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ov534.c
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linux-6.19.14/drivers/media/usb/gspca/ov534.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * ov534-ov7xxx gspca driver 4 * 5 * Copyright (C) 2008 Antonio Ospite <ospite@studenti.unina.it> 6 * Copyright (C) 2008 Jim Paris <jim@jtan.com> 7 * Copyright (C) 2009 Jean-Francois Moine http://moinejf.free.fr 8 * 9 * Based on a prototype written by Mark Ferrell <majortrips@gmail.com> 10 * USB protocol reverse engineered by Jim Paris <jim@jtan.com> 11 * https://jim.sh/svn/jim/devl/playstation/ps3/eye/test/ 12 * 13 * PS3 Eye camera enhanced by Richard Kaswy http://kaswy.free.fr 14 * PS3 Eye camera - brightness, contrast, awb, agc, aec controls 15 * added by Max Thrun <bear24rw@gmail.com> 16 * PS3 Eye camera - FPS range extended by Joseph Howse 17 * <josephhowse@nummist.com> https://nummist.com 18 */ 19 20#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 21 22#define MODULE_NAME "ov534" 23 24#include "gspca.h" 25 26#include <linux/fixp-arith.h> 27#include <media/v4l2-ctrls.h> 28 29#define OV534_REG_ADDRESS 0xf1 /* sensor address */ 30#define OV534_REG_SUBADDR 0xf2 31#define OV534_REG_WRITE 0xf3 32#define OV534_REG_READ 0xf4 33#define OV534_REG_OPERATION 0xf5 34#define OV534_REG_STATUS 0xf6 35 36#define OV534_OP_WRITE_3 0x37 37#define OV534_OP_WRITE_2 0x33 38#define OV534_OP_READ_2 0xf9 39 40#define CTRL_TIMEOUT 500 41#define DEFAULT_FRAME_RATE 30 42 43MODULE_AUTHOR("Antonio Ospite <ospite@studenti.unina.it>"); 44MODULE_DESCRIPTION("GSPCA/OV534 USB Camera Driver"); 45MODULE_LICENSE("GPL"); 46 47/* specific webcam descriptor */ 48struct sd { 49 struct gspca_dev gspca_dev; /* !! must be the first item */ 50 51 struct v4l2_ctrl_handler ctrl_handler; 52 struct v4l2_ctrl *hue; 53 struct v4l2_ctrl *saturation; 54 struct v4l2_ctrl *brightness; 55 struct v4l2_ctrl *contrast; 56 struct { /* gain control cluster */ 57 struct v4l2_ctrl *autogain; 58 struct v4l2_ctrl *gain; 59 }; 60 struct v4l2_ctrl *autowhitebalance; 61 struct { /* exposure control cluster */ 62 struct v4l2_ctrl *autoexposure; 63 struct v4l2_ctrl *exposure; 64 }; 65 struct v4l2_ctrl *sharpness; 66 struct v4l2_ctrl *hflip; 67 struct v4l2_ctrl *vflip; 68 struct v4l2_ctrl *plfreq; 69 70 __u32 last_pts; 71 u16 last_fid; 72 u8 frame_rate; 73 74 u8 sensor; 75}; 76enum sensors { 77 SENSOR_OV767x, 78 SENSOR_OV772x, 79 NSENSORS 80}; 81 82static int sd_start(struct gspca_dev *gspca_dev); 83static void sd_stopN(struct gspca_dev *gspca_dev); 84 85 86static const struct v4l2_pix_format ov772x_mode[] = { 87 {320, 240, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, 88 .bytesperline = 320 * 2, 89 .sizeimage = 320 * 240 * 2, 90 .colorspace = V4L2_COLORSPACE_SRGB, 91 .priv = 1}, 92 {640, 480, V4L2_PIX_FMT_YUYV, V4L2_FIELD_NONE, 93 .bytesperline = 640 * 2, 94 .sizeimage = 640 * 480 * 2, 95 .colorspace = V4L2_COLORSPACE_SRGB, 96 .priv = 0}, 97 {320, 240, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE, 98 .bytesperline = 320, 99 .sizeimage = 320 * 240, 100 .colorspace = V4L2_COLORSPACE_SRGB, 101 .priv = 1}, 102 {640, 480, V4L2_PIX_FMT_SGRBG8, V4L2_FIELD_NONE, 103 .bytesperline = 640, 104 .sizeimage = 640 * 480, 105 .colorspace = V4L2_COLORSPACE_SRGB, 106 .priv = 0}, 107}; 108static const struct v4l2_pix_format ov767x_mode[] = { 109 {320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, 110 .bytesperline = 320, 111 .sizeimage = 320 * 240 * 3 / 8 + 590, 112 .colorspace = V4L2_COLORSPACE_JPEG}, 113 {640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE, 114 .bytesperline = 640, 115 .sizeimage = 640 * 480 * 3 / 8 + 590, 116 .colorspace = V4L2_COLORSPACE_JPEG}, 117}; 118 119static const u8 qvga_rates[] = {187, 150, 137, 125, 100, 75, 60, 50, 37, 30}; 120static const u8 vga_rates[] = {60, 50, 40, 30, 15}; 121 122static const struct framerates ov772x_framerates[] = { 123 { /* 320x240 */ 124 .rates = qvga_rates, 125 .nrates = ARRAY_SIZE(qvga_rates), 126 }, 127 { /* 640x480 */ 128 .rates = vga_rates, 129 .nrates = ARRAY_SIZE(vga_rates), 130 }, 131 { /* 320x240 SGBRG8 */ 132 .rates = qvga_rates, 133 .nrates = ARRAY_SIZE(qvga_rates), 134 }, 135 { /* 640x480 SGBRG8 */ 136 .rates = vga_rates, 137 .nrates = ARRAY_SIZE(vga_rates), 138 }, 139}; 140 141struct reg_array { 142 const u8 (*val)[2]; 143 int len; 144}; 145 146static const u8 bridge_init_767x[][2] = { 147/* comments from the ms-win file apollo7670.set */ 148/* str1 */ 149 {0xf1, 0x42}, 150 {0x88, 0xf8}, 151 {0x89, 0xff}, 152 {0x76, 0x03}, 153 {0x92, 0x03}, 154 {0x95, 0x10}, 155 {0xe2, 0x00}, 156 {0xe7, 0x3e}, 157 {0x8d, 0x1c}, 158 {0x8e, 0x00}, 159 {0x8f, 0x00}, 160 {0x1f, 0x00}, 161 {0xc3, 0xf9}, 162 {0x89, 0xff}, 163 {0x88, 0xf8}, 164 {0x76, 0x03}, 165 {0x92, 0x01}, 166 {0x93, 0x18}, 167 {0x1c, 0x00}, 168 {0x1d, 0x48}, 169 {0x1d, 0x00}, 170 {0x1d, 0xff}, 171 {0x1d, 0x02}, 172 {0x1d, 0x58}, 173 {0x1d, 0x00}, 174 {0x1c, 0x0a}, 175 {0x1d, 0x0a}, 176 {0x1d, 0x0e}, 177 {0xc0, 0x50}, /* HSize 640 */ 178 {0xc1, 0x3c}, /* VSize 480 */ 179 {0x34, 0x05}, /* enable Audio Suspend mode */ 180 {0xc2, 0x0c}, /* Input YUV */ 181 {0xc3, 0xf9}, /* enable PRE */ 182 {0x34, 0x05}, /* enable Audio Suspend mode */ 183 {0xe7, 0x2e}, /* this solves failure of "SuspendResumeTest" */ 184 {0x31, 0xf9}, /* enable 1.8V Suspend */ 185 {0x35, 0x02}, /* turn on JPEG */ 186 {0xd9, 0x10}, 187 {0x25, 0x42}, /* GPIO[8]:Input */ 188 {0x94, 0x11}, /* If the default setting is loaded when 189 * system boots up, this flag is closed here */ 190}; 191static const u8 sensor_init_767x[][2] = { 192 {0x12, 0x80}, 193 {0x11, 0x03}, 194 {0x3a, 0x04}, 195 {0x12, 0x00}, 196 {0x17, 0x13}, 197 {0x18, 0x01}, 198 {0x32, 0xb6}, 199 {0x19, 0x02}, 200 {0x1a, 0x7a}, 201 {0x03, 0x0a}, 202 {0x0c, 0x00}, 203 {0x3e, 0x00}, 204 {0x70, 0x3a}, 205 {0x71, 0x35}, 206 {0x72, 0x11}, 207 {0x73, 0xf0}, 208 {0xa2, 0x02}, 209 {0x7a, 0x2a}, /* set Gamma=1.6 below */ 210 {0x7b, 0x12}, 211 {0x7c, 0x1d}, 212 {0x7d, 0x2d}, 213 {0x7e, 0x45}, 214 {0x7f, 0x50}, 215 {0x80, 0x59}, 216 {0x81, 0x62}, 217 {0x82, 0x6b}, 218 {0x83, 0x73}, 219 {0x84, 0x7b}, 220 {0x85, 0x8a}, 221 {0x86, 0x98}, 222 {0x87, 0xb2}, 223 {0x88, 0xca}, 224 {0x89, 0xe0}, 225 {0x13, 0xe0}, 226 {0x00, 0x00}, 227 {0x10, 0x00}, 228 {0x0d, 0x40}, 229 {0x14, 0x38}, /* gain max 16x */ 230 {0xa5, 0x05}, 231 {0xab, 0x07}, 232 {0x24, 0x95}, 233 {0x25, 0x33}, 234 {0x26, 0xe3}, 235 {0x9f, 0x78}, 236 {0xa0, 0x68}, 237 {0xa1, 0x03}, 238 {0xa6, 0xd8}, 239 {0xa7, 0xd8}, 240 {0xa8, 0xf0}, 241 {0xa9, 0x90}, 242 {0xaa, 0x94}, 243 {0x13, 0xe5}, 244 {0x0e, 0x61}, 245 {0x0f, 0x4b}, 246 {0x16, 0x02}, 247 {0x21, 0x02}, 248 {0x22, 0x91}, 249 {0x29, 0x07}, 250 {0x33, 0x0b}, 251 {0x35, 0x0b}, 252 {0x37, 0x1d}, 253 {0x38, 0x71}, 254 {0x39, 0x2a}, 255 {0x3c, 0x78}, 256 {0x4d, 0x40}, 257 {0x4e, 0x20}, 258 {0x69, 0x00}, 259 {0x6b, 0x4a}, 260 {0x74, 0x10}, 261 {0x8d, 0x4f}, 262 {0x8e, 0x00}, 263 {0x8f, 0x00}, 264 {0x90, 0x00}, 265 {0x91, 0x00}, 266 {0x96, 0x00}, 267 {0x9a, 0x80}, 268 {0xb0, 0x84}, 269 {0xb1, 0x0c}, 270 {0xb2, 0x0e}, 271 {0xb3, 0x82}, 272 {0xb8, 0x0a}, 273 {0x43, 0x0a}, 274 {0x44, 0xf0}, 275 {0x45, 0x34}, 276 {0x46, 0x58}, 277 {0x47, 0x28}, 278 {0x48, 0x3a}, 279 {0x59, 0x88}, 280 {0x5a, 0x88}, 281 {0x5b, 0x44}, 282 {0x5c, 0x67}, 283 {0x5d, 0x49}, 284 {0x5e, 0x0e}, 285 {0x6c, 0x0a}, 286 {0x6d, 0x55}, 287 {0x6e, 0x11}, 288 {0x6f, 0x9f}, 289 {0x6a, 0x40}, 290 {0x01, 0x40}, 291 {0x02, 0x40}, 292 {0x13, 0xe7}, 293 {0x4f, 0x80}, 294 {0x50, 0x80}, 295 {0x51, 0x00}, 296 {0x52, 0x22}, 297 {0x53, 0x5e}, 298 {0x54, 0x80}, 299 {0x58, 0x9e}, 300 {0x41, 0x08}, 301 {0x3f, 0x00}, 302 {0x75, 0x04}, 303 {0x76, 0xe1}, 304 {0x4c, 0x00}, 305 {0x77, 0x01}, 306 {0x3d, 0xc2}, 307 {0x4b, 0x09}, 308 {0xc9, 0x60}, 309 {0x41, 0x38}, /* jfm: auto sharpness + auto de-noise */ 310 {0x56, 0x40}, 311 {0x34, 0x11}, 312 {0x3b, 0xc2}, 313 {0xa4, 0x8a}, /* Night mode trigger point */ 314 {0x96, 0x00}, 315 {0x97, 0x30}, 316 {0x98, 0x20}, 317 {0x99, 0x20}, 318 {0x9a, 0x84}, 319 {0x9b, 0x29}, 320 {0x9c, 0x03}, 321 {0x9d, 0x4c}, 322 {0x9e, 0x3f}, 323 {0x78, 0x04}, 324 {0x79, 0x01}, 325 {0xc8, 0xf0}, 326 {0x79, 0x0f}, 327 {0xc8, 0x00}, 328 {0x79, 0x10}, 329 {0xc8, 0x7e}, 330 {0x79, 0x0a}, 331 {0xc8, 0x80}, 332 {0x79, 0x0b}, 333 {0xc8, 0x01}, 334 {0x79, 0x0c}, 335 {0xc8, 0x0f}, 336 {0x79, 0x0d}, 337 {0xc8, 0x20}, 338 {0x79, 0x09}, 339 {0xc8, 0x80}, 340 {0x79, 0x02}, 341 {0xc8, 0xc0}, 342 {0x79, 0x03}, 343 {0xc8, 0x20}, 344 {0x79, 0x26}, 345}; 346static const u8 bridge_start_vga_767x[][2] = { 347/* str59 JPG */ 348 {0x94, 0xaa}, 349 {0xf1, 0x42}, 350 {0xe5, 0x04}, 351 {0xc0, 0x50}, 352 {0xc1, 0x3c}, 353 {0xc2, 0x0c}, 354 {0x35, 0x02}, /* turn on JPEG */ 355 {0xd9, 0x10}, 356 {0xda, 0x00}, /* for higher clock rate(30fps) */ 357 {0x34, 0x05}, /* enable Audio Suspend mode */ 358 {0xc3, 0xf9}, /* enable PRE */ 359 {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ 360 {0x8d, 0x1c}, /* output YUV */ 361/* {0x34, 0x05}, * enable Audio Suspend mode (?) */ 362 {0x50, 0x00}, /* H/V divider=0 */ 363 {0x51, 0xa0}, /* input H=640/4 */ 364 {0x52, 0x3c}, /* input V=480/4 */ 365 {0x53, 0x00}, /* offset X=0 */ 366 {0x54, 0x00}, /* offset Y=0 */ 367 {0x55, 0x00}, /* H/V size[8]=0 */ 368 {0x57, 0x00}, /* H-size[9]=0 */ 369 {0x5c, 0x00}, /* output size[9:8]=0 */ 370 {0x5a, 0xa0}, /* output H=640/4 */ 371 {0x5b, 0x78}, /* output V=480/4 */ 372 {0x1c, 0x0a}, 373 {0x1d, 0x0a}, 374 {0x94, 0x11}, 375}; 376static const u8 sensor_start_vga_767x[][2] = { 377 {0x11, 0x01}, 378 {0x1e, 0x04}, 379 {0x19, 0x02}, 380 {0x1a, 0x7a}, 381}; 382static const u8 bridge_start_qvga_767x[][2] = { 383/* str86 JPG */ 384 {0x94, 0xaa}, 385 {0xf1, 0x42}, 386 {0xe5, 0x04}, 387 {0xc0, 0x80}, 388 {0xc1, 0x60}, 389 {0xc2, 0x0c}, 390 {0x35, 0x02}, /* turn on JPEG */ 391 {0xd9, 0x10}, 392 {0xc0, 0x50}, /* CIF HSize 640 */ 393 {0xc1, 0x3c}, /* CIF VSize 480 */ 394 {0x8c, 0x00}, /* CIF VSize LSB[2:0] */ 395 {0x8d, 0x1c}, /* output YUV */ 396 {0x34, 0x05}, /* enable Audio Suspend mode */ 397 {0xc2, 0x4c}, /* output YUV and Enable DCW */ 398 {0xc3, 0xf9}, /* enable PRE */ 399 {0x1c, 0x00}, /* indirect addressing */ 400 {0x1d, 0x48}, /* output YUV422 */ 401 {0x50, 0x89}, /* H/V divider=/2; plus DCW AVG */ 402 {0x51, 0xa0}, /* DCW input H=640/4 */ 403 {0x52, 0x78}, /* DCW input V=480/4 */ 404 {0x53, 0x00}, /* offset X=0 */ 405 {0x54, 0x00}, /* offset Y=0 */ 406 {0x55, 0x00}, /* H/V size[8]=0 */ 407 {0x57, 0x00}, /* H-size[9]=0 */ 408 {0x5c, 0x00}, /* DCW output size[9:8]=0 */ 409 {0x5a, 0x50}, /* DCW output H=320/4 */ 410 {0x5b, 0x3c}, /* DCW output V=240/4 */ 411 {0x1c, 0x0a}, 412 {0x1d, 0x0a}, 413 {0x94, 0x11}, 414}; 415static const u8 sensor_start_qvga_767x[][2] = { 416 {0x11, 0x01}, 417 {0x1e, 0x04}, 418 {0x19, 0x02}, 419 {0x1a, 0x7a}, 420}; 421 422static const u8 bridge_init_772x[][2] = { 423 { 0x88, 0xf8 }, 424 { 0x89, 0xff }, 425 { 0x76, 0x03 }, 426 { 0x92, 0x01 }, 427 { 0x93, 0x18 }, 428 { 0x94, 0x10 }, 429 { 0x95, 0x10 }, 430 { 0xe2, 0x00 }, 431 { 0xe7, 0x3e }, 432 433 { 0x96, 0x00 }, 434 435 { 0x97, 0x20 }, 436 { 0x97, 0x20 }, 437 { 0x97, 0x20 }, 438 { 0x97, 0x0a }, 439 { 0x97, 0x3f }, 440 { 0x97, 0x4a }, 441 { 0x97, 0x20 }, 442 { 0x97, 0x15 }, 443 { 0x97, 0x0b }, 444 445 { 0x8e, 0x40 }, 446 { 0x1f, 0x81 }, 447 { 0x34, 0x05 }, 448 { 0xe3, 0x04 }, 449 { 0x89, 0x00 }, 450 { 0x76, 0x00 }, 451 { 0xe7, 0x2e }, 452 { 0x31, 0xf9 }, 453 { 0x25, 0x42 }, 454 { 0x21, 0xf0 }, 455 456 { 0x1c, 0x0a }, 457 { 0x1d, 0x08 }, /* turn on UVC header */ 458 { 0x1d, 0x0e }, /* .. */ 459}; 460static const u8 sensor_init_772x[][2] = { 461 { 0x12, 0x80 }, 462 { 0x11, 0x01 }, 463/*fixme: better have a delay?*/ 464 { 0x11, 0x01 }, 465 { 0x11, 0x01 }, 466 { 0x11, 0x01 }, 467 { 0x11, 0x01 }, 468 { 0x11, 0x01 }, 469 { 0x11, 0x01 }, 470 { 0x11, 0x01 }, 471 { 0x11, 0x01 }, 472 { 0x11, 0x01 }, 473 { 0x11, 0x01 }, 474 475 { 0x3d, 0x03 }, 476 { 0x17, 0x26 }, 477 { 0x18, 0xa0 }, 478 { 0x19, 0x07 }, 479 { 0x1a, 0xf0 }, 480 { 0x32, 0x00 }, 481 { 0x29, 0xa0 }, 482 { 0x2c, 0xf0 }, 483 { 0x65, 0x20 }, 484 { 0x11, 0x01 }, 485 { 0x42, 0x7f }, 486 { 0x63, 0xaa }, /* AWB - was e0 */ 487 { 0x64, 0xff }, 488 { 0x66, 0x00 }, 489 { 0x13, 0xf0 }, /* com8 */ 490 { 0x0d, 0x41 }, 491 { 0x0f, 0xc5 }, 492 { 0x14, 0x11 }, 493 494 { 0x22, 0x7f }, 495 { 0x23, 0x03 }, 496 { 0x24, 0x40 }, 497 { 0x25, 0x30 }, 498 { 0x26, 0xa1 }, 499 { 0x2a, 0x00 }, 500 { 0x2b, 0x00 }, 501 { 0x6b, 0xaa }, 502 { 0x13, 0xff }, /* AWB */ 503 504 { 0x90, 0x05 }, 505 { 0x91, 0x01 }, 506 { 0x92, 0x03 }, 507 { 0x93, 0x00 }, 508 { 0x94, 0x60 }, 509 { 0x95, 0x3c }, 510 { 0x96, 0x24 }, 511 { 0x97, 0x1e }, 512 { 0x98, 0x62 }, 513 { 0x99, 0x80 }, 514 { 0x9a, 0x1e }, 515 { 0x9b, 0x08 }, 516 { 0x9c, 0x20 }, 517 { 0x9e, 0x81 }, 518 519 { 0xa6, 0x07 }, 520 { 0x7e, 0x0c }, 521 { 0x7f, 0x16 }, 522 { 0x80, 0x2a }, 523 { 0x81, 0x4e }, 524 { 0x82, 0x61 }, 525 { 0x83, 0x6f }, 526 { 0x84, 0x7b }, 527 { 0x85, 0x86 }, 528 { 0x86, 0x8e }, 529 { 0x87, 0x97 }, 530 { 0x88, 0xa4 }, 531 { 0x89, 0xaf }, 532 { 0x8a, 0xc5 }, 533 { 0x8b, 0xd7 }, 534 { 0x8c, 0xe8 }, 535 { 0x8d, 0x20 }, 536 537 { 0x2b, 0x00 }, 538 { 0x22, 0x7f }, 539 { 0x23, 0x03 }, 540 { 0x11, 0x01 }, 541 { 0x64, 0xff }, 542 { 0x0d, 0x41 }, 543 544 { 0x14, 0x41 }, 545 { 0x0e, 0xcd }, 546 { 0xac, 0xbf }, 547 { 0x8e, 0x00 }, /* De-noise threshold */ 548}; 549static const u8 bridge_start_vga_yuyv_772x[][2] = { 550 {0x88, 0x00}, 551 {0x1c, 0x00}, 552 {0x1d, 0x40}, 553 {0x1d, 0x02}, 554 {0x1d, 0x00}, 555 {0x1d, 0x02}, 556 {0x1d, 0x58}, 557 {0x1d, 0x00}, 558 {0x8d, 0x1c}, 559 {0x8e, 0x80}, 560 {0xc0, 0x50}, 561 {0xc1, 0x3c}, 562 {0xc2, 0x0c}, 563 {0xc3, 0x69}, 564}; 565static const u8 sensor_start_vga_yuyv_772x[][2] = { 566 {0x12, 0x00}, 567 {0x17, 0x26}, 568 {0x18, 0xa0}, 569 {0x19, 0x07}, 570 {0x1a, 0xf0}, 571 {0x29, 0xa0}, 572 {0x2c, 0xf0}, 573 {0x65, 0x20}, 574 {0x67, 0x00}, 575}; 576static const u8 bridge_start_qvga_yuyv_772x[][2] = { 577 {0x88, 0x00}, 578 {0x1c, 0x00}, 579 {0x1d, 0x40}, 580 {0x1d, 0x02}, 581 {0x1d, 0x00}, 582 {0x1d, 0x01}, 583 {0x1d, 0x4b}, 584 {0x1d, 0x00}, 585 {0x8d, 0x1c}, 586 {0x8e, 0x80}, 587 {0xc0, 0x28}, 588 {0xc1, 0x1e}, 589 {0xc2, 0x0c}, 590 {0xc3, 0x69}, 591}; 592static const u8 sensor_start_qvga_yuyv_772x[][2] = { 593 {0x12, 0x40}, 594 {0x17, 0x3f}, 595 {0x18, 0x50}, 596 {0x19, 0x03}, 597 {0x1a, 0x78}, 598 {0x29, 0x50}, 599 {0x2c, 0x78}, 600 {0x65, 0x2f}, 601 {0x67, 0x00}, 602}; 603static const u8 bridge_start_vga_gbrg_772x[][2] = { 604 {0x88, 0x08}, 605 {0x1c, 0x00}, 606 {0x1d, 0x00}, 607 {0x1d, 0x02}, 608 {0x1d, 0x00}, 609 {0x1d, 0x01}, 610 {0x1d, 0x2c}, 611 {0x1d, 0x00}, 612 {0x8d, 0x00}, 613 {0x8e, 0x00}, 614 {0xc0, 0x50}, 615 {0xc1, 0x3c}, 616 {0xc2, 0x01}, 617 {0xc3, 0x01}, 618}; 619static const u8 sensor_start_vga_gbrg_772x[][2] = { 620 {0x12, 0x01}, 621 {0x17, 0x26}, 622 {0x18, 0xa0}, 623 {0x19, 0x07}, 624 {0x1a, 0xf0}, 625 {0x29, 0xa0}, 626 {0x2c, 0xf0}, 627 {0x65, 0x20}, 628 {0x67, 0x02}, 629}; 630static const u8 bridge_start_qvga_gbrg_772x[][2] = { 631 {0x88, 0x08}, 632 {0x1c, 0x00}, 633 {0x1d, 0x00}, 634 {0x1d, 0x02}, 635 {0x1d, 0x00}, 636 {0x1d, 0x00}, 637 {0x1d, 0x4b}, 638 {0x1d, 0x00}, 639 {0x8d, 0x00}, 640 {0x8e, 0x00}, 641 {0xc0, 0x28}, 642 {0xc1, 0x1e}, 643 {0xc2, 0x01}, 644 {0xc3, 0x01}, 645}; 646static const u8 sensor_start_qvga_gbrg_772x[][2] = { 647 {0x12, 0x41}, 648 {0x17, 0x3f}, 649 {0x18, 0x50}, 650 {0x19, 0x03}, 651 {0x1a, 0x78}, 652 {0x29, 0x50}, 653 {0x2c, 0x78}, 654 {0x65, 0x2f}, 655 {0x67, 0x02}, 656}; 657 658static void ov534_reg_write(struct gspca_dev *gspca_dev, u16 reg, u8 val) 659{ 660 struct usb_device *udev = gspca_dev->dev; 661 int ret; 662 663 if (gspca_dev->usb_err < 0) 664 return; 665 666 gspca_dbg(gspca_dev, D_USBO, "SET 01 0000 %04x %02x\n", reg, val); 667 gspca_dev->usb_buf[0] = val; 668 ret = usb_control_msg(udev, 669 usb_sndctrlpipe(udev, 0), 670 0x01, 671 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 672 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); 673 if (ret < 0) { 674 pr_err("write failed %d\n", ret); 675 gspca_dev->usb_err = ret; 676 } 677} 678 679static u8 ov534_reg_read(struct gspca_dev *gspca_dev, u16 reg) 680{ 681 struct usb_device *udev = gspca_dev->dev; 682 int ret; 683 684 if (gspca_dev->usb_err < 0) 685 return 0; 686 ret = usb_control_msg(udev, 687 usb_rcvctrlpipe(udev, 0), 688 0x01, 689 USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, 690 0x00, reg, gspca_dev->usb_buf, 1, CTRL_TIMEOUT); 691 gspca_dbg(gspca_dev, D_USBI, "GET 01 0000 %04x %02x\n", 692 reg, gspca_dev->usb_buf[0]); 693 if (ret < 0) { 694 pr_err("read failed %d\n", ret); 695 gspca_dev->usb_err = ret; 696 /* 697 * Make sure the result is zeroed to avoid uninitialized 698 * values. 699 */ 700 gspca_dev->usb_buf[0] = 0; 701 } 702 return gspca_dev->usb_buf[0]; 703} 704 705/* Two bits control LED: 0x21 bit 7 and 0x23 bit 7. 706 * (direction and output)? */ 707static void ov534_set_led(struct gspca_dev *gspca_dev, int status) 708{ 709 u8 data; 710 711 gspca_dbg(gspca_dev, D_CONF, "led status: %d\n", status); 712 713 data = ov534_reg_read(gspca_dev, 0x21); 714 data |= 0x80; 715 ov534_reg_write(gspca_dev, 0x21, data); 716 717 data = ov534_reg_read(gspca_dev, 0x23); 718 if (status) 719 data |= 0x80; 720 else 721 data &= ~0x80; 722 723 ov534_reg_write(gspca_dev, 0x23, data); 724 725 if (!status) { 726 data = ov534_reg_read(gspca_dev, 0x21); 727 data &= ~0x80; 728 ov534_reg_write(gspca_dev, 0x21, data); 729 } 730} 731 732static int sccb_check_status(struct gspca_dev *gspca_dev) 733{ 734 u8 data; 735 int i; 736 737 for (i = 0; i < 5; i++) { 738 usleep_range(10000, 20000); 739 data = ov534_reg_read(gspca_dev, OV534_REG_STATUS); 740 741 switch (data) { 742 case 0x00: 743 return 1; 744 case 0x04: 745 return 0; 746 case 0x03: 747 break; 748 default: 749 gspca_err(gspca_dev, "sccb status 0x%02x, attempt %d/5\n", 750 data, i + 1); 751 } 752 } 753 return 0; 754} 755 756static void sccb_reg_write(struct gspca_dev *gspca_dev, u8 reg, u8 val) 757{ 758 gspca_dbg(gspca_dev, D_USBO, "sccb write: %02x %02x\n", reg, val); 759 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); 760 ov534_reg_write(gspca_dev, OV534_REG_WRITE, val); 761 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_3); 762 763 if (!sccb_check_status(gspca_dev)) { 764 pr_err("sccb_reg_write failed\n"); 765 gspca_dev->usb_err = -EIO; 766 } 767} 768 769static u8 sccb_reg_read(struct gspca_dev *gspca_dev, u16 reg) 770{ 771 ov534_reg_write(gspca_dev, OV534_REG_SUBADDR, reg); 772 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_WRITE_2); 773 if (!sccb_check_status(gspca_dev)) 774 pr_err("sccb_reg_read failed 1\n"); 775 776 ov534_reg_write(gspca_dev, OV534_REG_OPERATION, OV534_OP_READ_2); 777 if (!sccb_check_status(gspca_dev)) 778 pr_err("sccb_reg_read failed 2\n"); 779 780 return ov534_reg_read(gspca_dev, OV534_REG_READ); 781} 782 783/* output a bridge sequence (reg - val) */ 784static void reg_w_array(struct gspca_dev *gspca_dev, 785 const u8 (*data)[2], int len) 786{ 787 while (--len >= 0) { 788 ov534_reg_write(gspca_dev, (*data)[0], (*data)[1]); 789 data++; 790 } 791} 792 793/* output a sensor sequence (reg - val) */ 794static void sccb_w_array(struct gspca_dev *gspca_dev, 795 const u8 (*data)[2], int len) 796{ 797 while (--len >= 0) { 798 if ((*data)[0] != 0xff) { 799 sccb_reg_write(gspca_dev, (*data)[0], (*data)[1]); 800 } else { 801 sccb_reg_read(gspca_dev, (*data)[1]); 802 sccb_reg_write(gspca_dev, 0xff, 0x00); 803 } 804 data++; 805 } 806} 807 808/* ov772x specific controls */ 809static void set_frame_rate(struct gspca_dev *gspca_dev) 810{ 811 struct sd *sd = (struct sd *) gspca_dev; 812 int i; 813 struct rate_s { 814 u8 fps; 815 u8 r11; 816 u8 r0d; 817 u8 re5; 818 }; 819 const struct rate_s *r; 820 static const struct rate_s rate_0[] = { /* 640x480 */ 821 {60, 0x01, 0xc1, 0x04}, 822 {50, 0x01, 0x41, 0x02}, 823 {40, 0x02, 0xc1, 0x04}, 824 {30, 0x04, 0x81, 0x02}, 825 {15, 0x03, 0x41, 0x04}, 826 }; 827 static const struct rate_s rate_1[] = { /* 320x240 */ 828/* {205, 0x01, 0xc1, 0x02}, * 205 FPS: video is partly corrupt */ 829 {187, 0x01, 0x81, 0x02}, /* 187 FPS or below: video is valid */ 830 {150, 0x01, 0xc1, 0x04}, 831 {137, 0x02, 0xc1, 0x02}, 832 {125, 0x02, 0x81, 0x02}, 833 {100, 0x02, 0xc1, 0x04}, 834 {75, 0x03, 0xc1, 0x04}, 835 {60, 0x04, 0xc1, 0x04}, 836 {50, 0x02, 0x41, 0x04}, 837 {37, 0x03, 0x41, 0x04}, 838 {30, 0x04, 0x41, 0x04}, 839 }; 840 841 if (sd->sensor != SENSOR_OV772x) 842 return; 843 if (gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv == 0) { 844 r = rate_0; 845 i = ARRAY_SIZE(rate_0); 846 } else { 847 r = rate_1; 848 i = ARRAY_SIZE(rate_1); 849 } 850 while (--i >= 0) { 851 if (sd->frame_rate >= r->fps) 852 break; 853 r++; 854 } 855 856 sccb_reg_write(gspca_dev, 0x11, r->r11); 857 sccb_reg_write(gspca_dev, 0x0d, r->r0d); 858 ov534_reg_write(gspca_dev, 0xe5, r->re5); 859 860 gspca_dbg(gspca_dev, D_PROBE, "frame_rate: %d\n", r->fps); 861} 862 863static void sethue(struct gspca_dev *gspca_dev, s32 val) 864{ 865 struct sd *sd = (struct sd *) gspca_dev; 866 867 if (sd->sensor == SENSOR_OV767x) { 868 /* TBD */ 869 } else { 870 s16 huesin; 871 s16 huecos; 872 873 /* According to the datasheet the registers expect HUESIN and 874 * HUECOS to be the result of the trigonometric functions, 875 * scaled by 0x80. 876 * 877 * The 0x7fff here represents the maximum absolute value 878 * returned byt fixp_sin and fixp_cos, so the scaling will 879 * consider the result like in the interval [-1.0, 1.0]. 880 */ 881 huesin = fixp_sin16(val) * 0x80 / 0x7fff; 882 huecos = fixp_cos16(val) * 0x80 / 0x7fff; 883 884 if (huesin < 0) { 885 sccb_reg_write(gspca_dev, 0xab, 886 sccb_reg_read(gspca_dev, 0xab) | 0x2); 887 huesin = -huesin; 888 } else { 889 sccb_reg_write(gspca_dev, 0xab, 890 sccb_reg_read(gspca_dev, 0xab) & ~0x2); 891 892 } 893 sccb_reg_write(gspca_dev, 0xa9, (u8)huecos); 894 sccb_reg_write(gspca_dev, 0xaa, (u8)huesin); 895 } 896} 897 898static void setsaturation(struct gspca_dev *gspca_dev, s32 val) 899{ 900 struct sd *sd = (struct sd *) gspca_dev; 901 902 if (sd->sensor == SENSOR_OV767x) { 903 int i; 904 static u8 color_tb[][6] = { 905 {0x42, 0x42, 0x00, 0x11, 0x30, 0x41}, 906 {0x52, 0x52, 0x00, 0x16, 0x3c, 0x52}, 907 {0x66, 0x66, 0x00, 0x1b, 0x4b, 0x66}, 908 {0x80, 0x80, 0x00, 0x22, 0x5e, 0x80}, 909 {0x9a, 0x9a, 0x00, 0x29, 0x71, 0x9a}, 910 {0xb8, 0xb8, 0x00, 0x31, 0x87, 0xb8}, 911 {0xdd, 0xdd, 0x00, 0x3b, 0xa2, 0xdd}, 912 }; 913 914 for (i = 0; i < ARRAY_SIZE(color_tb[0]); i++) 915 sccb_reg_write(gspca_dev, 0x4f + i, color_tb[val][i]); 916 } else { 917 sccb_reg_write(gspca_dev, 0xa7, val); /* U saturation */ 918 sccb_reg_write(gspca_dev, 0xa8, val); /* V saturation */ 919 } 920} 921 922static void setbrightness(struct gspca_dev *gspca_dev, s32 val) 923{ 924 struct sd *sd = (struct sd *) gspca_dev; 925 926 if (sd->sensor == SENSOR_OV767x) { 927 if (val < 0) 928 val = 0x80 - val; 929 sccb_reg_write(gspca_dev, 0x55, val); /* bright */ 930 } else { 931 sccb_reg_write(gspca_dev, 0x9b, val); 932 } 933} 934 935static void setcontrast(struct gspca_dev *gspca_dev, s32 val) 936{ 937 struct sd *sd = (struct sd *) gspca_dev; 938 939 if (sd->sensor == SENSOR_OV767x) 940 sccb_reg_write(gspca_dev, 0x56, val); /* contras */ 941 else 942 sccb_reg_write(gspca_dev, 0x9c, val); 943} 944 945static void setgain(struct gspca_dev *gspca_dev, s32 val) 946{ 947 switch (val & 0x30) { 948 case 0x00: 949 val &= 0x0f; 950 break; 951 case 0x10: 952 val &= 0x0f; 953 val |= 0x30; 954 break; 955 case 0x20: 956 val &= 0x0f; 957 val |= 0x70; 958 break; 959 default: 960/* case 0x30: */ 961 val &= 0x0f; 962 val |= 0xf0; 963 break; 964 } 965 sccb_reg_write(gspca_dev, 0x00, val); 966} 967 968static s32 getgain(struct gspca_dev *gspca_dev) 969{ 970 return sccb_reg_read(gspca_dev, 0x00); 971} 972 973static void setexposure(struct gspca_dev *gspca_dev, s32 val) 974{ 975 struct sd *sd = (struct sd *) gspca_dev; 976 977 if (sd->sensor == SENSOR_OV767x) { 978 979 /* set only aec[9:2] */ 980 sccb_reg_write(gspca_dev, 0x10, val); /* aech */ 981 } else { 982 983 /* 'val' is one byte and represents half of the exposure value 984 * we are going to set into registers, a two bytes value: 985 * 986 * MSB: ((u16) val << 1) >> 8 == val >> 7 987 * LSB: ((u16) val << 1) & 0xff == val << 1 988 */ 989 sccb_reg_write(gspca_dev, 0x08, val >> 7); 990 sccb_reg_write(gspca_dev, 0x10, val << 1); 991 } 992} 993 994static s32 getexposure(struct gspca_dev *gspca_dev) 995{ 996 struct sd *sd = (struct sd *) gspca_dev; 997 998 if (sd->sensor == SENSOR_OV767x) { 999 /* get only aec[9:2] */ 1000 return sccb_reg_read(gspca_dev, 0x10); /* aech */ 1001 } else { 1002 u8 hi = sccb_reg_read(gspca_dev, 0x08); 1003 u8 lo = sccb_reg_read(gspca_dev, 0x10); 1004 return (hi << 8 | lo) >> 1; 1005 } 1006} 1007 1008static void setagc(struct gspca_dev *gspca_dev, s32 val) 1009{ 1010 if (val) { 1011 sccb_reg_write(gspca_dev, 0x13, 1012 sccb_reg_read(gspca_dev, 0x13) | 0x04); 1013 sccb_reg_write(gspca_dev, 0x64, 1014 sccb_reg_read(gspca_dev, 0x64) | 0x03); 1015 } else { 1016 sccb_reg_write(gspca_dev, 0x13, 1017 sccb_reg_read(gspca_dev, 0x13) & ~0x04); 1018 sccb_reg_write(gspca_dev, 0x64, 1019 sccb_reg_read(gspca_dev, 0x64) & ~0x03); 1020 } 1021} 1022 1023static void setawb(struct gspca_dev *gspca_dev, s32 val) 1024{ 1025 struct sd *sd = (struct sd *) gspca_dev; 1026 1027 if (val) { 1028 sccb_reg_write(gspca_dev, 0x13, 1029 sccb_reg_read(gspca_dev, 0x13) | 0x02); 1030 if (sd->sensor == SENSOR_OV772x) 1031 sccb_reg_write(gspca_dev, 0x63, 1032 sccb_reg_read(gspca_dev, 0x63) | 0xc0); 1033 } else { 1034 sccb_reg_write(gspca_dev, 0x13, 1035 sccb_reg_read(gspca_dev, 0x13) & ~0x02); 1036 if (sd->sensor == SENSOR_OV772x) 1037 sccb_reg_write(gspca_dev, 0x63, 1038 sccb_reg_read(gspca_dev, 0x63) & ~0xc0); 1039 } 1040} 1041 1042static void setaec(struct gspca_dev *gspca_dev, s32 val) 1043{ 1044 struct sd *sd = (struct sd *) gspca_dev; 1045 u8 data; 1046 1047 data = sd->sensor == SENSOR_OV767x ? 1048 0x05 : /* agc + aec */ 1049 0x01; /* agc */ 1050 switch (val) { 1051 case V4L2_EXPOSURE_AUTO: 1052 sccb_reg_write(gspca_dev, 0x13, 1053 sccb_reg_read(gspca_dev, 0x13) | data); 1054 break; 1055 case V4L2_EXPOSURE_MANUAL: 1056 sccb_reg_write(gspca_dev, 0x13, 1057 sccb_reg_read(gspca_dev, 0x13) & ~data); 1058 break; 1059 } 1060} 1061 1062static void setsharpness(struct gspca_dev *gspca_dev, s32 val) 1063{ 1064 sccb_reg_write(gspca_dev, 0x91, val); /* Auto de-noise threshold */ 1065 sccb_reg_write(gspca_dev, 0x8e, val); /* De-noise threshold */ 1066} 1067 1068static void sethvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip) 1069{ 1070 struct sd *sd = (struct sd *) gspca_dev; 1071 u8 val; 1072 1073 if (sd->sensor == SENSOR_OV767x) { 1074 val = sccb_reg_read(gspca_dev, 0x1e); /* mvfp */ 1075 val &= ~0x30; 1076 if (hflip) 1077 val |= 0x20; 1078 if (vflip) 1079 val |= 0x10; 1080 sccb_reg_write(gspca_dev, 0x1e, val); 1081 } else { 1082 val = sccb_reg_read(gspca_dev, 0x0c); 1083 val &= ~0xc0; 1084 if (hflip == 0) 1085 val |= 0x40; 1086 if (vflip == 0) 1087 val |= 0x80; 1088 sccb_reg_write(gspca_dev, 0x0c, val); 1089 } 1090} 1091 1092static void setlightfreq(struct gspca_dev *gspca_dev, s32 val) 1093{ 1094 struct sd *sd = (struct sd *) gspca_dev; 1095 1096 val = val ? 0x9e : 0x00; 1097 if (sd->sensor == SENSOR_OV767x) { 1098 sccb_reg_write(gspca_dev, 0x2a, 0x00); 1099 if (val) 1100 val = 0x9d; /* insert dummy to 25fps for 50Hz */ 1101 } 1102 sccb_reg_write(gspca_dev, 0x2b, val); 1103} 1104 1105 1106/* this function is called at probe time */ 1107static int sd_config(struct gspca_dev *gspca_dev, 1108 const struct usb_device_id *id) 1109{ 1110 struct sd *sd = (struct sd *) gspca_dev; 1111 struct cam *cam; 1112 1113 cam = &gspca_dev->cam; 1114 1115 cam->cam_mode = ov772x_mode; 1116 cam->nmodes = ARRAY_SIZE(ov772x_mode); 1117 1118 sd->frame_rate = DEFAULT_FRAME_RATE; 1119 1120 return 0; 1121} 1122 1123static int ov534_g_volatile_ctrl(struct v4l2_ctrl *ctrl) 1124{ 1125 struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); 1126 struct gspca_dev *gspca_dev = &sd->gspca_dev; 1127 1128 switch (ctrl->id) { 1129 case V4L2_CID_AUTOGAIN: 1130 gspca_dev->usb_err = 0; 1131 if (ctrl->val && sd->gain && gspca_dev->streaming) 1132 sd->gain->val = getgain(gspca_dev); 1133 return gspca_dev->usb_err; 1134 1135 case V4L2_CID_EXPOSURE_AUTO: 1136 gspca_dev->usb_err = 0; 1137 if (ctrl->val == V4L2_EXPOSURE_AUTO && sd->exposure && 1138 gspca_dev->streaming) 1139 sd->exposure->val = getexposure(gspca_dev); 1140 return gspca_dev->usb_err; 1141 } 1142 return -EINVAL; 1143} 1144 1145static int ov534_s_ctrl(struct v4l2_ctrl *ctrl) 1146{ 1147 struct sd *sd = container_of(ctrl->handler, struct sd, ctrl_handler); 1148 struct gspca_dev *gspca_dev = &sd->gspca_dev; 1149 1150 gspca_dev->usb_err = 0; 1151 if (!gspca_dev->streaming) 1152 return 0; 1153 1154 switch (ctrl->id) { 1155 case V4L2_CID_HUE: 1156 sethue(gspca_dev, ctrl->val); 1157 break; 1158 case V4L2_CID_SATURATION: 1159 setsaturation(gspca_dev, ctrl->val); 1160 break; 1161 case V4L2_CID_BRIGHTNESS: 1162 setbrightness(gspca_dev, ctrl->val); 1163 break; 1164 case V4L2_CID_CONTRAST: 1165 setcontrast(gspca_dev, ctrl->val); 1166 break; 1167 case V4L2_CID_AUTOGAIN: 1168 /* case V4L2_CID_GAIN: */ 1169 setagc(gspca_dev, ctrl->val); 1170 if (!gspca_dev->usb_err && !ctrl->val && sd->gain) 1171 setgain(gspca_dev, sd->gain->val); 1172 break; 1173 case V4L2_CID_AUTO_WHITE_BALANCE: 1174 setawb(gspca_dev, ctrl->val); 1175 break; 1176 case V4L2_CID_EXPOSURE_AUTO: 1177 /* case V4L2_CID_EXPOSURE: */ 1178 setaec(gspca_dev, ctrl->val); 1179 if (!gspca_dev->usb_err && ctrl->val == V4L2_EXPOSURE_MANUAL && 1180 sd->exposure) 1181 setexposure(gspca_dev, sd->exposure->val); 1182 break; 1183 case V4L2_CID_SHARPNESS: 1184 setsharpness(gspca_dev, ctrl->val); 1185 break; 1186 case V4L2_CID_HFLIP: 1187 sethvflip(gspca_dev, ctrl->val, sd->vflip->val); 1188 break; 1189 case V4L2_CID_VFLIP: 1190 sethvflip(gspca_dev, sd->hflip->val, ctrl->val); 1191 break; 1192 case V4L2_CID_POWER_LINE_FREQUENCY: 1193 setlightfreq(gspca_dev, ctrl->val); 1194 break; 1195 } 1196 return gspca_dev->usb_err; 1197} 1198 1199static const struct v4l2_ctrl_ops ov534_ctrl_ops = { 1200 .g_volatile_ctrl = ov534_g_volatile_ctrl, 1201 .s_ctrl = ov534_s_ctrl, 1202}; 1203 1204static int sd_init_controls(struct gspca_dev *gspca_dev) 1205{ 1206 struct sd *sd = (struct sd *) gspca_dev; 1207 struct v4l2_ctrl_handler *hdl = &sd->ctrl_handler; 1208 /* parameters with different values between the supported sensors */ 1209 int saturation_min; 1210 int saturation_max; 1211 int saturation_def; 1212 int brightness_min; 1213 int brightness_max; 1214 int brightness_def; 1215 int contrast_max; 1216 int contrast_def; 1217 int exposure_min; 1218 int exposure_max; 1219 int exposure_def; 1220 int hflip_def; 1221 1222 if (sd->sensor == SENSOR_OV767x) { 1223 saturation_min = 0; 1224 saturation_max = 6; 1225 saturation_def = 3; 1226 brightness_min = -127; 1227 brightness_max = 127; 1228 brightness_def = 0; 1229 contrast_max = 0x80; 1230 contrast_def = 0x40; 1231 exposure_min = 0x08; 1232 exposure_max = 0x60; 1233 exposure_def = 0x13; 1234 hflip_def = 1; 1235 } else { 1236 saturation_min = 0; 1237 saturation_max = 255; 1238 saturation_def = 64; 1239 brightness_min = 0; 1240 brightness_max = 255; 1241 brightness_def = 0; 1242 contrast_max = 255; 1243 contrast_def = 32; 1244 exposure_min = 0; 1245 exposure_max = 255; 1246 exposure_def = 120; 1247 hflip_def = 0; 1248 } 1249 1250 gspca_dev->vdev.ctrl_handler = hdl; 1251 1252 v4l2_ctrl_handler_init(hdl, 13); 1253 1254 if (sd->sensor == SENSOR_OV772x) 1255 sd->hue = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1256 V4L2_CID_HUE, -90, 90, 1, 0); 1257 1258 sd->saturation = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1259 V4L2_CID_SATURATION, saturation_min, saturation_max, 1, 1260 saturation_def); 1261 sd->brightness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1262 V4L2_CID_BRIGHTNESS, brightness_min, brightness_max, 1, 1263 brightness_def); 1264 sd->contrast = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1265 V4L2_CID_CONTRAST, 0, contrast_max, 1, contrast_def); 1266 1267 if (sd->sensor == SENSOR_OV772x) { 1268 sd->autogain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1269 V4L2_CID_AUTOGAIN, 0, 1, 1, 1); 1270 sd->gain = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1271 V4L2_CID_GAIN, 0, 63, 1, 20); 1272 } 1273 1274 sd->autoexposure = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops, 1275 V4L2_CID_EXPOSURE_AUTO, 1276 V4L2_EXPOSURE_MANUAL, 0, 1277 V4L2_EXPOSURE_AUTO); 1278 sd->exposure = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1279 V4L2_CID_EXPOSURE, exposure_min, exposure_max, 1, 1280 exposure_def); 1281 1282 sd->autowhitebalance = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1283 V4L2_CID_AUTO_WHITE_BALANCE, 0, 1, 1, 1); 1284 1285 if (sd->sensor == SENSOR_OV772x) 1286 sd->sharpness = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1287 V4L2_CID_SHARPNESS, 0, 63, 1, 0); 1288 1289 sd->hflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1290 V4L2_CID_HFLIP, 0, 1, 1, hflip_def); 1291 sd->vflip = v4l2_ctrl_new_std(hdl, &ov534_ctrl_ops, 1292 V4L2_CID_VFLIP, 0, 1, 1, 0); 1293 sd->plfreq = v4l2_ctrl_new_std_menu(hdl, &ov534_ctrl_ops, 1294 V4L2_CID_POWER_LINE_FREQUENCY, 1295 V4L2_CID_POWER_LINE_FREQUENCY_50HZ, 0, 1296 V4L2_CID_POWER_LINE_FREQUENCY_DISABLED); 1297 1298 if (hdl->error) { 1299 pr_err("Could not initialize controls\n"); 1300 return hdl->error; 1301 } 1302 1303 if (sd->sensor == SENSOR_OV772x) 1304 v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, true); 1305 1306 v4l2_ctrl_auto_cluster(2, &sd->autoexposure, V4L2_EXPOSURE_MANUAL, 1307 true); 1308 1309 return 0; 1310} 1311 1312/* this function is called at probe and resume time */ 1313static int sd_init(struct gspca_dev *gspca_dev) 1314{ 1315 struct sd *sd = (struct sd *) gspca_dev; 1316 u16 sensor_id; 1317 static const struct reg_array bridge_init[NSENSORS] = { 1318 [SENSOR_OV767x] = {bridge_init_767x, ARRAY_SIZE(bridge_init_767x)}, 1319 [SENSOR_OV772x] = {bridge_init_772x, ARRAY_SIZE(bridge_init_772x)}, 1320 }; 1321 static const struct reg_array sensor_init[NSENSORS] = { 1322 [SENSOR_OV767x] = {sensor_init_767x, ARRAY_SIZE(sensor_init_767x)}, 1323 [SENSOR_OV772x] = {sensor_init_772x, ARRAY_SIZE(sensor_init_772x)}, 1324 }; 1325 1326 /* reset bridge */ 1327 ov534_reg_write(gspca_dev, 0xe7, 0x3a); 1328 ov534_reg_write(gspca_dev, 0xe0, 0x08); 1329 msleep(100); 1330 1331 /* initialize the sensor address */ 1332 ov534_reg_write(gspca_dev, OV534_REG_ADDRESS, 0x42); 1333 1334 /* reset sensor */ 1335 sccb_reg_write(gspca_dev, 0x12, 0x80); 1336 usleep_range(10000, 20000); 1337 1338 /* probe the sensor */ 1339 sccb_reg_read(gspca_dev, 0x0a); 1340 sensor_id = sccb_reg_read(gspca_dev, 0x0a) << 8; 1341 sccb_reg_read(gspca_dev, 0x0b); 1342 sensor_id |= sccb_reg_read(gspca_dev, 0x0b); 1343 gspca_dbg(gspca_dev, D_PROBE, "Sensor ID: %04x\n", sensor_id); 1344 1345 if ((sensor_id & 0xfff0) == 0x7670) { 1346 sd->sensor = SENSOR_OV767x; 1347 gspca_dev->cam.cam_mode = ov767x_mode; 1348 gspca_dev->cam.nmodes = ARRAY_SIZE(ov767x_mode); 1349 } else { 1350 sd->sensor = SENSOR_OV772x; 1351 gspca_dev->cam.bulk = 1; 1352 gspca_dev->cam.bulk_size = 16384; 1353 gspca_dev->cam.bulk_nurbs = 2; 1354 gspca_dev->cam.mode_framerates = ov772x_framerates; 1355 } 1356 1357 /* initialize */ 1358 reg_w_array(gspca_dev, bridge_init[sd->sensor].val, 1359 bridge_init[sd->sensor].len); 1360 ov534_set_led(gspca_dev, 1); 1361 sccb_w_array(gspca_dev, sensor_init[sd->sensor].val, 1362 sensor_init[sd->sensor].len); 1363 1364 sd_stopN(gspca_dev); 1365/* set_frame_rate(gspca_dev); */ 1366 1367 return gspca_dev->usb_err; 1368} 1369 1370static int sd_start(struct gspca_dev *gspca_dev) 1371{ 1372 struct sd *sd = (struct sd *) gspca_dev; 1373 int mode; 1374 static const struct reg_array bridge_start[NSENSORS][4] = { 1375 [SENSOR_OV767x] = {{bridge_start_qvga_767x, 1376 ARRAY_SIZE(bridge_start_qvga_767x)}, 1377 {bridge_start_vga_767x, 1378 ARRAY_SIZE(bridge_start_vga_767x)}}, 1379 [SENSOR_OV772x] = {{bridge_start_qvga_yuyv_772x, 1380 ARRAY_SIZE(bridge_start_qvga_yuyv_772x)}, 1381 {bridge_start_vga_yuyv_772x, 1382 ARRAY_SIZE(bridge_start_vga_yuyv_772x)}, 1383 {bridge_start_qvga_gbrg_772x, 1384 ARRAY_SIZE(bridge_start_qvga_gbrg_772x)}, 1385 {bridge_start_vga_gbrg_772x, 1386 ARRAY_SIZE(bridge_start_vga_gbrg_772x)} }, 1387 }; 1388 static const struct reg_array sensor_start[NSENSORS][4] = { 1389 [SENSOR_OV767x] = {{sensor_start_qvga_767x, 1390 ARRAY_SIZE(sensor_start_qvga_767x)}, 1391 {sensor_start_vga_767x, 1392 ARRAY_SIZE(sensor_start_vga_767x)}}, 1393 [SENSOR_OV772x] = {{sensor_start_qvga_yuyv_772x, 1394 ARRAY_SIZE(sensor_start_qvga_yuyv_772x)}, 1395 {sensor_start_vga_yuyv_772x, 1396 ARRAY_SIZE(sensor_start_vga_yuyv_772x)}, 1397 {sensor_start_qvga_gbrg_772x, 1398 ARRAY_SIZE(sensor_start_qvga_gbrg_772x)}, 1399 {sensor_start_vga_gbrg_772x, 1400 ARRAY_SIZE(sensor_start_vga_gbrg_772x)} }, 1401 }; 1402 1403 /* (from ms-win trace) */ 1404 if (sd->sensor == SENSOR_OV767x) 1405 sccb_reg_write(gspca_dev, 0x1e, 0x04); 1406 /* black sun enable ? */ 1407 1408 mode = gspca_dev->curr_mode; /* 0: 320x240, 1: 640x480 */ 1409 reg_w_array(gspca_dev, bridge_start[sd->sensor][mode].val, 1410 bridge_start[sd->sensor][mode].len); 1411 sccb_w_array(gspca_dev, sensor_start[sd->sensor][mode].val, 1412 sensor_start[sd->sensor][mode].len); 1413 1414 set_frame_rate(gspca_dev); 1415 1416 if (sd->hue) 1417 sethue(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue)); 1418 setsaturation(gspca_dev, v4l2_ctrl_g_ctrl(sd->saturation)); 1419 if (sd->autogain) 1420 setagc(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain)); 1421 setawb(gspca_dev, v4l2_ctrl_g_ctrl(sd->autowhitebalance)); 1422 setaec(gspca_dev, v4l2_ctrl_g_ctrl(sd->autoexposure)); 1423 if (sd->gain) 1424 setgain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain)); 1425 setexposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure)); 1426 setbrightness(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness)); 1427 setcontrast(gspca_dev, v4l2_ctrl_g_ctrl(sd->contrast)); 1428 if (sd->sharpness) 1429 setsharpness(gspca_dev, v4l2_ctrl_g_ctrl(sd->sharpness)); 1430 sethvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip), 1431 v4l2_ctrl_g_ctrl(sd->vflip)); 1432 setlightfreq(gspca_dev, v4l2_ctrl_g_ctrl(sd->plfreq)); 1433 1434 ov534_set_led(gspca_dev, 1); 1435 ov534_reg_write(gspca_dev, 0xe0, 0x00); 1436 return gspca_dev->usb_err; 1437} 1438 1439static void sd_stopN(struct gspca_dev *gspca_dev) 1440{ 1441 ov534_reg_write(gspca_dev, 0xe0, 0x09); 1442 ov534_set_led(gspca_dev, 0); 1443} 1444 1445/* Values for bmHeaderInfo (Video and Still Image Payload Headers, 2.4.3.3) */ 1446#define UVC_STREAM_EOH (1 << 7) 1447#define UVC_STREAM_ERR (1 << 6) 1448#define UVC_STREAM_STI (1 << 5) 1449#define UVC_STREAM_RES (1 << 4) 1450#define UVC_STREAM_SCR (1 << 3) 1451#define UVC_STREAM_PTS (1 << 2) 1452#define UVC_STREAM_EOF (1 << 1) 1453#define UVC_STREAM_FID (1 << 0) 1454 1455static void sd_pkt_scan(struct gspca_dev *gspca_dev, 1456 u8 *data, int len) 1457{ 1458 struct sd *sd = (struct sd *) gspca_dev; 1459 __u32 this_pts; 1460 u16 this_fid; 1461 int remaining_len = len; 1462 int payload_len; 1463 1464 payload_len = gspca_dev->cam.bulk ? 2048 : 2040; 1465 do { 1466 len = min(remaining_len, payload_len); 1467 1468 /* Payloads are prefixed with a UVC-style header. We 1469 consider a frame to start when the FID toggles, or the PTS 1470 changes. A frame ends when EOF is set, and we've received 1471 the correct number of bytes. */ 1472 1473 /* Verify UVC header. Header length is always 12 */ 1474 if (data[0] != 12 || len < 12) { 1475 gspca_dbg(gspca_dev, D_PACK, "bad header\n"); 1476 goto discard; 1477 } 1478 1479 /* Check errors */ 1480 if (data[1] & UVC_STREAM_ERR) { 1481 gspca_dbg(gspca_dev, D_PACK, "payload error\n"); 1482 goto discard; 1483 } 1484 1485 /* Extract PTS and FID */ 1486 if (!(data[1] & UVC_STREAM_PTS)) { 1487 gspca_dbg(gspca_dev, D_PACK, "PTS not present\n"); 1488 goto discard; 1489 } 1490 this_pts = (data[5] << 24) | (data[4] << 16) 1491 | (data[3] << 8) | data[2]; 1492 this_fid = (data[1] & UVC_STREAM_FID) ? 1 : 0; 1493 1494 /* If PTS or FID has changed, start a new frame. */ 1495 if (this_pts != sd->last_pts || this_fid != sd->last_fid) { 1496 if (gspca_dev->last_packet_type == INTER_PACKET) 1497 gspca_frame_add(gspca_dev, LAST_PACKET, 1498 NULL, 0); 1499 sd->last_pts = this_pts; 1500 sd->last_fid = this_fid; 1501 gspca_frame_add(gspca_dev, FIRST_PACKET, 1502 data + 12, len - 12); 1503 /* If this packet is marked as EOF, end the frame */ 1504 } else if (data[1] & UVC_STREAM_EOF) { 1505 sd->last_pts = 0; 1506 if (gspca_dev->pixfmt.pixelformat != V4L2_PIX_FMT_JPEG 1507 && gspca_dev->image_len + len - 12 != 1508 gspca_dev->pixfmt.sizeimage) { 1509 gspca_dbg(gspca_dev, D_PACK, "wrong sized frame\n"); 1510 goto discard; 1511 } 1512 gspca_frame_add(gspca_dev, LAST_PACKET, 1513 data + 12, len - 12); 1514 } else { 1515 1516 /* Add the data from this payload */ 1517 gspca_frame_add(gspca_dev, INTER_PACKET, 1518 data + 12, len - 12); 1519 } 1520 1521 /* Done this payload */ 1522 goto scan_next; 1523 1524discard: 1525 /* Discard data until a new frame starts. */ 1526 gspca_dev->last_packet_type = DISCARD_PACKET; 1527 1528scan_next: 1529 remaining_len -= len; 1530 data += len; 1531 } while (remaining_len > 0); 1532} 1533 1534/* get stream parameters (framerate) */ 1535static void sd_get_streamparm(struct gspca_dev *gspca_dev, 1536 struct v4l2_streamparm *parm) 1537{ 1538 struct v4l2_captureparm *cp = &parm->parm.capture; 1539 struct v4l2_fract *tpf = &cp->timeperframe; 1540 struct sd *sd = (struct sd *) gspca_dev; 1541 1542 tpf->numerator = 1; 1543 tpf->denominator = sd->frame_rate; 1544} 1545 1546/* set stream parameters (framerate) */ 1547static void sd_set_streamparm(struct gspca_dev *gspca_dev, 1548 struct v4l2_streamparm *parm) 1549{ 1550 struct v4l2_captureparm *cp = &parm->parm.capture; 1551 struct v4l2_fract *tpf = &cp->timeperframe; 1552 struct sd *sd = (struct sd *) gspca_dev; 1553 1554 if (tpf->numerator == 0 || tpf->denominator == 0) 1555 sd->frame_rate = DEFAULT_FRAME_RATE; 1556 else 1557 sd->frame_rate = tpf->denominator / tpf->numerator; 1558 1559 if (gspca_dev->streaming) 1560 set_frame_rate(gspca_dev); 1561 1562 /* Return the actual framerate */ 1563 tpf->numerator = 1; 1564 tpf->denominator = sd->frame_rate; 1565} 1566 1567/* sub-driver description */ 1568static const struct sd_desc sd_desc = { 1569 .name = MODULE_NAME, 1570 .config = sd_config, 1571 .init = sd_init, 1572 .init_controls = sd_init_controls, 1573 .start = sd_start, 1574 .stopN = sd_stopN, 1575 .pkt_scan = sd_pkt_scan, 1576 .get_streamparm = sd_get_streamparm, 1577 .set_streamparm = sd_set_streamparm, 1578}; 1579 1580/* -- module initialisation -- */ 1581static const struct usb_device_id device_table[] = { 1582 {USB_DEVICE(0x1415, 0x2000)}, 1583 {USB_DEVICE(0x06f8, 0x3002)}, 1584 {} 1585}; 1586 1587MODULE_DEVICE_TABLE(usb, device_table); 1588 1589/* -- device connect -- */ 1590static int sd_probe(struct usb_interface *intf, const struct usb_device_id *id) 1591{ 1592 return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), 1593 THIS_MODULE); 1594} 1595 1596static struct usb_driver sd_driver = { 1597 .name = MODULE_NAME, 1598 .id_table = device_table, 1599 .probe = sd_probe, 1600 .disconnect = gspca_disconnect, 1601#ifdef CONFIG_PM 1602 .suspend = gspca_suspend, 1603 .resume = gspca_resume, 1604 .reset_resume = gspca_resume, 1605#endif 1606}; 1607 1608module_usb_driver(sd_driver);
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