1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2017 Intel Corporation. 3 4 #include <linux/acpi.h> 5 #include <linux/clk.h> 6 #include <linux/delay.h> 7 #include <linux/gpio/consumer.h> 8 #include <linux/i2c.h> 9 #include <linux/mod_devicetable.h> 10 #include <linux/module.h> 11 #include <linux/of.h> 12 #include <linux/pm_runtime.h> 13 #include <linux/regulator/consumer.h> 14 #include <linux/unaligned.h> 15 16 #include <media/v4l2-ctrls.h> 17 #include <media/v4l2-device.h> 18 #include <media/v4l2-event.h> 19 #include <media/v4l2-fwnode.h> 20 21 #define OV5670_XVCLK_FREQ 19200000 22 23 #define OV5670_REG_CHIP_ID 0x300a 24 #define OV5670_CHIP_ID 0x005670 25 26 #define OV5670_REG_MODE_SELECT 0x0100 27 #define OV5670_MODE_STANDBY 0x00 28 #define OV5670_MODE_STREAMING 0x01 29 30 #define OV5670_REG_SOFTWARE_RST 0x0103 31 #define OV5670_SOFTWARE_RST 0x01 32 33 #define OV5670_MIPI_SC_CTRL0_REG 0x3018 34 #define OV5670_MIPI_SC_CTRL0_LANES(v) ((((v) - 1) << 5) & \ 35 GENMASK(7, 5)) 36 #define OV5670_MIPI_SC_CTRL0_MIPI_EN BIT(4) 37 #define OV5670_MIPI_SC_CTRL0_RESERVED BIT(1) 38 39 /* vertical-timings from sensor */ 40 #define OV5670_REG_VTS 0x380e 41 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */ 42 #define OV5670_VTS_MAX 0xffff 43 44 /* horizontal-timings from sensor */ 45 #define OV5670_REG_HTS 0x380c 46 47 /* 48 * Pixels-per-line(PPL) = Time-per-line * pixel-rate 49 * In OV5670, Time-per-line = HTS/SCLK. 50 * HTS is fixed for all resolutions, not recommended to change. 51 */ 52 #define OV5670_FIXED_PPL 2724 /* Pixels per line */ 53 54 /* Exposure controls from sensor */ 55 #define OV5670_REG_EXPOSURE 0x3500 56 #define OV5670_EXPOSURE_MIN 4 57 #define OV5670_EXPOSURE_STEP 1 58 59 /* Analog gain controls from sensor */ 60 #define OV5670_REG_ANALOG_GAIN 0x3508 61 #define ANALOG_GAIN_MIN 0 62 #define ANALOG_GAIN_MAX 8191 63 #define ANALOG_GAIN_STEP 1 64 #define ANALOG_GAIN_DEFAULT 128 65 66 /* Digital gain controls from sensor */ 67 #define OV5670_REG_R_DGTL_GAIN 0x5032 68 #define OV5670_REG_G_DGTL_GAIN 0x5034 69 #define OV5670_REG_B_DGTL_GAIN 0x5036 70 #define OV5670_DGTL_GAIN_MIN 0 71 #define OV5670_DGTL_GAIN_MAX 4095 72 #define OV5670_DGTL_GAIN_STEP 1 73 #define OV5670_DGTL_GAIN_DEFAULT 1024 74 75 /* Test Pattern Control */ 76 #define OV5670_REG_TEST_PATTERN 0x4303 77 #define OV5670_TEST_PATTERN_ENABLE BIT(3) 78 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320 79 80 #define OV5670_REG_VALUE_08BIT 1 81 #define OV5670_REG_VALUE_16BIT 2 82 #define OV5670_REG_VALUE_24BIT 3 83 84 /* Pixel Array */ 85 #define OV5670_NATIVE_WIDTH 2624 86 #define OV5670_NATIVE_HEIGHT 1980 87 88 /* Initial number of frames to skip to avoid possible garbage */ 89 #define OV5670_NUM_OF_SKIP_FRAMES 2 90 91 struct ov5670_reg { 92 u16 address; 93 u8 val; 94 }; 95 96 struct ov5670_reg_list { 97 u32 num_of_regs; 98 const struct ov5670_reg *regs; 99 }; 100 101 struct ov5670_link_freq_config { 102 const struct ov5670_reg_list reg_list; 103 }; 104 105 static const char * const ov5670_supply_names[] = { 106 "avdd", /* Analog power */ 107 "dvdd", /* Digital power */ 108 "dovdd", /* Digital output power */ 109 }; 110 111 #define OV5670_NUM_SUPPLIES ARRAY_SIZE(ov5670_supply_names) 112 113 struct ov5670_mode { 114 /* Frame width in pixels */ 115 u32 width; 116 117 /* Frame height in pixels */ 118 u32 height; 119 120 /* Default vertical timining size */ 121 u32 vts_def; 122 123 /* Min vertical timining size */ 124 u32 vts_min; 125 126 /* Link frequency needed for this resolution */ 127 u32 link_freq_index; 128 129 /* Analog crop rectangle */ 130 const struct v4l2_rect *analog_crop; 131 132 /* Sensor register settings for this resolution */ 133 const struct ov5670_reg_list reg_list; 134 }; 135 136 /* 137 * All the modes supported by the driver are obtained by subsampling the 138 * full pixel array. The below values are reflected in registers from 139 * 0x3800-0x3807 in the modes register-value tables. 140 */ 141 static const struct v4l2_rect ov5670_analog_crop = { 142 .left = 12, 143 .top = 4, 144 .width = 2600, 145 .height = 1952, 146 }; 147 148 static const struct ov5670_reg mipi_data_rate_840mbps[] = { 149 {0x0300, 0x04}, 150 {0x0301, 0x00}, 151 {0x0302, 0x84}, 152 {0x0303, 0x00}, 153 {0x0304, 0x03}, 154 {0x0305, 0x01}, 155 {0x0306, 0x01}, 156 {0x030a, 0x00}, 157 {0x030b, 0x00}, 158 {0x030c, 0x00}, 159 {0x030d, 0x26}, 160 {0x030e, 0x00}, 161 {0x030f, 0x06}, 162 {0x0312, 0x01}, 163 {0x3031, 0x0a}, 164 }; 165 166 static const struct ov5670_reg mode_2592x1944_regs[] = { 167 {0x3000, 0x00}, 168 {0x3002, 0x21}, 169 {0x3005, 0xf0}, 170 {0x3007, 0x00}, 171 {0x3015, 0x0f}, 172 {0x301a, 0xf0}, 173 {0x301b, 0xf0}, 174 {0x301c, 0xf0}, 175 {0x301d, 0xf0}, 176 {0x301e, 0xf0}, 177 {0x3030, 0x00}, 178 {0x3031, 0x0a}, 179 {0x303c, 0xff}, 180 {0x303e, 0xff}, 181 {0x3040, 0xf0}, 182 {0x3041, 0x00}, 183 {0x3042, 0xf0}, 184 {0x3106, 0x11}, 185 {0x3500, 0x00}, 186 {0x3501, 0x80}, 187 {0x3502, 0x00}, 188 {0x3503, 0x04}, 189 {0x3504, 0x03}, 190 {0x3505, 0x83}, 191 {0x3508, 0x04}, 192 {0x3509, 0x00}, 193 {0x350e, 0x04}, 194 {0x350f, 0x00}, 195 {0x3510, 0x00}, 196 {0x3511, 0x02}, 197 {0x3512, 0x00}, 198 {0x3601, 0xc8}, 199 {0x3610, 0x88}, 200 {0x3612, 0x48}, 201 {0x3614, 0x5b}, 202 {0x3615, 0x96}, 203 {0x3621, 0xd0}, 204 {0x3622, 0x00}, 205 {0x3623, 0x00}, 206 {0x3633, 0x13}, 207 {0x3634, 0x13}, 208 {0x3635, 0x13}, 209 {0x3636, 0x13}, 210 {0x3645, 0x13}, 211 {0x3646, 0x82}, 212 {0x3650, 0x00}, 213 {0x3652, 0xff}, 214 {0x3655, 0x20}, 215 {0x3656, 0xff}, 216 {0x365a, 0xff}, 217 {0x365e, 0xff}, 218 {0x3668, 0x00}, 219 {0x366a, 0x07}, 220 {0x366e, 0x10}, 221 {0x366d, 0x00}, 222 {0x366f, 0x80}, 223 {0x3700, 0x28}, 224 {0x3701, 0x10}, 225 {0x3702, 0x3a}, 226 {0x3703, 0x19}, 227 {0x3704, 0x10}, 228 {0x3705, 0x00}, 229 {0x3706, 0x66}, 230 {0x3707, 0x08}, 231 {0x3708, 0x34}, 232 {0x3709, 0x40}, 233 {0x370a, 0x01}, 234 {0x370b, 0x1b}, 235 {0x3714, 0x24}, 236 {0x371a, 0x3e}, 237 {0x3733, 0x00}, 238 {0x3734, 0x00}, 239 {0x373a, 0x05}, 240 {0x373b, 0x06}, 241 {0x373c, 0x0a}, 242 {0x373f, 0xa0}, 243 {0x3755, 0x00}, 244 {0x3758, 0x00}, 245 {0x375b, 0x0e}, 246 {0x3766, 0x5f}, 247 {0x3768, 0x00}, 248 {0x3769, 0x22}, 249 {0x3773, 0x08}, 250 {0x3774, 0x1f}, 251 {0x3776, 0x06}, 252 {0x37a0, 0x88}, 253 {0x37a1, 0x5c}, 254 {0x37a7, 0x88}, 255 {0x37a8, 0x70}, 256 {0x37aa, 0x88}, 257 {0x37ab, 0x48}, 258 {0x37b3, 0x66}, 259 {0x37c2, 0x04}, 260 {0x37c5, 0x00}, 261 {0x37c8, 0x00}, 262 {0x3800, 0x00}, 263 {0x3801, 0x0c}, 264 {0x3802, 0x00}, 265 {0x3803, 0x04}, 266 {0x3804, 0x0a}, 267 {0x3805, 0x33}, 268 {0x3806, 0x07}, 269 {0x3807, 0xa3}, 270 {0x3808, 0x0a}, 271 {0x3809, 0x20}, 272 {0x380a, 0x07}, 273 {0x380b, 0x98}, 274 {0x380c, 0x06}, 275 {0x380d, 0x90}, 276 {0x380e, 0x08}, 277 {0x380f, 0x08}, 278 {0x3811, 0x04}, 279 {0x3813, 0x02}, 280 {0x3814, 0x01}, 281 {0x3815, 0x01}, 282 {0x3816, 0x00}, 283 {0x3817, 0x00}, 284 {0x3818, 0x00}, 285 {0x3819, 0x00}, 286 {0x3820, 0x84}, 287 {0x3821, 0x46}, 288 {0x3822, 0x48}, 289 {0x3826, 0x00}, 290 {0x3827, 0x08}, 291 {0x382a, 0x01}, 292 {0x382b, 0x01}, 293 {0x3830, 0x08}, 294 {0x3836, 0x02}, 295 {0x3837, 0x00}, 296 {0x3838, 0x10}, 297 {0x3841, 0xff}, 298 {0x3846, 0x48}, 299 {0x3861, 0x00}, 300 {0x3862, 0x04}, 301 {0x3863, 0x06}, 302 {0x3a11, 0x01}, 303 {0x3a12, 0x78}, 304 {0x3b00, 0x00}, 305 {0x3b02, 0x00}, 306 {0x3b03, 0x00}, 307 {0x3b04, 0x00}, 308 {0x3b05, 0x00}, 309 {0x3c00, 0x89}, 310 {0x3c01, 0xab}, 311 {0x3c02, 0x01}, 312 {0x3c03, 0x00}, 313 {0x3c04, 0x00}, 314 {0x3c05, 0x03}, 315 {0x3c06, 0x00}, 316 {0x3c07, 0x05}, 317 {0x3c0c, 0x00}, 318 {0x3c0d, 0x00}, 319 {0x3c0e, 0x00}, 320 {0x3c0f, 0x00}, 321 {0x3c40, 0x00}, 322 {0x3c41, 0xa3}, 323 {0x3c43, 0x7d}, 324 {0x3c45, 0xd7}, 325 {0x3c47, 0xfc}, 326 {0x3c50, 0x05}, 327 {0x3c52, 0xaa}, 328 {0x3c54, 0x71}, 329 {0x3c56, 0x80}, 330 {0x3d85, 0x17}, 331 {0x3f03, 0x00}, 332 {0x3f0a, 0x00}, 333 {0x3f0b, 0x00}, 334 {0x4001, 0x60}, 335 {0x4009, 0x0d}, 336 {0x4020, 0x00}, 337 {0x4021, 0x00}, 338 {0x4022, 0x00}, 339 {0x4023, 0x00}, 340 {0x4024, 0x00}, 341 {0x4025, 0x00}, 342 {0x4026, 0x00}, 343 {0x4027, 0x00}, 344 {0x4028, 0x00}, 345 {0x4029, 0x00}, 346 {0x402a, 0x00}, 347 {0x402b, 0x00}, 348 {0x402c, 0x00}, 349 {0x402d, 0x00}, 350 {0x402e, 0x00}, 351 {0x402f, 0x00}, 352 {0x4040, 0x00}, 353 {0x4041, 0x03}, 354 {0x4042, 0x00}, 355 {0x4043, 0x7A}, 356 {0x4044, 0x00}, 357 {0x4045, 0x7A}, 358 {0x4046, 0x00}, 359 {0x4047, 0x7A}, 360 {0x4048, 0x00}, 361 {0x4049, 0x7A}, 362 {0x4307, 0x30}, 363 {0x4500, 0x58}, 364 {0x4501, 0x04}, 365 {0x4502, 0x40}, 366 {0x4503, 0x10}, 367 {0x4508, 0xaa}, 368 {0x4509, 0xaa}, 369 {0x450a, 0x00}, 370 {0x450b, 0x00}, 371 {0x4600, 0x01}, 372 {0x4601, 0x03}, 373 {0x4700, 0xa4}, 374 {0x4800, 0x4c}, 375 {0x4816, 0x53}, 376 {0x481f, 0x40}, 377 {0x4837, 0x13}, 378 {0x5000, 0x56}, 379 {0x5001, 0x01}, 380 {0x5002, 0x28}, 381 {0x5004, 0x0c}, 382 {0x5006, 0x0c}, 383 {0x5007, 0xe0}, 384 {0x5008, 0x01}, 385 {0x5009, 0xb0}, 386 {0x5901, 0x00}, 387 {0x5a01, 0x00}, 388 {0x5a03, 0x00}, 389 {0x5a04, 0x0c}, 390 {0x5a05, 0xe0}, 391 {0x5a06, 0x09}, 392 {0x5a07, 0xb0}, 393 {0x5a08, 0x06}, 394 {0x5e00, 0x00}, 395 {0x3734, 0x40}, 396 {0x5b00, 0x01}, 397 {0x5b01, 0x10}, 398 {0x5b02, 0x01}, 399 {0x5b03, 0xdb}, 400 {0x3d8c, 0x71}, 401 {0x3d8d, 0xea}, 402 {0x4017, 0x08}, 403 {0x3618, 0x2a}, 404 {0x5780, 0x3e}, 405 {0x5781, 0x0f}, 406 {0x5782, 0x44}, 407 {0x5783, 0x02}, 408 {0x5784, 0x01}, 409 {0x5785, 0x01}, 410 {0x5786, 0x00}, 411 {0x5787, 0x04}, 412 {0x5788, 0x02}, 413 {0x5789, 0x0f}, 414 {0x578a, 0xfd}, 415 {0x578b, 0xf5}, 416 {0x578c, 0xf5}, 417 {0x578d, 0x03}, 418 {0x578e, 0x08}, 419 {0x578f, 0x0c}, 420 {0x5790, 0x08}, 421 {0x5791, 0x06}, 422 {0x5792, 0x00}, 423 {0x5793, 0x52}, 424 {0x5794, 0xa3}, 425 {0x3503, 0x00}, 426 {0x5045, 0x05}, 427 {0x4003, 0x40}, 428 {0x5048, 0x40} 429 }; 430 431 static const struct ov5670_reg mode_1296x972_regs[] = { 432 {0x3000, 0x00}, 433 {0x3002, 0x21}, 434 {0x3005, 0xf0}, 435 {0x3007, 0x00}, 436 {0x3015, 0x0f}, 437 {0x301a, 0xf0}, 438 {0x301b, 0xf0}, 439 {0x301c, 0xf0}, 440 {0x301d, 0xf0}, 441 {0x301e, 0xf0}, 442 {0x3030, 0x00}, 443 {0x3031, 0x0a}, 444 {0x303c, 0xff}, 445 {0x303e, 0xff}, 446 {0x3040, 0xf0}, 447 {0x3041, 0x00}, 448 {0x3042, 0xf0}, 449 {0x3106, 0x11}, 450 {0x3500, 0x00}, 451 {0x3501, 0x80}, 452 {0x3502, 0x00}, 453 {0x3503, 0x04}, 454 {0x3504, 0x03}, 455 {0x3505, 0x83}, 456 {0x3508, 0x07}, 457 {0x3509, 0x80}, 458 {0x350e, 0x04}, 459 {0x350f, 0x00}, 460 {0x3510, 0x00}, 461 {0x3511, 0x02}, 462 {0x3512, 0x00}, 463 {0x3601, 0xc8}, 464 {0x3610, 0x88}, 465 {0x3612, 0x48}, 466 {0x3614, 0x5b}, 467 {0x3615, 0x96}, 468 {0x3621, 0xd0}, 469 {0x3622, 0x00}, 470 {0x3623, 0x00}, 471 {0x3633, 0x13}, 472 {0x3634, 0x13}, 473 {0x3635, 0x13}, 474 {0x3636, 0x13}, 475 {0x3645, 0x13}, 476 {0x3646, 0x82}, 477 {0x3650, 0x00}, 478 {0x3652, 0xff}, 479 {0x3655, 0x20}, 480 {0x3656, 0xff}, 481 {0x365a, 0xff}, 482 {0x365e, 0xff}, 483 {0x3668, 0x00}, 484 {0x366a, 0x07}, 485 {0x366e, 0x08}, 486 {0x366d, 0x00}, 487 {0x366f, 0x80}, 488 {0x3700, 0x28}, 489 {0x3701, 0x10}, 490 {0x3702, 0x3a}, 491 {0x3703, 0x19}, 492 {0x3704, 0x10}, 493 {0x3705, 0x00}, 494 {0x3706, 0x66}, 495 {0x3707, 0x08}, 496 {0x3708, 0x34}, 497 {0x3709, 0x40}, 498 {0x370a, 0x01}, 499 {0x370b, 0x1b}, 500 {0x3714, 0x24}, 501 {0x371a, 0x3e}, 502 {0x3733, 0x00}, 503 {0x3734, 0x00}, 504 {0x373a, 0x05}, 505 {0x373b, 0x06}, 506 {0x373c, 0x0a}, 507 {0x373f, 0xa0}, 508 {0x3755, 0x00}, 509 {0x3758, 0x00}, 510 {0x375b, 0x0e}, 511 {0x3766, 0x5f}, 512 {0x3768, 0x00}, 513 {0x3769, 0x22}, 514 {0x3773, 0x08}, 515 {0x3774, 0x1f}, 516 {0x3776, 0x06}, 517 {0x37a0, 0x88}, 518 {0x37a1, 0x5c}, 519 {0x37a7, 0x88}, 520 {0x37a8, 0x70}, 521 {0x37aa, 0x88}, 522 {0x37ab, 0x48}, 523 {0x37b3, 0x66}, 524 {0x37c2, 0x04}, 525 {0x37c5, 0x00}, 526 {0x37c8, 0x00}, 527 {0x3800, 0x00}, 528 {0x3801, 0x0c}, 529 {0x3802, 0x00}, 530 {0x3803, 0x04}, 531 {0x3804, 0x0a}, 532 {0x3805, 0x33}, 533 {0x3806, 0x07}, 534 {0x3807, 0xa3}, 535 {0x3808, 0x05}, 536 {0x3809, 0x10}, 537 {0x380a, 0x03}, 538 {0x380b, 0xcc}, 539 {0x380c, 0x06}, 540 {0x380d, 0x90}, 541 {0x380e, 0x08}, 542 {0x380f, 0x08}, 543 {0x3811, 0x04}, 544 {0x3813, 0x04}, 545 {0x3814, 0x03}, 546 {0x3815, 0x01}, 547 {0x3816, 0x00}, 548 {0x3817, 0x00}, 549 {0x3818, 0x00}, 550 {0x3819, 0x00}, 551 {0x3820, 0x94}, 552 {0x3821, 0x47}, 553 {0x3822, 0x48}, 554 {0x3826, 0x00}, 555 {0x3827, 0x08}, 556 {0x382a, 0x03}, 557 {0x382b, 0x01}, 558 {0x3830, 0x08}, 559 {0x3836, 0x02}, 560 {0x3837, 0x00}, 561 {0x3838, 0x10}, 562 {0x3841, 0xff}, 563 {0x3846, 0x48}, 564 {0x3861, 0x00}, 565 {0x3862, 0x04}, 566 {0x3863, 0x06}, 567 {0x3a11, 0x01}, 568 {0x3a12, 0x78}, 569 {0x3b00, 0x00}, 570 {0x3b02, 0x00}, 571 {0x3b03, 0x00}, 572 {0x3b04, 0x00}, 573 {0x3b05, 0x00}, 574 {0x3c00, 0x89}, 575 {0x3c01, 0xab}, 576 {0x3c02, 0x01}, 577 {0x3c03, 0x00}, 578 {0x3c04, 0x00}, 579 {0x3c05, 0x03}, 580 {0x3c06, 0x00}, 581 {0x3c07, 0x05}, 582 {0x3c0c, 0x00}, 583 {0x3c0d, 0x00}, 584 {0x3c0e, 0x00}, 585 {0x3c0f, 0x00}, 586 {0x3c40, 0x00}, 587 {0x3c41, 0xa3}, 588 {0x3c43, 0x7d}, 589 {0x3c45, 0xd7}, 590 {0x3c47, 0xfc}, 591 {0x3c50, 0x05}, 592 {0x3c52, 0xaa}, 593 {0x3c54, 0x71}, 594 {0x3c56, 0x80}, 595 {0x3d85, 0x17}, 596 {0x3f03, 0x00}, 597 {0x3f0a, 0x00}, 598 {0x3f0b, 0x00}, 599 {0x4001, 0x60}, 600 {0x4009, 0x05}, 601 {0x4020, 0x00}, 602 {0x4021, 0x00}, 603 {0x4022, 0x00}, 604 {0x4023, 0x00}, 605 {0x4024, 0x00}, 606 {0x4025, 0x00}, 607 {0x4026, 0x00}, 608 {0x4027, 0x00}, 609 {0x4028, 0x00}, 610 {0x4029, 0x00}, 611 {0x402a, 0x00}, 612 {0x402b, 0x00}, 613 {0x402c, 0x00}, 614 {0x402d, 0x00}, 615 {0x402e, 0x00}, 616 {0x402f, 0x00}, 617 {0x4040, 0x00}, 618 {0x4041, 0x03}, 619 {0x4042, 0x00}, 620 {0x4043, 0x7A}, 621 {0x4044, 0x00}, 622 {0x4045, 0x7A}, 623 {0x4046, 0x00}, 624 {0x4047, 0x7A}, 625 {0x4048, 0x00}, 626 {0x4049, 0x7A}, 627 {0x4307, 0x30}, 628 {0x4500, 0x58}, 629 {0x4501, 0x04}, 630 {0x4502, 0x48}, 631 {0x4503, 0x10}, 632 {0x4508, 0x55}, 633 {0x4509, 0x55}, 634 {0x450a, 0x00}, 635 {0x450b, 0x00}, 636 {0x4600, 0x00}, 637 {0x4601, 0x81}, 638 {0x4700, 0xa4}, 639 {0x4800, 0x4c}, 640 {0x4816, 0x53}, 641 {0x481f, 0x40}, 642 {0x4837, 0x13}, 643 {0x5000, 0x56}, 644 {0x5001, 0x01}, 645 {0x5002, 0x28}, 646 {0x5004, 0x0c}, 647 {0x5006, 0x0c}, 648 {0x5007, 0xe0}, 649 {0x5008, 0x01}, 650 {0x5009, 0xb0}, 651 {0x5901, 0x00}, 652 {0x5a01, 0x00}, 653 {0x5a03, 0x00}, 654 {0x5a04, 0x0c}, 655 {0x5a05, 0xe0}, 656 {0x5a06, 0x09}, 657 {0x5a07, 0xb0}, 658 {0x5a08, 0x06}, 659 {0x5e00, 0x00}, 660 {0x3734, 0x40}, 661 {0x5b00, 0x01}, 662 {0x5b01, 0x10}, 663 {0x5b02, 0x01}, 664 {0x5b03, 0xdb}, 665 {0x3d8c, 0x71}, 666 {0x3d8d, 0xea}, 667 {0x4017, 0x10}, 668 {0x3618, 0x2a}, 669 {0x5780, 0x3e}, 670 {0x5781, 0x0f}, 671 {0x5782, 0x44}, 672 {0x5783, 0x02}, 673 {0x5784, 0x01}, 674 {0x5785, 0x01}, 675 {0x5786, 0x00}, 676 {0x5787, 0x04}, 677 {0x5788, 0x02}, 678 {0x5789, 0x0f}, 679 {0x578a, 0xfd}, 680 {0x578b, 0xf5}, 681 {0x578c, 0xf5}, 682 {0x578d, 0x03}, 683 {0x578e, 0x08}, 684 {0x578f, 0x0c}, 685 {0x5790, 0x08}, 686 {0x5791, 0x04}, 687 {0x5792, 0x00}, 688 {0x5793, 0x52}, 689 {0x5794, 0xa3}, 690 {0x3503, 0x00}, 691 {0x5045, 0x05}, 692 {0x4003, 0x40}, 693 {0x5048, 0x40} 694 }; 695 696 static const struct ov5670_reg mode_648x486_regs[] = { 697 {0x3000, 0x00}, 698 {0x3002, 0x21}, 699 {0x3005, 0xf0}, 700 {0x3007, 0x00}, 701 {0x3015, 0x0f}, 702 {0x301a, 0xf0}, 703 {0x301b, 0xf0}, 704 {0x301c, 0xf0}, 705 {0x301d, 0xf0}, 706 {0x301e, 0xf0}, 707 {0x3030, 0x00}, 708 {0x3031, 0x0a}, 709 {0x303c, 0xff}, 710 {0x303e, 0xff}, 711 {0x3040, 0xf0}, 712 {0x3041, 0x00}, 713 {0x3042, 0xf0}, 714 {0x3106, 0x11}, 715 {0x3500, 0x00}, 716 {0x3501, 0x80}, 717 {0x3502, 0x00}, 718 {0x3503, 0x04}, 719 {0x3504, 0x03}, 720 {0x3505, 0x83}, 721 {0x3508, 0x04}, 722 {0x3509, 0x00}, 723 {0x350e, 0x04}, 724 {0x350f, 0x00}, 725 {0x3510, 0x00}, 726 {0x3511, 0x02}, 727 {0x3512, 0x00}, 728 {0x3601, 0xc8}, 729 {0x3610, 0x88}, 730 {0x3612, 0x48}, 731 {0x3614, 0x5b}, 732 {0x3615, 0x96}, 733 {0x3621, 0xd0}, 734 {0x3622, 0x00}, 735 {0x3623, 0x04}, 736 {0x3633, 0x13}, 737 {0x3634, 0x13}, 738 {0x3635, 0x13}, 739 {0x3636, 0x13}, 740 {0x3645, 0x13}, 741 {0x3646, 0x82}, 742 {0x3650, 0x00}, 743 {0x3652, 0xff}, 744 {0x3655, 0x20}, 745 {0x3656, 0xff}, 746 {0x365a, 0xff}, 747 {0x365e, 0xff}, 748 {0x3668, 0x00}, 749 {0x366a, 0x07}, 750 {0x366e, 0x08}, 751 {0x366d, 0x00}, 752 {0x366f, 0x80}, 753 {0x3700, 0x28}, 754 {0x3701, 0x10}, 755 {0x3702, 0x3a}, 756 {0x3703, 0x19}, 757 {0x3704, 0x10}, 758 {0x3705, 0x00}, 759 {0x3706, 0x66}, 760 {0x3707, 0x08}, 761 {0x3708, 0x34}, 762 {0x3709, 0x40}, 763 {0x370a, 0x01}, 764 {0x370b, 0x1b}, 765 {0x3714, 0x24}, 766 {0x371a, 0x3e}, 767 {0x3733, 0x00}, 768 {0x3734, 0x00}, 769 {0x373a, 0x05}, 770 {0x373b, 0x06}, 771 {0x373c, 0x0a}, 772 {0x373f, 0xa0}, 773 {0x3755, 0x00}, 774 {0x3758, 0x00}, 775 {0x375b, 0x0e}, 776 {0x3766, 0x5f}, 777 {0x3768, 0x00}, 778 {0x3769, 0x22}, 779 {0x3773, 0x08}, 780 {0x3774, 0x1f}, 781 {0x3776, 0x06}, 782 {0x37a0, 0x88}, 783 {0x37a1, 0x5c}, 784 {0x37a7, 0x88}, 785 {0x37a8, 0x70}, 786 {0x37aa, 0x88}, 787 {0x37ab, 0x48}, 788 {0x37b3, 0x66}, 789 {0x37c2, 0x04}, 790 {0x37c5, 0x00}, 791 {0x37c8, 0x00}, 792 {0x3800, 0x00}, 793 {0x3801, 0x0c}, 794 {0x3802, 0x00}, 795 {0x3803, 0x04}, 796 {0x3804, 0x0a}, 797 {0x3805, 0x33}, 798 {0x3806, 0x07}, 799 {0x3807, 0xa3}, 800 {0x3808, 0x02}, 801 {0x3809, 0x88}, 802 {0x380a, 0x01}, 803 {0x380b, 0xe6}, 804 {0x380c, 0x06}, 805 {0x380d, 0x90}, 806 {0x380e, 0x08}, 807 {0x380f, 0x08}, 808 {0x3811, 0x04}, 809 {0x3813, 0x02}, 810 {0x3814, 0x07}, 811 {0x3815, 0x01}, 812 {0x3816, 0x00}, 813 {0x3817, 0x00}, 814 {0x3818, 0x00}, 815 {0x3819, 0x00}, 816 {0x3820, 0x94}, 817 {0x3821, 0xc6}, 818 {0x3822, 0x48}, 819 {0x3826, 0x00}, 820 {0x3827, 0x08}, 821 {0x382a, 0x07}, 822 {0x382b, 0x01}, 823 {0x3830, 0x08}, 824 {0x3836, 0x02}, 825 {0x3837, 0x00}, 826 {0x3838, 0x10}, 827 {0x3841, 0xff}, 828 {0x3846, 0x48}, 829 {0x3861, 0x00}, 830 {0x3862, 0x04}, 831 {0x3863, 0x06}, 832 {0x3a11, 0x01}, 833 {0x3a12, 0x78}, 834 {0x3b00, 0x00}, 835 {0x3b02, 0x00}, 836 {0x3b03, 0x00}, 837 {0x3b04, 0x00}, 838 {0x3b05, 0x00}, 839 {0x3c00, 0x89}, 840 {0x3c01, 0xab}, 841 {0x3c02, 0x01}, 842 {0x3c03, 0x00}, 843 {0x3c04, 0x00}, 844 {0x3c05, 0x03}, 845 {0x3c06, 0x00}, 846 {0x3c07, 0x05}, 847 {0x3c0c, 0x00}, 848 {0x3c0d, 0x00}, 849 {0x3c0e, 0x00}, 850 {0x3c0f, 0x00}, 851 {0x3c40, 0x00}, 852 {0x3c41, 0xa3}, 853 {0x3c43, 0x7d}, 854 {0x3c45, 0xd7}, 855 {0x3c47, 0xfc}, 856 {0x3c50, 0x05}, 857 {0x3c52, 0xaa}, 858 {0x3c54, 0x71}, 859 {0x3c56, 0x80}, 860 {0x3d85, 0x17}, 861 {0x3f03, 0x00}, 862 {0x3f0a, 0x00}, 863 {0x3f0b, 0x00}, 864 {0x4001, 0x60}, 865 {0x4009, 0x05}, 866 {0x4020, 0x00}, 867 {0x4021, 0x00}, 868 {0x4022, 0x00}, 869 {0x4023, 0x00}, 870 {0x4024, 0x00}, 871 {0x4025, 0x00}, 872 {0x4026, 0x00}, 873 {0x4027, 0x00}, 874 {0x4028, 0x00}, 875 {0x4029, 0x00}, 876 {0x402a, 0x00}, 877 {0x402b, 0x00}, 878 {0x402c, 0x00}, 879 {0x402d, 0x00}, 880 {0x402e, 0x00}, 881 {0x402f, 0x00}, 882 {0x4040, 0x00}, 883 {0x4041, 0x03}, 884 {0x4042, 0x00}, 885 {0x4043, 0x7A}, 886 {0x4044, 0x00}, 887 {0x4045, 0x7A}, 888 {0x4046, 0x00}, 889 {0x4047, 0x7A}, 890 {0x4048, 0x00}, 891 {0x4049, 0x7A}, 892 {0x4307, 0x30}, 893 {0x4500, 0x58}, 894 {0x4501, 0x04}, 895 {0x4502, 0x40}, 896 {0x4503, 0x10}, 897 {0x4508, 0x55}, 898 {0x4509, 0x55}, 899 {0x450a, 0x02}, 900 {0x450b, 0x00}, 901 {0x4600, 0x00}, 902 {0x4601, 0x40}, 903 {0x4700, 0xa4}, 904 {0x4800, 0x4c}, 905 {0x4816, 0x53}, 906 {0x481f, 0x40}, 907 {0x4837, 0x13}, 908 {0x5000, 0x56}, 909 {0x5001, 0x01}, 910 {0x5002, 0x28}, 911 {0x5004, 0x0c}, 912 {0x5006, 0x0c}, 913 {0x5007, 0xe0}, 914 {0x5008, 0x01}, 915 {0x5009, 0xb0}, 916 {0x5901, 0x00}, 917 {0x5a01, 0x00}, 918 {0x5a03, 0x00}, 919 {0x5a04, 0x0c}, 920 {0x5a05, 0xe0}, 921 {0x5a06, 0x09}, 922 {0x5a07, 0xb0}, 923 {0x5a08, 0x06}, 924 {0x5e00, 0x00}, 925 {0x3734, 0x40}, 926 {0x5b00, 0x01}, 927 {0x5b01, 0x10}, 928 {0x5b02, 0x01}, 929 {0x5b03, 0xdb}, 930 {0x3d8c, 0x71}, 931 {0x3d8d, 0xea}, 932 {0x4017, 0x10}, 933 {0x3618, 0x2a}, 934 {0x5780, 0x3e}, 935 {0x5781, 0x0f}, 936 {0x5782, 0x44}, 937 {0x5783, 0x02}, 938 {0x5784, 0x01}, 939 {0x5785, 0x01}, 940 {0x5786, 0x00}, 941 {0x5787, 0x04}, 942 {0x5788, 0x02}, 943 {0x5789, 0x0f}, 944 {0x578a, 0xfd}, 945 {0x578b, 0xf5}, 946 {0x578c, 0xf5}, 947 {0x578d, 0x03}, 948 {0x578e, 0x08}, 949 {0x578f, 0x0c}, 950 {0x5790, 0x08}, 951 {0x5791, 0x06}, 952 {0x5792, 0x00}, 953 {0x5793, 0x52}, 954 {0x5794, 0xa3}, 955 {0x3503, 0x00}, 956 {0x5045, 0x05}, 957 {0x4003, 0x40}, 958 {0x5048, 0x40} 959 }; 960 961 static const struct ov5670_reg mode_2560x1440_regs[] = { 962 {0x3000, 0x00}, 963 {0x3002, 0x21}, 964 {0x3005, 0xf0}, 965 {0x3007, 0x00}, 966 {0x3015, 0x0f}, 967 {0x301a, 0xf0}, 968 {0x301b, 0xf0}, 969 {0x301c, 0xf0}, 970 {0x301d, 0xf0}, 971 {0x301e, 0xf0}, 972 {0x3030, 0x00}, 973 {0x3031, 0x0a}, 974 {0x303c, 0xff}, 975 {0x303e, 0xff}, 976 {0x3040, 0xf0}, 977 {0x3041, 0x00}, 978 {0x3042, 0xf0}, 979 {0x3106, 0x11}, 980 {0x3500, 0x00}, 981 {0x3501, 0x80}, 982 {0x3502, 0x00}, 983 {0x3503, 0x04}, 984 {0x3504, 0x03}, 985 {0x3505, 0x83}, 986 {0x3508, 0x04}, 987 {0x3509, 0x00}, 988 {0x350e, 0x04}, 989 {0x350f, 0x00}, 990 {0x3510, 0x00}, 991 {0x3511, 0x02}, 992 {0x3512, 0x00}, 993 {0x3601, 0xc8}, 994 {0x3610, 0x88}, 995 {0x3612, 0x48}, 996 {0x3614, 0x5b}, 997 {0x3615, 0x96}, 998 {0x3621, 0xd0}, 999 {0x3622, 0x00}, 1000 {0x3623, 0x00}, 1001 {0x3633, 0x13}, 1002 {0x3634, 0x13}, 1003 {0x3635, 0x13}, 1004 {0x3636, 0x13}, 1005 {0x3645, 0x13}, 1006 {0x3646, 0x82}, 1007 {0x3650, 0x00}, 1008 {0x3652, 0xff}, 1009 {0x3655, 0x20}, 1010 {0x3656, 0xff}, 1011 {0x365a, 0xff}, 1012 {0x365e, 0xff}, 1013 {0x3668, 0x00}, 1014 {0x366a, 0x07}, 1015 {0x366e, 0x10}, 1016 {0x366d, 0x00}, 1017 {0x366f, 0x80}, 1018 {0x3700, 0x28}, 1019 {0x3701, 0x10}, 1020 {0x3702, 0x3a}, 1021 {0x3703, 0x19}, 1022 {0x3704, 0x10}, 1023 {0x3705, 0x00}, 1024 {0x3706, 0x66}, 1025 {0x3707, 0x08}, 1026 {0x3708, 0x34}, 1027 {0x3709, 0x40}, 1028 {0x370a, 0x01}, 1029 {0x370b, 0x1b}, 1030 {0x3714, 0x24}, 1031 {0x371a, 0x3e}, 1032 {0x3733, 0x00}, 1033 {0x3734, 0x00}, 1034 {0x373a, 0x05}, 1035 {0x373b, 0x06}, 1036 {0x373c, 0x0a}, 1037 {0x373f, 0xa0}, 1038 {0x3755, 0x00}, 1039 {0x3758, 0x00}, 1040 {0x375b, 0x0e}, 1041 {0x3766, 0x5f}, 1042 {0x3768, 0x00}, 1043 {0x3769, 0x22}, 1044 {0x3773, 0x08}, 1045 {0x3774, 0x1f}, 1046 {0x3776, 0x06}, 1047 {0x37a0, 0x88}, 1048 {0x37a1, 0x5c}, 1049 {0x37a7, 0x88}, 1050 {0x37a8, 0x70}, 1051 {0x37aa, 0x88}, 1052 {0x37ab, 0x48}, 1053 {0x37b3, 0x66}, 1054 {0x37c2, 0x04}, 1055 {0x37c5, 0x00}, 1056 {0x37c8, 0x00}, 1057 {0x3800, 0x00}, 1058 {0x3801, 0x0c}, 1059 {0x3802, 0x00}, 1060 {0x3803, 0x04}, 1061 {0x3804, 0x0a}, 1062 {0x3805, 0x33}, 1063 {0x3806, 0x07}, 1064 {0x3807, 0xa3}, 1065 {0x3808, 0x0a}, 1066 {0x3809, 0x00}, 1067 {0x380a, 0x05}, 1068 {0x380b, 0xa0}, 1069 {0x380c, 0x06}, 1070 {0x380d, 0x90}, 1071 {0x380e, 0x08}, 1072 {0x380f, 0x08}, 1073 {0x3811, 0x04}, 1074 {0x3813, 0x02}, 1075 {0x3814, 0x01}, 1076 {0x3815, 0x01}, 1077 {0x3816, 0x00}, 1078 {0x3817, 0x00}, 1079 {0x3818, 0x00}, 1080 {0x3819, 0x00}, 1081 {0x3820, 0x84}, 1082 {0x3821, 0x46}, 1083 {0x3822, 0x48}, 1084 {0x3826, 0x00}, 1085 {0x3827, 0x08}, 1086 {0x382a, 0x01}, 1087 {0x382b, 0x01}, 1088 {0x3830, 0x08}, 1089 {0x3836, 0x02}, 1090 {0x3837, 0x00}, 1091 {0x3838, 0x10}, 1092 {0x3841, 0xff}, 1093 {0x3846, 0x48}, 1094 {0x3861, 0x00}, 1095 {0x3862, 0x04}, 1096 {0x3863, 0x06}, 1097 {0x3a11, 0x01}, 1098 {0x3a12, 0x78}, 1099 {0x3b00, 0x00}, 1100 {0x3b02, 0x00}, 1101 {0x3b03, 0x00}, 1102 {0x3b04, 0x00}, 1103 {0x3b05, 0x00}, 1104 {0x3c00, 0x89}, 1105 {0x3c01, 0xab}, 1106 {0x3c02, 0x01}, 1107 {0x3c03, 0x00}, 1108 {0x3c04, 0x00}, 1109 {0x3c05, 0x03}, 1110 {0x3c06, 0x00}, 1111 {0x3c07, 0x05}, 1112 {0x3c0c, 0x00}, 1113 {0x3c0d, 0x00}, 1114 {0x3c0e, 0x00}, 1115 {0x3c0f, 0x00}, 1116 {0x3c40, 0x00}, 1117 {0x3c41, 0xa3}, 1118 {0x3c43, 0x7d}, 1119 {0x3c45, 0xd7}, 1120 {0x3c47, 0xfc}, 1121 {0x3c50, 0x05}, 1122 {0x3c52, 0xaa}, 1123 {0x3c54, 0x71}, 1124 {0x3c56, 0x80}, 1125 {0x3d85, 0x17}, 1126 {0x3f03, 0x00}, 1127 {0x3f0a, 0x00}, 1128 {0x3f0b, 0x00}, 1129 {0x4001, 0x60}, 1130 {0x4009, 0x0d}, 1131 {0x4020, 0x00}, 1132 {0x4021, 0x00}, 1133 {0x4022, 0x00}, 1134 {0x4023, 0x00}, 1135 {0x4024, 0x00}, 1136 {0x4025, 0x00}, 1137 {0x4026, 0x00}, 1138 {0x4027, 0x00}, 1139 {0x4028, 0x00}, 1140 {0x4029, 0x00}, 1141 {0x402a, 0x00}, 1142 {0x402b, 0x00}, 1143 {0x402c, 0x00}, 1144 {0x402d, 0x00}, 1145 {0x402e, 0x00}, 1146 {0x402f, 0x00}, 1147 {0x4040, 0x00}, 1148 {0x4041, 0x03}, 1149 {0x4042, 0x00}, 1150 {0x4043, 0x7A}, 1151 {0x4044, 0x00}, 1152 {0x4045, 0x7A}, 1153 {0x4046, 0x00}, 1154 {0x4047, 0x7A}, 1155 {0x4048, 0x00}, 1156 {0x4049, 0x7A}, 1157 {0x4307, 0x30}, 1158 {0x4500, 0x58}, 1159 {0x4501, 0x04}, 1160 {0x4502, 0x40}, 1161 {0x4503, 0x10}, 1162 {0x4508, 0xaa}, 1163 {0x4509, 0xaa}, 1164 {0x450a, 0x00}, 1165 {0x450b, 0x00}, 1166 {0x4600, 0x01}, 1167 {0x4601, 0x00}, 1168 {0x4700, 0xa4}, 1169 {0x4800, 0x4c}, 1170 {0x4816, 0x53}, 1171 {0x481f, 0x40}, 1172 {0x4837, 0x13}, 1173 {0x5000, 0x56}, 1174 {0x5001, 0x01}, 1175 {0x5002, 0x28}, 1176 {0x5004, 0x0c}, 1177 {0x5006, 0x0c}, 1178 {0x5007, 0xe0}, 1179 {0x5008, 0x01}, 1180 {0x5009, 0xb0}, 1181 {0x5901, 0x00}, 1182 {0x5a01, 0x00}, 1183 {0x5a03, 0x00}, 1184 {0x5a04, 0x0c}, 1185 {0x5a05, 0xe0}, 1186 {0x5a06, 0x09}, 1187 {0x5a07, 0xb0}, 1188 {0x5a08, 0x06}, 1189 {0x5e00, 0x00}, 1190 {0x3734, 0x40}, 1191 {0x5b00, 0x01}, 1192 {0x5b01, 0x10}, 1193 {0x5b02, 0x01}, 1194 {0x5b03, 0xdb}, 1195 {0x3d8c, 0x71}, 1196 {0x3d8d, 0xea}, 1197 {0x4017, 0x08}, 1198 {0x3618, 0x2a}, 1199 {0x5780, 0x3e}, 1200 {0x5781, 0x0f}, 1201 {0x5782, 0x44}, 1202 {0x5783, 0x02}, 1203 {0x5784, 0x01}, 1204 {0x5785, 0x01}, 1205 {0x5786, 0x00}, 1206 {0x5787, 0x04}, 1207 {0x5788, 0x02}, 1208 {0x5789, 0x0f}, 1209 {0x578a, 0xfd}, 1210 {0x578b, 0xf5}, 1211 {0x578c, 0xf5}, 1212 {0x578d, 0x03}, 1213 {0x578e, 0x08}, 1214 {0x578f, 0x0c}, 1215 {0x5790, 0x08}, 1216 {0x5791, 0x06}, 1217 {0x5792, 0x00}, 1218 {0x5793, 0x52}, 1219 {0x5794, 0xa3}, 1220 {0x5045, 0x05}, 1221 {0x4003, 0x40}, 1222 {0x5048, 0x40} 1223 }; 1224 1225 static const struct ov5670_reg mode_1280x720_regs[] = { 1226 {0x3000, 0x00}, 1227 {0x3002, 0x21}, 1228 {0x3005, 0xf0}, 1229 {0x3007, 0x00}, 1230 {0x3015, 0x0f}, 1231 {0x301a, 0xf0}, 1232 {0x301b, 0xf0}, 1233 {0x301c, 0xf0}, 1234 {0x301d, 0xf0}, 1235 {0x301e, 0xf0}, 1236 {0x3030, 0x00}, 1237 {0x3031, 0x0a}, 1238 {0x303c, 0xff}, 1239 {0x303e, 0xff}, 1240 {0x3040, 0xf0}, 1241 {0x3041, 0x00}, 1242 {0x3042, 0xf0}, 1243 {0x3106, 0x11}, 1244 {0x3500, 0x00}, 1245 {0x3501, 0x80}, 1246 {0x3502, 0x00}, 1247 {0x3503, 0x04}, 1248 {0x3504, 0x03}, 1249 {0x3505, 0x83}, 1250 {0x3508, 0x04}, 1251 {0x3509, 0x00}, 1252 {0x350e, 0x04}, 1253 {0x350f, 0x00}, 1254 {0x3510, 0x00}, 1255 {0x3511, 0x02}, 1256 {0x3512, 0x00}, 1257 {0x3601, 0xc8}, 1258 {0x3610, 0x88}, 1259 {0x3612, 0x48}, 1260 {0x3614, 0x5b}, 1261 {0x3615, 0x96}, 1262 {0x3621, 0xd0}, 1263 {0x3622, 0x00}, 1264 {0x3623, 0x00}, 1265 {0x3633, 0x13}, 1266 {0x3634, 0x13}, 1267 {0x3635, 0x13}, 1268 {0x3636, 0x13}, 1269 {0x3645, 0x13}, 1270 {0x3646, 0x82}, 1271 {0x3650, 0x00}, 1272 {0x3652, 0xff}, 1273 {0x3655, 0x20}, 1274 {0x3656, 0xff}, 1275 {0x365a, 0xff}, 1276 {0x365e, 0xff}, 1277 {0x3668, 0x00}, 1278 {0x366a, 0x07}, 1279 {0x366e, 0x08}, 1280 {0x366d, 0x00}, 1281 {0x366f, 0x80}, 1282 {0x3700, 0x28}, 1283 {0x3701, 0x10}, 1284 {0x3702, 0x3a}, 1285 {0x3703, 0x19}, 1286 {0x3704, 0x10}, 1287 {0x3705, 0x00}, 1288 {0x3706, 0x66}, 1289 {0x3707, 0x08}, 1290 {0x3708, 0x34}, 1291 {0x3709, 0x40}, 1292 {0x370a, 0x01}, 1293 {0x370b, 0x1b}, 1294 {0x3714, 0x24}, 1295 {0x371a, 0x3e}, 1296 {0x3733, 0x00}, 1297 {0x3734, 0x00}, 1298 {0x373a, 0x05}, 1299 {0x373b, 0x06}, 1300 {0x373c, 0x0a}, 1301 {0x373f, 0xa0}, 1302 {0x3755, 0x00}, 1303 {0x3758, 0x00}, 1304 {0x375b, 0x0e}, 1305 {0x3766, 0x5f}, 1306 {0x3768, 0x00}, 1307 {0x3769, 0x22}, 1308 {0x3773, 0x08}, 1309 {0x3774, 0x1f}, 1310 {0x3776, 0x06}, 1311 {0x37a0, 0x88}, 1312 {0x37a1, 0x5c}, 1313 {0x37a7, 0x88}, 1314 {0x37a8, 0x70}, 1315 {0x37aa, 0x88}, 1316 {0x37ab, 0x48}, 1317 {0x37b3, 0x66}, 1318 {0x37c2, 0x04}, 1319 {0x37c5, 0x00}, 1320 {0x37c8, 0x00}, 1321 {0x3800, 0x00}, 1322 {0x3801, 0x0c}, 1323 {0x3802, 0x00}, 1324 {0x3803, 0x04}, 1325 {0x3804, 0x0a}, 1326 {0x3805, 0x33}, 1327 {0x3806, 0x07}, 1328 {0x3807, 0xa3}, 1329 {0x3808, 0x05}, 1330 {0x3809, 0x00}, 1331 {0x380a, 0x02}, 1332 {0x380b, 0xd0}, 1333 {0x380c, 0x06}, 1334 {0x380d, 0x90}, 1335 {0x380e, 0x08}, 1336 {0x380f, 0x08}, 1337 {0x3811, 0x04}, 1338 {0x3813, 0x02}, 1339 {0x3814, 0x03}, 1340 {0x3815, 0x01}, 1341 {0x3816, 0x00}, 1342 {0x3817, 0x00}, 1343 {0x3818, 0x00}, 1344 {0x3819, 0x00}, 1345 {0x3820, 0x94}, 1346 {0x3821, 0x47}, 1347 {0x3822, 0x48}, 1348 {0x3826, 0x00}, 1349 {0x3827, 0x08}, 1350 {0x382a, 0x03}, 1351 {0x382b, 0x01}, 1352 {0x3830, 0x08}, 1353 {0x3836, 0x02}, 1354 {0x3837, 0x00}, 1355 {0x3838, 0x10}, 1356 {0x3841, 0xff}, 1357 {0x3846, 0x48}, 1358 {0x3861, 0x00}, 1359 {0x3862, 0x04}, 1360 {0x3863, 0x06}, 1361 {0x3a11, 0x01}, 1362 {0x3a12, 0x78}, 1363 {0x3b00, 0x00}, 1364 {0x3b02, 0x00}, 1365 {0x3b03, 0x00}, 1366 {0x3b04, 0x00}, 1367 {0x3b05, 0x00}, 1368 {0x3c00, 0x89}, 1369 {0x3c01, 0xab}, 1370 {0x3c02, 0x01}, 1371 {0x3c03, 0x00}, 1372 {0x3c04, 0x00}, 1373 {0x3c05, 0x03}, 1374 {0x3c06, 0x00}, 1375 {0x3c07, 0x05}, 1376 {0x3c0c, 0x00}, 1377 {0x3c0d, 0x00}, 1378 {0x3c0e, 0x00}, 1379 {0x3c0f, 0x00}, 1380 {0x3c40, 0x00}, 1381 {0x3c41, 0xa3}, 1382 {0x3c43, 0x7d}, 1383 {0x3c45, 0xd7}, 1384 {0x3c47, 0xfc}, 1385 {0x3c50, 0x05}, 1386 {0x3c52, 0xaa}, 1387 {0x3c54, 0x71}, 1388 {0x3c56, 0x80}, 1389 {0x3d85, 0x17}, 1390 {0x3f03, 0x00}, 1391 {0x3f0a, 0x00}, 1392 {0x3f0b, 0x00}, 1393 {0x4001, 0x60}, 1394 {0x4009, 0x05}, 1395 {0x4020, 0x00}, 1396 {0x4021, 0x00}, 1397 {0x4022, 0x00}, 1398 {0x4023, 0x00}, 1399 {0x4024, 0x00}, 1400 {0x4025, 0x00}, 1401 {0x4026, 0x00}, 1402 {0x4027, 0x00}, 1403 {0x4028, 0x00}, 1404 {0x4029, 0x00}, 1405 {0x402a, 0x00}, 1406 {0x402b, 0x00}, 1407 {0x402c, 0x00}, 1408 {0x402d, 0x00}, 1409 {0x402e, 0x00}, 1410 {0x402f, 0x00}, 1411 {0x4040, 0x00}, 1412 {0x4041, 0x03}, 1413 {0x4042, 0x00}, 1414 {0x4043, 0x7A}, 1415 {0x4044, 0x00}, 1416 {0x4045, 0x7A}, 1417 {0x4046, 0x00}, 1418 {0x4047, 0x7A}, 1419 {0x4048, 0x00}, 1420 {0x4049, 0x7A}, 1421 {0x4307, 0x30}, 1422 {0x4500, 0x58}, 1423 {0x4501, 0x04}, 1424 {0x4502, 0x48}, 1425 {0x4503, 0x10}, 1426 {0x4508, 0x55}, 1427 {0x4509, 0x55}, 1428 {0x450a, 0x00}, 1429 {0x450b, 0x00}, 1430 {0x4600, 0x00}, 1431 {0x4601, 0x80}, 1432 {0x4700, 0xa4}, 1433 {0x4800, 0x4c}, 1434 {0x4816, 0x53}, 1435 {0x481f, 0x40}, 1436 {0x4837, 0x13}, 1437 {0x5000, 0x56}, 1438 {0x5001, 0x01}, 1439 {0x5002, 0x28}, 1440 {0x5004, 0x0c}, 1441 {0x5006, 0x0c}, 1442 {0x5007, 0xe0}, 1443 {0x5008, 0x01}, 1444 {0x5009, 0xb0}, 1445 {0x5901, 0x00}, 1446 {0x5a01, 0x00}, 1447 {0x5a03, 0x00}, 1448 {0x5a04, 0x0c}, 1449 {0x5a05, 0xe0}, 1450 {0x5a06, 0x09}, 1451 {0x5a07, 0xb0}, 1452 {0x5a08, 0x06}, 1453 {0x5e00, 0x00}, 1454 {0x3734, 0x40}, 1455 {0x5b00, 0x01}, 1456 {0x5b01, 0x10}, 1457 {0x5b02, 0x01}, 1458 {0x5b03, 0xdb}, 1459 {0x3d8c, 0x71}, 1460 {0x3d8d, 0xea}, 1461 {0x4017, 0x10}, 1462 {0x3618, 0x2a}, 1463 {0x5780, 0x3e}, 1464 {0x5781, 0x0f}, 1465 {0x5782, 0x44}, 1466 {0x5783, 0x02}, 1467 {0x5784, 0x01}, 1468 {0x5785, 0x01}, 1469 {0x5786, 0x00}, 1470 {0x5787, 0x04}, 1471 {0x5788, 0x02}, 1472 {0x5789, 0x0f}, 1473 {0x578a, 0xfd}, 1474 {0x578b, 0xf5}, 1475 {0x578c, 0xf5}, 1476 {0x578d, 0x03}, 1477 {0x578e, 0x08}, 1478 {0x578f, 0x0c}, 1479 {0x5790, 0x08}, 1480 {0x5791, 0x06}, 1481 {0x5792, 0x00}, 1482 {0x5793, 0x52}, 1483 {0x5794, 0xa3}, 1484 {0x3503, 0x00}, 1485 {0x5045, 0x05}, 1486 {0x4003, 0x40}, 1487 {0x5048, 0x40} 1488 }; 1489 1490 static const struct ov5670_reg mode_640x360_regs[] = { 1491 {0x3000, 0x00}, 1492 {0x3002, 0x21}, 1493 {0x3005, 0xf0}, 1494 {0x3007, 0x00}, 1495 {0x3015, 0x0f}, 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 .reg_list = { 1766 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps), 1767 .regs = mipi_data_rate_840mbps, 1768 } 1769 } 1770 }; 1771 1772 static const s64 link_freq_menu_items[] = { 1773 OV5670_LINK_FREQ_422MHZ 1774 }; 1775 1776 /* 1777 * OV5670 sensor supports following resolutions with full FOV: 1778 * 4:3 ==> {2592x1944, 1296x972, 648x486} 1779 * 16:9 ==> {2560x1440, 1280x720, 640x360} 1780 */ 1781 static const struct ov5670_mode supported_modes[] = { 1782 { 1783 .width = 2592, 1784 .height = 1944, 1785 .vts_def = OV5670_VTS_30FPS, 1786 .vts_min = OV5670_VTS_30FPS, 1787 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1788 .analog_crop = &ov5670_analog_crop, 1789 .reg_list = { 1790 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs), 1791 .regs = mode_2592x1944_regs, 1792 }, 1793 }, 1794 { 1795 .width = 1296, 1796 .height = 972, 1797 .vts_def = OV5670_VTS_30FPS, 1798 .vts_min = 996, 1799 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1800 .analog_crop = &ov5670_analog_crop, 1801 .reg_list = { 1802 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs), 1803 .regs = mode_1296x972_regs, 1804 }, 1805 }, 1806 { 1807 .width = 648, 1808 .height = 486, 1809 .vts_def = OV5670_VTS_30FPS, 1810 .vts_min = 516, 1811 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1812 .analog_crop = &ov5670_analog_crop, 1813 .reg_list = { 1814 .num_of_regs = ARRAY_SIZE(mode_648x486_regs), 1815 .regs = mode_648x486_regs, 1816 }, 1817 }, 1818 { 1819 .width = 2560, 1820 .height = 1440, 1821 .vts_def = OV5670_VTS_30FPS, 1822 .vts_min = OV5670_VTS_30FPS, 1823 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1824 .analog_crop = &ov5670_analog_crop, 1825 .reg_list = { 1826 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs), 1827 .regs = mode_2560x1440_regs, 1828 }, 1829 }, 1830 { 1831 .width = 1280, 1832 .height = 720, 1833 .vts_def = OV5670_VTS_30FPS, 1834 .vts_min = 1020, 1835 1836 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1837 .analog_crop = &ov5670_analog_crop, 1838 .reg_list = { 1839 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), 1840 .regs = mode_1280x720_regs, 1841 }, 1842 }, 1843 { 1844 .width = 640, 1845 .height = 360, 1846 .vts_def = OV5670_VTS_30FPS, 1847 .vts_min = 510, 1848 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1849 .analog_crop = &ov5670_analog_crop, 1850 .reg_list = { 1851 .num_of_regs = ARRAY_SIZE(mode_640x360_regs), 1852 .regs = mode_640x360_regs, 1853 }, 1854 } 1855 }; 1856 1857 struct ov5670 { 1858 struct device *dev; 1859 1860 struct v4l2_subdev sd; 1861 struct media_pad pad; 1862 struct v4l2_fwnode_endpoint endpoint; 1863 1864 struct v4l2_ctrl_handler ctrl_handler; 1865 /* V4L2 Controls */ 1866 struct v4l2_ctrl *link_freq; 1867 struct v4l2_ctrl *pixel_rate; 1868 struct v4l2_ctrl *vblank; 1869 struct v4l2_ctrl *hblank; 1870 struct v4l2_ctrl *exposure; 1871 1872 /* Current mode */ 1873 const struct ov5670_mode *cur_mode; 1874 1875 /* xvclk input clock */ 1876 struct clk *xvclk; 1877 1878 /* Regulators */ 1879 struct regulator_bulk_data supplies[OV5670_NUM_SUPPLIES]; 1880 1881 /* Power-down and reset gpios. */ 1882 struct gpio_desc *pwdn_gpio; /* PWDNB pin. */ 1883 struct gpio_desc *reset_gpio; /* XSHUTDOWN pin. */ 1884 1885 /* To serialize asynchronous callbacks */ 1886 struct mutex mutex; 1887 1888 /* True if the device has been identified */ 1889 bool identified; 1890 }; 1891 1892 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd) 1893 1894 /* Read registers up to 4 at a time */ 1895 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1896 u32 *val) 1897 { 1898 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1899 struct i2c_msg msgs[2]; 1900 u8 *data_be_p; 1901 __be32 data_be = 0; 1902 __be16 reg_addr_be = cpu_to_be16(reg); 1903 int ret; 1904 1905 if (len > 4) 1906 return -EINVAL; 1907 1908 data_be_p = (u8 *)&data_be; 1909 /* Write register address */ 1910 msgs[0].addr = client->addr; 1911 msgs[0].flags = 0; 1912 msgs[0].len = 2; 1913 msgs[0].buf = (u8 *)®_addr_be; 1914 1915 /* Read data from register */ 1916 msgs[1].addr = client->addr; 1917 msgs[1].flags = I2C_M_RD; 1918 msgs[1].len = len; 1919 msgs[1].buf = &data_be_p[4 - len]; 1920 1921 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 1922 if (ret != ARRAY_SIZE(msgs)) 1923 return -EIO; 1924 1925 *val = be32_to_cpu(data_be); 1926 1927 return 0; 1928 } 1929 1930 /* Write registers up to 4 at a time */ 1931 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1932 u32 val) 1933 { 1934 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1935 int buf_i; 1936 int val_i; 1937 u8 buf[6]; 1938 u8 *val_p; 1939 __be32 tmp; 1940 1941 if (len > 4) 1942 return -EINVAL; 1943 1944 buf[0] = reg >> 8; 1945 buf[1] = reg & 0xff; 1946 1947 tmp = cpu_to_be32(val); 1948 val_p = (u8 *)&tmp; 1949 buf_i = 2; 1950 val_i = 4 - len; 1951 1952 while (val_i < 4) 1953 buf[buf_i++] = val_p[val_i++]; 1954 1955 if (i2c_master_send(client, buf, len + 2) != len + 2) 1956 return -EIO; 1957 1958 return 0; 1959 } 1960 1961 /* Write a list of registers */ 1962 static int ov5670_write_regs(struct ov5670 *ov5670, 1963 const struct ov5670_reg *regs, unsigned int len) 1964 { 1965 unsigned int i; 1966 int ret; 1967 1968 for (i = 0; i < len; i++) { 1969 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val); 1970 if (ret) { 1971 dev_err_ratelimited( 1972 ov5670->dev, 1973 "Failed to write reg 0x%4.4x. error = %d\n", 1974 regs[i].address, ret); 1975 1976 return ret; 1977 } 1978 } 1979 1980 return 0; 1981 } 1982 1983 static int ov5670_write_reg_list(struct ov5670 *ov5670, 1984 const struct ov5670_reg_list *r_list) 1985 { 1986 return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs); 1987 } 1988 1989 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain) 1990 { 1991 int ret; 1992 1993 ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN, 1994 OV5670_REG_VALUE_16BIT, d_gain); 1995 if (ret) 1996 return ret; 1997 1998 ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN, 1999 OV5670_REG_VALUE_16BIT, d_gain); 2000 if (ret) 2001 return ret; 2002 2003 return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN, 2004 OV5670_REG_VALUE_16BIT, d_gain); 2005 } 2006 2007 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern) 2008 { 2009 u32 val; 2010 int ret; 2011 2012 /* Set the bayer order that we support */ 2013 ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL, 2014 OV5670_REG_VALUE_08BIT, 0); 2015 if (ret) 2016 return ret; 2017 2018 ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN, 2019 OV5670_REG_VALUE_08BIT, &val); 2020 if (ret) 2021 return ret; 2022 2023 if (pattern) 2024 val |= OV5670_TEST_PATTERN_ENABLE; 2025 else 2026 val &= ~OV5670_TEST_PATTERN_ENABLE; 2027 2028 return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN, 2029 OV5670_REG_VALUE_08BIT, val); 2030 } 2031 2032 /* Initialize control handlers */ 2033 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl) 2034 { 2035 struct ov5670 *ov5670 = container_of(ctrl->handler, 2036 struct ov5670, ctrl_handler); 2037 s64 max; 2038 int ret; 2039 2040 /* Propagate change of current control to all related controls */ 2041 switch (ctrl->id) { 2042 case V4L2_CID_VBLANK: 2043 /* Update max exposure while meeting expected vblanking */ 2044 max = ov5670->cur_mode->height + ctrl->val - 8; 2045 __v4l2_ctrl_modify_range(ov5670->exposure, 2046 ov5670->exposure->minimum, max, 2047 ov5670->exposure->step, max); 2048 break; 2049 } 2050 2051 /* V4L2 controls values will be applied only when power is already up */ 2052 if (!pm_runtime_get_if_in_use(ov5670->dev)) 2053 return 0; 2054 2055 switch (ctrl->id) { 2056 case V4L2_CID_ANALOGUE_GAIN: 2057 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN, 2058 OV5670_REG_VALUE_16BIT, ctrl->val); 2059 break; 2060 case V4L2_CID_DIGITAL_GAIN: 2061 ret = ov5670_update_digital_gain(ov5670, ctrl->val); 2062 break; 2063 case V4L2_CID_EXPOSURE: 2064 /* 4 least significant bits of expsoure are fractional part */ 2065 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE, 2066 OV5670_REG_VALUE_24BIT, ctrl->val << 4); 2067 break; 2068 case V4L2_CID_VBLANK: 2069 /* Update VTS that meets expected vertical blanking */ 2070 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS, 2071 OV5670_REG_VALUE_16BIT, 2072 ov5670->cur_mode->height + ctrl->val); 2073 break; 2074 case V4L2_CID_TEST_PATTERN: 2075 ret = ov5670_enable_test_pattern(ov5670, ctrl->val); 2076 break; 2077 case V4L2_CID_HBLANK: 2078 case V4L2_CID_LINK_FREQ: 2079 case V4L2_CID_PIXEL_RATE: 2080 ret = 0; 2081 break; 2082 default: 2083 ret = -EINVAL; 2084 dev_info(ov5670->dev, "%s Unhandled id:0x%x, val:0x%x\n", 2085 __func__, ctrl->id, ctrl->val); 2086 break; 2087 } 2088 2089 pm_runtime_put(ov5670->dev); 2090 2091 return ret; 2092 } 2093 2094 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = { 2095 .s_ctrl = ov5670_set_ctrl, 2096 }; 2097 2098 /* Initialize control handlers */ 2099 static int ov5670_init_controls(struct ov5670 *ov5670) 2100 { 2101 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2102 &ov5670->endpoint.bus.mipi_csi2; 2103 struct v4l2_fwnode_device_properties props; 2104 struct v4l2_ctrl_handler *ctrl_hdlr; 2105 unsigned int lanes_count; 2106 s64 mipi_pixel_rate; 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 lanes_count = bus_mipi_csi2->num_data_lanes; 2128 mipi_pixel_rate = OV5670_LINK_FREQ_422MHZ * 2 * lanes_count / 10; 2129 2130 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2131 V4L2_CID_PIXEL_RATE, 2132 mipi_pixel_rate, 2133 mipi_pixel_rate, 2134 1, 2135 mipi_pixel_rate); 2136 2137 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height; 2138 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height; 2139 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height; 2140 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2141 V4L2_CID_VBLANK, vblank_min, 2142 vblank_max, 1, vblank_def); 2143 2144 ov5670->hblank = v4l2_ctrl_new_std( 2145 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK, 2146 OV5670_FIXED_PPL - ov5670->cur_mode->width, 2147 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1, 2148 OV5670_FIXED_PPL - ov5670->cur_mode->width); 2149 if (ov5670->hblank) 2150 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 2151 2152 /* Get min, max, step, default from sensor */ 2153 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 2154 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, 2155 ANALOG_GAIN_DEFAULT); 2156 2157 /* Digital gain */ 2158 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 2159 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX, 2160 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT); 2161 2162 /* Get min, max, step, default from sensor */ 2163 exposure_max = ov5670->cur_mode->vts_def - 8; 2164 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2165 V4L2_CID_EXPOSURE, 2166 OV5670_EXPOSURE_MIN, 2167 exposure_max, OV5670_EXPOSURE_STEP, 2168 exposure_max); 2169 2170 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops, 2171 V4L2_CID_TEST_PATTERN, 2172 ARRAY_SIZE(ov5670_test_pattern_menu) - 1, 2173 0, 0, ov5670_test_pattern_menu); 2174 2175 if (ctrl_hdlr->error) { 2176 ret = ctrl_hdlr->error; 2177 goto error; 2178 } 2179 2180 ret = v4l2_fwnode_device_parse(ov5670->dev, &props); 2181 if (ret) 2182 goto error; 2183 2184 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops, 2185 &props); 2186 if (ret) 2187 goto error; 2188 2189 ov5670->sd.ctrl_handler = ctrl_hdlr; 2190 2191 return 0; 2192 2193 error: 2194 v4l2_ctrl_handler_free(ctrl_hdlr); 2195 2196 return ret; 2197 } 2198 2199 static int ov5670_init_state(struct v4l2_subdev *sd, 2200 struct v4l2_subdev_state *state) 2201 { 2202 struct v4l2_mbus_framefmt *fmt = 2203 v4l2_subdev_state_get_format(state, 0); 2204 const struct ov5670_mode *default_mode = &supported_modes[0]; 2205 struct v4l2_rect *crop = v4l2_subdev_state_get_crop(state, 0); 2206 2207 fmt->width = default_mode->width; 2208 fmt->height = default_mode->height; 2209 fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2210 fmt->field = V4L2_FIELD_NONE; 2211 fmt->colorspace = V4L2_COLORSPACE_SRGB; 2212 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB); 2213 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2214 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB); 2215 2216 *crop = *default_mode->analog_crop; 2217 2218 return 0; 2219 } 2220 2221 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd, 2222 struct v4l2_subdev_state *sd_state, 2223 struct v4l2_subdev_mbus_code_enum *code) 2224 { 2225 /* Only one bayer order GRBG is supported */ 2226 if (code->index > 0) 2227 return -EINVAL; 2228 2229 code->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2230 2231 return 0; 2232 } 2233 2234 static int ov5670_enum_frame_size(struct v4l2_subdev *sd, 2235 struct v4l2_subdev_state *sd_state, 2236 struct v4l2_subdev_frame_size_enum *fse) 2237 { 2238 if (fse->index >= ARRAY_SIZE(supported_modes)) 2239 return -EINVAL; 2240 2241 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) 2242 return -EINVAL; 2243 2244 fse->min_width = supported_modes[fse->index].width; 2245 fse->max_width = fse->min_width; 2246 fse->min_height = supported_modes[fse->index].height; 2247 fse->max_height = fse->min_height; 2248 2249 return 0; 2250 } 2251 2252 static void ov5670_update_pad_format(const struct ov5670_mode *mode, 2253 struct v4l2_subdev_format *fmt) 2254 { 2255 fmt->format.width = mode->width; 2256 fmt->format.height = mode->height; 2257 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2258 fmt->format.field = V4L2_FIELD_NONE; 2259 } 2260 2261 static int ov5670_do_get_pad_format(struct ov5670 *ov5670, 2262 struct v4l2_subdev_state *sd_state, 2263 struct v4l2_subdev_format *fmt) 2264 { 2265 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) 2266 fmt->format = *v4l2_subdev_state_get_format(sd_state, 2267 fmt->pad); 2268 else 2269 ov5670_update_pad_format(ov5670->cur_mode, fmt); 2270 2271 return 0; 2272 } 2273 2274 static int ov5670_get_pad_format(struct v4l2_subdev *sd, 2275 struct v4l2_subdev_state *sd_state, 2276 struct v4l2_subdev_format *fmt) 2277 { 2278 struct ov5670 *ov5670 = to_ov5670(sd); 2279 int ret; 2280 2281 mutex_lock(&ov5670->mutex); 2282 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt); 2283 mutex_unlock(&ov5670->mutex); 2284 2285 return ret; 2286 } 2287 2288 static int ov5670_set_pad_format(struct v4l2_subdev *sd, 2289 struct v4l2_subdev_state *sd_state, 2290 struct v4l2_subdev_format *fmt) 2291 { 2292 struct ov5670 *ov5670 = to_ov5670(sd); 2293 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2294 &ov5670->endpoint.bus.mipi_csi2; 2295 const struct ov5670_mode *mode; 2296 unsigned int lanes_count; 2297 s64 mipi_pixel_rate; 2298 s32 vblank_def; 2299 s64 link_freq; 2300 s32 h_blank; 2301 2302 mutex_lock(&ov5670->mutex); 2303 2304 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2305 2306 mode = v4l2_find_nearest_size(supported_modes, 2307 ARRAY_SIZE(supported_modes), 2308 width, height, 2309 fmt->format.width, fmt->format.height); 2310 ov5670_update_pad_format(mode, fmt); 2311 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 2312 *v4l2_subdev_state_get_format(sd_state, fmt->pad) = fmt->format; 2313 } else { 2314 ov5670->cur_mode = mode; 2315 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index); 2316 2317 lanes_count = bus_mipi_csi2->num_data_lanes; 2318 link_freq = link_freq_menu_items[mode->link_freq_index]; 2319 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ 2320 mipi_pixel_rate = div_s64(link_freq * 2 * lanes_count, 10); 2321 __v4l2_ctrl_s_ctrl_int64( 2322 ov5670->pixel_rate, 2323 mipi_pixel_rate); 2324 /* Update limits and set FPS to default */ 2325 vblank_def = ov5670->cur_mode->vts_def - 2326 ov5670->cur_mode->height; 2327 __v4l2_ctrl_modify_range( 2328 ov5670->vblank, 2329 ov5670->cur_mode->vts_min - ov5670->cur_mode->height, 2330 OV5670_VTS_MAX - ov5670->cur_mode->height, 1, 2331 vblank_def); 2332 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def); 2333 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width; 2334 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1, 2335 h_blank); 2336 } 2337 2338 mutex_unlock(&ov5670->mutex); 2339 2340 return 0; 2341 } 2342 2343 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames) 2344 { 2345 *frames = OV5670_NUM_OF_SKIP_FRAMES; 2346 2347 return 0; 2348 } 2349 2350 /* Verify chip ID */ 2351 static int ov5670_identify_module(struct ov5670 *ov5670) 2352 { 2353 int ret; 2354 u32 val; 2355 2356 if (ov5670->identified) 2357 return 0; 2358 2359 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID, 2360 OV5670_REG_VALUE_24BIT, &val); 2361 if (ret) 2362 return ret; 2363 2364 if (val != OV5670_CHIP_ID) { 2365 dev_err(ov5670->dev, "chip id mismatch: %x!=%x\n", 2366 OV5670_CHIP_ID, val); 2367 return -ENXIO; 2368 } 2369 2370 ov5670->identified = true; 2371 2372 return 0; 2373 } 2374 2375 static int ov5670_mipi_configure(struct ov5670 *ov5670) 2376 { 2377 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2378 &ov5670->endpoint.bus.mipi_csi2; 2379 unsigned int lanes_count = bus_mipi_csi2->num_data_lanes; 2380 2381 return ov5670_write_reg(ov5670, OV5670_MIPI_SC_CTRL0_REG, 2382 OV5670_REG_VALUE_08BIT, 2383 OV5670_MIPI_SC_CTRL0_LANES(lanes_count) | 2384 OV5670_MIPI_SC_CTRL0_MIPI_EN | 2385 OV5670_MIPI_SC_CTRL0_RESERVED); 2386 } 2387 2388 /* Prepare streaming by writing default values and customized values */ 2389 static int ov5670_start_streaming(struct ov5670 *ov5670) 2390 { 2391 const struct ov5670_reg_list *reg_list; 2392 int link_freq_index; 2393 int ret; 2394 2395 ret = ov5670_identify_module(ov5670); 2396 if (ret) 2397 return ret; 2398 2399 /* Get out of from software reset */ 2400 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST, 2401 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST); 2402 if (ret) { 2403 dev_err(ov5670->dev, "%s failed to set powerup registers\n", 2404 __func__); 2405 return ret; 2406 } 2407 2408 /* Setup PLL */ 2409 link_freq_index = ov5670->cur_mode->link_freq_index; 2410 reg_list = &link_freq_configs[link_freq_index].reg_list; 2411 ret = ov5670_write_reg_list(ov5670, reg_list); 2412 if (ret) { 2413 dev_err(ov5670->dev, "%s failed to set plls\n", __func__); 2414 return ret; 2415 } 2416 2417 /* Apply default values of current mode */ 2418 reg_list = &ov5670->cur_mode->reg_list; 2419 ret = ov5670_write_reg_list(ov5670, reg_list); 2420 if (ret) { 2421 dev_err(ov5670->dev, "%s failed to set mode\n", __func__); 2422 return ret; 2423 } 2424 2425 ret = ov5670_mipi_configure(ov5670); 2426 if (ret) { 2427 dev_err(ov5670->dev, "%s failed to configure MIPI\n", __func__); 2428 return ret; 2429 } 2430 2431 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler); 2432 if (ret) 2433 return ret; 2434 2435 /* Write stream on list */ 2436 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2437 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING); 2438 if (ret) { 2439 dev_err(ov5670->dev, "%s failed to set stream\n", __func__); 2440 return ret; 2441 } 2442 2443 return 0; 2444 } 2445 2446 static int ov5670_stop_streaming(struct ov5670 *ov5670) 2447 { 2448 int ret; 2449 2450 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2451 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY); 2452 if (ret) 2453 dev_err(ov5670->dev, "%s failed to set stream\n", __func__); 2454 2455 /* Return success even if it was an error, as there is nothing the 2456 * caller can do about it. 2457 */ 2458 return 0; 2459 } 2460 2461 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable) 2462 { 2463 struct ov5670 *ov5670 = to_ov5670(sd); 2464 int ret = 0; 2465 2466 mutex_lock(&ov5670->mutex); 2467 2468 if (enable) { 2469 ret = pm_runtime_resume_and_get(ov5670->dev); 2470 if (ret < 0) 2471 goto unlock_and_return; 2472 2473 ret = ov5670_start_streaming(ov5670); 2474 if (ret) 2475 goto error; 2476 } else { 2477 ret = ov5670_stop_streaming(ov5670); 2478 pm_runtime_put(ov5670->dev); 2479 } 2480 goto unlock_and_return; 2481 2482 error: 2483 pm_runtime_put(ov5670->dev); 2484 2485 unlock_and_return: 2486 mutex_unlock(&ov5670->mutex); 2487 2488 return ret; 2489 } 2490 2491 static int __maybe_unused ov5670_runtime_resume(struct device *dev) 2492 { 2493 struct i2c_client *client = to_i2c_client(dev); 2494 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2495 struct ov5670 *ov5670 = to_ov5670(sd); 2496 unsigned long delay_us; 2497 int ret; 2498 2499 ret = clk_prepare_enable(ov5670->xvclk); 2500 if (ret) 2501 return ret; 2502 2503 ret = regulator_bulk_enable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2504 if (ret) { 2505 clk_disable_unprepare(ov5670->xvclk); 2506 return ret; 2507 } 2508 2509 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 0); 2510 gpiod_set_value_cansleep(ov5670->reset_gpio, 0); 2511 2512 /* 8192 * 2 clock pulses before the first SCCB transaction. */ 2513 delay_us = DIV_ROUND_UP(8192 * 2 * 1000, 2514 DIV_ROUND_UP(OV5670_XVCLK_FREQ, 1000)); 2515 fsleep(delay_us); 2516 2517 return 0; 2518 } 2519 2520 static int __maybe_unused ov5670_runtime_suspend(struct device *dev) 2521 { 2522 struct i2c_client *client = to_i2c_client(dev); 2523 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2524 struct ov5670 *ov5670 = to_ov5670(sd); 2525 2526 gpiod_set_value_cansleep(ov5670->reset_gpio, 1); 2527 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 1); 2528 regulator_bulk_disable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2529 clk_disable_unprepare(ov5670->xvclk); 2530 2531 return 0; 2532 } 2533 2534 static const struct v4l2_subdev_core_ops ov5670_core_ops = { 2535 .log_status = v4l2_ctrl_subdev_log_status, 2536 .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 2537 .unsubscribe_event = v4l2_event_subdev_unsubscribe, 2538 }; 2539 2540 static const struct v4l2_rect * 2541 __ov5670_get_pad_crop(struct ov5670 *sensor, struct v4l2_subdev_state *state, 2542 unsigned int pad, enum v4l2_subdev_format_whence which) 2543 { 2544 const struct ov5670_mode *mode = sensor->cur_mode; 2545 2546 switch (which) { 2547 case V4L2_SUBDEV_FORMAT_TRY: 2548 return v4l2_subdev_state_get_crop(state, pad); 2549 case V4L2_SUBDEV_FORMAT_ACTIVE: 2550 return mode->analog_crop; 2551 } 2552 2553 return NULL; 2554 } 2555 2556 static int ov5670_get_selection(struct v4l2_subdev *subdev, 2557 struct v4l2_subdev_state *state, 2558 struct v4l2_subdev_selection *sel) 2559 { 2560 struct ov5670 *sensor = to_ov5670(subdev); 2561 2562 switch (sel->target) { 2563 case V4L2_SEL_TGT_CROP: 2564 mutex_lock(&sensor->mutex); 2565 sel->r = *__ov5670_get_pad_crop(sensor, state, sel->pad, 2566 sel->which); 2567 mutex_unlock(&sensor->mutex); 2568 break; 2569 case V4L2_SEL_TGT_NATIVE_SIZE: 2570 case V4L2_SEL_TGT_CROP_BOUNDS: 2571 sel->r.top = 0; 2572 sel->r.left = 0; 2573 sel->r.width = OV5670_NATIVE_WIDTH; 2574 sel->r.height = OV5670_NATIVE_HEIGHT; 2575 break; 2576 case V4L2_SEL_TGT_CROP_DEFAULT: 2577 sel->r = ov5670_analog_crop; 2578 break; 2579 default: 2580 return -EINVAL; 2581 } 2582 2583 return 0; 2584 } 2585 2586 static const struct v4l2_subdev_video_ops ov5670_video_ops = { 2587 .s_stream = ov5670_set_stream, 2588 }; 2589 2590 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = { 2591 .enum_mbus_code = ov5670_enum_mbus_code, 2592 .get_fmt = ov5670_get_pad_format, 2593 .set_fmt = ov5670_set_pad_format, 2594 .enum_frame_size = ov5670_enum_frame_size, 2595 .get_selection = ov5670_get_selection, 2596 .set_selection = ov5670_get_selection, 2597 }; 2598 2599 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = { 2600 .g_skip_frames = ov5670_get_skip_frames, 2601 }; 2602 2603 static const struct v4l2_subdev_ops ov5670_subdev_ops = { 2604 .core = &ov5670_core_ops, 2605 .video = &ov5670_video_ops, 2606 .pad = &ov5670_pad_ops, 2607 .sensor = &ov5670_sensor_ops, 2608 }; 2609 2610 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = { 2611 .init_state = ov5670_init_state, 2612 }; 2613 2614 static const struct media_entity_operations ov5670_subdev_entity_ops = { 2615 .link_validate = v4l2_subdev_link_validate, 2616 }; 2617 2618 static int ov5670_regulators_probe(struct ov5670 *ov5670) 2619 { 2620 unsigned int i; 2621 2622 for (i = 0; i < OV5670_NUM_SUPPLIES; i++) 2623 ov5670->supplies[i].supply = ov5670_supply_names[i]; 2624 2625 return devm_regulator_bulk_get(ov5670->dev, OV5670_NUM_SUPPLIES, 2626 ov5670->supplies); 2627 } 2628 2629 static int ov5670_gpio_probe(struct ov5670 *ov5670) 2630 { 2631 ov5670->pwdn_gpio = devm_gpiod_get_optional(ov5670->dev, "powerdown", 2632 GPIOD_OUT_LOW); 2633 if (IS_ERR(ov5670->pwdn_gpio)) 2634 return PTR_ERR(ov5670->pwdn_gpio); 2635 2636 ov5670->reset_gpio = devm_gpiod_get_optional(ov5670->dev, "reset", 2637 GPIOD_OUT_LOW); 2638 if (IS_ERR(ov5670->reset_gpio)) 2639 return PTR_ERR(ov5670->reset_gpio); 2640 2641 return 0; 2642 } 2643 2644 static int ov5670_probe(struct i2c_client *client) 2645 { 2646 struct fwnode_handle *handle; 2647 struct ov5670 *ov5670; 2648 u32 input_clk = 0; 2649 bool full_power; 2650 int ret; 2651 2652 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL); 2653 if (!ov5670) 2654 return -ENOMEM; 2655 2656 ov5670->dev = &client->dev; 2657 2658 ov5670->xvclk = devm_v4l2_sensor_clk_get(ov5670->dev, NULL); 2659 if (IS_ERR(ov5670->xvclk)) 2660 return dev_err_probe(ov5670->dev, PTR_ERR(ov5670->xvclk), 2661 "error getting clock\n"); 2662 2663 input_clk = clk_get_rate(ov5670->xvclk); 2664 if (input_clk != OV5670_XVCLK_FREQ) { 2665 dev_err(ov5670->dev, 2666 "Unsupported clock frequency %u\n", input_clk); 2667 return -EINVAL; 2668 } 2669 2670 /* Initialize subdev */ 2671 v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops); 2672 ov5670->sd.internal_ops = &ov5670_internal_ops; 2673 2674 ret = ov5670_regulators_probe(ov5670); 2675 if (ret) 2676 return dev_err_probe(ov5670->dev, ret, "Regulators probe failed\n"); 2677 2678 ret = ov5670_gpio_probe(ov5670); 2679 if (ret) 2680 return dev_err_probe(ov5670->dev, ret, "GPIO probe failed\n"); 2681 2682 /* 2683 * Graph Endpoint. If it's missing we defer rather than fail, as this 2684 * sensor is known to co-exist on systems with the IPU3 and so it might 2685 * be created by the ipu-bridge. 2686 */ 2687 handle = fwnode_graph_get_next_endpoint(dev_fwnode(ov5670->dev), NULL); 2688 if (!handle) 2689 return dev_err_probe(ov5670->dev, -EPROBE_DEFER, 2690 "Endpoint for node get failed\n"); 2691 2692 ov5670->endpoint.bus_type = V4L2_MBUS_CSI2_DPHY; 2693 ov5670->endpoint.bus.mipi_csi2.num_data_lanes = 2; 2694 2695 ret = v4l2_fwnode_endpoint_alloc_parse(handle, &ov5670->endpoint); 2696 fwnode_handle_put(handle); 2697 if (ret) 2698 return dev_err_probe(ov5670->dev, ret, "Endpoint parse failed\n"); 2699 2700 full_power = acpi_dev_state_d0(ov5670->dev); 2701 if (full_power) { 2702 ret = ov5670_runtime_resume(ov5670->dev); 2703 if (ret) { 2704 dev_err_probe(ov5670->dev, ret, "Power up failed\n"); 2705 goto error_endpoint; 2706 } 2707 2708 /* Check module identity */ 2709 ret = ov5670_identify_module(ov5670); 2710 if (ret) { 2711 dev_err_probe(ov5670->dev, ret, "ov5670_identify_module() error\n"); 2712 goto error_power_off; 2713 } 2714 } 2715 2716 mutex_init(&ov5670->mutex); 2717 2718 /* Set default mode to max resolution */ 2719 ov5670->cur_mode = &supported_modes[0]; 2720 2721 ret = ov5670_init_controls(ov5670); 2722 if (ret) { 2723 dev_err_probe(ov5670->dev, ret, "ov5670_init_controls() error\n"); 2724 goto error_mutex_destroy; 2725 } 2726 2727 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 2728 V4L2_SUBDEV_FL_HAS_EVENTS; 2729 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops; 2730 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2731 2732 /* Source pad initialization */ 2733 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE; 2734 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad); 2735 if (ret) { 2736 dev_err_probe(ov5670->dev, ret, "media_entity_pads_init() error\n"); 2737 goto error_handler_free; 2738 } 2739 2740 /* Set the device's state to active if it's in D0 state. */ 2741 if (full_power) 2742 pm_runtime_set_active(ov5670->dev); 2743 pm_runtime_enable(ov5670->dev); 2744 2745 /* Async register for subdev */ 2746 ret = v4l2_async_register_subdev_sensor(&ov5670->sd); 2747 if (ret < 0) { 2748 dev_err_probe(ov5670->dev, ret, "v4l2_async_register_subdev() error\n"); 2749 goto error_pm_disable; 2750 } 2751 2752 pm_runtime_idle(ov5670->dev); 2753 2754 return 0; 2755 2756 error_pm_disable: 2757 pm_runtime_disable(ov5670->dev); 2758 2759 media_entity_cleanup(&ov5670->sd.entity); 2760 2761 error_handler_free: 2762 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler); 2763 2764 error_mutex_destroy: 2765 mutex_destroy(&ov5670->mutex); 2766 2767 error_power_off: 2768 if (full_power) 2769 ov5670_runtime_suspend(ov5670->dev); 2770 2771 error_endpoint: 2772 v4l2_fwnode_endpoint_free(&ov5670->endpoint); 2773 2774 return ret; 2775 } 2776 2777 static void ov5670_remove(struct i2c_client *client) 2778 { 2779 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2780 struct ov5670 *ov5670 = to_ov5670(sd); 2781 2782 v4l2_async_unregister_subdev(sd); 2783 media_entity_cleanup(&sd->entity); 2784 v4l2_ctrl_handler_free(sd->ctrl_handler); 2785 mutex_destroy(&ov5670->mutex); 2786 2787 pm_runtime_disable(ov5670->dev); 2788 ov5670_runtime_suspend(ov5670->dev); 2789 2790 v4l2_fwnode_endpoint_free(&ov5670->endpoint); 2791 } 2792 2793 static const struct dev_pm_ops ov5670_pm_ops = { 2794 SET_RUNTIME_PM_OPS(ov5670_runtime_suspend, ov5670_runtime_resume, NULL) 2795 }; 2796 2797 #ifdef CONFIG_ACPI 2798 static const struct acpi_device_id ov5670_acpi_ids[] = { 2799 { "INT3479" }, 2800 { /* sentinel */ } 2801 }; 2802 2803 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids); 2804 #endif 2805 2806 static const struct of_device_id ov5670_of_ids[] = { 2807 { .compatible = "ovti,ov5670" }, 2808 { /* sentinel */ } 2809 }; 2810 MODULE_DEVICE_TABLE(of, ov5670_of_ids); 2811 2812 static struct i2c_driver ov5670_i2c_driver = { 2813 .driver = { 2814 .name = "ov5670", 2815 .pm = &ov5670_pm_ops, 2816 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids), 2817 .of_match_table = ov5670_of_ids, 2818 }, 2819 .probe = ov5670_probe, 2820 .remove = ov5670_remove, 2821 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE, 2822 }; 2823 2824 module_i2c_driver(ov5670_i2c_driver); 2825 2826 MODULE_AUTHOR("Rapolu, Chiranjeevi"); 2827 MODULE_AUTHOR("Yang, Hyungwoo"); 2828 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver"); 2829 MODULE_LICENSE("GPL v2"); 2830