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
  11 #define OV5670_REG_CHIP_ID              0x300a
  12 #define OV5670_CHIP_ID                  0x005670
  13
  14 #define OV5670_REG_MODE_SELECT          0x0100
  15 #define OV5670_MODE_STANDBY             0x00
  16 #define OV5670_MODE_STREAMING           0x01
  17
  18 #define OV5670_REG_SOFTWARE_RST         0x0103
  19 #define OV5670_SOFTWARE_RST             0x01
  20
  21 /* vertical-timings from sensor */
  22 #define OV5670_REG_VTS                  0x380e
  23 #define OV5670_VTS_30FPS                0x0808 /* default for 30 fps */
  24 #define OV5670_VTS_MAX                  0xffff
  25
  26 /* horizontal-timings from sensor */
  27 #define OV5670_REG_HTS                  0x380c
  28
  29 /*
  30  * Pixels-per-line(PPL) = Time-per-line * pixel-rate
  31  * In OV5670, Time-per-line = HTS/SCLK.
  32  * HTS is fixed for all resolutions, not recommended to change.
  33  */
  34 #define OV5670_FIXED_PPL                2724    /* Pixels per line */
  35
  36 /* Exposure controls from sensor */
  37 #define OV5670_REG_EXPOSURE             0x3500
  38 #define OV5670_EXPOSURE_MIN             4
  39 #define OV5670_EXPOSURE_STEP            1
  40
  41 /* Analog gain controls from sensor */
  42 #define OV5670_REG_ANALOG_GAIN          0x3508
  43 #define ANALOG_GAIN_MIN                 0
  44 #define ANALOG_GAIN_MAX                 8191
  45 #define ANALOG_GAIN_STEP                1
  46 #define ANALOG_GAIN_DEFAULT             128
  47
  48 /* Digital gain controls from sensor */
  49 #define OV5670_REG_R_DGTL_GAIN          0x5032
  50 #define OV5670_REG_G_DGTL_GAIN          0x5034
  51 #define OV5670_REG_B_DGTL_GAIN          0x5036
  52 #define OV5670_DGTL_GAIN_MIN            0
  53 #define OV5670_DGTL_GAIN_MAX            4095
  54 #define OV5670_DGTL_GAIN_STEP           1
  55 #define OV5670_DGTL_GAIN_DEFAULT        1024
  56
  57 /* Test Pattern Control */
  58 #define OV5670_REG_TEST_PATTERN         0x4303
  59 #define OV5670_TEST_PATTERN_ENABLE      BIT(3)
  60 #define OV5670_REG_TEST_PATTERN_CTRL    0x4320
  61
  62 #define OV5670_REG_VALUE_08BIT          1
  63 #define OV5670_REG_VALUE_16BIT          2
  64 #define OV5670_REG_VALUE_24BIT          3
  65
  66 /* Initial number of frames to skip to avoid possible garbage */
  67 #define OV5670_NUM_OF_SKIP_FRAMES       2
  68
  69 struct ov5670_reg {
  70         u16 address;
  71         u8 val;
  72 };
  73
  74 struct ov5670_reg_list {
  75         u32 num_of_regs;
  76         const struct ov5670_reg *regs;
  77 };
  78
  79 struct ov5670_link_freq_config {
  80         u32 pixel_rate;
  81         const struct ov5670_reg_list reg_list;
  82 };
  83
  84 struct ov5670_mode {
  85         /* Frame width in pixels */
  86         u32 width;
  87
  88         /* Frame height in pixels */
  89         u32 height;
  90
  91         /* Default vertical timining size */
  92         u32 vts_def;
  93
  94         /* Min vertical timining size */
  95         u32 vts_min;
  96
  97         /* Link frequency needed for this resolution */
  98         u32 link_freq_index;
  99
 100         /* Sensor register settings for this resolution */
 101         const struct ov5670_reg_list reg_list;
 102 };
 103
 104 static const struct ov5670_reg mipi_data_rate_840mbps[] = {
 105         {0x0300, 0x04},
 106         {0x0301, 0x00},
 107         {0x0302, 0x84},
 108         {0x0303, 0x00},
 109         {0x0304, 0x03},
 110         {0x0305, 0x01},
 111         {0x0306, 0x01},
 112         {0x030a, 0x00},
 113         {0x030b, 0x00},
 114         {0x030c, 0x00},
 115         {0x030d, 0x26},
 116         {0x030e, 0x00},
 117         {0x030f, 0x06},
 118         {0x0312, 0x01},
 119         {0x3031, 0x0a},
 120 };
 121
 122 static const struct ov5670_reg mode_2592x1944_regs[] = {
 123         {0x3000, 0x00},
 124         {0x3002, 0x21},
 125         {0x3005, 0xf0},
 126         {0x3007, 0x00},
 127         {0x3015, 0x0f},
 128         {0x3018, 0x32},
 129         {0x301a, 0xf0},
 130         {0x301b, 0xf0},
 131         {0x301c, 0xf0},
 132         {0x301d, 0xf0},
 133         {0x301e, 0xf0},
 134         {0x3030, 0x00},
 135         {0x3031, 0x0a},
 136         {0x303c, 0xff},
 137         {0x303e, 0xff},
 138         {0x3040, 0xf0},
 139         {0x3041, 0x00},
 140         {0x3042, 0xf0},
 141         {0x3106, 0x11},
 142         {0x3500, 0x00},
 143         {0x3501, 0x80},
 144         {0x3502, 0x00},
 145         {0x3503, 0x04},
 146         {0x3504, 0x03},
 147         {0x3505, 0x83},
 148         {0x3508, 0x04},
 149         {0x3509, 0x00},
 150         {0x350e, 0x04},
 151         {0x350f, 0x00},
 152         {0x3510, 0x00},
 153         {0x3511, 0x02},
 154         {0x3512, 0x00},
 155         {0x3601, 0xc8},
 156         {0x3610, 0x88},
 157         {0x3612, 0x48},
 158         {0x3614, 0x5b},
 159         {0x3615, 0x96},
 160         {0x3621, 0xd0},
 161         {0x3622, 0x00},
 162         {0x3623, 0x00},
 163         {0x3633, 0x13},
 164         {0x3634, 0x13},
 165         {0x3635, 0x13},
 166         {0x3636, 0x13},
 167         {0x3645, 0x13},
 168         {0x3646, 0x82},
 169         {0x3650, 0x00},
 170         {0x3652, 0xff},
 171         {0x3655, 0x20},
 172         {0x3656, 0xff},
 173         {0x365a, 0xff},
 174         {0x365e, 0xff},
 175         {0x3668, 0x00},
 176         {0x366a, 0x07},
 177         {0x366e, 0x10},
 178         {0x366d, 0x00},
 179         {0x366f, 0x80},
 180         {0x3700, 0x28},
 181         {0x3701, 0x10},
 182         {0x3702, 0x3a},
 183         {0x3703, 0x19},
 184         {0x3704, 0x10},
 185         {0x3705, 0x00},
 186         {0x3706, 0x66},
 187         {0x3707, 0x08},
 188         {0x3708, 0x34},
 189         {0x3709, 0x40},
 190         {0x370a, 0x01},
 191         {0x370b, 0x1b},
 192         {0x3714, 0x24},
 193         {0x371a, 0x3e},
 194         {0x3733, 0x00},
 195         {0x3734, 0x00},
 196         {0x373a, 0x05},
 197         {0x373b, 0x06},
 198         {0x373c, 0x0a},
 199         {0x373f, 0xa0},
 200         {0x3755, 0x00},
 201         {0x3758, 0x00},
 202         {0x375b, 0x0e},
 203         {0x3766, 0x5f},
 204         {0x3768, 0x00},
 205         {0x3769, 0x22},
 206         {0x3773, 0x08},
 207         {0x3774, 0x1f},
 208         {0x3776, 0x06},
 209         {0x37a0, 0x88},
 210         {0x37a1, 0x5c},
 211         {0x37a7, 0x88},
 212         {0x37a8, 0x70},
 213         {0x37aa, 0x88},
 214         {0x37ab, 0x48},
 215         {0x37b3, 0x66},
 216         {0x37c2, 0x04},
 217         {0x37c5, 0x00},
 218         {0x37c8, 0x00},
 219         {0x3800, 0x00},
 220         {0x3801, 0x0c},
 221         {0x3802, 0x00},
 222         {0x3803, 0x04},
 223         {0x3804, 0x0a},
 224         {0x3805, 0x33},
 225         {0x3806, 0x07},
 226         {0x3807, 0xa3},
 227         {0x3808, 0x0a},
 228         {0x3809, 0x20},
 229         {0x380a, 0x07},
 230         {0x380b, 0x98},
 231         {0x380c, 0x06},
 232         {0x380d, 0x90},
 233         {0x380e, 0x08},
 234         {0x380f, 0x08},
 235         {0x3811, 0x04},
 236         {0x3813, 0x02},
 237         {0x3814, 0x01},
 238         {0x3815, 0x01},
 239         {0x3816, 0x00},
 240         {0x3817, 0x00},
 241         {0x3818, 0x00},
 242         {0x3819, 0x00},
 243         {0x3820, 0x84},
 244         {0x3821, 0x46},
 245         {0x3822, 0x48},
 246         {0x3826, 0x00},
 247         {0x3827, 0x08},
 248         {0x382a, 0x01},
 249         {0x382b, 0x01},
 250         {0x3830, 0x08},
 251         {0x3836, 0x02},
 252         {0x3837, 0x00},
 253         {0x3838, 0x10},
 254         {0x3841, 0xff},
 255         {0x3846, 0x48},
 256         {0x3861, 0x00},
 257         {0x3862, 0x04},
 258         {0x3863, 0x06},
 259         {0x3a11, 0x01},
 260         {0x3a12, 0x78},
 261         {0x3b00, 0x00},
 262         {0x3b02, 0x00},
 263         {0x3b03, 0x00},
 264         {0x3b04, 0x00},
 265         {0x3b05, 0x00},
 266         {0x3c00, 0x89},
 267         {0x3c01, 0xab},
 268         {0x3c02, 0x01},
 269         {0x3c03, 0x00},
 270         {0x3c04, 0x00},
 271         {0x3c05, 0x03},
 272         {0x3c06, 0x00},
 273         {0x3c07, 0x05},
 274         {0x3c0c, 0x00},
 275         {0x3c0d, 0x00},
 276         {0x3c0e, 0x00},
 277         {0x3c0f, 0x00},
 278         {0x3c40, 0x00},
 279         {0x3c41, 0xa3},
 280         {0x3c43, 0x7d},
 281         {0x3c45, 0xd7},
 282         {0x3c47, 0xfc},
 283         {0x3c50, 0x05},
 284         {0x3c52, 0xaa},
 285         {0x3c54, 0x71},
 286         {0x3c56, 0x80},
 287         {0x3d85, 0x17},
 288         {0x3f03, 0x00},
 289         {0x3f0a, 0x00},
 290         {0x3f0b, 0x00},
 291         {0x4001, 0x60},
 292         {0x4009, 0x0d},
 293         {0x4020, 0x00},
 294         {0x4021, 0x00},
 295         {0x4022, 0x00},
 296         {0x4023, 0x00},
 297         {0x4024, 0x00},
 298         {0x4025, 0x00},
 299         {0x4026, 0x00},
 300         {0x4027, 0x00},
 301         {0x4028, 0x00},
 302         {0x4029, 0x00},
 303         {0x402a, 0x00},
 304         {0x402b, 0x00},
 305         {0x402c, 0x00},
 306         {0x402d, 0x00},
 307         {0x402e, 0x00},
 308         {0x402f, 0x00},
 309         {0x4040, 0x00},
 310         {0x4041, 0x03},
 311         {0x4042, 0x00},
 312         {0x4043, 0x7A},
 313         {0x4044, 0x00},
 314         {0x4045, 0x7A},
 315         {0x4046, 0x00},
 316         {0x4047, 0x7A},
 317         {0x4048, 0x00},
 318         {0x4049, 0x7A},
 319         {0x4307, 0x30},
 320         {0x4500, 0x58},
 321         {0x4501, 0x04},
 322         {0x4502, 0x40},
 323         {0x4503, 0x10},
 324         {0x4508, 0xaa},
 325         {0x4509, 0xaa},
 326         {0x450a, 0x00},
 327         {0x450b, 0x00},
 328         {0x4600, 0x01},
 329         {0x4601, 0x03},
 330         {0x4700, 0xa4},
 331         {0x4800, 0x4c},
 332         {0x4816, 0x53},
 333         {0x481f, 0x40},
 334         {0x4837, 0x13},
 335         {0x5000, 0x56},
 336         {0x5001, 0x01},
 337         {0x5002, 0x28},
 338         {0x5004, 0x0c},
 339         {0x5006, 0x0c},
 340         {0x5007, 0xe0},
 341         {0x5008, 0x01},
 342         {0x5009, 0xb0},
 343         {0x5901, 0x00},
 344         {0x5a01, 0x00},
 345         {0x5a03, 0x00},
 346         {0x5a04, 0x0c},
 347         {0x5a05, 0xe0},
 348         {0x5a06, 0x09},
 349         {0x5a07, 0xb0},
 350         {0x5a08, 0x06},
 351         {0x5e00, 0x00},
 352         {0x3734, 0x40},
 353         {0x5b00, 0x01},
 354         {0x5b01, 0x10},
 355         {0x5b02, 0x01},
 356         {0x5b03, 0xdb},
 357         {0x3d8c, 0x71},
 358         {0x3d8d, 0xea},
 359         {0x4017, 0x08},
 360         {0x3618, 0x2a},
 361         {0x5780, 0x3e},
 362         {0x5781, 0x0f},
 363         {0x5782, 0x44},
 364         {0x5783, 0x02},
 365         {0x5784, 0x01},
 366         {0x5785, 0x01},
 367         {0x5786, 0x00},
 368         {0x5787, 0x04},
 369         {0x5788, 0x02},
 370         {0x5789, 0x0f},
 371         {0x578a, 0xfd},
 372         {0x578b, 0xf5},
 373         {0x578c, 0xf5},
 374         {0x578d, 0x03},
 375         {0x578e, 0x08},
 376         {0x578f, 0x0c},
 377         {0x5790, 0x08},
 378         {0x5791, 0x06},
 379         {0x5792, 0x00},
 380         {0x5793, 0x52},
 381         {0x5794, 0xa3},
 382         {0x3503, 0x00},
 383         {0x5045, 0x05},
 384         {0x4003, 0x40},
 385         {0x5048, 0x40}
 386 };
 387
 388 static const struct ov5670_reg mode_1296x972_regs[] = {
 389         {0x3000, 0x00},
 390         {0x3002, 0x21},
 391         {0x3005, 0xf0},
 392         {0x3007, 0x00},
 393         {0x3015, 0x0f},
 394         {0x3018, 0x32},
 395         {0x301a, 0xf0},
 396         {0x301b, 0xf0},
 397         {0x301c, 0xf0},
 398         {0x301d, 0xf0},
 399         {0x301e, 0xf0},
 400         {0x3030, 0x00},
 401         {0x3031, 0x0a},
 402         {0x303c, 0xff},
 403         {0x303e, 0xff},
 404         {0x3040, 0xf0},
 405         {0x3041, 0x00},
 406         {0x3042, 0xf0},
 407         {0x3106, 0x11},
 408         {0x3500, 0x00},
 409         {0x3501, 0x80},
 410         {0x3502, 0x00},
 411         {0x3503, 0x04},
 412         {0x3504, 0x03},
 413         {0x3505, 0x83},
 414         {0x3508, 0x07},
 415         {0x3509, 0x80},
 416         {0x350e, 0x04},
 417         {0x350f, 0x00},
 418         {0x3510, 0x00},
 419         {0x3511, 0x02},
 420         {0x3512, 0x00},
 421         {0x3601, 0xc8},
 422         {0x3610, 0x88},
 423         {0x3612, 0x48},
 424         {0x3614, 0x5b},
 425         {0x3615, 0x96},
 426         {0x3621, 0xd0},
 427         {0x3622, 0x00},
 428         {0x3623, 0x00},
 429         {0x3633, 0x13},
 430         {0x3634, 0x13},
 431         {0x3635, 0x13},
 432         {0x3636, 0x13},
 433         {0x3645, 0x13},
 434         {0x3646, 0x82},
 435         {0x3650, 0x00},
 436         {0x3652, 0xff},
 437         {0x3655, 0x20},
 438         {0x3656, 0xff},
 439         {0x365a, 0xff},
 440         {0x365e, 0xff},
 441         {0x3668, 0x00},
 442         {0x366a, 0x07},
 443         {0x366e, 0x08},
 444         {0x366d, 0x00},
 445         {0x366f, 0x80},
 446         {0x3700, 0x28},
 447         {0x3701, 0x10},
 448         {0x3702, 0x3a},
 449         {0x3703, 0x19},
 450         {0x3704, 0x10},
 451         {0x3705, 0x00},
 452         {0x3706, 0x66},
 453         {0x3707, 0x08},
 454         {0x3708, 0x34},
 455         {0x3709, 0x40},
 456         {0x370a, 0x01},
 457         {0x370b, 0x1b},
 458         {0x3714, 0x24},
 459         {0x371a, 0x3e},
 460         {0x3733, 0x00},
 461         {0x3734, 0x00},
 462         {0x373a, 0x05},
 463         {0x373b, 0x06},
 464         {0x373c, 0x0a},
 465         {0x373f, 0xa0},
 466         {0x3755, 0x00},
 467         {0x3758, 0x00},
 468         {0x375b, 0x0e},
 469         {0x3766, 0x5f},
 470         {0x3768, 0x00},
 471         {0x3769, 0x22},
 472         {0x3773, 0x08},
 473         {0x3774, 0x1f},
 474         {0x3776, 0x06},
 475         {0x37a0, 0x88},
 476         {0x37a1, 0x5c},
 477         {0x37a7, 0x88},
 478         {0x37a8, 0x70},
 479         {0x37aa, 0x88},
 480         {0x37ab, 0x48},
 481         {0x37b3, 0x66},
 482         {0x37c2, 0x04},
 483         {0x37c5, 0x00},
 484         {0x37c8, 0x00},
 485         {0x3800, 0x00},
 486         {0x3801, 0x0c},
 487         {0x3802, 0x00},
 488         {0x3803, 0x04},
 489         {0x3804, 0x0a},
 490         {0x3805, 0x33},
 491         {0x3806, 0x07},
 492         {0x3807, 0xa3},
 493         {0x3808, 0x05},
 494         {0x3809, 0x10},
 495         {0x380a, 0x03},
 496         {0x380b, 0xcc},
 497         {0x380c, 0x06},
 498         {0x380d, 0x90},
 499         {0x380e, 0x08},
 500         {0x380f, 0x08},
 501         {0x3811, 0x04},
 502         {0x3813, 0x04},
 503         {0x3814, 0x03},
 504         {0x3815, 0x01},
 505         {0x3816, 0x00},
 506         {0x3817, 0x00},
 507         {0x3818, 0x00},
 508         {0x3819, 0x00},
 509         {0x3820, 0x94},
 510         {0x3821, 0x47},
 511         {0x3822, 0x48},
 512         {0x3826, 0x00},
 513         {0x3827, 0x08},
 514         {0x382a, 0x03},
 515         {0x382b, 0x01},
 516         {0x3830, 0x08},
 517         {0x3836, 0x02},
 518         {0x3837, 0x00},
 519         {0x3838, 0x10},
 520         {0x3841, 0xff},
 521         {0x3846, 0x48},
 522         {0x3861, 0x00},
 523         {0x3862, 0x04},
 524         {0x3863, 0x06},
 525         {0x3a11, 0x01},
 526         {0x3a12, 0x78},
 527         {0x3b00, 0x00},
 528         {0x3b02, 0x00},
 529         {0x3b03, 0x00},
 530         {0x3b04, 0x00},
 531         {0x3b05, 0x00},
 532         {0x3c00, 0x89},
 533         {0x3c01, 0xab},
 534         {0x3c02, 0x01},
 535         {0x3c03, 0x00},
 536         {0x3c04, 0x00},
 537         {0x3c05, 0x03},
 538         {0x3c06, 0x00},
 539         {0x3c07, 0x05},
 540         {0x3c0c, 0x00},
 541         {0x3c0d, 0x00},
 542         {0x3c0e, 0x00},
 543         {0x3c0f, 0x00},
 544         {0x3c40, 0x00},
 545         {0x3c41, 0xa3},
 546         {0x3c43, 0x7d},
 547         {0x3c45, 0xd7},
 548         {0x3c47, 0xfc},
 549         {0x3c50, 0x05},
 550         {0x3c52, 0xaa},
 551         {0x3c54, 0x71},
 552         {0x3c56, 0x80},
 553         {0x3d85, 0x17},
 554         {0x3f03, 0x00},
 555         {0x3f0a, 0x00},
 556         {0x3f0b, 0x00},
 557         {0x4001, 0x60},
 558         {0x4009, 0x05},
 559         {0x4020, 0x00},
 560         {0x4021, 0x00},
 561         {0x4022, 0x00},
 562         {0x4023, 0x00},
 563         {0x4024, 0x00},
 564         {0x4025, 0x00},
 565         {0x4026, 0x00},
 566         {0x4027, 0x00},
 567         {0x4028, 0x00},
 568         {0x4029, 0x00},
 569         {0x402a, 0x00},
 570         {0x402b, 0x00},
 571         {0x402c, 0x00},
 572         {0x402d, 0x00},
 573         {0x402e, 0x00},
 574         {0x402f, 0x00},
 575         {0x4040, 0x00},
 576         {0x4041, 0x03},
 577         {0x4042, 0x00},
 578         {0x4043, 0x7A},
 579         {0x4044, 0x00},
 580         {0x4045, 0x7A},
 581         {0x4046, 0x00},
 582         {0x4047, 0x7A},
 583         {0x4048, 0x00},
 584         {0x4049, 0x7A},
 585         {0x4307, 0x30},
 586         {0x4500, 0x58},
 587         {0x4501, 0x04},
 588         {0x4502, 0x48},
 589         {0x4503, 0x10},
 590         {0x4508, 0x55},
 591         {0x4509, 0x55},
 592         {0x450a, 0x00},
 593         {0x450b, 0x00},
 594         {0x4600, 0x00},
 595         {0x4601, 0x81},
 596         {0x4700, 0xa4},
 597         {0x4800, 0x4c},
 598         {0x4816, 0x53},
 599         {0x481f, 0x40},
 600         {0x4837, 0x13},
 601         {0x5000, 0x56},
 602         {0x5001, 0x01},
 603         {0x5002, 0x28},
 604         {0x5004, 0x0c},
 605         {0x5006, 0x0c},
 606         {0x5007, 0xe0},
 607         {0x5008, 0x01},
 608         {0x5009, 0xb0},
 609         {0x5901, 0x00},
 610         {0x5a01, 0x00},
 611         {0x5a03, 0x00},
 612         {0x5a04, 0x0c},
 613         {0x5a05, 0xe0},
 614         {0x5a06, 0x09},
 615         {0x5a07, 0xb0},
 616         {0x5a08, 0x06},
 617         {0x5e00, 0x00},
 618         {0x3734, 0x40},
 619         {0x5b00, 0x01},
 620         {0x5b01, 0x10},
 621         {0x5b02, 0x01},
 622         {0x5b03, 0xdb},
 623         {0x3d8c, 0x71},
 624         {0x3d8d, 0xea},
 625         {0x4017, 0x10},
 626         {0x3618, 0x2a},
 627         {0x5780, 0x3e},
 628         {0x5781, 0x0f},
 629         {0x5782, 0x44},
 630         {0x5783, 0x02},
 631         {0x5784, 0x01},
 632         {0x5785, 0x01},
 633         {0x5786, 0x00},
 634         {0x5787, 0x04},
 635         {0x5788, 0x02},
 636         {0x5789, 0x0f},
 637         {0x578a, 0xfd},
 638         {0x578b, 0xf5},
 639         {0x578c, 0xf5},
 640         {0x578d, 0x03},
 641         {0x578e, 0x08},
 642         {0x578f, 0x0c},
 643         {0x5790, 0x08},
 644         {0x5791, 0x04},
 645         {0x5792, 0x00},
 646         {0x5793, 0x52},
 647         {0x5794, 0xa3},
 648         {0x3503, 0x00},
 649         {0x5045, 0x05},
 650         {0x4003, 0x40},
 651         {0x5048, 0x40}
 652 };
 653
 654 static const struct ov5670_reg mode_648x486_regs[] = {
 655         {0x3000, 0x00},
 656         {0x3002, 0x21},
 657         {0x3005, 0xf0},
 658         {0x3007, 0x00},
 659         {0x3015, 0x0f},
 660         {0x3018, 0x32},
 661         {0x301a, 0xf0},
 662         {0x301b, 0xf0},
 663         {0x301c, 0xf0},
 664         {0x301d, 0xf0},
 665         {0x301e, 0xf0},
 666         {0x3030, 0x00},
 667         {0x3031, 0x0a},
 668         {0x303c, 0xff},
 669         {0x303e, 0xff},
 670         {0x3040, 0xf0},
 671         {0x3041, 0x00},
 672         {0x3042, 0xf0},
 673         {0x3106, 0x11},
 674         {0x3500, 0x00},
 675         {0x3501, 0x80},
 676         {0x3502, 0x00},
 677         {0x3503, 0x04},
 678         {0x3504, 0x03},
 679         {0x3505, 0x83},
 680         {0x3508, 0x04},
 681         {0x3509, 0x00},
 682         {0x350e, 0x04},
 683         {0x350f, 0x00},
 684         {0x3510, 0x00},
 685         {0x3511, 0x02},
 686         {0x3512, 0x00},
 687         {0x3601, 0xc8},
 688         {0x3610, 0x88},
 689         {0x3612, 0x48},
 690         {0x3614, 0x5b},
 691         {0x3615, 0x96},
 692         {0x3621, 0xd0},
 693         {0x3622, 0x00},
 694         {0x3623, 0x04},
 695         {0x3633, 0x13},
 696         {0x3634, 0x13},
 697         {0x3635, 0x13},
 698         {0x3636, 0x13},
 699         {0x3645, 0x13},
 700         {0x3646, 0x82},
 701         {0x3650, 0x00},
 702         {0x3652, 0xff},
 703         {0x3655, 0x20},
 704         {0x3656, 0xff},
 705         {0x365a, 0xff},
 706         {0x365e, 0xff},
 707         {0x3668, 0x00},
 708         {0x366a, 0x07},
 709         {0x366e, 0x08},
 710         {0x366d, 0x00},
 711         {0x366f, 0x80},
 712         {0x3700, 0x28},
 713         {0x3701, 0x10},
 714         {0x3702, 0x3a},
 715         {0x3703, 0x19},
 716         {0x3704, 0x10},
 717         {0x3705, 0x00},
 718         {0x3706, 0x66},
 719         {0x3707, 0x08},
 720         {0x3708, 0x34},
 721         {0x3709, 0x40},
 722         {0x370a, 0x01},
 723         {0x370b, 0x1b},
 724         {0x3714, 0x24},
 725         {0x371a, 0x3e},
 726         {0x3733, 0x00},
 727         {0x3734, 0x00},
 728         {0x373a, 0x05},
 729         {0x373b, 0x06},
 730         {0x373c, 0x0a},
 731         {0x373f, 0xa0},
 732         {0x3755, 0x00},
 733         {0x3758, 0x00},
 734         {0x375b, 0x0e},
 735         {0x3766, 0x5f},
 736         {0x3768, 0x00},
 737         {0x3769, 0x22},
 738         {0x3773, 0x08},
 739         {0x3774, 0x1f},
 740         {0x3776, 0x06},
 741         {0x37a0, 0x88},
 742         {0x37a1, 0x5c},
 743         {0x37a7, 0x88},
 744         {0x37a8, 0x70},
 745         {0x37aa, 0x88},
 746         {0x37ab, 0x48},
 747         {0x37b3, 0x66},
 748         {0x37c2, 0x04},
 749         {0x37c5, 0x00},
 750         {0x37c8, 0x00},
 751         {0x3800, 0x00},
 752         {0x3801, 0x0c},
 753         {0x3802, 0x00},
 754         {0x3803, 0x04},
 755         {0x3804, 0x0a},
 756         {0x3805, 0x33},
 757         {0x3806, 0x07},
 758         {0x3807, 0xa3},
 759         {0x3808, 0x02},
 760         {0x3809, 0x88},
 761         {0x380a, 0x01},
 762         {0x380b, 0xe6},
 763         {0x380c, 0x06},
 764         {0x380d, 0x90},
 765         {0x380e, 0x08},
 766         {0x380f, 0x08},
 767         {0x3811, 0x04},
 768         {0x3813, 0x02},
 769         {0x3814, 0x07},
 770         {0x3815, 0x01},
 771         {0x3816, 0x00},
 772         {0x3817, 0x00},
 773         {0x3818, 0x00},
 774         {0x3819, 0x00},
 775         {0x3820, 0x94},
 776         {0x3821, 0xc6},
 777         {0x3822, 0x48},
 778         {0x3826, 0x00},
 779         {0x3827, 0x08},
 780         {0x382a, 0x07},
 781         {0x382b, 0x01},
 782         {0x3830, 0x08},
 783         {0x3836, 0x02},
 784         {0x3837, 0x00},
 785         {0x3838, 0x10},
 786         {0x3841, 0xff},
 787         {0x3846, 0x48},
 788         {0x3861, 0x00},
 789         {0x3862, 0x04},
 790         {0x3863, 0x06},
 791         {0x3a11, 0x01},
 792         {0x3a12, 0x78},
 793         {0x3b00, 0x00},
 794         {0x3b02, 0x00},
 795         {0x3b03, 0x00},
 796         {0x3b04, 0x00},
 797         {0x3b05, 0x00},
 798         {0x3c00, 0x89},
 799         {0x3c01, 0xab},
 800         {0x3c02, 0x01},
 801         {0x3c03, 0x00},
 802         {0x3c04, 0x00},
 803         {0x3c05, 0x03},
 804         {0x3c06, 0x00},
 805         {0x3c07, 0x05},
 806         {0x3c0c, 0x00},
 807         {0x3c0d, 0x00},
 808         {0x3c0e, 0x00},
 809         {0x3c0f, 0x00},
 810         {0x3c40, 0x00},
 811         {0x3c41, 0xa3},
 812         {0x3c43, 0x7d},
 813         {0x3c45, 0xd7},
 814         {0x3c47, 0xfc},
 815         {0x3c50, 0x05},
 816         {0x3c52, 0xaa},
 817         {0x3c54, 0x71},
 818         {0x3c56, 0x80},
 819         {0x3d85, 0x17},
 820         {0x3f03, 0x00},
 821         {0x3f0a, 0x00},
 822         {0x3f0b, 0x00},
 823         {0x4001, 0x60},
 824         {0x4009, 0x05},
 825         {0x4020, 0x00},
 826         {0x4021, 0x00},
 827         {0x4022, 0x00},
 828         {0x4023, 0x00},
 829         {0x4024, 0x00},
 830         {0x4025, 0x00},
 831         {0x4026, 0x00},
 832         {0x4027, 0x00},
 833         {0x4028, 0x00},
 834         {0x4029, 0x00},
 835         {0x402a, 0x00},
 836         {0x402b, 0x00},
 837         {0x402c, 0x00},
 838         {0x402d, 0x00},
 839         {0x402e, 0x00},
 840         {0x402f, 0x00},
 841         {0x4040, 0x00},
 842         {0x4041, 0x03},
 843         {0x4042, 0x00},
 844         {0x4043, 0x7A},
 845         {0x4044, 0x00},
 846         {0x4045, 0x7A},
 847         {0x4046, 0x00},
 848         {0x4047, 0x7A},
 849         {0x4048, 0x00},
 850         {0x4049, 0x7A},
 851         {0x4307, 0x30},
 852         {0x4500, 0x58},
 853         {0x4501, 0x04},
 854         {0x4502, 0x40},
 855         {0x4503, 0x10},
 856         {0x4508, 0x55},
 857         {0x4509, 0x55},
 858         {0x450a, 0x02},
 859         {0x450b, 0x00},
 860         {0x4600, 0x00},
 861         {0x4601, 0x40},
 862         {0x4700, 0xa4},
 863         {0x4800, 0x4c},
 864         {0x4816, 0x53},
 865         {0x481f, 0x40},
 866         {0x4837, 0x13},
 867         {0x5000, 0x56},
 868         {0x5001, 0x01},
 869         {0x5002, 0x28},
 870         {0x5004, 0x0c},
 871         {0x5006, 0x0c},
 872         {0x5007, 0xe0},
 873         {0x5008, 0x01},
 874         {0x5009, 0xb0},
 875         {0x5901, 0x00},
 876         {0x5a01, 0x00},
 877         {0x5a03, 0x00},
 878         {0x5a04, 0x0c},
 879         {0x5a05, 0xe0},
 880         {0x5a06, 0x09},
 881         {0x5a07, 0xb0},
 882         {0x5a08, 0x06},
 883         {0x5e00, 0x00},
 884         {0x3734, 0x40},
 885         {0x5b00, 0x01},
 886         {0x5b01, 0x10},
 887         {0x5b02, 0x01},
 888         {0x5b03, 0xdb},
 889         {0x3d8c, 0x71},
 890         {0x3d8d, 0xea},
 891         {0x4017, 0x10},
 892         {0x3618, 0x2a},
 893         {0x5780, 0x3e},
 894         {0x5781, 0x0f},
 895         {0x5782, 0x44},
 896         {0x5783, 0x02},
 897         {0x5784, 0x01},
 898         {0x5785, 0x01},
 899         {0x5786, 0x00},
 900         {0x5787, 0x04},
 901         {0x5788, 0x02},
 902         {0x5789, 0x0f},
 903         {0x578a, 0xfd},
 904         {0x578b, 0xf5},
 905         {0x578c, 0xf5},
 906         {0x578d, 0x03},
 907         {0x578e, 0x08},
 908         {0x578f, 0x0c},
 909         {0x5790, 0x08},
 910         {0x5791, 0x06},
 911         {0x5792, 0x00},
 912         {0x5793, 0x52},
 913         {0x5794, 0xa3},
 914         {0x3503, 0x00},
 915         {0x5045, 0x05},
 916         {0x4003, 0x40},
 917         {0x5048, 0x40}
 918 };
 919
 920 static const struct ov5670_reg mode_2560x1440_regs[] = {
 921         {0x3000, 0x00},
 922         {0x3002, 0x21},
 923         {0x3005, 0xf0},
 924         {0x3007, 0x00},
 925         {0x3015, 0x0f},
 926         {0x3018, 0x32},
 927         {0x301a, 0xf0},
 928         {0x301b, 0xf0},
 929         {0x301c, 0xf0},
 930         {0x301d, 0xf0},
 931         {0x301e, 0xf0},
 932         {0x3030, 0x00},
 933         {0x3031, 0x0a},
 934         {0x303c, 0xff},
 935         {0x303e, 0xff},
 936         {0x3040, 0xf0},
 937         {0x3041, 0x00},
 938         {0x3042, 0xf0},
 939         {0x3106, 0x11},
 940         {0x3500, 0x00},
 941         {0x3501, 0x80},
 942         {0x3502, 0x00},
 943         {0x3503, 0x04},
 944         {0x3504, 0x03},
 945         {0x3505, 0x83},
 946         {0x3508, 0x04},
 947         {0x3509, 0x00},
 948         {0x350e, 0x04},
 949         {0x350f, 0x00},
 950         {0x3510, 0x00},
 951         {0x3511, 0x02},
 952         {0x3512, 0x00},
 953         {0x3601, 0xc8},
 954         {0x3610, 0x88},
 955         {0x3612, 0x48},
 956         {0x3614, 0x5b},
 957         {0x3615, 0x96},
 958         {0x3621, 0xd0},
 959         {0x3622, 0x00},
 960         {0x3623, 0x00},
 961         {0x3633, 0x13},
 962         {0x3634, 0x13},
 963         {0x3635, 0x13},
 964         {0x3636, 0x13},
 965         {0x3645, 0x13},
 966         {0x3646, 0x82},
 967         {0x3650, 0x00},
 968         {0x3652, 0xff},
 969         {0x3655, 0x20},
 970         {0x3656, 0xff},
 971         {0x365a, 0xff},
 972         {0x365e, 0xff},
 973         {0x3668, 0x00},
 974         {0x366a, 0x07},
 975         {0x366e, 0x10},
 976         {0x366d, 0x00},
 977         {0x366f, 0x80},
 978         {0x3700, 0x28},
 979         {0x3701, 0x10},
 980         {0x3702, 0x3a},
 981         {0x3703, 0x19},
 982         {0x3704, 0x10},
 983         {0x3705, 0x00},
 984         {0x3706, 0x66},
 985         {0x3707, 0x08},
 986         {0x3708, 0x34},
 987         {0x3709, 0x40},
 988         {0x370a, 0x01},
 989         {0x370b, 0x1b},
 990         {0x3714, 0x24},
 991         {0x371a, 0x3e},
 992         {0x3733, 0x00},
 993         {0x3734, 0x00},
 994         {0x373a, 0x05},
 995         {0x373b, 0x06},
 996         {0x373c, 0x0a},
 997         {0x373f, 0xa0},
 998         {0x3755, 0x00},
 999         {0x3758, 0x00},
1000         {0x375b, 0x0e},
1001         {0x3766, 0x5f},
1002         {0x3768, 0x00},
1003         {0x3769, 0x22},
1004         {0x3773, 0x08},
1005         {0x3774, 0x1f},
1006         {0x3776, 0x06},
1007         {0x37a0, 0x88},
1008         {0x37a1, 0x5c},
1009         {0x37a7, 0x88},
1010         {0x37a8, 0x70},
1011         {0x37aa, 0x88},
1012         {0x37ab, 0x48},
1013         {0x37b3, 0x66},
1014         {0x37c2, 0x04},
1015         {0x37c5, 0x00},
1016         {0x37c8, 0x00},
1017         {0x3800, 0x00},
1018         {0x3801, 0x0c},
1019         {0x3802, 0x00},
1020         {0x3803, 0x04},
1021         {0x3804, 0x0a},
1022         {0x3805, 0x33},
1023         {0x3806, 0x07},
1024         {0x3807, 0xa3},
1025         {0x3808, 0x0a},
1026         {0x3809, 0x00},
1027         {0x380a, 0x05},
1028         {0x380b, 0xa0},
1029         {0x380c, 0x06},
1030         {0x380d, 0x90},
1031         {0x380e, 0x08},
1032         {0x380f, 0x08},
1033         {0x3811, 0x04},
1034         {0x3813, 0x02},
1035         {0x3814, 0x01},
1036         {0x3815, 0x01},
1037         {0x3816, 0x00},
1038         {0x3817, 0x00},
1039         {0x3818, 0x00},
1040         {0x3819, 0x00},
1041         {0x3820, 0x84},
1042         {0x3821, 0x46},
1043         {0x3822, 0x48},
1044         {0x3826, 0x00},
1045         {0x3827, 0x08},
1046         {0x382a, 0x01},
1047         {0x382b, 0x01},
1048         {0x3830, 0x08},
1049         {0x3836, 0x02},
1050         {0x3837, 0x00},
1051         {0x3838, 0x10},
1052         {0x3841, 0xff},
1053         {0x3846, 0x48},
1054         {0x3861, 0x00},
1055         {0x3862, 0x04},
1056         {0x3863, 0x06},
1057         {0x3a11, 0x01},
1058         {0x3a12, 0x78},
1059         {0x3b00, 0x00},
1060         {0x3b02, 0x00},
1061         {0x3b03, 0x00},
1062         {0x3b04, 0x00},
1063         {0x3b05, 0x00},
1064         {0x3c00, 0x89},
1065         {0x3c01, 0xab},
1066         {0x3c02, 0x01},
1067         {0x3c03, 0x00},
1068         {0x3c04, 0x00},
1069         {0x3c05, 0x03},
1070         {0x3c06, 0x00},
1071         {0x3c07, 0x05},
1072         {0x3c0c, 0x00},
1073         {0x3c0d, 0x00},
1074         {0x3c0e, 0x00},
1075         {0x3c0f, 0x00},
1076         {0x3c40, 0x00},
1077         {0x3c41, 0xa3},
1078         {0x3c43, 0x7d},
1079         {0x3c45, 0xd7},
1080         {0x3c47, 0xfc},
1081         {0x3c50, 0x05},
1082         {0x3c52, 0xaa},
1083         {0x3c54, 0x71},
1084         {0x3c56, 0x80},
1085         {0x3d85, 0x17},
1086         {0x3f03, 0x00},
1087         {0x3f0a, 0x00},
1088         {0x3f0b, 0x00},
1089         {0x4001, 0x60},
1090         {0x4009, 0x0d},
1091         {0x4020, 0x00},
1092         {0x4021, 0x00},
1093         {0x4022, 0x00},
1094         {0x4023, 0x00},
1095         {0x4024, 0x00},
1096         {0x4025, 0x00},
1097         {0x4026, 0x00},
1098         {0x4027, 0x00},
1099         {0x4028, 0x00},
1100         {0x4029, 0x00},
1101         {0x402a, 0x00},
1102         {0x402b, 0x00},
1103         {0x402c, 0x00},
1104         {0x402d, 0x00},
1105         {0x402e, 0x00},
1106         {0x402f, 0x00},
1107         {0x4040, 0x00},
1108         {0x4041, 0x03},
1109         {0x4042, 0x00},
1110         {0x4043, 0x7A},
1111         {0x4044, 0x00},
1112         {0x4045, 0x7A},
1113         {0x4046, 0x00},
1114         {0x4047, 0x7A},
1115         {0x4048, 0x00},
1116         {0x4049, 0x7A},
1117         {0x4307, 0x30},
1118         {0x4500, 0x58},
1119         {0x4501, 0x04},
1120         {0x4502, 0x40},
1121         {0x4503, 0x10},
1122         {0x4508, 0xaa},
1123         {0x4509, 0xaa},
1124         {0x450a, 0x00},
1125         {0x450b, 0x00},
1126         {0x4600, 0x01},
1127         {0x4601, 0x00},
1128         {0x4700, 0xa4},
1129         {0x4800, 0x4c},
1130         {0x4816, 0x53},
1131         {0x481f, 0x40},
1132         {0x4837, 0x13},
1133         {0x5000, 0x56},
1134         {0x5001, 0x01},
1135         {0x5002, 0x28},
1136         {0x5004, 0x0c},
1137         {0x5006, 0x0c},
1138         {0x5007, 0xe0},
1139         {0x5008, 0x01},
1140         {0x5009, 0xb0},
1141         {0x5901, 0x00},
1142         {0x5a01, 0x00},
1143         {0x5a03, 0x00},
1144         {0x5a04, 0x0c},
1145         {0x5a05, 0xe0},
1146         {0x5a06, 0x09},
1147         {0x5a07, 0xb0},
1148         {0x5a08, 0x06},
1149         {0x5e00, 0x00},
1150         {0x3734, 0x40},
1151         {0x5b00, 0x01},
1152         {0x5b01, 0x10},
1153         {0x5b02, 0x01},
1154         {0x5b03, 0xdb},
1155         {0x3d8c, 0x71},
1156         {0x3d8d, 0xea},
1157         {0x4017, 0x08},
1158         {0x3618, 0x2a},
1159         {0x5780, 0x3e},
1160         {0x5781, 0x0f},
1161         {0x5782, 0x44},
1162         {0x5783, 0x02},
1163         {0x5784, 0x01},
1164         {0x5785, 0x01},
1165         {0x5786, 0x00},
1166         {0x5787, 0x04},
1167         {0x5788, 0x02},
1168         {0x5789, 0x0f},
1169         {0x578a, 0xfd},
1170         {0x578b, 0xf5},
1171         {0x578c, 0xf5},
1172         {0x578d, 0x03},
1173         {0x578e, 0x08},
1174         {0x578f, 0x0c},
1175         {0x5790, 0x08},
1176         {0x5791, 0x06},
1177         {0x5792, 0x00},
1178         {0x5793, 0x52},
1179         {0x5794, 0xa3},
1180         {0x5045, 0x05},
1181         {0x4003, 0x40},
1182         {0x5048, 0x40}
1183 };
1184
1185 static const struct ov5670_reg mode_1280x720_regs[] = {
1186         {0x3000, 0x00},
1187         {0x3002, 0x21},
1188         {0x3005, 0xf0},
1189         {0x3007, 0x00},
1190         {0x3015, 0x0f},
1191         {0x3018, 0x32},
1192         {0x301a, 0xf0},
1193         {0x301b, 0xf0},
1194         {0x301c, 0xf0},
1195         {0x301d, 0xf0},
1196         {0x301e, 0xf0},
1197         {0x3030, 0x00},
1198         {0x3031, 0x0a},
1199         {0x303c, 0xff},
1200         {0x303e, 0xff},
1201         {0x3040, 0xf0},
1202         {0x3041, 0x00},
1203         {0x3042, 0xf0},
1204         {0x3106, 0x11},
1205         {0x3500, 0x00},
1206         {0x3501, 0x80},
1207         {0x3502, 0x00},
1208         {0x3503, 0x04},
1209         {0x3504, 0x03},
1210         {0x3505, 0x83},
1211         {0x3508, 0x04},
1212         {0x3509, 0x00},
1213         {0x350e, 0x04},
1214         {0x350f, 0x00},
1215         {0x3510, 0x00},
1216         {0x3511, 0x02},
1217         {0x3512, 0x00},
1218         {0x3601, 0xc8},
1219         {0x3610, 0x88},
1220         {0x3612, 0x48},
1221         {0x3614, 0x5b},
1222         {0x3615, 0x96},
1223         {0x3621, 0xd0},
1224         {0x3622, 0x00},
1225         {0x3623, 0x00},
1226         {0x3633, 0x13},
1227         {0x3634, 0x13},
1228         {0x3635, 0x13},
1229         {0x3636, 0x13},
1230         {0x3645, 0x13},
1231         {0x3646, 0x82},
1232         {0x3650, 0x00},
1233         {0x3652, 0xff},
1234         {0x3655, 0x20},
1235         {0x3656, 0xff},
1236         {0x365a, 0xff},
1237         {0x365e, 0xff},
1238         {0x3668, 0x00},
1239         {0x366a, 0x07},
1240         {0x366e, 0x08},
1241         {0x366d, 0x00},
1242         {0x366f, 0x80},
1243         {0x3700, 0x28},
1244         {0x3701, 0x10},
1245         {0x3702, 0x3a},
1246         {0x3703, 0x19},
1247         {0x3704, 0x10},
1248         {0x3705, 0x00},
1249         {0x3706, 0x66},
1250         {0x3707, 0x08},
1251         {0x3708, 0x34},
1252         {0x3709, 0x40},
1253         {0x370a, 0x01},
1254         {0x370b, 0x1b},
1255         {0x3714, 0x24},
1256         {0x371a, 0x3e},
1257         {0x3733, 0x00},
1258         {0x3734, 0x00},
1259         {0x373a, 0x05},
1260         {0x373b, 0x06},
1261         {0x373c, 0x0a},
1262         {0x373f, 0xa0},
1263         {0x3755, 0x00},
1264         {0x3758, 0x00},
1265         {0x375b, 0x0e},
1266         {0x3766, 0x5f},
1267         {0x3768, 0x00},
1268         {0x3769, 0x22},
1269         {0x3773, 0x08},
1270         {0x3774, 0x1f},
1271         {0x3776, 0x06},
1272         {0x37a0, 0x88},
1273         {0x37a1, 0x5c},
1274         {0x37a7, 0x88},
1275         {0x37a8, 0x70},
1276         {0x37aa, 0x88},
1277         {0x37ab, 0x48},
1278         {0x37b3, 0x66},
1279         {0x37c2, 0x04},
1280         {0x37c5, 0x00},
1281         {0x37c8, 0x00},
1282         {0x3800, 0x00},
1283         {0x3801, 0x0c},
1284         {0x3802, 0x00},
1285         {0x3803, 0x04},
1286         {0x3804, 0x0a},
1287         {0x3805, 0x33},
1288         {0x3806, 0x07},
1289         {0x3807, 0xa3},
1290         {0x3808, 0x05},
1291         {0x3809, 0x00},
1292         {0x380a, 0x02},
1293         {0x380b, 0xd0},
1294         {0x380c, 0x06},
1295         {0x380d, 0x90},
1296         {0x380e, 0x08},
1297         {0x380f, 0x08},
1298         {0x3811, 0x04},
1299         {0x3813, 0x02},
1300         {0x3814, 0x03},
1301         {0x3815, 0x01},
1302         {0x3816, 0x00},
1303         {0x3817, 0x00},
1304         {0x3818, 0x00},
1305         {0x3819, 0x00},
1306         {0x3820, 0x94},
1307         {0x3821, 0x47},
1308         {0x3822, 0x48},
1309         {0x3826, 0x00},
1310         {0x3827, 0x08},
1311         {0x382a, 0x03},
1312         {0x382b, 0x01},
1313         {0x3830, 0x08},
1314         {0x3836, 0x02},
1315         {0x3837, 0x00},
1316         {0x3838, 0x10},
1317         {0x3841, 0xff},
1318         {0x3846, 0x48},
1319         {0x3861, 0x00},
1320         {0x3862, 0x04},
1321         {0x3863, 0x06},
1322         {0x3a11, 0x01},
1323         {0x3a12, 0x78},
1324         {0x3b00, 0x00},
1325         {0x3b02, 0x00},
1326         {0x3b03, 0x00},
1327         {0x3b04, 0x00},
1328         {0x3b05, 0x00},
1329         {0x3c00, 0x89},
1330         {0x3c01, 0xab},
1331         {0x3c02, 0x01},
1332         {0x3c03, 0x00},
1333         {0x3c04, 0x00},
1334         {0x3c05, 0x03},
1335         {0x3c06, 0x00},
1336         {0x3c07, 0x05},
1337         {0x3c0c, 0x00},
1338         {0x3c0d, 0x00},
1339         {0x3c0e, 0x00},
1340         {0x3c0f, 0x00},
1341         {0x3c40, 0x00},
1342         {0x3c41, 0xa3},
1343         {0x3c43, 0x7d},
1344         {0x3c45, 0xd7},
1345         {0x3c47, 0xfc},
1346         {0x3c50, 0x05},
1347         {0x3c52, 0xaa},
1348         {0x3c54, 0x71},
1349         {0x3c56, 0x80},
1350         {0x3d85, 0x17},
1351         {0x3f03, 0x00},
1352         {0x3f0a, 0x00},
1353         {0x3f0b, 0x00},
1354         {0x4001, 0x60},
1355         {0x4009, 0x05},
1356         {0x4020, 0x00},
1357         {0x4021, 0x00},
1358         {0x4022, 0x00},
1359         {0x4023, 0x00},
1360         {0x4024, 0x00},
1361         {0x4025, 0x00},
1362         {0x4026, 0x00},
1363         {0x4027, 0x00},
1364         {0x4028, 0x00},
1365         {0x4029, 0x00},
1366         {0x402a, 0x00},
1367         {0x402b, 0x00},
1368         {0x402c, 0x00},
1369         {0x402d, 0x00},
1370         {0x402e, 0x00},
1371         {0x402f, 0x00},
1372         {0x4040, 0x00},
1373         {0x4041, 0x03},
1374         {0x4042, 0x00},
1375         {0x4043, 0x7A},
1376         {0x4044, 0x00},
1377         {0x4045, 0x7A},
1378         {0x4046, 0x00},
1379         {0x4047, 0x7A},
1380         {0x4048, 0x00},
1381         {0x4049, 0x7A},
1382         {0x4307, 0x30},
1383         {0x4500, 0x58},
1384         {0x4501, 0x04},
1385         {0x4502, 0x48},
1386         {0x4503, 0x10},
1387         {0x4508, 0x55},
1388         {0x4509, 0x55},
1389         {0x450a, 0x00},
1390         {0x450b, 0x00},
1391         {0x4600, 0x00},
1392         {0x4601, 0x80},
1393         {0x4700, 0xa4},
1394         {0x4800, 0x4c},
1395         {0x4816, 0x53},
1396         {0x481f, 0x40},
1397         {0x4837, 0x13},
1398         {0x5000, 0x56},
1399         {0x5001, 0x01},
1400         {0x5002, 0x28},
1401         {0x5004, 0x0c},
1402         {0x5006, 0x0c},
1403         {0x5007, 0xe0},
1404         {0x5008, 0x01},
1405         {0x5009, 0xb0},
1406         {0x5901, 0x00},
1407         {0x5a01, 0x00},
1408         {0x5a03, 0x00},
1409         {0x5a04, 0x0c},
1410         {0x5a05, 0xe0},
1411         {0x5a06, 0x09},
1412         {0x5a07, 0xb0},
1413         {0x5a08, 0x06},
1414         {0x5e00, 0x00},
1415         {0x3734, 0x40},
1416         {0x5b00, 0x01},
1417         {0x5b01, 0x10},
1418         {0x5b02, 0x01},
1419         {0x5b03, 0xdb},
1420         {0x3d8c, 0x71},
1421         {0x3d8d, 0xea},
1422         {0x4017, 0x10},
1423         {0x3618, 0x2a},
1424         {0x5780, 0x3e},
1425         {0x5781, 0x0f},
1426         {0x5782, 0x44},
1427         {0x5783, 0x02},
1428         {0x5784, 0x01},
1429         {0x5785, 0x01},
1430         {0x5786, 0x00},
1431         {0x5787, 0x04},
1432         {0x5788, 0x02},
1433         {0x5789, 0x0f},
1434         {0x578a, 0xfd},
1435         {0x578b, 0xf5},
1436         {0x578c, 0xf5},
1437         {0x578d, 0x03},
1438         {0x578e, 0x08},
1439         {0x578f, 0x0c},
1440         {0x5790, 0x08},
1441         {0x5791, 0x06},
1442         {0x5792, 0x00},
1443         {0x5793, 0x52},
1444         {0x5794, 0xa3},
1445         {0x3503, 0x00},
1446         {0x5045, 0x05},
1447         {0x4003, 0x40},
1448         {0x5048, 0x40}
1449 };
1450
1451 static const struct ov5670_reg mode_640x360_regs[] = {
1452         {0x3000, 0x00},
1453         {0x3002, 0x21},
1454         {0x3005, 0xf0},
1455         {0x3007, 0x00},
1456         {0x3015, 0x0f},
1457         {0x3018, 0x32},
1458         {0x301a, 0xf0},
1459         {0x301b, 0xf0},
1460         {0x301c, 0xf0},
1461         {0x301d, 0xf0},
1462         {0x301e, 0xf0},
1463         {0x3030, 0x00},
1464         {0x3031, 0x0a},
1465         {0x303c, 0xff},
1466         {0x303e, 0xff},
1467         {0x3040, 0xf0},
1468         {0x3041, 0x00},
1469         {0x3042, 0xf0},
1470         {0x3106, 0x11},
1471         {0x3500, 0x00},
1472         {0x3501, 0x80},
1473         {0x3502, 0x00},
1474         {0x3503, 0x04},
1475         {0x3504, 0x03},
1476         {0x3505, 0x83},
1477         {0x3508, 0x04},
1478         {0x3509, 0x00},
1479         {0x350e, 0x04},
1480         {0x350f, 0x00},
1481         {0x3510, 0x00},
1482         {0x3511, 0x02},
1483         {0x3512, 0x00},
1484         {0x3601, 0xc8},
1485         {0x3610, 0x88},
1486         {0x3612, 0x48},
1487         {0x3614, 0x5b},
1488         {0x3615, 0x96},
1489         {0x3621, 0xd0},
1490         {0x3622, 0x00},
1491         {0x3623, 0x04},
1492         {0x3633, 0x13},
1493         {0x3634, 0x13},
1494         {0x3635, 0x13},
1495         {0x3636, 0x13},
1496         {0x3645, 0x13},
1497         {0x3646, 0x82},
1498         {0x3650, 0x00},
1499         {0x3652, 0xff},
1500         {0x3655, 0x20},
1501         {0x3656, 0xff},
1502         {0x365a, 0xff},
1503         {0x365e, 0xff},
1504         {0x3668, 0x00},
1505         {0x366a, 0x07},
1506         {0x366e, 0x08},
1507         {0x366d, 0x00},
1508         {0x366f, 0x80},
1509         {0x3700, 0x28},
1510         {0x3701, 0x10},
1511         {0x3702, 0x3a},
1512         {0x3703, 0x19},
1513         {0x3704, 0x10},
1514         {0x3705, 0x00},
1515         {0x3706, 0x66},
1516         {0x3707, 0x08},
1517         {0x3708, 0x34},
1518         {0x3709, 0x40},
1519         {0x370a, 0x01},
1520         {0x370b, 0x1b},
1521         {0x3714, 0x24},
1522         {0x371a, 0x3e},
1523         {0x3733, 0x00},
1524         {0x3734, 0x00},
1525         {0x373a, 0x05},
1526         {0x373b, 0x06},
1527         {0x373c, 0x0a},
1528         {0x373f, 0xa0},
1529         {0x3755, 0x00},
1530         {0x3758, 0x00},
1531         {0x375b, 0x0e},
1532         {0x3766, 0x5f},
1533         {0x3768, 0x00},
1534         {0x3769, 0x22},
1535         {0x3773, 0x08},
1536         {0x3774, 0x1f},
1537         {0x3776, 0x06},
1538         {0x37a0, 0x88},
1539         {0x37a1, 0x5c},
1540         {0x37a7, 0x88},
1541         {0x37a8, 0x70},
1542         {0x37aa, 0x88},
1543         {0x37ab, 0x48},
1544         {0x37b3, 0x66},
1545         {0x37c2, 0x04},
1546         {0x37c5, 0x00},
1547         {0x37c8, 0x00},
1548         {0x3800, 0x00},
1549         {0x3801, 0x0c},
1550         {0x3802, 0x00},
1551         {0x3803, 0x04},
1552         {0x3804, 0x0a},
1553         {0x3805, 0x33},
1554         {0x3806, 0x07},
1555         {0x3807, 0xa3},
1556         {0x3808, 0x02},
1557         {0x3809, 0x80},
1558         {0x380a, 0x01},
1559         {0x380b, 0x68},
1560         {0x380c, 0x06},
1561         {0x380d, 0x90},
1562         {0x380e, 0x08},
1563         {0x380f, 0x08},
1564         {0x3811, 0x04},
1565         {0x3813, 0x02},
1566         {0x3814, 0x07},
1567         {0x3815, 0x01},
1568         {0x3816, 0x00},
1569         {0x3817, 0x00},
1570         {0x3818, 0x00},
1571         {0x3819, 0x00},
1572         {0x3820, 0x94},
1573         {0x3821, 0xc6},
1574         {0x3822, 0x48},
1575         {0x3826, 0x00},
1576         {0x3827, 0x08},
1577         {0x382a, 0x07},
1578         {0x382b, 0x01},
1579         {0x3830, 0x08},
1580         {0x3836, 0x02},
1581         {0x3837, 0x00},
1582         {0x3838, 0x10},
1583         {0x3841, 0xff},
1584         {0x3846, 0x48},
1585         {0x3861, 0x00},
1586         {0x3862, 0x04},
1587         {0x3863, 0x06},
1588         {0x3a11, 0x01},
1589         {0x3a12, 0x78},
1590         {0x3b00, 0x00},
1591         {0x3b02, 0x00},
1592         {0x3b03, 0x00},
1593         {0x3b04, 0x00},
1594         {0x3b05, 0x00},
1595         {0x3c00, 0x89},
1596         {0x3c01, 0xab},
1597         {0x3c02, 0x01},
1598         {0x3c03, 0x00},
1599         {0x3c04, 0x00},
1600         {0x3c05, 0x03},
1601         {0x3c06, 0x00},
1602         {0x3c07, 0x05},
1603         {0x3c0c, 0x00},
1604         {0x3c0d, 0x00},
1605         {0x3c0e, 0x00},
1606         {0x3c0f, 0x00},
1607         {0x3c40, 0x00},
1608         {0x3c41, 0xa3},
1609         {0x3c43, 0x7d},
1610         {0x3c45, 0xd7},
1611         {0x3c47, 0xfc},
1612         {0x3c50, 0x05},
1613         {0x3c52, 0xaa},
1614         {0x3c54, 0x71},
1615         {0x3c56, 0x80},
1616         {0x3d85, 0x17},
1617         {0x3f03, 0x00},
1618         {0x3f0a, 0x00},
1619         {0x3f0b, 0x00},
1620         {0x4001, 0x60},
1621         {0x4009, 0x05},
1622         {0x4020, 0x00},
1623         {0x4021, 0x00},
1624         {0x4022, 0x00},
1625         {0x4023, 0x00},
1626         {0x4024, 0x00},
1627         {0x4025, 0x00},
1628         {0x4026, 0x00},
1629         {0x4027, 0x00},
1630         {0x4028, 0x00},
1631         {0x4029, 0x00},
1632         {0x402a, 0x00},
1633         {0x402b, 0x00},
1634         {0x402c, 0x00},
1635         {0x402d, 0x00},
1636         {0x402e, 0x00},
1637         {0x402f, 0x00},
1638         {0x4040, 0x00},
1639         {0x4041, 0x03},
1640         {0x4042, 0x00},
1641         {0x4043, 0x7A},
1642         {0x4044, 0x00},
1643         {0x4045, 0x7A},
1644         {0x4046, 0x00},
1645         {0x4047, 0x7A},
1646         {0x4048, 0x00},
1647         {0x4049, 0x7A},
1648         {0x4307, 0x30},
1649         {0x4500, 0x58},
1650         {0x4501, 0x04},
1651         {0x4502, 0x40},
1652         {0x4503, 0x10},
1653         {0x4508, 0x55},
1654         {0x4509, 0x55},
1655         {0x450a, 0x02},
1656         {0x450b, 0x00},
1657         {0x4600, 0x00},
1658         {0x4601, 0x40},
1659         {0x4700, 0xa4},
1660         {0x4800, 0x4c},
1661         {0x4816, 0x53},
1662         {0x481f, 0x40},
1663         {0x4837, 0x13},
1664         {0x5000, 0x56},
1665         {0x5001, 0x01},
1666         {0x5002, 0x28},
1667         {0x5004, 0x0c},
1668         {0x5006, 0x0c},
1669         {0x5007, 0xe0},
1670         {0x5008, 0x01},
1671         {0x5009, 0xb0},
1672         {0x5901, 0x00},
1673         {0x5a01, 0x00},
1674         {0x5a03, 0x00},
1675         {0x5a04, 0x0c},
1676         {0x5a05, 0xe0},
1677         {0x5a06, 0x09},
1678         {0x5a07, 0xb0},
1679         {0x5a08, 0x06},
1680         {0x5e00, 0x00},
1681         {0x3734, 0x40},
1682         {0x5b00, 0x01},
1683         {0x5b01, 0x10},
1684         {0x5b02, 0x01},
1685         {0x5b03, 0xdb},
1686         {0x3d8c, 0x71},
1687         {0x3d8d, 0xea},
1688         {0x4017, 0x10},
1689         {0x3618, 0x2a},
1690         {0x5780, 0x3e},
1691         {0x5781, 0x0f},
1692         {0x5782, 0x44},
1693         {0x5783, 0x02},
1694         {0x5784, 0x01},
1695         {0x5785, 0x01},
1696         {0x5786, 0x00},
1697         {0x5787, 0x04},
1698         {0x5788, 0x02},
1699         {0x5789, 0x0f},
1700         {0x578a, 0xfd},
1701         {0x578b, 0xf5},
1702         {0x578c, 0xf5},
1703         {0x578d, 0x03},
1704         {0x578e, 0x08},
1705         {0x578f, 0x0c},
1706         {0x5790, 0x08},
1707         {0x5791, 0x06},
1708         {0x5792, 0x00},
1709         {0x5793, 0x52},
1710         {0x5794, 0xa3},
1711         {0x3503, 0x00},
1712         {0x5045, 0x05},
1713         {0x4003, 0x40},
1714         {0x5048, 0x40}
1715 };
1716
1717 static const char * const ov5670_test_pattern_menu[] = {
1718         "Disabled",
1719         "Vertical Color Bar Type 1",
1720 };
1721
1722 /* Supported link frequencies */
1723 #define OV5670_LINK_FREQ_422MHZ         422400000
1724 #define OV5670_LINK_FREQ_422MHZ_INDEX   0
1725 static const struct ov5670_link_freq_config link_freq_configs[] = {
1726         {
1727                 /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */
1728                 .pixel_rate = (OV5670_LINK_FREQ_422MHZ * 2 * 2) / 10,
1729                 .reg_list = {
1730                         .num_of_regs = ARRAY_SIZE(mipi_data_rate_840mbps),
1731                         .regs = mipi_data_rate_840mbps,
1732                 }
1733         }
1734 };
1735
1736 static const s64 link_freq_menu_items[] = {
1737         OV5670_LINK_FREQ_422MHZ
1738 };
1739
1740 /*
1741  * OV5670 sensor supports following resolutions with full FOV:
1742  * 4:3  ==> {2592x1944, 1296x972, 648x486}
1743  * 16:9 ==> {2560x1440, 1280x720, 640x360}
1744  */
1745 static const struct ov5670_mode supported_modes[] = {
1746         {
1747                 .width = 2592,
1748                 .height = 1944,
1749                 .vts_def = OV5670_VTS_30FPS,
1750                 .vts_min = OV5670_VTS_30FPS,
1751                 .reg_list = {
1752                         .num_of_regs = ARRAY_SIZE(mode_2592x1944_regs),
1753                         .regs = mode_2592x1944_regs,
1754                 },
1755                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1756         },
1757         {
1758                 .width = 1296,
1759                 .height = 972,
1760                 .vts_def = OV5670_VTS_30FPS,
1761                 .vts_min = 996,
1762                 .reg_list = {
1763                         .num_of_regs = ARRAY_SIZE(mode_1296x972_regs),
1764                         .regs = mode_1296x972_regs,
1765                 },
1766                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1767         },
1768         {
1769                 .width = 648,
1770                 .height = 486,
1771                 .vts_def = OV5670_VTS_30FPS,
1772                 .vts_min = 516,
1773                 .reg_list = {
1774                         .num_of_regs = ARRAY_SIZE(mode_648x486_regs),
1775                         .regs = mode_648x486_regs,
1776                 },
1777                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1778         },
1779         {
1780                 .width = 2560,
1781                 .height = 1440,
1782                 .vts_def = OV5670_VTS_30FPS,
1783                 .vts_min = OV5670_VTS_30FPS,
1784                 .reg_list = {
1785                         .num_of_regs = ARRAY_SIZE(mode_2560x1440_regs),
1786                         .regs = mode_2560x1440_regs,
1787                 },
1788                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1789         },
1790         {
1791                 .width = 1280,
1792                 .height = 720,
1793                 .vts_def = OV5670_VTS_30FPS,
1794                 .vts_min = 1020,
1795                 .reg_list = {
1796                         .num_of_regs = ARRAY_SIZE(mode_1280x720_regs),
1797                         .regs = mode_1280x720_regs,
1798                 },
1799                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1800         },
1801         {
1802                 .width = 640,
1803                 .height = 360,
1804                 .vts_def = OV5670_VTS_30FPS,
1805                 .vts_min = 510,
1806                 .reg_list = {
1807                         .num_of_regs = ARRAY_SIZE(mode_640x360_regs),
1808                         .regs = mode_640x360_regs,
1809                 },
1810                 .link_freq_index = OV5670_LINK_FREQ_422MHZ_INDEX,
1811         }
1812 };
1813
1814 struct ov5670 {
1815         struct v4l2_subdev sd;
1816         struct media_pad pad;
1817
1818         struct v4l2_ctrl_handler ctrl_handler;
1819         /* V4L2 Controls */
1820         struct v4l2_ctrl *link_freq;
1821         struct v4l2_ctrl *pixel_rate;
1822         struct v4l2_ctrl *vblank;
1823         struct v4l2_ctrl *hblank;
1824         struct v4l2_ctrl *exposure;
1825
1826         /* Current mode */
1827         const struct ov5670_mode *cur_mode;
1828
1829         /* To serialize asynchronus callbacks */
1830         struct mutex mutex;
1831
1832         /* Streaming on/off */
1833         bool streaming;
1834 };
1835
1836 #define to_ov5670(_sd)  container_of(_sd, struct ov5670, sd)
1837
1838 /* Read registers up to 4 at a time */
1839 static int ov5670_read_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1840                            u32 *val)
1841 {
1842         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1843         struct i2c_msg msgs[2];
1844         u8 *data_be_p;
1845         __be32 data_be = 0;
1846         __be16 reg_addr_be = cpu_to_be16(reg);
1847         int ret;
1848
1849         if (len > 4)
1850                 return -EINVAL;
1851
1852         data_be_p = (u8 *)&data_be;
1853         /* Write register address */
1854         msgs[0].addr = client->addr;
1855         msgs[0].flags = 0;
1856         msgs[0].len = 2;
1857         msgs[0].buf = (u8 *)&reg_addr_be;
1858
1859         /* Read data from register */
1860         msgs[1].addr = client->addr;
1861         msgs[1].flags = I2C_M_RD;
1862         msgs[1].len = len;
1863         msgs[1].buf = &data_be_p[4 - len];
1864
1865         ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
1866         if (ret != ARRAY_SIZE(msgs))
1867                 return -EIO;
1868
1869         *val = be32_to_cpu(data_be);
1870
1871         return 0;
1872 }
1873
1874 /* Write registers up to 4 at a time */
1875 static int ov5670_write_reg(struct ov5670 *ov5670, u16 reg, unsigned int len,
1876                             u32 val)
1877 {
1878         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1879         int buf_i;
1880         int val_i;
1881         u8 buf[6];
1882         u8 *val_p;
1883         __be32 tmp;
1884
1885         if (len > 4)
1886                 return -EINVAL;
1887
1888         buf[0] = reg >> 8;
1889         buf[1] = reg & 0xff;
1890
1891         tmp = cpu_to_be32(val);
1892         val_p = (u8 *)&tmp;
1893         buf_i = 2;
1894         val_i = 4 - len;
1895
1896         while (val_i < 4)
1897                 buf[buf_i++] = val_p[val_i++];
1898
1899         if (i2c_master_send(client, buf, len + 2) != len + 2)
1900                 return -EIO;
1901
1902         return 0;
1903 }
1904
1905 /* Write a list of registers */
1906 static int ov5670_write_regs(struct ov5670 *ov5670,
1907                              const struct ov5670_reg *regs, unsigned int len)
1908 {
1909         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
1910         unsigned int i;
1911         int ret;
1912
1913         for (i = 0; i < len; i++) {
1914                 ret = ov5670_write_reg(ov5670, regs[i].address, 1, regs[i].val);
1915                 if (ret) {
1916                         dev_err_ratelimited(
1917                                 &client->dev,
1918                                 "Failed to write reg 0x%4.4x. error = %d\n",
1919                                 regs[i].address, ret);
1920
1921                         return ret;
1922                 }
1923         }
1924
1925         return 0;
1926 }
1927
1928 static int ov5670_write_reg_list(struct ov5670 *ov5670,
1929                                  const struct ov5670_reg_list *r_list)
1930 {
1931         return ov5670_write_regs(ov5670, r_list->regs, r_list->num_of_regs);
1932 }
1933
1934 /* Open sub-device */
1935 static int ov5670_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1936 {
1937         struct ov5670 *ov5670 = to_ov5670(sd);
1938         struct v4l2_mbus_framefmt *try_fmt =
1939                                 v4l2_subdev_get_try_format(sd, fh->pad, 0);
1940
1941         mutex_lock(&ov5670->mutex);
1942
1943         /* Initialize try_fmt */
1944         try_fmt->width = ov5670->cur_mode->width;
1945         try_fmt->height = ov5670->cur_mode->height;
1946         try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
1947         try_fmt->field = V4L2_FIELD_NONE;
1948
1949         /* No crop or compose */
1950         mutex_unlock(&ov5670->mutex);
1951
1952         return 0;
1953 }
1954
1955 static int ov5670_update_digital_gain(struct ov5670 *ov5670, u32 d_gain)
1956 {
1957         int ret;
1958
1959         ret = ov5670_write_reg(ov5670, OV5670_REG_R_DGTL_GAIN,
1960                                OV5670_REG_VALUE_16BIT, d_gain);
1961         if (ret)
1962                 return ret;
1963
1964         ret = ov5670_write_reg(ov5670, OV5670_REG_G_DGTL_GAIN,
1965                                OV5670_REG_VALUE_16BIT, d_gain);
1966         if (ret)
1967                 return ret;
1968
1969         return ov5670_write_reg(ov5670, OV5670_REG_B_DGTL_GAIN,
1970                                 OV5670_REG_VALUE_16BIT, d_gain);
1971 }
1972
1973 static int ov5670_enable_test_pattern(struct ov5670 *ov5670, u32 pattern)
1974 {
1975         u32 val;
1976         int ret;
1977
1978         /* Set the bayer order that we support */
1979         ret = ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN_CTRL,
1980                                OV5670_REG_VALUE_08BIT, 0);
1981         if (ret)
1982                 return ret;
1983
1984         ret = ov5670_read_reg(ov5670, OV5670_REG_TEST_PATTERN,
1985                               OV5670_REG_VALUE_08BIT, &val);
1986         if (ret)
1987                 return ret;
1988
1989         if (pattern)
1990                 val |= OV5670_TEST_PATTERN_ENABLE;
1991         else
1992                 val &= ~OV5670_TEST_PATTERN_ENABLE;
1993
1994         return ov5670_write_reg(ov5670, OV5670_REG_TEST_PATTERN,
1995                                 OV5670_REG_VALUE_08BIT, val);
1996 }
1997
1998 /* Initialize control handlers */
1999 static int ov5670_set_ctrl(struct v4l2_ctrl *ctrl)
2000 {
2001         struct ov5670 *ov5670 = container_of(ctrl->handler,
2002                                              struct ov5670, ctrl_handler);
2003         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2004         s64 max;
2005         int ret = 0;
2006
2007         /* Propagate change of current control to all related controls */
2008         switch (ctrl->id) {
2009         case V4L2_CID_VBLANK:
2010                 /* Update max exposure while meeting expected vblanking */
2011                 max = ov5670->cur_mode->height + ctrl->val - 8;
2012                 __v4l2_ctrl_modify_range(ov5670->exposure,
2013                                          ov5670->exposure->minimum, max,
2014                                          ov5670->exposure->step, max);
2015                 break;
2016         }
2017
2018         /* V4L2 controls values will be applied only when power is already up */
2019         if (!pm_runtime_get_if_in_use(&client->dev))
2020                 return 0;
2021
2022         switch (ctrl->id) {
2023         case V4L2_CID_ANALOGUE_GAIN:
2024                 ret = ov5670_write_reg(ov5670, OV5670_REG_ANALOG_GAIN,
2025                                        OV5670_REG_VALUE_16BIT, ctrl->val);
2026                 break;
2027         case V4L2_CID_DIGITAL_GAIN:
2028                 ret = ov5670_update_digital_gain(ov5670, ctrl->val);
2029                 break;
2030         case V4L2_CID_EXPOSURE:
2031                 /* 4 least significant bits of expsoure are fractional part */
2032                 ret = ov5670_write_reg(ov5670, OV5670_REG_EXPOSURE,
2033                                        OV5670_REG_VALUE_24BIT, ctrl->val << 4);
2034                 break;
2035         case V4L2_CID_VBLANK:
2036                 /* Update VTS that meets expected vertical blanking */
2037                 ret = ov5670_write_reg(ov5670, OV5670_REG_VTS,
2038                                        OV5670_REG_VALUE_16BIT,
2039                                        ov5670->cur_mode->height + ctrl->val);
2040                 break;
2041         case V4L2_CID_TEST_PATTERN:
2042                 ret = ov5670_enable_test_pattern(ov5670, ctrl->val);
2043                 break;
2044         default:
2045                 dev_info(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
2046                          __func__, ctrl->id, ctrl->val);
2047                 break;
2048         }
2049
2050         pm_runtime_put(&client->dev);
2051
2052         return ret;
2053 }
2054
2055 static const struct v4l2_ctrl_ops ov5670_ctrl_ops = {
2056         .s_ctrl = ov5670_set_ctrl,
2057 };
2058
2059 /* Initialize control handlers */
2060 static int ov5670_init_controls(struct ov5670 *ov5670)
2061 {
2062         struct v4l2_ctrl_handler *ctrl_hdlr;
2063         s64 vblank_max;
2064         s64 vblank_def;
2065         s64 vblank_min;
2066         s64 exposure_max;
2067         int ret;
2068
2069         ctrl_hdlr = &ov5670->ctrl_handler;
2070         ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8);
2071         if (ret)
2072                 return ret;
2073
2074         ctrl_hdlr->lock = &ov5670->mutex;
2075         ov5670->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr,
2076                                                    &ov5670_ctrl_ops,
2077                                                    V4L2_CID_LINK_FREQ,
2078                                                    0, 0, link_freq_menu_items);
2079         if (ov5670->link_freq)
2080                 ov5670->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2081
2082         /* By default, V4L2_CID_PIXEL_RATE is read only */
2083         ov5670->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2084                                                V4L2_CID_PIXEL_RATE, 0,
2085                                                link_freq_configs[0].pixel_rate,
2086                                                1,
2087                                                link_freq_configs[0].pixel_rate);
2088
2089         vblank_max = OV5670_VTS_MAX - ov5670->cur_mode->height;
2090         vblank_def = ov5670->cur_mode->vts_def - ov5670->cur_mode->height;
2091         vblank_min = ov5670->cur_mode->vts_min - ov5670->cur_mode->height;
2092         ov5670->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2093                                            V4L2_CID_VBLANK, vblank_min,
2094                                            vblank_max, 1, vblank_def);
2095
2096         ov5670->hblank = v4l2_ctrl_new_std(
2097                                 ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_HBLANK,
2098                                 OV5670_FIXED_PPL - ov5670->cur_mode->width,
2099                                 OV5670_FIXED_PPL - ov5670->cur_mode->width, 1,
2100                                 OV5670_FIXED_PPL - ov5670->cur_mode->width);
2101         if (ov5670->hblank)
2102                 ov5670->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
2103
2104         /* Get min, max, step, default from sensor */
2105         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_ANALOGUE_GAIN,
2106                           ANALOG_GAIN_MIN, ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
2107                           ANALOG_GAIN_DEFAULT);
2108
2109         /* Digital gain */
2110         v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops, V4L2_CID_DIGITAL_GAIN,
2111                           OV5670_DGTL_GAIN_MIN, OV5670_DGTL_GAIN_MAX,
2112                           OV5670_DGTL_GAIN_STEP, OV5670_DGTL_GAIN_DEFAULT);
2113
2114         /* Get min, max, step, default from sensor */
2115         exposure_max = ov5670->cur_mode->vts_def - 8;
2116         ov5670->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov5670_ctrl_ops,
2117                                              V4L2_CID_EXPOSURE,
2118                                              OV5670_EXPOSURE_MIN,
2119                                              exposure_max, OV5670_EXPOSURE_STEP,
2120                                              exposure_max);
2121
2122         v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov5670_ctrl_ops,
2123                                      V4L2_CID_TEST_PATTERN,
2124                                      ARRAY_SIZE(ov5670_test_pattern_menu) - 1,
2125                                      0, 0, ov5670_test_pattern_menu);
2126
2127         if (ctrl_hdlr->error) {
2128                 ret = ctrl_hdlr->error;
2129                 goto error;
2130         }
2131
2132         ov5670->sd.ctrl_handler = ctrl_hdlr;
2133
2134         return 0;
2135
2136 error:
2137         v4l2_ctrl_handler_free(ctrl_hdlr);
2138
2139         return ret;
2140 }
2141
2142 static int ov5670_enum_mbus_code(struct v4l2_subdev *sd,
2143                                  struct v4l2_subdev_pad_config *cfg,
2144                                  struct v4l2_subdev_mbus_code_enum *code)
2145 {
2146         /* Only one bayer order GRBG is supported */
2147         if (code->index > 0)
2148                 return -EINVAL;
2149
2150         code->code = MEDIA_BUS_FMT_SGRBG10_1X10;
2151
2152         return 0;
2153 }
2154
2155 static int ov5670_enum_frame_size(struct v4l2_subdev *sd,
2156                                   struct v4l2_subdev_pad_config *cfg,
2157                                   struct v4l2_subdev_frame_size_enum *fse)
2158 {
2159         if (fse->index >= ARRAY_SIZE(supported_modes))
2160                 return -EINVAL;
2161
2162         if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10)
2163                 return -EINVAL;
2164
2165         fse->min_width = supported_modes[fse->index].width;
2166         fse->max_width = fse->min_width;
2167         fse->min_height = supported_modes[fse->index].height;
2168         fse->max_height = fse->min_height;
2169
2170         return 0;
2171 }
2172
2173 static void ov5670_update_pad_format(const struct ov5670_mode *mode,
2174                                      struct v4l2_subdev_format *fmt)
2175 {
2176         fmt->format.width = mode->width;
2177         fmt->format.height = mode->height;
2178         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2179         fmt->format.field = V4L2_FIELD_NONE;
2180 }
2181
2182 static int ov5670_do_get_pad_format(struct ov5670 *ov5670,
2183                                     struct v4l2_subdev_pad_config *cfg,
2184                                     struct v4l2_subdev_format *fmt)
2185 {
2186         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
2187                 fmt->format = *v4l2_subdev_get_try_format(&ov5670->sd, cfg,
2188                                                           fmt->pad);
2189         else
2190                 ov5670_update_pad_format(ov5670->cur_mode, fmt);
2191
2192         return 0;
2193 }
2194
2195 static int ov5670_get_pad_format(struct v4l2_subdev *sd,
2196                                  struct v4l2_subdev_pad_config *cfg,
2197                                  struct v4l2_subdev_format *fmt)
2198 {
2199         struct ov5670 *ov5670 = to_ov5670(sd);
2200         int ret;
2201
2202         mutex_lock(&ov5670->mutex);
2203         ret = ov5670_do_get_pad_format(ov5670, cfg, fmt);
2204         mutex_unlock(&ov5670->mutex);
2205
2206         return ret;
2207 }
2208
2209 static int ov5670_set_pad_format(struct v4l2_subdev *sd,
2210                                  struct v4l2_subdev_pad_config *cfg,
2211                                  struct v4l2_subdev_format *fmt)
2212 {
2213         struct ov5670 *ov5670 = to_ov5670(sd);
2214         const struct ov5670_mode *mode;
2215         s32 vblank_def;
2216         s32 h_blank;
2217
2218         mutex_lock(&ov5670->mutex);
2219
2220         fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
2221
2222         mode = v4l2_find_nearest_size(supported_modes,
2223                                       ARRAY_SIZE(supported_modes),
2224                                       width, height,
2225                                       fmt->format.width, fmt->format.height);
2226         ov5670_update_pad_format(mode, fmt);
2227         if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
2228                 *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format;
2229         } else {
2230                 ov5670->cur_mode = mode;
2231                 __v4l2_ctrl_s_ctrl(ov5670->link_freq, mode->link_freq_index);
2232                 __v4l2_ctrl_s_ctrl_int64(
2233                         ov5670->pixel_rate,
2234                         link_freq_configs[mode->link_freq_index].pixel_rate);
2235                 /* Update limits and set FPS to default */
2236                 vblank_def = ov5670->cur_mode->vts_def -
2237                              ov5670->cur_mode->height;
2238                 __v4l2_ctrl_modify_range(
2239                         ov5670->vblank,
2240                         ov5670->cur_mode->vts_min - ov5670->cur_mode->height,
2241                         OV5670_VTS_MAX - ov5670->cur_mode->height, 1,
2242                         vblank_def);
2243                 __v4l2_ctrl_s_ctrl(ov5670->vblank, vblank_def);
2244                 h_blank = OV5670_FIXED_PPL - ov5670->cur_mode->width;
2245                 __v4l2_ctrl_modify_range(ov5670->hblank, h_blank, h_blank, 1,
2246                                          h_blank);
2247         }
2248
2249         mutex_unlock(&ov5670->mutex);
2250
2251         return 0;
2252 }
2253
2254 static int ov5670_get_skip_frames(struct v4l2_subdev *sd, u32 *frames)
2255 {
2256         *frames = OV5670_NUM_OF_SKIP_FRAMES;
2257
2258         return 0;
2259 }
2260
2261 /* Prepare streaming by writing default values and customized values */
2262 static int ov5670_start_streaming(struct ov5670 *ov5670)
2263 {
2264         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2265         const struct ov5670_reg_list *reg_list;
2266         int link_freq_index;
2267         int ret;
2268
2269         /* Get out of from software reset */
2270         ret = ov5670_write_reg(ov5670, OV5670_REG_SOFTWARE_RST,
2271                                OV5670_REG_VALUE_08BIT, OV5670_SOFTWARE_RST);
2272         if (ret) {
2273                 dev_err(&client->dev, "%s failed to set powerup registers\n",
2274                         __func__);
2275                 return ret;
2276         }
2277
2278         /* Setup PLL */
2279         link_freq_index = ov5670->cur_mode->link_freq_index;
2280         reg_list = &link_freq_configs[link_freq_index].reg_list;
2281         ret = ov5670_write_reg_list(ov5670, reg_list);
2282         if (ret) {
2283                 dev_err(&client->dev, "%s failed to set plls\n", __func__);
2284                 return ret;
2285         }
2286
2287         /* Apply default values of current mode */
2288         reg_list = &ov5670->cur_mode->reg_list;
2289         ret = ov5670_write_reg_list(ov5670, reg_list);
2290         if (ret) {
2291                 dev_err(&client->dev, "%s failed to set mode\n", __func__);
2292                 return ret;
2293         }
2294
2295         ret = __v4l2_ctrl_handler_setup(ov5670->sd.ctrl_handler);
2296         if (ret)
2297                 return ret;
2298
2299         /* Write stream on list */
2300         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2301                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STREAMING);
2302         if (ret) {
2303                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2304                 return ret;
2305         }
2306
2307         return 0;
2308 }
2309
2310 static int ov5670_stop_streaming(struct ov5670 *ov5670)
2311 {
2312         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2313         int ret;
2314
2315         ret = ov5670_write_reg(ov5670, OV5670_REG_MODE_SELECT,
2316                                OV5670_REG_VALUE_08BIT, OV5670_MODE_STANDBY);
2317         if (ret)
2318                 dev_err(&client->dev, "%s failed to set stream\n", __func__);
2319
2320         /* Return success even if it was an error, as there is nothing the
2321          * caller can do about it.
2322          */
2323         return 0;
2324 }
2325
2326 static int ov5670_set_stream(struct v4l2_subdev *sd, int enable)
2327 {
2328         struct ov5670 *ov5670 = to_ov5670(sd);
2329         struct i2c_client *client = v4l2_get_subdevdata(sd);
2330         int ret = 0;
2331
2332         mutex_lock(&ov5670->mutex);
2333         if (ov5670->streaming == enable)
2334                 goto unlock_and_return;
2335
2336         if (enable) {
2337                 ret = pm_runtime_get_sync(&client->dev);
2338                 if (ret < 0) {
2339                         pm_runtime_put_noidle(&client->dev);
2340                         goto unlock_and_return;
2341                 }
2342
2343                 ret = ov5670_start_streaming(ov5670);
2344                 if (ret)
2345                         goto error;
2346         } else {
2347                 ret = ov5670_stop_streaming(ov5670);
2348                 pm_runtime_put(&client->dev);
2349         }
2350         ov5670->streaming = enable;
2351         goto unlock_and_return;
2352
2353 error:
2354         pm_runtime_put(&client->dev);
2355
2356 unlock_and_return:
2357         mutex_unlock(&ov5670->mutex);
2358
2359         return ret;
2360 }
2361
2362 static int __maybe_unused ov5670_suspend(struct device *dev)
2363 {
2364         struct i2c_client *client = to_i2c_client(dev);
2365         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2366         struct ov5670 *ov5670 = to_ov5670(sd);
2367
2368         if (ov5670->streaming)
2369                 ov5670_stop_streaming(ov5670);
2370
2371         return 0;
2372 }
2373
2374 static int __maybe_unused ov5670_resume(struct device *dev)
2375 {
2376         struct i2c_client *client = to_i2c_client(dev);
2377         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2378         struct ov5670 *ov5670 = to_ov5670(sd);
2379         int ret;
2380
2381         if (ov5670->streaming) {
2382                 ret = ov5670_start_streaming(ov5670);
2383                 if (ret) {
2384                         ov5670_stop_streaming(ov5670);
2385                         return ret;
2386                 }
2387         }
2388
2389         return 0;
2390 }
2391
2392 /* Verify chip ID */
2393 static int ov5670_identify_module(struct ov5670 *ov5670)
2394 {
2395         struct i2c_client *client = v4l2_get_subdevdata(&ov5670->sd);
2396         int ret;
2397         u32 val;
2398
2399         ret = ov5670_read_reg(ov5670, OV5670_REG_CHIP_ID,
2400                               OV5670_REG_VALUE_24BIT, &val);
2401         if (ret)
2402                 return ret;
2403
2404         if (val != OV5670_CHIP_ID) {
2405                 dev_err(&client->dev, "chip id mismatch: %x!=%x\n",
2406                         OV5670_CHIP_ID, val);
2407                 return -ENXIO;
2408         }
2409
2410         return 0;
2411 }
2412
2413 static const struct v4l2_subdev_video_ops ov5670_video_ops = {
2414         .s_stream = ov5670_set_stream,
2415 };
2416
2417 static const struct v4l2_subdev_pad_ops ov5670_pad_ops = {
2418         .enum_mbus_code = ov5670_enum_mbus_code,
2419         .get_fmt = ov5670_get_pad_format,
2420         .set_fmt = ov5670_set_pad_format,
2421         .enum_frame_size = ov5670_enum_frame_size,
2422 };
2423
2424 static const struct v4l2_subdev_sensor_ops ov5670_sensor_ops = {
2425         .g_skip_frames = ov5670_get_skip_frames,
2426 };
2427
2428 static const struct v4l2_subdev_ops ov5670_subdev_ops = {
2429         .video = &ov5670_video_ops,
2430         .pad = &ov5670_pad_ops,
2431         .sensor = &ov5670_sensor_ops,
2432 };
2433
2434 static const struct media_entity_operations ov5670_subdev_entity_ops = {
2435         .link_validate = v4l2_subdev_link_validate,
2436 };
2437
2438 static const struct v4l2_subdev_internal_ops ov5670_internal_ops = {
2439         .open = ov5670_open,
2440 };
2441
2442 static int ov5670_probe(struct i2c_client *client)
2443 {
2444         struct ov5670 *ov5670;
2445         const char *err_msg;
2446         u32 input_clk = 0;
2447         int ret;
2448
2449         device_property_read_u32(&client->dev, "clock-frequency", &input_clk);
2450         if (input_clk != 19200000)
2451                 return -EINVAL;
2452
2453         ov5670 = devm_kzalloc(&client->dev, sizeof(*ov5670), GFP_KERNEL);
2454         if (!ov5670) {
2455                 ret = -ENOMEM;
2456                 err_msg = "devm_kzalloc() error";
2457                 goto error_print;
2458         }
2459
2460         /* Initialize subdev */
2461         v4l2_i2c_subdev_init(&ov5670->sd, client, &ov5670_subdev_ops);
2462
2463         /* Check module identity */
2464         ret = ov5670_identify_module(ov5670);
2465         if (ret) {
2466                 err_msg = "ov5670_identify_module() error";
2467                 goto error_print;
2468         }
2469
2470         mutex_init(&ov5670->mutex);
2471
2472         /* Set default mode to max resolution */
2473         ov5670->cur_mode = &supported_modes[0];
2474
2475         ret = ov5670_init_controls(ov5670);
2476         if (ret) {
2477                 err_msg = "ov5670_init_controls() error";
2478                 goto error_mutex_destroy;
2479         }
2480
2481         ov5670->sd.internal_ops = &ov5670_internal_ops;
2482         ov5670->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
2483         ov5670->sd.entity.ops = &ov5670_subdev_entity_ops;
2484         ov5670->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
2485
2486         /* Source pad initialization */
2487         ov5670->pad.flags = MEDIA_PAD_FL_SOURCE;
2488         ret = media_entity_pads_init(&ov5670->sd.entity, 1, &ov5670->pad);
2489         if (ret) {
2490                 err_msg = "media_entity_pads_init() error";
2491                 goto error_handler_free;
2492         }
2493
2494         /* Async register for subdev */
2495         ret = v4l2_async_register_subdev_sensor_common(&ov5670->sd);
2496         if (ret < 0) {
2497                 err_msg = "v4l2_async_register_subdev() error";
2498                 goto error_entity_cleanup;
2499         }
2500
2501         ov5670->streaming = false;
2502
2503         /*
2504          * Device is already turned on by i2c-core with ACPI domain PM.
2505          * Enable runtime PM and turn off the device.
2506          */
2507         pm_runtime_set_active(&client->dev);
2508         pm_runtime_enable(&client->dev);
2509         pm_runtime_idle(&client->dev);
2510
2511         return 0;
2512
2513 error_entity_cleanup:
2514         media_entity_cleanup(&ov5670->sd.entity);
2515
2516 error_handler_free:
2517         v4l2_ctrl_handler_free(ov5670->sd.ctrl_handler);
2518
2519 error_mutex_destroy:
2520         mutex_destroy(&ov5670->mutex);
2521
2522 error_print:
2523         dev_err(&client->dev, "%s: %s %d\n", __func__, err_msg, ret);
2524
2525         return ret;
2526 }
2527
2528 static int ov5670_remove(struct i2c_client *client)
2529 {
2530         struct v4l2_subdev *sd = i2c_get_clientdata(client);
2531         struct ov5670 *ov5670 = to_ov5670(sd);
2532
2533         v4l2_async_unregister_subdev(sd);
2534         media_entity_cleanup(&sd->entity);
2535         v4l2_ctrl_handler_free(sd->ctrl_handler);
2536         mutex_destroy(&ov5670->mutex);
2537
2538         pm_runtime_disable(&client->dev);
2539
2540         return 0;
2541 }
2542
2543 static const struct dev_pm_ops ov5670_pm_ops = {
2544         SET_SYSTEM_SLEEP_PM_OPS(ov5670_suspend, ov5670_resume)
2545 };
2546
2547 #ifdef CONFIG_ACPI
2548 static const struct acpi_device_id ov5670_acpi_ids[] = {
2549         {"INT3479"},
2550         { /* sentinel */ }
2551 };
2552
2553 MODULE_DEVICE_TABLE(acpi, ov5670_acpi_ids);
2554 #endif
2555
2556 static struct i2c_driver ov5670_i2c_driver = {
2557         .driver = {
2558                 .name = "ov5670",
2559                 .pm = &ov5670_pm_ops,
2560                 .acpi_match_table = ACPI_PTR(ov5670_acpi_ids),
2561         },
2562         .probe_new = ov5670_probe,
2563         .remove = ov5670_remove,
2564 };
2565
2566 module_i2c_driver(ov5670_i2c_driver);
2567
2568 MODULE_AUTHOR("Rapolu, Chiranjeevi <[email protected]>");
2569 MODULE_AUTHOR("Yang, Hyungwoo <[email protected]>");
2570 MODULE_DESCRIPTION("Omnivision ov5670 sensor driver");
2571 MODULE_LICENSE("GPL v2");