Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 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 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 17 | #include <linux/bitops.h> |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 18 | #include <linux/delay.h> |
| 19 | #include <linux/i2c.h> |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 20 | #include <linux/kernel.h> |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 21 | #include <linux/slab.h> |
| 22 | #include <linux/videodev2.h> |
Stephen Rothwell | d208c97 | 2011-07-29 15:30:00 +1000 | [diff] [blame] | 23 | #include <linux/module.h> |
Guennadi Liakhovetski | 95d2010 | 2011-09-09 13:56:04 -0300 | [diff] [blame] | 24 | #include <linux/v4l2-mediabus.h> |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 25 | |
| 26 | #include <media/soc_camera.h> |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 27 | #include <media/v4l2-clk.h> |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 28 | #include <media/v4l2-subdev.h> |
| 29 | |
| 30 | /* OV5642 registers */ |
| 31 | #define REG_CHIP_ID_HIGH 0x300a |
| 32 | #define REG_CHIP_ID_LOW 0x300b |
| 33 | |
| 34 | #define REG_WINDOW_START_X_HIGH 0x3800 |
| 35 | #define REG_WINDOW_START_X_LOW 0x3801 |
| 36 | #define REG_WINDOW_START_Y_HIGH 0x3802 |
| 37 | #define REG_WINDOW_START_Y_LOW 0x3803 |
| 38 | #define REG_WINDOW_WIDTH_HIGH 0x3804 |
| 39 | #define REG_WINDOW_WIDTH_LOW 0x3805 |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 40 | #define REG_WINDOW_HEIGHT_HIGH 0x3806 |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 41 | #define REG_WINDOW_HEIGHT_LOW 0x3807 |
| 42 | #define REG_OUT_WIDTH_HIGH 0x3808 |
| 43 | #define REG_OUT_WIDTH_LOW 0x3809 |
| 44 | #define REG_OUT_HEIGHT_HIGH 0x380a |
| 45 | #define REG_OUT_HEIGHT_LOW 0x380b |
| 46 | #define REG_OUT_TOTAL_WIDTH_HIGH 0x380c |
| 47 | #define REG_OUT_TOTAL_WIDTH_LOW 0x380d |
| 48 | #define REG_OUT_TOTAL_HEIGHT_HIGH 0x380e |
| 49 | #define REG_OUT_TOTAL_HEIGHT_LOW 0x380f |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 50 | #define REG_OUTPUT_FORMAT 0x4300 |
| 51 | #define REG_ISP_CTRL_01 0x5001 |
| 52 | #define REG_AVG_WINDOW_END_X_HIGH 0x5682 |
| 53 | #define REG_AVG_WINDOW_END_X_LOW 0x5683 |
| 54 | #define REG_AVG_WINDOW_END_Y_HIGH 0x5686 |
| 55 | #define REG_AVG_WINDOW_END_Y_LOW 0x5687 |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 56 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 57 | /* active pixel array size */ |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 58 | #define OV5642_SENSOR_SIZE_X 2592 |
| 59 | #define OV5642_SENSOR_SIZE_Y 1944 |
| 60 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 61 | /* |
| 62 | * About OV5642 resolution, cropping and binning: |
| 63 | * This sensor supports it all, at least in the feature description. |
| 64 | * Unfortunately, no combination of appropriate registers settings could make |
| 65 | * the chip work the intended way. As it works with predefined register lists, |
| 66 | * some undocumented registers are presumably changed there to achieve their |
| 67 | * goals. |
| 68 | * This driver currently only works for resolutions up to 720 lines with a |
| 69 | * 1:1 scale. Hopefully these restrictions will be removed in the future. |
| 70 | */ |
| 71 | #define OV5642_MAX_WIDTH OV5642_SENSOR_SIZE_X |
| 72 | #define OV5642_MAX_HEIGHT 720 |
| 73 | |
| 74 | /* default sizes */ |
| 75 | #define OV5642_DEFAULT_WIDTH 1280 |
| 76 | #define OV5642_DEFAULT_HEIGHT OV5642_MAX_HEIGHT |
| 77 | |
| 78 | /* minimum extra blanking */ |
| 79 | #define BLANKING_EXTRA_WIDTH 500 |
| 80 | #define BLANKING_EXTRA_HEIGHT 20 |
| 81 | |
| 82 | /* |
| 83 | * the sensor's autoexposure is buggy when setting total_height low. |
| 84 | * It tries to expose longer than 1 frame period without taking care of it |
| 85 | * and this leads to weird output. So we set 1000 lines as minimum. |
| 86 | */ |
| 87 | #define BLANKING_MIN_HEIGHT 1000 |
| 88 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 89 | struct regval_list { |
| 90 | u16 reg_num; |
| 91 | u8 value; |
| 92 | }; |
| 93 | |
| 94 | static struct regval_list ov5642_default_regs_init[] = { |
| 95 | { 0x3103, 0x93 }, |
| 96 | { 0x3008, 0x82 }, |
| 97 | { 0x3017, 0x7f }, |
| 98 | { 0x3018, 0xfc }, |
| 99 | { 0x3810, 0xc2 }, |
| 100 | { 0x3615, 0xf0 }, |
| 101 | { 0x3000, 0x0 }, |
| 102 | { 0x3001, 0x0 }, |
| 103 | { 0x3002, 0x0 }, |
| 104 | { 0x3003, 0x0 }, |
| 105 | { 0x3004, 0xff }, |
| 106 | { 0x3030, 0x2b }, |
| 107 | { 0x3011, 0x8 }, |
| 108 | { 0x3010, 0x10 }, |
| 109 | { 0x3604, 0x60 }, |
| 110 | { 0x3622, 0x60 }, |
| 111 | { 0x3621, 0x9 }, |
| 112 | { 0x3709, 0x0 }, |
| 113 | { 0x4000, 0x21 }, |
| 114 | { 0x401d, 0x22 }, |
| 115 | { 0x3600, 0x54 }, |
| 116 | { 0x3605, 0x4 }, |
| 117 | { 0x3606, 0x3f }, |
| 118 | { 0x3c01, 0x80 }, |
| 119 | { 0x300d, 0x22 }, |
| 120 | { 0x3623, 0x22 }, |
| 121 | { 0x5000, 0x4f }, |
| 122 | { 0x5020, 0x4 }, |
| 123 | { 0x5181, 0x79 }, |
| 124 | { 0x5182, 0x0 }, |
| 125 | { 0x5185, 0x22 }, |
| 126 | { 0x5197, 0x1 }, |
| 127 | { 0x5500, 0xa }, |
| 128 | { 0x5504, 0x0 }, |
| 129 | { 0x5505, 0x7f }, |
| 130 | { 0x5080, 0x8 }, |
| 131 | { 0x300e, 0x18 }, |
| 132 | { 0x4610, 0x0 }, |
| 133 | { 0x471d, 0x5 }, |
| 134 | { 0x4708, 0x6 }, |
| 135 | { 0x370c, 0xa0 }, |
| 136 | { 0x5687, 0x94 }, |
| 137 | { 0x501f, 0x0 }, |
| 138 | { 0x5000, 0x4f }, |
| 139 | { 0x5001, 0xcf }, |
| 140 | { 0x4300, 0x30 }, |
| 141 | { 0x4300, 0x30 }, |
| 142 | { 0x460b, 0x35 }, |
| 143 | { 0x471d, 0x0 }, |
| 144 | { 0x3002, 0xc }, |
| 145 | { 0x3002, 0x0 }, |
| 146 | { 0x4713, 0x3 }, |
| 147 | { 0x471c, 0x50 }, |
| 148 | { 0x4721, 0x2 }, |
| 149 | { 0x4402, 0x90 }, |
| 150 | { 0x460c, 0x22 }, |
| 151 | { 0x3815, 0x44 }, |
| 152 | { 0x3503, 0x7 }, |
| 153 | { 0x3501, 0x73 }, |
| 154 | { 0x3502, 0x80 }, |
| 155 | { 0x350b, 0x0 }, |
| 156 | { 0x3818, 0xc8 }, |
| 157 | { 0x3824, 0x11 }, |
| 158 | { 0x3a00, 0x78 }, |
| 159 | { 0x3a1a, 0x4 }, |
| 160 | { 0x3a13, 0x30 }, |
| 161 | { 0x3a18, 0x0 }, |
| 162 | { 0x3a19, 0x7c }, |
| 163 | { 0x3a08, 0x12 }, |
| 164 | { 0x3a09, 0xc0 }, |
| 165 | { 0x3a0a, 0xf }, |
| 166 | { 0x3a0b, 0xa0 }, |
| 167 | { 0x350c, 0x7 }, |
| 168 | { 0x350d, 0xd0 }, |
| 169 | { 0x3a0d, 0x8 }, |
| 170 | { 0x3a0e, 0x6 }, |
| 171 | { 0x3500, 0x0 }, |
| 172 | { 0x3501, 0x0 }, |
| 173 | { 0x3502, 0x0 }, |
| 174 | { 0x350a, 0x0 }, |
| 175 | { 0x350b, 0x0 }, |
| 176 | { 0x3503, 0x0 }, |
| 177 | { 0x3a0f, 0x3c }, |
| 178 | { 0x3a10, 0x32 }, |
| 179 | { 0x3a1b, 0x3c }, |
| 180 | { 0x3a1e, 0x32 }, |
| 181 | { 0x3a11, 0x80 }, |
| 182 | { 0x3a1f, 0x20 }, |
| 183 | { 0x3030, 0x2b }, |
| 184 | { 0x3a02, 0x0 }, |
| 185 | { 0x3a03, 0x7d }, |
| 186 | { 0x3a04, 0x0 }, |
| 187 | { 0x3a14, 0x0 }, |
| 188 | { 0x3a15, 0x7d }, |
| 189 | { 0x3a16, 0x0 }, |
| 190 | { 0x3a00, 0x78 }, |
| 191 | { 0x3a08, 0x9 }, |
| 192 | { 0x3a09, 0x60 }, |
| 193 | { 0x3a0a, 0x7 }, |
| 194 | { 0x3a0b, 0xd0 }, |
| 195 | { 0x3a0d, 0x10 }, |
| 196 | { 0x3a0e, 0xd }, |
| 197 | { 0x4407, 0x4 }, |
| 198 | { 0x5193, 0x70 }, |
| 199 | { 0x589b, 0x0 }, |
| 200 | { 0x589a, 0xc0 }, |
| 201 | { 0x401e, 0x20 }, |
| 202 | { 0x4001, 0x42 }, |
| 203 | { 0x401c, 0x6 }, |
| 204 | { 0x3825, 0xac }, |
| 205 | { 0x3827, 0xc }, |
| 206 | { 0x528a, 0x1 }, |
| 207 | { 0x528b, 0x4 }, |
| 208 | { 0x528c, 0x8 }, |
| 209 | { 0x528d, 0x10 }, |
| 210 | { 0x528e, 0x20 }, |
| 211 | { 0x528f, 0x28 }, |
| 212 | { 0x5290, 0x30 }, |
| 213 | { 0x5292, 0x0 }, |
| 214 | { 0x5293, 0x1 }, |
| 215 | { 0x5294, 0x0 }, |
| 216 | { 0x5295, 0x4 }, |
| 217 | { 0x5296, 0x0 }, |
| 218 | { 0x5297, 0x8 }, |
| 219 | { 0x5298, 0x0 }, |
| 220 | { 0x5299, 0x10 }, |
| 221 | { 0x529a, 0x0 }, |
| 222 | { 0x529b, 0x20 }, |
| 223 | { 0x529c, 0x0 }, |
| 224 | { 0x529d, 0x28 }, |
| 225 | { 0x529e, 0x0 }, |
| 226 | { 0x529f, 0x30 }, |
| 227 | { 0x5282, 0x0 }, |
| 228 | { 0x5300, 0x0 }, |
| 229 | { 0x5301, 0x20 }, |
| 230 | { 0x5302, 0x0 }, |
| 231 | { 0x5303, 0x7c }, |
| 232 | { 0x530c, 0x0 }, |
| 233 | { 0x530d, 0xc }, |
| 234 | { 0x530e, 0x20 }, |
| 235 | { 0x530f, 0x80 }, |
| 236 | { 0x5310, 0x20 }, |
| 237 | { 0x5311, 0x80 }, |
| 238 | { 0x5308, 0x20 }, |
| 239 | { 0x5309, 0x40 }, |
| 240 | { 0x5304, 0x0 }, |
| 241 | { 0x5305, 0x30 }, |
| 242 | { 0x5306, 0x0 }, |
| 243 | { 0x5307, 0x80 }, |
| 244 | { 0x5314, 0x8 }, |
| 245 | { 0x5315, 0x20 }, |
| 246 | { 0x5319, 0x30 }, |
| 247 | { 0x5316, 0x10 }, |
| 248 | { 0x5317, 0x0 }, |
| 249 | { 0x5318, 0x2 }, |
| 250 | { 0x5380, 0x1 }, |
| 251 | { 0x5381, 0x0 }, |
| 252 | { 0x5382, 0x0 }, |
| 253 | { 0x5383, 0x4e }, |
| 254 | { 0x5384, 0x0 }, |
| 255 | { 0x5385, 0xf }, |
| 256 | { 0x5386, 0x0 }, |
| 257 | { 0x5387, 0x0 }, |
| 258 | { 0x5388, 0x1 }, |
| 259 | { 0x5389, 0x15 }, |
| 260 | { 0x538a, 0x0 }, |
| 261 | { 0x538b, 0x31 }, |
| 262 | { 0x538c, 0x0 }, |
| 263 | { 0x538d, 0x0 }, |
| 264 | { 0x538e, 0x0 }, |
| 265 | { 0x538f, 0xf }, |
| 266 | { 0x5390, 0x0 }, |
| 267 | { 0x5391, 0xab }, |
| 268 | { 0x5392, 0x0 }, |
| 269 | { 0x5393, 0xa2 }, |
| 270 | { 0x5394, 0x8 }, |
| 271 | { 0x5480, 0x14 }, |
| 272 | { 0x5481, 0x21 }, |
| 273 | { 0x5482, 0x36 }, |
| 274 | { 0x5483, 0x57 }, |
| 275 | { 0x5484, 0x65 }, |
| 276 | { 0x5485, 0x71 }, |
| 277 | { 0x5486, 0x7d }, |
| 278 | { 0x5487, 0x87 }, |
| 279 | { 0x5488, 0x91 }, |
| 280 | { 0x5489, 0x9a }, |
| 281 | { 0x548a, 0xaa }, |
| 282 | { 0x548b, 0xb8 }, |
| 283 | { 0x548c, 0xcd }, |
| 284 | { 0x548d, 0xdd }, |
| 285 | { 0x548e, 0xea }, |
| 286 | { 0x548f, 0x1d }, |
| 287 | { 0x5490, 0x5 }, |
| 288 | { 0x5491, 0x0 }, |
| 289 | { 0x5492, 0x4 }, |
| 290 | { 0x5493, 0x20 }, |
| 291 | { 0x5494, 0x3 }, |
| 292 | { 0x5495, 0x60 }, |
| 293 | { 0x5496, 0x2 }, |
| 294 | { 0x5497, 0xb8 }, |
| 295 | { 0x5498, 0x2 }, |
| 296 | { 0x5499, 0x86 }, |
| 297 | { 0x549a, 0x2 }, |
| 298 | { 0x549b, 0x5b }, |
| 299 | { 0x549c, 0x2 }, |
| 300 | { 0x549d, 0x3b }, |
| 301 | { 0x549e, 0x2 }, |
| 302 | { 0x549f, 0x1c }, |
| 303 | { 0x54a0, 0x2 }, |
| 304 | { 0x54a1, 0x4 }, |
| 305 | { 0x54a2, 0x1 }, |
| 306 | { 0x54a3, 0xed }, |
| 307 | { 0x54a4, 0x1 }, |
| 308 | { 0x54a5, 0xc5 }, |
| 309 | { 0x54a6, 0x1 }, |
| 310 | { 0x54a7, 0xa5 }, |
| 311 | { 0x54a8, 0x1 }, |
| 312 | { 0x54a9, 0x6c }, |
| 313 | { 0x54aa, 0x1 }, |
| 314 | { 0x54ab, 0x41 }, |
| 315 | { 0x54ac, 0x1 }, |
| 316 | { 0x54ad, 0x20 }, |
| 317 | { 0x54ae, 0x0 }, |
| 318 | { 0x54af, 0x16 }, |
| 319 | { 0x54b0, 0x1 }, |
| 320 | { 0x54b1, 0x20 }, |
| 321 | { 0x54b2, 0x0 }, |
| 322 | { 0x54b3, 0x10 }, |
| 323 | { 0x54b4, 0x0 }, |
| 324 | { 0x54b5, 0xf0 }, |
| 325 | { 0x54b6, 0x0 }, |
| 326 | { 0x54b7, 0xdf }, |
| 327 | { 0x5402, 0x3f }, |
| 328 | { 0x5403, 0x0 }, |
| 329 | { 0x3406, 0x0 }, |
| 330 | { 0x5180, 0xff }, |
| 331 | { 0x5181, 0x52 }, |
| 332 | { 0x5182, 0x11 }, |
| 333 | { 0x5183, 0x14 }, |
| 334 | { 0x5184, 0x25 }, |
| 335 | { 0x5185, 0x24 }, |
| 336 | { 0x5186, 0x6 }, |
| 337 | { 0x5187, 0x8 }, |
| 338 | { 0x5188, 0x8 }, |
| 339 | { 0x5189, 0x7c }, |
| 340 | { 0x518a, 0x60 }, |
| 341 | { 0x518b, 0xb2 }, |
| 342 | { 0x518c, 0xb2 }, |
| 343 | { 0x518d, 0x44 }, |
| 344 | { 0x518e, 0x3d }, |
| 345 | { 0x518f, 0x58 }, |
| 346 | { 0x5190, 0x46 }, |
| 347 | { 0x5191, 0xf8 }, |
| 348 | { 0x5192, 0x4 }, |
| 349 | { 0x5193, 0x70 }, |
| 350 | { 0x5194, 0xf0 }, |
| 351 | { 0x5195, 0xf0 }, |
| 352 | { 0x5196, 0x3 }, |
| 353 | { 0x5197, 0x1 }, |
| 354 | { 0x5198, 0x4 }, |
| 355 | { 0x5199, 0x12 }, |
| 356 | { 0x519a, 0x4 }, |
| 357 | { 0x519b, 0x0 }, |
| 358 | { 0x519c, 0x6 }, |
| 359 | { 0x519d, 0x82 }, |
| 360 | { 0x519e, 0x0 }, |
| 361 | { 0x5025, 0x80 }, |
| 362 | { 0x3a0f, 0x38 }, |
| 363 | { 0x3a10, 0x30 }, |
| 364 | { 0x3a1b, 0x3a }, |
| 365 | { 0x3a1e, 0x2e }, |
| 366 | { 0x3a11, 0x60 }, |
| 367 | { 0x3a1f, 0x10 }, |
| 368 | { 0x5688, 0xa6 }, |
| 369 | { 0x5689, 0x6a }, |
| 370 | { 0x568a, 0xea }, |
| 371 | { 0x568b, 0xae }, |
| 372 | { 0x568c, 0xa6 }, |
| 373 | { 0x568d, 0x6a }, |
| 374 | { 0x568e, 0x62 }, |
| 375 | { 0x568f, 0x26 }, |
| 376 | { 0x5583, 0x40 }, |
| 377 | { 0x5584, 0x40 }, |
| 378 | { 0x5580, 0x2 }, |
| 379 | { 0x5000, 0xcf }, |
| 380 | { 0x5800, 0x27 }, |
| 381 | { 0x5801, 0x19 }, |
| 382 | { 0x5802, 0x12 }, |
| 383 | { 0x5803, 0xf }, |
| 384 | { 0x5804, 0x10 }, |
| 385 | { 0x5805, 0x15 }, |
| 386 | { 0x5806, 0x1e }, |
| 387 | { 0x5807, 0x2f }, |
| 388 | { 0x5808, 0x15 }, |
| 389 | { 0x5809, 0xd }, |
| 390 | { 0x580a, 0xa }, |
| 391 | { 0x580b, 0x9 }, |
| 392 | { 0x580c, 0xa }, |
| 393 | { 0x580d, 0xc }, |
| 394 | { 0x580e, 0x12 }, |
| 395 | { 0x580f, 0x19 }, |
| 396 | { 0x5810, 0xb }, |
| 397 | { 0x5811, 0x7 }, |
| 398 | { 0x5812, 0x4 }, |
| 399 | { 0x5813, 0x3 }, |
| 400 | { 0x5814, 0x3 }, |
| 401 | { 0x5815, 0x6 }, |
| 402 | { 0x5816, 0xa }, |
| 403 | { 0x5817, 0xf }, |
| 404 | { 0x5818, 0xa }, |
| 405 | { 0x5819, 0x5 }, |
| 406 | { 0x581a, 0x1 }, |
| 407 | { 0x581b, 0x0 }, |
| 408 | { 0x581c, 0x0 }, |
| 409 | { 0x581d, 0x3 }, |
| 410 | { 0x581e, 0x8 }, |
| 411 | { 0x581f, 0xc }, |
| 412 | { 0x5820, 0xa }, |
| 413 | { 0x5821, 0x5 }, |
| 414 | { 0x5822, 0x1 }, |
| 415 | { 0x5823, 0x0 }, |
| 416 | { 0x5824, 0x0 }, |
| 417 | { 0x5825, 0x3 }, |
| 418 | { 0x5826, 0x8 }, |
| 419 | { 0x5827, 0xc }, |
| 420 | { 0x5828, 0xe }, |
| 421 | { 0x5829, 0x8 }, |
| 422 | { 0x582a, 0x6 }, |
| 423 | { 0x582b, 0x4 }, |
| 424 | { 0x582c, 0x5 }, |
| 425 | { 0x582d, 0x7 }, |
| 426 | { 0x582e, 0xb }, |
| 427 | { 0x582f, 0x12 }, |
| 428 | { 0x5830, 0x18 }, |
| 429 | { 0x5831, 0x10 }, |
| 430 | { 0x5832, 0xc }, |
| 431 | { 0x5833, 0xa }, |
| 432 | { 0x5834, 0xb }, |
| 433 | { 0x5835, 0xe }, |
| 434 | { 0x5836, 0x15 }, |
| 435 | { 0x5837, 0x19 }, |
| 436 | { 0x5838, 0x32 }, |
| 437 | { 0x5839, 0x1f }, |
| 438 | { 0x583a, 0x18 }, |
| 439 | { 0x583b, 0x16 }, |
| 440 | { 0x583c, 0x17 }, |
| 441 | { 0x583d, 0x1e }, |
| 442 | { 0x583e, 0x26 }, |
| 443 | { 0x583f, 0x53 }, |
| 444 | { 0x5840, 0x10 }, |
| 445 | { 0x5841, 0xf }, |
| 446 | { 0x5842, 0xd }, |
| 447 | { 0x5843, 0xc }, |
| 448 | { 0x5844, 0xe }, |
| 449 | { 0x5845, 0x9 }, |
| 450 | { 0x5846, 0x11 }, |
| 451 | { 0x5847, 0x10 }, |
| 452 | { 0x5848, 0x10 }, |
| 453 | { 0x5849, 0x10 }, |
| 454 | { 0x584a, 0x10 }, |
| 455 | { 0x584b, 0xe }, |
| 456 | { 0x584c, 0x10 }, |
| 457 | { 0x584d, 0x10 }, |
| 458 | { 0x584e, 0x11 }, |
| 459 | { 0x584f, 0x10 }, |
| 460 | { 0x5850, 0xf }, |
| 461 | { 0x5851, 0xc }, |
| 462 | { 0x5852, 0xf }, |
| 463 | { 0x5853, 0x10 }, |
| 464 | { 0x5854, 0x10 }, |
| 465 | { 0x5855, 0xf }, |
| 466 | { 0x5856, 0xe }, |
| 467 | { 0x5857, 0xb }, |
| 468 | { 0x5858, 0x10 }, |
| 469 | { 0x5859, 0xd }, |
| 470 | { 0x585a, 0xd }, |
| 471 | { 0x585b, 0xc }, |
| 472 | { 0x585c, 0xc }, |
| 473 | { 0x585d, 0xc }, |
| 474 | { 0x585e, 0xb }, |
| 475 | { 0x585f, 0xc }, |
| 476 | { 0x5860, 0xc }, |
| 477 | { 0x5861, 0xc }, |
| 478 | { 0x5862, 0xd }, |
| 479 | { 0x5863, 0x8 }, |
| 480 | { 0x5864, 0x11 }, |
| 481 | { 0x5865, 0x18 }, |
| 482 | { 0x5866, 0x18 }, |
| 483 | { 0x5867, 0x19 }, |
| 484 | { 0x5868, 0x17 }, |
| 485 | { 0x5869, 0x19 }, |
| 486 | { 0x586a, 0x16 }, |
| 487 | { 0x586b, 0x13 }, |
| 488 | { 0x586c, 0x13 }, |
| 489 | { 0x586d, 0x12 }, |
| 490 | { 0x586e, 0x13 }, |
| 491 | { 0x586f, 0x16 }, |
| 492 | { 0x5870, 0x14 }, |
| 493 | { 0x5871, 0x12 }, |
| 494 | { 0x5872, 0x10 }, |
| 495 | { 0x5873, 0x11 }, |
| 496 | { 0x5874, 0x11 }, |
| 497 | { 0x5875, 0x16 }, |
| 498 | { 0x5876, 0x14 }, |
| 499 | { 0x5877, 0x11 }, |
| 500 | { 0x5878, 0x10 }, |
| 501 | { 0x5879, 0xf }, |
| 502 | { 0x587a, 0x10 }, |
| 503 | { 0x587b, 0x14 }, |
| 504 | { 0x587c, 0x13 }, |
| 505 | { 0x587d, 0x12 }, |
| 506 | { 0x587e, 0x11 }, |
| 507 | { 0x587f, 0x11 }, |
| 508 | { 0x5880, 0x12 }, |
| 509 | { 0x5881, 0x15 }, |
| 510 | { 0x5882, 0x14 }, |
| 511 | { 0x5883, 0x15 }, |
| 512 | { 0x5884, 0x15 }, |
| 513 | { 0x5885, 0x15 }, |
| 514 | { 0x5886, 0x13 }, |
| 515 | { 0x5887, 0x17 }, |
| 516 | { 0x3710, 0x10 }, |
| 517 | { 0x3632, 0x51 }, |
| 518 | { 0x3702, 0x10 }, |
| 519 | { 0x3703, 0xb2 }, |
| 520 | { 0x3704, 0x18 }, |
| 521 | { 0x370b, 0x40 }, |
| 522 | { 0x370d, 0x3 }, |
| 523 | { 0x3631, 0x1 }, |
| 524 | { 0x3632, 0x52 }, |
| 525 | { 0x3606, 0x24 }, |
| 526 | { 0x3620, 0x96 }, |
| 527 | { 0x5785, 0x7 }, |
| 528 | { 0x3a13, 0x30 }, |
| 529 | { 0x3600, 0x52 }, |
| 530 | { 0x3604, 0x48 }, |
| 531 | { 0x3606, 0x1b }, |
| 532 | { 0x370d, 0xb }, |
| 533 | { 0x370f, 0xc0 }, |
| 534 | { 0x3709, 0x1 }, |
| 535 | { 0x3823, 0x0 }, |
| 536 | { 0x5007, 0x0 }, |
| 537 | { 0x5009, 0x0 }, |
| 538 | { 0x5011, 0x0 }, |
| 539 | { 0x5013, 0x0 }, |
| 540 | { 0x519e, 0x0 }, |
| 541 | { 0x5086, 0x0 }, |
| 542 | { 0x5087, 0x0 }, |
| 543 | { 0x5088, 0x0 }, |
| 544 | { 0x5089, 0x0 }, |
| 545 | { 0x302b, 0x0 }, |
| 546 | { 0x3503, 0x7 }, |
| 547 | { 0x3011, 0x8 }, |
| 548 | { 0x350c, 0x2 }, |
| 549 | { 0x350d, 0xe4 }, |
| 550 | { 0x3621, 0xc9 }, |
| 551 | { 0x370a, 0x81 }, |
| 552 | { 0xffff, 0xff }, |
| 553 | }; |
| 554 | |
| 555 | static struct regval_list ov5642_default_regs_finalise[] = { |
| 556 | { 0x3810, 0xc2 }, |
| 557 | { 0x3818, 0xc9 }, |
| 558 | { 0x381c, 0x10 }, |
| 559 | { 0x381d, 0xa0 }, |
| 560 | { 0x381e, 0x5 }, |
| 561 | { 0x381f, 0xb0 }, |
| 562 | { 0x3820, 0x0 }, |
| 563 | { 0x3821, 0x0 }, |
| 564 | { 0x3824, 0x11 }, |
| 565 | { 0x3a08, 0x1b }, |
| 566 | { 0x3a09, 0xc0 }, |
| 567 | { 0x3a0a, 0x17 }, |
| 568 | { 0x3a0b, 0x20 }, |
| 569 | { 0x3a0d, 0x2 }, |
| 570 | { 0x3a0e, 0x1 }, |
| 571 | { 0x401c, 0x4 }, |
| 572 | { 0x5682, 0x5 }, |
| 573 | { 0x5683, 0x0 }, |
| 574 | { 0x5686, 0x2 }, |
| 575 | { 0x5687, 0xcc }, |
| 576 | { 0x5001, 0x4f }, |
| 577 | { 0x589b, 0x6 }, |
| 578 | { 0x589a, 0xc5 }, |
| 579 | { 0x3503, 0x0 }, |
| 580 | { 0x460c, 0x20 }, |
| 581 | { 0x460b, 0x37 }, |
| 582 | { 0x471c, 0xd0 }, |
| 583 | { 0x471d, 0x5 }, |
| 584 | { 0x3815, 0x1 }, |
| 585 | { 0x3818, 0xc1 }, |
| 586 | { 0x501f, 0x0 }, |
| 587 | { 0x5002, 0xe0 }, |
| 588 | { 0x4300, 0x32 }, /* UYVY */ |
| 589 | { 0x3002, 0x1c }, |
| 590 | { 0x4800, 0x14 }, |
| 591 | { 0x4801, 0xf }, |
| 592 | { 0x3007, 0x3b }, |
| 593 | { 0x300e, 0x4 }, |
| 594 | { 0x4803, 0x50 }, |
| 595 | { 0x3815, 0x1 }, |
| 596 | { 0x4713, 0x2 }, |
| 597 | { 0x4842, 0x1 }, |
| 598 | { 0x300f, 0xe }, |
| 599 | { 0x3003, 0x3 }, |
| 600 | { 0x3003, 0x1 }, |
| 601 | { 0xffff, 0xff }, |
| 602 | }; |
| 603 | |
| 604 | struct ov5642_datafmt { |
| 605 | enum v4l2_mbus_pixelcode code; |
| 606 | enum v4l2_colorspace colorspace; |
| 607 | }; |
| 608 | |
| 609 | struct ov5642 { |
| 610 | struct v4l2_subdev subdev; |
| 611 | const struct ov5642_datafmt *fmt; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 612 | struct v4l2_rect crop_rect; |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 613 | struct v4l2_clk *clk; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 614 | |
| 615 | /* blanking information */ |
| 616 | int total_width; |
| 617 | int total_height; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 618 | }; |
| 619 | |
| 620 | static const struct ov5642_datafmt ov5642_colour_fmts[] = { |
| 621 | {V4L2_MBUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_JPEG}, |
| 622 | }; |
| 623 | |
| 624 | static struct ov5642 *to_ov5642(const struct i2c_client *client) |
| 625 | { |
| 626 | return container_of(i2c_get_clientdata(client), struct ov5642, subdev); |
| 627 | } |
| 628 | |
| 629 | /* Find a data format by a pixel code in an array */ |
| 630 | static const struct ov5642_datafmt |
| 631 | *ov5642_find_datafmt(enum v4l2_mbus_pixelcode code) |
| 632 | { |
| 633 | int i; |
| 634 | |
| 635 | for (i = 0; i < ARRAY_SIZE(ov5642_colour_fmts); i++) |
| 636 | if (ov5642_colour_fmts[i].code == code) |
| 637 | return ov5642_colour_fmts + i; |
| 638 | |
| 639 | return NULL; |
| 640 | } |
| 641 | |
| 642 | static int reg_read(struct i2c_client *client, u16 reg, u8 *val) |
| 643 | { |
| 644 | int ret; |
Jonathan McCrohan | f58c91c | 2013-10-20 21:34:01 -0300 | [diff] [blame] | 645 | /* We have 16-bit i2c addresses - care for endianness */ |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 646 | unsigned char data[2] = { reg >> 8, reg & 0xff }; |
| 647 | |
| 648 | ret = i2c_master_send(client, data, 2); |
| 649 | if (ret < 2) { |
| 650 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", |
| 651 | __func__, reg); |
| 652 | return ret < 0 ? ret : -EIO; |
| 653 | } |
| 654 | |
| 655 | ret = i2c_master_recv(client, val, 1); |
| 656 | if (ret < 1) { |
| 657 | dev_err(&client->dev, "%s: i2c read error, reg: %x\n", |
| 658 | __func__, reg); |
| 659 | return ret < 0 ? ret : -EIO; |
| 660 | } |
| 661 | return 0; |
| 662 | } |
| 663 | |
| 664 | static int reg_write(struct i2c_client *client, u16 reg, u8 val) |
| 665 | { |
| 666 | int ret; |
| 667 | unsigned char data[3] = { reg >> 8, reg & 0xff, val }; |
| 668 | |
| 669 | ret = i2c_master_send(client, data, 3); |
| 670 | if (ret < 3) { |
| 671 | dev_err(&client->dev, "%s: i2c write error, reg: %x\n", |
| 672 | __func__, reg); |
| 673 | return ret < 0 ? ret : -EIO; |
| 674 | } |
| 675 | |
| 676 | return 0; |
| 677 | } |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 678 | |
| 679 | /* |
| 680 | * convenience function to write 16 bit register values that are split up |
| 681 | * into two consecutive high and low parts |
| 682 | */ |
| 683 | static int reg_write16(struct i2c_client *client, u16 reg, u16 val16) |
| 684 | { |
| 685 | int ret; |
| 686 | |
| 687 | ret = reg_write(client, reg, val16 >> 8); |
| 688 | if (ret) |
| 689 | return ret; |
| 690 | return reg_write(client, reg + 1, val16 & 0x00ff); |
| 691 | } |
| 692 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 693 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 694 | static int ov5642_get_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg) |
| 695 | { |
| 696 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 697 | int ret; |
| 698 | u8 val; |
| 699 | |
| 700 | if (reg->reg & ~0xffff) |
| 701 | return -EINVAL; |
| 702 | |
| 703 | reg->size = 1; |
| 704 | |
| 705 | ret = reg_read(client, reg->reg, &val); |
| 706 | if (!ret) |
| 707 | reg->val = (__u64)val; |
| 708 | |
| 709 | return ret; |
| 710 | } |
| 711 | |
Hans Verkuil | 977ba3b | 2013-03-24 08:28:46 -0300 | [diff] [blame] | 712 | static int ov5642_set_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg) |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 713 | { |
| 714 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 715 | |
| 716 | if (reg->reg & ~0xffff || reg->val & ~0xff) |
| 717 | return -EINVAL; |
| 718 | |
| 719 | return reg_write(client, reg->reg, reg->val); |
| 720 | } |
| 721 | #endif |
| 722 | |
| 723 | static int ov5642_write_array(struct i2c_client *client, |
| 724 | struct regval_list *vals) |
| 725 | { |
| 726 | while (vals->reg_num != 0xffff || vals->value != 0xff) { |
| 727 | int ret = reg_write(client, vals->reg_num, vals->value); |
| 728 | if (ret < 0) |
| 729 | return ret; |
| 730 | vals++; |
| 731 | } |
| 732 | dev_dbg(&client->dev, "Register list loaded\n"); |
| 733 | return 0; |
| 734 | } |
| 735 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 736 | static int ov5642_set_resolution(struct v4l2_subdev *sd) |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 737 | { |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 738 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 739 | struct ov5642 *priv = to_ov5642(client); |
| 740 | int width = priv->crop_rect.width; |
| 741 | int height = priv->crop_rect.height; |
| 742 | int total_width = priv->total_width; |
| 743 | int total_height = priv->total_height; |
| 744 | int start_x = (OV5642_SENSOR_SIZE_X - width) / 2; |
| 745 | int start_y = (OV5642_SENSOR_SIZE_Y - height) / 2; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 746 | int ret; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 747 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 748 | /* |
| 749 | * This should set the starting point for cropping. |
| 750 | * Doesn't work so far. |
| 751 | */ |
| 752 | ret = reg_write16(client, REG_WINDOW_START_X_HIGH, start_x); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 753 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 754 | ret = reg_write16(client, REG_WINDOW_START_Y_HIGH, start_y); |
| 755 | if (!ret) { |
| 756 | priv->crop_rect.left = start_x; |
| 757 | priv->crop_rect.top = start_y; |
| 758 | } |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 759 | |
| 760 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 761 | ret = reg_write16(client, REG_WINDOW_WIDTH_HIGH, width); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 762 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 763 | ret = reg_write16(client, REG_WINDOW_HEIGHT_HIGH, height); |
| 764 | if (ret) |
| 765 | return ret; |
| 766 | priv->crop_rect.width = width; |
| 767 | priv->crop_rect.height = height; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 768 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 769 | /* Set the output window size. Only 1:1 scale is supported so far. */ |
| 770 | ret = reg_write16(client, REG_OUT_WIDTH_HIGH, width); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 771 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 772 | ret = reg_write16(client, REG_OUT_HEIGHT_HIGH, height); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 773 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 774 | /* Total width = output size + blanking */ |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 775 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 776 | ret = reg_write16(client, REG_OUT_TOTAL_WIDTH_HIGH, total_width); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 777 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 778 | ret = reg_write16(client, REG_OUT_TOTAL_HEIGHT_HIGH, total_height); |
| 779 | |
| 780 | /* Sets the window for AWB calculations */ |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 781 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 782 | ret = reg_write16(client, REG_AVG_WINDOW_END_X_HIGH, width); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 783 | if (!ret) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 784 | ret = reg_write16(client, REG_AVG_WINDOW_END_Y_HIGH, height); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 785 | |
| 786 | return ret; |
| 787 | } |
| 788 | |
| 789 | static int ov5642_try_fmt(struct v4l2_subdev *sd, |
| 790 | struct v4l2_mbus_framefmt *mf) |
| 791 | { |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 792 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 793 | struct ov5642 *priv = to_ov5642(client); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 794 | const struct ov5642_datafmt *fmt = ov5642_find_datafmt(mf->code); |
| 795 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 796 | mf->width = priv->crop_rect.width; |
| 797 | mf->height = priv->crop_rect.height; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 798 | |
| 799 | if (!fmt) { |
| 800 | mf->code = ov5642_colour_fmts[0].code; |
| 801 | mf->colorspace = ov5642_colour_fmts[0].colorspace; |
| 802 | } |
| 803 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 804 | mf->field = V4L2_FIELD_NONE; |
| 805 | |
| 806 | return 0; |
| 807 | } |
| 808 | |
| 809 | static int ov5642_s_fmt(struct v4l2_subdev *sd, |
| 810 | struct v4l2_mbus_framefmt *mf) |
| 811 | { |
| 812 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 813 | struct ov5642 *priv = to_ov5642(client); |
| 814 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 815 | /* MIPI CSI could have changed the format, double-check */ |
| 816 | if (!ov5642_find_datafmt(mf->code)) |
| 817 | return -EINVAL; |
| 818 | |
| 819 | ov5642_try_fmt(sd, mf); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 820 | priv->fmt = ov5642_find_datafmt(mf->code); |
| 821 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 822 | return 0; |
| 823 | } |
| 824 | |
| 825 | static int ov5642_g_fmt(struct v4l2_subdev *sd, |
| 826 | struct v4l2_mbus_framefmt *mf) |
| 827 | { |
| 828 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 829 | struct ov5642 *priv = to_ov5642(client); |
| 830 | |
| 831 | const struct ov5642_datafmt *fmt = priv->fmt; |
| 832 | |
| 833 | mf->code = fmt->code; |
| 834 | mf->colorspace = fmt->colorspace; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 835 | mf->width = priv->crop_rect.width; |
| 836 | mf->height = priv->crop_rect.height; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 837 | mf->field = V4L2_FIELD_NONE; |
| 838 | |
| 839 | return 0; |
| 840 | } |
| 841 | |
| 842 | static int ov5642_enum_fmt(struct v4l2_subdev *sd, unsigned int index, |
| 843 | enum v4l2_mbus_pixelcode *code) |
| 844 | { |
| 845 | if (index >= ARRAY_SIZE(ov5642_colour_fmts)) |
| 846 | return -EINVAL; |
| 847 | |
| 848 | *code = ov5642_colour_fmts[index].code; |
| 849 | return 0; |
| 850 | } |
| 851 | |
Hans Verkuil | 4f99659 | 2012-09-05 05:10:48 -0300 | [diff] [blame] | 852 | static int ov5642_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a) |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 853 | { |
| 854 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 855 | struct ov5642 *priv = to_ov5642(client); |
Hans Verkuil | 4f99659 | 2012-09-05 05:10:48 -0300 | [diff] [blame] | 856 | struct v4l2_rect rect = a->c; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 857 | int ret; |
| 858 | |
Hans Verkuil | 4f99659 | 2012-09-05 05:10:48 -0300 | [diff] [blame] | 859 | v4l_bound_align_image(&rect.width, 48, OV5642_MAX_WIDTH, 1, |
| 860 | &rect.height, 32, OV5642_MAX_HEIGHT, 1, 0); |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 861 | |
Hans Verkuil | 4f99659 | 2012-09-05 05:10:48 -0300 | [diff] [blame] | 862 | priv->crop_rect.width = rect.width; |
| 863 | priv->crop_rect.height = rect.height; |
| 864 | priv->total_width = rect.width + BLANKING_EXTRA_WIDTH; |
| 865 | priv->total_height = max_t(int, rect.height + |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 866 | BLANKING_EXTRA_HEIGHT, |
| 867 | BLANKING_MIN_HEIGHT); |
Hans Verkuil | 4f99659 | 2012-09-05 05:10:48 -0300 | [diff] [blame] | 868 | priv->crop_rect.width = rect.width; |
| 869 | priv->crop_rect.height = rect.height; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 870 | |
| 871 | ret = ov5642_write_array(client, ov5642_default_regs_init); |
| 872 | if (!ret) |
| 873 | ret = ov5642_set_resolution(sd); |
| 874 | if (!ret) |
| 875 | ret = ov5642_write_array(client, ov5642_default_regs_finalise); |
| 876 | |
| 877 | return ret; |
| 878 | } |
| 879 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 880 | static int ov5642_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) |
| 881 | { |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 882 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 883 | struct ov5642 *priv = to_ov5642(client); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 884 | struct v4l2_rect *rect = &a->c; |
| 885 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 886 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 887 | return -EINVAL; |
| 888 | |
| 889 | *rect = priv->crop_rect; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 890 | |
| 891 | return 0; |
| 892 | } |
| 893 | |
| 894 | static int ov5642_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a) |
| 895 | { |
| 896 | a->bounds.left = 0; |
| 897 | a->bounds.top = 0; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 898 | a->bounds.width = OV5642_MAX_WIDTH; |
| 899 | a->bounds.height = OV5642_MAX_HEIGHT; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 900 | a->defrect = a->bounds; |
| 901 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 902 | a->pixelaspect.numerator = 1; |
| 903 | a->pixelaspect.denominator = 1; |
| 904 | |
| 905 | return 0; |
| 906 | } |
| 907 | |
Guennadi Liakhovetski | 93ac81d | 2011-07-26 12:01:01 -0300 | [diff] [blame] | 908 | static int ov5642_g_mbus_config(struct v4l2_subdev *sd, |
| 909 | struct v4l2_mbus_config *cfg) |
| 910 | { |
| 911 | cfg->type = V4L2_MBUS_CSI2; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 912 | cfg->flags = V4L2_MBUS_CSI2_2_LANE | V4L2_MBUS_CSI2_CHANNEL_0 | |
| 913 | V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; |
Guennadi Liakhovetski | 93ac81d | 2011-07-26 12:01:01 -0300 | [diff] [blame] | 914 | |
| 915 | return 0; |
| 916 | } |
| 917 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 918 | static int ov5642_s_power(struct v4l2_subdev *sd, int on) |
| 919 | { |
Laurent Pinchart | 4ec10ba | 2012-07-20 10:19:50 -0300 | [diff] [blame] | 920 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
Guennadi Liakhovetski | 25a3481 | 2012-12-21 08:11:48 -0300 | [diff] [blame] | 921 | struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 922 | struct ov5642 *priv = to_ov5642(client); |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 923 | int ret; |
| 924 | |
| 925 | if (!on) |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 926 | return soc_camera_power_off(&client->dev, ssdd, priv->clk); |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 927 | |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 928 | ret = soc_camera_power_on(&client->dev, ssdd, priv->clk); |
Laurent Pinchart | 4ec10ba | 2012-07-20 10:19:50 -0300 | [diff] [blame] | 929 | if (ret < 0) |
| 930 | return ret; |
| 931 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 932 | ret = ov5642_write_array(client, ov5642_default_regs_init); |
| 933 | if (!ret) |
| 934 | ret = ov5642_set_resolution(sd); |
| 935 | if (!ret) |
| 936 | ret = ov5642_write_array(client, ov5642_default_regs_finalise); |
| 937 | |
| 938 | return ret; |
| 939 | } |
| 940 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 941 | static struct v4l2_subdev_video_ops ov5642_subdev_video_ops = { |
| 942 | .s_mbus_fmt = ov5642_s_fmt, |
| 943 | .g_mbus_fmt = ov5642_g_fmt, |
| 944 | .try_mbus_fmt = ov5642_try_fmt, |
| 945 | .enum_mbus_fmt = ov5642_enum_fmt, |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 946 | .s_crop = ov5642_s_crop, |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 947 | .g_crop = ov5642_g_crop, |
| 948 | .cropcap = ov5642_cropcap, |
Guennadi Liakhovetski | 93ac81d | 2011-07-26 12:01:01 -0300 | [diff] [blame] | 949 | .g_mbus_config = ov5642_g_mbus_config, |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 950 | }; |
| 951 | |
| 952 | static struct v4l2_subdev_core_ops ov5642_subdev_core_ops = { |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 953 | .s_power = ov5642_s_power, |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 954 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
| 955 | .g_register = ov5642_get_register, |
| 956 | .s_register = ov5642_set_register, |
| 957 | #endif |
| 958 | }; |
| 959 | |
| 960 | static struct v4l2_subdev_ops ov5642_subdev_ops = { |
| 961 | .core = &ov5642_subdev_core_ops, |
| 962 | .video = &ov5642_subdev_video_ops, |
| 963 | }; |
| 964 | |
Guennadi Liakhovetski | 14178aa | 2011-09-21 15:16:30 -0300 | [diff] [blame] | 965 | static int ov5642_video_probe(struct i2c_client *client) |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 966 | { |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 967 | struct v4l2_subdev *subdev = i2c_get_clientdata(client); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 968 | int ret; |
| 969 | u8 id_high, id_low; |
| 970 | u16 id; |
| 971 | |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 972 | ret = ov5642_s_power(subdev, 1); |
| 973 | if (ret < 0) |
| 974 | return ret; |
| 975 | |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 976 | /* Read sensor Model ID */ |
| 977 | ret = reg_read(client, REG_CHIP_ID_HIGH, &id_high); |
| 978 | if (ret < 0) |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 979 | goto done; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 980 | |
| 981 | id = id_high << 8; |
| 982 | |
| 983 | ret = reg_read(client, REG_CHIP_ID_LOW, &id_low); |
| 984 | if (ret < 0) |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 985 | goto done; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 986 | |
| 987 | id |= id_low; |
| 988 | |
| 989 | dev_info(&client->dev, "Chip ID 0x%04x detected\n", id); |
| 990 | |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 991 | if (id != 0x5642) { |
| 992 | ret = -ENODEV; |
| 993 | goto done; |
| 994 | } |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 995 | |
Laurent Pinchart | 4bbc6d5 | 2012-07-18 10:54:04 -0300 | [diff] [blame] | 996 | ret = 0; |
| 997 | |
| 998 | done: |
| 999 | ov5642_s_power(subdev, 0); |
| 1000 | return ret; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1001 | } |
| 1002 | |
| 1003 | static int ov5642_probe(struct i2c_client *client, |
| 1004 | const struct i2c_device_id *did) |
| 1005 | { |
| 1006 | struct ov5642 *priv; |
Guennadi Liakhovetski | 25a3481 | 2012-12-21 08:11:48 -0300 | [diff] [blame] | 1007 | struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 1008 | int ret; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1009 | |
Guennadi Liakhovetski | 25a3481 | 2012-12-21 08:11:48 -0300 | [diff] [blame] | 1010 | if (!ssdd) { |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1011 | dev_err(&client->dev, "OV5642: missing platform data!\n"); |
| 1012 | return -EINVAL; |
| 1013 | } |
| 1014 | |
Guennadi Liakhovetski | 70e176a | 2012-12-21 10:28:43 -0300 | [diff] [blame] | 1015 | priv = devm_kzalloc(&client->dev, sizeof(struct ov5642), GFP_KERNEL); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1016 | if (!priv) |
| 1017 | return -ENOMEM; |
| 1018 | |
| 1019 | v4l2_i2c_subdev_init(&priv->subdev, client, &ov5642_subdev_ops); |
| 1020 | |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 1021 | priv->fmt = &ov5642_colour_fmts[0]; |
| 1022 | |
| 1023 | priv->crop_rect.width = OV5642_DEFAULT_WIDTH; |
| 1024 | priv->crop_rect.height = OV5642_DEFAULT_HEIGHT; |
| 1025 | priv->crop_rect.left = (OV5642_MAX_WIDTH - OV5642_DEFAULT_WIDTH) / 2; |
| 1026 | priv->crop_rect.top = (OV5642_MAX_HEIGHT - OV5642_DEFAULT_HEIGHT) / 2; |
Bastian Hecht | 171f1a4 | 2011-09-08 13:15:24 -0300 | [diff] [blame] | 1027 | priv->total_width = OV5642_DEFAULT_WIDTH + BLANKING_EXTRA_WIDTH; |
| 1028 | priv->total_height = BLANKING_MIN_HEIGHT; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1029 | |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 1030 | priv->clk = v4l2_clk_get(&client->dev, "mclk"); |
| 1031 | if (IS_ERR(priv->clk)) |
| 1032 | return PTR_ERR(priv->clk); |
| 1033 | |
| 1034 | ret = ov5642_video_probe(client); |
| 1035 | if (ret < 0) |
| 1036 | v4l2_clk_put(priv->clk); |
| 1037 | |
| 1038 | return ret; |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1039 | } |
| 1040 | |
| 1041 | static int ov5642_remove(struct i2c_client *client) |
| 1042 | { |
Guennadi Liakhovetski | 25a3481 | 2012-12-21 08:11:48 -0300 | [diff] [blame] | 1043 | struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client); |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 1044 | struct ov5642 *priv = to_ov5642(client); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1045 | |
Guennadi Liakhovetski | 9aea470 | 2012-12-21 13:01:55 -0300 | [diff] [blame] | 1046 | v4l2_clk_put(priv->clk); |
Guennadi Liakhovetski | 25a3481 | 2012-12-21 08:11:48 -0300 | [diff] [blame] | 1047 | if (ssdd->free_bus) |
| 1048 | ssdd->free_bus(ssdd); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1049 | |
| 1050 | return 0; |
| 1051 | } |
| 1052 | |
| 1053 | static const struct i2c_device_id ov5642_id[] = { |
| 1054 | { "ov5642", 0 }, |
| 1055 | { } |
| 1056 | }; |
| 1057 | MODULE_DEVICE_TABLE(i2c, ov5642_id); |
| 1058 | |
| 1059 | static struct i2c_driver ov5642_i2c_driver = { |
| 1060 | .driver = { |
| 1061 | .name = "ov5642", |
| 1062 | }, |
| 1063 | .probe = ov5642_probe, |
| 1064 | .remove = ov5642_remove, |
| 1065 | .id_table = ov5642_id, |
| 1066 | }; |
| 1067 | |
Axel Lin | c6e8d86 | 2012-02-12 06:56:32 -0300 | [diff] [blame] | 1068 | module_i2c_driver(ov5642_i2c_driver); |
Bastian Hecht | b52a851 | 2011-06-24 07:57:36 -0300 | [diff] [blame] | 1069 | |
| 1070 | MODULE_DESCRIPTION("Omnivision OV5642 Camera driver"); |
| 1071 | MODULE_AUTHOR("Bastian Hecht <hechtb@gmail.com>"); |
| 1072 | MODULE_LICENSE("GPL v2"); |