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 #define OV5670_MIPI_SC_CTRL0_REG 0x3018 33 #define OV5670_MIPI_SC_CTRL0_LANES(v) ((((v) - 1) << 5) & \ 34 GENMASK(7, 5)) 35 #define OV5670_MIPI_SC_CTRL0_MIPI_EN BIT(4) 36 #define OV5670_MIPI_SC_CTRL0_RESERVED BIT(1) 37 38 /* vertical-timings from sensor */ 39 #define OV5670_REG_VTS 0x380e 40 #define OV5670_VTS_30FPS 0x0808 /* default for 30 fps */ 41 #define OV5670_VTS_MAX 0xffff 42 43 /* horizontal-timings from sensor */ 44 #define OV5670_REG_HTS 0x380c 45 46 /* 47 * Pixels-per-line(PPL) = Time-per-line * pixel-rate 48 * In OV5670, Time-per-line = HTS/SCLK. 49 * HTS is fixed for all resolutions, not recommended to change. 50 */ 51 #define OV5670_FIXED_PPL 2724 /* Pixels per line */ 52 53 /* Exposure controls from sensor */ 54 #define OV5670_REG_EXPOSURE 0x3500 55 #define OV5670_EXPOSURE_MIN 4 56 #define OV5670_EXPOSURE_STEP 1 57 58 /* Analog gain controls from sensor */ 59 #define OV5670_REG_ANALOG_GAIN 0x3508 60 #define ANALOG_GAIN_MIN 0 61 #define ANALOG_GAIN_MAX 8191 62 #define ANALOG_GAIN_STEP 1 63 #define ANALOG_GAIN_DEFAULT 128 64 65 /* Digital gain controls from sensor */ 66 #define OV5670_REG_R_DGTL_GAIN 0x5032 67 #define OV5670_REG_G_DGTL_GAIN 0x5034 68 #define OV5670_REG_B_DGTL_GAIN 0x5036 69 #define OV5670_DGTL_GAIN_MIN 0 70 #define OV5670_DGTL_GAIN_MAX 4095 71 #define OV5670_DGTL_GAIN_STEP 1 72 #define OV5670_DGTL_GAIN_DEFAULT 1024 73 74 /* Test Pattern Control */ 75 #define OV5670_REG_TEST_PATTERN 0x4303 76 #define OV5670_TEST_PATTERN_ENABLE BIT(3) 77 #define OV5670_REG_TEST_PATTERN_CTRL 0x4320 78 79 #define OV5670_REG_VALUE_08BIT 1 80 #define OV5670_REG_VALUE_16BIT 2 81 #define OV5670_REG_VALUE_24BIT 3 82 83 /* Pixel Array */ 84 #define OV5670_NATIVE_WIDTH 2624 85 #define OV5670_NATIVE_HEIGHT 1980 86 87 /* Initial number of frames to skip to avoid possible garbage */ 88 #define OV5670_NUM_OF_SKIP_FRAMES 2 89 90 struct ov5670_reg { 91 u16 address; 92 u8 val; 93 }; 94 95 struct ov5670_reg_list { 96 u32 num_of_regs; 97 const struct ov5670_reg *regs; 98 }; 99 100 struct ov5670_link_freq_config { 101 const struct ov5670_reg_list reg_list; 102 }; 103 104 static const char * const ov5670_supply_names[] = { 105 "avdd", /* Analog power */ 106 "dvdd", /* Digital power */ 107 "dovdd", /* Digital output power */ 108 }; 109 110 #define OV5670_NUM_SUPPLIES ARRAY_SIZE(ov5670_supply_names) 111 112 struct ov5670_mode { 113 /* Frame width in pixels */ 114 u32 width; 115 116 /* Frame height in pixels */ 117 u32 height; 118 119 /* Default vertical timining size */ 120 u32 vts_def; 121 122 /* Min vertical timining size */ 123 u32 vts_min; 124 125 /* Link frequency needed for this resolution */ 126 u32 link_freq_index; 127 128 /* Analog crop rectangle */ 129 const struct v4l2_rect *analog_crop; 130 131 /* Sensor register settings for this resolution */ 132 const struct ov5670_reg_list reg_list; 133 }; 134 135 /* 136 * All the modes supported by the driver are obtained by subsampling the 137 * full pixel array. The below values are reflected in registers from 138 * 0x3800-0x3807 in the modes register-value tables. 139 */ 140 static const struct v4l2_rect ov5670_analog_crop = { 141 .left = 12, 142 .top = 4, 143 .width = 2600, 144 .height = 1952, 145 }; 146 147 static const struct ov5670_reg mipi_data_rate_840mbps[] = { 148 {0x0300, 0x04}, 149 {0x0301, 0x00}, 150 {0x0302, 0x84}, 151 {0x0303, 0x00}, 152 {0x0304, 0x03}, 153 {0x0305, 0x01}, 154 {0x0306, 0x01}, 155 {0x030a, 0x00}, 156 {0x030b, 0x00}, 157 {0x030c, 0x00}, 158 {0x030d, 0x26}, 159 {0x030e, 0x00}, 160 {0x030f, 0x06}, 161 {0x0312, 0x01}, 162 {0x3031, 0x0a}, 163 }; 164 165 static const struct ov5670_reg mode_2592x1944_regs[] = { 166 {0x3000, 0x00}, 167 {0x3002, 0x21}, 168 {0x3005, 0xf0}, 169 {0x3007, 0x00}, 170 {0x3015, 0x0f}, 171 {0x301a, 0xf0}, 172 {0x301b, 0xf0}, 173 {0x301c, 0xf0}, 174 {0x301d, 0xf0}, 175 {0x301e, 0xf0}, 176 {0x3030, 0x00}, 177 {0x3031, 0x0a}, 178 {0x303c, 0xff}, 179 {0x303e, 0xff}, 180 {0x3040, 0xf0}, 181 {0x3041, 0x00}, 182 {0x3042, 0xf0}, 183 {0x3106, 0x11}, 184 {0x3500, 0x00}, 185 {0x3501, 0x80}, 186 {0x3502, 0x00}, 187 {0x3503, 0x04}, 188 {0x3504, 0x03}, 189 {0x3505, 0x83}, 190 {0x3508, 0x04}, 191 {0x3509, 0x00}, 192 {0x350e, 0x04}, 193 {0x350f, 0x00}, 194 {0x3510, 0x00}, 195 {0x3511, 0x02}, 196 {0x3512, 0x00}, 197 {0x3601, 0xc8}, 198 {0x3610, 0x88}, 199 {0x3612, 0x48}, 200 {0x3614, 0x5b}, 201 {0x3615, 0x96}, 202 {0x3621, 0xd0}, 203 {0x3622, 0x00}, 204 {0x3623, 0x00}, 205 {0x3633, 0x13}, 206 {0x3634, 0x13}, 207 {0x3635, 0x13}, 208 {0x3636, 0x13}, 209 {0x3645, 0x13}, 210 {0x3646, 0x82}, 211 {0x3650, 0x00}, 212 {0x3652, 0xff}, 213 {0x3655, 0x20}, 214 {0x3656, 0xff}, 215 {0x365a, 0xff}, 216 {0x365e, 0xff}, 217 {0x3668, 0x00}, 218 {0x366a, 0x07}, 219 {0x366e, 0x10}, 220 {0x366d, 0x00}, 221 {0x366f, 0x80}, 222 {0x3700, 0x28}, 223 {0x3701, 0x10}, 224 {0x3702, 0x3a}, 225 {0x3703, 0x19}, 226 {0x3704, 0x10}, 227 {0x3705, 0x00}, 228 {0x3706, 0x66}, 229 {0x3707, 0x08}, 230 {0x3708, 0x34}, 231 {0x3709, 0x40}, 232 {0x370a, 0x01}, 233 {0x370b, 0x1b}, 234 {0x3714, 0x24}, 235 {0x371a, 0x3e}, 236 {0x3733, 0x00}, 237 {0x3734, 0x00}, 238 {0x373a, 0x05}, 239 {0x373b, 0x06}, 240 {0x373c, 0x0a}, 241 {0x373f, 0xa0}, 242 {0x3755, 0x00}, 243 {0x3758, 0x00}, 244 {0x375b, 0x0e}, 245 {0x3766, 0x5f}, 246 {0x3768, 0x00}, 247 {0x3769, 0x22}, 248 {0x3773, 0x08}, 249 {0x3774, 0x1f}, 250 {0x3776, 0x06}, 251 {0x37a0, 0x88}, 252 {0x37a1, 0x5c}, 253 {0x37a7, 0x88}, 254 {0x37a8, 0x70}, 255 {0x37aa, 0x88}, 256 {0x37ab, 0x48}, 257 {0x37b3, 0x66}, 258 {0x37c2, 0x04}, 259 {0x37c5, 0x00}, 260 {0x37c8, 0x00}, 261 {0x3800, 0x00}, 262 {0x3801, 0x0c}, 263 {0x3802, 0x00}, 264 {0x3803, 0x04}, 265 {0x3804, 0x0a}, 266 {0x3805, 0x33}, 267 {0x3806, 0x07}, 268 {0x3807, 0xa3}, 269 {0x3808, 0x0a}, 270 {0x3809, 0x20}, 271 {0x380a, 0x07}, 272 {0x380b, 0x98}, 273 {0x380c, 0x06}, 274 {0x380d, 0x90}, 275 {0x380e, 0x08}, 276 {0x380f, 0x08}, 277 {0x3811, 0x04}, 278 {0x3813, 0x02}, 279 {0x3814, 0x01}, 280 {0x3815, 0x01}, 281 {0x3816, 0x00}, 282 {0x3817, 0x00}, 283 {0x3818, 0x00}, 284 {0x3819, 0x00}, 285 {0x3820, 0x84}, 286 {0x3821, 0x46}, 287 {0x3822, 0x48}, 288 {0x3826, 0x00}, 289 {0x3827, 0x08}, 290 {0x382a, 0x01}, 291 {0x382b, 0x01}, 292 {0x3830, 0x08}, 293 {0x3836, 0x02}, 294 {0x3837, 0x00}, 295 {0x3838, 0x10}, 296 {0x3841, 0xff}, 297 {0x3846, 0x48}, 298 {0x3861, 0x00}, 299 {0x3862, 0x04}, 300 {0x3863, 0x06}, 301 {0x3a11, 0x01}, 302 {0x3a12, 0x78}, 303 {0x3b00, 0x00}, 304 {0x3b02, 0x00}, 305 {0x3b03, 0x00}, 306 {0x3b04, 0x00}, 307 {0x3b05, 0x00}, 308 {0x3c00, 0x89}, 309 {0x3c01, 0xab}, 310 {0x3c02, 0x01}, 311 {0x3c03, 0x00}, 312 {0x3c04, 0x00}, 313 {0x3c05, 0x03}, 314 {0x3c06, 0x00}, 315 {0x3c07, 0x05}, 316 {0x3c0c, 0x00}, 317 {0x3c0d, 0x00}, 318 {0x3c0e, 0x00}, 319 {0x3c0f, 0x00}, 320 {0x3c40, 0x00}, 321 {0x3c41, 0xa3}, 322 {0x3c43, 0x7d}, 323 {0x3c45, 0xd7}, 324 {0x3c47, 0xfc}, 325 {0x3c50, 0x05}, 326 {0x3c52, 0xaa}, 327 {0x3c54, 0x71}, 328 {0x3c56, 0x80}, 329 {0x3d85, 0x17}, 330 {0x3f03, 0x00}, 331 {0x3f0a, 0x00}, 332 {0x3f0b, 0x00}, 333 {0x4001, 0x60}, 334 {0x4009, 0x0d}, 335 {0x4020, 0x00}, 336 {0x4021, 0x00}, 337 {0x4022, 0x00}, 338 {0x4023, 0x00}, 339 {0x4024, 0x00}, 340 {0x4025, 0x00}, 341 {0x4026, 0x00}, 342 {0x4027, 0x00}, 343 {0x4028, 0x00}, 344 {0x4029, 0x00}, 345 {0x402a, 0x00}, 346 {0x402b, 0x00}, 347 {0x402c, 0x00}, 348 {0x402d, 0x00}, 349 {0x402e, 0x00}, 350 {0x402f, 0x00}, 351 {0x4040, 0x00}, 352 {0x4041, 0x03}, 353 {0x4042, 0x00}, 354 {0x4043, 0x7A}, 355 {0x4044, 0x00}, 356 {0x4045, 0x7A}, 357 {0x4046, 0x00}, 358 {0x4047, 0x7A}, 359 {0x4048, 0x00}, 360 {0x4049, 0x7A}, 361 {0x4307, 0x30}, 362 {0x4500, 0x58}, 363 {0x4501, 0x04}, 364 {0x4502, 0x40}, 365 {0x4503, 0x10}, 366 {0x4508, 0xaa}, 367 {0x4509, 0xaa}, 368 {0x450a, 0x00}, 369 {0x450b, 0x00}, 370 {0x4600, 0x01}, 371 {0x4601, 0x03}, 372 {0x4700, 0xa4}, 373 {0x4800, 0x4c}, 374 {0x4816, 0x53}, 375 {0x481f, 0x40}, 376 {0x4837, 0x13}, 377 {0x5000, 0x56}, 378 {0x5001, 0x01}, 379 {0x5002, 0x28}, 380 {0x5004, 0x0c}, 381 {0x5006, 0x0c}, 382 {0x5007, 0xe0}, 383 {0x5008, 0x01}, 384 {0x5009, 0xb0}, 385 {0x5901, 0x00}, 386 {0x5a01, 0x00}, 387 {0x5a03, 0x00}, 388 {0x5a04, 0x0c}, 389 {0x5a05, 0xe0}, 390 {0x5a06, 0x09}, 391 {0x5a07, 0xb0}, 392 {0x5a08, 0x06}, 393 {0x5e00, 0x00}, 394 {0x3734, 0x40}, 395 {0x5b00, 0x01}, 396 {0x5b01, 0x10}, 397 {0x5b02, 0x01}, 398 {0x5b03, 0xdb}, 399 {0x3d8c, 0x71}, 400 {0x3d8d, 0xea}, 401 {0x4017, 0x08}, 402 {0x3618, 0x2a}, 403 {0x5780, 0x3e}, 404 {0x5781, 0x0f}, 405 {0x5782, 0x44}, 406 {0x5783, 0x02}, 407 {0x5784, 0x01}, 408 {0x5785, 0x01}, 409 {0x5786, 0x00}, 410 {0x5787, 0x04}, 411 {0x5788, 0x02}, 412 {0x5789, 0x0f}, 413 {0x578a, 0xfd}, 414 {0x578b, 0xf5}, 415 {0x578c, 0xf5}, 416 {0x578d, 0x03}, 417 {0x578e, 0x08}, 418 {0x578f, 0x0c}, 419 {0x5790, 0x08}, 420 {0x5791, 0x06}, 421 {0x5792, 0x00}, 422 {0x5793, 0x52}, 423 {0x5794, 0xa3}, 424 {0x3503, 0x00}, 425 {0x5045, 0x05}, 426 {0x4003, 0x40}, 427 {0x5048, 0x40} 428 }; 429 430 static const struct ov5670_reg mode_1296x972_regs[] = { 431 {0x3000, 0x00}, 432 {0x3002, 0x21}, 433 {0x3005, 0xf0}, 434 {0x3007, 0x00}, 435 {0x3015, 0x0f}, 436 {0x301a, 0xf0}, 437 {0x301b, 0xf0}, 438 {0x301c, 0xf0}, 439 {0x301d, 0xf0}, 440 {0x301e, 0xf0}, 441 {0x3030, 0x00}, 442 {0x3031, 0x0a}, 443 {0x303c, 0xff}, 444 {0x303e, 0xff}, 445 {0x3040, 0xf0}, 446 {0x3041, 0x00}, 447 {0x3042, 0xf0}, 448 {0x3106, 0x11}, 449 {0x3500, 0x00}, 450 {0x3501, 0x80}, 451 {0x3502, 0x00}, 452 {0x3503, 0x04}, 453 {0x3504, 0x03}, 454 {0x3505, 0x83}, 455 {0x3508, 0x07}, 456 {0x3509, 0x80}, 457 {0x350e, 0x04}, 458 {0x350f, 0x00}, 459 {0x3510, 0x00}, 460 {0x3511, 0x02}, 461 {0x3512, 0x00}, 462 {0x3601, 0xc8}, 463 {0x3610, 0x88}, 464 {0x3612, 0x48}, 465 {0x3614, 0x5b}, 466 {0x3615, 0x96}, 467 {0x3621, 0xd0}, 468 {0x3622, 0x00}, 469 {0x3623, 0x00}, 470 {0x3633, 0x13}, 471 {0x3634, 0x13}, 472 {0x3635, 0x13}, 473 {0x3636, 0x13}, 474 {0x3645, 0x13}, 475 {0x3646, 0x82}, 476 {0x3650, 0x00}, 477 {0x3652, 0xff}, 478 {0x3655, 0x20}, 479 {0x3656, 0xff}, 480 {0x365a, 0xff}, 481 {0x365e, 0xff}, 482 {0x3668, 0x00}, 483 {0x366a, 0x07}, 484 {0x366e, 0x08}, 485 {0x366d, 0x00}, 486 {0x366f, 0x80}, 487 {0x3700, 0x28}, 488 {0x3701, 0x10}, 489 {0x3702, 0x3a}, 490 {0x3703, 0x19}, 491 {0x3704, 0x10}, 492 {0x3705, 0x00}, 493 {0x3706, 0x66}, 494 {0x3707, 0x08}, 495 {0x3708, 0x34}, 496 {0x3709, 0x40}, 497 {0x370a, 0x01}, 498 {0x370b, 0x1b}, 499 {0x3714, 0x24}, 500 {0x371a, 0x3e}, 501 {0x3733, 0x00}, 502 {0x3734, 0x00}, 503 {0x373a, 0x05}, 504 {0x373b, 0x06}, 505 {0x373c, 0x0a}, 506 {0x373f, 0xa0}, 507 {0x3755, 0x00}, 508 {0x3758, 0x00}, 509 {0x375b, 0x0e}, 510 {0x3766, 0x5f}, 511 {0x3768, 0x00}, 512 {0x3769, 0x22}, 513 {0x3773, 0x08}, 514 {0x3774, 0x1f}, 515 {0x3776, 0x06}, 516 {0x37a0, 0x88}, 517 {0x37a1, 0x5c}, 518 {0x37a7, 0x88}, 519 {0x37a8, 0x70}, 520 {0x37aa, 0x88}, 521 {0x37ab, 0x48}, 522 {0x37b3, 0x66}, 523 {0x37c2, 0x04}, 524 {0x37c5, 0x00}, 525 {0x37c8, 0x00}, 526 {0x3800, 0x00}, 527 {0x3801, 0x0c}, 528 {0x3802, 0x00}, 529 {0x3803, 0x04}, 530 {0x3804, 0x0a}, 531 {0x3805, 0x33}, 532 {0x3806, 0x07}, 533 {0x3807, 0xa3}, 534 {0x3808, 0x05}, 535 {0x3809, 0x10}, 536 {0x380a, 0x03}, 537 {0x380b, 0xcc}, 538 {0x380c, 0x06}, 539 {0x380d, 0x90}, 540 {0x380e, 0x08}, 541 {0x380f, 0x08}, 542 {0x3811, 0x04}, 543 {0x3813, 0x04}, 544 {0x3814, 0x03}, 545 {0x3815, 0x01}, 546 {0x3816, 0x00}, 547 {0x3817, 0x00}, 548 {0x3818, 0x00}, 549 {0x3819, 0x00}, 550 {0x3820, 0x94}, 551 {0x3821, 0x47}, 552 {0x3822, 0x48}, 553 {0x3826, 0x00}, 554 {0x3827, 0x08}, 555 {0x382a, 0x03}, 556 {0x382b, 0x01}, 557 {0x3830, 0x08}, 558 {0x3836, 0x02}, 559 {0x3837, 0x00}, 560 {0x3838, 0x10}, 561 {0x3841, 0xff}, 562 {0x3846, 0x48}, 563 {0x3861, 0x00}, 564 {0x3862, 0x04}, 565 {0x3863, 0x06}, 566 {0x3a11, 0x01}, 567 {0x3a12, 0x78}, 568 {0x3b00, 0x00}, 569 {0x3b02, 0x00}, 570 {0x3b03, 0x00}, 571 {0x3b04, 0x00}, 572 {0x3b05, 0x00}, 573 {0x3c00, 0x89}, 574 {0x3c01, 0xab}, 575 {0x3c02, 0x01}, 576 {0x3c03, 0x00}, 577 {0x3c04, 0x00}, 578 {0x3c05, 0x03}, 579 {0x3c06, 0x00}, 580 {0x3c07, 0x05}, 581 {0x3c0c, 0x00}, 582 {0x3c0d, 0x00}, 583 {0x3c0e, 0x00}, 584 {0x3c0f, 0x00}, 585 {0x3c40, 0x00}, 586 {0x3c41, 0xa3}, 587 {0x3c43, 0x7d}, 588 {0x3c45, 0xd7}, 589 {0x3c47, 0xfc}, 590 {0x3c50, 0x05}, 591 {0x3c52, 0xaa}, 592 {0x3c54, 0x71}, 593 {0x3c56, 0x80}, 594 {0x3d85, 0x17}, 595 {0x3f03, 0x00}, 596 {0x3f0a, 0x00}, 597 {0x3f0b, 0x00}, 598 {0x4001, 0x60}, 599 {0x4009, 0x05}, 600 {0x4020, 0x00}, 601 {0x4021, 0x00}, 602 {0x4022, 0x00}, 603 {0x4023, 0x00}, 604 {0x4024, 0x00}, 605 {0x4025, 0x00}, 606 {0x4026, 0x00}, 607 {0x4027, 0x00}, 608 {0x4028, 0x00}, 609 {0x4029, 0x00}, 610 {0x402a, 0x00}, 611 {0x402b, 0x00}, 612 {0x402c, 0x00}, 613 {0x402d, 0x00}, 614 {0x402e, 0x00}, 615 {0x402f, 0x00}, 616 {0x4040, 0x00}, 617 {0x4041, 0x03}, 618 {0x4042, 0x00}, 619 {0x4043, 0x7A}, 620 {0x4044, 0x00}, 621 {0x4045, 0x7A}, 622 {0x4046, 0x00}, 623 {0x4047, 0x7A}, 624 {0x4048, 0x00}, 625 {0x4049, 0x7A}, 626 {0x4307, 0x30}, 627 {0x4500, 0x58}, 628 {0x4501, 0x04}, 629 {0x4502, 0x48}, 630 {0x4503, 0x10}, 631 {0x4508, 0x55}, 632 {0x4509, 0x55}, 633 {0x450a, 0x00}, 634 {0x450b, 0x00}, 635 {0x4600, 0x00}, 636 {0x4601, 0x81}, 637 {0x4700, 0xa4}, 638 {0x4800, 0x4c}, 639 {0x4816, 0x53}, 640 {0x481f, 0x40}, 641 {0x4837, 0x13}, 642 {0x5000, 0x56}, 643 {0x5001, 0x01}, 644 {0x5002, 0x28}, 645 {0x5004, 0x0c}, 646 {0x5006, 0x0c}, 647 {0x5007, 0xe0}, 648 {0x5008, 0x01}, 649 {0x5009, 0xb0}, 650 {0x5901, 0x00}, 651 {0x5a01, 0x00}, 652 {0x5a03, 0x00}, 653 {0x5a04, 0x0c}, 654 {0x5a05, 0xe0}, 655 {0x5a06, 0x09}, 656 {0x5a07, 0xb0}, 657 {0x5a08, 0x06}, 658 {0x5e00, 0x00}, 659 {0x3734, 0x40}, 660 {0x5b00, 0x01}, 661 {0x5b01, 0x10}, 662 {0x5b02, 0x01}, 663 {0x5b03, 0xdb}, 664 {0x3d8c, 0x71}, 665 {0x3d8d, 0xea}, 666 {0x4017, 0x10}, 667 {0x3618, 0x2a}, 668 {0x5780, 0x3e}, 669 {0x5781, 0x0f}, 670 {0x5782, 0x44}, 671 {0x5783, 0x02}, 672 {0x5784, 0x01}, 673 {0x5785, 0x01}, 674 {0x5786, 0x00}, 675 {0x5787, 0x04}, 676 {0x5788, 0x02}, 677 {0x5789, 0x0f}, 678 {0x578a, 0xfd}, 679 {0x578b, 0xf5}, 680 {0x578c, 0xf5}, 681 {0x578d, 0x03}, 682 {0x578e, 0x08}, 683 {0x578f, 0x0c}, 684 {0x5790, 0x08}, 685 {0x5791, 0x04}, 686 {0x5792, 0x00}, 687 {0x5793, 0x52}, 688 {0x5794, 0xa3}, 689 {0x3503, 0x00}, 690 {0x5045, 0x05}, 691 {0x4003, 0x40}, 692 {0x5048, 0x40} 693 }; 694 695 static const struct ov5670_reg mode_648x486_regs[] = { 696 {0x3000, 0x00}, 697 {0x3002, 0x21}, 698 {0x3005, 0xf0}, 699 {0x3007, 0x00}, 700 {0x3015, 0x0f}, 701 {0x301a, 0xf0}, 702 {0x301b, 0xf0}, 703 {0x301c, 0xf0}, 704 {0x301d, 0xf0}, 705 {0x301e, 0xf0}, 706 {0x3030, 0x00}, 707 {0x3031, 0x0a}, 708 {0x303c, 0xff}, 709 {0x303e, 0xff}, 710 {0x3040, 0xf0}, 711 {0x3041, 0x00}, 712 {0x3042, 0xf0}, 713 {0x3106, 0x11}, 714 {0x3500, 0x00}, 715 {0x3501, 0x80}, 716 {0x3502, 0x00}, 717 {0x3503, 0x04}, 718 {0x3504, 0x03}, 719 {0x3505, 0x83}, 720 {0x3508, 0x04}, 721 {0x3509, 0x00}, 722 {0x350e, 0x04}, 723 {0x350f, 0x00}, 724 {0x3510, 0x00}, 725 {0x3511, 0x02}, 726 {0x3512, 0x00}, 727 {0x3601, 0xc8}, 728 {0x3610, 0x88}, 729 {0x3612, 0x48}, 730 {0x3614, 0x5b}, 731 {0x3615, 0x96}, 732 {0x3621, 0xd0}, 733 {0x3622, 0x00}, 734 {0x3623, 0x04}, 735 {0x3633, 0x13}, 736 {0x3634, 0x13}, 737 {0x3635, 0x13}, 738 {0x3636, 0x13}, 739 {0x3645, 0x13}, 740 {0x3646, 0x82}, 741 {0x3650, 0x00}, 742 {0x3652, 0xff}, 743 {0x3655, 0x20}, 744 {0x3656, 0xff}, 745 {0x365a, 0xff}, 746 {0x365e, 0xff}, 747 {0x3668, 0x00}, 748 {0x366a, 0x07}, 749 {0x366e, 0x08}, 750 {0x366d, 0x00}, 751 {0x366f, 0x80}, 752 {0x3700, 0x28}, 753 {0x3701, 0x10}, 754 {0x3702, 0x3a}, 755 {0x3703, 0x19}, 756 {0x3704, 0x10}, 757 {0x3705, 0x00}, 758 {0x3706, 0x66}, 759 {0x3707, 0x08}, 760 {0x3708, 0x34}, 761 {0x3709, 0x40}, 762 {0x370a, 0x01}, 763 {0x370b, 0x1b}, 764 {0x3714, 0x24}, 765 {0x371a, 0x3e}, 766 {0x3733, 0x00}, 767 {0x3734, 0x00}, 768 {0x373a, 0x05}, 769 {0x373b, 0x06}, 770 {0x373c, 0x0a}, 771 {0x373f, 0xa0}, 772 {0x3755, 0x00}, 773 {0x3758, 0x00}, 774 {0x375b, 0x0e}, 775 {0x3766, 0x5f}, 776 {0x3768, 0x00}, 777 {0x3769, 0x22}, 778 {0x3773, 0x08}, 779 {0x3774, 0x1f}, 780 {0x3776, 0x06}, 781 {0x37a0, 0x88}, 782 {0x37a1, 0x5c}, 783 {0x37a7, 0x88}, 784 {0x37a8, 0x70}, 785 {0x37aa, 0x88}, 786 {0x37ab, 0x48}, 787 {0x37b3, 0x66}, 788 {0x37c2, 0x04}, 789 {0x37c5, 0x00}, 790 {0x37c8, 0x00}, 791 {0x3800, 0x00}, 792 {0x3801, 0x0c}, 793 {0x3802, 0x00}, 794 {0x3803, 0x04}, 795 {0x3804, 0x0a}, 796 {0x3805, 0x33}, 797 {0x3806, 0x07}, 798 {0x3807, 0xa3}, 799 {0x3808, 0x02}, 800 {0x3809, 0x88}, 801 {0x380a, 0x01}, 802 {0x380b, 0xe6}, 803 {0x380c, 0x06}, 804 {0x380d, 0x90}, 805 {0x380e, 0x08}, 806 {0x380f, 0x08}, 807 {0x3811, 0x04}, 808 {0x3813, 0x02}, 809 {0x3814, 0x07}, 810 {0x3815, 0x01}, 811 {0x3816, 0x00}, 812 {0x3817, 0x00}, 813 {0x3818, 0x00}, 814 {0x3819, 0x00}, 815 {0x3820, 0x94}, 816 {0x3821, 0xc6}, 817 {0x3822, 0x48}, 818 {0x3826, 0x00}, 819 {0x3827, 0x08}, 820 {0x382a, 0x07}, 821 {0x382b, 0x01}, 822 {0x3830, 0x08}, 823 {0x3836, 0x02}, 824 {0x3837, 0x00}, 825 {0x3838, 0x10}, 826 {0x3841, 0xff}, 827 {0x3846, 0x48}, 828 {0x3861, 0x00}, 829 {0x3862, 0x04}, 830 {0x3863, 0x06}, 831 {0x3a11, 0x01}, 832 {0x3a12, 0x78}, 833 {0x3b00, 0x00}, 834 {0x3b02, 0x00}, 835 {0x3b03, 0x00}, 836 {0x3b04, 0x00}, 837 {0x3b05, 0x00}, 838 {0x3c00, 0x89}, 839 {0x3c01, 0xab}, 840 {0x3c02, 0x01}, 841 {0x3c03, 0x00}, 842 {0x3c04, 0x00}, 843 {0x3c05, 0x03}, 844 {0x3c06, 0x00}, 845 {0x3c07, 0x05}, 846 {0x3c0c, 0x00}, 847 {0x3c0d, 0x00}, 848 {0x3c0e, 0x00}, 849 {0x3c0f, 0x00}, 850 {0x3c40, 0x00}, 851 {0x3c41, 0xa3}, 852 {0x3c43, 0x7d}, 853 {0x3c45, 0xd7}, 854 {0x3c47, 0xfc}, 855 {0x3c50, 0x05}, 856 {0x3c52, 0xaa}, 857 {0x3c54, 0x71}, 858 {0x3c56, 0x80}, 859 {0x3d85, 0x17}, 860 {0x3f03, 0x00}, 861 {0x3f0a, 0x00}, 862 {0x3f0b, 0x00}, 863 {0x4001, 0x60}, 864 {0x4009, 0x05}, 865 {0x4020, 0x00}, 866 {0x4021, 0x00}, 867 {0x4022, 0x00}, 868 {0x4023, 0x00}, 869 {0x4024, 0x00}, 870 {0x4025, 0x00}, 871 {0x4026, 0x00}, 872 {0x4027, 0x00}, 873 {0x4028, 0x00}, 874 {0x4029, 0x00}, 875 {0x402a, 0x00}, 876 {0x402b, 0x00}, 877 {0x402c, 0x00}, 878 {0x402d, 0x00}, 879 {0x402e, 0x00}, 880 {0x402f, 0x00}, 881 {0x4040, 0x00}, 882 {0x4041, 0x03}, 883 {0x4042, 0x00}, 884 {0x4043, 0x7A}, 885 {0x4044, 0x00}, 886 {0x4045, 0x7A}, 887 {0x4046, 0x00}, 888 {0x4047, 0x7A}, 889 {0x4048, 0x00}, 890 {0x4049, 0x7A}, 891 {0x4307, 0x30}, 892 {0x4500, 0x58}, 893 {0x4501, 0x04}, 894 {0x4502, 0x40}, 895 {0x4503, 0x10}, 896 {0x4508, 0x55}, 897 {0x4509, 0x55}, 898 {0x450a, 0x02}, 899 {0x450b, 0x00}, 900 {0x4600, 0x00}, 901 {0x4601, 0x40}, 902 {0x4700, 0xa4}, 903 {0x4800, 0x4c}, 904 {0x4816, 0x53}, 905 {0x481f, 0x40}, 906 {0x4837, 0x13}, 907 {0x5000, 0x56}, 908 {0x5001, 0x01}, 909 {0x5002, 0x28}, 910 {0x5004, 0x0c}, 911 {0x5006, 0x0c}, 912 {0x5007, 0xe0}, 913 {0x5008, 0x01}, 914 {0x5009, 0xb0}, 915 {0x5901, 0x00}, 916 {0x5a01, 0x00}, 917 {0x5a03, 0x00}, 918 {0x5a04, 0x0c}, 919 {0x5a05, 0xe0}, 920 {0x5a06, 0x09}, 921 {0x5a07, 0xb0}, 922 {0x5a08, 0x06}, 923 {0x5e00, 0x00}, 924 {0x3734, 0x40}, 925 {0x5b00, 0x01}, 926 {0x5b01, 0x10}, 927 {0x5b02, 0x01}, 928 {0x5b03, 0xdb}, 929 {0x3d8c, 0x71}, 930 {0x3d8d, 0xea}, 931 {0x4017, 0x10}, 932 {0x3618, 0x2a}, 933 {0x5780, 0x3e}, 934 {0x5781, 0x0f}, 935 {0x5782, 0x44}, 936 {0x5783, 0x02}, 937 {0x5784, 0x01}, 938 {0x5785, 0x01}, 939 {0x5786, 0x00}, 940 {0x5787, 0x04}, 941 {0x5788, 0x02}, 942 {0x5789, 0x0f}, 943 {0x578a, 0xfd}, 944 {0x578b, 0xf5}, 945 {0x578c, 0xf5}, 946 {0x578d, 0x03}, 947 {0x578e, 0x08}, 948 {0x578f, 0x0c}, 949 {0x5790, 0x08}, 950 {0x5791, 0x06}, 951 {0x5792, 0x00}, 952 {0x5793, 0x52}, 953 {0x5794, 0xa3}, 954 {0x3503, 0x00}, 955 {0x5045, 0x05}, 956 {0x4003, 0x40}, 957 {0x5048, 0x40} 958 }; 959 960 static const struct ov5670_reg mode_2560x1440_regs[] = { 961 {0x3000, 0x00}, 962 {0x3002, 0x21}, 963 {0x3005, 0xf0}, 964 {0x3007, 0x00}, 965 {0x3015, 0x0f}, 966 {0x301a, 0xf0}, 967 {0x301b, 0xf0}, 968 {0x301c, 0xf0}, 969 {0x301d, 0xf0}, 970 {0x301e, 0xf0}, 971 {0x3030, 0x00}, 972 {0x3031, 0x0a}, 973 {0x303c, 0xff}, 974 {0x303e, 0xff}, 975 {0x3040, 0xf0}, 976 {0x3041, 0x00}, 977 {0x3042, 0xf0}, 978 {0x3106, 0x11}, 979 {0x3500, 0x00}, 980 {0x3501, 0x80}, 981 {0x3502, 0x00}, 982 {0x3503, 0x04}, 983 {0x3504, 0x03}, 984 {0x3505, 0x83}, 985 {0x3508, 0x04}, 986 {0x3509, 0x00}, 987 {0x350e, 0x04}, 988 {0x350f, 0x00}, 989 {0x3510, 0x00}, 990 {0x3511, 0x02}, 991 {0x3512, 0x00}, 992 {0x3601, 0xc8}, 993 {0x3610, 0x88}, 994 {0x3612, 0x48}, 995 {0x3614, 0x5b}, 996 {0x3615, 0x96}, 997 {0x3621, 0xd0}, 998 {0x3622, 0x00}, 999 {0x3623, 0x00}, 1000 {0x3633, 0x13}, 1001 {0x3634, 0x13}, 1002 {0x3635, 0x13}, 1003 {0x3636, 0x13}, 1004 {0x3645, 0x13}, 1005 {0x3646, 0x82}, 1006 {0x3650, 0x00}, 1007 {0x3652, 0xff}, 1008 {0x3655, 0x20}, 1009 {0x3656, 0xff}, 1010 {0x365a, 0xff}, 1011 {0x365e, 0xff}, 1012 {0x3668, 0x00}, 1013 {0x366a, 0x07}, 1014 {0x366e, 0x10}, 1015 {0x366d, 0x00}, 1016 {0x366f, 0x80}, 1017 {0x3700, 0x28}, 1018 {0x3701, 0x10}, 1019 {0x3702, 0x3a}, 1020 {0x3703, 0x19}, 1021 {0x3704, 0x10}, 1022 {0x3705, 0x00}, 1023 {0x3706, 0x66}, 1024 {0x3707, 0x08}, 1025 {0x3708, 0x34}, 1026 {0x3709, 0x40}, 1027 {0x370a, 0x01}, 1028 {0x370b, 0x1b}, 1029 {0x3714, 0x24}, 1030 {0x371a, 0x3e}, 1031 {0x3733, 0x00}, 1032 {0x3734, 0x00}, 1033 {0x373a, 0x05}, 1034 {0x373b, 0x06}, 1035 {0x373c, 0x0a}, 1036 {0x373f, 0xa0}, 1037 {0x3755, 0x00}, 1038 {0x3758, 0x00}, 1039 {0x375b, 0x0e}, 1040 {0x3766, 0x5f}, 1041 {0x3768, 0x00}, 1042 {0x3769, 0x22}, 1043 {0x3773, 0x08}, 1044 {0x3774, 0x1f}, 1045 {0x3776, 0x06}, 1046 {0x37a0, 0x88}, 1047 {0x37a1, 0x5c}, 1048 {0x37a7, 0x88}, 1049 {0x37a8, 0x70}, 1050 {0x37aa, 0x88}, 1051 {0x37ab, 0x48}, 1052 {0x37b3, 0x66}, 1053 {0x37c2, 0x04}, 1054 {0x37c5, 0x00}, 1055 {0x37c8, 0x00}, 1056 {0x3800, 0x00}, 1057 {0x3801, 0x0c}, 1058 {0x3802, 0x00}, 1059 {0x3803, 0x04}, 1060 {0x3804, 0x0a}, 1061 {0x3805, 0x33}, 1062 {0x3806, 0x07}, 1063 {0x3807, 0xa3}, 1064 {0x3808, 0x0a}, 1065 {0x3809, 0x00}, 1066 {0x380a, 0x05}, 1067 {0x380b, 0xa0}, 1068 {0x380c, 0x06}, 1069 {0x380d, 0x90}, 1070 {0x380e, 0x08}, 1071 {0x380f, 0x08}, 1072 {0x3811, 0x04}, 1073 {0x3813, 0x02}, 1074 {0x3814, 0x01}, 1075 {0x3815, 0x01}, 1076 {0x3816, 0x00}, 1077 {0x3817, 0x00}, 1078 {0x3818, 0x00}, 1079 {0x3819, 0x00}, 1080 {0x3820, 0x84}, 1081 {0x3821, 0x46}, 1082 {0x3822, 0x48}, 1083 {0x3826, 0x00}, 1084 {0x3827, 0x08}, 1085 {0x382a, 0x01}, 1086 {0x382b, 0x01}, 1087 {0x3830, 0x08}, 1088 {0x3836, 0x02}, 1089 {0x3837, 0x00}, 1090 {0x3838, 0x10}, 1091 {0x3841, 0xff}, 1092 {0x3846, 0x48}, 1093 {0x3861, 0x00}, 1094 {0x3862, 0x04}, 1095 {0x3863, 0x06}, 1096 {0x3a11, 0x01}, 1097 {0x3a12, 0x78}, 1098 {0x3b00, 0x00}, 1099 {0x3b02, 0x00}, 1100 {0x3b03, 0x00}, 1101 {0x3b04, 0x00}, 1102 {0x3b05, 0x00}, 1103 {0x3c00, 0x89}, 1104 {0x3c01, 0xab}, 1105 {0x3c02, 0x01}, 1106 {0x3c03, 0x00}, 1107 {0x3c04, 0x00}, 1108 {0x3c05, 0x03}, 1109 {0x3c06, 0x00}, 1110 {0x3c07, 0x05}, 1111 {0x3c0c, 0x00}, 1112 {0x3c0d, 0x00}, 1113 {0x3c0e, 0x00}, 1114 {0x3c0f, 0x00}, 1115 {0x3c40, 0x00}, 1116 {0x3c41, 0xa3}, 1117 {0x3c43, 0x7d}, 1118 {0x3c45, 0xd7}, 1119 {0x3c47, 0xfc}, 1120 {0x3c50, 0x05}, 1121 {0x3c52, 0xaa}, 1122 {0x3c54, 0x71}, 1123 {0x3c56, 0x80}, 1124 {0x3d85, 0x17}, 1125 {0x3f03, 0x00}, 1126 {0x3f0a, 0x00}, 1127 {0x3f0b, 0x00}, 1128 {0x4001, 0x60}, 1129 {0x4009, 0x0d}, 1130 {0x4020, 0x00}, 1131 {0x4021, 0x00}, 1132 {0x4022, 0x00}, 1133 {0x4023, 0x00}, 1134 {0x4024, 0x00}, 1135 {0x4025, 0x00}, 1136 {0x4026, 0x00}, 1137 {0x4027, 0x00}, 1138 {0x4028, 0x00}, 1139 {0x4029, 0x00}, 1140 {0x402a, 0x00}, 1141 {0x402b, 0x00}, 1142 {0x402c, 0x00}, 1143 {0x402d, 0x00}, 1144 {0x402e, 0x00}, 1145 {0x402f, 0x00}, 1146 {0x4040, 0x00}, 1147 {0x4041, 0x03}, 1148 {0x4042, 0x00}, 1149 {0x4043, 0x7A}, 1150 {0x4044, 0x00}, 1151 {0x4045, 0x7A}, 1152 {0x4046, 0x00}, 1153 {0x4047, 0x7A}, 1154 {0x4048, 0x00}, 1155 {0x4049, 0x7A}, 1156 {0x4307, 0x30}, 1157 {0x4500, 0x58}, 1158 {0x4501, 0x04}, 1159 {0x4502, 0x40}, 1160 {0x4503, 0x10}, 1161 {0x4508, 0xaa}, 1162 {0x4509, 0xaa}, 1163 {0x450a, 0x00}, 1164 {0x450b, 0x00}, 1165 {0x4600, 0x01}, 1166 {0x4601, 0x00}, 1167 {0x4700, 0xa4}, 1168 {0x4800, 0x4c}, 1169 {0x4816, 0x53}, 1170 {0x481f, 0x40}, 1171 {0x4837, 0x13}, 1172 {0x5000, 0x56}, 1173 {0x5001, 0x01}, 1174 {0x5002, 0x28}, 1175 {0x5004, 0x0c}, 1176 {0x5006, 0x0c}, 1177 {0x5007, 0xe0}, 1178 {0x5008, 0x01}, 1179 {0x5009, 0xb0}, 1180 {0x5901, 0x00}, 1181 {0x5a01, 0x00}, 1182 {0x5a03, 0x00}, 1183 {0x5a04, 0x0c}, 1184 {0x5a05, 0xe0}, 1185 {0x5a06, 0x09}, 1186 {0x5a07, 0xb0}, 1187 {0x5a08, 0x06}, 1188 {0x5e00, 0x00}, 1189 {0x3734, 0x40}, 1190 {0x5b00, 0x01}, 1191 {0x5b01, 0x10}, 1192 {0x5b02, 0x01}, 1193 {0x5b03, 0xdb}, 1194 {0x3d8c, 0x71}, 1195 {0x3d8d, 0xea}, 1196 {0x4017, 0x08}, 1197 {0x3618, 0x2a}, 1198 {0x5780, 0x3e}, 1199 {0x5781, 0x0f}, 1200 {0x5782, 0x44}, 1201 {0x5783, 0x02}, 1202 {0x5784, 0x01}, 1203 {0x5785, 0x01}, 1204 {0x5786, 0x00}, 1205 {0x5787, 0x04}, 1206 {0x5788, 0x02}, 1207 {0x5789, 0x0f}, 1208 {0x578a, 0xfd}, 1209 {0x578b, 0xf5}, 1210 {0x578c, 0xf5}, 1211 {0x578d, 0x03}, 1212 {0x578e, 0x08}, 1213 {0x578f, 0x0c}, 1214 {0x5790, 0x08}, 1215 {0x5791, 0x06}, 1216 {0x5792, 0x00}, 1217 {0x5793, 0x52}, 1218 {0x5794, 0xa3}, 1219 {0x5045, 0x05}, 1220 {0x4003, 0x40}, 1221 {0x5048, 0x40} 1222 }; 1223 1224 static const struct ov5670_reg mode_1280x720_regs[] = { 1225 {0x3000, 0x00}, 1226 {0x3002, 0x21}, 1227 {0x3005, 0xf0}, 1228 {0x3007, 0x00}, 1229 {0x3015, 0x0f}, 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 {0x301a, 0xf0}, 1496 {0x301b, 0xf0}, 1497 {0x301c, 0xf0}, 1498 {0x301d, 0xf0}, 1499 {0x301e, 0xf0}, 1500 {0x3030, 0x00}, 1501 {0x3031, 0x0a}, 1502 {0x303c, 0xff}, 1503 {0x303e, 0xff}, 1504 {0x3040, 0xf0}, 1505 {0x3041, 0x00}, 1506 {0x3042, 0xf0}, 1507 {0x3106, 0x11}, 1508 {0x3500, 0x00}, 1509 {0x3501, 0x80}, 1510 {0x3502, 0x00}, 1511 {0x3503, 0x04}, 1512 {0x3504, 0x03}, 1513 {0x3505, 0x83}, 1514 {0x3508, 0x04}, 1515 {0x3509, 0x00}, 1516 {0x350e, 0x04}, 1517 {0x350f, 0x00}, 1518 {0x3510, 0x00}, 1519 {0x3511, 0x02}, 1520 {0x3512, 0x00}, 1521 {0x3601, 0xc8}, 1522 {0x3610, 0x88}, 1523 {0x3612, 0x48}, 1524 {0x3614, 0x5b}, 1525 {0x3615, 0x96}, 1526 {0x3621, 0xd0}, 1527 {0x3622, 0x00}, 1528 {0x3623, 0x04}, 1529 {0x3633, 0x13}, 1530 {0x3634, 0x13}, 1531 {0x3635, 0x13}, 1532 {0x3636, 0x13}, 1533 {0x3645, 0x13}, 1534 {0x3646, 0x82}, 1535 {0x3650, 0x00}, 1536 {0x3652, 0xff}, 1537 {0x3655, 0x20}, 1538 {0x3656, 0xff}, 1539 {0x365a, 0xff}, 1540 {0x365e, 0xff}, 1541 {0x3668, 0x00}, 1542 {0x366a, 0x07}, 1543 {0x366e, 0x08}, 1544 {0x366d, 0x00}, 1545 {0x366f, 0x80}, 1546 {0x3700, 0x28}, 1547 {0x3701, 0x10}, 1548 {0x3702, 0x3a}, 1549 {0x3703, 0x19}, 1550 {0x3704, 0x10}, 1551 {0x3705, 0x00}, 1552 {0x3706, 0x66}, 1553 {0x3707, 0x08}, 1554 {0x3708, 0x34}, 1555 {0x3709, 0x40}, 1556 {0x370a, 0x01}, 1557 {0x370b, 0x1b}, 1558 {0x3714, 0x24}, 1559 {0x371a, 0x3e}, 1560 {0x3733, 0x00}, 1561 {0x3734, 0x00}, 1562 {0x373a, 0x05}, 1563 {0x373b, 0x06}, 1564 {0x373c, 0x0a}, 1565 {0x373f, 0xa0}, 1566 {0x3755, 0x00}, 1567 {0x3758, 0x00}, 1568 {0x375b, 0x0e}, 1569 {0x3766, 0x5f}, 1570 {0x3768, 0x00}, 1571 {0x3769, 0x22}, 1572 {0x3773, 0x08}, 1573 {0x3774, 0x1f}, 1574 {0x3776, 0x06}, 1575 {0x37a0, 0x88}, 1576 {0x37a1, 0x5c}, 1577 {0x37a7, 0x88}, 1578 {0x37a8, 0x70}, 1579 {0x37aa, 0x88}, 1580 {0x37ab, 0x48}, 1581 {0x37b3, 0x66}, 1582 {0x37c2, 0x04}, 1583 {0x37c5, 0x00}, 1584 {0x37c8, 0x00}, 1585 {0x3800, 0x00}, 1586 {0x3801, 0x0c}, 1587 {0x3802, 0x00}, 1588 {0x3803, 0x04}, 1589 {0x3804, 0x0a}, 1590 {0x3805, 0x33}, 1591 {0x3806, 0x07}, 1592 {0x3807, 0xa3}, 1593 {0x3808, 0x02}, 1594 {0x3809, 0x80}, 1595 {0x380a, 0x01}, 1596 {0x380b, 0x68}, 1597 {0x380c, 0x06}, 1598 {0x380d, 0x90}, 1599 {0x380e, 0x08}, 1600 {0x380f, 0x08}, 1601 {0x3811, 0x04}, 1602 {0x3813, 0x02}, 1603 {0x3814, 0x07}, 1604 {0x3815, 0x01}, 1605 {0x3816, 0x00}, 1606 {0x3817, 0x00}, 1607 {0x3818, 0x00}, 1608 {0x3819, 0x00}, 1609 {0x3820, 0x94}, 1610 {0x3821, 0xc6}, 1611 {0x3822, 0x48}, 1612 {0x3826, 0x00}, 1613 {0x3827, 0x08}, 1614 {0x382a, 0x07}, 1615 {0x382b, 0x01}, 1616 {0x3830, 0x08}, 1617 {0x3836, 0x02}, 1618 {0x3837, 0x00}, 1619 {0x3838, 0x10}, 1620 {0x3841, 0xff}, 1621 {0x3846, 0x48}, 1622 {0x3861, 0x00}, 1623 {0x3862, 0x04}, 1624 {0x3863, 0x06}, 1625 {0x3a11, 0x01}, 1626 {0x3a12, 0x78}, 1627 {0x3b00, 0x00}, 1628 {0x3b02, 0x00}, 1629 {0x3b03, 0x00}, 1630 {0x3b04, 0x00}, 1631 {0x3b05, 0x00}, 1632 {0x3c00, 0x89}, 1633 {0x3c01, 0xab}, 1634 {0x3c02, 0x01}, 1635 {0x3c03, 0x00}, 1636 {0x3c04, 0x00}, 1637 {0x3c05, 0x03}, 1638 {0x3c06, 0x00}, 1639 {0x3c07, 0x05}, 1640 {0x3c0c, 0x00}, 1641 {0x3c0d, 0x00}, 1642 {0x3c0e, 0x00}, 1643 {0x3c0f, 0x00}, 1644 {0x3c40, 0x00}, 1645 {0x3c41, 0xa3}, 1646 {0x3c43, 0x7d}, 1647 {0x3c45, 0xd7}, 1648 {0x3c47, 0xfc}, 1649 {0x3c50, 0x05}, 1650 {0x3c52, 0xaa}, 1651 {0x3c54, 0x71}, 1652 {0x3c56, 0x80}, 1653 {0x3d85, 0x17}, 1654 {0x3f03, 0x00}, 1655 {0x3f0a, 0x00}, 1656 {0x3f0b, 0x00}, 1657 {0x4001, 0x60}, 1658 {0x4009, 0x05}, 1659 {0x4020, 0x00}, 1660 {0x4021, 0x00}, 1661 {0x4022, 0x00}, 1662 {0x4023, 0x00}, 1663 {0x4024, 0x00}, 1664 {0x4025, 0x00}, 1665 {0x4026, 0x00}, 1666 {0x4027, 0x00}, 1667 {0x4028, 0x00}, 1668 {0x4029, 0x00}, 1669 {0x402a, 0x00}, 1670 {0x402b, 0x00}, 1671 {0x402c, 0x00}, 1672 {0x402d, 0x00}, 1673 {0x402e, 0x00}, 1674 {0x402f, 0x00}, 1675 {0x4040, 0x00}, 1676 {0x4041, 0x03}, 1677 {0x4042, 0x00}, 1678 {0x4043, 0x7A}, 1679 {0x4044, 0x00}, 1680 {0x4045, 0x7A}, 1681 {0x4046, 0x00}, 1682 {0x4047, 0x7A}, 1683 {0x4048, 0x00}, 1684 {0x4049, 0x7A}, 1685 {0x4307, 0x30}, 1686 {0x4500, 0x58}, 1687 {0x4501, 0x04}, 1688 {0x4502, 0x40}, 1689 {0x4503, 0x10}, 1690 {0x4508, 0x55}, 1691 {0x4509, 0x55}, 1692 {0x450a, 0x02}, 1693 {0x450b, 0x00}, 1694 {0x4600, 0x00}, 1695 {0x4601, 0x40}, 1696 {0x4700, 0xa4}, 1697 {0x4800, 0x4c}, 1698 {0x4816, 0x53}, 1699 {0x481f, 0x40}, 1700 {0x4837, 0x13}, 1701 {0x5000, 0x56}, 1702 {0x5001, 0x01}, 1703 {0x5002, 0x28}, 1704 {0x5004, 0x0c}, 1705 {0x5006, 0x0c}, 1706 {0x5007, 0xe0}, 1707 {0x5008, 0x01}, 1708 {0x5009, 0xb0}, 1709 {0x5901, 0x00}, 1710 {0x5a01, 0x00}, 1711 {0x5a03, 0x00}, 1712 {0x5a04, 0x0c}, 1713 {0x5a05, 0xe0}, 1714 {0x5a06, 0x09}, 1715 {0x5a07, 0xb0}, 1716 {0x5a08, 0x06}, 1717 {0x5e00, 0x00}, 1718 {0x3734, 0x40}, 1719 {0x5b00, 0x01}, 1720 {0x5b01, 0x10}, 1721 {0x5b02, 0x01}, 1722 {0x5b03, 0xdb}, 1723 {0x3d8c, 0x71}, 1724 {0x3d8d, 0xea}, 1725 {0x4017, 0x10}, 1726 {0x3618, 0x2a}, 1727 {0x5780, 0x3e}, 1728 {0x5781, 0x0f}, 1729 {0x5782, 0x44}, 1730 {0x5783, 0x02}, 1731 {0x5784, 0x01}, 1732 {0x5785, 0x01}, 1733 {0x5786, 0x00}, 1734 {0x5787, 0x04}, 1735 {0x5788, 0x02}, 1736 {0x5789, 0x0f}, 1737 {0x578a, 0xfd}, 1738 {0x578b, 0xf5}, 1739 {0x578c, 0xf5}, 1740 {0x578d, 0x03}, 1741 {0x578e, 0x08}, 1742 {0x578f, 0x0c}, 1743 {0x5790, 0x08}, 1744 {0x5791, 0x06}, 1745 {0x5792, 0x00}, 1746 {0x5793, 0x52}, 1747 {0x5794, 0xa3}, 1748 {0x3503, 0x00}, 1749 {0x5045, 0x05}, 1750 {0x4003, 0x40}, 1751 {0x5048, 0x40} 1752 }; 1753 1754 static const char * const ov5670_test_pattern_menu[] = { 1755 "Disabled", 1756 "Vertical Color Bar Type 1", 1757 }; 1758 1759 /* Supported link frequencies */ 1760 #define OV5670_LINK_FREQ_422MHZ 422400000 1761 #define OV5670_LINK_FREQ_422MHZ_INDEX 0 1762 static const struct ov5670_link_freq_config link_freq_configs[] = { 1763 { 1764 .reg_list = { 1765 .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps), 1766 .regs = mipi_data_rate_840mbps, 1767 } 1768 } 1769 }; 1770 1771 static const s64 link_freq_menu_items[] = { 1772 OV5670_LINK_FREQ_422MHZ 1773 }; 1774 1775 /* 1776 * OV5670 sensor supports following resolutions with full FOV: 1777 * 4:3 ==> {2592x1944, 1296x972, 648x486} 1778 * 16:9 ==> {2560x1440, 1280x720, 640x360} 1779 */ 1780 static const struct ov5670_mode supported_modes[] = { 1781 { 1782 .width = 2592, 1783 .height = 1944, 1784 .vts_def = OV5670_VTS_30FPS, 1785 .vts_min = OV5670_VTS_30FPS, 1786 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1787 .analog_crop = &ov5670_analog_crop, 1788 .reg_list = { 1789 .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs), 1790 .regs = mode_2592x1944_regs, 1791 }, 1792 }, 1793 { 1794 .width = 1296, 1795 .height = 972, 1796 .vts_def = OV5670_VTS_30FPS, 1797 .vts_min = 996, 1798 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1799 .analog_crop = &ov5670_analog_crop, 1800 .reg_list = { 1801 .num_of_regs = ARRAY_SIZE(mode_1296x972_regs), 1802 .regs = mode_1296x972_regs, 1803 }, 1804 }, 1805 { 1806 .width = 648, 1807 .height = 486, 1808 .vts_def = OV5670_VTS_30FPS, 1809 .vts_min = 516, 1810 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1811 .analog_crop = &ov5670_analog_crop, 1812 .reg_list = { 1813 .num_of_regs = ARRAY_SIZE(mode_648x486_regs), 1814 .regs = mode_648x486_regs, 1815 }, 1816 }, 1817 { 1818 .width = 2560, 1819 .height = 1440, 1820 .vts_def = OV5670_VTS_30FPS, 1821 .vts_min = OV5670_VTS_30FPS, 1822 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1823 .analog_crop = &ov5670_analog_crop, 1824 .reg_list = { 1825 .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs), 1826 .regs = mode_2560x1440_regs, 1827 }, 1828 }, 1829 { 1830 .width = 1280, 1831 .height = 720, 1832 .vts_def = OV5670_VTS_30FPS, 1833 .vts_min = 1020, 1834 1835 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1836 .analog_crop = &ov5670_analog_crop, 1837 .reg_list = { 1838 .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), 1839 .regs = mode_1280x720_regs, 1840 }, 1841 }, 1842 { 1843 .width = 640, 1844 .height = 360, 1845 .vts_def = OV5670_VTS_30FPS, 1846 .vts_min = 510, 1847 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX, 1848 .analog_crop = &ov5670_analog_crop, 1849 .reg_list = { 1850 .num_of_regs = ARRAY_SIZE(mode_640x360_regs), 1851 .regs = mode_640x360_regs, 1852 }, 1853 } 1854 }; 1855 1856 struct ov5670 { 1857 struct v4l2_subdev sd; 1858 struct media_pad pad; 1859 struct v4l2_fwnode_endpoint endpoint; 1860 1861 struct v4l2_ctrl_handler ctrl_handler; 1862 /* V4L2 Controls */ 1863 struct v4l2_ctrl *link_freq; 1864 struct v4l2_ctrl *pixel_rate; 1865 struct v4l2_ctrl *vblank; 1866 struct v4l2_ctrl *hblank; 1867 struct v4l2_ctrl *exposure; 1868 1869 /* Current mode */ 1870 const struct ov5670_mode *cur_mode; 1871 1872 /* xvclk input clock */ 1873 struct clk *xvclk; 1874 1875 /* Regulators */ 1876 struct regulator_bulk_data supplies[OV5670_NUM_SUPPLIES]; 1877 1878 /* Power-down and reset gpios. */ 1879 struct gpio_desc *pwdn_gpio; /* PWDNB pin. */ 1880 struct gpio_desc *reset_gpio; /* XSHUTDOWN pin. */ 1881 1882 /* To serialize asynchronus callbacks */ 1883 struct mutex mutex; 1884 1885 /* Streaming on/off */ 1886 bool streaming; 1887 /* True if the device has been identified */ 1888 bool identified; 1889 }; 1890 1891 #define to_ov5670(_sd) container_of(_sd, struct ov5670, sd) 1892 1893 /* Read registers up to 4 at a time */ 1894 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1895 u32 *val) 1896 { 1897 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1898 struct i2c_msg msgs[2]; 1899 u8 *data_be_p; 1900 __be32 data_be = 0; 1901 __be16 reg_addr_be = cpu_to_be16(reg); 1902 int ret; 1903 1904 if (len > 4) 1905 return -EINVAL; 1906 1907 data_be_p = (u8 *)&data_be; 1908 /* Write register address */ 1909 msgs[0].addr = client->addr; 1910 msgs[0].flags = 0; 1911 msgs[0].len = 2; 1912 msgs[0].buf = (u8 *)®_addr_be; 1913 1914 /* Read data from register */ 1915 msgs[1].addr = client->addr; 1916 msgs[1].flags = I2C_M_RD; 1917 msgs[1].len = len; 1918 msgs[1].buf = &data_be_p[4 - len]; 1919 1920 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 1921 if (ret != ARRAY_SIZE(msgs)) 1922 return -EIO; 1923 1924 *val = be32_to_cpu(data_be); 1925 1926 return 0; 1927 } 1928 1929 /* Write registers up to 4 at a time */ 1930 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len, 1931 u32 val) 1932 { 1933 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 1934 int buf_i; 1935 int val_i; 1936 u8 buf[6]; 1937 u8 *val_p; 1938 __be32 tmp; 1939 1940 if (len > 4) 1941 return -EINVAL; 1942 1943 buf[0] = reg >> 8; 1944 buf[1] = reg & 0xff; 1945 1946 tmp = cpu_to_be32(val); 1947 val_p = (u8 *)&tmp; 1948 buf_i = 2; 1949 val_i = 4 - len; 1950 1951 while (val_i < 4) 1952 buf[buf_i++] = val_p[val_i++]; 1953 1954 if (i2c_master_send(client, buf, len + 2) != len + 2) 1955 return -EIO; 1956 1957 return 0; 1958 } 1959 1960 /* Write a list of registers */ 1961 static int ov5670_write_regs(struct ov5670 *ov5670, 1962 const struct ov5670_reg *regs, unsigned int len) 1963 { 1964 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 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 &client->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 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2038 s64 max; 2039 int ret; 2040 2041 /* Propagate change of current control to all related controls */ 2042 switch (ctrl->id) { 2043 case V4L2_CID_VBLANK: 2044 /* Update max exposure while meeting expected vblanking */ 2045 max = ov5670->cur_mode->height + ctrl->val - 8; 2046 __v4l2_ctrl_modify_range(ov5670->exposure, 2047 ov5670->exposure->minimum, max, 2048 ov5670->exposure->step, max); 2049 break; 2050 } 2051 2052 /* V4L2 controls values will be applied only when power is already up */ 2053 if (!pm_runtime_get_if_in_use(&client->dev)) 2054 return 0; 2055 2056 switch (ctrl->id) { 2057 case V4L2_CID_ANALOGUE_GAIN: 2058 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN, 2059 OV5670_REG_VALUE_16BIT, ctrl->val); 2060 break; 2061 case V4L2_CID_DIGITAL_GAIN: 2062 ret = ov5670_update_digital_gain(ov5670, ctrl->val); 2063 break; 2064 case V4L2_CID_EXPOSURE: 2065 /* 4 least significant bits of expsoure are fractional part */ 2066 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE, 2067 OV5670_REG_VALUE_24BIT, ctrl->val << 4); 2068 break; 2069 case V4L2_CID_VBLANK: 2070 /* Update VTS that meets expected vertical blanking */ 2071 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS, 2072 OV5670_REG_VALUE_16BIT, 2073 ov5670->cur_mode->height + ctrl->val); 2074 break; 2075 case V4L2_CID_TEST_PATTERN: 2076 ret = ov5670_enable_test_pattern(ov5670, ctrl->val); 2077 break; 2078 case V4L2_CID_HBLANK: 2079 case V4L2_CID_LINK_FREQ: 2080 case V4L2_CID_PIXEL_RATE: 2081 ret = 0; 2082 break; 2083 default: 2084 ret = -EINVAL; 2085 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", 2086 __func__, ctrl->id, ctrl->val); 2087 break; 2088 } 2089 2090 pm_runtime_put(&client->dev); 2091 2092 return ret; 2093 } 2094 2095 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = { 2096 .s_ctrl = ov5670_set_ctrl, 2097 }; 2098 2099 /* Initialize control handlers */ 2100 static int ov5670_init_controls(struct ov5670 *ov5670) 2101 { 2102 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2103 &ov5670->endpoint.bus.mipi_csi2; 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 unsigned int lanes_count; 2108 s64 mipi_pixel_rate; 2109 s64 vblank_max; 2110 s64 vblank_def; 2111 s64 vblank_min; 2112 s64 exposure_max; 2113 int ret; 2114 2115 ctrl_hdlr = &ov5670->ctrl_handler; 2116 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); 2117 if (ret) 2118 return ret; 2119 2120 ctrl_hdlr->lock = &ov5670->mutex; 2121 ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, 2122 &ov5670_ctrl_ops, 2123 V4L2_CID_LINK_FREQ, 2124 0, 0, link_freq_menu_items); 2125 if (ov5670->link_freq) 2126 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 2127 2128 /* By default, V4L2_CID_PIXEL_RATE is read only */ 2129 lanes_count = bus_mipi_csi2->num_data_lanes; 2130 mipi_pixel_rate = OV5670_LINK_FREQ_422MHZ * 2 * lanes_count / 10; 2131 2132 ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2133 V4L2_CID_PIXEL_RATE, 2134 mipi_pixel_rate, 2135 mipi_pixel_rate, 2136 1, 2137 mipi_pixel_rate); 2138 2139 vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height; 2140 vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height; 2141 vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height; 2142 ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2143 V4L2_CID_VBLANK, vblank_min, 2144 vblank_max, 1, vblank_def); 2145 2146 ov5670->hblank = v4l2_ctrl_new_std( 2147 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK, 2148 OV5670_FIXED_PPL - ov5670->cur_mode->width, 2149 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1, 2150 OV5670_FIXED_PPL - ov5670->cur_mode->width); 2151 if (ov5670->hblank) 2152 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 2153 2154 /* Get min, max, step, default from sensor */ 2155 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 2156 ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, 2157 ANALOG_GAIN_DEFAULT); 2158 2159 /* Digital gain */ 2160 v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 2161 OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX, 2162 OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT); 2163 2164 /* Get min, max, step, default from sensor */ 2165 exposure_max = ov5670->cur_mode->vts_def - 8; 2166 ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, 2167 V4L2_CID_EXPOSURE, 2168 OV5670_EXPOSURE_MIN, 2169 exposure_max, OV5670_EXPOSURE_STEP, 2170 exposure_max); 2171 2172 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops, 2173 V4L2_CID_TEST_PATTERN, 2174 ARRAY_SIZE(ov5670_test_pattern_menu) - 1, 2175 0, 0, ov5670_test_pattern_menu); 2176 2177 if (ctrl_hdlr->error) { 2178 ret = ctrl_hdlr->error; 2179 goto error; 2180 } 2181 2182 ret = v4l2_fwnode_device_parse(&client->dev, &props); 2183 if (ret) 2184 goto error; 2185 2186 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops, 2187 &props); 2188 if (ret) 2189 goto error; 2190 2191 ov5670->sd.ctrl_handler = ctrl_hdlr; 2192 2193 return 0; 2194 2195 error: 2196 v4l2_ctrl_handler_free(ctrl_hdlr); 2197 2198 return ret; 2199 } 2200 2201 static int ov5670_init_cfg(struct v4l2_subdev *sd, 2202 struct v4l2_subdev_state *state) 2203 { 2204 struct v4l2_mbus_framefmt *fmt = 2205 v4l2_subdev_get_try_format(sd, state, 0); 2206 const struct ov5670_mode *default_mode = &supported_modes[0]; 2207 struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, state, 0); 2208 2209 fmt->width = default_mode->width; 2210 fmt->height = default_mode->height; 2211 fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2212 fmt->field = V4L2_FIELD_NONE; 2213 fmt->colorspace = V4L2_COLORSPACE_SRGB; 2214 fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB); 2215 fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; 2216 fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB); 2217 2218 *crop = *default_mode->analog_crop; 2219 2220 return 0; 2221 } 2222 2223 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd, 2224 struct v4l2_subdev_state *sd_state, 2225 struct v4l2_subdev_mbus_code_enum *code) 2226 { 2227 /* Only one bayer order GRBG is supported */ 2228 if (code->index > 0) 2229 return -EINVAL; 2230 2231 code->code = MEDIA_BUS_FMT_SGRBG10_1X10; 2232 2233 return 0; 2234 } 2235 2236 static int ov5670_enum_frame_size(struct v4l2_subdev *sd, 2237 struct v4l2_subdev_state *sd_state, 2238 struct v4l2_subdev_frame_size_enum *fse) 2239 { 2240 if (fse->index >= ARRAY_SIZE(supported_modes)) 2241 return -EINVAL; 2242 2243 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) 2244 return -EINVAL; 2245 2246 fse->min_width = supported_modes[fse->index].width; 2247 fse->max_width = fse->min_width; 2248 fse->min_height = supported_modes[fse->index].height; 2249 fse->max_height = fse->min_height; 2250 2251 return 0; 2252 } 2253 2254 static void ov5670_update_pad_format(const struct ov5670_mode *mode, 2255 struct v4l2_subdev_format *fmt) 2256 { 2257 fmt->format.width = mode->width; 2258 fmt->format.height = mode->height; 2259 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2260 fmt->format.field = V4L2_FIELD_NONE; 2261 } 2262 2263 static int ov5670_do_get_pad_format(struct ov5670 *ov5670, 2264 struct v4l2_subdev_state *sd_state, 2265 struct v4l2_subdev_format *fmt) 2266 { 2267 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) 2268 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, 2269 sd_state, 2270 fmt->pad); 2271 else 2272 ov5670_update_pad_format(ov5670->cur_mode, fmt); 2273 2274 return 0; 2275 } 2276 2277 static int ov5670_get_pad_format(struct v4l2_subdev *sd, 2278 struct v4l2_subdev_state *sd_state, 2279 struct v4l2_subdev_format *fmt) 2280 { 2281 struct ov5670 *ov5670 = to_ov5670(sd); 2282 int ret; 2283 2284 mutex_lock(&ov5670->mutex); 2285 ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt); 2286 mutex_unlock(&ov5670->mutex); 2287 2288 return ret; 2289 } 2290 2291 static int ov5670_set_pad_format(struct v4l2_subdev *sd, 2292 struct v4l2_subdev_state *sd_state, 2293 struct v4l2_subdev_format *fmt) 2294 { 2295 struct ov5670 *ov5670 = to_ov5670(sd); 2296 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2297 &ov5670->endpoint.bus.mipi_csi2; 2298 const struct ov5670_mode *mode; 2299 unsigned int lanes_count; 2300 s64 mipi_pixel_rate; 2301 s32 vblank_def; 2302 s64 link_freq; 2303 s32 h_blank; 2304 2305 mutex_lock(&ov5670->mutex); 2306 2307 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 2308 2309 mode = v4l2_find_nearest_size(supported_modes, 2310 ARRAY_SIZE(supported_modes), 2311 width, height, 2312 fmt->format.width, fmt->format.height); 2313 ov5670_update_pad_format(mode, fmt); 2314 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 2315 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format; 2316 } else { 2317 ov5670->cur_mode = mode; 2318 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index); 2319 2320 lanes_count = bus_mipi_csi2->num_data_lanes; 2321 link_freq = link_freq_menu_items[mode->link_freq_index]; 2322 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ 2323 mipi_pixel_rate = div_s64(link_freq * 2 * lanes_count, 10); 2324 __v4l2_ctrl_s_ctrl_int64( 2325 ov5670->pixel_rate, 2326 mipi_pixel_rate); 2327 /* Update limits and set FPS to default */ 2328 vblank_def = ov5670->cur_mode->vts_def - 2329 ov5670->cur_mode->height; 2330 __v4l2_ctrl_modify_range( 2331 ov5670->vblank, 2332 ov5670->cur_mode->vts_min - ov5670->cur_mode->height, 2333 OV5670_VTS_MAX - ov5670->cur_mode->height, 1, 2334 vblank_def); 2335 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def); 2336 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width; 2337 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1, 2338 h_blank); 2339 } 2340 2341 mutex_unlock(&ov5670->mutex); 2342 2343 return 0; 2344 } 2345 2346 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames) 2347 { 2348 *frames = OV5670_NUM_OF_SKIP_FRAMES; 2349 2350 return 0; 2351 } 2352 2353 /* Verify chip ID */ 2354 static int ov5670_identify_module(struct ov5670 *ov5670) 2355 { 2356 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2357 int ret; 2358 u32 val; 2359 2360 if (ov5670->identified) 2361 return 0; 2362 2363 ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID, 2364 OV5670_REG_VALUE_24BIT, &val); 2365 if (ret) 2366 return ret; 2367 2368 if (val != OV5670_CHIP_ID) { 2369 dev_err(&client->dev, "chip id mismatch: %x!=%x\n", 2370 OV5670_CHIP_ID, val); 2371 return -ENXIO; 2372 } 2373 2374 ov5670->identified = true; 2375 2376 return 0; 2377 } 2378 2379 static int ov5670_mipi_configure(struct ov5670 *ov5670) 2380 { 2381 struct v4l2_mbus_config_mipi_csi2 *bus_mipi_csi2 = 2382 &ov5670->endpoint.bus.mipi_csi2; 2383 unsigned int lanes_count = bus_mipi_csi2->num_data_lanes; 2384 2385 return ov5670_write_reg(ov5670, OV5670_MIPI_SC_CTRL0_REG, 2386 OV5670_REG_VALUE_08BIT, 2387 OV5670_MIPI_SC_CTRL0_LANES(lanes_count) | 2388 OV5670_MIPI_SC_CTRL0_MIPI_EN | 2389 OV5670_MIPI_SC_CTRL0_RESERVED); 2390 } 2391 2392 /* Prepare streaming by writing default values and customized values */ 2393 static int ov5670_start_streaming(struct ov5670 *ov5670) 2394 { 2395 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2396 const struct ov5670_reg_list *reg_list; 2397 int link_freq_index; 2398 int ret; 2399 2400 ret = ov5670_identify_module(ov5670); 2401 if (ret) 2402 return ret; 2403 2404 /* Get out of from software reset */ 2405 ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST, 2406 OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST); 2407 if (ret) { 2408 dev_err(&client->dev, "%s failed to set powerup registers\n", 2409 __func__); 2410 return ret; 2411 } 2412 2413 /* Setup PLL */ 2414 link_freq_index = ov5670->cur_mode->link_freq_index; 2415 reg_list = &link_freq_configs[link_freq_index].reg_list; 2416 ret = ov5670_write_reg_list(ov5670, reg_list); 2417 if (ret) { 2418 dev_err(&client->dev, "%s failed to set plls\n", __func__); 2419 return ret; 2420 } 2421 2422 /* Apply default values of current mode */ 2423 reg_list = &ov5670->cur_mode->reg_list; 2424 ret = ov5670_write_reg_list(ov5670, reg_list); 2425 if (ret) { 2426 dev_err(&client->dev, "%s failed to set mode\n", __func__); 2427 return ret; 2428 } 2429 2430 ret = ov5670_mipi_configure(ov5670); 2431 if (ret) { 2432 dev_err(&client->dev, "%s failed to configure MIPI\n", __func__); 2433 return ret; 2434 } 2435 2436 ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler); 2437 if (ret) 2438 return ret; 2439 2440 /* Write stream on list */ 2441 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2442 OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING); 2443 if (ret) { 2444 dev_err(&client->dev, "%s failed to set stream\n", __func__); 2445 return ret; 2446 } 2447 2448 return 0; 2449 } 2450 2451 static int ov5670_stop_streaming(struct ov5670 *ov5670) 2452 { 2453 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2454 int ret; 2455 2456 ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT, 2457 OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY); 2458 if (ret) 2459 dev_err(&client->dev, "%s failed to set stream\n", __func__); 2460 2461 /* Return success even if it was an error, as there is nothing the 2462 * caller can do about it. 2463 */ 2464 return 0; 2465 } 2466 2467 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable) 2468 { 2469 struct ov5670 *ov5670 = to_ov5670(sd); 2470 struct i2c_client *client = v4l2_get_subdevdata(sd); 2471 int ret = 0; 2472 2473 mutex_lock(&ov5670->mutex); 2474 if (ov5670->streaming == enable) 2475 goto unlock_and_return; 2476 2477 if (enable) { 2478 ret = pm_runtime_resume_and_get(&client->dev); 2479 if (ret < 0) 2480 goto unlock_and_return; 2481 2482 ret = ov5670_start_streaming(ov5670); 2483 if (ret) 2484 goto error; 2485 } else { 2486 ret = ov5670_stop_streaming(ov5670); 2487 pm_runtime_put(&client->dev); 2488 } 2489 ov5670->streaming = enable; 2490 goto unlock_and_return; 2491 2492 error: 2493 pm_runtime_put(&client->dev); 2494 2495 unlock_and_return: 2496 mutex_unlock(&ov5670->mutex); 2497 2498 return ret; 2499 } 2500 2501 static int __maybe_unused ov5670_runtime_resume(struct device *dev) 2502 { 2503 struct i2c_client *client = to_i2c_client(dev); 2504 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2505 struct ov5670 *ov5670 = to_ov5670(sd); 2506 unsigned long delay_us; 2507 int ret; 2508 2509 ret = clk_prepare_enable(ov5670->xvclk); 2510 if (ret) 2511 return ret; 2512 2513 ret = regulator_bulk_enable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2514 if (ret) { 2515 clk_disable_unprepare(ov5670->xvclk); 2516 return ret; 2517 } 2518 2519 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 0); 2520 gpiod_set_value_cansleep(ov5670->reset_gpio, 0); 2521 2522 /* 8192 * 2 clock pulses before the first SCCB transaction. */ 2523 delay_us = DIV_ROUND_UP(8192 * 2 * 1000, 2524 DIV_ROUND_UP(OV5670_XVCLK_FREQ, 1000)); 2525 fsleep(delay_us); 2526 2527 return 0; 2528 } 2529 2530 static int __maybe_unused ov5670_runtime_suspend(struct device *dev) 2531 { 2532 struct i2c_client *client = to_i2c_client(dev); 2533 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2534 struct ov5670 *ov5670 = to_ov5670(sd); 2535 2536 gpiod_set_value_cansleep(ov5670->reset_gpio, 1); 2537 gpiod_set_value_cansleep(ov5670->pwdn_gpio, 1); 2538 regulator_bulk_disable(OV5670_NUM_SUPPLIES, ov5670->supplies); 2539 clk_disable_unprepare(ov5670->xvclk); 2540 2541 return 0; 2542 } 2543 2544 static int __maybe_unused ov5670_suspend(struct device *dev) 2545 { 2546 struct v4l2_subdev *sd = dev_get_drvdata(dev); 2547 struct ov5670 *ov5670 = to_ov5670(sd); 2548 2549 if (ov5670->streaming) 2550 ov5670_stop_streaming(ov5670); 2551 2552 return 0; 2553 } 2554 2555 static int __maybe_unused ov5670_resume(struct device *dev) 2556 { 2557 struct v4l2_subdev *sd = dev_get_drvdata(dev); 2558 struct ov5670 *ov5670 = to_ov5670(sd); 2559 int ret; 2560 2561 if (ov5670->streaming) { 2562 ret = ov5670_start_streaming(ov5670); 2563 if (ret) { 2564 ov5670_stop_streaming(ov5670); 2565 return ret; 2566 } 2567 } 2568 2569 return 0; 2570 } 2571 2572 static const struct v4l2_subdev_core_ops ov5670_core_ops = { 2573 .log_status = v4l2_ctrl_subdev_log_status, 2574 .subscribe_event = v4l2_ctrl_subdev_subscribe_event, 2575 .unsubscribe_event = v4l2_event_subdev_unsubscribe, 2576 }; 2577 2578 static const struct v4l2_rect * 2579 __ov5670_get_pad_crop(struct ov5670 *sensor, struct v4l2_subdev_state *state, 2580 unsigned int pad, enum v4l2_subdev_format_whence which) 2581 { 2582 const struct ov5670_mode *mode = sensor->cur_mode; 2583 2584 switch (which) { 2585 case V4L2_SUBDEV_FORMAT_TRY: 2586 return v4l2_subdev_get_try_crop(&sensor->sd, state, pad); 2587 case V4L2_SUBDEV_FORMAT_ACTIVE: 2588 return mode->analog_crop; 2589 } 2590 2591 return NULL; 2592 } 2593 2594 static int ov5670_get_selection(struct v4l2_subdev *subdev, 2595 struct v4l2_subdev_state *state, 2596 struct v4l2_subdev_selection *sel) 2597 { 2598 struct ov5670 *sensor = to_ov5670(subdev); 2599 2600 switch (sel->target) { 2601 case V4L2_SEL_TGT_CROP: 2602 mutex_lock(&sensor->mutex); 2603 sel->r = *__ov5670_get_pad_crop(sensor, state, sel->pad, 2604 sel->which); 2605 mutex_unlock(&sensor->mutex); 2606 break; 2607 case V4L2_SEL_TGT_NATIVE_SIZE: 2608 case V4L2_SEL_TGT_CROP_BOUNDS: 2609 sel->r.top = 0; 2610 sel->r.left = 0; 2611 sel->r.width = OV5670_NATIVE_WIDTH; 2612 sel->r.height = OV5670_NATIVE_HEIGHT; 2613 break; 2614 case V4L2_SEL_TGT_CROP_DEFAULT: 2615 sel->r = ov5670_analog_crop; 2616 break; 2617 default: 2618 return -EINVAL; 2619 } 2620 2621 return 0; 2622 } 2623 2624 static const struct v4l2_subdev_video_ops ov5670_video_ops = { 2625 .s_stream = ov5670_set_stream, 2626 }; 2627 2628 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = { 2629 .init_cfg = ov5670_init_cfg, 2630 .enum_mbus_code = ov5670_enum_mbus_code, 2631 .get_fmt = ov5670_get_pad_format, 2632 .set_fmt = ov5670_set_pad_format, 2633 .enum_frame_size = ov5670_enum_frame_size, 2634 .get_selection = ov5670_get_selection, 2635 .set_selection = ov5670_get_selection, 2636 }; 2637 2638 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = { 2639 .g_skip_frames = ov5670_get_skip_frames, 2640 }; 2641 2642 static const struct v4l2_subdev_ops ov5670_subdev_ops = { 2643 .core = &ov5670_core_ops, 2644 .video = &ov5670_video_ops, 2645 .pad = &ov5670_pad_ops, 2646 .sensor = &ov5670_sensor_ops, 2647 }; 2648 2649 static const struct media_entity_operations ov5670_subdev_entity_ops = { 2650 .link_validate = v4l2_subdev_link_validate, 2651 }; 2652 2653 static int ov5670_regulators_probe(struct ov5670 *ov5670) 2654 { 2655 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2656 unsigned int i; 2657 2658 for (i = 0; i < OV5670_NUM_SUPPLIES; i++) 2659 ov5670->supplies[i].supply = ov5670_supply_names[i]; 2660 2661 return devm_regulator_bulk_get(&client->dev, OV5670_NUM_SUPPLIES, 2662 ov5670->supplies); 2663 } 2664 2665 static int ov5670_gpio_probe(struct ov5670 *ov5670) 2666 { 2667 struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd); 2668 2669 ov5670->pwdn_gpio = devm_gpiod_get_optional(&client->dev, "powerdown", 2670 GPIOD_OUT_LOW); 2671 if (IS_ERR(ov5670->pwdn_gpio)) 2672 return PTR_ERR(ov5670->pwdn_gpio); 2673 2674 ov5670->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", 2675 GPIOD_OUT_LOW); 2676 if (IS_ERR(ov5670->reset_gpio)) 2677 return PTR_ERR(ov5670->reset_gpio); 2678 2679 return 0; 2680 } 2681 2682 static int ov5670_probe(struct i2c_client *client) 2683 { 2684 struct fwnode_handle *handle; 2685 struct ov5670 *ov5670; 2686 u32 input_clk = 0; 2687 bool full_power; 2688 int ret; 2689 2690 ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL); 2691 if (!ov5670) 2692 return -ENOMEM; 2693 2694 ov5670->xvclk = devm_clk_get_optional(&client->dev, NULL); 2695 if (!IS_ERR_OR_NULL(ov5670->xvclk)) 2696 input_clk = clk_get_rate(ov5670->xvclk); 2697 else if (!ov5670->xvclk || PTR_ERR(ov5670->xvclk) == -ENOENT) 2698 device_property_read_u32(&client->dev, "clock-frequency", 2699 &input_clk); 2700 else 2701 return dev_err_probe(&client->dev, PTR_ERR(ov5670->xvclk), 2702 "error getting clock\n"); 2703 2704 if (input_clk != OV5670_XVCLK_FREQ) { 2705 dev_err(&client->dev, 2706 "Unsupported clock frequency %u\n", input_clk); 2707 return -EINVAL; 2708 } 2709 2710 /* Initialize subdev */ 2711 v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops); 2712 2713 ret = ov5670_regulators_probe(ov5670); 2714 if (ret) 2715 return dev_err_probe(&client->dev, ret, "Regulators probe failed\n"); 2716 2717 ret = ov5670_gpio_probe(ov5670); 2718 if (ret) 2719 return dev_err_probe(&client->dev, ret, "GPIO probe failed\n"); 2720 2721 /* Graph Endpoint */ 2722 handle = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), NULL); 2723 if (!handle) 2724 return dev_err_probe(&client->dev, -ENXIO, "Endpoint for node get failed\n"); 2725 2726 ov5670->endpoint.bus_type = V4L2_MBUS_CSI2_DPHY; 2727 ov5670->endpoint.bus.mipi_csi2.num_data_lanes = 2; 2728 2729 ret = v4l2_fwnode_endpoint_alloc_parse(handle, &ov5670->endpoint); 2730 fwnode_handle_put(handle); 2731 if (ret) 2732 return dev_err_probe(&client->dev, ret, "Endpoint parse failed\n"); 2733 2734 full_power = acpi_dev_state_d0(&client->dev); 2735 if (full_power) { 2736 ret = ov5670_runtime_resume(&client->dev); 2737 if (ret) { 2738 dev_err_probe(&client->dev, ret, "Power up failed\n"); 2739 goto error_endpoint; 2740 } 2741 2742 /* Check module identity */ 2743 ret = ov5670_identify_module(ov5670); 2744 if (ret) { 2745 dev_err_probe(&client->dev, ret, "ov5670_identify_module() error\n"); 2746 goto error_power_off; 2747 } 2748 } 2749 2750 mutex_init(&ov5670->mutex); 2751 2752 /* Set default mode to max resolution */ 2753 ov5670->cur_mode = &supported_modes[0]; 2754 2755 ret = ov5670_init_controls(ov5670); 2756 if (ret) { 2757 dev_err_probe(&client->dev, ret, "ov5670_init_controls() error\n"); 2758 goto error_mutex_destroy; 2759 } 2760 2761 ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | 2762 V4L2_SUBDEV_FL_HAS_EVENTS; 2763 ov5670->sd.entity.ops = &ov5670_subdev_entity_ops; 2764 ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 2765 2766 /* Source pad initialization */ 2767 ov5670->pad.flags = MEDIA_PAD_FL_SOURCE; 2768 ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad); 2769 if (ret) { 2770 dev_err_probe(&client->dev, ret, "media_entity_pads_init() error\n"); 2771 goto error_handler_free; 2772 } 2773 2774 ov5670->streaming = false; 2775 2776 /* Set the device's state to active if it's in D0 state. */ 2777 if (full_power) 2778 pm_runtime_set_active(&client->dev); 2779 pm_runtime_enable(&client->dev); 2780 2781 /* Async register for subdev */ 2782 ret = v4l2_async_register_subdev_sensor(&ov5670->sd); 2783 if (ret < 0) { 2784 dev_err_probe(&client->dev, ret, "v4l2_async_register_subdev() error\n"); 2785 goto error_pm_disable; 2786 } 2787 2788 pm_runtime_idle(&client->dev); 2789 2790 return 0; 2791 2792 error_pm_disable: 2793 pm_runtime_disable(&client->dev); 2794 2795 media_entity_cleanup(&ov5670->sd.entity); 2796 2797 error_handler_free: 2798 v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler); 2799 2800 error_mutex_destroy: 2801 mutex_destroy(&ov5670->mutex); 2802 2803 error_power_off: 2804 if (full_power) 2805 ov5670_runtime_suspend(&client->dev); 2806 2807 error_endpoint: 2808 v4l2_fwnode_endpoint_free(&ov5670->endpoint); 2809 2810 return ret; 2811 } 2812 2813 static void ov5670_remove(struct i2c_client *client) 2814 { 2815 struct v4l2_subdev *sd = i2c_get_clientdata(client); 2816 struct ov5670 *ov5670 = to_ov5670(sd); 2817 2818 v4l2_async_unregister_subdev(sd); 2819 media_entity_cleanup(&sd->entity); 2820 v4l2_ctrl_handler_free(sd->ctrl_handler); 2821 mutex_destroy(&ov5670->mutex); 2822 2823 pm_runtime_disable(&client->dev); 2824 ov5670_runtime_suspend(&client->dev); 2825 2826 v4l2_fwnode_endpoint_free(&ov5670->endpoint); 2827 } 2828 2829 static const struct dev_pm_ops ov5670_pm_ops = { 2830 SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume) 2831 SET_RUNTIME_PM_OPS(ov5670_runtime_suspend, ov5670_runtime_resume, NULL) 2832 }; 2833 2834 #ifdef CONFIG_ACPI 2835 static const struct acpi_device_id ov5670_acpi_ids[] = { 2836 { "INT3479" }, 2837 { /* sentinel */ } 2838 }; 2839 2840 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids); 2841 #endif 2842 2843 static const struct of_device_id ov5670_of_ids[] = { 2844 { .compatible = "ovti,ov5670" }, 2845 { /* sentinel */ } 2846 }; 2847 MODULE_DEVICE_TABLE(of, ov5670_of_ids); 2848 2849 static struct i2c_driver ov5670_i2c_driver = { 2850 .driver = { 2851 .name = "ov5670", 2852 .pm = &ov5670_pm_ops, 2853 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids), 2854 .of_match_table = ov5670_of_ids, 2855 }, 2856 .probe = ov5670_probe, 2857 .remove = ov5670_remove, 2858 .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE, 2859 }; 2860 2861 module_i2c_driver(ov5670_i2c_driver); 2862 2863 MODULE_AUTHOR("Rapolu, Chiranjeevi"); 2864 MODULE_AUTHOR("Yang, Hyungwoo"); 2865 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver"); 2866 MODULE_LICENSE("GPL v2"); 2867