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| #include <linux/clk.h> |
| #include <linux/device.h> |
| #include <linux/delay.h> |
| #include <linux/gpio/consumer.h> |
| #include <linux/i2c.h> |
| #include <linux/module.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/regulator/consumer.h> |
| #include <linux/sysfs.h> |
| #include <linux/slab.h> |
| #include <linux/version.h> |
| #include <linux/rk-camera-module.h> |
| #include <linux/rk-preisp.h> |
| #include <media/media-entity.h> |
| #include <media/v4l2-async.h> |
| #include <media/v4l2-ctrls.h> |
| #include <media/v4l2-subdev.h> |
| #include <linux/pinctrl/consumer.h> |
| |
| #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x01) |
| |
| #ifndef V4L2_CID_DIGITAL_GAIN |
| #define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN |
| #endif |
| |
| #define SC500AI_LANES 4 |
| |
| #define SC500AI_LINK_FREQ_198M 198000000 |
| #define SC500AI_LINK_FREQ_405M 405000000 |
| |
| #define SC500AI_MAX_PIXEL_RATE (SC500AI_LINK_FREQ_405M / 10 * 2 * SC500AI_LANES) |
| |
| #define SC500AI_XVCLK_FREQ 24000000 |
| |
| #define SC500AI_CHIP_ID 0xce1f |
| #define SC500AI_REG_CHIP_ID 0x3107 |
| |
| #define SC500AI_REG_CTRL_MODE 0x0100 |
| #define SC500AI_MODE_SW_STANDBY 0x0 |
| #define SC500AI_MODE_STREAMING BIT(0) |
| |
| #define SC500AI_REG_EXPOSURE_H 0x3e00 |
| #define SC500AI_REG_EXPOSURE_M 0x3e01 |
| #define SC500AI_REG_EXPOSURE_L 0x3e02 |
| |
| #define SC500AI_EXPOSURE_MIN 2 |
| #define sc500ai_EXPOSURE_STEP 1 |
| |
| #define SC500AI_REG_DIG_GAIN 0x3e06 |
| #define SC500AI_REG_DIG_FINE_GAIN 0x3e07 |
| #define SC500AI_REG_ANA_GAIN 0x3e08 |
| #define SC500AI_REG_ANA_FINE_GAIN 0x3e09 |
| |
| #define SC500AI_GAIN_MIN 0x40 |
| #define SC500AI_GAIN_MAX 0xc000 |
| #define SC500AI_GAIN_STEP 1 |
| #define SC500AI_GAIN_DEFAULT 0x40 |
| |
| #define SC500AI_REG_VTS_H 0x320e |
| #define SC500AI_REG_VTS_L 0x320f |
| #define SC500AI_VTS_MAX 0x7fff |
| |
| #define SC500AI_SOFTWARE_RESET_REG 0x0103 |
| |
| |
| #define SC500AI_REG_SHORT_EXPOSURE_H 0x3e22 |
| #define SC500AI_REG_SHORT_EXPOSURE_M 0x3e04 |
| #define SC500AI_REG_SHORT_EXPOSURE_L 0x3e05 |
| #define SC500AI_REG_MAX_SHORT_EXP_H 0x3e23 |
| #define SC500AI_REG_MAX_SHORT_EXP_L 0x3e24 |
| |
| #define SC500AI_HDR_EXPOSURE_MIN 5 |
| #define SC500AI_HDR_EXPOSURE_STEP 4 |
| |
| #define SC500AI_MAX_SHORT_EXPOSURE 608 |
| |
| |
| #define SC500AI_REG_SDIG_GAIN 0x3e10 |
| #define SC500AI_REG_SDIG_FINE_GAIN 0x3e11 |
| #define SC500AI_REG_SANA_GAIN 0x3e12 |
| #define SC500AI_REG_SANA_FINE_GAIN 0x3e13 |
| |
| |
| #define SC500AI_GROUP_UPDATE_ADDRESS 0x3812 |
| #define SC500AI_GROUP_UPDATE_START_DATA 0x00 |
| #define SC500AI_GROUP_UPDATE_LAUNCH 0x30 |
| |
| #define SC500AI_FLIP_MIRROR_REG 0x3221 |
| #define SC500AI_FLIP_MASK 0x60 |
| #define SC500AI_MIRROR_MASK 0x06 |
| |
| #define REG_NULL 0xFFFF |
| |
| #define SC500AI_REG_VALUE_08BIT 1 |
| #define SC500AI_REG_VALUE_16BIT 2 |
| #define SC500AI_REG_VALUE_24BIT 3 |
| |
| #define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" |
| #define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" |
| #define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode" |
| |
| #define SC500AI_NAME "sc500ai" |
| |
| #define SC500AI_FETCH_EXP_H(VAL) (((VAL) >> 12) & 0xF) |
| #define SC500AI_FETCH_EXP_M(VAL) (((VAL) >> 4) & 0xFF) |
| #define SC500AI_FETCH_EXP_L(VAL) (((VAL) & 0xF) << 4) |
| |
| static const char * const sc500ai_supply_names[] = { |
| <------>"avdd", |
| <------>"dovdd", |
| <------>"dvdd", |
| }; |
| |
| #define sc500ai_NUM_SUPPLIES ARRAY_SIZE(sc500ai_supply_names) |
| |
| struct regval { |
| <------>u16 addr; |
| <------>u8 val; |
| }; |
| |
| struct sc500ai_mode { |
| <------>u32 bus_fmt; |
| <------>u32 width; |
| <------>u32 height; |
| <------>struct v4l2_fract max_fps; |
| <------>u32 hts_def; |
| <------>u32 vts_def; |
| <------>u32 exp_def; |
| <------>u32 mipi_freq_idx; |
| <------>u32 bpp; |
| <------>const struct regval *reg_list; |
| <------>u32 hdr_mode; |
| <------>u32 vc[PAD_MAX]; |
| }; |
| |
| struct sc500ai { |
| <------>struct i2c_client *client; |
| <------>struct clk *xvclk; |
| <------>struct gpio_desc *reset_gpio; |
| <------>struct gpio_desc *pwdn_gpio; |
| <------>struct regulator_bulk_data supplies[sc500ai_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 mutex mutex; |
| <------>struct v4l2_fract cur_fps; |
| <------>bool streaming; |
| <------>bool power_on; |
| <------>const struct sc500ai_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; |
| <------>u32 cur_vts; |
| }; |
| |
| #define to_sc500ai(sd) container_of(sd, struct sc500ai, subdev) |
| |
| |
| |
| |
| |
| |
| static const struct regval sc500ai_linear_10_2880x1620_regs[] = { |
| <------>{0x0103, 0x01}, |
| <------>{0x0100, 0x00}, |
| <------>{0x36e9, 0x80}, |
| <------>{0x36f9, 0x80}, |
| <------>{0x301f, 0x3c}, |
| <------>{0x3250, 0x40}, |
| <------>{0x3253, 0x0a}, |
| <------>{0x3301, 0x0a}, |
| <------>{0x3302, 0x18}, |
| <------>{0x3303, 0x10}, |
| <------>{0x3304, 0x60}, |
| <------>{0x3306, 0x60}, |
| <------>{0x3308, 0x10}, |
| <------>{0x3309, 0x70}, |
| <------>{0x330a, 0x00}, |
| <------>{0x330b, 0xf0}, |
| <------>{0x330d, 0x18}, |
| <------>{0x330e, 0x20}, |
| <------>{0x330f, 0x02}, |
| <------>{0x3310, 0x02}, |
| <------>{0x331c, 0x04}, |
| <------>{0x331e, 0x51}, |
| <------>{0x331f, 0x61}, |
| <------>{0x3320, 0x09}, |
| <------>{0x3333, 0x10}, |
| <------>{0x334c, 0x08}, |
| <------>{0x3356, 0x09}, |
| <------>{0x3364, 0x17}, |
| <------>{0x336d, 0x03}, |
| <------>{0x3390, 0x08}, |
| <------>{0x3391, 0x18}, |
| <------>{0x3392, 0x38}, |
| <------>{0x3393, 0x0a}, |
| <------>{0x3394, 0x20}, |
| <------>{0x3395, 0x20}, |
| <------>{0x3396, 0x08}, |
| <------>{0x3397, 0x18}, |
| <------>{0x3398, 0x38}, |
| <------>{0x3399, 0x0a}, |
| <------>{0x339a, 0x20}, |
| <------>{0x339b, 0x20}, |
| <------>{0x339c, 0x20}, |
| <------>{0x33ac, 0x10}, |
| <------>{0x33ae, 0x10}, |
| <------>{0x33af, 0x19}, |
| <------>{0x360f, 0x01}, |
| <------>{0x3622, 0x03}, |
| <------>{0x363a, 0x1f}, |
| <------>{0x363c, 0x40}, |
| <------>{0x3651, 0x7d}, |
| <------>{0x3670, 0x0a}, |
| <------>{0x3671, 0x07}, |
| <------>{0x3672, 0x17}, |
| <------>{0x3673, 0x1e}, |
| <------>{0x3674, 0x82}, |
| <------>{0x3675, 0x64}, |
| <------>{0x3676, 0x66}, |
| <------>{0x367a, 0x48}, |
| <------>{0x367b, 0x78}, |
| <------>{0x367c, 0x58}, |
| <------>{0x367d, 0x78}, |
| <------>{0x3690, 0x34}, |
| <------>{0x3691, 0x34}, |
| <------>{0x3692, 0x54}, |
| <------>{0x369c, 0x48}, |
| <------>{0x369d, 0x78}, |
| <------>{0x36ea, 0x35}, |
| <------>{0x36eb, 0x0c}, |
| <------>{0x36ec, 0x1a}, |
| <------>{0x36ed, 0x34}, |
| <------>{0x36fa, 0x35}, |
| <------>{0x36fb, 0x35}, |
| <------>{0x36fc, 0x10}, |
| <------>{0x36fd, 0x34}, |
| <------>{0x3904, 0x04}, |
| <------>{0x3908, 0x41}, |
| <------>{0x391d, 0x04}, |
| <------>{0x39c2, 0x30}, |
| <------>{0x3e01, 0xcd}, |
| <------>{0x3e02, 0xa0}, |
| <------>{0x3e16, 0x00}, |
| <------>{0x3e17, 0x80}, |
| <------>{0x4500, 0x88}, |
| <------>{0x4509, 0x20}, |
| <------>{0x4800, 0x04}, |
| <------>{0x5799, 0x00}, |
| <------>{0x59e0, 0x60}, |
| <------>{0x59e1, 0x08}, |
| <------>{0x59e2, 0x3f}, |
| <------>{0x59e3, 0x18}, |
| <------>{0x59e4, 0x18}, |
| <------>{0x59e5, 0x3f}, |
| <------>{0x59e7, 0x02}, |
| <------>{0x59e8, 0x38}, |
| <------>{0x59e9, 0x20}, |
| <------>{0x59ea, 0x0c}, |
| <------>{0x59ec, 0x08}, |
| <------>{0x59ed, 0x02}, |
| <------>{0x59ee, 0xa0}, |
| <------>{0x59ef, 0x08}, |
| <------>{0x59f4, 0x18}, |
| <------>{0x59f5, 0x10}, |
| <------>{0x59f6, 0x0c}, |
| <------>{0x59f9, 0x02}, |
| <------>{0x59fa, 0x18}, |
| <------>{0x59fb, 0x10}, |
| <------>{0x59fc, 0x0c}, |
| <------>{0x59ff, 0x02}, |
| <------>{0x36e9, 0x20}, |
| <------>{0x36f9, 0x53}, |
| <------>{REG_NULL, 0x00}, |
| }; |
| |
| static const struct regval sc500ai_hdr_10_2880x1620_regs[] = { |
| <------>{0x0103, 0x01}, |
| <------>{0x0100, 0x00}, |
| <------>{0x36e9, 0x80}, |
| <------>{0x36f9, 0x80}, |
| <------>{0x301f, 0x3b}, |
| <------>{0x3106, 0x01}, |
| <------>{0x320e, 0x0d}, |
| <------>{0x320f, 0x30}, |
| <------>{0x3220, 0x53}, |
| <------>{0x3250, 0xff}, |
| <------>{0x3253, 0x0a}, |
| <------>{0x3301, 0x0b}, |
| <------>{0x3302, 0x20}, |
| <------>{0x3303, 0x10}, |
| <------>{0x3304, 0x70}, |
| <------>{0x3306, 0x50}, |
| <------>{0x3308, 0x18}, |
| <------>{0x3309, 0x80}, |
| <------>{0x330a, 0x00}, |
| <------>{0x330b, 0xe8}, |
| <------>{0x330d, 0x30}, |
| <------>{0x330e, 0x30}, |
| <------>{0x330f, 0x02}, |
| <------>{0x3310, 0x02}, |
| <------>{0x331c, 0x08}, |
| <------>{0x331e, 0x61}, |
| <------>{0x331f, 0x71}, |
| <------>{0x3320, 0x11}, |
| <------>{0x3333, 0x10}, |
| <------>{0x334c, 0x10}, |
| <------>{0x3356, 0x11}, |
| <------>{0x3364, 0x17}, |
| <------>{0x336d, 0x03}, |
| <------>{0x3390, 0x08}, |
| <------>{0x3391, 0x18}, |
| <------>{0x3392, 0x38}, |
| <------>{0x3393, 0x0a}, |
| <------>{0x3394, 0x0a}, |
| <------>{0x3395, 0x12}, |
| <------>{0x3396, 0x08}, |
| <------>{0x3397, 0x18}, |
| <------>{0x3398, 0x38}, |
| <------>{0x3399, 0x0a}, |
| <------>{0x339a, 0x0a}, |
| <------>{0x339b, 0x0a}, |
| <------>{0x339c, 0x12}, |
| <------>{0x33ac, 0x10}, |
| <------>{0x33ae, 0x20}, |
| <------>{0x33af, 0x21}, |
| <------>{0x360f, 0x01}, |
| <------>{0x3621, 0xe8}, |
| <------>{0x3622, 0x06}, |
| <------>{0x3630, 0x82}, |
| <------>{0x3633, 0x33}, |
| <------>{0x3634, 0x64}, |
| <------>{0x3637, 0x50}, |
| <------>{0x363a, 0x1f}, |
| <------>{0x363c, 0x40}, |
| <------>{0x3651, 0x7d}, |
| <------>{0x3670, 0x0a}, |
| <------>{0x3671, 0x06}, |
| <------>{0x3672, 0x16}, |
| <------>{0x3673, 0x17}, |
| <------>{0x3674, 0x82}, |
| <------>{0x3675, 0x62}, |
| <------>{0x3676, 0x44}, |
| <------>{0x367a, 0x48}, |
| <------>{0x367b, 0x78}, |
| <------>{0x367c, 0x48}, |
| <------>{0x367d, 0x58}, |
| <------>{0x3690, 0x34}, |
| <------>{0x3691, 0x34}, |
| <------>{0x3692, 0x54}, |
| <------>{0x369c, 0x48}, |
| <------>{0x369d, 0x78}, |
| <------>{0x36ea, 0xf1}, |
| <------>{0x36eb, 0x04}, |
| <------>{0x36ec, 0x0a}, |
| <------>{0x36ed, 0x04}, |
| <------>{0x36fa, 0xf1}, |
| <------>{0x36fb, 0x04}, |
| <------>{0x36fc, 0x00}, |
| <------>{0x36fd, 0x06}, |
| <------>{0x3904, 0x04}, |
| <------>{0x3908, 0x41}, |
| <------>{0x391f, 0x10}, |
| <------>{0x39c2, 0x30}, |
| <------>{0x3e00, 0x01}, |
| <------>{0x3e01, 0x8c}, |
| <------>{0x3e02, 0x00}, |
| <------>{0x3e04, 0x18}, |
| <------>{0x3e05, 0xc0}, |
| <------>{0x3e23, 0x01}, |
| <------>{0x3e24, 0x37}, |
| <------>{0x4500, 0x88}, |
| <------>{0x4509, 0x20}, |
| <------>{0x4800, 0x04}, |
| <------>{0x4837, 0x14}, |
| <------>{0x4853, 0xfd}, |
| <------>{0x36e9, 0x53}, |
| <------>{0x36f9, 0x53}, |
| <------>{REG_NULL, 0x00}, |
| }; |
| |
| static const struct sc500ai_mode supported_modes[] = { |
| <------>{ |
| <------><------>.width = 2880, |
| <------><------>.height = 1620, |
| <------><------>.max_fps = { |
| <------><------><------>.numerator = 10000, |
| <------><------><------>.denominator = 300000, |
| <------><------>}, |
| <------><------>.exp_def = 0xcda / 2, |
| <------><------>.hts_def = 0xb40, |
| <------><------>.vts_def = 0x0672, |
| <------><------>.bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10, |
| <------><------>.reg_list = sc500ai_linear_10_2880x1620_regs, |
| <------><------>.mipi_freq_idx = 0, |
| <------><------>.bpp = 10, |
| <------><------>.hdr_mode = NO_HDR, |
| <------><------>.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, |
| <------>}, |
| <------>{ |
| <------><------>.width = 2880, |
| <------><------>.height = 1620, |
| <------><------>.max_fps = { |
| <------><------><------>.numerator = 10000, |
| <------><------><------>.denominator = 300000, |
| <------><------>}, |
| <------><------>.exp_def = 0x18c0 / 2, |
| <------><------>.hts_def = 0xb40, |
| <------><------>.vts_def = 0x0d30, |
| <------><------>.bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10, |
| <------><------>.reg_list = sc500ai_hdr_10_2880x1620_regs, |
| <------><------>.mipi_freq_idx = 1, |
| <------><------>.bpp = 10, |
| <------><------>.hdr_mode = HDR_X2, |
| <------><------>.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, |
| <------>}, |
| }; |
| |
| static const s64 link_freq_items[] = { |
| <------>SC500AI_LINK_FREQ_198M, |
| <------>SC500AI_LINK_FREQ_405M |
| }; |
| |
| |
| static int sc500ai_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) |
| <------><------>return -EIO; |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_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 = sc500ai_write_reg(client, regs[i].addr, |
| <------><------> SC500AI_REG_VALUE_08BIT, regs[i].val); |
| |
| <------>return ret; |
| } |
| |
| |
| static int sc500ai_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; |
| <------> |
| <------>msgs[0].addr = client->addr; |
| <------>msgs[0].flags = 0; |
| <------>msgs[0].len = 2; |
| <------>msgs[0].buf = (u8 *)®_addr_be; |
| |
| <------> |
| <------>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 sc500ai_get_reso_dist(const struct sc500ai_mode *mode, |
| struct v4l2_mbus_framefmt *framefmt) |
| { |
| <------>return abs(mode->width - framefmt->width) + |
| <------> abs(mode->height - framefmt->height); |
| } |
| |
| static const struct sc500ai_mode * |
| sc500ai_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 = sc500ai_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 sc500ai_set_fmt(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *fmt) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>const struct sc500ai_mode *mode; |
| <------>s64 h_blank, vblank_def; |
| <------>u64 pixel_rate = 0; |
| |
| <------>mutex_lock(&sc500ai->mutex); |
| |
| <------>mode = sc500ai_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) { |
| #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API |
| <------><------>*v4l2_subdev_get_try_format(sd, cfg, fmt->pad) = fmt->format; |
| #else |
| <------><------>mutex_unlock(&sc500ai->mutex); |
| <------><------>return -ENOTTY; |
| #endif |
| <------>} else { |
| <------><------>sc500ai->cur_mode = mode; |
| |
| <------><------>h_blank = mode->hts_def - mode->width; |
| <------><------>__v4l2_ctrl_modify_range(sc500ai->hblank, h_blank, |
| <------><------> h_blank, 1, h_blank); |
| <------><------>vblank_def = mode->vts_def - mode->height; |
| <------><------>__v4l2_ctrl_modify_range(sc500ai->vblank, vblank_def, |
| <------><------> SC500AI_VTS_MAX - mode->height, |
| <------><------> 1, vblank_def); |
| |
| <------><------>__v4l2_ctrl_s_ctrl(sc500ai->link_freq, mode->mipi_freq_idx); |
| <------><------>pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * SC500AI_LANES; |
| <------><------>__v4l2_ctrl_s_ctrl_int64(sc500ai->pixel_rate, pixel_rate); |
| <------><------>sc500ai->cur_fps = mode->max_fps; |
| <------><------>sc500ai->cur_vts = mode->vts_def; |
| <------>} |
| |
| <------>mutex_unlock(&sc500ai->mutex); |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_get_fmt(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_format *fmt) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>const struct sc500ai_mode *mode = sc500ai->cur_mode; |
| |
| <------>mutex_lock(&sc500ai->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(&sc500ai->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; |
| <------><------> |
| <------><------>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(&sc500ai->mutex); |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| struct v4l2_subdev_mbus_code_enum *code) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| |
| <------>if (code->index != 0) |
| <------><------>return -EINVAL; |
| <------>code->code = sc500ai->cur_mode->bus_fmt; |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_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 sc500ai_g_frame_interval(struct v4l2_subdev *sd, |
| struct v4l2_subdev_frame_interval *fi) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>const struct sc500ai_mode *mode = sc500ai->cur_mode; |
| |
| <------>if (sc500ai->streaming) |
| <------><------>fi->interval = sc500ai->cur_fps; |
| <------>else |
| <------><------>fi->interval = mode->max_fps; |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad, |
| struct v4l2_mbus_config *config) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>const struct sc500ai_mode *mode = sc500ai->cur_mode; |
| <------>u32 val = 1 << (SC500AI_LANES - 1) | |
| <------> V4L2_MBUS_CSI2_CHANNEL_0 | |
| <------> 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; |
| |
| <------>return 0; |
| } |
| |
| static void sc500ai_get_module_inf(struct sc500ai *sc500ai, |
| struct rkmodule_inf *inf) |
| { |
| <------>memset(inf, 0, sizeof(*inf)); |
| <------>strlcpy(inf->base.sensor, SC500AI_NAME, sizeof(inf->base.sensor)); |
| <------>strlcpy(inf->base.module, sc500ai->module_name, |
| <------> sizeof(inf->base.module)); |
| <------>strlcpy(inf->base.lens, sc500ai->len_name, sizeof(inf->base.lens)); |
| } |
| |
| static int sc500ai_set_hightemp_dpc(struct sc500ai *sc500ai, u32 total_gain) |
| { |
| <------>int ret = 0; |
| <------>if (total_gain <= 0x500) { |
| <------><------>ret = sc500ai_write_reg(sc500ai->client, 0x5799, SC500AI_REG_VALUE_08BIT, 0x00); |
| <------>} else if(total_gain >= 0x780) { |
| <------><------>ret = sc500ai_write_reg(sc500ai->client, 0x5799, SC500AI_REG_VALUE_08BIT, 0x07); |
| <------>} |
| <------>return ret; |
| } |
| |
| static int sc500ai_get_gain_reg(u32 total_gain, u32* again, u32* again_fine, u32* dgain, u32* dgain_fine) |
| { |
| <------>int ret = 0; |
| <------>u32 step = 0; |
| |
| <------>if (total_gain <= 0x60) { |
| <------><------>step = total_gain - 0x40; |
| |
| <------><------>*again = 0x03; |
| <------><------>*again_fine = step + 0x40; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80; |
| <------>} else if (total_gain <= 0xc0) { |
| <------><------>step = (total_gain - 0x60) * 64 / 0x60 - 1; |
| |
| <------><------>*again = 0x23; |
| <------><------>*again_fine = step + 0x40; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80; |
| <------>} else if (total_gain <= 0x180) { |
| <------><------>step = (total_gain - 0xc0) * 64 / 0xc0 - 1; |
| |
| <------><------>*again = 0x27; |
| <------><------>*again_fine = step + 0x40; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80; |
| <------>} else if (total_gain <= 0x300) { |
| <------><------>step = (total_gain - 0x180) * 64 / 0x180 - 1; |
| |
| <------><------>*again = 0x2f; |
| <------><------>*again_fine = step + 0x40; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80; |
| <------>} else if (total_gain <= 0x600) { |
| <------><------>step = (total_gain - 0x300) * 64 / 0x300 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = step + 0x40; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80; |
| <------>} else if (total_gain <= 0xc00) { |
| <------><------>step = (total_gain - 0x600) * 128 / 0x600 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = 0x7f; |
| <------><------>*dgain = 0x00; |
| <------><------>*dgain_fine = 0x80 + step; |
| <------>} else if (total_gain <= 0x1800) { |
| <------><------>step = (total_gain - 0xc00) * 128 / 0xc00 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = 0x7f; |
| <------><------>*dgain = 0x01; |
| <------><------>*dgain_fine = 0x80 + step; |
| <------>} else if (total_gain <= 0x3000) { |
| <------><------>step = (total_gain - 0x1800) * 128 / 0x1800 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = 0x7f; |
| <------><------>*dgain = 0x03; |
| <------><------>*dgain_fine = 0x80 + step; |
| <------>} else if (total_gain <= 0x6000) { |
| <------><------>step = (total_gain - 0x3000) * 128 / 0x3000 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = 0x7f; |
| <------><------>*dgain = 0x07; |
| <------><------>*dgain_fine = 0x80 + step; |
| <------>} else if (total_gain <= 0xc000) { |
| <------><------>step = (total_gain - 0x6000) * 128 / 0x6000 - 1; |
| |
| <------><------>*again = 0x3f; |
| <------><------>*again_fine = 0x7f; |
| <------><------>*dgain = 0x0f; |
| <------><------>*dgain_fine = 0x80 + step; |
| <------>} |
| <------>return ret; |
| } |
| |
| static int sc500ai_set_hdrae(struct sc500ai *sc500ai, |
| <------><------><------> 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 (!sc500ai->has_init_exp && !sc500ai->streaming) { |
| <------><------>sc500ai->init_hdrae_exp = *ae; |
| <------><------>sc500ai->has_init_exp = true; |
| <------><------>dev_dbg(&sc500ai->client->dev, "sc500ai 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(&sc500ai->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 (sc500ai->cur_mode->hdr_mode == HDR_X2) { |
| <------><------> |
| <------><------>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; |
| |
| <------>if (s_t_gain != l_t_gain) |
| <------><------>dev_err(&sc500ai->client->dev, |
| <------><------><------>"line mode: Long and short frame gains must be equal, l_t_gain: 0x%x, s_t_gain: 0x%x\n", |
| <------><------><------>l_t_gain, s_t_gain); |
| |
| <------>if (s_exp_time > SC500AI_MAX_SHORT_EXPOSURE) |
| <------><------>dev_err(&sc500ai->client->dev, |
| <------><------><------>"set short exp error, s_exp_time: 0x%x, max_short_exp: 0x%x\n", |
| <------><------><------>s_exp_time, SC500AI_MAX_SHORT_EXPOSURE); |
| |
| <------> |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------> SC500AI_REG_EXPOSURE_H, |
| <------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------> SC500AI_FETCH_EXP_H(l_exp_time)); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_EXPOSURE_M, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> SC500AI_FETCH_EXP_M(l_exp_time)); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_EXPOSURE_L, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> SC500AI_FETCH_EXP_L(l_exp_time)); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SHORT_EXPOSURE_H, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> SC500AI_FETCH_EXP_H(s_exp_time)); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SHORT_EXPOSURE_M, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> SC500AI_FETCH_EXP_M(s_exp_time)); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SHORT_EXPOSURE_L, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> SC500AI_FETCH_EXP_L(s_exp_time)); |
| |
| <------> |
| <------>sc500ai_get_gain_reg(l_t_gain, &l_again, &l_again_fine, &l_dgain, &l_dgain_fine); |
| <------>sc500ai_get_gain_reg(s_t_gain, &s_again, &s_again_fine, &s_dgain, &s_dgain_fine); |
| |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------> SC500AI_REG_DIG_GAIN, |
| <------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------> l_dgain); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_DIG_FINE_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> l_dgain_fine); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_ANA_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> l_again); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_ANA_FINE_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> l_again_fine); |
| |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------> SC500AI_REG_SDIG_GAIN, |
| <------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------> s_dgain); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SDIG_FINE_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> s_dgain_fine); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SANA_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> s_again); |
| <------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------> SC500AI_REG_SANA_FINE_GAIN, |
| <------> SC500AI_REG_VALUE_08BIT, |
| <------> s_again_fine); |
| <------>sc500ai_set_hightemp_dpc(sc500ai, s_t_gain); |
| <------>return ret; |
| } |
| |
| static int sc500ai_get_channel_info(struct sc500ai *sc500ai, struct rkmodule_channel_info *ch_info) |
| { |
| <------>if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX) |
| <------><------>return -EINVAL; |
| <------>ch_info->vc = sc500ai->cur_mode->vc[ch_info->index]; |
| <------>ch_info->width = sc500ai->cur_mode->width; |
| <------>ch_info->height = sc500ai->cur_mode->height; |
| <------>ch_info->bus_fmt = sc500ai->cur_mode->bus_fmt; |
| <------>return 0; |
| } |
| |
| static long sc500ai_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>struct rkmodule_hdr_cfg *hdr; |
| <------>const struct sc500ai_mode *mode; |
| <------>struct rkmodule_channel_info *ch_info; |
| |
| <------>long ret = 0; |
| <------>u32 i, h, w; |
| <------>u32 stream = 0; |
| <------>u64 pixel_rate = 0; |
| |
| <------>switch (cmd) { |
| <------>case RKMODULE_GET_MODULE_INFO: |
| <------><------>sc500ai_get_module_inf(sc500ai, (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 = sc500ai->cur_mode->hdr_mode; |
| <------><------>break; |
| <------>case RKMODULE_SET_HDR_CFG: |
| <------><------>hdr = (struct rkmodule_hdr_cfg *)arg; |
| <------><------>w = sc500ai->cur_mode->width; |
| <------><------>h = sc500ai->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) { |
| <------><------><------><------>sc500ai->cur_mode = &supported_modes[i]; |
| <------><------><------><------>break; |
| <------><------><------>} |
| <------><------>} |
| <------><------>if (i == ARRAY_SIZE(supported_modes)) { |
| <------><------><------>dev_err(&sc500ai->client->dev, |
| <------><------><------><------>"not find hdr mode:%d %dx%d config\n", |
| <------><------><------><------>hdr->hdr_mode, w, h); |
| <------><------><------>ret = -EINVAL; |
| <------><------>} else { |
| <------><------><------>mode = sc500ai->cur_mode; |
| <------><------><------>w = sc500ai->cur_mode->hts_def - sc500ai->cur_mode->width; |
| <------><------><------>h = sc500ai->cur_mode->vts_def - sc500ai->cur_mode->height; |
| <------><------><------>__v4l2_ctrl_modify_range(sc500ai->hblank, w, w, 1, w); |
| <------><------><------>__v4l2_ctrl_modify_range(sc500ai->vblank, h, |
| <------><------><------><------><------><------> SC500AI_VTS_MAX - sc500ai->cur_mode->height, 1, h); |
| |
| <------><------><------>__v4l2_ctrl_s_ctrl(sc500ai->link_freq, mode->mipi_freq_idx); |
| <------><------><------>pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * SC500AI_LANES; |
| <------><------><------>__v4l2_ctrl_s_ctrl_int64(sc500ai->pixel_rate, pixel_rate); |
| <------><------><------>sc500ai->cur_fps = mode->max_fps; |
| <------><------><------>sc500ai->cur_vts = mode->vts_def; |
| <------><------><------>dev_info(&sc500ai->client->dev, "sensor mode: %d\n", sc500ai->cur_mode->hdr_mode); |
| <------><------>} |
| <------><------>break; |
| <------>case PREISP_CMD_SET_HDRAE_EXP: |
| <------><------>if (sc500ai->cur_mode->hdr_mode == HDR_X2) |
| <------><------><------>ret = sc500ai_set_hdrae(sc500ai, arg); |
| <------><------>break; |
| <------>case RKMODULE_SET_QUICK_STREAM: |
| <------><------>stream = *((u32 *)arg); |
| <------><------>if (stream) |
| <------><------><------>ret = sc500ai_write_reg(sc500ai->client, SC500AI_REG_CTRL_MODE, |
| <------><------><------> SC500AI_REG_VALUE_08BIT, SC500AI_MODE_STREAMING); |
| <------><------>else |
| <------><------><------>ret = sc500ai_write_reg(sc500ai->client, SC500AI_REG_CTRL_MODE, |
| <------><------><------> SC500AI_REG_VALUE_08BIT, SC500AI_MODE_SW_STANDBY); |
| <------><------>break; |
| <------>case RKMODULE_GET_CHANNEL_INFO: |
| <------><------>ch_info = (struct rkmodule_channel_info *)arg; |
| <------><------>ret = sc500ai_get_channel_info(sc500ai, ch_info); |
| <------><------>break; |
| <------>default: |
| <------><------>ret = -ENOIOCTLCMD; |
| <------><------>break; |
| <------>} |
| |
| <------>return ret; |
| } |
| |
| #ifdef CONFIG_COMPAT |
| static long sc500ai_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; |
| <------>struct rkmodule_channel_info *ch_info; |
| <------>long ret = 0; |
| <------>u32 stream = 0; |
| |
| <------>switch (cmd) { |
| <------>case RKMODULE_GET_MODULE_INFO: |
| <------><------>inf = kzalloc(sizeof(*inf), GFP_KERNEL); |
| <------><------>if (!inf) { |
| <------><------><------>ret = -ENOMEM; |
| <------><------><------>return ret; |
| <------><------>} |
| |
| <------><------>ret = sc500ai_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 = sc500ai_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))) |
| <------><------><------>return -EFAULT; |
| |
| <------><------>ret = sc500ai_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))) |
| <------><------><------>return -EFAULT; |
| |
| <------><------>ret = sc500ai_ioctl(sd, cmd, hdrae); |
| <------><------>kfree(hdrae); |
| <------><------>break; |
| <------>case RKMODULE_SET_QUICK_STREAM: |
| <------><------>if (copy_from_user(&stream, up, sizeof(u32))) |
| <------><------><------>return -EFAULT; |
| |
| <------><------>ret = sc500ai_ioctl(sd, cmd, &stream); |
| <------><------>break; |
| <------>case RKMODULE_GET_CHANNEL_INFO: |
| <------><------>ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL); |
| <------><------>if (!ch_info) { |
| <------><------><------>ret = -ENOMEM; |
| <------><------><------>return ret; |
| <------><------>} |
| |
| <------><------>ret = sc500ai_ioctl(sd, cmd, ch_info); |
| <------><------>if (!ret) { |
| <------><------><------>ret = copy_to_user(up, ch_info, sizeof(*ch_info)); |
| <------><------><------>if (ret) |
| <------><------><------><------>ret = -EFAULT; |
| <------><------>} |
| <------><------>kfree(ch_info); |
| <------><------>break; |
| <------>default: |
| <------><------>ret = -ENOIOCTLCMD; |
| <------><------>break; |
| <------>} |
| |
| <------>return ret; |
| } |
| #endif |
| |
| static int __sc500ai_start_stream(struct sc500ai *sc500ai) |
| { |
| <------>int ret; |
| |
| <------>ret = sc500ai_write_array(sc500ai->client, sc500ai->cur_mode->reg_list); |
| <------>if (ret) |
| <------><------>return ret; |
| |
| <------> |
| <------>ret = __v4l2_ctrl_handler_setup(&sc500ai->ctrl_handler); |
| <------>if (ret) |
| <------><------>return ret; |
| <------>if (sc500ai->has_init_exp && sc500ai->cur_mode->hdr_mode != NO_HDR) { |
| <------><------>ret = sc500ai_ioctl(&sc500ai->subdev, PREISP_CMD_SET_HDRAE_EXP, |
| <------><------> &sc500ai->init_hdrae_exp); |
| <------><------>if (ret) { |
| <------><------><------>dev_err(&sc500ai->client->dev, |
| <------><------><------> "init exp fail in hdr mode\n"); |
| <------><------><------>return ret; |
| <------><------>} |
| <------>} |
| |
| <------>return sc500ai_write_reg(sc500ai->client, SC500AI_REG_CTRL_MODE, |
| <------> SC500AI_REG_VALUE_08BIT, SC500AI_MODE_STREAMING); |
| } |
| |
| static int __sc500ai_stop_stream(struct sc500ai *sc500ai) |
| { |
| <------>sc500ai->has_init_exp = false; |
| <------>return sc500ai_write_reg(sc500ai->client, SC500AI_REG_CTRL_MODE, |
| <------> SC500AI_REG_VALUE_08BIT, SC500AI_MODE_SW_STANDBY); |
| } |
| |
| static int sc500ai_s_stream(struct v4l2_subdev *sd, int on) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>struct i2c_client *client = sc500ai->client; |
| <------>int ret = 0; |
| |
| <------>mutex_lock(&sc500ai->mutex); |
| <------>on = !!on; |
| <------>if (on == sc500ai->streaming) |
| <------><------>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; |
| <------><------>} |
| |
| <------><------>ret = __sc500ai_start_stream(sc500ai); |
| <------><------>if (ret) { |
| <------><------><------>v4l2_err(sd, "start stream failed while write regs\n"); |
| <------><------><------>pm_runtime_put(&client->dev); |
| <------><------><------>goto unlock_and_return; |
| <------><------>} |
| <------>} else { |
| <------><------>__sc500ai_stop_stream(sc500ai); |
| <------><------>pm_runtime_put(&client->dev); |
| <------>} |
| |
| <------>sc500ai->streaming = on; |
| |
| unlock_and_return: |
| <------>mutex_unlock(&sc500ai->mutex); |
| |
| <------>return ret; |
| } |
| |
| static int sc500ai_s_power(struct v4l2_subdev *sd, int on) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>struct i2c_client *client = sc500ai->client; |
| <------>int ret = 0; |
| |
| <------>mutex_lock(&sc500ai->mutex); |
| |
| <------> |
| <------>if (sc500ai->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; |
| <------><------>} |
| |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------> SC500AI_SOFTWARE_RESET_REG, |
| <------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------> 0x01); |
| <------><------>usleep_range(100, 200); |
| |
| <------><------>sc500ai->power_on = true; |
| <------>} else { |
| <------><------>pm_runtime_put(&client->dev); |
| <------><------>sc500ai->power_on = false; |
| <------>} |
| |
| unlock_and_return: |
| <------>mutex_unlock(&sc500ai->mutex); |
| |
| <------>return ret; |
| } |
| |
| static int __sc500ai_power_on(struct sc500ai *sc500ai) |
| { |
| <------>int ret; |
| <------>struct device *dev = &sc500ai->client->dev; |
| |
| <------>if (!IS_ERR_OR_NULL(sc500ai->pins_default)) { |
| <------><------>ret = pinctrl_select_state(sc500ai->pinctrl, |
| <------><------> sc500ai->pins_default); |
| <------><------>if (ret < 0) |
| <------><------><------>dev_err(dev, "could not set pins\n"); |
| <------>} |
| <------>ret = clk_set_rate(sc500ai->xvclk, SC500AI_XVCLK_FREQ); |
| <------>if (ret < 0) |
| <------><------>dev_warn(dev, "Failed to set xvclk rate (27MHz)\n"); |
| <------>if (clk_get_rate(sc500ai->xvclk) != SC500AI_XVCLK_FREQ) |
| <------><------>dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); |
| <------>ret = clk_prepare_enable(sc500ai->xvclk); |
| <------>if (ret < 0) { |
| <------><------>dev_err(dev, "Failed to enable xvclk\n"); |
| <------><------>return ret; |
| <------>} |
| <------>if (!IS_ERR(sc500ai->reset_gpio)) |
| <------><------>gpiod_set_value_cansleep(sc500ai->reset_gpio, 0); |
| |
| <------>ret = regulator_bulk_enable(sc500ai_NUM_SUPPLIES, sc500ai->supplies); |
| <------>if (ret < 0) { |
| <------><------>dev_err(dev, "Failed to enable regulators\n"); |
| <------><------>goto disable_clk; |
| <------>} |
| |
| <------>if (!IS_ERR(sc500ai->reset_gpio)) |
| <------><------>gpiod_set_value_cansleep(sc500ai->reset_gpio, 1); |
| |
| <------>usleep_range(500, 1000); |
| <------>if (!IS_ERR(sc500ai->pwdn_gpio)) |
| <------><------>gpiod_set_value_cansleep(sc500ai->pwdn_gpio, 1); |
| |
| <------>usleep_range(4000, 5000); |
| <------>return 0; |
| |
| disable_clk: |
| <------>clk_disable_unprepare(sc500ai->xvclk); |
| |
| <------>return ret; |
| } |
| |
| static void __sc500ai_power_off(struct sc500ai *sc500ai) |
| { |
| <------>int ret; |
| <------>struct device *dev = &sc500ai->client->dev; |
| |
| <------>if (!IS_ERR(sc500ai->pwdn_gpio)) |
| <------><------>gpiod_set_value_cansleep(sc500ai->pwdn_gpio, 0); |
| <------>clk_disable_unprepare(sc500ai->xvclk); |
| <------>if (!IS_ERR(sc500ai->reset_gpio)) |
| <------><------>gpiod_set_value_cansleep(sc500ai->reset_gpio, 0); |
| <------>if (!IS_ERR_OR_NULL(sc500ai->pins_sleep)) { |
| <------><------>ret = pinctrl_select_state(sc500ai->pinctrl, |
| <------><------> sc500ai->pins_sleep); |
| <------><------>if (ret < 0) |
| <------><------><------>dev_dbg(dev, "could not set pins\n"); |
| <------>} |
| <------>regulator_bulk_disable(sc500ai_NUM_SUPPLIES, sc500ai->supplies); |
| } |
| |
| static int sc500ai_runtime_resume(struct device *dev) |
| { |
| <------>struct i2c_client *client = to_i2c_client(dev); |
| <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| |
| <------>return __sc500ai_power_on(sc500ai); |
| } |
| |
| static int sc500ai_runtime_suspend(struct device *dev) |
| { |
| <------>struct i2c_client *client = to_i2c_client(dev); |
| <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| |
| <------>__sc500ai_power_off(sc500ai); |
| |
| <------>return 0; |
| } |
| |
| #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API |
| static int sc500ai_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) |
| { |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| <------>struct v4l2_mbus_framefmt *try_fmt = |
| <------> v4l2_subdev_get_try_format(sd, fh->pad, 0); |
| <------>const struct sc500ai_mode *def_mode = &supported_modes[0]; |
| |
| <------>mutex_lock(&sc500ai->mutex); |
| <------> |
| <------>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(&sc500ai->mutex); |
| <------> |
| |
| <------>return 0; |
| } |
| #endif |
| |
| #define DST_WIDTH 2880 |
| #define DST_HEIGHT 1616 |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| static int sc500ai_get_selection(struct v4l2_subdev *sd, |
| <------><------><------><------>struct v4l2_subdev_pad_config *cfg, |
| <------><------><------><------>struct v4l2_subdev_selection *sel) |
| { |
| <------>if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) { |
| <------><------>sel->r.left = 0; |
| <------><------>sel->r.width = DST_WIDTH; |
| <------><------>sel->r.top = 2; |
| <------><------>sel->r.height = DST_HEIGHT; |
| <------><------>return 0; |
| <------>} |
| <------>return -EINVAL; |
| } |
| |
| static int sc500ai_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 sc500ai_pm_ops = { |
| <------>SET_RUNTIME_PM_OPS(sc500ai_runtime_suspend, |
| <------>sc500ai_runtime_resume, NULL) |
| }; |
| |
| #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API |
| static const struct v4l2_subdev_internal_ops sc500ai_internal_ops = { |
| <------>.open = sc500ai_open, |
| }; |
| #endif |
| |
| static const struct v4l2_subdev_core_ops sc500ai_core_ops = { |
| <------>.s_power = sc500ai_s_power, |
| <------>.ioctl = sc500ai_ioctl, |
| #ifdef CONFIG_COMPAT |
| <------>.compat_ioctl32 = sc500ai_compat_ioctl32, |
| #endif |
| }; |
| |
| static const struct v4l2_subdev_video_ops sc500ai_video_ops = { |
| <------>.s_stream = sc500ai_s_stream, |
| <------>.g_frame_interval = sc500ai_g_frame_interval, |
| }; |
| |
| static const struct v4l2_subdev_pad_ops sc500ai_pad_ops = { |
| <------>.enum_mbus_code = sc500ai_enum_mbus_code, |
| <------>.enum_frame_size = sc500ai_enum_frame_sizes, |
| <------>.enum_frame_interval = sc500ai_enum_frame_interval, |
| <------>.get_fmt = sc500ai_get_fmt, |
| <------>.set_fmt = sc500ai_set_fmt, |
| <------>.get_selection = sc500ai_get_selection, |
| <------>.get_mbus_config = sc500ai_g_mbus_config, |
| }; |
| |
| static const struct v4l2_subdev_ops sc500ai_subdev_ops = { |
| <------>.core = &sc500ai_core_ops, |
| <------>.video = &sc500ai_video_ops, |
| <------>.pad = &sc500ai_pad_ops, |
| }; |
| |
| static void sc500ai_modify_fps_info(struct sc500ai *sc500ai) |
| { |
| <------>const struct sc500ai_mode *mode = sc500ai->cur_mode; |
| |
| <------>sc500ai->cur_fps.denominator = mode->max_fps.denominator * mode->vts_def / |
| <------><------><------><------> sc500ai->cur_vts; |
| } |
| |
| static int sc500ai_set_ctrl(struct v4l2_ctrl *ctrl) |
| { |
| <------>struct sc500ai *sc500ai = container_of(ctrl->handler, |
| <------> struct sc500ai, ctrl_handler); |
| <------>struct i2c_client *client = sc500ai->client; |
| <------>s64 max; |
| <------>u32 again = 0, again_fine = 0, dgain = 0, dgain_fine = 0; |
| <------>int ret = 0; |
| <------>u32 val = 0, vts = 0; |
| <------>u64 delay_time = 0; |
| <------>u32 cur_fps = 0; |
| <------>u32 def_fps = 0; |
| <------>u32 denominator = 0; |
| <------>u32 numerator = 0; |
| |
| <------> |
| <------>switch (ctrl->id) { |
| <------>case V4L2_CID_VBLANK: |
| <------><------> |
| <------><------>max = sc500ai->cur_mode->height + ctrl->val - 5; |
| <------><------>__v4l2_ctrl_modify_range(sc500ai->exposure, |
| <------><------><------><------><------> sc500ai->exposure->minimum, max, |
| <------><------><------><------><------> sc500ai->exposure->step, |
| <------><------><------><------><------> sc500ai->exposure->default_value); |
| <------><------>break; |
| <------>} |
| |
| <------>if (!pm_runtime_get_if_in_use(&client->dev)) |
| <------><------>return 0; |
| |
| <------>switch (ctrl->id) { |
| <------>case V4L2_CID_EXPOSURE: |
| <------><------>if (sc500ai->cur_mode->hdr_mode != NO_HDR) |
| <------><------><------>return ret; |
| <------><------>val = ctrl->val << 1; |
| <------><------>ret = sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------>SC500AI_REG_EXPOSURE_H, |
| <------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------>SC500AI_FETCH_EXP_H(val)); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------>SC500AI_REG_EXPOSURE_M, |
| <------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------>SC500AI_FETCH_EXP_M(val)); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_REG_EXPOSURE_L, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> SC500AI_FETCH_EXP_L(val)); |
| |
| <------><------>dev_dbg(&client->dev, "set exposure 0x%x\n", val); |
| <------><------>break; |
| <------>case V4L2_CID_ANALOGUE_GAIN: |
| <------><------>if (sc500ai->cur_mode->hdr_mode != NO_HDR) |
| <------><------><------>return ret; |
| |
| <------><------>sc500ai_get_gain_reg(ctrl->val, &again, &again_fine, &dgain, &dgain_fine); |
| <------><------>ret = sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------>SC500AI_REG_DIG_GAIN, |
| <------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------>dgain); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_REG_DIG_FINE_GAIN, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> dgain_fine); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_REG_ANA_GAIN, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> again); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_REG_ANA_FINE_GAIN, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> again_fine); |
| <------><------>sc500ai_set_hightemp_dpc(sc500ai, ctrl->val); |
| |
| <------><------>dev_dbg(&sc500ai->client->dev, |
| <------><------><------>"total_gain:%d again 0x%x, again_fine 0x%x, dgain 0x%x, dgain_fine 0x%x\n", |
| <------><------><------>ctrl->val, again, again_fine, dgain, dgain_fine); |
| <------><------>break; |
| <------>case V4L2_CID_VBLANK: |
| <------><------>vts = ctrl->val + sc500ai->cur_mode->height; |
| <------><------>ret = sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------>SC500AI_REG_VTS_H, |
| <------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------>(vts >> 8) & 0x7f); |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_REG_VTS_L, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> vts & 0xff); |
| <------><------>if (!ret) |
| <------><------><------>sc500ai->cur_vts = vts; |
| <------><------>if (sc500ai->cur_vts != sc500ai->cur_mode->vts_def) |
| <------><------><------>sc500ai_modify_fps_info(sc500ai); |
| <------><------>break; |
| <------>case V4L2_CID_HFLIP: |
| <------><------>ret = sc500ai_read_reg(sc500ai->client, SC500AI_FLIP_MIRROR_REG, |
| <------><------><------><------> SC500AI_REG_VALUE_08BIT, &val); |
| <------><------>if (ret) |
| <------><------><------>break; |
| <------><------>if (ctrl->val) |
| <------><------><------>val |= SC500AI_MIRROR_MASK; |
| <------><------>else |
| <------><------><------>val &= ~SC500AI_MIRROR_MASK; |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, SC500AI_FLIP_MIRROR_REG, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, val); |
| <------><------>break; |
| <------>case V4L2_CID_VFLIP: |
| <------><------>ret = sc500ai_read_reg(sc500ai->client, |
| <------><------><------><------> SC500AI_FLIP_MIRROR_REG, |
| <------><------><------><------> SC500AI_REG_VALUE_08BIT, &val); |
| <------><------>if (ret) |
| <------><------><------>break; |
| <------><------>denominator = sc500ai->cur_mode->max_fps.denominator; |
| <------><------>numerator = sc500ai->cur_mode->max_fps.numerator; |
| <------><------>def_fps = denominator / numerator; |
| <------><------>cur_fps = def_fps * sc500ai->cur_mode->vts_def / sc500ai->cur_vts; |
| <------><------>if (cur_fps > 25) { |
| <------><------><------>vts = def_fps * sc500ai->cur_mode->vts_def / 25; |
| <------><------><------>ret = sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------><------>SC500AI_REG_VTS_H, |
| <------><------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------><------>(vts >> 8) & 0x7f); |
| <------><------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------><------>SC500AI_REG_VTS_L, |
| <------><------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------><------>vts & 0xff); |
| <------><------><------>delay_time = 1000000 / 25; |
| <------><------><------>delay_time *= 2; |
| <------><------><------>usleep_range(delay_time, delay_time + 1000); |
| <------><------>} |
| |
| <------><------>if (ctrl->val) |
| <------><------><------>val |= SC500AI_FLIP_MASK; |
| <------><------>else |
| <------><------><------>val &= ~SC500AI_FLIP_MASK; |
| |
| <------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------> SC500AI_FLIP_MIRROR_REG, |
| <------><------><------><------><------> SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------> val); |
| <------><------>if (cur_fps > 25) { |
| <------><------><------>usleep_range(delay_time, delay_time + 1000); |
| <------><------><------>vts = sc500ai->cur_vts; |
| <------><------><------>ret = sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------><------>SC500AI_REG_VTS_H, |
| <------><------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------><------>(vts >> 8) & 0x7f); |
| <------><------><------>ret |= sc500ai_write_reg(sc500ai->client, |
| <------><------><------><------><------><------>SC500AI_REG_VTS_L, |
| <------><------><------><------><------><------>SC500AI_REG_VALUE_08BIT, |
| <------><------><------><------><------><------>vts & 0xff); |
| <------><------>} |
| <------><------>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 sc500ai_ctrl_ops = { |
| <------>.s_ctrl = sc500ai_set_ctrl, |
| }; |
| |
| static int sc500ai_initialize_controls(struct sc500ai *sc500ai) |
| { |
| <------>const struct sc500ai_mode *mode; |
| <------>struct v4l2_ctrl_handler *handler; |
| <------>s64 exposure_max, vblank_def; |
| <------>u64 pixel_rate; |
| <------>u32 h_blank; |
| <------>int ret; |
| |
| <------>handler = &sc500ai->ctrl_handler; |
| <------>mode = sc500ai->cur_mode; |
| <------>ret = v4l2_ctrl_handler_init(handler, 8); |
| <------>if (ret) |
| <------><------>return ret; |
| <------>handler->lock = &sc500ai->mutex; |
| |
| <------>sc500ai->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, |
| <------><------><------><------>V4L2_CID_LINK_FREQ, |
| <------><------><------><------>ARRAY_SIZE(link_freq_items) - 1, 0, |
| <------><------><------><------>link_freq_items); |
| <------>__v4l2_ctrl_s_ctrl(sc500ai->link_freq, mode->mipi_freq_idx); |
| |
| <------> |
| <------>pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * SC500AI_LANES ; |
| <------>sc500ai->pixel_rate = v4l2_ctrl_new_std(handler, NULL, |
| <------><------><------>V4L2_CID_PIXEL_RATE, 0, SC500AI_MAX_PIXEL_RATE, |
| <------><------><------>1, pixel_rate); |
| |
| <------>h_blank = mode->hts_def - mode->width; |
| <------>sc500ai->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, |
| <------> h_blank, h_blank, 1, h_blank); |
| <------>if (sc500ai->hblank) |
| <------><------>sc500ai->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
| |
| <------>vblank_def = mode->vts_def - mode->height; |
| <------>sc500ai->cur_vts = mode->vts_def; |
| <------>sc500ai->cur_fps = mode->max_fps; |
| <------>sc500ai->vblank = v4l2_ctrl_new_std(handler, &sc500ai_ctrl_ops, |
| <------> V4L2_CID_VBLANK, vblank_def, |
| <------> SC500AI_VTS_MAX - mode->height, |
| <------> 1, vblank_def); |
| <------>exposure_max = mode->vts_def - 5; |
| <------>sc500ai->exposure = v4l2_ctrl_new_std(handler, &sc500ai_ctrl_ops, |
| <------> V4L2_CID_EXPOSURE, SC500AI_EXPOSURE_MIN, |
| <------> exposure_max, sc500ai_EXPOSURE_STEP, |
| <------> mode->exp_def); |
| |
| <------>sc500ai->anal_gain = v4l2_ctrl_new_std(handler, &sc500ai_ctrl_ops, |
| <------> V4L2_CID_ANALOGUE_GAIN, SC500AI_GAIN_MIN, |
| <------> SC500AI_GAIN_MAX, SC500AI_GAIN_STEP, |
| <------> SC500AI_GAIN_DEFAULT); |
| |
| <------>v4l2_ctrl_new_std(handler, &sc500ai_ctrl_ops, |
| <------><------><------><------>V4L2_CID_HFLIP, 0, 1, 1, 0); |
| |
| <------>v4l2_ctrl_new_std(handler, &sc500ai_ctrl_ops, |
| <------><------><------><------>V4L2_CID_VFLIP, 0, 1, 1, 0); |
| |
| <------>if (handler->error) { |
| <------><------>ret = handler->error; |
| <------><------>dev_err(&sc500ai->client->dev, |
| <------><------> "Failed to init controls(%d)\n", ret); |
| <------><------>goto err_free_handler; |
| <------>} |
| <------>sc500ai->subdev.ctrl_handler = handler; |
| <------>sc500ai->has_init_exp = false; |
| |
| <------>return 0; |
| |
| err_free_handler: |
| <------>v4l2_ctrl_handler_free(handler); |
| <------>return ret; |
| } |
| |
| static int sc500ai_check_sensor_id(struct sc500ai *sc500ai, |
| struct i2c_client *client) |
| { |
| <------>struct device *dev = &sc500ai->client->dev; |
| <------>u32 id = 0; |
| <------>int ret; |
| |
| <------>ret = sc500ai_read_reg(client, SC500AI_REG_CHIP_ID, |
| <------> SC500AI_REG_VALUE_16BIT, &id); |
| <------>if (id != SC500AI_CHIP_ID) { |
| <------><------>dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); |
| <------><------>return -ENODEV; |
| <------>} |
| |
| <------>dev_info(dev, "Detected SC%06x sensor\n", SC500AI_CHIP_ID); |
| |
| <------>return 0; |
| } |
| |
| static int sc500ai_configure_regulators(struct sc500ai *sc500ai) |
| { |
| <------>unsigned int i; |
| |
| <------>for (i = 0; i < sc500ai_NUM_SUPPLIES; i++) |
| <------><------>sc500ai->supplies[i].supply = sc500ai_supply_names[i]; |
| |
| <------>return devm_regulator_bulk_get(&sc500ai->client->dev, |
| <------> sc500ai_NUM_SUPPLIES, |
| <------> sc500ai->supplies); |
| } |
| |
| static int sc500ai_probe(struct i2c_client *client, |
| const struct i2c_device_id *id) |
| { |
| <------>struct device *dev = &client->dev; |
| <------>struct device_node *node = dev->of_node; |
| <------>struct sc500ai *sc500ai; |
| <------>struct v4l2_subdev *sd; |
| <------>char facing[2]; |
| <------>int ret; |
| <------>u32 i, hdr_mode = 0; |
| |
| <------>dev_info(dev, "driver version: %02x.%02x.%02x", |
| <------> DRIVER_VERSION >> 16, |
| <------> (DRIVER_VERSION & 0xff00) >> 8, |
| <------> DRIVER_VERSION & 0x00ff); |
| |
| <------>sc500ai = devm_kzalloc(dev, sizeof(*sc500ai), GFP_KERNEL); |
| <------>if (!sc500ai) |
| <------><------>return -ENOMEM; |
| |
| <------>of_property_read_u32(node, OF_CAMERA_HDR_MODE, &hdr_mode); |
| <------>ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, |
| <------> &sc500ai->module_index); |
| <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, |
| <------> &sc500ai->module_facing); |
| <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, |
| <------> &sc500ai->module_name); |
| <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, |
| <------> &sc500ai->len_name); |
| <------>if (ret) { |
| <------><------>dev_err(dev, "could not get module information!\n"); |
| <------><------>return -EINVAL; |
| <------>} |
| |
| <------>sc500ai->client = client; |
| <------>for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { |
| <------><------>if (hdr_mode == supported_modes[i].hdr_mode) { |
| <------><------><------>sc500ai->cur_mode = &supported_modes[i]; |
| <------><------><------>break; |
| <------><------>} |
| <------>} |
| <------>if (i == ARRAY_SIZE(supported_modes)) |
| <------><------>sc500ai->cur_mode = &supported_modes[0]; |
| |
| <------>sc500ai->xvclk = devm_clk_get(dev, "xvclk"); |
| <------>if (IS_ERR(sc500ai->xvclk)) { |
| <------><------>dev_err(dev, "Failed to get xvclk\n"); |
| <------><------>return -EINVAL; |
| <------>} |
| |
| <------>sc500ai->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); |
| <------>if (IS_ERR(sc500ai->reset_gpio)) |
| <------><------>dev_warn(dev, "Failed to get reset-gpios\n"); |
| |
| <------>sc500ai->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW); |
| <------>if (IS_ERR(sc500ai->pwdn_gpio)) |
| <------><------>dev_warn(dev, "Failed to get pwdn-gpios\n"); |
| |
| <------>sc500ai->pinctrl = devm_pinctrl_get(dev); |
| <------>if (!IS_ERR(sc500ai->pinctrl)) { |
| <------><------>sc500ai->pins_default = |
| <------><------> pinctrl_lookup_state(sc500ai->pinctrl, |
| <------><------> OF_CAMERA_PINCTRL_STATE_DEFAULT); |
| <------><------>if (IS_ERR(sc500ai->pins_default)) |
| <------><------><------>dev_err(dev, "could not get default pinstate\n"); |
| |
| <------><------>sc500ai->pins_sleep = |
| <------><------> pinctrl_lookup_state(sc500ai->pinctrl, |
| <------><------> OF_CAMERA_PINCTRL_STATE_SLEEP); |
| <------><------>if (IS_ERR(sc500ai->pins_sleep)) |
| <------><------><------>dev_err(dev, "could not get sleep pinstate\n"); |
| <------>} else { |
| <------><------>dev_err(dev, "no pinctrl\n"); |
| <------>} |
| |
| <------>ret = sc500ai_configure_regulators(sc500ai); |
| <------>if (ret) { |
| <------><------>dev_err(dev, "Failed to get power regulators\n"); |
| <------><------>return ret; |
| <------>} |
| |
| <------>mutex_init(&sc500ai->mutex); |
| |
| <------>sd = &sc500ai->subdev; |
| <------>v4l2_i2c_subdev_init(sd, client, &sc500ai_subdev_ops); |
| <------>ret = sc500ai_initialize_controls(sc500ai); |
| <------>if (ret) |
| <------><------>goto err_destroy_mutex; |
| |
| <------>ret = __sc500ai_power_on(sc500ai); |
| <------>if (ret) |
| <------><------>goto err_free_handler; |
| |
| <------>ret = sc500ai_check_sensor_id(sc500ai, client); |
| <------>if (ret) |
| <------><------>goto err_power_off; |
| |
| #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API |
| <------>sd->internal_ops = &sc500ai_internal_ops; |
| <------>sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | |
| <------> V4L2_SUBDEV_FL_HAS_EVENTS; |
| #endif |
| #if defined(CONFIG_MEDIA_CONTROLLER) |
| <------>sc500ai->pad.flags = MEDIA_PAD_FL_SOURCE; |
| <------>sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; |
| <------>ret = media_entity_pads_init(&sd->entity, 1, &sc500ai->pad); |
| <------>if (ret < 0) |
| <------><------>goto err_power_off; |
| #endif |
| |
| <------>memset(facing, 0, sizeof(facing)); |
| <------>if (strcmp(sc500ai->module_facing, "back") == 0) |
| <------><------>facing[0] = 'b'; |
| <------>else |
| <------><------>facing[0] = 'f'; |
| |
| <------>snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", |
| <------> sc500ai->module_index, facing, |
| <------> SC500AI_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); |
| <------>pm_runtime_idle(dev); |
| |
| <------>return 0; |
| |
| err_clean_entity: |
| #if defined(CONFIG_MEDIA_CONTROLLER) |
| <------>media_entity_cleanup(&sd->entity); |
| #endif |
| err_power_off: |
| <------>__sc500ai_power_off(sc500ai); |
| err_free_handler: |
| <------>v4l2_ctrl_handler_free(&sc500ai->ctrl_handler); |
| err_destroy_mutex: |
| <------>mutex_destroy(&sc500ai->mutex); |
| |
| <------>return ret; |
| } |
| |
| static int sc500ai_remove(struct i2c_client *client) |
| { |
| <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); |
| <------>struct sc500ai *sc500ai = to_sc500ai(sd); |
| |
| <------>v4l2_async_unregister_subdev(sd); |
| #if defined(CONFIG_MEDIA_CONTROLLER) |
| <------>media_entity_cleanup(&sd->entity); |
| #endif |
| <------>v4l2_ctrl_handler_free(&sc500ai->ctrl_handler); |
| <------>mutex_destroy(&sc500ai->mutex); |
| |
| <------>pm_runtime_disable(&client->dev); |
| <------>if (!pm_runtime_status_suspended(&client->dev)) |
| <------><------>__sc500ai_power_off(sc500ai); |
| <------>pm_runtime_set_suspended(&client->dev); |
| |
| <------>return 0; |
| } |
| |
| #if IS_ENABLED(CONFIG_OF) |
| static const struct of_device_id sc500ai_of_match[] = { |
| <------>{ .compatible = "smartsens,sc500ai" }, |
| <------>{}, |
| }; |
| MODULE_DEVICE_TABLE(of, sc500ai_of_match); |
| #endif |
| |
| static const struct i2c_device_id sc500ai_match_id[] = { |
| <------>{ "smartsens,sc500ai", 0 }, |
| <------>{ }, |
| }; |
| |
| static struct i2c_driver sc500ai_i2c_driver = { |
| <------>.driver = { |
| <------><------>.name = SC500AI_NAME, |
| <------><------>.pm = &sc500ai_pm_ops, |
| <------><------>.of_match_table = of_match_ptr(sc500ai_of_match), |
| <------>}, |
| <------>.probe = &sc500ai_probe, |
| <------>.remove = &sc500ai_remove, |
| <------>.id_table = sc500ai_match_id, |
| }; |
| |
| static int __init sensor_mod_init(void) |
| { |
| <------>return i2c_add_driver(&sc500ai_i2c_driver); |
| } |
| |
| static void __exit sensor_mod_exit(void) |
| { |
| <------>i2c_del_driver(&sc500ai_i2c_driver); |
| } |
| |
| device_initcall_sync(sensor_mod_init); |
| module_exit(sensor_mod_exit); |
| |
| MODULE_DESCRIPTION("smartsens sc500ai sensor driver"); |
| MODULE_LICENSE("GPL v2"); |
| |