diff options
Diffstat (limited to 'drivers/media/i2c/ov08d10.c')
| -rw-r--r-- | drivers/media/i2c/ov08d10.c | 1531 |
1 files changed, 1531 insertions, 0 deletions
diff --git a/drivers/media/i2c/ov08d10.c b/drivers/media/i2c/ov08d10.c new file mode 100644 index 0000000000..7d55d4ca24 --- /dev/null +++ b/drivers/media/i2c/ov08d10.c @@ -0,0 +1,1531 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2022 Intel Corporation. + +#include <linux/acpi.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/i2c.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regulator/consumer.h> +#include <media/v4l2-ctrls.h> +#include <media/v4l2-device.h> +#include <media/v4l2-fwnode.h> + +#define OV08D10_SCLK 144000000ULL +#define OV08D10_XVCLK_19_2 19200000 +#define OV08D10_ROWCLK 36000 +#define OV08D10_DATA_LANES 2 +#define OV08D10_RGB_DEPTH 10 + +#define OV08D10_REG_PAGE 0xfd +#define OV08D10_REG_GLOBAL_EFFECTIVE 0x01 +#define OV08D10_REG_CHIP_ID_0 0x00 +#define OV08D10_REG_CHIP_ID_1 0x01 +#define OV08D10_ID_MASK GENMASK(15, 0) +#define OV08D10_CHIP_ID 0x5608 + +#define OV08D10_REG_MODE_SELECT 0xa0 +#define OV08D10_MODE_STANDBY 0x00 +#define OV08D10_MODE_STREAMING 0x01 + +/* vertical-timings from sensor */ +#define OV08D10_REG_VTS_H 0x05 +#define OV08D10_REG_VTS_L 0x06 +#define OV08D10_VTS_MAX 0x7fff + +/* Exposure controls from sensor */ +#define OV08D10_REG_EXPOSURE_H 0x02 +#define OV08D10_REG_EXPOSURE_M 0x03 +#define OV08D10_REG_EXPOSURE_L 0x04 +#define OV08D10_EXPOSURE_MIN 6 +#define OV08D10_EXPOSURE_MAX_MARGIN 6 +#define OV08D10_EXPOSURE_STEP 1 + +/* Analog gain controls from sensor */ +#define OV08D10_REG_ANALOG_GAIN 0x24 +#define OV08D10_ANAL_GAIN_MIN 128 +#define OV08D10_ANAL_GAIN_MAX 2047 +#define OV08D10_ANAL_GAIN_STEP 1 + +/* Digital gain controls from sensor */ +#define OV08D10_REG_MWB_DGAIN_C 0x21 +#define OV08D10_REG_MWB_DGAIN_F 0x22 +#define OV08D10_DGTL_GAIN_MIN 0 +#define OV08D10_DGTL_GAIN_MAX 4095 +#define OV08D10_DGTL_GAIN_STEP 1 +#define OV08D10_DGTL_GAIN_DEFAULT 1024 + +/* Test Pattern Control */ +#define OV08D10_REG_TEST_PATTERN 0x12 +#define OV08D10_TEST_PATTERN_ENABLE 0x01 +#define OV08D10_TEST_PATTERN_DISABLE 0x00 + +/* Flip Mirror Controls from sensor */ +#define OV08D10_REG_FLIP_OPT 0x32 +#define OV08D10_REG_FLIP_MASK 0x3 + +#define to_ov08d10(_sd) container_of(_sd, struct ov08d10, sd) + +struct ov08d10_reg { + u8 address; + u8 val; +}; + +struct ov08d10_reg_list { + u32 num_of_regs; + const struct ov08d10_reg *regs; +}; + +struct ov08d10_link_freq_config { + const struct ov08d10_reg_list reg_list; +}; + +struct ov08d10_mode { + /* Frame width in pixels */ + u32 width; + + /* Frame height in pixels */ + u32 height; + + /* Horizontal timining size */ + u32 hts; + + /* Default vertical timining size */ + u32 vts_def; + + /* Min vertical timining size */ + u32 vts_min; + + /* Link frequency needed for this resolution */ + u32 link_freq_index; + + /* Sensor register settings for this resolution */ + const struct ov08d10_reg_list reg_list; + + /* Number of data lanes */ + u8 data_lanes; +}; + +/* 3280x2460, 3264x2448 need 720Mbps/lane, 2 lanes */ +static const struct ov08d10_reg mipi_data_rate_720mbps[] = { + {0xfd, 0x00}, + {0x11, 0x2a}, + {0x14, 0x43}, + {0x1a, 0x04}, + {0x1b, 0xe1}, + {0x1e, 0x13}, + {0xb7, 0x02} +}; + +/* 1632x1224 needs 360Mbps/lane, 2 lanes */ +static const struct ov08d10_reg mipi_data_rate_360mbps[] = { + {0xfd, 0x00}, + {0x1a, 0x04}, + {0x1b, 0xe1}, + {0x1d, 0x00}, + {0x1c, 0x19}, + {0x11, 0x2a}, + {0x14, 0x54}, + {0x1e, 0x13}, + {0xb7, 0x02} +}; + +static const struct ov08d10_reg lane_2_mode_3280x2460[] = { + /* 3280x2460 resolution */ + {0xfd, 0x01}, + {0x12, 0x00}, + {0x03, 0x12}, + {0x04, 0x58}, + {0x07, 0x05}, + {0x21, 0x02}, + {0x24, 0x30}, + {0x33, 0x03}, + {0x01, 0x03}, + {0x19, 0x10}, + {0x42, 0x55}, + {0x43, 0x00}, + {0x47, 0x07}, + {0x48, 0x08}, + {0xb2, 0x7f}, + {0xb3, 0x7b}, + {0xbd, 0x08}, + {0xd2, 0x57}, + {0xd3, 0x10}, + {0xd4, 0x08}, + {0xd5, 0x08}, + {0xd6, 0x06}, + {0xb1, 0x00}, + {0xb4, 0x00}, + {0xb7, 0x0a}, + {0xbc, 0x44}, + {0xbf, 0x48}, + {0xc1, 0x10}, + {0xc3, 0x24}, + {0xc8, 0x03}, + {0xc9, 0xf8}, + {0xe1, 0x33}, + {0xe2, 0xbb}, + {0x51, 0x0c}, + {0x52, 0x0a}, + {0x57, 0x8c}, + {0x59, 0x09}, + {0x5a, 0x08}, + {0x5e, 0x10}, + {0x60, 0x02}, + {0x6d, 0x5c}, + {0x76, 0x16}, + {0x7c, 0x11}, + {0x90, 0x28}, + {0x91, 0x16}, + {0x92, 0x1c}, + {0x93, 0x24}, + {0x95, 0x48}, + {0x9c, 0x06}, + {0xca, 0x0c}, + {0xce, 0x0d}, + {0xfd, 0x01}, + {0xc0, 0x00}, + {0xdd, 0x18}, + {0xde, 0x19}, + {0xdf, 0x32}, + {0xe0, 0x70}, + {0xfd, 0x01}, + {0xc2, 0x05}, + {0xd7, 0x88}, + {0xd8, 0x77}, + {0xd9, 0x00}, + {0xfd, 0x07}, + {0x00, 0xf8}, + {0x01, 0x2b}, + {0x05, 0x40}, + {0x08, 0x06}, + {0x09, 0x11}, + {0x28, 0x6f}, + {0x2a, 0x20}, + {0x2b, 0x05}, + {0x5e, 0x10}, + {0x52, 0x00}, + {0x53, 0x7c}, + {0x54, 0x00}, + {0x55, 0x7c}, + {0x56, 0x00}, + {0x57, 0x7c}, + {0x58, 0x00}, + {0x59, 0x7c}, + {0xfd, 0x02}, + {0x9a, 0x30}, + {0xa8, 0x02}, + {0xfd, 0x02}, + {0xa1, 0x01}, + {0xa2, 0x09}, + {0xa3, 0x9c}, + {0xa5, 0x00}, + {0xa6, 0x0c}, + {0xa7, 0xd0}, + {0xfd, 0x00}, + {0x24, 0x01}, + {0xc0, 0x16}, + {0xc1, 0x08}, + {0xc2, 0x30}, + {0x8e, 0x0c}, + {0x8f, 0xd0}, + {0x90, 0x09}, + {0x91, 0x9c}, + {0xfd, 0x05}, + {0x04, 0x40}, + {0x07, 0x00}, + {0x0d, 0x01}, + {0x0f, 0x01}, + {0x10, 0x00}, + {0x11, 0x00}, + {0x12, 0x0c}, + {0x13, 0xcf}, + {0x14, 0x00}, + {0x15, 0x00}, + {0xfd, 0x00}, + {0x20, 0x0f}, + {0xe7, 0x03}, + {0xe7, 0x00} +}; + +static const struct ov08d10_reg lane_2_mode_3264x2448[] = { + /* 3264x2448 resolution */ + {0xfd, 0x01}, + {0x12, 0x00}, + {0x03, 0x12}, + {0x04, 0x58}, + {0x07, 0x05}, + {0x21, 0x02}, + {0x24, 0x30}, + {0x33, 0x03}, + {0x01, 0x03}, + {0x19, 0x10}, + {0x42, 0x55}, + {0x43, 0x00}, + {0x47, 0x07}, + {0x48, 0x08}, + {0xb2, 0x7f}, + {0xb3, 0x7b}, + {0xbd, 0x08}, + {0xd2, 0x57}, + {0xd3, 0x10}, + {0xd4, 0x08}, + {0xd5, 0x08}, + {0xd6, 0x06}, + {0xb1, 0x00}, + {0xb4, 0x00}, + {0xb7, 0x0a}, + {0xbc, 0x44}, + {0xbf, 0x48}, + {0xc1, 0x10}, + {0xc3, 0x24}, + {0xc8, 0x03}, + {0xc9, 0xf8}, + {0xe1, 0x33}, + {0xe2, 0xbb}, + {0x51, 0x0c}, + {0x52, 0x0a}, + {0x57, 0x8c}, + {0x59, 0x09}, + {0x5a, 0x08}, + {0x5e, 0x10}, + {0x60, 0x02}, + {0x6d, 0x5c}, + {0x76, 0x16}, + {0x7c, 0x11}, + {0x90, 0x28}, + {0x91, 0x16}, + {0x92, 0x1c}, + {0x93, 0x24}, + {0x95, 0x48}, + {0x9c, 0x06}, + {0xca, 0x0c}, + {0xce, 0x0d}, + {0xfd, 0x01}, + {0xc0, 0x00}, + {0xdd, 0x18}, + {0xde, 0x19}, + {0xdf, 0x32}, + {0xe0, 0x70}, + {0xfd, 0x01}, + {0xc2, 0x05}, + {0xd7, 0x88}, + {0xd8, 0x77}, + {0xd9, 0x00}, + {0xfd, 0x07}, + {0x00, 0xf8}, + {0x01, 0x2b}, + {0x05, 0x40}, + {0x08, 0x06}, + {0x09, 0x11}, + {0x28, 0x6f}, + {0x2a, 0x20}, + {0x2b, 0x05}, + {0x5e, 0x10}, + {0x52, 0x00}, + {0x53, 0x7c}, + {0x54, 0x00}, + {0x55, 0x7c}, + {0x56, 0x00}, + {0x57, 0x7c}, + {0x58, 0x00}, + {0x59, 0x7c}, + {0xfd, 0x02}, + {0x9a, 0x30}, + {0xa8, 0x02}, + {0xfd, 0x02}, + {0xa1, 0x09}, + {0xa2, 0x09}, + {0xa3, 0x90}, + {0xa5, 0x08}, + {0xa6, 0x0c}, + {0xa7, 0xc0}, + {0xfd, 0x00}, + {0x24, 0x01}, + {0xc0, 0x16}, + {0xc1, 0x08}, + {0xc2, 0x30}, + {0x8e, 0x0c}, + {0x8f, 0xc0}, + {0x90, 0x09}, + {0x91, 0x90}, + {0xfd, 0x05}, + {0x04, 0x40}, + {0x07, 0x00}, + {0x0d, 0x01}, + {0x0f, 0x01}, + {0x10, 0x00}, + {0x11, 0x00}, + {0x12, 0x0c}, + {0x13, 0xcf}, + {0x14, 0x00}, + {0x15, 0x00}, + {0xfd, 0x00}, + {0x20, 0x0f}, + {0xe7, 0x03}, + {0xe7, 0x00} +}; + +static const struct ov08d10_reg lane_2_mode_1632x1224[] = { + /* 1640x1232 resolution */ + {0xfd, 0x01}, + {0x1a, 0x0a}, + {0x1b, 0x08}, + {0x2a, 0x01}, + {0x2b, 0x9a}, + {0xfd, 0x01}, + {0x12, 0x00}, + {0x03, 0x05}, + {0x04, 0xe2}, + {0x07, 0x05}, + {0x21, 0x02}, + {0x24, 0x30}, + {0x33, 0x03}, + {0x31, 0x06}, + {0x33, 0x03}, + {0x01, 0x03}, + {0x19, 0x10}, + {0x42, 0x55}, + {0x43, 0x00}, + {0x47, 0x07}, + {0x48, 0x08}, + {0xb2, 0x7f}, + {0xb3, 0x7b}, + {0xbd, 0x08}, + {0xd2, 0x57}, + {0xd3, 0x10}, + {0xd4, 0x08}, + {0xd5, 0x08}, + {0xd6, 0x06}, + {0xb1, 0x00}, + {0xb4, 0x00}, + {0xb7, 0x0a}, + {0xbc, 0x44}, + {0xbf, 0x48}, + {0xc1, 0x10}, + {0xc3, 0x24}, + {0xc8, 0x03}, + {0xc9, 0xf8}, + {0xe1, 0x33}, + {0xe2, 0xbb}, + {0x51, 0x0c}, + {0x52, 0x0a}, + {0x57, 0x8c}, + {0x59, 0x09}, + {0x5a, 0x08}, + {0x5e, 0x10}, + {0x60, 0x02}, + {0x6d, 0x5c}, + {0x76, 0x16}, + {0x7c, 0x1a}, + {0x90, 0x28}, + {0x91, 0x16}, + {0x92, 0x1c}, + {0x93, 0x24}, + {0x95, 0x48}, + {0x9c, 0x06}, + {0xca, 0x0c}, + {0xce, 0x0d}, + {0xfd, 0x01}, + {0xc0, 0x00}, + {0xdd, 0x18}, + {0xde, 0x19}, + {0xdf, 0x32}, + {0xe0, 0x70}, + {0xfd, 0x01}, + {0xc2, 0x05}, + {0xd7, 0x88}, + {0xd8, 0x77}, + {0xd9, 0x00}, + {0xfd, 0x07}, + {0x00, 0xf8}, + {0x01, 0x2b}, + {0x05, 0x40}, + {0x08, 0x03}, + {0x09, 0x08}, + {0x28, 0x6f}, + {0x2a, 0x20}, + {0x2b, 0x05}, + {0x2c, 0x01}, + {0x50, 0x02}, + {0x51, 0x03}, + {0x5e, 0x00}, + {0x52, 0x00}, + {0x53, 0x7c}, + {0x54, 0x00}, + {0x55, 0x7c}, + {0x56, 0x00}, + {0x57, 0x7c}, + {0x58, 0x00}, + {0x59, 0x7c}, + {0xfd, 0x02}, + {0x9a, 0x30}, + {0xa8, 0x02}, + {0xfd, 0x02}, + {0xa9, 0x04}, + {0xaa, 0xd0}, + {0xab, 0x06}, + {0xac, 0x68}, + {0xa1, 0x09}, + {0xa2, 0x04}, + {0xa3, 0xc8}, + {0xa5, 0x04}, + {0xa6, 0x06}, + {0xa7, 0x60}, + {0xfd, 0x05}, + {0x06, 0x80}, + {0x18, 0x06}, + {0x19, 0x68}, + {0xfd, 0x00}, + {0x24, 0x01}, + {0xc0, 0x16}, + {0xc1, 0x08}, + {0xc2, 0x30}, + {0x8e, 0x06}, + {0x8f, 0x60}, + {0x90, 0x04}, + {0x91, 0xc8}, + {0x93, 0x0e}, + {0x94, 0x77}, + {0x95, 0x77}, + {0x96, 0x10}, + {0x98, 0x88}, + {0x9c, 0x1a}, + {0xfd, 0x05}, + {0x04, 0x40}, + {0x07, 0x99}, + {0x0d, 0x03}, + {0x0f, 0x03}, + {0x10, 0x00}, + {0x11, 0x00}, + {0x12, 0x0c}, + {0x13, 0xcf}, + {0x14, 0x00}, + {0x15, 0x00}, + {0xfd, 0x00}, + {0x20, 0x0f}, + {0xe7, 0x03}, + {0xe7, 0x00}, +}; + +static const char * const ov08d10_test_pattern_menu[] = { + "Disabled", + "Standard Color Bar", +}; + +struct ov08d10 { + struct v4l2_subdev sd; + struct media_pad pad; + struct v4l2_ctrl_handler ctrl_handler; + + struct clk *xvclk; + + /* V4L2 Controls */ + struct v4l2_ctrl *link_freq; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *vblank; + struct v4l2_ctrl *hblank; + struct v4l2_ctrl *vflip; + struct v4l2_ctrl *hflip; + struct v4l2_ctrl *exposure; + + /* Current mode */ + const struct ov08d10_mode *cur_mode; + + /* To serialize asynchronus callbacks */ + struct mutex mutex; + + /* Streaming on/off */ + bool streaming; + + /* lanes index */ + u8 nlanes; + + const struct ov08d10_lane_cfg *priv_lane; + u8 modes_size; +}; + +struct ov08d10_lane_cfg { + const s64 link_freq_menu[2]; + const struct ov08d10_link_freq_config link_freq_configs[2]; + const struct ov08d10_mode sp_modes[3]; +}; + +static const struct ov08d10_lane_cfg lane_cfg_2 = { + { + 720000000, + 360000000, + }, + {{ + .reg_list = { + .num_of_regs = + ARRAY_SIZE(mipi_data_rate_720mbps), + .regs = mipi_data_rate_720mbps, + } + }, + { + .reg_list = { + .num_of_regs = + ARRAY_SIZE(mipi_data_rate_360mbps), + .regs = mipi_data_rate_360mbps, + } + }}, + {{ + .width = 3280, + .height = 2460, + .hts = 1840, + .vts_def = 2504, + .vts_min = 2504, + .reg_list = { + .num_of_regs = ARRAY_SIZE(lane_2_mode_3280x2460), + .regs = lane_2_mode_3280x2460, + }, + .link_freq_index = 0, + .data_lanes = 2, + }, + { + .width = 3264, + .height = 2448, + .hts = 1840, + .vts_def = 2504, + .vts_min = 2504, + .reg_list = { + .num_of_regs = ARRAY_SIZE(lane_2_mode_3264x2448), + .regs = lane_2_mode_3264x2448, + }, + .link_freq_index = 0, + .data_lanes = 2, + }, + { + .width = 1632, + .height = 1224, + .hts = 1912, + .vts_def = 3736, + .vts_min = 3736, + .reg_list = { + .num_of_regs = ARRAY_SIZE(lane_2_mode_1632x1224), + .regs = lane_2_mode_1632x1224, + }, + .link_freq_index = 1, + .data_lanes = 2, + }} +}; + +static u32 ov08d10_get_format_code(struct ov08d10 *ov08d10) +{ + static const u32 codes[2][2] = { + { MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10}, + { MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10}, + }; + + return codes[ov08d10->vflip->val][ov08d10->hflip->val]; +} + +static unsigned int ov08d10_modes_num(const struct ov08d10 *ov08d10) +{ + unsigned int i, count = 0; + + for (i = 0; i < ARRAY_SIZE(ov08d10->priv_lane->sp_modes); i++) { + if (ov08d10->priv_lane->sp_modes[i].width == 0) + break; + count++; + } + + return count; +} + +static u64 to_rate(const s64 *link_freq_menu, + u32 f_index, u8 nlanes) +{ + u64 pixel_rate = link_freq_menu[f_index] * 2 * nlanes; + + do_div(pixel_rate, OV08D10_RGB_DEPTH); + + return pixel_rate; +} + +static u64 to_pixels_per_line(const s64 *link_freq_menu, u32 hts, + u32 f_index, u8 nlanes) +{ + u64 ppl = hts * to_rate(link_freq_menu, f_index, nlanes); + + do_div(ppl, OV08D10_SCLK); + + return ppl; +} + +static int ov08d10_write_reg_list(struct ov08d10 *ov08d10, + const struct ov08d10_reg_list *r_list) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + unsigned int i; + int ret; + + for (i = 0; i < r_list->num_of_regs; i++) { + ret = i2c_smbus_write_byte_data(client, r_list->regs[i].address, + r_list->regs[i].val); + if (ret) { + dev_err_ratelimited(&client->dev, + "failed to write reg 0x%2.2x. error = %d", + r_list->regs[i].address, ret); + return ret; + } + } + + return 0; +} + +static int ov08d10_update_analog_gain(struct ov08d10 *ov08d10, u32 a_gain) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + int ret; + + val = ((a_gain >> 3) & 0xFF); + /* CIS control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + /* update AGAIN */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_ANALOG_GAIN, val); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_update_digital_gain(struct ov08d10 *ov08d10, u32 d_gain) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + int ret; + + d_gain = (d_gain >> 1); + /* CIS control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + val = ((d_gain >> 8) & 0x3F); + /* update DGAIN */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MWB_DGAIN_C, val); + if (ret < 0) + return ret; + + val = d_gain & 0xFF; + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MWB_DGAIN_F, val); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_set_exposure(struct ov08d10 *ov08d10, u32 exposure) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + u8 hts_h, hts_l; + u32 hts, cur_vts, exp_cal; + int ret; + + cur_vts = ov08d10->cur_mode->vts_def; + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + hts_h = i2c_smbus_read_byte_data(client, 0x37); + hts_l = i2c_smbus_read_byte_data(client, 0x38); + hts = ((hts_h << 8) | (hts_l)); + exp_cal = 66 * OV08D10_ROWCLK / hts; + exposure = exposure * exp_cal / (cur_vts - OV08D10_EXPOSURE_MAX_MARGIN); + /* CIS control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + /* update exposure */ + val = ((exposure >> 16) & 0xFF); + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_H, val); + if (ret < 0) + return ret; + + val = ((exposure >> 8) & 0xFF); + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_M, val); + if (ret < 0) + return ret; + + val = exposure & 0xFF; + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_EXPOSURE_L, val); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_set_vblank(struct ov08d10 *ov08d10, u32 vblank) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + int ret; + + /* CIS control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + val = ((vblank >> 8) & 0xFF); + /* update vblank */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_VTS_H, val); + if (ret < 0) + return ret; + + val = vblank & 0xFF; + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_VTS_L, val); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_test_pattern(struct ov08d10 *ov08d10, u32 pattern) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + int ret; + + if (pattern) + val = OV08D10_TEST_PATTERN_ENABLE; + else + val = OV08D10_TEST_PATTERN_DISABLE; + + /* CIS control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + ret = i2c_smbus_write_byte_data(client, + OV08D10_REG_TEST_PATTERN, val); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_set_ctrl_flip(struct ov08d10 *ov08d10, u32 ctrl_val) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u8 val; + int ret; + + /* System control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + ret = i2c_smbus_read_byte_data(client, OV08D10_REG_FLIP_OPT); + if (ret < 0) + return ret; + + val = ret | (ctrl_val & OV08D10_REG_FLIP_MASK); + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) + return ret; + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_FLIP_OPT, val); + + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, + OV08D10_REG_GLOBAL_EFFECTIVE, 0x01); +} + +static int ov08d10_set_ctrl(struct v4l2_ctrl *ctrl) +{ + struct ov08d10 *ov08d10 = container_of(ctrl->handler, + struct ov08d10, ctrl_handler); + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + s64 exposure_max; + int ret; + + /* Propagate change of current control to all related controls */ + if (ctrl->id == V4L2_CID_VBLANK) { + /* Update max exposure while meeting expected vblanking */ + exposure_max = ov08d10->cur_mode->height + ctrl->val - + OV08D10_EXPOSURE_MAX_MARGIN; + __v4l2_ctrl_modify_range(ov08d10->exposure, + ov08d10->exposure->minimum, + exposure_max, ov08d10->exposure->step, + exposure_max); + } + + /* V4L2 controls values will be applied only when power is already up */ + if (!pm_runtime_get_if_in_use(&client->dev)) + return 0; + + switch (ctrl->id) { + case V4L2_CID_ANALOGUE_GAIN: + ret = ov08d10_update_analog_gain(ov08d10, ctrl->val); + break; + + case V4L2_CID_DIGITAL_GAIN: + ret = ov08d10_update_digital_gain(ov08d10, ctrl->val); + break; + + case V4L2_CID_EXPOSURE: + ret = ov08d10_set_exposure(ov08d10, ctrl->val); + break; + + case V4L2_CID_VBLANK: + ret = ov08d10_set_vblank(ov08d10, ctrl->val); + break; + + case V4L2_CID_TEST_PATTERN: + ret = ov08d10_test_pattern(ov08d10, ctrl->val); + break; + + case V4L2_CID_HFLIP: + case V4L2_CID_VFLIP: + ret = ov08d10_set_ctrl_flip(ov08d10, + ov08d10->hflip->val | + ov08d10->vflip->val << 1); + break; + + default: + ret = -EINVAL; + break; + } + + pm_runtime_put(&client->dev); + + return ret; +} + +static const struct v4l2_ctrl_ops ov08d10_ctrl_ops = { + .s_ctrl = ov08d10_set_ctrl, +}; + +static int ov08d10_init_controls(struct ov08d10 *ov08d10) +{ + struct v4l2_ctrl_handler *ctrl_hdlr; + u8 link_freq_size; + s64 exposure_max; + s64 vblank_def; + s64 vblank_min; + s64 h_blank; + s64 pixel_rate_max; + const struct ov08d10_mode *mode; + int ret; + + ctrl_hdlr = &ov08d10->ctrl_handler; + ret = v4l2_ctrl_handler_init(ctrl_hdlr, 8); + if (ret) + return ret; + + ctrl_hdlr->lock = &ov08d10->mutex; + link_freq_size = ARRAY_SIZE(ov08d10->priv_lane->link_freq_menu); + ov08d10->link_freq = + v4l2_ctrl_new_int_menu(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_LINK_FREQ, + link_freq_size - 1, + 0, + ov08d10->priv_lane->link_freq_menu); + if (ov08d10->link_freq) + ov08d10->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + pixel_rate_max = to_rate(ov08d10->priv_lane->link_freq_menu, 0, + ov08d10->cur_mode->data_lanes); + ov08d10->pixel_rate = + v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_PIXEL_RATE, 0, pixel_rate_max, 1, + pixel_rate_max); + + mode = ov08d10->cur_mode; + vblank_def = mode->vts_def - mode->height; + vblank_min = mode->vts_min - mode->height; + ov08d10->vblank = + v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_VBLANK, vblank_min, + OV08D10_VTS_MAX - mode->height, 1, + vblank_def); + + h_blank = to_pixels_per_line(ov08d10->priv_lane->link_freq_menu, + mode->hts, mode->link_freq_index, + mode->data_lanes) - + mode->width; + ov08d10->hblank = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_HBLANK, h_blank, h_blank, + 1, h_blank); + if (ov08d10->hblank) + ov08d10->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; + + v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, V4L2_CID_ANALOGUE_GAIN, + OV08D10_ANAL_GAIN_MIN, OV08D10_ANAL_GAIN_MAX, + OV08D10_ANAL_GAIN_STEP, OV08D10_ANAL_GAIN_MIN); + + v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, V4L2_CID_DIGITAL_GAIN, + OV08D10_DGTL_GAIN_MIN, OV08D10_DGTL_GAIN_MAX, + OV08D10_DGTL_GAIN_STEP, OV08D10_DGTL_GAIN_DEFAULT); + + exposure_max = mode->vts_def - OV08D10_EXPOSURE_MAX_MARGIN; + ov08d10->exposure = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_EXPOSURE, + OV08D10_EXPOSURE_MIN, + exposure_max, + OV08D10_EXPOSURE_STEP, + exposure_max); + + v4l2_ctrl_new_std_menu_items(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(ov08d10_test_pattern_menu) - 1, + 0, 0, ov08d10_test_pattern_menu); + + ov08d10->hflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_HFLIP, 0, 1, 1, 0); + if (ov08d10->hflip) + ov08d10->hflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; + ov08d10->vflip = v4l2_ctrl_new_std(ctrl_hdlr, &ov08d10_ctrl_ops, + V4L2_CID_VFLIP, 0, 1, 1, 0); + if (ov08d10->vflip) + ov08d10->vflip->flags |= V4L2_CTRL_FLAG_MODIFY_LAYOUT; + + if (ctrl_hdlr->error) + return ctrl_hdlr->error; + + ov08d10->sd.ctrl_handler = ctrl_hdlr; + + return 0; +} + +static void ov08d10_update_pad_format(struct ov08d10 *ov08d10, + const struct ov08d10_mode *mode, + struct v4l2_mbus_framefmt *fmt) +{ + fmt->width = mode->width; + fmt->height = mode->height; + fmt->code = ov08d10_get_format_code(ov08d10); + fmt->field = V4L2_FIELD_NONE; +} + +static int ov08d10_start_streaming(struct ov08d10 *ov08d10) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + const struct ov08d10_reg_list *reg_list; + int link_freq_index, ret; + + link_freq_index = ov08d10->cur_mode->link_freq_index; + reg_list = + &ov08d10->priv_lane->link_freq_configs[link_freq_index].reg_list; + + /* soft reset */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00); + if (ret < 0) { + dev_err(&client->dev, "failed to reset sensor"); + return ret; + } + ret = i2c_smbus_write_byte_data(client, 0x20, 0x0e); + if (ret < 0) { + dev_err(&client->dev, "failed to reset sensor"); + return ret; + } + usleep_range(3000, 4000); + ret = i2c_smbus_write_byte_data(client, 0x20, 0x0b); + if (ret < 0) { + dev_err(&client->dev, "failed to reset sensor"); + return ret; + } + + /* update sensor setting */ + ret = ov08d10_write_reg_list(ov08d10, reg_list); + if (ret) { + dev_err(&client->dev, "failed to set plls"); + return ret; + } + + reg_list = &ov08d10->cur_mode->reg_list; + ret = ov08d10_write_reg_list(ov08d10, reg_list); + if (ret) { + dev_err(&client->dev, "failed to set mode"); + return ret; + } + + ret = __v4l2_ctrl_handler_setup(ov08d10->sd.ctrl_handler); + if (ret) + return ret; + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00); + if (ret < 0) + return ret; + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MODE_SELECT, + OV08D10_MODE_STREAMING); + if (ret < 0) + return ret; + + return i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); +} + +static void ov08d10_stop_streaming(struct ov08d10 *ov08d10) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + int ret; + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00); + if (ret < 0) { + dev_err(&client->dev, "failed to stop streaming"); + return; + } + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_MODE_SELECT, + OV08D10_MODE_STANDBY); + if (ret < 0) { + dev_err(&client->dev, "failed to stop streaming"); + return; + } + + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x01); + if (ret < 0) { + dev_err(&client->dev, "failed to stop streaming"); + return; + } +} + +static int ov08d10_set_stream(struct v4l2_subdev *sd, int enable) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + struct i2c_client *client = v4l2_get_subdevdata(sd); + int ret = 0; + + if (ov08d10->streaming == enable) + return 0; + + mutex_lock(&ov08d10->mutex); + if (enable) { + ret = pm_runtime_resume_and_get(&client->dev); + if (ret < 0) { + mutex_unlock(&ov08d10->mutex); + return ret; + } + + ret = ov08d10_start_streaming(ov08d10); + if (ret) { + enable = 0; + ov08d10_stop_streaming(ov08d10); + pm_runtime_put(&client->dev); + } + } else { + ov08d10_stop_streaming(ov08d10); + pm_runtime_put(&client->dev); + } + + ov08d10->streaming = enable; + + /* vflip and hflip cannot change during streaming */ + __v4l2_ctrl_grab(ov08d10->vflip, enable); + __v4l2_ctrl_grab(ov08d10->hflip, enable); + + mutex_unlock(&ov08d10->mutex); + + return ret; +} + +static int __maybe_unused ov08d10_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + mutex_lock(&ov08d10->mutex); + if (ov08d10->streaming) + ov08d10_stop_streaming(ov08d10); + + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static int __maybe_unused ov08d10_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov08d10 *ov08d10 = to_ov08d10(sd); + int ret; + + mutex_lock(&ov08d10->mutex); + + if (ov08d10->streaming) { + ret = ov08d10_start_streaming(ov08d10); + if (ret) { + ov08d10->streaming = false; + ov08d10_stop_streaming(ov08d10); + mutex_unlock(&ov08d10->mutex); + return ret; + } + } + + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static int ov08d10_set_format(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_format *fmt) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + const struct ov08d10_mode *mode; + s32 vblank_def, h_blank; + s64 pixel_rate; + + mode = v4l2_find_nearest_size(ov08d10->priv_lane->sp_modes, + ov08d10->modes_size, + width, height, fmt->format.width, + fmt->format.height); + + mutex_lock(&ov08d10->mutex); + ov08d10_update_pad_format(ov08d10, mode, &fmt->format); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { + *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = + fmt->format; + } else { + ov08d10->cur_mode = mode; + __v4l2_ctrl_s_ctrl(ov08d10->link_freq, mode->link_freq_index); + pixel_rate = to_rate(ov08d10->priv_lane->link_freq_menu, + mode->link_freq_index, + ov08d10->cur_mode->data_lanes); + __v4l2_ctrl_s_ctrl_int64(ov08d10->pixel_rate, pixel_rate); + + /* Update limits and set FPS to default */ + vblank_def = mode->vts_def - mode->height; + __v4l2_ctrl_modify_range(ov08d10->vblank, + mode->vts_min - mode->height, + OV08D10_VTS_MAX - mode->height, 1, + vblank_def); + __v4l2_ctrl_s_ctrl(ov08d10->vblank, vblank_def); + h_blank = to_pixels_per_line(ov08d10->priv_lane->link_freq_menu, + mode->hts, + mode->link_freq_index, + ov08d10->cur_mode->data_lanes) + - mode->width; + __v4l2_ctrl_modify_range(ov08d10->hblank, h_blank, h_blank, 1, + h_blank); + } + + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static int ov08d10_get_format(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_format *fmt) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + mutex_lock(&ov08d10->mutex); + if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) + fmt->format = *v4l2_subdev_get_try_format(&ov08d10->sd, + sd_state, + fmt->pad); + else + ov08d10_update_pad_format(ov08d10, ov08d10->cur_mode, + &fmt->format); + + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static int ov08d10_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + if (code->index > 0) + return -EINVAL; + + mutex_lock(&ov08d10->mutex); + code->code = ov08d10_get_format_code(ov08d10); + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static int ov08d10_enum_frame_size(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + if (fse->index >= ov08d10->modes_size) + return -EINVAL; + + mutex_lock(&ov08d10->mutex); + if (fse->code != ov08d10_get_format_code(ov08d10)) { + mutex_unlock(&ov08d10->mutex); + return -EINVAL; + } + mutex_unlock(&ov08d10->mutex); + + fse->min_width = ov08d10->priv_lane->sp_modes[fse->index].width; + fse->max_width = fse->min_width; + fse->min_height = ov08d10->priv_lane->sp_modes[fse->index].height; + fse->max_height = fse->min_height; + + return 0; +} + +static int ov08d10_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) +{ + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + mutex_lock(&ov08d10->mutex); + ov08d10_update_pad_format(ov08d10, &ov08d10->priv_lane->sp_modes[0], + v4l2_subdev_get_try_format(sd, fh->state, 0)); + mutex_unlock(&ov08d10->mutex); + + return 0; +} + +static const struct v4l2_subdev_video_ops ov08d10_video_ops = { + .s_stream = ov08d10_set_stream, +}; + +static const struct v4l2_subdev_pad_ops ov08d10_pad_ops = { + .set_fmt = ov08d10_set_format, + .get_fmt = ov08d10_get_format, + .enum_mbus_code = ov08d10_enum_mbus_code, + .enum_frame_size = ov08d10_enum_frame_size, +}; + +static const struct v4l2_subdev_ops ov08d10_subdev_ops = { + .video = &ov08d10_video_ops, + .pad = &ov08d10_pad_ops, +}; + +static const struct v4l2_subdev_internal_ops ov08d10_internal_ops = { + .open = ov08d10_open, +}; + +static int ov08d10_identify_module(struct ov08d10 *ov08d10) +{ + struct i2c_client *client = v4l2_get_subdevdata(&ov08d10->sd); + u32 val; + u16 chip_id; + int ret; + + /* System control registers */ + ret = i2c_smbus_write_byte_data(client, OV08D10_REG_PAGE, 0x00); + if (ret < 0) + return ret; + + /* Validate the chip ID */ + ret = i2c_smbus_read_byte_data(client, OV08D10_REG_CHIP_ID_0); + if (ret < 0) + return ret; + + val = ret << 8; + + ret = i2c_smbus_read_byte_data(client, OV08D10_REG_CHIP_ID_1); + if (ret < 0) + return ret; + + chip_id = val | ret; + + if ((chip_id & OV08D10_ID_MASK) != OV08D10_CHIP_ID) { + dev_err(&client->dev, "unexpected sensor id(0x%04x)\n", + chip_id); + return -EINVAL; + } + + return 0; +} + +static int ov08d10_get_hwcfg(struct ov08d10 *ov08d10, struct device *dev) +{ + struct fwnode_handle *ep; + struct fwnode_handle *fwnode = dev_fwnode(dev); + struct v4l2_fwnode_endpoint bus_cfg = { + .bus_type = V4L2_MBUS_CSI2_DPHY + }; + u32 xvclk_rate; + unsigned int i, j; + int ret; + + if (!fwnode) + return -ENXIO; + + ret = fwnode_property_read_u32(fwnode, "clock-frequency", &xvclk_rate); + if (ret) + return ret; + + if (xvclk_rate != OV08D10_XVCLK_19_2) + dev_warn(dev, "external clock rate %u is unsupported", + xvclk_rate); + + ep = fwnode_graph_get_next_endpoint(fwnode, NULL); + if (!ep) + return -ENXIO; + + ret = v4l2_fwnode_endpoint_alloc_parse(ep, &bus_cfg); + fwnode_handle_put(ep); + if (ret) + return ret; + + /* Get number of data lanes */ + if (bus_cfg.bus.mipi_csi2.num_data_lanes != 2) { + dev_err(dev, "number of CSI2 data lanes %d is not supported", + bus_cfg.bus.mipi_csi2.num_data_lanes); + ret = -EINVAL; + goto check_hwcfg_error; + } + + dev_dbg(dev, "Using %u data lanes\n", ov08d10->cur_mode->data_lanes); + + ov08d10->priv_lane = &lane_cfg_2; + ov08d10->modes_size = ov08d10_modes_num(ov08d10); + + if (!bus_cfg.nr_of_link_frequencies) { + dev_err(dev, "no link frequencies defined"); + ret = -EINVAL; + goto check_hwcfg_error; + } + + for (i = 0; i < ARRAY_SIZE(ov08d10->priv_lane->link_freq_menu); i++) { + for (j = 0; j < bus_cfg.nr_of_link_frequencies; j++) { + if (ov08d10->priv_lane->link_freq_menu[i] == + bus_cfg.link_frequencies[j]) + break; + } + + if (j == bus_cfg.nr_of_link_frequencies) { + dev_err(dev, "no link frequency %lld supported", + ov08d10->priv_lane->link_freq_menu[i]); + ret = -EINVAL; + goto check_hwcfg_error; + } + } + +check_hwcfg_error: + v4l2_fwnode_endpoint_free(&bus_cfg); + + return ret; +} + +static void ov08d10_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct ov08d10 *ov08d10 = to_ov08d10(sd); + + v4l2_async_unregister_subdev(sd); + media_entity_cleanup(&sd->entity); + v4l2_ctrl_handler_free(sd->ctrl_handler); + pm_runtime_disable(&client->dev); + mutex_destroy(&ov08d10->mutex); +} + +static int ov08d10_probe(struct i2c_client *client) +{ + struct ov08d10 *ov08d10; + int ret; + + ov08d10 = devm_kzalloc(&client->dev, sizeof(*ov08d10), GFP_KERNEL); + if (!ov08d10) + return -ENOMEM; + + ret = ov08d10_get_hwcfg(ov08d10, &client->dev); + if (ret) { + dev_err(&client->dev, "failed to get HW configuration: %d", + ret); + return ret; + } + + v4l2_i2c_subdev_init(&ov08d10->sd, client, &ov08d10_subdev_ops); + + ret = ov08d10_identify_module(ov08d10); + if (ret) { + dev_err(&client->dev, "failed to find sensor: %d", ret); + return ret; + } + + mutex_init(&ov08d10->mutex); + ov08d10->cur_mode = &ov08d10->priv_lane->sp_modes[0]; + ret = ov08d10_init_controls(ov08d10); + if (ret) { + dev_err(&client->dev, "failed to init controls: %d", ret); + goto probe_error_v4l2_ctrl_handler_free; + } + + ov08d10->sd.internal_ops = &ov08d10_internal_ops; + ov08d10->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + ov08d10->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + ov08d10->pad.flags = MEDIA_PAD_FL_SOURCE; + ret = media_entity_pads_init(&ov08d10->sd.entity, 1, &ov08d10->pad); + if (ret) { + dev_err(&client->dev, "failed to init entity pads: %d", ret); + goto probe_error_v4l2_ctrl_handler_free; + } + + ret = v4l2_async_register_subdev_sensor(&ov08d10->sd); + if (ret < 0) { + dev_err(&client->dev, "failed to register V4L2 subdev: %d", + ret); + goto probe_error_media_entity_cleanup; + } + + /* + * Device is already turned on by i2c-core with ACPI domain PM. + * Enable runtime PM and turn off the device. + */ + pm_runtime_set_active(&client->dev); + pm_runtime_enable(&client->dev); + pm_runtime_idle(&client->dev); + + return 0; + +probe_error_media_entity_cleanup: + media_entity_cleanup(&ov08d10->sd.entity); + +probe_error_v4l2_ctrl_handler_free: + v4l2_ctrl_handler_free(ov08d10->sd.ctrl_handler); + mutex_destroy(&ov08d10->mutex); + + return ret; +} + +static const struct dev_pm_ops ov08d10_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(ov08d10_suspend, ov08d10_resume) +}; + +#ifdef CONFIG_ACPI +static const struct acpi_device_id ov08d10_acpi_ids[] = { + { "OVTI08D1" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(acpi, ov08d10_acpi_ids); +#endif + +static struct i2c_driver ov08d10_i2c_driver = { + .driver = { + .name = "ov08d10", + .pm = &ov08d10_pm_ops, + .acpi_match_table = ACPI_PTR(ov08d10_acpi_ids), + }, + .probe = ov08d10_probe, + .remove = ov08d10_remove, +}; + +module_i2c_driver(ov08d10_i2c_driver); + +MODULE_AUTHOR("Su, Jimmy <jimmy.su@intel.com>"); +MODULE_DESCRIPTION("OmniVision ov08d10 sensor driver"); +MODULE_LICENSE("GPL v2"); |