1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2017 Intel Corporation. 3 4 #include <linux/acpi.h> 5 #include <linux/i2c.h> 6 #include <linux/module.h> 7 #include <linux/pm_runtime.h> 8 #include <media/v4l2-ctrls.h> 9 #include <media/v4l2-device.h> 10 #include <media/v4l2-fwnode.h> 11 12 #define OV13858_REG_VALUE_08BIT 1 13 #define OV13858_REG_VALUE_16BIT 2 14 #define OV13858_REG_VALUE_24BIT 3 15 16 #define OV13858_REG_MODE_SELECT 0x0100 17 #define OV13858_MODE_STANDBY 0x00 18 #define OV13858_MODE_STREAMING 0x01 19 20 #define OV13858_REG_SOFTWARE_RST 0x0103 21 #define OV13858_SOFTWARE_RST 0x01 22 23 /* PLL1 generates PCLK and MIPI_PHY_CLK */ 24 #define OV13858_REG_PLL1_CTRL_0 0x0300 25 #define OV13858_REG_PLL1_CTRL_1 0x0301 26 #define OV13858_REG_PLL1_CTRL_2 0x0302 27 #define OV13858_REG_PLL1_CTRL_3 0x0303 28 #define OV13858_REG_PLL1_CTRL_4 0x0304 29 #define OV13858_REG_PLL1_CTRL_5 0x0305 30 31 /* PLL2 generates DAC_CLK, SCLK and SRAM_CLK */ 32 #define OV13858_REG_PLL2_CTRL_B 0x030b 33 #define OV13858_REG_PLL2_CTRL_C 0x030c 34 #define OV13858_REG_PLL2_CTRL_D 0x030d 35 #define OV13858_REG_PLL2_CTRL_E 0x030e 36 #define OV13858_REG_PLL2_CTRL_F 0x030f 37 #define OV13858_REG_PLL2_CTRL_12 0x0312 38 #define OV13858_REG_MIPI_SC_CTRL0 0x3016 39 #define OV13858_REG_MIPI_SC_CTRL1 0x3022 40 41 /* Chip ID */ 42 #define OV13858_REG_CHIP_ID 0x300a 43 #define OV13858_CHIP_ID 0x00d855 44 45 /* V_TIMING internal */ 46 #define OV13858_REG_VTS 0x380e 47 #define OV13858_VTS_30FPS 0x0c8e /* 30 fps */ 48 #define OV13858_VTS_60FPS 0x0648 /* 60 fps */ 49 #define OV13858_VTS_MAX 0x7fff 50 51 /* HBLANK control - read only */ 52 #define OV13858_PPL_270MHZ 2244 53 #define OV13858_PPL_540MHZ 4488 54 55 /* Exposure control */ 56 #define OV13858_REG_EXPOSURE 0x3500 57 #define OV13858_EXPOSURE_MIN 4 58 #define OV13858_EXPOSURE_STEP 1 59 #define OV13858_EXPOSURE_DEFAULT 0x640 60 61 /* Analog gain control */ 62 #define OV13858_REG_ANALOG_GAIN 0x3508 63 #define OV13858_ANA_GAIN_MIN 0 64 #define OV13858_ANA_GAIN_MAX 0x1fff 65 #define OV13858_ANA_GAIN_STEP 1 66 #define OV13858_ANA_GAIN_DEFAULT 0x80 67 68 /* Digital gain control */ 69 #define OV13858_REG_B_MWB_GAIN 0x5100 70 #define OV13858_REG_G_MWB_GAIN 0x5102 71 #define OV13858_REG_R_MWB_GAIN 0x5104 72 #define OV13858_DGTL_GAIN_MIN 0 73 #define OV13858_DGTL_GAIN_MAX 16384 /* Max = 16 X */ 74 #define OV13858_DGTL_GAIN_DEFAULT 1024 /* Default gain = 1 X */ 75 #define OV13858_DGTL_GAIN_STEP 1 /* Each step = 1/1024 */ 76 77 /* Test Pattern Control */ 78 #define OV13858_REG_TEST_PATTERN 0x4503 79 #define OV13858_TEST_PATTERN_ENABLE BIT(7) 80 #define OV13858_TEST_PATTERN_MASK 0xfc 81 82 /* Number of frames to skip */ 83 #define OV13858_NUM_OF_SKIP_FRAMES 2 84 85 struct ov13858_reg { 86 u16 address; 87 u8 val; 88 }; 89 90 struct ov13858_reg_list { 91 u32 num_of_regs; 92 const struct ov13858_reg *regs; 93 }; 94 95 /* Link frequency config */ 96 struct ov13858_link_freq_config { 97 u32 pixels_per_line; 98 99 /* PLL registers for this link frequency */ 100 struct ov13858_reg_list reg_list; 101 }; 102 103 /* Mode : resolution and related config&values */ 104 struct ov13858_mode { 105 /* Frame width */ 106 u32 width; 107 /* Frame height */ 108 u32 height; 109 110 /* V-timing */ 111 u32 vts_def; 112 u32 vts_min; 113 114 /* Index of Link frequency config to be used */ 115 u32 link_freq_index; 116 /* Default register values */ 117 struct ov13858_reg_list reg_list; 118 }; 119 120 /* 4224x3136 needs 1080Mbps/lane, 4 lanes */ 121 static const struct ov13858_reg mipi_data_rate_1080mbps[] = { 122 /* PLL1 registers */ 123 {OV13858_REG_PLL1_CTRL_0, 0x07}, 124 {OV13858_REG_PLL1_CTRL_1, 0x01}, 125 {OV13858_REG_PLL1_CTRL_2, 0xc2}, 126 {OV13858_REG_PLL1_CTRL_3, 0x00}, 127 {OV13858_REG_PLL1_CTRL_4, 0x00}, 128 {OV13858_REG_PLL1_CTRL_5, 0x01}, 129 130 /* PLL2 registers */ 131 {OV13858_REG_PLL2_CTRL_B, 0x05}, 132 {OV13858_REG_PLL2_CTRL_C, 0x01}, 133 {OV13858_REG_PLL2_CTRL_D, 0x0e}, 134 {OV13858_REG_PLL2_CTRL_E, 0x05}, 135 {OV13858_REG_PLL2_CTRL_F, 0x01}, 136 {OV13858_REG_PLL2_CTRL_12, 0x01}, 137 {OV13858_REG_MIPI_SC_CTRL0, 0x72}, 138 {OV13858_REG_MIPI_SC_CTRL1, 0x01}, 139 }; 140 141 /* 142 * 2112x1568, 2112x1188, 1056x784 need 540Mbps/lane, 143 * 4 lanes 144 */ 145 static const struct ov13858_reg mipi_data_rate_540mbps[] = { 146 /* PLL1 registers */ 147 {OV13858_REG_PLL1_CTRL_0, 0x07}, 148 {OV13858_REG_PLL1_CTRL_1, 0x01}, 149 {OV13858_REG_PLL1_CTRL_2, 0xc2}, 150 {OV13858_REG_PLL1_CTRL_3, 0x01}, 151 {OV13858_REG_PLL1_CTRL_4, 0x00}, 152 {OV13858_REG_PLL1_CTRL_5, 0x01}, 153 154 /* PLL2 registers */ 155 {OV13858_REG_PLL2_CTRL_B, 0x05}, 156 {OV13858_REG_PLL2_CTRL_C, 0x01}, 157 {OV13858_REG_PLL2_CTRL_D, 0x0e}, 158 {OV13858_REG_PLL2_CTRL_E, 0x05}, 159 {OV13858_REG_PLL2_CTRL_F, 0x01}, 160 {OV13858_REG_PLL2_CTRL_12, 0x01}, 161 {OV13858_REG_MIPI_SC_CTRL0, 0x72}, 162 {OV13858_REG_MIPI_SC_CTRL1, 0x01}, 163 }; 164 165 static const struct ov13858_reg mode_4224x3136_regs[] = { 166 {0x3013, 0x32}, 167 {0x301b, 0xf0}, 168 {0x301f, 0xd0}, 169 {0x3106, 0x15}, 170 {0x3107, 0x23}, 171 {0x350a, 0x00}, 172 {0x350e, 0x00}, 173 {0x3510, 0x00}, 174 {0x3511, 0x02}, 175 {0x3512, 0x00}, 176 {0x3600, 0x2b}, 177 {0x3601, 0x52}, 178 {0x3602, 0x60}, 179 {0x3612, 0x05}, 180 {0x3613, 0xa4}, 181 {0x3620, 0x80}, 182 {0x3621, 0x10}, 183 {0x3622, 0x30}, 184 {0x3624, 0x1c}, 185 {0x3640, 0x10}, 186 {0x3641, 0x70}, 187 {0x3660, 0x04}, 188 {0x3661, 0x80}, 189 {0x3662, 0x12}, 190 {0x3664, 0x73}, 191 {0x3665, 0xa7}, 192 {0x366e, 0xff}, 193 {0x366f, 0xf4}, 194 {0x3674, 0x00}, 195 {0x3679, 0x0c}, 196 {0x367f, 0x01}, 197 {0x3680, 0x0c}, 198 {0x3681, 0x50}, 199 {0x3682, 0x50}, 200 {0x3683, 0xa9}, 201 {0x3684, 0xa9}, 202 {0x3709, 0x5f}, 203 {0x3714, 0x24}, 204 {0x371a, 0x3e}, 205 {0x3737, 0x04}, 206 {0x3738, 0xcc}, 207 {0x3739, 0x12}, 208 {0x373d, 0x26}, 209 {0x3764, 0x20}, 210 {0x3765, 0x20}, 211 {0x37a1, 0x36}, 212 {0x37a8, 0x3b}, 213 {0x37ab, 0x31}, 214 {0x37c2, 0x04}, 215 {0x37c3, 0xf1}, 216 {0x37c5, 0x00}, 217 {0x37d8, 0x03}, 218 {0x37d9, 0x0c}, 219 {0x37da, 0xc2}, 220 {0x37dc, 0x02}, 221 {0x37e0, 0x00}, 222 {0x37e1, 0x0a}, 223 {0x37e2, 0x14}, 224 {0x37e3, 0x04}, 225 {0x37e4, 0x2a}, 226 {0x37e5, 0x03}, 227 {0x37e6, 0x04}, 228 {0x3800, 0x00}, 229 {0x3801, 0x00}, 230 {0x3802, 0x00}, 231 {0x3803, 0x08}, 232 {0x3804, 0x10}, 233 {0x3805, 0x9f}, 234 {0x3806, 0x0c}, 235 {0x3807, 0x57}, 236 {0x3808, 0x10}, 237 {0x3809, 0x80}, 238 {0x380a, 0x0c}, 239 {0x380b, 0x40}, 240 {0x380c, 0x04}, 241 {0x380d, 0x62}, 242 {0x380e, 0x0c}, 243 {0x380f, 0x8e}, 244 {0x3811, 0x04}, 245 {0x3813, 0x05}, 246 {0x3814, 0x01}, 247 {0x3815, 0x01}, 248 {0x3816, 0x01}, 249 {0x3817, 0x01}, 250 {0x3820, 0xa8}, 251 {0x3821, 0x00}, 252 {0x3822, 0xc2}, 253 {0x3823, 0x18}, 254 {0x3826, 0x11}, 255 {0x3827, 0x1c}, 256 {0x3829, 0x03}, 257 {0x3832, 0x00}, 258 {0x3c80, 0x00}, 259 {0x3c87, 0x01}, 260 {0x3c8c, 0x19}, 261 {0x3c8d, 0x1c}, 262 {0x3c90, 0x00}, 263 {0x3c91, 0x00}, 264 {0x3c92, 0x00}, 265 {0x3c93, 0x00}, 266 {0x3c94, 0x40}, 267 {0x3c95, 0x54}, 268 {0x3c96, 0x34}, 269 {0x3c97, 0x04}, 270 {0x3c98, 0x00}, 271 {0x3d8c, 0x73}, 272 {0x3d8d, 0xc0}, 273 {0x3f00, 0x0b}, 274 {0x3f03, 0x00}, 275 {0x4001, 0xe0}, 276 {0x4008, 0x00}, 277 {0x4009, 0x0f}, 278 {0x4011, 0xf0}, 279 {0x4017, 0x08}, 280 {0x4050, 0x04}, 281 {0x4051, 0x0b}, 282 {0x4052, 0x00}, 283 {0x4053, 0x80}, 284 {0x4054, 0x00}, 285 {0x4055, 0x80}, 286 {0x4056, 0x00}, 287 {0x4057, 0x80}, 288 {0x4058, 0x00}, 289 {0x4059, 0x80}, 290 {0x405e, 0x20}, 291 {0x4500, 0x07}, 292 {0x4503, 0x00}, 293 {0x450a, 0x04}, 294 {0x4809, 0x04}, 295 {0x480c, 0x12}, 296 {0x481f, 0x30}, 297 {0x4833, 0x10}, 298 {0x4837, 0x0e}, 299 {0x4902, 0x01}, 300 {0x4d00, 0x03}, 301 {0x4d01, 0xc9}, 302 {0x4d02, 0xbc}, 303 {0x4d03, 0xd7}, 304 {0x4d04, 0xf0}, 305 {0x4d05, 0xa2}, 306 {0x5000, 0xfd}, 307 {0x5001, 0x01}, 308 {0x5040, 0x39}, 309 {0x5041, 0x10}, 310 {0x5042, 0x10}, 311 {0x5043, 0x84}, 312 {0x5044, 0x62}, 313 {0x5180, 0x00}, 314 {0x5181, 0x10}, 315 {0x5182, 0x02}, 316 {0x5183, 0x0f}, 317 {0x5200, 0x1b}, 318 {0x520b, 0x07}, 319 {0x520c, 0x0f}, 320 {0x5300, 0x04}, 321 {0x5301, 0x0c}, 322 {0x5302, 0x0c}, 323 {0x5303, 0x0f}, 324 {0x5304, 0x00}, 325 {0x5305, 0x70}, 326 {0x5306, 0x00}, 327 {0x5307, 0x80}, 328 {0x5308, 0x00}, 329 {0x5309, 0xa5}, 330 {0x530a, 0x00}, 331 {0x530b, 0xd3}, 332 {0x530c, 0x00}, 333 {0x530d, 0xf0}, 334 {0x530e, 0x01}, 335 {0x530f, 0x10}, 336 {0x5310, 0x01}, 337 {0x5311, 0x20}, 338 {0x5312, 0x01}, 339 {0x5313, 0x20}, 340 {0x5314, 0x01}, 341 {0x5315, 0x20}, 342 {0x5316, 0x08}, 343 {0x5317, 0x08}, 344 {0x5318, 0x10}, 345 {0x5319, 0x88}, 346 {0x531a, 0x88}, 347 {0x531b, 0xa9}, 348 {0x531c, 0xaa}, 349 {0x531d, 0x0a}, 350 {0x5405, 0x02}, 351 {0x5406, 0x67}, 352 {0x5407, 0x01}, 353 {0x5408, 0x4a}, 354 }; 355 356 static const struct ov13858_reg mode_2112x1568_regs[] = { 357 {0x3013, 0x32}, 358 {0x301b, 0xf0}, 359 {0x301f, 0xd0}, 360 {0x3106, 0x15}, 361 {0x3107, 0x23}, 362 {0x350a, 0x00}, 363 {0x350e, 0x00}, 364 {0x3510, 0x00}, 365 {0x3511, 0x02}, 366 {0x3512, 0x00}, 367 {0x3600, 0x2b}, 368 {0x3601, 0x52}, 369 {0x3602, 0x60}, 370 {0x3612, 0x05}, 371 {0x3613, 0xa4}, 372 {0x3620, 0x80}, 373 {0x3621, 0x10}, 374 {0x3622, 0x30}, 375 {0x3624, 0x1c}, 376 {0x3640, 0x10}, 377 {0x3641, 0x70}, 378 {0x3660, 0x04}, 379 {0x3661, 0x80}, 380 {0x3662, 0x10}, 381 {0x3664, 0x73}, 382 {0x3665, 0xa7}, 383 {0x366e, 0xff}, 384 {0x366f, 0xf4}, 385 {0x3674, 0x00}, 386 {0x3679, 0x0c}, 387 {0x367f, 0x01}, 388 {0x3680, 0x0c}, 389 {0x3681, 0x50}, 390 {0x3682, 0x50}, 391 {0x3683, 0xa9}, 392 {0x3684, 0xa9}, 393 {0x3709, 0x5f}, 394 {0x3714, 0x28}, 395 {0x371a, 0x3e}, 396 {0x3737, 0x08}, 397 {0x3738, 0xcc}, 398 {0x3739, 0x20}, 399 {0x373d, 0x26}, 400 {0x3764, 0x20}, 401 {0x3765, 0x20}, 402 {0x37a1, 0x36}, 403 {0x37a8, 0x3b}, 404 {0x37ab, 0x31}, 405 {0x37c2, 0x14}, 406 {0x37c3, 0xf1}, 407 {0x37c5, 0x00}, 408 {0x37d8, 0x03}, 409 {0x37d9, 0x0c}, 410 {0x37da, 0xc2}, 411 {0x37dc, 0x02}, 412 {0x37e0, 0x00}, 413 {0x37e1, 0x0a}, 414 {0x37e2, 0x14}, 415 {0x37e3, 0x08}, 416 {0x37e4, 0x38}, 417 {0x37e5, 0x03}, 418 {0x37e6, 0x08}, 419 {0x3800, 0x00}, 420 {0x3801, 0x00}, 421 {0x3802, 0x00}, 422 {0x3803, 0x00}, 423 {0x3804, 0x10}, 424 {0x3805, 0x9f}, 425 {0x3806, 0x0c}, 426 {0x3807, 0x5f}, 427 {0x3808, 0x08}, 428 {0x3809, 0x40}, 429 {0x380a, 0x06}, 430 {0x380b, 0x20}, 431 {0x380c, 0x04}, 432 {0x380d, 0x62}, 433 {0x380e, 0x0c}, 434 {0x380f, 0x8e}, 435 {0x3811, 0x04}, 436 {0x3813, 0x05}, 437 {0x3814, 0x03}, 438 {0x3815, 0x01}, 439 {0x3816, 0x03}, 440 {0x3817, 0x01}, 441 {0x3820, 0xab}, 442 {0x3821, 0x00}, 443 {0x3822, 0xc2}, 444 {0x3823, 0x18}, 445 {0x3826, 0x04}, 446 {0x3827, 0x90}, 447 {0x3829, 0x07}, 448 {0x3832, 0x00}, 449 {0x3c80, 0x00}, 450 {0x3c87, 0x01}, 451 {0x3c8c, 0x19}, 452 {0x3c8d, 0x1c}, 453 {0x3c90, 0x00}, 454 {0x3c91, 0x00}, 455 {0x3c92, 0x00}, 456 {0x3c93, 0x00}, 457 {0x3c94, 0x40}, 458 {0x3c95, 0x54}, 459 {0x3c96, 0x34}, 460 {0x3c97, 0x04}, 461 {0x3c98, 0x00}, 462 {0x3d8c, 0x73}, 463 {0x3d8d, 0xc0}, 464 {0x3f00, 0x0b}, 465 {0x3f03, 0x00}, 466 {0x4001, 0xe0}, 467 {0x4008, 0x00}, 468 {0x4009, 0x0d}, 469 {0x4011, 0xf0}, 470 {0x4017, 0x08}, 471 {0x4050, 0x04}, 472 {0x4051, 0x0b}, 473 {0x4052, 0x00}, 474 {0x4053, 0x80}, 475 {0x4054, 0x00}, 476 {0x4055, 0x80}, 477 {0x4056, 0x00}, 478 {0x4057, 0x80}, 479 {0x4058, 0x00}, 480 {0x4059, 0x80}, 481 {0x405e, 0x20}, 482 {0x4500, 0x07}, 483 {0x4503, 0x00}, 484 {0x450a, 0x04}, 485 {0x4809, 0x04}, 486 {0x480c, 0x12}, 487 {0x481f, 0x30}, 488 {0x4833, 0x10}, 489 {0x4837, 0x1c}, 490 {0x4902, 0x01}, 491 {0x4d00, 0x03}, 492 {0x4d01, 0xc9}, 493 {0x4d02, 0xbc}, 494 {0x4d03, 0xd7}, 495 {0x4d04, 0xf0}, 496 {0x4d05, 0xa2}, 497 {0x5000, 0xfd}, 498 {0x5001, 0x01}, 499 {0x5040, 0x39}, 500 {0x5041, 0x10}, 501 {0x5042, 0x10}, 502 {0x5043, 0x84}, 503 {0x5044, 0x62}, 504 {0x5180, 0x00}, 505 {0x5181, 0x10}, 506 {0x5182, 0x02}, 507 {0x5183, 0x0f}, 508 {0x5200, 0x1b}, 509 {0x520b, 0x07}, 510 {0x520c, 0x0f}, 511 {0x5300, 0x04}, 512 {0x5301, 0x0c}, 513 {0x5302, 0x0c}, 514 {0x5303, 0x0f}, 515 {0x5304, 0x00}, 516 {0x5305, 0x70}, 517 {0x5306, 0x00}, 518 {0x5307, 0x80}, 519 {0x5308, 0x00}, 520 {0x5309, 0xa5}, 521 {0x530a, 0x00}, 522 {0x530b, 0xd3}, 523 {0x530c, 0x00}, 524 {0x530d, 0xf0}, 525 {0x530e, 0x01}, 526 {0x530f, 0x10}, 527 {0x5310, 0x01}, 528 {0x5311, 0x20}, 529 {0x5312, 0x01}, 530 {0x5313, 0x20}, 531 {0x5314, 0x01}, 532 {0x5315, 0x20}, 533 {0x5316, 0x08}, 534 {0x5317, 0x08}, 535 {0x5318, 0x10}, 536 {0x5319, 0x88}, 537 {0x531a, 0x88}, 538 {0x531b, 0xa9}, 539 {0x531c, 0xaa}, 540 {0x531d, 0x0a}, 541 {0x5405, 0x02}, 542 {0x5406, 0x67}, 543 {0x5407, 0x01}, 544 {0x5408, 0x4a}, 545 }; 546 547 static const struct ov13858_reg mode_2112x1188_regs[] = { 548 {0x3013, 0x32}, 549 {0x301b, 0xf0}, 550 {0x301f, 0xd0}, 551 {0x3106, 0x15}, 552 {0x3107, 0x23}, 553 {0x350a, 0x00}, 554 {0x350e, 0x00}, 555 {0x3510, 0x00}, 556 {0x3511, 0x02}, 557 {0x3512, 0x00}, 558 {0x3600, 0x2b}, 559 {0x3601, 0x52}, 560 {0x3602, 0x60}, 561 {0x3612, 0x05}, 562 {0x3613, 0xa4}, 563 {0x3620, 0x80}, 564 {0x3621, 0x10}, 565 {0x3622, 0x30}, 566 {0x3624, 0x1c}, 567 {0x3640, 0x10}, 568 {0x3641, 0x70}, 569 {0x3660, 0x04}, 570 {0x3661, 0x80}, 571 {0x3662, 0x10}, 572 {0x3664, 0x73}, 573 {0x3665, 0xa7}, 574 {0x366e, 0xff}, 575 {0x366f, 0xf4}, 576 {0x3674, 0x00}, 577 {0x3679, 0x0c}, 578 {0x367f, 0x01}, 579 {0x3680, 0x0c}, 580 {0x3681, 0x50}, 581 {0x3682, 0x50}, 582 {0x3683, 0xa9}, 583 {0x3684, 0xa9}, 584 {0x3709, 0x5f}, 585 {0x3714, 0x28}, 586 {0x371a, 0x3e}, 587 {0x3737, 0x08}, 588 {0x3738, 0xcc}, 589 {0x3739, 0x20}, 590 {0x373d, 0x26}, 591 {0x3764, 0x20}, 592 {0x3765, 0x20}, 593 {0x37a1, 0x36}, 594 {0x37a8, 0x3b}, 595 {0x37ab, 0x31}, 596 {0x37c2, 0x14}, 597 {0x37c3, 0xf1}, 598 {0x37c5, 0x00}, 599 {0x37d8, 0x03}, 600 {0x37d9, 0x0c}, 601 {0x37da, 0xc2}, 602 {0x37dc, 0x02}, 603 {0x37e0, 0x00}, 604 {0x37e1, 0x0a}, 605 {0x37e2, 0x14}, 606 {0x37e3, 0x08}, 607 {0x37e4, 0x38}, 608 {0x37e5, 0x03}, 609 {0x37e6, 0x08}, 610 {0x3800, 0x00}, 611 {0x3801, 0x00}, 612 {0x3802, 0x01}, 613 {0x3803, 0x84}, 614 {0x3804, 0x10}, 615 {0x3805, 0x9f}, 616 {0x3806, 0x0a}, 617 {0x3807, 0xd3}, 618 {0x3808, 0x08}, 619 {0x3809, 0x40}, 620 {0x380a, 0x04}, 621 {0x380b, 0xa4}, 622 {0x380c, 0x04}, 623 {0x380d, 0x62}, 624 {0x380e, 0x0c}, 625 {0x380f, 0x8e}, 626 {0x3811, 0x08}, 627 {0x3813, 0x03}, 628 {0x3814, 0x03}, 629 {0x3815, 0x01}, 630 {0x3816, 0x03}, 631 {0x3817, 0x01}, 632 {0x3820, 0xab}, 633 {0x3821, 0x00}, 634 {0x3822, 0xc2}, 635 {0x3823, 0x18}, 636 {0x3826, 0x04}, 637 {0x3827, 0x90}, 638 {0x3829, 0x07}, 639 {0x3832, 0x00}, 640 {0x3c80, 0x00}, 641 {0x3c87, 0x01}, 642 {0x3c8c, 0x19}, 643 {0x3c8d, 0x1c}, 644 {0x3c90, 0x00}, 645 {0x3c91, 0x00}, 646 {0x3c92, 0x00}, 647 {0x3c93, 0x00}, 648 {0x3c94, 0x40}, 649 {0x3c95, 0x54}, 650 {0x3c96, 0x34}, 651 {0x3c97, 0x04}, 652 {0x3c98, 0x00}, 653 {0x3d8c, 0x73}, 654 {0x3d8d, 0xc0}, 655 {0x3f00, 0x0b}, 656 {0x3f03, 0x00}, 657 {0x4001, 0xe0}, 658 {0x4008, 0x00}, 659 {0x4009, 0x0d}, 660 {0x4011, 0xf0}, 661 {0x4017, 0x08}, 662 {0x4050, 0x04}, 663 {0x4051, 0x0b}, 664 {0x4052, 0x00}, 665 {0x4053, 0x80}, 666 {0x4054, 0x00}, 667 {0x4055, 0x80}, 668 {0x4056, 0x00}, 669 {0x4057, 0x80}, 670 {0x4058, 0x00}, 671 {0x4059, 0x80}, 672 {0x405e, 0x20}, 673 {0x4500, 0x07}, 674 {0x4503, 0x00}, 675 {0x450a, 0x04}, 676 {0x4809, 0x04}, 677 {0x480c, 0x12}, 678 {0x481f, 0x30}, 679 {0x4833, 0x10}, 680 {0x4837, 0x1c}, 681 {0x4902, 0x01}, 682 {0x4d00, 0x03}, 683 {0x4d01, 0xc9}, 684 {0x4d02, 0xbc}, 685 {0x4d03, 0xd7}, 686 {0x4d04, 0xf0}, 687 {0x4d05, 0xa2}, 688 {0x5000, 0xfd}, 689 {0x5001, 0x01}, 690 {0x5040, 0x39}, 691 {0x5041, 0x10}, 692 {0x5042, 0x10}, 693 {0x5043, 0x84}, 694 {0x5044, 0x62}, 695 {0x5180, 0x00}, 696 {0x5181, 0x10}, 697 {0x5182, 0x02}, 698 {0x5183, 0x0f}, 699 {0x5200, 0x1b}, 700 {0x520b, 0x07}, 701 {0x520c, 0x0f}, 702 {0x5300, 0x04}, 703 {0x5301, 0x0c}, 704 {0x5302, 0x0c}, 705 {0x5303, 0x0f}, 706 {0x5304, 0x00}, 707 {0x5305, 0x70}, 708 {0x5306, 0x00}, 709 {0x5307, 0x80}, 710 {0x5308, 0x00}, 711 {0x5309, 0xa5}, 712 {0x530a, 0x00}, 713 {0x530b, 0xd3}, 714 {0x530c, 0x00}, 715 {0x530d, 0xf0}, 716 {0x530e, 0x01}, 717 {0x530f, 0x10}, 718 {0x5310, 0x01}, 719 {0x5311, 0x20}, 720 {0x5312, 0x01}, 721 {0x5313, 0x20}, 722 {0x5314, 0x01}, 723 {0x5315, 0x20}, 724 {0x5316, 0x08}, 725 {0x5317, 0x08}, 726 {0x5318, 0x10}, 727 {0x5319, 0x88}, 728 {0x531a, 0x88}, 729 {0x531b, 0xa9}, 730 {0x531c, 0xaa}, 731 {0x531d, 0x0a}, 732 {0x5405, 0x02}, 733 {0x5406, 0x67}, 734 {0x5407, 0x01}, 735 {0x5408, 0x4a}, 736 }; 737 738 static const struct ov13858_reg mode_1056x784_regs[] = { 739 {0x3013, 0x32}, 740 {0x301b, 0xf0}, 741 {0x301f, 0xd0}, 742 {0x3106, 0x15}, 743 {0x3107, 0x23}, 744 {0x350a, 0x00}, 745 {0x350e, 0x00}, 746 {0x3510, 0x00}, 747 {0x3511, 0x02}, 748 {0x3512, 0x00}, 749 {0x3600, 0x2b}, 750 {0x3601, 0x52}, 751 {0x3602, 0x60}, 752 {0x3612, 0x05}, 753 {0x3613, 0xa4}, 754 {0x3620, 0x80}, 755 {0x3621, 0x10}, 756 {0x3622, 0x30}, 757 {0x3624, 0x1c}, 758 {0x3640, 0x10}, 759 {0x3641, 0x70}, 760 {0x3660, 0x04}, 761 {0x3661, 0x80}, 762 {0x3662, 0x08}, 763 {0x3664, 0x73}, 764 {0x3665, 0xa7}, 765 {0x366e, 0xff}, 766 {0x366f, 0xf4}, 767 {0x3674, 0x00}, 768 {0x3679, 0x0c}, 769 {0x367f, 0x01}, 770 {0x3680, 0x0c}, 771 {0x3681, 0x50}, 772 {0x3682, 0x50}, 773 {0x3683, 0xa9}, 774 {0x3684, 0xa9}, 775 {0x3709, 0x5f}, 776 {0x3714, 0x30}, 777 {0x371a, 0x3e}, 778 {0x3737, 0x08}, 779 {0x3738, 0xcc}, 780 {0x3739, 0x20}, 781 {0x373d, 0x26}, 782 {0x3764, 0x20}, 783 {0x3765, 0x20}, 784 {0x37a1, 0x36}, 785 {0x37a8, 0x3b}, 786 {0x37ab, 0x31}, 787 {0x37c2, 0x2c}, 788 {0x37c3, 0xf1}, 789 {0x37c5, 0x00}, 790 {0x37d8, 0x03}, 791 {0x37d9, 0x06}, 792 {0x37da, 0xc2}, 793 {0x37dc, 0x02}, 794 {0x37e0, 0x00}, 795 {0x37e1, 0x0a}, 796 {0x37e2, 0x14}, 797 {0x37e3, 0x08}, 798 {0x37e4, 0x36}, 799 {0x37e5, 0x03}, 800 {0x37e6, 0x08}, 801 {0x3800, 0x00}, 802 {0x3801, 0x00}, 803 {0x3802, 0x00}, 804 {0x3803, 0x00}, 805 {0x3804, 0x10}, 806 {0x3805, 0x9f}, 807 {0x3806, 0x0c}, 808 {0x3807, 0x5f}, 809 {0x3808, 0x04}, 810 {0x3809, 0x20}, 811 {0x380a, 0x03}, 812 {0x380b, 0x10}, 813 {0x380c, 0x04}, 814 {0x380d, 0x62}, 815 {0x380e, 0x0c}, 816 {0x380f, 0x8e}, 817 {0x3811, 0x04}, 818 {0x3813, 0x05}, 819 {0x3814, 0x07}, 820 {0x3815, 0x01}, 821 {0x3816, 0x07}, 822 {0x3817, 0x01}, 823 {0x3820, 0xac}, 824 {0x3821, 0x00}, 825 {0x3822, 0xc2}, 826 {0x3823, 0x18}, 827 {0x3826, 0x04}, 828 {0x3827, 0x48}, 829 {0x3829, 0x03}, 830 {0x3832, 0x00}, 831 {0x3c80, 0x00}, 832 {0x3c87, 0x01}, 833 {0x3c8c, 0x19}, 834 {0x3c8d, 0x1c}, 835 {0x3c90, 0x00}, 836 {0x3c91, 0x00}, 837 {0x3c92, 0x00}, 838 {0x3c93, 0x00}, 839 {0x3c94, 0x40}, 840 {0x3c95, 0x54}, 841 {0x3c96, 0x34}, 842 {0x3c97, 0x04}, 843 {0x3c98, 0x00}, 844 {0x3d8c, 0x73}, 845 {0x3d8d, 0xc0}, 846 {0x3f00, 0x0b}, 847 {0x3f03, 0x00}, 848 {0x4001, 0xe0}, 849 {0x4008, 0x00}, 850 {0x4009, 0x05}, 851 {0x4011, 0xf0}, 852 {0x4017, 0x08}, 853 {0x4050, 0x02}, 854 {0x4051, 0x05}, 855 {0x4052, 0x00}, 856 {0x4053, 0x80}, 857 {0x4054, 0x00}, 858 {0x4055, 0x80}, 859 {0x4056, 0x00}, 860 {0x4057, 0x80}, 861 {0x4058, 0x00}, 862 {0x4059, 0x80}, 863 {0x405e, 0x20}, 864 {0x4500, 0x07}, 865 {0x4503, 0x00}, 866 {0x450a, 0x04}, 867 {0x4809, 0x04}, 868 {0x480c, 0x12}, 869 {0x481f, 0x30}, 870 {0x4833, 0x10}, 871 {0x4837, 0x1e}, 872 {0x4902, 0x02}, 873 {0x4d00, 0x03}, 874 {0x4d01, 0xc9}, 875 {0x4d02, 0xbc}, 876 {0x4d03, 0xd7}, 877 {0x4d04, 0xf0}, 878 {0x4d05, 0xa2}, 879 {0x5000, 0xfd}, 880 {0x5001, 0x01}, 881 {0x5040, 0x39}, 882 {0x5041, 0x10}, 883 {0x5042, 0x10}, 884 {0x5043, 0x84}, 885 {0x5044, 0x62}, 886 {0x5180, 0x00}, 887 {0x5181, 0x10}, 888 {0x5182, 0x02}, 889 {0x5183, 0x0f}, 890 {0x5200, 0x1b}, 891 {0x520b, 0x07}, 892 {0x520c, 0x0f}, 893 {0x5300, 0x04}, 894 {0x5301, 0x0c}, 895 {0x5302, 0x0c}, 896 {0x5303, 0x0f}, 897 {0x5304, 0x00}, 898 {0x5305, 0x70}, 899 {0x5306, 0x00}, 900 {0x5307, 0x80}, 901 {0x5308, 0x00}, 902 {0x5309, 0xa5}, 903 {0x530a, 0x00}, 904 {0x530b, 0xd3}, 905 {0x530c, 0x00}, 906 {0x530d, 0xf0}, 907 {0x530e, 0x01}, 908 {0x530f, 0x10}, 909 {0x5310, 0x01}, 910 {0x5311, 0x20}, 911 {0x5312, 0x01}, 912 {0x5313, 0x20}, 913 {0x5314, 0x01}, 914 {0x5315, 0x20}, 915 {0x5316, 0x08}, 916 {0x5317, 0x08}, 917 {0x5318, 0x10}, 918 {0x5319, 0x88}, 919 {0x531a, 0x88}, 920 {0x531b, 0xa9}, 921 {0x531c, 0xaa}, 922 {0x531d, 0x0a}, 923 {0x5405, 0x02}, 924 {0x5406, 0x67}, 925 {0x5407, 0x01}, 926 {0x5408, 0x4a}, 927 }; 928 929 static const char * const ov13858_test_pattern_menu[] = { 930 "Disabled", 931 "Vertical Color Bar Type 1", 932 "Vertical Color Bar Type 2", 933 "Vertical Color Bar Type 3", 934 "Vertical Color Bar Type 4" 935 }; 936 937 /* Configurations for supported link frequencies */ 938 #define OV13858_NUM_OF_LINK_FREQS 2 939 #define OV13858_LINK_FREQ_540MHZ 540000000ULL 940 #define OV13858_LINK_FREQ_270MHZ 270000000ULL 941 #define OV13858_LINK_FREQ_INDEX_0 0 942 #define OV13858_LINK_FREQ_INDEX_1 1 943 944 /* 945 * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample 946 * data rate => double data rate; number of lanes => 4; bits per pixel => 10 947 */ 948 static u64 link_freq_to_pixel_rate(u64 f) 949 { 950 f *= 2 * 4; 951 do_div(f, 10); 952 953 return f; 954 } 955 956 /* Menu items for LINK_FREQ V4L2 control */ 957 static const s64 link_freq_menu_items[OV13858_NUM_OF_LINK_FREQS] = { 958 OV13858_LINK_FREQ_540MHZ, 959 OV13858_LINK_FREQ_270MHZ 960 }; 961 962 /* Link frequency configs */ 963 static const struct ov13858_link_freq_config 964 link_freq_configs[OV13858_NUM_OF_LINK_FREQS] = { 965 { 966 .pixels_per_line = OV13858_PPL_540MHZ, 967 .reg_list = { 968 .num_of_regs = ARRAY_SIZE(mipi_data_rate_1080mbps), 969 .regs = mipi_data_rate_1080mbps, 970 } 971 }, 972 { 973 .pixels_per_line = OV13858_PPL_270MHZ, 974 .reg_list = { 975 .num_of_regs = ARRAY_SIZE(mipi_data_rate_540mbps), 976 .regs = mipi_data_rate_540mbps, 977 } 978 } 979 }; 980 981 /* Mode configs */ 982 static const struct ov13858_mode supported_modes[] = { 983 { 984 .width = 4224, 985 .height = 3136, 986 .vts_def = OV13858_VTS_30FPS, 987 .vts_min = OV13858_VTS_30FPS, 988 .reg_list = { 989 .num_of_regs = ARRAY_SIZE(mode_4224x3136_regs), 990 .regs = mode_4224x3136_regs, 991 }, 992 .link_freq_index = OV13858_LINK_FREQ_INDEX_0, 993 }, 994 { 995 .width = 2112, 996 .height = 1568, 997 .vts_def = OV13858_VTS_30FPS, 998 .vts_min = 1608, 999 .reg_list = { 1000 .num_of_regs = ARRAY_SIZE(mode_2112x1568_regs), 1001 .regs = mode_2112x1568_regs, 1002 }, 1003 .link_freq_index = OV13858_LINK_FREQ_INDEX_1, 1004 }, 1005 { 1006 .width = 2112, 1007 .height = 1188, 1008 .vts_def = OV13858_VTS_30FPS, 1009 .vts_min = 1608, 1010 .reg_list = { 1011 .num_of_regs = ARRAY_SIZE(mode_2112x1188_regs), 1012 .regs = mode_2112x1188_regs, 1013 }, 1014 .link_freq_index = OV13858_LINK_FREQ_INDEX_1, 1015 }, 1016 { 1017 .width = 1056, 1018 .height = 784, 1019 .vts_def = OV13858_VTS_30FPS, 1020 .vts_min = 804, 1021 .reg_list = { 1022 .num_of_regs = ARRAY_SIZE(mode_1056x784_regs), 1023 .regs = mode_1056x784_regs, 1024 }, 1025 .link_freq_index = OV13858_LINK_FREQ_INDEX_1, 1026 } 1027 }; 1028 1029 struct ov13858 { 1030 struct v4l2_subdev sd; 1031 struct media_pad pad; 1032 1033 struct v4l2_ctrl_handler ctrl_handler; 1034 /* V4L2 Controls */ 1035 struct v4l2_ctrl *link_freq; 1036 struct v4l2_ctrl *pixel_rate; 1037 struct v4l2_ctrl *vblank; 1038 struct v4l2_ctrl *hblank; 1039 struct v4l2_ctrl *exposure; 1040 1041 /* Current mode */ 1042 const struct ov13858_mode *cur_mode; 1043 1044 /* Mutex for serialized access */ 1045 struct mutex mutex; 1046 1047 /* Streaming on/off */ 1048 bool streaming; 1049 }; 1050 1051 #define to_ov13858(_sd) container_of(_sd, struct ov13858, sd) 1052 1053 /* Read registers up to 4 at a time */ 1054 static int ov13858_read_reg(struct ov13858 *ov13858, u16 reg, u32 len, 1055 u32 *val) 1056 { 1057 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1058 struct i2c_msg msgs[2]; 1059 u8 *data_be_p; 1060 int ret; 1061 __be32 data_be = 0; 1062 __be16 reg_addr_be = cpu_to_be16(reg); 1063 1064 if (len > 4) 1065 return -EINVAL; 1066 1067 data_be_p = (u8 *)&data_be; 1068 /* Write register address */ 1069 msgs[0].addr = client->addr; 1070 msgs[0].flags = 0; 1071 msgs[0].len = 2; 1072 msgs[0].buf = (u8 *)®_addr_be; 1073 1074 /* Read data from register */ 1075 msgs[1].addr = client->addr; 1076 msgs[1].flags = I2C_M_RD; 1077 msgs[1].len = len; 1078 msgs[1].buf = &data_be_p[4 - len]; 1079 1080 ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); 1081 if (ret != ARRAY_SIZE(msgs)) 1082 return -EIO; 1083 1084 *val = be32_to_cpu(data_be); 1085 1086 return 0; 1087 } 1088 1089 /* Write registers up to 4 at a time */ 1090 static int ov13858_write_reg(struct ov13858 *ov13858, u16 reg, u32 len, 1091 u32 __val) 1092 { 1093 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1094 int buf_i, val_i; 1095 u8 buf[6], *val_p; 1096 __be32 val; 1097 1098 if (len > 4) 1099 return -EINVAL; 1100 1101 buf[0] = reg >> 8; 1102 buf[1] = reg & 0xff; 1103 1104 val = cpu_to_be32(__val); 1105 val_p = (u8 *)&val; 1106 buf_i = 2; 1107 val_i = 4 - len; 1108 1109 while (val_i < 4) 1110 buf[buf_i++] = val_p[val_i++]; 1111 1112 if (i2c_master_send(client, buf, len + 2) != len + 2) 1113 return -EIO; 1114 1115 return 0; 1116 } 1117 1118 /* Write a list of registers */ 1119 static int ov13858_write_regs(struct ov13858 *ov13858, 1120 const struct ov13858_reg *regs, u32 len) 1121 { 1122 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1123 int ret; 1124 u32 i; 1125 1126 for (i = 0; i < len; i++) { 1127 ret = ov13858_write_reg(ov13858, regs[i].address, 1, 1128 regs[i].val); 1129 if (ret) { 1130 dev_err_ratelimited( 1131 &client->dev, 1132 "Failed to write reg 0x%4.4x. error = %d\n", 1133 regs[i].address, ret); 1134 1135 return ret; 1136 } 1137 } 1138 1139 return 0; 1140 } 1141 1142 static int ov13858_write_reg_list(struct ov13858 *ov13858, 1143 const struct ov13858_reg_list *r_list) 1144 { 1145 return ov13858_write_regs(ov13858, r_list->regs, r_list->num_of_regs); 1146 } 1147 1148 /* Open sub-device */ 1149 static int ov13858_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) 1150 { 1151 struct ov13858 *ov13858 = to_ov13858(sd); 1152 struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_get_try_format(sd, 1153 fh->pad, 1154 0); 1155 1156 mutex_lock(&ov13858->mutex); 1157 1158 /* Initialize try_fmt */ 1159 try_fmt->width = ov13858->cur_mode->width; 1160 try_fmt->height = ov13858->cur_mode->height; 1161 try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; 1162 try_fmt->field = V4L2_FIELD_NONE; 1163 1164 /* No crop or compose */ 1165 mutex_unlock(&ov13858->mutex); 1166 1167 return 0; 1168 } 1169 1170 static int ov13858_update_digital_gain(struct ov13858 *ov13858, u32 d_gain) 1171 { 1172 int ret; 1173 1174 ret = ov13858_write_reg(ov13858, OV13858_REG_B_MWB_GAIN, 1175 OV13858_REG_VALUE_16BIT, d_gain); 1176 if (ret) 1177 return ret; 1178 1179 ret = ov13858_write_reg(ov13858, OV13858_REG_G_MWB_GAIN, 1180 OV13858_REG_VALUE_16BIT, d_gain); 1181 if (ret) 1182 return ret; 1183 1184 ret = ov13858_write_reg(ov13858, OV13858_REG_R_MWB_GAIN, 1185 OV13858_REG_VALUE_16BIT, d_gain); 1186 1187 return ret; 1188 } 1189 1190 static int ov13858_enable_test_pattern(struct ov13858 *ov13858, u32 pattern) 1191 { 1192 int ret; 1193 u32 val; 1194 1195 ret = ov13858_read_reg(ov13858, OV13858_REG_TEST_PATTERN, 1196 OV13858_REG_VALUE_08BIT, &val); 1197 if (ret) 1198 return ret; 1199 1200 if (pattern) { 1201 val &= OV13858_TEST_PATTERN_MASK; 1202 val |= (pattern - 1) | OV13858_TEST_PATTERN_ENABLE; 1203 } else { 1204 val &= ~OV13858_TEST_PATTERN_ENABLE; 1205 } 1206 1207 return ov13858_write_reg(ov13858, OV13858_REG_TEST_PATTERN, 1208 OV13858_REG_VALUE_08BIT, val); 1209 } 1210 1211 static int ov13858_set_ctrl(struct v4l2_ctrl *ctrl) 1212 { 1213 struct ov13858 *ov13858 = container_of(ctrl->handler, 1214 struct ov13858, ctrl_handler); 1215 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1216 s64 max; 1217 int ret; 1218 1219 /* Propagate change of current control to all related controls */ 1220 switch (ctrl->id) { 1221 case V4L2_CID_VBLANK: 1222 /* Update max exposure while meeting expected vblanking */ 1223 max = ov13858->cur_mode->height + ctrl->val - 8; 1224 __v4l2_ctrl_modify_range(ov13858->exposure, 1225 ov13858->exposure->minimum, 1226 max, ov13858->exposure->step, max); 1227 break; 1228 } 1229 1230 /* 1231 * Applying V4L2 control value only happens 1232 * when power is up for streaming 1233 */ 1234 if (!pm_runtime_get_if_in_use(&client->dev)) 1235 return 0; 1236 1237 ret = 0; 1238 switch (ctrl->id) { 1239 case V4L2_CID_ANALOGUE_GAIN: 1240 ret = ov13858_write_reg(ov13858, OV13858_REG_ANALOG_GAIN, 1241 OV13858_REG_VALUE_16BIT, ctrl->val); 1242 break; 1243 case V4L2_CID_DIGITAL_GAIN: 1244 ret = ov13858_update_digital_gain(ov13858, ctrl->val); 1245 break; 1246 case V4L2_CID_EXPOSURE: 1247 ret = ov13858_write_reg(ov13858, OV13858_REG_EXPOSURE, 1248 OV13858_REG_VALUE_24BIT, 1249 ctrl->val << 4); 1250 break; 1251 case V4L2_CID_VBLANK: 1252 /* Update VTS that meets expected vertical blanking */ 1253 ret = ov13858_write_reg(ov13858, OV13858_REG_VTS, 1254 OV13858_REG_VALUE_16BIT, 1255 ov13858->cur_mode->height 1256 + ctrl->val); 1257 break; 1258 case V4L2_CID_TEST_PATTERN: 1259 ret = ov13858_enable_test_pattern(ov13858, ctrl->val); 1260 break; 1261 default: 1262 dev_info(&client->dev, 1263 "ctrl(id:0x%x,val:0x%x) is not handled\n", 1264 ctrl->id, ctrl->val); 1265 break; 1266 } 1267 1268 pm_runtime_put(&client->dev); 1269 1270 return ret; 1271 } 1272 1273 static const struct v4l2_ctrl_ops ov13858_ctrl_ops = { 1274 .s_ctrl = ov13858_set_ctrl, 1275 }; 1276 1277 static int ov13858_enum_mbus_code(struct v4l2_subdev *sd, 1278 struct v4l2_subdev_pad_config *cfg, 1279 struct v4l2_subdev_mbus_code_enum *code) 1280 { 1281 /* Only one bayer order(GRBG) is supported */ 1282 if (code->index > 0) 1283 return -EINVAL; 1284 1285 code->code = MEDIA_BUS_FMT_SGRBG10_1X10; 1286 1287 return 0; 1288 } 1289 1290 static int ov13858_enum_frame_size(struct v4l2_subdev *sd, 1291 struct v4l2_subdev_pad_config *cfg, 1292 struct v4l2_subdev_frame_size_enum *fse) 1293 { 1294 if (fse->index >= ARRAY_SIZE(supported_modes)) 1295 return -EINVAL; 1296 1297 if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) 1298 return -EINVAL; 1299 1300 fse->min_width = supported_modes[fse->index].width; 1301 fse->max_width = fse->min_width; 1302 fse->min_height = supported_modes[fse->index].height; 1303 fse->max_height = fse->min_height; 1304 1305 return 0; 1306 } 1307 1308 static void ov13858_update_pad_format(const struct ov13858_mode *mode, 1309 struct v4l2_subdev_format *fmt) 1310 { 1311 fmt->format.width = mode->width; 1312 fmt->format.height = mode->height; 1313 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 1314 fmt->format.field = V4L2_FIELD_NONE; 1315 } 1316 1317 static int ov13858_do_get_pad_format(struct ov13858 *ov13858, 1318 struct v4l2_subdev_pad_config *cfg, 1319 struct v4l2_subdev_format *fmt) 1320 { 1321 struct v4l2_mbus_framefmt *framefmt; 1322 struct v4l2_subdev *sd = &ov13858->sd; 1323 1324 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 1325 framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); 1326 fmt->format = *framefmt; 1327 } else { 1328 ov13858_update_pad_format(ov13858->cur_mode, fmt); 1329 } 1330 1331 return 0; 1332 } 1333 1334 static int ov13858_get_pad_format(struct v4l2_subdev *sd, 1335 struct v4l2_subdev_pad_config *cfg, 1336 struct v4l2_subdev_format *fmt) 1337 { 1338 struct ov13858 *ov13858 = to_ov13858(sd); 1339 int ret; 1340 1341 mutex_lock(&ov13858->mutex); 1342 ret = ov13858_do_get_pad_format(ov13858, cfg, fmt); 1343 mutex_unlock(&ov13858->mutex); 1344 1345 return ret; 1346 } 1347 1348 static int 1349 ov13858_set_pad_format(struct v4l2_subdev *sd, 1350 struct v4l2_subdev_pad_config *cfg, 1351 struct v4l2_subdev_format *fmt) 1352 { 1353 struct ov13858 *ov13858 = to_ov13858(sd); 1354 const struct ov13858_mode *mode; 1355 struct v4l2_mbus_framefmt *framefmt; 1356 s32 vblank_def; 1357 s32 vblank_min; 1358 s64 h_blank; 1359 s64 pixel_rate; 1360 s64 link_freq; 1361 1362 mutex_lock(&ov13858->mutex); 1363 1364 /* Only one raw bayer(GRBG) order is supported */ 1365 if (fmt->format.code != MEDIA_BUS_FMT_SGRBG10_1X10) 1366 fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; 1367 1368 mode = v4l2_find_nearest_size(supported_modes, 1369 ARRAY_SIZE(supported_modes), 1370 width, height, 1371 fmt->format.width, fmt->format.height); 1372 ov13858_update_pad_format(mode, fmt); 1373 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { 1374 framefmt = v4l2_subdev_get_try_format(sd, cfg, fmt->pad); 1375 *framefmt = fmt->format; 1376 } else { 1377 ov13858->cur_mode = mode; 1378 __v4l2_ctrl_s_ctrl(ov13858->link_freq, mode->link_freq_index); 1379 link_freq = link_freq_menu_items[mode->link_freq_index]; 1380 pixel_rate = link_freq_to_pixel_rate(link_freq); 1381 __v4l2_ctrl_s_ctrl_int64(ov13858->pixel_rate, pixel_rate); 1382 1383 /* Update limits and set FPS to default */ 1384 vblank_def = ov13858->cur_mode->vts_def - 1385 ov13858->cur_mode->height; 1386 vblank_min = ov13858->cur_mode->vts_min - 1387 ov13858->cur_mode->height; 1388 __v4l2_ctrl_modify_range( 1389 ov13858->vblank, vblank_min, 1390 OV13858_VTS_MAX - ov13858->cur_mode->height, 1, 1391 vblank_def); 1392 __v4l2_ctrl_s_ctrl(ov13858->vblank, vblank_def); 1393 h_blank = 1394 link_freq_configs[mode->link_freq_index].pixels_per_line 1395 - ov13858->cur_mode->width; 1396 __v4l2_ctrl_modify_range(ov13858->hblank, h_blank, 1397 h_blank, 1, h_blank); 1398 } 1399 1400 mutex_unlock(&ov13858->mutex); 1401 1402 return 0; 1403 } 1404 1405 static int ov13858_get_skip_frames(struct v4l2_subdev *sd, u32 *frames) 1406 { 1407 *frames = OV13858_NUM_OF_SKIP_FRAMES; 1408 1409 return 0; 1410 } 1411 1412 /* Start streaming */ 1413 static int ov13858_start_streaming(struct ov13858 *ov13858) 1414 { 1415 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1416 const struct ov13858_reg_list *reg_list; 1417 int ret, link_freq_index; 1418 1419 /* Get out of from software reset */ 1420 ret = ov13858_write_reg(ov13858, OV13858_REG_SOFTWARE_RST, 1421 OV13858_REG_VALUE_08BIT, OV13858_SOFTWARE_RST); 1422 if (ret) { 1423 dev_err(&client->dev, "%s failed to set powerup registers\n", 1424 __func__); 1425 return ret; 1426 } 1427 1428 /* Setup PLL */ 1429 link_freq_index = ov13858->cur_mode->link_freq_index; 1430 reg_list = &link_freq_configs[link_freq_index].reg_list; 1431 ret = ov13858_write_reg_list(ov13858, reg_list); 1432 if (ret) { 1433 dev_err(&client->dev, "%s failed to set plls\n", __func__); 1434 return ret; 1435 } 1436 1437 /* Apply default values of current mode */ 1438 reg_list = &ov13858->cur_mode->reg_list; 1439 ret = ov13858_write_reg_list(ov13858, reg_list); 1440 if (ret) { 1441 dev_err(&client->dev, "%s failed to set mode\n", __func__); 1442 return ret; 1443 } 1444 1445 /* Apply customized values from user */ 1446 ret = __v4l2_ctrl_handler_setup(ov13858->sd.ctrl_handler); 1447 if (ret) 1448 return ret; 1449 1450 return ov13858_write_reg(ov13858, OV13858_REG_MODE_SELECT, 1451 OV13858_REG_VALUE_08BIT, 1452 OV13858_MODE_STREAMING); 1453 } 1454 1455 /* Stop streaming */ 1456 static int ov13858_stop_streaming(struct ov13858 *ov13858) 1457 { 1458 return ov13858_write_reg(ov13858, OV13858_REG_MODE_SELECT, 1459 OV13858_REG_VALUE_08BIT, OV13858_MODE_STANDBY); 1460 } 1461 1462 static int ov13858_set_stream(struct v4l2_subdev *sd, int enable) 1463 { 1464 struct ov13858 *ov13858 = to_ov13858(sd); 1465 struct i2c_client *client = v4l2_get_subdevdata(sd); 1466 int ret = 0; 1467 1468 mutex_lock(&ov13858->mutex); 1469 if (ov13858->streaming == enable) { 1470 mutex_unlock(&ov13858->mutex); 1471 return 0; 1472 } 1473 1474 if (enable) { 1475 ret = pm_runtime_get_sync(&client->dev); 1476 if (ret < 0) { 1477 pm_runtime_put_noidle(&client->dev); 1478 goto err_unlock; 1479 } 1480 1481 /* 1482 * Apply default & customized values 1483 * and then start streaming. 1484 */ 1485 ret = ov13858_start_streaming(ov13858); 1486 if (ret) 1487 goto err_rpm_put; 1488 } else { 1489 ov13858_stop_streaming(ov13858); 1490 pm_runtime_put(&client->dev); 1491 } 1492 1493 ov13858->streaming = enable; 1494 mutex_unlock(&ov13858->mutex); 1495 1496 return ret; 1497 1498 err_rpm_put: 1499 pm_runtime_put(&client->dev); 1500 err_unlock: 1501 mutex_unlock(&ov13858->mutex); 1502 1503 return ret; 1504 } 1505 1506 static int __maybe_unused ov13858_suspend(struct device *dev) 1507 { 1508 struct v4l2_subdev *sd = dev_get_drvdata(dev); 1509 struct ov13858 *ov13858 = to_ov13858(sd); 1510 1511 if (ov13858->streaming) 1512 ov13858_stop_streaming(ov13858); 1513 1514 return 0; 1515 } 1516 1517 static int __maybe_unused ov13858_resume(struct device *dev) 1518 { 1519 struct v4l2_subdev *sd = dev_get_drvdata(dev); 1520 struct ov13858 *ov13858 = to_ov13858(sd); 1521 int ret; 1522 1523 if (ov13858->streaming) { 1524 ret = ov13858_start_streaming(ov13858); 1525 if (ret) 1526 goto error; 1527 } 1528 1529 return 0; 1530 1531 error: 1532 ov13858_stop_streaming(ov13858); 1533 ov13858->streaming = false; 1534 return ret; 1535 } 1536 1537 /* Verify chip ID */ 1538 static int ov13858_identify_module(struct ov13858 *ov13858) 1539 { 1540 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1541 int ret; 1542 u32 val; 1543 1544 ret = ov13858_read_reg(ov13858, OV13858_REG_CHIP_ID, 1545 OV13858_REG_VALUE_24BIT, &val); 1546 if (ret) 1547 return ret; 1548 1549 if (val != OV13858_CHIP_ID) { 1550 dev_err(&client->dev, "chip id mismatch: %x!=%x\n", 1551 OV13858_CHIP_ID, val); 1552 return -EIO; 1553 } 1554 1555 return 0; 1556 } 1557 1558 static const struct v4l2_subdev_video_ops ov13858_video_ops = { 1559 .s_stream = ov13858_set_stream, 1560 }; 1561 1562 static const struct v4l2_subdev_pad_ops ov13858_pad_ops = { 1563 .enum_mbus_code = ov13858_enum_mbus_code, 1564 .get_fmt = ov13858_get_pad_format, 1565 .set_fmt = ov13858_set_pad_format, 1566 .enum_frame_size = ov13858_enum_frame_size, 1567 }; 1568 1569 static const struct v4l2_subdev_sensor_ops ov13858_sensor_ops = { 1570 .g_skip_frames = ov13858_get_skip_frames, 1571 }; 1572 1573 static const struct v4l2_subdev_ops ov13858_subdev_ops = { 1574 .video = &ov13858_video_ops, 1575 .pad = &ov13858_pad_ops, 1576 .sensor = &ov13858_sensor_ops, 1577 }; 1578 1579 static const struct media_entity_operations ov13858_subdev_entity_ops = { 1580 .link_validate = v4l2_subdev_link_validate, 1581 }; 1582 1583 static const struct v4l2_subdev_internal_ops ov13858_internal_ops = { 1584 .open = ov13858_open, 1585 }; 1586 1587 /* Initialize control handlers */ 1588 static int ov13858_init_controls(struct ov13858 *ov13858) 1589 { 1590 struct i2c_client *client = v4l2_get_subdevdata(&ov13858->sd); 1591 struct v4l2_fwnode_device_properties props; 1592 struct v4l2_ctrl_handler *ctrl_hdlr; 1593 s64 exposure_max; 1594 s64 vblank_def; 1595 s64 vblank_min; 1596 s64 hblank; 1597 s64 pixel_rate_min; 1598 s64 pixel_rate_max; 1599 const struct ov13858_mode *mode; 1600 int ret; 1601 1602 ctrl_hdlr = &ov13858->ctrl_handler; 1603 ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); 1604 if (ret) 1605 return ret; 1606 1607 mutex_init(&ov13858->mutex); 1608 ctrl_hdlr->lock = &ov13858->mutex; 1609 ov13858->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, 1610 &ov13858_ctrl_ops, 1611 V4L2_CID_LINK_FREQ, 1612 OV13858_NUM_OF_LINK_FREQS - 1, 1613 0, 1614 link_freq_menu_items); 1615 if (ov13858->link_freq) 1616 ov13858->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; 1617 1618 pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]); 1619 pixel_rate_min = link_freq_to_pixel_rate(link_freq_menu_items[1]); 1620 /* By default, PIXEL_RATE is read only */ 1621 ov13858->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, 1622 V4L2_CID_PIXEL_RATE, 1623 pixel_rate_min, pixel_rate_max, 1624 1, pixel_rate_max); 1625 1626 mode = ov13858->cur_mode; 1627 vblank_def = mode->vts_def - mode->height; 1628 vblank_min = mode->vts_min - mode->height; 1629 ov13858->vblank = v4l2_ctrl_new_std( 1630 ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_VBLANK, 1631 vblank_min, OV13858_VTS_MAX - mode->height, 1, 1632 vblank_def); 1633 1634 hblank = link_freq_configs[mode->link_freq_index].pixels_per_line - 1635 mode->width; 1636 ov13858->hblank = v4l2_ctrl_new_std( 1637 ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_HBLANK, 1638 hblank, hblank, 1, hblank); 1639 if (ov13858->hblank) 1640 ov13858->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; 1641 1642 exposure_max = mode->vts_def - 8; 1643 ov13858->exposure = v4l2_ctrl_new_std( 1644 ctrl_hdlr, &ov13858_ctrl_ops, 1645 V4L2_CID_EXPOSURE, OV13858_EXPOSURE_MIN, 1646 exposure_max, OV13858_EXPOSURE_STEP, 1647 OV13858_EXPOSURE_DEFAULT); 1648 1649 v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, 1650 OV13858_ANA_GAIN_MIN, OV13858_ANA_GAIN_MAX, 1651 OV13858_ANA_GAIN_STEP, OV13858_ANA_GAIN_DEFAULT); 1652 1653 /* Digital gain */ 1654 v4l2_ctrl_new_std(ctrl_hdlr, &ov13858_ctrl_ops, V4L2_CID_DIGITAL_GAIN, 1655 OV13858_DGTL_GAIN_MIN, OV13858_DGTL_GAIN_MAX, 1656 OV13858_DGTL_GAIN_STEP, OV13858_DGTL_GAIN_DEFAULT); 1657 1658 v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov13858_ctrl_ops, 1659 V4L2_CID_TEST_PATTERN, 1660 ARRAY_SIZE(ov13858_test_pattern_menu) - 1, 1661 0, 0, ov13858_test_pattern_menu); 1662 if (ctrl_hdlr->error) { 1663 ret = ctrl_hdlr->error; 1664 dev_err(&client->dev, "%s control init failed (%d)\n", 1665 __func__, ret); 1666 goto error; 1667 } 1668 1669 ret = v4l2_fwnode_device_parse(&client->dev, &props); 1670 if (ret) 1671 goto error; 1672 1673 ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov13858_ctrl_ops, 1674 &props); 1675 if (ret) 1676 goto error; 1677 1678 ov13858->sd.ctrl_handler = ctrl_hdlr; 1679 1680 return 0; 1681 1682 error: 1683 v4l2_ctrl_handler_free(ctrl_hdlr); 1684 mutex_destroy(&ov13858->mutex); 1685 1686 return ret; 1687 } 1688 1689 static void ov13858_free_controls(struct ov13858 *ov13858) 1690 { 1691 v4l2_ctrl_handler_free(ov13858->sd.ctrl_handler); 1692 mutex_destroy(&ov13858->mutex); 1693 } 1694 1695 static int ov13858_probe(struct i2c_client *client, 1696 const struct i2c_device_id *devid) 1697 { 1698 struct ov13858 *ov13858; 1699 int ret; 1700 u32 val = 0; 1701 1702 device_property_read_u32(&client->dev, "clock-frequency", &val); 1703 if (val != 19200000) 1704 return -EINVAL; 1705 1706 ov13858 = devm_kzalloc(&client->dev, sizeof(*ov13858), GFP_KERNEL); 1707 if (!ov13858) 1708 return -ENOMEM; 1709 1710 /* Initialize subdev */ 1711 v4l2_i2c_subdev_init(&ov13858->sd, client, &ov13858_subdev_ops); 1712 1713 /* Check module identity */ 1714 ret = ov13858_identify_module(ov13858); 1715 if (ret) { 1716 dev_err(&client->dev, "failed to find sensor: %d\n", ret); 1717 return ret; 1718 } 1719 1720 /* Set default mode to max resolution */ 1721 ov13858->cur_mode = &supported_modes[0]; 1722 1723 ret = ov13858_init_controls(ov13858); 1724 if (ret) 1725 return ret; 1726 1727 /* Initialize subdev */ 1728 ov13858->sd.internal_ops = &ov13858_internal_ops; 1729 ov13858->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; 1730 ov13858->sd.entity.ops = &ov13858_subdev_entity_ops; 1731 ov13858->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; 1732 1733 /* Initialize source pad */ 1734 ov13858->pad.flags = MEDIA_PAD_FL_SOURCE; 1735 ret = media_entity_pads_init(&ov13858->sd.entity, 1, &ov13858->pad); 1736 if (ret) { 1737 dev_err(&client->dev, "%s failed:%d\n", __func__, ret); 1738 goto error_handler_free; 1739 } 1740 1741 ret = v4l2_async_register_subdev_sensor_common(&ov13858->sd); 1742 if (ret < 0) 1743 goto error_media_entity; 1744 1745 /* 1746 * Device is already turned on by i2c-core with ACPI domain PM. 1747 * Enable runtime PM and turn off the device. 1748 */ 1749 pm_runtime_set_active(&client->dev); 1750 pm_runtime_enable(&client->dev); 1751 pm_runtime_idle(&client->dev); 1752 1753 return 0; 1754 1755 error_media_entity: 1756 media_entity_cleanup(&ov13858->sd.entity); 1757 1758 error_handler_free: 1759 ov13858_free_controls(ov13858); 1760 dev_err(&client->dev, "%s failed:%d\n", __func__, ret); 1761 1762 return ret; 1763 } 1764 1765 static int ov13858_remove(struct i2c_client *client) 1766 { 1767 struct v4l2_subdev *sd = i2c_get_clientdata(client); 1768 struct ov13858 *ov13858 = to_ov13858(sd); 1769 1770 v4l2_async_unregister_subdev(sd); 1771 media_entity_cleanup(&sd->entity); 1772 ov13858_free_controls(ov13858); 1773 1774 pm_runtime_disable(&client->dev); 1775 1776 return 0; 1777 } 1778 1779 static const struct i2c_device_id ov13858_id_table[] = { 1780 {"ov13858", 0}, 1781 {}, 1782 }; 1783 1784 MODULE_DEVICE_TABLE(i2c, ov13858_id_table); 1785 1786 static const struct dev_pm_ops ov13858_pm_ops = { 1787 SET_SYSTEM_SLEEP_PM_OPS(ov13858_suspend, ov13858_resume) 1788 }; 1789 1790 #ifdef CONFIG_ACPI 1791 static const struct acpi_device_id ov13858_acpi_ids[] = { 1792 {"OVTID858"}, 1793 { /* sentinel */ } 1794 }; 1795 1796 MODULE_DEVICE_TABLE(acpi, ov13858_acpi_ids); 1797 #endif 1798 1799 static struct i2c_driver ov13858_i2c_driver = { 1800 .driver = { 1801 .name = "ov13858", 1802 .pm = &ov13858_pm_ops, 1803 .acpi_match_table = ACPI_PTR(ov13858_acpi_ids), 1804 }, 1805 .probe = ov13858_probe, 1806 .remove = ov13858_remove, 1807 .id_table = ov13858_id_table, 1808 }; 1809 1810 module_i2c_driver(ov13858_i2c_driver); 1811 1812 MODULE_AUTHOR("Kan, Chris <chris.kan@intel.com>"); 1813 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>"); 1814 MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>"); 1815 MODULE_DESCRIPTION("Omnivision ov13858 sensor driver"); 1816 MODULE_LICENSE("GPL v2"); 1817