diff options
Diffstat (limited to 'drivers/media/video/gspca/etoms.c')
| -rw-r--r-- | drivers/media/video/gspca/etoms.c | 1062 |
1 files changed, 1062 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c new file mode 100644 index 000000000000..c479f638413e --- /dev/null +++ b/drivers/media/video/gspca/etoms.c @@ -0,0 +1,1062 @@ +/* + * Etoms Et61x151 GPL Linux driver by Michel Xhaard (09/09/2004) + * + * V4L2 by Jean-Francois Moine <http://moinejf.free.fr> + * + * 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 + * any later version. + * + * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#define MODULE_NAME "etoms" + +#include "gspca.h" + +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 0) +static const char version[] = "2.1.0"; + +MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); +MODULE_DESCRIPTION("Etoms USB Camera Driver"); +MODULE_LICENSE("GPL"); + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + unsigned char brightness; + unsigned char contrast; + unsigned char colors; + unsigned char autogain; + + char sensor; +#define SENSOR_PAS106 0 +#define SENSOR_TAS5130CXX 1 + signed char ag_cnt; +#define AG_CNT_START 13 +}; + +/* V4L2 controls supported by the driver */ +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); + +static struct ctrl sd_ctrls[] = { +#define SD_BRIGHTNESS 0 + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 1, + .maximum = 127, + .step = 1, + .default_value = 63, + }, + .set = sd_setbrightness, + .get = sd_getbrightness, + }, +#define SD_CONTRAST 1 + { + { + .id = V4L2_CID_CONTRAST, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contrast", + .minimum = 0, + .maximum = 255, + .step = 1, + .default_value = 127, + }, + .set = sd_setcontrast, + .get = sd_getcontrast, + }, +#define SD_COLOR 2 + { + { + .id = V4L2_CID_SATURATION, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Color", + .minimum = 0, + .maximum = 15, + .step = 1, + .default_value = 7, + }, + .set = sd_setcolors, + .get = sd_getcolors, + }, +#define SD_AUTOGAIN 3 + { + { + .id = V4L2_CID_AUTOGAIN, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Auto Gain", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 1, + }, + .set = sd_setautogain, + .get = sd_getautogain, + }, +}; + +static struct cam_mode vga_mode[] = { + {V4L2_PIX_FMT_SBGGR8, 320, 240, 1}, +/* {V4L2_PIX_FMT_SBGGR8, 640, 480, 0}, */ +}; + +static struct cam_mode sif_mode[] = { + {V4L2_PIX_FMT_SBGGR8, 176, 144, 1}, + {V4L2_PIX_FMT_SBGGR8, 352, 288, 0}, +}; + +#define ETOMS_ALT_SIZE_1000 12 + +#define ET_GPIO_DIR_CTRL 0x04 /* Control IO bit[0..5] (0 in 1 out) */ +#define ET_GPIO_OUT 0x05 /* Only IO data */ +#define ET_GPIO_IN 0x06 /* Read Only IO data */ +#define ET_RESET_ALL 0x03 +#define ET_ClCK 0x01 +#define ET_CTRL 0x02 /* enable i2c OutClck Powerdown mode */ + +#define ET_COMP 0x12 /* Compression register */ +#define ET_MAXQt 0x13 +#define ET_MINQt 0x14 +#define ET_COMP_VAL0 0x02 +#define ET_COMP_VAL1 0x03 + +#define ET_REG1d 0x1d +#define ET_REG1e 0x1e +#define ET_REG1f 0x1f +#define ET_REG20 0x20 +#define ET_REG21 0x21 +#define ET_REG22 0x22 +#define ET_REG23 0x23 +#define ET_REG24 0x24 +#define ET_REG25 0x25 +/* base registers for luma calculation */ +#define ET_LUMA_CENTER 0x39 + +#define ET_G_RED 0x4d +#define ET_G_GREEN1 0x4e +#define ET_G_BLUE 0x4f +#define ET_G_GREEN2 0x50 +#define ET_G_GR_H 0x51 +#define ET_G_GB_H 0x52 + +#define ET_O_RED 0x34 +#define ET_O_GREEN1 0x35 +#define ET_O_BLUE 0x36 +#define ET_O_GREEN2 0x37 + +#define ET_SYNCHRO 0x68 +#define ET_STARTX 0x69 +#define ET_STARTY 0x6a +#define ET_WIDTH_LOW 0x6b +#define ET_HEIGTH_LOW 0x6c +#define ET_W_H_HEIGTH 0x6d + +#define ET_REG6e 0x6e /* OBW */ +#define ET_REG6f 0x6f /* OBW */ +#define ET_REG70 0x70 /* OBW_AWB */ +#define ET_REG71 0x71 /* OBW_AWB */ +#define ET_REG72 0x72 /* OBW_AWB */ +#define ET_REG73 0x73 /* Clkdelay ns */ +#define ET_REG74 0x74 /* test pattern */ +#define ET_REG75 0x75 /* test pattern */ + +#define ET_I2C_CLK 0x8c +#define ET_PXL_CLK 0x60 + +#define ET_I2C_BASE 0x89 +#define ET_I2C_COUNT 0x8a +#define ET_I2C_PREFETCH 0x8b +#define ET_I2C_REG 0x88 +#define ET_I2C_DATA7 0x87 +#define ET_I2C_DATA6 0x86 +#define ET_I2C_DATA5 0x85 +#define ET_I2C_DATA4 0x84 +#define ET_I2C_DATA3 0x83 +#define ET_I2C_DATA2 0x82 +#define ET_I2C_DATA1 0x81 +#define ET_I2C_DATA0 0x80 + +#define PAS106_REG2 0x02 /* pxlClk = systemClk/(reg2) */ +#define PAS106_REG3 0x03 /* line/frame H [11..4] */ +#define PAS106_REG4 0x04 /* line/frame L [3..0] */ +#define PAS106_REG5 0x05 /* exposure time line offset(default 5) */ +#define PAS106_REG6 0x06 /* exposure time pixel offset(default 6) */ +#define PAS106_REG7 0x07 /* signbit Dac (default 0) */ +#define PAS106_REG9 0x09 +#define PAS106_REG0e 0x0e /* global gain [4..0](default 0x0e) */ +#define PAS106_REG13 0x13 /* end i2c write */ + +static __u8 GainRGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; + +static __u8 I2c2[] = { 0x08, 0x08, 0x08, 0x08, 0x0d }; + +static __u8 I2c3[] = { 0x12, 0x05 }; + +static __u8 I2c4[] = { 0x41, 0x08 }; + +static void Et_RegRead(struct usb_device *dev, + __u16 index, __u8 *buffer, int len) +{ + usb_control_msg(dev, + usb_rcvctrlpipe(dev, 0), + 0, + USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, + 0, index, buffer, len, 500); +} + +static void Et_RegWrite(struct usb_device *dev, + __u16 index, __u8 *buffer, __u16 len) +{ + usb_control_msg(dev, + usb_sndctrlpipe(dev, 0), + 0, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, + 0, index, buffer, len, 500); +} + +static int Et_i2cwrite(struct usb_device *dev, __u8 reg, __u8 * buffer, + __u16 length, __u8 mode) +{ +/* buffer should be [D0..D7] */ + int i, j; + __u8 base = 0x40; /* sensor base for the pas106 */ + __u8 ptchcount = 0; + + ptchcount = (((length & 0x07) << 4) | (mode & 0x03)); +/* set the base address */ + Et_RegWrite(dev, ET_I2C_BASE, &base, 1); +/* set count and prefetch */ + Et_RegWrite(dev, ET_I2C_COUNT, &ptchcount, 1); +/* set the register base */ + Et_RegWrite(dev, ET_I2C_REG, ®, 1); + j = length - 1; + for (i = 0; i < length; i++) { + Et_RegWrite(dev, (ET_I2C_DATA0 + j), &buffer[j], 1); + j--; + } + return 0; +} + +static int Et_i2cread(struct usb_device *dev, __u8 reg, __u8 * buffer, + __u16 length, __u8 mode) +{ +/* buffer should be [D0..D7] */ + int i, j; + __u8 base = 0x40; /* sensor base for the pas106 */ + __u8 ptchcount; + __u8 prefetch = 0x02; + + ptchcount = (((length & 0x07) << 4) | (mode & 0x03)); +/* set the base address */ + Et_RegWrite(dev, ET_I2C_BASE, &base, 1); +/* set count and prefetch */ + Et_RegWrite(dev, ET_I2C_COUNT, &ptchcount, 1); +/* set the register base */ + Et_RegWrite(dev, ET_I2C_REG, ®, 1); + Et_RegWrite(dev, ET_I2C_PREFETCH, &prefetch, 1); + prefetch = 0x00; + Et_RegWrite(dev, ET_I2C_PREFETCH, &prefetch, 1); + j = length - 1; + for (i = 0; i < length; i++) { + Et_RegRead(dev, (ET_I2C_DATA0 + j), &buffer[j], 1); + j--; + } + return 0; +} + +static int Et_WaitStatus(struct usb_device *dev) +{ + __u8 bytereceived; + int retry = 10; + + while (retry--) { + Et_RegRead(dev, ET_ClCK, &bytereceived, 1); + if (bytereceived != 0) + return 1; + } + return 0; +} + +static int Et_videoOff(struct usb_device *dev) +{ + int err; + __u8 stopvideo = 0; + + Et_RegWrite(dev, ET_GPIO_OUT, &stopvideo, 1); + err = Et_WaitStatus(dev); + if (!err) + PDEBUG(D_ERR, "timeout Et_waitStatus VideoON"); + return err; +} + +static int Et_videoOn(struct usb_device *dev) +{ + int err; + __u8 startvideo = 0x10; /* set Bit5 */ + + Et_RegWrite(dev, ET_GPIO_OUT, &startvideo, 1); + err = Et_WaitStatus(dev); + if (!err) + PDEBUG(D_ERR, "timeout Et_waitStatus VideoOFF"); + return err; +} + +static void Et_init2(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + __u8 value = 0x00; + __u8 received = 0x00; + __u8 FormLine[] = { 0x84, 0x03, 0x14, 0xf4, 0x01, 0x05 }; + + PDEBUG(D_STREAM, "Open Init2 ET"); + value = 0x2f; + Et_RegWrite(dev, ET_GPIO_DIR_CTRL, &value, 1); + value = 0x10; + Et_RegWrite(dev, ET_GPIO_OUT, &value, 1); + Et_RegRead(dev, ET_GPIO_IN, &received, 1); + value = 0x14; /* 0x14 // 0x16 enabled pattern */ + Et_RegWrite(dev, ET_ClCK, &value, 1); + value = 0x1b; + Et_RegWrite(dev, ET_CTRL, &value, 1); + + /* compression et subsampling */ + if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) + value = ET_COMP_VAL1; /* 320 */ + else + value = ET_COMP_VAL0; /* 640 */ + Et_RegWrite(dev, ET_COMP, &value, 1); + value = 0x1f; + Et_RegWrite(dev, ET_MAXQt, &value, 1); + value = 0x04; + Et_RegWrite(dev, ET_MINQt, &value, 1); + /* undocumented registers */ + value = 0xff; + Et_RegWrite(dev, ET_REG1d, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG1e, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG1f, &value, 1); + value = 0x35; + Et_RegWrite(dev, ET_REG20, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_REG21, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_REG22, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG23, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG24, &value, 1); + value = 0x0f; + Et_RegWrite(dev, ET_REG25, &value, 1); + /* colors setting */ + value = 0x11; + Et_RegWrite(dev, 0x30, &value, 1); /* 0x30 */ + value = 0x40; + Et_RegWrite(dev, 0x31, &value, 1); + value = 0x00; + Et_RegWrite(dev, 0x32, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_O_RED, &value, 1); /* 0x34 */ + value = 0x00; + Et_RegWrite(dev, ET_O_GREEN1, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_O_BLUE, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_O_GREEN2, &value, 1); + /*************/ + value = 0x80; + Et_RegWrite(dev, ET_G_RED, &value, 1); /* 0x4d */ + value = 0x80; + Et_RegWrite(dev, ET_G_GREEN1, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_G_BLUE, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_G_GREEN2, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_G_GR_H, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_G_GB_H, &value, 1); /* 0x52 */ + /* Window control registers */ + + value = 0x80; /* use cmc_out */ + Et_RegWrite(dev, 0x61, &value, 1); + + value = 0x02; + Et_RegWrite(dev, 0x62, &value, 1); + value = 0x03; + Et_RegWrite(dev, 0x63, &value, 1); + value = 0x14; + Et_RegWrite(dev, 0x64, &value, 1); + value = 0x0e; + Et_RegWrite(dev, 0x65, &value, 1); + value = 0x02; + Et_RegWrite(dev, 0x66, &value, 1); + value = 0x02; + Et_RegWrite(dev, 0x67, &value, 1); + + /**************************************/ + value = 0x8f; + Et_RegWrite(dev, ET_SYNCHRO, &value, 1); /* 0x68 */ + value = 0x69; /* 0x6a //0x69 */ + Et_RegWrite(dev, ET_STARTX, &value, 1); + value = 0x0d; /* 0x0d //0x0c */ + Et_RegWrite(dev, ET_STARTY, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_WIDTH_LOW, &value, 1); + value = 0xe0; + Et_RegWrite(dev, ET_HEIGTH_LOW, &value, 1); + value = 0x60; + Et_RegWrite(dev, ET_W_H_HEIGTH, &value, 1); /* 6d */ + value = 0x86; + Et_RegWrite(dev, ET_REG6e, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_REG6f, &value, 1); + value = 0x26; + Et_RegWrite(dev, ET_REG70, &value, 1); + value = 0x7a; + Et_RegWrite(dev, ET_REG71, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_REG72, &value, 1); + /* Clock Pattern registers ***************** */ + value = 0x00; + Et_RegWrite(dev, ET_REG73, &value, 1); + value = 0x18; /* 0x28 */ + Et_RegWrite(dev, ET_REG74, &value, 1); + value = 0x0f; /* 0x01 */ + Et_RegWrite(dev, ET_REG75, &value, 1); + /**********************************************/ + value = 0x20; + Et_RegWrite(dev, 0x8a, &value, 1); + value = 0x0f; + Et_RegWrite(dev, 0x8d, &value, 1); + value = 0x08; + Et_RegWrite(dev, 0x8e, &value, 1); + /**************************************/ + value = 0x08; + Et_RegWrite(dev, 0x03, &value, 1); + value = 0x03; + Et_RegWrite(dev, ET_PXL_CLK, &value, 1); + value = 0xff; + Et_RegWrite(dev, 0x81, &value, 1); + value = 0x00; + Et_RegWrite(dev, 0x80, &value, 1); + value = 0xff; + Et_RegWrite(dev, 0x81, &value, 1); + value = 0x20; + Et_RegWrite(dev, 0x80, &value, 1); + value = 0x01; + Et_RegWrite(dev, 0x03, &value, 1); + value = 0x00; + Et_RegWrite(dev, 0x03, &value, 1); + value = 0x08; + Et_RegWrite(dev, 0x03, &value, 1); + /********************************************/ + + /* Et_RegRead(dev,0x0,ET_I2C_BASE,&received,1); + always 0x40 as the pas106 ??? */ + /* set the sensor */ + if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) { + value = 0x04; /* 320 */ + Et_RegWrite(dev, ET_PXL_CLK, &value, 1); + /* now set by fifo the FormatLine setting */ + Et_RegWrite(dev, 0x62, FormLine, 6); + } else { /* 640 */ + /* setting PixelClock + 0x03 mean 24/(3+1) = 6 Mhz + 0x05 -> 24/(5+1) = 4 Mhz + 0x0b -> 24/(11+1) = 2 Mhz + 0x17 -> 24/(23+1) = 1 Mhz + */ + value = 0x1e; /* 0x17 */ + Et_RegWrite(dev, ET_PXL_CLK, &value, 1); + /* now set by fifo the FormatLine setting */ + Et_RegWrite(dev, 0x62, FormLine, 6); + } + + /* set exposure times [ 0..0x78] 0->longvalue 0x78->shortvalue */ + value = 0x47; /* 0x47; */ + Et_RegWrite(dev, 0x81, &value, 1); + value = 0x40; /* 0x40; */ + Et_RegWrite(dev, 0x80, &value, 1); + /* Pedro change */ + /* Brightness change Brith+ decrease value */ + /* Brigth- increase value */ + /* original value = 0x70; */ + value = 0x30; /* 0x20; */ + Et_RegWrite(dev, 0x81, &value, 1); /* set brightness */ + value = 0x20; /* 0x20; */ + Et_RegWrite(dev, 0x80, &value, 1); +} + +static void setcolors(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + static __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; + __u8 i2cflags = 0x01; + /* __u8 green = 0; */ + __u8 colors = sd->colors; + + I2cc[3] = colors; /* red */ + I2cc[0] = 15 - colors; /* blue */ + /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ + /* I2cc[1] = I2cc[2] = green; */ + if (sd->sensor == SENSOR_PAS106) { + Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3); + Et_i2cwrite(dev, PAS106_REG9, I2cc, sizeof(I2cc), 1); + } +/* PDEBUG(D_CONF , "Etoms red %d blue %d green %d", + I2cc[3], I2cc[0], green); */ +} + +static void getcolors(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + /* __u8 valblue = 0; */ + __u8 valred; + + if (sd->sensor == SENSOR_PAS106) { + /* Et_i2cread(gspca_dev->dev,PAS106_REG9,&valblue,1,1); */ + Et_i2cread(gspca_dev->dev, PAS106_REG9 + 3, &valred, 1, 1); + sd->colors = valred & 0x0f; + } +} + +static void Et_init1(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + __u8 value = 0x00; + __u8 received = 0x00; +/* __u8 I2c0 [] ={0x0a,0x12,0x05,0x22,0xac,0x00,0x01,0x00}; */ + __u8 I2c0[] = { 0x0a, 0x12, 0x05, 0x6d, 0xcd, 0x00, 0x01, 0x00 }; + /* try 1/120 0x6d 0xcd 0x40 */ +/* __u8 I2c0 [] ={0x0a,0x12,0x05,0xfe,0xfe,0xc0,0x01,0x00}; + * 1/60000 hmm ?? */ + + PDEBUG(D_STREAM, "Open Init1 ET"); + value = 7; + Et_RegWrite(dev, ET_GPIO_DIR_CTRL, &value, 1); + Et_RegRead(dev, ET_GPIO_IN, &received, 1); + value = 1; + Et_RegWrite(dev, ET_RESET_ALL, &value, 1); + value = 0; + Et_RegWrite(dev, ET_RESET_ALL, &value, 1); + value = 0x10; + Et_RegWrite(dev, ET_ClCK, &value, 1); + value = 0x19; + Et_RegWrite(dev, ET_CTRL, &value, 1); + /* compression et subsampling */ + if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) + value = ET_COMP_VAL1; + else + value = ET_COMP_VAL0; + + PDEBUG(D_STREAM, "Open mode %d Compression %d", + gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode, + value); + Et_RegWrite(dev, ET_COMP, &value, 1); + value = 0x1d; + Et_RegWrite(dev, ET_MAXQt, &value, 1); + value = 0x02; + Et_RegWrite(dev, ET_MINQt, &value, 1); + /* undocumented registers */ + value = 0xff; + Et_RegWrite(dev, ET_REG1d, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG1e, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG1f, &value, 1); + value = 0x35; + Et_RegWrite(dev, ET_REG20, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_REG21, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_REG22, &value, 1); + value = 0xf7; + Et_RegWrite(dev, ET_REG23, &value, 1); + value = 0xff; + Et_RegWrite(dev, ET_REG24, &value, 1); + value = 0x07; + Et_RegWrite(dev, ET_REG25, &value, 1); + /* colors setting */ + value = 0x80; + Et_RegWrite(dev, ET_G_RED, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_G_GREEN1, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_G_BLUE, &value, 1); + value = 0x80; + Et_RegWrite(dev, ET_G_GREEN2, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_G_GR_H, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_G_GB_H, &value, 1); + /* Window control registers */ + value = 0xf0; + Et_RegWrite(dev, ET_SYNCHRO, &value, 1); + value = 0x56; /* 0x56 */ + Et_RegWrite(dev, ET_STARTX, &value, 1); + value = 0x05; /* 0x04 */ + Et_RegWrite(dev, ET_STARTY, &value, 1); + value = 0x60; + Et_RegWrite(dev, ET_WIDTH_LOW, &value, 1); + value = 0x20; + Et_RegWrite(dev, ET_HEIGTH_LOW, &value, 1); + value = 0x50; + Et_RegWrite(dev, ET_W_H_HEIGTH, &value, 1); + value = 0x86; + Et_RegWrite(dev, ET_REG6e, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_REG6f, &value, 1); + value = 0x86; + Et_RegWrite(dev, ET_REG70, &value, 1); + value = 0x14; + Et_RegWrite(dev, ET_REG71, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_REG72, &value, 1); + /* Clock Pattern registers */ + value = 0x00; + Et_RegWrite(dev, ET_REG73, &value, 1); + value = 0x00; + Et_RegWrite(dev, ET_REG74, &value, 1); + value = 0x0a; + Et_RegWrite(dev, ET_REG75, &value, 1); + value = 0x04; + Et_RegWrite(dev, ET_I2C_CLK, &value, 1); + value = 0x01; + Et_RegWrite(dev, ET_PXL_CLK, &value, 1); + /* set the sensor */ + if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].mode) { + I2c0[0] = 0x06; + Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1); + Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1); + value = 0x06; + Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1); + Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1); + /* value = 0x1f; */ + value = 0x04; + Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); + } else { + I2c0[0] = 0x0a; + + Et_i2cwrite(dev, PAS106_REG2, I2c0, sizeof(I2c0), 1); + Et_i2cwrite(dev, PAS106_REG9, I2c2, sizeof(I2c2), 1); + value = 0x0a; + + Et_i2cwrite(dev, PAS106_REG2, &value, 1, 1); + Et_i2cwrite(dev, PAS106_REG3, I2c3, sizeof(I2c3), 1); + value = 0x04; + /* value = 0x10; */ + Et_i2cwrite(dev, PAS106_REG0e, &value, 1, 1); + /* bit 2 enable bit 1:2 select 0 1 2 3 + value = 0x07; * curve 0 * + Et_i2cwrite(dev,PAS106_REG0f,&value,1,1); + */ + } + +/* value = 0x01; */ +/* value = 0x22; */ +/* Et_i2cwrite(dev, PAS106_REG5, &value, 1, 1); */ + /* magnetude and sign bit for DAC */ + Et_i2cwrite(dev, PAS106_REG7, I2c4, sizeof I2c4, 1); + /* now set by fifo the whole colors setting */ + Et_RegWrite(dev, ET_G_RED, GainRGBG, 6); + getcolors(gspca_dev); + setcolors(gspca_dev); +} + +/* this function is called at probe time */ +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct cam *cam; + __u16 vendor; + __u16 product; + + vendor = id->idVendor; + product = id->idProduct; +/* switch (vendor) { */ +/* case 0x102c: * Etoms */ + switch (product) { + case 0x6151: + sd->sensor = SENSOR_PAS106; /* Etoms61x151 */ + break; + case 0x6251: + sd->sensor = SENSOR_TAS5130CXX; /* Etoms61x251 */ + break; +/* } */ +/* break; */ + } + cam = &gspca_dev->cam; + cam->dev_name = (char *) id->driver_info; + cam->epaddr = 1; + if (sd->sensor == SENSOR_PAS106) { + cam->cam_mode = sif_mode; + cam->nmodes = sizeof sif_mode / sizeof sif_mode[0]; + } else { + cam->cam_mode = vga_mode; + cam->nmodes = sizeof vga_mode / sizeof vga_mode[0]; + } + sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value; + sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value; + sd->colors = sd_ctrls[SD_COLOR].qctrl.default_value; + sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value; + return 0; +} + +/* this function is called at open time */ +static int sd_open(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + int err; + __u8 value; + + PDEBUG(D_STREAM, "Initialize ET1"); + if (sd->sensor == SENSOR_PAS106) + Et_init1(gspca_dev); + else + Et_init2(gspca_dev); + value = 0x08; + Et_RegWrite(dev, ET_RESET_ALL, &value, 1); + err = Et_videoOff(dev); + PDEBUG(D_STREAM, "Et_Init_VideoOff %d", err); + return 0; +} + +/* -- start the camera -- */ +static void sd_start(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + int err; + __u8 value; + + if (sd->sensor == SENSOR_PAS106) + Et_init1(gspca_dev); + else + Et_init2(gspca_dev); + + value = 0x08; + Et_RegWrite(dev, ET_RESET_ALL, &value, 1); + err = Et_videoOn(dev); + PDEBUG(D_STREAM, "Et_VideoOn %d", err); +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + int err; + + err = Et_videoOff(gspca_dev->dev); + PDEBUG(D_STREAM, "Et_VideoOff %d", err); + +} + +static void sd_stop0(struct gspca_dev *gspca_dev) +{ +} + +static void sd_close(struct gspca_dev *gspca_dev) +{ +} + +static void setbrightness(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int i; + __u8 brightness = sd->brightness; + + for (i = 0; i < 4; i++) + Et_RegWrite(gspca_dev->dev, (ET_O_RED + i), &brightness, 1); +} + +static void getbrightness(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int i; + int brightness = 0; + __u8 value = 0; + + for (i = 0; i < 4; i++) { + Et_RegRead(gspca_dev->dev, (ET_O_RED + i), &value, 1); + brightness += value; + } + sd->brightness = brightness >> 3; +} + +static void setcontrast(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; + __u8 contrast = sd->contrast; + + memset(RGBG, contrast, sizeof RGBG - 2); + Et_RegWrite(gspca_dev->dev, ET_G_RED, RGBG, 6); +} + +static void getcontrast(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int i; + int contrast = 0; + __u8 value = 0; + + for (i = 0; i < 4; i++) { + Et_RegRead(gspca_dev->dev, (ET_G_RED + i), &value, 1); + contrast += value; + } + sd->contrast = contrast >> 2; +} + +static __u8 Et_getgainG(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + __u8 value = 0; + + if (sd->sensor == SENSOR_PAS106) { + Et_i2cread(gspca_dev->dev, PAS106_REG0e, &value, 1, 1); + PDEBUG(D_CONF, "Etoms gain G %d", value); + return value; + } + return 0x1f; +} + +static void Et_setgainG(struct gspca_dev *gspca_dev, __u8 gain) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + __u8 i2cflags = 0x01; + + if (sd->sensor == SENSOR_PAS106) { + Et_i2cwrite(dev, PAS106_REG13, &i2cflags, 1, 3); + Et_i2cwrite(dev, PAS106_REG0e, &gain, 1, 1); + } +} + +#define BLIMIT(bright) \ + (__u8)((bright > 0x1f)?0x1f:((bright < 4)?3:bright)) +#define LIMIT(color) \ + (unsigned char)((color > 0xff)?0xff:((color < 0)?0:color)) + +static void setautogain(struct gspca_dev *gspca_dev) +{ + struct usb_device *dev = gspca_dev->dev; + __u8 GRBG[] = { 0, 0, 0, 0 }; + __u8 luma = 0; + __u8 luma_mean = 128; + __u8 luma_delta = 20; + __u8 spring = 4; + int Gbright = 0; + __u8 r, g, b; + + Gbright = Et_getgainG(gspca_dev); + Et_RegRead(dev, ET_LUMA_CENTER, GRBG, 4); + g = (GRBG[0] + GRBG[3]) >> 1; + r = GRBG[1]; + b = GRBG[2]; + r = ((r << 8) - (r << 4) - (r << 3)) >> 10; + b = ((b << 7) >> 10); + g = ((g << 9) + (g << 7) + (g << 5)) >> 10; + luma = LIMIT(r + g + b); + PDEBUG(D_FRAM, "Etoms luma G %d", luma); + if (luma < luma_mean - luma_delta || luma > luma_mean + luma_delta) { + Gbright += (luma_mean - luma) >> spring; + Gbright = BLIMIT(Gbright); + PDEBUG(D_FRAM, "Etoms Gbright %d", Gbright); + Et_setgainG(gspca_dev, (__u8) Gbright); + } +} + +#undef BLIMIT +#undef LIMIT + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + struct gspca_frame *frame, /* target */ + unsigned char *data, /* isoc packet */ + int len) /* iso packet length */ +{ + struct sd *sd; + int seqframe; + + seqframe = data[0] & 0x3f; + len = (int) (((data[0] & 0xc0) << 2) | data[1]); + if (seqframe == 0x3f) { + PDEBUG(D_FRAM, + "header packet found datalength %d !!", len); + PDEBUG(D_FRAM, "G %d R %d G %d B %d", + data[2], data[3], data[4], data[5]); + data += 30; + /* don't change datalength as the chips provided it */ + frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame, + data, 0); + gspca_frame_add(gspca_dev, FIRST_PACKET, frame, data, len); + sd = (struct sd *) gspca_dev; + if (sd->ag_cnt >= 0) { + if (--sd->ag_cnt < 0) { + sd->ag_cnt = AG_CNT_START; + setautogain(gspca_dev); + } + } + return; + } + if (len) { + data += 8; + gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); + } else { /* Drop Packet */ + gspca_dev->last_packet_type = DISCARD_PACKET; + } +} + +static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->brightness = val; + if (gspca_dev->streaming) + setbrightness(gspca_dev); + return 0; +} + +static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + getbrightness(gspca_dev); + *val = sd->brightness; + return 0; +} + +static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->contrast = val; + if (gspca_dev->streaming) + setcontrast(gspca_dev); + return 0; +} + +static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + getcontrast(gspca_dev); + *val = sd->contrast; + return 0; +} + +static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->colors = val; + if (gspca_dev->streaming) + setcolors(gspca_dev); + return 0; +} + +static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + getcolors(gspca_dev); + *val = sd->colors; + return 0; +} + +static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->autogain = val; + if (val) + sd->ag_cnt = AG_CNT_START; + else + sd->ag_cnt = -1; + return 0; +} + +static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->autogain; + return 0; +} + +/* sub-driver description */ +static struct sd_desc sd_desc = { + .name = MODULE_NAME, + .ctrls = sd_ctrls, + .nctrls = ARRAY_SIZE(sd_ctrls), + .config = sd_config, + .open = sd_open, + .start = sd_start, + .stopN = sd_stopN, + .stop0 = sd_stop0, + .close = sd_close, + .pkt_scan = sd_pkt_scan, +}; + +/* -- module initialisation -- */ +#define DVNM(name) .driver_info = (kernel_ulong_t) name +static __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x102c, 0x6151), DVNM("Qcam Sangha CIF")}, + {USB_DEVICE(0x102c, 0x6251), DVNM("Qcam xxxxxx VGA")}, + {} +}; + +MODULE_DEVICE_TABLE(usb, device_table); + +/* -- device connect -- */ +static int sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +}; + +/* -- module insert / remove -- */ +static int __init sd_mod_init(void) +{ + if (usb_register(&sd_driver) < 0) + return -1; + PDEBUG(D_PROBE, "v%s registered", version); + return 0; +} + +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); + PDEBUG(D_PROBE, "deregistered"); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit); |