diff options
Diffstat (limited to 'drivers/media/video/gspca/mars.c')
| -rw-r--r-- | drivers/media/video/gspca/mars.c | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c new file mode 100644 index 000000000000..88c2b02f380a --- /dev/null +++ b/drivers/media/video/gspca/mars.c @@ -0,0 +1,464 @@ +/* + * Mars-Semi MR97311A library + * Copyright (C) 2005 <bradlch@hotmail.com> + * + * 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 "mars" + +#include "gspca.h" +#include "jpeg.h" + +#define DRIVER_VERSION_NUMBER KERNEL_VERSION(2, 1, 7) +static const char version[] = "2.1.7"; + +MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); +MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver"); +MODULE_LICENSE("GPL"); + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + + char qindex; +}; + +/* V4L2 controls supported by the driver */ +static struct ctrl sd_ctrls[] = { +}; + +static struct v4l2_pix_format vga_mode[] = { + {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 320, + .sizeimage = 320 * 240 * 3 / 8 + 589, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 2}, + {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, + .bytesperline = 640, + .sizeimage = 640 * 480 * 3 / 8 + 590, + .colorspace = V4L2_COLORSPACE_JPEG, + .priv = 1}, +}; + +/* MI Register table //elvis */ +enum { + REG_HW_MI_0, + REG_HW_MI_1, + REG_HW_MI_2, + REG_HW_MI_3, + REG_HW_MI_4, + REG_HW_MI_5, + REG_HW_MI_6, + REG_HW_MI_7, + REG_HW_MI_9 = 0x09, + REG_HW_MI_B = 0x0B, + REG_HW_MI_C, + REG_HW_MI_D, + REG_HW_MI_1E = 0x1E, + REG_HW_MI_20 = 0x20, + REG_HW_MI_2B = 0x2B, + REG_HW_MI_2C, + REG_HW_MI_2D, + REG_HW_MI_2E, + REG_HW_MI_35 = 0x35, + REG_HW_MI_5F = 0x5f, + REG_HW_MI_60, + REG_HW_MI_61, + REG_HW_MI_62, + REG_HW_MI_63, + REG_HW_MI_64, + REG_HW_MI_F1 = 0xf1, + ATTR_TOTAL_MI_REG = 0xf2 +}; + +/* the bytes to write are in gspca_dev->usb_buf */ +static int reg_w(struct gspca_dev *gspca_dev, + __u16 index, int len) +{ + int rc; + + rc = usb_control_msg(gspca_dev->dev, + usb_sndbulkpipe(gspca_dev->dev, 4), + 0x12, + 0xc8, /* ?? */ + 0, /* value */ + index, gspca_dev->usb_buf, len, 500); + if (rc < 0) + PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc); + return rc; +} + +static int reg_w_buf(struct gspca_dev *gspca_dev, + __u16 index, __u8 *buf, int len) +{ + int rc; + + rc = usb_control_msg(gspca_dev->dev, + usb_sndbulkpipe(gspca_dev->dev, 4), + 0x12, + 0xc8, /* ?? */ + 0, /* value */ + index, buf, len, 500); + if (rc < 0) + PDEBUG(D_ERR, "reg write [%02x] error %d", index, rc); + return rc; +} + +static void bulk_w(struct gspca_dev *gspca_dev, + __u16 *pch, + __u16 Address) +{ + gspca_dev->usb_buf[0] = 0x1f; + gspca_dev->usb_buf[1] = 0; /* control byte */ + gspca_dev->usb_buf[2] = Address; + gspca_dev->usb_buf[3] = *pch >> 8; /* high byte */ + gspca_dev->usb_buf[4] = *pch; /* low byte */ + + reg_w(gspca_dev, Address, 5); +} + +/* 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; + + cam = &gspca_dev->cam; + cam->dev_name = (char *) id->driver_info; + cam->epaddr = 0x01; + cam->cam_mode = vga_mode; + cam->nmodes = sizeof vga_mode / sizeof vga_mode[0]; + sd->qindex = 1; /* set the quantization table */ + return 0; +} + +/* this function is called at open time */ +static int sd_open(struct gspca_dev *gspca_dev) +{ + return 0; +} + +static void sd_start(struct gspca_dev *gspca_dev) +{ + int err_code; + __u8 *data; + __u16 *MI_buf; + int h_size, v_size; + int intpipe; + + PDEBUG(D_STREAM, "camera start, iface %d, alt 8", gspca_dev->iface); + if (usb_set_interface(gspca_dev->dev, gspca_dev->iface, 8) < 0) { + PDEBUG(D_ERR|D_STREAM, "Set packet size: set interface error"); + return; + } + + data = gspca_dev->usb_buf; + data[0] = 0x01; /* address */ + data[1] = 0x01; + + err_code = reg_w(gspca_dev, data[0], 2); + if (err_code < 0) + return; + + /* + Initialize the MR97113 chip register + */ + data = kmalloc(16, GFP_KERNEL); + data[0] = 0x00; /* address */ + data[1] = 0x0c | 0x01; /* reg 0 */ + data[2] = 0x01; /* reg 1 */ + h_size = gspca_dev->width; + v_size = gspca_dev->height; + data[3] = h_size / 8; /* h_size , reg 2 */ + data[4] = v_size / 8; /* v_size , reg 3 */ + data[5] = 0x30; /* reg 4, MI, PAS5101 : + * 0x30 for 24mhz , 0x28 for 12mhz */ + data[6] = 4; /* reg 5, H start */ + data[7] = 0xc0; /* reg 6, gamma 1.5 */ + data[8] = 3; /* reg 7, V start */ +/* if (h_size == 320 ) */ +/* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */ +/* else */ + data[9] = 0x52; /* reg 8, 24MHz, no scale down */ + data[10] = 0x5d; /* reg 9, I2C device address + * [for PAS5101 (0x40)] [for MI (0x5d)] */ + + err_code = reg_w_buf(gspca_dev, data[0], data, 11); + kfree(data); + if (err_code < 0) + return; + + data = gspca_dev->usb_buf; + data[0] = 0x23; /* address */ + data[1] = 0x09; /* reg 35, append frame header */ + + err_code = reg_w(gspca_dev, data[0], 2); + if (err_code < 0) + return; + + data[0] = 0x3c; /* address */ +/* if (gspca_dev->width == 1280) */ +/* data[1] = 200; * reg 60, pc-cam frame size + * (unit: 4KB) 800KB */ +/* else */ + data[1] = 50; /* 50 reg 60, pc-cam frame size + * (unit: 4KB) 200KB */ + err_code = reg_w(gspca_dev, data[0], 2); + if (err_code < 0) + return; + + if (0) { /* fixed dark-gain */ + data[1] = 0; /* reg 94, Y Gain (1.75) */ + data[2] = 0; /* reg 95, UV Gain (1.75) */ + data[3] = 0x3f; /* reg 96, Y Gain/UV Gain/disable + * auto dark-gain */ + data[4] = 0; /* reg 97, set fixed dark level */ + data[5] = 0; /* reg 98, don't care */ + } else { /* auto dark-gain */ + data[1] = 0; /* reg 94, Y Gain (auto) */ + data[2] = 0; /* reg 95, UV Gain (1.75) */ + data[3] = 0x78; /* reg 96, Y Gain/UV Gain/disable + * auto dark-gain */ + switch (gspca_dev->width) { +/* case 1280: */ +/* data[4] = 154; + * reg 97, %3 shadow point (unit: 256 pixel) */ +/* data[5] = 51; + * reg 98, %1 highlight point + * (uint: 256 pixel) */ +/* break; */ + default: +/* case 640: */ + data[4] = 36; /* reg 97, %3 shadow point + * (unit: 256 pixel) */ + data[5] = 12; /* reg 98, %1 highlight point + * (uint: 256 pixel) */ + break; + case 320: + data[4] = 9; /* reg 97, %3 shadow point + * (unit: 256 pixel) */ + data[5] = 3; /* reg 98, %1 highlight point + * (uint: 256 pixel) */ + break; + } + } + /* auto dark-gain */ + data[0] = 0x5e; /* address */ + + err_code = reg_w(gspca_dev, data[0], 6); + if (err_code < 0) + return; + + data[0] = 0x67; + data[1] = 0x13; /* reg 103, first pixel B, disable sharpness */ + err_code = reg_w(gspca_dev, data[0], 2); + if (err_code < 0) + return; + + /* + * initialize the value of MI sensor... + */ + MI_buf = kzalloc(ATTR_TOTAL_MI_REG * sizeof *MI_buf, GFP_KERNEL); + MI_buf[REG_HW_MI_1] = 0x000a; + MI_buf[REG_HW_MI_2] = 0x000c; + MI_buf[REG_HW_MI_3] = 0x0405; + MI_buf[REG_HW_MI_4] = 0x0507; + /* mi_Attr_Reg_[REG_HW_MI_5] = 0x01ff;//13 */ + MI_buf[REG_HW_MI_5] = 0x0013; /* 13 */ + MI_buf[REG_HW_MI_6] = 0x001f; /* vertical blanking */ + /* mi_Attr_Reg_[REG_HW_MI_6] = 0x0400; // vertical blanking */ + MI_buf[REG_HW_MI_7] = 0x0002; + /* mi_Attr_Reg_[REG_HW_MI_9] = 0x015f; */ + /* mi_Attr_Reg_[REG_HW_MI_9] = 0x030f; */ + MI_buf[REG_HW_MI_9] = 0x0374; + MI_buf[REG_HW_MI_B] = 0x0000; + MI_buf[REG_HW_MI_C] = 0x0000; + MI_buf[REG_HW_MI_D] = 0x0000; + MI_buf[REG_HW_MI_1E] = 0x8000; +/* mi_Attr_Reg_[REG_HW_MI_20] = 0x1104; */ + MI_buf[REG_HW_MI_20] = 0x1104; /* 0x111c; */ + MI_buf[REG_HW_MI_2B] = 0x0008; +/* mi_Attr_Reg_[REG_HW_MI_2C] = 0x000f; */ + MI_buf[REG_HW_MI_2C] = 0x001f; /* lita suggest */ + MI_buf[REG_HW_MI_2D] = 0x0008; + MI_buf[REG_HW_MI_2E] = 0x0008; + MI_buf[REG_HW_MI_35] = 0x0051; + MI_buf[REG_HW_MI_5F] = 0x0904; /* fail to write */ + MI_buf[REG_HW_MI_60] = 0x0000; + MI_buf[REG_HW_MI_61] = 0x0000; + MI_buf[REG_HW_MI_62] = 0x0498; + MI_buf[REG_HW_MI_63] = 0x0000; + MI_buf[REG_HW_MI_64] = 0x0000; + MI_buf[REG_HW_MI_F1] = 0x0001; + /* changing while setting up the different value of dx/dy */ + + if (gspca_dev->width != 1280) { + MI_buf[0x01] = 0x010a; + MI_buf[0x02] = 0x014c; + MI_buf[0x03] = 0x01e5; + MI_buf[0x04] = 0x0287; + } + MI_buf[0x20] = 0x1104; + + bulk_w(gspca_dev, MI_buf + 1, 1); + bulk_w(gspca_dev, MI_buf + 2, 2); + bulk_w(gspca_dev, MI_buf + 3, 3); + bulk_w(gspca_dev, MI_buf + 4, 4); + bulk_w(gspca_dev, MI_buf + 5, 5); + bulk_w(gspca_dev, MI_buf + 6, 6); + bulk_w(gspca_dev, MI_buf + 7, 7); + bulk_w(gspca_dev, MI_buf + 9, 9); + bulk_w(gspca_dev, MI_buf + 0x0b, 0x0b); + bulk_w(gspca_dev, MI_buf + 0x0c, 0x0c); + bulk_w(gspca_dev, MI_buf + 0x0d, 0x0d); + bulk_w(gspca_dev, MI_buf + 0x1e, 0x1e); + bulk_w(gspca_dev, MI_buf + 0x20, 0x20); + bulk_w(gspca_dev, MI_buf + 0x2b, 0x2b); + bulk_w(gspca_dev, MI_buf + 0x2c, 0x2c); + bulk_w(gspca_dev, MI_buf + 0x2d, 0x2d); + bulk_w(gspca_dev, MI_buf + 0x2e, 0x2e); + bulk_w(gspca_dev, MI_buf + 0x35, 0x35); + bulk_w(gspca_dev, MI_buf + 0x5f, 0x5f); + bulk_w(gspca_dev, MI_buf + 0x60, 0x60); + bulk_w(gspca_dev, MI_buf + 0x61, 0x61); + bulk_w(gspca_dev, MI_buf + 0x62, 0x62); + bulk_w(gspca_dev, MI_buf + 0x63, 0x63); + bulk_w(gspca_dev, MI_buf + 0x64, 0x64); + bulk_w(gspca_dev, MI_buf + 0xf1, 0xf1); + kfree(MI_buf); + + intpipe = usb_sndintpipe(gspca_dev->dev, 0); + err_code = usb_clear_halt(gspca_dev->dev, intpipe); + + data[0] = 0x00; + data[1] = 0x4d; /* ISOC transfering enable... */ + reg_w(gspca_dev, data[0], 2); +} + +static void sd_stopN(struct gspca_dev *gspca_dev) +{ + int result; + + gspca_dev->usb_buf[0] = 1; + gspca_dev->usb_buf[1] = 0; + result = reg_w(gspca_dev, gspca_dev->usb_buf[0], 2); + if (result < 0) + PDEBUG(D_ERR, "Camera Stop failed"); +} + +static void sd_stop0(struct gspca_dev *gspca_dev) +{ +} + +static void sd_close(struct gspca_dev *gspca_dev) +{ +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + struct gspca_frame *frame, /* target */ + __u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + struct sd *sd = (struct sd *) gspca_dev; + int p; + + if (len < 6) { +/* gspca_dev->last_packet_type = DISCARD_PACKET; */ + return; + } + for (p = 0; p < len - 6; p++) { + if (data[0 + p] == 0xff + && data[1 + p] == 0xff + && data[2 + p] == 0x00 + && data[3 + p] == 0xff + && data[4 + p] == 0x96) { + if (data[5 + p] == 0x64 + || data[5 + p] == 0x65 + || data[5 + p] == 0x66 + || data[5 + p] == 0x67) { + PDEBUG(D_PACK, "sof offset: %d leng: %d", + p, len); + frame = gspca_frame_add(gspca_dev, LAST_PACKET, + frame, data, 0); + + /* put the JPEG header */ + jpeg_put_header(gspca_dev, frame, + sd->qindex, 0x21); + data += 16; + len -= 16; + break; + } + } + } + gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len); +} + +/* sub-driver description */ +static const 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 const __devinitdata struct usb_device_id device_table[] = { + {USB_DEVICE(0x093a, 0x050f), DVNM("Mars-Semi Pc-Camera")}, + {} +}; +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); |