/* * ov534-ov9xxx gspca driver * * Copyright (C) 2009-2011 Jean-Francois Moine http://moinejf.free.fr * Copyright (C) 2008 Antonio Ospite * Copyright (C) 2008 Jim Paris * * Based on a prototype written by Mark Ferrell * USB protocol reverse engineered by Jim Paris * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ * * 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 pr_fmt(fmt) KBUILD_MODNAME ": " fmt #define MODULE_NAME "ov534_9" #include "gspca.h" #define OV534_REG_ADDRESS 0xf1 /* sensor address */ #define OV534_REG_SUBADDR 0xf2 #define OV534_REG_WRITE 0xf3 #define OV534_REG_READ 0xf4 #define OV534_REG_OPERATION 0xf5 #define OV534_REG_STATUS 0xf6 #define OV534_OP_WRITE_3 0x37 #define OV534_OP_WRITE_2 0x33 #define OV534_OP_READ_2 0xf9 #define CTRL_TIMEOUT 500 MODULE_AUTHOR("Jean-Francois Moine "); MODULE_DESCRIPTION("GSPCA/OV534_9 USB Camera Driver"); MODULE_LICENSE("GPL"); /* controls */ enum e_ctrl { BRIGHTNESS, CONTRAST, AUTOGAIN, EXPOSURE, SHARPNESS, SATUR, LIGHTFREQ, NCTRLS /* number of controls */ }; /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ struct gspca_ctrl ctrls[NCTRLS]; __u32 last_pts; u8 last_fid; u8 sensor; }; enum sensors { SENSOR_OV965x, /* ov9657 */ SENSOR_OV971x, /* ov9712 */ SENSOR_OV562x, /* ov5621 */ NSENSORS }; /* V4L2 controls supported by the driver */ static void setbrightness(struct gspca_dev *gspca_dev); static void setcontrast(struct gspca_dev *gspca_dev); static void setautogain(struct gspca_dev *gspca_dev); static void setexposure(struct gspca_dev *gspca_dev); static void setsharpness(struct gspca_dev *gspca_dev); static void setsatur(struct gspca_dev *gspca_dev); static void setlightfreq(struct gspca_dev *gspca_dev); static const struct ctrl sd_ctrls[NCTRLS] = { [BRIGHTNESS] = { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Brightness", .minimum = 0, .maximum = 15, .step = 1, .default_value = 7 }, .set_control = setbrightness }, [CONTRAST] = { { .id = V4L2_CID_CONTRAST, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Contrast", .minimum = 0, .maximum = 15, .step = 1, .default_value = 3 }, .set_control = setcontrast }, [AUTOGAIN] = { { .id = V4L2_CID_AUTOGAIN, .type = V4L2_CTRL_TYPE_BOOLEAN, .name = "Autogain", .minimum = 0, .maximum = 1, .step = 1, #define AUTOGAIN_DEF 1 .default_value = AUTOGAIN_DEF, }, .set_control = setautogain }, [EXPOSURE] = { { .id = V4L2_CID_EXPOSURE, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Exposure", .minimum = 0, .maximum = 3, .step = 1, .default_value = 0 }, .set_control = setexposure }, [SHARPNESS] = { { .id = V4L2_CID_SHARPNESS, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Sharpness", .minimum = -1, /* -1 = auto */ .maximum = 4, .step = 1, .default_value = -1 }, .set_control = setsharpness }, [SATUR] = { { .id = V4L2_CID_SATURATION, .type = V4L2_CTRL_TYPE_INTEGER, .name = "Saturation", .minimum = 0, .maximum = 4, .step = 1, .default_value = 2 }, .set_control = setsatur }, [LIGHTFREQ] = { { .id = V4L2_CID_POWER_LINE_FREQUENCY, .type = V4L2_CTRL_TYPE_MENU, .name = "Light frequency filter", .minimum = 0, .maximum = 2, /* 0: 0, 1: 50Hz, 2:60Hz */ .step = 1, .default_value = 0 }, .set_control = setlightfreq }, }; static const struct v4l2_pix_format ov965x_mode[] = { #define QVGA_MODE 0 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 320, .sizeimage = 320 * 240 * 3 / 8 + 590, .colorspace = V4L2_COLORSPACE_JPEG}, #define VGA_MODE 1 {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 640, .sizeimage = 640 * 480 * 3 / 8 + 590, .colorspace = V4L2_COLORSPACE_JPEG}, #define SVGA_MODE 2 {800, 600, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 800, .sizeimage = 800 * 600 * 3 / 8 + 590, .colorspace = V4L2_COLORSPACE_JPEG}, #define XGA_MODE 3 {1024, 768, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 1024, .sizeimage = 1024 * 768 * 3 / 8 + 590, .colorspace = V4L2_COLORSPACE_JPEG}, #define SXGA_MODE 4 {1280, 1024, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, .bytesperline = 1280, .sizeimage = 1280 * 1024 * 3 / 8 + 590, .colorspace = V4L2_COLORSPACE_JPEG}, }; static const struct v4l2_pix_format ov971x_mode[] = { {640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 640, .sizeimage = 640 * 480, .colorspace = V4L2_COLORSPACE_SRGB } }; static const struct v4l2_pix_format ov562x_mode[] = { {2592, 1680, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 2592, .sizeimage = 2592 * 1680, .colorspace = V4L2_COLORSPACE_SRGB } }; static const u8 bridge_init[][2] = { {0x88, 0xf8}, {0x89, 0xff}, {0x76, 0x03}, {0x92, 0x03}, {0x95, 0x10}, {0xe2, 0x00}, {0xe7, 0x3e}, {0x8d, 0x1c}, {0x8e, 0x00}, {0x8f, 0x00}, {0x1f, 0x00}, {0xc3, 0xf9}, {0x89, 0xff}, {0x88, 0xf8}, {0x76, 0x03}, {0x92, 0x01}, {0x93, 0x18}, {0x1c, 0x0a}, {0x1d, 0x48}, {0xc0, 0x50}, {0xc1, 0x3c}, {0x34, 0x05}, {0xc2, 0x0c}, {0xc3, 0xf9}, {0x34, 0x05}, {0xe7, 0x2e}, {0x31, 0xf9}, {0x35, 0x02}, {0xd9, 0x10}, {0x25, 0x42}, {0x94, 0x11}, }; static const u8 ov965x_init[][2] = { {0x12, 0x80}, /* com7 - SSCB reset */ {0x00, 0x00}, /* gain */ {0x01, 0x80}, /* blue */ {0x02, 0x80}, /* red */ {0x03, 0x1b}, /* vref */ {0x04, 0x03}, /* com1 - exposure low bits */ {0x0b, 0x57}, /* ver */ {0x0e, 0x61}, /* com5 */ {0x0f, 0x42}, /* com6 */ {0x11, 0x00}, /* clkrc */ {0x12, 0x02}, /* com7 - 15fps VGA YUYV */ {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x14, 0x28}, /* com9 */ {0x16, 0x24}, /* reg16 */ {0x17, 0x1d}, /* hstart*/ {0x18, 0xbd}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x81}, /* vstop*/ {0x1e, 0x04}, /* mvfp */ {0x24, 0x3c}, /* aew */ {0x25, 0x36}, /* aeb */ {0x26, 0x71}, /* vpt */ {0x27, 0x08}, /* bbias */ {0x28, 0x08}, /* gbbias */ {0x29, 0x15}, /* gr com */ {0x2a, 0x00}, /* exhch */ {0x2b, 0x00}, /* exhcl */ {0x2c, 0x08}, /* rbias */ {0x32, 0xff}, /* href */ {0x33, 0x00}, /* chlf */ {0x34, 0x3f}, /* aref1 */ {0x35, 0x00}, /* aref2 */ {0x36, 0xf8}, /* aref3 */ {0x38, 0x72}, /* adc2 */ {0x39, 0x57}, /* aref4 */ {0x3a, 0x80}, /* tslb - yuyv */ {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */ {0x3d, 0x99}, /* com13 */ {0x3f, 0xc1}, /* edge */ {0x40, 0xc0}, /* com15 */ {0x41, 0x40}, /* com16 */ {0x42, 0xc0}, /* com17 */ {0x43, 0x0a}, /* rsvd */ {0x44, 0xf0}, {0x45, 0x46}, {0x46, 0x62}, {0x47, 0x2a}, {0x48, 0x3c}, {0x4a, 0xfc}, {0x4b, 0xfc}, {0x4c, 0x7f}, {0x4d, 0x7f}, {0x4e, 0x7f}, {0x4f, 0x98}, /* matrix */ {0x50, 0x98}, {0x51, 0x00}, {0x52, 0x28}, {0x53, 0x70}, {0x54, 0x98}, {0x58, 0x1a}, /* matrix coef sign */ {0x59, 0x85}, /* AWB control */ {0x5a, 0xa9}, {0x5b, 0x64}, {0x5c, 0x84}, {0x5d, 0x53}, {0x5e, 0x0e}, {0x5f, 0xf0}, /* AWB blue limit */ {0x60, 0xf0}, /* AWB red limit */ {0x61, 0xf0}, /* AWB green limit */ {0x62, 0x00}, /* lcc1 */ {0x63, 0x00}, /* lcc2 */ {0x64, 0x02}, /* lcc3 */ {0x65, 0x16}, /* lcc4 */ {0x66, 0x01}, /* lcc5 */ {0x69, 0x02}, /* hv */ {0x6b, 0x5a}, /* dbvl */ {0x6c, 0x04}, {0x6d, 0x55}, {0x6e, 0x00}, {0x6f, 0x9d}, {0x70, 0x21}, /* dnsth */ {0x71, 0x78}, {0x72, 0x00}, /* poidx */ {0x73, 0x01}, /* pckdv */ {0x74, 0x3a}, /* xindx */ {0x75, 0x35}, /* yindx */ {0x76, 0x01}, {0x77, 0x02}, {0x7a, 0x12}, /* gamma curve */ {0x7b, 0x08}, {0x7c, 0x16}, {0x7d, 0x30}, {0x7e, 0x5e}, {0x7f, 0x72}, {0x80, 0x82}, {0x81, 0x8e}, {0x82, 0x9a}, {0x83, 0xa4}, {0x84, 0xac}, {0x85, 0xb8}, {0x86, 0xc3}, {0x87, 0xd6}, {0x88, 0xe6}, {0x89, 0xf2}, {0x8a, 0x03}, {0x8c, 0x89}, /* com19 */ {0x14, 0x28}, /* com9 */ {0x90, 0x7d}, {0x91, 0x7b}, {0x9d, 0x03}, /* lcc6 */ {0x9e, 0x04}, /* lcc7 */ {0x9f, 0x7a}, {0xa0, 0x79}, {0xa1, 0x40}, /* aechm */ {0xa4, 0x50}, /* com21 */ {0xa5, 0x68}, /* com26 */ {0xa6, 0x4a}, /* AWB green */ {0xa8, 0xc1}, /* refa8 */ {0xa9, 0xef}, /* refa9 */ {0xaa, 0x92}, {0xab, 0x04}, {0xac, 0x80}, /* black level control */ {0xad, 0x80}, {0xae, 0x80}, {0xaf, 0x80}, {0xb2, 0xf2}, {0xb3, 0x20}, {0xb4, 0x20}, /* ctrlb4 */ {0xb5, 0x00}, {0xb6, 0xaf}, {0xbb, 0xae}, {0xbc, 0x7f}, /* ADC channel offsets */ {0xdb, 0x7f}, {0xbe, 0x7f}, {0xbf, 0x7f}, {0xc0, 0xe2}, {0xc1, 0xc0}, {0xc2, 0x01}, {0xc3, 0x4e}, {0xc6, 0x85}, {0xc7, 0x80}, /* com24 */ {0xc9, 0xe0}, {0xca, 0xe8}, {0xcb, 0xf0}, {0xcc, 0xd8}, {0xcd, 0xf1}, {0x4f, 0x98}, /* matrix */ {0x50, 0x98}, {0x51, 0x00}, {0x52, 0x28}, {0x53, 0x70}, {0x54, 0x98}, {0x58, 0x1a}, {0xff, 0x41}, /* read 41, write ff 00 */ {0x41, 0x40}, /* com16 */ {0xc5, 0x03}, /* 60 Hz banding filter */ {0x6a, 0x02}, /* 50 Hz banding filter */ {0x12, 0x62}, /* com7 - 30fps VGA YUV */ {0x36, 0xfa}, /* aref3 */ {0x69, 0x0a}, /* hv */ {0x8c, 0x89}, /* com22 */ {0x14, 0x28}, /* com9 */ {0x3e, 0x0c}, {0x41, 0x40}, /* com16 */ {0x72, 0x00}, {0x73, 0x00}, {0x74, 0x3a}, {0x75, 0x35}, {0x76, 0x01}, {0xc7, 0x80}, {0x03, 0x12}, /* vref */ {0x17, 0x16}, /* hstart */ {0x18, 0x02}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x3d}, /* vstop */ {0x32, 0xff}, /* href */ {0xc0, 0xaa}, }; static const u8 bridge_init_2[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0x50}, {0xc1, 0x3c}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x0c}, {0xc3, 0xf9}, {0xda, 0x01}, {0x50, 0x00}, {0x51, 0xa0}, {0x52, 0x3c}, {0x53, 0x00}, {0x54, 0x00}, {0x55, 0x00}, {0x57, 0x00}, {0x5c, 0x00}, {0x5a, 0xa0}, {0x5b, 0x78}, {0x35, 0x02}, {0xd9, 0x10}, {0x94, 0x11}, }; static const u8 ov965x_init_2[][2] = { {0x3b, 0xc4}, {0x1e, 0x04}, /* mvfp */ {0x13, 0xe0}, /* com8 */ {0x00, 0x00}, /* gain */ {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x11, 0x03}, /* clkrc */ {0x6b, 0x5a}, /* dblv */ {0x6a, 0x05}, {0xc5, 0x07}, {0xa2, 0x4b}, {0xa3, 0x3e}, {0x2d, 0x00}, {0xff, 0x42}, /* read 42, write ff 00 */ {0x42, 0xc0}, /* com17 */ {0x2d, 0x00}, {0xff, 0x42}, /* read 42, write ff 00 */ {0x42, 0xc1}, /* com17 */ /* sharpness */ {0x3f, 0x01}, {0xff, 0x42}, /* read 42, write ff 00 */ {0x42, 0xc1}, /* com17 */ /* saturation */ {0x4f, 0x98}, /* matrix */ {0x50, 0x98}, {0x51, 0x00}, {0x52, 0x28}, {0x53, 0x70}, {0x54, 0x98}, {0x58, 0x1a}, {0xff, 0x41}, /* read 41, write ff 00 */ {0x41, 0x40}, /* com16 */ /* contrast */ {0x56, 0x40}, /* brightness */ {0x55, 0x8f}, /* expo */ {0x10, 0x25}, /* aech - exposure high bits */ {0xff, 0x13}, /* read 13, write ff 00 */ {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ }; static const u8 ov971x_init[][2] = { {0x12, 0x80}, {0x09, 0x10}, {0x1e, 0x07}, {0x5f, 0x18}, {0x69, 0x04}, {0x65, 0x2a}, {0x68, 0x0a}, {0x39, 0x28}, {0x4d, 0x90}, {0xc1, 0x80}, {0x0c, 0x30}, {0x6d, 0x02}, {0x96, 0xf1}, {0xbc, 0x68}, {0x12, 0x00}, {0x3b, 0x00}, {0x97, 0x80}, {0x17, 0x25}, {0x18, 0xa2}, {0x19, 0x01}, {0x1a, 0xca}, {0x03, 0x0a}, {0x32, 0x07}, {0x98, 0x40}, /*{0x98, 0x00},*/ {0x99, 0xA0}, /*{0x99, 0x00},*/ {0x9a, 0x01}, /*{0x9a, 0x00},*/ {0x57, 0x00}, {0x58, 0x78}, /*{0x58, 0xc8},*/ {0x59, 0x50}, /*{0x59, 0xa0},*/ {0x4c, 0x13}, {0x4b, 0x36}, {0x3d, 0x3c}, {0x3e, 0x03}, {0xbd, 0x50}, /*{0xbd, 0xa0},*/ {0xbe, 0x78}, /*{0xbe, 0xc8},*/ {0x4e, 0x55}, {0x4f, 0x55}, {0x50, 0x55}, {0x51, 0x55}, {0x24, 0x55}, {0x25, 0x40}, {0x26, 0xa1}, {0x5c, 0x59}, {0x5d, 0x00}, {0x11, 0x00}, {0x2a, 0x98}, {0x2b, 0x06}, {0x2d, 0x00}, {0x2e, 0x00}, {0x13, 0xa5}, {0x14, 0x40}, {0x4a, 0x00}, {0x49, 0xce}, {0x22, 0x03}, {0x09, 0x00} }; static const u8 ov965x_start_1_vga[][2] = { /* same for qvga */ {0x12, 0x62}, /* com7 - 30fps VGA YUV */ {0x36, 0xfa}, /* aref3 */ {0x69, 0x0a}, /* hv */ {0x8c, 0x89}, /* com22 */ {0x14, 0x28}, /* com9 */ {0x3e, 0x0c}, /* com14 */ {0x41, 0x40}, /* com16 */ {0x72, 0x00}, {0x73, 0x00}, {0x74, 0x3a}, {0x75, 0x35}, {0x76, 0x01}, {0xc7, 0x80}, /* com24 */ {0x03, 0x12}, /* vref */ {0x17, 0x16}, /* hstart */ {0x18, 0x02}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x3d}, /* vstop */ {0x32, 0xff}, /* href */ {0xc0, 0xaa}, }; static const u8 ov965x_start_1_svga[][2] = { {0x12, 0x02}, /* com7 - YUYV - VGA 15 full resolution */ {0x36, 0xf8}, /* aref3 */ {0x69, 0x02}, /* hv */ {0x8c, 0x0d}, /* com22 */ {0x3e, 0x0c}, /* com14 */ {0x41, 0x40}, /* com16 */ {0x72, 0x00}, {0x73, 0x01}, {0x74, 0x3a}, {0x75, 0x35}, {0x76, 0x01}, {0xc7, 0x80}, /* com24 */ {0x03, 0x1b}, /* vref */ {0x17, 0x1d}, /* hstart */ {0x18, 0xbd}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x81}, /* vstop */ {0x32, 0xff}, /* href */ {0xc0, 0xe2}, }; static const u8 ov965x_start_1_xga[][2] = { {0x12, 0x02}, /* com7 */ {0x36, 0xf8}, /* aref3 */ {0x69, 0x02}, /* hv */ {0x8c, 0x89}, /* com22 */ {0x14, 0x28}, /* com9 */ {0x3e, 0x0c}, /* com14 */ {0x41, 0x40}, /* com16 */ {0x72, 0x00}, {0x73, 0x01}, {0x74, 0x3a}, {0x75, 0x35}, {0x76, 0x01}, {0xc7, 0x80}, /* com24 */ {0x03, 0x1b}, /* vref */ {0x17, 0x1d}, /* hstart */ {0x18, 0xbd}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x81}, /* vstop */ {0x32, 0xff}, /* href */ {0xc0, 0xe2}, }; static const u8 ov965x_start_1_sxga[][2] = { {0x12, 0x02}, /* com7 */ {0x36, 0xf8}, /* aref3 */ {0x69, 0x02}, /* hv */ {0x8c, 0x89}, /* com22 */ {0x14, 0x28}, /* com9 */ {0x3e, 0x0c}, /* com14 */ {0x41, 0x40}, /* com16 */ {0x72, 0x00}, {0x73, 0x01}, {0x74, 0x3a}, {0x75, 0x35}, {0x76, 0x01}, {0xc7, 0x80}, /* com24 */ {0x03, 0x1b}, /* vref */ {0x17, 0x1d}, /* hstart */ {0x18, 0x02}, /* hstop */ {0x19, 0x01}, /* vstrt */ {0x1a, 0x81}, /* vstop */ {0x32, 0xff}, /* href */ {0xc0, 0xe2}, }; static const u8 bridge_start_qvga[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0x50}, {0xc1, 0x3c}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x4c}, {0xc3, 0xf9}, {0xda, 0x00}, {0x50, 0x00}, {0x51, 0xa0}, {0x52, 0x78}, {0x53, 0x00}, {0x54, 0x00}, {0x55, 0x00}, {0x57, 0x00}, {0x5c, 0x00}, {0x5a, 0x50}, {0x5b, 0x3c}, {0x35, 0x02}, {0xd9, 0x10}, {0x94, 0x11}, }; static const u8 bridge_start_vga[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0x50}, {0xc1, 0x3c}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x0c}, {0xc3, 0xf9}, {0xda, 0x01}, {0x50, 0x00}, {0x51, 0xa0}, {0x52, 0x3c}, {0x53, 0x00}, {0x54, 0x00}, {0x55, 0x00}, {0x57, 0x00}, {0x5c, 0x00}, {0x5a, 0xa0}, {0x5b, 0x78}, {0x35, 0x02}, {0xd9, 0x10}, {0x94, 0x11}, }; static const u8 bridge_start_svga[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0xa0}, {0xc1, 0x80}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x4c}, {0xc3, 0xf9}, {0x50, 0x00}, {0x51, 0x40}, {0x52, 0x00}, {0x53, 0x00}, {0x54, 0x00}, {0x55, 0x88}, {0x57, 0x00}, {0x5c, 0x00}, {0x5a, 0xc8}, {0x5b, 0x96}, {0x35, 0x02}, {0xd9, 0x10}, {0xda, 0x00}, {0x94, 0x11}, }; static const u8 bridge_start_xga[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0xa0}, {0xc1, 0x80}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x4c}, {0xc3, 0xf9}, {0x50, 0x00}, {0x51, 0x40}, {0x52, 0x00}, {0x53, 0x00}, {0x54, 0x00}, {0x55, 0x88}, {0x57, 0x00}, {0x5c, 0x01}, {0x5a, 0x00}, {0x5b, 0xc0}, {0x35, 0x02}, {0xd9, 0x10}, {0xda, 0x01}, {0x94, 0x11}, }; static const u8 bridge_start_sxga[][2] = { {0x94, 0xaa}, {0xf1, 0x60}, {0xe5, 0x04}, {0xc0, 0xa0}, {0xc1, 0x80}, {0x8c, 0x00}, {0x8d, 0x1c}, {0x34, 0x05}, {0xc2, 0x0c}, {0xc3, 0xf9}, {0xda, 0x00}, {0x35, 0x02}, {0xd9, 0x10}, {0x94, 0x11}, }; static const u8 ov965x_start_2_qvga[][2] = { {0x3b, 0xe4}, /* com11 - night mode 1/4 frame rate */ {0x1e, 0x04}, /* mvfp */ {0x13, 0xe0}, /* com8 */ {0x00, 0x00}, {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x11, 0x01}, /* clkrc */ {0x6b, 0x5a}, /* dblv */ {0x6a, 0x02}, /* 50 Hz banding filter */ {0xc5, 0x03}, /* 60 Hz banding filter */ {0xa2, 0x96}, /* bd50 */ {0xa3, 0x7d}, /* bd60 */ {0xff, 0x13}, /* read 13, write ff 00 */ {0x13, 0xe7}, {0x3a, 0x80}, /* tslb - yuyv */ }; static const u8 ov965x_start_2_vga[][2] = { {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */ {0x1e, 0x04}, /* mvfp */ {0x13, 0xe0}, /* com8 */ {0x00, 0x00}, {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x11, 0x03}, /* clkrc */ {0x6b, 0x5a}, /* dblv */ {0x6a, 0x05}, /* 50 Hz banding filter */ {0xc5, 0x07}, /* 60 Hz banding filter */ {0xa2, 0x4b}, /* bd50 */ {0xa3, 0x3e}, /* bd60 */ {0x2d, 0x00}, /* advfl */ }; static const u8 ov965x_start_2_svga[][2] = { /* same for xga */ {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */ {0x1e, 0x04}, /* mvfp */ {0x13, 0xe0}, /* com8 */ {0x00, 0x00}, {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x11, 0x01}, /* clkrc */ {0x6b, 0x5a}, /* dblv */ {0x6a, 0x0c}, /* 50 Hz banding filter */ {0xc5, 0x0f}, /* 60 Hz banding filter */ {0xa2, 0x4e}, /* bd50 */ {0xa3, 0x41}, /* bd60 */ }; static const u8 ov965x_start_2_sxga[][2] = { {0x13, 0xe0}, /* com8 */ {0x00, 0x00}, {0x13, 0xe7}, /* com8 - everything (AGC, AWB and AEC) */ {0x3b, 0xc4}, /* com11 - night mode 1/4 frame rate */ {0x1e, 0x04}, /* mvfp */ {0x11, 0x01}, /* clkrc */ {0x6b, 0x5a}, /* dblv */ {0x6a, 0x0c}, /* 50 Hz banding filter */ {0xc5, 0x0f}, /* 60 Hz banding filter */ {0xa2, 0x4e}, /* bd50 */ {0xa3, 0x41}, /* bd60 */ }; static const u8 ov562x_init[][2] = { {0x88, 0x20}, {0x89, 0x0a}, {0x8a, 0x90}, {0x8b, 0x06}, {0x8c, 0x01}, {0x8d, 0x10}, {0x1c, 0x00}, {0x1d, 0x48}, {0x1d, 0x00}, {0x1d, 0xff}, {0x1c, 0x0a}, {0x1d, 0x2e}, {0x1d, 0x1e}, }; static const u8 ov562x_init_2[][2] = { {0x12, 0x80}, {0x11, 0x41}, {0x13, 0x00}, {0x10, 0x1e}, {0x3b, 0x07}, {0x5b, 0x40}, {0x39, 0x07}, {0x53, 0x02}, {0x54, 0x60}, {0x04, 0x20}, {0x27, 0x04}, {0x3d, 0x40}, {0x36, 0x00}, {0xc5, 0x04}, {0x4e, 0x00}, {0x4f, 0x93}, {0x50, 0x7b}, {0xca, 0x0c}, {0xcb, 0x0f}, {0x39, 0x07}, {0x4a, 0x10}, {0x3e, 0x0a}, {0x3d, 0x00}, {0x0c, 0x38}, {0x38, 0x90}, {0x46, 0x30}, {0x4f, 0x93}, {0x50, 0x7b}, {0xab, 0x00}, {0xca, 0x0c}, {0xcb, 0x0f}, {0x37, 0x02}, {0x44, 0x48}, {0x8d, 0x44}, {0x2a, 0x00}, {0x2b, 0x00}, {0x32, 0x00}, {0x38, 0x90}, {0x53, 0x02}, {0x54, 0x60}, {0x12, 0x00}, {0x17, 0x12}, {0x18, 0xb4}, {0x19, 0x0c}, {0x1a, 0xf4}, {0x03, 0x4a}, {0x89, 0x20}, {0x83, 0x80}, {0xb7, 0x9d}, {0xb6, 0x11}, {0xb5, 0x55}, {0xb4, 0x00}, {0xa9, 0xf0}, {0xa8, 0x0a}, {0xb8, 0xf0}, {0xb9, 0xf0}, {0xba, 0xf0}, {0x81, 0x07}, {0x63, 0x44}, {0x13, 0xc7}, {0x14, 0x60}, {0x33, 0x75}, {0x2c, 0x00}, {0x09, 0x00}, {0x35, 0x30}, {0x27, 0x04}, {0x3c, 0x07}, {0x3a, 0x0a}, {0x3b, 0x07}, {0x01, 0x40}, {0x02, 0x40}, {0x16, 0x40}, {0x52, 0xb0}, {0x51, 0x83}, {0x21, 0xbb}, {0x22, 0x10}, {0x23, 0x03}, {0x35, 0x38}, {0x20, 0x90}, {0x28, 0x30}, {0x73, 0xe1}, {0x6c, 0x00}, {0x6d, 0x80}, {0x6e, 0x00}, {0x70, 0x04}, {0x71, 0x00}, {0x8d, 0x04}, {0x64, 0x00}, {0x65, 0x00}, {0x66, 0x00}, {0x67, 0x00}, {0x68, 0x00}, {0x69, 0x00}, {0x6a, 0x00}, {0x6b, 0x00}, {0x71, 0x94}, {0x74, 0x20}, {0x80, 0x09}, {0x85, 0xc0}, }; static void reg_w_i(struct gspca_dev *gspca_dev, u16 reg, u8 val) { struct usb_device *udev = gspca_dev->dev; int ret; if (gspca_dev->usb_err < 0) return; gspca_dev->usb_buf[0] = val; ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x01, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); if (ret < 0) { pr_err("reg_w failed %d\n", ret); gspca_dev->usb_err = ret; } } static void reg_w(struct gspca_dev *gspca_dev, u16 reg, u8 val) { PDEBUG(D_USBO, "reg_w [%04x] = %02x", reg, val); reg_w_i(gspca_dev, reg, val); } static u8 reg_r(struct gspca_dev *gspca_dev, u16 reg) { struct usb_device *udev = gspca_dev->dev; int ret; if (gspca_dev->usb_err < 0) return 0; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), 0x01, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); PDEBUG(D_USBI, "reg_r [%04x] -> %02x", reg, gspca_dev->usb_buf[0]); if (ret < 0) { pr_err("reg_r err %d\n", ret); gspca_dev->usb_err = ret; } return gspca_dev->usb_buf[0]; } static int sccb_check_status(struct gspca_dev *gspca_dev) { u8 data; int i; for (i = 0; i < 5; i++) { msleep(10); data = reg_r(gspca_dev, OV534_REG_STATUS); switch (data) { case 0x00: return 1; case 0x04: return 0; case 0x03: break; default: PDEBUG(D_USBI|D_USBO, "sccb status 0x%02x, attempt %d/5", data, i + 1); } } return 0; } static void sccb_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) { PDEBUG(D_USBO, "sccb_write [%02x] = %02x", reg, val); reg_w_i(gspca_dev, OV534_REG_SUBADDR, reg); reg_w_i(gspca_dev, OV534_REG_WRITE, val); reg_w_i(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); if (!sccb_check_status(gspca_dev)) pr_err("sccb_write failed\n"); } static u8 sccb_read(struct gspca_dev *gspca_dev, u16 reg) { reg_w(gspca_dev, OV534_REG_SUBADDR, reg); reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); if (!sccb_check_status(gspca_dev)) pr_err("sccb_read failed 1\n"); reg_w(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); if (!sccb_check_status(gspca_dev)) pr_err("sccb_read failed 2\n"); return reg_r(gspca_dev, OV534_REG_READ); } /* output a bridge sequence (reg - val) */ static void reg_w_array(struct gspca_dev *gspca_dev, const u8 (*data)[2], int len) { while (--len >= 0) { reg_w(gspca_dev, (*data)[0], (*data)[1]); data++; } } /* output a sensor sequence (reg - val) */ static void sccb_w_array(struct gspca_dev *gspca_dev, const u8 (*data)[2], int len) { while (--len >= 0) { if ((*data)[0] != 0xff) { sccb_write(gspca_dev, (*data)[0], (*data)[1]); } else { sccb_read(gspca_dev, (*data)[1]); sccb_write(gspca_dev, 0xff, 0x00); } data++; } } /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. * (direction and output)? */ static void set_led(struct gspca_dev *gspca_dev, int status) { u8 data; PDEBUG(D_CONF, "led status: %d", status); data = reg_r(gspca_dev, 0x21); data |= 0x80; reg_w(gspca_dev, 0x21, data); data = reg_r(gspca_dev, 0x23); if (status) data |= 0x80; else data &= ~0x80; reg_w(gspca_dev, 0x23, data); if (!status) { data = reg_r(gspca_dev, 0x21); data &= ~0x80; reg_w(gspca_dev, 0x21, data); } } static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u8 val; s8 sval; if (gspca_dev->ctrl_dis & (1 << BRIGHTNESS)) return; if (sd->sensor == SENSOR_OV562x) { sval = sd->ctrls[BRIGHTNESS].val; val = 0x76; val += sval; sccb_write(gspca_dev, 0x24, val); val = 0x6a; val += sval; sccb_write(gspca_dev, 0x25, val); if (sval < -40) val = 0x71; else if (sval < 20) val = 0x94; else val = 0xe6; sccb_write(gspca_dev, 0x26, val); } else { val = sd->ctrls[BRIGHTNESS].val; if (val < 8) val = 15 - val; /* f .. 8 */ else val = val - 8; /* 0 .. 7 */ sccb_write(gspca_dev, 0x55, /* brtn - brightness adjustment */ 0x0f | (val << 4)); } } static void setcontrast(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (gspca_dev->ctrl_dis & (1 << CONTRAST)) return; sccb_write(gspca_dev, 0x56, /* cnst1 - contrast 1 ctrl coeff */ sd->ctrls[CONTRAST].val << 4); } static void setautogain(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u8 val; if (gspca_dev->ctrl_dis & (1 << AUTOGAIN)) return; /*fixme: should adjust agc/awb/aec by different controls */ val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); if (sd->ctrls[AUTOGAIN].val) val |= 0x05; /* agc & aec */ else val &= 0xfa; sccb_write(gspca_dev, 0x13, val); } static void setexposure(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u8 val; static const u8 expo[4] = {0x00, 0x25, 0x38, 0x5e}; if (gspca_dev->ctrl_dis & (1 << EXPOSURE)) return; sccb_write(gspca_dev, 0x10, /* aec[9:2] */ expo[sd->ctrls[EXPOSURE].val]); val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); sccb_write(gspca_dev, 0x13, val); val = sccb_read(gspca_dev, 0xa1); /* aech */ sccb_write(gspca_dev, 0xff, 0x00); sccb_write(gspca_dev, 0xa1, val & 0xe0); /* aec[15:10] = 0 */ } static void setsharpness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; s8 val; if (gspca_dev->ctrl_dis & (1 << SHARPNESS)) return; val = sd->ctrls[SHARPNESS].val; if (val < 0) { /* auto */ val = sccb_read(gspca_dev, 0x42); /* com17 */ sccb_write(gspca_dev, 0xff, 0x00); sccb_write(gspca_dev, 0x42, val | 0x40); /* Edge enhancement strength auto adjust */ return; } if (val != 0) val = 1 << (val - 1); sccb_write(gspca_dev, 0x3f, /* edge - edge enhance. factor */ val); val = sccb_read(gspca_dev, 0x42); /* com17 */ sccb_write(gspca_dev, 0xff, 0x00); sccb_write(gspca_dev, 0x42, val & 0xbf); } static void setsatur(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u8 val1, val2, val3; static const u8 matrix[5][2] = { {0x14, 0x38}, {0x1e, 0x54}, {0x28, 0x70}, {0x32, 0x8c}, {0x48, 0x90} }; if (gspca_dev->ctrl_dis & (1 << SATUR)) return; val1 = matrix[sd->ctrls[SATUR].val][0]; val2 = matrix[sd->ctrls[SATUR].val][1]; val3 = val1 + val2; sccb_write(gspca_dev, 0x4f, val3); /* matrix coeff */ sccb_write(gspca_dev, 0x50, val3); sccb_write(gspca_dev, 0x51, 0x00); sccb_write(gspca_dev, 0x52, val1); sccb_write(gspca_dev, 0x53, val2); sccb_write(gspca_dev, 0x54, val3); sccb_write(gspca_dev, 0x58, 0x1a); /* mtxs - coeff signs */ val1 = sccb_read(gspca_dev, 0x41); /* com16 */ sccb_write(gspca_dev, 0xff, 0x00); sccb_write(gspca_dev, 0x41, val1); } static void setlightfreq(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u8 val; if (gspca_dev->ctrl_dis & (1 << LIGHTFREQ)) return; val = sccb_read(gspca_dev, 0x13); /* com8 */ sccb_write(gspca_dev, 0xff, 0x00); if (sd->ctrls[LIGHTFREQ].val == 0) { sccb_write(gspca_dev, 0x13, val & 0xdf); return; } sccb_write(gspca_dev, 0x13, val | 0x20); val = sccb_read(gspca_dev, 0x42); /* com17 */ sccb_write(gspca_dev, 0xff, 0x00); if (sd->ctrls[LIGHTFREQ].val == 1) val |= 0x01; else val &= 0xfe; sccb_write(gspca_dev, 0x42, val); } /* 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; gspca_dev->cam.ctrls = sd->ctrls; #if AUTOGAIN_DEF != 0 gspca_dev->ctrl_inac |= (1 << EXPOSURE); #endif return 0; } /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; u16 sensor_id; /* reset bridge */ reg_w(gspca_dev, 0xe7, 0x3a); reg_w(gspca_dev, 0xe0, 0x08); msleep(100); /* initialize the sensor address */ reg_w(gspca_dev, OV534_REG_ADDRESS, 0x60); /* reset sensor */ sccb_write(gspca_dev, 0x12, 0x80); msleep(10); /* probe the sensor */ sccb_read(gspca_dev, 0x0a); sensor_id = sccb_read(gspca_dev, 0x0a) << 8; sccb_read(gspca_dev, 0x0b); sensor_id |= sccb_read(gspca_dev, 0x0b); PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id); /* initialize */ if ((sensor_id & 0xfff0) == 0x9650) { sd->sensor = SENSOR_OV965x; gspca_dev->cam.cam_mode = ov965x_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(ov965x_mode); reg_w_array(gspca_dev, bridge_init, ARRAY_SIZE(bridge_init)); sccb_w_array(gspca_dev, ov965x_init, ARRAY_SIZE(ov965x_init)); reg_w_array(gspca_dev, bridge_init_2, ARRAY_SIZE(bridge_init_2)); sccb_w_array(gspca_dev, ov965x_init_2, ARRAY_SIZE(ov965x_init_2)); reg_w(gspca_dev, 0xe0, 0x00); reg_w(gspca_dev, 0xe0, 0x01); set_led(gspca_dev, 0); reg_w(gspca_dev, 0xe0, 0x00); } else if ((sensor_id & 0xfff0) == 0x9710) { const char *p; int l; sd->sensor = SENSOR_OV971x; gspca_dev->cam.cam_mode = ov971x_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(ov971x_mode); /* no control yet */ gspca_dev->ctrl_dis = (1 << NCTRLS) - 1; gspca_dev->cam.bulk = 1; gspca_dev->cam.bulk_size = 16384; gspca_dev->cam.bulk_nurbs = 2; sccb_w_array(gspca_dev, ov971x_init, ARRAY_SIZE(ov971x_init)); /* set video format on bridge processor */ /* access bridge processor's video format registers at: 0x00 */ reg_w(gspca_dev, 0x1c, 0x00); /*set register: 0x00 is 'RAW8', 0x40 is 'YUV422' (YUYV?)*/ reg_w(gspca_dev, 0x1d, 0x00); /* Will W. specific stuff * set VSYNC to * output (0x1f) if first webcam * input (0x17) if 2nd or 3rd webcam */ p = video_device_node_name(&gspca_dev->vdev); l = strlen(p) - 1; if (p[l] == '0') reg_w(gspca_dev, 0x56, 0x1f); else reg_w(gspca_dev, 0x56, 0x17); } else if ((sensor_id & 0xfff0) == 0x5620) { sd->sensor = SENSOR_OV562x; gspca_dev->ctrl_dis = (1 << CONTRAST) | (1 << AUTOGAIN) | (1 << EXPOSURE) | (1 << SHARPNESS) | (1 << SATUR) | (1 << LIGHTFREQ); sd->ctrls[BRIGHTNESS].min = -90; sd->ctrls[BRIGHTNESS].max = 90; sd->ctrls[BRIGHTNESS].def = 0; gspca_dev->cam.cam_mode = ov562x_mode; gspca_dev->cam.nmodes = ARRAY_SIZE(ov562x_mode); reg_w_array(gspca_dev, ov562x_init, ARRAY_SIZE(ov562x_init)); sccb_w_array(gspca_dev, ov562x_init_2, ARRAY_SIZE(ov562x_init_2)); reg_w(gspca_dev, 0xe0, 0x00); } else { pr_err("Unknown sensor %04x", sensor_id); return -EINVAL; } return gspca_dev->usb_err; } static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_OV971x) return gspca_dev->usb_err; else if (sd->sensor == SENSOR_OV562x) { setbrightness(gspca_dev); return gspca_dev->usb_err; } switch (gspca_dev->curr_mode) { case QVGA_MODE: /* 320x240 */ sccb_w_array(gspca_dev, ov965x_start_1_vga, ARRAY_SIZE(ov965x_start_1_vga)); reg_w_array(gspca_dev, bridge_start_qvga, ARRAY_SIZE(bridge_start_qvga)); sccb_w_array(gspca_dev, ov965x_start_2_qvga, ARRAY_SIZE(ov965x_start_2_qvga)); break; case VGA_MODE: /* 640x480 */ sccb_w_array(gspca_dev, ov965x_start_1_vga, ARRAY_SIZE(ov965x_start_1_vga)); reg_w_array(gspca_dev, bridge_start_vga, ARRAY_SIZE(bridge_start_vga)); sccb_w_array(gspca_dev, ov965x_start_2_vga, ARRAY_SIZE(ov965x_start_2_vga)); break; case SVGA_MODE: /* 800x600 */ sccb_w_array(gspca_dev, ov965x_start_1_svga, ARRAY_SIZE(ov965x_start_1_svga)); reg_w_array(gspca_dev, bridge_start_svga, ARRAY_SIZE(bridge_start_svga)); sccb_w_array(gspca_dev, ov965x_start_2_svga, ARRAY_SIZE(ov965x_start_2_svga)); break; case XGA_MODE: /* 1024x768 */ sccb_w_array(gspca_dev, ov965x_start_1_xga, ARRAY_SIZE(ov965x_start_1_xga)); reg_w_array(gspca_dev, bridge_start_xga, ARRAY_SIZE(bridge_start_xga)); sccb_w_array(gspca_dev, ov965x_start_2_svga, ARRAY_SIZE(ov965x_start_2_svga)); break; default: /* case SXGA_MODE: * 1280x1024 */ sccb_w_array(gspca_dev, ov965x_start_1_sxga, ARRAY_SIZE(ov965x_start_1_sxga)); reg_w_array(gspca_dev, bridge_start_sxga, ARRAY_SIZE(bridge_start_sxga)); sccb_w_array(gspca_dev, ov965x_start_2_sxga, ARRAY_SIZE(ov965x_start_2_sxga)); break; } setlightfreq(gspca_dev); setautogain(gspca_dev); setbrightness(gspca_dev); setcontrast(gspca_dev); setexposure(gspca_dev); setsharpness(gspca_dev); setsatur(gspca_dev); reg_w(gspca_dev, 0xe0, 0x00); reg_w(gspca_dev, 0xe0, 0x00); set_led(gspca_dev, 1); return gspca_dev->usb_err; } static void sd_stopN(struct gspca_dev *gspca_dev) { reg_w(gspca_dev, 0xe0, 0x01); set_led(gspca_dev, 0); reg_w(gspca_dev, 0xe0, 0x00); } /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ #define UVC_STREAM_EOH (1 << 7) #define UVC_STREAM_ERR (1 << 6) #define UVC_STREAM_STI (1 << 5) #define UVC_STREAM_RES (1 << 4) #define UVC_STREAM_SCR (1 << 3) #define UVC_STREAM_PTS (1 << 2) #define UVC_STREAM_EOF (1 << 1) #define UVC_STREAM_FID (1 << 0) static void sd_pkt_scan(struct gspca_dev *gspca_dev, u8 *data, int len) { struct sd *sd = (struct sd *) gspca_dev; __u32 this_pts; u8 this_fid; int remaining_len = len; int payload_len; payload_len = gspca_dev->cam.bulk ? 2048 : 2040; do { len = min(remaining_len, payload_len); /* Payloads are prefixed with a UVC-style header. We consider a frame to start when the FID toggles, or the PTS changes. A frame ends when EOF is set, and we've received the correct number of bytes. */ /* Verify UVC header. Header length is always 12 */ if (data[0] != 12 || len < 12) { PDEBUG(D_PACK, "bad header"); goto discard; } /* Check errors */ if (data[1] & UVC_STREAM_ERR) { PDEBUG(D_PACK, "payload error"); goto discard; } /* Extract PTS and FID */ if (!(data[1] & UVC_STREAM_PTS)) { PDEBUG(D_PACK, "PTS not present"); goto discard; } this_pts = (data[5] << 24) | (data[4] << 16) | (data[3] << 8) | data[2]; this_fid = data[1] & UVC_STREAM_FID; /* If PTS or FID has changed, start a new frame. */ if (this_pts != sd->last_pts || this_fid != sd->last_fid) { if (gspca_dev->last_packet_type == INTER_PACKET) gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0); sd->last_pts = this_pts; sd->last_fid = this_fid; gspca_frame_add(gspca_dev, FIRST_PACKET, data + 12, len - 12); /* If this packet is marked as EOF, end the frame */ } else if (data[1] & UVC_STREAM_EOF) { sd->last_pts = 0; gspca_frame_add(gspca_dev, LAST_PACKET, data + 12, len - 12); } else { /* Add the data from this payload */ gspca_frame_add(gspca_dev, INTER_PACKET, data + 12, len - 12); } /* Done this payload */ goto scan_next; discard: /* Discard data until a new frame starts. */ gspca_dev->last_packet_type = DISCARD_PACKET; scan_next: remaining_len -= len; data += len; } while (remaining_len > 0); } static int sd_querymenu(struct gspca_dev *gspca_dev, struct v4l2_querymenu *menu) { switch (menu->id) { case V4L2_CID_POWER_LINE_FREQUENCY: switch (menu->index) { case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ strcpy((char *) menu->name, "NoFliker"); return 0; case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ strcpy((char *) menu->name, "50 Hz"); return 0; case 2: /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */ strcpy((char *) menu->name, "60 Hz"); return 0; } break; } return -EINVAL; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, .ctrls = sd_ctrls, .nctrls = NCTRLS, .config = sd_config, .init = sd_init, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, .querymenu = sd_querymenu, }; /* -- module initialisation -- */ static const struct usb_device_id device_table[] = { {USB_DEVICE(0x05a9, 0x8065)}, {USB_DEVICE(0x06f8, 0x3003)}, {USB_DEVICE(0x05a9, 0x1550)}, {} }; 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, #ifdef CONFIG_PM .suspend = gspca_suspend, .resume = gspca_resume, #endif }; module_usb_driver(sd_driver);