1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2017 Intel Corporation. 3 4 #include <asm/unaligned.h> 5 #include <linux/acpi.h> 6 #include <linux/clk.h> 7 #include <linux/delay.h> 8 #include <linux/gpio/consumer.h> 9 #include <linux/i2c.h> 10 #include <linux/mod_devicetable.h> 11 #include <linux/module.h> 12 #include <linux/of.h> 13 #include <linux/pm_runtime.h> 14 #include <linux/regulator/consumer.h> 15 #include <media/v4l2-ctrls.h> 16 #include <media/v4l2-device.h> 17 #include <media/v4l2-event.h> 18 #include <media/v4l2-fwnode.h> 19 20 #define OV5670_XVCLK_FREQ 19200000 21 22 #define OV5670_REG_CHIP_ID 0x300a 23 #define OV5670_CHIP_ID 0x005670 24 25 #define OV5670_REG_MODE_SELECT 0x0100 26 #define OV5670_MODE_STANDBY 0x00 27 #define OV5670_MODE_STREAMING 0x01 28 29 #define OV5670_REG_SOFTWARE_RST 0x0103 30 #define OV5670_SOFTWARE_RST 0x01 31 32 /* vertical-timings from sensor */ 33 #define OV5670_REG_VTS 0x380e 34 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */ 35 #define OV5670_VTS_MAX 0xffff 36 37 /* horizontal-timings from sensor */ 38 #define OV5670_REG_HTS 0x380c 39 40 /* 41 * Pixels-per-line(PPL) = Time-per-line * pixel-rate 42 * In OV5670, Time-per-line = HTS/SCLK. 43 * HTS is fixed for all resolutions, not recommended to change. 44 */ 45 #define OV5670_FIXED_PPL 2724 /* Pixels per line */ 46 47 /* Exposure controls from sensor */ 48 #define OV5670_REG_EXPOSURE 0x3500 49 #define OV5670_EXPOSURE_MIN 4 50 #define OV5670_EXPOSURE_STEP 1 51 52 /* Analog gain controls from sensor */ 53 #define OV5670_REG_ANALOG_GAIN 0x3508 54 #define ANALOG_GAIN_MIN 0 55 #define ANALOG_GAIN_MAX 8191 56 #define ANALOG_GAIN_STEP 1 57 #define ANALOG_GAIN_DEFAULT 128 58 59 /* Digital gain controls from sensor */ 60 #define OV5670_REG_R_DGTL_GAIN 0x5032 61 #define OV5670_REG_G_DGTL_GAIN 0x5034 62 #define OV5670_REG_B_DGTL_GAIN 0x5036 63 #define OV5670_DGTL_GAIN_MIN 0 64 #define OV5670_DGTL_GAIN_MAX 4095 65 #define OV5670_DGTL_GAIN_STEP 1 66 #define OV5670_DGTL_GAIN_DEFAULT 1024 67 68 /* Test Pattern Control */ 69 #define OV5670_REG_TEST_PATTERN 0x4303 70 #define OV5670_TEST_PATTERN_ENABLE BIT(3) 71 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320 72 73 #define OV5670_REG_VALUE_08BIT 1 74 #define OV5670_REG_VALUE_16BIT 2 75 #define OV5670_REG_VALUE_24BIT 3 76 77 /* Pixel Array */ 78 #define OV5670_NATIVE_WIDTH 2624 79 #define OV5670_NATIVE_HEIGHT 1980 80 81 /* Initial number of frames to skip to avoid possible garbage */ 82 #define OV5670_NUM_OF_SKIP_FRAMES 2 83 84 struct ov5670_reg { 85 u16 address; 86 u8 val; 87 }; 88 89 struct ov5670_reg_list { 90 u32 num_of_regs; 91 const struct ov5670_reg *regs; 92 }; 93 94 struct ov5670_link_freq_config { 95 u32 pixel_rate; 96 const struct ov5670_reg_list reg_list; 97 }; 98 99 static const char * const ov5670_supply_names[] = { 100 "avdd", /* Analog power */ 101 "dvdd", /* Digital power */ 102 "dovdd", /* Digital output power */ 103 }; 104 105 #define OV5670_NUM_SUPPLIES ARRAY_SIZE(ov5670_supply_names) 106 107 struct ov5670_mode { 108 /* Frame width in pixels */ 109 u32 width; 110 111 /* Frame height in pixels */ 112 u32 height; 113 114 /* Default vertical timining size */ 115 u32 vts_def; 116 117 /* Min vertical timining size */ 118 u32 vts_min; 119 120 /* Link frequency needed for this resolution */ 121 u32 link_freq_index; 122 123 /* Analog crop rectangle */ 124 const struct v4l2_rect *analog_crop; 125 126 /* Sensor register settings for this resolution */ 127 const struct ov5670_reg_list reg_list; 128 }; 129 130 /* 131 * All the modes supported by the driver are obtained by subsampling the 132 * full pixel array. The below values are reflected in registers from 133 * 0x3800-0x3807 in the modes register-value tables. 134 */ 135 static const struct v4l2_rect ov5670_analog_crop = { 136 .left = 12, 137 .top = 4, 138 .width = 2600, 139 .height = 1952, 140 }; 141 142 static const struct ov5670_reg mipi_data_rate_840mbps[] = { 143 {0x0300, 0x04}, 144 {0x0301, 0x00}, 145 {0x0302, 0x84}, 146 {0x0303, 0x00}, 147 {0x0304, 0x03}, 148 {0x0305, 0x01}, 149 {0x0306, 0x01}, 150 {0x030a, 0x00}, 151 {0x030b, 0x00}, 152 {0x030c, 0x00}, 153 {0x030d, 0x26}, 154 {0x030e, 0x00}, 155 {0x030f, 0x06}, 156 {0x0312, 0x01}, 157 {0x3031, 0x0a}, 158 }; 159 160 static const struct ov5670_reg mode_2592x1944_regs[] = { 161 {0x3000, 0x00}, 162 {0x3002, 0x21}, 163 {0x3005, 0xf0}, 164 {0x3007, 0x00}, 165 {0x3015, 0x0f}, 166 {0x3018, 0x32}, 167 {0x301a, 0xf0}, 168 {0x301b, 0xf0}, 169 {0x301c, 0xf0}, 170 {0x301d, 0xf0}, 171 {0x301e, 0xf0}, 172 {0x3030, 0x00}, 173 {0x3031, 0x0a}, 174 {0x303c, 0xff}, 175 {0x303e, 0xff}, 176 {0x3040, 0xf0}, 177 {0x3041, 0x00}, 178 {0x3042, 0xf0}, 179 {0x3106, 0x11}, 180 {0x3500, 0x00}, 181 {0x3501, 0x80}, 182 {0x3502, 0x00}, 183 {0x3503, 0x04}, 184 {0x3504, 0x03}, 185 {0x3505, 0x83}, 186 {0x3508, 0x04}, 187 {0x3509, 0x00}, 188 {0x350e, 0x04}, 189 {0x350f, 0x00}, 190 {0x3510, 0x00}, 191 {0x3511, 0x02}, 192 {0x3512, 0x00}, 193 {0x3601, 0xc8}, 194 {0x3610, 0x88}, 195 {0x3612, 0x48}, 196 {0x3614, 0x5b}, 197 {0x3615, 0x96}, 198 {0x3621, 0xd0}, 199 {0x3622, 0x00}, 200 {0x3623, 0x00}, 201 {0x3633, 0x13}, 202 {0x3634, 0x13}, 203 {0x3635, 0x13}, 204 {0x3636, 0x13}, 205 {0x3645, 0x13}, 206 {0x3646, 0x82}, 207 {0x3650, 0x00}, 208 {0x3652, 0xff}, 209 {0x3655, 0x20}, 210 {0x3656, 0xff}, 211 {0x365a, 0xff}, 212 {0x365e, 0xff}, 213 {0x3668, 0x00}, 214 {0x366a, 0x07}, 215 {0x366e, 0x10}, 216 {0x366d, 0x00}, 217 {0x366f, 0x80}, 218 {0x3700, 0x28}, 219 {0x3701, 0x10}, 220 {0x3702, 0x3a}, 221 {0x3703, 0x19}, 222 {0x3704, 0x10}, 223 {0x3705, 0x00}, 224 {0x3706, 0x66}, 225 {0x3707, 0x08}, 226 {0x3708, 0x34}, 227 {0x3709, 0x40}, 228 {0x370a, 0x01}, 229 {0x370b, 0x1b}, 230 {0x3714, 0x24}, 231 {0x371a, 0x3e}, 232 {0x3733, 0x00}, 233 {0x3734, 0x00}, 234 {0x373a, 0x05}, 235 {0x373b, 0x06}, 236 {0x373c, 0x0a}, 237 {0x373f, 0xa0}, 238 {0x3755, 0x00}, 239 {0x3758, 0x00}, 240 {0x375b, 0x0e}, 241 {0x3766, 0x5f}, 242 {0x3768, 0x00}, 243 {0x3769, 0x22}, 244 {0x3773, 0x08}, 245 {0x3774, 0x1f}, 246 {0x3776, 0x06}, 247 {0x37a0, 0x88}, 248 {0x37a1, 0x5c}, 249 {0x37a7, 0x88}, 250 {0x37a8, 0x70}, 251 {0x37aa, 0x88}, 252 {0x37ab, 0x48}, 253 {0x37b3, 0x66}, 254 {0x37c2, 0x04}, 255 {0x37c5, 0x00}, 256 {0x37c8, 0x00}, 257 {0x3800, 0x00}, 258 {0x3801, 0x0c}, 259 {0x3802, 0x00}, 260 {0x3803, 0x04}, 261 {0x3804, 0x0a}, 262 {0x3805, 0x33}, 263 {0x3806, 0x07}, 264 {0x3807, 0xa3}, 265 {0x3808, 0x0a}, 266 {0x3809, 0x20}, 267 {0x380a, 0x07}, 268 {0x380b, 0x98}, 269 {0x380c, 0x06}, 270 {0x380d, 0x90}, 271 {0x380e, 0x08}, 272 {0x380f, 0x08}, 273 {0x3811, 0x04}, 274 {0x3813, 0x02}, 275 {0x3814, 0x01}, 276 {0x3815, 0x01}, 277 {0x3816, 0x00}, 278 {0x3817, 0x00}, 279 {0x3818, 0x00}, 280 {0x3819, 0x00}, 281 {0x3820, 0x84}, 282 {0x3821, 0x46}, 283 {0x3822, 0x48}, 284 {0x3826, 0x00}, 285 {0x3827, 0x08}, 286 {0x382a, 0x01}, 287 {0x382b, 0x01}, 288 {0x3830, 0x08}, 289 {0x3836, 0x02}, 290 {0x3837, 0x00}, 291 {0x3838, 0x10}, 292 {0x3841, 0xff}, 293 {0x3846, 0x48}, 294 {0x3861, 0x00}, 295 {0x3862, 0x04}, 296 {0x3863, 0x06}, 297 {0x3a11, 0x01}, 298 {0x3a12, 0x78}, 299 {0x3b00, 0x00}, 300 {0x3b02, 0x00}, 301 {0x3b03, 0x00}, 302 {0x3b04, 0x00}, 303 {0x3b05, 0x00}, 304 {0x3c00, 0x89}, 305 {0x3c01, 0xab}, 306 {0x3c02, 0x01}, 307 {0x3c03, 0x00}, 308 {0x3c04, 0x00}, 309 {0x3c05, 0x03}, 310 {0x3c06, 0x00}, 311 {0x3c07, 0x05}, 312 {0x3c0c, 0x00}, 313 {0x3c0d, 0x00}, 314 {0x3c0e, 0x00}, 315 {0x3c0f, 0x00}, 316 {0x3c40, 0x00}, 317 {0x3c41, 0xa3}, 318 {0x3c43, 0x7d}, 319 {0x3c45, 0xd7}, 320 {0x3c47, 0xfc}, 321 {0x3c50, 0x05}, 322 {0x3c52, 0xaa}, 323 {0x3c54, 0x71}, 324 {0x3c56, 0x80}, 325 {0x3d85, 0x17}, 326 {0x3f03, 0x00}, 327 {0x3f0a, 0x00}, 328 {0x3f0b, 0x00}, 329 {0x4001, 0x60}, 330 {0x4009, 0x0d}, 331 {0x4020, 0x00}, 332 {0x4021, 0x00}, 333 {0x4022, 0x00}, 334 {0x4023, 0x00}, 335 {0x4024, 0x00}, 336 {0x4025, 0x00}, 337 {0x4026, 0x00}, 338 {0x4027, 0x00}, 339 {0x4028, 0x00}, 340 {0x4029, 0x00}, 341 {0x402a, 0x00}, 342 {0x402b, 0x00}, 343 {0x402c, 0x00}, 344 {0x402d, 0x00}, 345 {0x402e, 0x00}, 346 {0x402f, 0x00}, 347 {0x4040, 0x00}, 348 {0x4041, 0x03}, 349 {0x4042, 0x00}, 350 {0x4043, 0x7A}, 351 {0x4044, 0x00}, 352 {0x4045, 0x7A}, 353 {0x4046, 0x00}, 354 {0x4047, 0x7A}, 355 {0x4048, 0x00}, 356 {0x4049, 0x7A}, 357 {0x4307, 0x30}, 358 {0x4500, 0x58}, 359 {0x4501, 0x04}, 360 {0x4502, 0x40}, 361 {0x4503, 0x10}, 362 {0x4508, 0xaa}, 363 {0x4509, 0xaa}, 364 {0x450a, 0x00}, 365 {0x450b, 0x00}, 366 {0x4600, 0x01}, 367 {0x4601, 0x03}, 368 {0x4700, 0xa4}, 369 {0x4800, 0x4c}, 370 {0x4816, 0x53}, 371 {0x481f, 0x40}, 372 {0x4837, 0x13}, 373 {0x5000, 0x56}, 374 {0x5001, 0x01}, 375 {0x5002, 0x28}, 376 {0x5004, 0x0c}, 377 {0x5006, 0x0c}, 378 {0x5007, 0xe0}, 379 {0x5008, 0x01}, 380 {0x5009, 0xb0}, 381 {0x5901, 0x00}, 382 {0x5a01, 0x00}, 383 {0x5a03, 0x00}, 384 {0x5a04, 0x0c}, 385 {0x5a05, 0xe0}, 386 {0x5a06, 0x09}, 387 {0x5a07, 0xb0}, 388 {0x5a08, 0x06}, 389 {0x5e00, 0x00}, 390 {0x3734, 0x40}, 391 {0x5b00, 0x01}, 392 {0x5b01, 0x10}, 393 {0x5b02, 0x01}, 394 {0x5b03, 0xdb}, 395 {0x3d8c, 0x71}, 396 {0x3d8d, 0xea}, 397 {0x4017, 0x08}, 398 {0x3618, 0x2a}, 399 {0x5780, 0x3e}, 400 {0x5781, 0x0f}, 401 {0x5782, 0x44}, 402 {0x5783, 0x02}, 403 {0x5784, 0x01}, 404 {0x5785, 0x01}, 405 {0x5786, 0x00}, 406 {0x5787, 0x04}, 407 {0x5788, 0x02}, 408 {0x5789, 0x0f}, 409 {0x578a, 0xfd}, 410 {0x578b, 0xf5}, 411 {0x578c, 0xf5}, 412 {0x578d, 0x03}, 413 {0x578e, 0x08}, 414 {0x578f, 0x0c}, 415 {0x5790, 0x08}, 416 {0x5791, 0x06}, 417 {0x5792, 0x00}, 418 {0x5793, 0x52}, 419 {0x5794, 0xa3}, 420 {0x3503, 0x00}, 421 {0x5045, 0x05}, 422 {0x4003, 0x40}, 423 {0x5048, 0x40} 424 }; 425 426 static const struct ov5670_reg mode_1296x972_regs[] = { 427 {0x3000, 0x00}, 428 {0x3002, 0x21}, 429 {0x3005, 0xf0}, 430 {0x3007, 0x00}, 431 {0x3015, 0x0f}, 432 {0x3018, 0x32}, 433 {0x301a, 0xf0}, 434 {0x301b, 0xf0}, 435 {0x301c, 0xf0}, 436 {0x301d, 0xf0}, 437 {0x301e, 0xf0}, 438 {0x3030, 0x00}, 439 {0x3031, 0x0a}, 440 {0x303c, 0xff}, 441 {0x303e, 0xff}, 442 {0x3040, 0xf0}, 443 {0x3041, 0x00}, 444 {0x3042, 0xf0}, 445 {0x3106, 0x11}, 446 {0x3500, 0x00}, 447 {0x3501, 0x80}, 448 {0x3502, 0x00}, 449 {0x3503, 0x04}, 450 {0x3504, 0x03}, 451 {0x3505, 0x83}, 452 {0x3508, 0x07}, 453 {0x3509, 0x80}, 454 {0x350e, 0x04}, 455 {0x350f, 0x00}, 456 {0x3510, 0x00}, 457 {0x3511, 0x02}, 458 {0x3512, 0x00}, 459 {0x3601, 0xc8}, 460 {0x3610, 0x88}, 461 {0x3612, 0x48}, 462 {0x3614, 0x5b}, 463 {0x3615, 0x96}, 464 {0x3621, 0xd0}, 465 {0x3622, 0x00}, 466 {0x3623, 0x00}, 467 {0x3633, 0x13}, 468 {0x3634, 0x13}, 469 {0x3635, 0x13}, 470 {0x3636, 0x13}, 471 {0x3645, 0x13}, 472 {0x3646, 0x82}, 473 {0x3650, 0x00}, 474 {0x3652, 0xff}, 475 {0x3655, 0x20}, 476 {0x3656, 0xff}, 477 {0x365a, 0xff}, 478 {0x365e, 0xff}, 479 {0x3668, 0x00}, 480 {0x366a, 0x07}, 481 {0x366e, 0x08}, 482 {0x366d, 0x00}, 483 {0x366f, 0x80}, 484 {0x3700, 0x28}, 485 {0x3701, 0x10}, 486 {0x3702, 0x3a}, 487 {0x3703, 0x19}, 488 {0x3704, 0x10}, 489 {0x3705, 0x00}, 490 {0x3706, 0x66}, 491 {0x3707, 0x08}, 492 {0x3708, 0x34}, 493 {0x3709, 0x40}, 494 {0x370a, 0x01}, 495 {0x370b, 0x1b}, 496 {0x3714, 0x24}, 497 {0x371a, 0x3e}, 498 {0x3733, 0x00}, 499 {0x3734, 0x00}, 500 {0x373a, 0x05}, 501 {0x373b, 0x06}, 502 {0x373c, 0x0a}, 503 {0x373f, 0xa0}, 504 {0x3755, 0x00}, 505 {0x3758, 0x00}, 506 {0x375b, 0x0e}, 507 {0x3766, 0x5f}, 508 {0x3768, 0x00}, 509 {0x3769, 0x22}, 510 {0x3773, 0x08}, 511 {0x3774, 0x1f}, 512 {0x3776, 0x06}, 513 {0x37a0, 0x88}, 514 {0x37a1, 0x5c}, 515 {0x37a7, 0x88}, 516 {0x37a8, 0x70}, 517 {0x37aa, 0x88}, 518 {0x37ab, 0x48}, 519 {0x37b3, 0x66}, 520 {0x37c2, 0x04}, 521 {0x37c5, 0x00}, 522 {0x37c8, 0x00}, 523 {0x3800, 0x00}, 524 {0x3801, 0x0c}, 525 {0x3802, 0x00}, 526 {0x3803, 0x04}, 527 {0x3804, 0x0a}, 528 {0x3805, 0x33}, 529 {0x3806, 0x07}, 530 {0x3807, 0xa3}, 531 {0x3808, 0x05}, 532 {0x3809, 0x10}, 533 {0x380a, 0x03}, 534 {0x380b, 0xcc}, 535 {0x380c, 0x06}, 536 {0x380d, 0x90}, 537 {0x380e, 0x08}, 538 {0x380f, 0x08}, 539 {0x3811, 0x04}, 540 {0x3813, 0x04}, 541 {0x3814, 0x03}, 542 {0x3815, 0x01}, 543 {0x3816, 0x00}, 544 {0x3817, 0x00}, 545 {0x3818, 0x00}, 546 {0x3819, 0x00}, 547 {0x3820, 0x94}, 548 {0x3821, 0x47}, 549 {0x3822, 0x48}, 550 {0x3826, 0x00}, 551 {0x3827, 0x08}, 552 {0x382a, 0x03}, 553 {0x382b, 0x01}, 554 {0x3830, 0x08}, 555 {0x3836, 0x02}, 556 {0x3837, 0x00}, 557 {0x3838, 0x10}, 558 {0x3841, 0xff}, 559 {0x3846, 0x48}, 560 {0x3861, 0x00}, 561 {0x3862, 0x04}, 562 {0x3863, 0x06}, 563 {0x3a11, 0x01}, 564 {0x3a12, 0x78}, 565 {0x3b00, 0x00}, 566 {0x3b02, 0x00}, 567 {0x3b03, 0x00}, 568 {0x3b04, 0x00}, 569 {0x3b05, 0x00}, 570 {0x3c00, 0x89}, 571 {0x3c01, 0xab}, 572 {0x3c02, 0x01}, 573 {0x3c03, 0x00}, 574 {0x3c04, 0x00}, 575 {0x3c05, 0x03}, 576 {0x3c06, 0x00}, 577 {0x3c07, 0x05}, 578 {0x3c0c, 0x00}, 579 {0x3c0d, 0x00}, 580 {0x3c0e, 0x00}, 581 {0x3c0f, 0x00}, 582 {0x3c40, 0x00}, 583 {0x3c41, 0xa3}, 584 {0x3c43, 0x7d}, 585 {0x3c45, 0xd7}, 586 {0x3c47, 0xfc}, 587 {0x3c50, 0x05}, 588 {0x3c52, 0xaa}, 589 {0x3c54, 0x71}, 590 {0x3c56, 0x80}, 591 {0x3d85, 0x17}, 592 {0x3f03, 0x00}, 593 {0x3f0a, 0x00}, 594 {0x3f0b, 0x00}, 595 {0x4001, 0x60}, 596 {0x4009, 0x05}, 597 {0x4020, 0x00}, 598 {0x4021, 0x00}, 599 {0x4022, 0x00}, 600 {0x4023, 0x00}, 601 {0x4024, 0x00}, 602 {0x4025, 0x00}, 603 {0x4026, 0x00}, 604 {0x4027, 0x00}, 605 {0x4028, 0x00}, 606 {0x4029, 0x00}, 607 {0x402a, 0x00}, 608 {0x402b, 0x00}, 609 {0x402c, 0x00}, 610 {0x402d, 0x00}, 611 {0x402e, 0x00}, 612 {0x402f, 0x00}, 613 {0x4040, 0x00}, 614 {0x4041, 0x03}, 615 {0x4042, 0x00}, 616 {0x4043, 0x7A}, 617 {0x4044, 0x00}, 618 {0x4045, 0x7A}, 619 {0x4046, 0x00}, 620 {0x4047, 0x7A}, 621 {0x4048, 0x00}, 622 {0x4049, 0x7A}, 623 {0x4307, 0x30}, 624 {0x4500, 0x58}, 625 {0x4501, 0x04}, 626 {0x4502, 0x48}, 627 {0x4503, 0x10}, 628 {0x4508, 0x55}, 629 {0x4509, 0x55}, 630 {0x450a, 0x00}, 631 {0x450b, 0x00}, 632 {0x4600, 0x00}, 633 {0x4601, 0x81}, 634 {0x4700, 0xa4}, 635 {0x4800, 0x4c}, 636 {0x4816, 0x53}, 637 {0x481f, 0x40}, 638 {0x4837, 0x13}, 639 {0x5000, 0x56}, 640 {0x5001, 0x01}, 641 {0x5002, 0x28}, 642 {0x5004, 0x0c}, 643 {0x5006, 0x0c}, 644 {0x5007, 0xe0}, 645 {0x5008, 0x01}, 646 {0x5009, 0xb0}, 647 {0x5901, 0x00}, 648 {0x5a01, 0x00}, 649 {0x5a03, 0x00}, 650 {0x5a04, 0x0c}, 651 {0x5a05, 0xe0}, 652 {0x5a06, 0x09}, 653 {0x5a07, 0xb0}, 654 {0x5a08, 0x06}, 655 {0x5e00, 0x00}, 656 {0x3734, 0x40}, 657 {0x5b00, 0x01}, 658 {0x5b01, 0x10}, 659 {0x5b02, 0x01}, 660 {0x5b03, 0xdb}, 661 {0x3d8c, 0x71}, 662 {0x3d8d, 0xea}, 663 {0x4017, 0x10}, 664 {0x3618, 0x2a}, 665 {0x5780, 0x3e}, 666 {0x5781, 0x0f}, 667 {0x5782, 0x44}, 668 {0x5783, 0x02}, 669 {0x5784, 0x01}, 670 {0x5785, 0x01}, 671 {0x5786, 0x00}, 672 {0x5787, 0x04}, 673 {0x5788, 0x02}, 674 {0x5789, 0x0f}, 675 {0x578a, 0xfd}, 676 {0x578b, 0xf5}, 677 {0x578c, 0xf5}, 678 {0x578d, 0x03}, 679 {0x578e, 0x08}, 680 {0x578f, 0x0c}, 681 {0x5790, 0x08}, 682 {0x5791, 0x04}, 683 {0x5792, 0x00}, 684 {0x5793, 0x52}, 685 {0x5794, 0xa3}, 686 {0x3503, 0x00}, 687 {0x5045, 0x05}, 688 {0x4003, 0x40}, 689 {0x5048, 0x40} 690 }; 691 692 static const struct ov5670_reg mode_648x486_regs[] = { 693 {0x3000, 0x00}, 694 {0x3002, 0x21}, 695 {0x3005, 0xf0}, 696 {0x3007, 0x00}, 697 {0x3015, 0x0f}, 698 {0x3018, 0x32}, 699 {0x301a, 0xf0}, 700 {0x301b, 0xf0}, 701 {0x301c, 0xf0}, 702 {0x301d, 0xf0}, 703 {0x301e, 0xf0}, 704 {0x3030, 0x00}, 705 {0x3031, 0x0a}, 706 {0x303c, 0xff}, 707 {0x303e, 0xff}, 708 {0x3040, 0xf0}, 709 {0x3041, 0x00}, 710 {0x3042, 0xf0}, 711 {0x3106, 0x11}, 712 {0x3500, 0x00}, 713 {0x3501, 0x80}, 714 {0x3502, 0x00}, 715 {0x3503, 0x04}, 716 {0x3504, 0x03}, 717 {0x3505, 0x83}, 718 {0x3508, 0x04}, 719 {0x3509, 0x00}, 720 {0x350e, 0x04}, 721 {0x350f, 0x00}, 722 {0x3510, 0x00}, 723 {0x3511, 0x02}, 724 {0x3512, 0x00}, 725 {0x3601, 0xc8}, 726 {0x3610, 0x88}, 727 {0x3612, 0x48}, 728 {0x3614, 0x5b}, 729 {0x3615, 0x96}, 730 {0x3621, 0xd0}, 731 {0x3622, 0x00}, 732 {0x3623, 0x04}, 733 {0x3633, 0x13}, 734 {0x3634, 0x13}, 735 {0x3635, 0x13}, 736 {0x3636, 0x13}, 737 {0x3645, 0x13}, 738 {0x3646, 0x82}, 739 {0x3650, 0x00}, 740 {0x3652, 0xff}, 741 {0x3655, 0x20}, 742 {0x3656, 0xff}, 743 {0x365a, 0xff}, 744 {0x365e, 0xff}, 745 {0x3668, 0x00}, 746 {0x366a, 0x07}, 747 {0x366e, 0x08}, 748 {0x366d, 0x00}, 749 {0x366f, 0x80}, 750 {0x3700, 0x28}, 751 {0x3701, 0x10}, 752 {0x3702, 0x3a}, 753 {0x3703, 0x19}, 754 {0x3704, 0x10}, 755 {0x3705, 0x00}, 756 {0x3706, 0x66}, 757 {0x3707, 0x08}, 758 {0x3708, 0x34}, 759 {0x3709, 0x40}, 760 {0x370a, 0x01}, 761 {0x370b, 0x1b}, 762 {0x3714, 0x24}, 763 {0x371a, 0x3e}, 764 {0x3733, 0x00}, 765 {0x3734, 0x00}, 766 {0x373a, 0x05}, 767 {0x373b, 0x06}, 768 {0x373c, 0x0a}, 769 {0x373f, 0xa0}, 770 {0x3755, 0x00}, 771 {0x3758, 0x00}, 772 {0x375b, 0x0e}, 773 {0x3766, 0x5f}, 774 {0x3768, 0x00}, 775 {0x3769, 0x22}, 776 {0x3773, 0x08}, 777 {0x3774, 0x1f}, 778 {0x3776, 0x06}, 779 {0x37a0, 0x88}, 780 {0x37a1, 0x5c}, 781 {0x37a7, 0x88}, 782 {0x37a8, 0x70}, 783 {0x37aa, 0x88}, 784 {0x37ab, 0x48}, 785 {0x37b3, 0x66}, 786 {0x37c2, 0x04}, 787 {0x37c5, 0x00}, 788 {0x37c8, 0x00}, 789 {0x3800, 0x00}, 790 {0x3801, 0x0c}, 791 {0x3802, 0x00}, 792 {0x3803, 0x04}, 793 {0x3804, 0x0a}, 794 {0x3805, 0x33}, 795 {0x3806, 0x07}, 796 {0x3807, 0xa3}, 797 {0x3808, 0x02}, 798 {0x3809, 0x88}, 799 {0x380a, 0x01}, 800 {0x380b, 0xe6}, 801 {0x380c, 0x06}, 802 {0x380d, 0x90}, 803 {0x380e, 0x08}, 804 {0x380f, 0x08}, 805 {0x3811, 0x04}, 806 {0x3813, 0x02}, 807 {0x3814, 0x07}, 808 {0x3815, 0x01}, 809 {0x3816, 0x00}, 810 {0x3817, 0x00}, 811 {0x3818, 0x00}, 812 {0x3819, 0x00}, 813 {0x3820, 0x94}, 814 {0x3821, 0xc6}, 815 {0x3822, 0x48}, 816 {0x3826, 0x00}, 817 {0x3827, 0x08}, 818 {0x382a, 0x07}, 819 {0x382b, 0x01}, 820 {0x3830, 0x08}, 821 {0x3836, 0x02}, 822 {0x3837, 0x00}, 823 {0x3838, 0x10}, 824 {0x3841, 0xff}, 825 {0x3846, 0x48}, 826 {0x3861, 0x00}, 827 {0x3862, 0x04}, 828 {0x3863, 0x06}, 829 {0x3a11, 0x01}, 830 {0x3a12, 0x78}, 831 {0x3b00, 0x00}, 832 {0x3b02, 0x00}, 833 {0x3b03, 0x00}, 834 {0x3b04, 0x00}, 835 {0x3b05, 0x00}, 836 {0x3c00, 0x89}, 837 {0x3c01, 0xab}, 838 {0x3c02, 0x01}, 839 {0x3c03, 0x00}, 840 {0x3c04, 0x00}, 841 {0x3c05, 0x03}, 842 {0x3c06, 0x00}, 843 {0x3c07, 0x05}, 844 {0x3c0c, 0x00}, 845 {0x3c0d, 0x00}, 846 {0x3c0e, 0x00}, 847 {0x3c0f, 0x00}, 848 {0x3c40, 0x00}, 849 {0x3c41, 0xa3}, 850 {0x3c43, 0x7d}, 851 {0x3c45, 0xd7}, 852 {0x3c47, 0xfc}, 853 {0x3c50, 0x05}, 854 {0x3c52, 0xaa}, 855 {0x3c54, 0x71}, 856 {0x3c56, 0x80}, 857 {0x3d85, 0x17}, 858 {0x3f03, 0x00}, 859 {0x3f0a, 0x00}, 860 {0x3f0b, 0x00}, 861 {0x4001, 0x60}, 862 {0x4009, 0x05}, 863 {0x4020, 0x00}, 864 {0x4021, 0x00}, 865 {0x4022, 0x00}, 866 {0x4023, 0x00}, 867 {0x4024, 0x00}, 868 {0x4025, 0x00}, 869 {0x4026, 0x00}, 870 {0x4027, 0x00}, 871 {0x4028, 0x00}, 872 {0x4029, 0x00}, 873 {0x402a, 0x00}, 874 {0x402b, 0x00}, 875 {0x402c, 0x00}, 876 {0x402d, 0x00}, 877 {0x402e, 0x00}, 878 {0x402f, 0x00}, 879 {0x4040, 0x00}, 880 {0x4041, 0x03}, 881 {0x4042, 0x00}, 882 {0x4043, 0x7A}, 883 {0x4044, 0x00}, 884 {0x4045, 0x7A}, 885 {0x4046, 0x00}, 886 {0x4047, 0x7A}, 887 {0x4048, 0x00}, 888 {0x4049, 0x7A}, 889 {0x4307, 0x30}, 890 {0x4500, 0x58}, 891 {0x4501, 0x04}, 892 {0x4502, 0x40}, 893 {0x4503, 0x10}, 894 {0x4508, 0x55}, 895 {0x4509, 0x55}, 896 {0x450a, 0x02}, 897 {0x450b, 0x00}, 898 {0x4600, 0x00}, 899 {0x4601, 0x40}, 900 {0x4700, 0xa4}, 901 {0x4800, 0x4c}, 902 {0x4816, 0x53}, 903 {0x481f, 0x40}, 904 {0x4837, 0x13}, 905 {0x5000, 0x56}, 906 {0x5001, 0x01}, 907 {0x5002, 0x28}, 908 {0x5004, 0x0c}, 909 {0x5006, 0x0c}, 910 {0x5007, 0xe0}, 911 {0x5008, 0x01}, 912 {0x5009, 0xb0}, 913 {0x5901, 0x00}, 914 {0x5a01, 0x00}, 915 {0x5a03, 0x00}, 916 {0x5a04, 0x0c}, 917 {0x5a05, 0xe0}, 918 {0x5a06, 0x09}, 919 {0x5a07, 0xb0}, 920 {0x5a08, 0x06}, 921 {0x5e00, 0x00}, 922 {0x3734, 0x40}, 923 {0x5b00, 0x01}, 924 {0x5b01, 0x10}, 925 {0x5b02, 0x01}, 926 {0x5b03, 0xdb}, 927 {0x3d8c, 0x71}, 928 {0x3d8d, 0xea}, 929 {0x4017, 0x10}, 930 {0x3618, 0x2a}, 931 {0x5780, 0x3e}, 932 {0x5781, 0x0f}, 933 {0x5782, 0x44}, 934 {0x5783, 0x02}, 935 {0x5784, 0x01}, 936 {0x5785, 0x01}, 937 {0x5786, 0x00}, 938 {0x5787, 0x04}, 939 {0x5788, 0x02}, 940 {0x5789, 0x0f}, 941 {0x578a, 0xfd}, 942 {0x578b, 0xf5}, 943 {0x578c, 0xf5}, 944 {0x578d, 0x03}, 945 {0x578e, 0x08}, 946 {0x578f, 0x0c}, 947 {0x5790, 0x08}, 948 {0x5791, 0x06}, 949 {0x5792, 0x00}, 950 {0x5793, 0x52}, 951 {0x5794, 0xa3}, 952 {0x3503, 0x00}, 953 {0x5045, 0x05}, 954 {0x4003, 0x40}, 955 {0x5048, 0x40} 956 }; 957 958 static const struct ov5670_reg mode_2560x1440_regs[] = { 959 {0x3000, 0x00}, 960 {0x3002, 0x21}, 961 {0x3005, 0xf0}, 962 {0x3007, 0x00}, 963 {0x3015, 0x0f}, 964 {0x3018, 0x32}, 965 {0x301a, 0xf0}, 966 {0x301b, 0xf0}, 967 {0x301c, 0xf0}, 968 {0x301d, 0xf0}, 969 {0x301e, 0xf0}, 970 {0x3030, 0x00}, 971 {0x3031, 0x0a}, 972 {0x303c, 0xff}, 973 {0x303e, 0xff}, 974 {0x3040, 0xf0}, 975 {0x3041, 0x00}, 976 {0x3042, 0xf0}, 977 {0x3106, 0x11}, 978 {0x3500, 0x00}, 979 {0x3501, 0x80}, 980 {0x3502, 0x00}, 981 {0x3503, 0x04}, 982 {0x3504, 0x03}, 983 {0x3505, 0x83}, 984 {0x3508, 0x04}, 985 {0x3509, 0x00}, 986 {0x350e, 0x04}, 987 {0x350f, 0x00}, 988 {0x3510, 0x00}, 989 {0x3511, 0x02}, 990 {0x3512, 0x00}, 991 {0x3601, 0xc8}, 992 {0x3610, 0x88}, 993 {0x3612, 0x48}, 994 {0x3614, 0x5b}, 995 {0x3615, 0x96}, 996 {0x3621, 0xd0}, 997 {0x3622, 0x00}, 998 {0x3623, 0x00}, 999 {0x3633, 0x13}, 1000 {0x3634, 0x13}, 1001 {0x3635, 0x13}, 1002 {0x3636, 0x13}, 1003 {0x3645, 0x13}, 1004 {0x3646, 0x82}, 1005 {0x3650, 0x00}, 1006 {0x3652, 0xff}, 1007 {0x3655, 0x20}, 1008 {0x3656, 0xff}, 1009 {0x365a, 0xff}, 1010 {0x365e, 0xff}, 1011 {0x3668, 0x00}, 1012 {0x366a, 0x07}, 1013 {0x366e, 0x10}, 1014 {0x366d, 0x00}, 1015 {0x366f, 0x80}, 1016 {0x3700, 0x28}, 1017 {0x3701, 0x10}, 1018 {0x3702, 0x3a}, 1019 {0x3703, 0x19}, 1020 {0x3704, 0x10}, 1021 {0x3705, 0x00}, 1022 {0x3706, 0x66}, 1023 {0x3707, 0x08}, 1024 {0x3708, 0x34}, 1025 {0x3709, 0x40}, 1026 {0x370a, 0x01}, 1027 {0x370b, 0x1b}, 1028 {0x3714, 0x24}, 1029 {0x371a, 0x3e}, 1030 {0x3733, 0x00}, 1031 {0x3734, 0x00}, 1032 {0x373a, 0x05}, 1033 {0x373b, 0x06}, 1034 {0x373c, 0x0a}, 1035 {0x373f, 0xa0}, 1036 {0x3755, 0x00}, 1037 {0x3758, 0x00}, 1038 {0x375b, 0x0e}, 1039 {0x3766, 0x5f}, 1040 {0x3768, 0x00}, 1041 {0x3769, 0x22}, 1042 {0x3773, 0x08}, 1043 {0x3774, 0x1f}, 1044 {0x3776, 0x06}, 1045 {0x37a0, 0x88}, 1046 {0x37a1, 0x5c}, 1047 {0x37a7, 0x88}, 1048 {0x37a8, 0x70}, 1049 {0x37aa, 0x88}, 1050 {0x37ab, 0x48}, 1051 {0x37b3, 0x66}, 1052 {0x37c2, 0x04}, 1053 {0x37c5, 0x00}, 1054 {0x37c8, 0x00}, 1055 {0x3800, 0x00}, 1056 {0x3801, 0x0c}, 1057 {0x3802, 0x00}, 1058 {0x3803, 0x04}, 1059 {0x3804, 0x0a}, 1060 {0x3805, 0x33}, 1061 {0x3806, 0x07}, 1062 {0x3807, 0xa3}, 1063 {0x3808, 0x0a}, 1064 {0x3809, 0x00}, 1065 {0x380a, 0x05}, 1066 {0x380b, 0xa0}, 1067 {0x380c, 0x06}, 1068 {0x380d, 0x90}, 1069 {0x380e, 0x08}, 1070 {0x380f, 0x08}, 1071 {0x3811, 0x04}, 1072 {0x3813, 0x02}, 1073 {0x3814, 0x01}, 1074 {0x3815, 0x01}, 1075 {0x3816, 0x00}, 1076 {0x3817, 0x00}, 1077 {0x3818, 0x00}, 1078 {0x3819, 0x00}, 1079 {0x3820, 0x84}, 1080 {0x3821, 0x46}, 1081 {0x3822, 0x48}, 1082 {0x3826, 0x00}, 1083 {0x3827, 0x08}, 1084 {0x382a, 0x01}, 1085 {0x382b, 0x01}, 1086 {0x3830, 0x08}, 1087 {0x3836, 0x02}, 1088 {0x3837, 0x00}, 1089 {0x3838, 0x10}, 1090 {0x3841, 0xff}, 1091 {0x3846, 0x48}, 1092 {0x3861, 0x00}, 1093 {0x3862, 0x04}, 1094 {0x3863, 0x06}, 1095 {0x3a11, 0x01}, 1096 {0x3a12, 0x78}, 1097 {0x3b00, 0x00}, 1098 {0x3b02, 0x00}, 1099 {0x3b03, 0x00}, 1100 {0x3b04, 0x00}, 1101 {0x3b05, 0x00}, 1102 {0x3c00, 0x89}, 1103 {0x3c01, 0xab}, 1104 {0x3c02, 0x01}, 1105 {0x3c03, 0x00}, 1106 {0x3c04, 0x00}, 1107 {0x3c05, 0x03}, 1108 {0x3c06, 0x00}, 1109 {0x3c07, 0x05}, 1110 {0x3c0c, 0x00}, 1111 {0x3c0d, 0x00}, 1112 {0x3c0e, 0x00}, 1113 {0x3c0f, 0x00}, 1114 {0x3c40, 0x00}, 1115 {0x3c41, 0xa3}, 1116 {0x3c43, 0x7d}, 1117 {0x3c45, 0xd7}, 1118 {0x3c47, 0xfc}, 1119 {0x3c50, 0x05}, 1120 {0x3c52, 0xaa}, 1121 {0x3c54, 0x71}, 1122 {0x3c56, 0x80}, 1123 {0x3d85, 0x17}, 1124 {0x3f03, 0x00}, 1125 {0x3f0a, 0x00}, 1126 {0x3f0b, 0x00}, 1127 {0x4001, 0x60}, 1128 {0x4009, 0x0d}, 1129 {0x4020, 0x00}, 1130 {0x4021, 0x00}, 1131 {0x4022, 0x00}, 1132 {0x4023, 0x00}, 1133 {0x4024, 0x00}, 1134 {0x4025, 0x00}, 1135 {0x4026, 0x00}, 1136 {0x4027, 0x00}, 1137 {0x4028, 0x00}, 1138 {0x4029, 0x00}, 1139 {0x402a, 0x00}, 1140 {0x402b, 0x00}, 1141 {0x402c, 0x00}, 1142 {0x402d, 0x00}, 1143 {0x402e, 0x00}, 1144 {0x402f, 0x00}, 1145 {0x4040, 0x00}, 1146 {0x4041, 0x03}, 1147 {0x4042, 0x00}, 1148 {0x4043, 0x7A}, 1149 {0x4044, 0x00}, 1150 {0x4045, 0x7A}, 1151 {0x4046, 0x00}, 1152 {0x4047, 0x7A}, 1153 {0x4048, 0x00}, 1154 {0x4049, 0x7A}, 1155 {0x4307, 0x30}, 1156 {0x4500, 0x58}, 1157 {0x4501, 0x04}, 1158 {0x4502, 0x40}, 1159 {0x4503, 0x10}, 1160 {0x4508, 0xaa}, 1161 {0x4509, 0xaa}, 1162 {0x450a, 0x00}, 1163 {0x450b, 0x00}, 1164 {0x4600, 0x01}, 1165 {0x4601, 0x00}, 1166 {0x4700, 0xa4}, 1167 {0x4800, 0x4c}, 1168 {0x4816, 0x53}, 1169 {0x481f, 0x40}, 1170 {0x4837, 0x13}, 1171 {0x5000, 0x56}, 1172 {0x5001, 0x01}, 1173 {0x5002, 0x28}, 1174 {0x5004, 0x0c}, 1175 {0x5006, 0x0c}, 1176 {0x5007, 0xe0}, 1177 {0x5008, 0x01}, 1178 {0x5009, 0xb0}, 1179 {0x5901, 0x00}, 1180 {0x5a01, 0x00}, 1181 {0x5a03, 0x00}, 1182 {0x5a04, 0x0c}, 1183 {0x5a05, 0xe0}, 1184 {0x5a06, 0x09}, 1185 {0x5a07, 0xb0}, 1186 {0x5a08, 0x06}, 1187 {0x5e00, 0x00}, 1188 {0x3734, 0x40}, 1189 {0x5b00, 0x01}, 1190 {0x5b01, 0x10}, 1191 {0x5b02, 0x01}, 1192 {0x5b03, 0xdb}, 1193 {0x3d8c, 0x71}, 1194 {0x3d8d, 0xea}, 1195 {0x4017, 0x08}, 1196 {0x3618, 0x2a}, 1197 {0x5780, 0x3e}, 1198 {0x5781, 0x0f}, 1199 {0x5782, 0x44}, 1200 {0x5783, 0x02}, 1201 {0x5784, 0x01}, 1202 {0x5785, 0x01}, 1203 {0x5786, 0x00}, 1204 {0x5787, 0x04}, 1205 {0x5788, 0x02}, 1206 {0x5789, 0x0f}, 1207 {0x578a, 0xfd}, 1208 {0x578b, 0xf5}, 1209 {0x578c, 0xf5}, 1210 {0x578d, 0x03}, 1211 {0x578e, 0x08}, 1212 {0x578f, 0x0c}, 1213 {0x5790, 0x08}, 1214 {0x5791, 0x06}, 1215 {0x5792, 0x00}, 1216 {0x5793, 0x52}, 1217 {0x5794, 0xa3}, 1218 {0x5045, 0x05}, 1219 {0x4003, 0x40}, 1220 {0x5048, 0x40} 1221 }; 1222 1223 static const struct ov5670_reg mode_1280x720_regs[] = { 1224 {0x3000, 0x00}, 1225 {0x3002, 0x21}, 1226 {0x3005, 0xf0}, 1227 {0x3007, 0x00}, 1228 {0x3015, 0x0f}, 1229 {0x3018, 0x32}, 1230 {0x301a, 0xf0}, 1231 {0x301b, 0xf0}, 1232 {0x301c, 0xf0}, 1233 {0x301d, 0xf0}, 1234 {0x301e, 0xf0}, 1235 {0x3030, 0x00}, 1236 {0x3031, 0x0a}, 1237 {0x303c, 0xff}, 1238 {0x303e, 0xff}, 1239 {0x3040, 0xf0}, 1240 {0x3041, 0x00}, 1241 {0x3042, 0xf0}, 1242 {0x3106, 0x11}, 1243 {0x3500, 0x00}, 1244 {0x3501, 0x80}, 1245 {0x3502, 0x00}, 1246 {0x3503, 0x04}, 1247 {0x3504, 0x03}, 1248 {0x3505, 0x83}, 1249 {0x3508, 0x04}, 1250 {0x3509, 0x00}, 1251 {0x350e, 0x04}, 1252 {0x350f, 0x00}, 1253 {0x3510, 0x00}, 1254 {0x3511, 0x02}, 1255 {0x3512, 0x00}, 1256 {0x3601, 0xc8}, 1257 {0x3610, 0x88}, 1258 {0x3612, 0x48}, 1259 {0x3614, 0x5b}, 1260 {0x3615, 0x96}, 1261 {0x3621, 0xd0}, 1262 {0x3622, 0x00}, 1263 {0x3623, 0x00}, 1264 {0x3633, 0x13}, 1265 {0x3634, 0x13}, 1266 {0x3635, 0x13}, 1267 {0x3636, 0x13}, 1268 {0x3645, 0x13}, 1269 {0x3646, 0x82}, 1270 {0x3650, 0x00}, 1271 {0x3652, 0xff}, 1272 {0x3655, 0x20}, 1273 {0x3656, 0xff}, 1274 {0x365a, 0xff}, 1275 {0x365e, 0xff}, 1276 {0x3668, 0x00}, 1277 {0x366a, 0x07}, 1278 {0x366e, 0x08}, 1279 {0x366d, 0x00}, 1280 {0x366f, 0x80}, 1281 {0x3700, 0x28}, 1282 {0x3701, 0x10}, 1283 {0x3702, 0x3a}, 1284 {0x3703, 0x19}, 1285 {0x3704, 0x10}, 1286 {0x3705, 0x00}, 1287 {0x3706, 0x66}, 1288 {0x3707, 0x08}, 1289 {0x3708, 0x34}, 1290 {0x3709, 0x40}, 1291 {0x370a, 0x01}, 1292 {0x370b, 0x1b}, 1293 {0x3714, 0x24}, 1294 {0x371a, 0x3e}, 1295 {0x3733, 0x00}, 1296 {0x3734, 0x00}, 1297 {0x373a, 0x05}, 1298 {0x373b, 0x06}, 1299 {0x373c, 0x0a}, 1300 {0x373f, 0xa0}, 1301 {0x3755, 0x00}, 1302 {0x3758, 0x00}, 1303 {0x375b, 0x0e}, 1304 {0x3766, 0x5f}, 1305 {0x3768, 0x00}, 1306 {0x3769, 0x22}, 1307 {0x3773, 0x08}, 1308 {0x3774, 0x1f}, 1309 {0x3776, 0x06}, 1310 {0x37a0, 0x88}, 1311 {0x37a1, 0x5c}, 1312 {0x37a7, 0x88}, 1313 {0x37a8, 0x70}, 1314 {0x37aa, 0x88}, 1315 {0x37ab, 0x48}, 1316 {0x37b3, 0x66}, 1317 {0x37c2, 0x04}, 1318 {0x37c5, 0x00}, 1319 {0x37c8, 0x00}, 1320 {0x3800, 0x00}, 1321 {0x3801, 0x0c}, 1322 {0x3802, 0x00}, 1323 {0x3803, 0x04}, 1324 {0x3804, 0x0a}, 1325 {0x3805, 0x33}, 1326 {0x3806, 0x07}, 1327 {0x3807, 0xa3}, 1328 {0x3808, 0x05}, 1329 {0x3809, 0x00}, 1330 {0x380a, 0x02}, 1331 {0x380b, 0xd0}, 1332 {0x380c, 0x06}, 1333 {0x380d, 0x90}, 1334 {0x380e, 0x08}, 1335 {0x380f, 0x08}, 1336 {0x3811, 0x04}, 1337 {0x3813, 0x02}, 1338 {0x3814, 0x03}, 1339 {0x3815, 0x01}, 1340 {0x3816, 0x00}, 1341 {0x3817, 0x00}, 1342 {0x3818, 0x00}, 1343 {0x3819, 0x00}, 1344 {0x3820, 0x94}, 1345 {0x3821, 0x47}, 1346 {0x3822, 0x48}, 1347 {0x3826, 0x00}, 1348 {0x3827, 0x08}, 1349 {0x382a, 0x03}, 1350 {0x382b, 0x01}, 1351 {0x3830, 0x08}, 1352 {0x3836, 0x02}, 1353 {0x3837, 0x00}, 1354 {0x3838, 0x10}, 1355 {0x3841, 0xff}, 1356 {0x3846, 0x48}, 1357 {0x3861, 0x00}, 1358 {0x3862, 0x04}, 1359 {0x3863, 0x06}, 1360 {0x3a11, 0x01}, 1361 {0x3a12, 0x78}, 1362 {0x3b00, 0x00}, 1363 {0x3b02, 0x00}, 1364 {0x3b03, 0x00}, 1365 {0x3b04, 0x00}, 1366 {0x3b05, 0x00}, 1367 {0x3c00, 0x89}, 1368 {0x3c01, 0xab}, 1369 {0x3c02, 0x01}, 1370 {0x3c03, 0x00}, 1371 {0x3c04, 0x00}, 1372 {0x3c05, 0x03}, 1373 {0x3c06, 0x00}, 1374 {0x3c07, 0x05}, 1375 {0x3c0c, 0x00}, 1376 {0x3c0d, 0x00}, 1377 {0x3c0e, 0x00}, 1378 {0x3c0f, 0x00}, 1379 {0x3c40, 0x00}, 1380 {0x3c41, 0xa3}, 1381 {0x3c43, 0x7d}, 1382 {0x3c45, 0xd7}, 1383 {0x3c47, 0xfc}, 1384 {0x3c50, 0x05}, 1385 {0x3c52, 0xaa}, 1386 {0x3c54, 0x71}, 1387 {0x3c56, 0x80}, 1388 {0x3d85, 0x17}, 1389 {0x3f03, 0x00}, 1390 {0x3f0a, 0x00}, 1391 {0x3f0b, 0x00}, 1392 {0x4001, 0x60}, 1393 {0x4009, 0x05}, 1394 {0x4020, 0x00}, 1395 {0x4021, 0x00}, 1396 {0x4022, 0x00}, 1397 {0x4023, 0x00}, 1398 {0x4024, 0x00}, 1399 {0x4025, 0x00}, 1400 {0x4026, 0x00}, 1401 {0x4027, 0x00}, 1402 {0x4028, 0x00}, 1403 {0x4029, 0x00}, 1404 {0x402a, 0x00}, 1405 {0x402b, 0x00}, 1406 {0x402c, 0x00}, 1407 {0x402d, 0x00}, 1408 {0x402e, 0x00}, 1409 {0x402f, 0x00}, 1410 {0x4040, 0x00}, 1411 {0x4041, 0x03}, 1412 {0x4042, 0x00}, 1413 {0x4043, 0x7A}, 1414 {0x4044, 0x00}, 1415 {0x4045, 0x7A}, 1416 {0x4046, 0x00}, 1417 {0x4047, 0x7A}, 1418 {0x4048, 0x00}, 1419 {0x4049, 0x7A}, 1420 {0x4307, 0x30}, 1421 {0x4500, 0x58}, 1422 {0x4501, 0x04}, 1423 {0x4502, 0x48}, 1424 {0x4503, 0x10}, 1425 {0x4508, 0x55}, 1426 {0x4509, 0x55}, 1427 {0x450a, 0x00}, 1428 {0x450b, 0x00}, 1429 {0x4600, 0x00}, 1430 {0x4601, 0x80}, 1431 {0x4700, 0xa4}, 1432 {0x4800, 0x4c}, 1433 {0x4816, 0x53}, 1434 {0x481f, 0x40}, 1435 {0x4837, 0x13}, 1436 {0x5000, 0x56}, 1437 {0x5001, 0x01}, 1438 {0x5002, 0x28}, 1439 {0x5004, 0x0c}, 1440 {0x5006, 0x0c}, 1441 {0x5007, 0xe0}, 1442 {0x5008, 0x01}, 1443 {0x5009, 0xb0}, 1444 {0x5901, 0x00}, 1445 {0x5a01, 0x00}, 1446 {0x5a03, 0x00}, 1447 {0x5a04, 0x0c}, 1448 {0x5a05, 0xe0}, 1449 {0x5a06, 0x09}, 1450 {0x5a07, 0xb0}, 1451 {0x5a08, 0x06}, 1452 {0x5e00, 0x00}, 1453 {0x3734, 0x40}, 1454 {0x5b00, 0x01}, 1455 {0x5b01, 0x10}, 1456 {0x5b02, 0x01}, 1457 {0x5b03, 0xdb}, 1458 {0x3d8c, 0x71}, 1459 {0x3d8d, 0xea}, 1460 {0x4017, 0x10}, 1461 {0x3618, 0x2a}, 1462 {0x5780, 0x3e}, 1463 {0x5781, 0x0f}, 1464 {0x5782, 0x44}, 1465 {0x5783, 0x02}, 1466 {0x5784, 0x01}, 1467 {0x5785, 0x01}, 1468 {0x5786, 0x00}, 1469 {0x5787, 0x04}, 1470 {0x5788, 0x02}, 1471 {0x5789, 0x0f}, 1472 {0x578a, 0xfd}, 1473 {0x578b, 0xf5}, 1474 {0x578c, 0xf5}, 1475 {0x578d, 0x03}, 1476 {0x578e, 0x08}, 1477 {0x578f, 0x0c}, 1478 {0x5790, 0x08}, 1479 {0x5791, 0x06}, 1480 {0x5792, 0x00}, 1481 {0x5793, 0x52}, 1482 {0x5794, 0xa3}, 1483 {0x3503, 0x00}, 1484 {0x5045, 0x05}, 1485 {0x4003, 0x40}, 1486 {0x5048, 0x40} 1487 }; 1488 1489 static const struct ov5670_reg mode_640x360_regs[] = { 1490 {0x3000, 0x00}, 1491 {0x3002, 0x21}, 1492 {0x3005, 0xf0}, 1493 {0x3007, 0x00}, 1494 {0x3015, 0x0f}, 1495 {0x3018, 0x32}, 1496 {0x301a, 0xf0}, 1497 {0x301b, 0xf0}, 1498 {0x301c, 0xf0}, 1499 {0x301d, 0xf0}, 1500 {0x301e, 0xf0}, 1501 {0x3030, 0x00}, 1502 {0x3031, 0x0a}, 1503 {0x303c, 0xff}, 1504 {0x303e, 0xff}, 1505 {0x3040, 0xf0}, 1506 {0x3041, 0x00}, 1507 {0x3042, 0xf0}, 1508 {0x3106, 0x11}, 1509 {0x3500, 0x00}, 1510 {0x3501, 0x80}, 1511 {0x3502, 0x00}, 1512 {0x3503, 0x04}, 1513 {0x3504, 0x03}, 1514 {0x3505, 0x83}, 1515 {0x3508, 0x04}, 1516 {0x3509, 0x00}, 1517 {0x350e, 0x04}, 1518 {0x350f, 0x00}, 1519 {0x3510, 0x00}, 1520 {0x3511, 0x02}, 1521 {0x3512, 0x00}, 1522 {0x3601, 0xc8}, 1523 {0x3610, 0x88}, 1524 {0x3612, 0x48}, 1525 {0x3614, 0x5b}, 1526 {0x3615, 0x96}, 1527 {0x3621, 0xd0}, 1528 {0x3622, 0x00}, 1529 {0x3623, 0x04}, 1530 {0x3633, 0x13}, 1531 {0x3634, 0x13}, 1532 {0x3635, 0x13}, 1533 {0x3636, 0x13}, 1534 {0x3645, 0x13}, 1535 {0x3646, 0x82}, 1536 {0x3650, 0x00}, 1537 {0x3652, 0xff}, 1538 {0x3655, 0x20}, 1539 {0x3656, 0xff}, 1540 {0x365a, 0xff}, 1541 {0x365e, 0xff}, 1542 {0x3668, 0x00}, 1543 {0x366a, 0x07}, 1544 {0x366e, 0x08}, 1545 {0x366d, 0x00}, 1546 {0x366f, 0x80}, 1547 {0x3700, 0x28}, 1548 {0x3701, 0x10}, 1549 {0x3702, 0x3a}, 1550 {0x3703, 0x19}, 1551 {0x3704, 0x10}, 1552 {0x3705, 0x00}, 1553 {0x3706, 0x66}, 1554 {0x3707, 0x08}, 1555 {0x3708, 0x34}, 1556 {0x3709, 0x40}, 1557 {0x370a, 0x01}, 1558 {0x370b, 0x1b}, 1559 {0x3714, 0x24}, 1560 {0x371a, 0x3e}, 1561 {0x3733, 0x00}, 1562 {0x3734, 0x00}, 1563 {0x373a, 0x05}, 1564 {0x373b, 0x06}, 1565 {0x373c, 0x0a}, 1566 {0x373f, 0xa0}, 1567 {0x3755, 0x00}, 1568 {0x3758, 0x00}, 1569 {0x375b, 0x0e}, 1570 {0x3766, 0x5f}, 1571 {0x3768, 0x00}, 1572 {0x3769, 0x22}, 1573 {0x3773, 0x08}, 1574 {0x3774, 0x1f}, 1575 {0x3776, 0x06}, 1576 {0x37a0, 0x88}, 1577 {0x37a1, 0x5c}, 1578 {0x37a7, 0x88}, 1579 {0x37a8, 0x70}, 1580 {0x37aa, 0x88}, 1581 {0x37ab, 0x48}, 1582 {0x37b3, 0x66}, 1583 {0x37c2, 0x04}, 1584 {0x37c5, 0x00}, 1585 {0x37c8, 0x00}, 1586 {0x3800, 0x00}, 1587 {0x3801, 0x0c}, 1588 {0x3802, 0x00}, 1589 {0x3803, 0x04}, 1590 {0x3804, 0x0a}, 1591 {0x3805, 0x33}, 1592 {0x3806, 0x07}, 1593 {0x3807, 0xa3}, 1594 {0x3808, 0x02}, 1595 {0x3809, 0x80}, 1596 {0x380a, 0x01}, 1597 {0x380b, 0x68}, 1598 {0x380c, 0x06}, 1599 {0x380d, 0x90}, 1600 {0x380e, 0x08}, 1601 {0x380f, 0x08}, 1602 {0x3811, 0x04}, 1603 {0x3813, 0x02}, 1604 {0x3814, 0x07}, 1605 {0x3815, 0x01}, 1606 {0x3816, 0x00}, 1607 {0x3817, 0x00}, 1608 {0x3818, 0x00}, 1609 {0x3819, 0x00}, 1610 {0x3820, 0x94}, 1611 {0x3821, 0xc6}, 1612 {0x3822, 0x48}, 1613 {0x3826, 0x00}, 1614 {0x3827, 0x08}, 1615 {0x382a, 0x07}, 1616 {0x382b, 0x01}, 1617 {0x3830, 0x08}, 1618 {0x3836, 0x02}, 1619 {0x3837, 0x00}, 1620 {0x3838, 0x10}, 1621 {0x3841, 0xff}, 1622 {0x3846, 0x48}, 1623 {0x3861, 0x00}, 1624 {0x3862, 0x04}, 1625 {0x3863, 0x06}, 1626 {0x3a11, 0x01}, 1627 {0x3a12, 0x78}, 1628 {0x3b00, 0x00}, 1629 {0x3b02, 0x00}, 1630 {0x3b03, 0x00}, 1631 {0x3b04, 0x00}, 1632 {0x3b05, 0x00}, 1633 {0x3c00, 0x89}, 1634 {0x3c01, 0xab}, 1635 {0x3c02, 0x01}, 1636 {0x3c03, 0x00}, 1637 {0x3c04, 0x00}, 1638 {0x3c05, 0x03}, 1639 {0x3c06, 0x00}, 1640 {0x3c07, 0x05}, 1641 {0x3c0c, 0x00}, 1642 {0x3c0d, 0x00}, 1643 {0x3c0e, 0x00}, 1644 {0x3c0f, 0x00}, 1645 {0x3c40, 0x00}, 1646 {0x3c41, 0xa3}, 1647 {0x3c43, 0x7d}, 1648 {0x3c45, 0xd7}, 1649 {0x3c47, 0xfc}, 1650 {0x3c50, 0x05}, 1651 {0x3c52, 0xaa}, 1652 {0x3c54, 0x71}, 1653 {0x3c56, 0x80}, 1654 {0x3d85, 0x17}, 1655 {0x3f03, 0x00}, 1656 {0x3f0a, 0x00}, 1657 {0x3f0b, 0x00}, 1658 {0x4001, 0x60}, 1659 {0x4009, 0x05}, 1660 {0x4020, 0x00}, 1661 {0x4021, 0x00}, 1662 {0x4022, 0x00}, 1663 {0x4023, 0x00}, 1664 {0x4024, 0x00}, 1665 {0x4025, 0x00}, 1666 {0x4026, 0x00}, 1667 {0x4027, 0x00}, 1668 {0x4028, 0x00}, 1669 {0x4029, 0x00}, 1670 {0x402a, 0x00}, 1671 {0x402b, 0x00}, 1672 {0x402c, 0x00}, 1673 {0x402d, 0x00}, 1674 {0x402e, 0x00}, 1675 {0x402f, 0x00}, 1676 {0x4040, 0x00}, 1677 {0x4041, 0x03}, 1678 {0x4042, 0x00}, 1679 {0x4043, 0x7A}, 1680 {0x4044, 0x00}, 1681 {0x4045, 0x7A}, 1682 {0x4046, 0x00}, 1683 {0x4047, 0x7A}, 1684 {0x4048, 0x00}, 1685 {0x4049, 0x7A}, 1686 {0x4307, 0x30}, 1687 {0x4500, 0x58}, 1688 {0x4501, 0x04}, 1689 {0x4502, 0x40}, 1690 {0x4503, 0x10}, 1691 {0x4508, 0x55}, 1692 {0x4509, 0x55}, 1693 {0x450a, 0x02}, 1694 {0x450b, 0x00}, 1695 {0x4600, 0x00}, 1696 {0x4601, 0x40}, 1697 {0x4700, 0xa4}, 1698 {0x4800, 0x4c}, 1699 {0x4816, 0x53}, 1700 {0x481f, 0x40}, 1701 {0x4837, 0x13}, 1702 {0x5000, 0x56}, 1703 {0x5001, 0x01}, 1704 {0x5002, 0x28}, 1705 {0x5004, 0x0c}, 1706 {0x5006, 0x0c}, 1707 {0x5007, 0xe0}, 1708 {0x5008, 0x01}, 1709 {0x5009, 0xb0}, 1710 {0x5901, 0x00}, 1711 {0x5a01, 0x00}, 1712 {0x5a03, 0x00}, 1713 {0x5a04, 0x0c}, 1714 {0x5a05, 0xe0}, 1715 {0x5a06, 0x09}, 1716 {0x5a07, 0xb0}, 1717 {0x5a08, 0x06}, 1718 {0x5e00, 0x00}, 1719 {0x3734, 0x40}, 1720 {0x5b00, 0x01}, 1721 {0x5b01, 0x10}, 1722 {0x5b02, 0x01}, 1723 {0x5b03, 0xdb}, 1724 {0x3d8c, 0x71}, 1725 {0x3d8d, 0xea}, 1726 {0x4017, 0x10}, 1727 {0x3618, 0x2a}, 1728 {0x5780, 0x3e}, 1729 {0x5781, 0x0f}, 1730 {0x5782, 0x44}, 1731 {0x5783, 0x02}, 1732 {0x5784, 0x01}, 1733 {0x5785, 0x01}, 1734 {0x5786, 0x00}, 1735 {0x5787, 0x04}, 1736 {0x5788, 0x02}, 1737 {0x5789, 0x0f}, 1738 {0x578a, 0xfd}, 1739 {0x578b, 0xf5}, 1740 {0x578c, 0xf5}, 1741 {0x578d, 0x03}, 1742 {0x578e, 0x08}, 1743 {0x578f, 0x0c}, 1744 {0x5790, 0x08}, 1745 {0x5791, 0x06}, 1746 {0x5792, 0x00}, 1747 {0x5793, 0x52}, 1748 {0x5794, 0xa3}, 1749 {0x3503, 0x00}, 1750 {0x5045, 0x05}, 1751 {0x4003, 0x40}, 1752 {0x5048, 0x40} 1753 }; 1754 1755 static const char * const ov5670_test_pattern_menu[] = { 1756 "Disabled", 1757 "Vertical Color Bar Type 1", 1758 }; 1759 1760 /* Supported link frequencies */ 1761 #define OV5670_LINK_FREQ_422MHZ 422400000 1762 #define OV5670_LINK_FREQ_422MHZ_INDEX 0 1763 static const struct ov5670_link_freq_config link_freq_configs[] = { 1764 { 1765 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ 1766 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10, 1767 .reg_list = { 1768 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps), 1769 .regs = mipi_data_rate_840mbps, 1770 } 1771 } 1772 }; 1773 1774 static const s64 link_freq_menu_items[] = { 1775 OV5670_LINK_FREQ_422MHZ 1776 }; 1777 1778 /* 1779 * OV5670 sensor supports following resolutions with full FOV: 1780 * 4:3 ==> {2592x1944, 1296x972, 648x486} 1781 * 16:9 ==> {2560x1440, 1280x720, 640x360} 1782 */ 1783 static const struct ov5670_mode supported_modes[] = { 1784 { 1785 .width = 2592, 1786 .height = 1944, 1787 .vts_def = OV5670_VTS_30FPS, 1788 .vts_min = OV5670_VTS_30FPS, 1789 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1790 .analog_crop = &ov5670_analog_crop, 1791 .reg_list = { 1792 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs), 1793 .regs = mode_2592x1944_regs, 1794 }, 1795 }, 1796 { 1797 .width = 1296, 1798 .height = 972, 1799 .vts_def = OV5670_VTS_30FPS, 1800 .vts_min = 996, 1801 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1802 .analog_crop = &ov5670_analog_crop, 1803 .reg_list = { 1804 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs), 1805 .regs = mode_1296x972_regs, 1806 }, 1807 }, 1808 { 1809 .width = 648, 1810 .height = 486, 1811 .vts_def = OV5670_VTS_30FPS, 1812 .vts_min = 516, 1813 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1814 .analog_crop = &ov5670_analog_crop, 1815 .reg_list = { 1816 .num_of_regs = ARRAY_SIZE(mode_648x486_regs), 1817 .regs = mode_648x486_regs, 1818 }, 1819 }, 1820 { 1821 .width = 2560, 1822 .height = 1440, 1823 .vts_def = OV5670_VTS_30FPS, 1824 .vts_min = OV5670_VTS_30FPS, 1825 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1826 .analog_crop = &ov5670_analog_crop, 1827 .reg_list = { 1828 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs), 1829 .regs = mode_2560x1440_regs, 1830 }, 1831 }, 1832 { 1833 .width = 1280, 1834 .height = 720, 1835 .vts_def = OV5670_VTS_30FPS, 1836 .vts_min = 1020, 1837 1838 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1839 .analog_crop = &ov5670_analog_crop, 1840 .reg_list = { 1841 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), 1842 .regs = mode_1280x720_regs, 1843 }, 1844 }, 1845 { 1846 .width = 640, 1847 .height = 360, 1848 .vts_def = OV5670_VTS_30FPS, 1849 .vts_min = 510, 1850 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1851 .analog_crop = &ov5670_analog_crop, 1852 .reg_list = { 1853 .num_of_regs = ARRAY_SIZE(mode_640x360_regs), 1854 .regs = mode_640x360_regs, 1855 }, 1856 } 1857 }; 1858 1859 struct ov5670 { 1860 struct v4l2_subdev sd; 1861 struct media_pad pad; 1862 1863 struct v4l2_ctrl_handler ctrl_handler; 1864 /* V4L2 Controls */ 1865 struct v4l2_ctrl *link_freq; 1866 struct v4l2_ctrl *pixel_rate; 1867 struct v4l2_ctrl *vblank; 1868 struct v4l2_ctrl *hblank; 1869 struct v4l2_ctrl *exposure; 1870 1871 /* Current mode */ 1872 const struct ov5670_mode *cur_mode; 1873 1874 /* xvclk input clock */ 1875 struct clk *xvclk; 1876 1877 /* Regulators */ 1878 struct regulator_bulk_data supplies[OV5670_NUM_SUPPLIES]; 1879 1880 /* Power-down and reset gpios. */ 1881 struct gpio_desc *pwdn_gpio; /* PWDNB pin. */ 1882 struct gpio_desc *reset_gpio; /* XSHUTDOWN pin. */ 1883 1884 /* To serialize asynchronus callbacks */ 1885 struct mutex mutex; 1886 1887 /* Streaming on/off */ 1888 bool streaming; 1889 /* True if the device has been identified */ 1890 bool identified; 1891 }; 1892 1893 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd) 1894 1895 /* Read registers up to 4 at a time */ 1896 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1897 u32 *val) 1898 { 1899 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1900 struct i2c_msg msgs[2]; 1901 u8 *data_be_p; 1902 __be32 data_be = 0; 1903 __be16 reg_addr_be = cpu_to_be16(reg); 1904 int ret; 1905 1906 if (len > 4) 1907 return -EINVAL; 1908 1909 data_be_p = (u8 *)&data_be; 1910 /* Write register address */ 1911 msgs[0].addr = client->addr; 1912 msgs[0].flags = 0; 1913 msgs[0].len = 2; 1914 msgs[0].buf = (u8 *)®_addr_be; 1915 1916 /* Read data from register */ 1917 msgs[1].addr = client->addr; 1918 msgs[1].flags = I2C_M_RD; 1919 msgs[1].len = len; 1920 msgs[1].buf = &data_be_p[4 - len]; 1921 1922 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 1923 if (ret != ARRAY_SIZE(msgs)) 1924 return -EIO; 1925 1926 *val = be32_to_cpu(data_be); 1927 1928 return 0; 1929 } 1930 1931 /* Write registers up to 4 at a time */ 1932 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1933 u32 val) 1934 { 1935 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1936 int buf_i; 1937 int val_i; 1938 u8 buf[6]; 1939 u8 *val_p; 1940 __be32 tmp; 1941 1942 if (len > 4) 1943 return -EINVAL; 1944 1945 buf[0] = reg >> 8; 1946 buf[1] = reg & 0xff; 1947 1948 tmp = cpu_to_be32(val); 1949 val_p = (u8 *)&tmp; 1950 buf_i = 2; 1951 val_i = 4 - len; 1952 1953 while (val_i < 4) 1954 buf[buf_i++] = val_p[val_i++]; 1955 1956 if (i2c_master_send(client, buf, len + 2) != len + 2) 1957 return -EIO; 1958 1959 return 0; 1960 } 1961 1962 /* Write a list of registers */ 1963 static int ov5670_write_regs(struct ov5670 *ov5670, 1964 const struct ov5670_reg *regs, unsigned int len) 1965 { 1966 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1967 unsigned int i; 1968 int ret; 1969 1970 for (i = 0; i < len; i++) { 1971 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val); 1972 if (ret) { 1973 dev_err_ratelimited( 1974 &client->dev, 1975 "Failed to write reg 0x%4.4x. error = %d\n", 1976 regs[i].address, ret); 1977 1978 return ret; 1979 } 1980 } 1981 1982 return 0; 1983 } 1984 1985 static int ov5670_write_reg_list(struct ov5670 *ov5670, 1986 const struct ov5670_reg_list *r_list) 1987 { 1988 return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs); 1989 } 1990 1991 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain) 1992 { 1993 int ret; 1994 1995 ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN, 1996 OV5670_REG_VALUE_16BIT, d_gain); 1997 if (ret) 1998 return ret; 1999 2000 ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN, 2001 OV5670_REG_VALUE_16BIT, d_gain); 2002 if (ret) 2003 return ret; 2004 2005 return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN, 2006 OV5670_REG_VALUE_16BIT, d_gain); 2007 } 2008 2009 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern) 2010 { 2011 u32 val; 2012 int ret; 2013 2014 /* Set the bayer order that we support */ 2015 ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL, 2016 OV5670_REG_VALUE_08BIT, 0); 2017 if (ret) 2018 return ret; 2019 2020 ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN, 2021 OV5670_REG_VALUE_08BIT, &val); 2022 if (ret) 2023 return ret; 2024 2025 if (pattern) 2026 val |= OV5670_TEST_PATTERN_ENABLE; 2027 else 2028 val &= ~OV5670_TEST_PATTERN_ENABLE; 2029 2030 return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN, 2031 OV5670_REG_VALUE_08BIT, val); 2032 } 2033 2034 /* Initialize control handlers */ 2035 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl) 2036 { 2037 struct ov5670 *ov5670 = container_of(ctrl->handler, 2038 struct ov5670, ctrl_handler); 2039 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2040 s64 max; 2041 int ret; 2042 2043 /* Propagate change of current control to all related controls */ 2044 switch (ctrl->id) { 2045 case V4L2_CID_VBLANK: 2046 /* Update max exposure while meeting expected vblanking */ 2047 max = ov5670->cur_mode->height + ctrl->val - 8; 2048 __v4l2_ctrl_modify_range(ov5670->exposure, 2049 ov5670->exposure->minimum, max, 2050 ov5670->exposure->step, max); 2051 break; 2052 } 2053 2054 /* V4L2 controls values will be applied only when power is already up */ 2055 if (!pm_runtime_get_if_in_use(&client->dev)) 2056 return 0; 2057 2058 switch (ctrl->id) { 2059 case V4L2_CID_ANALOGUE_GAIN: 2060 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN, 2061 OV5670_REG_VALUE_16BIT, ctrl->val); 2062 break; 2063 case V4L2_CID_DIGITAL_GAIN: 2064 ret = ov5670_update_digital_gain(ov5670, ctrl->val); 2065 break; 2066 case V4L2_CID_EXPOSURE: 2067 /* 4 least significant bits of expsoure are fractional part */ 2068 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE, 2069 OV5670_REG_VALUE_24BIT, ctrl->val << 4); 2070 break; 2071 case V4L2_CID_VBLANK: 2072 /* Update VTS that meets expected vertical blanking */ 2073 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS, 2074 OV5670_REG_VALUE_16BIT, 2075 ov5670->cur_mode->height + ctrl->val); 2076 break; 2077 case V4L2_CID_TEST_PATTERN: 2078 ret = ov5670_enable_test_pattern(ov5670, ctrl->val); 2079 break; 2080 case V4L2_CID_HBLANK: 2081 case V4L2_CID_LINK_FREQ: 2082 case V4L2_CID_PIXEL_RATE: 2083 ret = 0; 2084 break; 2085 default: 2086 ret = -EINVAL; 2087 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", 2088 __func__, ctrl->id, ctrl->val); 2089 break; 2090 } 2091 2092 pm_runtime_put(&client->dev); 2093 2094 return ret; 2095 } 2096 2097 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = { 2098 .s_ctrl = ov5670_set_ctrl, 2099 }; 2100 2101 /* Initialize control handlers */ 2102 static int ov5670_init_controls(struct ov5670 *ov5670) 2103 { 2104 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2105 struct v4l2_fwnode_device_properties props; 2106 struct v4l2_ctrl_handler *ctrl_hdlr; 2107 s64 vblank_max; 2108 s64 vblank_def; 2109 s64 vblank_min; 2110 s64 exposure_max; 2111 int ret; 2112 2113 ctrl_hdlr = &ov5670->ctrl_handler; 2114 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); 2115 if (ret) 2116 return ret; 2117 2118 ctrl_hdlr->lock = &ov5670->mutex; 2119 ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, 2120 &ov5670_ctrl_ops, 2121 V4L2_CID_LINK_FREQ, 2122 0, 0, link_freq_menu_items); 2123 if (ov5670->link_freq) 2124 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 2125 2126 /* By default, V4L2_CID_PIXEL_RATE is read only */ 2127 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2128 V4L2_CID_PIXEL_RATE, 2129 link_freq_configs[0].pixel_rate, 2130 link_freq_configs[0].pixel_rate, 2131 1, 2132 link_freq_configs[0].pixel_rate); 2133 2134 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height; 2135 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height; 2136 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height; 2137 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2138 V4L2_CID_VBLANK, vblank_min, 2139 vblank_max, 1, vblank_def); 2140 2141 ov5670->hblank = v4l2_ctrl_new_std( 2142 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK, 2143 OV5670_FIXED_PPL - ov5670->cur_mode->width, 2144 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1, 2145 OV5670_FIXED_PPL - ov5670->cur_mode->width); 2146 if (ov5670->hblank) 2147 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 2148 2149 /* Get min, max, step, default from sensor */ 2150 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 2151 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, 2152 ANALOG_GAIN_DEFAULT); 2153 2154 /* Digital gain */ 2155 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 2156 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX, 2157 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT); 2158 2159 /* Get min, max, step, default from sensor */ 2160 exposure_max = ov5670->cur_mode->vts_def - 8; 2161 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2162 V4L2_CID_EXPOSURE, 2163 OV5670_EXPOSURE_MIN, 2164 exposure_max, OV5670_EXPOSURE_STEP, 2165 exposure_max); 2166 2167 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops, 2168 V4L2_CID_TEST_PATTERN, 2169 ARRAY_SIZE(ov5670_test_pattern_menu) - 1, 2170 0, 0, ov5670_test_pattern_menu); 2171 2172 if (ctrl_hdlr->error) { 2173 ret = ctrl_hdlr->error; 2174 goto error; 2175 } 2176 2177 ret = v4l2_fwnode_device_parse(&client->dev, &props); 2178 if (ret) 2179 goto error; 2180 2181 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops, 2182 &props); 2183 if (ret) 2184 goto error; 2185 2186 ov5670->sd.ctrl_handler = ctrl_hdlr; 2187 2188 return 0; 2189 2190 error: 2191 v4l2_ctrl_handler_free(ctrl_hdlr); 2192 2193 return ret; 2194 } 2195 2196 static int ov5670_init_cfg(struct v4l2_subdev *sd, 2197 struct v4l2_subdev_state *state) 2198 { 2199 struct v4l2_mbus_framefmt *fmt = 2200 v4l2_subdev_get_try_format(sd, state, 0); 2201 const struct ov5670_mode *default_mode = &supported_modes[0]; 2202 struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, state, 0); 2203 2204 fmt->width = default_mode->width; 2205 fmt->height = default_mode->height; 2206 fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2207 fmt->field = V4L2_FIELD_NONE; 2208 fmt->colorspace = V4L2_COLORSPACE_SRGB; 2209 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB); 2210 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2211 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB); 2212 2213 *crop = *default_mode->analog_crop; 2214 2215 return 0; 2216 } 2217 2218 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd, 2219 struct v4l2_subdev_state *sd_state, 2220 struct v4l2_subdev_mbus_code_enum *code) 2221 { 2222 /* Only one bayer order GRBG is supported */ 2223 if (code->index > 0) 2224 return -EINVAL; 2225 2226 code->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2227 2228 return 0; 2229 } 2230 2231 static int ov5670_enum_frame_size(struct v4l2_subdev *sd, 2232 struct v4l2_subdev_state *sd_state, 2233 struct v4l2_subdev_frame_size_enum *fse) 2234 { 2235 if (fse->index >= ARRAY_SIZE(supported_modes)) 2236 return -EINVAL; 2237 2238 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) 2239 return -EINVAL; 2240 2241 fse->min_width = supported_modes[fse->index].width; 2242 fse->max_width = fse->min_width; 2243 fse->min_height = supported_modes[fse->index].height; 2244 fse->max_height = fse->min_height; 2245 2246 return 0; 2247 } 2248 2249 static void ov5670_update_pad_format(const struct ov5670_mode *mode, 2250 struct v4l2_subdev_format *fmt) 2251 { 2252 fmt->format.width = mode->width; 2253 fmt->format.height = mode->height; 2254 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2255 fmt->format.field = V4L2_FIELD_NONE; 2256 } 2257 2258 static int ov5670_do_get_pad_format(struct ov5670 *ov5670, 2259 struct v4l2_subdev_state *sd_state, 2260 struct v4l2_subdev_format *fmt) 2261 { 2262 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) 2263 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, 2264 sd_state, 2265 fmt->pad); 2266 else 2267 ov5670_update_pad_format(ov5670->cur_mode, fmt); 2268 2269 return 0; 2270 } 2271 2272 static int ov5670_get_pad_format(struct v4l2_subdev *sd, 2273 struct v4l2_subdev_state *sd_state, 2274 struct v4l2_subdev_format *fmt) 2275 { 2276 struct ov5670 *ov5670 = to_ov5670(sd); 2277 int ret; 2278 2279 mutex_lock(&ov5670->mutex); 2280 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt); 2281 mutex_unlock(&ov5670->mutex); 2282 2283 return ret; 2284 } 2285 2286 static int ov5670_set_pad_format(struct v4l2_subdev *sd, 2287 struct v4l2_subdev_state *sd_state, 2288 struct v4l2_subdev_format *fmt) 2289 { 2290 struct ov5670 *ov5670 = to_ov5670(sd); 2291 const struct ov5670_mode *mode; 2292 s32 vblank_def; 2293 s32 h_blank; 2294 2295 mutex_lock(&ov5670->mutex); 2296 2297 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2298 2299 mode = v4l2_find_nearest_size(supported_modes, 2300 ARRAY_SIZE(supported_modes), 2301 width, height, 2302 fmt->format.width, fmt->format.height); 2303 ov5670_update_pad_format(mode, fmt); 2304 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 2305 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format; 2306 } else { 2307 ov5670->cur_mode = mode; 2308 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index); 2309 __v4l2_ctrl_s_ctrl_int64( 2310 ov5670->pixel_rate, 2311 link_freq_configs[mode->link_freq_index].pixel_rate); 2312 /* Update limits and set FPS to default */ 2313 vblank_def = ov5670->cur_mode->vts_def - 2314 ov5670->cur_mode->height; 2315 __v4l2_ctrl_modify_range( 2316 ov5670->vblank, 2317 ov5670->cur_mode->vts_min - ov5670->cur_mode->height, 2318 OV5670_VTS_MAX - ov5670->cur_mode->height, 1, 2319 vblank_def); 2320 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def); 2321 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width; 2322 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1, 2323 h_blank); 2324 } 2325 2326 mutex_unlock(&ov5670->mutex); 2327 2328 return 0; 2329 } 2330 2331 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames) 2332 { 2333 *frames = OV5670_NUM_OF_SKIP_FRAMES; 2334 2335 return 0; 2336 } 2337 2338 /* Verify chip ID */ 2339 static int ov5670_identify_module(struct ov5670 *ov5670) 2340 { 2341 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2342 int ret; 2343 u32 val; 2344 2345 if (ov5670->identified) 2346 return 0; 2347 2348 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID, 2349 OV5670_REG_VALUE_24BIT, &val); 2350 if (ret) 2351 return ret; 2352 2353 if (val != OV5670_CHIP_ID) { 2354 dev_err(&client->dev, "chip id mismatch: %x!=%x\n", 2355 OV5670_CHIP_ID, val); 2356 return -ENXIO; 2357 } 2358 2359 ov5670->identified = true; 2360 2361 return 0; 2362 } 2363 2364 /* Prepare streaming by writing default values and customized values */ 2365 static int ov5670_start_streaming(struct ov5670 *ov5670) 2366 { 2367 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2368 const struct ov5670_reg_list *reg_list; 2369 int link_freq_index; 2370 int ret; 2371 2372 ret = ov5670_identify_module(ov5670); 2373 if (ret) 2374 return ret; 2375 2376 /* Get out of from software reset */ 2377 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST, 2378 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST); 2379 if (ret) { 2380 dev_err(&client->dev, "%s failed to set powerup registers\n", 2381 __func__); 2382 return ret; 2383 } 2384 2385 /* Setup PLL */ 2386 link_freq_index = ov5670->cur_mode->link_freq_index; 2387 reg_list = &link_freq_configs[link_freq_index].reg_list; 2388 ret = ov5670_write_reg_list(ov5670, reg_list); 2389 if (ret) { 2390 dev_err(&client->dev, "%s failed to set plls\n", __func__); 2391 return ret; 2392 } 2393 2394 /* Apply default values of current mode */ 2395 reg_list = &ov5670->cur_mode->reg_list; 2396 ret = ov5670_write_reg_list(ov5670, reg_list); 2397 if (ret) { 2398 dev_err(&client->dev, "%s failed to set mode\n", __func__); 2399 return ret; 2400 } 2401 2402 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler); 2403 if (ret) 2404 return ret; 2405 2406 /* Write stream on list */ 2407 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2408 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING); 2409 if (ret) { 2410 dev_err(&client->dev, "%s failed to set stream\n", __func__); 2411 return ret; 2412 } 2413 2414 return 0; 2415 } 2416 2417 static int ov5670_stop_streaming(struct ov5670 *ov5670) 2418 { 2419 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2420 int ret; 2421 2422 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2423 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY); 2424 if (ret) 2425 dev_err(&client->dev, "%s failed to set stream\n", __func__); 2426 2427 /* Return success even if it was an error, as there is nothing the 2428 * caller can do about it. 2429 */ 2430 return 0; 2431 } 2432 2433 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable) 2434 { 2435 struct ov5670 *ov5670 = to_ov5670(sd); 2436 struct i2c_client *client = v4l2_get_subdevdata(sd); 2437 int ret = 0; 2438 2439 mutex_lock(&ov5670->mutex); 2440 if (ov5670->streaming == enable) 2441 goto unlock_and_return; 2442 2443 if (enable) { 2444 ret = pm_runtime_resume_and_get(&client->dev); 2445 if (ret < 0) 2446 goto unlock_and_return; 2447 2448 ret = ov5670_start_streaming(ov5670); 2449 if (ret) 2450 goto error; 2451 } else { 2452 ret = ov5670_stop_streaming(ov5670); 2453 pm_runtime_put(&client->dev); 2454 } 2455 ov5670->streaming = enable; 2456 goto unlock_and_return; 2457 2458 error: 2459 pm_runtime_put(&client->dev); 2460 2461 unlock_and_return: 2462 mutex_unlock(&ov5670->mutex); 2463 2464 return ret; 2465 } 2466 2467 static int __maybe_unused ov5670_runtime_resume(struct device *dev) 2468 { 2469 struct i2c_client *client = to_i2c_client(dev); 2470 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2471 struct ov5670 *ov5670 = to_ov5670(sd); 2472 unsigned long delay_us; 2473 int ret; 2474 2475 ret = clk_prepare_enable(ov5670->xvclk); 2476 if (ret) 2477 return ret; 2478 2479 ret = regulator_bulk_enable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2480 if (ret) { 2481 clk_disable_unprepare(ov5670->xvclk); 2482 return ret; 2483 } 2484 2485 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 0); 2486 gpiod_set_value_cansleep(ov5670->reset_gpio, 0); 2487 2488 /* 8192 * 2 clock pulses before the first SCCB transaction. */ 2489 delay_us = DIV_ROUND_UP(8192 * 2 * 1000, 2490 DIV_ROUND_UP(OV5670_XVCLK_FREQ, 1000)); 2491 fsleep(delay_us); 2492 2493 return 0; 2494 } 2495 2496 static int __maybe_unused ov5670_runtime_suspend(struct device *dev) 2497 { 2498 struct i2c_client *client = to_i2c_client(dev); 2499 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2500 struct ov5670 *ov5670 = to_ov5670(sd); 2501 2502 gpiod_set_value_cansleep(ov5670->reset_gpio, 1); 2503 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 1); 2504 regulator_bulk_disable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2505 clk_disable_unprepare(ov5670->xvclk); 2506 2507 return 0; 2508 } 2509 2510 static int __maybe_unused ov5670_suspend(struct device *dev) 2511 { 2512 struct v4l2_subdev *sd = dev_get_drvdata(dev); 2513 struct ov5670 *ov5670 = to_ov5670(sd); 2514 2515 if (ov5670->streaming) 2516 ov5670_stop_streaming(ov5670); 2517 2518 return 0; 2519 } 2520 2521 static int __maybe_unused ov5670_resume(struct device *dev) 2522 { 2523 struct v4l2_subdev *sd = dev_get_drvdata(dev); 2524 struct ov5670 *ov5670 = to_ov5670(sd); 2525 int ret; 2526 2527 if (ov5670->streaming) { 2528 ret = ov5670_start_streaming(ov5670); 2529 if (ret) { 2530 ov5670_stop_streaming(ov5670); 2531 return ret; 2532 } 2533 } 2534 2535 return 0; 2536 } 2537 2538 static const struct v4l2_subdev_core_ops ov5670_core_ops = { 2539 .log_status = v4l2_ctrl_subdev_log_status, 2540 .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 2541 .unsubscribe_event = v4l2_event_subdev_unsubscribe, 2542 }; 2543 2544 static const struct v4l2_rect * 2545 __ov5670_get_pad_crop(struct ov5670 *sensor, struct v4l2_subdev_state *state, 2546 unsigned int pad, enum v4l2_subdev_format_whence which) 2547 { 2548 const struct ov5670_mode *mode = sensor->cur_mode; 2549 2550 switch (which) { 2551 case V4L2_SUBDEV_FORMAT_TRY: 2552 return v4l2_subdev_get_try_crop(&sensor->sd, state, pad); 2553 case V4L2_SUBDEV_FORMAT_ACTIVE: 2554 return mode->analog_crop; 2555 } 2556 2557 return NULL; 2558 } 2559 2560 static int ov5670_get_selection(struct v4l2_subdev *subdev, 2561 struct v4l2_subdev_state *state, 2562 struct v4l2_subdev_selection *sel) 2563 { 2564 struct ov5670 *sensor = to_ov5670(subdev); 2565 2566 switch (sel->target) { 2567 case V4L2_SEL_TGT_CROP: 2568 mutex_lock(&sensor->mutex); 2569 sel->r = *__ov5670_get_pad_crop(sensor, state, sel->pad, 2570 sel->which); 2571 mutex_unlock(&sensor->mutex); 2572 break; 2573 case V4L2_SEL_TGT_NATIVE_SIZE: 2574 case V4L2_SEL_TGT_CROP_BOUNDS: 2575 sel->r.top = 0; 2576 sel->r.left = 0; 2577 sel->r.width = OV5670_NATIVE_WIDTH; 2578 sel->r.height = OV5670_NATIVE_HEIGHT; 2579 break; 2580 case V4L2_SEL_TGT_CROP_DEFAULT: 2581 sel->r = ov5670_analog_crop; 2582 break; 2583 default: 2584 return -EINVAL; 2585 } 2586 2587 return 0; 2588 } 2589 2590 static const struct v4l2_subdev_video_ops ov5670_video_ops = { 2591 .s_stream = ov5670_set_stream, 2592 }; 2593 2594 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = { 2595 .init_cfg = ov5670_init_cfg, 2596 .enum_mbus_code = ov5670_enum_mbus_code, 2597 .get_fmt = ov5670_get_pad_format, 2598 .set_fmt = ov5670_set_pad_format, 2599 .enum_frame_size = ov5670_enum_frame_size, 2600 .get_selection = ov5670_get_selection, 2601 .set_selection = ov5670_get_selection, 2602 }; 2603 2604 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = { 2605 .g_skip_frames = ov5670_get_skip_frames, 2606 }; 2607 2608 static const struct v4l2_subdev_ops ov5670_subdev_ops = { 2609 .core = &ov5670_core_ops, 2610 .video = &ov5670_video_ops, 2611 .pad = &ov5670_pad_ops, 2612 .sensor = &ov5670_sensor_ops, 2613 }; 2614 2615 static const struct media_entity_operations ov5670_subdev_entity_ops = { 2616 .link_validate = v4l2_subdev_link_validate, 2617 }; 2618 2619 static int ov5670_regulators_probe(struct ov5670 *ov5670) 2620 { 2621 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2622 unsigned int i; 2623 2624 for (i = 0; i < OV5670_NUM_SUPPLIES; i++) 2625 ov5670->supplies[i].supply = ov5670_supply_names[i]; 2626 2627 return devm_regulator_bulk_get(&client->dev, OV5670_NUM_SUPPLIES, 2628 ov5670->supplies); 2629 } 2630 2631 static int ov5670_gpio_probe(struct ov5670 *ov5670) 2632 { 2633 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2634 2635 ov5670->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown", 2636 GPIOD_OUT_LOW); 2637 if (IS_ERR(ov5670->pwdn_gpio)) 2638 return PTR_ERR(ov5670->pwdn_gpio); 2639 2640 ov5670->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", 2641 GPIOD_OUT_LOW); 2642 if (IS_ERR(ov5670->reset_gpio)) 2643 return PTR_ERR(ov5670->reset_gpio); 2644 2645 return 0; 2646 } 2647 2648 static int ov5670_probe(struct i2c_client *client) 2649 { 2650 struct ov5670 *ov5670; 2651 const char *err_msg; 2652 u32 input_clk = 0; 2653 bool full_power; 2654 int ret; 2655 2656 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL); 2657 if (!ov5670) { 2658 ret = -ENOMEM; 2659 err_msg = "devm_kzalloc() error"; 2660 goto error_print; 2661 } 2662 2663 ov5670->xvclk = devm_clk_get(&client->dev, NULL); 2664 if (!IS_ERR_OR_NULL(ov5670->xvclk)) 2665 input_clk = clk_get_rate(ov5670->xvclk); 2666 else if (PTR_ERR(ov5670->xvclk) == -ENOENT) 2667 device_property_read_u32(&client->dev, "clock-frequency", 2668 &input_clk); 2669 else 2670 return dev_err_probe(&client->dev, PTR_ERR(ov5670->xvclk), 2671 "error getting clock\n"); 2672 2673 if (input_clk != OV5670_XVCLK_FREQ) { 2674 dev_err(&client->dev, 2675 "Unsupported clock frequency %u\n", input_clk); 2676 return -EINVAL; 2677 } 2678 2679 /* Initialize subdev */ 2680 v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops); 2681 2682 ret = ov5670_regulators_probe(ov5670); 2683 if (ret) { 2684 err_msg = "Regulators probe failed"; 2685 goto error_print; 2686 } 2687 2688 ret = ov5670_gpio_probe(ov5670); 2689 if (ret) { 2690 err_msg = "GPIO probe failed"; 2691 goto error_print; 2692 } 2693 2694 full_power = acpi_dev_state_d0(&client->dev); 2695 if (full_power) { 2696 ret = ov5670_runtime_resume(&client->dev); 2697 if (ret) { 2698 err_msg = "Power up failed"; 2699 goto error_print; 2700 } 2701 2702 /* Check module identity */ 2703 ret = ov5670_identify_module(ov5670); 2704 if (ret) { 2705 err_msg = "ov5670_identify_module() error"; 2706 goto error_power_off; 2707 } 2708 } 2709 2710 mutex_init(&ov5670->mutex); 2711 2712 /* Set default mode to max resolution */ 2713 ov5670->cur_mode = &supported_modes[0]; 2714 2715 ret = ov5670_init_controls(ov5670); 2716 if (ret) { 2717 err_msg = "ov5670_init_controls() error"; 2718 goto error_mutex_destroy; 2719 } 2720 2721 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 2722 V4L2_SUBDEV_FL_HAS_EVENTS; 2723 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops; 2724 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2725 2726 /* Source pad initialization */ 2727 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE; 2728 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad); 2729 if (ret) { 2730 err_msg = "media_entity_pads_init() error"; 2731 goto error_handler_free; 2732 } 2733 2734 ov5670->streaming = false; 2735 2736 /* Set the device's state to active if it's in D0 state. */ 2737 if (full_power) 2738 pm_runtime_set_active(&client->dev); 2739 pm_runtime_enable(&client->dev); 2740 2741 /* Async register for subdev */ 2742 ret = v4l2_async_register_subdev_sensor(&ov5670->sd); 2743 if (ret < 0) { 2744 err_msg = "v4l2_async_register_subdev() error"; 2745 goto error_pm_disable; 2746 } 2747 2748 pm_runtime_idle(&client->dev); 2749 2750 return 0; 2751 2752 error_pm_disable: 2753 pm_runtime_disable(&client->dev); 2754 2755 media_entity_cleanup(&ov5670->sd.entity); 2756 2757 error_handler_free: 2758 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler); 2759 2760 error_mutex_destroy: 2761 mutex_destroy(&ov5670->mutex); 2762 2763 error_power_off: 2764 if (full_power) 2765 ov5670_runtime_suspend(&client->dev); 2766 2767 error_print: 2768 dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret); 2769 2770 return ret; 2771 } 2772 2773 static void ov5670_remove(struct i2c_client *client) 2774 { 2775 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2776 struct ov5670 *ov5670 = to_ov5670(sd); 2777 2778 v4l2_async_unregister_subdev(sd); 2779 media_entity_cleanup(&sd->entity); 2780 v4l2_ctrl_handler_free(sd->ctrl_handler); 2781 mutex_destroy(&ov5670->mutex); 2782 2783 pm_runtime_disable(&client->dev); 2784 ov5670_runtime_suspend(&client->dev); 2785 } 2786 2787 static const struct dev_pm_ops ov5670_pm_ops = { 2788 SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume) 2789 SET_RUNTIME_PM_OPS(ov5670_runtime_suspend, ov5670_runtime_resume, NULL) 2790 }; 2791 2792 #ifdef CONFIG_ACPI 2793 static const struct acpi_device_id ov5670_acpi_ids[] = { 2794 { "INT3479" }, 2795 { /* sentinel */ } 2796 }; 2797 2798 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids); 2799 #endif 2800 2801 static const struct of_device_id ov5670_of_ids[] = { 2802 { .compatible = "ovti,ov5670" }, 2803 { /* sentinel */ } 2804 }; 2805 MODULE_DEVICE_TABLE(of, ov5670_of_ids); 2806 2807 static struct i2c_driver ov5670_i2c_driver = { 2808 .driver = { 2809 .name = "ov5670", 2810 .pm = &ov5670_pm_ops, 2811 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids), 2812 .of_match_table = ov5670_of_ids, 2813 }, 2814 .probe_new = ov5670_probe, 2815 .remove = ov5670_remove, 2816 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE, 2817 }; 2818 2819 module_i2c_driver(ov5670_i2c_driver); 2820 2821 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>"); 2822 MODULE_AUTHOR("Yang, Hyungwoo"); 2823 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver"); 2824 MODULE_LICENSE("GPL v2"); 2825