/drivers/media/video/gspca/ov534.c
C | 1546 lines | 1320 code | 140 blank | 86 comment | 100 complexity | c1044cf286dd1061b1edeef6e02bc877 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/* 2 * ov534-ov7xxx gspca driver 3 * 4 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> 5 * Copyright (C) 2008 Jim Paris <jim@jtan.com> 6 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr 7 * 8 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> 9 * USB protocol reverse engineered by Jim Paris <jim@jtan.com> 10 * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ 11 * 12 * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr 13 * PS3 Eye camera - brightness, contrast, awb, agc, aec controls 14 * added by Max Thrun <bear24rw@gmail.com> 15 * 16 * This program is free software; you can redistribute it and/or modify 17 * it under the terms of the GNU General Public License as published by 18 * the Free Software Foundation; either version 2 of the License, or 19 * any later version. 20 * 21 * This program is distributed in the hope that it will be useful, 22 * but WITHOUT ANY WARRANTY; without even the implied warranty of 23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 24 * GNU General Public License for more details. 25 * 26 * You should have received a copy of the GNU General Public License 27 * along with this program; if not, write to the Free Software 28 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 29 */ 30 31#define MODULE_NAME "ov534" 32 33#include "gspca.h" 34 35#define OV534_REG_ADDRESS 0xf1 /* sensor address */ 36#define OV534_REG_SUBADDR 0xf2 37#define OV534_REG_WRITE 0xf3 38#define OV534_REG_READ 0xf4 39#define OV534_REG_OPERATION 0xf5 40#define OV534_REG_STATUS 0xf6 41 42#define OV534_OP_WRITE_3 0x37 43#define OV534_OP_WRITE_2 0x33 44#define OV534_OP_READ_2 0xf9 45 46#define CTRL_TIMEOUT 500 47 48MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); 49MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver"); 50MODULE_LICENSE("GPL"); 51 52/* controls */ 53enum e_ctrl { 54 BRIGHTNESS, 55 CONTRAST, 56 GAIN, 57 EXPOSURE, 58 AGC, 59 AWB, 60 AEC, 61 SHARPNESS, 62 HFLIP, 63 VFLIP, 64 COLORS, 65 LIGHTFREQ, 66 NCTRLS /* number of controls */ 67}; 68 69/* specific webcam descriptor */ 70struct sd { 71 struct gspca_dev gspca_dev; /* !! must be the first item */ 72 73 struct gspca_ctrl ctrls[NCTRLS]; 74 75 __u32 last_pts; 76 u16 last_fid; 77 u8 frame_rate; 78 79 u8 sensor; 80}; 81enum sensors { 82 SENSOR_OV767x, 83 SENSOR_OV772x, 84 NSENSORS 85}; 86 87/* V4L2 controls supported by the driver */ 88static void setbrightness(struct gspca_dev *gspca_dev); 89static void setcontrast(struct gspca_dev *gspca_dev); 90static void setgain(struct gspca_dev *gspca_dev); 91static void setexposure(struct gspca_dev *gspca_dev); 92static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val); 93static void setawb(struct gspca_dev *gspca_dev); 94static void setaec(struct gspca_dev *gspca_dev); 95static void setsharpness(struct gspca_dev *gspca_dev); 96static void sethvflip(struct gspca_dev *gspca_dev); 97static void setcolors(struct gspca_dev *gspca_dev); 98static void setlightfreq(struct gspca_dev *gspca_dev); 99 100static int sd_start(struct gspca_dev *gspca_dev); 101static void sd_stopN(struct gspca_dev *gspca_dev); 102 103static const struct ctrl sd_ctrls[] = { 104[BRIGHTNESS] = { 105 { 106 .id = V4L2_CID_BRIGHTNESS, 107 .type = V4L2_CTRL_TYPE_INTEGER, 108 .name = "Brightness", 109 .minimum = 0, 110 .maximum = 255, 111 .step = 1, 112 .default_value = 0, 113 }, 114 .set_control = setbrightness 115 }, 116[CONTRAST] = { 117 { 118 .id = V4L2_CID_CONTRAST, 119 .type = V4L2_CTRL_TYPE_INTEGER, 120 .name = "Contrast", 121 .minimum = 0, 122 .maximum = 255, 123 .step = 1, 124 .default_value = 32, 125 }, 126 .set_control = setcontrast 127 }, 128[GAIN] = { 129 { 130 .id = V4L2_CID_GAIN, 131 .type = V4L2_CTRL_TYPE_INTEGER, 132 .name = "Main Gain", 133 .minimum = 0, 134 .maximum = 63, 135 .step = 1, 136 .default_value = 20, 137 }, 138 .set_control = setgain 139 }, 140[EXPOSURE] = { 141 { 142 .id = V4L2_CID_EXPOSURE, 143 .type = V4L2_CTRL_TYPE_INTEGER, 144 .name = "Exposure", 145 .minimum = 0, 146 .maximum = 255, 147 .step = 1, 148 .default_value = 120, 149 }, 150 .set_control = setexposure 151 }, 152[AGC] = { 153 { 154 .id = V4L2_CID_AUTOGAIN, 155 .type = V4L2_CTRL_TYPE_BOOLEAN, 156 .name = "Auto Gain", 157 .minimum = 0, 158 .maximum = 1, 159 .step = 1, 160 .default_value = 1, 161 }, 162 .set = sd_setagc 163 }, 164[AWB] = { 165 { 166 .id = V4L2_CID_AUTO_WHITE_BALANCE, 167 .type = V4L2_CTRL_TYPE_BOOLEAN, 168 .name = "Auto White Balance", 169 .minimum = 0, 170 .maximum = 1, 171 .step = 1, 172 .default_value = 1, 173 }, 174 .set_control = setawb 175 }, 176[AEC] = { 177 { 178 .id = V4L2_CID_EXPOSURE_AUTO, 179 .type = V4L2_CTRL_TYPE_BOOLEAN, 180 .name = "Auto Exposure", 181 .minimum = 0, 182 .maximum = 1, 183 .step = 1, 184 .default_value = 1, 185 }, 186 .set_control = setaec 187 }, 188[SHARPNESS] = { 189 { 190 .id = V4L2_CID_SHARPNESS, 191 .type = V4L2_CTRL_TYPE_INTEGER, 192 .name = "Sharpness", 193 .minimum = 0, 194 .maximum = 63, 195 .step = 1, 196 .default_value = 0, 197 }, 198 .set_control = setsharpness 199 }, 200[HFLIP] = { 201 { 202 .id = V4L2_CID_HFLIP, 203 .type = V4L2_CTRL_TYPE_BOOLEAN, 204 .name = "HFlip", 205 .minimum = 0, 206 .maximum = 1, 207 .step = 1, 208 .default_value = 0, 209 }, 210 .set_control = sethvflip 211 }, 212[VFLIP] = { 213 { 214 .id = V4L2_CID_VFLIP, 215 .type = V4L2_CTRL_TYPE_BOOLEAN, 216 .name = "VFlip", 217 .minimum = 0, 218 .maximum = 1, 219 .step = 1, 220 .default_value = 0, 221 }, 222 .set_control = sethvflip 223 }, 224[COLORS] = { 225 { 226 .id = V4L2_CID_SATURATION, 227 .type = V4L2_CTRL_TYPE_INTEGER, 228 .name = "Saturation", 229 .minimum = 0, 230 .maximum = 6, 231 .step = 1, 232 .default_value = 3, 233 }, 234 .set_control = setcolors 235 }, 236[LIGHTFREQ] = { 237 { 238 .id = V4L2_CID_POWER_LINE_FREQUENCY, 239 .type = V4L2_CTRL_TYPE_MENU, 240 .name = "Light Frequency Filter", 241 .minimum = 0, 242 .maximum = 1, 243 .step = 1, 244 .default_value = 0, 245 }, 246 .set_control = setlightfreq 247 }, 248}; 249 250static const struct v4l2_pix_format ov772x_mode[] = { 251 {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, 252 .bytesperline = 320 * 2, 253 .sizeimage = 320 * 240 * 2, 254 .colorspace = V4L2_COLORSPACE_SRGB, 255 .priv = 1}, 256 {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, 257 .bytesperline = 640 * 2, 258 .sizeimage = 640 * 480 * 2, 259 .colorspace = V4L2_COLORSPACE_SRGB, 260 .priv = 0}, 261}; 262static const struct v4l2_pix_format ov767x_mode[] = { 263 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, 264 .bytesperline = 320, 265 .sizeimage = 320 * 240 * 3 / 8 + 590, 266 .colorspace = V4L2_COLORSPACE_JPEG}, 267 {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, 268 .bytesperline = 640, 269 .sizeimage = 640 * 480 * 3 / 8 + 590, 270 .colorspace = V4L2_COLORSPACE_JPEG}, 271}; 272 273static const u8 qvga_rates[] = {125, 100, 75, 60, 50, 40, 30}; 274static const u8 vga_rates[] = {60, 50, 40, 30, 15}; 275 276static const struct framerates ov772x_framerates[] = { 277 { /* 320x240 */ 278 .rates = qvga_rates, 279 .nrates = ARRAY_SIZE(qvga_rates), 280 }, 281 { /* 640x480 */ 282 .rates = vga_rates, 283 .nrates = ARRAY_SIZE(vga_rates), 284 }, 285}; 286 287struct reg_array { 288 const u8 (*val)[2]; 289 int len; 290}; 291 292static const u8 bridge_init_767x[][2] = { 293/* comments from the ms-win file apollo7670.set */ 294/* str1 */ 295 {0xf1, 0x42}, 296 {0x88, 0xf8}, 297 {0x89, 0xff}, 298 {0x76, 0x03}, 299 {0x92, 0x03}, 300 {0x95, 0x10}, 301 {0xe2, 0x00}, 302 {0xe7, 0x3e}, 303 {0x8d, 0x1c}, 304 {0x8e, 0x00}, 305 {0x8f, 0x00}, 306 {0x1f, 0x00}, 307 {0xc3, 0xf9}, 308 {0x89, 0xff}, 309 {0x88, 0xf8}, 310 {0x76, 0x03}, 311 {0x92, 0x01}, 312 {0x93, 0x18}, 313 {0x1c, 0x00}, 314 {0x1d, 0x48}, 315 {0x1d, 0x00}, 316 {0x1d, 0xff}, 317 {0x1d, 0x02}, 318 {0x1d, 0x58}, 319 {0x1d, 0x00}, 320 {0x1c, 0x0a}, 321 {0x1d, 0x0a}, 322 {0x1d, 0x0e}, 323 {0xc0, 0x50}, /* HSize 640 */ 324 {0xc1, 0x3c}, /* VSize 480 */ 325 {0x34, 0x05}, /* enable Audio Suspend mode */ 326 {0xc2, 0x0c}, /* Input YUV */ 327 {0xc3, 0xf9}, /* enable PRE */ 328 {0x34, 0x05}, /* enable Audio Suspend mode */ 329 {0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */ 330 {0x31, 0xf9}, /* enable 1.8V Suspend */ 331 {0x35, 0x02}, /* turn on JPEG */ 332 {0xd9, 0x10}, 333 {0x25, 0x42}, /* GPIO[8]:Input */ 334 {0x94, 0x11}, /* If the default setting is loaded when 335 * system boots up, this flag is closed here */ 336}; 337static const u8 sensor_init_767x[][2] = { 338 {0x12, 0x80}, 339 {0x11, 0x03}, 340 {0x3a, 0x04}, 341 {0x12, 0x00}, 342 {0x17, 0x13}, 343 {0x18, 0x01}, 344 {0x32, 0xb6}, 345 {0x19, 0x02}, 346 {0x1a, 0x7a}, 347 {0x03, 0x0a}, 348 {0x0c, 0x00}, 349 {0x3e, 0x00}, 350 {0x70, 0x3a}, 351 {0x71, 0x35}, 352 {0x72, 0x11}, 353 {0x73, 0xf0}, 354 {0xa2, 0x02}, 355 {0x7a, 0x2a}, /* set Gamma=1.6 below */ 356 {0x7b, 0x12}, 357 {0x7c, 0x1d}, 358 {0x7d, 0x2d}, 359 {0x7e, 0x45}, 360 {0x7f, 0x50}, 361 {0x80, 0x59}, 362 {0x81, 0x62}, 363 {0x82, 0x6b}, 364 {0x83, 0x73}, 365 {0x84, 0x7b}, 366 {0x85, 0x8a}, 367 {0x86, 0x98}, 368 {0x87, 0xb2}, 369 {0x88, 0xca}, 370 {0x89, 0xe0}, 371 {0x13, 0xe0}, 372 {0x00, 0x00}, 373 {0x10, 0x00}, 374 {0x0d, 0x40}, 375 {0x14, 0x38}, /* gain max 16x */ 376 {0xa5, 0x05}, 377 {0xab, 0x07}, 378 {0x24, 0x95}, 379 {0x25, 0x33}, 380 {0x26, 0xe3}, 381 {0x9f, 0x78}, 382 {0xa0, 0x68}, 383 {0xa1, 0x03}, 384 {0xa6, 0xd8}, 385 {0xa7, 0xd8}, 386 {0xa8, 0xf0}, 387 {0xa9, 0x90}, 388 {0xaa, 0x94}, 389 {0x13, 0xe5}, 390 {0x0e, 0x61}, 391 {0x0f, 0x4b}, 392 {0x16, 0x02}, 393 {0x21, 0x02}, 394 {0x22, 0x91}, 395 {0x29, 0x07}, 396 {0x33, 0x0b}, 397 {0x35, 0x0b}, 398 {0x37, 0x1d}, 399 {0x38, 0x71}, 400 {0x39, 0x2a}, 401 {0x3c, 0x78}, 402 {0x4d, 0x40}, 403 {0x4e, 0x20}, 404 {0x69, 0x00}, 405 {0x6b, 0x4a}, 406 {0x74, 0x10}, 407 {0x8d, 0x4f}, 408 {0x8e, 0x00}, 409 {0x8f, 0x00}, 410 {0x90, 0x00}, 411 {0x91, 0x00}, 412 {0x96, 0x00}, 413 {0x9a, 0x80}, 414 {0xb0, 0x84}, 415 {0xb1, 0x0c}, 416 {0xb2, 0x0e}, 417 {0xb3, 0x82}, 418 {0xb8, 0x0a}, 419 {0x43, 0x0a}, 420 {0x44, 0xf0}, 421 {0x45, 0x34}, 422 {0x46, 0x58}, 423 {0x47, 0x28}, 424 {0x48, 0x3a}, 425 {0x59, 0x88}, 426 {0x5a, 0x88}, 427 {0x5b, 0x44}, 428 {0x5c, 0x67}, 429 {0x5d, 0x49}, 430 {0x5e, 0x0e}, 431 {0x6c, 0x0a}, 432 {0x6d, 0x55}, 433 {0x6e, 0x11}, 434 {0x6f, 0x9f}, 435 {0x6a, 0x40}, 436 {0x01, 0x40}, 437 {0x02, 0x40}, 438 {0x13, 0xe7}, 439 {0x4f, 0x80}, 440 {0x50, 0x80}, 441 {0x51, 0x00}, 442 {0x52, 0x22}, 443 {0x53, 0x5e}, 444 {0x54, 0x80}, 445 {0x58, 0x9e}, 446 {0x41, 0x08}, 447 {0x3f, 0x00}, 448 {0x75, 0x04}, 449 {0x76, 0xe1}, 450 {0x4c, 0x00}, 451 {0x77, 0x01}, 452 {0x3d, 0xc2}, 453 {0x4b, 0x09}, 454 {0xc9, 0x60}, 455 {0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */ 456 {0x56, 0x40}, 457 {0x34, 0x11}, 458 {0x3b, 0xc2}, 459 {0xa4, 0x8a}, /* Night mode trigger point */ 460 {0x96, 0x00}, 461 {0x97, 0x30}, 462 {0x98, 0x20}, 463 {0x99, 0x20}, 464 {0x9a, 0x84}, 465 {0x9b, 0x29}, 466 {0x9c, 0x03}, 467 {0x9d, 0x4c}, 468 {0x9e, 0x3f}, 469 {0x78, 0x04}, 470 {0x79, 0x01}, 471 {0xc8, 0xf0}, 472 {0x79, 0x0f}, 473 {0xc8, 0x00}, 474 {0x79, 0x10}, 475 {0xc8, 0x7e}, 476 {0x79, 0x0a}, 477 {0xc8, 0x80}, 478 {0x79, 0x0b}, 479 {0xc8, 0x01}, 480 {0x79, 0x0c}, 481 {0xc8, 0x0f}, 482 {0x79, 0x0d}, 483 {0xc8, 0x20}, 484 {0x79, 0x09}, 485 {0xc8, 0x80}, 486 {0x79, 0x02}, 487 {0xc8, 0xc0}, 488 {0x79, 0x03}, 489 {0xc8, 0x20}, 490 {0x79, 0x26}, 491}; 492static const u8 bridge_start_vga_767x[][2] = { 493/* str59 JPG */ 494 {0x94, 0xaa}, 495 {0xf1, 0x42}, 496 {0xe5, 0x04}, 497 {0xc0, 0x50}, 498 {0xc1, 0x3c}, 499 {0xc2, 0x0c}, 500 {0x35, 0x02}, /* turn on JPEG */ 501 {0xd9, 0x10}, 502 {0xda, 0x00}, /* for higher clock rate(30fps) */ 503 {0x34, 0x05}, /* enable Audio Suspend mode */ 504 {0xc3, 0xf9}, /* enable PRE */ 505 {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ 506 {0x8d, 0x1c}, /* output YUV */ 507/* {0x34, 0x05}, * enable Audio Suspend mode (?) */ 508 {0x50, 0x00}, /* H/V divider=0 */ 509 {0x51, 0xa0}, /* input H=640/4 */ 510 {0x52, 0x3c}, /* input V=480/4 */ 511 {0x53, 0x00}, /* offset X=0 */ 512 {0x54, 0x00}, /* offset Y=0 */ 513 {0x55, 0x00}, /* H/V size[8]=0 */ 514 {0x57, 0x00}, /* H-size[9]=0 */ 515 {0x5c, 0x00}, /* output size[9:8]=0 */ 516 {0x5a, 0xa0}, /* output H=640/4 */ 517 {0x5b, 0x78}, /* output V=480/4 */ 518 {0x1c, 0x0a}, 519 {0x1d, 0x0a}, 520 {0x94, 0x11}, 521}; 522static const u8 sensor_start_vga_767x[][2] = { 523 {0x11, 0x01}, 524 {0x1e, 0x04}, 525 {0x19, 0x02}, 526 {0x1a, 0x7a}, 527}; 528static const u8 bridge_start_qvga_767x[][2] = { 529/* str86 JPG */ 530 {0x94, 0xaa}, 531 {0xf1, 0x42}, 532 {0xe5, 0x04}, 533 {0xc0, 0x80}, 534 {0xc1, 0x60}, 535 {0xc2, 0x0c}, 536 {0x35, 0x02}, /* turn on JPEG */ 537 {0xd9, 0x10}, 538 {0xc0, 0x50}, /* CIF HSize 640 */ 539 {0xc1, 0x3c}, /* CIF VSize 480 */ 540 {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ 541 {0x8d, 0x1c}, /* output YUV */ 542 {0x34, 0x05}, /* enable Audio Suspend mode */ 543 {0xc2, 0x4c}, /* output YUV and Enable DCW */ 544 {0xc3, 0xf9}, /* enable PRE */ 545 {0x1c, 0x00}, /* indirect addressing */ 546 {0x1d, 0x48}, /* output YUV422 */ 547 {0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */ 548 {0x51, 0xa0}, /* DCW input H=640/4 */ 549 {0x52, 0x78}, /* DCW input V=480/4 */ 550 {0x53, 0x00}, /* offset X=0 */ 551 {0x54, 0x00}, /* offset Y=0 */ 552 {0x55, 0x00}, /* H/V size[8]=0 */ 553 {0x57, 0x00}, /* H-size[9]=0 */ 554 {0x5c, 0x00}, /* DCW output size[9:8]=0 */ 555 {0x5a, 0x50}, /* DCW output H=320/4 */ 556 {0x5b, 0x3c}, /* DCW output V=240/4 */ 557 {0x1c, 0x0a}, 558 {0x1d, 0x0a}, 559 {0x94, 0x11}, 560}; 561static const u8 sensor_start_qvga_767x[][2] = { 562 {0x11, 0x01}, 563 {0x1e, 0x04}, 564 {0x19, 0x02}, 565 {0x1a, 0x7a}, 566}; 567 568static const u8 bridge_init_772x[][2] = { 569 { 0xc2, 0x0c }, 570 { 0x88, 0xf8 }, 571 { 0xc3, 0x69 }, 572 { 0x89, 0xff }, 573 { 0x76, 0x03 }, 574 { 0x92, 0x01 }, 575 { 0x93, 0x18 }, 576 { 0x94, 0x10 }, 577 { 0x95, 0x10 }, 578 { 0xe2, 0x00 }, 579 { 0xe7, 0x3e }, 580 581 { 0x96, 0x00 }, 582 583 { 0x97, 0x20 }, 584 { 0x97, 0x20 }, 585 { 0x97, 0x20 }, 586 { 0x97, 0x0a }, 587 { 0x97, 0x3f }, 588 { 0x97, 0x4a }, 589 { 0x97, 0x20 }, 590 { 0x97, 0x15 }, 591 { 0x97, 0x0b }, 592 593 { 0x8e, 0x40 }, 594 { 0x1f, 0x81 }, 595 { 0x34, 0x05 }, 596 { 0xe3, 0x04 }, 597 { 0x88, 0x00 }, 598 { 0x89, 0x00 }, 599 { 0x76, 0x00 }, 600 { 0xe7, 0x2e }, 601 { 0x31, 0xf9 }, 602 { 0x25, 0x42 }, 603 { 0x21, 0xf0 }, 604 605 { 0x1c, 0x00 }, 606 { 0x1d, 0x40 }, 607 { 0x1d, 0x02 }, /* payload size 0x0200 * 4 = 2048 bytes */ 608 { 0x1d, 0x00 }, /* payload size */ 609 610 { 0x1d, 0x02 }, /* frame size 0x025800 * 4 = 614400 */ 611 { 0x1d, 0x58 }, /* frame size */ 612 { 0x1d, 0x00 }, /* frame size */ 613 614 { 0x1c, 0x0a }, 615 { 0x1d, 0x08 }, /* turn on UVC header */ 616 { 0x1d, 0x0e }, /* .. */ 617 618 { 0x8d, 0x1c }, 619 { 0x8e, 0x80 }, 620 { 0xe5, 0x04 }, 621 622 { 0xc0, 0x50 }, 623 { 0xc1, 0x3c }, 624 { 0xc2, 0x0c }, 625}; 626static const u8 sensor_init_772x[][2] = { 627 { 0x12, 0x80 }, 628 { 0x11, 0x01 }, 629/*fixme: better have a delay?*/ 630 { 0x11, 0x01 }, 631 { 0x11, 0x01 }, 632 { 0x11, 0x01 }, 633 { 0x11, 0x01 }, 634 { 0x11, 0x01 }, 635 { 0x11, 0x01 }, 636 { 0x11, 0x01 }, 637 { 0x11, 0x01 }, 638 { 0x11, 0x01 }, 639 { 0x11, 0x01 }, 640 641 { 0x3d, 0x03 }, 642 { 0x17, 0x26 }, 643 { 0x18, 0xa0 }, 644 { 0x19, 0x07 }, 645 { 0x1a, 0xf0 }, 646 { 0x32, 0x00 }, 647 { 0x29, 0xa0 }, 648 { 0x2c, 0xf0 }, 649 { 0x65, 0x20 }, 650 { 0x11, 0x01 }, 651 { 0x42, 0x7f }, 652 { 0x63, 0xaa }, /* AWB - was e0 */ 653 { 0x64, 0xff }, 654 { 0x66, 0x00 }, 655 { 0x13, 0xf0 }, /* com8 */ 656 { 0x0d, 0x41 }, 657 { 0x0f, 0xc5 }, 658 { 0x14, 0x11 }, 659 660 { 0x22, 0x7f }, 661 { 0x23, 0x03 }, 662 { 0x24, 0x40 }, 663 { 0x25, 0x30 }, 664 { 0x26, 0xa1 }, 665 { 0x2a, 0x00 }, 666 { 0x2b, 0x00 }, 667 { 0x6b, 0xaa }, 668 { 0x13, 0xff }, /* AWB */ 669 670 { 0x90, 0x05 }, 671 { 0x91, 0x01 }, 672 { 0x92, 0x03 }, 673 { 0x93, 0x00 }, 674 { 0x94, 0x60 }, 675 { 0x95, 0x3c }, 676 { 0x96, 0x24 }, 677 { 0x97, 0x1e }, 678 { 0x98, 0x62 }, 679 { 0x99, 0x80 }, 680 { 0x9a, 0x1e }, 681 { 0x9b, 0x08 }, 682 { 0x9c, 0x20 }, 683 { 0x9e, 0x81 }, 684 685 { 0xa6, 0x04 }, 686 { 0x7e, 0x0c }, 687 { 0x7f, 0x16 }, 688 { 0x80, 0x2a }, 689 { 0x81, 0x4e }, 690 { 0x82, 0x61 }, 691 { 0x83, 0x6f }, 692 { 0x84, 0x7b }, 693 { 0x85, 0x86 }, 694 { 0x86, 0x8e }, 695 { 0x87, 0x97 }, 696 { 0x88, 0xa4 }, 697 { 0x89, 0xaf }, 698 { 0x8a, 0xc5 }, 699 { 0x8b, 0xd7 }, 700 { 0x8c, 0xe8 }, 701 { 0x8d, 0x20 }, 702 703 { 0x0c, 0x90 }, 704 705 { 0x2b, 0x00 }, 706 { 0x22, 0x7f }, 707 { 0x23, 0x03 }, 708 { 0x11, 0x01 }, 709 { 0x0c, 0xd0 }, 710 { 0x64, 0xff }, 711 { 0x0d, 0x41 }, 712 713 { 0x14, 0x41 }, 714 { 0x0e, 0xcd }, 715 { 0xac, 0xbf }, 716 { 0x8e, 0x00 }, /* De-noise threshold */ 717 { 0x0c, 0xd0 } 718}; 719static const u8 bridge_start_vga_772x[][2] = { 720 {0x1c, 0x00}, 721 {0x1d, 0x40}, 722 {0x1d, 0x02}, 723 {0x1d, 0x00}, 724 {0x1d, 0x02}, 725 {0x1d, 0x58}, 726 {0x1d, 0x00}, 727 {0xc0, 0x50}, 728 {0xc1, 0x3c}, 729}; 730static const u8 sensor_start_vga_772x[][2] = { 731 {0x12, 0x00}, 732 {0x17, 0x26}, 733 {0x18, 0xa0}, 734 {0x19, 0x07}, 735 {0x1a, 0xf0}, 736 {0x29, 0xa0}, 737 {0x2c, 0xf0}, 738 {0x65, 0x20}, 739}; 740static const u8 bridge_start_qvga_772x[][2] = { 741 {0x1c, 0x00}, 742 {0x1d, 0x40}, 743 {0x1d, 0x02}, 744 {0x1d, 0x00}, 745 {0x1d, 0x01}, 746 {0x1d, 0x4b}, 747 {0x1d, 0x00}, 748 {0xc0, 0x28}, 749 {0xc1, 0x1e}, 750}; 751static const u8 sensor_start_qvga_772x[][2] = { 752 {0x12, 0x40}, 753 {0x17, 0x3f}, 754 {0x18, 0x50}, 755 {0x19, 0x03}, 756 {0x1a, 0x78}, 757 {0x29, 0x50}, 758 {0x2c, 0x78}, 759 {0x65, 0x2f}, 760}; 761 762static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) 763{ 764 struct usb_device *udev = gspca_dev->dev; 765 int ret; 766 767 if (gspca_dev->usb_err < 0) 768 return; 769 770 PDEBUG(D_USBO, "SET 01 0000 %04x %02x", reg, val); 771 gspca_dev->usb_buf[0] = val; 772 ret = usb_control_msg(udev, 773 usb_sndctrlpipe(udev, 0), 774 0x01, 775 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 776 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); 777 if (ret < 0) { 778 err("write failed %d", ret); 779 gspca_dev->usb_err = ret; 780 } 781} 782 783static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) 784{ 785 struct usb_device *udev = gspca_dev->dev; 786 int ret; 787 788 if (gspca_dev->usb_err < 0) 789 return 0; 790 ret = usb_control_msg(udev, 791 usb_rcvctrlpipe(udev, 0), 792 0x01, 793 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 794 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); 795 PDEBUG(D_USBI, "GET 01 0000 %04x %02x", reg, gspca_dev->usb_buf[0]); 796 if (ret < 0) { 797 err("read failed %d", ret); 798 gspca_dev->usb_err = ret; 799 } 800 return gspca_dev->usb_buf[0]; 801} 802 803/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. 804 * (direction and output)? */ 805static void ov534_set_led(struct gspca_dev *gspca_dev, int status) 806{ 807 u8 data; 808 809 PDEBUG(D_CONF, "led status: %d", status); 810 811 data = ov534_reg_read(gspca_dev, 0x21); 812 data |= 0x80; 813 ov534_reg_write(gspca_dev, 0x21, data); 814 815 data = ov534_reg_read(gspca_dev, 0x23); 816 if (status) 817 data |= 0x80; 818 else 819 data &= ~0x80; 820 821 ov534_reg_write(gspca_dev, 0x23, data); 822 823 if (!status) { 824 data = ov534_reg_read(gspca_dev, 0x21); 825 data &= ~0x80; 826 ov534_reg_write(gspca_dev, 0x21, data); 827 } 828} 829 830static int sccb_check_status(struct gspca_dev *gspca_dev) 831{ 832 u8 data; 833 int i; 834 835 for (i = 0; i < 5; i++) { 836 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); 837 838 switch (data) { 839 case 0x00: 840 return 1; 841 case 0x04: 842 return 0; 843 case 0x03: 844 break; 845 default: 846 PDEBUG(D_ERR, "sccb status 0x%02x, attempt %d/5", 847 data, i + 1); 848 } 849 } 850 return 0; 851} 852 853static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) 854{ 855 PDEBUG(D_USBO, "sccb write: %02x %02x", reg, val); 856 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); 857 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); 858 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); 859 860 if (!sccb_check_status(gspca_dev)) { 861 err("sccb_reg_write failed"); 862 gspca_dev->usb_err = -EIO; 863 } 864} 865 866static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) 867{ 868 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); 869 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); 870 if (!sccb_check_status(gspca_dev)) 871 err("sccb_reg_read failed 1"); 872 873 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); 874 if (!sccb_check_status(gspca_dev)) 875 err("sccb_reg_read failed 2"); 876 877 return ov534_reg_read(gspca_dev, OV534_REG_READ); 878} 879 880/* output a bridge sequence (reg - val) */ 881static void reg_w_array(struct gspca_dev *gspca_dev, 882 const u8 (*data)[2], int len) 883{ 884 while (--len >= 0) { 885 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]); 886 data++; 887 } 888} 889 890/* output a sensor sequence (reg - val) */ 891static void sccb_w_array(struct gspca_dev *gspca_dev, 892 const u8 (*data)[2], int len) 893{ 894 while (--len >= 0) { 895 if ((*data)[0] != 0xff) { 896 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]); 897 } else { 898 sccb_reg_read(gspca_dev, (*data)[1]); 899 sccb_reg_write(gspca_dev, 0xff, 0x00); 900 } 901 data++; 902 } 903} 904 905/* ov772x specific controls */ 906static void set_frame_rate(struct gspca_dev *gspca_dev) 907{ 908 struct sd *sd = (struct sd *) gspca_dev; 909 int i; 910 struct rate_s { 911 u8 fps; 912 u8 r11; 913 u8 r0d; 914 u8 re5; 915 }; 916 const struct rate_s *r; 917 static const struct rate_s rate_0[] = { /* 640x480 */ 918 {60, 0x01, 0xc1, 0x04}, 919 {50, 0x01, 0x41, 0x02}, 920 {40, 0x02, 0xc1, 0x04}, 921 {30, 0x04, 0x81, 0x02}, 922 {15, 0x03, 0x41, 0x04}, 923 }; 924 static const struct rate_s rate_1[] = { /* 320x240 */ 925 {125, 0x02, 0x81, 0x02}, 926 {100, 0x02, 0xc1, 0x04}, 927 {75, 0x03, 0xc1, 0x04}, 928 {60, 0x04, 0xc1, 0x04}, 929 {50, 0x02, 0x41, 0x04}, 930 {40, 0x03, 0x41, 0x04}, 931 {30, 0x04, 0x41, 0x04}, 932 }; 933 934 if (sd->sensor != SENSOR_OV772x) 935 return; 936 if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) { 937 r = rate_0; 938 i = ARRAY_SIZE(rate_0); 939 } else { 940 r = rate_1; 941 i = ARRAY_SIZE(rate_1); 942 } 943 while (--i > 0) { 944 if (sd->frame_rate >= r->fps) 945 break; 946 r++; 947 } 948 949 sccb_reg_write(gspca_dev, 0x11, r->r11); 950 sccb_reg_write(gspca_dev, 0x0d, r->r0d); 951 ov534_reg_write(gspca_dev, 0xe5, r->re5); 952 953 PDEBUG(D_PROBE, "frame_rate: %d", r->fps); 954} 955 956static void setbrightness(struct gspca_dev *gspca_dev) 957{ 958 struct sd *sd = (struct sd *) gspca_dev; 959 int val; 960 961 val = sd->ctrls[BRIGHTNESS].val; 962 if (sd->sensor == SENSOR_OV767x) { 963 if (val < 0) 964 val = 0x80 - val; 965 sccb_reg_write(gspca_dev, 0x55, val); /* bright */ 966 } else { 967 sccb_reg_write(gspca_dev, 0x9b, val); 968 } 969} 970 971static void setcontrast(struct gspca_dev *gspca_dev) 972{ 973 struct sd *sd = (struct sd *) gspca_dev; 974 u8 val; 975 976 val = sd->ctrls[CONTRAST].val; 977 if (sd->sensor == SENSOR_OV767x) 978 sccb_reg_write(gspca_dev, 0x56, val); /* contras */ 979 else 980 sccb_reg_write(gspca_dev, 0x9c, val); 981} 982 983static void setgain(struct gspca_dev *gspca_dev) 984{ 985 struct sd *sd = (struct sd *) gspca_dev; 986 u8 val; 987 988 if (sd->ctrls[AGC].val) 989 return; 990 991 val = sd->ctrls[GAIN].val; 992 switch (val & 0x30) { 993 case 0x00: 994 val &= 0x0f; 995 break; 996 case 0x10: 997 val &= 0x0f; 998 val |= 0x30; 999 break; 1000 case 0x20: 1001 val &= 0x0f; 1002 val |= 0x70; 1003 break; 1004 default: 1005/* case 0x30: */ 1006 val &= 0x0f; 1007 val |= 0xf0; 1008 break; 1009 } 1010 sccb_reg_write(gspca_dev, 0x00, val); 1011} 1012 1013static void setexposure(struct gspca_dev *gspca_dev) 1014{ 1015 struct sd *sd = (struct sd *) gspca_dev; 1016 u8 val; 1017 1018 if (sd->ctrls[AEC].val) 1019 return; 1020 1021 val = sd->ctrls[EXPOSURE].val; 1022 if (sd->sensor == SENSOR_OV767x) { 1023 1024 /* set only aec[9:2] */ 1025 sccb_reg_write(gspca_dev, 0x10, val); /* aech */ 1026 } else { 1027 1028 /* 'val' is one byte and represents half of the exposure value 1029 * we are going to set into registers, a two bytes value: 1030 * 1031 * MSB: ((u16) val << 1) >> 8 == val >> 7 1032 * LSB: ((u16) val << 1) & 0xff == val << 1 1033 */ 1034 sccb_reg_write(gspca_dev, 0x08, val >> 7); 1035 sccb_reg_write(gspca_dev, 0x10, val << 1); 1036 } 1037} 1038 1039static void setagc(struct gspca_dev *gspca_dev) 1040{ 1041 struct sd *sd = (struct sd *) gspca_dev; 1042 1043 if (sd->ctrls[AGC].val) { 1044 sccb_reg_write(gspca_dev, 0x13, 1045 sccb_reg_read(gspca_dev, 0x13) | 0x04); 1046 sccb_reg_write(gspca_dev, 0x64, 1047 sccb_reg_read(gspca_dev, 0x64) | 0x03); 1048 } else { 1049 sccb_reg_write(gspca_dev, 0x13, 1050 sccb_reg_read(gspca_dev, 0x13) & ~0x04); 1051 sccb_reg_write(gspca_dev, 0x64, 1052 sccb_reg_read(gspca_dev, 0x64) & ~0x03); 1053 1054 setgain(gspca_dev); 1055 } 1056} 1057 1058static void setawb(struct gspca_dev *gspca_dev) 1059{ 1060 struct sd *sd = (struct sd *) gspca_dev; 1061 1062 if (sd->ctrls[AWB].val) { 1063 sccb_reg_write(gspca_dev, 0x13, 1064 sccb_reg_read(gspca_dev, 0x13) | 0x02); 1065 if (sd->sensor == SENSOR_OV772x) 1066 sccb_reg_write(gspca_dev, 0x63, 1067 sccb_reg_read(gspca_dev, 0x63) | 0xc0); 1068 } else { 1069 sccb_reg_write(gspca_dev, 0x13, 1070 sccb_reg_read(gspca_dev, 0x13) & ~0x02); 1071 if (sd->sensor == SENSOR_OV772x) 1072 sccb_reg_write(gspca_dev, 0x63, 1073 sccb_reg_read(gspca_dev, 0x63) & ~0xc0); 1074 } 1075} 1076 1077static void setaec(struct gspca_dev *gspca_dev) 1078{ 1079 struct sd *sd = (struct sd *) gspca_dev; 1080 u8 data; 1081 1082 data = sd->sensor == SENSOR_OV767x ? 1083 0x05 : /* agc + aec */ 1084 0x01; /* agc */ 1085 if (sd->ctrls[AEC].val) 1086 sccb_reg_write(gspca_dev, 0x13, 1087 sccb_reg_read(gspca_dev, 0x13) | data); 1088 else { 1089 sccb_reg_write(gspca_dev, 0x13, 1090 sccb_reg_read(gspca_dev, 0x13) & ~data); 1091 if (sd->sensor == SENSOR_OV767x) 1092 sd->ctrls[EXPOSURE].val = 1093 sccb_reg_read(gspca_dev, 10); /* aech */ 1094 else 1095 setexposure(gspca_dev); 1096 } 1097} 1098 1099static void setsharpness(struct gspca_dev *gspca_dev) 1100{ 1101 struct sd *sd = (struct sd *) gspca_dev; 1102 u8 val; 1103 1104 val = sd->ctrls[SHARPNESS].val; 1105 sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */ 1106 sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */ 1107} 1108 1109static void sethvflip(struct gspca_dev *gspca_dev) 1110{ 1111 struct sd *sd = (struct sd *) gspca_dev; 1112 u8 val; 1113 1114 if (sd->sensor == SENSOR_OV767x) { 1115 val = sccb_reg_read(gspca_dev, 0x1e); /* mvfp */ 1116 val &= ~0x30; 1117 if (sd->ctrls[HFLIP].val) 1118 val |= 0x20; 1119 if (sd->ctrls[VFLIP].val) 1120 val |= 0x10; 1121 sccb_reg_write(gspca_dev, 0x1e, val); 1122 } else { 1123 val = sccb_reg_read(gspca_dev, 0x0c); 1124 val &= ~0xc0; 1125 if (sd->ctrls[HFLIP].val == 0) 1126 val |= 0x40; 1127 if (sd->ctrls[VFLIP].val == 0) 1128 val |= 0x80; 1129 sccb_reg_write(gspca_dev, 0x0c, val); 1130 } 1131} 1132 1133static void setcolors(struct gspca_dev *gspca_dev) 1134{ 1135 struct sd *sd = (struct sd *) gspca_dev; 1136 u8 val; 1137 int i; 1138 static u8 color_tb[][6] = { 1139 {0x42, 0x42, 0x00, 0x11, 0x30, 0x41}, 1140 {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52}, 1141 {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66}, 1142 {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80}, 1143 {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a}, 1144 {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8}, 1145 {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd}, 1146 }; 1147 1148 val = sd->ctrls[COLORS].val; 1149 for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++) 1150 sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]); 1151} 1152 1153static void setlightfreq(struct gspca_dev *gspca_dev) 1154{ 1155 struct sd *sd = (struct sd *) gspca_dev; 1156 u8 val; 1157 1158 val = sd->ctrls[LIGHTFREQ].val ? 0x9e : 0x00; 1159 if (sd->sensor == SENSOR_OV767x) { 1160 sccb_reg_write(gspca_dev, 0x2a, 0x00); 1161 if (val) 1162 val = 0x9d; /* insert dummy to 25fps for 50Hz */ 1163 } 1164 sccb_reg_write(gspca_dev, 0x2b, val); 1165} 1166 1167 1168/* this function is called at probe time */ 1169static int sd_config(struct gspca_dev *gspca_dev, 1170 const struct usb_device_id *id) 1171{ 1172 struct sd *sd = (struct sd *) gspca_dev; 1173 struct cam *cam; 1174 1175 cam = &gspca_dev->cam; 1176 1177 cam->ctrls = sd->ctrls; 1178 1179 /* the auto white balance control works only when auto gain is set */ 1180 if (sd_ctrls[AGC].qctrl.default_value == 0) 1181 gspca_dev->ctrl_inac |= (1 << AWB); 1182 1183 cam->cam_mode = ov772x_mode; 1184 cam->nmodes = ARRAY_SIZE(ov772x_mode); 1185 1186 sd->frame_rate = 30; 1187 1188 return 0; 1189} 1190 1191/* this function is called at probe and resume time */ 1192static int sd_init(struct gspca_dev *gspca_dev) 1193{ 1194 struct sd *sd = (struct sd *) gspca_dev; 1195 u16 sensor_id; 1196 static const struct reg_array bridge_init[NSENSORS] = { 1197 [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)}, 1198 [SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)}, 1199 }; 1200 static const struct reg_array sensor_init[NSENSORS] = { 1201 [SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)}, 1202 [SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)}, 1203 }; 1204 1205 /* reset bridge */ 1206 ov534_reg_write(gspca_dev, 0xe7, 0x3a); 1207 ov534_reg_write(gspca_dev, 0xe0, 0x08); 1208 msleep(100); 1209 1210 /* initialize the sensor address */ 1211 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42); 1212 1213 /* reset sensor */ 1214 sccb_reg_write(gspca_dev, 0x12, 0x80); 1215 msleep(10); 1216 1217 /* probe the sensor */ 1218 sccb_reg_read(gspca_dev, 0x0a); 1219 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8; 1220 sccb_reg_read(gspca_dev, 0x0b); 1221 sensor_id |= sccb_reg_read(gspca_dev, 0x0b); 1222 PDEBUG(D_PROBE, "Sensor ID: %04x", sensor_id); 1223 1224 if ((sensor_id & 0xfff0) == 0x7670) { 1225 sd->sensor = SENSOR_OV767x; 1226 gspca_dev->ctrl_dis = (1 << GAIN) | 1227 (1 << AGC) | 1228 (1 << SHARPNESS); /* auto */ 1229 sd->ctrls[BRIGHTNESS].min = -127; 1230 sd->ctrls[BRIGHTNESS].max = 127; 1231 sd->ctrls[BRIGHTNESS].def = 0; 1232 sd->ctrls[CONTRAST].max = 0x80; 1233 sd->ctrls[CONTRAST].def = 0x40; 1234 sd->ctrls[EXPOSURE].min = 0x08; 1235 sd->ctrls[EXPOSURE].max = 0x60; 1236 sd->ctrls[EXPOSURE].def = 0x13; 1237 sd->ctrls[SHARPNESS].max = 9; 1238 sd->ctrls[SHARPNESS].def = 4; 1239 sd->ctrls[HFLIP].def = 1; 1240 gspca_dev->cam.cam_mode = ov767x_mode; 1241 gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode); 1242 } else { 1243 sd->sensor = SENSOR_OV772x; 1244 gspca_dev->ctrl_dis = (1 << COLORS); 1245 gspca_dev->cam.bulk = 1; 1246 gspca_dev->cam.bulk_size = 16384; 1247 gspca_dev->cam.bulk_nurbs = 2; 1248 gspca_dev->cam.mode_framerates = ov772x_framerates; 1249 } 1250 1251 /* initialize */ 1252 reg_w_array(gspca_dev, bridge_init[sd->sensor].val, 1253 bridge_init[sd->sensor].len); 1254 ov534_set_led(gspca_dev, 1); 1255 sccb_w_array(gspca_dev, sensor_init[sd->sensor].val, 1256 sensor_init[sd->sensor].len); 1257 if (sd->sensor == SENSOR_OV767x) 1258 sd_start(gspca_dev); 1259 sd_stopN(gspca_dev); 1260/* set_frame_rate(gspca_dev); */ 1261 1262 return gspca_dev->usb_err; 1263} 1264 1265static int sd_start(struct gspca_dev *gspca_dev) 1266{ 1267 struct sd *sd = (struct sd *) gspca_dev; 1268 int mode; 1269 static const struct reg_array bridge_start[NSENSORS][2] = { 1270 [SENSOR_OV767x] = {{bridge_start_qvga_767x, 1271 ARRAY_SIZE(bridge_start_qvga_767x)}, 1272 {bridge_start_vga_767x, 1273 ARRAY_SIZE(bridge_start_vga_767x)}}, 1274 [SENSOR_OV772x] = {{bridge_start_qvga_772x, 1275 ARRAY_SIZE(bridge_start_qvga_772x)}, 1276 {bridge_start_vga_772x, 1277 ARRAY_SIZE(bridge_start_vga_772x)}}, 1278 }; 1279 static const struct reg_array sensor_start[NSENSORS][2] = { 1280 [SENSOR_OV767x] = {{sensor_start_qvga_767x, 1281 ARRAY_SIZE(sensor_start_qvga_767x)}, 1282 {sensor_start_vga_767x, 1283 ARRAY_SIZE(sensor_start_vga_767x)}}, 1284 [SENSOR_OV772x] = {{sensor_start_qvga_772x, 1285 ARRAY_SIZE(sensor_start_qvga_772x)}, 1286 {sensor_start_vga_772x, 1287 ARRAY_SIZE(sensor_start_vga_772x)}}, 1288 }; 1289 1290 /* (from ms-win trace) */ 1291 if (sd->sensor == SENSOR_OV767x) 1292 sccb_reg_write(gspca_dev, 0x1e, 0x04); 1293 /* black sun enable ? */ 1294 1295 mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */ 1296 reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val, 1297 bridge_start[sd->sensor][mode].len); 1298 sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val, 1299 sensor_start[sd->sensor][mode].len); 1300 1301 set_frame_rate(gspca_dev); 1302 1303 if (!(gspca_dev->ctrl_dis & (1 << AGC))) 1304 setagc(gspca_dev); 1305 setawb(gspca_dev); 1306 setaec(gspca_dev); 1307 if (!(gspca_dev->ctrl_dis & (1 << GAIN))) 1308 setgain(gspca_dev); 1309 setexposure(gspca_dev); 1310 setbrightness(gspca_dev); 1311 setcontrast(gspca_dev); 1312 if (!(gspca_dev->ctrl_dis & (1 << SHARPNESS))) 1313 setsharpness(gspca_dev); 1314 sethvflip(gspca_dev); 1315 if (!(gspca_dev->ctrl_dis & (1 << COLORS))) 1316 setcolors(gspca_dev); 1317 setlightfreq(gspca_dev); 1318 1319 ov534_set_led(gspca_dev, 1); 1320 ov534_reg_write(gspca_dev, 0xe0, 0x00); 1321 return gspca_dev->usb_err; 1322} 1323 1324static void sd_stopN(struct gspca_dev *gspca_dev) 1325{ 1326 ov534_reg_write(gspca_dev, 0xe0, 0x09); 1327 ov534_set_led(gspca_dev, 0); 1328} 1329 1330/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ 1331#define UVC_STREAM_EOH (1 << 7) 1332#define UVC_STREAM_ERR (1 << 6) 1333#define UVC_STREAM_STI (1 << 5) 1334#define UVC_STREAM_RES (1 << 4) 1335#define UVC_STREAM_SCR (1 << 3) 1336#define UVC_STREAM_PTS (1 << 2) 1337#define UVC_STREAM_EOF (1 << 1) 1338#define UVC_STREAM_FID (1 << 0) 1339 1340static void sd_pkt_scan(struct gspca_dev *gspca_dev, 1341 u8 *data, int len) 1342{ 1343 struct sd *sd = (struct sd *) gspca_dev; 1344 __u32 this_pts; 1345 u16 this_fid; 1346 int remaining_len = len; 1347 int payload_len; 1348 1349 payload_len = gspca_dev->cam.bulk ? 2048 : 2040; 1350 do { 1351 len = min(remaining_len, payload_len); 1352 1353 /* Payloads are prefixed with a UVC-style header. We 1354 consider a frame to start when the FID toggles, or the PTS 1355 changes. A frame ends when EOF is set, and we've received 1356 the correct number of bytes. */ 1357 1358 /* Verify UVC header. Header length is always 12 */ 1359 if (data[0] != 12 || len < 12) { 1360 PDEBUG(D_PACK, "bad header"); 1361 goto discard; 1362 } 1363 1364 /* Check errors */ 1365 if (data[1] & UVC_STREAM_ERR) { 1366 PDEBUG(D_PACK, "payload error"); 1367 goto discard; 1368 } 1369 1370 /* Extract PTS and FID */ 1371 if (!(data[1] & UVC_STREAM_PTS)) { 1372 PDEBUG(D_PACK, "PTS not present"); 1373 goto discard; 1374 } 1375 this_pts = (data[5] << 24) | (data[4] << 16) 1376 | (data[3] << 8) | data[2]; 1377 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; 1378 1379 /* If PTS or FID has changed, start a new frame. */ 1380 if (this_pts != sd->last_pts || this_fid != sd->last_fid) { 1381 if (gspca_dev->last_packet_type == INTER_PACKET) 1382 gspca_frame_add(gspca_dev, LAST_PACKET, 1383 NULL, 0); 1384 sd->last_pts = this_pts; 1385 sd->last_fid = this_fid; 1386 gspca_frame_add(gspca_dev, FIRST_PACKET, 1387 data + 12, len - 12); 1388 /* If this packet is marked as EOF, end the frame */ 1389 } else if (data[1] & UVC_STREAM_EOF) { 1390 sd->last_pts = 0; 1391 if (gspca_dev->pixfmt == V4L2_PIX_FMT_YUYV 1392 && gspca_dev->image_len + len - 12 != 1393 gspca_dev->width * gspca_dev->height * 2) { 1394 PDEBUG(D_PACK, "wrong sized frame"); 1395 goto discard; 1396 } 1397 gspca_frame_add(gspca_dev, LAST_PACKET, 1398 data + 12, len - 12); 1399 } else { 1400 1401 /* Add the data from this payload */ 1402 gspca_frame_add(gspca_dev, INTER_PACKET, 1403 data + 12, len - 12); 1404 } 1405 1406 /* Done this payload */ 1407 goto scan_next; 1408 1409discard: 1410 /* Discard data until a new frame starts. */ 1411 gspca_dev->last_packet_type = DISCARD_PACKET; 1412 1413scan_next: 1414 remaining_len -= len; 1415 data += len; 1416 } while (remaining_len > 0); 1417} 1418 1419static int sd_setagc(struct gspca_dev *gspca_dev, __s32 val) 1420{ 1421 struct sd *sd = (struct sd *) gspca_dev; 1422 1423 sd->ctrls[AGC].val = val; 1424 1425 /* the auto white balance control works only 1426 * when auto gain is set */ 1427 if (val) { 1428 gspca_dev->ctrl_inac &= ~(1 << AWB); 1429 } else { 1430 gspca_dev->ctrl_inac |= (1 << AWB); 1431 if (sd->ctrls[AWB].val) { 1432 sd->ctrls[AWB].val = 0; 1433 if (gspca_dev->streaming) 1434 setawb(gspca_dev); 1435 } 1436 } 1437 if (gspca_dev->streaming) 1438 setagc(gspca_dev); 1439 return gspca_dev->usb_err; 1440} 1441 1442static int sd_querymenu(struct gspca_dev *gspca_dev, 1443 struct v4l2_querymenu *menu) 1444{ 1445 switch (menu->id) { 1446 case V4L2_CID_POWER_LINE_FREQUENCY: 1447 switch (menu->index) { 1448 case 0: /* V4L2_CID_POWER_LINE_FREQUENCY_DISABLED */ 1449 strcpy((char *) menu->name, "Disabled"); 1450 return 0; 1451 case 1: /* V4L2_CID_POWER_LINE_FREQUENCY_50HZ */ 1452 strcpy((char *) menu->name, "50 Hz"); 1453 return 0; 1454 } 1455 break; 1456 } 1457 1458 return -EINVAL; 1459} 1460 1461/* get stream parameters (framerate) */ 1462static void sd_get_streamparm(struct gspca_dev *gspca_dev, 1463 struct v4l2_streamparm *parm) 1464{ 1465 struct v4l2_captureparm *cp = &parm->parm.capture; 1466 struct v4l2_fract *tpf = &cp->timeperframe; 1467 struct sd *sd = (struct sd *) gspca_dev; 1468 1469 cp->capability |= V4L2_CAP_TIMEPERFRAME; 1470 tpf->numerator = 1; 1471 tpf->denominator = sd->frame_rate; 1472} 1473 1474/* set stream parameters (framerate) */ 1475static void sd_set_streamparm(struct gspca_dev *gspca_dev, 1476 struct v4l2_streamparm *parm) 1477{ 1478 struct v4l2_captureparm *cp = &parm->parm.capture; 1479 struct v4l2_fract *tpf = &cp->timeperframe; 1480 struct sd *sd = (struct sd *) gspca_dev; 1481 1482 /* Set requested framerate */ 1483 sd->frame_rate = tpf->denominator / tpf->numerator; 1484 if (gspca_dev->streaming) 1485 set_frame_rate(gspca_dev); 1486 1487 /* Return the actual framerate */ 1488 tpf->numerator = 1; 1489 tpf->denominator = sd->frame_rate; 1490} 1491 1492/* sub-driver description */ 1493static const struct sd_desc sd_desc = { 1494 .name = MODULE_NAME, 1495 .ctrls = sd_ctrls, 1496 .nctrls = ARRAY_SIZE(sd_ctrls), 1497 .config = sd_config, 1498 .init = sd_init, 1499 .start = sd_start, 1500 .stopN = sd_stopN, 1501 .pkt_scan = sd_pkt_scan, 1502 .querymenu = sd_querymenu, 1503 .get_streamparm = sd_get_streamparm, 1504 .set_streamparm = sd_set_streamparm, 1505}; 1506 1507/* -- module initialisation -- */ 1508static const struct usb_device_id device_table[] = { 1509 {USB_DEVICE(0x1415, 0x2000)}, 1510 {USB_DEVICE(0x06f8, 0x3002)}, 1511 {} 1512}; 1513 1514MODULE_DEVICE_TABLE(usb, device_table); 1515 1516/* -- device connect -- */ 1517static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) 1518{ 1519 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), 1520 THIS_MODULE); 1521} 1522 1523static struct usb_driver sd_driver = { 1524 .name = MODULE_NAME, 1525 .id_table = device_table, 1526 .probe = sd_probe, 1527 .disconnect = gspca_disconnect, 1528#ifdef CONFIG_PM 1529 .suspend = gspca_suspend, 1530 .resume = gspca_resume, 1531#endif 1532}; 1533 1534/* -- module insert / remove -- */ 1535static int __init sd_mod_init(void) 1536{ 1537 return usb_register(&sd_driver); 1538} 1539 1540static void __exit sd_mod_exit(void) 1541{ 1542 usb_deregister(&sd_driver); 1543} 1544 1545module_init(sd_mod_init); 1546module_exit(sd_mod_exit);