// SPDX-License-Identifier: GPL-2.0 /* * ov5695 driver * * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd. * * V0.0X01.0X01 add poweron function. * V0.0X01.0X02 add enum_frame_interval function. * V0.0X01.0X03 add quick stream on/off * V0.0X01.0X04 add function g_mbus_config */ #include <linux/clk.h> #include <linux/device.h> #include <linux/delay.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/module.h> #include <linux/pm_runtime.h> #include <linux/regulator/consumer.h> #include <linux/sysfs.h> #include <linux/slab.h> #include <linux/version.h> #include <linux/rk-camera-module.h> #include <media/media-entity.h> #include <media/v4l2-async.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-subdev.h> #define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x04) #ifndef V4L2_CID_DIGITAL_GAIN #define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN #endif /* 45Mhz * 4 Binning */ #define OV5695_PIXEL_RATE (45 * 1000 * 1000 * 4) #define OV5695_XVCLK_FREQ 24000000 #define CHIP_ID 0x005695 #define OV5695_REG_CHIP_ID 0x300a #define OV5695_REG_CTRL_MODE 0x0100 #define OV5695_MODE_SW_STANDBY 0x0 #define OV5695_MODE_STREAMING BIT(0) #define OV5695_REG_EXPOSURE 0x3500 #define OV5695_EXPOSURE_MIN 4 #define OV5695_EXPOSURE_STEP 1 #define OV5695_VTS_MAX 0x7fff #define OV5695_REG_ANALOG_GAIN 0x3509 #define ANALOG_GAIN_MIN 0x10 #define ANALOG_GAIN_MAX 0xf8 #define ANALOG_GAIN_STEP 1 #define ANALOG_GAIN_DEFAULT 0xf8 #define OV5695_REG_DIGI_GAIN_H 0x350a #define OV5695_REG_DIGI_GAIN_L 0x350b #define OV5695_DIGI_GAIN_L_MASK 0x3f #define OV5695_DIGI_GAIN_H_SHIFT 6 #define OV5695_DIGI_GAIN_MIN 0 #define OV5695_DIGI_GAIN_MAX (0x4000 - 1) #define OV5695_DIGI_GAIN_STEP 1 #define OV5695_DIGI_GAIN_DEFAULT 1024 #define OV5695_REG_TEST_PATTERN 0x4503 #define OV5695_TEST_PATTERN_ENABLE 0x80 #define OV5695_TEST_PATTERN_DISABLE 0x0 #define OV5695_REG_VTS 0x380e #define REG_NULL 0xFFFF #define OV5695_REG_VALUE_08BIT 1 #define OV5695_REG_VALUE_16BIT 2 #define OV5695_REG_VALUE_24BIT 3 #define OV5695_LANES 2 #define OV5695_BITS_PER_SAMPLE 10 #define I2C_M_WR 0 #define I2C_MSG_MAX 300 #define I2C_DATA_MAX (I2C_MSG_MAX * 3) #define OV5695_NAME "ov5695" static const char * const ov5695_supply_names[] = { <------>"avdd", /* Analog power */ <------>"dovdd", /* Digital I/O power */ <------>"dvdd", /* Digital core power */ }; #define OV5695_NUM_SUPPLIES ARRAY_SIZE(ov5695_supply_names) struct regval { <------>u16 addr; <------>u8 val; }; struct ov5695_mode { <------>u32 width; <------>u32 height; <------>struct v4l2_fract max_fps; <------>u32 hts_def; <------>u32 vts_def; <------>u32 exp_def; <------>const struct regval *reg_list; }; struct ov5695 { <------>struct i2c_client *client; <------>struct clk *xvclk; <------>struct gpio_desc *reset_gpio; <------>struct gpio_desc *pwdn_gpio; <------>struct regulator_bulk_data supplies[OV5695_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 v4l2_ctrl *test_pattern; <------>struct mutex mutex; <------>bool streaming; <------>bool power_on; <------>const struct ov5695_mode *cur_mode; <------>u32 module_index; <------>const char *module_facing; <------>const char *module_name; <------>const char *len_name; }; #define to_ov5695(sd) container_of(sd, struct ov5695, subdev) /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1296 * grabwindow_height 972 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_global_regs[] = { <------>{0x0103, 0x01}, <------>{0x0100, 0x00}, <------>{0x0300, 0x04}, <------>{0x0301, 0x00}, <------>{0x0302, 0x69}, <------>{0x0303, 0x00}, <------>{0x0304, 0x00}, <------>{0x0305, 0x01}, <------>{0x0307, 0x00}, <------>{0x030b, 0x00}, <------>{0x030c, 0x00}, <------>{0x030d, 0x1e}, <------>{0x030e, 0x04}, <------>{0x030f, 0x03}, <------>{0x0312, 0x01}, <------>{0x3000, 0x00}, <------>{0x3002, 0xa1}, <------>{0x3008, 0x00}, <------>{0x3010, 0x00}, <------>{0x3022, 0x51}, <------>{0x3106, 0x15}, <------>{0x3107, 0x01}, <------>{0x3108, 0x05}, <------>{0x3500, 0x00}, <------>{0x3501, 0x45}, <------>{0x3502, 0x00}, <------>{0x3503, 0x08}, <------>{0x3504, 0x03}, <------>{0x3505, 0x8c}, <------>{0x3507, 0x03}, <------>{0x3508, 0x00}, <------>{0x3509, 0x10}, <------>{0x350c, 0x00}, <------>{0x350d, 0x80}, <------>{0x3510, 0x00}, <------>{0x3511, 0x02}, <------>{0x3512, 0x00}, <------>{0x3601, 0x55}, <------>{0x3602, 0x58}, <------>{0x3614, 0x30}, <------>{0x3615, 0x77}, <------>{0x3621, 0x08}, <------>{0x3624, 0x40}, <------>{0x3633, 0x0c}, <------>{0x3634, 0x0c}, <------>{0x3635, 0x0c}, <------>{0x3636, 0x0c}, <------>{0x3638, 0x00}, <------>{0x3639, 0x00}, <------>{0x363a, 0x00}, <------>{0x363b, 0x00}, <------>{0x363c, 0xff}, <------>{0x363d, 0xfa}, <------>{0x3650, 0x44}, <------>{0x3651, 0x44}, <------>{0x3652, 0x44}, <------>{0x3653, 0x44}, <------>{0x3654, 0x44}, <------>{0x3655, 0x44}, <------>{0x3656, 0x44}, <------>{0x3657, 0x44}, <------>{0x3660, 0x00}, <------>{0x3661, 0x00}, <------>{0x3662, 0x00}, <------>{0x366a, 0x00}, <------>{0x366e, 0x0c}, <------>{0x3673, 0x04}, <------>{0x3700, 0x14}, <------>{0x3703, 0x0c}, <------>{0x3715, 0x01}, <------>{0x3733, 0x10}, <------>{0x3734, 0x40}, <------>{0x373f, 0xa0}, <------>{0x3765, 0x20}, <------>{0x37a1, 0x1d}, <------>{0x37a8, 0x26}, <------>{0x37ab, 0x14}, <------>{0x37c2, 0x04}, <------>{0x37cb, 0x09}, <------>{0x37cc, 0x13}, <------>{0x37cd, 0x1f}, <------>{0x37ce, 0x1f}, <------>{0x3800, 0x00}, <------>{0x3801, 0x00}, <------>{0x3802, 0x00}, <------>{0x3803, 0x00}, <------>{0x3804, 0x0a}, <------>{0x3805, 0x3f}, <------>{0x3806, 0x07}, <------>{0x3807, 0xaf}, <------>{0x3808, 0x05}, <------>{0x3809, 0x10}, <------>{0x380a, 0x03}, <------>{0x380b, 0xcc}, <------>{0x380c, 0x02}, <------>{0x380d, 0xa0}, <------>{0x380e, 0x08}, <------>{0x380f, 0xb8}, <------>{0x3810, 0x00}, <------>{0x3811, 0x06}, <------>{0x3812, 0x00}, <------>{0x3813, 0x06}, <------>{0x3814, 0x03}, <------>{0x3815, 0x01}, <------>{0x3816, 0x03}, <------>{0x3817, 0x01}, <------>{0x3818, 0x00}, <------>{0x3819, 0x00}, <------>{0x381a, 0x00}, <------>{0x381b, 0x01}, <------>{0x3820, 0x8b}, <------>{0x3821, 0x01}, <------>{0x3c80, 0x08}, <------>{0x3c82, 0x00}, <------>{0x3c83, 0x00}, <------>{0x3c88, 0x00}, <------>{0x3d85, 0x14}, <------>{0x3f02, 0x08}, <------>{0x3f03, 0x10}, <------>{0x4008, 0x02}, <------>{0x4009, 0x09}, <------>{0x404e, 0x20}, <------>{0x4501, 0x00}, <------>{0x4502, 0x10}, <------>{0x4800, 0x00}, <------>{0x481f, 0x2a}, <------>{0x4837, 0x13}, <------>{0x5000, 0x17}, <------>{0x5780, 0x3e}, <------>{0x5781, 0x0f}, <------>{0x5782, 0x44}, <------>{0x5783, 0x02}, <------>{0x5784, 0x01}, <------>{0x5785, 0x01}, <------>{0x5786, 0x00}, <------>{0x5787, 0x04}, <------>{0x5788, 0x02}, <------>{0x5789, 0x0f}, <------>{0x578a, 0xfd}, <------>{0x578b, 0xf5}, <------>{0x578c, 0xf5}, <------>{0x578d, 0x03}, <------>{0x578e, 0x08}, <------>{0x578f, 0x0c}, <------>{0x5790, 0x08}, <------>{0x5791, 0x06}, <------>{0x5792, 0x00}, <------>{0x5793, 0x52}, <------>{0x5794, 0xa3}, <------>{0x5b00, 0x00}, <------>{0x5b01, 0x1c}, <------>{0x5b02, 0x00}, <------>{0x5b03, 0x7f}, <------>{0x5b05, 0x6c}, <------>{0x5e10, 0xfc}, <------>{0x4010, 0xf1}, <------>{0x3503, 0x08}, <------>{0x3505, 0x8c}, <------>{0x3507, 0x03}, <------>{0x3508, 0x00}, <------>{0x3509, 0xf8}, <------>{REG_NULL, 0x00}, }; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 740(0x2e4) * framelength 2024(0x7e8) * grabwindow_width 2592 * grabwindow_height 1944 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_2592x1944_regs[] = { <------>{0x3501, 0x7e}, <------>{0x366e, 0x18}, <------>{0x3800, 0x00}, <------>{0x3801, 0x00}, <------>{0x3802, 0x00}, <------>{0x3803, 0x04}, <------>{0x3804, 0x0a}, <------>{0x3805, 0x3f}, <------>{0x3806, 0x07}, <------>{0x3807, 0xab}, <------>{0x3808, 0x0a}, <------>{0x3809, 0x20}, <------>{0x380a, 0x07}, <------>{0x380b, 0x98}, <------>{0x380c, 0x02}, <------>{0x380d, 0xe4}, <------>{0x380e, 0x07}, <------>{0x380f, 0xe8}, <------>{0x3811, 0x06}, <------>{0x3813, 0x08}, <------>{0x3814, 0x01}, <------>{0x3816, 0x01}, <------>{0x3817, 0x01}, <------>{0x3820, 0x88}, <------>{0x3821, 0x00}, <------>{0x4501, 0x00}, <------>{0x4008, 0x04}, <------>{0x4009, 0x13}, <------>{REG_NULL, 0x00}, }; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1920 * grabwindow_height 1080 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1920x1080_regs[] = { <------>{0x3501, 0x45}, <------>{0x366e, 0x18}, <------>{0x3800, 0x01}, <------>{0x3801, 0x50}, <------>{0x3802, 0x01}, <------>{0x3803, 0xb8}, <------>{0x3804, 0x08}, <------>{0x3805, 0xef}, <------>{0x3806, 0x05}, <------>{0x3807, 0xf7}, <------>{0x3808, 0x07}, <------>{0x3809, 0x80}, <------>{0x380a, 0x04}, <------>{0x380b, 0x38}, <------>{0x380c, 0x02}, <------>{0x380d, 0xa0}, <------>{0x380e, 0x08}, <------>{0x380f, 0xb8}, <------>{0x3811, 0x06}, <------>{0x3813, 0x04}, <------>{0x3814, 0x01}, <------>{0x3816, 0x01}, <------>{0x3817, 0x01}, <------>{0x3820, 0x88}, <------>{0x3821, 0x00}, <------>{0x4501, 0x00}, <------>{0x4008, 0x04}, <------>{0x4009, 0x13}, <------>{REG_NULL, 0x00} }; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 740(0x02e4) * framelength 1012(0x03f4) * grabwindow_width 1296 * grabwindow_height 972 * max_framerate 60fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1296x972_regs[] = { <------>{0x3501, 0x3e}, <------>{0x3611, 0x58}, <------>{0x3706, 0x24}, <------>{0x3714, 0x27}, <------>{0x3716, 0x00}, <------>{0x3717, 0x02}, <------>{0x37c3, 0xf0}, <------>{0x380d, 0xe4}, <------>{0x380e, 0x03}, <------>{0x380f, 0xf4}, <------>{0x3811, 0x00}, <------>{0x5000, 0x13}, <------>{REG_NULL, 0x00} }; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 2232(0x8b8) * grabwindow_width 1280 * grabwindow_height 720 * max_framerate 30fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_1280x720_regs[] = { <------>{0x3501, 0x45}, <------>{0x366e, 0x0c}, <------>{0x3800, 0x00}, <------>{0x3801, 0x00}, <------>{0x3802, 0x01}, <------>{0x3803, 0x00}, <------>{0x3804, 0x0a}, <------>{0x3805, 0x3f}, <------>{0x3806, 0x06}, <------>{0x3807, 0xaf}, <------>{0x3808, 0x05}, <------>{0x3809, 0x00}, <------>{0x380a, 0x02}, <------>{0x380b, 0xd0}, <------>{0x380c, 0x02}, <------>{0x380d, 0xa0}, <------>{0x380e, 0x08}, <------>{0x380f, 0xb8}, <------>{0x3811, 0x06}, <------>{0x3813, 0x02}, <------>{0x3814, 0x03}, <------>{0x3816, 0x03}, <------>{0x3817, 0x01}, <------>{0x3820, 0x8b}, <------>{0x3821, 0x01}, <------>{0x4501, 0x00}, <------>{0x4008, 0x02}, <------>{0x4009, 0x09}, <------>{REG_NULL, 0x00} }; /* * Xclk 24Mhz * Pclk 45Mhz * linelength 672(0x2a0) * framelength 558(0x22e) * grabwindow_width 640 * grabwindow_height 480 * max_framerate 120fps * mipi_datarate per lane 840Mbps */ static const struct regval ov5695_640x480_regs[] = { <------>{0x3501, 0x22}, <------>{0x366e, 0x0c}, <------>{0x3800, 0x00}, <------>{0x3801, 0x00}, <------>{0x3802, 0x00}, <------>{0x3803, 0x08}, <------>{0x3804, 0x0a}, <------>{0x3805, 0x3f}, <------>{0x3806, 0x07}, <------>{0x3807, 0xa7}, <------>{0x3808, 0x02}, <------>{0x3809, 0x80}, <------>{0x380a, 0x01}, <------>{0x380b, 0xe0}, <------>{0x380c, 0x02}, <------>{0x380d, 0xa0}, <------>{0x380e, 0x02}, <------>{0x380f, 0x2e}, <------>{0x3811, 0x06}, <------>{0x3813, 0x04}, <------>{0x3814, 0x07}, <------>{0x3816, 0x05}, <------>{0x3817, 0x03}, <------>{0x3820, 0x8d}, <------>{0x3821, 0x01}, <------>{0x4501, 0x00}, <------>{0x4008, 0x02}, <------>{0x4009, 0x09}, <------>{REG_NULL, 0x00} }; static const struct ov5695_mode supported_modes[] = { <------>{ <------><------>.width = 2592, <------><------>.height = 1944, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 300000, <------><------>}, <------><------>.exp_def = 0x0450, <------><------>.hts_def = 0x02e4 * 4, <------><------>.vts_def = 0x07e8, <------><------>.reg_list = ov5695_2592x1944_regs, <------>}, <------>{ <------><------>.width = 1920, <------><------>.height = 1080, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 300000, <------><------>}, <------><------>.exp_def = 0x0450, <------><------>.hts_def = 0x02a0 * 4, <------><------>.vts_def = 0x08b8, <------><------>.reg_list = ov5695_1920x1080_regs, <------>}, <------>{ <------><------>.width = 1296, <------><------>.height = 972, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 600000, <------><------>}, <------><------>.exp_def = 0x03e0, <------><------>.hts_def = 0x02e4 * 4, <------><------>.vts_def = 0x03f4, <------><------>.reg_list = ov5695_1296x972_regs, <------>}, <------>{ <------><------>.width = 1280, <------><------>.height = 720, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 300000, <------><------>}, <------><------>.exp_def = 0x0450, <------><------>.hts_def = 0x02a0 * 4, <------><------>.vts_def = 0x08b8, <------><------>.reg_list = ov5695_1280x720_regs, <------>}, <------>{ <------><------>.width = 640, <------><------>.height = 480, <------><------>.max_fps = { <------><------><------>.numerator = 10000, <------><------><------>.denominator = 1200000, <------><------>}, <------><------>.exp_def = 0x0200, <------><------>.hts_def = 0x02a0 * 4, <------><------>.vts_def = 0x022e, <------><------>.reg_list = ov5695_640x480_regs, <------>}, }; #define OV5695_LINK_FREQ_420MHZ 420000000 static const s64 link_freq_menu_items[] = { <------>OV5695_LINK_FREQ_420MHZ }; static const char * const ov5695_test_pattern_menu[] = { <------>"Disabled", <------>"Vertical Color Bar Type 1", <------>"Vertical Color Bar Type 2", <------>"Vertical Color Bar Type 3", <------>"Vertical Color Bar Type 4" }; /* Write registers up to 4 at a time */ static int ov5695_write_reg(struct i2c_client *client, u16 reg, <------><------><------> u32 len, u32 val) { <------>u32 buf_i, val_i; <------>u8 buf[6]; <------>u8 *val_p; <------>__be32 val_be; <------>if (len > 4) <------><------>return -EINVAL; <------>buf[0] = reg >> 8; <------>buf[1] = reg & 0xff; <------>val_be = cpu_to_be32(val); <------>val_p = (u8 *)&val_be; <------>buf_i = 2; <------>val_i = 4 - len; <------>while (val_i < 4) <------><------>buf[buf_i++] = val_p[val_i++]; <------>if (i2c_master_send(client, buf, len + 2) != len + 2) <------><------>return -EIO; <------>return 0; } static int ov5695_write_array(struct i2c_client *client, <------><------><------> const struct regval *regs) { <------>u8 *data; <------>u32 i, j = 0, k = 0; <------>int ret = 0; <------>struct i2c_msg *msg; <------>msg = kmalloc((sizeof(struct i2c_msg) * I2C_MSG_MAX), <------><------>GFP_KERNEL); <------>if (!msg) <------><------>return -ENOMEM; <------>data = kmalloc((sizeof(unsigned char) * I2C_DATA_MAX), <------><------>GFP_KERNEL); <------>if (!data) { <------><------>kfree(msg); <------><------>return -ENOMEM; <------>} <------>for (i = 0; regs[i].addr != REG_NULL; i++) { <------><------>(msg + j)->addr = client->addr; <------><------>(msg + j)->flags = I2C_M_WR; <------><------>(msg + j)->buf = (data + k); <------><------>data[k + 0] = (u8)(regs[i].addr >> 8); <------><------>data[k + 1] = (u8)(regs[i].addr & 0xFF); <------><------>data[k + 2] = (u8)(regs[i].val & 0xFF); <------><------>k = k + 3; <------><------>(msg + j)->len = 3; <------><------>if (j++ == (I2C_MSG_MAX - 1)) { <------><------><------>ret = i2c_transfer(client->adapter, msg, j); <------><------><------>if (ret < 0) { <------><------><------><------>kfree(msg); <------><------><------><------>kfree(data); <------><------><------><------>return ret; <------><------><------>} <------><------><------>j = 0; <------><------><------>k = 0; <------><------>} <------>} <------>if (j != 0) { <------><------>ret = i2c_transfer(client->adapter, msg, j); <------><------>if (ret < 0) { <------><------><------>kfree(msg); <------><------><------>kfree(data); <------><------><------>return ret; <------><------>} <------>} <------>kfree(msg); <------>kfree(data); <------>return 0; } /* Read registers up to 4 at a time */ static int ov5695_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 ov5695_get_reso_dist(const struct ov5695_mode *mode, <------><------><------><------>struct v4l2_mbus_framefmt *framefmt) { <------>return abs(mode->width - framefmt->width) + <------> abs(mode->height - framefmt->height); } static const struct ov5695_mode * ov5695_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; <------>int i; <------>for (i = 0; i < ARRAY_SIZE(supported_modes); i++) { <------><------>dist = ov5695_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 ov5695_set_fmt(struct v4l2_subdev *sd, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>const struct ov5695_mode *mode; <------>s64 h_blank, vblank_def; <------>mutex_lock(&ov5695->mutex); <------>mode = ov5695_find_best_fit(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(&ov5695->mutex); <------><------>return -ENOTTY; #endif <------>} else { <------><------>ov5695->cur_mode = mode; <------><------>h_blank = mode->hts_def - mode->width; <------><------>__v4l2_ctrl_modify_range(ov5695->hblank, h_blank, <------><------><------><------><------> h_blank, 1, h_blank); <------><------>vblank_def = mode->vts_def - mode->height; <------><------>__v4l2_ctrl_modify_range(ov5695->vblank, vblank_def, <------><------><------><------><------> OV5695_VTS_MAX - mode->height, <------><------><------><------><------> 1, vblank_def); <------>} <------>mutex_unlock(&ov5695->mutex); <------>return 0; } static int ov5695_get_fmt(struct v4l2_subdev *sd, <------><------><------> struct v4l2_subdev_pad_config *cfg, <------><------><------> struct v4l2_subdev_format *fmt) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>const struct ov5695_mode *mode = ov5695->cur_mode; <------>mutex_lock(&ov5695->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(&ov5695->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; <------>} <------>mutex_unlock(&ov5695->mutex); <------>return 0; } static int ov5695_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 ov5695_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 int ov5695_enable_test_pattern(struct ov5695 *ov5695, u32 pattern) { <------>u32 val; <------>if (pattern) <------><------>val = (pattern - 1) | OV5695_TEST_PATTERN_ENABLE; <------>else <------><------>val = OV5695_TEST_PATTERN_DISABLE; <------>return ov5695_write_reg(ov5695->client, OV5695_REG_TEST_PATTERN, <------><------><------><------>OV5695_REG_VALUE_08BIT, val); } static int ov5695_g_frame_interval(struct v4l2_subdev *sd, <------><------><------><------> struct v4l2_subdev_frame_interval *fi) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>const struct ov5695_mode *mode = ov5695->cur_mode; <------>mutex_lock(&ov5695->mutex); <------>fi->interval = mode->max_fps; <------>mutex_unlock(&ov5695->mutex); <------>return 0; } static void ov5695_get_module_inf(struct ov5695 *ov5695, <------><------><------><------> struct rkmodule_inf *inf) { <------>memset(inf, 0, sizeof(*inf)); <------>strscpy(inf->base.sensor, OV5695_NAME, sizeof(inf->base.sensor)); <------>strscpy(inf->base.module, ov5695->module_name, <------><------>sizeof(inf->base.module)); <------>strscpy(inf->base.lens, ov5695->len_name, sizeof(inf->base.lens)); } static long ov5695_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>long ret = 0; <------>u32 stream = 0; <------>switch (cmd) { <------>case RKMODULE_GET_MODULE_INFO: <------><------>ov5695_get_module_inf(ov5695, (struct rkmodule_inf *)arg); <------><------>break; <------>case RKMODULE_SET_QUICK_STREAM: <------><------>stream = *((u32 *)arg); <------><------>if (stream) <------><------><------>ret = ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, <------><------><------><------>OV5695_REG_VALUE_08BIT, OV5695_MODE_STREAMING); <------><------>else <------><------><------>ret = ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, <------><------><------><------>OV5695_REG_VALUE_08BIT, OV5695_MODE_SW_STANDBY); <------><------>break; <------>default: <------><------>ret = -ENOIOCTLCMD; <------><------>break; <------>} <------>return ret; } #ifdef CONFIG_COMPAT static long ov5695_compat_ioctl32(struct v4l2_subdev *sd, <------><------><------><------> unsigned int cmd, unsigned long arg) { <------>void __user *up = compat_ptr(arg); <------>struct rkmodule_inf *inf; <------>struct rkmodule_awb_cfg *cfg; <------>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 = ov5695_ioctl(sd, cmd, inf); <------><------>if (!ret) { <------><------><------>ret = copy_to_user(up, inf, sizeof(*inf)); <------><------><------>if (ret) <------><------><------><------>ret = -EFAULT; <------><------>} <------><------>kfree(inf); <------><------>break; <------>case RKMODULE_AWB_CFG: <------><------>cfg = kzalloc(sizeof(*cfg), GFP_KERNEL); <------><------>if (!cfg) { <------><------><------>ret = -ENOMEM; <------><------><------>return ret; <------><------>} <------><------>ret = copy_from_user(cfg, up, sizeof(*cfg)); <------><------>if (!ret) <------><------><------>ret = ov5695_ioctl(sd, cmd, cfg); <------><------>else <------><------><------>ret = -EFAULT; <------><------>kfree(cfg); <------><------>break; <------>case RKMODULE_SET_QUICK_STREAM: <------><------>ret = copy_from_user(&stream, up, sizeof(u32)); <------><------>if (!ret) <------><------><------>ret = ov5695_ioctl(sd, cmd, &stream); <------><------>else <------><------><------>ret = -EFAULT; <------><------>break; <------>default: <------><------>ret = -ENOIOCTLCMD; <------><------>break; <------>} <------>return ret; } #endif static int __ov5695_start_stream(struct ov5695 *ov5695) { <------>int ret; <------>ret = ov5695_write_array(ov5695->client, ov5695->cur_mode->reg_list); <------>if (ret) <------><------>return ret; <------>/* In case these controls are set before streaming */ <------>mutex_unlock(&ov5695->mutex); <------>ret = v4l2_ctrl_handler_setup(&ov5695->ctrl_handler); <------>mutex_lock(&ov5695->mutex); <------>if (ret) <------><------>return ret; <------>return ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, <------><------><------><------>OV5695_REG_VALUE_08BIT, OV5695_MODE_STREAMING); } static int __ov5695_stop_stream(struct ov5695 *ov5695) { <------>return ov5695_write_reg(ov5695->client, OV5695_REG_CTRL_MODE, <------><------><------><------>OV5695_REG_VALUE_08BIT, OV5695_MODE_SW_STANDBY); } static int ov5695_s_stream(struct v4l2_subdev *sd, int on) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>struct i2c_client *client = ov5695->client; <------>int ret = 0; <------>mutex_lock(&ov5695->mutex); <------>on = !!on; <------>if (on == ov5695->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 = __ov5695_start_stream(ov5695); <------><------>if (ret) { <------><------><------>v4l2_err(sd, "start stream failed while write regs\n"); <------><------><------>pm_runtime_put(&client->dev); <------><------><------>goto unlock_and_return; <------><------>} <------>} else { <------><------>__ov5695_stop_stream(ov5695); <------><------>pm_runtime_put(&client->dev); <------>} <------>ov5695->streaming = on; unlock_and_return: <------>mutex_unlock(&ov5695->mutex); <------>return ret; } static int ov5695_s_power(struct v4l2_subdev *sd, int on) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>struct i2c_client *client = ov5695->client; <------>int ret = 0; <------>mutex_lock(&ov5695->mutex); <------>/* If the power state is not modified - no work to do. */ <------>if (ov5695->power_on == !!on) <------><------>goto unlock_and_return; <------>if (on) { <------><------>ret = pm_runtime_get_sync(&client->dev); <------><------>if (ret < 0) { <------><------><------>pm_runtime_put_noidle(&client->dev); <------><------><------>goto unlock_and_return; <------><------>} <------><------>ret = ov5695_write_array(ov5695->client, ov5695_global_regs); <------><------>if (ret) { <------><------><------>v4l2_err(sd, "could not set init registers\n"); <------><------><------>pm_runtime_put_noidle(&client->dev); <------><------><------>goto unlock_and_return; <------><------>} <------><------>ov5695->power_on = true; <------>} else { <------><------>pm_runtime_put(&client->dev); <------><------>ov5695->power_on = false; <------>} unlock_and_return: <------>mutex_unlock(&ov5695->mutex); <------>return ret; } /* Calculate the delay in us by clock rate and clock cycles */ static inline u32 ov5695_cal_delay(u32 cycles) { <------>return DIV_ROUND_UP(cycles, OV5695_XVCLK_FREQ / 1000 / 1000); } static int __ov5695_power_on(struct ov5695 *ov5695) { <------>int ret; <------>u32 delay_us; <------>struct device *dev = &ov5695->client->dev; <------>ret = clk_set_rate(ov5695->xvclk, OV5695_XVCLK_FREQ); <------>if (ret < 0) { <------><------>dev_err(dev, "Failed to set xvclk rate (24MHz)\n"); <------><------>return ret; <------>} <------>if (clk_get_rate(ov5695->xvclk) != OV5695_XVCLK_FREQ) <------><------>dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n"); <------>ret = clk_prepare_enable(ov5695->xvclk); <------>if (ret < 0) { <------><------>dev_err(dev, "Failed to enable xvclk\n"); <------><------>return ret; <------>} <------>if (!IS_ERR(ov5695->reset_gpio)) <------><------>gpiod_set_value_cansleep(ov5695->reset_gpio, 1); <------>ret = regulator_bulk_enable(OV5695_NUM_SUPPLIES, ov5695->supplies); <------>if (ret < 0) { <------><------>dev_err(dev, "Failed to enable regulators\n"); <------><------>goto disable_clk; <------>} <------>if (!IS_ERR(ov5695->reset_gpio)) <------><------>gpiod_set_value_cansleep(ov5695->reset_gpio, 0); <------>if (!IS_ERR(ov5695->pwdn_gpio)) <------><------>gpiod_set_value_cansleep(ov5695->pwdn_gpio, 1); <------>/* 8192 cycles prior to first SCCB transaction */ <------>delay_us = ov5695_cal_delay(8192); <------>usleep_range(delay_us, delay_us * 2); <------>return 0; disable_clk: <------>clk_disable_unprepare(ov5695->xvclk); <------>return ret; } static void __ov5695_power_off(struct ov5695 *ov5695) { <------>if (!IS_ERR(ov5695->pwdn_gpio)) <------><------>gpiod_set_value_cansleep(ov5695->pwdn_gpio, 0); <------>clk_disable_unprepare(ov5695->xvclk); <------>if (!IS_ERR(ov5695->reset_gpio)) <------><------>gpiod_set_value_cansleep(ov5695->reset_gpio, 1); <------>regulator_bulk_disable(OV5695_NUM_SUPPLIES, ov5695->supplies); } static int ov5695_runtime_resume(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>return __ov5695_power_on(ov5695); } static int ov5695_runtime_suspend(struct device *dev) { <------>struct i2c_client *client = to_i2c_client(dev); <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>__ov5695_power_off(ov5695); <------>return 0; } #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static int ov5695_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) { <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>struct v4l2_mbus_framefmt *try_fmt = <------><------><------><------>v4l2_subdev_get_try_format(sd, fh->pad, 0); <------>const struct ov5695_mode *def_mode = &supported_modes[0]; <------>mutex_lock(&ov5695->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(&ov5695->mutex); <------>/* No crop or compose */ <------>return 0; } #endif static int ov5695_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 != MEDIA_BUS_FMT_SBGGR10_1X10) <------><------>return -EINVAL; <------>fie->width = supported_modes[fie->index].width; <------>fie->height = supported_modes[fie->index].height; <------>fie->interval = supported_modes[fie->index].max_fps; <------>return 0; } static int ov5695_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id, <------><------><------><------>struct v4l2_mbus_config *config) { <------>u32 val = 0; <------>val = 1 << (OV5695_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 ov5695_pm_ops = { <------>SET_RUNTIME_PM_OPS(ov5695_runtime_suspend, <------><------><------> ov5695_runtime_resume, NULL) }; #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API static const struct v4l2_subdev_internal_ops ov5695_internal_ops = { <------>.open = ov5695_open, }; #endif static const struct v4l2_subdev_core_ops ov5695_core_ops = { <------>.s_power = ov5695_s_power, <------>.ioctl = ov5695_ioctl, #ifdef CONFIG_COMPAT <------>.compat_ioctl32 = ov5695_compat_ioctl32, #endif }; static const struct v4l2_subdev_video_ops ov5695_video_ops = { <------>.s_stream = ov5695_s_stream, <------>.g_frame_interval = ov5695_g_frame_interval, }; static const struct v4l2_subdev_pad_ops ov5695_pad_ops = { <------>.enum_mbus_code = ov5695_enum_mbus_code, <------>.enum_frame_size = ov5695_enum_frame_sizes, <------>.enum_frame_interval = ov5695_enum_frame_interval, <------>.get_fmt = ov5695_get_fmt, <------>.set_fmt = ov5695_set_fmt, <------>.get_mbus_config = ov5695_g_mbus_config, }; static const struct v4l2_subdev_ops ov5695_subdev_ops = { <------>.core = &ov5695_core_ops, <------>.video = &ov5695_video_ops, <------>.pad = &ov5695_pad_ops, }; static int ov5695_set_ctrl(struct v4l2_ctrl *ctrl) { <------>struct ov5695 *ov5695 = container_of(ctrl->handler, <------><------><------><------><------> struct ov5695, ctrl_handler); <------>struct i2c_client *client = ov5695->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 = ov5695->cur_mode->height + ctrl->val - 4; <------><------>__v4l2_ctrl_modify_range(ov5695->exposure, <------><------><------><------><------> ov5695->exposure->minimum, max, <------><------><------><------><------> ov5695->exposure->step, <------><------><------><------><------> ov5695->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 = ov5695_write_reg(ov5695->client, OV5695_REG_EXPOSURE, <------><------><------><------> OV5695_REG_VALUE_24BIT, ctrl->val << 4); <------><------>break; <------>case V4L2_CID_ANALOGUE_GAIN: <------><------>ret = ov5695_write_reg(ov5695->client, OV5695_REG_ANALOG_GAIN, <------><------><------><------> OV5695_REG_VALUE_08BIT, ctrl->val); <------><------>break; <------>case V4L2_CID_DIGITAL_GAIN: <------><------>ret = ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_L, <------><------><------><------> OV5695_REG_VALUE_08BIT, <------><------><------><------> ctrl->val & OV5695_DIGI_GAIN_L_MASK); <------><------>ret |= ov5695_write_reg(ov5695->client, OV5695_REG_DIGI_GAIN_H, <------><------><------><------> OV5695_REG_VALUE_08BIT, <------><------><------><------> ctrl->val >> OV5695_DIGI_GAIN_H_SHIFT); <------><------>break; <------>case V4L2_CID_VBLANK: <------><------>ret = ov5695_write_reg(ov5695->client, OV5695_REG_VTS, <------><------><------><------> OV5695_REG_VALUE_16BIT, <------><------><------><------> ctrl->val + ov5695->cur_mode->height); <------><------>break; <------>case V4L2_CID_TEST_PATTERN: <------><------>ret = ov5695_enable_test_pattern(ov5695, 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 ov5695_ctrl_ops = { <------>.s_ctrl = ov5695_set_ctrl, }; static int ov5695_initialize_controls(struct ov5695 *ov5695) { <------>const struct ov5695_mode *mode; <------>struct v4l2_ctrl_handler *handler; <------>struct v4l2_ctrl *ctrl; <------>s64 exposure_max, vblank_def; <------>u32 h_blank; <------>int ret; <------>handler = &ov5695->ctrl_handler; <------>mode = ov5695->cur_mode; <------>ret = v4l2_ctrl_handler_init(handler, 8); <------>if (ret) <------><------>return ret; <------>handler->lock = &ov5695->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, OV5695_PIXEL_RATE, 1, OV5695_PIXEL_RATE); <------>h_blank = mode->hts_def - mode->width; <------>ov5695->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK, <------><------><------><------>h_blank, h_blank, 1, h_blank); <------>if (ov5695->hblank) <------><------>ov5695->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; <------>vblank_def = mode->vts_def - mode->height; <------>ov5695->vblank = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, <------><------><------><------>V4L2_CID_VBLANK, vblank_def, <------><------><------><------>OV5695_VTS_MAX - mode->height, <------><------><------><------>1, vblank_def); <------>exposure_max = mode->vts_def - 4; <------>ov5695->exposure = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, <------><------><------><------>V4L2_CID_EXPOSURE, OV5695_EXPOSURE_MIN, <------><------><------><------>exposure_max, OV5695_EXPOSURE_STEP, <------><------><------><------>mode->exp_def); <------>ov5695->anal_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, <------><------><------><------>V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN, <------><------><------><------>ANALOG_GAIN_MAX, ANALOG_GAIN_STEP, <------><------><------><------>ANALOG_GAIN_DEFAULT); <------>/* Digital gain */ <------>ov5695->digi_gain = v4l2_ctrl_new_std(handler, &ov5695_ctrl_ops, <------><------><------><------>V4L2_CID_DIGITAL_GAIN, OV5695_DIGI_GAIN_MIN, <------><------><------><------>OV5695_DIGI_GAIN_MAX, OV5695_DIGI_GAIN_STEP, <------><------><------><------>OV5695_DIGI_GAIN_DEFAULT); <------>ov5695->test_pattern = v4l2_ctrl_new_std_menu_items(handler, <------><------><------><------>&ov5695_ctrl_ops, V4L2_CID_TEST_PATTERN, <------><------><------><------>ARRAY_SIZE(ov5695_test_pattern_menu) - 1, <------><------><------><------>0, 0, ov5695_test_pattern_menu); <------>if (handler->error) { <------><------>ret = handler->error; <------><------>dev_err(&ov5695->client->dev, <------><------><------>"Failed to init controls(%d)\n", ret); <------><------>goto err_free_handler; <------>} <------>ov5695->subdev.ctrl_handler = handler; <------>return 0; err_free_handler: <------>v4l2_ctrl_handler_free(handler); <------>return ret; } static int ov5695_check_sensor_id(struct ov5695 *ov5695, <------><------><------><------> struct i2c_client *client) { <------>struct device *dev = &ov5695->client->dev; <------>u32 id = 0; <------>int ret; <------>ret = ov5695_read_reg(client, OV5695_REG_CHIP_ID, <------><------><------> OV5695_REG_VALUE_24BIT, &id); <------>if (id != CHIP_ID) { <------><------>dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret); <------><------>return -ENODEV; <------>} <------>dev_info(dev, "Detected OV%06x sensor\n", CHIP_ID); <------>return 0; } static int ov5695_configure_regulators(struct ov5695 *ov5695) { <------>int i; <------>for (i = 0; i < OV5695_NUM_SUPPLIES; i++) <------><------>ov5695->supplies[i].supply = ov5695_supply_names[i]; <------>return devm_regulator_bulk_get(&ov5695->client->dev, <------><------><------><------> OV5695_NUM_SUPPLIES, <------><------><------><------> ov5695->supplies); } static int ov5695_probe(struct i2c_client *client, <------><------><------>const struct i2c_device_id *id) { <------>struct device *dev = &client->dev; <------>struct device_node *node = dev->of_node; <------>struct ov5695 *ov5695; <------>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); <------>ov5695 = devm_kzalloc(dev, sizeof(*ov5695), GFP_KERNEL); <------>if (!ov5695) <------><------>return -ENOMEM; <------>ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX, <------><------><------><------> &ov5695->module_index); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING, <------><------><------><------> &ov5695->module_facing); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME, <------><------><------><------> &ov5695->module_name); <------>ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME, <------><------><------><------> &ov5695->len_name); <------>if (ret) { <------><------>dev_err(dev, "could not get module information!\n"); <------><------>return -EINVAL; <------>} <------>ov5695->client = client; <------>ov5695->cur_mode = &supported_modes[0]; <------>ov5695->xvclk = devm_clk_get(dev, "xvclk"); <------>if (IS_ERR(ov5695->xvclk)) { <------><------>dev_err(dev, "Failed to get xvclk\n"); <------><------>return -EINVAL; <------>} <------>ov5695->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); <------>if (IS_ERR(ov5695->reset_gpio)) { <------><------>dev_warn(dev, "Failed to get reset-gpios\n"); <------>} <------>ov5695->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW); <------>if (IS_ERR(ov5695->pwdn_gpio)) <------><------>dev_warn(dev, "Failed to get pwdn-gpios\n"); <------>ret = ov5695_configure_regulators(ov5695); <------>if (ret) { <------><------>dev_err(dev, "Failed to get power regulators\n"); <------><------>return ret; <------>} <------>mutex_init(&ov5695->mutex); <------>sd = &ov5695->subdev; <------>v4l2_i2c_subdev_init(sd, client, &ov5695_subdev_ops); <------>ret = ov5695_initialize_controls(ov5695); <------>if (ret) <------><------>goto err_destroy_mutex; <------>ret = __ov5695_power_on(ov5695); <------>if (ret) <------><------>goto err_free_handler; <------>ret = ov5695_check_sensor_id(ov5695, client); <------>if (ret) <------><------>goto err_power_off; #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API <------>sd->internal_ops = &ov5695_internal_ops; <------>sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | <------><------> V4L2_SUBDEV_FL_HAS_EVENTS; #endif #if defined(CONFIG_MEDIA_CONTROLLER) <------>ov5695->pad.flags = MEDIA_PAD_FL_SOURCE; <------>sd->entity.function = MEDIA_ENT_F_CAM_SENSOR; <------>ret = media_entity_pads_init(&sd->entity, 1, &ov5695->pad); <------>if (ret < 0) <------><------>goto err_power_off; #endif <------>memset(facing, 0, sizeof(facing)); <------>if (strcmp(ov5695->module_facing, "back") == 0) <------><------>facing[0] = 'b'; <------>else <------><------>facing[0] = 'f'; <------>snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s", <------><------> ov5695->module_index, facing, <------><------> OV5695_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: <------>__ov5695_power_off(ov5695); err_free_handler: <------>v4l2_ctrl_handler_free(&ov5695->ctrl_handler); err_destroy_mutex: <------>mutex_destroy(&ov5695->mutex); <------>return ret; } static int ov5695_remove(struct i2c_client *client) { <------>struct v4l2_subdev *sd = i2c_get_clientdata(client); <------>struct ov5695 *ov5695 = to_ov5695(sd); <------>v4l2_async_unregister_subdev(sd); #if defined(CONFIG_MEDIA_CONTROLLER) <------>media_entity_cleanup(&sd->entity); #endif <------>v4l2_ctrl_handler_free(&ov5695->ctrl_handler); <------>mutex_destroy(&ov5695->mutex); <------>pm_runtime_disable(&client->dev); <------>if (!pm_runtime_status_suspended(&client->dev)) <------><------>__ov5695_power_off(ov5695); <------>pm_runtime_set_suspended(&client->dev); <------>return 0; } #if IS_ENABLED(CONFIG_OF) static const struct of_device_id ov5695_of_match[] = { <------>{ .compatible = "ovti,ov5695" }, <------>{}, }; MODULE_DEVICE_TABLE(of, ov5695_of_match); #endif static const struct i2c_device_id ov5695_match_id[] = { <------>{ "ovti,ov5695", 0 }, <------>{ }, }; static struct i2c_driver ov5695_i2c_driver = { <------>.driver = { <------><------>.name = OV5695_NAME, <------><------>.pm = &ov5695_pm_ops, <------><------>.of_match_table = of_match_ptr(ov5695_of_match), <------>}, <------>.probe = &ov5695_probe, <------>.remove = &ov5695_remove, <------>.id_table = ov5695_match_id, }; static int __init sensor_mod_init(void) { <------>return i2c_add_driver(&ov5695_i2c_driver); } static void __exit sensor_mod_exit(void) { <------>i2c_del_driver(&ov5695_i2c_driver); } device_initcall_sync(sensor_mod_init); module_exit(sensor_mod_exit); MODULE_DESCRIPTION("OmniVision ov5695 sensor driver"); MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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