diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 3215c45749f8..7882b583ff63 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1442,6 +1442,17 @@ config VIDEO_BF3925 To compile this driver as a module, choose M here: the module will be called bf3925. +config VIDEO_JX_F37 + tristate "SOI JX_F37 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on MEDIA_CAMERA_SUPPORT + select V4L2_FWNODE + help + Support for the SOI JX_F37 sensor. + + To compile this driver as a module, choose M here: the + module will be called jx_f37. + config VIDEO_JX_H65 tristate "SOI JX_H65 sensor support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 85c4878f5a6d..48a24539f96d 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -154,6 +154,7 @@ obj-$(CONFIG_VIDEO_GC5025) += gc5025.o obj-$(CONFIG_VIDEO_GC5035) += gc5035.o obj-$(CONFIG_VIDEO_GC8034) += gc8034.o obj-$(CONFIG_VIDEO_BF3925) += bf3925.o +obj-$(CONFIG_VIDEO_JX_F37) += jx_f37.o obj-$(CONFIG_VIDEO_JX_H65) += jx_h65.o obj-$(CONFIG_VIDEO_SC031GS) += sc031gs.o obj-$(CONFIG_VIDEO_SC132GS) += sc132gs.o diff --git a/drivers/media/i2c/jx_f37.c b/drivers/media/i2c/jx_f37.c new file mode 100644 index 000000000000..2d643feae752 --- /dev/null +++ b/drivers/media/i2c/jx_f37.c @@ -0,0 +1,1588 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * jx_f37 driver + * + * Copyright (C) 2020 Rockchip Electronics Co., Ltd. + */ + +#define DEBUG +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x03) + +#ifndef V4L2_CID_DIGITAL_GAIN +#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN +#endif + +#define JX_F37_XVCLK_FREQ 24000000 + +#define JX_F37_LANES 1 + +#define CHIP_ID_H 0x0F +#define CHIP_ID_L 0x37 +#define JX_F37_PIDH_ADDR 0x0a +#define JX_F37_PIDL_ADDR 0x0b + +#define JX_F37_REG_CTRL_MODE 0x12 +#define JX_F37_MODE_SLEEP_MODE BIT(6) + + +#define JX_F37_MAX_SMPL_START 0x8f + +#define JX_F37_SHORT_EXPO_REG 0x05 /* Exposure Bits 8-15 */ + +#define JX_F37_LONG_EXPO_HIGH_REG 0x02 /* Exposure Bits 8-15 */ +#define JX_F37_LONG_EXPO_LOW_REG 0x01 /* Exposure Bits 0-7 */ +#define JX_F37_FETCH_HIGH_BYTE_EXP(VAL) (((VAL) >> 8) & 0xFF) /* 8-15 Bits */ +#define JX_F37_FETCH_LOW_BYTE_EXP(VAL) ((VAL) & 0xFF) /* 0-7 Bits */ +#define JX_F37_EXPOSURE_MIN 4 +#define JX_F37_EXPOSURE_STEP 1 +#define JX_F37_VTS_MAX 0xffff + +#define JX_F37_SMPL_START_S_REG 0x06 +#define JX_F37_SMPL_START_S_VAL 0x23 + +#define JX_F37_LONG_GAIN_REG 0x00 /* Bits 0 -7 */ +#define ANALOG_GAIN_MIN 0x00 +#define ANALOG_GAIN_MAX 0x3f +#define ANALOG_GAIN_STEP 1 +#define ANALOG_GAIN_DEFAULT 0x0 + +#define JX_F37_REG_HIGH_VTS 0x23 +#define JX_F37_REG_LOW_VTS 0X22 +#define JX_F37_FETCH_HIGH_BYTE_VTS(VAL) (((VAL) >> 8) & 0xFF) /* 8-15 Bits */ +#define JX_F37_FETCH_LOW_BYTE_VTS(VAL) ((VAL) & 0xFF) /* 0-7 Bits */ + +#define REG_NULL 0xFF +#define REG_DELAY 0xFE + +#define JX_F37_NAME "jx_f37" + +#define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode" + +#define USED_SYS_DEBUG + +static const char * const jx_f37_supply_names[] = { + "vcc2v8_dvp", /* Analog power */ + "vcc1v8_dvp", /* Digital I/O power */ +}; + +#define JX_F37_NUM_SUPPLIES ARRAY_SIZE(jx_f37_supply_names) + +struct regval { + u8 addr; + u8 val; +}; + +enum jx_f37_max_pad { + PAD0, /* link to isp */ + PAD1, /* link to csi wr0 | hdr x2:L x3:M */ + PAD2, /* link to csi wr1 | hdr x3:L */ + PAD3, /* link to csi wr2 | hdr x2:M x3:S */ + PAD_MAX, +}; + +struct jx_f37_mode { + 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 vc[PAD_MAX]; +}; + +struct jx_f37 { + struct i2c_client *client; + struct clk *xvclk; + struct gpio_desc *reset_gpio; + struct gpio_desc *pwdn_gpio; + struct regulator_bulk_data supplies[JX_F37_NUM_SUPPLIES]; + 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 mutex mutex; + bool streaming; + bool power_on; + const struct jx_f37_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; +}; + +#define to_jx_f37(sd) container_of(sd, struct jx_f37, subdev) + +static const struct regval jx_f37_1080p_linear_1lane_30fps[] = { + {0x12, 0x60}, + {0x48, 0x85}, + {0x48, 0x05}, + {0x0E, 0x11}, + {0x0F, 0x14}, + {0x10, 0x48}, + {0x11, 0x80}, + {0x0D, 0xF0}, + {0x5F, 0x41}, + {0x60, 0x20}, + {0x58, 0x12}, + {0x57, 0x60}, + {0x9D, 0x00}, + {0x20, 0x00}, + {0x21, 0x05}, + {0x22, 0x65}, + {0x23, 0x04}, + {0x24, 0xC0}, + {0x25, 0x38}, + {0x26, 0x43}, + {0x27, 0x9A}, + {0x28, 0x15}, + {0x29, 0x04}, + {0x2A, 0x8A}, + {0x2B, 0x14}, + {0x2C, 0x00}, + {0x2D, 0x00}, + {0x2E, 0x14}, + {0x2F, 0x44}, + {0x41, 0xC8}, + {0x42, 0x3B}, + {0x47, 0x42}, + {0x76, 0x60}, + {0x77, 0x09}, + {0x1D, 0x00}, + {0x1E, 0x04}, + {0x6C, 0x50}, + {0x6E, 0x2C}, + {0x70, 0xD0}, + {0x71, 0xD3}, + {0x72, 0xD4}, + {0x73, 0x58}, + {0x74, 0x02}, + {0x78, 0x96}, + {0x89, 0x01}, + {0x6B, 0x20}, + {0x86, 0x40}, + {0x31, 0x08}, + {0x32, 0x27}, + {0x33, 0x60}, + {0x34, 0x5E}, + {0x35, 0x5E}, + {0x3A, 0xAF}, + {0x3B, 0x00}, + {0x3C, 0x48}, + {0x3D, 0x5B}, + {0x3E, 0xFF}, + {0x3F, 0xA8}, + {0x40, 0xFF}, + {0x56, 0xB2}, + {0x59, 0x9E}, + {0x5A, 0x04}, + {0x85, 0x4D}, + {0x8A, 0x04}, + {0x91, 0x13}, + {0x9B, 0x03}, + {0x9C, 0xE1}, + {0xA9, 0x78}, + {0x5B, 0xB0}, + {0x5C, 0x71}, + {0x5D, 0x46}, + {0x5E, 0x14}, + {0x62, 0x01}, + {0x63, 0x0F}, + {0x64, 0xC0}, + {0x65, 0x02}, + {0x67, 0x65}, + {0x66, 0x04}, + {0x68, 0x00}, + {0x69, 0x7C}, + {0x6A, 0x12}, + {0x7A, 0x80}, + {0x82, 0x21}, + {0x8F, 0x91}, + {0xAE, 0x30}, + {0x13, 0x81}, + {0x96, 0x04}, + {0x4A, 0x05}, + {0x7E, 0xCD}, + {0x50, 0x02}, + {0x49, 0x10}, + {0xAF, 0x12}, + {0x80, 0x41}, + {0x7B, 0x4A}, + {0x7C, 0x08}, + {0x7F, 0x57}, + {0x90, 0x00}, + {0x8C, 0xFF}, + {0x8D, 0xC7}, + {0x8E, 0x00}, + {0x8B, 0x01}, + {0x0C, 0x00}, + {0x81, 0x74}, + {0x19, 0x20}, + {0x46, 0x00}, + {0x12, 0x20}, + {0x48, 0x85}, + {0x48, 0x05}, + {REG_NULL, 0x0}, +}; + +static const struct regval jx_f37_1080p_hdr_1lane_15fps[] = { + {0x12, 0x68}, + {0x48, 0x85}, + {0x48, 0x05}, + {0x0E, 0x11}, + {0x0F, 0x14}, + {0x10, 0x48}, + {0x11, 0x80}, + {0x0D, 0xF0}, + {0x5F, 0x41}, + {0x60, 0x20}, + {0x58, 0x12}, + {0x57, 0x60}, + {0x9D, 0x00}, + {0x20, 0x00}, + {0x21, 0x05}, + {0x22, 0xCA}, + {0x23, 0x08}, + {0x24, 0xC0}, + {0x25, 0x38}, + {0x26, 0x43}, + {0x27, 0x98}, + {0x28, 0x29}, + {0x29, 0x04}, + {0x2A, 0x8A}, + {0x2B, 0x14}, + {0x2C, 0x02}, + {0x2D, 0x00}, + {0x2E, 0x14}, + {0x2F, 0x44}, + {0x41, 0xC5}, + {0x42, 0x3B}, + {0x47, 0x42}, + {0x76, 0x60}, + {0x77, 0x09}, + {0x80, 0x41}, + {0xAF, 0x22}, + {0xAB, 0x00}, + {0x46, 0x14}, /* Short frame use the same gain as long frame */ + {0x1D, 0x00}, + {0x1E, 0x04}, + {0x6C, 0x50}, + {0x6E, 0x2C}, + {0x70, 0xD0}, + {0x71, 0xD3}, + {0x72, 0xD4}, + {0x73, 0x58}, + {0x74, 0x02}, + {0x78, 0x96}, + {0x89, 0x81}, + {0x6B, 0x20}, + {0x86, 0x40}, + {0x31, 0x08}, + {0x32, 0x27}, + {0x33, 0x60}, + {0x34, 0x5E}, + {0x35, 0x5E}, + {0x3A, 0xAF}, + {0x3B, 0x00}, + {0x3C, 0x48}, + {0x3D, 0x5B}, + {0x3E, 0xFF}, + {0x3F, 0xA8}, + {0x40, 0xFF}, + {0x56, 0xB2}, + {0x59, 0x9E}, + {0x5A, 0x04}, + {0x85, 0x4D}, + {0x8A, 0x04}, + {0x91, 0x13}, + {0x9B, 0x43}, + {0x9C, 0xE1}, + {0xA9, 0x78}, + {0x5B, 0xB0}, + {0x5C, 0x71}, + {0x5D, 0xF6}, + {0x5E, 0x14}, + {0x62, 0x01}, + {0x63, 0x0F}, + {0x64, 0xC0}, + {0x65, 0x02}, + {0x67, 0x65}, + {0x66, 0x04}, + {0x68, 0x00}, + {0x69, 0x7C}, + {0x6A, 0x12}, + {0x7A, 0x80}, + {0x82, 0x21}, + {0x8F, 0x91}, + {0xAE, 0x30}, + {0x13, 0x81}, + {0x96, 0x04}, + {0x4A, 0x05}, + {0x7E, 0xCD}, + {0x50, 0x02}, + {0x49, 0x10}, + {0xAF, 0x12}, + {0x7B, 0x4A}, + {0x7C, 0x08}, + {0x7F, 0x57}, + {0x90, 0x00}, + {0x8C, 0xFF}, + {0x8D, 0xC7}, + {0x8E, 0x00}, + {0x8B, 0x01}, + {0x0C, 0x00}, + {0x81, 0x74}, + {0x19, 0x20}, + {0x07, 0x03}, + {0x1B, 0x4F}, + {0x06, JX_F37_MAX_SMPL_START}, + {0x03, 0xFF}, + {0x04, 0xFF}, + {0x12, 0x28}, + {0x48, 0x85}, + {0x48, 0x05}, + {REG_NULL, 0x0}, +}; + +static const struct jx_f37_mode supported_modes[] = { + { + .width = 1920, + .height = 1080, + .max_fps = { + .numerator = 10000, + .denominator = 300000, + }, + .exp_def = 0x00ff, + .hts_def = 0x0500 * 2, + .vts_def = 0x0465, + .reg_list = jx_f37_1080p_linear_1lane_30fps, + .hdr_mode = NO_HDR, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, + }, + { + .width = 1920, + .height = 1080, + .max_fps = { + .numerator = 10000, + .denominator = 150000, + }, + .exp_def = 0x00ff, + .hts_def = 0x0500 * 2, + .vts_def = 0x08ca, + .reg_list = jx_f37_1080p_hdr_1lane_15fps, + .hdr_mode = HDR_X2, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_0,//L->csi wr0 + .vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_1, + .vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_1,//M->csi wr2 + }, +}; + +#define JX_F37_LINK_FREQ_432MHZ (432000000) +#define JX_F37_PIXEL_RATE (JX_F37_LINK_FREQ_432MHZ * 2 * JX_F37_LANES / 10) +static const s64 link_freq_menu_items[] = { + JX_F37_LINK_FREQ_432MHZ +}; + +/* Calculate the delay in us by clock rate and clock cycles */ +static inline u32 jx_f37_cal_delay(u32 cycles) +{ + return DIV_ROUND_UP(cycles, JX_F37_XVCLK_FREQ / 1000 / 1000); +} + +static int jx_f37_write_reg(struct i2c_client *client, u8 reg, u8 val) +{ + struct i2c_msg msg; + u8 buf[2]; + int ret; + + buf[0] = reg & 0xFF; + buf[1] = val; + + msg.addr = client->addr; + msg.flags = client->flags; + msg.buf = buf; + msg.len = sizeof(buf); + + ret = i2c_transfer(client->adapter, &msg, 1); + if (ret >= 0) { + //dev_dbg(&client->dev, + // "jx_f37 write reg(0x%x val:0x%x)\n", reg, val); + return 0; + } + + dev_err(&client->dev, + "jx_f37 write reg(0x%x val:0x%x) failed !\n", reg, val); + + return ret; +} + +static int jx_f37_write_array(struct i2c_client *client, + const struct regval *regs) +{ + u32 i, delay_us; + int ret = 0; + + for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) { + if (regs[i].addr == REG_DELAY) { + delay_us = jx_f37_cal_delay(500 * 1000); + usleep_range(delay_us, delay_us * 2); + } else { + ret = jx_f37_write_reg(client, + regs[i].addr, regs[i].val); + } + } + + return ret; +} + +static int jx_f37_read_reg(struct i2c_client *client, u8 reg, u8 *val) +{ + struct i2c_msg msg[2]; + u8 buf[1]; + int ret; + + buf[0] = reg & 0xFF; + + msg[0].addr = client->addr; + msg[0].flags = client->flags; + msg[0].buf = buf; + msg[0].len = sizeof(buf); + + msg[1].addr = client->addr; + msg[1].flags = client->flags | I2C_M_RD; + msg[1].buf = buf; + msg[1].len = 1; + + ret = i2c_transfer(client->adapter, msg, 2); + if (ret >= 0) { + *val = buf[0]; + return 0; + } + + dev_err(&client->dev, + "jx_f37 read reg:0x%x failed !\n", reg); + + return ret; +} + +static void jx_f37_update_cur_mode_locked(struct jx_f37 *jx_f37, + const struct jx_f37_mode *mode) +{ + s64 h_blank, vblank_def; + + jx_f37->cur_mode = mode; + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(jx_f37->hblank, h_blank, + h_blank, 1, h_blank); + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(jx_f37->vblank, vblank_def, + JX_F37_VTS_MAX - mode->height, + 1, vblank_def); +} + +static int jx_f37_set_hdr_mode_locked(struct jx_f37 *jx_f37, u32 hdr_mode) +{ + int i; + + /* + * found the first one that match hdr_mode, + * the fmt size shall hand over to .set_fmt. + */ + for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { + if (supported_modes[i].hdr_mode != hdr_mode) + continue; + jx_f37_update_cur_mode_locked(jx_f37, &supported_modes[i]); + return 0; + } + + return -EINVAL; +} + +#ifdef USED_SYS_DEBUG +static ssize_t set_hdr_mode(struct device *dev, struct device_attribute *attr, + const char *buf, size_t count) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct jx_f37 *jx_f37 = to_jx_f37(sd); + int status = 0; + int ret; + + mutex_lock(&jx_f37->mutex); + + ret = kstrtoint(buf, 0, &status); + if (!ret) { + ret = jx_f37_set_hdr_mode_locked(jx_f37, status); + if (ret) + dev_err(dev, "hdr_mode(%d) is not supported\n", status); + else + dev_info(dev, "Set hdr mode to: %d\n", status); + } + + mutex_unlock(&jx_f37->mutex); + + return count; +} + +static ssize_t show_hdr_mode(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct jx_f37 *jx_f37 = to_jx_f37(sd); + + return sprintf(buf, "%u\n", jx_f37->cur_mode->hdr_mode); +} + +static struct device_attribute attributes[] = { + __ATTR(cam_hdr_mode, 0600, show_hdr_mode, set_hdr_mode), +}; + +static int add_sysfs_interfaces(struct device *dev) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(attributes); i++) + if (device_create_file(dev, attributes + i)) + goto undo; + return 0; +undo: + for (i--; i >= 0 ; i--) + device_remove_file(dev, attributes + i); + dev_err(dev, "%s: failed to create sysfs interface\n", __func__); + return -ENODEV; +} +#endif + + +static int jx_f37_get_reso_dist(const struct jx_f37_mode *mode, + struct v4l2_mbus_framefmt *framefmt) +{ + return abs(mode->width - framefmt->width) + + abs(mode->height - framefmt->height); +} + +static const struct jx_f37_mode * +jx_f37_find_best_fit(struct jx_f37 *jx_f37, struct v4l2_subdev_format *fmt) +{ + struct v4l2_mbus_framefmt *framefmt = &fmt->format; + u32 cur_hdr_mode = jx_f37->cur_mode->hdr_mode; + 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++) { + /* Do not change the hdr_mode setting */ + if (supported_modes[i].hdr_mode != cur_hdr_mode) + continue; + dist = jx_f37_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 jx_f37_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + const struct jx_f37_mode *mode; + + mutex_lock(&jx_f37->mutex); + + mode = jx_f37_find_best_fit(jx_f37, fmt); + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + 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(&jx_f37->mutex); + return -ENOTTY; +#endif + } else { + jx_f37_update_cur_mode_locked(jx_f37, mode); + } + + mutex_unlock(&jx_f37->mutex); + + return 0; +} + +static int jx_f37_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + const struct jx_f37_mode *mode = jx_f37->cur_mode; + + mutex_lock(&jx_f37->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(&jx_f37->mutex); + return -ENOTTY; +#endif + } else { + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.code = MEDIA_BUS_FMT_SBGGR10_1X10; + 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(&jx_f37->mutex); + + return 0; +} + +static int jx_f37_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index != 0) + return -EINVAL; + code->code = MEDIA_BUS_FMT_SBGGR10_1X10; + + return 0; +} + +static int jx_f37_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 != MEDIA_BUS_FMT_SBGGR10_1X10) + 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 void jx_f37_get_module_inf(struct jx_f37 *jx_f37, + struct rkmodule_inf *inf) +{ + memset(inf, 0, sizeof(*inf)); + strlcpy(inf->base.sensor, JX_F37_NAME, sizeof(inf->base.sensor)); + strlcpy(inf->base.module, jx_f37->module_name, + sizeof(inf->base.module)); + strlcpy(inf->base.lens, jx_f37->len_name, sizeof(inf->base.lens)); +} + +static int jx_f37_set_hdrae(struct jx_f37 *jx_f37, + struct preisp_hdrae_exp_s *ae) +{ + struct i2c_client *client = jx_f37->client; + u32 fh, l_exp_max, l_exp_min, s_exp_max, s_exp_min; + u32 l_exp_time, m_exp_time, s_exp_time; + u32 l_a_gain, m_a_gain, s_a_gain; + int ret = 0; + + if (!jx_f37->has_init_exp && !jx_f37->streaming) { + jx_f37->init_hdrae_exp = *ae; + jx_f37->has_init_exp = true; + dev_dbg(&client->dev, "jx_f37 don't stream, record exp for hdr!\n"); + return ret; + } + + /* The frame height, vts, default value is: 0x08ca */ + fh = jx_f37->vblank->cur.val + jx_f37->cur_mode->height; + /* + * Restriction: + * Short / Long exp line shall be odd value. + * + * 0x00 <= Reg_saec1 * 2 < Smpl_Start_S * 2 - 3 + * 0x00 <= Reg_saec1 <= Smpl_Start_S - 3 + * + * 0x01 <= short_exp = Reg_saec1 * 2 + 1 <= Smpl_Start_S * 2 - 5 + * + * 0x01 <= long_exp < fh - Smpl_Start_S * 2 - 6 + * + * short_exp + long_exp < fh - 11 + */ + + l_exp_time = ae->long_exp_reg; + m_exp_time = ae->middle_exp_reg; + s_exp_time = ae->short_exp_reg; + l_a_gain = ae->long_gain_reg; + m_a_gain = ae->middle_gain_reg; + s_a_gain = ae->short_gain_reg; + dev_dbg(&client->dev, + "hdrae req: exp (0x%x, 0x%x, 0x%x), gain(0x%x: 0x%x, 0x%x)\n", + l_exp_time, m_exp_time, s_exp_time, + l_a_gain, m_a_gain, s_a_gain); + + if (jx_f37->cur_mode->hdr_mode == HDR_X2) { + //2 stagger + l_a_gain = m_a_gain; + l_exp_time = m_exp_time; + } + + //s_exp_time = clamp_val(s_exp_time, 1, MAX_SMPL_START * 2 - 3); + //smpl_start = (s_exp_time + 3) / 2; + //jx_f37_write_reg(client, 0xc0, JX_F37_SMPL_START_S_REG); + //jx_f37_write_reg(client, 0xc1, smpl_start); + + s_exp_min = 1; + s_exp_max = JX_F37_MAX_SMPL_START * 2 - 5; + s_exp_time = clamp_val(s_exp_time, s_exp_min, s_exp_max); + s_exp_time |= 0x1; + + jx_f37_write_reg(client, 0xc0, JX_F37_SHORT_EXPO_REG); + jx_f37_write_reg(client, 0xc1, (s_exp_time - 1) / 2); + + l_exp_min = 1; + l_exp_max = fh - JX_F37_MAX_SMPL_START * 2 - 6 - 1; /* Make it odd */ + l_exp_time = clamp_val(l_exp_time, l_exp_min, l_exp_max); + l_exp_time |= 0x1; + + jx_f37_write_reg(client, 0xc2, JX_F37_LONG_EXPO_HIGH_REG); + jx_f37_write_reg(client, 0xc3, JX_F37_FETCH_HIGH_BYTE_EXP(l_exp_time)); + jx_f37_write_reg(client, 0xc4, JX_F37_LONG_EXPO_LOW_REG); + jx_f37_write_reg(client, 0xc5, JX_F37_FETCH_LOW_BYTE_EXP(l_exp_time)); + + /* Short frame gain is ignored */ + jx_f37_write_reg(client, 0xc6, JX_F37_LONG_GAIN_REG); + jx_f37_write_reg(client, 0xc7, l_a_gain); + + /* Trigger group write function */ + jx_f37_write_reg(client, 0x1f, 0x80); + + dev_dbg(&client->dev, + "hdrae final: smpl_start: %d, exp (0x%x, 0x%x), gain(0x%x: 0x%x)\n" + " l_exp[%d, %d], s_exp[%d, %d], fh = %d\n", + JX_F37_MAX_SMPL_START, l_exp_time, s_exp_time, l_a_gain, s_a_gain, + l_exp_min, l_exp_max, s_exp_min, s_exp_max, fh); + + return ret; +} + +static long jx_f37_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + struct rkmodule_hdr_cfg *hdr; + u32 i, h, w; + long ret = 0; + + switch (cmd) { + case PREISP_CMD_SET_HDRAE_EXP: + ret = jx_f37_set_hdrae(jx_f37, arg); + break; + case RKMODULE_GET_MODULE_INFO: + jx_f37_get_module_inf(jx_f37, (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 = jx_f37->cur_mode->hdr_mode; + break; + case RKMODULE_SET_HDR_CFG: + hdr = (struct rkmodule_hdr_cfg *)arg; + w = jx_f37->cur_mode->width; + h = jx_f37->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) { + jx_f37_update_cur_mode_locked(jx_f37, &supported_modes[i]); + break; + } + } + if (i == ARRAY_SIZE(supported_modes)) { + dev_err(&jx_f37->client->dev, + "not find hdr mode:%d %dx%d config\n", + hdr->hdr_mode, w, h); + ret = -EINVAL; + } + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} + +#ifdef CONFIG_COMPAT +static long jx_f37_compat_ioctl32(struct v4l2_subdev *sd, + unsigned int cmd, unsigned long arg) +{ + void __user *up = compat_ptr(arg); + struct rkmodule_inf *inf; + long ret; + + switch (cmd) { + case RKMODULE_GET_MODULE_INFO: + inf = kzalloc(sizeof(*inf), GFP_KERNEL); + if (!inf) { + ret = -ENOMEM; + return ret; + } + + ret = jx_f37_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 = jx_f37_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; + } + + ret = copy_from_user(hdr, up, sizeof(*hdr)); + if (!ret) + ret = jx_f37_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 = jx_f37_ioctl(sd, cmd, hdrae); + else + ret = -EFAULT; + kfree(hdrae); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} +#endif + +static int jx_f37_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + const struct jx_f37_mode *mode = jx_f37->cur_mode; + + mutex_lock(&jx_f37->mutex); + fi->interval = mode->max_fps; + mutex_unlock(&jx_f37->mutex); + + return 0; +} + +static int jx_f37_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *config) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + const struct jx_f37_mode *mode = jx_f37->cur_mode; + u32 val = 0; + + if (mode->hdr_mode == NO_HDR) + val = 1 << (JX_F37_LANES - 1) | + V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; + else if (mode->hdr_mode == HDR_X2) + val = 1 << (JX_F37_LANES - 1) | + V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK | + V4L2_MBUS_CSI2_CHANNEL_1; + + config->type = V4L2_MBUS_CSI2; + config->flags = val; + + return 0; +} + +static int __jx_f37_start_stream(struct jx_f37 *jx_f37) +{ + int ret; + + ret = jx_f37_write_array(jx_f37->client, jx_f37->cur_mode->reg_list); + if (ret) + return ret; + + /* In case these controls are set before streaming */ + + mutex_unlock(&jx_f37->mutex); + ret = v4l2_ctrl_handler_setup(&jx_f37->ctrl_handler); + mutex_lock(&jx_f37->mutex); + if (ret) + return ret; + + if (jx_f37->has_init_exp && jx_f37->cur_mode->hdr_mode != NO_HDR) { + ret = jx_f37_ioctl(&jx_f37->subdev, PREISP_CMD_SET_HDRAE_EXP, + &jx_f37->init_hdrae_exp); + if (ret) { + dev_err(&jx_f37->client->dev, + "init exp fail in hdr mode\n"); + return ret; + } + jx_f37->has_init_exp = false; + } + + return 0; +} + +static int __jx_f37_stop_stream(struct jx_f37 *jx_f37) +{ + int ret; + u8 val; + + ret = jx_f37_read_reg(jx_f37->client, JX_F37_REG_CTRL_MODE, &val); + if (ret) { + dev_err(&jx_f37->client->dev, "%s: read reg failed, %d\n", + __func__, ret); + return ret; + } + return jx_f37_write_reg(jx_f37->client, JX_F37_REG_CTRL_MODE, + val | JX_F37_MODE_SLEEP_MODE); +} + +static int jx_f37_s_stream(struct v4l2_subdev *sd, int on) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + struct i2c_client *client = jx_f37->client; + int ret = 0; + + mutex_lock(&jx_f37->mutex); + on = !!on; + if (on == jx_f37->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 = __jx_f37_start_stream(jx_f37); + if (ret) { + v4l2_err(sd, "start stream failed while write regs\n"); + pm_runtime_put(&client->dev); + goto unlock_and_return; + } + dev_info(&client->dev, "hdr_mode %d\n", jx_f37->cur_mode->hdr_mode); + } else { + __jx_f37_stop_stream(jx_f37); + pm_runtime_put(&client->dev); + } + + jx_f37->streaming = on; + +unlock_and_return: + mutex_unlock(&jx_f37->mutex); + + return ret; +} + +static int jx_f37_s_power(struct v4l2_subdev *sd, int on) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + struct i2c_client *client = jx_f37->client; + int ret = 0; + + mutex_lock(&jx_f37->mutex); + + /* If the power state is not modified - no work to do. */ + if (jx_f37->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; + } + + /* + * Enter sleep state to make sure not mipi output + * during rkisp init. + */ + __jx_f37_stop_stream(jx_f37); + jx_f37->power_on = true; + } else { + pm_runtime_put(&client->dev); + jx_f37->power_on = false; + } + +unlock_and_return: + mutex_unlock(&jx_f37->mutex); + + return ret; +} + +static int __jx_f37_power_on(struct jx_f37 *jx_f37) +{ + int ret; + u32 delay_us; + struct device *dev = &jx_f37->client->dev; + + ret = clk_set_rate(jx_f37->xvclk, JX_F37_XVCLK_FREQ); + if (ret < 0) { + dev_err(dev, "Failed to set xvclk rate (24MHz)\n"); + return ret; + } + if (clk_get_rate(jx_f37->xvclk) != JX_F37_XVCLK_FREQ) + dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); + ret = clk_prepare_enable(jx_f37->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + + if (!IS_ERR(jx_f37->reset_gpio)) + gpiod_set_value_cansleep(jx_f37->reset_gpio, 1); + + ret = regulator_bulk_enable(JX_F37_NUM_SUPPLIES, jx_f37->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators\n"); + goto disable_clk; + } + + /* According to datasheet, at least 10ms for reset duration */ + usleep_range(10 * 1000, 15 * 1000); + + if (!IS_ERR(jx_f37->reset_gpio)) + gpiod_set_value_cansleep(jx_f37->reset_gpio, 0); + + if (!IS_ERR(jx_f37->pwdn_gpio)) + gpiod_set_value_cansleep(jx_f37->pwdn_gpio, 0); + + /* 8192 cycles prior to first SCCB transaction */ + delay_us = jx_f37_cal_delay(8192); + usleep_range(delay_us, delay_us * 2); + + return 0; + +disable_clk: + clk_disable_unprepare(jx_f37->xvclk); + + return ret; +} + +static void __jx_f37_power_off(struct jx_f37 *jx_f37) +{ + if (!IS_ERR(jx_f37->pwdn_gpio)) + gpiod_set_value_cansleep(jx_f37->pwdn_gpio, 1); + clk_disable_unprepare(jx_f37->xvclk); + if (!IS_ERR(jx_f37->reset_gpio)) + gpiod_set_value_cansleep(jx_f37->reset_gpio, 1); + regulator_bulk_disable(JX_F37_NUM_SUPPLIES, jx_f37->supplies); +} + +static int jx_f37_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct jx_f37 *jx_f37 = to_jx_f37(sd); + + return __jx_f37_power_on(jx_f37); +} + +static int jx_f37_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct jx_f37 *jx_f37 = to_jx_f37(sd); + + __jx_f37_power_off(jx_f37); + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static int jx_f37_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct jx_f37 *jx_f37 = to_jx_f37(sd); + struct v4l2_mbus_framefmt *try_fmt = + v4l2_subdev_get_try_format(sd, fh->pad, 0); + const struct jx_f37_mode *def_mode = &supported_modes[0]; + + mutex_lock(&jx_f37->mutex); + /* Initialize try_fmt */ + try_fmt->width = def_mode->width; + try_fmt->height = def_mode->height; + try_fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10; + try_fmt->field = V4L2_FIELD_NONE; + + mutex_unlock(&jx_f37->mutex); + /* No crop or compose */ + + return 0; +} +#endif + +static int jx_f37_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].MEDIA_BUS_FMT_SBGGR10_1X10; + fie->width = ov2718->support_modes[fie->index].width; + fie->height = ov2718->support_modes[fie->index].height; + fie->interval = ov2718->support_modes[fie->index].max_fps; + fie->reserved[0] = supported_modes[fie->index].hdr_mode; + + return 0; +} + +static const struct dev_pm_ops jx_f37_pm_ops = { + SET_RUNTIME_PM_OPS(jx_f37_runtime_suspend, + jx_f37_runtime_resume, NULL) +}; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static const struct v4l2_subdev_internal_ops jx_f37_internal_ops = { + .open = jx_f37_open, +}; +#endif + +static const struct v4l2_subdev_core_ops jx_f37_core_ops = { + .s_power = jx_f37_s_power, + .ioctl = jx_f37_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl32 = jx_f37_compat_ioctl32, +#endif +}; + +static const struct v4l2_subdev_video_ops jx_f37_video_ops = { + .s_stream = jx_f37_s_stream, + .g_frame_interval = jx_f37_g_frame_interval, + .g_mbus_config = jx_f37_g_mbus_config, +}; + +static const struct v4l2_subdev_pad_ops jx_f37_pad_ops = { + .enum_mbus_code = jx_f37_enum_mbus_code, + .enum_frame_size = jx_f37_enum_frame_sizes, + .enum_frame_interval = jx_f37_enum_frame_interval, + .get_fmt = jx_f37_get_fmt, + .set_fmt = jx_f37_set_fmt, +}; + +static const struct v4l2_subdev_ops jx_f37_subdev_ops = { + .core = &jx_f37_core_ops, + .video = &jx_f37_video_ops, + .pad = &jx_f37_pad_ops, +}; + +static int jx_f37_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct jx_f37 *jx_f37 = container_of(ctrl->handler, + struct jx_f37, ctrl_handler); + struct i2c_client *client = jx_f37->client; + s64 max; + int ret = 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 = jx_f37->cur_mode->height + ctrl->val; + __v4l2_ctrl_modify_range(jx_f37->exposure, + jx_f37->exposure->minimum, max, + jx_f37->exposure->step, + jx_f37->exposure->default_value); + break; + } + + if (pm_runtime_get(&client->dev) <= 0) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + dev_dbg(&client->dev, "set expo: val: %d\n", ctrl->val); + /* 4 least significant bits of expsoure are fractional part */ + ret = jx_f37_write_reg(jx_f37->client, + JX_F37_LONG_EXPO_HIGH_REG, + JX_F37_FETCH_HIGH_BYTE_EXP(ctrl->val)); + ret |= jx_f37_write_reg(jx_f37->client, + JX_F37_LONG_EXPO_LOW_REG, + JX_F37_FETCH_LOW_BYTE_EXP(ctrl->val)); + break; + case V4L2_CID_ANALOGUE_GAIN: + dev_dbg(&client->dev, "set a-gain: val: %d\n", ctrl->val); + ret |= jx_f37_write_reg(jx_f37->client, + JX_F37_LONG_GAIN_REG, ctrl->val); + break; + case V4L2_CID_DIGITAL_GAIN: + break; + case V4L2_CID_VBLANK: + dev_dbg(&client->dev, "set vblank: val: %d\n", ctrl->val); + ret |= jx_f37_write_reg(jx_f37->client, JX_F37_REG_HIGH_VTS, + JX_F37_FETCH_HIGH_BYTE_VTS((ctrl->val + jx_f37->cur_mode->height))); + ret |= jx_f37_write_reg(jx_f37->client, JX_F37_REG_LOW_VTS, + JX_F37_FETCH_LOW_BYTE_VTS((ctrl->val + jx_f37->cur_mode->height))); + 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 jx_f37_ctrl_ops = { + .s_ctrl = jx_f37_set_ctrl, +}; + +static int jx_f37_initialize_controls(struct jx_f37 *jx_f37) +{ + const struct jx_f37_mode *mode; + struct v4l2_ctrl_handler *handler; + struct v4l2_ctrl *ctrl; + s64 exposure_max, vblank_def; + u32 h_blank; + int ret; + + handler = &jx_f37->ctrl_handler; + mode = jx_f37->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 8); + if (ret) + return ret; + handler->lock = &jx_f37->mutex; + + ctrl = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ, + 0, 0, link_freq_menu_items); + if (ctrl) + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE, + 0, JX_F37_PIXEL_RATE, 1, JX_F37_PIXEL_RATE); + + h_blank = mode->hts_def - mode->width; + jx_f37->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (jx_f37->hblank) + jx_f37->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + vblank_def = mode->vts_def - mode->height; + jx_f37->vblank = v4l2_ctrl_new_std(handler, &jx_f37_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + JX_F37_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = mode->vts_def; + jx_f37->exposure = v4l2_ctrl_new_std(handler, &jx_f37_ctrl_ops, + V4L2_CID_EXPOSURE, JX_F37_EXPOSURE_MIN, + exposure_max, JX_F37_EXPOSURE_STEP, + mode->exp_def); + + jx_f37->anal_gain = v4l2_ctrl_new_std(handler, &jx_f37_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN, + ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, + ANALOG_GAIN_DEFAULT); + + if (handler->error) { + ret = handler->error; + dev_err(&jx_f37->client->dev, + "Failed to init controls(%d)\n", ret); + goto err_free_handler; + } + + jx_f37->subdev.ctrl_handler = handler; + + return 0; + +err_free_handler: + v4l2_ctrl_handler_free(handler); + + return ret; +} + +static int jx_f37_check_sensor_id(struct jx_f37 *jx_f37, + struct i2c_client *client) +{ + struct device *dev = &jx_f37->client->dev; + u8 id_h = 0; + u8 id_l = 0; + int ret; + + ret = jx_f37_read_reg(client, JX_F37_PIDH_ADDR, &id_h); + ret |= jx_f37_read_reg(client, JX_F37_PIDL_ADDR, &id_l); + if (id_h != CHIP_ID_H && id_l != CHIP_ID_L) { + dev_err(dev, "Wrong camera sensor id(0x%02x%02x)\n", + id_h, id_l); + return -EINVAL; + } + + dev_info(dev, "Detected jx_f37 (0x%02x%02x) sensor\n", + id_h, id_l); + + return ret; +} + +static int jx_f37_configure_regulators(struct jx_f37 *jx_f37) +{ + unsigned int i; + + for (i = 0; i < JX_F37_NUM_SUPPLIES; i++) + jx_f37->supplies[i].supply = jx_f37_supply_names[i]; + + return devm_regulator_bulk_get(&jx_f37->client->dev, + JX_F37_NUM_SUPPLIES, + jx_f37->supplies); +} + +static int jx_f37_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; + struct jx_f37 *jx_f37; + struct v4l2_subdev *sd; + char facing[2]; + u32 hdr_mode; + int ret; + + dev_info(dev, "driver version: %02x.%02x.%02x", + DRIVER_VERSION >> 16, + (DRIVER_VERSION & 0xff00) >> 8, + DRIVER_VERSION & 0x00ff); + + jx_f37 = devm_kzalloc(dev, sizeof(*jx_f37), GFP_KERNEL); + if (!jx_f37) + return -ENOMEM; + + ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, + &jx_f37->module_index); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, + &jx_f37->module_facing); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, + &jx_f37->module_name); + ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, + &jx_f37->len_name); + if (ret) { + dev_err(dev, "could not get module information!\n"); + return -EINVAL; + } + + jx_f37->client = client; + + ret = of_property_read_u32(node, OF_CAMERA_HDR_MODE, &hdr_mode); + if (ret || (jx_f37_set_hdr_mode_locked(jx_f37, hdr_mode))) { + jx_f37->cur_mode = &supported_modes[0]; + dev_warn(dev, "Bad dts hdr_mode value! Use default mode\n"); + } + + jx_f37->xvclk = devm_clk_get(dev, "xvclk"); + if (IS_ERR(jx_f37->xvclk)) { + dev_err(dev, "Failed to get xvclk\n"); + return -EINVAL; + } + + jx_f37->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(jx_f37->reset_gpio)) + dev_warn(dev, "Failed to get reset-gpios\n"); + + jx_f37->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW); + if (IS_ERR(jx_f37->pwdn_gpio)) + dev_warn(dev, "Failed to get pwdn-gpios\n"); + + ret = jx_f37_configure_regulators(jx_f37); + if (ret) { + dev_err(dev, "Failed to get power regulators\n"); + return ret; + } + + mutex_init(&jx_f37->mutex); + + sd = &jx_f37->subdev; + v4l2_i2c_subdev_init(sd, client, &jx_f37_subdev_ops); + ret = jx_f37_initialize_controls(jx_f37); + if (ret) + goto err_destroy_mutex; + + ret = __jx_f37_power_on(jx_f37); + if (ret) + goto err_free_handler; + + ret = jx_f37_check_sensor_id(jx_f37, client); + if (ret) + goto err_power_off; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + sd->internal_ops = &jx_f37_internal_ops; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; +#endif +#if defined(CONFIG_MEDIA_CONTROLLER) + jx_f37->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &jx_f37->pad); + if (ret < 0) + goto err_power_off; +#endif + + memset(facing, 0, sizeof(facing)); + if (strcmp(jx_f37->module_facing, "back") == 0) + facing[0] = 'b'; + else + facing[0] = 'f'; + + snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", + jx_f37->module_index, facing, + JX_F37_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); + +#ifdef USED_SYS_DEBUG + add_sysfs_interfaces(dev); +#endif + dev_info(dev, "probe successful\n"); + + return 0; + +err_clean_entity: +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif +err_power_off: + __jx_f37_power_off(jx_f37); +err_free_handler: + v4l2_ctrl_handler_free(&jx_f37->ctrl_handler); +err_destroy_mutex: + mutex_destroy(&jx_f37->mutex); + + dev_err(dev, "probe failed\n"); + + return ret; +} + +static int jx_f37_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct jx_f37 *jx_f37 = to_jx_f37(sd); + + v4l2_async_unregister_subdev(sd); +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif + v4l2_ctrl_handler_free(&jx_f37->ctrl_handler); + mutex_destroy(&jx_f37->mutex); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + __jx_f37_power_off(jx_f37); + pm_runtime_set_suspended(&client->dev); + + return 0; +} + +#if IS_ENABLED(CONFIG_OF) +static const struct of_device_id jx_f37_of_match[] = { + { .compatible = "soi,jx_f37" }, + {}, +}; +MODULE_DEVICE_TABLE(of, jx_f37_of_match); +#endif + +static const struct i2c_device_id jx_f37_match_id[] = { + { "soi,jx_f37", 0 }, + { }, +}; + +static struct i2c_driver jx_f37_i2c_driver = { + .driver = { + .name = JX_F37_NAME, + .pm = &jx_f37_pm_ops, + .of_match_table = of_match_ptr(jx_f37_of_match), + }, + .probe = &jx_f37_probe, + .remove = &jx_f37_remove, + .id_table = jx_f37_match_id, +}; + +static int __init sensor_mod_init(void) +{ + return i2c_add_driver(&jx_f37_i2c_driver); +} + +static void __exit sensor_mod_exit(void) +{ + i2c_del_driver(&jx_f37_i2c_driver); +} + +device_initcall_sync(sensor_mod_init); +module_exit(sensor_mod_exit); + +MODULE_DESCRIPTION("SOI jx_f37 sensor driver"); +MODULE_LICENSE("GPL v2");