linux/drivers/media/video/gspca/spca505.c
<<
>>
Prefs 
   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 MODULE_NAME "spca505"
  23
  24#include "gspca.h"
  25
  26MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
  27MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
  28MODULE_LICENSE("GPL");
  29
  30/* specific webcam descriptor */
  31struct sd {
  32        struct gspca_dev gspca_dev;             /* !! must be the first item */
  33
  34        u8 brightness;
  35
  36        u8 subtype;
  37#define IntelPCCameraPro 0
  38#define Nxultra 1
  39};
  40
  41/* V4L2 controls supported by the driver */
  42static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
  43static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
  44
  45static struct ctrl sd_ctrls[] = {
  46        {
  47            {
  48                .id      = V4L2_CID_BRIGHTNESS,
  49                .type    = V4L2_CTRL_TYPE_INTEGER,
  50                .name    = "Brightness",
  51                .minimum = 0,
  52                .maximum = 255,
  53                .step    = 1,
  54#define BRIGHTNESS_DEF 127
  55                .default_value = BRIGHTNESS_DEF,
  56            },
  57            .set = sd_setbrightness,
  58            .get = sd_getbrightness,
  59        },
  60};
  61
  62static const struct v4l2_pix_format vga_mode[] = {
  63        {160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  64                .bytesperline = 160,
  65                .sizeimage = 160 * 120 * 3 / 2,
  66                .colorspace = V4L2_COLORSPACE_SRGB,
  67                .priv = 4},
  68        {176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  69                .bytesperline = 176,
  70                .sizeimage = 176 * 144 * 3 / 2,
  71                .colorspace = V4L2_COLORSPACE_SRGB,
  72                .priv = 3},
  73        {320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  74                .bytesperline = 320,
  75                .sizeimage = 320 * 240 * 3 / 2,
  76                .colorspace = V4L2_COLORSPACE_SRGB,
  77                .priv = 2},
  78        {352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  79                .bytesperline = 352,
  80                .sizeimage = 352 * 288 * 3 / 2,
  81                .colorspace = V4L2_COLORSPACE_SRGB,
  82                .priv = 1},
  83        {640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
  84                .bytesperline = 640,
  85                .sizeimage = 640 * 480 * 3 / 2,
  86                .colorspace = V4L2_COLORSPACE_SRGB,
  87                .priv = 0},
  88};
  89
  90#define SPCA50X_OFFSET_DATA 10
  91
  92#define SPCA50X_REG_USB 0x02    /* spca505 501 */
  93
  94#define SPCA50X_USB_CTRL 0x00   /* spca505 */
  95#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */
  96
  97#define SPCA50X_REG_GLOBAL 0x03 /* spca505 */
  98#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
  99#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */
 100
 101#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
 102#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
 103#define SPCA50X_GMISC3_SAA7113RST 0x20  /* Not sure about this one spca505 */
 104
 105/* Image format and compression control */
 106#define SPCA50X_REG_COMPRESS 0x04
 107
 108/*
 109 * Data to initialize a SPCA505. Common to the CCD and external modes
 110 */
 111static const u8 spca505_init_data[][3] = {
 112        /* bmRequest,value,index */
 113        {SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
 114        /* Sensor reset */
 115        {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
 116        {SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
 117        /* Block USB reset */
 118        {SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},
 119
 120        {0x05, 0x01, 0x10},
 121                                        /* Maybe power down some stuff */
 122        {0x05, 0x0f, 0x11},
 123
 124        /* Setup internal CCD  ? */
 125        {0x06, 0x10, 0x08},
 126        {0x06, 0x00, 0x09},
 127        {0x06, 0x00, 0x0a},
 128        {0x06, 0x00, 0x0b},
 129        {0x06, 0x10, 0x0c},
 130        {0x06, 0x00, 0x0d},
 131        {0x06, 0x00, 0x0e},
 132        {0x06, 0x00, 0x0f},
 133        {0x06, 0x10, 0x10},
 134        {0x06, 0x02, 0x11},
 135        {0x06, 0x00, 0x12},
 136        {0x06, 0x04, 0x13},
 137        {0x06, 0x02, 0x14},
 138        {0x06, 0x8a, 0x51},
 139        {0x06, 0x40, 0x52},
 140        {0x06, 0xb6, 0x53},
 141        {0x06, 0x3d, 0x54},
 142        {}
 143};
 144
 145/*
 146 * Data to initialize the camera using the internal CCD
 147 */
 148static const u8 spca505_open_data_ccd[][3] = {
 149        /* bmRequest,value,index */
 150        /* Internal CCD data set */
 151        {0x03, 0x04, 0x01},
 152        /* This could be a reset */
 153        {0x03, 0x00, 0x01},
 154
 155        /* Setup compression and image registers. 0x6 and 0x7 seem to be
 156           related to H&V hold, and are resolution mode specific */
 157                {0x04, 0x10, 0x01},
 158                /* DIFF(0x50), was (0x10) */
 159        {0x04, 0x00, 0x04},
 160        {0x04, 0x00, 0x05},
 161        {0x04, 0x20, 0x06},
 162        {0x04, 0x20, 0x07},
 163
 164        {0x08, 0x0a, 0x00},
 165        /* DIFF (0x4a), was (0xa) */
 166
 167        {0x05, 0x00, 0x10},
 168        {0x05, 0x00, 0x11},
 169        {0x05, 0x00, 0x00},
 170        /* DIFF not written */
 171        {0x05, 0x00, 0x01},
 172        /* DIFF not written */
 173        {0x05, 0x00, 0x02},
 174        /* DIFF not written */
 175        {0x05, 0x00, 0x03},
 176        /* DIFF not written */
 177        {0x05, 0x00, 0x04},
 178        /* DIFF not written */
 179                {0x05, 0x80, 0x05},
 180                /* DIFF not written */
 181                {0x05, 0xe0, 0x06},
 182                /* DIFF not written */
 183                {0x05, 0x20, 0x07},
 184                /* DIFF not written */
 185                {0x05, 0xa0, 0x08},
 186                /* DIFF not written */
 187                {0x05, 0x0, 0x12},
 188                /* DIFF not written */
 189        {0x05, 0x02, 0x0f},
 190        /* DIFF not written */
 191                {0x05, 0x10, 0x46},
 192                /* DIFF not written */
 193                {0x05, 0x8, 0x4a},
 194                /* DIFF not written */
 195
 196        {0x03, 0x08, 0x03},
 197        /* DIFF (0x3,0x28,0x3) */
 198        {0x03, 0x08, 0x01},
 199        {0x03, 0x0c, 0x03},
 200        /* DIFF not written */
 201                {0x03, 0x21, 0x00},
 202                /* DIFF (0x39) */
 203
 204/* Extra block copied from init to hopefully ensure CCD is in a sane state */
 205        {0x06, 0x10, 0x08},
 206        {0x06, 0x00, 0x09},
 207        {0x06, 0x00, 0x0a},
 208        {0x06, 0x00, 0x0b},
 209        {0x06, 0x10, 0x0c},
 210        {0x06, 0x00, 0x0d},
 211        {0x06, 0x00, 0x0e},
 212        {0x06, 0x00, 0x0f},
 213        {0x06, 0x10, 0x10},
 214        {0x06, 0x02, 0x11},
 215        {0x06, 0x00, 0x12},
 216        {0x06, 0x04, 0x13},
 217        {0x06, 0x02, 0x14},
 218        {0x06, 0x8a, 0x51},
 219        {0x06, 0x40, 0x52},
 220        {0x06, 0xb6, 0x53},
 221        {0x06, 0x3d, 0x54},
 222        /* End of extra block */
 223
 224                {0x06, 0x3f, 0x1},
 225                /* Block skipped */
 226        {0x06, 0x10, 0x02},
 227        {0x06, 0x64, 0x07},
 228        {0x06, 0x10, 0x08},
 229        {0x06, 0x00, 0x09},
 230        {0x06, 0x00, 0x0a},
 231        {0x06, 0x00, 0x0b},
 232        {0x06, 0x10, 0x0c},
 233        {0x06, 0x00, 0x0d},
 234        {0x06, 0x00, 0x0e},
 235        {0x06, 0x00, 0x0f},
 236        {0x06, 0x10, 0x10},
 237        {0x06, 0x02, 0x11},
 238        {0x06, 0x00, 0x12},
 239        {0x06, 0x04, 0x13},
 240        {0x06, 0x02, 0x14},
 241        {0x06, 0x8a, 0x51},
 242        {0x06, 0x40, 0x52},
 243        {0x06, 0xb6, 0x53},
 244        {0x06, 0x3d, 0x54},
 245        {0x06, 0x60, 0x57},
 246        {0x06, 0x20, 0x58},
 247        {0x06, 0x15, 0x59},
 248        {0x06, 0x05, 0x5a},
 249
 250        {0x05, 0x01, 0xc0},
 251        {0x05, 0x10, 0xcb},
 252                {0x05, 0x80, 0xc1},
 253                /* */
 254                {0x05, 0x0, 0xc2},
 255                /* 4 was 0 */
 256        {0x05, 0x00, 0xca},
 257                {0x05, 0x80, 0xc1},
 258                /*  */
 259        {0x05, 0x04, 0xc2},
 260        {0x05, 0x00, 0xca},
 261                {0x05, 0x0, 0xc1},
 262                /*  */
 263        {0x05, 0x00, 0xc2},
 264        {0x05, 0x00, 0xca},
 265                {0x05, 0x40, 0xc1},
 266                /* */
 267        {0x05, 0x17, 0xc2},
 268        {0x05, 0x00, 0xca},
 269                {0x05, 0x80, 0xc1},
 270                /* */
 271        {0x05, 0x06, 0xc2},
 272        {0x05, 0x00, 0xca},
 273                {0x05, 0x80, 0xc1},
 274                /* */
 275        {0x05, 0x04, 0xc2},
 276        {0x05, 0x00, 0xca},
 277
 278        {0x03, 0x4c, 0x3},
 279        {0x03, 0x18, 0x1},
 280
 281        {0x06, 0x70, 0x51},
 282        {0x06, 0xbe, 0x53},
 283        {0x06, 0x71, 0x57},
 284        {0x06, 0x20, 0x58},
 285        {0x06, 0x05, 0x59},
 286        {0x06, 0x15, 0x5a},
 287
 288        {0x04, 0x00, 0x08},
 289        /* Compress = OFF (0x1 to turn on) */
 290        {0x04, 0x12, 0x09},
 291        {0x04, 0x21, 0x0a},
 292        {0x04, 0x10, 0x0b},
 293        {0x04, 0x21, 0x0c},
 294        {0x04, 0x05, 0x00},
 295        /* was 5 (Image Type ? ) */
 296        {0x04, 0x00, 0x01},
 297
 298        {0x06, 0x3f, 0x01},
 299
 300        {0x04, 0x00, 0x04},
 301        {0x04, 0x00, 0x05},
 302        {0x04, 0x40, 0x06},
 303        {0x04, 0x40, 0x07},
 304
 305        {0x06, 0x1c, 0x17},
 306        {0x06, 0xe2, 0x19},
 307        {0x06, 0x1c, 0x1b},
 308        {0x06, 0xe2, 0x1d},
 309        {0x06, 0xaa, 0x1f},
 310        {0x06, 0x70, 0x20},
 311
 312        {0x05, 0x01, 0x10},
 313        {0x05, 0x00, 0x11},
 314        {0x05, 0x01, 0x00},
 315        {0x05, 0x05, 0x01},
 316                {0x05, 0x00, 0xc1},
 317                /* */
 318        {0x05, 0x00, 0xc2},
 319        {0x05, 0x00, 0xca},
 320
 321        {0x06, 0x70, 0x51},
 322        {0x06, 0xbe, 0x53},
 323        {}
 324};
 325
 326/*
 327 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
 328 * SPCA505b chip based cameras initialization data
 329 */
 330/* jfm */
 331#define initial_brightness 0x7f /* 0x0(white)-0xff(black) */
 332/* #define initial_brightness 0x0       //0x0(white)-0xff(black) */
 333/*
 334 * Data to initialize a SPCA505. Common to the CCD and external modes
 335 */
 336static const u8 spca505b_init_data[][3] = {
 337/* start */
 338        {0x02, 0x00, 0x00},             /* init */
 339        {0x02, 0x00, 0x01},
 340        {0x02, 0x00, 0x02},
 341        {0x02, 0x00, 0x03},
 342        {0x02, 0x00, 0x04},
 343        {0x02, 0x00, 0x05},
 344        {0x02, 0x00, 0x06},
 345        {0x02, 0x00, 0x07},
 346        {0x02, 0x00, 0x08},
 347        {0x02, 0x00, 0x09},
 348        {0x03, 0x00, 0x00},
 349        {0x03, 0x00, 0x01},
 350        {0x03, 0x00, 0x02},
 351        {0x03, 0x00, 0x03},
 352        {0x03, 0x00, 0x04},
 353        {0x03, 0x00, 0x05},
 354        {0x03, 0x00, 0x06},
 355        {0x04, 0x00, 0x00},
 356        {0x04, 0x00, 0x02},
 357        {0x04, 0x00, 0x04},
 358        {0x04, 0x00, 0x05},
 359        {0x04, 0x00, 0x06},
 360        {0x04, 0x00, 0x07},
 361        {0x04, 0x00, 0x08},
 362        {0x04, 0x00, 0x09},
 363        {0x04, 0x00, 0x0a},
 364        {0x04, 0x00, 0x0b},
 365        {0x04, 0x00, 0x0c},
 366        {0x07, 0x00, 0x00},
 367        {0x07, 0x00, 0x03},
 368        {0x08, 0x00, 0x00},
 369        {0x08, 0x00, 0x01},
 370        {0x08, 0x00, 0x02},
 371        {0x00, 0x01, 0x00},
 372        {0x00, 0x01, 0x01},
 373        {0x00, 0x01, 0x34},
 374        {0x00, 0x01, 0x35},
 375        {0x06, 0x18, 0x08},
 376        {0x06, 0xfc, 0x09},
 377        {0x06, 0xfc, 0x0a},
 378        {0x06, 0xfc, 0x0b},
 379        {0x06, 0x18, 0x0c},
 380        {0x06, 0xfc, 0x0d},
 381        {0x06, 0xfc, 0x0e},
 382        {0x06, 0xfc, 0x0f},
 383        {0x06, 0x18, 0x10},
 384        {0x06, 0xfe, 0x12},
 385        {0x06, 0x00, 0x11},
 386        {0x06, 0x00, 0x14},
 387        {0x06, 0x00, 0x13},
 388        {0x06, 0x28, 0x51},
 389        {0x06, 0xff, 0x53},
 390        {0x02, 0x00, 0x08},
 391
 392        {0x03, 0x00, 0x03},
 393        {0x03, 0x10, 0x03},
 394        {}
 395};
 396
 397/*
 398 * Data to initialize the camera using the internal CCD
 399 */
 400static const u8 spca505b_open_data_ccd[][3] = {
 401
 402/* {0x02,0x00,0x00}, */
 403        {0x03, 0x04, 0x01},             /* rst */
 404        {0x03, 0x00, 0x01},
 405        {0x03, 0x00, 0x00},
 406        {0x03, 0x21, 0x00},
 407        {0x03, 0x00, 0x04},
 408        {0x03, 0x00, 0x03},
 409        {0x03, 0x18, 0x03},
 410        {0x03, 0x08, 0x01},
 411        {0x03, 0x1c, 0x03},
 412        {0x03, 0x5c, 0x03},
 413        {0x03, 0x5c, 0x03},
 414        {0x03, 0x18, 0x01},
 415
 416/* same as 505 */
 417        {0x04, 0x10, 0x01},
 418        {0x04, 0x00, 0x04},
 419        {0x04, 0x00, 0x05},
 420        {0x04, 0x20, 0x06},
 421        {0x04, 0x20, 0x07},
 422
 423        {0x08, 0x0a, 0x00},
 424
 425        {0x05, 0x00, 0x10},
 426        {0x05, 0x00, 0x11},
 427        {0x05, 0x00, 0x12},
 428        {0x05, 0x6f, 0x00},
 429        {0x05, initial_brightness >> 6, 0x00},
 430        {0x05, (initial_brightness << 2) & 0xff, 0x01},
 431        {0x05, 0x00, 0x02},
 432        {0x05, 0x01, 0x03},
 433        {0x05, 0x00, 0x04},
 434        {0x05, 0x03, 0x05},
 435        {0x05, 0xe0, 0x06},
 436        {0x05, 0x20, 0x07},
 437        {0x05, 0xa0, 0x08},
 438        {0x05, 0x00, 0x12},
 439        {0x05, 0x02, 0x0f},
 440        {0x05, 0x80, 0x14},             /* max exposure off (0=on) */
 441        {0x05, 0x01, 0xb0},
 442        {0x05, 0x01, 0xbf},
 443        {0x03, 0x02, 0x06},
 444        {0x05, 0x10, 0x46},
 445        {0x05, 0x08, 0x4a},
 446
 447        {0x06, 0x00, 0x01},
 448        {0x06, 0x10, 0x02},
 449        {0x06, 0x64, 0x07},
 450        {0x06, 0x18, 0x08},
 451        {0x06, 0xfc, 0x09},
 452        {0x06, 0xfc, 0x0a},
 453        {0x06, 0xfc, 0x0b},
 454        {0x04, 0x00, 0x01},
 455        {0x06, 0x18, 0x0c},
 456        {0x06, 0xfc, 0x0d},
 457        {0x06, 0xfc, 0x0e},
 458        {0x06, 0xfc, 0x0f},
 459        {0x06, 0x11, 0x10},             /* contrast */
 460        {0x06, 0x00, 0x11},
 461        {0x06, 0xfe, 0x12},
 462        {0x06, 0x00, 0x13},
 463        {0x06, 0x00, 0x14},
 464        {0x06, 0x9d, 0x51},
 465        {0x06, 0x40, 0x52},
 466        {0x06, 0x7c, 0x53},
 467        {0x06, 0x40, 0x54},
 468        {0x06, 0x02, 0x57},
 469        {0x06, 0x03, 0x58},
 470        {0x06, 0x15, 0x59},
 471        {0x06, 0x05, 0x5a},
 472        {0x06, 0x03, 0x56},
 473        {0x06, 0x02, 0x3f},
 474        {0x06, 0x00, 0x40},
 475        {0x06, 0x39, 0x41},
 476        {0x06, 0x69, 0x42},
 477        {0x06, 0x87, 0x43},
 478        {0x06, 0x9e, 0x44},
 479        {0x06, 0xb1, 0x45},
 480        {0x06, 0xbf, 0x46},
 481        {0x06, 0xcc, 0x47},
 482        {0x06, 0xd5, 0x48},
 483        {0x06, 0xdd, 0x49},
 484        {0x06, 0xe3, 0x4a},
 485        {0x06, 0xe8, 0x4b},
 486        {0x06, 0xed, 0x4c},
 487        {0x06, 0xf2, 0x4d},
 488        {0x06, 0xf7, 0x4e},
 489        {0x06, 0xfc, 0x4f},
 490        {0x06, 0xff, 0x50},
 491
 492        {0x05, 0x01, 0xc0},
 493        {0x05, 0x10, 0xcb},
 494        {0x05, 0x40, 0xc1},
 495        {0x05, 0x04, 0xc2},
 496        {0x05, 0x00, 0xca},
 497        {0x05, 0x40, 0xc1},
 498        {0x05, 0x09, 0xc2},
 499        {0x05, 0x00, 0xca},
 500        {0x05, 0xc0, 0xc1},
 501        {0x05, 0x09, 0xc2},
 502        {0x05, 0x00, 0xca},
 503        {0x05, 0x40, 0xc1},
 504        {0x05, 0x59, 0xc2},
 505        {0x05, 0x00, 0xca},
 506        {0x04, 0x00, 0x01},
 507        {0x05, 0x80, 0xc1},
 508        {0x05, 0xec, 0xc2},
 509        {0x05, 0x0, 0xca},
 510
 511        {0x06, 0x02, 0x57},
 512        {0x06, 0x01, 0x58},
 513        {0x06, 0x15, 0x59},
 514        {0x06, 0x0a, 0x5a},
 515        {0x06, 0x01, 0x57},
 516        {0x06, 0x8a, 0x03},
 517        {0x06, 0x0a, 0x6c},
 518        {0x06, 0x30, 0x01},
 519        {0x06, 0x20, 0x02},
 520        {0x06, 0x00, 0x03},
 521
 522        {0x05, 0x8c, 0x25},
 523
 524        {0x06, 0x4d, 0x51},             /* maybe saturation (4d) */
 525        {0x06, 0x84, 0x53},             /* making green (84) */
 526        {0x06, 0x00, 0x57},             /* sharpness (1) */
 527        {0x06, 0x18, 0x08},
 528        {0x06, 0xfc, 0x09},
 529        {0x06, 0xfc, 0x0a},
 530        {0x06, 0xfc, 0x0b},
 531        {0x06, 0x18, 0x0c},             /* maybe hue (18) */
 532        {0x06, 0xfc, 0x0d},
 533        {0x06, 0xfc, 0x0e},
 534        {0x06, 0xfc, 0x0f},
 535        {0x06, 0x18, 0x10},             /* maybe contrast (18) */
 536
 537        {0x05, 0x01, 0x02},
 538
 539        {0x04, 0x00, 0x08},             /* compression */
 540        {0x04, 0x12, 0x09},
 541        {0x04, 0x21, 0x0a},
 542        {0x04, 0x10, 0x0b},
 543        {0x04, 0x21, 0x0c},
 544        {0x04, 0x1d, 0x00},             /* imagetype (1d) */
 545        {0x04, 0x41, 0x01},             /* hardware snapcontrol */
 546
 547        {0x04, 0x00, 0x04},
 548        {0x04, 0x00, 0x05},
 549        {0x04, 0x10, 0x06},
 550        {0x04, 0x10, 0x07},
 551        {0x04, 0x40, 0x06},
 552        {0x04, 0x40, 0x07},
 553        {0x04, 0x00, 0x04},
 554        {0x04, 0x00, 0x05},
 555
 556        {0x06, 0x1c, 0x17},
 557        {0x06, 0xe2, 0x19},
 558        {0x06, 0x1c, 0x1b},
 559        {0x06, 0xe2, 0x1d},
 560        {0x06, 0x5f, 0x1f},
 561        {0x06, 0x32, 0x20},
 562
 563        {0x05, initial_brightness >> 6, 0x00},
 564        {0x05, (initial_brightness << 2) & 0xff, 0x01},
 565        {0x05, 0x06, 0xc1},
 566        {0x05, 0x58, 0xc2},
 567        {0x05, 0x00, 0xca},
 568        {0x05, 0x00, 0x11},
 569        {}
 570};
 571
 572static int reg_write(struct usb_device *dev,
 573                     u16 req, u16 index, u16 value)
 574{
 575        int ret;
 576
 577        ret = usb_control_msg(dev,
 578                        usb_sndctrlpipe(dev, 0),
 579                        req,
 580                        USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 581                        value, index, NULL, 0, 500);
 582        PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
 583                req, index, value, ret);
 584        if (ret < 0)
 585                PDEBUG(D_ERR, "reg write: error %d", ret);
 586        return ret;
 587}
 588
 589/* returns: negative is error, pos or zero is data */
 590static int reg_read(struct gspca_dev *gspca_dev,
 591                        u16 req,        /* bRequest */
 592                        u16 index)      /* wIndex */
 593{
 594        int ret;
 595
 596        ret = usb_control_msg(gspca_dev->dev,
 597                        usb_rcvctrlpipe(gspca_dev->dev, 0),
 598                        req,
 599                        USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 600                        0,                      /* value */
 601                        index,
 602                        gspca_dev->usb_buf, 2,
 603                        500);                   /* timeout */
 604        if (ret < 0)
 605                return ret;
 606        return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
 607}
 608
 609static int write_vector(struct gspca_dev *gspca_dev,
 610                        const u8 data[][3])
 611{
 612        struct usb_device *dev = gspca_dev->dev;
 613        int ret, i = 0;
 614
 615        while (data[i][0] != 0) {
 616                ret = reg_write(dev, data[i][0], data[i][2], data[i][1]);
 617                if (ret < 0)
 618                        return ret;
 619                i++;
 620        }
 621        return 0;
 622}
 623
 624/* this function is called at probe time */
 625static int sd_config(struct gspca_dev *gspca_dev,
 626                        const struct usb_device_id *id)
 627{
 628        struct sd *sd = (struct sd *) gspca_dev;
 629        struct cam *cam;
 630
 631        cam = &gspca_dev->cam;
 632        cam->cam_mode = vga_mode;
 633        sd->subtype = id->driver_info;
 634        if (sd->subtype != IntelPCCameraPro)
 635                cam->nmodes = ARRAY_SIZE(vga_mode);
 636        else                    /* no 640x480 for IntelPCCameraPro */
 637                cam->nmodes = ARRAY_SIZE(vga_mode) - 1;
 638        sd->brightness = BRIGHTNESS_DEF;
 639
 640        return 0;
 641}
 642
 643/* this function is called at probe and resume time */
 644static int sd_init(struct gspca_dev *gspca_dev)
 645{
 646        struct sd *sd = (struct sd *) gspca_dev;
 647
 648        if (write_vector(gspca_dev,
 649                         sd->subtype == Nxultra
 650                                ? spca505b_init_data
 651                                : spca505_init_data))
 652                return -EIO;
 653        return 0;
 654}
 655
 656static void setbrightness(struct gspca_dev *gspca_dev)
 657{
 658        struct sd *sd = (struct sd *) gspca_dev;
 659        u8 brightness = sd->brightness;
 660
 661        reg_write(gspca_dev->dev, 0x05, 0x00, (255 - brightness) >> 6);
 662        reg_write(gspca_dev->dev, 0x05, 0x01, (255 - brightness) << 2);
 663}
 664
 665static int sd_start(struct gspca_dev *gspca_dev)
 666{
 667        struct sd *sd = (struct sd *) gspca_dev;
 668        struct usb_device *dev = gspca_dev->dev;
 669        int ret, mode;
 670        static u8 mode_tb[][3] = {
 671        /*        r00   r06   r07       */
 672                {0x00, 0x10, 0x10},     /* 640x480 */
 673                {0x01, 0x1a, 0x1a},     /* 352x288 */
 674                {0x02, 0x1c, 0x1d},     /* 320x240 */
 675                {0x04, 0x34, 0x34},     /* 176x144 */
 676                {0x05, 0x40, 0x40}      /* 160x120 */
 677        };
 678
 679        if (sd->subtype == Nxultra)
 680                write_vector(gspca_dev, spca505b_open_data_ccd);
 681        else
 682                write_vector(gspca_dev, spca505_open_data_ccd);
 683        ret = reg_read(gspca_dev, 0x06, 0x16);
 684
 685        if (ret < 0) {
 686                PDEBUG(D_ERR|D_CONF,
 687                       "register read failed err: %d",
 688                       ret);
 689                return ret;
 690        }
 691        if (ret != 0x0101) {
 692                PDEBUG(D_ERR|D_CONF,
 693                        "After vector read returns 0x%04x should be 0x0101",
 694                        ret);
 695        }
 696
 697        ret = reg_write(gspca_dev->dev, 0x06, 0x16, 0x0a);
 698        if (ret < 0)
 699                return ret;
 700        reg_write(gspca_dev->dev, 0x05, 0xc2, 0x12);
 701
 702        /* necessary because without it we can see stream
 703         * only once after loading module */
 704        /* stopping usb registers Tomasz change */
 705        reg_write(dev, 0x02, 0x00, 0x00);
 706
 707        mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
 708        reg_write(dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
 709        reg_write(dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
 710        reg_write(dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);
 711
 712        ret = reg_write(dev, SPCA50X_REG_USB,
 713                         SPCA50X_USB_CTRL,
 714                         SPCA50X_CUSB_ENABLE);
 715
 716        setbrightness(gspca_dev);
 717
 718        return ret;
 719}
 720
 721static void sd_stopN(struct gspca_dev *gspca_dev)
 722{
 723        /* Disable ISO packet machine */
 724        reg_write(gspca_dev->dev, 0x02, 0x00, 0x00);
 725}
 726
 727/* called on streamoff with alt 0 and on disconnect */
 728static void sd_stop0(struct gspca_dev *gspca_dev)
 729{
 730        if (!gspca_dev->present)
 731                return;
 732
 733        /* This maybe reset or power control */
 734        reg_write(gspca_dev->dev, 0x03, 0x03, 0x20);
 735        reg_write(gspca_dev->dev, 0x03, 0x01, 0x00);
 736        reg_write(gspca_dev->dev, 0x03, 0x00, 0x01);
 737        reg_write(gspca_dev->dev, 0x05, 0x10, 0x01);
 738        reg_write(gspca_dev->dev, 0x05, 0x11, 0x0f);
 739}
 740
 741static void sd_pkt_scan(struct gspca_dev *gspca_dev,
 742                        struct gspca_frame *frame,      /* target */
 743                        u8 *data,                       /* isoc packet */
 744                        int len)                        /* iso packet length */
 745{
 746        switch (data[0]) {
 747        case 0:                         /* start of frame */
 748                frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
 749                                        data, 0);
 750                data += SPCA50X_OFFSET_DATA;
 751                len -= SPCA50X_OFFSET_DATA;
 752                gspca_frame_add(gspca_dev, FIRST_PACKET, frame,
 753                                data, len);
 754                break;
 755        case 0xff:                      /* drop */
 756                break;
 757        default:
 758                data += 1;
 759                len -= 1;
 760                gspca_frame_add(gspca_dev, INTER_PACKET, frame,
 761                                data, len);
 762                break;
 763        }
 764}
 765
 766static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
 767{
 768        struct sd *sd = (struct sd *) gspca_dev;
 769
 770        sd->brightness = val;
 771        if (gspca_dev->streaming)
 772                setbrightness(gspca_dev);
 773        return 0;
 774}
 775
 776static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
 777{
 778        struct sd *sd = (struct sd *) gspca_dev;
 779
 780        *val = sd->brightness;
 781        return 0;
 782}
 783
 784/* sub-driver description */
 785static const struct sd_desc sd_desc = {
 786        .name = MODULE_NAME,
 787        .ctrls = sd_ctrls,
 788        .nctrls = ARRAY_SIZE(sd_ctrls),
 789        .config = sd_config,
 790        .init = sd_init,
 791        .start = sd_start,
 792        .stopN = sd_stopN,
 793        .stop0 = sd_stop0,
 794        .pkt_scan = sd_pkt_scan,
 795};
 796
 797/* -- module initialisation -- */
 798static const __devinitdata struct usb_device_id device_table[] = {
 799        {USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
 800        {USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
 801/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
 802        {}
 803};
 804MODULE_DEVICE_TABLE(usb, device_table);
 805
 806/* -- device connect -- */
 807static int sd_probe(struct usb_interface *intf,
 808                        const struct usb_device_id *id)
 809{
 810        return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
 811                                THIS_MODULE);
 812}
 813
 814static struct usb_driver sd_driver = {
 815        .name = MODULE_NAME,
 816        .id_table = device_table,
 817        .probe = sd_probe,
 818        .disconnect = gspca_disconnect,
 819#ifdef CONFIG_PM
 820        .suspend = gspca_suspend,
 821        .resume = gspca_resume,
 822#endif
 823};
 824
 825/* -- module insert / remove -- */
 826static int __init sd_mod_init(void)
 827{
 828        int ret;
 829
 830        ret = usb_register(&sd_driver);
 831        if (ret < 0)
 832                return ret;
 833        PDEBUG(D_PROBE, "registered");
 834        return 0;
 835}
 836static void __exit sd_mod_exit(void)
 837{
 838        usb_deregister(&sd_driver);
 839        PDEBUG(D_PROBE, "deregistered");
 840}
 841
 842module_init(sd_mod_init);
 843module_exit(sd_mod_exit);
 844
The original LXR software by the LXR community, this experimental version by lxr@linux.no.
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.