// SPDX-License-Identifier: GPL-2.0 /* * A V4L2 driver for Arducam 64MP 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 ARDUCAM_64MP_REG_VALUE_08BIT 1 #define ARDUCAM_64MP_REG_VALUE_16BIT 2 /* Chip ID */ #define ARDUCAM_64MP_REG_CHIP_ID 0x005E #define ARDUCAM_64MP_CHIP_ID 0x4136 #define ARDUCAM_64MP_REG_MODE_SELECT 0x0100 #define ARDUCAM_64MP_MODE_STANDBY 0x00 #define ARDUCAM_64MP_MODE_STREAMING 0x01 #define ARDUCAM_64MP_REG_ORIENTATION 0x101 #define ARDUCAM_64MP_XCLK_FREQ 24000000 #define ARDUCAM_64MP_DEFAULT_LINK_FREQ 456000000 /* Pixel rate is fixed at 900MHz for all the modes */ #define ARDUCAM_64MP_PIXEL_RATE 900000000 /* V_TIMING internal */ #define ARDUCAM_64MP_REG_FRAME_LENGTH 0x0340 #define ARDUCAM_64MP_FRAME_LENGTH_MAX 0xffff /* Long exposure multiplier */ #define ARDUCAM_64MP_LONG_EXP_SHIFT_MAX 7 #define ARDUCAM_64MP_LONG_EXP_SHIFT_REG 0x3100 /* Exposure control */ #define ARDUCAM_64MP_REG_EXPOSURE 0x0202 #define ARDUCAM_64MP_EXPOSURE_OFFSET 48 #define ARDUCAM_64MP_EXPOSURE_MIN 9 #define ARDUCAM_64MP_EXPOSURE_STEP 1 #define ARDUCAM_64MP_EXPOSURE_DEFAULT 0x3e8 #define ARDUCAM_64MP_EXPOSURE_MAX (ARDUCAM_64MP_FRAME_LENGTH_MAX - \ ARDUCAM_64MP_EXPOSURE_OFFSET) /* Analog gain control */ #define ARDUCAM_64MP_REG_ANALOG_GAIN 0x0204 #define ARDUCAM_64MP_ANA_GAIN_MIN 0 #define ARDUCAM_64MP_ANA_GAIN_MAX 1008 #define ARDUCAM_64MP_ANA_GAIN_STEP 1 #define ARDUCAM_64MP_ANA_GAIN_DEFAULT 0x0 /* Digital gain control */ #define ARDUCAM_64MP_REG_DIGITAL_GAIN 0x020e #define ARDUCAM_64MP_DGTL_GAIN_MIN 0x0100 #define ARDUCAM_64MP_DGTL_GAIN_MAX 0x0fff #define ARDUCAM_64MP_DGTL_GAIN_DEFAULT 0x0100 #define ARDUCAM_64MP_DGTL_GAIN_STEP 1 /* Test Pattern Control */ #define ARDUCAM_64MP_REG_TEST_PATTERN 0x0600 #define ARDUCAM_64MP_TEST_PATTERN_DISABLE 0 #define ARDUCAM_64MP_TEST_PATTERN_SOLID_COLOR 1 #define ARDUCAM_64MP_TEST_PATTERN_COLOR_BARS 2 #define ARDUCAM_64MP_TEST_PATTERN_GREY_COLOR 3 #define ARDUCAM_64MP_TEST_PATTERN_PN9 4 /* Test pattern colour components */ #define ARDUCAM_64MP_REG_TEST_PATTERN_R 0x0602 #define ARDUCAM_64MP_REG_TEST_PATTERN_GR 0x0604 #define ARDUCAM_64MP_REG_TEST_PATTERN_B 0x0606 #define ARDUCAM_64MP_REG_TEST_PATTERN_GB 0x0608 #define ARDUCAM_64MP_TEST_PATTERN_COLOUR_MIN 0 #define ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX 0x0fff #define ARDUCAM_64MP_TEST_PATTERN_COLOUR_STEP 1 #define ARDUCAM_64MP_TEST_PATTERN_R_DEFAULT \ ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX #define ARDUCAM_64MP_TEST_PATTERN_GR_DEFAULT 0 #define ARDUCAM_64MP_TEST_PATTERN_B_DEFAULT 0 #define ARDUCAM_64MP_TEST_PATTERN_GB_DEFAULT 0 /* Embedded metadata stream structure */ #define ARDUCAM_64MP_EMBEDDED_LINE_WIDTH (((11560 * 3) + 15) & ~15) #define ARDUCAM_64MP_NUM_EMBEDDED_LINES 1 enum pad_types { IMAGE_PAD, METADATA_PAD, NUM_PADS }; /* ARDUCAM_64MP native and active pixel array size. */ #define ARDUCAM_64MP_NATIVE_WIDTH 9344U #define ARDUCAM_64MP_NATIVE_HEIGHT 7032U #define ARDUCAM_64MP_PIXEL_ARRAY_LEFT 48U #define ARDUCAM_64MP_PIXEL_ARRAY_TOP 40U #define ARDUCAM_64MP_PIXEL_ARRAY_WIDTH 9248U #define ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT 6944U struct arducam_64mp_reg { u16 address; u8 val; }; struct arducam_64mp_reg_list { unsigned int num_of_regs; const struct arducam_64mp_reg *regs; }; /* Mode : resolution and related config&values */ struct arducam_64mp_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; /* Default framerate. */ struct v4l2_fract timeperframe_default; /* Default register values */ struct arducam_64mp_reg_list reg_list; }; static const s64 arducam_64mp_link_freq_menu[] = { ARDUCAM_64MP_DEFAULT_LINK_FREQ, }; static const struct arducam_64mp_reg mode_common_regs[] = { {0x0100, 0x00}, {0x0136, 0x18}, {0x0137, 0x00}, {0x33F0, 0x01}, {0x33F1, 0x03}, {0x0111, 0x02}, {0x3062, 0x00}, {0x3063, 0x12}, {0x3076, 0x00}, {0x3077, 0x30}, {0x1f06, 0x06}, {0x1f07, 0x82}, {0x1f04, 0x71}, {0x1f05, 0x01}, {0x1f08, 0x01}, {0x5bfe, 0x14}, {0x5c0d, 0x2d}, {0x5c1c, 0x30}, {0x5c2b, 0x32}, {0x5c37, 0x2e}, {0x5c40, 0x30}, {0x5c50, 0x14}, {0x5c5f, 0x28}, {0x5c6e, 0x28}, {0x5c7d, 0x32}, {0x5c89, 0x37}, {0x5c92, 0x56}, {0x5bfc, 0x12}, {0x5c0b, 0x2a}, {0x5c1a, 0x2c}, {0x5c29, 0x2f}, {0x5c36, 0x2e}, {0x5c3f, 0x2e}, {0x5c4e, 0x06}, {0x5c5d, 0x1e}, {0x5c6c, 0x20}, {0x5c7b, 0x1e}, {0x5c88, 0x32}, {0x5c91, 0x32}, {0x5c02, 0x14}, {0x5c11, 0x2f}, {0x5c20, 0x32}, {0x5c2f, 0x34}, {0x5c39, 0x31}, {0x5c42, 0x31}, {0x5c8b, 0x28}, {0x5c94, 0x28}, {0x5c00, 0x10}, {0x5c0f, 0x2c}, {0x5c1e, 0x2e}, {0x5c2d, 0x32}, {0x5c38, 0x2e}, {0x5c41, 0x2b}, {0x5c61, 0x0a}, {0x5c70, 0x0a}, {0x5c7f, 0x0a}, {0x5c8a, 0x1e}, {0x5c93, 0x2a}, {0x5bfa, 0x2b}, {0x5c09, 0x2d}, {0x5c18, 0x2e}, {0x5c27, 0x30}, {0x5c5b, 0x28}, {0x5c6a, 0x22}, {0x5c79, 0x42}, {0x5bfb, 0x2c}, {0x5c0a, 0x2f}, {0x5c19, 0x2e}, {0x5c28, 0x2e}, {0x5c4d, 0x20}, {0x5c5c, 0x1e}, {0x5c6b, 0x32}, {0x5c7a, 0x32}, {0x5bfd, 0x30}, {0x5c0c, 0x32}, {0x5c1b, 0x2e}, {0x5c2a, 0x30}, {0x5c4f, 0x28}, {0x5c5e, 0x32}, {0x5c6d, 0x37}, {0x5c7c, 0x56}, {0x5bff, 0x2e}, {0x5c0e, 0x32}, {0x5c1d, 0x2e}, {0x5c2c, 0x2b}, {0x5c51, 0x0a}, {0x5c60, 0x0a}, {0x5c6f, 0x1e}, {0x5c7e, 0x2a}, {0x5c01, 0x32}, {0x5c10, 0x34}, {0x5c1f, 0x31}, {0x5c2e, 0x31}, {0x5c71, 0x28}, {0x5c80, 0x28}, {0x5c4c, 0x2a}, {0x33f2, 0x01}, {0x1f04, 0x73}, {0x1f05, 0x01}, {0x5bfa, 0x35}, {0x5c09, 0x38}, {0x5c18, 0x3a}, {0x5c27, 0x38}, {0x5c5b, 0x25}, {0x5c6a, 0x24}, {0x5c79, 0x47}, {0x5bfc, 0x15}, {0x5c0b, 0x2e}, {0x5c1a, 0x36}, {0x5c29, 0x38}, {0x5c36, 0x36}, {0x5c3f, 0x36}, {0x5c4e, 0x0b}, {0x5c5d, 0x20}, {0x5c6c, 0x2a}, {0x5c7b, 0x25}, {0x5c88, 0x25}, {0x5c91, 0x22}, {0x5bfe, 0x15}, {0x5c0d, 0x32}, {0x5c1c, 0x36}, {0x5c2b, 0x36}, {0x5c37, 0x3a}, {0x5c40, 0x39}, {0x5c50, 0x06}, {0x5c5f, 0x22}, {0x5c6e, 0x23}, {0x5c7d, 0x2e}, {0x5c89, 0x44}, {0x5c92, 0x51}, {0x5d7f, 0x0a}, {0x5c00, 0x17}, {0x5c0f, 0x36}, {0x5c1e, 0x38}, {0x5c2d, 0x3c}, {0x5c38, 0x38}, {0x5c41, 0x36}, {0x5c52, 0x0a}, {0x5c61, 0x21}, {0x5c70, 0x23}, {0x5c7f, 0x1b}, {0x5c8a, 0x22}, {0x5c93, 0x20}, {0x5c02, 0x1a}, {0x5c11, 0x3e}, {0x5c20, 0x3f}, {0x5c2f, 0x3d}, {0x5c39, 0x3e}, {0x5c42, 0x3c}, {0x5c54, 0x02}, {0x5c63, 0x12}, {0x5c72, 0x14}, {0x5c81, 0x24}, {0x5c8b, 0x1c}, {0x5c94, 0x4e}, {0x5d8a, 0x09}, {0x5bfb, 0x36}, {0x5c0a, 0x38}, {0x5c19, 0x36}, {0x5c28, 0x36}, {0x5c4d, 0x2a}, {0x5c5c, 0x25}, {0x5c6b, 0x25}, {0x5c7a, 0x22}, {0x5bfd, 0x36}, {0x5c0c, 0x36}, {0x5c1b, 0x3a}, {0x5c2a, 0x39}, {0x5c4f, 0x23}, {0x5c5e, 0x2e}, {0x5c6d, 0x44}, {0x5c7c, 0x51}, {0x5d63, 0x0a}, {0x5bff, 0x38}, {0x5c0e, 0x3c}, {0x5c1d, 0x38}, {0x5c2c, 0x36}, {0x5c51, 0x23}, {0x5c60, 0x1b}, {0x5c6f, 0x22}, {0x5c7e, 0x20}, {0x5c01, 0x3f}, {0x5c10, 0x3d}, {0x5c1f, 0x3e}, {0x5c2e, 0x3c}, {0x5c53, 0x14}, {0x5c62, 0x24}, {0x5c71, 0x1c}, {0x5c80, 0x4e}, {0x5d76, 0x09}, {0x5c4c, 0x2a}, {0x33f2, 0x02}, {0x1f04, 0x78}, {0x1f05, 0x01}, {0x5bfa, 0x37}, {0x5c09, 0x36}, {0x5c18, 0x39}, {0x5c27, 0x38}, {0x5c5b, 0x27}, {0x5c6a, 0x2b}, {0x5c79, 0x48}, {0x5bfc, 0x16}, {0x5c0b, 0x32}, {0x5c1a, 0x33}, {0x5c29, 0x37}, {0x5c36, 0x36}, {0x5c3f, 0x35}, {0x5c4e, 0x0d}, {0x5c5d, 0x2d}, {0x5c6c, 0x23}, {0x5c7b, 0x25}, {0x5c88, 0x31}, {0x5c91, 0x2e}, {0x5bfe, 0x15}, {0x5c0d, 0x31}, {0x5c1c, 0x35}, {0x5c2b, 0x36}, {0x5c37, 0x35}, {0x5c40, 0x37}, {0x5c50, 0x0f}, {0x5c5f, 0x31}, {0x5c6e, 0x30}, {0x5c7d, 0x33}, {0x5c89, 0x36}, {0x5c92, 0x5b}, {0x5c00, 0x13}, {0x5c0f, 0x2f}, {0x5c1e, 0x2e}, {0x5c2d, 0x34}, {0x5c38, 0x33}, {0x5c41, 0x32}, {0x5c52, 0x0d}, {0x5c61, 0x27}, {0x5c70, 0x28}, {0x5c7f, 0x1f}, {0x5c8a, 0x25}, {0x5c93, 0x2c}, {0x5c02, 0x15}, {0x5c11, 0x36}, {0x5c20, 0x39}, {0x5c2f, 0x3a}, {0x5c39, 0x37}, {0x5c42, 0x37}, {0x5c54, 0x04}, {0x5c63, 0x1c}, {0x5c72, 0x1c}, {0x5c81, 0x1c}, {0x5c8b, 0x28}, {0x5c94, 0x24}, {0x5bfb, 0x33}, {0x5c0a, 0x37}, {0x5c19, 0x36}, {0x5c28, 0x35}, {0x5c4d, 0x23}, {0x5c5c, 0x25}, {0x5c6b, 0x31}, {0x5c7a, 0x2e}, {0x5bfd, 0x35}, {0x5c0c, 0x36}, {0x5c1b, 0x35}, {0x5c2a, 0x37}, {0x5c4f, 0x30}, {0x5c5e, 0x33}, {0x5c6d, 0x36}, {0x5c7c, 0x5b}, {0x5bff, 0x2e}, {0x5c0e, 0x34}, {0x5c1d, 0x33}, {0x5c2c, 0x32}, {0x5c51, 0x28}, {0x5c60, 0x1f}, {0x5c6f, 0x25}, {0x5c7e, 0x2c}, {0x5c01, 0x39}, {0x5c10, 0x3a}, {0x5c1f, 0x37}, {0x5c2e, 0x37}, {0x5c53, 0x1c}, {0x5c62, 0x1c}, {0x5c71, 0x28}, {0x5c80, 0x24}, {0x5c4c, 0x2c}, {0x33f2, 0x03}, {0x1f08, 0x00}, {0x32c8, 0x00}, {0x4017, 0x40}, {0x40a2, 0x01}, {0x40ac, 0x01}, {0x4328, 0x00}, {0x4329, 0xb3}, {0x4e15, 0x10}, {0x4e19, 0x2f}, {0x4e21, 0x0f}, {0x4e2f, 0x10}, {0x4e3d, 0x10}, {0x4e41, 0x2f}, {0x4e57, 0x29}, {0x4ffb, 0x2f}, {0x5011, 0x24}, {0x501d, 0x03}, {0x505f, 0x41}, {0x5060, 0xdf}, {0x5065, 0xdf}, {0x5066, 0x37}, {0x506e, 0x57}, {0x5070, 0xc5}, {0x5072, 0x57}, {0x5075, 0x53}, {0x5076, 0x55}, {0x5077, 0xc1}, {0x5078, 0xc3}, {0x5079, 0x53}, {0x507a, 0x55}, {0x507d, 0x57}, {0x507e, 0xdf}, {0x507f, 0xc5}, {0x5081, 0x57}, {0x53c8, 0x01}, {0x53c9, 0xe2}, {0x53ca, 0x03}, {0x5422, 0x7a}, {0x548e, 0x40}, {0x5497, 0x5e}, {0x54a1, 0x40}, {0x54a9, 0x40}, {0x54b2, 0x5e}, {0x54bc, 0x40}, {0x57c6, 0x00}, {0x583d, 0x0e}, {0x583e, 0x0e}, {0x583f, 0x0e}, {0x5840, 0x0e}, {0x5841, 0x0e}, {0x5842, 0x0e}, {0x5900, 0x12}, {0x5901, 0x12}, {0x5902, 0x14}, {0x5903, 0x12}, {0x5904, 0x14}, {0x5905, 0x12}, {0x5906, 0x14}, {0x5907, 0x12}, {0x590f, 0x12}, {0x5911, 0x12}, {0x5913, 0x12}, {0x591c, 0x12}, {0x591e, 0x12}, {0x5920, 0x12}, {0x5948, 0x08}, {0x5949, 0x08}, {0x594a, 0x08}, {0x594b, 0x08}, {0x594c, 0x08}, {0x594d, 0x08}, {0x594e, 0x08}, {0x594f, 0x08}, {0x595c, 0x08}, {0x595e, 0x08}, {0x5960, 0x08}, {0x596e, 0x08}, {0x5970, 0x08}, {0x5972, 0x08}, {0x597e, 0x0f}, {0x597f, 0x0f}, {0x599a, 0x0f}, {0x59de, 0x08}, {0x59df, 0x08}, {0x59fa, 0x08}, {0x5a59, 0x22}, {0x5a5b, 0x22}, {0x5a5d, 0x1a}, {0x5a5f, 0x22}, {0x5a61, 0x1a}, {0x5a63, 0x22}, {0x5a65, 0x1a}, {0x5a67, 0x22}, {0x5a77, 0x22}, {0x5a7b, 0x22}, {0x5a7f, 0x22}, {0x5a91, 0x22}, {0x5a95, 0x22}, {0x5a99, 0x22}, {0x5ae9, 0x66}, {0x5aeb, 0x66}, {0x5aed, 0x5e}, {0x5aef, 0x66}, {0x5af1, 0x5e}, {0x5af3, 0x66}, {0x5af5, 0x5e}, {0x5af7, 0x66}, {0x5b07, 0x66}, {0x5b0b, 0x66}, {0x5b0f, 0x66}, {0x5b21, 0x66}, {0x5b25, 0x66}, {0x5b29, 0x66}, {0x5b79, 0x46}, {0x5b7b, 0x3e}, {0x5b7d, 0x3e}, {0x5b89, 0x46}, {0x5b8b, 0x46}, {0x5b97, 0x46}, {0x5b99, 0x46}, {0x5c9e, 0x0a}, {0x5c9f, 0x08}, {0x5ca0, 0x0a}, {0x5ca1, 0x0a}, {0x5ca2, 0x0b}, {0x5ca3, 0x06}, {0x5ca4, 0x04}, {0x5ca5, 0x06}, {0x5ca6, 0x04}, {0x5cad, 0x0b}, {0x5cae, 0x0a}, {0x5caf, 0x0c}, {0x5cb0, 0x0a}, {0x5cb1, 0x0b}, {0x5cb2, 0x08}, {0x5cb3, 0x06}, {0x5cb4, 0x08}, {0x5cb5, 0x04}, {0x5cbc, 0x0b}, {0x5cbd, 0x09}, {0x5cbe, 0x08}, {0x5cbf, 0x09}, {0x5cc0, 0x0a}, {0x5cc1, 0x08}, {0x5cc2, 0x06}, {0x5cc3, 0x08}, {0x5cc4, 0x06}, {0x5ccb, 0x0a}, {0x5ccc, 0x09}, {0x5ccd, 0x0a}, {0x5cce, 0x08}, {0x5ccf, 0x0a}, {0x5cd0, 0x08}, {0x5cd1, 0x08}, {0x5cd2, 0x08}, {0x5cd3, 0x08}, {0x5cda, 0x09}, {0x5cdb, 0x09}, {0x5cdc, 0x08}, {0x5cdd, 0x08}, {0x5ce3, 0x09}, {0x5ce4, 0x08}, {0x5ce5, 0x08}, {0x5ce6, 0x08}, {0x5cf4, 0x04}, {0x5d04, 0x04}, {0x5d13, 0x06}, {0x5d22, 0x06}, {0x5d23, 0x04}, {0x5d2e, 0x06}, {0x5d37, 0x06}, {0x5d6f, 0x09}, {0x5d72, 0x0f}, {0x5d88, 0x0f}, {0x5de6, 0x01}, {0x5de7, 0x01}, {0x5de8, 0x01}, {0x5de9, 0x01}, {0x5dea, 0x01}, {0x5deb, 0x01}, {0x5dec, 0x01}, {0x5df2, 0x01}, {0x5df3, 0x01}, {0x5df4, 0x01}, {0x5df5, 0x01}, {0x5df6, 0x01}, {0x5df7, 0x01}, {0x5df8, 0x01}, {0x5dfe, 0x01}, {0x5dff, 0x01}, {0x5e00, 0x01}, {0x5e01, 0x01}, {0x5e02, 0x01}, {0x5e03, 0x01}, {0x5e04, 0x01}, {0x5e0a, 0x01}, {0x5e0b, 0x01}, {0x5e0c, 0x01}, {0x5e0d, 0x01}, {0x5e0e, 0x01}, {0x5e0f, 0x01}, {0x5e10, 0x01}, {0x5e16, 0x01}, {0x5e17, 0x01}, {0x5e18, 0x01}, {0x5e1e, 0x01}, {0x5e1f, 0x01}, {0x5e20, 0x01}, {0x5e6e, 0x5a}, {0x5e6f, 0x46}, {0x5e70, 0x46}, {0x5e71, 0x3c}, {0x5e72, 0x3c}, {0x5e73, 0x28}, {0x5e74, 0x28}, {0x5e75, 0x6e}, {0x5e76, 0x6e}, {0x5e81, 0x46}, {0x5e83, 0x3c}, {0x5e85, 0x28}, {0x5e87, 0x6e}, {0x5e92, 0x46}, {0x5e94, 0x3c}, {0x5e96, 0x28}, {0x5e98, 0x6e}, {0x5ecb, 0x26}, {0x5ecc, 0x26}, {0x5ecd, 0x26}, {0x5ece, 0x26}, {0x5ed2, 0x26}, {0x5ed3, 0x26}, {0x5ed4, 0x26}, {0x5ed5, 0x26}, {0x5ed9, 0x26}, {0x5eda, 0x26}, {0x5ee5, 0x08}, {0x5ee6, 0x08}, {0x5ee7, 0x08}, {0x6006, 0x14}, {0x6007, 0x14}, {0x6008, 0x14}, {0x6009, 0x14}, {0x600a, 0x14}, {0x600b, 0x14}, {0x600c, 0x14}, {0x600d, 0x22}, {0x600e, 0x22}, {0x600f, 0x14}, {0x601a, 0x14}, {0x601b, 0x14}, {0x601c, 0x14}, {0x601d, 0x14}, {0x601e, 0x14}, {0x601f, 0x14}, {0x6020, 0x14}, {0x6021, 0x22}, {0x6022, 0x22}, {0x6023, 0x14}, {0x602e, 0x14}, {0x602f, 0x14}, {0x6030, 0x14}, {0x6031, 0x22}, {0x6039, 0x14}, {0x603a, 0x14}, {0x603b, 0x14}, {0x603c, 0x22}, {0x6132, 0x0f}, {0x6133, 0x0f}, {0x6134, 0x0f}, {0x6135, 0x0f}, {0x6136, 0x0f}, {0x6137, 0x0f}, {0x6138, 0x0f}, {0x613e, 0x0f}, {0x613f, 0x0f}, {0x6140, 0x0f}, {0x6141, 0x0f}, {0x6142, 0x0f}, {0x6143, 0x0f}, {0x6144, 0x0f}, {0x614a, 0x0f}, {0x614b, 0x0f}, {0x614c, 0x0f}, {0x614d, 0x0f}, {0x614e, 0x0f}, {0x614f, 0x0f}, {0x6150, 0x0f}, {0x6156, 0x0f}, {0x6157, 0x0f}, {0x6158, 0x0f}, {0x6159, 0x0f}, {0x615a, 0x0f}, {0x615b, 0x0f}, {0x615c, 0x0f}, {0x6162, 0x0f}, {0x6163, 0x0f}, {0x6164, 0x0f}, {0x616a, 0x0f}, {0x616b, 0x0f}, {0x616c, 0x0f}, {0x6226, 0x00}, {0x84f8, 0x01}, {0x8501, 0x00}, {0x8502, 0x01}, {0x8505, 0x00}, {0x8744, 0x00}, {0x883c, 0x01}, {0x8845, 0x00}, {0x8846, 0x01}, {0x8849, 0x00}, {0x9004, 0x1f}, {0x9064, 0x4d}, {0x9065, 0x3d}, {0x922e, 0x91}, {0x922f, 0x2a}, {0x9230, 0xe2}, {0x9231, 0xc0}, {0x9232, 0xe2}, {0x9233, 0xc1}, {0x9234, 0xe2}, {0x9235, 0xc2}, {0x9236, 0xe2}, {0x9237, 0xc3}, {0x9238, 0xe2}, {0x9239, 0xd4}, {0x923a, 0xe2}, {0x923b, 0xd5}, {0x923c, 0x90}, {0x923d, 0x64}, {0xb0b9, 0x10}, {0xbc76, 0x00}, {0xbc77, 0x00}, {0xbc78, 0x00}, {0xbc79, 0x00}, {0xbc7b, 0x28}, {0xbc7c, 0x00}, {0xbc7d, 0x00}, {0xbc7f, 0xc0}, {0xc6b9, 0x01}, {0xecb5, 0x04}, {0xecbf, 0x04}, {0x0112, 0x0a}, {0x0113, 0x0a}, {0x0114, 0x01}, {0x0301, 0x08}, {0x0303, 0x02}, {0x0305, 0x04}, {0x0306, 0x01}, {0x0307, 0x2c}, {0x030b, 0x02}, {0x030d, 0x04}, {0x030e, 0x01}, {0x030f, 0x30}, {0x0310, 0x01}, {0x4018, 0x00}, {0x4019, 0x00}, {0x401a, 0x00}, {0x401b, 0x00}, {0x3400, 0x01}, {0x3092, 0x01}, {0x3093, 0x00}, {0x0350, 0x00}, {0x3419, 0x00}, }; /* 64 mpix 2.7fps */ static const struct arducam_64mp_reg mode_9152x6944_regs[] = { {0x0342, 0xb6}, {0x0343, 0xb2}, {0x0340, 0x1b}, {0x0341, 0x76}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x24}, {0x0349, 0x1f}, {0x034a, 0x1b}, {0x034b, 0x1f}, {0x0900, 0x00}, {0x0901, 0x11}, {0x0902, 0x0a}, {0x30d8, 0x00}, {0x3200, 0x01}, {0x3201, 0x01}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x23}, {0x040d, 0xc0}, {0x040e, 0x1b}, {0x040f, 0x20}, {0x034c, 0x23}, {0x034d, 0xc0}, {0x034e, 0x1b}, {0x034f, 0x20}, {0x30d9, 0x01}, {0x32d5, 0x01}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x04}, {0x40b9, 0x20}, {0x40bc, 0x02}, {0x40bd, 0x58}, {0x40be, 0x02}, {0x40bf, 0x58}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0x14}, {0x98d8, 0x14}, {0x98d9, 0x00}, {0x99c4, 0x00}, {0x0202, 0x03}, {0x0203, 0xe8}, {0x0204, 0x00}, {0x0205, 0x00}, {0x020e, 0x01}, {0x020f, 0x00}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x02}, {0x341f, 0x3c}, {0x3420, 0x02}, {0x3421, 0x42}, }; /* 48 mpix 3.0fps */ static const struct arducam_64mp_reg mode_8000x6000_regs[] = { {0x0342, 0xb6}, {0x0343, 0xb2}, {0x0340, 0x19}, {0x0341, 0x0e}, {0x0344, 0x02}, {0x0345, 0x70}, {0x0346, 0x01}, {0x0347, 0xd8}, {0x0348, 0x21}, {0x0349, 0xaf}, {0x034a, 0x19}, {0x034b, 0x47}, {0x0900, 0x00}, {0x0901, 0x11}, {0x0902, 0x0a}, {0x30d8, 0x00}, {0x3200, 0x01}, {0x3201, 0x01}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x1f}, {0x040d, 0x40}, {0x040e, 0x17}, {0x040f, 0x70}, {0x034c, 0x1f}, {0x034d, 0x40}, {0x034e, 0x17}, {0x034f, 0x70}, {0x30d9, 0x01}, {0x32d5, 0x01}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x04}, {0x40b9, 0x20}, {0x40bc, 0x02}, {0x40bd, 0x58}, {0x40be, 0x02}, {0x40bf, 0x58}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0x14}, {0x98d8, 0x14}, {0x98d9, 0x00}, {0x99c4, 0x00}, {0x0202, 0x03}, {0x0203, 0xe8}, {0x0204, 0x00}, {0x0205, 0x00}, {0x020e, 0x01}, {0x020f, 0x00}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x01}, {0x341f, 0xf4}, {0x3420, 0x01}, {0x3421, 0xf4}, }; /* 16 mpix 10fps */ static const struct arducam_64mp_reg mode_4624x3472_regs[] = { {0x0342, 0x63}, {0x0343, 0x97}, {0x0340, 0x0d}, {0x0341, 0xca}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x24}, {0x0349, 0x1f}, {0x034a, 0x1b}, {0x034b, 0x1f}, {0x0900, 0x01}, {0x0901, 0x22}, {0x0902, 0x08}, {0x30d8, 0x04}, {0x3200, 0x41}, {0x3201, 0x41}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x12}, {0x040d, 0x10}, {0x040e, 0x0d}, {0x040f, 0x90}, {0x034c, 0x12}, {0x034d, 0x10}, {0x034e, 0x0d}, {0x034f, 0x90}, {0x30d9, 0x00}, {0x32d5, 0x00}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x01}, {0x40b9, 0x2c}, {0x40bc, 0x01}, {0x40bd, 0x18}, {0x40be, 0x00}, {0x40bf, 0x00}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0xb4}, {0x98d8, 0x8c}, {0x98d9, 0x0a}, {0x99c4, 0x16}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x01}, {0x341f, 0x21}, {0x3420, 0x01}, {0x3421, 0x21}, }; /* 4k 20fps mode */ static const struct arducam_64mp_reg mode_3840x2160_regs[] = { {0x0342, 0x4e}, {0x0343, 0xb7}, {0x0340, 0x08}, {0x0341, 0xb9}, {0x0344, 0x03}, {0x0345, 0x10}, {0x0346, 0x05}, {0x0347, 0x20}, {0x0348, 0x21}, {0x0349, 0x0f}, {0x034a, 0x15}, {0x034b, 0xff}, {0x0900, 0x01}, {0x0901, 0x22}, {0x0902, 0x08}, {0x30d8, 0x04}, {0x3200, 0x41}, {0x3201, 0x41}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x0f}, {0x040d, 0x00}, {0x040e, 0x08}, {0x040f, 0x70}, {0x034c, 0x0f}, {0x034d, 0x00}, {0x034e, 0x08}, {0x034f, 0x70}, {0x30d9, 0x00}, {0x32d5, 0x00}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x01}, {0x40b9, 0x2c}, {0x40bc, 0x01}, {0x40bd, 0x18}, {0x40be, 0x00}, {0x40bf, 0x00}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0xb4}, {0x98d8, 0x8c}, {0x98d9, 0x0a}, {0x99c4, 0x16}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x00}, {0x341f, 0xf0}, {0x3420, 0x00}, {0x3421, 0xb4}, }; /* 4x4 binned 30fps mode */ static const struct arducam_64mp_reg mode_2312x1736_regs[] = { {0x0342, 0x33}, {0x0343, 0x60}, {0x0340, 0x08}, {0x0341, 0xe9}, {0x0344, 0x00}, {0x0345, 0x00}, {0x0346, 0x00}, {0x0347, 0x00}, {0x0348, 0x24}, {0x0349, 0x1f}, {0x034a, 0x1b}, {0x034b, 0x1f}, {0x0900, 0x01}, {0x0901, 0x44}, {0x0902, 0x08}, {0x30d8, 0x04}, {0x3200, 0x43}, {0x3201, 0x43}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x09}, {0x040d, 0x08}, {0x040e, 0x06}, {0x040f, 0xc8}, {0x034c, 0x09}, {0x034d, 0x08}, {0x034e, 0x06}, {0x034f, 0xc8}, {0x30d9, 0x00}, {0x32d5, 0x00}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x01}, {0x40b9, 0x2c}, {0x40bc, 0x01}, {0x40bd, 0x18}, {0x40be, 0x00}, {0x40bf, 0x00}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0xb4}, {0x98d8, 0x8c}, {0x98d9, 0x0a}, {0x99c4, 0x16}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x00}, {0x341f, 0x90}, {0x3420, 0x00}, {0x3421, 0x90}, }; /* 1080p 60fps mode */ static const struct arducam_64mp_reg mode_1920x1080_regs[] = { {0x0342, 0x29}, {0x0343, 0xe3}, {0x0340, 0x05}, {0x0341, 0x76}, {0x0344, 0x03}, {0x0345, 0x10}, {0x0346, 0x05}, {0x0347, 0x20}, {0x0348, 0x21}, {0x0349, 0x0f}, {0x034a, 0x16}, {0x034b, 0x0f}, {0x0900, 0x01}, {0x0901, 0x44}, {0x0902, 0x08}, {0x30d8, 0x04}, {0x3200, 0x43}, {0x3201, 0x43}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x07}, {0x040d, 0x80}, {0x040e, 0x04}, {0x040f, 0x38}, {0x034c, 0x07}, {0x034d, 0x80}, {0x034e, 0x04}, {0x034f, 0x38}, {0x30d9, 0x00}, {0x32d5, 0x00}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x01}, {0x40b9, 0x2c}, {0x40bc, 0x01}, {0x40bd, 0x18}, {0x40be, 0x00}, {0x40bf, 0x00}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0xb4}, {0x98d8, 0x8c}, {0x98d9, 0x0a}, {0x99c4, 0x16}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x00}, {0x341f, 0x78}, {0x3420, 0x00}, {0x3421, 0x5a}, }; /* 720p 120fps mode */ static const struct arducam_64mp_reg mode_1280x720_regs[] = { {0x0342, 0x1b}, {0x0343, 0x08}, {0x0340, 0x04}, {0x0341, 0x3b}, {0x0344, 0x08}, {0x0345, 0x10}, {0x0346, 0x07}, {0x0347, 0xf0}, {0x0348, 0x1c}, {0x0349, 0x0f}, {0x034a, 0x13}, {0x034b, 0x3f}, {0x0900, 0x01}, {0x0901, 0x44}, {0x0902, 0x08}, {0x30d8, 0x04}, {0x3200, 0x43}, {0x3201, 0x43}, {0x0408, 0x00}, {0x0409, 0x00}, {0x040a, 0x00}, {0x040b, 0x00}, {0x040c, 0x05}, {0x040d, 0x00}, {0x040e, 0x02}, {0x040f, 0xd0}, {0x034c, 0x05}, {0x034d, 0x00}, {0x034e, 0x02}, {0x034f, 0xd0}, {0x30d9, 0x00}, {0x32d5, 0x00}, {0x32d6, 0x00}, {0x401e, 0x00}, {0x40b8, 0x01}, {0x40b9, 0x2c}, {0x40bc, 0x01}, {0x40bd, 0x18}, {0x40be, 0x00}, {0x40bf, 0x00}, {0x41a4, 0x00}, {0x5a09, 0x01}, {0x5a17, 0x01}, {0x5a25, 0x01}, {0x5a33, 0x01}, {0x98d7, 0xb4}, {0x98d8, 0x8c}, {0x98d9, 0x0a}, {0x99c4, 0x16}, {0x341a, 0x00}, {0x341b, 0x00}, {0x341c, 0x00}, {0x341d, 0x00}, {0x341e, 0x00}, {0x341f, 0x50}, {0x3420, 0x00}, {0x3421, 0x3c}, }; /* Mode configs */ static const struct arducam_64mp_mode supported_modes[] = { { .width = 9152, .height = 6944, .line_length_pix = 0xb6b2, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP, .width = 9248, .height = 6944, }, .timeperframe_default = { .numerator = 100, .denominator = 270 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_9152x6944_regs), .regs = mode_9152x6944_regs, } }, { .width = 8000, .height = 6000, .line_length_pix = 0xb6b2, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 624, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 472, .width = 9248, .height = 6944, }, .timeperframe_default = { .numerator = 100, .denominator = 300 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_8000x6000_regs), .regs = mode_8000x6000_regs, } }, { .width = 4624, .height = 3472, .line_length_pix = 0x6397, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP, .width = 9248, .height = 6944, }, .timeperframe_default = { .numerator = 100, .denominator = 1000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_4624x3472_regs), .regs = mode_4624x3472_regs, } }, { .width = 3840, .height = 2160, .line_length_pix = 0x4eb7, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 784, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 1312, .width = 7680, .height = 4320, }, .timeperframe_default = { .numerator = 100, .denominator = 2000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs), .regs = mode_3840x2160_regs, } }, { .width = 2312, .height = 1736, .line_length_pix = 0x3360, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP, .width = 9248, .height = 6944, }, .timeperframe_default = { .numerator = 100, .denominator = 3000 }, .reg_list = { .num_of_regs = ARRAY_SIZE(mode_2312x1736_regs), .regs = mode_2312x1736_regs, } }, { .width = 1920, .height = 1080, .line_length_pix = 0x29e3, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 784, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 1312, .width = 7680, .height = 4320, }, .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 = 0x1b08, .crop = { .left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT + 2064, .top = ARDUCAM_64MP_PIXEL_ARRAY_TOP + 2032, .width = 5120, .height = 2880, }, .timeperframe_default = { .numerator = 100, .denominator = 12000 }, .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 arducam_64mp_test_pattern_menu[] = { "Disabled", "Color Bars", "Solid Color", "Grey Color Bars", "PN9" }; static const int arducam_64mp_test_pattern_val[] = { ARDUCAM_64MP_TEST_PATTERN_DISABLE, ARDUCAM_64MP_TEST_PATTERN_COLOR_BARS, ARDUCAM_64MP_TEST_PATTERN_SOLID_COLOR, ARDUCAM_64MP_TEST_PATTERN_GREY_COLOR, ARDUCAM_64MP_TEST_PATTERN_PN9, }; /* regulator supplies */ static const char * const arducam_64mp_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 ARDUCAM_64MP_NUM_SUPPLIES ARRAY_SIZE(arducam_64mp_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 7.7ms. 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 - 1ms. */ #define ARDUCAM_64MP_XCLR_MIN_DELAY_US 8000 #define ARDUCAM_64MP_XCLR_DELAY_RANGE_US 1000 struct arducam_64mp { 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[ARDUCAM_64MP_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 arducam_64mp_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 arducam_64mp *to_arducam_64mp(struct v4l2_subdev *_sd) { return container_of(_sd, struct arducam_64mp, sd); } /* Read registers up to 2 at a time */ static int arducam_64mp_read_reg(struct i2c_client *client, u16 reg, u32 len, u32 *val) { 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 arducam_64mp_write_reg(struct arducam_64mp *arducam_64mp, u16 reg, u32 len, u32 val) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->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 arducam_64mp_write_regs(struct arducam_64mp *arducam_64mp, const struct arducam_64mp_reg *regs, u32 len) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); unsigned int i; int ret; for (i = 0; i < len; i++) { ret = arducam_64mp_write_reg(arducam_64mp, 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 arducam_64mp_get_format_code(struct arducam_64mp *arducam_64mp) { unsigned int i; lockdep_assert_held(&arducam_64mp->mutex); i = (arducam_64mp->vflip->val ? 2 : 0) | (arducam_64mp->hflip->val ? 1 : 0); return codes[i]; } static int arducam_64mp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct arducam_64mp *arducam_64mp = to_arducam_64mp(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(&arducam_64mp->mutex); /* Initialize try_fmt for the image pad */ try_fmt_img->width = supported_modes[0].width; try_fmt_img->height = supported_modes[0].height; try_fmt_img->code = arducam_64mp_get_format_code(arducam_64mp); try_fmt_img->field = V4L2_FIELD_NONE; /* Initialize try_fmt for the embedded metadata pad */ try_fmt_meta->width = ARDUCAM_64MP_EMBEDDED_LINE_WIDTH; try_fmt_meta->height = ARDUCAM_64MP_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 = ARDUCAM_64MP_PIXEL_ARRAY_LEFT; try_crop->top = ARDUCAM_64MP_PIXEL_ARRAY_TOP; try_crop->width = ARDUCAM_64MP_PIXEL_ARRAY_WIDTH; try_crop->height = ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT; mutex_unlock(&arducam_64mp->mutex); return 0; } static void arducam_64mp_adjust_exposure_range(struct arducam_64mp *arducam_64mp) { int exposure_max, exposure_def; /* Honour the VBLANK limits when setting exposure. */ exposure_max = arducam_64mp->mode->height + arducam_64mp->vblank->val - ARDUCAM_64MP_EXPOSURE_OFFSET; exposure_def = min(exposure_max, arducam_64mp->exposure->val); __v4l2_ctrl_modify_range(arducam_64mp->exposure, arducam_64mp->exposure->minimum, exposure_max, arducam_64mp->exposure->step, exposure_def); } static int arducam_64mp_set_frame_length(struct arducam_64mp *arducam_64mp, unsigned int vblank) { unsigned int val = vblank + arducam_64mp->mode->height; int ret = 0; arducam_64mp->long_exp_shift = 0; while (val > ARDUCAM_64MP_FRAME_LENGTH_MAX) { arducam_64mp->long_exp_shift++; val >>= 1; } ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_FRAME_LENGTH, ARDUCAM_64MP_REG_VALUE_16BIT, val); if (ret) return ret; return arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_LONG_EXP_SHIFT_REG, ARDUCAM_64MP_REG_VALUE_08BIT, arducam_64mp->long_exp_shift); } static int arducam_64mp_set_ctrl(struct v4l2_ctrl *ctrl) { struct arducam_64mp *arducam_64mp = container_of(ctrl->handler, struct arducam_64mp, ctrl_handler); struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); int ret; u32 val; /* * The VBLANK control may change the limits of usable exposure, so check * and adjust if necessary. */ if (ctrl->id == V4L2_CID_VBLANK) arducam_64mp_adjust_exposure_range(arducam_64mp); /* * 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 = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_ANALOG_GAIN, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_EXPOSURE: val = ctrl->val >> arducam_64mp->long_exp_shift; ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_EXPOSURE, ARDUCAM_64MP_REG_VALUE_16BIT, val); break; case V4L2_CID_DIGITAL_GAIN: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_DIGITAL_GAIN, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN: val = arducam_64mp_test_pattern_val[ctrl->val]; ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_TEST_PATTERN, ARDUCAM_64MP_REG_VALUE_16BIT, val); break; case V4L2_CID_TEST_PATTERN_RED: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_TEST_PATTERN_R, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_GREENR: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_TEST_PATTERN_GR, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_BLUE: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_TEST_PATTERN_B, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_TEST_PATTERN_GREENB: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_TEST_PATTERN_GB, ARDUCAM_64MP_REG_VALUE_16BIT, ctrl->val); break; case V4L2_CID_HFLIP: case V4L2_CID_VFLIP: ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_ORIENTATION, 1, arducam_64mp->hflip->val | arducam_64mp->vflip->val << 1); break; case V4L2_CID_VBLANK: ret = arducam_64mp_set_frame_length(arducam_64mp, 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 arducam_64mp_ctrl_ops = { .s_ctrl = arducam_64mp_set_ctrl, }; static int arducam_64mp_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); if (code->pad >= NUM_PADS) return -EINVAL; if (code->pad == IMAGE_PAD) { if (code->index > 0) return -EINVAL; code->code = arducam_64mp_get_format_code(arducam_64mp); } else { if (code->index > 0) return -EINVAL; code->code = MEDIA_BUS_FMT_SENSOR_DATA; } return 0; } static int arducam_64mp_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); if (fse->pad >= NUM_PADS) return -EINVAL; if (fse->pad == IMAGE_PAD) { if (fse->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; if (fse->code != arducam_64mp_get_format_code(arducam_64mp)) 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; } else { if (fse->code != MEDIA_BUS_FMT_SENSOR_DATA || fse->index > 0) return -EINVAL; fse->min_width = ARDUCAM_64MP_EMBEDDED_LINE_WIDTH; fse->max_width = fse->min_width; fse->min_height = ARDUCAM_64MP_NUM_EMBEDDED_LINES; fse->max_height = fse->min_height; } return 0; } static void arducam_64mp_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 arducam_64mp_update_image_pad_format(struct arducam_64mp *arducam_64mp, const struct arducam_64mp_mode *mode, struct v4l2_subdev_format *fmt) { fmt->format.width = mode->width; fmt->format.height = mode->height; fmt->format.field = V4L2_FIELD_NONE; arducam_64mp_reset_colorspace(&fmt->format); } static void arducam_64mp_update_metadata_pad_format(struct v4l2_subdev_format *fmt) { fmt->format.width = ARDUCAM_64MP_EMBEDDED_LINE_WIDTH; fmt->format.height = ARDUCAM_64MP_NUM_EMBEDDED_LINES; fmt->format.code = MEDIA_BUS_FMT_SENSOR_DATA; fmt->format.field = V4L2_FIELD_NONE; } static int arducam_64mp_get_pad_format(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_format *fmt) { struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); if (fmt->pad >= NUM_PADS) return -EINVAL; mutex_lock(&arducam_64mp->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 ? arducam_64mp_get_format_code(arducam_64mp) : MEDIA_BUS_FMT_SENSOR_DATA; fmt->format = *try_fmt; } else { if (fmt->pad == IMAGE_PAD) { arducam_64mp_update_image_pad_format(arducam_64mp, arducam_64mp->mode, fmt); fmt->format.code = arducam_64mp_get_format_code(arducam_64mp); } else { arducam_64mp_update_metadata_pad_format(fmt); } } mutex_unlock(&arducam_64mp->mutex); return 0; } static unsigned int arducam_64mp_get_frame_length(const struct arducam_64mp_mode *mode, const struct v4l2_fract *timeperframe) { u64 frame_length; frame_length = (u64)timeperframe->numerator * ARDUCAM_64MP_PIXEL_RATE; do_div(frame_length, (u64)timeperframe->denominator * mode->line_length_pix); if (WARN_ON(frame_length > ARDUCAM_64MP_FRAME_LENGTH_MAX)) frame_length = ARDUCAM_64MP_FRAME_LENGTH_MAX; return max_t(unsigned int, frame_length, mode->height); } static void arducam_64mp_set_framing_limits(struct arducam_64mp *arducam_64mp) { unsigned int frm_length_min, frm_length_default, hblank; const struct arducam_64mp_mode *mode = arducam_64mp->mode; /* The default framerate is highest possible framerate. */ frm_length_min = arducam_64mp_get_frame_length(mode, &mode->timeperframe_default); frm_length_default = arducam_64mp_get_frame_length(mode, &mode->timeperframe_default); /* Default to no long exposure multiplier. */ arducam_64mp->long_exp_shift = 0; /* Update limits and set FPS to default */ __v4l2_ctrl_modify_range(arducam_64mp->vblank, frm_length_min - mode->height, ((1 << ARDUCAM_64MP_LONG_EXP_SHIFT_MAX) * ARDUCAM_64MP_FRAME_LENGTH_MAX) - mode->height, 1, frm_length_default - mode->height); /* Setting this will adjust the exposure limits as well. */ __v4l2_ctrl_s_ctrl(arducam_64mp->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(arducam_64mp->hblank, hblank, hblank, 1, hblank); } static int arducam_64mp_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 arducam_64mp_mode *mode; struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); if (fmt->pad >= NUM_PADS) return -EINVAL; mutex_lock(&arducam_64mp->mutex); if (fmt->pad == IMAGE_PAD) { /* Bayer order varies with flips */ fmt->format.code = arducam_64mp_get_format_code(arducam_64mp); mode = v4l2_find_nearest_size(supported_modes, ARRAY_SIZE(supported_modes), width, height, fmt->format.width, fmt->format.height); arducam_64mp_update_image_pad_format(arducam_64mp, mode, fmt); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); *framefmt = fmt->format; } else { arducam_64mp->mode = mode; arducam_64mp->fmt_code = fmt->format.code; arducam_64mp_set_framing_limits(arducam_64mp); } } 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 */ arducam_64mp_update_metadata_pad_format(fmt); } } mutex_unlock(&arducam_64mp->mutex); return 0; } static const struct v4l2_rect * __arducam_64mp_get_pad_crop(struct arducam_64mp *arducam_64mp, 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 &arducam_64mp->mode->crop; } return NULL; } static int arducam_64mp_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 arducam_64mp *arducam_64mp = to_arducam_64mp(sd); mutex_lock(&arducam_64mp->mutex); sel->r = *__arducam_64mp_get_pad_crop(arducam_64mp, sd_state, sel->pad, sel->which); mutex_unlock(&arducam_64mp->mutex); return 0; } case V4L2_SEL_TGT_NATIVE_SIZE: sel->r.left = 0; sel->r.top = 0; sel->r.width = ARDUCAM_64MP_NATIVE_WIDTH; sel->r.height = ARDUCAM_64MP_NATIVE_HEIGHT; return 0; case V4L2_SEL_TGT_CROP_DEFAULT: case V4L2_SEL_TGT_CROP_BOUNDS: sel->r.left = ARDUCAM_64MP_PIXEL_ARRAY_LEFT; sel->r.top = ARDUCAM_64MP_PIXEL_ARRAY_TOP; sel->r.width = ARDUCAM_64MP_PIXEL_ARRAY_WIDTH; sel->r.height = ARDUCAM_64MP_PIXEL_ARRAY_HEIGHT; return 0; } return -EINVAL; } /* Start streaming */ static int arducam_64mp_start_streaming(struct arducam_64mp *arducam_64mp) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); const struct arducam_64mp_reg_list *reg_list; int ret; if (!arducam_64mp->common_regs_written) { ret = arducam_64mp_write_regs(arducam_64mp, mode_common_regs, ARRAY_SIZE(mode_common_regs)); if (ret) { dev_err(&client->dev, "%s failed to set common settings\n", __func__); return ret; } arducam_64mp->common_regs_written = true; } /* Apply default values of current mode */ reg_list = &arducam_64mp->mode->reg_list; ret = arducam_64mp_write_regs(arducam_64mp, 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(arducam_64mp->sd.ctrl_handler); if (ret) return ret; /* set stream on register */ return arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_MODE_SELECT, ARDUCAM_64MP_REG_VALUE_08BIT, ARDUCAM_64MP_MODE_STREAMING); } /* Stop streaming */ static void arducam_64mp_stop_streaming(struct arducam_64mp *arducam_64mp) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); int ret; /* set stream off register */ ret = arducam_64mp_write_reg(arducam_64mp, ARDUCAM_64MP_REG_MODE_SELECT, ARDUCAM_64MP_REG_VALUE_08BIT, ARDUCAM_64MP_MODE_STANDBY); if (ret) dev_err(&client->dev, "%s failed to set stream\n", __func__); } static int arducam_64mp_set_stream(struct v4l2_subdev *sd, int enable) { struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); struct i2c_client *client = v4l2_get_subdevdata(sd); int ret = 0; mutex_lock(&arducam_64mp->mutex); if (arducam_64mp->streaming == enable) { mutex_unlock(&arducam_64mp->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 = arducam_64mp_start_streaming(arducam_64mp); if (ret) goto err_rpm_put; } else { arducam_64mp_stop_streaming(arducam_64mp); pm_runtime_put(&client->dev); } arducam_64mp->streaming = enable; /* vflip and hflip cannot change during streaming */ __v4l2_ctrl_grab(arducam_64mp->vflip, enable); __v4l2_ctrl_grab(arducam_64mp->hflip, enable); mutex_unlock(&arducam_64mp->mutex); return ret; err_rpm_put: pm_runtime_put(&client->dev); err_unlock: mutex_unlock(&arducam_64mp->mutex); return ret; } /* Power/clock management functions */ static int arducam_64mp_power_on(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); int ret; ret = regulator_bulk_enable(ARDUCAM_64MP_NUM_SUPPLIES, arducam_64mp->supplies); if (ret) { dev_err(&client->dev, "%s: failed to enable regulators\n", __func__); return ret; } ret = clk_prepare_enable(arducam_64mp->xclk); if (ret) { dev_err(&client->dev, "%s: failed to enable clock\n", __func__); goto reg_off; } gpiod_set_value_cansleep(arducam_64mp->reset_gpio, 1); usleep_range(ARDUCAM_64MP_XCLR_MIN_DELAY_US, ARDUCAM_64MP_XCLR_MIN_DELAY_US + ARDUCAM_64MP_XCLR_DELAY_RANGE_US); return 0; reg_off: regulator_bulk_disable(ARDUCAM_64MP_NUM_SUPPLIES, arducam_64mp->supplies); return ret; } static int arducam_64mp_power_off(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); gpiod_set_value_cansleep(arducam_64mp->reset_gpio, 0); regulator_bulk_disable(ARDUCAM_64MP_NUM_SUPPLIES, arducam_64mp->supplies); clk_disable_unprepare(arducam_64mp->xclk); /* Force reprogramming of the common registers when powered up again. */ arducam_64mp->common_regs_written = false; return 0; } static int __maybe_unused arducam_64mp_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); if (arducam_64mp->streaming) arducam_64mp_stop_streaming(arducam_64mp); return 0; } static int __maybe_unused arducam_64mp_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); int ret; if (arducam_64mp->streaming) { ret = arducam_64mp_start_streaming(arducam_64mp); if (ret) goto error; } return 0; error: arducam_64mp_stop_streaming(arducam_64mp); arducam_64mp->streaming = 0; return ret; } static int arducam_64mp_get_regulators(struct arducam_64mp *arducam_64mp) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); unsigned int i; for (i = 0; i < ARDUCAM_64MP_NUM_SUPPLIES; i++) arducam_64mp->supplies[i].supply = arducam_64mp_supply_name[i]; return devm_regulator_bulk_get(&client->dev, ARDUCAM_64MP_NUM_SUPPLIES, arducam_64mp->supplies); } /* Verify chip ID */ static int arducam_64mp_identify_module(struct arducam_64mp *arducam_64mp) { struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); struct i2c_client *arducam_identifier; int ret; u32 val; arducam_identifier = i2c_new_dummy_device(client->adapter, 0x50); if (IS_ERR(arducam_identifier)) { dev_err(&client->dev, "failed to create arducam_identifier\n"); return PTR_ERR(arducam_identifier); } ret = arducam_64mp_read_reg(arducam_identifier, ARDUCAM_64MP_REG_CHIP_ID, ARDUCAM_64MP_REG_VALUE_16BIT, &val); if (ret) { dev_err(&client->dev, "failed to read chip id %x, with error %d\n", ARDUCAM_64MP_CHIP_ID, ret); goto error; } if (val != ARDUCAM_64MP_CHIP_ID) { dev_err(&client->dev, "chip id mismatch: %x!=%x\n", ARDUCAM_64MP_CHIP_ID, val); ret = -EIO; goto error; } dev_info(&client->dev, "Device found Arducam 64MP.\n"); error: i2c_unregister_device(arducam_identifier); return ret; } static const struct v4l2_subdev_core_ops arducam_64mp_core_ops = { .subscribe_event = v4l2_ctrl_subdev_subscribe_event, .unsubscribe_event = v4l2_event_subdev_unsubscribe, }; static const struct v4l2_subdev_video_ops arducam_64mp_video_ops = { .s_stream = arducam_64mp_set_stream, }; static const struct v4l2_subdev_pad_ops arducam_64mp_pad_ops = { .enum_mbus_code = arducam_64mp_enum_mbus_code, .get_fmt = arducam_64mp_get_pad_format, .set_fmt = arducam_64mp_set_pad_format, .get_selection = arducam_64mp_get_selection, .enum_frame_size = arducam_64mp_enum_frame_size, }; static const struct v4l2_subdev_ops arducam_64mp_subdev_ops = { .core = &arducam_64mp_core_ops, .video = &arducam_64mp_video_ops, .pad = &arducam_64mp_pad_ops, }; static const struct v4l2_subdev_internal_ops arducam_64mp_internal_ops = { .open = arducam_64mp_open, }; /* Initialize control handlers */ static int arducam_64mp_init_controls(struct arducam_64mp *arducam_64mp) { struct v4l2_ctrl_handler *ctrl_hdlr; struct i2c_client *client = v4l2_get_subdevdata(&arducam_64mp->sd); struct v4l2_fwnode_device_properties props; struct v4l2_ctrl *link_freq; unsigned int i; int ret; u8 test_pattern_max; u8 link_freq_max; ctrl_hdlr = &arducam_64mp->ctrl_handler; ret = v4l2_ctrl_handler_init(ctrl_hdlr, 16); if (ret) return ret; mutex_init(&arducam_64mp->mutex); ctrl_hdlr->lock = &arducam_64mp->mutex; /* By default, PIXEL_RATE is read only */ arducam_64mp->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_PIXEL_RATE, ARDUCAM_64MP_PIXEL_RATE, ARDUCAM_64MP_PIXEL_RATE, 1, ARDUCAM_64MP_PIXEL_RATE); /* LINK_FREQ is also read only */ link_freq_max = ARRAY_SIZE(arducam_64mp_link_freq_menu) - 1; link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_LINK_FREQ, link_freq_max, 0, arducam_64mp_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 arducam_64mp_set_framing_limits() call below. */ arducam_64mp->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_VBLANK, 0, 0xffff, 1, 0); arducam_64mp->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_HBLANK, 0, 0xffff, 1, 0); /* HBLANK is read-only, but does change with mode. */ if (arducam_64mp->hblank) arducam_64mp->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; arducam_64mp->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_EXPOSURE, ARDUCAM_64MP_EXPOSURE_MIN, ARDUCAM_64MP_EXPOSURE_MAX, ARDUCAM_64MP_EXPOSURE_STEP, ARDUCAM_64MP_EXPOSURE_DEFAULT); v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, ARDUCAM_64MP_ANA_GAIN_MIN, ARDUCAM_64MP_ANA_GAIN_MAX, ARDUCAM_64MP_ANA_GAIN_STEP, ARDUCAM_64MP_ANA_GAIN_DEFAULT); v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_DIGITAL_GAIN, ARDUCAM_64MP_DGTL_GAIN_MIN, ARDUCAM_64MP_DGTL_GAIN_MAX, ARDUCAM_64MP_DGTL_GAIN_STEP, ARDUCAM_64MP_DGTL_GAIN_DEFAULT); arducam_64mp->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); if (arducam_64mp->hflip) arducam_64mp->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; arducam_64mp->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); if (arducam_64mp->vflip) arducam_64mp->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; test_pattern_max = ARRAY_SIZE(arducam_64mp_test_pattern_menu) - 1; v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &arducam_64mp_ctrl_ops, V4L2_CID_TEST_PATTERN, test_pattern_max, 0, 0, arducam_64mp_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, &arducam_64mp_ctrl_ops, V4L2_CID_TEST_PATTERN_RED + i, ARDUCAM_64MP_TEST_PATTERN_COLOUR_MIN, ARDUCAM_64MP_TEST_PATTERN_COLOUR_MAX, ARDUCAM_64MP_TEST_PATTERN_COLOUR_STEP, ARDUCAM_64MP_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, &arducam_64mp_ctrl_ops, &props); if (ret) goto error; arducam_64mp->sd.ctrl_handler = ctrl_hdlr; /* Setup exposure and frame/line length limits. */ arducam_64mp_set_framing_limits(arducam_64mp); return 0; error: v4l2_ctrl_handler_free(ctrl_hdlr); mutex_destroy(&arducam_64mp->mutex); return ret; } static void arducam_64mp_free_controls(struct arducam_64mp *arducam_64mp) { v4l2_ctrl_handler_free(arducam_64mp->sd.ctrl_handler); mutex_destroy(&arducam_64mp->mutex); } static int arducam_64mp_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] != ARDUCAM_64MP_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 arducam_64mp_dt_ids[] = { { .compatible = "arducam,64mp"}, { /* sentinel */ } }; static int arducam_64mp_probe(struct i2c_client *client) { struct device *dev = &client->dev; struct arducam_64mp *arducam_64mp; const struct of_device_id *match; u32 xclk_freq; int ret; arducam_64mp = devm_kzalloc(&client->dev, sizeof(*arducam_64mp), GFP_KERNEL); if (!arducam_64mp) return -ENOMEM; v4l2_i2c_subdev_init(&arducam_64mp->sd, client, &arducam_64mp_subdev_ops); match = of_match_device(arducam_64mp_dt_ids, dev); if (!match) return -ENODEV; /* Check the hardware configuration in device tree */ if (arducam_64mp_check_hwcfg(dev)) return -EINVAL; /* Get system clock (xclk) */ arducam_64mp->xclk = devm_clk_get(dev, NULL); if (IS_ERR(arducam_64mp->xclk)) { dev_err(dev, "failed to get xclk\n"); return PTR_ERR(arducam_64mp->xclk); } xclk_freq = clk_get_rate(arducam_64mp->xclk); if (xclk_freq != ARDUCAM_64MP_XCLK_FREQ) { dev_err(dev, "xclk frequency not supported: %d Hz\n", xclk_freq); return -EINVAL; } ret = arducam_64mp_get_regulators(arducam_64mp); if (ret) { dev_err(dev, "failed to get regulators\n"); return ret; } /* Request optional enable pin */ arducam_64mp->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); /* * The sensor must be powered for arducam_64mp_identify_module() * to be able to read the CHIP_ID from arducam_identifier. */ ret = arducam_64mp_power_on(dev); if (ret) return ret; ret = arducam_64mp_identify_module(arducam_64mp); if (ret) goto error_power_off; /* Set default mode to max resolution */ arducam_64mp->mode = &supported_modes[0]; arducam_64mp->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 = arducam_64mp_init_controls(arducam_64mp); if (ret) goto error_power_off; /* Initialize subdev */ arducam_64mp->sd.internal_ops = &arducam_64mp_internal_ops; arducam_64mp->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; arducam_64mp->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; /* Initialize source pads */ arducam_64mp->pad[IMAGE_PAD].flags = MEDIA_PAD_FL_SOURCE; arducam_64mp->pad[METADATA_PAD].flags = MEDIA_PAD_FL_SOURCE; ret = media_entity_pads_init(&arducam_64mp->sd.entity, NUM_PADS, arducam_64mp->pad); if (ret) { dev_err(dev, "failed to init entity pads: %d\n", ret); goto error_handler_free; } ret = v4l2_async_register_subdev_sensor(&arducam_64mp->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(&arducam_64mp->sd.entity); error_handler_free: arducam_64mp_free_controls(arducam_64mp); error_power_off: pm_runtime_disable(&client->dev); pm_runtime_set_suspended(&client->dev); arducam_64mp_power_off(&client->dev); return ret; } static void arducam_64mp_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct arducam_64mp *arducam_64mp = to_arducam_64mp(sd); v4l2_async_unregister_subdev(sd); media_entity_cleanup(&sd->entity); arducam_64mp_free_controls(arducam_64mp); pm_runtime_disable(&client->dev); if (!pm_runtime_status_suspended(&client->dev)) arducam_64mp_power_off(&client->dev); pm_runtime_set_suspended(&client->dev); } MODULE_DEVICE_TABLE(of, arducam_64mp_dt_ids); static const struct dev_pm_ops arducam_64mp_pm_ops = { SET_SYSTEM_SLEEP_PM_OPS(arducam_64mp_suspend, arducam_64mp_resume) SET_RUNTIME_PM_OPS(arducam_64mp_power_off, arducam_64mp_power_on, NULL) }; static struct i2c_driver arducam_64mp_i2c_driver = { .driver = { .name = "arducam_64mp", .of_match_table = arducam_64mp_dt_ids, .pm = &arducam_64mp_pm_ops, }, .probe = arducam_64mp_probe, .remove = arducam_64mp_remove, }; module_i2c_driver(arducam_64mp_i2c_driver); MODULE_AUTHOR("Lee Jackson "); MODULE_DESCRIPTION("Arducam 64MP sensor driver"); MODULE_LICENSE("GPL v2");