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