drivers/media/video/gspca/spca505.c

   1 /*
   2  * SPCA505 chip based cameras initialization data
   3  *
   4  * V4L2 by Jean-Francis 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
  22 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  23
  24 #define MODULE_NAME "spca505"
  25
  26 #include "gspca.h"
  27
  28 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  29 MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  30 MODULE_LICENSE("GPL");
  31
  32 /* specific webcam descriptor */
  33 struct sd {
  34         struct gspca_dev gspca_dev;             /* !! must be the first item */
  35
  36         u8 subtype;
  37 #define IntelPCCameraPro 0
  38 #define Nxultra 1
  39 };
  40
  41 static const struct v4l2_pix_format vga_mode[] = {
  42         {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  43                 .bytesperline = 160,
  44                 .sizeimage = 160 * 120 * 3 / 2,
  45                 .colorspace = V4L2_COLORSPACE_SRGB,
  46                 .priv = 4},
  47         {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  48                 .bytesperline = 176,
  49                 .sizeimage = 176 * 144 * 3 / 2,
  50                 .colorspace = V4L2_COLORSPACE_SRGB,
  51                 .priv = 3},
  52         {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  53                 .bytesperline = 320,
  54                 .sizeimage = 320 * 240 * 3 / 2,
  55                 .colorspace = V4L2_COLORSPACE_SRGB,
  56                 .priv = 2},
  57         {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  58                 .bytesperline = 352,
  59                 .sizeimage = 352 * 288 * 3 / 2,
  60                 .colorspace = V4L2_COLORSPACE_SRGB,
  61                 .priv = 1},
  62         {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  63                 .bytesperline = 640,
  64                 .sizeimage = 640 * 480 * 3 / 2,
  65                 .colorspace = V4L2_COLORSPACE_SRGB,
  66                 .priv = 0},
  67 };
  68
  69 #define SPCA50X_OFFSET_DATA 10
  70
  71 #define SPCA50X_REG_USB 0x02    /* spca505 501 */
  72
  73 #define SPCA50X_USB_CTRL 0x00   /* spca505 */
  74 #define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
  75
  76 #define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
  77 #define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
  78 #define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
  79
  80 #define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
  81 #define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
  82 #define SPCA50X_GMISC3_SAA7113RST 0x20  /* Not sure about this one spca505 */
  83
  84 /* Image format and compression control */
  85 #define SPCA50X_REG_COMPRESS 0x04
  86
  87 /*
  88  * Data to initialize a SPCA505. Common to the CCD and external modes
  89  */
  90 static const u8 spca505_init_data[][3] = {
  91         /* bmRequest,value,index */
  92         {SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
  93         /* Sensor reset */
  94         {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
  95         {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
  96         /* Block USB reset */
  97         {SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
  98
  99         {0x05, 0x01, 0x10},
 100                                         /* Maybe power down some stuff */
 101         {0x05, 0x0f, 0x11},
 102
 103         /* Setup internal CCD  ? */
 104         {0x06, 0x10, 0x08},
 105         {0x06, 0x00, 0x09},
 106         {0x06, 0x00, 0x0a},
 107         {0x06, 0x00, 0x0b},
 108         {0x06, 0x10, 0x0c},
 109         {0x06, 0x00, 0x0d},
 110         {0x06, 0x00, 0x0e},
 111         {0x06, 0x00, 0x0f},
 112         {0x06, 0x10, 0x10},
 113         {0x06, 0x02, 0x11},
 114         {0x06, 0x00, 0x12},
 115         {0x06, 0x04, 0x13},
 116         {0x06, 0x02, 0x14},
 117         {0x06, 0x8a, 0x51},
 118         {0x06, 0x40, 0x52},
 119         {0x06, 0xb6, 0x53},
 120         {0x06, 0x3d, 0x54},
 121         {}
 122 };
 123
 124 /*
 125  * Data to initialize the camera using the internal CCD
 126  */
 127 static const u8 spca505_open_data_ccd[][3] = {
 128         /* bmRequest,value,index */
 129         /* Internal CCD data set */
 130         {0x03, 0x04, 0x01},
 131         /* This could be a reset */
 132         {0x03, 0x00, 0x01},
 133
 134         /* Setup compression and image registers. 0x6 and 0x7 seem to be
 135            related to H&V hold, and are resolution mode specific */
 136                 {0x04, 0x10, 0x01},
 137                 /* DIFF(0x50), was (0x10) */
 138         {0x04, 0x00, 0x04},
 139         {0x04, 0x00, 0x05},
 140         {0x04, 0x20, 0x06},
 141         {0x04, 0x20, 0x07},
 142
 143         {0x08, 0x0a, 0x00},
 144         /* DIFF (0x4a), was (0xa) */
 145
 146         {0x05, 0x00, 0x10},
 147         {0x05, 0x00, 0x11},
 148         {0x05, 0x00, 0x00},
 149         /* DIFF not written */
 150         {0x05, 0x00, 0x01},
 151         /* DIFF not written */
 152         {0x05, 0x00, 0x02},
 153         /* DIFF not written */
 154         {0x05, 0x00, 0x03},
 155         /* DIFF not written */
 156         {0x05, 0x00, 0x04},
 157         /* DIFF not written */
 158                 {0x05, 0x80, 0x05},
 159                 /* DIFF not written */
 160                 {0x05, 0xe0, 0x06},
 161                 /* DIFF not written */
 162                 {0x05, 0x20, 0x07},
 163                 /* DIFF not written */
 164                 {0x05, 0xa0, 0x08},
 165                 /* DIFF not written */
 166                 {0x05, 0x0, 0x12},
 167                 /* DIFF not written */
 168         {0x05, 0x02, 0x0f},
 169         /* DIFF not written */
 170                 {0x05, 0x10, 0x46},
 171                 /* DIFF not written */
 172                 {0x05, 0x8, 0x4a},
 173                 /* DIFF not written */
 174
 175         {0x03, 0x08, 0x03},
 176         /* DIFF (0x3,0x28,0x3) */
 177         {0x03, 0x08, 0x01},
 178         {0x03, 0x0c, 0x03},
 179         /* DIFF not written */
 180                 {0x03, 0x21, 0x00},
 181                 /* DIFF (0x39) */
 182
 183 /* Extra block copied from init to hopefully ensure CCD is in a sane state */
 184         {0x06, 0x10, 0x08},
 185         {0x06, 0x00, 0x09},
 186         {0x06, 0x00, 0x0a},
 187         {0x06, 0x00, 0x0b},
 188         {0x06, 0x10, 0x0c},
 189         {0x06, 0x00, 0x0d},
 190         {0x06, 0x00, 0x0e},
 191         {0x06, 0x00, 0x0f},
 192         {0x06, 0x10, 0x10},
 193         {0x06, 0x02, 0x11},
 194         {0x06, 0x00, 0x12},
 195         {0x06, 0x04, 0x13},
 196         {0x06, 0x02, 0x14},
 197         {0x06, 0x8a, 0x51},
 198         {0x06, 0x40, 0x52},
 199         {0x06, 0xb6, 0x53},
 200         {0x06, 0x3d, 0x54},
 201         /* End of extra block */
 202
 203                 {0x06, 0x3f, 0x1},
 204                 /* Block skipped */
 205         {0x06, 0x10, 0x02},
 206         {0x06, 0x64, 0x07},
 207         {0x06, 0x10, 0x08},
 208         {0x06, 0x00, 0x09},
 209         {0x06, 0x00, 0x0a},
 210         {0x06, 0x00, 0x0b},
 211         {0x06, 0x10, 0x0c},
 212         {0x06, 0x00, 0x0d},
 213         {0x06, 0x00, 0x0e},
 214         {0x06, 0x00, 0x0f},
 215         {0x06, 0x10, 0x10},
 216         {0x06, 0x02, 0x11},
 217         {0x06, 0x00, 0x12},
 218         {0x06, 0x04, 0x13},
 219         {0x06, 0x02, 0x14},
 220         {0x06, 0x8a, 0x51},
 221         {0x06, 0x40, 0x52},
 222         {0x06, 0xb6, 0x53},
 223         {0x06, 0x3d, 0x54},
 224         {0x06, 0x60, 0x57},
 225         {0x06, 0x20, 0x58},
 226         {0x06, 0x15, 0x59},
 227         {0x06, 0x05, 0x5a},
 228
 229         {0x05, 0x01, 0xc0},
 230         {0x05, 0x10, 0xcb},
 231                 {0x05, 0x80, 0xc1},
 232                 /* */
 233                 {0x05, 0x0, 0xc2},
 234                 /* 4 was 0 */
 235         {0x05, 0x00, 0xca},
 236                 {0x05, 0x80, 0xc1},
 237                 /*  */
 238         {0x05, 0x04, 0xc2},
 239         {0x05, 0x00, 0xca},
 240                 {0x05, 0x0, 0xc1},
 241                 /*  */
 242         {0x05, 0x00, 0xc2},
 243         {0x05, 0x00, 0xca},
 244                 {0x05, 0x40, 0xc1},
 245                 /* */
 246         {0x05, 0x17, 0xc2},
 247         {0x05, 0x00, 0xca},
 248                 {0x05, 0x80, 0xc1},
 249                 /* */
 250         {0x05, 0x06, 0xc2},
 251         {0x05, 0x00, 0xca},
 252                 {0x05, 0x80, 0xc1},
 253                 /* */
 254         {0x05, 0x04, 0xc2},
 255         {0x05, 0x00, 0xca},
 256
 257         {0x03, 0x4c, 0x3},
 258         {0x03, 0x18, 0x1},
 259
 260         {0x06, 0x70, 0x51},
 261         {0x06, 0xbe, 0x53},
 262         {0x06, 0x71, 0x57},
 263         {0x06, 0x20, 0x58},
 264         {0x06, 0x05, 0x59},
 265         {0x06, 0x15, 0x5a},
 266
 267         {0x04, 0x00, 0x08},
 268         /* Compress = OFF (0x1 to turn on) */
 269         {0x04, 0x12, 0x09},
 270         {0x04, 0x21, 0x0a},
 271         {0x04, 0x10, 0x0b},
 272         {0x04, 0x21, 0x0c},
 273         {0x04, 0x05, 0x00},
 274         /* was 5 (Image Type ? ) */
 275         {0x04, 0x00, 0x01},
 276
 277         {0x06, 0x3f, 0x01},
 278
 279         {0x04, 0x00, 0x04},
 280         {0x04, 0x00, 0x05},
 281         {0x04, 0x40, 0x06},
 282         {0x04, 0x40, 0x07},
 283
 284         {0x06, 0x1c, 0x17},
 285         {0x06, 0xe2, 0x19},
 286         {0x06, 0x1c, 0x1b},
 287         {0x06, 0xe2, 0x1d},
 288         {0x06, 0xaa, 0x1f},
 289         {0x06, 0x70, 0x20},
 290
 291         {0x05, 0x01, 0x10},
 292         {0x05, 0x00, 0x11},
 293         {0x05, 0x01, 0x00},
 294         {0x05, 0x05, 0x01},
 295                 {0x05, 0x00, 0xc1},
 296                 /* */
 297         {0x05, 0x00, 0xc2},
 298         {0x05, 0x00, 0xca},
 299
 300         {0x06, 0x70, 0x51},
 301         {0x06, 0xbe, 0x53},
 302         {}
 303 };
 304
 305 /*
 306  * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
 307  * SPCA505b chip based cameras initialization data
 308  */
 309 /* jfm */
 310 #define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
 311 /* #define initial_brightness 0x0       //0x0(white)-0xff(black) */
 312 /*
 313  * Data to initialize a SPCA505. Common to the CCD and external modes
 314  */
 315 static const u8 spca505b_init_data[][3] = {
 316 /* start */
 317         {0x02, 0x00, 0x00},             /* init */
 318         {0x02, 0x00, 0x01},
 319         {0x02, 0x00, 0x02},
 320         {0x02, 0x00, 0x03},
 321         {0x02, 0x00, 0x04},
 322         {0x02, 0x00, 0x05},
 323         {0x02, 0x00, 0x06},
 324         {0x02, 0x00, 0x07},
 325         {0x02, 0x00, 0x08},
 326         {0x02, 0x00, 0x09},
 327         {0x03, 0x00, 0x00},
 328         {0x03, 0x00, 0x01},
 329         {0x03, 0x00, 0x02},
 330         {0x03, 0x00, 0x03},
 331         {0x03, 0x00, 0x04},
 332         {0x03, 0x00, 0x05},
 333         {0x03, 0x00, 0x06},
 334         {0x04, 0x00, 0x00},
 335         {0x04, 0x00, 0x02},
 336         {0x04, 0x00, 0x04},
 337         {0x04, 0x00, 0x05},
 338         {0x04, 0x00, 0x06},
 339         {0x04, 0x00, 0x07},
 340         {0x04, 0x00, 0x08},
 341         {0x04, 0x00, 0x09},
 342         {0x04, 0x00, 0x0a},
 343         {0x04, 0x00, 0x0b},
 344         {0x04, 0x00, 0x0c},
 345         {0x07, 0x00, 0x00},
 346         {0x07, 0x00, 0x03},
 347         {0x08, 0x00, 0x00},
 348         {0x08, 0x00, 0x01},
 349         {0x08, 0x00, 0x02},
 350         {0x06, 0x18, 0x08},
 351         {0x06, 0xfc, 0x09},
 352         {0x06, 0xfc, 0x0a},
 353         {0x06, 0xfc, 0x0b},
 354         {0x06, 0x18, 0x0c},
 355         {0x06, 0xfc, 0x0d},
 356         {0x06, 0xfc, 0x0e},
 357         {0x06, 0xfc, 0x0f},
 358         {0x06, 0x18, 0x10},
 359         {0x06, 0xfe, 0x12},
 360         {0x06, 0x00, 0x11},
 361         {0x06, 0x00, 0x14},
 362         {0x06, 0x00, 0x13},
 363         {0x06, 0x28, 0x51},
 364         {0x06, 0xff, 0x53},
 365         {0x02, 0x00, 0x08},
 366
 367         {0x03, 0x00, 0x03},
 368         {0x03, 0x10, 0x03},
 369         {}
 370 };
 371
 372 /*
 373  * Data to initialize the camera using the internal CCD
 374  */
 375 static const u8 spca505b_open_data_ccd[][3] = {
 376
 377 /* {0x02,0x00,0x00}, */
 378         {0x03, 0x04, 0x01},             /* rst */
 379         {0x03, 0x00, 0x01},
 380         {0x03, 0x00, 0x00},
 381         {0x03, 0x21, 0x00},
 382         {0x03, 0x00, 0x04},
 383         {0x03, 0x00, 0x03},
 384         {0x03, 0x18, 0x03},
 385         {0x03, 0x08, 0x01},
 386         {0x03, 0x1c, 0x03},
 387         {0x03, 0x5c, 0x03},
 388         {0x03, 0x5c, 0x03},
 389         {0x03, 0x18, 0x01},
 390
 391 /* same as 505 */
 392         {0x04, 0x10, 0x01},
 393         {0x04, 0x00, 0x04},
 394         {0x04, 0x00, 0x05},
 395         {0x04, 0x20, 0x06},
 396         {0x04, 0x20, 0x07},
 397
 398         {0x08, 0x0a, 0x00},
 399
 400         {0x05, 0x00, 0x10},
 401         {0x05, 0x00, 0x11},
 402         {0x05, 0x00, 0x12},
 403         {0x05, 0x6f, 0x00},
 404         {0x05, initial_brightness >> 6, 0x00},
 405         {0x05, (initial_brightness << 2) & 0xff, 0x01},
 406         {0x05, 0x00, 0x02},
 407         {0x05, 0x01, 0x03},
 408         {0x05, 0x00, 0x04},
 409         {0x05, 0x03, 0x05},
 410         {0x05, 0xe0, 0x06},
 411         {0x05, 0x20, 0x07},
 412         {0x05, 0xa0, 0x08},
 413         {0x05, 0x00, 0x12},
 414         {0x05, 0x02, 0x0f},
 415         {0x05, 0x80, 0x14},             /* max exposure off (0=on) */
 416         {0x05, 0x01, 0xb0},
 417         {0x05, 0x01, 0xbf},
 418         {0x03, 0x02, 0x06},
 419         {0x05, 0x10, 0x46},
 420         {0x05, 0x08, 0x4a},
 421
 422         {0x06, 0x00, 0x01},
 423         {0x06, 0x10, 0x02},
 424         {0x06, 0x64, 0x07},
 425         {0x06, 0x18, 0x08},
 426         {0x06, 0xfc, 0x09},
 427         {0x06, 0xfc, 0x0a},
 428         {0x06, 0xfc, 0x0b},
 429         {0x04, 0x00, 0x01},
 430         {0x06, 0x18, 0x0c},
 431         {0x06, 0xfc, 0x0d},
 432         {0x06, 0xfc, 0x0e},
 433         {0x06, 0xfc, 0x0f},
 434         {0x06, 0x11, 0x10},             /* contrast */
 435         {0x06, 0x00, 0x11},
 436         {0x06, 0xfe, 0x12},
 437         {0x06, 0x00, 0x13},
 438         {0x06, 0x00, 0x14},
 439         {0x06, 0x9d, 0x51},
 440         {0x06, 0x40, 0x52},
 441         {0x06, 0x7c, 0x53},
 442         {0x06, 0x40, 0x54},
 443         {0x06, 0x02, 0x57},
 444         {0x06, 0x03, 0x58},
 445         {0x06, 0x15, 0x59},
 446         {0x06, 0x05, 0x5a},
 447         {0x06, 0x03, 0x56},
 448         {0x06, 0x02, 0x3f},
 449         {0x06, 0x00, 0x40},
 450         {0x06, 0x39, 0x41},
 451         {0x06, 0x69, 0x42},
 452         {0x06, 0x87, 0x43},
 453         {0x06, 0x9e, 0x44},
 454         {0x06, 0xb1, 0x45},
 455         {0x06, 0xbf, 0x46},
 456         {0x06, 0xcc, 0x47},
 457         {0x06, 0xd5, 0x48},
 458         {0x06, 0xdd, 0x49},
 459         {0x06, 0xe3, 0x4a},
 460         {0x06, 0xe8, 0x4b},
 461         {0x06, 0xed, 0x4c},
 462         {0x06, 0xf2, 0x4d},
 463         {0x06, 0xf7, 0x4e},
 464         {0x06, 0xfc, 0x4f},
 465         {0x06, 0xff, 0x50},
 466
 467         {0x05, 0x01, 0xc0},
 468         {0x05, 0x10, 0xcb},
 469         {0x05, 0x40, 0xc1},
 470         {0x05, 0x04, 0xc2},
 471         {0x05, 0x00, 0xca},
 472         {0x05, 0x40, 0xc1},
 473         {0x05, 0x09, 0xc2},
 474         {0x05, 0x00, 0xca},
 475         {0x05, 0xc0, 0xc1},
 476         {0x05, 0x09, 0xc2},
 477         {0x05, 0x00, 0xca},
 478         {0x05, 0x40, 0xc1},
 479         {0x05, 0x59, 0xc2},
 480         {0x05, 0x00, 0xca},
 481         {0x04, 0x00, 0x01},
 482         {0x05, 0x80, 0xc1},
 483         {0x05, 0xec, 0xc2},
 484         {0x05, 0x0, 0xca},
 485
 486         {0x06, 0x02, 0x57},
 487         {0x06, 0x01, 0x58},
 488         {0x06, 0x15, 0x59},
 489         {0x06, 0x0a, 0x5a},
 490         {0x06, 0x01, 0x57},
 491         {0x06, 0x8a, 0x03},
 492         {0x06, 0x0a, 0x6c},
 493         {0x06, 0x30, 0x01},
 494         {0x06, 0x20, 0x02},
 495         {0x06, 0x00, 0x03},
 496
 497         {0x05, 0x8c, 0x25},
 498
 499         {0x06, 0x4d, 0x51},             /* maybe saturation (4d) */
 500         {0x06, 0x84, 0x53},             /* making green (84) */
 501         {0x06, 0x00, 0x57},             /* sharpness (1) */
 502         {0x06, 0x18, 0x08},
 503         {0x06, 0xfc, 0x09},
 504         {0x06, 0xfc, 0x0a},
 505         {0x06, 0xfc, 0x0b},
 506         {0x06, 0x18, 0x0c},             /* maybe hue (18) */
 507         {0x06, 0xfc, 0x0d},
 508         {0x06, 0xfc, 0x0e},
 509         {0x06, 0xfc, 0x0f},
 510         {0x06, 0x18, 0x10},             /* maybe contrast (18) */
 511
 512         {0x05, 0x01, 0x02},
 513
 514         {0x04, 0x00, 0x08},             /* compression */
 515         {0x04, 0x12, 0x09},
 516         {0x04, 0x21, 0x0a},
 517         {0x04, 0x10, 0x0b},
 518         {0x04, 0x21, 0x0c},
 519         {0x04, 0x1d, 0x00},             /* imagetype (1d) */
 520         {0x04, 0x41, 0x01},             /* hardware snapcontrol */
 521
 522         {0x04, 0x00, 0x04},
 523         {0x04, 0x00, 0x05},
 524         {0x04, 0x10, 0x06},
 525         {0x04, 0x10, 0x07},
 526         {0x04, 0x40, 0x06},
 527         {0x04, 0x40, 0x07},
 528         {0x04, 0x00, 0x04},
 529         {0x04, 0x00, 0x05},
 530
 531         {0x06, 0x1c, 0x17},
 532         {0x06, 0xe2, 0x19},
 533         {0x06, 0x1c, 0x1b},
 534         {0x06, 0xe2, 0x1d},
 535         {0x06, 0x5f, 0x1f},
 536         {0x06, 0x32, 0x20},
 537
 538         {0x05, initial_brightness >> 6, 0x00},
 539         {0x05, (initial_brightness << 2) & 0xff, 0x01},
 540         {0x05, 0x06, 0xc1},
 541         {0x05, 0x58, 0xc2},
 542         {0x05, 0x00, 0xca},
 543         {0x05, 0x00, 0x11},
 544         {}
 545 };
 546
 547 static int reg_write(struct usb_device *dev,
 548                      u16 req, u16 index, u16 value)
 549 {
 550         int ret;
 551
 552         ret = usb_control_msg(dev,
 553                         usb_sndctrlpipe(dev, 0),
 554                         req,
 555                         USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 556                         value, index, NULL, 0, 500);
 557         PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
 558                 req, index, value, ret);
 559         if (ret < 0)
 560                 pr_err("reg write: error %d\n", ret);
 561         return ret;
 562 }
 563
 564 /* returns: negative is error, pos or zero is data */
 565 static int reg_read(struct gspca_dev *gspca_dev,
 566                         u16 req,        /* bRequest */
 567                         u16 index)      /* wIndex */
 568 {
 569         int ret;
 570
 571         ret = usb_control_msg(gspca_dev->dev,
 572                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 573                         req,
 574                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 575                         0,                      /* value */
 576                         index,
 577                         gspca_dev->usb_buf, 2,
 578                         500);                   /* timeout */
 579         if (ret < 0)
 580                 return ret;
 581         return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
 582 }
 583
 584 static int write_vector(struct gspca_dev *gspca_dev,
 585                         const u8 data[][3])
 586 {
 587         struct usb_device *dev = gspca_dev->dev;
 588         int ret, i = 0;
 589
 590         while (data[i][0] != 0) {
 591                 ret = reg_write(dev, data[i][0], data[i][2], data[i][1]);
 592                 if (ret < 0)
 593                         return ret;
 594                 i++;
 595         }
 596         return 0;
 597 }
 598
 599 /* this function is called at probe time */
 600 static int sd_config(struct gspca_dev *gspca_dev,
 601                         const struct usb_device_id *id)
 602 {
 603         struct sd *sd = (struct sd *) gspca_dev;
 604         struct cam *cam;
 605
 606         cam = &gspca_dev->cam;
 607         cam->cam_mode = vga_mode;
 608         sd->subtype = id->driver_info;
 609         if (sd->subtype != IntelPCCameraPro)
 610                 cam->nmodes = ARRAY_SIZE(vga_mode);
 611         else                    /* no 640x480 for IntelPCCameraPro */
 612                 cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
 613
 614         return 0;
 615 }
 616
 617 /* this function is called at probe and resume time */
 618 static int sd_init(struct gspca_dev *gspca_dev)
 619 {
 620         struct sd *sd = (struct sd *) gspca_dev;
 621
 622         if (write_vector(gspca_dev,
 623                          sd->subtype == Nxultra
 624                                 ? spca505b_init_data
 625                                 : spca505_init_data))
 626                 return -EIO;
 627         return 0;
 628 }
 629
 630 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
 631 {
 632         reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6);
 633         reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2);
 634 }
 635
 636 static int sd_start(struct gspca_dev *gspca_dev)
 637 {
 638         struct sd *sd = (struct sd *) gspca_dev;
 639         struct usb_device *dev = gspca_dev->dev;
 640         int ret, mode;
 641         static u8 mode_tb[][3] = {
 642         /*        r00   r06   r07       */
 643                 {0x00, 0x10, 0x10},     /* 640x480 */
 644                 {0x01, 0x1a, 0x1a},     /* 352x288 */
 645                 {0x02, 0x1c, 0x1d},     /* 320x240 */
 646                 {0x04, 0x34, 0x34},     /* 176x144 */
 647                 {0x05, 0x40, 0x40}      /* 160x120 */
 648         };
 649
 650         if (sd->subtype == Nxultra)
 651                 write_vector(gspca_dev, spca505b_open_data_ccd);
 652         else
 653                 write_vector(gspca_dev, spca505_open_data_ccd);
 654         ret = reg_read(gspca_dev, 0x06, 0x16);
 655
 656         if (ret < 0) {
 657                 PDEBUG(D_ERR|D_CONF,
 658                        "register read failed err: %d",
 659                        ret);
 660                 return ret;
 661         }
 662         if (ret != 0x0101) {
 663                 pr_err("After vector read returns 0x%04x should be 0x0101\n",
 664                        ret);
 665         }
 666
 667         ret = reg_write(gspca_dev->dev, 0x06, 0x16, 0x0a);
 668         if (ret < 0)
 669                 return ret;
 670         reg_write(gspca_dev->dev, 0x05, 0xc2, 0x12);
 671
 672         /* necessary because without it we can see stream
 673          * only once after loading module */
 674         /* stopping usb registers Tomasz change */
 675         reg_write(dev, 0x02, 0x00, 0x00);
 676
 677         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 678         reg_write(dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
 679         reg_write(dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
 680         reg_write(dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
 681
 682         return reg_write(dev, SPCA50X_REG_USB,
 683                          SPCA50X_USB_CTRL,
 684                          SPCA50X_CUSB_ENABLE);
 685 }
 686
 687 static void sd_stopN(struct gspca_dev *gspca_dev)
 688 {
 689         /* Disable ISO packet machine */
 690         reg_write(gspca_dev->dev, 0x02, 0x00, 0x00);
 691 }
 692
 693 /* called on streamoff with alt 0 and on disconnect */
 694 static void sd_stop0(struct gspca_dev *gspca_dev)
 695 {
 696         if (!gspca_dev->present)
 697                 return;
 698
 699         /* This maybe reset or power control */
 700         reg_write(gspca_dev->dev, 0x03, 0x03, 0x20);
 701         reg_write(gspca_dev->dev, 0x03, 0x01, 0x00);
 702         reg_write(gspca_dev->dev, 0x03, 0x00, 0x01);
 703         reg_write(gspca_dev->dev, 0x05, 0x10, 0x01);
 704         reg_write(gspca_dev->dev, 0x05, 0x11, 0x0f);
 705 }
 706
 707 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 708                         u8 *data,                       /* isoc packet */
 709                         int len)                        /* iso packet length */
 710 {
 711         switch (data[0]) {
 712         case 0:                         /* start of frame */
 713                 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 714                 data += SPCA50X_OFFSET_DATA;
 715                 len -= SPCA50X_OFFSET_DATA;
 716                 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
 717                 break;
 718         case 0xff:                      /* drop */
 719                 break;
 720         default:
 721                 data += 1;
 722                 len -= 1;
 723                 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 724                 break;
 725         }
 726 }
 727
 728 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 729 {
 730         struct gspca_dev *gspca_dev =
 731                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
 732
 733         gspca_dev->usb_err = 0;
 734
 735         if (!gspca_dev->streaming)
 736                 return 0;
 737
 738         switch (ctrl->id) {
 739         case V4L2_CID_BRIGHTNESS:
 740                 setbrightness(gspca_dev, ctrl->val);
 741                 break;
 742         }
 743         return gspca_dev->usb_err;
 744 }
 745
 746 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 747         .s_ctrl = sd_s_ctrl,
 748 };
 749
 750 static int sd_init_controls(struct gspca_dev *gspca_dev)
 751 {
 752         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 753
 754         gspca_dev->vdev.ctrl_handler = hdl;
 755         v4l2_ctrl_handler_init(hdl, 5);
 756         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 757                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
 758
 759         if (hdl->error) {
 760                 pr_err("Could not initialize controls\n");
 761                 return hdl->error;
 762         }
 763         return 0;
 764 }
 765
 766 /* sub-driver description */
 767 static const struct sd_desc sd_desc = {
 768         .name = MODULE_NAME,
 769         .config = sd_config,
 770         .init_controls = sd_init_controls,
 771         .init = sd_init,
 772         .start = sd_start,
 773         .stopN = sd_stopN,
 774         .stop0 = sd_stop0,
 775         .pkt_scan = sd_pkt_scan,
 776 };
 777
 778 /* -- module initialisation -- */
 779 static const struct usb_device_id device_table[] = {
 780         {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
 781         {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
 782 /*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
 783         {}
 784 };
 785 MODULE_DEVICE_TABLE(usb, device_table);
 786
 787 /* -- device connect -- */
 788 static int sd_probe(struct usb_interface *intf,
 789                         const struct usb_device_id *id)
 790 {
 791         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 792                                 THIS_MODULE);
 793 }
 794
 795 static struct usb_driver sd_driver = {
 796         .name = MODULE_NAME,
 797         .id_table = device_table,
 798         .probe = sd_probe,
 799         .disconnect = gspca_disconnect,
 800 #ifdef CONFIG_PM
 801         .suspend = gspca_suspend,
 802         .resume = gspca_resume,
 803         .reset_resume = gspca_resume,
 804 #endif
 805 };
 806
 807 module_usb_driver(sd_driver);