| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Driver for GalaxyCore gc05a2 image sensor |
| * |
| * Copyright 2024 MediaTek |
| * |
| * Zhi Mao <zhi.mao@mediatek.com> |
| */ |
| #include <linux/array_size.h> |
| #include <linux/bits.h> |
| #include <linux/clk.h> |
| #include <linux/container_of.h> |
| #include <linux/delay.h> |
| #include <linux/device.h> |
| #include <linux/err.h> |
| #include <linux/gpio/consumer.h> |
| #include <linux/math64.h> |
| #include <linux/mod_devicetable.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/property.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/types.h> |
| #include <linux/units.h> |
| |
| #include <media/v4l2-cci.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-event.h> |
| #include <media/v4l2-fwnode.h> |
| #include <media/v4l2-subdev.h> |
| |
| #define GC05A2_REG_TEST_PATTERN_EN CCI_REG8(0x008c) |
| #define GC05A2_REG_TEST_PATTERN_IDX CCI_REG8(0x008d) |
| #define GC05A2_TEST_PATTERN_EN 0x01 |
| |
| #define GC05A2_STREAMING_REG CCI_REG8(0x0100) |
| |
| #define GC05A2_FLIP_REG CCI_REG8(0x0101) |
| #define GC05A2_FLIP_H_MASK BIT(0) |
| #define GC05A2_FLIP_V_MASK BIT(1) |
| |
| #define GC05A2_EXP_REG CCI_REG16(0x0202) |
| #define GC05A2_EXP_MARGIN 16 |
| #define GC05A2_EXP_MIN 4 |
| #define GC05A2_EXP_STEP 1 |
| |
| #define GC05A2_AGAIN_REG CCI_REG16(0x0204) |
| #define GC05A2_AGAIN_MIN 1024 |
| #define GC05A2_AGAIN_MAX (1024 * 16) |
| #define GC05A2_AGAIN_STEP 1 |
| |
| #define GC05A2_FRAME_LENGTH_REG CCI_REG16(0x0340) |
| #define GC05A2_VTS_MAX 0xffff |
| |
| #define GC05A2_REG_CHIP_ID CCI_REG16(0x03f0) |
| #define GC05A2_CHIP_ID 0x05a2 |
| |
| #define GC05A2_NATIVE_WIDTH 2592 |
| #define GC05A2_NATIVE_HEIGHT 1944 |
| |
| #define GC05A2_DEFAULT_CLK_FREQ (24 * HZ_PER_MHZ) |
| #define GC05A2_MBUS_CODE MEDIA_BUS_FMT_SGRBG10_1X10 |
| #define GC05A2_DATA_LANES 2 |
| #define GC05A2_RGB_DEPTH 10 |
| #define GC05A2_SLEEP_US (2 * USEC_PER_MSEC) |
| |
| static const char *const gc05a2_test_pattern_menu[] = { |
| "No Pattern", "Fade_to_gray_Color Bar", "Color Bar", |
| "PN9", "Horizental_gradient", "Checkboard Pattern", |
| "Slant", "Resolution", "Solid Black", |
| "Solid White", |
| }; |
| |
| static const s64 gc05a2_link_freq_menu_items[] = { |
| (448 * HZ_PER_MHZ), |
| (224 * HZ_PER_MHZ), |
| }; |
| |
| static const char *const gc05a2_supply_name[] = { |
| "avdd", |
| "dvdd", |
| "dovdd", |
| }; |
| |
| struct gc05a2 { |
| struct device *dev; |
| struct v4l2_subdev sd; |
| struct media_pad pad; |
| |
| struct clk *xclk; |
| struct regulator_bulk_data supplies[ARRAY_SIZE(gc05a2_supply_name)]; |
| struct gpio_desc *reset_gpio; |
| |
| struct v4l2_ctrl_handler ctrls; |
| struct v4l2_ctrl *pixel_rate; |
| struct v4l2_ctrl *link_freq; |
| struct v4l2_ctrl *exposure; |
| struct v4l2_ctrl *vblank; |
| struct v4l2_ctrl *hblank; |
| struct v4l2_ctrl *hflip; |
| struct v4l2_ctrl *vflip; |
| |
| struct regmap *regmap; |
| unsigned long link_freq_bitmap; |
| |
| /* True if the device has been identified */ |
| bool identified; |
| const struct gc05a2_mode *cur_mode; |
| }; |
| |
| struct gc05a2_reg_list { |
| u32 num_of_regs; |
| const struct cci_reg_sequence *regs; |
| }; |
| |
| static const struct cci_reg_sequence mode_2592x1944[] = { |
| /* system */ |
| { CCI_REG8(0x0135), 0x01 }, |
| { CCI_REG8(0x0084), 0x21 }, |
| { CCI_REG8(0x0d05), 0xcc }, |
| { CCI_REG8(0x0218), 0x00 }, |
| { CCI_REG8(0x005e), 0x48 }, |
| { CCI_REG8(0x0d06), 0x01 }, |
| { CCI_REG8(0x0007), 0x16 }, |
| { CCI_REG8(0x0101), 0x00 }, |
| |
| /* analog */ |
| { CCI_REG8(0x0342), 0x07 }, |
| { CCI_REG8(0x0343), 0x28 }, |
| { CCI_REG8(0x0220), 0x07 }, |
| { CCI_REG8(0x0221), 0xd0 }, |
| { CCI_REG8(0x0202), 0x07 }, |
| { CCI_REG8(0x0203), 0x32 }, |
| { CCI_REG8(0x0340), 0x07 }, |
| { CCI_REG8(0x0341), 0xf0 }, |
| { CCI_REG8(0x0219), 0x00 }, |
| { CCI_REG8(0x0346), 0x00 }, |
| { CCI_REG8(0x0347), 0x04 }, |
| { CCI_REG8(0x0d14), 0x00 }, |
| { CCI_REG8(0x0d13), 0x05 }, |
| { CCI_REG8(0x0d16), 0x05 }, |
| { CCI_REG8(0x0d15), 0x1d }, |
| { CCI_REG8(0x00c0), 0x0a }, |
| { CCI_REG8(0x00c1), 0x30 }, |
| { CCI_REG8(0x034a), 0x07 }, |
| { CCI_REG8(0x034b), 0xa8 }, |
| { CCI_REG8(0x0e0a), 0x00 }, |
| { CCI_REG8(0x0e0b), 0x00 }, |
| { CCI_REG8(0x0e0e), 0x03 }, |
| { CCI_REG8(0x0e0f), 0x00 }, |
| { CCI_REG8(0x0e06), 0x0a }, |
| { CCI_REG8(0x0e23), 0x15 }, |
| { CCI_REG8(0x0e24), 0x15 }, |
| { CCI_REG8(0x0e2a), 0x10 }, |
| { CCI_REG8(0x0e2b), 0x10 }, |
| { CCI_REG8(0x0e17), 0x49 }, |
| { CCI_REG8(0x0e1b), 0x1c }, |
| { CCI_REG8(0x0e3a), 0x36 }, |
| { CCI_REG8(0x0d11), 0x84 }, |
| { CCI_REG8(0x0e52), 0x14 }, |
| { CCI_REG8(0x000b), 0x10 }, |
| { CCI_REG8(0x0008), 0x08 }, |
| { CCI_REG8(0x0223), 0x17 }, |
| { CCI_REG8(0x0d27), 0x39 }, |
| { CCI_REG8(0x0d22), 0x00 }, |
| { CCI_REG8(0x03f6), 0x0d }, |
| { CCI_REG8(0x0d04), 0x07 }, |
| { CCI_REG8(0x03f3), 0x72 }, |
| { CCI_REG8(0x03f4), 0xb8 }, |
| { CCI_REG8(0x03f5), 0xbc }, |
| { CCI_REG8(0x0d02), 0x73 }, |
| |
| /* auto load start */ |
| { CCI_REG8(0x00cb), 0x00 }, |
| |
| /* OUT 2592*1944 */ |
| { CCI_REG8(0x0350), 0x01 }, |
| { CCI_REG8(0x0353), 0x00 }, |
| { CCI_REG8(0x0354), 0x08 }, |
| { CCI_REG16(0x034c), 2592 }, /* Width */ |
| { CCI_REG8(0x021f), 0x14 }, |
| |
| /* MIPI */ |
| { CCI_REG8(0x0107), 0x05 }, |
| { CCI_REG8(0x0117), 0x01 }, |
| { CCI_REG8(0x0d81), 0x00 }, |
| { CCI_REG8(0x0d84), 0x0c }, |
| { CCI_REG8(0x0d85), 0xa8 }, |
| { CCI_REG8(0x0d86), 0x06 }, |
| { CCI_REG8(0x0d87), 0x55 }, |
| { CCI_REG8(0x0db3), 0x06 }, |
| { CCI_REG8(0x0db4), 0x08 }, |
| { CCI_REG8(0x0db5), 0x1e }, |
| { CCI_REG8(0x0db6), 0x02 }, |
| { CCI_REG8(0x0db8), 0x12 }, |
| { CCI_REG8(0x0db9), 0x0a }, |
| { CCI_REG8(0x0d93), 0x06 }, |
| { CCI_REG8(0x0d94), 0x09 }, |
| { CCI_REG8(0x0d95), 0x0d }, |
| { CCI_REG8(0x0d99), 0x0b }, |
| { CCI_REG8(0x0084), 0x01 }, |
| { CCI_REG8(0x0110), 0x01 }, |
| }; |
| |
| static const struct cci_reg_sequence mode_1280x720[] = { |
| /* system */ |
| { CCI_REG8(0x0135), 0x05 }, |
| { CCI_REG8(0x0084), 0x21 }, |
| { CCI_REG8(0x0d05), 0xcc }, |
| { CCI_REG8(0x0218), 0x80 }, |
| { CCI_REG8(0x005e), 0x49 }, |
| { CCI_REG8(0x0d06), 0x81 }, |
| { CCI_REG8(0x0007), 0x16 }, |
| { CCI_REG8(0x0101), 0x00 }, |
| |
| /* analog */ |
| { CCI_REG8(0x0342), 0x07 }, |
| { CCI_REG8(0x0343), 0x10 }, |
| { CCI_REG8(0x0220), 0x07 }, |
| { CCI_REG8(0x0221), 0xd0 }, |
| { CCI_REG8(0x0202), 0x03 }, |
| { CCI_REG8(0x0203), 0x32 }, |
| { CCI_REG8(0x0340), 0x04 }, |
| { CCI_REG8(0x0341), 0x08 }, |
| { CCI_REG8(0x0219), 0x00 }, |
| { CCI_REG8(0x0346), 0x01 }, |
| { CCI_REG8(0x0347), 0x00 }, |
| { CCI_REG8(0x0d14), 0x00 }, |
| { CCI_REG8(0x0d13), 0x05 }, |
| { CCI_REG8(0x0d16), 0x05 }, |
| { CCI_REG8(0x0d15), 0x1d }, |
| { CCI_REG8(0x00c0), 0x0a }, |
| { CCI_REG8(0x00c1), 0x30 }, |
| { CCI_REG8(0x034a), 0x05 }, |
| { CCI_REG8(0x034b), 0xb0 }, |
| { CCI_REG8(0x0e0a), 0x00 }, |
| { CCI_REG8(0x0e0b), 0x00 }, |
| { CCI_REG8(0x0e0e), 0x03 }, |
| { CCI_REG8(0x0e0f), 0x00 }, |
| { CCI_REG8(0x0e06), 0x0a }, |
| { CCI_REG8(0x0e23), 0x15 }, |
| { CCI_REG8(0x0e24), 0x15 }, |
| { CCI_REG8(0x0e2a), 0x10 }, |
| { CCI_REG8(0x0e2b), 0x10 }, |
| { CCI_REG8(0x0e17), 0x49 }, |
| { CCI_REG8(0x0e1b), 0x1c }, |
| { CCI_REG8(0x0e3a), 0x36 }, |
| { CCI_REG8(0x0d11), 0x84 }, |
| { CCI_REG8(0x0e52), 0x14 }, |
| { CCI_REG8(0x000b), 0x0e }, |
| { CCI_REG8(0x0008), 0x03 }, |
| { CCI_REG8(0x0223), 0x16 }, |
| { CCI_REG8(0x0d27), 0x39 }, |
| { CCI_REG8(0x0d22), 0x00 }, |
| { CCI_REG8(0x03f6), 0x0d }, |
| { CCI_REG8(0x0d04), 0x07 }, |
| { CCI_REG8(0x03f3), 0x72 }, |
| { CCI_REG8(0x03f4), 0xb8 }, |
| { CCI_REG8(0x03f5), 0xbc }, |
| { CCI_REG8(0x0d02), 0x73 }, |
| |
| /* auto load start */ |
| { CCI_REG8(0x00cb), 0xfc }, |
| |
| /* OUT 1280x720 */ |
| { CCI_REG8(0x0350), 0x01 }, |
| { CCI_REG8(0x0353), 0x00 }, |
| { CCI_REG8(0x0354), 0x0c }, |
| { CCI_REG16(0x034c), 1280 }, /* Width */ |
| { CCI_REG8(0x021f), 0x14 }, |
| |
| /* MIPI */ |
| { CCI_REG8(0x0107), 0x05 }, |
| { CCI_REG8(0x0117), 0x01 }, |
| { CCI_REG8(0x0d81), 0x00 }, |
| { CCI_REG8(0x0d84), 0x06 }, |
| { CCI_REG8(0x0d85), 0x40 }, |
| { CCI_REG8(0x0d86), 0x03 }, |
| { CCI_REG8(0x0d87), 0x21 }, |
| { CCI_REG8(0x0db3), 0x03 }, |
| { CCI_REG8(0x0db4), 0x04 }, |
| { CCI_REG8(0x0db5), 0x0d }, |
| { CCI_REG8(0x0db6), 0x01 }, |
| { CCI_REG8(0x0db8), 0x04 }, |
| { CCI_REG8(0x0db9), 0x06 }, |
| { CCI_REG8(0x0d93), 0x03 }, |
| { CCI_REG8(0x0d94), 0x04 }, |
| { CCI_REG8(0x0d95), 0x05 }, |
| { CCI_REG8(0x0d99), 0x06 }, |
| { CCI_REG8(0x0084), 0x01 }, |
| { CCI_REG8(0x0110), 0x01 }, |
| }; |
| |
| static const struct cci_reg_sequence mode_table_common[] = { |
| { GC05A2_STREAMING_REG, 0x00 }, |
| /* system */ |
| { CCI_REG8(0x0315), 0xd4 }, |
| { CCI_REG8(0x0d06), 0x01 }, |
| { CCI_REG8(0x0a70), 0x80 }, |
| { CCI_REG8(0x031a), 0x00 }, |
| { CCI_REG8(0x0314), 0x00 }, |
| { CCI_REG8(0x0130), 0x08 }, |
| { CCI_REG8(0x0132), 0x01 }, |
| { CCI_REG8(0x0136), 0x38 }, |
| { CCI_REG8(0x0137), 0x03 }, |
| { CCI_REG8(0x0134), 0x5b }, |
| { CCI_REG8(0x031c), 0xe0 }, |
| { CCI_REG8(0x0d82), 0x14 }, |
| { CCI_REG8(0x0dd1), 0x56 }, |
| { CCI_REG8(0x0af4), 0x01 }, |
| { CCI_REG8(0x0002), 0x10 }, |
| { CCI_REG8(0x00c3), 0x34 }, |
| { CCI_REG8(0x00c4), 0x00 }, |
| { CCI_REG8(0x00c5), 0x01 }, |
| { CCI_REG8(0x0af6), 0x00 }, |
| { CCI_REG8(0x0ba0), 0x17 }, |
| { CCI_REG8(0x0ba1), 0x00 }, |
| { CCI_REG8(0x0ba2), 0x00 }, |
| { CCI_REG8(0x0ba3), 0x00 }, |
| { CCI_REG8(0x0ba4), 0x03 }, |
| { CCI_REG8(0x0ba5), 0x00 }, |
| { CCI_REG8(0x0ba6), 0x00 }, |
| { CCI_REG8(0x0ba7), 0x00 }, |
| { CCI_REG8(0x0ba8), 0x40 }, |
| { CCI_REG8(0x0ba9), 0x00 }, |
| { CCI_REG8(0x0baa), 0x00 }, |
| { CCI_REG8(0x0bab), 0x00 }, |
| { CCI_REG8(0x0bac), 0x40 }, |
| { CCI_REG8(0x0bad), 0x00 }, |
| { CCI_REG8(0x0bae), 0x00 }, |
| { CCI_REG8(0x0baf), 0x00 }, |
| { CCI_REG8(0x0bb0), 0x02 }, |
| { CCI_REG8(0x0bb1), 0x00 }, |
| { CCI_REG8(0x0bb2), 0x00 }, |
| { CCI_REG8(0x0bb3), 0x00 }, |
| { CCI_REG8(0x0bb8), 0x02 }, |
| { CCI_REG8(0x0bb9), 0x00 }, |
| { CCI_REG8(0x0bba), 0x00 }, |
| { CCI_REG8(0x0bbb), 0x00 }, |
| { CCI_REG8(0x0a70), 0x80 }, |
| { CCI_REG8(0x0a71), 0x00 }, |
| { CCI_REG8(0x0a72), 0x00 }, |
| { CCI_REG8(0x0a66), 0x00 }, |
| { CCI_REG8(0x0a67), 0x80 }, |
| { CCI_REG8(0x0a4d), 0x4e }, |
| { CCI_REG8(0x0a50), 0x00 }, |
| { CCI_REG8(0x0a4f), 0x0c }, |
| { CCI_REG8(0x0a66), 0x00 }, |
| { CCI_REG8(0x00ca), 0x00 }, |
| { CCI_REG8(0x00cc), 0x00 }, |
| { CCI_REG8(0x00cd), 0x00 }, |
| { CCI_REG8(0x0aa1), 0x00 }, |
| { CCI_REG8(0x0aa2), 0xe0 }, |
| { CCI_REG8(0x0aa3), 0x00 }, |
| { CCI_REG8(0x0aa4), 0x40 }, |
| { CCI_REG8(0x0a90), 0x03 }, |
| { CCI_REG8(0x0a91), 0x0e }, |
| { CCI_REG8(0x0a94), 0x80 }, |
| { CCI_REG8(0x0af6), 0x20 }, |
| { CCI_REG8(0x0b00), 0x91 }, |
| { CCI_REG8(0x0b01), 0x17 }, |
| { CCI_REG8(0x0b02), 0x01 }, |
| { CCI_REG8(0x0b03), 0x00 }, |
| { CCI_REG8(0x0b04), 0x01 }, |
| { CCI_REG8(0x0b05), 0x17 }, |
| { CCI_REG8(0x0b06), 0x01 }, |
| { CCI_REG8(0x0b07), 0x00 }, |
| { CCI_REG8(0x0ae9), 0x01 }, |
| { CCI_REG8(0x0aea), 0x02 }, |
| { CCI_REG8(0x0ae8), 0x53 }, |
| { CCI_REG8(0x0ae8), 0x43 }, |
| { CCI_REG8(0x0af6), 0x30 }, |
| { CCI_REG8(0x0b00), 0x08 }, |
| { CCI_REG8(0x0b01), 0x0f }, |
| { CCI_REG8(0x0b02), 0x00 }, |
| { CCI_REG8(0x0b04), 0x1c }, |
| { CCI_REG8(0x0b05), 0x24 }, |
| { CCI_REG8(0x0b06), 0x00 }, |
| { CCI_REG8(0x0b08), 0x30 }, |
| { CCI_REG8(0x0b09), 0x40 }, |
| { CCI_REG8(0x0b0a), 0x00 }, |
| { CCI_REG8(0x0b0c), 0x0e }, |
| { CCI_REG8(0x0b0d), 0x2a }, |
| { CCI_REG8(0x0b0e), 0x00 }, |
| { CCI_REG8(0x0b10), 0x0e }, |
| { CCI_REG8(0x0b11), 0x2b }, |
| { CCI_REG8(0x0b12), 0x00 }, |
| { CCI_REG8(0x0b14), 0x0e }, |
| { CCI_REG8(0x0b15), 0x23 }, |
| { CCI_REG8(0x0b16), 0x00 }, |
| { CCI_REG8(0x0b18), 0x0e }, |
| { CCI_REG8(0x0b19), 0x24 }, |
| { CCI_REG8(0x0b1a), 0x00 }, |
| { CCI_REG8(0x0b1c), 0x0c }, |
| { CCI_REG8(0x0b1d), 0x0c }, |
| { CCI_REG8(0x0b1e), 0x00 }, |
| { CCI_REG8(0x0b20), 0x03 }, |
| { CCI_REG8(0x0b21), 0x03 }, |
| { CCI_REG8(0x0b22), 0x00 }, |
| { CCI_REG8(0x0b24), 0x0e }, |
| { CCI_REG8(0x0b25), 0x0e }, |
| { CCI_REG8(0x0b26), 0x00 }, |
| { CCI_REG8(0x0b28), 0x03 }, |
| { CCI_REG8(0x0b29), 0x03 }, |
| { CCI_REG8(0x0b2a), 0x00 }, |
| { CCI_REG8(0x0b2c), 0x12 }, |
| { CCI_REG8(0x0b2d), 0x12 }, |
| { CCI_REG8(0x0b2e), 0x00 }, |
| { CCI_REG8(0x0b30), 0x08 }, |
| { CCI_REG8(0x0b31), 0x08 }, |
| { CCI_REG8(0x0b32), 0x00 }, |
| { CCI_REG8(0x0b34), 0x14 }, |
| { CCI_REG8(0x0b35), 0x14 }, |
| { CCI_REG8(0x0b36), 0x00 }, |
| { CCI_REG8(0x0b38), 0x10 }, |
| { CCI_REG8(0x0b39), 0x10 }, |
| { CCI_REG8(0x0b3a), 0x00 }, |
| { CCI_REG8(0x0b3c), 0x16 }, |
| { CCI_REG8(0x0b3d), 0x16 }, |
| { CCI_REG8(0x0b3e), 0x00 }, |
| { CCI_REG8(0x0b40), 0x10 }, |
| { CCI_REG8(0x0b41), 0x10 }, |
| { CCI_REG8(0x0b42), 0x00 }, |
| { CCI_REG8(0x0b44), 0x19 }, |
| { CCI_REG8(0x0b45), 0x19 }, |
| { CCI_REG8(0x0b46), 0x00 }, |
| { CCI_REG8(0x0b48), 0x16 }, |
| { CCI_REG8(0x0b49), 0x16 }, |
| { CCI_REG8(0x0b4a), 0x00 }, |
| { CCI_REG8(0x0b4c), 0x19 }, |
| { CCI_REG8(0x0b4d), 0x19 }, |
| { CCI_REG8(0x0b4e), 0x00 }, |
| { CCI_REG8(0x0b50), 0x16 }, |
| { CCI_REG8(0x0b51), 0x16 }, |
| { CCI_REG8(0x0b52), 0x00 }, |
| { CCI_REG8(0x0b80), 0x01 }, |
| { CCI_REG8(0x0b81), 0x00 }, |
| { CCI_REG8(0x0b82), 0x00 }, |
| { CCI_REG8(0x0b84), 0x00 }, |
| { CCI_REG8(0x0b85), 0x00 }, |
| { CCI_REG8(0x0b86), 0x00 }, |
| { CCI_REG8(0x0b88), 0x01 }, |
| { CCI_REG8(0x0b89), 0x6a }, |
| { CCI_REG8(0x0b8a), 0x00 }, |
| { CCI_REG8(0x0b8c), 0x00 }, |
| { CCI_REG8(0x0b8d), 0x01 }, |
| { CCI_REG8(0x0b8e), 0x00 }, |
| { CCI_REG8(0x0b90), 0x01 }, |
| { CCI_REG8(0x0b91), 0xf6 }, |
| { CCI_REG8(0x0b92), 0x00 }, |
| { CCI_REG8(0x0b94), 0x00 }, |
| { CCI_REG8(0x0b95), 0x02 }, |
| { CCI_REG8(0x0b96), 0x00 }, |
| { CCI_REG8(0x0b98), 0x02 }, |
| { CCI_REG8(0x0b99), 0xc4 }, |
| { CCI_REG8(0x0b9a), 0x00 }, |
| { CCI_REG8(0x0b9c), 0x00 }, |
| { CCI_REG8(0x0b9d), 0x03 }, |
| { CCI_REG8(0x0b9e), 0x00 }, |
| { CCI_REG8(0x0ba0), 0x03 }, |
| { CCI_REG8(0x0ba1), 0xd8 }, |
| { CCI_REG8(0x0ba2), 0x00 }, |
| { CCI_REG8(0x0ba4), 0x00 }, |
| { CCI_REG8(0x0ba5), 0x04 }, |
| { CCI_REG8(0x0ba6), 0x00 }, |
| { CCI_REG8(0x0ba8), 0x05 }, |
| { CCI_REG8(0x0ba9), 0x4d }, |
| { CCI_REG8(0x0baa), 0x00 }, |
| { CCI_REG8(0x0bac), 0x00 }, |
| { CCI_REG8(0x0bad), 0x05 }, |
| { CCI_REG8(0x0bae), 0x00 }, |
| { CCI_REG8(0x0bb0), 0x07 }, |
| { CCI_REG8(0x0bb1), 0x3e }, |
| { CCI_REG8(0x0bb2), 0x00 }, |
| { CCI_REG8(0x0bb4), 0x00 }, |
| { CCI_REG8(0x0bb5), 0x06 }, |
| { CCI_REG8(0x0bb6), 0x00 }, |
| { CCI_REG8(0x0bb8), 0x0a }, |
| { CCI_REG8(0x0bb9), 0x1a }, |
| { CCI_REG8(0x0bba), 0x00 }, |
| { CCI_REG8(0x0bbc), 0x09 }, |
| { CCI_REG8(0x0bbd), 0x36 }, |
| { CCI_REG8(0x0bbe), 0x00 }, |
| { CCI_REG8(0x0bc0), 0x0e }, |
| { CCI_REG8(0x0bc1), 0x66 }, |
| { CCI_REG8(0x0bc2), 0x00 }, |
| { CCI_REG8(0x0bc4), 0x10 }, |
| { CCI_REG8(0x0bc5), 0x06 }, |
| { CCI_REG8(0x0bc6), 0x00 }, |
| { CCI_REG8(0x02c1), 0xe0 }, |
| { CCI_REG8(0x0207), 0x04 }, |
| { CCI_REG8(0x02c2), 0x10 }, |
| { CCI_REG8(0x02c3), 0x74 }, |
| { CCI_REG8(0x02c5), 0x09 }, |
| { CCI_REG8(0x02c1), 0xe0 }, |
| { CCI_REG8(0x0207), 0x04 }, |
| { CCI_REG8(0x02c2), 0x10 }, |
| { CCI_REG8(0x02c5), 0x09 }, |
| { CCI_REG8(0x02c1), 0xe0 }, |
| { CCI_REG8(0x0207), 0x04 }, |
| { CCI_REG8(0x02c2), 0x10 }, |
| { CCI_REG8(0x02c5), 0x09 }, |
| { CCI_REG8(0x0aa1), 0x15 }, |
| { CCI_REG8(0x0aa2), 0x50 }, |
| { CCI_REG8(0x0aa3), 0x00 }, |
| { CCI_REG8(0x0aa4), 0x09 }, |
| { CCI_REG8(0x0a90), 0x25 }, |
| { CCI_REG8(0x0a91), 0x0e }, |
| { CCI_REG8(0x0a94), 0x80 }, |
| |
| /* ISP */ |
| { CCI_REG8(0x0050), 0x00 }, |
| { CCI_REG8(0x0089), 0x83 }, |
| { CCI_REG8(0x005a), 0x40 }, |
| { CCI_REG8(0x00c3), 0x35 }, |
| { CCI_REG8(0x00c4), 0x80 }, |
| { CCI_REG8(0x0080), 0x10 }, |
| { CCI_REG8(0x0040), 0x12 }, |
| { CCI_REG8(0x0053), 0x0a }, |
| { CCI_REG8(0x0054), 0x44 }, |
| { CCI_REG8(0x0055), 0x32 }, |
| { CCI_REG8(0x0058), 0x89 }, |
| { CCI_REG8(0x004a), 0x03 }, |
| { CCI_REG8(0x0048), 0xf0 }, |
| { CCI_REG8(0x0049), 0x0f }, |
| { CCI_REG8(0x0041), 0x20 }, |
| { CCI_REG8(0x0043), 0x0a }, |
| { CCI_REG8(0x009d), 0x08 }, |
| { CCI_REG8(0x0236), 0x40 }, |
| { CCI_REG8(0x0204), 0x04 }, |
| { CCI_REG8(0x0205), 0x00 }, |
| { CCI_REG8(0x02b3), 0x00 }, |
| { CCI_REG8(0x02b4), 0x00 }, |
| { CCI_REG8(0x009e), 0x01 }, |
| { CCI_REG8(0x009f), 0x94 }, |
| |
| /* auto load REG */ |
| { CCI_REG8(0x0aa1), 0x10 }, |
| { CCI_REG8(0x0aa2), 0xf8 }, |
| { CCI_REG8(0x0aa3), 0x00 }, |
| { CCI_REG8(0x0aa4), 0x1f }, |
| { CCI_REG8(0x0a90), 0x11 }, |
| { CCI_REG8(0x0a91), 0x0e }, |
| { CCI_REG8(0x0a94), 0x80 }, |
| { CCI_REG8(0x03fe), 0x00 }, |
| { CCI_REG8(0x0a90), 0x00 }, |
| { CCI_REG8(0x0a70), 0x00 }, |
| { CCI_REG8(0x0a67), 0x00 }, |
| { CCI_REG8(0x0af4), 0x29 }, |
| |
| /* DPHY */ |
| { CCI_REG8(0x0d80), 0x07 }, |
| { CCI_REG8(0x0dd3), 0x18 }, |
| |
| /* CISCTL_Reset */ |
| { CCI_REG8(0x031c), 0x80 }, |
| { CCI_REG8(0x03fe), 0x30 }, |
| { CCI_REG8(0x0d17), 0x06 }, |
| { CCI_REG8(0x03fe), 0x00 }, |
| { CCI_REG8(0x0d17), 0x00 }, |
| { CCI_REG8(0x031c), 0x93 }, |
| { CCI_REG8(0x03fe), 0x00 }, |
| { CCI_REG8(0x031c), 0x80 }, |
| { CCI_REG8(0x03fe), 0x30 }, |
| { CCI_REG8(0x0d17), 0x06 }, |
| { CCI_REG8(0x03fe), 0x00 }, |
| { CCI_REG8(0x0d17), 0x00 }, |
| { CCI_REG8(0x031c), 0x93 }, |
| }; |
| |
| struct gc05a2_mode { |
| u32 width; |
| u32 height; |
| const struct gc05a2_reg_list reg_list; |
| |
| u32 hts; /* Horizontal timining size */ |
| u32 vts_def; /* Default vertical timining size */ |
| u32 vts_min; /* Min vertical timining size */ |
| }; |
| |
| /* Declare modes in order, from biggest to smallest height. */ |
| static const struct gc05a2_mode gc05a2_modes[] = { |
| { |
| /* 2592*1944@30fps */ |
| .width = GC05A2_NATIVE_WIDTH, |
| .height = GC05A2_NATIVE_HEIGHT, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_2592x1944), |
| .regs = mode_2592x1944, |
| }, |
| .hts = 3664, |
| .vts_def = 2032, |
| .vts_min = 2032, |
| }, |
| { |
| /* 1280*720@60fps */ |
| .width = 1280, |
| .height = 720, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1280x720), |
| .regs = mode_1280x720, |
| }, |
| .hts = 3616, |
| .vts_def = 1032, |
| .vts_min = 1032, |
| }, |
| }; |
| |
| static inline struct gc05a2 *to_gc05a2(struct v4l2_subdev *sd) |
| { |
| return container_of(sd, struct gc05a2, sd); |
| } |
| |
| static int gc05a2_power_on(struct device *dev) |
| { |
| struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| struct gc05a2 *gc05a2 = to_gc05a2(sd); |
| int ret; |
| |
| ret = regulator_bulk_enable(ARRAY_SIZE(gc05a2_supply_name), |
| gc05a2->supplies); |
| if (ret < 0) { |
| dev_err(gc05a2->dev, "failed to enable regulators: %d\n", ret); |
| return ret; |
| } |
| |
| ret = clk_prepare_enable(gc05a2->xclk); |
| if (ret < 0) { |
| regulator_bulk_disable(ARRAY_SIZE(gc05a2_supply_name), |
| gc05a2->supplies); |
| dev_err(gc05a2->dev, "clk prepare enable failed\n"); |
| return ret; |
| } |
| |
| fsleep(GC05A2_SLEEP_US); |
| |
| gpiod_set_value_cansleep(gc05a2->reset_gpio, 0); |
| fsleep(GC05A2_SLEEP_US); |
| |
| return 0; |
| } |
| |
| static int gc05a2_power_off(struct device *dev) |
| { |
| struct v4l2_subdev *sd = dev_get_drvdata(dev); |
| struct gc05a2 *gc05a2 = to_gc05a2(sd); |
| |
| clk_disable_unprepare(gc05a2->xclk); |
| gpiod_set_value_cansleep(gc05a2->reset_gpio, 1); |
| regulator_bulk_disable(ARRAY_SIZE(gc05a2_supply_name), |
| gc05a2->supplies); |
| |
| return 0; |
| } |
| |
| static int gc05a2_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| if (code->index > 0) |
| return -EINVAL; |
| |
| code->code = GC05A2_MBUS_CODE; |
| |
| return 0; |
| } |
| |
| static int gc05a2_enum_frame_size(struct v4l2_subdev *subdev, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_frame_size_enum *fse) |
| { |
| if (fse->code != GC05A2_MBUS_CODE) |
| return -EINVAL; |
| |
| if (fse->index >= ARRAY_SIZE(gc05a2_modes)) |
| return -EINVAL; |
| |
| fse->min_width = gc05a2_modes[fse->index].width; |
| fse->max_width = gc05a2_modes[fse->index].width; |
| fse->min_height = gc05a2_modes[fse->index].height; |
| fse->max_height = gc05a2_modes[fse->index].height; |
| |
| return 0; |
| } |
| |
| static int gc05a2_update_cur_mode_controls(struct gc05a2 *gc05a2, |
| const struct gc05a2_mode *mode) |
| { |
| s64 exposure_max, h_blank; |
| int ret; |
| |
| ret = __v4l2_ctrl_modify_range(gc05a2->vblank, |
| mode->vts_min - mode->height, |
| GC05A2_VTS_MAX - mode->height, 1, |
| mode->vts_def - mode->height); |
| if (ret) { |
| dev_err(gc05a2->dev, "VB ctrl range update failed\n"); |
| return ret; |
| } |
| |
| h_blank = mode->hts - mode->width; |
| ret = __v4l2_ctrl_modify_range(gc05a2->hblank, h_blank, h_blank, 1, |
| h_blank); |
| if (ret) { |
| dev_err(gc05a2->dev, "HB ctrl range update failed\n"); |
| return ret; |
| } |
| |
| exposure_max = mode->vts_def - GC05A2_EXP_MARGIN; |
| ret = __v4l2_ctrl_modify_range(gc05a2->exposure, GC05A2_EXP_MIN, |
| exposure_max, GC05A2_EXP_STEP, |
| exposure_max); |
| if (ret) { |
| dev_err(gc05a2->dev, "exposure ctrl range update failed\n"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static void gc05a2_update_pad_format(struct gc05a2 *gc08a3, |
| const struct gc05a2_mode *mode, |
| struct v4l2_mbus_framefmt *fmt) |
| { |
| fmt->width = mode->width; |
| fmt->height = mode->height; |
| fmt->code = GC05A2_MBUS_CODE; |
| fmt->field = V4L2_FIELD_NONE; |
| fmt->colorspace = V4L2_COLORSPACE_RAW; |
| fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); |
| fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; |
| fmt->xfer_func = V4L2_XFER_FUNC_NONE; |
| } |
| |
| static int gc05a2_set_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct gc05a2 *gc05a2 = to_gc05a2(sd); |
| struct v4l2_mbus_framefmt *mbus_fmt; |
| struct v4l2_rect *crop; |
| const struct gc05a2_mode *mode; |
| |
| mode = v4l2_find_nearest_size(gc05a2_modes, ARRAY_SIZE(gc05a2_modes), |
| width, height, fmt->format.width, |
| fmt->format.height); |
| |
| /* update crop info to subdev state */ |
| crop = v4l2_subdev_state_get_crop(state, 0); |
| crop->width = mode->width; |
| crop->height = mode->height; |
| |
| /* update fmt info to subdev state */ |
| gc05a2_update_pad_format(gc05a2, mode, &fmt->format); |
| mbus_fmt = v4l2_subdev_state_get_format(state, 0); |
| *mbus_fmt = fmt->format; |
| |
| if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) |
| return 0; |
| gc05a2->cur_mode = mode; |
| gc05a2_update_cur_mode_controls(gc05a2, mode); |
| |
| return 0; |
| } |
| |
| static int gc05a2_get_selection(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *state, |
| struct v4l2_subdev_selection *sel) |
| { |
| switch (sel->target) { |
| case V4L2_SEL_TGT_CROP_DEFAULT: |
| case V4L2_SEL_TGT_CROP: |
| sel->r = *v4l2_subdev_state_get_crop(state, 0); |
| break; |
| case V4L2_SEL_TGT_CROP_BOUNDS: |
| sel->r.top = 0; |
| sel->r.left = 0; |
| sel->r.width = GC05A2_NATIVE_WIDTH; |
| sel->r.height = GC05A2_NATIVE_HEIGHT; |
| break; |
| default: |
| return -EINVAL; |
| } |
| |
| return 0; |
| } |
| |
| static int gc05a2_init_state(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *state) |
| { |
| struct v4l2_subdev_format fmt = { |
| .which = V4L2_SUBDEV_FORMAT_TRY, |
| .pad = 0, |
| .format = { |
| .code = GC05A2_MBUS_CODE, |
| .width = gc05a2_modes[0].width, |
| .height = gc05a2_modes[0].height, |
| }, |
| }; |
| |
| gc05a2_set_format(sd, state, &fmt); |
| |
| return 0; |
| } |
| |
| static int gc05a2_set_ctrl_hflip(struct gc05a2 *gc05a2, u32 ctrl_val) |
| { |
| int ret; |
| u64 val; |
| |
| ret = cci_read(gc05a2->regmap, GC05A2_FLIP_REG, &val, NULL); |
| if (ret) { |
| dev_err(gc05a2->dev, "read hflip register failed: %d\n", ret); |
| return ret; |
| } |
| |
| return cci_update_bits(gc05a2->regmap, GC05A2_FLIP_REG, |
| GC05A2_FLIP_H_MASK, |
| ctrl_val ? GC05A2_FLIP_H_MASK : 0, NULL); |
| } |
| |
| static int gc05a2_set_ctrl_vflip(struct gc05a2 *gc05a2, u32 ctrl_val) |
| { |
| int ret; |
| u64 val; |
| |
| ret = cci_read(gc05a2->regmap, GC05A2_FLIP_REG, &val, NULL); |
| if (ret) { |
| dev_err(gc05a2->dev, "read vflip register failed: %d\n", ret); |
| return ret; |
| } |
| |
| return cci_update_bits(gc05a2->regmap, GC05A2_FLIP_REG, |
| GC05A2_FLIP_V_MASK, |
| ctrl_val ? GC05A2_FLIP_V_MASK : 0, NULL); |
| } |
| |
| static int gc05a2_test_pattern(struct gc05a2 *gc05a2, u32 pattern_menu) |
| { |
| u32 pattern; |
| int ret; |
| |
| if (pattern_menu) { |
| switch (pattern_menu) { |
| case 1: |
| case 2: |
| case 3: |
| case 4: |
| case 5: |
| case 6: |
| case 7: |
| pattern = pattern_menu << 4; |
| break; |
| |
| case 8: |
| pattern = 0; |
| break; |
| |
| case 9: |
| pattern = 4; |
| break; |
| |
| default: |
| /* Set pattern to 0, it's a safe default. */ |
| pattern = 0; |
| break; |
| } |
| |
| ret = cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_IDX, |
| pattern, NULL); |
| if (ret) |
| return ret; |
| |
| return cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_EN, |
| GC05A2_TEST_PATTERN_EN, NULL); |
| } else { |
| return cci_write(gc05a2->regmap, GC05A2_REG_TEST_PATTERN_EN, |
| 0x00, NULL); |
| } |
| } |
| |
| static int gc05a2_set_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct gc05a2 *gc05a2 = |
| container_of(ctrl->handler, struct gc05a2, ctrls); |
| int ret = 0; |
| s64 exposure_max; |
| struct v4l2_subdev_state *state; |
| const struct v4l2_mbus_framefmt *format; |
| |
| state = v4l2_subdev_get_locked_active_state(&gc05a2->sd); |
| format = v4l2_subdev_state_get_format(state, 0); |
| |
| if (ctrl->id == V4L2_CID_VBLANK) { |
| /* Update max exposure while meeting expected vblanking */ |
| exposure_max = format->height + ctrl->val - GC05A2_EXP_MARGIN; |
| __v4l2_ctrl_modify_range(gc05a2->exposure, |
| gc05a2->exposure->minimum, |
| exposure_max, gc05a2->exposure->step, |
| exposure_max); |
| } |
| |
| /* |
| * Applying V4L2 control value only happens |
| * when power is on for streaming. |
| */ |
| if (!pm_runtime_get_if_active(gc05a2->dev)) |
| return 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_EXPOSURE: |
| ret = cci_write(gc05a2->regmap, GC05A2_EXP_REG, |
| ctrl->val, NULL); |
| break; |
| |
| case V4L2_CID_ANALOGUE_GAIN: |
| ret = cci_write(gc05a2->regmap, GC05A2_AGAIN_REG, |
| ctrl->val, NULL); |
| break; |
| |
| case V4L2_CID_VBLANK: |
| ret = cci_write(gc05a2->regmap, GC05A2_FRAME_LENGTH_REG, |
| gc05a2->cur_mode->height + ctrl->val, NULL); |
| break; |
| |
| case V4L2_CID_HFLIP: |
| ret = gc05a2_set_ctrl_hflip(gc05a2, ctrl->val); |
| break; |
| |
| case V4L2_CID_VFLIP: |
| ret = gc05a2_set_ctrl_vflip(gc05a2, ctrl->val); |
| break; |
| |
| case V4L2_CID_TEST_PATTERN: |
| ret = gc05a2_test_pattern(gc05a2, ctrl->val); |
| break; |
| |
| default: |
| break; |
| } |
| |
| pm_runtime_put(gc05a2->dev); |
| |
| return ret; |
| } |
| |
| static const struct v4l2_ctrl_ops gc05a2_ctrl_ops = { |
| .s_ctrl = gc05a2_set_ctrl, |
| }; |
| |
| static int gc05a2_identify_module(struct gc05a2 *gc05a2) |
| { |
| u64 val; |
| int ret; |
| |
| if (gc05a2->identified) |
| return 0; |
| |
| ret = cci_read(gc05a2->regmap, GC05A2_REG_CHIP_ID, &val, NULL); |
| if (ret) |
| return ret; |
| |
| if (val != GC05A2_CHIP_ID) { |
| dev_err(gc05a2->dev, "chip id mismatch: 0x%x!=0x%llx", |
| GC05A2_CHIP_ID, val); |
| return -ENXIO; |
| } |
| |
| gc05a2->identified = true; |
| |
| return 0; |
| } |
| |
| static int gc05a2_start_streaming(struct gc05a2 *gc05a2) |
| { |
| const struct gc05a2_mode *mode; |
| const struct gc05a2_reg_list *reg_list; |
| int ret; |
| |
| ret = pm_runtime_resume_and_get(gc05a2->dev); |
| if (ret < 0) |
| return ret; |
| |
| ret = gc05a2_identify_module(gc05a2); |
| if (ret) |
| goto err_rpm_put; |
| |
| ret = cci_multi_reg_write(gc05a2->regmap, |
| mode_table_common, |
| ARRAY_SIZE(mode_table_common), NULL); |
| if (ret) |
| goto err_rpm_put; |
| |
| mode = gc05a2->cur_mode; |
| reg_list = &mode->reg_list; |
| |
| ret = cci_multi_reg_write(gc05a2->regmap, |
| reg_list->regs, reg_list->num_of_regs, NULL); |
| if (ret < 0) |
| goto err_rpm_put; |
| |
| ret = __v4l2_ctrl_handler_setup(&gc05a2->ctrls); |
| if (ret < 0) { |
| dev_err(gc05a2->dev, "could not sync v4l2 controls\n"); |
| goto err_rpm_put; |
| } |
| |
| ret = cci_write(gc05a2->regmap, GC05A2_STREAMING_REG, 1, NULL); |
| if (ret < 0) { |
| dev_err(gc05a2->dev, "write STREAMING_REG failed: %d\n", ret); |
| goto err_rpm_put; |
| } |
| |
| return 0; |
| |
| err_rpm_put: |
| pm_runtime_put(gc05a2->dev); |
| return ret; |
| } |
| |
| static int gc05a2_stop_streaming(struct gc05a2 *gc05a2) |
| { |
| int ret; |
| |
| ret = cci_write(gc05a2->regmap, GC05A2_STREAMING_REG, 0, NULL); |
| if (ret < 0) |
| dev_err(gc05a2->dev, "could not sent stop streaming %d\n", ret); |
| |
| pm_runtime_put(gc05a2->dev); |
| return ret; |
| } |
| |
| static int gc05a2_s_stream(struct v4l2_subdev *subdev, int enable) |
| { |
| struct gc05a2 *gc05a2 = to_gc05a2(subdev); |
| struct v4l2_subdev_state *state; |
| int ret; |
| |
| state = v4l2_subdev_lock_and_get_active_state(subdev); |
| |
| if (enable) |
| ret = gc05a2_start_streaming(gc05a2); |
| else |
| ret = gc05a2_stop_streaming(gc05a2); |
| |
| v4l2_subdev_unlock_state(state); |
| |
| return ret; |
| } |
| |
| static const struct v4l2_subdev_video_ops gc05a2_video_ops = { |
| .s_stream = gc05a2_s_stream, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops gc05a2_subdev_pad_ops = { |
| .enum_mbus_code = gc05a2_enum_mbus_code, |
| .enum_frame_size = gc05a2_enum_frame_size, |
| .get_fmt = v4l2_subdev_get_fmt, |
| .set_fmt = gc05a2_set_format, |
| .get_selection = gc05a2_get_selection, |
| }; |
| |
| static const struct v4l2_subdev_core_ops gc05a2_core_ops = { |
| .subscribe_event = v4l2_ctrl_subdev_subscribe_event, |
| .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
| }; |
| |
| static const struct v4l2_subdev_ops gc05a2_subdev_ops = { |
| .core = &gc05a2_core_ops, |
| .video = &gc05a2_video_ops, |
| .pad = &gc05a2_subdev_pad_ops, |
| }; |
| |
| static const struct v4l2_subdev_internal_ops gc05a2_internal_ops = { |
| .init_state = gc05a2_init_state, |
| }; |
| |
| static int gc05a2_get_regulators(struct device *dev, struct gc05a2 *gc05a2) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_SIZE(gc05a2_supply_name); i++) |
| gc05a2->supplies[i].supply = gc05a2_supply_name[i]; |
| |
| return devm_regulator_bulk_get(dev, ARRAY_SIZE(gc05a2_supply_name), |
| gc05a2->supplies); |
| } |
| |
| static int gc05a2_parse_fwnode(struct gc05a2 *gc05a2) |
| { |
| struct fwnode_handle *endpoint; |
| struct v4l2_fwnode_endpoint bus_cfg = { |
| .bus_type = V4L2_MBUS_CSI2_DPHY, |
| }; |
| int ret; |
| struct device *dev = gc05a2->dev; |
| |
| endpoint = |
| fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), 0, 0, |
| FWNODE_GRAPH_ENDPOINT_NEXT); |
| if (!endpoint) |
| return dev_err_probe(dev, -EINVAL, "Missing endpoint node\n"); |
| |
| ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &bus_cfg); |
| if (ret) { |
| dev_err_probe(dev, ret, "parsing endpoint node failed\n"); |
| goto done; |
| } |
| |
| ret = v4l2_link_freq_to_bitmap(dev, bus_cfg.link_frequencies, |
| bus_cfg.nr_of_link_frequencies, |
| gc05a2_link_freq_menu_items, |
| ARRAY_SIZE(gc05a2_link_freq_menu_items), |
| &gc05a2->link_freq_bitmap); |
| if (ret) |
| goto done; |
| |
| done: |
| v4l2_fwnode_endpoint_free(&bus_cfg); |
| fwnode_handle_put(endpoint); |
| return ret; |
| } |
| |
| static u64 gc05a2_to_pixel_rate(u32 f_index) |
| { |
| u64 pixel_rate = |
| gc05a2_link_freq_menu_items[f_index] * 2 * GC05A2_DATA_LANES; |
| |
| return div_u64(pixel_rate, GC05A2_RGB_DEPTH); |
| } |
| |
| static int gc05a2_init_controls(struct gc05a2 *gc05a2) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&gc05a2->sd); |
| const struct gc05a2_mode *mode = &gc05a2_modes[0]; |
| const struct v4l2_ctrl_ops *ops = &gc05a2_ctrl_ops; |
| struct v4l2_fwnode_device_properties props; |
| struct v4l2_ctrl_handler *ctrl_hdlr; |
| s64 exposure_max, h_blank; |
| int ret; |
| |
| ctrl_hdlr = &gc05a2->ctrls; |
| ret = v4l2_ctrl_handler_init(ctrl_hdlr, 9); |
| if (ret) |
| return ret; |
| |
| gc05a2->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_HFLIP, 0, 1, 1, 0); |
| gc05a2->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_VFLIP, 0, 1, 1, 0); |
| v4l2_ctrl_cluster(2, &gc05a2->hflip); |
| |
| gc05a2->link_freq = |
| v4l2_ctrl_new_int_menu(ctrl_hdlr, |
| &gc05a2_ctrl_ops, |
| V4L2_CID_LINK_FREQ, |
| ARRAY_SIZE(gc05a2_link_freq_menu_items) - 1, |
| 0, |
| gc05a2_link_freq_menu_items); |
| if (gc05a2->link_freq) |
| gc05a2->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| gc05a2->pixel_rate = |
| v4l2_ctrl_new_std(ctrl_hdlr, |
| &gc05a2_ctrl_ops, |
| V4L2_CID_PIXEL_RATE, 0, |
| gc05a2_to_pixel_rate(0), |
| 1, |
| gc05a2_to_pixel_rate(0)); |
| |
| gc05a2->vblank = |
| v4l2_ctrl_new_std(ctrl_hdlr, |
| &gc05a2_ctrl_ops, V4L2_CID_VBLANK, |
| mode->vts_min - mode->height, |
| GC05A2_VTS_MAX - mode->height, 1, |
| mode->vts_def - mode->height); |
| |
| h_blank = mode->hts - mode->width; |
| gc05a2->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_HBLANK, h_blank, h_blank, 1, |
| h_blank); |
| if (gc05a2->hblank) |
| gc05a2->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_ANALOGUE_GAIN, GC05A2_AGAIN_MIN, |
| GC05A2_AGAIN_MAX, GC05A2_AGAIN_STEP, |
| GC05A2_AGAIN_MIN); |
| |
| exposure_max = mode->vts_def - GC05A2_EXP_MARGIN; |
| gc05a2->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_EXPOSURE, GC05A2_EXP_MIN, |
| exposure_max, GC05A2_EXP_STEP, |
| exposure_max); |
| |
| v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &gc05a2_ctrl_ops, |
| V4L2_CID_TEST_PATTERN, |
| ARRAY_SIZE(gc05a2_test_pattern_menu) - 1, |
| 0, 0, gc05a2_test_pattern_menu); |
| |
| /* register properties to fwnode (e.g. rotation, orientation) */ |
| ret = v4l2_fwnode_device_parse(&client->dev, &props); |
| if (ret) |
| goto error_ctrls; |
| |
| ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, ops, &props); |
| if (ret) |
| goto error_ctrls; |
| |
| if (ctrl_hdlr->error) { |
| ret = ctrl_hdlr->error; |
| goto error_ctrls; |
| } |
| |
| gc05a2->sd.ctrl_handler = ctrl_hdlr; |
| |
| return 0; |
| |
| error_ctrls: |
| v4l2_ctrl_handler_free(ctrl_hdlr); |
| |
| return ret; |
| } |
| |
| static int gc05a2_probe(struct i2c_client *client) |
| { |
| struct device *dev = &client->dev; |
| struct gc05a2 *gc05a2; |
| int ret; |
| |
| gc05a2 = devm_kzalloc(dev, sizeof(*gc05a2), GFP_KERNEL); |
| if (!gc05a2) |
| return -ENOMEM; |
| |
| gc05a2->dev = dev; |
| |
| ret = gc05a2_parse_fwnode(gc05a2); |
| if (ret) |
| return ret; |
| |
| gc05a2->regmap = devm_cci_regmap_init_i2c(client, 16); |
| if (IS_ERR(gc05a2->regmap)) |
| return dev_err_probe(dev, PTR_ERR(gc05a2->regmap), |
| "failed to init CCI\n"); |
| |
| gc05a2->xclk = devm_clk_get(dev, NULL); |
| if (IS_ERR(gc05a2->xclk)) |
| return dev_err_probe(dev, PTR_ERR(gc05a2->xclk), |
| "failed to get xclk\n"); |
| |
| ret = clk_set_rate(gc05a2->xclk, GC05A2_DEFAULT_CLK_FREQ); |
| if (ret) |
| return dev_err_probe(dev, ret, |
| "failed to set xclk frequency\n"); |
| |
| ret = gc05a2_get_regulators(dev, gc05a2); |
| if (ret < 0) |
| return dev_err_probe(dev, ret, |
| "failed to get regulators\n"); |
| |
| gc05a2->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); |
| if (IS_ERR(gc05a2->reset_gpio)) |
| return dev_err_probe(dev, PTR_ERR(gc05a2->reset_gpio), |
| "failed to get gpio\n"); |
| |
| v4l2_i2c_subdev_init(&gc05a2->sd, client, &gc05a2_subdev_ops); |
| gc05a2->sd.internal_ops = &gc05a2_internal_ops; |
| gc05a2->cur_mode = &gc05a2_modes[0]; |
| |
| ret = gc05a2_init_controls(gc05a2); |
| if (ret) |
| return dev_err_probe(dev, ret, |
| "failed to init controls\n"); |
| |
| gc05a2->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | |
| V4L2_SUBDEV_FL_HAS_EVENTS; |
| gc05a2->pad.flags = MEDIA_PAD_FL_SOURCE; |
| gc05a2->sd.dev = &client->dev; |
| gc05a2->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| |
| ret = media_entity_pads_init(&gc05a2->sd.entity, 1, &gc05a2->pad); |
| if (ret < 0) { |
| dev_err_probe(dev, ret, "could not register media entity\n"); |
| goto err_v4l2_ctrl_handler_free; |
| } |
| |
| gc05a2->sd.state_lock = gc05a2->ctrls.lock; |
| ret = v4l2_subdev_init_finalize(&gc05a2->sd); |
| if (ret < 0) { |
| dev_err_probe(dev, ret, "v4l2 subdev init error\n"); |
| goto err_media_entity_cleanup; |
| } |
| |
| pm_runtime_enable(gc05a2->dev); |
| pm_runtime_set_autosuspend_delay(gc05a2->dev, 1000); |
| pm_runtime_use_autosuspend(gc05a2->dev); |
| pm_runtime_idle(gc05a2->dev); |
| |
| ret = v4l2_async_register_subdev_sensor(&gc05a2->sd); |
| if (ret < 0) { |
| dev_err_probe(dev, ret, "could not register v4l2 device\n"); |
| goto err_rpm; |
| } |
| |
| return 0; |
| |
| err_rpm: |
| pm_runtime_disable(gc05a2->dev); |
| v4l2_subdev_cleanup(&gc05a2->sd); |
| |
| err_media_entity_cleanup: |
| media_entity_cleanup(&gc05a2->sd.entity); |
| |
| err_v4l2_ctrl_handler_free: |
| v4l2_ctrl_handler_free(&gc05a2->ctrls); |
| |
| return ret; |
| } |
| |
| static void gc05a2_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct gc05a2 *gc05a2 = to_gc05a2(sd); |
| |
| v4l2_async_unregister_subdev(&gc05a2->sd); |
| v4l2_subdev_cleanup(sd); |
| media_entity_cleanup(&gc05a2->sd.entity); |
| v4l2_ctrl_handler_free(&gc05a2->ctrls); |
| |
| pm_runtime_disable(&client->dev); |
| if (!pm_runtime_status_suspended(&client->dev)) |
| gc05a2_power_off(gc05a2->dev); |
| pm_runtime_set_suspended(&client->dev); |
| } |
| |
| static const struct of_device_id gc05a2_of_match[] = { |
| { .compatible = "galaxycore,gc05a2" }, |
| {} |
| }; |
| MODULE_DEVICE_TABLE(of, gc05a2_of_match); |
| |
| static DEFINE_RUNTIME_DEV_PM_OPS(gc05a2_pm_ops, |
| gc05a2_power_off, |
| gc05a2_power_on, |
| NULL); |
| |
| static struct i2c_driver gc05a2_i2c_driver = { |
| .driver = { |
| .of_match_table = gc05a2_of_match, |
| .pm = pm_ptr(&gc05a2_pm_ops), |
| .name = "gc05a2", |
| }, |
| .probe = gc05a2_probe, |
| .remove = gc05a2_remove, |
| }; |
| module_i2c_driver(gc05a2_i2c_driver); |
| |
| MODULE_DESCRIPTION("GalaxyCore gc05a2 Camera driver"); |
| MODULE_AUTHOR("Zhi Mao <zhi.mao@mediatek.com>"); |
| MODULE_LICENSE("GPL"); |
