linux/drivers/media/usb/gspca/spca505.c
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   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
  28MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  29MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  30MODULE_LICENSE("GPL");
  31
  32/* specific webcam descriptor */
  33struct 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
  41static 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 */
  90static 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 */
 127static 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 */
 315static 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 */
 375static 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
 547static int reg_write(struct gspca_dev *gspca_dev,
 548                     u16 req, u16 index, u16 value)
 549{
 550        int ret;
 551        struct usb_device *dev = gspca_dev->dev;
 552
 553        ret = usb_control_msg(dev,
 554                        usb_sndctrlpipe(dev, 0),
 555                        req,
 556                        USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 557                        value, index, NULL, 0, 500);
 558        PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
 559                req, index, value, ret);
 560        if (ret < 0)
 561                pr_err("reg write: error %d\n", ret);
 562        return ret;
 563}
 564
 565/* returns: negative is error, pos or zero is data */
 566static int reg_read(struct gspca_dev *gspca_dev,
 567                        u16 req,        /* bRequest */
 568                        u16 index)      /* wIndex */
 569{
 570        int ret;
 571
 572        ret = usb_control_msg(gspca_dev->dev,
 573                        usb_rcvctrlpipe(gspca_dev->dev, 0),
 574                        req,
 575                        USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 576                        0,                      /* value */
 577                        index,
 578                        gspca_dev->usb_buf, 2,
 579                        500);                   /* timeout */
 580        if (ret < 0)
 581                return ret;
 582        return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
 583}
 584
 585static int write_vector(struct gspca_dev *gspca_dev,
 586                        const u8 data[][3])
 587{
 588        int ret, i = 0;
 589
 590        while (data[i][0] != 0) {
 591                ret = reg_write(gspca_dev, data[i][0], data[i][2],
 592                                                                data[i][1]);
 593                if (ret < 0)
 594                        return ret;
 595                i++;
 596        }
 597        return 0;
 598}
 599
 600/* this function is called at probe time */
 601static int sd_config(struct gspca_dev *gspca_dev,
 602                        const struct usb_device_id *id)
 603{
 604        struct sd *sd = (struct sd *) gspca_dev;
 605        struct cam *cam;
 606
 607        cam = &gspca_dev->cam;
 608        cam->cam_mode = vga_mode;
 609        sd->subtype = id->driver_info;
 610        if (sd->subtype != IntelPCCameraPro)
 611                cam->nmodes = ARRAY_SIZE(vga_mode);
 612        else                    /* no 640x480 for IntelPCCameraPro */
 613                cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
 614
 615        return 0;
 616}
 617
 618/* this function is called at probe and resume time */
 619static int sd_init(struct gspca_dev *gspca_dev)
 620{
 621        struct sd *sd = (struct sd *) gspca_dev;
 622
 623        if (write_vector(gspca_dev,
 624                         sd->subtype == Nxultra
 625                                ? spca505b_init_data
 626                                : spca505_init_data))
 627                return -EIO;
 628        return 0;
 629}
 630
 631static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
 632{
 633        reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
 634        reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
 635}
 636
 637static int sd_start(struct gspca_dev *gspca_dev)
 638{
 639        struct sd *sd = (struct sd *) gspca_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                PERR("register read failed err: %d", ret);
 658                return ret;
 659        }
 660        if (ret != 0x0101) {
 661                pr_err("After vector read returns 0x%04x should be 0x0101\n",
 662                       ret);
 663        }
 664
 665        ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
 666        if (ret < 0)
 667                return ret;
 668        reg_write(gspca_dev, 0x05, 0xc2, 0x12);
 669
 670        /* necessary because without it we can see stream
 671         * only once after loading module */
 672        /* stopping usb registers Tomasz change */
 673        reg_write(gspca_dev, 0x02, 0x00, 0x00);
 674
 675        mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 676        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
 677        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
 678        reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
 679
 680        return reg_write(gspca_dev, SPCA50X_REG_USB,
 681                         SPCA50X_USB_CTRL,
 682                         SPCA50X_CUSB_ENABLE);
 683}
 684
 685static void sd_stopN(struct gspca_dev *gspca_dev)
 686{
 687        /* Disable ISO packet machine */
 688        reg_write(gspca_dev, 0x02, 0x00, 0x00);
 689}
 690
 691/* called on streamoff with alt 0 and on disconnect */
 692static void sd_stop0(struct gspca_dev *gspca_dev)
 693{
 694        if (!gspca_dev->present)
 695                return;
 696
 697        /* This maybe reset or power control */
 698        reg_write(gspca_dev, 0x03, 0x03, 0x20);
 699        reg_write(gspca_dev, 0x03, 0x01, 0x00);
 700        reg_write(gspca_dev, 0x03, 0x00, 0x01);
 701        reg_write(gspca_dev, 0x05, 0x10, 0x01);
 702        reg_write(gspca_dev, 0x05, 0x11, 0x0f);
 703}
 704
 705static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 706                        u8 *data,                       /* isoc packet */
 707                        int len)                        /* iso packet length */
 708{
 709        switch (data[0]) {
 710        case 0:                         /* start of frame */
 711                gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
 712                data += SPCA50X_OFFSET_DATA;
 713                len -= SPCA50X_OFFSET_DATA;
 714                gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
 715                break;
 716        case 0xff:                      /* drop */
 717                break;
 718        default:
 719                data += 1;
 720                len -= 1;
 721                gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
 722                break;
 723        }
 724}
 725
 726static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
 727{
 728        struct gspca_dev *gspca_dev =
 729                container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
 730
 731        gspca_dev->usb_err = 0;
 732
 733        if (!gspca_dev->streaming)
 734                return 0;
 735
 736        switch (ctrl->id) {
 737        case V4L2_CID_BRIGHTNESS:
 738                setbrightness(gspca_dev, ctrl->val);
 739                break;
 740        }
 741        return gspca_dev->usb_err;
 742}
 743
 744static const struct v4l2_ctrl_ops sd_ctrl_ops = {
 745        .s_ctrl = sd_s_ctrl,
 746};
 747
 748static int sd_init_controls(struct gspca_dev *gspca_dev)
 749{
 750        struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;
 751
 752        gspca_dev->vdev.ctrl_handler = hdl;
 753        v4l2_ctrl_handler_init(hdl, 5);
 754        v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
 755                        V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
 756
 757        if (hdl->error) {
 758                pr_err("Could not initialize controls\n");
 759                return hdl->error;
 760        }
 761        return 0;
 762}
 763
 764/* sub-driver description */
 765static const struct sd_desc sd_desc = {
 766        .name = MODULE_NAME,
 767        .config = sd_config,
 768        .init_controls = sd_init_controls,
 769        .init = sd_init,
 770        .start = sd_start,
 771        .stopN = sd_stopN,
 772        .stop0 = sd_stop0,
 773        .pkt_scan = sd_pkt_scan,
 774};
 775
 776/* -- module initialisation -- */
 777static const struct usb_device_id device_table[] = {
 778        {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
 779        {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
 780/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
 781        {}
 782};
 783MODULE_DEVICE_TABLE(usb, device_table);
 784
 785/* -- device connect -- */
 786static int sd_probe(struct usb_interface *intf,
 787                        const struct usb_device_id *id)
 788{
 789        return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 790                                THIS_MODULE);
 791}
 792
 793static struct usb_driver sd_driver = {
 794        .name = MODULE_NAME,
 795        .id_table = device_table,
 796        .probe = sd_probe,
 797        .disconnect = gspca_disconnect,
 798#ifdef CONFIG_PM
 799        .suspend = gspca_suspend,
 800        .resume = gspca_resume,
 801        .reset_resume = gspca_resume,
 802#endif
 803};
 804
 805module_usb_driver(sd_driver);
 806
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