diff options
119 files changed, 14558 insertions, 1208 deletions
diff --git a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml index 355df43badc5..cf8548556c7d 100644 --- a/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml +++ b/Documentation/DocBook/media/v4l/media-ioc-enum-links.xml @@ -134,6 +134,15 @@ <entry>Output pad, relative to the entity. Output pads source data and are origins of links.</entry> </row> + <row> + <entry><constant>MEDIA_PAD_FL_MUST_CONNECT</constant></entry> + <entry>If this flag is set and the pad is linked to any other + pad, then at least one of those links must be enabled for the + entity to be able to stream. There could be temporary reasons + (e.g. device configuration dependent) for the pad to need + enabled links even when this flag isn't set; the absence of the + flag doesn't imply there is none.</entry> + </row> </tbody> </tgroup> </table> diff --git a/Documentation/DocBook/media/v4l/subdev-formats.xml b/Documentation/DocBook/media/v4l/subdev-formats.xml index f72c1cc93a9b..bfaef5078eb8 100644 --- a/Documentation/DocBook/media/v4l/subdev-formats.xml +++ b/Documentation/DocBook/media/v4l/subdev-formats.xml @@ -2492,6 +2492,163 @@ </section> <section> + <title>HSV/HSL Formats</title> + + <para>Those formats transfer pixel data as RGB values in a cylindrical-coordinate + system using Hue-Saturation-Value or Hue-Saturation-Lightness components. The + format code is made of the following information. + <itemizedlist> + <listitem><para>The hue, saturation, value or lightness and optional alpha + components order code, as encoded in a pixel sample. The only currently + supported value is AHSV. + </para></listitem> + <listitem><para>The number of bits per component, for each component. The values + can be different for all components. The only currently supported value is 8888. + </para></listitem> + <listitem><para>The number of bus samples per pixel. Pixels that are wider than + the bus width must be transferred in multiple samples. The only currently + supported value is 1.</para></listitem> + <listitem><para>The bus width.</para></listitem> + <listitem><para>For formats where the total number of bits per pixel is smaller + than the number of bus samples per pixel times the bus width, a padding + value stating if the bytes are padded in their most high order bits + (PADHI) or low order bits (PADLO).</para></listitem> + <listitem><para>For formats where the number of bus samples per pixel is larger + than 1, an endianness value stating if the pixel is transferred MSB first + (BE) or LSB first (LE).</para></listitem> + </itemizedlist> + </para> + + <para>The following table lists existing HSV/HSL formats.</para> + + <table pgwide="0" frame="none" id="v4l2-mbus-pixelcode-hsv"> + <title>HSV/HSL formats</title> + <tgroup cols="27"> + <colspec colname="id" align="left" /> + <colspec colname="code" align="center"/> + <colspec colname="bit" /> + <colspec colnum="4" colname="b31" align="center" /> + <colspec colnum="5" colname="b20" align="center" /> + <colspec colnum="6" colname="b29" align="center" /> + <colspec colnum="7" colname="b28" align="center" /> + <colspec colnum="8" colname="b27" align="center" /> + <colspec colnum="9" colname="b26" align="center" /> + <colspec colnum="10" colname="b25" align="center" /> + <colspec colnum="11" colname="b24" align="center" /> + <colspec colnum="12" colname="b23" align="center" /> + <colspec colnum="13" colname="b22" align="center" /> + <colspec colnum="14" colname="b21" align="center" /> + <colspec colnum="15" colname="b20" align="center" /> + <colspec colnum="16" colname="b19" align="center" /> + <colspec colnum="17" colname="b18" align="center" /> + <colspec colnum="18" colname="b17" align="center" /> + <colspec colnum="19" colname="b16" align="center" /> + <colspec colnum="20" colname="b15" align="center" /> + <colspec colnum="21" colname="b14" align="center" /> + <colspec colnum="22" colname="b13" align="center" /> + <colspec colnum="23" colname="b12" align="center" /> + <colspec colnum="24" colname="b11" align="center" /> + <colspec colnum="25" colname="b10" align="center" /> + <colspec colnum="26" colname="b09" align="center" /> + <colspec colnum="27" colname="b08" align="center" /> + <colspec colnum="28" colname="b07" align="center" /> + <colspec colnum="29" colname="b06" align="center" /> + <colspec colnum="30" colname="b05" align="center" /> + <colspec colnum="31" colname="b04" align="center" /> + <colspec colnum="32" colname="b03" align="center" /> + <colspec colnum="33" colname="b02" align="center" /> + <colspec colnum="34" colname="b01" align="center" /> + <colspec colnum="35" colname="b00" align="center" /> + <spanspec namest="b31" nameend="b00" spanname="b0" /> + <thead> + <row> + <entry>Identifier</entry> + <entry>Code</entry> + <entry></entry> + <entry spanname="b0">Data organization</entry> + </row> + <row> + <entry></entry> + <entry></entry> + <entry>Bit</entry> + <entry>31</entry> + <entry>30</entry> + <entry>29</entry> + <entry>28</entry> + <entry>27</entry> + <entry>26</entry> + <entry>25</entry> + <entry>24</entry> + <entry>23</entry> + <entry>22</entry> + <entry>21</entry> + <entry>20</entry> + <entry>19</entry> + <entry>18</entry> + <entry>17</entry> + <entry>16</entry> + <entry>15</entry> + <entry>14</entry> + <entry>13</entry> + <entry>12</entry> + <entry>11</entry> + <entry>10</entry> + <entry>9</entry> + <entry>8</entry> + <entry>7</entry> + <entry>6</entry> + <entry>5</entry> + <entry>4</entry> + <entry>3</entry> + <entry>2</entry> + <entry>1</entry> + <entry>0</entry> + </row> + </thead> + <tbody valign="top"> + <row id="V4L2-MBUS-FMT-AHSV8888-1X32"> + <entry>V4L2_MBUS_FMT_AHSV8888_1X32</entry> + <entry>0x6001</entry> + <entry></entry> + <entry>a<subscript>7</subscript></entry> + <entry>a<subscript>6</subscript></entry> + <entry>a<subscript>5</subscript></entry> + <entry>a<subscript>4</subscript></entry> + <entry>a<subscript>3</subscript></entry> + <entry>a<subscript>2</subscript></entry> + <entry>a<subscript>1</subscript></entry> + <entry>a<subscript>0</subscript></entry> + <entry>h<subscript>7</subscript></entry> + <entry>h<subscript>6</subscript></entry> + <entry>h<subscript>5</subscript></entry> + <entry>h<subscript>4</subscript></entry> + <entry>h<subscript>3</subscript></entry> + <entry>h<subscript>2</subscript></entry> + <entry>h<subscript>1</subscript></entry> + <entry>h<subscript>0</subscript></entry> + <entry>s<subscript>7</subscript></entry> + <entry>s<subscript>6</subscript></entry> + <entry>s<subscript>5</subscript></entry> + <entry>s<subscript>4</subscript></entry> + <entry>s<subscript>3</subscript></entry> + <entry>s<subscript>2</subscript></entry> + <entry>s<subscript>1</subscript></entry> + <entry>s<subscript>0</subscript></entry> + <entry>v<subscript>7</subscript></entry> + <entry>v<subscript>6</subscript></entry> + <entry>v<subscript>5</subscript></entry> + <entry>v<subscript>4</subscript></entry> + <entry>v<subscript>3</subscript></entry> + <entry>v<subscript>2</subscript></entry> + <entry>v<subscript>1</subscript></entry> + <entry>v<subscript>0</subscript></entry> + </row> + </tbody> + </tgroup> + </table> + </section> + + <section> <title>JPEG Compressed Formats</title> <para>Those data formats consist of an ordered sequence of 8-bit bytes diff --git a/Documentation/cgroups/resource_counter.txt b/Documentation/cgroups/resource_counter.txt index c4d99ed0b418..caa6d662b230 100644 --- a/Documentation/cgroups/resource_counter.txt +++ b/Documentation/cgroups/resource_counter.txt @@ -95,7 +95,7 @@ to work with it. f. u64 res_counter_uncharge_until (struct res_counter *rc, struct res_counter *top, - unsinged long val) + unsigned long val) Almost same as res_cunter_uncharge() but propagation of uncharge stops when rc == top. This is useful when kill a res_coutner in diff --git a/Documentation/video4linux/omap4_camera.txt b/Documentation/video4linux/omap4_camera.txt new file mode 100644 index 000000000000..25d9b40a4651 --- /dev/null +++ b/Documentation/video4linux/omap4_camera.txt @@ -0,0 +1,60 @@ + OMAP4 ISS Driver + ================ + +Introduction +------------ + +The OMAP44XX family of chips contains the Imaging SubSystem (a.k.a. ISS), +Which contains several components that can be categorized in 3 big groups: + +- Interfaces (2 Interfaces: CSI2-A & CSI2-B/CCP2) +- ISP (Image Signal Processor) +- SIMCOP (Still Image Coprocessor) + +For more information, please look in [1] for latest version of: + "OMAP4430 Multimedia Device Silicon Revision 2.x" + +As of Revision AB, the ISS is described in detail in section 8. + +This driver is supporting _only_ the CSI2-A/B interfaces for now. + +It makes use of the Media Controller framework [2], and inherited most of the +code from OMAP3 ISP driver (found under drivers/media/platform/omap3isp/*), +except that it doesn't need an IOMMU now for ISS buffers memory mapping. + +Supports usage of MMAP buffers only (for now). + +Tested platforms +---------------- + +- OMAP4430SDP, w/ ES2.1 GP & SEVM4430-CAM-V1-0 (Contains IMX060 & OV5640, in + which only the last one is supported, outputting YUV422 frames). + +- TI Blaze MDP, w/ OMAP4430 ES2.2 EMU (Contains 1 IMX060 & 2 OV5650 sensors, in + which only the OV5650 are supported, outputting RAW10 frames). + +- PandaBoard, Rev. A2, w/ OMAP4430 ES2.1 GP & OV adapter board, tested with + following sensors: + * OV5640 + * OV5650 + +- Tested on mainline kernel: + + http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=summary + + Tag: v3.3 (commit c16fa4f2ad19908a47c63d8fa436a1178438c7e7) + +File list +--------- +drivers/staging/media/omap4iss/ +include/media/omap4iss.h + +References +---------- + +[1] http://focus.ti.com/general/docs/wtbu/wtbudocumentcenter.tsp?navigationId=12037&templateId=6123#62 +[2] http://lwn.net/Articles/420485/ +[3] http://www.spinics.net/lists/linux-media/msg44370.html +-- +Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> +Copyright (C) 2012, Texas Instruments diff --git a/Documentation/video4linux/si476x.txt b/Documentation/video4linux/si476x.txt index 2f9b4875ab8a..616607955aaf 100644 --- a/Documentation/video4linux/si476x.txt +++ b/Documentation/video4linux/si476x.txt @@ -147,7 +147,7 @@ The drivers exposes following files: -------------------------------------------------------------------- 0x12 | readfreq | Current tuned frequency -------------------------------------------------------------------- - 0x14 | freqoff | Singed frequency offset in units of + 0x14 | freqoff | Signed frequency offset in units of | | 2ppm -------------------------------------------------------------------- 0x15 | rssi | Signed value of RSSI in dBuV diff --git a/arch/score/lib/checksum.S b/arch/score/lib/checksum.S index 706157edc7d5..1141f2b4a501 100644 --- a/arch/score/lib/checksum.S +++ b/arch/score/lib/checksum.S @@ -137,7 +137,7 @@ ENTRY(csum_partial) ldi r25, 0 mv r10, r5 cmpi.c r5, 0x8 - blt small_csumcpy /* < 8(singed) bytes to copy */ + blt small_csumcpy /* < 8(signed) bytes to copy */ cmpi.c r5, 0x0 beq out andri.c r25, src, 0x1 /* odd buffer? */ diff --git a/drivers/media/dvb-core/dvb-usb-ids.h b/drivers/media/dvb-core/dvb-usb-ids.h index 419a2d6b4349..4a5345476c21 100644 --- a/drivers/media/dvb-core/dvb-usb-ids.h +++ b/drivers/media/dvb-core/dvb-usb-ids.h @@ -365,6 +365,7 @@ #define USB_PID_TERRATEC_DVBS2CI_V2 0x10ac #define USB_PID_TECHNISAT_USB2_HDCI_V1 0x0001 #define USB_PID_TECHNISAT_USB2_HDCI_V2 0x0002 +#define USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI 0x0003 #define USB_PID_TECHNISAT_AIRSTAR_TELESTICK_2 0x0004 #define USB_PID_TECHNISAT_USB2_DVB_S2 0x0500 #define USB_PID_CPYTO_REDI_PC50A 0xa803 diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c index 476b422ccf19..68f768a5422d 100644 --- a/drivers/media/dvb-frontends/cx24117.c +++ b/drivers/media/dvb-frontends/cx24117.c @@ -135,15 +135,33 @@ enum cmds { - CMD_SET_VCO = 0x10, - CMD_TUNEREQUEST = 0x11, - CMD_MPEGCONFIG = 0x13, - CMD_TUNERINIT = 0x14, - CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ - CMD_LNBDCLEVEL = 0x22, - CMD_SET_TONE = 0x23, - CMD_UPDFWVERS = 0x35, - CMD_TUNERSLEEP = 0x36, + CMD_SET_VCOFREQ = 0x10, + CMD_TUNEREQUEST = 0x11, + CMD_GLOBAL_MPEGCFG = 0x13, + CMD_MPEGCFG = 0x14, + CMD_TUNERINIT = 0x15, + CMD_GET_SRATE = 0x18, + CMD_SET_GOLDCODE = 0x19, + CMD_GET_AGCACC = 0x1a, + CMD_DEMODINIT = 0x1b, + CMD_GETCTLACC = 0x1c, + + CMD_LNBCONFIG = 0x20, + CMD_LNBSEND = 0x21, + CMD_LNBDCLEVEL = 0x22, + CMD_LNBPCBCONFIG = 0x23, + CMD_LNBSENDTONEBST = 0x24, + CMD_LNBUPDREPLY = 0x25, + + CMD_SET_GPIOMODE = 0x30, + CMD_SET_GPIOEN = 0x31, + CMD_SET_GPIODIR = 0x32, + CMD_SET_GPIOOUT = 0x33, + CMD_ENABLERSCORR = 0x34, + CMD_FWVERSION = 0x35, + CMD_SET_SLEEPMODE = 0x36, + CMD_BERCTRL = 0x3c, + CMD_EVENTCTRL = 0x3d, }; static LIST_HEAD(hybrid_tuner_instance_list); @@ -619,8 +637,8 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, cx24117_writereg(state, 0xf7, 0x0c); cx24117_writereg(state, 0xe0, 0x00); - /* CMD 1B */ - cmd.args[0] = 0x1b; + /* Init demodulator */ + cmd.args[0] = CMD_DEMODINIT; cmd.args[1] = 0x00; cmd.args[2] = 0x01; cmd.args[3] = 0x00; @@ -629,8 +647,8 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, if (ret != 0) goto error; - /* CMD 10 */ - cmd.args[0] = CMD_SET_VCO; + /* Set VCO frequency */ + cmd.args[0] = CMD_SET_VCOFREQ; cmd.args[1] = 0x06; cmd.args[2] = 0x2b; cmd.args[3] = 0xd8; @@ -648,8 +666,8 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, if (ret != 0) goto error; - /* CMD 15 */ - cmd.args[0] = 0x15; + /* Tuner init */ + cmd.args[0] = CMD_TUNERINIT; cmd.args[1] = 0x00; cmd.args[2] = 0x01; cmd.args[3] = 0x00; @@ -667,8 +685,8 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, if (ret != 0) goto error; - /* CMD 13 */ - cmd.args[0] = CMD_MPEGCONFIG; + /* Global MPEG config */ + cmd.args[0] = CMD_GLOBAL_MPEGCFG; cmd.args[1] = 0x00; cmd.args[2] = 0x00; cmd.args[3] = 0x00; @@ -679,9 +697,9 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, if (ret != 0) goto error; - /* CMD 14 */ + /* MPEG config for each demod */ for (i = 0; i < 2; i++) { - cmd.args[0] = CMD_TUNERINIT; + cmd.args[0] = CMD_MPEGCFG; cmd.args[1] = (u8) i; cmd.args[2] = 0x00; cmd.args[3] = 0x05; @@ -699,8 +717,8 @@ static int cx24117_load_firmware(struct dvb_frontend *fe, cx24117_writereg(state, 0xcf, 0x00); cx24117_writereg(state, 0xe5, 0x04); - /* Firmware CMD 35: Get firmware version */ - cmd.args[0] = CMD_UPDFWVERS; + /* Get firmware version */ + cmd.args[0] = CMD_FWVERSION; cmd.len = 2; for (i = 0; i < 4; i++) { cmd.args[1] = i; @@ -779,8 +797,8 @@ static int cx24117_read_signal_strength(struct dvb_frontend *fe, u8 reg = (state->demod == 0) ? CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1; - /* Firmware CMD 1A */ - cmd.args[0] = 0x1a; + /* Read AGC accumulator register */ + cmd.args[0] = CMD_GET_AGCACC; cmd.args[1] = (u8) state->demod; cmd.len = 2; ret = cx24117_cmd_execute(fe, &cmd); @@ -899,22 +917,15 @@ static int cx24117_set_voltage(struct dvb_frontend *fe, voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "SEC_VOLTAGE_OFF"); - /* CMD 32 */ - cmd.args[0] = 0x32; - cmd.args[1] = reg; - cmd.args[2] = reg; + /* Prepare a set GPIO logic level CMD */ + cmd.args[0] = CMD_SET_GPIOOUT; + cmd.args[2] = reg; /* mask */ cmd.len = 3; - ret = cx24117_cmd_execute(fe, &cmd); - if (ret) - return ret; if ((voltage == SEC_VOLTAGE_13) || (voltage == SEC_VOLTAGE_18)) { - /* CMD 33 */ - cmd.args[0] = 0x33; + /* power on LNB */ cmd.args[1] = reg; - cmd.args[2] = reg; - cmd.len = 3; ret = cx24117_cmd_execute(fe, &cmd); if (ret != 0) return ret; @@ -926,22 +937,22 @@ static int cx24117_set_voltage(struct dvb_frontend *fe, /* Wait for voltage/min repeat delay */ msleep(100); - /* CMD 22 - CMD_LNBDCLEVEL */ + /* Set 13V/18V select pin */ cmd.args[0] = CMD_LNBDCLEVEL; cmd.args[1] = state->demod ? 0 : 1; cmd.args[2] = (voltage == SEC_VOLTAGE_18 ? 0x01 : 0x00); cmd.len = 3; + ret = cx24117_cmd_execute(fe, &cmd); /* Min delay time before DiSEqC send */ msleep(20); } else { - cmd.args[0] = 0x33; + /* power off LNB */ cmd.args[1] = 0x00; - cmd.args[2] = reg; - cmd.len = 3; + ret = cx24117_cmd_execute(fe, &cmd); } - return cx24117_cmd_execute(fe, &cmd); + return ret; } static int cx24117_set_tone(struct dvb_frontend *fe, @@ -968,8 +979,7 @@ static int cx24117_set_tone(struct dvb_frontend *fe, msleep(20); /* Set the tone */ - /* CMD 23 - CMD_SET_TONE */ - cmd.args[0] = CMD_SET_TONE; + cmd.args[0] = CMD_LNBPCBCONFIG; cmd.args[1] = (state->demod ? 0 : 1); cmd.args[2] = 0x00; cmd.args[3] = 0x00; @@ -1231,8 +1241,8 @@ static int cx24117_initfe(struct dvb_frontend *fe) mutex_lock(&state->priv->fe_lock); - /* Firmware CMD 36: Power config */ - cmd.args[0] = CMD_TUNERSLEEP; + /* Set sleep mode off */ + cmd.args[0] = CMD_SET_SLEEPMODE; cmd.args[1] = (state->demod ? 1 : 0); cmd.args[2] = 0; cmd.len = 3; @@ -1244,8 +1254,8 @@ static int cx24117_initfe(struct dvb_frontend *fe) if (ret != 0) goto exit; - /* CMD 3C */ - cmd.args[0] = 0x3c; + /* Set BER control */ + cmd.args[0] = CMD_BERCTRL; cmd.args[1] = (state->demod ? 1 : 0); cmd.args[2] = 0x10; cmd.args[3] = 0x10; @@ -1254,12 +1264,22 @@ static int cx24117_initfe(struct dvb_frontend *fe) if (ret != 0) goto exit; - /* CMD 34 */ - cmd.args[0] = 0x34; + /* Set RS correction (enable/disable) */ + cmd.args[0] = CMD_ENABLERSCORR; cmd.args[1] = (state->demod ? 1 : 0); cmd.args[2] = CX24117_OCC; cmd.len = 3; ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto exit; + + /* Set GPIO direction */ + /* Set as output - controls LNB power on/off */ + cmd.args[0] = CMD_SET_GPIODIR; + cmd.args[1] = 0x30; + cmd.args[2] = 0x30; + cmd.len = 3; + ret = cx24117_cmd_execute_nolock(fe, &cmd); exit: mutex_unlock(&state->priv->fe_lock); @@ -1278,8 +1298,8 @@ static int cx24117_sleep(struct dvb_frontend *fe) dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", __func__, state->demod); - /* Firmware CMD 36: Power config */ - cmd.args[0] = CMD_TUNERSLEEP; + /* Set sleep mode on */ + cmd.args[0] = CMD_SET_SLEEPMODE; cmd.args[1] = (state->demod ? 1 : 0); cmd.args[2] = 1; cmd.len = 3; @@ -1558,7 +1578,8 @@ static int cx24117_get_frontend(struct dvb_frontend *fe) u8 buf[0x1f-4]; - cmd.args[0] = 0x1c; + /* Read current tune parameters */ + cmd.args[0] = CMD_GETCTLACC; cmd.args[1] = (u8) state->demod; cmd.len = 2; ret = cx24117_cmd_execute(fe, &cmd); diff --git a/drivers/media/i2c/lm3560.c b/drivers/media/i2c/lm3560.c index 3317a9ae3961..d98ca3aebe23 100644 --- a/drivers/media/i2c/lm3560.c +++ b/drivers/media/i2c/lm3560.c @@ -172,28 +172,28 @@ static int lm3560_flash_brt_ctrl(struct lm3560_flash *flash, static int lm3560_get_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) { struct lm3560_flash *flash = to_lm3560_flash(ctrl, led_no); + int rval = -EINVAL; mutex_lock(&flash->lock); if (ctrl->id == V4L2_CID_FLASH_FAULT) { - int rval; s32 fault = 0; unsigned int reg_val; rval = regmap_read(flash->regmap, REG_FLAG, ®_val); if (rval < 0) - return rval; - if (rval & FAULT_SHORT_CIRCUIT) + goto out; + if (reg_val & FAULT_SHORT_CIRCUIT) fault |= V4L2_FLASH_FAULT_SHORT_CIRCUIT; - if (rval & FAULT_OVERTEMP) + if (reg_val & FAULT_OVERTEMP) fault |= V4L2_FLASH_FAULT_OVER_TEMPERATURE; - if (rval & FAULT_TIMEOUT) + if (reg_val & FAULT_TIMEOUT) fault |= V4L2_FLASH_FAULT_TIMEOUT; ctrl->cur.val = fault; - return 0; } +out: mutex_unlock(&flash->lock); - return -EINVAL; + return rval; } static int lm3560_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) @@ -219,15 +219,19 @@ static int lm3560_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) break; case V4L2_CID_FLASH_STROBE: - if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) - return -EBUSY; + if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) { + rval = -EBUSY; + goto err_out; + } flash->led_mode = V4L2_FLASH_LED_MODE_FLASH; rval = lm3560_mode_ctrl(flash); break; case V4L2_CID_FLASH_STROBE_STOP: - if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) - return -EBUSY; + if (flash->led_mode != V4L2_FLASH_LED_MODE_FLASH) { + rval = -EBUSY; + goto err_out; + } flash->led_mode = V4L2_FLASH_LED_MODE_NONE; rval = lm3560_mode_ctrl(flash); break; @@ -247,8 +251,8 @@ static int lm3560_set_ctrl(struct v4l2_ctrl *ctrl, enum lm3560_led_id led_no) break; } - mutex_unlock(&flash->lock); err_out: + mutex_unlock(&flash->lock); return rval; } @@ -444,14 +448,14 @@ static int lm3560_probe(struct i2c_client *client, if (rval < 0) return rval; + i2c_set_clientdata(client, flash); + return 0; } static int lm3560_remove(struct i2c_client *client) { - struct v4l2_subdev *subdev = i2c_get_clientdata(client); - struct lm3560_flash *flash = container_of(subdev, struct lm3560_flash, - subdev_led[LM3560_LED_MAX]); + struct lm3560_flash *flash = i2c_get_clientdata(client); unsigned int i; for (i = LM3560_LED0; i < LM3560_LED_MAX; i++) { diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c index 2c50effaa334..0d2b4a8cf911 100644 --- a/drivers/media/i2c/mt9v032.c +++ b/drivers/media/i2c/mt9v032.c @@ -27,14 +27,16 @@ #include <media/v4l2-device.h> #include <media/v4l2-subdev.h> -#define MT9V032_PIXEL_ARRAY_HEIGHT 492 -#define MT9V032_PIXEL_ARRAY_WIDTH 782 +/* The first four rows are black rows. The active area spans 753x481 pixels. */ +#define MT9V032_PIXEL_ARRAY_HEIGHT 485 +#define MT9V032_PIXEL_ARRAY_WIDTH 753 #define MT9V032_SYSCLK_FREQ_DEF 26600000 #define MT9V032_CHIP_VERSION 0x00 #define MT9V032_CHIP_ID_REV1 0x1311 #define MT9V032_CHIP_ID_REV3 0x1313 +#define MT9V034_CHIP_ID_REV1 0X1324 #define MT9V032_COLUMN_START 0x01 #define MT9V032_COLUMN_START_MIN 1 #define MT9V032_COLUMN_START_DEF 1 @@ -53,12 +55,15 @@ #define MT9V032_WINDOW_WIDTH_MAX 752 #define MT9V032_HORIZONTAL_BLANKING 0x05 #define MT9V032_HORIZONTAL_BLANKING_MIN 43 +#define MT9V034_HORIZONTAL_BLANKING_MIN 61 #define MT9V032_HORIZONTAL_BLANKING_DEF 94 #define MT9V032_HORIZONTAL_BLANKING_MAX 1023 #define MT9V032_VERTICAL_BLANKING 0x06 #define MT9V032_VERTICAL_BLANKING_MIN 4 +#define MT9V034_VERTICAL_BLANKING_MIN 2 #define MT9V032_VERTICAL_BLANKING_DEF 45 #define MT9V032_VERTICAL_BLANKING_MAX 3000 +#define MT9V034_VERTICAL_BLANKING_MAX 32288 #define MT9V032_CHIP_CONTROL 0x07 #define MT9V032_CHIP_CONTROL_MASTER_MODE (1 << 3) #define MT9V032_CHIP_CONTROL_DOUT_ENABLE (1 << 7) @@ -68,8 +73,10 @@ #define MT9V032_SHUTTER_WIDTH_CONTROL 0x0a #define MT9V032_TOTAL_SHUTTER_WIDTH 0x0b #define MT9V032_TOTAL_SHUTTER_WIDTH_MIN 1 +#define MT9V034_TOTAL_SHUTTER_WIDTH_MIN 0 #define MT9V032_TOTAL_SHUTTER_WIDTH_DEF 480 #define MT9V032_TOTAL_SHUTTER_WIDTH_MAX 32767 +#define MT9V034_TOTAL_SHUTTER_WIDTH_MAX 32765 #define MT9V032_RESET 0x0c #define MT9V032_READ_MODE 0x0d #define MT9V032_READ_MODE_ROW_BIN_MASK (3 << 0) @@ -81,6 +88,8 @@ #define MT9V032_READ_MODE_DARK_COLUMNS (1 << 6) #define MT9V032_READ_MODE_DARK_ROWS (1 << 7) #define MT9V032_PIXEL_OPERATION_MODE 0x0f +#define MT9V034_PIXEL_OPERATION_MODE_HDR (1 << 0) +#define MT9V034_PIXEL_OPERATION_MODE_COLOR (1 << 1) #define MT9V032_PIXEL_OPERATION_MODE_COLOR (1 << 2) #define MT9V032_PIXEL_OPERATION_MODE_HDR (1 << 6) #define MT9V032_ANALOG_GAIN 0x35 @@ -96,9 +105,12 @@ #define MT9V032_DARK_AVG_HIGH_THRESH_MASK (255 << 8) #define MT9V032_DARK_AVG_HIGH_THRESH_SHIFT 8 #define MT9V032_ROW_NOISE_CORR_CONTROL 0x70 +#define MT9V034_ROW_NOISE_CORR_ENABLE (1 << 0) +#define MT9V034_ROW_NOISE_CORR_USE_BLK_AVG (1 << 1) #define MT9V032_ROW_NOISE_CORR_ENABLE (1 << 5) #define MT9V032_ROW_NOISE_CORR_USE_BLK_AVG (1 << 7) #define MT9V032_PIXEL_CLOCK 0x74 +#define MT9V034_PIXEL_CLOCK 0x72 #define MT9V032_PIXEL_CLOCK_INV_LINE (1 << 0) #define MT9V032_PIXEL_CLOCK_INV_FRAME (1 << 1) #define MT9V032_PIXEL_CLOCK_XOR_LINE (1 << 2) @@ -120,12 +132,88 @@ #define MT9V032_AGC_ENABLE (1 << 1) #define MT9V032_THERMAL_INFO 0xc1 +enum mt9v032_model { + MT9V032_MODEL_V032_COLOR, + MT9V032_MODEL_V032_MONO, + MT9V032_MODEL_V034_COLOR, + MT9V032_MODEL_V034_MONO, +}; + +struct mt9v032_model_version { + unsigned int version; + const char *name; +}; + +struct mt9v032_model_data { + unsigned int min_row_time; + unsigned int min_hblank; + unsigned int min_vblank; + unsigned int max_vblank; + unsigned int min_shutter; + unsigned int max_shutter; + unsigned int pclk_reg; +}; + +struct mt9v032_model_info { + const struct mt9v032_model_data *data; + bool color; +}; + +static const struct mt9v032_model_version mt9v032_versions[] = { + { MT9V032_CHIP_ID_REV1, "MT9V032 rev1/2" }, + { MT9V032_CHIP_ID_REV3, "MT9V032 rev3" }, + { MT9V034_CHIP_ID_REV1, "MT9V034 rev1" }, +}; + +static const struct mt9v032_model_data mt9v032_model_data[] = { + { + /* MT9V032 revisions 1/2/3 */ + .min_row_time = 660, + .min_hblank = MT9V032_HORIZONTAL_BLANKING_MIN, + .min_vblank = MT9V032_VERTICAL_BLANKING_MIN, + .max_vblank = MT9V032_VERTICAL_BLANKING_MAX, + .min_shutter = MT9V032_TOTAL_SHUTTER_WIDTH_MIN, + .max_shutter = MT9V032_TOTAL_SHUTTER_WIDTH_MAX, + .pclk_reg = MT9V032_PIXEL_CLOCK, + }, { + /* MT9V034 */ + .min_row_time = 690, + .min_hblank = MT9V034_HORIZONTAL_BLANKING_MIN, + .min_vblank = MT9V034_VERTICAL_BLANKING_MIN, + .max_vblank = MT9V034_VERTICAL_BLANKING_MAX, + .min_shutter = MT9V034_TOTAL_SHUTTER_WIDTH_MIN, + .max_shutter = MT9V034_TOTAL_SHUTTER_WIDTH_MAX, + .pclk_reg = MT9V034_PIXEL_CLOCK, + }, +}; + +static const struct mt9v032_model_info mt9v032_models[] = { + [MT9V032_MODEL_V032_COLOR] = { + .data = &mt9v032_model_data[0], + .color = true, + }, + [MT9V032_MODEL_V032_MONO] = { + .data = &mt9v032_model_data[0], + .color = false, + }, + [MT9V032_MODEL_V034_COLOR] = { + .data = &mt9v032_model_data[1], + .color = true, + }, + [MT9V032_MODEL_V034_MONO] = { + .data = &mt9v032_model_data[1], + .color = false, + }, +}; + struct mt9v032 { struct v4l2_subdev subdev; struct media_pad pad; struct v4l2_mbus_framefmt format; struct v4l2_rect crop; + unsigned int hratio; + unsigned int vratio; struct v4l2_ctrl_handler ctrls; struct { @@ -139,6 +227,8 @@ struct mt9v032 { struct clk *clk; struct mt9v032_platform_data *pdata; + const struct mt9v032_model_info *model; + const struct mt9v032_model_version *version; u32 sysclk; u16 chip_control; @@ -210,12 +300,17 @@ mt9v032_update_hblank(struct mt9v032 *mt9v032) { struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); struct v4l2_rect *crop = &mt9v032->crop; + unsigned int min_hblank = mt9v032->model->data->min_hblank; + unsigned int hblank; - return mt9v032_write(client, MT9V032_HORIZONTAL_BLANKING, - max_t(s32, mt9v032->hblank, 660 - crop->width)); -} + if (mt9v032->version->version == MT9V034_CHIP_ID_REV1) + min_hblank += (mt9v032->hratio - 1) * 10; + min_hblank = max((int)mt9v032->model->data->min_row_time - crop->width, + (int)min_hblank); + hblank = max_t(unsigned int, mt9v032->hblank, min_hblank); -#define EXT_CLK 25000000 + return mt9v032_write(client, MT9V032_HORIZONTAL_BLANKING, hblank); +} static int mt9v032_power_on(struct mt9v032 *mt9v032) { @@ -259,7 +354,7 @@ static int __mt9v032_set_power(struct mt9v032 *mt9v032, bool on) /* Configure the pixel clock polarity */ if (mt9v032->pdata && mt9v032->pdata->clk_pol) { - ret = mt9v032_write(client, MT9V032_PIXEL_CLOCK, + ret = mt9v032_write(client, mt9v032->model->data->pclk_reg, MT9V032_PIXEL_CLOCK_INV_PXL_CLK); if (ret < 0) return ret; @@ -312,22 +407,20 @@ static int mt9v032_s_stream(struct v4l2_subdev *subdev, int enable) | MT9V032_CHIP_CONTROL_SEQUENTIAL; struct i2c_client *client = v4l2_get_subdevdata(subdev); struct mt9v032 *mt9v032 = to_mt9v032(subdev); - struct v4l2_mbus_framefmt *format = &mt9v032->format; struct v4l2_rect *crop = &mt9v032->crop; - unsigned int hratio; - unsigned int vratio; + unsigned int hbin; + unsigned int vbin; int ret; if (!enable) return mt9v032_set_chip_control(mt9v032, mode, 0); /* Configure the window size and row/column bin */ - hratio = DIV_ROUND_CLOSEST(crop->width, format->width); - vratio = DIV_ROUND_CLOSEST(crop->height, format->height); - + hbin = fls(mt9v032->hratio) - 1; + vbin = fls(mt9v032->vratio) - 1; ret = mt9v032_write(client, MT9V032_READ_MODE, - (hratio - 1) << MT9V032_READ_MODE_ROW_BIN_SHIFT | - (vratio - 1) << MT9V032_READ_MODE_COLUMN_BIN_SHIFT); + hbin << MT9V032_READ_MODE_COLUMN_BIN_SHIFT | + vbin << MT9V032_READ_MODE_ROW_BIN_SHIFT); if (ret < 0) return ret; @@ -370,12 +463,12 @@ static int mt9v032_enum_frame_size(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_frame_size_enum *fse) { - if (fse->index >= 8 || fse->code != V4L2_MBUS_FMT_SGRBG10_1X10) + if (fse->index >= 3 || fse->code != V4L2_MBUS_FMT_SGRBG10_1X10) return -EINVAL; - fse->min_width = MT9V032_WINDOW_WIDTH_DEF / fse->index; + fse->min_width = MT9V032_WINDOW_WIDTH_DEF / (1 << fse->index); fse->max_width = fse->min_width; - fse->min_height = MT9V032_WINDOW_HEIGHT_DEF / fse->index; + fse->min_height = MT9V032_WINDOW_HEIGHT_DEF / (1 << fse->index); fse->max_height = fse->min_height; return 0; @@ -392,18 +485,30 @@ static int mt9v032_get_format(struct v4l2_subdev *subdev, return 0; } -static void mt9v032_configure_pixel_rate(struct mt9v032 *mt9v032, - unsigned int hratio) +static void mt9v032_configure_pixel_rate(struct mt9v032 *mt9v032) { struct i2c_client *client = v4l2_get_subdevdata(&mt9v032->subdev); int ret; ret = v4l2_ctrl_s_ctrl_int64(mt9v032->pixel_rate, - mt9v032->sysclk / hratio); + mt9v032->sysclk / mt9v032->hratio); if (ret < 0) dev_warn(&client->dev, "failed to set pixel rate (%d)\n", ret); } +static unsigned int mt9v032_calc_ratio(unsigned int input, unsigned int output) +{ + /* Compute the power-of-two binning factor closest to the input size to + * output size ratio. Given that the output size is bounded by input/4 + * and input, a generic implementation would be an ineffective luxury. + */ + if (output * 3 > input * 2) + return 1; + if (output * 3 > input) + return 2; + return 4; +} + static int mt9v032_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *format) @@ -421,21 +526,25 @@ static int mt9v032_set_format(struct v4l2_subdev *subdev, /* Clamp the width and height to avoid dividing by zero. */ width = clamp_t(unsigned int, ALIGN(format->format.width, 2), - max(__crop->width / 8, MT9V032_WINDOW_WIDTH_MIN), + max(__crop->width / 4, MT9V032_WINDOW_WIDTH_MIN), __crop->width); height = clamp_t(unsigned int, ALIGN(format->format.height, 2), - max(__crop->height / 8, MT9V032_WINDOW_HEIGHT_MIN), + max(__crop->height / 4, MT9V032_WINDOW_HEIGHT_MIN), __crop->height); - hratio = DIV_ROUND_CLOSEST(__crop->width, width); - vratio = DIV_ROUND_CLOSEST(__crop->height, height); + hratio = mt9v032_calc_ratio(__crop->width, width); + vratio = mt9v032_calc_ratio(__crop->height, height); __format = __mt9v032_get_pad_format(mt9v032, fh, format->pad, format->which); __format->width = __crop->width / hratio; __format->height = __crop->height / vratio; - if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) - mt9v032_configure_pixel_rate(mt9v032, hratio); + + if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) { + mt9v032->hratio = hratio; + mt9v032->vratio = vratio; + mt9v032_configure_pixel_rate(mt9v032); + } format->format = *__format; @@ -491,8 +600,11 @@ static int mt9v032_set_crop(struct v4l2_subdev *subdev, crop->which); __format->width = rect.width; __format->height = rect.height; - if (crop->which == V4L2_SUBDEV_FORMAT_ACTIVE) - mt9v032_configure_pixel_rate(mt9v032, 1); + if (crop->which == V4L2_SUBDEV_FORMAT_ACTIVE) { + mt9v032->hratio = 1; + mt9v032->vratio = 1; + mt9v032_configure_pixel_rate(mt9v032); + } } *__crop = rect; @@ -641,7 +753,8 @@ static int mt9v032_registered(struct v4l2_subdev *subdev) { struct i2c_client *client = v4l2_get_subdevdata(subdev); struct mt9v032 *mt9v032 = to_mt9v032(subdev); - s32 data; + unsigned int i; + s32 version; int ret; dev_info(&client->dev, "Probing MT9V032 at address 0x%02x\n", @@ -654,25 +767,38 @@ static int mt9v032_registered(struct v4l2_subdev *subdev) } /* Read and check the sensor version */ - data = mt9v032_read(client, MT9V032_CHIP_VERSION); - if (data != MT9V032_CHIP_ID_REV1 && data != MT9V032_CHIP_ID_REV3) { - dev_err(&client->dev, "MT9V032 not detected, wrong version " - "0x%04x\n", data); + version = mt9v032_read(client, MT9V032_CHIP_VERSION); + if (version < 0) { + dev_err(&client->dev, "Failed reading chip version\n"); + return version; + } + + for (i = 0; i < ARRAY_SIZE(mt9v032_versions); ++i) { + if (mt9v032_versions[i].version == version) { + mt9v032->version = &mt9v032_versions[i]; + break; + } + } + + if (mt9v032->version == NULL) { + dev_err(&client->dev, "Unsupported chip version 0x%04x\n", + version); return -ENODEV; } mt9v032_power_off(mt9v032); - dev_info(&client->dev, "MT9V032 detected at address 0x%02x\n", - client->addr); + dev_info(&client->dev, "%s detected at address 0x%02x\n", + mt9v032->version->name, client->addr); - mt9v032_configure_pixel_rate(mt9v032, 1); + mt9v032_configure_pixel_rate(mt9v032); return ret; } static int mt9v032_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) { + struct mt9v032 *mt9v032 = to_mt9v032(subdev); struct v4l2_mbus_framefmt *format; struct v4l2_rect *crop; @@ -683,7 +809,12 @@ static int mt9v032_open(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh) crop->height = MT9V032_WINDOW_HEIGHT_DEF; format = v4l2_subdev_get_try_format(fh, 0); - format->code = V4L2_MBUS_FMT_SGRBG10_1X10; + + if (mt9v032->model->color) + format->code = V4L2_MBUS_FMT_SGRBG10_1X10; + else + format->code = V4L2_MBUS_FMT_Y10_1X10; + format->width = MT9V032_WINDOW_WIDTH_DEF; format->height = MT9V032_WINDOW_HEIGHT_DEF; format->field = V4L2_FIELD_NONE; @@ -755,6 +886,7 @@ static int mt9v032_probe(struct i2c_client *client, mutex_init(&mt9v032->power_lock); mt9v032->pdata = pdata; + mt9v032->model = (const void *)did->driver_data; v4l2_ctrl_handler_init(&mt9v032->ctrls, 10); @@ -767,16 +899,16 @@ static int mt9v032_probe(struct i2c_client *client, V4L2_CID_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL, 0, V4L2_EXPOSURE_AUTO); v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, - V4L2_CID_EXPOSURE, MT9V032_TOTAL_SHUTTER_WIDTH_MIN, - MT9V032_TOTAL_SHUTTER_WIDTH_MAX, 1, + V4L2_CID_EXPOSURE, mt9v032->model->data->min_shutter, + mt9v032->model->data->max_shutter, 1, MT9V032_TOTAL_SHUTTER_WIDTH_DEF); v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, - V4L2_CID_HBLANK, MT9V032_HORIZONTAL_BLANKING_MIN, + V4L2_CID_HBLANK, mt9v032->model->data->min_hblank, MT9V032_HORIZONTAL_BLANKING_MAX, 1, MT9V032_HORIZONTAL_BLANKING_DEF); v4l2_ctrl_new_std(&mt9v032->ctrls, &mt9v032_ctrl_ops, - V4L2_CID_VBLANK, MT9V032_VERTICAL_BLANKING_MIN, - MT9V032_VERTICAL_BLANKING_MAX, 1, + V4L2_CID_VBLANK, mt9v032->model->data->min_vblank, + mt9v032->model->data->max_vblank, 1, MT9V032_VERTICAL_BLANKING_DEF); mt9v032->test_pattern = v4l2_ctrl_new_std_menu_items(&mt9v032->ctrls, &mt9v032_ctrl_ops, V4L2_CID_TEST_PATTERN, @@ -819,12 +951,19 @@ static int mt9v032_probe(struct i2c_client *client, mt9v032->crop.width = MT9V032_WINDOW_WIDTH_DEF; mt9v032->crop.height = MT9V032_WINDOW_HEIGHT_DEF; - mt9v032->format.code = V4L2_MBUS_FMT_SGRBG10_1X10; + if (mt9v032->model->color) + mt9v032->format.code = V4L2_MBUS_FMT_SGRBG10_1X10; + else + mt9v032->format.code = V4L2_MBUS_FMT_Y10_1X10; + mt9v032->format.width = MT9V032_WINDOW_WIDTH_DEF; mt9v032->format.height = MT9V032_WINDOW_HEIGHT_DEF; mt9v032->format.field = V4L2_FIELD_NONE; mt9v032->format.colorspace = V4L2_COLORSPACE_SRGB; + mt9v032->hratio = 1; + mt9v032->vratio = 1; + mt9v032->aec_agc = MT9V032_AEC_ENABLE | MT9V032_AGC_ENABLE; mt9v032->hblank = MT9V032_HORIZONTAL_BLANKING_DEF; mt9v032->sysclk = MT9V032_SYSCLK_FREQ_DEF; @@ -855,7 +994,10 @@ static int mt9v032_remove(struct i2c_client *client) } static const struct i2c_device_id mt9v032_id[] = { - { "mt9v032", 0 }, + { "mt9v032", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_COLOR] }, + { "mt9v032m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V032_MONO] }, + { "mt9v034", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_COLOR] }, + { "mt9v034m", (kernel_ulong_t)&mt9v032_models[MT9V032_MODEL_V034_MONO] }, { } }; MODULE_DEVICE_TABLE(i2c, mt9v032_id); diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c index ae66d91bf713..fbd48f04b5c8 100644 --- a/drivers/media/i2c/smiapp/smiapp-core.c +++ b/drivers/media/i2c/smiapp/smiapp-core.c @@ -399,7 +399,6 @@ static void smiapp_update_mbus_formats(struct smiapp_sensor *sensor) BUG_ON(max(internal_csi_format_idx, csi_format_idx) + pixel_order >= ARRAY_SIZE(smiapp_csi_data_formats)); - BUG_ON(min(internal_csi_format_idx, csi_format_idx) < 0); dev_dbg(&client->dev, "new pixel order %s\n", pixel_order_str[pixel_order]); diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c index 25bdd9312fea..23f4f65fccd7 100644 --- a/drivers/media/i2c/vs6624.c +++ b/drivers/media/i2c/vs6624.c @@ -503,6 +503,7 @@ static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) return &container_of(ctrl->handler, struct vs6624, hdl)->sd; } +#ifdef CONFIG_VIDEO_ADV_DEBUG static int vs6624_read(struct v4l2_subdev *sd, u16 index) { struct i2c_client *client = v4l2_get_subdevdata(sd); @@ -515,6 +516,7 @@ static int vs6624_read(struct v4l2_subdev *sd, u16 index) return buf[0]; } +#endif static int vs6624_write(struct v4l2_subdev *sd, u16 index, u8 value) diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index 2c286c307145..37c334edc7e8 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -235,6 +235,8 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity, media_entity_graph_walk_start(&graph, entity); while ((entity = media_entity_graph_walk_next(&graph))) { + DECLARE_BITMAP(active, entity->num_pads); + DECLARE_BITMAP(has_no_links, entity->num_pads); unsigned int i; entity->stream_count++; @@ -248,21 +250,46 @@ __must_check int media_entity_pipeline_start(struct media_entity *entity, if (!entity->ops || !entity->ops->link_validate) continue; + bitmap_zero(active, entity->num_pads); + bitmap_fill(has_no_links, entity->num_pads); + for (i = 0; i < entity->num_links; i++) { struct media_link *link = &entity->links[i]; - - /* Is this pad part of an enabled link? */ - if (!(link->flags & MEDIA_LNK_FL_ENABLED)) - continue; - - /* Are we the sink or not? */ - if (link->sink->entity != entity) + struct media_pad *pad = link->sink->entity == entity + ? link->sink : link->source; + + /* Mark that a pad is connected by a link. */ + bitmap_clear(has_no_links, pad->index, 1); + + /* + * Pads that either do not need to connect or + * are connected through an enabled link are + * fine. + */ + if (!(pad->flags & MEDIA_PAD_FL_MUST_CONNECT) || + link->flags & MEDIA_LNK_FL_ENABLED) + bitmap_set(active, pad->index, 1); + + /* + * Link validation will only take place for + * sink ends of the link that are enabled. + */ + if (link->sink != pad || + !(link->flags & MEDIA_LNK_FL_ENABLED)) continue; ret = entity->ops->link_validate(link); if (ret < 0 && ret != -ENOIOCTLCMD) goto error; } + + /* Either no links or validated links are fine. */ + bitmap_or(active, active, has_no_links, entity->num_pads); + + if (!bitmap_full(active, entity->num_pads)) { + ret = -EPIPE; + goto error; + } } mutex_unlock(&mdev->graph_mutex); diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c index c1f8cc6f14b2..716bdc57fac6 100644 --- a/drivers/media/pci/cx18/cx18-driver.c +++ b/drivers/media/pci/cx18/cx18-driver.c @@ -327,13 +327,16 @@ void cx18_read_eeprom(struct cx18 *cx, struct tveeprom *tv) struct i2c_client *c; u8 eedata[256]; + memset(tv, 0, sizeof(*tv)); + c = kzalloc(sizeof(*c), GFP_KERNEL); + if (!c) + return; strlcpy(c->name, "cx18 tveeprom tmp", sizeof(c->name)); c->adapter = &cx->i2c_adap[0]; c->addr = 0xa0 >> 1; - memset(tv, 0, sizeof(*tv)); if (tveeprom_read(c, eedata, sizeof(eedata))) goto ret; diff --git a/drivers/media/pci/cx25821/cx25821-alsa.c b/drivers/media/pci/cx25821/cx25821-alsa.c index 6e91e84d6bf9..b1e08c3e55cd 100644 --- a/drivers/media/pci/cx25821/cx25821-alsa.c +++ b/drivers/media/pci/cx25821/cx25821-alsa.c @@ -618,7 +618,7 @@ static int snd_cx25821_pcm(struct cx25821_audio_dev *chip, int device, * Only boards with eeprom and byte 1 at eeprom=1 have it */ -static DEFINE_PCI_DEVICE_TABLE(cx25821_audio_pci_tbl) = { +static const struct pci_device_id cx25821_audio_pci_tbl[] = { {0x14f1, 0x0920, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {0,} }; diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c index b762c5b2ca10..e81173c41e5a 100644 --- a/drivers/media/pci/cx25821/cx25821-core.c +++ b/drivers/media/pci/cx25821/cx25821-core.c @@ -1361,7 +1361,7 @@ static void cx25821_finidev(struct pci_dev *pci_dev) kfree(dev); } -static DEFINE_PCI_DEVICE_TABLE(cx25821_pci_tbl) = { +static const struct pci_device_id cx25821_pci_tbl[] = { { /* CX25821 Athena */ .vendor = 0x14f1, diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c index 400eb1c42d3f..d014206e7176 100644 --- a/drivers/media/pci/cx88/cx88-alsa.c +++ b/drivers/media/pci/cx88/cx88-alsa.c @@ -931,9 +931,9 @@ error: */ static void cx88_audio_finidev(struct pci_dev *pci) { - struct cx88_audio_dev *card = pci_get_drvdata(pci); + struct snd_card *card = pci_get_drvdata(pci); - snd_card_free((void *)card); + snd_card_free(card); devno--; } diff --git a/drivers/media/pci/sta2x11/sta2x11_vip.c b/drivers/media/pci/sta2x11/sta2x11_vip.c index 77edc113e485..e5cfb6cfa18d 100644 --- a/drivers/media/pci/sta2x11/sta2x11_vip.c +++ b/drivers/media/pci/sta2x11/sta2x11_vip.c @@ -1303,7 +1303,7 @@ static int sta2x11_vip_resume(struct pci_dev *pdev) #endif -static DEFINE_PCI_DEVICE_TABLE(sta2x11_vip_pci_tbl) = { +static const struct pci_device_id sta2x11_vip_pci_tbl[] = { {PCI_DEVICE(PCI_VENDOR_ID_STMICRO, PCI_DEVICE_ID_STMICRO_VIP)}, {0,} }; diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index d7f0249e4050..7f6ea6570122 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -36,7 +36,8 @@ source "drivers/media/platform/blackfin/Kconfig" config VIDEO_SH_VOU tristate "SuperH VOU video output driver" depends on MEDIA_CAMERA_SUPPORT - depends on VIDEO_DEV && ARCH_SHMOBILE && I2C + depends on VIDEO_DEV && I2C + depends on ARCH_SHMOBILE || COMPILE_TEST select VIDEOBUF_DMA_CONTIG help Support for the Video Output Unit (VOU) on SuperH SoCs. diff --git a/drivers/media/platform/exynos4-is/fimc-capture.c b/drivers/media/platform/exynos4-is/fimc-capture.c index fb27ff7e1e07..8a712ca91d11 100644 --- a/drivers/media/platform/exynos4-is/fimc-capture.c +++ b/drivers/media/platform/exynos4-is/fimc-capture.c @@ -549,7 +549,7 @@ static int fimc_capture_release(struct file *file) vc->streaming = false; } - ret = vb2_fop_release(file); + ret = _vb2_fop_release(file, NULL); if (close) { clear_bit(ST_CAPT_BUSY, &fimc->state); diff --git a/drivers/media/platform/exynos4-is/fimc-core.h b/drivers/media/platform/exynos4-is/fimc-core.h index 3d376faec777..1790fb4e32ea 100644 --- a/drivers/media/platform/exynos4-is/fimc-core.h +++ b/drivers/media/platform/exynos4-is/fimc-core.h @@ -481,7 +481,6 @@ struct fimc_ctrls { * @flags: additional flags for image conversion * @state: flags to keep track of user configuration * @fimc_dev: the FIMC device this context applies to - * @m2m_ctx: memory-to-memory device context * @fh: v4l2 file handle * @ctrls: v4l2 controls structure */ @@ -502,7 +501,6 @@ struct fimc_ctx { u32 flags; u32 state; struct fimc_dev *fimc_dev; - struct v4l2_m2m_ctx *m2m_ctx; struct v4l2_fh fh; struct fimc_ctrls ctrls; }; diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.c b/drivers/media/platform/exynos4-is/fimc-is-regs.c index f758e2694fa3..2628733c4e10 100644 --- a/drivers/media/platform/exynos4-is/fimc-is-regs.c +++ b/drivers/media/platform/exynos4-is/fimc-is-regs.c @@ -33,47 +33,23 @@ void fimc_is_hw_set_intgr0_gd0(struct fimc_is *is) mcuctl_write(INTGR0_INTGD(0), is, MCUCTL_REG_INTGR0); } -int fimc_is_hw_wait_intsr0_intsd0(struct fimc_is *is) -{ - unsigned int timeout = 2000; - u32 cfg, status; - - cfg = mcuctl_read(is, MCUCTL_REG_INTSR0); - status = INTSR0_GET_INTSD(0, cfg); - - while (status) { - cfg = mcuctl_read(is, MCUCTL_REG_INTSR0); - status = INTSR0_GET_INTSD(0, cfg); - if (timeout == 0) { - dev_warn(&is->pdev->dev, "%s timeout\n", - __func__); - return -ETIME; - } - timeout--; - udelay(1); - } - return 0; -} - int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is) { unsigned int timeout = 2000; u32 cfg, status; - cfg = mcuctl_read(is, MCUCTL_REG_INTMSR0); - status = INTMSR0_GET_INTMSD(0, cfg); - - while (status) { + do { cfg = mcuctl_read(is, MCUCTL_REG_INTMSR0); status = INTMSR0_GET_INTMSD(0, cfg); - if (timeout == 0) { + + if (--timeout == 0) { dev_warn(&is->pdev->dev, "%s timeout\n", __func__); - return -ETIME; + return -ETIMEDOUT; } - timeout--; udelay(1); - } + } while (status != 0); + return 0; } diff --git a/drivers/media/platform/exynos4-is/fimc-is-regs.h b/drivers/media/platform/exynos4-is/fimc-is-regs.h index 5fa2fda46742..1d9d4ffc6ad5 100644 --- a/drivers/media/platform/exynos4-is/fimc-is-regs.h +++ b/drivers/media/platform/exynos4-is/fimc-is-regs.h @@ -145,7 +145,6 @@ void fimc_is_fw_clear_irq2(struct fimc_is *is); int fimc_is_hw_get_params(struct fimc_is *is, unsigned int num); void fimc_is_hw_set_intgr0_gd0(struct fimc_is *is); -int fimc_is_hw_wait_intsr0_intsd0(struct fimc_is *is); int fimc_is_hw_wait_intmsr0_intmsd0(struct fimc_is *is); void fimc_is_hw_set_sensor_num(struct fimc_is *is); void fimc_is_hw_stream_on(struct fimc_is *is); diff --git a/drivers/media/platform/exynos4-is/fimc-lite-reg.c b/drivers/media/platform/exynos4-is/fimc-lite-reg.c index 72a343e3b5e8..d0dc7ee04452 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite-reg.c +++ b/drivers/media/platform/exynos4-is/fimc-lite-reg.c @@ -133,7 +133,7 @@ void flite_hw_set_source_format(struct fimc_lite *dev, struct flite_frame *f) int i = ARRAY_SIZE(src_pixfmt_map); u32 cfg; - while (--i >= 0) { + while (--i) { if (src_pixfmt_map[i][0] == pixelcode) break; } @@ -240,7 +240,7 @@ static void flite_hw_set_out_order(struct fimc_lite *dev, struct flite_frame *f) u32 cfg = readl(dev->regs + FLITE_REG_CIODMAFMT); int i = ARRAY_SIZE(pixcode); - while (--i >= 0) + while (--i) if (pixcode[i][0] == f->fmt->mbus_code) break; cfg &= ~FLITE_REG_CIODMAFMT_YCBCR_ORDER_MASK; diff --git a/drivers/media/platform/exynos4-is/fimc-lite.c b/drivers/media/platform/exynos4-is/fimc-lite.c index e5798f70d149..d3b32b6f795d 100644 --- a/drivers/media/platform/exynos4-is/fimc-lite.c +++ b/drivers/media/platform/exynos4-is/fimc-lite.c @@ -546,7 +546,7 @@ static int fimc_lite_release(struct file *file) mutex_unlock(&entity->parent->graph_mutex); } - vb2_fop_release(file); + _vb2_fop_release(file, NULL); pm_runtime_put(&fimc->pdev->dev); clear_bit(ST_FLITE_SUSPENDED, &fimc->state); diff --git a/drivers/media/platform/exynos4-is/fimc-m2m.c b/drivers/media/platform/exynos4-is/fimc-m2m.c index 8d33b68c76ba..9da95bd14820 100644 --- a/drivers/media/platform/exynos4-is/fimc-m2m.c +++ b/drivers/media/platform/exynos4-is/fimc-m2m.c @@ -44,17 +44,17 @@ void fimc_m2m_job_finish(struct fimc_ctx *ctx, int vb_state) { struct vb2_buffer *src_vb, *dst_vb; - if (!ctx || !ctx->m2m_ctx) + if (!ctx || !ctx->fh.m2m_ctx) return; - src_vb = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); - dst_vb = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + src_vb = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + dst_vb = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); if (src_vb && dst_vb) { v4l2_m2m_buf_done(src_vb, vb_state); v4l2_m2m_buf_done(dst_vb, vb_state); v4l2_m2m_job_finish(ctx->fimc_dev->m2m.m2m_dev, - ctx->m2m_ctx); + ctx->fh.m2m_ctx); } } @@ -123,12 +123,12 @@ static void fimc_device_run(void *priv) fimc_prepare_dma_offset(ctx, df); } - src_vb = v4l2_m2m_next_src_buf(ctx->m2m_ctx); + src_vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); ret = fimc_prepare_addr(ctx, src_vb, sf, &sf->paddr); if (ret) goto dma_unlock; - dst_vb = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + dst_vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); ret = fimc_prepare_addr(ctx, dst_vb, df, &df->paddr); if (ret) goto dma_unlock; @@ -219,31 +219,15 @@ static int fimc_buf_prepare(struct vb2_buffer *vb) static void fimc_buf_queue(struct vb2_buffer *vb) { struct fimc_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - - dbg("ctx: %p, ctx->state: 0x%x", ctx, ctx->state); - - if (ctx->m2m_ctx) - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); -} - -static void fimc_lock(struct vb2_queue *vq) -{ - struct fimc_ctx *ctx = vb2_get_drv_priv(vq); - mutex_lock(&ctx->fimc_dev->lock); -} - -static void fimc_unlock(struct vb2_queue *vq) -{ - struct fimc_ctx *ctx = vb2_get_drv_priv(vq); - mutex_unlock(&ctx->fimc_dev->lock); + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); } static struct vb2_ops fimc_qops = { .queue_setup = fimc_queue_setup, .buf_prepare = fimc_buf_prepare, .buf_queue = fimc_buf_queue, - .wait_prepare = fimc_unlock, - .wait_finish = fimc_lock, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .stop_streaming = stop_streaming, .start_streaming = start_streaming, }; @@ -385,7 +369,7 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, if (ret) return ret; - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); if (vb2_is_busy(vq)) { v4l2_err(&fimc->m2m.vfd, "queue (%d) busy\n", f->type); @@ -410,56 +394,6 @@ static int fimc_m2m_s_fmt_mplane(struct file *file, void *fh, return 0; } -static int fimc_m2m_reqbufs(struct file *file, void *fh, - struct v4l2_requestbuffers *reqbufs) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int fimc_m2m_querybuf(struct file *file, void *fh, - struct v4l2_buffer *buf) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int fimc_m2m_qbuf(struct file *file, void *fh, - struct v4l2_buffer *buf) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int fimc_m2m_dqbuf(struct file *file, void *fh, - struct v4l2_buffer *buf) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - -static int fimc_m2m_expbuf(struct file *file, void *fh, - struct v4l2_exportbuffer *eb) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_expbuf(file, ctx->m2m_ctx, eb); -} - - -static int fimc_m2m_streamon(struct file *file, void *fh, - enum v4l2_buf_type type) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int fimc_m2m_streamoff(struct file *file, void *fh, - enum v4l2_buf_type type) -{ - struct fimc_ctx *ctx = fh_to_ctx(fh); - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int fimc_m2m_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cr) { @@ -598,13 +532,13 @@ static const struct v4l2_ioctl_ops fimc_m2m_ioctl_ops = { .vidioc_try_fmt_vid_out_mplane = fimc_m2m_try_fmt_mplane, .vidioc_s_fmt_vid_cap_mplane = fimc_m2m_s_fmt_mplane, .vidioc_s_fmt_vid_out_mplane = fimc_m2m_s_fmt_mplane, - .vidioc_reqbufs = fimc_m2m_reqbufs, - .vidioc_querybuf = fimc_m2m_querybuf, - .vidioc_qbuf = fimc_m2m_qbuf, - .vidioc_dqbuf = fimc_m2m_dqbuf, - .vidioc_expbuf = fimc_m2m_expbuf, - .vidioc_streamon = fimc_m2m_streamon, - .vidioc_streamoff = fimc_m2m_streamoff, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, + .vidioc_expbuf = v4l2_m2m_ioctl_expbuf, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_crop = fimc_m2m_g_crop, .vidioc_s_crop = fimc_m2m_s_crop, .vidioc_cropcap = fimc_m2m_cropcap @@ -624,6 +558,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->fimc_dev->lock; ret = vb2_queue_init(src_vq); if (ret) @@ -636,6 +571,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->fimc_dev->lock; return vb2_queue_init(dst_vq); } @@ -708,9 +644,9 @@ static int fimc_m2m_open(struct file *file) ctx->out_path = FIMC_IO_DMA; ctx->scaler.enabled = 1; - ctx->m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - ret = PTR_ERR(ctx->m2m_ctx); + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(fimc->m2m.m2m_dev, ctx, queue_init); + if (IS_ERR(ctx->fh.m2m_ctx)) { + ret = PTR_ERR(ctx->fh.m2m_ctx); goto error_c; } @@ -725,7 +661,7 @@ static int fimc_m2m_open(struct file *file) return 0; error_m2m_ctx: - v4l2_m2m_ctx_release(ctx->m2m_ctx); + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); error_c: fimc_ctrls_delete(ctx); error_fh: @@ -747,7 +683,7 @@ static int fimc_m2m_release(struct file *file) mutex_lock(&fimc->lock); - v4l2_m2m_ctx_release(ctx->m2m_ctx); + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); fimc_ctrls_delete(ctx); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); @@ -760,45 +696,13 @@ static int fimc_m2m_release(struct file *file) return 0; } -static unsigned int fimc_m2m_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct fimc_ctx *ctx = fh_to_ctx(file->private_data); - struct fimc_dev *fimc = ctx->fimc_dev; - int ret; - - if (mutex_lock_interruptible(&fimc->lock)) - return -ERESTARTSYS; - - ret = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); - mutex_unlock(&fimc->lock); - - return ret; -} - - -static int fimc_m2m_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct fimc_ctx *ctx = fh_to_ctx(file->private_data); - struct fimc_dev *fimc = ctx->fimc_dev; - int ret; - - if (mutex_lock_interruptible(&fimc->lock)) - return -ERESTARTSYS; - - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&fimc->lock); - - return ret; -} - static const struct v4l2_file_operations fimc_m2m_fops = { .owner = THIS_MODULE, .open = fimc_m2m_open, .release = fimc_m2m_release, - .poll = fimc_m2m_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = fimc_m2m_mmap, + .mmap = v4l2_m2m_fop_mmap, }; static struct v4l2_m2m_ops m2m_ops = { diff --git a/drivers/media/platform/exynos4-is/mipi-csis.c b/drivers/media/platform/exynos4-is/mipi-csis.c index 9fc2af6a0446..31dfc5015247 100644 --- a/drivers/media/platform/exynos4-is/mipi-csis.c +++ b/drivers/media/platform/exynos4-is/mipi-csis.c @@ -91,7 +91,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)"); #define S5PCSIS_INTSRC_ODD_BEFORE (1 << 29) #define S5PCSIS_INTSRC_ODD_AFTER (1 << 28) #define S5PCSIS_INTSRC_ODD (0x3 << 28) -#define S5PCSIS_INTSRC_NON_IMAGE_DATA (0xff << 28) +#define S5PCSIS_INTSRC_NON_IMAGE_DATA (0xf << 28) #define S5PCSIS_INTSRC_FRAME_START (1 << 27) #define S5PCSIS_INTSRC_FRAME_END (1 << 26) #define S5PCSIS_INTSRC_ERR_SOT_HS (0xf << 12) diff --git a/drivers/media/platform/mem2mem_testdev.c b/drivers/media/platform/mem2mem_testdev.c index 8df5975b700a..08e24379b794 100644 --- a/drivers/media/platform/mem2mem_testdev.c +++ b/drivers/media/platform/mem2mem_testdev.c @@ -177,8 +177,6 @@ struct m2mtest_ctx { enum v4l2_colorspace colorspace; - struct v4l2_m2m_ctx *m2m_ctx; - /* Source and destination queue data */ struct m2mtest_q_data q_data[2]; }; @@ -342,8 +340,8 @@ static int job_ready(void *priv) { struct m2mtest_ctx *ctx = priv; - if (v4l2_m2m_num_src_bufs_ready(ctx->m2m_ctx) < ctx->translen - || v4l2_m2m_num_dst_bufs_ready(ctx->m2m_ctx) < ctx->translen) { + if (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen + || v4l2_m2m_num_dst_bufs_ready(ctx->fh.m2m_ctx) < ctx->translen) { dprintk(ctx->dev, "Not enough buffers available\n"); return 0; } @@ -359,21 +357,6 @@ static void job_abort(void *priv) ctx->aborting = 1; } -static void m2mtest_lock(void *priv) -{ - struct m2mtest_ctx *ctx = priv; - struct m2mtest_dev *dev = ctx->dev; - mutex_lock(&dev->dev_mutex); -} - -static void m2mtest_unlock(void *priv) -{ - struct m2mtest_ctx *ctx = priv; - struct m2mtest_dev *dev = ctx->dev; - mutex_unlock(&dev->dev_mutex); -} - - /* device_run() - prepares and starts the device * * This simulates all the immediate preparations required before starting @@ -386,8 +369,8 @@ static void device_run(void *priv) struct m2mtest_dev *dev = ctx->dev; struct vb2_buffer *src_buf, *dst_buf; - src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); - dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); device_process(ctx, src_buf, dst_buf); @@ -409,8 +392,8 @@ static void device_isr(unsigned long priv) return; } - src_vb = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx); - dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx); + src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); + dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); curr_ctx->num_processed++; @@ -423,7 +406,7 @@ static void device_isr(unsigned long priv) || curr_ctx->aborting) { dprintk(curr_ctx->dev, "Finishing transaction\n"); curr_ctx->num_processed = 0; - v4l2_m2m_job_finish(m2mtest_dev->m2m_dev, curr_ctx->m2m_ctx); + v4l2_m2m_job_finish(m2mtest_dev->m2m_dev, curr_ctx->fh.m2m_ctx); } else { device_run(curr_ctx); } @@ -491,7 +474,7 @@ static int vidioc_g_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f) struct vb2_queue *vq; struct m2mtest_q_data *q_data; - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -594,7 +577,7 @@ static int vidioc_s_fmt(struct m2mtest_ctx *ctx, struct v4l2_format *f) struct m2mtest_q_data *q_data; struct vb2_queue *vq; - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -648,52 +631,6 @@ static int vidioc_s_fmt_vid_out(struct file *file, void *priv, return ret; } -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int m2mtest_s_ctrl(struct v4l2_ctrl *ctrl) { struct m2mtest_ctx *ctx = @@ -748,14 +685,14 @@ static const struct v4l2_ioctl_ops m2mtest_ioctl_ops = { .vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out, .vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; @@ -818,27 +755,15 @@ static int m2mtest_buf_prepare(struct vb2_buffer *vb) static void m2mtest_buf_queue(struct vb2_buffer *vb) { struct m2mtest_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); -} - -static void m2mtest_wait_prepare(struct vb2_queue *q) -{ - struct m2mtest_ctx *ctx = vb2_get_drv_priv(q); - m2mtest_unlock(ctx); -} - -static void m2mtest_wait_finish(struct vb2_queue *q) -{ - struct m2mtest_ctx *ctx = vb2_get_drv_priv(q); - m2mtest_lock(ctx); + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); } static struct vb2_ops m2mtest_qops = { .queue_setup = m2mtest_queue_setup, .buf_prepare = m2mtest_buf_prepare, .buf_queue = m2mtest_buf_queue, - .wait_prepare = m2mtest_wait_prepare, - .wait_finish = m2mtest_wait_finish, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, }; static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq) @@ -853,6 +778,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *ds src_vq->ops = &m2mtest_qops; src_vq->mem_ops = &vb2_vmalloc_memops; src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->dev->dev_mutex; ret = vb2_queue_init(src_vq); if (ret) @@ -865,6 +791,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *ds dst_vq->ops = &m2mtest_qops; dst_vq->mem_ops = &vb2_vmalloc_memops; dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->dev->dev_mutex; return vb2_queue_init(dst_vq); } @@ -936,10 +863,10 @@ static int m2mtest_open(struct file *file) ctx->q_data[V4L2_M2M_DST] = ctx->q_data[V4L2_M2M_SRC]; ctx->colorspace = V4L2_COLORSPACE_REC709; - ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - rc = PTR_ERR(ctx->m2m_ctx); + if (IS_ERR(ctx->fh.m2m_ctx)) { + rc = PTR_ERR(ctx->fh.m2m_ctx); v4l2_ctrl_handler_free(hdl); kfree(ctx); @@ -949,7 +876,8 @@ static int m2mtest_open(struct file *file) v4l2_fh_add(&ctx->fh); atomic_inc(&dev->num_inst); - dprintk(dev, "Created instance %p, m2m_ctx: %p\n", ctx, ctx->m2m_ctx); + dprintk(dev, "Created instance: %p, m2m_ctx: %p\n", + ctx, ctx->fh.m2m_ctx); open_unlock: mutex_unlock(&dev->dev_mutex); @@ -967,7 +895,7 @@ static int m2mtest_release(struct file *file) v4l2_fh_exit(&ctx->fh); v4l2_ctrl_handler_free(&ctx->hdl); mutex_lock(&dev->dev_mutex); - v4l2_m2m_ctx_release(ctx->m2m_ctx); + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); mutex_unlock(&dev->dev_mutex); kfree(ctx); @@ -976,34 +904,13 @@ static int m2mtest_release(struct file *file) return 0; } -static unsigned int m2mtest_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct m2mtest_ctx *ctx = file2ctx(file); - - return v4l2_m2m_poll(file, ctx->m2m_ctx, wait); -} - -static int m2mtest_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct m2mtest_dev *dev = video_drvdata(file); - struct m2mtest_ctx *ctx = file2ctx(file); - int res; - - if (mutex_lock_interruptible(&dev->dev_mutex)) - return -ERESTARTSYS; - res = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&dev->dev_mutex); - return res; -} - static const struct v4l2_file_operations m2mtest_fops = { .owner = THIS_MODULE, .open = m2mtest_open, .release = m2mtest_release, - .poll = m2mtest_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = m2mtest_mmap, + .mmap = v4l2_m2m_fop_mmap, }; static struct video_device m2mtest_videodev = { @@ -1019,8 +926,6 @@ static struct v4l2_m2m_ops m2m_ops = { .device_run = device_run, .job_ready = job_ready, .job_abort = job_abort, - .lock = m2mtest_lock, - .unlock = m2mtest_unlock, }; static int m2mtest_probe(struct platform_device *pdev) @@ -1133,4 +1038,3 @@ static int __init m2mtest_init(void) module_init(m2mtest_init); module_exit(m2mtest_exit); - diff --git a/drivers/media/platform/omap3isp/ispccdc.c b/drivers/media/platform/omap3isp/ispccdc.c index 907a205da5a5..561c991529e6 100644 --- a/drivers/media/platform/omap3isp/ispccdc.c +++ b/drivers/media/platform/omap3isp/ispccdc.c @@ -2484,7 +2484,8 @@ static int ccdc_init_entities(struct isp_ccdc_device *ccdc) v4l2_set_subdevdata(sd, ccdc); sd->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; - pads[CCDC_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[CCDC_PAD_SINK].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; pads[CCDC_PAD_SOURCE_VP].flags = MEDIA_PAD_FL_SOURCE; pads[CCDC_PAD_SOURCE_OF].flags = MEDIA_PAD_FL_SOURCE; diff --git a/drivers/media/platform/omap3isp/ispccp2.c b/drivers/media/platform/omap3isp/ispccp2.c index e71651429dda..e84fe0543e47 100644 --- a/drivers/media/platform/omap3isp/ispccp2.c +++ b/drivers/media/platform/omap3isp/ispccp2.c @@ -1076,7 +1076,8 @@ static int ccp2_init_entities(struct isp_ccp2_device *ccp2) v4l2_set_subdevdata(sd, ccp2); sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - pads[CCP2_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[CCP2_PAD_SINK].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; pads[CCP2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; me->ops = &ccp2_media_ops; diff --git a/drivers/media/platform/omap3isp/ispcsi2.c b/drivers/media/platform/omap3isp/ispcsi2.c index 6db245d84bbb..620560828a48 100644 --- a/drivers/media/platform/omap3isp/ispcsi2.c +++ b/drivers/media/platform/omap3isp/ispcsi2.c @@ -1245,7 +1245,8 @@ static int csi2_init_entities(struct isp_csi2_device *csi2) sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; pads[CSI2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; - pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; me->ops = &csi2_media_ops; ret = media_entity_init(me, CSI2_PADS_NUM, pads, 0); diff --git a/drivers/media/platform/omap3isp/isppreview.c b/drivers/media/platform/omap3isp/isppreview.c index cd8831aebdeb..1c776c1186f1 100644 --- a/drivers/media/platform/omap3isp/isppreview.c +++ b/drivers/media/platform/omap3isp/isppreview.c @@ -2283,7 +2283,8 @@ static int preview_init_entities(struct isp_prev_device *prev) v4l2_ctrl_handler_setup(&prev->ctrls); sd->ctrl_handler = &prev->ctrls; - pads[PREV_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[PREV_PAD_SINK].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; pads[PREV_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; me->ops = &preview_media_ops; diff --git a/drivers/media/platform/omap3isp/ispresizer.c b/drivers/media/platform/omap3isp/ispresizer.c index d11fb261d530..0d36b8bc9f98 100644 --- a/drivers/media/platform/omap3isp/ispresizer.c +++ b/drivers/media/platform/omap3isp/ispresizer.c @@ -1532,6 +1532,20 @@ static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, return 0; } +static int resizer_link_validate(struct v4l2_subdev *sd, + struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt) +{ + struct isp_res_device *res = v4l2_get_subdevdata(sd); + struct isp_pipeline *pipe = to_isp_pipeline(&sd->entity); + + omap3isp_resizer_max_rate(res, &pipe->max_rate); + + return v4l2_subdev_link_validate_default(sd, link, + source_fmt, sink_fmt); +} + /* * resizer_init_formats - Initialize formats on all pads * @sd: ISP resizer V4L2 subdevice @@ -1570,6 +1584,7 @@ static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = { .set_fmt = resizer_set_format, .get_selection = resizer_get_selection, .set_selection = resizer_set_selection, + .link_validate = resizer_link_validate, }; /* subdev operations */ @@ -1701,7 +1716,8 @@ static int resizer_init_entities(struct isp_res_device *res) v4l2_set_subdevdata(sd, res); sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; - pads[RESZ_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[RESZ_PAD_SINK].flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; pads[RESZ_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; me->ops = &resizer_media_ops; diff --git a/drivers/media/platform/omap3isp/ispstat.c b/drivers/media/platform/omap3isp/ispstat.c index 61e17f9bd8b9..a75407c3a726 100644 --- a/drivers/media/platform/omap3isp/ispstat.c +++ b/drivers/media/platform/omap3isp/ispstat.c @@ -1067,7 +1067,7 @@ static int isp_stat_init_entities(struct ispstat *stat, const char *name, subdev->flags |= V4L2_SUBDEV_FL_HAS_EVENTS | V4L2_SUBDEV_FL_HAS_DEVNODE; v4l2_set_subdevdata(subdev, stat); - stat->pad.flags = MEDIA_PAD_FL_SINK; + stat->pad.flags = MEDIA_PAD_FL_SINK | MEDIA_PAD_FL_MUST_CONNECT; me->ops = NULL; return media_entity_init(me, 1, &stat->pad, 0); diff --git a/drivers/media/platform/omap3isp/ispvideo.c b/drivers/media/platform/omap3isp/ispvideo.c index f6304bb074f5..3953aec7c5c5 100644 --- a/drivers/media/platform/omap3isp/ispvideo.c +++ b/drivers/media/platform/omap3isp/ispvideo.c @@ -278,55 +278,6 @@ static int isp_video_get_graph_data(struct isp_video *video, return 0; } -/* - * Validate a pipeline by checking both ends of all links for format - * discrepancies. - * - * Compute the minimum time per frame value as the maximum of time per frame - * limits reported by every block in the pipeline. - * - * Return 0 if all formats match, or -EPIPE if at least one link is found with - * different formats on its two ends or if the pipeline doesn't start with a - * video source (either a subdev with no input pad, or a non-subdev entity). - */ -static int isp_video_validate_pipeline(struct isp_pipeline *pipe) -{ - struct isp_device *isp = pipe->output->isp; - struct media_pad *pad; - struct v4l2_subdev *subdev; - - subdev = isp_video_remote_subdev(pipe->output, NULL); - if (subdev == NULL) - return -EPIPE; - - while (1) { - /* Retrieve the sink format */ - pad = &subdev->entity.pads[0]; - if (!(pad->flags & MEDIA_PAD_FL_SINK)) - break; - - /* Update the maximum frame rate */ - if (subdev == &isp->isp_res.subdev) - omap3isp_resizer_max_rate(&isp->isp_res, - &pipe->max_rate); - - /* Retrieve the source format. Return an error if no source - * entity can be found, and stop checking the pipeline if the - * source entity isn't a subdev. - */ - pad = media_entity_remote_pad(pad); - if (pad == NULL) - return -EPIPE; - - if (media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) - break; - - subdev = media_entity_to_v4l2_subdev(pad->entity); - } - - return 0; -} - static int __isp_video_get_format(struct isp_video *video, struct v4l2_format *format) { @@ -1051,11 +1002,6 @@ isp_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) if (ret < 0) goto err_check_format; - /* Validate the pipeline and update its state. */ - ret = isp_video_validate_pipeline(pipe); - if (ret < 0) - goto err_check_format; - pipe->error = false; spin_lock_irqsave(&pipe->lock, flags); @@ -1332,11 +1278,13 @@ int omap3isp_video_init(struct isp_video *video, const char *name) switch (video->type) { case V4L2_BUF_TYPE_VIDEO_CAPTURE: direction = "output"; - video->pad.flags = MEDIA_PAD_FL_SINK; + video->pad.flags = MEDIA_PAD_FL_SINK + | MEDIA_PAD_FL_MUST_CONNECT; break; case V4L2_BUF_TYPE_VIDEO_OUTPUT: direction = "input"; - video->pad.flags = MEDIA_PAD_FL_SOURCE; + video->pad.flags = MEDIA_PAD_FL_SOURCE + | MEDIA_PAD_FL_MUST_CONNECT; video->video.vfl_dir = VFL_DIR_TX; break; diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index 0b2948376aee..0fcf7d75e841 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -136,10 +136,9 @@ static int g2d_buf_prepare(struct vb2_buffer *vb) static void g2d_buf_queue(struct vb2_buffer *vb) { struct g2d_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue); - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); } - static struct vb2_ops g2d_qops = { .queue_setup = g2d_queue_setup, .buf_prepare = g2d_buf_prepare, @@ -159,6 +158,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->dev->mutex; ret = vb2_queue_init(src_vq); if (ret) @@ -171,6 +171,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->dev->mutex; return vb2_queue_init(dst_vq); } @@ -253,9 +254,9 @@ static int g2d_open(struct file *file) kfree(ctx); return -ERESTARTSYS; } - ctx->m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - ret = PTR_ERR(ctx->m2m_ctx); + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, ctx, &queue_init); + if (IS_ERR(ctx->fh.m2m_ctx)) { + ret = PTR_ERR(ctx->fh.m2m_ctx); mutex_unlock(&dev->mutex); kfree(ctx); return ret; @@ -324,7 +325,7 @@ static int vidioc_g_fmt(struct file *file, void *prv, struct v4l2_format *f) struct vb2_queue *vq; struct g2d_frame *frm; - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; frm = get_frame(ctx, f->type); @@ -384,7 +385,7 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f) ret = vidioc_try_fmt(file, prv, f); if (ret) return ret; - vq = v4l2_m2m_get_vq(ctx->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, f->type); if (vb2_is_busy(vq)) { v4l2_err(&dev->v4l2_dev, "queue (%d) bust\n", f->type); return -EBUSY; @@ -410,72 +411,6 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f) return 0; } -static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - struct g2d_dev *dev = ctx->dev; - unsigned int res; - - mutex_lock(&dev->mutex); - res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); - mutex_unlock(&dev->mutex); - return res; -} - -static int g2d_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - struct g2d_dev *dev = ctx->dev; - int ret; - - if (mutex_lock_interruptible(&dev->mutex)) - return -ERESTARTSYS; - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&dev->mutex); - return ret; -} - -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - - -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cr) { @@ -551,20 +486,6 @@ static int vidioc_s_crop(struct file *file, void *prv, const struct v4l2_crop *c return 0; } -static void g2d_lock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_lock(&dev->mutex); -} - -static void g2d_unlock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_unlock(&dev->mutex); -} - static void job_abort(void *prv) { struct g2d_ctx *ctx = prv; @@ -589,8 +510,8 @@ static void device_run(void *prv) dev->curr = ctx; - src = v4l2_m2m_next_src_buf(ctx->m2m_ctx); - dst = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + src = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); clk_enable(dev->gate); g2d_reset(dev); @@ -631,8 +552,8 @@ static irqreturn_t g2d_isr(int irq, void *prv) BUG_ON(ctx == NULL); - src = v4l2_m2m_src_buf_remove(ctx->m2m_ctx); - dst = v4l2_m2m_dst_buf_remove(ctx->m2m_ctx); + src = v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx); + dst = v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx); BUG_ON(src == NULL); BUG_ON(dst == NULL); @@ -642,7 +563,7 @@ static irqreturn_t g2d_isr(int irq, void *prv) v4l2_m2m_buf_done(src, VB2_BUF_STATE_DONE); v4l2_m2m_buf_done(dst, VB2_BUF_STATE_DONE); - v4l2_m2m_job_finish(dev->m2m_dev, ctx->m2m_ctx); + v4l2_m2m_job_finish(dev->m2m_dev, ctx->fh.m2m_ctx); dev->curr = NULL; wake_up(&dev->irq_queue); @@ -653,9 +574,9 @@ static const struct v4l2_file_operations g2d_fops = { .owner = THIS_MODULE, .open = g2d_open, .release = g2d_release, - .poll = g2d_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = g2d_mmap, + .mmap = v4l2_m2m_fop_mmap, }; static const struct v4l2_ioctl_ops g2d_ioctl_ops = { @@ -671,14 +592,13 @@ static const struct v4l2_ioctl_ops g2d_ioctl_ops = { .vidioc_try_fmt_vid_out = vidioc_try_fmt, .vidioc_s_fmt_vid_out = vidioc_s_fmt, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_crop = vidioc_g_crop, .vidioc_s_crop = vidioc_s_crop, @@ -697,8 +617,6 @@ static struct video_device g2d_videodev = { static struct v4l2_m2m_ops g2d_m2m_ops = { .device_run = device_run, .job_abort = job_abort, - .lock = g2d_lock, - .unlock = g2d_unlock, }; static const struct of_device_id exynos_g2d_match[]; diff --git a/drivers/media/platform/s5p-g2d/g2d.h b/drivers/media/platform/s5p-g2d/g2d.h index 300ca05ba404..b0e52ab7ecdb 100644 --- a/drivers/media/platform/s5p-g2d/g2d.h +++ b/drivers/media/platform/s5p-g2d/g2d.h @@ -57,7 +57,6 @@ struct g2d_frame { struct g2d_ctx { struct v4l2_fh fh; struct g2d_dev *dev; - struct v4l2_m2m_ctx *m2m_ctx; struct g2d_frame in; struct g2d_frame out; struct v4l2_ctrl *ctrl_hflip; diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 9b88a4601007..c818cbe6dd5d 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -316,9 +316,9 @@ static int s5p_jpeg_open(struct file *file) if (ret < 0) goto error; - ctx->m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - ret = PTR_ERR(ctx->m2m_ctx); + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); + if (IS_ERR(ctx->fh.m2m_ctx)) { + ret = PTR_ERR(ctx->fh.m2m_ctx); goto error; } @@ -342,7 +342,7 @@ static int s5p_jpeg_release(struct file *file) struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); mutex_lock(&jpeg->lock); - v4l2_m2m_ctx_release(ctx->m2m_ctx); + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); mutex_unlock(&jpeg->lock); v4l2_ctrl_handler_free(&ctx->ctrl_handler); v4l2_fh_del(&ctx->fh); @@ -352,39 +352,13 @@ static int s5p_jpeg_release(struct file *file) return 0; } -static unsigned int s5p_jpeg_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct s5p_jpeg *jpeg = video_drvdata(file); - struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); - unsigned int res; - - mutex_lock(&jpeg->lock); - res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); - mutex_unlock(&jpeg->lock); - return res; -} - -static int s5p_jpeg_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct s5p_jpeg *jpeg = video_drvdata(file); - struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); - int ret; - - if (mutex_lock_interruptible(&jpeg->lock)) - return -ERESTARTSYS; - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&jpeg->lock); - return ret; -} - static const struct v4l2_file_operations s5p_jpeg_fops = { .owner = THIS_MODULE, .open = s5p_jpeg_open, .release = s5p_jpeg_release, - .poll = s5p_jpeg_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = s5p_jpeg_mmap, + .mmap = v4l2_m2m_fop_mmap, }; /* @@ -589,7 +563,7 @@ static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) struct v4l2_pix_format *pix = &f->fmt.pix; struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); - vq = v4l2_m2m_get_vq(ct->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -745,7 +719,7 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) struct s5p_jpeg_q_data *q_data = NULL; struct v4l2_pix_format *pix = &f->fmt.pix; - vq = v4l2_m2m_get_vq(ct->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -792,53 +766,6 @@ static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); } -static int s5p_jpeg_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int s5p_jpeg_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_dqbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int s5p_jpeg_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int s5p_jpeg_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { @@ -972,14 +899,13 @@ static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, - .vidioc_reqbufs = s5p_jpeg_reqbufs, - .vidioc_querybuf = s5p_jpeg_querybuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, - .vidioc_qbuf = s5p_jpeg_qbuf, - .vidioc_dqbuf = s5p_jpeg_dqbuf, - - .vidioc_streamon = s5p_jpeg_streamon, - .vidioc_streamoff = s5p_jpeg_streamoff, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_selection = s5p_jpeg_g_selection, }; @@ -997,8 +923,8 @@ static void s5p_jpeg_device_run(void *priv) struct vb2_buffer *src_buf, *dst_buf; unsigned long src_addr, dst_addr; - src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); - dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); @@ -1170,22 +1096,8 @@ static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) ); q_data->size = q_data->w * q_data->h * q_data->fmt->depth >> 3; } - if (ctx->m2m_ctx) - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); -} - -static void s5p_jpeg_wait_prepare(struct vb2_queue *vq) -{ - struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); - - mutex_unlock(&ctx->jpeg->lock); -} - -static void s5p_jpeg_wait_finish(struct vb2_queue *vq) -{ - struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); - mutex_lock(&ctx->jpeg->lock); + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); } static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) @@ -1211,8 +1123,8 @@ static struct vb2_ops s5p_jpeg_qops = { .queue_setup = s5p_jpeg_queue_setup, .buf_prepare = s5p_jpeg_buf_prepare, .buf_queue = s5p_jpeg_buf_queue, - .wait_prepare = s5p_jpeg_wait_prepare, - .wait_finish = s5p_jpeg_wait_finish, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .start_streaming = s5p_jpeg_start_streaming, .stop_streaming = s5p_jpeg_stop_streaming, }; @@ -1230,6 +1142,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, src_vq->ops = &s5p_jpeg_qops; src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->jpeg->lock; ret = vb2_queue_init(src_vq); if (ret) @@ -1242,6 +1155,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->ops = &s5p_jpeg_qops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->jpeg->lock; return vb2_queue_init(dst_vq); } @@ -1267,8 +1181,8 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); - src_buf = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx); + src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); if (curr_ctx->mode == S5P_JPEG_ENCODE) enc_jpeg_too_large = jpeg_enc_stream_stat(jpeg->regs); @@ -1296,7 +1210,7 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) if (curr_ctx->mode == S5P_JPEG_ENCODE) vb2_set_plane_payload(dst_buf, 0, payload_size); v4l2_m2m_buf_done(dst_buf, state); - v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->m2m_ctx); + v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); curr_ctx->subsampling = jpeg_get_subsampling_mode(jpeg->regs); spin_unlock(&jpeg->slock); diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h index 8a4013e3aee7..4a4776b7e1d4 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h @@ -115,7 +115,6 @@ struct s5p_jpeg_q_data { * @jpeg: JPEG IP device for this context * @mode: compression (encode) operation or decompression (decode) * @compr_quality: destination image quality in compression (encode) mode - * @m2m_ctx: mem2mem device context * @out_q: source (output) queue information * @cap_fmt: destination (capture) queue queue information * @hdr_parsed: set if header has been parsed during decompression @@ -127,7 +126,6 @@ struct s5p_jpeg_ctx { unsigned short compr_quality; unsigned short restart_interval; unsigned short subsampling; - struct v4l2_m2m_ctx *m2m_ctx; struct s5p_jpeg_q_data out_q; struct s5p_jpeg_q_data cap_q; struct v4l2_fh fh; diff --git a/drivers/media/platform/s5p-tv/mixer_drv.c b/drivers/media/platform/s5p-tv/mixer_drv.c index 51805a5e2beb..bc08b5f28e44 100644 --- a/drivers/media/platform/s5p-tv/mixer_drv.c +++ b/drivers/media/platform/s5p-tv/mixer_drv.c @@ -347,19 +347,41 @@ static int mxr_runtime_resume(struct device *dev) { struct mxr_device *mdev = to_mdev(dev); struct mxr_resources *res = &mdev->res; + int ret; mxr_dbg(mdev, "resume - start\n"); mutex_lock(&mdev->mutex); /* turn clocks on */ - clk_enable(res->mixer); - clk_enable(res->vp); - clk_enable(res->sclk_mixer); + ret = clk_prepare_enable(res->mixer); + if (ret < 0) { + dev_err(mdev->dev, "clk_prepare_enable(mixer) failed\n"); + goto fail; + } + ret = clk_prepare_enable(res->vp); + if (ret < 0) { + dev_err(mdev->dev, "clk_prepare_enable(vp) failed\n"); + goto fail_mixer; + } + ret = clk_prepare_enable(res->sclk_mixer); + if (ret < 0) { + dev_err(mdev->dev, "clk_prepare_enable(sclk_mixer) failed\n"); + goto fail_vp; + } /* apply default configuration */ mxr_reg_reset(mdev); mxr_dbg(mdev, "resume - finished\n"); mutex_unlock(&mdev->mutex); return 0; + +fail_vp: + clk_disable_unprepare(res->vp); +fail_mixer: + clk_disable_unprepare(res->mixer); +fail: + mutex_unlock(&mdev->mutex); + dev_err(mdev->dev, "resume failed\n"); + return ret; } static int mxr_runtime_suspend(struct device *dev) @@ -369,9 +391,9 @@ static int mxr_runtime_suspend(struct device *dev) mxr_dbg(mdev, "suspend - start\n"); mutex_lock(&mdev->mutex); /* turn clocks off */ - clk_disable(res->sclk_mixer); - clk_disable(res->vp); - clk_disable(res->mixer); + clk_disable_unprepare(res->sclk_mixer); + clk_disable_unprepare(res->vp); + clk_disable_unprepare(res->mixer); mutex_unlock(&mdev->mutex); mxr_dbg(mdev, "suspend - finished\n"); return 0; diff --git a/drivers/media/platform/s5p-tv/sdo_drv.c b/drivers/media/platform/s5p-tv/sdo_drv.c index 0afa90f0f6ab..5a7c3796f22e 100644 --- a/drivers/media/platform/s5p-tv/sdo_drv.c +++ b/drivers/media/platform/s5p-tv/sdo_drv.c @@ -55,6 +55,8 @@ struct sdo_device { struct clk *dacphy; /** clock for control of VPLL */ struct clk *fout_vpll; + /** vpll rate before sdo stream was on */ + unsigned long vpll_rate; /** regulator for SDO IP power */ struct regulator *vdac; /** regulator for SDO plug detection */ @@ -193,17 +195,33 @@ static int sdo_s_power(struct v4l2_subdev *sd, int on) static int sdo_streamon(struct sdo_device *sdev) { + int ret; + /* set proper clock for Timing Generator */ - clk_set_rate(sdev->fout_vpll, 54000000); + sdev->vpll_rate = clk_get_rate(sdev->fout_vpll); + ret = clk_set_rate(sdev->fout_vpll, 54000000); + if (ret < 0) { + dev_err(sdev->dev, "Failed to set vpll rate\n"); + return ret; + } dev_info(sdev->dev, "fout_vpll.rate = %lu\n", clk_get_rate(sdev->fout_vpll)); /* enable clock in SDO */ sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_CLOCK_ON); - clk_enable(sdev->dacphy); + ret = clk_prepare_enable(sdev->dacphy); + if (ret < 0) { + dev_err(sdev->dev, "clk_prepare_enable(dacphy) failed\n"); + goto fail; + } /* enable DAC */ sdo_write_mask(sdev, SDO_DAC, ~0, SDO_POWER_ON_DAC); sdo_reg_debug(sdev); return 0; + +fail: + sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON); + clk_set_rate(sdev->fout_vpll, sdev->vpll_rate); + return ret; } static int sdo_streamoff(struct sdo_device *sdev) @@ -211,7 +229,7 @@ static int sdo_streamoff(struct sdo_device *sdev) int tries; sdo_write_mask(sdev, SDO_DAC, 0, SDO_POWER_ON_DAC); - clk_disable(sdev->dacphy); + clk_disable_unprepare(sdev->dacphy); sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON); for (tries = 100; tries; --tries) { if (sdo_read(sdev, SDO_CLKCON) & SDO_TVOUT_CLOCK_READY) @@ -220,6 +238,7 @@ static int sdo_streamoff(struct sdo_device *sdev) } if (tries == 0) dev_err(sdev->dev, "failed to stop streaming\n"); + clk_set_rate(sdev->fout_vpll, sdev->vpll_rate); return tries ? 0 : -EIO; } @@ -254,7 +273,7 @@ static int sdo_runtime_suspend(struct device *dev) dev_info(dev, "suspend\n"); regulator_disable(sdev->vdet); regulator_disable(sdev->vdac); - clk_disable(sdev->sclk_dac); + clk_disable_unprepare(sdev->sclk_dac); return 0; } @@ -266,7 +285,7 @@ static int sdo_runtime_resume(struct device *dev) dev_info(dev, "resume\n"); - ret = clk_enable(sdev->sclk_dac); + ret = clk_prepare_enable(sdev->sclk_dac); if (ret < 0) return ret; @@ -299,7 +318,7 @@ static int sdo_runtime_resume(struct device *dev) vdac_r_dis: regulator_disable(sdev->vdac); dac_clk_dis: - clk_disable(sdev->sclk_dac); + clk_disable_unprepare(sdev->sclk_dac); return ret; } @@ -405,7 +424,11 @@ static int sdo_probe(struct platform_device *pdev) } /* enable gate for dac clock, because mixer uses it */ - clk_enable(sdev->dac); + ret = clk_prepare_enable(sdev->dac); + if (ret < 0) { + dev_err(dev, "clk_prepare_enable(dac) failed\n"); + goto fail_fout_vpll; + } /* configure power management */ pm_runtime_enable(dev); @@ -444,7 +467,7 @@ static int sdo_remove(struct platform_device *pdev) struct sdo_device *sdev = sd_to_sdev(sd); pm_runtime_disable(&pdev->dev); - clk_disable(sdev->dac); + clk_disable_unprepare(sdev->dac); clk_put(sdev->fout_vpll); clk_put(sdev->dacphy); clk_put(sdev->dac); diff --git a/drivers/media/platform/ti-vpe/vpdma.c b/drivers/media/platform/ti-vpe/vpdma.c index af0a5ffcaa98..f97253f6699f 100644 --- a/drivers/media/platform/ti-vpe/vpdma.c +++ b/drivers/media/platform/ti-vpe/vpdma.c @@ -602,7 +602,7 @@ void vpdma_add_out_dtd(struct vpdma_desc_list *list, struct v4l2_rect *c_rect, if (fmt->data_type == DATA_TYPE_C420) depth = 8; - stride = (depth * c_rect->width) >> 3; + stride = ALIGN((depth * c_rect->width) >> 3, VPDMA_STRIDE_ALIGN); dma_addr += (c_rect->left * depth) >> 3; dtd = list->next; @@ -655,7 +655,7 @@ void vpdma_add_in_dtd(struct vpdma_desc_list *list, int frame_width, depth = 8; } - stride = (depth * c_rect->width) >> 3; + stride = ALIGN((depth * c_rect->width) >> 3, VPDMA_STRIDE_ALIGN); dma_addr += (c_rect->left * depth) >> 3; dtd = list->next; diff --git a/drivers/media/platform/ti-vpe/vpdma.h b/drivers/media/platform/ti-vpe/vpdma.h index eaa2a71a5db9..62dd14305e81 100644 --- a/drivers/media/platform/ti-vpe/vpdma.h +++ b/drivers/media/platform/ti-vpe/vpdma.h @@ -45,7 +45,10 @@ struct vpdma_data_format { }; #define VPDMA_DESC_ALIGN 16 /* 16-byte descriptor alignment */ - +#define VPDMA_STRIDE_ALIGN 16 /* + * line stride of source and dest + * buffers should be 16 byte aligned + */ #define VPDMA_DTD_DESC_SIZE 32 /* 8 words */ #define VPDMA_CFD_CTD_DESC_SIZE 16 /* 4 words */ diff --git a/drivers/media/platform/ti-vpe/vpdma_priv.h b/drivers/media/platform/ti-vpe/vpdma_priv.h index f0e9a8038c1b..c1a6ce1884f3 100644 --- a/drivers/media/platform/ti-vpe/vpdma_priv.h +++ b/drivers/media/platform/ti-vpe/vpdma_priv.h @@ -78,7 +78,7 @@ #define DATA_TYPE_C420 0x6 #define DATA_TYPE_YC422 0x7 #define DATA_TYPE_YC444 0x8 -#define DATA_TYPE_CY422 0x23 +#define DATA_TYPE_CY422 0x27 #define DATA_TYPE_RGB16_565 0x0 #define DATA_TYPE_ARGB_1555 0x1 diff --git a/drivers/media/platform/ti-vpe/vpe.c b/drivers/media/platform/ti-vpe/vpe.c index 4e58069e24ff..669777052a16 100644 --- a/drivers/media/platform/ti-vpe/vpe.c +++ b/drivers/media/platform/ti-vpe/vpe.c @@ -30,6 +30,7 @@ #include <linux/sched.h> #include <linux/slab.h> #include <linux/videodev2.h> +#include <linux/log2.h> #include <media/v4l2-common.h> #include <media/v4l2-ctrls.h> @@ -54,10 +55,6 @@ /* required alignments */ #define S_ALIGN 0 /* multiple of 1 */ #define H_ALIGN 1 /* multiple of 2 */ -#define W_ALIGN 1 /* multiple of 2 */ - -/* multiple of 128 bits, line stride, 16 bytes */ -#define L_ALIGN 4 /* flags that indicate a format can be used for capture/output */ #define VPE_FMT_TYPE_CAPTURE (1 << 0) @@ -780,12 +777,21 @@ static int set_srcdst_params(struct vpe_ctx *ctx) if ((s_q_data->flags & Q_DATA_INTERLACED) && !(d_q_data->flags & Q_DATA_INTERLACED)) { + int bytes_per_line; const struct vpdma_data_format *mv = &vpdma_misc_fmts[VPDMA_DATA_FMT_MV]; ctx->deinterlacing = 1; - mv_buf_size = - (s_q_data->width * s_q_data->height * mv->depth) >> 3; + /* + * we make sure that the source image has a 16 byte aligned + * stride, we need to do the same for the motion vector buffer + * by aligning it's stride to the next 16 byte boundry. this + * extra space will not be used by the de-interlacer, but will + * ensure that vpdma operates correctly + */ + bytes_per_line = ALIGN((s_q_data->width * mv->depth) >> 3, + VPDMA_STRIDE_ALIGN); + mv_buf_size = bytes_per_line * s_q_data->height; } else { ctx->deinterlacing = 0; mv_buf_size = 0; @@ -1352,7 +1358,8 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f, { struct v4l2_pix_format_mplane *pix = &f->fmt.pix_mp; struct v4l2_plane_pix_format *plane_fmt; - int i; + unsigned int w_align; + int i, depth, depth_bytes; if (!fmt || !(fmt->types & type)) { vpe_err(ctx->dev, "Fourcc format (0x%08x) invalid.\n", @@ -1363,7 +1370,31 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f, if (pix->field != V4L2_FIELD_NONE && pix->field != V4L2_FIELD_ALTERNATE) pix->field = V4L2_FIELD_NONE; - v4l_bound_align_image(&pix->width, MIN_W, MAX_W, W_ALIGN, + depth = fmt->vpdma_fmt[VPE_LUMA]->depth; + + /* + * the line stride should 16 byte aligned for VPDMA to work, based on + * the bytes per pixel, figure out how much the width should be aligned + * to make sure line stride is 16 byte aligned + */ + depth_bytes = depth >> 3; + + if (depth_bytes == 3) + /* + * if bpp is 3(as in some RGB formats), the pixel width doesn't + * really help in ensuring line stride is 16 byte aligned + */ + w_align = 4; + else + /* + * for the remainder bpp(4, 2 and 1), the pixel width alignment + * can ensure a line stride alignment of 16 bytes. For example, + * if bpp is 2, then the line stride can be 16 byte aligned if + * the width is 8 byte aligned + */ + w_align = order_base_2(VPDMA_DESC_ALIGN / depth_bytes); + + v4l_bound_align_image(&pix->width, MIN_W, MAX_W, w_align, &pix->height, MIN_H, MAX_H, H_ALIGN, S_ALIGN); @@ -1383,15 +1414,11 @@ static int __vpe_try_fmt(struct vpe_ctx *ctx, struct v4l2_format *f, } for (i = 0; i < pix->num_planes; i++) { - int depth; - plane_fmt = &pix->plane_fmt[i]; depth = fmt->vpdma_fmt[i]->depth; if (i == VPE_LUMA) - plane_fmt->bytesperline = - round_up((pix->width * depth) >> 3, - 1 << L_ALIGN); + plane_fmt->bytesperline = (pix->width * depth) >> 3; else plane_fmt->bytesperline = pix->width; @@ -1942,8 +1969,8 @@ static int vpe_probe(struct platform_device *pdev) int ret, irq, func; dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL); - if (IS_ERR(dev)) - return PTR_ERR(dev); + if (!dev) + return -ENOMEM; spin_lock_init(&dev->lock); @@ -1962,8 +1989,8 @@ static int vpe_probe(struct platform_device *pdev) * registers based on the sub block base addresses */ dev->base = devm_ioremap(&pdev->dev, res->start, SZ_32K); - if (IS_ERR(dev->base)) { - ret = PTR_ERR(dev->base); + if (!dev->base) { + ret = -ENOMEM; goto v4l2_dev_unreg; } @@ -2007,8 +2034,10 @@ static int vpe_probe(struct platform_device *pdev) vpe_top_vpdma_reset(dev); dev->vpdma = vpdma_create(pdev); - if (IS_ERR(dev->vpdma)) + if (IS_ERR(dev->vpdma)) { + ret = PTR_ERR(dev->vpdma); goto runtime_put; + } vfd = &dev->vfd; *vfd = vpe_videodev; @@ -2081,18 +2110,7 @@ static struct platform_driver vpe_pdrv = { }, }; -static void __exit vpe_exit(void) -{ - platform_driver_unregister(&vpe_pdrv); -} - -static int __init vpe_init(void) -{ - return platform_driver_register(&vpe_pdrv); -} - -module_init(vpe_init); -module_exit(vpe_exit); +module_platform_driver(vpe_pdrv); MODULE_DESCRIPTION("TI VPE driver"); MODULE_AUTHOR("Dale Farnsworth, <dale@farnsworth.org>"); diff --git a/drivers/media/platform/vsp1/Makefile b/drivers/media/platform/vsp1/Makefile index 4da226169e15..151cecd0ea25 100644 --- a/drivers/media/platform/vsp1/Makefile +++ b/drivers/media/platform/vsp1/Makefile @@ -1,5 +1,6 @@ vsp1-y := vsp1_drv.o vsp1_entity.o vsp1_video.o vsp1-y += vsp1_rpf.o vsp1_rwpf.o vsp1_wpf.o -vsp1-y += vsp1_lif.o vsp1_uds.o +vsp1-y += vsp1_hsit.o vsp1_lif.o vsp1_lut.o +vsp1-y += vsp1_sru.o vsp1_uds.o obj-$(CONFIG_VIDEO_RENESAS_VSP1) += vsp1.o diff --git a/drivers/media/platform/vsp1/vsp1.h b/drivers/media/platform/vsp1/vsp1.h index d6c6ecd039ff..94d1b02680c5 100644 --- a/drivers/media/platform/vsp1/vsp1.h +++ b/drivers/media/platform/vsp1/vsp1.h @@ -28,8 +28,11 @@ struct clk; struct device; struct vsp1_platform_data; +struct vsp1_hsit; struct vsp1_lif; +struct vsp1_lut; struct vsp1_rwpf; +struct vsp1_sru; struct vsp1_uds; #define VPS1_MAX_RPF 5 @@ -47,8 +50,12 @@ struct vsp1_device { struct mutex lock; int ref_count; + struct vsp1_hsit *hsi; + struct vsp1_hsit *hst; struct vsp1_lif *lif; + struct vsp1_lut *lut; struct vsp1_rwpf *rpf[VPS1_MAX_RPF]; + struct vsp1_sru *sru; struct vsp1_uds *uds[VPS1_MAX_UDS]; struct vsp1_rwpf *wpf[VPS1_MAX_WPF]; diff --git a/drivers/media/platform/vsp1/vsp1_drv.c b/drivers/media/platform/vsp1/vsp1_drv.c index d16bf0f41e24..0df0a994e575 100644 --- a/drivers/media/platform/vsp1/vsp1_drv.c +++ b/drivers/media/platform/vsp1/vsp1_drv.c @@ -20,8 +20,11 @@ #include <linux/videodev2.h> #include "vsp1.h" +#include "vsp1_hsit.h" #include "vsp1_lif.h" +#include "vsp1_lut.h" #include "vsp1_rwpf.h" +#include "vsp1_sru.h" #include "vsp1_uds.h" /* ----------------------------------------------------------------------------- @@ -152,6 +155,22 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) } /* Instantiate all the entities. */ + vsp1->hsi = vsp1_hsit_create(vsp1, true); + if (IS_ERR(vsp1->hsi)) { + ret = PTR_ERR(vsp1->hsi); + goto done; + } + + list_add_tail(&vsp1->hsi->entity.list_dev, &vsp1->entities); + + vsp1->hst = vsp1_hsit_create(vsp1, false); + if (IS_ERR(vsp1->hst)) { + ret = PTR_ERR(vsp1->hst); + goto done; + } + + list_add_tail(&vsp1->hst->entity.list_dev, &vsp1->entities); + if (vsp1->pdata->features & VSP1_HAS_LIF) { vsp1->lif = vsp1_lif_create(vsp1); if (IS_ERR(vsp1->lif)) { @@ -162,6 +181,16 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) list_add_tail(&vsp1->lif->entity.list_dev, &vsp1->entities); } + if (vsp1->pdata->features & VSP1_HAS_LUT) { + vsp1->lut = vsp1_lut_create(vsp1); + if (IS_ERR(vsp1->lut)) { + ret = PTR_ERR(vsp1->lut); + goto done; + } + + list_add_tail(&vsp1->lut->entity.list_dev, &vsp1->entities); + } + for (i = 0; i < vsp1->pdata->rpf_count; ++i) { struct vsp1_rwpf *rpf; @@ -175,6 +204,16 @@ static int vsp1_create_entities(struct vsp1_device *vsp1) list_add_tail(&rpf->entity.list_dev, &vsp1->entities); } + if (vsp1->pdata->features & VSP1_HAS_SRU) { + vsp1->sru = vsp1_sru_create(vsp1); + if (IS_ERR(vsp1->sru)) { + ret = PTR_ERR(vsp1->sru); + goto done; + } + + list_add_tail(&vsp1->sru->entity.list_dev, &vsp1->entities); + } + for (i = 0; i < vsp1->pdata->uds_count; ++i) { struct vsp1_uds *uds; diff --git a/drivers/media/platform/vsp1/vsp1_entity.c b/drivers/media/platform/vsp1/vsp1_entity.c index 9028f9d524f4..0226e47df6d9 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.c +++ b/drivers/media/platform/vsp1/vsp1_entity.c @@ -15,6 +15,7 @@ #include <linux/gfp.h> #include <media/media-entity.h> +#include <media/v4l2-ctrls.h> #include <media/v4l2-subdev.h> #include "vsp1.h" @@ -122,12 +123,16 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, unsigned int id; unsigned int reg; } routes[] = { + { VI6_DPR_NODE_HSI, VI6_DPR_HSI_ROUTE }, + { VI6_DPR_NODE_HST, VI6_DPR_HST_ROUTE }, { VI6_DPR_NODE_LIF, 0 }, + { VI6_DPR_NODE_LUT, VI6_DPR_LUT_ROUTE }, { VI6_DPR_NODE_RPF(0), VI6_DPR_RPF_ROUTE(0) }, { VI6_DPR_NODE_RPF(1), VI6_DPR_RPF_ROUTE(1) }, { VI6_DPR_NODE_RPF(2), VI6_DPR_RPF_ROUTE(2) }, { VI6_DPR_NODE_RPF(3), VI6_DPR_RPF_ROUTE(3) }, { VI6_DPR_NODE_RPF(4), VI6_DPR_RPF_ROUTE(4) }, + { VI6_DPR_NODE_SRU, VI6_DPR_SRU_ROUTE }, { VI6_DPR_NODE_UDS(0), VI6_DPR_UDS_ROUTE(0) }, { VI6_DPR_NODE_UDS(1), VI6_DPR_UDS_ROUTE(1) }, { VI6_DPR_NODE_UDS(2), VI6_DPR_UDS_ROUTE(2) }, @@ -177,5 +182,7 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity, void vsp1_entity_destroy(struct vsp1_entity *entity) { + if (entity->subdev.ctrl_handler) + v4l2_ctrl_handler_free(entity->subdev.ctrl_handler); media_entity_cleanup(&entity->subdev.entity); } diff --git a/drivers/media/platform/vsp1/vsp1_entity.h b/drivers/media/platform/vsp1/vsp1_entity.h index c4feab2cbb81..e152798d7f38 100644 --- a/drivers/media/platform/vsp1/vsp1_entity.h +++ b/drivers/media/platform/vsp1/vsp1_entity.h @@ -20,8 +20,12 @@ struct vsp1_device; enum vsp1_entity_type { + VSP1_ENTITY_HSI, + VSP1_ENTITY_HST, VSP1_ENTITY_LIF, + VSP1_ENTITY_LUT, VSP1_ENTITY_RPF, + VSP1_ENTITY_SRU, VSP1_ENTITY_UDS, VSP1_ENTITY_WPF, }; diff --git a/drivers/media/platform/vsp1/vsp1_hsit.c b/drivers/media/platform/vsp1/vsp1_hsit.c new file mode 100644 index 000000000000..285485350d82 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_hsit.c @@ -0,0 +1,222 @@ +/* + * vsp1_hsit.c -- R-Car VSP1 Hue Saturation value (Inverse) Transform + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_hsit.h" + +#define HSIT_MIN_SIZE 4U +#define HSIT_MAX_SIZE 8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_hsit_read(struct vsp1_hsit *hsit, u32 reg) +{ + return vsp1_read(hsit->entity.vsp1, reg); +} + +static inline void vsp1_hsit_write(struct vsp1_hsit *hsit, u32 reg, u32 data) +{ + vsp1_write(hsit->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +static int hsit_s_stream(struct v4l2_subdev *subdev, int enable) +{ + struct vsp1_hsit *hsit = to_hsit(subdev); + + if (!enable) + return 0; + + if (hsit->inverse) + vsp1_hsit_write(hsit, VI6_HSI_CTRL, VI6_HSI_CTRL_EN); + else + vsp1_hsit_write(hsit, VI6_HST_CTRL, VI6_HST_CTRL_EN); + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int hsit_enum_mbus_code(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct vsp1_hsit *hsit = to_hsit(subdev); + + if (code->index > 0) + return -EINVAL; + + if ((code->pad == HSIT_PAD_SINK && !hsit->inverse) | + (code->pad == HSIT_PAD_SOURCE && hsit->inverse)) + code->code = V4L2_MBUS_FMT_ARGB8888_1X32; + else + code->code = V4L2_MBUS_FMT_AHSV8888_1X32; + + return 0; +} + +static int hsit_enum_frame_size(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct v4l2_mbus_framefmt *format; + + format = v4l2_subdev_get_try_format(fh, fse->pad); + + if (fse->index || fse->code != format->code) + return -EINVAL; + + if (fse->pad == HSIT_PAD_SINK) { + fse->min_width = HSIT_MIN_SIZE; + fse->max_width = HSIT_MAX_SIZE; + fse->min_height = HSIT_MIN_SIZE; + fse->max_height = HSIT_MAX_SIZE; + } else { + /* The size on the source pad are fixed and always identical to + * the size on the sink pad. + */ + fse->min_width = format->width; + fse->max_width = format->width; + fse->min_height = format->height; + fse->max_height = format->height; + } + + return 0; +} + +static int hsit_get_format(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_hsit *hsit = to_hsit(subdev); + + fmt->format = *vsp1_entity_get_pad_format(&hsit->entity, fh, fmt->pad, + fmt->which); + + return 0; +} + +static int hsit_set_format(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_hsit *hsit = to_hsit(subdev); + struct v4l2_mbus_framefmt *format; + + format = vsp1_entity_get_pad_format(&hsit->entity, fh, fmt->pad, + fmt->which); + + if (fmt->pad == HSIT_PAD_SOURCE) { + /* The HST and HSI output format code and resolution can't be + * modified. + */ + fmt->format = *format; + return 0; + } + + format->code = hsit->inverse ? V4L2_MBUS_FMT_AHSV8888_1X32 + : V4L2_MBUS_FMT_ARGB8888_1X32; + format->width = clamp_t(unsigned int, fmt->format.width, + HSIT_MIN_SIZE, HSIT_MAX_SIZE); + format->height = clamp_t(unsigned int, fmt->format.height, + HSIT_MIN_SIZE, HSIT_MAX_SIZE); + format->field = V4L2_FIELD_NONE; + format->colorspace = V4L2_COLORSPACE_SRGB; + + fmt->format = *format; + + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(&hsit->entity, fh, HSIT_PAD_SOURCE, + fmt->which); + *format = fmt->format; + format->code = hsit->inverse ? V4L2_MBUS_FMT_ARGB8888_1X32 + : V4L2_MBUS_FMT_AHSV8888_1X32; + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_video_ops hsit_video_ops = { + .s_stream = hsit_s_stream, +}; + +static struct v4l2_subdev_pad_ops hsit_pad_ops = { + .enum_mbus_code = hsit_enum_mbus_code, + .enum_frame_size = hsit_enum_frame_size, + .get_fmt = hsit_get_format, + .set_fmt = hsit_set_format, +}; + +static struct v4l2_subdev_ops hsit_ops = { + .video = &hsit_video_ops, + .pad = &hsit_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse) +{ + struct v4l2_subdev *subdev; + struct vsp1_hsit *hsit; + int ret; + + hsit = devm_kzalloc(vsp1->dev, sizeof(*hsit), GFP_KERNEL); + if (hsit == NULL) + return ERR_PTR(-ENOMEM); + + hsit->inverse = inverse; + + if (inverse) { + hsit->entity.type = VSP1_ENTITY_HSI; + hsit->entity.id = VI6_DPR_NODE_HSI; + } else { + hsit->entity.type = VSP1_ENTITY_HST; + hsit->entity.id = VI6_DPR_NODE_HST; + } + + ret = vsp1_entity_init(vsp1, &hsit->entity, 2); + if (ret < 0) + return ERR_PTR(ret); + + /* Initialize the V4L2 subdev. */ + subdev = &hsit->entity.subdev; + v4l2_subdev_init(subdev, &hsit_ops); + + subdev->entity.ops = &vsp1_media_ops; + subdev->internal_ops = &vsp1_subdev_internal_ops; + snprintf(subdev->name, sizeof(subdev->name), "%s %s", + dev_name(vsp1->dev), inverse ? "hsi" : "hst"); + v4l2_set_subdevdata(subdev, hsit); + subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + vsp1_entity_init_formats(subdev, NULL); + + return hsit; +} diff --git a/drivers/media/platform/vsp1/vsp1_hsit.h b/drivers/media/platform/vsp1/vsp1_hsit.h new file mode 100644 index 000000000000..82f1c8426900 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_hsit.h @@ -0,0 +1,38 @@ +/* + * vsp1_hsit.h -- R-Car VSP1 Hue Saturation value (Inverse) Transform + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_HSIT_H__ +#define __VSP1_HSIT_H__ + +#include <media/media-entity.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define HSIT_PAD_SINK 0 +#define HSIT_PAD_SOURCE 1 + +struct vsp1_hsit { + struct vsp1_entity entity; + bool inverse; +}; + +static inline struct vsp1_hsit *to_hsit(struct v4l2_subdev *subdev) +{ + return container_of(subdev, struct vsp1_hsit, entity.subdev); +} + +struct vsp1_hsit *vsp1_hsit_create(struct vsp1_device *vsp1, bool inverse); + +#endif /* __VSP1_HSIT_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_lut.c b/drivers/media/platform/vsp1/vsp1_lut.c new file mode 100644 index 000000000000..4e9dc7c86ef8 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_lut.c @@ -0,0 +1,252 @@ +/* + * vsp1_lut.c -- R-Car VSP1 Look-Up Table + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> +#include <linux/vsp1.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_lut.h" + +#define LUT_MIN_SIZE 4U +#define LUT_MAX_SIZE 8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_lut_read(struct vsp1_lut *lut, u32 reg) +{ + return vsp1_read(lut->entity.vsp1, reg); +} + +static inline void vsp1_lut_write(struct vsp1_lut *lut, u32 reg, u32 data) +{ + vsp1_write(lut->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +static void lut_configure(struct vsp1_lut *lut, struct vsp1_lut_config *config) +{ + memcpy_toio(lut->entity.vsp1->mmio + VI6_LUT_TABLE, config->lut, + sizeof(config->lut)); +} + +static long lut_ioctl(struct v4l2_subdev *subdev, unsigned int cmd, void *arg) +{ + struct vsp1_lut *lut = to_lut(subdev); + + switch (cmd) { + case VIDIOC_VSP1_LUT_CONFIG: + lut_configure(lut, arg); + return 0; + + default: + return -ENOIOCTLCMD; + } +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Video Operations + */ + +static int lut_s_stream(struct v4l2_subdev *subdev, int enable) +{ + struct vsp1_lut *lut = to_lut(subdev); + + if (!enable) + return 0; + + vsp1_lut_write(lut, VI6_LUT_CTRL, VI6_LUT_CTRL_EN); + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int lut_enum_mbus_code(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + static const unsigned int codes[] = { + V4L2_MBUS_FMT_ARGB8888_1X32, + V4L2_MBUS_FMT_AHSV8888_1X32, + V4L2_MBUS_FMT_AYUV8_1X32, + }; + struct v4l2_mbus_framefmt *format; + + if (code->pad == LUT_PAD_SINK) { + if (code->index >= ARRAY_SIZE(codes)) + return -EINVAL; + + code->code = codes[code->index]; + } else { + /* The LUT can't perform format conversion, the sink format is + * always identical to the source format. + */ + if (code->index) + return -EINVAL; + + format = v4l2_subdev_get_try_format(fh, LUT_PAD_SINK); + code->code = format->code; + } + + return 0; +} + +static int lut_enum_frame_size(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct v4l2_mbus_framefmt *format; + + format = v4l2_subdev_get_try_format(fh, fse->pad); + + if (fse->index || fse->code != format->code) + return -EINVAL; + + if (fse->pad == LUT_PAD_SINK) { + fse->min_width = LUT_MIN_SIZE; + fse->max_width = LUT_MAX_SIZE; + fse->min_height = LUT_MIN_SIZE; + fse->max_height = LUT_MAX_SIZE; + } else { + /* The size on the source pad are fixed and always identical to + * the size on the sink pad. + */ + fse->min_width = format->width; + fse->max_width = format->width; + fse->min_height = format->height; + fse->max_height = format->height; + } + + return 0; +} + +static int lut_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_lut *lut = to_lut(subdev); + + fmt->format = *vsp1_entity_get_pad_format(&lut->entity, fh, fmt->pad, + fmt->which); + + return 0; +} + +static int lut_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_lut *lut = to_lut(subdev); + struct v4l2_mbus_framefmt *format; + + /* Default to YUV if the requested format is not supported. */ + if (fmt->format.code != V4L2_MBUS_FMT_ARGB8888_1X32 && + fmt->format.code != V4L2_MBUS_FMT_AHSV8888_1X32 && + fmt->format.code != V4L2_MBUS_FMT_AYUV8_1X32) + fmt->format.code = V4L2_MBUS_FMT_AYUV8_1X32; + + format = vsp1_entity_get_pad_format(&lut->entity, fh, fmt->pad, + fmt->which); + + if (fmt->pad == LUT_PAD_SOURCE) { + /* The LUT output format can't be modified. */ + fmt->format = *format; + return 0; + } + + format->width = clamp_t(unsigned int, fmt->format.width, + LUT_MIN_SIZE, LUT_MAX_SIZE); + format->height = clamp_t(unsigned int, fmt->format.height, + LUT_MIN_SIZE, LUT_MAX_SIZE); + format->field = V4L2_FIELD_NONE; + format->colorspace = V4L2_COLORSPACE_SRGB; + + fmt->format = *format; + + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(&lut->entity, fh, LUT_PAD_SOURCE, + fmt->which); + *format = fmt->format; + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_core_ops lut_core_ops = { + .ioctl = lut_ioctl, +}; + +static struct v4l2_subdev_video_ops lut_video_ops = { + .s_stream = lut_s_stream, +}; + +static struct v4l2_subdev_pad_ops lut_pad_ops = { + .enum_mbus_code = lut_enum_mbus_code, + .enum_frame_size = lut_enum_frame_size, + .get_fmt = lut_get_format, + .set_fmt = lut_set_format, +}; + +static struct v4l2_subdev_ops lut_ops = { + .core = &lut_core_ops, + .video = &lut_video_ops, + .pad = &lut_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1) +{ + struct v4l2_subdev *subdev; + struct vsp1_lut *lut; + int ret; + + lut = devm_kzalloc(vsp1->dev, sizeof(*lut), GFP_KERNEL); + if (lut == NULL) + return ERR_PTR(-ENOMEM); + + lut->entity.type = VSP1_ENTITY_LUT; + lut->entity.id = VI6_DPR_NODE_LUT; + + ret = vsp1_entity_init(vsp1, &lut->entity, 2); + if (ret < 0) + return ERR_PTR(ret); + + /* Initialize the V4L2 subdev. */ + subdev = &lut->entity.subdev; + v4l2_subdev_init(subdev, &lut_ops); + + subdev->entity.ops = &vsp1_media_ops; + subdev->internal_ops = &vsp1_subdev_internal_ops; + snprintf(subdev->name, sizeof(subdev->name), "%s lut", + dev_name(vsp1->dev)); + v4l2_set_subdevdata(subdev, lut); + subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + vsp1_entity_init_formats(subdev, NULL); + + return lut; +} diff --git a/drivers/media/platform/vsp1/vsp1_lut.h b/drivers/media/platform/vsp1/vsp1_lut.h new file mode 100644 index 000000000000..f92ffb867350 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_lut.h @@ -0,0 +1,38 @@ +/* + * vsp1_lut.h -- R-Car VSP1 Look-Up Table + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_LUT_H__ +#define __VSP1_LUT_H__ + +#include <media/media-entity.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define LUT_PAD_SINK 0 +#define LUT_PAD_SOURCE 1 + +struct vsp1_lut { + struct vsp1_entity entity; + u32 lut[256]; +}; + +static inline struct vsp1_lut *to_lut(struct v4l2_subdev *subdev) +{ + return container_of(subdev, struct vsp1_lut, entity.subdev); +} + +struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1); + +#endif /* __VSP1_LUT_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_regs.h b/drivers/media/platform/vsp1/vsp1_regs.h index 1d3304f1365b..28650806c20f 100644 --- a/drivers/media/platform/vsp1/vsp1_regs.h +++ b/drivers/media/platform/vsp1/vsp1_regs.h @@ -336,8 +336,21 @@ */ #define VI6_SRU_CTRL0 0x2200 +#define VI6_SRU_CTRL0_PARAM0_SHIFT 16 +#define VI6_SRU_CTRL0_PARAM1_SHIFT 8 +#define VI6_SRU_CTRL0_MODE_UPSCALE (4 << 4) +#define VI6_SRU_CTRL0_PARAM2 (1 << 3) +#define VI6_SRU_CTRL0_PARAM3 (1 << 2) +#define VI6_SRU_CTRL0_PARAM4 (1 << 1) +#define VI6_SRU_CTRL0_EN (1 << 0) + #define VI6_SRU_CTRL1 0x2204 +#define VI6_SRU_CTRL1_PARAM5 0x7ff + #define VI6_SRU_CTRL2 0x2208 +#define VI6_SRU_CTRL2_PARAM6_SHIFT 16 +#define VI6_SRU_CTRL2_PARAM7_SHIFT 8 +#define VI6_SRU_CTRL2_PARAM8_SHIFT 0 /* ----------------------------------------------------------------------------- * UDS Control Registers @@ -412,6 +425,7 @@ */ #define VI6_LUT_CTRL 0x2800 +#define VI6_LUT_CTRL_EN (1 << 0) /* ----------------------------------------------------------------------------- * CLU Control Registers @@ -424,12 +438,14 @@ */ #define VI6_HST_CTRL 0x2a00 +#define VI6_HST_CTRL_EN (1 << 0) /* ----------------------------------------------------------------------------- * HSI Control Registers */ #define VI6_HSI_CTRL 0x2b00 +#define VI6_HSI_CTRL_EN (1 << 0) /* ----------------------------------------------------------------------------- * BRU Control Registers diff --git a/drivers/media/platform/vsp1/vsp1_rpf.c b/drivers/media/platform/vsp1/vsp1_rpf.c index 254871d3423e..bce2be5466b9 100644 --- a/drivers/media/platform/vsp1/vsp1_rpf.c +++ b/drivers/media/platform/vsp1/vsp1_rpf.c @@ -47,25 +47,36 @@ static int rpf_s_stream(struct v4l2_subdev *subdev, int enable) struct vsp1_rwpf *rpf = to_rwpf(subdev); const struct vsp1_format_info *fmtinfo = rpf->video.fmtinfo; const struct v4l2_pix_format_mplane *format = &rpf->video.format; + const struct v4l2_rect *crop = &rpf->crop; u32 pstride; u32 infmt; if (!enable) return 0; - /* Source size and stride. Cropping isn't supported yet. */ + /* Source size, stride and crop offsets. + * + * The crop offsets correspond to the location of the crop rectangle top + * left corner in the plane buffer. Only two offsets are needed, as + * planes 2 and 3 always have identical strides. + */ vsp1_rpf_write(rpf, VI6_RPF_SRC_BSIZE, - (format->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | - (format->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); + (crop->width << VI6_RPF_SRC_BSIZE_BHSIZE_SHIFT) | + (crop->height << VI6_RPF_SRC_BSIZE_BVSIZE_SHIFT)); vsp1_rpf_write(rpf, VI6_RPF_SRC_ESIZE, - (format->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | - (format->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); + (crop->width << VI6_RPF_SRC_ESIZE_EHSIZE_SHIFT) | + (crop->height << VI6_RPF_SRC_ESIZE_EVSIZE_SHIFT)); + rpf->offsets[0] = crop->top * format->plane_fmt[0].bytesperline + + crop->left * fmtinfo->bpp[0] / 8; pstride = format->plane_fmt[0].bytesperline << VI6_RPF_SRCM_PSTRIDE_Y_SHIFT; - if (format->num_planes > 1) + if (format->num_planes > 1) { + rpf->offsets[1] = crop->top * format->plane_fmt[1].bytesperline + + crop->left * fmtinfo->bpp[1] / 8; pstride |= format->plane_fmt[1].bytesperline << VI6_RPF_SRCM_PSTRIDE_C_SHIFT; + } vsp1_rpf_write(rpf, VI6_RPF_SRCM_PSTRIDE, pstride); @@ -113,6 +124,8 @@ static struct v4l2_subdev_pad_ops rpf_pad_ops = { .enum_frame_size = vsp1_rwpf_enum_frame_size, .get_fmt = vsp1_rwpf_get_format, .set_fmt = vsp1_rwpf_set_format, + .get_selection = vsp1_rwpf_get_selection, + .set_selection = vsp1_rwpf_set_selection, }; static struct v4l2_subdev_ops rpf_ops = { @@ -129,11 +142,14 @@ static void rpf_vdev_queue(struct vsp1_video *video, { struct vsp1_rwpf *rpf = container_of(video, struct vsp1_rwpf, video); - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, buf->addr[0]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_Y, + buf->addr[0] + rpf->offsets[0]); if (buf->buf.num_planes > 1) - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, buf->addr[1]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C0, + buf->addr[1] + rpf->offsets[1]); if (buf->buf.num_planes > 2) - vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, buf->addr[2]); + vsp1_rpf_write(rpf, VI6_RPF_SRCM_ADDR_C1, + buf->addr[2] + rpf->offsets[1]); } static const struct vsp1_video_operations rpf_vdev_ops = { diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.c b/drivers/media/platform/vsp1/vsp1_rwpf.c index 9752d5516ceb..782f770daee5 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.c +++ b/drivers/media/platform/vsp1/vsp1_rwpf.c @@ -71,6 +71,19 @@ int vsp1_rwpf_enum_frame_size(struct v4l2_subdev *subdev, return 0; } +static struct v4l2_rect * +vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf, struct v4l2_subdev_fh *fh, u32 which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_get_try_crop(fh, RWPF_PAD_SINK); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &rwpf->crop; + default: + return NULL; + } +} + int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt) { @@ -87,6 +100,7 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, { struct vsp1_rwpf *rwpf = to_rwpf(subdev); struct v4l2_mbus_framefmt *format; + struct v4l2_rect *crop; /* Default to YUV if the requested format is not supported. */ if (fmt->format.code != V4L2_MBUS_FMT_ARGB8888_1X32 && @@ -115,6 +129,13 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, fmt->format = *format; + /* Update the sink crop rectangle. */ + crop = vsp1_rwpf_get_crop(rwpf, fh, fmt->which); + crop->left = 0; + crop->top = 0; + crop->width = fmt->format.width; + crop->height = fmt->format.height; + /* Propagate the format to the source pad. */ format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE, fmt->which); @@ -122,3 +143,78 @@ int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, return 0; } + +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct vsp1_rwpf *rwpf = to_rwpf(subdev); + struct v4l2_mbus_framefmt *format; + + /* Cropping is implemented on the sink pad. */ + if (sel->pad != RWPF_PAD_SINK) + return -EINVAL; + + switch (sel->target) { + case V4L2_SEL_TGT_CROP: + sel->r = *vsp1_rwpf_get_crop(rwpf, fh, sel->which); + break; + + case V4L2_SEL_TGT_CROP_BOUNDS: + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, + RWPF_PAD_SINK, sel->which); + sel->r.left = 0; + sel->r.top = 0; + sel->r.width = format->width; + sel->r.height = format->height; + break; + + default: + return -EINVAL; + } + + return 0; +} + +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel) +{ + struct vsp1_rwpf *rwpf = to_rwpf(subdev); + struct v4l2_mbus_framefmt *format; + struct v4l2_rect *crop; + + /* Cropping is implemented on the sink pad. */ + if (sel->pad != RWPF_PAD_SINK) + return -EINVAL; + + if (sel->target != V4L2_SEL_TGT_CROP) + return -EINVAL; + + /* Make sure the crop rectangle is entirely contained in the image. The + * WPF top and left offsets are limited to 255. + */ + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SINK, + sel->which); + sel->r.left = min_t(unsigned int, sel->r.left, format->width - 2); + sel->r.top = min_t(unsigned int, sel->r.top, format->height - 2); + if (rwpf->entity.type == VSP1_ENTITY_WPF) { + sel->r.left = min_t(unsigned int, sel->r.left, 255); + sel->r.top = min_t(unsigned int, sel->r.top, 255); + } + sel->r.width = min_t(unsigned int, sel->r.width, + format->width - sel->r.left); + sel->r.height = min_t(unsigned int, sel->r.height, + format->height - sel->r.top); + + crop = vsp1_rwpf_get_crop(rwpf, fh, sel->which); + *crop = sel->r; + + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(&rwpf->entity, fh, RWPF_PAD_SOURCE, + sel->which); + format->width = crop->width; + format->height = crop->height; + + return 0; +} diff --git a/drivers/media/platform/vsp1/vsp1_rwpf.h b/drivers/media/platform/vsp1/vsp1_rwpf.h index c182d85f36b3..6cbdb547470b 100644 --- a/drivers/media/platform/vsp1/vsp1_rwpf.h +++ b/drivers/media/platform/vsp1/vsp1_rwpf.h @@ -29,6 +29,10 @@ struct vsp1_rwpf { unsigned int max_width; unsigned int max_height; + + struct v4l2_rect crop; + + unsigned int offsets[2]; }; static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev) @@ -49,5 +53,11 @@ int vsp1_rwpf_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt); int vsp1_rwpf_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, struct v4l2_subdev_format *fmt); +int vsp1_rwpf_get_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel); +int vsp1_rwpf_set_selection(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_selection *sel); #endif /* __VSP1_RWPF_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_sru.c b/drivers/media/platform/vsp1/vsp1_sru.c new file mode 100644 index 000000000000..7ab1a0b2d656 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_sru.c @@ -0,0 +1,356 @@ +/* + * vsp1_sru.c -- R-Car VSP1 Super Resolution Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/device.h> +#include <linux/gfp.h> + +#include <media/v4l2-subdev.h> + +#include "vsp1.h" +#include "vsp1_sru.h" + +#define SRU_MIN_SIZE 4U +#define SRU_MAX_SIZE 8190U + +/* ----------------------------------------------------------------------------- + * Device Access + */ + +static inline u32 vsp1_sru_read(struct vsp1_sru *sru, u32 reg) +{ + return vsp1_read(sru->entity.vsp1, reg); +} + +static inline void vsp1_sru_write(struct vsp1_sru *sru, u32 reg, u32 data) +{ + vsp1_write(sru->entity.vsp1, reg, data); +} + +/* ----------------------------------------------------------------------------- + * Controls + */ + +#define V4L2_CID_VSP1_SRU_INTENSITY (V4L2_CID_USER_BASE + 1) + +static int sru_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct vsp1_sru *sru = + container_of(ctrl->handler, struct vsp1_sru, ctrls); + + switch (ctrl->id) { + case V4L2_CID_VSP1_SRU_INTENSITY: + sru->intensity = ctrl->val; + break; + } + + return 0; +} + +static const struct v4l2_ctrl_ops sru_ctrl_ops = { + .s_ctrl = sru_s_ctrl, +}; + +static const struct v4l2_ctrl_config sru_intensity_control = { + .ops = &sru_ctrl_ops, + .id = V4L2_CID_VSP1_SRU_INTENSITY, + .name = "Intensity", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 1, + .max = 6, + .step = 1, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Core Operations + */ + +struct vsp1_sru_param { + u32 ctrl0; + u32 ctrl2; +}; + +#define VI6_SRU_CTRL0_PARAMS(p0, p1) \ + (((p0) << VI6_SRU_CTRL0_PARAM0_SHIFT) | \ + ((p1) << VI6_SRU_CTRL0_PARAM1_SHIFT)) + +#define VI6_SRU_CTRL2_PARAMS(p6, p7, p8) \ + (((p6) << VI6_SRU_CTRL2_PARAM6_SHIFT) | \ + ((p7) << VI6_SRU_CTRL2_PARAM7_SHIFT) | \ + ((p8) << VI6_SRU_CTRL2_PARAM8_SHIFT)) + +static const struct vsp1_sru_param vsp1_sru_params[] = { + { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(256, 4) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(24, 40, 255), + }, { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(256, 4) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(8, 16, 255), + }, { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(384, 5) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(36, 60, 255), + }, { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(384, 5) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(12, 27, 255), + }, { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(511, 6) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(48, 80, 255), + }, { + .ctrl0 = VI6_SRU_CTRL0_PARAMS(511, 6) | VI6_SRU_CTRL0_EN, + .ctrl2 = VI6_SRU_CTRL2_PARAMS(16, 36, 255), + }, +}; + +static int sru_s_stream(struct v4l2_subdev *subdev, int enable) +{ + struct vsp1_sru *sru = to_sru(subdev); + const struct vsp1_sru_param *param; + struct v4l2_mbus_framefmt *input; + struct v4l2_mbus_framefmt *output; + bool upscale; + u32 ctrl0; + + if (!enable) + return 0; + + input = &sru->entity.formats[SRU_PAD_SINK]; + output = &sru->entity.formats[SRU_PAD_SOURCE]; + upscale = input->width != output->width; + param = &vsp1_sru_params[sru->intensity]; + + if (input->code == V4L2_MBUS_FMT_ARGB8888_1X32) + ctrl0 = VI6_SRU_CTRL0_PARAM2 | VI6_SRU_CTRL0_PARAM3 + | VI6_SRU_CTRL0_PARAM4; + else + ctrl0 = VI6_SRU_CTRL0_PARAM3; + + vsp1_sru_write(sru, VI6_SRU_CTRL0, param->ctrl0 | ctrl0 | + (upscale ? VI6_SRU_CTRL0_MODE_UPSCALE : 0)); + vsp1_sru_write(sru, VI6_SRU_CTRL1, VI6_SRU_CTRL1_PARAM5); + vsp1_sru_write(sru, VI6_SRU_CTRL2, param->ctrl2); + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Pad Operations + */ + +static int sru_enum_mbus_code(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + static const unsigned int codes[] = { + V4L2_MBUS_FMT_ARGB8888_1X32, + V4L2_MBUS_FMT_AYUV8_1X32, + }; + struct v4l2_mbus_framefmt *format; + + if (code->pad == SRU_PAD_SINK) { + if (code->index >= ARRAY_SIZE(codes)) + return -EINVAL; + + code->code = codes[code->index]; + } else { + /* The SRU can't perform format conversion, the sink format is + * always identical to the source format. + */ + if (code->index) + return -EINVAL; + + format = v4l2_subdev_get_try_format(fh, SRU_PAD_SINK); + code->code = format->code; + } + + return 0; +} + +static int sru_enum_frame_size(struct v4l2_subdev *subdev, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct v4l2_mbus_framefmt *format; + + format = v4l2_subdev_get_try_format(fh, SRU_PAD_SINK); + + if (fse->index || fse->code != format->code) + return -EINVAL; + + if (fse->pad == SRU_PAD_SINK) { + fse->min_width = SRU_MIN_SIZE; + fse->max_width = SRU_MAX_SIZE; + fse->min_height = SRU_MIN_SIZE; + fse->max_height = SRU_MAX_SIZE; + } else { + fse->min_width = format->width; + fse->min_height = format->height; + if (format->width <= SRU_MAX_SIZE / 2 && + format->height <= SRU_MAX_SIZE / 2) { + fse->max_width = format->width * 2; + fse->max_height = format->height * 2; + } else { + fse->max_width = format->width; + fse->max_height = format->height; + } + } + + return 0; +} + +static int sru_get_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_sru *sru = to_sru(subdev); + + fmt->format = *vsp1_entity_get_pad_format(&sru->entity, fh, fmt->pad, + fmt->which); + + return 0; +} + +static void sru_try_format(struct vsp1_sru *sru, struct v4l2_subdev_fh *fh, + unsigned int pad, struct v4l2_mbus_framefmt *fmt, + enum v4l2_subdev_format_whence which) +{ + struct v4l2_mbus_framefmt *format; + unsigned int input_area; + unsigned int output_area; + + switch (pad) { + case SRU_PAD_SINK: + /* Default to YUV if the requested format is not supported. */ + if (fmt->code != V4L2_MBUS_FMT_ARGB8888_1X32 && + fmt->code != V4L2_MBUS_FMT_AYUV8_1X32) + fmt->code = V4L2_MBUS_FMT_AYUV8_1X32; + + fmt->width = clamp(fmt->width, SRU_MIN_SIZE, SRU_MAX_SIZE); + fmt->height = clamp(fmt->height, SRU_MIN_SIZE, SRU_MAX_SIZE); + break; + + case SRU_PAD_SOURCE: + /* The SRU can't perform format conversion. */ + format = vsp1_entity_get_pad_format(&sru->entity, fh, + SRU_PAD_SINK, which); + fmt->code = format->code; + + /* We can upscale by 2 in both direction, but not independently. + * Compare the input and output rectangles areas (avoiding + * integer overflows on the output): if the requested output + * area is larger than 1.5^2 the input area upscale by two, + * otherwise don't scale. + */ + input_area = format->width * format->height; + output_area = min(fmt->width, SRU_MAX_SIZE) + * min(fmt->height, SRU_MAX_SIZE); + + if (fmt->width <= SRU_MAX_SIZE / 2 && + fmt->height <= SRU_MAX_SIZE / 2 && + output_area > input_area * 9 / 4) { + fmt->width = format->width * 2; + fmt->height = format->height * 2; + } else { + fmt->width = format->width; + fmt->height = format->height; + } + break; + } + + fmt->field = V4L2_FIELD_NONE; + fmt->colorspace = V4L2_COLORSPACE_SRGB; +} + +static int sru_set_format(struct v4l2_subdev *subdev, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct vsp1_sru *sru = to_sru(subdev); + struct v4l2_mbus_framefmt *format; + + sru_try_format(sru, fh, fmt->pad, &fmt->format, fmt->which); + + format = vsp1_entity_get_pad_format(&sru->entity, fh, fmt->pad, + fmt->which); + *format = fmt->format; + + if (fmt->pad == SRU_PAD_SINK) { + /* Propagate the format to the source pad. */ + format = vsp1_entity_get_pad_format(&sru->entity, fh, + SRU_PAD_SOURCE, fmt->which); + *format = fmt->format; + + sru_try_format(sru, fh, SRU_PAD_SOURCE, format, fmt->which); + } + + return 0; +} + +/* ----------------------------------------------------------------------------- + * V4L2 Subdevice Operations + */ + +static struct v4l2_subdev_video_ops sru_video_ops = { + .s_stream = sru_s_stream, +}; + +static struct v4l2_subdev_pad_ops sru_pad_ops = { + .enum_mbus_code = sru_enum_mbus_code, + .enum_frame_size = sru_enum_frame_size, + .get_fmt = sru_get_format, + .set_fmt = sru_set_format, +}; + +static struct v4l2_subdev_ops sru_ops = { + .video = &sru_video_ops, + .pad = &sru_pad_ops, +}; + +/* ----------------------------------------------------------------------------- + * Initialization and Cleanup + */ + +struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1) +{ + struct v4l2_subdev *subdev; + struct vsp1_sru *sru; + int ret; + + sru = devm_kzalloc(vsp1->dev, sizeof(*sru), GFP_KERNEL); + if (sru == NULL) + return ERR_PTR(-ENOMEM); + + sru->entity.type = VSP1_ENTITY_SRU; + sru->entity.id = VI6_DPR_NODE_SRU; + + ret = vsp1_entity_init(vsp1, &sru->entity, 2); + if (ret < 0) + return ERR_PTR(ret); + + /* Initialize the V4L2 subdev. */ + subdev = &sru->entity.subdev; + v4l2_subdev_init(subdev, &sru_ops); + + subdev->entity.ops = &vsp1_media_ops; + subdev->internal_ops = &vsp1_subdev_internal_ops; + snprintf(subdev->name, sizeof(subdev->name), "%s sru", + dev_name(vsp1->dev)); + v4l2_set_subdevdata(subdev, sru); + subdev->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + vsp1_entity_init_formats(subdev, NULL); + + /* Initialize the control handler. */ + v4l2_ctrl_handler_init(&sru->ctrls, 1); + v4l2_ctrl_new_custom(&sru->ctrls, &sru_intensity_control, NULL); + v4l2_ctrl_handler_setup(&sru->ctrls); + sru->entity.subdev.ctrl_handler = &sru->ctrls; + + return sru; +} diff --git a/drivers/media/platform/vsp1/vsp1_sru.h b/drivers/media/platform/vsp1/vsp1_sru.h new file mode 100644 index 000000000000..381870b74780 --- /dev/null +++ b/drivers/media/platform/vsp1/vsp1_sru.h @@ -0,0 +1,41 @@ +/* + * vsp1_sru.h -- R-Car VSP1 Super Resolution Unit + * + * Copyright (C) 2013 Renesas Corporation + * + * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ +#ifndef __VSP1_SRU_H__ +#define __VSP1_SRU_H__ + +#include <media/media-entity.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-subdev.h> + +#include "vsp1_entity.h" + +struct vsp1_device; + +#define SRU_PAD_SINK 0 +#define SRU_PAD_SOURCE 1 + +struct vsp1_sru { + struct vsp1_entity entity; + + struct v4l2_ctrl_handler ctrls; + unsigned int intensity; +}; + +static inline struct vsp1_sru *to_sru(struct v4l2_subdev *subdev) +{ + return container_of(subdev, struct vsp1_sru, entity.subdev); +} + +struct vsp1_sru *vsp1_sru_create(struct vsp1_device *vsp1); + +#endif /* __VSP1_SRU_H__ */ diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c index 4b0ac07af662..b4687a834f85 100644 --- a/drivers/media/platform/vsp1/vsp1_video.c +++ b/drivers/media/platform/vsp1/vsp1_video.c @@ -488,11 +488,17 @@ static bool vsp1_pipeline_ready(struct vsp1_pipeline *pipe) * This function completes the current buffer by filling its sequence number, * time stamp and payload size, and hands it back to the videobuf core. * + * When operating in DU output mode (deep pipeline to the DU through the LIF), + * the VSP1 needs to constantly supply frames to the display. In that case, if + * no other buffer is queued, reuse the one that has just been processed instead + * of handing it back to the videobuf core. + * * Return the next queued buffer or NULL if the queue is empty. */ static struct vsp1_video_buffer * vsp1_video_complete_buffer(struct vsp1_video *video) { + struct vsp1_pipeline *pipe = to_vsp1_pipeline(&video->video.entity); struct vsp1_video_buffer *next = NULL; struct vsp1_video_buffer *done; unsigned long flags; @@ -507,6 +513,13 @@ vsp1_video_complete_buffer(struct vsp1_video *video) done = list_first_entry(&video->irqqueue, struct vsp1_video_buffer, queue); + + /* In DU output mode reuse the buffer if the list is singular. */ + if (pipe->lif && list_is_singular(&video->irqqueue)) { + spin_unlock_irqrestore(&video->irqlock, flags); + return done; + } + list_del(&done->queue); if (!list_empty(&video->irqqueue)) diff --git a/drivers/media/platform/vsp1/vsp1_wpf.c b/drivers/media/platform/vsp1/vsp1_wpf.c index db4b85ee05fc..7baed81ff005 100644 --- a/drivers/media/platform/vsp1/vsp1_wpf.c +++ b/drivers/media/platform/vsp1/vsp1_wpf.c @@ -48,8 +48,7 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) struct vsp1_pipeline *pipe = to_vsp1_pipeline(&wpf->entity.subdev.entity); struct vsp1_device *vsp1 = wpf->entity.vsp1; - const struct v4l2_mbus_framefmt *format = - &wpf->entity.formats[RWPF_PAD_SOURCE]; + const struct v4l2_rect *crop = &wpf->crop; unsigned int i; u32 srcrpf = 0; u32 outfmt = 0; @@ -68,7 +67,7 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) vsp1_wpf_write(wpf, VI6_WPF_SRCRPF, srcrpf); - /* Destination stride. Cropping isn't supported yet. */ + /* Destination stride. */ if (!pipe->lif) { struct v4l2_pix_format_mplane *format = &wpf->video.format; @@ -79,10 +78,12 @@ static int wpf_s_stream(struct v4l2_subdev *subdev, int enable) format->plane_fmt[1].bytesperline); } - vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, - format->width << VI6_WPF_SZCLIP_SIZE_SHIFT); - vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, - format->height << VI6_WPF_SZCLIP_SIZE_SHIFT); + vsp1_wpf_write(wpf, VI6_WPF_HSZCLIP, VI6_WPF_SZCLIP_EN | + (crop->left << VI6_WPF_SZCLIP_OFST_SHIFT) | + (crop->width << VI6_WPF_SZCLIP_SIZE_SHIFT)); + vsp1_wpf_write(wpf, VI6_WPF_VSZCLIP, VI6_WPF_SZCLIP_EN | + (crop->top << VI6_WPF_SZCLIP_OFST_SHIFT) | + (crop->height << VI6_WPF_SZCLIP_SIZE_SHIFT)); /* Format */ if (!pipe->lif) { @@ -130,6 +131,8 @@ static struct v4l2_subdev_pad_ops wpf_pad_ops = { .enum_frame_size = vsp1_rwpf_enum_frame_size, .get_fmt = vsp1_rwpf_get_format, .set_fmt = vsp1_rwpf_set_format, + .get_selection = vsp1_rwpf_get_selection, + .set_selection = vsp1_rwpf_set_selection, }; static struct v4l2_subdev_ops wpf_ops = { diff --git a/drivers/media/rc/keymaps/Makefile b/drivers/media/rc/keymaps/Makefile index b1cde8c0422b..0b8c54919010 100644 --- a/drivers/media/rc/keymaps/Makefile +++ b/drivers/media/rc/keymaps/Makefile @@ -98,4 +98,5 @@ obj-$(CONFIG_RC_MAP) += rc-adstech-dvb-t-pci.o \ rc-videomate-s350.o \ rc-videomate-tv-pvr.o \ rc-winfast.o \ - rc-winfast-usbii-deluxe.o + rc-winfast-usbii-deluxe.o \ + rc-su3000.o diff --git a/drivers/media/rc/keymaps/rc-su3000.c b/drivers/media/rc/keymaps/rc-su3000.c new file mode 100644 index 000000000000..8dbd3e9bc951 --- /dev/null +++ b/drivers/media/rc/keymaps/rc-su3000.c @@ -0,0 +1,75 @@ +/* rc-su3000.h - Keytable for Geniatech HDStar Remote Controller + * + * Copyright (c) 2013 by Evgeny Plehov <Evgeny Plehov@ukr.net> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <media/rc-map.h> +#include <linux/module.h> + +static struct rc_map_table su3000[] = { + { 0x25, KEY_POWER }, /* right-bottom Red */ + { 0x0a, KEY_MUTE }, /* -/-- */ + { 0x01, KEY_1 }, + { 0x02, KEY_2 }, + { 0x03, KEY_3 }, + { 0x04, KEY_4 }, + { 0x05, KEY_5 }, + { 0x06, KEY_6 }, + { 0x07, KEY_7 }, + { 0x08, KEY_8 }, + { 0x09, KEY_9 }, + { 0x00, KEY_0 }, + { 0x20, KEY_UP }, /* CH+ */ + { 0x21, KEY_DOWN }, /* CH+ */ + { 0x12, KEY_VOLUMEUP }, /* Brightness Up */ + { 0x13, KEY_VOLUMEDOWN },/* Brightness Down */ + { 0x1f, KEY_RECORD }, + { 0x17, KEY_PLAY }, + { 0x16, KEY_PAUSE }, + { 0x0b, KEY_STOP }, + { 0x27, KEY_FASTFORWARD },/* >> */ + { 0x26, KEY_REWIND }, /* << */ + { 0x0d, KEY_OK }, /* Mute */ + { 0x11, KEY_LEFT }, /* VOL- */ + { 0x10, KEY_RIGHT }, /* VOL+ */ + { 0x29, KEY_BACK }, /* button under 9 */ + { 0x2c, KEY_MENU }, /* TTX */ + { 0x2b, KEY_EPG }, /* EPG */ + { 0x1e, KEY_RED }, /* OSD */ + { 0x0e, KEY_GREEN }, /* Window */ + { 0x2d, KEY_YELLOW }, /* button under << */ + { 0x0f, KEY_BLUE }, /* bottom yellow button */ + { 0x14, KEY_AUDIO }, /* Snapshot */ + { 0x38, KEY_TV }, /* TV/Radio */ + { 0x0c, KEY_ESC } /* upper Red button */ +}; + +static struct rc_map_list su3000_map = { + .map = { + .scan = su3000, + .size = ARRAY_SIZE(su3000), + .rc_type = RC_TYPE_RC5, + .name = RC_MAP_SU3000, + } +}; + +static int __init init_rc_map_su3000(void) +{ + return rc_map_register(&su3000_map); +} + +static void __exit exit_rc_map_su3000(void) +{ + rc_map_unregister(&su3000_map); +} + +module_init(init_rc_map_su3000) +module_exit(exit_rc_map_su3000) + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Evgeny Plehov <Evgeny Plehov@ukr.net>"); diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 3c761014d3ce..a25bb1581e46 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -199,6 +199,7 @@ static bool debug; #define VENDOR_TIVO 0x105a #define VENDOR_CONEXANT 0x0572 #define VENDOR_TWISTEDMELON 0x2596 +#define VENDOR_HAUPPAUGE 0x2040 enum mceusb_model_type { MCE_GEN2 = 0, /* Most boards */ @@ -210,6 +211,7 @@ enum mceusb_model_type { MULTIFUNCTION, TIVO_KIT, MCE_GEN2_NO_TX, + HAUPPAUGE_CX_HYBRID_TV, }; struct mceusb_model { @@ -258,6 +260,11 @@ static const struct mceusb_model mceusb_model[] = { .no_tx = 1, /* tx isn't wired up at all */ .name = "Conexant Hybrid TV (cx231xx) MCE IR", }, + [HAUPPAUGE_CX_HYBRID_TV] = { + .rc_map = RC_MAP_HAUPPAUGE, + .no_tx = 1, /* eeprom says it has no tx */ + .name = "Conexant Hybrid TV (cx231xx) MCE IR no TX", + }, [MULTIFUNCTION] = { .mce_gen2 = 1, .ir_intfnum = 2, @@ -399,6 +406,9 @@ static struct usb_device_id mceusb_dev_table[] = { { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8016) }, /* Twisted Melon Inc. - Manta Transceiver */ { USB_DEVICE(VENDOR_TWISTEDMELON, 0x8042) }, + /* Hauppauge WINTV-HVR-HVR 930C-HD - based on cx231xx */ + { USB_DEVICE(VENDOR_HAUPPAUGE, 0xb130), + .driver_info = HAUPPAUGE_CX_HYBRID_TV }, /* Terminating entry */ { } }; diff --git a/drivers/media/usb/dvb-usb-v2/az6007.c b/drivers/media/usb/dvb-usb-v2/az6007.c index 44c64ef361bf..c1051c347744 100644 --- a/drivers/media/usb/dvb-usb-v2/az6007.c +++ b/drivers/media/usb/dvb-usb-v2/az6007.c @@ -68,6 +68,19 @@ static struct drxk_config terratec_h7_drxk = { .microcode_name = "dvb-usb-terratec-h7-drxk.fw", }; +static struct drxk_config cablestar_hdci_drxk = { + .adr = 0x29, + .parallel_ts = true, + .dynamic_clk = true, + .single_master = true, + .enable_merr_cfg = true, + .no_i2c_bridge = false, + .chunk_size = 64, + .mpeg_out_clk_strength = 0x02, + .qam_demod_parameter_count = 2, + .microcode_name = "dvb-usb-technisat-cablestar-hdci-drxk.fw", +}; + static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable) { struct az6007_device_state *st = fe_to_priv(fe); @@ -630,6 +643,27 @@ static int az6007_frontend_attach(struct dvb_usb_adapter *adap) return 0; } +static int az6007_cablestar_hdci_frontend_attach(struct dvb_usb_adapter *adap) +{ + struct az6007_device_state *st = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + + pr_debug("attaching demod drxk\n"); + + adap->fe[0] = dvb_attach(drxk_attach, &cablestar_hdci_drxk, + &d->i2c_adap); + if (!adap->fe[0]) + return -EINVAL; + + adap->fe[0]->sec_priv = adap; + st->gate_ctrl = adap->fe[0]->ops.i2c_gate_ctrl; + adap->fe[0]->ops.i2c_gate_ctrl = drxk_gate_ctrl; + + az6007_ci_init(adap); + + return 0; +} + static int az6007_tuner_attach(struct dvb_usb_adapter *adap) { struct dvb_usb_device *d = adap_to_d(adap); @@ -868,6 +902,29 @@ static struct dvb_usb_device_properties az6007_props = { } }; +static struct dvb_usb_device_properties az6007_cablestar_hdci_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .firmware = AZ6007_FIRMWARE, + + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct az6007_device_state), + .i2c_algo = &az6007_i2c_algo, + .tuner_attach = az6007_tuner_attach, + .frontend_attach = az6007_cablestar_hdci_frontend_attach, + .streaming_ctrl = az6007_streaming_ctrl, +/* ditch get_rc_config as it can't work (TS35 remote, I believe it's rc5) */ + .get_rc_config = NULL, + .read_mac_address = az6007_read_mac_addr, + .download_firmware = az6007_download_firmware, + .identify_state = az6007_identify_state, + .power_ctrl = az6007_power_ctrl, + .num_adapters = 1, + .adapter = { + { .stream = DVB_USB_STREAM_BULK(0x02, 10, 4096), } + } +}; + static struct usb_device_id az6007_usb_table[] = { {DVB_USB_DEVICE(USB_VID_AZUREWAVE, USB_PID_AZUREWAVE_6007, &az6007_props, "Azurewave 6007", RC_MAP_EMPTY)}, @@ -875,6 +932,8 @@ static struct usb_device_id az6007_usb_table[] = { &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)}, {DVB_USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_H7_2, &az6007_props, "Terratec H7", RC_MAP_NEC_TERRATEC_CINERGY_XS)}, + {DVB_USB_DEVICE(USB_VID_TECHNISAT, USB_PID_TECHNISAT_USB2_CABLESTAR_HDCI, + &az6007_cablestar_hdci_props, "Technisat CableStar Combo HD CI", RC_MAP_EMPTY)}, {0}, }; diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 20e345d9fe8f..a1c641e18362 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -149,6 +149,7 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret; int i; if (mutex_lock_interruptible(&d->i2c_mutex) < 0) @@ -173,7 +174,8 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (1 + msg[i].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[i].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = 0; obuf[1] = msg[i].len; @@ -193,12 +195,14 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (3 + msg[i].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[i].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } if (1 + msg[i + 1].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[i + 1].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[i].len; obuf[1] = msg[i+1].len; @@ -223,7 +227,8 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (2 + msg[i].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[i].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[i].addr; obuf[1] = msg[i].len; @@ -237,8 +242,14 @@ static int cxusb_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], } } + if (i == num) + ret = num; + else + ret = -EREMOTEIO; + +unlock: mutex_unlock(&d->i2c_mutex); - return i == num ? num : -EREMOTEIO; + return ret; } static u32 cxusb_i2c_func(struct i2c_adapter *adapter) diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c index c1a63b2a6baa..ae0f56a32e4d 100644 --- a/drivers/media/usb/dvb-usb/dw2102.c +++ b/drivers/media/usb/dvb-usb/dw2102.c @@ -2,7 +2,7 @@ * DVBWorld DVB-S 2101, 2102, DVB-S2 2104, DVB-C 3101, * TeVii S600, S630, S650, S660, S480, S421, S632 * Prof 1100, 7500, - * Geniatech SU3000 Cards + * Geniatech SU3000, T220 Cards * Copyright (C) 2008-2012 Igor M. Liplianin (liplianin@me.by) * * This program is free software; you can redistribute it and/or modify it @@ -29,6 +29,8 @@ #include "stb6100.h" #include "stb6100_proc.h" #include "m88rs2000.h" +#include "tda18271.h" +#include "cxd2820r.h" /* Max transfer size done by I2C transfer functions */ #define MAX_XFER_SIZE 64 @@ -110,11 +112,6 @@ "Please see linux/Documentation/dvb/ for more details " \ "on firmware-problems." -struct rc_map_dvb_usb_table_table { - struct rc_map_table *rc_keys; - int rc_keys_size; -}; - struct su3000_state { u8 initialized; }; @@ -129,12 +126,6 @@ module_param_named(debug, dvb_usb_dw2102_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info 2=xfer 4=rc(or-able))." DVB_USB_DEBUG_STATUS); -/* keymaps */ -static int ir_keymap; -module_param_named(keymap, ir_keymap, int, 0644); -MODULE_PARM_DESC(keymap, "set keymap 0=default 1=dvbworld 2=tevii 3=tbs ..." - " 256=none"); - /* demod probe */ static int demod_probe = 1; module_param_named(demod, demod_probe, int, 0644); @@ -301,6 +292,7 @@ static int dw2102_serit_i2c_transfer(struct i2c_adapter *adap, static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret; if (!d) return -ENODEV; @@ -316,7 +308,8 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms if (2 + msg[1].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[1].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[0].addr << 1; @@ -340,7 +333,8 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms if (2 + msg[0].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[1].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[0].addr << 1; @@ -357,7 +351,8 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms if (2 + msg[0].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[1].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[0].addr << 1; @@ -386,15 +381,17 @@ static int dw2102_earda_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg ms break; } + ret = num; +unlock: mutex_unlock(&d->i2c_mutex); - return num; + return ret; } static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); - int len, i, j; + int len, i, j, ret; if (!d) return -ENODEV; @@ -430,7 +427,8 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i if (2 + msg[j].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[j].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } dw210x_op_rw(d->udev, 0xc3, @@ -466,7 +464,8 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i if (2 + msg[j].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[j].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[j].addr << 1; @@ -481,15 +480,18 @@ static int dw2104_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], i } } + ret = num; +unlock: mutex_unlock(&d->i2c_mutex); - return num; + return ret; } static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret; int i; if (!d) @@ -506,7 +508,8 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (2 + msg[1].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[1].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; @@ -530,7 +533,8 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (2 + msg[0].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[0].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[0].addr << 1; obuf[1] = msg[0].len; @@ -556,9 +560,11 @@ static int dw3101_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], msg[i].flags == 0 ? ">>>" : "<<<"); debug_dump(msg[i].buf, msg[i].len, deb_xfer); } + ret = num; +unlock: mutex_unlock(&d->i2c_mutex); - return num; + return ret; } static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], @@ -566,7 +572,7 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct usb_device *udev; - int len, i, j; + int len, i, j, ret; if (!d) return -ENODEV; @@ -618,7 +624,8 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (msg[j].len > sizeof(ibuf)) { warn("i2c rd: len=%d is too big!\n", msg[j].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } dw210x_op_rw(d->udev, 0x91, 0, 0, @@ -652,7 +659,8 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (2 + msg[j].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[j].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[j + 1].len; @@ -671,7 +679,8 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], if (2 + msg[j].len > sizeof(obuf)) { warn("i2c wr: len=%d is too big!\n", msg[j].len); - return -EOPNOTSUPP; + ret = -EOPNOTSUPP; + goto unlock; } obuf[0] = msg[j].len + 1; obuf[1] = (msg[j].addr << 1); @@ -685,9 +694,11 @@ static int s6x0_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], } } } + ret = num; +unlock: mutex_unlock(&d->i2c_mutex); - return num; + return ret; } static int su3000_i2c_transfer(struct i2c_adapter *adap, struct i2c_msg msg[], @@ -1095,6 +1106,16 @@ static struct ds3000_config su3000_ds3000_config = { .set_lock_led = dw210x_led_ctrl, }; +static struct cxd2820r_config cxd2820r_config = { + .i2c_address = 0x6c, /* (0xd8 >> 1) */ + .ts_mode = 0x38, +}; + +static struct tda18271_config tda18271_config = { + .output_opt = TDA18271_OUTPUT_LT_OFF, + .gate = TDA18271_GATE_DIGITAL, +}; + static u8 m88rs2000_inittab[] = { DEMOD_WRITE, 0x9a, 0x30, DEMOD_WRITE, 0x00, 0x01, @@ -1364,6 +1385,49 @@ static int su3000_frontend_attach(struct dvb_usb_adapter *d) return -EIO; } +static int t220_frontend_attach(struct dvb_usb_adapter *d) +{ + u8 obuf[3] = { 0xe, 0x80, 0 }; + u8 ibuf[] = { 0 }; + + if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0) + err("command 0x0e transfer failed."); + + obuf[0] = 0xe; + obuf[1] = 0x83; + obuf[2] = 0; + + if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0) + err("command 0x0e transfer failed."); + + msleep(100); + + obuf[0] = 0xe; + obuf[1] = 0x80; + obuf[2] = 1; + + if (dvb_usb_generic_rw(d->dev, obuf, 3, ibuf, 1, 0) < 0) + err("command 0x0e transfer failed."); + + obuf[0] = 0x51; + + if (dvb_usb_generic_rw(d->dev, obuf, 1, ibuf, 1, 0) < 0) + err("command 0x51 transfer failed."); + + d->fe_adap[0].fe = dvb_attach(cxd2820r_attach, &cxd2820r_config, + &d->dev->i2c_adap, NULL); + if (d->fe_adap[0].fe != NULL) { + if (dvb_attach(tda18271_attach, d->fe_adap[0].fe, 0x60, + &d->dev->i2c_adap, &tda18271_config)) { + info("Attached TDA18271HD/CXD2820R!\n"); + return 0; + } + } + + info("Failed to attach TDA18271HD/CXD2820R!\n"); + return -EIO; +} + static int m88rs2000_frontend_attach(struct dvb_usb_adapter *d) { u8 obuf[] = { 0x51 }; @@ -1404,174 +1468,29 @@ static int dw3101_tuner_attach(struct dvb_usb_adapter *adap) return 0; } -static struct rc_map_table rc_map_dw210x_table[] = { - { 0xf80a, KEY_POWER2 }, /*power*/ - { 0xf80c, KEY_MUTE }, /*mute*/ - { 0xf811, KEY_1 }, - { 0xf812, KEY_2 }, - { 0xf813, KEY_3 }, - { 0xf814, KEY_4 }, - { 0xf815, KEY_5 }, - { 0xf816, KEY_6 }, - { 0xf817, KEY_7 }, - { 0xf818, KEY_8 }, - { 0xf819, KEY_9 }, - { 0xf810, KEY_0 }, - { 0xf81c, KEY_CHANNELUP }, /*ch+*/ - { 0xf80f, KEY_CHANNELDOWN }, /*ch-*/ - { 0xf81a, KEY_VOLUMEUP }, /*vol+*/ - { 0xf80e, KEY_VOLUMEDOWN }, /*vol-*/ - { 0xf804, KEY_RECORD }, /*rec*/ - { 0xf809, KEY_FAVORITES }, /*fav*/ - { 0xf808, KEY_REWIND }, /*rewind*/ - { 0xf807, KEY_FASTFORWARD }, /*fast*/ - { 0xf80b, KEY_PAUSE }, /*pause*/ - { 0xf802, KEY_ESC }, /*cancel*/ - { 0xf803, KEY_TAB }, /*tab*/ - { 0xf800, KEY_UP }, /*up*/ - { 0xf81f, KEY_OK }, /*ok*/ - { 0xf801, KEY_DOWN }, /*down*/ - { 0xf805, KEY_CAMERA }, /*cap*/ - { 0xf806, KEY_STOP }, /*stop*/ - { 0xf840, KEY_ZOOM }, /*full*/ - { 0xf81e, KEY_TV }, /*tvmode*/ - { 0xf81b, KEY_LAST }, /*recall*/ -}; - -static struct rc_map_table rc_map_tevii_table[] = { - { 0xf80a, KEY_POWER }, - { 0xf80c, KEY_MUTE }, - { 0xf811, KEY_1 }, - { 0xf812, KEY_2 }, - { 0xf813, KEY_3 }, - { 0xf814, KEY_4 }, - { 0xf815, KEY_5 }, - { 0xf816, KEY_6 }, - { 0xf817, KEY_7 }, - { 0xf818, KEY_8 }, - { 0xf819, KEY_9 }, - { 0xf810, KEY_0 }, - { 0xf81c, KEY_MENU }, - { 0xf80f, KEY_VOLUMEDOWN }, - { 0xf81a, KEY_LAST }, - { 0xf80e, KEY_OPEN }, - { 0xf804, KEY_RECORD }, - { 0xf809, KEY_VOLUMEUP }, - { 0xf808, KEY_CHANNELUP }, - { 0xf807, KEY_PVR }, - { 0xf80b, KEY_TIME }, - { 0xf802, KEY_RIGHT }, - { 0xf803, KEY_LEFT }, - { 0xf800, KEY_UP }, - { 0xf81f, KEY_OK }, - { 0xf801, KEY_DOWN }, - { 0xf805, KEY_TUNER }, - { 0xf806, KEY_CHANNELDOWN }, - { 0xf840, KEY_PLAYPAUSE }, - { 0xf81e, KEY_REWIND }, - { 0xf81b, KEY_FAVORITES }, - { 0xf81d, KEY_BACK }, - { 0xf84d, KEY_FASTFORWARD }, - { 0xf844, KEY_EPG }, - { 0xf84c, KEY_INFO }, - { 0xf841, KEY_AB }, - { 0xf843, KEY_AUDIO }, - { 0xf845, KEY_SUBTITLE }, - { 0xf84a, KEY_LIST }, - { 0xf846, KEY_F1 }, - { 0xf847, KEY_F2 }, - { 0xf85e, KEY_F3 }, - { 0xf85c, KEY_F4 }, - { 0xf852, KEY_F5 }, - { 0xf85a, KEY_F6 }, - { 0xf856, KEY_MODE }, - { 0xf858, KEY_SWITCHVIDEOMODE }, -}; - -static struct rc_map_table rc_map_tbs_table[] = { - { 0xf884, KEY_POWER }, - { 0xf894, KEY_MUTE }, - { 0xf887, KEY_1 }, - { 0xf886, KEY_2 }, - { 0xf885, KEY_3 }, - { 0xf88b, KEY_4 }, - { 0xf88a, KEY_5 }, - { 0xf889, KEY_6 }, - { 0xf88f, KEY_7 }, - { 0xf88e, KEY_8 }, - { 0xf88d, KEY_9 }, - { 0xf892, KEY_0 }, - { 0xf896, KEY_CHANNELUP }, - { 0xf891, KEY_CHANNELDOWN }, - { 0xf893, KEY_VOLUMEUP }, - { 0xf88c, KEY_VOLUMEDOWN }, - { 0xf883, KEY_RECORD }, - { 0xf898, KEY_PAUSE }, - { 0xf899, KEY_OK }, - { 0xf89a, KEY_SHUFFLE }, - { 0xf881, KEY_UP }, - { 0xf890, KEY_LEFT }, - { 0xf882, KEY_RIGHT }, - { 0xf888, KEY_DOWN }, - { 0xf895, KEY_FAVORITES }, - { 0xf897, KEY_SUBTITLE }, - { 0xf89d, KEY_ZOOM }, - { 0xf89f, KEY_EXIT }, - { 0xf89e, KEY_MENU }, - { 0xf89c, KEY_EPG }, - { 0xf880, KEY_PREVIOUS }, - { 0xf89b, KEY_MODE } -}; +static int dw2102_rc_query(struct dvb_usb_device *d) +{ + u8 key[2]; + struct i2c_msg msg = { + .addr = DW2102_RC_QUERY, + .flags = I2C_M_RD, + .buf = key, + .len = 2 + }; -static struct rc_map_table rc_map_su3000_table[] = { - { 0x25, KEY_POWER }, /* right-bottom Red */ - { 0x0a, KEY_MUTE }, /* -/-- */ - { 0x01, KEY_1 }, - { 0x02, KEY_2 }, - { 0x03, KEY_3 }, - { 0x04, KEY_4 }, - { 0x05, KEY_5 }, - { 0x06, KEY_6 }, - { 0x07, KEY_7 }, - { 0x08, KEY_8 }, - { 0x09, KEY_9 }, - { 0x00, KEY_0 }, - { 0x20, KEY_UP }, /* CH+ */ - { 0x21, KEY_DOWN }, /* CH+ */ - { 0x12, KEY_VOLUMEUP }, /* Brightness Up */ - { 0x13, KEY_VOLUMEDOWN },/* Brightness Down */ - { 0x1f, KEY_RECORD }, - { 0x17, KEY_PLAY }, - { 0x16, KEY_PAUSE }, - { 0x0b, KEY_STOP }, - { 0x27, KEY_FASTFORWARD },/* >> */ - { 0x26, KEY_REWIND }, /* << */ - { 0x0d, KEY_OK }, /* Mute */ - { 0x11, KEY_LEFT }, /* VOL- */ - { 0x10, KEY_RIGHT }, /* VOL+ */ - { 0x29, KEY_BACK }, /* button under 9 */ - { 0x2c, KEY_MENU }, /* TTX */ - { 0x2b, KEY_EPG }, /* EPG */ - { 0x1e, KEY_RED }, /* OSD */ - { 0x0e, KEY_GREEN }, /* Window */ - { 0x2d, KEY_YELLOW }, /* button under << */ - { 0x0f, KEY_BLUE }, /* bottom yellow button */ - { 0x14, KEY_AUDIO }, /* Snapshot */ - { 0x38, KEY_TV }, /* TV/Radio */ - { 0x0c, KEY_ESC } /* upper Red button */ -}; + if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) { + if (msg.buf[0] != 0xff) { + deb_rc("%s: rc code: %x, %x\n", + __func__, key[0], key[1]); + rc_keydown(d->rc_dev, key[0], 1); + } + } -static struct rc_map_dvb_usb_table_table keys_tables[] = { - { rc_map_dw210x_table, ARRAY_SIZE(rc_map_dw210x_table) }, - { rc_map_tevii_table, ARRAY_SIZE(rc_map_tevii_table) }, - { rc_map_tbs_table, ARRAY_SIZE(rc_map_tbs_table) }, - { rc_map_su3000_table, ARRAY_SIZE(rc_map_su3000_table) }, -}; + return 0; +} -static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) +static int prof_rc_query(struct dvb_usb_device *d) { - struct rc_map_table *keymap = d->props.rc.legacy.rc_map_table; - int keymap_size = d->props.rc.legacy.rc_map_size; u8 key[2]; struct i2c_msg msg = { .addr = DW2102_RC_QUERY, @@ -1579,32 +1498,34 @@ static int dw2102_rc_query(struct dvb_usb_device *d, u32 *event, int *state) .buf = key, .len = 2 }; - int i; - /* override keymap */ - if ((ir_keymap > 0) && (ir_keymap <= ARRAY_SIZE(keys_tables))) { - keymap = keys_tables[ir_keymap - 1].rc_keys ; - keymap_size = keys_tables[ir_keymap - 1].rc_keys_size; - } else if (ir_keymap > ARRAY_SIZE(keys_tables)) - return 0; /* none */ - - *state = REMOTE_NO_KEY_PRESSED; - if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) { - for (i = 0; i < keymap_size ; i++) { - if (rc5_data(&keymap[i]) == msg.buf[0]) { - *state = REMOTE_KEY_PRESSED; - *event = keymap[i].keycode; - break; - } + if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) { + if (msg.buf[0] != 0xff) { + deb_rc("%s: rc code: %x, %x\n", + __func__, key[0], key[1]); + rc_keydown(d->rc_dev, key[0]^0xff, 1); } + } - if ((*state) == REMOTE_KEY_PRESSED) - deb_rc("%s: found rc key: %x, %x, event: %x\n", - __func__, key[0], key[1], (*event)); - else if (key[0] != 0xff) - deb_rc("%s: unknown rc key: %x, %x\n", - __func__, key[0], key[1]); + return 0; +} +static int su3000_rc_query(struct dvb_usb_device *d) +{ + u8 key[2]; + struct i2c_msg msg = { + .addr = DW2102_RC_QUERY, + .flags = I2C_M_RD, + .buf = key, + .len = 2 + }; + + if (d->props.i2c_algo->master_xfer(&d->i2c_adap, &msg, 1) == 1) { + if (msg.buf[0] != 0xff) { + deb_rc("%s: rc code: %x, %x\n", + __func__, key[0], key[1]); + rc_keydown(d->rc_dev, key[1] << 8 | key[0], 1); + } } return 0; @@ -1630,6 +1551,7 @@ enum dw2102_table_entry { TEVII_S632, TERRATEC_CINERGY_S2_R2, GOTVIEW_SAT_HD, + GENIATECH_T220, }; static struct usb_device_id dw2102_table[] = { @@ -1652,6 +1574,7 @@ static struct usb_device_id dw2102_table[] = { [TEVII_S632] = {USB_DEVICE(0x9022, USB_PID_TEVII_S632)}, [TERRATEC_CINERGY_S2_R2] = {USB_DEVICE(USB_VID_TERRATEC, 0x00b0)}, [GOTVIEW_SAT_HD] = {USB_DEVICE(0x1FE1, USB_PID_GOTVIEW_SAT_HD)}, + [GENIATECH_T220] = {USB_DEVICE(0x1f4d, 0xD220)}, { } }; @@ -1711,9 +1634,7 @@ static int dw2102_load_firmware(struct usb_device *dev, /* init registers */ switch (dev->descriptor.idProduct) { case USB_PID_TEVII_S650: - dw2104_properties.rc.legacy.rc_map_table = rc_map_tevii_table; - dw2104_properties.rc.legacy.rc_map_size = - ARRAY_SIZE(rc_map_tevii_table); + dw2104_properties.rc.core.rc_codes = RC_MAP_TEVII_NEC; case USB_PID_DW2104: reset = 1; dw210x_op_rw(dev, 0xc4, 0x0000, 0, &reset, 1, @@ -1777,10 +1698,11 @@ static struct dvb_usb_device_properties dw2102_properties = { .i2c_algo = &dw2102_serit_i2c_algo, - .rc.legacy = { - .rc_map_table = rc_map_dw210x_table, - .rc_map_size = ARRAY_SIZE(rc_map_dw210x_table), + .rc.core = { .rc_interval = 150, + .rc_codes = RC_MAP_DM1105_NEC, + .module_name = "dw2102", + .allowed_protos = RC_BIT_NEC, .rc_query = dw2102_rc_query, }, @@ -1831,10 +1753,11 @@ static struct dvb_usb_device_properties dw2104_properties = { .no_reconnect = 1, .i2c_algo = &dw2104_i2c_algo, - .rc.legacy = { - .rc_map_table = rc_map_dw210x_table, - .rc_map_size = ARRAY_SIZE(rc_map_dw210x_table), + .rc.core = { .rc_interval = 150, + .rc_codes = RC_MAP_DM1105_NEC, + .module_name = "dw2102", + .allowed_protos = RC_BIT_NEC, .rc_query = dw2102_rc_query, }, @@ -1881,10 +1804,11 @@ static struct dvb_usb_device_properties dw3101_properties = { .no_reconnect = 1, .i2c_algo = &dw3101_i2c_algo, - .rc.legacy = { - .rc_map_table = rc_map_dw210x_table, - .rc_map_size = ARRAY_SIZE(rc_map_dw210x_table), + .rc.core = { .rc_interval = 150, + .rc_codes = RC_MAP_DM1105_NEC, + .module_name = "dw2102", + .allowed_protos = RC_BIT_NEC, .rc_query = dw2102_rc_query, }, @@ -1929,10 +1853,11 @@ static struct dvb_usb_device_properties s6x0_properties = { .no_reconnect = 1, .i2c_algo = &s6x0_i2c_algo, - .rc.legacy = { - .rc_map_table = rc_map_tevii_table, - .rc_map_size = ARRAY_SIZE(rc_map_tevii_table), + .rc.core = { .rc_interval = 150, + .rc_codes = RC_MAP_TEVII_NEC, + .module_name = "dw2102", + .allowed_protos = RC_BIT_NEC, .rc_query = dw2102_rc_query, }, @@ -2022,11 +1947,12 @@ static struct dvb_usb_device_properties su3000_properties = { .identify_state = su3000_identify_state, .i2c_algo = &su3000_i2c_algo, - .rc.legacy = { - .rc_map_table = rc_map_su3000_table, - .rc_map_size = ARRAY_SIZE(rc_map_su3000_table), + .rc.core = { .rc_interval = 150, - .rc_query = dw2102_rc_query, + .rc_codes = RC_MAP_SU3000, + .module_name = "dw2102", + .allowed_protos = RC_BIT_RC5, + .rc_query = su3000_rc_query, }, .read_mac_address = su3000_read_mac_address, @@ -2077,6 +2003,55 @@ static struct dvb_usb_device_properties su3000_properties = { } }; +static struct dvb_usb_device_properties t220_properties = { + .caps = DVB_USB_IS_AN_I2C_ADAPTER, + .usb_ctrl = DEVICE_SPECIFIC, + .size_of_priv = sizeof(struct su3000_state), + .power_ctrl = su3000_power_ctrl, + .num_adapters = 1, + .identify_state = su3000_identify_state, + .i2c_algo = &su3000_i2c_algo, + + .rc.core = { + .rc_interval = 150, + .rc_codes = RC_MAP_SU3000, + .module_name = "dw2102", + .allowed_protos = RC_BIT_RC5, + .rc_query = su3000_rc_query, + }, + + .read_mac_address = su3000_read_mac_address, + + .generic_bulk_ctrl_endpoint = 0x01, + + .adapter = { + { + .num_frontends = 1, + .fe = { { + .streaming_ctrl = su3000_streaming_ctrl, + .frontend_attach = t220_frontend_attach, + .stream = { + .type = USB_BULK, + .count = 8, + .endpoint = 0x82, + .u = { + .bulk = { + .buffersize = 4096, + } + } + } + } }, + } + }, + .num_device_descs = 1, + .devices = { + { "Geniatech T220 DVB-T/T2 USB2.0", + { &dw2102_table[GENIATECH_T220], NULL }, + { NULL }, + }, + } +}; + static int dw2102_probe(struct usb_interface *intf, const struct usb_device_id *id) { @@ -2088,8 +2063,8 @@ static int dw2102_probe(struct usb_interface *intf, /* fill only different fields */ p1100->firmware = P1100_FIRMWARE; p1100->devices[0] = d1100; - p1100->rc.legacy.rc_map_table = rc_map_tbs_table; - p1100->rc.legacy.rc_map_size = ARRAY_SIZE(rc_map_tbs_table); + p1100->rc.core.rc_query = prof_rc_query; + p1100->rc.core.rc_codes = RC_MAP_TBS_NEC; p1100->adapter->fe[0].frontend_attach = stv0288_frontend_attach; s660 = kmemdup(&s6x0_properties, @@ -2114,8 +2089,8 @@ static int dw2102_probe(struct usb_interface *intf, } p7500->firmware = P7500_FIRMWARE; p7500->devices[0] = d7500; - p7500->rc.legacy.rc_map_table = rc_map_tbs_table; - p7500->rc.legacy.rc_map_size = ARRAY_SIZE(rc_map_tbs_table); + p7500->rc.core.rc_query = prof_rc_query; + p7500->rc.core.rc_codes = RC_MAP_TBS_NEC; p7500->adapter->fe[0].frontend_attach = prof_7500_frontend_attach; @@ -2149,7 +2124,9 @@ static int dw2102_probe(struct usb_interface *intf, 0 == dvb_usb_device_init(intf, s421, THIS_MODULE, NULL, adapter_nr) || 0 == dvb_usb_device_init(intf, &su3000_properties, - THIS_MODULE, NULL, adapter_nr)) + THIS_MODULE, NULL, adapter_nr) || + 0 == dvb_usb_device_init(intf, &t220_properties, + THIS_MODULE, NULL, adapter_nr)) return 0; return -ENODEV; @@ -2169,7 +2146,7 @@ MODULE_DESCRIPTION("Driver for DVBWorld DVB-S 2101, 2102, DVB-S2 2104," " DVB-C 3101 USB2.0," " TeVii S600, S630, S650, S660, S480, S421, S632" " Prof 1100, 7500 USB2.0," - " Geniatech SU3000 devices"); + " Geniatech SU3000, T220 devices"); MODULE_VERSION("0.1"); MODULE_LICENSE("GPL"); MODULE_FIRMWARE(DW2101_FIRMWARE); diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index a5196697627f..64543098e8a6 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -412,6 +412,70 @@ static struct em28xx_reg_seq pctv_520e[] = { { -1, -1, -1, -1}, }; +/* 1ae7:9003/9004 SpeedLink Vicious And Devine Laplace webcam + * reg 0x80/0x84: + * GPIO_0: capturing LED, 0=on, 1=off + * GPIO_2: AV mute button, 0=pressed, 1=unpressed + * GPIO 3: illumination button, 0=pressed, 1=unpressed + * GPIO_6: illumination/flash LED, 0=on, 1=off + * reg 0x81/0x85: + * GPIO_7: snapshot button, 0=pressed, 1=unpressed + */ +static struct em28xx_reg_seq speedlink_vad_laplace_reg_seq[] = { + {EM2820_R08_GPIO_CTRL, 0xf7, 0xff, 10}, + {EM2874_R80_GPIO_P0_CTRL, 0xff, 0xb2, 10}, + { -1, -1, -1, -1}, +}; + +/* + * Button definitions + */ +static struct em28xx_button std_snapshot_button[] = { + { + .role = EM28XX_BUTTON_SNAPSHOT, + .reg_r = EM28XX_R0C_USBSUSP, + .reg_clearing = EM28XX_R0C_USBSUSP, + .mask = EM28XX_R0C_USBSUSP_SNAPSHOT, + .inverted = 0, + }, + {-1, 0, 0, 0, 0}, +}; + +static struct em28xx_button speedlink_vad_laplace_buttons[] = { + { + .role = EM28XX_BUTTON_SNAPSHOT, + .reg_r = EM2874_R85_GPIO_P1_STATE, + .mask = 0x80, + .inverted = 1, + }, + { + .role = EM28XX_BUTTON_ILLUMINATION, + .reg_r = EM2874_R84_GPIO_P0_STATE, + .mask = 0x08, + .inverted = 1, + }, + {-1, 0, 0, 0, 0}, +}; + +/* + * LED definitions + */ +static struct em28xx_led speedlink_vad_laplace_leds[] = { + { + .role = EM28XX_LED_ANALOG_CAPTURING, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x01, + .inverted = 1, + }, + { + .role = EM28XX_LED_ILLUMINATION, + .gpio_reg = EM2874_R80_GPIO_P0_CTRL, + .gpio_mask = 0x40, + .inverted = 1, + }, + {-1, 0, 0, 0}, +}; + /* * Board definitions */ @@ -1391,7 +1455,7 @@ struct em28xx_board em28xx_boards[] = { }, [EM2820_BOARD_PROLINK_PLAYTV_USB2] = { .name = "SIIG AVTuner-PVR / Pixelview Prolink PlayTV USB 2.0", - .has_snapshot_button = 1, + .buttons = std_snapshot_button, .tda9887_conf = TDA9887_PRESENT, .tuner_type = TUNER_YMEC_TVF_5533MF, .decoder = EM28XX_SAA711X, @@ -1413,7 +1477,7 @@ struct em28xx_board em28xx_boards[] = { }, [EM2860_BOARD_SAA711X_REFERENCE_DESIGN] = { .name = "EM2860/SAA711X Reference Design", - .has_snapshot_button = 1, + .buttons = std_snapshot_button, .tuner_type = TUNER_ABSENT, .decoder = EM28XX_SAA711X, .input = { { @@ -2043,6 +2107,24 @@ struct em28xx_board em28xx_boards[] = { .tuner_gpio = default_tuner_gpio, .def_i2c_bus = 1, }, + /* 1ae7:9003/9004 SpeedLink Vicious And Devine Laplace webcam + * Empia EM2765 + OmniVision OV2640 */ + [EM2765_BOARD_SPEEDLINK_VAD_LAPLACE] = { + .name = "SpeedLink Vicious And Devine Laplace webcam", + .xclk = EM28XX_XCLK_FREQUENCY_24MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | + EM28XX_I2C_FREQ_100_KHZ, + .def_i2c_bus = 1, + .tuner_type = TUNER_ABSENT, + .is_webcam = 1, + .input = { { + .type = EM28XX_VMUX_COMPOSITE1, + .amux = EM28XX_AMUX_VIDEO, + .gpio = speedlink_vad_laplace_reg_seq, + } }, + .buttons = speedlink_vad_laplace_buttons, + .leds = speedlink_vad_laplace_leds, + }, }; const unsigned int em28xx_bcount = ARRAY_SIZE(em28xx_boards); @@ -2208,6 +2290,10 @@ struct usb_device_id em28xx_id_table[] = { .driver_info = EM2884_BOARD_PCTV_520E }, { USB_DEVICE(0x1b80, 0xe1cc), .driver_info = EM2874_BOARD_DELOCK_61959 }, + { USB_DEVICE(0x1ae7, 0x9003), + .driver_info = EM2765_BOARD_SPEEDLINK_VAD_LAPLACE }, + { USB_DEVICE(0x1ae7, 0x9004), + .driver_info = EM2765_BOARD_SPEEDLINK_VAD_LAPLACE }, { }, }; MODULE_DEVICE_TABLE(usb, em28xx_id_table); @@ -2841,7 +2927,7 @@ static void request_module_async(struct work_struct *work) if (dev->board.has_dvb) request_module("em28xx-dvb"); - if (dev->board.has_snapshot_button || + if (dev->board.buttons || ((dev->board.ir_codes || dev->board.has_ir_i2c) && !disable_ir)) request_module("em28xx-rc"); #endif /* CONFIG_MODULES */ diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index fc157af5234a..fc8254035278 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -226,6 +226,25 @@ int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, EXPORT_SYMBOL_GPL(em28xx_write_reg_bits); /* + * em28xx_toggle_reg_bits() + * toggles/inverts the bits (specified by bitmask) of a register + */ +int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask) +{ + int oldval; + u8 newval; + + oldval = em28xx_read_reg(dev, reg); + if (oldval < 0) + return oldval; + + newval = (~oldval & bitmask) | (oldval & ~bitmask); + + return em28xx_write_reg(dev, reg, newval); +} +EXPORT_SYMBOL_GPL(em28xx_toggle_reg_bits); + +/* * em28xx_is_ac97_ready() * Checks if ac97 is ready */ @@ -600,6 +619,22 @@ int em28xx_colorlevels_set_default(struct em28xx *dev) return em28xx_write_reg(dev, EM28XX_R1A_BOFFSET, 0x00); } +const struct em28xx_led *em28xx_find_led(struct em28xx *dev, + enum em28xx_led_role role) +{ + if (dev->board.leds) { + u8 k = 0; + while (dev->board.leds[k].role >= 0 && + dev->board.leds[k].role < EM28XX_NUM_LED_ROLES) { + if (dev->board.leds[k].role == role) + return &dev->board.leds[k]; + k++; + } + } + return NULL; +} +EXPORT_SYMBOL_GPL(em28xx_find_led); + int em28xx_capture_start(struct em28xx *dev, int start) { int rc; @@ -608,46 +643,52 @@ int em28xx_capture_start(struct em28xx *dev, int start) dev->chip_id == CHIP_ID_EM2884 || dev->chip_id == CHIP_ID_EM28174) { /* The Transport Stream Enable Register moved in em2874 */ - if (!start) { - rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE, - 0x00, - EM2874_TS1_CAPTURE_ENABLE); - return rc; - } - - /* Enable Transport Stream */ rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE, - EM2874_TS1_CAPTURE_ENABLE, + start ? + EM2874_TS1_CAPTURE_ENABLE : 0x00, EM2874_TS1_CAPTURE_ENABLE); - return rc; - } + } else { + /* FIXME: which is the best order? */ + /* video registers are sampled by VREF */ + rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP, + start ? 0x10 : 0x00, 0x10); + if (rc < 0) + return rc; + if (start) { + if (dev->board.is_webcam) + rc = em28xx_write_reg(dev, 0x13, 0x0c); - /* FIXME: which is the best order? */ - /* video registers are sampled by VREF */ - rc = em28xx_write_reg_bits(dev, EM28XX_R0C_USBSUSP, - start ? 0x10 : 0x00, 0x10); - if (rc < 0) - return rc; + /* Enable video capture */ + rc = em28xx_write_reg(dev, 0x48, 0x00); - if (!start) { - /* disable video capture */ - rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x27); - return rc; - } - - if (dev->board.is_webcam) - rc = em28xx_write_reg(dev, 0x13, 0x0c); + if (dev->mode == EM28XX_ANALOG_MODE) + rc = em28xx_write_reg(dev, + EM28XX_R12_VINENABLE, 0x67); + else + rc = em28xx_write_reg(dev, + EM28XX_R12_VINENABLE, 0x37); - /* enable video capture */ - rc = em28xx_write_reg(dev, 0x48, 0x00); + msleep(6); + } else { + /* disable video capture */ + rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x27); + } + } - if (dev->mode == EM28XX_ANALOG_MODE) - rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x67); - else - rc = em28xx_write_reg(dev, EM28XX_R12_VINENABLE, 0x37); + if (rc < 0) + return rc; - msleep(6); + /* Switch (explicitly controlled) analog capturing LED on/off */ + if (dev->mode == EM28XX_ANALOG_MODE) { + const struct em28xx_led *led; + led = em28xx_find_led(dev, EM28XX_LED_ANALOG_CAPTURING); + if (led) + em28xx_write_reg_bits(dev, led->gpio_reg, + (!start ^ led->inverted) ? + ~led->gpio_mask : led->gpio_mask, + led->gpio_mask); + } return rc; } diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index ea181e4b68c5..e0acc92f0dfd 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -31,7 +31,7 @@ #include "em28xx.h" #define EM28XX_SNAPSHOT_KEY KEY_CAMERA -#define EM28XX_SBUTTON_QUERY_INTERVAL 500 +#define EM28XX_BUTTONS_QUERY_INTERVAL 500 static unsigned int ir_debug; module_param(ir_debug, int, 0644); @@ -470,38 +470,85 @@ static int em28xx_probe_i2c_ir(struct em28xx *dev) } /********************************************************** - Handle Webcam snapshot button + Handle buttons **********************************************************/ -static void em28xx_query_sbutton(struct work_struct *work) +static void em28xx_query_buttons(struct work_struct *work) { - /* Poll the register and see if the button is depressed */ struct em28xx *dev = - container_of(work, struct em28xx, sbutton_query_work.work); - int ret; - - ret = em28xx_read_reg(dev, EM28XX_R0C_USBSUSP); - - if (ret & EM28XX_R0C_USBSUSP_SNAPSHOT) { - u8 cleared; - /* Button is depressed, clear the register */ - cleared = ((u8) ret) & ~EM28XX_R0C_USBSUSP_SNAPSHOT; - em28xx_write_regs(dev, EM28XX_R0C_USBSUSP, &cleared, 1); - - /* Not emulate the keypress */ - input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY, - 1); - /* Now unpress the key */ - input_report_key(dev->sbutton_input_dev, EM28XX_SNAPSHOT_KEY, - 0); + container_of(work, struct em28xx, buttons_query_work.work); + u8 i, j; + int regval; + bool is_pressed, was_pressed; + const struct em28xx_led *led; + + /* Poll and evaluate all addresses */ + for (i = 0; i < dev->num_button_polling_addresses; i++) { + /* Read value from register */ + regval = em28xx_read_reg(dev, dev->button_polling_addresses[i]); + if (regval < 0) + continue; + /* Check states of the buttons and act */ + j = 0; + while (dev->board.buttons[j].role >= 0 && + dev->board.buttons[j].role < EM28XX_NUM_BUTTON_ROLES) { + struct em28xx_button *button = &dev->board.buttons[j]; + /* Check if button uses the current address */ + if (button->reg_r != dev->button_polling_addresses[i]) { + j++; + continue; + } + /* Determine if button is and was pressed last time */ + is_pressed = regval & button->mask; + was_pressed = dev->button_polling_last_values[i] + & button->mask; + if (button->inverted) { + is_pressed = !is_pressed; + was_pressed = !was_pressed; + } + /* Clear button state (if needed) */ + if (is_pressed && button->reg_clearing) + em28xx_write_reg(dev, button->reg_clearing, + (~regval & button->mask) + | (regval & ~button->mask)); + /* Handle button state */ + if (!is_pressed || was_pressed) { + j++; + continue; + } + switch (button->role) { + case EM28XX_BUTTON_SNAPSHOT: + /* Emulate the keypress */ + input_report_key(dev->sbutton_input_dev, + EM28XX_SNAPSHOT_KEY, 1); + /* Unpress the key */ + input_report_key(dev->sbutton_input_dev, + EM28XX_SNAPSHOT_KEY, 0); + break; + case EM28XX_BUTTON_ILLUMINATION: + led = em28xx_find_led(dev, + EM28XX_LED_ILLUMINATION); + /* Switch illumination LED on/off */ + if (led) + em28xx_toggle_reg_bits(dev, + led->gpio_reg, + led->gpio_mask); + break; + default: + WARN_ONCE(1, "BUG: unhandled button role."); + } + /* Next button */ + j++; + } + /* Save current value for comparison during the next polling */ + dev->button_polling_last_values[i] = regval; } - /* Schedule next poll */ - schedule_delayed_work(&dev->sbutton_query_work, - msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL)); + schedule_delayed_work(&dev->buttons_query_work, + msecs_to_jiffies(EM28XX_BUTTONS_QUERY_INTERVAL)); } -static void em28xx_register_snapshot_button(struct em28xx *dev) +static int em28xx_register_snapshot_button(struct em28xx *dev) { struct input_dev *input_dev; int err; @@ -510,14 +557,13 @@ static void em28xx_register_snapshot_button(struct em28xx *dev) input_dev = input_allocate_device(); if (!input_dev) { em28xx_errdev("input_allocate_device failed\n"); - return; + return -ENOMEM; } usb_make_path(dev->udev, dev->snapshot_button_path, sizeof(dev->snapshot_button_path)); strlcat(dev->snapshot_button_path, "/sbutton", sizeof(dev->snapshot_button_path)); - INIT_DELAYED_WORK(&dev->sbutton_query_work, em28xx_query_sbutton); input_dev->name = "em28xx snapshot button"; input_dev->phys = dev->snapshot_button_path; @@ -535,25 +581,80 @@ static void em28xx_register_snapshot_button(struct em28xx *dev) if (err) { em28xx_errdev("input_register_device failed\n"); input_free_device(input_dev); - return; + return err; } dev->sbutton_input_dev = input_dev; - schedule_delayed_work(&dev->sbutton_query_work, - msecs_to_jiffies(EM28XX_SBUTTON_QUERY_INTERVAL)); - return; + return 0; +} +static void em28xx_init_buttons(struct em28xx *dev) +{ + u8 i = 0, j = 0; + bool addr_new = 0; + + while (dev->board.buttons[i].role >= 0 && + dev->board.buttons[i].role < EM28XX_NUM_BUTTON_ROLES) { + struct em28xx_button *button = &dev->board.buttons[i]; + /* Check if polling address is already on the list */ + addr_new = 1; + for (j = 0; j < dev->num_button_polling_addresses; j++) { + if (button->reg_r == dev->button_polling_addresses[j]) { + addr_new = 0; + break; + } + } + /* Check if max. number of polling addresses is exceeded */ + if (addr_new && dev->num_button_polling_addresses + >= EM28XX_NUM_BUTTON_ADDRESSES_MAX) { + WARN_ONCE(1, "BUG: maximum number of button polling addresses exceeded."); + addr_new = 0; + } + /* Button role specific checks and actions */ + if (button->role == EM28XX_BUTTON_SNAPSHOT) { + /* Register input device */ + if (em28xx_register_snapshot_button(dev) < 0) + addr_new = 0; + } else if (button->role == EM28XX_BUTTON_ILLUMINATION) { + /* Check sanity */ + if (!em28xx_find_led(dev, EM28XX_LED_ILLUMINATION)) { + em28xx_errdev("BUG: illumination button defined, but no illumination LED.\n"); + addr_new = 0; + } + } + /* Add read address to list of polling addresses */ + if (addr_new) { + unsigned int index = dev->num_button_polling_addresses; + dev->button_polling_addresses[index] = button->reg_r; + dev->num_button_polling_addresses++; + } + /* Next button */ + i++; + } + + /* Start polling */ + if (dev->num_button_polling_addresses) { + memset(dev->button_polling_last_values, 0, + EM28XX_NUM_BUTTON_ADDRESSES_MAX); + INIT_DELAYED_WORK(&dev->buttons_query_work, + em28xx_query_buttons); + schedule_delayed_work(&dev->buttons_query_work, + msecs_to_jiffies(EM28XX_BUTTONS_QUERY_INTERVAL)); + } } -static void em28xx_deregister_snapshot_button(struct em28xx *dev) +static void em28xx_shutdown_buttons(struct em28xx *dev) { + /* Cancel polling */ + cancel_delayed_work_sync(&dev->buttons_query_work); + /* Clear polling addresses list */ + dev->num_button_polling_addresses = 0; + /* Deregister input devices */ if (dev->sbutton_input_dev != NULL) { em28xx_info("Deregistering snapshot button\n"); - cancel_delayed_work_sync(&dev->sbutton_query_work); input_unregister_device(dev->sbutton_input_dev); dev->sbutton_input_dev = NULL; } - return; } static int em28xx_ir_init(struct em28xx *dev) @@ -564,8 +665,8 @@ static int em28xx_ir_init(struct em28xx *dev) u64 rc_type; u16 i2c_rc_dev_addr = 0; - if (dev->board.has_snapshot_button) - em28xx_register_snapshot_button(dev); + if (dev->board.buttons) + em28xx_init_buttons(dev); if (dev->board.has_ir_i2c) { i2c_rc_dev_addr = em28xx_probe_i2c_ir(dev); @@ -688,7 +789,7 @@ static int em28xx_ir_fini(struct em28xx *dev) { struct em28xx_IR *ir = dev->ir; - em28xx_deregister_snapshot_button(dev); + em28xx_shutdown_buttons(dev); /* skip detach on non attached boards */ if (!ir) diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index f8726ad5d0a8..6e26fba094c8 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -132,6 +132,7 @@ #define EM2884_BOARD_C3TECH_DIGITAL_DUO 88 #define EM2874_BOARD_DELOCK_61959 89 #define EM2874_BOARD_KWORLD_UB435Q_V2 90 +#define EM2765_BOARD_SPEEDLINK_VAD_LAPLACE 91 /* Limits minimum and default number of buffers */ #define EM28XX_MIN_BUF 4 @@ -181,6 +182,9 @@ /* time in msecs to wait for i2c writes to finish */ #define EM2800_I2C_XFER_TIMEOUT 20 +/* max. number of button state polling addresses */ +#define EM28XX_NUM_BUTTON_ADDRESSES_MAX 5 + enum em28xx_mode { EM28XX_SUSPEND, EM28XX_ANALOG_MODE, @@ -374,6 +378,33 @@ enum em28xx_adecoder { EM28XX_TVAUDIO, }; +enum em28xx_led_role { + EM28XX_LED_ANALOG_CAPTURING = 0, + EM28XX_LED_ILLUMINATION, + EM28XX_NUM_LED_ROLES, /* must be the last */ +}; + +struct em28xx_led { + enum em28xx_led_role role; + u8 gpio_reg; + u8 gpio_mask; + bool inverted; +}; + +enum em28xx_button_role { + EM28XX_BUTTON_SNAPSHOT = 0, + EM28XX_BUTTON_ILLUMINATION, + EM28XX_NUM_BUTTON_ROLES, /* must be the last */ +}; + +struct em28xx_button { + enum em28xx_button_role role; + u8 reg_r; + u8 reg_clearing; + u8 mask; + bool inverted; +}; + struct em28xx_board { char *name; int vchannels; @@ -395,7 +426,6 @@ struct em28xx_board { unsigned int mts_firmware:1; unsigned int max_range_640_480:1; unsigned int has_dvb:1; - unsigned int has_snapshot_button:1; unsigned int is_webcam:1; unsigned int valid:1; unsigned int has_ir_i2c:1; @@ -410,6 +440,12 @@ struct em28xx_board { struct em28xx_input input[MAX_EM28XX_INPUT]; struct em28xx_input radio; char *ir_codes; + + /* LEDs that need to be controlled explicitly */ + struct em28xx_led *leds; + + /* Buttons */ + struct em28xx_button *buttons; }; struct em28xx_eeprom { @@ -639,10 +675,14 @@ struct em28xx { enum em28xx_mode mode; - /* Snapshot button */ + /* Button state polling */ + struct delayed_work buttons_query_work; + u8 button_polling_addresses[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 button_polling_last_values[EM28XX_NUM_BUTTON_ADDRESSES_MAX]; + u8 num_button_polling_addresses; + /* Snapshot button input device */ char snapshot_button_path[30]; /* path of the input dev */ struct input_dev *sbutton_input_dev; - struct delayed_work sbutton_query_work; struct em28xx_dvb *dvb; }; @@ -672,6 +712,7 @@ int em28xx_write_regs(struct em28xx *dev, u16 reg, char *buf, int len); int em28xx_write_reg(struct em28xx *dev, u16 reg, u8 val); int em28xx_write_reg_bits(struct em28xx *dev, u16 reg, u8 val, u8 bitmask); +int em28xx_toggle_reg_bits(struct em28xx *dev, u16 reg, u8 bitmask); int em28xx_read_ac97(struct em28xx *dev, u8 reg); int em28xx_write_ac97(struct em28xx *dev, u8 reg, u16 val); @@ -680,6 +721,8 @@ int em28xx_audio_analog_set(struct em28xx *dev); int em28xx_audio_setup(struct em28xx *dev); int em28xx_colorlevels_set_default(struct em28xx *dev); +const struct em28xx_led *em28xx_find_led(struct em28xx *dev, + enum em28xx_led_role role); int em28xx_capture_start(struct em28xx *dev, int start); int em28xx_vbi_supported(struct em28xx *dev); int em28xx_set_outfmt(struct em28xx *dev); diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index b5aaaac427ad..1cc17496b202 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -31,6 +31,10 @@ #include <media/v4l2-device.h> #include <media/v4l2-ioctl.h> + +#define CREATE_TRACE_POINTS +#include <trace/events/v4l2.h> + #define VIDEO_NUM_DEVICES 256 #define VIDEO_NAME "video4linux" @@ -391,6 +395,11 @@ static long v4l2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } else ret = -ENOTTY; + if (cmd == VIDIOC_DQBUF) + trace_v4l2_dqbuf(vdev->minor, (struct v4l2_buffer *)arg); + else if (cmd == VIDIOC_QBUF) + trace_v4l2_qbuf(vdev->minor, (struct v4l2_buffer *)arg); + return ret; } diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index 73035ee0f4de..178ce96556c6 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -558,6 +558,8 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, if (m2m_ctx->m2m_dev->m2m_ops->unlock) m2m_ctx->m2m_dev->m2m_ops->unlock(m2m_ctx->priv); + else if (m2m_ctx->q_lock) + mutex_unlock(m2m_ctx->q_lock); if (list_empty(&src_q->done_list)) poll_wait(file, &src_q->done_wq, wait); @@ -566,6 +568,8 @@ unsigned int v4l2_m2m_poll(struct file *file, struct v4l2_m2m_ctx *m2m_ctx, if (m2m_ctx->m2m_dev->m2m_ops->lock) m2m_ctx->m2m_dev->m2m_ops->lock(m2m_ctx->priv); + else if (m2m_ctx->q_lock) + mutex_lock(m2m_ctx->q_lock); spin_lock_irqsave(&src_q->done_lock, flags); if (!list_empty(&src_q->done_list)) @@ -693,6 +697,13 @@ struct v4l2_m2m_ctx *v4l2_m2m_ctx_init(struct v4l2_m2m_dev *m2m_dev, if (ret) goto err; + /* + * If both queues use same mutex assign it as the common buffer + * queues lock to the m2m context. This lock is used in the + * v4l2_m2m_ioctl_* helpers. + */ + if (out_q_ctx->q.lock == cap_q_ctx->q.lock) + m2m_ctx->q_lock = out_q_ctx->q.lock; return m2m_ctx; err: @@ -740,3 +751,118 @@ void v4l2_m2m_buf_queue(struct v4l2_m2m_ctx *m2m_ctx, struct vb2_buffer *vb) } EXPORT_SYMBOL_GPL(v4l2_m2m_buf_queue); +/* Videobuf2 ioctl helpers */ + +int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *rb) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_reqbufs(file, fh->m2m_ctx, rb); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_reqbufs); + +int v4l2_m2m_ioctl_create_bufs(struct file *file, void *priv, + struct v4l2_create_buffers *create) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_create_bufs(file, fh->m2m_ctx, create); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_create_bufs); + +int v4l2_m2m_ioctl_querybuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_querybuf(file, fh->m2m_ctx, buf); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_querybuf); + +int v4l2_m2m_ioctl_qbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_qbuf(file, fh->m2m_ctx, buf); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_qbuf); + +int v4l2_m2m_ioctl_dqbuf(struct file *file, void *priv, + struct v4l2_buffer *buf) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_dqbuf(file, fh->m2m_ctx, buf); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_dqbuf); + +int v4l2_m2m_ioctl_expbuf(struct file *file, void *priv, + struct v4l2_exportbuffer *eb) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_expbuf(file, fh->m2m_ctx, eb); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_expbuf); + +int v4l2_m2m_ioctl_streamon(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_streamon(file, fh->m2m_ctx, type); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_streamon); + +int v4l2_m2m_ioctl_streamoff(struct file *file, void *priv, + enum v4l2_buf_type type) +{ + struct v4l2_fh *fh = file->private_data; + + return v4l2_m2m_streamoff(file, fh->m2m_ctx, type); +} +EXPORT_SYMBOL_GPL(v4l2_m2m_ioctl_streamoff); + +/* + * v4l2_file_operations helpers. It is assumed here same lock is used + * for the output and the capture buffer queue. + */ + +int v4l2_m2m_fop_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct v4l2_fh *fh = file->private_data; + struct v4l2_m2m_ctx *m2m_ctx = fh->m2m_ctx; + int ret; + + if (m2m_ctx->q_lock && mutex_lock_interruptible(m2m_ctx->q_lock)) + return -ERESTARTSYS; + + ret = v4l2_m2m_mmap(file, m2m_ctx, vma); + + if (m2m_ctx->q_lock) + mutex_unlock(m2m_ctx->q_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(v4l2_m2m_fop_mmap); + +unsigned int v4l2_m2m_fop_poll(struct file *file, poll_table *wait) +{ + struct v4l2_fh *fh = file->private_data; + struct v4l2_m2m_ctx *m2m_ctx = fh->m2m_ctx; + unsigned int ret; + + if (m2m_ctx->q_lock) + mutex_lock(m2m_ctx->q_lock); + + ret = v4l2_m2m_poll(file, m2m_ctx, wait); + + if (m2m_ctx->q_lock) + mutex_unlock(m2m_ctx->q_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(v4l2_m2m_fop_poll); + diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 0edc165f418d..12df9fda2924 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -1135,6 +1135,8 @@ static int __qbuf_dmabuf(struct vb2_buffer *vb, const struct v4l2_buffer *b) if (planes[plane].length < planes[plane].data_offset + q->plane_sizes[plane]) { + dprintk(1, "qbuf: invalid dmabuf length for plane %d\n", + plane); ret = -EINVAL; goto err; } @@ -1716,8 +1718,8 @@ int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type) } if (q->streaming) { - dprintk(1, "streamon: already streaming\n"); - return -EBUSY; + dprintk(3, "streamon successful: already streaming\n"); + return 0; } /* @@ -1773,8 +1775,8 @@ int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type) } if (!q->streaming) { - dprintk(1, "streamoff: not streaming\n"); - return -EINVAL; + dprintk(3, "streamoff successful: not streaming\n"); + return 0; } /* @@ -2649,16 +2651,29 @@ int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma) } EXPORT_SYMBOL_GPL(vb2_fop_mmap); -int vb2_fop_release(struct file *file) +int _vb2_fop_release(struct file *file, struct mutex *lock) { struct video_device *vdev = video_devdata(file); if (file->private_data == vdev->queue->owner) { + if (lock) + mutex_lock(lock); vb2_queue_release(vdev->queue); vdev->queue->owner = NULL; + if (lock) + mutex_unlock(lock); } return v4l2_fh_release(file); } +EXPORT_SYMBOL_GPL(_vb2_fop_release); + +int vb2_fop_release(struct file *file) +{ + struct video_device *vdev = video_devdata(file); + struct mutex *lock = vdev->queue->lock ? vdev->queue->lock : vdev->lock; + + return _vb2_fop_release(file, lock); +} EXPORT_SYMBOL_GPL(vb2_fop_release); ssize_t vb2_fop_write(struct file *file, const char __user *buf, diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 0d3a8ffe47a3..c779f210d2c6 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -40,6 +40,7 @@ struct vb2_dma_sg_buf { unsigned int num_pages; atomic_t refcount; struct vb2_vmarea_handler handler; + struct vm_area_struct *vma; }; static void vb2_dma_sg_put(void *buf_priv); @@ -155,12 +156,18 @@ static void vb2_dma_sg_put(void *buf_priv) } } +static inline int vma_is_io(struct vm_area_struct *vma) +{ + return !!(vma->vm_flags & (VM_IO | VM_PFNMAP)); +} + static void *vb2_dma_sg_get_userptr(void *alloc_ctx, unsigned long vaddr, unsigned long size, int write) { struct vb2_dma_sg_buf *buf; unsigned long first, last; int num_pages_from_user; + struct vm_area_struct *vma; buf = kzalloc(sizeof *buf, GFP_KERNEL); if (!buf) @@ -180,7 +187,38 @@ static void *vb2_dma_sg_get_userptr(void *alloc_ctx, unsigned long vaddr, if (!buf->pages) goto userptr_fail_alloc_pages; - num_pages_from_user = get_user_pages(current, current->mm, + vma = find_vma(current->mm, vaddr); + if (!vma) { + dprintk(1, "no vma for address %lu\n", vaddr); + goto userptr_fail_find_vma; + } + + if (vma->vm_end < vaddr + size) { + dprintk(1, "vma at %lu is too small for %lu bytes\n", + vaddr, size); + goto userptr_fail_find_vma; + } + + buf->vma = vb2_get_vma(vma); + if (!buf->vma) { + dprintk(1, "failed to copy vma\n"); + goto userptr_fail_find_vma; + } + + if (vma_is_io(buf->vma)) { + for (num_pages_from_user = 0; + num_pages_from_user < buf->num_pages; + ++num_pages_from_user, vaddr += PAGE_SIZE) { + unsigned long pfn; + + if (follow_pfn(buf->vma, vaddr, &pfn)) { + dprintk(1, "no page for address %lu\n", vaddr); + break; + } + buf->pages[num_pages_from_user] = pfn_to_page(pfn); + } + } else + num_pages_from_user = get_user_pages(current, current->mm, vaddr & PAGE_MASK, buf->num_pages, write, @@ -200,9 +238,12 @@ static void *vb2_dma_sg_get_userptr(void *alloc_ctx, unsigned long vaddr, userptr_fail_alloc_table_from_pages: userptr_fail_get_user_pages: dprintk(1, "get_user_pages requested/got: %d/%d]\n", - num_pages_from_user, buf->num_pages); - while (--num_pages_from_user >= 0) - put_page(buf->pages[num_pages_from_user]); + buf->num_pages, num_pages_from_user); + if (!vma_is_io(buf->vma)) + while (--num_pages_from_user >= 0) + put_page(buf->pages[num_pages_from_user]); + vb2_put_vma(buf->vma); +userptr_fail_find_vma: kfree(buf->pages); userptr_fail_alloc_pages: kfree(buf); @@ -226,9 +267,11 @@ static void vb2_dma_sg_put_userptr(void *buf_priv) while (--i >= 0) { if (buf->write) set_page_dirty_lock(buf->pages[i]); - put_page(buf->pages[i]); + if (!vma_is_io(buf->vma)) + put_page(buf->pages[i]); } kfree(buf->pages); + vb2_put_vma(buf->vma); kfree(buf); } diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index 46f1e619cbd8..77288796540b 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -21,6 +21,8 @@ if STAGING_MEDIA # Please keep them in alphabetic order source "drivers/staging/media/as102/Kconfig" +source "drivers/staging/media/bcm2048/Kconfig" + source "drivers/staging/media/cxd2099/Kconfig" source "drivers/staging/media/davinci_vpfe/Kconfig" @@ -33,6 +35,8 @@ source "drivers/staging/media/msi3101/Kconfig" source "drivers/staging/media/solo6x10/Kconfig" +source "drivers/staging/media/omap4iss/Kconfig" + # Keep LIRC at the end, as it has sub-menus source "drivers/staging/media/lirc/Kconfig" diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index eb7f30b1ccd8..0bd1a88a27fa 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -1,4 +1,5 @@ obj-$(CONFIG_DVB_AS102) += as102/ +obj-$(CONFIG_I2C_BCM2048) += bcm2048/ obj-$(CONFIG_DVB_CXD2099) += cxd2099/ obj-$(CONFIG_LIRC_STAGING) += lirc/ obj-$(CONFIG_SOLO6X10) += solo6x10/ @@ -6,3 +7,4 @@ obj-$(CONFIG_VIDEO_DT3155) += dt3155v4l/ obj-$(CONFIG_VIDEO_GO7007) += go7007/ obj-$(CONFIG_USB_MSI3101) += msi3101/ obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci_vpfe/ +obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/ diff --git a/drivers/staging/media/as102/as102_drv.c b/drivers/staging/media/as102/as102_drv.c index ac92eaf6c74b..62218db6b940 100644 --- a/drivers/staging/media/as102/as102_drv.c +++ b/drivers/staging/media/as102/as102_drv.c @@ -112,8 +112,6 @@ static int as10x_pid_filter(struct as102_dev_t *dev, struct as10x_bus_adapter_t *bus_adap = &dev->bus_adap; int ret = -EFAULT; - ENTER(); - if (mutex_lock_interruptible(&dev->bus_adap.lock)) { dprintk(debug, "mutex_lock_interruptible(lock) failed !\n"); return -EBUSY; @@ -141,8 +139,6 @@ static int as10x_pid_filter(struct as102_dev_t *dev, } mutex_unlock(&dev->bus_adap.lock); - - LEAVE(); return ret; } @@ -152,8 +148,6 @@ static int as102_dvb_dmx_start_feed(struct dvb_demux_feed *dvbdmxfeed) struct dvb_demux *demux = dvbdmxfeed->demux; struct as102_dev_t *as102_dev = demux->priv; - ENTER(); - if (mutex_lock_interruptible(&as102_dev->sem)) return -ERESTARTSYS; @@ -165,7 +159,6 @@ static int as102_dvb_dmx_start_feed(struct dvb_demux_feed *dvbdmxfeed) ret = as102_start_stream(as102_dev); mutex_unlock(&as102_dev->sem); - LEAVE(); return ret; } @@ -174,8 +167,6 @@ static int as102_dvb_dmx_stop_feed(struct dvb_demux_feed *dvbdmxfeed) struct dvb_demux *demux = dvbdmxfeed->demux; struct as102_dev_t *as102_dev = demux->priv; - ENTER(); - if (mutex_lock_interruptible(&as102_dev->sem)) return -ERESTARTSYS; @@ -187,7 +178,6 @@ static int as102_dvb_dmx_stop_feed(struct dvb_demux_feed *dvbdmxfeed) dvbdmxfeed->pid, 0); mutex_unlock(&as102_dev->sem); - LEAVE(); return 0; } diff --git a/drivers/staging/media/as102/as102_drv.h b/drivers/staging/media/as102/as102_drv.h index b0e5a23bd532..a06837dcc05d 100644 --- a/drivers/staging/media/as102/as102_drv.h +++ b/drivers/staging/media/as102/as102_drv.h @@ -38,14 +38,6 @@ extern int elna_enable; printk(args); \ } } while (0) -#ifdef TRACE -#define ENTER() pr_debug(">> enter %s\n", __func__) -#define LEAVE() pr_debug("<< leave %s\n", __func__) -#else -#define ENTER() -#define LEAVE() -#endif - #define AS102_DEVICE_MAJOR 192 #define AS102_USB_BUF_SIZE 512 diff --git a/drivers/staging/media/as102/as102_fe.c b/drivers/staging/media/as102/as102_fe.c index 9ce8c9daa2e7..72b2c4813430 100644 --- a/drivers/staging/media/as102/as102_fe.c +++ b/drivers/staging/media/as102/as102_fe.c @@ -34,8 +34,6 @@ static int as102_fe_set_frontend(struct dvb_frontend *fe) struct as102_dev_t *dev; struct as10x_tune_args tune_args = { 0 }; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; @@ -52,7 +50,6 @@ static int as102_fe_set_frontend(struct dvb_frontend *fe) mutex_unlock(&dev->bus_adap.lock); - LEAVE(); return (ret < 0) ? -EINVAL : 0; } @@ -63,8 +60,6 @@ static int as102_fe_get_frontend(struct dvb_frontend *fe) struct as102_dev_t *dev; struct as10x_tps tps = { 0 }; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -EINVAL; @@ -80,13 +75,11 @@ static int as102_fe_get_frontend(struct dvb_frontend *fe) mutex_unlock(&dev->bus_adap.lock); - LEAVE(); return (ret < 0) ? -EINVAL : 0; } static int as102_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *settings) { - ENTER(); #if 0 dprintk(debug, "step_size = %d\n", settings->step_size); @@ -97,7 +90,6 @@ static int as102_fe_get_tune_settings(struct dvb_frontend *fe, settings->min_delay_ms = 1000; - LEAVE(); return 0; } @@ -108,8 +100,6 @@ static int as102_fe_read_status(struct dvb_frontend *fe, fe_status_t *status) struct as102_dev_t *dev; struct as10x_tune_status tstate = { 0 }; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; @@ -168,7 +158,6 @@ static int as102_fe_read_status(struct dvb_frontend *fe, fe_status_t *status) out: mutex_unlock(&dev->bus_adap.lock); - LEAVE(); return ret; } @@ -183,15 +172,12 @@ static int as102_fe_read_snr(struct dvb_frontend *fe, u16 *snr) { struct as102_dev_t *dev; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; *snr = dev->demod_stats.mer; - LEAVE(); return 0; } @@ -199,15 +185,12 @@ static int as102_fe_read_ber(struct dvb_frontend *fe, u32 *ber) { struct as102_dev_t *dev; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; *ber = dev->ber; - LEAVE(); return 0; } @@ -216,15 +199,12 @@ static int as102_fe_read_signal_strength(struct dvb_frontend *fe, { struct as102_dev_t *dev; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; *strength = (((0xffff * 400) * dev->signal_strength + 41000) * 2); - LEAVE(); return 0; } @@ -232,8 +212,6 @@ static int as102_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { struct as102_dev_t *dev; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; @@ -243,7 +221,6 @@ static int as102_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) else *ucblocks = 0; - LEAVE(); return 0; } @@ -252,8 +229,6 @@ static int as102_fe_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) struct as102_dev_t *dev; int ret; - ENTER(); - dev = (struct as102_dev_t *) fe->tuner_priv; if (dev == NULL) return -ENODEV; @@ -272,7 +247,6 @@ static int as102_fe_ts_bus_ctrl(struct dvb_frontend *fe, int acquire) mutex_unlock(&dev->bus_adap.lock); - LEAVE(); return ret; } diff --git a/drivers/staging/media/as102/as102_fw.c b/drivers/staging/media/as102/as102_fw.c index b9670ee41b4e..f33f752c0aad 100644 --- a/drivers/staging/media/as102/as102_fw.c +++ b/drivers/staging/media/as102/as102_fw.c @@ -26,10 +26,10 @@ #include "as102_drv.h" #include "as102_fw.h" -char as102_st_fw1[] = "as102_data1_st.hex"; -char as102_st_fw2[] = "as102_data2_st.hex"; -char as102_dt_fw1[] = "as102_data1_dt.hex"; -char as102_dt_fw2[] = "as102_data2_dt.hex"; +static const char as102_st_fw1[] = "as102_data1_st.hex"; +static const char as102_st_fw2[] = "as102_data2_st.hex"; +static const char as102_dt_fw1[] = "as102_data1_dt.hex"; +static const char as102_dt_fw2[] = "as102_data2_dt.hex"; static unsigned char atohx(unsigned char *dst, char *src) { @@ -109,8 +109,6 @@ static int as102_firmware_upload(struct as10x_bus_adapter_t *bus_adap, int total_read_bytes = 0, errno = 0; unsigned char addr_has_changed = 0; - ENTER(); - for (total_read_bytes = 0; total_read_bytes < firmware->size; ) { int read_bytes = 0, data_len = 0; @@ -158,7 +156,6 @@ static int as102_firmware_upload(struct as10x_bus_adapter_t *bus_adap, } } error: - LEAVE(); return (errno == 0) ? total_read_bytes : errno; } @@ -167,11 +164,9 @@ int as102_fw_upload(struct as10x_bus_adapter_t *bus_adap) int errno = -EFAULT; const struct firmware *firmware = NULL; unsigned char *cmd_buf = NULL; - char *fw1, *fw2; + const char *fw1, *fw2; struct usb_device *dev = bus_adap->usb_dev; - ENTER(); - /* select fw file to upload */ if (dual_tuner) { fw1 = as102_dt_fw1; @@ -233,6 +228,5 @@ error: kfree(cmd_buf); release_firmware(firmware); - LEAVE(); return errno; } diff --git a/drivers/staging/media/as102/as102_usb_drv.c b/drivers/staging/media/as102/as102_usb_drv.c index 9f275f020150..8759553decac 100644 --- a/drivers/staging/media/as102/as102_usb_drv.c +++ b/drivers/staging/media/as102/as102_usb_drv.c @@ -92,7 +92,6 @@ static int as102_usb_xfer_cmd(struct as10x_bus_adapter_t *bus_adap, unsigned char *recv_buf, int recv_buf_len) { int ret = 0; - ENTER(); if (send_buf != NULL) { ret = usb_control_msg(bus_adap->usb_dev, @@ -140,7 +139,6 @@ static int as102_usb_xfer_cmd(struct as10x_bus_adapter_t *bus_adap, #endif } - LEAVE(); return ret; } @@ -191,7 +189,7 @@ static int as102_read_ep2(struct as10x_bus_adapter_t *bus_adap, return ret ? ret : actual_len; } -struct as102_priv_ops_t as102_priv_ops = { +static struct as102_priv_ops_t as102_priv_ops = { .upload_fw_pkt = as102_send_ep1, .xfer_cmd = as102_usb_xfer_cmd, .as102_read_ep2 = as102_read_ep2, @@ -240,8 +238,6 @@ static void as102_free_usb_stream_buffer(struct as102_dev_t *dev) { int i; - ENTER(); - for (i = 0; i < MAX_STREAM_URB; i++) usb_free_urb(dev->stream_urb[i]); @@ -249,15 +245,12 @@ static void as102_free_usb_stream_buffer(struct as102_dev_t *dev) MAX_STREAM_URB * AS102_USB_BUF_SIZE, dev->stream, dev->dma_addr); - LEAVE(); } static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) { int i, ret = 0; - ENTER(); - dev->stream = usb_alloc_coherent(dev->bus_adap.usb_dev, MAX_STREAM_URB * AS102_USB_BUF_SIZE, GFP_KERNEL, @@ -287,7 +280,6 @@ static int as102_alloc_usb_stream_buffer(struct as102_dev_t *dev) dev->stream_urb[i] = urb; } - LEAVE(); return ret; } @@ -318,23 +310,17 @@ static void as102_usb_release(struct kref *kref) { struct as102_dev_t *as102_dev; - ENTER(); - as102_dev = container_of(kref, struct as102_dev_t, kref); if (as102_dev != NULL) { usb_put_dev(as102_dev->bus_adap.usb_dev); kfree(as102_dev); } - - LEAVE(); } static void as102_usb_disconnect(struct usb_interface *intf) { struct as102_dev_t *as102_dev; - ENTER(); - /* extract as102_dev_t from usb_device private data */ as102_dev = usb_get_intfdata(intf); @@ -353,8 +339,6 @@ static void as102_usb_disconnect(struct usb_interface *intf) kref_put(&as102_dev->kref, as102_usb_release); pr_info("%s: device has been disconnected\n", DRIVER_NAME); - - LEAVE(); } static int as102_usb_probe(struct usb_interface *intf, @@ -364,8 +348,6 @@ static int as102_usb_probe(struct usb_interface *intf, struct as102_dev_t *as102_dev; int i; - ENTER(); - /* This should never actually happen */ if (ARRAY_SIZE(as102_usb_id_table) != (sizeof(as102_device_names) / sizeof(const char *))) { @@ -424,7 +406,6 @@ static int as102_usb_probe(struct usb_interface *intf, /* register dvb layer */ ret = as102_dvb_register(as102_dev); - LEAVE(); return ret; failed: @@ -439,8 +420,6 @@ static int as102_open(struct inode *inode, struct file *file) struct usb_interface *intf = NULL; struct as102_dev_t *dev = NULL; - ENTER(); - /* read minor from inode */ minor = iminor(inode); @@ -467,7 +446,6 @@ static int as102_open(struct inode *inode, struct file *file) kref_get(&dev->kref); exit: - LEAVE(); return ret; } @@ -476,15 +454,12 @@ static int as102_release(struct inode *inode, struct file *file) int ret = 0; struct as102_dev_t *dev = NULL; - ENTER(); - dev = file->private_data; if (dev != NULL) { /* decrement the count on our device */ kref_put(&dev->kref, as102_usb_release); } - LEAVE(); return ret; } diff --git a/drivers/staging/media/as102/as10x_cmd.c b/drivers/staging/media/as102/as10x_cmd.c index a73df10982d0..9e49f15a7c9f 100644 --- a/drivers/staging/media/as102/as10x_cmd.c +++ b/drivers/staging/media/as102/as10x_cmd.c @@ -34,8 +34,6 @@ int as10x_cmd_turn_on(struct as10x_bus_adapter_t *adap) int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -63,7 +61,6 @@ int as10x_cmd_turn_on(struct as10x_bus_adapter_t *adap) error = as10x_rsp_parse(prsp, CONTROL_PROC_TURNON_RSP); out: - LEAVE(); return error; } @@ -78,8 +75,6 @@ int as10x_cmd_turn_off(struct as10x_bus_adapter_t *adap) int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -106,7 +101,6 @@ int as10x_cmd_turn_off(struct as10x_bus_adapter_t *adap) error = as10x_rsp_parse(prsp, CONTROL_PROC_TURNOFF_RSP); out: - LEAVE(); return error; } @@ -123,8 +117,6 @@ int as10x_cmd_set_tune(struct as10x_bus_adapter_t *adap, int error = AS10X_CMD_ERROR; struct as10x_cmd_t *preq, *prsp; - ENTER(); - preq = adap->cmd; prsp = adap->rsp; @@ -164,7 +156,6 @@ int as10x_cmd_set_tune(struct as10x_bus_adapter_t *adap, error = as10x_rsp_parse(prsp, CONTROL_PROC_SETTUNE_RSP); out: - LEAVE(); return error; } @@ -181,8 +172,6 @@ int as10x_cmd_get_tune_status(struct as10x_bus_adapter_t *adap, int error = AS10X_CMD_ERROR; struct as10x_cmd_t *preq, *prsp; - ENTER(); - preq = adap->cmd; prsp = adap->rsp; @@ -220,7 +209,6 @@ int as10x_cmd_get_tune_status(struct as10x_bus_adapter_t *adap, pstatus->BER = le16_to_cpu(prsp->body.get_tune_status.rsp.sts.BER); out: - LEAVE(); return error; } @@ -236,8 +224,6 @@ int as10x_cmd_get_tps(struct as10x_bus_adapter_t *adap, struct as10x_tps *ptps) int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -281,7 +267,6 @@ int as10x_cmd_get_tps(struct as10x_bus_adapter_t *adap, struct as10x_tps *ptps) ptps->cell_ID = le16_to_cpu(prsp->body.get_tps.rsp.tps.cell_ID); out: - LEAVE(); return error; } @@ -298,8 +283,6 @@ int as10x_cmd_get_demod_stats(struct as10x_bus_adapter_t *adap, int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -343,7 +326,6 @@ int as10x_cmd_get_demod_stats(struct as10x_bus_adapter_t *adap, prsp->body.get_demod_stats.rsp.stats.has_started; out: - LEAVE(); return error; } @@ -361,8 +343,6 @@ int as10x_cmd_get_impulse_resp(struct as10x_bus_adapter_t *adap, int error = AS10X_CMD_ERROR; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -397,7 +377,6 @@ int as10x_cmd_get_impulse_resp(struct as10x_bus_adapter_t *adap, *is_ready = prsp->body.get_impulse_rsp.rsp.is_ready; out: - LEAVE(); return error; } diff --git a/drivers/staging/media/as102/as10x_cmd_cfg.c b/drivers/staging/media/as102/as10x_cmd_cfg.c index 4a2bbd766655..b1e300d88753 100644 --- a/drivers/staging/media/as102/as10x_cmd_cfg.c +++ b/drivers/staging/media/as102/as10x_cmd_cfg.c @@ -40,8 +40,6 @@ int as10x_cmd_get_context(struct as10x_bus_adapter_t *adap, uint16_t tag, int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -81,7 +79,6 @@ int as10x_cmd_get_context(struct as10x_bus_adapter_t *adap, uint16_t tag, } out: - LEAVE(); return error; } @@ -99,8 +96,6 @@ int as10x_cmd_set_context(struct as10x_bus_adapter_t *adap, uint16_t tag, int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -136,7 +131,6 @@ int as10x_cmd_set_context(struct as10x_bus_adapter_t *adap, uint16_t tag, error = as10x_context_rsp_parse(prsp, CONTROL_PROC_CONTEXT_RSP); out: - LEAVE(); return error; } @@ -156,8 +150,6 @@ int as10x_cmd_eLNA_change_mode(struct as10x_bus_adapter_t *adap, uint8_t mode) int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -188,7 +180,6 @@ int as10x_cmd_eLNA_change_mode(struct as10x_bus_adapter_t *adap, uint8_t mode) error = as10x_rsp_parse(prsp, CONTROL_PROC_ELNA_CHANGE_MODE_RSP); out: - LEAVE(); return error; } diff --git a/drivers/staging/media/as102/as10x_cmd_stream.c b/drivers/staging/media/as102/as10x_cmd_stream.c index 6d000f60fb0e..1088ca1fe92f 100644 --- a/drivers/staging/media/as102/as10x_cmd_stream.c +++ b/drivers/staging/media/as102/as10x_cmd_stream.c @@ -34,8 +34,6 @@ int as10x_cmd_add_PID_filter(struct as10x_bus_adapter_t *adap, int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -77,7 +75,6 @@ int as10x_cmd_add_PID_filter(struct as10x_bus_adapter_t *adap, } out: - LEAVE(); return error; } @@ -94,8 +91,6 @@ int as10x_cmd_del_PID_filter(struct as10x_bus_adapter_t *adap, int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -126,7 +121,6 @@ int as10x_cmd_del_PID_filter(struct as10x_bus_adapter_t *adap, error = as10x_rsp_parse(prsp, CONTROL_PROC_REMOVEFILTER_RSP); out: - LEAVE(); return error; } @@ -141,8 +135,6 @@ int as10x_cmd_start_streaming(struct as10x_bus_adapter_t *adap) int error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -172,7 +164,6 @@ int as10x_cmd_start_streaming(struct as10x_bus_adapter_t *adap) error = as10x_rsp_parse(prsp, CONTROL_PROC_START_STREAMING_RSP); out: - LEAVE(); return error; } @@ -187,8 +178,6 @@ int as10x_cmd_stop_streaming(struct as10x_bus_adapter_t *adap) int8_t error; struct as10x_cmd_t *pcmd, *prsp; - ENTER(); - pcmd = adap->cmd; prsp = adap->rsp; @@ -218,6 +207,5 @@ int as10x_cmd_stop_streaming(struct as10x_bus_adapter_t *adap) error = as10x_rsp_parse(prsp, CONTROL_PROC_STOP_STREAMING_RSP); out: - LEAVE(); return error; } diff --git a/drivers/staging/media/bcm2048/Kconfig b/drivers/staging/media/bcm2048/Kconfig new file mode 100644 index 000000000000..a9fc6e186494 --- /dev/null +++ b/drivers/staging/media/bcm2048/Kconfig @@ -0,0 +1,13 @@ +# +# Multimedia Video device configuration +# + +config I2C_BCM2048 + tristate "Broadcom BCM2048 FM Radio Receiver support" + depends on I2C && VIDEO_V4L2 && RADIO_ADAPTERS + ---help--- + Say Y here if you want support to BCM2048 FM Radio Receiver. + This device driver supports only i2c bus. + + To compile this driver as a module, choose M here: the + module will be called radio-bcm2048. diff --git a/drivers/staging/media/bcm2048/Makefile b/drivers/staging/media/bcm2048/Makefile new file mode 100644 index 000000000000..b4f5663d1408 --- /dev/null +++ b/drivers/staging/media/bcm2048/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_I2C_BCM2048) += radio-bcm2048.o diff --git a/drivers/staging/media/bcm2048/TODO b/drivers/staging/media/bcm2048/TODO new file mode 100644 index 000000000000..051f85dbe89e --- /dev/null +++ b/drivers/staging/media/bcm2048/TODO @@ -0,0 +1,24 @@ +TODO: + +From the initial code review: + +The main thing you need to do is to implement all the controls using the +control framework (see Documentation/video4linux/v4l2-controls.txt). +Most drivers are by now converted to the control framework, so you will +find many examples of how to do this in drivers/media/radio. + +The sysfs stuff should be replaced by controls as well. A lot of the RDS +support is now available as controls (although there may well be some +missing features, but that is easy enough to add). Since the RDS data is +actually read() from the device I am not sure whether the RDS +properties/controls should be there at all. + +Correct Coding Style, as this driver also violates several Style +rules, and do evil tricks, like returning from a function inside a +macro. + +Finally this driver should probably be split up into two parts: one +v4l2_subdev-based core driver and one platform driver. See e.g. +radio-si4713/si4713-i2c.c as a good example. But I would wait with that +until the rest of the driver is cleaned up. Then I have a better idea of +whether this is necessary or not. diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.c b/drivers/staging/media/bcm2048/radio-bcm2048.c new file mode 100644 index 000000000000..494ec3916ef5 --- /dev/null +++ b/drivers/staging/media/bcm2048/radio-bcm2048.c @@ -0,0 +1,2745 @@ +/* + * drivers/staging/media/radio-bcm2048.c + * + * Driver for I2C Broadcom BCM2048 FM Radio Receiver: + * + * Copyright (C) Nokia Corporation + * Contact: Eero Nurkkala <ext-eero.nurkkala@nokia.com> + * + * Copyright (C) Nils Faerber <nils.faerber@kernelconcepts.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +/* + * History: + * Eero Nurkkala <ext-eero.nurkkala@nokia.com> + * Version 0.0.1 + * - Initial implementation + * 2010-02-21 Nils Faerber <nils.faerber@kernelconcepts.de> + * Version 0.0.2 + * - Add support for interrupt driven rds data reading + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/init.h> +#include <linux/version.h> +#include <linux/interrupt.h> +#include <linux/sysfs.h> +#include <linux/completion.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/videodev2.h> +#include <linux/mutex.h> +#include <linux/slab.h> +#include <media/v4l2-common.h> +#include <media/v4l2-ioctl.h> +#include "radio-bcm2048.h" + +/* driver definitions */ +#define BCM2048_DRIVER_AUTHOR "Eero Nurkkala <ext-eero.nurkkala@nokia.com>" +#define BCM2048_DRIVER_NAME BCM2048_NAME +#define BCM2048_DRIVER_VERSION KERNEL_VERSION(0, 0, 1) +#define BCM2048_DRIVER_CARD "Broadcom bcm2048 FM Radio Receiver" +#define BCM2048_DRIVER_DESC "I2C driver for BCM2048 FM Radio Receiver" + +/* I2C Control Registers */ +#define BCM2048_I2C_FM_RDS_SYSTEM 0x00 +#define BCM2048_I2C_FM_CTRL 0x01 +#define BCM2048_I2C_RDS_CTRL0 0x02 +#define BCM2048_I2C_RDS_CTRL1 0x03 +#define BCM2048_I2C_FM_AUDIO_PAUSE 0x04 +#define BCM2048_I2C_FM_AUDIO_CTRL0 0x05 +#define BCM2048_I2C_FM_AUDIO_CTRL1 0x06 +#define BCM2048_I2C_FM_SEARCH_CTRL0 0x07 +#define BCM2048_I2C_FM_SEARCH_CTRL1 0x08 +#define BCM2048_I2C_FM_SEARCH_TUNE_MODE 0x09 +#define BCM2048_I2C_FM_FREQ0 0x0a +#define BCM2048_I2C_FM_FREQ1 0x0b +#define BCM2048_I2C_FM_AF_FREQ0 0x0c +#define BCM2048_I2C_FM_AF_FREQ1 0x0d +#define BCM2048_I2C_FM_CARRIER 0x0e +#define BCM2048_I2C_FM_RSSI 0x0f +#define BCM2048_I2C_FM_RDS_MASK0 0x10 +#define BCM2048_I2C_FM_RDS_MASK1 0x11 +#define BCM2048_I2C_FM_RDS_FLAG0 0x12 +#define BCM2048_I2C_FM_RDS_FLAG1 0x13 +#define BCM2048_I2C_RDS_WLINE 0x14 +#define BCM2048_I2C_RDS_BLKB_MATCH0 0x16 +#define BCM2048_I2C_RDS_BLKB_MATCH1 0x17 +#define BCM2048_I2C_RDS_BLKB_MASK0 0x18 +#define BCM2048_I2C_RDS_BLKB_MASK1 0x19 +#define BCM2048_I2C_RDS_PI_MATCH0 0x1a +#define BCM2048_I2C_RDS_PI_MATCH1 0x1b +#define BCM2048_I2C_RDS_PI_MASK0 0x1c +#define BCM2048_I2C_RDS_PI_MASK1 0x1d +#define BCM2048_I2C_SPARE1 0x20 +#define BCM2048_I2C_SPARE2 0x21 +#define BCM2048_I2C_FM_RDS_REV 0x28 +#define BCM2048_I2C_SLAVE_CONFIGURATION 0x29 +#define BCM2048_I2C_RDS_DATA 0x80 +#define BCM2048_I2C_FM_BEST_TUNE_MODE 0x90 + +/* BCM2048_I2C_FM_RDS_SYSTEM */ +#define BCM2048_FM_ON 0x01 +#define BCM2048_RDS_ON 0x02 + +/* BCM2048_I2C_FM_CTRL */ +#define BCM2048_BAND_SELECT 0x01 +#define BCM2048_STEREO_MONO_AUTO_SELECT 0x02 +#define BCM2048_STEREO_MONO_MANUAL_SELECT 0x04 +#define BCM2048_STEREO_MONO_BLEND_SWITCH 0x08 +#define BCM2048_HI_LO_INJECTION 0x10 + +/* BCM2048_I2C_RDS_CTRL0 */ +#define BCM2048_RBDS_RDS_SELECT 0x01 +#define BCM2048_FLUSH_FIFO 0x02 + +/* BCM2048_I2C_FM_AUDIO_PAUSE */ +#define BCM2048_AUDIO_PAUSE_RSSI_TRESH 0x0f +#define BCM2048_AUDIO_PAUSE_DURATION 0xf0 + +/* BCM2048_I2C_FM_AUDIO_CTRL0 */ +#define BCM2048_RF_MUTE 0x01 +#define BCM2048_MANUAL_MUTE 0x02 +#define BCM2048_DAC_OUTPUT_LEFT 0x04 +#define BCM2048_DAC_OUTPUT_RIGHT 0x08 +#define BCM2048_AUDIO_ROUTE_DAC 0x10 +#define BCM2048_AUDIO_ROUTE_I2S 0x20 +#define BCM2048_DE_EMPHASIS_SELECT 0x40 +#define BCM2048_AUDIO_BANDWIDTH_SELECT 0x80 + +/* BCM2048_I2C_FM_SEARCH_CTRL0 */ +#define BCM2048_SEARCH_RSSI_THRESHOLD 0x7f +#define BCM2048_SEARCH_DIRECTION 0x80 + +/* BCM2048_I2C_FM_SEARCH_TUNE_MODE */ +#define BCM2048_FM_AUTO_SEARCH 0x03 + +/* BCM2048_I2C_FM_RSSI */ +#define BCM2048_RSSI_VALUE 0xff + +/* BCM2048_I2C_FM_RDS_MASK0 */ +/* BCM2048_I2C_FM_RDS_MASK1 */ +#define BCM2048_FM_FLAG_SEARCH_TUNE_FINISHED 0x01 +#define BCM2048_FM_FLAG_SEARCH_TUNE_FAIL 0x02 +#define BCM2048_FM_FLAG_RSSI_LOW 0x04 +#define BCM2048_FM_FLAG_CARRIER_ERROR_HIGH 0x08 +#define BCM2048_FM_FLAG_AUDIO_PAUSE_INDICATION 0x10 +#define BCM2048_FLAG_STEREO_DETECTED 0x20 +#define BCM2048_FLAG_STEREO_ACTIVE 0x40 + +/* BCM2048_I2C_RDS_DATA */ +#define BCM2048_SLAVE_ADDRESS 0x3f +#define BCM2048_SLAVE_ENABLE 0x80 + +/* BCM2048_I2C_FM_BEST_TUNE_MODE */ +#define BCM2048_BEST_TUNE_MODE 0x80 + +#define BCM2048_FM_FLAG_SEARCH_TUNE_FINISHED 0x01 +#define BCM2048_FM_FLAG_SEARCH_TUNE_FAIL 0x02 +#define BCM2048_FM_FLAG_RSSI_LOW 0x04 +#define BCM2048_FM_FLAG_CARRIER_ERROR_HIGH 0x08 +#define BCM2048_FM_FLAG_AUDIO_PAUSE_INDICATION 0x10 +#define BCM2048_FLAG_STEREO_DETECTED 0x20 +#define BCM2048_FLAG_STEREO_ACTIVE 0x40 + +#define BCM2048_RDS_FLAG_FIFO_WLINE 0x02 +#define BCM2048_RDS_FLAG_B_BLOCK_MATCH 0x08 +#define BCM2048_RDS_FLAG_SYNC_LOST 0x10 +#define BCM2048_RDS_FLAG_PI_MATCH 0x20 + +#define BCM2048_RDS_MARK_END_BYTE0 0x7C +#define BCM2048_RDS_MARK_END_BYTEN 0xFF + +#define BCM2048_FM_FLAGS_ALL (FM_FLAG_SEARCH_TUNE_FINISHED | \ + FM_FLAG_SEARCH_TUNE_FAIL | \ + FM_FLAG_RSSI_LOW | \ + FM_FLAG_CARRIER_ERROR_HIGH | \ + FM_FLAG_AUDIO_PAUSE_INDICATION | \ + FLAG_STEREO_DETECTED | FLAG_STEREO_ACTIVE) + +#define BCM2048_RDS_FLAGS_ALL (RDS_FLAG_FIFO_WLINE | \ + RDS_FLAG_B_BLOCK_MATCH | \ + RDS_FLAG_SYNC_LOST | RDS_FLAG_PI_MATCH) + +#define BCM2048_DEFAULT_TIMEOUT 1500 +#define BCM2048_AUTO_SEARCH_TIMEOUT 3000 + + +#define BCM2048_FREQDEV_UNIT 10000 +#define BCM2048_FREQV4L2_MULTI 625 +#define dev_to_v4l2(f) ((f * BCM2048_FREQDEV_UNIT) / BCM2048_FREQV4L2_MULTI) +#define v4l2_to_dev(f) ((f * BCM2048_FREQV4L2_MULTI) / BCM2048_FREQDEV_UNIT) + +#define msb(x) ((u8)((u16) x >> 8)) +#define lsb(x) ((u8)((u16) x & 0x00FF)) +#define compose_u16(msb, lsb) (((u16)msb << 8) | lsb) + +#define BCM2048_DEFAULT_POWERING_DELAY 20 +#define BCM2048_DEFAULT_REGION 0x02 +#define BCM2048_DEFAULT_MUTE 0x01 +#define BCM2048_DEFAULT_RSSI_THRESHOLD 0x64 +#define BCM2048_DEFAULT_RDS_WLINE 0x7E + +#define BCM2048_FM_SEARCH_INACTIVE 0x00 +#define BCM2048_FM_PRE_SET_MODE 0x01 +#define BCM2048_FM_AUTO_SEARCH_MODE 0x02 +#define BCM2048_FM_AF_JUMP_MODE 0x03 + +#define BCM2048_FREQUENCY_BASE 64000 + +#define BCM2048_POWER_ON 0x01 +#define BCM2048_POWER_OFF 0x00 + +#define BCM2048_ITEM_ENABLED 0x01 +#define BCM2048_SEARCH_DIRECTION_UP 0x01 + +#define BCM2048_DE_EMPHASIS_75us 75 +#define BCM2048_DE_EMPHASIS_50us 50 + +#define BCM2048_SCAN_FAIL 0x00 +#define BCM2048_SCAN_OK 0x01 + +#define BCM2048_FREQ_ERROR_FLOOR -20 +#define BCM2048_FREQ_ERROR_ROOF 20 + +/* -60 dB is reported as full signal strenght */ +#define BCM2048_RSSI_LEVEL_BASE -60 +#define BCM2048_RSSI_LEVEL_ROOF -100 +#define BCM2048_RSSI_LEVEL_ROOF_NEG 100 +#define BCM2048_SIGNAL_MULTIPLIER (0xFFFF / \ + (BCM2048_RSSI_LEVEL_ROOF_NEG + \ + BCM2048_RSSI_LEVEL_BASE)) + +#define BCM2048_RDS_FIFO_DUPLE_SIZE 0x03 +#define BCM2048_RDS_CRC_MASK 0x0F +#define BCM2048_RDS_CRC_NONE 0x00 +#define BCM2048_RDS_CRC_MAX_2BITS 0x04 +#define BCM2048_RDS_CRC_LEAST_2BITS 0x08 +#define BCM2048_RDS_CRC_UNRECOVARABLE 0x0C + +#define BCM2048_RDS_BLOCK_MASK 0xF0 +#define BCM2048_RDS_BLOCK_A 0x00 +#define BCM2048_RDS_BLOCK_B 0x10 +#define BCM2048_RDS_BLOCK_C 0x20 +#define BCM2048_RDS_BLOCK_D 0x30 +#define BCM2048_RDS_BLOCK_C_SCORED 0x40 +#define BCM2048_RDS_BLOCK_E 0x60 + +#define BCM2048_RDS_RT 0x20 +#define BCM2048_RDS_PS 0x00 + +#define BCM2048_RDS_GROUP_AB_MASK 0x08 +#define BCM2048_RDS_GROUP_A 0x00 +#define BCM2048_RDS_GROUP_B 0x08 + +#define BCM2048_RDS_RT_AB_MASK 0x10 +#define BCM2048_RDS_RT_A 0x00 +#define BCM2048_RDS_RT_B 0x10 +#define BCM2048_RDS_RT_INDEX 0x0F + +#define BCM2048_RDS_PS_INDEX 0x03 + +struct rds_info { + u16 rds_pi; +#define BCM2048_MAX_RDS_RT (64 + 1) + u8 rds_rt[BCM2048_MAX_RDS_RT]; + u8 rds_rt_group_b; + u8 rds_rt_ab; +#define BCM2048_MAX_RDS_PS (8 + 1) + u8 rds_ps[BCM2048_MAX_RDS_PS]; + u8 rds_ps_group; + u8 rds_ps_group_cnt; +#define BCM2048_MAX_RDS_RADIO_TEXT 255 + u8 radio_text[BCM2048_MAX_RDS_RADIO_TEXT + 3]; + u8 text_len; +}; + +struct region_info { + u32 bottom_frequency; + u32 top_frequency; + u8 deemphasis; + u8 channel_spacing; + u8 region; +}; + +struct bcm2048_device { + struct i2c_client *client; + struct video_device *videodev; + struct work_struct work; + struct completion compl; + struct mutex mutex; + struct bcm2048_platform_data *platform_data; + struct rds_info rds_info; + struct region_info region_info; + u16 frequency; + u8 cache_fm_rds_system; + u8 cache_fm_ctrl; + u8 cache_fm_audio_ctrl0; + u8 cache_fm_search_ctrl0; + u8 power_state; + u8 rds_state; + u8 fifo_size; + u8 scan_state; + u8 mute_state; + + /* for rds data device read */ + wait_queue_head_t read_queue; + unsigned int users; + unsigned char rds_data_available; + unsigned int rd_index; +}; + +static int radio_nr = -1; /* radio device minor (-1 ==> auto assign) */ +module_param(radio_nr, int, 0); +MODULE_PARM_DESC(radio_nr, + "Minor number for radio device (-1 ==> auto assign)"); + +static struct region_info region_configs[] = { + /* USA */ + { + .channel_spacing = 20, + .bottom_frequency = 87500, + .top_frequency = 108000, + .deemphasis = 75, + .region = 0, + }, + /* Australia */ + { + .channel_spacing = 20, + .bottom_frequency = 87500, + .top_frequency = 108000, + .deemphasis = 50, + .region = 1, + }, + /* Europe */ + { + .channel_spacing = 10, + .bottom_frequency = 87500, + .top_frequency = 108000, + .deemphasis = 50, + .region = 2, + }, + /* Japan */ + { + .channel_spacing = 10, + .bottom_frequency = 76000, + .top_frequency = 90000, + .deemphasis = 50, + .region = 3, + }, + /* Japan wide band */ + { + .channel_spacing = 10, + .bottom_frequency = 76000, + .top_frequency = 108000, + .deemphasis = 50, + .region = 4, + }, +}; + +/* + * I2C Interface read / write + */ +static int bcm2048_send_command(struct bcm2048_device *bdev, unsigned int reg, + unsigned int value) +{ + struct i2c_client *client = bdev->client; + u8 data[2]; + + if (!bdev->power_state) { + dev_err(&bdev->client->dev, "bcm2048: chip not powered!\n"); + return -EIO; + } + + data[0] = reg & 0xff; + data[1] = value & 0xff; + + if (i2c_master_send(client, data, 2) == 2) { + return 0; + } else { + dev_err(&bdev->client->dev, "BCM I2C error!\n"); + dev_err(&bdev->client->dev, "Is Bluetooth up and running?\n"); + return -EIO; + } +} + +static int bcm2048_recv_command(struct bcm2048_device *bdev, unsigned int reg, + u8 *value) +{ + struct i2c_client *client = bdev->client; + + if (!bdev->power_state) { + dev_err(&bdev->client->dev, "bcm2048: chip not powered!\n"); + return -EIO; + } + + value[0] = i2c_smbus_read_byte_data(client, reg & 0xff); + + return 0; +} + +static int bcm2048_recv_duples(struct bcm2048_device *bdev, unsigned int reg, + u8 *value, u8 duples) +{ + struct i2c_client *client = bdev->client; + struct i2c_adapter *adap = client->adapter; + struct i2c_msg msg[2]; + u8 buf; + + if (!bdev->power_state) { + dev_err(&bdev->client->dev, "bcm2048: chip not powered!\n"); + return -EIO; + } + + buf = reg & 0xff; + + msg[0].addr = client->addr; + msg[0].flags = client->flags & I2C_M_TEN; + msg[0].len = 1; + msg[0].buf = &buf; + + msg[1].addr = client->addr; + msg[1].flags = client->flags & I2C_M_TEN; + msg[1].flags |= I2C_M_RD; + msg[1].len = duples; + msg[1].buf = value; + + return i2c_transfer(adap, msg, 2); +} + +/* + * BCM2048 - I2C register programming helpers + */ +static int bcm2048_set_power_state(struct bcm2048_device *bdev, u8 power) +{ + int err = 0; + + mutex_lock(&bdev->mutex); + + if (power) { + bdev->power_state = BCM2048_POWER_ON; + bdev->cache_fm_rds_system |= BCM2048_FM_ON; + } else { + bdev->cache_fm_rds_system &= ~BCM2048_FM_ON; + } + + /* + * Warning! FM cannot be turned off because then + * the I2C communications get ruined! + * Comment off the "if (power)" when the chip works! + */ + if (power) + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_SYSTEM, + bdev->cache_fm_rds_system); + msleep(BCM2048_DEFAULT_POWERING_DELAY); + + if (!power) + bdev->power_state = BCM2048_POWER_OFF; + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_power_state(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_SYSTEM, &value); + + mutex_unlock(&bdev->mutex); + + if (!err && (value & BCM2048_FM_ON)) + return BCM2048_POWER_ON; + + return err; +} + +static int bcm2048_set_rds_no_lock(struct bcm2048_device *bdev, u8 rds_on) +{ + int err; + u8 flags; + + bdev->cache_fm_rds_system &= ~BCM2048_RDS_ON; + + if (rds_on) { + bdev->cache_fm_rds_system |= BCM2048_RDS_ON; + bdev->rds_state = BCM2048_RDS_ON; + flags = BCM2048_RDS_FLAG_FIFO_WLINE; + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_MASK1, + flags); + } else { + flags = 0; + bdev->rds_state = 0; + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_MASK1, + flags); + memset(&bdev->rds_info, 0, sizeof(bdev->rds_info)); + } + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_SYSTEM, + bdev->cache_fm_rds_system); + + return err; +} + +static int bcm2048_get_rds_no_lock(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_SYSTEM, &value); + + if (!err && (value & BCM2048_RDS_ON)) + return BCM2048_ITEM_ENABLED; + + return err; +} + +static int bcm2048_set_rds(struct bcm2048_device *bdev, u8 rds_on) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_set_rds_no_lock(bdev, rds_on); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds(struct bcm2048_device *bdev) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_get_rds_no_lock(bdev); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_pi(struct bcm2048_device *bdev) +{ + return bdev->rds_info.rds_pi; +} + +static int bcm2048_set_fm_automatic_stereo_mono(struct bcm2048_device *bdev, + u8 enabled) +{ + int err; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_ctrl &= ~BCM2048_STEREO_MONO_AUTO_SELECT; + + if (enabled) + bdev->cache_fm_ctrl |= BCM2048_STEREO_MONO_AUTO_SELECT; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_CTRL, + bdev->cache_fm_ctrl); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_set_fm_hi_lo_injection(struct bcm2048_device *bdev, + u8 hi_lo) +{ + int err; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_ctrl &= ~BCM2048_HI_LO_INJECTION; + + if (hi_lo) + bdev->cache_fm_ctrl |= BCM2048_HI_LO_INJECTION; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_CTRL, + bdev->cache_fm_ctrl); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_hi_lo_injection(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_CTRL, &value); + + mutex_unlock(&bdev->mutex); + + if (!err && (value & BCM2048_HI_LO_INJECTION)) + return BCM2048_ITEM_ENABLED; + + return err; +} + +static int bcm2048_set_fm_frequency(struct bcm2048_device *bdev, u32 frequency) +{ + int err; + + if (frequency < bdev->region_info.bottom_frequency || + frequency > bdev->region_info.top_frequency) + return -EDOM; + + frequency -= BCM2048_FREQUENCY_BASE; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_FREQ0, lsb(frequency)); + err |= bcm2048_send_command(bdev, BCM2048_I2C_FM_FREQ1, + msb(frequency)); + + if (!err) + bdev->frequency = frequency; + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_frequency(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_FREQ0, &lsb); + err |= bcm2048_recv_command(bdev, BCM2048_I2C_FM_FREQ1, &msb); + + mutex_unlock(&bdev->mutex); + + if (err) + return err; + + err = compose_u16(msb, lsb); + err += BCM2048_FREQUENCY_BASE; + + return err; +} + +static int bcm2048_set_fm_af_frequency(struct bcm2048_device *bdev, + u32 frequency) +{ + int err; + + if (frequency < bdev->region_info.bottom_frequency || + frequency > bdev->region_info.top_frequency) + return -EDOM; + + frequency -= BCM2048_FREQUENCY_BASE; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_AF_FREQ0, + lsb(frequency)); + err |= bcm2048_send_command(bdev, BCM2048_I2C_FM_AF_FREQ1, + msb(frequency)); + if (!err) + bdev->frequency = frequency; + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_af_frequency(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_AF_FREQ0, &lsb); + err |= bcm2048_recv_command(bdev, BCM2048_I2C_FM_AF_FREQ1, &msb); + + mutex_unlock(&bdev->mutex); + + if (err) + return err; + + err = compose_u16(msb, lsb); + err += BCM2048_FREQUENCY_BASE; + + return err; +} + +static int bcm2048_set_fm_deemphasis(struct bcm2048_device *bdev, int d) +{ + int err; + u8 deemphasis; + + if (d == BCM2048_DE_EMPHASIS_75us) + deemphasis = BCM2048_DE_EMPHASIS_SELECT; + else + deemphasis = 0; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_audio_ctrl0 &= ~BCM2048_DE_EMPHASIS_SELECT; + bdev->cache_fm_audio_ctrl0 |= deemphasis; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, + bdev->cache_fm_audio_ctrl0); + + if (!err) + bdev->region_info.deemphasis = d; + + mutex_unlock(&bdev->mutex); + + return err; +} + +static int bcm2048_get_fm_deemphasis(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, &value); + + mutex_unlock(&bdev->mutex); + + if (!err) { + if (value & BCM2048_DE_EMPHASIS_SELECT) + return BCM2048_DE_EMPHASIS_75us; + else + return BCM2048_DE_EMPHASIS_50us; + } + + return err; +} + +static int bcm2048_set_region(struct bcm2048_device *bdev, u8 region) +{ + int err; + u32 new_frequency = 0; + + if (region > ARRAY_SIZE(region_configs)) + return -EINVAL; + + mutex_lock(&bdev->mutex); + memcpy(&bdev->region_info, ®ion_configs[region], + sizeof(struct region_info)); + mutex_unlock(&bdev->mutex); + + if (bdev->frequency < region_configs[region].bottom_frequency || + bdev->frequency > region_configs[region].top_frequency) + new_frequency = region_configs[region].bottom_frequency; + + if (new_frequency > 0) { + err = bcm2048_set_fm_frequency(bdev, new_frequency); + + if (err) + goto done; + } + + err = bcm2048_set_fm_deemphasis(bdev, + region_configs[region].deemphasis); + +done: + return err; +} + +static int bcm2048_get_region(struct bcm2048_device *bdev) +{ + int err; + + mutex_lock(&bdev->mutex); + err = bdev->region_info.region; + mutex_unlock(&bdev->mutex); + + return err; +} + +static int bcm2048_set_mute(struct bcm2048_device *bdev, u16 mute) +{ + int err; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_audio_ctrl0 &= ~(BCM2048_RF_MUTE | BCM2048_MANUAL_MUTE); + + if (mute) + bdev->cache_fm_audio_ctrl0 |= (BCM2048_RF_MUTE | + BCM2048_MANUAL_MUTE); + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, + bdev->cache_fm_audio_ctrl0); + + if (!err) + bdev->mute_state = mute; + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_mute(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + if (bdev->power_state) { + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, + &value); + if (!err) + err = value & (BCM2048_RF_MUTE | BCM2048_MANUAL_MUTE); + } else { + err = bdev->mute_state; + } + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_set_audio_route(struct bcm2048_device *bdev, u8 route) +{ + int err; + + mutex_lock(&bdev->mutex); + + route &= (BCM2048_AUDIO_ROUTE_DAC | BCM2048_AUDIO_ROUTE_I2S); + bdev->cache_fm_audio_ctrl0 &= ~(BCM2048_AUDIO_ROUTE_DAC | + BCM2048_AUDIO_ROUTE_I2S); + bdev->cache_fm_audio_ctrl0 |= route; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, + bdev->cache_fm_audio_ctrl0); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_audio_route(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, &value); + + mutex_unlock(&bdev->mutex); + + if (!err) + return value & (BCM2048_AUDIO_ROUTE_DAC | + BCM2048_AUDIO_ROUTE_I2S); + + return err; +} + +static int bcm2048_set_dac_output(struct bcm2048_device *bdev, u8 channels) +{ + int err; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_audio_ctrl0 &= ~(BCM2048_DAC_OUTPUT_LEFT | + BCM2048_DAC_OUTPUT_RIGHT); + bdev->cache_fm_audio_ctrl0 |= channels; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, + bdev->cache_fm_audio_ctrl0); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_dac_output(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_AUDIO_CTRL0, &value); + + mutex_unlock(&bdev->mutex); + + if (!err) + return value & (BCM2048_DAC_OUTPUT_LEFT | + BCM2048_DAC_OUTPUT_RIGHT); + + return err; +} + +static int bcm2048_set_fm_search_rssi_threshold(struct bcm2048_device *bdev, + u8 threshold) +{ + int err; + + mutex_lock(&bdev->mutex); + + threshold &= BCM2048_SEARCH_RSSI_THRESHOLD; + bdev->cache_fm_search_ctrl0 &= ~BCM2048_SEARCH_RSSI_THRESHOLD; + bdev->cache_fm_search_ctrl0 |= threshold; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_SEARCH_CTRL0, + bdev->cache_fm_search_ctrl0); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_search_rssi_threshold(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_SEARCH_CTRL0, &value); + + mutex_unlock(&bdev->mutex); + + if (!err) + return value & BCM2048_SEARCH_RSSI_THRESHOLD; + + return err; +} + +static int bcm2048_set_fm_search_mode_direction(struct bcm2048_device *bdev, + u8 direction) +{ + int err; + + mutex_lock(&bdev->mutex); + + bdev->cache_fm_search_ctrl0 &= ~BCM2048_SEARCH_DIRECTION; + + if (direction) + bdev->cache_fm_search_ctrl0 |= BCM2048_SEARCH_DIRECTION; + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_SEARCH_CTRL0, + bdev->cache_fm_search_ctrl0); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_search_mode_direction(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_SEARCH_CTRL0, &value); + + mutex_unlock(&bdev->mutex); + + if (!err && (value & BCM2048_SEARCH_DIRECTION)) + return BCM2048_SEARCH_DIRECTION_UP; + + return err; +} + +static int bcm2048_set_fm_search_tune_mode(struct bcm2048_device *bdev, + u8 mode) +{ + int err, timeout, restart_rds = 0; + u8 value, flags; + + value = mode & BCM2048_FM_AUTO_SEARCH; + + flags = BCM2048_FM_FLAG_SEARCH_TUNE_FINISHED | + BCM2048_FM_FLAG_SEARCH_TUNE_FAIL; + + mutex_lock(&bdev->mutex); + + /* + * If RDS is enabled, and frequency is changed, RDS quits working. + * Thus, always restart RDS if it's enabled. Moreover, RDS must + * not be enabled while changing the frequency because it can + * provide a race to the mutex from the workqueue handler if RDS + * IRQ occurs while waiting for frequency changed IRQ. + */ + if (bcm2048_get_rds_no_lock(bdev)) { + err = bcm2048_set_rds_no_lock(bdev, 0); + if (err) + goto unlock; + restart_rds = 1; + } + + err = bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_MASK0, flags); + + if (err) + goto unlock; + + bcm2048_send_command(bdev, BCM2048_I2C_FM_SEARCH_TUNE_MODE, value); + + if (mode != BCM2048_FM_AUTO_SEARCH_MODE) + timeout = BCM2048_DEFAULT_TIMEOUT; + else + timeout = BCM2048_AUTO_SEARCH_TIMEOUT; + + if (!wait_for_completion_timeout(&bdev->compl, + msecs_to_jiffies(timeout))) + dev_err(&bdev->client->dev, "IRQ timeout.\n"); + + if (value) + if (!bdev->scan_state) + err = -EIO; + +unlock: + if (restart_rds) + err |= bcm2048_set_rds_no_lock(bdev, 1); + + mutex_unlock(&bdev->mutex); + + return err; +} + +static int bcm2048_get_fm_search_tune_mode(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_SEARCH_TUNE_MODE, + &value); + + mutex_unlock(&bdev->mutex); + + if (!err) + return value & BCM2048_FM_AUTO_SEARCH; + + return err; +} + +static int bcm2048_set_rds_b_block_mask(struct bcm2048_device *bdev, u16 mask) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, + BCM2048_I2C_RDS_BLKB_MASK0, lsb(mask)); + err |= bcm2048_send_command(bdev, + BCM2048_I2C_RDS_BLKB_MASK1, msb(mask)); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_b_block_mask(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_BLKB_MASK0, &lsb); + err |= bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_BLKB_MASK1, &msb); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(msb, lsb); + + return err; +} + +static int bcm2048_set_rds_b_block_match(struct bcm2048_device *bdev, + u16 match) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, + BCM2048_I2C_RDS_BLKB_MATCH0, lsb(match)); + err |= bcm2048_send_command(bdev, + BCM2048_I2C_RDS_BLKB_MATCH1, msb(match)); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_b_block_match(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_BLKB_MATCH0, &lsb); + err |= bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_BLKB_MATCH1, &msb); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(msb, lsb); + + return err; +} + +static int bcm2048_set_rds_pi_mask(struct bcm2048_device *bdev, u16 mask) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, + BCM2048_I2C_RDS_PI_MASK0, lsb(mask)); + err |= bcm2048_send_command(bdev, + BCM2048_I2C_RDS_PI_MASK1, msb(mask)); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_pi_mask(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_PI_MASK0, &lsb); + err |= bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_PI_MASK1, &msb); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(msb, lsb); + + return err; +} + +static int bcm2048_set_rds_pi_match(struct bcm2048_device *bdev, u16 match) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, + BCM2048_I2C_RDS_PI_MATCH0, lsb(match)); + err |= bcm2048_send_command(bdev, + BCM2048_I2C_RDS_PI_MATCH1, msb(match)); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_pi_match(struct bcm2048_device *bdev) +{ + int err; + u8 lsb, msb; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_PI_MATCH0, &lsb); + err |= bcm2048_recv_command(bdev, + BCM2048_I2C_RDS_PI_MATCH1, &msb); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(msb, lsb); + + return err; +} + +static int bcm2048_set_fm_rds_mask(struct bcm2048_device *bdev, u16 mask) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, + BCM2048_I2C_FM_RDS_MASK0, lsb(mask)); + err |= bcm2048_send_command(bdev, + BCM2048_I2C_FM_RDS_MASK1, msb(mask)); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_rds_mask(struct bcm2048_device *bdev) +{ + int err; + u8 value0, value1; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_MASK0, &value0); + err |= bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_MASK1, &value1); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(value1, value0); + + return err; +} + +static int bcm2048_get_fm_rds_flags(struct bcm2048_device *bdev) +{ + int err; + u8 value0, value1; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_FLAG0, &value0); + err |= bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_FLAG1, &value1); + + mutex_unlock(&bdev->mutex); + + if (!err) + return compose_u16(value1, value0); + + return err; +} + +static int bcm2048_get_region_bottom_frequency(struct bcm2048_device *bdev) +{ + return bdev->region_info.bottom_frequency; +} + +static int bcm2048_get_region_top_frequency(struct bcm2048_device *bdev) +{ + return bdev->region_info.top_frequency; +} + +static int bcm2048_set_fm_best_tune_mode(struct bcm2048_device *bdev, u8 mode) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + /* Perform read as the manual indicates */ + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_BEST_TUNE_MODE, + &value); + value &= ~BCM2048_BEST_TUNE_MODE; + + if (mode) + value |= BCM2048_BEST_TUNE_MODE; + err |= bcm2048_send_command(bdev, BCM2048_I2C_FM_BEST_TUNE_MODE, + value); + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_fm_best_tune_mode(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_BEST_TUNE_MODE, + &value); + + mutex_unlock(&bdev->mutex); + + if (!err && (value & BCM2048_BEST_TUNE_MODE)) + return BCM2048_ITEM_ENABLED; + + return err; +} + +static int bcm2048_get_fm_carrier_error(struct bcm2048_device *bdev) +{ + int err = 0; + s8 value; + + mutex_lock(&bdev->mutex); + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_CARRIER, &value); + mutex_unlock(&bdev->mutex); + + if (!err) + return value; + + return err; +} + +static int bcm2048_get_fm_rssi(struct bcm2048_device *bdev) +{ + int err; + s8 value; + + mutex_lock(&bdev->mutex); + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RSSI, &value); + mutex_unlock(&bdev->mutex); + + if (!err) + return value; + + return err; +} + +static int bcm2048_set_rds_wline(struct bcm2048_device *bdev, u8 wline) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_send_command(bdev, BCM2048_I2C_RDS_WLINE, wline); + + if (!err) + bdev->fifo_size = wline; + + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_wline(struct bcm2048_device *bdev) +{ + int err; + u8 value; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_RDS_WLINE, &value); + + mutex_unlock(&bdev->mutex); + + if (!err) { + bdev->fifo_size = value; + return value; + } + + return err; +} + +static int bcm2048_checkrev(struct bcm2048_device *bdev) +{ + int err; + u8 version; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_REV, &version); + + mutex_unlock(&bdev->mutex); + + if (!err) { + dev_info(&bdev->client->dev, "BCM2048 Version 0x%x\n", + version); + return version; + } + + return err; +} + +static int bcm2048_get_rds_rt(struct bcm2048_device *bdev, char *data) +{ + int err = 0, i, j = 0, ce = 0, cr = 0; + char data_buffer[BCM2048_MAX_RDS_RT+1]; + + mutex_lock(&bdev->mutex); + + if (!bdev->rds_info.text_len) { + err = -EINVAL; + goto unlock; + } + + for (i = 0; i < BCM2048_MAX_RDS_RT; i++) { + if (bdev->rds_info.rds_rt[i]) { + ce = i; + /* Skip the carriage return */ + if (bdev->rds_info.rds_rt[i] != 0x0d) { + data_buffer[j++] = bdev->rds_info.rds_rt[i]; + } else { + cr = i; + break; + } + } + } + + if (j <= BCM2048_MAX_RDS_RT) + data_buffer[j] = 0; + + for (i = 0; i < BCM2048_MAX_RDS_RT; i++) { + if (!bdev->rds_info.rds_rt[i]) { + if (cr && (i < cr)) { + err = -EBUSY; + goto unlock; + } + if (i < ce) { + if (cr && (i >= cr)) + break; + err = -EBUSY; + goto unlock; + } + } + } + + memcpy(data, data_buffer, sizeof(data_buffer)); + +unlock: + mutex_unlock(&bdev->mutex); + return err; +} + +static int bcm2048_get_rds_ps(struct bcm2048_device *bdev, char *data) +{ + int err = 0, i, j = 0; + char data_buffer[BCM2048_MAX_RDS_PS+1]; + + mutex_lock(&bdev->mutex); + + if (!bdev->rds_info.text_len) { + err = -EINVAL; + goto unlock; + } + + for (i = 0; i < BCM2048_MAX_RDS_PS; i++) { + if (bdev->rds_info.rds_ps[i]) { + data_buffer[j++] = bdev->rds_info.rds_ps[i]; + } else { + if (i < (BCM2048_MAX_RDS_PS - 1)) { + err = -EBUSY; + goto unlock; + } + } + } + + if (j <= BCM2048_MAX_RDS_PS) + data_buffer[j] = 0; + + memcpy(data, data_buffer, sizeof(data_buffer)); + +unlock: + mutex_unlock(&bdev->mutex); + return err; +} + +static void bcm2048_parse_rds_pi(struct bcm2048_device *bdev) +{ + int i, cnt = 0; + u16 pi; + + for (i = 0; i < bdev->fifo_size; i += BCM2048_RDS_FIFO_DUPLE_SIZE) { + + /* Block A match, only data without crc errors taken */ + if (bdev->rds_info.radio_text[i] == BCM2048_RDS_BLOCK_A) { + + pi = ((bdev->rds_info.radio_text[i+1] << 8) + + bdev->rds_info.radio_text[i+2]); + + if (!bdev->rds_info.rds_pi) { + bdev->rds_info.rds_pi = pi; + return; + } + if (pi != bdev->rds_info.rds_pi) { + cnt++; + if (cnt > 3) { + bdev->rds_info.rds_pi = pi; + cnt = 0; + } + } else { + cnt = 0; + } + } + } +} + +static int bcm2048_rds_block_crc(struct bcm2048_device *bdev, int i) +{ + return bdev->rds_info.radio_text[i] & BCM2048_RDS_CRC_MASK; +} + +static void bcm2048_parse_rds_rt_block(struct bcm2048_device *bdev, int i, + int index, int crc) +{ + /* Good data will overwrite poor data */ + if (crc) { + if (!bdev->rds_info.rds_rt[index]) + bdev->rds_info.rds_rt[index] = + bdev->rds_info.radio_text[i+1]; + if (!bdev->rds_info.rds_rt[index+1]) + bdev->rds_info.rds_rt[index+1] = + bdev->rds_info.radio_text[i+2]; + } else { + bdev->rds_info.rds_rt[index] = bdev->rds_info.radio_text[i+1]; + bdev->rds_info.rds_rt[index+1] = + bdev->rds_info.radio_text[i+2]; + } +} + +static int bcm2048_parse_rt_match_b(struct bcm2048_device *bdev, int i) +{ + int crc, rt_id, rt_group_b, rt_ab, index = 0; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return -EIO; + + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_B) { + + rt_id = (bdev->rds_info.radio_text[i+1] & + BCM2048_RDS_BLOCK_MASK); + rt_group_b = bdev->rds_info.radio_text[i+1] & + BCM2048_RDS_GROUP_AB_MASK; + rt_ab = bdev->rds_info.radio_text[i+2] & + BCM2048_RDS_RT_AB_MASK; + + if (rt_group_b != bdev->rds_info.rds_rt_group_b) { + memset(bdev->rds_info.rds_rt, 0, + sizeof(bdev->rds_info.rds_rt)); + bdev->rds_info.rds_rt_group_b = rt_group_b; + } + + if (rt_id == BCM2048_RDS_RT) { + /* A to B or (vice versa), means: clear screen */ + if (rt_ab != bdev->rds_info.rds_rt_ab) { + memset(bdev->rds_info.rds_rt, 0, + sizeof(bdev->rds_info.rds_rt)); + bdev->rds_info.rds_rt_ab = rt_ab; + } + + index = bdev->rds_info.radio_text[i+2] & + BCM2048_RDS_RT_INDEX; + + if (bdev->rds_info.rds_rt_group_b) + index <<= 1; + else + index <<= 2; + + return index; + } + } + + return -EIO; +} + +static int bcm2048_parse_rt_match_c(struct bcm2048_device *bdev, int i, + int index) +{ + int crc; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return 0; + + BUG_ON((index+2) >= BCM2048_MAX_RDS_RT); + + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_C) { + if (bdev->rds_info.rds_rt_group_b) + return 1; + bcm2048_parse_rds_rt_block(bdev, i, index, crc); + return 1; + } + + return 0; +} + +static void bcm2048_parse_rt_match_d(struct bcm2048_device *bdev, int i, + int index) +{ + int crc; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return; + + BUG_ON((index+4) >= BCM2048_MAX_RDS_RT); + + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_D) + bcm2048_parse_rds_rt_block(bdev, i, index+2, crc); +} + +static int bcm2048_parse_rds_rt(struct bcm2048_device *bdev) +{ + int i, index = 0, crc, match_b = 0, match_c = 0, match_d = 0; + + for (i = 0; i < bdev->fifo_size; i += BCM2048_RDS_FIFO_DUPLE_SIZE) { + + if (match_b) { + match_b = 0; + index = bcm2048_parse_rt_match_b(bdev, i); + if (index >= 0 && index <= (BCM2048_MAX_RDS_RT - 5)) + match_c = 1; + continue; + } else if (match_c) { + match_c = 0; + if (bcm2048_parse_rt_match_c(bdev, i, index)) + match_d = 1; + continue; + } else if (match_d) { + match_d = 0; + bcm2048_parse_rt_match_d(bdev, i, index); + continue; + } + + /* Skip erroneous blocks due to messed up A block altogether */ + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) + == BCM2048_RDS_BLOCK_A) { + crc = bcm2048_rds_block_crc(bdev, i); + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + continue; + /* Syncronize to a good RDS PI */ + if (((bdev->rds_info.radio_text[i+1] << 8) + + bdev->rds_info.radio_text[i+2]) == + bdev->rds_info.rds_pi) + match_b = 1; + } + } + + return 0; +} + +static void bcm2048_parse_rds_ps_block(struct bcm2048_device *bdev, int i, + int index, int crc) +{ + /* Good data will overwrite poor data */ + if (crc) { + if (!bdev->rds_info.rds_ps[index]) + bdev->rds_info.rds_ps[index] = + bdev->rds_info.radio_text[i+1]; + if (!bdev->rds_info.rds_ps[index+1]) + bdev->rds_info.rds_ps[index+1] = + bdev->rds_info.radio_text[i+2]; + } else { + bdev->rds_info.rds_ps[index] = bdev->rds_info.radio_text[i+1]; + bdev->rds_info.rds_ps[index+1] = + bdev->rds_info.radio_text[i+2]; + } +} + +static int bcm2048_parse_ps_match_c(struct bcm2048_device *bdev, int i, + int index) +{ + int crc; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return 0; + + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_C) + return 1; + + return 0; +} + +static void bcm2048_parse_ps_match_d(struct bcm2048_device *bdev, int i, + int index) +{ + int crc; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return; + + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_D) + bcm2048_parse_rds_ps_block(bdev, i, index, crc); +} + +static int bcm2048_parse_ps_match_b(struct bcm2048_device *bdev, int i) +{ + int crc, index, ps_id, ps_group; + + crc = bcm2048_rds_block_crc(bdev, i); + + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + return -EIO; + + /* Block B Radio PS match */ + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) == + BCM2048_RDS_BLOCK_B) { + ps_id = bdev->rds_info.radio_text[i+1] & + BCM2048_RDS_BLOCK_MASK; + ps_group = bdev->rds_info.radio_text[i+1] & + BCM2048_RDS_GROUP_AB_MASK; + + /* + * Poor RSSI will lead to RDS data corruption + * So using 3 (same) sequential values to justify major changes + */ + if (ps_group != bdev->rds_info.rds_ps_group) { + if (crc == BCM2048_RDS_CRC_NONE) { + bdev->rds_info.rds_ps_group_cnt++; + if (bdev->rds_info.rds_ps_group_cnt > 2) { + bdev->rds_info.rds_ps_group = ps_group; + bdev->rds_info.rds_ps_group_cnt = 0; + dev_err(&bdev->client->dev, + "RDS PS Group change!\n"); + } else { + return -EIO; + } + } else { + bdev->rds_info.rds_ps_group_cnt = 0; + } + } + + if (ps_id == BCM2048_RDS_PS) { + index = bdev->rds_info.radio_text[i+2] & + BCM2048_RDS_PS_INDEX; + index <<= 1; + return index; + } + } + + return -EIO; +} + +static void bcm2048_parse_rds_ps(struct bcm2048_device *bdev) +{ + int i, index = 0, crc, match_b = 0, match_c = 0, match_d = 0; + + for (i = 0; i < bdev->fifo_size; i += BCM2048_RDS_FIFO_DUPLE_SIZE) { + + if (match_b) { + match_b = 0; + index = bcm2048_parse_ps_match_b(bdev, i); + if (index >= 0 && index < (BCM2048_MAX_RDS_PS - 1)) + match_c = 1; + continue; + } else if (match_c) { + match_c = 0; + if (bcm2048_parse_ps_match_c(bdev, i, index)) + match_d = 1; + continue; + } else if (match_d) { + match_d = 0; + bcm2048_parse_ps_match_d(bdev, i, index); + continue; + } + + /* Skip erroneous blocks due to messed up A block altogether */ + if ((bdev->rds_info.radio_text[i] & BCM2048_RDS_BLOCK_MASK) + == BCM2048_RDS_BLOCK_A) { + crc = bcm2048_rds_block_crc(bdev, i); + if (crc == BCM2048_RDS_CRC_UNRECOVARABLE) + continue; + /* Syncronize to a good RDS PI */ + if (((bdev->rds_info.radio_text[i+1] << 8) + + bdev->rds_info.radio_text[i+2]) == + bdev->rds_info.rds_pi) + match_b = 1; + } + } +} + +static void bcm2048_rds_fifo_receive(struct bcm2048_device *bdev) +{ + int err; + + mutex_lock(&bdev->mutex); + + err = bcm2048_recv_duples(bdev, BCM2048_I2C_RDS_DATA, + bdev->rds_info.radio_text, bdev->fifo_size); + if (err != 2) { + dev_err(&bdev->client->dev, "RDS Read problem\n"); + return; + } + + bdev->rds_info.text_len = bdev->fifo_size; + + bcm2048_parse_rds_pi(bdev); + bcm2048_parse_rds_rt(bdev); + bcm2048_parse_rds_ps(bdev); + + mutex_unlock(&bdev->mutex); + + wake_up_interruptible(&bdev->read_queue); +} + +static int bcm2048_get_rds_data(struct bcm2048_device *bdev, char *data) +{ + int err = 0, i, p = 0; + char *data_buffer; + + mutex_lock(&bdev->mutex); + + if (!bdev->rds_info.text_len) { + err = -EINVAL; + goto unlock; + } + + data_buffer = kzalloc(BCM2048_MAX_RDS_RADIO_TEXT*5, GFP_KERNEL); + if (!data_buffer) { + err = -ENOMEM; + goto unlock; + } + + for (i = 0; i < bdev->rds_info.text_len; i++) { + p += sprintf(data_buffer+p, "%x ", + bdev->rds_info.radio_text[i]); + } + + memcpy(data, data_buffer, p); + kfree(data_buffer); + +unlock: + mutex_unlock(&bdev->mutex); + return err; +} + +/* + * BCM2048 default initialization sequence + */ +static int bcm2048_init(struct bcm2048_device *bdev) +{ + int err; + + err = bcm2048_set_power_state(bdev, BCM2048_POWER_ON); + if (err < 0) + goto exit; + + err = bcm2048_set_audio_route(bdev, BCM2048_AUDIO_ROUTE_DAC); + if (err < 0) + goto exit; + + err = bcm2048_set_dac_output(bdev, BCM2048_DAC_OUTPUT_LEFT | + BCM2048_DAC_OUTPUT_RIGHT); + +exit: + return err; +} + +/* + * BCM2048 default deinitialization sequence + */ +static int bcm2048_deinit(struct bcm2048_device *bdev) +{ + int err; + + err = bcm2048_set_audio_route(bdev, 0); + if (err < 0) + goto exit; + + err = bcm2048_set_dac_output(bdev, 0); + if (err < 0) + goto exit; + + err = bcm2048_set_power_state(bdev, BCM2048_POWER_OFF); + if (err < 0) + goto exit; + +exit: + return err; +} + +/* + * BCM2048 probe sequence + */ +static int bcm2048_probe(struct bcm2048_device *bdev) +{ + int err; + + err = bcm2048_set_power_state(bdev, BCM2048_POWER_ON); + if (err < 0) + goto unlock; + + err = bcm2048_checkrev(bdev); + if (err < 0) + goto unlock; + + err = bcm2048_set_mute(bdev, BCM2048_DEFAULT_MUTE); + if (err < 0) + goto unlock; + + err = bcm2048_set_region(bdev, BCM2048_DEFAULT_REGION); + if (err < 0) + goto unlock; + + err = bcm2048_set_fm_search_rssi_threshold(bdev, + BCM2048_DEFAULT_RSSI_THRESHOLD); + if (err < 0) + goto unlock; + + err = bcm2048_set_fm_automatic_stereo_mono(bdev, BCM2048_ITEM_ENABLED); + if (err < 0) + goto unlock; + + err = bcm2048_get_rds_wline(bdev); + if (err < BCM2048_DEFAULT_RDS_WLINE) + err = bcm2048_set_rds_wline(bdev, BCM2048_DEFAULT_RDS_WLINE); + if (err < 0) + goto unlock; + + err = bcm2048_set_power_state(bdev, BCM2048_POWER_OFF); + + init_waitqueue_head(&bdev->read_queue); + bdev->rds_data_available = 0; + bdev->rd_index = 0; + bdev->users = 0; + +unlock: + return err; +} + +/* + * BCM2048 workqueue handler + */ +static void bcm2048_work(struct work_struct *work) +{ + struct bcm2048_device *bdev; + u8 flag_lsb, flag_msb, flags; + + bdev = container_of(work, struct bcm2048_device, work); + bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_FLAG0, &flag_lsb); + bcm2048_recv_command(bdev, BCM2048_I2C_FM_RDS_FLAG1, &flag_msb); + + if (flag_lsb & (BCM2048_FM_FLAG_SEARCH_TUNE_FINISHED | + BCM2048_FM_FLAG_SEARCH_TUNE_FAIL)) { + + if (flag_lsb & BCM2048_FM_FLAG_SEARCH_TUNE_FAIL) + bdev->scan_state = BCM2048_SCAN_FAIL; + else + bdev->scan_state = BCM2048_SCAN_OK; + + complete(&bdev->compl); + } + + if (flag_msb & BCM2048_RDS_FLAG_FIFO_WLINE) { + bcm2048_rds_fifo_receive(bdev); + if (bdev->rds_state) { + flags = BCM2048_RDS_FLAG_FIFO_WLINE; + bcm2048_send_command(bdev, BCM2048_I2C_FM_RDS_MASK1, + flags); + } + bdev->rds_data_available = 1; + bdev->rd_index = 0; /* new data, new start */ + } +} + +/* + * BCM2048 interrupt handler + */ +static irqreturn_t bcm2048_handler(int irq, void *dev) +{ + struct bcm2048_device *bdev = dev; + + dev_dbg(&bdev->client->dev, "IRQ called, queuing work\n"); + if (bdev->power_state) + schedule_work(&bdev->work); + + return IRQ_HANDLED; +} + +/* + * BCM2048 sysfs interface definitions + */ +#define property_write(prop, type, mask, check) \ +static ssize_t bcm2048_##prop##_write(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, \ + size_t count) \ +{ \ + struct bcm2048_device *bdev = dev_get_drvdata(dev); \ + type value; \ + int err; \ + \ + if (!bdev) \ + return -ENODEV; \ + \ + sscanf(buf, mask, &value); \ + \ + if (check) \ + return -EDOM; \ + \ + err = bcm2048_set_##prop(bdev, value); \ + \ + return err < 0 ? err : count; \ +} + +#define property_read(prop, size, mask) \ +static ssize_t bcm2048_##prop##_read(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct bcm2048_device *bdev = dev_get_drvdata(dev); \ + int value; \ + \ + if (!bdev) \ + return -ENODEV; \ + \ + value = bcm2048_get_##prop(bdev); \ + \ + if (value >= 0) \ + value = sprintf(buf, mask "\n", value); \ + \ + return value; \ +} + +#define property_signed_read(prop, size, mask) \ +static ssize_t bcm2048_##prop##_read(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct bcm2048_device *bdev = dev_get_drvdata(dev); \ + size value; \ + \ + if (!bdev) \ + return -ENODEV; \ + \ + value = bcm2048_get_##prop(bdev); \ + \ + value = sprintf(buf, mask "\n", value); \ + \ + return value; \ +} + +#define DEFINE_SYSFS_PROPERTY(prop, signal, size, mask, check) \ +property_write(prop, signal size, mask, check) \ +property_read(prop, size, mask) + +#define property_str_read(prop, size) \ +static ssize_t bcm2048_##prop##_read(struct device *dev, \ + struct device_attribute *attr, \ + char *buf) \ +{ \ + struct bcm2048_device *bdev = dev_get_drvdata(dev); \ + int count; \ + u8 *out; \ + \ + if (!bdev) \ + return -ENODEV; \ + \ + out = kzalloc(size + 1, GFP_KERNEL); \ + if (!out) \ + return -ENOMEM; \ + \ + bcm2048_get_##prop(bdev, out); \ + count = sprintf(buf, "%s\n", out); \ + \ + kfree(out); \ + \ + return count; \ +} + +DEFINE_SYSFS_PROPERTY(power_state, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(mute, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(audio_route, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(dac_output, unsigned, int, "%u", 0) + +DEFINE_SYSFS_PROPERTY(fm_hi_lo_injection, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_frequency, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_af_frequency, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_deemphasis, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_rds_mask, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_best_tune_mode, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_rssi_threshold, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_mode_direction, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(fm_search_tune_mode, unsigned, int, "%u", value > 3) + +DEFINE_SYSFS_PROPERTY(rds, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_b_block_mask, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_b_block_match, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_pi_mask, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_pi_match, unsigned, int, "%u", 0) +DEFINE_SYSFS_PROPERTY(rds_wline, unsigned, int, "%u", 0) +property_read(rds_pi, unsigned int, "%x") +property_str_read(rds_rt, (BCM2048_MAX_RDS_RT + 1)) +property_str_read(rds_ps, (BCM2048_MAX_RDS_PS + 1)) + +property_read(fm_rds_flags, unsigned int, "%u") +property_str_read(rds_data, BCM2048_MAX_RDS_RADIO_TEXT*5) + +property_read(region_bottom_frequency, unsigned int, "%u") +property_read(region_top_frequency, unsigned int, "%u") +property_signed_read(fm_carrier_error, int, "%d") +property_signed_read(fm_rssi, int, "%d") +DEFINE_SYSFS_PROPERTY(region, unsigned, int, "%u", 0) + +static struct device_attribute attrs[] = { + __ATTR(power_state, S_IRUGO | S_IWUSR, bcm2048_power_state_read, + bcm2048_power_state_write), + __ATTR(mute, S_IRUGO | S_IWUSR, bcm2048_mute_read, + bcm2048_mute_write), + __ATTR(audio_route, S_IRUGO | S_IWUSR, bcm2048_audio_route_read, + bcm2048_audio_route_write), + __ATTR(dac_output, S_IRUGO | S_IWUSR, bcm2048_dac_output_read, + bcm2048_dac_output_write), + __ATTR(fm_hi_lo_injection, S_IRUGO | S_IWUSR, + bcm2048_fm_hi_lo_injection_read, + bcm2048_fm_hi_lo_injection_write), + __ATTR(fm_frequency, S_IRUGO | S_IWUSR, bcm2048_fm_frequency_read, + bcm2048_fm_frequency_write), + __ATTR(fm_af_frequency, S_IRUGO | S_IWUSR, + bcm2048_fm_af_frequency_read, + bcm2048_fm_af_frequency_write), + __ATTR(fm_deemphasis, S_IRUGO | S_IWUSR, bcm2048_fm_deemphasis_read, + bcm2048_fm_deemphasis_write), + __ATTR(fm_rds_mask, S_IRUGO | S_IWUSR, bcm2048_fm_rds_mask_read, + bcm2048_fm_rds_mask_write), + __ATTR(fm_best_tune_mode, S_IRUGO | S_IWUSR, + bcm2048_fm_best_tune_mode_read, + bcm2048_fm_best_tune_mode_write), + __ATTR(fm_search_rssi_threshold, S_IRUGO | S_IWUSR, + bcm2048_fm_search_rssi_threshold_read, + bcm2048_fm_search_rssi_threshold_write), + __ATTR(fm_search_mode_direction, S_IRUGO | S_IWUSR, + bcm2048_fm_search_mode_direction_read, + bcm2048_fm_search_mode_direction_write), + __ATTR(fm_search_tune_mode, S_IRUGO | S_IWUSR, + bcm2048_fm_search_tune_mode_read, + bcm2048_fm_search_tune_mode_write), + __ATTR(rds, S_IRUGO | S_IWUSR, bcm2048_rds_read, + bcm2048_rds_write), + __ATTR(rds_b_block_mask, S_IRUGO | S_IWUSR, + bcm2048_rds_b_block_mask_read, + bcm2048_rds_b_block_mask_write), + __ATTR(rds_b_block_match, S_IRUGO | S_IWUSR, + bcm2048_rds_b_block_match_read, + bcm2048_rds_b_block_match_write), + __ATTR(rds_pi_mask, S_IRUGO | S_IWUSR, bcm2048_rds_pi_mask_read, + bcm2048_rds_pi_mask_write), + __ATTR(rds_pi_match, S_IRUGO | S_IWUSR, bcm2048_rds_pi_match_read, + bcm2048_rds_pi_match_write), + __ATTR(rds_wline, S_IRUGO | S_IWUSR, bcm2048_rds_wline_read, + bcm2048_rds_wline_write), + __ATTR(rds_pi, S_IRUGO, bcm2048_rds_pi_read, NULL), + __ATTR(rds_rt, S_IRUGO, bcm2048_rds_rt_read, NULL), + __ATTR(rds_ps, S_IRUGO, bcm2048_rds_ps_read, NULL), + __ATTR(fm_rds_flags, S_IRUGO, bcm2048_fm_rds_flags_read, NULL), + __ATTR(region_bottom_frequency, S_IRUGO, + bcm2048_region_bottom_frequency_read, NULL), + __ATTR(region_top_frequency, S_IRUGO, + bcm2048_region_top_frequency_read, NULL), + __ATTR(fm_carrier_error, S_IRUGO, + bcm2048_fm_carrier_error_read, NULL), + __ATTR(fm_rssi, S_IRUGO, + bcm2048_fm_rssi_read, NULL), + __ATTR(region, S_IRUGO | S_IWUSR, bcm2048_region_read, + bcm2048_region_write), + __ATTR(rds_data, S_IRUGO, bcm2048_rds_data_read, NULL), +}; + +static int bcm2048_sysfs_unregister_properties(struct bcm2048_device *bdev, + int size) +{ + int i; + + for (i = 0; i < size; i++) + device_remove_file(&bdev->client->dev, &attrs[i]); + + return 0; +} + +static int bcm2048_sysfs_register_properties(struct bcm2048_device *bdev) +{ + int err = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(attrs); i++) { + if (device_create_file(&bdev->client->dev, &attrs[i]) != 0) { + dev_err(&bdev->client->dev, + "could not register sysfs entry\n"); + err = -EBUSY; + bcm2048_sysfs_unregister_properties(bdev, i); + break; + } + } + + return err; +} + + +static int bcm2048_fops_open(struct file *file) +{ + struct bcm2048_device *bdev = video_drvdata(file); + + bdev->users++; + bdev->rd_index = 0; + bdev->rds_data_available = 0; + + return 0; +} + +static int bcm2048_fops_release(struct file *file) +{ + struct bcm2048_device *bdev = video_drvdata(file); + + bdev->users--; + + return 0; +} + +static unsigned int bcm2048_fops_poll(struct file *file, + struct poll_table_struct *pts) +{ + struct bcm2048_device *bdev = video_drvdata(file); + int retval = 0; + + poll_wait(file, &bdev->read_queue, pts); + + if (bdev->rds_data_available) + retval = POLLIN | POLLRDNORM; + + return retval; +} + +static ssize_t bcm2048_fops_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + struct bcm2048_device *bdev = video_drvdata(file); + int i; + int retval = 0; + + /* we return at least 3 bytes, one block */ + count = (count / 3) * 3; /* only multiples of 3 */ + if (count < 3) + return -ENOBUFS; + + while (!bdev->rds_data_available) { + if (file->f_flags & O_NONBLOCK) { + retval = -EWOULDBLOCK; + goto done; + } + /* interruptible_sleep_on(&bdev->read_queue); */ + if (wait_event_interruptible(bdev->read_queue, + bdev->rds_data_available) < 0) { + retval = -EINTR; + goto done; + } + } + + mutex_lock(&bdev->mutex); + /* copy data to userspace */ + i = bdev->fifo_size - bdev->rd_index; + if (count > i) + count = (i / 3) * 3; + + i = 0; + while (i < count) { + unsigned char tmpbuf[3]; + tmpbuf[i] = bdev->rds_info.radio_text[bdev->rd_index+i+2]; + tmpbuf[i+1] = bdev->rds_info.radio_text[bdev->rd_index+i+1]; + tmpbuf[i+2] = ((bdev->rds_info.radio_text[bdev->rd_index+i] + & 0xf0) >> 4); + if ((bdev->rds_info.radio_text[bdev->rd_index+i] & + BCM2048_RDS_CRC_MASK) == BCM2048_RDS_CRC_UNRECOVARABLE) + tmpbuf[i+2] |= 0x80; + if (copy_to_user(buf+i, tmpbuf, 3)) { + retval = -EFAULT; + break; + }; + i += 3; + } + + bdev->rd_index += i; + if (bdev->rd_index >= bdev->fifo_size) + bdev->rds_data_available = 0; + + mutex_unlock(&bdev->mutex); + if (retval == 0) + retval = i; + +done: + return retval; +} + +/* + * bcm2048_fops - file operations interface + */ +static const struct v4l2_file_operations bcm2048_fops = { + .owner = THIS_MODULE, + .ioctl = video_ioctl2, + /* for RDS read support */ + .open = bcm2048_fops_open, + .release = bcm2048_fops_release, + .read = bcm2048_fops_read, + .poll = bcm2048_fops_poll +}; + +/* + * Video4Linux Interface + */ +static struct v4l2_queryctrl bcm2048_v4l2_queryctrl[] = { + { + .id = V4L2_CID_AUDIO_VOLUME, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_BALANCE, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_BASS, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_TREBLE, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, + { + .id = V4L2_CID_AUDIO_MUTE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Mute", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + }, + { + .id = V4L2_CID_AUDIO_LOUDNESS, + .flags = V4L2_CTRL_FLAG_DISABLED, + }, +}; + +static int bcm2048_vidioc_querycap(struct file *file, void *priv, + struct v4l2_capability *capability) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + + strlcpy(capability->driver, BCM2048_DRIVER_NAME, + sizeof(capability->driver)); + strlcpy(capability->card, BCM2048_DRIVER_CARD, + sizeof(capability->card)); + snprintf(capability->bus_info, 32, "I2C: 0x%X", bdev->client->addr); + capability->version = BCM2048_DRIVER_VERSION; + capability->capabilities = V4L2_CAP_TUNER | V4L2_CAP_RADIO | + V4L2_CAP_HW_FREQ_SEEK; + + return 0; +} + +static int bcm2048_vidioc_g_input(struct file *filp, void *priv, + unsigned int *i) +{ + *i = 0; + + return 0; +} + +static int bcm2048_vidioc_s_input(struct file *filp, void *priv, + unsigned int i) +{ + if (i) + return -EINVAL; + + return 0; +} + +static int bcm2048_vidioc_queryctrl(struct file *file, void *priv, + struct v4l2_queryctrl *qc) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(bcm2048_v4l2_queryctrl); i++) { + if (qc->id && qc->id == bcm2048_v4l2_queryctrl[i].id) { + memcpy(qc, &(bcm2048_v4l2_queryctrl[i]), sizeof(*qc)); + return 0; + } + } + + return -EINVAL; +} + +static int bcm2048_vidioc_g_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + int err = 0; + + if (!bdev) + return -ENODEV; + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + err = bcm2048_get_mute(bdev); + if (err >= 0) + ctrl->value = err; + break; + } + + return err; +} + +static int bcm2048_vidioc_s_ctrl(struct file *file, void *priv, + struct v4l2_control *ctrl) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + int err = 0; + + if (!bdev) + return -ENODEV; + + switch (ctrl->id) { + case V4L2_CID_AUDIO_MUTE: + if (ctrl->value) { + if (bdev->power_state) { + err = bcm2048_set_mute(bdev, ctrl->value); + err |= bcm2048_deinit(bdev); + } + } else { + if (!bdev->power_state) { + err = bcm2048_init(bdev); + err |= bcm2048_set_mute(bdev, ctrl->value); + } + } + break; + } + + return err; +} + +static int bcm2048_vidioc_g_audio(struct file *file, void *priv, + struct v4l2_audio *audio) +{ + if (audio->index > 1) + return -EINVAL; + + strncpy(audio->name, "Radio", 32); + audio->capability = V4L2_AUDCAP_STEREO; + + return 0; +} + +static int bcm2048_vidioc_s_audio(struct file *file, void *priv, + const struct v4l2_audio *audio) +{ + if (audio->index != 0) + return -EINVAL; + + return 0; +} + +static int bcm2048_vidioc_g_tuner(struct file *file, void *priv, + struct v4l2_tuner *tuner) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + s8 f_error; + s8 rssi; + + if (!bdev) + return -ENODEV; + + if (tuner->index > 0) + return -EINVAL; + + strncpy(tuner->name, "FM Receiver", 32); + tuner->type = V4L2_TUNER_RADIO; + tuner->rangelow = + dev_to_v4l2(bcm2048_get_region_bottom_frequency(bdev)); + tuner->rangehigh = + dev_to_v4l2(bcm2048_get_region_top_frequency(bdev)); + tuner->rxsubchans = V4L2_TUNER_SUB_STEREO; + tuner->capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LOW; + tuner->audmode = V4L2_TUNER_MODE_STEREO; + tuner->afc = 0; + if (bdev->power_state) { + /* + * Report frequencies with high carrier errors to have zero + * signal level + */ + f_error = bcm2048_get_fm_carrier_error(bdev); + if (f_error < BCM2048_FREQ_ERROR_FLOOR || + f_error > BCM2048_FREQ_ERROR_ROOF) { + tuner->signal = 0; + } else { + /* + * RSSI level -60 dB is defined to report full + * signal strenght + */ + rssi = bcm2048_get_fm_rssi(bdev); + if (rssi >= BCM2048_RSSI_LEVEL_BASE) { + tuner->signal = 0xFFFF; + } else if (rssi > BCM2048_RSSI_LEVEL_ROOF) { + tuner->signal = (rssi + + BCM2048_RSSI_LEVEL_ROOF_NEG) + * BCM2048_SIGNAL_MULTIPLIER; + } else { + tuner->signal = 0; + } + } + } else { + tuner->signal = 0; + } + + return 0; +} + +static int bcm2048_vidioc_s_tuner(struct file *file, void *priv, + const struct v4l2_tuner *tuner) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + + if (!bdev) + return -ENODEV; + + if (tuner->index > 0) + return -EINVAL; + + return 0; +} + +static int bcm2048_vidioc_g_frequency(struct file *file, void *priv, + struct v4l2_frequency *freq) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + int err = 0; + int f; + + if (!bdev->power_state) + return -ENODEV; + + freq->type = V4L2_TUNER_RADIO; + f = bcm2048_get_fm_frequency(bdev); + + if (f < 0) + err = f; + else + freq->frequency = dev_to_v4l2(f); + + return err; +} + +static int bcm2048_vidioc_s_frequency(struct file *file, void *priv, + const struct v4l2_frequency *freq) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + int err; + + if (freq->type != V4L2_TUNER_RADIO) + return -EINVAL; + + if (!bdev->power_state) + return -ENODEV; + + err = bcm2048_set_fm_frequency(bdev, v4l2_to_dev(freq->frequency)); + err |= bcm2048_set_fm_search_tune_mode(bdev, BCM2048_FM_PRE_SET_MODE); + + return err; +} + +static int bcm2048_vidioc_s_hw_freq_seek(struct file *file, void *priv, + const struct v4l2_hw_freq_seek *seek) +{ + struct bcm2048_device *bdev = video_get_drvdata(video_devdata(file)); + int err; + + if (!bdev->power_state) + return -ENODEV; + + if ((seek->tuner != 0) || (seek->type != V4L2_TUNER_RADIO)) + return -EINVAL; + + err = bcm2048_set_fm_search_mode_direction(bdev, seek->seek_upward); + err |= bcm2048_set_fm_search_tune_mode(bdev, + BCM2048_FM_AUTO_SEARCH_MODE); + + return err; +} + +static struct v4l2_ioctl_ops bcm2048_ioctl_ops = { + .vidioc_querycap = bcm2048_vidioc_querycap, + .vidioc_g_input = bcm2048_vidioc_g_input, + .vidioc_s_input = bcm2048_vidioc_s_input, + .vidioc_queryctrl = bcm2048_vidioc_queryctrl, + .vidioc_g_ctrl = bcm2048_vidioc_g_ctrl, + .vidioc_s_ctrl = bcm2048_vidioc_s_ctrl, + .vidioc_g_audio = bcm2048_vidioc_g_audio, + .vidioc_s_audio = bcm2048_vidioc_s_audio, + .vidioc_g_tuner = bcm2048_vidioc_g_tuner, + .vidioc_s_tuner = bcm2048_vidioc_s_tuner, + .vidioc_g_frequency = bcm2048_vidioc_g_frequency, + .vidioc_s_frequency = bcm2048_vidioc_s_frequency, + .vidioc_s_hw_freq_seek = bcm2048_vidioc_s_hw_freq_seek, +}; + +/* + * bcm2048_viddev_template - video device interface + */ +static struct video_device bcm2048_viddev_template = { + .fops = &bcm2048_fops, + .name = BCM2048_DRIVER_NAME, + .release = video_device_release, + .ioctl_ops = &bcm2048_ioctl_ops, +}; + +/* + * I2C driver interface + */ +static int bcm2048_i2c_driver_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct bcm2048_device *bdev; + int err, skip_release = 0; + + bdev = kzalloc(sizeof(*bdev), GFP_KERNEL); + if (!bdev) { + dev_dbg(&client->dev, "Failed to alloc video device.\n"); + err = -ENOMEM; + goto exit; + } + + bdev->videodev = video_device_alloc(); + if (!bdev->videodev) { + dev_dbg(&client->dev, "Failed to alloc video device.\n"); + err = -ENOMEM; + goto free_bdev; + } + + bdev->client = client; + i2c_set_clientdata(client, bdev); + mutex_init(&bdev->mutex); + init_completion(&bdev->compl); + INIT_WORK(&bdev->work, bcm2048_work); + + if (client->irq) { + err = request_irq(client->irq, + bcm2048_handler, IRQF_TRIGGER_FALLING | IRQF_DISABLED, + client->name, bdev); + if (err < 0) { + dev_err(&client->dev, "Could not request IRQ\n"); + goto free_vdev; + } + dev_dbg(&client->dev, "IRQ requested.\n"); + } else { + dev_dbg(&client->dev, "IRQ not configured. Using timeouts.\n"); + } + + memcpy(bdev->videodev, &bcm2048_viddev_template, + sizeof(bcm2048_viddev_template)); + video_set_drvdata(bdev->videodev, bdev); + if (video_register_device(bdev->videodev, VFL_TYPE_RADIO, radio_nr)) { + dev_dbg(&client->dev, "Could not register video device.\n"); + err = -EIO; + goto free_irq; + } + + err = bcm2048_sysfs_register_properties(bdev); + if (err < 0) { + dev_dbg(&client->dev, "Could not register sysfs interface.\n"); + goto free_registration; + } + + err = bcm2048_probe(bdev); + if (err < 0) { + dev_dbg(&client->dev, "Failed to probe device information.\n"); + goto free_sysfs; + } + + return 0; + +free_sysfs: + bcm2048_sysfs_unregister_properties(bdev, ARRAY_SIZE(attrs)); +free_registration: + video_unregister_device(bdev->videodev); + /* video_unregister_device frees bdev->videodev */ + bdev->videodev = NULL; + skip_release = 1; +free_irq: + if (client->irq) + free_irq(client->irq, bdev); +free_vdev: + if (!skip_release) + video_device_release(bdev->videodev); + i2c_set_clientdata(client, NULL); +free_bdev: + kfree(bdev); +exit: + return err; +} + +static int __exit bcm2048_i2c_driver_remove(struct i2c_client *client) +{ + struct bcm2048_device *bdev = i2c_get_clientdata(client); + struct video_device *vd; + + if (!client->adapter) + return -ENODEV; + + if (bdev) { + vd = bdev->videodev; + + bcm2048_sysfs_unregister_properties(bdev, ARRAY_SIZE(attrs)); + + if (vd) + video_unregister_device(vd); + + if (bdev->power_state) + bcm2048_set_power_state(bdev, BCM2048_POWER_OFF); + + if (client->irq > 0) + free_irq(client->irq, bdev); + + cancel_work_sync(&bdev->work); + + kfree(bdev); + } + + i2c_set_clientdata(client, NULL); + + return 0; +} + +/* + * bcm2048_i2c_driver - i2c driver interface + */ +static const struct i2c_device_id bcm2048_id[] = { + { "bcm2048" , 0 }, + { }, +}; +MODULE_DEVICE_TABLE(i2c, bcm2048_id); + +static struct i2c_driver bcm2048_i2c_driver = { + .driver = { + .name = BCM2048_DRIVER_NAME, + }, + .probe = bcm2048_i2c_driver_probe, + .remove = __exit_p(bcm2048_i2c_driver_remove), + .id_table = bcm2048_id, +}; + +/* + * Module Interface + */ +static int __init bcm2048_module_init(void) +{ + pr_info(BCM2048_DRIVER_DESC "\n"); + + return i2c_add_driver(&bcm2048_i2c_driver); +} +module_init(bcm2048_module_init); + +static void __exit bcm2048_module_exit(void) +{ + i2c_del_driver(&bcm2048_i2c_driver); +} +module_exit(bcm2048_module_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR(BCM2048_DRIVER_AUTHOR); +MODULE_DESCRIPTION(BCM2048_DRIVER_DESC); +MODULE_VERSION("0.0.2"); diff --git a/drivers/staging/media/bcm2048/radio-bcm2048.h b/drivers/staging/media/bcm2048/radio-bcm2048.h new file mode 100644 index 000000000000..4c90a32db795 --- /dev/null +++ b/drivers/staging/media/bcm2048/radio-bcm2048.h @@ -0,0 +1,30 @@ +/* + * drivers/staging/media/radio-bcm2048.h + * + * Property and command definitions for bcm2048 radio receiver chip. + * + * Copyright (C) Nokia Corporation + * Contact: Eero Nurkkala <ext-eero.nurkkala@nokia.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#ifndef BCM2048_H +#define BCM2048_H + +#define BCM2048_NAME "bcm2048" +#define BCM2048_I2C_ADDR 0x22 + +#endif /* ifndef BCM2048_H */ diff --git a/drivers/staging/media/omap4iss/Kconfig b/drivers/staging/media/omap4iss/Kconfig new file mode 100644 index 000000000000..b9fe753969bd --- /dev/null +++ b/drivers/staging/media/omap4iss/Kconfig @@ -0,0 +1,12 @@ +config VIDEO_OMAP4 + bool "OMAP 4 Camera support" + depends on VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API && I2C && ARCH_OMAP4 + select VIDEOBUF2_DMA_CONTIG + ---help--- + Driver for an OMAP 4 ISS controller. + +config VIDEO_OMAP4_DEBUG + bool "OMAP 4 Camera debug messages" + depends on VIDEO_OMAP4 + ---help--- + Enable debug messages on OMAP 4 ISS controller driver. diff --git a/drivers/staging/media/omap4iss/Makefile b/drivers/staging/media/omap4iss/Makefile new file mode 100644 index 000000000000..a716ce936cf6 --- /dev/null +++ b/drivers/staging/media/omap4iss/Makefile @@ -0,0 +1,6 @@ +# Makefile for OMAP4 ISS driver + +omap4-iss-objs += \ + iss.o iss_csi2.o iss_csiphy.o iss_ipipeif.o iss_ipipe.o iss_resizer.o iss_video.o + +obj-$(CONFIG_VIDEO_OMAP4) += omap4-iss.o diff --git a/drivers/staging/media/omap4iss/TODO b/drivers/staging/media/omap4iss/TODO new file mode 100644 index 000000000000..fcde88860a2c --- /dev/null +++ b/drivers/staging/media/omap4iss/TODO @@ -0,0 +1,4 @@ +* Make the driver compile as a module +* Fix FIFO/buffer overflows and underflows +* Replace dummy resizer code with a real implementation +* Fix checkpatch errors and warnings diff --git a/drivers/staging/media/omap4iss/iss.c b/drivers/staging/media/omap4iss/iss.c new file mode 100644 index 000000000000..61fbfcd13582 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss.c @@ -0,0 +1,1563 @@ +/* + * TI OMAP4 ISS V4L2 Driver + * + * Copyright (C) 2012, Texas Instruments + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/i2c.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include <linux/sched.h> +#include <linux/vmalloc.h> + +#include <media/v4l2-common.h> +#include <media/v4l2-device.h> +#include <media/v4l2-ctrls.h> + +#include "iss.h" +#include "iss_regs.h" + +#define ISS_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###ISS " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_##name)) + +static void iss_print_status(struct iss_device *iss) +{ + dev_dbg(iss->dev, "-------------ISS HL Register dump-------------\n"); + + ISS_PRINT_REGISTER(iss, HL_REVISION); + ISS_PRINT_REGISTER(iss, HL_SYSCONFIG); + ISS_PRINT_REGISTER(iss, HL_IRQSTATUS(5)); + ISS_PRINT_REGISTER(iss, HL_IRQENABLE_SET(5)); + ISS_PRINT_REGISTER(iss, HL_IRQENABLE_CLR(5)); + ISS_PRINT_REGISTER(iss, CTRL); + ISS_PRINT_REGISTER(iss, CLKCTRL); + ISS_PRINT_REGISTER(iss, CLKSTAT); + + dev_dbg(iss->dev, "-----------------------------------------------\n"); +} + +/* + * omap4iss_flush - Post pending L3 bus writes by doing a register readback + * @iss: OMAP4 ISS device + * + * In order to force posting of pending writes, we need to write and + * readback the same register, in this case the revision register. + * + * See this link for reference: + * http://www.mail-archive.com/linux-omap@vger.kernel.org/msg08149.html + */ +void omap4iss_flush(struct iss_device *iss) +{ + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION, 0); + iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION); +} + +/* + * iss_isp_enable_interrupts - Enable ISS ISP interrupts. + * @iss: OMAP4 ISS device + */ +static void omap4iss_isp_enable_interrupts(struct iss_device *iss) +{ + static const u32 isp_irq = ISP5_IRQ_OCP_ERR | + ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR | + ISP5_IRQ_RSZ_FIFO_OVF | + ISP5_IRQ_RSZ_INT_DMA | + ISP5_IRQ_ISIF_INT(0); + + /* Enable ISP interrupts */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQSTATUS(0), isp_irq); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQENABLE_SET(0), + isp_irq); +} + +/* + * iss_isp_disable_interrupts - Disable ISS interrupts. + * @iss: OMAP4 ISS device + */ +static void omap4iss_isp_disable_interrupts(struct iss_device *iss) +{ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQENABLE_CLR(0), ~0); +} + +/* + * iss_enable_interrupts - Enable ISS interrupts. + * @iss: OMAP4 ISS device + */ +static void iss_enable_interrupts(struct iss_device *iss) +{ + static const u32 hl_irq = ISS_HL_IRQ_CSIA | ISS_HL_IRQ_CSIB + | ISS_HL_IRQ_ISP(0); + + /* Enable HL interrupts */ + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQSTATUS(5), hl_irq); + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_SET(5), hl_irq); + + if (iss->regs[OMAP4_ISS_MEM_ISP_SYS1]) + omap4iss_isp_enable_interrupts(iss); +} + +/* + * iss_disable_interrupts - Disable ISS interrupts. + * @iss: OMAP4 ISS device + */ +static void iss_disable_interrupts(struct iss_device *iss) +{ + if (iss->regs[OMAP4_ISS_MEM_ISP_SYS1]) + omap4iss_isp_disable_interrupts(iss); + + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQENABLE_CLR(5), ~0); +} + +int omap4iss_get_external_info(struct iss_pipeline *pipe, + struct media_link *link) +{ + struct iss_device *iss = + container_of(pipe, struct iss_video, pipe)->iss; + struct v4l2_subdev_format fmt; + struct v4l2_ctrl *ctrl; + int ret; + + if (!pipe->external) + return 0; + + if (pipe->external_rate) + return 0; + + memset(&fmt, 0, sizeof(fmt)); + + fmt.pad = link->source->index; + fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(media_entity_to_v4l2_subdev(link->sink->entity), + pad, get_fmt, NULL, &fmt); + if (ret < 0) + return -EPIPE; + + pipe->external_bpp = omap4iss_video_format_info(fmt.format.code)->bpp; + + ctrl = v4l2_ctrl_find(pipe->external->ctrl_handler, + V4L2_CID_PIXEL_RATE); + if (ctrl == NULL) { + dev_warn(iss->dev, "no pixel rate control in subdev %s\n", + pipe->external->name); + return -EPIPE; + } + + pipe->external_rate = v4l2_ctrl_g_ctrl_int64(ctrl); + + return 0; +} + +/* + * Configure the bridge. Valid inputs are + * + * IPIPEIF_INPUT_CSI2A: CSI2a receiver + * IPIPEIF_INPUT_CSI2B: CSI2b receiver + * + * The bridge and lane shifter are configured according to the selected input + * and the ISP platform data. + */ +void omap4iss_configure_bridge(struct iss_device *iss, + enum ipipeif_input_entity input) +{ + u32 issctrl_val; + u32 isp5ctrl_val; + + issctrl_val = iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_CTRL); + issctrl_val &= ~ISS_CTRL_INPUT_SEL_MASK; + issctrl_val &= ~ISS_CTRL_CLK_DIV_MASK; + + isp5ctrl_val = iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL); + + switch (input) { + case IPIPEIF_INPUT_CSI2A: + issctrl_val |= ISS_CTRL_INPUT_SEL_CSI2A; + break; + + case IPIPEIF_INPUT_CSI2B: + issctrl_val |= ISS_CTRL_INPUT_SEL_CSI2B; + break; + + default: + return; + } + + issctrl_val |= ISS_CTRL_SYNC_DETECT_VS_RAISING; + + isp5ctrl_val |= ISP5_CTRL_VD_PULSE_EXT | ISP5_CTRL_PSYNC_CLK_SEL | + ISP5_CTRL_SYNC_ENABLE; + + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_CTRL, issctrl_val); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL, isp5ctrl_val); +} + +#if defined(DEBUG) && defined(ISS_ISR_DEBUG) +static void iss_isr_dbg(struct iss_device *iss, u32 irqstatus) +{ + static const char * const name[] = { + "ISP_0", + "ISP_1", + "ISP_2", + "ISP_3", + "CSIA", + "CSIB", + "CCP2_0", + "CCP2_1", + "CCP2_2", + "CCP2_3", + "CBUFF", + "BTE", + "SIMCOP_0", + "SIMCOP_1", + "SIMCOP_2", + "SIMCOP_3", + "CCP2_8", + "HS_VS", + "18", + "19", + "20", + "21", + "22", + "23", + "24", + "25", + "26", + "27", + "28", + "29", + "30", + "31", + }; + unsigned int i; + + dev_dbg(iss->dev, "ISS IRQ: "); + + for (i = 0; i < ARRAY_SIZE(name); i++) { + if ((1 << i) & irqstatus) + pr_cont("%s ", name[i]); + } + pr_cont("\n"); +} + +static void iss_isp_isr_dbg(struct iss_device *iss, u32 irqstatus) +{ + static const char * const name[] = { + "ISIF_0", + "ISIF_1", + "ISIF_2", + "ISIF_3", + "IPIPEREQ", + "IPIPELAST_PIX", + "IPIPEDMA", + "IPIPEBSC", + "IPIPEHST", + "IPIPEIF", + "AEW", + "AF", + "H3A", + "RSZ_REG", + "RSZ_LAST_PIX", + "RSZ_DMA", + "RSZ_CYC_RZA", + "RSZ_CYC_RZB", + "RSZ_FIFO_OVF", + "RSZ_FIFO_IN_BLK_ERR", + "20", + "21", + "RSZ_EOF0", + "RSZ_EOF1", + "H3A_EOF", + "IPIPE_EOF", + "26", + "IPIPE_DPC_INI", + "IPIPE_DPC_RNEW0", + "IPIPE_DPC_RNEW1", + "30", + "OCP_ERR", + }; + unsigned int i; + + dev_dbg(iss->dev, "ISP IRQ: "); + + for (i = 0; i < ARRAY_SIZE(name); i++) { + if ((1 << i) & irqstatus) + pr_cont("%s ", name[i]); + } + pr_cont("\n"); +} +#endif + +/* + * iss_isr - Interrupt Service Routine for ISS module. + * @irq: Not used currently. + * @_iss: Pointer to the OMAP4 ISS device + * + * Handles the corresponding callback if plugged in. + * + * Returns IRQ_HANDLED when IRQ was correctly handled, or IRQ_NONE when the + * IRQ wasn't handled. + */ +static irqreturn_t iss_isr(int irq, void *_iss) +{ + static const u32 ipipeif_events = ISP5_IRQ_IPIPEIF_IRQ | + ISP5_IRQ_ISIF_INT(0); + static const u32 resizer_events = ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR | + ISP5_IRQ_RSZ_FIFO_OVF | + ISP5_IRQ_RSZ_INT_DMA; + struct iss_device *iss = _iss; + u32 irqstatus; + + irqstatus = iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQSTATUS(5)); + iss_reg_write(iss, OMAP4_ISS_MEM_TOP, ISS_HL_IRQSTATUS(5), irqstatus); + + if (irqstatus & ISS_HL_IRQ_CSIA) + omap4iss_csi2_isr(&iss->csi2a); + + if (irqstatus & ISS_HL_IRQ_CSIB) + omap4iss_csi2_isr(&iss->csi2b); + + if (irqstatus & ISS_HL_IRQ_ISP(0)) { + u32 isp_irqstatus = iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, + ISP5_IRQSTATUS(0)); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_IRQSTATUS(0), + isp_irqstatus); + + if (isp_irqstatus & ISP5_IRQ_OCP_ERR) + dev_dbg(iss->dev, "ISP5 OCP Error!\n"); + + if (isp_irqstatus & ipipeif_events) { + omap4iss_ipipeif_isr(&iss->ipipeif, + isp_irqstatus & ipipeif_events); + } + + if (isp_irqstatus & resizer_events) + omap4iss_resizer_isr(&iss->resizer, + isp_irqstatus & resizer_events); + +#if defined(DEBUG) && defined(ISS_ISR_DEBUG) + iss_isp_isr_dbg(iss, isp_irqstatus); +#endif + } + + omap4iss_flush(iss); + +#if defined(DEBUG) && defined(ISS_ISR_DEBUG) + iss_isr_dbg(iss, irqstatus); +#endif + + return IRQ_HANDLED; +} + +/* ----------------------------------------------------------------------------- + * Pipeline power management + * + * Entities must be powered up when part of a pipeline that contains at least + * one open video device node. + * + * To achieve this use the entity use_count field to track the number of users. + * For entities corresponding to video device nodes the use_count field stores + * the users count of the node. For entities corresponding to subdevs the + * use_count field stores the total number of users of all video device nodes + * in the pipeline. + * + * The omap4iss_pipeline_pm_use() function must be called in the open() and + * close() handlers of video device nodes. It increments or decrements the use + * count of all subdev entities in the pipeline. + * + * To react to link management on powered pipelines, the link setup notification + * callback updates the use count of all entities in the source and sink sides + * of the link. + */ + +/* + * iss_pipeline_pm_use_count - Count the number of users of a pipeline + * @entity: The entity + * + * Return the total number of users of all video device nodes in the pipeline. + */ +static int iss_pipeline_pm_use_count(struct media_entity *entity) +{ + struct media_entity_graph graph; + int use = 0; + + media_entity_graph_walk_start(&graph, entity); + + while ((entity = media_entity_graph_walk_next(&graph))) { + if (media_entity_type(entity) == MEDIA_ENT_T_DEVNODE) + use += entity->use_count; + } + + return use; +} + +/* + * iss_pipeline_pm_power_one - Apply power change to an entity + * @entity: The entity + * @change: Use count change + * + * Change the entity use count by @change. If the entity is a subdev update its + * power state by calling the core::s_power operation when the use count goes + * from 0 to != 0 or from != 0 to 0. + * + * Return 0 on success or a negative error code on failure. + */ +static int iss_pipeline_pm_power_one(struct media_entity *entity, int change) +{ + struct v4l2_subdev *subdev; + + subdev = media_entity_type(entity) == MEDIA_ENT_T_V4L2_SUBDEV + ? media_entity_to_v4l2_subdev(entity) : NULL; + + if (entity->use_count == 0 && change > 0 && subdev != NULL) { + int ret; + + ret = v4l2_subdev_call(subdev, core, s_power, 1); + if (ret < 0 && ret != -ENOIOCTLCMD) + return ret; + } + + entity->use_count += change; + WARN_ON(entity->use_count < 0); + + if (entity->use_count == 0 && change < 0 && subdev != NULL) + v4l2_subdev_call(subdev, core, s_power, 0); + + return 0; +} + +/* + * iss_pipeline_pm_power - Apply power change to all entities in a pipeline + * @entity: The entity + * @change: Use count change + * + * Walk the pipeline to update the use count and the power state of all non-node + * entities. + * + * Return 0 on success or a negative error code on failure. + */ +static int iss_pipeline_pm_power(struct media_entity *entity, int change) +{ + struct media_entity_graph graph; + struct media_entity *first = entity; + int ret = 0; + + if (!change) + return 0; + + media_entity_graph_walk_start(&graph, entity); + + while (!ret && (entity = media_entity_graph_walk_next(&graph))) + if (media_entity_type(entity) != MEDIA_ENT_T_DEVNODE) + ret = iss_pipeline_pm_power_one(entity, change); + + if (!ret) + return 0; + + media_entity_graph_walk_start(&graph, first); + + while ((first = media_entity_graph_walk_next(&graph)) + && first != entity) + if (media_entity_type(first) != MEDIA_ENT_T_DEVNODE) + iss_pipeline_pm_power_one(first, -change); + + return ret; +} + +/* + * omap4iss_pipeline_pm_use - Update the use count of an entity + * @entity: The entity + * @use: Use (1) or stop using (0) the entity + * + * Update the use count of all entities in the pipeline and power entities on or + * off accordingly. + * + * Return 0 on success or a negative error code on failure. Powering entities + * off is assumed to never fail. No failure can occur when the use parameter is + * set to 0. + */ +int omap4iss_pipeline_pm_use(struct media_entity *entity, int use) +{ + int change = use ? 1 : -1; + int ret; + + mutex_lock(&entity->parent->graph_mutex); + + /* Apply use count to node. */ + entity->use_count += change; + WARN_ON(entity->use_count < 0); + + /* Apply power change to connected non-nodes. */ + ret = iss_pipeline_pm_power(entity, change); + if (ret < 0) + entity->use_count -= change; + + mutex_unlock(&entity->parent->graph_mutex); + + return ret; +} + +/* + * iss_pipeline_link_notify - Link management notification callback + * @link: The link + * @flags: New link flags that will be applied + * + * React to link management on powered pipelines by updating the use count of + * all entities in the source and sink sides of the link. Entities are powered + * on or off accordingly. + * + * Return 0 on success or a negative error code on failure. Powering entities + * off is assumed to never fail. This function will not fail for disconnection + * events. + */ +static int iss_pipeline_link_notify(struct media_link *link, u32 flags, + unsigned int notification) +{ + struct media_entity *source = link->source->entity; + struct media_entity *sink = link->sink->entity; + int source_use = iss_pipeline_pm_use_count(source); + int sink_use = iss_pipeline_pm_use_count(sink); + int ret; + + if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH && + !(link->flags & MEDIA_LNK_FL_ENABLED)) { + /* Powering off entities is assumed to never fail. */ + iss_pipeline_pm_power(source, -sink_use); + iss_pipeline_pm_power(sink, -source_use); + return 0; + } + + if (notification == MEDIA_DEV_NOTIFY_POST_LINK_CH && + (flags & MEDIA_LNK_FL_ENABLED)) { + ret = iss_pipeline_pm_power(source, sink_use); + if (ret < 0) + return ret; + + ret = iss_pipeline_pm_power(sink, source_use); + if (ret < 0) + iss_pipeline_pm_power(source, -sink_use); + + return ret; + } + + return 0; +} + +/* ----------------------------------------------------------------------------- + * Pipeline stream management + */ + +/* + * iss_pipeline_enable - Enable streaming on a pipeline + * @pipe: ISS pipeline + * @mode: Stream mode (single shot or continuous) + * + * Walk the entities chain starting at the pipeline output video node and start + * all modules in the chain in the given mode. + * + * Return 0 if successful, or the return value of the failed video::s_stream + * operation otherwise. + */ +static int iss_pipeline_enable(struct iss_pipeline *pipe, + enum iss_pipeline_stream_state mode) +{ + struct iss_device *iss = pipe->output->iss; + struct media_entity *entity; + struct media_pad *pad; + struct v4l2_subdev *subdev; + unsigned long flags; + int ret; + + /* If one of the entities in the pipeline has crashed it will not work + * properly. Refuse to start streaming in that case. This check must be + * performed before the loop below to avoid starting entities if the + * pipeline won't start anyway (those entities would then likely fail to + * stop, making the problem worse). + */ + if (pipe->entities & iss->crashed) + return -EIO; + + spin_lock_irqsave(&pipe->lock, flags); + pipe->state &= ~(ISS_PIPELINE_IDLE_INPUT | ISS_PIPELINE_IDLE_OUTPUT); + spin_unlock_irqrestore(&pipe->lock, flags); + + pipe->do_propagation = false; + + entity = &pipe->output->video.entity; + while (1) { + pad = &entity->pads[0]; + if (!(pad->flags & MEDIA_PAD_FL_SINK)) + break; + + pad = media_entity_remote_pad(pad); + if (pad == NULL || + media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) + break; + + entity = pad->entity; + subdev = media_entity_to_v4l2_subdev(entity); + + ret = v4l2_subdev_call(subdev, video, s_stream, mode); + if (ret < 0 && ret != -ENOIOCTLCMD) + return ret; + } + iss_print_status(pipe->output->iss); + return 0; +} + +/* + * iss_pipeline_disable - Disable streaming on a pipeline + * @pipe: ISS pipeline + * + * Walk the entities chain starting at the pipeline output video node and stop + * all modules in the chain. Wait synchronously for the modules to be stopped if + * necessary. + */ +static int iss_pipeline_disable(struct iss_pipeline *pipe) +{ + struct iss_device *iss = pipe->output->iss; + struct media_entity *entity; + struct media_pad *pad; + struct v4l2_subdev *subdev; + int failure = 0; + int ret; + + entity = &pipe->output->video.entity; + while (1) { + pad = &entity->pads[0]; + if (!(pad->flags & MEDIA_PAD_FL_SINK)) + break; + + pad = media_entity_remote_pad(pad); + if (pad == NULL || + media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) + break; + + entity = pad->entity; + subdev = media_entity_to_v4l2_subdev(entity); + + ret = v4l2_subdev_call(subdev, video, s_stream, 0); + if (ret < 0) { + dev_dbg(iss->dev, "%s: module stop timeout.\n", + subdev->name); + /* If the entity failed to stopped, assume it has + * crashed. Mark it as such, the ISS will be reset when + * applications will release it. + */ + iss->crashed |= 1U << subdev->entity.id; + failure = -ETIMEDOUT; + } + } + + return failure; +} + +/* + * omap4iss_pipeline_set_stream - Enable/disable streaming on a pipeline + * @pipe: ISS pipeline + * @state: Stream state (stopped, single shot or continuous) + * + * Set the pipeline to the given stream state. Pipelines can be started in + * single-shot or continuous mode. + * + * Return 0 if successful, or the return value of the failed video::s_stream + * operation otherwise. The pipeline state is not updated when the operation + * fails, except when stopping the pipeline. + */ +int omap4iss_pipeline_set_stream(struct iss_pipeline *pipe, + enum iss_pipeline_stream_state state) +{ + int ret; + + if (state == ISS_PIPELINE_STREAM_STOPPED) + ret = iss_pipeline_disable(pipe); + else + ret = iss_pipeline_enable(pipe, state); + + if (ret == 0 || state == ISS_PIPELINE_STREAM_STOPPED) + pipe->stream_state = state; + + return ret; +} + +/* + * omap4iss_pipeline_cancel_stream - Cancel stream on a pipeline + * @pipe: ISS pipeline + * + * Cancelling a stream mark all buffers on all video nodes in the pipeline as + * erroneous and makes sure no new buffer can be queued. This function is called + * when a fatal error that prevents any further operation on the pipeline + * occurs. + */ +void omap4iss_pipeline_cancel_stream(struct iss_pipeline *pipe) +{ + if (pipe->input) + omap4iss_video_cancel_stream(pipe->input); + if (pipe->output) + omap4iss_video_cancel_stream(pipe->output); +} + +/* + * iss_pipeline_is_last - Verify if entity has an enabled link to the output + * video node + * @me: ISS module's media entity + * + * Returns 1 if the entity has an enabled link to the output video node or 0 + * otherwise. It's true only while pipeline can have no more than one output + * node. + */ +static int iss_pipeline_is_last(struct media_entity *me) +{ + struct iss_pipeline *pipe; + struct media_pad *pad; + + if (!me->pipe) + return 0; + pipe = to_iss_pipeline(me); + if (pipe->stream_state == ISS_PIPELINE_STREAM_STOPPED) + return 0; + pad = media_entity_remote_pad(&pipe->output->pad); + return pad->entity == me; +} + +static int iss_reset(struct iss_device *iss) +{ + unsigned long timeout = 0; + + iss_reg_set(iss, OMAP4_ISS_MEM_TOP, ISS_HL_SYSCONFIG, + ISS_HL_SYSCONFIG_SOFTRESET); + + while (iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_SYSCONFIG) & + ISS_HL_SYSCONFIG_SOFTRESET) { + if (timeout++ > 100) { + dev_alert(iss->dev, "cannot reset ISS\n"); + return -ETIMEDOUT; + } + usleep_range(10, 10); + } + + iss->crashed = 0; + return 0; +} + +static int iss_isp_reset(struct iss_device *iss) +{ + unsigned long timeout = 0; + + /* Fist, ensure that the ISP is IDLE (no transactions happening) */ + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_SYSCONFIG, + ISP5_SYSCONFIG_STANDBYMODE_MASK, + ISP5_SYSCONFIG_STANDBYMODE_SMART); + + iss_reg_set(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL, ISP5_CTRL_MSTANDBY); + + for (;;) { + if (iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL) & + ISP5_CTRL_MSTANDBY_WAIT) + break; + if (timeout++ > 1000) { + dev_alert(iss->dev, "cannot set ISP5 to standby\n"); + return -ETIMEDOUT; + } + usleep_range(1000, 1500); + } + + /* Now finally, do the reset */ + iss_reg_set(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_SYSCONFIG, + ISP5_SYSCONFIG_SOFTRESET); + + timeout = 0; + while (iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_SYSCONFIG) & + ISP5_SYSCONFIG_SOFTRESET) { + if (timeout++ > 1000) { + dev_alert(iss->dev, "cannot reset ISP5\n"); + return -ETIMEDOUT; + } + usleep_range(1000, 1500); + } + + return 0; +} + +/* + * iss_module_sync_idle - Helper to sync module with its idle state + * @me: ISS submodule's media entity + * @wait: ISS submodule's wait queue for streamoff/interrupt synchronization + * @stopping: flag which tells module wants to stop + * + * This function checks if ISS submodule needs to wait for next interrupt. If + * yes, makes the caller to sleep while waiting for such event. + */ +int omap4iss_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait, + atomic_t *stopping) +{ + struct iss_pipeline *pipe = to_iss_pipeline(me); + struct iss_video *video = pipe->output; + unsigned long flags; + + if (pipe->stream_state == ISS_PIPELINE_STREAM_STOPPED || + (pipe->stream_state == ISS_PIPELINE_STREAM_SINGLESHOT && + !iss_pipeline_ready(pipe))) + return 0; + + /* + * atomic_set() doesn't include memory barrier on ARM platform for SMP + * scenario. We'll call it here to avoid race conditions. + */ + atomic_set(stopping, 1); + smp_wmb(); + + /* + * If module is the last one, it's writing to memory. In this case, + * it's necessary to check if the module is already paused due to + * DMA queue underrun or if it has to wait for next interrupt to be + * idle. + * If it isn't the last one, the function won't sleep but *stopping + * will still be set to warn next submodule caller's interrupt the + * module wants to be idle. + */ + if (!iss_pipeline_is_last(me)) + return 0; + + spin_lock_irqsave(&video->qlock, flags); + if (video->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_UNDERRUN) { + spin_unlock_irqrestore(&video->qlock, flags); + atomic_set(stopping, 0); + smp_wmb(); + return 0; + } + spin_unlock_irqrestore(&video->qlock, flags); + if (!wait_event_timeout(*wait, !atomic_read(stopping), + msecs_to_jiffies(1000))) { + atomic_set(stopping, 0); + smp_wmb(); + return -ETIMEDOUT; + } + + return 0; +} + +/* + * omap4iss_module_sync_is_stopped - Helper to verify if module was stopping + * @wait: ISS submodule's wait queue for streamoff/interrupt synchronization + * @stopping: flag which tells module wants to stop + * + * This function checks if ISS submodule was stopping. In case of yes, it + * notices the caller by setting stopping to 0 and waking up the wait queue. + * Returns 1 if it was stopping or 0 otherwise. + */ +int omap4iss_module_sync_is_stopping(wait_queue_head_t *wait, + atomic_t *stopping) +{ + if (atomic_cmpxchg(stopping, 1, 0)) { + wake_up(wait); + return 1; + } + + return 0; +} + +/* -------------------------------------------------------------------------- + * Clock management + */ + +#define ISS_CLKCTRL_MASK (ISS_CLKCTRL_CSI2_A |\ + ISS_CLKCTRL_CSI2_B |\ + ISS_CLKCTRL_ISP) + +static int __iss_subclk_update(struct iss_device *iss) +{ + u32 clk = 0; + int ret = 0, timeout = 1000; + + if (iss->subclk_resources & OMAP4_ISS_SUBCLK_CSI2_A) + clk |= ISS_CLKCTRL_CSI2_A; + + if (iss->subclk_resources & OMAP4_ISS_SUBCLK_CSI2_B) + clk |= ISS_CLKCTRL_CSI2_B; + + if (iss->subclk_resources & OMAP4_ISS_SUBCLK_ISP) + clk |= ISS_CLKCTRL_ISP; + + iss_reg_update(iss, OMAP4_ISS_MEM_TOP, ISS_CLKCTRL, + ISS_CLKCTRL_MASK, clk); + + /* Wait for HW assertion */ + while (--timeout > 0) { + udelay(1); + if ((iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_CLKSTAT) & + ISS_CLKCTRL_MASK) == clk) + break; + } + + if (!timeout) + ret = -EBUSY; + + return ret; +} + +int omap4iss_subclk_enable(struct iss_device *iss, + enum iss_subclk_resource res) +{ + iss->subclk_resources |= res; + + return __iss_subclk_update(iss); +} + +int omap4iss_subclk_disable(struct iss_device *iss, + enum iss_subclk_resource res) +{ + iss->subclk_resources &= ~res; + + return __iss_subclk_update(iss); +} + +#define ISS_ISP5_CLKCTRL_MASK (ISP5_CTRL_BL_CLK_ENABLE |\ + ISP5_CTRL_ISIF_CLK_ENABLE |\ + ISP5_CTRL_H3A_CLK_ENABLE |\ + ISP5_CTRL_RSZ_CLK_ENABLE |\ + ISP5_CTRL_IPIPE_CLK_ENABLE |\ + ISP5_CTRL_IPIPEIF_CLK_ENABLE) + +static void __iss_isp_subclk_update(struct iss_device *iss) +{ + u32 clk = 0; + + if (iss->isp_subclk_resources & OMAP4_ISS_ISP_SUBCLK_ISIF) + clk |= ISP5_CTRL_ISIF_CLK_ENABLE; + + if (iss->isp_subclk_resources & OMAP4_ISS_ISP_SUBCLK_H3A) + clk |= ISP5_CTRL_H3A_CLK_ENABLE; + + if (iss->isp_subclk_resources & OMAP4_ISS_ISP_SUBCLK_RSZ) + clk |= ISP5_CTRL_RSZ_CLK_ENABLE; + + if (iss->isp_subclk_resources & OMAP4_ISS_ISP_SUBCLK_IPIPE) + clk |= ISP5_CTRL_IPIPE_CLK_ENABLE; + + if (iss->isp_subclk_resources & OMAP4_ISS_ISP_SUBCLK_IPIPEIF) + clk |= ISP5_CTRL_IPIPEIF_CLK_ENABLE; + + if (clk) + clk |= ISP5_CTRL_BL_CLK_ENABLE; + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_CTRL, + ISS_ISP5_CLKCTRL_MASK, clk); +} + +void omap4iss_isp_subclk_enable(struct iss_device *iss, + enum iss_isp_subclk_resource res) +{ + iss->isp_subclk_resources |= res; + + __iss_isp_subclk_update(iss); +} + +void omap4iss_isp_subclk_disable(struct iss_device *iss, + enum iss_isp_subclk_resource res) +{ + iss->isp_subclk_resources &= ~res; + + __iss_isp_subclk_update(iss); +} + +/* + * iss_enable_clocks - Enable ISS clocks + * @iss: OMAP4 ISS device + * + * Return 0 if successful, or clk_enable return value if any of tthem fails. + */ +static int iss_enable_clocks(struct iss_device *iss) +{ + int ret; + + ret = clk_enable(iss->iss_fck); + if (ret) { + dev_err(iss->dev, "clk_enable iss_fck failed\n"); + return ret; + } + + ret = clk_enable(iss->iss_ctrlclk); + if (ret) { + dev_err(iss->dev, "clk_enable iss_ctrlclk failed\n"); + clk_disable(iss->iss_fck); + return ret; + } + + return 0; +} + +/* + * iss_disable_clocks - Disable ISS clocks + * @iss: OMAP4 ISS device + */ +static void iss_disable_clocks(struct iss_device *iss) +{ + clk_disable(iss->iss_ctrlclk); + clk_disable(iss->iss_fck); +} + +static void iss_put_clocks(struct iss_device *iss) +{ + if (iss->iss_fck) { + clk_put(iss->iss_fck); + iss->iss_fck = NULL; + } + + if (iss->iss_ctrlclk) { + clk_put(iss->iss_ctrlclk); + iss->iss_ctrlclk = NULL; + } +} + +static int iss_get_clocks(struct iss_device *iss) +{ + iss->iss_fck = clk_get(iss->dev, "iss_fck"); + if (IS_ERR(iss->iss_fck)) { + dev_err(iss->dev, "Unable to get iss_fck clock info\n"); + iss_put_clocks(iss); + return PTR_ERR(iss->iss_fck); + } + + iss->iss_ctrlclk = clk_get(iss->dev, "iss_ctrlclk"); + if (IS_ERR(iss->iss_ctrlclk)) { + dev_err(iss->dev, "Unable to get iss_ctrlclk clock info\n"); + iss_put_clocks(iss); + return PTR_ERR(iss->iss_fck); + } + + return 0; +} + +/* + * omap4iss_get - Acquire the ISS resource. + * + * Initializes the clocks for the first acquire. + * + * Increment the reference count on the ISS. If the first reference is taken, + * enable clocks and power-up all submodules. + * + * Return a pointer to the ISS device structure, or NULL if an error occurred. + */ +struct iss_device *omap4iss_get(struct iss_device *iss) +{ + struct iss_device *__iss = iss; + + if (iss == NULL) + return NULL; + + mutex_lock(&iss->iss_mutex); + if (iss->ref_count > 0) + goto out; + + if (iss_enable_clocks(iss) < 0) { + __iss = NULL; + goto out; + } + + iss_enable_interrupts(iss); + +out: + if (__iss != NULL) + iss->ref_count++; + mutex_unlock(&iss->iss_mutex); + + return __iss; +} + +/* + * omap4iss_put - Release the ISS + * + * Decrement the reference count on the ISS. If the last reference is released, + * power-down all submodules, disable clocks and free temporary buffers. + */ +void omap4iss_put(struct iss_device *iss) +{ + if (iss == NULL) + return; + + mutex_lock(&iss->iss_mutex); + BUG_ON(iss->ref_count == 0); + if (--iss->ref_count == 0) { + iss_disable_interrupts(iss); + /* Reset the ISS if an entity has failed to stop. This is the + * only way to recover from such conditions, although it would + * be worth investigating whether resetting the ISP only can't + * fix the problem in some cases. + */ + if (iss->crashed) + iss_reset(iss); + iss_disable_clocks(iss); + } + mutex_unlock(&iss->iss_mutex); +} + +static int iss_map_mem_resource(struct platform_device *pdev, + struct iss_device *iss, + enum iss_mem_resources res) +{ + struct resource *mem; + + /* request the mem region for the camera registers */ + + mem = platform_get_resource(pdev, IORESOURCE_MEM, res); + if (!mem) { + dev_err(iss->dev, "no mem resource?\n"); + return -ENODEV; + } + + if (!request_mem_region(mem->start, resource_size(mem), pdev->name)) { + dev_err(iss->dev, + "cannot reserve camera register I/O region\n"); + return -ENODEV; + } + iss->res[res] = mem; + + /* map the region */ + iss->regs[res] = ioremap_nocache(mem->start, resource_size(mem)); + if (!iss->regs[res]) { + dev_err(iss->dev, "cannot map camera register I/O region\n"); + return -ENODEV; + } + + return 0; +} + +static void iss_unregister_entities(struct iss_device *iss) +{ + omap4iss_resizer_unregister_entities(&iss->resizer); + omap4iss_ipipe_unregister_entities(&iss->ipipe); + omap4iss_ipipeif_unregister_entities(&iss->ipipeif); + omap4iss_csi2_unregister_entities(&iss->csi2a); + omap4iss_csi2_unregister_entities(&iss->csi2b); + + v4l2_device_unregister(&iss->v4l2_dev); + media_device_unregister(&iss->media_dev); +} + +/* + * iss_register_subdev_group - Register a group of subdevices + * @iss: OMAP4 ISS device + * @board_info: I2C subdevs board information array + * + * Register all I2C subdevices in the board_info array. The array must be + * terminated by a NULL entry, and the first entry must be the sensor. + * + * Return a pointer to the sensor media entity if it has been successfully + * registered, or NULL otherwise. + */ +static struct v4l2_subdev * +iss_register_subdev_group(struct iss_device *iss, + struct iss_subdev_i2c_board_info *board_info) +{ + struct v4l2_subdev *sensor = NULL; + unsigned int first; + + if (board_info->board_info == NULL) + return NULL; + + for (first = 1; board_info->board_info; ++board_info, first = 0) { + struct v4l2_subdev *subdev; + struct i2c_adapter *adapter; + + adapter = i2c_get_adapter(board_info->i2c_adapter_id); + if (adapter == NULL) { + dev_err(iss->dev, + "%s: Unable to get I2C adapter %d for device %s\n", + __func__, board_info->i2c_adapter_id, + board_info->board_info->type); + continue; + } + + subdev = v4l2_i2c_new_subdev_board(&iss->v4l2_dev, adapter, + board_info->board_info, NULL); + if (subdev == NULL) { + dev_err(iss->dev, "%s: Unable to register subdev %s\n", + __func__, board_info->board_info->type); + continue; + } + + if (first) + sensor = subdev; + } + + return sensor; +} + +static int iss_register_entities(struct iss_device *iss) +{ + struct iss_platform_data *pdata = iss->pdata; + struct iss_v4l2_subdevs_group *subdevs; + int ret; + + iss->media_dev.dev = iss->dev; + strlcpy(iss->media_dev.model, "TI OMAP4 ISS", + sizeof(iss->media_dev.model)); + iss->media_dev.hw_revision = iss->revision; + iss->media_dev.link_notify = iss_pipeline_link_notify; + ret = media_device_register(&iss->media_dev); + if (ret < 0) { + dev_err(iss->dev, "%s: Media device registration failed (%d)\n", + __func__, ret); + return ret; + } + + iss->v4l2_dev.mdev = &iss->media_dev; + ret = v4l2_device_register(iss->dev, &iss->v4l2_dev); + if (ret < 0) { + dev_err(iss->dev, "%s: V4L2 device registration failed (%d)\n", + __func__, ret); + goto done; + } + + /* Register internal entities */ + ret = omap4iss_csi2_register_entities(&iss->csi2a, &iss->v4l2_dev); + if (ret < 0) + goto done; + + ret = omap4iss_csi2_register_entities(&iss->csi2b, &iss->v4l2_dev); + if (ret < 0) + goto done; + + ret = omap4iss_ipipeif_register_entities(&iss->ipipeif, &iss->v4l2_dev); + if (ret < 0) + goto done; + + ret = omap4iss_ipipe_register_entities(&iss->ipipe, &iss->v4l2_dev); + if (ret < 0) + goto done; + + ret = omap4iss_resizer_register_entities(&iss->resizer, &iss->v4l2_dev); + if (ret < 0) + goto done; + + /* Register external entities */ + for (subdevs = pdata->subdevs; subdevs && subdevs->subdevs; ++subdevs) { + struct v4l2_subdev *sensor; + struct media_entity *input; + unsigned int flags; + unsigned int pad; + + sensor = iss_register_subdev_group(iss, subdevs->subdevs); + if (sensor == NULL) + continue; + + sensor->host_priv = subdevs; + + /* Connect the sensor to the correct interface module. + * CSI2a receiver through CSIPHY1, or + * CSI2b receiver through CSIPHY2 + */ + switch (subdevs->interface) { + case ISS_INTERFACE_CSI2A_PHY1: + input = &iss->csi2a.subdev.entity; + pad = CSI2_PAD_SINK; + flags = MEDIA_LNK_FL_IMMUTABLE + | MEDIA_LNK_FL_ENABLED; + break; + + case ISS_INTERFACE_CSI2B_PHY2: + input = &iss->csi2b.subdev.entity; + pad = CSI2_PAD_SINK; + flags = MEDIA_LNK_FL_IMMUTABLE + | MEDIA_LNK_FL_ENABLED; + break; + + default: + dev_err(iss->dev, "%s: invalid interface type %u\n", + __func__, subdevs->interface); + ret = -EINVAL; + goto done; + } + + ret = media_entity_create_link(&sensor->entity, 0, input, pad, + flags); + if (ret < 0) + goto done; + } + + ret = v4l2_device_register_subdev_nodes(&iss->v4l2_dev); + +done: + if (ret < 0) + iss_unregister_entities(iss); + + return ret; +} + +static void iss_cleanup_modules(struct iss_device *iss) +{ + omap4iss_csi2_cleanup(iss); + omap4iss_ipipeif_cleanup(iss); + omap4iss_ipipe_cleanup(iss); + omap4iss_resizer_cleanup(iss); +} + +static int iss_initialize_modules(struct iss_device *iss) +{ + int ret; + + ret = omap4iss_csiphy_init(iss); + if (ret < 0) { + dev_err(iss->dev, "CSI PHY initialization failed\n"); + goto error_csiphy; + } + + ret = omap4iss_csi2_init(iss); + if (ret < 0) { + dev_err(iss->dev, "CSI2 initialization failed\n"); + goto error_csi2; + } + + ret = omap4iss_ipipeif_init(iss); + if (ret < 0) { + dev_err(iss->dev, "ISP IPIPEIF initialization failed\n"); + goto error_ipipeif; + } + + ret = omap4iss_ipipe_init(iss); + if (ret < 0) { + dev_err(iss->dev, "ISP IPIPE initialization failed\n"); + goto error_ipipe; + } + + ret = omap4iss_resizer_init(iss); + if (ret < 0) { + dev_err(iss->dev, "ISP RESIZER initialization failed\n"); + goto error_resizer; + } + + /* Connect the submodules. */ + ret = media_entity_create_link( + &iss->csi2a.subdev.entity, CSI2_PAD_SOURCE, + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0); + if (ret < 0) + goto error_link; + + ret = media_entity_create_link( + &iss->csi2b.subdev.entity, CSI2_PAD_SOURCE, + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SINK, 0); + if (ret < 0) + goto error_link; + + ret = media_entity_create_link( + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP, + &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0); + if (ret < 0) + goto error_link; + + ret = media_entity_create_link( + &iss->ipipeif.subdev.entity, IPIPEIF_PAD_SOURCE_VP, + &iss->ipipe.subdev.entity, IPIPE_PAD_SINK, 0); + if (ret < 0) + goto error_link; + + ret = media_entity_create_link( + &iss->ipipe.subdev.entity, IPIPE_PAD_SOURCE_VP, + &iss->resizer.subdev.entity, RESIZER_PAD_SINK, 0); + if (ret < 0) + goto error_link; + + return 0; + +error_link: + omap4iss_resizer_cleanup(iss); +error_resizer: + omap4iss_ipipe_cleanup(iss); +error_ipipe: + omap4iss_ipipeif_cleanup(iss); +error_ipipeif: + omap4iss_csi2_cleanup(iss); +error_csi2: +error_csiphy: + return ret; +} + +static int iss_probe(struct platform_device *pdev) +{ + struct iss_platform_data *pdata = pdev->dev.platform_data; + struct iss_device *iss; + unsigned int i; + int ret; + + if (pdata == NULL) + return -EINVAL; + + iss = kzalloc(sizeof(*iss), GFP_KERNEL); + if (!iss) { + dev_err(&pdev->dev, "Could not allocate memory\n"); + return -ENOMEM; + } + + mutex_init(&iss->iss_mutex); + + iss->dev = &pdev->dev; + iss->pdata = pdata; + + iss->raw_dmamask = DMA_BIT_MASK(32); + iss->dev->dma_mask = &iss->raw_dmamask; + iss->dev->coherent_dma_mask = DMA_BIT_MASK(32); + + platform_set_drvdata(pdev, iss); + + /* Clocks */ + ret = iss_map_mem_resource(pdev, iss, OMAP4_ISS_MEM_TOP); + if (ret < 0) + goto error; + + ret = iss_get_clocks(iss); + if (ret < 0) + goto error; + + if (omap4iss_get(iss) == NULL) + goto error; + + ret = iss_reset(iss); + if (ret < 0) + goto error_iss; + + iss->revision = iss_reg_read(iss, OMAP4_ISS_MEM_TOP, ISS_HL_REVISION); + dev_info(iss->dev, "Revision %08x found\n", iss->revision); + + for (i = 1; i < OMAP4_ISS_MEM_LAST; i++) { + ret = iss_map_mem_resource(pdev, iss, i); + if (ret) + goto error_iss; + } + + /* Configure BTE BW_LIMITER field to max recommended value (1 GB) */ + iss_reg_update(iss, OMAP4_ISS_MEM_BTE, BTE_CTRL, + BTE_CTRL_BW_LIMITER_MASK, + 18 << BTE_CTRL_BW_LIMITER_SHIFT); + + /* Perform ISP reset */ + ret = omap4iss_subclk_enable(iss, OMAP4_ISS_SUBCLK_ISP); + if (ret < 0) + goto error_iss; + + ret = iss_isp_reset(iss); + if (ret < 0) + goto error_iss; + + dev_info(iss->dev, "ISP Revision %08x found\n", + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_REVISION)); + + /* Interrupt */ + iss->irq_num = platform_get_irq(pdev, 0); + if (iss->irq_num <= 0) { + dev_err(iss->dev, "No IRQ resource\n"); + ret = -ENODEV; + goto error_iss; + } + + if (request_irq(iss->irq_num, iss_isr, IRQF_SHARED, "OMAP4 ISS", iss)) { + dev_err(iss->dev, "Unable to request IRQ\n"); + ret = -EINVAL; + goto error_iss; + } + + /* Entities */ + ret = iss_initialize_modules(iss); + if (ret < 0) + goto error_irq; + + ret = iss_register_entities(iss); + if (ret < 0) + goto error_modules; + + omap4iss_put(iss); + + return 0; + +error_modules: + iss_cleanup_modules(iss); +error_irq: + free_irq(iss->irq_num, iss); +error_iss: + omap4iss_put(iss); +error: + iss_put_clocks(iss); + + for (i = 0; i < OMAP4_ISS_MEM_LAST; i++) { + if (iss->regs[i]) { + iounmap(iss->regs[i]); + iss->regs[i] = NULL; + } + + if (iss->res[i]) { + release_mem_region(iss->res[i]->start, + resource_size(iss->res[i])); + iss->res[i] = NULL; + } + } + platform_set_drvdata(pdev, NULL); + + mutex_destroy(&iss->iss_mutex); + kfree(iss); + + return ret; +} + +static int iss_remove(struct platform_device *pdev) +{ + struct iss_device *iss = platform_get_drvdata(pdev); + unsigned int i; + + iss_unregister_entities(iss); + iss_cleanup_modules(iss); + + free_irq(iss->irq_num, iss); + iss_put_clocks(iss); + + for (i = 0; i < OMAP4_ISS_MEM_LAST; i++) { + if (iss->regs[i]) { + iounmap(iss->regs[i]); + iss->regs[i] = NULL; + } + + if (iss->res[i]) { + release_mem_region(iss->res[i]->start, + resource_size(iss->res[i])); + iss->res[i] = NULL; + } + } + + kfree(iss); + + return 0; +} + +static struct platform_device_id omap4iss_id_table[] = { + { "omap4iss", 0 }, + { }, +}; +MODULE_DEVICE_TABLE(platform, omap4iss_id_table); + +static struct platform_driver iss_driver = { + .probe = iss_probe, + .remove = iss_remove, + .id_table = omap4iss_id_table, + .driver = { + .owner = THIS_MODULE, + .name = "omap4iss", + }, +}; + +module_platform_driver(iss_driver); + +MODULE_DESCRIPTION("TI OMAP4 ISS driver"); +MODULE_AUTHOR("Sergio Aguirre <sergio.a.aguirre@gmail.com>"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(ISS_VIDEO_DRIVER_VERSION); diff --git a/drivers/staging/media/omap4iss/iss.h b/drivers/staging/media/omap4iss/iss.h new file mode 100644 index 000000000000..346db9233171 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss.h @@ -0,0 +1,236 @@ +/* + * TI OMAP4 ISS V4L2 Driver + * + * Copyright (C) 2012 Texas Instruments. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _OMAP4_ISS_H_ +#define _OMAP4_ISS_H_ + +#include <media/v4l2-device.h> +#include <linux/device.h> +#include <linux/io.h> +#include <linux/platform_device.h> +#include <linux/wait.h> + +#include <media/omap4iss.h> + +#include "iss_regs.h" +#include "iss_csiphy.h" +#include "iss_csi2.h" +#include "iss_ipipeif.h" +#include "iss_ipipe.h" +#include "iss_resizer.h" + +#define to_iss_device(ptr_module) \ + container_of(ptr_module, struct iss_device, ptr_module) +#define to_device(ptr_module) \ + (to_iss_device(ptr_module)->dev) + +enum iss_mem_resources { + OMAP4_ISS_MEM_TOP, + OMAP4_ISS_MEM_CSI2_A_REGS1, + OMAP4_ISS_MEM_CAMERARX_CORE1, + OMAP4_ISS_MEM_CSI2_B_REGS1, + OMAP4_ISS_MEM_CAMERARX_CORE2, + OMAP4_ISS_MEM_BTE, + OMAP4_ISS_MEM_ISP_SYS1, + OMAP4_ISS_MEM_ISP_RESIZER, + OMAP4_ISS_MEM_ISP_IPIPE, + OMAP4_ISS_MEM_ISP_ISIF, + OMAP4_ISS_MEM_ISP_IPIPEIF, + OMAP4_ISS_MEM_LAST, +}; + +enum iss_subclk_resource { + OMAP4_ISS_SUBCLK_SIMCOP = (1 << 0), + OMAP4_ISS_SUBCLK_ISP = (1 << 1), + OMAP4_ISS_SUBCLK_CSI2_A = (1 << 2), + OMAP4_ISS_SUBCLK_CSI2_B = (1 << 3), + OMAP4_ISS_SUBCLK_CCP2 = (1 << 4), +}; + +enum iss_isp_subclk_resource { + OMAP4_ISS_ISP_SUBCLK_BL = (1 << 0), + OMAP4_ISS_ISP_SUBCLK_ISIF = (1 << 1), + OMAP4_ISS_ISP_SUBCLK_H3A = (1 << 2), + OMAP4_ISS_ISP_SUBCLK_RSZ = (1 << 3), + OMAP4_ISS_ISP_SUBCLK_IPIPE = (1 << 4), + OMAP4_ISS_ISP_SUBCLK_IPIPEIF = (1 << 5), +}; + +/* + * struct iss_reg - Structure for ISS register values. + * @reg: 32-bit Register address. + * @val: 32-bit Register value. + */ +struct iss_reg { + enum iss_mem_resources mmio_range; + u32 reg; + u32 val; +}; + +/* + * struct iss_device - ISS device structure. + * @crashed: Bitmask of crashed entities (indexed by entity ID) + */ +struct iss_device { + struct v4l2_device v4l2_dev; + struct media_device media_dev; + struct device *dev; + u32 revision; + + /* platform HW resources */ + struct iss_platform_data *pdata; + unsigned int irq_num; + + struct resource *res[OMAP4_ISS_MEM_LAST]; + void __iomem *regs[OMAP4_ISS_MEM_LAST]; + + u64 raw_dmamask; + + struct mutex iss_mutex; /* For handling ref_count field */ + bool crashed; + int has_context; + int ref_count; + + struct clk *iss_fck; + struct clk *iss_ctrlclk; + + /* ISS modules */ + struct iss_csi2_device csi2a; + struct iss_csi2_device csi2b; + struct iss_csiphy csiphy1; + struct iss_csiphy csiphy2; + struct iss_ipipeif_device ipipeif; + struct iss_ipipe_device ipipe; + struct iss_resizer_device resizer; + + unsigned int subclk_resources; + unsigned int isp_subclk_resources; +}; + +#define v4l2_dev_to_iss_device(dev) \ + container_of(dev, struct iss_device, v4l2_dev) + +int omap4iss_get_external_info(struct iss_pipeline *pipe, + struct media_link *link); + +int omap4iss_module_sync_idle(struct media_entity *me, wait_queue_head_t *wait, + atomic_t *stopping); + +int omap4iss_module_sync_is_stopping(wait_queue_head_t *wait, + atomic_t *stopping); + +int omap4iss_pipeline_set_stream(struct iss_pipeline *pipe, + enum iss_pipeline_stream_state state); +void omap4iss_pipeline_cancel_stream(struct iss_pipeline *pipe); + +void omap4iss_configure_bridge(struct iss_device *iss, + enum ipipeif_input_entity input); + +struct iss_device *omap4iss_get(struct iss_device *iss); +void omap4iss_put(struct iss_device *iss); +int omap4iss_subclk_enable(struct iss_device *iss, + enum iss_subclk_resource res); +int omap4iss_subclk_disable(struct iss_device *iss, + enum iss_subclk_resource res); +void omap4iss_isp_subclk_enable(struct iss_device *iss, + enum iss_isp_subclk_resource res); +void omap4iss_isp_subclk_disable(struct iss_device *iss, + enum iss_isp_subclk_resource res); + +int omap4iss_pipeline_pm_use(struct media_entity *entity, int use); + +int omap4iss_register_entities(struct platform_device *pdev, + struct v4l2_device *v4l2_dev); +void omap4iss_unregister_entities(struct platform_device *pdev); + +/* + * iss_reg_read - Read the value of an OMAP4 ISS register + * @iss: the ISS device + * @res: memory resource in which the register is located + * @offset: register offset in the memory resource + * + * Return the register value. + */ +static inline +u32 iss_reg_read(struct iss_device *iss, enum iss_mem_resources res, + u32 offset) +{ + return readl(iss->regs[res] + offset); +} + +/* + * iss_reg_write - Write a value to an OMAP4 ISS register + * @iss: the ISS device + * @res: memory resource in which the register is located + * @offset: register offset in the memory resource + * @value: value to be written + */ +static inline +void iss_reg_write(struct iss_device *iss, enum iss_mem_resources res, + u32 offset, u32 value) +{ + writel(value, iss->regs[res] + offset); +} + +/* + * iss_reg_clr - Clear bits in an OMAP4 ISS register + * @iss: the ISS device + * @res: memory resource in which the register is located + * @offset: register offset in the memory resource + * @clr: bit mask to be cleared + */ +static inline +void iss_reg_clr(struct iss_device *iss, enum iss_mem_resources res, + u32 offset, u32 clr) +{ + u32 v = iss_reg_read(iss, res, offset); + + iss_reg_write(iss, res, offset, v & ~clr); +} + +/* + * iss_reg_set - Set bits in an OMAP4 ISS register + * @iss: the ISS device + * @res: memory resource in which the register is located + * @offset: register offset in the memory resource + * @set: bit mask to be set + */ +static inline +void iss_reg_set(struct iss_device *iss, enum iss_mem_resources res, + u32 offset, u32 set) +{ + u32 v = iss_reg_read(iss, res, offset); + + iss_reg_write(iss, res, offset, v | set); +} + +/* + * iss_reg_update - Clear and set bits in an OMAP4 ISS register + * @iss: the ISS device + * @res: memory resource in which the register is located + * @offset: register offset in the memory resource + * @clr: bit mask to be cleared + * @set: bit mask to be set + * + * Clear the clr mask first and then set the set mask. + */ +static inline +void iss_reg_update(struct iss_device *iss, enum iss_mem_resources res, + u32 offset, u32 clr, u32 set) +{ + u32 v = iss_reg_read(iss, res, offset); + + iss_reg_write(iss, res, offset, (v & ~clr) | set); +} + +#endif /* _OMAP4_ISS_H_ */ diff --git a/drivers/staging/media/omap4iss/iss_csi2.c b/drivers/staging/media/omap4iss/iss_csi2.c new file mode 100644 index 000000000000..e4fc4a0b69db --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_csi2.c @@ -0,0 +1,1344 @@ +/* + * TI OMAP4 ISS V4L2 Driver - CSI PHY module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/delay.h> +#include <media/v4l2-common.h> +#include <linux/v4l2-mediabus.h> +#include <linux/mm.h> + +#include "iss.h" +#include "iss_regs.h" +#include "iss_csi2.h" + +/* + * csi2_if_enable - Enable CSI2 Receiver interface. + * @enable: enable flag + * + */ +static void csi2_if_enable(struct iss_csi2_device *csi2, u8 enable) +{ + struct iss_csi2_ctrl_cfg *currctrl = &csi2->ctrl; + + iss_reg_update(csi2->iss, csi2->regs1, CSI2_CTRL, CSI2_CTRL_IF_EN, + enable ? CSI2_CTRL_IF_EN : 0); + + currctrl->if_enable = enable; +} + +/* + * csi2_recv_config - CSI2 receiver module configuration. + * @currctrl: iss_csi2_ctrl_cfg structure + * + */ +static void csi2_recv_config(struct iss_csi2_device *csi2, + struct iss_csi2_ctrl_cfg *currctrl) +{ + u32 reg = 0; + + if (currctrl->frame_mode) + reg |= CSI2_CTRL_FRAME; + else + reg &= ~CSI2_CTRL_FRAME; + + if (currctrl->vp_clk_enable) + reg |= CSI2_CTRL_VP_CLK_EN; + else + reg &= ~CSI2_CTRL_VP_CLK_EN; + + if (currctrl->vp_only_enable) + reg |= CSI2_CTRL_VP_ONLY_EN; + else + reg &= ~CSI2_CTRL_VP_ONLY_EN; + + reg &= ~CSI2_CTRL_VP_OUT_CTRL_MASK; + reg |= currctrl->vp_out_ctrl << CSI2_CTRL_VP_OUT_CTRL_SHIFT; + + if (currctrl->ecc_enable) + reg |= CSI2_CTRL_ECC_EN; + else + reg &= ~CSI2_CTRL_ECC_EN; + + /* + * Set MFlag assertion boundaries to: + * Low: 4/8 of FIFO size + * High: 6/8 of FIFO size + */ + reg &= ~(CSI2_CTRL_MFLAG_LEVH_MASK | CSI2_CTRL_MFLAG_LEVL_MASK); + reg |= (2 << CSI2_CTRL_MFLAG_LEVH_SHIFT) | + (4 << CSI2_CTRL_MFLAG_LEVL_SHIFT); + + /* Generation of 16x64-bit bursts (Recommended) */ + reg |= CSI2_CTRL_BURST_SIZE_EXPAND; + + /* Do Non-Posted writes (Recommended) */ + reg |= CSI2_CTRL_NON_POSTED_WRITE; + + /* + * Enforce Little endian for all formats, including: + * YUV4:2:2 8-bit and YUV4:2:0 Legacy + */ + reg |= CSI2_CTRL_ENDIANNESS; + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTRL, reg); +} + +static const unsigned int csi2_input_fmts[] = { + V4L2_MBUS_FMT_SGRBG10_1X10, + V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, + V4L2_MBUS_FMT_SRGGB10_1X10, + V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8, + V4L2_MBUS_FMT_SBGGR10_1X10, + V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8, + V4L2_MBUS_FMT_SGBRG10_1X10, + V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8, + V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_MBUS_FMT_SGBRG8_1X8, + V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_MBUS_FMT_UYVY8_1X16, + V4L2_MBUS_FMT_YUYV8_1X16, +}; + +/* To set the format on the CSI2 requires a mapping function that takes + * the following inputs: + * - 3 different formats (at this time) + * - 2 destinations (mem, vp+mem) (vp only handled separately) + * - 2 decompression options (on, off) + * Output should be CSI2 frame format code + * Array indices as follows: [format][dest][decompr] + * Not all combinations are valid. 0 means invalid. + */ +static const u16 __csi2_fmt_map[][2][2] = { + /* RAW10 formats */ + { + /* Output to memory */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_RAW10_EXP16, + /* DPCM decompression */ + 0, + }, + /* Output to both */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_RAW10_EXP16_VP, + /* DPCM decompression */ + 0, + }, + }, + /* RAW10 DPCM8 formats */ + { + /* Output to memory */ + { + /* No DPCM decompression */ + CSI2_USERDEF_8BIT_DATA1, + /* DPCM decompression */ + CSI2_USERDEF_8BIT_DATA1_DPCM10, + }, + /* Output to both */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_RAW8_VP, + /* DPCM decompression */ + CSI2_USERDEF_8BIT_DATA1_DPCM10_VP, + }, + }, + /* RAW8 formats */ + { + /* Output to memory */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_RAW8, + /* DPCM decompression */ + 0, + }, + /* Output to both */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_RAW8_VP, + /* DPCM decompression */ + 0, + }, + }, + /* YUV422 formats */ + { + /* Output to memory */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_YUV422_8BIT, + /* DPCM decompression */ + 0, + }, + /* Output to both */ + { + /* No DPCM decompression */ + CSI2_PIX_FMT_YUV422_8BIT_VP16, + /* DPCM decompression */ + 0, + }, + }, +}; + +/* + * csi2_ctx_map_format - Map CSI2 sink media bus format to CSI2 format ID + * @csi2: ISS CSI2 device + * + * Returns CSI2 physical format id + */ +static u16 csi2_ctx_map_format(struct iss_csi2_device *csi2) +{ + const struct v4l2_mbus_framefmt *fmt = &csi2->formats[CSI2_PAD_SINK]; + int fmtidx, destidx; + + switch (fmt->code) { + case V4L2_MBUS_FMT_SGRBG10_1X10: + case V4L2_MBUS_FMT_SRGGB10_1X10: + case V4L2_MBUS_FMT_SBGGR10_1X10: + case V4L2_MBUS_FMT_SGBRG10_1X10: + fmtidx = 0; + break; + case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8: + case V4L2_MBUS_FMT_SRGGB10_DPCM8_1X8: + case V4L2_MBUS_FMT_SBGGR10_DPCM8_1X8: + case V4L2_MBUS_FMT_SGBRG10_DPCM8_1X8: + fmtidx = 1; + break; + case V4L2_MBUS_FMT_SBGGR8_1X8: + case V4L2_MBUS_FMT_SGBRG8_1X8: + case V4L2_MBUS_FMT_SGRBG8_1X8: + case V4L2_MBUS_FMT_SRGGB8_1X8: + fmtidx = 2; + break; + case V4L2_MBUS_FMT_UYVY8_1X16: + case V4L2_MBUS_FMT_YUYV8_1X16: + fmtidx = 3; + break; + default: + WARN(1, KERN_ERR "CSI2: pixel format %08x unsupported!\n", + fmt->code); + return 0; + } + + if (!(csi2->output & CSI2_OUTPUT_IPIPEIF) && + !(csi2->output & CSI2_OUTPUT_MEMORY)) { + /* Neither output enabled is a valid combination */ + return CSI2_PIX_FMT_OTHERS; + } + + /* If we need to skip frames at the beginning of the stream disable the + * video port to avoid sending the skipped frames to the IPIPEIF. + */ + destidx = csi2->frame_skip ? 0 : !!(csi2->output & CSI2_OUTPUT_IPIPEIF); + + return __csi2_fmt_map[fmtidx][destidx][csi2->dpcm_decompress]; +} + +/* + * csi2_set_outaddr - Set memory address to save output image + * @csi2: Pointer to ISS CSI2a device. + * @addr: 32-bit memory address aligned on 32 byte boundary. + * + * Sets the memory address where the output will be saved. + * + * Returns 0 if successful, or -EINVAL if the address is not in the 32 byte + * boundary. + */ +static void csi2_set_outaddr(struct iss_csi2_device *csi2, u32 addr) +{ + struct iss_csi2_ctx_cfg *ctx = &csi2->contexts[0]; + + ctx->ping_addr = addr; + ctx->pong_addr = addr; + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_PING_ADDR(ctx->ctxnum), + ctx->ping_addr); + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_PONG_ADDR(ctx->ctxnum), + ctx->pong_addr); +} + +/* + * is_usr_def_mapping - Checks whether USER_DEF_MAPPING should + * be enabled by CSI2. + * @format_id: mapped format id + * + */ +static inline int is_usr_def_mapping(u32 format_id) +{ + return (format_id & 0xf0) == 0x40 ? 1 : 0; +} + +/* + * csi2_ctx_enable - Enable specified CSI2 context + * @ctxnum: Context number, valid between 0 and 7 values. + * @enable: enable + * + */ +static void csi2_ctx_enable(struct iss_csi2_device *csi2, u8 ctxnum, u8 enable) +{ + struct iss_csi2_ctx_cfg *ctx = &csi2->contexts[ctxnum]; + u32 reg; + + reg = iss_reg_read(csi2->iss, csi2->regs1, CSI2_CTX_CTRL1(ctxnum)); + + if (enable) { + unsigned int skip = 0; + + if (csi2->frame_skip) + skip = csi2->frame_skip; + else if (csi2->output & CSI2_OUTPUT_MEMORY) + skip = 1; + + reg &= ~CSI2_CTX_CTRL1_COUNT_MASK; + reg |= CSI2_CTX_CTRL1_COUNT_UNLOCK + | (skip << CSI2_CTX_CTRL1_COUNT_SHIFT) + | CSI2_CTX_CTRL1_CTX_EN; + } else { + reg &= ~CSI2_CTX_CTRL1_CTX_EN; + } + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_CTRL1(ctxnum), reg); + ctx->enabled = enable; +} + +/* + * csi2_ctx_config - CSI2 context configuration. + * @ctx: context configuration + * + */ +static void csi2_ctx_config(struct iss_csi2_device *csi2, + struct iss_csi2_ctx_cfg *ctx) +{ + u32 reg; + + /* Set up CSI2_CTx_CTRL1 */ + if (ctx->eof_enabled) + reg = CSI2_CTX_CTRL1_EOF_EN; + + if (ctx->eol_enabled) + reg |= CSI2_CTX_CTRL1_EOL_EN; + + if (ctx->checksum_enabled) + reg |= CSI2_CTX_CTRL1_CS_EN; + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_CTRL1(ctx->ctxnum), reg); + + /* Set up CSI2_CTx_CTRL2 */ + reg = ctx->virtual_id << CSI2_CTX_CTRL2_VIRTUAL_ID_SHIFT; + reg |= ctx->format_id << CSI2_CTX_CTRL2_FORMAT_SHIFT; + + if (ctx->dpcm_decompress && ctx->dpcm_predictor) + reg |= CSI2_CTX_CTRL2_DPCM_PRED; + + if (is_usr_def_mapping(ctx->format_id)) + reg |= 2 << CSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT; + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_CTRL2(ctx->ctxnum), reg); + + /* Set up CSI2_CTx_CTRL3 */ + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_CTRL3(ctx->ctxnum), + ctx->alpha << CSI2_CTX_CTRL3_ALPHA_SHIFT); + + /* Set up CSI2_CTx_DAT_OFST */ + iss_reg_update(csi2->iss, csi2->regs1, CSI2_CTX_DAT_OFST(ctx->ctxnum), + CSI2_CTX_DAT_OFST_MASK, ctx->data_offset); + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_PING_ADDR(ctx->ctxnum), + ctx->ping_addr); + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_PONG_ADDR(ctx->ctxnum), + ctx->pong_addr); +} + +/* + * csi2_timing_config - CSI2 timing configuration. + * @timing: csi2_timing_cfg structure + */ +static void csi2_timing_config(struct iss_csi2_device *csi2, + struct iss_csi2_timing_cfg *timing) +{ + u32 reg; + + reg = iss_reg_read(csi2->iss, csi2->regs1, CSI2_TIMING); + + if (timing->force_rx_mode) + reg |= CSI2_TIMING_FORCE_RX_MODE_IO1; + else + reg &= ~CSI2_TIMING_FORCE_RX_MODE_IO1; + + if (timing->stop_state_16x) + reg |= CSI2_TIMING_STOP_STATE_X16_IO1; + else + reg &= ~CSI2_TIMING_STOP_STATE_X16_IO1; + + if (timing->stop_state_4x) + reg |= CSI2_TIMING_STOP_STATE_X4_IO1; + else + reg &= ~CSI2_TIMING_STOP_STATE_X4_IO1; + + reg &= ~CSI2_TIMING_STOP_STATE_COUNTER_IO1_MASK; + reg |= timing->stop_state_counter << + CSI2_TIMING_STOP_STATE_COUNTER_IO1_SHIFT; + + iss_reg_write(csi2->iss, csi2->regs1, CSI2_TIMING, reg); +} + +/* + * csi2_irq_ctx_set - Enables CSI2 Context IRQs. + * @enable: Enable/disable CSI2 Context interrupts + */ +static void csi2_irq_ctx_set(struct iss_csi2_device *csi2, int enable) +{ + u32 reg = CSI2_CTX_IRQ_FE; + int i; + + if (csi2->use_fs_irq) + reg |= CSI2_CTX_IRQ_FS; + + for (i = 0; i < 8; i++) { + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_IRQSTATUS(i), + reg); + if (enable) + iss_reg_set(csi2->iss, csi2->regs1, + CSI2_CTX_IRQENABLE(i), reg); + else + iss_reg_clr(csi2->iss, csi2->regs1, + CSI2_CTX_IRQENABLE(i), reg); + } +} + +/* + * csi2_irq_complexio1_set - Enables CSI2 ComplexIO IRQs. + * @enable: Enable/disable CSI2 ComplexIO #1 interrupts + */ +static void csi2_irq_complexio1_set(struct iss_csi2_device *csi2, int enable) +{ + u32 reg; + reg = CSI2_COMPLEXIO_IRQ_STATEALLULPMEXIT | + CSI2_COMPLEXIO_IRQ_STATEALLULPMENTER | + CSI2_COMPLEXIO_IRQ_STATEULPM5 | + CSI2_COMPLEXIO_IRQ_ERRCONTROL5 | + CSI2_COMPLEXIO_IRQ_ERRESC5 | + CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS5 | + CSI2_COMPLEXIO_IRQ_ERRSOTHS5 | + CSI2_COMPLEXIO_IRQ_STATEULPM4 | + CSI2_COMPLEXIO_IRQ_ERRCONTROL4 | + CSI2_COMPLEXIO_IRQ_ERRESC4 | + CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS4 | + CSI2_COMPLEXIO_IRQ_ERRSOTHS4 | + CSI2_COMPLEXIO_IRQ_STATEULPM3 | + CSI2_COMPLEXIO_IRQ_ERRCONTROL3 | + CSI2_COMPLEXIO_IRQ_ERRESC3 | + CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS3 | + CSI2_COMPLEXIO_IRQ_ERRSOTHS3 | + CSI2_COMPLEXIO_IRQ_STATEULPM2 | + CSI2_COMPLEXIO_IRQ_ERRCONTROL2 | + CSI2_COMPLEXIO_IRQ_ERRESC2 | + CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS2 | + CSI2_COMPLEXIO_IRQ_ERRSOTHS2 | + CSI2_COMPLEXIO_IRQ_STATEULPM1 | + CSI2_COMPLEXIO_IRQ_ERRCONTROL1 | + CSI2_COMPLEXIO_IRQ_ERRESC1 | + CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS1 | + CSI2_COMPLEXIO_IRQ_ERRSOTHS1; + iss_reg_write(csi2->iss, csi2->regs1, CSI2_COMPLEXIO_IRQSTATUS, reg); + if (enable) + iss_reg_set(csi2->iss, csi2->regs1, CSI2_COMPLEXIO_IRQENABLE, + reg); + else + iss_reg_write(csi2->iss, csi2->regs1, CSI2_COMPLEXIO_IRQENABLE, + 0); +} + +/* + * csi2_irq_status_set - Enables CSI2 Status IRQs. + * @enable: Enable/disable CSI2 Status interrupts + */ +static void csi2_irq_status_set(struct iss_csi2_device *csi2, int enable) +{ + u32 reg; + reg = CSI2_IRQ_OCP_ERR | + CSI2_IRQ_SHORT_PACKET | + CSI2_IRQ_ECC_CORRECTION | + CSI2_IRQ_ECC_NO_CORRECTION | + CSI2_IRQ_COMPLEXIO_ERR | + CSI2_IRQ_FIFO_OVF | + CSI2_IRQ_CONTEXT0; + iss_reg_write(csi2->iss, csi2->regs1, CSI2_IRQSTATUS, reg); + if (enable) + iss_reg_set(csi2->iss, csi2->regs1, CSI2_IRQENABLE, reg); + else + iss_reg_write(csi2->iss, csi2->regs1, CSI2_IRQENABLE, 0); +} + +/* + * omap4iss_csi2_reset - Resets the CSI2 module. + * + * Must be called with the phy lock held. + * + * Returns 0 if successful, or -EBUSY if power command didn't respond. + */ +int omap4iss_csi2_reset(struct iss_csi2_device *csi2) +{ + u8 soft_reset_retries = 0; + u32 reg; + int i; + + if (!csi2->available) + return -ENODEV; + + if (csi2->phy->phy_in_use) + return -EBUSY; + + iss_reg_set(csi2->iss, csi2->regs1, CSI2_SYSCONFIG, + CSI2_SYSCONFIG_SOFT_RESET); + + do { + reg = iss_reg_read(csi2->iss, csi2->regs1, CSI2_SYSSTATUS) + & CSI2_SYSSTATUS_RESET_DONE; + if (reg == CSI2_SYSSTATUS_RESET_DONE) + break; + soft_reset_retries++; + if (soft_reset_retries < 5) + usleep_range(100, 100); + } while (soft_reset_retries < 5); + + if (soft_reset_retries == 5) { + dev_err(csi2->iss->dev, + "CSI2: Soft reset try count exceeded!\n"); + return -EBUSY; + } + + iss_reg_set(csi2->iss, csi2->regs1, CSI2_COMPLEXIO_CFG, + CSI2_COMPLEXIO_CFG_RESET_CTRL); + + i = 100; + do { + reg = iss_reg_read(csi2->iss, csi2->phy->phy_regs, REGISTER1) + & REGISTER1_RESET_DONE_CTRLCLK; + if (reg == REGISTER1_RESET_DONE_CTRLCLK) + break; + usleep_range(100, 100); + } while (--i > 0); + + if (i == 0) { + dev_err(csi2->iss->dev, + "CSI2: Reset for CSI2_96M_FCLK domain Failed!\n"); + return -EBUSY; + } + + iss_reg_update(csi2->iss, csi2->regs1, CSI2_SYSCONFIG, + CSI2_SYSCONFIG_MSTANDBY_MODE_MASK | + CSI2_SYSCONFIG_AUTO_IDLE, + CSI2_SYSCONFIG_MSTANDBY_MODE_NO); + + return 0; +} + +static int csi2_configure(struct iss_csi2_device *csi2) +{ + const struct iss_v4l2_subdevs_group *pdata; + struct iss_csi2_timing_cfg *timing = &csi2->timing[0]; + struct v4l2_subdev *sensor; + struct media_pad *pad; + + /* + * CSI2 fields that can be updated while the context has + * been enabled or the interface has been enabled are not + * updated dynamically currently. So we do not allow to + * reconfigure if either has been enabled + */ + if (csi2->contexts[0].enabled || csi2->ctrl.if_enable) + return -EBUSY; + + pad = media_entity_remote_pad(&csi2->pads[CSI2_PAD_SINK]); + sensor = media_entity_to_v4l2_subdev(pad->entity); + pdata = sensor->host_priv; + + csi2->frame_skip = 0; + v4l2_subdev_call(sensor, sensor, g_skip_frames, &csi2->frame_skip); + + csi2->ctrl.vp_out_ctrl = pdata->bus.csi2.vpclk_div; + csi2->ctrl.frame_mode = ISS_CSI2_FRAME_IMMEDIATE; + csi2->ctrl.ecc_enable = pdata->bus.csi2.crc; + + timing->force_rx_mode = 1; + timing->stop_state_16x = 1; + timing->stop_state_4x = 1; + timing->stop_state_counter = 0x1ff; + + /* + * The CSI2 receiver can't do any format conversion except DPCM + * decompression, so every set_format call configures both pads + * and enables DPCM decompression as a special case: + */ + if (csi2->formats[CSI2_PAD_SINK].code != + csi2->formats[CSI2_PAD_SOURCE].code) + csi2->dpcm_decompress = true; + else + csi2->dpcm_decompress = false; + + csi2->contexts[0].format_id = csi2_ctx_map_format(csi2); + + if (csi2->video_out.bpl_padding == 0) + csi2->contexts[0].data_offset = 0; + else + csi2->contexts[0].data_offset = csi2->video_out.bpl_value; + + /* + * Enable end of frame and end of line signals generation for + * context 0. These signals are generated from CSI2 receiver to + * qualify the last pixel of a frame and the last pixel of a line. + * Without enabling the signals CSI2 receiver writes data to memory + * beyond buffer size and/or data line offset is not handled correctly. + */ + csi2->contexts[0].eof_enabled = 1; + csi2->contexts[0].eol_enabled = 1; + + csi2_irq_complexio1_set(csi2, 1); + csi2_irq_ctx_set(csi2, 1); + csi2_irq_status_set(csi2, 1); + + /* Set configuration (timings, format and links) */ + csi2_timing_config(csi2, timing); + csi2_recv_config(csi2, &csi2->ctrl); + csi2_ctx_config(csi2, &csi2->contexts[0]); + + return 0; +} + +/* + * csi2_print_status - Prints CSI2 debug information. + */ +#define CSI2_PRINT_REGISTER(iss, regs, name)\ + dev_dbg(iss->dev, "###CSI2 " #name "=0x%08x\n", \ + iss_reg_read(iss, regs, CSI2_##name)) + +static void csi2_print_status(struct iss_csi2_device *csi2) +{ + struct iss_device *iss = csi2->iss; + + if (!csi2->available) + return; + + dev_dbg(iss->dev, "-------------CSI2 Register dump-------------\n"); + + CSI2_PRINT_REGISTER(iss, csi2->regs1, SYSCONFIG); + CSI2_PRINT_REGISTER(iss, csi2->regs1, SYSSTATUS); + CSI2_PRINT_REGISTER(iss, csi2->regs1, IRQENABLE); + CSI2_PRINT_REGISTER(iss, csi2->regs1, IRQSTATUS); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTRL); + CSI2_PRINT_REGISTER(iss, csi2->regs1, DBG_H); + CSI2_PRINT_REGISTER(iss, csi2->regs1, COMPLEXIO_CFG); + CSI2_PRINT_REGISTER(iss, csi2->regs1, COMPLEXIO_IRQSTATUS); + CSI2_PRINT_REGISTER(iss, csi2->regs1, SHORT_PACKET); + CSI2_PRINT_REGISTER(iss, csi2->regs1, COMPLEXIO_IRQENABLE); + CSI2_PRINT_REGISTER(iss, csi2->regs1, DBG_P); + CSI2_PRINT_REGISTER(iss, csi2->regs1, TIMING); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_CTRL1(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_CTRL2(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_DAT_OFST(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_PING_ADDR(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_PONG_ADDR(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_IRQENABLE(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_IRQSTATUS(0)); + CSI2_PRINT_REGISTER(iss, csi2->regs1, CTX_CTRL3(0)); + + dev_dbg(iss->dev, "--------------------------------------------\n"); +} + +/* ----------------------------------------------------------------------------- + * Interrupt handling + */ + +/* + * csi2_isr_buffer - Does buffer handling at end-of-frame + * when writing to memory. + */ +static void csi2_isr_buffer(struct iss_csi2_device *csi2) +{ + struct iss_buffer *buffer; + + csi2_ctx_enable(csi2, 0, 0); + + buffer = omap4iss_video_buffer_next(&csi2->video_out); + + /* + * Let video queue operation restart engine if there is an underrun + * condition. + */ + if (buffer == NULL) + return; + + csi2_set_outaddr(csi2, buffer->iss_addr); + csi2_ctx_enable(csi2, 0, 1); +} + +static void csi2_isr_ctx(struct iss_csi2_device *csi2, + struct iss_csi2_ctx_cfg *ctx) +{ + unsigned int n = ctx->ctxnum; + u32 status; + + status = iss_reg_read(csi2->iss, csi2->regs1, CSI2_CTX_IRQSTATUS(n)); + iss_reg_write(csi2->iss, csi2->regs1, CSI2_CTX_IRQSTATUS(n), status); + + /* Propagate frame number */ + if (status & CSI2_CTX_IRQ_FS) { + struct iss_pipeline *pipe = + to_iss_pipeline(&csi2->subdev.entity); + if (pipe->do_propagation) + atomic_inc(&pipe->frame_number); + } + + if (!(status & CSI2_CTX_IRQ_FE)) + return; + + /* Skip interrupts until we reach the frame skip count. The CSI2 will be + * automatically disabled, as the frame skip count has been programmed + * in the CSI2_CTx_CTRL1::COUNT field, so reenable it. + * + * It would have been nice to rely on the FRAME_NUMBER interrupt instead + * but it turned out that the interrupt is only generated when the CSI2 + * writes to memory (the CSI2_CTx_CTRL1::COUNT field is decreased + * correctly and reaches 0 when data is forwarded to the video port only + * but no interrupt arrives). Maybe a CSI2 hardware bug. + */ + if (csi2->frame_skip) { + csi2->frame_skip--; + if (csi2->frame_skip == 0) { + ctx->format_id = csi2_ctx_map_format(csi2); + csi2_ctx_config(csi2, ctx); + csi2_ctx_enable(csi2, n, 1); + } + return; + } + + if (csi2->output & CSI2_OUTPUT_MEMORY) + csi2_isr_buffer(csi2); +} + +/* + * omap4iss_csi2_isr - CSI2 interrupt handling. + */ +void omap4iss_csi2_isr(struct iss_csi2_device *csi2) +{ + struct iss_pipeline *pipe = to_iss_pipeline(&csi2->subdev.entity); + u32 csi2_irqstatus, cpxio1_irqstatus; + struct iss_device *iss = csi2->iss; + + if (!csi2->available) + return; + + csi2_irqstatus = iss_reg_read(csi2->iss, csi2->regs1, CSI2_IRQSTATUS); + iss_reg_write(csi2->iss, csi2->regs1, CSI2_IRQSTATUS, csi2_irqstatus); + + /* Failure Cases */ + if (csi2_irqstatus & CSI2_IRQ_COMPLEXIO_ERR) { + cpxio1_irqstatus = iss_reg_read(csi2->iss, csi2->regs1, + CSI2_COMPLEXIO_IRQSTATUS); + iss_reg_write(csi2->iss, csi2->regs1, CSI2_COMPLEXIO_IRQSTATUS, + cpxio1_irqstatus); + dev_dbg(iss->dev, "CSI2: ComplexIO Error IRQ %x\n", + cpxio1_irqstatus); + pipe->error = true; + } + + if (csi2_irqstatus & (CSI2_IRQ_OCP_ERR | + CSI2_IRQ_SHORT_PACKET | + CSI2_IRQ_ECC_NO_CORRECTION | + CSI2_IRQ_COMPLEXIO_ERR | + CSI2_IRQ_FIFO_OVF)) { + dev_dbg(iss->dev, + "CSI2 Err: OCP:%d SHORT:%d ECC:%d CPXIO:%d OVF:%d\n", + csi2_irqstatus & CSI2_IRQ_OCP_ERR ? 1 : 0, + csi2_irqstatus & CSI2_IRQ_SHORT_PACKET ? 1 : 0, + csi2_irqstatus & CSI2_IRQ_ECC_NO_CORRECTION ? 1 : 0, + csi2_irqstatus & CSI2_IRQ_COMPLEXIO_ERR ? 1 : 0, + csi2_irqstatus & CSI2_IRQ_FIFO_OVF ? 1 : 0); + pipe->error = true; + } + + if (omap4iss_module_sync_is_stopping(&csi2->wait, &csi2->stopping)) + return; + + /* Successful cases */ + if (csi2_irqstatus & CSI2_IRQ_CONTEXT0) + csi2_isr_ctx(csi2, &csi2->contexts[0]); + + if (csi2_irqstatus & CSI2_IRQ_ECC_CORRECTION) + dev_dbg(iss->dev, "CSI2: ECC correction done\n"); +} + +/* ----------------------------------------------------------------------------- + * ISS video operations + */ + +/* + * csi2_queue - Queues the first buffer when using memory output + * @video: The video node + * @buffer: buffer to queue + */ +static int csi2_queue(struct iss_video *video, struct iss_buffer *buffer) +{ + struct iss_csi2_device *csi2 = container_of(video, + struct iss_csi2_device, video_out); + + csi2_set_outaddr(csi2, buffer->iss_addr); + + /* + * If streaming was enabled before there was a buffer queued + * or underrun happened in the ISR, the hardware was not enabled + * and DMA queue flag ISS_VIDEO_DMAQUEUE_UNDERRUN is still set. + * Enable it now. + */ + if (csi2->video_out.dmaqueue_flags & ISS_VIDEO_DMAQUEUE_UNDERRUN) { + /* Enable / disable context 0 and IRQs */ + csi2_if_enable(csi2, 1); + csi2_ctx_enable(csi2, 0, 1); + iss_video_dmaqueue_flags_clr(&csi2->video_out); + } + + return 0; +} + +static const struct iss_video_operations csi2_issvideo_ops = { + .queue = csi2_queue, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 subdev operations + */ + +static struct v4l2_mbus_framefmt * +__csi2_get_format(struct iss_csi2_device *csi2, struct v4l2_subdev_fh *fh, + unsigned int pad, enum v4l2_subdev_format_whence which) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY) + return v4l2_subdev_get_try_format(fh, pad); + else + return &csi2->formats[pad]; +} + +static void +csi2_try_format(struct iss_csi2_device *csi2, struct v4l2_subdev_fh *fh, + unsigned int pad, struct v4l2_mbus_framefmt *fmt, + enum v4l2_subdev_format_whence which) +{ + enum v4l2_mbus_pixelcode pixelcode; + struct v4l2_mbus_framefmt *format; + const struct iss_format_info *info; + unsigned int i; + + switch (pad) { + case CSI2_PAD_SINK: + /* Clamp the width and height to valid range (1-8191). */ + for (i = 0; i < ARRAY_SIZE(csi2_input_fmts); i++) { + if (fmt->code == csi2_input_fmts[i]) + break; + } + + /* If not found, use SGRBG10 as default */ + if (i >= ARRAY_SIZE(csi2_input_fmts)) + fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; + + fmt->width = clamp_t(u32, fmt->width, 1, 8191); + fmt->height = clamp_t(u32, fmt->height, 1, 8191); + break; + + case CSI2_PAD_SOURCE: + /* Source format same as sink format, except for DPCM + * compression. + */ + pixelcode = fmt->code; + format = __csi2_get_format(csi2, fh, CSI2_PAD_SINK, which); + memcpy(fmt, format, sizeof(*fmt)); + + /* + * Only Allow DPCM decompression, and check that the + * pattern is preserved + */ + info = omap4iss_video_format_info(fmt->code); + if (info->uncompressed == pixelcode) + fmt->code = pixelcode; + break; + } + + /* RGB, non-interlaced */ + fmt->colorspace = V4L2_COLORSPACE_SRGB; + fmt->field = V4L2_FIELD_NONE; +} + +/* + * csi2_enum_mbus_code - Handle pixel format enumeration + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @code : pointer to v4l2_subdev_mbus_code_enum structure + * return -EINVAL or zero on success + */ +static int csi2_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + const struct iss_format_info *info; + + if (code->pad == CSI2_PAD_SINK) { + if (code->index >= ARRAY_SIZE(csi2_input_fmts)) + return -EINVAL; + + code->code = csi2_input_fmts[code->index]; + } else { + format = __csi2_get_format(csi2, fh, CSI2_PAD_SINK, + V4L2_SUBDEV_FORMAT_TRY); + switch (code->index) { + case 0: + /* Passthrough sink pad code */ + code->code = format->code; + break; + case 1: + /* Uncompressed code */ + info = omap4iss_video_format_info(format->code); + if (info->uncompressed == format->code) + return -EINVAL; + + code->code = info->uncompressed; + break; + default: + return -EINVAL; + } + } + + return 0; +} + +static int csi2_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt format; + + if (fse->index != 0) + return -EINVAL; + + format.code = fse->code; + format.width = 1; + format.height = 1; + csi2_try_format(csi2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); + fse->min_width = format.width; + fse->min_height = format.height; + + if (format.code != fse->code) + return -EINVAL; + + format.code = fse->code; + format.width = -1; + format.height = -1; + csi2_try_format(csi2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); + fse->max_width = format.width; + fse->max_height = format.height; + + return 0; +} + +/* + * csi2_get_format - Handle get format by pads subdev method + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @fmt: pointer to v4l2 subdev format structure + * return -EINVAL or zero on success + */ +static int csi2_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __csi2_get_format(csi2, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + fmt->format = *format; + return 0; +} + +/* + * csi2_set_format - Handle set format by pads subdev method + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @fmt: pointer to v4l2 subdev format structure + * return -EINVAL or zero on success + */ +static int csi2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __csi2_get_format(csi2, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + csi2_try_format(csi2, fh, fmt->pad, &fmt->format, fmt->which); + *format = fmt->format; + + /* Propagate the format from sink to source */ + if (fmt->pad == CSI2_PAD_SINK) { + format = __csi2_get_format(csi2, fh, CSI2_PAD_SOURCE, + fmt->which); + *format = fmt->format; + csi2_try_format(csi2, fh, CSI2_PAD_SOURCE, format, fmt->which); + } + + return 0; +} + +static int csi2_link_validate(struct v4l2_subdev *sd, struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct iss_pipeline *pipe = to_iss_pipeline(&csi2->subdev.entity); + int rval; + + pipe->external = media_entity_to_v4l2_subdev(link->source->entity); + rval = omap4iss_get_external_info(pipe, link); + if (rval < 0) + return rval; + + return v4l2_subdev_link_validate_default(sd, link, source_fmt, + sink_fmt); +} + +/* + * csi2_init_formats - Initialize formats on all pads + * @sd: ISS CSI2 V4L2 subdevice + * @fh: V4L2 subdev file handle + * + * Initialize all pad formats with default values. If fh is not NULL, try + * formats are initialized on the file handle. Otherwise active formats are + * initialized on the device. + */ +static int csi2_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct v4l2_subdev_format format; + + memset(&format, 0, sizeof(format)); + format.pad = CSI2_PAD_SINK; + format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; + format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; + format.format.width = 4096; + format.format.height = 4096; + csi2_set_format(sd, fh, &format); + + return 0; +} + +/* + * csi2_set_stream - Enable/Disable streaming on the CSI2 module + * @sd: ISS CSI2 V4L2 subdevice + * @enable: ISS pipeline stream state + * + * Return 0 on success or a negative error code otherwise. + */ +static int csi2_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct iss_device *iss = csi2->iss; + struct iss_pipeline *pipe = to_iss_pipeline(&csi2->subdev.entity); + struct iss_video *video_out = &csi2->video_out; + int ret = 0; + + if (csi2->state == ISS_PIPELINE_STREAM_STOPPED) { + if (enable == ISS_PIPELINE_STREAM_STOPPED) + return 0; + + omap4iss_subclk_enable(iss, csi2->subclk); + } + + switch (enable) { + case ISS_PIPELINE_STREAM_CONTINUOUS: { + ret = omap4iss_csiphy_config(iss, sd); + if (ret < 0) + return ret; + + if (omap4iss_csiphy_acquire(csi2->phy) < 0) + return -ENODEV; + csi2->use_fs_irq = pipe->do_propagation; + csi2_configure(csi2); + csi2_print_status(csi2); + + /* + * When outputting to memory with no buffer available, let the + * buffer queue handler start the hardware. A DMA queue flag + * ISS_VIDEO_DMAQUEUE_QUEUED will be set as soon as there is + * a buffer available. + */ + if (csi2->output & CSI2_OUTPUT_MEMORY && + !(video_out->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_QUEUED)) + break; + /* Enable context 0 and IRQs */ + atomic_set(&csi2->stopping, 0); + csi2_ctx_enable(csi2, 0, 1); + csi2_if_enable(csi2, 1); + iss_video_dmaqueue_flags_clr(video_out); + break; + } + case ISS_PIPELINE_STREAM_STOPPED: + if (csi2->state == ISS_PIPELINE_STREAM_STOPPED) + return 0; + if (omap4iss_module_sync_idle(&sd->entity, &csi2->wait, + &csi2->stopping)) + ret = -ETIMEDOUT; + csi2_ctx_enable(csi2, 0, 0); + csi2_if_enable(csi2, 0); + csi2_irq_ctx_set(csi2, 0); + omap4iss_csiphy_release(csi2->phy); + omap4iss_subclk_disable(iss, csi2->subclk); + iss_video_dmaqueue_flags_clr(video_out); + break; + } + + csi2->state = enable; + return ret; +} + +/* subdev video operations */ +static const struct v4l2_subdev_video_ops csi2_video_ops = { + .s_stream = csi2_set_stream, +}; + +/* subdev pad operations */ +static const struct v4l2_subdev_pad_ops csi2_pad_ops = { + .enum_mbus_code = csi2_enum_mbus_code, + .enum_frame_size = csi2_enum_frame_size, + .get_fmt = csi2_get_format, + .set_fmt = csi2_set_format, + .link_validate = csi2_link_validate, +}; + +/* subdev operations */ +static const struct v4l2_subdev_ops csi2_ops = { + .video = &csi2_video_ops, + .pad = &csi2_pad_ops, +}; + +/* subdev internal operations */ +static const struct v4l2_subdev_internal_ops csi2_internal_ops = { + .open = csi2_init_formats, +}; + +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +/* + * csi2_link_setup - Setup CSI2 connections. + * @entity : Pointer to media entity structure + * @local : Pointer to local pad array + * @remote : Pointer to remote pad array + * @flags : Link flags + * return -EINVAL or zero on success + */ +static int csi2_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(sd); + struct iss_csi2_ctrl_cfg *ctrl = &csi2->ctrl; + + /* + * The ISS core doesn't support pipelines with multiple video outputs. + * Revisit this when it will be implemented, and return -EBUSY for now. + */ + + switch (local->index | media_entity_type(remote->entity)) { + case CSI2_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: + if (flags & MEDIA_LNK_FL_ENABLED) { + if (csi2->output & ~CSI2_OUTPUT_MEMORY) + return -EBUSY; + csi2->output |= CSI2_OUTPUT_MEMORY; + } else { + csi2->output &= ~CSI2_OUTPUT_MEMORY; + } + break; + + case CSI2_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV: + if (flags & MEDIA_LNK_FL_ENABLED) { + if (csi2->output & ~CSI2_OUTPUT_IPIPEIF) + return -EBUSY; + csi2->output |= CSI2_OUTPUT_IPIPEIF; + } else { + csi2->output &= ~CSI2_OUTPUT_IPIPEIF; + } + break; + + default: + /* Link from camera to CSI2 is fixed... */ + return -EINVAL; + } + + ctrl->vp_only_enable = csi2->output & CSI2_OUTPUT_MEMORY ? false : true; + ctrl->vp_clk_enable = !!(csi2->output & CSI2_OUTPUT_IPIPEIF); + + return 0; +} + +/* media operations */ +static const struct media_entity_operations csi2_media_ops = { + .link_setup = csi2_link_setup, + .link_validate = v4l2_subdev_link_validate, +}; + +void omap4iss_csi2_unregister_entities(struct iss_csi2_device *csi2) +{ + v4l2_device_unregister_subdev(&csi2->subdev); + omap4iss_video_unregister(&csi2->video_out); +} + +int omap4iss_csi2_register_entities(struct iss_csi2_device *csi2, + struct v4l2_device *vdev) +{ + int ret; + + /* Register the subdev and video nodes. */ + ret = v4l2_device_register_subdev(vdev, &csi2->subdev); + if (ret < 0) + goto error; + + ret = omap4iss_video_register(&csi2->video_out, vdev); + if (ret < 0) + goto error; + + return 0; + +error: + omap4iss_csi2_unregister_entities(csi2); + return ret; +} + +/* ----------------------------------------------------------------------------- + * ISS CSI2 initialisation and cleanup + */ + +/* + * csi2_init_entities - Initialize subdev and media entity. + * @csi2: Pointer to csi2 structure. + * return -ENOMEM or zero on success + */ +static int csi2_init_entities(struct iss_csi2_device *csi2, const char *subname) +{ + struct v4l2_subdev *sd = &csi2->subdev; + struct media_pad *pads = csi2->pads; + struct media_entity *me = &sd->entity; + int ret; + char name[V4L2_SUBDEV_NAME_SIZE]; + + v4l2_subdev_init(sd, &csi2_ops); + sd->internal_ops = &csi2_internal_ops; + sprintf(name, "CSI2%s", subname); + strlcpy(sd->name, "", sizeof(sd->name)); + sprintf(sd->name, "OMAP4 ISS %s", name); + + sd->grp_id = 1 << 16; /* group ID for iss subdevs */ + v4l2_set_subdevdata(sd, csi2); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + pads[CSI2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; + pads[CSI2_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + + me->ops = &csi2_media_ops; + ret = media_entity_init(me, CSI2_PADS_NUM, pads, 0); + if (ret < 0) + return ret; + + csi2_init_formats(sd, NULL); + + /* Video device node */ + csi2->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + csi2->video_out.ops = &csi2_issvideo_ops; + csi2->video_out.bpl_alignment = 32; + csi2->video_out.bpl_zero_padding = 1; + csi2->video_out.bpl_max = 0x1ffe0; + csi2->video_out.iss = csi2->iss; + csi2->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; + + ret = omap4iss_video_init(&csi2->video_out, name); + if (ret < 0) + goto error_video; + + /* Connect the CSI2 subdev to the video node. */ + ret = media_entity_create_link(&csi2->subdev.entity, CSI2_PAD_SOURCE, + &csi2->video_out.video.entity, 0, 0); + if (ret < 0) + goto error_link; + + return 0; + +error_link: + omap4iss_video_cleanup(&csi2->video_out); +error_video: + media_entity_cleanup(&csi2->subdev.entity); + return ret; +} + +/* + * omap4iss_csi2_init - Routine for module driver init + */ +int omap4iss_csi2_init(struct iss_device *iss) +{ + struct iss_csi2_device *csi2a = &iss->csi2a; + struct iss_csi2_device *csi2b = &iss->csi2b; + int ret; + + csi2a->iss = iss; + csi2a->available = 1; + csi2a->regs1 = OMAP4_ISS_MEM_CSI2_A_REGS1; + csi2a->phy = &iss->csiphy1; + csi2a->subclk = OMAP4_ISS_SUBCLK_CSI2_A; + csi2a->state = ISS_PIPELINE_STREAM_STOPPED; + init_waitqueue_head(&csi2a->wait); + + ret = csi2_init_entities(csi2a, "a"); + if (ret < 0) + return ret; + + csi2b->iss = iss; + csi2b->available = 1; + csi2b->regs1 = OMAP4_ISS_MEM_CSI2_B_REGS1; + csi2b->phy = &iss->csiphy2; + csi2b->subclk = OMAP4_ISS_SUBCLK_CSI2_B; + csi2b->state = ISS_PIPELINE_STREAM_STOPPED; + init_waitqueue_head(&csi2b->wait); + + ret = csi2_init_entities(csi2b, "b"); + if (ret < 0) + return ret; + + return 0; +} + +/* + * omap4iss_csi2_cleanup - Routine for module driver cleanup + */ +void omap4iss_csi2_cleanup(struct iss_device *iss) +{ + struct iss_csi2_device *csi2a = &iss->csi2a; + struct iss_csi2_device *csi2b = &iss->csi2b; + + omap4iss_video_cleanup(&csi2a->video_out); + media_entity_cleanup(&csi2a->subdev.entity); + + omap4iss_video_cleanup(&csi2b->video_out); + media_entity_cleanup(&csi2b->subdev.entity); +} diff --git a/drivers/staging/media/omap4iss/iss_csi2.h b/drivers/staging/media/omap4iss/iss_csi2.h new file mode 100644 index 000000000000..971aa7b08013 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_csi2.h @@ -0,0 +1,158 @@ +/* + * TI OMAP4 ISS V4L2 Driver - CSI2 module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_CSI2_H +#define OMAP4_ISS_CSI2_H + +#include <linux/types.h> +#include <linux/videodev2.h> + +#include "iss_video.h" + +struct iss_csiphy; + +/* This is not an exhaustive list */ +enum iss_csi2_pix_formats { + CSI2_PIX_FMT_OTHERS = 0, + CSI2_PIX_FMT_YUV422_8BIT = 0x1e, + CSI2_PIX_FMT_YUV422_8BIT_VP = 0x9e, + CSI2_PIX_FMT_YUV422_8BIT_VP16 = 0xde, + CSI2_PIX_FMT_RAW10_EXP16 = 0xab, + CSI2_PIX_FMT_RAW10_EXP16_VP = 0x12f, + CSI2_PIX_FMT_RAW8 = 0x2a, + CSI2_PIX_FMT_RAW8_DPCM10_EXP16 = 0x2aa, + CSI2_PIX_FMT_RAW8_DPCM10_VP = 0x32a, + CSI2_PIX_FMT_RAW8_VP = 0x12a, + CSI2_USERDEF_8BIT_DATA1_DPCM10_VP = 0x340, + CSI2_USERDEF_8BIT_DATA1_DPCM10 = 0x2c0, + CSI2_USERDEF_8BIT_DATA1 = 0x40, +}; + +enum iss_csi2_irqevents { + OCP_ERR_IRQ = 0x4000, + SHORT_PACKET_IRQ = 0x2000, + ECC_CORRECTION_IRQ = 0x1000, + ECC_NO_CORRECTION_IRQ = 0x800, + COMPLEXIO2_ERR_IRQ = 0x400, + COMPLEXIO1_ERR_IRQ = 0x200, + FIFO_OVF_IRQ = 0x100, + CONTEXT7 = 0x80, + CONTEXT6 = 0x40, + CONTEXT5 = 0x20, + CONTEXT4 = 0x10, + CONTEXT3 = 0x8, + CONTEXT2 = 0x4, + CONTEXT1 = 0x2, + CONTEXT0 = 0x1, +}; + +enum iss_csi2_ctx_irqevents { + CTX_ECC_CORRECTION = 0x100, + CTX_LINE_NUMBER = 0x80, + CTX_FRAME_NUMBER = 0x40, + CTX_CS = 0x20, + CTX_LE = 0x8, + CTX_LS = 0x4, + CTX_FE = 0x2, + CTX_FS = 0x1, +}; + +enum iss_csi2_frame_mode { + ISS_CSI2_FRAME_IMMEDIATE, + ISS_CSI2_FRAME_AFTERFEC, +}; + +#define ISS_CSI2_MAX_CTX_NUM 7 + +struct iss_csi2_ctx_cfg { + u8 ctxnum; /* context number 0 - 7 */ + u8 dpcm_decompress; + + /* Fields in CSI2_CTx_CTRL2 - locked by CSI2_CTx_CTRL1.CTX_EN */ + u8 virtual_id; + u16 format_id; /* as in CSI2_CTx_CTRL2[9:0] */ + u8 dpcm_predictor; /* 1: simple, 0: advanced */ + + /* Fields in CSI2_CTx_CTRL1/3 - Shadowed */ + u16 alpha; + u16 data_offset; + u32 ping_addr; + u32 pong_addr; + u8 eof_enabled; + u8 eol_enabled; + u8 checksum_enabled; + u8 enabled; +}; + +struct iss_csi2_timing_cfg { + u8 ionum; /* IO1 or IO2 as in CSI2_TIMING */ + unsigned force_rx_mode:1; + unsigned stop_state_16x:1; + unsigned stop_state_4x:1; + u16 stop_state_counter; +}; + +struct iss_csi2_ctrl_cfg { + bool vp_clk_enable; + bool vp_only_enable; + u8 vp_out_ctrl; + enum iss_csi2_frame_mode frame_mode; + bool ecc_enable; + bool if_enable; +}; + +#define CSI2_PAD_SINK 0 +#define CSI2_PAD_SOURCE 1 +#define CSI2_PADS_NUM 2 + +#define CSI2_OUTPUT_IPIPEIF (1 << 0) +#define CSI2_OUTPUT_MEMORY (1 << 1) + +struct iss_csi2_device { + struct v4l2_subdev subdev; + struct media_pad pads[CSI2_PADS_NUM]; + struct v4l2_mbus_framefmt formats[CSI2_PADS_NUM]; + + struct iss_video video_out; + struct iss_device *iss; + + u8 available; /* Is the IP present on the silicon? */ + + /* memory resources, as defined in enum iss_mem_resources */ + unsigned int regs1; + unsigned int regs2; + /* ISP subclock, as defined in enum iss_isp_subclk_resource */ + unsigned int subclk; + + u32 output; /* output to IPIPEIF, memory or both? */ + bool dpcm_decompress; + unsigned int frame_skip; + bool use_fs_irq; + + struct iss_csiphy *phy; + struct iss_csi2_ctx_cfg contexts[ISS_CSI2_MAX_CTX_NUM + 1]; + struct iss_csi2_timing_cfg timing[2]; + struct iss_csi2_ctrl_cfg ctrl; + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +void omap4iss_csi2_isr(struct iss_csi2_device *csi2); +int omap4iss_csi2_reset(struct iss_csi2_device *csi2); +int omap4iss_csi2_init(struct iss_device *iss); +void omap4iss_csi2_cleanup(struct iss_device *iss); +void omap4iss_csi2_unregister_entities(struct iss_csi2_device *csi2); +int omap4iss_csi2_register_entities(struct iss_csi2_device *csi2, + struct v4l2_device *vdev); +#endif /* OMAP4_ISS_CSI2_H */ diff --git a/drivers/staging/media/omap4iss/iss_csiphy.c b/drivers/staging/media/omap4iss/iss_csiphy.c new file mode 100644 index 000000000000..7c3d55d811ef --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_csiphy.c @@ -0,0 +1,279 @@ +/* + * TI OMAP4 ISS V4L2 Driver - CSI PHY module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/delay.h> +#include <linux/device.h> + +#include "../../../../arch/arm/mach-omap2/control.h" + +#include "iss.h" +#include "iss_regs.h" +#include "iss_csiphy.h" + +/* + * csiphy_lanes_config - Configuration of CSIPHY lanes. + * + * Updates HW configuration. + * Called with phy->mutex taken. + */ +static void csiphy_lanes_config(struct iss_csiphy *phy) +{ + unsigned int i; + u32 reg; + + reg = iss_reg_read(phy->iss, phy->cfg_regs, CSI2_COMPLEXIO_CFG); + + for (i = 0; i < phy->max_data_lanes; i++) { + reg &= ~(CSI2_COMPLEXIO_CFG_DATA_POL(i + 1) | + CSI2_COMPLEXIO_CFG_DATA_POSITION_MASK(i + 1)); + reg |= (phy->lanes.data[i].pol ? + CSI2_COMPLEXIO_CFG_DATA_POL(i + 1) : 0); + reg |= (phy->lanes.data[i].pos << + CSI2_COMPLEXIO_CFG_DATA_POSITION_SHIFT(i + 1)); + } + + reg &= ~(CSI2_COMPLEXIO_CFG_CLOCK_POL | + CSI2_COMPLEXIO_CFG_CLOCK_POSITION_MASK); + reg |= phy->lanes.clk.pol ? CSI2_COMPLEXIO_CFG_CLOCK_POL : 0; + reg |= phy->lanes.clk.pos << CSI2_COMPLEXIO_CFG_CLOCK_POSITION_SHIFT; + + iss_reg_write(phy->iss, phy->cfg_regs, CSI2_COMPLEXIO_CFG, reg); +} + +/* + * csiphy_set_power + * @power: Power state to be set. + * + * Returns 0 if successful, or -EBUSY if the retry count is exceeded. + */ +static int csiphy_set_power(struct iss_csiphy *phy, u32 power) +{ + u32 reg; + u8 retry_count; + + iss_reg_update(phy->iss, phy->cfg_regs, CSI2_COMPLEXIO_CFG, + CSI2_COMPLEXIO_CFG_PWD_CMD_MASK, + power | CSI2_COMPLEXIO_CFG_PWR_AUTO); + + retry_count = 0; + do { + udelay(1); + reg = iss_reg_read(phy->iss, phy->cfg_regs, CSI2_COMPLEXIO_CFG) + & CSI2_COMPLEXIO_CFG_PWD_STATUS_MASK; + + if (reg != power >> 2) + retry_count++; + + } while ((reg != power >> 2) && (retry_count < 250)); + + if (retry_count == 250) { + dev_err(phy->iss->dev, "CSI2 CIO set power failed!\n"); + return -EBUSY; + } + + return 0; +} + +/* + * csiphy_dphy_config - Configure CSI2 D-PHY parameters. + * + * Called with phy->mutex taken. + */ +static void csiphy_dphy_config(struct iss_csiphy *phy) +{ + u32 reg; + + /* Set up REGISTER0 */ + reg = phy->dphy.ths_term << REGISTER0_THS_TERM_SHIFT; + reg |= phy->dphy.ths_settle << REGISTER0_THS_SETTLE_SHIFT; + + iss_reg_write(phy->iss, phy->phy_regs, REGISTER0, reg); + + /* Set up REGISTER1 */ + reg = phy->dphy.tclk_term << REGISTER1_TCLK_TERM_SHIFT; + reg |= phy->dphy.tclk_miss << REGISTER1_CTRLCLK_DIV_FACTOR_SHIFT; + reg |= phy->dphy.tclk_settle << REGISTER1_TCLK_SETTLE_SHIFT; + reg |= 0xb8 << REGISTER1_DPHY_HS_SYNC_PATTERN_SHIFT; + + iss_reg_write(phy->iss, phy->phy_regs, REGISTER1, reg); +} + +/* + * TCLK values are OK at their reset values + */ +#define TCLK_TERM 0 +#define TCLK_MISS 1 +#define TCLK_SETTLE 14 + +int omap4iss_csiphy_config(struct iss_device *iss, + struct v4l2_subdev *csi2_subdev) +{ + struct iss_csi2_device *csi2 = v4l2_get_subdevdata(csi2_subdev); + struct iss_pipeline *pipe = to_iss_pipeline(&csi2_subdev->entity); + struct iss_v4l2_subdevs_group *subdevs = pipe->external->host_priv; + struct iss_csiphy_dphy_cfg csi2phy; + int csi2_ddrclk_khz; + struct iss_csiphy_lanes_cfg *lanes; + unsigned int used_lanes = 0; + u32 cam_rx_ctrl; + unsigned int i; + + lanes = &subdevs->bus.csi2.lanecfg; + + /* + * SCM.CONTROL_CAMERA_RX + * - bit [31] : CSIPHY2 lane 2 enable (4460+ only) + * - bit [30:29] : CSIPHY2 per-lane enable (1 to 0) + * - bit [28:24] : CSIPHY1 per-lane enable (4 to 0) + * - bit [21] : CSIPHY2 CTRLCLK enable + * - bit [20:19] : CSIPHY2 config: 00 d-phy, 01/10 ccp2 + * - bit [18] : CSIPHY1 CTRLCLK enable + * - bit [17:16] : CSIPHY1 config: 00 d-phy, 01/10 ccp2 + */ + cam_rx_ctrl = omap4_ctrl_pad_readl( + OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_CAMERA_RX); + + + if (subdevs->interface == ISS_INTERFACE_CSI2A_PHY1) { + cam_rx_ctrl &= ~(OMAP4_CAMERARX_CSI21_LANEENABLE_MASK | + OMAP4_CAMERARX_CSI21_CAMMODE_MASK); + /* NOTE: Leave CSIPHY1 config to 0x0: D-PHY mode */ + /* Enable all lanes for now */ + cam_rx_ctrl |= + 0x1f << OMAP4_CAMERARX_CSI21_LANEENABLE_SHIFT; + /* Enable CTRLCLK */ + cam_rx_ctrl |= OMAP4_CAMERARX_CSI21_CTRLCLKEN_MASK; + } + + if (subdevs->interface == ISS_INTERFACE_CSI2B_PHY2) { + cam_rx_ctrl &= ~(OMAP4_CAMERARX_CSI22_LANEENABLE_MASK | + OMAP4_CAMERARX_CSI22_CAMMODE_MASK); + /* NOTE: Leave CSIPHY2 config to 0x0: D-PHY mode */ + /* Enable all lanes for now */ + cam_rx_ctrl |= + 0x3 << OMAP4_CAMERARX_CSI22_LANEENABLE_SHIFT; + /* Enable CTRLCLK */ + cam_rx_ctrl |= OMAP4_CAMERARX_CSI22_CTRLCLKEN_MASK; + } + + omap4_ctrl_pad_writel(cam_rx_ctrl, + OMAP4_CTRL_MODULE_PAD_CORE_CONTROL_CAMERA_RX); + + /* Reset used lane count */ + csi2->phy->used_data_lanes = 0; + + /* Clock and data lanes verification */ + for (i = 0; i < csi2->phy->max_data_lanes; i++) { + if (lanes->data[i].pos == 0) + continue; + + if (lanes->data[i].pol > 1 || + lanes->data[i].pos > (csi2->phy->max_data_lanes + 1)) + return -EINVAL; + + if (used_lanes & (1 << lanes->data[i].pos)) + return -EINVAL; + + used_lanes |= 1 << lanes->data[i].pos; + csi2->phy->used_data_lanes++; + } + + if (lanes->clk.pol > 1 || + lanes->clk.pos > (csi2->phy->max_data_lanes + 1)) + return -EINVAL; + + if (lanes->clk.pos == 0 || used_lanes & (1 << lanes->clk.pos)) + return -EINVAL; + + csi2_ddrclk_khz = pipe->external_rate / 1000 + / (2 * csi2->phy->used_data_lanes) + * pipe->external_bpp; + + /* + * THS_TERM: Programmed value = ceil(12.5 ns/DDRClk period) - 1. + * THS_SETTLE: Programmed value = ceil(90 ns/DDRClk period) + 3. + */ + csi2phy.ths_term = DIV_ROUND_UP(25 * csi2_ddrclk_khz, 2000000) - 1; + csi2phy.ths_settle = DIV_ROUND_UP(90 * csi2_ddrclk_khz, 1000000) + 3; + csi2phy.tclk_term = TCLK_TERM; + csi2phy.tclk_miss = TCLK_MISS; + csi2phy.tclk_settle = TCLK_SETTLE; + + mutex_lock(&csi2->phy->mutex); + csi2->phy->dphy = csi2phy; + csi2->phy->lanes = *lanes; + mutex_unlock(&csi2->phy->mutex); + + return 0; +} + +int omap4iss_csiphy_acquire(struct iss_csiphy *phy) +{ + int rval; + + mutex_lock(&phy->mutex); + + rval = omap4iss_csi2_reset(phy->csi2); + if (rval) + goto done; + + csiphy_dphy_config(phy); + csiphy_lanes_config(phy); + + rval = csiphy_set_power(phy, CSI2_COMPLEXIO_CFG_PWD_CMD_ON); + if (rval) + goto done; + + phy->phy_in_use = 1; + +done: + mutex_unlock(&phy->mutex); + return rval; +} + +void omap4iss_csiphy_release(struct iss_csiphy *phy) +{ + mutex_lock(&phy->mutex); + if (phy->phy_in_use) { + csiphy_set_power(phy, CSI2_COMPLEXIO_CFG_PWD_CMD_OFF); + phy->phy_in_use = 0; + } + mutex_unlock(&phy->mutex); +} + +/* + * omap4iss_csiphy_init - Initialize the CSI PHY frontends + */ +int omap4iss_csiphy_init(struct iss_device *iss) +{ + struct iss_csiphy *phy1 = &iss->csiphy1; + struct iss_csiphy *phy2 = &iss->csiphy2; + + phy1->iss = iss; + phy1->csi2 = &iss->csi2a; + phy1->max_data_lanes = ISS_CSIPHY1_NUM_DATA_LANES; + phy1->used_data_lanes = 0; + phy1->cfg_regs = OMAP4_ISS_MEM_CSI2_A_REGS1; + phy1->phy_regs = OMAP4_ISS_MEM_CAMERARX_CORE1; + mutex_init(&phy1->mutex); + + phy2->iss = iss; + phy2->csi2 = &iss->csi2b; + phy2->max_data_lanes = ISS_CSIPHY2_NUM_DATA_LANES; + phy2->used_data_lanes = 0; + phy2->cfg_regs = OMAP4_ISS_MEM_CSI2_B_REGS1; + phy2->phy_regs = OMAP4_ISS_MEM_CAMERARX_CORE2; + mutex_init(&phy2->mutex); + + return 0; +} diff --git a/drivers/staging/media/omap4iss/iss_csiphy.h b/drivers/staging/media/omap4iss/iss_csiphy.h new file mode 100644 index 000000000000..e9ca43955654 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_csiphy.h @@ -0,0 +1,51 @@ +/* + * TI OMAP4 ISS V4L2 Driver - CSI PHY module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_CSI_PHY_H +#define OMAP4_ISS_CSI_PHY_H + +#include <media/omap4iss.h> + +struct iss_csi2_device; + +struct iss_csiphy_dphy_cfg { + u8 ths_term; + u8 ths_settle; + u8 tclk_term; + unsigned tclk_miss:1; + u8 tclk_settle; +}; + +struct iss_csiphy { + struct iss_device *iss; + struct mutex mutex; /* serialize csiphy configuration */ + u8 phy_in_use; + struct iss_csi2_device *csi2; + + /* memory resources, as defined in enum iss_mem_resources */ + unsigned int cfg_regs; + unsigned int phy_regs; + + u8 max_data_lanes; /* number of CSI2 Data Lanes supported */ + u8 used_data_lanes; /* number of CSI2 Data Lanes used */ + struct iss_csiphy_lanes_cfg lanes; + struct iss_csiphy_dphy_cfg dphy; +}; + +int omap4iss_csiphy_config(struct iss_device *iss, + struct v4l2_subdev *csi2_subdev); +int omap4iss_csiphy_acquire(struct iss_csiphy *phy); +void omap4iss_csiphy_release(struct iss_csiphy *phy); +int omap4iss_csiphy_init(struct iss_device *iss); + +#endif /* OMAP4_ISS_CSI_PHY_H */ diff --git a/drivers/staging/media/omap4iss/iss_ipipe.c b/drivers/staging/media/omap4iss/iss_ipipe.c new file mode 100644 index 000000000000..6eaafc5e2eea --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_ipipe.c @@ -0,0 +1,570 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/mm.h> +#include <linux/sched.h> + +#include "iss.h" +#include "iss_regs.h" +#include "iss_ipipe.h" + +static struct v4l2_mbus_framefmt * +__ipipe_get_format(struct iss_ipipe_device *ipipe, struct v4l2_subdev_fh *fh, + unsigned int pad, enum v4l2_subdev_format_whence which); + +static const unsigned int ipipe_fmts[] = { + V4L2_MBUS_FMT_SGRBG10_1X10, + V4L2_MBUS_FMT_SRGGB10_1X10, + V4L2_MBUS_FMT_SBGGR10_1X10, + V4L2_MBUS_FMT_SGBRG10_1X10, +}; + +/* + * ipipe_print_status - Print current IPIPE Module register values. + * @ipipe: Pointer to ISS ISP IPIPE device. + * + * Also prints other debug information stored in the IPIPE module. + */ +#define IPIPE_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###IPIPE " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_##name)) + +static void ipipe_print_status(struct iss_ipipe_device *ipipe) +{ + struct iss_device *iss = to_iss_device(ipipe); + + dev_dbg(iss->dev, "-------------IPIPE Register dump-------------\n"); + + IPIPE_PRINT_REGISTER(iss, SRC_EN); + IPIPE_PRINT_REGISTER(iss, SRC_MODE); + IPIPE_PRINT_REGISTER(iss, SRC_FMT); + IPIPE_PRINT_REGISTER(iss, SRC_COL); + IPIPE_PRINT_REGISTER(iss, SRC_VPS); + IPIPE_PRINT_REGISTER(iss, SRC_VSZ); + IPIPE_PRINT_REGISTER(iss, SRC_HPS); + IPIPE_PRINT_REGISTER(iss, SRC_HSZ); + IPIPE_PRINT_REGISTER(iss, GCK_MMR); + IPIPE_PRINT_REGISTER(iss, YUV_PHS); + + dev_dbg(iss->dev, "-----------------------------------------------\n"); +} + +/* + * ipipe_enable - Enable/Disable IPIPE. + * @enable: enable flag + * + */ +static void ipipe_enable(struct iss_ipipe_device *ipipe, u8 enable) +{ + struct iss_device *iss = to_iss_device(ipipe); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_EN, + IPIPE_SRC_EN_EN, enable ? IPIPE_SRC_EN_EN : 0); +} + +/* ----------------------------------------------------------------------------- + * Format- and pipeline-related configuration helpers + */ + +static void ipipe_configure(struct iss_ipipe_device *ipipe) +{ + struct iss_device *iss = to_iss_device(ipipe); + struct v4l2_mbus_framefmt *format; + + /* IPIPE_PAD_SINK */ + format = &ipipe->formats[IPIPE_PAD_SINK]; + + /* NOTE: Currently just supporting pipeline IN: RGB, OUT: YUV422 */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_FMT, + IPIPE_SRC_FMT_RAW2YUV); + + /* Enable YUV444 -> YUV422 conversion */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_YUV_PHS, + IPIPE_YUV_PHS_LPF); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_VPS, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_HPS, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_VSZ, + (format->height - 2) & IPIPE_SRC_VSZ_MASK); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_HSZ, + (format->width - 1) & IPIPE_SRC_HSZ_MASK); + + /* Ignore ipipeif_wrt signal, and operate on-the-fly. */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_MODE, + IPIPE_SRC_MODE_WRT | IPIPE_SRC_MODE_OST); + + /* HACK: Values tuned for Ducati SW (OV) */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_SRC_COL, + IPIPE_SRC_COL_EE_B | IPIPE_SRC_COL_EO_GB | + IPIPE_SRC_COL_OE_GR | IPIPE_SRC_COL_OO_R); + + /* IPIPE_PAD_SOURCE_VP */ + format = &ipipe->formats[IPIPE_PAD_SOURCE_VP]; + /* Do nothing? */ +} + +/* ----------------------------------------------------------------------------- + * V4L2 subdev operations + */ + +/* + * ipipe_set_stream - Enable/Disable streaming on the IPIPE module + * @sd: ISP IPIPE V4L2 subdevice + * @enable: Enable/disable stream + */ +static int ipipe_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct iss_ipipe_device *ipipe = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(ipipe); + int ret = 0; + + if (ipipe->state == ISS_PIPELINE_STREAM_STOPPED) { + if (enable == ISS_PIPELINE_STREAM_STOPPED) + return 0; + + omap4iss_isp_subclk_enable(iss, OMAP4_ISS_ISP_SUBCLK_IPIPE); + + /* Enable clk_arm_g0 */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_GCK_MMR, + IPIPE_GCK_MMR_REG); + + /* Enable clk_pix_g[3:0] */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_IPIPE, IPIPE_GCK_PIX, + IPIPE_GCK_PIX_G3 | IPIPE_GCK_PIX_G2 | + IPIPE_GCK_PIX_G1 | IPIPE_GCK_PIX_G0); + } + + switch (enable) { + case ISS_PIPELINE_STREAM_CONTINUOUS: + + ipipe_configure(ipipe); + ipipe_print_status(ipipe); + + atomic_set(&ipipe->stopping, 0); + ipipe_enable(ipipe, 1); + break; + + case ISS_PIPELINE_STREAM_STOPPED: + if (ipipe->state == ISS_PIPELINE_STREAM_STOPPED) + return 0; + if (omap4iss_module_sync_idle(&sd->entity, &ipipe->wait, + &ipipe->stopping)) + ret = -ETIMEDOUT; + + ipipe_enable(ipipe, 0); + omap4iss_isp_subclk_disable(iss, OMAP4_ISS_ISP_SUBCLK_IPIPE); + break; + } + + ipipe->state = enable; + return ret; +} + +static struct v4l2_mbus_framefmt * +__ipipe_get_format(struct iss_ipipe_device *ipipe, struct v4l2_subdev_fh *fh, + unsigned int pad, enum v4l2_subdev_format_whence which) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY) + return v4l2_subdev_get_try_format(fh, pad); + else + return &ipipe->formats[pad]; +} + +/* + * ipipe_try_format - Try video format on a pad + * @ipipe: ISS IPIPE device + * @fh : V4L2 subdev file handle + * @pad: Pad number + * @fmt: Format + */ +static void +ipipe_try_format(struct iss_ipipe_device *ipipe, struct v4l2_subdev_fh *fh, + unsigned int pad, struct v4l2_mbus_framefmt *fmt, + enum v4l2_subdev_format_whence which) +{ + struct v4l2_mbus_framefmt *format; + unsigned int width = fmt->width; + unsigned int height = fmt->height; + unsigned int i; + + switch (pad) { + case IPIPE_PAD_SINK: + for (i = 0; i < ARRAY_SIZE(ipipe_fmts); i++) { + if (fmt->code == ipipe_fmts[i]) + break; + } + + /* If not found, use SGRBG10 as default */ + if (i >= ARRAY_SIZE(ipipe_fmts)) + fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; + + /* Clamp the input size. */ + fmt->width = clamp_t(u32, width, 1, 8192); + fmt->height = clamp_t(u32, height, 1, 8192); + fmt->colorspace = V4L2_COLORSPACE_SRGB; + break; + + case IPIPE_PAD_SOURCE_VP: + format = __ipipe_get_format(ipipe, fh, IPIPE_PAD_SINK, which); + memcpy(fmt, format, sizeof(*fmt)); + + fmt->code = V4L2_MBUS_FMT_UYVY8_1X16; + fmt->width = clamp_t(u32, width, 32, fmt->width); + fmt->height = clamp_t(u32, height, 32, fmt->height); + fmt->colorspace = V4L2_COLORSPACE_JPEG; + break; + } + + fmt->field = V4L2_FIELD_NONE; +} + +/* + * ipipe_enum_mbus_code - Handle pixel format enumeration + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @code : pointer to v4l2_subdev_mbus_code_enum structure + * return -EINVAL or zero on success + */ +static int ipipe_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + switch (code->pad) { + case IPIPE_PAD_SINK: + if (code->index >= ARRAY_SIZE(ipipe_fmts)) + return -EINVAL; + + code->code = ipipe_fmts[code->index]; + break; + + case IPIPE_PAD_SOURCE_VP: + /* FIXME: Forced format conversion inside IPIPE ? */ + if (code->index != 0) + return -EINVAL; + + code->code = V4L2_MBUS_FMT_UYVY8_1X16; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int ipipe_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct iss_ipipe_device *ipipe = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt format; + + if (fse->index != 0) + return -EINVAL; + + format.code = fse->code; + format.width = 1; + format.height = 1; + ipipe_try_format(ipipe, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); + fse->min_width = format.width; + fse->min_height = format.height; + + if (format.code != fse->code) + return -EINVAL; + + format.code = fse->code; + format.width = -1; + format.height = -1; + ipipe_try_format(ipipe, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY); + fse->max_width = format.width; + fse->max_height = format.height; + + return 0; +} + +/* + * ipipe_get_format - Retrieve the video format on a pad + * @sd : ISP IPIPE V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int ipipe_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_ipipe_device *ipipe = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __ipipe_get_format(ipipe, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + fmt->format = *format; + return 0; +} + +/* + * ipipe_set_format - Set the video format on a pad + * @sd : ISP IPIPE V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int ipipe_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_ipipe_device *ipipe = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __ipipe_get_format(ipipe, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + ipipe_try_format(ipipe, fh, fmt->pad, &fmt->format, fmt->which); + *format = fmt->format; + + /* Propagate the format from sink to source */ + if (fmt->pad == IPIPE_PAD_SINK) { + format = __ipipe_get_format(ipipe, fh, IPIPE_PAD_SOURCE_VP, + fmt->which); + *format = fmt->format; + ipipe_try_format(ipipe, fh, IPIPE_PAD_SOURCE_VP, format, + fmt->which); + } + + return 0; +} + +static int ipipe_link_validate(struct v4l2_subdev *sd, struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt) +{ + /* Check if the two ends match */ + if (source_fmt->format.width != sink_fmt->format.width || + source_fmt->format.height != sink_fmt->format.height) + return -EPIPE; + + if (source_fmt->format.code != sink_fmt->format.code) + return -EPIPE; + + return 0; +} + +/* + * ipipe_init_formats - Initialize formats on all pads + * @sd: ISP IPIPE V4L2 subdevice + * @fh: V4L2 subdev file handle + * + * Initialize all pad formats with default values. If fh is not NULL, try + * formats are initialized on the file handle. Otherwise active formats are + * initialized on the device. + */ +static int ipipe_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct v4l2_subdev_format format; + + memset(&format, 0, sizeof(format)); + format.pad = IPIPE_PAD_SINK; + format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; + format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; + format.format.width = 4096; + format.format.height = 4096; + ipipe_set_format(sd, fh, &format); + + return 0; +} + +/* V4L2 subdev video operations */ +static const struct v4l2_subdev_video_ops ipipe_v4l2_video_ops = { + .s_stream = ipipe_set_stream, +}; + +/* V4L2 subdev pad operations */ +static const struct v4l2_subdev_pad_ops ipipe_v4l2_pad_ops = { + .enum_mbus_code = ipipe_enum_mbus_code, + .enum_frame_size = ipipe_enum_frame_size, + .get_fmt = ipipe_get_format, + .set_fmt = ipipe_set_format, + .link_validate = ipipe_link_validate, +}; + +/* V4L2 subdev operations */ +static const struct v4l2_subdev_ops ipipe_v4l2_ops = { + .video = &ipipe_v4l2_video_ops, + .pad = &ipipe_v4l2_pad_ops, +}; + +/* V4L2 subdev internal operations */ +static const struct v4l2_subdev_internal_ops ipipe_v4l2_internal_ops = { + .open = ipipe_init_formats, +}; + +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +/* + * ipipe_link_setup - Setup IPIPE connections + * @entity: IPIPE media entity + * @local: Pad at the local end of the link + * @remote: Pad at the remote end of the link + * @flags: Link flags + * + * return -EINVAL or zero on success + */ +static int ipipe_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct iss_ipipe_device *ipipe = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(ipipe); + + switch (local->index | media_entity_type(remote->entity)) { + case IPIPE_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: + /* Read from IPIPEIF. */ + if (!(flags & MEDIA_LNK_FL_ENABLED)) { + ipipe->input = IPIPE_INPUT_NONE; + break; + } + + if (ipipe->input != IPIPE_INPUT_NONE) + return -EBUSY; + + if (remote->entity == &iss->ipipeif.subdev.entity) + ipipe->input = IPIPE_INPUT_IPIPEIF; + + break; + + case IPIPE_PAD_SOURCE_VP | MEDIA_ENT_T_V4L2_SUBDEV: + /* Send to RESIZER */ + if (flags & MEDIA_LNK_FL_ENABLED) { + if (ipipe->output & ~IPIPE_OUTPUT_VP) + return -EBUSY; + ipipe->output |= IPIPE_OUTPUT_VP; + } else { + ipipe->output &= ~IPIPE_OUTPUT_VP; + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* media operations */ +static const struct media_entity_operations ipipe_media_ops = { + .link_setup = ipipe_link_setup, + .link_validate = v4l2_subdev_link_validate, +}; + +/* + * ipipe_init_entities - Initialize V4L2 subdev and media entity + * @ipipe: ISS ISP IPIPE module + * + * Return 0 on success and a negative error code on failure. + */ +static int ipipe_init_entities(struct iss_ipipe_device *ipipe) +{ + struct v4l2_subdev *sd = &ipipe->subdev; + struct media_pad *pads = ipipe->pads; + struct media_entity *me = &sd->entity; + int ret; + + ipipe->input = IPIPE_INPUT_NONE; + + v4l2_subdev_init(sd, &ipipe_v4l2_ops); + sd->internal_ops = &ipipe_v4l2_internal_ops; + strlcpy(sd->name, "OMAP4 ISS ISP IPIPE", sizeof(sd->name)); + sd->grp_id = 1 << 16; /* group ID for iss subdevs */ + v4l2_set_subdevdata(sd, ipipe); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + pads[IPIPE_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[IPIPE_PAD_SOURCE_VP].flags = MEDIA_PAD_FL_SOURCE; + + me->ops = &ipipe_media_ops; + ret = media_entity_init(me, IPIPE_PADS_NUM, pads, 0); + if (ret < 0) + return ret; + + ipipe_init_formats(sd, NULL); + + return 0; +} + +void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe) +{ + media_entity_cleanup(&ipipe->subdev.entity); + + v4l2_device_unregister_subdev(&ipipe->subdev); +} + +int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe, + struct v4l2_device *vdev) +{ + int ret; + + /* Register the subdev and video node. */ + ret = v4l2_device_register_subdev(vdev, &ipipe->subdev); + if (ret < 0) + goto error; + + return 0; + +error: + omap4iss_ipipe_unregister_entities(ipipe); + return ret; +} + +/* ----------------------------------------------------------------------------- + * ISP IPIPE initialisation and cleanup + */ + +/* + * omap4iss_ipipe_init - IPIPE module initialization. + * @iss: Device pointer specific to the OMAP4 ISS. + * + * TODO: Get the initialisation values from platform data. + * + * Return 0 on success or a negative error code otherwise. + */ +int omap4iss_ipipe_init(struct iss_device *iss) +{ + struct iss_ipipe_device *ipipe = &iss->ipipe; + + ipipe->state = ISS_PIPELINE_STREAM_STOPPED; + init_waitqueue_head(&ipipe->wait); + + return ipipe_init_entities(ipipe); +} + +/* + * omap4iss_ipipe_cleanup - IPIPE module cleanup. + * @iss: Device pointer specific to the OMAP4 ISS. + */ +void omap4iss_ipipe_cleanup(struct iss_device *iss) +{ + /* FIXME: are you sure there's nothing to do? */ +} diff --git a/drivers/staging/media/omap4iss/iss_ipipe.h b/drivers/staging/media/omap4iss/iss_ipipe.h new file mode 100644 index 000000000000..c22d9041f2a5 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_ipipe.h @@ -0,0 +1,67 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP IPIPE module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_IPIPE_H +#define OMAP4_ISS_IPIPE_H + +#include "iss_video.h" + +enum ipipe_input_entity { + IPIPE_INPUT_NONE, + IPIPE_INPUT_IPIPEIF, +}; + +#define IPIPE_OUTPUT_VP (1 << 0) + +/* Sink and source IPIPE pads */ +#define IPIPE_PAD_SINK 0 +#define IPIPE_PAD_SOURCE_VP 1 +#define IPIPE_PADS_NUM 2 + +/* + * struct iss_ipipe_device - Structure for the IPIPE module to store its own + * information + * @subdev: V4L2 subdevice + * @pads: Sink and source media entity pads + * @formats: Active video formats + * @input: Active input + * @output: Active outputs + * @error: A hardware error occurred during capture + * @state: Streaming state + * @wait: Wait queue used to stop the module + * @stopping: Stopping state + */ +struct iss_ipipe_device { + struct v4l2_subdev subdev; + struct media_pad pads[IPIPE_PADS_NUM]; + struct v4l2_mbus_framefmt formats[IPIPE_PADS_NUM]; + + enum ipipe_input_entity input; + unsigned int output; + unsigned int error; + + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +struct iss_device; + +int omap4iss_ipipe_register_entities(struct iss_ipipe_device *ipipe, + struct v4l2_device *vdev); +void omap4iss_ipipe_unregister_entities(struct iss_ipipe_device *ipipe); + +int omap4iss_ipipe_init(struct iss_device *iss); +void omap4iss_ipipe_cleanup(struct iss_device *iss); + +#endif /* OMAP4_ISS_IPIPE_H */ diff --git a/drivers/staging/media/omap4iss/iss_ipipeif.c b/drivers/staging/media/omap4iss/iss_ipipeif.c new file mode 100644 index 000000000000..7bc145762499 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_ipipeif.c @@ -0,0 +1,849 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP IPIPEIF module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/mm.h> +#include <linux/sched.h> + +#include "iss.h" +#include "iss_regs.h" +#include "iss_ipipeif.h" + +static const unsigned int ipipeif_fmts[] = { + V4L2_MBUS_FMT_SGRBG10_1X10, + V4L2_MBUS_FMT_SRGGB10_1X10, + V4L2_MBUS_FMT_SBGGR10_1X10, + V4L2_MBUS_FMT_SGBRG10_1X10, + V4L2_MBUS_FMT_UYVY8_1X16, + V4L2_MBUS_FMT_YUYV8_1X16, +}; + +/* + * ipipeif_print_status - Print current IPIPEIF Module register values. + * @ipipeif: Pointer to ISS ISP IPIPEIF device. + * + * Also prints other debug information stored in the IPIPEIF module. + */ +#define IPIPEIF_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###IPIPEIF " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_IPIPEIF, IPIPEIF_##name)) + +#define ISIF_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###ISIF " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_##name)) + +#define ISP5_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###ISP5 " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_SYS1, ISP5_##name)) + +static void ipipeif_print_status(struct iss_ipipeif_device *ipipeif) +{ + struct iss_device *iss = to_iss_device(ipipeif); + + dev_dbg(iss->dev, "-------------IPIPEIF Register dump-------------\n"); + + IPIPEIF_PRINT_REGISTER(iss, CFG1); + IPIPEIF_PRINT_REGISTER(iss, CFG2); + + ISIF_PRINT_REGISTER(iss, SYNCEN); + ISIF_PRINT_REGISTER(iss, CADU); + ISIF_PRINT_REGISTER(iss, CADL); + ISIF_PRINT_REGISTER(iss, MODESET); + ISIF_PRINT_REGISTER(iss, CCOLP); + ISIF_PRINT_REGISTER(iss, SPH); + ISIF_PRINT_REGISTER(iss, LNH); + ISIF_PRINT_REGISTER(iss, LNV); + ISIF_PRINT_REGISTER(iss, VDINT(0)); + ISIF_PRINT_REGISTER(iss, HSIZE); + + ISP5_PRINT_REGISTER(iss, SYSCONFIG); + ISP5_PRINT_REGISTER(iss, CTRL); + ISP5_PRINT_REGISTER(iss, IRQSTATUS(0)); + ISP5_PRINT_REGISTER(iss, IRQENABLE_SET(0)); + ISP5_PRINT_REGISTER(iss, IRQENABLE_CLR(0)); + + dev_dbg(iss->dev, "-----------------------------------------------\n"); +} + +static void ipipeif_write_enable(struct iss_ipipeif_device *ipipeif, u8 enable) +{ + struct iss_device *iss = to_iss_device(ipipeif); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_SYNCEN, + ISIF_SYNCEN_DWEN, enable ? ISIF_SYNCEN_DWEN : 0); +} + +/* + * ipipeif_enable - Enable/Disable IPIPEIF. + * @enable: enable flag + * + */ +static void ipipeif_enable(struct iss_ipipeif_device *ipipeif, u8 enable) +{ + struct iss_device *iss = to_iss_device(ipipeif); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_SYNCEN, + ISIF_SYNCEN_SYEN, enable ? ISIF_SYNCEN_SYEN : 0); +} + +/* ----------------------------------------------------------------------------- + * Format- and pipeline-related configuration helpers + */ + +/* + * ipipeif_set_outaddr - Set memory address to save output image + * @ipipeif: Pointer to ISP IPIPEIF device. + * @addr: 32-bit memory address aligned on 32 byte boundary. + * + * Sets the memory address where the output will be saved. + */ +static void ipipeif_set_outaddr(struct iss_ipipeif_device *ipipeif, u32 addr) +{ + struct iss_device *iss = to_iss_device(ipipeif); + + /* Save address splitted in Base Address H & L */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_CADU, + (addr >> (16 + 5)) & ISIF_CADU_MASK); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_CADL, + (addr >> 5) & ISIF_CADL_MASK); +} + +static void ipipeif_configure(struct iss_ipipeif_device *ipipeif) +{ + struct iss_device *iss = to_iss_device(ipipeif); + const struct iss_format_info *info; + struct v4l2_mbus_framefmt *format; + u32 isif_ccolp = 0; + + omap4iss_configure_bridge(iss, ipipeif->input); + + /* IPIPEIF_PAD_SINK */ + format = &ipipeif->formats[IPIPEIF_PAD_SINK]; + + /* IPIPEIF with YUV422 input from ISIF */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_IPIPEIF, IPIPEIF_CFG1, + IPIPEIF_CFG1_INPSRC1_MASK | IPIPEIF_CFG1_INPSRC2_MASK); + + /* Select ISIF/IPIPEIF input format */ + switch (format->code) { + case V4L2_MBUS_FMT_UYVY8_1X16: + case V4L2_MBUS_FMT_YUYV8_1X16: + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_MODESET, + ISIF_MODESET_CCDMD | ISIF_MODESET_INPMOD_MASK | + ISIF_MODESET_CCDW_MASK, + ISIF_MODESET_INPMOD_YCBCR16); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_IPIPEIF, IPIPEIF_CFG2, + IPIPEIF_CFG2_YUV8, IPIPEIF_CFG2_YUV16); + + break; + case V4L2_MBUS_FMT_SGRBG10_1X10: + isif_ccolp = ISIF_CCOLP_CP0_F0_GR | + ISIF_CCOLP_CP1_F0_R | + ISIF_CCOLP_CP2_F0_B | + ISIF_CCOLP_CP3_F0_GB; + goto cont_raw; + case V4L2_MBUS_FMT_SRGGB10_1X10: + isif_ccolp = ISIF_CCOLP_CP0_F0_R | + ISIF_CCOLP_CP1_F0_GR | + ISIF_CCOLP_CP2_F0_GB | + ISIF_CCOLP_CP3_F0_B; + goto cont_raw; + case V4L2_MBUS_FMT_SBGGR10_1X10: + isif_ccolp = ISIF_CCOLP_CP0_F0_B | + ISIF_CCOLP_CP1_F0_GB | + ISIF_CCOLP_CP2_F0_GR | + ISIF_CCOLP_CP3_F0_R; + goto cont_raw; + case V4L2_MBUS_FMT_SGBRG10_1X10: + isif_ccolp = ISIF_CCOLP_CP0_F0_GB | + ISIF_CCOLP_CP1_F0_B | + ISIF_CCOLP_CP2_F0_R | + ISIF_CCOLP_CP3_F0_GR; +cont_raw: + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_IPIPEIF, IPIPEIF_CFG2, + IPIPEIF_CFG2_YUV16); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_MODESET, + ISIF_MODESET_CCDMD | ISIF_MODESET_INPMOD_MASK | + ISIF_MODESET_CCDW_MASK, ISIF_MODESET_INPMOD_RAW | + ISIF_MODESET_CCDW_2BIT); + + info = omap4iss_video_format_info(format->code); + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_CGAMMAWD, + ISIF_CGAMMAWD_GWDI_MASK, + ISIF_CGAMMAWD_GWDI(info->bpp)); + + /* Set RAW Bayer pattern */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_CCOLP, + isif_ccolp); + break; + } + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_SPH, 0 & ISIF_SPH_MASK); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_LNH, + (format->width - 1) & ISIF_LNH_MASK); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_LNV, + (format->height - 1) & ISIF_LNV_MASK); + + /* Generate ISIF0 on the last line of the image */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_VDINT(0), + format->height - 1); + + /* IPIPEIF_PAD_SOURCE_ISIF_SF */ + format = &ipipeif->formats[IPIPEIF_PAD_SOURCE_ISIF_SF]; + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_ISIF, ISIF_HSIZE, + (ipipeif->video_out.bpl_value >> 5) & + ISIF_HSIZE_HSIZE_MASK); + + /* IPIPEIF_PAD_SOURCE_VP */ + /* Do nothing? */ +} + +/* ----------------------------------------------------------------------------- + * Interrupt handling + */ + +static void ipipeif_isr_buffer(struct iss_ipipeif_device *ipipeif) +{ + struct iss_buffer *buffer; + + /* The ISIF generates VD0 interrupts even when writes are disabled. + * deal with it anyway). Disabling the ISIF when no buffer is available + * is thus not be enough, we need to handle the situation explicitly. + */ + if (list_empty(&ipipeif->video_out.dmaqueue)) + return; + + ipipeif_write_enable(ipipeif, 0); + + buffer = omap4iss_video_buffer_next(&ipipeif->video_out); + if (buffer == NULL) + return; + + ipipeif_set_outaddr(ipipeif, buffer->iss_addr); + + ipipeif_write_enable(ipipeif, 1); +} + +/* + * ipipeif_isif0_isr - Handle ISIF0 event + * @ipipeif: Pointer to ISP IPIPEIF device. + * + * Executes LSC deferred enablement before next frame starts. + */ +static void ipipeif_isif0_isr(struct iss_ipipeif_device *ipipeif) +{ + struct iss_pipeline *pipe = + to_iss_pipeline(&ipipeif->subdev.entity); + if (pipe->do_propagation) + atomic_inc(&pipe->frame_number); + + if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY) + ipipeif_isr_buffer(ipipeif); +} + +/* + * omap4iss_ipipeif_isr - Configure ipipeif during interframe time. + * @ipipeif: Pointer to ISP IPIPEIF device. + * @events: IPIPEIF events + */ +void omap4iss_ipipeif_isr(struct iss_ipipeif_device *ipipeif, u32 events) +{ + if (omap4iss_module_sync_is_stopping(&ipipeif->wait, + &ipipeif->stopping)) + return; + + if (events & ISP5_IRQ_ISIF_INT(0)) + ipipeif_isif0_isr(ipipeif); +} + +/* ----------------------------------------------------------------------------- + * ISP video operations + */ + +static int ipipeif_video_queue(struct iss_video *video, + struct iss_buffer *buffer) +{ + struct iss_ipipeif_device *ipipeif = container_of(video, + struct iss_ipipeif_device, video_out); + + if (!(ipipeif->output & IPIPEIF_OUTPUT_MEMORY)) + return -ENODEV; + + ipipeif_set_outaddr(ipipeif, buffer->iss_addr); + + /* + * If streaming was enabled before there was a buffer queued + * or underrun happened in the ISR, the hardware was not enabled + * and DMA queue flag ISS_VIDEO_DMAQUEUE_UNDERRUN is still set. + * Enable it now. + */ + if (video->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_UNDERRUN) { + if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY) + ipipeif_write_enable(ipipeif, 1); + ipipeif_enable(ipipeif, 1); + iss_video_dmaqueue_flags_clr(video); + } + + return 0; +} + +static const struct iss_video_operations ipipeif_video_ops = { + .queue = ipipeif_video_queue, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 subdev operations + */ + +#define IPIPEIF_DRV_SUBCLK_MASK (OMAP4_ISS_ISP_SUBCLK_IPIPEIF |\ + OMAP4_ISS_ISP_SUBCLK_ISIF) +/* + * ipipeif_set_stream - Enable/Disable streaming on the IPIPEIF module + * @sd: ISP IPIPEIF V4L2 subdevice + * @enable: Enable/disable stream + */ +static int ipipeif_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(ipipeif); + struct iss_video *video_out = &ipipeif->video_out; + int ret = 0; + + if (ipipeif->state == ISS_PIPELINE_STREAM_STOPPED) { + if (enable == ISS_PIPELINE_STREAM_STOPPED) + return 0; + + omap4iss_isp_subclk_enable(iss, IPIPEIF_DRV_SUBCLK_MASK); + } + + switch (enable) { + case ISS_PIPELINE_STREAM_CONTINUOUS: + + ipipeif_configure(ipipeif); + ipipeif_print_status(ipipeif); + + /* + * When outputting to memory with no buffer available, let the + * buffer queue handler start the hardware. A DMA queue flag + * ISS_VIDEO_DMAQUEUE_QUEUED will be set as soon as there is + * a buffer available. + */ + if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY && + !(video_out->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_QUEUED)) + break; + + atomic_set(&ipipeif->stopping, 0); + if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY) + ipipeif_write_enable(ipipeif, 1); + ipipeif_enable(ipipeif, 1); + iss_video_dmaqueue_flags_clr(video_out); + break; + + case ISS_PIPELINE_STREAM_STOPPED: + if (ipipeif->state == ISS_PIPELINE_STREAM_STOPPED) + return 0; + if (omap4iss_module_sync_idle(&sd->entity, &ipipeif->wait, + &ipipeif->stopping)) + ret = -ETIMEDOUT; + + if (ipipeif->output & IPIPEIF_OUTPUT_MEMORY) + ipipeif_write_enable(ipipeif, 0); + ipipeif_enable(ipipeif, 0); + omap4iss_isp_subclk_disable(iss, IPIPEIF_DRV_SUBCLK_MASK); + iss_video_dmaqueue_flags_clr(video_out); + break; + } + + ipipeif->state = enable; + return ret; +} + +static struct v4l2_mbus_framefmt * +__ipipeif_get_format(struct iss_ipipeif_device *ipipeif, + struct v4l2_subdev_fh *fh, unsigned int pad, + enum v4l2_subdev_format_whence which) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY) + return v4l2_subdev_get_try_format(fh, pad); + else + return &ipipeif->formats[pad]; +} + +/* + * ipipeif_try_format - Try video format on a pad + * @ipipeif: ISS IPIPEIF device + * @fh : V4L2 subdev file handle + * @pad: Pad number + * @fmt: Format + */ +static void +ipipeif_try_format(struct iss_ipipeif_device *ipipeif, + struct v4l2_subdev_fh *fh, unsigned int pad, + struct v4l2_mbus_framefmt *fmt, + enum v4l2_subdev_format_whence which) +{ + struct v4l2_mbus_framefmt *format; + unsigned int width = fmt->width; + unsigned int height = fmt->height; + unsigned int i; + + switch (pad) { + case IPIPEIF_PAD_SINK: + /* TODO: If the IPIPEIF output formatter pad is connected + * directly to the resizer, only YUV formats can be used. + */ + for (i = 0; i < ARRAY_SIZE(ipipeif_fmts); i++) { + if (fmt->code == ipipeif_fmts[i]) + break; + } + + /* If not found, use SGRBG10 as default */ + if (i >= ARRAY_SIZE(ipipeif_fmts)) + fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10; + + /* Clamp the input size. */ + fmt->width = clamp_t(u32, width, 1, 8192); + fmt->height = clamp_t(u32, height, 1, 8192); + break; + + case IPIPEIF_PAD_SOURCE_ISIF_SF: + format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + which); + memcpy(fmt, format, sizeof(*fmt)); + + /* The data formatter truncates the number of horizontal output + * pixels to a multiple of 16. To avoid clipping data, allow + * callers to request an output size bigger than the input size + * up to the nearest multiple of 16. + */ + fmt->width = clamp_t(u32, width, 32, (fmt->width + 15) & ~15); + fmt->width &= ~15; + fmt->height = clamp_t(u32, height, 32, fmt->height); + break; + + case IPIPEIF_PAD_SOURCE_VP: + format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + which); + memcpy(fmt, format, sizeof(*fmt)); + + fmt->width = clamp_t(u32, width, 32, fmt->width); + fmt->height = clamp_t(u32, height, 32, fmt->height); + break; + } + + /* Data is written to memory unpacked, each 10-bit or 12-bit pixel is + * stored on 2 bytes. + */ + fmt->colorspace = V4L2_COLORSPACE_SRGB; + fmt->field = V4L2_FIELD_NONE; +} + +/* + * ipipeif_enum_mbus_code - Handle pixel format enumeration + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @code : pointer to v4l2_subdev_mbus_code_enum structure + * return -EINVAL or zero on success + */ +static int ipipeif_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + switch (code->pad) { + case IPIPEIF_PAD_SINK: + if (code->index >= ARRAY_SIZE(ipipeif_fmts)) + return -EINVAL; + + code->code = ipipeif_fmts[code->index]; + break; + + case IPIPEIF_PAD_SOURCE_ISIF_SF: + case IPIPEIF_PAD_SOURCE_VP: + /* No format conversion inside IPIPEIF */ + if (code->index != 0) + return -EINVAL; + + format = __ipipeif_get_format(ipipeif, fh, IPIPEIF_PAD_SINK, + V4L2_SUBDEV_FORMAT_TRY); + + code->code = format->code; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int ipipeif_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt format; + + if (fse->index != 0) + return -EINVAL; + + format.code = fse->code; + format.width = 1; + format.height = 1; + ipipeif_try_format(ipipeif, fh, fse->pad, &format, + V4L2_SUBDEV_FORMAT_TRY); + fse->min_width = format.width; + fse->min_height = format.height; + + if (format.code != fse->code) + return -EINVAL; + + format.code = fse->code; + format.width = -1; + format.height = -1; + ipipeif_try_format(ipipeif, fh, fse->pad, &format, + V4L2_SUBDEV_FORMAT_TRY); + fse->max_width = format.width; + fse->max_height = format.height; + + return 0; +} + +/* + * ipipeif_get_format - Retrieve the video format on a pad + * @sd : ISP IPIPEIF V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int ipipeif_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __ipipeif_get_format(ipipeif, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + fmt->format = *format; + return 0; +} + +/* + * ipipeif_set_format - Set the video format on a pad + * @sd : ISP IPIPEIF V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int ipipeif_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __ipipeif_get_format(ipipeif, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + ipipeif_try_format(ipipeif, fh, fmt->pad, &fmt->format, fmt->which); + *format = fmt->format; + + /* Propagate the format from sink to source */ + if (fmt->pad == IPIPEIF_PAD_SINK) { + format = __ipipeif_get_format(ipipeif, fh, + IPIPEIF_PAD_SOURCE_ISIF_SF, + fmt->which); + *format = fmt->format; + ipipeif_try_format(ipipeif, fh, IPIPEIF_PAD_SOURCE_ISIF_SF, + format, fmt->which); + + format = __ipipeif_get_format(ipipeif, fh, + IPIPEIF_PAD_SOURCE_VP, + fmt->which); + *format = fmt->format; + ipipeif_try_format(ipipeif, fh, IPIPEIF_PAD_SOURCE_VP, format, + fmt->which); + } + + return 0; +} + +static int ipipeif_link_validate(struct v4l2_subdev *sd, + struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt) +{ + /* Check if the two ends match */ + if (source_fmt->format.width != sink_fmt->format.width || + source_fmt->format.height != sink_fmt->format.height) + return -EPIPE; + + if (source_fmt->format.code != sink_fmt->format.code) + return -EPIPE; + + return 0; +} + +/* + * ipipeif_init_formats - Initialize formats on all pads + * @sd: ISP IPIPEIF V4L2 subdevice + * @fh: V4L2 subdev file handle + * + * Initialize all pad formats with default values. If fh is not NULL, try + * formats are initialized on the file handle. Otherwise active formats are + * initialized on the device. + */ +static int ipipeif_init_formats(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh) +{ + struct v4l2_subdev_format format; + + memset(&format, 0, sizeof(format)); + format.pad = IPIPEIF_PAD_SINK; + format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; + format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10; + format.format.width = 4096; + format.format.height = 4096; + ipipeif_set_format(sd, fh, &format); + + return 0; +} + +/* V4L2 subdev video operations */ +static const struct v4l2_subdev_video_ops ipipeif_v4l2_video_ops = { + .s_stream = ipipeif_set_stream, +}; + +/* V4L2 subdev pad operations */ +static const struct v4l2_subdev_pad_ops ipipeif_v4l2_pad_ops = { + .enum_mbus_code = ipipeif_enum_mbus_code, + .enum_frame_size = ipipeif_enum_frame_size, + .get_fmt = ipipeif_get_format, + .set_fmt = ipipeif_set_format, + .link_validate = ipipeif_link_validate, +}; + +/* V4L2 subdev operations */ +static const struct v4l2_subdev_ops ipipeif_v4l2_ops = { + .video = &ipipeif_v4l2_video_ops, + .pad = &ipipeif_v4l2_pad_ops, +}; + +/* V4L2 subdev internal operations */ +static const struct v4l2_subdev_internal_ops ipipeif_v4l2_internal_ops = { + .open = ipipeif_init_formats, +}; + +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +/* + * ipipeif_link_setup - Setup IPIPEIF connections + * @entity: IPIPEIF media entity + * @local: Pad at the local end of the link + * @remote: Pad at the remote end of the link + * @flags: Link flags + * + * return -EINVAL or zero on success + */ +static int ipipeif_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct iss_ipipeif_device *ipipeif = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(ipipeif); + + switch (local->index | media_entity_type(remote->entity)) { + case IPIPEIF_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: + /* Read from the sensor CSI2a or CSI2b. */ + if (!(flags & MEDIA_LNK_FL_ENABLED)) { + ipipeif->input = IPIPEIF_INPUT_NONE; + break; + } + + if (ipipeif->input != IPIPEIF_INPUT_NONE) + return -EBUSY; + + if (remote->entity == &iss->csi2a.subdev.entity) + ipipeif->input = IPIPEIF_INPUT_CSI2A; + else if (remote->entity == &iss->csi2b.subdev.entity) + ipipeif->input = IPIPEIF_INPUT_CSI2B; + + break; + + case IPIPEIF_PAD_SOURCE_ISIF_SF | MEDIA_ENT_T_DEVNODE: + /* Write to memory */ + if (flags & MEDIA_LNK_FL_ENABLED) { + if (ipipeif->output & ~IPIPEIF_OUTPUT_MEMORY) + return -EBUSY; + ipipeif->output |= IPIPEIF_OUTPUT_MEMORY; + } else { + ipipeif->output &= ~IPIPEIF_OUTPUT_MEMORY; + } + break; + + case IPIPEIF_PAD_SOURCE_VP | MEDIA_ENT_T_V4L2_SUBDEV: + /* Send to IPIPE/RESIZER */ + if (flags & MEDIA_LNK_FL_ENABLED) { + if (ipipeif->output & ~IPIPEIF_OUTPUT_VP) + return -EBUSY; + ipipeif->output |= IPIPEIF_OUTPUT_VP; + } else { + ipipeif->output &= ~IPIPEIF_OUTPUT_VP; + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* media operations */ +static const struct media_entity_operations ipipeif_media_ops = { + .link_setup = ipipeif_link_setup, + .link_validate = v4l2_subdev_link_validate, +}; + +/* + * ipipeif_init_entities - Initialize V4L2 subdev and media entity + * @ipipeif: ISS ISP IPIPEIF module + * + * Return 0 on success and a negative error code on failure. + */ +static int ipipeif_init_entities(struct iss_ipipeif_device *ipipeif) +{ + struct v4l2_subdev *sd = &ipipeif->subdev; + struct media_pad *pads = ipipeif->pads; + struct media_entity *me = &sd->entity; + int ret; + + ipipeif->input = IPIPEIF_INPUT_NONE; + + v4l2_subdev_init(sd, &ipipeif_v4l2_ops); + sd->internal_ops = &ipipeif_v4l2_internal_ops; + strlcpy(sd->name, "OMAP4 ISS ISP IPIPEIF", sizeof(sd->name)); + sd->grp_id = 1 << 16; /* group ID for iss subdevs */ + v4l2_set_subdevdata(sd, ipipeif); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + pads[IPIPEIF_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[IPIPEIF_PAD_SOURCE_ISIF_SF].flags = MEDIA_PAD_FL_SOURCE; + pads[IPIPEIF_PAD_SOURCE_VP].flags = MEDIA_PAD_FL_SOURCE; + + me->ops = &ipipeif_media_ops; + ret = media_entity_init(me, IPIPEIF_PADS_NUM, pads, 0); + if (ret < 0) + return ret; + + ipipeif_init_formats(sd, NULL); + + ipipeif->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + ipipeif->video_out.ops = &ipipeif_video_ops; + ipipeif->video_out.iss = to_iss_device(ipipeif); + ipipeif->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; + ipipeif->video_out.bpl_alignment = 32; + ipipeif->video_out.bpl_zero_padding = 1; + ipipeif->video_out.bpl_max = 0x1ffe0; + + ret = omap4iss_video_init(&ipipeif->video_out, "ISP IPIPEIF"); + if (ret < 0) + return ret; + + /* Connect the IPIPEIF subdev to the video node. */ + ret = media_entity_create_link(&ipipeif->subdev.entity, + IPIPEIF_PAD_SOURCE_ISIF_SF, + &ipipeif->video_out.video.entity, 0, 0); + if (ret < 0) + return ret; + + return 0; +} + +void omap4iss_ipipeif_unregister_entities(struct iss_ipipeif_device *ipipeif) +{ + media_entity_cleanup(&ipipeif->subdev.entity); + + v4l2_device_unregister_subdev(&ipipeif->subdev); + omap4iss_video_unregister(&ipipeif->video_out); +} + +int omap4iss_ipipeif_register_entities(struct iss_ipipeif_device *ipipeif, + struct v4l2_device *vdev) +{ + int ret; + + /* Register the subdev and video node. */ + ret = v4l2_device_register_subdev(vdev, &ipipeif->subdev); + if (ret < 0) + goto error; + + ret = omap4iss_video_register(&ipipeif->video_out, vdev); + if (ret < 0) + goto error; + + return 0; + +error: + omap4iss_ipipeif_unregister_entities(ipipeif); + return ret; +} + +/* ----------------------------------------------------------------------------- + * ISP IPIPEIF initialisation and cleanup + */ + +/* + * omap4iss_ipipeif_init - IPIPEIF module initialization. + * @iss: Device pointer specific to the OMAP4 ISS. + * + * TODO: Get the initialisation values from platform data. + * + * Return 0 on success or a negative error code otherwise. + */ +int omap4iss_ipipeif_init(struct iss_device *iss) +{ + struct iss_ipipeif_device *ipipeif = &iss->ipipeif; + + ipipeif->state = ISS_PIPELINE_STREAM_STOPPED; + init_waitqueue_head(&ipipeif->wait); + + return ipipeif_init_entities(ipipeif); +} + +/* + * omap4iss_ipipeif_cleanup - IPIPEIF module cleanup. + * @iss: Device pointer specific to the OMAP4 ISS. + */ +void omap4iss_ipipeif_cleanup(struct iss_device *iss) +{ + /* FIXME: are you sure there's nothing to do? */ +} diff --git a/drivers/staging/media/omap4iss/iss_ipipeif.h b/drivers/staging/media/omap4iss/iss_ipipeif.h new file mode 100644 index 000000000000..cbdccb982eee --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_ipipeif.h @@ -0,0 +1,92 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP IPIPEIF module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_IPIPEIF_H +#define OMAP4_ISS_IPIPEIF_H + +#include "iss_video.h" + +enum ipipeif_input_entity { + IPIPEIF_INPUT_NONE, + IPIPEIF_INPUT_CSI2A, + IPIPEIF_INPUT_CSI2B +}; + +#define IPIPEIF_OUTPUT_MEMORY (1 << 0) +#define IPIPEIF_OUTPUT_VP (1 << 1) + +/* Sink and source IPIPEIF pads */ +#define IPIPEIF_PAD_SINK 0 +#define IPIPEIF_PAD_SOURCE_ISIF_SF 1 +#define IPIPEIF_PAD_SOURCE_VP 2 +#define IPIPEIF_PADS_NUM 3 + +/* + * struct iss_ipipeif_device - Structure for the IPIPEIF module to store its own + * information + * @subdev: V4L2 subdevice + * @pads: Sink and source media entity pads + * @formats: Active video formats + * @input: Active input + * @output: Active outputs + * @video_out: Output video node + * @error: A hardware error occurred during capture + * @alaw: A-law compression enabled (1) or disabled (0) + * @lpf: Low pass filter enabled (1) or disabled (0) + * @obclamp: Optical-black clamp enabled (1) or disabled (0) + * @fpc_en: Faulty pixels correction enabled (1) or disabled (0) + * @blcomp: Black level compensation configuration + * @clamp: Optical-black or digital clamp configuration + * @fpc: Faulty pixels correction configuration + * @lsc: Lens shading compensation configuration + * @update: Bitmask of controls to update during the next interrupt + * @shadow_update: Controls update in progress by userspace + * @syncif: Interface synchronization configuration + * @vpcfg: Video port configuration + * @underrun: A buffer underrun occurred and a new buffer has been queued + * @state: Streaming state + * @lock: Serializes shadow_update with interrupt handler + * @wait: Wait queue used to stop the module + * @stopping: Stopping state + * @ioctl_lock: Serializes ioctl calls and LSC requests freeing + */ +struct iss_ipipeif_device { + struct v4l2_subdev subdev; + struct media_pad pads[IPIPEIF_PADS_NUM]; + struct v4l2_mbus_framefmt formats[IPIPEIF_PADS_NUM]; + + enum ipipeif_input_entity input; + unsigned int output; + struct iss_video video_out; + unsigned int error; + + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +struct iss_device; + +int omap4iss_ipipeif_init(struct iss_device *iss); +void omap4iss_ipipeif_cleanup(struct iss_device *iss); +int omap4iss_ipipeif_register_entities(struct iss_ipipeif_device *ipipeif, + struct v4l2_device *vdev); +void omap4iss_ipipeif_unregister_entities(struct iss_ipipeif_device *ipipeif); + +int omap4iss_ipipeif_busy(struct iss_ipipeif_device *ipipeif); +void omap4iss_ipipeif_isr(struct iss_ipipeif_device *ipipeif, u32 events); +void omap4iss_ipipeif_restore_context(struct iss_device *iss); +void omap4iss_ipipeif_max_rate(struct iss_ipipeif_device *ipipeif, + unsigned int *max_rate); + +#endif /* OMAP4_ISS_IPIPEIF_H */ diff --git a/drivers/staging/media/omap4iss/iss_regs.h b/drivers/staging/media/omap4iss/iss_regs.h new file mode 100644 index 000000000000..efd0291a86f7 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_regs.h @@ -0,0 +1,901 @@ +/* + * TI OMAP4 ISS V4L2 Driver - Register defines + * + * Copyright (C) 2012 Texas Instruments. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _OMAP4_ISS_REGS_H_ +#define _OMAP4_ISS_REGS_H_ + +/* ISS */ +#define ISS_HL_REVISION 0x0 + +#define ISS_HL_SYSCONFIG 0x10 +#define ISS_HL_SYSCONFIG_IDLEMODE_SHIFT 2 +#define ISS_HL_SYSCONFIG_IDLEMODE_FORCEIDLE 0x0 +#define ISS_HL_SYSCONFIG_IDLEMODE_NOIDLE 0x1 +#define ISS_HL_SYSCONFIG_IDLEMODE_SMARTIDLE 0x2 +#define ISS_HL_SYSCONFIG_SOFTRESET (1 << 0) + +#define ISS_HL_IRQSTATUS_RAW(i) (0x20 + (0x10 * (i))) +#define ISS_HL_IRQSTATUS(i) (0x24 + (0x10 * (i))) +#define ISS_HL_IRQENABLE_SET(i) (0x28 + (0x10 * (i))) +#define ISS_HL_IRQENABLE_CLR(i) (0x2c + (0x10 * (i))) + +#define ISS_HL_IRQ_HS_VS (1 << 17) +#define ISS_HL_IRQ_SIMCOP(i) (1 << (12 + (i))) +#define ISS_HL_IRQ_BTE (1 << 11) +#define ISS_HL_IRQ_CBUFF (1 << 10) +#define ISS_HL_IRQ_CCP2(i) (1 << ((i) > 3 ? 16 : 14 + (i))) +#define ISS_HL_IRQ_CSIB (1 << 5) +#define ISS_HL_IRQ_CSIA (1 << 4) +#define ISS_HL_IRQ_ISP(i) (1 << (i)) + +#define ISS_CTRL 0x80 +#define ISS_CTRL_CLK_DIV_MASK (3 << 4) +#define ISS_CTRL_INPUT_SEL_MASK (3 << 2) +#define ISS_CTRL_INPUT_SEL_CSI2A (0 << 2) +#define ISS_CTRL_INPUT_SEL_CSI2B (1 << 2) +#define ISS_CTRL_SYNC_DETECT_VS_RAISING (3 << 0) + +#define ISS_CLKCTRL 0x84 +#define ISS_CLKCTRL_VPORT2_CLK (1 << 30) +#define ISS_CLKCTRL_VPORT1_CLK (1 << 29) +#define ISS_CLKCTRL_VPORT0_CLK (1 << 28) +#define ISS_CLKCTRL_CCP2 (1 << 4) +#define ISS_CLKCTRL_CSI2_B (1 << 3) +#define ISS_CLKCTRL_CSI2_A (1 << 2) +#define ISS_CLKCTRL_ISP (1 << 1) +#define ISS_CLKCTRL_SIMCOP (1 << 0) + +#define ISS_CLKSTAT 0x88 +#define ISS_CLKSTAT_VPORT2_CLK (1 << 30) +#define ISS_CLKSTAT_VPORT1_CLK (1 << 29) +#define ISS_CLKSTAT_VPORT0_CLK (1 << 28) +#define ISS_CLKSTAT_CCP2 (1 << 4) +#define ISS_CLKSTAT_CSI2_B (1 << 3) +#define ISS_CLKSTAT_CSI2_A (1 << 2) +#define ISS_CLKSTAT_ISP (1 << 1) +#define ISS_CLKSTAT_SIMCOP (1 << 0) + +#define ISS_PM_STATUS 0x8c +#define ISS_PM_STATUS_CBUFF_PM_MASK (3 << 12) +#define ISS_PM_STATUS_BTE_PM_MASK (3 << 10) +#define ISS_PM_STATUS_SIMCOP_PM_MASK (3 << 8) +#define ISS_PM_STATUS_ISP_PM_MASK (3 << 6) +#define ISS_PM_STATUS_CCP2_PM_MASK (3 << 4) +#define ISS_PM_STATUS_CSI2_B_PM_MASK (3 << 2) +#define ISS_PM_STATUS_CSI2_A_PM_MASK (3 << 0) + +#define REGISTER0 0x0 +#define REGISTER0_HSCLOCKCONFIG (1 << 24) +#define REGISTER0_THS_TERM_MASK (0xff << 8) +#define REGISTER0_THS_TERM_SHIFT 8 +#define REGISTER0_THS_SETTLE_MASK (0xff << 0) +#define REGISTER0_THS_SETTLE_SHIFT 0 + +#define REGISTER1 0x4 +#define REGISTER1_RESET_DONE_CTRLCLK (1 << 29) +#define REGISTER1_CLOCK_MISS_DETECTOR_STATUS (1 << 25) +#define REGISTER1_TCLK_TERM_MASK (0x3f << 18) +#define REGISTER1_TCLK_TERM_SHIFT 18 +#define REGISTER1_DPHY_HS_SYNC_PATTERN_SHIFT 10 +#define REGISTER1_CTRLCLK_DIV_FACTOR_MASK (0x3 << 8) +#define REGISTER1_CTRLCLK_DIV_FACTOR_SHIFT 8 +#define REGISTER1_TCLK_SETTLE_MASK (0xff << 0) +#define REGISTER1_TCLK_SETTLE_SHIFT 0 + +#define REGISTER2 0x8 + +#define CSI2_SYSCONFIG 0x10 +#define CSI2_SYSCONFIG_MSTANDBY_MODE_MASK (3 << 12) +#define CSI2_SYSCONFIG_MSTANDBY_MODE_FORCE (0 << 12) +#define CSI2_SYSCONFIG_MSTANDBY_MODE_NO (1 << 12) +#define CSI2_SYSCONFIG_MSTANDBY_MODE_SMART (2 << 12) +#define CSI2_SYSCONFIG_SOFT_RESET (1 << 1) +#define CSI2_SYSCONFIG_AUTO_IDLE (1 << 0) + +#define CSI2_SYSSTATUS 0x14 +#define CSI2_SYSSTATUS_RESET_DONE (1 << 0) + +#define CSI2_IRQSTATUS 0x18 +#define CSI2_IRQENABLE 0x1c + +/* Shared bits across CSI2_IRQENABLE and IRQSTATUS */ + +#define CSI2_IRQ_OCP_ERR (1 << 14) +#define CSI2_IRQ_SHORT_PACKET (1 << 13) +#define CSI2_IRQ_ECC_CORRECTION (1 << 12) +#define CSI2_IRQ_ECC_NO_CORRECTION (1 << 11) +#define CSI2_IRQ_COMPLEXIO_ERR (1 << 9) +#define CSI2_IRQ_FIFO_OVF (1 << 8) +#define CSI2_IRQ_CONTEXT0 (1 << 0) + +#define CSI2_CTRL 0x40 +#define CSI2_CTRL_MFLAG_LEVH_MASK (7 << 20) +#define CSI2_CTRL_MFLAG_LEVH_SHIFT 20 +#define CSI2_CTRL_MFLAG_LEVL_MASK (7 << 17) +#define CSI2_CTRL_MFLAG_LEVL_SHIFT 17 +#define CSI2_CTRL_BURST_SIZE_EXPAND (1 << 16) +#define CSI2_CTRL_VP_CLK_EN (1 << 15) +#define CSI2_CTRL_NON_POSTED_WRITE (1 << 13) +#define CSI2_CTRL_VP_ONLY_EN (1 << 11) +#define CSI2_CTRL_VP_OUT_CTRL_MASK (3 << 8) +#define CSI2_CTRL_VP_OUT_CTRL_SHIFT 8 +#define CSI2_CTRL_DBG_EN (1 << 7) +#define CSI2_CTRL_BURST_SIZE_MASK (3 << 5) +#define CSI2_CTRL_ENDIANNESS (1 << 4) +#define CSI2_CTRL_FRAME (1 << 3) +#define CSI2_CTRL_ECC_EN (1 << 2) +#define CSI2_CTRL_IF_EN (1 << 0) + +#define CSI2_DBG_H 0x44 + +#define CSI2_COMPLEXIO_CFG 0x50 +#define CSI2_COMPLEXIO_CFG_RESET_CTRL (1 << 30) +#define CSI2_COMPLEXIO_CFG_RESET_DONE (1 << 29) +#define CSI2_COMPLEXIO_CFG_PWD_CMD_MASK (3 << 27) +#define CSI2_COMPLEXIO_CFG_PWD_CMD_OFF (0 << 27) +#define CSI2_COMPLEXIO_CFG_PWD_CMD_ON (1 << 27) +#define CSI2_COMPLEXIO_CFG_PWD_CMD_ULP (2 << 27) +#define CSI2_COMPLEXIO_CFG_PWD_STATUS_MASK (3 << 25) +#define CSI2_COMPLEXIO_CFG_PWD_STATUS_OFF (0 << 25) +#define CSI2_COMPLEXIO_CFG_PWD_STATUS_ON (1 << 25) +#define CSI2_COMPLEXIO_CFG_PWD_STATUS_ULP (2 << 25) +#define CSI2_COMPLEXIO_CFG_PWR_AUTO (1 << 24) +#define CSI2_COMPLEXIO_CFG_DATA_POL(i) (1 << (((i) * 4) + 3)) +#define CSI2_COMPLEXIO_CFG_DATA_POSITION_MASK(i) (7 << ((i) * 4)) +#define CSI2_COMPLEXIO_CFG_DATA_POSITION_SHIFT(i) ((i) * 4) +#define CSI2_COMPLEXIO_CFG_CLOCK_POL (1 << 3) +#define CSI2_COMPLEXIO_CFG_CLOCK_POSITION_MASK (7 << 0) +#define CSI2_COMPLEXIO_CFG_CLOCK_POSITION_SHIFT 0 + +#define CSI2_COMPLEXIO_IRQSTATUS 0x54 + +#define CSI2_SHORT_PACKET 0x5c + +#define CSI2_COMPLEXIO_IRQENABLE 0x60 + +/* Shared bits across CSI2_COMPLEXIO_IRQENABLE and IRQSTATUS */ +#define CSI2_COMPLEXIO_IRQ_STATEALLULPMEXIT (1 << 26) +#define CSI2_COMPLEXIO_IRQ_STATEALLULPMENTER (1 << 25) +#define CSI2_COMPLEXIO_IRQ_STATEULPM5 (1 << 24) +#define CSI2_COMPLEXIO_IRQ_STATEULPM4 (1 << 23) +#define CSI2_COMPLEXIO_IRQ_STATEULPM3 (1 << 22) +#define CSI2_COMPLEXIO_IRQ_STATEULPM2 (1 << 21) +#define CSI2_COMPLEXIO_IRQ_STATEULPM1 (1 << 20) +#define CSI2_COMPLEXIO_IRQ_ERRCONTROL5 (1 << 19) +#define CSI2_COMPLEXIO_IRQ_ERRCONTROL4 (1 << 18) +#define CSI2_COMPLEXIO_IRQ_ERRCONTROL3 (1 << 17) +#define CSI2_COMPLEXIO_IRQ_ERRCONTROL2 (1 << 16) +#define CSI2_COMPLEXIO_IRQ_ERRCONTROL1 (1 << 15) +#define CSI2_COMPLEXIO_IRQ_ERRESC5 (1 << 14) +#define CSI2_COMPLEXIO_IRQ_ERRESC4 (1 << 13) +#define CSI2_COMPLEXIO_IRQ_ERRESC3 (1 << 12) +#define CSI2_COMPLEXIO_IRQ_ERRESC2 (1 << 11) +#define CSI2_COMPLEXIO_IRQ_ERRESC1 (1 << 10) +#define CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS5 (1 << 9) +#define CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS4 (1 << 8) +#define CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS3 (1 << 7) +#define CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS2 (1 << 6) +#define CSI2_COMPLEXIO_IRQ_ERRSOTSYNCHS1 (1 << 5) +#define CSI2_COMPLEXIO_IRQ_ERRSOTHS5 (1 << 4) +#define CSI2_COMPLEXIO_IRQ_ERRSOTHS4 (1 << 3) +#define CSI2_COMPLEXIO_IRQ_ERRSOTHS3 (1 << 2) +#define CSI2_COMPLEXIO_IRQ_ERRSOTHS2 (1 << 1) +#define CSI2_COMPLEXIO_IRQ_ERRSOTHS1 (1 << 0) + +#define CSI2_DBG_P 0x68 + +#define CSI2_TIMING 0x6c +#define CSI2_TIMING_FORCE_RX_MODE_IO1 (1 << 15) +#define CSI2_TIMING_STOP_STATE_X16_IO1 (1 << 14) +#define CSI2_TIMING_STOP_STATE_X4_IO1 (1 << 13) +#define CSI2_TIMING_STOP_STATE_COUNTER_IO1_MASK (0x1fff << 0) +#define CSI2_TIMING_STOP_STATE_COUNTER_IO1_SHIFT 0 + +#define CSI2_CTX_CTRL1(i) (0x70 + (0x20 * i)) +#define CSI2_CTX_CTRL1_GENERIC (1 << 30) +#define CSI2_CTX_CTRL1_TRANSCODE (0xf << 24) +#define CSI2_CTX_CTRL1_FEC_NUMBER_MASK (0xff << 16) +#define CSI2_CTX_CTRL1_COUNT_MASK (0xff << 8) +#define CSI2_CTX_CTRL1_COUNT_SHIFT 8 +#define CSI2_CTX_CTRL1_EOF_EN (1 << 7) +#define CSI2_CTX_CTRL1_EOL_EN (1 << 6) +#define CSI2_CTX_CTRL1_CS_EN (1 << 5) +#define CSI2_CTX_CTRL1_COUNT_UNLOCK (1 << 4) +#define CSI2_CTX_CTRL1_PING_PONG (1 << 3) +#define CSI2_CTX_CTRL1_CTX_EN (1 << 0) + +#define CSI2_CTX_CTRL2(i) (0x74 + (0x20 * i)) +#define CSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT 13 +#define CSI2_CTX_CTRL2_USER_DEF_MAP_MASK \ + (0x3 << CSI2_CTX_CTRL2_USER_DEF_MAP_SHIFT) +#define CSI2_CTX_CTRL2_VIRTUAL_ID_MASK (3 << 11) +#define CSI2_CTX_CTRL2_VIRTUAL_ID_SHIFT 11 +#define CSI2_CTX_CTRL2_DPCM_PRED (1 << 10) +#define CSI2_CTX_CTRL2_FORMAT_MASK (0x3ff << 0) +#define CSI2_CTX_CTRL2_FORMAT_SHIFT 0 + +#define CSI2_CTX_DAT_OFST(i) (0x78 + (0x20 * i)) +#define CSI2_CTX_DAT_OFST_MASK (0xfff << 5) + +#define CSI2_CTX_PING_ADDR(i) (0x7c + (0x20 * i)) +#define CSI2_CTX_PING_ADDR_MASK 0xffffffe0 + +#define CSI2_CTX_PONG_ADDR(i) (0x80 + (0x20 * i)) +#define CSI2_CTX_PONG_ADDR_MASK CSI2_CTX_PING_ADDR_MASK + +#define CSI2_CTX_IRQENABLE(i) (0x84 + (0x20 * i)) +#define CSI2_CTX_IRQSTATUS(i) (0x88 + (0x20 * i)) + +#define CSI2_CTX_CTRL3(i) (0x8c + (0x20 * i)) +#define CSI2_CTX_CTRL3_ALPHA_SHIFT 5 +#define CSI2_CTX_CTRL3_ALPHA_MASK \ + (0x3fff << CSI2_CTX_CTRL3_ALPHA_SHIFT) + +/* Shared bits across CSI2_CTX_IRQENABLE and IRQSTATUS */ +#define CSI2_CTX_IRQ_ECC_CORRECTION (1 << 8) +#define CSI2_CTX_IRQ_LINE_NUMBER (1 << 7) +#define CSI2_CTX_IRQ_FRAME_NUMBER (1 << 6) +#define CSI2_CTX_IRQ_CS (1 << 5) +#define CSI2_CTX_IRQ_LE (1 << 3) +#define CSI2_CTX_IRQ_LS (1 << 2) +#define CSI2_CTX_IRQ_FE (1 << 1) +#define CSI2_CTX_IRQ_FS (1 << 0) + +/* ISS BTE */ +#define BTE_CTRL (0x0030) +#define BTE_CTRL_BW_LIMITER_MASK (0x3ff << 22) +#define BTE_CTRL_BW_LIMITER_SHIFT 22 + +/* ISS ISP_SYS1 */ +#define ISP5_REVISION (0x0000) +#define ISP5_SYSCONFIG (0x0010) +#define ISP5_SYSCONFIG_STANDBYMODE_MASK (3 << 4) +#define ISP5_SYSCONFIG_STANDBYMODE_FORCE (0 << 4) +#define ISP5_SYSCONFIG_STANDBYMODE_NO (1 << 4) +#define ISP5_SYSCONFIG_STANDBYMODE_SMART (2 << 4) +#define ISP5_SYSCONFIG_SOFTRESET (1 << 1) + +#define ISP5_IRQSTATUS(i) (0x0028 + (0x10 * (i))) +#define ISP5_IRQENABLE_SET(i) (0x002c + (0x10 * (i))) +#define ISP5_IRQENABLE_CLR(i) (0x0030 + (0x10 * (i))) + +/* Bits shared for ISP5_IRQ* registers */ +#define ISP5_IRQ_OCP_ERR (1 << 31) +#define ISP5_IRQ_IPIPE_INT_DPC_RNEW1 (1 << 29) +#define ISP5_IRQ_IPIPE_INT_DPC_RNEW0 (1 << 28) +#define ISP5_IRQ_IPIPE_INT_DPC_INIT (1 << 27) +#define ISP5_IRQ_IPIPE_INT_EOF (1 << 25) +#define ISP5_IRQ_H3A_INT_EOF (1 << 24) +#define ISP5_IRQ_RSZ_INT_EOF1 (1 << 23) +#define ISP5_IRQ_RSZ_INT_EOF0 (1 << 22) +#define ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR (1 << 19) +#define ISP5_IRQ_RSZ_FIFO_OVF (1 << 18) +#define ISP5_IRQ_RSZ_INT_CYC_RSZB (1 << 17) +#define ISP5_IRQ_RSZ_INT_CYC_RSZA (1 << 16) +#define ISP5_IRQ_RSZ_INT_DMA (1 << 15) +#define ISP5_IRQ_RSZ_INT_LAST_PIX (1 << 14) +#define ISP5_IRQ_RSZ_INT_REG (1 << 13) +#define ISP5_IRQ_H3A_INT (1 << 12) +#define ISP5_IRQ_AF_INT (1 << 11) +#define ISP5_IRQ_AEW_INT (1 << 10) +#define ISP5_IRQ_IPIPEIF_IRQ (1 << 9) +#define ISP5_IRQ_IPIPE_INT_HST (1 << 8) +#define ISP5_IRQ_IPIPE_INT_BSC (1 << 7) +#define ISP5_IRQ_IPIPE_INT_DMA (1 << 6) +#define ISP5_IRQ_IPIPE_INT_LAST_PIX (1 << 5) +#define ISP5_IRQ_IPIPE_INT_REG (1 << 4) +#define ISP5_IRQ_ISIF_INT(i) (1 << (i)) + +#define ISP5_CTRL (0x006c) +#define ISP5_CTRL_MSTANDBY (1 << 24) +#define ISP5_CTRL_VD_PULSE_EXT (1 << 23) +#define ISP5_CTRL_MSTANDBY_WAIT (1 << 20) +#define ISP5_CTRL_BL_CLK_ENABLE (1 << 15) +#define ISP5_CTRL_ISIF_CLK_ENABLE (1 << 14) +#define ISP5_CTRL_H3A_CLK_ENABLE (1 << 13) +#define ISP5_CTRL_RSZ_CLK_ENABLE (1 << 12) +#define ISP5_CTRL_IPIPE_CLK_ENABLE (1 << 11) +#define ISP5_CTRL_IPIPEIF_CLK_ENABLE (1 << 10) +#define ISP5_CTRL_SYNC_ENABLE (1 << 9) +#define ISP5_CTRL_PSYNC_CLK_SEL (1 << 8) + +/* ISS ISP ISIF register offsets */ +#define ISIF_SYNCEN (0x0000) +#define ISIF_SYNCEN_DWEN (1 << 1) +#define ISIF_SYNCEN_SYEN (1 << 0) + +#define ISIF_MODESET (0x0004) +#define ISIF_MODESET_INPMOD_MASK (3 << 12) +#define ISIF_MODESET_INPMOD_RAW (0 << 12) +#define ISIF_MODESET_INPMOD_YCBCR16 (1 << 12) +#define ISIF_MODESET_INPMOD_YCBCR8 (2 << 12) +#define ISIF_MODESET_CCDW_MASK (7 << 8) +#define ISIF_MODESET_CCDW_2BIT (2 << 8) +#define ISIF_MODESET_CCDMD (1 << 7) +#define ISIF_MODESET_SWEN (1 << 5) +#define ISIF_MODESET_HDPOL (1 << 3) +#define ISIF_MODESET_VDPOL (1 << 2) + +#define ISIF_SPH (0x0018) +#define ISIF_SPH_MASK (0x7fff) + +#define ISIF_LNH (0x001c) +#define ISIF_LNH_MASK (0x7fff) + +#define ISIF_LNV (0x0028) +#define ISIF_LNV_MASK (0x7fff) + +#define ISIF_HSIZE (0x0034) +#define ISIF_HSIZE_ADCR (1 << 12) +#define ISIF_HSIZE_HSIZE_MASK (0xfff) + +#define ISIF_CADU (0x003c) +#define ISIF_CADU_MASK (0x7ff) + +#define ISIF_CADL (0x0040) +#define ISIF_CADL_MASK (0xffff) + +#define ISIF_CCOLP (0x004c) +#define ISIF_CCOLP_CP0_F0_R (0 << 6) +#define ISIF_CCOLP_CP0_F0_GR (1 << 6) +#define ISIF_CCOLP_CP0_F0_B (3 << 6) +#define ISIF_CCOLP_CP0_F0_GB (2 << 6) +#define ISIF_CCOLP_CP1_F0_R (0 << 4) +#define ISIF_CCOLP_CP1_F0_GR (1 << 4) +#define ISIF_CCOLP_CP1_F0_B (3 << 4) +#define ISIF_CCOLP_CP1_F0_GB (2 << 4) +#define ISIF_CCOLP_CP2_F0_R (0 << 2) +#define ISIF_CCOLP_CP2_F0_GR (1 << 2) +#define ISIF_CCOLP_CP2_F0_B (3 << 2) +#define ISIF_CCOLP_CP2_F0_GB (2 << 2) +#define ISIF_CCOLP_CP3_F0_R (0 << 0) +#define ISIF_CCOLP_CP3_F0_GR (1 << 0) +#define ISIF_CCOLP_CP3_F0_B (3 << 0) +#define ISIF_CCOLP_CP3_F0_GB (2 << 0) + +#define ISIF_VDINT(i) (0x0070 + (i) * 4) +#define ISIF_VDINT_MASK (0x7fff) + +#define ISIF_CGAMMAWD (0x0080) +#define ISIF_CGAMMAWD_GWDI_MASK (0xf << 1) +#define ISIF_CGAMMAWD_GWDI(bpp) ((16 - (bpp)) << 1) + +#define ISIF_CCDCFG (0x0088) +#define ISIF_CCDCFG_Y8POS (1 << 11) + +/* ISS ISP IPIPEIF register offsets */ +#define IPIPEIF_ENABLE (0x0000) + +#define IPIPEIF_CFG1 (0x0004) +#define IPIPEIF_CFG1_INPSRC1_MASK (3 << 14) +#define IPIPEIF_CFG1_INPSRC1_VPORT_RAW (0 << 14) +#define IPIPEIF_CFG1_INPSRC1_SDRAM_RAW (1 << 14) +#define IPIPEIF_CFG1_INPSRC1_ISIF_DARKFM (2 << 14) +#define IPIPEIF_CFG1_INPSRC1_SDRAM_YUV (3 << 14) +#define IPIPEIF_CFG1_INPSRC2_MASK (3 << 2) +#define IPIPEIF_CFG1_INPSRC2_ISIF (0 << 2) +#define IPIPEIF_CFG1_INPSRC2_SDRAM_RAW (1 << 2) +#define IPIPEIF_CFG1_INPSRC2_ISIF_DARKFM (2 << 2) +#define IPIPEIF_CFG1_INPSRC2_SDRAM_YUV (3 << 2) + +#define IPIPEIF_CFG2 (0x0030) +#define IPIPEIF_CFG2_YUV8P (1 << 7) +#define IPIPEIF_CFG2_YUV8 (1 << 6) +#define IPIPEIF_CFG2_YUV16 (1 << 3) +#define IPIPEIF_CFG2_VDPOL (1 << 2) +#define IPIPEIF_CFG2_HDPOL (1 << 1) +#define IPIPEIF_CFG2_INTSW (1 << 0) + +#define IPIPEIF_CLKDIV (0x0040) + +/* ISS ISP IPIPE register offsets */ +#define IPIPE_SRC_EN (0x0000) +#define IPIPE_SRC_EN_EN (1 << 0) + +#define IPIPE_SRC_MODE (0x0004) +#define IPIPE_SRC_MODE_WRT (1 << 1) +#define IPIPE_SRC_MODE_OST (1 << 0) + +#define IPIPE_SRC_FMT (0x0008) +#define IPIPE_SRC_FMT_RAW2YUV (0 << 0) +#define IPIPE_SRC_FMT_RAW2RAW (1 << 0) +#define IPIPE_SRC_FMT_RAW2STATS (2 << 0) +#define IPIPE_SRC_FMT_YUV2YUV (3 << 0) + +#define IPIPE_SRC_COL (0x000c) +#define IPIPE_SRC_COL_OO_R (0 << 6) +#define IPIPE_SRC_COL_OO_GR (1 << 6) +#define IPIPE_SRC_COL_OO_B (3 << 6) +#define IPIPE_SRC_COL_OO_GB (2 << 6) +#define IPIPE_SRC_COL_OE_R (0 << 4) +#define IPIPE_SRC_COL_OE_GR (1 << 4) +#define IPIPE_SRC_COL_OE_B (3 << 4) +#define IPIPE_SRC_COL_OE_GB (2 << 4) +#define IPIPE_SRC_COL_EO_R (0 << 2) +#define IPIPE_SRC_COL_EO_GR (1 << 2) +#define IPIPE_SRC_COL_EO_B (3 << 2) +#define IPIPE_SRC_COL_EO_GB (2 << 2) +#define IPIPE_SRC_COL_EE_R (0 << 0) +#define IPIPE_SRC_COL_EE_GR (1 << 0) +#define IPIPE_SRC_COL_EE_B (3 << 0) +#define IPIPE_SRC_COL_EE_GB (2 << 0) + +#define IPIPE_SRC_VPS (0x0010) +#define IPIPE_SRC_VPS_MASK (0xffff) + +#define IPIPE_SRC_VSZ (0x0014) +#define IPIPE_SRC_VSZ_MASK (0x1fff) + +#define IPIPE_SRC_HPS (0x0018) +#define IPIPE_SRC_HPS_MASK (0xffff) + +#define IPIPE_SRC_HSZ (0x001c) +#define IPIPE_SRC_HSZ_MASK (0x1ffe) + +#define IPIPE_SEL_SBU (0x0020) + +#define IPIPE_SRC_STA (0x0024) + +#define IPIPE_GCK_MMR (0x0028) +#define IPIPE_GCK_MMR_REG (1 << 0) + +#define IPIPE_GCK_PIX (0x002c) +#define IPIPE_GCK_PIX_G3 (1 << 3) +#define IPIPE_GCK_PIX_G2 (1 << 2) +#define IPIPE_GCK_PIX_G1 (1 << 1) +#define IPIPE_GCK_PIX_G0 (1 << 0) + +#define IPIPE_DPC_LUT_EN (0x0034) +#define IPIPE_DPC_LUT_SEL (0x0038) +#define IPIPE_DPC_LUT_ADR (0x003c) +#define IPIPE_DPC_LUT_SIZ (0x0040) + +#define IPIPE_DPC_OTF_EN (0x0044) +#define IPIPE_DPC_OTF_TYP (0x0048) +#define IPIPE_DPC_OTF_2_D_THR_R (0x004c) +#define IPIPE_DPC_OTF_2_D_THR_GR (0x0050) +#define IPIPE_DPC_OTF_2_D_THR_GB (0x0054) +#define IPIPE_DPC_OTF_2_D_THR_B (0x0058) +#define IPIPE_DPC_OTF_2_C_THR_R (0x005c) +#define IPIPE_DPC_OTF_2_C_THR_GR (0x0060) +#define IPIPE_DPC_OTF_2_C_THR_GB (0x0064) +#define IPIPE_DPC_OTF_2_C_THR_B (0x0068) +#define IPIPE_DPC_OTF_3_SHF (0x006c) +#define IPIPE_DPC_OTF_3_D_THR (0x0070) +#define IPIPE_DPC_OTF_3_D_SPL (0x0074) +#define IPIPE_DPC_OTF_3_D_MIN (0x0078) +#define IPIPE_DPC_OTF_3_D_MAX (0x007c) +#define IPIPE_DPC_OTF_3_C_THR (0x0080) +#define IPIPE_DPC_OTF_3_C_SLP (0x0084) +#define IPIPE_DPC_OTF_3_C_MIN (0x0088) +#define IPIPE_DPC_OTF_3_C_MAX (0x008c) + +#define IPIPE_LSC_VOFT (0x0090) +#define IPIPE_LSC_VA2 (0x0094) +#define IPIPE_LSC_VA1 (0x0098) +#define IPIPE_LSC_VS (0x009c) +#define IPIPE_LSC_HOFT (0x00a0) +#define IPIPE_LSC_HA2 (0x00a4) +#define IPIPE_LSC_HA1 (0x00a8) +#define IPIPE_LSC_HS (0x00ac) +#define IPIPE_LSC_GAN_R (0x00b0) +#define IPIPE_LSC_GAN_GR (0x00b4) +#define IPIPE_LSC_GAN_GB (0x00b8) +#define IPIPE_LSC_GAN_B (0x00bc) +#define IPIPE_LSC_OFT_R (0x00c0) +#define IPIPE_LSC_OFT_GR (0x00c4) +#define IPIPE_LSC_OFT_GB (0x00c8) +#define IPIPE_LSC_OFT_B (0x00cc) +#define IPIPE_LSC_SHF (0x00d0) +#define IPIPE_LSC_MAX (0x00d4) + +#define IPIPE_D2F_1ST_EN (0x00d8) +#define IPIPE_D2F_1ST_TYP (0x00dc) +#define IPIPE_D2F_1ST_THR_00 (0x00e0) +#define IPIPE_D2F_1ST_THR_01 (0x00e4) +#define IPIPE_D2F_1ST_THR_02 (0x00e8) +#define IPIPE_D2F_1ST_THR_03 (0x00ec) +#define IPIPE_D2F_1ST_THR_04 (0x00f0) +#define IPIPE_D2F_1ST_THR_05 (0x00f4) +#define IPIPE_D2F_1ST_THR_06 (0x00f8) +#define IPIPE_D2F_1ST_THR_07 (0x00fc) +#define IPIPE_D2F_1ST_STR_00 (0x0100) +#define IPIPE_D2F_1ST_STR_01 (0x0104) +#define IPIPE_D2F_1ST_STR_02 (0x0108) +#define IPIPE_D2F_1ST_STR_03 (0x010c) +#define IPIPE_D2F_1ST_STR_04 (0x0110) +#define IPIPE_D2F_1ST_STR_05 (0x0114) +#define IPIPE_D2F_1ST_STR_06 (0x0118) +#define IPIPE_D2F_1ST_STR_07 (0x011c) +#define IPIPE_D2F_1ST_SPR_00 (0x0120) +#define IPIPE_D2F_1ST_SPR_01 (0x0124) +#define IPIPE_D2F_1ST_SPR_02 (0x0128) +#define IPIPE_D2F_1ST_SPR_03 (0x012c) +#define IPIPE_D2F_1ST_SPR_04 (0x0130) +#define IPIPE_D2F_1ST_SPR_05 (0x0134) +#define IPIPE_D2F_1ST_SPR_06 (0x0138) +#define IPIPE_D2F_1ST_SPR_07 (0x013c) +#define IPIPE_D2F_1ST_EDG_MIN (0x0140) +#define IPIPE_D2F_1ST_EDG_MAX (0x0144) +#define IPIPE_D2F_2ND_EN (0x0148) +#define IPIPE_D2F_2ND_TYP (0x014c) +#define IPIPE_D2F_2ND_THR00 (0x0150) +#define IPIPE_D2F_2ND_THR01 (0x0154) +#define IPIPE_D2F_2ND_THR02 (0x0158) +#define IPIPE_D2F_2ND_THR03 (0x015c) +#define IPIPE_D2F_2ND_THR04 (0x0160) +#define IPIPE_D2F_2ND_THR05 (0x0164) +#define IPIPE_D2F_2ND_THR06 (0x0168) +#define IPIPE_D2F_2ND_THR07 (0x016c) +#define IPIPE_D2F_2ND_STR_00 (0x0170) +#define IPIPE_D2F_2ND_STR_01 (0x0174) +#define IPIPE_D2F_2ND_STR_02 (0x0178) +#define IPIPE_D2F_2ND_STR_03 (0x017c) +#define IPIPE_D2F_2ND_STR_04 (0x0180) +#define IPIPE_D2F_2ND_STR_05 (0x0184) +#define IPIPE_D2F_2ND_STR_06 (0x0188) +#define IPIPE_D2F_2ND_STR_07 (0x018c) +#define IPIPE_D2F_2ND_SPR_00 (0x0190) +#define IPIPE_D2F_2ND_SPR_01 (0x0194) +#define IPIPE_D2F_2ND_SPR_02 (0x0198) +#define IPIPE_D2F_2ND_SPR_03 (0x019c) +#define IPIPE_D2F_2ND_SPR_04 (0x01a0) +#define IPIPE_D2F_2ND_SPR_05 (0x01a4) +#define IPIPE_D2F_2ND_SPR_06 (0x01a8) +#define IPIPE_D2F_2ND_SPR_07 (0x01ac) +#define IPIPE_D2F_2ND_EDG_MIN (0x01b0) +#define IPIPE_D2F_2ND_EDG_MAX (0x01b4) + +#define IPIPE_GIC_EN (0x01b8) +#define IPIPE_GIC_TYP (0x01bc) +#define IPIPE_GIC_GAN (0x01c0) +#define IPIPE_GIC_NFGAIN (0x01c4) +#define IPIPE_GIC_THR (0x01c8) +#define IPIPE_GIC_SLP (0x01cc) + +#define IPIPE_WB2_OFT_R (0x01d0) +#define IPIPE_WB2_OFT_GR (0x01d4) +#define IPIPE_WB2_OFT_GB (0x01d8) +#define IPIPE_WB2_OFT_B (0x01dc) + +#define IPIPE_WB2_WGN_R (0x01e0) +#define IPIPE_WB2_WGN_GR (0x01e4) +#define IPIPE_WB2_WGN_GB (0x01e8) +#define IPIPE_WB2_WGN_B (0x01ec) + +#define IPIPE_CFA_MODE (0x01f0) +#define IPIPE_CFA_2DIR_HPF_THR (0x01f4) +#define IPIPE_CFA_2DIR_HPF_SLP (0x01f8) +#define IPIPE_CFA_2DIR_MIX_THR (0x01fc) +#define IPIPE_CFA_2DIR_MIX_SLP (0x0200) +#define IPIPE_CFA_2DIR_DIR_TRH (0x0204) +#define IPIPE_CFA_2DIR_DIR_SLP (0x0208) +#define IPIPE_CFA_2DIR_NDWT (0x020c) +#define IPIPE_CFA_MONO_HUE_FRA (0x0210) +#define IPIPE_CFA_MONO_EDG_THR (0x0214) +#define IPIPE_CFA_MONO_THR_MIN (0x0218) + +#define IPIPE_CFA_MONO_THR_SLP (0x021c) +#define IPIPE_CFA_MONO_SLP_MIN (0x0220) +#define IPIPE_CFA_MONO_SLP_SLP (0x0224) +#define IPIPE_CFA_MONO_LPWT (0x0228) + +#define IPIPE_RGB1_MUL_RR (0x022c) +#define IPIPE_RGB1_MUL_GR (0x0230) +#define IPIPE_RGB1_MUL_BR (0x0234) +#define IPIPE_RGB1_MUL_RG (0x0238) +#define IPIPE_RGB1_MUL_GG (0x023c) +#define IPIPE_RGB1_MUL_BG (0x0240) +#define IPIPE_RGB1_MUL_RB (0x0244) +#define IPIPE_RGB1_MUL_GB (0x0248) +#define IPIPE_RGB1_MUL_BB (0x024c) +#define IPIPE_RGB1_OFT_OR (0x0250) +#define IPIPE_RGB1_OFT_OG (0x0254) +#define IPIPE_RGB1_OFT_OB (0x0258) +#define IPIPE_GMM_CFG (0x025c) +#define IPIPE_RGB2_MUL_RR (0x0260) +#define IPIPE_RGB2_MUL_GR (0x0264) +#define IPIPE_RGB2_MUL_BR (0x0268) +#define IPIPE_RGB2_MUL_RG (0x026c) +#define IPIPE_RGB2_MUL_GG (0x0270) +#define IPIPE_RGB2_MUL_BG (0x0274) +#define IPIPE_RGB2_MUL_RB (0x0278) +#define IPIPE_RGB2_MUL_GB (0x027c) +#define IPIPE_RGB2_MUL_BB (0x0280) +#define IPIPE_RGB2_OFT_OR (0x0284) +#define IPIPE_RGB2_OFT_OG (0x0288) +#define IPIPE_RGB2_OFT_OB (0x028c) + +#define IPIPE_YUV_ADJ (0x0294) +#define IPIPE_YUV_MUL_RY (0x0298) +#define IPIPE_YUV_MUL_GY (0x029c) +#define IPIPE_YUV_MUL_BY (0x02a0) +#define IPIPE_YUV_MUL_RCB (0x02a4) +#define IPIPE_YUV_MUL_GCB (0x02a8) +#define IPIPE_YUV_MUL_BCB (0x02ac) +#define IPIPE_YUV_MUL_RCR (0x02b0) +#define IPIPE_YUV_MUL_GCR (0x02b4) +#define IPIPE_YUV_MUL_BCR (0x02b8) +#define IPIPE_YUV_OFT_Y (0x02bc) +#define IPIPE_YUV_OFT_CB (0x02c0) +#define IPIPE_YUV_OFT_CR (0x02c4) + +#define IPIPE_YUV_PHS (0x02c8) +#define IPIPE_YUV_PHS_LPF (1 << 1) +#define IPIPE_YUV_PHS_POS (1 << 0) + +#define IPIPE_YEE_EN (0x02d4) +#define IPIPE_YEE_TYP (0x02d8) +#define IPIPE_YEE_SHF (0x02dc) +#define IPIPE_YEE_MUL_00 (0x02e0) +#define IPIPE_YEE_MUL_01 (0x02e4) +#define IPIPE_YEE_MUL_02 (0x02e8) +#define IPIPE_YEE_MUL_10 (0x02ec) +#define IPIPE_YEE_MUL_11 (0x02f0) +#define IPIPE_YEE_MUL_12 (0x02f4) +#define IPIPE_YEE_MUL_20 (0x02f8) +#define IPIPE_YEE_MUL_21 (0x02fc) +#define IPIPE_YEE_MUL_22 (0x0300) +#define IPIPE_YEE_THR (0x0304) +#define IPIPE_YEE_E_GAN (0x0308) +#define IPIPE_YEE_E_THR_1 (0x030c) +#define IPIPE_YEE_E_THR_2 (0x0310) +#define IPIPE_YEE_G_GAN (0x0314) +#define IPIPE_YEE_G_OFT (0x0318) + +#define IPIPE_CAR_EN (0x031c) +#define IPIPE_CAR_TYP (0x0320) +#define IPIPE_CAR_SW (0x0324) +#define IPIPE_CAR_HPF_TYP (0x0328) +#define IPIPE_CAR_HPF_SHF (0x032c) +#define IPIPE_CAR_HPF_THR (0x0330) +#define IPIPE_CAR_GN1_GAN (0x0334) +#define IPIPE_CAR_GN1_SHF (0x0338) +#define IPIPE_CAR_GN1_MIN (0x033c) +#define IPIPE_CAR_GN2_GAN (0x0340) +#define IPIPE_CAR_GN2_SHF (0x0344) +#define IPIPE_CAR_GN2_MIN (0x0348) +#define IPIPE_CGS_EN (0x034c) +#define IPIPE_CGS_GN1_L_THR (0x0350) +#define IPIPE_CGS_GN1_L_GAIN (0x0354) +#define IPIPE_CGS_GN1_L_SHF (0x0358) +#define IPIPE_CGS_GN1_L_MIN (0x035c) +#define IPIPE_CGS_GN1_H_THR (0x0360) +#define IPIPE_CGS_GN1_H_GAIN (0x0364) +#define IPIPE_CGS_GN1_H_SHF (0x0368) +#define IPIPE_CGS_GN1_H_MIN (0x036c) +#define IPIPE_CGS_GN2_L_THR (0x0370) +#define IPIPE_CGS_GN2_L_GAIN (0x0374) +#define IPIPE_CGS_GN2_L_SHF (0x0378) +#define IPIPE_CGS_GN2_L_MIN (0x037c) + +#define IPIPE_BOX_EN (0x0380) +#define IPIPE_BOX_MODE (0x0384) +#define IPIPE_BOX_TYP (0x0388) +#define IPIPE_BOX_SHF (0x038c) +#define IPIPE_BOX_SDR_SAD_H (0x0390) +#define IPIPE_BOX_SDR_SAD_L (0x0394) + +#define IPIPE_HST_EN (0x039c) +#define IPIPE_HST_MODE (0x03a0) +#define IPIPE_HST_SEL (0x03a4) +#define IPIPE_HST_PARA (0x03a8) +#define IPIPE_HST_0_VPS (0x03ac) +#define IPIPE_HST_0_VSZ (0x03b0) +#define IPIPE_HST_0_HPS (0x03b4) +#define IPIPE_HST_0_HSZ (0x03b8) +#define IPIPE_HST_1_VPS (0x03bc) +#define IPIPE_HST_1_VSZ (0x03c0) +#define IPIPE_HST_1_HPS (0x03c4) +#define IPIPE_HST_1_HSZ (0x03c8) +#define IPIPE_HST_2_VPS (0x03cc) +#define IPIPE_HST_2_VSZ (0x03d0) +#define IPIPE_HST_2_HPS (0x03d4) +#define IPIPE_HST_2_HSZ (0x03d8) +#define IPIPE_HST_3_VPS (0x03dc) +#define IPIPE_HST_3_VSZ (0x03e0) +#define IPIPE_HST_3_HPS (0x03e4) +#define IPIPE_HST_3_HSZ (0x03e8) +#define IPIPE_HST_TBL (0x03ec) +#define IPIPE_HST_MUL_R (0x03f0) +#define IPIPE_HST_MUL_GR (0x03f4) +#define IPIPE_HST_MUL_GB (0x03f8) +#define IPIPE_HST_MUL_B (0x03fc) + +#define IPIPE_BSC_EN (0x0400) +#define IPIPE_BSC_MODE (0x0404) +#define IPIPE_BSC_TYP (0x0408) +#define IPIPE_BSC_ROW_VCT (0x040c) +#define IPIPE_BSC_ROW_SHF (0x0410) +#define IPIPE_BSC_ROW_VPO (0x0414) +#define IPIPE_BSC_ROW_VNU (0x0418) +#define IPIPE_BSC_ROW_VSKIP (0x041c) +#define IPIPE_BSC_ROW_HPO (0x0420) +#define IPIPE_BSC_ROW_HNU (0x0424) +#define IPIPE_BSC_ROW_HSKIP (0x0428) +#define IPIPE_BSC_COL_VCT (0x042c) +#define IPIPE_BSC_COL_SHF (0x0430) +#define IPIPE_BSC_COL_VPO (0x0434) +#define IPIPE_BSC_COL_VNU (0x0438) +#define IPIPE_BSC_COL_VSKIP (0x043c) +#define IPIPE_BSC_COL_HPO (0x0440) +#define IPIPE_BSC_COL_HNU (0x0444) +#define IPIPE_BSC_COL_HSKIP (0x0448) + +#define IPIPE_BSC_EN (0x0400) + +/* ISS ISP Resizer register offsets */ +#define RSZ_REVISION (0x0000) +#define RSZ_SYSCONFIG (0x0004) +#define RSZ_SYSCONFIG_RSZB_CLK_EN (1 << 9) +#define RSZ_SYSCONFIG_RSZA_CLK_EN (1 << 8) + +#define RSZ_IN_FIFO_CTRL (0x000c) +#define RSZ_IN_FIFO_CTRL_THRLD_LOW_MASK (0x1ff << 16) +#define RSZ_IN_FIFO_CTRL_THRLD_LOW_SHIFT 16 +#define RSZ_IN_FIFO_CTRL_THRLD_HIGH_MASK (0x1ff << 0) +#define RSZ_IN_FIFO_CTRL_THRLD_HIGH_SHIFT 0 + +#define RSZ_FRACDIV (0x0008) +#define RSZ_FRACDIV_MASK (0xffff) + +#define RSZ_SRC_EN (0x0020) +#define RSZ_SRC_EN_SRC_EN (1 << 0) + +#define RSZ_SRC_MODE (0x0024) +#define RSZ_SRC_MODE_OST (1 << 0) +#define RSZ_SRC_MODE_WRT (1 << 1) + +#define RSZ_SRC_FMT0 (0x0028) +#define RSZ_SRC_FMT0_BYPASS (1 << 1) +#define RSZ_SRC_FMT0_SEL (1 << 0) + +#define RSZ_SRC_FMT1 (0x002c) +#define RSZ_SRC_FMT1_IN420 (1 << 1) + +#define RSZ_SRC_VPS (0x0030) +#define RSZ_SRC_VSZ (0x0034) +#define RSZ_SRC_HPS (0x0038) +#define RSZ_SRC_HSZ (0x003c) +#define RSZ_DMA_RZA (0x0040) +#define RSZ_DMA_RZB (0x0044) +#define RSZ_DMA_STA (0x0048) +#define RSZ_GCK_MMR (0x004c) +#define RSZ_GCK_MMR_MMR (1 << 0) + +#define RSZ_GCK_SDR (0x0054) +#define RSZ_GCK_SDR_CORE (1 << 0) + +#define RSZ_IRQ_RZA (0x0058) +#define RSZ_IRQ_RZA_MASK (0x1fff) + +#define RSZ_IRQ_RZB (0x005c) +#define RSZ_IRQ_RZB_MASK (0x1fff) + +#define RSZ_YUV_Y_MIN (0x0060) +#define RSZ_YUV_Y_MAX (0x0064) +#define RSZ_YUV_C_MIN (0x0068) +#define RSZ_YUV_C_MAX (0x006c) + +#define RSZ_SEQ (0x0074) +#define RSZ_SEQ_HRVB (1 << 2) +#define RSZ_SEQ_HRVA (1 << 0) + +#define RZA_EN (0x0078) +#define RZA_MODE (0x007c) +#define RZA_MODE_ONE_SHOT (1 << 0) + +#define RZA_420 (0x0080) +#define RZA_I_VPS (0x0084) +#define RZA_I_HPS (0x0088) +#define RZA_O_VSZ (0x008c) +#define RZA_O_HSZ (0x0090) +#define RZA_V_PHS_Y (0x0094) +#define RZA_V_PHS_C (0x0098) +#define RZA_V_DIF (0x009c) +#define RZA_V_TYP (0x00a0) +#define RZA_V_LPF (0x00a4) +#define RZA_H_PHS (0x00a8) +#define RZA_H_DIF (0x00b0) +#define RZA_H_TYP (0x00b4) +#define RZA_H_LPF (0x00b8) +#define RZA_DWN_EN (0x00bc) +#define RZA_SDR_Y_BAD_H (0x00d0) +#define RZA_SDR_Y_BAD_L (0x00d4) +#define RZA_SDR_Y_SAD_H (0x00d8) +#define RZA_SDR_Y_SAD_L (0x00dc) +#define RZA_SDR_Y_OFT (0x00e0) +#define RZA_SDR_Y_PTR_S (0x00e4) +#define RZA_SDR_Y_PTR_E (0x00e8) +#define RZA_SDR_C_BAD_H (0x00ec) +#define RZA_SDR_C_BAD_L (0x00f0) +#define RZA_SDR_C_SAD_H (0x00f4) +#define RZA_SDR_C_SAD_L (0x00f8) +#define RZA_SDR_C_OFT (0x00fc) +#define RZA_SDR_C_PTR_S (0x0100) +#define RZA_SDR_C_PTR_E (0x0104) + +#define RZB_EN (0x0108) +#define RZB_MODE (0x010c) +#define RZB_420 (0x0110) +#define RZB_I_VPS (0x0114) +#define RZB_I_HPS (0x0118) +#define RZB_O_VSZ (0x011c) +#define RZB_O_HSZ (0x0120) + +#define RZB_V_DIF (0x012c) +#define RZB_V_TYP (0x0130) +#define RZB_V_LPF (0x0134) + +#define RZB_H_DIF (0x0140) +#define RZB_H_TYP (0x0144) +#define RZB_H_LPF (0x0148) + +#define RZB_SDR_Y_BAD_H (0x0160) +#define RZB_SDR_Y_BAD_L (0x0164) +#define RZB_SDR_Y_SAD_H (0x0168) +#define RZB_SDR_Y_SAD_L (0x016c) +#define RZB_SDR_Y_OFT (0x0170) +#define RZB_SDR_Y_PTR_S (0x0174) +#define RZB_SDR_Y_PTR_E (0x0178) +#define RZB_SDR_C_BAD_H (0x017c) +#define RZB_SDR_C_BAD_L (0x0180) +#define RZB_SDR_C_SAD_H (0x0184) +#define RZB_SDR_C_SAD_L (0x0188) + +#define RZB_SDR_C_PTR_S (0x0190) +#define RZB_SDR_C_PTR_E (0x0194) + +/* Shared Bitmasks between RZA & RZB */ +#define RSZ_EN_EN (1 << 0) + +#define RSZ_420_CEN (1 << 1) +#define RSZ_420_YEN (1 << 0) + +#define RSZ_I_VPS_MASK (0x1fff) + +#define RSZ_I_HPS_MASK (0x1fff) + +#define RSZ_O_VSZ_MASK (0x1fff) + +#define RSZ_O_HSZ_MASK (0x1ffe) + +#define RSZ_V_PHS_Y_MASK (0x3fff) + +#define RSZ_V_PHS_C_MASK (0x3fff) + +#define RSZ_V_DIF_MASK (0x3fff) + +#define RSZ_V_TYP_C (1 << 1) +#define RSZ_V_TYP_Y (1 << 0) + +#define RSZ_V_LPF_C_MASK (0x3f << 6) +#define RSZ_V_LPF_C_SHIFT 6 +#define RSZ_V_LPF_Y_MASK (0x3f << 0) +#define RSZ_V_LPF_Y_SHIFT 0 + +#define RSZ_H_PHS_MASK (0x3fff) + +#define RSZ_H_DIF_MASK (0x3fff) + +#define RSZ_H_TYP_C (1 << 1) +#define RSZ_H_TYP_Y (1 << 0) + +#define RSZ_H_LPF_C_MASK (0x3f << 6) +#define RSZ_H_LPF_C_SHIFT 6 +#define RSZ_H_LPF_Y_MASK (0x3f << 0) +#define RSZ_H_LPF_Y_SHIFT 0 + +#define RSZ_DWN_EN_DWN_EN (1 << 0) + +#endif /* _OMAP4_ISS_REGS_H_ */ diff --git a/drivers/staging/media/omap4iss/iss_resizer.c b/drivers/staging/media/omap4iss/iss_resizer.c new file mode 100644 index 000000000000..ae831b8985c9 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_resizer.c @@ -0,0 +1,893 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP RESIZER module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <linux/module.h> +#include <linux/uaccess.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/mm.h> +#include <linux/sched.h> + +#include "iss.h" +#include "iss_regs.h" +#include "iss_resizer.h" + +static const unsigned int resizer_fmts[] = { + V4L2_MBUS_FMT_UYVY8_1X16, + V4L2_MBUS_FMT_YUYV8_1X16, +}; + +/* + * resizer_print_status - Print current RESIZER Module register values. + * @resizer: Pointer to ISS ISP RESIZER device. + * + * Also prints other debug information stored in the RESIZER module. + */ +#define RSZ_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###RSZ " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_##name)) + +#define RZA_PRINT_REGISTER(iss, name)\ + dev_dbg(iss->dev, "###RZA " #name "=0x%08x\n", \ + iss_reg_read(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_##name)) + +static void resizer_print_status(struct iss_resizer_device *resizer) +{ + struct iss_device *iss = to_iss_device(resizer); + + dev_dbg(iss->dev, "-------------RESIZER Register dump-------------\n"); + + RSZ_PRINT_REGISTER(iss, SYSCONFIG); + RSZ_PRINT_REGISTER(iss, IN_FIFO_CTRL); + RSZ_PRINT_REGISTER(iss, FRACDIV); + RSZ_PRINT_REGISTER(iss, SRC_EN); + RSZ_PRINT_REGISTER(iss, SRC_MODE); + RSZ_PRINT_REGISTER(iss, SRC_FMT0); + RSZ_PRINT_REGISTER(iss, SRC_FMT1); + RSZ_PRINT_REGISTER(iss, SRC_VPS); + RSZ_PRINT_REGISTER(iss, SRC_VSZ); + RSZ_PRINT_REGISTER(iss, SRC_HPS); + RSZ_PRINT_REGISTER(iss, SRC_HSZ); + RSZ_PRINT_REGISTER(iss, DMA_RZA); + RSZ_PRINT_REGISTER(iss, DMA_RZB); + RSZ_PRINT_REGISTER(iss, DMA_STA); + RSZ_PRINT_REGISTER(iss, GCK_MMR); + RSZ_PRINT_REGISTER(iss, GCK_SDR); + RSZ_PRINT_REGISTER(iss, IRQ_RZA); + RSZ_PRINT_REGISTER(iss, IRQ_RZB); + RSZ_PRINT_REGISTER(iss, YUV_Y_MIN); + RSZ_PRINT_REGISTER(iss, YUV_Y_MAX); + RSZ_PRINT_REGISTER(iss, YUV_C_MIN); + RSZ_PRINT_REGISTER(iss, YUV_C_MAX); + RSZ_PRINT_REGISTER(iss, SEQ); + + RZA_PRINT_REGISTER(iss, EN); + RZA_PRINT_REGISTER(iss, MODE); + RZA_PRINT_REGISTER(iss, 420); + RZA_PRINT_REGISTER(iss, I_VPS); + RZA_PRINT_REGISTER(iss, I_HPS); + RZA_PRINT_REGISTER(iss, O_VSZ); + RZA_PRINT_REGISTER(iss, O_HSZ); + RZA_PRINT_REGISTER(iss, V_PHS_Y); + RZA_PRINT_REGISTER(iss, V_PHS_C); + RZA_PRINT_REGISTER(iss, V_DIF); + RZA_PRINT_REGISTER(iss, V_TYP); + RZA_PRINT_REGISTER(iss, V_LPF); + RZA_PRINT_REGISTER(iss, H_PHS); + RZA_PRINT_REGISTER(iss, H_DIF); + RZA_PRINT_REGISTER(iss, H_TYP); + RZA_PRINT_REGISTER(iss, H_LPF); + RZA_PRINT_REGISTER(iss, DWN_EN); + RZA_PRINT_REGISTER(iss, SDR_Y_BAD_H); + RZA_PRINT_REGISTER(iss, SDR_Y_BAD_L); + RZA_PRINT_REGISTER(iss, SDR_Y_SAD_H); + RZA_PRINT_REGISTER(iss, SDR_Y_SAD_L); + RZA_PRINT_REGISTER(iss, SDR_Y_OFT); + RZA_PRINT_REGISTER(iss, SDR_Y_PTR_S); + RZA_PRINT_REGISTER(iss, SDR_Y_PTR_E); + RZA_PRINT_REGISTER(iss, SDR_C_BAD_H); + RZA_PRINT_REGISTER(iss, SDR_C_BAD_L); + RZA_PRINT_REGISTER(iss, SDR_C_SAD_H); + RZA_PRINT_REGISTER(iss, SDR_C_SAD_L); + RZA_PRINT_REGISTER(iss, SDR_C_OFT); + RZA_PRINT_REGISTER(iss, SDR_C_PTR_S); + RZA_PRINT_REGISTER(iss, SDR_C_PTR_E); + + dev_dbg(iss->dev, "-----------------------------------------------\n"); +} + +/* + * resizer_enable - Enable/Disable RESIZER. + * @enable: enable flag + * + */ +static void resizer_enable(struct iss_resizer_device *resizer, u8 enable) +{ + struct iss_device *iss = to_iss_device(resizer); + + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_EN, + RSZ_SRC_EN_SRC_EN, enable ? RSZ_SRC_EN_SRC_EN : 0); + + /* TODO: Enable RSZB */ + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_EN, RSZ_EN_EN, + enable ? RSZ_EN_EN : 0); +} + +/* ----------------------------------------------------------------------------- + * Format- and pipeline-related configuration helpers + */ + +/* + * resizer_set_outaddr - Set memory address to save output image + * @resizer: Pointer to ISP RESIZER device. + * @addr: 32-bit memory address aligned on 32 byte boundary. + * + * Sets the memory address where the output will be saved. + */ +static void resizer_set_outaddr(struct iss_resizer_device *resizer, u32 addr) +{ + struct iss_device *iss = to_iss_device(resizer); + struct v4l2_mbus_framefmt *informat, *outformat; + + informat = &resizer->formats[RESIZER_PAD_SINK]; + outformat = &resizer->formats[RESIZER_PAD_SOURCE_MEM]; + + /* Save address splitted in Base Address H & L */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_BAD_H, + (addr >> 16) & 0xffff); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_BAD_L, + addr & 0xffff); + + /* SAD = BAD */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_SAD_H, + (addr >> 16) & 0xffff); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_SAD_L, + addr & 0xffff); + + /* Program UV buffer address... Hardcoded to be contiguous! */ + if ((informat->code == V4L2_MBUS_FMT_UYVY8_1X16) && + (outformat->code == V4L2_MBUS_FMT_YUYV8_1_5X8)) { + u32 c_addr = addr + (resizer->video_out.bpl_value * + (outformat->height - 1)); + + /* Ensure Y_BAD_L[6:0] = C_BAD_L[6:0]*/ + if ((c_addr ^ addr) & 0x7f) { + c_addr &= ~0x7f; + c_addr += 0x80; + c_addr |= addr & 0x7f; + } + + /* Save address splitted in Base Address H & L */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_BAD_H, + (c_addr >> 16) & 0xffff); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_BAD_L, + c_addr & 0xffff); + + /* SAD = BAD */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_SAD_H, + (c_addr >> 16) & 0xffff); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_SAD_L, + c_addr & 0xffff); + } +} + +static void resizer_configure(struct iss_resizer_device *resizer) +{ + struct iss_device *iss = to_iss_device(resizer); + struct v4l2_mbus_framefmt *informat, *outformat; + + informat = &resizer->formats[RESIZER_PAD_SINK]; + outformat = &resizer->formats[RESIZER_PAD_SOURCE_MEM]; + + /* Disable pass-through more. Despite its name, the BYPASS bit controls + * pass-through mode, not bypass mode. + */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_FMT0, + RSZ_SRC_FMT0_BYPASS); + + /* Select RSZ input */ + iss_reg_update(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_FMT0, + RSZ_SRC_FMT0_SEL, + resizer->input == RESIZER_INPUT_IPIPEIF ? + RSZ_SRC_FMT0_SEL : 0); + + /* RSZ ignores WEN signal from IPIPE/IPIPEIF */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_MODE, + RSZ_SRC_MODE_WRT); + + /* Set Resizer in free-running mode */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_MODE, + RSZ_SRC_MODE_OST); + + /* Init Resizer A */ + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_MODE, + RZA_MODE_ONE_SHOT); + + /* Set size related things now */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_VPS, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_HPS, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_VSZ, + informat->height - 2); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SRC_HSZ, + informat->width - 1); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_I_VPS, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_I_HPS, 0); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_O_VSZ, + outformat->height - 2); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_O_HSZ, + outformat->width - 1); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_V_DIF, 0x100); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_H_DIF, 0x100); + + /* Buffer output settings */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_PTR_S, 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_PTR_E, + outformat->height - 1); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_Y_OFT, + resizer->video_out.bpl_value); + + /* UYVY -> NV12 conversion */ + if ((informat->code == V4L2_MBUS_FMT_UYVY8_1X16) && + (outformat->code == V4L2_MBUS_FMT_YUYV8_1_5X8)) { + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_420, + RSZ_420_CEN | RSZ_420_YEN); + + /* UV Buffer output settings */ + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_PTR_S, + 0); + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_PTR_E, + outformat->height - 1); + + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_SDR_C_OFT, + resizer->video_out.bpl_value); + } else { + iss_reg_write(iss, OMAP4_ISS_MEM_ISP_RESIZER, RZA_420, 0); + } +} + +/* ----------------------------------------------------------------------------- + * Interrupt handling + */ + +static void resizer_isr_buffer(struct iss_resizer_device *resizer) +{ + struct iss_buffer *buffer; + + /* The whole resizer needs to be stopped. Disabling RZA only produces + * input FIFO overflows, most probably when the next frame is received. + */ + resizer_enable(resizer, 0); + + buffer = omap4iss_video_buffer_next(&resizer->video_out); + if (buffer == NULL) + return; + + resizer_set_outaddr(resizer, buffer->iss_addr); + + resizer_enable(resizer, 1); +} + +/* + * resizer_isif0_isr - Handle ISIF0 event + * @resizer: Pointer to ISP RESIZER device. + * + * Executes LSC deferred enablement before next frame starts. + */ +static void resizer_int_dma_isr(struct iss_resizer_device *resizer) +{ + struct iss_pipeline *pipe = + to_iss_pipeline(&resizer->subdev.entity); + if (pipe->do_propagation) + atomic_inc(&pipe->frame_number); + + resizer_isr_buffer(resizer); +} + +/* + * omap4iss_resizer_isr - Configure resizer during interframe time. + * @resizer: Pointer to ISP RESIZER device. + * @events: RESIZER events + */ +void omap4iss_resizer_isr(struct iss_resizer_device *resizer, u32 events) +{ + struct iss_device *iss = to_iss_device(resizer); + struct iss_pipeline *pipe = + to_iss_pipeline(&resizer->subdev.entity); + + if (events & (ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR | + ISP5_IRQ_RSZ_FIFO_OVF)) { + dev_dbg(iss->dev, "RSZ Err: FIFO_IN_BLK:%d, FIFO_OVF:%d\n", + events & ISP5_IRQ_RSZ_FIFO_IN_BLK_ERR ? 1 : 0, + events & ISP5_IRQ_RSZ_FIFO_OVF ? 1 : 0); + omap4iss_pipeline_cancel_stream(pipe); + } + + if (omap4iss_module_sync_is_stopping(&resizer->wait, + &resizer->stopping)) + return; + + if (events & ISP5_IRQ_RSZ_INT_DMA) + resizer_int_dma_isr(resizer); +} + +/* ----------------------------------------------------------------------------- + * ISS video operations + */ + +static int resizer_video_queue(struct iss_video *video, + struct iss_buffer *buffer) +{ + struct iss_resizer_device *resizer = container_of(video, + struct iss_resizer_device, video_out); + + if (!(resizer->output & RESIZER_OUTPUT_MEMORY)) + return -ENODEV; + + resizer_set_outaddr(resizer, buffer->iss_addr); + + /* + * If streaming was enabled before there was a buffer queued + * or underrun happened in the ISR, the hardware was not enabled + * and DMA queue flag ISS_VIDEO_DMAQUEUE_UNDERRUN is still set. + * Enable it now. + */ + if (video->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_UNDERRUN) { + resizer_enable(resizer, 1); + iss_video_dmaqueue_flags_clr(video); + } + + return 0; +} + +static const struct iss_video_operations resizer_video_ops = { + .queue = resizer_video_queue, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 subdev operations + */ + +/* + * resizer_set_stream - Enable/Disable streaming on the RESIZER module + * @sd: ISP RESIZER V4L2 subdevice + * @enable: Enable/disable stream + */ +static int resizer_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(resizer); + struct iss_video *video_out = &resizer->video_out; + int ret = 0; + + if (resizer->state == ISS_PIPELINE_STREAM_STOPPED) { + if (enable == ISS_PIPELINE_STREAM_STOPPED) + return 0; + + omap4iss_isp_subclk_enable(iss, OMAP4_ISS_ISP_SUBCLK_RSZ); + + iss_reg_set(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_GCK_MMR, + RSZ_GCK_MMR_MMR); + iss_reg_set(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_GCK_SDR, + RSZ_GCK_SDR_CORE); + + /* FIXME: Enable RSZB also */ + iss_reg_set(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SYSCONFIG, + RSZ_SYSCONFIG_RSZA_CLK_EN); + } + + switch (enable) { + case ISS_PIPELINE_STREAM_CONTINUOUS: + + resizer_configure(resizer); + resizer_print_status(resizer); + + /* + * When outputting to memory with no buffer available, let the + * buffer queue handler start the hardware. A DMA queue flag + * ISS_VIDEO_DMAQUEUE_QUEUED will be set as soon as there is + * a buffer available. + */ + if (resizer->output & RESIZER_OUTPUT_MEMORY && + !(video_out->dmaqueue_flags & ISS_VIDEO_DMAQUEUE_QUEUED)) + break; + + atomic_set(&resizer->stopping, 0); + resizer_enable(resizer, 1); + iss_video_dmaqueue_flags_clr(video_out); + break; + + case ISS_PIPELINE_STREAM_STOPPED: + if (resizer->state == ISS_PIPELINE_STREAM_STOPPED) + return 0; + if (omap4iss_module_sync_idle(&sd->entity, &resizer->wait, + &resizer->stopping)) + ret = -ETIMEDOUT; + + resizer_enable(resizer, 0); + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_SYSCONFIG, + RSZ_SYSCONFIG_RSZA_CLK_EN); + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_GCK_SDR, + RSZ_GCK_SDR_CORE); + iss_reg_clr(iss, OMAP4_ISS_MEM_ISP_RESIZER, RSZ_GCK_MMR, + RSZ_GCK_MMR_MMR); + omap4iss_isp_subclk_disable(iss, OMAP4_ISS_ISP_SUBCLK_RSZ); + iss_video_dmaqueue_flags_clr(video_out); + break; + } + + resizer->state = enable; + return ret; +} + +static struct v4l2_mbus_framefmt * +__resizer_get_format(struct iss_resizer_device *resizer, + struct v4l2_subdev_fh *fh, unsigned int pad, + enum v4l2_subdev_format_whence which) +{ + if (which == V4L2_SUBDEV_FORMAT_TRY) + return v4l2_subdev_get_try_format(fh, pad); + else + return &resizer->formats[pad]; +} + +/* + * resizer_try_format - Try video format on a pad + * @resizer: ISS RESIZER device + * @fh : V4L2 subdev file handle + * @pad: Pad number + * @fmt: Format + */ +static void +resizer_try_format(struct iss_resizer_device *resizer, + struct v4l2_subdev_fh *fh, unsigned int pad, + struct v4l2_mbus_framefmt *fmt, + enum v4l2_subdev_format_whence which) +{ + enum v4l2_mbus_pixelcode pixelcode; + struct v4l2_mbus_framefmt *format; + unsigned int width = fmt->width; + unsigned int height = fmt->height; + unsigned int i; + + switch (pad) { + case RESIZER_PAD_SINK: + for (i = 0; i < ARRAY_SIZE(resizer_fmts); i++) { + if (fmt->code == resizer_fmts[i]) + break; + } + + /* If not found, use UYVY as default */ + if (i >= ARRAY_SIZE(resizer_fmts)) + fmt->code = V4L2_MBUS_FMT_UYVY8_1X16; + + /* Clamp the input size. */ + fmt->width = clamp_t(u32, width, 1, 8192); + fmt->height = clamp_t(u32, height, 1, 8192); + break; + + case RESIZER_PAD_SOURCE_MEM: + pixelcode = fmt->code; + format = __resizer_get_format(resizer, fh, RESIZER_PAD_SINK, + which); + memcpy(fmt, format, sizeof(*fmt)); + + if ((pixelcode == V4L2_MBUS_FMT_YUYV8_1_5X8) && + (fmt->code == V4L2_MBUS_FMT_UYVY8_1X16)) + fmt->code = pixelcode; + + /* The data formatter truncates the number of horizontal output + * pixels to a multiple of 16. To avoid clipping data, allow + * callers to request an output size bigger than the input size + * up to the nearest multiple of 16. + */ + fmt->width = clamp_t(u32, width, 32, (fmt->width + 15) & ~15); + fmt->width &= ~15; + fmt->height = clamp_t(u32, height, 32, fmt->height); + break; + + } + + fmt->colorspace = V4L2_COLORSPACE_JPEG; + fmt->field = V4L2_FIELD_NONE; +} + +/* + * resizer_enum_mbus_code - Handle pixel format enumeration + * @sd : pointer to v4l2 subdev structure + * @fh : V4L2 subdev file handle + * @code : pointer to v4l2_subdev_mbus_code_enum structure + * return -EINVAL or zero on success + */ +static int resizer_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + switch (code->pad) { + case RESIZER_PAD_SINK: + if (code->index >= ARRAY_SIZE(resizer_fmts)) + return -EINVAL; + + code->code = resizer_fmts[code->index]; + break; + + case RESIZER_PAD_SOURCE_MEM: + format = __resizer_get_format(resizer, fh, RESIZER_PAD_SINK, + V4L2_SUBDEV_FORMAT_TRY); + + if (code->index == 0) { + code->code = format->code; + break; + } + + switch (format->code) { + case V4L2_MBUS_FMT_UYVY8_1X16: + if (code->index == 1) + code->code = V4L2_MBUS_FMT_YUYV8_1_5X8; + else + return -EINVAL; + break; + default: + if (code->index != 0) + return -EINVAL; + } + + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int resizer_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt format; + + if (fse->index != 0) + return -EINVAL; + + format.code = fse->code; + format.width = 1; + format.height = 1; + resizer_try_format(resizer, fh, fse->pad, &format, + V4L2_SUBDEV_FORMAT_TRY); + fse->min_width = format.width; + fse->min_height = format.height; + + if (format.code != fse->code) + return -EINVAL; + + format.code = fse->code; + format.width = -1; + format.height = -1; + resizer_try_format(resizer, fh, fse->pad, &format, + V4L2_SUBDEV_FORMAT_TRY); + fse->max_width = format.width; + fse->max_height = format.height; + + return 0; +} + +/* + * resizer_get_format - Retrieve the video format on a pad + * @sd : ISP RESIZER V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __resizer_get_format(resizer, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + fmt->format = *format; + return 0; +} + +/* + * resizer_set_format - Set the video format on a pad + * @sd : ISP RESIZER V4L2 subdevice + * @fh : V4L2 subdev file handle + * @fmt: Format + * + * Return 0 on success or -EINVAL if the pad is invalid or doesn't correspond + * to the format type. + */ +static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, + struct v4l2_subdev_format *fmt) +{ + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct v4l2_mbus_framefmt *format; + + format = __resizer_get_format(resizer, fh, fmt->pad, fmt->which); + if (format == NULL) + return -EINVAL; + + resizer_try_format(resizer, fh, fmt->pad, &fmt->format, fmt->which); + *format = fmt->format; + + /* Propagate the format from sink to source */ + if (fmt->pad == RESIZER_PAD_SINK) { + format = __resizer_get_format(resizer, fh, + RESIZER_PAD_SOURCE_MEM, + fmt->which); + *format = fmt->format; + resizer_try_format(resizer, fh, RESIZER_PAD_SOURCE_MEM, format, + fmt->which); + } + + return 0; +} + +static int resizer_link_validate(struct v4l2_subdev *sd, + struct media_link *link, + struct v4l2_subdev_format *source_fmt, + struct v4l2_subdev_format *sink_fmt) +{ + /* Check if the two ends match */ + if (source_fmt->format.width != sink_fmt->format.width || + source_fmt->format.height != sink_fmt->format.height) + return -EPIPE; + + if (source_fmt->format.code != sink_fmt->format.code) + return -EPIPE; + + return 0; +} + +/* + * resizer_init_formats - Initialize formats on all pads + * @sd: ISP RESIZER V4L2 subdevice + * @fh: V4L2 subdev file handle + * + * Initialize all pad formats with default values. If fh is not NULL, try + * formats are initialized on the file handle. Otherwise active formats are + * initialized on the device. + */ +static int resizer_init_formats(struct v4l2_subdev *sd, + struct v4l2_subdev_fh *fh) +{ + struct v4l2_subdev_format format; + + memset(&format, 0, sizeof(format)); + format.pad = RESIZER_PAD_SINK; + format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; + format.format.code = V4L2_MBUS_FMT_UYVY8_1X16; + format.format.width = 4096; + format.format.height = 4096; + resizer_set_format(sd, fh, &format); + + return 0; +} + +/* V4L2 subdev video operations */ +static const struct v4l2_subdev_video_ops resizer_v4l2_video_ops = { + .s_stream = resizer_set_stream, +}; + +/* V4L2 subdev pad operations */ +static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = { + .enum_mbus_code = resizer_enum_mbus_code, + .enum_frame_size = resizer_enum_frame_size, + .get_fmt = resizer_get_format, + .set_fmt = resizer_set_format, + .link_validate = resizer_link_validate, +}; + +/* V4L2 subdev operations */ +static const struct v4l2_subdev_ops resizer_v4l2_ops = { + .video = &resizer_v4l2_video_ops, + .pad = &resizer_v4l2_pad_ops, +}; + +/* V4L2 subdev internal operations */ +static const struct v4l2_subdev_internal_ops resizer_v4l2_internal_ops = { + .open = resizer_init_formats, +}; + +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +/* + * resizer_link_setup - Setup RESIZER connections + * @entity: RESIZER media entity + * @local: Pad at the local end of the link + * @remote: Pad at the remote end of the link + * @flags: Link flags + * + * return -EINVAL or zero on success + */ +static int resizer_link_setup(struct media_entity *entity, + const struct media_pad *local, + const struct media_pad *remote, u32 flags) +{ + struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); + struct iss_resizer_device *resizer = v4l2_get_subdevdata(sd); + struct iss_device *iss = to_iss_device(resizer); + + switch (local->index | media_entity_type(remote->entity)) { + case RESIZER_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: + /* Read from IPIPE or IPIPEIF. */ + if (!(flags & MEDIA_LNK_FL_ENABLED)) { + resizer->input = RESIZER_INPUT_NONE; + break; + } + + if (resizer->input != RESIZER_INPUT_NONE) + return -EBUSY; + + if (remote->entity == &iss->ipipeif.subdev.entity) + resizer->input = RESIZER_INPUT_IPIPEIF; + else if (remote->entity == &iss->ipipe.subdev.entity) + resizer->input = RESIZER_INPUT_IPIPE; + + + break; + + case RESIZER_PAD_SOURCE_MEM | MEDIA_ENT_T_DEVNODE: + /* Write to memory */ + if (flags & MEDIA_LNK_FL_ENABLED) { + if (resizer->output & ~RESIZER_OUTPUT_MEMORY) + return -EBUSY; + resizer->output |= RESIZER_OUTPUT_MEMORY; + } else { + resizer->output &= ~RESIZER_OUTPUT_MEMORY; + } + break; + + default: + return -EINVAL; + } + + return 0; +} + +/* media operations */ +static const struct media_entity_operations resizer_media_ops = { + .link_setup = resizer_link_setup, + .link_validate = v4l2_subdev_link_validate, +}; + +/* + * resizer_init_entities - Initialize V4L2 subdev and media entity + * @resizer: ISS ISP RESIZER module + * + * Return 0 on success and a negative error code on failure. + */ +static int resizer_init_entities(struct iss_resizer_device *resizer) +{ + struct v4l2_subdev *sd = &resizer->subdev; + struct media_pad *pads = resizer->pads; + struct media_entity *me = &sd->entity; + int ret; + + resizer->input = RESIZER_INPUT_NONE; + + v4l2_subdev_init(sd, &resizer_v4l2_ops); + sd->internal_ops = &resizer_v4l2_internal_ops; + strlcpy(sd->name, "OMAP4 ISS ISP resizer", sizeof(sd->name)); + sd->grp_id = 1 << 16; /* group ID for iss subdevs */ + v4l2_set_subdevdata(sd, resizer); + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + + pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + pads[RESIZER_PAD_SOURCE_MEM].flags = MEDIA_PAD_FL_SOURCE; + + me->ops = &resizer_media_ops; + ret = media_entity_init(me, RESIZER_PADS_NUM, pads, 0); + if (ret < 0) + return ret; + + resizer_init_formats(sd, NULL); + + resizer->video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + resizer->video_out.ops = &resizer_video_ops; + resizer->video_out.iss = to_iss_device(resizer); + resizer->video_out.capture_mem = PAGE_ALIGN(4096 * 4096) * 3; + resizer->video_out.bpl_alignment = 32; + resizer->video_out.bpl_zero_padding = 1; + resizer->video_out.bpl_max = 0x1ffe0; + + ret = omap4iss_video_init(&resizer->video_out, "ISP resizer a"); + if (ret < 0) + return ret; + + /* Connect the RESIZER subdev to the video node. */ + ret = media_entity_create_link(&resizer->subdev.entity, + RESIZER_PAD_SOURCE_MEM, + &resizer->video_out.video.entity, 0, 0); + if (ret < 0) + return ret; + + return 0; +} + +void omap4iss_resizer_unregister_entities(struct iss_resizer_device *resizer) +{ + media_entity_cleanup(&resizer->subdev.entity); + + v4l2_device_unregister_subdev(&resizer->subdev); + omap4iss_video_unregister(&resizer->video_out); +} + +int omap4iss_resizer_register_entities(struct iss_resizer_device *resizer, + struct v4l2_device *vdev) +{ + int ret; + + /* Register the subdev and video node. */ + ret = v4l2_device_register_subdev(vdev, &resizer->subdev); + if (ret < 0) + goto error; + + ret = omap4iss_video_register(&resizer->video_out, vdev); + if (ret < 0) + goto error; + + return 0; + +error: + omap4iss_resizer_unregister_entities(resizer); + return ret; +} + +/* ----------------------------------------------------------------------------- + * ISP RESIZER initialisation and cleanup + */ + +/* + * omap4iss_resizer_init - RESIZER module initialization. + * @iss: Device pointer specific to the OMAP4 ISS. + * + * TODO: Get the initialisation values from platform data. + * + * Return 0 on success or a negative error code otherwise. + */ +int omap4iss_resizer_init(struct iss_device *iss) +{ + struct iss_resizer_device *resizer = &iss->resizer; + + resizer->state = ISS_PIPELINE_STREAM_STOPPED; + init_waitqueue_head(&resizer->wait); + + return resizer_init_entities(resizer); +} + +/* + * omap4iss_resizer_cleanup - RESIZER module cleanup. + * @iss: Device pointer specific to the OMAP4 ISS. + */ +void omap4iss_resizer_cleanup(struct iss_device *iss) +{ + /* FIXME: are you sure there's nothing to do? */ +} diff --git a/drivers/staging/media/omap4iss/iss_resizer.h b/drivers/staging/media/omap4iss/iss_resizer.h new file mode 100644 index 000000000000..3727498b06a3 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_resizer.h @@ -0,0 +1,75 @@ +/* + * TI OMAP4 ISS V4L2 Driver - ISP RESIZER module + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_RESIZER_H +#define OMAP4_ISS_RESIZER_H + +#include "iss_video.h" + +enum resizer_input_entity { + RESIZER_INPUT_NONE, + RESIZER_INPUT_IPIPE, + RESIZER_INPUT_IPIPEIF +}; + +#define RESIZER_OUTPUT_MEMORY (1 << 0) + +/* Sink and source RESIZER pads */ +#define RESIZER_PAD_SINK 0 +#define RESIZER_PAD_SOURCE_MEM 1 +#define RESIZER_PADS_NUM 2 + +/* + * struct iss_resizer_device - Structure for the RESIZER module to store its own + * information + * @subdev: V4L2 subdevice + * @pads: Sink and source media entity pads + * @formats: Active video formats + * @input: Active input + * @output: Active outputs + * @video_out: Output video node + * @error: A hardware error occurred during capture + * @state: Streaming state + * @wait: Wait queue used to stop the module + * @stopping: Stopping state + */ +struct iss_resizer_device { + struct v4l2_subdev subdev; + struct media_pad pads[RESIZER_PADS_NUM]; + struct v4l2_mbus_framefmt formats[RESIZER_PADS_NUM]; + + enum resizer_input_entity input; + unsigned int output; + struct iss_video video_out; + unsigned int error; + + enum iss_pipeline_stream_state state; + wait_queue_head_t wait; + atomic_t stopping; +}; + +struct iss_device; + +int omap4iss_resizer_init(struct iss_device *iss); +void omap4iss_resizer_cleanup(struct iss_device *iss); +int omap4iss_resizer_register_entities(struct iss_resizer_device *resizer, + struct v4l2_device *vdev); +void omap4iss_resizer_unregister_entities(struct iss_resizer_device *resizer); + +int omap4iss_resizer_busy(struct iss_resizer_device *resizer); +void omap4iss_resizer_isr(struct iss_resizer_device *resizer, u32 events); +void omap4iss_resizer_restore_context(struct iss_device *iss); +void omap4iss_resizer_max_rate(struct iss_resizer_device *resizer, + unsigned int *max_rate); + +#endif /* OMAP4_ISS_RESIZER_H */ diff --git a/drivers/staging/media/omap4iss/iss_video.c b/drivers/staging/media/omap4iss/iss_video.c new file mode 100644 index 000000000000..482b72fb819f --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_video.c @@ -0,0 +1,1226 @@ +/* + * TI OMAP4 ISS V4L2 Driver - Generic video node + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <asm/cacheflush.h> +#include <linux/clk.h> +#include <linux/mm.h> +#include <linux/pagemap.h> +#include <linux/sched.h> +#include <linux/slab.h> +#include <linux/vmalloc.h> +#include <linux/module.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-ioctl.h> + +#include "iss_video.h" +#include "iss.h" + + +/* ----------------------------------------------------------------------------- + * Helper functions + */ + +static struct iss_format_info formats[] = { + { V4L2_MBUS_FMT_Y8_1X8, V4L2_MBUS_FMT_Y8_1X8, + V4L2_MBUS_FMT_Y8_1X8, V4L2_MBUS_FMT_Y8_1X8, + V4L2_PIX_FMT_GREY, 8, "Greyscale 8 bpp", }, + { V4L2_MBUS_FMT_Y10_1X10, V4L2_MBUS_FMT_Y10_1X10, + V4L2_MBUS_FMT_Y10_1X10, V4L2_MBUS_FMT_Y8_1X8, + V4L2_PIX_FMT_Y10, 10, "Greyscale 10 bpp", }, + { V4L2_MBUS_FMT_Y12_1X12, V4L2_MBUS_FMT_Y10_1X10, + V4L2_MBUS_FMT_Y12_1X12, V4L2_MBUS_FMT_Y8_1X8, + V4L2_PIX_FMT_Y12, 12, "Greyscale 12 bpp", }, + { V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_MBUS_FMT_SBGGR8_1X8, V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_PIX_FMT_SBGGR8, 8, "BGGR Bayer 8 bpp", }, + { V4L2_MBUS_FMT_SGBRG8_1X8, V4L2_MBUS_FMT_SGBRG8_1X8, + V4L2_MBUS_FMT_SGBRG8_1X8, V4L2_MBUS_FMT_SGBRG8_1X8, + V4L2_PIX_FMT_SGBRG8, 8, "GBRG Bayer 8 bpp", }, + { V4L2_MBUS_FMT_SGRBG8_1X8, V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_MBUS_FMT_SGRBG8_1X8, V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_PIX_FMT_SGRBG8, 8, "GRBG Bayer 8 bpp", }, + { V4L2_MBUS_FMT_SRGGB8_1X8, V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_MBUS_FMT_SRGGB8_1X8, V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_PIX_FMT_SRGGB8, 8, "RGGB Bayer 8 bpp", }, + { V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8, + V4L2_MBUS_FMT_SGRBG10_1X10, 0, + V4L2_PIX_FMT_SGRBG10DPCM8, 8, "GRBG Bayer 10 bpp DPCM8", }, + { V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_MBUS_FMT_SBGGR10_1X10, + V4L2_MBUS_FMT_SBGGR10_1X10, V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_PIX_FMT_SBGGR10, 10, "BGGR Bayer 10 bpp", }, + { V4L2_MBUS_FMT_SGBRG10_1X10, V4L2_MBUS_FMT_SGBRG10_1X10, + V4L2_MBUS_FMT_SGBRG10_1X10, V4L2_MBUS_FMT_SGBRG8_1X8, + V4L2_PIX_FMT_SGBRG10, 10, "GBRG Bayer 10 bpp", }, + { V4L2_MBUS_FMT_SGRBG10_1X10, V4L2_MBUS_FMT_SGRBG10_1X10, + V4L2_MBUS_FMT_SGRBG10_1X10, V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_PIX_FMT_SGRBG10, 10, "GRBG Bayer 10 bpp", }, + { V4L2_MBUS_FMT_SRGGB10_1X10, V4L2_MBUS_FMT_SRGGB10_1X10, + V4L2_MBUS_FMT_SRGGB10_1X10, V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_PIX_FMT_SRGGB10, 10, "RGGB Bayer 10 bpp", }, + { V4L2_MBUS_FMT_SBGGR12_1X12, V4L2_MBUS_FMT_SBGGR10_1X10, + V4L2_MBUS_FMT_SBGGR12_1X12, V4L2_MBUS_FMT_SBGGR8_1X8, + V4L2_PIX_FMT_SBGGR12, 12, "BGGR Bayer 12 bpp", }, + { V4L2_MBUS_FMT_SGBRG12_1X12, V4L2_MBUS_FMT_SGBRG10_1X10, + V4L2_MBUS_FMT_SGBRG12_1X12, V4L2_MBUS_FMT_SGBRG8_1X8, + V4L2_PIX_FMT_SGBRG12, 12, "GBRG Bayer 12 bpp", }, + { V4L2_MBUS_FMT_SGRBG12_1X12, V4L2_MBUS_FMT_SGRBG10_1X10, + V4L2_MBUS_FMT_SGRBG12_1X12, V4L2_MBUS_FMT_SGRBG8_1X8, + V4L2_PIX_FMT_SGRBG12, 12, "GRBG Bayer 12 bpp", }, + { V4L2_MBUS_FMT_SRGGB12_1X12, V4L2_MBUS_FMT_SRGGB10_1X10, + V4L2_MBUS_FMT_SRGGB12_1X12, V4L2_MBUS_FMT_SRGGB8_1X8, + V4L2_PIX_FMT_SRGGB12, 12, "RGGB Bayer 12 bpp", }, + { V4L2_MBUS_FMT_UYVY8_1X16, V4L2_MBUS_FMT_UYVY8_1X16, + V4L2_MBUS_FMT_UYVY8_1X16, 0, + V4L2_PIX_FMT_UYVY, 16, "YUV 4:2:2 (UYVY)", }, + { V4L2_MBUS_FMT_YUYV8_1X16, V4L2_MBUS_FMT_YUYV8_1X16, + V4L2_MBUS_FMT_YUYV8_1X16, 0, + V4L2_PIX_FMT_YUYV, 16, "YUV 4:2:2 (YUYV)", }, + { V4L2_MBUS_FMT_YUYV8_1_5X8, V4L2_MBUS_FMT_YUYV8_1_5X8, + V4L2_MBUS_FMT_YUYV8_1_5X8, 0, + V4L2_PIX_FMT_NV12, 8, "YUV 4:2:0 (NV12)", }, +}; + +const struct iss_format_info * +omap4iss_video_format_info(enum v4l2_mbus_pixelcode code) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formats); ++i) { + if (formats[i].code == code) + return &formats[i]; + } + + return NULL; +} + +/* + * iss_video_mbus_to_pix - Convert v4l2_mbus_framefmt to v4l2_pix_format + * @video: ISS video instance + * @mbus: v4l2_mbus_framefmt format (input) + * @pix: v4l2_pix_format format (output) + * + * Fill the output pix structure with information from the input mbus format. + * The bytesperline and sizeimage fields are computed from the requested bytes + * per line value in the pix format and information from the video instance. + * + * Return the number of padding bytes at end of line. + */ +static unsigned int iss_video_mbus_to_pix(const struct iss_video *video, + const struct v4l2_mbus_framefmt *mbus, + struct v4l2_pix_format *pix) +{ + unsigned int bpl = pix->bytesperline; + unsigned int min_bpl; + unsigned int i; + + memset(pix, 0, sizeof(*pix)); + pix->width = mbus->width; + pix->height = mbus->height; + + /* Skip the last format in the loop so that it will be selected if no + * match is found. + */ + for (i = 0; i < ARRAY_SIZE(formats) - 1; ++i) { + if (formats[i].code == mbus->code) + break; + } + + min_bpl = pix->width * ALIGN(formats[i].bpp, 8) / 8; + + /* Clamp the requested bytes per line value. If the maximum bytes per + * line value is zero, the module doesn't support user configurable line + * sizes. Override the requested value with the minimum in that case. + */ + if (video->bpl_max) + bpl = clamp(bpl, min_bpl, video->bpl_max); + else + bpl = min_bpl; + + if (!video->bpl_zero_padding || bpl != min_bpl) + bpl = ALIGN(bpl, video->bpl_alignment); + + pix->pixelformat = formats[i].pixelformat; + pix->bytesperline = bpl; + pix->sizeimage = pix->bytesperline * pix->height; + pix->colorspace = mbus->colorspace; + pix->field = mbus->field; + + /* FIXME: Special case for NV12! We should make this nicer... */ + if (pix->pixelformat == V4L2_PIX_FMT_NV12) + pix->sizeimage += (pix->bytesperline * pix->height) / 2; + + return bpl - min_bpl; +} + +static void iss_video_pix_to_mbus(const struct v4l2_pix_format *pix, + struct v4l2_mbus_framefmt *mbus) +{ + unsigned int i; + + memset(mbus, 0, sizeof(*mbus)); + mbus->width = pix->width; + mbus->height = pix->height; + + for (i = 0; i < ARRAY_SIZE(formats); ++i) { + if (formats[i].pixelformat == pix->pixelformat) + break; + } + + if (WARN_ON(i == ARRAY_SIZE(formats))) + return; + + mbus->code = formats[i].code; + mbus->colorspace = pix->colorspace; + mbus->field = pix->field; +} + +static struct v4l2_subdev * +iss_video_remote_subdev(struct iss_video *video, u32 *pad) +{ + struct media_pad *remote; + + remote = media_entity_remote_pad(&video->pad); + + if (remote == NULL || + media_entity_type(remote->entity) != MEDIA_ENT_T_V4L2_SUBDEV) + return NULL; + + if (pad) + *pad = remote->index; + + return media_entity_to_v4l2_subdev(remote->entity); +} + +/* Return a pointer to the ISS video instance at the far end of the pipeline. */ +static struct iss_video * +iss_video_far_end(struct iss_video *video) +{ + struct media_entity_graph graph; + struct media_entity *entity = &video->video.entity; + struct media_device *mdev = entity->parent; + struct iss_video *far_end = NULL; + + mutex_lock(&mdev->graph_mutex); + media_entity_graph_walk_start(&graph, entity); + + while ((entity = media_entity_graph_walk_next(&graph))) { + if (entity == &video->video.entity) + continue; + + if (media_entity_type(entity) != MEDIA_ENT_T_DEVNODE) + continue; + + far_end = to_iss_video(media_entity_to_video_device(entity)); + if (far_end->type != video->type) + break; + + far_end = NULL; + } + + mutex_unlock(&mdev->graph_mutex); + return far_end; +} + +static int +__iss_video_get_format(struct iss_video *video, + struct v4l2_mbus_framefmt *format) +{ + struct v4l2_subdev_format fmt; + struct v4l2_subdev *subdev; + u32 pad; + int ret; + + subdev = iss_video_remote_subdev(video, &pad); + if (subdev == NULL) + return -EINVAL; + + memset(&fmt, 0, sizeof(fmt)); + fmt.pad = pad; + fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; + + mutex_lock(&video->mutex); + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); + mutex_unlock(&video->mutex); + + if (ret) + return ret; + + *format = fmt.format; + return 0; +} + +static int +iss_video_check_format(struct iss_video *video, struct iss_video_fh *vfh) +{ + struct v4l2_mbus_framefmt format; + struct v4l2_pix_format pixfmt; + int ret; + + ret = __iss_video_get_format(video, &format); + if (ret < 0) + return ret; + + pixfmt.bytesperline = 0; + ret = iss_video_mbus_to_pix(video, &format, &pixfmt); + + if (vfh->format.fmt.pix.pixelformat != pixfmt.pixelformat || + vfh->format.fmt.pix.height != pixfmt.height || + vfh->format.fmt.pix.width != pixfmt.width || + vfh->format.fmt.pix.bytesperline != pixfmt.bytesperline || + vfh->format.fmt.pix.sizeimage != pixfmt.sizeimage) + return -EINVAL; + + return ret; +} + +/* ----------------------------------------------------------------------------- + * Video queue operations + */ + +static int iss_video_queue_setup(struct vb2_queue *vq, + const struct v4l2_format *fmt, + unsigned int *count, unsigned int *num_planes, + unsigned int sizes[], void *alloc_ctxs[]) +{ + struct iss_video_fh *vfh = vb2_get_drv_priv(vq); + struct iss_video *video = vfh->video; + + /* Revisit multi-planar support for NV12 */ + *num_planes = 1; + + sizes[0] = vfh->format.fmt.pix.sizeimage; + if (sizes[0] == 0) + return -EINVAL; + + alloc_ctxs[0] = video->alloc_ctx; + + *count = min(*count, video->capture_mem / PAGE_ALIGN(sizes[0])); + + return 0; +} + +static void iss_video_buf_cleanup(struct vb2_buffer *vb) +{ + struct iss_buffer *buffer = container_of(vb, struct iss_buffer, vb); + + if (buffer->iss_addr) + buffer->iss_addr = 0; +} + +static int iss_video_buf_prepare(struct vb2_buffer *vb) +{ + struct iss_video_fh *vfh = vb2_get_drv_priv(vb->vb2_queue); + struct iss_buffer *buffer = container_of(vb, struct iss_buffer, vb); + struct iss_video *video = vfh->video; + unsigned long size = vfh->format.fmt.pix.sizeimage; + dma_addr_t addr; + + if (vb2_plane_size(vb, 0) < size) + return -ENOBUFS; + + /* Refuse to prepare the buffer is the video node has registered an + * error. We don't need to take any lock here as the operation is + * inherently racy. The authoritative check will be performed in the + * queue handler, which can't return an error, this check is just a best + * effort to notify userspace as early as possible. + */ + if (unlikely(video->error)) + return -EIO; + + addr = vb2_dma_contig_plane_dma_addr(vb, 0); + if (!IS_ALIGNED(addr, 32)) { + dev_dbg(video->iss->dev, + "Buffer address must be aligned to 32 bytes boundary.\n"); + return -EINVAL; + } + + vb2_set_plane_payload(vb, 0, size); + buffer->iss_addr = addr; + return 0; +} + +static void iss_video_buf_queue(struct vb2_buffer *vb) +{ + struct iss_video_fh *vfh = vb2_get_drv_priv(vb->vb2_queue); + struct iss_video *video = vfh->video; + struct iss_buffer *buffer = container_of(vb, struct iss_buffer, vb); + struct iss_pipeline *pipe = to_iss_pipeline(&video->video.entity); + unsigned long flags; + bool empty; + + spin_lock_irqsave(&video->qlock, flags); + + if (unlikely(video->error)) { + vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); + spin_unlock_irqrestore(&video->qlock, flags); + return; + } + + empty = list_empty(&video->dmaqueue); + list_add_tail(&buffer->list, &video->dmaqueue); + + spin_unlock_irqrestore(&video->qlock, flags); + + if (empty) { + enum iss_pipeline_state state; + unsigned int start; + + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + state = ISS_PIPELINE_QUEUE_OUTPUT; + else + state = ISS_PIPELINE_QUEUE_INPUT; + + spin_lock_irqsave(&pipe->lock, flags); + pipe->state |= state; + video->ops->queue(video, buffer); + video->dmaqueue_flags |= ISS_VIDEO_DMAQUEUE_QUEUED; + + start = iss_pipeline_ready(pipe); + if (start) + pipe->state |= ISS_PIPELINE_STREAM; + spin_unlock_irqrestore(&pipe->lock, flags); + + if (start) + omap4iss_pipeline_set_stream(pipe, + ISS_PIPELINE_STREAM_SINGLESHOT); + } +} + +static struct vb2_ops iss_video_vb2ops = { + .queue_setup = iss_video_queue_setup, + .buf_prepare = iss_video_buf_prepare, + .buf_queue = iss_video_buf_queue, + .buf_cleanup = iss_video_buf_cleanup, +}; + +/* + * omap4iss_video_buffer_next - Complete the current buffer and return the next + * @video: ISS video object + * + * Remove the current video buffer from the DMA queue and fill its timestamp, + * field count and state fields before waking up its completion handler. + * + * For capture video nodes, the buffer state is set to VB2_BUF_STATE_DONE if no + * error has been flagged in the pipeline, or to VB2_BUF_STATE_ERROR otherwise. + * + * The DMA queue is expected to contain at least one buffer. + * + * Return a pointer to the next buffer in the DMA queue, or NULL if the queue is + * empty. + */ +struct iss_buffer *omap4iss_video_buffer_next(struct iss_video *video) +{ + struct iss_pipeline *pipe = to_iss_pipeline(&video->video.entity); + enum iss_pipeline_state state; + struct iss_buffer *buf; + unsigned long flags; + struct timespec ts; + + spin_lock_irqsave(&video->qlock, flags); + if (WARN_ON(list_empty(&video->dmaqueue))) { + spin_unlock_irqrestore(&video->qlock, flags); + return NULL; + } + + buf = list_first_entry(&video->dmaqueue, struct iss_buffer, + list); + list_del(&buf->list); + spin_unlock_irqrestore(&video->qlock, flags); + + ktime_get_ts(&ts); + buf->vb.v4l2_buf.timestamp.tv_sec = ts.tv_sec; + buf->vb.v4l2_buf.timestamp.tv_usec = ts.tv_nsec / NSEC_PER_USEC; + + /* Do frame number propagation only if this is the output video node. + * Frame number either comes from the CSI receivers or it gets + * incremented here if H3A is not active. + * Note: There is no guarantee that the output buffer will finish + * first, so the input number might lag behind by 1 in some cases. + */ + if (video == pipe->output && !pipe->do_propagation) + buf->vb.v4l2_buf.sequence = + atomic_inc_return(&pipe->frame_number); + else + buf->vb.v4l2_buf.sequence = atomic_read(&pipe->frame_number); + + vb2_buffer_done(&buf->vb, pipe->error ? + VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); + pipe->error = false; + + spin_lock_irqsave(&video->qlock, flags); + if (list_empty(&video->dmaqueue)) { + spin_unlock_irqrestore(&video->qlock, flags); + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + state = ISS_PIPELINE_QUEUE_OUTPUT + | ISS_PIPELINE_STREAM; + else + state = ISS_PIPELINE_QUEUE_INPUT + | ISS_PIPELINE_STREAM; + + spin_lock_irqsave(&pipe->lock, flags); + pipe->state &= ~state; + if (video->pipe.stream_state == ISS_PIPELINE_STREAM_CONTINUOUS) + video->dmaqueue_flags |= ISS_VIDEO_DMAQUEUE_UNDERRUN; + spin_unlock_irqrestore(&pipe->lock, flags); + return NULL; + } + + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && pipe->input != NULL) { + spin_lock_irqsave(&pipe->lock, flags); + pipe->state &= ~ISS_PIPELINE_STREAM; + spin_unlock_irqrestore(&pipe->lock, flags); + } + + buf = list_first_entry(&video->dmaqueue, struct iss_buffer, + list); + spin_unlock_irqrestore(&video->qlock, flags); + buf->vb.state = VB2_BUF_STATE_ACTIVE; + return buf; +} + +/* + * omap4iss_video_cancel_stream - Cancel stream on a video node + * @video: ISS video object + * + * Cancelling a stream mark all buffers on the video node as erroneous and makes + * sure no new buffer can be queued. + */ +void omap4iss_video_cancel_stream(struct iss_video *video) +{ + unsigned long flags; + + spin_lock_irqsave(&video->qlock, flags); + + while (!list_empty(&video->dmaqueue)) { + struct iss_buffer *buf; + + buf = list_first_entry(&video->dmaqueue, struct iss_buffer, + list); + list_del(&buf->list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + } + + video->error = true; + + spin_unlock_irqrestore(&video->qlock, flags); +} + +/* ----------------------------------------------------------------------------- + * V4L2 ioctls + */ + +static int +iss_video_querycap(struct file *file, void *fh, struct v4l2_capability *cap) +{ + struct iss_video *video = video_drvdata(file); + + strlcpy(cap->driver, ISS_VIDEO_DRIVER_NAME, sizeof(cap->driver)); + strlcpy(cap->card, video->video.name, sizeof(cap->card)); + strlcpy(cap->bus_info, "media", sizeof(cap->bus_info)); + + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; + else + cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; + + cap->capabilities = V4L2_CAP_DEVICE_CAPS | V4L2_CAP_STREAMING + | V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT; + + return 0; +} + +static int +iss_video_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_mbus_framefmt format; + unsigned int index = f->index; + unsigned int i; + int ret; + + if (f->type != video->type) + return -EINVAL; + + ret = __iss_video_get_format(video, &format); + if (ret < 0) + return ret; + + for (i = 0; i < ARRAY_SIZE(formats); ++i) { + const struct iss_format_info *info = &formats[i]; + + if (format.code != info->code) + continue; + + if (index == 0) { + f->pixelformat = info->pixelformat; + strlcpy(f->description, info->description, + sizeof(f->description)); + return 0; + } + + index--; + } + + return -EINVAL; +} + +static int +iss_video_get_format(struct file *file, void *fh, struct v4l2_format *format) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + + if (format->type != video->type) + return -EINVAL; + + mutex_lock(&video->mutex); + *format = vfh->format; + mutex_unlock(&video->mutex); + + return 0; +} + +static int +iss_video_set_format(struct file *file, void *fh, struct v4l2_format *format) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + struct v4l2_mbus_framefmt fmt; + + if (format->type != video->type) + return -EINVAL; + + mutex_lock(&video->mutex); + + /* Fill the bytesperline and sizeimage fields by converting to media bus + * format and back to pixel format. + */ + iss_video_pix_to_mbus(&format->fmt.pix, &fmt); + iss_video_mbus_to_pix(video, &fmt, &format->fmt.pix); + + vfh->format = *format; + + mutex_unlock(&video->mutex); + return 0; +} + +static int +iss_video_try_format(struct file *file, void *fh, struct v4l2_format *format) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_subdev_format fmt; + struct v4l2_subdev *subdev; + u32 pad; + int ret; + + if (format->type != video->type) + return -EINVAL; + + subdev = iss_video_remote_subdev(video, &pad); + if (subdev == NULL) + return -EINVAL; + + iss_video_pix_to_mbus(&format->fmt.pix, &fmt.format); + + fmt.pad = pad; + fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt); + if (ret) + return ret; + + iss_video_mbus_to_pix(video, &fmt.format, &format->fmt.pix); + return 0; +} + +static int +iss_video_cropcap(struct file *file, void *fh, struct v4l2_cropcap *cropcap) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_subdev *subdev; + int ret; + + subdev = iss_video_remote_subdev(video, NULL); + if (subdev == NULL) + return -EINVAL; + + mutex_lock(&video->mutex); + ret = v4l2_subdev_call(subdev, video, cropcap, cropcap); + mutex_unlock(&video->mutex); + + return ret == -ENOIOCTLCMD ? -ENOTTY : ret; +} + +static int +iss_video_get_crop(struct file *file, void *fh, struct v4l2_crop *crop) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_subdev_format format; + struct v4l2_subdev *subdev; + u32 pad; + int ret; + + subdev = iss_video_remote_subdev(video, &pad); + if (subdev == NULL) + return -EINVAL; + + /* Try the get crop operation first and fallback to get format if not + * implemented. + */ + ret = v4l2_subdev_call(subdev, video, g_crop, crop); + if (ret != -ENOIOCTLCMD) + return ret; + + format.pad = pad; + format.which = V4L2_SUBDEV_FORMAT_ACTIVE; + ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &format); + if (ret < 0) + return ret == -ENOIOCTLCMD ? -ENOTTY : ret; + + crop->c.left = 0; + crop->c.top = 0; + crop->c.width = format.format.width; + crop->c.height = format.format.height; + + return 0; +} + +static int +iss_video_set_crop(struct file *file, void *fh, const struct v4l2_crop *crop) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_subdev *subdev; + int ret; + + subdev = iss_video_remote_subdev(video, NULL); + if (subdev == NULL) + return -EINVAL; + + mutex_lock(&video->mutex); + ret = v4l2_subdev_call(subdev, video, s_crop, crop); + mutex_unlock(&video->mutex); + + return ret == -ENOIOCTLCMD ? -ENOTTY : ret; +} + +static int +iss_video_get_param(struct file *file, void *fh, struct v4l2_streamparm *a) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + + if (video->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || + video->type != a->type) + return -EINVAL; + + memset(a, 0, sizeof(*a)); + a->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; + a->parm.output.capability = V4L2_CAP_TIMEPERFRAME; + a->parm.output.timeperframe = vfh->timeperframe; + + return 0; +} + +static int +iss_video_set_param(struct file *file, void *fh, struct v4l2_streamparm *a) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + + if (video->type != V4L2_BUF_TYPE_VIDEO_OUTPUT || + video->type != a->type) + return -EINVAL; + + if (a->parm.output.timeperframe.denominator == 0) + a->parm.output.timeperframe.denominator = 1; + + vfh->timeperframe = a->parm.output.timeperframe; + + return 0; +} + +static int +iss_video_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *rb) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + + return vb2_reqbufs(&vfh->queue, rb); +} + +static int +iss_video_querybuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + + return vb2_querybuf(&vfh->queue, b); +} + +static int +iss_video_qbuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + + return vb2_qbuf(&vfh->queue, b); +} + +static int +iss_video_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + + return vb2_dqbuf(&vfh->queue, b, file->f_flags & O_NONBLOCK); +} + +/* + * Stream management + * + * Every ISS pipeline has a single input and a single output. The input can be + * either a sensor or a video node. The output is always a video node. + * + * As every pipeline has an output video node, the ISS video objects at the + * pipeline output stores the pipeline state. It tracks the streaming state of + * both the input and output, as well as the availability of buffers. + * + * In sensor-to-memory mode, frames are always available at the pipeline input. + * Starting the sensor usually requires I2C transfers and must be done in + * interruptible context. The pipeline is started and stopped synchronously + * to the stream on/off commands. All modules in the pipeline will get their + * subdev set stream handler called. The module at the end of the pipeline must + * delay starting the hardware until buffers are available at its output. + * + * In memory-to-memory mode, starting/stopping the stream requires + * synchronization between the input and output. ISS modules can't be stopped + * in the middle of a frame, and at least some of the modules seem to become + * busy as soon as they're started, even if they don't receive a frame start + * event. For that reason frames need to be processed in single-shot mode. The + * driver needs to wait until a frame is completely processed and written to + * memory before restarting the pipeline for the next frame. Pipelined + * processing might be possible but requires more testing. + * + * Stream start must be delayed until buffers are available at both the input + * and output. The pipeline must be started in the videobuf queue callback with + * the buffers queue spinlock held. The modules subdev set stream operation must + * not sleep. + */ +static int +iss_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + struct media_entity_graph graph; + struct media_entity *entity; + enum iss_pipeline_state state; + struct iss_pipeline *pipe; + struct iss_video *far_end; + unsigned long flags; + int ret; + + if (type != video->type) + return -EINVAL; + + mutex_lock(&video->stream_lock); + + /* Start streaming on the pipeline. No link touching an entity in the + * pipeline can be activated or deactivated once streaming is started. + */ + pipe = video->video.entity.pipe + ? to_iss_pipeline(&video->video.entity) : &video->pipe; + pipe->external = NULL; + pipe->external_rate = 0; + pipe->external_bpp = 0; + pipe->entities = 0; + + if (video->iss->pdata->set_constraints) + video->iss->pdata->set_constraints(video->iss, true); + + ret = media_entity_pipeline_start(&video->video.entity, &pipe->pipe); + if (ret < 0) + goto err_media_entity_pipeline_start; + + entity = &video->video.entity; + media_entity_graph_walk_start(&graph, entity); + while ((entity = media_entity_graph_walk_next(&graph))) + pipe->entities |= 1 << entity->id; + + /* Verify that the currently configured format matches the output of + * the connected subdev. + */ + ret = iss_video_check_format(video, vfh); + if (ret < 0) + goto err_iss_video_check_format; + + video->bpl_padding = ret; + video->bpl_value = vfh->format.fmt.pix.bytesperline; + + /* Find the ISS video node connected at the far end of the pipeline and + * update the pipeline. + */ + far_end = iss_video_far_end(video); + + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + state = ISS_PIPELINE_STREAM_OUTPUT | ISS_PIPELINE_IDLE_OUTPUT; + pipe->input = far_end; + pipe->output = video; + } else { + if (far_end == NULL) { + ret = -EPIPE; + goto err_iss_video_check_format; + } + + state = ISS_PIPELINE_STREAM_INPUT | ISS_PIPELINE_IDLE_INPUT; + pipe->input = video; + pipe->output = far_end; + } + + spin_lock_irqsave(&pipe->lock, flags); + pipe->state &= ~ISS_PIPELINE_STREAM; + pipe->state |= state; + spin_unlock_irqrestore(&pipe->lock, flags); + + /* Set the maximum time per frame as the value requested by userspace. + * This is a soft limit that can be overridden if the hardware doesn't + * support the request limit. + */ + if (video->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) + pipe->max_timeperframe = vfh->timeperframe; + + video->queue = &vfh->queue; + INIT_LIST_HEAD(&video->dmaqueue); + spin_lock_init(&video->qlock); + video->error = false; + atomic_set(&pipe->frame_number, -1); + + ret = vb2_streamon(&vfh->queue, type); + if (ret < 0) + goto err_iss_video_check_format; + + /* In sensor-to-memory mode, the stream can be started synchronously + * to the stream on command. In memory-to-memory mode, it will be + * started when buffers are queued on both the input and output. + */ + if (pipe->input == NULL) { + unsigned long flags; + ret = omap4iss_pipeline_set_stream(pipe, + ISS_PIPELINE_STREAM_CONTINUOUS); + if (ret < 0) + goto err_omap4iss_set_stream; + spin_lock_irqsave(&video->qlock, flags); + if (list_empty(&video->dmaqueue)) + video->dmaqueue_flags |= ISS_VIDEO_DMAQUEUE_UNDERRUN; + spin_unlock_irqrestore(&video->qlock, flags); + } + + mutex_unlock(&video->stream_lock); + return 0; + +err_omap4iss_set_stream: + vb2_streamoff(&vfh->queue, type); +err_iss_video_check_format: + media_entity_pipeline_stop(&video->video.entity); +err_media_entity_pipeline_start: + if (video->iss->pdata->set_constraints) + video->iss->pdata->set_constraints(video->iss, false); + video->queue = NULL; + + mutex_unlock(&video->stream_lock); + return ret; +} + +static int +iss_video_streamoff(struct file *file, void *fh, enum v4l2_buf_type type) +{ + struct iss_video_fh *vfh = to_iss_video_fh(fh); + struct iss_video *video = video_drvdata(file); + struct iss_pipeline *pipe = to_iss_pipeline(&video->video.entity); + enum iss_pipeline_state state; + unsigned long flags; + + if (type != video->type) + return -EINVAL; + + mutex_lock(&video->stream_lock); + + if (!vb2_is_streaming(&vfh->queue)) + goto done; + + /* Update the pipeline state. */ + if (video->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + state = ISS_PIPELINE_STREAM_OUTPUT + | ISS_PIPELINE_QUEUE_OUTPUT; + else + state = ISS_PIPELINE_STREAM_INPUT + | ISS_PIPELINE_QUEUE_INPUT; + + spin_lock_irqsave(&pipe->lock, flags); + pipe->state &= ~state; + spin_unlock_irqrestore(&pipe->lock, flags); + + /* Stop the stream. */ + omap4iss_pipeline_set_stream(pipe, ISS_PIPELINE_STREAM_STOPPED); + vb2_streamoff(&vfh->queue, type); + video->queue = NULL; + + if (video->iss->pdata->set_constraints) + video->iss->pdata->set_constraints(video->iss, false); + media_entity_pipeline_stop(&video->video.entity); + +done: + mutex_unlock(&video->stream_lock); + return 0; +} + +static int +iss_video_enum_input(struct file *file, void *fh, struct v4l2_input *input) +{ + if (input->index > 0) + return -EINVAL; + + strlcpy(input->name, "camera", sizeof(input->name)); + input->type = V4L2_INPUT_TYPE_CAMERA; + + return 0; +} + +static int +iss_video_g_input(struct file *file, void *fh, unsigned int *input) +{ + *input = 0; + + return 0; +} + +static int +iss_video_s_input(struct file *file, void *fh, unsigned int input) +{ + return input == 0 ? 0 : -EINVAL; +} + +static const struct v4l2_ioctl_ops iss_video_ioctl_ops = { + .vidioc_querycap = iss_video_querycap, + .vidioc_enum_fmt_vid_cap = iss_video_enum_format, + .vidioc_g_fmt_vid_cap = iss_video_get_format, + .vidioc_s_fmt_vid_cap = iss_video_set_format, + .vidioc_try_fmt_vid_cap = iss_video_try_format, + .vidioc_g_fmt_vid_out = iss_video_get_format, + .vidioc_s_fmt_vid_out = iss_video_set_format, + .vidioc_try_fmt_vid_out = iss_video_try_format, + .vidioc_cropcap = iss_video_cropcap, + .vidioc_g_crop = iss_video_get_crop, + .vidioc_s_crop = iss_video_set_crop, + .vidioc_g_parm = iss_video_get_param, + .vidioc_s_parm = iss_video_set_param, + .vidioc_reqbufs = iss_video_reqbufs, + .vidioc_querybuf = iss_video_querybuf, + .vidioc_qbuf = iss_video_qbuf, + .vidioc_dqbuf = iss_video_dqbuf, + .vidioc_streamon = iss_video_streamon, + .vidioc_streamoff = iss_video_streamoff, + .vidioc_enum_input = iss_video_enum_input, + .vidioc_g_input = iss_video_g_input, + .vidioc_s_input = iss_video_s_input, +}; + +/* ----------------------------------------------------------------------------- + * V4L2 file operations + */ + +static int iss_video_open(struct file *file) +{ + struct iss_video *video = video_drvdata(file); + struct iss_video_fh *handle; + struct vb2_queue *q; + int ret = 0; + + handle = kzalloc(sizeof(*handle), GFP_KERNEL); + if (handle == NULL) + return -ENOMEM; + + v4l2_fh_init(&handle->vfh, &video->video); + v4l2_fh_add(&handle->vfh); + + /* If this is the first user, initialise the pipeline. */ + if (omap4iss_get(video->iss) == NULL) { + ret = -EBUSY; + goto done; + } + + ret = omap4iss_pipeline_pm_use(&video->video.entity, 1); + if (ret < 0) { + omap4iss_put(video->iss); + goto done; + } + + video->alloc_ctx = vb2_dma_contig_init_ctx(video->iss->dev); + if (IS_ERR(video->alloc_ctx)) { + ret = PTR_ERR(video->alloc_ctx); + omap4iss_put(video->iss); + goto done; + } + + q = &handle->queue; + + q->type = video->type; + q->io_modes = VB2_MMAP; + q->drv_priv = handle; + q->ops = &iss_video_vb2ops; + q->mem_ops = &vb2_dma_contig_memops; + q->buf_struct_size = sizeof(struct iss_buffer); + q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; + + ret = vb2_queue_init(q); + if (ret) { + omap4iss_put(video->iss); + goto done; + } + + memset(&handle->format, 0, sizeof(handle->format)); + handle->format.type = video->type; + handle->timeperframe.denominator = 1; + + handle->video = video; + file->private_data = &handle->vfh; + +done: + if (ret < 0) { + v4l2_fh_del(&handle->vfh); + kfree(handle); + } + + return ret; +} + +static int iss_video_release(struct file *file) +{ + struct iss_video *video = video_drvdata(file); + struct v4l2_fh *vfh = file->private_data; + struct iss_video_fh *handle = to_iss_video_fh(vfh); + + /* Disable streaming and free the buffers queue resources. */ + iss_video_streamoff(file, vfh, video->type); + + omap4iss_pipeline_pm_use(&video->video.entity, 0); + + /* Release the videobuf2 queue */ + vb2_queue_release(&handle->queue); + + /* Release the file handle. */ + v4l2_fh_del(vfh); + kfree(handle); + file->private_data = NULL; + + omap4iss_put(video->iss); + + return 0; +} + +static unsigned int iss_video_poll(struct file *file, poll_table *wait) +{ + struct iss_video_fh *vfh = to_iss_video_fh(file->private_data); + + return vb2_poll(&vfh->queue, file, wait); +} + +static int iss_video_mmap(struct file *file, struct vm_area_struct *vma) +{ + struct iss_video_fh *vfh = to_iss_video_fh(file->private_data); + + return vb2_mmap(&vfh->queue, vma); +} + +static struct v4l2_file_operations iss_video_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = video_ioctl2, + .open = iss_video_open, + .release = iss_video_release, + .poll = iss_video_poll, + .mmap = iss_video_mmap, +}; + +/* ----------------------------------------------------------------------------- + * ISS video core + */ + +static const struct iss_video_operations iss_video_dummy_ops = { +}; + +int omap4iss_video_init(struct iss_video *video, const char *name) +{ + const char *direction; + int ret; + + switch (video->type) { + case V4L2_BUF_TYPE_VIDEO_CAPTURE: + direction = "output"; + video->pad.flags = MEDIA_PAD_FL_SINK; + break; + case V4L2_BUF_TYPE_VIDEO_OUTPUT: + direction = "input"; + video->pad.flags = MEDIA_PAD_FL_SOURCE; + break; + + default: + return -EINVAL; + } + + ret = media_entity_init(&video->video.entity, 1, &video->pad, 0); + if (ret < 0) + return ret; + + mutex_init(&video->mutex); + atomic_set(&video->active, 0); + + spin_lock_init(&video->pipe.lock); + mutex_init(&video->stream_lock); + + /* Initialize the video device. */ + if (video->ops == NULL) + video->ops = &iss_video_dummy_ops; + + video->video.fops = &iss_video_fops; + snprintf(video->video.name, sizeof(video->video.name), + "OMAP4 ISS %s %s", name, direction); + video->video.vfl_type = VFL_TYPE_GRABBER; + video->video.release = video_device_release_empty; + video->video.ioctl_ops = &iss_video_ioctl_ops; + video->pipe.stream_state = ISS_PIPELINE_STREAM_STOPPED; + + video_set_drvdata(&video->video, video); + + return 0; +} + +void omap4iss_video_cleanup(struct iss_video *video) +{ + media_entity_cleanup(&video->video.entity); + mutex_destroy(&video->stream_lock); + mutex_destroy(&video->mutex); +} + +int omap4iss_video_register(struct iss_video *video, struct v4l2_device *vdev) +{ + int ret; + + video->video.v4l2_dev = vdev; + + ret = video_register_device(&video->video, VFL_TYPE_GRABBER, -1); + if (ret < 0) + dev_err(video->iss->dev, + "%s: could not register video device (%d)\n", + __func__, ret); + + return ret; +} + +void omap4iss_video_unregister(struct iss_video *video) +{ + video_unregister_device(&video->video); +} diff --git a/drivers/staging/media/omap4iss/iss_video.h b/drivers/staging/media/omap4iss/iss_video.h new file mode 100644 index 000000000000..878e4a3082e7 --- /dev/null +++ b/drivers/staging/media/omap4iss/iss_video.h @@ -0,0 +1,204 @@ +/* + * TI OMAP4 ISS V4L2 Driver - Generic video node + * + * Copyright (C) 2012 Texas Instruments, Inc. + * + * Author: Sergio Aguirre <sergio.a.aguirre@gmail.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef OMAP4_ISS_VIDEO_H +#define OMAP4_ISS_VIDEO_H + +#include <linux/v4l2-mediabus.h> +#include <media/media-entity.h> +#include <media/v4l2-dev.h> +#include <media/v4l2-fh.h> +#include <media/videobuf2-core.h> +#include <media/videobuf2-dma-contig.h> + +#define ISS_VIDEO_DRIVER_NAME "issvideo" +#define ISS_VIDEO_DRIVER_VERSION "0.0.2" + +struct iss_device; +struct iss_video; +struct v4l2_mbus_framefmt; +struct v4l2_pix_format; + +/* + * struct iss_format_info - ISS media bus format information + * @code: V4L2 media bus format code + * @truncated: V4L2 media bus format code for the same format truncated to 10 + * bits. Identical to @code if the format is 10 bits wide or less. + * @uncompressed: V4L2 media bus format code for the corresponding uncompressed + * format. Identical to @code if the format is not DPCM compressed. + * @flavor: V4L2 media bus format code for the same pixel layout but + * shifted to be 8 bits per pixel. =0 if format is not shiftable. + * @pixelformat: V4L2 pixel format FCC identifier + * @bpp: Bits per pixel + * @description: Human-readable format description + */ +struct iss_format_info { + enum v4l2_mbus_pixelcode code; + enum v4l2_mbus_pixelcode truncated; + enum v4l2_mbus_pixelcode uncompressed; + enum v4l2_mbus_pixelcode flavor; + u32 pixelformat; + unsigned int bpp; + const char *description; +}; + +enum iss_pipeline_stream_state { + ISS_PIPELINE_STREAM_STOPPED = 0, + ISS_PIPELINE_STREAM_CONTINUOUS = 1, + ISS_PIPELINE_STREAM_SINGLESHOT = 2, +}; + +enum iss_pipeline_state { + /* The stream has been started on the input video node. */ + ISS_PIPELINE_STREAM_INPUT = 1, + /* The stream has been started on the output video node. */ + ISS_PIPELINE_STREAM_OUTPUT = (1 << 1), + /* At least one buffer is queued on the input video node. */ + ISS_PIPELINE_QUEUE_INPUT = (1 << 2), + /* At least one buffer is queued on the output video node. */ + ISS_PIPELINE_QUEUE_OUTPUT = (1 << 3), + /* The input entity is idle, ready to be started. */ + ISS_PIPELINE_IDLE_INPUT = (1 << 4), + /* The output entity is idle, ready to be started. */ + ISS_PIPELINE_IDLE_OUTPUT = (1 << 5), + /* The pipeline is currently streaming. */ + ISS_PIPELINE_STREAM = (1 << 6), +}; + +/* + * struct iss_pipeline - An OMAP4 ISS hardware pipeline + * @entities: Bitmask of entities in the pipeline (indexed by entity ID) + * @error: A hardware error occurred during capture + */ +struct iss_pipeline { + struct media_pipeline pipe; + spinlock_t lock; /* Pipeline state and queue flags */ + unsigned int state; + enum iss_pipeline_stream_state stream_state; + struct iss_video *input; + struct iss_video *output; + unsigned int entities; + atomic_t frame_number; + bool do_propagation; /* of frame number */ + bool error; + struct v4l2_fract max_timeperframe; + struct v4l2_subdev *external; + unsigned int external_rate; + int external_bpp; +}; + +#define to_iss_pipeline(__e) \ + container_of((__e)->pipe, struct iss_pipeline, pipe) + +static inline int iss_pipeline_ready(struct iss_pipeline *pipe) +{ + return pipe->state == (ISS_PIPELINE_STREAM_INPUT | + ISS_PIPELINE_STREAM_OUTPUT | + ISS_PIPELINE_QUEUE_INPUT | + ISS_PIPELINE_QUEUE_OUTPUT | + ISS_PIPELINE_IDLE_INPUT | + ISS_PIPELINE_IDLE_OUTPUT); +} + +/* + * struct iss_buffer - ISS buffer + * @buffer: ISS video buffer + * @iss_addr: Physical address of the buffer. + */ +struct iss_buffer { + /* common v4l buffer stuff -- must be first */ + struct vb2_buffer vb; + struct list_head list; + dma_addr_t iss_addr; +}; + +#define to_iss_buffer(buf) container_of(buf, struct iss_buffer, buffer) + +enum iss_video_dmaqueue_flags { + /* Set if DMA queue becomes empty when ISS_PIPELINE_STREAM_CONTINUOUS */ + ISS_VIDEO_DMAQUEUE_UNDERRUN = (1 << 0), + /* Set when queuing buffer to an empty DMA queue */ + ISS_VIDEO_DMAQUEUE_QUEUED = (1 << 1), +}; + +#define iss_video_dmaqueue_flags_clr(video) \ + ({ (video)->dmaqueue_flags = 0; }) + +/* + * struct iss_video_operations - ISS video operations + * @queue: Resume streaming when a buffer is queued. Called on VIDIOC_QBUF + * if there was no buffer previously queued. + */ +struct iss_video_operations { + int(*queue)(struct iss_video *video, struct iss_buffer *buffer); +}; + +struct iss_video { + struct video_device video; + enum v4l2_buf_type type; + struct media_pad pad; + + struct mutex mutex; /* format and crop settings */ + atomic_t active; + + struct iss_device *iss; + + unsigned int capture_mem; + unsigned int bpl_alignment; /* alignment value */ + unsigned int bpl_zero_padding; /* whether the alignment is optional */ + unsigned int bpl_max; /* maximum bytes per line value */ + unsigned int bpl_value; /* bytes per line value */ + unsigned int bpl_padding; /* padding at end of line */ + + /* Pipeline state */ + struct iss_pipeline pipe; + struct mutex stream_lock; /* pipeline and stream states */ + bool error; + + /* Video buffers queue */ + struct vb2_queue *queue; + spinlock_t qlock; /* protects dmaqueue and error */ + struct list_head dmaqueue; + enum iss_video_dmaqueue_flags dmaqueue_flags; + struct vb2_alloc_ctx *alloc_ctx; + + const struct iss_video_operations *ops; +}; + +#define to_iss_video(vdev) container_of(vdev, struct iss_video, video) + +struct iss_video_fh { + struct v4l2_fh vfh; + struct iss_video *video; + struct vb2_queue queue; + struct v4l2_format format; + struct v4l2_fract timeperframe; +}; + +#define to_iss_video_fh(fh) container_of(fh, struct iss_video_fh, vfh) +#define iss_video_queue_to_iss_video_fh(q) \ + container_of(q, struct iss_video_fh, queue) + +int omap4iss_video_init(struct iss_video *video, const char *name); +void omap4iss_video_cleanup(struct iss_video *video); +int omap4iss_video_register(struct iss_video *video, + struct v4l2_device *vdev); +void omap4iss_video_unregister(struct iss_video *video); +struct iss_buffer *omap4iss_video_buffer_next(struct iss_video *video); +void omap4iss_video_cancel_stream(struct iss_video *video); +struct media_pad *omap4iss_video_remote_pad(struct iss_video *video); + +const struct iss_format_info * +omap4iss_video_format_info(enum v4l2_mbus_pixelcode code); + +#endif /* OMAP4_ISS_VIDEO_H */ diff --git a/include/linux/platform_data/vsp1.h b/include/linux/platform_data/vsp1.h index a73a456d7f11..63170e2614b3 100644 --- a/include/linux/platform_data/vsp1.h +++ b/include/linux/platform_data/vsp1.h @@ -14,6 +14,8 @@ #define __PLATFORM_VSP1_H__ #define VSP1_HAS_LIF (1 << 0) +#define VSP1_HAS_LUT (1 << 1) +#define VSP1_HAS_SRU (1 << 2) struct vsp1_platform_data { unsigned int features; diff --git a/include/media/omap4iss.h b/include/media/omap4iss.h new file mode 100644 index 000000000000..0d7620db5e32 --- /dev/null +++ b/include/media/omap4iss.h @@ -0,0 +1,65 @@ +#ifndef ARCH_ARM_PLAT_OMAP4_ISS_H +#define ARCH_ARM_PLAT_OMAP4_ISS_H + +#include <linux/i2c.h> + +struct iss_device; + +enum iss_interface_type { + ISS_INTERFACE_CSI2A_PHY1, + ISS_INTERFACE_CSI2B_PHY2, +}; + +/** + * struct iss_csiphy_lane: CSI2 lane position and polarity + * @pos: position of the lane + * @pol: polarity of the lane + */ +struct iss_csiphy_lane { + u8 pos; + u8 pol; +}; + +#define ISS_CSIPHY1_NUM_DATA_LANES 4 +#define ISS_CSIPHY2_NUM_DATA_LANES 1 + +/** + * struct iss_csiphy_lanes_cfg - CSI2 lane configuration + * @data: Configuration of one or two data lanes + * @clk: Clock lane configuration + */ +struct iss_csiphy_lanes_cfg { + struct iss_csiphy_lane data[ISS_CSIPHY1_NUM_DATA_LANES]; + struct iss_csiphy_lane clk; +}; + +/** + * struct iss_csi2_platform_data - CSI2 interface platform data + * @crc: Enable the cyclic redundancy check + * @vpclk_div: Video port output clock control + */ +struct iss_csi2_platform_data { + unsigned crc:1; + unsigned vpclk_div:2; + struct iss_csiphy_lanes_cfg lanecfg; +}; + +struct iss_subdev_i2c_board_info { + struct i2c_board_info *board_info; + int i2c_adapter_id; +}; + +struct iss_v4l2_subdevs_group { + struct iss_subdev_i2c_board_info *subdevs; + enum iss_interface_type interface; + union { + struct iss_csi2_platform_data csi2; + } bus; /* gcc < 4.6.0 chokes on anonymous union initializers */ +}; + +struct iss_platform_data { + struct iss_v4l2_subdevs_group *subdevs; + void (*set_constraints)(struct iss_device *iss, bool enable); +}; + +#endif diff --git a/include/media/rc-map.h b/include/media/rc-map.h index 6628f5d01f52..a20ed97d7d8a 100644 --- a/include/media/rc-map.h +++ b/include/media/rc-map.h @@ -193,6 +193,7 @@ void rc_map_init(void); #define RC_MAP_VIDEOMATE_TV_PVR "rc-videomate-tv-pvr" #define RC_MAP_WINFAST "rc-winfast" #define RC_MAP_WINFAST_USBII_DELUXE "rc-winfast-usbii-deluxe" +#define RC_MAP_SU3000 "rc-su3000" /* * Please, do not just append newer Remote Controller names at the end. diff --git a/include/media/v4l2-fh.h b/include/media/v4l2-fh.h index 528cdaf622e1..803516775162 100644 --- a/include/media/v4l2-fh.h +++ b/include/media/v4l2-fh.h @@ -45,6 +45,10 @@ struct v4l2_fh { struct list_head available; /* Dequeueable event */ unsigned int navailable; u32 sequence; + +#if IS_ENABLED(CONFIG_V4L2_MEM2MEM_DEV) + struct v4l2_m2m_ctx *m2m_ctx; +#endif }; /* diff --git a/include/media/v4l2-mem2mem.h b/include/media/v4l2-mem2mem.h index 44542a20ab81..12ea5a6a4331 100644 --- a/include/media/v4l2-mem2mem.h +++ b/include/media/v4l2-mem2mem.h @@ -64,6 +64,9 @@ struct v4l2_m2m_queue_ctx { }; struct v4l2_m2m_ctx { + /* optional cap/out vb2 queues lock */ + struct mutex *q_lock; + /* private: internal use only */ struct v4l2_m2m_dev *m2m_dev; @@ -229,5 +232,26 @@ static inline void *v4l2_m2m_dst_buf_remove(struct v4l2_m2m_ctx *m2m_ctx) return v4l2_m2m_buf_remove(&m2m_ctx->cap_q_ctx); } +/* v4l2 ioctl helpers */ + +int v4l2_m2m_ioctl_reqbufs(struct file *file, void *priv, + struct v4l2_requestbuffers *rb); +int v4l2_m2m_ioctl_create_bufs(struct file *file, void *fh, + struct v4l2_create_buffers *create); +int v4l2_m2m_ioctl_querybuf(struct file *file, void *fh, + struct v4l2_buffer *buf); +int v4l2_m2m_ioctl_expbuf(struct file *file, void *fh, + struct v4l2_exportbuffer *eb); +int v4l2_m2m_ioctl_qbuf(struct file *file, void *fh, + struct v4l2_buffer *buf); +int v4l2_m2m_ioctl_dqbuf(struct file *file, void *fh, + struct v4l2_buffer *buf); +int v4l2_m2m_ioctl_streamon(struct file *file, void *fh, + enum v4l2_buf_type type); +int v4l2_m2m_ioctl_streamoff(struct file *file, void *fh, + enum v4l2_buf_type type); +int v4l2_m2m_fop_mmap(struct file *file, struct vm_area_struct *vma); +unsigned int v4l2_m2m_fop_poll(struct file *file, poll_table *wait); + #endif /* _MEDIA_V4L2_MEM2MEM_H */ diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index 941055e9d125..0ae974ee8894 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -491,6 +491,7 @@ int vb2_ioctl_expbuf(struct file *file, void *priv, int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma); int vb2_fop_release(struct file *file); +int _vb2_fop_release(struct file *file, struct mutex *lock); ssize_t vb2_fop_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos); ssize_t vb2_fop_read(struct file *file, char __user *buf, diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h new file mode 100644 index 000000000000..ef94ecad1c94 --- /dev/null +++ b/include/trace/events/v4l2.h @@ -0,0 +1,157 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM v4l2 + +#if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_V4L2_H + +#include <linux/tracepoint.h> + +#define show_type(type) \ + __print_symbolic(type, \ + { V4L2_BUF_TYPE_VIDEO_CAPTURE, "VIDEO_CAPTURE" }, \ + { V4L2_BUF_TYPE_VIDEO_OUTPUT, "VIDEO_OUTPUT" }, \ + { V4L2_BUF_TYPE_VIDEO_OVERLAY, "VIDEO_OVERLAY" }, \ + { V4L2_BUF_TYPE_VBI_CAPTURE, "VBI_CAPTURE" }, \ + { V4L2_BUF_TYPE_VBI_OUTPUT, "VBI_OUTPUT" }, \ + { V4L2_BUF_TYPE_SLICED_VBI_CAPTURE, "SLICED_VBI_CAPTURE" }, \ + { V4L2_BUF_TYPE_SLICED_VBI_OUTPUT, "SLICED_VBI_OUTPUT" }, \ + { V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY, "VIDEO_OUTPUT_OVERLAY" },\ + { V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" },\ + { V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, "VIDEO_OUTPUT_MPLANE" }, \ + { V4L2_BUF_TYPE_PRIVATE, "PRIVATE" }) + +#define show_field(field) \ + __print_symbolic(field, \ + { V4L2_FIELD_ANY, "ANY" }, \ + { V4L2_FIELD_NONE, "NONE" }, \ + { V4L2_FIELD_TOP, "TOP" }, \ + { V4L2_FIELD_BOTTOM, "BOTTOM" }, \ + { V4L2_FIELD_INTERLACED, "INTERLACED" }, \ + { V4L2_FIELD_SEQ_TB, "SEQ_TB" }, \ + { V4L2_FIELD_SEQ_BT, "SEQ_BT" }, \ + { V4L2_FIELD_ALTERNATE, "ALTERNATE" }, \ + { V4L2_FIELD_INTERLACED_TB, "INTERLACED_TB" }, \ + { V4L2_FIELD_INTERLACED_BT, "INTERLACED_BT" }) + +#define show_timecode_type(type) \ + __print_symbolic(type, \ + { V4L2_TC_TYPE_24FPS, "24FPS" }, \ + { V4L2_TC_TYPE_25FPS, "25FPS" }, \ + { V4L2_TC_TYPE_30FPS, "30FPS" }, \ + { V4L2_TC_TYPE_50FPS, "50FPS" }, \ + { V4L2_TC_TYPE_60FPS, "60FPS" }) + +#define show_flags(flags) \ + __print_flags(flags, "|", \ + { V4L2_BUF_FLAG_MAPPED, "MAPPED" }, \ + { V4L2_BUF_FLAG_QUEUED, "QUEUED" }, \ + { V4L2_BUF_FLAG_DONE, "DONE" }, \ + { V4L2_BUF_FLAG_KEYFRAME, "KEYFRAME" }, \ + { V4L2_BUF_FLAG_PFRAME, "PFRAME" }, \ + { V4L2_BUF_FLAG_BFRAME, "BFRAME" }, \ + { V4L2_BUF_FLAG_ERROR, "ERROR" }, \ + { V4L2_BUF_FLAG_TIMECODE, "TIMECODE" }, \ + { V4L2_BUF_FLAG_PREPARED, "PREPARED" }, \ + { V4L2_BUF_FLAG_NO_CACHE_INVALIDATE, "NO_CACHE_INVALIDATE" }, \ + { V4L2_BUF_FLAG_NO_CACHE_CLEAN, "NO_CACHE_CLEAN" }, \ + { V4L2_BUF_FLAG_TIMESTAMP_MASK, "TIMESTAMP_MASK" }, \ + { V4L2_BUF_FLAG_TIMESTAMP_UNKNOWN, "TIMESTAMP_UNKNOWN" }, \ + { V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC, "TIMESTAMP_MONOTONIC" }, \ + { V4L2_BUF_FLAG_TIMESTAMP_COPY, "TIMESTAMP_COPY" }) + +#define show_timecode_flags(flags) \ + __print_flags(flags, "|", \ + { V4L2_TC_FLAG_DROPFRAME, "DROPFRAME" }, \ + { V4L2_TC_FLAG_COLORFRAME, "COLORFRAME" }, \ + { V4L2_TC_USERBITS_USERDEFINED, "USERBITS_USERDEFINED" }, \ + { V4L2_TC_USERBITS_8BITCHARS, "USERBITS_8BITCHARS" }) + +#define V4L2_TRACE_EVENT(event_name) \ + TRACE_EVENT(event_name, \ + TP_PROTO(int minor, struct v4l2_buffer *buf), \ + \ + TP_ARGS(minor, buf), \ + \ + TP_STRUCT__entry( \ + __field(int, minor) \ + __field(u32, index) \ + __field(u32, type) \ + __field(u32, bytesused) \ + __field(u32, flags) \ + __field(u32, field) \ + __field(s64, timestamp) \ + __field(u32, timecode_type) \ + __field(u32, timecode_flags) \ + __field(u8, timecode_frames) \ + __field(u8, timecode_seconds) \ + __field(u8, timecode_minutes) \ + __field(u8, timecode_hours) \ + __field(u8, timecode_userbits0) \ + __field(u8, timecode_userbits1) \ + __field(u8, timecode_userbits2) \ + __field(u8, timecode_userbits3) \ + __field(u32, sequence) \ + ), \ + \ + TP_fast_assign( \ + __entry->minor = minor; \ + __entry->index = buf->index; \ + __entry->type = buf->type; \ + __entry->bytesused = buf->bytesused; \ + __entry->flags = buf->flags; \ + __entry->field = buf->field; \ + __entry->timestamp = \ + timeval_to_ns(&buf->timestamp); \ + __entry->timecode_type = buf->timecode.type; \ + __entry->timecode_flags = buf->timecode.flags; \ + __entry->timecode_frames = \ + buf->timecode.frames; \ + __entry->timecode_seconds = \ + buf->timecode.seconds; \ + __entry->timecode_minutes = \ + buf->timecode.minutes; \ + __entry->timecode_hours = buf->timecode.hours; \ + __entry->timecode_userbits0 = \ + buf->timecode.userbits[0]; \ + __entry->timecode_userbits1 = \ + buf->timecode.userbits[1]; \ + __entry->timecode_userbits2 = \ + buf->timecode.userbits[2]; \ + __entry->timecode_userbits3 = \ + buf->timecode.userbits[3]; \ + __entry->sequence = buf->sequence; \ + ), \ + \ + TP_printk("minor = %d, index = %u, type = %s, " \ + "bytesused = %u, flags = %s, " \ + "field = %s, timestamp = %llu, timecode = { " \ + "type = %s, flags = %s, frames = %u, " \ + "seconds = %u, minutes = %u, hours = %u, " \ + "userbits = { %u %u %u %u } }, " \ + "sequence = %u", __entry->minor, \ + __entry->index, show_type(__entry->type), \ + __entry->bytesused, \ + show_flags(__entry->flags), \ + show_field(__entry->field), \ + __entry->timestamp, \ + show_timecode_type(__entry->timecode_type), \ + show_timecode_flags(__entry->timecode_flags), \ + __entry->timecode_frames, \ + __entry->timecode_seconds, \ + __entry->timecode_minutes, \ + __entry->timecode_hours, \ + __entry->timecode_userbits0, \ + __entry->timecode_userbits1, \ + __entry->timecode_userbits2, \ + __entry->timecode_userbits3, \ + __entry->sequence \ + ) \ + ) + +V4L2_TRACE_EVENT(v4l2_dqbuf); +V4L2_TRACE_EVENT(v4l2_qbuf); + +#endif /* if !defined(_TRACE_V4L2_H) || defined(TRACE_HEADER_MULTI_READ) */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h index ed49574ad757..d847c760e8f0 100644 --- a/include/uapi/linux/media.h +++ b/include/uapi/linux/media.h @@ -98,6 +98,7 @@ struct media_entity_desc { #define MEDIA_PAD_FL_SINK (1 << 0) #define MEDIA_PAD_FL_SOURCE (1 << 1) +#define MEDIA_PAD_FL_MUST_CONNECT (1 << 2) struct media_pad_desc { __u32 entity; /* entity ID */ diff --git a/include/uapi/linux/v4l2-mediabus.h b/include/uapi/linux/v4l2-mediabus.h index a9601257bb43..b5c3aab6e82c 100644 --- a/include/uapi/linux/v4l2-mediabus.h +++ b/include/uapi/linux/v4l2-mediabus.h @@ -110,6 +110,9 @@ enum v4l2_mbus_pixelcode { /* S5C73M3 sensor specific interleaved UYVY and JPEG */ V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8 = 0x5001, + + /* HSV - next is 0x6002 */ + V4L2_MBUS_FMT_AHSV8888_1X32 = 0x6001, }; /** diff --git a/include/uapi/linux/vsp1.h b/include/uapi/linux/vsp1.h new file mode 100644 index 000000000000..e18858f6e865 --- /dev/null +++ b/include/uapi/linux/vsp1.h @@ -0,0 +1,34 @@ +/* + * vsp1.h + * + * Renesas R-Car VSP1 - User-space API + * + * Copyright (C) 2013 Renesas Corporation + * + * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __VSP1_USER_H__ +#define __VSP1_USER_H__ + +#include <linux/types.h> +#include <linux/videodev2.h> + +/* + * Private IOCTLs + * + * VIDIOC_VSP1_LUT_CONFIG - Configure the lookup table + */ + +#define VIDIOC_VSP1_LUT_CONFIG \ + _IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct vsp1_lut_config) + +struct vsp1_lut_config { + u32 lut[256]; +}; + +#endif /* __VSP1_USER_H__ */ |