drivers/media/video/gspca/tv8532.c

   1 /*
   2  * Quickcam cameras initialization data
   3  *
   4  * V4L2 by Jean-Francois Moine <http://moinejf.free.fr>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19  *
  20  */
  21 #define MODULE_NAME "tv8532"
  22
  23 #include "gspca.h"
  24
  25 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  26 MODULE_DESCRIPTION("TV8532 USB Camera Driver");
  27 MODULE_LICENSE("GPL");
  28
  29 /* specific webcam descriptor */
  30 struct sd {
  31         struct gspca_dev gspca_dev;     /* !! must be the first item */
  32
  33         __u16 brightness;
  34         __u16 contrast;
  35
  36         __u8 packet;
  37 };
  38
  39 /* V4L2 controls supported by the driver */
  40 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  41 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  42 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
  43 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
  44
  45 static struct ctrl sd_ctrls[] = {
  46 #define SD_BRIGHTNESS 0
  47         {
  48          {
  49           .id = V4L2_CID_BRIGHTNESS,
  50           .type = V4L2_CTRL_TYPE_INTEGER,
  51           .name = "Brightness",
  52           .minimum = 1,
  53           .maximum = 0x2ff,
  54           .step = 1,
  55           .default_value = 0x18f,
  56           },
  57          .set = sd_setbrightness,
  58          .get = sd_getbrightness,
  59          },
  60 #define SD_CONTRAST 1
  61         {
  62          {
  63           .id = V4L2_CID_CONTRAST,
  64           .type = V4L2_CTRL_TYPE_INTEGER,
  65           .name = "Contrast",
  66           .minimum = 0,
  67           .maximum = 0xffff,
  68           .step = 1,
  69           .default_value = 0x7fff,
  70           },
  71          .set = sd_setcontrast,
  72          .get = sd_getcontrast,
  73          },
  74 };
  75
  76 static const struct v4l2_pix_format sif_mode[] = {
  77         {176, 144, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
  78                 .bytesperline = 176,
  79                 .sizeimage = 176 * 144,
  80                 .colorspace = V4L2_COLORSPACE_SRGB,
  81                 .priv = 1},
  82         {352, 288, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
  83                 .bytesperline = 352,
  84                 .sizeimage = 352 * 288,
  85                 .colorspace = V4L2_COLORSPACE_SRGB,
  86                 .priv = 0},
  87 };
  88
  89 /*
  90  * Initialization data: this is the first set-up data written to the
  91  * device (before the open data).
  92  */
  93 #define TESTCLK 0x10            /* reg 0x2c -> 0x12 //10 */
  94 #define TESTCOMP 0x90           /* reg 0x28 -> 0x80 */
  95 #define TESTLINE 0x81           /* reg 0x29 -> 0x81 */
  96 #define QCIFLINE 0x41           /* reg 0x29 -> 0x81 */
  97 #define TESTPTL 0x14            /* reg 0x2D -> 0x14 */
  98 #define TESTPTH 0x01            /* reg 0x2E -> 0x01 */
  99 #define TESTPTBL 0x12           /* reg 0x2F -> 0x0a */
 100 #define TESTPTBH 0x01           /* reg 0x30 -> 0x01 */
 101 #define ADWIDTHL 0xe8           /* reg 0x0c -> 0xe8 */
 102 #define ADWIDTHH 0x03           /* reg 0x0d -> 0x03 */
 103 #define ADHEIGHL 0x90           /* reg 0x0e -> 0x91 //93 */
 104 #define ADHEIGHH 0x01           /* reg 0x0f -> 0x01 */
 105 #define EXPOL 0x8f              /* reg 0x1c -> 0x8f */
 106 #define EXPOH 0x01              /* reg 0x1d -> 0x01 */
 107 #define ADCBEGINL 0x44          /* reg 0x10 -> 0x46 //47 */
 108 #define ADCBEGINH 0x00          /* reg 0x11 -> 0x00 */
 109 #define ADRBEGINL 0x0a          /* reg 0x14 -> 0x0b //0x0c */
 110 #define ADRBEGINH 0x00          /* reg 0x15 -> 0x00 */
 111 #define TV8532_CMD_UPDATE 0x84
 112
 113 #define TV8532_EEprom_Add 0x03
 114 #define TV8532_EEprom_DataL 0x04
 115 #define TV8532_EEprom_DataM 0x05
 116 #define TV8532_EEprom_DataH 0x06
 117 #define TV8532_EEprom_TableLength 0x07
 118 #define TV8532_EEprom_Write 0x08
 119 #define TV8532_PART_CTRL 0x00
 120 #define TV8532_CTRL 0x01
 121 #define TV8532_CMD_EEprom_Open 0x30
 122 #define TV8532_CMD_EEprom_Close 0x29
 123 #define TV8532_UDP_UPDATE 0x31
 124 #define TV8532_GPIO 0x39
 125 #define TV8532_GPIO_OE 0x3B
 126 #define TV8532_REQ_RegWrite 0x02
 127 #define TV8532_REQ_RegRead 0x03
 128
 129 #define TV8532_ADWIDTH_L 0x0C
 130 #define TV8532_ADWIDTH_H 0x0D
 131 #define TV8532_ADHEIGHT_L 0x0E
 132 #define TV8532_ADHEIGHT_H 0x0F
 133 #define TV8532_EXPOSURE 0x1C
 134 #define TV8532_QUANT_COMP 0x28
 135 #define TV8532_MODE_PACKET 0x29
 136 #define TV8532_SETCLK 0x2C
 137 #define TV8532_POINT_L 0x2D
 138 #define TV8532_POINT_H 0x2E
 139 #define TV8532_POINTB_L 0x2F
 140 #define TV8532_POINTB_H 0x30
 141 #define TV8532_BUDGET_L 0x2A
 142 #define TV8532_BUDGET_H 0x2B
 143 #define TV8532_VID_L 0x34
 144 #define TV8532_VID_H 0x35
 145 #define TV8532_PID_L 0x36
 146 #define TV8532_PID_H 0x37
 147 #define TV8532_DeviceID 0x83
 148 #define TV8532_AD_SLOPE 0x91
 149 #define TV8532_AD_BITCTRL 0x94
 150 #define TV8532_AD_COLBEGIN_L 0x10
 151 #define TV8532_AD_COLBEGIN_H 0x11
 152 #define TV8532_AD_ROWBEGIN_L 0x14
 153 #define TV8532_AD_ROWBEGIN_H 0x15
 154
 155 static const __u32 tv_8532_eeprom_data[] = {
 156 /*      add             dataL      dataM        dataH */
 157         0x00010001, 0x01018011, 0x02050014, 0x0305001c,
 158         0x040d001e, 0x0505001f, 0x06050519, 0x0705011b,
 159         0x0805091e, 0x090d892e, 0x0a05892f, 0x0b050dd9,
 160         0x0c0509f1, 0
 161 };
 162
 163 static int reg_r(struct gspca_dev *gspca_dev,
 164                  __u16 index)
 165 {
 166         usb_control_msg(gspca_dev->dev,
 167                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 168                         TV8532_REQ_RegRead,
 169                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 170                         0,      /* value */
 171                         index, gspca_dev->usb_buf, 1,
 172                         500);
 173         return gspca_dev->usb_buf[0];
 174 }
 175
 176 /* write 1 byte */
 177 static void reg_w_1(struct gspca_dev *gspca_dev,
 178                   __u16 index, __u8 value)
 179 {
 180         gspca_dev->usb_buf[0] = value;
 181         usb_control_msg(gspca_dev->dev,
 182                         usb_sndctrlpipe(gspca_dev->dev, 0),
 183                         TV8532_REQ_RegWrite,
 184                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 185                         0,      /* value */
 186                         index, gspca_dev->usb_buf, 1, 500);
 187 }
 188
 189 /* write 2 bytes */
 190 static void reg_w_2(struct gspca_dev *gspca_dev,
 191                   __u16 index, __u8 val1, __u8 val2)
 192 {
 193         gspca_dev->usb_buf[0] = val1;
 194         gspca_dev->usb_buf[1] = val2;
 195         usb_control_msg(gspca_dev->dev,
 196                         usb_sndctrlpipe(gspca_dev->dev, 0),
 197                         TV8532_REQ_RegWrite,
 198                         USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 199                         0,      /* value */
 200                         index, gspca_dev->usb_buf, 2, 500);
 201 }
 202
 203 static void tv_8532WriteEEprom(struct gspca_dev *gspca_dev)
 204 {
 205         int i = 0;
 206         __u8 reg, data0, data1, data2;
 207
 208         reg_w_1(gspca_dev, TV8532_GPIO, 0xb0);
 209         reg_w_1(gspca_dev, TV8532_CTRL, TV8532_CMD_EEprom_Open);
 210 /*      msleep(1); */
 211         while (tv_8532_eeprom_data[i]) {
 212                 reg = (tv_8532_eeprom_data[i] & 0xff000000) >> 24;
 213                 reg_w_1(gspca_dev, TV8532_EEprom_Add, reg);
 214                 /* msleep(1); */
 215                 data0 = (tv_8532_eeprom_data[i] & 0x000000ff);
 216                 reg_w_1(gspca_dev, TV8532_EEprom_DataL, data0);
 217                 /* msleep(1); */
 218                 data1 = (tv_8532_eeprom_data[i] & 0x0000ff00) >> 8;
 219                 reg_w_1(gspca_dev, TV8532_EEprom_DataM, data1);
 220                 /* msleep(1); */
 221                 data2 = (tv_8532_eeprom_data[i] & 0x00ff0000) >> 16;
 222                 reg_w_1(gspca_dev, TV8532_EEprom_DataH, data2);
 223                 /* msleep(1); */
 224                 reg_w_1(gspca_dev, TV8532_EEprom_Write, 0);
 225                 /* msleep(10); */
 226                 i++;
 227         }
 228         reg_w_1(gspca_dev, TV8532_EEprom_TableLength, i);
 229 /*      msleep(1); */
 230         reg_w_1(gspca_dev, TV8532_CTRL, TV8532_CMD_EEprom_Close);
 231         msleep(10);
 232 }
 233
 234 /* this function is called at probe time */
 235 static int sd_config(struct gspca_dev *gspca_dev,
 236                      const struct usb_device_id *id)
 237 {
 238         struct sd *sd = (struct sd *) gspca_dev;
 239         struct cam *cam;
 240
 241         tv_8532WriteEEprom(gspca_dev);
 242
 243         cam = &gspca_dev->cam;
 244         cam->cam_mode = sif_mode;
 245         cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
 246
 247         sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
 248         sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
 249         return 0;
 250 }
 251
 252 static void tv_8532ReadRegisters(struct gspca_dev *gspca_dev)
 253 {
 254         __u8 data;
 255
 256         data = reg_r(gspca_dev, 0x0001);
 257         PDEBUG(D_USBI, "register 0x01-> %x", data);
 258         data = reg_r(gspca_dev, 0x0002);
 259         PDEBUG(D_USBI, "register 0x02-> %x", data);
 260         reg_r(gspca_dev, TV8532_ADWIDTH_L);
 261         reg_r(gspca_dev, TV8532_ADWIDTH_H);
 262         reg_r(gspca_dev, TV8532_QUANT_COMP);
 263         reg_r(gspca_dev, TV8532_MODE_PACKET);
 264         reg_r(gspca_dev, TV8532_SETCLK);
 265         reg_r(gspca_dev, TV8532_POINT_L);
 266         reg_r(gspca_dev, TV8532_POINT_H);
 267         reg_r(gspca_dev, TV8532_POINTB_L);
 268         reg_r(gspca_dev, TV8532_POINTB_H);
 269         reg_r(gspca_dev, TV8532_BUDGET_L);
 270         reg_r(gspca_dev, TV8532_BUDGET_H);
 271         reg_r(gspca_dev, TV8532_VID_L);
 272         reg_r(gspca_dev, TV8532_VID_H);
 273         reg_r(gspca_dev, TV8532_PID_L);
 274         reg_r(gspca_dev, TV8532_PID_H);
 275         reg_r(gspca_dev, TV8532_DeviceID);
 276         reg_r(gspca_dev, TV8532_AD_COLBEGIN_L);
 277         reg_r(gspca_dev, TV8532_AD_COLBEGIN_H);
 278         reg_r(gspca_dev, TV8532_AD_ROWBEGIN_L);
 279         reg_r(gspca_dev, TV8532_AD_ROWBEGIN_H);
 280 }
 281
 282 static void tv_8532_setReg(struct gspca_dev *gspca_dev)
 283 {
 284         reg_w_1(gspca_dev, TV8532_AD_COLBEGIN_L,
 285                         ADCBEGINL);                     /* 0x10 */
 286         reg_w_1(gspca_dev, TV8532_AD_COLBEGIN_H,
 287                         ADCBEGINH);                     /* also digital gain */
 288         reg_w_1(gspca_dev, TV8532_PART_CTRL,
 289                         TV8532_CMD_UPDATE);             /* 0x00<-0x84 */
 290
 291         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0a);
 292         /******************************************************/
 293         reg_w_1(gspca_dev, TV8532_ADHEIGHT_L, ADHEIGHL); /* 0e */
 294         reg_w_1(gspca_dev, TV8532_ADHEIGHT_H, ADHEIGHH); /* 0f */
 295         reg_w_2(gspca_dev, TV8532_EXPOSURE,
 296                         EXPOL, EXPOH);                  /* 350d 0x014c; 1c */
 297         reg_w_1(gspca_dev, TV8532_AD_COLBEGIN_L,
 298                         ADCBEGINL);                     /* 0x10 */
 299         reg_w_1(gspca_dev, TV8532_AD_COLBEGIN_H,
 300                         ADCBEGINH);                     /* also digital gain */
 301         reg_w_1(gspca_dev, TV8532_AD_ROWBEGIN_L,
 302                         ADRBEGINL);                     /* 0x14 */
 303
 304         reg_w_1(gspca_dev, TV8532_AD_SLOPE, 0x00);      /* 0x91 */
 305         reg_w_1(gspca_dev, TV8532_AD_BITCTRL, 0x02);    /* 0x94 */
 306
 307         reg_w_1(gspca_dev, TV8532_CTRL,
 308                         TV8532_CMD_EEprom_Close);       /* 0x01 */
 309
 310         reg_w_1(gspca_dev, TV8532_AD_SLOPE, 0x00);      /* 0x91 */
 311         reg_w_1(gspca_dev, TV8532_PART_CTRL,
 312                         TV8532_CMD_UPDATE);             /* 0x00<-0x84 */
 313 }
 314
 315 static void tv_8532_PollReg(struct gspca_dev *gspca_dev)
 316 {
 317         int i;
 318
 319         /* strange polling from tgc */
 320         for (i = 0; i < 10; i++) {
 321                 reg_w_1(gspca_dev, TV8532_SETCLK,
 322                         TESTCLK);               /* 0x48; //0x08; 0x2c */
 323                 reg_w_1(gspca_dev, TV8532_PART_CTRL, TV8532_CMD_UPDATE);
 324                 reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x01);    /* 0x31 */
 325         }
 326 }
 327
 328 /* this function is called at probe and resume time */
 329 static int sd_init(struct gspca_dev *gspca_dev)
 330 {
 331         reg_w_1(gspca_dev, TV8532_AD_SLOPE, 0x32);
 332         reg_w_1(gspca_dev, TV8532_AD_BITCTRL, 0x00);
 333         tv_8532ReadRegisters(gspca_dev);
 334         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0b);
 335         reg_w_2(gspca_dev, TV8532_ADHEIGHT_L, ADHEIGHL,
 336                                 ADHEIGHH);      /* 401d 0x0169; 0e */
 337         reg_w_2(gspca_dev, TV8532_EXPOSURE, EXPOL,
 338                                 EXPOH);         /* 350d 0x014c; 1c */
 339         reg_w_1(gspca_dev, TV8532_ADWIDTH_L, ADWIDTHL); /* 0x20; 0x0c */
 340         reg_w_1(gspca_dev, TV8532_ADWIDTH_H, ADWIDTHH); /* 0x0d */
 341
 342         /*******************************************************************/
 343         reg_w_1(gspca_dev, TV8532_QUANT_COMP,
 344                         TESTCOMP);      /* 0x72 compressed mode 0x28 */
 345         reg_w_1(gspca_dev, TV8532_MODE_PACKET,
 346                         TESTLINE);      /* 0x84; // CIF | 4 packet 0x29 */
 347
 348         /************************************************/
 349         reg_w_1(gspca_dev, TV8532_SETCLK,
 350                         TESTCLK);               /* 0x48; //0x08; 0x2c */
 351         reg_w_1(gspca_dev, TV8532_POINT_L,
 352                         TESTPTL);               /* 0x38; 0x2d */
 353         reg_w_1(gspca_dev, TV8532_POINT_H,
 354                         TESTPTH);               /* 0x04; 0x2e */
 355         reg_w_1(gspca_dev, TV8532_POINTB_L,
 356                         TESTPTBL);              /* 0x04; 0x2f */
 357         reg_w_1(gspca_dev, TV8532_POINTB_H,
 358                         TESTPTBH);              /* 0x04; 0x30 */
 359         reg_w_1(gspca_dev, TV8532_PART_CTRL,
 360                         TV8532_CMD_UPDATE);     /* 0x00<-0x84 */
 361         /*************************************************/
 362         reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x01);    /* 0x31 */
 363         msleep(200);
 364         reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x00);    /* 0x31 */
 365         /*************************************************/
 366         tv_8532_setReg(gspca_dev);
 367         /*************************************************/
 368         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0b);
 369         /*************************************************/
 370         tv_8532_setReg(gspca_dev);
 371         /*************************************************/
 372         tv_8532_PollReg(gspca_dev);
 373         return 0;
 374 }
 375
 376 static void setbrightness(struct gspca_dev *gspca_dev)
 377 {
 378         struct sd *sd = (struct sd *) gspca_dev;
 379         int brightness = sd->brightness;
 380
 381         reg_w_2(gspca_dev, TV8532_EXPOSURE,
 382                 brightness >> 8, brightness);           /* 1c */
 383         reg_w_1(gspca_dev, TV8532_PART_CTRL, TV8532_CMD_UPDATE);
 384 }
 385
 386 /* -- start the camera -- */
 387 static int sd_start(struct gspca_dev *gspca_dev)
 388 {
 389         struct sd *sd = (struct sd *) gspca_dev;
 390
 391         reg_w_1(gspca_dev, TV8532_AD_SLOPE, 0x32);
 392         reg_w_1(gspca_dev, TV8532_AD_BITCTRL, 0x00);
 393         tv_8532ReadRegisters(gspca_dev);
 394         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0b);
 395         reg_w_2(gspca_dev, TV8532_ADHEIGHT_L,
 396                 ADHEIGHL, ADHEIGHH);    /* 401d 0x0169; 0e */
 397 /*      reg_w_2(gspca_dev, TV8532_EXPOSURE,
 398                 EXPOL, EXPOH);           * 350d 0x014c; 1c */
 399         setbrightness(gspca_dev);
 400
 401         reg_w_1(gspca_dev, TV8532_ADWIDTH_L, ADWIDTHL); /* 0x20; 0x0c */
 402         reg_w_1(gspca_dev, TV8532_ADWIDTH_H, ADWIDTHH); /* 0x0d */
 403
 404         /************************************************/
 405         reg_w_1(gspca_dev, TV8532_QUANT_COMP,
 406                         TESTCOMP);      /* 0x72 compressed mode 0x28 */
 407         if (gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv) {
 408                 /* 176x144 */
 409                 reg_w_1(gspca_dev, TV8532_MODE_PACKET,
 410                         QCIFLINE);      /* 0x84; // CIF | 4 packet 0x29 */
 411         } else {
 412                 /* 352x288 */
 413                 reg_w_1(gspca_dev, TV8532_MODE_PACKET,
 414                         TESTLINE);      /* 0x84; // CIF | 4 packet 0x29 */
 415         }
 416         /************************************************/
 417         reg_w_1(gspca_dev, TV8532_SETCLK,
 418                         TESTCLK);               /* 0x48; //0x08; 0x2c */
 419         reg_w_1(gspca_dev, TV8532_POINT_L,
 420                         TESTPTL);               /* 0x38; 0x2d */
 421         reg_w_1(gspca_dev, TV8532_POINT_H,
 422                         TESTPTH);               /* 0x04; 0x2e */
 423         reg_w_1(gspca_dev, TV8532_POINTB_L,
 424                         TESTPTBL);              /* 0x04; 0x2f */
 425         reg_w_1(gspca_dev, TV8532_POINTB_H,
 426                         TESTPTBH);              /* 0x04; 0x30 */
 427         reg_w_1(gspca_dev, TV8532_PART_CTRL,
 428                         TV8532_CMD_UPDATE);     /* 0x00<-0x84 */
 429         /************************************************/
 430         reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x01);    /* 0x31 */
 431         msleep(200);
 432         reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x00);    /* 0x31 */
 433         /************************************************/
 434         tv_8532_setReg(gspca_dev);
 435         /************************************************/
 436         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0b);
 437         /************************************************/
 438         tv_8532_setReg(gspca_dev);
 439         /************************************************/
 440         tv_8532_PollReg(gspca_dev);
 441         reg_w_1(gspca_dev, TV8532_UDP_UPDATE, 0x00);    /* 0x31 */
 442
 443         gspca_dev->empty_packet = 0;            /* check the empty packets */
 444         sd->packet = 0;                         /* ignore the first packets */
 445
 446         return 0;
 447 }
 448
 449 static void sd_stopN(struct gspca_dev *gspca_dev)
 450 {
 451         reg_w_1(gspca_dev, TV8532_GPIO_OE, 0x0b);
 452 }
 453
 454 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 455                         struct gspca_frame *frame,      /* target */
 456                         __u8 *data,                     /* isoc packet */
 457                         int len)                        /* iso packet length */
 458 {
 459         struct sd *sd = (struct sd *) gspca_dev;
 460         int packet_type0, packet_type1;
 461
 462         packet_type0 = packet_type1 = INTER_PACKET;
 463         if (gspca_dev->empty_packet) {
 464                 gspca_dev->empty_packet = 0;
 465                 sd->packet = gspca_dev->height / 2;
 466                 packet_type0 = FIRST_PACKET;
 467         } else if (sd->packet == 0)
 468                 return;                 /* 2 more lines in 352x288 ! */
 469         sd->packet--;
 470         if (sd->packet == 0)
 471                 packet_type1 = LAST_PACKET;
 472
 473         /* each packet contains:
 474          * - header 2 bytes
 475          * - RG line
 476          * - 4 bytes
 477          * - GB line
 478          * - 4 bytes
 479          */
 480         gspca_frame_add(gspca_dev, packet_type0,
 481                         frame, data + 2, gspca_dev->width);
 482         gspca_frame_add(gspca_dev, packet_type1,
 483                         frame, data + gspca_dev->width + 6, gspca_dev->width);
 484 }
 485
 486 static void setcontrast(struct gspca_dev *gspca_dev)
 487 {
 488 }
 489
 490 static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 491 {
 492         struct sd *sd = (struct sd *) gspca_dev;
 493
 494         sd->brightness = val;
 495         if (gspca_dev->streaming)
 496                 setbrightness(gspca_dev);
 497         return 0;
 498 }
 499
 500 static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 501 {
 502         struct sd *sd = (struct sd *) gspca_dev;
 503
 504         *val = sd->brightness;
 505         return 0;
 506 }
 507
 508 static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
 509 {
 510         struct sd *sd = (struct sd *) gspca_dev;
 511
 512         sd->contrast = val;
 513         if (gspca_dev->streaming)
 514                 setcontrast(gspca_dev);
 515         return 0;
 516 }
 517
 518 static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
 519 {
 520         struct sd *sd = (struct sd *) gspca_dev;
 521
 522         *val = sd->contrast;
 523         return 0;
 524 }
 525
 526 /* sub-driver description */
 527 static const struct sd_desc sd_desc = {
 528         .name = MODULE_NAME,
 529         .ctrls = sd_ctrls,
 530         .nctrls = ARRAY_SIZE(sd_ctrls),
 531         .config = sd_config,
 532         .init = sd_init,
 533         .start = sd_start,
 534         .stopN = sd_stopN,
 535         .pkt_scan = sd_pkt_scan,
 536 };
 537
 538 /* -- module initialisation -- */
 539 static const __devinitdata struct usb_device_id device_table[] = {
 540         {USB_DEVICE(0x046d, 0x0920)},
 541         {USB_DEVICE(0x046d, 0x0921)},
 542         {USB_DEVICE(0x0545, 0x808b)},
 543         {USB_DEVICE(0x0545, 0x8333)},
 544         {USB_DEVICE(0x0923, 0x010f)},
 545         {}
 546 };
 547
 548 MODULE_DEVICE_TABLE(usb, device_table);
 549
 550 /* -- device connect -- */
 551 static int sd_probe(struct usb_interface *intf,
 552                     const struct usb_device_id *id)
 553 {
 554         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 555                                THIS_MODULE);
 556 }
 557
 558 static struct usb_driver sd_driver = {
 559         .name = MODULE_NAME,
 560         .id_table = device_table,
 561         .probe = sd_probe,
 562         .disconnect = gspca_disconnect,
 563 #ifdef CONFIG_PM
 564         .suspend = gspca_suspend,
 565         .resume = gspca_resume,
 566 #endif
 567 };
 568
 569 /* -- module insert / remove -- */
 570 static int __init sd_mod_init(void)
 571 {
 572         int ret;
 573         ret = usb_register(&sd_driver);
 574         if (ret < 0)
 575                 return -1;
 576         PDEBUG(D_PROBE, "registered");
 577         return 0;
 578 }
 579
 580 static void __exit sd_mod_exit(void)
 581 {
 582         usb_deregister(&sd_driver);
 583         PDEBUG(D_PROBE, "deregistered");
 584 }
 585
 586 module_init(sd_mod_init);
 587 module_exit(sd_mod_exit);