nathan/CoolPi-Armbian-Rockchip-RK3588-Upstream-Linux-6.1-LTS-Kernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
CoolPi-Armbian-Rockchip-RK3.../drivers/media/i2c/imx317.c

1669 lines
38 KiB
C
Raw Blame History

// SPDX-License-Identifier: GPL-2.0
/*
* imx317 driver
*
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X01 add poweron function.
* V0.0X01.0X02 fix mclk issue when probe multiple camera.
* V0.0X01.0X03 add enum_frame_interval function.
* V0.0X01.0X04 adjust exposue and gain control issues.
* V0.0X01.0X05 add quick stream on/off
* V0.0X01.0X06 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>
#include <linux/pinctrl/consumer.h>
#include <linux/of.h>
#include <linux/of_graph.h>
#include <media/v4l2-fwnode.h>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x06)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define MIPI_FREQ 360000000U
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
#define IMX317_PIXEL_RATE (MIPI_FREQ * 2LL * 4LL / 10LL)
#define IMX317_XVCLK_FREQ 24000000
#define CHIP_ID 0x00
#define IMX317_REG_CHIP_ID 0x0000
#define IMX317_REG_CTRL_MODE 0x3000
#define IMX317_MODE_SW_STANDBY 0x12
#define IMX317_MODE_STREAMING 0x00
#define IMX317_REG_EXPOSURE_H 0x300D
#define IMX317_REG_EXPOSURE_L 0x300C
#define IMX317_EXPOSURE_MIN 12
#define IMX317_EXPOSURE_STEP 1
#define IMX317_VTS_MAX 0x7fff
#define IMX317_REG_GAIN_H 0x300B
#define IMX317_REG_GAIN_L 0x300A
#define IMX317_GAIN_H_MASK 0x07
#define IMX317_GAIN_H_SHIFT 8
#define IMX317_GAIN_L_MASK 0xFF
#define IMX317_GAIN_MIN 0x80
#define IMX317_GAIN_MAX (22U * IMX317_GAIN_MIN)
#define IMX317_GAIN_STEP 1
#define IMX317_GAIN_DEFAULT (20U * IMX317_GAIN_MIN)
#define IMX317_REG_VTS_H 0x30FA
#define IMX317_REG_VTS_M 0x30F9
#define IMX317_REG_VTS_L 0x30F8
#define REG_NULL 0xFFFF
#define REG_DELAY 0xFFFE
#define IMX317_REG_VALUE_08BIT 1
#define IMX317_REG_VALUE_16BIT 2
#define IMX317_REG_VALUE_24BIT 3
#define IMX317_LANES 2
#define IMX317_BITS_PER_SAMPLE 10
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define IMX317_NAME "imx317"
#define IMX317_MEDIA_BUS_FMT MEDIA_BUS_FMT_SRGGB10_1X10
static const struct regval *imx317_global_regs;
static const char * const imx317_supply_names[] = {
"avdd", /* Analog power */
"dovdd", /* Digital I/O power */
"dvdd", /* Digital core power */
};
#define IMX317_NUM_SUPPLIES ARRAY_SIZE(imx317_supply_names)
struct regval {
u16 addr;
u8 val;
};
struct imx317_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 imx317 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct gpio_desc *pwdn_gpio;
struct gpio_desc *power_gpio;
struct regulator_bulk_data supplies[IMX317_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 *link_freq;
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 imx317_mode *cur_mode;
unsigned int lane_num;
unsigned int cfg_num;
unsigned int pixel_rate;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
};
#define to_imx317(sd) container_of(sd, struct imx317, subdev)
/*
* Xclk 24Mhz
*/
static const struct regval imx317_global_regs_2lane[] = {
{0x3000, 0x1f},
{0x303E, 0x02},
{0x3120, 0xF0},
{0x3121, 0x00},
{0x3122, 0x02},
{0x3123, 0x01},
{0x3129, 0x9C},
{0x312A, 0x02},
{0x312D, 0x02},
{0x3AC4, 0x01},
{0x310B, 0x00},
{0x30EE, 0x01},
{0x3304, 0x32},
{0x3306, 0x32},
{0x3590, 0x32},
{0x3686, 0x32},
{0x3045, 0x32},
{0x301A, 0x00},
{0x304C, 0x00},
{0x304D, 0x03},
{0x331C, 0x1A},
{0x3502, 0x02},
{0x3529, 0x0E},
{0x352A, 0x0E},
{0x352B, 0x0E},
{0x3538, 0x0E},
{0x3539, 0x0E},
{0x3553, 0x00},
{0x357D, 0x05},
{0x357F, 0x05},
{0x3581, 0x04},
{0x3583, 0x76},
{0x3587, 0x01},
{0x35BB, 0x0E},
{0x35BC, 0x0E},
{0x35BD, 0x0E},
{0x35BE, 0x0E},
{0x35BF, 0x0E},
{0x366E, 0x00},
{0x366F, 0x00},
{0x3670, 0x00},
{0x3671, 0x00},
{0x3004, 0x01},
{0x3005, 0x01},
{0x3006, 0x00},
{0x3007, 0x02},
{0x300E, 0x00},
{0x300F, 0x00},
{0x3037, 0x00},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x00},
{0x30DD, 0x00},
{0x30DE, 0x00},
{0x30DF, 0x00},
{0x30E0, 0x00},
{0x30E1, 0x00},
{0x30E2, 0x01},
{0x30F6, 0xE0},
{0x30F7, 0x04},
{0x30F8, 0xDA},
{0x30F9, 0x16},
{0x30FA, 0x00},
{0x3130, 0x86},
{0x3131, 0x08},
{0x3132, 0x7E},
{0x3133, 0x08},
{0x3A54, 0x18},
{0x3A55, 0x0F},
{0x3342, 0x0A},
{0x3343, 0x00},
{0x3344, 0x16},
{0x3345, 0x00},
{0x3528, 0x0E},
{0x3554, 0x1F},
{0x3555, 0x01},
{0x3556, 0x01},
{0x3557, 0x01},
{0x3558, 0x01},
{0x3559, 0x00},
{0x355A, 0x00},
{0x35BA, 0x0E},
{0x366A, 0x1B},
{0x366B, 0x1A},
{0x366C, 0x19},
{0x366D, 0x17},
{0x33A6, 0x01},
{0x306B, 0x05},
{0x3A41, 0x08},
{0x3134, 0x77},
{0x3135, 0x00},
{0x3136, 0x67},
{0x3137, 0x00},
{0x3138, 0x37},
{0x3139, 0x00},
{0x313A, 0x37},
{0x313B, 0x00},
{0x313C, 0x37},
{0x313D, 0x00},
{0x313E, 0xDF},
{0x313F, 0x00},
{0x3140, 0x37},
{0x3141, 0x00},
{0x3142, 0x2F},
{0x3143, 0x00},
{0x3144, 0x0F},
{0x3145, 0x00},
{0x3A85, 0x03},
{0x3A86, 0x47},
{0x3A87, 0x00},
{0x3A43, 0x01},
{REG_DELAY, 0x10},
{0x303E, 0x02},
{REG_DELAY, 0x07},
{0x30F4, 0x00},
{0x3018, 0xA2},
{0x300a, 0x9c},
{0x300b, 0x02},
{0x300c, 0x0c},
{0x300d, 0x00},
{0x312e, 0x01}, //CSI_LANE_MODE
{0x3aa2, 0x01}, //PHYSICAL_LANE_NUM
{0x3001, 0x10},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 720Mbps
* 2 lane
*/
static const struct regval imx317_1932x1094_regs_2lane[] = {
{0x3000, 0x1f},
{0x3004, 0x02},
{0x3005, 0x21},
{0x3006, 0x00},
{0x3007, 0x11},
/* crop and scale*/
{0x3037, 0x01},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x0F},
{0x30E2, 0x02},
{0x30F6, 0x76},
{0x30F7, 0x02},
{0x30F8, 0x0a},
{0x30F9, 0x0f},
{0x30FA, 0x00},
{0x3130, 0x4e},
{0x3131, 0x04},
{0x3132, 0x46},
{0x3133, 0x04},
{0x3a54, 0x8c},
{0x3a55, 0x07},
{0x3344, 0x1a},
{0x3554, 0x00},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 720Mbps
* 2 lane
*/
static const struct regval imx317_3864x2174_regs_2lane[] = {
{0x3000, 0x1f},
{0x3004, 0x01},
{0x3005, 0x01},
{0x3006, 0x00},
{0x3007, 0x02},
/* crop and scale*/
{0x3037, 0x00},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x0F},
{0x30E2, 0x01},
{0x30F6, 0xE0},
{0x30F7, 0x04},
{0x30F8, 0xDA},
{0x30F9, 0x16},
{0x30FA, 0x00},
{0x3130, 0x86},
{0x3131, 0x08},
{0x3132, 0x7E},
{0x3133, 0x08},
{0x3A54, 0x18},
{0x3A55, 0x0F},
{0x3344, 0x16},
{0x3554, 0x1F},
{0x3A43, 0x01},
{REG_NULL, 0x00},
};
static const struct regval imx317_global_regs_4lane[] = {
{0x3000, 0x1f},
{0x303E, 0x02},
{0x3120, 0xF0},
{0x3121, 0x00},
{0x3122, 0x02},
{0x3123, 0x01},
{0x3129, 0x9C},
{0x312A, 0x02},
{0x312D, 0x02},
{0x3AC4, 0x01},
{0x310B, 0x00},
{0x30EE, 0x01},
{0x3304, 0x32},
{0x3306, 0x32},
{0x3590, 0x32},
{0x3686, 0x32},
{0x3045, 0x32},
{0x301A, 0x00},
{0x304C, 0x00},
{0x304D, 0x03},
{0x331C, 0x1A},
{0x3502, 0x02},
{0x3529, 0x0E},
{0x352A, 0x0E},
{0x352B, 0x0E},
{0x3538, 0x0E},
{0x3539, 0x0E},
{0x3553, 0x00},
{0x357D, 0x05},
{0x357F, 0x05},
{0x3581, 0x04},
{0x3583, 0x76},
{0x3587, 0x01},
{0x35BB, 0x0E},
{0x35BC, 0x0E},
{0x35BD, 0x0E},
{0x35BE, 0x0E},
{0x35BF, 0x0E},
{0x366E, 0x00},
{0x366F, 0x00},
{0x3670, 0x00},
{0x3671, 0x00},
{0x3004, 0x01},
{0x3005, 0x01},
{0x3006, 0x00},
{0x3007, 0x02},
{0x300E, 0x00},
{0x300F, 0x00},
{0x3037, 0x00},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x00},
{0x30DD, 0x00},
{0x30DE, 0x00},
{0x30DF, 0x00},
{0x30E0, 0x00},
{0x30E1, 0x00},
{0x30E2, 0x01},
{0x30F6, 0x10},
{0x30F7, 0x02},
{0x30F8, 0xc6},
{0x30F9, 0x11},
{0x30FA, 0x00},
{0x3130, 0x86},
{0x3131, 0x08},
{0x3132, 0x7E},
{0x3133, 0x08},
{0x3A54, 0x18},
{0x3A55, 0x0F},
{0x3342, 0x0A},
{0x3343, 0x00},
{0x3344, 0x16},
{0x3345, 0x00},
{0x3528, 0x0E},
{0x3554, 0x1F},
{0x3555, 0x01},
{0x3556, 0x01},
{0x3557, 0x01},
{0x3558, 0x01},
{0x3559, 0x00},
{0x355A, 0x00},
{0x35BA, 0x0E},
{0x366A, 0x1B},
{0x366B, 0x1A},
{0x366C, 0x19},
{0x366D, 0x17},
{0x33A6, 0x01},
{0x306B, 0x05},
{0x3A41, 0x08},
{0x3134, 0x77},
{0x3135, 0x00},
{0x3136, 0x67},
{0x3137, 0x00},
{0x3138, 0x37},
{0x3139, 0x00},
{0x313A, 0x37},
{0x313B, 0x00},
{0x313C, 0x37},
{0x313D, 0x00},
{0x313E, 0xDF},
{0x313F, 0x00},
{0x3140, 0x37},
{0x3141, 0x00},
{0x3142, 0x2F},
{0x3143, 0x00},
{0x3144, 0x0F},
{0x3145, 0x00},
{0x3A85, 0x03},
{0x3A86, 0x47},
{0x3A87, 0x00},
{0x3A43, 0x01},
{REG_DELAY, 0x10},
{0x303E, 0x02},
{REG_DELAY, 0x07},
{0x30F4, 0x00},
{0x3018, 0xA2},
{0x300a, 0x9c},
{0x300b, 0x02},
{0x300c, 0x0c},
{0x300d, 0x00},
{0x312e, 0x03}, //CSI_LANE_MODE
{0x3aa2, 0x03}, //PHYSICAL_LANE_NUM
{0x3001, 0x10},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 720Mbps
* 4 lane
*/
static const struct regval imx317_1932x1094_regs_4lane[] = {
{0x3000, 0x1f},
{0x3004, 0x02},
{0x3005, 0x21},
{0x3006, 0x00},
{0x3007, 0x11},
/* crop and scale*/
{0x3037, 0x01},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x0F},
{0x30E2, 0x02},
{0x30F6, 0x1e},
{0x30F7, 0x01},
{0x30F8, 0xD0},
{0x30F9, 0x20},
{0x30FA, 0x00},
{0x3130, 0x4e},
{0x3131, 0x04},
{0x3132, 0x46},
{0x3133, 0x04},
{0x3a54, 0x8c},
{0x3a55, 0x07},
{0x3344, 0x1a},
{0x3554, 0x00},
{0x3A43, 0x01},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 720Mbps
* 4 lane
*/
static const struct regval imx317_3864x2174_regs_4lane[] = {
{0x3000, 0x1f},
{0x3004, 0x01},
{0x3005, 0x01},
{0x3006, 0x00},
{0x3007, 0x02},
/* crop and scale*/
{0x3037, 0x00},
{0x3038, 0x00},
{0x3039, 0x00},
{0x303A, 0x00},
{0x303B, 0x0F},
{0x30E2, 0x01},
{0x30F6, 0x10},
{0x30F7, 0x02},
{0x30F8, 0xc6},
{0x30F9, 0x11},
{0x30FA, 0x00},
{0x3130, 0x86},
{0x3131, 0x08},
{0x3132, 0x7E},
{0x3133, 0x08},
{0x3A54, 0x18},
{0x3A55, 0x0F},
{0x3344, 0x16},
{0x3554, 0x1F},
{0x3A43, 0x01},
{REG_NULL, 0x00},
};
static const struct imx317_mode supported_modes_2lane[] = {
{
.width = 1920,
.height = 1080,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x000C,
.hts_def = 0x0276,
.vts_def = 0x0f0a,
.reg_list = imx317_1932x1094_regs_2lane,
},
{
.width = 3840,
.height = 2160,
.max_fps = {
.numerator = 10000,
.denominator = 100000,
},
.exp_def = 0x000c,
.hts_def = 0x04E0,
.vts_def = 0x16DA,
.reg_list = imx317_3864x2174_regs_2lane,
},
};
static const struct imx317_mode supported_modes_4lane[] = {
{
.width = 1920,
.height = 1080,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x000c,
.hts_def = 0x011E,
.vts_def = 0x20D0,
.reg_list = imx317_1932x1094_regs_4lane,
},
{
.width = 3840,
.height = 2160,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x000C,
.hts_def = 0x0210,
.vts_def = 0x11C6,
.reg_list = imx317_3864x2174_regs_4lane,
},
};
static const struct imx317_mode *supported_modes;
static const s64 link_freq_menu_items[] = {
MIPI_FREQ,
};
static const char * const imx317_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 imx317_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 imx317_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++) {
if (regs[i].addr == REG_DELAY) {
usleep_range(regs[i].val, 2 * regs[i].val);
} else {
ret = imx317_write_reg(client, regs[i].addr,
IMX317_REG_VALUE_08BIT, regs[i].val);
}
}
return ret;
}
/* Read registers up to 4 at a time */
static int imx317_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 *)&reg_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 imx317_get_reso_dist(const struct imx317_mode *mode,
struct v4l2_mbus_framefmt *framefmt)
{
return abs(mode->width - framefmt->width) +
abs(mode->height - framefmt->height);
}
static const struct imx317_mode *
imx317_find_best_fit(struct imx317 *imx317,
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 < imx317->cfg_num; i++) {
dist = imx317_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 imx317_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx317 *imx317 = to_imx317(sd);
const struct imx317_mode *mode;
s64 h_blank, vblank_def;
mutex_lock(&imx317->mutex);
mode = imx317_find_best_fit(imx317, fmt);
fmt->format.code = IMX317_MEDIA_BUS_FMT;
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.field = V4L2_FIELD_NONE;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
#else
mutex_unlock(&imx317->mutex);
return -ENOTTY;
#endif
} else {
imx317->cur_mode = mode;
h_blank = mode->hts_def;
__v4l2_ctrl_modify_range(imx317->hblank, h_blank,
h_blank, 1, h_blank);
vblank_def = mode->vts_def - mode->height;
__v4l2_ctrl_modify_range(imx317->vblank, vblank_def,
IMX317_VTS_MAX - mode->height,
1, vblank_def);
}
mutex_unlock(&imx317->mutex);
return 0;
}
static int imx317_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx317 *imx317 = to_imx317(sd);
const struct imx317_mode *mode = imx317->cur_mode;
mutex_lock(&imx317->mutex);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
fmt->format = *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
#else
mutex_unlock(&imx317->mutex);
return -ENOTTY;
#endif
} else {
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = IMX317_MEDIA_BUS_FMT;
fmt->format.field = V4L2_FIELD_NONE;
}
mutex_unlock(&imx317->mutex);
return 0;
}
static int imx317_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->index != 0)
return -EINVAL;
code->code = IMX317_MEDIA_BUS_FMT;
return 0;
}
static int imx317_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct imx317 *imx317 = to_imx317(sd);
if (fse->index >= imx317->cfg_num)
return -EINVAL;
if (fse->code != IMX317_MEDIA_BUS_FMT)
return -EINVAL;
fse->min_width = supported_modes[fse->index].width;
fse->max_width = supported_modes[fse->index].width;
fse->max_height = supported_modes[fse->index].height;
fse->min_height = supported_modes[fse->index].height;
return 0;
}
static int imx317_enable_test_pattern(struct imx317 *imx317, u32 pattern)
{
return 0;
}
static int imx317_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct imx317 *imx317 = to_imx317(sd);
const struct imx317_mode *mode = imx317->cur_mode;
fi->interval = mode->max_fps;
return 0;
}
static void imx317_get_module_inf(struct imx317 *imx317,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, IMX317_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, imx317->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, imx317->len_name, sizeof(inf->base.lens));
}
static long imx317_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct imx317 *imx317 = to_imx317(sd);
long ret = 0;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
imx317_get_module_inf(imx317, (struct rkmodule_inf *)arg);
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
if (stream)
imx317_write_reg(imx317->client, IMX317_REG_CTRL_MODE,
IMX317_REG_VALUE_08BIT, IMX317_MODE_STREAMING);
else
imx317_write_reg(imx317->client, IMX317_REG_CTRL_MODE,
IMX317_REG_VALUE_08BIT, IMX317_MODE_SW_STANDBY);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long imx317_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 = imx317_ioctl(sd, cmd, inf);
if (!ret)
ret = copy_to_user(up, inf, sizeof(*inf));
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 = imx317_ioctl(sd, cmd, cfg);
kfree(cfg);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = imx317_ioctl(sd, cmd, &stream);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int __imx317_start_stream(struct imx317 *imx317)
{
int ret;
ret = imx317_write_array(imx317->client, imx317->cur_mode->reg_list);
if (ret)
return ret;
/* In case these controls are set before streaming */
mutex_unlock(&imx317->mutex);
ret = v4l2_ctrl_handler_setup(&imx317->ctrl_handler);
mutex_lock(&imx317->mutex);
if (ret)
return ret;
return imx317_write_reg(imx317->client, IMX317_REG_CTRL_MODE,
IMX317_REG_VALUE_08BIT, IMX317_MODE_STREAMING);
}
static int __imx317_stop_stream(struct imx317 *imx317)
{
return imx317_write_reg(imx317->client, IMX317_REG_CTRL_MODE,
IMX317_REG_VALUE_08BIT, IMX317_MODE_SW_STANDBY);
}
static int imx317_s_stream(struct v4l2_subdev *sd, int on)
{
struct imx317 *imx317 = to_imx317(sd);
struct i2c_client *client = imx317->client;
int ret = 0;
dev_info(&client->dev, "%s: on: %d, %dx%d@%d\n", __func__, on,
imx317->cur_mode->width,
imx317->cur_mode->height,
DIV_ROUND_CLOSEST(imx317->cur_mode->max_fps.denominator,
imx317->cur_mode->max_fps.numerator));
mutex_lock(&imx317->mutex);
on = !!on;
if (on == imx317->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 = __imx317_start_stream(imx317);
if (ret) {
v4l2_err(sd, "start stream failed while write regs\n");
pm_runtime_put(&client->dev);
goto unlock_and_return;
}
} else {
__imx317_stop_stream(imx317);
pm_runtime_put(&client->dev);
}
imx317->streaming = on;
unlock_and_return:
mutex_unlock(&imx317->mutex);
return ret;
}
static int imx317_s_power(struct v4l2_subdev *sd, int on)
{
struct imx317 *imx317 = to_imx317(sd);
struct i2c_client *client = imx317->client;
int ret = 0;
mutex_lock(&imx317->mutex);
/* If the power state is not modified - no work to do. */
if (imx317->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 = imx317_write_array(imx317->client, imx317_global_regs);
if (ret) {
v4l2_err(sd, "could not set init registers\n");
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
imx317->power_on = true;
} else {
pm_runtime_put(&client->dev);
imx317->power_on = false;
}
unlock_and_return:
mutex_unlock(&imx317->mutex);
return ret;
}
/* Calculate the delay in us by clock rate and clock cycles */
static inline u32 imx317_cal_delay(u32 cycles)
{
return DIV_ROUND_UP(cycles, IMX317_XVCLK_FREQ / 1000 / 1000);
}
static int __imx317_power_on(struct imx317 *imx317)
{
int ret;
u32 delay_us;
struct device *dev = &imx317->client->dev;
if (!IS_ERR(imx317->power_gpio))
gpiod_set_value_cansleep(imx317->power_gpio, 1);
usleep_range(3000, 5000);
if (!IS_ERR_OR_NULL(imx317->pins_default)) {
ret = pinctrl_select_state(imx317->pinctrl,
imx317->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
ret = clk_set_rate(imx317->xvclk, IMX317_XVCLK_FREQ);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
if (clk_get_rate(imx317->xvclk) != IMX317_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
ret = clk_prepare_enable(imx317->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
}
if (!IS_ERR(imx317->reset_gpio))
gpiod_set_value_cansleep(imx317->reset_gpio, 0);
ret = regulator_bulk_enable(IMX317_NUM_SUPPLIES, imx317->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto disable_clk;
}
if (!IS_ERR(imx317->reset_gpio))
gpiod_set_value_cansleep(imx317->reset_gpio, 1);
usleep_range(500, 1000);
if (!IS_ERR(imx317->pwdn_gpio))
gpiod_set_value_cansleep(imx317->pwdn_gpio, 1);
/* 8192 cycles prior to first SCCB transaction */
delay_us = imx317_cal_delay(8192);
usleep_range(delay_us, delay_us * 2);
return 0;
disable_clk:
clk_disable_unprepare(imx317->xvclk);
return ret;
}
static void __imx317_power_off(struct imx317 *imx317)
{
int ret;
struct device *dev = &imx317->client->dev;
if (!IS_ERR(imx317->pwdn_gpio))
gpiod_set_value_cansleep(imx317->pwdn_gpio, 0);
clk_disable_unprepare(imx317->xvclk);
if (!IS_ERR(imx317->reset_gpio))
gpiod_set_value_cansleep(imx317->reset_gpio, 0);
if (!IS_ERR_OR_NULL(imx317->pins_sleep)) {
ret = pinctrl_select_state(imx317->pinctrl,
imx317->pins_sleep);
if (ret < 0)
dev_dbg(dev, "could not set pins\n");
}
if (!IS_ERR(imx317->power_gpio))
gpiod_set_value_cansleep(imx317->power_gpio, 0);
regulator_bulk_disable(IMX317_NUM_SUPPLIES, imx317->supplies);
}
static int imx317_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx317 *imx317 = to_imx317(sd);
return __imx317_power_on(imx317);
}
static int imx317_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx317 *imx317 = to_imx317(sd);
__imx317_power_off(imx317);
return 0;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int imx317_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct imx317 *imx317 = to_imx317(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
const struct imx317_mode *def_mode = &supported_modes[0];
mutex_lock(&imx317->mutex);
/* Initialize try_fmt */
try_fmt->width = def_mode->width;
try_fmt->height = def_mode->height;
try_fmt->code = IMX317_MEDIA_BUS_FMT;
try_fmt->field = V4L2_FIELD_NONE;
mutex_unlock(&imx317->mutex);
/* No crop or compose */
return 0;
}
#endif
static int imx317_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
struct imx317 *imx317 = to_imx317(sd);
if (fie->index >= imx317->cfg_num)
return -EINVAL;
fie->code = IMX317_MEDIA_BUS_FMT;
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 imx317_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
struct v4l2_mbus_config *config)
{
struct imx317 *imx317 = to_imx317(sd);
config->type = V4L2_MBUS_CSI2_DPHY;
config->bus.mipi_csi2.num_data_lanes = imx317->lane_num;
return 0;
}
static const struct dev_pm_ops imx317_pm_ops = {
SET_RUNTIME_PM_OPS(imx317_runtime_suspend,
imx317_runtime_resume, NULL)
};
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops imx317_internal_ops = {
.open = imx317_open,
};
#endif
static const struct v4l2_subdev_core_ops imx317_core_ops = {
.s_power = imx317_s_power,
.ioctl = imx317_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = imx317_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops imx317_video_ops = {
.s_stream = imx317_s_stream,
.g_frame_interval = imx317_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops imx317_pad_ops = {
.enum_mbus_code = imx317_enum_mbus_code,
.enum_frame_size = imx317_enum_frame_sizes,
.enum_frame_interval = imx317_enum_frame_interval,
.get_fmt = imx317_get_fmt,
.set_fmt = imx317_set_fmt,
.get_mbus_config = imx317_g_mbus_config,
};
static const struct v4l2_subdev_ops imx317_subdev_ops = {
.core = &imx317_core_ops,
.video = &imx317_video_ops,
.pad = &imx317_pad_ops,
};
static int imx317_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx317 *imx317 = container_of(ctrl->handler,
struct imx317, ctrl_handler);
struct i2c_client *client = imx317->client;
s64 max;
u32 val = 0;
u32 vts_tmp = 0;
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 = imx317->cur_mode->height + ctrl->val - 4;
__v4l2_ctrl_modify_range(imx317->exposure,
imx317->exposure->minimum, max,
imx317->exposure->step,
imx317->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 */
/* calculate actual integration time */
ret = imx317_read_reg(imx317->client, IMX317_REG_VTS_H,
IMX317_REG_VALUE_08BIT, &val);
vts_tmp = (val & 0xff) << 16;
ret |= imx317_read_reg(imx317->client, IMX317_REG_VTS_M,
IMX317_REG_VALUE_08BIT, &val);
vts_tmp = vts_tmp | ((val & 0xff) << 8);
ret |= imx317_read_reg(imx317->client, IMX317_REG_VTS_L,
IMX317_REG_VALUE_08BIT, &val);
vts_tmp = vts_tmp | (val & 0xff);
ctrl->val = vts_tmp + 1 - ctrl->val;
ret = imx317_write_reg(imx317->client,
IMX317_REG_EXPOSURE_H,
IMX317_REG_VALUE_08BIT,
(ctrl->val & 0xFF00) >> 8);
ret |= imx317_write_reg(imx317->client,
IMX317_REG_EXPOSURE_L,
IMX317_REG_VALUE_08BIT,
ctrl->val & 0xFF);
break;
case V4L2_CID_ANALOGUE_GAIN:
if (ctrl->val > IMX317_GAIN_MAX)
ctrl->val = IMX317_GAIN_MAX;
if (ctrl->val < IMX317_GAIN_MIN)
ctrl->val = IMX317_GAIN_MIN;
val = 2048 - (2048 * IMX317_GAIN_MIN) / ctrl->val;
ret = imx317_write_reg(imx317->client, IMX317_REG_GAIN_H,
IMX317_REG_VALUE_08BIT,
(val >> IMX317_GAIN_H_SHIFT) & IMX317_GAIN_H_MASK);
ret |= imx317_write_reg(imx317->client, IMX317_REG_GAIN_L,
IMX317_REG_VALUE_08BIT,
val & IMX317_GAIN_L_MASK);
break;
case V4L2_CID_VBLANK:
val = ctrl->val + imx317->cur_mode->height;
ret = imx317_write_reg(imx317->client, IMX317_REG_VTS_H,
IMX317_REG_VALUE_08BIT,
(val & 0x0F0000) >> 16);
ret |= imx317_write_reg(imx317->client, IMX317_REG_VTS_M,
IMX317_REG_VALUE_08BIT,
(val & 0x00FF00) >> 8);
ret |= imx317_write_reg(imx317->client, IMX317_REG_VTS_L,
IMX317_REG_VALUE_08BIT,
val & 0x0000FF);
break;
case V4L2_CID_TEST_PATTERN:
ret = imx317_enable_test_pattern(imx317, 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 imx317_ctrl_ops = {
.s_ctrl = imx317_set_ctrl,
};
static int imx317_initialize_controls(struct imx317 *imx317)
{
const struct imx317_mode *mode;
struct v4l2_ctrl_handler *handler;
s64 exposure_max, vblank_def;
u32 h_blank;
int ret;
handler = &imx317->ctrl_handler;
mode = imx317->cur_mode;
ret = v4l2_ctrl_handler_init(handler, 8);
if (ret)
return ret;
handler->lock = &imx317->mutex;
imx317->link_freq = v4l2_ctrl_new_int_menu(handler, NULL,
V4L2_CID_LINK_FREQ, 0, 0,
link_freq_menu_items);
v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
0, imx317->pixel_rate, 1, imx317->pixel_rate);
h_blank = mode->hts_def;
imx317->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
h_blank, h_blank, 1, h_blank);
if (imx317->hblank)
imx317->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
imx317->vblank = v4l2_ctrl_new_std(handler, &imx317_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
IMX317_VTS_MAX - mode->height,
1, vblank_def);
exposure_max = mode->vts_def - 4;
imx317->exposure = v4l2_ctrl_new_std(handler, &imx317_ctrl_ops,
V4L2_CID_EXPOSURE, IMX317_EXPOSURE_MIN,
exposure_max, IMX317_EXPOSURE_STEP,
mode->exp_def);
imx317->anal_gain = v4l2_ctrl_new_std(handler, &imx317_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, IMX317_GAIN_MIN,
IMX317_GAIN_MAX, IMX317_GAIN_STEP,
IMX317_GAIN_DEFAULT);
imx317->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
&imx317_ctrl_ops, V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(imx317_test_pattern_menu) - 1,
0, 0, imx317_test_pattern_menu);
if (handler->error) {
ret = handler->error;
dev_err(&imx317->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
imx317->subdev.ctrl_handler = handler;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static int imx317_check_sensor_id(struct imx317 *imx317,
struct i2c_client *client)
{
struct device *dev = &imx317->client->dev;
u32 id = 0;
int ret;
ret = imx317_read_reg(client, IMX317_REG_CHIP_ID,
IMX317_REG_VALUE_08BIT, &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 imx317_configure_regulators(struct imx317 *imx317)
{
unsigned int i;
for (i = 0; i < IMX317_NUM_SUPPLIES; i++)
imx317->supplies[i].supply = imx317_supply_names[i];
return devm_regulator_bulk_get(&imx317->client->dev,
IMX317_NUM_SUPPLIES,
imx317->supplies);
}
static int imx317_parse_of(struct imx317 *imx317)
{
struct device *dev = &imx317->client->dev;
struct device_node *endpoint;
struct fwnode_handle *fwnode;
int rval;
endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
if (!endpoint) {
dev_err(dev, "Failed to get endpoint\n");
return -EINVAL;
}
fwnode = of_fwnode_handle(endpoint);
rval = fwnode_property_read_u32_array(fwnode, "data-lanes", NULL, 0);
of_node_put(endpoint);
if (rval <= 0) {
dev_warn(dev, " Get mipi lane num failed!\n");
return -1;
}
imx317->lane_num = rval;
if (4 == imx317->lane_num) {
imx317->cur_mode = &supported_modes_4lane[0];
supported_modes = supported_modes_4lane;
imx317->cfg_num = ARRAY_SIZE(supported_modes_4lane);
imx317_global_regs = imx317_global_regs_4lane;
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
imx317->pixel_rate = MIPI_FREQ * 2U * imx317->lane_num / 10U;
dev_info(dev, "lane_num(%d) pixel_rate(%u)\n",
imx317->lane_num, imx317->pixel_rate);
} else {
imx317->cur_mode = &supported_modes_2lane[0];
supported_modes = supported_modes_2lane;
imx317->cfg_num = ARRAY_SIZE(supported_modes_2lane);
imx317_global_regs = imx317_global_regs_2lane;
/*pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
imx317->pixel_rate = MIPI_FREQ * 2U * (imx317->lane_num) / 10U;
dev_info(dev, "lane_num(%d) pixel_rate(%u), not supported yet!\n",
imx317->lane_num, imx317->pixel_rate);
}
return 0;
}
static int imx317_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct imx317 *imx317;
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);
imx317 = devm_kzalloc(dev, sizeof(*imx317), GFP_KERNEL);
if (!imx317)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&imx317->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&imx317->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&imx317->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&imx317->len_name);
if (ret) {
dev_err(dev, "could not get module information!\n");
return -EINVAL;
}
imx317->client = client;
imx317->cur_mode = &supported_modes[0];
imx317->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(imx317->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
imx317->power_gpio = devm_gpiod_get(dev, "power", GPIOD_OUT_LOW);
if (IS_ERR(imx317->power_gpio))
dev_warn(dev, "Failed to get power-gpios\n");
imx317->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(imx317->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
imx317->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
if (IS_ERR(imx317->pwdn_gpio))
dev_warn(dev, "Failed to get pwdn-gpios\n");
ret = imx317_parse_of(imx317);
if (ret != 0)
return -EINVAL;
imx317->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(imx317->pinctrl)) {
imx317->pins_default =
pinctrl_lookup_state(imx317->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(imx317->pins_default))
dev_err(dev, "could not get default pinstate\n");
imx317->pins_sleep =
pinctrl_lookup_state(imx317->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(imx317->pins_sleep))
dev_err(dev, "could not get sleep pinstate\n");
} else {
dev_err(dev, "no pinctrl\n");
}
ret = imx317_configure_regulators(imx317);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
return ret;
}
mutex_init(&imx317->mutex);
sd = &imx317->subdev;
v4l2_i2c_subdev_init(sd, client, &imx317_subdev_ops);
ret = imx317_initialize_controls(imx317);
if (ret)
goto err_destroy_mutex;
ret = __imx317_power_on(imx317);
if (ret)
goto err_free_handler;
ret = imx317_check_sensor_id(imx317, client);
if (ret)
goto err_power_off;
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &imx317_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
imx317->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &imx317->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(imx317->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
imx317->module_index, facing,
IMX317_NAME, dev_name(sd->dev));
ret = v4l2_async_register_subdev_sensor(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:
__imx317_power_off(imx317);
err_free_handler:
v4l2_ctrl_handler_free(&imx317->ctrl_handler);
err_destroy_mutex:
mutex_destroy(&imx317->mutex);
return ret;
}
static void imx317_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx317 *imx317 = to_imx317(sd);
v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
v4l2_ctrl_handler_free(&imx317->ctrl_handler);
mutex_destroy(&imx317->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__imx317_power_off(imx317);
pm_runtime_set_suspended(&client->dev);
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id imx317_of_match[] = {
{ .compatible = "sony,imx317" },
{},
};
MODULE_DEVICE_TABLE(of, imx317_of_match);
#endif
static const struct i2c_device_id imx317_match_id[] = {
{ "sony,imx317", 0 },
{ },
};
static struct i2c_driver imx317_i2c_driver = {
.driver = {
.name = IMX317_NAME,
.pm = &imx317_pm_ops,
.of_match_table = of_match_ptr(imx317_of_match),
},
.probe = &imx317_probe,
.remove = &imx317_remove,
.id_table = imx317_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&imx317_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&imx317_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("OmniVision imx317 sensor driver");
MODULE_LICENSE("GPL v2");
Reference in New Issue View Git Blame Copy Permalink