// SPDX-License-Identifier: GPL-2.0 /* * A V4L2 driver for Sony IMX519 cameras. * Copyright (C) 2021 Arducam Technology co., Ltd. * * Based on Sony IMX477 camera driver * Copyright (C) 2020 Raspberry Pi (Trading) Ltd */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define IMX519_REG_VALUE_08BIT 1 #define IMX519_REG_VALUE_16BIT 2 /* Chip ID */ #define IMX519_REG_CHIP_ID 0x0016 #define IMX519_CHIP_ID 0x0519 #define IMX519_REG_MODE_SELECT 0x0100 #define IMX519_MODE_STANDBY 0x00 #define IMX519_MODE_STREAMING 0x01 #define IMX519_REG_ORIENTATION 0x101 #define IMX519_XCLK_FREQ 24000000 #define IMX519_DEFAULT_LINK_FREQ 408000000 /* Pixel rate is fixed at 426MHz for all the modes */ #define IMX519_PIXEL_RATE 426666667 /* V_TIMING internal */ #define IMX519_REG_FRAME_LENGTH 0x0340 #define IMX519_FRAME_LENGTH_MAX 0xffdc /* Long exposure multiplier */ #define IMX519_LONG_EXP_SHIFT_MAX 7 #define IMX519_LONG_EXP_SHIFT_REG 0x3100 /* Exposure control */ #define IMX519_REG_EXPOSURE 0x0202 #define IMX519_EXPOSURE_OFFSET 32 #define IMX519_EXPOSURE_MIN 20 #define IMX519_EXPOSURE_STEP 1 #define IMX519_EXPOSURE_DEFAULT 0x3e8 #define IMX519_EXPOSURE_MAX (IMX519_FRAME_LENGTH_MAX - \ IMX519_EXPOSURE_OFFSET) /* Analog gain control */ #define IMX519_REG_ANALOG_GAIN 0x0204 #define IMX519_ANA_GAIN_MIN 0 #define IMX519_ANA_GAIN_MAX 960 #define IMX519_ANA_GAIN_STEP 1 #define IMX519_ANA_GAIN_DEFAULT 0x0 /* Digital gain control */ #define IMX519_REG_DIGITAL_GAIN 0x020e #define IMX519_DGTL_GAIN_MIN 0x0100 #define IMX519_DGTL_GAIN_MAX 0xffff #define IMX519_DGTL_GAIN_DEFAULT 0x0100 #define IMX519_DGTL_GAIN_STEP 1 /* Test Pattern Control */ #define IMX519_REG_TEST_PATTERN 0x0600 #define IMX519_TEST_PATTERN_DISABLE 0 #define IMX519_TEST_PATTERN_SOLID_COLOR 1 #define IMX519_TEST_PATTERN_COLOR_BARS 2 #define IMX519_TEST_PATTERN_GREY_COLOR 3 #define IMX519_TEST_PATTERN_PN9 4 /* Test pattern colour components */ #define IMX519_REG_TEST_PATTERN_R 0x0602 #define IMX519_REG_TEST_PATTERN_GR 0x0604 #define IMX519_REG_TEST_PATTERN_B 0x0606 #define IMX519_REG_TEST_PATTERN_GB 0x0608 #define IMX519_TEST_PATTERN_COLOUR_MIN 0 #define IMX519_TEST_PATTERN_COLOUR_MAX 0x0fff #define IMX519_TEST_PATTERN_COLOUR_STEP 1 #define IMX519_TEST_PATTERN_R_DEFAULT IMX519_TEST_PATTERN_COLOUR_MAX #define IMX519_TEST_PATTERN_GR_DEFAULT 0 #define IMX519_TEST_PATTERN_B_DEFAULT 0 #define IMX519_TEST_PATTERN_GB_DEFAULT 0 /* Embedded metadata stream structure */ #define IMX519_EMBEDDED_LINE_WIDTH (5820 * 3) #define IMX519_NUM_EMBEDDED_LINES 1 enum pad_types { IMAGE_PAD, METADATA_PAD, NUM_PADS }; /* IMX519 native and active pixel array size. */ #define IMX519_NATIVE_WIDTH 4672U #define IMX519_NATIVE_HEIGHT 3648U #define IMX519_PIXEL_ARRAY_LEFT 8U #define IMX519_PIXEL_ARRAY_TOP 48U #define IMX519_PIXEL_ARRAY_WIDTH 4656U #define IMX519_PIXEL_ARRAY_HEIGHT 3496U struct imx519_reg { u16 address; u8 val; }; struct imx519_reg_list { unsigned int num_of_regs; const struct imx519_reg *regs; }; /* Mode : resolution and related config&values */ struct imx519_mode { /* Frame width */ unsigned int width; /* Frame height */ unsigned int height; /* H-timing in pixels */ unsigned int line_length_pix; /* Analog crop rectangle. */ struct v4l2_rect crop; /* Highest possible framerate. */ struct v4l2_fract timeperframe_min; /* Default framerate. */ struct v4l2_fract timeperframe_default; /* Default register values */ struct imx519_reg_list reg_list; }; static const s64 imx519_link_freq_menu[] = { IMX519_DEFAULT_LINK_FREQ, }; static const struct imx519_reg mode_common_regs[] = { {0x0100, 0x00}, {0x0136, 0x18}, {0x0137, 0x00}, {0x3c7e, 0x01}, {0x3c7f, 0x07}, {0x3020, 0x00}, {0x3e35, 0x01}, {0x3f7f, 0x01}, {0x5609, 0x57}, {0x5613, 0x51}, {0x561f, 0x5e}, {0x5623, 0xd2}, {0x5637, 0x11}, {0x5657, 0x11}, {0x5659, 0x12}, {0x5733, 0x60}, {0x5905, 0x57}, {0x590f, 0x51}, {0x591b, 0x5e}, {0x591f, 0xd2}, {0x5933, 0x11}, {0x5953, 0x11}, {0x5955, 0x12}, {0x5a2f, 0x60}, {0x5a85, 0x57}, {0x5a8f, 0x51}, {0x5a9b, 0x5e}, {0x5a9f, 0xd2}, {0x5ab3, 0x11}, {0x5ad3, 0x11}, {0x5ad5, 0x12}, {0x5baf, 0x60}, {0x5c15, 0x2a}, {0x5c17, 0x80}, {0x5c19, 0x31}, {0x5c1b, 0x87}, {0x5c25, 0x25}, {0x5c27, 0x7b}, {0x5c29, 0x2a}, {0x5c2b, 0x80}, {0x5c2d, 0x31}, {0x5c2f, 0x87}, {0x5c35, 0x2b}, {0x5c37, 0x81}, {0x5c39, 0x31}, {0x5c3b, 0x87}, {0x5c45, 0x25}, {0x5c47, 0x7b}, {0x5c49, 0x2a}, {0x5c4b, 0x80}, {0x5c4d, 0x31}, {0x5c4f, 0x87}, {0x5c55, 0x2d}, {0x5c57, 0x83}, {0x5c59, 0x32}, {0x5c5b, 0x88}, {0x5c65, 0x29}, {0x5c67, 0x7f}, {0x5c69, 0x2e}, {0x5c6b, 0x84}, {0x5c6d, 0x32}, {0x5c6f, 0x88}, {0x5e69, 0x04}, {0x5e9d, 0x00}, {0x5f18, 0x10}, {0x5f1a, 0x0e}, {0x5f20, 0x12}, {0x5f22, 0x10}, {0x5f24, 0x0e}, {0x5f28, 0x10}, {0x5f2a, 0x0e}, {0x5f30, 0x12}, {0x5f32, 0x10}, {0x5f34, 0x0e}, {0x5f38, 0x0f}, {0x5f39, 0x0d}, {0x5f3c, 0x11}, {0x5f3d, 0x0f}, {0x5f3e, 0x0d}, {0x5f61, 0x07}, {0x5f64, 0x05}, {0x5f67, 0x03}, {0x5f6a, 0x03}, {0x5f6d, 0x07}, {0x5f70, 0x07}, {0x5f73, 0x05}, {0x5f76, 0x02}, {0x5f79, 0x07}, {0x5f7c, 0x07}, {0x5f7f, 0x07}, {0x5f82, 0x07}, {0x5f85, 0x03}, {0x5f88, 0x02}, {0x5f8b, 0x01}, {0x5f8e, 0x01}, {0x5f91, 0x04}, {0x5f94, 0x05}, {0x5f97, 0x02}, {0x5f9d, 0x07}, {0x5fa0, 0x07}, {0x5fa3, 0x07}, {0x5fa6, 0x07}, {0x5fa9, 0x03}, {0x5fac, 0x01}, {0x5faf, 0x01}, {0x5fb5, 0x03}, {0x5fb8, 0x02}, {0x5fbb, 0x01}, {0x5fc1, 0x07}, {0x5fc4, 0x07}, {0x5fc7, 0x07}, {0x5fd1, 0x00}, {0x6302, 0x79}, {0x6305, 0x78}, {0x6306, 0xa5}, {0x6308, 0x03}, {0x6309, 0x20}, {0x630b, 0x0a}, {0x630d, 0x48}, {0x630f, 0x06}, {0x6311, 0xa4}, {0x6313, 0x03}, {0x6314, 0x20}, {0x6316, 0x0a}, {0x6317, 0x31}, {0x6318, 0x4a}, {0x631a, 0x06}, {0x631b, 0x40}, {0x631c, 0xa4}, {0x631e, 0x03}, {0x631f, 0x20}, {0x6321, 0x0a}, {0x6323, 0x4a}, {0x6328, 0x80}, {0x6329, 0x01}, {0x632a, 0x30}, {0x632b, 0x02}, {0x632c, 0x20}, {0x632d, 0x02}, {0x632e, 0x30}, {0x6330, 0x60}, {0x6332, 0x90}, {0x6333, 0x01}, {0x6334, 0x30}, {0x6335, 0x02}, {0x6336, 0x20}, {0x6338, 0x80}, {0x633a, 0xa0}, {0x633b, 0x01}, {0x633c, 0x60}, {0x633d, 0x02}, {0x633e, 0x60}, {0x633f, 0x01}, {0x6340, 0x30}, {0x6341, 0x02}, {0x6342, 0x20}, {0x6343, 0x03}, {0x6344, 0x80}, {0x6345, 0x03}, {0x6346, 0x90}, {0x6348, 0xf0}, {0x6349, 0x01}, {0x634a, 0x20}, {0x634b, 0x02}, {0x634c, 0x10}, {0x634d, 0x03}, {0x634e, 0x60}, {0x6350, 0xa0}, {0x6351, 0x01}, {0x6352, 0x60}, {0x6353, 0x02}, {0x6354, 0x50}, {0x6355, 0x02}, {0x6356, 0x60}, {0x6357, 0x01}, {0x6358, 0x30}, {0x6359, 0x02}, {0x635a, 0x30}, {0x635b, 0x03}, {0x635c, 0x90}, {0x635f, 0x01}, {0x6360, 0x10}, {0x6361, 0x01}, {0x6362, 0x40}, {0x6363, 0x02}, {0x6364, 0x50}, {0x6368, 0x70}, {0x636a, 0xa0}, {0x636b, 0x01}, {0x636c, 0x50}, {0x637d, 0xe4}, {0x637e, 0xb4}, {0x638c, 0x8e}, {0x638d, 0x38}, {0x638e, 0xe3}, {0x638f, 0x4c}, {0x6390, 0x30}, {0x6391, 0xc3}, {0x6392, 0xae}, {0x6393, 0xba}, {0x6394, 0xeb}, {0x6395, 0x6e}, {0x6396, 0x34}, {0x6397, 0xe3}, {0x6398, 0xcf}, {0x6399, 0x3c}, {0x639a, 0xf3}, {0x639b, 0x0c}, {0x639c, 0x30}, {0x639d, 0xc1}, {0x63b9, 0xa3}, {0x63ba, 0xfe}, {0x7600, 0x01}, {0x79a0, 0x01}, {0x79a1, 0x01}, {0x79a2, 0x01}, {0x79a3, 0x01}, {0x79a4, 0x01}, {0x79a5, 0x20}, {0x79a9, 0x00}, {0x79aa, 0x01}, {0x79ad, 0x00}, {0x79af, 0x00}, {0x8173, 0x01}, {0x835c, 0x01}, {0x8a74, 0x01}, {0x8c1f, 0x00}, {0x8c27, 0x00}, {0x8c3b, 0x03}, {0x9004, 0x0b}, {0x920c, 0x6a}, {0x920d, 0x22}, {0x920e, 0x6a}, {0x920f, 0x23}, {0x9214, 0x6a}, {0x9215, 0x20}, {0x9216, 0x6a}, {0x9217, 0x21}, {0x9385, 0x3e}, {0x9387, 0x1b}, {0x938d, 0x4d}, {0x938f, 0x43}, {0x9391, 0x1b}, {0x9395, 0x4d}, {0x9397, 0x43}, {0x9399, 0x1b}, {0x939d, 0x3e}, {0x939f, 0x2f}, {0x93a5, 0x43}, {0x93a7, 0x2f}, {0x93a9, 0x2f}, {0x93ad, 0x34}, {0x93af, 0x2f}, {0x93b5, 0x3e}, {0x93b7, 0x2f}, {0x93bd, 0x4d}, {0x93bf, 0x43}, {0x93c1, 0x2f}, {0x93c5, 0x4d}, {0x93c7, 0x43}, {0x93c9, 0x2f}, {0x974b, 0x02}, {0x995c, 0x8c}, {0x995d, 0x00}, {0x995e, 0x00}, {0x9963, 0x64}, {0x9964, 0x50}, {0xaa0a, 0x26}, {0xae03, 0x04}, {0xae04, 0x03}, {0xae05, 0x03}, {0xbc1c, 0x08}, {0xbcf1, 0x02}, {0x38a3, 0x00}, }; /* 16 mpix 10fps */ static const struct imx519_reg mode_4656x3496_regs[] = { {0x0111, 0x02}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0342, 0x31}, {0x0343, 0x6a}, {0x0340, 0x0d}, {0x0341, 0xf4}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x12}, {0x0349, 0x2f}, {0x034a, 0x0d}, {0x034b, 0xa7}, {0x0220, 0x00}, {0x0221, 0x11}, {0x0222, 0x01}, {0x0900, 0x00}, {0x0901, 0x11}, {0x0902, 0x0a}, {0x3f4c, 0x01}, {0x3f4d, 0x01}, {0x4254, 0x7f}, {0x0401, 0x00}, {0x0404, 0x00}, {0x0405, 0x10}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x12}, {0x040d, 0x30}, {0x040e, 0x0d}, {0x040f, 0xa8}, {0x034c, 0x12}, {0x034d, 0x30}, {0x034e, 0x0d}, {0x034f, 0xa8}, {0x0301, 0x06}, {0x0303, 0x04}, {0x0305, 0x06}, {0x0306, 0x01}, {0x0307, 0x40}, {0x0309, 0x0a}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x10}, {0x0310, 0x01}, {0x0820, 0x0a}, {0x0821, 0x20}, {0x0822, 0x00}, {0x0823, 0x00}, {0x3e20, 0x01}, {0x3e37, 0x01}, {0x3e3b, 0x00}, {0x38a4, 0x00}, {0x38a5, 0x00}, {0x38a6, 0x00}, {0x38a7, 0x00}, {0x38a8, 0x01}, {0x38a9, 0x23}, {0x38aa, 0x01}, {0x38ab, 0x23}, {0x0106, 0x00}, {0x0b00, 0x00}, {0x3230, 0x00}, {0x3f14, 0x01}, {0x3f3c, 0x01}, {0x3f0d, 0x0a}, {0x3fbc, 0x00}, {0x3c06, 0x00}, {0x3c07, 0x48}, {0x3c0a, 0x00}, {0x3c0b, 0x00}, {0x3f78, 0x00}, {0x3f79, 0x40}, {0x3f7c, 0x00}, {0x3f7d, 0x00}, }; /* 4k 21fps mode */ static const struct imx519_reg mode_3840x2160_regs[] = { {0x0111, 0x02}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0342, 0x28}, {0x0343, 0xf6}, {0x0340, 0x08}, {0x0341, 0xd4}, {0x0344, 0x01}, {0x0345, 0x98}, {0x0346, 0x02}, {0x0347, 0xa0}, {0x0348, 0x10}, {0x0349, 0x97}, {0x034a, 0x0b}, {0x034b, 0x17}, {0x0220, 0x00}, {0x0221, 0x11}, {0x0222, 0x01}, {0x0900, 0x00}, {0x0901, 0x11}, {0x0902, 0x0a}, {0x3f4c, 0x01}, {0x3f4d, 0x01}, {0x4254, 0x7f}, {0x0401, 0x00}, {0x0404, 0x00}, {0x0405, 0x10}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x0f}, {0x040d, 0x00}, {0x040e, 0x08}, {0x040f, 0x70}, {0x034c, 0x0f}, {0x034d, 0x00}, {0x034e, 0x08}, {0x034f, 0x70}, {0x0301, 0x06}, {0x0303, 0x04}, {0x0305, 0x06}, {0x0306, 0x01}, {0x0307, 0x40}, {0x0309, 0x0a}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x10}, {0x0310, 0x01}, {0x0820, 0x0a}, {0x0821, 0x20}, {0x0822, 0x00}, {0x0823, 0x00}, {0x3e20, 0x01}, {0x3e37, 0x01}, {0x3e3b, 0x00}, {0x38a4, 0x00}, {0x38a5, 0x00}, {0x38a6, 0x00}, {0x38a7, 0x00}, {0x38a8, 0x00}, {0x38a9, 0xf0}, {0x38aa, 0x00}, {0x38ab, 0xb4}, {0x0106, 0x00}, {0x0b00, 0x00}, {0x3230, 0x00}, {0x3f14, 0x01}, {0x3f3c, 0x01}, {0x3f0d, 0x0a}, {0x3fbc, 0x00}, {0x3c06, 0x00}, {0x3c07, 0x48}, {0x3c0a, 0x00}, {0x3c0b, 0x00}, {0x3f78, 0x00}, {0x3f79, 0x40}, {0x3f7c, 0x00}, {0x3f7d, 0x00}, }; /* 2x2 binned 30fps mode */ static const struct imx519_reg mode_2328x1748_regs[] = { {0x0111, 0x02}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0342, 0x19}, {0x0343, 0x70}, {0x0340, 0x08}, {0x0341, 0x88}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x12}, {0x0349, 0x2f}, {0x034a, 0x0d}, {0x034b, 0xa7}, {0x0220, 0x00}, {0x0221, 0x11}, {0x0222, 0x01}, {0x0900, 0x01}, {0x0901, 0x22}, {0x0902, 0x0a}, {0x3f4c, 0x05}, {0x3f4d, 0x03}, {0x4254, 0x7f}, {0x0401, 0x00}, {0x0404, 0x00}, {0x0405, 0x10}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x09}, {0x040d, 0x18}, {0x040e, 0x06}, {0x040f, 0xd4}, {0x034c, 0x09}, {0x034d, 0x18}, {0x034e, 0x06}, {0x034f, 0xd4}, {0x0301, 0x06}, {0x0303, 0x04}, {0x0305, 0x06}, {0x0306, 0x01}, {0x0307, 0x40}, {0x0309, 0x0a}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x10}, {0x0310, 0x01}, {0x0820, 0x0a}, {0x0821, 0x20}, {0x0822, 0x00}, {0x0823, 0x00}, {0x3e20, 0x01}, {0x3e37, 0x01}, {0x3e3b, 0x00}, {0x38a4, 0x00}, {0x38a5, 0x00}, {0x38a6, 0x00}, {0x38a7, 0x00}, {0x38a8, 0x00}, {0x38a9, 0x91}, {0x38aa, 0x00}, {0x38ab, 0x91}, {0x0106, 0x00}, {0x0b00, 0x00}, {0x3230, 0x00}, {0x3f14, 0x01}, {0x3f3c, 0x01}, {0x3f0d, 0x0a}, {0x3fbc, 0x00}, {0x3c06, 0x00}, {0x3c07, 0x48}, {0x3c0a, 0x00}, {0x3c0b, 0x00}, {0x3f78, 0x00}, {0x3f79, 0x40}, {0x3f7c, 0x00}, {0x3f7d, 0x00}, }; /* 1080p 60fps mode */ static const struct imx519_reg mode_1920x1080_regs[] = { {0x0111, 0x02}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0342, 0x17}, {0x0343, 0x8b}, {0x0340, 0x04}, {0x0341, 0x9c}, {0x0344, 0x01}, {0x0345, 0x98}, {0x0346, 0x02}, {0x0347, 0xa2}, {0x0348, 0x10}, {0x0349, 0x97}, {0x034a, 0x0b}, {0x034b, 0x15}, {0x0220, 0x00}, {0x0221, 0x11}, {0x0222, 0x01}, {0x0900, 0x01}, {0x0901, 0x22}, {0x0902, 0x0a}, {0x3f4c, 0x05}, {0x3f4d, 0x03}, {0x4254, 0x7f}, {0x0401, 0x00}, {0x0404, 0x00}, {0x0405, 0x10}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x07}, {0x040d, 0x80}, {0x040e, 0x04}, {0x040f, 0x38}, {0x034c, 0x07}, {0x034d, 0x80}, {0x034e, 0x04}, {0x034f, 0x38}, {0x0301, 0x06}, {0x0303, 0x04}, {0x0305, 0x06}, {0x0306, 0x01}, {0x0307, 0x40}, {0x0309, 0x0a}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x10}, {0x0310, 0x01}, {0x0820, 0x0a}, {0x0821, 0x20}, {0x0822, 0x00}, {0x0823, 0x00}, {0x3e20, 0x01}, {0x3e37, 0x01}, {0x3e3b, 0x00}, {0x38a4, 0x00}, {0x38a5, 0x00}, {0x38a6, 0x00}, {0x38a7, 0x00}, {0x38a8, 0x00}, {0x38a9, 0x78}, {0x38aa, 0x00}, {0x38ab, 0x5a}, {0x0106, 0x00}, {0x0b00, 0x00}, {0x3230, 0x00}, {0x3f14, 0x01}, {0x3f3c, 0x01}, {0x3f0d, 0x0a}, {0x3fbc, 0x00}, {0x3c06, 0x00}, {0x3c07, 0x48}, {0x3c0a, 0x00}, {0x3c0b, 0x00}, {0x3f78, 0x00}, {0x3f79, 0x40}, {0x3f7c, 0x00}, {0x3f7d, 0x00}, }; /* 720p 120fps mode */ static const struct imx519_reg mode_1280x720_regs[] = { {0x0111, 0x02}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0342, 0x18}, {0x0343, 0x00}, {0x0340, 0x03}, {0x0341, 0x34}, {0x0344, 0x04}, {0x0345, 0x18}, {0x0346, 0x04}, {0x0347, 0x12}, {0x0348, 0x0e}, {0x0349, 0x17}, {0x034a, 0x09}, {0x034b, 0xb6}, {0x0220, 0x00}, {0x0221, 0x11}, {0x0222, 0x01}, {0x0900, 0x01}, {0x0901, 0x22}, {0x0902, 0x0a}, {0x3f4c, 0x05}, {0x3f4d, 0x03}, {0x4254, 0x7f}, {0x0401, 0x00}, {0x0404, 0x00}, {0x0405, 0x10}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x05}, {0x040d, 0x00}, {0x040e, 0x02}, {0x040f, 0xd0}, {0x034c, 0x05}, {0x034d, 0x00}, {0x034e, 0x02}, {0x034f, 0xd0}, {0x0301, 0x06}, {0x0303, 0x04}, {0x0305, 0x06}, {0x0306, 0x01}, {0x0307, 0x40}, {0x0309, 0x0a}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x10}, {0x0310, 0x01}, {0x0820, 0x0a}, {0x0821, 0x20}, {0x0822, 0x00}, {0x0823, 0x00}, {0x3e20, 0x01}, {0x3e37, 0x01}, {0x3e3b, 0x00}, {0x38a4, 0x00}, {0x38a5, 0x00}, {0x38a6, 0x00}, {0x38a7, 0x00}, {0x38a8, 0x00}, {0x38a9, 0x50}, {0x38aa, 0x00}, {0x38ab, 0x3c}, {0x0106, 0x00}, {0x0b00, 0x00}, {0x3230, 0x00}, {0x3f14, 0x01}, {0x3f3c, 0x01}, {0x3f0d, 0x0a}, {0x3fbc, 0x00}, {0x3c06, 0x00}, {0x3c07, 0x48}, {0x3c0a, 0x00}, {0x3c0b, 0x00}, {0x3f78, 0x00}, {0x3f79, 0x40}, {0x3f7c, 0x00}, {0x3f7d, 0x00}, }; /* Mode configs */ static const struct imx519_mode supported_modes_10bit[] = { { .width = 4656, .height = 3496, .line_length_pix = 0x316a, .crop = { .left = IMX519_PIXEL_ARRAY_LEFT, .top = IMX519_PIXEL_ARRAY_TOP, .width = 4656, .height = 3496, }, .timeperframe_min = { .numerator = 100, .denominator = 900 }, .timeperframe_default = { .numerator = 100, .denominator = 900 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_4656x3496_regs), .regs = mode_4656x3496_regs, } }, { .width = 3840, .height = 2160, .line_length_pix = 0x28f6, .crop = { .left = IMX519_PIXEL_ARRAY_LEFT + 408, .top = IMX519_PIXEL_ARRAY_TOP + 672, .width = 3840, .height = 2160, }, .timeperframe_min = { .numerator = 100, .denominator = 1800 }, .timeperframe_default = { .numerator = 100, .denominator = 1800 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs), .regs = mode_3840x2160_regs, } }, { .width = 2328, .height = 1748, .line_length_pix = 0x1970, .crop = { .left = IMX519_PIXEL_ARRAY_LEFT, .top = IMX519_PIXEL_ARRAY_TOP, .width = 4656, .height = 3496, }, .timeperframe_min = { .numerator = 100, .denominator = 3000 }, .timeperframe_default = { .numerator = 100, .denominator = 3000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_2328x1748_regs), .regs = mode_2328x1748_regs, } }, { .width = 1920, .height = 1080, .line_length_pix = 0x178b, .crop = { .left = IMX519_PIXEL_ARRAY_LEFT + 408, .top = IMX519_PIXEL_ARRAY_TOP + 674, .width = 3840, .height = 2160, }, .timeperframe_min = { .numerator = 100, .denominator = 6000 }, .timeperframe_default = { .numerator = 100, .denominator = 6000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs), .regs = mode_1920x1080_regs, } }, { .width = 1280, .height = 720, .line_length_pix = 0x1800, .crop = { .left = IMX519_PIXEL_ARRAY_LEFT + 1048, .top = IMX519_PIXEL_ARRAY_TOP + 1042, .width = 2560, .height = 1440, }, .timeperframe_min = { .numerator = 100, .denominator = 8000 }, .timeperframe_default = { .numerator = 100, .denominator = 8000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), .regs = mode_1280x720_regs, } } }; /* * The supported formats. * This table MUST contain 4 entries per format, to cover the various flip * combinations in the order * - no flip * - h flip * - v flip * - h&v flips */ static const u32 codes[] = { /* 10-bit modes. */ MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SBGGR10_1X10, }; static const char * const imx519_test_pattern_menu[] = { "Disabled", "Color Bars", "Solid Color", "Grey Color Bars", "PN9" }; static const int imx519_test_pattern_val[] = { IMX519_TEST_PATTERN_DISABLE, IMX519_TEST_PATTERN_COLOR_BARS, IMX519_TEST_PATTERN_SOLID_COLOR, IMX519_TEST_PATTERN_GREY_COLOR, IMX519_TEST_PATTERN_PN9, }; /* regulator supplies */ static const char * const imx519_supply_name[] = { /* Supplies can be enabled in any order */ "VANA", /* Analog (2.8V) supply */ "VDIG", /* Digital Core (1.05V) supply */ "VDDL", /* IF (1.8V) supply */ }; #define IMX519_NUM_SUPPLIES ARRAY_SIZE(imx519_supply_name) /* * Initialisation delay between XCLR low->high and the moment when the sensor * can start capture (i.e. can leave software standby), given by T7 in the * datasheet is 8ms. This does include I2C setup time as well. * * Note, that delay between XCLR low->high and reading the CCI ID register (T6 * in the datasheet) is much smaller - 600us. */ #define IMX519_XCLR_MIN_DELAY_US 8000 #define IMX519_XCLR_DELAY_RANGE_US 1000 struct imx519 { struct v4l2_subdev sd; struct media_pad pad[NUM_PADS]; unsigned int fmt_code; struct clk *xclk; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[IMX519_NUM_SUPPLIES]; struct v4l2_ctrl_handler ctrl_handler; /* V4L2 Controls */ struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl *exposure; struct v4l2_ctrl *vflip; struct v4l2_ctrl *hflip; struct v4l2_ctrl *vblank; struct v4l2_ctrl *hblank; /* Current mode */ const struct imx519_mode *mode; /* * Mutex for serialized access: * Protect sensor module set pad format and start/stop streaming safely. */ struct mutex mutex; /* Streaming on/off */ bool streaming; /* Rewrite common registers on stream on? */ bool common_regs_written; /* Current long exposure factor in use. Set through V4L2_CID_VBLANK */ unsigned int long_exp_shift; }; static inline struct imx519 *to_imx519(struct v4l2_subdev *_sd) { return container_of(_sd, struct imx519, sd); } /* Read registers up to 2 at a time */ static int imx519_read_reg(struct imx519 *imx519, u16 reg, u32 len, u32 *val) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); struct i2c_msg msgs[2]; u8 addr_buf[2] = { reg >> 8, reg & 0xff }; u8 data_buf[4] = { 0, }; int ret; if (len > 4) return -EINVAL; /* Write register address */ msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len = ARRAY_SIZE(addr_buf); msgs[0].buf = addr_buf; /* Read data from register */ msgs[1].addr = client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len = len; msgs[1].buf = &data_buf[4 - len]; ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); if (ret != ARRAY_SIZE(msgs)) return -EIO; *val = get_unaligned_be32(data_buf); return 0; } /* Write registers up to 2 at a time */ static int imx519_write_reg(struct imx519 *imx519, u16 reg, u32 len, u32 val) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); u8 buf[6]; if (len > 4) return -EINVAL; put_unaligned_be16(reg, buf); put_unaligned_be32(val << (8 * (4 - len)), buf + 2); if (i2c_master_send(client, buf, len + 2) != len + 2) return -EIO; return 0; } /* Write a list of registers */ static int imx519_write_regs(struct imx519 *imx519, const struct imx519_reg *regs, u32 len) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); unsigned int i; int ret; for (i = 0; i < len; i++) { ret = imx519_write_reg(imx519, 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; } /* Get bayer order based on flip setting. */ static u32 imx519_get_format_code(struct imx519 *imx519) { unsigned int i; lockdep_assert_held(&imx519->mutex); i = (imx519->vflip->val ? 2 : 0) | (imx519->hflip->val ? 1 : 0); return codes[i]; } static int imx519_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct imx519 *imx519 = to_imx519(sd); struct v4l2_mbus_framefmt *try_fmt_img = v4l2_subdev_state_get_format(fh->state, IMAGE_PAD); struct v4l2_mbus_framefmt *try_fmt_meta = v4l2_subdev_state_get_format(fh->state, METADATA_PAD); struct v4l2_rect *try_crop; mutex_lock(&imx519->mutex); /* Initialize try_fmt for the image pad */ try_fmt_img->width = supported_modes_10bit[0].width; try_fmt_img->height = supported_modes_10bit[0].height; try_fmt_img->code = imx519_get_format_code(imx519); try_fmt_img->field = V4L2_FIELD_NONE; /* Initialize try_fmt for the embedded metadata pad */ try_fmt_meta->width = IMX519_EMBEDDED_LINE_WIDTH; try_fmt_meta->height = IMX519_NUM_EMBEDDED_LINES; try_fmt_meta->code = MEDIA_BUS_FMT_SENSOR_DATA; try_fmt_meta->field = V4L2_FIELD_NONE; /* Initialize try_crop */ try_crop = v4l2_subdev_state_get_crop(fh->state, IMAGE_PAD); try_crop->left = IMX519_PIXEL_ARRAY_LEFT; try_crop->top = IMX519_PIXEL_ARRAY_TOP; try_crop->width = IMX519_PIXEL_ARRAY_WIDTH; try_crop->height = IMX519_PIXEL_ARRAY_HEIGHT; mutex_unlock(&imx519->mutex); return 0; } static void imx519_adjust_exposure_range(struct imx519 *imx519) { int exposure_max, exposure_def; /* Honour the VBLANK limits when setting exposure. */ exposure_max = imx519->mode->height + imx519->vblank->val - IMX519_EXPOSURE_OFFSET; exposure_def = min(exposure_max, imx519->exposure->val); __v4l2_ctrl_modify_range(imx519->exposure, imx519->exposure->minimum, exposure_max, imx519->exposure->step, exposure_def); } static int imx519_set_frame_length(struct imx519 *imx519, unsigned int val) { int ret = 0; imx519->long_exp_shift = 0; while (val > IMX519_FRAME_LENGTH_MAX) { imx519->long_exp_shift++; val >>= 1; } ret = imx519_write_reg(imx519, IMX519_REG_FRAME_LENGTH, IMX519_REG_VALUE_16BIT, val); if (ret) return ret; return imx519_write_reg(imx519, IMX519_LONG_EXP_SHIFT_REG, IMX519_REG_VALUE_08BIT, imx519->long_exp_shift); } static int imx519_set_ctrl(struct v4l2_ctrl *ctrl) { struct imx519 *imx519 = container_of(ctrl->handler, struct imx519, ctrl_handler); struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); int ret = 0; /* * The VBLANK control may change the limits of usable exposure, so check * and adjust if necessary. */ if (ctrl->id == V4L2_CID_VBLANK) imx519_adjust_exposure_range(imx519); /* * Applying V4L2 control value only happens * when power is up for streaming */ if (pm_runtime_get_if_in_use(&client->dev) == 0) return 0; switch (ctrl->id) { case V4L2_CID_ANALOGUE_GAIN: ret = imx519_write_reg(imx519, IMX519_REG_ANALOG_GAIN, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_EXPOSURE: ret = imx519_write_reg(imx519, IMX519_REG_EXPOSURE, IMX519_REG_VALUE_16BIT, ctrl->val >> imx519->long_exp_shift); break; case V4L2_CID_DIGITAL_GAIN: ret = imx519_write_reg(imx519, IMX519_REG_DIGITAL_GAIN, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN: ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN, IMX519_REG_VALUE_16BIT, imx519_test_pattern_val[ctrl->val]); break; case V4L2_CID_TEST_PATTERN_RED: ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_R, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_GREENR: ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_GR, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_BLUE: ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_B, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_GREENB: ret = imx519_write_reg(imx519, IMX519_REG_TEST_PATTERN_GB, IMX519_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_HFLIP: case V4L2_CID_VFLIP: ret = imx519_write_reg(imx519, IMX519_REG_ORIENTATION, 1, imx519->hflip->val | imx519->vflip->val << 1); break; case V4L2_CID_VBLANK: ret = imx519_set_frame_length(imx519, imx519->mode->height + ctrl->val); break; default: dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled\n", ctrl->id, ctrl->val); ret = -EINVAL; break; } pm_runtime_put(&client->dev); return ret; } static const struct v4l2_ctrl_ops imx519_ctrl_ops = { .s_ctrl = imx519_set_ctrl, }; static int imx519_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { struct imx519 *imx519 = to_imx519(sd); if (code->pad >= NUM_PADS) return -EINVAL; if (code->pad == IMAGE_PAD) { if (code->index > 0) return -EINVAL; code->code = imx519_get_format_code(imx519); } else { if (code->index > 0) return -EINVAL; code->code = MEDIA_BUS_FMT_SENSOR_DATA; } return 0; } static int imx519_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { struct imx519 *imx519 = to_imx519(sd); if (fse->pad >= NUM_PADS) return -EINVAL; if (fse->pad == IMAGE_PAD) { if (fse->index >= ARRAY_SIZE(supported_modes_10bit)) return -EINVAL; if (fse->code != imx519_get_format_code(imx519)) return -EINVAL; fse->min_width = supported_modes_10bit[fse->index].width; fse->max_width = fse->min_width; fse->min_height = supported_modes_10bit[fse->index].height; fse->max_height = fse->min_height; } else { if (fse->code != MEDIA_BUS_FMT_SENSOR_DATA || fse->index > 0) return -EINVAL; fse->min_width = IMX519_EMBEDDED_LINE_WIDTH; fse->max_width = fse->min_width; fse->min_height = IMX519_NUM_EMBEDDED_LINES; fse->max_height = fse->min_height; } return 0; } static void imx519_reset_colorspace(struct v4l2_mbus_framefmt *fmt) { fmt->colorspace = V4L2_COLORSPACE_RAW; fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); fmt->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true, fmt->colorspace, fmt->ycbcr_enc); fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); } static void imx519_update_image_pad_format(struct imx519 *imx519, const struct imx519_mode *mode, struct v4l2_subdev_format *fmt) { fmt->format.width = mode->width; fmt->format.height = mode->height; fmt->format.field = V4L2_FIELD_NONE; imx519_reset_colorspace(&fmt->format); } static void imx519_update_metadata_pad_format(struct v4l2_subdev_format *fmt) { fmt->format.width = IMX519_EMBEDDED_LINE_WIDTH; fmt->format.height = IMX519_NUM_EMBEDDED_LINES; fmt->format.code = MEDIA_BUS_FMT_SENSOR_DATA; fmt->format.field = V4L2_FIELD_NONE; } static int imx519_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct imx519 *imx519 = to_imx519(sd); if (fmt->pad >= NUM_PADS) return -EINVAL; mutex_lock(&imx519->mutex); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); /* update the code which could change due to vflip or hflip: */ try_fmt->code = fmt->pad == IMAGE_PAD ? imx519_get_format_code(imx519) : MEDIA_BUS_FMT_SENSOR_DATA; fmt->format = *try_fmt; } else { if (fmt->pad == IMAGE_PAD) { imx519_update_image_pad_format(imx519, imx519->mode, fmt); fmt->format.code = imx519_get_format_code(imx519); } else { imx519_update_metadata_pad_format(fmt); } } mutex_unlock(&imx519->mutex); return 0; } static unsigned int imx519_get_frame_length(const struct imx519_mode *mode, const struct v4l2_fract *timeperframe) { u64 frame_length; frame_length = (u64)timeperframe->numerator * IMX519_PIXEL_RATE; do_div(frame_length, (u64)timeperframe->denominator * mode->line_length_pix); if (WARN_ON(frame_length > IMX519_FRAME_LENGTH_MAX)) frame_length = IMX519_FRAME_LENGTH_MAX; return max_t(unsigned int, frame_length, mode->height); } static void imx519_set_framing_limits(struct imx519 *imx519) { unsigned int frm_length_min, frm_length_default, hblank; const struct imx519_mode *mode = imx519->mode; frm_length_min = imx519_get_frame_length(mode, &mode->timeperframe_min); frm_length_default = imx519_get_frame_length(mode, &mode->timeperframe_default); /* Default to no long exposure multiplier. */ imx519->long_exp_shift = 0; /* Update limits and set FPS to default */ __v4l2_ctrl_modify_range(imx519->vblank, frm_length_min - mode->height, ((1 << IMX519_LONG_EXP_SHIFT_MAX) * IMX519_FRAME_LENGTH_MAX) - mode->height, 1, frm_length_default - mode->height); /* Setting this will adjust the exposure limits as well. */ __v4l2_ctrl_s_ctrl(imx519->vblank, frm_length_default - mode->height); /* * Currently PPL is fixed to the mode specified value, so hblank * depends on mode->width only, and is not changeable in any * way other than changing the mode. */ hblank = mode->line_length_pix - mode->width; __v4l2_ctrl_modify_range(imx519->hblank, hblank, hblank, 1, hblank); } static int imx519_set_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct v4l2_mbus_framefmt *framefmt; const struct imx519_mode *mode; struct imx519 *imx519 = to_imx519(sd); if (fmt->pad >= NUM_PADS) return -EINVAL; mutex_lock(&imx519->mutex); if (fmt->pad == IMAGE_PAD) { /* Bayer order varies with flips */ fmt->format.code = imx519_get_format_code(imx519); mode = v4l2_find_nearest_size(supported_modes_10bit, ARRAY_SIZE(supported_modes_10bit), width, height, fmt->format.width, fmt->format.height); imx519_update_image_pad_format(imx519, mode, fmt); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); *framefmt = fmt->format; } else { imx519->mode = mode; imx519->fmt_code = fmt->format.code; imx519_set_framing_limits(imx519); } } else { if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); *framefmt = fmt->format; } else { /* Only one embedded data mode is supported */ imx519_update_metadata_pad_format(fmt); } } mutex_unlock(&imx519->mutex); return 0; } static const struct v4l2_rect * __imx519_get_pad_crop(struct imx519 *imx519, struct v4l2_subdev_state *sd_state, unsigned int pad, enum v4l2_subdev_format_whence which) { switch (which) { case V4L2_SUBDEV_FORMAT_TRY: return v4l2_subdev_state_get_crop(sd_state, pad); case V4L2_SUBDEV_FORMAT_ACTIVE: return &imx519->mode->crop; } return NULL; } static int imx519_get_selection(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_selection *sel) { switch (sel->target) { case V4L2_SEL_TGT_CROP: { struct imx519 *imx519 = to_imx519(sd); mutex_lock(&imx519->mutex); sel->r = *__imx519_get_pad_crop(imx519, sd_state, sel->pad, sel->which); mutex_unlock(&imx519->mutex); return 0; } case V4L2_SEL_TGT_NATIVE_SIZE: sel->r.left = 0; sel->r.top = 0; sel->r.width = IMX519_NATIVE_WIDTH; sel->r.height = IMX519_NATIVE_HEIGHT; return 0; case V4L2_SEL_TGT_CROP_DEFAULT: case V4L2_SEL_TGT_CROP_BOUNDS: sel->r.left = IMX519_PIXEL_ARRAY_LEFT; sel->r.top = IMX519_PIXEL_ARRAY_TOP; sel->r.width = IMX519_PIXEL_ARRAY_WIDTH; sel->r.height = IMX519_PIXEL_ARRAY_HEIGHT; return 0; } return -EINVAL; } /* Start streaming */ static int imx519_start_streaming(struct imx519 *imx519) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); const struct imx519_reg_list *reg_list; int ret; if (!imx519->common_regs_written) { ret = imx519_write_regs(imx519, mode_common_regs, ARRAY_SIZE(mode_common_regs)); if (ret) { dev_err(&client->dev, "%s failed to set common settings\n", __func__); return ret; } imx519->common_regs_written = true; } /* Apply default values of current mode */ reg_list = &imx519->mode->reg_list; ret = imx519_write_regs(imx519, reg_list->regs, reg_list->num_of_regs); if (ret) { dev_err(&client->dev, "%s failed to set mode\n", __func__); return ret; } /* Apply customized values from user */ ret = __v4l2_ctrl_handler_setup(imx519->sd.ctrl_handler); if (ret) return ret; /* set stream on register */ return imx519_write_reg(imx519, IMX519_REG_MODE_SELECT, IMX519_REG_VALUE_08BIT, IMX519_MODE_STREAMING); } /* Stop streaming */ static void imx519_stop_streaming(struct imx519 *imx519) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); int ret; /* set stream off register */ ret = imx519_write_reg(imx519, IMX519_REG_MODE_SELECT, IMX519_REG_VALUE_08BIT, IMX519_MODE_STANDBY); if (ret) dev_err(&client->dev, "%s failed to set stream\n", __func__); } static int imx519_set_stream(struct v4l2_subdev *sd, int enable) { struct imx519 *imx519 = to_imx519(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; mutex_lock(&imx519->mutex); if (imx519->streaming == enable) { mutex_unlock(&imx519->mutex); return 0; } if (enable) { ret = pm_runtime_get_sync(&client->dev); if (ret < 0) { pm_runtime_put_noidle(&client->dev); goto err_unlock; } /* * Apply default & customized values * and then start streaming. */ ret = imx519_start_streaming(imx519); if (ret) goto err_rpm_put; } else { imx519_stop_streaming(imx519); pm_runtime_put(&client->dev); } imx519->streaming = enable; /* vflip and hflip cannot change during streaming */ __v4l2_ctrl_grab(imx519->vflip, enable); __v4l2_ctrl_grab(imx519->hflip, enable); mutex_unlock(&imx519->mutex); return ret; err_rpm_put: pm_runtime_put(&client->dev); err_unlock: mutex_unlock(&imx519->mutex); return ret; } /* Power/clock management functions */ static int imx519_power_on(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx519 *imx519 = to_imx519(sd); int ret; ret = regulator_bulk_enable(IMX519_NUM_SUPPLIES, imx519->supplies); if (ret) { dev_err(&client->dev, "%s: failed to enable regulators\n", __func__); return ret; } ret = clk_prepare_enable(imx519->xclk); if (ret) { dev_err(&client->dev, "%s: failed to enable clock\n", __func__); goto reg_off; } gpiod_set_value_cansleep(imx519->reset_gpio, 1); usleep_range(IMX519_XCLR_MIN_DELAY_US, IMX519_XCLR_MIN_DELAY_US + IMX519_XCLR_DELAY_RANGE_US); return 0; reg_off: regulator_bulk_disable(IMX519_NUM_SUPPLIES, imx519->supplies); return ret; } static int imx519_power_off(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx519 *imx519 = to_imx519(sd); gpiod_set_value_cansleep(imx519->reset_gpio, 0); regulator_bulk_disable(IMX519_NUM_SUPPLIES, imx519->supplies); clk_disable_unprepare(imx519->xclk); /* Force reprogramming of the common registers when powered up again. */ imx519->common_regs_written = false; return 0; } static int __maybe_unused imx519_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx519 *imx519 = to_imx519(sd); if (imx519->streaming) imx519_stop_streaming(imx519); return 0; } static int __maybe_unused imx519_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx519 *imx519 = to_imx519(sd); int ret; if (imx519->streaming) { ret = imx519_start_streaming(imx519); if (ret) goto error; } return 0; error: imx519_stop_streaming(imx519); imx519->streaming = 0; return ret; } static int imx519_get_regulators(struct imx519 *imx519) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); unsigned int i; for (i = 0; i < IMX519_NUM_SUPPLIES; i++) imx519->supplies[i].supply = imx519_supply_name[i]; return devm_regulator_bulk_get(&client->dev, IMX519_NUM_SUPPLIES, imx519->supplies); } /* Verify chip ID */ static int imx519_identify_module(struct imx519 *imx519, u32 expected_id) { struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); int ret; u32 val; ret = imx519_read_reg(imx519, IMX519_REG_CHIP_ID, IMX519_REG_VALUE_16BIT, &val); if (ret) { dev_err(&client->dev, "failed to read chip id %x, with error %d\n", expected_id, ret); return ret; } if (val != expected_id) { dev_err(&client->dev, "chip id mismatch: %x!=%x\n", expected_id, val); return -EIO; } dev_info(&client->dev, "Device found is imx%x\n", val); return 0; } static const struct v4l2_subdev_core_ops imx519_core_ops = { .subscribe_event = v4l2_ctrl_subdev_subscribe_event, .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops imx519_video_ops = { .s_stream = imx519_set_stream, }; static const struct v4l2_subdev_pad_ops imx519_pad_ops = { .enum_mbus_code = imx519_enum_mbus_code, .get_fmt = imx519_get_pad_format, .set_fmt = imx519_set_pad_format, .get_selection = imx519_get_selection, .enum_frame_size = imx519_enum_frame_size, }; static const struct v4l2_subdev_ops imx519_subdev_ops = { .core = &imx519_core_ops, .video = &imx519_video_ops, .pad = &imx519_pad_ops, }; static const struct v4l2_subdev_internal_ops imx519_internal_ops = { .open = imx519_open, }; /* Initialize control handlers */ static int imx519_init_controls(struct imx519 *imx519) { struct v4l2_ctrl_handler *ctrl_hdlr; struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd); struct v4l2_fwnode_device_properties props; struct v4l2_ctrl *link_freq; unsigned int i; int ret; ctrl_hdlr = &imx519->ctrl_handler; ret = v4l2_ctrl_handler_init(ctrl_hdlr, 16); if (ret) return ret; mutex_init(&imx519->mutex); ctrl_hdlr->lock = &imx519->mutex; /* By default, PIXEL_RATE is read only */ imx519->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_PIXEL_RATE, IMX519_PIXEL_RATE, IMX519_PIXEL_RATE, 1, IMX519_PIXEL_RATE); /* LINK_FREQ is also read only */ link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_LINK_FREQ, ARRAY_SIZE(imx519_link_freq_menu) - 1, 0, imx519_link_freq_menu); if (link_freq) link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* * Create the controls here, but mode specific limits are setup * in the imx519_set_framing_limits() call below. */ imx519->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_VBLANK, 0, 0xffff, 1, 0); imx519->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_HBLANK, 0, 0xffff, 1, 0); /* HBLANK is read-only for now, but does change with mode. */ if (imx519->hblank) imx519->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; imx519->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_EXPOSURE, IMX519_EXPOSURE_MIN, IMX519_EXPOSURE_MAX, IMX519_EXPOSURE_STEP, IMX519_EXPOSURE_DEFAULT); v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, IMX519_ANA_GAIN_MIN, IMX519_ANA_GAIN_MAX, IMX519_ANA_GAIN_STEP, IMX519_ANA_GAIN_DEFAULT); v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_DIGITAL_GAIN, IMX519_DGTL_GAIN_MIN, IMX519_DGTL_GAIN_MAX, IMX519_DGTL_GAIN_STEP, IMX519_DGTL_GAIN_DEFAULT); imx519->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); if (imx519->hflip) imx519->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; imx519->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); if (imx519->vflip) imx519->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_TEST_PATTERN, ARRAY_SIZE(imx519_test_pattern_menu) - 1, 0, 0, imx519_test_pattern_menu); for (i = 0; i < 4; i++) { /* * The assumption is that * V4L2_CID_TEST_PATTERN_GREENR == V4L2_CID_TEST_PATTERN_RED + 1 * V4L2_CID_TEST_PATTERN_BLUE == V4L2_CID_TEST_PATTERN_RED + 2 * V4L2_CID_TEST_PATTERN_GREENB == V4L2_CID_TEST_PATTERN_RED + 3 */ v4l2_ctrl_new_std(ctrl_hdlr, &imx519_ctrl_ops, V4L2_CID_TEST_PATTERN_RED + i, IMX519_TEST_PATTERN_COLOUR_MIN, IMX519_TEST_PATTERN_COLOUR_MAX, IMX519_TEST_PATTERN_COLOUR_STEP, IMX519_TEST_PATTERN_COLOUR_MAX); /* The "Solid color" pattern is white by default */ } 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, &imx519_ctrl_ops, &props); if (ret) goto error; imx519->sd.ctrl_handler = ctrl_hdlr; /* Setup exposure and frame/line length limits. */ imx519_set_framing_limits(imx519); return 0; error: v4l2_ctrl_handler_free(ctrl_hdlr); mutex_destroy(&imx519->mutex); return ret; } static void imx519_free_controls(struct imx519 *imx519) { v4l2_ctrl_handler_free(imx519->sd.ctrl_handler); mutex_destroy(&imx519->mutex); } static int imx519_check_hwcfg(struct device *dev) { struct fwnode_handle *endpoint; struct v4l2_fwnode_endpoint ep_cfg = { .bus_type = V4L2_MBUS_CSI2_DPHY }; int ret = -EINVAL; endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL); if (!endpoint) { dev_err(dev, "endpoint node not found\n"); return -EINVAL; } if (v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep_cfg)) { dev_err(dev, "could not parse endpoint\n"); goto error_out; } /* Check the number of MIPI CSI2 data lanes */ if (ep_cfg.bus.mipi_csi2.num_data_lanes != 2) { dev_err(dev, "only 2 data lanes are currently supported\n"); goto error_out; } /* Check the link frequency set in device tree */ if (!ep_cfg.nr_of_link_frequencies) { dev_err(dev, "link-frequency property not found in DT\n"); goto error_out; } if (ep_cfg.nr_of_link_frequencies != 1 || ep_cfg.link_frequencies[0] != IMX519_DEFAULT_LINK_FREQ) { dev_err(dev, "Link frequency not supported: %lld\n", ep_cfg.link_frequencies[0]); goto error_out; } ret = 0; error_out: v4l2_fwnode_endpoint_free(&ep_cfg); fwnode_handle_put(endpoint); return ret; } static const struct of_device_id imx519_dt_ids[] = { { .compatible = "sony,imx519"}, { /* sentinel */ } }; static int imx519_probe(struct i2c_client *client) { struct device *dev = &client->dev; struct imx519 *imx519; const struct of_device_id *match; u32 xclk_freq; int ret; imx519 = devm_kzalloc(&client->dev, sizeof(*imx519), GFP_KERNEL); if (!imx519) return -ENOMEM; v4l2_i2c_subdev_init(&imx519->sd, client, &imx519_subdev_ops); match = of_match_device(imx519_dt_ids, dev); if (!match) return -ENODEV; /* Check the hardware configuration in device tree */ if (imx519_check_hwcfg(dev)) return -EINVAL; /* Get system clock (xclk) */ imx519->xclk = devm_clk_get(dev, NULL); if (IS_ERR(imx519->xclk)) { dev_err(dev, "failed to get xclk\n"); return PTR_ERR(imx519->xclk); } xclk_freq = clk_get_rate(imx519->xclk); if (xclk_freq != IMX519_XCLK_FREQ) { dev_err(dev, "xclk frequency not supported: %d Hz\n", xclk_freq); return -EINVAL; } ret = imx519_get_regulators(imx519); if (ret) { dev_err(dev, "failed to get regulators\n"); return ret; } /* Request optional enable pin */ imx519->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); /* * The sensor must be powered for imx519_identify_module() * to be able to read the CHIP_ID register */ ret = imx519_power_on(dev); if (ret) return ret; ret = imx519_identify_module(imx519, IMX519_CHIP_ID); if (ret) goto error_power_off; /* Set default mode to max resolution */ imx519->mode = &supported_modes_10bit[0]; imx519->fmt_code = MEDIA_BUS_FMT_SRGGB10_1X10; /* Enable runtime PM and turn off the device */ pm_runtime_set_active(dev); pm_runtime_enable(dev); pm_runtime_idle(dev); /* This needs the pm runtime to be registered. */ ret = imx519_init_controls(imx519); if (ret) goto error_power_off; /* Initialize subdev */ imx519->sd.internal_ops = &imx519_internal_ops; imx519->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; imx519->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; /* Initialize source pads */ imx519->pad[IMAGE_PAD].flags = MEDIA_PAD_FL_SOURCE; imx519->pad[METADATA_PAD].flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_pads_init(&imx519->sd.entity, NUM_PADS, imx519->pad); if (ret) { dev_err(dev, "failed to init entity pads: %d\n", ret); goto error_handler_free; } ret = v4l2_async_register_subdev_sensor(&imx519->sd); if (ret < 0) { dev_err(dev, "failed to register sensor sub-device: %d\n", ret); goto error_media_entity; } return 0; error_media_entity: media_entity_cleanup(&imx519->sd.entity); error_handler_free: imx519_free_controls(imx519); error_power_off: pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); imx519_power_off(&client->dev); return ret; } static void imx519_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct imx519 *imx519 = to_imx519(sd); v4l2_async_unregister_subdev(sd); media_entity_cleanup(&sd->entity); imx519_free_controls(imx519); pm_runtime_disable(&client->dev); if (!pm_runtime_status_suspended(&client->dev)) imx519_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); } MODULE_DEVICE_TABLE(of, imx519_dt_ids); static const struct dev_pm_ops imx519_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(imx519_suspend, imx519_resume) SET_RUNTIME_PM_OPS(imx519_power_off, imx519_power_on, NULL) }; static struct i2c_driver imx519_i2c_driver = { .driver = { .name = "imx519", .of_match_table = imx519_dt_ids, .pm = &imx519_pm_ops, }, .probe = imx519_probe, .remove = imx519_remove, }; module_i2c_driver(imx519_i2c_driver); MODULE_AUTHOR("Lee Jackson "); MODULE_DESCRIPTION("Sony IMX519 sensor driver"); MODULE_LICENSE("GPL v2");