// SPDX-License-Identifier: GPL-2.0 /* * sc2210 driver * * Copyright (C) 2022 Rockchip Electronics Co., Ltd. * * V0.0X01.0X01 first version */ //#define DEBUG #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../platform/rockchip/isp/rkisp_tb_helper.h" #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x01) #ifndef V4L2_CID_DIGITAL_GAIN #define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN #endif #define sc2210_LANES (2LL) #define sc2210_BITS_PER_SAMPLE (10LL) //#define sc2210_LINK_FREQ_405 432000000LL //186000000 //202500000LL //#define sc2210_LINK_FREQ_405 (200000000LL) // 798M : can not get any video // 250M : #define sc2210_LINK_FREQ_405 (200000000LL) #define PIXEL_RATE_WITH_405M_10BIT (sc2210_LINK_FREQ_405 * 2LL * sc2210_LANES / sc2210_BITS_PER_SAMPLE) #define CHIP_ID 0x2210 #define sc2210_REG_CHIP_ID 0x3107 #define sc2210_REG_CTRL_MODE 0x0100 #define sc2210_MODE_SW_STANDBY 0x0 #define sc2210_MODE_STREAMING BIT(0) #define sc2210_REG_EXPOSURE_H 0x3e00 #define sc2210_REG_EXPOSURE_M 0x3e01 #define sc2210_REG_EXPOSURE_L 0x3e02 #define sc2210_EXPOSURE_MIN 1 #define sc2210_EXPOSURE_STEP 1 #define sc2210_VTS_MAX 0x7fff #define sc2210_REG_DIG_GAIN 0x3e06 #define sc2210_REG_DIG_FINE_GAIN 0x3e07 #define sc2210_REG_ANA_GAIN 0x3e09 #define sc2210_GAIN_MIN 0x0020 #define sc2210_GAIN_MAX (4096) //32*4*32 #define sc2210_GAIN_STEP 1 #define sc2210_GAIN_DEFAULT 0x80 //#define sc2210_REG_GROUP_HOLD 0x3812 //#define sc2210_GROUP_HOLD_START 0x00 //#define sc2210_GROUP_HOLD_END 0x30 #define sc2210_REG_TEST_PATTERN 0x4501 #define sc2210_TEST_PATTERN_BIT_MASK BIT(3) #define sc2210_REG_VTS_H 0x320e #define sc2210_REG_VTS_L 0x320f #define sc2210_FLIP_MIRROR_REG 0x3221 #define sc2210_FETCH_EXP_H(VAL) (((VAL) >> 12) & 0xF) #define sc2210_FETCH_EXP_M(VAL) (((VAL) >> 4) & 0xFF) #define sc2210_FETCH_EXP_L(VAL) (((VAL) & 0xF) << 4) #define sc2210_FETCH_AGAIN_H(VAL) (((VAL) >> 8) & 0x03) #define sc2210_FETCH_AGAIN_L(VAL) ((VAL) & 0xFF) #define sc2210_FETCH_MIRROR(VAL, ENABLE) (ENABLE ? VAL | 0x06 : VAL & 0xf9) #define sc2210_FETCH_FLIP(VAL, ENABLE) (ENABLE ? VAL | 0x60 : VAL & 0x9f) #define REG_DELAY 0xFFFE #define REG_NULL 0xFFFF #define sc2210_REG_VALUE_08BIT 1 #define sc2210_REG_VALUE_16BIT 2 #define sc2210_REG_VALUE_24BIT 3 #define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" #define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" #define sc2210_NAME "sc2210" static const char * const sc2210_supply_names[] = { "avdd", /* Analog power */ "dovdd", /* Digital I/O power */ "dvdd", /* Digital core power */ }; #define sc2210_NUM_SUPPLIES ARRAY_SIZE(sc2210_supply_names) struct regval { u16 addr; u8 val; }; struct sc2210_mode { u32 bus_fmt; u32 width; u32 height; struct v4l2_fract max_fps; u32 hts_def; u32 vts_def; u32 exp_def; const struct regval *reg_list; u32 hdr_mode; u32 xvclk_freq; u32 link_freq_idx; u32 vc[PAD_MAX]; }; struct sc2210 { struct i2c_client *client; struct clk *xvclk; struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[sc2210_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 *digi_gain; struct v4l2_ctrl *hblank; struct v4l2_ctrl *vblank; struct v4l2_ctrl *pixel_rate; struct v4l2_ctrl *link_freq; struct v4l2_ctrl *test_pattern; struct mutex mutex; bool streaming; bool power_on; const struct sc2210_mode *cur_mode; u32 module_index; const char *module_facing; const char *module_name; const char *len_name; u32 cur_vts; bool has_init_exp; bool is_thunderboot; bool is_first_streamoff; struct preisp_hdrae_exp_s init_hdrae_exp; }; #define to_sc2210(sd) container_of(sd, struct sc2210, subdev) /* * Xclk 24Mhz */ static const struct regval sc2210_global_regs[] = { {REG_NULL, 0x00}, }; /* 1080p_25p */ static const struct regval sc2210_linear_10_1920x1080_30fps_regs[] = { {0x0100,0x00}, {0x0100,0x00}, {0x0100,0x00}, {0x0103,0x01}, //reset {0x0100,0x00}, {0x0100,0x00}, {0x0100,0x00}, {0x0100,0x00}, {0x0100,0x00}, {0x36e9,0x80}, {0x36f9,0x80}, {0x3001,0x07}, {0x3002,0xc0}, {0x300a,0x2c}, {0x300f,0x00}, {0x3018,0x33}, {0x3019,0x0c}, {0x301f,0x47}, {0x3031,0x0a}, {0x3033,0x20}, {0x3038,0x22}, {0x3106,0x81}, {0x3201,0x04}, {0x3203,0x04}, {0x3204,0x07}, {0x3205,0x8b}, {0x3206,0x04}, {0x3207,0x43}, {0x320c,0x04}, {0x320d,0x4c}, {0x320e,0x05}, //sc2210_REG_VTS_H {0x320f,0x46},//25fps sc2210_REG_VTS_L {0x3211,0x04}, //输出窗口列起始位置 {0x3213,0x04}, //输出窗口行起始位置 {0x3231,0x02}, {0x3253,0x04}, {0x3301,0x0a}, {0x3302,0x10}, {0x3304,0x48}, {0x3305,0x00}, {0x3306,0x68}, {0x3308,0x20}, {0x3309,0x98}, {0x330a,0x00}, {0x330b,0xe8}, {0x330e,0x68}, {0x3314,0x92}, {0x3000,0xc0}, {0x331e,0x41}, {0x331f,0x91}, {0x334c,0x10}, {0x335d,0x60}, {0x335e,0x02}, {0x335f,0x06}, {0x3364,0x16}, {0x3366,0x92}, {0x3367,0x10}, {0x3368,0x04}, {0x3369,0x00}, {0x336a,0x00}, {0x336b,0x00}, {0x336d,0x03}, {0x337c,0x08}, {0x337d,0x0e}, {0x337f,0x33}, {0x3390,0x10}, {0x3391,0x30}, {0x3392,0x40}, {0x3393,0x0a}, {0x3394,0x0a}, {0x3395,0x0a}, {0x3396,0x08}, {0x3397,0x30}, {0x3398,0x3f}, {0x3399,0x50}, {0x339a,0x50}, {0x339b,0x50}, {0x339c,0x50}, {0x33a2,0x0a}, {0x33b9,0x0e}, {0x33e1,0x08}, {0x33e2,0x18}, {0x33e3,0x18}, {0x33e4,0x18}, {0x33e5,0x10}, {0x33e6,0x06}, {0x33e7,0x02}, {0x33e8,0x18}, {0x33e9,0x10}, {0x33ea,0x0c}, {0x33eb,0x10}, {0x33ec,0x04}, {0x33ed,0x02}, {0x33ee,0xa0}, {0x33ef,0x08}, {0x33f4,0x18}, {0x33f5,0x10}, {0x33f6,0x0c}, {0x33f7,0x10}, {0x33f8,0x06}, {0x33f9,0x02}, {0x33fa,0x18}, {0x33fb,0x10}, {0x33fc,0x0c}, {0x33fd,0x10}, {0x33fe,0x04}, {0x33ff,0x02}, {0x360f,0x01}, {0x3622,0xf7}, {0x3625,0x0a}, {0x3627,0x02}, {0x3630,0xa2}, {0x3631,0x00}, {0x3632,0xd8}, {0x3633,0x33}, {0x3635,0x20}, {0x3638,0x24}, {0x363a,0x80}, {0x363b,0x02}, {0x363e,0x22}, {0x3670,0x40}, {0x3671,0xf7}, {0x3672,0xf7}, {0x3673,0x07}, {0x367a,0x40}, {0x367b,0x7f}, {0x36b5,0x40}, {0x36b6,0x7f}, {0x36c0,0x80}, {0x36c1,0x9f}, {0x36c2,0x9f}, {0x36cc,0x22}, {0x36cd,0x23}, {0x36ce,0x30}, {0x36d0,0x20}, {0x36d1,0x40}, {0x36d2,0x7f}, {0x36ea,0x75}, {0x36eb,0x0d}, {0x36ec,0x13}, {0x36ed,0x24}, {0x36fa,0x5f}, {0x36fb,0x1b}, {0x36fc,0x10}, {0x36fd,0x07}, {0x3905,0xd8}, {0x3907,0x01}, {0x3908,0x11}, {0x391b,0x83}, {0x391d,0x2c}, {0x391f,0x00}, {0x3933,0x28}, {0x3934,0xa6}, {0x3940,0x70}, {0x3942,0x08}, {0x3943,0xbc}, {0x3958,0x02}, {0x3959,0x04}, {0x3980,0x61}, {0x3987,0x0b}, {0x3990,0x00}, {0x3991,0x00}, {0x3992,0x00}, {0x3993,0x00}, {0x3994,0x00}, {0x3995,0x00}, {0x3996,0x00}, {0x3997,0x00}, {0x3998,0x00}, {0x3999,0x00}, {0x399a,0x00}, {0x399b,0x00}, {0x399c,0x00}, {0x399d,0x00}, {0x399e,0x00}, {0x399f,0x00}, {0x39a0,0x00}, {0x39a1,0x00}, {0x39a2,0x03}, {0x39a3,0x30}, {0x39a4,0x03}, {0x39a5,0x60}, {0x39a6,0x03}, {0x39a7,0xa0}, {0x39a8,0x03}, {0x39a9,0xb0}, {0x39aa,0x00}, {0x39ab,0x00}, {0x39ac,0x00}, {0x39ad,0x20}, {0x39ae,0x00}, {0x39af,0x40}, {0x39b0,0x00}, {0x39b1,0x60}, {0x39b2,0x00}, {0x39b3,0x00}, {0x39b4,0x08}, {0x39b5,0x14}, {0x39b6,0x20}, {0x39b7,0x38}, {0x39b8,0x38}, {0x39b9,0x20}, {0x39ba,0x14}, {0x39bb,0x08}, {0x39bc,0x08}, {0x39bd,0x10}, {0x39be,0x20}, {0x39bf,0x30}, {0x39c0,0x30}, {0x39c1,0x20}, {0x39c2,0x10}, {0x39c3,0x08}, {0x39c4,0x00}, {0x39c5,0x80}, {0x39c6,0x00}, {0x39c7,0x80}, {0x39c8,0x00}, {0x39c9,0x00}, {0x39ca,0x80}, {0x39cb,0x00}, {0x39cc,0x00}, {0x39cd,0x00}, {0x39ce,0x00}, {0x39cf,0x00}, {0x39d0,0x00}, {0x39d1,0x00}, {0x39e2,0x05}, {0x39e3,0xeb}, {0x39e4,0x07}, {0x39e5,0xb6}, {0x39e6,0x00}, {0x39e7,0x3a}, {0x39e8,0x3f}, {0x39e9,0xb7}, {0x39ea,0x02}, {0x39eb,0x4f}, {0x39ec,0x08}, {0x39ed,0x00}, {0x3e01,0x46}, {0x3e02,0x10}, {0x3e09,0x40}, {0x3e14,0x31}, {0x3e1b,0x3a}, {0x3e26,0x40}, {0x4401,0x1a}, {0x4407,0xc0}, {0x4418,0x34}, {0x4500,0x18}, {0x4501,0xb4}, //test patten 0xb4 {0x4509,0x20}, {0x4603,0x00}, {0x4800,0x24}, {0x4837,0x2b}, {0x5000,0x0e}, {0x550f,0x20}, {0x36e9,0x51}, {0x36f9,0x53}, //{0x0100,0x01}, {REG_NULL, 0x00}, }; static const struct sc2210_mode supported_modes[] = { { .width = 1920, .height = 1080, .max_fps = { .numerator = 10000, .denominator = 250000, }, .exp_def = 0x80, //0x080 .hts_def = (1100), .vts_def = (0x546), //0x546 .bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10, //MEDIA_BUS_FMT_SBGGR10_1X10 .reg_list = sc2210_linear_10_1920x1080_30fps_regs, .hdr_mode = NO_HDR, .xvclk_freq = 27000000, .link_freq_idx = 0, .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, }, }; static const s64 link_freq_menu_items[] = { sc2210_LINK_FREQ_405, }; static const char * const sc2210_test_pattern_menu[] = { "Disabled", "Vertical Color Bar Type 1", "Vertical Color Bar Type 2", "Vertical Color Bar Type 3", "Vertical Color Bar Type 4", }; /* Write registers up to 4 at a time */ static int sc2210_write_reg(struct i2c_client *client, u16 reg, u32 len, u32 val) { u32 buf_i, val_i; u8 buf[6]; u8 *val_p; __be32 val_be; if (len > 4) return -EINVAL; buf[0] = reg >> 8; buf[1] = reg & 0xff; val_be = cpu_to_be32(val); val_p = (u8 *)&val_be; buf_i = 2; val_i = 4 - len; while (val_i < 4) buf[buf_i++] = val_p[val_i++]; if (i2c_master_send(client, buf, len + 2) != len + 2) { printk("i2c_master_send error\n"); return -EIO; } printk("sc2210_write_reg! addr=0x%X val=0x%X len=%d \n",reg,val,len); return 0; } static int isc2210_write_reg(struct i2c_client *client, u16 reg, u32 len, u32 val) { u32 buf_i, val_i; u8 buf[6]; u8 *val_p; __be32 val_be; if (len > 4) return -EINVAL; buf[0] = reg >> 8; buf[1] = reg & 0xff; val_be = cpu_to_be32(val); val_p = (u8 *)&val_be; buf_i = 2; val_i = 4 - len; while (val_i < 4) buf[buf_i++] = val_p[val_i++]; if (i2c_master_send(client, buf, len + 2) != len + 2) { printk("i2c_master_send error\n"); return -EIO; } // printk("sc2210_write_reg! addr=0x%X val=0x%X len=%d \n",reg,val,len); return 0; } static int sc2210_write_array(struct i2c_client *client, const struct regval *regs) { u32 i; int ret = 0; for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) ret = isc2210_write_reg(client, regs[i].addr, sc2210_REG_VALUE_08BIT, regs[i].val); printk("sc2210_write_array! i=%d \n",i); return ret; } /* Read registers up to 4 at a time */ static int sc2210_read_reg(struct i2c_client *client, u16 reg, unsigned int len, u32 *val) { struct i2c_msg msgs[2]; u8 *data_be_p; __be32 data_be = 0; __be16 reg_addr_be = cpu_to_be16(reg); int ret; if (len > 4 || !len) return -EINVAL; data_be_p = (u8 *)&data_be; /* Write register address */ msgs[0].addr = client->addr; msgs[0].flags = 0; msgs[0].len = 2; msgs[0].buf = (u8 *)®_addr_be; /* Read data from register */ msgs[1].addr = client->addr; msgs[1].flags = I2C_M_RD; msgs[1].len = len; msgs[1].buf = &data_be_p[4 - len]; ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); if (ret != ARRAY_SIZE(msgs)) return -EIO; *val = be32_to_cpu(data_be); return 0; } static int sc2210_set_gain_reg(struct sc2210 *sc2210, u32 gain) { u32 coarse_again = 0, coarse_dgain = 0, fine_dgain = 0; u32 gain_factor; int ret = 0; return ret; //debug ws gain_factor = gain * 1000 / 32; if (gain_factor < 1000) { coarse_again = 0x00; coarse_dgain = 0x00; fine_dgain = 0x80; } else if (gain_factor < 1000 * 2) { /*1x ~ 2x gain*/ coarse_again = 0x00; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000; } else if (gain_factor < 1000 * 4) { /*2x ~ 4x gain*/ coarse_again = 0x01; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000 / 2; } else if (gain_factor < 1000 * 8) { /*4x ~ 8x gain*/ coarse_again = 0x03; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000 / 4; } else if (gain_factor < 1000 * 16) { /*8x ~ 16x gain*/ coarse_again = 0x07; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000 / 8; } else if (gain_factor < 1000 * 32) { /*16x ~ 32x gain*/ coarse_again = 0x0f; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000 / 16; //open dgain begin max digital gain 4X } else if (gain_factor < 1000 * 64) { /*32x ~ 64x gain*/ coarse_again = 0x1f; coarse_dgain = 0x00; fine_dgain = gain_factor * 128 / 1000 / 32; } else if (gain_factor < 1000 * 128) { /*64x ~ 128x gain*/ coarse_again = 0x1f; coarse_dgain = 0x01; fine_dgain = gain_factor * 128 / 1000 / 64; } else { /*max 128x gain*/ coarse_again = 0x1f; coarse_dgain = 0x03; fine_dgain = 0x80; } dev_dbg(&sc2210->client->dev, "total_gain: 0x%x, d_gain: 0x%x, d_fine_gain: 0x%x, c_gain: 0x%x\n", gain, coarse_dgain, fine_dgain, coarse_again); ret = sc2210_write_reg(sc2210->client, sc2210_REG_DIG_GAIN, sc2210_REG_VALUE_08BIT, coarse_dgain); ret |= sc2210_write_reg(sc2210->client, sc2210_REG_DIG_FINE_GAIN, sc2210_REG_VALUE_08BIT, fine_dgain); ret |= sc2210_write_reg(sc2210->client, sc2210_REG_ANA_GAIN, sc2210_REG_VALUE_08BIT, coarse_again); return ret; } static int sc2210_get_reso_dist(const struct sc2210_mode *mode, struct v4l2_mbus_framefmt *framefmt) { return abs(mode->width - framefmt->width) + abs(mode->height - framefmt->height); } static const struct sc2210_mode * sc2210_find_best_fit(struct v4l2_subdev_format *fmt) { struct v4l2_mbus_framefmt *framefmt = &fmt->format; int dist; int cur_best_fit = 0; int cur_best_fit_dist = -1; unsigned int i; for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { dist = sc2210_get_reso_dist(&supported_modes[i], framefmt); if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) { cur_best_fit_dist = dist; cur_best_fit = i; } } return &supported_modes[cur_best_fit]; } static int sc2210_set_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct sc2210 *sc2210 = to_sc2210(sd); const struct sc2210_mode *mode; struct device *dev = &sc2210->client->dev; s64 h_blank, vblank_def; u64 dst_link_freq = 0; u64 dst_pixel_rate = 0; dev_info(dev,"enter sc2210_set_fmt\n"); mutex_lock(&sc2210->mutex); mode = sc2210_find_best_fit(fmt); fmt->format.code = mode->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) { dev_info(dev,"enter v4l2_subdev_get_try_format\n"); #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API *v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; #else mutex_unlock(&sc2210->mutex); return -ENOTTY; #endif } else { sc2210->cur_mode = mode; h_blank = mode->hts_def - mode->width; __v4l2_ctrl_modify_range(sc2210->hblank, h_blank, h_blank, 1, h_blank); vblank_def = mode->vts_def - mode->height; __v4l2_ctrl_modify_range(sc2210->vblank, vblank_def, sc2210_VTS_MAX - mode->height, 1, vblank_def); dst_link_freq = mode->link_freq_idx; dst_pixel_rate = (u32)link_freq_menu_items[mode->link_freq_idx] / sc2210_BITS_PER_SAMPLE * 2 * sc2210_LANES; __v4l2_ctrl_s_ctrl_int64(sc2210->pixel_rate, dst_pixel_rate); __v4l2_ctrl_s_ctrl(sc2210->link_freq, dst_link_freq); dev_info(dev,"h_blank=%lld vblank_def=%lld dst_link_freq=%lld dst_pixel_rate=%lld\n",h_blank,vblank_def,dst_link_freq,dst_pixel_rate); } mutex_unlock(&sc2210->mutex); return 0; } static int sc2210_get_fmt(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_format *fmt) { struct sc2210 *sc2210 = to_sc2210(sd); const struct sc2210_mode *mode = sc2210->cur_mode; mutex_lock(&sc2210->mutex); 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(&sc2210->mutex); return -ENOTTY; #endif } else { fmt->format.width = mode->width; fmt->format.height = mode->height; fmt->format.code = mode->bus_fmt; fmt->format.field = V4L2_FIELD_NONE; /* format info: width/height/data type/virctual channel */ if (fmt->pad < PAD_MAX && mode->hdr_mode != NO_HDR) fmt->reserved[0] = mode->vc[fmt->pad]; else fmt->reserved[0] = mode->vc[PAD0]; } mutex_unlock(&sc2210->mutex); return 0; } static int sc2210_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { struct sc2210 *sc2210 = to_sc2210(sd); if (code->index != 0) return -EINVAL; code->code = sc2210->cur_mode->bus_fmt; return 0; } static int sc2210_enum_frame_sizes(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_size_enum *fse) { if (fse->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; if (fse->code != supported_modes[0].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 sc2210_enable_test_pattern(struct sc2210 *sc2210, u32 pattern) { u32 val = 0; int ret = 0; ret = sc2210_read_reg(sc2210->client, sc2210_REG_TEST_PATTERN, sc2210_REG_VALUE_08BIT, &val); if (pattern) val |= sc2210_TEST_PATTERN_BIT_MASK; else val &= ~sc2210_TEST_PATTERN_BIT_MASK; ret |= sc2210_write_reg(sc2210->client, sc2210_REG_TEST_PATTERN, sc2210_REG_VALUE_08BIT, val); return ret; } static int sc2210_g_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_frame_interval *fi) { struct sc2210 *sc2210 = to_sc2210(sd); const struct sc2210_mode *mode = sc2210->cur_mode; fi->interval = mode->max_fps; return 0; } static int sc2210_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id, struct v4l2_mbus_config *config) { struct sc2210 *sc2210 = to_sc2210(sd); const struct sc2210_mode *mode = sc2210->cur_mode; u32 val = (1 << (sc2210_LANES - 1)) | V4L2_MBUS_CSI2_CHANNEL_0 | V4L2_MBUS_CSI2_NONCONTINUOUS_CLOCK; // V4L2_MBUS_CSI2_CONTINUOUS_CLOCK // if (mode->hdr_mode != NO_HDR) // val |= V4L2_MBUS_CSI2_CHANNEL_1; // if (mode->hdr_mode == HDR_X3) // val |= V4L2_MBUS_CSI2_CHANNEL_2; config->type = V4L2_MBUS_CSI2_DPHY; config->flags = val; printk("sc2210_g_mbus_config val=0x%X hdr_mode=%d\n",val,mode->hdr_mode ); return 0; } static void sc2210_get_module_inf(struct sc2210 *sc2210, struct rkmodule_inf *inf) { memset(inf, 0, sizeof(*inf)); strscpy(inf->base.sensor, sc2210_NAME, sizeof(inf->base.sensor)); strscpy(inf->base.module, sc2210->module_name, sizeof(inf->base.module)); strscpy(inf->base.lens, sc2210->len_name, sizeof(inf->base.lens)); } static long sc2210_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { struct sc2210 *sc2210 = to_sc2210(sd); struct rkmodule_hdr_cfg *hdr; u32 i, h, w; long ret = 0; u32 stream = 0; switch (cmd) { case RKMODULE_GET_MODULE_INFO: sc2210_get_module_inf(sc2210, (struct rkmodule_inf *)arg); break; case RKMODULE_GET_HDR_CFG: hdr = (struct rkmodule_hdr_cfg *)arg; hdr->esp.mode = HDR_NORMAL_VC; hdr->hdr_mode = sc2210->cur_mode->hdr_mode; break; case RKMODULE_SET_HDR_CFG: hdr = (struct rkmodule_hdr_cfg *)arg; w = sc2210->cur_mode->width; h = sc2210->cur_mode->height; for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { if (w == supported_modes[i].width && h == supported_modes[i].height && supported_modes[i].hdr_mode == hdr->hdr_mode) { sc2210->cur_mode = &supported_modes[i]; break; } } if (i == ARRAY_SIZE(supported_modes)) { dev_err(&sc2210->client->dev, "not find hdr mode:%d %dx%d config\n", hdr->hdr_mode, w, h); ret = -EINVAL; } else { w = sc2210->cur_mode->hts_def - sc2210->cur_mode->width; h = sc2210->cur_mode->vts_def - sc2210->cur_mode->height; __v4l2_ctrl_modify_range(sc2210->hblank, w, w, 1, w); __v4l2_ctrl_modify_range(sc2210->vblank, h, sc2210_VTS_MAX - sc2210->cur_mode->height, 1, h); } break; case PREISP_CMD_SET_HDRAE_EXP: break; case RKMODULE_SET_QUICK_STREAM: stream = *((u32 *)arg); if (stream) ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE, sc2210_REG_VALUE_08BIT, sc2210_MODE_STREAMING); else ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE, sc2210_REG_VALUE_08BIT, sc2210_MODE_SW_STANDBY); break; default: ret = -ENOIOCTLCMD; break; } return ret; } #ifdef CONFIG_COMPAT static long sc2210_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; long ret; u32 stream = 0; switch (cmd) { case RKMODULE_GET_MODULE_INFO: inf = kzalloc(sizeof(*inf), GFP_KERNEL); if (!inf) { ret = -ENOMEM; return ret; } ret = sc2210_ioctl(sd, cmd, inf); if (!ret) { if (copy_to_user(up, inf, sizeof(*inf))) ret = -EFAULT; } kfree(inf); break; case RKMODULE_GET_HDR_CFG: hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); if (!hdr) { ret = -ENOMEM; return ret; } ret = sc2210_ioctl(sd, cmd, hdr); if (!ret) { if (copy_to_user(up, hdr, sizeof(*hdr))) ret = -EFAULT; } kfree(hdr); break; case RKMODULE_SET_HDR_CFG: hdr = kzalloc(sizeof(*hdr), GFP_KERNEL); if (!hdr) { ret = -ENOMEM; return ret; } ret = copy_from_user(hdr, up, sizeof(*hdr)); if (!ret) ret = sc2210_ioctl(sd, cmd, hdr); else ret = -EFAULT; kfree(hdr); break; case PREISP_CMD_SET_HDRAE_EXP: hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL); if (!hdrae) { ret = -ENOMEM; return ret; } ret = copy_from_user(hdrae, up, sizeof(*hdrae)); if (!ret) ret = sc2210_ioctl(sd, cmd, hdrae); else ret = -EFAULT; kfree(hdrae); break; case RKMODULE_SET_QUICK_STREAM: ret = copy_from_user(&stream, up, sizeof(u32)); if (!ret) ret = sc2210_ioctl(sd, cmd, &stream); else ret = -EFAULT; break; default: ret = -ENOIOCTLCMD; break; } return ret; } #endif static int __sc2210_start_stream(struct sc2210 *sc2210) { int ret; if (!sc2210->is_thunderboot) { ret = sc2210_write_array(sc2210->client, sc2210->cur_mode->reg_list); if (ret) return ret; /* In case these controls are set before streaming */ ret = __v4l2_ctrl_handler_setup(&sc2210->ctrl_handler); if (ret) return ret; if (sc2210->has_init_exp && sc2210->cur_mode->hdr_mode != NO_HDR) { ret = sc2210_ioctl(&sc2210->subdev, PREISP_CMD_SET_HDRAE_EXP, &sc2210->init_hdrae_exp); if (ret) { dev_err(&sc2210->client->dev, "init exp fail in hdr mode\n"); return ret; } } } ret = sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE, sc2210_REG_VALUE_08BIT, sc2210_MODE_STREAMING); return ret; } static int __sc2210_stop_stream(struct sc2210 *sc2210) { sc2210->has_init_exp = false; if (sc2210->is_thunderboot) { sc2210->is_first_streamoff = true; pm_runtime_put(&sc2210->client->dev); } return sc2210_write_reg(sc2210->client, sc2210_REG_CTRL_MODE, sc2210_REG_VALUE_08BIT, sc2210_MODE_SW_STANDBY); } static int __sc2210_power_on(struct sc2210 *sc2210); static int sc2210_s_stream(struct v4l2_subdev *sd, int on) { struct sc2210 *sc2210 = to_sc2210(sd); struct i2c_client *client = sc2210->client; int ret = 0; mutex_lock(&sc2210->mutex); on = !!on; if (on == sc2210->streaming) goto unlock_and_return; if (on) { if (sc2210->is_thunderboot && rkisp_tb_get_state() == RKISP_TB_NG) { sc2210->is_thunderboot = false; __sc2210_power_on(sc2210); } ret = pm_runtime_get_sync(&client->dev); if (ret < 0) { pm_runtime_put_noidle(&client->dev); goto unlock_and_return; } ret = __sc2210_start_stream(sc2210); if (ret) { v4l2_err(sd, "start stream failed while write regs\n"); pm_runtime_put(&client->dev); goto unlock_and_return; } } else { __sc2210_stop_stream(sc2210); pm_runtime_put(&client->dev); } sc2210->streaming = on; unlock_and_return: mutex_unlock(&sc2210->mutex); return ret; } static int sc2210_s_power(struct v4l2_subdev *sd, int on) { struct sc2210 *sc2210 = to_sc2210(sd); struct i2c_client *client = sc2210->client; int ret = 0; mutex_lock(&sc2210->mutex); /* If the power state is not modified - no work to do. */ if (sc2210->power_on == !!on) goto unlock_and_return; if (on) { ret = pm_runtime_get_sync(&client->dev); if (ret < 0) { pm_runtime_put_noidle(&client->dev); goto unlock_and_return; } if (!sc2210->is_thunderboot) { printk("sc2210_write_array sc2210_linear_10_1920x1080_30fps_regs\n"); ret = sc2210_write_array(sc2210->client, sc2210_linear_10_1920x1080_30fps_regs); if (ret) { v4l2_err(sd, "could not set init registers\n"); pm_runtime_put_noidle(&client->dev); goto unlock_and_return; } } sc2210->power_on = true; } else { pm_runtime_put(&client->dev); sc2210->power_on = false; } unlock_and_return: mutex_unlock(&sc2210->mutex); return ret; } /* Calculate the delay in us by clock rate and clock cycles */ static inline u32 sc2210_cal_delay(u32 cycles, struct sc2210 *sc2210) { return DIV_ROUND_UP(cycles, sc2210->cur_mode->xvclk_freq / 1000 / 1000); } static int __sc2210_power_on(struct sc2210 *sc2210) { int ret; u32 delay_us; struct device *dev = &sc2210->client->dev; if (!IS_ERR_OR_NULL(sc2210->pins_default)) { ret = pinctrl_select_state(sc2210->pinctrl, sc2210->pins_default); if (ret < 0) dev_err(dev, "could not set pins\n"); } ret = clk_set_rate(sc2210->xvclk, sc2210->cur_mode->xvclk_freq); if (ret < 0) dev_warn(dev, "Failed to set xvclk rate (%dHz)\n", sc2210->cur_mode->xvclk_freq); if (clk_get_rate(sc2210->xvclk) != sc2210->cur_mode->xvclk_freq) dev_warn(dev, "xvclk mismatched, modes are based on %dHz\n", sc2210->cur_mode->xvclk_freq); ret = clk_prepare_enable(sc2210->xvclk); if (ret < 0) { dev_err(dev, "Failed to enable xvclk\n"); return ret; } if (sc2210->is_thunderboot) return 0; if (!IS_ERR(sc2210->reset_gpio)) gpiod_set_value_cansleep(sc2210->reset_gpio, 0); ret = regulator_bulk_enable(sc2210_NUM_SUPPLIES, sc2210->supplies); if (ret < 0) { dev_err(dev, "Failed to enable regulators\n"); goto disable_clk; } if (!IS_ERR(sc2210->reset_gpio)) gpiod_set_value_cansleep(sc2210->reset_gpio, 1); usleep_range(500, 1000); if (!IS_ERR(sc2210->reset_gpio)) usleep_range(6000, 8000); else usleep_range(12000, 16000); /* 8192 cycles prior to first SCCB transaction */ delay_us = sc2210_cal_delay(8192, sc2210); usleep_range(delay_us, delay_us * 2); return 0; disable_clk: clk_disable_unprepare(sc2210->xvclk); return ret; } static void __sc2210_power_off(struct sc2210 *sc2210) { int ret; struct device *dev = &sc2210->client->dev; clk_disable_unprepare(sc2210->xvclk); if (sc2210->is_thunderboot) { if (sc2210->is_first_streamoff) { sc2210->is_thunderboot = false; sc2210->is_first_streamoff = false; } else { return; } } if (!IS_ERR(sc2210->reset_gpio)) gpiod_set_value_cansleep(sc2210->reset_gpio, 0); if (!IS_ERR_OR_NULL(sc2210->pins_sleep)) { ret = pinctrl_select_state(sc2210->pinctrl, sc2210->pins_sleep); if (ret < 0) dev_dbg(dev, "could not set pins\n"); } regulator_bulk_disable(sc2210_NUM_SUPPLIES, sc2210->supplies); } static int sc2210_runtime_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct sc2210 *sc2210 = to_sc2210(sd); return __sc2210_power_on(sc2210); } static int sc2210_runtime_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); struct v4l2_subdev *sd = i2c_get_clientdata(client); struct sc2210 *sc2210 = to_sc2210(sd); __sc2210_power_off(sc2210); return 0; } #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static int sc2210_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { struct sc2210 *sc2210 = to_sc2210(sd); struct v4l2_mbus_framefmt *try_fmt = v4l2_subdev_get_try_format(sd, fh->pad, 0); const struct sc2210_mode *def_mode = &supported_modes[0]; mutex_lock(&sc2210->mutex); /* Initialize try_fmt */ try_fmt->width = def_mode->width; try_fmt->height = def_mode->height; try_fmt->code = def_mode->bus_fmt; try_fmt->field = V4L2_FIELD_NONE; mutex_unlock(&sc2210->mutex); /* No crop or compose */ return 0; } #endif static int sc2210_enum_frame_interval(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_frame_interval_enum *fie) { if (fie->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; fie->code = supported_modes[fie->index].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 const struct dev_pm_ops sc2210_pm_ops = { SET_RUNTIME_PM_OPS(sc2210_runtime_suspend, sc2210_runtime_resume, NULL) }; #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static const struct v4l2_subdev_internal_ops sc2210_internal_ops = { .open = sc2210_open, }; #endif static const struct v4l2_subdev_core_ops sc2210_core_ops = { .s_power = sc2210_s_power, .ioctl = sc2210_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl32 = sc2210_compat_ioctl32, #endif }; static const struct v4l2_subdev_video_ops sc2210_video_ops = { .s_stream = sc2210_s_stream, .g_frame_interval = sc2210_g_frame_interval, }; static const struct v4l2_subdev_pad_ops sc2210_pad_ops = { .enum_mbus_code = sc2210_enum_mbus_code, .enum_frame_size = sc2210_enum_frame_sizes, .enum_frame_interval = sc2210_enum_frame_interval, .get_fmt = sc2210_get_fmt, .set_fmt = sc2210_set_fmt, .get_mbus_config = sc2210_g_mbus_config, }; static const struct v4l2_subdev_ops sc2210_subdev_ops = { .core = &sc2210_core_ops, .video = &sc2210_video_ops, .pad = &sc2210_pad_ops, }; /// @brief /// @param ctrl /// @return static int sc2210_set_ctrl(struct v4l2_ctrl *ctrl) { struct sc2210 *sc2210 = container_of(ctrl->handler, struct sc2210, ctrl_handler); struct i2c_client *client = sc2210->client; s64 max; int ret = 0; u32 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 = sc2210->cur_mode->height + ctrl->val - 8; __v4l2_ctrl_modify_range(sc2210->exposure, sc2210->exposure->minimum, max, sc2210->exposure->step, sc2210->exposure->default_value); break; } if (!pm_runtime_get_if_in_use(&client->dev)) return 0; switch (ctrl->id) { case V4L2_CID_EXPOSURE: dev_dbg(&client->dev, "set exposure 0x%x\n", ctrl->val); if (sc2210->cur_mode->hdr_mode == NO_HDR) { val = ctrl->val; // // /* 4 least significant bits of expsoure are fractional part */ ret = sc2210_write_reg(sc2210->client, sc2210_REG_EXPOSURE_H, sc2210_REG_VALUE_08BIT, sc2210_FETCH_EXP_H(val)); ret |= sc2210_write_reg(sc2210->client, sc2210_REG_EXPOSURE_M, sc2210_REG_VALUE_08BIT, sc2210_FETCH_EXP_M(val)); ret |= sc2210_write_reg(sc2210->client, sc2210_REG_EXPOSURE_L, sc2210_REG_VALUE_08BIT, sc2210_FETCH_EXP_L(val)); } break; case V4L2_CID_ANALOGUE_GAIN: dev_dbg(&client->dev, "set gain 0x%x\n", ctrl->val); if (sc2210->cur_mode->hdr_mode == NO_HDR) ret = sc2210_set_gain_reg(sc2210, ctrl->val); break; case V4L2_CID_VBLANK: dev_dbg(&client->dev, "set vblank 0x%x\n", ctrl->val); ret = sc2210_write_reg(sc2210->client, sc2210_REG_VTS_H, sc2210_REG_VALUE_08BIT, (ctrl->val + sc2210->cur_mode->height) >> 8); ret |= sc2210_write_reg(sc2210->client, sc2210_REG_VTS_L, sc2210_REG_VALUE_08BIT, (ctrl->val + sc2210->cur_mode->height) & 0xff); sc2210->cur_vts = ctrl->val + sc2210->cur_mode->height; break; case V4L2_CID_TEST_PATTERN: ret = sc2210_enable_test_pattern(sc2210, ctrl->val); break; case V4L2_CID_HFLIP: ret = sc2210_read_reg(sc2210->client, sc2210_FLIP_MIRROR_REG, sc2210_REG_VALUE_08BIT, &val); ret |= sc2210_write_reg(sc2210->client, sc2210_FLIP_MIRROR_REG, sc2210_REG_VALUE_08BIT, sc2210_FETCH_MIRROR(val, ctrl->val)); break; case V4L2_CID_VFLIP: ret = sc2210_read_reg(sc2210->client, sc2210_FLIP_MIRROR_REG, sc2210_REG_VALUE_08BIT, &val); ret |= sc2210_write_reg(sc2210->client, sc2210_FLIP_MIRROR_REG, sc2210_REG_VALUE_08BIT, sc2210_FETCH_FLIP(val, ctrl->val)); break; default: dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", __func__, ctrl->id, ctrl->val); break; } pm_runtime_put(&client->dev); return ret; } static const struct v4l2_ctrl_ops sc2210_ctrl_ops = { .s_ctrl = sc2210_set_ctrl, }; static int sc2210_initialize_controls(struct sc2210 *sc2210) { const struct sc2210_mode *mode; struct v4l2_ctrl_handler *handler; struct device *dev = &sc2210->client->dev; s64 exposure_max, vblank_def; u32 h_blank; int ret; u64 dst_link_freq = 0; u64 dst_pixel_rate = 0; handler = &sc2210->ctrl_handler; mode = sc2210->cur_mode; ret = v4l2_ctrl_handler_init(handler, 9); if (ret) return ret; handler->lock = &sc2210->mutex; sc2210->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); if (sc2210->link_freq) sc2210->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; dst_link_freq = mode->link_freq_idx; dst_pixel_rate = (u32)link_freq_menu_items[mode->link_freq_idx] / sc2210_BITS_PER_SAMPLE * 2 * sc2210_LANES; sc2210->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, 0, PIXEL_RATE_WITH_405M_10BIT, 1, dst_pixel_rate); __v4l2_ctrl_s_ctrl(sc2210->link_freq, dst_link_freq); h_blank = mode->hts_def - mode->width; sc2210->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, h_blank, h_blank, 1, h_blank); if (sc2210->hblank) sc2210->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; vblank_def = mode->vts_def - mode->height; sc2210->vblank = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops, V4L2_CID_VBLANK, vblank_def, sc2210_VTS_MAX - mode->height, 1, vblank_def); exposure_max = mode->vts_def - 8; sc2210->exposure = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops, V4L2_CID_EXPOSURE, sc2210_EXPOSURE_MIN, exposure_max, sc2210_EXPOSURE_STEP, mode->exp_def); sc2210->anal_gain = v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, sc2210_GAIN_MIN, sc2210_GAIN_MAX, sc2210_GAIN_STEP, sc2210_GAIN_DEFAULT); sc2210->test_pattern = v4l2_ctrl_new_std_menu_items(handler, &sc2210_ctrl_ops, V4L2_CID_TEST_PATTERN, ARRAY_SIZE(sc2210_test_pattern_menu) - 1, 0, 0, sc2210_test_pattern_menu); v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0); v4l2_ctrl_new_std(handler, &sc2210_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0); if (handler->error) { ret = handler->error; dev_err(&sc2210->client->dev, "Failed to init controls(%d)\n", ret); goto err_free_handler; } sc2210->subdev.ctrl_handler = handler; sc2210->has_init_exp = false; dev_info(dev,"sc2210_initialize_controls \n"); return 0; err_free_handler: v4l2_ctrl_handler_free(handler); return ret; } static int sc2210_check_sensor_id(struct sc2210 *sc2210, struct i2c_client *client) { struct device *dev = &sc2210->client->dev; u32 id = 0; int ret; if (sc2210->is_thunderboot) { dev_info(dev, "Enable thunderboot mode, skip sensor id check\n"); return 0; } ret = sc2210_read_reg(client, sc2210_REG_CHIP_ID, sc2210_REG_VALUE_16BIT, &id); if (id != CHIP_ID) { dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); return -ENODEV; } dev_info(dev, "Detected SC%06x sensor\n", CHIP_ID); return 0; } static int sc2210_configure_regulators(struct sc2210 *sc2210) { unsigned int i; for (i = 0; i < sc2210_NUM_SUPPLIES; i++) sc2210->supplies[i].supply = sc2210_supply_names[i]; return devm_regulator_bulk_get(&sc2210->client->dev, sc2210_NUM_SUPPLIES, sc2210->supplies); } static int sc2210_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct device *dev = &client->dev; struct device_node *node = dev->of_node; struct sc2210 *sc2210; struct v4l2_subdev *sd; char facing[2]; int ret; int i, hdr_mode = 0; dev_info(dev, "driver version: %02x.%02x.%02x", DRIVER_VERSION >> 16, (DRIVER_VERSION & 0xff00) >> 8, DRIVER_VERSION & 0x00ff); sc2210 = devm_kzalloc(dev, sizeof(*sc2210), GFP_KERNEL); if (!sc2210) return -ENOMEM; ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, &sc2210->module_index); ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, &sc2210->module_facing); ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, &sc2210->module_name); ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, &sc2210->len_name); if (ret) { dev_err(dev, "could not get module information!\n"); return -EINVAL; } sc2210->is_thunderboot = IS_ENABLED(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP); sc2210->client = client; for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { if (hdr_mode == supported_modes[i].hdr_mode) { sc2210->cur_mode = &supported_modes[i]; break; } } if (i == ARRAY_SIZE(supported_modes)) sc2210->cur_mode = &supported_modes[0]; sc2210->xvclk = devm_clk_get(dev, "xvclk"); if (IS_ERR(sc2210->xvclk)) { dev_err(dev, "Failed to get xvclk\n"); return -EINVAL; } if (sc2210->is_thunderboot) { sc2210->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS); if (IS_ERR(sc2210->reset_gpio)) dev_warn(dev, "Failed to get reset-gpios\n"); } else { sc2210->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(sc2210->reset_gpio)) dev_warn(dev, "Failed to get reset-gpios\n"); } sc2210->pinctrl = devm_pinctrl_get(dev); if (!IS_ERR(sc2210->pinctrl)) { sc2210->pins_default = pinctrl_lookup_state(sc2210->pinctrl, OF_CAMERA_PINCTRL_STATE_DEFAULT); if (IS_ERR(sc2210->pins_default)) dev_err(dev, "could not get default pinstate\n"); sc2210->pins_sleep = pinctrl_lookup_state(sc2210->pinctrl, OF_CAMERA_PINCTRL_STATE_SLEEP); if (IS_ERR(sc2210->pins_sleep)) dev_err(dev, "could not get sleep pinstate\n"); } else { dev_err(dev, "no pinctrl\n"); } ret = sc2210_configure_regulators(sc2210); if (ret) { dev_err(dev, "Failed to get power regulators\n"); return ret; } mutex_init(&sc2210->mutex); sd = &sc2210->subdev; v4l2_i2c_subdev_init(sd, client, &sc2210_subdev_ops); ret = sc2210_initialize_controls(sc2210); if (ret) goto err_destroy_mutex; ret = __sc2210_power_on(sc2210); if (ret) goto err_free_handler; ret = sc2210_check_sensor_id(sc2210, client); if (ret) goto err_power_off; #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API sd->internal_ops = &sc2210_internal_ops; sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS; #endif #if defined(CONFIG_MEDIA_CONTROLLER) sc2210->pad.flags = MEDIA_PAD_FL_SOURCE; sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; ret = media_entity_pads_init(&sd->entity, 1, &sc2210->pad); if (ret < 0) goto err_power_off; #endif memset(facing, 0, sizeof(facing)); if (strcmp(sc2210->module_facing, "back") == 0) facing[0] = 'b'; else facing[0] = 'f'; snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", sc2210->module_index, facing, sc2210_NAME, dev_name(sd->dev)); ret = v4l2_async_register_subdev_sensor_common(sd); if (ret) { dev_err(dev, "v4l2 async register subdev failed\n"); goto err_clean_entity; } pm_runtime_set_active(dev); pm_runtime_enable(dev); if (sc2210->is_thunderboot) pm_runtime_get_sync(dev); else pm_runtime_idle(dev); return 0; err_clean_entity: #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&sd->entity); #endif err_power_off: __sc2210_power_off(sc2210); err_free_handler: v4l2_ctrl_handler_free(&sc2210->ctrl_handler); err_destroy_mutex: mutex_destroy(&sc2210->mutex); return ret; } static int sc2210_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); struct sc2210 *sc2210 = to_sc2210(sd); v4l2_async_unregister_subdev(sd); #if defined(CONFIG_MEDIA_CONTROLLER) media_entity_cleanup(&sd->entity); #endif v4l2_ctrl_handler_free(&sc2210->ctrl_handler); mutex_destroy(&sc2210->mutex); pm_runtime_disable(&client->dev); if (!pm_runtime_status_suspended(&client->dev)) __sc2210_power_off(sc2210); pm_runtime_set_suspended(&client->dev); return 0; } #if IS_ENABLED(CONFIG_OF) static const struct of_device_id sc2210_of_match[] = { { .compatible = "smartsens,sc2210" }, {}, }; MODULE_DEVICE_TABLE(of, sc2210_of_match); #endif static const struct i2c_device_id sc2210_match_id[] = { { "smartsens,sc2210", 0 }, { }, }; static struct i2c_driver sc2210_i2c_driver = { .driver = { .name = sc2210_NAME, .pm = &sc2210_pm_ops, .of_match_table = of_match_ptr(sc2210_of_match), }, .probe = &sc2210_probe, .remove = &sc2210_remove, .id_table = sc2210_match_id, }; static int __init sensor_mod_init(void) { return i2c_add_driver(&sc2210_i2c_driver); } static void __exit sensor_mod_exit(void) { i2c_del_driver(&sc2210_i2c_driver); } #if defined(CONFIG_VIDEO_ROCKCHIP_THUNDER_BOOT_ISP) && !defined(CONFIG_INITCALL_ASYNC) subsys_initcall(sensor_mod_init); #else device_initcall_sync(sensor_mod_init); #endif module_exit(sensor_mod_exit); MODULE_DESCRIPTION("smartsens sc2210 sensor driver"); MODULE_LICENSE("GPL");