git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/gspca/sonixb.c

   1 /*
   2  *              sonix sn9c102 (bayer) library
   3  *              Copyright (C) 2003 2004 Michel Xhaard mxhaard@magic.fr
   4  * Add Pas106 Stefano Mozzi (C) 2004
   5  *
   6  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 #define MODULE_NAME "sonixb"
  24
  25 #include "gspca.h"
  26
  27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  28 MODULE_DESCRIPTION("GSPCA/SN9C102 USB Camera Driver");
  29 MODULE_LICENSE("GPL");
  30
  31 /* specific webcam descriptor */
  32 struct sd {
  33         struct gspca_dev gspca_dev;     /* !! must be the first item */
  34         atomic_t avg_lum;
  35
  36         unsigned char gain;
  37         unsigned char exposure;
  38         unsigned char brightness;
  39         unsigned char autogain;
  40         unsigned char autogain_ignore_frames;
  41         unsigned char frames_to_drop;
  42         unsigned char freq;             /* light freq filter setting */
  43
  44         __u8 bridge;                    /* Type of bridge */
  45 #define BRIDGE_101 0
  46 #define BRIDGE_102 0 /* We make no difference between 101 and 102 */
  47 #define BRIDGE_103 1
  48
  49         __u8 sensor;                    /* Type of image sensor chip */
  50 #define SENSOR_HV7131R 0
  51 #define SENSOR_OV6650 1
  52 #define SENSOR_OV7630 2
  53 #define SENSOR_PAS106 3
  54 #define SENSOR_PAS202 4
  55 #define SENSOR_TAS5110 5
  56 #define SENSOR_TAS5130CXX 6
  57         __u8 reg11;
  58 };
  59
  60 typedef const __u8 sensor_init_t[8];
  61
  62 struct sensor_data {
  63         const __u8 *bridge_init[2];
  64         int bridge_init_size[2];
  65         sensor_init_t *sensor_init;
  66         int sensor_init_size;
  67         sensor_init_t *sensor_bridge_init[2];
  68         int sensor_bridge_init_size[2];
  69         int flags;
  70         unsigned ctrl_dis;
  71         __u8 sensor_addr;
  72 };
  73
  74 /* sensor_data flags */
  75 #define F_GAIN 0x01             /* has gain */
  76 #define F_SIF  0x02             /* sif or vga */
  77 #define F_RAW  0x04             /* sensor tested ok with raw bayer mode */
  78
  79 /* priv field of struct v4l2_pix_format flags (do not use low nibble!) */
  80 #define MODE_RAW 0x10           /* raw bayer mode */
  81
  82 /* ctrl_dis helper macros */
  83 #define NO_EXPO ((1 << EXPOSURE_IDX) | (1 << AUTOGAIN_IDX))
  84 #define NO_FREQ (1 << FREQ_IDX)
  85 #define NO_BRIGHTNESS (1 << BRIGHTNESS_IDX)
  86
  87 #define COMP2 0x8f
  88 #define COMP 0xc7               /* 0x87 //0x07 */
  89 #define COMP1 0xc9              /* 0x89 //0x09 */
  90
  91 #define MCK_INIT 0x63
  92 #define MCK_INIT1 0x20          /*fixme: Bayer - 0x50 for JPEG ??*/
  93
  94 #define SYS_CLK 0x04
  95
  96 #define SENS(bridge_1, bridge_3, sensor, sensor_1, \
  97         sensor_3, _flags, _ctrl_dis, _sensor_addr) \
  98 { \
  99         .bridge_init = { bridge_1, bridge_3 }, \
 100         .bridge_init_size = { sizeof(bridge_1), sizeof(bridge_3) }, \
 101         .sensor_init = sensor, \
 102         .sensor_init_size = sizeof(sensor), \
 103         .sensor_bridge_init = { sensor_1, sensor_3,}, \
 104         .sensor_bridge_init_size = { sizeof(sensor_1), sizeof(sensor_3)}, \
 105         .flags = _flags, .ctrl_dis = _ctrl_dis, .sensor_addr = _sensor_addr \
 106 }
 107
 108 /* We calculate the autogain at the end of the transfer of a frame, at this
 109    moment a frame with the old settings is being transmitted, and a frame is
 110    being captured with the old settings. So if we adjust the autogain we must
 111    ignore atleast the 2 next frames for the new settings to come into effect
 112    before doing any other adjustments */
 113 #define AUTOGAIN_IGNORE_FRAMES 3
 114 #define AUTOGAIN_DEADZONE 1000
 115 #define DESIRED_AVG_LUM 7000
 116
 117 /* V4L2 controls supported by the driver */
 118 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
 119 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
 120 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
 121 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
 122 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
 123 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
 124 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
 125 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
 126 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val);
 127 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val);
 128
 129 static struct ctrl sd_ctrls[] = {
 130 #define BRIGHTNESS_IDX 0
 131         {
 132             {
 133                 .id      = V4L2_CID_BRIGHTNESS,
 134                 .type    = V4L2_CTRL_TYPE_INTEGER,
 135                 .name    = "Brightness",
 136                 .minimum = 0,
 137                 .maximum = 255,
 138                 .step    = 1,
 139 #define BRIGHTNESS_DEF 127
 140                 .default_value = BRIGHTNESS_DEF,
 141             },
 142             .set = sd_setbrightness,
 143             .get = sd_getbrightness,
 144         },
 145 #define GAIN_IDX 1
 146         {
 147             {
 148                 .id      = V4L2_CID_GAIN,
 149                 .type    = V4L2_CTRL_TYPE_INTEGER,
 150                 .name    = "Gain",
 151                 .minimum = 0,
 152                 .maximum = 255,
 153                 .step    = 1,
 154 #define GAIN_DEF 127
 155 #define GAIN_KNEE 200
 156                 .default_value = GAIN_DEF,
 157             },
 158             .set = sd_setgain,
 159             .get = sd_getgain,
 160         },
 161 #define EXPOSURE_IDX 2
 162         {
 163                 {
 164                         .id = V4L2_CID_EXPOSURE,
 165                         .type = V4L2_CTRL_TYPE_INTEGER,
 166                         .name = "Exposure",
 167 #define EXPOSURE_DEF  16 /*  32 ms / 30 fps */
 168 #define EXPOSURE_KNEE 50 /* 100 ms / 10 fps */
 169                         .minimum = 0,
 170                         .maximum = 255,
 171                         .step = 1,
 172                         .default_value = EXPOSURE_DEF,
 173                         .flags = 0,
 174                 },
 175                 .set = sd_setexposure,
 176                 .get = sd_getexposure,
 177         },
 178 #define AUTOGAIN_IDX 3
 179         {
 180                 {
 181                         .id = V4L2_CID_AUTOGAIN,
 182                         .type = V4L2_CTRL_TYPE_BOOLEAN,
 183                         .name = "Automatic Gain (and Exposure)",
 184                         .minimum = 0,
 185                         .maximum = 1,
 186                         .step = 1,
 187 #define AUTOGAIN_DEF 1
 188                         .default_value = AUTOGAIN_DEF,
 189                         .flags = 0,
 190                 },
 191                 .set = sd_setautogain,
 192                 .get = sd_getautogain,
 193         },
 194 #define FREQ_IDX 4
 195         {
 196                 {
 197                         .id      = V4L2_CID_POWER_LINE_FREQUENCY,
 198                         .type    = V4L2_CTRL_TYPE_MENU,
 199                         .name    = "Light frequency filter",
 200                         .minimum = 0,
 201                         .maximum = 2,   /* 0: 0, 1: 50Hz, 2:60Hz */
 202                         .step    = 1,
 203 #define FREQ_DEF 1
 204                         .default_value = FREQ_DEF,
 205                 },
 206                 .set = sd_setfreq,
 207                 .get = sd_getfreq,
 208         },
 209 };
 210
 211 static struct v4l2_pix_format vga_mode[] = {
 212         {160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
 213                 .bytesperline = 160,
 214                 .sizeimage = 160 * 120,
 215                 .colorspace = V4L2_COLORSPACE_SRGB,
 216                 .priv = 2 | MODE_RAW},
 217         {160, 120, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
 218                 .bytesperline = 160,
 219                 .sizeimage = 160 * 120 * 5 / 4,
 220                 .colorspace = V4L2_COLORSPACE_SRGB,
 221                 .priv = 2},
 222         {320, 240, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
 223                 .bytesperline = 320,
 224                 .sizeimage = 320 * 240 * 5 / 4,
 225                 .colorspace = V4L2_COLORSPACE_SRGB,
 226                 .priv = 1},
 227         {640, 480, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
 228                 .bytesperline = 640,
 229                 .sizeimage = 640 * 480 * 5 / 4,
 230                 .colorspace = V4L2_COLORSPACE_SRGB,
 231                 .priv = 0},
 232 };
 233 static struct v4l2_pix_format sif_mode[] = {
 234         {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
 235                 .bytesperline = 176,
 236                 .sizeimage = 176 * 144,
 237                 .colorspace = V4L2_COLORSPACE_SRGB,
 238                 .priv = 1 | MODE_RAW},
 239         {176, 144, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
 240                 .bytesperline = 176,
 241                 .sizeimage = 176 * 144 * 5 / 4,
 242                 .colorspace = V4L2_COLORSPACE_SRGB,
 243                 .priv = 1},
 244         {352, 288, V4L2_PIX_FMT_SN9C10X, V4L2_FIELD_NONE,
 245                 .bytesperline = 352,
 246                 .sizeimage = 352 * 288 * 5 / 4,
 247                 .colorspace = V4L2_COLORSPACE_SRGB,
 248                 .priv = 0},
 249 };
 250
 251 static const __u8 initHv7131[] = {
 252         0x46, 0x77, 0x00, 0x04, 0x00, 0x00, 0x00, 0x80, 0x11, 0x00, 0x00, 0x00,
 253         0x00, 0x00,
 254         0x00, 0x00, 0x00, 0x02, 0x01, 0x00,
 255         0x28, 0x1e, 0x60, 0x8a, 0x20,
 256         0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c
 257 };
 258 static const __u8 hv7131_sensor_init[][8] = {
 259         {0xc0, 0x11, 0x31, 0x38, 0x2a, 0x2e, 0x00, 0x10},
 260         {0xa0, 0x11, 0x01, 0x08, 0x2a, 0x2e, 0x00, 0x10},
 261         {0xb0, 0x11, 0x20, 0x00, 0xd0, 0x2e, 0x00, 0x10},
 262         {0xc0, 0x11, 0x25, 0x03, 0x0e, 0x28, 0x00, 0x16},
 263         {0xa0, 0x11, 0x30, 0x10, 0x0e, 0x28, 0x00, 0x15},
 264 };
 265 static const __u8 initOv6650[] = {
 266         0x44, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80,
 267         0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 268         0x00, 0x01, 0x01, 0x0a, 0x16, 0x12, 0x68, 0x8b,
 269         0x10, 0x1d, 0x10, 0x00, 0x06, 0x1f, 0x00
 270 };
 271 static const __u8 ov6650_sensor_init[][8] =
 272 {
 273         /* Bright, contrast, etc are set througth SCBB interface.
 274          * AVCAP on win2 do not send any data on this   controls. */
 275         /* Anyway, some registers appears to alter bright and constrat */
 276
 277         /* Reset sensor */
 278         {0xa0, 0x60, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},
 279         /* Set clock register 0x11 low nibble is clock divider */
 280         {0xd0, 0x60, 0x11, 0xc0, 0x1b, 0x18, 0xc1, 0x10},
 281         /* Next some unknown stuff */
 282         {0xb0, 0x60, 0x15, 0x00, 0x02, 0x18, 0xc1, 0x10},
 283 /*      {0xa0, 0x60, 0x1b, 0x01, 0x02, 0x18, 0xc1, 0x10},
 284                  * THIS SET GREEN SCREEN
 285                  * (pixels could be innverted in decode kind of "brg",
 286                  * but blue wont be there. Avoid this data ... */
 287         {0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10}, /* format out? */
 288         {0xd0, 0x60, 0x26, 0x01, 0x14, 0xd8, 0xa4, 0x10},
 289         {0xa0, 0x60, 0x30, 0x3d, 0x0A, 0xd8, 0xa4, 0x10},
 290         /* Enable rgb brightness control */
 291         {0xa0, 0x60, 0x61, 0x08, 0x00, 0x00, 0x00, 0x10},
 292         /* HDG: Note windows uses the line below, which sets both register 0x60
 293            and 0x61 I believe these registers of the ov6650 are identical as
 294            those of the ov7630, because if this is true the windows settings
 295            add a bit additional red gain and a lot additional blue gain, which
 296            matches my findings that the windows settings make blue much too
 297            blue and red a little too red.
 298         {0xb0, 0x60, 0x60, 0x66, 0x68, 0xd8, 0xa4, 0x10}, */
 299         /* Some more unknown stuff */
 300         {0xa0, 0x60, 0x68, 0x04, 0x68, 0xd8, 0xa4, 0x10},
 301         {0xd0, 0x60, 0x17, 0x24, 0xd6, 0x04, 0x94, 0x10}, /* Clipreg */
 302 };
 303
 304 static const __u8 initOv7630[] = {
 305         0x04, 0x44, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, /* r01 .. r08 */
 306         0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* r09 .. r10 */
 307         0x00, 0x01, 0x01, 0x0a,                         /* r11 .. r14 */
 308         0x28, 0x1e,                     /* H & V sizes     r15 .. r16 */
 309         0x68, COMP2, MCK_INIT1,                         /* r17 .. r19 */
 310         0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c              /* r1a .. r1f */
 311 };
 312 static const __u8 initOv7630_3[] = {
 313         0x44, 0x44, 0x00, 0x1a, 0x20, 0x20, 0x20, 0x80, /* r01 .. r08 */
 314         0x21, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, /* r09 .. r10 */
 315         0x00, 0x01, 0x01, 0x0a,                         /* r11 .. r14 */
 316         0x28, 0x1e,                     /* H & V sizes     r15 .. r16 */
 317         0x68, 0x8f, MCK_INIT1,                          /* r17 .. r19 */
 318         0x1d, 0x10, 0x02, 0x03, 0x0f, 0x0c, 0x00,       /* r1a .. r20 */
 319         0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70, 0x80, /* r21 .. r28 */
 320         0x90, 0xa0, 0xb0, 0xc0, 0xd0, 0xe0, 0xf0, 0xff  /* r29 .. r30 */
 321 };
 322 static const __u8 ov7630_sensor_init[][8] = {
 323         {0xa0, 0x21, 0x12, 0x80, 0x00, 0x00, 0x00, 0x10},
 324         {0xb0, 0x21, 0x01, 0x77, 0x3a, 0x00, 0x00, 0x10},
 325 /*      {0xd0, 0x21, 0x12, 0x7c, 0x01, 0x80, 0x34, 0x10},          jfm */
 326         {0xd0, 0x21, 0x12, 0x1c, 0x00, 0x80, 0x34, 0x10},       /* jfm */
 327         {0xa0, 0x21, 0x1b, 0x04, 0x00, 0x80, 0x34, 0x10},
 328         {0xa0, 0x21, 0x20, 0x44, 0x00, 0x80, 0x34, 0x10},
 329         {0xa0, 0x21, 0x23, 0xee, 0x00, 0x80, 0x34, 0x10},
 330         {0xd0, 0x21, 0x26, 0xa0, 0x9a, 0xa0, 0x30, 0x10},
 331         {0xb0, 0x21, 0x2a, 0x80, 0x00, 0xa0, 0x30, 0x10},
 332         {0xb0, 0x21, 0x2f, 0x3d, 0x24, 0xa0, 0x30, 0x10},
 333         {0xa0, 0x21, 0x32, 0x86, 0x24, 0xa0, 0x30, 0x10},
 334         {0xb0, 0x21, 0x60, 0xa9, 0x4a, 0xa0, 0x30, 0x10},
 335 /*      {0xb0, 0x21, 0x60, 0xa9, 0x42, 0xa0, 0x30, 0x10},        * jfm */
 336         {0xa0, 0x21, 0x65, 0x00, 0x42, 0xa0, 0x30, 0x10},
 337         {0xa0, 0x21, 0x69, 0x38, 0x42, 0xa0, 0x30, 0x10},
 338         {0xc0, 0x21, 0x6f, 0x88, 0x0b, 0x00, 0x30, 0x10},
 339         {0xc0, 0x21, 0x74, 0x21, 0x8e, 0x00, 0x30, 0x10},
 340         {0xa0, 0x21, 0x7d, 0xf7, 0x8e, 0x00, 0x30, 0x10},
 341         {0xd0, 0x21, 0x17, 0x1c, 0xbd, 0x06, 0xf6, 0x10},
 342 };
 343
 344 static const __u8 ov7630_sensor_init_3[][8] = {
 345         {0xa0, 0x21, 0x13, 0x80, 0x00,  0x00, 0x00, 0x10},
 346 };
 347
 348 static const __u8 initPas106[] = {
 349         0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x81, 0x40, 0x00, 0x00, 0x00,
 350         0x00, 0x00,
 351         0x00, 0x00, 0x00, 0x04, 0x01, 0x00,
 352         0x16, 0x12, 0x24, COMP1, MCK_INIT1,
 353         0x18, 0x10, 0x04, 0x03, 0x11, 0x0c
 354 };
 355 /* compression 0x86 mckinit1 0x2b */
 356 static const __u8 pas106_sensor_init[][8] = {
 357         /* Pixel Clock Divider 6 */
 358         { 0xa1, 0x40, 0x02, 0x04, 0x00, 0x00, 0x00, 0x14 },
 359         /* Frame Time MSB (also seen as 0x12) */
 360         { 0xa1, 0x40, 0x03, 0x13, 0x00, 0x00, 0x00, 0x14 },
 361         /* Frame Time LSB (also seen as 0x05) */
 362         { 0xa1, 0x40, 0x04, 0x06, 0x00, 0x00, 0x00, 0x14 },
 363         /* Shutter Time Line Offset (also seen as 0x6d) */
 364         { 0xa1, 0x40, 0x05, 0x65, 0x00, 0x00, 0x00, 0x14 },
 365         /* Shutter Time Pixel Offset (also seen as 0xb1) */
 366         { 0xa1, 0x40, 0x06, 0xcd, 0x00, 0x00, 0x00, 0x14 },
 367         /* Black Level Subtract Sign (also seen 0x00) */
 368         { 0xa1, 0x40, 0x07, 0xc1, 0x00, 0x00, 0x00, 0x14 },
 369         /* Black Level Subtract Level (also seen 0x01) */
 370         { 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 },
 371         { 0xa1, 0x40, 0x08, 0x06, 0x00, 0x00, 0x00, 0x14 },
 372         /* Color Gain B Pixel 5 a */
 373         { 0xa1, 0x40, 0x09, 0x05, 0x00, 0x00, 0x00, 0x14 },
 374         /* Color Gain G1 Pixel 1 5 */
 375         { 0xa1, 0x40, 0x0a, 0x04, 0x00, 0x00, 0x00, 0x14 },
 376         /* Color Gain G2 Pixel 1 0 5 */
 377         { 0xa1, 0x40, 0x0b, 0x04, 0x00, 0x00, 0x00, 0x14 },
 378         /* Color Gain R Pixel 3 1 */
 379         { 0xa1, 0x40, 0x0c, 0x05, 0x00, 0x00, 0x00, 0x14 },
 380         /* Color GainH  Pixel */
 381         { 0xa1, 0x40, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x14 },
 382         /* Global Gain */
 383         { 0xa1, 0x40, 0x0e, 0x0e, 0x00, 0x00, 0x00, 0x14 },
 384         /* Contrast */
 385         { 0xa1, 0x40, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x14 },
 386         /* H&V synchro polarity */
 387         { 0xa1, 0x40, 0x10, 0x06, 0x00, 0x00, 0x00, 0x14 },
 388         /* ?default */
 389         { 0xa1, 0x40, 0x11, 0x06, 0x00, 0x00, 0x00, 0x14 },
 390         /* DAC scale */
 391         { 0xa1, 0x40, 0x12, 0x06, 0x00, 0x00, 0x00, 0x14 },
 392         /* ?default */
 393         { 0xa1, 0x40, 0x14, 0x02, 0x00, 0x00, 0x00, 0x14 },
 394         /* Validate Settings */
 395         { 0xa1, 0x40, 0x13, 0x01, 0x00, 0x00, 0x00, 0x14 },
 396 };
 397
 398 static const __u8 initPas202[] = {
 399         0x44, 0x44, 0x21, 0x30, 0x00, 0x00, 0x00, 0x80, 0x40, 0x00, 0x00, 0x00,
 400         0x00, 0x00,
 401         0x00, 0x00, 0x00, 0x06, 0x03, 0x0a,
 402         0x28, 0x1e, 0x28, 0x89, 0x20,
 403         0x00, 0x00, 0x02, 0x03, 0x0f, 0x0c
 404 };
 405 static const __u8 pas202_sensor_init[][8] = {
 406         {0xa0, 0x40, 0x02, 0x03, 0x00, 0x00, 0x00, 0x10},
 407         {0xd0, 0x40, 0x04, 0x07, 0x34, 0x00, 0x09, 0x10},
 408         {0xd0, 0x40, 0x08, 0x01, 0x00, 0x00, 0x01, 0x10},
 409         {0xd0, 0x40, 0x0C, 0x00, 0x0C, 0x00, 0x32, 0x10},
 410         {0xd0, 0x40, 0x10, 0x00, 0x01, 0x00, 0x63, 0x10},
 411         {0xa0, 0x40, 0x15, 0x70, 0x01, 0x00, 0x63, 0x10},
 412         {0xa0, 0x40, 0x18, 0x00, 0x01, 0x00, 0x63, 0x10},
 413         {0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
 414         {0xa0, 0x40, 0x03, 0x56, 0x01, 0x00, 0x63, 0x10},
 415         {0xa0, 0x40, 0x11, 0x01, 0x01, 0x00, 0x63, 0x10},
 416         {0xb0, 0x40, 0x04, 0x07, 0x2a, 0x00, 0x63, 0x10},
 417         {0xb0, 0x40, 0x0e, 0x00, 0x3d, 0x00, 0x63, 0x10},
 418
 419         {0xa0, 0x40, 0x11, 0x01, 0x3d, 0x00, 0x63, 0x16},
 420         {0xa0, 0x40, 0x10, 0x08, 0x3d, 0x00, 0x63, 0x15},
 421         {0xa0, 0x40, 0x02, 0x04, 0x3d, 0x00, 0x63, 0x16},
 422         {0xa0, 0x40, 0x11, 0x01, 0x3d, 0x00, 0x63, 0x16},
 423         {0xb0, 0x40, 0x0e, 0x00, 0x31, 0x00, 0x63, 0x16},
 424         {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16},
 425         {0xa0, 0x40, 0x10, 0x0e, 0x31, 0x00, 0x63, 0x15},
 426         {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16},
 427 };
 428
 429 static const __u8 initTas5110[] = {
 430         0x44, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
 431         0x00, 0x00,
 432         0x00, 0x01, 0x00, 0x45, 0x09, 0x0a,
 433         0x16, 0x12, 0x60, 0x86, 0x2b,
 434         0x14, 0x0a, 0x02, 0x02, 0x09, 0x07
 435 };
 436 static const __u8 tas5110_sensor_init[][8] = {
 437         {0x30, 0x11, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x10},
 438         {0x30, 0x11, 0x02, 0x20, 0xa9, 0x00, 0x00, 0x10},
 439         {0xa0, 0x61, 0x9a, 0xca, 0x00, 0x00, 0x00, 0x17},
 440 };
 441
 442 static const __u8 initTas5130[] = {
 443         0x04, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x11, 0x00, 0x00, 0x00,
 444         0x00, 0x00,
 445         0x00, 0x01, 0x00, 0x68, 0x0c, 0x0a,
 446         0x28, 0x1e, 0x60, COMP, MCK_INIT,
 447         0x18, 0x10, 0x04, 0x03, 0x11, 0x0c
 448 };
 449 static const __u8 tas5130_sensor_init[][8] = {
 450 /*      {0x30, 0x11, 0x00, 0x40, 0x47, 0x00, 0x00, 0x10},
 451                                         * shutter 0x47 short exposure? */
 452         {0x30, 0x11, 0x00, 0x40, 0x01, 0x00, 0x00, 0x10},
 453                                         /* shutter 0x01 long exposure */
 454         {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10},
 455 };
 456
 457 struct sensor_data sensor_data[] = {
 458 SENS(initHv7131, NULL, hv7131_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ, 0),
 459 SENS(initOv6650, NULL, ov6650_sensor_init, NULL, NULL, F_GAIN|F_SIF|F_RAW, 0,
 460         0x60),
 461 SENS(initOv7630, initOv7630_3, ov7630_sensor_init, NULL, ov7630_sensor_init_3,
 462         F_GAIN, 0, 0x21),
 463 SENS(initPas106, NULL, pas106_sensor_init, NULL, NULL, F_SIF, NO_EXPO|NO_FREQ,
 464         0),
 465 SENS(initPas202, initPas202, pas202_sensor_init, NULL, NULL, F_RAW,
 466         NO_EXPO|NO_FREQ, 0),
 467 SENS(initTas5110, NULL, tas5110_sensor_init, NULL, NULL, F_GAIN|F_SIF|F_RAW,
 468         NO_BRIGHTNESS|NO_FREQ, 0),
 469 SENS(initTas5130, NULL, tas5130_sensor_init, NULL, NULL, 0, NO_EXPO|NO_FREQ,
 470         0),
 471 };
 472
 473 /* get one byte in gspca_dev->usb_buf */
 474 static void reg_r(struct gspca_dev *gspca_dev,
 475                   __u16 value)
 476 {
 477         usb_control_msg(gspca_dev->dev,
 478                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 479                         0,                      /* request */
 480                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
 481                         value,
 482                         0,                      /* index */
 483                         gspca_dev->usb_buf, 1,
 484                         500);
 485 }
 486
 487 static void reg_w(struct gspca_dev *gspca_dev,
 488                   __u16 value,
 489                   const __u8 *buffer,
 490                   int len)
 491 {
 492 #ifdef GSPCA_DEBUG
 493         if (len > USB_BUF_SZ) {
 494                 PDEBUG(D_ERR|D_PACK, "reg_w: buffer overflow");
 495                 return;
 496         }
 497 #endif
 498         memcpy(gspca_dev->usb_buf, buffer, len);
 499         usb_control_msg(gspca_dev->dev,
 500                         usb_sndctrlpipe(gspca_dev->dev, 0),
 501                         0x08,                   /* request */
 502                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
 503                         value,
 504                         0,                      /* index */
 505                         gspca_dev->usb_buf, len,
 506                         500);
 507 }
 508
 509 static int i2c_w(struct gspca_dev *gspca_dev, const __u8 *buffer)
 510 {
 511         int retry = 60;
 512
 513         /* is i2c ready */
 514         reg_w(gspca_dev, 0x08, buffer, 8);
 515         while (retry--) {
 516                 msleep(10);
 517                 reg_r(gspca_dev, 0x08);
 518                 if (gspca_dev->usb_buf[0] & 0x04) {
 519                         if (gspca_dev->usb_buf[0] & 0x08)
 520                                 return -1;
 521                         return 0;
 522                 }
 523         }
 524         return -1;
 525 }
 526
 527 static void i2c_w_vector(struct gspca_dev *gspca_dev,
 528                         const __u8 buffer[][8], int len)
 529 {
 530         for (;;) {
 531                 reg_w(gspca_dev, 0x08, *buffer, 8);
 532                 len -= 8;
 533                 if (len <= 0)
 534                         break;
 535                 buffer++;
 536         }
 537 }
 538
 539 static void setbrightness(struct gspca_dev *gspca_dev)
 540 {
 541         struct sd *sd = (struct sd *) gspca_dev;
 542         __u8 value;
 543
 544         switch (sd->sensor) {
 545         case  SENSOR_OV6650:
 546         case  SENSOR_OV7630: {
 547                 __u8 i2cOV[] =
 548                         {0xa0, 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, 0x10};
 549
 550                 /* change reg 0x06 */
 551                 i2cOV[1] = sensor_data[sd->sensor].sensor_addr;
 552                 i2cOV[3] = sd->brightness;
 553                 if (i2c_w(gspca_dev, i2cOV) < 0)
 554                         goto err;
 555                 break;
 556             }
 557         case SENSOR_PAS106: {
 558                 __u8 i2c1[] =
 559                         {0xa1, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x14};
 560
 561                 i2c1[3] = sd->brightness >> 3;
 562                 i2c1[2] = 0x0e;
 563                 if (i2c_w(gspca_dev, i2c1) < 0)
 564                         goto err;
 565                 i2c1[3] = 0x01;
 566                 i2c1[2] = 0x13;
 567                 if (i2c_w(gspca_dev, i2c1) < 0)
 568                         goto err;
 569                 break;
 570             }
 571         case SENSOR_PAS202: {
 572                 /* __u8 i2cpexpo1[] =
 573                         {0xb0, 0x40, 0x04, 0x07, 0x2a, 0x00, 0x63, 0x16}; */
 574                 __u8 i2cpexpo[] =
 575                         {0xb0, 0x40, 0x0e, 0x01, 0xab, 0x00, 0x63, 0x16};
 576                 __u8 i2cp202[] =
 577                         {0xa0, 0x40, 0x10, 0x0e, 0x31, 0x00, 0x63, 0x15};
 578                 static __u8 i2cpdoit[] =
 579                         {0xa0, 0x40, 0x11, 0x01, 0x31, 0x00, 0x63, 0x16};
 580
 581                 /* change reg 0x10 */
 582                 i2cpexpo[4] = 0xff - sd->brightness;
 583 /*              if(i2c_w(gspca_dev,i2cpexpo1) < 0)
 584                         goto err; */
 585 /*              if(i2c_w(gspca_dev,i2cpdoit) < 0)
 586                         goto err; */
 587                 if (i2c_w(gspca_dev, i2cpexpo) < 0)
 588                         goto err;
 589                 if (i2c_w(gspca_dev, i2cpdoit) < 0)
 590                         goto err;
 591                 i2cp202[3] = sd->brightness >> 3;
 592                 if (i2c_w(gspca_dev, i2cp202) < 0)
 593                         goto err;
 594                 if (i2c_w(gspca_dev, i2cpdoit) < 0)
 595                         goto err;
 596                 break;
 597             }
 598         case SENSOR_TAS5130CXX: {
 599                 __u8 i2c[] =
 600                         {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};
 601
 602                 value = 0xff - sd->brightness;
 603                 i2c[4] = value;
 604                 PDEBUG(D_CONF, "brightness %d : %d", value, i2c[4]);
 605                 if (i2c_w(gspca_dev, i2c) < 0)
 606                         goto err;
 607                 break;
 608             }
 609         }
 610         return;
 611 err:
 612         PDEBUG(D_ERR, "i2c error brightness");
 613 }
 614
 615 static void setsensorgain(struct gspca_dev *gspca_dev)
 616 {
 617         struct sd *sd = (struct sd *) gspca_dev;
 618         unsigned char gain = sd->gain;
 619
 620         switch (sd->sensor) {
 621
 622         case SENSOR_TAS5110: {
 623                 __u8 i2c[] =
 624                         {0x30, 0x11, 0x02, 0x20, 0x70, 0x00, 0x00, 0x10};
 625
 626                 i2c[4] = 255 - gain;
 627                 if (i2c_w(gspca_dev, i2c) < 0)
 628                         goto err;
 629                 break;
 630             }
 631
 632         case SENSOR_OV6650:
 633                 gain >>= 1;
 634                 /* fall thru */
 635         case SENSOR_OV7630: {
 636                 __u8 i2c[] = {0xa0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
 637
 638                 i2c[1] = sensor_data[sd->sensor].sensor_addr;
 639                 i2c[3] = gain >> 2;
 640                 if (i2c_w(gspca_dev, i2c) < 0)
 641                         goto err;
 642                 break;
 643             }
 644         }
 645         return;
 646 err:
 647         PDEBUG(D_ERR, "i2c error gain");
 648 }
 649
 650 static void setgain(struct gspca_dev *gspca_dev)
 651 {
 652         struct sd *sd = (struct sd *) gspca_dev;
 653         __u8 gain;
 654         __u8 rgb_value;
 655
 656         gain = sd->gain >> 4;
 657
 658         /* red and blue gain */
 659         rgb_value = gain << 4 | gain;
 660         reg_w(gspca_dev, 0x10, &rgb_value, 1);
 661         /* green gain */
 662         rgb_value = gain;
 663         reg_w(gspca_dev, 0x11, &rgb_value, 1);
 664
 665         if (sensor_data[sd->sensor].flags & F_GAIN)
 666                 setsensorgain(gspca_dev);
 667 }
 668
 669 static void setexposure(struct gspca_dev *gspca_dev)
 670 {
 671         struct sd *sd = (struct sd *) gspca_dev;
 672
 673         switch (sd->sensor) {
 674         case SENSOR_TAS5110: {
 675                 __u8 reg;
 676
 677                 /* register 19's high nibble contains the sn9c10x clock divider
 678                    The high nibble configures the no fps according to the
 679                    formula: 60 / high_nibble. With a maximum of 30 fps */
 680                 reg = 120 * sd->exposure / 1000;
 681                 if (reg < 2)
 682                         reg = 2;
 683                 else if (reg > 15)
 684                         reg = 15;
 685                 reg = (reg << 4) | 0x0b;
 686                 reg_w(gspca_dev, 0x19, &reg, 1);
 687                 break;
 688             }
 689         case SENSOR_OV6650:
 690         case SENSOR_OV7630: {
 691                 /* The ov6650 / ov7630 have 2 registers which both influence
 692                    exposure, register 11, whose low nibble sets the nr off fps
 693                    according to: fps = 30 / (low_nibble + 1)
 694
 695                    The fps configures the maximum exposure setting, but it is
 696                    possible to use less exposure then what the fps maximum
 697                    allows by setting register 10. register 10 configures the
 698                    actual exposure as quotient of the full exposure, with 0
 699                    being no exposure at all (not very usefull) and reg10_max
 700                    being max exposure possible at that framerate.
 701
 702                    The code maps our 0 - 510 ms exposure ctrl to these 2
 703                    registers, trying to keep fps as high as possible.
 704                 */
 705                 __u8 i2c[] = {0xb0, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x10};
 706                 int reg10, reg11, reg10_max;
 707
 708                 /* ov6645 datasheet says reg10_max is 9a, but that uses
 709                    tline * 2 * reg10 as formula for calculating texpo, the
 710                    ov6650 probably uses the same formula as the 7730 which uses
 711                    tline * 4 * reg10, which explains why the reg10max we've
 712                    found experimentally for the ov6650 is exactly half that of
 713                    the ov6645. The ov7630 datasheet says the max is 0x41. */
 714                 if (sd->sensor == SENSOR_OV6650) {
 715                         reg10_max = 0x4d;
 716                         i2c[4] = 0xc0; /* OV6650 needs non default vsync pol */
 717                 } else
 718                         reg10_max = 0x41;
 719
 720                 reg11 = (60 * sd->exposure + 999) / 1000;
 721                 if (reg11 < 1)
 722                         reg11 = 1;
 723                 else if (reg11 > 16)
 724                         reg11 = 16;
 725
 726                 /* In 640x480, if the reg11 has less than 3, the image is
 727                    unstable (not enough bandwidth). */
 728                 if (gspca_dev->width == 640 && reg11 < 3)
 729                         reg11 = 3;
 730
 731                 /* frame exposure time in ms = 1000 * reg11 / 30    ->
 732                 reg10 = sd->exposure * 2 * reg10_max / (1000 * reg11 / 30) */
 733                 reg10 = (sd->exposure * 60 * reg10_max) / (1000 * reg11);
 734
 735                 /* Don't allow this to get below 10 when using autogain, the
 736                    steps become very large (relatively) when below 10 causing
 737                    the image to oscilate from much too dark, to much too bright
 738                    and back again. */
 739                 if (sd->autogain && reg10 < 10)
 740                         reg10 = 10;
 741                 else if (reg10 > reg10_max)
 742                         reg10 = reg10_max;
 743
 744                 /* Write reg 10 and reg11 low nibble */
 745                 i2c[1] = sensor_data[sd->sensor].sensor_addr;
 746                 i2c[3] = reg10;
 747                 i2c[4] |= reg11 - 1;
 748
 749                 /* If register 11 didn't change, don't change it */
 750                 if (sd->reg11 == reg11 )
 751                         i2c[0] = 0xa0;
 752
 753                 if (i2c_w(gspca_dev, i2c) == 0)
 754                         sd->reg11 = reg11;
 755                 else
 756                         PDEBUG(D_ERR, "i2c error exposure");
 757                 break;
 758             }
 759         }
 760 }
 761
 762 static void setfreq(struct gspca_dev *gspca_dev)
 763 {
 764         struct sd *sd = (struct sd *) gspca_dev;
 765
 766         switch (sd->sensor) {
 767         case SENSOR_OV6650:
 768         case SENSOR_OV7630: {
 769                 /* Framerate adjust register for artificial light 50 hz flicker
 770                    compensation, for the ov6650 this is identical to ov6630
 771                    0x2b register, see ov6630 datasheet.
 772                    0x4f / 0x8a -> (30 fps -> 25 fps), 0x00 -> no adjustment */
 773                 __u8 i2c[] = {0xa0, 0x00, 0x2b, 0x00, 0x00, 0x00, 0x00, 0x10};
 774                 switch (sd->freq) {
 775                 default:
 776 /*              case 0:                  * no filter*/
 777 /*              case 2:                  * 60 hz */
 778                         i2c[3] = 0;
 779                         break;
 780                 case 1:                 /* 50 hz */
 781                         i2c[3] = (sd->sensor == SENSOR_OV6650)
 782                                         ? 0x4f : 0x8a;
 783                         break;
 784                 }
 785                 i2c[1] = sensor_data[sd->sensor].sensor_addr;
 786                 if (i2c_w(gspca_dev, i2c) < 0)
 787                         PDEBUG(D_ERR, "i2c error setfreq");
 788                 break;
 789             }
 790         }
 791 }
 792
 793 static void do_autogain(struct gspca_dev *gspca_dev)
 794 {
 795         struct sd *sd = (struct sd *) gspca_dev;
 796         int avg_lum = atomic_read(&sd->avg_lum);
 797
 798         if (avg_lum == -1)
 799                 return;
 800
 801         if (sd->autogain_ignore_frames > 0)
 802                 sd->autogain_ignore_frames--;
 803         else if (gspca_auto_gain_n_exposure(gspca_dev, avg_lum,
 804                         sd->brightness * DESIRED_AVG_LUM / 127,
 805                         AUTOGAIN_DEADZONE, GAIN_KNEE, EXPOSURE_KNEE)) {
 806                 PDEBUG(D_FRAM, "autogain: gain changed: gain: %d expo: %d\n",
 807                         (int)sd->gain, (int)sd->exposure);
 808                 sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
 809         }
 810 }
 811
 812 /* this function is called at probe time */
 813 static int sd_config(struct gspca_dev *gspca_dev,
 814                         const struct usb_device_id *id)
 815 {
 816         struct sd *sd = (struct sd *) gspca_dev;
 817         struct cam *cam;
 818
 819         reg_r(gspca_dev, 0x00);
 820         if (gspca_dev->usb_buf[0] != 0x10)
 821                 return -ENODEV;
 822
 823         /* copy the webcam info from the device id */
 824         sd->sensor = id->driver_info >> 8;
 825         sd->bridge = id->driver_info & 0xff;
 826         gspca_dev->ctrl_dis = sensor_data[sd->sensor].ctrl_dis;
 827
 828         cam = &gspca_dev->cam;
 829         cam->epaddr = 0x01;
 830         if (!(sensor_data[sd->sensor].flags & F_SIF)) {
 831                 cam->cam_mode = vga_mode;
 832                 cam->nmodes = ARRAY_SIZE(vga_mode);
 833         } else {
 834                 cam->cam_mode = sif_mode;
 835                 cam->nmodes = ARRAY_SIZE(sif_mode);
 836         }
 837         if (!(sensor_data[sd->sensor].flags & F_RAW)) {
 838                 cam->cam_mode++;
 839                 cam->nmodes--;
 840         }
 841         sd->brightness = BRIGHTNESS_DEF;
 842         sd->gain = GAIN_DEF;
 843         sd->exposure = EXPOSURE_DEF;
 844         if (gspca_dev->ctrl_dis & (1 << AUTOGAIN_IDX))
 845                 sd->autogain = 0; /* Disable do_autogain callback */
 846         else
 847                 sd->autogain = AUTOGAIN_DEF;
 848         sd->freq = FREQ_DEF;
 849
 850         return 0;
 851 }
 852
 853 /* this function is called at probe and resume time */
 854 static int sd_init(struct gspca_dev *gspca_dev)
 855 {
 856         const __u8 stop = 0x09; /* Disable stream turn of LED */
 857
 858         reg_w(gspca_dev, 0x01, &stop, 1);
 859
 860         return 0;
 861 }
 862
 863 /* -- start the camera -- */
 864 static void sd_start(struct gspca_dev *gspca_dev)
 865 {
 866         struct sd *sd = (struct sd *) gspca_dev;
 867         int mode, l;
 868         const __u8 *sn9c10x;
 869         __u8 reg17_19[3];
 870
 871         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv & 0x07;
 872         sn9c10x = sensor_data[sd->sensor].bridge_init[sd->bridge];
 873         l = sensor_data[sd->sensor].bridge_init_size[sd->bridge];
 874         reg17_19[0] = sn9c10x[0x17 - 1];
 875         reg17_19[1] = sn9c10x[0x18 - 1] | (mode << 4);
 876         reg17_19[2] = sn9c10x[0x19 - 1];
 877         /* Special cases where reg 17 and or 19 value depends on mode */
 878         switch (sd->sensor) {
 879         case SENSOR_PAS202:
 880                 reg17_19[0] = mode ? 0x24 : 0x20;
 881                 break;
 882         case SENSOR_TAS5130CXX:
 883                 /* probably not mode specific at all most likely the upper
 884                    nibble of 0x19 is exposure (clock divider) just as with
 885                    the tas5110, we need someone to test this. */
 886                 reg17_19[2] = mode ? 0x23 : 0x43;
 887                 break;
 888         }
 889         /* Disable compression when the raw bayer format has been selected */
 890         if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv & MODE_RAW)
 891                 reg17_19[1] &= ~0x80;
 892
 893         /* reg 0x01 bit 2 video transfert on */
 894         reg_w(gspca_dev, 0x01, &sn9c10x[0x01 - 1], 1);
 895         /* reg 0x17 SensorClk enable inv Clk 0x60 */
 896         reg_w(gspca_dev, 0x17, &sn9c10x[0x17 - 1], 1);
 897         /* Set the registers from the template */
 898         reg_w(gspca_dev, 0x01, sn9c10x, l);
 899
 900         /* Init the sensor */
 901         i2c_w_vector(gspca_dev, sensor_data[sd->sensor].sensor_init,
 902                         sensor_data[sd->sensor].sensor_init_size);
 903         if (sensor_data[sd->sensor].sensor_bridge_init[sd->bridge])
 904                 i2c_w_vector(gspca_dev,
 905                         sensor_data[sd->sensor].sensor_bridge_init[sd->bridge],
 906                         sensor_data[sd->sensor].sensor_bridge_init_size[
 907                                 sd->bridge]);
 908
 909         /* H_size V_size 0x28, 0x1e -> 640x480. 0x16, 0x12 -> 352x288 */
 910         reg_w(gspca_dev, 0x15, &sn9c10x[0x15 - 1], 2);
 911         /* compression register */
 912         reg_w(gspca_dev, 0x18, &reg17_19[1], 1);
 913         /* H_start */
 914         reg_w(gspca_dev, 0x12, &sn9c10x[0x12 - 1], 1);
 915         /* V_START */
 916         reg_w(gspca_dev, 0x13, &sn9c10x[0x13 - 1], 1);
 917         /* reset 0x17 SensorClk enable inv Clk 0x60 */
 918                                 /*fixme: ov7630 [17]=68 8f (+20 if 102)*/
 919         reg_w(gspca_dev, 0x17, &reg17_19[0], 1);
 920         /*MCKSIZE ->3 */        /*fixme: not ov7630*/
 921         reg_w(gspca_dev, 0x19, &reg17_19[2], 1);
 922         /* AE_STRX AE_STRY AE_ENDX AE_ENDY */
 923         reg_w(gspca_dev, 0x1c, &sn9c10x[0x1c - 1], 4);
 924         /* Enable video transfert */
 925         reg_w(gspca_dev, 0x01, &sn9c10x[0], 1);
 926         /* Compression */
 927         reg_w(gspca_dev, 0x18, &reg17_19[1], 2);
 928         msleep(20);
 929
 930         sd->reg11 = -1;
 931
 932         setgain(gspca_dev);
 933         setbrightness(gspca_dev);
 934         setexposure(gspca_dev);
 935         setfreq(gspca_dev);
 936
 937         sd->frames_to_drop = 0;
 938         sd->autogain_ignore_frames = 0;
 939         atomic_set(&sd->avg_lum, -1);
 940 }
 941
 942 static void sd_stopN(struct gspca_dev *gspca_dev)
 943 {
 944         sd_init(gspca_dev);
 945 }
 946
 947 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 948                         struct gspca_frame *frame,      /* target */
 949                         unsigned char *data,            /* isoc packet */
 950                         int len)                        /* iso packet length */
 951 {
 952         int i;
 953         struct sd *sd = (struct sd *) gspca_dev;
 954         struct cam *cam = &gspca_dev->cam;
 955
 956         /* frames start with:
 957          *      ff ff 00 c4 c4 96       synchro
 958          *      00              (unknown)
 959          *      xx              (frame sequence / size / compression)
 960          *      (xx)            (idem - extra byte for sn9c103)
 961          *      ll mm           brightness sum inside auto exposure
 962          *      ll mm           brightness sum outside auto exposure
 963          *      (xx xx xx xx xx)        audio values for snc103
 964          */
 965         if (len > 6 && len < 24) {
 966                 for (i = 0; i < len - 6; i++) {
 967                         if (data[0 + i] == 0xff
 968                             && data[1 + i] == 0xff
 969                             && data[2 + i] == 0x00
 970                             && data[3 + i] == 0xc4
 971                             && data[4 + i] == 0xc4
 972                             && data[5 + i] == 0x96) {   /* start of frame */
 973                                 int lum = -1;
 974                                 int pkt_type = LAST_PACKET;
 975                                 int fr_h_sz = (sd->bridge == BRIDGE_103) ?
 976                                         18 : 12;
 977
 978                                 if (len - i < fr_h_sz) {
 979                                         PDEBUG(D_STREAM, "packet too short to"
 980                                                 " get avg brightness");
 981                                 } else if (sd->bridge == BRIDGE_103) {
 982                                         lum = data[i + 9] +
 983                                                 (data[i + 10] << 8);
 984                                 } else {
 985                                         lum = data[i + 8] + (data[i + 9] << 8);
 986                                 }
 987                                 if (lum == 0) {
 988                                         lum = -1;
 989                                         sd->frames_to_drop = 2;
 990                                 }
 991                                 atomic_set(&sd->avg_lum, lum);
 992
 993                                 if (sd->frames_to_drop) {
 994                                         sd->frames_to_drop--;
 995                                         pkt_type = DISCARD_PACKET;
 996                                 }
 997
 998                                 frame = gspca_frame_add(gspca_dev, pkt_type,
 999                                                         frame, data, 0);
1000                                 data += i + fr_h_sz;
1001                                 len -= i + fr_h_sz;
1002                                 gspca_frame_add(gspca_dev, FIRST_PACKET,
1003                                                 frame, data, len);
1004                                 return;
1005                         }
1006                 }
1007         }
1008
1009         if (cam->cam_mode[gspca_dev->curr_mode].priv & MODE_RAW) {
1010                 /* In raw mode we sometimes get some garbage after the frame
1011                    ignore this */
1012                 int used = frame->data_end - frame->data;
1013                 int size = cam->cam_mode[gspca_dev->curr_mode].sizeimage;
1014
1015                 if (used + len > size)
1016                         len = size - used;
1017         }
1018
1019         gspca_frame_add(gspca_dev, INTER_PACKET,
1020                         frame, data, len);
1021 }
1022
1023 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1024 {
1025         struct sd *sd = (struct sd *) gspca_dev;
1026
1027         sd->brightness = val;
1028         if (gspca_dev->streaming)
1029                 setbrightness(gspca_dev);
1030         return 0;
1031 }
1032
1033 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1034 {
1035         struct sd *sd = (struct sd *) gspca_dev;
1036
1037         *val = sd->brightness;
1038         return 0;
1039 }
1040
1041 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1042 {
1043         struct sd *sd = (struct sd *) gspca_dev;
1044
1045         sd->gain = val;
1046         if (gspca_dev->streaming)
1047                 setgain(gspca_dev);
1048         return 0;
1049 }
1050
1051 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1052 {
1053         struct sd *sd = (struct sd *) gspca_dev;
1054
1055         *val = sd->gain;
1056         return 0;
1057 }
1058
1059 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
1060 {
1061         struct sd *sd = (struct sd *) gspca_dev;
1062
1063         sd->exposure = val;
1064         if (gspca_dev->streaming)
1065                 setexposure(gspca_dev);
1066         return 0;
1067 }
1068
1069 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
1070 {
1071         struct sd *sd = (struct sd *) gspca_dev;
1072
1073         *val = sd->exposure;
1074         return 0;
1075 }
1076
1077 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
1078 {
1079         struct sd *sd = (struct sd *) gspca_dev;
1080
1081         sd->autogain = val;
1082         /* when switching to autogain set defaults to make sure
1083            we are on a valid point of the autogain gain /
1084            exposure knee graph, and give this change time to
1085            take effect before doing autogain. */
1086         if (sd->autogain) {
1087                 sd->exposure = EXPOSURE_DEF;
1088                 sd->gain = GAIN_DEF;
1089                 if (gspca_dev->streaming) {
1090                         sd->autogain_ignore_frames = AUTOGAIN_IGNORE_FRAMES;
1091                         setexposure(gspca_dev);
1092                         setgain(gspca_dev);
1093                 }
1094         }
1095
1096         return 0;
1097 }
1098
1099 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1100 {
1101         struct sd *sd = (struct sd *) gspca_dev;
1102
1103         *val = sd->autogain;
1104         return 0;
1105 }
1106
1107 static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val)
1108 {
1109         struct sd *sd = (struct sd *) gspca_dev;
1110
1111         sd->freq = val;
1112         if (gspca_dev->streaming)
1113                 setfreq(gspca_dev);
1114         return 0;
1115 }
1116
1117 static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val)
1118 {
1119         struct sd *sd = (struct sd *) gspca_dev;
1120
1121         *val = sd->freq;
1122         return 0;
1123 }
1124
1125 static int sd_querymenu(struct gspca_dev *gspca_dev,
1126                         struct v4l2_querymenu *menu)
1127 {
1128         switch (menu->id) {
1129         case V4L2_CID_POWER_LINE_FREQUENCY:
1130                 switch (menu->index) {
1131                 case 0:         /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1132                         strcpy((char *) menu->name, "NoFliker");
1133                         return 0;
1134                 case 1:         /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1135                         strcpy((char *) menu->name, "50 Hz");
1136                         return 0;
1137                 case 2:         /* V4L2_CID_POWER_LINE_FREQUENCY_60HZ */
1138                         strcpy((char *) menu->name, "60 Hz");
1139                         return 0;
1140                 }
1141                 break;
1142         }
1143         return -EINVAL;
1144 }
1145
1146 /* sub-driver description */
1147 static const struct sd_desc sd_desc = {
1148         .name = MODULE_NAME,
1149         .ctrls = sd_ctrls,
1150         .nctrls = ARRAY_SIZE(sd_ctrls),
1151         .config = sd_config,
1152         .init = sd_init,
1153         .start = sd_start,
1154         .stopN = sd_stopN,
1155         .pkt_scan = sd_pkt_scan,
1156         .querymenu = sd_querymenu,
1157         .dq_callback = do_autogain,
1158 };
1159
1160 /* -- module initialisation -- */
1161 #define SB(sensor, bridge) \
1162         .driver_info = (SENSOR_ ## sensor << 8) | BRIDGE_ ## bridge
1163
1164
1165 static __devinitdata struct usb_device_id device_table[] = {
1166 #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
1167         {USB_DEVICE(0x0c45, 0x6001), SB(TAS5110, 102)},
1168         {USB_DEVICE(0x0c45, 0x6005), SB(TAS5110, 101)},
1169         {USB_DEVICE(0x0c45, 0x6007), SB(TAS5110, 101)},
1170         {USB_DEVICE(0x0c45, 0x6009), SB(PAS106, 101)},
1171         {USB_DEVICE(0x0c45, 0x600d), SB(PAS106, 101)},
1172 #endif
1173         {USB_DEVICE(0x0c45, 0x6011), SB(OV6650, 101)},
1174 #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
1175         {USB_DEVICE(0x0c45, 0x6019), SB(OV7630, 101)},
1176         {USB_DEVICE(0x0c45, 0x6024), SB(TAS5130CXX, 102)},
1177         {USB_DEVICE(0x0c45, 0x6025), SB(TAS5130CXX, 102)},
1178         {USB_DEVICE(0x0c45, 0x6028), SB(PAS202, 102)},
1179         {USB_DEVICE(0x0c45, 0x6029), SB(PAS106, 102)},
1180         {USB_DEVICE(0x0c45, 0x602c), SB(OV7630, 102)},
1181 #endif
1182         {USB_DEVICE(0x0c45, 0x602d), SB(HV7131R, 102)},
1183 #if !defined CONFIG_USB_SN9C102 && !defined CONFIG_USB_SN9C102_MODULE
1184         {USB_DEVICE(0x0c45, 0x602e), SB(OV7630, 102)},
1185         {USB_DEVICE(0x0c45, 0x608f), SB(OV7630, 103)},
1186         {USB_DEVICE(0x0c45, 0x60af), SB(PAS202, 103)},
1187         {USB_DEVICE(0x0c45, 0x60b0), SB(OV7630, 103)},
1188 #endif
1189         {}
1190 };
1191 MODULE_DEVICE_TABLE(usb, device_table);
1192
1193 /* -- device connect -- */
1194 static int sd_probe(struct usb_interface *intf,
1195                         const struct usb_device_id *id)
1196 {
1197         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1198                                 THIS_MODULE);
1199 }
1200
1201 static struct usb_driver sd_driver = {
1202         .name = MODULE_NAME,
1203         .id_table = device_table,
1204         .probe = sd_probe,
1205         .disconnect = gspca_disconnect,
1206 #ifdef CONFIG_PM
1207         .suspend = gspca_suspend,
1208         .resume = gspca_resume,
1209 #endif
1210 };
1211
1212 /* -- module insert / remove -- */
1213 static int __init sd_mod_init(void)
1214 {
1215         if (usb_register(&sd_driver) < 0)
1216                 return -1;
1217         PDEBUG(D_PROBE, "registered");
1218         return 0;
1219 }
1220 static void __exit sd_mod_exit(void)
1221 {
1222         usb_deregister(&sd_driver);
1223         PDEBUG(D_PROBE, "deregistered");
1224 }
1225
1226 module_init(sd_mod_init);
1227 module_exit(sd_mod_exit);