| 1 | /* |
| 2 | * Driver for OV5642 CMOS Image Sensor from Omnivision |
| 3 | * |
| 4 | * Copyright (C) 2011, Bastian Hecht <hechtb@gmail.com> |
| 5 | * |
| 6 | * Based on Sony IMX074 Camera Driver |
| 7 | * Copyright (C) 2010, Guennadi Liakhovetski <g.liakhovetski@gmx.de> |
| 8 | * |
| 9 | * Based on Omnivision OV7670 Camera Driver |
| 10 | * Copyright (C) 2006-7 Jonathan Corbet <corbet@lwn.net> |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or modify |
| 13 | * it under the terms of the GNU General Public License version 2 as |
| 14 | * published by the Free Software Foundation. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/delay.h> |
| 18 | #include <linux/i2c.h> |
| 19 | #include <linux/slab.h> |
| 20 | #include <linux/videodev2.h> |
| 21 | #include <linux/module.h> |
| 22 | |
| 23 | #include <media/soc_camera.h> |
| 24 | #include <media/soc_mediabus.h> |
| 25 | #include <media/v4l2-chip-ident.h> |
| 26 | #include <media/v4l2-subdev.h> |
| 27 | |
| 28 | /* OV5642 registers */ |
| 29 | #define REG_CHIP_ID_HIGH 0x300a |
| 30 | #define REG_CHIP_ID_LOW 0x300b |
| 31 | |
| 32 | #define REG_WINDOW_START_X_HIGH 0x3800 |
| 33 | #define REG_WINDOW_START_X_LOW 0x3801 |
| 34 | #define REG_WINDOW_START_Y_HIGH 0x3802 |
| 35 | #define REG_WINDOW_START_Y_LOW 0x3803 |
| 36 | #define REG_WINDOW_WIDTH_HIGH 0x3804 |
| 37 | #define REG_WINDOW_WIDTH_LOW 0x3805 |
| 38 | #define REG_WINDOW_HEIGHT_HIGH 0x3806 |
| 39 | #define REG_WINDOW_HEIGHT_LOW 0x3807 |
| 40 | #define REG_OUT_WIDTH_HIGH 0x3808 |
| 41 | #define REG_OUT_WIDTH_LOW 0x3809 |
| 42 | #define REG_OUT_HEIGHT_HIGH 0x380a |
| 43 | #define REG_OUT_HEIGHT_LOW 0x380b |
| 44 | #define REG_OUT_TOTAL_WIDTH_HIGH 0x380c |
| 45 | #define REG_OUT_TOTAL_WIDTH_LOW 0x380d |
| 46 | #define REG_OUT_TOTAL_HEIGHT_HIGH 0x380e |
| 47 | #define REG_OUT_TOTAL_HEIGHT_LOW 0x380f |
| 48 | |
| 49 | /* |
| 50 | * define standard resolution. |
| 51 | * Works currently only for up to 720 lines |
| 52 | * eg. 320x240, 640x480, 800x600, 1280x720, 2048x720 |
| 53 | */ |
| 54 | |
| 55 | #define OV5642_WIDTH 1280 |
| 56 | #define OV5642_HEIGHT 720 |
| 57 | #define OV5642_TOTAL_WIDTH 3200 |
| 58 | #define OV5642_TOTAL_HEIGHT 2000 |
| 59 | #define OV5642_SENSOR_SIZE_X 2592 |
| 60 | #define OV5642_SENSOR_SIZE_Y 1944 |
| 61 | |
| 62 | struct regval_list { |
| 63 | u16 reg_num; |
| 64 | u8 value; |
| 65 | }; |
| 66 | |
| 67 | static struct regval_list ov5642_default_regs_init[] = { |
| 68 | { 0x3103, 0x93 }, |
| 69 | { 0x3008, 0x82 }, |
| 70 | { 0x3017, 0x7f }, |
| 71 | { 0x3018, 0xfc }, |
| 72 | { 0x3810, 0xc2 }, |
| 73 | { 0x3615, 0xf0 }, |
| 74 | { 0x3000, 0x0 }, |
| 75 | { 0x3001, 0x0 }, |
| 76 | { 0x3002, 0x0 }, |
| 77 | { 0x3003, 0x0 }, |
| 78 | { 0x3004, 0xff }, |
| 79 | { 0x3030, 0x2b }, |
| 80 | { 0x3011, 0x8 }, |
| 81 | { 0x3010, 0x10 }, |
| 82 | { 0x3604, 0x60 }, |
| 83 | { 0x3622, 0x60 }, |
| 84 | { 0x3621, 0x9 }, |
| 85 | { 0x3709, 0x0 }, |
| 86 | { 0x4000, 0x21 }, |
| 87 | { 0x401d, 0x22 }, |
| 88 | { 0x3600, 0x54 }, |
| 89 | { 0x3605, 0x4 }, |
| 90 | { 0x3606, 0x3f }, |
| 91 | { 0x3c01, 0x80 }, |
| 92 | { 0x300d, 0x22 }, |
| 93 | { 0x3623, 0x22 }, |
| 94 | { 0x5000, 0x4f }, |
| 95 | { 0x5020, 0x4 }, |
| 96 | { 0x5181, 0x79 }, |
| 97 | { 0x5182, 0x0 }, |
| 98 | { 0x5185, 0x22 }, |
| 99 | { 0x5197, 0x1 }, |
| 100 | { 0x5500, 0xa }, |
| 101 | { 0x5504, 0x0 }, |
| 102 | { 0x5505, 0x7f }, |
| 103 | { 0x5080, 0x8 }, |
| 104 | { 0x300e, 0x18 }, |
| 105 | { 0x4610, 0x0 }, |
| 106 | { 0x471d, 0x5 }, |
| 107 | { 0x4708, 0x6 }, |
| 108 | { 0x370c, 0xa0 }, |
| 109 | { 0x5687, 0x94 }, |
| 110 | { 0x501f, 0x0 }, |
| 111 | { 0x5000, 0x4f }, |
| 112 | { 0x5001, 0xcf }, |
| 113 | { 0x4300, 0x30 }, |
| 114 | { 0x4300, 0x30 }, |
| 115 | { 0x460b, 0x35 }, |
| 116 | { 0x471d, 0x0 }, |
| 117 | { 0x3002, 0xc }, |
| 118 | { 0x3002, 0x0 }, |
| 119 | { 0x4713, 0x3 }, |
| 120 | { 0x471c, 0x50 }, |
| 121 | { 0x4721, 0x2 }, |
| 122 | { 0x4402, 0x90 }, |
| 123 | { 0x460c, 0x22 }, |
| 124 | { 0x3815, 0x44 }, |
| 125 | { 0x3503, 0x7 }, |
| 126 | { 0x3501, 0x73 }, |
| 127 | { 0x3502, 0x80 }, |
| 128 | { 0x350b, 0x0 }, |
| 129 | { 0x3818, 0xc8 }, |
| 130 | { 0x3824, 0x11 }, |
| 131 | { 0x3a00, 0x78 }, |
| 132 | { 0x3a1a, 0x4 }, |
| 133 | { 0x3a13, 0x30 }, |
| 134 | { 0x3a18, 0x0 }, |
| 135 | { 0x3a19, 0x7c }, |
| 136 | { 0x3a08, 0x12 }, |
| 137 | { 0x3a09, 0xc0 }, |
| 138 | { 0x3a0a, 0xf }, |
| 139 | { 0x3a0b, 0xa0 }, |
| 140 | { 0x350c, 0x7 }, |
| 141 | { 0x350d, 0xd0 }, |
| 142 | { 0x3a0d, 0x8 }, |
| 143 | { 0x3a0e, 0x6 }, |
| 144 | { 0x3500, 0x0 }, |
| 145 | { 0x3501, 0x0 }, |
| 146 | { 0x3502, 0x0 }, |
| 147 | { 0x350a, 0x0 }, |
| 148 | { 0x350b, 0x0 }, |
| 149 | { 0x3503, 0x0 }, |
| 150 | { 0x3a0f, 0x3c }, |
| 151 | { 0x3a10, 0x32 }, |
| 152 | { 0x3a1b, 0x3c }, |
| 153 | { 0x3a1e, 0x32 }, |
| 154 | { 0x3a11, 0x80 }, |
| 155 | { 0x3a1f, 0x20 }, |
| 156 | { 0x3030, 0x2b }, |
| 157 | { 0x3a02, 0x0 }, |
| 158 | { 0x3a03, 0x7d }, |
| 159 | { 0x3a04, 0x0 }, |
| 160 | { 0x3a14, 0x0 }, |
| 161 | { 0x3a15, 0x7d }, |
| 162 | { 0x3a16, 0x0 }, |
| 163 | { 0x3a00, 0x78 }, |
| 164 | { 0x3a08, 0x9 }, |
| 165 | { 0x3a09, 0x60 }, |
| 166 | { 0x3a0a, 0x7 }, |
| 167 | { 0x3a0b, 0xd0 }, |
| 168 | { 0x3a0d, 0x10 }, |
| 169 | { 0x3a0e, 0xd }, |
| 170 | { 0x4407, 0x4 }, |
| 171 | { 0x5193, 0x70 }, |
| 172 | { 0x589b, 0x0 }, |
| 173 | { 0x589a, 0xc0 }, |
| 174 | { 0x401e, 0x20 }, |
| 175 | { 0x4001, 0x42 }, |
| 176 | { 0x401c, 0x6 }, |
| 177 | { 0x3825, 0xac }, |
| 178 | { 0x3827, 0xc }, |
| 179 | { 0x528a, 0x1 }, |
| 180 | { 0x528b, 0x4 }, |
| 181 | { 0x528c, 0x8 }, |
| 182 | { 0x528d, 0x10 }, |
| 183 | { 0x528e, 0x20 }, |
| 184 | { 0x528f, 0x28 }, |
| 185 | { 0x5290, 0x30 }, |
| 186 | { 0x5292, 0x0 }, |
| 187 | { 0x5293, 0x1 }, |
| 188 | { 0x5294, 0x0 }, |
| 189 | { 0x5295, 0x4 }, |
| 190 | { 0x5296, 0x0 }, |
| 191 | { 0x5297, 0x8 }, |
| 192 | { 0x5298, 0x0 }, |
| 193 | { 0x5299, 0x10 }, |
| 194 | { 0x529a, 0x0 }, |
| 195 | { 0x529b, 0x20 }, |
| 196 | { 0x529c, 0x0 }, |
| 197 | { 0x529d, 0x28 }, |
| 198 | { 0x529e, 0x0 }, |
| 199 | { 0x529f, 0x30 }, |
| 200 | { 0x5282, 0x0 }, |
| 201 | { 0x5300, 0x0 }, |
| 202 | { 0x5301, 0x20 }, |
| 203 | { 0x5302, 0x0 }, |
| 204 | { 0x5303, 0x7c }, |
| 205 | { 0x530c, 0x0 }, |
| 206 | { 0x530d, 0xc }, |
| 207 | { 0x530e, 0x20 }, |
| 208 | { 0x530f, 0x80 }, |
| 209 | { 0x5310, 0x20 }, |
| 210 | { 0x5311, 0x80 }, |
| 211 | { 0x5308, 0x20 }, |
| 212 | { 0x5309, 0x40 }, |
| 213 | { 0x5304, 0x0 }, |
| 214 | { 0x5305, 0x30 }, |
| 215 | { 0x5306, 0x0 }, |
| 216 | { 0x5307, 0x80 }, |
| 217 | { 0x5314, 0x8 }, |
| 218 | { 0x5315, 0x20 }, |
| 219 | { 0x5319, 0x30 }, |
| 220 | { 0x5316, 0x10 }, |
| 221 | { 0x5317, 0x0 }, |
| 222 | { 0x5318, 0x2 }, |
| 223 | { 0x5380, 0x1 }, |
| 224 | { 0x5381, 0x0 }, |
| 225 | { 0x5382, 0x0 }, |
| 226 | { 0x5383, 0x4e }, |
| 227 | { 0x5384, 0x0 }, |
| 228 | { 0x5385, 0xf }, |
| 229 | { 0x5386, 0x0 }, |
| 230 | { 0x5387, 0x0 }, |
| 231 | { 0x5388, 0x1 }, |
| 232 | { 0x5389, 0x15 }, |
| 233 | { 0x538a, 0x0 }, |
| 234 | { 0x538b, 0x31 }, |
| 235 | { 0x538c, 0x0 }, |
| 236 | { 0x538d, 0x0 }, |
| 237 | { 0x538e, 0x0 }, |
| 238 | { 0x538f, 0xf }, |
| 239 | { 0x5390, 0x0 }, |
| 240 | { 0x5391, 0xab }, |
| 241 | { 0x5392, 0x0 }, |
| 242 | { 0x5393, 0xa2 }, |
| 243 | { 0x5394, 0x8 }, |
| 244 | { 0x5480, 0x14 }, |
| 245 | { 0x5481, 0x21 }, |
| 246 | { 0x5482, 0x36 }, |
| 247 | { 0x5483, 0x57 }, |
| 248 | { 0x5484, 0x65 }, |
| 249 | { 0x5485, 0x71 }, |
| 250 | { 0x5486, 0x7d }, |
| 251 | { 0x5487, 0x87 }, |
| 252 | { 0x5488, 0x91 }, |
| 253 | { 0x5489, 0x9a }, |
| 254 | { 0x548a, 0xaa }, |
| 255 | { 0x548b, 0xb8 }, |
| 256 | { 0x548c, 0xcd }, |
| 257 | { 0x548d, 0xdd }, |
| 258 | { 0x548e, 0xea }, |
| 259 | { 0x548f, 0x1d }, |
| 260 | { 0x5490, 0x5 }, |
| 261 | { 0x5491, 0x0 }, |
| 262 | { 0x5492, 0x4 }, |
| 263 | { 0x5493, 0x20 }, |
| 264 | { 0x5494, 0x3 }, |
| 265 | { 0x5495, 0x60 }, |
| 266 | { 0x5496, 0x2 }, |
| 267 | { 0x5497, 0xb8 }, |
| 268 | { 0x5498, 0x2 }, |
| 269 | { 0x5499, 0x86 }, |
| 270 | { 0x549a, 0x2 }, |
| 271 | { 0x549b, 0x5b }, |
| 272 | { 0x549c, 0x2 }, |
| 273 | { 0x549d, 0x3b }, |
| 274 | { 0x549e, 0x2 }, |
| 275 | { 0x549f, 0x1c }, |
| 276 | { 0x54a0, 0x2 }, |
| 277 | { 0x54a1, 0x4 }, |
| 278 | { 0x54a2, 0x1 }, |
| 279 | { 0x54a3, 0xed }, |
| 280 | { 0x54a4, 0x1 }, |
| 281 | { 0x54a5, 0xc5 }, |
| 282 | { 0x54a6, 0x1 }, |
| 283 | { 0x54a7, 0xa5 }, |
| 284 | { 0x54a8, 0x1 }, |
| 285 | { 0x54a9, 0x6c }, |
| 286 | { 0x54aa, 0x1 }, |
| 287 | { 0x54ab, 0x41 }, |
| 288 | { 0x54ac, 0x1 }, |
| 289 | { 0x54ad, 0x20 }, |
| 290 | { 0x54ae, 0x0 }, |
| 291 | { 0x54af, 0x16 }, |
| 292 | { 0x54b0, 0x1 }, |
| 293 | { 0x54b1, 0x20 }, |
| 294 | { 0x54b2, 0x0 }, |
| 295 | { 0x54b3, 0x10 }, |
| 296 | { 0x54b4, 0x0 }, |
| 297 | { 0x54b5, 0xf0 }, |
| 298 | { 0x54b6, 0x0 }, |
| 299 | { 0x54b7, 0xdf }, |
| 300 | { 0x5402, 0x3f }, |
| 301 | { 0x5403, 0x0 }, |
| 302 | { 0x3406, 0x0 }, |
| 303 | { 0x5180, 0xff }, |
| 304 | { 0x5181, 0x52 }, |
| 305 | { 0x5182, 0x11 }, |
| 306 | { 0x5183, 0x14 }, |
| 307 | { 0x5184, 0x25 }, |
| 308 | { 0x5185, 0x24 }, |
| 309 | { 0x5186, 0x6 }, |
| 310 | { 0x5187, 0x8 }, |
| 311 | { 0x5188, 0x8 }, |
| 312 | { 0x5189, 0x7c }, |
| 313 | { 0x518a, 0x60 }, |
| 314 | { 0x518b, 0xb2 }, |
| 315 | { 0x518c, 0xb2 }, |
| 316 | { 0x518d, 0x44 }, |
| 317 | { 0x518e, 0x3d }, |
| 318 | { 0x518f, 0x58 }, |
| 319 | { 0x5190, 0x46 }, |
| 320 | { 0x5191, 0xf8 }, |
| 321 | { 0x5192, 0x4 }, |
| 322 | { 0x5193, 0x70 }, |
| 323 | { 0x5194, 0xf0 }, |
| 324 | { 0x5195, 0xf0 }, |
| 325 | { 0x5196, 0x3 }, |
| 326 | { 0x5197, 0x1 }, |
| 327 | { 0x5198, 0x4 }, |
| 328 | { 0x5199, 0x12 }, |
| 329 | { 0x519a, 0x4 }, |
| 330 | { 0x519b, 0x0 }, |
| 331 | { 0x519c, 0x6 }, |
| 332 | { 0x519d, 0x82 }, |
| 333 | { 0x519e, 0x0 }, |
| 334 | { 0x5025, 0x80 }, |
| 335 | { 0x3a0f, 0x38 }, |
| 336 | { 0x3a10, 0x30 }, |
| 337 | { 0x3a1b, 0x3a }, |
| 338 | { 0x3a1e, 0x2e }, |
| 339 | { 0x3a11, 0x60 }, |
| 340 | { 0x3a1f, 0x10 }, |
| 341 | { 0x5688, 0xa6 }, |
| 342 | { 0x5689, 0x6a }, |
| 343 | { 0x568a, 0xea }, |
| 344 | { 0x568b, 0xae }, |
| 345 | { 0x568c, 0xa6 }, |
| 346 | { 0x568d, 0x6a }, |
| 347 | { 0x568e, 0x62 }, |
| 348 | { 0x568f, 0x26 }, |
| 349 | { 0x5583, 0x40 }, |
| 350 | { 0x5584, 0x40 }, |
| 351 | { 0x5580, 0x2 }, |
| 352 | { 0x5000, 0xcf }, |
| 353 | { 0x5800, 0x27 }, |
| 354 | { 0x5801, 0x19 }, |
| 355 | { 0x5802, 0x12 }, |
| 356 | { 0x5803, 0xf }, |
| 357 | { 0x5804, 0x10 }, |
| 358 | { 0x5805, 0x15 }, |
| 359 | { 0x5806, 0x1e }, |
| 360 | { 0x5807, 0x2f }, |
| 361 | { 0x5808, 0x15 }, |
| 362 | { 0x5809, 0xd }, |
| 363 | { 0x580a, 0xa }, |
| 364 | { 0x580b, 0x9 }, |
| 365 | { 0x580c, 0xa }, |
| 366 | { 0x580d, 0xc }, |
| 367 | { 0x580e, 0x12 }, |
| 368 | { 0x580f, 0x19 }, |
| 369 | { 0x5810, 0xb }, |
| 370 | { 0x5811, 0x7 }, |
| 371 | { 0x5812, 0x4 }, |
| 372 | { 0x5813, 0x3 }, |
| 373 | { 0x5814, 0x3 }, |
| 374 | { 0x5815, 0x6 }, |
| 375 | { 0x5816, 0xa }, |
| 376 | { 0x5817, 0xf }, |
| 377 | { 0x5818, 0xa }, |
| 378 | { 0x5819, 0x5 }, |
| 379 | { 0x581a, 0x1 }, |
| 380 | { 0x581b, 0x0 }, |
| 381 | { 0x581c, 0x0 }, |
| 382 | { 0x581d, 0x3 }, |
| 383 | { 0x581e, 0x8 }, |
| 384 | { 0x581f, 0xc }, |
| 385 | { 0x5820, 0xa }, |
| 386 | { 0x5821, 0x5 }, |
| 387 | { 0x5822, 0x1 }, |
| 388 | { 0x5823, 0x0 }, |
| 389 | { 0x5824, 0x0 }, |
| 390 | { 0x5825, 0x3 }, |
| 391 | { 0x5826, 0x8 }, |
| 392 | { 0x5827, 0xc }, |
| 393 | { 0x5828, 0xe }, |
| 394 | { 0x5829, 0x8 }, |
| 395 | { 0x582a, 0x6 }, |
| 396 | { 0x582b, 0x4 }, |
| 397 | { 0x582c, 0x5 }, |
| 398 | { 0x582d, 0x7 }, |
| 399 | { 0x582e, 0xb }, |
| 400 | { 0x582f, 0x12 }, |
| 401 | { 0x5830, 0x18 }, |
| 402 | { 0x5831, 0x10 }, |
| 403 | { 0x5832, 0xc }, |
| 404 | { 0x5833, 0xa }, |
| 405 | { 0x5834, 0xb }, |
| 406 | { 0x5835, 0xe }, |
| 407 | { 0x5836, 0x15 }, |
| 408 | { 0x5837, 0x19 }, |
| 409 | { 0x5838, 0x32 }, |
| 410 | { 0x5839, 0x1f }, |
| 411 | { 0x583a, 0x18 }, |
| 412 | { 0x583b, 0x16 }, |
| 413 | { 0x583c, 0x17 }, |
| 414 | { 0x583d, 0x1e }, |
| 415 | { 0x583e, 0x26 }, |
| 416 | { 0x583f, 0x53 }, |
| 417 | { 0x5840, 0x10 }, |
| 418 | { 0x5841, 0xf }, |
| 419 | { 0x5842, 0xd }, |
| 420 | { 0x5843, 0xc }, |
| 421 | { 0x5844, 0xe }, |
| 422 | { 0x5845, 0x9 }, |
| 423 | { 0x5846, 0x11 }, |
| 424 | { 0x5847, 0x10 }, |
| 425 | { 0x5848, 0x10 }, |
| 426 | { 0x5849, 0x10 }, |
| 427 | { 0x584a, 0x10 }, |
| 428 | { 0x584b, 0xe }, |
| 429 | { 0x584c, 0x10 }, |
| 430 | { 0x584d, 0x10 }, |
| 431 | { 0x584e, 0x11 }, |
| 432 | { 0x584f, 0x10 }, |
| 433 | { 0x5850, 0xf }, |
| 434 | { 0x5851, 0xc }, |
| 435 | { 0x5852, 0xf }, |
| 436 | { 0x5853, 0x10 }, |
| 437 | { 0x5854, 0x10 }, |
| 438 | { 0x5855, 0xf }, |
| 439 | { 0x5856, 0xe }, |
| 440 | { 0x5857, 0xb }, |
| 441 | { 0x5858, 0x10 }, |
| 442 | { 0x5859, 0xd }, |
| 443 | { 0x585a, 0xd }, |
| 444 | { 0x585b, 0xc }, |
| 445 | { 0x585c, 0xc }, |
| 446 | { 0x585d, 0xc }, |
| 447 | { 0x585e, 0xb }, |
| 448 | { 0x585f, 0xc }, |
| 449 | { 0x5860, 0xc }, |
| 450 | { 0x5861, 0xc }, |
| 451 | { 0x5862, 0xd }, |
| 452 | { 0x5863, 0x8 }, |
| 453 | { 0x5864, 0x11 }, |
| 454 | { 0x5865, 0x18 }, |
| 455 | { 0x5866, 0x18 }, |
| 456 | { 0x5867, 0x19 }, |
| 457 | { 0x5868, 0x17 }, |
| 458 | { 0x5869, 0x19 }, |
| 459 | { 0x586a, 0x16 }, |
| 460 | { 0x586b, 0x13 }, |
| 461 | { 0x586c, 0x13 }, |
| 462 | { 0x586d, 0x12 }, |
| 463 | { 0x586e, 0x13 }, |
| 464 | { 0x586f, 0x16 }, |
| 465 | { 0x5870, 0x14 }, |
| 466 | { 0x5871, 0x12 }, |
| 467 | { 0x5872, 0x10 }, |
| 468 | { 0x5873, 0x11 }, |
| 469 | { 0x5874, 0x11 }, |
| 470 | { 0x5875, 0x16 }, |
| 471 | { 0x5876, 0x14 }, |
| 472 | { 0x5877, 0x11 }, |
| 473 | { 0x5878, 0x10 }, |
| 474 | { 0x5879, 0xf }, |
| 475 | { 0x587a, 0x10 }, |
| 476 | { 0x587b, 0x14 }, |
| 477 | { 0x587c, 0x13 }, |
| 478 | { 0x587d, 0x12 }, |
| 479 | { 0x587e, 0x11 }, |
| 480 | { 0x587f, 0x11 }, |
| 481 | { 0x5880, 0x12 }, |
| 482 | { 0x5881, 0x15 }, |
| 483 | { 0x5882, 0x14 }, |
| 484 | { 0x5883, 0x15 }, |
| 485 | { 0x5884, 0x15 }, |
| 486 | { 0x5885, 0x15 }, |
| 487 | { 0x5886, 0x13 }, |
| 488 | { 0x5887, 0x17 }, |
| 489 | { 0x3710, 0x10 }, |
| 490 | { 0x3632, 0x51 }, |
| 491 | { 0x3702, 0x10 }, |
| 492 | { 0x3703, 0xb2 }, |
| 493 | { 0x3704, 0x18 }, |
| 494 | { 0x370b, 0x40 }, |
| 495 | { 0x370d, 0x3 }, |
| 496 | { 0x3631, 0x1 }, |
| 497 | { 0x3632, 0x52 }, |
| 498 | { 0x3606, 0x24 }, |
| 499 | { 0x3620, 0x96 }, |
| 500 | { 0x5785, 0x7 }, |
| 501 | { 0x3a13, 0x30 }, |
| 502 | { 0x3600, 0x52 }, |
| 503 | { 0x3604, 0x48 }, |
| 504 | { 0x3606, 0x1b }, |
| 505 | { 0x370d, 0xb }, |
| 506 | { 0x370f, 0xc0 }, |
| 507 | { 0x3709, 0x1 }, |
| 508 | { 0x3823, 0x0 }, |
| 509 | { 0x5007, 0x0 }, |
| 510 | { 0x5009, 0x0 }, |
| 511 | { 0x5011, 0x0 }, |
| 512 | { 0x5013, 0x0 }, |
| 513 | { 0x519e, 0x0 }, |
| 514 | { 0x5086, 0x0 }, |
| 515 | { 0x5087, 0x0 }, |
| 516 | { 0x5088, 0x0 }, |
| 517 | { 0x5089, 0x0 }, |
| 518 | { 0x302b, 0x0 }, |
| 519 | { 0x3503, 0x7 }, |
| 520 | { 0x3011, 0x8 }, |
| 521 | { 0x350c, 0x2 }, |
| 522 | { 0x350d, 0xe4 }, |
| 523 | { 0x3621, 0xc9 }, |
| 524 | { 0x370a, 0x81 }, |
| 525 | { 0xffff, 0xff }, |
| 526 | }; |
| 527 | |
| 528 | static struct regval_list ov5642_default_regs_finalise[] = { |
| 529 | { 0x3810, 0xc2 }, |
| 530 | { 0x3818, 0xc9 }, |
| 531 | { 0x381c, 0x10 }, |
| 532 | { 0x381d, 0xa0 }, |
| 533 | { 0x381e, 0x5 }, |
| 534 | { 0x381f, 0xb0 }, |
| 535 | { 0x3820, 0x0 }, |
| 536 | { 0x3821, 0x0 }, |
| 537 | { 0x3824, 0x11 }, |
| 538 | { 0x3a08, 0x1b }, |
| 539 | { 0x3a09, 0xc0 }, |
| 540 | { 0x3a0a, 0x17 }, |
| 541 | { 0x3a0b, 0x20 }, |
| 542 | { 0x3a0d, 0x2 }, |
| 543 | { 0x3a0e, 0x1 }, |
| 544 | { 0x401c, 0x4 }, |
| 545 | { 0x5682, 0x5 }, |
| 546 | { 0x5683, 0x0 }, |
| 547 | { 0x5686, 0x2 }, |
| 548 | { 0x5687, 0xcc }, |
| 549 | { 0x5001, 0x4f }, |
| 550 | { 0x589b, 0x6 }, |
| 551 | { 0x589a, 0xc5 }, |
| 552 | { 0x3503, 0x0 }, |
| 553 | { 0x460c, 0x20 }, |
| 554 | { 0x460b, 0x37 }, |
| 555 | { 0x471c, 0xd0 }, |
| 556 | { 0x471d, 0x5 }, |
| 557 | { 0x3815, 0x1 }, |
| 558 | { 0x3818, 0xc1 }, |
| 559 | { 0x501f, 0x0 }, |
| 560 | { 0x5002, 0xe0 }, |
| 561 | { 0x4300, 0x32 }, /* UYVY */ |
| 562 | { 0x3002, 0x1c }, |
| 563 | { 0x4800, 0x14 }, |
| 564 | { 0x4801, 0xf }, |
| 565 | { 0x3007, 0x3b }, |
| 566 | { 0x300e, 0x4 }, |
| 567 | { 0x4803, 0x50 }, |
| 568 | { 0x3815, 0x1 }, |
| 569 | { 0x4713, 0x2 }, |
| 570 | { 0x4842, 0x1 }, |
| 571 | { 0x300f, 0xe }, |
| 572 | { 0x3003, 0x3 }, |
| 573 | { 0x3003, 0x1 }, |
| 574 | { 0xffff, 0xff }, |
| 575 | }; |
| 576 | |
| 577 | struct ov5642_datafmt { |
| 578 | enum v4l2_mbus_pixelcode code; |
| 579 | enum v4l2_colorspace colorspace; |
| 580 | }; |
| 581 | |
| 582 | struct ov5642 { |
| 583 | struct v4l2_subdev subdev; |
| 584 | const struct ov5642_datafmt *fmt; |
| 585 | }; |
| 586 | |
| 587 | static const struct ov5642_datafmt ov5642_colour_fmts[] = { |
| 588 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, |
| 589 | }; |
| 590 | |
| 591 | static struct ov5642 *to_ov5642(const struct i2c_client *client) |
| 592 | { |
| 593 | return container_of(i2c_get_clientdata(client), struct ov5642, subdev); |
| 594 | } |
| 595 | |
| 596 | /* Find a data format by a pixel code in an array */ |
| 597 | static const struct ov5642_datafmt |
| 598 | *ov5642_find_datafmt(enum v4l2_mbus_pixelcode code) |
| 599 | { |
| 600 | int i; |
| 601 | |
| 602 | for (i = 0; i < ARRAY_SIZE(ov5642_colour_fmts); i++) |
| 603 | if (ov5642_colour_fmts[i].code == code) |
| 604 | return ov5642_colour_fmts + i; |
| 605 | |
| 606 | return NULL; |
| 607 | } |
| 608 | |
| 609 | static int reg_read(struct i2c_client *client, u16 reg, u8 *val) |
| 610 | { |
| 611 | int ret; |
| 612 | /* We have 16-bit i2c addresses - care for endianess */ |
| 613 | unsigned char data[2] = { reg >> 8, reg & 0xff }; |
| 614 | |
| 615 | ret = i2c_master_send(client, data, 2); |
| 616 | if (ret < 2) { |
| 617 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", |
| 618 | __func__, reg); |
| 619 | return ret < 0 ? ret : -EIO; |
| 620 | } |
| 621 | |
| 622 | ret = i2c_master_recv(client, val, 1); |
| 623 | if (ret < 1) { |
| 624 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", |
| 625 | __func__, reg); |
| 626 | return ret < 0 ? ret : -EIO; |
| 627 | } |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | static int reg_write(struct i2c_client *client, u16 reg, u8 val) |
| 632 | { |
| 633 | int ret; |
| 634 | unsigned char data[3] = { reg >> 8, reg & 0xff, val }; |
| 635 | |
| 636 | ret = i2c_master_send(client, data, 3); |
| 637 | if (ret < 3) { |
| 638 | dev_err(&client->dev, "%s: i2c write error, reg: %x\n", |
| 639 | __func__, reg); |
| 640 | return ret < 0 ? ret : -EIO; |
| 641 | } |
| 642 | |
| 643 | return 0; |
| 644 | } |
| 645 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 646 | static int ov5642_get_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
| 647 | { |
| 648 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 649 | int ret; |
| 650 | u8 val; |
| 651 | |
| 652 | if (reg->reg & ~0xffff) |
| 653 | return -EINVAL; |
| 654 | |
| 655 | reg->size = 1; |
| 656 | |
| 657 | ret = reg_read(client, reg->reg, &val); |
| 658 | if (!ret) |
| 659 | reg->val = (__u64)val; |
| 660 | |
| 661 | return ret; |
| 662 | } |
| 663 | |
| 664 | static int ov5642_set_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
| 665 | { |
| 666 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 667 | |
| 668 | if (reg->reg & ~0xffff || reg->val & ~0xff) |
| 669 | return -EINVAL; |
| 670 | |
| 671 | return reg_write(client, reg->reg, reg->val); |
| 672 | } |
| 673 | #endif |
| 674 | |
| 675 | static int ov5642_write_array(struct i2c_client *client, |
| 676 | struct regval_list *vals) |
| 677 | { |
| 678 | while (vals->reg_num != 0xffff || vals->value != 0xff) { |
| 679 | int ret = reg_write(client, vals->reg_num, vals->value); |
| 680 | if (ret < 0) |
| 681 | return ret; |
| 682 | vals++; |
| 683 | } |
| 684 | dev_dbg(&client->dev, "Register list loaded\n"); |
| 685 | return 0; |
| 686 | } |
| 687 | |
| 688 | static int ov5642_set_resolution(struct i2c_client *client) |
| 689 | { |
| 690 | int ret; |
| 691 | u8 start_x_high = ((OV5642_SENSOR_SIZE_X - OV5642_WIDTH) / 2) >> 8; |
| 692 | u8 start_x_low = ((OV5642_SENSOR_SIZE_X - OV5642_WIDTH) / 2) & 0xff; |
| 693 | u8 start_y_high = ((OV5642_SENSOR_SIZE_Y - OV5642_HEIGHT) / 2) >> 8; |
| 694 | u8 start_y_low = ((OV5642_SENSOR_SIZE_Y - OV5642_HEIGHT) / 2) & 0xff; |
| 695 | |
| 696 | u8 width_high = OV5642_WIDTH >> 8; |
| 697 | u8 width_low = OV5642_WIDTH & 0xff; |
| 698 | u8 height_high = OV5642_HEIGHT >> 8; |
| 699 | u8 height_low = OV5642_HEIGHT & 0xff; |
| 700 | |
| 701 | u8 total_width_high = OV5642_TOTAL_WIDTH >> 8; |
| 702 | u8 total_width_low = OV5642_TOTAL_WIDTH & 0xff; |
| 703 | u8 total_height_high = OV5642_TOTAL_HEIGHT >> 8; |
| 704 | u8 total_height_low = OV5642_TOTAL_HEIGHT & 0xff; |
| 705 | |
| 706 | ret = reg_write(client, REG_WINDOW_START_X_HIGH, start_x_high); |
| 707 | if (!ret) |
| 708 | ret = reg_write(client, REG_WINDOW_START_X_LOW, start_x_low); |
| 709 | if (!ret) |
| 710 | ret = reg_write(client, REG_WINDOW_START_Y_HIGH, start_y_high); |
| 711 | if (!ret) |
| 712 | ret = reg_write(client, REG_WINDOW_START_Y_LOW, start_y_low); |
| 713 | |
| 714 | if (!ret) |
| 715 | ret = reg_write(client, REG_WINDOW_WIDTH_HIGH, width_high); |
| 716 | if (!ret) |
| 717 | ret = reg_write(client, REG_WINDOW_WIDTH_LOW , width_low); |
| 718 | if (!ret) |
| 719 | ret = reg_write(client, REG_WINDOW_HEIGHT_HIGH, height_high); |
| 720 | if (!ret) |
| 721 | ret = reg_write(client, REG_WINDOW_HEIGHT_LOW, height_low); |
| 722 | |
| 723 | if (!ret) |
| 724 | ret = reg_write(client, REG_OUT_WIDTH_HIGH, width_high); |
| 725 | if (!ret) |
| 726 | ret = reg_write(client, REG_OUT_WIDTH_LOW , width_low); |
| 727 | if (!ret) |
| 728 | ret = reg_write(client, REG_OUT_HEIGHT_HIGH, height_high); |
| 729 | if (!ret) |
| 730 | ret = reg_write(client, REG_OUT_HEIGHT_LOW, height_low); |
| 731 | |
| 732 | if (!ret) |
| 733 | ret = reg_write(client, REG_OUT_TOTAL_WIDTH_HIGH, total_width_high); |
| 734 | if (!ret) |
| 735 | ret = reg_write(client, REG_OUT_TOTAL_WIDTH_LOW, total_width_low); |
| 736 | if (!ret) |
| 737 | ret = reg_write(client, REG_OUT_TOTAL_HEIGHT_HIGH, total_height_high); |
| 738 | if (!ret) |
| 739 | ret = reg_write(client, REG_OUT_TOTAL_HEIGHT_LOW, total_height_low); |
| 740 | |
| 741 | return ret; |
| 742 | } |
| 743 | |
| 744 | static int ov5642_try_fmt(struct v4l2_subdev *sd, |
| 745 | struct v4l2_mbus_framefmt *mf) |
| 746 | { |
| 747 | const struct ov5642_datafmt *fmt = ov5642_find_datafmt(mf->code); |
| 748 | |
| 749 | dev_dbg(sd->v4l2_dev->dev, "%s(%u) width: %u heigth: %u\n", |
| 750 | __func__, mf->code, mf->width, mf->height); |
| 751 | |
| 752 | if (!fmt) { |
| 753 | mf->code = ov5642_colour_fmts[0].code; |
| 754 | mf->colorspace = ov5642_colour_fmts[0].colorspace; |
| 755 | } |
| 756 | |
| 757 | mf->width = OV5642_WIDTH; |
| 758 | mf->height = OV5642_HEIGHT; |
| 759 | mf->field = V4L2_FIELD_NONE; |
| 760 | |
| 761 | return 0; |
| 762 | } |
| 763 | |
| 764 | static int ov5642_s_fmt(struct v4l2_subdev *sd, |
| 765 | struct v4l2_mbus_framefmt *mf) |
| 766 | { |
| 767 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 768 | struct ov5642 *priv = to_ov5642(client); |
| 769 | |
| 770 | dev_dbg(sd->v4l2_dev->dev, "%s(%u)\n", __func__, mf->code); |
| 771 | |
| 772 | /* MIPI CSI could have changed the format, double-check */ |
| 773 | if (!ov5642_find_datafmt(mf->code)) |
| 774 | return -EINVAL; |
| 775 | |
| 776 | ov5642_try_fmt(sd, mf); |
| 777 | |
| 778 | priv->fmt = ov5642_find_datafmt(mf->code); |
| 779 | |
| 780 | ov5642_write_array(client, ov5642_default_regs_init); |
| 781 | ov5642_set_resolution(client); |
| 782 | ov5642_write_array(client, ov5642_default_regs_finalise); |
| 783 | |
| 784 | return 0; |
| 785 | } |
| 786 | |
| 787 | static int ov5642_g_fmt(struct v4l2_subdev *sd, |
| 788 | struct v4l2_mbus_framefmt *mf) |
| 789 | { |
| 790 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 791 | struct ov5642 *priv = to_ov5642(client); |
| 792 | |
| 793 | const struct ov5642_datafmt *fmt = priv->fmt; |
| 794 | |
| 795 | mf->code = fmt->code; |
| 796 | mf->colorspace = fmt->colorspace; |
| 797 | mf->width = OV5642_WIDTH; |
| 798 | mf->height = OV5642_HEIGHT; |
| 799 | mf->field = V4L2_FIELD_NONE; |
| 800 | |
| 801 | return 0; |
| 802 | } |
| 803 | |
| 804 | static int ov5642_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
| 805 | enum v4l2_mbus_pixelcode *code) |
| 806 | { |
| 807 | if (index >= ARRAY_SIZE(ov5642_colour_fmts)) |
| 808 | return -EINVAL; |
| 809 | |
| 810 | *code = ov5642_colour_fmts[index].code; |
| 811 | return 0; |
| 812 | } |
| 813 | |
| 814 | static int ov5642_g_chip_ident(struct v4l2_subdev *sd, |
| 815 | struct v4l2_dbg_chip_ident *id) |
| 816 | { |
| 817 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 818 | |
| 819 | if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR) |
| 820 | return -EINVAL; |
| 821 | |
| 822 | if (id->match.addr != client->addr) |
| 823 | return -ENODEV; |
| 824 | |
| 825 | id->ident = V4L2_IDENT_OV5642; |
| 826 | id->revision = 0; |
| 827 | |
| 828 | return 0; |
| 829 | } |
| 830 | |
| 831 | static int ov5642_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
| 832 | { |
| 833 | struct v4l2_rect *rect = &a->c; |
| 834 | |
| 835 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 836 | rect->top = 0; |
| 837 | rect->left = 0; |
| 838 | rect->width = OV5642_WIDTH; |
| 839 | rect->height = OV5642_HEIGHT; |
| 840 | |
| 841 | return 0; |
| 842 | } |
| 843 | |
| 844 | static int ov5642_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) |
| 845 | { |
| 846 | a->bounds.left = 0; |
| 847 | a->bounds.top = 0; |
| 848 | a->bounds.width = OV5642_WIDTH; |
| 849 | a->bounds.height = OV5642_HEIGHT; |
| 850 | a->defrect = a->bounds; |
| 851 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 852 | a->pixelaspect.numerator = 1; |
| 853 | a->pixelaspect.denominator = 1; |
| 854 | |
| 855 | return 0; |
| 856 | } |
| 857 | |
| 858 | static int ov5642_g_mbus_config(struct v4l2_subdev *sd, |
| 859 | struct v4l2_mbus_config *cfg) |
| 860 | { |
| 861 | cfg->type = V4L2_MBUS_CSI2; |
| 862 | cfg->flags = V4L2_MBUS_CSI2_2_LANE | |
| 863 | V4L2_MBUS_CSI2_CHANNEL_0 | |
| 864 | V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; |
| 865 | |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | static struct v4l2_subdev_video_ops ov5642_subdev_video_ops = { |
| 870 | .s_mbus_fmt = ov5642_s_fmt, |
| 871 | .g_mbus_fmt = ov5642_g_fmt, |
| 872 | .try_mbus_fmt = ov5642_try_fmt, |
| 873 | .enum_mbus_fmt = ov5642_enum_fmt, |
| 874 | .g_crop = ov5642_g_crop, |
| 875 | .cropcap = ov5642_cropcap, |
| 876 | .g_mbus_config = ov5642_g_mbus_config, |
| 877 | }; |
| 878 | |
| 879 | static struct v4l2_subdev_core_ops ov5642_subdev_core_ops = { |
| 880 | .g_chip_ident = ov5642_g_chip_ident, |
| 881 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 882 | .g_register = ov5642_get_register, |
| 883 | .s_register = ov5642_set_register, |
| 884 | #endif |
| 885 | }; |
| 886 | |
| 887 | static struct v4l2_subdev_ops ov5642_subdev_ops = { |
| 888 | .core = &ov5642_subdev_core_ops, |
| 889 | .video = &ov5642_subdev_video_ops, |
| 890 | }; |
| 891 | |
| 892 | static int ov5642_video_probe(struct i2c_client *client) |
| 893 | { |
| 894 | int ret; |
| 895 | u8 id_high, id_low; |
| 896 | u16 id; |
| 897 | |
| 898 | /* Read sensor Model ID */ |
| 899 | ret = reg_read(client, REG_CHIP_ID_HIGH, &id_high); |
| 900 | if (ret < 0) |
| 901 | return ret; |
| 902 | |
| 903 | id = id_high << 8; |
| 904 | |
| 905 | ret = reg_read(client, REG_CHIP_ID_LOW, &id_low); |
| 906 | if (ret < 0) |
| 907 | return ret; |
| 908 | |
| 909 | id |= id_low; |
| 910 | |
| 911 | dev_info(&client->dev, "Chip ID 0x%04x detected\n", id); |
| 912 | |
| 913 | if (id != 0x5642) |
| 914 | return -ENODEV; |
| 915 | |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | static int ov5642_probe(struct i2c_client *client, |
| 920 | const struct i2c_device_id *did) |
| 921 | { |
| 922 | struct ov5642 *priv; |
| 923 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
| 924 | int ret; |
| 925 | |
| 926 | if (!icl) { |
| 927 | dev_err(&client->dev, "OV5642: missing platform data!\n"); |
| 928 | return -EINVAL; |
| 929 | } |
| 930 | |
| 931 | priv = kzalloc(sizeof(struct ov5642), GFP_KERNEL); |
| 932 | if (!priv) |
| 933 | return -ENOMEM; |
| 934 | |
| 935 | v4l2_i2c_subdev_init(&priv->subdev, client, &ov5642_subdev_ops); |
| 936 | |
| 937 | priv->fmt = &ov5642_colour_fmts[0]; |
| 938 | |
| 939 | ret = ov5642_video_probe(client); |
| 940 | if (ret < 0) |
| 941 | goto error; |
| 942 | |
| 943 | return 0; |
| 944 | |
| 945 | error: |
| 946 | kfree(priv); |
| 947 | return ret; |
| 948 | } |
| 949 | |
| 950 | static int ov5642_remove(struct i2c_client *client) |
| 951 | { |
| 952 | struct ov5642 *priv = to_ov5642(client); |
| 953 | struct soc_camera_link *icl = soc_camera_i2c_to_link(client); |
| 954 | |
| 955 | if (icl->free_bus) |
| 956 | icl->free_bus(icl); |
| 957 | kfree(priv); |
| 958 | |
| 959 | return 0; |
| 960 | } |
| 961 | |
| 962 | static const struct i2c_device_id ov5642_id[] = { |
| 963 | { "ov5642", 0 }, |
| 964 | { } |
| 965 | }; |
| 966 | MODULE_DEVICE_TABLE(i2c, ov5642_id); |
| 967 | |
| 968 | static struct i2c_driver ov5642_i2c_driver = { |
| 969 | .driver = { |
| 970 | .name = "ov5642", |
| 971 | }, |
| 972 | .probe = ov5642_probe, |
| 973 | .remove = ov5642_remove, |
| 974 | .id_table = ov5642_id, |
| 975 | }; |
| 976 | |
| 977 | static int __init ov5642_mod_init(void) |
| 978 | { |
| 979 | return i2c_add_driver(&ov5642_i2c_driver); |
| 980 | } |
| 981 | |
| 982 | static void __exit ov5642_mod_exit(void) |
| 983 | { |
| 984 | i2c_del_driver(&ov5642_i2c_driver); |
| 985 | } |
| 986 | |
| 987 | module_init(ov5642_mod_init); |
| 988 | module_exit(ov5642_mod_exit); |
| 989 | |
| 990 | MODULE_DESCRIPTION("Omnivision OV5642 Camera driver"); |
| 991 | MODULE_AUTHOR("Bastian Hecht <hechtb@gmail.com>"); |
| 992 | MODULE_LICENSE("GPL v2"); |