drivers/media/video/gspca/spca561.c

   1 /*
   2  * Sunplus spca561 subdriver
   3  *
   4  * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
   5  *
   6  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 #define MODULE_NAME "spca561"
  24
  25 #include "gspca.h"
  26
  27 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  28 MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
  29 MODULE_LICENSE("GPL");
  30
  31 /* specific webcam descriptor */
  32 struct sd {
  33         struct gspca_dev gspca_dev;     /* !! must be the first item */
  34
  35         __u16 exposure;                 /* rev12a only */
  36 #define EXPOSURE_MIN 1
  37 #define EXPOSURE_DEF 200
  38 #define EXPOSURE_MAX (4095 - 900) /* see set_exposure */
  39
  40         __u8 contrast;                  /* rev72a only */
  41 #define CONTRAST_MIN 0x00
  42 #define CONTRAST_DEF 0x20
  43 #define CONTRAST_MAX 0x3f
  44
  45         __u8 brightness;                /* rev72a only */
  46 #define BRIGHTNESS_MIN 0
  47 #define BRIGHTNESS_DEF 0x20
  48 #define BRIGHTNESS_MAX 0x3f
  49
  50         __u8 white;
  51 #define WHITE_MIN 1
  52 #define WHITE_DEF 0x40
  53 #define WHITE_MAX 0x7f
  54
  55         __u8 autogain;
  56 #define AUTOGAIN_MIN 0
  57 #define AUTOGAIN_DEF 1
  58 #define AUTOGAIN_MAX 1
  59
  60         __u8 gain;                      /* rev12a only */
  61 #define GAIN_MIN 0x0
  62 #define GAIN_DEF 0x24
  63 #define GAIN_MAX 0x24
  64
  65 #define EXPO12A_DEF 3
  66         __u8 expo12a;           /* expo/gain? for rev 12a */
  67
  68         __u8 chip_revision;
  69 #define Rev012A 0
  70 #define Rev072A 1
  71
  72         signed char ag_cnt;
  73 #define AG_CNT_START 13
  74 };
  75
  76 static const struct v4l2_pix_format sif_012a_mode[] = {
  77         {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
  78                 .bytesperline = 160,
  79                 .sizeimage = 160 * 120,
  80                 .colorspace = V4L2_COLORSPACE_SRGB,
  81                 .priv = 3},
  82         {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
  83                 .bytesperline = 176,
  84                 .sizeimage = 176 * 144,
  85                 .colorspace = V4L2_COLORSPACE_SRGB,
  86                 .priv = 2},
  87         {320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
  88                 .bytesperline = 320,
  89                 .sizeimage = 320 * 240 * 4 / 8,
  90                 .colorspace = V4L2_COLORSPACE_SRGB,
  91                 .priv = 1},
  92         {352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
  93                 .bytesperline = 352,
  94                 .sizeimage = 352 * 288 * 4 / 8,
  95                 .colorspace = V4L2_COLORSPACE_SRGB,
  96                 .priv = 0},
  97 };
  98
  99 static const struct v4l2_pix_format sif_072a_mode[] = {
 100         {160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 101                 .bytesperline = 160,
 102                 .sizeimage = 160 * 120,
 103                 .colorspace = V4L2_COLORSPACE_SRGB,
 104                 .priv = 3},
 105         {176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 106                 .bytesperline = 176,
 107                 .sizeimage = 176 * 144,
 108                 .colorspace = V4L2_COLORSPACE_SRGB,
 109                 .priv = 2},
 110         {320, 240, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 111                 .bytesperline = 320,
 112                 .sizeimage = 320 * 240,
 113                 .colorspace = V4L2_COLORSPACE_SRGB,
 114                 .priv = 1},
 115         {352, 288, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
 116                 .bytesperline = 352,
 117                 .sizeimage = 352 * 288,
 118                 .colorspace = V4L2_COLORSPACE_SRGB,
 119                 .priv = 0},
 120 };
 121
 122 /*
 123  * Initialization data
 124  * I'm not very sure how to split initialization from open data
 125  * chunks. For now, we'll consider everything as initialization
 126  */
 127 /* Frame packet header offsets for the spca561 */
 128 #define SPCA561_OFFSET_SNAP 1
 129 #define SPCA561_OFFSET_TYPE 2
 130 #define SPCA561_OFFSET_COMPRESS 3
 131 #define SPCA561_OFFSET_FRAMSEQ   4
 132 #define SPCA561_OFFSET_GPIO 5
 133 #define SPCA561_OFFSET_USBBUFF 6
 134 #define SPCA561_OFFSET_WIN2GRAVE 7
 135 #define SPCA561_OFFSET_WIN2RAVE 8
 136 #define SPCA561_OFFSET_WIN2BAVE 9
 137 #define SPCA561_OFFSET_WIN2GBAVE 10
 138 #define SPCA561_OFFSET_WIN1GRAVE 11
 139 #define SPCA561_OFFSET_WIN1RAVE 12
 140 #define SPCA561_OFFSET_WIN1BAVE 13
 141 #define SPCA561_OFFSET_WIN1GBAVE 14
 142 #define SPCA561_OFFSET_FREQ 15
 143 #define SPCA561_OFFSET_VSYNC 16
 144 #define SPCA561_OFFSET_DATA 1
 145 #define SPCA561_INDEX_I2C_BASE 0x8800
 146 #define SPCA561_SNAPBIT 0x20
 147 #define SPCA561_SNAPCTRL 0x40
 148
 149 static const __u16 rev72a_init_data1[][2] = {
 150         {0x0000, 0x8114},       /* Software GPIO output data */
 151         {0x0001, 0x8114},       /* Software GPIO output data */
 152         {0x0000, 0x8112},       /* Some kind of reset */
 153         {0x0003, 0x8701},       /* PCLK clock delay adjustment */
 154         {0x0001, 0x8703},       /* HSYNC from cmos inverted */
 155         {0x0011, 0x8118},       /* Enable and conf sensor */
 156         {0x0001, 0x8118},       /* Conf sensor */
 157         {0x0092, 0x8804},       /* I know nothing about these */
 158         {0x0010, 0x8802},       /* 0x88xx registers, so I won't */
 159         {0x000d, 0x8805},       /* sensor default setting */
 160         {}
 161 };
 162 static const __u16 rev72a_init_sensor1[][2] = {
 163                                 /* ms-win values */
 164         {0x0001, 0x0018},       /* 0x01 <- 0x0d */
 165         {0x0002, 0x0065},       /* 0x02 <- 0x18 */
 166         {0x0004, 0x0121},       /* 0x04 <- 0x0165 */
 167         {0x0005, 0x00aa},       /* 0x05 <- 0x21 */
 168         {0x0007, 0x0004},       /* 0x07 <- 0xaa */
 169         {0x0020, 0x1502},       /* 0x20 <- 0x1504 */
 170         {0x0039, 0x0010},       /* 0x39 <- 0x02 */
 171         {0x0035, 0x0049},       /* 0x35 <- 0x10 */
 172         {0x0009, 0x100b},       /* 0x09 <- 0x1049 */
 173         {0x0028, 0x000f},       /* 0x28 <- 0x0b */
 174         {0x003b, 0x003c},       /* 0x3b <- 0x0f */
 175         {0x003c, 0x0000},       /* 0x3c <- 0x00 */
 176         {}
 177 };
 178 static const __u16 rev72a_init_data2[][2] = {
 179         {0x0018, 0x8601},       /* Pixel/line selection for color separation */
 180         {0x0000, 0x8602},       /* Optical black level for user setting */
 181         {0x0060, 0x8604},       /* Optical black horizontal offset */
 182         {0x0002, 0x8605},       /* Optical black vertical offset */
 183         {0x0000, 0x8603},       /* Non-automatic optical black level */
 184         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 185         {0x0000, 0x865f},       /* Vertical valid pixels window (x2) */
 186         {0x00b0, 0x865d},       /* Horizontal valid pixels window (x2) */
 187         {0x0090, 0x865e},       /* Vertical valid lines window (x2) */
 188         {0x00e0, 0x8406},       /* Memory buffer threshold */
 189         {0x0000, 0x8660},       /* Compensation memory stuff */
 190         {0x0002, 0x8201},       /* Output address for r/w serial EEPROM */
 191         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 192         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 193         {0x0007, 0x8201},       /* Output address for r/w serial EEPROM */
 194         {0x0008, 0x8200},       /* Clear valid bit for serial EEPROM */
 195         {0x0001, 0x8200},       /* OprMode to be executed by hardware */
 196         {0x0010, 0x8660},       /* Compensation memory stuff */
 197         {0x0018, 0x8660},       /* Compensation memory stuff */
 198
 199         {0x0004, 0x8611},       /* R offset for white balance */
 200         {0x0004, 0x8612},       /* Gr offset for white balance */
 201         {0x0007, 0x8613},       /* B offset for white balance */
 202         {0x0000, 0x8614},       /* Gb offset for white balance */
 203 /* from ms-win */
 204         {0x0035, 0x8651},       /* R gain for white balance */
 205         {0x0040, 0x8652},       /* Gr gain for white balance */
 206         {0x005f, 0x8653},       /* B gain for white balance */
 207         {0x0040, 0x8654},       /* Gb gain for white balance */
 208         {0x0002, 0x8502},       /* Maximum average bit rate stuff */
 209
 210         {0x0011, 0x8802},
 211         {0x0087, 0x8700},       /* Set master clock (96Mhz????) */
 212         {0x0081, 0x8702},       /* Master clock output enable */
 213
 214         {0x0000, 0x8500},       /* Set image type (352x288 no compression) */
 215         /* Originally was 0x0010 (352x288 compression) */
 216
 217         {0x0002, 0x865b},       /* Horizontal offset for valid pixels */
 218         {0x0003, 0x865c},       /* Vertical offset for valid lines */
 219         {}
 220 };
 221 static const __u16 rev72a_init_sensor2[][2] = {
 222                                 /* ms-win values */
 223         {0x0003, 0x0121},       /* 0x03 <- 0x01 0x21 //289 */
 224         {0x0004, 0x0165},       /* 0x04 <- 0x01 0x65 //357 */
 225         {0x0005, 0x002f},       /* 0x05 <- 0x2f */
 226         {0x0006, 0x0000},       /* 0x06 <- 0 */
 227         {0x000a, 0x0002},       /* 0x0a <- 2 */
 228         {0x0009, 0x1061},       /* 0x09 <- 0x1061 */
 229         {0x0035, 0x0014},       /* 0x35 <- 0x14 */
 230         {}
 231 };
 232 static const __u16 rev72a_init_data3[][2] = {
 233         {0x0030, 0x8112},       /* ISO and drop packet enable */
 234 /*fixme: should stop here*/
 235         {0x0000, 0x8112},       /* Some kind of reset ???? */
 236         {0x0009, 0x8118},       /* Enable sensor and set standby */
 237         {0x0000, 0x8114},       /* Software GPIO output data */
 238         {0x0000, 0x8114},       /* Software GPIO output data */
 239         {0x0001, 0x8114},       /* Software GPIO output data */
 240         {0x0000, 0x8112},       /* Some kind of reset ??? */
 241         {0x0003, 0x8701},
 242         {0x0001, 0x8703},
 243         {0x0011, 0x8118},
 244         {0x0001, 0x8118},
 245         /***************/
 246         {0x0092, 0x8804},
 247         {0x0010, 0x8802},
 248         {0x000d, 0x8805},
 249         {0x0001, 0x8801},
 250         {0x0000, 0x8800},
 251         {0x0018, 0x8805},
 252         {0x0002, 0x8801},
 253         {0x0000, 0x8800},
 254         {0x0065, 0x8805},
 255         {0x0004, 0x8801},
 256         {0x0001, 0x8800},
 257         {0x0021, 0x8805},
 258         {0x0005, 0x8801},
 259         {0x0000, 0x8800},
 260         {0x00aa, 0x8805},
 261         {0x0007, 0x8801},       /* mode 0xaa */
 262         {0x0000, 0x8800},
 263         {0x0004, 0x8805},
 264         {0x0020, 0x8801},
 265         {0x0015, 0x8800},       /* mode 0x0415 */
 266         {0x0002, 0x8805},
 267         {0x0039, 0x8801},
 268         {0x0000, 0x8800},
 269         {0x0010, 0x8805},
 270         {0x0035, 0x8801},
 271         {0x0000, 0x8800},
 272         {0x0049, 0x8805},
 273         {0x0009, 0x8801},
 274         {0x0010, 0x8800},
 275         {0x000b, 0x8805},
 276         {0x0028, 0x8801},
 277         {0x0000, 0x8800},
 278         {0x000f, 0x8805},
 279         {0x003b, 0x8801},
 280         {0x0000, 0x8800},
 281         {0x0000, 0x8805},
 282         {0x003c, 0x8801},
 283         {0x0000, 0x8800},
 284         {0x0002, 0x8502},
 285         {0x0039, 0x8801},
 286         {0x0000, 0x8805},
 287         {0x0000, 0x8800},
 288
 289         {0x0087, 0x8700},       /* overwrite by start */
 290         {0x0081, 0x8702},
 291         {0x0000, 0x8500},
 292 /*      {0x0010, 0x8500},  -- Previous line was this */
 293         {0x0002, 0x865b},
 294         {0x0003, 0x865c},
 295         /***************/
 296         {0x0003, 0x8801},       /* 0x121-> 289 */
 297         {0x0021, 0x8805},
 298         {0x0001, 0x8800},
 299         {0x0004, 0x8801},       /* 0x165 -> 357 */
 300         {0x0065, 0x8805},
 301         {0x0001, 0x8800},
 302         {0x0005, 0x8801},       /* 0x2f //blanking control colonne */
 303         {0x002f, 0x8805},
 304         {0x0000, 0x8800},
 305         {0x0006, 0x8801},       /* 0x00 //blanking mode row */
 306         {0x0000, 0x8805},
 307         {0x0000, 0x8800},
 308         {0x000a, 0x8801},       /* 0x01 //0x02 */
 309         {0x0001, 0x8805},
 310         {0x0000, 0x8800},
 311         {0x0009, 0x8801},       /* 0x1061 - setexposure times && pixel clock
 312                                  * 0001 0 | 000 0110 0001 */
 313         {0x0061, 0x8805},       /* 61 31 */
 314         {0x0008, 0x8800},       /* 08 */
 315         {0x0035, 0x8801},       /* 0x14 - set gain general */
 316         {0x001f, 0x8805},       /* 0x14 */
 317         {0x0000, 0x8800},
 318         {0x000e, 0x8112},       /* white balance - was 30 */
 319         {}
 320 };
 321
 322 /******************** QC Express etch2 stuff ********************/
 323 static const __u16 Pb100_1map8300[][2] = {
 324         /* reg, value */
 325         {0x8320, 0x3304},
 326
 327         {0x8303, 0x0125},       /* image area */
 328         {0x8304, 0x0169},
 329         {0x8328, 0x000b},
 330         {0x833c, 0x0001},               /*fixme: win:07*/
 331
 332         {0x832f, 0x1904},               /*fixme: was 0419*/
 333         {0x8307, 0x00aa},
 334         {0x8301, 0x0003},
 335         {0x8302, 0x000e},
 336         {}
 337 };
 338 static const __u16 Pb100_2map8300[][2] = {
 339         /* reg, value */
 340         {0x8339, 0x0000},
 341         {0x8307, 0x00aa},
 342         {}
 343 };
 344
 345 static const __u16 spca561_161rev12A_data1[][2] = {
 346         {0x29, 0x8118},         /* white balance - was 21 */
 347         {0x08, 0x8114},         /* white balance - was 01 */
 348         {0x0e, 0x8112},         /* white balance - was 00 */
 349         {0x00, 0x8102},         /* white balance - new */
 350         {0x92, 0x8804},
 351         {0x04, 0x8802},         /* windows uses 08 */
 352         {}
 353 };
 354 static const __u16 spca561_161rev12A_data2[][2] = {
 355         {0x21, 0x8118},
 356         {0x10, 0x8500},
 357         {0x07, 0x8601},
 358         {0x07, 0x8602},
 359         {0x04, 0x8501},
 360         {0x21, 0x8118},
 361
 362         {0x07, 0x8201},         /* windows uses 02 */
 363         {0x08, 0x8200},
 364         {0x01, 0x8200},
 365
 366         {0x00, 0x8114},
 367         {0x01, 0x8114},         /* windows uses 00 */
 368
 369         {0x90, 0x8604},
 370         {0x00, 0x8605},
 371         {0xb0, 0x8603},
 372
 373         /* sensor gains */
 374         {0x07, 0x8601},         /* white balance - new */
 375         {0x07, 0x8602},         /* white balance - new */
 376         {0x00, 0x8610},         /* *red */
 377         {0x00, 0x8611},         /* 3f   *green */
 378         {0x00, 0x8612},         /* green *blue */
 379         {0x00, 0x8613},         /* blue *green */
 380         {0x43, 0x8614},         /* green *red - white balance - was 0x35 */
 381         {0x40, 0x8615},         /* 40   *green - white balance - was 0x35 */
 382         {0x71, 0x8616},         /* 7a   *blue - white balance - was 0x35 */
 383         {0x40, 0x8617},         /* 40   *green - white balance - was 0x35 */
 384
 385         {0x0c, 0x8620},         /* 0c */
 386         {0xc8, 0x8631},         /* c8 */
 387         {0xc8, 0x8634},         /* c8 */
 388         {0x23, 0x8635},         /* 23 */
 389         {0x1f, 0x8636},         /* 1f */
 390         {0xdd, 0x8637},         /* dd */
 391         {0xe1, 0x8638},         /* e1 */
 392         {0x1d, 0x8639},         /* 1d */
 393         {0x21, 0x863a},         /* 21 */
 394         {0xe3, 0x863b},         /* e3 */
 395         {0xdf, 0x863c},         /* df */
 396         {0xf0, 0x8505},
 397         {0x32, 0x850a},
 398 /*      {0x99, 0x8700},          * - white balance - new (removed) */
 399         {}
 400 };
 401
 402 static void reg_w_val(struct usb_device *dev, __u16 index, __u8 value)
 403 {
 404         int ret;
 405
 406         ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
 407                               0,                /* request */
 408                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 409                               value, index, NULL, 0, 500);
 410         PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
 411         if (ret < 0)
 412                 PDEBUG(D_ERR, "reg write: error %d", ret);
 413 }
 414
 415 static void write_vector(struct gspca_dev *gspca_dev,
 416                         const __u16 data[][2])
 417 {
 418         struct usb_device *dev = gspca_dev->dev;
 419         int i;
 420
 421         i = 0;
 422         while (data[i][1] != 0) {
 423                 reg_w_val(dev, data[i][1], data[i][0]);
 424                 i++;
 425         }
 426 }
 427
 428 /* read 'len' bytes to gspca_dev->usb_buf */
 429 static void reg_r(struct gspca_dev *gspca_dev,
 430                   __u16 index, __u16 length)
 431 {
 432         usb_control_msg(gspca_dev->dev,
 433                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 434                         0,                      /* request */
 435                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 436                         0,                      /* value */
 437                         index, gspca_dev->usb_buf, length, 500);
 438 }
 439
 440 /* write 'len' bytes from gspca_dev->usb_buf */
 441 static void reg_w_buf(struct gspca_dev *gspca_dev,
 442                       __u16 index, __u16 len)
 443 {
 444         usb_control_msg(gspca_dev->dev,
 445                         usb_sndctrlpipe(gspca_dev->dev, 0),
 446                         0,                      /* request */
 447                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 448                         0,                      /* value */
 449                         index, gspca_dev->usb_buf, len, 500);
 450 }
 451
 452 static void i2c_write(struct gspca_dev *gspca_dev, __u16 value, __u16 reg)
 453 {
 454         int retry = 60;
 455
 456         reg_w_val(gspca_dev->dev, 0x8801, reg);
 457         reg_w_val(gspca_dev->dev, 0x8805, value);
 458         reg_w_val(gspca_dev->dev, 0x8800, value >> 8);
 459         do {
 460                 reg_r(gspca_dev, 0x8803, 1);
 461                 if (!gspca_dev->usb_buf[0])
 462                         return;
 463         } while (--retry);
 464 }
 465
 466 static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
 467 {
 468         int retry = 60;
 469         __u8 value;
 470
 471         reg_w_val(gspca_dev->dev, 0x8804, 0x92);
 472         reg_w_val(gspca_dev->dev, 0x8801, reg);
 473         reg_w_val(gspca_dev->dev, 0x8802, mode | 0x01);
 474         do {
 475                 reg_r(gspca_dev, 0x8803, 1);
 476                 if (!gspca_dev->usb_buf[0]) {
 477                         reg_r(gspca_dev, 0x8800, 1);
 478                         value = gspca_dev->usb_buf[0];
 479                         reg_r(gspca_dev, 0x8805, 1);
 480                         return ((int) value << 8) | gspca_dev->usb_buf[0];
 481                 }
 482         } while (--retry);
 483         return -1;
 484 }
 485
 486 static void sensor_mapwrite(struct gspca_dev *gspca_dev,
 487                             const __u16 (*sensormap)[2])
 488 {
 489         while ((*sensormap)[0]) {
 490                 gspca_dev->usb_buf[0] = (*sensormap)[1];
 491                 gspca_dev->usb_buf[1] = (*sensormap)[1] >> 8;
 492                 reg_w_buf(gspca_dev, (*sensormap)[0], 2);
 493                 sensormap++;
 494         }
 495 }
 496
 497 static void write_sensor_72a(struct gspca_dev *gspca_dev,
 498                             const __u16 (*sensor)[2])
 499 {
 500         while ((*sensor)[0]) {
 501                 i2c_write(gspca_dev, (*sensor)[1], (*sensor)[0]);
 502                 sensor++;
 503         }
 504 }
 505
 506 static void init_161rev12A(struct gspca_dev *gspca_dev)
 507 {
 508         write_vector(gspca_dev, spca561_161rev12A_data1);
 509         sensor_mapwrite(gspca_dev, Pb100_1map8300);
 510 /*fixme: should be in sd_start*/
 511         write_vector(gspca_dev, spca561_161rev12A_data2);
 512         sensor_mapwrite(gspca_dev, Pb100_2map8300);
 513 }
 514
 515 /* this function is called at probe time */
 516 static int sd_config(struct gspca_dev *gspca_dev,
 517                      const struct usb_device_id *id)
 518 {
 519         struct sd *sd = (struct sd *) gspca_dev;
 520         struct cam *cam;
 521         __u16 vendor, product;
 522         __u8 data1, data2;
 523
 524         /* Read frm global register the USB product and vendor IDs, just to
 525          * prove that we can communicate with the device.  This works, which
 526          * confirms at we are communicating properly and that the device
 527          * is a 561. */
 528         reg_r(gspca_dev, 0x8104, 1);
 529         data1 = gspca_dev->usb_buf[0];
 530         reg_r(gspca_dev, 0x8105, 1);
 531         data2 = gspca_dev->usb_buf[0];
 532         vendor = (data2 << 8) | data1;
 533         reg_r(gspca_dev, 0x8106, 1);
 534         data1 = gspca_dev->usb_buf[0];
 535         reg_r(gspca_dev, 0x8107, 1);
 536         data2 = gspca_dev->usb_buf[0];
 537         product = (data2 << 8) | data1;
 538         if (vendor != id->idVendor || product != id->idProduct) {
 539                 PDEBUG(D_PROBE, "Bad vendor / product from device");
 540                 return -EINVAL;
 541         }
 542
 543         cam = &gspca_dev->cam;
 544         cam->epaddr = 0x01;
 545         gspca_dev->nbalt = 7 + 1;       /* choose alternate 7 first */
 546
 547         sd->chip_revision = id->driver_info;
 548         if (sd->chip_revision == Rev012A) {
 549                 cam->cam_mode = sif_012a_mode;
 550                 cam->nmodes = ARRAY_SIZE(sif_012a_mode);
 551         } else {
 552                 cam->cam_mode = sif_072a_mode;
 553                 cam->nmodes = ARRAY_SIZE(sif_072a_mode);
 554         }
 555         sd->brightness = BRIGHTNESS_DEF;
 556         sd->contrast = CONTRAST_DEF;
 557         sd->white = WHITE_DEF;
 558         sd->exposure = EXPOSURE_DEF;
 559         sd->autogain = AUTOGAIN_DEF;
 560         sd->gain = GAIN_DEF;
 561         sd->expo12a = EXPO12A_DEF;
 562         return 0;
 563 }
 564
 565 /* this function is called at probe and resume time */
 566 static int sd_init_12a(struct gspca_dev *gspca_dev)
 567 {
 568         PDEBUG(D_STREAM, "Chip revision: 012a");
 569         init_161rev12A(gspca_dev);
 570         return 0;
 571 }
 572 static int sd_init_72a(struct gspca_dev *gspca_dev)
 573 {
 574         PDEBUG(D_STREAM, "Chip revision: 072a");
 575         write_vector(gspca_dev, rev72a_init_data1);
 576         write_sensor_72a(gspca_dev, rev72a_init_sensor1);
 577         write_vector(gspca_dev, rev72a_init_data2);
 578         write_sensor_72a(gspca_dev, rev72a_init_sensor2);
 579         write_vector(gspca_dev, rev72a_init_data3);
 580         return 0;
 581 }
 582
 583 /* rev 72a only */
 584 static void setbrightness(struct gspca_dev *gspca_dev)
 585 {
 586         struct sd *sd = (struct sd *) gspca_dev;
 587         struct usb_device *dev = gspca_dev->dev;
 588         __u8 value;
 589
 590         value = sd->brightness;
 591
 592         /* offsets for white balance */
 593         reg_w_val(dev, 0x8611, value);          /* R */
 594         reg_w_val(dev, 0x8612, value);          /* Gr */
 595         reg_w_val(dev, 0x8613, value);          /* B */
 596         reg_w_val(dev, 0x8614, value);          /* Gb */
 597 }
 598
 599 static void setwhite(struct gspca_dev *gspca_dev)
 600 {
 601         struct sd *sd = (struct sd *) gspca_dev;
 602         __u16 white;
 603         __u8 blue, red;
 604         __u16 reg;
 605
 606         /* try to emulate MS-win as possible */
 607         white = sd->white;
 608         red = 0x20 + white * 3 / 8;
 609         blue = 0x90 - white * 5 / 8;
 610         if (sd->chip_revision == Rev012A) {
 611                 reg = 0x8614;
 612         } else {
 613                 reg = 0x8651;
 614                 red += sd->contrast - 0x20;
 615                 blue += sd->contrast - 0x20;
 616         }
 617         reg_w_val(gspca_dev->dev, reg, red);
 618         reg_w_val(gspca_dev->dev, reg + 2, blue);
 619 }
 620
 621 static void setcontrast(struct gspca_dev *gspca_dev)
 622 {
 623         struct sd *sd = (struct sd *) gspca_dev;
 624         struct usb_device *dev = gspca_dev->dev;
 625         __u8 value;
 626
 627         if (sd->chip_revision != Rev072A)
 628                 return;
 629         value = sd->contrast + 0x20;
 630
 631         /* gains for white balance */
 632         setwhite(gspca_dev);
 633 /*      reg_w_val(dev, 0x8651, value);           * R - done by setwhite */
 634         reg_w_val(dev, 0x8652, value);          /* Gr */
 635 /*      reg_w_val(dev, 0x8653, value);           * B - done by setwhite */
 636         reg_w_val(dev, 0x8654, value);          /* Gb */
 637 }
 638
 639 /* rev 12a only */
 640 static void setexposure(struct gspca_dev *gspca_dev)
 641 {
 642         struct sd *sd = (struct sd *) gspca_dev;
 643         int expo;
 644         int clock_divider;
 645
 646         /* Register 0x8309 controls exposure for the spca561,
 647            the basic exposure setting goes from 1-2047, where 1 is completely
 648            dark and 2047 is very bright. It not only influences exposure but
 649            also the framerate (to allow for longer exposure) from 1 - 300 it
 650            only raises the exposure time then from 300 - 600 it halves the
 651            framerate to be able to further raise the exposure time and for every
 652            300 more it halves the framerate again. This allows for a maximum
 653            exposure time of circa 0.2 - 0.25 seconds (30 / (2000/3000) fps).
 654            Sometimes this is not enough, the 1-2047 uses bits 0-10, bits 11-12
 655            configure a divider for the base framerate which us used at the
 656            exposure setting of 1-300. These bits configure the base framerate
 657            according to the following formula: fps = 60 / (value + 2) */
 658         if (sd->exposure < 2048) {
 659                 expo = sd->exposure;
 660                 clock_divider = 0;
 661         } else {
 662                 /* Add 900 to make the 0 setting of the second part of the
 663                    exposure equal to the 2047 setting of the first part. */
 664                 expo = (sd->exposure - 2048) + 900;
 665                 clock_divider = 3;
 666         }
 667         expo |= clock_divider << 11;
 668         gspca_dev->usb_buf[0] = expo;
 669         gspca_dev->usb_buf[1] = expo >> 8;
 670         reg_w_buf(gspca_dev, 0x8309, 2);
 671 }
 672
 673 /* rev 12a only */
 674 static void setgain(struct gspca_dev *gspca_dev)
 675 {
 676         struct sd *sd = (struct sd *) gspca_dev;
 677
 678         gspca_dev->usb_buf[0] = sd->gain;
 679         gspca_dev->usb_buf[1] = 0;
 680         reg_w_buf(gspca_dev, 0x8335, 2);
 681 }
 682
 683 static void setautogain(struct gspca_dev *gspca_dev)
 684 {
 685         struct sd *sd = (struct sd *) gspca_dev;
 686
 687         if (sd->autogain)
 688                 sd->ag_cnt = AG_CNT_START;
 689         else
 690                 sd->ag_cnt = -1;
 691 }
 692
 693 static int sd_start_12a(struct gspca_dev *gspca_dev)
 694 {
 695         struct usb_device *dev = gspca_dev->dev;
 696         int mode;
 697         static const __u8 Reg8391[8] =
 698                 {0x92, 0x30, 0x20, 0x00, 0x0c, 0x00, 0x00, 0x00};
 699
 700         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 701         if (mode <= 1) {
 702                 /* Use compression on 320x240 and above */
 703                 reg_w_val(dev, 0x8500, 0x10 | mode);
 704         } else {
 705                 /* I couldn't get the compression to work below 320x240
 706                  * Fortunately at these resolutions the bandwidth
 707                  * is sufficient to push raw frames at ~20fps */
 708                 reg_w_val(dev, 0x8500, mode);
 709         }               /* -- qq@kuku.eu.org */
 710
 711         gspca_dev->usb_buf[0] = 0xaa;
 712         gspca_dev->usb_buf[1] = 0x00;
 713         reg_w_buf(gspca_dev, 0x8307, 2);
 714         /* clock - lower 0x8X values lead to fps > 30 */
 715         reg_w_val(gspca_dev->dev, 0x8700, 0x8a);
 716                                         /* 0x8f 0x85 0x27 clock */
 717         reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
 718         reg_w_val(gspca_dev->dev, 0x850b, 0x03);
 719         memcpy(gspca_dev->usb_buf, Reg8391, 8);
 720         reg_w_buf(gspca_dev, 0x8391, 8);
 721         reg_w_buf(gspca_dev, 0x8390, 8);
 722         setwhite(gspca_dev);
 723         setautogain(gspca_dev);
 724 /*      setgain(gspca_dev);             */
 725         setexposure(gspca_dev);
 726         return 0;
 727 }
 728 static int sd_start_72a(struct gspca_dev *gspca_dev)
 729 {
 730         struct usb_device *dev = gspca_dev->dev;
 731         int Clck;
 732         int mode;
 733
 734         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 735         switch (mode) {
 736         default:
 737 /*      case 0:
 738         case 1: */
 739                 Clck = 0x25;
 740                 break;
 741         case 2:
 742                 Clck = 0x22;
 743                 break;
 744         case 3:
 745                 Clck = 0x21;
 746                 break;
 747         }
 748         reg_w_val(dev, 0x8500, mode);   /* mode */
 749         reg_w_val(dev, 0x8700, Clck);   /* 0x27 clock */
 750         reg_w_val(dev, 0x8112, 0x10 | 0x20);
 751         setcontrast(gspca_dev);
 752 /*      setbrightness(gspca_dev);        * fixme: bad values */
 753         setwhite(gspca_dev);
 754         setautogain(gspca_dev);
 755         return 0;
 756 }
 757
 758 static void sd_stopN(struct gspca_dev *gspca_dev)
 759 {
 760         struct sd *sd = (struct sd *) gspca_dev;
 761
 762         if (sd->chip_revision == Rev012A) {
 763                 reg_w_val(gspca_dev->dev, 0x8112, 0x0e);
 764         } else {
 765                 reg_w_val(gspca_dev->dev, 0x8112, 0x20);
 766 /*              reg_w_val(gspca_dev->dev, 0x8102, 0x00); ?? */
 767         }
 768 }
 769
 770 /* called on streamoff with alt 0 and on disconnect */
 771 static void sd_stop0(struct gspca_dev *gspca_dev)
 772 {
 773         struct sd *sd = (struct sd *) gspca_dev;
 774
 775         if (!gspca_dev->present)
 776                 return;
 777         if (sd->chip_revision == Rev012A) {
 778                 reg_w_val(gspca_dev->dev, 0x8118, 0x29);
 779                 reg_w_val(gspca_dev->dev, 0x8114, 0x08);
 780         }
 781 /*      reg_w_val(gspca_dev->dev, 0x8114, 0); */
 782 }
 783
 784 static void do_autogain(struct gspca_dev *gspca_dev)
 785 {
 786         struct sd *sd = (struct sd *) gspca_dev;
 787         int expotimes;
 788         int pixelclk;
 789         int gainG;
 790         __u8 R, Gr, Gb, B;
 791         int y;
 792         __u8 luma_mean = 110;
 793         __u8 luma_delta = 20;
 794         __u8 spring = 4;
 795
 796         if (sd->ag_cnt < 0)
 797                 return;
 798         if (--sd->ag_cnt >= 0)
 799                 return;
 800         sd->ag_cnt = AG_CNT_START;
 801
 802         switch (sd->chip_revision) {
 803         case Rev072A:
 804                 reg_r(gspca_dev, 0x8621, 1);
 805                 Gr = gspca_dev->usb_buf[0];
 806                 reg_r(gspca_dev, 0x8622, 1);
 807                 R = gspca_dev->usb_buf[0];
 808                 reg_r(gspca_dev, 0x8623, 1);
 809                 B = gspca_dev->usb_buf[0];
 810                 reg_r(gspca_dev, 0x8624, 1);
 811                 Gb = gspca_dev->usb_buf[0];
 812                 y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
 813                 /* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
 814                 /* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
 815                 /* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */
 816
 817                 if (y < luma_mean - luma_delta ||
 818                     y > luma_mean + luma_delta) {
 819                         expotimes = i2c_read(gspca_dev, 0x09, 0x10);
 820                         pixelclk = 0x0800;
 821                         expotimes = expotimes & 0x07ff;
 822                         /* PDEBUG(D_PACK,
 823                                 "Exposition Times 0x%03X Clock 0x%04X ",
 824                                 expotimes,pixelclk); */
 825                         gainG = i2c_read(gspca_dev, 0x35, 0x10);
 826                         /* PDEBUG(D_PACK,
 827                                 "reading Gain register %d", gainG); */
 828
 829                         expotimes += (luma_mean - y) >> spring;
 830                         gainG += (luma_mean - y) / 50;
 831                         /* PDEBUG(D_PACK,
 832                                 "compute expotimes %d gain %d",
 833                                 expotimes,gainG); */
 834
 835                         if (gainG > 0x3f)
 836                                 gainG = 0x3f;
 837                         else if (gainG < 3)
 838                                 gainG = 3;
 839                         i2c_write(gspca_dev, gainG, 0x35);
 840
 841                         if (expotimes > 0x0256)
 842                                 expotimes = 0x0256;
 843                         else if (expotimes < 3)
 844                                 expotimes = 3;
 845                         i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
 846                 }
 847                 break;
 848         case Rev012A:
 849                 reg_r(gspca_dev, 0x8330, 2);
 850                 if (gspca_dev->usb_buf[1] > 0x08) {
 851                         gspca_dev->usb_buf[0] = ++sd->expo12a;
 852                         gspca_dev->usb_buf[1] = 0;
 853                         reg_w_buf(gspca_dev, 0x8339, 2);
 854                 } else if (gspca_dev->usb_buf[1] < 0x02) {
 855                         gspca_dev->usb_buf[0] = --sd->expo12a;
 856                         gspca_dev->usb_buf[1] = 0;
 857                         reg_w_buf(gspca_dev, 0x8339, 2);
 858                 }
 859                 break;
 860         }
 861 }
 862
 863 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 864                         struct gspca_frame *frame, /* target */
 865                         __u8 *data,             /* isoc packet */
 866                         int len)                /* iso packet length */
 867 {
 868         struct sd *sd = (struct sd *) gspca_dev;
 869
 870         switch (data[0]) {                      /* sequence number */
 871         case 0:                                 /* start of frame */
 872                 frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 873                                         data, 0);
 874                 data += SPCA561_OFFSET_DATA;
 875                 len -= SPCA561_OFFSET_DATA;
 876                 if (data[1] & 0x10) {
 877                         /* compressed bayer */
 878                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 879                                         frame, data, len);
 880                 } else {
 881                         /* raw bayer (with a header, which we skip) */
 882                         if (sd->chip_revision == Rev012A) {
 883                                 data += 20;
 884                                 len -= 20;
 885                         } else {
 886                                 data += 16;
 887                                 len -= 16;
 888                         }
 889                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 890                                                 frame, data, len);
 891                 }
 892                 return;
 893         case 0xff:                      /* drop (empty mpackets) */
 894                 return;
 895         }
 896         data++;
 897         len--;
 898         gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
 899 }
 900
 901 /* rev 72a only */
 902 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 903 {
 904         struct sd *sd = (struct sd *) gspca_dev;
 905
 906         sd->brightness = val;
 907         if (gspca_dev->streaming)
 908                 setbrightness(gspca_dev);
 909         return 0;
 910 }
 911
 912 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 913 {
 914         struct sd *sd = (struct sd *) gspca_dev;
 915
 916         *val = sd->brightness;
 917         return 0;
 918 }
 919
 920 /* rev 72a only */
 921 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 922 {
 923         struct sd *sd = (struct sd *) gspca_dev;
 924
 925         sd->contrast = val;
 926         if (gspca_dev->streaming)
 927                 setcontrast(gspca_dev);
 928         return 0;
 929 }
 930
 931 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 932 {
 933         struct sd *sd = (struct sd *) gspca_dev;
 934
 935         *val = sd->contrast;
 936         return 0;
 937 }
 938
 939 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
 940 {
 941         struct sd *sd = (struct sd *) gspca_dev;
 942
 943         sd->autogain = val;
 944         if (gspca_dev->streaming)
 945                 setautogain(gspca_dev);
 946         return 0;
 947 }
 948
 949 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
 950 {
 951         struct sd *sd = (struct sd *) gspca_dev;
 952
 953         *val = sd->autogain;
 954         return 0;
 955 }
 956
 957 static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val)
 958 {
 959         struct sd *sd = (struct sd *) gspca_dev;
 960
 961         sd->white = val;
 962         if (gspca_dev->streaming)
 963                 setwhite(gspca_dev);
 964         return 0;
 965 }
 966
 967 static int sd_getwhite(struct gspca_dev *gspca_dev, __s32 *val)
 968 {
 969         struct sd *sd = (struct sd *) gspca_dev;
 970
 971         *val = sd->white;
 972         return 0;
 973 }
 974
 975 /* rev12a only */
 976 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
 977 {
 978         struct sd *sd = (struct sd *) gspca_dev;
 979
 980         sd->exposure = val;
 981         if (gspca_dev->streaming)
 982                 setexposure(gspca_dev);
 983         return 0;
 984 }
 985
 986 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
 987 {
 988         struct sd *sd = (struct sd *) gspca_dev;
 989
 990         *val = sd->exposure;
 991         return 0;
 992 }
 993
 994 /* rev12a only */
 995 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
 996 {
 997         struct sd *sd = (struct sd *) gspca_dev;
 998
 999         sd->gain = val;
1000         if (gspca_dev->streaming)
1001                 setgain(gspca_dev);
1002         return 0;
1003 }
1004
1005 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1006 {
1007         struct sd *sd = (struct sd *) gspca_dev;
1008
1009         *val = sd->gain;
1010         return 0;
1011 }
1012
1013 /* control tables */
1014 static struct ctrl sd_ctrls_12a[] = {
1015         {
1016             {
1017                 .id = V4L2_CID_DO_WHITE_BALANCE,
1018                 .type = V4L2_CTRL_TYPE_INTEGER,
1019                 .name = "White Balance",
1020                 .minimum = WHITE_MIN,
1021                 .maximum = WHITE_MAX,
1022                 .step = 1,
1023                 .default_value = WHITE_DEF,
1024             },
1025             .set = sd_setwhite,
1026             .get = sd_getwhite,
1027         },
1028         {
1029             {
1030                 .id = V4L2_CID_EXPOSURE,
1031                 .type = V4L2_CTRL_TYPE_INTEGER,
1032                 .name = "Exposure",
1033                 .minimum = EXPOSURE_MIN,
1034                 .maximum = EXPOSURE_MAX,
1035                 .step = 1,
1036                 .default_value = EXPOSURE_DEF,
1037             },
1038             .set = sd_setexposure,
1039             .get = sd_getexposure,
1040         },
1041         {
1042             {
1043                 .id = V4L2_CID_AUTOGAIN,
1044                 .type = V4L2_CTRL_TYPE_BOOLEAN,
1045                 .name = "Auto Gain",
1046                 .minimum = AUTOGAIN_MIN,
1047                 .maximum = AUTOGAIN_MAX,
1048                 .step = 1,
1049                 .default_value = AUTOGAIN_DEF,
1050             },
1051             .set = sd_setautogain,
1052             .get = sd_getautogain,
1053         },
1054         {
1055             {
1056                 .id = V4L2_CID_GAIN,
1057                 .type = V4L2_CTRL_TYPE_INTEGER,
1058                 .name = "Gain",
1059                 .minimum = GAIN_MIN,
1060                 .maximum = GAIN_MAX,
1061                 .step = 1,
1062                 .default_value = GAIN_DEF,
1063             },
1064             .set = sd_setgain,
1065             .get = sd_getgain,
1066         },
1067 };
1068
1069 static struct ctrl sd_ctrls_72a[] = {
1070         {
1071             {
1072                 .id = V4L2_CID_DO_WHITE_BALANCE,
1073                 .type = V4L2_CTRL_TYPE_INTEGER,
1074                 .name = "White Balance",
1075                 .minimum = WHITE_MIN,
1076                 .maximum = WHITE_MAX,
1077                 .step = 1,
1078                 .default_value = WHITE_DEF,
1079             },
1080             .set = sd_setwhite,
1081             .get = sd_getwhite,
1082         },
1083         {
1084            {
1085                 .id = V4L2_CID_BRIGHTNESS,
1086                 .type = V4L2_CTRL_TYPE_INTEGER,
1087                 .name = "Brightness",
1088                 .minimum = BRIGHTNESS_MIN,
1089                 .maximum = BRIGHTNESS_MAX,
1090                 .step = 1,
1091                 .default_value = BRIGHTNESS_DEF,
1092             },
1093             .set = sd_setbrightness,
1094             .get = sd_getbrightness,
1095         },
1096         {
1097             {
1098                 .id = V4L2_CID_CONTRAST,
1099                 .type = V4L2_CTRL_TYPE_INTEGER,
1100                 .name = "Contrast",
1101                 .minimum = CONTRAST_MIN,
1102                 .maximum = CONTRAST_MAX,
1103                 .step = 1,
1104                 .default_value = CONTRAST_DEF,
1105             },
1106             .set = sd_setcontrast,
1107             .get = sd_getcontrast,
1108         },
1109         {
1110             {
1111                 .id = V4L2_CID_AUTOGAIN,
1112                 .type = V4L2_CTRL_TYPE_BOOLEAN,
1113                 .name = "Auto Gain",
1114                 .minimum = AUTOGAIN_MIN,
1115                 .maximum = AUTOGAIN_MAX,
1116                 .step = 1,
1117                 .default_value = AUTOGAIN_DEF,
1118             },
1119             .set = sd_setautogain,
1120             .get = sd_getautogain,
1121         },
1122 };
1123
1124 /* sub-driver description */
1125 static const struct sd_desc sd_desc_12a = {
1126         .name = MODULE_NAME,
1127         .ctrls = sd_ctrls_12a,
1128         .nctrls = ARRAY_SIZE(sd_ctrls_12a),
1129         .config = sd_config,
1130         .init = sd_init_12a,
1131         .start = sd_start_12a,
1132         .stopN = sd_stopN,
1133         .stop0 = sd_stop0,
1134         .pkt_scan = sd_pkt_scan,
1135 /*      .dq_callback = do_autogain,      * fixme */
1136 };
1137 static const struct sd_desc sd_desc_72a = {
1138         .name = MODULE_NAME,
1139         .ctrls = sd_ctrls_72a,
1140         .nctrls = ARRAY_SIZE(sd_ctrls_72a),
1141         .config = sd_config,
1142         .init = sd_init_72a,
1143         .start = sd_start_72a,
1144         .stopN = sd_stopN,
1145         .stop0 = sd_stop0,
1146         .pkt_scan = sd_pkt_scan,
1147         .dq_callback = do_autogain,
1148 };
1149 static const struct sd_desc *sd_desc[2] = {
1150         &sd_desc_12a,
1151         &sd_desc_72a
1152 };
1153
1154 /* -- module initialisation -- */
1155 static const __devinitdata struct usb_device_id device_table[] = {
1156         {USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
1157         {USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
1158         {USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
1159         {USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
1160         {USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
1161         {USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
1162         {USB_DEVICE(0x046d, 0x092b), .driver_info = Rev012A},
1163         {USB_DEVICE(0x046d, 0x092c), .driver_info = Rev012A},
1164         {USB_DEVICE(0x046d, 0x092d), .driver_info = Rev012A},
1165         {USB_DEVICE(0x046d, 0x092e), .driver_info = Rev012A},
1166         {USB_DEVICE(0x046d, 0x092f), .driver_info = Rev012A},
1167         {USB_DEVICE(0x04fc, 0x0561), .driver_info = Rev072A},
1168         {USB_DEVICE(0x060b, 0xa001), .driver_info = Rev072A},
1169         {USB_DEVICE(0x10fd, 0x7e50), .driver_info = Rev072A},
1170         {USB_DEVICE(0xabcd, 0xcdee), .driver_info = Rev072A},
1171         {}
1172 };
1173
1174 MODULE_DEVICE_TABLE(usb, device_table);
1175
1176 /* -- device connect -- */
1177 static int sd_probe(struct usb_interface *intf,
1178                     const struct usb_device_id *id)
1179 {
1180         return gspca_dev_probe(intf, id,
1181                                 sd_desc[id->driver_info],
1182                                 sizeof(struct sd),
1183                                THIS_MODULE);
1184 }
1185
1186 static struct usb_driver sd_driver = {
1187         .name = MODULE_NAME,
1188         .id_table = device_table,
1189         .probe = sd_probe,
1190         .disconnect = gspca_disconnect,
1191 #ifdef CONFIG_PM
1192         .suspend = gspca_suspend,
1193         .resume = gspca_resume,
1194 #endif
1195 };
1196
1197 /* -- module insert / remove -- */
1198 static int __init sd_mod_init(void)
1199 {
1200         if (usb_register(&sd_driver) < 0)
1201                 return -1;
1202         PDEBUG(D_PROBE, "registered");
1203         return 0;
1204 }
1205 static void __exit sd_mod_exit(void)
1206 {
1207         usb_deregister(&sd_driver);
1208         PDEBUG(D_PROBE, "deregistered");
1209 }
1210
1211 module_init(sd_mod_init);
1212 module_exit(sd_mod_exit);