drivers/media/video/gspca/ov534.c

   1 /*
   2  * ov534-ov7xxx gspca driver
   3  *
   4  * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
   5  * Copyright (C) 2008 Jim Paris <jim@jtan.com>
   6  * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
   7  *
   8  * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
   9  * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
  10  * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
  11  *
  12  * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr
  13  * PS3 Eye camera - brightness, contrast, awb, agc, aec controls
  14  *                  added by Max Thrun <bear24rw@gmail.com>
  15  *
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License as published by
  18  * the Free Software Foundation; either version 2 of the License, or
  19  * any later version.
  20  *
  21  * This program is distributed in the hope that it will be useful,
  22  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  24  * GNU General Public License for more details.
  25  *
  26  * You should have received a copy of the GNU General Public License
  27  * along with this program; if not, write to the Free Software
  28  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  29  */
  30
  31 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  32
  33 #define MODULE_NAME "ov534"
  34
  35 #include "gspca.h"
  36
  37 #define OV534_REG_ADDRESS       0xf1    /* sensor address */
  38 #define OV534_REG_SUBADDR       0xf2
  39 #define OV534_REG_WRITE         0xf3
  40 #define OV534_REG_READ          0xf4
  41 #define OV534_REG_OPERATION     0xf5
  42 #define OV534_REG_STATUS        0xf6
  43
  44 #define OV534_OP_WRITE_3        0x37
  45 #define OV534_OP_WRITE_2        0x33
  46 #define OV534_OP_READ_2         0xf9
  47
  48 #define CTRL_TIMEOUT 500
  49
  50 MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
  51 MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
  52 MODULE_LICENSE("GPL");
  53
  54 /* controls */
  55 enum e_ctrl {
  56         BRIGHTNESS,
  57         CONTRAST,
  58         GAIN,
  59         EXPOSURE,
  60         AGC,
  61         AWB,
  62         AEC,
  63         SHARPNESS,
  64         HFLIP,
  65         VFLIP,
  66         COLORS,
  67         LIGHTFREQ,
  68         NCTRLS          /* number of controls */
  69 };
  70
  71 /* specific webcam descriptor */
  72 struct sd {
  73         struct gspca_dev gspca_dev;     /* !! must be the first item */
  74
  75         struct gspca_ctrl ctrls[NCTRLS];
  76
  77         __u32 last_pts;
  78         u16 last_fid;
  79         u8 frame_rate;
  80
  81         u8 sensor;
  82 };
  83 enum sensors {
  84         SENSOR_OV767x,
  85         SENSOR_OV772x,
  86         NSENSORS
  87 };
  88
  89 /* V4L2 controls supported by the driver */
  90 static void setbrightness(struct gspca_dev *gspca_dev);
  91 static void setcontrast(struct gspca_dev *gspca_dev);
  92 static void setgain(struct gspca_dev *gspca_dev);
  93 static void setexposure(struct gspca_dev *gspca_dev);
  94 static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val);
  95 static void setawb(struct gspca_dev *gspca_dev);
  96 static void setaec(struct gspca_dev *gspca_dev);
  97 static void setsharpness(struct gspca_dev *gspca_dev);
  98 static void sethvflip(struct gspca_dev *gspca_dev);
  99 static void setcolors(struct gspca_dev *gspca_dev);
 100 static void setlightfreq(struct gspca_dev *gspca_dev);
 101
 102 static int sd_start(struct gspca_dev *gspca_dev);
 103 static void sd_stopN(struct gspca_dev *gspca_dev);
 104
 105 static const struct ctrl sd_ctrls[] = {
 106 [BRIGHTNESS] = {
 107                 {
 108                         .id      = V4L2_CID_BRIGHTNESS,
 109                         .type    = V4L2_CTRL_TYPE_INTEGER,
 110                         .name    = "Brightness",
 111                         .minimum = 0,
 112                         .maximum = 255,
 113                         .step    = 1,
 114                         .default_value = 0,
 115                 },
 116                 .set_control = setbrightness
 117         },
 118 [CONTRAST] = {
 119                 {
 120                         .id      = V4L2_CID_CONTRAST,
 121                         .type    = V4L2_CTRL_TYPE_INTEGER,
 122                         .name    = "Contrast",
 123                         .minimum = 0,
 124                         .maximum = 255,
 125                         .step    = 1,
 126                         .default_value = 32,
 127                 },
 128                 .set_control = setcontrast
 129         },
 130 [GAIN] = {
 131                 {
 132                         .id      = V4L2_CID_GAIN,
 133                         .type    = V4L2_CTRL_TYPE_INTEGER,
 134                         .name    = "Main Gain",
 135                         .minimum = 0,
 136                         .maximum = 63,
 137                         .step    = 1,
 138                         .default_value = 20,
 139                 },
 140                 .set_control = setgain
 141         },
 142 [EXPOSURE] = {
 143                 {
 144                         .id      = V4L2_CID_EXPOSURE,
 145                         .type    = V4L2_CTRL_TYPE_INTEGER,
 146                         .name    = "Exposure",
 147                         .minimum = 0,
 148                         .maximum = 255,
 149                         .step    = 1,
 150                         .default_value = 120,
 151                 },
 152                 .set_control = setexposure
 153         },
 154 [AGC] = {
 155                 {
 156                         .id      = V4L2_CID_AUTOGAIN,
 157                         .type    = V4L2_CTRL_TYPE_BOOLEAN,
 158                         .name    = "Auto Gain",
 159                         .minimum = 0,
 160                         .maximum = 1,
 161                         .step    = 1,
 162                         .default_value = 1,
 163                 },
 164                 .set = sd_setagc
 165         },
 166 [AWB] = {
 167                 {
 168                         .id      = V4L2_CID_AUTO_WHITE_BALANCE,
 169                         .type    = V4L2_CTRL_TYPE_BOOLEAN,
 170                         .name    = "Auto White Balance",
 171                         .minimum = 0,
 172                         .maximum = 1,
 173                         .step    = 1,
 174                         .default_value = 1,
 175                 },
 176                 .set_control = setawb
 177         },
 178 [AEC] = {
 179                 {
 180                         .id      = V4L2_CID_EXPOSURE_AUTO,
 181                         .type    = V4L2_CTRL_TYPE_BOOLEAN,
 182                         .name    = "Auto Exposure",
 183                         .minimum = 0,
 184                         .maximum = 1,
 185                         .step    = 1,
 186                         .default_value = 1,
 187                 },
 188                 .set_control = setaec
 189         },
 190 [SHARPNESS] = {
 191                 {
 192                         .id      = V4L2_CID_SHARPNESS,
 193                         .type    = V4L2_CTRL_TYPE_INTEGER,
 194                         .name    = "Sharpness",
 195                         .minimum = 0,
 196                         .maximum = 63,
 197                         .step    = 1,
 198                         .default_value = 0,
 199                 },
 200                 .set_control = setsharpness
 201         },
 202 [HFLIP] = {
 203                 {
 204                         .id      = V4L2_CID_HFLIP,
 205                         .type    = V4L2_CTRL_TYPE_BOOLEAN,
 206                         .name    = "HFlip",
 207                         .minimum = 0,
 208                         .maximum = 1,
 209                         .step    = 1,
 210                         .default_value = 0,
 211                 },
 212                 .set_control = sethvflip
 213         },
 214 [VFLIP] = {
 215                 {
 216                         .id      = V4L2_CID_VFLIP,
 217                         .type    = V4L2_CTRL_TYPE_BOOLEAN,
 218                         .name    = "VFlip",
 219                         .minimum = 0,
 220                         .maximum = 1,
 221                         .step    = 1,
 222                         .default_value = 0,
 223                 },
 224                 .set_control = sethvflip
 225         },
 226 [COLORS] = {
 227                 {
 228                         .id      = V4L2_CID_SATURATION,
 229                         .type    = V4L2_CTRL_TYPE_INTEGER,
 230                         .name    = "Saturation",
 231                         .minimum = 0,
 232                         .maximum = 6,
 233                         .step    = 1,
 234                         .default_value = 3,
 235                 },
 236                 .set_control = setcolors
 237         },
 238 [LIGHTFREQ] = {
 239                 {
 240                         .id      = V4L2_CID_POWER_LINE_FREQUENCY,
 241                         .type    = V4L2_CTRL_TYPE_MENU,
 242                         .name    = "Light Frequency Filter",
 243                         .minimum = 0,
 244                         .maximum = 1,
 245                         .step    = 1,
 246                         .default_value = 0,
 247                 },
 248                 .set_control = setlightfreq
 249         },
 250 };
 251
 252 static const struct v4l2_pix_format ov772x_mode[] = {
 253         {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
 254          .bytesperline = 320 * 2,
 255          .sizeimage = 320 * 240 * 2,
 256          .colorspace = V4L2_COLORSPACE_SRGB,
 257          .priv = 1},
 258         {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
 259          .bytesperline = 640 * 2,
 260          .sizeimage = 640 * 480 * 2,
 261          .colorspace = V4L2_COLORSPACE_SRGB,
 262          .priv = 0},
 263 };
 264 static const struct v4l2_pix_format ov767x_mode[] = {
 265         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 266                 .bytesperline = 320,
 267                 .sizeimage = 320 * 240 * 3 / 8 + 590,
 268                 .colorspace = V4L2_COLORSPACE_JPEG},
 269         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
 270                 .bytesperline = 640,
 271                 .sizeimage = 640 * 480 * 3 / 8 + 590,
 272                 .colorspace = V4L2_COLORSPACE_JPEG},
 273 };
 274
 275 static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30};
 276 static const u8 vga_rates[] = {60, 50, 40, 30, 15};
 277
 278 static const struct framerates ov772x_framerates[] = {
 279         { /* 320x240 */
 280                 .rates = qvga_rates,
 281                 .nrates = ARRAY_SIZE(qvga_rates),
 282         },
 283         { /* 640x480 */
 284                 .rates = vga_rates,
 285                 .nrates = ARRAY_SIZE(vga_rates),
 286         },
 287 };
 288
 289 struct reg_array {
 290         const u8 (*val)[2];
 291         int len;
 292 };
 293
 294 static const u8 bridge_init_767x[][2] = {
 295 /* comments from the ms-win file apollo7670.set */
 296 /* str1 */
 297         {0xf1, 0x42},
 298         {0x88, 0xf8},
 299         {0x89, 0xff},
 300         {0x76, 0x03},
 301         {0x92, 0x03},
 302         {0x95, 0x10},
 303         {0xe2, 0x00},
 304         {0xe7, 0x3e},
 305         {0x8d, 0x1c},
 306         {0x8e, 0x00},
 307         {0x8f, 0x00},
 308         {0x1f, 0x00},
 309         {0xc3, 0xf9},
 310         {0x89, 0xff},
 311         {0x88, 0xf8},
 312         {0x76, 0x03},
 313         {0x92, 0x01},
 314         {0x93, 0x18},
 315         {0x1c, 0x00},
 316         {0x1d, 0x48},
 317         {0x1d, 0x00},
 318         {0x1d, 0xff},
 319         {0x1d, 0x02},
 320         {0x1d, 0x58},
 321         {0x1d, 0x00},
 322         {0x1c, 0x0a},
 323         {0x1d, 0x0a},
 324         {0x1d, 0x0e},
 325         {0xc0, 0x50},   /* HSize 640 */
 326         {0xc1, 0x3c},   /* VSize 480 */
 327         {0x34, 0x05},   /* enable Audio Suspend mode */
 328         {0xc2, 0x0c},   /* Input YUV */
 329         {0xc3, 0xf9},   /* enable PRE */
 330         {0x34, 0x05},   /* enable Audio Suspend mode */
 331         {0xe7, 0x2e},   /* this solves failure of "SuspendResumeTest" */
 332         {0x31, 0xf9},   /* enable 1.8V Suspend */
 333         {0x35, 0x02},   /* turn on JPEG */
 334         {0xd9, 0x10},
 335         {0x25, 0x42},   /* GPIO[8]:Input */
 336         {0x94, 0x11},   /* If the default setting is loaded when
 337                          * system boots up, this flag is closed here */
 338 };
 339 static const u8 sensor_init_767x[][2] = {
 340         {0x12, 0x80},
 341         {0x11, 0x03},
 342         {0x3a, 0x04},
 343         {0x12, 0x00},
 344         {0x17, 0x13},
 345         {0x18, 0x01},
 346         {0x32, 0xb6},
 347         {0x19, 0x02},
 348         {0x1a, 0x7a},
 349         {0x03, 0x0a},
 350         {0x0c, 0x00},
 351         {0x3e, 0x00},
 352         {0x70, 0x3a},
 353         {0x71, 0x35},
 354         {0x72, 0x11},
 355         {0x73, 0xf0},
 356         {0xa2, 0x02},
 357         {0x7a, 0x2a},   /* set Gamma=1.6 below */
 358         {0x7b, 0x12},
 359         {0x7c, 0x1d},
 360         {0x7d, 0x2d},
 361         {0x7e, 0x45},
 362         {0x7f, 0x50},
 363         {0x80, 0x59},
 364         {0x81, 0x62},
 365         {0x82, 0x6b},
 366         {0x83, 0x73},
 367         {0x84, 0x7b},
 368         {0x85, 0x8a},
 369         {0x86, 0x98},
 370         {0x87, 0xb2},
 371         {0x88, 0xca},
 372         {0x89, 0xe0},
 373         {0x13, 0xe0},
 374         {0x00, 0x00},
 375         {0x10, 0x00},
 376         {0x0d, 0x40},
 377         {0x14, 0x38},   /* gain max 16x */
 378         {0xa5, 0x05},
 379         {0xab, 0x07},
 380         {0x24, 0x95},
 381         {0x25, 0x33},
 382         {0x26, 0xe3},
 383         {0x9f, 0x78},
 384         {0xa0, 0x68},
 385         {0xa1, 0x03},
 386         {0xa6, 0xd8},
 387         {0xa7, 0xd8},
 388         {0xa8, 0xf0},
 389         {0xa9, 0x90},
 390         {0xaa, 0x94},
 391         {0x13, 0xe5},
 392         {0x0e, 0x61},
 393         {0x0f, 0x4b},
 394         {0x16, 0x02},
 395         {0x21, 0x02},
 396         {0x22, 0x91},
 397         {0x29, 0x07},
 398         {0x33, 0x0b},
 399         {0x35, 0x0b},
 400         {0x37, 0x1d},
 401         {0x38, 0x71},
 402         {0x39, 0x2a},
 403         {0x3c, 0x78},
 404         {0x4d, 0x40},
 405         {0x4e, 0x20},
 406         {0x69, 0x00},
 407         {0x6b, 0x4a},
 408         {0x74, 0x10},
 409         {0x8d, 0x4f},
 410         {0x8e, 0x00},
 411         {0x8f, 0x00},
 412         {0x90, 0x00},
 413         {0x91, 0x00},
 414         {0x96, 0x00},
 415         {0x9a, 0x80},
 416         {0xb0, 0x84},
 417         {0xb1, 0x0c},
 418         {0xb2, 0x0e},
 419         {0xb3, 0x82},
 420         {0xb8, 0x0a},
 421         {0x43, 0x0a},
 422         {0x44, 0xf0},
 423         {0x45, 0x34},
 424         {0x46, 0x58},
 425         {0x47, 0x28},
 426         {0x48, 0x3a},
 427         {0x59, 0x88},
 428         {0x5a, 0x88},
 429         {0x5b, 0x44},
 430         {0x5c, 0x67},
 431         {0x5d, 0x49},
 432         {0x5e, 0x0e},
 433         {0x6c, 0x0a},
 434         {0x6d, 0x55},
 435         {0x6e, 0x11},
 436         {0x6f, 0x9f},
 437         {0x6a, 0x40},
 438         {0x01, 0x40},
 439         {0x02, 0x40},
 440         {0x13, 0xe7},
 441         {0x4f, 0x80},
 442         {0x50, 0x80},
 443         {0x51, 0x00},
 444         {0x52, 0x22},
 445         {0x53, 0x5e},
 446         {0x54, 0x80},
 447         {0x58, 0x9e},
 448         {0x41, 0x08},
 449         {0x3f, 0x00},
 450         {0x75, 0x04},
 451         {0x76, 0xe1},
 452         {0x4c, 0x00},
 453         {0x77, 0x01},
 454         {0x3d, 0xc2},
 455         {0x4b, 0x09},
 456         {0xc9, 0x60},
 457         {0x41, 0x38},   /* jfm: auto sharpness + auto de-noise  */
 458         {0x56, 0x40},
 459         {0x34, 0x11},
 460         {0x3b, 0xc2},
 461         {0xa4, 0x8a},   /* Night mode trigger point */
 462         {0x96, 0x00},
 463         {0x97, 0x30},
 464         {0x98, 0x20},
 465         {0x99, 0x20},
 466         {0x9a, 0x84},
 467         {0x9b, 0x29},
 468         {0x9c, 0x03},
 469         {0x9d, 0x4c},
 470         {0x9e, 0x3f},
 471         {0x78, 0x04},
 472         {0x79, 0x01},
 473         {0xc8, 0xf0},
 474         {0x79, 0x0f},
 475         {0xc8, 0x00},
 476         {0x79, 0x10},
 477         {0xc8, 0x7e},
 478         {0x79, 0x0a},
 479         {0xc8, 0x80},
 480         {0x79, 0x0b},
 481         {0xc8, 0x01},
 482         {0x79, 0x0c},
 483         {0xc8, 0x0f},
 484         {0x79, 0x0d},
 485         {0xc8, 0x20},
 486         {0x79, 0x09},
 487         {0xc8, 0x80},
 488         {0x79, 0x02},
 489         {0xc8, 0xc0},
 490         {0x79, 0x03},
 491         {0xc8, 0x20},
 492         {0x79, 0x26},
 493 };
 494 static const u8 bridge_start_vga_767x[][2] = {
 495 /* str59 JPG */
 496         {0x94, 0xaa},
 497         {0xf1, 0x42},
 498         {0xe5, 0x04},
 499         {0xc0, 0x50},
 500         {0xc1, 0x3c},
 501         {0xc2, 0x0c},
 502         {0x35, 0x02},   /* turn on JPEG */
 503         {0xd9, 0x10},
 504         {0xda, 0x00},   /* for higher clock rate(30fps) */
 505         {0x34, 0x05},   /* enable Audio Suspend mode */
 506         {0xc3, 0xf9},   /* enable PRE */
 507         {0x8c, 0x00},   /* CIF VSize LSB[2:0] */
 508         {0x8d, 0x1c},   /* output YUV */
 509 /*      {0x34, 0x05},    * enable Audio Suspend mode (?) */
 510         {0x50, 0x00},   /* H/V divider=0 */
 511         {0x51, 0xa0},   /* input H=640/4 */
 512         {0x52, 0x3c},   /* input V=480/4 */
 513         {0x53, 0x00},   /* offset X=0 */
 514         {0x54, 0x00},   /* offset Y=0 */
 515         {0x55, 0x00},   /* H/V size[8]=0 */
 516         {0x57, 0x00},   /* H-size[9]=0 */
 517         {0x5c, 0x00},   /* output size[9:8]=0 */
 518         {0x5a, 0xa0},   /* output H=640/4 */
 519         {0x5b, 0x78},   /* output V=480/4 */
 520         {0x1c, 0x0a},
 521         {0x1d, 0x0a},
 522         {0x94, 0x11},
 523 };
 524 static const u8 sensor_start_vga_767x[][2] = {
 525         {0x11, 0x01},
 526         {0x1e, 0x04},
 527         {0x19, 0x02},
 528         {0x1a, 0x7a},
 529 };
 530 static const u8 bridge_start_qvga_767x[][2] = {
 531 /* str86 JPG */
 532         {0x94, 0xaa},
 533         {0xf1, 0x42},
 534         {0xe5, 0x04},
 535         {0xc0, 0x80},
 536         {0xc1, 0x60},
 537         {0xc2, 0x0c},
 538         {0x35, 0x02},   /* turn on JPEG */
 539         {0xd9, 0x10},
 540         {0xc0, 0x50},   /* CIF HSize 640 */
 541         {0xc1, 0x3c},   /* CIF VSize 480 */
 542         {0x8c, 0x00},   /* CIF VSize LSB[2:0] */
 543         {0x8d, 0x1c},   /* output YUV */
 544         {0x34, 0x05},   /* enable Audio Suspend mode */
 545         {0xc2, 0x4c},   /* output YUV and Enable DCW */
 546         {0xc3, 0xf9},   /* enable PRE */
 547         {0x1c, 0x00},   /* indirect addressing */
 548         {0x1d, 0x48},   /* output YUV422 */
 549         {0x50, 0x89},   /* H/V divider=/2; plus DCW AVG */
 550         {0x51, 0xa0},   /* DCW input H=640/4 */
 551         {0x52, 0x78},   /* DCW input V=480/4 */
 552         {0x53, 0x00},   /* offset X=0 */
 553         {0x54, 0x00},   /* offset Y=0 */
 554         {0x55, 0x00},   /* H/V size[8]=0 */
 555         {0x57, 0x00},   /* H-size[9]=0 */
 556         {0x5c, 0x00},   /* DCW output size[9:8]=0 */
 557         {0x5a, 0x50},   /* DCW output H=320/4 */
 558         {0x5b, 0x3c},   /* DCW output V=240/4 */
 559         {0x1c, 0x0a},
 560         {0x1d, 0x0a},
 561         {0x94, 0x11},
 562 };
 563 static const u8 sensor_start_qvga_767x[][2] = {
 564         {0x11, 0x01},
 565         {0x1e, 0x04},
 566         {0x19, 0x02},
 567         {0x1a, 0x7a},
 568 };
 569
 570 static const u8 bridge_init_772x[][2] = {
 571         { 0xc2, 0x0c },
 572         { 0x88, 0xf8 },
 573         { 0xc3, 0x69 },
 574         { 0x89, 0xff },
 575         { 0x76, 0x03 },
 576         { 0x92, 0x01 },
 577         { 0x93, 0x18 },
 578         { 0x94, 0x10 },
 579         { 0x95, 0x10 },
 580         { 0xe2, 0x00 },
 581         { 0xe7, 0x3e },
 582
 583         { 0x96, 0x00 },
 584
 585         { 0x97, 0x20 },
 586         { 0x97, 0x20 },
 587         { 0x97, 0x20 },
 588         { 0x97, 0x0a },
 589         { 0x97, 0x3f },
 590         { 0x97, 0x4a },
 591         { 0x97, 0x20 },
 592         { 0x97, 0x15 },
 593         { 0x97, 0x0b },
 594
 595         { 0x8e, 0x40 },
 596         { 0x1f, 0x81 },
 597         { 0x34, 0x05 },
 598         { 0xe3, 0x04 },
 599         { 0x88, 0x00 },
 600         { 0x89, 0x00 },
 601         { 0x76, 0x00 },
 602         { 0xe7, 0x2e },
 603         { 0x31, 0xf9 },
 604         { 0x25, 0x42 },
 605         { 0x21, 0xf0 },
 606
 607         { 0x1c, 0x00 },
 608         { 0x1d, 0x40 },
 609         { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
 610         { 0x1d, 0x00 }, /* payload size */
 611
 612         { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
 613         { 0x1d, 0x58 }, /* frame size */
 614         { 0x1d, 0x00 }, /* frame size */
 615
 616         { 0x1c, 0x0a },
 617         { 0x1d, 0x08 }, /* turn on UVC header */
 618         { 0x1d, 0x0e }, /* .. */
 619
 620         { 0x8d, 0x1c },
 621         { 0x8e, 0x80 },
 622         { 0xe5, 0x04 },
 623
 624         { 0xc0, 0x50 },
 625         { 0xc1, 0x3c },
 626         { 0xc2, 0x0c },
 627 };
 628 static const u8 sensor_init_772x[][2] = {
 629         { 0x12, 0x80 },
 630         { 0x11, 0x01 },
 631 /*fixme: better have a delay?*/
 632         { 0x11, 0x01 },
 633         { 0x11, 0x01 },
 634         { 0x11, 0x01 },
 635         { 0x11, 0x01 },
 636         { 0x11, 0x01 },
 637         { 0x11, 0x01 },
 638         { 0x11, 0x01 },
 639         { 0x11, 0x01 },
 640         { 0x11, 0x01 },
 641         { 0x11, 0x01 },
 642
 643         { 0x3d, 0x03 },
 644         { 0x17, 0x26 },
 645         { 0x18, 0xa0 },
 646         { 0x19, 0x07 },
 647         { 0x1a, 0xf0 },
 648         { 0x32, 0x00 },
 649         { 0x29, 0xa0 },
 650         { 0x2c, 0xf0 },
 651         { 0x65, 0x20 },
 652         { 0x11, 0x01 },
 653         { 0x42, 0x7f },
 654         { 0x63, 0xaa },         /* AWB - was e0 */
 655         { 0x64, 0xff },
 656         { 0x66, 0x00 },
 657         { 0x13, 0xf0 },         /* com8 */
 658         { 0x0d, 0x41 },
 659         { 0x0f, 0xc5 },
 660         { 0x14, 0x11 },
 661
 662         { 0x22, 0x7f },
 663         { 0x23, 0x03 },
 664         { 0x24, 0x40 },
 665         { 0x25, 0x30 },
 666         { 0x26, 0xa1 },
 667         { 0x2a, 0x00 },
 668         { 0x2b, 0x00 },
 669         { 0x6b, 0xaa },
 670         { 0x13, 0xff },         /* AWB */
 671
 672         { 0x90, 0x05 },
 673         { 0x91, 0x01 },
 674         { 0x92, 0x03 },
 675         { 0x93, 0x00 },
 676         { 0x94, 0x60 },
 677         { 0x95, 0x3c },
 678         { 0x96, 0x24 },
 679         { 0x97, 0x1e },
 680         { 0x98, 0x62 },
 681         { 0x99, 0x80 },
 682         { 0x9a, 0x1e },
 683         { 0x9b, 0x08 },
 684         { 0x9c, 0x20 },
 685         { 0x9e, 0x81 },
 686
 687         { 0xa6, 0x04 },
 688         { 0x7e, 0x0c },
 689         { 0x7f, 0x16 },
 690         { 0x80, 0x2a },
 691         { 0x81, 0x4e },
 692         { 0x82, 0x61 },
 693         { 0x83, 0x6f },
 694         { 0x84, 0x7b },
 695         { 0x85, 0x86 },
 696         { 0x86, 0x8e },
 697         { 0x87, 0x97 },
 698         { 0x88, 0xa4 },
 699         { 0x89, 0xaf },
 700         { 0x8a, 0xc5 },
 701         { 0x8b, 0xd7 },
 702         { 0x8c, 0xe8 },
 703         { 0x8d, 0x20 },
 704
 705         { 0x0c, 0x90 },
 706
 707         { 0x2b, 0x00 },
 708         { 0x22, 0x7f },
 709         { 0x23, 0x03 },
 710         { 0x11, 0x01 },
 711         { 0x0c, 0xd0 },
 712         { 0x64, 0xff },
 713         { 0x0d, 0x41 },
 714
 715         { 0x14, 0x41 },
 716         { 0x0e, 0xcd },
 717         { 0xac, 0xbf },
 718         { 0x8e, 0x00 },         /* De-noise threshold */
 719         { 0x0c, 0xd0 }
 720 };
 721 static const u8 bridge_start_vga_772x[][2] = {
 722         {0x1c, 0x00},
 723         {0x1d, 0x40},
 724         {0x1d, 0x02},
 725         {0x1d, 0x00},
 726         {0x1d, 0x02},
 727         {0x1d, 0x58},
 728         {0x1d, 0x00},
 729         {0xc0, 0x50},
 730         {0xc1, 0x3c},
 731 };
 732 static const u8 sensor_start_vga_772x[][2] = {
 733         {0x12, 0x00},
 734         {0x17, 0x26},
 735         {0x18, 0xa0},
 736         {0x19, 0x07},
 737         {0x1a, 0xf0},
 738         {0x29, 0xa0},
 739         {0x2c, 0xf0},
 740         {0x65, 0x20},
 741 };
 742 static const u8 bridge_start_qvga_772x[][2] = {
 743         {0x1c, 0x00},
 744         {0x1d, 0x40},
 745         {0x1d, 0x02},
 746         {0x1d, 0x00},
 747         {0x1d, 0x01},
 748         {0x1d, 0x4b},
 749         {0x1d, 0x00},
 750         {0xc0, 0x28},
 751         {0xc1, 0x1e},
 752 };
 753 static const u8 sensor_start_qvga_772x[][2] = {
 754         {0x12, 0x40},
 755         {0x17, 0x3f},
 756         {0x18, 0x50},
 757         {0x19, 0x03},
 758         {0x1a, 0x78},
 759         {0x29, 0x50},
 760         {0x2c, 0x78},
 761         {0x65, 0x2f},
 762 };
 763
 764 static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
 765 {
 766         struct usb_device *udev = gspca_dev->dev;
 767         int ret;
 768
 769         if (gspca_dev->usb_err < 0)
 770                 return;
 771
 772         PDEBUG(D_USBO, "SET 01 0000 %04x %02x", reg, val);
 773         gspca_dev->usb_buf[0] = val;
 774         ret = usb_control_msg(udev,
 775                               usb_sndctrlpipe(udev, 0),
 776                               0x01,
 777                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 778                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 779         if (ret < 0) {
 780                 pr_err("write failed %d\n", ret);
 781                 gspca_dev->usb_err = ret;
 782         }
 783 }
 784
 785 static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 786 {
 787         struct usb_device *udev = gspca_dev->dev;
 788         int ret;
 789
 790         if (gspca_dev->usb_err < 0)
 791                 return 0;
 792         ret = usb_control_msg(udev,
 793                               usb_rcvctrlpipe(udev, 0),
 794                               0x01,
 795                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 796                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 797         PDEBUG(D_USBI, "GET 01 0000 %04x %02x", reg, gspca_dev->usb_buf[0]);
 798         if (ret < 0) {
 799                 pr_err("read failed %d\n", ret);
 800                 gspca_dev->usb_err = ret;
 801         }
 802         return gspca_dev->usb_buf[0];
 803 }
 804
 805 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
 806  * (direction and output)? */
 807 static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
 808 {
 809         u8 data;
 810
 811         PDEBUG(D_CONF, "led status: %d", status);
 812
 813         data = ov534_reg_read(gspca_dev, 0x21);
 814         data |= 0x80;
 815         ov534_reg_write(gspca_dev, 0x21, data);
 816
 817         data = ov534_reg_read(gspca_dev, 0x23);
 818         if (status)
 819                 data |= 0x80;
 820         else
 821                 data &= ~0x80;
 822
 823         ov534_reg_write(gspca_dev, 0x23, data);
 824
 825         if (!status) {
 826                 data = ov534_reg_read(gspca_dev, 0x21);
 827                 data &= ~0x80;
 828                 ov534_reg_write(gspca_dev, 0x21, data);
 829         }
 830 }
 831
 832 static int sccb_check_status(struct gspca_dev *gspca_dev)
 833 {
 834         u8 data;
 835         int i;
 836
 837         for (i = 0; i < 5; i++) {
 838                 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
 839
 840                 switch (data) {
 841                 case 0x00:
 842                         return 1;
 843                 case 0x04:
 844                         return 0;
 845                 case 0x03:
 846                         break;
 847                 default:
 848                         PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
 849                                data, i + 1);
 850                 }
 851         }
 852         return 0;
 853 }
 854
 855 static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 856 {
 857         PDEBUG(D_USBO, "sccb write: %02x %02x", reg, val);
 858         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 859         ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
 860         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
 861
 862         if (!sccb_check_status(gspca_dev)) {
 863                 pr_err("sccb_reg_write failed\n");
 864                 gspca_dev->usb_err = -EIO;
 865         }
 866 }
 867
 868 static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 869 {
 870         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 871         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
 872         if (!sccb_check_status(gspca_dev))
 873                 pr_err("sccb_reg_read failed 1\n");
 874
 875         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
 876         if (!sccb_check_status(gspca_dev))
 877                 pr_err("sccb_reg_read failed 2\n");
 878
 879         return ov534_reg_read(gspca_dev, OV534_REG_READ);
 880 }
 881
 882 /* output a bridge sequence (reg - val) */
 883 static void reg_w_array(struct gspca_dev *gspca_dev,
 884                         const u8 (*data)[2], int len)
 885 {
 886         while (--len >= 0) {
 887                 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 888                 data++;
 889         }
 890 }
 891
 892 /* output a sensor sequence (reg - val) */
 893 static void sccb_w_array(struct gspca_dev *gspca_dev,
 894                         const u8 (*data)[2], int len)
 895 {
 896         while (--len >= 0) {
 897                 if ((*data)[0] != 0xff) {
 898                         sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 899                 } else {
 900                         sccb_reg_read(gspca_dev, (*data)[1]);
 901                         sccb_reg_write(gspca_dev, 0xff, 0x00);
 902                 }
 903                 data++;
 904         }
 905 }
 906
 907 /* ov772x specific controls */
 908 static void set_frame_rate(struct gspca_dev *gspca_dev)
 909 {
 910         struct sd *sd = (struct sd *) gspca_dev;
 911         int i;
 912         struct rate_s {
 913                 u8 fps;
 914                 u8 r11;
 915                 u8 r0d;
 916                 u8 re5;
 917         };
 918         const struct rate_s *r;
 919         static const struct rate_s rate_0[] = { /* 640x480 */
 920                 {60, 0x01, 0xc1, 0x04},
 921                 {50, 0x01, 0x41, 0x02},
 922                 {40, 0x02, 0xc1, 0x04},
 923                 {30, 0x04, 0x81, 0x02},
 924                 {15, 0x03, 0x41, 0x04},
 925         };
 926         static const struct rate_s rate_1[] = { /* 320x240 */
 927                 {125, 0x02, 0x81, 0x02},
 928                 {100, 0x02, 0xc1, 0x04},
 929                 {75, 0x03, 0xc1, 0x04},
 930                 {60, 0x04, 0xc1, 0x04},
 931                 {50, 0x02, 0x41, 0x04},
 932                 {40, 0x03, 0x41, 0x04},
 933                 {30, 0x04, 0x41, 0x04},
 934         };
 935
 936         if (sd->sensor != SENSOR_OV772x)
 937                 return;
 938         if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
 939                 r = rate_0;
 940                 i = ARRAY_SIZE(rate_0);
 941         } else {
 942                 r = rate_1;
 943                 i = ARRAY_SIZE(rate_1);
 944         }
 945         while (--i > 0) {
 946                 if (sd->frame_rate >= r->fps)
 947                         break;
 948                 r++;
 949         }
 950
 951         sccb_reg_write(gspca_dev, 0x11, r->r11);
 952         sccb_reg_write(gspca_dev, 0x0d, r->r0d);
 953         ov534_reg_write(gspca_dev, 0xe5, r->re5);
 954
 955         PDEBUG(D_PROBE, "frame_rate: %d", r->fps);
 956 }
 957
 958 static void setbrightness(struct gspca_dev *gspca_dev)
 959 {
 960         struct sd *sd = (struct sd *) gspca_dev;
 961         int val;
 962
 963         val = sd->ctrls[BRIGHTNESS].val;
 964         if (sd->sensor == SENSOR_OV767x) {
 965                 if (val < 0)
 966                         val = 0x80 - val;
 967                 sccb_reg_write(gspca_dev, 0x55, val);   /* bright */
 968         } else {
 969                 sccb_reg_write(gspca_dev, 0x9b, val);
 970         }
 971 }
 972
 973 static void setcontrast(struct gspca_dev *gspca_dev)
 974 {
 975         struct sd *sd = (struct sd *) gspca_dev;
 976         u8 val;
 977
 978         val = sd->ctrls[CONTRAST].val;
 979         if (sd->sensor == SENSOR_OV767x)
 980                 sccb_reg_write(gspca_dev, 0x56, val);   /* contras */
 981         else
 982                 sccb_reg_write(gspca_dev, 0x9c, val);
 983 }
 984
 985 static void setgain(struct gspca_dev *gspca_dev)
 986 {
 987         struct sd *sd = (struct sd *) gspca_dev;
 988         u8 val;
 989
 990         if (sd->ctrls[AGC].val)
 991                 return;
 992
 993         val = sd->ctrls[GAIN].val;
 994         switch (val & 0x30) {
 995         case 0x00:
 996                 val &= 0x0f;
 997                 break;
 998         case 0x10:
 999                 val &= 0x0f;
1000                 val |= 0x30;
1001                 break;
1002         case 0x20:
1003                 val &= 0x0f;
1004                 val |= 0x70;
1005                 break;
1006         default:
1007 /*      case 0x30: */
1008                 val &= 0x0f;
1009                 val |= 0xf0;
1010                 break;
1011         }
1012         sccb_reg_write(gspca_dev, 0x00, val);
1013 }
1014
1015 static void setexposure(struct gspca_dev *gspca_dev)
1016 {
1017         struct sd *sd = (struct sd *) gspca_dev;
1018         u8 val;
1019
1020         if (sd->ctrls[AEC].val)
1021                 return;
1022
1023         val = sd->ctrls[EXPOSURE].val;
1024         if (sd->sensor == SENSOR_OV767x) {
1025
1026                 /* set only aec[9:2] */
1027                 sccb_reg_write(gspca_dev, 0x10, val);   /* aech */
1028         } else {
1029
1030                 /* 'val' is one byte and represents half of the exposure value
1031                  * we are going to set into registers, a two bytes value:
1032                  *
1033                  *    MSB: ((u16) val << 1) >> 8   == val >> 7
1034                  *    LSB: ((u16) val << 1) & 0xff == val << 1
1035                  */
1036                 sccb_reg_write(gspca_dev, 0x08, val >> 7);
1037                 sccb_reg_write(gspca_dev, 0x10, val << 1);
1038         }
1039 }
1040
1041 static void setagc(struct gspca_dev *gspca_dev)
1042 {
1043         struct sd *sd = (struct sd *) gspca_dev;
1044
1045         if (sd->ctrls[AGC].val) {
1046                 sccb_reg_write(gspca_dev, 0x13,
1047                                 sccb_reg_read(gspca_dev, 0x13) | 0x04);
1048                 sccb_reg_write(gspca_dev, 0x64,
1049                                 sccb_reg_read(gspca_dev, 0x64) | 0x03);
1050         } else {
1051                 sccb_reg_write(gspca_dev, 0x13,
1052                                 sccb_reg_read(gspca_dev, 0x13) & ~0x04);
1053                 sccb_reg_write(gspca_dev, 0x64,
1054                                 sccb_reg_read(gspca_dev, 0x64) & ~0x03);
1055
1056                 setgain(gspca_dev);
1057         }
1058 }
1059
1060 static void setawb(struct gspca_dev *gspca_dev)
1061 {
1062         struct sd *sd = (struct sd *) gspca_dev;
1063
1064         if (sd->ctrls[AWB].val) {
1065                 sccb_reg_write(gspca_dev, 0x13,
1066                                 sccb_reg_read(gspca_dev, 0x13) | 0x02);
1067                 if (sd->sensor == SENSOR_OV772x)
1068                         sccb_reg_write(gspca_dev, 0x63,
1069                                 sccb_reg_read(gspca_dev, 0x63) | 0xc0);
1070         } else {
1071                 sccb_reg_write(gspca_dev, 0x13,
1072                                 sccb_reg_read(gspca_dev, 0x13) & ~0x02);
1073                 if (sd->sensor == SENSOR_OV772x)
1074                         sccb_reg_write(gspca_dev, 0x63,
1075                                 sccb_reg_read(gspca_dev, 0x63) & ~0xc0);
1076         }
1077 }
1078
1079 static void setaec(struct gspca_dev *gspca_dev)
1080 {
1081         struct sd *sd = (struct sd *) gspca_dev;
1082         u8 data;
1083
1084         data = sd->sensor == SENSOR_OV767x ?
1085                         0x05 :          /* agc + aec */
1086                         0x01;           /* agc */
1087         if (sd->ctrls[AEC].val)
1088                 sccb_reg_write(gspca_dev, 0x13,
1089                                 sccb_reg_read(gspca_dev, 0x13) | data);
1090         else {
1091                 sccb_reg_write(gspca_dev, 0x13,
1092                                 sccb_reg_read(gspca_dev, 0x13) & ~data);
1093                 if (sd->sensor == SENSOR_OV767x)
1094                         sd->ctrls[EXPOSURE].val =
1095                                 sccb_reg_read(gspca_dev, 10);   /* aech */
1096                 else
1097                         setexposure(gspca_dev);
1098         }
1099 }
1100
1101 static void setsharpness(struct gspca_dev *gspca_dev)
1102 {
1103         struct sd *sd = (struct sd *) gspca_dev;
1104         u8 val;
1105
1106         val = sd->ctrls[SHARPNESS].val;
1107         sccb_reg_write(gspca_dev, 0x91, val);   /* Auto de-noise threshold */
1108         sccb_reg_write(gspca_dev, 0x8e, val);   /* De-noise threshold */
1109 }
1110
1111 static void sethvflip(struct gspca_dev *gspca_dev)
1112 {
1113         struct sd *sd = (struct sd *) gspca_dev;
1114         u8 val;
1115
1116         if (sd->sensor == SENSOR_OV767x) {
1117                 val = sccb_reg_read(gspca_dev, 0x1e);   /* mvfp */
1118                 val &= ~0x30;
1119                 if (sd->ctrls[HFLIP].val)
1120                         val |= 0x20;
1121                 if (sd->ctrls[VFLIP].val)
1122                         val |= 0x10;
1123                 sccb_reg_write(gspca_dev, 0x1e, val);
1124         } else {
1125                 val = sccb_reg_read(gspca_dev, 0x0c);
1126                 val &= ~0xc0;
1127                 if (sd->ctrls[HFLIP].val == 0)
1128                         val |= 0x40;
1129                 if (sd->ctrls[VFLIP].val == 0)
1130                         val |= 0x80;
1131                 sccb_reg_write(gspca_dev, 0x0c, val);
1132         }
1133 }
1134
1135 static void setcolors(struct gspca_dev *gspca_dev)
1136 {
1137         struct sd *sd = (struct sd *) gspca_dev;
1138         u8 val;
1139         int i;
1140         static u8 color_tb[][6] = {
1141                 {0x42, 0x42, 0x00, 0x11, 0x30, 0x41},
1142                 {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52},
1143                 {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66},
1144                 {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80},
1145                 {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a},
1146                 {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8},
1147                 {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd},
1148         };
1149
1150         val = sd->ctrls[COLORS].val;
1151         for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++)
1152                 sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]);
1153 }
1154
1155 static void setlightfreq(struct gspca_dev *gspca_dev)
1156 {
1157         struct sd *sd = (struct sd *) gspca_dev;
1158         u8 val;
1159
1160         val = sd->ctrls[LIGHTFREQ].val ? 0x9e : 0x00;
1161         if (sd->sensor == SENSOR_OV767x) {
1162                 sccb_reg_write(gspca_dev, 0x2a, 0x00);
1163                 if (val)
1164                         val = 0x9d;     /* insert dummy to 25fps for 50Hz */
1165         }
1166         sccb_reg_write(gspca_dev, 0x2b, val);
1167 }
1168
1169
1170 /* this function is called at probe time */
1171 static int sd_config(struct gspca_dev *gspca_dev,
1172                      const struct usb_device_id *id)
1173 {
1174         struct sd *sd = (struct sd *) gspca_dev;
1175         struct cam *cam;
1176
1177         cam = &gspca_dev->cam;
1178
1179         cam->ctrls = sd->ctrls;
1180
1181         /* the auto white balance control works only when auto gain is set */
1182         if (sd_ctrls[AGC].qctrl.default_value == 0)
1183                 gspca_dev->ctrl_inac |= (1 << AWB);
1184
1185         cam->cam_mode = ov772x_mode;
1186         cam->nmodes = ARRAY_SIZE(ov772x_mode);
1187
1188         sd->frame_rate = 30;
1189
1190         return 0;
1191 }
1192
1193 /* this function is called at probe and resume time */
1194 static int sd_init(struct gspca_dev *gspca_dev)
1195 {
1196         struct sd *sd = (struct sd *) gspca_dev;
1197         u16 sensor_id;
1198         static const struct reg_array bridge_init[NSENSORS] = {
1199         [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)},
1200         [SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)},
1201         };
1202         static const struct reg_array sensor_init[NSENSORS] = {
1203         [SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)},
1204         [SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)},
1205         };
1206
1207         /* reset bridge */
1208         ov534_reg_write(gspca_dev, 0xe7, 0x3a);
1209         ov534_reg_write(gspca_dev, 0xe0, 0x08);
1210         msleep(100);
1211
1212         /* initialize the sensor address */
1213         ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
1214
1215         /* reset sensor */
1216         sccb_reg_write(gspca_dev, 0x12, 0x80);
1217         msleep(10);
1218
1219         /* probe the sensor */
1220         sccb_reg_read(gspca_dev, 0x0a);
1221         sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
1222         sccb_reg_read(gspca_dev, 0x0b);
1223         sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
1224         PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
1225
1226         if ((sensor_id & 0xfff0) == 0x7670) {
1227                 sd->sensor = SENSOR_OV767x;
1228                 gspca_dev->ctrl_dis = (1 << GAIN) |
1229                                         (1 << AGC) |
1230                                         (1 << SHARPNESS);       /* auto */
1231                 sd->ctrls[BRIGHTNESS].min = -127;
1232                 sd->ctrls[BRIGHTNESS].max = 127;
1233                 sd->ctrls[BRIGHTNESS].def = 0;
1234                 sd->ctrls[CONTRAST].max = 0x80;
1235                 sd->ctrls[CONTRAST].def = 0x40;
1236                 sd->ctrls[EXPOSURE].min = 0x08;
1237                 sd->ctrls[EXPOSURE].max = 0x60;
1238                 sd->ctrls[EXPOSURE].def = 0x13;
1239                 sd->ctrls[SHARPNESS].max = 9;
1240                 sd->ctrls[SHARPNESS].def = 4;
1241                 sd->ctrls[HFLIP].def = 1;
1242                 gspca_dev->cam.cam_mode = ov767x_mode;
1243                 gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode);
1244         } else {
1245                 sd->sensor = SENSOR_OV772x;
1246                 gspca_dev->ctrl_dis = (1 << COLORS);
1247                 gspca_dev->cam.bulk = 1;
1248                 gspca_dev->cam.bulk_size = 16384;
1249                 gspca_dev->cam.bulk_nurbs = 2;
1250                 gspca_dev->cam.mode_framerates = ov772x_framerates;
1251         }
1252
1253         /* initialize */
1254         reg_w_array(gspca_dev, bridge_init[sd->sensor].val,
1255                         bridge_init[sd->sensor].len);
1256         ov534_set_led(gspca_dev, 1);
1257         sccb_w_array(gspca_dev, sensor_init[sd->sensor].val,
1258                         sensor_init[sd->sensor].len);
1259         if (sd->sensor == SENSOR_OV767x)
1260                 sd_start(gspca_dev);
1261         sd_stopN(gspca_dev);
1262 /*      set_frame_rate(gspca_dev);      */
1263
1264         return gspca_dev->usb_err;
1265 }
1266
1267 static int sd_start(struct gspca_dev *gspca_dev)
1268 {
1269         struct sd *sd = (struct sd *) gspca_dev;
1270         int mode;
1271         static const struct reg_array bridge_start[NSENSORS][2] = {
1272         [SENSOR_OV767x] = {{bridge_start_qvga_767x,
1273                                         ARRAY_SIZE(bridge_start_qvga_767x)},
1274                         {bridge_start_vga_767x,
1275                                         ARRAY_SIZE(bridge_start_vga_767x)}},
1276         [SENSOR_OV772x] = {{bridge_start_qvga_772x,
1277                                         ARRAY_SIZE(bridge_start_qvga_772x)},
1278                         {bridge_start_vga_772x,
1279                                         ARRAY_SIZE(bridge_start_vga_772x)}},
1280         };
1281         static const struct reg_array sensor_start[NSENSORS][2] = {
1282         [SENSOR_OV767x] = {{sensor_start_qvga_767x,
1283                                         ARRAY_SIZE(sensor_start_qvga_767x)},
1284                         {sensor_start_vga_767x,
1285                                         ARRAY_SIZE(sensor_start_vga_767x)}},
1286         [SENSOR_OV772x] = {{sensor_start_qvga_772x,
1287                                         ARRAY_SIZE(sensor_start_qvga_772x)},
1288                         {sensor_start_vga_772x,
1289                                         ARRAY_SIZE(sensor_start_vga_772x)}},
1290         };
1291
1292         /* (from ms-win trace) */
1293         if (sd->sensor == SENSOR_OV767x)
1294                 sccb_reg_write(gspca_dev, 0x1e, 0x04);
1295                                         /* black sun enable ? */
1296
1297         mode = gspca_dev->curr_mode;    /* 0: 320x240, 1: 640x480 */
1298         reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val,
1299                                 bridge_start[sd->sensor][mode].len);
1300         sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val,
1301                                 sensor_start[sd->sensor][mode].len);
1302
1303         set_frame_rate(gspca_dev);
1304
1305         if (!(gspca_dev->ctrl_dis & (1 << AGC)))
1306                 setagc(gspca_dev);
1307         setawb(gspca_dev);
1308         setaec(gspca_dev);
1309         if (!(gspca_dev->ctrl_dis & (1 << GAIN)))
1310                 setgain(gspca_dev);
1311         setexposure(gspca_dev);
1312         setbrightness(gspca_dev);
1313         setcontrast(gspca_dev);
1314         if (!(gspca_dev->ctrl_dis & (1 << SHARPNESS)))
1315                 setsharpness(gspca_dev);
1316         sethvflip(gspca_dev);
1317         if (!(gspca_dev->ctrl_dis & (1 << COLORS)))
1318                 setcolors(gspca_dev);
1319         setlightfreq(gspca_dev);
1320
1321         ov534_set_led(gspca_dev, 1);
1322         ov534_reg_write(gspca_dev, 0xe0, 0x00);
1323         return gspca_dev->usb_err;
1324 }
1325
1326 static void sd_stopN(struct gspca_dev *gspca_dev)
1327 {
1328         ov534_reg_write(gspca_dev, 0xe0, 0x09);
1329         ov534_set_led(gspca_dev, 0);
1330 }
1331
1332 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
1333 #define UVC_STREAM_EOH  (1 << 7)
1334 #define UVC_STREAM_ERR  (1 << 6)
1335 #define UVC_STREAM_STI  (1 << 5)
1336 #define UVC_STREAM_RES  (1 << 4)
1337 #define UVC_STREAM_SCR  (1 << 3)
1338 #define UVC_STREAM_PTS  (1 << 2)
1339 #define UVC_STREAM_EOF  (1 << 1)
1340 #define UVC_STREAM_FID  (1 << 0)
1341
1342 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
1343                         u8 *data, int len)
1344 {
1345         struct sd *sd = (struct sd *) gspca_dev;
1346         __u32 this_pts;
1347         u16 this_fid;
1348         int remaining_len = len;
1349         int payload_len;
1350
1351         payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
1352         do {
1353                 len = min(remaining_len, payload_len);
1354
1355                 /* Payloads are prefixed with a UVC-style header.  We
1356                    consider a frame to start when the FID toggles, or the PTS
1357                    changes.  A frame ends when EOF is set, and we've received
1358                    the correct number of bytes. */
1359
1360                 /* Verify UVC header.  Header length is always 12 */
1361                 if (data[0] != 12 || len < 12) {
1362                         PDEBUG(D_PACK, "bad header");
1363                         goto discard;
1364                 }
1365
1366                 /* Check errors */
1367                 if (data[1] & UVC_STREAM_ERR) {
1368                         PDEBUG(D_PACK, "payload error");
1369                         goto discard;
1370                 }
1371
1372                 /* Extract PTS and FID */
1373                 if (!(data[1] & UVC_STREAM_PTS)) {
1374                         PDEBUG(D_PACK, "PTS not present");
1375                         goto discard;
1376                 }
1377                 this_pts = (data[5] << 24) | (data[4] << 16)
1378                                                 | (data[3] << 8) | data[2];
1379                 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
1380
1381                 /* If PTS or FID has changed, start a new frame. */
1382                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
1383                         if (gspca_dev->last_packet_type == INTER_PACKET)
1384                                 gspca_frame_add(gspca_dev, LAST_PACKET,
1385                                                 NULL, 0);
1386                         sd->last_pts = this_pts;
1387                         sd->last_fid = this_fid;
1388                         gspca_frame_add(gspca_dev, FIRST_PACKET,
1389                                         data + 12, len - 12);
1390                 /* If this packet is marked as EOF, end the frame */
1391                 } else if (data[1] & UVC_STREAM_EOF) {
1392                         sd->last_pts = 0;
1393                         if (gspca_dev->pixfmt == V4L2_PIX_FMT_YUYV
1394                          && gspca_dev->image_len + len - 12 !=
1395                                    gspca_dev->width * gspca_dev->height * 2) {
1396                                 PDEBUG(D_PACK, "wrong sized frame");
1397                                 goto discard;
1398                         }
1399                         gspca_frame_add(gspca_dev, LAST_PACKET,
1400                                         data + 12, len - 12);
1401                 } else {
1402
1403                         /* Add the data from this payload */
1404                         gspca_frame_add(gspca_dev, INTER_PACKET,
1405                                         data + 12, len - 12);
1406                 }
1407
1408                 /* Done this payload */
1409                 goto scan_next;
1410
1411 discard:
1412                 /* Discard data until a new frame starts. */
1413                 gspca_dev->last_packet_type = DISCARD_PACKET;
1414
1415 scan_next:
1416                 remaining_len -= len;
1417                 data += len;
1418         } while (remaining_len > 0);
1419 }
1420
1421 static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val)
1422 {
1423         struct sd *sd = (struct sd *) gspca_dev;
1424
1425         sd->ctrls[AGC].val = val;
1426
1427         /* the auto white balance control works only
1428          * when auto gain is set */
1429         if (val) {
1430                 gspca_dev->ctrl_inac &= ~(1 << AWB);
1431         } else {
1432                 gspca_dev->ctrl_inac |= (1 << AWB);
1433                 if (sd->ctrls[AWB].val) {
1434                         sd->ctrls[AWB].val = 0;
1435                         if (gspca_dev->streaming)
1436                                 setawb(gspca_dev);
1437                 }
1438         }
1439         if (gspca_dev->streaming)
1440                 setagc(gspca_dev);
1441         return gspca_dev->usb_err;
1442 }
1443
1444 static int sd_querymenu(struct gspca_dev *gspca_dev,
1445                 struct v4l2_querymenu *menu)
1446 {
1447         switch (menu->id) {
1448         case V4L2_CID_POWER_LINE_FREQUENCY:
1449                 switch (menu->index) {
1450                 case 0:         /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */
1451                         strcpy((char *) menu->name, "Disabled");
1452                         return 0;
1453                 case 1:         /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */
1454                         strcpy((char *) menu->name, "50 Hz");
1455                         return 0;
1456                 }
1457                 break;
1458         }
1459
1460         return -EINVAL;
1461 }
1462
1463 /* get stream parameters (framerate) */
1464 static void sd_get_streamparm(struct gspca_dev *gspca_dev,
1465                              struct v4l2_streamparm *parm)
1466 {
1467         struct v4l2_captureparm *cp = &parm->parm.capture;
1468         struct v4l2_fract *tpf = &cp->timeperframe;
1469         struct sd *sd = (struct sd *) gspca_dev;
1470
1471         cp->capability |= V4L2_CAP_TIMEPERFRAME;
1472         tpf->numerator = 1;
1473         tpf->denominator = sd->frame_rate;
1474 }
1475
1476 /* set stream parameters (framerate) */
1477 static void sd_set_streamparm(struct gspca_dev *gspca_dev,
1478                              struct v4l2_streamparm *parm)
1479 {
1480         struct v4l2_captureparm *cp = &parm->parm.capture;
1481         struct v4l2_fract *tpf = &cp->timeperframe;
1482         struct sd *sd = (struct sd *) gspca_dev;
1483
1484         /* Set requested framerate */
1485         sd->frame_rate = tpf->denominator / tpf->numerator;
1486         if (gspca_dev->streaming)
1487                 set_frame_rate(gspca_dev);
1488
1489         /* Return the actual framerate */
1490         tpf->numerator = 1;
1491         tpf->denominator = sd->frame_rate;
1492 }
1493
1494 /* sub-driver description */
1495 static const struct sd_desc sd_desc = {
1496         .name     = MODULE_NAME,
1497         .ctrls    = sd_ctrls,
1498         .nctrls   = ARRAY_SIZE(sd_ctrls),
1499         .config   = sd_config,
1500         .init     = sd_init,
1501         .start    = sd_start,
1502         .stopN    = sd_stopN,
1503         .pkt_scan = sd_pkt_scan,
1504         .querymenu = sd_querymenu,
1505         .get_streamparm = sd_get_streamparm,
1506         .set_streamparm = sd_set_streamparm,
1507 };
1508
1509 /* -- module initialisation -- */
1510 static const struct usb_device_id device_table[] = {
1511         {USB_DEVICE(0x1415, 0x2000)},
1512         {USB_DEVICE(0x06f8, 0x3002)},
1513         {}
1514 };
1515
1516 MODULE_DEVICE_TABLE(usb, device_table);
1517
1518 /* -- device connect -- */
1519 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1520 {
1521         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1522                                 THIS_MODULE);
1523 }
1524
1525 static struct usb_driver sd_driver = {
1526         .name       = MODULE_NAME,
1527         .id_table   = device_table,
1528         .probe      = sd_probe,
1529         .disconnect = gspca_disconnect,
1530 #ifdef CONFIG_PM
1531         .suspend    = gspca_suspend,
1532         .resume     = gspca_resume,
1533 #endif
1534 };
1535
1536 module_usb_driver(sd_driver);