LXR linux/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
  24MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  25MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  26MODULE_LICENSE("GPL");
  27
  28/* specific webcam descriptor */
  29struct 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
  37static 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 */
  86static 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 */
 123static 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 */
 311static 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 */
 371static 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
 543static 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 */
 562static 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
 581static 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 */
 597static 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 */
 615static 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
 627static 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
 633static 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
 681static 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 */
 688static 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
 701static 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
 722static 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
 740static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 741        .s_ctrl = sd_s_ctrl,
 742};
 743
 744static 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 */
 761static 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 -- */
 773static 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};
 779MODULE_DEVICE_TABLE(usb, device_table);
 780
 781/* -- device connect -- */
 782static 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
 789static 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
 801module_usb_driver(sd_driver);
 802