git.oblomov.eu Git - linux-2.6/blob - drivers/media/video/gspca/ov534.c

   1 /*
   2  * ov534 gspca driver
   3  * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it>
   4  * Copyright (C) 2008 Jim Paris <jim@jtan.com>
   5  * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr
   6  *
   7  * Based on a prototype written by Mark Ferrell <majortrips@gmail.com>
   8  * USB protocol reverse engineered by Jim Paris <jim@jtan.com>
   9  * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  24  */
  25
  26 #define MODULE_NAME "ov534"
  27
  28 #include "gspca.h"
  29
  30 #define OV534_REG_ADDRESS       0xf1    /* sensor address */
  31 #define OV534_REG_SUBADDR       0xf2
  32 #define OV534_REG_WRITE         0xf3
  33 #define OV534_REG_READ          0xf4
  34 #define OV534_REG_OPERATION     0xf5
  35 #define OV534_REG_STATUS        0xf6
  36
  37 #define OV534_OP_WRITE_3        0x37
  38 #define OV534_OP_WRITE_2        0x33
  39 #define OV534_OP_READ_2         0xf9
  40
  41 #define CTRL_TIMEOUT 500
  42
  43 MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
  44 MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
  45 MODULE_LICENSE("GPL");
  46
  47 /* specific webcam descriptor */
  48 struct sd {
  49         struct gspca_dev gspca_dev;     /* !! must be the first item */
  50         __u32 last_pts;
  51         u16 last_fid;
  52         u8 frame_rate;
  53
  54         u8 sensor;
  55 #define SENSOR_OV772X 0
  56 #define SENSOR_OV965X 1
  57 };
  58
  59 /* V4L2 controls supported by the driver */
  60 static struct ctrl sd_ctrls[] = {
  61 };
  62
  63 static const struct v4l2_pix_format vga_yuyv_mode[] = {
  64         {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
  65          .bytesperline = 640 * 2,
  66          .sizeimage = 640 * 480 * 2,
  67          .colorspace = V4L2_COLORSPACE_SRGB,
  68          .priv = 0},
  69 };
  70
  71 static const struct v4l2_pix_format vga_jpeg_mode[] = {
  72         {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  73          .bytesperline = 320,
  74          .sizeimage = 320 * 240 * 3 / 8 + 590,
  75          .colorspace = V4L2_COLORSPACE_JPEG,
  76          .priv = 1},
  77         {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
  78          .bytesperline = 640,
  79          .sizeimage = 640 * 480 * 3 / 8 + 590,
  80          .colorspace = V4L2_COLORSPACE_JPEG,
  81          .priv = 0},
  82 };
  83
  84 static const u8 bridge_init_ov722x[][2] = {
  85         { 0xc2, 0x0c },
  86         { 0x88, 0xf8 },
  87         { 0xc3, 0x69 },
  88         { 0x89, 0xff },
  89         { 0x76, 0x03 },
  90         { 0x92, 0x01 },
  91         { 0x93, 0x18 },
  92         { 0x94, 0x10 },
  93         { 0x95, 0x10 },
  94         { 0xe2, 0x00 },
  95         { 0xe7, 0x3e },
  96
  97         { 0x96, 0x00 },
  98
  99         { 0x97, 0x20 },
 100         { 0x97, 0x20 },
 101         { 0x97, 0x20 },
 102         { 0x97, 0x0a },
 103         { 0x97, 0x3f },
 104         { 0x97, 0x4a },
 105         { 0x97, 0x20 },
 106         { 0x97, 0x15 },
 107         { 0x97, 0x0b },
 108
 109         { 0x8e, 0x40 },
 110         { 0x1f, 0x81 },
 111         { 0x34, 0x05 },
 112         { 0xe3, 0x04 },
 113         { 0x88, 0x00 },
 114         { 0x89, 0x00 },
 115         { 0x76, 0x00 },
 116         { 0xe7, 0x2e },
 117         { 0x31, 0xf9 },
 118         { 0x25, 0x42 },
 119         { 0x21, 0xf0 },
 120
 121         { 0x1c, 0x00 },
 122         { 0x1d, 0x40 },
 123         { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
 124         { 0x1d, 0x00 }, /* payload size */
 125         { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
 126         { 0x1d, 0x58 }, /* frame size */
 127         { 0x1d, 0x00 }, /* frame size */
 128
 129         { 0x1c, 0x0a },
 130         { 0x1d, 0x08 }, /* turn on UVC header */
 131         { 0x1d, 0x0e }, /* .. */
 132
 133         { 0x8d, 0x1c },
 134         { 0x8e, 0x80 },
 135         { 0xe5, 0x04 },
 136
 137         { 0xc0, 0x50 },
 138         { 0xc1, 0x3c },
 139         { 0xc2, 0x0c },
 140 };
 141
 142 static const u8 sensor_init_ov722x[][2] = {
 143         { 0x12, 0x80 },
 144         { 0x11, 0x01 },
 145
 146         { 0x3d, 0x03 },
 147         { 0x17, 0x26 },
 148         { 0x18, 0xa0 },
 149         { 0x19, 0x07 },
 150         { 0x1a, 0xf0 },
 151         { 0x32, 0x00 },
 152         { 0x29, 0xa0 },
 153         { 0x2c, 0xf0 },
 154         { 0x65, 0x20 },
 155         { 0x11, 0x01 },
 156         { 0x42, 0x7f },
 157         { 0x63, 0xe0 },
 158         { 0x64, 0xff },
 159         { 0x66, 0x00 },
 160         { 0x13, 0xf0 },
 161         { 0x0d, 0x41 },
 162         { 0x0f, 0xc5 },
 163         { 0x14, 0x11 },
 164
 165         { 0x22, 0x7f },
 166         { 0x23, 0x03 },
 167         { 0x24, 0x40 },
 168         { 0x25, 0x30 },
 169         { 0x26, 0xa1 },
 170         { 0x2a, 0x00 },
 171         { 0x2b, 0x00 },
 172         { 0x6b, 0xaa },
 173         { 0x13, 0xff },
 174
 175         { 0x90, 0x05 },
 176         { 0x91, 0x01 },
 177         { 0x92, 0x03 },
 178         { 0x93, 0x00 },
 179         { 0x94, 0x60 },
 180         { 0x95, 0x3c },
 181         { 0x96, 0x24 },
 182         { 0x97, 0x1e },
 183         { 0x98, 0x62 },
 184         { 0x99, 0x80 },
 185         { 0x9a, 0x1e },
 186         { 0x9b, 0x08 },
 187         { 0x9c, 0x20 },
 188         { 0x9e, 0x81 },
 189
 190         { 0xa6, 0x04 },
 191         { 0x7e, 0x0c },
 192         { 0x7f, 0x16 },
 193         { 0x80, 0x2a },
 194         { 0x81, 0x4e },
 195         { 0x82, 0x61 },
 196         { 0x83, 0x6f },
 197         { 0x84, 0x7b },
 198         { 0x85, 0x86 },
 199         { 0x86, 0x8e },
 200         { 0x87, 0x97 },
 201         { 0x88, 0xa4 },
 202         { 0x89, 0xaf },
 203         { 0x8a, 0xc5 },
 204         { 0x8b, 0xd7 },
 205         { 0x8c, 0xe8 },
 206         { 0x8d, 0x20 },
 207
 208         { 0x0c, 0x90 },
 209
 210         { 0x2b, 0x00 },
 211         { 0x22, 0x7f },
 212         { 0x23, 0x03 },
 213         { 0x11, 0x01 },
 214         { 0x0c, 0xd0 },
 215         { 0x64, 0xff },
 216         { 0x0d, 0x41 },
 217
 218         { 0x14, 0x41 },
 219         { 0x0e, 0xcd },
 220         { 0xac, 0xbf },
 221         { 0x8e, 0x00 },
 222         { 0x0c, 0xd0 }
 223 };
 224
 225 static const u8 bridge_init_ov965x[][2] = {
 226         {0x88, 0xf8},
 227         {0x89, 0xff},
 228         {0x76, 0x03},
 229         {0x92, 0x03},
 230         {0x95, 0x10},
 231         {0xe2, 0x00},
 232         {0xe7, 0x3e},
 233         {0x8d, 0x1c},
 234         {0x8e, 0x00},
 235         {0x8f, 0x00},
 236         {0x1f, 0x00},
 237         {0xc3, 0xf9},
 238         {0x89, 0xff},
 239         {0x88, 0xf8},
 240         {0x76, 0x03},
 241         {0x92, 0x01},
 242         {0x93, 0x18},
 243         {0x1c, 0x0a},
 244         {0x1d, 0x48},
 245         {0xc0, 0x50},
 246         {0xc1, 0x3c},
 247         {0x34, 0x05},
 248         {0xc2, 0x0c},
 249         {0xc3, 0xf9},
 250         {0x34, 0x05},
 251         {0xe7, 0x2e},
 252         {0x31, 0xf9},
 253         {0x35, 0x02},
 254         {0xd9, 0x10},
 255         {0x25, 0x42},
 256         {0x94, 0x11},
 257 };
 258
 259 static const u8 sensor_init_ov965x[][2] = {
 260         {0x12, 0x80},   /* com7 - SSCB reset */
 261         {0x00, 0x00},   /* gain */
 262         {0x01, 0x80},   /* blue */
 263         {0x02, 0x80},   /* red */
 264         {0x03, 0x1b},   /* vref */
 265         {0x04, 0x03},   /* com1 - exposure low bits */
 266         {0x0b, 0x57},   /* ver */
 267         {0x0e, 0x61},   /* com5 */
 268         {0x0f, 0x42},   /* com6 */
 269         {0x11, 0x00},   /* clkrc */
 270         {0x12, 0x02},   /* com7 - 15fps VGA YUYV */
 271         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 272         {0x14, 0x28},   /* com9 */
 273         {0x16, 0x24},   /* reg16 */
 274         {0x17, 0x1d},   /* hstart*/
 275         {0x18, 0xbd},   /* hstop */
 276         {0x19, 0x01},   /* vstrt */
 277         {0x1a, 0x81},   /* vstop*/
 278         {0x1e, 0x04},   /* mvfp */
 279         {0x24, 0x3c},   /* aew */
 280         {0x25, 0x36},   /* aeb */
 281         {0x26, 0x71},   /* vpt */
 282         {0x27, 0x08},   /* bbias */
 283         {0x28, 0x08},   /* gbbias */
 284         {0x29, 0x15},   /* gr com */
 285         {0x2a, 0x00},   /* exhch */
 286         {0x2b, 0x00},   /* exhcl */
 287         {0x2c, 0x08},   /* rbias */
 288         {0x32, 0xff},   /* href */
 289         {0x33, 0x00},   /* chlf */
 290         {0x34, 0x3f},   /* aref1 */
 291         {0x35, 0x00},   /* aref2 */
 292         {0x36, 0xf8},   /* aref3 */
 293         {0x38, 0x72},   /* adc2 */
 294         {0x39, 0x57},   /* aref4 */
 295         {0x3a, 0x80},   /* tslb - yuyv */
 296         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 297         {0x3d, 0x99},   /* com13 */
 298         {0x3f, 0xc1},   /* edge */
 299         {0x40, 0xc0},   /* com15 */
 300         {0x41, 0x40},   /* com16 */
 301         {0x42, 0xc0},   /* com17 */
 302         {0x43, 0x0a},   /* rsvd */
 303         {0x44, 0xf0},
 304         {0x45, 0x46},
 305         {0x46, 0x62},
 306         {0x47, 0x2a},
 307         {0x48, 0x3c},
 308         {0x4a, 0xfc},
 309         {0x4b, 0xfc},
 310         {0x4c, 0x7f},
 311         {0x4d, 0x7f},
 312         {0x4e, 0x7f},
 313         {0x4f, 0x98},   /* matrix */
 314         {0x50, 0x98},
 315         {0x51, 0x00},
 316         {0x52, 0x28},
 317         {0x53, 0x70},
 318         {0x54, 0x98},
 319         {0x58, 0x1a},   /* matrix coef sign */
 320         {0x59, 0x85},   /* AWB control */
 321         {0x5a, 0xa9},
 322         {0x5b, 0x64},
 323         {0x5c, 0x84},
 324         {0x5d, 0x53},
 325         {0x5e, 0x0e},
 326         {0x5f, 0xf0},   /* AWB blue limit */
 327         {0x60, 0xf0},   /* AWB red limit */
 328         {0x61, 0xf0},   /* AWB green limit */
 329         {0x62, 0x00},   /* lcc1 */
 330         {0x63, 0x00},   /* lcc2 */
 331         {0x64, 0x02},   /* lcc3 */
 332         {0x65, 0x16},   /* lcc4 */
 333         {0x66, 0x01},   /* lcc5 */
 334         {0x69, 0x02},   /* hv */
 335         {0x6b, 0x5a},   /* dbvl */
 336         {0x6c, 0x04},
 337         {0x6d, 0x55},
 338         {0x6e, 0x00},
 339         {0x6f, 0x9d},
 340         {0x70, 0x21},   /* dnsth */
 341         {0x71, 0x78},
 342         {0x72, 0x00},   /* poidx */
 343         {0x73, 0x01},   /* pckdv */
 344         {0x74, 0x3a},   /* xindx */
 345         {0x75, 0x35},   /* yindx */
 346         {0x76, 0x01},
 347         {0x77, 0x02},
 348         {0x7a, 0x12},   /* gamma curve */
 349         {0x7b, 0x08},
 350         {0x7c, 0x16},
 351         {0x7d, 0x30},
 352         {0x7e, 0x5e},
 353         {0x7f, 0x72},
 354         {0x80, 0x82},
 355         {0x81, 0x8e},
 356         {0x82, 0x9a},
 357         {0x83, 0xa4},
 358         {0x84, 0xac},
 359         {0x85, 0xb8},
 360         {0x86, 0xc3},
 361         {0x87, 0xd6},
 362         {0x88, 0xe6},
 363         {0x89, 0xf2},
 364         {0x8a, 0x03},
 365         {0x8c, 0x89},   /* com19 */
 366         {0x14, 0x28},   /* com9 */
 367         {0x90, 0x7d},
 368         {0x91, 0x7b},
 369         {0x9d, 0x03},   /* lcc6 */
 370         {0x9e, 0x04},   /* lcc7 */
 371         {0x9f, 0x7a},
 372         {0xa0, 0x79},
 373         {0xa1, 0x40},   /* aechm */
 374         {0xa4, 0x50},   /* com21 */
 375         {0xa5, 0x68},   /* com26 */
 376         {0xa6, 0x4a},   /* AWB green */
 377         {0xa8, 0xc1},   /* refa8 */
 378         {0xa9, 0xef},   /* refa9 */
 379         {0xaa, 0x92},
 380         {0xab, 0x04},
 381         {0xac, 0x80},   /* black level control */
 382         {0xad, 0x80},
 383         {0xae, 0x80},
 384         {0xaf, 0x80},
 385         {0xb2, 0xf2},
 386         {0xb3, 0x20},
 387         {0xb4, 0x20},   /* ctrlb4 */
 388         {0xb5, 0x00},
 389         {0xb6, 0xaf},
 390         {0xbb, 0xae},
 391         {0xbc, 0x7f},   /* ADC channel offsets */
 392         {0xdb, 0x7f},
 393         {0xbe, 0x7f},
 394         {0xbf, 0x7f},
 395         {0xc0, 0xe2},
 396         {0xc1, 0xc0},
 397         {0xc2, 0x01},
 398         {0xc3, 0x4e},
 399         {0xc6, 0x85},
 400         {0xc7, 0x80},   /* com24 */
 401         {0xc9, 0xe0},
 402         {0xca, 0xe8},
 403         {0xcb, 0xf0},
 404         {0xcc, 0xd8},
 405         {0xcd, 0xf1},
 406         {0x4f, 0x98},
 407         {0x50, 0x98},
 408         {0x51, 0x00},
 409         {0x52, 0x28},
 410         {0x53, 0x70},
 411         {0x54, 0x98},
 412         {0x58, 0x1a},
 413         {0xff, 0x41},   /* read 41, write ff 00 */
 414         {0x41, 0x40},   /* com16 */
 415         {0xc5, 0x03},   /* 60 Hz banding filter */
 416         {0x6a, 0x02},   /* 50 Hz banding filter */
 417
 418         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
 419         {0x36, 0xfa},   /* aref3 */
 420         {0x69, 0x0a},   /* hv */
 421         {0x8c, 0x89},   /* com22 */
 422         {0x14, 0x28},   /* com9 */
 423         {0x3e, 0x0c},
 424         {0x41, 0x40},   /* com16 */
 425         {0x72, 0x00},
 426         {0x73, 0x00},
 427         {0x74, 0x3a},
 428         {0x75, 0x35},
 429         {0x76, 0x01},
 430         {0xc7, 0x80},
 431         {0x03, 0x12},   /* vref */
 432         {0x17, 0x16},   /* hstart */
 433         {0x18, 0x02},   /* hstop */
 434         {0x19, 0x01},   /* vstrt */
 435         {0x1a, 0x3d},   /* vstop */
 436         {0x32, 0xff},   /* href */
 437         {0xc0, 0xaa},
 438 };
 439
 440 static const u8 bridge_init_ov965x_2[][2] = {
 441         {0x94, 0xaa},
 442         {0xf1, 0x60},
 443         {0xe5, 0x04},
 444         {0xc0, 0x50},
 445         {0xc1, 0x3c},
 446         {0x8c, 0x00},
 447         {0x8d, 0x1c},
 448         {0x34, 0x05},
 449
 450         {0xc2, 0x0c},
 451         {0xc3, 0xf9},
 452         {0xda, 0x01},
 453         {0x50, 0x00},
 454         {0x51, 0xa0},
 455         {0x52, 0x3c},
 456         {0x53, 0x00},
 457         {0x54, 0x00},
 458         {0x55, 0x00},   /* brightness */
 459         {0x57, 0x00},   /* contrast 2 */
 460         {0x5c, 0x00},
 461         {0x5a, 0xa0},
 462         {0x5b, 0x78},
 463         {0x35, 0x02},
 464         {0xd9, 0x10},
 465         {0x94, 0x11},
 466 };
 467
 468 static const u8 sensor_init_ov965x_2[][2] = {
 469         {0x3b, 0xc4},
 470         {0x1e, 0x04},   /* mvfp */
 471         {0x13, 0xe0},   /* com8 */
 472         {0x00, 0x00},   /* gain */
 473         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 474         {0x11, 0x03},   /* clkrc */
 475         {0x6b, 0x5a},   /* dblv */
 476         {0x6a, 0x05},
 477         {0xc5, 0x07},
 478         {0xa2, 0x4b},
 479         {0xa3, 0x3e},
 480         {0x2d, 0x00},
 481         {0xff, 0x42},   /* read 42, write ff 00 */
 482         {0x42, 0xc0},
 483         {0x2d, 0x00},
 484         {0xff, 0x42},   /* read 42, write ff 00 */
 485         {0x42, 0xc1},
 486         {0x3f, 0x01},
 487         {0xff, 0x42},   /* read 42, write ff 00 */
 488         {0x42, 0xc1},
 489         {0x4f, 0x98},
 490         {0x50, 0x98},
 491         {0x51, 0x00},
 492         {0x52, 0x28},
 493         {0x53, 0x70},
 494         {0x54, 0x98},
 495         {0x58, 0x1a},
 496         {0xff, 0x41},   /* read 41, write ff 00 */
 497         {0x41, 0x40},   /* com16 */
 498         {0x56, 0x40},
 499         {0x55, 0x8f},
 500         {0x10, 0x25},   /* aech - exposure high bits */
 501         {0xff, 0x13},   /* read 13, write ff 00 */
 502         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 503 };
 504
 505 static const u8 sensor_start_ov965x[][2] = {
 506         {0x12, 0x62},   /* com7 - 30fps VGA YUV */
 507         {0x36, 0xfa},   /* aref3 */
 508         {0x69, 0x0a},   /* hv */
 509         {0x8c, 0x89},   /* com22 */
 510         {0x14, 0x28},   /* com9 */
 511         {0x3e, 0x0c},   /* com14 */
 512         {0x41, 0x40},   /* com16 */
 513         {0x72, 0x00},
 514         {0x73, 0x00},
 515         {0x74, 0x3a},
 516         {0x75, 0x35},
 517         {0x76, 0x01},
 518         {0xc7, 0x80},   /* com24 */
 519         {0x03, 0x12},   /* vref */
 520         {0x17, 0x16},   /* hstart */
 521         {0x18, 0x02},   /* hstop */
 522         {0x19, 0x01},   /* vstrt */
 523         {0x1a, 0x3d},   /* vstop */
 524         {0x32, 0xff},   /* href */
 525         {0xc0, 0xaa},
 526         {}
 527 };
 528
 529 static const u8 bridge_start_ov965x[][2] = {
 530         {0x94, 0xaa},
 531         {0xf1, 0x60},
 532         {0xe5, 0x04},
 533         {0xc0, 0x50},
 534         {0xc1, 0x3c},
 535         {0x8c, 0x00},
 536         {0x8d, 0x1c},
 537         {0x34, 0x05},
 538         {}
 539 };
 540
 541 static const u8 bridge_start_ov965x_vga[][2] = {
 542         {0xc2, 0x0c},
 543         {0xc3, 0xf9},
 544         {0xda, 0x01},
 545         {0x50, 0x00},
 546         {0x51, 0xa0},
 547         {0x52, 0x3c},
 548         {0x53, 0x00},
 549         {0x54, 0x00},
 550         {0x55, 0x00},
 551         {0x57, 0x00},
 552         {0x5c, 0x00},
 553         {0x5a, 0xa0},
 554         {0x5b, 0x78},
 555         {0x35, 0x02},
 556         {0xd9, 0x10},
 557         {0x94, 0x11},
 558         {}
 559 };
 560
 561 static const u8 bridge_start_ov965x_cif[][2] = {
 562         {0xc2, 0x4c},
 563         {0xc3, 0xf9},
 564         {0xda, 0x00},
 565         {0x50, 0x00},
 566         {0x51, 0xa0},
 567         {0x52, 0x78},
 568         {0x53, 0x00},
 569         {0x54, 0x00},
 570         {0x55, 0x00},
 571         {0x57, 0x00},
 572         {0x5c, 0x00},
 573         {0x5a, 0x50},
 574         {0x5b, 0x3c},
 575         {0x35, 0x02},
 576         {0xd9, 0x10},
 577         {0x94, 0x11},
 578         {}
 579 };
 580
 581 static const u8 sensor_start_ov965x_vga[][2] = {
 582         {0x3b, 0xc4},   /* com11 - night mode 1/4 frame rate */
 583         {0x1e, 0x04},   /* mvfp */
 584         {0x13, 0xe0},   /* com8 */
 585         {0x00, 0x00},
 586         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 587         {0x11, 0x03},   /* clkrc */
 588         {0x6b, 0x5a},   /* dblv */
 589         {0x6a, 0x05},   /* 50 Hz banding filter */
 590         {0xc5, 0x07},   /* 60 Hz banding filter */
 591         {0xa2, 0x4b},   /* bd50 */
 592         {0xa3, 0x3e},   /* bd60 */
 593
 594         {0x2d, 0x00},   /* advfl */
 595         {}
 596 };
 597
 598 static const u8 sensor_start_ov965x_cif[][2] = {
 599         {0x3b, 0xe4},   /* com11 - night mode 1/4 frame rate */
 600         {0x1e, 0x04},   /* mvfp */
 601         {0x13, 0xe0},   /* com8 */
 602         {0x00, 0x00},
 603         {0x13, 0xe7},   /* com8 - everything (AGC, AWB and AEC) */
 604         {0x11, 0x01},   /* clkrc */
 605         {0x6b, 0x5a},   /* dblv */
 606         {0x6a, 0x02},   /* 50 Hz banding filter */
 607         {0xc5, 0x03},   /* 60 Hz banding filter */
 608         {0xa2, 0x96},   /* bd50 */
 609         {0xa3, 0x7d},   /* bd60 */
 610
 611         {0xff, 0x13},   /* read 13, write ff 00 */
 612         {0x13, 0xe7},
 613         {0x3a, 0x80},   /* tslb - yuyv */
 614         {}
 615 };
 616
 617 static const u8 sensor_start_ov965x_2[][2] = {
 618         {0xff, 0x42},   /* read 42, write ff 00 */
 619         {0x42, 0xc1},   /* com17 - 50 Hz filter */
 620         {}
 621 };
 622
 623
 624 static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
 625 {
 626         struct usb_device *udev = gspca_dev->dev;
 627         int ret;
 628
 629         PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
 630         gspca_dev->usb_buf[0] = val;
 631         ret = usb_control_msg(udev,
 632                               usb_sndctrlpipe(udev, 0),
 633                               0x01,
 634                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 635                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 636         if (ret < 0)
 637                 PDEBUG(D_ERR, "write failed");
 638 }
 639
 640 static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 641 {
 642         struct usb_device *udev = gspca_dev->dev;
 643         int ret;
 644
 645         ret = usb_control_msg(udev,
 646                               usb_rcvctrlpipe(udev, 0),
 647                               0x01,
 648                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 649                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 650         PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
 651         if (ret < 0)
 652                 PDEBUG(D_ERR, "read failed");
 653         return gspca_dev->usb_buf[0];
 654 }
 655
 656 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
 657  * (direction and output)? */
 658 static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
 659 {
 660         u8 data;
 661
 662         PDEBUG(D_CONF, "led status: %d", status);
 663
 664         data = ov534_reg_read(gspca_dev, 0x21);
 665         data |= 0x80;
 666         ov534_reg_write(gspca_dev, 0x21, data);
 667
 668         data = ov534_reg_read(gspca_dev, 0x23);
 669         if (status)
 670                 data |= 0x80;
 671         else
 672                 data &= ~0x80;
 673
 674         ov534_reg_write(gspca_dev, 0x23, data);
 675
 676         if (!status) {
 677                 data = ov534_reg_read(gspca_dev, 0x21);
 678                 data &= ~0x80;
 679                 ov534_reg_write(gspca_dev, 0x21, data);
 680         }
 681 }
 682
 683 static int sccb_check_status(struct gspca_dev *gspca_dev)
 684 {
 685         u8 data;
 686         int i;
 687
 688         for (i = 0; i < 5; i++) {
 689                 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
 690
 691                 switch (data) {
 692                 case 0x00:
 693                         return 1;
 694                 case 0x04:
 695                         return 0;
 696                 case 0x03:
 697                         break;
 698                 default:
 699                         PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
 700                                data, i + 1);
 701                 }
 702         }
 703         return 0;
 704 }
 705
 706 static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 707 {
 708         PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val);
 709         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 710         ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
 711         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
 712
 713         if (!sccb_check_status(gspca_dev))
 714                 PDEBUG(D_ERR, "sccb_reg_write failed");
 715 }
 716
 717 static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 718 {
 719         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 720         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
 721         if (!sccb_check_status(gspca_dev))
 722                 PDEBUG(D_ERR, "sccb_reg_read failed 1");
 723
 724         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
 725         if (!sccb_check_status(gspca_dev))
 726                 PDEBUG(D_ERR, "sccb_reg_read failed 2");
 727
 728         return ov534_reg_read(gspca_dev, OV534_REG_READ);
 729 }
 730
 731 /* output a bridge sequence (reg - val) */
 732 static void reg_w_array(struct gspca_dev *gspca_dev,
 733                         const u8 (*data)[2], int len)
 734 {
 735         while (--len >= 0) {
 736                 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 737                 data++;
 738         }
 739 }
 740
 741 /* output a sensor sequence (reg - val) */
 742 static void sccb_w_array(struct gspca_dev *gspca_dev,
 743                         const u8 (*data)[2], int len)
 744 {
 745         while (--len >= 0) {
 746                 if ((*data)[0] != 0xff) {
 747                         sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 748                 } else {
 749                         sccb_reg_read(gspca_dev, (*data)[1]);
 750                         sccb_reg_write(gspca_dev, 0xff, 0x00);
 751                 }
 752                 data++;
 753         }
 754 }
 755
 756 /* set framerate */
 757 static void ov534_set_frame_rate(struct gspca_dev *gspca_dev)
 758 {
 759         struct sd *sd = (struct sd *) gspca_dev;
 760         int fr = sd->frame_rate;
 761
 762         switch (fr) {
 763         case 50:
 764                 sccb_reg_write(gspca_dev, 0x11, 0x01);
 765                 sccb_reg_write(gspca_dev, 0x0d, 0x41);
 766                 ov534_reg_write(gspca_dev, 0xe5, 0x02);
 767                 break;
 768         case 40:
 769                 sccb_reg_write(gspca_dev, 0x11, 0x02);
 770                 sccb_reg_write(gspca_dev, 0x0d, 0xc1);
 771                 ov534_reg_write(gspca_dev, 0xe5, 0x04);
 772                 break;
 773 /*      case 30: */
 774         default:
 775                 fr = 30;
 776                 sccb_reg_write(gspca_dev, 0x11, 0x04);
 777                 sccb_reg_write(gspca_dev, 0x0d, 0x81);
 778                 ov534_reg_write(gspca_dev, 0xe5, 0x02);
 779                 break;
 780         case 15:
 781                 sccb_reg_write(gspca_dev, 0x11, 0x03);
 782                 sccb_reg_write(gspca_dev, 0x0d, 0x41);
 783                 ov534_reg_write(gspca_dev, 0xe5, 0x04);
 784                 break;
 785         }
 786
 787         sd->frame_rate = fr;
 788         PDEBUG(D_PROBE, "frame_rate: %d", fr);
 789 }
 790
 791 /* this function is called at probe time */
 792 static int sd_config(struct gspca_dev *gspca_dev,
 793                      const struct usb_device_id *id)
 794 {
 795         struct sd *sd = (struct sd *) gspca_dev;
 796         struct cam *cam;
 797
 798         sd->sensor = id->driver_info;
 799
 800         cam = &gspca_dev->cam;
 801
 802         if (sd->sensor == SENSOR_OV772X) {
 803                 cam->cam_mode = vga_yuyv_mode;
 804                 cam->nmodes = ARRAY_SIZE(vga_yuyv_mode);
 805
 806                 cam->bulk = 1;
 807                 cam->bulk_size = 16384;
 808                 cam->bulk_nurbs = 2;
 809         } else {                /* ov965x */
 810                 cam->cam_mode = vga_jpeg_mode;
 811                 cam->nmodes = ARRAY_SIZE(vga_jpeg_mode);
 812         }
 813
 814         return 0;
 815 }
 816
 817 /* this function is called at probe and resume time */
 818 static int sd_init(struct gspca_dev *gspca_dev)
 819 {
 820         struct sd *sd = (struct sd *) gspca_dev;
 821         u16 sensor_id;
 822         static const u8 sensor_addr[2] = {
 823                 0x42,                   /* 0 SENSOR_OV772X */
 824                 0x60,                   /* 1 SENSOR_OV965X */
 825         };
 826
 827         /* reset bridge */
 828         ov534_reg_write(gspca_dev, 0xe7, 0x3a);
 829         ov534_reg_write(gspca_dev, 0xe0, 0x08);
 830         msleep(100);
 831
 832         /* initialize the sensor address */
 833         ov534_reg_write(gspca_dev, OV534_REG_ADDRESS,
 834                                 sensor_addr[sd->sensor]);
 835
 836         /* reset sensor */
 837         sccb_reg_write(gspca_dev, 0x12, 0x80);
 838         msleep(10);
 839
 840         /* probe the sensor */
 841         sccb_reg_read(gspca_dev, 0x0a);
 842         sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
 843         sccb_reg_read(gspca_dev, 0x0b);
 844         sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
 845         PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
 846
 847         /* initialize */
 848         switch (sd->sensor) {
 849         case SENSOR_OV772X:
 850                 reg_w_array(gspca_dev, bridge_init_ov722x,
 851                                 ARRAY_SIZE(bridge_init_ov722x));
 852                 ov534_set_led(gspca_dev, 1);
 853                 sccb_w_array(gspca_dev, sensor_init_ov722x,
 854                                 ARRAY_SIZE(sensor_init_ov722x));
 855                 ov534_reg_write(gspca_dev, 0xe0, 0x09);
 856                 ov534_set_led(gspca_dev, 0);
 857                 ov534_set_frame_rate(gspca_dev);
 858                 break;
 859         default:
 860 /*      case SENSOR_OV965X: */
 861                 reg_w_array(gspca_dev, bridge_init_ov965x,
 862                                 ARRAY_SIZE(bridge_init_ov965x));
 863                 sccb_w_array(gspca_dev, sensor_init_ov965x,
 864                                 ARRAY_SIZE(sensor_init_ov965x));
 865                 reg_w_array(gspca_dev, bridge_init_ov965x_2,
 866                                 ARRAY_SIZE(bridge_init_ov965x_2));
 867                 sccb_w_array(gspca_dev, sensor_init_ov965x_2,
 868                                 ARRAY_SIZE(sensor_init_ov965x_2));
 869                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 870                 ov534_reg_write(gspca_dev, 0xe0, 0x01);
 871                 ov534_set_led(gspca_dev, 0);
 872                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 873         }
 874
 875         return 0;
 876 }
 877
 878 static int sd_start(struct gspca_dev *gspca_dev)
 879 {
 880         struct sd *sd = (struct sd *) gspca_dev;
 881         int mode;
 882
 883         switch (sd->sensor) {
 884         case SENSOR_OV772X:
 885                 ov534_set_led(gspca_dev, 1);
 886                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 887                 break;
 888         default:
 889 /*      case SENSOR_OV965X: */
 890
 891                 sccb_w_array(gspca_dev, sensor_start_ov965x,
 892                                 ARRAY_SIZE(sensor_start_ov965x));
 893                 reg_w_array(gspca_dev, bridge_start_ov965x,
 894                                 ARRAY_SIZE(bridge_start_ov965x));
 895                 mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 896                 if (mode != 0) {        /* 320x240 */
 897                         reg_w_array(gspca_dev, bridge_start_ov965x_cif,
 898                                         ARRAY_SIZE(bridge_start_ov965x_cif));
 899                         sccb_w_array(gspca_dev, sensor_start_ov965x_cif,
 900                                         ARRAY_SIZE(sensor_start_ov965x_cif));
 901                 } else {                /* 640x480 */
 902                         reg_w_array(gspca_dev, bridge_start_ov965x_vga,
 903                                         ARRAY_SIZE(bridge_start_ov965x_vga));
 904                         sccb_w_array(gspca_dev, sensor_start_ov965x_vga,
 905                                         ARRAY_SIZE(sensor_start_ov965x_vga));
 906                 }
 907                 sccb_w_array(gspca_dev, sensor_start_ov965x_2,
 908                                 ARRAY_SIZE(sensor_start_ov965x_2));
 909                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 910                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 911                 ov534_set_led(gspca_dev, 1);
 912         }
 913         return 0;
 914 }
 915
 916 static void sd_stopN(struct gspca_dev *gspca_dev)
 917 {
 918         struct sd *sd = (struct sd *) gspca_dev;
 919
 920         switch (sd->sensor) {
 921         case SENSOR_OV772X:
 922                 ov534_reg_write(gspca_dev, 0xe0, 0x09);
 923                 ov534_set_led(gspca_dev, 0);
 924                 break;
 925         default:
 926 /*      case SENSOR_OV965X: */
 927                 ov534_reg_write(gspca_dev, 0xe0, 0x01);
 928                 ov534_set_led(gspca_dev, 0);
 929                 ov534_reg_write(gspca_dev, 0xe0, 0x00);
 930                 break;
 931         }
 932 }
 933
 934 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
 935 #define UVC_STREAM_EOH  (1 << 7)
 936 #define UVC_STREAM_ERR  (1 << 6)
 937 #define UVC_STREAM_STI  (1 << 5)
 938 #define UVC_STREAM_RES  (1 << 4)
 939 #define UVC_STREAM_SCR  (1 << 3)
 940 #define UVC_STREAM_PTS  (1 << 2)
 941 #define UVC_STREAM_EOF  (1 << 1)
 942 #define UVC_STREAM_FID  (1 << 0)
 943
 944 static void sd_pkt_scan(struct gspca_dev *gspca_dev, struct gspca_frame *frame,
 945                         __u8 *data, int len)
 946 {
 947         struct sd *sd = (struct sd *) gspca_dev;
 948         __u32 this_pts;
 949         u16 this_fid;
 950         int remaining_len = len;
 951         int payload_len;
 952
 953         payload_len = gspca_dev->cam.bulk ? 2048 : 2040;
 954         do {
 955                 len = min(remaining_len, payload_len);
 956
 957                 /* Payloads are prefixed with a UVC-style header.  We
 958                    consider a frame to start when the FID toggles, or the PTS
 959                    changes.  A frame ends when EOF is set, and we've received
 960                    the correct number of bytes. */
 961
 962                 /* Verify UVC header.  Header length is always 12 */
 963                 if (data[0] != 12 || len < 12) {
 964                         PDEBUG(D_PACK, "bad header");
 965                         goto discard;
 966                 }
 967
 968                 /* Check errors */
 969                 if (data[1] & UVC_STREAM_ERR) {
 970                         PDEBUG(D_PACK, "payload error");
 971                         goto discard;
 972                 }
 973
 974                 /* Extract PTS and FID */
 975                 if (!(data[1] & UVC_STREAM_PTS)) {
 976                         PDEBUG(D_PACK, "PTS not present");
 977                         goto discard;
 978                 }
 979                 this_pts = (data[5] << 24) | (data[4] << 16)
 980                                                 | (data[3] << 8) | data[2];
 981                 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
 982
 983                 /* If PTS or FID has changed, start a new frame. */
 984                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
 985                         if (gspca_dev->last_packet_type == INTER_PACKET)
 986                                 frame = gspca_frame_add(gspca_dev,
 987                                                         LAST_PACKET, frame,
 988                                                         NULL, 0);
 989                         sd->last_pts = this_pts;
 990                         sd->last_fid = this_fid;
 991                         gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
 992                                         data + 12, len - 12);
 993                 /* If this packet is marked as EOF, end the frame */
 994                 } else if (data[1] & UVC_STREAM_EOF) {
 995                         sd->last_pts = 0;
 996                         frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 997                                                 data + 12, len - 12);
 998                 } else {
 999
1000                         /* Add the data from this payload */
1001                         gspca_frame_add(gspca_dev, INTER_PACKET, frame,
1002                                                 data + 12, len - 12);
1003                 }
1004
1005
1006                 /* Done this payload */
1007                 goto scan_next;
1008
1009 discard:
1010                 /* Discard data until a new frame starts. */
1011                 gspca_frame_add(gspca_dev, DISCARD_PACKET, frame, NULL, 0);
1012
1013 scan_next:
1014                 remaining_len -= len;
1015                 data += len;
1016         } while (remaining_len > 0);
1017 }
1018
1019 /* get stream parameters (framerate) */
1020 static int sd_get_streamparm(struct gspca_dev *gspca_dev,
1021                              struct v4l2_streamparm *parm)
1022 {
1023         struct v4l2_captureparm *cp = &parm->parm.capture;
1024         struct v4l2_fract *tpf = &cp->timeperframe;
1025         struct sd *sd = (struct sd *) gspca_dev;
1026
1027         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1028                 return -EINVAL;
1029
1030         cp->capability |= V4L2_CAP_TIMEPERFRAME;
1031         tpf->numerator = 1;
1032         tpf->denominator = sd->frame_rate;
1033
1034         return 0;
1035 }
1036
1037 /* set stream parameters (framerate) */
1038 static int sd_set_streamparm(struct gspca_dev *gspca_dev,
1039                              struct v4l2_streamparm *parm)
1040 {
1041         struct v4l2_captureparm *cp = &parm->parm.capture;
1042         struct v4l2_fract *tpf = &cp->timeperframe;
1043         struct sd *sd = (struct sd *) gspca_dev;
1044
1045         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1046                 return -EINVAL;
1047
1048         /* Set requested framerate */
1049         sd->frame_rate = tpf->denominator / tpf->numerator;
1050         ov534_set_frame_rate(gspca_dev);
1051
1052         /* Return the actual framerate */
1053         tpf->numerator = 1;
1054         tpf->denominator = sd->frame_rate;
1055
1056         return 0;
1057 }
1058
1059 /* sub-driver description */
1060 static const struct sd_desc sd_desc = {
1061         .name     = MODULE_NAME,
1062         .ctrls    = sd_ctrls,
1063         .nctrls   = ARRAY_SIZE(sd_ctrls),
1064         .config   = sd_config,
1065         .init     = sd_init,
1066         .start    = sd_start,
1067         .stopN    = sd_stopN,
1068         .pkt_scan = sd_pkt_scan,
1069         .get_streamparm = sd_get_streamparm,
1070         .set_streamparm = sd_set_streamparm,
1071 };
1072
1073 /* -- module initialisation -- */
1074 static const __devinitdata struct usb_device_id device_table[] = {
1075         {USB_DEVICE(0x06f8, 0x3003), .driver_info = SENSOR_OV965X},
1076         {USB_DEVICE(0x1415, 0x2000), .driver_info = SENSOR_OV772X},
1077         {}
1078 };
1079
1080 MODULE_DEVICE_TABLE(usb, device_table);
1081
1082 /* -- device connect -- */
1083 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1084 {
1085         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1086                                THIS_MODULE);
1087 }
1088
1089 static struct usb_driver sd_driver = {
1090         .name       = MODULE_NAME,
1091         .id_table   = device_table,
1092         .probe      = sd_probe,
1093         .disconnect = gspca_disconnect,
1094 #ifdef CONFIG_PM
1095         .suspend    = gspca_suspend,
1096         .resume     = gspca_resume,
1097 #endif
1098 };
1099
1100 /* -- module insert / remove -- */
1101 static int __init sd_mod_init(void)
1102 {
1103         int ret;
1104         ret = usb_register(&sd_driver);
1105         if (ret < 0)
1106                 return ret;
1107         PDEBUG(D_PROBE, "registered");
1108         return 0;
1109 }
1110
1111 static void __exit sd_mod_exit(void)
1112 {
1113         usb_deregister(&sd_driver);
1114         PDEBUG(D_PROBE, "deregistered");
1115 }
1116
1117 module_init(sd_mod_init);
1118 module_exit(sd_mod_exit);