LXR linux/drivers/media/usb/gspca/spca505.c

   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * SPCA505 chip based cameras initialization data
   4 *
   5 * V4L2 by Jean-Francis Moine <http://moinejf.free.fr>
   6 */
   7
   8#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
   9
  10#define MODULE_NAME "spca505"
  11
  12#include "gspca.h"
  13
  14MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  15MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  16MODULE_LICENSE("GPL");
  17
  18/* specific webcam descriptor */
  19struct sd {
  20        struct gspca_dev gspca_dev;             /* !! must be the first item */
  21
  22        u8 subtype;
  23#define IntelPCCameraPro 0
  24#define Nxultra 1
  25};
  26
  27static const struct v4l2_pix_format vga_mode[] = {
  28        {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  29                .bytesperline = 160,
  30                .sizeimage = 160 * 120 * 3 / 2,
  31                .colorspace = V4L2_COLORSPACE_SRGB,
  32                .priv = 4},
  33        {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  34                .bytesperline = 176,
  35                .sizeimage = 176 * 144 * 3 / 2,
  36                .colorspace = V4L2_COLORSPACE_SRGB,
  37                .priv = 3},
  38        {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  39                .bytesperline = 320,
  40                .sizeimage = 320 * 240 * 3 / 2,
  41                .colorspace = V4L2_COLORSPACE_SRGB,
  42                .priv = 2},
  43        {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  44                .bytesperline = 352,
  45                .sizeimage = 352 * 288 * 3 / 2,
  46                .colorspace = V4L2_COLORSPACE_SRGB,
  47                .priv = 1},
  48        {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  49                .bytesperline = 640,
  50                .sizeimage = 640 * 480 * 3 / 2,
  51                .colorspace = V4L2_COLORSPACE_SRGB,
  52                .priv = 0},
  53};
  54
  55#define SPCA50X_OFFSET_DATA 10
  56
  57#define SPCA50X_REG_USB 0x02    /* spca505 501 */
  58
  59#define SPCA50X_USB_CTRL 0x00   /* spca505 */
  60#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
  61
  62#define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
  63#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
  64#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
  65
  66#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
  67#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
  68#define SPCA50X_GMISC3_SAA7113RST 0x20  /* Not sure about this one spca505 */
  69
  70/* Image format and compression control */
  71#define SPCA50X_REG_COMPRESS 0x04
  72
  73/*
  74 * Data to initialize a SPCA505. Common to the CCD and external modes
  75 */
  76static const u8 spca505_init_data[][3] = {
  77        /* bmRequest,value,index */
  78        {SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
  79        /* Sensor reset */
  80        {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
  81        {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
  82        /* Block USB reset */
  83        {SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
  84
  85        {0x05, 0x01, 0x10},
  86                                        /* Maybe power down some stuff */
  87        {0x05, 0x0f, 0x11},
  88
  89        /* Setup internal CCD  ? */
  90        {0x06, 0x10, 0x08},
  91        {0x06, 0x00, 0x09},
  92        {0x06, 0x00, 0x0a},
  93        {0x06, 0x00, 0x0b},
  94        {0x06, 0x10, 0x0c},
  95        {0x06, 0x00, 0x0d},
  96        {0x06, 0x00, 0x0e},
  97        {0x06, 0x00, 0x0f},
  98        {0x06, 0x10, 0x10},
  99        {0x06, 0x02, 0x11},
 100        {0x06, 0x00, 0x12},
 101        {0x06, 0x04, 0x13},
 102        {0x06, 0x02, 0x14},
 103        {0x06, 0x8a, 0x51},
 104        {0x06, 0x40, 0x52},
 105        {0x06, 0xb6, 0x53},
 106        {0x06, 0x3d, 0x54},
 107        {}
 108};
 109
 110/*
 111 * Data to initialize the camera using the internal CCD
 112 */
 113static const u8 spca505_open_data_ccd[][3] = {
 114        /* bmRequest,value,index */
 115        /* Internal CCD data set */
 116        {0x03, 0x04, 0x01},
 117        /* This could be a reset */
 118        {0x03, 0x00, 0x01},
 119
 120        /* Setup compression and image registers. 0x6 and 0x7 seem to be
 121           related to H&V hold, and are resolution mode specific */
 122                {0x04, 0x10, 0x01},
 123                /* DIFF(0x50), was (0x10) */
 124        {0x04, 0x00, 0x04},
 125        {0x04, 0x00, 0x05},
 126        {0x04, 0x20, 0x06},
 127        {0x04, 0x20, 0x07},
 128
 129        {0x08, 0x0a, 0x00},
 130        /* DIFF (0x4a), was (0xa) */
 131
 132        {0x05, 0x00, 0x10},
 133        {0x05, 0x00, 0x11},
 134        {0x05, 0x00, 0x00},
 135        /* DIFF not written */
 136        {0x05, 0x00, 0x01},
 137        /* DIFF not written */
 138        {0x05, 0x00, 0x02},
 139        /* DIFF not written */
 140        {0x05, 0x00, 0x03},
 141        /* DIFF not written */
 142        {0x05, 0x00, 0x04},
 143        /* DIFF not written */
 144                {0x05, 0x80, 0x05},
 145                /* DIFF not written */
 146                {0x05, 0xe0, 0x06},
 147                /* DIFF not written */
 148                {0x05, 0x20, 0x07},
 149                /* DIFF not written */
 150                {0x05, 0xa0, 0x08},
 151                /* DIFF not written */
 152                {0x05, 0x0, 0x12},
 153                /* DIFF not written */
 154        {0x05, 0x02, 0x0f},
 155        /* DIFF not written */
 156                {0x05, 0x10, 0x46},
 157                /* DIFF not written */
 158                {0x05, 0x8, 0x4a},
 159                /* DIFF not written */
 160
 161        {0x03, 0x08, 0x03},
 162        /* DIFF (0x3,0x28,0x3) */
 163        {0x03, 0x08, 0x01},
 164        {0x03, 0x0c, 0x03},
 165        /* DIFF not written */
 166                {0x03, 0x21, 0x00},
 167                /* DIFF (0x39) */
 168
 169/* Extra block copied from init to hopefully ensure CCD is in a sane state */
 170        {0x06, 0x10, 0x08},
 171        {0x06, 0x00, 0x09},
 172        {0x06, 0x00, 0x0a},
 173        {0x06, 0x00, 0x0b},
 174        {0x06, 0x10, 0x0c},
 175        {0x06, 0x00, 0x0d},
 176        {0x06, 0x00, 0x0e},
 177        {0x06, 0x00, 0x0f},
 178        {0x06, 0x10, 0x10},
 179        {0x06, 0x02, 0x11},
 180        {0x06, 0x00, 0x12},
 181        {0x06, 0x04, 0x13},
 182        {0x06, 0x02, 0x14},
 183        {0x06, 0x8a, 0x51},
 184        {0x06, 0x40, 0x52},
 185        {0x06, 0xb6, 0x53},
 186        {0x06, 0x3d, 0x54},
 187        /* End of extra block */
 188
 189                {0x06, 0x3f, 0x1},
 190                /* Block skipped */
 191        {0x06, 0x10, 0x02},
 192        {0x06, 0x64, 0x07},
 193        {0x06, 0x10, 0x08},
 194        {0x06, 0x00, 0x09},
 195        {0x06, 0x00, 0x0a},
 196        {0x06, 0x00, 0x0b},
 197        {0x06, 0x10, 0x0c},
 198        {0x06, 0x00, 0x0d},
 199        {0x06, 0x00, 0x0e},
 200        {0x06, 0x00, 0x0f},
 201        {0x06, 0x10, 0x10},
 202        {0x06, 0x02, 0x11},
 203        {0x06, 0x00, 0x12},
 204        {0x06, 0x04, 0x13},
 205        {0x06, 0x02, 0x14},
 206        {0x06, 0x8a, 0x51},
 207        {0x06, 0x40, 0x52},
 208        {0x06, 0xb6, 0x53},
 209        {0x06, 0x3d, 0x54},
 210        {0x06, 0x60, 0x57},
 211        {0x06, 0x20, 0x58},
 212        {0x06, 0x15, 0x59},
 213        {0x06, 0x05, 0x5a},
 214
 215        {0x05, 0x01, 0xc0},
 216        {0x05, 0x10, 0xcb},
 217                {0x05, 0x80, 0xc1},
 218                /* */
 219                {0x05, 0x0, 0xc2},
 220                /* 4 was 0 */
 221        {0x05, 0x00, 0xca},
 222                {0x05, 0x80, 0xc1},
 223                /*  */
 224        {0x05, 0x04, 0xc2},
 225        {0x05, 0x00, 0xca},
 226                {0x05, 0x0, 0xc1},
 227                /*  */
 228        {0x05, 0x00, 0xc2},
 229        {0x05, 0x00, 0xca},
 230                {0x05, 0x40, 0xc1},
 231                /* */
 232        {0x05, 0x17, 0xc2},
 233        {0x05, 0x00, 0xca},
 234                {0x05, 0x80, 0xc1},
 235                /* */
 236        {0x05, 0x06, 0xc2},
 237        {0x05, 0x00, 0xca},
 238                {0x05, 0x80, 0xc1},
 239                /* */
 240        {0x05, 0x04, 0xc2},
 241        {0x05, 0x00, 0xca},
 242
 243        {0x03, 0x4c, 0x3},
 244        {0x03, 0x18, 0x1},
 245
 246        {0x06, 0x70, 0x51},
 247        {0x06, 0xbe, 0x53},
 248        {0x06, 0x71, 0x57},
 249        {0x06, 0x20, 0x58},
 250        {0x06, 0x05, 0x59},
 251        {0x06, 0x15, 0x5a},
 252
 253        {0x04, 0x00, 0x08},
 254        /* Compress = OFF (0x1 to turn on) */
 255        {0x04, 0x12, 0x09},
 256        {0x04, 0x21, 0x0a},
 257        {0x04, 0x10, 0x0b},
 258        {0x04, 0x21, 0x0c},
 259        {0x04, 0x05, 0x00},
 260        /* was 5 (Image Type ? ) */
 261        {0x04, 0x00, 0x01},
 262
 263        {0x06, 0x3f, 0x01},
 264
 265        {0x04, 0x00, 0x04},
 266        {0x04, 0x00, 0x05},
 267        {0x04, 0x40, 0x06},
 268        {0x04, 0x40, 0x07},
 269
 270        {0x06, 0x1c, 0x17},
 271        {0x06, 0xe2, 0x19},
 272        {0x06, 0x1c, 0x1b},
 273        {0x06, 0xe2, 0x1d},
 274        {0x06, 0xaa, 0x1f},
 275        {0x06, 0x70, 0x20},
 276
 277        {0x05, 0x01, 0x10},
 278        {0x05, 0x00, 0x11},
 279        {0x05, 0x01, 0x00},
 280        {0x05, 0x05, 0x01},
 281                {0x05, 0x00, 0xc1},
 282                /* */
 283        {0x05, 0x00, 0xc2},
 284        {0x05, 0x00, 0xca},
 285
 286        {0x06, 0x70, 0x51},
 287        {0x06, 0xbe, 0x53},
 288        {}
 289};
 290
 291/*
 292 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
 293 * SPCA505b chip based cameras initialization data
 294 */
 295/* jfm */
 296#define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
 297/* #define initial_brightness 0x0       //0x0(white)-0xff(black) */
 298/*
 299 * Data to initialize a SPCA505. Common to the CCD and external modes
 300 */
 301static const u8 spca505b_init_data[][3] = {
 302/* start */
 303        {0x02, 0x00, 0x00},             /* init */
 304        {0x02, 0x00, 0x01},
 305        {0x02, 0x00, 0x02},
 306        {0x02, 0x00, 0x03},
 307        {0x02, 0x00, 0x04},
 308        {0x02, 0x00, 0x05},
 309        {0x02, 0x00, 0x06},
 310        {0x02, 0x00, 0x07},
 311        {0x02, 0x00, 0x08},
 312        {0x02, 0x00, 0x09},
 313        {0x03, 0x00, 0x00},
 314        {0x03, 0x00, 0x01},
 315        {0x03, 0x00, 0x02},
 316        {0x03, 0x00, 0x03},
 317        {0x03, 0x00, 0x04},
 318        {0x03, 0x00, 0x05},
 319        {0x03, 0x00, 0x06},
 320        {0x04, 0x00, 0x00},
 321        {0x04, 0x00, 0x02},
 322        {0x04, 0x00, 0x04},
 323        {0x04, 0x00, 0x05},
 324        {0x04, 0x00, 0x06},
 325        {0x04, 0x00, 0x07},
 326        {0x04, 0x00, 0x08},
 327        {0x04, 0x00, 0x09},
 328        {0x04, 0x00, 0x0a},
 329        {0x04, 0x00, 0x0b},
 330        {0x04, 0x00, 0x0c},
 331        {0x07, 0x00, 0x00},
 332        {0x07, 0x00, 0x03},
 333        {0x08, 0x00, 0x00},
 334        {0x08, 0x00, 0x01},
 335        {0x08, 0x00, 0x02},
 336        {0x06, 0x18, 0x08},
 337        {0x06, 0xfc, 0x09},
 338        {0x06, 0xfc, 0x0a},
 339        {0x06, 0xfc, 0x0b},
 340        {0x06, 0x18, 0x0c},
 341        {0x06, 0xfc, 0x0d},
 342        {0x06, 0xfc, 0x0e},
 343        {0x06, 0xfc, 0x0f},
 344        {0x06, 0x18, 0x10},
 345        {0x06, 0xfe, 0x12},
 346        {0x06, 0x00, 0x11},
 347        {0x06, 0x00, 0x14},
 348        {0x06, 0x00, 0x13},
 349        {0x06, 0x28, 0x51},
 350        {0x06, 0xff, 0x53},
 351        {0x02, 0x00, 0x08},
 352
 353        {0x03, 0x00, 0x03},
 354        {0x03, 0x10, 0x03},
 355        {}
 356};
 357
 358/*
 359 * Data to initialize the camera using the internal CCD
 360 */
 361static const u8 spca505b_open_data_ccd[][3] = {
 362
 363/* {0x02,0x00,0x00}, */
 364        {0x03, 0x04, 0x01},             /* rst */
 365        {0x03, 0x00, 0x01},
 366        {0x03, 0x00, 0x00},
 367        {0x03, 0x21, 0x00},
 368        {0x03, 0x00, 0x04},
 369        {0x03, 0x00, 0x03},
 370        {0x03, 0x18, 0x03},
 371        {0x03, 0x08, 0x01},
 372        {0x03, 0x1c, 0x03},
 373        {0x03, 0x5c, 0x03},
 374        {0x03, 0x5c, 0x03},
 375        {0x03, 0x18, 0x01},
 376
 377/* same as 505 */
 378        {0x04, 0x10, 0x01},
 379        {0x04, 0x00, 0x04},
 380        {0x04, 0x00, 0x05},
 381        {0x04, 0x20, 0x06},
 382        {0x04, 0x20, 0x07},
 383
 384        {0x08, 0x0a, 0x00},
 385
 386        {0x05, 0x00, 0x10},
 387        {0x05, 0x00, 0x11},
 388        {0x05, 0x00, 0x12},
 389        {0x05, 0x6f, 0x00},
 390        {0x05, initial_brightness >> 6, 0x00},
 391        {0x05, (initial_brightness << 2) & 0xff, 0x01},
 392        {0x05, 0x00, 0x02},
 393        {0x05, 0x01, 0x03},
 394        {0x05, 0x00, 0x04},
 395        {0x05, 0x03, 0x05},
 396        {0x05, 0xe0, 0x06},
 397        {0x05, 0x20, 0x07},
 398        {0x05, 0xa0, 0x08},
 399        {0x05, 0x00, 0x12},
 400        {0x05, 0x02, 0x0f},
 401        {0x05, 0x80, 0x14},             /* max exposure off (0=on) */
 402        {0x05, 0x01, 0xb0},
 403        {0x05, 0x01, 0xbf},
 404        {0x03, 0x02, 0x06},
 405        {0x05, 0x10, 0x46},
 406        {0x05, 0x08, 0x4a},
 407
 408        {0x06, 0x00, 0x01},
 409        {0x06, 0x10, 0x02},
 410        {0x06, 0x64, 0x07},
 411        {0x06, 0x18, 0x08},
 412        {0x06, 0xfc, 0x09},
 413        {0x06, 0xfc, 0x0a},
 414        {0x06, 0xfc, 0x0b},
 415        {0x04, 0x00, 0x01},
 416        {0x06, 0x18, 0x0c},
 417        {0x06, 0xfc, 0x0d},
 418        {0x06, 0xfc, 0x0e},
 419        {0x06, 0xfc, 0x0f},
 420        {0x06, 0x11, 0x10},             /* contrast */
 421        {0x06, 0x00, 0x11},
 422        {0x06, 0xfe, 0x12},
 423        {0x06, 0x00, 0x13},
 424        {0x06, 0x00, 0x14},
 425        {0x06, 0x9d, 0x51},
 426        {0x06, 0x40, 0x52},
 427        {0x06, 0x7c, 0x53},
 428        {0x06, 0x40, 0x54},
 429        {0x06, 0x02, 0x57},
 430        {0x06, 0x03, 0x58},
 431        {0x06, 0x15, 0x59},
 432        {0x06, 0x05, 0x5a},
 433        {0x06, 0x03, 0x56},
 434        {0x06, 0x02, 0x3f},
 435        {0x06, 0x00, 0x40},
 436        {0x06, 0x39, 0x41},
 437        {0x06, 0x69, 0x42},
 438        {0x06, 0x87, 0x43},
 439        {0x06, 0x9e, 0x44},
 440        {0x06, 0xb1, 0x45},
 441        {0x06, 0xbf, 0x46},
 442        {0x06, 0xcc, 0x47},
 443        {0x06, 0xd5, 0x48},
 444        {0x06, 0xdd, 0x49},
 445        {0x06, 0xe3, 0x4a},
 446        {0x06, 0xe8, 0x4b},
 447        {0x06, 0xed, 0x4c},
 448        {0x06, 0xf2, 0x4d},
 449        {0x06, 0xf7, 0x4e},
 450        {0x06, 0xfc, 0x4f},
 451        {0x06, 0xff, 0x50},
 452
 453        {0x05, 0x01, 0xc0},
 454        {0x05, 0x10, 0xcb},
 455        {0x05, 0x40, 0xc1},
 456        {0x05, 0x04, 0xc2},
 457        {0x05, 0x00, 0xca},
 458        {0x05, 0x40, 0xc1},
 459        {0x05, 0x09, 0xc2},
 460        {0x05, 0x00, 0xca},
 461        {0x05, 0xc0, 0xc1},
 462        {0x05, 0x09, 0xc2},
 463        {0x05, 0x00, 0xca},
 464        {0x05, 0x40, 0xc1},
 465        {0x05, 0x59, 0xc2},
 466        {0x05, 0x00, 0xca},
 467        {0x04, 0x00, 0x01},
 468        {0x05, 0x80, 0xc1},
 469        {0x05, 0xec, 0xc2},
 470        {0x05, 0x0, 0xca},
 471
 472        {0x06, 0x02, 0x57},
 473        {0x06, 0x01, 0x58},
 474        {0x06, 0x15, 0x59},
 475        {0x06, 0x0a, 0x5a},
 476        {0x06, 0x01, 0x57},
 477        {0x06, 0x8a, 0x03},
 478        {0x06, 0x0a, 0x6c},
 479        {0x06, 0x30, 0x01},
 480        {0x06, 0x20, 0x02},
 481        {0x06, 0x00, 0x03},
 482
 483        {0x05, 0x8c, 0x25},
 484
 485        {0x06, 0x4d, 0x51},             /* maybe saturation (4d) */
 486        {0x06, 0x84, 0x53},             /* making green (84) */
 487        {0x06, 0x00, 0x57},             /* sharpness (1) */
 488        {0x06, 0x18, 0x08},
 489        {0x06, 0xfc, 0x09},
 490        {0x06, 0xfc, 0x0a},
 491        {0x06, 0xfc, 0x0b},
 492        {0x06, 0x18, 0x0c},             /* maybe hue (18) */
 493        {0x06, 0xfc, 0x0d},
 494        {0x06, 0xfc, 0x0e},
 495        {0x06, 0xfc, 0x0f},
 496        {0x06, 0x18, 0x10},             /* maybe contrast (18) */
 497
 498        {0x05, 0x01, 0x02},
 499
 500        {0x04, 0x00, 0x08},             /* compression */
 501        {0x04, 0x12, 0x09},
 502        {0x04, 0x21, 0x0a},
 503        {0x04, 0x10, 0x0b},
 504        {0x04, 0x21, 0x0c},
 505        {0x04, 0x1d, 0x00},             /* imagetype (1d) */
 506        {0x04, 0x41, 0x01},             /* hardware snapcontrol */
 507
 508        {0x04, 0x00, 0x04},
 509        {0x04, 0x00, 0x05},
 510        {0x04, 0x10, 0x06},
 511        {0x04, 0x10, 0x07},
 512        {0x04, 0x40, 0x06},
 513        {0x04, 0x40, 0x07},
 514        {0x04, 0x00, 0x04},
 515        {0x04, 0x00, 0x05},
 516
 517        {0x06, 0x1c, 0x17},
 518        {0x06, 0xe2, 0x19},
 519        {0x06, 0x1c, 0x1b},
 520        {0x06, 0xe2, 0x1d},
 521        {0x06, 0x5f, 0x1f},
 522        {0x06, 0x32, 0x20},
 523
 524        {0x05, initial_brightness >> 6, 0x00},
 525        {0x05, (initial_brightness << 2) & 0xff, 0x01},
 526        {0x05, 0x06, 0xc1},
 527        {0x05, 0x58, 0xc2},
 528        {0x05, 0x00, 0xca},
 529        {0x05, 0x00, 0x11},
 530        {}
 531};
 532
 533static int reg_write(struct gspca_dev *gspca_dev,
 534                     u16 req, u16 index, u16 value)
 535{
 536        int ret;
 537        struct usb_device *dev = gspca_dev->dev;
 538
 539        ret = usb_control_msg(dev,
 540                        usb_sndctrlpipe(dev, 0),
 541                        req,
 542                        USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 543                        value, index, NULL, 0, 500);
 544        gspca_dbg(gspca_dev, D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d\n",
 545                  req, index, value, ret);
 546        if (ret < 0)
 547                pr_err("reg write: error %d\n", ret);
 548        return ret;
 549}
 550
 551/* returns: negative is error, pos or zero is data */
 552static int reg_read(struct gspca_dev *gspca_dev,
 553                        u16 req,        /* bRequest */
 554                        u16 index)      /* wIndex */
 555{
 556        int ret;
 557
 558        ret = usb_control_msg(gspca_dev->dev,
 559                        usb_rcvctrlpipe(gspca_dev->dev, 0),
 560                        req,
 561                        USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 562                        0,                      /* value */
 563                        index,
 564                        gspca_dev->usb_buf, 2,
 565                        500);                   /* timeout */
 566        if (ret < 0)
 567                return ret;
 568        return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
 569}
 570
 571static int write_vector(struct gspca_dev *gspca_dev,
 572                        const u8 data[][3])
 573{
 574        int ret, i = 0;
 575
 576        while (data[i][0] != 0) {
 577                ret = reg_write(gspca_dev, data[i][0], data[i][2],
 578                                                                data[i][1]);
 579                if (ret < 0)
 580                        return ret;
 581                i++;
 582        }
 583        return 0;
 584}
 585
 586/* this function is called at probe time */
 587static int sd_config(struct gspca_dev *gspca_dev,
 588                        const struct usb_device_id *id)
 589{
 590        struct sd *sd = (struct sd *) gspca_dev;
 591        struct cam *cam;
 592
 593        cam = &gspca_dev->cam;
 594        cam->cam_mode = vga_mode;
 595        sd->subtype = id->driver_info;
 596        if (sd->subtype != IntelPCCameraPro)
 597                cam->nmodes = ARRAY_SIZE(vga_mode);
 598        else                    /* no 640x480 for IntelPCCameraPro */
 599                cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
 600
 601        return 0;
 602}
 603
 604/* this function is called at probe and resume time */
 605static int sd_init(struct gspca_dev *gspca_dev)
 606{
 607        struct sd *sd = (struct sd *) gspca_dev;
 608
 609        if (write_vector(gspca_dev,
 610                         sd->subtype == Nxultra
 611                                ? spca505b_init_data
 612                                : spca505_init_data))
 613                return -EIO;
 614        return 0;
 615}
 616
 617static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
 618{
 619        reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
 620        reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
 621}
 622
 623static int sd_start(struct gspca_dev *gspca_dev)
 624{
 625        struct sd *sd = (struct sd *) gspca_dev;
 626        int ret, mode;
 627        static u8 mode_tb[][3] = {
 628        /*        r00   r06   r07       */
 629                {0x00, 0x10, 0x10},     /* 640x480 */
 630                {0x01, 0x1a, 0x1a},     /* 352x288 */
 631                {0x02, 0x1c, 0x1d},     /* 320x240 */
 632                {0x04, 0x34, 0x34},     /* 176x144 */
 633                {0x05, 0x40, 0x40}      /* 160x120 */
 634        };
 635
 636        if (sd->subtype == Nxultra)
 637                write_vector(gspca_dev, spca505b_open_data_ccd);
 638        else
 639                write_vector(gspca_dev, spca505_open_data_ccd);
 640        ret = reg_read(gspca_dev, 0x06, 0x16);
 641
 642        if (ret < 0) {
 643                gspca_err(gspca_dev, "register read failed err: %d\n", ret);
 644                return ret;
 645        }
 646        if (ret != 0x0101) {
 647                pr_err("After vector read returns 0x%04x should be 0x0101\n",
 648                       ret);
 649        }
 650
 651        ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
 652        if (ret < 0)
 653                return ret;
 654        reg_write(gspca_dev, 0x05, 0xc2, 0x12);
 655
 656        /* necessary because without it we can see stream
 657         * only once after loading module */
 658        /* stopping usb registers Tomasz change */
 659        reg_write(gspca_dev, 0x02, 0x00, 0x00);
 660
 661        mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 662        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
 663        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
 664        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
 665
 666        return reg_write(gspca_dev, SPCA50X_REG_USB,
 667                         SPCA50X_USB_CTRL,
 668                         SPCA50X_CUSB_ENABLE);
 669}
 670
 671static void sd_stopN(struct gspca_dev *gspca_dev)
 672{
 673        /* Disable ISO packet machine */
 674        reg_write(gspca_dev, 0x02, 0x00, 0x00);
 675}
 676
 677/* called on streamoff with alt 0 and on disconnect */
 678static void sd_stop0(struct gspca_dev *gspca_dev)
 679{
 680        if (!gspca_dev->present)
 681                return;
 682
 683        /* This maybe reset or power control */
 684        reg_write(gspca_dev, 0x03, 0x03, 0x20);
 685        reg_write(gspca_dev, 0x03, 0x01, 0x00);
 686        reg_write(gspca_dev, 0x03, 0x00, 0x01);
 687        reg_write(gspca_dev, 0x05, 0x10, 0x01);
 688        reg_write(gspca_dev, 0x05, 0x11, 0x0f);
 689}
 690
 691static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 692                        u8 *data,                       /* isoc packet */
 693                        int len)                        /* iso packet length */
 694{
 695        switch (data[0]) {
 696        case 0:                         /* start of frame */
 697                gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 698                data += SPCA50X_OFFSET_DATA;
 699                len -= SPCA50X_OFFSET_DATA;
 700                gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
 701                break;
 702        case 0xff:                      /* drop */
 703                break;
 704        default:
 705                data += 1;
 706                len -= 1;
 707                gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 708                break;
 709        }
 710}
 711
 712static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 713{
 714        struct gspca_dev *gspca_dev =
 715                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
 716
 717        gspca_dev->usb_err = 0;
 718
 719        if (!gspca_dev->streaming)
 720                return 0;
 721
 722        switch (ctrl->id) {
 723        case V4L2_CID_BRIGHTNESS:
 724                setbrightness(gspca_dev, ctrl->val);
 725                break;
 726        }
 727        return gspca_dev->usb_err;
 728}
 729
 730static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 731        .s_ctrl = sd_s_ctrl,
 732};
 733
 734static int sd_init_controls(struct gspca_dev *gspca_dev)
 735{
 736        struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 737
 738        gspca_dev->vdev.ctrl_handler = hdl;
 739        v4l2_ctrl_handler_init(hdl, 5);
 740        v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 741                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
 742
 743        if (hdl->error) {
 744                pr_err("Could not initialize controls\n");
 745                return hdl->error;
 746        }
 747        return 0;
 748}
 749
 750/* sub-driver description */
 751static const struct sd_desc sd_desc = {
 752        .name = MODULE_NAME,
 753        .config = sd_config,
 754        .init_controls = sd_init_controls,
 755        .init = sd_init,
 756        .start = sd_start,
 757        .stopN = sd_stopN,
 758        .stop0 = sd_stop0,
 759        .pkt_scan = sd_pkt_scan,
 760};
 761
 762/* -- module initialisation -- */
 763static const struct usb_device_id device_table[] = {
 764        {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
 765        {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
 766/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
 767        {}
 768};
 769MODULE_DEVICE_TABLE(usb, device_table);
 770
 771/* -- device connect -- */
 772static int sd_probe(struct usb_interface *intf,
 773                        const struct usb_device_id *id)
 774{
 775        return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 776                                THIS_MODULE);
 777}
 778
 779static struct usb_driver sd_driver = {
 780        .name = MODULE_NAME,
 781        .id_table = device_table,
 782        .probe = sd_probe,
 783        .disconnect = gspca_disconnect,
 784#ifdef CONFIG_PM
 785        .suspend = gspca_suspend,
 786        .resume = gspca_resume,
 787        .reset_resume = gspca_resume,
 788#endif
 789};
 790
 791module_usb_driver(sd_driver);
 792