| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright (c) 2022 Intel Corporation. |
| |
| #include <asm-generic/unaligned.h> |
| #include <linux/acpi.h> |
| #include <linux/i2c.h> |
| #include <linux/module.h> |
| #include <linux/delay.h> |
| #include <linux/pm_runtime.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-device.h> |
| #include <media/v4l2-fwnode.h> |
| |
| #define OV08X40_REG_VALUE_08BIT 1 |
| #define OV08X40_REG_VALUE_16BIT 2 |
| #define OV08X40_REG_VALUE_24BIT 3 |
| |
| #define OV08X40_REG_MODE_SELECT 0x0100 |
| #define OV08X40_MODE_STANDBY 0x00 |
| #define OV08X40_MODE_STREAMING 0x01 |
| |
| #define OV08X40_REG_AO_STANDBY 0x1000 |
| #define OV08X40_AO_STREAMING 0x04 |
| |
| #define OV08X40_REG_MS_SELECT 0x1001 |
| #define OV08X40_MS_STANDBY 0x00 |
| #define OV08X40_MS_STREAMING 0x04 |
| |
| #define OV08X40_REG_SOFTWARE_RST 0x0103 |
| #define OV08X40_SOFTWARE_RST 0x01 |
| |
| /* Chip ID */ |
| #define OV08X40_REG_CHIP_ID 0x300a |
| #define OV08X40_CHIP_ID 0x560858 |
| |
| /* V_TIMING internal */ |
| #define OV08X40_REG_VTS 0x380e |
| #define OV08X40_VTS_30FPS 0x09c4 /* the VTS need to be half in normal mode */ |
| #define OV08X40_VTS_BIN_30FPS 0x115c |
| #define OV08X40_VTS_MAX 0x7fff |
| |
| /* H TIMING internal */ |
| #define OV08X40_REG_HTS 0x380c |
| #define OV08X40_HTS_30FPS 0x0280 |
| |
| /* Exposure control */ |
| #define OV08X40_REG_EXPOSURE 0x3500 |
| #define OV08X40_EXPOSURE_MAX_MARGIN 8 |
| #define OV08X40_EXPOSURE_BIN_MAX_MARGIN 2 |
| #define OV08X40_EXPOSURE_MIN 4 |
| #define OV08X40_EXPOSURE_STEP 1 |
| #define OV08X40_EXPOSURE_DEFAULT 0x40 |
| |
| /* Short Exposure control */ |
| #define OV08X40_REG_SHORT_EXPOSURE 0x3540 |
| |
| /* Analog gain control */ |
| #define OV08X40_REG_ANALOG_GAIN 0x3508 |
| #define OV08X40_ANA_GAIN_MIN 0x80 |
| #define OV08X40_ANA_GAIN_MAX 0x07c0 |
| #define OV08X40_ANA_GAIN_STEP 1 |
| #define OV08X40_ANA_GAIN_DEFAULT 0x80 |
| |
| /* Digital gain control */ |
| #define OV08X40_REG_DGTL_GAIN_H 0x350a |
| #define OV08X40_REG_DGTL_GAIN_M 0x350b |
| #define OV08X40_REG_DGTL_GAIN_L 0x350c |
| |
| #define OV08X40_DGTL_GAIN_MIN 1024 /* Min = 1 X */ |
| #define OV08X40_DGTL_GAIN_MAX (4096 - 1) /* Max = 4 X */ |
| #define OV08X40_DGTL_GAIN_DEFAULT 2560 /* Default gain = 2.5 X */ |
| #define OV08X40_DGTL_GAIN_STEP 1 /* Each step = 1/1024 */ |
| |
| #define OV08X40_DGTL_GAIN_L_SHIFT 6 |
| #define OV08X40_DGTL_GAIN_L_MASK 0x3 |
| #define OV08X40_DGTL_GAIN_M_SHIFT 2 |
| #define OV08X40_DGTL_GAIN_M_MASK 0xff |
| #define OV08X40_DGTL_GAIN_H_SHIFT 10 |
| #define OV08X40_DGTL_GAIN_H_MASK 0x1F |
| |
| /* Test Pattern Control */ |
| #define OV08X40_REG_TEST_PATTERN 0x50C1 |
| #define OV08X40_REG_ISP 0x5000 |
| #define OV08X40_REG_SHORT_TEST_PATTERN 0x53C1 |
| #define OV08X40_TEST_PATTERN_ENABLE BIT(0) |
| #define OV08X40_TEST_PATTERN_MASK 0xcf |
| #define OV08X40_TEST_PATTERN_BAR_SHIFT 4 |
| |
| /* Flip Control */ |
| #define OV08X40_REG_VFLIP 0x3820 |
| #define OV08X40_REG_MIRROR 0x3821 |
| |
| /* Horizontal Window Offset */ |
| #define OV08X40_REG_H_WIN_OFFSET 0x3811 |
| |
| /* Vertical Window Offset */ |
| #define OV08X40_REG_V_WIN_OFFSET 0x3813 |
| |
| /* Burst Register */ |
| #define OV08X40_REG_XTALK_FIRST_A 0x5a80 |
| #define OV08X40_REG_XTALK_LAST_A 0x5b9f |
| #define OV08X40_REG_XTALK_FIRST_B 0x5bc0 |
| #define OV08X40_REG_XTALK_LAST_B 0x5f1f |
| |
| enum { |
| OV08X40_LINK_FREQ_400MHZ_INDEX, |
| }; |
| |
| struct ov08x40_reg { |
| u16 address; |
| u8 val; |
| }; |
| |
| struct ov08x40_reg_list { |
| u32 num_of_regs; |
| const struct ov08x40_reg *regs; |
| }; |
| |
| /* Link frequency config */ |
| struct ov08x40_link_freq_config { |
| /* registers for this link frequency */ |
| struct ov08x40_reg_list reg_list; |
| }; |
| |
| /* Mode : resolution and related config&values */ |
| struct ov08x40_mode { |
| /* Frame width */ |
| u32 width; |
| /* Frame height */ |
| u32 height; |
| |
| u32 lanes; |
| /* V-timing */ |
| u32 vts_def; |
| u32 vts_min; |
| |
| /* Line Length Pixels */ |
| u32 llp; |
| |
| /* Index of Link frequency config to be used */ |
| u32 link_freq_index; |
| /* Default register values */ |
| struct ov08x40_reg_list reg_list; |
| |
| /* Exposure calculation */ |
| u16 exposure_margin; |
| u16 exposure_shift; |
| }; |
| |
| static const struct ov08x40_reg mipi_data_rate_800mbps[] = { |
| {0x0103, 0x01}, |
| {0x1000, 0x00}, |
| {0x1601, 0xd0}, |
| {0x1001, 0x04}, |
| {0x5004, 0x53}, |
| {0x5110, 0x00}, |
| {0x5111, 0x14}, |
| {0x5112, 0x01}, |
| {0x5113, 0x7b}, |
| {0x5114, 0x00}, |
| {0x5152, 0xa3}, |
| {0x5a52, 0x1f}, |
| {0x5a1a, 0x0e}, |
| {0x5a1b, 0x10}, |
| {0x5a1f, 0x0e}, |
| {0x5a27, 0x0e}, |
| {0x6002, 0x2e}, |
| }; |
| |
| static const struct ov08x40_reg mode_3856x2416_regs[] = { |
| {0x5000, 0x5d}, |
| {0x5001, 0x20}, |
| {0x5008, 0xb0}, |
| {0x50c1, 0x00}, |
| {0x53c1, 0x00}, |
| {0x5f40, 0x00}, |
| {0x5f41, 0x40}, |
| {0x0300, 0x3a}, |
| {0x0301, 0xc8}, |
| {0x0302, 0x31}, |
| {0x0303, 0x03}, |
| {0x0304, 0x01}, |
| {0x0305, 0xa1}, |
| {0x0306, 0x04}, |
| {0x0307, 0x01}, |
| {0x0308, 0x03}, |
| {0x0309, 0x03}, |
| {0x0310, 0x0a}, |
| {0x0311, 0x02}, |
| {0x0312, 0x01}, |
| {0x0313, 0x08}, |
| {0x0314, 0x66}, |
| {0x0315, 0x00}, |
| {0x0316, 0x34}, |
| {0x0320, 0x02}, |
| {0x0321, 0x03}, |
| {0x0323, 0x05}, |
| {0x0324, 0x01}, |
| {0x0325, 0xb8}, |
| {0x0326, 0x4a}, |
| {0x0327, 0x04}, |
| {0x0329, 0x00}, |
| {0x032a, 0x05}, |
| {0x032b, 0x00}, |
| {0x032c, 0x00}, |
| {0x032d, 0x00}, |
| {0x032e, 0x02}, |
| {0x032f, 0xa0}, |
| {0x0350, 0x00}, |
| {0x0360, 0x01}, |
| {0x1216, 0x60}, |
| {0x1217, 0x5b}, |
| {0x1218, 0x00}, |
| {0x1220, 0x24}, |
| {0x198a, 0x00}, |
| {0x198b, 0x01}, |
| {0x198e, 0x00}, |
| {0x198f, 0x01}, |
| {0x3009, 0x04}, |
| {0x3012, 0x41}, |
| {0x3015, 0x00}, |
| {0x3016, 0xb0}, |
| {0x3017, 0xf0}, |
| {0x3018, 0xf0}, |
| {0x3019, 0xd2}, |
| {0x301a, 0xb0}, |
| {0x301c, 0x81}, |
| {0x301d, 0x02}, |
| {0x301e, 0x80}, |
| {0x3022, 0xf0}, |
| {0x3025, 0x89}, |
| {0x3030, 0x03}, |
| {0x3044, 0xc2}, |
| {0x3050, 0x35}, |
| {0x3051, 0x60}, |
| {0x3052, 0x25}, |
| {0x3053, 0x00}, |
| {0x3054, 0x00}, |
| {0x3055, 0x02}, |
| {0x3056, 0x80}, |
| {0x3057, 0x80}, |
| {0x3058, 0x80}, |
| {0x3059, 0x00}, |
| {0x3107, 0x86}, |
| {0x3400, 0x1c}, |
| {0x3401, 0x80}, |
| {0x3402, 0x8c}, |
| {0x3419, 0x13}, |
| {0x341a, 0x89}, |
| {0x341b, 0x30}, |
| {0x3420, 0x00}, |
| {0x3421, 0x00}, |
| {0x3422, 0x00}, |
| {0x3423, 0x00}, |
| {0x3424, 0x00}, |
| {0x3425, 0x00}, |
| {0x3426, 0x00}, |
| {0x3427, 0x00}, |
| {0x3428, 0x0f}, |
| {0x3429, 0x00}, |
| {0x342a, 0x00}, |
| {0x342b, 0x00}, |
| {0x342c, 0x00}, |
| {0x342d, 0x00}, |
| {0x342e, 0x00}, |
| {0x342f, 0x11}, |
| {0x3430, 0x11}, |
| {0x3431, 0x10}, |
| {0x3432, 0x00}, |
| {0x3433, 0x00}, |
| {0x3434, 0x00}, |
| {0x3435, 0x00}, |
| {0x3436, 0x00}, |
| {0x3437, 0x00}, |
| {0x3442, 0x02}, |
| {0x3443, 0x02}, |
| {0x3444, 0x07}, |
| {0x3450, 0x00}, |
| {0x3451, 0x00}, |
| {0x3452, 0x18}, |
| {0x3453, 0x18}, |
| {0x3454, 0x00}, |
| {0x3455, 0x80}, |
| {0x3456, 0x08}, |
| {0x3500, 0x00}, |
| {0x3501, 0x02}, |
| {0x3502, 0x00}, |
| {0x3504, 0x4c}, |
| {0x3506, 0x30}, |
| {0x3507, 0x00}, |
| {0x3508, 0x01}, |
| {0x3509, 0x00}, |
| {0x350a, 0x01}, |
| {0x350b, 0x00}, |
| {0x350c, 0x00}, |
| {0x3540, 0x00}, |
| {0x3541, 0x01}, |
| {0x3542, 0x00}, |
| {0x3544, 0x4c}, |
| {0x3546, 0x30}, |
| {0x3547, 0x00}, |
| {0x3548, 0x01}, |
| {0x3549, 0x00}, |
| {0x354a, 0x01}, |
| {0x354b, 0x00}, |
| {0x354c, 0x00}, |
| {0x3688, 0x02}, |
| {0x368a, 0x2e}, |
| {0x368e, 0x71}, |
| {0x3696, 0xd1}, |
| {0x3699, 0x00}, |
| {0x369a, 0x00}, |
| {0x36a4, 0x00}, |
| {0x36a6, 0x00}, |
| {0x3711, 0x00}, |
| {0x3712, 0x51}, |
| {0x3713, 0x00}, |
| {0x3714, 0x24}, |
| {0x3716, 0x00}, |
| {0x3718, 0x07}, |
| {0x371a, 0x1c}, |
| {0x371b, 0x00}, |
| {0x3720, 0x08}, |
| {0x3725, 0x32}, |
| {0x3727, 0x05}, |
| {0x3760, 0x02}, |
| {0x3761, 0x17}, |
| {0x3762, 0x02}, |
| {0x3763, 0x02}, |
| {0x3764, 0x02}, |
| {0x3765, 0x2c}, |
| {0x3766, 0x04}, |
| {0x3767, 0x2c}, |
| {0x3768, 0x02}, |
| {0x3769, 0x00}, |
| {0x376b, 0x20}, |
| {0x376e, 0x03}, |
| {0x37b0, 0x00}, |
| {0x37b1, 0xab}, |
| {0x37b2, 0x01}, |
| {0x37b3, 0x82}, |
| {0x37b4, 0x00}, |
| {0x37b5, 0xe4}, |
| {0x37b6, 0x01}, |
| {0x37b7, 0xee}, |
| {0x3800, 0x00}, |
| {0x3801, 0x00}, |
| {0x3802, 0x00}, |
| {0x3803, 0x00}, |
| {0x3804, 0x0f}, |
| {0x3805, 0x1f}, |
| {0x3806, 0x09}, |
| {0x3807, 0x7f}, |
| {0x3808, 0x0f}, |
| {0x3809, 0x10}, |
| {0x380a, 0x09}, |
| {0x380b, 0x70}, |
| {0x380c, 0x02}, |
| {0x380d, 0x80}, |
| {0x380e, 0x13}, |
| {0x380f, 0x88}, |
| {0x3810, 0x00}, |
| {0x3811, 0x08}, |
| {0x3812, 0x00}, |
| {0x3813, 0x07}, |
| {0x3814, 0x11}, |
| {0x3815, 0x11}, |
| {0x3820, 0x00}, |
| {0x3821, 0x04}, |
| {0x3822, 0x00}, |
| {0x3823, 0x04}, |
| {0x3828, 0x0f}, |
| {0x382a, 0x80}, |
| {0x382e, 0x41}, |
| {0x3837, 0x08}, |
| {0x383a, 0x81}, |
| {0x383b, 0x81}, |
| {0x383c, 0x11}, |
| {0x383d, 0x11}, |
| {0x383e, 0x00}, |
| {0x383f, 0x38}, |
| {0x3840, 0x00}, |
| {0x3847, 0x00}, |
| {0x384a, 0x00}, |
| {0x384c, 0x02}, |
| {0x384d, 0x80}, |
| {0x3856, 0x50}, |
| {0x3857, 0x30}, |
| {0x3858, 0x80}, |
| {0x3859, 0x40}, |
| {0x3860, 0x00}, |
| {0x3888, 0x00}, |
| {0x3889, 0x00}, |
| {0x388a, 0x00}, |
| {0x388b, 0x00}, |
| {0x388c, 0x00}, |
| {0x388d, 0x00}, |
| {0x388e, 0x00}, |
| {0x388f, 0x00}, |
| {0x3894, 0x00}, |
| {0x3895, 0x00}, |
| {0x3c84, 0x00}, |
| {0x3d85, 0x8b}, |
| {0x3daa, 0x80}, |
| {0x3dab, 0x14}, |
| {0x3dac, 0x80}, |
| {0x3dad, 0xc8}, |
| {0x3dae, 0x81}, |
| {0x3daf, 0x7b}, |
| {0x3f00, 0x10}, |
| {0x3f01, 0x11}, |
| {0x3f06, 0x0d}, |
| {0x3f07, 0x0b}, |
| {0x3f08, 0x0d}, |
| {0x3f09, 0x0b}, |
| {0x3f0a, 0x01}, |
| {0x3f0b, 0x11}, |
| {0x3f0c, 0x33}, |
| {0x4001, 0x07}, |
| {0x4007, 0x20}, |
| {0x4008, 0x00}, |
| {0x4009, 0x05}, |
| {0x400a, 0x00}, |
| {0x400b, 0x08}, |
| {0x400c, 0x00}, |
| {0x400d, 0x08}, |
| {0x400e, 0x14}, |
| {0x4010, 0xf4}, |
| {0x4011, 0x03}, |
| {0x4012, 0x55}, |
| {0x4015, 0x00}, |
| {0x4016, 0x2d}, |
| {0x4017, 0x00}, |
| {0x4018, 0x0f}, |
| {0x401b, 0x08}, |
| {0x401c, 0x00}, |
| {0x401d, 0x10}, |
| {0x401e, 0x02}, |
| {0x401f, 0x00}, |
| {0x4050, 0x06}, |
| {0x4051, 0xff}, |
| {0x4052, 0xff}, |
| {0x4053, 0xff}, |
| {0x4054, 0xff}, |
| {0x4055, 0xff}, |
| {0x4056, 0xff}, |
| {0x4057, 0x7f}, |
| {0x4058, 0x00}, |
| {0x4059, 0x00}, |
| {0x405a, 0x00}, |
| {0x405b, 0x00}, |
| {0x405c, 0x07}, |
| {0x405d, 0xff}, |
| {0x405e, 0x07}, |
| {0x405f, 0xff}, |
| {0x4080, 0x78}, |
| {0x4081, 0x78}, |
| {0x4082, 0x78}, |
| {0x4083, 0x78}, |
| {0x4019, 0x00}, |
| {0x401a, 0x40}, |
| {0x4020, 0x04}, |
| {0x4021, 0x00}, |
| {0x4022, 0x04}, |
| {0x4023, 0x00}, |
| {0x4024, 0x04}, |
| {0x4025, 0x00}, |
| {0x4026, 0x04}, |
| {0x4027, 0x00}, |
| {0x4030, 0x00}, |
| {0x4031, 0x00}, |
| {0x4032, 0x00}, |
| {0x4033, 0x00}, |
| {0x4034, 0x00}, |
| {0x4035, 0x00}, |
| {0x4036, 0x00}, |
| {0x4037, 0x00}, |
| {0x4040, 0x00}, |
| {0x4041, 0x80}, |
| {0x4042, 0x00}, |
| {0x4043, 0x80}, |
| {0x4044, 0x00}, |
| {0x4045, 0x80}, |
| {0x4046, 0x00}, |
| {0x4047, 0x80}, |
| {0x4060, 0x00}, |
| {0x4061, 0x00}, |
| {0x4062, 0x00}, |
| {0x4063, 0x00}, |
| {0x4064, 0x00}, |
| {0x4065, 0x00}, |
| {0x4066, 0x00}, |
| {0x4067, 0x00}, |
| {0x4068, 0x00}, |
| {0x4069, 0x00}, |
| {0x406a, 0x00}, |
| {0x406b, 0x00}, |
| {0x406c, 0x00}, |
| {0x406d, 0x00}, |
| {0x406e, 0x00}, |
| {0x406f, 0x00}, |
| {0x4070, 0x00}, |
| {0x4071, 0x00}, |
| {0x4072, 0x00}, |
| {0x4073, 0x00}, |
| {0x4074, 0x00}, |
| {0x4075, 0x00}, |
| {0x4076, 0x00}, |
| {0x4077, 0x00}, |
| {0x4078, 0x00}, |
| {0x4079, 0x00}, |
| {0x407a, 0x00}, |
| {0x407b, 0x00}, |
| {0x407c, 0x00}, |
| {0x407d, 0x00}, |
| {0x407e, 0x00}, |
| {0x407f, 0x00}, |
| {0x40e0, 0x00}, |
| {0x40e1, 0x00}, |
| {0x40e2, 0x00}, |
| {0x40e3, 0x00}, |
| {0x40e4, 0x00}, |
| {0x40e5, 0x00}, |
| {0x40e6, 0x00}, |
| {0x40e7, 0x00}, |
| {0x40e8, 0x00}, |
| {0x40e9, 0x80}, |
| {0x40ea, 0x00}, |
| {0x40eb, 0x80}, |
| {0x40ec, 0x00}, |
| {0x40ed, 0x80}, |
| {0x40ee, 0x00}, |
| {0x40ef, 0x80}, |
| {0x40f0, 0x02}, |
| {0x40f1, 0x04}, |
| {0x4300, 0x00}, |
| {0x4301, 0x00}, |
| {0x4302, 0x00}, |
| {0x4303, 0x00}, |
| {0x4304, 0x00}, |
| {0x4305, 0x00}, |
| {0x4306, 0x00}, |
| {0x4307, 0x00}, |
| {0x4308, 0x00}, |
| {0x4309, 0x00}, |
| {0x430a, 0x00}, |
| {0x430b, 0xff}, |
| {0x430c, 0xff}, |
| {0x430d, 0x00}, |
| {0x430e, 0x00}, |
| {0x4315, 0x00}, |
| {0x4316, 0x00}, |
| {0x4317, 0x00}, |
| {0x4318, 0x00}, |
| {0x4319, 0x00}, |
| {0x431a, 0x00}, |
| {0x431b, 0x00}, |
| {0x431c, 0x00}, |
| {0x4500, 0x07}, |
| {0x4501, 0x00}, |
| {0x4502, 0x00}, |
| {0x4503, 0x0f}, |
| {0x4504, 0x80}, |
| {0x4506, 0x01}, |
| {0x4509, 0x05}, |
| {0x450c, 0x00}, |
| {0x450d, 0x20}, |
| {0x450e, 0x00}, |
| {0x450f, 0x00}, |
| {0x4510, 0x00}, |
| {0x4523, 0x00}, |
| {0x4526, 0x00}, |
| {0x4542, 0x00}, |
| {0x4543, 0x00}, |
| {0x4544, 0x00}, |
| {0x4545, 0x00}, |
| {0x4546, 0x00}, |
| {0x4547, 0x10}, |
| {0x4602, 0x00}, |
| {0x4603, 0x15}, |
| {0x460b, 0x07}, |
| {0x4680, 0x11}, |
| {0x4686, 0x00}, |
| {0x4687, 0x00}, |
| {0x4700, 0x00}, |
| {0x4800, 0x64}, |
| {0x4806, 0x40}, |
| {0x480b, 0x10}, |
| {0x480c, 0x80}, |
| {0x480f, 0x32}, |
| {0x4813, 0xe4}, |
| {0x4837, 0x14}, |
| {0x4850, 0x42}, |
| {0x4884, 0x04}, |
| {0x4c00, 0xf8}, |
| {0x4c01, 0x44}, |
| {0x4c03, 0x00}, |
| {0x4d00, 0x00}, |
| {0x4d01, 0x16}, |
| {0x4d04, 0x10}, |
| {0x4d05, 0x00}, |
| {0x4d06, 0x0c}, |
| {0x4d07, 0x00}, |
| {0x3d84, 0x04}, |
| {0x3680, 0xa4}, |
| {0x3682, 0x80}, |
| {0x3601, 0x40}, |
| {0x3602, 0x90}, |
| {0x3608, 0x0a}, |
| {0x3938, 0x09}, |
| {0x3a74, 0x84}, |
| {0x3a99, 0x84}, |
| {0x3ab9, 0xa6}, |
| {0x3aba, 0xba}, |
| {0x3b12, 0x84}, |
| {0x3b14, 0xbb}, |
| {0x3b15, 0xbf}, |
| {0x3a29, 0x26}, |
| {0x3a1f, 0x8a}, |
| {0x3a22, 0x91}, |
| {0x3a25, 0x96}, |
| {0x3a28, 0xb4}, |
| {0x3a2b, 0xba}, |
| {0x3a2e, 0xbf}, |
| {0x3a31, 0xc1}, |
| {0x3a20, 0x00}, |
| {0x3939, 0x9d}, |
| {0x3902, 0x0e}, |
| {0x3903, 0x0e}, |
| {0x3904, 0x0e}, |
| {0x3905, 0x0e}, |
| {0x3906, 0x07}, |
| {0x3907, 0x0d}, |
| {0x3908, 0x11}, |
| {0x3909, 0x12}, |
| {0x360f, 0x99}, |
| {0x390c, 0x33}, |
| {0x390d, 0x66}, |
| {0x390e, 0xaa}, |
| {0x3911, 0x90}, |
| {0x3913, 0x90}, |
| {0x3915, 0x90}, |
| {0x3917, 0x90}, |
| {0x3b3f, 0x9d}, |
| {0x3b45, 0x9d}, |
| {0x3b1b, 0xc9}, |
| {0x3b21, 0xc9}, |
| {0x3440, 0xa4}, |
| {0x3a23, 0x15}, |
| {0x3a26, 0x1d}, |
| {0x3a2c, 0x4a}, |
| {0x3a2f, 0x18}, |
| {0x3a32, 0x55}, |
| {0x3b0a, 0x01}, |
| {0x3b0b, 0x00}, |
| {0x3b0e, 0x01}, |
| {0x3b0f, 0x00}, |
| {0x392c, 0x02}, |
| {0x392d, 0x02}, |
| {0x392e, 0x04}, |
| {0x392f, 0x03}, |
| {0x3930, 0x08}, |
| {0x3931, 0x07}, |
| {0x3932, 0x10}, |
| {0x3933, 0x0c}, |
| {0x3609, 0x08}, |
| {0x3921, 0x0f}, |
| {0x3928, 0x15}, |
| {0x3929, 0x2a}, |
| {0x392a, 0x54}, |
| {0x392b, 0xa8}, |
| {0x3426, 0x10}, |
| {0x3407, 0x01}, |
| {0x3404, 0x01}, |
| {0x3500, 0x00}, |
| {0x3501, 0x10}, |
| {0x3502, 0x10}, |
| {0x3508, 0x0f}, |
| {0x3509, 0x80}, |
| }; |
| |
| static const struct ov08x40_reg mode_1928x1208_regs[] = { |
| {0x5000, 0x55}, |
| {0x5001, 0x00}, |
| {0x5008, 0xb0}, |
| {0x50c1, 0x00}, |
| {0x53c1, 0x00}, |
| {0x5f40, 0x00}, |
| {0x5f41, 0x40}, |
| {0x0300, 0x3a}, |
| {0x0301, 0xc8}, |
| {0x0302, 0x31}, |
| {0x0303, 0x03}, |
| {0x0304, 0x01}, |
| {0x0305, 0xa1}, |
| {0x0306, 0x04}, |
| {0x0307, 0x01}, |
| {0x0308, 0x03}, |
| {0x0309, 0x03}, |
| {0x0310, 0x0a}, |
| {0x0311, 0x02}, |
| {0x0312, 0x01}, |
| {0x0313, 0x08}, |
| {0x0314, 0x66}, |
| {0x0315, 0x00}, |
| {0x0316, 0x34}, |
| {0x0320, 0x02}, |
| {0x0321, 0x03}, |
| {0x0323, 0x05}, |
| {0x0324, 0x01}, |
| {0x0325, 0xb8}, |
| {0x0326, 0x4a}, |
| {0x0327, 0x04}, |
| {0x0329, 0x00}, |
| {0x032a, 0x05}, |
| {0x032b, 0x00}, |
| {0x032c, 0x00}, |
| {0x032d, 0x00}, |
| {0x032e, 0x02}, |
| {0x032f, 0xa0}, |
| {0x0350, 0x00}, |
| {0x0360, 0x01}, |
| {0x1216, 0x60}, |
| {0x1217, 0x5b}, |
| {0x1218, 0x00}, |
| {0x1220, 0x24}, |
| {0x198a, 0x00}, |
| {0x198b, 0x01}, |
| {0x198e, 0x00}, |
| {0x198f, 0x01}, |
| {0x3009, 0x04}, |
| {0x3012, 0x41}, |
| {0x3015, 0x00}, |
| {0x3016, 0xb0}, |
| {0x3017, 0xf0}, |
| {0x3018, 0xf0}, |
| {0x3019, 0xd2}, |
| {0x301a, 0xb0}, |
| {0x301c, 0x81}, |
| {0x301d, 0x02}, |
| {0x301e, 0x80}, |
| {0x3022, 0xf0}, |
| {0x3025, 0x89}, |
| {0x3030, 0x03}, |
| {0x3044, 0xc2}, |
| {0x3050, 0x35}, |
| {0x3051, 0x60}, |
| {0x3052, 0x25}, |
| {0x3053, 0x00}, |
| {0x3054, 0x00}, |
| {0x3055, 0x02}, |
| {0x3056, 0x80}, |
| {0x3057, 0x80}, |
| {0x3058, 0x80}, |
| {0x3059, 0x00}, |
| {0x3107, 0x86}, |
| {0x3400, 0x1c}, |
| {0x3401, 0x80}, |
| {0x3402, 0x8c}, |
| {0x3419, 0x08}, |
| {0x341a, 0xaf}, |
| {0x341b, 0x30}, |
| {0x3420, 0x00}, |
| {0x3421, 0x00}, |
| {0x3422, 0x00}, |
| {0x3423, 0x00}, |
| {0x3424, 0x00}, |
| {0x3425, 0x00}, |
| {0x3426, 0x00}, |
| {0x3427, 0x00}, |
| {0x3428, 0x0f}, |
| {0x3429, 0x00}, |
| {0x342a, 0x00}, |
| {0x342b, 0x00}, |
| {0x342c, 0x00}, |
| {0x342d, 0x00}, |
| {0x342e, 0x00}, |
| {0x342f, 0x11}, |
| {0x3430, 0x11}, |
| {0x3431, 0x10}, |
| {0x3432, 0x00}, |
| {0x3433, 0x00}, |
| {0x3434, 0x00}, |
| {0x3435, 0x00}, |
| {0x3436, 0x00}, |
| {0x3437, 0x00}, |
| {0x3442, 0x02}, |
| {0x3443, 0x02}, |
| {0x3444, 0x07}, |
| {0x3450, 0x00}, |
| {0x3451, 0x00}, |
| {0x3452, 0x18}, |
| {0x3453, 0x18}, |
| {0x3454, 0x00}, |
| {0x3455, 0x80}, |
| {0x3456, 0x08}, |
| {0x3500, 0x00}, |
| {0x3501, 0x02}, |
| {0x3502, 0x00}, |
| {0x3504, 0x4c}, |
| {0x3506, 0x30}, |
| {0x3507, 0x00}, |
| {0x3508, 0x01}, |
| {0x3509, 0x00}, |
| {0x350a, 0x01}, |
| {0x350b, 0x00}, |
| {0x350c, 0x00}, |
| {0x3540, 0x00}, |
| {0x3541, 0x01}, |
| {0x3542, 0x00}, |
| {0x3544, 0x4c}, |
| {0x3546, 0x30}, |
| {0x3547, 0x00}, |
| {0x3548, 0x01}, |
| {0x3549, 0x00}, |
| {0x354a, 0x01}, |
| {0x354b, 0x00}, |
| {0x354c, 0x00}, |
| {0x3688, 0x02}, |
| {0x368a, 0x2e}, |
| {0x368e, 0x71}, |
| {0x3696, 0xd1}, |
| {0x3699, 0x00}, |
| {0x369a, 0x00}, |
| {0x36a4, 0x00}, |
| {0x36a6, 0x00}, |
| {0x3711, 0x00}, |
| {0x3712, 0x50}, |
| {0x3713, 0x00}, |
| {0x3714, 0x21}, |
| {0x3716, 0x00}, |
| {0x3718, 0x07}, |
| {0x371a, 0x1c}, |
| {0x371b, 0x00}, |
| {0x3720, 0x08}, |
| {0x3725, 0x32}, |
| {0x3727, 0x05}, |
| {0x3760, 0x02}, |
| {0x3761, 0x28}, |
| {0x3762, 0x02}, |
| {0x3763, 0x02}, |
| {0x3764, 0x02}, |
| {0x3765, 0x2c}, |
| {0x3766, 0x04}, |
| {0x3767, 0x2c}, |
| {0x3768, 0x02}, |
| {0x3769, 0x00}, |
| {0x376b, 0x20}, |
| {0x376e, 0x07}, |
| {0x37b0, 0x01}, |
| {0x37b1, 0x0f}, |
| {0x37b2, 0x01}, |
| {0x37b3, 0xd6}, |
| {0x37b4, 0x01}, |
| {0x37b5, 0x48}, |
| {0x37b6, 0x02}, |
| {0x37b7, 0x40}, |
| {0x3800, 0x00}, |
| {0x3801, 0x00}, |
| {0x3802, 0x00}, |
| {0x3803, 0x00}, |
| {0x3804, 0x0f}, |
| {0x3805, 0x1f}, |
| {0x3806, 0x09}, |
| {0x3807, 0x7f}, |
| {0x3808, 0x07}, |
| {0x3809, 0x88}, |
| {0x380a, 0x04}, |
| {0x380b, 0xb8}, |
| {0x380c, 0x02}, |
| {0x380d, 0xd0}, |
| {0x380e, 0x11}, |
| {0x380f, 0x5c}, |
| {0x3810, 0x00}, |
| {0x3811, 0x04}, |
| {0x3812, 0x00}, |
| {0x3813, 0x03}, |
| {0x3814, 0x11}, |
| {0x3815, 0x11}, |
| {0x3820, 0x02}, |
| {0x3821, 0x14}, |
| {0x3822, 0x00}, |
| {0x3823, 0x04}, |
| {0x3828, 0x0f}, |
| {0x382a, 0x80}, |
| {0x382e, 0x41}, |
| {0x3837, 0x08}, |
| {0x383a, 0x81}, |
| {0x383b, 0x81}, |
| {0x383c, 0x11}, |
| {0x383d, 0x11}, |
| {0x383e, 0x00}, |
| {0x383f, 0x38}, |
| {0x3840, 0x00}, |
| {0x3847, 0x00}, |
| {0x384a, 0x00}, |
| {0x384c, 0x02}, |
| {0x384d, 0xd0}, |
| {0x3856, 0x50}, |
| {0x3857, 0x30}, |
| {0x3858, 0x80}, |
| {0x3859, 0x40}, |
| {0x3860, 0x00}, |
| {0x3888, 0x00}, |
| {0x3889, 0x00}, |
| {0x388a, 0x00}, |
| {0x388b, 0x00}, |
| {0x388c, 0x00}, |
| {0x388d, 0x00}, |
| {0x388e, 0x00}, |
| {0x388f, 0x00}, |
| {0x3894, 0x00}, |
| {0x3895, 0x00}, |
| {0x3c84, 0x00}, |
| {0x3d85, 0x8b}, |
| {0x3daa, 0x80}, |
| {0x3dab, 0x14}, |
| {0x3dac, 0x80}, |
| {0x3dad, 0xc8}, |
| {0x3dae, 0x81}, |
| {0x3daf, 0x7b}, |
| {0x3f00, 0x10}, |
| {0x3f01, 0x11}, |
| {0x3f06, 0x0d}, |
| {0x3f07, 0x0b}, |
| {0x3f08, 0x0d}, |
| {0x3f09, 0x0b}, |
| {0x3f0a, 0x01}, |
| {0x3f0b, 0x11}, |
| {0x3f0c, 0x33}, |
| {0x4001, 0x07}, |
| {0x4007, 0x20}, |
| {0x4008, 0x00}, |
| {0x4009, 0x05}, |
| {0x400a, 0x00}, |
| {0x400b, 0x04}, |
| {0x400c, 0x00}, |
| {0x400d, 0x04}, |
| {0x400e, 0x14}, |
| {0x4010, 0xf4}, |
| {0x4011, 0x03}, |
| {0x4012, 0x55}, |
| {0x4015, 0x00}, |
| {0x4016, 0x27}, |
| {0x4017, 0x00}, |
| {0x4018, 0x0f}, |
| {0x401b, 0x08}, |
| {0x401c, 0x00}, |
| {0x401d, 0x10}, |
| {0x401e, 0x02}, |
| {0x401f, 0x00}, |
| {0x4050, 0x06}, |
| {0x4051, 0xff}, |
| {0x4052, 0xff}, |
| {0x4053, 0xff}, |
| {0x4054, 0xff}, |
| {0x4055, 0xff}, |
| {0x4056, 0xff}, |
| {0x4057, 0x7f}, |
| {0x4058, 0x00}, |
| {0x4059, 0x00}, |
| {0x405a, 0x00}, |
| {0x405b, 0x00}, |
| {0x405c, 0x07}, |
| {0x405d, 0xff}, |
| {0x405e, 0x07}, |
| {0x405f, 0xff}, |
| {0x4080, 0x78}, |
| {0x4081, 0x78}, |
| {0x4082, 0x78}, |
| {0x4083, 0x78}, |
| {0x4019, 0x00}, |
| {0x401a, 0x40}, |
| {0x4020, 0x04}, |
| {0x4021, 0x00}, |
| {0x4022, 0x04}, |
| {0x4023, 0x00}, |
| {0x4024, 0x04}, |
| {0x4025, 0x00}, |
| {0x4026, 0x04}, |
| {0x4027, 0x00}, |
| {0x4030, 0x00}, |
| {0x4031, 0x00}, |
| {0x4032, 0x00}, |
| {0x4033, 0x00}, |
| {0x4034, 0x00}, |
| {0x4035, 0x00}, |
| {0x4036, 0x00}, |
| {0x4037, 0x00}, |
| {0x4040, 0x00}, |
| {0x4041, 0x80}, |
| {0x4042, 0x00}, |
| {0x4043, 0x80}, |
| {0x4044, 0x00}, |
| {0x4045, 0x80}, |
| {0x4046, 0x00}, |
| {0x4047, 0x80}, |
| {0x4060, 0x00}, |
| {0x4061, 0x00}, |
| {0x4062, 0x00}, |
| {0x4063, 0x00}, |
| {0x4064, 0x00}, |
| {0x4065, 0x00}, |
| {0x4066, 0x00}, |
| {0x4067, 0x00}, |
| {0x4068, 0x00}, |
| {0x4069, 0x00}, |
| {0x406a, 0x00}, |
| {0x406b, 0x00}, |
| {0x406c, 0x00}, |
| {0x406d, 0x00}, |
| {0x406e, 0x00}, |
| {0x406f, 0x00}, |
| {0x4070, 0x00}, |
| {0x4071, 0x00}, |
| {0x4072, 0x00}, |
| {0x4073, 0x00}, |
| {0x4074, 0x00}, |
| {0x4075, 0x00}, |
| {0x4076, 0x00}, |
| {0x4077, 0x00}, |
| {0x4078, 0x00}, |
| {0x4079, 0x00}, |
| {0x407a, 0x00}, |
| {0x407b, 0x00}, |
| {0x407c, 0x00}, |
| {0x407d, 0x00}, |
| {0x407e, 0x00}, |
| {0x407f, 0x00}, |
| {0x40e0, 0x00}, |
| {0x40e1, 0x00}, |
| {0x40e2, 0x00}, |
| {0x40e3, 0x00}, |
| {0x40e4, 0x00}, |
| {0x40e5, 0x00}, |
| {0x40e6, 0x00}, |
| {0x40e7, 0x00}, |
| {0x40e8, 0x00}, |
| {0x40e9, 0x80}, |
| {0x40ea, 0x00}, |
| {0x40eb, 0x80}, |
| {0x40ec, 0x00}, |
| {0x40ed, 0x80}, |
| {0x40ee, 0x00}, |
| {0x40ef, 0x80}, |
| {0x40f0, 0x02}, |
| {0x40f1, 0x04}, |
| {0x4300, 0x00}, |
| {0x4301, 0x00}, |
| {0x4302, 0x00}, |
| {0x4303, 0x00}, |
| {0x4304, 0x00}, |
| {0x4305, 0x00}, |
| {0x4306, 0x00}, |
| {0x4307, 0x00}, |
| {0x4308, 0x00}, |
| {0x4309, 0x00}, |
| {0x430a, 0x00}, |
| {0x430b, 0xff}, |
| {0x430c, 0xff}, |
| {0x430d, 0x00}, |
| {0x430e, 0x00}, |
| {0x4315, 0x00}, |
| {0x4316, 0x00}, |
| {0x4317, 0x00}, |
| {0x4318, 0x00}, |
| {0x4319, 0x00}, |
| {0x431a, 0x00}, |
| {0x431b, 0x00}, |
| {0x431c, 0x00}, |
| {0x4500, 0x07}, |
| {0x4501, 0x10}, |
| {0x4502, 0x00}, |
| {0x4503, 0x0f}, |
| {0x4504, 0x80}, |
| {0x4506, 0x01}, |
| {0x4509, 0x05}, |
| {0x450c, 0x00}, |
| {0x450d, 0x20}, |
| {0x450e, 0x00}, |
| {0x450f, 0x00}, |
| {0x4510, 0x00}, |
| {0x4523, 0x00}, |
| {0x4526, 0x00}, |
| {0x4542, 0x00}, |
| {0x4543, 0x00}, |
| {0x4544, 0x00}, |
| {0x4545, 0x00}, |
| {0x4546, 0x00}, |
| {0x4547, 0x10}, |
| {0x4602, 0x00}, |
| {0x4603, 0x15}, |
| {0x460b, 0x07}, |
| {0x4680, 0x11}, |
| {0x4686, 0x00}, |
| {0x4687, 0x00}, |
| {0x4700, 0x00}, |
| {0x4800, 0x64}, |
| {0x4806, 0x40}, |
| {0x480b, 0x10}, |
| {0x480c, 0x80}, |
| {0x480f, 0x32}, |
| {0x4813, 0xe4}, |
| {0x4837, 0x14}, |
| {0x4850, 0x42}, |
| {0x4884, 0x04}, |
| {0x4c00, 0xf8}, |
| {0x4c01, 0x44}, |
| {0x4c03, 0x00}, |
| {0x4d00, 0x00}, |
| {0x4d01, 0x16}, |
| {0x4d04, 0x10}, |
| {0x4d05, 0x00}, |
| {0x4d06, 0x0c}, |
| {0x4d07, 0x00}, |
| {0x3d84, 0x04}, |
| {0x3680, 0xa4}, |
| {0x3682, 0x80}, |
| {0x3601, 0x40}, |
| {0x3602, 0x90}, |
| {0x3608, 0x0a}, |
| {0x3938, 0x09}, |
| {0x3a74, 0x84}, |
| {0x3a99, 0x84}, |
| {0x3ab9, 0xa6}, |
| {0x3aba, 0xba}, |
| {0x3b12, 0x84}, |
| {0x3b14, 0xbb}, |
| {0x3b15, 0xbf}, |
| {0x3a29, 0x26}, |
| {0x3a1f, 0x8a}, |
| {0x3a22, 0x91}, |
| {0x3a25, 0x96}, |
| {0x3a28, 0xb4}, |
| {0x3a2b, 0xba}, |
| {0x3a2e, 0xbf}, |
| {0x3a31, 0xc1}, |
| {0x3a20, 0x05}, |
| {0x3939, 0x6b}, |
| {0x3902, 0x10}, |
| {0x3903, 0x10}, |
| {0x3904, 0x10}, |
| {0x3905, 0x10}, |
| {0x3906, 0x01}, |
| {0x3907, 0x0b}, |
| {0x3908, 0x10}, |
| {0x3909, 0x13}, |
| {0x360f, 0x99}, |
| {0x390b, 0x11}, |
| {0x390c, 0x21}, |
| {0x390d, 0x32}, |
| {0x390e, 0x76}, |
| {0x3911, 0x90}, |
| {0x3913, 0x90}, |
| {0x3b3f, 0x9d}, |
| {0x3b45, 0x9d}, |
| {0x3b1b, 0xc9}, |
| {0x3b21, 0xc9}, |
| {0x3a1a, 0x1c}, |
| {0x3a23, 0x15}, |
| {0x3a26, 0x17}, |
| {0x3a2c, 0x50}, |
| {0x3a2f, 0x18}, |
| {0x3a32, 0x4f}, |
| {0x3ace, 0x01}, |
| {0x3ad2, 0x01}, |
| {0x3ad6, 0x01}, |
| {0x3ada, 0x01}, |
| {0x3ade, 0x01}, |
| {0x3ae2, 0x01}, |
| {0x3aee, 0x01}, |
| {0x3af2, 0x01}, |
| {0x3af6, 0x01}, |
| {0x3afa, 0x01}, |
| {0x3afe, 0x01}, |
| {0x3b02, 0x01}, |
| {0x3b06, 0x01}, |
| {0x3b0a, 0x01}, |
| {0x3b0b, 0x00}, |
| {0x3b0e, 0x01}, |
| {0x3b0f, 0x00}, |
| {0x392c, 0x02}, |
| {0x392d, 0x01}, |
| {0x392e, 0x04}, |
| {0x392f, 0x03}, |
| {0x3930, 0x09}, |
| {0x3931, 0x07}, |
| {0x3932, 0x10}, |
| {0x3933, 0x0d}, |
| {0x3609, 0x08}, |
| {0x3921, 0x0f}, |
| {0x3928, 0x15}, |
| {0x3929, 0x2a}, |
| {0x392a, 0x52}, |
| {0x392b, 0xa3}, |
| {0x340b, 0x1b}, |
| {0x3426, 0x10}, |
| {0x3407, 0x01}, |
| {0x3404, 0x01}, |
| {0x3500, 0x00}, |
| {0x3501, 0x08}, |
| {0x3502, 0x10}, |
| {0x3508, 0x04}, |
| {0x3509, 0x00}, |
| }; |
| |
| static const char * const ov08x40_test_pattern_menu[] = { |
| "Disabled", |
| "Vertical Color Bar Type 1", |
| "Vertical Color Bar Type 2", |
| "Vertical Color Bar Type 3", |
| "Vertical Color Bar Type 4" |
| }; |
| |
| /* Configurations for supported link frequencies */ |
| #define OV08X40_LINK_FREQ_400MHZ 400000000ULL |
| #define OV08X40_SCLK_96MHZ 96000000ULL |
| #define OV08X40_EXT_CLK 19200000 |
| #define OV08X40_DATA_LANES 4 |
| |
| /* |
| * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample |
| * data rate => double data rate; number of lanes => 4; bits per pixel => 10 |
| */ |
| static u64 link_freq_to_pixel_rate(u64 f) |
| { |
| f *= 2 * OV08X40_DATA_LANES; |
| do_div(f, 10); |
| |
| return f; |
| } |
| |
| /* Menu items for LINK_FREQ V4L2 control */ |
| static const s64 link_freq_menu_items[] = { |
| OV08X40_LINK_FREQ_400MHZ, |
| }; |
| |
| /* Link frequency configs */ |
| static const struct ov08x40_link_freq_config link_freq_configs[] = { |
| [OV08X40_LINK_FREQ_400MHZ_INDEX] = { |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mipi_data_rate_800mbps), |
| .regs = mipi_data_rate_800mbps, |
| } |
| }, |
| }; |
| |
| /* Mode configs */ |
| static const struct ov08x40_mode supported_modes[] = { |
| { |
| .width = 3856, |
| .height = 2416, |
| .vts_def = OV08X40_VTS_30FPS, |
| .vts_min = OV08X40_VTS_30FPS, |
| .llp = 0x10aa, /* in normal mode, tline time = 2 * HTS / SCLK */ |
| .lanes = 4, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_3856x2416_regs), |
| .regs = mode_3856x2416_regs, |
| }, |
| .link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX, |
| .exposure_shift = 1, |
| .exposure_margin = OV08X40_EXPOSURE_MAX_MARGIN, |
| }, |
| { |
| .width = 1928, |
| .height = 1208, |
| .vts_def = OV08X40_VTS_BIN_30FPS, |
| .vts_min = OV08X40_VTS_BIN_30FPS, |
| .llp = 0x960, |
| .lanes = 4, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1928x1208_regs), |
| .regs = mode_1928x1208_regs, |
| }, |
| .link_freq_index = OV08X40_LINK_FREQ_400MHZ_INDEX, |
| .exposure_shift = 0, |
| .exposure_margin = OV08X40_EXPOSURE_BIN_MAX_MARGIN, |
| }, |
| }; |
| |
| struct ov08x40 { |
| struct v4l2_subdev sd; |
| struct media_pad pad; |
| |
| struct v4l2_ctrl_handler ctrl_handler; |
| /* V4L2 Controls */ |
| struct v4l2_ctrl *link_freq; |
| struct v4l2_ctrl *pixel_rate; |
| struct v4l2_ctrl *vblank; |
| struct v4l2_ctrl *hblank; |
| struct v4l2_ctrl *exposure; |
| |
| /* Current mode */ |
| const struct ov08x40_mode *cur_mode; |
| |
| /* Mutex for serialized access */ |
| struct mutex mutex; |
| |
| /* True if the device has been identified */ |
| bool identified; |
| }; |
| |
| #define to_ov08x40(_sd) container_of(_sd, struct ov08x40, sd) |
| |
| /* Read registers up to 4 at a time */ |
| static int ov08x40_read_reg(struct ov08x40 *ov08x, |
| u16 reg, u32 len, u32 *val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| struct i2c_msg msgs[2]; |
| u8 *data_be_p; |
| int ret; |
| __be32 data_be = 0; |
| __be16 reg_addr_be = cpu_to_be16(reg); |
| |
| if (len > 4) |
| return -EINVAL; |
| |
| data_be_p = (u8 *)&data_be; |
| /* Write register address */ |
| msgs[0].addr = client->addr; |
| msgs[0].flags = 0; |
| msgs[0].len = 2; |
| msgs[0].buf = (u8 *)®_addr_be; |
| |
| /* Read data from register */ |
| msgs[1].addr = client->addr; |
| msgs[1].flags = I2C_M_RD; |
| msgs[1].len = len; |
| msgs[1].buf = &data_be_p[4 - len]; |
| |
| ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); |
| if (ret != ARRAY_SIZE(msgs)) |
| return -EIO; |
| |
| *val = be32_to_cpu(data_be); |
| |
| return 0; |
| } |
| |
| static int ov08x40_burst_fill_regs(struct ov08x40 *ov08x, u16 first_reg, |
| u16 last_reg, u8 val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| struct i2c_msg msgs; |
| size_t i, num_regs; |
| int ret; |
| |
| num_regs = last_reg - first_reg + 1; |
| msgs.addr = client->addr; |
| msgs.flags = 0; |
| msgs.len = 2 + num_regs; |
| msgs.buf = kmalloc(msgs.len, GFP_KERNEL); |
| |
| if (!msgs.buf) |
| return -ENOMEM; |
| |
| put_unaligned_be16(first_reg, msgs.buf); |
| |
| for (i = 0; i < num_regs; ++i) |
| msgs.buf[2 + i] = val; |
| |
| ret = i2c_transfer(client->adapter, &msgs, 1); |
| |
| kfree(msgs.buf); |
| |
| if (ret != 1) { |
| dev_err(&client->dev, "Failed regs transferred: %d\n", ret); |
| return -EIO; |
| } |
| |
| return 0; |
| } |
| |
| /* Write registers up to 4 at a time */ |
| static int ov08x40_write_reg(struct ov08x40 *ov08x, |
| u16 reg, u32 len, u32 __val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| int buf_i, val_i; |
| u8 buf[6], *val_p; |
| __be32 val; |
| |
| if (len > 4) |
| return -EINVAL; |
| |
| buf[0] = reg >> 8; |
| buf[1] = reg & 0xff; |
| |
| val = cpu_to_be32(__val); |
| val_p = (u8 *)&val; |
| buf_i = 2; |
| val_i = 4 - len; |
| |
| while (val_i < 4) |
| buf[buf_i++] = val_p[val_i++]; |
| |
| if (i2c_master_send(client, buf, len + 2) != len + 2) |
| return -EIO; |
| |
| return 0; |
| } |
| |
| /* Write a list of registers */ |
| static int ov08x40_write_regs(struct ov08x40 *ov08x, |
| const struct ov08x40_reg *regs, u32 len) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| int ret; |
| u32 i; |
| |
| for (i = 0; i < len; i++) { |
| ret = ov08x40_write_reg(ov08x, regs[i].address, 1, |
| regs[i].val); |
| |
| if (ret) { |
| dev_err_ratelimited(&client->dev, |
| "Failed to write reg 0x%4.4x. error = %d\n", |
| regs[i].address, ret); |
| |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int ov08x40_write_reg_list(struct ov08x40 *ov08x, |
| const struct ov08x40_reg_list *r_list) |
| { |
| return ov08x40_write_regs(ov08x, r_list->regs, r_list->num_of_regs); |
| } |
| |
| static int ov08x40_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) |
| { |
| const struct ov08x40_mode *default_mode = &supported_modes[0]; |
| struct ov08x40 *ov08x = to_ov08x40(sd); |
| struct v4l2_mbus_framefmt *try_fmt = |
| v4l2_subdev_state_get_format(fh->state, 0); |
| |
| mutex_lock(&ov08x->mutex); |
| |
| /* Initialize try_fmt */ |
| try_fmt->width = default_mode->width; |
| try_fmt->height = default_mode->height; |
| try_fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| try_fmt->field = V4L2_FIELD_NONE; |
| |
| /* No crop or compose */ |
| mutex_unlock(&ov08x->mutex); |
| |
| return 0; |
| } |
| |
| static int ov08x40_update_digital_gain(struct ov08x40 *ov08x, u32 d_gain) |
| { |
| int ret; |
| u32 val; |
| |
| /* |
| * 0x350C[1:0], 0x350B[7:0], 0x350A[4:0] |
| */ |
| |
| val = (d_gain & OV08X40_DGTL_GAIN_L_MASK) << OV08X40_DGTL_GAIN_L_SHIFT; |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_L, |
| OV08X40_REG_VALUE_08BIT, val); |
| if (ret) |
| return ret; |
| |
| val = (d_gain >> OV08X40_DGTL_GAIN_M_SHIFT) & OV08X40_DGTL_GAIN_M_MASK; |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_M, |
| OV08X40_REG_VALUE_08BIT, val); |
| if (ret) |
| return ret; |
| |
| val = (d_gain >> OV08X40_DGTL_GAIN_H_SHIFT) & OV08X40_DGTL_GAIN_H_MASK; |
| |
| return ov08x40_write_reg(ov08x, OV08X40_REG_DGTL_GAIN_H, |
| OV08X40_REG_VALUE_08BIT, val); |
| } |
| |
| static int ov08x40_enable_test_pattern(struct ov08x40 *ov08x, u32 pattern) |
| { |
| int ret; |
| u32 val; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| if (pattern) { |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_ISP, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_ISP, |
| OV08X40_REG_VALUE_08BIT, |
| val | BIT(1)); |
| if (ret) |
| return ret; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_SHORT_TEST_PATTERN, |
| OV08X40_REG_VALUE_08BIT, |
| val | BIT(0)); |
| if (ret) |
| return ret; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_TEST_PATTERN, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| val &= OV08X40_TEST_PATTERN_MASK; |
| val |= ((pattern - 1) << OV08X40_TEST_PATTERN_BAR_SHIFT) | |
| OV08X40_TEST_PATTERN_ENABLE; |
| } else { |
| val &= ~OV08X40_TEST_PATTERN_ENABLE; |
| } |
| |
| return ov08x40_write_reg(ov08x, OV08X40_REG_TEST_PATTERN, |
| OV08X40_REG_VALUE_08BIT, val); |
| } |
| |
| static int ov08x40_set_ctrl_hflip(struct ov08x40 *ov08x, u32 ctrl_val) |
| { |
| int ret; |
| u32 val; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_MIRROR, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| return ov08x40_write_reg(ov08x, OV08X40_REG_MIRROR, |
| OV08X40_REG_VALUE_08BIT, |
| ctrl_val ? val | BIT(2) : val & ~BIT(2)); |
| } |
| |
| static int ov08x40_set_ctrl_vflip(struct ov08x40 *ov08x, u32 ctrl_val) |
| { |
| int ret; |
| u32 val; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_VFLIP, |
| OV08X40_REG_VALUE_08BIT, &val); |
| if (ret) |
| return ret; |
| |
| return ov08x40_write_reg(ov08x, OV08X40_REG_VFLIP, |
| OV08X40_REG_VALUE_08BIT, |
| ctrl_val ? val | BIT(2) : val & ~BIT(2)); |
| } |
| |
| static int ov08x40_set_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct ov08x40 *ov08x = container_of(ctrl->handler, |
| struct ov08x40, ctrl_handler); |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| s64 max; |
| int exp; |
| int fll; |
| int ret = 0; |
| |
| /* Propagate change of current control to all related controls */ |
| switch (ctrl->id) { |
| case V4L2_CID_VBLANK: |
| /* Update max exposure while meeting expected vblanking */ |
| /* |
| * because in normal mode, 1 HTS = 0.5 tline |
| * fps = sclk / hts / vts |
| * so the vts value needs to be double |
| */ |
| max = ((ov08x->cur_mode->height + ctrl->val) << |
| ov08x->cur_mode->exposure_shift) - |
| ov08x->cur_mode->exposure_margin; |
| |
| __v4l2_ctrl_modify_range(ov08x->exposure, |
| ov08x->exposure->minimum, |
| max, ov08x->exposure->step, max); |
| break; |
| } |
| |
| /* |
| * Applying V4L2 control value only happens |
| * when power is up for streaming |
| */ |
| if (!pm_runtime_get_if_in_use(&client->dev)) |
| return 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_ANALOGUE_GAIN: |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_ANALOG_GAIN, |
| OV08X40_REG_VALUE_16BIT, |
| ctrl->val << 1); |
| break; |
| case V4L2_CID_DIGITAL_GAIN: |
| ret = ov08x40_update_digital_gain(ov08x, ctrl->val); |
| break; |
| case V4L2_CID_EXPOSURE: |
| exp = (ctrl->val << ov08x->cur_mode->exposure_shift) - |
| ov08x->cur_mode->exposure_margin; |
| |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_EXPOSURE, |
| OV08X40_REG_VALUE_24BIT, |
| exp); |
| break; |
| case V4L2_CID_VBLANK: |
| fll = ((ov08x->cur_mode->height + ctrl->val) << |
| ov08x->cur_mode->exposure_shift); |
| |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_VTS, |
| OV08X40_REG_VALUE_16BIT, |
| fll); |
| break; |
| case V4L2_CID_TEST_PATTERN: |
| ret = ov08x40_enable_test_pattern(ov08x, ctrl->val); |
| break; |
| case V4L2_CID_HFLIP: |
| ov08x40_set_ctrl_hflip(ov08x, ctrl->val); |
| break; |
| case V4L2_CID_VFLIP: |
| ov08x40_set_ctrl_vflip(ov08x, ctrl->val); |
| break; |
| default: |
| dev_info(&client->dev, |
| "ctrl(id:0x%x,val:0x%x) is not handled\n", |
| ctrl->id, ctrl->val); |
| break; |
| } |
| |
| pm_runtime_put(&client->dev); |
| |
| return ret; |
| } |
| |
| static const struct v4l2_ctrl_ops ov08x40_ctrl_ops = { |
| .s_ctrl = ov08x40_set_ctrl, |
| }; |
| |
| static int ov08x40_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| /* Only one bayer order(GRBG) is supported */ |
| if (code->index > 0) |
| return -EINVAL; |
| |
| code->code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| |
| return 0; |
| } |
| |
| static int ov08x40_enum_frame_size(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_frame_size_enum *fse) |
| { |
| if (fse->index >= ARRAY_SIZE(supported_modes)) |
| return -EINVAL; |
| |
| if (fse->code != MEDIA_BUS_FMT_SGRBG10_1X10) |
| return -EINVAL; |
| |
| fse->min_width = supported_modes[fse->index].width; |
| fse->max_width = fse->min_width; |
| fse->min_height = supported_modes[fse->index].height; |
| fse->max_height = fse->min_height; |
| |
| return 0; |
| } |
| |
| static void ov08x40_update_pad_format(const struct ov08x40_mode *mode, |
| struct v4l2_subdev_format *fmt) |
| { |
| fmt->format.width = mode->width; |
| fmt->format.height = mode->height; |
| fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| fmt->format.field = V4L2_FIELD_NONE; |
| } |
| |
| static int ov08x40_do_get_pad_format(struct ov08x40 *ov08x, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct v4l2_mbus_framefmt *framefmt; |
| |
| if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
| fmt->format = *framefmt; |
| } else { |
| ov08x40_update_pad_format(ov08x->cur_mode, fmt); |
| } |
| |
| return 0; |
| } |
| |
| static int ov08x40_get_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct ov08x40 *ov08x = to_ov08x40(sd); |
| int ret; |
| |
| mutex_lock(&ov08x->mutex); |
| ret = ov08x40_do_get_pad_format(ov08x, sd_state, fmt); |
| mutex_unlock(&ov08x->mutex); |
| |
| return ret; |
| } |
| |
| static int |
| ov08x40_set_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct ov08x40 *ov08x = to_ov08x40(sd); |
| const struct ov08x40_mode *mode; |
| struct v4l2_mbus_framefmt *framefmt; |
| s32 vblank_def; |
| s32 vblank_min; |
| s64 h_blank; |
| s64 pixel_rate; |
| s64 link_freq; |
| u64 steps; |
| |
| mutex_lock(&ov08x->mutex); |
| |
| /* Only one raw bayer(GRBG) order is supported */ |
| if (fmt->format.code != MEDIA_BUS_FMT_SGRBG10_1X10) |
| fmt->format.code = MEDIA_BUS_FMT_SGRBG10_1X10; |
| |
| mode = v4l2_find_nearest_size(supported_modes, |
| ARRAY_SIZE(supported_modes), |
| width, height, |
| fmt->format.width, fmt->format.height); |
| ov08x40_update_pad_format(mode, fmt); |
| if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
| *framefmt = fmt->format; |
| } else { |
| ov08x->cur_mode = mode; |
| __v4l2_ctrl_s_ctrl(ov08x->link_freq, mode->link_freq_index); |
| link_freq = link_freq_menu_items[mode->link_freq_index]; |
| pixel_rate = link_freq_to_pixel_rate(link_freq); |
| __v4l2_ctrl_s_ctrl_int64(ov08x->pixel_rate, pixel_rate); |
| |
| /* Update limits and set FPS to default */ |
| vblank_def = ov08x->cur_mode->vts_def - |
| ov08x->cur_mode->height; |
| vblank_min = ov08x->cur_mode->vts_min - |
| ov08x->cur_mode->height; |
| |
| /* |
| * The frame length line should be aligned to a multiple of 4, |
| * as provided by the sensor vendor, in normal mode. |
| */ |
| steps = mode->exposure_shift == 1 ? 4 : 1; |
| |
| __v4l2_ctrl_modify_range(ov08x->vblank, vblank_min, |
| OV08X40_VTS_MAX |
| - ov08x->cur_mode->height, |
| steps, |
| vblank_def); |
| __v4l2_ctrl_s_ctrl(ov08x->vblank, vblank_def); |
| |
| h_blank = ov08x->cur_mode->llp - ov08x->cur_mode->width; |
| |
| __v4l2_ctrl_modify_range(ov08x->hblank, h_blank, |
| h_blank, 1, h_blank); |
| } |
| |
| mutex_unlock(&ov08x->mutex); |
| |
| return 0; |
| } |
| |
| static int ov08x40_start_streaming(struct ov08x40 *ov08x) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| const struct ov08x40_reg_list *reg_list; |
| int ret, link_freq_index; |
| |
| /* Get out of from software reset */ |
| ret = ov08x40_write_reg(ov08x, OV08X40_REG_SOFTWARE_RST, |
| OV08X40_REG_VALUE_08BIT, OV08X40_SOFTWARE_RST); |
| if (ret) { |
| dev_err(&client->dev, "%s failed to set powerup registers\n", |
| __func__); |
| return ret; |
| } |
| |
| link_freq_index = ov08x->cur_mode->link_freq_index; |
| reg_list = &link_freq_configs[link_freq_index].reg_list; |
| |
| ret = ov08x40_write_reg_list(ov08x, reg_list); |
| if (ret) { |
| dev_err(&client->dev, "%s failed to set plls\n", __func__); |
| return ret; |
| } |
| |
| /* Apply default values of current mode */ |
| reg_list = &ov08x->cur_mode->reg_list; |
| ret = ov08x40_write_reg_list(ov08x, reg_list); |
| if (ret) { |
| dev_err(&client->dev, "%s failed to set mode\n", __func__); |
| return ret; |
| } |
| |
| /* Use i2c burst to write register on full size registers */ |
| if (ov08x->cur_mode->exposure_shift == 1) { |
| ret = ov08x40_burst_fill_regs(ov08x, OV08X40_REG_XTALK_FIRST_A, |
| OV08X40_REG_XTALK_LAST_A, 0x75); |
| if (ret == 0) |
| ret = ov08x40_burst_fill_regs(ov08x, |
| OV08X40_REG_XTALK_FIRST_B, |
| OV08X40_REG_XTALK_LAST_B, |
| 0x75); |
| } |
| |
| if (ret) { |
| dev_err(&client->dev, "%s failed to set regs\n", __func__); |
| return ret; |
| } |
| |
| /* Apply customized values from user */ |
| ret = __v4l2_ctrl_handler_setup(ov08x->sd.ctrl_handler); |
| if (ret) |
| return ret; |
| |
| return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT, |
| OV08X40_REG_VALUE_08BIT, |
| OV08X40_MODE_STREAMING); |
| } |
| |
| /* Stop streaming */ |
| static int ov08x40_stop_streaming(struct ov08x40 *ov08x) |
| { |
| return ov08x40_write_reg(ov08x, OV08X40_REG_MODE_SELECT, |
| OV08X40_REG_VALUE_08BIT, OV08X40_MODE_STANDBY); |
| } |
| |
| static int ov08x40_set_stream(struct v4l2_subdev *sd, int enable) |
| { |
| struct ov08x40 *ov08x = to_ov08x40(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret = 0; |
| |
| mutex_lock(&ov08x->mutex); |
| |
| if (enable) { |
| ret = pm_runtime_resume_and_get(&client->dev); |
| if (ret < 0) |
| goto err_unlock; |
| |
| /* |
| * Apply default & customized values |
| * and then start streaming. |
| */ |
| ret = ov08x40_start_streaming(ov08x); |
| if (ret) |
| goto err_rpm_put; |
| } else { |
| ov08x40_stop_streaming(ov08x); |
| pm_runtime_put(&client->dev); |
| } |
| |
| mutex_unlock(&ov08x->mutex); |
| |
| return ret; |
| |
| err_rpm_put: |
| pm_runtime_put(&client->dev); |
| err_unlock: |
| mutex_unlock(&ov08x->mutex); |
| |
| return ret; |
| } |
| |
| /* Verify chip ID */ |
| static int ov08x40_identify_module(struct ov08x40 *ov08x) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| int ret; |
| u32 val; |
| |
| if (ov08x->identified) |
| return 0; |
| |
| ret = ov08x40_read_reg(ov08x, OV08X40_REG_CHIP_ID, |
| OV08X40_REG_VALUE_24BIT, &val); |
| if (ret) |
| return ret; |
| |
| if (val != OV08X40_CHIP_ID) { |
| dev_err(&client->dev, "chip id mismatch: %x!=%x\n", |
| OV08X40_CHIP_ID, val); |
| return -ENXIO; |
| } |
| |
| ov08x->identified = true; |
| |
| return 0; |
| } |
| |
| static const struct v4l2_subdev_video_ops ov08x40_video_ops = { |
| .s_stream = ov08x40_set_stream, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops ov08x40_pad_ops = { |
| .enum_mbus_code = ov08x40_enum_mbus_code, |
| .get_fmt = ov08x40_get_pad_format, |
| .set_fmt = ov08x40_set_pad_format, |
| .enum_frame_size = ov08x40_enum_frame_size, |
| }; |
| |
| static const struct v4l2_subdev_ops ov08x40_subdev_ops = { |
| .video = &ov08x40_video_ops, |
| .pad = &ov08x40_pad_ops, |
| }; |
| |
| static const struct media_entity_operations ov08x40_subdev_entity_ops = { |
| .link_validate = v4l2_subdev_link_validate, |
| }; |
| |
| static const struct v4l2_subdev_internal_ops ov08x40_internal_ops = { |
| .open = ov08x40_open, |
| }; |
| |
| static int ov08x40_init_controls(struct ov08x40 *ov08x) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&ov08x->sd); |
| struct v4l2_fwnode_device_properties props; |
| struct v4l2_ctrl_handler *ctrl_hdlr; |
| s64 exposure_max; |
| s64 vblank_def; |
| s64 vblank_min; |
| s64 hblank; |
| s64 pixel_rate_min; |
| s64 pixel_rate_max; |
| const struct ov08x40_mode *mode; |
| u32 max; |
| int ret; |
| |
| ctrl_hdlr = &ov08x->ctrl_handler; |
| ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); |
| if (ret) |
| return ret; |
| |
| mutex_init(&ov08x->mutex); |
| ctrl_hdlr->lock = &ov08x->mutex; |
| max = ARRAY_SIZE(link_freq_menu_items) - 1; |
| ov08x->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, |
| &ov08x40_ctrl_ops, |
| V4L2_CID_LINK_FREQ, |
| max, |
| 0, |
| link_freq_menu_items); |
| if (ov08x->link_freq) |
| ov08x->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| pixel_rate_max = link_freq_to_pixel_rate(link_freq_menu_items[0]); |
| pixel_rate_min = 0; |
| /* By default, PIXEL_RATE is read only */ |
| ov08x->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_PIXEL_RATE, |
| pixel_rate_min, pixel_rate_max, |
| 1, pixel_rate_max); |
| |
| mode = ov08x->cur_mode; |
| vblank_def = mode->vts_def - mode->height; |
| vblank_min = mode->vts_min - mode->height; |
| ov08x->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_VBLANK, |
| vblank_min, |
| OV08X40_VTS_MAX - mode->height, 1, |
| vblank_def); |
| |
| hblank = ov08x->cur_mode->llp - ov08x->cur_mode->width; |
| |
| ov08x->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_HBLANK, |
| hblank, hblank, 1, hblank); |
| if (ov08x->hblank) |
| ov08x->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| exposure_max = mode->vts_def - OV08X40_EXPOSURE_MAX_MARGIN; |
| ov08x->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_EXPOSURE, |
| OV08X40_EXPOSURE_MIN, |
| exposure_max, OV08X40_EXPOSURE_STEP, |
| exposure_max); |
| |
| v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, |
| OV08X40_ANA_GAIN_MIN, OV08X40_ANA_GAIN_MAX, |
| OV08X40_ANA_GAIN_STEP, OV08X40_ANA_GAIN_DEFAULT); |
| |
| /* Digital gain */ |
| v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, V4L2_CID_DIGITAL_GAIN, |
| OV08X40_DGTL_GAIN_MIN, OV08X40_DGTL_GAIN_MAX, |
| OV08X40_DGTL_GAIN_STEP, OV08X40_DGTL_GAIN_DEFAULT); |
| |
| v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_TEST_PATTERN, |
| ARRAY_SIZE(ov08x40_test_pattern_menu) - 1, |
| 0, 0, ov08x40_test_pattern_menu); |
| |
| v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_HFLIP, 0, 1, 1, 0); |
| v4l2_ctrl_new_std(ctrl_hdlr, &ov08x40_ctrl_ops, |
| V4L2_CID_VFLIP, 0, 1, 1, 0); |
| |
| if (ctrl_hdlr->error) { |
| ret = ctrl_hdlr->error; |
| dev_err(&client->dev, "%s control init failed (%d)\n", |
| __func__, ret); |
| goto error; |
| } |
| |
| ret = v4l2_fwnode_device_parse(&client->dev, &props); |
| if (ret) |
| goto error; |
| |
| ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &ov08x40_ctrl_ops, |
| &props); |
| if (ret) |
| goto error; |
| |
| ov08x->sd.ctrl_handler = ctrl_hdlr; |
| |
| return 0; |
| |
| error: |
| v4l2_ctrl_handler_free(ctrl_hdlr); |
| mutex_destroy(&ov08x->mutex); |
| |
| return ret; |
| } |
| |
| static void ov08x40_free_controls(struct ov08x40 *ov08x) |
| { |
| v4l2_ctrl_handler_free(ov08x->sd.ctrl_handler); |
| mutex_destroy(&ov08x->mutex); |
| } |
| |
| static int ov08x40_check_hwcfg(struct device *dev) |
| { |
| struct v4l2_fwnode_endpoint bus_cfg = { |
| .bus_type = V4L2_MBUS_CSI2_DPHY |
| }; |
| struct fwnode_handle *ep; |
| struct fwnode_handle *fwnode = dev_fwnode(dev); |
| unsigned int i, j; |
| int ret; |
| u32 ext_clk; |
| |
| if (!fwnode) |
| return -ENXIO; |
| |
| ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency", |
| &ext_clk); |
| if (ret) { |
| dev_err(dev, "can't get clock frequency"); |
| return ret; |
| } |
| |
| if (ext_clk != OV08X40_EXT_CLK) { |
| dev_err(dev, "external clock %d is not supported", |
| ext_clk); |
| return -EINVAL; |
| } |
| |
| ep = fwnode_graph_get_next_endpoint(fwnode, NULL); |
| if (!ep) |
| return -ENXIO; |
| |
| ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); |
| fwnode_handle_put(ep); |
| if (ret) |
| return ret; |
| |
| if (bus_cfg.bus.mipi_csi2.num_data_lanes != OV08X40_DATA_LANES) { |
| dev_err(dev, "number of CSI2 data lanes %d is not supported", |
| bus_cfg.bus.mipi_csi2.num_data_lanes); |
| ret = -EINVAL; |
| goto out_err; |
| } |
| |
| if (!bus_cfg.nr_of_link_frequencies) { |
| dev_err(dev, "no link frequencies defined"); |
| ret = -EINVAL; |
| goto out_err; |
| } |
| |
| for (i = 0; i < ARRAY_SIZE(link_freq_menu_items); i++) { |
| for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) { |
| if (link_freq_menu_items[i] == |
| bus_cfg.link_frequencies[j]) |
| break; |
| } |
| |
| if (j == bus_cfg.nr_of_link_frequencies) { |
| dev_err(dev, "no link frequency %lld supported", |
| link_freq_menu_items[i]); |
| ret = -EINVAL; |
| goto out_err; |
| } |
| } |
| |
| out_err: |
| v4l2_fwnode_endpoint_free(&bus_cfg); |
| |
| return ret; |
| } |
| |
| static int ov08x40_probe(struct i2c_client *client) |
| { |
| struct ov08x40 *ov08x; |
| int ret; |
| bool full_power; |
| |
| /* Check HW config */ |
| ret = ov08x40_check_hwcfg(&client->dev); |
| if (ret) { |
| dev_err(&client->dev, "failed to check hwcfg: %d", ret); |
| return ret; |
| } |
| |
| ov08x = devm_kzalloc(&client->dev, sizeof(*ov08x), GFP_KERNEL); |
| if (!ov08x) |
| return -ENOMEM; |
| |
| /* Initialize subdev */ |
| v4l2_i2c_subdev_init(&ov08x->sd, client, &ov08x40_subdev_ops); |
| |
| full_power = acpi_dev_state_d0(&client->dev); |
| if (full_power) { |
| /* Check module identity */ |
| ret = ov08x40_identify_module(ov08x); |
| if (ret) { |
| dev_err(&client->dev, "failed to find sensor: %d\n", ret); |
| return ret; |
| } |
| } |
| |
| /* Set default mode to max resolution */ |
| ov08x->cur_mode = &supported_modes[0]; |
| |
| ret = ov08x40_init_controls(ov08x); |
| if (ret) |
| return ret; |
| |
| /* Initialize subdev */ |
| ov08x->sd.internal_ops = &ov08x40_internal_ops; |
| ov08x->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| ov08x->sd.entity.ops = &ov08x40_subdev_entity_ops; |
| ov08x->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| |
| /* Initialize source pad */ |
| ov08x->pad.flags = MEDIA_PAD_FL_SOURCE; |
| ret = media_entity_pads_init(&ov08x->sd.entity, 1, &ov08x->pad); |
| if (ret) { |
| dev_err(&client->dev, "%s failed:%d\n", __func__, ret); |
| goto error_handler_free; |
| } |
| |
| ret = v4l2_async_register_subdev_sensor(&ov08x->sd); |
| if (ret < 0) |
| goto error_media_entity; |
| |
| if (full_power) |
| pm_runtime_set_active(&client->dev); |
| pm_runtime_enable(&client->dev); |
| pm_runtime_idle(&client->dev); |
| |
| return 0; |
| |
| error_media_entity: |
| media_entity_cleanup(&ov08x->sd.entity); |
| |
| error_handler_free: |
| ov08x40_free_controls(ov08x); |
| |
| return ret; |
| } |
| |
| static void ov08x40_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct ov08x40 *ov08x = to_ov08x40(sd); |
| |
| v4l2_async_unregister_subdev(sd); |
| media_entity_cleanup(&sd->entity); |
| ov08x40_free_controls(ov08x); |
| |
| pm_runtime_disable(&client->dev); |
| pm_runtime_set_suspended(&client->dev); |
| } |
| |
| #ifdef CONFIG_ACPI |
| static const struct acpi_device_id ov08x40_acpi_ids[] = { |
| {"OVTI08F4"}, |
| { /* sentinel */ } |
| }; |
| |
| MODULE_DEVICE_TABLE(acpi, ov08x40_acpi_ids); |
| #endif |
| |
| static struct i2c_driver ov08x40_i2c_driver = { |
| .driver = { |
| .name = "ov08x40", |
| .acpi_match_table = ACPI_PTR(ov08x40_acpi_ids), |
| }, |
| .probe = ov08x40_probe, |
| .remove = ov08x40_remove, |
| .flags = I2C_DRV_ACPI_WAIVE_D0_PROBE, |
| }; |
| |
| module_i2c_driver(ov08x40_i2c_driver); |
| |
| MODULE_AUTHOR("Jason Chen <jason.z.chen@intel.com>"); |
| MODULE_AUTHOR("Qingwu Zhang <qingwu.zhang@intel.com>"); |
| MODULE_AUTHOR("Shawn Tu"); |
| MODULE_DESCRIPTION("OmniVision OV08X40 sensor driver"); |
| MODULE_LICENSE("GPL"); |
