drivers/media/i2c/ov5670.c

   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 OV5670_REG_CHIP_ID              0x300a
  13 #define OV5670_CHIP_ID                  0x005670
  14
  15 #define OV5670_REG_MODE_SELECT          0x0100
  16 #define OV5670_MODE_STANDBY             0x00
  17 #define OV5670_MODE_STREAMING           0x01
  18
  19 #define OV5670_REG_SOFTWARE_RST         0x0103
  20 #define OV5670_SOFTWARE_RST             0x01
  21
  22 /* vertical-timings from sensor */
  23 #define OV5670_REG_VTS                  0x380e
  24 #define OV5670_VTS_30FPS                0x0808 /* default for 30 fps */
  25 #define OV5670_VTS_MAX                  0xffff
  26
  27 /* horizontal-timings from sensor */
  28 #define OV5670_REG_HTS                  0x380c
  29
  30 /*
  31  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
  32  * In OV5670, Time-per-line = HTS/SCLK.
  33  * HTS is fixed for all resolutions, not recommended to change.
  34  */
  35 #define OV5670_FIXED_PPL                2724    /* Pixels per line */
  36
  37 /* Exposure controls from sensor */
  38 #define OV5670_REG_EXPOSURE             0x3500
  39 #define OV5670_EXPOSURE_MIN             4
  40 #define OV5670_EXPOSURE_STEP            1
  41
  42 /* Analog gain controls from sensor */
  43 #define OV5670_REG_ANALOG_GAIN          0x3508
  44 #define ANALOG_GAIN_MIN                 0
  45 #define ANALOG_GAIN_MAX                 8191
  46 #define ANALOG_GAIN_STEP                1
  47 #define ANALOG_GAIN_DEFAULT             128
  48
  49 /* Digital gain controls from sensor */
  50 #define OV5670_REG_R_DGTL_GAIN          0x5032
  51 #define OV5670_REG_G_DGTL_GAIN          0x5034
  52 #define OV5670_REG_B_DGTL_GAIN          0x5036
  53 #define OV5670_DGTL_GAIN_MIN            0
  54 #define OV5670_DGTL_GAIN_MAX            4095
  55 #define OV5670_DGTL_GAIN_STEP           1
  56 #define OV5670_DGTL_GAIN_DEFAULT        1024
  57
  58 /* Test Pattern Control */
  59 #define OV5670_REG_TEST_PATTERN         0x4303
  60 #define OV5670_TEST_PATTERN_ENABLE      BIT(3)
  61 #define OV5670_REG_TEST_PATTERN_CTRL    0x4320
  62
  63 #define OV5670_REG_VALUE_08BIT          1
  64 #define OV5670_REG_VALUE_16BIT          2
  65 #define OV5670_REG_VALUE_24BIT          3
  66
  67 /* Initial number of frames to skip to avoid possible garbage */
  68 #define OV5670_NUM_OF_SKIP_FRAMES       2
  69
  70 struct ov5670_reg {
  71         u16 address;
  72         u8 val;
  73 };
  74
  75 struct ov5670_reg_list {
  76         u32 num_of_regs;
  77         const struct ov5670_reg *regs;
  78 };
  79
  80 struct ov5670_link_freq_config {
  81         u32 pixel_rate;
  82         const struct ov5670_reg_list reg_list;
  83 };
  84
  85 struct ov5670_mode {
  86         /* Frame width in pixels */
  87         u32 width;
  88
  89         /* Frame height in pixels */
  90         u32 height;
  91
  92         /* Default vertical timining size */
  93         u32 vts_def;
  94
  95         /* Min vertical timining size */
  96         u32 vts_min;
  97
  98         /* Link frequency needed for this resolution */
  99         u32 link_freq_index;
 100
 101         /* Sensor register settings for this resolution */
 102         const struct ov5670_reg_list reg_list;
 103 };
 104
 105 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
 106         {0x0300, 0x04},
 107         {0x0301, 0x00},
 108         {0x0302, 0x84},
 109         {0x0303, 0x00},
 110         {0x0304, 0x03},
 111         {0x0305, 0x01},
 112         {0x0306, 0x01},
 113         {0x030a, 0x00},
 114         {0x030b, 0x00},
 115         {0x030c, 0x00},
 116         {0x030d, 0x26},
 117         {0x030e, 0x00},
 118         {0x030f, 0x06},
 119         {0x0312, 0x01},
 120         {0x3031, 0x0a},
 121 };
 122
 123 static const struct ov5670_reg mode_2592x1944_regs[] = {
 124         {0x3000, 0x00},
 125         {0x3002, 0x21},
 126         {0x3005, 0xf0},
 127         {0x3007, 0x00},
 128         {0x3015, 0x0f},
 129         {0x3018, 0x32},
 130         {0x301a, 0xf0},
 131         {0x301b, 0xf0},
 132         {0x301c, 0xf0},
 133         {0x301d, 0xf0},
 134         {0x301e, 0xf0},
 135         {0x3030, 0x00},
 136         {0x3031, 0x0a},
 137         {0x303c, 0xff},
 138         {0x303e, 0xff},
 139         {0x3040, 0xf0},
 140         {0x3041, 0x00},
 141         {0x3042, 0xf0},
 142         {0x3106, 0x11},
 143         {0x3500, 0x00},
 144         {0x3501, 0x80},
 145         {0x3502, 0x00},
 146         {0x3503, 0x04},
 147         {0x3504, 0x03},
 148         {0x3505, 0x83},
 149         {0x3508, 0x04},
 150         {0x3509, 0x00},
 151         {0x350e, 0x04},
 152         {0x350f, 0x00},
 153         {0x3510, 0x00},
 154         {0x3511, 0x02},
 155         {0x3512, 0x00},
 156         {0x3601, 0xc8},
 157         {0x3610, 0x88},
 158         {0x3612, 0x48},
 159         {0x3614, 0x5b},
 160         {0x3615, 0x96},
 161         {0x3621, 0xd0},
 162         {0x3622, 0x00},
 163         {0x3623, 0x00},
 164         {0x3633, 0x13},
 165         {0x3634, 0x13},
 166         {0x3635, 0x13},
 167         {0x3636, 0x13},
 168         {0x3645, 0x13},
 169         {0x3646, 0x82},
 170         {0x3650, 0x00},
 171         {0x3652, 0xff},
 172         {0x3655, 0x20},
 173         {0x3656, 0xff},
 174         {0x365a, 0xff},
 175         {0x365e, 0xff},
 176         {0x3668, 0x00},
 177         {0x366a, 0x07},
 178         {0x366e, 0x10},
 179         {0x366d, 0x00},
 180         {0x366f, 0x80},
 181         {0x3700, 0x28},
 182         {0x3701, 0x10},
 183         {0x3702, 0x3a},
 184         {0x3703, 0x19},
 185         {0x3704, 0x10},
 186         {0x3705, 0x00},
 187         {0x3706, 0x66},
 188         {0x3707, 0x08},
 189         {0x3708, 0x34},
 190         {0x3709, 0x40},
 191         {0x370a, 0x01},
 192         {0x370b, 0x1b},
 193         {0x3714, 0x24},
 194         {0x371a, 0x3e},
 195         {0x3733, 0x00},
 196         {0x3734, 0x00},
 197         {0x373a, 0x05},
 198         {0x373b, 0x06},
 199         {0x373c, 0x0a},
 200         {0x373f, 0xa0},
 201         {0x3755, 0x00},
 202         {0x3758, 0x00},
 203         {0x375b, 0x0e},
 204         {0x3766, 0x5f},
 205         {0x3768, 0x00},
 206         {0x3769, 0x22},
 207         {0x3773, 0x08},
 208         {0x3774, 0x1f},
 209         {0x3776, 0x06},
 210         {0x37a0, 0x88},
 211         {0x37a1, 0x5c},
 212         {0x37a7, 0x88},
 213         {0x37a8, 0x70},
 214         {0x37aa, 0x88},
 215         {0x37ab, 0x48},
 216         {0x37b3, 0x66},
 217         {0x37c2, 0x04},
 218         {0x37c5, 0x00},
 219         {0x37c8, 0x00},
 220         {0x3800, 0x00},
 221         {0x3801, 0x0c},
 222         {0x3802, 0x00},
 223         {0x3803, 0x04},
 224         {0x3804, 0x0a},
 225         {0x3805, 0x33},
 226         {0x3806, 0x07},
 227         {0x3807, 0xa3},
 228         {0x3808, 0x0a},
 229         {0x3809, 0x20},
 230         {0x380a, 0x07},
 231         {0x380b, 0x98},
 232         {0x380c, 0x06},
 233         {0x380d, 0x90},
 234         {0x380e, 0x08},
 235         {0x380f, 0x08},
 236         {0x3811, 0x04},
 237         {0x3813, 0x02},
 238         {0x3814, 0x01},
 239         {0x3815, 0x01},
 240         {0x3816, 0x00},
 241         {0x3817, 0x00},
 242         {0x3818, 0x00},
 243         {0x3819, 0x00},
 244         {0x3820, 0x84},
 245         {0x3821, 0x46},
 246         {0x3822, 0x48},
 247         {0x3826, 0x00},
 248         {0x3827, 0x08},
 249         {0x382a, 0x01},
 250         {0x382b, 0x01},
 251         {0x3830, 0x08},
 252         {0x3836, 0x02},
 253         {0x3837, 0x00},
 254         {0x3838, 0x10},
 255         {0x3841, 0xff},
 256         {0x3846, 0x48},
 257         {0x3861, 0x00},
 258         {0x3862, 0x04},
 259         {0x3863, 0x06},
 260         {0x3a11, 0x01},
 261         {0x3a12, 0x78},
 262         {0x3b00, 0x00},
 263         {0x3b02, 0x00},
 264         {0x3b03, 0x00},
 265         {0x3b04, 0x00},
 266         {0x3b05, 0x00},
 267         {0x3c00, 0x89},
 268         {0x3c01, 0xab},
 269         {0x3c02, 0x01},
 270         {0x3c03, 0x00},
 271         {0x3c04, 0x00},
 272         {0x3c05, 0x03},
 273         {0x3c06, 0x00},
 274         {0x3c07, 0x05},
 275         {0x3c0c, 0x00},
 276         {0x3c0d, 0x00},
 277         {0x3c0e, 0x00},
 278         {0x3c0f, 0x00},
 279         {0x3c40, 0x00},
 280         {0x3c41, 0xa3},
 281         {0x3c43, 0x7d},
 282         {0x3c45, 0xd7},
 283         {0x3c47, 0xfc},
 284         {0x3c50, 0x05},
 285         {0x3c52, 0xaa},
 286         {0x3c54, 0x71},
 287         {0x3c56, 0x80},
 288         {0x3d85, 0x17},
 289         {0x3f03, 0x00},
 290         {0x3f0a, 0x00},
 291         {0x3f0b, 0x00},
 292         {0x4001, 0x60},
 293         {0x4009, 0x0d},
 294         {0x4020, 0x00},
 295         {0x4021, 0x00},
 296         {0x4022, 0x00},
 297         {0x4023, 0x00},
 298         {0x4024, 0x00},
 299         {0x4025, 0x00},
 300         {0x4026, 0x00},
 301         {0x4027, 0x00},
 302         {0x4028, 0x00},
 303         {0x4029, 0x00},
 304         {0x402a, 0x00},
 305         {0x402b, 0x00},
 306         {0x402c, 0x00},
 307         {0x402d, 0x00},
 308         {0x402e, 0x00},
 309         {0x402f, 0x00},
 310         {0x4040, 0x00},
 311         {0x4041, 0x03},
 312         {0x4042, 0x00},
 313         {0x4043, 0x7A},
 314         {0x4044, 0x00},
 315         {0x4045, 0x7A},
 316         {0x4046, 0x00},
 317         {0x4047, 0x7A},
 318         {0x4048, 0x00},
 319         {0x4049, 0x7A},
 320         {0x4307, 0x30},
 321         {0x4500, 0x58},
 322         {0x4501, 0x04},
 323         {0x4502, 0x40},
 324         {0x4503, 0x10},
 325         {0x4508, 0xaa},
 326         {0x4509, 0xaa},
 327         {0x450a, 0x00},
 328         {0x450b, 0x00},
 329         {0x4600, 0x01},
 330         {0x4601, 0x03},
 331         {0x4700, 0xa4},
 332         {0x4800, 0x4c},
 333         {0x4816, 0x53},
 334         {0x481f, 0x40},
 335         {0x4837, 0x13},
 336         {0x5000, 0x56},
 337         {0x5001, 0x01},
 338         {0x5002, 0x28},
 339         {0x5004, 0x0c},
 340         {0x5006, 0x0c},
 341         {0x5007, 0xe0},
 342         {0x5008, 0x01},
 343         {0x5009, 0xb0},
 344         {0x5901, 0x00},
 345         {0x5a01, 0x00},
 346         {0x5a03, 0x00},
 347         {0x5a04, 0x0c},
 348         {0x5a05, 0xe0},
 349         {0x5a06, 0x09},
 350         {0x5a07, 0xb0},
 351         {0x5a08, 0x06},
 352         {0x5e00, 0x00},
 353         {0x3734, 0x40},
 354         {0x5b00, 0x01},
 355         {0x5b01, 0x10},
 356         {0x5b02, 0x01},
 357         {0x5b03, 0xdb},
 358         {0x3d8c, 0x71},
 359         {0x3d8d, 0xea},
 360         {0x4017, 0x08},
 361         {0x3618, 0x2a},
 362         {0x5780, 0x3e},
 363         {0x5781, 0x0f},
 364         {0x5782, 0x44},
 365         {0x5783, 0x02},
 366         {0x5784, 0x01},
 367         {0x5785, 0x01},
 368         {0x5786, 0x00},
 369         {0x5787, 0x04},
 370         {0x5788, 0x02},
 371         {0x5789, 0x0f},
 372         {0x578a, 0xfd},
 373         {0x578b, 0xf5},
 374         {0x578c, 0xf5},
 375         {0x578d, 0x03},
 376         {0x578e, 0x08},
 377         {0x578f, 0x0c},
 378         {0x5790, 0x08},
 379         {0x5791, 0x06},
 380         {0x5792, 0x00},
 381         {0x5793, 0x52},
 382         {0x5794, 0xa3},
 383         {0x3503, 0x00},
 384         {0x5045, 0x05},
 385         {0x4003, 0x40},
 386         {0x5048, 0x40}
 387 };
 388
 389 static const struct ov5670_reg mode_1296x972_regs[] = {
 390         {0x3000, 0x00},
 391         {0x3002, 0x21},
 392         {0x3005, 0xf0},
 393         {0x3007, 0x00},
 394         {0x3015, 0x0f},
 395         {0x3018, 0x32},
 396         {0x301a, 0xf0},
 397         {0x301b, 0xf0},
 398         {0x301c, 0xf0},
 399         {0x301d, 0xf0},
 400         {0x301e, 0xf0},
 401         {0x3030, 0x00},
 402         {0x3031, 0x0a},
 403         {0x303c, 0xff},
 404         {0x303e, 0xff},
 405         {0x3040, 0xf0},
 406         {0x3041, 0x00},
 407         {0x3042, 0xf0},
 408         {0x3106, 0x11},
 409         {0x3500, 0x00},
 410         {0x3501, 0x80},
 411         {0x3502, 0x00},
 412         {0x3503, 0x04},
 413         {0x3504, 0x03},
 414         {0x3505, 0x83},
 415         {0x3508, 0x07},
 416         {0x3509, 0x80},
 417         {0x350e, 0x04},
 418         {0x350f, 0x00},
 419         {0x3510, 0x00},
 420         {0x3511, 0x02},
 421         {0x3512, 0x00},
 422         {0x3601, 0xc8},
 423         {0x3610, 0x88},
 424         {0x3612, 0x48},
 425         {0x3614, 0x5b},
 426         {0x3615, 0x96},
 427         {0x3621, 0xd0},
 428         {0x3622, 0x00},
 429         {0x3623, 0x00},
 430         {0x3633, 0x13},
 431         {0x3634, 0x13},
 432         {0x3635, 0x13},
 433         {0x3636, 0x13},
 434         {0x3645, 0x13},
 435         {0x3646, 0x82},
 436         {0x3650, 0x00},
 437         {0x3652, 0xff},
 438         {0x3655, 0x20},
 439         {0x3656, 0xff},
 440         {0x365a, 0xff},
 441         {0x365e, 0xff},
 442         {0x3668, 0x00},
 443         {0x366a, 0x07},
 444         {0x366e, 0x08},
 445         {0x366d, 0x00},
 446         {0x366f, 0x80},
 447         {0x3700, 0x28},
 448         {0x3701, 0x10},
 449         {0x3702, 0x3a},
 450         {0x3703, 0x19},
 451         {0x3704, 0x10},
 452         {0x3705, 0x00},
 453         {0x3706, 0x66},
 454         {0x3707, 0x08},
 455         {0x3708, 0x34},
 456         {0x3709, 0x40},
 457         {0x370a, 0x01},
 458         {0x370b, 0x1b},
 459         {0x3714, 0x24},
 460         {0x371a, 0x3e},
 461         {0x3733, 0x00},
 462         {0x3734, 0x00},
 463         {0x373a, 0x05},
 464         {0x373b, 0x06},
 465         {0x373c, 0x0a},
 466         {0x373f, 0xa0},
 467         {0x3755, 0x00},
 468         {0x3758, 0x00},
 469         {0x375b, 0x0e},
 470         {0x3766, 0x5f},
 471         {0x3768, 0x00},
 472         {0x3769, 0x22},
 473         {0x3773, 0x08},
 474         {0x3774, 0x1f},
 475         {0x3776, 0x06},
 476         {0x37a0, 0x88},
 477         {0x37a1, 0x5c},
 478         {0x37a7, 0x88},
 479         {0x37a8, 0x70},
 480         {0x37aa, 0x88},
 481         {0x37ab, 0x48},
 482         {0x37b3, 0x66},
 483         {0x37c2, 0x04},
 484         {0x37c5, 0x00},
 485         {0x37c8, 0x00},
 486         {0x3800, 0x00},
 487         {0x3801, 0x0c},
 488         {0x3802, 0x00},
 489         {0x3803, 0x04},
 490         {0x3804, 0x0a},
 491         {0x3805, 0x33},
 492         {0x3806, 0x07},
 493         {0x3807, 0xa3},
 494         {0x3808, 0x05},
 495         {0x3809, 0x10},
 496         {0x380a, 0x03},
 497         {0x380b, 0xcc},
 498         {0x380c, 0x06},
 499         {0x380d, 0x90},
 500         {0x380e, 0x08},
 501         {0x380f, 0x08},
 502         {0x3811, 0x04},
 503         {0x3813, 0x04},
 504         {0x3814, 0x03},
 505         {0x3815, 0x01},
 506         {0x3816, 0x00},
 507         {0x3817, 0x00},
 508         {0x3818, 0x00},
 509         {0x3819, 0x00},
 510         {0x3820, 0x94},
 511         {0x3821, 0x47},
 512         {0x3822, 0x48},
 513         {0x3826, 0x00},
 514         {0x3827, 0x08},
 515         {0x382a, 0x03},
 516         {0x382b, 0x01},
 517         {0x3830, 0x08},
 518         {0x3836, 0x02},
 519         {0x3837, 0x00},
 520         {0x3838, 0x10},
 521         {0x3841, 0xff},
 522         {0x3846, 0x48},
 523         {0x3861, 0x00},
 524         {0x3862, 0x04},
 525         {0x3863, 0x06},
 526         {0x3a11, 0x01},
 527         {0x3a12, 0x78},
 528         {0x3b00, 0x00},
 529         {0x3b02, 0x00},
 530         {0x3b03, 0x00},
 531         {0x3b04, 0x00},
 532         {0x3b05, 0x00},
 533         {0x3c00, 0x89},
 534         {0x3c01, 0xab},
 535         {0x3c02, 0x01},
 536         {0x3c03, 0x00},
 537         {0x3c04, 0x00},
 538         {0x3c05, 0x03},
 539         {0x3c06, 0x00},
 540         {0x3c07, 0x05},
 541         {0x3c0c, 0x00},
 542         {0x3c0d, 0x00},
 543         {0x3c0e, 0x00},
 544         {0x3c0f, 0x00},
 545         {0x3c40, 0x00},
 546         {0x3c41, 0xa3},
 547         {0x3c43, 0x7d},
 548         {0x3c45, 0xd7},
 549         {0x3c47, 0xfc},
 550         {0x3c50, 0x05},
 551         {0x3c52, 0xaa},
 552         {0x3c54, 0x71},
 553         {0x3c56, 0x80},
 554         {0x3d85, 0x17},
 555         {0x3f03, 0x00},
 556         {0x3f0a, 0x00},
 557         {0x3f0b, 0x00},
 558         {0x4001, 0x60},
 559         {0x4009, 0x05},
 560         {0x4020, 0x00},
 561         {0x4021, 0x00},
 562         {0x4022, 0x00},
 563         {0x4023, 0x00},
 564         {0x4024, 0x00},
 565         {0x4025, 0x00},
 566         {0x4026, 0x00},
 567         {0x4027, 0x00},
 568         {0x4028, 0x00},
 569         {0x4029, 0x00},
 570         {0x402a, 0x00},
 571         {0x402b, 0x00},
 572         {0x402c, 0x00},
 573         {0x402d, 0x00},
 574         {0x402e, 0x00},
 575         {0x402f, 0x00},
 576         {0x4040, 0x00},
 577         {0x4041, 0x03},
 578         {0x4042, 0x00},
 579         {0x4043, 0x7A},
 580         {0x4044, 0x00},
 581         {0x4045, 0x7A},
 582         {0x4046, 0x00},
 583         {0x4047, 0x7A},
 584         {0x4048, 0x00},
 585         {0x4049, 0x7A},
 586         {0x4307, 0x30},
 587         {0x4500, 0x58},
 588         {0x4501, 0x04},
 589         {0x4502, 0x48},
 590         {0x4503, 0x10},
 591         {0x4508, 0x55},
 592         {0x4509, 0x55},
 593         {0x450a, 0x00},
 594         {0x450b, 0x00},
 595         {0x4600, 0x00},
 596         {0x4601, 0x81},
 597         {0x4700, 0xa4},
 598         {0x4800, 0x4c},
 599         {0x4816, 0x53},
 600         {0x481f, 0x40},
 601         {0x4837, 0x13},
 602         {0x5000, 0x56},
 603         {0x5001, 0x01},
 604         {0x5002, 0x28},
 605         {0x5004, 0x0c},
 606         {0x5006, 0x0c},
 607         {0x5007, 0xe0},
 608         {0x5008, 0x01},
 609         {0x5009, 0xb0},
 610         {0x5901, 0x00},
 611         {0x5a01, 0x00},
 612         {0x5a03, 0x00},
 613         {0x5a04, 0x0c},
 614         {0x5a05, 0xe0},
 615         {0x5a06, 0x09},
 616         {0x5a07, 0xb0},
 617         {0x5a08, 0x06},
 618         {0x5e00, 0x00},
 619         {0x3734, 0x40},
 620         {0x5b00, 0x01},
 621         {0x5b01, 0x10},
 622         {0x5b02, 0x01},
 623         {0x5b03, 0xdb},
 624         {0x3d8c, 0x71},
 625         {0x3d8d, 0xea},
 626         {0x4017, 0x10},
 627         {0x3618, 0x2a},
 628         {0x5780, 0x3e},
 629         {0x5781, 0x0f},
 630         {0x5782, 0x44},
 631         {0x5783, 0x02},
 632         {0x5784, 0x01},
 633         {0x5785, 0x01},
 634         {0x5786, 0x00},
 635         {0x5787, 0x04},
 636         {0x5788, 0x02},
 637         {0x5789, 0x0f},
 638         {0x578a, 0xfd},
 639         {0x578b, 0xf5},
 640         {0x578c, 0xf5},
 641         {0x578d, 0x03},
 642         {0x578e, 0x08},
 643         {0x578f, 0x0c},
 644         {0x5790, 0x08},
 645         {0x5791, 0x04},
 646         {0x5792, 0x00},
 647         {0x5793, 0x52},
 648         {0x5794, 0xa3},
 649         {0x3503, 0x00},
 650         {0x5045, 0x05},
 651         {0x4003, 0x40},
 652         {0x5048, 0x40}
 653 };
 654
 655 static const struct ov5670_reg mode_648x486_regs[] = {
 656         {0x3000, 0x00},
 657         {0x3002, 0x21},
 658         {0x3005, 0xf0},
 659         {0x3007, 0x00},
 660         {0x3015, 0x0f},
 661         {0x3018, 0x32},
 662         {0x301a, 0xf0},
 663         {0x301b, 0xf0},
 664         {0x301c, 0xf0},
 665         {0x301d, 0xf0},
 666         {0x301e, 0xf0},
 667         {0x3030, 0x00},
 668         {0x3031, 0x0a},
 669         {0x303c, 0xff},
 670         {0x303e, 0xff},
 671         {0x3040, 0xf0},
 672         {0x3041, 0x00},
 673         {0x3042, 0xf0},
 674         {0x3106, 0x11},
 675         {0x3500, 0x00},
 676         {0x3501, 0x80},
 677         {0x3502, 0x00},
 678         {0x3503, 0x04},
 679         {0x3504, 0x03},
 680         {0x3505, 0x83},
 681         {0x3508, 0x04},
 682         {0x3509, 0x00},
 683         {0x350e, 0x04},
 684         {0x350f, 0x00},
 685         {0x3510, 0x00},
 686         {0x3511, 0x02},
 687         {0x3512, 0x00},
 688         {0x3601, 0xc8},
 689         {0x3610, 0x88},
 690         {0x3612, 0x48},
 691         {0x3614, 0x5b},
 692         {0x3615, 0x96},
 693         {0x3621, 0xd0},
 694         {0x3622, 0x00},
 695         {0x3623, 0x04},
 696         {0x3633, 0x13},
 697         {0x3634, 0x13},
 698         {0x3635, 0x13},
 699         {0x3636, 0x13},
 700         {0x3645, 0x13},
 701         {0x3646, 0x82},
 702         {0x3650, 0x00},
 703         {0x3652, 0xff},
 704         {0x3655, 0x20},
 705         {0x3656, 0xff},
 706         {0x365a, 0xff},
 707         {0x365e, 0xff},
 708         {0x3668, 0x00},
 709         {0x366a, 0x07},
 710         {0x366e, 0x08},
 711         {0x366d, 0x00},
 712         {0x366f, 0x80},
 713         {0x3700, 0x28},
 714         {0x3701, 0x10},
 715         {0x3702, 0x3a},
 716         {0x3703, 0x19},
 717         {0x3704, 0x10},
 718         {0x3705, 0x00},
 719         {0x3706, 0x66},
 720         {0x3707, 0x08},
 721         {0x3708, 0x34},
 722         {0x3709, 0x40},
 723         {0x370a, 0x01},
 724         {0x370b, 0x1b},
 725         {0x3714, 0x24},
 726         {0x371a, 0x3e},
 727         {0x3733, 0x00},
 728         {0x3734, 0x00},
 729         {0x373a, 0x05},
 730         {0x373b, 0x06},
 731         {0x373c, 0x0a},
 732         {0x373f, 0xa0},
 733         {0x3755, 0x00},
 734         {0x3758, 0x00},
 735         {0x375b, 0x0e},
 736         {0x3766, 0x5f},
 737         {0x3768, 0x00},
 738         {0x3769, 0x22},
 739         {0x3773, 0x08},
 740         {0x3774, 0x1f},
 741         {0x3776, 0x06},
 742         {0x37a0, 0x88},
 743         {0x37a1, 0x5c},
 744         {0x37a7, 0x88},
 745         {0x37a8, 0x70},
 746         {0x37aa, 0x88},
 747         {0x37ab, 0x48},
 748         {0x37b3, 0x66},
 749         {0x37c2, 0x04},
 750         {0x37c5, 0x00},
 751         {0x37c8, 0x00},
 752         {0x3800, 0x00},
 753         {0x3801, 0x0c},
 754         {0x3802, 0x00},
 755         {0x3803, 0x04},
 756         {0x3804, 0x0a},
 757         {0x3805, 0x33},
 758         {0x3806, 0x07},
 759         {0x3807, 0xa3},
 760         {0x3808, 0x02},
 761         {0x3809, 0x88},
 762         {0x380a, 0x01},
 763         {0x380b, 0xe6},
 764         {0x380c, 0x06},
 765         {0x380d, 0x90},
 766         {0x380e, 0x08},
 767         {0x380f, 0x08},
 768         {0x3811, 0x04},
 769         {0x3813, 0x02},
 770         {0x3814, 0x07},
 771         {0x3815, 0x01},
 772         {0x3816, 0x00},
 773         {0x3817, 0x00},
 774         {0x3818, 0x00},
 775         {0x3819, 0x00},
 776         {0x3820, 0x94},
 777         {0x3821, 0xc6},
 778         {0x3822, 0x48},
 779         {0x3826, 0x00},
 780         {0x3827, 0x08},
 781         {0x382a, 0x07},
 782         {0x382b, 0x01},
 783         {0x3830, 0x08},
 784         {0x3836, 0x02},
 785         {0x3837, 0x00},
 786         {0x3838, 0x10},
 787         {0x3841, 0xff},
 788         {0x3846, 0x48},
 789         {0x3861, 0x00},
 790         {0x3862, 0x04},
 791         {0x3863, 0x06},
 792         {0x3a11, 0x01},
 793         {0x3a12, 0x78},
 794         {0x3b00, 0x00},
 795         {0x3b02, 0x00},
 796         {0x3b03, 0x00},
 797         {0x3b04, 0x00},
 798         {0x3b05, 0x00},
 799         {0x3c00, 0x89},
 800         {0x3c01, 0xab},
 801         {0x3c02, 0x01},
 802         {0x3c03, 0x00},
 803         {0x3c04, 0x00},
 804         {0x3c05, 0x03},
 805         {0x3c06, 0x00},
 806         {0x3c07, 0x05},
 807         {0x3c0c, 0x00},
 808         {0x3c0d, 0x00},
 809         {0x3c0e, 0x00},
 810         {0x3c0f, 0x00},
 811         {0x3c40, 0x00},
 812         {0x3c41, 0xa3},
 813         {0x3c43, 0x7d},
 814         {0x3c45, 0xd7},
 815         {0x3c47, 0xfc},
 816         {0x3c50, 0x05},
 817         {0x3c52, 0xaa},
 818         {0x3c54, 0x71},
 819         {0x3c56, 0x80},
 820         {0x3d85, 0x17},
 821         {0x3f03, 0x00},
 822         {0x3f0a, 0x00},
 823         {0x3f0b, 0x00},
 824         {0x4001, 0x60},
 825         {0x4009, 0x05},
 826         {0x4020, 0x00},
 827         {0x4021, 0x00},
 828         {0x4022, 0x00},
 829         {0x4023, 0x00},
 830         {0x4024, 0x00},
 831         {0x4025, 0x00},
 832         {0x4026, 0x00},
 833         {0x4027, 0x00},
 834         {0x4028, 0x00},
 835         {0x4029, 0x00},
 836         {0x402a, 0x00},
 837         {0x402b, 0x00},
 838         {0x402c, 0x00},
 839         {0x402d, 0x00},
 840         {0x402e, 0x00},
 841         {0x402f, 0x00},
 842         {0x4040, 0x00},
 843         {0x4041, 0x03},
 844         {0x4042, 0x00},
 845         {0x4043, 0x7A},
 846         {0x4044, 0x00},
 847         {0x4045, 0x7A},
 848         {0x4046, 0x00},
 849         {0x4047, 0x7A},
 850         {0x4048, 0x00},
 851         {0x4049, 0x7A},
 852         {0x4307, 0x30},
 853         {0x4500, 0x58},
 854         {0x4501, 0x04},
 855         {0x4502, 0x40},
 856         {0x4503, 0x10},
 857         {0x4508, 0x55},
 858         {0x4509, 0x55},
 859         {0x450a, 0x02},
 860         {0x450b, 0x00},
 861         {0x4600, 0x00},
 862         {0x4601, 0x40},
 863         {0x4700, 0xa4},
 864         {0x4800, 0x4c},
 865         {0x4816, 0x53},
 866         {0x481f, 0x40},
 867         {0x4837, 0x13},
 868         {0x5000, 0x56},
 869         {0x5001, 0x01},
 870         {0x5002, 0x28},
 871         {0x5004, 0x0c},
 872         {0x5006, 0x0c},
 873         {0x5007, 0xe0},
 874         {0x5008, 0x01},
 875         {0x5009, 0xb0},
 876         {0x5901, 0x00},
 877         {0x5a01, 0x00},
 878         {0x5a03, 0x00},
 879         {0x5a04, 0x0c},
 880         {0x5a05, 0xe0},
 881         {0x5a06, 0x09},
 882         {0x5a07, 0xb0},
 883         {0x5a08, 0x06},
 884         {0x5e00, 0x00},
 885         {0x3734, 0x40},
 886         {0x5b00, 0x01},
 887         {0x5b01, 0x10},
 888         {0x5b02, 0x01},
 889         {0x5b03, 0xdb},
 890         {0x3d8c, 0x71},
 891         {0x3d8d, 0xea},
 892         {0x4017, 0x10},
 893         {0x3618, 0x2a},
 894         {0x5780, 0x3e},
 895         {0x5781, 0x0f},
 896         {0x5782, 0x44},
 897         {0x5783, 0x02},
 898         {0x5784, 0x01},
 899         {0x5785, 0x01},
 900         {0x5786, 0x00},
 901         {0x5787, 0x04},
 902         {0x5788, 0x02},
 903         {0x5789, 0x0f},
 904         {0x578a, 0xfd},
 905         {0x578b, 0xf5},
 906         {0x578c, 0xf5},
 907         {0x578d, 0x03},
 908         {0x578e, 0x08},
 909         {0x578f, 0x0c},
 910         {0x5790, 0x08},
 911         {0x5791, 0x06},
 912         {0x5792, 0x00},
 913         {0x5793, 0x52},
 914         {0x5794, 0xa3},
 915         {0x3503, 0x00},
 916         {0x5045, 0x05},
 917         {0x4003, 0x40},
 918         {0x5048, 0x40}
 919 };
 920
 921 static const struct ov5670_reg mode_2560x1440_regs[] = {
 922         {0x3000, 0x00},
 923         {0x3002, 0x21},
 924         {0x3005, 0xf0},
 925         {0x3007, 0x00},
 926         {0x3015, 0x0f},
 927         {0x3018, 0x32},
 928         {0x301a, 0xf0},
 929         {0x301b, 0xf0},
 930         {0x301c, 0xf0},
 931         {0x301d, 0xf0},
 932         {0x301e, 0xf0},
 933         {0x3030, 0x00},
 934         {0x3031, 0x0a},
 935         {0x303c, 0xff},
 936         {0x303e, 0xff},
 937         {0x3040, 0xf0},
 938         {0x3041, 0x00},
 939         {0x3042, 0xf0},
 940         {0x3106, 0x11},
 941         {0x3500, 0x00},
 942         {0x3501, 0x80},
 943         {0x3502, 0x00},
 944         {0x3503, 0x04},
 945         {0x3504, 0x03},
 946         {0x3505, 0x83},
 947         {0x3508, 0x04},
 948         {0x3509, 0x00},
 949         {0x350e, 0x04},
 950         {0x350f, 0x00},
 951         {0x3510, 0x00},
 952         {0x3511, 0x02},
 953         {0x3512, 0x00},
 954         {0x3601, 0xc8},
 955         {0x3610, 0x88},
 956         {0x3612, 0x48},
 957         {0x3614, 0x5b},
 958         {0x3615, 0x96},
 959         {0x3621, 0xd0},
 960         {0x3622, 0x00},
 961         {0x3623, 0x00},
 962         {0x3633, 0x13},
 963         {0x3634, 0x13},
 964         {0x3635, 0x13},
 965         {0x3636, 0x13},
 966         {0x3645, 0x13},
 967         {0x3646, 0x82},
 968         {0x3650, 0x00},
 969         {0x3652, 0xff},
 970         {0x3655, 0x20},
 971         {0x3656, 0xff},
 972         {0x365a, 0xff},
 973         {0x365e, 0xff},
 974         {0x3668, 0x00},
 975         {0x366a, 0x07},
 976         {0x366e, 0x10},
 977         {0x366d, 0x00},
 978         {0x366f, 0x80},
 979         {0x3700, 0x28},
 980         {0x3701, 0x10},
 981         {0x3702, 0x3a},
 982         {0x3703, 0x19},
 983         {0x3704, 0x10},
 984         {0x3705, 0x00},
 985         {0x3706, 0x66},
 986         {0x3707, 0x08},
 987         {0x3708, 0x34},
 988         {0x3709, 0x40},
 989         {0x370a, 0x01},
 990         {0x370b, 0x1b},
 991         {0x3714, 0x24},
 992         {0x371a, 0x3e},
 993         {0x3733, 0x00},
 994         {0x3734, 0x00},
 995         {0x373a, 0x05},
 996         {0x373b, 0x06},
 997         {0x373c, 0x0a},
 998         {0x373f, 0xa0},
 999         {0x3755, 0x00},
1000         {0x3758, 0x00},
1001         {0x375b, 0x0e},
1002         {0x3766, 0x5f},
1003         {0x3768, 0x00},
1004         {0x3769, 0x22},
1005         {0x3773, 0x08},
1006         {0x3774, 0x1f},
1007         {0x3776, 0x06},
1008         {0x37a0, 0x88},
1009         {0x37a1, 0x5c},
1010         {0x37a7, 0x88},
1011         {0x37a8, 0x70},
1012         {0x37aa, 0x88},
1013         {0x37ab, 0x48},
1014         {0x37b3, 0x66},
1015         {0x37c2, 0x04},
1016         {0x37c5, 0x00},
1017         {0x37c8, 0x00},
1018         {0x3800, 0x00},
1019         {0x3801, 0x0c},
1020         {0x3802, 0x00},
1021         {0x3803, 0x04},
1022         {0x3804, 0x0a},
1023         {0x3805, 0x33},
1024         {0x3806, 0x07},
1025         {0x3807, 0xa3},
1026         {0x3808, 0x0a},
1027         {0x3809, 0x00},
1028         {0x380a, 0x05},
1029         {0x380b, 0xa0},
1030         {0x380c, 0x06},
1031         {0x380d, 0x90},
1032         {0x380e, 0x08},
1033         {0x380f, 0x08},
1034         {0x3811, 0x04},
1035         {0x3813, 0x02},
1036         {0x3814, 0x01},
1037         {0x3815, 0x01},
1038         {0x3816, 0x00},
1039         {0x3817, 0x00},
1040         {0x3818, 0x00},
1041         {0x3819, 0x00},
1042         {0x3820, 0x84},
1043         {0x3821, 0x46},
1044         {0x3822, 0x48},
1045         {0x3826, 0x00},
1046         {0x3827, 0x08},
1047         {0x382a, 0x01},
1048         {0x382b, 0x01},
1049         {0x3830, 0x08},
1050         {0x3836, 0x02},
1051         {0x3837, 0x00},
1052         {0x3838, 0x10},
1053         {0x3841, 0xff},
1054         {0x3846, 0x48},
1055         {0x3861, 0x00},
1056         {0x3862, 0x04},
1057         {0x3863, 0x06},
1058         {0x3a11, 0x01},
1059         {0x3a12, 0x78},
1060         {0x3b00, 0x00},
1061         {0x3b02, 0x00},
1062         {0x3b03, 0x00},
1063         {0x3b04, 0x00},
1064         {0x3b05, 0x00},
1065         {0x3c00, 0x89},
1066         {0x3c01, 0xab},
1067         {0x3c02, 0x01},
1068         {0x3c03, 0x00},
1069         {0x3c04, 0x00},
1070         {0x3c05, 0x03},
1071         {0x3c06, 0x00},
1072         {0x3c07, 0x05},
1073         {0x3c0c, 0x00},
1074         {0x3c0d, 0x00},
1075         {0x3c0e, 0x00},
1076         {0x3c0f, 0x00},
1077         {0x3c40, 0x00},
1078         {0x3c41, 0xa3},
1079         {0x3c43, 0x7d},
1080         {0x3c45, 0xd7},
1081         {0x3c47, 0xfc},
1082         {0x3c50, 0x05},
1083         {0x3c52, 0xaa},
1084         {0x3c54, 0x71},
1085         {0x3c56, 0x80},
1086         {0x3d85, 0x17},
1087         {0x3f03, 0x00},
1088         {0x3f0a, 0x00},
1089         {0x3f0b, 0x00},
1090         {0x4001, 0x60},
1091         {0x4009, 0x0d},
1092         {0x4020, 0x00},
1093         {0x4021, 0x00},
1094         {0x4022, 0x00},
1095         {0x4023, 0x00},
1096         {0x4024, 0x00},
1097         {0x4025, 0x00},
1098         {0x4026, 0x00},
1099         {0x4027, 0x00},
1100         {0x4028, 0x00},
1101         {0x4029, 0x00},
1102         {0x402a, 0x00},
1103         {0x402b, 0x00},
1104         {0x402c, 0x00},
1105         {0x402d, 0x00},
1106         {0x402e, 0x00},
1107         {0x402f, 0x00},
1108         {0x4040, 0x00},
1109         {0x4041, 0x03},
1110         {0x4042, 0x00},
1111         {0x4043, 0x7A},
1112         {0x4044, 0x00},
1113         {0x4045, 0x7A},
1114         {0x4046, 0x00},
1115         {0x4047, 0x7A},
1116         {0x4048, 0x00},
1117         {0x4049, 0x7A},
1118         {0x4307, 0x30},
1119         {0x4500, 0x58},
1120         {0x4501, 0x04},
1121         {0x4502, 0x40},
1122         {0x4503, 0x10},
1123         {0x4508, 0xaa},
1124         {0x4509, 0xaa},
1125         {0x450a, 0x00},
1126         {0x450b, 0x00},
1127         {0x4600, 0x01},
1128         {0x4601, 0x00},
1129         {0x4700, 0xa4},
1130         {0x4800, 0x4c},
1131         {0x4816, 0x53},
1132         {0x481f, 0x40},
1133         {0x4837, 0x13},
1134         {0x5000, 0x56},
1135         {0x5001, 0x01},
1136         {0x5002, 0x28},
1137         {0x5004, 0x0c},
1138         {0x5006, 0x0c},
1139         {0x5007, 0xe0},
1140         {0x5008, 0x01},
1141         {0x5009, 0xb0},
1142         {0x5901, 0x00},
1143         {0x5a01, 0x00},
1144         {0x5a03, 0x00},
1145         {0x5a04, 0x0c},
1146         {0x5a05, 0xe0},
1147         {0x5a06, 0x09},
1148         {0x5a07, 0xb0},
1149         {0x5a08, 0x06},
1150         {0x5e00, 0x00},
1151         {0x3734, 0x40},
1152         {0x5b00, 0x01},
1153         {0x5b01, 0x10},
1154         {0x5b02, 0x01},
1155         {0x5b03, 0xdb},
1156         {0x3d8c, 0x71},
1157         {0x3d8d, 0xea},
1158         {0x4017, 0x08},
1159         {0x3618, 0x2a},
1160         {0x5780, 0x3e},
1161         {0x5781, 0x0f},
1162         {0x5782, 0x44},
1163         {0x5783, 0x02},
1164         {0x5784, 0x01},
1165         {0x5785, 0x01},
1166         {0x5786, 0x00},
1167         {0x5787, 0x04},
1168         {0x5788, 0x02},
1169         {0x5789, 0x0f},
1170         {0x578a, 0xfd},
1171         {0x578b, 0xf5},
1172         {0x578c, 0xf5},
1173         {0x578d, 0x03},
1174         {0x578e, 0x08},
1175         {0x578f, 0x0c},
1176         {0x5790, 0x08},
1177         {0x5791, 0x06},
1178         {0x5792, 0x00},
1179         {0x5793, 0x52},
1180         {0x5794, 0xa3},
1181         {0x5045, 0x05},
1182         {0x4003, 0x40},
1183         {0x5048, 0x40}
1184 };
1185
1186 static const struct ov5670_reg mode_1280x720_regs[] = {
1187         {0x3000, 0x00},
1188         {0x3002, 0x21},
1189         {0x3005, 0xf0},
1190         {0x3007, 0x00},
1191         {0x3015, 0x0f},
1192         {0x3018, 0x32},
1193         {0x301a, 0xf0},
1194         {0x301b, 0xf0},
1195         {0x301c, 0xf0},
1196         {0x301d, 0xf0},
1197         {0x301e, 0xf0},
1198         {0x3030, 0x00},
1199         {0x3031, 0x0a},
1200         {0x303c, 0xff},
1201         {0x303e, 0xff},
1202         {0x3040, 0xf0},
1203         {0x3041, 0x00},
1204         {0x3042, 0xf0},
1205         {0x3106, 0x11},
1206         {0x3500, 0x00},
1207         {0x3501, 0x80},
1208         {0x3502, 0x00},
1209         {0x3503, 0x04},
1210         {0x3504, 0x03},
1211         {0x3505, 0x83},
1212         {0x3508, 0x04},
1213         {0x3509, 0x00},
1214         {0x350e, 0x04},
1215         {0x350f, 0x00},
1216         {0x3510, 0x00},
1217         {0x3511, 0x02},
1218         {0x3512, 0x00},
1219         {0x3601, 0xc8},
1220         {0x3610, 0x88},
1221         {0x3612, 0x48},
1222         {0x3614, 0x5b},
1223         {0x3615, 0x96},
1224         {0x3621, 0xd0},
1225         {0x3622, 0x00},
1226         {0x3623, 0x00},
1227         {0x3633, 0x13},
1228         {0x3634, 0x13},
1229         {0x3635, 0x13},
1230         {0x3636, 0x13},
1231         {0x3645, 0x13},
1232         {0x3646, 0x82},
1233         {0x3650, 0x00},
1234         {0x3652, 0xff},
1235         {0x3655, 0x20},
1236         {0x3656, 0xff},
1237         {0x365a, 0xff},
1238         {0x365e, 0xff},
1239         {0x3668, 0x00},
1240         {0x366a, 0x07},
1241         {0x366e, 0x08},
1242         {0x366d, 0x00},
1243         {0x366f, 0x80},
1244         {0x3700, 0x28},
1245         {0x3701, 0x10},
1246         {0x3702, 0x3a},
1247         {0x3703, 0x19},
1248         {0x3704, 0x10},
1249         {0x3705, 0x00},
1250         {0x3706, 0x66},
1251         {0x3707, 0x08},
1252         {0x3708, 0x34},
1253         {0x3709, 0x40},
1254         {0x370a, 0x01},
1255         {0x370b, 0x1b},
1256         {0x3714, 0x24},
1257         {0x371a, 0x3e},
1258         {0x3733, 0x00},
1259         {0x3734, 0x00},
1260         {0x373a, 0x05},
1261         {0x373b, 0x06},
1262         {0x373c, 0x0a},
1263         {0x373f, 0xa0},
1264         {0x3755, 0x00},
1265         {0x3758, 0x00},
1266         {0x375b, 0x0e},
1267         {0x3766, 0x5f},
1268         {0x3768, 0x00},
1269         {0x3769, 0x22},
1270         {0x3773, 0x08},
1271         {0x3774, 0x1f},
1272         {0x3776, 0x06},
1273         {0x37a0, 0x88},
1274         {0x37a1, 0x5c},
1275         {0x37a7, 0x88},
1276         {0x37a8, 0x70},
1277         {0x37aa, 0x88},
1278         {0x37ab, 0x48},
1279         {0x37b3, 0x66},
1280         {0x37c2, 0x04},
1281         {0x37c5, 0x00},
1282         {0x37c8, 0x00},
1283         {0x3800, 0x00},
1284         {0x3801, 0x0c},
1285         {0x3802, 0x00},
1286         {0x3803, 0x04},
1287         {0x3804, 0x0a},
1288         {0x3805, 0x33},
1289         {0x3806, 0x07},
1290         {0x3807, 0xa3},
1291         {0x3808, 0x05},
1292         {0x3809, 0x00},
1293         {0x380a, 0x02},
1294         {0x380b, 0xd0},
1295         {0x380c, 0x06},
1296         {0x380d, 0x90},
1297         {0x380e, 0x08},
1298         {0x380f, 0x08},
1299         {0x3811, 0x04},
1300         {0x3813, 0x02},
1301         {0x3814, 0x03},
1302         {0x3815, 0x01},
1303         {0x3816, 0x00},
1304         {0x3817, 0x00},
1305         {0x3818, 0x00},
1306         {0x3819, 0x00},
1307         {0x3820, 0x94},
1308         {0x3821, 0x47},
1309         {0x3822, 0x48},
1310         {0x3826, 0x00},
1311         {0x3827, 0x08},
1312         {0x382a, 0x03},
1313         {0x382b, 0x01},
1314         {0x3830, 0x08},
1315         {0x3836, 0x02},
1316         {0x3837, 0x00},
1317         {0x3838, 0x10},
1318         {0x3841, 0xff},
1319         {0x3846, 0x48},
1320         {0x3861, 0x00},
1321         {0x3862, 0x04},
1322         {0x3863, 0x06},
1323         {0x3a11, 0x01},
1324         {0x3a12, 0x78},
1325         {0x3b00, 0x00},
1326         {0x3b02, 0x00},
1327         {0x3b03, 0x00},
1328         {0x3b04, 0x00},
1329         {0x3b05, 0x00},
1330         {0x3c00, 0x89},
1331         {0x3c01, 0xab},
1332         {0x3c02, 0x01},
1333         {0x3c03, 0x00},
1334         {0x3c04, 0x00},
1335         {0x3c05, 0x03},
1336         {0x3c06, 0x00},
1337         {0x3c07, 0x05},
1338         {0x3c0c, 0x00},
1339         {0x3c0d, 0x00},
1340         {0x3c0e, 0x00},
1341         {0x3c0f, 0x00},
1342         {0x3c40, 0x00},
1343         {0x3c41, 0xa3},
1344         {0x3c43, 0x7d},
1345         {0x3c45, 0xd7},
1346         {0x3c47, 0xfc},
1347         {0x3c50, 0x05},
1348         {0x3c52, 0xaa},
1349         {0x3c54, 0x71},
1350         {0x3c56, 0x80},
1351         {0x3d85, 0x17},
1352         {0x3f03, 0x00},
1353         {0x3f0a, 0x00},
1354         {0x3f0b, 0x00},
1355         {0x4001, 0x60},
1356         {0x4009, 0x05},
1357         {0x4020, 0x00},
1358         {0x4021, 0x00},
1359         {0x4022, 0x00},
1360         {0x4023, 0x00},
1361         {0x4024, 0x00},
1362         {0x4025, 0x00},
1363         {0x4026, 0x00},
1364         {0x4027, 0x00},
1365         {0x4028, 0x00},
1366         {0x4029, 0x00},
1367         {0x402a, 0x00},
1368         {0x402b, 0x00},
1369         {0x402c, 0x00},
1370         {0x402d, 0x00},
1371         {0x402e, 0x00},
1372         {0x402f, 0x00},
1373         {0x4040, 0x00},
1374         {0x4041, 0x03},
1375         {0x4042, 0x00},
1376         {0x4043, 0x7A},
1377         {0x4044, 0x00},
1378         {0x4045, 0x7A},
1379         {0x4046, 0x00},
1380         {0x4047, 0x7A},
1381         {0x4048, 0x00},
1382         {0x4049, 0x7A},
1383         {0x4307, 0x30},
1384         {0x4500, 0x58},
1385         {0x4501, 0x04},
1386         {0x4502, 0x48},
1387         {0x4503, 0x10},
1388         {0x4508, 0x55},
1389         {0x4509, 0x55},
1390         {0x450a, 0x00},
1391         {0x450b, 0x00},
1392         {0x4600, 0x00},
1393         {0x4601, 0x80},
1394         {0x4700, 0xa4},
1395         {0x4800, 0x4c},
1396         {0x4816, 0x53},
1397         {0x481f, 0x40},
1398         {0x4837, 0x13},
1399         {0x5000, 0x56},
1400         {0x5001, 0x01},
1401         {0x5002, 0x28},
1402         {0x5004, 0x0c},
1403         {0x5006, 0x0c},
1404         {0x5007, 0xe0},
1405         {0x5008, 0x01},
1406         {0x5009, 0xb0},
1407         {0x5901, 0x00},
1408         {0x5a01, 0x00},
1409         {0x5a03, 0x00},
1410         {0x5a04, 0x0c},
1411         {0x5a05, 0xe0},
1412         {0x5a06, 0x09},
1413         {0x5a07, 0xb0},
1414         {0x5a08, 0x06},
1415         {0x5e00, 0x00},
1416         {0x3734, 0x40},
1417         {0x5b00, 0x01},
1418         {0x5b01, 0x10},
1419         {0x5b02, 0x01},
1420         {0x5b03, 0xdb},
1421         {0x3d8c, 0x71},
1422         {0x3d8d, 0xea},
1423         {0x4017, 0x10},
1424         {0x3618, 0x2a},
1425         {0x5780, 0x3e},
1426         {0x5781, 0x0f},
1427         {0x5782, 0x44},
1428         {0x5783, 0x02},
1429         {0x5784, 0x01},
1430         {0x5785, 0x01},
1431         {0x5786, 0x00},
1432         {0x5787, 0x04},
1433         {0x5788, 0x02},
1434         {0x5789, 0x0f},
1435         {0x578a, 0xfd},
1436         {0x578b, 0xf5},
1437         {0x578c, 0xf5},
1438         {0x578d, 0x03},
1439         {0x578e, 0x08},
1440         {0x578f, 0x0c},
1441         {0x5790, 0x08},
1442         {0x5791, 0x06},
1443         {0x5792, 0x00},
1444         {0x5793, 0x52},
1445         {0x5794, 0xa3},
1446         {0x3503, 0x00},
1447         {0x5045, 0x05},
1448         {0x4003, 0x40},
1449         {0x5048, 0x40}
1450 };
1451
1452 static const struct ov5670_reg mode_640x360_regs[] = {
1453         {0x3000, 0x00},
1454         {0x3002, 0x21},
1455         {0x3005, 0xf0},
1456         {0x3007, 0x00},
1457         {0x3015, 0x0f},
1458         {0x3018, 0x32},
1459         {0x301a, 0xf0},
1460         {0x301b, 0xf0},
1461         {0x301c, 0xf0},
1462         {0x301d, 0xf0},
1463         {0x301e, 0xf0},
1464         {0x3030, 0x00},
1465         {0x3031, 0x0a},
1466         {0x303c, 0xff},
1467         {0x303e, 0xff},
1468         {0x3040, 0xf0},
1469         {0x3041, 0x00},
1470         {0x3042, 0xf0},
1471         {0x3106, 0x11},
1472         {0x3500, 0x00},
1473         {0x3501, 0x80},
1474         {0x3502, 0x00},
1475         {0x3503, 0x04},
1476         {0x3504, 0x03},
1477         {0x3505, 0x83},
1478         {0x3508, 0x04},
1479         {0x3509, 0x00},
1480         {0x350e, 0x04},
1481         {0x350f, 0x00},
1482         {0x3510, 0x00},
1483         {0x3511, 0x02},
1484         {0x3512, 0x00},
1485         {0x3601, 0xc8},
1486         {0x3610, 0x88},
1487         {0x3612, 0x48},
1488         {0x3614, 0x5b},
1489         {0x3615, 0x96},
1490         {0x3621, 0xd0},
1491         {0x3622, 0x00},
1492         {0x3623, 0x04},
1493         {0x3633, 0x13},
1494         {0x3634, 0x13},
1495         {0x3635, 0x13},
1496         {0x3636, 0x13},
1497         {0x3645, 0x13},
1498         {0x3646, 0x82},
1499         {0x3650, 0x00},
1500         {0x3652, 0xff},
1501         {0x3655, 0x20},
1502         {0x3656, 0xff},
1503         {0x365a, 0xff},
1504         {0x365e, 0xff},
1505         {0x3668, 0x00},
1506         {0x366a, 0x07},
1507         {0x366e, 0x08},
1508         {0x366d, 0x00},
1509         {0x366f, 0x80},
1510         {0x3700, 0x28},
1511         {0x3701, 0x10},
1512         {0x3702, 0x3a},
1513         {0x3703, 0x19},
1514         {0x3704, 0x10},
1515         {0x3705, 0x00},
1516         {0x3706, 0x66},
1517         {0x3707, 0x08},
1518         {0x3708, 0x34},
1519         {0x3709, 0x40},
1520         {0x370a, 0x01},
1521         {0x370b, 0x1b},
1522         {0x3714, 0x24},
1523         {0x371a, 0x3e},
1524         {0x3733, 0x00},
1525         {0x3734, 0x00},
1526         {0x373a, 0x05},
1527         {0x373b, 0x06},
1528         {0x373c, 0x0a},
1529         {0x373f, 0xa0},
1530         {0x3755, 0x00},
1531         {0x3758, 0x00},
1532         {0x375b, 0x0e},
1533         {0x3766, 0x5f},
1534         {0x3768, 0x00},
1535         {0x3769, 0x22},
1536         {0x3773, 0x08},
1537         {0x3774, 0x1f},
1538         {0x3776, 0x06},
1539         {0x37a0, 0x88},
1540         {0x37a1, 0x5c},
1541         {0x37a7, 0x88},
1542         {0x37a8, 0x70},
1543         {0x37aa, 0x88},
1544         {0x37ab, 0x48},
1545         {0x37b3, 0x66},
1546         {0x37c2, 0x04},
1547         {0x37c5, 0x00},
1548         {0x37c8, 0x00},
1549         {0x3800, 0x00},
1550         {0x3801, 0x0c},
1551         {0x3802, 0x00},
1552         {0x3803, 0x04},
1553         {0x3804, 0x0a},
1554         {0x3805, 0x33},
1555         {0x3806, 0x07},
1556         {0x3807, 0xa3},
1557         {0x3808, 0x02},
1558         {0x3809, 0x80},
1559         {0x380a, 0x01},
1560         {0x380b, 0x68},
1561         {0x380c, 0x06},
1562         {0x380d, 0x90},
1563         {0x380e, 0x08},
1564         {0x380f, 0x08},
1565         {0x3811, 0x04},
1566         {0x3813, 0x02},
1567         {0x3814, 0x07},
1568         {0x3815, 0x01},
1569         {0x3816, 0x00},
1570         {0x3817, 0x00},
1571         {0x3818, 0x00},
1572         {0x3819, 0x00},
1573         {0x3820, 0x94},
1574         {0x3821, 0xc6},
1575         {0x3822, 0x48},
1576         {0x3826, 0x00},
1577         {0x3827, 0x08},
1578         {0x382a, 0x07},
1579         {0x382b, 0x01},
1580         {0x3830, 0x08},
1581         {0x3836, 0x02},
1582         {0x3837, 0x00},
1583         {0x3838, 0x10},
1584         {0x3841, 0xff},
1585         {0x3846, 0x48},
1586         {0x3861, 0x00},
1587         {0x3862, 0x04},
1588         {0x3863, 0x06},
1589         {0x3a11, 0x01},
1590         {0x3a12, 0x78},
1591         {0x3b00, 0x00},
1592         {0x3b02, 0x00},
1593         {0x3b03, 0x00},
1594         {0x3b04, 0x00},
1595         {0x3b05, 0x00},
1596         {0x3c00, 0x89},
1597         {0x3c01, 0xab},
1598         {0x3c02, 0x01},
1599         {0x3c03, 0x00},
1600         {0x3c04, 0x00},
1601         {0x3c05, 0x03},
1602         {0x3c06, 0x00},
1603         {0x3c07, 0x05},
1604         {0x3c0c, 0x00},
1605         {0x3c0d, 0x00},
1606         {0x3c0e, 0x00},
1607         {0x3c0f, 0x00},
1608         {0x3c40, 0x00},
1609         {0x3c41, 0xa3},
1610         {0x3c43, 0x7d},
1611         {0x3c45, 0xd7},
1612         {0x3c47, 0xfc},
1613         {0x3c50, 0x05},
1614         {0x3c52, 0xaa},
1615         {0x3c54, 0x71},
1616         {0x3c56, 0x80},
1617         {0x3d85, 0x17},
1618         {0x3f03, 0x00},
1619         {0x3f0a, 0x00},
1620         {0x3f0b, 0x00},
1621         {0x4001, 0x60},
1622         {0x4009, 0x05},
1623         {0x4020, 0x00},
1624         {0x4021, 0x00},
1625         {0x4022, 0x00},
1626         {0x4023, 0x00},
1627         {0x4024, 0x00},
1628         {0x4025, 0x00},
1629         {0x4026, 0x00},
1630         {0x4027, 0x00},
1631         {0x4028, 0x00},
1632         {0x4029, 0x00},
1633         {0x402a, 0x00},
1634         {0x402b, 0x00},
1635         {0x402c, 0x00},
1636         {0x402d, 0x00},
1637         {0x402e, 0x00},
1638         {0x402f, 0x00},
1639         {0x4040, 0x00},
1640         {0x4041, 0x03},
1641         {0x4042, 0x00},
1642         {0x4043, 0x7A},
1643         {0x4044, 0x00},
1644         {0x4045, 0x7A},
1645         {0x4046, 0x00},
1646         {0x4047, 0x7A},
1647         {0x4048, 0x00},
1648         {0x4049, 0x7A},
1649         {0x4307, 0x30},
1650         {0x4500, 0x58},
1651         {0x4501, 0x04},
1652         {0x4502, 0x40},
1653         {0x4503, 0x10},
1654         {0x4508, 0x55},
1655         {0x4509, 0x55},
1656         {0x450a, 0x02},
1657         {0x450b, 0x00},
1658         {0x4600, 0x00},
1659         {0x4601, 0x40},
1660         {0x4700, 0xa4},
1661         {0x4800, 0x4c},
1662         {0x4816, 0x53},
1663         {0x481f, 0x40},
1664         {0x4837, 0x13},
1665         {0x5000, 0x56},
1666         {0x5001, 0x01},
1667         {0x5002, 0x28},
1668         {0x5004, 0x0c},
1669         {0x5006, 0x0c},
1670         {0x5007, 0xe0},
1671         {0x5008, 0x01},
1672         {0x5009, 0xb0},
1673         {0x5901, 0x00},
1674         {0x5a01, 0x00},
1675         {0x5a03, 0x00},
1676         {0x5a04, 0x0c},
1677         {0x5a05, 0xe0},
1678         {0x5a06, 0x09},
1679         {0x5a07, 0xb0},
1680         {0x5a08, 0x06},
1681         {0x5e00, 0x00},
1682         {0x3734, 0x40},
1683         {0x5b00, 0x01},
1684         {0x5b01, 0x10},
1685         {0x5b02, 0x01},
1686         {0x5b03, 0xdb},
1687         {0x3d8c, 0x71},
1688         {0x3d8d, 0xea},
1689         {0x4017, 0x10},
1690         {0x3618, 0x2a},
1691         {0x5780, 0x3e},
1692         {0x5781, 0x0f},
1693         {0x5782, 0x44},
1694         {0x5783, 0x02},
1695         {0x5784, 0x01},
1696         {0x5785, 0x01},
1697         {0x5786, 0x00},
1698         {0x5787, 0x04},
1699         {0x5788, 0x02},
1700         {0x5789, 0x0f},
1701         {0x578a, 0xfd},
1702         {0x578b, 0xf5},
1703         {0x578c, 0xf5},
1704         {0x578d, 0x03},
1705         {0x578e, 0x08},
1706         {0x578f, 0x0c},
1707         {0x5790, 0x08},
1708         {0x5791, 0x06},
1709         {0x5792, 0x00},
1710         {0x5793, 0x52},
1711         {0x5794, 0xa3},
1712         {0x3503, 0x00},
1713         {0x5045, 0x05},
1714         {0x4003, 0x40},
1715         {0x5048, 0x40}
1716 };
1717
1718 static const char * const ov5670_test_pattern_menu[] = {
1719         "Disabled",
1720         "Vertical Color Bar Type 1",
1721 };
1722
1723 /* Supported link frequencies */
1724 #define OV5670_LINK_FREQ_422MHZ         422400000
1725 #define OV5670_LINK_FREQ_422MHZ_INDEX   0
1726 static const struct ov5670_link_freq_config link_freq_configs[] = {
1727         {
1728                 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1729                 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1730                 .reg_list = {
1731                         .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1732                         .regs = mipi_data_rate_840mbps,
1733                 }
1734         }
1735 };
1736
1737 static const s64 link_freq_menu_items[] = {
1738         OV5670_LINK_FREQ_422MHZ
1739 };
1740
1741 /*
1742  * OV5670 sensor supports following resolutions with full FOV:
1743  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1744  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1745  */
1746 static const struct ov5670_mode supported_modes[] = {
1747         {
1748                 .width = 2592,
1749                 .height = 1944,
1750                 .vts_def = OV5670_VTS_30FPS,
1751                 .vts_min = OV5670_VTS_30FPS,
1752                 .reg_list = {
1753                         .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1754                         .regs = mode_2592x1944_regs,
1755                 },
1756                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1757         },
1758         {
1759                 .width = 1296,
1760                 .height = 972,
1761                 .vts_def = OV5670_VTS_30FPS,
1762                 .vts_min = 996,
1763                 .reg_list = {
1764                         .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1765                         .regs = mode_1296x972_regs,
1766                 },
1767                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1768         },
1769         {
1770                 .width = 648,
1771                 .height = 486,
1772                 .vts_def = OV5670_VTS_30FPS,
1773                 .vts_min = 516,
1774                 .reg_list = {
1775                         .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1776                         .regs = mode_648x486_regs,
1777                 },
1778                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1779         },
1780         {
1781                 .width = 2560,
1782                 .height = 1440,
1783                 .vts_def = OV5670_VTS_30FPS,
1784                 .vts_min = OV5670_VTS_30FPS,
1785                 .reg_list = {
1786                         .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1787                         .regs = mode_2560x1440_regs,
1788                 },
1789                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1790         },
1791         {
1792                 .width = 1280,
1793                 .height = 720,
1794                 .vts_def = OV5670_VTS_30FPS,
1795                 .vts_min = 1020,
1796                 .reg_list = {
1797                         .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1798                         .regs = mode_1280x720_regs,
1799                 },
1800                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1801         },
1802         {
1803                 .width = 640,
1804                 .height = 360,
1805                 .vts_def = OV5670_VTS_30FPS,
1806                 .vts_min = 510,
1807                 .reg_list = {
1808                         .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1809                         .regs = mode_640x360_regs,
1810                 },
1811                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1812         }
1813 };
1814
1815 struct ov5670 {
1816         struct v4l2_subdev sd;
1817         struct media_pad pad;
1818
1819         struct v4l2_ctrl_handler ctrl_handler;
1820         /* V4L2 Controls */
1821         struct v4l2_ctrl *link_freq;
1822         struct v4l2_ctrl *pixel_rate;
1823         struct v4l2_ctrl *vblank;
1824         struct v4l2_ctrl *hblank;
1825         struct v4l2_ctrl *exposure;
1826
1827         /* Current mode */
1828         const struct ov5670_mode *cur_mode;
1829
1830         /* To serialize asynchronus callbacks */
1831         struct mutex mutex;
1832
1833         /* Streaming on/off */
1834         bool streaming;
1835 };
1836
1837 #define to_ov5670(_sd)  container_of(_sd, struct ov5670, sd)
1838
1839 /* Read registers up to 4 at a time */
1840 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1841                            u32 *val)
1842 {
1843         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1844         struct i2c_msg msgs[2];
1845         u8 *data_be_p;
1846         __be32 data_be = 0;
1847         __be16 reg_addr_be = cpu_to_be16(reg);
1848         int ret;
1849
1850         if (len > 4)
1851                 return -EINVAL;
1852
1853         data_be_p = (u8 *)&data_be;
1854         /* Write register address */
1855         msgs[0].addr = client->addr;
1856         msgs[0].flags = 0;
1857         msgs[0].len = 2;
1858         msgs[0].buf = (u8 *)&reg_addr_be;
1859
1860         /* Read data from register */
1861         msgs[1].addr = client->addr;
1862         msgs[1].flags = I2C_M_RD;
1863         msgs[1].len = len;
1864         msgs[1].buf = &data_be_p[4 - len];
1865
1866         ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1867         if (ret != ARRAY_SIZE(msgs))
1868                 return -EIO;
1869
1870         *val = be32_to_cpu(data_be);
1871
1872         return 0;
1873 }
1874
1875 /* Write registers up to 4 at a time */
1876 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1877                             u32 val)
1878 {
1879         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1880         int buf_i;
1881         int val_i;
1882         u8 buf[6];
1883         u8 *val_p;
1884         __be32 tmp;
1885
1886         if (len > 4)
1887                 return -EINVAL;
1888
1889         buf[0] = reg >> 8;
1890         buf[1] = reg & 0xff;
1891
1892         tmp = cpu_to_be32(val);
1893         val_p = (u8 *)&tmp;
1894         buf_i = 2;
1895         val_i = 4 - len;
1896
1897         while (val_i < 4)
1898                 buf[buf_i++] = val_p[val_i++];
1899
1900         if (i2c_master_send(client, buf, len + 2) != len + 2)
1901                 return -EIO;
1902
1903         return 0;
1904 }
1905
1906 /* Write a list of registers */
1907 static int ov5670_write_regs(struct ov5670 *ov5670,
1908                              const struct ov5670_reg *regs, unsigned int len)
1909 {
1910         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1911         unsigned int i;
1912         int ret;
1913
1914         for (i = 0; i < len; i++) {
1915                 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1916                 if (ret) {
1917                         dev_err_ratelimited(
1918                                 &client->dev,
1919                                 "Failed to write reg 0x%4.4x. error = %d\n",
1920                                 regs[i].address, ret);
1921
1922                         return ret;
1923                 }
1924         }
1925
1926         return 0;
1927 }
1928
1929 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1930                                  const struct ov5670_reg_list *r_list)
1931 {
1932         return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1933 }
1934
1935 /* Open sub-device */
1936 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1937 {
1938         struct ov5670 *ov5670 = to_ov5670(sd);
1939         struct v4l2_mbus_framefmt *try_fmt =
1940                                 v4l2_subdev_get_try_format(sd, fh->state, 0);
1941
1942         mutex_lock(&ov5670->mutex);
1943
1944         /* Initialize try_fmt */
1945         try_fmt->width = ov5670->cur_mode->width;
1946         try_fmt->height = ov5670->cur_mode->height;
1947         try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1948         try_fmt->field = V4L2_FIELD_NONE;
1949
1950         /* No crop or compose */
1951         mutex_unlock(&ov5670->mutex);
1952
1953         return 0;
1954 }
1955
1956 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1957 {
1958         int ret;
1959
1960         ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1961                                OV5670_REG_VALUE_16BIT, d_gain);
1962         if (ret)
1963                 return ret;
1964
1965         ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1966                                OV5670_REG_VALUE_16BIT, d_gain);
1967         if (ret)
1968                 return ret;
1969
1970         return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1971                                 OV5670_REG_VALUE_16BIT, d_gain);
1972 }
1973
1974 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1975 {
1976         u32 val;
1977         int ret;
1978
1979         /* Set the bayer order that we support */
1980         ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1981                                OV5670_REG_VALUE_08BIT, 0);
1982         if (ret)
1983                 return ret;
1984
1985         ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1986                               OV5670_REG_VALUE_08BIT, &val);
1987         if (ret)
1988                 return ret;
1989
1990         if (pattern)
1991                 val |= OV5670_TEST_PATTERN_ENABLE;
1992         else
1993                 val &= ~OV5670_TEST_PATTERN_ENABLE;
1994
1995         return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1996                                 OV5670_REG_VALUE_08BIT, val);
1997 }
1998
1999 /* Initialize control handlers */
2000 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2001 {
2002         struct ov5670 *ov5670 = container_of(ctrl->handler,
2003                                              struct ov5670, ctrl_handler);
2004         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2005         s64 max;
2006         int ret = 0;
2007
2008         /* Propagate change of current control to all related controls */
2009         switch (ctrl->id) {
2010         case V4L2_CID_VBLANK:
2011                 /* Update max exposure while meeting expected vblanking */
2012                 max = ov5670->cur_mode->height + ctrl->val - 8;
2013                 __v4l2_ctrl_modify_range(ov5670->exposure,
2014                                          ov5670->exposure->minimum, max,
2015                                          ov5670->exposure->step, max);
2016                 break;
2017         }
2018
2019         /* V4L2 controls values will be applied only when power is already up */
2020         if (!pm_runtime_get_if_in_use(&client->dev))
2021                 return 0;
2022
2023         switch (ctrl->id) {
2024         case V4L2_CID_ANALOGUE_GAIN:
2025                 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2026                                        OV5670_REG_VALUE_16BIT, ctrl->val);
2027                 break;
2028         case V4L2_CID_DIGITAL_GAIN:
2029                 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2030                 break;
2031         case V4L2_CID_EXPOSURE:
2032                 /* 4 least significant bits of expsoure are fractional part */
2033                 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2034                                        OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2035                 break;
2036         case V4L2_CID_VBLANK:
2037                 /* Update VTS that meets expected vertical blanking */
2038                 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2039                                        OV5670_REG_VALUE_16BIT,
2040                                        ov5670->cur_mode->height + ctrl->val);
2041                 break;
2042         case V4L2_CID_TEST_PATTERN:
2043                 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2044                 break;
2045         default:
2046                 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2047                          __func__, ctrl->id, ctrl->val);
2048                 break;
2049         }
2050
2051         pm_runtime_put(&client->dev);
2052
2053         return ret;
2054 }
2055
2056 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2057         .s_ctrl = ov5670_set_ctrl,
2058 };
2059
2060 /* Initialize control handlers */
2061 static int ov5670_init_controls(struct ov5670 *ov5670)
2062 {
2063         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2064         struct v4l2_fwnode_device_properties props;
2065         struct v4l2_ctrl_handler *ctrl_hdlr;
2066         s64 vblank_max;
2067         s64 vblank_def;
2068         s64 vblank_min;
2069         s64 exposure_max;
2070         int ret;
2071
2072         ctrl_hdlr = &ov5670->ctrl_handler;
2073         ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10);
2074         if (ret)
2075                 return ret;
2076
2077         ctrl_hdlr->lock = &ov5670->mutex;
2078         ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2079                                                    &ov5670_ctrl_ops,
2080                                                    V4L2_CID_LINK_FREQ,
2081                                                    0, 0, link_freq_menu_items);
2082         if (ov5670->link_freq)
2083                 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2084
2085         /* By default, V4L2_CID_PIXEL_RATE is read only */
2086         ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2087                                                V4L2_CID_PIXEL_RATE,
2088                                                link_freq_configs[0].pixel_rate,
2089                                                link_freq_configs[0].pixel_rate,
2090                                                1,
2091                                                link_freq_configs[0].pixel_rate);
2092
2093         vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2094         vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2095         vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2096         ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2097                                            V4L2_CID_VBLANK, vblank_min,
2098                                            vblank_max, 1, vblank_def);
2099
2100         ov5670->hblank = v4l2_ctrl_new_std(
2101                                 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2102                                 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2103                                 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2104                                 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2105         if (ov5670->hblank)
2106                 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2107
2108         /* Get min, max, step, default from sensor */
2109         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2110                           ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2111                           ANALOG_GAIN_DEFAULT);
2112
2113         /* Digital gain */
2114         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2115                           OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2116                           OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2117
2118         /* Get min, max, step, default from sensor */
2119         exposure_max = ov5670->cur_mode->vts_def - 8;
2120         ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2121                                              V4L2_CID_EXPOSURE,
2122                                              OV5670_EXPOSURE_MIN,
2123                                              exposure_max, OV5670_EXPOSURE_STEP,
2124                                              exposure_max);
2125
2126         v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2127                                      V4L2_CID_TEST_PATTERN,
2128                                      ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2129                                      0, 0, ov5670_test_pattern_menu);
2130
2131         if (ctrl_hdlr->error) {
2132                 ret = ctrl_hdlr->error;
2133                 goto error;
2134         }
2135
2136         ret = v4l2_fwnode_device_parse(&client->dev, &props);
2137         if (ret)
2138                 goto error;
2139
2140         ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov5670_ctrl_ops,
2141                                               &props);
2142         if (ret)
2143                 goto error;
2144
2145         ov5670->sd.ctrl_handler = ctrl_hdlr;
2146
2147         return 0;
2148
2149 error:
2150         v4l2_ctrl_handler_free(ctrl_hdlr);
2151
2152         return ret;
2153 }
2154
2155 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2156                                  struct v4l2_subdev_state *sd_state,
2157                                  struct v4l2_subdev_mbus_code_enum *code)
2158 {
2159         /* Only one bayer order GRBG is supported */
2160         if (code->index > 0)
2161                 return -EINVAL;
2162
2163         code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2164
2165         return 0;
2166 }
2167
2168 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2169                                   struct v4l2_subdev_state *sd_state,
2170                                   struct v4l2_subdev_frame_size_enum *fse)
2171 {
2172         if (fse->index >= ARRAY_SIZE(supported_modes))
2173                 return -EINVAL;
2174
2175         if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2176                 return -EINVAL;
2177
2178         fse->min_width = supported_modes[fse->index].width;
2179         fse->max_width = fse->min_width;
2180         fse->min_height = supported_modes[fse->index].height;
2181         fse->max_height = fse->min_height;
2182
2183         return 0;
2184 }
2185
2186 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2187                                      struct v4l2_subdev_format *fmt)
2188 {
2189         fmt->format.width = mode->width;
2190         fmt->format.height = mode->height;
2191         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2192         fmt->format.field = V4L2_FIELD_NONE;
2193 }
2194
2195 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2196                                     struct v4l2_subdev_state *sd_state,
2197                                     struct v4l2_subdev_format *fmt)
2198 {
2199         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2200                 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd,
2201                                                           sd_state,
2202                                                           fmt->pad);
2203         else
2204                 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2205
2206         return 0;
2207 }
2208
2209 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2210                                  struct v4l2_subdev_state *sd_state,
2211                                  struct v4l2_subdev_format *fmt)
2212 {
2213         struct ov5670 *ov5670 = to_ov5670(sd);
2214         int ret;
2215
2216         mutex_lock(&ov5670->mutex);
2217         ret = ov5670_do_get_pad_format(ov5670, sd_state, fmt);
2218         mutex_unlock(&ov5670->mutex);
2219
2220         return ret;
2221 }
2222
2223 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2224                                  struct v4l2_subdev_state *sd_state,
2225                                  struct v4l2_subdev_format *fmt)
2226 {
2227         struct ov5670 *ov5670 = to_ov5670(sd);
2228         const struct ov5670_mode *mode;
2229         s32 vblank_def;
2230         s32 h_blank;
2231
2232         mutex_lock(&ov5670->mutex);
2233
2234         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2235
2236         mode = v4l2_find_nearest_size(supported_modes,
2237                                       ARRAY_SIZE(supported_modes),
2238                                       width, height,
2239                                       fmt->format.width, fmt->format.height);
2240         ov5670_update_pad_format(mode, fmt);
2241         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2242                 *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
2243         } else {
2244                 ov5670->cur_mode = mode;
2245                 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2246                 __v4l2_ctrl_s_ctrl_int64(
2247                         ov5670->pixel_rate,
2248                         link_freq_configs[mode->link_freq_index].pixel_rate);
2249                 /* Update limits and set FPS to default */
2250                 vblank_def = ov5670->cur_mode->vts_def -
2251                              ov5670->cur_mode->height;
2252                 __v4l2_ctrl_modify_range(
2253                         ov5670->vblank,
2254                         ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2255                         OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2256                         vblank_def);
2257                 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2258                 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2259                 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2260                                          h_blank);
2261         }
2262
2263         mutex_unlock(&ov5670->mutex);
2264
2265         return 0;
2266 }
2267
2268 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2269 {
2270         *frames = OV5670_NUM_OF_SKIP_FRAMES;
2271
2272         return 0;
2273 }
2274
2275 /* Prepare streaming by writing default values and customized values */
2276 static int ov5670_start_streaming(struct ov5670 *ov5670)
2277 {
2278         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2279         const struct ov5670_reg_list *reg_list;
2280         int link_freq_index;
2281         int ret;
2282
2283         /* Get out of from software reset */
2284         ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2285                                OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2286         if (ret) {
2287                 dev_err(&client->dev, "%s failed to set powerup registers\n",
2288                         __func__);
2289                 return ret;
2290         }
2291
2292         /* Setup PLL */
2293         link_freq_index = ov5670->cur_mode->link_freq_index;
2294         reg_list = &link_freq_configs[link_freq_index].reg_list;
2295         ret = ov5670_write_reg_list(ov5670, reg_list);
2296         if (ret) {
2297                 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2298                 return ret;
2299         }
2300
2301         /* Apply default values of current mode */
2302         reg_list = &ov5670->cur_mode->reg_list;
2303         ret = ov5670_write_reg_list(ov5670, reg_list);
2304         if (ret) {
2305                 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2306                 return ret;
2307         }
2308
2309         ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2310         if (ret)
2311                 return ret;
2312
2313         /* Write stream on list */
2314         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2315                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2316         if (ret) {
2317                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2318                 return ret;
2319         }
2320
2321         return 0;
2322 }
2323
2324 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2325 {
2326         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2327         int ret;
2328
2329         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2330                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2331         if (ret)
2332                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2333
2334         /* Return success even if it was an error, as there is nothing the
2335          * caller can do about it.
2336          */
2337         return 0;
2338 }
2339
2340 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2341 {
2342         struct ov5670 *ov5670 = to_ov5670(sd);
2343         struct i2c_client *client = v4l2_get_subdevdata(sd);
2344         int ret = 0;
2345
2346         mutex_lock(&ov5670->mutex);
2347         if (ov5670->streaming == enable)
2348                 goto unlock_and_return;
2349
2350         if (enable) {
2351                 ret = pm_runtime_resume_and_get(&client->dev);
2352                 if (ret < 0)
2353                         goto unlock_and_return;
2354
2355                 ret = ov5670_start_streaming(ov5670);
2356                 if (ret)
2357                         goto error;
2358         } else {
2359                 ret = ov5670_stop_streaming(ov5670);
2360                 pm_runtime_put(&client->dev);
2361         }
2362         ov5670->streaming = enable;
2363         goto unlock_and_return;
2364
2365 error:
2366         pm_runtime_put(&client->dev);
2367
2368 unlock_and_return:
2369         mutex_unlock(&ov5670->mutex);
2370
2371         return ret;
2372 }
2373
2374 static int __maybe_unused ov5670_suspend(struct device *dev)
2375 {
2376         struct v4l2_subdev *sd = dev_get_drvdata(dev);
2377         struct ov5670 *ov5670 = to_ov5670(sd);
2378
2379         if (ov5670->streaming)
2380                 ov5670_stop_streaming(ov5670);
2381
2382         return 0;
2383 }
2384
2385 static int __maybe_unused ov5670_resume(struct device *dev)
2386 {
2387         struct v4l2_subdev *sd = dev_get_drvdata(dev);
2388         struct ov5670 *ov5670 = to_ov5670(sd);
2389         int ret;
2390
2391         if (ov5670->streaming) {
2392                 ret = ov5670_start_streaming(ov5670);
2393                 if (ret) {
2394                         ov5670_stop_streaming(ov5670);
2395                         return ret;
2396                 }
2397         }
2398
2399         return 0;
2400 }
2401
2402 /* Verify chip ID */
2403 static int ov5670_identify_module(struct ov5670 *ov5670)
2404 {
2405         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2406         int ret;
2407         u32 val;
2408
2409         ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2410                               OV5670_REG_VALUE_24BIT, &val);
2411         if (ret)
2412                 return ret;
2413
2414         if (val != OV5670_CHIP_ID) {
2415                 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2416                         OV5670_CHIP_ID, val);
2417                 return -ENXIO;
2418         }
2419
2420         return 0;
2421 }
2422
2423 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2424         .s_stream = ov5670_set_stream,
2425 };
2426
2427 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2428         .enum_mbus_code = ov5670_enum_mbus_code,
2429         .get_fmt = ov5670_get_pad_format,
2430         .set_fmt = ov5670_set_pad_format,
2431         .enum_frame_size = ov5670_enum_frame_size,
2432 };
2433
2434 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2435         .g_skip_frames = ov5670_get_skip_frames,
2436 };
2437
2438 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2439         .video = &ov5670_video_ops,
2440         .pad = &ov5670_pad_ops,
2441         .sensor = &ov5670_sensor_ops,
2442 };
2443
2444 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2445         .link_validate = v4l2_subdev_link_validate,
2446 };
2447
2448 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2449         .open = ov5670_open,
2450 };
2451
2452 static int ov5670_probe(struct i2c_client *client)
2453 {
2454         struct ov5670 *ov5670;
2455         const char *err_msg;
2456         u32 input_clk = 0;
2457         int ret;
2458
2459         device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2460         if (input_clk != 19200000)
2461                 return -EINVAL;
2462
2463         ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2464         if (!ov5670) {
2465                 ret = -ENOMEM;
2466                 err_msg = "devm_kzalloc() error";
2467                 goto error_print;
2468         }
2469
2470         /* Initialize subdev */
2471         v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2472
2473         /* Check module identity */
2474         ret = ov5670_identify_module(ov5670);
2475         if (ret) {
2476                 err_msg = "ov5670_identify_module() error";
2477                 goto error_print;
2478         }
2479
2480         mutex_init(&ov5670->mutex);
2481
2482         /* Set default mode to max resolution */
2483         ov5670->cur_mode = &supported_modes[0];
2484
2485         ret = ov5670_init_controls(ov5670);
2486         if (ret) {
2487                 err_msg = "ov5670_init_controls() error";
2488                 goto error_mutex_destroy;
2489         }
2490
2491         ov5670->sd.internal_ops = &ov5670_internal_ops;
2492         ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2493         ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2494         ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2495
2496         /* Source pad initialization */
2497         ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2498         ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2499         if (ret) {
2500                 err_msg = "media_entity_pads_init() error";
2501                 goto error_handler_free;
2502         }
2503
2504         /* Async register for subdev */
2505         ret = v4l2_async_register_subdev_sensor(&ov5670->sd);
2506         if (ret < 0) {
2507                 err_msg = "v4l2_async_register_subdev() error";
2508                 goto error_entity_cleanup;
2509         }
2510
2511         ov5670->streaming = false;
2512
2513         /*
2514          * Device is already turned on by i2c-core with ACPI domain PM.
2515          * Enable runtime PM and turn off the device.
2516          */
2517         pm_runtime_set_active(&client->dev);
2518         pm_runtime_enable(&client->dev);
2519         pm_runtime_idle(&client->dev);
2520
2521         return 0;
2522
2523 error_entity_cleanup:
2524         media_entity_cleanup(&ov5670->sd.entity);
2525
2526 error_handler_free:
2527         v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2528
2529 error_mutex_destroy:
2530         mutex_destroy(&ov5670->mutex);
2531
2532 error_print:
2533         dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2534
2535         return ret;
2536 }
2537
2538 static int ov5670_remove(struct i2c_client *client)
2539 {
2540         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2541         struct ov5670 *ov5670 = to_ov5670(sd);
2542
2543         v4l2_async_unregister_subdev(sd);
2544         media_entity_cleanup(&sd->entity);
2545         v4l2_ctrl_handler_free(sd->ctrl_handler);
2546         mutex_destroy(&ov5670->mutex);
2547
2548         pm_runtime_disable(&client->dev);
2549
2550         return 0;
2551 }
2552
2553 static const struct dev_pm_ops ov5670_pm_ops = {
2554         SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2555 };
2556
2557 #ifdef CONFIG_ACPI
2558 static const struct acpi_device_id ov5670_acpi_ids[] = {
2559         {"INT3479"},
2560         { /* sentinel */ }
2561 };
2562
2563 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2564 #endif
2565
2566 static struct i2c_driver ov5670_i2c_driver = {
2567         .driver = {
2568                 .name = "ov5670",
2569                 .pm = &ov5670_pm_ops,
2570                 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2571         },
2572         .probe_new = ov5670_probe,
2573         .remove = ov5670_remove,
2574 };
2575
2576 module_i2c_driver(ov5670_i2c_driver);
2577
2578 MODULE_AUTHOR("Rapolu, Chiranjeevi <chiranjeevi.rapolu@intel.com>");
2579 MODULE_AUTHOR("Yang, Hyungwoo <hyungwoo.yang@intel.com>");
2580 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2581 MODULE_LICENSE("GPL v2");