diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 5812988f4d5c..1db5086e1add 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1837,6 +1837,17 @@ config VIDEO_SC500AI To compile this driver as a module, choose M here: the module will be called SC500AI. +config VIDEO_SC5239 + tristate "SmartSens SC5239 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on MEDIA_CAMERA_SUPPORT + select V4L2_FWNODE + help + Support for the SmartSens SC5239 sensor. + + To compile this driver as a module, choose M here: the + module will be called SC5239. + config VIDEO_SC8220 tristate "SmartSens SC8220 sensor support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 3eab36772fa9..8c231b5df6b2 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -197,6 +197,7 @@ obj-$(CONFIG_VIDEO_SC401AI) += sc401ai.o obj-$(CONFIG_VIDEO_SC4238) += sc4238.o obj-$(CONFIG_VIDEO_SC430CS) += sc430cs.o obj-$(CONFIG_VIDEO_SC500AI) += sc500ai.o +obj-$(CONFIG_VIDEO_SC5239) += sc5239.o obj-$(CONFIG_VIDEO_SC8220) += sc8220.o obj-$(CONFIG_VIDEO_SP250A) += sp250a.o obj-$(CONFIG_VIDEO_HYNIX_HI556) += hynix_hi556.o diff --git a/drivers/media/i2c/sc5239.c b/drivers/media/i2c/sc5239.c new file mode 100644 index 000000000000..544d70677ec4 --- /dev/null +++ b/drivers/media/i2c/sc5239.c @@ -0,0 +1,1554 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * sc5239 sensor driver + * + * Copyright (C) 2020 Rockchip Electronics Co., Ltd. + * + * V0.0X01.0X00 first version. + */ + +//#define DEBUG +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x00) + +#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" +#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" + +#define SC5239_NAME "sc5239" +#define SC5239_MEDIA_BUS_FMT MEDIA_BUS_FMT_SBGGR10_1X10 +#define SC5239_LINK_FREQ_600M 300000000 +#define SC5239_LINK_FREQ_828M 414000000 + +#define SC5239_XVCLK_FREQ 24000000 + +#define SC5239_REG_CHIP_ID_H 0x3107 +#define SC5239_REG_CHIP_ID_L 0x3108 + +#define SC5239_REG_EXP_LONG_H 0x3e01 +#define SC5239_REG_EXP_LONG_L 0x3e02 +#define SC5239_REG_EXP_SHORT_H 0x3e04 +#define SC5239_REG_EXP_SHORT_L 0x3e05 + +#define SC5239_REG_LONG_DGAIN 0x3e06 +#define SC5239_REG_LONG_FINE_DGAIN 0x3e07 +#define SC5239_REG_LONG_AGAIN 0x3e08 +#define SC5239_REG_LONG_FINE_AGAIN 0x3e09 + +#define SC5239_REG_SHORT_DGAIN 0x3e10 +#define SC5239_REG_SHORT_FINE_DGAIN 0x3e11 +#define SC5239_REG_SHORT_AGAIN 0x3e12 +#define SC5239_REG_SHORT_FINE_AGAIN 0x3e13 + +#define SC5239_FLIP_MIRROR_REG 0x3221 +#define SC5239_MIRROR_MASK 0x06 +#define SC5239_FLIP_MASK 0xe0 + +#define SC5239_REG_CTRL_MODE 0x0100 +#define SC5239_MODE_SW_STANDBY 0x0 +#define SC5239_MODE_STREAMING BIT(0) + +#define SC5239_CHIP_ID 0x5235 + +#define SC5239_REG_VTS_H 0x320e +#define SC5239_REG_VTS_L 0x320f + +#define SC5239_VTS_MAX 0x3FFF +#define SC5239_HTS_MAX 0x0FFF + +#define SC5239_EXPOSURE_NORMAL_MAX 0x118A +#define SC5239_EXPOSURE_NORMAL_MIN 3 +#define SC5239_EXPOSURE_NORMAL_STEP 1 + +#define SC5239_GAIN_MIN 0x20 +#define SC5239_GAIN_MAX 0x4000 +#define SC5239_GAIN_STEP 1 +#define SC5239_GAIN_DEFAULT 0x20 + +#define SC5239_LANES 2 + +static const char * const sc5239_supply_names[] = { + "dovdd", /* Digital I/O power */ + "avdd", /* Analog power */ + "dvdd", /* Digital power */ +}; + +#define SC5239_NUM_SUPPLIES ARRAY_SIZE(sc5239_supply_names) + +#define to_sc5239(sd) container_of(sd, struct sc5239, subdev) + +enum { + PAD0, + PAD1, + PAD2, + PAD3, + PAD_MAX, +}; + +enum { + LINK_FREQ_INDEX, + LINK_FREQ_15FPS_24MHz_HDR, +}; + +struct sc5239_mode { + u32 bus_fmt; + u32 width; + u32 height; + struct v4l2_fract max_fps; + u32 hts_def; + u32 vts_def; + u32 exp_def; + u32 link_freq_index; + u32 bpp; + const struct reg_sequence *reg_list; + u32 reg_num; + u32 hdr_mode; + u32 vc[PAD_MAX]; +}; + +struct sc5239 { + struct i2c_client *client; + struct device *dev; + struct clk *xvclk; + struct regmap *regmap; + struct gpio_desc *reset_gpio; + struct gpio_desc *pwdn_gpio; + struct regulator_bulk_data supplies[SC5239_NUM_SUPPLIES]; + struct pinctrl *pinctrl; + struct pinctrl_state *pins_default; + struct pinctrl_state *pins_sleep; + struct v4l2_subdev subdev; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *anal_gain; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *h_flip; + struct v4l2_ctrl *v_flip; + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *pixel_rate; + struct mutex lock; + bool streaming; + bool power_on; + unsigned int cfg_num; + const struct sc5239_mode *cur_mode; + u32 module_index; + const char *module_facing; + const char *module_name; + const char *len_name; + bool has_init_exp; + struct preisp_hdrae_exp_s init_hdrae_exp; +}; + +static const struct regmap_config sc5239_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .max_register = 0xff00, +}; + +static const s64 link_freq_menu_items[] = { + SC5239_LINK_FREQ_600M, + SC5239_LINK_FREQ_828M, +}; + +/* + * window size=2560*1920 mipi@2lane + * mclk=24M mipi_clk=600Mbps + * pixel_line_total=xxxx line_frame_total=2256 + * row_time=60us frame_rate=15fps + */ +static const struct reg_sequence sc5239_24M_2560_1920_liner_15fps_settings[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x3039, 0x80}, + {0x3029, 0x80}, + {0x302a, 0x36}, + {0x302b, 0x10}, + {0x302c, 0x00}, + {0x302d, 0x03}, + {0x3038, 0x44}, + {0x303a, 0x3b}, + {0x303d, 0x20}, + {0x3200, 0x00}, + {0x3201, 0x14}, + {0x3202, 0x00}, + {0x3203, 0x10}, + {0x3204, 0x0a}, + {0x3205, 0x1c}, + {0x3206, 0x07}, + {0x3207, 0x97}, + {0x3208, 0x0a}, + {0x3209, 0x00}, + {0x320a, 0x07}, + {0x320b, 0x80}, + {0x320c, 0x05}, + {0x320d, 0xdc}, + {0x320e, 0x0a}, + {0x320f, 0x6a}, + {0x3211, 0x05}, + {0x3213, 0x04}, + {0x3221, 0x00}, + {0x3235, 0x0f}, + {0x3236, 0x9e}, + {0x3301, 0x1c}, + {0x3303, 0x28}, + {0x3304, 0x10}, + {0x3306, 0x50}, + {0x3308, 0x10}, + {0x3309, 0x70}, + {0x330a, 0x00}, + {0x330b, 0xb8}, + {0x330e, 0x20}, + {0x3314, 0x14}, + {0x3315, 0x02}, + {0x331b, 0x83}, + {0x331e, 0x19}, + {0x331f, 0x61}, + {0x3320, 0x01}, + {0x3321, 0x04}, + {0x3326, 0x00}, + {0x3333, 0x20}, + {0x3334, 0x40}, + {0x3364, 0x05}, + {0x3366, 0x78}, + {0x3367, 0x08}, + {0x3368, 0x03}, + {0x3369, 0x00}, + {0x336a, 0x00}, + {0x336b, 0x00}, + {0x336c, 0x01}, + {0x336d, 0x40}, + {0x337f, 0x03}, + {0x338f, 0x40}, + {0x33b6, 0x07}, + {0x33b7, 0x17}, + {0x33b8, 0x20}, + {0x33b9, 0x20}, + {0x33ba, 0x44}, + {0x3620, 0x28}, + {0x3621, 0xac}, + {0x3622, 0xf6}, + {0x3623, 0x10}, + {0x3624, 0x47}, + {0x3625, 0x0b}, + {0x3630, 0x30}, + {0x3631, 0x88}, + {0x3632, 0x18}, + {0x3633, 0x23}, + {0x3634, 0x86}, + {0x3635, 0x4d}, + {0x3636, 0x21}, + {0x3637, 0x20}, + {0x3638, 0x18}, + {0x3639, 0x09}, + {0x363a, 0x83}, + {0x363b, 0x02}, + {0x363c, 0x07}, + {0x363d, 0x03}, + {0x3670, 0x00}, + {0x3677, 0x86}, + {0x3678, 0x86}, + {0x3679, 0xa8}, + {0x367e, 0x08}, + {0x367f, 0x18}, + {0x3802, 0x00}, + {0x3905, 0x98}, + {0x3907, 0x01}, + {0x3908, 0x11}, + {0x390a, 0x00}, + {0x391c, 0x9f}, + {0x391d, 0x00}, + {0x391e, 0x01}, + {0x391f, 0xc0}, + {0x3e00, 0x00}, + {0x3e01, 0xf9}, + {0x3e02, 0x80}, + {0x3e03, 0x0b}, + {0x3e06, 0x00}, + {0x3e07, 0x80}, + {0x3e08, 0x03}, + {0x3e09, 0x20}, + {0x3e1e, 0x30}, + {0x3e26, 0x20}, + {0x3f00, 0x0d}, + {0x3f04, 0x02}, + {0x3f05, 0xe6}, + {0x3f08, 0x04}, + {0x4500, 0x5d}, + {0x4509, 0x10}, + {0x4809, 0x01}, + {0x4837, 0x21}, + {0x5000, 0x06}, + {0x5002, 0x06}, + {0x5780, 0x7f}, + {0x5781, 0x06}, + {0x5782, 0x04}, + {0x5783, 0x00}, + {0x5784, 0x00}, + {0x5785, 0x16}, + {0x5786, 0x12}, + {0x5787, 0x08}, + {0x5788, 0x02}, + {0x578b, 0x07}, + {0x57a0, 0x00}, + {0x57a1, 0x72}, + {0x57a2, 0x01}, + {0x57a3, 0xf2}, + {0x6000, 0x20}, + {0x6002, 0x00}, + {0x3039, 0x24}, + {0x3029, 0x27}, +}; + +/* + * window size=2560*1920 mipi@2lane + * mclk=24M mipi_clk=600Mbps + * pixel_line_total= line_frame_total=2256 + * row_time=60us frame_rate=15fps + */ +static const struct reg_sequence sc5239_24M_2560_1920_hdr_15fps_settings[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x3039, 0x80}, + {0x3029, 0x80}, + {0x301f, 0x1b}, + {0x302a, 0x69}, + {0x302b, 0x01}, + {0x302c, 0x00}, + {0x302d, 0x03}, + {0x3037, 0x26}, + {0x3038, 0x66}, + {0x303a, 0x29}, + {0x303b, 0x0a}, + {0x303c, 0x0e}, + {0x303d, 0x03}, + {0x3200, 0x00}, + {0x3201, 0x10}, + {0x3202, 0x00}, + {0x3203, 0x0c}, + {0x3204, 0x0a}, + {0x3205, 0x1f}, + {0x3206, 0x07}, + {0x3207, 0x93}, + {0x3208, 0x0a}, + {0x3209, 0x00}, + {0x320a, 0x07}, + {0x320b, 0x80}, + {0x320c, 0x05}, + {0x320d, 0x64}, + {0x320e, 0x0f}, + {0x320f, 0xa0}, + {0x3210, 0x00}, + {0x3211, 0x08}, + {0x3212, 0x00}, + {0x3213, 0x04}, + {0x3220, 0x50}, + {0x3221, 0x00}, + {0x3235, 0x1f}, + {0x3236, 0x3e}, + {0x3301, 0x38}, + {0x3303, 0x20}, + {0x3304, 0x10}, + {0x3306, 0x58}, + {0x3308, 0x10}, + {0x3309, 0x60}, + {0x330a, 0x00}, + {0x330b, 0xb8}, + {0x330d, 0x30}, + {0x330e, 0x20}, + {0x3314, 0x14}, + {0x3315, 0x02}, + {0x331b, 0x83}, + {0x331e, 0x19}, + {0x331f, 0x59}, + {0x3320, 0x01}, + {0x3321, 0x04}, + {0x3326, 0x00}, + {0x3332, 0x22}, + {0x3333, 0x20}, + {0x3334, 0x40}, + {0x3350, 0x22}, + {0x3359, 0x22}, + {0x335c, 0x22}, + {0x3364, 0x05}, + {0x3366, 0xc8}, + {0x3367, 0x08}, + {0x3368, 0x03}, + {0x3369, 0x00}, + {0x336a, 0x00}, + {0x336b, 0x00}, + {0x336c, 0x01}, + {0x336d, 0x40}, + {0x337e, 0x88}, + {0x337f, 0x03}, + {0x338f, 0x40}, + {0x33ae, 0x22}, + {0x33af, 0x22}, + {0x33b0, 0x22}, + {0x33b4, 0x22}, + {0x33b6, 0x07}, + {0x33b7, 0x17}, + {0x33b8, 0x20}, + {0x33b9, 0x20}, + {0x33ba, 0x44}, + {0x3614, 0x00}, + {0x3620, 0x28}, + {0x3621, 0xac}, + {0x3622, 0xf6}, + {0x3623, 0x08}, + {0x3624, 0x47}, + {0x3625, 0x0b}, + {0x3630, 0x30}, + {0x3631, 0x88}, + {0x3632, 0x18}, + {0x3633, 0x34}, + {0x3634, 0x86}, + {0x3635, 0x4d}, + {0x3636, 0x21}, + {0x3637, 0x20}, + {0x3638, 0x18}, + {0x3639, 0x09}, + {0x363a, 0x83}, + {0x363b, 0x02}, + {0x363c, 0x07}, + {0x363d, 0x03}, + {0x3670, 0x00}, + {0x3677, 0x86}, + {0x3678, 0x86}, + {0x3679, 0xa8}, + {0x367e, 0x08}, + {0x367f, 0x18}, + {0x3905, 0x98}, + {0x3907, 0x01}, + {0x3908, 0x11}, + {0x390a, 0x00}, + {0x391c, 0x9f}, + {0x391d, 0x00}, + {0x391e, 0x01}, + {0x391f, 0xc0}, + {0x3988, 0x11}, + {0x3e00, 0x01}, + {0x3e01, 0xd4}, + {0x3e02, 0xe0}, + {0x3e03, 0x0b}, + {0x3e04, 0x1d}, + {0x3e05, 0xe0}, + {0x3e06, 0x00}, + {0x3e07, 0x80}, + {0x3e08, 0x03}, + {0x3e09, 0x20}, + {0x3e1e, 0x30}, + {0x3e23, 0x00}, + {0x3e24, 0xf2}, + {0x3e26, 0x20}, + {0x3f00, 0x0d}, + {0x3f02, 0x05}, + {0x3f04, 0x02}, + {0x3f05, 0xaa}, + {0x3f06, 0x21}, + {0x3f08, 0x04}, + {0x4500, 0x5d}, + {0x4502, 0x10}, + {0x4509, 0x10}, + {0x4602, 0x0f}, + {0x4809, 0x01}, + {0x4816, 0x51}, + {0x4837, 0x19}, + {0x5000, 0x20}, + {0x5002, 0x00}, + {0x6000, 0x26}, + {0x6002, 0x06}, + {0x3039, 0x23}, + {0x3029, 0x33}, +}; + +static const struct sc5239_mode supported_modes[] = { + { + .width = 2560, + .height = 1920, + .max_fps = { + .numerator = 10000, + .denominator = 150000, + }, + .exp_def = 0x08f9, + .hts_def = 0x05dc, + .vts_def = 0x0a6a, + .link_freq_index = LINK_FREQ_INDEX, + .bus_fmt = SC5239_MEDIA_BUS_FMT, + .reg_list = sc5239_24M_2560_1920_liner_15fps_settings, + .reg_num = ARRAY_SIZE(sc5239_24M_2560_1920_liner_15fps_settings), + .hdr_mode = NO_HDR, + .bpp = 10, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, + }, + { + .width = 2560, + .height = 1920, + .max_fps = { + .numerator = 10000, + .denominator = 150000, + }, + .exp_def = 0x0ed4, + .hts_def = 0x05dc, + .vts_def = 0x0fa0, + .link_freq_index = LINK_FREQ_15FPS_24MHz_HDR, + .bus_fmt = SC5239_MEDIA_BUS_FMT, + .reg_list = sc5239_24M_2560_1920_hdr_15fps_settings, + .reg_num = ARRAY_SIZE(sc5239_24M_2560_1920_hdr_15fps_settings), + .hdr_mode = HDR_X2, + .bpp = 10, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_0, + .vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_1, + }, +}; + +/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */ +static u64 to_pixel_rate(u32 index) +{ + u64 pixel_rate = link_freq_menu_items[index] * 2 * SC5239_LANES; + + do_div(pixel_rate, 10); + return pixel_rate; +} + +static inline int sc5239_read_reg(struct sc5239 *sc5239, u16 addr, u8 *value) +{ + unsigned int val; + int ret; + + ret = regmap_read(sc5239->regmap, addr, &val); + if (ret) { + dev_err(sc5239->dev, "i2c read failed at addr: %x\n", addr); + return ret; + } + *value = val & 0xff; + return 0; +} + +static inline int sc5239_write_reg(struct sc5239 *sc5239, u16 addr, u8 value) +{ + int ret; + + ret = regmap_write(sc5239->regmap, addr, value); + if (ret) { + dev_err(sc5239->dev, "i2c write failed at addr: %x\n", addr); + return ret; + } + return ret; +} + +static void sc5239_get_gain_reg(u32 total_gain, u32 *again, u32 *again_fine, + u32 *dgain, u32 *dgain_fine) +{ + if (total_gain < 0x40) {/* 1 ~ 2 gain */ + *again = 0x03; + *again_fine = total_gain; + *dgain = 0x00; + *dgain_fine = 0x80; + } else if (total_gain < 0x80) {/* 2 ~ 4 gain */ + *again = 0x07; + *again_fine = total_gain >> 1; + *dgain = 0x00; + *dgain_fine = 0x80; + } else if (total_gain < 0x100) {/* 4 ~ 8 gain */ + *again = 0x0F; + *again_fine = total_gain >> 2; + *dgain = 0x00; + *dgain_fine = 0x80; + } else if (total_gain < 0x200) {/* 8 ~ 16 gain */ + *again = 0x01F; + *again_fine = total_gain >> 3; + *dgain = 0x00; + *dgain_fine = 0x80; + } else if (total_gain < 0x400) {/* 16 ~ 32 gain */ + *again = 0x1F; + *again_fine = 0x3F; + *dgain = 0x00; + *dgain_fine = total_gain >> 2; + } else if (total_gain < 0x800) {/* 32 ~ 64 gain */ + *again = 0x1F; + *again_fine = 0x3F; + *dgain = 0x01; + *dgain_fine = total_gain >> 3; + } else if (total_gain < 0x1000) {/* 64 ~ 128 gain */ + *again = 0x1F; + *dgain_fine = 0x3F; + *dgain = 0x03; + *dgain_fine = total_gain >> 4; + } else if (total_gain < 0x2000) {/* 128 ~ 256 gain */ + *again = 0x1F; + *again_fine = 0x3F; + *dgain = 0x07; + *dgain_fine = total_gain >> 5; + } else if (total_gain < 0x4000) {/* 256 ~ 512 gain */ + *again = 0x1F; + *again_fine = 0x3F; + *dgain = 0x0F; + *dgain_fine = total_gain >> 6; + } +} + +static int sc5239_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct sc5239 *sc5239 = container_of(ctrl->handler, + struct sc5239, ctrl_handler); + s64 max; + u32 again = 0, again_fine = 0, dgain = 0, dgain_fine = 0; + int ret = 0; + u32 vts = 0; + u8 val = 0; + + /* Propagate change of current control to all related controls */ + switch (ctrl->id) { + case V4L2_CID_VBLANK: + /* Update max exposure while meeting expected vblanking */ + max = ((sc5239->cur_mode->height + ctrl->val) << 1) - 4; + __v4l2_ctrl_modify_range(sc5239->exposure, + sc5239->exposure->minimum, max, + sc5239->exposure->step, + sc5239->exposure->default_value); + break; + } + + if (pm_runtime_get(sc5239->dev) <= 0) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + if (sc5239->cur_mode->hdr_mode != NO_HDR) + return ret; + dev_dbg(sc5239->dev, "set exposure 0x%x\n", ctrl->val); + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_H, ctrl->val >> 4); + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_L, ctrl->val << 4); + break; + case V4L2_CID_ANALOGUE_GAIN: + if (sc5239->cur_mode->hdr_mode != NO_HDR) + return ret; + dev_dbg(sc5239->dev, "set again 0x%x\n", ctrl->val); + sc5239_get_gain_reg(ctrl->val, &again, &again_fine, &dgain, &dgain_fine); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_DGAIN, dgain); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_DGAIN, dgain_fine); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_AGAIN, again); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_AGAIN, again_fine); + break; + case V4L2_CID_VBLANK: + dev_dbg(sc5239->dev, "set vblank 0x%x\n", ctrl->val); + vts = ctrl->val + sc5239->cur_mode->height; + ret |= sc5239_write_reg(sc5239, SC5239_REG_VTS_H, (vts >> 8) & 0xff); + ret |= sc5239_write_reg(sc5239, SC5239_REG_VTS_L, vts & 0xff); + break; + case V4L2_CID_HFLIP: + ret |= sc5239_read_reg(sc5239, SC5239_FLIP_MIRROR_REG, &val); + if (ret) + break; + + if (ctrl->val) + val |= SC5239_MIRROR_MASK; + else + val &= ~SC5239_MIRROR_MASK; + ret |= sc5239_write_reg(sc5239, SC5239_FLIP_MIRROR_REG, val); + break; + case V4L2_CID_VFLIP: + ret |= sc5239_read_reg(sc5239, SC5239_FLIP_MIRROR_REG, &val); + if (ret) + break; + + if (ctrl->val) + val |= SC5239_FLIP_MASK; + else + val &= ~SC5239_FLIP_MASK; + ret |= sc5239_write_reg(sc5239, SC5239_FLIP_MIRROR_REG, val); + break; + default: + dev_warn(sc5239->dev, "%s Unhandled id:0x%x, val:0x%x\n", + __func__, ctrl->id, ctrl->val); + break; + } + pm_runtime_put(sc5239->dev); + return ret; +} + +static const struct v4l2_ctrl_ops sc5239_ctrl_ops = { + .s_ctrl = sc5239_set_ctrl, +}; + +static int sc5239_get_regulators(struct sc5239 *sc5239) +{ + unsigned int i; + + for (i = 0; i < SC5239_NUM_SUPPLIES; i++) + sc5239->supplies[i].supply = sc5239_supply_names[i]; + return devm_regulator_bulk_get(sc5239->dev, + SC5239_NUM_SUPPLIES, + sc5239->supplies); +} + +static int sc5239_initialize_controls(struct sc5239 *sc5239) +{ + const struct sc5239_mode *mode; + struct v4l2_ctrl_handler *handler; + s64 exposure_max, vblank_def; + u32 h_blank; + int ret; + + handler = &sc5239->ctrl_handler; + mode = sc5239->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 8); + if (ret) + return ret; + handler->lock = &sc5239->lock; + sc5239->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, + ARRAY_SIZE(link_freq_menu_items) - 1, 0, + link_freq_menu_items); + + sc5239->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, + 0, to_pixel_rate(LINK_FREQ_INDEX), + 1, to_pixel_rate(LINK_FREQ_INDEX)); + h_blank = mode->hts_def - mode->width; + + sc5239->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (sc5239->hblank) + sc5239->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + vblank_def = mode->vts_def - mode->height; + + sc5239->vblank = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + SC5239_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = (2 * mode->vts_def - 8); + + sc5239->exposure = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops, + V4L2_CID_EXPOSURE, SC5239_EXPOSURE_NORMAL_MIN, + exposure_max, SC5239_EXPOSURE_NORMAL_STEP, + mode->exp_def); + + sc5239->anal_gain = v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, SC5239_GAIN_MIN, + SC5239_GAIN_MAX, SC5239_GAIN_STEP, + SC5239_GAIN_DEFAULT); + + v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + + v4l2_ctrl_new_std(handler, &sc5239_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + + if (handler->error) { + ret = handler->error; + dev_err(sc5239->dev, "Failed to init controls(%d)\n", ret); + goto err_free_handler; + } + + sc5239->subdev.ctrl_handler = handler; + sc5239->has_init_exp = false; + + return 0; +err_free_handler: + v4l2_ctrl_handler_free(handler); + return ret; +} + +static int __sc5239_power_on(struct sc5239 *sc5239) +{ + int ret; + struct device *dev = sc5239->dev; + + if (!IS_ERR_OR_NULL(sc5239->pins_default)) { + ret = pinctrl_select_state(sc5239->pinctrl, + sc5239->pins_default); + if (ret < 0) + dev_err(dev, "could not set pins\n"); + } + ret = clk_set_rate(sc5239->xvclk, SC5239_XVCLK_FREQ); + if (ret < 0) + dev_warn(dev, "Failed to set xvclk rate\n"); + if (clk_get_rate(sc5239->xvclk) != SC5239_XVCLK_FREQ) + dev_warn(dev, "xvclk mismatched, modes are based on 27MHz\n"); + ret = clk_prepare_enable(sc5239->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + ret = regulator_bulk_enable(SC5239_NUM_SUPPLIES, sc5239->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators\n"); + goto disable_clk; + } + if (!IS_ERR(sc5239->reset_gpio)) + gpiod_set_value_cansleep(sc5239->reset_gpio, 1); + usleep_range(1000, 2000); + if (!IS_ERR(sc5239->pwdn_gpio)) + gpiod_set_value_cansleep(sc5239->pwdn_gpio, 1); + if (!IS_ERR(sc5239->reset_gpio)) + gpiod_set_value_cansleep(sc5239->reset_gpio, 0); + + return 0; +disable_clk: + clk_disable_unprepare(sc5239->xvclk); + + if (!IS_ERR_OR_NULL(sc5239->pins_sleep)) + pinctrl_select_state(sc5239->pinctrl, sc5239->pins_sleep); + + return ret; +} + +static void __sc5239_power_off(struct sc5239 *sc5239) +{ + int ret; + struct device *dev = sc5239->dev; + + if (!IS_ERR_OR_NULL(sc5239->pins_sleep)) { + ret = pinctrl_select_state(sc5239->pinctrl, + sc5239->pins_sleep); + if (ret < 0) + dev_dbg(dev, "could not set pins\n"); + } + if (!IS_ERR(sc5239->reset_gpio)) + gpiod_set_value_cansleep(sc5239->reset_gpio, 1); + if (!IS_ERR(sc5239->pwdn_gpio)) + gpiod_set_value_cansleep(sc5239->pwdn_gpio, 0); + regulator_bulk_disable(SC5239_NUM_SUPPLIES, sc5239->supplies); + clk_disable_unprepare(sc5239->xvclk); +} + +static int sc5239_check_sensor_id(struct sc5239 *sc5239) +{ + u8 id_h = 0, id_l = 0; + u16 id = 0; + int ret = 0; + + ret = sc5239_read_reg(sc5239, SC5239_REG_CHIP_ID_H, &id_h); + ret |= sc5239_read_reg(sc5239, SC5239_REG_CHIP_ID_L, &id_l); + if (ret) { + dev_err(sc5239->dev, "Failed to read sensor id, (%d)\n", ret); + return ret; + } + id = id_h << 8 | id_l; + if (id != SC5239_CHIP_ID) { + dev_err(sc5239->dev, "sensor id: %04X mismatched\n", id); + return -ENODEV; + } + dev_info(sc5239->dev, "Detected SC5239 sensor\n"); + + return 0; +} + +static void sc5239_get_module_inf(struct sc5239 *sc5239, + struct rkmodule_inf *inf) +{ + memset(inf, 0, sizeof(*inf)); + strscpy(inf->base.lens, sc5239->len_name, sizeof(inf->base.lens)); + strscpy(inf->base.sensor, SC5239_NAME, sizeof(inf->base.sensor)); + strscpy(inf->base.module, sc5239->module_name, sizeof(inf->base.module)); +} + +static int sc5239_set_hdrae(struct sc5239 *sc5239, + struct preisp_hdrae_exp_s *ae) +{ + int ret = 0; + u32 l_exp_time, m_exp_time, s_exp_time; + u32 l_t_gain, m_t_gain, s_t_gain; + u32 l_again = 0, l_again_fine = 0, l_dgain = 0, l_dgain_fine = 0; + u32 s_again = 0, s_again_fine = 0, s_dgain = 0, s_dgain_fine = 0; + + if (!sc5239->has_init_exp && !sc5239->streaming) { + sc5239->init_hdrae_exp = *ae; + sc5239->has_init_exp = true; + dev_dbg(&sc5239->client->dev, "sc5239 don't stream, record exp for hdr!\n"); + return ret; + } + + l_exp_time = ae->long_exp_reg; + m_exp_time = ae->middle_exp_reg; + s_exp_time = ae->short_exp_reg; + l_t_gain = ae->long_gain_reg; + m_t_gain = ae->middle_gain_reg; + s_t_gain = ae->short_gain_reg; + + dev_dbg(&sc5239->client->dev, + "rev exp req: L_exp: 0x%x, M_exp: 0x%x, S_exp: 0x%x, L_tgain: 0x%x, M_tgain: 0x%x, S_tgain: 0x%x\n", + l_exp_time, m_exp_time, s_exp_time, + l_t_gain, m_t_gain, s_t_gain); + + if (sc5239->cur_mode->hdr_mode == HDR_X2) { + //2 stagger + l_t_gain = m_t_gain; + l_exp_time = m_exp_time; + } + + l_exp_time = l_exp_time << 1; + s_exp_time = s_exp_time << 1; + + // set exposure reg + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_L, (l_exp_time << 4) & 0xff); + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_LONG_H, (l_exp_time >> 4)); + + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_SHORT_L, (s_exp_time << 4) & 0xff); + ret |= sc5239_write_reg(sc5239, SC5239_REG_EXP_SHORT_H, (s_exp_time >> 4)); + + // set gain reg + sc5239_get_gain_reg(l_t_gain, &l_again, &l_again_fine, &l_dgain, &l_dgain_fine); + sc5239_get_gain_reg(s_t_gain, &s_again, &s_again_fine, &s_dgain, &s_dgain_fine); + + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_DGAIN, l_dgain); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_DGAIN, l_dgain_fine); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_AGAIN, l_again); + ret |= sc5239_write_reg(sc5239, SC5239_REG_LONG_FINE_AGAIN, l_again_fine); + + ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_DGAIN, s_dgain); + ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_FINE_DGAIN, s_dgain_fine); + ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_AGAIN, s_again); + ret |= sc5239_write_reg(sc5239, SC5239_REG_SHORT_FINE_AGAIN, s_again_fine); + + return ret; +} + +static long sc5239_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + struct rkmodule_hdr_cfg *hdr_cfg; + const struct sc5239_mode *mode; + long ret = 0; + u32 stream = 0; + u32 i, h, w; + u64 pixel_rate = 0; + + switch (cmd) { + case RKMODULE_GET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + hdr_cfg->esp.mode = HDR_NORMAL_VC; + hdr_cfg->hdr_mode = sc5239->cur_mode->hdr_mode; + break; + case RKMODULE_GET_MODULE_INFO: + sc5239_get_module_inf(sc5239, (struct rkmodule_inf *)arg); + break; + case RKMODULE_SET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + w = sc5239->cur_mode->width; + h = sc5239->cur_mode->height; + + for (i = 0; i < sc5239->cfg_num; i++) { + if (w == supported_modes[i].width && + h == supported_modes[i].height && + supported_modes[i].hdr_mode == hdr_cfg->hdr_mode) { + sc5239->cur_mode = &supported_modes[i]; + break; + } + } + if (i == sc5239->cfg_num) { + dev_err(sc5239->dev, "not find hdr mode:%d %dx%d config\n", + hdr_cfg->hdr_mode, w, h); + ret = -EINVAL; + } else { + mode = sc5239->cur_mode; + w = mode->hts_def - mode->width; + h = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(sc5239->hblank, w, w, 1, w); + __v4l2_ctrl_modify_range(sc5239->vblank, h, + SC5239_VTS_MAX - mode->height, 1, h); + + __v4l2_ctrl_s_ctrl(sc5239->link_freq, mode->link_freq_index); + pixel_rate = (u32)link_freq_menu_items[mode->link_freq_index] + / mode->bpp * 2 * SC5239_LANES; + __v4l2_ctrl_s_ctrl_int64(sc5239->pixel_rate, pixel_rate); + + dev_info(sc5239->dev, "sensor mode: %d\n", mode->hdr_mode); + } + break; + case PREISP_CMD_SET_HDRAE_EXP: + if (sc5239->cur_mode->hdr_mode == HDR_X2) + ret = sc5239_set_hdrae(sc5239, arg); + break; + case RKMODULE_SET_QUICK_STREAM: + stream = *((u32 *)arg); + if (stream) + ret = sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, + SC5239_MODE_STREAMING); + else + ret = sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, + SC5239_MODE_SW_STANDBY); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + return ret; +} + +static int __sc5239_start_stream(struct sc5239 *sc5239) +{ + int ret; + + ret = regmap_multi_reg_write(sc5239->regmap, + sc5239->cur_mode->reg_list, + sc5239->cur_mode->reg_num); + if (ret) + return ret; + __v4l2_ctrl_handler_setup(&sc5239->ctrl_handler); + return sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, SC5239_MODE_STREAMING); +} + +static int __sc5239_stop_stream(struct sc5239 *sc5239) +{ + sc5239->has_init_exp = false; + return sc5239_write_reg(sc5239, SC5239_REG_CTRL_MODE, SC5239_MODE_SW_STANDBY); +} + +#ifdef CONFIG_COMPAT +static long sc5239_compat_ioctl32(struct v4l2_subdev *sd, + unsigned int cmd, unsigned long arg) +{ + void __user *up = compat_ptr(arg); + struct rkmodule_inf *inf; + struct rkmodule_hdr_cfg *hdr; + struct preisp_hdrae_exp_s *hdrae; + u32 stream = 0; + long ret = 0; + + switch (cmd) { + case RKMODULE_GET_MODULE_INFO: + inf = kzalloc(sizeof(*inf), GFP_KERNEL); + if (!inf) { + ret = -ENOMEM; + return ret; + } + ret = sc5239_ioctl(sd, cmd, inf); + if (!ret) { + ret = copy_to_user(up, inf, sizeof(*inf)); + if (ret) + ret = -EFAULT; + } + kfree(inf); + break; + case RKMODULE_GET_HDR_CFG: + hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); + if (!hdr) { + ret = -ENOMEM; + return ret; + } + ret = sc5239_ioctl(sd, cmd, hdr); + if (!ret) { + ret = copy_to_user(up, hdr, sizeof(*hdr)); + if (ret) + ret = -EFAULT; + } + kfree(hdr); + break; + case RKMODULE_SET_HDR_CFG: + hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); + if (!hdr) { + ret = -ENOMEM; + return ret; + } + + if (copy_from_user(hdr, up, sizeof(*hdr))) { + kfree(hdr); + return -EFAULT; + } + + ret = sc5239_ioctl(sd, cmd, hdr); + + kfree(hdr); + break; + case PREISP_CMD_SET_HDRAE_EXP: + hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL); + if (!hdrae) { + ret = -ENOMEM; + return ret; + } + + if (copy_from_user(hdrae, up, sizeof(*hdrae))) { + kfree(hdrae); + return -EFAULT; + } + + ret = sc5239_ioctl(sd, cmd, hdrae); + + kfree(hdrae); + break; + case RKMODULE_SET_QUICK_STREAM: + if (copy_from_user(&stream, up, sizeof(u32))) + return -EFAULT; + + ret = sc5239_ioctl(sd, cmd, &stream); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + return ret; +} +#endif + +static int sc5239_s_stream(struct v4l2_subdev *sd, int on) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + int ret = 0; + + mutex_lock(&sc5239->lock); + on = !!on; + if (on == sc5239->streaming) + goto unlock_and_return; + if (on) { + ret = pm_runtime_get_sync(sc5239->dev); + if (ret < 0) { + pm_runtime_put_noidle(sc5239->dev); + goto unlock_and_return; + } + ret = __sc5239_start_stream(sc5239); + if (ret) { + dev_err(sc5239->dev, "Failed to start sc5239 stream\n"); + pm_runtime_put(sc5239->dev); + goto unlock_and_return; + } + } else { + __sc5239_stop_stream(sc5239); + pm_runtime_put(sc5239->dev); + } + sc5239->streaming = on; +unlock_and_return: + mutex_unlock(&sc5239->lock); + return 0; +} + +static int sc5239_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + const struct sc5239_mode *mode = sc5239->cur_mode; + + mutex_lock(&sc5239->lock); + fi->interval = mode->max_fps; + mutex_unlock(&sc5239->lock); + return 0; +} + +static int sc5239_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *config) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + + u32 val = 1 << (SC5239_LANES - 1) | V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; + config->type = V4L2_MBUS_CSI2; + config->flags = (sc5239->cur_mode->hdr_mode == NO_HDR) ? + val : (val | V4L2_MBUS_CSI2_CHANNEL_1); + return 0; +} + +static int sc5239_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index != 0) + return -EINVAL; + code->code = SC5239_MEDIA_BUS_FMT; + return 0; +} + +static int sc5239_enum_frame_sizes(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + + if (fse->index >= sc5239->cfg_num) + return -EINVAL; + + if (fse->code != SC5239_MEDIA_BUS_FMT) + return -EINVAL; + + fse->min_width = supported_modes[fse->index].width; + fse->max_width = supported_modes[fse->index].width; + fse->max_height = supported_modes[fse->index].height; + fse->min_height = supported_modes[fse->index].height; + return 0; +} + +static int sc5239_enum_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + + if (fie->index >= sc5239->cfg_num) + return -EINVAL; + fie->code = SC5239_MEDIA_BUS_FMT; + fie->width = supported_modes[fie->index].width; + fie->height = supported_modes[fie->index].height; + fie->interval = supported_modes[fie->index].max_fps; + fie->reserved[0] = supported_modes[fie->index].hdr_mode; + return 0; +} + +static int sc5239_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + const struct sc5239_mode *mode; + s64 h_blank, vblank_def; + + mutex_lock(&sc5239->lock); + mode = v4l2_find_nearest_size(supported_modes, + ARRAY_SIZE(supported_modes), + width, height, + fmt->format.width, fmt->format.height); + fmt->format.code = SC5239_MEDIA_BUS_FMT; + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.field = V4L2_FIELD_NONE; + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; +#else + mutex_unlock(&sc5239->lock); + return -ENOTTY; +#endif + } else { + sc5239->cur_mode = mode; + __v4l2_ctrl_s_ctrl(sc5239->link_freq, mode->link_freq_index); + __v4l2_ctrl_s_ctrl_int64(sc5239->pixel_rate, + to_pixel_rate(mode->link_freq_index)); + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(sc5239->hblank, h_blank, + h_blank, 1, h_blank); + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(sc5239->vblank, vblank_def, + SC5239_VTS_MAX - mode->height, + 1, vblank_def); + } + mutex_unlock(&sc5239->lock); + return 0; +} + +static int sc5239_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + const struct sc5239_mode *mode = sc5239->cur_mode; + + mutex_lock(&sc5239->lock); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad); +#else + mutex_unlock(&sc5239->lock); + return -ENOTTY; +#endif + } else { + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.code = SC5239_MEDIA_BUS_FMT; + fmt->format.field = V4L2_FIELD_NONE; + fmt->reserved[0] = mode->vc[PAD0]; + } + mutex_unlock(&sc5239->lock); + return 0; +} + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static int sc5239_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + struct v4l2_mbus_framefmt *try_fmt = + v4l2_subdev_get_try_format(sd, fh->pad, 0); + const struct sc5239_mode *def_mode = &supported_modes[0]; + + mutex_lock(&sc5239->lock); + /* Initialize try_fmt */ + try_fmt->width = def_mode->width; + try_fmt->height = def_mode->height; + try_fmt->code = SC5239_MEDIA_BUS_FMT; + try_fmt->field = V4L2_FIELD_NONE; + mutex_unlock(&sc5239->lock); + return 0; +} +#endif +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static const struct v4l2_subdev_internal_ops sc5239_internal_ops = { + .open = sc5239_open, +}; +#endif + +static int sc5239_s_power(struct v4l2_subdev *sd, int on) +{ + struct sc5239 *sc5239 = to_sc5239(sd); + int ret = 0; + + mutex_lock(&sc5239->lock); + if (sc5239->power_on == !!on) + goto unlock_and_return; + if (on) { + ret = pm_runtime_get_sync(sc5239->dev); + if (ret < 0) { + pm_runtime_put_noidle(sc5239->dev); + goto unlock_and_return; + } + sc5239->power_on = true; + } else { + pm_runtime_put(sc5239->dev); + sc5239->power_on = false; + } +unlock_and_return: + mutex_unlock(&sc5239->lock); + return ret; +} + +static const struct v4l2_subdev_core_ops sc5239_core_ops = { + .s_power = sc5239_s_power, + .ioctl = sc5239_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl32 = sc5239_compat_ioctl32, +#endif +}; + +static const struct v4l2_subdev_video_ops sc5239_video_ops = { + .s_stream = sc5239_s_stream, + .g_frame_interval = sc5239_g_frame_interval, + .g_mbus_config = sc5239_g_mbus_config, +}; + +static const struct v4l2_subdev_pad_ops sc5239_pad_ops = { + .enum_mbus_code = sc5239_enum_mbus_code, + .enum_frame_size = sc5239_enum_frame_sizes, + .enum_frame_interval = sc5239_enum_frame_interval, + .get_fmt = sc5239_get_fmt, + .set_fmt = sc5239_set_fmt, +}; + +static const struct v4l2_subdev_ops sc5239_subdev_ops = { + .core = &sc5239_core_ops, + .video = &sc5239_video_ops, + .pad = &sc5239_pad_ops, +}; + +static int sc5239_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct sc5239 *sc5239 = to_sc5239(sd); + + __sc5239_power_on(sc5239); + return 0; +} + +static int sc5239_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct sc5239 *sc5239 = to_sc5239(sd); + + __sc5239_power_off(sc5239); + return 0; +} + +static const struct dev_pm_ops sc5239_pm_ops = { + SET_RUNTIME_PM_OPS(sc5239_runtime_suspend, + sc5239_runtime_resume, NULL) +}; + +static int sc5239_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; + struct sc5239 *sc5239; + struct v4l2_subdev *sd; + char facing[2]; + int ret; + + dev_info(dev, "driver version: %02x.%02x.%02x", + DRIVER_VERSION >> 16, + (DRIVER_VERSION & 0xff00) >> 8, + DRIVER_VERSION & 0x00ff); + sc5239 = devm_kzalloc(dev, sizeof(*sc5239), GFP_KERNEL); + if (!sc5239) + return -ENOMEM; + sc5239->dev = dev; + sc5239->regmap = devm_regmap_init_i2c(client, &sc5239_regmap_config); + if (IS_ERR(sc5239->regmap)) { + dev_err(dev, "Failed to initialize I2C\n"); + return -ENODEV; + } + ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, + &sc5239->module_index); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, + &sc5239->module_facing); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, + &sc5239->module_name); + ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, + &sc5239->len_name); + if (ret) { + dev_err(dev, "Failed to get module information\n"); + return -EINVAL; + } + sc5239->xvclk = devm_clk_get(sc5239->dev, "xvclk"); + if (IS_ERR(sc5239->xvclk)) { + dev_err(sc5239->dev, "Failed to get xvclk\n"); + return -EINVAL; + } + sc5239->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(sc5239->reset_gpio)) + dev_warn(dev, "Failed to get reset-gpios\n"); + sc5239->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_HIGH); + if (IS_ERR(sc5239->pwdn_gpio)) + dev_warn(dev, "Failed to get pwdn-gpios\n"); + ret = sc5239_get_regulators(sc5239); + if (ret) { + dev_err(dev, "Failed to get regulators\n"); + return ret; + } + sc5239->pinctrl = devm_pinctrl_get(dev); + if (!IS_ERR(sc5239->pinctrl)) { + sc5239->pins_default = + pinctrl_lookup_state(sc5239->pinctrl, + OF_CAMERA_PINCTRL_STATE_DEFAULT); + if (IS_ERR(sc5239->pins_default)) + dev_info(dev, "could not get default pinstate\n"); + + sc5239->pins_sleep = + pinctrl_lookup_state(sc5239->pinctrl, + OF_CAMERA_PINCTRL_STATE_SLEEP); + if (IS_ERR(sc5239->pins_sleep)) + dev_info(dev, "could not get sleep pinstate\n"); + } else { + dev_info(dev, "no pinctrl\n"); + } + mutex_init(&sc5239->lock); + /* set default mode */ + sc5239->cur_mode = &supported_modes[0]; + sc5239->cfg_num = ARRAY_SIZE(supported_modes); + sd = &sc5239->subdev; + ret = __sc5239_power_on(sc5239); + if (ret) + goto err_free_handler; + ret = sc5239_check_sensor_id(sc5239); + if (ret) + goto err_power_off; + v4l2_i2c_subdev_init(sd, client, &sc5239_subdev_ops); + ret = sc5239_initialize_controls(sc5239); + if (ret) + goto err_destroy_mutex; +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + sd->internal_ops = &sc5239_internal_ops; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; +#endif +#ifdef CONFIG_MEDIA_CONTROLLER + sc5239->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &sc5239->pad); + if (ret < 0) + goto err_power_off; +#endif + memset(facing, 0, sizeof(facing)); + if (strcmp(sc5239->module_facing, "back") == 0) + facing[0] = 'b'; + else + facing[0] = 'f'; + snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", + sc5239->module_index, facing, + SC5239_NAME, dev_name(sd->dev)); + ret = v4l2_async_register_subdev_sensor_common(sd); + if (ret) { + dev_err(dev, "Failed to register v4l2 async subdev\n"); + goto err_clean_entity; + } + + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + pm_runtime_idle(dev); + return 0; +err_clean_entity: +#ifdef CONFIG_MEDIA_CONTROLLER + media_entity_cleanup(&sd->entity); +#endif +err_power_off: + __sc5239_power_off(sc5239); +err_free_handler: + v4l2_ctrl_handler_free(&sc5239->ctrl_handler); +err_destroy_mutex: + mutex_destroy(&sc5239->lock); + return ret; +} + +static int sc5239_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct sc5239 *sc5239 = to_sc5239(sd); + + v4l2_async_unregister_subdev(sd); +#ifdef CONFIG_MEDIA_CONTROLLER + media_entity_cleanup(&sd->entity); +#endif + v4l2_ctrl_handler_free(&sc5239->ctrl_handler); + mutex_destroy(&sc5239->lock); + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + __sc5239_power_off(sc5239); + pm_runtime_set_suspended(&client->dev); + return 0; +} + +static const struct i2c_device_id sc5239_match_id[] = { + { "smartsens,sc5239", 0 }, + { }, +}; + +static const struct of_device_id sc5239_of_match[] = { + { .compatible = "smartsens,sc5239" }, + {}, +}; + +MODULE_DEVICE_TABLE(of, sc5239_of_match); + +static struct i2c_driver sc5239_i2c_driver = { + .driver = { + .name = SC5239_NAME, + .pm = &sc5239_pm_ops, + .of_match_table = of_match_ptr(sc5239_of_match), + }, + .probe = &sc5239_probe, + .remove = &sc5239_remove, + .id_table = sc5239_match_id, +}; + +static int __init sensor_mod_init(void) +{ + return i2c_add_driver(&sc5239_i2c_driver); +} + +static void __exit sensor_mod_exit(void) +{ + i2c_del_driver(&sc5239_i2c_driver); +} + +device_initcall_sync(sensor_mod_init); +module_exit(sensor_mod_exit); + +MODULE_DESCRIPTION("Smartsens sc5239 Image Sensor driver"); +MODULE_LICENSE("GPL v2");