diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index 323207b10f43..d299d0a7604e 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -1408,6 +1408,15 @@ config VIDEO_JX_K17 To compile this driver as a module, choose M here: the module will be called jx_k17. +config VIDEO_OG01A10 + tristate "OmniVision OG01A10 sensor support" + depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on MEDIA_CAMERA_SUPPORT + select V4L2_FWNODE + help + This is a Video4Linux2 sensor driver for the OmniVision + OG01A10 camera. + config VIDEO_OG02B10 tristate "OmniVision OG02B10 sensor support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index ae89654d9961..bead6bbab06c 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -76,6 +76,7 @@ obj-$(CONFIG_VIDEO_VP27SMPX) += vp27smpx.o obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o obj-$(CONFIG_VIDEO_UPD64031A) += upd64031a.o obj-$(CONFIG_VIDEO_UPD64083) += upd64083.o +obj-$(CONFIG_VIDEO_OG01A10) += og01a10.o obj-$(CONFIG_VIDEO_OG02B10) += og02b10.o obj-$(CONFIG_VIDEO_OS02G10) += os02g10.o obj-$(CONFIG_VIDEO_OS02K10) += os02k10.o diff --git a/drivers/media/i2c/og01a10.c b/drivers/media/i2c/og01a10.c new file mode 100644 index 000000000000..1f5d73c17f14 --- /dev/null +++ b/drivers/media/i2c/og01a10.c @@ -0,0 +1,1437 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * og01a10 driver + * + * Copyright (C) 2023 Rockchip Electronics Co., Ltd. + * V0.1.0: MIPI is ok. + * V0.0X01.0X02 fix mclk issue when probe multiple camera. + * V0.0X01.0X03 add enum_frame_interval function. + * V0.0X01.0X04 add quick stream on/off + * V0.0X01.0X05 add function g_mbus_config + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x05) +#ifndef V4L2_CID_DIGITAL_GAIN +#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN +#endif + +#define MIPI_FREQ_600M 600000000 + +#define OG01A10_PIXEL_RATE (MIPI_FREQ_600M * 2 / 10 * 2) +#define OG01A10_XVCLK_FREQ 24000000 + +#define CHIP_ID 0x4701 +#define OG01A10_REG_CHIP_ID 0x300a + +#define OG01A10_REG_CTRL_MODE 0x0100 +#define OG01A10_MODE_SW_STANDBY 0x0 +#define OG01A10_MODE_STREAMING BIT(0) + +#define OG01A10_REG_EXPOSURE 0x3501 +#define OG01A10_EXPOSURE_MIN 1 +#define OG01A10_EXPOSURE_STEP 1 +#define OG01A10_VTS_MAX 0xffff + +#define OG01A10_REG_AGAIN 0x3508 +#define OG01A10_REG_DGAIN 0x350A +#define ANALOG_GAIN_MIN 0x100 +#define ANALOG_GAIN_MAX 0xE880 //0X100*15.5*15 +#define ANALOG_GAIN_STEP 1 +#define ANALOG_GAIN_DEFAULT 0x400 + +#define OG01A10_REG_TEST_PATTERN 0x5100 +#define OG01A10_TEST_PATTERN_ENABLE 0x80 +#define OG01A10_TEST_PATTERN_DISABLE 0x00 + +#define OG01A10_REG_VTS 0x320e + +#define REG_NULL 0xFFFF + +#define OG01A10_REG_VALUE_08BIT 1 +#define OG01A10_REG_VALUE_16BIT 2 +#define OG01A10_REG_VALUE_24BIT 3 + +#define OG01A10_NAME "og01a10" + +#define PIX_FORMAT MEDIA_BUS_FMT_SRGGB10_1X10 + +#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default" +#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep" + +#define OG01A10_LANES 2 +#define OG01A10_BITS_PER_SAMPLE 10 + +static const char * const og01a10_supply_names[] = { + "avdd", /* Analog power */ + "dovdd", /* Digital I/O power */ + "dvdd", /* Digital core power */ +}; + +#define OG01A10_NUM_SUPPLIES ARRAY_SIZE(og01a10_supply_names) + +struct regval { + u16 addr; + u8 val; +}; + +struct og01a10_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 og01a10 { + struct i2c_client *client; + struct clk *xvclk; + struct gpio_desc *pwdn_gpio; + struct gpio_desc *reset_gpio; + struct regulator_bulk_data supplies[OG01A10_NUM_SUPPLIES]; + struct pinctrl *pinctrl; + struct pinctrl_state *pins_default; + struct pinctrl_state *pins_sleep; + struct v4l2_subdev subdev; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *anal_gain; + struct v4l2_ctrl *digi_gain; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *test_pattern; + struct mutex mutex; + bool streaming; + bool power_on; + const struct og01a10_mode *cur_mode; + u32 module_index; + const char *module_facing; + const char *module_name; + const char *len_name; +}; + +#define to_og01a10(sd) container_of(sd, struct og01a10, subdev) + +/* + * Xclk 24Mhz + * Pclk 120Mhz + * linelength 1696(0x06a0) + * framelength 2832(0x0b10) + * grabwindow_width 1280 + * grabwindow_height 1024 + * mipi 2 lane + * max_framerate 25fps + * mipi_datarate per lane 1000Mbps + */ +static const struct regval og01a10_global_regs[] = { + {0x0103, 0x01}, + {0x0100, 0x00}, + {0x0300, 0x0a}, + {0x0301, 0x29}, + {0x0302, 0x31}, + {0x0303, 0x04}, + {0x0304, 0x00}, + {0x0305, 0xfa}, + {0x0306, 0x00}, + {0x0307, 0x01}, + {0x0308, 0x02}, + {0x0309, 0x00}, + {0x0310, 0x00}, + {0x0311, 0x00}, + {0x0312, 0x07}, + {0x0313, 0x00}, + {0x0314, 0x00}, + {0x0315, 0x00}, + {0x0320, 0x02}, + {0x0321, 0x01}, + {0x0322, 0x01}, + {0x0323, 0x04}, + {0x0324, 0x01}, + {0x0325, 0xc2}, + {0x0326, 0xce}, + {0x0327, 0x04}, + {0x0329, 0x02}, + {0x032a, 0x04}, + {0x032b, 0x04}, + {0x032c, 0x02}, + {0x032d, 0x01}, + {0x032e, 0x00}, + {0x300d, 0x02}, + {0x300e, 0x04}, + {0x3021, 0x08}, + {0x301e, 0x03}, + {0x3103, 0x00}, + {0x3106, 0x08}, + {0x3107, 0x40}, + {0x3216, 0x01}, + {0x3217, 0x00}, + {0x3218, 0xc0}, + {0x3219, 0x55}, + {0x3500, 0x00}, + {0x3501, 0x01}, + {0x3502, 0x8a}, + {0x3506, 0x01}, + {0x3507, 0x72}, + {0x3508, 0x04}, + {0x3509, 0x00}, + {0x350a, 0x01}, + {0x350b, 0x00}, + {0x350c, 0x00}, + {0x3541, 0x00}, + {0x3542, 0x40}, + {0x3605, 0xe0}, + {0x3606, 0x41}, + {0x3614, 0x20}, + {0x3620, 0x0b}, + {0x3630, 0x07}, + {0x3636, 0xa0}, + {0x3637, 0xf9}, + {0x3638, 0x09}, + {0x3639, 0x38}, + {0x363f, 0x09}, + {0x3640, 0x17}, + {0x3662, 0x04}, + {0x3665, 0x80}, + {0x3670, 0x68}, + {0x3674, 0x00}, + {0x3677, 0x3f}, + {0x3679, 0x00}, + {0x369f, 0x19}, + {0x36a0, 0x03}, + {0x36a2, 0x19}, + {0x36a3, 0x03}, + {0x370d, 0x66}, + {0x370f, 0x00}, + {0x3710, 0x03}, + {0x3715, 0x03}, + {0x3716, 0x03}, + {0x3717, 0x06}, + {0x3733, 0x00}, + {0x3778, 0x00}, + {0x37a8, 0x0f}, + {0x37a9, 0x01}, + {0x37aa, 0x07}, + {0x37bd, 0x1c}, + {0x37c1, 0x2f}, + {0x37c3, 0x09}, + {0x37c8, 0x1d}, + {0x37ca, 0x30}, + {0x37df, 0x00}, + {0x3800, 0x00}, + {0x3801, 0x00}, + {0x3802, 0x00}, + {0x3803, 0x00}, + {0x3804, 0x05}, + {0x3805, 0x0f}, + {0x3806, 0x04}, + {0x3807, 0x0f}, + {0x3808, 0x05}, + {0x3809, 0x00}, + {0x380a, 0x04}, + {0x380b, 0x00}, + {0x380c, 0x06}, + {0x380d, 0xa0}, + {0x380e, 0x0b}, + {0x380f, 0x10}, + {0x3810, 0x00}, + {0x3811, 0x08}, + {0x3812, 0x00}, + {0x3813, 0x08}, + {0x3814, 0x11}, + {0x3815, 0x11}, + {0x3820, 0x44}, + {0x3821, 0x04}, + {0x3826, 0x00}, + {0x3827, 0x00}, + {0x382a, 0x08}, + {0x382b, 0x52}, + {0x382d, 0xba}, + {0x383d, 0x14}, + {0x384a, 0xa2}, + {0x3866, 0x0e}, + {0x3867, 0x07}, + {0x3884, 0x00}, + {0x3885, 0x08}, + {0x3893, 0x68}, + {0x3894, 0x2a}, + {0x3898, 0x00}, + {0x3899, 0x31}, + {0x389a, 0x04}, + {0x389b, 0x00}, + {0x389c, 0x0b}, + {0x389d, 0xad}, + {0x389f, 0x08}, + {0x38a0, 0x00}, + {0x38a1, 0x00}, + {0x38a8, 0x70}, + {0x38ac, 0xea}, + {0x38b2, 0x00}, + {0x38b3, 0x08}, + {0x38bc, 0x20}, + {0x38c4, 0x0c}, + {0x38c5, 0x3a}, + {0x38c7, 0x3a}, + {0x38e1, 0xc0}, + {0x38ec, 0x3c}, + {0x38f0, 0x09}, + {0x38f1, 0x6f}, + {0x38fe, 0x3c}, + {0x391e, 0x01}, + {0x391f, 0x00}, + {0x3920, 0xff}, + {0x3921, 0x00}, + {0x3922, 0x00}, + {0x3923, 0x00}, + {0x3924, 0x05}, + {0x3925, 0x00}, + {0x3926, 0x00}, + {0x3927, 0x00}, + {0x3928, 0x1a}, + {0x3929, 0x01}, + {0x392a, 0xb4}, + {0x392b, 0x00}, + {0x392c, 0x10}, + {0x392f, 0x40}, + {0x4000, 0xcf}, + {0x4003, 0x40}, + {0x4008, 0x00}, + {0x4009, 0x07}, + {0x400a, 0x02}, + {0x400b, 0x54}, + {0x400c, 0x00}, + {0x400d, 0x07}, + {0x4010, 0xc0}, + {0x4012, 0x02}, + {0x4014, 0x04}, + {0x4015, 0x04}, + {0x4017, 0x02}, + {0x4042, 0x01}, + {0x4306, 0x04}, + {0x4307, 0x12}, + {0x4509, 0x00}, + {0x450b, 0x83}, + {0x4604, 0x68}, + {0x4608, 0x0a}, + {0x4700, 0x06}, + {0x4800, 0x64}, + {0x481b, 0x3c}, + {0x4825, 0x32}, + {0x4833, 0x18}, + {0x4837, 0x10}, + {0x4850, 0x40}, + {0x4860, 0x00}, + {0x4861, 0xec}, + {0x4864, 0x00}, + {0x4883, 0x00}, + {0x4888, 0x90}, + {0x4889, 0x05}, + {0x488b, 0x04}, + {0x4f00, 0x04}, + {0x4f10, 0x04}, + {0x4f21, 0x01}, + {0x4f22, 0x40}, + {0x4f23, 0x44}, + {0x4f24, 0x51}, + {0x4f25, 0x41}, + {0x5000, 0x1f}, + {0x500a, 0x00}, + {0x5100, 0x00}, + {0x5111, 0x20}, + {0x3020, 0x20}, + {0x3613, 0x03}, + {0x38c9, 0x02}, + {0x5304, 0x01}, + {0x3620, 0x08}, + {0x3639, 0x58}, + {0x363a, 0x10}, + {0x3674, 0x04}, + {0x3780, 0xff}, + {0x3781, 0xff}, + {0x3782, 0x00}, + {0x3783, 0x01}, + {0x3798, 0xa3}, + {0x37aa, 0x10}, + {0x38a8, 0xf0}, + {0x38c4, 0x09}, + {0x38c5, 0xb0}, + {0x38df, 0x80}, + {0x38ff, 0x05}, + {0x4010, 0xf1}, + {0x4011, 0x70}, + {0x3667, 0x80}, + {0x4d00, 0x4a}, + {0x4d01, 0x18}, + {0x4d02, 0xbb}, + {0x4d03, 0xde}, + {0x4d04, 0x93}, + {0x4d05, 0xff}, + {0x4d09, 0x0a}, + {0x4f22, 0x00}, + {0x37aa, 0x16}, + {0x3606, 0x42}, + {0x3605, 0x00}, + {0x36a2, 0x17}, + {0x300d, 0x0a}, + {0x4d00, 0x4d}, + {0x4d01, 0x95}, + {0x3d8C, 0x70}, + {0x3d8d, 0xE9}, + {0x5300, 0x00}, + {0x5301, 0x10}, + {0x5302, 0x00}, + {0x5303, 0xE3}, + {0x3d88, 0x00}, + {0x3d89, 0x10}, + {0x3d8a, 0x00}, + {0x3d8b, 0xE3}, + {REG_NULL, 0x00}, +}; + +static const struct og01a10_mode supported_modes[] = { + { + .width = 1280, + .height = 1024, + .max_fps = { + .numerator = 10000, + .denominator = 250000, + }, + .exp_def = 0x0b00, + .hts_def = 0x06a0, + .vts_def = 0x0b10, + .reg_list = og01a10_global_regs, + .hdr_mode = NO_HDR, + .vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0, + }, +}; + +static const char * const og01a10_test_pattern_menu[] = { + "Disabled", + "Vertical Color Bar Type 1", + "Vertical Color Bar Type 2", + "Vertical Color Bar Type 3", + "Vertical Color Bar Type 4" +}; + +#define OG01A10_LINK_FREQ_240MHZ (240 * 1000 * 1000) + +static const s64 link_freq_menu_items[] = { + OG01A10_LINK_FREQ_240MHZ +}; + +/* Write registers up to 4 at a time */ +static int og01a10_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; + u32 ret; + + 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++]; + + ret = i2c_master_send(client, buf, len + 2); + if (ret != len + 2) + return -EIO; + + return 0; +} + +static int og01a10_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 = og01a10_write_reg(client, regs[i].addr, + OG01A10_REG_VALUE_08BIT, regs[i].val); + } + + return ret; +} + +/* Read registers up to 4 at a time */ +static int og01a10_read_reg(struct i2c_client *client, + u16 reg, unsigned int len, u32 *val) +{ + struct i2c_msg msgs[2]; + u8 *data_be_p; + __be32 data_be = 0; + __be16 reg_addr_be = cpu_to_be16(reg); + int ret; + + if (len > 4 || !len) + return -EINVAL; + + data_be_p = (u8 *)&data_be; + /* Write register address */ + msgs[0].addr = client->addr; + msgs[0].flags = 0; + msgs[0].len = 2; + msgs[0].buf = (u8 *)®_addr_be; + + /* Read data from register */ + msgs[1].addr = client->addr; + msgs[1].flags = I2C_M_RD; + msgs[1].len = len; + msgs[1].buf = &data_be_p[4 - len]; + + ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); + if (ret != ARRAY_SIZE(msgs)) + return -EIO; + + *val = be32_to_cpu(data_be); + + return 0; +} + +static int og01a10_get_reso_dist(const struct og01a10_mode *mode, + struct v4l2_mbus_framefmt *framefmt) +{ + return abs(mode->width - framefmt->width) + + abs(mode->height - framefmt->height); +} + +static const struct og01a10_mode * + og01a10_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 = og01a10_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 og01a10_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + const struct og01a10_mode *mode; + s64 h_blank, vblank_def; + u64 dst_link_freq = 0; + u64 dst_pixel_rate = 0; + + mutex_lock(&og01a10->mutex); + + mode = og01a10_find_best_fit(fmt); + fmt->format.code = PIX_FORMAT; + 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(&og01a10->mutex); + return -ENOTTY; +#endif + } else { + og01a10->cur_mode = mode; + h_blank = mode->hts_def - mode->width; + __v4l2_ctrl_modify_range(og01a10->hblank, h_blank, + h_blank, 1, h_blank); + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(og01a10->vblank, vblank_def, + OG01A10_VTS_MAX - mode->height, + 1, vblank_def); + if (mode->hdr_mode == NO_HDR) { + dst_link_freq = 0; + dst_pixel_rate = OG01A10_PIXEL_RATE; + } + __v4l2_ctrl_s_ctrl_int64(og01a10->pixel_rate, + dst_pixel_rate); + __v4l2_ctrl_s_ctrl(og01a10->link_freq, + dst_link_freq); + } + + mutex_unlock(&og01a10->mutex); + + return 0; +} + +static int og01a10_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *fmt) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + const struct og01a10_mode *mode = og01a10->cur_mode; + + mutex_lock(&og01a10->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(&og01a10->mutex); + return -ENOTTY; +#endif + } else { + fmt->format.width = mode->width; + fmt->format.height = mode->height; + fmt->format.code = PIX_FORMAT; + 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(&og01a10->mutex); + + return 0; +} + +static int og01a10_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 = PIX_FORMAT; + + return 0; +} + +static int og01a10_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 != PIX_FORMAT) + 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 og01a10_enable_test_pattern(struct og01a10 *og01a10, u32 pattern) +{ + u32 val; + + if (pattern) + val = (pattern - 1) | OG01A10_TEST_PATTERN_ENABLE; + else + val = OG01A10_TEST_PATTERN_DISABLE; + + return og01a10_write_reg(og01a10->client, OG01A10_REG_TEST_PATTERN, + OG01A10_REG_VALUE_08BIT, val); +} + +static void og01a10_get_module_inf(struct og01a10 *og01a10, + struct rkmodule_inf *inf) +{ + memset(inf, 0, sizeof(*inf)); + strscpy(inf->base.sensor, OG01A10_NAME, sizeof(inf->base.sensor)); + strscpy(inf->base.module, og01a10->module_name, + sizeof(inf->base.module)); + strscpy(inf->base.lens, og01a10->len_name, sizeof(inf->base.lens)); +} + +static long og01a10_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + struct rkmodule_hdr_cfg *hdr_cfg; + long ret = 0; + u32 stream = 0; + + switch (cmd) { + case RKMODULE_GET_MODULE_INFO: + og01a10_get_module_inf(og01a10, (struct rkmodule_inf *)arg); + break; + case RKMODULE_SET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + if (hdr_cfg->hdr_mode != 0) + ret = -1; + break; + case RKMODULE_GET_HDR_CFG: + hdr_cfg = (struct rkmodule_hdr_cfg *)arg; + hdr_cfg->esp.mode = HDR_NORMAL_VC; + hdr_cfg->hdr_mode = og01a10->cur_mode->hdr_mode; + break; + case RKMODULE_SET_QUICK_STREAM: + stream = *((u32 *)arg); + + if (stream) + ret = og01a10_write_reg(og01a10->client, OG01A10_REG_CTRL_MODE, + OG01A10_REG_VALUE_08BIT, OG01A10_MODE_STREAMING); + else + ret = og01a10_write_reg(og01a10->client, OG01A10_REG_CTRL_MODE, + OG01A10_REG_VALUE_08BIT, OG01A10_MODE_SW_STANDBY); + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} + +#ifdef CONFIG_COMPAT +static long og01a10_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; + long ret; + u32 stream = 0; + + switch (cmd) { + case RKMODULE_GET_MODULE_INFO: + inf = kzalloc(sizeof(*inf), GFP_KERNEL); + if (!inf) { + ret = -ENOMEM; + return ret; + } + ret = og01a10_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 = og01a10_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 = og01a10_ioctl(sd, cmd, hdr); + kfree(hdr); + break; + case RKMODULE_SET_QUICK_STREAM: + ret = copy_from_user(&stream, up, sizeof(u32)); + if (!ret) + ret = og01a10_ioctl(sd, cmd, &stream); + else + ret = -EFAULT; + break; + default: + ret = -ENOIOCTLCMD; + break; + } + + return ret; +} +#endif + +static int __og01a10_start_stream(struct og01a10 *og01a10) +{ + int ret; + + ret = og01a10_write_array(og01a10->client, og01a10->cur_mode->reg_list); + if (ret) + return ret; + + /* In case these controls are set before streaming */ + mutex_unlock(&og01a10->mutex); + ret = v4l2_ctrl_handler_setup(&og01a10->ctrl_handler); + mutex_lock(&og01a10->mutex); + if (ret) + return ret; + + return og01a10_write_reg(og01a10->client, OG01A10_REG_CTRL_MODE, + OG01A10_REG_VALUE_08BIT, OG01A10_MODE_STREAMING); +} + +static int __og01a10_stop_stream(struct og01a10 *og01a10) +{ + return og01a10_write_reg(og01a10->client, OG01A10_REG_CTRL_MODE, + OG01A10_REG_VALUE_08BIT, OG01A10_MODE_SW_STANDBY); +} + +static int og01a10_s_stream(struct v4l2_subdev *sd, int on) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + struct i2c_client *client = og01a10->client; + int ret = 0; + + mutex_lock(&og01a10->mutex); + on = !!on; + if (on == og01a10->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 = __og01a10_start_stream(og01a10); + if (ret) { + v4l2_err(sd, "start stream failed while write regs\n"); + pm_runtime_put(&client->dev); + goto unlock_and_return; + } + } else { + __og01a10_stop_stream(og01a10); + pm_runtime_put(&client->dev); + } + + og01a10->streaming = on; + +unlock_and_return: + mutex_unlock(&og01a10->mutex); + + return ret; +} + +static int og01a10_s_power(struct v4l2_subdev *sd, int on) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + struct i2c_client *client = og01a10->client; + int ret = 0; + + mutex_lock(&og01a10->mutex); + + /* If the power state is not modified - no work to do. */ + if (og01a10->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; + } + og01a10->power_on = true; + } else { + pm_runtime_put(&client->dev); + og01a10->power_on = false; + } + +unlock_and_return: + mutex_unlock(&og01a10->mutex); + + return ret; +} + +static int og01a10_g_frame_interval(struct v4l2_subdev *sd, + struct v4l2_subdev_frame_interval *fi) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + const struct og01a10_mode *mode = og01a10->cur_mode; + + fi->interval = mode->max_fps; + return 0; +} + +/* Calculate the delay in us by clock rate and clock cycles */ +static inline u32 og01a10_cal_delay(u32 cycles) +{ + return DIV_ROUND_UP(cycles, OG01A10_XVCLK_FREQ / 1000 / 1000); +} + +static int __og01a10_power_on(struct og01a10 *og01a10) +{ + int ret; + u32 delay_us; + struct device *dev = &og01a10->client->dev; + + if (!IS_ERR_OR_NULL(og01a10->pins_default)) { + ret = pinctrl_select_state(og01a10->pinctrl, + og01a10->pins_default); + if (ret < 0) + dev_err(dev, "could not set pins\n"); + } + + ret = clk_set_rate(og01a10->xvclk, OG01A10_XVCLK_FREQ); + if (ret < 0) + dev_warn(dev, "Failed to set xvclk rate (24MHz)\n"); + if (clk_get_rate(og01a10->xvclk) != OG01A10_XVCLK_FREQ) + dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); + ret = clk_prepare_enable(og01a10->xvclk); + if (ret < 0) { + dev_err(dev, "Failed to enable xvclk\n"); + return ret; + } + + ret = regulator_bulk_enable(OG01A10_NUM_SUPPLIES, og01a10->supplies); + if (ret < 0) { + dev_err(dev, "Failed to enable regulators\n"); + goto disable_clk; + } + if (!IS_ERR(og01a10->reset_gpio)) + gpiod_set_value_cansleep(og01a10->reset_gpio, 1); + if (!IS_ERR(og01a10->reset_gpio)) + gpiod_set_value_cansleep(og01a10->reset_gpio, 1); + usleep_range(1000, 2000); + if (!IS_ERR(og01a10->pwdn_gpio)) + gpiod_set_value_cansleep(og01a10->pwdn_gpio, 0); + else + dev_err(dev, "Failed to pwdn_gpio 1\n"); + if (!IS_ERR(og01a10->reset_gpio)) + gpiod_set_value_cansleep(og01a10->reset_gpio, 0); + else + dev_err(dev, "Failed to reset_gpio 1\n"); + usleep_range(10000, 20000); + + /* 8192 cycles prior to first SCCB transaction */ + delay_us = og01a10_cal_delay(8192); + usleep_range(delay_us, delay_us * 2); + + return 0; + +disable_clk: + clk_disable_unprepare(og01a10->xvclk); + + return ret; +} + +static void __og01a10_power_off(struct og01a10 *og01a10) +{ + int ret; + + if (!IS_ERR(og01a10->reset_gpio)) + gpiod_set_value_cansleep(og01a10->reset_gpio, 1); + + if (!IS_ERR(og01a10->pwdn_gpio)) + gpiod_set_value_cansleep(og01a10->pwdn_gpio, 0); + + clk_disable_unprepare(og01a10->xvclk); + if (!IS_ERR_OR_NULL(og01a10->pins_sleep)) { + ret = pinctrl_select_state(og01a10->pinctrl, + og01a10->pins_sleep); + if (ret < 0) + dev_dbg(&og01a10->client->dev, "could not set pins\n"); + } + regulator_bulk_disable(OG01A10_NUM_SUPPLIES, og01a10->supplies); +} + +static int og01a10_runtime_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct og01a10 *og01a10 = to_og01a10(sd); + + return __og01a10_power_on(og01a10); +} + +static int og01a10_runtime_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct og01a10 *og01a10 = to_og01a10(sd); + + __og01a10_power_off(og01a10); + + return 0; +} + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static int og01a10_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct og01a10 *og01a10 = to_og01a10(sd); + struct v4l2_mbus_framefmt *try_fmt = + v4l2_subdev_get_try_format(sd, fh->pad, 0); + const struct og01a10_mode *def_mode = &supported_modes[0]; + + mutex_lock(&og01a10->mutex); + /* Initialize try_fmt */ + try_fmt->width = def_mode->width; + try_fmt->height = def_mode->height; + try_fmt->code = PIX_FORMAT; + try_fmt->field = V4L2_FIELD_NONE; + + mutex_unlock(&og01a10->mutex); + /* No crop or compose */ + + return 0; +} +#endif + +static int og01a10_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; + + if (fie->code != PIX_FORMAT) + return -EINVAL; + + fie->width = supported_modes[fie->index].width; + fie->height = supported_modes[fie->index].height; + fie->interval = supported_modes[fie->index].max_fps; + fie->reserved[0] = supported_modes[fie->index].hdr_mode; + return 0; +} + +static int og01a10_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad, + struct v4l2_mbus_config *config) +{ + u32 val = 0; + + val = 1 << (OG01A10_LANES - 1) | + V4L2_MBUS_CSI2_CHANNEL_0 | + V4L2_MBUS_CSI2_CONTINUOUS_CLOCK; + config->type = V4L2_MBUS_CSI2_DPHY; + config->flags = val; + + return 0; +} + +static const struct dev_pm_ops og01a10_pm_ops = { + SET_RUNTIME_PM_OPS(og01a10_runtime_suspend, + og01a10_runtime_resume, NULL) +}; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API +static const struct v4l2_subdev_internal_ops og01a10_internal_ops = { + .open = og01a10_open, +}; +#endif + +static const struct v4l2_subdev_core_ops og01a10_core_ops = { + .s_power = og01a10_s_power, + .ioctl = og01a10_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl32 = og01a10_compat_ioctl32, +#endif +}; + +static const struct v4l2_subdev_video_ops og01a10_video_ops = { + .s_stream = og01a10_s_stream, + .g_frame_interval = og01a10_g_frame_interval, +}; + +static const struct v4l2_subdev_pad_ops og01a10_pad_ops = { + .enum_mbus_code = og01a10_enum_mbus_code, + .enum_frame_size = og01a10_enum_frame_sizes, + .enum_frame_interval = og01a10_enum_frame_interval, + .get_fmt = og01a10_get_fmt, + .set_fmt = og01a10_set_fmt, + .get_mbus_config = og01a10_g_mbus_config, +}; + +static const struct v4l2_subdev_ops og01a10_subdev_ops = { + .core = &og01a10_core_ops, + .video = &og01a10_video_ops, + .pad = &og01a10_pad_ops, +}; + +static int og01a10_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct og01a10 *og01a10 = container_of(ctrl->handler, + struct og01a10, ctrl_handler); + struct i2c_client *client = og01a10->client; + s64 max; + int ret = 0; + u32 again, dgain; + + /* Propagate change of current control to all related controls */ + switch (ctrl->id) { + case V4L2_CID_VBLANK: + /* Update max exposure while meeting expected vblanking */ + max = og01a10->cur_mode->height + ctrl->val - 6; + __v4l2_ctrl_modify_range(og01a10->exposure, + og01a10->exposure->minimum, max, + og01a10->exposure->step, + og01a10->exposure->default_value); + break; + } + + if (!pm_runtime_get_if_in_use(&client->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + /* 4 least significant bits of expsoure are fractional part */ + ret = og01a10_write_reg(og01a10->client, OG01A10_REG_EXPOSURE, + OG01A10_REG_VALUE_16BIT, ctrl->val); + break; + case V4L2_CID_ANALOGUE_GAIN: + if (ctrl->val > 3968) { + again = 3968; + dgain = 1024 * ctrl->val / 3968; + } else { + again = ctrl->val; + dgain = 1024; + } + ret = og01a10_write_reg(og01a10->client, OG01A10_REG_AGAIN, + OG01A10_REG_VALUE_16BIT, again); + ret |= og01a10_write_reg(og01a10->client, OG01A10_REG_DGAIN, + OG01A10_REG_VALUE_24BIT, dgain << 6); + break; + case V4L2_CID_VBLANK: + ret = og01a10_write_reg(og01a10->client, OG01A10_REG_VTS, + OG01A10_REG_VALUE_16BIT, + ctrl->val + og01a10->cur_mode->height); + break; + case V4L2_CID_TEST_PATTERN: + ret = og01a10_enable_test_pattern(og01a10, ctrl->val); + break; + default: + dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n", + __func__, ctrl->id, ctrl->val); + break; + } + + pm_runtime_put(&client->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops og01a10_ctrl_ops = { + .s_ctrl = og01a10_set_ctrl, +}; + +static int og01a10_initialize_controls(struct og01a10 *og01a10) +{ + const struct og01a10_mode *mode; + struct v4l2_ctrl_handler *handler; + s64 exposure_max, vblank_def; + u32 h_blank; + int ret; + + handler = &og01a10->ctrl_handler; + mode = og01a10->cur_mode; + ret = v4l2_ctrl_handler_init(handler, 8); + if (ret) + return ret; + handler->lock = &og01a10->mutex; + + og01a10->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, + V4L2_CID_LINK_FREQ, + ARRAY_SIZE(link_freq_menu_items) - 1, 0, + link_freq_menu_items); + __v4l2_ctrl_s_ctrl(og01a10->link_freq, 0); + + og01a10->pixel_rate = v4l2_ctrl_new_std(handler, NULL, + V4L2_CID_PIXEL_RATE, 0, OG01A10_PIXEL_RATE, 1, OG01A10_PIXEL_RATE); + + h_blank = mode->hts_def - mode->width; + og01a10->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, + h_blank, h_blank, 1, h_blank); + if (og01a10->hblank) + og01a10->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + vblank_def = mode->vts_def - mode->height; + og01a10->vblank = v4l2_ctrl_new_std(handler, &og01a10_ctrl_ops, + V4L2_CID_VBLANK, vblank_def, + OG01A10_VTS_MAX - mode->height, + 1, vblank_def); + + exposure_max = mode->vts_def - 6; + og01a10->exposure = v4l2_ctrl_new_std(handler, &og01a10_ctrl_ops, + V4L2_CID_EXPOSURE, OG01A10_EXPOSURE_MIN, + exposure_max, OG01A10_EXPOSURE_STEP, + mode->exp_def); + + og01a10->anal_gain = v4l2_ctrl_new_std(handler, &og01a10_ctrl_ops, + V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN, + ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, + ANALOG_GAIN_DEFAULT); + + og01a10->test_pattern = v4l2_ctrl_new_std_menu_items(handler, + &og01a10_ctrl_ops, V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(og01a10_test_pattern_menu) - 1, + 0, 0, og01a10_test_pattern_menu); + + if (handler->error) { + ret = handler->error; + dev_err(&og01a10->client->dev, + "Failed to init controls(%d)\n", ret); + goto err_free_handler; + } + + og01a10->subdev.ctrl_handler = handler; + + return 0; + +err_free_handler: + v4l2_ctrl_handler_free(handler); + + return ret; +} + +static int og01a10_check_sensor_id(struct og01a10 *og01a10, + struct i2c_client *client) +{ + struct device *dev = &og01a10->client->dev; + u32 id = 0; + int ret; + + ret = og01a10_read_reg(client, OG01A10_REG_CHIP_ID, + OG01A10_REG_VALUE_16BIT, &id); + if (id != CHIP_ID) { + dev_err(dev, "Unexpected sensor id(%04x), ret(%d)\n", id, ret); + return -ENODEV; + } + + dev_info(dev, "Detected OG01A10 CHIP ID = 0x%04x sensor\n", CHIP_ID); + + return 0; +} + +static int og01a10_configure_regulators(struct og01a10 *og01a10) +{ + unsigned int i; + + for (i = 0; i < OG01A10_NUM_SUPPLIES; i++) + og01a10->supplies[i].supply = og01a10_supply_names[i]; + + return devm_regulator_bulk_get(&og01a10->client->dev, + OG01A10_NUM_SUPPLIES, + og01a10->supplies); +} + +static int og01a10_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct device_node *node = dev->of_node; + struct og01a10 *og01a10; + struct v4l2_subdev *sd; + char facing[2]; + int ret; + + dev_info(dev, "driver version: %02x.%02x.%02x", + DRIVER_VERSION >> 16, + (DRIVER_VERSION & 0xff00) >> 8, + DRIVER_VERSION & 0x00ff); + + og01a10 = devm_kzalloc(dev, sizeof(*og01a10), GFP_KERNEL); + if (!og01a10) + return -ENOMEM; + + ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, + &og01a10->module_index); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, + &og01a10->module_facing); + ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, + &og01a10->module_name); + ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, + &og01a10->len_name); + if (ret) { + dev_err(dev, "could not get module information!\n"); + return -EINVAL; + } + og01a10->client = client; + og01a10->cur_mode = &supported_modes[0]; + + og01a10->xvclk = devm_clk_get(dev, "xvclk"); + if (IS_ERR(og01a10->xvclk)) { + dev_err(dev, "Failed to get xvclk\n"); + return -EINVAL; + } + + og01a10->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(og01a10->reset_gpio)) + dev_err(dev, "Failed to get reset-gpios\n"); + + og01a10->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW); + if (IS_ERR(og01a10->pwdn_gpio)) + dev_warn(dev, "Failed to get pwdn-gpios\n"); + ret = og01a10_configure_regulators(og01a10); + if (ret) { + dev_err(dev, "Failed to get power regulators\n"); + return ret; + } + + og01a10->pinctrl = devm_pinctrl_get(dev); + if (!IS_ERR(og01a10->pinctrl)) { + og01a10->pins_default = + pinctrl_lookup_state(og01a10->pinctrl, + OF_CAMERA_PINCTRL_STATE_DEFAULT); + if (IS_ERR(og01a10->pins_default)) + dev_err(dev, "could not get default pinstate\n"); + + og01a10->pins_sleep = + pinctrl_lookup_state(og01a10->pinctrl, + OF_CAMERA_PINCTRL_STATE_SLEEP); + if (IS_ERR(og01a10->pins_sleep)) + dev_err(dev, "could not get sleep pinstate\n"); + } + mutex_init(&og01a10->mutex); + + sd = &og01a10->subdev; + v4l2_i2c_subdev_init(sd, client, &og01a10_subdev_ops); + ret = og01a10_initialize_controls(og01a10); + if (ret) + goto err_destroy_mutex; + + ret = __og01a10_power_on(og01a10); + if (ret) + goto err_free_handler; + + ret = og01a10_check_sensor_id(og01a10, client); + if (ret) + goto err_power_off; + +#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API + sd->internal_ops = &og01a10_internal_ops; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS; +#endif +#if defined(CONFIG_MEDIA_CONTROLLER) + og01a10->pad.flags = MEDIA_PAD_FL_SOURCE; + sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; + ret = media_entity_pads_init(&sd->entity, 1, &og01a10->pad); + if (ret < 0) + goto err_power_off; +#endif + + memset(facing, 0, sizeof(facing)); + if (strcmp(og01a10->module_facing, "back") == 0) + facing[0] = 'b'; + else + facing[0] = 'f'; + + snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", + og01a10->module_index, facing, + OG01A10_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: + __og01a10_power_off(og01a10); +err_free_handler: + v4l2_ctrl_handler_free(&og01a10->ctrl_handler); +err_destroy_mutex: + mutex_destroy(&og01a10->mutex); + + return ret; +} + +static int og01a10_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct og01a10 *og01a10 = to_og01a10(sd); + + v4l2_async_unregister_subdev(sd); +#if defined(CONFIG_MEDIA_CONTROLLER) + media_entity_cleanup(&sd->entity); +#endif + v4l2_ctrl_handler_free(&og01a10->ctrl_handler); + mutex_destroy(&og01a10->mutex); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + __og01a10_power_off(og01a10); + pm_runtime_set_suspended(&client->dev); + + return 0; +} + +#if IS_ENABLED(CONFIG_OF) +static const struct of_device_id og01a10_of_match[] = { + { .compatible = "ovti,og01a10" }, + {}, +}; +MODULE_DEVICE_TABLE(of, og01a10_of_match); +#endif + +static const struct i2c_device_id og01a10_match_id[] = { + { "ovti,og01a10", 0 }, + { }, +}; + +static struct i2c_driver og01a10_i2c_driver = { + .driver = { + .name = OG01A10_NAME, + .pm = &og01a10_pm_ops, + .of_match_table = of_match_ptr(og01a10_of_match), + }, + .probe = &og01a10_probe, + .remove = &og01a10_remove, + .id_table = og01a10_match_id, +}; + +static int __init sensor_mod_init(void) +{ + return i2c_add_driver(&og01a10_i2c_driver); +} + +static void __exit sensor_mod_exit(void) +{ + i2c_del_driver(&og01a10_i2c_driver); +} + +device_initcall_sync(sensor_mod_init); +module_exit(sensor_mod_exit); + +MODULE_DESCRIPTION("Ovti og01a10 sensor driver"); +MODULE_LICENSE("GPL");