drivers/media/usb/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  */
  17
  18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  19
  20 #define MODULE_NAME "spca505"
  21
  22 #include "gspca.h"
  23
  24 MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  25 MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  26 MODULE_LICENSE("GPL");
  27
  28 /* specific webcam descriptor */
  29 struct sd {
  30         struct gspca_dev gspca_dev;             /* !! must be the first item */
  31
  32         u8 subtype;
  33 #define IntelPCCameraPro 0
  34 #define Nxultra 1
  35 };
  36
  37 static const struct v4l2_pix_format vga_mode[] = {
  38         {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  39                 .bytesperline = 160,
  40                 .sizeimage = 160 * 120 * 3 / 2,
  41                 .colorspace = V4L2_COLORSPACE_SRGB,
  42                 .priv = 4},
  43         {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  44                 .bytesperline = 176,
  45                 .sizeimage = 176 * 144 * 3 / 2,
  46                 .colorspace = V4L2_COLORSPACE_SRGB,
  47                 .priv = 3},
  48         {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  49                 .bytesperline = 320,
  50                 .sizeimage = 320 * 240 * 3 / 2,
  51                 .colorspace = V4L2_COLORSPACE_SRGB,
  52                 .priv = 2},
  53         {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  54                 .bytesperline = 352,
  55                 .sizeimage = 352 * 288 * 3 / 2,
  56                 .colorspace = V4L2_COLORSPACE_SRGB,
  57                 .priv = 1},
  58         {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  59                 .bytesperline = 640,
  60                 .sizeimage = 640 * 480 * 3 / 2,
  61                 .colorspace = V4L2_COLORSPACE_SRGB,
  62                 .priv = 0},
  63 };
  64
  65 #define SPCA50X_OFFSET_DATA 10
  66
  67 #define SPCA50X_REG_USB 0x02    /* spca505 501 */
  68
  69 #define SPCA50X_USB_CTRL 0x00   /* spca505 */
  70 #define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
  71
  72 #define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
  73 #define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
  74 #define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
  75
  76 #define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
  77 #define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
  78 #define SPCA50X_GMISC3_SAA7113RST 0x20  /* Not sure about this one spca505 */
  79
  80 /* Image format and compression control */
  81 #define SPCA50X_REG_COMPRESS 0x04
  82
  83 /*
  84  * Data to initialize a SPCA505. Common to the CCD and external modes
  85  */
  86 static const u8 spca505_init_data[][3] = {
  87         /* bmRequest,value,index */
  88         {SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
  89         /* Sensor reset */
  90         {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
  91         {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
  92         /* Block USB reset */
  93         {SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
  94
  95         {0x05, 0x01, 0x10},
  96                                         /* Maybe power down some stuff */
  97         {0x05, 0x0f, 0x11},
  98
  99         /* Setup internal CCD  ? */
 100         {0x06, 0x10, 0x08},
 101         {0x06, 0x00, 0x09},
 102         {0x06, 0x00, 0x0a},
 103         {0x06, 0x00, 0x0b},
 104         {0x06, 0x10, 0x0c},
 105         {0x06, 0x00, 0x0d},
 106         {0x06, 0x00, 0x0e},
 107         {0x06, 0x00, 0x0f},
 108         {0x06, 0x10, 0x10},
 109         {0x06, 0x02, 0x11},
 110         {0x06, 0x00, 0x12},
 111         {0x06, 0x04, 0x13},
 112         {0x06, 0x02, 0x14},
 113         {0x06, 0x8a, 0x51},
 114         {0x06, 0x40, 0x52},
 115         {0x06, 0xb6, 0x53},
 116         {0x06, 0x3d, 0x54},
 117         {}
 118 };
 119
 120 /*
 121  * Data to initialize the camera using the internal CCD
 122  */
 123 static const u8 spca505_open_data_ccd[][3] = {
 124         /* bmRequest,value,index */
 125         /* Internal CCD data set */
 126         {0x03, 0x04, 0x01},
 127         /* This could be a reset */
 128         {0x03, 0x00, 0x01},
 129
 130         /* Setup compression and image registers. 0x6 and 0x7 seem to be
 131            related to H&V hold, and are resolution mode specific */
 132                 {0x04, 0x10, 0x01},
 133                 /* DIFF(0x50), was (0x10) */
 134         {0x04, 0x00, 0x04},
 135         {0x04, 0x00, 0x05},
 136         {0x04, 0x20, 0x06},
 137         {0x04, 0x20, 0x07},
 138
 139         {0x08, 0x0a, 0x00},
 140         /* DIFF (0x4a), was (0xa) */
 141
 142         {0x05, 0x00, 0x10},
 143         {0x05, 0x00, 0x11},
 144         {0x05, 0x00, 0x00},
 145         /* DIFF not written */
 146         {0x05, 0x00, 0x01},
 147         /* DIFF not written */
 148         {0x05, 0x00, 0x02},
 149         /* DIFF not written */
 150         {0x05, 0x00, 0x03},
 151         /* DIFF not written */
 152         {0x05, 0x00, 0x04},
 153         /* DIFF not written */
 154                 {0x05, 0x80, 0x05},
 155                 /* DIFF not written */
 156                 {0x05, 0xe0, 0x06},
 157                 /* DIFF not written */
 158                 {0x05, 0x20, 0x07},
 159                 /* DIFF not written */
 160                 {0x05, 0xa0, 0x08},
 161                 /* DIFF not written */
 162                 {0x05, 0x0, 0x12},
 163                 /* DIFF not written */
 164         {0x05, 0x02, 0x0f},
 165         /* DIFF not written */
 166                 {0x05, 0x10, 0x46},
 167                 /* DIFF not written */
 168                 {0x05, 0x8, 0x4a},
 169                 /* DIFF not written */
 170
 171         {0x03, 0x08, 0x03},
 172         /* DIFF (0x3,0x28,0x3) */
 173         {0x03, 0x08, 0x01},
 174         {0x03, 0x0c, 0x03},
 175         /* DIFF not written */
 176                 {0x03, 0x21, 0x00},
 177                 /* DIFF (0x39) */
 178
 179 /* Extra block copied from init to hopefully ensure CCD is in a sane state */
 180         {0x06, 0x10, 0x08},
 181         {0x06, 0x00, 0x09},
 182         {0x06, 0x00, 0x0a},
 183         {0x06, 0x00, 0x0b},
 184         {0x06, 0x10, 0x0c},
 185         {0x06, 0x00, 0x0d},
 186         {0x06, 0x00, 0x0e},
 187         {0x06, 0x00, 0x0f},
 188         {0x06, 0x10, 0x10},
 189         {0x06, 0x02, 0x11},
 190         {0x06, 0x00, 0x12},
 191         {0x06, 0x04, 0x13},
 192         {0x06, 0x02, 0x14},
 193         {0x06, 0x8a, 0x51},
 194         {0x06, 0x40, 0x52},
 195         {0x06, 0xb6, 0x53},
 196         {0x06, 0x3d, 0x54},
 197         /* End of extra block */
 198
 199                 {0x06, 0x3f, 0x1},
 200                 /* Block skipped */
 201         {0x06, 0x10, 0x02},
 202         {0x06, 0x64, 0x07},
 203         {0x06, 0x10, 0x08},
 204         {0x06, 0x00, 0x09},
 205         {0x06, 0x00, 0x0a},
 206         {0x06, 0x00, 0x0b},
 207         {0x06, 0x10, 0x0c},
 208         {0x06, 0x00, 0x0d},
 209         {0x06, 0x00, 0x0e},
 210         {0x06, 0x00, 0x0f},
 211         {0x06, 0x10, 0x10},
 212         {0x06, 0x02, 0x11},
 213         {0x06, 0x00, 0x12},
 214         {0x06, 0x04, 0x13},
 215         {0x06, 0x02, 0x14},
 216         {0x06, 0x8a, 0x51},
 217         {0x06, 0x40, 0x52},
 218         {0x06, 0xb6, 0x53},
 219         {0x06, 0x3d, 0x54},
 220         {0x06, 0x60, 0x57},
 221         {0x06, 0x20, 0x58},
 222         {0x06, 0x15, 0x59},
 223         {0x06, 0x05, 0x5a},
 224
 225         {0x05, 0x01, 0xc0},
 226         {0x05, 0x10, 0xcb},
 227                 {0x05, 0x80, 0xc1},
 228                 /* */
 229                 {0x05, 0x0, 0xc2},
 230                 /* 4 was 0 */
 231         {0x05, 0x00, 0xca},
 232                 {0x05, 0x80, 0xc1},
 233                 /*  */
 234         {0x05, 0x04, 0xc2},
 235         {0x05, 0x00, 0xca},
 236                 {0x05, 0x0, 0xc1},
 237                 /*  */
 238         {0x05, 0x00, 0xc2},
 239         {0x05, 0x00, 0xca},
 240                 {0x05, 0x40, 0xc1},
 241                 /* */
 242         {0x05, 0x17, 0xc2},
 243         {0x05, 0x00, 0xca},
 244                 {0x05, 0x80, 0xc1},
 245                 /* */
 246         {0x05, 0x06, 0xc2},
 247         {0x05, 0x00, 0xca},
 248                 {0x05, 0x80, 0xc1},
 249                 /* */
 250         {0x05, 0x04, 0xc2},
 251         {0x05, 0x00, 0xca},
 252
 253         {0x03, 0x4c, 0x3},
 254         {0x03, 0x18, 0x1},
 255
 256         {0x06, 0x70, 0x51},
 257         {0x06, 0xbe, 0x53},
 258         {0x06, 0x71, 0x57},
 259         {0x06, 0x20, 0x58},
 260         {0x06, 0x05, 0x59},
 261         {0x06, 0x15, 0x5a},
 262
 263         {0x04, 0x00, 0x08},
 264         /* Compress = OFF (0x1 to turn on) */
 265         {0x04, 0x12, 0x09},
 266         {0x04, 0x21, 0x0a},
 267         {0x04, 0x10, 0x0b},
 268         {0x04, 0x21, 0x0c},
 269         {0x04, 0x05, 0x00},
 270         /* was 5 (Image Type ? ) */
 271         {0x04, 0x00, 0x01},
 272
 273         {0x06, 0x3f, 0x01},
 274
 275         {0x04, 0x00, 0x04},
 276         {0x04, 0x00, 0x05},
 277         {0x04, 0x40, 0x06},
 278         {0x04, 0x40, 0x07},
 279
 280         {0x06, 0x1c, 0x17},
 281         {0x06, 0xe2, 0x19},
 282         {0x06, 0x1c, 0x1b},
 283         {0x06, 0xe2, 0x1d},
 284         {0x06, 0xaa, 0x1f},
 285         {0x06, 0x70, 0x20},
 286
 287         {0x05, 0x01, 0x10},
 288         {0x05, 0x00, 0x11},
 289         {0x05, 0x01, 0x00},
 290         {0x05, 0x05, 0x01},
 291                 {0x05, 0x00, 0xc1},
 292                 /* */
 293         {0x05, 0x00, 0xc2},
 294         {0x05, 0x00, 0xca},
 295
 296         {0x06, 0x70, 0x51},
 297         {0x06, 0xbe, 0x53},
 298         {}
 299 };
 300
 301 /*
 302  * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
 303  * SPCA505b chip based cameras initialization data
 304  */
 305 /* jfm */
 306 #define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
 307 /* #define initial_brightness 0x0       //0x0(white)-0xff(black) */
 308 /*
 309  * Data to initialize a SPCA505. Common to the CCD and external modes
 310  */
 311 static const u8 spca505b_init_data[][3] = {
 312 /* start */
 313         {0x02, 0x00, 0x00},             /* init */
 314         {0x02, 0x00, 0x01},
 315         {0x02, 0x00, 0x02},
 316         {0x02, 0x00, 0x03},
 317         {0x02, 0x00, 0x04},
 318         {0x02, 0x00, 0x05},
 319         {0x02, 0x00, 0x06},
 320         {0x02, 0x00, 0x07},
 321         {0x02, 0x00, 0x08},
 322         {0x02, 0x00, 0x09},
 323         {0x03, 0x00, 0x00},
 324         {0x03, 0x00, 0x01},
 325         {0x03, 0x00, 0x02},
 326         {0x03, 0x00, 0x03},
 327         {0x03, 0x00, 0x04},
 328         {0x03, 0x00, 0x05},
 329         {0x03, 0x00, 0x06},
 330         {0x04, 0x00, 0x00},
 331         {0x04, 0x00, 0x02},
 332         {0x04, 0x00, 0x04},
 333         {0x04, 0x00, 0x05},
 334         {0x04, 0x00, 0x06},
 335         {0x04, 0x00, 0x07},
 336         {0x04, 0x00, 0x08},
 337         {0x04, 0x00, 0x09},
 338         {0x04, 0x00, 0x0a},
 339         {0x04, 0x00, 0x0b},
 340         {0x04, 0x00, 0x0c},
 341         {0x07, 0x00, 0x00},
 342         {0x07, 0x00, 0x03},
 343         {0x08, 0x00, 0x00},
 344         {0x08, 0x00, 0x01},
 345         {0x08, 0x00, 0x02},
 346         {0x06, 0x18, 0x08},
 347         {0x06, 0xfc, 0x09},
 348         {0x06, 0xfc, 0x0a},
 349         {0x06, 0xfc, 0x0b},
 350         {0x06, 0x18, 0x0c},
 351         {0x06, 0xfc, 0x0d},
 352         {0x06, 0xfc, 0x0e},
 353         {0x06, 0xfc, 0x0f},
 354         {0x06, 0x18, 0x10},
 355         {0x06, 0xfe, 0x12},
 356         {0x06, 0x00, 0x11},
 357         {0x06, 0x00, 0x14},
 358         {0x06, 0x00, 0x13},
 359         {0x06, 0x28, 0x51},
 360         {0x06, 0xff, 0x53},
 361         {0x02, 0x00, 0x08},
 362
 363         {0x03, 0x00, 0x03},
 364         {0x03, 0x10, 0x03},
 365         {}
 366 };
 367
 368 /*
 369  * Data to initialize the camera using the internal CCD
 370  */
 371 static const u8 spca505b_open_data_ccd[][3] = {
 372
 373 /* {0x02,0x00,0x00}, */
 374         {0x03, 0x04, 0x01},             /* rst */
 375         {0x03, 0x00, 0x01},
 376         {0x03, 0x00, 0x00},
 377         {0x03, 0x21, 0x00},
 378         {0x03, 0x00, 0x04},
 379         {0x03, 0x00, 0x03},
 380         {0x03, 0x18, 0x03},
 381         {0x03, 0x08, 0x01},
 382         {0x03, 0x1c, 0x03},
 383         {0x03, 0x5c, 0x03},
 384         {0x03, 0x5c, 0x03},
 385         {0x03, 0x18, 0x01},
 386
 387 /* same as 505 */
 388         {0x04, 0x10, 0x01},
 389         {0x04, 0x00, 0x04},
 390         {0x04, 0x00, 0x05},
 391         {0x04, 0x20, 0x06},
 392         {0x04, 0x20, 0x07},
 393
 394         {0x08, 0x0a, 0x00},
 395
 396         {0x05, 0x00, 0x10},
 397         {0x05, 0x00, 0x11},
 398         {0x05, 0x00, 0x12},
 399         {0x05, 0x6f, 0x00},
 400         {0x05, initial_brightness >> 6, 0x00},
 401         {0x05, (initial_brightness << 2) & 0xff, 0x01},
 402         {0x05, 0x00, 0x02},
 403         {0x05, 0x01, 0x03},
 404         {0x05, 0x00, 0x04},
 405         {0x05, 0x03, 0x05},
 406         {0x05, 0xe0, 0x06},
 407         {0x05, 0x20, 0x07},
 408         {0x05, 0xa0, 0x08},
 409         {0x05, 0x00, 0x12},
 410         {0x05, 0x02, 0x0f},
 411         {0x05, 0x80, 0x14},             /* max exposure off (0=on) */
 412         {0x05, 0x01, 0xb0},
 413         {0x05, 0x01, 0xbf},
 414         {0x03, 0x02, 0x06},
 415         {0x05, 0x10, 0x46},
 416         {0x05, 0x08, 0x4a},
 417
 418         {0x06, 0x00, 0x01},
 419         {0x06, 0x10, 0x02},
 420         {0x06, 0x64, 0x07},
 421         {0x06, 0x18, 0x08},
 422         {0x06, 0xfc, 0x09},
 423         {0x06, 0xfc, 0x0a},
 424         {0x06, 0xfc, 0x0b},
 425         {0x04, 0x00, 0x01},
 426         {0x06, 0x18, 0x0c},
 427         {0x06, 0xfc, 0x0d},
 428         {0x06, 0xfc, 0x0e},
 429         {0x06, 0xfc, 0x0f},
 430         {0x06, 0x11, 0x10},             /* contrast */
 431         {0x06, 0x00, 0x11},
 432         {0x06, 0xfe, 0x12},
 433         {0x06, 0x00, 0x13},
 434         {0x06, 0x00, 0x14},
 435         {0x06, 0x9d, 0x51},
 436         {0x06, 0x40, 0x52},
 437         {0x06, 0x7c, 0x53},
 438         {0x06, 0x40, 0x54},
 439         {0x06, 0x02, 0x57},
 440         {0x06, 0x03, 0x58},
 441         {0x06, 0x15, 0x59},
 442         {0x06, 0x05, 0x5a},
 443         {0x06, 0x03, 0x56},
 444         {0x06, 0x02, 0x3f},
 445         {0x06, 0x00, 0x40},
 446         {0x06, 0x39, 0x41},
 447         {0x06, 0x69, 0x42},
 448         {0x06, 0x87, 0x43},
 449         {0x06, 0x9e, 0x44},
 450         {0x06, 0xb1, 0x45},
 451         {0x06, 0xbf, 0x46},
 452         {0x06, 0xcc, 0x47},
 453         {0x06, 0xd5, 0x48},
 454         {0x06, 0xdd, 0x49},
 455         {0x06, 0xe3, 0x4a},
 456         {0x06, 0xe8, 0x4b},
 457         {0x06, 0xed, 0x4c},
 458         {0x06, 0xf2, 0x4d},
 459         {0x06, 0xf7, 0x4e},
 460         {0x06, 0xfc, 0x4f},
 461         {0x06, 0xff, 0x50},
 462
 463         {0x05, 0x01, 0xc0},
 464         {0x05, 0x10, 0xcb},
 465         {0x05, 0x40, 0xc1},
 466         {0x05, 0x04, 0xc2},
 467         {0x05, 0x00, 0xca},
 468         {0x05, 0x40, 0xc1},
 469         {0x05, 0x09, 0xc2},
 470         {0x05, 0x00, 0xca},
 471         {0x05, 0xc0, 0xc1},
 472         {0x05, 0x09, 0xc2},
 473         {0x05, 0x00, 0xca},
 474         {0x05, 0x40, 0xc1},
 475         {0x05, 0x59, 0xc2},
 476         {0x05, 0x00, 0xca},
 477         {0x04, 0x00, 0x01},
 478         {0x05, 0x80, 0xc1},
 479         {0x05, 0xec, 0xc2},
 480         {0x05, 0x0, 0xca},
 481
 482         {0x06, 0x02, 0x57},
 483         {0x06, 0x01, 0x58},
 484         {0x06, 0x15, 0x59},
 485         {0x06, 0x0a, 0x5a},
 486         {0x06, 0x01, 0x57},
 487         {0x06, 0x8a, 0x03},
 488         {0x06, 0x0a, 0x6c},
 489         {0x06, 0x30, 0x01},
 490         {0x06, 0x20, 0x02},
 491         {0x06, 0x00, 0x03},
 492
 493         {0x05, 0x8c, 0x25},
 494
 495         {0x06, 0x4d, 0x51},             /* maybe saturation (4d) */
 496         {0x06, 0x84, 0x53},             /* making green (84) */
 497         {0x06, 0x00, 0x57},             /* sharpness (1) */
 498         {0x06, 0x18, 0x08},
 499         {0x06, 0xfc, 0x09},
 500         {0x06, 0xfc, 0x0a},
 501         {0x06, 0xfc, 0x0b},
 502         {0x06, 0x18, 0x0c},             /* maybe hue (18) */
 503         {0x06, 0xfc, 0x0d},
 504         {0x06, 0xfc, 0x0e},
 505         {0x06, 0xfc, 0x0f},
 506         {0x06, 0x18, 0x10},             /* maybe contrast (18) */
 507
 508         {0x05, 0x01, 0x02},
 509
 510         {0x04, 0x00, 0x08},             /* compression */
 511         {0x04, 0x12, 0x09},
 512         {0x04, 0x21, 0x0a},
 513         {0x04, 0x10, 0x0b},
 514         {0x04, 0x21, 0x0c},
 515         {0x04, 0x1d, 0x00},             /* imagetype (1d) */
 516         {0x04, 0x41, 0x01},             /* hardware snapcontrol */
 517
 518         {0x04, 0x00, 0x04},
 519         {0x04, 0x00, 0x05},
 520         {0x04, 0x10, 0x06},
 521         {0x04, 0x10, 0x07},
 522         {0x04, 0x40, 0x06},
 523         {0x04, 0x40, 0x07},
 524         {0x04, 0x00, 0x04},
 525         {0x04, 0x00, 0x05},
 526
 527         {0x06, 0x1c, 0x17},
 528         {0x06, 0xe2, 0x19},
 529         {0x06, 0x1c, 0x1b},
 530         {0x06, 0xe2, 0x1d},
 531         {0x06, 0x5f, 0x1f},
 532         {0x06, 0x32, 0x20},
 533
 534         {0x05, initial_brightness >> 6, 0x00},
 535         {0x05, (initial_brightness << 2) & 0xff, 0x01},
 536         {0x05, 0x06, 0xc1},
 537         {0x05, 0x58, 0xc2},
 538         {0x05, 0x00, 0xca},
 539         {0x05, 0x00, 0x11},
 540         {}
 541 };
 542
 543 static int reg_write(struct gspca_dev *gspca_dev,
 544                      u16 req, u16 index, u16 value)
 545 {
 546         int ret;
 547         struct usb_device *dev = gspca_dev->dev;
 548
 549         ret = usb_control_msg(dev,
 550                         usb_sndctrlpipe(dev, 0),
 551                         req,
 552                         USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 553                         value, index, NULL, 0, 500);
 554         gspca_dbg(gspca_dev, D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d\n",
 555                   req, index, value, ret);
 556         if (ret < 0)
 557                 pr_err("reg write: error %d\n", ret);
 558         return ret;
 559 }
 560
 561 /* returns: negative is error, pos or zero is data */
 562 static int reg_read(struct gspca_dev *gspca_dev,
 563                         u16 req,        /* bRequest */
 564                         u16 index)      /* wIndex */
 565 {
 566         int ret;
 567
 568         ret = usb_control_msg(gspca_dev->dev,
 569                         usb_rcvctrlpipe(gspca_dev->dev, 0),
 570                         req,
 571                         USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 572                         0,                      /* value */
 573                         index,
 574                         gspca_dev->usb_buf, 2,
 575                         500);                   /* timeout */
 576         if (ret < 0)
 577                 return ret;
 578         return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
 579 }
 580
 581 static int write_vector(struct gspca_dev *gspca_dev,
 582                         const u8 data[][3])
 583 {
 584         int ret, i = 0;
 585
 586         while (data[i][0] != 0) {
 587                 ret = reg_write(gspca_dev, data[i][0], data[i][2],
 588                                                                 data[i][1]);
 589                 if (ret < 0)
 590                         return ret;
 591                 i++;
 592         }
 593         return 0;
 594 }
 595
 596 /* this function is called at probe time */
 597 static int sd_config(struct gspca_dev *gspca_dev,
 598                         const struct usb_device_id *id)
 599 {
 600         struct sd *sd = (struct sd *) gspca_dev;
 601         struct cam *cam;
 602
 603         cam = &gspca_dev->cam;
 604         cam->cam_mode = vga_mode;
 605         sd->subtype = id->driver_info;
 606         if (sd->subtype != IntelPCCameraPro)
 607                 cam->nmodes = ARRAY_SIZE(vga_mode);
 608         else                    /* no 640x480 for IntelPCCameraPro */
 609                 cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
 610
 611         return 0;
 612 }
 613
 614 /* this function is called at probe and resume time */
 615 static int sd_init(struct gspca_dev *gspca_dev)
 616 {
 617         struct sd *sd = (struct sd *) gspca_dev;
 618
 619         if (write_vector(gspca_dev,
 620                          sd->subtype == Nxultra
 621                                 ? spca505b_init_data
 622                                 : spca505_init_data))
 623                 return -EIO;
 624         return 0;
 625 }
 626
 627 static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
 628 {
 629         reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
 630         reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
 631 }
 632
 633 static int sd_start(struct gspca_dev *gspca_dev)
 634 {
 635         struct sd *sd = (struct sd *) gspca_dev;
 636         int ret, mode;
 637         static u8 mode_tb[][3] = {
 638         /*        r00   r06   r07       */
 639                 {0x00, 0x10, 0x10},     /* 640x480 */
 640                 {0x01, 0x1a, 0x1a},     /* 352x288 */
 641                 {0x02, 0x1c, 0x1d},     /* 320x240 */
 642                 {0x04, 0x34, 0x34},     /* 176x144 */
 643                 {0x05, 0x40, 0x40}      /* 160x120 */
 644         };
 645
 646         if (sd->subtype == Nxultra)
 647                 write_vector(gspca_dev, spca505b_open_data_ccd);
 648         else
 649                 write_vector(gspca_dev, spca505_open_data_ccd);
 650         ret = reg_read(gspca_dev, 0x06, 0x16);
 651
 652         if (ret < 0) {
 653                 gspca_err(gspca_dev, "register read failed err: %d\n", ret);
 654                 return ret;
 655         }
 656         if (ret != 0x0101) {
 657                 pr_err("After vector read returns 0x%04x should be 0x0101\n",
 658                        ret);
 659         }
 660
 661         ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
 662         if (ret < 0)
 663                 return ret;
 664         reg_write(gspca_dev, 0x05, 0xc2, 0x12);
 665
 666         /* necessary because without it we can see stream
 667          * only once after loading module */
 668         /* stopping usb registers Tomasz change */
 669         reg_write(gspca_dev, 0x02, 0x00, 0x00);
 670
 671         mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 672         reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
 673         reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
 674         reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
 675
 676         return reg_write(gspca_dev, SPCA50X_REG_USB,
 677                          SPCA50X_USB_CTRL,
 678                          SPCA50X_CUSB_ENABLE);
 679 }
 680
 681 static void sd_stopN(struct gspca_dev *gspca_dev)
 682 {
 683         /* Disable ISO packet machine */
 684         reg_write(gspca_dev, 0x02, 0x00, 0x00);
 685 }
 686
 687 /* called on streamoff with alt 0 and on disconnect */
 688 static void sd_stop0(struct gspca_dev *gspca_dev)
 689 {
 690         if (!gspca_dev->present)
 691                 return;
 692
 693         /* This maybe reset or power control */
 694         reg_write(gspca_dev, 0x03, 0x03, 0x20);
 695         reg_write(gspca_dev, 0x03, 0x01, 0x00);
 696         reg_write(gspca_dev, 0x03, 0x00, 0x01);
 697         reg_write(gspca_dev, 0x05, 0x10, 0x01);
 698         reg_write(gspca_dev, 0x05, 0x11, 0x0f);
 699 }
 700
 701 static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 702                         u8 *data,                       /* isoc packet */
 703                         int len)                        /* iso packet length */
 704 {
 705         switch (data[0]) {
 706         case 0:                         /* start of frame */
 707                 gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 708                 data += SPCA50X_OFFSET_DATA;
 709                 len -= SPCA50X_OFFSET_DATA;
 710                 gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
 711                 break;
 712         case 0xff:                      /* drop */
 713                 break;
 714         default:
 715                 data += 1;
 716                 len -= 1;
 717                 gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 718                 break;
 719         }
 720 }
 721
 722 static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 723 {
 724         struct gspca_dev *gspca_dev =
 725                 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
 726
 727         gspca_dev->usb_err = 0;
 728
 729         if (!gspca_dev->streaming)
 730                 return 0;
 731
 732         switch (ctrl->id) {
 733         case V4L2_CID_BRIGHTNESS:
 734                 setbrightness(gspca_dev, ctrl->val);
 735                 break;
 736         }
 737         return gspca_dev->usb_err;
 738 }
 739
 740 static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 741         .s_ctrl = sd_s_ctrl,
 742 };
 743
 744 static int sd_init_controls(struct gspca_dev *gspca_dev)
 745 {
 746         struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 747
 748         gspca_dev->vdev.ctrl_handler = hdl;
 749         v4l2_ctrl_handler_init(hdl, 5);
 750         v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 751                         V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
 752
 753         if (hdl->error) {
 754                 pr_err("Could not initialize controls\n");
 755                 return hdl->error;
 756         }
 757         return 0;
 758 }
 759
 760 /* sub-driver description */
 761 static const struct sd_desc sd_desc = {
 762         .name = MODULE_NAME,
 763         .config = sd_config,
 764         .init_controls = sd_init_controls,
 765         .init = sd_init,
 766         .start = sd_start,
 767         .stopN = sd_stopN,
 768         .stop0 = sd_stop0,
 769         .pkt_scan = sd_pkt_scan,
 770 };
 771
 772 /* -- module initialisation -- */
 773 static const struct usb_device_id device_table[] = {
 774         {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
 775         {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
 776 /*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
 777         {}
 778 };
 779 MODULE_DEVICE_TABLE(usb, device_table);
 780
 781 /* -- device connect -- */
 782 static int sd_probe(struct usb_interface *intf,
 783                         const struct usb_device_id *id)
 784 {
 785         return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 786                                 THIS_MODULE);
 787 }
 788
 789 static struct usb_driver sd_driver = {
 790         .name = MODULE_NAME,
 791         .id_table = device_table,
 792         .probe = sd_probe,
 793         .disconnect = gspca_disconnect,
 794 #ifdef CONFIG_PM
 795         .suspend = gspca_suspend,
 796         .resume = gspca_resume,
 797         .reset_resume = gspca_resume,
 798 #endif
 799 };
 800
 801 module_usb_driver(sd_driver);