| // SPDX-License-Identifier: GPL-2.0 |
| // Copyright (C) 2018 Intel Corporation |
| |
| #include <asm/unaligned.h> |
| #include <linux/acpi.h> |
| #include <linux/i2c.h> |
| #include <linux/module.h> |
| #include <linux/pm_runtime.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-device.h> |
| #include <media/v4l2-event.h> |
| #include <media/v4l2-fwnode.h> |
| |
| #define IMX355_REG_MODE_SELECT 0x0100 |
| #define IMX355_MODE_STANDBY 0x00 |
| #define IMX355_MODE_STREAMING 0x01 |
| |
| /* Chip ID */ |
| #define IMX355_REG_CHIP_ID 0x0016 |
| #define IMX355_CHIP_ID 0x0355 |
| |
| /* V_TIMING internal */ |
| #define IMX355_REG_FLL 0x0340 |
| #define IMX355_FLL_MAX 0xffff |
| |
| /* Exposure control */ |
| #define IMX355_REG_EXPOSURE 0x0202 |
| #define IMX355_EXPOSURE_MIN 1 |
| #define IMX355_EXPOSURE_STEP 1 |
| #define IMX355_EXPOSURE_DEFAULT 0x0282 |
| |
| /* Analog gain control */ |
| #define IMX355_REG_ANALOG_GAIN 0x0204 |
| #define IMX355_ANA_GAIN_MIN 0 |
| #define IMX355_ANA_GAIN_MAX 960 |
| #define IMX355_ANA_GAIN_STEP 1 |
| #define IMX355_ANA_GAIN_DEFAULT 0 |
| |
| /* Digital gain control */ |
| #define IMX355_REG_DPGA_USE_GLOBAL_GAIN 0x3070 |
| #define IMX355_REG_DIG_GAIN_GLOBAL 0x020e |
| #define IMX355_DGTL_GAIN_MIN 256 |
| #define IMX355_DGTL_GAIN_MAX 4095 |
| #define IMX355_DGTL_GAIN_STEP 1 |
| #define IMX355_DGTL_GAIN_DEFAULT 256 |
| |
| /* Test Pattern Control */ |
| #define IMX355_REG_TEST_PATTERN 0x0600 |
| #define IMX355_TEST_PATTERN_DISABLED 0 |
| #define IMX355_TEST_PATTERN_SOLID_COLOR 1 |
| #define IMX355_TEST_PATTERN_COLOR_BARS 2 |
| #define IMX355_TEST_PATTERN_GRAY_COLOR_BARS 3 |
| #define IMX355_TEST_PATTERN_PN9 4 |
| |
| /* Flip Control */ |
| #define IMX355_REG_ORIENTATION 0x0101 |
| |
| /* default link frequency and external clock */ |
| #define IMX355_LINK_FREQ_DEFAULT 360000000LL |
| #define IMX355_EXT_CLK 19200000 |
| #define IMX355_LINK_FREQ_INDEX 0 |
| |
| struct imx355_reg { |
| u16 address; |
| u8 val; |
| }; |
| |
| struct imx355_reg_list { |
| u32 num_of_regs; |
| const struct imx355_reg *regs; |
| }; |
| |
| /* Mode : resolution and related config&values */ |
| struct imx355_mode { |
| /* Frame width */ |
| u32 width; |
| /* Frame height */ |
| u32 height; |
| |
| /* V-timing */ |
| u32 fll_def; |
| u32 fll_min; |
| |
| /* H-timing */ |
| u32 llp; |
| |
| /* index of link frequency */ |
| u32 link_freq_index; |
| |
| /* Default register values */ |
| struct imx355_reg_list reg_list; |
| }; |
| |
| struct imx355_hwcfg { |
| u32 ext_clk; /* sensor external clk */ |
| unsigned long link_freq_bitmap; |
| }; |
| |
| struct imx355 { |
| struct v4l2_subdev sd; |
| struct media_pad pad; |
| |
| struct v4l2_ctrl_handler ctrl_handler; |
| /* V4L2 Controls */ |
| struct v4l2_ctrl *link_freq; |
| struct v4l2_ctrl *pixel_rate; |
| struct v4l2_ctrl *vblank; |
| struct v4l2_ctrl *hblank; |
| struct v4l2_ctrl *exposure; |
| struct v4l2_ctrl *vflip; |
| struct v4l2_ctrl *hflip; |
| |
| /* Current mode */ |
| const struct imx355_mode *cur_mode; |
| |
| struct imx355_hwcfg *hwcfg; |
| |
| /* |
| * Mutex for serialized access: |
| * Protect sensor set pad format and start/stop streaming safely. |
| * Protect access to sensor v4l2 controls. |
| */ |
| struct mutex mutex; |
| }; |
| |
| static const struct imx355_reg imx355_global_regs[] = { |
| { 0x0136, 0x13 }, |
| { 0x0137, 0x33 }, |
| { 0x304e, 0x03 }, |
| { 0x4348, 0x16 }, |
| { 0x4350, 0x19 }, |
| { 0x4408, 0x0a }, |
| { 0x440c, 0x0b }, |
| { 0x4411, 0x5f }, |
| { 0x4412, 0x2c }, |
| { 0x4623, 0x00 }, |
| { 0x462c, 0x0f }, |
| { 0x462d, 0x00 }, |
| { 0x462e, 0x00 }, |
| { 0x4684, 0x54 }, |
| { 0x480a, 0x07 }, |
| { 0x4908, 0x07 }, |
| { 0x4909, 0x07 }, |
| { 0x490d, 0x0a }, |
| { 0x491e, 0x0f }, |
| { 0x4921, 0x06 }, |
| { 0x4923, 0x28 }, |
| { 0x4924, 0x28 }, |
| { 0x4925, 0x29 }, |
| { 0x4926, 0x29 }, |
| { 0x4927, 0x1f }, |
| { 0x4928, 0x20 }, |
| { 0x4929, 0x20 }, |
| { 0x492a, 0x20 }, |
| { 0x492c, 0x05 }, |
| { 0x492d, 0x06 }, |
| { 0x492e, 0x06 }, |
| { 0x492f, 0x06 }, |
| { 0x4930, 0x03 }, |
| { 0x4931, 0x04 }, |
| { 0x4932, 0x04 }, |
| { 0x4933, 0x05 }, |
| { 0x595e, 0x01 }, |
| { 0x5963, 0x01 }, |
| { 0x3030, 0x01 }, |
| { 0x3031, 0x01 }, |
| { 0x3045, 0x01 }, |
| { 0x4010, 0x00 }, |
| { 0x4011, 0x00 }, |
| { 0x4012, 0x00 }, |
| { 0x4013, 0x01 }, |
| { 0x68a8, 0xfe }, |
| { 0x68a9, 0xff }, |
| { 0x6888, 0x00 }, |
| { 0x6889, 0x00 }, |
| { 0x68b0, 0x00 }, |
| { 0x3058, 0x00 }, |
| { 0x305a, 0x00 }, |
| }; |
| |
| static const struct imx355_reg_list imx355_global_setting = { |
| .num_of_regs = ARRAY_SIZE(imx355_global_regs), |
| .regs = imx355_global_regs, |
| }; |
| |
| static const struct imx355_reg mode_3268x2448_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x0a }, |
| { 0x0341, 0x37 }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x08 }, |
| { 0x0346, 0x00 }, |
| { 0x0347, 0x08 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xcb }, |
| { 0x034a, 0x09 }, |
| { 0x034b, 0x97 }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x0c }, |
| { 0x034d, 0xc4 }, |
| { 0x034e, 0x09 }, |
| { 0x034f, 0x90 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_3264x2448_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x0a }, |
| { 0x0341, 0x37 }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x08 }, |
| { 0x0346, 0x00 }, |
| { 0x0347, 0x08 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xc7 }, |
| { 0x034a, 0x09 }, |
| { 0x034b, 0x97 }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x0c }, |
| { 0x034d, 0xc0 }, |
| { 0x034e, 0x09 }, |
| { 0x034f, 0x90 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_3280x2464_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x0a }, |
| { 0x0341, 0x37 }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x00 }, |
| { 0x0346, 0x00 }, |
| { 0x0347, 0x00 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xcf }, |
| { 0x034a, 0x09 }, |
| { 0x034b, 0x9f }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x0c }, |
| { 0x034d, 0xd0 }, |
| { 0x034e, 0x09 }, |
| { 0x034f, 0xa0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1940x1096_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x02 }, |
| { 0x0345, 0xa0 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0xac }, |
| { 0x0348, 0x0a }, |
| { 0x0349, 0x33 }, |
| { 0x034a, 0x06 }, |
| { 0x034b, 0xf3 }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x07 }, |
| { 0x034d, 0x94 }, |
| { 0x034e, 0x04 }, |
| { 0x034f, 0x48 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1936x1096_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x02 }, |
| { 0x0345, 0xa0 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0xac }, |
| { 0x0348, 0x0a }, |
| { 0x0349, 0x2f }, |
| { 0x034a, 0x06 }, |
| { 0x034b, 0xf3 }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x07 }, |
| { 0x034d, 0x90 }, |
| { 0x034e, 0x04 }, |
| { 0x034f, 0x48 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1924x1080_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x02 }, |
| { 0x0345, 0xa8 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0xb4 }, |
| { 0x0348, 0x0a }, |
| { 0x0349, 0x2b }, |
| { 0x034a, 0x06 }, |
| { 0x034b, 0xeb }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x07 }, |
| { 0x034d, 0x84 }, |
| { 0x034e, 0x04 }, |
| { 0x034f, 0x38 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1920x1080_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x02 }, |
| { 0x0345, 0xa8 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0xb4 }, |
| { 0x0348, 0x0a }, |
| { 0x0349, 0x27 }, |
| { 0x034a, 0x06 }, |
| { 0x034b, 0xeb }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x00 }, |
| { 0x0901, 0x11 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x07 }, |
| { 0x034d, 0x80 }, |
| { 0x034e, 0x04 }, |
| { 0x034f, 0x38 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1640x1232_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x00 }, |
| { 0x0346, 0x00 }, |
| { 0x0347, 0x00 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xcf }, |
| { 0x034a, 0x09 }, |
| { 0x034b, 0x9f }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x06 }, |
| { 0x034d, 0x68 }, |
| { 0x034e, 0x04 }, |
| { 0x034f, 0xd0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1640x922_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x00 }, |
| { 0x0346, 0x01 }, |
| { 0x0347, 0x30 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xcf }, |
| { 0x034a, 0x08 }, |
| { 0x034b, 0x63 }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x06 }, |
| { 0x034d, 0x68 }, |
| { 0x034e, 0x03 }, |
| { 0x034f, 0x9a }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1300x736_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x01 }, |
| { 0x0345, 0x58 }, |
| { 0x0346, 0x01 }, |
| { 0x0347, 0xf0 }, |
| { 0x0348, 0x0b }, |
| { 0x0349, 0x7f }, |
| { 0x034a, 0x07 }, |
| { 0x034b, 0xaf }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x05 }, |
| { 0x034d, 0x14 }, |
| { 0x034e, 0x02 }, |
| { 0x034f, 0xe0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1296x736_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x01 }, |
| { 0x0345, 0x58 }, |
| { 0x0346, 0x01 }, |
| { 0x0347, 0xf0 }, |
| { 0x0348, 0x0b }, |
| { 0x0349, 0x77 }, |
| { 0x034a, 0x07 }, |
| { 0x034b, 0xaf }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x05 }, |
| { 0x034d, 0x10 }, |
| { 0x034e, 0x02 }, |
| { 0x034f, 0xe0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1284x720_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x01 }, |
| { 0x0345, 0x68 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0x00 }, |
| { 0x0348, 0x0b }, |
| { 0x0349, 0x6f }, |
| { 0x034a, 0x07 }, |
| { 0x034b, 0x9f }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x05 }, |
| { 0x034d, 0x04 }, |
| { 0x034e, 0x02 }, |
| { 0x034f, 0xd0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_1280x720_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x07 }, |
| { 0x0343, 0x2c }, |
| { 0x0340, 0x05 }, |
| { 0x0341, 0x1a }, |
| { 0x0344, 0x01 }, |
| { 0x0345, 0x68 }, |
| { 0x0346, 0x02 }, |
| { 0x0347, 0x00 }, |
| { 0x0348, 0x0b }, |
| { 0x0349, 0x67 }, |
| { 0x034a, 0x07 }, |
| { 0x034b, 0x9f }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x22 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x05 }, |
| { 0x034d, 0x00 }, |
| { 0x034e, 0x02 }, |
| { 0x034f, 0xd0 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x00 }, |
| { 0x0701, 0x10 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const struct imx355_reg mode_820x616_regs[] = { |
| { 0x0112, 0x0a }, |
| { 0x0113, 0x0a }, |
| { 0x0114, 0x03 }, |
| { 0x0342, 0x0e }, |
| { 0x0343, 0x58 }, |
| { 0x0340, 0x02 }, |
| { 0x0341, 0x8c }, |
| { 0x0344, 0x00 }, |
| { 0x0345, 0x00 }, |
| { 0x0346, 0x00 }, |
| { 0x0347, 0x00 }, |
| { 0x0348, 0x0c }, |
| { 0x0349, 0xcf }, |
| { 0x034a, 0x09 }, |
| { 0x034b, 0x9f }, |
| { 0x0220, 0x00 }, |
| { 0x0222, 0x01 }, |
| { 0x0900, 0x01 }, |
| { 0x0901, 0x44 }, |
| { 0x0902, 0x00 }, |
| { 0x034c, 0x03 }, |
| { 0x034d, 0x34 }, |
| { 0x034e, 0x02 }, |
| { 0x034f, 0x68 }, |
| { 0x0301, 0x05 }, |
| { 0x0303, 0x01 }, |
| { 0x0305, 0x02 }, |
| { 0x0306, 0x00 }, |
| { 0x0307, 0x78 }, |
| { 0x030b, 0x01 }, |
| { 0x030d, 0x02 }, |
| { 0x030e, 0x00 }, |
| { 0x030f, 0x4b }, |
| { 0x0310, 0x00 }, |
| { 0x0700, 0x02 }, |
| { 0x0701, 0x78 }, |
| { 0x0820, 0x0b }, |
| { 0x0821, 0x40 }, |
| { 0x3088, 0x04 }, |
| { 0x6813, 0x02 }, |
| { 0x6835, 0x07 }, |
| { 0x6836, 0x01 }, |
| { 0x6837, 0x04 }, |
| { 0x684d, 0x07 }, |
| { 0x684e, 0x01 }, |
| { 0x684f, 0x04 }, |
| }; |
| |
| static const char * const imx355_test_pattern_menu[] = { |
| "Disabled", |
| "Solid Colour", |
| "Eight Vertical Colour Bars", |
| "Colour Bars With Fade to Grey", |
| "Pseudorandom Sequence (PN9)", |
| }; |
| |
| /* |
| * When adding more than the one below, make sure the disallowed ones will |
| * actually be disabled in the LINK_FREQ control. |
| */ |
| static const s64 link_freq_menu_items[] = { |
| IMX355_LINK_FREQ_DEFAULT, |
| }; |
| |
| /* Mode configs */ |
| static const struct imx355_mode supported_modes[] = { |
| { |
| .width = 3280, |
| .height = 2464, |
| .fll_def = 2615, |
| .fll_min = 2615, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_3280x2464_regs), |
| .regs = mode_3280x2464_regs, |
| }, |
| }, |
| { |
| .width = 3268, |
| .height = 2448, |
| .fll_def = 2615, |
| .fll_min = 2615, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_3268x2448_regs), |
| .regs = mode_3268x2448_regs, |
| }, |
| }, |
| { |
| .width = 3264, |
| .height = 2448, |
| .fll_def = 2615, |
| .fll_min = 2615, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_3264x2448_regs), |
| .regs = mode_3264x2448_regs, |
| }, |
| }, |
| { |
| .width = 1940, |
| .height = 1096, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1940x1096_regs), |
| .regs = mode_1940x1096_regs, |
| }, |
| }, |
| { |
| .width = 1936, |
| .height = 1096, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1936x1096_regs), |
| .regs = mode_1936x1096_regs, |
| }, |
| }, |
| { |
| .width = 1924, |
| .height = 1080, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1924x1080_regs), |
| .regs = mode_1924x1080_regs, |
| }, |
| }, |
| { |
| .width = 1920, |
| .height = 1080, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs), |
| .regs = mode_1920x1080_regs, |
| }, |
| }, |
| { |
| .width = 1640, |
| .height = 1232, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1640x1232_regs), |
| .regs = mode_1640x1232_regs, |
| }, |
| }, |
| { |
| .width = 1640, |
| .height = 922, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1640x922_regs), |
| .regs = mode_1640x922_regs, |
| }, |
| }, |
| { |
| .width = 1300, |
| .height = 736, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1300x736_regs), |
| .regs = mode_1300x736_regs, |
| }, |
| }, |
| { |
| .width = 1296, |
| .height = 736, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1296x736_regs), |
| .regs = mode_1296x736_regs, |
| }, |
| }, |
| { |
| .width = 1284, |
| .height = 720, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1284x720_regs), |
| .regs = mode_1284x720_regs, |
| }, |
| }, |
| { |
| .width = 1280, |
| .height = 720, |
| .fll_def = 1306, |
| .fll_min = 1306, |
| .llp = 1836, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_1280x720_regs), |
| .regs = mode_1280x720_regs, |
| }, |
| }, |
| { |
| .width = 820, |
| .height = 616, |
| .fll_def = 652, |
| .fll_min = 652, |
| .llp = 3672, |
| .link_freq_index = IMX355_LINK_FREQ_INDEX, |
| .reg_list = { |
| .num_of_regs = ARRAY_SIZE(mode_820x616_regs), |
| .regs = mode_820x616_regs, |
| }, |
| }, |
| }; |
| |
| static inline struct imx355 *to_imx355(struct v4l2_subdev *_sd) |
| { |
| return container_of(_sd, struct imx355, sd); |
| } |
| |
| /* Get bayer order based on flip setting. */ |
| static u32 imx355_get_format_code(struct imx355 *imx355) |
| { |
| /* |
| * Only one bayer order is supported. |
| * It depends on the flip settings. |
| */ |
| u32 code; |
| static const u32 codes[2][2] = { |
| { MEDIA_BUS_FMT_SRGGB10_1X10, MEDIA_BUS_FMT_SGRBG10_1X10, }, |
| { MEDIA_BUS_FMT_SGBRG10_1X10, MEDIA_BUS_FMT_SBGGR10_1X10, }, |
| }; |
| |
| lockdep_assert_held(&imx355->mutex); |
| code = codes[imx355->vflip->val][imx355->hflip->val]; |
| |
| return code; |
| } |
| |
| /* Read registers up to 4 at a time */ |
| static int imx355_read_reg(struct imx355 *imx355, u16 reg, u32 len, u32 *val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| struct i2c_msg msgs[2]; |
| u8 addr_buf[2]; |
| u8 data_buf[4] = { 0 }; |
| int ret; |
| |
| if (len > 4) |
| return -EINVAL; |
| |
| put_unaligned_be16(reg, addr_buf); |
| /* 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 4 at a time */ |
| static int imx355_write_reg(struct imx355 *imx355, u16 reg, u32 len, u32 val) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->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 imx355_write_regs(struct imx355 *imx355, |
| const struct imx355_reg *regs, u32 len) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| int ret; |
| u32 i; |
| |
| for (i = 0; i < len; i++) { |
| ret = imx355_write_reg(imx355, regs[i].address, 1, regs[i].val); |
| if (ret) { |
| dev_err_ratelimited(&client->dev, |
| "write reg 0x%4.4x return err %d", |
| regs[i].address, ret); |
| |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| /* Open sub-device */ |
| static int imx355_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| struct v4l2_mbus_framefmt *try_fmt = |
| v4l2_subdev_state_get_format(fh->state, 0); |
| |
| mutex_lock(&imx355->mutex); |
| |
| /* Initialize try_fmt */ |
| try_fmt->width = imx355->cur_mode->width; |
| try_fmt->height = imx355->cur_mode->height; |
| try_fmt->code = imx355_get_format_code(imx355); |
| try_fmt->field = V4L2_FIELD_NONE; |
| |
| mutex_unlock(&imx355->mutex); |
| |
| return 0; |
| } |
| |
| static int imx355_set_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| struct imx355 *imx355 = container_of(ctrl->handler, |
| struct imx355, ctrl_handler); |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| s64 max; |
| int ret; |
| |
| /* Propagate change of current control to all related controls */ |
| switch (ctrl->id) { |
| case V4L2_CID_VBLANK: |
| /* Update max exposure while meeting expected vblanking */ |
| max = imx355->cur_mode->height + ctrl->val - 10; |
| __v4l2_ctrl_modify_range(imx355->exposure, |
| imx355->exposure->minimum, |
| max, imx355->exposure->step, max); |
| break; |
| } |
| |
| /* |
| * Applying V4L2 control value only happens |
| * when power is up for streaming |
| */ |
| if (!pm_runtime_get_if_in_use(&client->dev)) |
| return 0; |
| |
| switch (ctrl->id) { |
| case V4L2_CID_ANALOGUE_GAIN: |
| /* Analog gain = 1024/(1024 - ctrl->val) times */ |
| ret = imx355_write_reg(imx355, IMX355_REG_ANALOG_GAIN, 2, |
| ctrl->val); |
| break; |
| case V4L2_CID_DIGITAL_GAIN: |
| ret = imx355_write_reg(imx355, IMX355_REG_DIG_GAIN_GLOBAL, 2, |
| ctrl->val); |
| break; |
| case V4L2_CID_EXPOSURE: |
| ret = imx355_write_reg(imx355, IMX355_REG_EXPOSURE, 2, |
| ctrl->val); |
| break; |
| case V4L2_CID_VBLANK: |
| /* Update FLL that meets expected vertical blanking */ |
| ret = imx355_write_reg(imx355, IMX355_REG_FLL, 2, |
| imx355->cur_mode->height + ctrl->val); |
| break; |
| case V4L2_CID_TEST_PATTERN: |
| ret = imx355_write_reg(imx355, IMX355_REG_TEST_PATTERN, |
| 2, ctrl->val); |
| break; |
| case V4L2_CID_HFLIP: |
| case V4L2_CID_VFLIP: |
| ret = imx355_write_reg(imx355, IMX355_REG_ORIENTATION, 1, |
| imx355->hflip->val | |
| imx355->vflip->val << 1); |
| break; |
| default: |
| ret = -EINVAL; |
| dev_info(&client->dev, "ctrl(id:0x%x,val:0x%x) is not handled", |
| ctrl->id, ctrl->val); |
| break; |
| } |
| |
| pm_runtime_put(&client->dev); |
| |
| return ret; |
| } |
| |
| static const struct v4l2_ctrl_ops imx355_ctrl_ops = { |
| .s_ctrl = imx355_set_ctrl, |
| }; |
| |
| static int imx355_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| |
| if (code->index > 0) |
| return -EINVAL; |
| |
| mutex_lock(&imx355->mutex); |
| code->code = imx355_get_format_code(imx355); |
| mutex_unlock(&imx355->mutex); |
| |
| return 0; |
| } |
| |
| static int imx355_enum_frame_size(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_frame_size_enum *fse) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| |
| if (fse->index >= ARRAY_SIZE(supported_modes)) |
| return -EINVAL; |
| |
| mutex_lock(&imx355->mutex); |
| if (fse->code != imx355_get_format_code(imx355)) { |
| mutex_unlock(&imx355->mutex); |
| return -EINVAL; |
| } |
| mutex_unlock(&imx355->mutex); |
| |
| fse->min_width = supported_modes[fse->index].width; |
| fse->max_width = fse->min_width; |
| fse->min_height = supported_modes[fse->index].height; |
| fse->max_height = fse->min_height; |
| |
| return 0; |
| } |
| |
| static void imx355_update_pad_format(struct imx355 *imx355, |
| const struct imx355_mode *mode, |
| struct v4l2_subdev_format *fmt) |
| { |
| fmt->format.width = mode->width; |
| fmt->format.height = mode->height; |
| fmt->format.code = imx355_get_format_code(imx355); |
| fmt->format.field = V4L2_FIELD_NONE; |
| } |
| |
| static int imx355_do_get_pad_format(struct imx355 *imx355, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct v4l2_mbus_framefmt *framefmt; |
| |
| if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
| fmt->format = *framefmt; |
| } else { |
| imx355_update_pad_format(imx355, imx355->cur_mode, fmt); |
| } |
| |
| return 0; |
| } |
| |
| static int imx355_get_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| int ret; |
| |
| mutex_lock(&imx355->mutex); |
| ret = imx355_do_get_pad_format(imx355, sd_state, fmt); |
| mutex_unlock(&imx355->mutex); |
| |
| return ret; |
| } |
| |
| static int |
| imx355_set_pad_format(struct v4l2_subdev *sd, |
| struct v4l2_subdev_state *sd_state, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| const struct imx355_mode *mode; |
| struct v4l2_mbus_framefmt *framefmt; |
| s32 vblank_def; |
| s32 vblank_min; |
| s64 h_blank; |
| u64 pixel_rate; |
| u32 height; |
| |
| mutex_lock(&imx355->mutex); |
| |
| /* |
| * Only one bayer order is supported. |
| * It depends on the flip settings. |
| */ |
| fmt->format.code = imx355_get_format_code(imx355); |
| |
| mode = v4l2_find_nearest_size(supported_modes, |
| ARRAY_SIZE(supported_modes), |
| width, height, |
| fmt->format.width, fmt->format.height); |
| imx355_update_pad_format(imx355, mode, fmt); |
| if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
| framefmt = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
| *framefmt = fmt->format; |
| } else { |
| imx355->cur_mode = mode; |
| pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; |
| do_div(pixel_rate, 10); |
| __v4l2_ctrl_s_ctrl_int64(imx355->pixel_rate, pixel_rate); |
| /* Update limits and set FPS to default */ |
| height = imx355->cur_mode->height; |
| vblank_def = imx355->cur_mode->fll_def - height; |
| vblank_min = imx355->cur_mode->fll_min - height; |
| height = IMX355_FLL_MAX - height; |
| __v4l2_ctrl_modify_range(imx355->vblank, vblank_min, height, 1, |
| vblank_def); |
| __v4l2_ctrl_s_ctrl(imx355->vblank, vblank_def); |
| h_blank = mode->llp - imx355->cur_mode->width; |
| /* |
| * Currently hblank is not changeable. |
| * So FPS control is done only by vblank. |
| */ |
| __v4l2_ctrl_modify_range(imx355->hblank, h_blank, |
| h_blank, 1, h_blank); |
| } |
| |
| mutex_unlock(&imx355->mutex); |
| |
| return 0; |
| } |
| |
| /* Start streaming */ |
| static int imx355_start_streaming(struct imx355 *imx355) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| const struct imx355_reg_list *reg_list; |
| int ret; |
| |
| /* Global Setting */ |
| reg_list = &imx355_global_setting; |
| ret = imx355_write_regs(imx355, reg_list->regs, reg_list->num_of_regs); |
| if (ret) { |
| dev_err(&client->dev, "failed to set global settings"); |
| return ret; |
| } |
| |
| /* Apply default values of current mode */ |
| reg_list = &imx355->cur_mode->reg_list; |
| ret = imx355_write_regs(imx355, reg_list->regs, reg_list->num_of_regs); |
| if (ret) { |
| dev_err(&client->dev, "failed to set mode"); |
| return ret; |
| } |
| |
| /* set digital gain control to all color mode */ |
| ret = imx355_write_reg(imx355, IMX355_REG_DPGA_USE_GLOBAL_GAIN, 1, 1); |
| if (ret) |
| return ret; |
| |
| /* Apply customized values from user */ |
| ret = __v4l2_ctrl_handler_setup(imx355->sd.ctrl_handler); |
| if (ret) |
| return ret; |
| |
| return imx355_write_reg(imx355, IMX355_REG_MODE_SELECT, |
| 1, IMX355_MODE_STREAMING); |
| } |
| |
| /* Stop streaming */ |
| static int imx355_stop_streaming(struct imx355 *imx355) |
| { |
| return imx355_write_reg(imx355, IMX355_REG_MODE_SELECT, |
| 1, IMX355_MODE_STANDBY); |
| } |
| |
| static int imx355_set_stream(struct v4l2_subdev *sd, int enable) |
| { |
| struct imx355 *imx355 = to_imx355(sd); |
| struct i2c_client *client = v4l2_get_subdevdata(sd); |
| int ret = 0; |
| |
| mutex_lock(&imx355->mutex); |
| |
| if (enable) { |
| ret = pm_runtime_resume_and_get(&client->dev); |
| if (ret < 0) |
| goto err_unlock; |
| |
| /* |
| * Apply default & customized values |
| * and then start streaming. |
| */ |
| ret = imx355_start_streaming(imx355); |
| if (ret) |
| goto err_rpm_put; |
| } else { |
| imx355_stop_streaming(imx355); |
| pm_runtime_put(&client->dev); |
| } |
| |
| /* vflip and hflip cannot change during streaming */ |
| __v4l2_ctrl_grab(imx355->vflip, enable); |
| __v4l2_ctrl_grab(imx355->hflip, enable); |
| |
| mutex_unlock(&imx355->mutex); |
| |
| return ret; |
| |
| err_rpm_put: |
| pm_runtime_put(&client->dev); |
| err_unlock: |
| mutex_unlock(&imx355->mutex); |
| |
| return ret; |
| } |
| |
| /* Verify chip ID */ |
| static int imx355_identify_module(struct imx355 *imx355) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| int ret; |
| u32 val; |
| |
| ret = imx355_read_reg(imx355, IMX355_REG_CHIP_ID, 2, &val); |
| if (ret) |
| return ret; |
| |
| if (val != IMX355_CHIP_ID) { |
| dev_err(&client->dev, "chip id mismatch: %x!=%x", |
| IMX355_CHIP_ID, val); |
| return -EIO; |
| } |
| return 0; |
| } |
| |
| static const struct v4l2_subdev_core_ops imx355_subdev_core_ops = { |
| .subscribe_event = v4l2_ctrl_subdev_subscribe_event, |
| .unsubscribe_event = v4l2_event_subdev_unsubscribe, |
| }; |
| |
| static const struct v4l2_subdev_video_ops imx355_video_ops = { |
| .s_stream = imx355_set_stream, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops imx355_pad_ops = { |
| .enum_mbus_code = imx355_enum_mbus_code, |
| .get_fmt = imx355_get_pad_format, |
| .set_fmt = imx355_set_pad_format, |
| .enum_frame_size = imx355_enum_frame_size, |
| }; |
| |
| static const struct v4l2_subdev_ops imx355_subdev_ops = { |
| .core = &imx355_subdev_core_ops, |
| .video = &imx355_video_ops, |
| .pad = &imx355_pad_ops, |
| }; |
| |
| static const struct media_entity_operations imx355_subdev_entity_ops = { |
| .link_validate = v4l2_subdev_link_validate, |
| }; |
| |
| static const struct v4l2_subdev_internal_ops imx355_internal_ops = { |
| .open = imx355_open, |
| }; |
| |
| /* Initialize control handlers */ |
| static int imx355_init_controls(struct imx355 *imx355) |
| { |
| struct i2c_client *client = v4l2_get_subdevdata(&imx355->sd); |
| struct v4l2_ctrl_handler *ctrl_hdlr; |
| s64 exposure_max; |
| s64 vblank_def; |
| s64 vblank_min; |
| s64 hblank; |
| u64 pixel_rate; |
| const struct imx355_mode *mode; |
| u32 max; |
| int ret; |
| |
| ctrl_hdlr = &imx355->ctrl_handler; |
| ret = v4l2_ctrl_handler_init(ctrl_hdlr, 10); |
| if (ret) |
| return ret; |
| |
| ctrl_hdlr->lock = &imx355->mutex; |
| max = ARRAY_SIZE(link_freq_menu_items) - 1; |
| imx355->link_freq = v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_LINK_FREQ, max, 0, |
| link_freq_menu_items); |
| if (imx355->link_freq) |
| imx355->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ |
| pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; |
| do_div(pixel_rate, 10); |
| /* By default, PIXEL_RATE is read only */ |
| imx355->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_PIXEL_RATE, pixel_rate, |
| pixel_rate, 1, pixel_rate); |
| |
| /* Initialize vblank/hblank/exposure parameters based on current mode */ |
| mode = imx355->cur_mode; |
| vblank_def = mode->fll_def - mode->height; |
| vblank_min = mode->fll_min - mode->height; |
| imx355->vblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_VBLANK, vblank_min, |
| IMX355_FLL_MAX - mode->height, |
| 1, vblank_def); |
| |
| hblank = mode->llp - mode->width; |
| imx355->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_HBLANK, hblank, hblank, |
| 1, hblank); |
| if (imx355->hblank) |
| imx355->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| /* fll >= exposure time + adjust parameter (default value is 10) */ |
| exposure_max = mode->fll_def - 10; |
| imx355->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_EXPOSURE, |
| IMX355_EXPOSURE_MIN, exposure_max, |
| IMX355_EXPOSURE_STEP, |
| IMX355_EXPOSURE_DEFAULT); |
| |
| imx355->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_HFLIP, 0, 1, 1, 0); |
| if (imx355->hflip) |
| imx355->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; |
| imx355->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_VFLIP, 0, 1, 1, 0); |
| if (imx355->vflip) |
| imx355->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; |
| |
| v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, |
| IMX355_ANA_GAIN_MIN, IMX355_ANA_GAIN_MAX, |
| IMX355_ANA_GAIN_STEP, IMX355_ANA_GAIN_DEFAULT); |
| |
| /* Digital gain */ |
| v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, V4L2_CID_DIGITAL_GAIN, |
| IMX355_DGTL_GAIN_MIN, IMX355_DGTL_GAIN_MAX, |
| IMX355_DGTL_GAIN_STEP, IMX355_DGTL_GAIN_DEFAULT); |
| |
| v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &imx355_ctrl_ops, |
| V4L2_CID_TEST_PATTERN, |
| ARRAY_SIZE(imx355_test_pattern_menu) - 1, |
| 0, 0, imx355_test_pattern_menu); |
| if (ctrl_hdlr->error) { |
| ret = ctrl_hdlr->error; |
| dev_err(&client->dev, "control init failed: %d", ret); |
| goto error; |
| } |
| |
| imx355->sd.ctrl_handler = ctrl_hdlr; |
| |
| return 0; |
| |
| error: |
| v4l2_ctrl_handler_free(ctrl_hdlr); |
| |
| return ret; |
| } |
| |
| static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev) |
| { |
| struct imx355_hwcfg *cfg; |
| struct v4l2_fwnode_endpoint bus_cfg = { |
| .bus_type = V4L2_MBUS_CSI2_DPHY |
| }; |
| struct fwnode_handle *ep; |
| struct fwnode_handle *fwnode = dev_fwnode(dev); |
| int ret; |
| |
| if (!fwnode) |
| return NULL; |
| |
| ep = fwnode_graph_get_next_endpoint(fwnode, NULL); |
| if (!ep) |
| return NULL; |
| |
| ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); |
| if (ret) |
| goto out_err; |
| |
| cfg = devm_kzalloc(dev, sizeof(*cfg), GFP_KERNEL); |
| if (!cfg) |
| goto out_err; |
| |
| ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency", |
| &cfg->ext_clk); |
| if (ret) { |
| dev_err(dev, "can't get clock frequency"); |
| goto out_err; |
| } |
| |
| dev_dbg(dev, "ext clk: %d", cfg->ext_clk); |
| if (cfg->ext_clk != IMX355_EXT_CLK) { |
| dev_err(dev, "external clock %d is not supported", |
| cfg->ext_clk); |
| goto out_err; |
| } |
| |
| ret = v4l2_link_freq_to_bitmap(dev, bus_cfg.link_frequencies, |
| bus_cfg.nr_of_link_frequencies, |
| link_freq_menu_items, |
| ARRAY_SIZE(link_freq_menu_items), |
| &cfg->link_freq_bitmap); |
| if (ret) |
| goto out_err; |
| |
| v4l2_fwnode_endpoint_free(&bus_cfg); |
| fwnode_handle_put(ep); |
| return cfg; |
| |
| out_err: |
| v4l2_fwnode_endpoint_free(&bus_cfg); |
| fwnode_handle_put(ep); |
| return NULL; |
| } |
| |
| static int imx355_probe(struct i2c_client *client) |
| { |
| struct imx355 *imx355; |
| int ret; |
| |
| imx355 = devm_kzalloc(&client->dev, sizeof(*imx355), GFP_KERNEL); |
| if (!imx355) |
| return -ENOMEM; |
| |
| mutex_init(&imx355->mutex); |
| |
| /* Initialize subdev */ |
| v4l2_i2c_subdev_init(&imx355->sd, client, &imx355_subdev_ops); |
| |
| /* Check module identity */ |
| ret = imx355_identify_module(imx355); |
| if (ret) { |
| dev_err(&client->dev, "failed to find sensor: %d", ret); |
| goto error_probe; |
| } |
| |
| imx355->hwcfg = imx355_get_hwcfg(&client->dev); |
| if (!imx355->hwcfg) { |
| dev_err(&client->dev, "failed to get hwcfg"); |
| ret = -ENODEV; |
| goto error_probe; |
| } |
| |
| /* Set default mode to max resolution */ |
| imx355->cur_mode = &supported_modes[0]; |
| |
| ret = imx355_init_controls(imx355); |
| if (ret) { |
| dev_err(&client->dev, "failed to init controls: %d", ret); |
| goto error_probe; |
| } |
| |
| /* Initialize subdev */ |
| imx355->sd.internal_ops = &imx355_internal_ops; |
| imx355->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | |
| V4L2_SUBDEV_FL_HAS_EVENTS; |
| imx355->sd.entity.ops = &imx355_subdev_entity_ops; |
| imx355->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| |
| /* Initialize source pad */ |
| imx355->pad.flags = MEDIA_PAD_FL_SOURCE; |
| ret = media_entity_pads_init(&imx355->sd.entity, 1, &imx355->pad); |
| if (ret) { |
| dev_err(&client->dev, "failed to init entity pads: %d", ret); |
| goto error_handler_free; |
| } |
| |
| /* |
| * Device is already turned on by i2c-core with ACPI domain PM. |
| * Enable runtime PM and turn off the device. |
| */ |
| pm_runtime_set_active(&client->dev); |
| pm_runtime_enable(&client->dev); |
| pm_runtime_idle(&client->dev); |
| |
| ret = v4l2_async_register_subdev_sensor(&imx355->sd); |
| if (ret < 0) |
| goto error_media_entity_runtime_pm; |
| |
| return 0; |
| |
| error_media_entity_runtime_pm: |
| pm_runtime_disable(&client->dev); |
| pm_runtime_set_suspended(&client->dev); |
| media_entity_cleanup(&imx355->sd.entity); |
| |
| error_handler_free: |
| v4l2_ctrl_handler_free(imx355->sd.ctrl_handler); |
| |
| error_probe: |
| mutex_destroy(&imx355->mutex); |
| |
| return ret; |
| } |
| |
| static void imx355_remove(struct i2c_client *client) |
| { |
| struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| struct imx355 *imx355 = to_imx355(sd); |
| |
| v4l2_async_unregister_subdev(sd); |
| media_entity_cleanup(&sd->entity); |
| v4l2_ctrl_handler_free(sd->ctrl_handler); |
| |
| pm_runtime_disable(&client->dev); |
| pm_runtime_set_suspended(&client->dev); |
| |
| mutex_destroy(&imx355->mutex); |
| } |
| |
| static const struct acpi_device_id imx355_acpi_ids[] __maybe_unused = { |
| { "SONY355A" }, |
| { /* sentinel */ } |
| }; |
| MODULE_DEVICE_TABLE(acpi, imx355_acpi_ids); |
| |
| static struct i2c_driver imx355_i2c_driver = { |
| .driver = { |
| .name = "imx355", |
| .acpi_match_table = ACPI_PTR(imx355_acpi_ids), |
| }, |
| .probe = imx355_probe, |
| .remove = imx355_remove, |
| }; |
| module_i2c_driver(imx355_i2c_driver); |
| |
| MODULE_AUTHOR("Qiu, Tianshu <tian.shu.qiu@intel.com>"); |
| MODULE_AUTHOR("Rapolu, Chiranjeevi"); |
| MODULE_AUTHOR("Bingbu Cao <bingbu.cao@intel.com>"); |
| MODULE_AUTHOR("Yang, Hyungwoo"); |
| MODULE_DESCRIPTION("Sony imx355 sensor driver"); |
| MODULE_LICENSE("GPL v2"); |
