SAFE public projects git trees. - safe/jmp/linux-2.6/blob - drivers/media/video/gspca/ov534.c

   1 /*
   2  * ov534-ov772x 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, hue, AWB control added
  14  *      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 MODULE_NAME "ov534"
  32
  33 #include "gspca.h"
  34
  35 #define OV534_REG_ADDRESS       0xf1    /* sensor address */
  36 #define OV534_REG_SUBADDR       0xf2
  37 #define OV534_REG_WRITE         0xf3
  38 #define OV534_REG_READ          0xf4
  39 #define OV534_REG_OPERATION     0xf5
  40 #define OV534_REG_STATUS        0xf6
  41
  42 #define OV534_OP_WRITE_3        0x37
  43 #define OV534_OP_WRITE_2        0x33
  44 #define OV534_OP_READ_2         0xf9
  45
  46 #define CTRL_TIMEOUT 500
  47
  48 MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>");
  49 MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver");
  50 MODULE_LICENSE("GPL");
  51
  52 /* specific webcam descriptor */
  53 struct sd {
  54         struct gspca_dev gspca_dev;     /* !! must be the first item */
  55         __u32 last_pts;
  56         u16 last_fid;
  57         u8 frame_rate;
  58
  59         u8 brightness;
  60         u8 contrast;
  61         u8 gain;
  62         u8 exposure;
  63         u8 redblc;
  64         u8 blueblc;
  65         u8 hue;
  66         u8 autogain;
  67         u8 awb;
  68         s8 sharpness;
  69         u8 hflip;
  70         u8 vflip;
  71
  72 };
  73
  74 /* V4L2 controls supported by the driver */
  75 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val);
  76 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val);
  77 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val);
  78 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val);
  79 static int sd_setredblc(struct gspca_dev *gspca_dev, __s32 val);
  80 static int sd_getredblc(struct gspca_dev *gspca_dev, __s32 *val);
  81 static int sd_setblueblc(struct gspca_dev *gspca_dev, __s32 val);
  82 static int sd_getblueblc(struct gspca_dev *gspca_dev, __s32 *val);
  83 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
  84 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);
  85 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val);
  86 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val);
  87 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val);
  88 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val);
  89 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val);
  90 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val);
  91 static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val);
  92 static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val);
  93 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val);
  94 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val);
  95 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  96 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  97 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
  98 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
  99
 100 static const struct ctrl sd_ctrls[] = {
 101     {                                                   /* 0 */
 102         {
 103                 .id      = V4L2_CID_BRIGHTNESS,
 104                 .type    = V4L2_CTRL_TYPE_INTEGER,
 105                 .name    = "Brightness",
 106                 .minimum = 0,
 107                 .maximum = 255,
 108                 .step    = 1,
 109 #define BRIGHTNESS_DEF 20
 110                 .default_value = BRIGHTNESS_DEF,
 111         },
 112         .set = sd_setbrightness,
 113         .get = sd_getbrightness,
 114     },
 115     {                                                   /* 1 */
 116         {
 117                 .id      = V4L2_CID_CONTRAST,
 118                 .type    = V4L2_CTRL_TYPE_INTEGER,
 119                 .name    = "Contrast",
 120                 .minimum = 0,
 121                 .maximum = 255,
 122                 .step    = 1,
 123 #define CONTRAST_DEF 37
 124                 .default_value = CONTRAST_DEF,
 125         },
 126         .set = sd_setcontrast,
 127         .get = sd_getcontrast,
 128     },
 129     {                                                   /* 2 */
 130         {
 131             .id      = V4L2_CID_GAIN,
 132             .type    = V4L2_CTRL_TYPE_INTEGER,
 133             .name    = "Main Gain",
 134             .minimum = 0,
 135             .maximum = 63,
 136             .step    = 1,
 137 #define GAIN_DEF 20
 138             .default_value = GAIN_DEF,
 139         },
 140         .set = sd_setgain,
 141         .get = sd_getgain,
 142     },
 143     {                                                   /* 3 */
 144         {
 145             .id      = V4L2_CID_EXPOSURE,
 146             .type    = V4L2_CTRL_TYPE_INTEGER,
 147             .name    = "Exposure",
 148             .minimum = 0,
 149             .maximum = 255,
 150             .step    = 1,
 151 #define EXPO_DEF 120
 152             .default_value = EXPO_DEF,
 153         },
 154         .set = sd_setexposure,
 155         .get = sd_getexposure,
 156     },
 157     {                                                   /* 4 */
 158         {
 159             .id      = V4L2_CID_RED_BALANCE,
 160             .type    = V4L2_CTRL_TYPE_INTEGER,
 161             .name    = "Red Balance",
 162             .minimum = 0,
 163             .maximum = 255,
 164             .step    = 1,
 165 #define RED_BALANCE_DEF 128
 166             .default_value = RED_BALANCE_DEF,
 167         },
 168         .set = sd_setredblc,
 169         .get = sd_getredblc,
 170     },
 171     {                                                   /* 5 */
 172         {
 173             .id      = V4L2_CID_BLUE_BALANCE,
 174             .type    = V4L2_CTRL_TYPE_INTEGER,
 175             .name    = "Blue Balance",
 176             .minimum = 0,
 177             .maximum = 255,
 178             .step    = 1,
 179 #define BLUE_BALANCE_DEF 128
 180             .default_value = BLUE_BALANCE_DEF,
 181         },
 182         .set = sd_setblueblc,
 183         .get = sd_getblueblc,
 184     },
 185     {                                                   /* 6 */
 186         {
 187                 .id      = V4L2_CID_HUE,
 188                 .type    = V4L2_CTRL_TYPE_INTEGER,
 189                 .name    = "Hue",
 190                 .minimum = 0,
 191                 .maximum = 255,
 192                 .step    = 1,
 193 #define HUE_DEF 143
 194                 .default_value = HUE_DEF,
 195         },
 196         .set = sd_sethue,
 197         .get = sd_gethue,
 198     },
 199     {                                                   /* 7 */
 200         {
 201             .id      = V4L2_CID_AUTOGAIN,
 202             .type    = V4L2_CTRL_TYPE_BOOLEAN,
 203             .name    = "Autogain",
 204             .minimum = 0,
 205             .maximum = 1,
 206             .step    = 1,
 207 #define AUTOGAIN_DEF 0
 208             .default_value = AUTOGAIN_DEF,
 209         },
 210         .set = sd_setautogain,
 211         .get = sd_getautogain,
 212     },
 213 #define AWB_IDX 8
 214     {                                                   /* 8 */
 215         {
 216                 .id      = V4L2_CID_AUTO_WHITE_BALANCE,
 217                 .type    = V4L2_CTRL_TYPE_BOOLEAN,
 218                 .name    = "Auto White Balance",
 219                 .minimum = 0,
 220                 .maximum = 1,
 221                 .step    = 1,
 222 #define AWB_DEF 0
 223                 .default_value = AWB_DEF,
 224         },
 225         .set = sd_setawb,
 226         .get = sd_getawb,
 227     },
 228     {                                                   /* 9 */
 229         {
 230             .id      = V4L2_CID_SHARPNESS,
 231             .type    = V4L2_CTRL_TYPE_INTEGER,
 232             .name    = "Sharpness",
 233             .minimum = 0,
 234             .maximum = 63,
 235             .step    = 1,
 236 #define SHARPNESS_DEF 0
 237             .default_value = SHARPNESS_DEF,
 238         },
 239         .set = sd_setsharpness,
 240         .get = sd_getsharpness,
 241     },
 242     {                                                   /* 10 */
 243         {
 244             .id      = V4L2_CID_HFLIP,
 245             .type    = V4L2_CTRL_TYPE_BOOLEAN,
 246             .name    = "HFlip",
 247             .minimum = 0,
 248             .maximum = 1,
 249             .step    = 1,
 250 #define HFLIP_DEF 0
 251             .default_value = HFLIP_DEF,
 252         },
 253         .set = sd_sethflip,
 254         .get = sd_gethflip,
 255     },
 256     {                                                   /* 11 */
 257         {
 258             .id      = V4L2_CID_VFLIP,
 259             .type    = V4L2_CTRL_TYPE_BOOLEAN,
 260             .name    = "VFlip",
 261             .minimum = 0,
 262             .maximum = 1,
 263             .step    = 1,
 264 #define VFLIP_DEF 0
 265             .default_value = VFLIP_DEF,
 266         },
 267         .set = sd_setvflip,
 268         .get = sd_getvflip,
 269     },
 270 };
 271
 272 static const struct v4l2_pix_format ov772x_mode[] = {
 273         {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
 274          .bytesperline = 320 * 2,
 275          .sizeimage = 320 * 240 * 2,
 276          .colorspace = V4L2_COLORSPACE_SRGB,
 277          .priv = 1},
 278         {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE,
 279          .bytesperline = 640 * 2,
 280          .sizeimage = 640 * 480 * 2,
 281          .colorspace = V4L2_COLORSPACE_SRGB,
 282          .priv = 0},
 283 };
 284
 285 static const u8 bridge_init[][2] = {
 286         { 0xc2, 0x0c },
 287         { 0x88, 0xf8 },
 288         { 0xc3, 0x69 },
 289         { 0x89, 0xff },
 290         { 0x76, 0x03 },
 291         { 0x92, 0x01 },
 292         { 0x93, 0x18 },
 293         { 0x94, 0x10 },
 294         { 0x95, 0x10 },
 295         { 0xe2, 0x00 },
 296         { 0xe7, 0x3e },
 297
 298         { 0x96, 0x00 },
 299
 300         { 0x97, 0x20 },
 301         { 0x97, 0x20 },
 302         { 0x97, 0x20 },
 303         { 0x97, 0x0a },
 304         { 0x97, 0x3f },
 305         { 0x97, 0x4a },
 306         { 0x97, 0x20 },
 307         { 0x97, 0x15 },
 308         { 0x97, 0x0b },
 309
 310         { 0x8e, 0x40 },
 311         { 0x1f, 0x81 },
 312         { 0x34, 0x05 },
 313         { 0xe3, 0x04 },
 314         { 0x88, 0x00 },
 315         { 0x89, 0x00 },
 316         { 0x76, 0x00 },
 317         { 0xe7, 0x2e },
 318         { 0x31, 0xf9 },
 319         { 0x25, 0x42 },
 320         { 0x21, 0xf0 },
 321
 322         { 0x1c, 0x00 },
 323         { 0x1d, 0x40 },
 324         { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */
 325         { 0x1d, 0x00 }, /* payload size */
 326
 327         { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */
 328         { 0x1d, 0x58 }, /* frame size */
 329         { 0x1d, 0x00 }, /* frame size */
 330
 331         { 0x1c, 0x0a },
 332         { 0x1d, 0x08 }, /* turn on UVC header */
 333         { 0x1d, 0x0e }, /* .. */
 334
 335         { 0x8d, 0x1c },
 336         { 0x8e, 0x80 },
 337         { 0xe5, 0x04 },
 338
 339         { 0xc0, 0x50 },
 340         { 0xc1, 0x3c },
 341         { 0xc2, 0x0c },
 342 };
 343 static const u8 sensor_init[][2] = {
 344         { 0x12, 0x80 },
 345         { 0x11, 0x01 },
 346 /*fixme: better have a delay?*/
 347         { 0x11, 0x01 },
 348         { 0x11, 0x01 },
 349         { 0x11, 0x01 },
 350         { 0x11, 0x01 },
 351         { 0x11, 0x01 },
 352         { 0x11, 0x01 },
 353         { 0x11, 0x01 },
 354         { 0x11, 0x01 },
 355         { 0x11, 0x01 },
 356         { 0x11, 0x01 },
 357
 358         { 0x3d, 0x03 },
 359         { 0x17, 0x26 },
 360         { 0x18, 0xa0 },
 361         { 0x19, 0x07 },
 362         { 0x1a, 0xf0 },
 363         { 0x32, 0x00 },
 364         { 0x29, 0xa0 },
 365         { 0x2c, 0xf0 },
 366         { 0x65, 0x20 },
 367         { 0x11, 0x01 },
 368         { 0x42, 0x7f },
 369         { 0x63, 0xaa },         /* AWB - was e0 */
 370         { 0x64, 0xff },
 371         { 0x66, 0x00 },
 372         { 0x13, 0xf0 },         /* com8 */
 373         { 0x0d, 0x41 },
 374         { 0x0f, 0xc5 },
 375         { 0x14, 0x11 },
 376
 377         { 0x22, 0x7f },
 378         { 0x23, 0x03 },
 379         { 0x24, 0x40 },
 380         { 0x25, 0x30 },
 381         { 0x26, 0xa1 },
 382         { 0x2a, 0x00 },
 383         { 0x2b, 0x00 },
 384         { 0x6b, 0xaa },
 385         { 0x13, 0xff },         /* AWB */
 386
 387         { 0x90, 0x05 },
 388         { 0x91, 0x01 },
 389         { 0x92, 0x03 },
 390         { 0x93, 0x00 },
 391         { 0x94, 0x60 },
 392         { 0x95, 0x3c },
 393         { 0x96, 0x24 },
 394         { 0x97, 0x1e },
 395         { 0x98, 0x62 },
 396         { 0x99, 0x80 },
 397         { 0x9a, 0x1e },
 398         { 0x9b, 0x08 },
 399         { 0x9c, 0x20 },
 400         { 0x9e, 0x81 },
 401
 402         { 0xa6, 0x04 },
 403         { 0x7e, 0x0c },
 404         { 0x7f, 0x16 },
 405         { 0x80, 0x2a },
 406         { 0x81, 0x4e },
 407         { 0x82, 0x61 },
 408         { 0x83, 0x6f },
 409         { 0x84, 0x7b },
 410         { 0x85, 0x86 },
 411         { 0x86, 0x8e },
 412         { 0x87, 0x97 },
 413         { 0x88, 0xa4 },
 414         { 0x89, 0xaf },
 415         { 0x8a, 0xc5 },
 416         { 0x8b, 0xd7 },
 417         { 0x8c, 0xe8 },
 418         { 0x8d, 0x20 },
 419
 420         { 0x0c, 0x90 },
 421
 422         { 0x2b, 0x00 },
 423         { 0x22, 0x7f },
 424         { 0x23, 0x03 },
 425         { 0x11, 0x01 },
 426         { 0x0c, 0xd0 },
 427         { 0x64, 0xff },
 428         { 0x0d, 0x41 },
 429
 430         { 0x14, 0x41 },
 431         { 0x0e, 0xcd },
 432         { 0xac, 0xbf },
 433         { 0x8e, 0x00 },         /* De-noise threshold */
 434         { 0x0c, 0xd0 }
 435 };
 436 static const u8 bridge_start_vga[][2] = {
 437         {0x1c, 0x00},
 438         {0x1d, 0x40},
 439         {0x1d, 0x02},
 440         {0x1d, 0x00},
 441         {0x1d, 0x02},
 442         {0x1d, 0x58},
 443         {0x1d, 0x00},
 444         {0xc0, 0x50},
 445         {0xc1, 0x3c},
 446 };
 447 static const u8 sensor_start_vga[][2] = {
 448         {0x12, 0x00},
 449         {0x17, 0x26},
 450         {0x18, 0xa0},
 451         {0x19, 0x07},
 452         {0x1a, 0xf0},
 453         {0x29, 0xa0},
 454         {0x2c, 0xf0},
 455         {0x65, 0x20},
 456 };
 457 static const u8 bridge_start_qvga[][2] = {
 458         {0x1c, 0x00},
 459         {0x1d, 0x40},
 460         {0x1d, 0x02},
 461         {0x1d, 0x00},
 462         {0x1d, 0x01},
 463         {0x1d, 0x4b},
 464         {0x1d, 0x00},
 465         {0xc0, 0x28},
 466         {0xc1, 0x1e},
 467 };
 468 static const u8 sensor_start_qvga[][2] = {
 469         {0x12, 0x40},
 470         {0x17, 0x3f},
 471         {0x18, 0x50},
 472         {0x19, 0x03},
 473         {0x1a, 0x78},
 474         {0x29, 0x50},
 475         {0x2c, 0x78},
 476         {0x65, 0x2f},
 477 };
 478
 479 static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val)
 480 {
 481         struct usb_device *udev = gspca_dev->dev;
 482         int ret;
 483
 484         PDEBUG(D_USBO, "reg=0x%04x, val=0%02x", reg, val);
 485         gspca_dev->usb_buf[0] = val;
 486         ret = usb_control_msg(udev,
 487                               usb_sndctrlpipe(udev, 0),
 488                               0x01,
 489                               USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 490                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 491         if (ret < 0)
 492                 PDEBUG(D_ERR, "write failed");
 493 }
 494
 495 static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 496 {
 497         struct usb_device *udev = gspca_dev->dev;
 498         int ret;
 499
 500         ret = usb_control_msg(udev,
 501                               usb_rcvctrlpipe(udev, 0),
 502                               0x01,
 503                               USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 504                               0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT);
 505         PDEBUG(D_USBI, "reg=0x%04x, data=0x%02x", reg, gspca_dev->usb_buf[0]);
 506         if (ret < 0)
 507                 PDEBUG(D_ERR, "read failed");
 508         return gspca_dev->usb_buf[0];
 509 }
 510
 511 /* Two bits control LED: 0x21 bit 7 and 0x23 bit 7.
 512  * (direction and output)? */
 513 static void ov534_set_led(struct gspca_dev *gspca_dev, int status)
 514 {
 515         u8 data;
 516
 517         PDEBUG(D_CONF, "led status: %d", status);
 518
 519         data = ov534_reg_read(gspca_dev, 0x21);
 520         data |= 0x80;
 521         ov534_reg_write(gspca_dev, 0x21, data);
 522
 523         data = ov534_reg_read(gspca_dev, 0x23);
 524         if (status)
 525                 data |= 0x80;
 526         else
 527                 data &= ~0x80;
 528
 529         ov534_reg_write(gspca_dev, 0x23, data);
 530
 531         if (!status) {
 532                 data = ov534_reg_read(gspca_dev, 0x21);
 533                 data &= ~0x80;
 534                 ov534_reg_write(gspca_dev, 0x21, data);
 535         }
 536 }
 537
 538 static int sccb_check_status(struct gspca_dev *gspca_dev)
 539 {
 540         u8 data;
 541         int i;
 542
 543         for (i = 0; i < 5; i++) {
 544                 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS);
 545
 546                 switch (data) {
 547                 case 0x00:
 548                         return 1;
 549                 case 0x04:
 550                         return 0;
 551                 case 0x03:
 552                         break;
 553                 default:
 554                         PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5",
 555                                data, i + 1);
 556                 }
 557         }
 558         return 0;
 559 }
 560
 561 static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val)
 562 {
 563         PDEBUG(D_USBO, "reg: 0x%02x, val: 0x%02x", reg, val);
 564         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 565         ov534_reg_write(gspca_dev, OV534_REG_WRITE, val);
 566         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3);
 567
 568         if (!sccb_check_status(gspca_dev))
 569                 PDEBUG(D_ERR, "sccb_reg_write failed");
 570 }
 571
 572 static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg)
 573 {
 574         ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg);
 575         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2);
 576         if (!sccb_check_status(gspca_dev))
 577                 PDEBUG(D_ERR, "sccb_reg_read failed 1");
 578
 579         ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2);
 580         if (!sccb_check_status(gspca_dev))
 581                 PDEBUG(D_ERR, "sccb_reg_read failed 2");
 582
 583         return ov534_reg_read(gspca_dev, OV534_REG_READ);
 584 }
 585
 586 /* output a bridge sequence (reg - val) */
 587 static void reg_w_array(struct gspca_dev *gspca_dev,
 588                         const u8 (*data)[2], int len)
 589 {
 590         while (--len >= 0) {
 591                 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 592                 data++;
 593         }
 594 }
 595
 596 /* output a sensor sequence (reg - val) */
 597 static void sccb_w_array(struct gspca_dev *gspca_dev,
 598                         const u8 (*data)[2], int len)
 599 {
 600         while (--len >= 0) {
 601                 if ((*data)[0] != 0xff) {
 602                         sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]);
 603                 } else {
 604                         sccb_reg_read(gspca_dev, (*data)[1]);
 605                         sccb_reg_write(gspca_dev, 0xff, 0x00);
 606                 }
 607                 data++;
 608         }
 609 }
 610
 611 /* ov772x specific controls */
 612 static void set_frame_rate(struct gspca_dev *gspca_dev)
 613 {
 614         struct sd *sd = (struct sd *) gspca_dev;
 615         int i;
 616         struct rate_s {
 617                 u8 fps;
 618                 u8 r11;
 619                 u8 r0d;
 620                 u8 re5;
 621         };
 622         const struct rate_s *r;
 623         static const struct rate_s rate_0[] = { /* 640x480 */
 624                 {60, 0x01, 0xc1, 0x04},
 625                 {50, 0x01, 0x41, 0x02},
 626                 {40, 0x02, 0xc1, 0x04},
 627                 {30, 0x04, 0x81, 0x02},
 628                 {15, 0x03, 0x41, 0x04},
 629         };
 630         static const struct rate_s rate_1[] = { /* 320x240 */
 631                 {125, 0x02, 0x81, 0x02},
 632                 {100, 0x02, 0xc1, 0x04},
 633                 {75, 0x03, 0xc1, 0x04},
 634                 {60, 0x04, 0xc1, 0x04},
 635                 {50, 0x02, 0x41, 0x04},
 636                 {40, 0x03, 0x41, 0x04},
 637                 {30, 0x04, 0x41, 0x04},
 638         };
 639
 640         if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) {
 641                 r = rate_0;
 642                 i = ARRAY_SIZE(rate_0);
 643         } else {
 644                 r = rate_1;
 645                 i = ARRAY_SIZE(rate_1);
 646         }
 647         while (--i > 0) {
 648                 if (sd->frame_rate >= r->fps)
 649                         break;
 650                 r++;
 651         }
 652
 653         sccb_reg_write(gspca_dev, 0x11, r->r11);
 654         sccb_reg_write(gspca_dev, 0x0d, r->r0d);
 655         ov534_reg_write(gspca_dev, 0xe5, r->re5);
 656
 657         PDEBUG(D_PROBE, "frame_rate: %d", r->fps);
 658 }
 659
 660 static void setbrightness(struct gspca_dev *gspca_dev)
 661 {
 662         struct sd *sd = (struct sd *) gspca_dev;
 663
 664         sccb_reg_write(gspca_dev, 0x9B, sd->brightness);
 665 }
 666
 667 static void setcontrast(struct gspca_dev *gspca_dev)
 668 {
 669         struct sd *sd = (struct sd *) gspca_dev;
 670
 671         sccb_reg_write(gspca_dev, 0x9C, sd->contrast);
 672 }
 673
 674 static void setgain(struct gspca_dev *gspca_dev)
 675 {
 676         struct sd *sd = (struct sd *) gspca_dev;
 677         u8 val;
 678
 679         val = sd->gain;
 680         switch (val & 0x30) {
 681         case 0x00:
 682                 val &= 0x0f;
 683                 break;
 684         case 0x10:
 685                 val &= 0x0f;
 686                 val |= 0x30;
 687                 break;
 688         case 0x20:
 689                 val &= 0x0f;
 690                 val |= 0x70;
 691                 break;
 692         default:
 693 /*      case 0x30: */
 694                 val &= 0x0f;
 695                 val |= 0xf0;
 696                 break;
 697         }
 698         sccb_reg_write(gspca_dev, 0x00, val);
 699 }
 700
 701 static void setexposure(struct gspca_dev *gspca_dev)
 702 {
 703         struct sd *sd = (struct sd *) gspca_dev;
 704         u8 val;
 705
 706         val = sd->exposure;
 707         sccb_reg_write(gspca_dev, 0x08, val >> 7);
 708         sccb_reg_write(gspca_dev, 0x10, val << 1);
 709 }
 710
 711 static void setredblc(struct gspca_dev *gspca_dev)
 712 {
 713         struct sd *sd = (struct sd *) gspca_dev;
 714
 715         sccb_reg_write(gspca_dev, 0x43, sd->redblc);
 716 }
 717
 718 static void setblueblc(struct gspca_dev *gspca_dev)
 719 {
 720         struct sd *sd = (struct sd *) gspca_dev;
 721
 722         sccb_reg_write(gspca_dev, 0x42, sd->blueblc);
 723 }
 724
 725 static void sethue(struct gspca_dev *gspca_dev)
 726 {
 727         struct sd *sd = (struct sd *) gspca_dev;
 728
 729         sccb_reg_write(gspca_dev, 0x01, sd->hue);
 730 }
 731
 732 static void setautogain(struct gspca_dev *gspca_dev)
 733 {
 734         struct sd *sd = (struct sd *) gspca_dev;
 735
 736         if (sd->autogain) {
 737                 sccb_reg_write(gspca_dev, 0x13, 0xf7); /* AGC,AEC,AWB ON */
 738                 sccb_reg_write(gspca_dev, 0x64,
 739                                 sccb_reg_read(gspca_dev, 0x64) | 0x03);
 740         } else {
 741                 sccb_reg_write(gspca_dev, 0x13, 0xf0); /* AGC,AEC,AWB OFF */
 742                 sccb_reg_write(gspca_dev, 0x64,
 743                                 sccb_reg_read(gspca_dev, 0x64) & 0xfc);
 744         }
 745 }
 746
 747 static void setawb(struct gspca_dev *gspca_dev)
 748 {
 749         struct sd *sd = (struct sd *) gspca_dev;
 750
 751         if (sd->awb)
 752                 sccb_reg_write(gspca_dev, 0x63, 0xe0);  /* AWB on */
 753         else
 754                 sccb_reg_write(gspca_dev, 0x63, 0xaa);  /* AWB off */
 755 }
 756
 757 static void setsharpness(struct gspca_dev *gspca_dev)
 758 {
 759         struct sd *sd = (struct sd *) gspca_dev;
 760         u8 val;
 761
 762         val = sd->sharpness;
 763         sccb_reg_write(gspca_dev, 0x91, val);   /* vga noise */
 764         sccb_reg_write(gspca_dev, 0x8e, val);   /* qvga noise */
 765 }
 766
 767 static void sethflip(struct gspca_dev *gspca_dev)
 768 {
 769         struct sd *sd = (struct sd *) gspca_dev;
 770
 771         if (sd->hflip == 0)
 772                 sccb_reg_write(gspca_dev, 0x0c,
 773                                 sccb_reg_read(gspca_dev, 0x0c) | 0x40);
 774         else
 775                 sccb_reg_write(gspca_dev, 0x0c,
 776                                 sccb_reg_read(gspca_dev, 0x0c) & 0xbf);
 777 }
 778
 779 static void setvflip(struct gspca_dev *gspca_dev)
 780 {
 781         struct sd *sd = (struct sd *) gspca_dev;
 782
 783         if (sd->vflip == 0)
 784                 sccb_reg_write(gspca_dev, 0x0c,
 785                                 sccb_reg_read(gspca_dev, 0x0c) | 0x80);
 786         else
 787                 sccb_reg_write(gspca_dev, 0x0c,
 788                                 sccb_reg_read(gspca_dev, 0x0c) & 0x7f);
 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         cam = &gspca_dev->cam;
 799
 800         cam->cam_mode = ov772x_mode;
 801         cam->nmodes = ARRAY_SIZE(ov772x_mode);
 802
 803         cam->bulk = 1;
 804         cam->bulk_size = 16384;
 805         cam->bulk_nurbs = 2;
 806
 807         sd->frame_rate = 30;
 808
 809         sd->brightness = BRIGHTNESS_DEF;
 810         sd->contrast = CONTRAST_DEF;
 811         sd->gain = GAIN_DEF;
 812         sd->exposure = EXPO_DEF;
 813         sd->redblc = RED_BALANCE_DEF;
 814         sd->blueblc = BLUE_BALANCE_DEF;
 815         sd->hue = HUE_DEF;
 816 #if AUTOGAIN_DEF != 0
 817         sd->autogain = AUTOGAIN_DEF;
 818 #else
 819         gspca_dev->ctrl_inac |= (1 << AWB_IDX);
 820 #endif
 821 #if AWB_DEF != 0
 822         sd->awb = AWB_DEF
 823 #endif
 824 #if SHARPNESS_DEF != 0
 825         sd->sharpness = SHARPNESS_DEF;
 826 #endif
 827 #if HFLIP_DEF != 0
 828         sd->hflip = HFLIP_DEF;
 829 #endif
 830 #if VFLIP_DEF != 0
 831         sd->vflip = VFLIP_DEF;
 832 #endif
 833
 834         return 0;
 835 }
 836
 837 /* this function is called at probe and resume time */
 838 static int sd_init(struct gspca_dev *gspca_dev)
 839 {
 840         u16 sensor_id;
 841
 842         /* reset bridge */
 843         ov534_reg_write(gspca_dev, 0xe7, 0x3a);
 844         ov534_reg_write(gspca_dev, 0xe0, 0x08);
 845         msleep(100);
 846
 847         /* initialize the sensor address */
 848         ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42);
 849
 850         /* reset sensor */
 851         sccb_reg_write(gspca_dev, 0x12, 0x80);
 852         msleep(10);
 853
 854         /* probe the sensor */
 855         sccb_reg_read(gspca_dev, 0x0a);
 856         sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8;
 857         sccb_reg_read(gspca_dev, 0x0b);
 858         sensor_id |= sccb_reg_read(gspca_dev, 0x0b);
 859         PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id);
 860
 861         /* initialize */
 862         reg_w_array(gspca_dev, bridge_init,
 863                         ARRAY_SIZE(bridge_init));
 864         ov534_set_led(gspca_dev, 1);
 865         sccb_w_array(gspca_dev, sensor_init,
 866                         ARRAY_SIZE(sensor_init));
 867         ov534_reg_write(gspca_dev, 0xe0, 0x09);
 868         ov534_set_led(gspca_dev, 0);
 869         set_frame_rate(gspca_dev);
 870
 871         return 0;
 872 }
 873
 874 static int sd_start(struct gspca_dev *gspca_dev)
 875 {
 876         int mode;
 877
 878         mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
 879         if (mode != 0) {        /* 320x240 */
 880                 reg_w_array(gspca_dev, bridge_start_qvga,
 881                                 ARRAY_SIZE(bridge_start_qvga));
 882                 sccb_w_array(gspca_dev, sensor_start_qvga,
 883                                 ARRAY_SIZE(sensor_start_qvga));
 884         } else {                /* 640x480 */
 885                 reg_w_array(gspca_dev, bridge_start_vga,
 886                                 ARRAY_SIZE(bridge_start_vga));
 887                 sccb_w_array(gspca_dev, sensor_start_vga,
 888                                 ARRAY_SIZE(sensor_start_vga));
 889         }
 890         set_frame_rate(gspca_dev);
 891
 892         setautogain(gspca_dev);
 893         setawb(gspca_dev);
 894         setgain(gspca_dev);
 895         setredblc(gspca_dev);
 896         setblueblc(gspca_dev);
 897         sethue(gspca_dev);
 898         setexposure(gspca_dev);
 899         setbrightness(gspca_dev);
 900         setcontrast(gspca_dev);
 901         setsharpness(gspca_dev);
 902         setvflip(gspca_dev);
 903         sethflip(gspca_dev);
 904
 905         ov534_set_led(gspca_dev, 1);
 906         ov534_reg_write(gspca_dev, 0xe0, 0x00);
 907         return 0;
 908 }
 909
 910 static void sd_stopN(struct gspca_dev *gspca_dev)
 911 {
 912         ov534_reg_write(gspca_dev, 0xe0, 0x09);
 913         ov534_set_led(gspca_dev, 0);
 914 }
 915
 916 /* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */
 917 #define UVC_STREAM_EOH  (1 << 7)
 918 #define UVC_STREAM_ERR  (1 << 6)
 919 #define UVC_STREAM_STI  (1 << 5)
 920 #define UVC_STREAM_RES  (1 << 4)
 921 #define UVC_STREAM_SCR  (1 << 3)
 922 #define UVC_STREAM_PTS  (1 << 2)
 923 #define UVC_STREAM_EOF  (1 << 1)
 924 #define UVC_STREAM_FID  (1 << 0)
 925
 926 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 927                         u8 *data, int len)
 928 {
 929         struct sd *sd = (struct sd *) gspca_dev;
 930         __u32 this_pts;
 931         u16 this_fid;
 932         int remaining_len = len;
 933
 934         do {
 935                 len = min(remaining_len, 2048);
 936
 937                 /* Payloads are prefixed with a UVC-style header.  We
 938                    consider a frame to start when the FID toggles, or the PTS
 939                    changes.  A frame ends when EOF is set, and we've received
 940                    the correct number of bytes. */
 941
 942                 /* Verify UVC header.  Header length is always 12 */
 943                 if (data[0] != 12 || len < 12) {
 944                         PDEBUG(D_PACK, "bad header");
 945                         goto discard;
 946                 }
 947
 948                 /* Check errors */
 949                 if (data[1] & UVC_STREAM_ERR) {
 950                         PDEBUG(D_PACK, "payload error");
 951                         goto discard;
 952                 }
 953
 954                 /* Extract PTS and FID */
 955                 if (!(data[1] & UVC_STREAM_PTS)) {
 956                         PDEBUG(D_PACK, "PTS not present");
 957                         goto discard;
 958                 }
 959                 this_pts = (data[5] << 24) | (data[4] << 16)
 960                                                 | (data[3] << 8) | data[2];
 961                 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0;
 962
 963                 /* If PTS or FID has changed, start a new frame. */
 964                 if (this_pts != sd->last_pts || this_fid != sd->last_fid) {
 965                         if (gspca_dev->last_packet_type == INTER_PACKET)
 966                                 gspca_frame_add(gspca_dev, LAST_PACKET,
 967                                                 NULL, 0);
 968                         sd->last_pts = this_pts;
 969                         sd->last_fid = this_fid;
 970                         gspca_frame_add(gspca_dev, FIRST_PACKET,
 971                                         data + 12, len - 12);
 972                 /* If this packet is marked as EOF, end the frame */
 973                 } else if (data[1] & UVC_STREAM_EOF) {
 974                         struct gspca_frame *frame;
 975
 976                         sd->last_pts = 0;
 977                         frame = gspca_get_i_frame(gspca_dev);
 978                         if (frame == NULL)
 979                                 goto discard;
 980                         if (frame->data_end - frame->data !=
 981                             gspca_dev->width * gspca_dev->height * 2) {
 982                                 PDEBUG(D_PACK, "short frame");
 983                                 goto discard;
 984                         }
 985                         gspca_frame_add(gspca_dev, LAST_PACKET,
 986                                         data + 12, len - 12);
 987                 } else {
 988
 989                         /* Add the data from this payload */
 990                         gspca_frame_add(gspca_dev, INTER_PACKET,
 991                                         data + 12, len - 12);
 992                 }
 993
 994                 /* Done this payload */
 995                 goto scan_next;
 996
 997 discard:
 998                 /* Discard data until a new frame starts. */
 999                 gspca_dev->last_packet_type = DISCARD_PACKET;
1000
1001 scan_next:
1002                 remaining_len -= len;
1003                 data += len;
1004         } while (remaining_len > 0);
1005 }
1006
1007 /* controls */
1008 static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val)
1009 {
1010         struct sd *sd = (struct sd *) gspca_dev;
1011
1012         sd->gain = val;
1013         if (gspca_dev->streaming)
1014                 setgain(gspca_dev);
1015         return 0;
1016 }
1017
1018 static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val)
1019 {
1020         struct sd *sd = (struct sd *) gspca_dev;
1021
1022         *val = sd->gain;
1023         return 0;
1024 }
1025
1026 static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val)
1027 {
1028         struct sd *sd = (struct sd *) gspca_dev;
1029
1030         sd->exposure = val;
1031         if (gspca_dev->streaming)
1032                 setexposure(gspca_dev);
1033         return 0;
1034 }
1035
1036 static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val)
1037 {
1038         struct sd *sd = (struct sd *) gspca_dev;
1039
1040         *val = sd->exposure;
1041         return 0;
1042 }
1043
1044 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
1045 {
1046         struct sd *sd = (struct sd *) gspca_dev;
1047
1048         sd->brightness = val;
1049         if (gspca_dev->streaming)
1050                 setbrightness(gspca_dev);
1051         return 0;
1052 }
1053
1054 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
1055 {
1056         struct sd *sd = (struct sd *) gspca_dev;
1057
1058         *val = sd->brightness;
1059         return 0;
1060 }
1061
1062 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
1063 {
1064         struct sd *sd = (struct sd *) gspca_dev;
1065
1066         sd->contrast = val;
1067         if (gspca_dev->streaming)
1068                 setcontrast(gspca_dev);
1069         return 0;
1070 }
1071
1072 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
1073 {
1074         struct sd *sd = (struct sd *) gspca_dev;
1075
1076         *val = sd->contrast;
1077         return 0;
1078 }
1079
1080 static int sd_setredblc(struct gspca_dev *gspca_dev, __s32 val)
1081 {
1082         struct sd *sd = (struct sd *) gspca_dev;
1083
1084         sd->redblc = val;
1085         if (gspca_dev->streaming)
1086                 setredblc(gspca_dev);
1087         return 0;
1088 }
1089
1090 static int sd_getredblc(struct gspca_dev *gspca_dev, __s32 *val)
1091 {
1092         struct sd *sd = (struct sd *) gspca_dev;
1093
1094         *val = sd->redblc;
1095         return 0;
1096 }
1097
1098 static int sd_setblueblc(struct gspca_dev *gspca_dev, __s32 val)
1099 {
1100         struct sd *sd = (struct sd *) gspca_dev;
1101
1102         sd->blueblc = val;
1103         if (gspca_dev->streaming)
1104                 setblueblc(gspca_dev);
1105         return 0;
1106 }
1107
1108 static int sd_getblueblc(struct gspca_dev *gspca_dev, __s32 *val)
1109 {
1110         struct sd *sd = (struct sd *) gspca_dev;
1111
1112         *val = sd->blueblc;
1113         return 0;
1114 }
1115
1116 static int sd_sethue(struct gspca_dev *gspca_dev, __s32 val)
1117 {
1118         struct sd *sd = (struct sd *) gspca_dev;
1119
1120         sd->hue = val;
1121         if (gspca_dev->streaming)
1122                 sethue(gspca_dev);
1123         return 0;
1124 }
1125
1126 static int sd_gethue(struct gspca_dev *gspca_dev, __s32 *val)
1127 {
1128         struct sd *sd = (struct sd *) gspca_dev;
1129
1130         *val = sd->hue;
1131         return 0;
1132 }
1133
1134 static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
1135 {
1136         struct sd *sd = (struct sd *) gspca_dev;
1137
1138         sd->autogain = val;
1139
1140         if (gspca_dev->streaming) {
1141
1142                 /* the auto white balance control works only
1143                  * when auto gain is set */
1144                 if (val)
1145                         gspca_dev->ctrl_inac &= ~(1 << AWB_IDX);
1146                 else
1147                         gspca_dev->ctrl_inac |= (1 << AWB_IDX);
1148                 setautogain(gspca_dev);
1149         }
1150         return 0;
1151 }
1152
1153 static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
1154 {
1155         struct sd *sd = (struct sd *) gspca_dev;
1156
1157         *val = sd->autogain;
1158         return 0;
1159 }
1160
1161 static int sd_setawb(struct gspca_dev *gspca_dev, __s32 val)
1162 {
1163         struct sd *sd = (struct sd *) gspca_dev;
1164
1165         sd->awb = val;
1166         if (gspca_dev->streaming)
1167                 setawb(gspca_dev);
1168         return 0;
1169 }
1170
1171 static int sd_getawb(struct gspca_dev *gspca_dev, __s32 *val)
1172 {
1173         struct sd *sd = (struct sd *) gspca_dev;
1174
1175         *val = sd->awb;
1176         return 0;
1177 }
1178
1179 static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val)
1180 {
1181         struct sd *sd = (struct sd *) gspca_dev;
1182
1183         sd->sharpness = val;
1184         if (gspca_dev->streaming)
1185                 setsharpness(gspca_dev);
1186         return 0;
1187 }
1188
1189 static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val)
1190 {
1191         struct sd *sd = (struct sd *) gspca_dev;
1192
1193         *val = sd->sharpness;
1194         return 0;
1195 }
1196
1197 static int sd_sethflip(struct gspca_dev *gspca_dev, __s32 val)
1198 {
1199         struct sd *sd = (struct sd *) gspca_dev;
1200
1201         sd->hflip = val;
1202         if (gspca_dev->streaming)
1203                 sethflip(gspca_dev);
1204         return 0;
1205 }
1206
1207 static int sd_gethflip(struct gspca_dev *gspca_dev, __s32 *val)
1208 {
1209         struct sd *sd = (struct sd *) gspca_dev;
1210
1211         *val = sd->hflip;
1212         return 0;
1213 }
1214
1215 static int sd_setvflip(struct gspca_dev *gspca_dev, __s32 val)
1216 {
1217         struct sd *sd = (struct sd *) gspca_dev;
1218
1219         sd->vflip = val;
1220         if (gspca_dev->streaming)
1221                 setvflip(gspca_dev);
1222         return 0;
1223 }
1224
1225 static int sd_getvflip(struct gspca_dev *gspca_dev, __s32 *val)
1226 {
1227         struct sd *sd = (struct sd *) gspca_dev;
1228
1229         *val = sd->vflip;
1230         return 0;
1231 }
1232
1233 /* get stream parameters (framerate) */
1234 static int sd_get_streamparm(struct gspca_dev *gspca_dev,
1235                              struct v4l2_streamparm *parm)
1236 {
1237         struct v4l2_captureparm *cp = &parm->parm.capture;
1238         struct v4l2_fract *tpf = &cp->timeperframe;
1239         struct sd *sd = (struct sd *) gspca_dev;
1240
1241         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1242                 return -EINVAL;
1243
1244         cp->capability |= V4L2_CAP_TIMEPERFRAME;
1245         tpf->numerator = 1;
1246         tpf->denominator = sd->frame_rate;
1247
1248         return 0;
1249 }
1250
1251 /* set stream parameters (framerate) */
1252 static int sd_set_streamparm(struct gspca_dev *gspca_dev,
1253                              struct v4l2_streamparm *parm)
1254 {
1255         struct v4l2_captureparm *cp = &parm->parm.capture;
1256         struct v4l2_fract *tpf = &cp->timeperframe;
1257         struct sd *sd = (struct sd *) gspca_dev;
1258
1259         if (parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
1260                 return -EINVAL;
1261
1262         /* Set requested framerate */
1263         sd->frame_rate = tpf->denominator / tpf->numerator;
1264         if (gspca_dev->streaming)
1265                 set_frame_rate(gspca_dev);
1266
1267         /* Return the actual framerate */
1268         tpf->numerator = 1;
1269         tpf->denominator = sd->frame_rate;
1270
1271         return 0;
1272 }
1273
1274 /* sub-driver description */
1275 static const struct sd_desc sd_desc = {
1276         .name     = MODULE_NAME,
1277         .ctrls    = sd_ctrls,
1278         .nctrls   = ARRAY_SIZE(sd_ctrls),
1279         .config   = sd_config,
1280         .init     = sd_init,
1281         .start    = sd_start,
1282         .stopN    = sd_stopN,
1283         .pkt_scan = sd_pkt_scan,
1284         .get_streamparm = sd_get_streamparm,
1285         .set_streamparm = sd_set_streamparm,
1286 };
1287
1288 /* -- module initialisation -- */
1289 static const __devinitdata struct usb_device_id device_table[] = {
1290         {USB_DEVICE(0x1415, 0x2000)},
1291         {}
1292 };
1293
1294 MODULE_DEVICE_TABLE(usb, device_table);
1295
1296 /* -- device connect -- */
1297 static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id)
1298 {
1299         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
1300                                 THIS_MODULE);
1301 }
1302
1303 static struct usb_driver sd_driver = {
1304         .name       = MODULE_NAME,
1305         .id_table   = device_table,
1306         .probe      = sd_probe,
1307         .disconnect = gspca_disconnect,
1308 #ifdef CONFIG_PM
1309         .suspend    = gspca_suspend,
1310         .resume     = gspca_resume,
1311 #endif
1312 };
1313
1314 /* -- module insert / remove -- */
1315 static int __init sd_mod_init(void)
1316 {
1317         int ret;
1318
1319         ret = usb_register(&sd_driver);
1320         if (ret < 0)
1321                 return ret;
1322         PDEBUG(D_PROBE, "registered");
1323         return 0;
1324 }
1325
1326 static void __exit sd_mod_exit(void)
1327 {
1328         usb_deregister(&sd_driver);
1329         PDEBUG(D_PROBE, "deregistered");
1330 }
1331
1332 module_init(sd_mod_init);
1333 module_exit(sd_mod_exit);