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CoolPi-Armbian-Rockchip-RK3.../drivers/media/i2c/imx335.c

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// SPDX-License-Identifier: GPL-2.0
/*
* imx335 driver
*
* Copyright (C) 2020 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X00 first version
* V0.0X01.0X01 support 10bit DOL3
* V0.0X01.0X02 fix set sensor vertical invert failed
* V0.0X01.0X03 add hdr_mode in enum frame interval
* V0.0X01.0X04 fix hdr ae error
* V0.0X01.0X05 add quick stream on/off
* V0.0X01.0X06 Increase hdr exposure restrictions
*/
#define DEBUG
#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/rk-preisp.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_594M 594000000
#define IMX335_4LANES 4
#define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode"
#define IMX335_XVCLK_FREQ_37M 37125000
/* TODO: Get the real chip id from reg */
#define CHIP_ID 0x03
#define IMX335_REG_CHIP_ID 0x3A01
#define IMX335_REG_CTRL_MODE 0x3000
#define IMX335_MODE_SW_STANDBY BIT(0)
#define IMX335_MODE_STREAMING 0x0
#define IMX335_LF_GAIN_REG_H 0x30E9
#define IMX335_LF_GAIN_REG_L 0x30E8
#define IMX335_SF1_GAIN_REG_H 0x30EB
#define IMX335_SF1_GAIN_REG_L 0x30EA
#define IMX335_SF2_GAIN_REG_H 0x30ED
#define IMX335_SF2_GAIN_REG_L 0x30EC
#define IMX335_LF_EXPO_REG_H 0x305A
#define IMX335_LF_EXPO_REG_M 0x3059
#define IMX335_LF_EXPO_REG_L 0x3058
#define IMX335_SF1_EXPO_REG_H 0x305E
#define IMX335_SF1_EXPO_REG_M 0x305D
#define IMX335_SF1_EXPO_REG_L 0x305C
#define IMX335_RHS1_REG_H 0x306A
#define IMX335_RHS1_REG_M 0x3069
#define IMX335_RHS1_REG_L 0x3068
#define IMX335_RHS1_DEFAULT 0x0122
#define IMX335_RHS1_X3_DEFAULT 0x012E
#define IMX335_SF2_EXPO_REG_H 0x3062
#define IMX335_SF2_EXPO_REG_M 0x3061
#define IMX335_SF2_EXPO_REG_L 0x3060
#define IMX335_RHS2_REG_H 0x306E
#define IMX335_RHS2_REG_M 0x306D
#define IMX335_RHS2_REG_L 0x306C
#define IMX335_RHS2_X3_DEFAULT 0x016C
/*
* The linear shr0 shall be:
* 9 <= shr0 <= VMAX - 1.
* 1 <= expo = VMAX - shr0 <= VMAX - 9
* == VMAX - SHR0_MIN
*
*/
#define IMX335_EXPOSURE_MIN 1
#define IMX335_EXPOSURE_STEP 1
#define SHR0_MIN 9
#define IMX335_VTS_MAX 0x7fff
#define IMX335_GAIN_MIN 0x00
#define IMX335_GAIN_MAX 0xf0
#define IMX335_GAIN_STEP 1
#define IMX335_GAIN_DEFAULT 0x00
#define IMX335_FETCH_GAIN_H(VAL) (((VAL) >> 8) & 0x07)
#define IMX335_FETCH_GAIN_L(VAL) ((VAL) & 0xFF)
#define IMX335_FETCH_EXP_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX335_FETCH_EXP_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX335_FETCH_EXP_L(VAL) ((VAL) & 0xFF)
#define IMX335_FETCH_RHS1_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX335_FETCH_RHS1_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX335_FETCH_RHS1_L(VAL) ((VAL) & 0xFF)
#define IMX335_FETCH_VTS_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX335_FETCH_VTS_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX335_FETCH_VTS_L(VAL) ((VAL) & 0xFF)
#define IMX335_VTS_REG_L 0x3030
#define IMX335_VTS_REG_M 0x3031
#define IMX335_VTS_REG_H 0x3032
#define IMX335_HREVERSE_REG 0x304E
#define IMX335_VREVERSE_REG 0x304F
#define REG_NULL 0xFFFF
#define IMX335_REG_VALUE_08BIT 1
#define IMX335_REG_VALUE_16BIT 2
#define IMX335_REG_VALUE_24BIT 3
#define IMX335_GROUP_HOLD_REG 0x3001
#define IMX335_GROUP_HOLD_START 0x01
#define IMX335_GROUP_HOLD_END 0x00
/* Basic Readout Lines. Number of necessary readout lines in sensor */
#define BRL (1984u * 2)
#define RHS1_MAX (BRL * 2 - 1)
#define SHR1_MIN 18u
/* Readout timing setting of SEF1(DOL3): RHS1 < 3 * BRL and should be 12n + 2 */
#define RHS1_MAX_X3 ((BRL * 3 - 1) / 12 * 12 + 2)
#define SHR1_MIN_X3 26u
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define IMX335_NAME "imx335"
static const char * const imx335_supply_names[] = {
"dvdd", /* Digital core power */
"dovdd", /* Digital I/O power */
"avdd", /* Analog power */
};
#define IMX335_NUM_SUPPLIES ARRAY_SIZE(imx335_supply_names)
struct regval {
u16 addr;
u8 val;
};
struct imx335_mode {
u32 bus_fmt;
u32 width;
u32 height;
struct v4l2_fract max_fps;
u32 hts_def;
u32 vts_def;
u32 exp_def;
u32 bpp;
const struct regval *reg_list;
u32 hdr_mode;
u32 vc[PAD_MAX];
};
struct imx335 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct regulator_bulk_data supplies[IMX335_NUM_SUPPLIES];
struct pinctrl *pinctrl;
struct pinctrl_state *pins_default;
struct pinctrl_state *pins_sleep;
struct v4l2_subdev subdev;
struct media_pad pad;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl *exposure;
struct v4l2_ctrl *anal_a_gain;
struct v4l2_ctrl *digi_gain;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *pixel_rate;
struct v4l2_ctrl *link_freq;
struct mutex mutex;
bool streaming;
bool power_on;
const struct imx335_mode *cur_mode;
u32 module_index;
u32 cfg_num;
const char *module_facing;
const char *module_name;
const char *len_name;
u32 cur_vts;
bool has_init_exp;
struct preisp_hdrae_exp_s init_hdrae_exp;
};
#define to_imx335(sd) container_of(sd, struct imx335, subdev)
/*
* Xclk 37.125Mhz
*/
static const struct regval imx335_linear_10bit_2592x1944_regs[] = {
{0x3002, 0x00},
{0x300C, 0x5B},
{0x300D, 0x40},
{0x3034, 0x26},
{0x3035, 0x02},
{0x3048, 0x00},
{0x3049, 0x00},
{0x304A, 0x03},
{0x304B, 0x01},
{0x304C, 0x14},
{0x3050, 0x00},
{0x3058, 0x09},
{0x3059, 0x00},
{0x305C, 0x12},
{0x3060, 0xE8},
{0x3061, 0x00},
{0x3068, 0xce},
{0x3069, 0x00},
{0x306C, 0x88},
{0x306D, 0x06},
{0x30E8, 0x00},
{0x315A, 0x02},
{0x316A, 0x7E},
{0x319D, 0x00},
{0x31A1, 0x00},
{0x31D7, 0x00},
{0x3200, 0x01}, /* Each frame gain adjustment disabed in linear mode */
{0x3288, 0x21},
{0x328A, 0x02},
{0x3414, 0x05},
{0x3416, 0x18},
{0x341C, 0xFF},
{0x341D, 0x01},
{0x3648, 0x01},
{0x364A, 0x04},
{0x364C, 0x04},
{0x3678, 0x01},
{0x367C, 0x31},
{0x367E, 0x31},
{0x3706, 0x10},
{0x3708, 0x03},
{0x3714, 0x02},
{0x3715, 0x02},
{0x3716, 0x01},
{0x3717, 0x03},
{0x371C, 0x3D},
{0x371D, 0x3F},
{0x372C, 0x00},
{0x372D, 0x00},
{0x372E, 0x46},
{0x372F, 0x00},
{0x3730, 0x89},
{0x3731, 0x00},
{0x3732, 0x08},
{0x3733, 0x01},
{0x3734, 0xFE},
{0x3735, 0x05},
{0x3740, 0x02},
{0x375D, 0x00},
{0x375E, 0x00},
{0x375F, 0x11},
{0x3760, 0x01},
{0x3768, 0x1B},
{0x3769, 0x1B},
{0x376A, 0x1B},
{0x376B, 0x1B},
{0x376C, 0x1A},
{0x376D, 0x17},
{0x376E, 0x0F},
{0x3776, 0x00},
{0x3777, 0x00},
{0x3778, 0x46},
{0x3779, 0x00},
{0x377A, 0x89},
{0x377B, 0x00},
{0x377C, 0x08},
{0x377D, 0x01},
{0x377E, 0x23},
{0x377F, 0x02},
{0x3780, 0xD9},
{0x3781, 0x03},
{0x3782, 0xF5},
{0x3783, 0x06},
{0x3784, 0xA5},
{0x3788, 0x0F},
{0x378A, 0xD9},
{0x378B, 0x03},
{0x378C, 0xEB},
{0x378D, 0x05},
{0x378E, 0x87},
{0x378F, 0x06},
{0x3790, 0xF5},
{0x3792, 0x43},
{0x3794, 0x7A},
{0x3796, 0xA1},
{REG_NULL, 0x00},
};
static const struct regval imx335_hdr2_10bit_2592x1944_regs[] = {
{0x3002, 0x00},
{0x300C, 0x5B},
{0x300D, 0x40},
{0x3034, 0x13},
{0x3035, 0x01},
{0x3048, 0x01},
{0x3049, 0x01},
{0x304A, 0x04},
{0x304B, 0x03},
{0x304C, 0x13},
{0x3050, 0x00},
{0x3058, 0x48},
{0x3059, 0x12},
{0x305C, 0x12},
{0x3060, 0xE8},
{0x3061, 0x00},
{0x3068, 0x22},
{0x3069, 0x01},
{0x306C, 0x68},
{0x306D, 0x06},
{0x30E8, 0x00},
{0x315A, 0x02},
{0x316A, 0x7E},
{0x319D, 0x00},
{0x31A1, 0x00},
{0x31D7, 0x01},
{0x3200, 0x00}, /* Each frame gain adjustment EN */
{0x3288, 0x21},
{0x328A, 0x02},
{0x3414, 0x05},
{0x3416, 0x18},
{0x341C, 0xFF},
{0x341D, 0x01},
{0x3648, 0x01},
{0x364A, 0x04},
{0x364C, 0x04},
{0x3678, 0x01},
{0x367C, 0x31},
{0x367E, 0x31},
{0x3706, 0x10},
{0x3708, 0x03},
{0x3714, 0x02},
{0x3715, 0x02},
{0x3716, 0x01},
{0x3717, 0x03},
{0x371C, 0x3D},
{0x371D, 0x3F},
{0x372C, 0x00},
{0x372D, 0x00},
{0x372E, 0x46},
{0x372F, 0x00},
{0x3730, 0x89},
{0x3731, 0x00},
{0x3732, 0x08},
{0x3733, 0x01},
{0x3734, 0xFE},
{0x3735, 0x05},
{0x3740, 0x02},
{0x375D, 0x00},
{0x375E, 0x00},
{0x375F, 0x11},
{0x3760, 0x01},
{0x3768, 0x1B},
{0x3769, 0x1B},
{0x376A, 0x1B},
{0x376B, 0x1B},
{0x376C, 0x1A},
{0x376D, 0x17},
{0x376E, 0x0F},
{0x3776, 0x00},
{0x3777, 0x00},
{0x3778, 0x46},
{0x3779, 0x00},
{0x377A, 0x89},
{0x377B, 0x00},
{0x377C, 0x08},
{0x377D, 0x01},
{0x377E, 0x23},
{0x377F, 0x02},
{0x3780, 0xD9},
{0x3781, 0x03},
{0x3782, 0xF5},
{0x3783, 0x06},
{0x3784, 0xA5},
{0x3788, 0x0F},
{0x378A, 0xD9},
{0x378B, 0x03},
{0x378C, 0xEB},
{0x378D, 0x05},
{0x378E, 0x87},
{0x378F, 0x06},
{0x3790, 0xF5},
{0x3792, 0x43},
{0x3794, 0x7A},
{0x3796, 0xA1},
{REG_NULL, 0x00},
};
static const struct regval imx335_hdr3_10bit_2592x1944_regs[] = {
{0x3002, 0x00},
{0x300C, 0x5B},
{0x300D, 0x40},
{0x3034, 0x13},
{0x3035, 0x01},
{0x3048, 0x01},
{0x3049, 0x02},
{0x304A, 0x05},
{0x304B, 0x03},
{0x304C, 0x13},
{0x3050, 0x00},
{0x3058, 0xC4},
{0x3059, 0x3B},
{0x305C, 0x1A},
{0x3060, 0x4E},
{0x3061, 0x01},
{0x3068, 0x2E},
{0x3069, 0x01},
{0x306C, 0x6C},
{0x306D, 0x01},
{0x30E8, 0x14},
{0x315A, 0x02},
{0x316A, 0x7E},
{0x319D, 0x00},
{0x31A1, 0x00},
{0x31D7, 0x03},
{0x3200, 0x00}, /* Each frame gain adjustment EN */
{0x3288, 0x21},
{0x328A, 0x02},
{0x3414, 0x05},
{0x3416, 0x18},
{0x341C, 0xFF},
{0x341D, 0x01},
{0x3648, 0x01},
{0x364A, 0x04},
{0x364C, 0x04},
{0x3678, 0x01},
{0x367C, 0x31},
{0x367E, 0x31},
{0x3706, 0x10},
{0x3708, 0x03},
{0x3714, 0x02},
{0x3715, 0x02},
{0x3716, 0x01},
{0x3717, 0x03},
{0x371C, 0x3D},
{0x371D, 0x3F},
{0x372C, 0x00},
{0x372D, 0x00},
{0x372E, 0x46},
{0x372F, 0x00},
{0x3730, 0x89},
{0x3731, 0x00},
{0x3732, 0x08},
{0x3733, 0x01},
{0x3734, 0xFE},
{0x3735, 0x05},
{0x3740, 0x02},
{0x375D, 0x00},
{0x375E, 0x00},
{0x375F, 0x11},
{0x3760, 0x01},
{0x3768, 0x1B},
{0x3769, 0x1B},
{0x376A, 0x1B},
{0x376B, 0x1B},
{0x376C, 0x1A},
{0x376D, 0x17},
{0x376E, 0x0F},
{0x3776, 0x00},
{0x3777, 0x00},
{0x3778, 0x46},
{0x3779, 0x00},
{0x377A, 0x89},
{0x377B, 0x00},
{0x377C, 0x08},
{0x377D, 0x01},
{0x377E, 0x23},
{0x377F, 0x02},
{0x3780, 0xD9},
{0x3781, 0x03},
{0x3782, 0xF5},
{0x3783, 0x06},
{0x3784, 0xA5},
{0x3788, 0x0F},
{0x378A, 0xD9},
{0x378B, 0x03},
{0x378C, 0xEB},
{0x378D, 0x05},
{0x378E, 0x87},
{0x378F, 0x06},
{0x3790, 0xF5},
{0x3792, 0x43},
{0x3794, 0x7A},
{0x3796, 0xA1},
{REG_NULL, 0x00},
};
/*
* The width and height must be configured to be
* the same as the current output resolution of the sensor.
* The input width of the isp needs to be 16 aligned.
* The input height of the isp needs to be 8 aligned.
* If the width or height does not meet the alignment rules,
* you can configure the cropping parameters with the following function to
* crop out the appropriate resolution.
* struct v4l2_subdev_pad_ops {
* .get_selection
* }
*/
static const struct imx335_mode supported_modes[] = {
{
/* 1H period = 7.4us */
.bus_fmt = MEDIA_BUS_FMT_SRGGB10_1X10,
.width = 2616,
.height = 1964,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x1194 - 0x09,
.hts_def = 0x0226 * IMX335_4LANES * 2,
.vts_def = 0x1194,
.reg_list = imx335_linear_10bit_2592x1944_regs,
.hdr_mode = NO_HDR,
.bpp = 10,
},
{
/* 1H period = 3.70us */
.bus_fmt = MEDIA_BUS_FMT_SRGGB10_1X10,
.width = 2616,
.height = 1964,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x1194 * 2 - 0x1248,
.hts_def = 0x0113 * IMX335_4LANES * 2 * 2,
/*
* IMX335 HDR mode T-line is a half of Linear mode,
* make vts double(that is FSC) to workaround.
*/
.vts_def = 0x1194 * 2,
.reg_list = imx335_hdr2_10bit_2592x1944_regs,
.hdr_mode = HDR_X2,
.bpp = 10,
.vc[PAD0] = 1,
.vc[PAD1] = 0,//L->csi wr0
.vc[PAD2] = 1,
.vc[PAD3] = 1,//M->csi wr2
},
{
/* 1H period = 3.70us */
.bus_fmt = MEDIA_BUS_FMT_SRGGB10_1X10,
.width = 2616,
.height = 1964,
.max_fps = {
.numerator = 10000,
.denominator = 150000,
},
.exp_def = 0x1194 * 2 - 0x1248,
.hts_def = 0x0113 * IMX335_4LANES * 2 * 2,
/*
* IMX335 HDR mode T-line is a half of Linear mode,
* make vts double(that is FSC) to workaround.
*/
.vts_def = 0x1194 * 4,
.reg_list = imx335_hdr3_10bit_2592x1944_regs,
.hdr_mode = HDR_X3,
.bpp = 10,
.vc[PAD0] = 2,
.vc[PAD1] = 1,//M->csi wr0
.vc[PAD2] = 0,//L->csi wr0
.vc[PAD3] = 2,//S->csi wr2
},
};
static const s64 link_freq_items[] = {
MIPI_FREQ_594M,
};
/* Write registers up to 4 at a time */
static int imx335_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 imx335_write_array(struct i2c_client *client,
const struct regval *regs)
{
u32 i;
int ret = 0;
for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) {
ret = imx335_write_reg(client, regs[i].addr,
IMX335_REG_VALUE_08BIT, regs[i].val);
}
return ret;
}
/* Read registers up to 4 at a time */
static int imx335_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 imx335_get_reso_dist(const struct imx335_mode *mode,
struct v4l2_mbus_framefmt *framefmt)
{
return abs(mode->width - framefmt->width) +
abs(mode->height - framefmt->height);
}
static const struct imx335_mode *
imx335_find_best_fit(struct imx335 *imx335, 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 < imx335->cfg_num; i++) {
dist = imx335_get_reso_dist(&supported_modes[i], framefmt);
if ((cur_best_fit_dist == -1 || dist <= cur_best_fit_dist) &&
supported_modes[i].bus_fmt == framefmt->code) {
cur_best_fit_dist = dist;
cur_best_fit = i;
}
}
return &supported_modes[cur_best_fit];
}
static void imx335_change_mode(struct imx335 *imx335, const struct imx335_mode *mode)
{
imx335->cur_mode = mode;
imx335->cur_vts = imx335->cur_mode->vts_def;
dev_dbg(&imx335->client->dev, "set fmt: cur_mode: %dx%d, hdr: %d\n",
mode->width, mode->height, mode->hdr_mode);
}
static int imx335_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx335 *imx335 = to_imx335(sd);
const struct imx335_mode *mode;
s64 h_blank, vblank_def;
mutex_lock(&imx335->mutex);
mode = imx335_find_best_fit(imx335, fmt);
fmt->format.code = mode->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) {
*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
} else {
imx335_change_mode(imx335, mode);
h_blank = mode->hts_def - mode->width;
__v4l2_ctrl_modify_range(imx335->hblank, h_blank,
h_blank, 1, h_blank);
vblank_def = mode->vts_def - mode->height;
__v4l2_ctrl_modify_range(imx335->vblank, vblank_def,
IMX335_VTS_MAX - mode->height,
1, vblank_def);
}
mutex_unlock(&imx335->mutex);
return 0;
}
static int imx335_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx335 *imx335 = to_imx335(sd);
const struct imx335_mode *mode = imx335->cur_mode;
mutex_lock(&imx335->mutex);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
fmt->format = *v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
} else {
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = mode->bus_fmt;
fmt->format.field = V4L2_FIELD_NONE;
if (fmt->pad < PAD_MAX && mode->hdr_mode != NO_HDR)
fmt->reserved[0] = mode->vc[fmt->pad];
else
fmt->reserved[0] = mode->vc[PAD0];
}
mutex_unlock(&imx335->mutex);
return 0;
}
static int imx335_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
struct imx335 *imx335 = to_imx335(sd);
if (code->index != 0)
return -EINVAL;
code->code = imx335->cur_mode->bus_fmt;
return 0;
}
static int imx335_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct imx335 *imx335 = to_imx335(sd);
if (fse->index >= imx335->cfg_num)
return -EINVAL;
if (fse->code != supported_modes[fse->index].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 imx335_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct imx335 *imx335 = to_imx335(sd);
const struct imx335_mode *mode = imx335->cur_mode;
fi->interval = mode->max_fps;
return 0;
}
static int imx335_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
struct v4l2_mbus_config *config)
{
config->type = V4L2_MBUS_CSI2_DPHY;
config->bus.mipi_csi2.num_data_lanes = IMX335_4LANES;
return 0;
}
static void imx335_get_module_inf(struct imx335 *imx335,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, IMX335_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, imx335->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, imx335->len_name, sizeof(inf->base.lens));
}
static int imx335_set_hdrae(struct imx335 *imx335,
struct preisp_hdrae_exp_s *ae)
{
struct i2c_client *client = imx335->client;
u32 l_exp_time, m_exp_time, s_exp_time;
u32 l_a_gain, m_a_gain, s_a_gain;
int shr1, shr0, rhs1, rhs1_max, rhs1_min;
static int rhs1_old = IMX335_RHS1_DEFAULT;
int ret = 0;
u32 fsc;
if (!imx335->has_init_exp && !imx335->streaming) {
imx335->init_hdrae_exp = *ae;
imx335->has_init_exp = true;
dev_dbg(&imx335->client->dev, "imx335 is not streaming, save hdr ae!\n");
return ret;
}
l_exp_time = ae->long_exp_reg;
m_exp_time = ae->middle_exp_reg;
s_exp_time = ae->short_exp_reg;
l_a_gain = ae->long_gain_reg;
m_a_gain = ae->middle_gain_reg;
s_a_gain = ae->short_gain_reg;
dev_dbg(&client->dev,
"rev exp req: L_exp: 0x%x, 0x%x, M_exp: 0x%x, 0x%x S_exp: 0x%x, 0x%x\n",
l_exp_time, l_a_gain, m_exp_time, m_a_gain, s_exp_time, s_a_gain);
if (imx335->cur_mode->hdr_mode == HDR_X2) {
l_a_gain = m_a_gain;
l_exp_time = m_exp_time;
}
ret = imx335_write_reg(client, IMX335_GROUP_HOLD_REG,
IMX335_REG_VALUE_08BIT, IMX335_GROUP_HOLD_START);
/* gain effect n+1 */
ret |= imx335_write_reg(client, IMX335_LF_GAIN_REG_H,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_H(l_a_gain));
ret |= imx335_write_reg(client, IMX335_LF_GAIN_REG_L,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_L(l_a_gain));
ret |= imx335_write_reg(client, IMX335_SF1_GAIN_REG_H,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_H(s_a_gain));
ret |= imx335_write_reg(client, IMX335_SF1_GAIN_REG_L,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_L(s_a_gain));
/* Restrictions
* FSC = 2 * VMAX = 4n (4n, align with 4)
* SHR1 + 18 <= SHR0 <= (FSC - 4)
*
* exp_l = FSC - SHR0
* SHR0 = FSC - exp_l (4n, align with 4)
*
* exp_s = RHS1 - SHR1
* SHR1 + 4 <= RHS1 < BRL * 2 (8n + 2)
* SHR1 + 4 <= RHS1 <= SHR0 - 18
* 18 <= SHR1 <= RHS1 - 4 (4n + 2)
*
* RHS1(n+1) >= (RHS1(n) + BRL * 2) - FSC + 2
*
* RHS1 and SHR1 shall be even value.
*
* T(l_exp) = FSC - SHR0, unit: H
* T(s_exp) = RHS1 - SHR1, unit: H
* Exposure ratio: T(l_exp) / T(s_exp) >= 1
*/
/* The HDR mode vts is already double by default to workaround T-line */
fsc = imx335->cur_vts;
shr0 = fsc - l_exp_time;
rhs1_max = min(RHS1_MAX, shr0 - SHR1_MIN);
rhs1_max = (rhs1_max & ~0x7) + 2;
rhs1_min = max(SHR1_MIN + 4u, rhs1_old + 2 * BRL - fsc + 2);
rhs1_min = (rhs1_min + 7u) / 8 * 8 + 2;
if (rhs1_max < rhs1_min) {
dev_err(&client->dev,
"The total exposure limit makes rhs1 max is %d,but old rhs1 limit makes rhs1 min is %d\n",
rhs1_max, rhs1_min);
return -EINVAL;
}
rhs1 = SHR1_MIN + s_exp_time;
rhs1 = (rhs1 & ~0x7) + 2; /* shall be 8n + 2 */
if (rhs1 > rhs1_max)
rhs1 = rhs1_max;
if (rhs1 < rhs1_min)
rhs1 = rhs1_min;
dev_dbg(&client->dev,
"line(%d) rhs1 %d, short time %d rhs1_old %d, rhs1_new %d, rhs1_min %d rhs1_max %d\n",
__LINE__, rhs1, s_exp_time, rhs1_old, rhs1, rhs1_min, rhs1_max);
rhs1_old = rhs1;
/* shr1 = rhs1 - s_exp_time */
if (rhs1 - s_exp_time <= SHR1_MIN) {
shr1 = SHR1_MIN;
s_exp_time = rhs1 - shr1;
} else {
shr1 = rhs1 - s_exp_time;
}
shr1 = (shr1 & ~0x3) + 2; /* shall be 4n + 2 */
if (shr0 < rhs1 + 18)
shr0 = rhs1 + 18;
else if (shr0 > fsc - 4)
shr0 = fsc - 4;
shr0 &= (~0x3); /* align with 4 */
dev_dbg(&client->dev,
"fsc=%d,RHS1_MAX=%d,SHR1_MIN=%d,rhs1_max=%d\n",
fsc, RHS1_MAX, SHR1_MIN, rhs1_max);
dev_dbg(&client->dev,
"l_exp_time=%d,s_exp_time=%d,shr0=%d,shr1=%d,rhs1=%d,l_a_gain=%d,s_a_gain=%d\n",
l_exp_time, s_exp_time, shr0, shr1, rhs1, l_a_gain, s_a_gain);
/* time effect n+2 */
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_L(rhs1));
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_M(rhs1));
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_H(rhs1));
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr1));
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr1));
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr1));
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr0));
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr0));
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr0));
ret |= imx335_write_reg(client, IMX335_GROUP_HOLD_REG,
IMX335_REG_VALUE_08BIT, IMX335_GROUP_HOLD_END);
return ret;
}
static int imx335_set_hdrae_3frame(struct imx335 *imx335,
struct preisp_hdrae_exp_s *ae)
{
struct i2c_client *client = imx335->client;
u32 l_exp_time, m_exp_time, s_exp_time;
u32 l_a_gain, m_a_gain, s_a_gain;
int shr2, shr1, shr0, rhs2, rhs1 = 0;
int rhs1_change_limit, rhs2_change_limit = 0;
static int rhs1_old = IMX335_RHS1_X3_DEFAULT;
static int rhs2_old = IMX335_RHS2_X3_DEFAULT;
int ret = 0;
u32 fsc;
int rhs1_max = 0;
int shr2_min = 0;
if (!imx335->has_init_exp && !imx335->streaming) {
imx335->init_hdrae_exp = *ae;
imx335->has_init_exp = true;
dev_dbg(&imx335->client->dev, "imx335 is not streaming, save hdr ae!\n");
return ret;
}
l_exp_time = ae->long_exp_reg;
m_exp_time = ae->middle_exp_reg;
s_exp_time = ae->short_exp_reg;
l_a_gain = ae->long_gain_reg;
m_a_gain = ae->middle_gain_reg;
s_a_gain = ae->short_gain_reg;
dev_dbg(&client->dev,
"rev exp req: L_exp: 0x%x, 0x%x, M_exp: 0x%x, 0x%x S_exp: 0x%x, 0x%x\n",
l_exp_time, l_a_gain, m_exp_time, m_a_gain, s_exp_time, s_a_gain);
ret = imx335_write_reg(client, IMX335_GROUP_HOLD_REG,
IMX335_REG_VALUE_08BIT, IMX335_GROUP_HOLD_START);
/* gain effect n+1 */
ret |= imx335_write_reg(client, IMX335_LF_GAIN_REG_H,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_H(l_a_gain));
ret |= imx335_write_reg(client, IMX335_LF_GAIN_REG_L,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_L(l_a_gain));
ret |= imx335_write_reg(client, IMX335_SF1_GAIN_REG_H,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_H(m_a_gain));
ret |= imx335_write_reg(client, IMX335_SF1_GAIN_REG_L,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_L(m_a_gain));
ret |= imx335_write_reg(client, IMX335_SF2_GAIN_REG_H,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_H(s_a_gain));
ret |= imx335_write_reg(client, IMX335_SF2_GAIN_REG_L,
IMX335_REG_VALUE_08BIT, IMX335_FETCH_GAIN_L(s_a_gain));
/* Restrictions
* FSC = 4 * VMAX and FSC should be 6n;
* exp_l = FSC - SHR0 + Toffset;
*
* SHR0 = FSC - exp_l + Toffset;
* SHR0 <= (FSC -6);
* SHR0 >= RHS2 + 26;
* SHR0 should be 6n;
*
* exp_m = RHS1 - SHR1 + Toffset;
*
* RHS1 < BRL * 3;
* RHS1 <= SHR2 - 26;
* RHS1 >= SHR1 + 6;
* SHR1 >= 26;
* SHR1 <= RHS1 - 6;
* RHS1(n+1) >= RHS1(n) + BRL * 3 -FSC + 3;
*
* SHR1 should be 6n+2 and RHS1 should be 12n+2;
*
* exp_s = RHS2 - SHR2 + Toffset;
*
* RHS2 < BRL * 3 + RHS1;
* RHS2 <= SHR0 - 26;
* RHS2 >= SHR2 + 6;
* SHR2 >= RHS1 + 26;
* SHR2 <= RHS2 - 6;
* RHS1(n+1) >= RHS1(n) + BRL * 3 -FSC + 3;
*
* SHR2 should be 6n+4 and RHS2 should be 12n+4;
*/
/* The HDR mode vts is double by default to workaround T-line */
fsc = imx335->cur_vts;
fsc = fsc / 6 * 6;
shr0 = fsc - l_exp_time;
dev_dbg(&client->dev,
"line(%d) shr0 %d, l_exp_time %d, fsc %d\n",
__LINE__, shr0, l_exp_time, fsc);
rhs1 = (SHR1_MIN_X3 + m_exp_time + 11) / 12 * 12 + 2;
rhs1_max = RHS1_MAX_X3;
if (rhs1 < 32)
rhs1 = 32;
else if (rhs1 > rhs1_max)
rhs1 = rhs1_max;
dev_dbg(&client->dev,
"line(%d) rhs1 %d, m_exp_time %d rhs1_old %d\n",
__LINE__, rhs1, m_exp_time, rhs1_old);
//Dynamic adjustment rhs2 must meet the following conditions
rhs1_change_limit = rhs1_old + 3 * BRL - fsc + 3;
rhs1_change_limit = (rhs1_change_limit < 32) ? 32 : rhs1_change_limit;
rhs1_change_limit = (rhs1_change_limit + 11) / 12 * 12 + 2;
if (rhs1_max < rhs1_change_limit) {
dev_err(&client->dev,
"The total exposure limit makes rhs1 max is %d,but old rhs1 limit makes rhs1 min is %d\n",
rhs1_max, rhs1_change_limit);
return -EINVAL;
}
if (rhs1 < rhs1_change_limit)
rhs1 = rhs1_change_limit;
dev_dbg(&client->dev,
"line(%d) m_exp_time %d rhs1_old %d, rhs1_new %d\n",
__LINE__, m_exp_time, rhs1_old, rhs1);
rhs1_old = rhs1;
/* shr1 = rhs1 - s_exp_time */
if (rhs1 - m_exp_time <= SHR1_MIN_X3) {
shr1 = SHR1_MIN_X3;
m_exp_time = rhs1 - shr1;
} else {
shr1 = rhs1 - m_exp_time;
}
shr2_min = rhs1 + 26;
rhs2 = (shr2_min + s_exp_time + 11) / 12 * 12 + 4;
if (rhs2 > (shr0 - 26))
rhs2 = shr0 - 26;
else if (rhs2 < 64)
rhs2 = 64;
dev_dbg(&client->dev,
"line(%d) rhs2 %d, s_exp_time %d, rhs2_old %d\n",
__LINE__, rhs2, s_exp_time, rhs2_old);
//Dynamic adjustment rhs2 must meet the following conditions
rhs2_change_limit = rhs2_old + 3 * BRL - fsc + 3;
rhs2_change_limit = (rhs2_change_limit < 64) ? 64 : rhs2_change_limit;
rhs2_change_limit = (rhs2_change_limit + 11) / 12 * 12 + 4;
if ((shr0 - 26) < rhs2_change_limit) {
dev_err(&client->dev,
"The total exposure limit makes rhs2 max is %d,but old rhs1 limit makes rhs2 min is %d\n",
shr0 - 26, rhs2_change_limit);
return -EINVAL;
}
if (rhs2 < rhs2_change_limit)
rhs2 = rhs2_change_limit;
rhs2_old = rhs2;
/* shr2 = rhs2 - s_exp_time */
if (rhs2 - s_exp_time <= shr2_min) {
shr2 = shr2_min;
s_exp_time = rhs2 - shr2;
} else {
shr2 = rhs2 - s_exp_time;
}
dev_dbg(&client->dev,
"line(%d) rhs2_new %d, s_exp_time %d shr2 %d, rhs2_change_limit %d\n",
__LINE__, rhs2, s_exp_time, shr2, rhs2_change_limit);
if (shr0 < rhs2 + 26)
shr0 = rhs2 + 26;
else if (shr0 > fsc - 6)
shr0 = fsc - 6;
dev_dbg(&client->dev,
"long exposure: l_exp_time=%d, fsc=%d, shr0=%d, l_a_gain=%d\n",
l_exp_time, fsc, shr0, l_a_gain);
dev_dbg(&client->dev,
"middle exposure(SEF1): m_exp_time=%d, rhs1=%d, shr1=%d, m_a_gain=%d\n",
m_exp_time, rhs1, shr1, m_a_gain);
dev_dbg(&client->dev,
"short exposure(SEF2): s_exp_time=%d, rhs2=%d, shr2=%d, s_a_gain=%d\n",
s_exp_time, rhs2, shr2, s_a_gain);
/* time effect n+1 */
/* write SEF2 exposure RHS2 regs*/
ret |= imx335_write_reg(client,
IMX335_RHS2_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_L(rhs2));
ret |= imx335_write_reg(client,
IMX335_RHS2_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_M(rhs2));
ret |= imx335_write_reg(client,
IMX335_RHS2_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_H(rhs2));
/* write SEF2 exposure SHR2 regs*/
ret |= imx335_write_reg(client,
IMX335_SF2_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr2));
ret |= imx335_write_reg(client,
IMX335_SF2_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr2));
ret |= imx335_write_reg(client,
IMX335_SF2_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr2));
/* write SEF1 exposure RHS1 regs*/
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_L(rhs1));
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_M(rhs1));
ret |= imx335_write_reg(client,
IMX335_RHS1_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_RHS1_H(rhs1));
/* write SEF1 exposure SHR1 regs*/
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr1));
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr1));
ret |= imx335_write_reg(client,
IMX335_SF1_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr1));
/* write LF exposure SHR0 regs*/
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr0));
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr0));
ret |= imx335_write_reg(client,
IMX335_LF_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr0));
ret |= imx335_write_reg(client, IMX335_GROUP_HOLD_REG,
IMX335_REG_VALUE_08BIT, IMX335_GROUP_HOLD_END);
return ret;
}
static long imx335_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct imx335 *imx335 = to_imx335(sd);
struct rkmodule_hdr_cfg *hdr;
u32 i, h, w;
long ret = 0;
u32 stream = 0;
switch (cmd) {
case PREISP_CMD_SET_HDRAE_EXP:
if (imx335->cur_mode->hdr_mode == HDR_X2)
ret = imx335_set_hdrae(imx335, arg);
else if (imx335->cur_mode->hdr_mode == HDR_X3)
ret = imx335_set_hdrae_3frame(imx335, arg);
break;
case RKMODULE_GET_MODULE_INFO:
imx335_get_module_inf(imx335, (struct rkmodule_inf *)arg);
break;
case RKMODULE_GET_HDR_CFG:
hdr = (struct rkmodule_hdr_cfg *)arg;
hdr->esp.mode = HDR_NORMAL_VC;
hdr->hdr_mode = imx335->cur_mode->hdr_mode;
break;
case RKMODULE_SET_HDR_CFG:
hdr = (struct rkmodule_hdr_cfg *)arg;
w = imx335->cur_mode->width;
h = imx335->cur_mode->height;
for (i = 0; i < imx335->cfg_num; i++) {
if (w == supported_modes[i].width &&
h == supported_modes[i].height &&
supported_modes[i].hdr_mode == hdr->hdr_mode) {
imx335_change_mode(imx335, &supported_modes[i]);
break;
}
}
if (i == imx335->cfg_num) {
dev_err(&imx335->client->dev,
"not find hdr mode:%d %dx%d config\n",
hdr->hdr_mode, w, h);
ret = -EINVAL;
} else {
w = imx335->cur_mode->hts_def - imx335->cur_mode->width;
h = imx335->cur_mode->vts_def - imx335->cur_mode->height;
__v4l2_ctrl_modify_range(imx335->hblank, w, w, 1, w);
__v4l2_ctrl_modify_range(imx335->vblank, h,
IMX335_VTS_MAX - imx335->cur_mode->height,
1, h);
}
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
if (stream)
imx335_write_reg(imx335->client, IMX335_REG_CTRL_MODE,
IMX335_REG_VALUE_08BIT, 0);
else
imx335_write_reg(imx335->client, IMX335_REG_CTRL_MODE,
IMX335_REG_VALUE_08BIT, 1);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long imx335_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;
struct rkmodule_hdr_cfg *hdr;
struct preisp_hdrae_exp_s *hdrae;
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 = imx335_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 = imx335_ioctl(sd, cmd, cfg);
kfree(cfg);
break;
case RKMODULE_GET_HDR_CFG:
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
if (!hdr) {
ret = -ENOMEM;
return ret;
}
ret = imx335_ioctl(sd, cmd, hdr);
if (!ret)
ret = copy_to_user(up, hdr, sizeof(*hdr));
kfree(hdr);
break;
case RKMODULE_SET_HDR_CFG:
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
if (!hdr) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(hdr, up, sizeof(*hdr));
if (!ret)
ret = imx335_ioctl(sd, cmd, hdr);
kfree(hdr);
break;
case PREISP_CMD_SET_HDRAE_EXP:
hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL);
if (!hdrae) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(hdrae, up, sizeof(*hdrae));
if (!ret)
ret = imx335_ioctl(sd, cmd, hdrae);
kfree(hdrae);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = imx335_ioctl(sd, cmd, &stream);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int __imx335_start_stream(struct imx335 *imx335)
{
int ret;
ret = imx335_write_array(imx335->client, imx335->cur_mode->reg_list);
if (ret)
return ret;
/* In case these controls are set before streaming */
ret = __v4l2_ctrl_handler_setup(&imx335->ctrl_handler);
if (ret)
return ret;
if (imx335->has_init_exp && imx335->cur_mode->hdr_mode != NO_HDR) {
ret = imx335_ioctl(&imx335->subdev, PREISP_CMD_SET_HDRAE_EXP,
&imx335->init_hdrae_exp);
if (ret) {
dev_err(&imx335->client->dev,
"init exp fail in hdr mode\n");
return ret;
}
}
return imx335_write_reg(imx335->client, IMX335_REG_CTRL_MODE,
IMX335_REG_VALUE_08BIT, 0);
}
static int __imx335_stop_stream(struct imx335 *imx335)
{
imx335->has_init_exp = false;
return imx335_write_reg(imx335->client, IMX335_REG_CTRL_MODE,
IMX335_REG_VALUE_08BIT, 1);
}
static int imx335_s_stream(struct v4l2_subdev *sd, int on)
{
struct imx335 *imx335 = to_imx335(sd);
struct i2c_client *client = imx335->client;
int ret = 0;
dev_dbg(&imx335->client->dev, "s_stream: %d. %dx%d, hdr: %d, bpp: %d\n",
on, imx335->cur_mode->width, imx335->cur_mode->height,
imx335->cur_mode->hdr_mode, imx335->cur_mode->bpp);
mutex_lock(&imx335->mutex);
on = !!on;
if (on == imx335->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 = __imx335_start_stream(imx335);
if (ret) {
v4l2_err(sd, "start stream failed while write regs\n");
pm_runtime_put(&client->dev);
goto unlock_and_return;
}
} else {
__imx335_stop_stream(imx335);
pm_runtime_put(&client->dev);
}
imx335->streaming = on;
unlock_and_return:
mutex_unlock(&imx335->mutex);
return ret;
}
static int imx335_s_power(struct v4l2_subdev *sd, int on)
{
struct imx335 *imx335 = to_imx335(sd);
struct i2c_client *client = imx335->client;
int ret = 0;
mutex_lock(&imx335->mutex);
if (imx335->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;
}
imx335->power_on = true;
} else {
pm_runtime_put(&client->dev);
imx335->power_on = false;
}
unlock_and_return:
mutex_unlock(&imx335->mutex);
return ret;
}
static int __imx335_power_on(struct imx335 *imx335)
{
int ret;
struct device *dev = &imx335->client->dev;
if (!IS_ERR_OR_NULL(imx335->pins_default)) {
ret = pinctrl_select_state(imx335->pinctrl,
imx335->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
ret = regulator_bulk_enable(IMX335_NUM_SUPPLIES, imx335->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto err_pinctrl;
}
if (!IS_ERR(imx335->reset_gpio))
gpiod_set_value_cansleep(imx335->reset_gpio, 1);
/* At least 500ns between power raising and Reset */
udelay(10);
if (!IS_ERR(imx335->reset_gpio))
gpiod_set_value_cansleep(imx335->reset_gpio, 0);
ret = clk_set_rate(imx335->xvclk, IMX335_XVCLK_FREQ_37M);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate\n");
if (clk_get_rate(imx335->xvclk) != IMX335_XVCLK_FREQ_37M)
dev_warn(dev, "xvclk mismatched\n");
ret = clk_prepare_enable(imx335->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
goto err_clk;
}
/* At least 20us between Reset and I2C communication */
usleep_range(20, 30);
return 0;
err_clk:
if (!IS_ERR(imx335->reset_gpio))
gpiod_set_value_cansleep(imx335->reset_gpio, 1);
regulator_bulk_disable(IMX335_NUM_SUPPLIES, imx335->supplies);
err_pinctrl:
if (!IS_ERR_OR_NULL(imx335->pins_sleep))
pinctrl_select_state(imx335->pinctrl, imx335->pins_sleep);
return ret;
}
static void __imx335_power_off(struct imx335 *imx335)
{
int ret;
struct device *dev = &imx335->client->dev;
if (!IS_ERR(imx335->reset_gpio))
gpiod_set_value_cansleep(imx335->reset_gpio, 1);
clk_disable_unprepare(imx335->xvclk);
if (!IS_ERR_OR_NULL(imx335->pins_sleep)) {
ret = pinctrl_select_state(imx335->pinctrl,
imx335->pins_sleep);
if (ret < 0)
dev_dbg(dev, "could not set pins\n");
}
regulator_bulk_disable(IMX335_NUM_SUPPLIES, imx335->supplies);
}
static int imx335_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx335 *imx335 = to_imx335(sd);
return __imx335_power_on(imx335);
}
static int imx335_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx335 *imx335 = to_imx335(sd);
__imx335_power_off(imx335);
return 0;
}
static int imx335_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct imx335 *imx335 = to_imx335(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
const struct imx335_mode *def_mode = &supported_modes[0];
mutex_lock(&imx335->mutex);
/* Initialize try_fmt */
try_fmt->width = def_mode->width;
try_fmt->height = def_mode->height;
try_fmt->code = def_mode->bus_fmt;
try_fmt->field = V4L2_FIELD_NONE;
mutex_unlock(&imx335->mutex);
/* No crop or compose */
return 0;
}
static int imx335_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
struct imx335 *imx335 = to_imx335(sd);
if (fie->index >= imx335->cfg_num)
return -EINVAL;
fie->code = supported_modes[fie->index].bus_fmt;
fie->width = supported_modes[fie->index].width;
fie->height = supported_modes[fie->index].height;
fie->interval = supported_modes[fie->index].max_fps;
fie->reserved[0] = supported_modes[fie->index].hdr_mode;
return 0;
}
#define DST_WIDTH 2592
#define DST_HEIGHT 1944
/*
* The resolution of the driver configuration needs to be exactly
* the same as the current output resolution of the sensor,
* the input width of the isp needs to be 16 aligned,
* the input height of the isp needs to be 8 aligned.
* Can be cropped to standard resolution by this function,
* otherwise it will crop out strange resolution according
* to the alignment rules.
*/
static int imx335_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
/*
* From "Pixel Array Image Drawing in All scan mode",
* there are 12 pixel offset on horizontal and vertical.
*/
if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) {
sel->r.left = 12;
sel->r.width = DST_WIDTH;
sel->r.top = 12;
sel->r.height = DST_HEIGHT;
return 0;
}
return -EINVAL;
}
static const struct dev_pm_ops imx335_pm_ops = {
SET_RUNTIME_PM_OPS(imx335_runtime_suspend,
imx335_runtime_resume, NULL)
};
static const struct v4l2_subdev_internal_ops imx335_internal_ops = {
.open = imx335_open,
};
static const struct v4l2_subdev_core_ops imx335_core_ops = {
.s_power = imx335_s_power,
.ioctl = imx335_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = imx335_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops imx335_video_ops = {
.s_stream = imx335_s_stream,
.g_frame_interval = imx335_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops imx335_pad_ops = {
.enum_mbus_code = imx335_enum_mbus_code,
.enum_frame_size = imx335_enum_frame_sizes,
.enum_frame_interval = imx335_enum_frame_interval,
.get_fmt = imx335_get_fmt,
.set_fmt = imx335_set_fmt,
.get_selection = imx335_get_selection,
.get_mbus_config = imx335_g_mbus_config,
};
static const struct v4l2_subdev_ops imx335_subdev_ops = {
.core = &imx335_core_ops,
.video = &imx335_video_ops,
.pad = &imx335_pad_ops,
};
static int imx335_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx335 *imx335 = container_of(ctrl->handler,
struct imx335, ctrl_handler);
struct i2c_client *client = imx335->client;
s64 max;
u32 vts = 0;
int ret = 0;
u32 shr0 = 0;
/* Propagate change of current control to all related controls */
switch (ctrl->id) {
case V4L2_CID_VBLANK:
if (imx335->cur_mode->hdr_mode == NO_HDR) {
/* Update max exposure while meeting expected vblanking */
max = imx335->cur_mode->height + ctrl->val - SHR0_MIN;
__v4l2_ctrl_modify_range(imx335->exposure,
imx335->exposure->minimum, max,
imx335->exposure->step,
imx335->exposure->default_value);
}
break;
}
if (!pm_runtime_get_if_in_use(&client->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
if (imx335->cur_mode->hdr_mode != NO_HDR)
goto ctrl_end;
shr0 = imx335->cur_vts - ctrl->val;
ret = imx335_write_reg(imx335->client, IMX335_LF_EXPO_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_L(shr0));
ret |= imx335_write_reg(imx335->client, IMX335_LF_EXPO_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_M(shr0));
ret |= imx335_write_reg(imx335->client, IMX335_LF_EXPO_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_EXP_H(shr0));
dev_dbg(&client->dev, "set exposure(shr0) %d = cur_vts(%d) - val(%d)\n",
shr0, imx335->cur_vts, ctrl->val);
break;
case V4L2_CID_ANALOGUE_GAIN:
if (imx335->cur_mode->hdr_mode != NO_HDR)
goto ctrl_end;
ret = imx335_write_reg(imx335->client, IMX335_LF_GAIN_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_GAIN_H(ctrl->val));
ret |= imx335_write_reg(imx335->client, IMX335_LF_GAIN_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_GAIN_L(ctrl->val));
dev_dbg(&client->dev, "set analog gain 0x%x\n", ctrl->val);
break;
case V4L2_CID_VBLANK:
vts = ctrl->val + imx335->cur_mode->height;
/*
* vts of hdr mode is double to correct T-line calculation.
* Restore before write to reg.
*/
if (imx335->cur_mode->hdr_mode == HDR_X2) {
vts = (vts + 3) / 4 * 4;
imx335->cur_vts = vts;
vts /= 2;
} else if (imx335->cur_mode->hdr_mode == HDR_X3) {
vts = (vts + 11) / 12 * 12;
imx335->cur_vts = vts;
vts /= 4;
} else {
imx335->cur_vts = vts;
}
ret = imx335_write_reg(imx335->client, IMX335_VTS_REG_L,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_VTS_L(vts));
ret |= imx335_write_reg(imx335->client, IMX335_VTS_REG_M,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_VTS_M(vts));
ret |= imx335_write_reg(imx335->client, IMX335_VTS_REG_H,
IMX335_REG_VALUE_08BIT,
IMX335_FETCH_VTS_H(vts));
dev_dbg(&client->dev, "set vblank 0x%x\n", ctrl->val);
break;
case V4L2_CID_HFLIP:
ret = imx335_write_reg(imx335->client, IMX335_HREVERSE_REG,
IMX335_REG_VALUE_08BIT, !!ctrl->val);
break;
case V4L2_CID_VFLIP:
if (ctrl->val) {
ret = imx335_write_reg(imx335->client, IMX335_VREVERSE_REG,
IMX335_REG_VALUE_08BIT, !!ctrl->val);
ret |= imx335_write_reg(imx335->client, 0x3081,
IMX335_REG_VALUE_08BIT, 0xfe);
ret |= imx335_write_reg(imx335->client, 0x3083,
IMX335_REG_VALUE_08BIT, 0xfe);
ret |= imx335_write_reg(imx335->client, 0x30b6,
IMX335_REG_VALUE_08BIT, 0xfa);
ret |= imx335_write_reg(imx335->client, 0x30b7,
IMX335_REG_VALUE_08BIT, 0x01);
ret |= imx335_write_reg(imx335->client, 0x3116,
IMX335_REG_VALUE_08BIT, 0x02);
ret |= imx335_write_reg(imx335->client, 0x3117,
IMX335_REG_VALUE_08BIT, 0x00);
} else {
ret = imx335_write_reg(imx335->client, IMX335_VREVERSE_REG,
IMX335_REG_VALUE_08BIT, !!ctrl->val);
ret |= imx335_write_reg(imx335->client, 0x3081,
IMX335_REG_VALUE_08BIT, 0x02);
ret |= imx335_write_reg(imx335->client, 0x3083,
IMX335_REG_VALUE_08BIT, 0x02);
ret |= imx335_write_reg(imx335->client, 0x30b6,
IMX335_REG_VALUE_08BIT, 0x00);
ret |= imx335_write_reg(imx335->client, 0x30b7,
IMX335_REG_VALUE_08BIT, 0x00);
ret |= imx335_write_reg(imx335->client, 0x3116,
IMX335_REG_VALUE_08BIT, 0x08);
ret |= imx335_write_reg(imx335->client, 0x3117,
IMX335_REG_VALUE_08BIT, 0x00);
}
break;
default:
dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
__func__, ctrl->id, ctrl->val);
break;
}
ctrl_end:
pm_runtime_put(&client->dev);
return ret;
}
static const struct v4l2_ctrl_ops imx335_ctrl_ops = {
.s_ctrl = imx335_set_ctrl,
};
static int imx335_initialize_controls(struct imx335 *imx335)
{
const struct imx335_mode *mode;
struct v4l2_ctrl_handler *handler;
s64 exposure_max, vblank_def;
u64 pixel_rate;
u32 h_blank;
int ret;
handler = &imx335->ctrl_handler;
mode = imx335->cur_mode;
ret = v4l2_ctrl_handler_init(handler, 8);
if (ret)
return ret;
handler->lock = &imx335->mutex;
imx335->link_freq = v4l2_ctrl_new_int_menu(handler, NULL,
V4L2_CID_LINK_FREQ,
ARRAY_SIZE(link_freq_items) - 1, 0,
link_freq_items);
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
pixel_rate = (u32)link_freq_items[0] / mode->bpp * 2 * IMX335_4LANES;
imx335->pixel_rate = v4l2_ctrl_new_std(handler, NULL,
V4L2_CID_PIXEL_RATE, 0, pixel_rate, 1, pixel_rate);
h_blank = mode->hts_def - mode->width;
imx335->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
h_blank, h_blank, 1, h_blank);
if (imx335->hblank)
imx335->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
imx335->vblank = v4l2_ctrl_new_std(handler, &imx335_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
IMX335_VTS_MAX - mode->height,
1, vblank_def);
imx335->cur_vts = mode->vts_def;
exposure_max = mode->vts_def - SHR0_MIN;
imx335->exposure = v4l2_ctrl_new_std(handler, &imx335_ctrl_ops,
V4L2_CID_EXPOSURE, IMX335_EXPOSURE_MIN,
exposure_max, IMX335_EXPOSURE_STEP,
mode->exp_def);
imx335->anal_a_gain = v4l2_ctrl_new_std(handler, &imx335_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, IMX335_GAIN_MIN,
IMX335_GAIN_MAX, IMX335_GAIN_STEP,
IMX335_GAIN_DEFAULT);
v4l2_ctrl_new_std(handler, &imx335_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(handler, &imx335_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
if (handler->error) {
ret = handler->error;
dev_err(&imx335->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
imx335->subdev.ctrl_handler = handler;
imx335->has_init_exp = false;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static int imx335_check_sensor_id(struct imx335 *imx335,
struct i2c_client *client)
{
struct device *dev = &imx335->client->dev;
u32 id = 0;
int ret;
ret = imx335_read_reg(client, IMX335_REG_CHIP_ID,
IMX335_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 imx335 id %06x\n", CHIP_ID);
return 0;
}
static int imx335_configure_regulators(struct imx335 *imx335)
{
unsigned int i;
for (i = 0; i < IMX335_NUM_SUPPLIES; i++)
imx335->supplies[i].supply = imx335_supply_names[i];
return devm_regulator_bulk_get(&imx335->client->dev,
IMX335_NUM_SUPPLIES,
imx335->supplies);
}
static int imx335_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct imx335 *imx335;
struct v4l2_subdev *sd;
char facing[2];
int ret;
u32 i, hdr_mode = 0;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
imx335 = devm_kzalloc(dev, sizeof(*imx335), GFP_KERNEL);
if (!imx335)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&imx335->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&imx335->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&imx335->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&imx335->len_name);
if (ret) {
dev_err(dev, "could not get module information!\n");
return -EINVAL;
}
ret = of_property_read_u32(node, OF_CAMERA_HDR_MODE, &hdr_mode);
if (ret) {
hdr_mode = NO_HDR;
dev_warn(dev, " Get hdr mode failed! no hdr default\n");
}
imx335->client = client;
imx335->cfg_num = ARRAY_SIZE(supported_modes);
for (i = 0; i < imx335->cfg_num; i++) {
if (hdr_mode == supported_modes[i].hdr_mode) {
imx335->cur_mode = &supported_modes[i];
break;
}
}
imx335->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(imx335->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
imx335->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(imx335->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
imx335->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(imx335->pinctrl)) {
imx335->pins_default =
pinctrl_lookup_state(imx335->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(imx335->pins_default))
dev_info(dev, "could not get default pinstate\n");
imx335->pins_sleep =
pinctrl_lookup_state(imx335->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(imx335->pins_sleep))
dev_info(dev, "could not get sleep pinstate\n");
} else {
dev_info(dev, "no pinctrl\n");
}
ret = imx335_configure_regulators(imx335);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
return ret;
}
mutex_init(&imx335->mutex);
sd = &imx335->subdev;
v4l2_i2c_subdev_init(sd, client, &imx335_subdev_ops);
ret = imx335_initialize_controls(imx335);
if (ret)
goto err_destroy_mutex;
ret = __imx335_power_on(imx335);
if (ret)
goto err_free_handler;
ret = imx335_check_sensor_id(imx335, client);
if (ret)
goto err_power_off;
sd->internal_ops = &imx335_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#if defined(CONFIG_MEDIA_CONTROLLER)
imx335->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &imx335->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(imx335->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
imx335->module_index, facing,
IMX335_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:
__imx335_power_off(imx335);
err_free_handler:
v4l2_ctrl_handler_free(&imx335->ctrl_handler);
err_destroy_mutex:
mutex_destroy(&imx335->mutex);
return ret;
}
static void imx335_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx335 *imx335 = to_imx335(sd);
v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
v4l2_ctrl_handler_free(&imx335->ctrl_handler);
mutex_destroy(&imx335->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__imx335_power_off(imx335);
pm_runtime_set_suspended(&client->dev);
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id imx335_of_match[] = {
{ .compatible = "sony,imx335" },
{},
};
MODULE_DEVICE_TABLE(of, imx335_of_match);
#endif
static const struct i2c_device_id imx335_match_id[] = {
{ "sony,imx335", 0 },
{ },
};
static struct i2c_driver imx335_i2c_driver = {
.driver = {
.name = IMX335_NAME,
.pm = &imx335_pm_ops,
.of_match_table = of_match_ptr(imx335_of_match),
},
.probe = &imx335_probe,
.remove = &imx335_remove,
.id_table = imx335_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&imx335_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&imx335_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("Sony imx335 sensor driver");
MODULE_LICENSE("GPL v2");
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