3404 lines
85 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* imx415 driver
*
* Copyright (C) 2020 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X00 first version.
* V0.0X01.0X01
* 1. fix hdr ae ratio error,
* 0x3260 should be set 0x01 in normal mode,
* should be 0x00 in hdr mode.
* 2. rhs1 should be 4n+1 when set hdr ae.
* V0.0X01.0X02
* 1. shr0 should be greater than (rsh1 + 9).
* 2. rhs1 should be ceil to 4n + 1.
* V0.0X01.0X03
* 1. support 12bit HDR DOL3
* 2. support HDR/Linear quick switch
* V0.0X01.0X04
* 1. support enum format info by aiq
* V0.0X01.0X05
* 1. fixed 10bit hdr2/hdr3 frame rate issue
* V0.0X01.0X06
* 1. support DOL3 10bit 20fps 1485Mbps
* 2. fixed linkfreq error
* V0.0X01.0X07
* 1. fix set_fmt & ioctl get mode unmatched issue.
* 2. need to set default vblank when change format.
* 3. enum all supported mode mbus_code, not just cur_mode.
* V0.0X01.0X08
* 1. add dcphy param for hdrx2 mode.
*/
#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>
#include <media/v4l2-fwnode.h>
#include <linux/of_graph.h>
#include "../platform/rockchip/isp/rkisp_tb_helper.h"
#include "cam-tb-setup.h"
#include "cam-sleep-wakeup.h"
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x08)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define MIPI_FREQ_1188M 1188000000
#define MIPI_FREQ_891M 891000000
#define MIPI_FREQ_446M 446000000
#define MIPI_FREQ_743M 743000000
#define MIPI_FREQ_297M 297000000
#define IMX415_4LANES 4
#define IMX415_2LANES 2
#define IMX415_MAX_PIXEL_RATE (MIPI_FREQ_891M / 10 * 2 * IMX415_4LANES)
#define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode"
#define IMX415_XVCLK_FREQ_37M 37125000
#define IMX415_XVCLK_FREQ_27M 27000000
/* TODO: Get the real chip id from reg */
#define CHIP_ID 0xE0
#define IMX415_REG_CHIP_ID 0x311A
#define IMX415_REG_CTRL_MODE 0x3000
#define IMX415_MODE_SW_STANDBY BIT(0)
#define IMX415_MODE_STREAMING 0x0
#define IMX415_LF_GAIN_REG_H 0x3091
#define IMX415_LF_GAIN_REG_L 0x3090
#define IMX415_SF1_GAIN_REG_H 0x3093
#define IMX415_SF1_GAIN_REG_L 0x3092
#define IMX415_SF2_GAIN_REG_H 0x3095
#define IMX415_SF2_GAIN_REG_L 0x3094
#define IMX415_LF_EXPO_REG_H 0x3052
#define IMX415_LF_EXPO_REG_M 0x3051
#define IMX415_LF_EXPO_REG_L 0x3050
#define IMX415_SF1_EXPO_REG_H 0x3056
#define IMX415_SF1_EXPO_REG_M 0x3055
#define IMX415_SF1_EXPO_REG_L 0x3054
#define IMX415_SF2_EXPO_REG_H 0x305A
#define IMX415_SF2_EXPO_REG_M 0x3059
#define IMX415_SF2_EXPO_REG_L 0x3058
#define IMX415_RHS1_REG_H 0x3062
#define IMX415_RHS1_REG_M 0x3061
#define IMX415_RHS1_REG_L 0x3060
#define IMX415_RHS1_DEFAULT 0x004D
#define IMX415_RHS2_REG_H 0x3066
#define IMX415_RHS2_REG_M 0x3065
#define IMX415_RHS2_REG_L 0x3064
#define IMX415_RHS2_DEFAULT 0x004D
#define IMX415_EXPOSURE_MIN 4
#define IMX415_EXPOSURE_STEP 1
#define IMX415_VTS_MAX 0x7fff
#define IMX415_GAIN_MIN 0x00
#define IMX415_GAIN_MAX 0xf0
#define IMX415_GAIN_STEP 1
#define IMX415_GAIN_DEFAULT 0x00
#define IMX415_FETCH_GAIN_H(VAL) (((VAL) >> 8) & 0x07)
#define IMX415_FETCH_GAIN_L(VAL) ((VAL) & 0xFF)
#define IMX415_FETCH_EXP_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX415_FETCH_EXP_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX415_FETCH_EXP_L(VAL) ((VAL) & 0xFF)
#define IMX415_FETCH_RHS1_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX415_FETCH_RHS1_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX415_FETCH_RHS1_L(VAL) ((VAL) & 0xFF)
#define IMX415_FETCH_VTS_H(VAL) (((VAL) >> 16) & 0x0F)
#define IMX415_FETCH_VTS_M(VAL) (((VAL) >> 8) & 0xFF)
#define IMX415_FETCH_VTS_L(VAL) ((VAL) & 0xFF)
#define IMX415_VTS_REG_L 0x3024
#define IMX415_VTS_REG_M 0x3025
#define IMX415_VTS_REG_H 0x3026
#define IMX415_MIRROR_BIT_MASK BIT(0)
#define IMX415_FLIP_BIT_MASK BIT(1)
#define IMX415_FLIP_REG 0x3030
#define REG_NULL 0xFFFF
#define REG_DELAY 0xFFFE
#define IMX415_REG_VALUE_08BIT 1
#define IMX415_REG_VALUE_16BIT 2
#define IMX415_REG_VALUE_24BIT 3
#define IMX415_GROUP_HOLD_REG 0x3001
#define IMX415_GROUP_HOLD_START 0x01
#define IMX415_GROUP_HOLD_END 0x00
/* Basic Readout Lines. Number of necessary readout lines in sensor */
#define BRL_ALL 2228u
#define BRL_BINNING 1115u
/* Readout timing setting of SEF1(DOL2): RHS1 < 2 * BRL and should be 4n + 1 */
#define RHS1_MAX_X2(VAL) (((VAL) * 2 - 1) / 4 * 4 + 1)
#define SHR1_MIN_X2 9u
/* Readout timing setting of SEF1(DOL3): RHS1 < 3 * BRL and should be 6n + 1 */
#define RHS1_MAX_X3(VAL) (((VAL) * 3 - 1) / 6 * 6 + 1)
#define SHR1_MIN_X3 13u
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define RKMODULE_CAMERA_FASTBOOT_ENABLE "rockchip,camera_fastboot"
#define IMX415_NAME "imx415"
static const char * const imx415_supply_names[] = {
"dvdd", /* Digital core power */
"dovdd", /* Digital I/O power */
"avdd", /* Analog power */
};
#define IMX415_NUM_SUPPLIES ARRAY_SIZE(imx415_supply_names)
struct regval {
u16 addr;
u8 val;
};
struct imx415_mode {
u32 bus_fmt;
u32 width;
u32 height;
struct v4l2_fract max_fps;
u32 hts_def;
u32 vts_def;
u32 exp_def;
u32 mipi_freq_idx;
u32 bpp;
const struct regval *global_reg_list;
const struct regval *reg_list;
u32 hdr_mode;
u32 vc[PAD_MAX];
u32 xvclk;
};
struct imx415 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct gpio_desc *power_gpio;
struct regulator_bulk_data supplies[IMX415_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;
u32 is_thunderboot;
bool is_thunderboot_ng;
bool is_first_streamoff;
const struct imx415_mode *supported_modes;
const struct imx415_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;
struct v4l2_fwnode_endpoint bus_cfg;
struct cam_sw_info *cam_sw_inf;
int rhs1_old;
int rhs2_old;
u32 cur_exposure[3];
u32 cur_gain[3];
u32 pclk;
u32 tline;
bool is_tline_init;
};
static struct rkmodule_csi_dphy_param dcphy_param = {
.vendor = PHY_VENDOR_SAMSUNG,
.lp_vol_ref = 6,
.lp_hys_sw = {3, 0, 0, 0},
.lp_escclk_pol_sel = {1, 1, 1, 1},
.skew_data_cal_clk = {0, 3, 3, 3},
.clk_hs_term_sel = 2,
.data_hs_term_sel = {2, 2, 2, 2},
.reserved = {0},
};
#define to_imx415(sd) container_of(sd, struct imx415, subdev)
/*
* Xclk 37.125Mhz
*/
static __maybe_unused const struct regval imx415_global_12bit_3864x2192_regs[] = {
{0x3002, 0x00},
{0x3008, 0x7F},
{0x300A, 0x5B},
{0x30C1, 0x00},
{0x3031, 0x01},
{0x3032, 0x01},
{0x30D9, 0x06},
{0x3116, 0x24},
{0x3118, 0xC0},
{0x311E, 0x24},
{0x32D4, 0x21},
{0x32EC, 0xA1},
{0x3452, 0x7F},
{0x3453, 0x03},
{0x358A, 0x04},
{0x35A1, 0x02},
{0x36BC, 0x0C},
{0x36CC, 0x53},
{0x36CD, 0x00},
{0x36CE, 0x3C},
{0x36D0, 0x8C},
{0x36D1, 0x00},
{0x36D2, 0x71},
{0x36D4, 0x3C},
{0x36D6, 0x53},
{0x36D7, 0x00},
{0x36D8, 0x71},
{0x36DA, 0x8C},
{0x36DB, 0x00},
{0x3701, 0x03},
{0x3724, 0x02},
{0x3726, 0x02},
{0x3732, 0x02},
{0x3734, 0x03},
{0x3736, 0x03},
{0x3742, 0x03},
{0x3862, 0xE0},
{0x38CC, 0x30},
{0x38CD, 0x2F},
{0x395C, 0x0C},
{0x3A42, 0xD1},
{0x3A4C, 0x77},
{0x3AE0, 0x02},
{0x3AEC, 0x0C},
{0x3B00, 0x2E},
{0x3B06, 0x29},
{0x3B98, 0x25},
{0x3B99, 0x21},
{0x3B9B, 0x13},
{0x3B9C, 0x13},
{0x3B9D, 0x13},
{0x3B9E, 0x13},
{0x3BA1, 0x00},
{0x3BA2, 0x06},
{0x3BA3, 0x0B},
{0x3BA4, 0x10},
{0x3BA5, 0x14},
{0x3BA6, 0x18},
{0x3BA7, 0x1A},
{0x3BA8, 0x1A},
{0x3BA9, 0x1A},
{0x3BAC, 0xED},
{0x3BAD, 0x01},
{0x3BAE, 0xF6},
{0x3BAF, 0x02},
{0x3BB0, 0xA2},
{0x3BB1, 0x03},
{0x3BB2, 0xE0},
{0x3BB3, 0x03},
{0x3BB4, 0xE0},
{0x3BB5, 0x03},
{0x3BB6, 0xE0},
{0x3BB7, 0x03},
{0x3BB8, 0xE0},
{0x3BBA, 0xE0},
{0x3BBC, 0xDA},
{0x3BBE, 0x88},
{0x3BC0, 0x44},
{0x3BC2, 0x7B},
{0x3BC4, 0xA2},
{0x3BC8, 0xBD},
{0x3BCA, 0xBD},
{0x4004, 0x48},
{0x4005, 0x09},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_linear_12bit_3864x2192_891M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xCA},
{0x3025, 0x08},
{0x3028, 0x4C},
{0x3029, 0x04},
{0x302C, 0x00},
{0x302D, 0x00},
{0x3033, 0x05},
{0x3050, 0x08},
{0x3051, 0x00},
{0x3054, 0x19},
{0x3058, 0x3E},
{0x3060, 0x25},
{0x3064, 0x4A},
{0x30CF, 0x00},
{0x3260, 0x01},
{0x400C, 0x00},
{0x4018, 0x7F},
{0x401A, 0x37},
{0x401C, 0x37},
{0x401E, 0xF7},
{0x401F, 0x00},
{0x4020, 0x3F},
{0x4022, 0x6F},
{0x4024, 0x3F},
{0x4026, 0x5F},
{0x4028, 0x2F},
{0x4074, 0x01},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr2_12bit_3864x2192_1782M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xCA},
{0x3025, 0x08},
{0x3028, 0x26},
{0x3029, 0x02},
{0x302C, 0x01},
{0x302D, 0x01},
{0x3033, 0x04},
{0x3050, 0x90},
{0x3051, 0x0D},
{0x3054, 0x09},
{0x3058, 0x3E},
{0x3060, 0x4D},
{0x3064, 0x4A},
{0x30CF, 0x01},
{0x3260, 0x00},
{0x400C, 0x01},
{0x4018, 0xB7},
{0x401A, 0x67},
{0x401C, 0x6F},
{0x401E, 0xDF},
{0x401F, 0x01},
{0x4020, 0x6F},
{0x4022, 0xCF},
{0x4024, 0x6F},
{0x4026, 0xB7},
{0x4028, 0x5F},
{0x4074, 0x00},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr3_12bit_3864x2192_1782M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0x96},
{0x3025, 0x06},
{0x3028, 0x26},
{0x3029, 0x02},
{0x302C, 0x01},
{0x302D, 0x02},
{0x3033, 0x04},
{0x3050, 0x14},
{0x3051, 0x01},
{0x3054, 0x0D},
{0x3058, 0x26},
{0x3060, 0x19},
{0x3064, 0x32},
{0x30CF, 0x03},
{0x3260, 0x00},
{0x400C, 0x01},
{0x4018, 0xB7},
{0x401A, 0x67},
{0x401C, 0x6F},
{0x401E, 0xDF},
{0x401F, 0x01},
{0x4020, 0x6F},
{0x4022, 0xCF},
{0x4024, 0x6F},
{0x4026, 0xB7},
{0x4028, 0x5F},
{0x4074, 0x00},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_global_10bit_3864x2192_regs[] = {
{0x3002, 0x00},
{0x3008, 0x7F},
{0x300A, 0x5B},
{0x3031, 0x00},
{0x3032, 0x00},
{0x30C1, 0x00},
{0x30D9, 0x06},
{0x3116, 0x24},
{0x311E, 0x24},
{0x32D4, 0x21},
{0x32EC, 0xA1},
{0x3452, 0x7F},
{0x3453, 0x03},
{0x358A, 0x04},
{0x35A1, 0x02},
{0x36BC, 0x0C},
{0x36CC, 0x53},
{0x36CD, 0x00},
{0x36CE, 0x3C},
{0x36D0, 0x8C},
{0x36D1, 0x00},
{0x36D2, 0x71},
{0x36D4, 0x3C},
{0x36D6, 0x53},
{0x36D7, 0x00},
{0x36D8, 0x71},
{0x36DA, 0x8C},
{0x36DB, 0x00},
{0x3701, 0x00},
{0x3724, 0x02},
{0x3726, 0x02},
{0x3732, 0x02},
{0x3734, 0x03},
{0x3736, 0x03},
{0x3742, 0x03},
{0x3862, 0xE0},
{0x38CC, 0x30},
{0x38CD, 0x2F},
{0x395C, 0x0C},
{0x3A42, 0xD1},
{0x3A4C, 0x77},
{0x3AE0, 0x02},
{0x3AEC, 0x0C},
{0x3B00, 0x2E},
{0x3B06, 0x29},
{0x3B98, 0x25},
{0x3B99, 0x21},
{0x3B9B, 0x13},
{0x3B9C, 0x13},
{0x3B9D, 0x13},
{0x3B9E, 0x13},
{0x3BA1, 0x00},
{0x3BA2, 0x06},
{0x3BA3, 0x0B},
{0x3BA4, 0x10},
{0x3BA5, 0x14},
{0x3BA6, 0x18},
{0x3BA7, 0x1A},
{0x3BA8, 0x1A},
{0x3BA9, 0x1A},
{0x3BAC, 0xED},
{0x3BAD, 0x01},
{0x3BAE, 0xF6},
{0x3BAF, 0x02},
{0x3BB0, 0xA2},
{0x3BB1, 0x03},
{0x3BB2, 0xE0},
{0x3BB3, 0x03},
{0x3BB4, 0xE0},
{0x3BB5, 0x03},
{0x3BB6, 0xE0},
{0x3BB7, 0x03},
{0x3BB8, 0xE0},
{0x3BBA, 0xE0},
{0x3BBC, 0xDA},
{0x3BBE, 0x88},
{0x3BC0, 0x44},
{0x3BC2, 0x7B},
{0x3BC4, 0xA2},
{0x3BC8, 0xBD},
{0x3BCA, 0xBD},
{0x4004, 0x48},
{0x4005, 0x09},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr3_10bit_3864x2192_1485M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xBD},
{0x3025, 0x06},
{0x3028, 0x1A},
{0x3029, 0x02},
{0x302C, 0x01},
{0x302D, 0x02},
{0x3033, 0x08},
{0x3050, 0x90},
{0x3051, 0x15},
{0x3054, 0x0D},
{0x3058, 0xA4},
{0x3060, 0x97},
{0x3064, 0xB6},
{0x30CF, 0x03},
{0x3118, 0xA0},
{0x3260, 0x00},
{0x400C, 0x01},
{0x4018, 0xA7},
{0x401A, 0x57},
{0x401C, 0x5F},
{0x401E, 0x97},
{0x401F, 0x01},
{0x4020, 0x5F},
{0x4022, 0xAF},
{0x4024, 0x5F},
{0x4026, 0x9F},
{0x4028, 0x4F},
{0x4074, 0x00},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr3_10bit_3864x2192_1782M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xEA},
{0x3025, 0x07},
{0x3028, 0xCA},
{0x3029, 0x01},
{0x302C, 0x01},
{0x302D, 0x02},
{0x3033, 0x04},
{0x3050, 0x3E},
{0x3051, 0x01},
{0x3054, 0x0D},
{0x3058, 0x9E},
{0x3060, 0x91},
{0x3064, 0xC2},
{0x30CF, 0x03},
{0x3118, 0xC0},
{0x3260, 0x00},
{0x400C, 0x01},
{0x4018, 0xB7},
{0x401A, 0x67},
{0x401C, 0x6F},
{0x401E, 0xDF},
{0x401F, 0x01},
{0x4020, 0x6F},
{0x4022, 0xCF},
{0x4024, 0x6F},
{0x4026, 0xB7},
{0x4028, 0x5F},
{0x4074, 0x00},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr2_10bit_3864x2192_1485M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xFC},
{0x3025, 0x08},
{0x3028, 0x1A},
{0x3029, 0x02},
{0x302C, 0x01},
{0x302D, 0x01},
{0x3033, 0x08},
{0x3050, 0xA8},
{0x3051, 0x0D},
{0x3054, 0x09},
{0x3058, 0x3E},
{0x3060, 0x4D},
{0x3064, 0x4a},
{0x30CF, 0x01},
{0x3118, 0xA0},
{0x3260, 0x00},
{0x400C, 0x01},
{0x4018, 0xA7},
{0x401A, 0x57},
{0x401C, 0x5F},
{0x401E, 0x97},
{0x401F, 0x01},
{0x4020, 0x5F},
{0x4022, 0xAF},
{0x4024, 0x5F},
{0x4026, 0x9F},
{0x4028, 0x4F},
{0x4074, 0x00},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_linear_10bit_3864x2192_891M_regs[] = {
{0x3020, 0x00},
{0x3021, 0x00},
{0x3022, 0x00},
{0x3024, 0xCA},
{0x3025, 0x08},
{0x3028, 0x4C},
{0x3029, 0x04},
{0x302C, 0x00},
{0x302D, 0x00},
{0x3033, 0x05},
{0x3050, 0x08},
{0x3051, 0x00},
{0x3054, 0x19},
{0x3058, 0x3E},
{0x3060, 0x25},
{0x3064, 0x4a},
{0x30CF, 0x00},
{0x3118, 0xC0},
{0x3260, 0x01},
{0x400C, 0x00},
{0x4018, 0x7F},
{0x401A, 0x37},
{0x401C, 0x37},
{0x401E, 0xF7},
{0x401F, 0x00},
{0x4020, 0x3F},
{0x4022, 0x6F},
{0x4024, 0x3F},
{0x4026, 0x5F},
{0x4028, 0x2F},
{0x4074, 0x01},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_linear_12bit_1932x1096_594M_regs[] = {
{0x3020, 0x01},
{0x3021, 0x01},
{0x3022, 0x01},
{0x3024, 0x5D},
{0x3025, 0x0C},
{0x3028, 0x0E},
{0x3029, 0x03},
{0x302C, 0x00},
{0x302D, 0x00},
{0x3031, 0x00},
{0x3033, 0x07},
{0x3050, 0x08},
{0x3051, 0x00},
{0x3054, 0x19},
{0x3058, 0x3E},
{0x3060, 0x25},
{0x3064, 0x4A},
{0x30CF, 0x00},
{0x30D9, 0x02},
{0x30DA, 0x01},
{0x3118, 0x80},
{0x3260, 0x01},
{0x3701, 0x00},
{0x400C, 0x00},
{0x4018, 0x67},
{0x401A, 0x27},
{0x401C, 0x27},
{0x401E, 0xB7},
{0x401F, 0x00},
{0x4020, 0x2F},
{0x4022, 0x4F},
{0x4024, 0x2F},
{0x4026, 0x47},
{0x4028, 0x27},
{0x4074, 0x01},
{REG_NULL, 0x00},
};
static __maybe_unused const struct regval imx415_hdr2_12bit_1932x1096_891M_regs[] = {
{0x3020, 0x01},
{0x3021, 0x01},
{0x3022, 0x01},
{0x3024, 0xFC},
{0x3025, 0x08},
{0x3028, 0x1A},
{0x3029, 0x02},
{0x302C, 0x01},
{0x302D, 0x01},
{0x3031, 0x00},
{0x3033, 0x05},
{0x3050, 0xB8},
{0x3051, 0x00},
{0x3054, 0x09},
{0x3058, 0x3E},
{0x3060, 0x25},
{0x3064, 0x4A},
{0x30CF, 0x01},
{0x30D9, 0x02},
{0x30DA, 0x01},
{0x3118, 0xC0},
{0x3260, 0x00},
{0x3701, 0x00},
{0x400C, 0x00},
{0x4018, 0xA7},
{0x401A, 0x57},
{0x401C, 0x5F},
{0x401E, 0x97},
{0x401F, 0x01},
{0x4020, 0x5F},
{0x4022, 0xAF},
{0x4024, 0x5F},
{0x4026, 0x9F},
{0x4028, 0x4F},
{0x4074, 0x01},
{REG_NULL, 0x00},
};
/*
* Xclk 27Mhz
* 15fps
* CSI-2_2lane
* AD:12bit Output:12bit
* 891Mbps
* Master Mode
* Time 9.988ms Gain:6dB
* All-pixel
*/
static __maybe_unused const struct regval imx415_linear_12bit_3864x2192_891M_regs_2lane[] = {
{0x3008, 0x5D},
{0x300A, 0x42},
{0x3028, 0x98},
{0x3029, 0x08},
{0x3033, 0x05},
{0x3050, 0x79},
{0x3051, 0x07},
{0x3090, 0x14},
{0x30C1, 0x00},
{0x3116, 0x23},
{0x3118, 0xC6},
{0x311A, 0xE7},
{0x311E, 0x23},
{0x32D4, 0x21},
{0x32EC, 0xA1},
{0x344C, 0x2B},
{0x344D, 0x01},
{0x344E, 0xED},
{0x344F, 0x01},
{0x3450, 0xF6},
{0x3451, 0x02},
{0x3452, 0x7F},
{0x3453, 0x03},
{0x358A, 0x04},
{0x35A1, 0x02},
{0x35EC, 0x27},
{0x35EE, 0x8D},
{0x35F0, 0x8D},
{0x35F2, 0x29},
{0x36BC, 0x0C},
{0x36CC, 0x53},
{0x36CD, 0x00},
{0x36CE, 0x3C},
{0x36D0, 0x8C},
{0x36D1, 0x00},
{0x36D2, 0x71},
{0x36D4, 0x3C},
{0x36D6, 0x53},
{0x36D7, 0x00},
{0x36D8, 0x71},
{0x36DA, 0x8C},
{0x36DB, 0x00},
{0x3720, 0x00},
{0x3724, 0x02},
{0x3726, 0x02},
{0x3732, 0x02},
{0x3734, 0x03},
{0x3736, 0x03},
{0x3742, 0x03},
{0x3862, 0xE0},
{0x38CC, 0x30},
{0x38CD, 0x2F},
{0x395C, 0x0C},
{0x39A4, 0x07},
{0x39A8, 0x32},
{0x39AA, 0x32},
{0x39AC, 0x32},
{0x39AE, 0x32},
{0x39B0, 0x32},
{0x39B2, 0x2F},
{0x39B4, 0x2D},
{0x39B6, 0x28},
{0x39B8, 0x30},
{0x39BA, 0x30},
{0x39BC, 0x30},
{0x39BE, 0x30},
{0x39C0, 0x30},
{0x39C2, 0x2E},
{0x39C4, 0x2B},
{0x39C6, 0x25},
{0x3A42, 0xD1},
{0x3A4C, 0x77},
{0x3AE0, 0x02},
{0x3AEC, 0x0C},
{0x3B00, 0x2E},
{0x3B06, 0x29},
{0x3B98, 0x25},
{0x3B99, 0x21},
{0x3B9B, 0x13},
{0x3B9C, 0x13},
{0x3B9D, 0x13},
{0x3B9E, 0x13},
{0x3BA1, 0x00},
{0x3BA2, 0x06},
{0x3BA3, 0x0B},
{0x3BA4, 0x10},
{0x3BA5, 0x14},
{0x3BA6, 0x18},
{0x3BA7, 0x1A},
{0x3BA8, 0x1A},
{0x3BA9, 0x1A},
{0x3BAC, 0xED},
{0x3BAD, 0x01},
{0x3BAE, 0xF6},
{0x3BAF, 0x02},
{0x3BB0, 0xA2},
{0x3BB1, 0x03},
{0x3BB2, 0xE0},
{0x3BB3, 0x03},
{0x3BB4, 0xE0},
{0x3BB5, 0x03},
{0x3BB6, 0xE0},
{0x3BB7, 0x03},
{0x3BB8, 0xE0},
{0x3BBA, 0xE0},
{0x3BBC, 0xDA},
{0x3BBE, 0x88},
{0x3BC0, 0x44},
{0x3BC2, 0x7B},
{0x3BC4, 0xA2},
{0x3BC8, 0xBD},
{0x3BCA, 0xBD},
{0x4001, 0x01},
{0x4004, 0xC0},
{0x4005, 0x06},
{0x400C, 0x00},
{0x4018, 0x7F},
{0x401A, 0x37},
{0x401C, 0x37},
{0x401E, 0xF7},
{0x401F, 0x00},
{0x4020, 0x3F},
{0x4022, 0x6F},
{0x4024, 0x3F},
{0x4026, 0x5F},
{0x4028, 0x2F},
{0x4074, 0x01},
{0x3002, 0x00},
//{0x3000, 0x00},
{REG_DELAY, 0x1E},//wait_ms(30)
{REG_NULL, 0x00},
};
/*
* Xclk 27Mhz
* 90.059fps
* CSI-2_2lane
* AD:10bit Output:12bit
* 2376Mbps
* Master Mode
* Time 9.999ms Gain:6dB
* 2568x1440 2/2-line binning & Window cropping
*/
static __maybe_unused const struct regval imx415_linear_12bit_1284x720_2376M_regs_2lane[] = {
{0x3008, 0x5D},
{0x300A, 0x42},
{0x301C, 0x04},
{0x3020, 0x01},
{0x3021, 0x01},
{0x3022, 0x01},
{0x3024, 0xAB},
{0x3025, 0x07},
{0x3028, 0xA4},
{0x3029, 0x01},
{0x3031, 0x00},
{0x3033, 0x00},
{0x3040, 0x88},
{0x3041, 0x02},
{0x3042, 0x08},
{0x3043, 0x0A},
{0x3044, 0xF0},
{0x3045, 0x02},
{0x3046, 0x40},
{0x3047, 0x0B},
{0x3050, 0xC4},
{0x3090, 0x14},
{0x30C1, 0x00},
{0x30D9, 0x02},
{0x30DA, 0x01},
{0x3116, 0x23},
{0x3118, 0x08},
{0x3119, 0x01},
{0x311A, 0xE7},
{0x311E, 0x23},
{0x32D4, 0x21},
{0x32EC, 0xA1},
{0x344C, 0x2B},
{0x344D, 0x01},
{0x344E, 0xED},
{0x344F, 0x01},
{0x3450, 0xF6},
{0x3451, 0x02},
{0x3452, 0x7F},
{0x3453, 0x03},
{0x358A, 0x04},
{0x35A1, 0x02},
{0x35EC, 0x27},
{0x35EE, 0x8D},
{0x35F0, 0x8D},
{0x35F2, 0x29},
{0x36BC, 0x0C},
{0x36CC, 0x53},
{0x36CD, 0x00},
{0x36CE, 0x3C},
{0x36D0, 0x8C},
{0x36D1, 0x00},
{0x36D2, 0x71},
{0x36D4, 0x3C},
{0x36D6, 0x53},
{0x36D7, 0x00},
{0x36D8, 0x71},
{0x36DA, 0x8C},
{0x36DB, 0x00},
{0x3701, 0x00},
{0x3720, 0x00},
{0x3724, 0x02},
{0x3726, 0x02},
{0x3732, 0x02},
{0x3734, 0x03},
{0x3736, 0x03},
{0x3742, 0x03},
{0x3862, 0xE0},
{0x38CC, 0x30},
{0x38CD, 0x2F},
{0x395C, 0x0C},
{0x39A4, 0x07},
{0x39A8, 0x32},
{0x39AA, 0x32},
{0x39AC, 0x32},
{0x39AE, 0x32},
{0x39B0, 0x32},
{0x39B2, 0x2F},
{0x39B4, 0x2D},
{0x39B6, 0x28},
{0x39B8, 0x30},
{0x39BA, 0x30},
{0x39BC, 0x30},
{0x39BE, 0x30},
{0x39C0, 0x30},
{0x39C2, 0x2E},
{0x39C4, 0x2B},
{0x39C6, 0x25},
{0x3A42, 0xD1},
{0x3A4C, 0x77},
{0x3AE0, 0x02},
{0x3AEC, 0x0C},
{0x3B00, 0x2E},
{0x3B06, 0x29},
{0x3B98, 0x25},
{0x3B99, 0x21},
{0x3B9B, 0x13},
{0x3B9C, 0x13},
{0x3B9D, 0x13},
{0x3B9E, 0x13},
{0x3BA1, 0x00},
{0x3BA2, 0x06},
{0x3BA3, 0x0B},
{0x3BA4, 0x10},
{0x3BA5, 0x14},
{0x3BA6, 0x18},
{0x3BA7, 0x1A},
{0x3BA8, 0x1A},
{0x3BA9, 0x1A},
{0x3BAC, 0xED},
{0x3BAD, 0x01},
{0x3BAE, 0xF6},
{0x3BAF, 0x02},
{0x3BB0, 0xA2},
{0x3BB1, 0x03},
{0x3BB2, 0xE0},
{0x3BB3, 0x03},
{0x3BB4, 0xE0},
{0x3BB5, 0x03},
{0x3BB6, 0xE0},
{0x3BB7, 0x03},
{0x3BB8, 0xE0},
{0x3BBA, 0xE0},
{0x3BBC, 0xDA},
{0x3BBE, 0x88},
{0x3BC0, 0x44},
{0x3BC2, 0x7B},
{0x3BC4, 0xA2},
{0x3BC8, 0xBD},
{0x3BCA, 0xBD},
{0x4001, 0x01},
{0x4004, 0xC0},
{0x4005, 0x06},
{0x4018, 0xE7},
{0x401A, 0x8F},
{0x401C, 0x8F},
{0x401E, 0x7F},
{0x401F, 0x02},
{0x4020, 0x97},
{0x4022, 0x0F},
{0x4023, 0x01},
{0x4024, 0x97},
{0x4026, 0xF7},
{0x4028, 0x7F},
{0x3002, 0x00},
//{0x3000, 0x00},
{REG_DELAY, 0x1E},//wait_ms(30)
{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 imx415_mode supported_modes[] = {
/*
* frame rate = 1 / (Vtt * 1H) = 1 / (VMAX * 1H)
* VMAX >= (PIX_VWIDTH / 2) + 46 = height + 46
*/
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG10_1X10,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x08ca - 0x08,
.hts_def = 0x044c * IMX415_4LANES * 2,
.vts_def = 0x08ca,
.global_reg_list = imx415_global_10bit_3864x2192_regs,
.reg_list = imx415_linear_10bit_3864x2192_891M_regs,
.hdr_mode = NO_HDR,
.mipi_freq_idx = 1,
.bpp = 10,
.vc[PAD0] = 0,
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG10_1X10,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x08fc * 2 - 0x0da8,
.hts_def = 0x0226 * IMX415_4LANES * 2,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double to workaround.
*/
.vts_def = 0x08fc * 2,
.global_reg_list = imx415_global_10bit_3864x2192_regs,
.reg_list = imx415_hdr2_10bit_3864x2192_1485M_regs,
.hdr_mode = HDR_X2,
.mipi_freq_idx = 2,
.bpp = 10,
.vc[PAD0] = 1,
.vc[PAD1] = 0,//L->csi wr0
.vc[PAD2] = 1,
.vc[PAD3] = 1,//M->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG10_1X10,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 200000,
},
.exp_def = 0x13e,
.hts_def = 0x021A * IMX415_4LANES * 2,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double to workaround.
*/
.vts_def = 0x06BD * 4,
.global_reg_list = imx415_global_10bit_3864x2192_regs,
.reg_list = imx415_hdr3_10bit_3864x2192_1485M_regs,
.hdr_mode = HDR_X3,
.mipi_freq_idx = 2,
.bpp = 10,
.vc[PAD0] = 2,
.vc[PAD1] = 1,//M->csi wr0
.vc[PAD2] = 0,//L->csi wr0
.vc[PAD3] = 2,//S->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG10_1X10,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 200000,
},
.exp_def = 0x13e,
.hts_def = 0x01ca * IMX415_4LANES * 2,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double to workaround.
*/
.vts_def = 0x07ea * 4,
.global_reg_list = imx415_global_10bit_3864x2192_regs,
.reg_list = imx415_hdr3_10bit_3864x2192_1782M_regs,
.hdr_mode = HDR_X3,
.mipi_freq_idx = 3,
.bpp = 10,
.vc[PAD0] = 2,
.vc[PAD1] = 1,//M->csi wr0
.vc[PAD2] = 0,//L->csi wr0
.vc[PAD3] = 2,//S->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
/* 1H period = (1100 clock) = (1100 * 1 / 74.25MHz) */
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x08ca - 0x08,
.hts_def = 0x044c * IMX415_4LANES * 2,
.vts_def = 0x08ca,
.global_reg_list = imx415_global_12bit_3864x2192_regs,
.reg_list = imx415_linear_12bit_3864x2192_891M_regs,
.hdr_mode = NO_HDR,
.mipi_freq_idx = 1,
.bpp = 12,
.vc[PAD0] = 0,
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x08CA * 2 - 0x0d90,
.hts_def = 0x0226 * IMX415_4LANES * 2,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double(that is FSC) to workaround.
*/
.vts_def = 0x08CA * 2,
.global_reg_list = imx415_global_12bit_3864x2192_regs,
.reg_list = imx415_hdr2_12bit_3864x2192_1782M_regs,
.hdr_mode = HDR_X2,
.mipi_freq_idx = 3,
.bpp = 12,
.vc[PAD0] = 1,
.vc[PAD1] = 0,//L->csi wr0
.vc[PAD2] = 1,
.vc[PAD3] = 1,//M->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 200000,
},
.exp_def = 0x114,
.hts_def = 0x0226 * IMX415_4LANES * 2,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double(that is FSC) to workaround.
*/
.vts_def = 0x0696 * 4,
.global_reg_list = imx415_global_12bit_3864x2192_regs,
.reg_list = imx415_hdr3_12bit_3864x2192_1782M_regs,
.hdr_mode = HDR_X3,
.mipi_freq_idx = 3,
.bpp = 12,
.vc[PAD0] = 2,
.vc[PAD1] = 1,//M->csi wr0
.vc[PAD2] = 0,//L->csi wr0
.vc[PAD3] = 2,//S->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 1944,
.height = 1097,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x05dc - 0x08,
.hts_def = 0x030e * 3,
.vts_def = 0x0c5d,
.global_reg_list = imx415_global_12bit_3864x2192_regs,
.reg_list = imx415_linear_12bit_1932x1096_594M_regs,
.hdr_mode = NO_HDR,
.mipi_freq_idx = 0,
.bpp = 12,
.vc[PAD0] = 0,
.xvclk = IMX415_XVCLK_FREQ_37M,
},
{
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 1944,
.height = 1097,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x08FC / 4,
.hts_def = 0x021A * 4,
/*
* IMX415 HDR mode T-line is half of Linear mode,
* make vts double(that is FSC) to workaround.
*/
.vts_def = 0x08FC * 2,
.global_reg_list = imx415_global_12bit_3864x2192_regs,
.reg_list = imx415_hdr2_12bit_1932x1096_891M_regs,
.hdr_mode = HDR_X2,
.mipi_freq_idx = 1,
.bpp = 12,
.vc[PAD0] = 1,
.vc[PAD1] = 0,//L->csi wr0
.vc[PAD2] = 1,
.vc[PAD3] = 1,//M->csi wr2
.xvclk = IMX415_XVCLK_FREQ_37M,
},
};
static const struct imx415_mode supported_modes_2lane[] = {
{
/* 1H period = (1100 clock) = (1100 * 1 / 74.25MHz) */
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 3864,
.height = 2192,
.max_fps = {
.numerator = 10000,
.denominator = 150000,
},
.exp_def = 0x08ca - 0x08,
.hts_def = 0x0898 * IMX415_2LANES * 2,
.vts_def = 0x08ca,
.global_reg_list = NULL,
.reg_list = imx415_linear_12bit_3864x2192_891M_regs_2lane,
.hdr_mode = NO_HDR,
.mipi_freq_idx = 1,
.bpp = 12,
.vc[PAD0] = 0,
.xvclk = IMX415_XVCLK_FREQ_27M,
},
{
/* 1H period = (1100 clock) = (1100 * 1 / 74.25MHz) */
.bus_fmt = MEDIA_BUS_FMT_SGBRG12_1X12,
.width = 1284,
.height = 720,
.max_fps = {
.numerator = 10000,
.denominator = 900000,
},
.exp_def = 0x07AB-8,
.hts_def = 0x01A4 * IMX415_2LANES * 2,
.vts_def = 0x07AB,
.global_reg_list = NULL,
.reg_list = imx415_linear_12bit_1284x720_2376M_regs_2lane,
.hdr_mode = NO_HDR,
.mipi_freq_idx = 4,
.bpp = 12,
.vc[PAD0] = 0,
.xvclk = IMX415_XVCLK_FREQ_27M,
},
};
static const s64 link_freq_items[] = {
MIPI_FREQ_297M,
MIPI_FREQ_446M,
MIPI_FREQ_743M,
MIPI_FREQ_891M,
MIPI_FREQ_1188M,
};
/* Write registers up to 4 at a time */
static int imx415_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 imx415_write_array(struct i2c_client *client,
const struct regval *regs)
{
u32 i;
int ret = 0;
if (!regs) {
dev_err(&client->dev, "write reg array error\n");
return ret;
}
for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) {
if (regs[i].addr == REG_DELAY) {
usleep_range(regs[i].val * 1000, regs[i].val * 1000 + 500);
dev_info(&client->dev, "write reg array, sleep %dms\n", regs[i].val);
} else {
ret = imx415_write_reg(client, regs[i].addr,
IMX415_REG_VALUE_08BIT, regs[i].val);
}
}
return ret;
}
/* Read registers up to 4 at a time */
static int imx415_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 imx415_get_reso_dist(const struct imx415_mode *mode,
struct v4l2_mbus_framefmt *framefmt)
{
return abs(mode->width - framefmt->width) +
abs(mode->height - framefmt->height);
}
static const struct imx415_mode *
imx415_find_best_fit(struct imx415 *imx415, 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 < imx415->cfg_num; i++) {
dist = imx415_get_reso_dist(&imx415->supported_modes[i], framefmt);
if ((cur_best_fit_dist == -1 || dist < cur_best_fit_dist) &&
imx415->supported_modes[i].bus_fmt == framefmt->code) {
cur_best_fit_dist = dist;
cur_best_fit = i;
}
}
dev_info(&imx415->client->dev, "%s: cur_best_fit(%d)",
__func__, cur_best_fit);
return &imx415->supported_modes[cur_best_fit];
}
static int __imx415_power_on(struct imx415 *imx415);
static void imx415_change_mode(struct imx415 *imx415, const struct imx415_mode *mode)
{
if (imx415->is_thunderboot && rkisp_tb_get_state() == RKISP_TB_NG) {
imx415->is_thunderboot = false;
imx415->is_thunderboot_ng = true;
__imx415_power_on(imx415);
}
imx415->cur_mode = mode;
imx415->cur_vts = imx415->cur_mode->vts_def;
dev_info(&imx415->client->dev, "set fmt: cur_mode: %dx%d, hdr: %d, bpp: %d\n",
mode->width, mode->height, mode->hdr_mode, mode->bpp);
}
static int imx415_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx415 *imx415 = to_imx415(sd);
const struct imx415_mode *mode;
s64 h_blank, vblank_def, vblank_min;
u64 pixel_rate = 0;
u8 lanes = imx415->bus_cfg.bus.mipi_csi2.num_data_lanes;
mutex_lock(&imx415->mutex);
mode = imx415_find_best_fit(imx415, 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) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
#else
mutex_unlock(&imx415->mutex);
return -ENOTTY;
#endif
} else {
imx415_change_mode(imx415, mode);
h_blank = mode->hts_def - mode->width;
__v4l2_ctrl_modify_range(imx415->hblank, h_blank,
h_blank, 1, h_blank);
vblank_def = mode->vts_def - mode->height;
/* VMAX >= (PIX_VWIDTH / 2) + 46 = height + 46 */
vblank_min = (mode->height + 46) - mode->height;
__v4l2_ctrl_modify_range(imx415->vblank, vblank_min,
IMX415_VTS_MAX - mode->height,
1, vblank_def);
__v4l2_ctrl_s_ctrl(imx415->vblank, vblank_def);
__v4l2_ctrl_s_ctrl(imx415->link_freq, mode->mipi_freq_idx);
pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] /
mode->bpp * 2 * lanes;
__v4l2_ctrl_s_ctrl_int64(imx415->pixel_rate,
pixel_rate);
}
dev_info(&imx415->client->dev, "%s: mode->mipi_freq_idx(%d)",
__func__, mode->mipi_freq_idx);
mutex_unlock(&imx415->mutex);
return 0;
}
static int imx415_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx415 *imx415 = to_imx415(sd);
const struct imx415_mode *mode = imx415->cur_mode;
mutex_lock(&imx415->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(&imx415->mutex);
return -ENOTTY;
#endif
} 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(&imx415->mutex);
return 0;
}
static int imx415_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
struct imx415 *imx415 = to_imx415(sd);
if (code->index >= imx415->cfg_num)
return -EINVAL;
code->code = imx415->supported_modes[code->index].bus_fmt;
return 0;
}
static int imx415_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
struct imx415 *imx415 = to_imx415(sd);
if (fse->index >= imx415->cfg_num)
return -EINVAL;
if (fse->code != imx415->supported_modes[fse->index].bus_fmt)
return -EINVAL;
fse->min_width = imx415->supported_modes[fse->index].width;
fse->max_width = imx415->supported_modes[fse->index].width;
fse->max_height = imx415->supported_modes[fse->index].height;
fse->min_height = imx415->supported_modes[fse->index].height;
return 0;
}
static int imx415_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct imx415 *imx415 = to_imx415(sd);
const struct imx415_mode *mode = imx415->cur_mode;
fi->interval = mode->max_fps;
return 0;
}
static int imx415_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
struct v4l2_mbus_config *config)
{
struct imx415 *imx415 = to_imx415(sd);
u8 lanes = imx415->bus_cfg.bus.mipi_csi2.num_data_lanes;
config->type = V4L2_MBUS_CSI2_DPHY;
config->bus.mipi_csi2.num_data_lanes = lanes;
return 0;
}
static void imx415_get_module_inf(struct imx415 *imx415,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, IMX415_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, imx415->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, imx415->len_name, sizeof(inf->base.lens));
}
static void imx415_get_pclk_and_tline(struct imx415 *imx415)
{
const struct imx415_mode *mode = imx415->cur_mode;
imx415->pclk = (u32)div_u64((u64)mode->hts_def * mode->vts_def *
mode->max_fps.denominator, mode->max_fps.numerator);
imx415->tline = (u32)div_u64((u64)mode->hts_def * 1000000000, imx415->pclk);
}
static void imx415_hdr_exposure_readback(struct imx415 *imx415)
{
u32 shr, shr_l, shr_m, shr_h;
u32 rhs, rhs_l, rhs_m, rhs_h;
u32 gain, gain_l, gain_h;
int ret = 0;
if (!imx415->is_tline_init) {
imx415_get_pclk_and_tline(imx415);
imx415->is_tline_init = true;
}
ret = imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_L,
IMX415_REG_VALUE_08BIT, &shr_l);
ret |= imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_M,
IMX415_REG_VALUE_08BIT, &shr_m);
ret |= imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_H,
IMX415_REG_VALUE_08BIT, &shr_h);
if (!ret) {
shr = (shr_h << 16) | (shr_m << 8) | shr_l;
imx415->cur_exposure[0] = (imx415->cur_vts - shr) * imx415->tline;
} else {
dev_err(&imx415->client->dev,
"imx415 get exposure of long frame failed!\n");
}
ret = imx415_read_reg(imx415->client, IMX415_LF_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, &gain_h);
ret |= imx415_read_reg(imx415->client, IMX415_LF_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, &gain_l);
if (!ret) {
gain = (gain_h << 8) | gain_l;
imx415->cur_gain[0] = gain * 300;//step=0.3db,factor=1000
} else {
dev_err(&imx415->client->dev,
"imx415 get gain of long frame failed!\n");
}
ret = imx415_read_reg(imx415->client, IMX415_SF1_EXPO_REG_L,
IMX415_REG_VALUE_08BIT, &shr_l);
ret |= imx415_read_reg(imx415->client, IMX415_SF1_EXPO_REG_M,
IMX415_REG_VALUE_08BIT, &shr_m);
ret |= imx415_read_reg(imx415->client, IMX415_SF1_EXPO_REG_H,
IMX415_REG_VALUE_08BIT, &shr_h);
ret |= imx415_read_reg(imx415->client, IMX415_RHS1_REG_L,
IMX415_REG_VALUE_08BIT, &rhs_l);
ret |= imx415_read_reg(imx415->client, IMX415_RHS1_REG_M,
IMX415_REG_VALUE_08BIT, &rhs_m);
ret |= imx415_read_reg(imx415->client, IMX415_RHS1_REG_H,
IMX415_REG_VALUE_08BIT, &rhs_h);
if (!ret) {
shr = (shr_h << 16) | (shr_m << 8) | shr_l;
rhs = (rhs_h << 16) | (rhs_m << 8) | rhs_l;
imx415->cur_exposure[1] = (rhs - shr) * imx415->tline;
} else {
dev_err(&imx415->client->dev,
"imx415 get exposure of %s frame failed!\n",
imx415->cur_mode->hdr_mode == HDR_X2 ?
"short" : "middle");
}
ret = imx415_read_reg(imx415->client, IMX415_SF1_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, &gain_h);
ret |= imx415_read_reg(imx415->client, IMX415_SF1_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, &gain_l);
if (!ret) {
gain = (gain_h << 8) | gain_l;
imx415->cur_gain[1] = gain * 300;//step=0.3db,factor=1000
} else {
dev_err(&imx415->client->dev,
"imx415 get gain of %s frame failed!\n",
imx415->cur_mode->hdr_mode == HDR_X2 ?
"short" : "middle");
}
if (imx415->cur_mode->hdr_mode == HDR_X3) {
ret = imx415_read_reg(imx415->client, IMX415_SF2_EXPO_REG_L,
IMX415_REG_VALUE_08BIT, &shr_l);
ret |= imx415_read_reg(imx415->client, IMX415_SF2_EXPO_REG_M,
IMX415_REG_VALUE_08BIT, &shr_m);
ret |= imx415_read_reg(imx415->client, IMX415_SF2_EXPO_REG_H,
IMX415_REG_VALUE_08BIT, &shr_h);
ret |= imx415_read_reg(imx415->client, IMX415_RHS2_REG_L,
IMX415_REG_VALUE_08BIT, &rhs_l);
ret |= imx415_read_reg(imx415->client, IMX415_RHS2_REG_M,
IMX415_REG_VALUE_08BIT, &rhs_m);
ret |= imx415_read_reg(imx415->client, IMX415_RHS2_REG_H,
IMX415_REG_VALUE_08BIT, &rhs_h);
if (!ret) {
shr = (shr_h << 16) | (shr_m << 8) | shr_l;
rhs = (rhs_h << 16) | (rhs_m << 8) | rhs_l;
imx415->cur_exposure[2] = (rhs - shr) * imx415->tline;
} else {
dev_err(&imx415->client->dev,
"imx415 get exposure of short frame failed!\n");
}
ret = imx415_read_reg(imx415->client, IMX415_SF2_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, &gain_h);
ret |= imx415_read_reg(imx415->client, IMX415_SF2_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, &gain_l);
if (!ret) {
gain = (gain_h << 8) | gain_l;
imx415->cur_gain[2] = gain * 300;//step=0.3db,factor=1000
} else {
dev_err(&imx415->client->dev,
"imx415 get gain of short frame failed!\n");
}
}
}
static int imx415_set_hdrae_3frame(struct imx415 *imx415,
struct preisp_hdrae_exp_s *ae)
{
struct i2c_client *client = imx415->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;
int ret = 0;
u32 fsc;
int rhs1_max = 0;
int shr2_min = 0;
if (!imx415->has_init_exp && !imx415->streaming) {
imx415->init_hdrae_exp = *ae;
imx415->has_init_exp = true;
dev_dbg(&imx415->client->dev, "imx415 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, m_exp_time, s_exp_time,
l_a_gain, m_a_gain, s_a_gain);
ret = imx415_write_reg(client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_START);
/* gain effect n+1 */
ret |= imx415_write_reg(client, IMX415_LF_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_H(l_a_gain));
ret |= imx415_write_reg(client, IMX415_LF_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_L(l_a_gain));
ret |= imx415_write_reg(client, IMX415_SF1_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_H(m_a_gain));
ret |= imx415_write_reg(client, IMX415_SF1_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_L(m_a_gain));
ret |= imx415_write_reg(client, IMX415_SF2_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_H(s_a_gain));
ret |= imx415_write_reg(client, IMX415_SF2_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, IMX415_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 -12);
* SHR0 >= RHS2 + 13;
* SHR0 should be 3n;
*
* exp_m = RHS1 - SHR1 + Toffset;
*
* RHS1 < BRL * 3;
* RHS1 <= SHR2 - 13;
* RHS1 >= SHR1 + 12;
* SHR1 >= 13;
* SHR1 <= RHS1 - 12;
* RHS1(n+1) >= RHS1(n) + BRL * 3 -FSC + 3;
*
* SHR1 should be 3n+1 and RHS1 should be 6n+1;
*
* exp_s = RHS2 - SHR2 + Toffset;
*
* RHS2 < BRL * 3 + RHS1;
* RHS2 <= SHR0 - 13;
* RHS2 >= SHR2 + 12;
* SHR2 >= RHS1 + 13;
* SHR2 <= RHS2 - 12;
* RHS1(n+1) >= RHS1(n) + BRL * 3 -FSC + 3;
*
* SHR2 should be 3n+2 and RHS2 should be 6n+2;
*/
/* The HDR mode vts is double by default to workaround T-line */
fsc = imx415->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 + 5) / 6 * 6 + 1;
if (imx415->cur_mode->height == 2192)
rhs1_max = RHS1_MAX_X3(BRL_ALL);
else
rhs1_max = RHS1_MAX_X3(BRL_BINNING);
if (rhs1 < 25)
rhs1 = 25;
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, imx415->rhs1_old);
//Dynamic adjustment rhs2 must meet the following conditions
if (imx415->cur_mode->height == 2192)
rhs1_change_limit = imx415->rhs1_old + 3 * BRL_ALL - fsc + 3;
else
rhs1_change_limit = imx415->rhs1_old + 3 * BRL_BINNING - fsc + 3;
rhs1_change_limit = (rhs1_change_limit < 25) ? 25 : rhs1_change_limit;
rhs1_change_limit = (rhs1_change_limit + 5) / 6 * 6 + 1;
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, imx415->rhs1_old, rhs1);
imx415->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 + 13;
rhs2 = (shr2_min + s_exp_time + 5) / 6 * 6 + 2;
if (rhs2 > (shr0 - 13))
rhs2 = shr0 - 13;
else if (rhs2 < 50)
rhs2 = 50;
dev_dbg(&client->dev,
"line(%d) rhs2 %d, s_exp_time %d, rhs2_old %d\n",
__LINE__, rhs2, s_exp_time, imx415->rhs2_old);
//Dynamic adjustment rhs2 must meet the following conditions
if (imx415->cur_mode->height == 2192)
rhs2_change_limit = imx415->rhs2_old + 3 * BRL_ALL - fsc + 3;
else
rhs2_change_limit = imx415->rhs2_old + 3 * BRL_BINNING - fsc + 3;
rhs2_change_limit = (rhs2_change_limit < 50) ? 50 : rhs2_change_limit;
rhs2_change_limit = (rhs2_change_limit + 5) / 6 * 6 + 2;
if ((shr0 - 13) < 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 - 13, rhs2_change_limit);
return -EINVAL;
}
if (rhs2 < rhs2_change_limit)
rhs2 = rhs2_change_limit;
imx415->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 + 13)
shr0 = rhs2 + 13;
else if (shr0 > fsc - 12)
shr0 = fsc - 12;
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 |= imx415_write_reg(client,
IMX415_RHS2_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_L(rhs2));
ret |= imx415_write_reg(client,
IMX415_RHS2_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_M(rhs2));
ret |= imx415_write_reg(client,
IMX415_RHS2_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_H(rhs2));
/* write SEF2 exposure SHR2 regs*/
ret |= imx415_write_reg(client,
IMX415_SF2_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr2));
ret |= imx415_write_reg(client,
IMX415_SF2_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr2));
ret |= imx415_write_reg(client,
IMX415_SF2_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr2));
/* write SEF1 exposure RHS1 regs*/
ret |= imx415_write_reg(client,
IMX415_RHS1_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_L(rhs1));
ret |= imx415_write_reg(client,
IMX415_RHS1_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_M(rhs1));
ret |= imx415_write_reg(client,
IMX415_RHS1_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_H(rhs1));
/* write SEF1 exposure SHR1 regs*/
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr1));
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr1));
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr1));
/* write LF exposure SHR0 regs*/
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr0));
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr0));
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr0));
ret |= imx415_write_reg(client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_END);
imx415_hdr_exposure_readback(imx415);
return ret;
}
static int imx415_set_hdrae(struct imx415 *imx415,
struct preisp_hdrae_exp_s *ae)
{
struct i2c_client *client = imx415->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;
int ret = 0;
u32 fsc;
if (!imx415->has_init_exp && !imx415->streaming) {
imx415->init_hdrae_exp = *ae;
imx415->has_init_exp = true;
dev_dbg(&imx415->client->dev, "imx415 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, m_exp_time, s_exp_time,
l_a_gain, m_a_gain, s_a_gain);
if (imx415->cur_mode->hdr_mode == HDR_X2) {
l_a_gain = m_a_gain;
l_exp_time = m_exp_time;
}
ret = imx415_write_reg(client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_START);
/* gain effect n+1 */
ret |= imx415_write_reg(client, IMX415_LF_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_H(l_a_gain));
ret |= imx415_write_reg(client, IMX415_LF_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_L(l_a_gain));
ret |= imx415_write_reg(client, IMX415_SF1_GAIN_REG_H,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_H(s_a_gain));
ret |= imx415_write_reg(client, IMX415_SF1_GAIN_REG_L,
IMX415_REG_VALUE_08BIT, IMX415_FETCH_GAIN_L(s_a_gain));
/* Restrictions
* FSC = 2 * VMAX and FSC should be 4n;
* exp_l = FSC - SHR0 + Toffset;
* exp_l should be even value;
*
* SHR0 = FSC - exp_l + Toffset;
* SHR0 <= (FSC -8);
* SHR0 >= RHS1 + 9;
* SHR0 should be 2n;
*
* exp_s = RHS1 - SHR1 + Toffset;
* exp_s should be even value;
*
* RHS1 < BRL * 2;
* RHS1 <= SHR0 - 9;
* RHS1 >= SHR1 + 8;
* SHR1 >= 9;
* RHS1(n+1) >= RHS1(n) + BRL * 2 -FSC + 2;
*
* SHR1 should be 2n+1 and RHS1 should be 4n+1;
*/
/* The HDR mode vts is double by default to workaround T-line */
fsc = imx415->cur_vts;
shr0 = fsc - l_exp_time;
if (imx415->cur_mode->height == 2192) {
rhs1_max = min(RHS1_MAX_X2(BRL_ALL), ((shr0 - 9u) / 4 * 4 + 1));
rhs1_min = max(SHR1_MIN_X2 + 8u, imx415->rhs1_old + 2 * BRL_ALL - fsc + 2);
} else {
rhs1_max = min(RHS1_MAX_X2(BRL_BINNING), ((shr0 - 9u) / 4 * 4 + 1));
rhs1_min = max(SHR1_MIN_X2 + 8u, imx415->rhs1_old + 2 * BRL_BINNING - fsc + 2);
}
rhs1_min = (rhs1_min + 3) / 4 * 4 + 1;
rhs1 = (SHR1_MIN_X2 + s_exp_time + 3) / 4 * 4 + 1;/* shall be 4n + 1 */
dev_dbg(&client->dev,
"line(%d) rhs1 %d, rhs1 min %d rhs1 max %d\n",
__LINE__, rhs1, rhs1_min, rhs1_max);
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 = clamp(rhs1, rhs1_min, rhs1_max);
dev_dbg(&client->dev,
"line(%d) rhs1 %d, short time %d rhs1_old %d, rhs1_new %d\n",
__LINE__, rhs1, s_exp_time, imx415->rhs1_old, rhs1);
imx415->rhs1_old = rhs1;
/* shr1 = rhs1 - s_exp_time */
if (rhs1 - s_exp_time <= SHR1_MIN_X2) {
shr1 = SHR1_MIN_X2;
s_exp_time = rhs1 - shr1;
} else {
shr1 = rhs1 - s_exp_time;
}
if (shr0 < rhs1 + 9)
shr0 = rhs1 + 9;
else if (shr0 > fsc - 8)
shr0 = fsc - 8;
dev_dbg(&client->dev,
"fsc=%d,RHS1_MAX=%d,SHR1_MIN=%d,rhs1_max=%d\n",
fsc, RHS1_MAX_X2(BRL_ALL), SHR1_MIN_X2, 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 |= imx415_write_reg(client,
IMX415_RHS1_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_L(rhs1));
ret |= imx415_write_reg(client,
IMX415_RHS1_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_M(rhs1));
ret |= imx415_write_reg(client,
IMX415_RHS1_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_RHS1_H(rhs1));
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr1));
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr1));
ret |= imx415_write_reg(client,
IMX415_SF1_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr1));
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr0));
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr0));
ret |= imx415_write_reg(client,
IMX415_LF_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr0));
ret |= imx415_write_reg(client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_END);
imx415_hdr_exposure_readback(imx415);
return ret;
}
static int imx415_get_channel_info(struct imx415 *imx415, struct rkmodule_channel_info *ch_info)
{
if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
return -EINVAL;
ch_info->vc = imx415->cur_mode->vc[ch_info->index];
ch_info->width = imx415->cur_mode->width;
ch_info->height = imx415->cur_mode->height;
ch_info->bus_fmt = imx415->cur_mode->bus_fmt;
return 0;
}
static long imx415_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct imx415 *imx415 = to_imx415(sd);
struct rkmodule_hdr_cfg *hdr;
struct rkmodule_channel_info *ch_info;
u32 i, h, w, stream;
long ret = 0;
const struct imx415_mode *mode;
u64 pixel_rate = 0;
struct rkmodule_csi_dphy_param *dphy_param;
u8 lanes = imx415->bus_cfg.bus.mipi_csi2.num_data_lanes;
struct rkmodule_exp_delay *exp_delay;
struct rkmodule_exp_info *exp_info;
int idx_max = 0;
switch (cmd) {
case PREISP_CMD_SET_HDRAE_EXP:
if (imx415->cur_mode->hdr_mode == HDR_X2)
ret = imx415_set_hdrae(imx415, arg);
else if (imx415->cur_mode->hdr_mode == HDR_X3)
ret = imx415_set_hdrae_3frame(imx415, arg);
break;
case RKMODULE_GET_MODULE_INFO:
imx415_get_module_inf(imx415, (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 = imx415->cur_mode->hdr_mode;
break;
case RKMODULE_SET_HDR_CFG:
hdr = (struct rkmodule_hdr_cfg *)arg;
w = imx415->cur_mode->width;
h = imx415->cur_mode->height;
for (i = 0; i < imx415->cfg_num; i++) {
if (w == imx415->supported_modes[i].width &&
h == imx415->supported_modes[i].height &&
imx415->supported_modes[i].hdr_mode == hdr->hdr_mode) {
dev_info(&imx415->client->dev, "set hdr cfg, set mode to %d\n", i);
imx415_change_mode(imx415, &imx415->supported_modes[i]);
break;
}
}
if (i == imx415->cfg_num) {
dev_err(&imx415->client->dev,
"not find hdr mode:%d %dx%d config\n",
hdr->hdr_mode, w, h);
ret = -EINVAL;
} else {
mode = imx415->cur_mode;
if (imx415->streaming) {
ret = imx415_write_reg(imx415->client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_START);
ret |= imx415_write_array(imx415->client, imx415->cur_mode->reg_list);
ret |= imx415_write_reg(imx415->client, IMX415_GROUP_HOLD_REG,
IMX415_REG_VALUE_08BIT, IMX415_GROUP_HOLD_END);
if (ret)
return ret;
}
w = mode->hts_def - imx415->cur_mode->width;
h = mode->vts_def - mode->height;
mutex_lock(&imx415->mutex);
__v4l2_ctrl_modify_range(imx415->hblank, w, w, 1, w);
__v4l2_ctrl_modify_range(imx415->vblank, h,
IMX415_VTS_MAX - mode->height,
1, h);
__v4l2_ctrl_s_ctrl(imx415->link_freq, mode->mipi_freq_idx);
pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] /
mode->bpp * 2 * lanes;
__v4l2_ctrl_s_ctrl_int64(imx415->pixel_rate,
pixel_rate);
mutex_unlock(&imx415->mutex);
}
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
if (stream)
ret = imx415_write_reg(imx415->client, IMX415_REG_CTRL_MODE,
IMX415_REG_VALUE_08BIT, IMX415_MODE_STREAMING);
else
ret = imx415_write_reg(imx415->client, IMX415_REG_CTRL_MODE,
IMX415_REG_VALUE_08BIT, IMX415_MODE_SW_STANDBY);
break;
case RKMODULE_GET_SONY_BRL:
if (imx415->cur_mode->width == 3864 && imx415->cur_mode->height == 2192)
*((u32 *)arg) = BRL_ALL;
else
*((u32 *)arg) = BRL_BINNING;
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = (struct rkmodule_channel_info *)arg;
ret = imx415_get_channel_info(imx415, ch_info);
break;
case RKMODULE_GET_CSI_DPHY_PARAM:
if (imx415->cur_mode->hdr_mode == HDR_X2) {
dphy_param = (struct rkmodule_csi_dphy_param *)arg;
*dphy_param = dcphy_param;
dev_info(&imx415->client->dev,
"get sensor dphy param\n");
} else
ret = -EINVAL;
break;
case RKMODULE_GET_EXP_DELAY:
exp_delay = (struct rkmodule_exp_delay *)arg;
exp_delay->exp_delay = 2;
exp_delay->gain_delay = 2;
exp_delay->vts_delay = 1;
break;
case RKMODULE_GET_EXP_INFO:
exp_info = (struct rkmodule_exp_info *)arg;
if (imx415->cur_mode->hdr_mode == NO_HDR)
idx_max = 1;
else if (imx415->cur_mode->hdr_mode == HDR_X2)
idx_max = 2;
else
idx_max = 3;
for (i = 0; i < idx_max; i++) {
exp_info->exp[i] = imx415->cur_exposure[i];
exp_info->gain[i] = imx415->cur_gain[i];
}
exp_info->hts = imx415->cur_mode->hts_def;
exp_info->vts = imx415->cur_vts;
exp_info->pclk = imx415->pclk;
exp_info->gain_mode.gain_mode = RKMODULE_GAIN_MODE_DB;
exp_info->gain_mode.factor = 1000;
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long imx415_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;
struct rkmodule_channel_info *ch_info;
long ret;
u32 stream;
u32 brl = 0;
struct rkmodule_csi_dphy_param *dphy_param;
struct rkmodule_exp_delay *exp_delay;
struct rkmodule_exp_info *exp_info;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = imx415_ioctl(sd, cmd, inf);
if (!ret) {
if (copy_to_user(up, inf, sizeof(*inf))) {
kfree(inf);
return -EFAULT;
}
}
kfree(inf);
break;
case RKMODULE_AWB_CFG:
cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
if (!cfg) {
ret = -ENOMEM;
return ret;
}
if (copy_from_user(cfg, up, sizeof(*cfg))) {
kfree(cfg);
return -EFAULT;
}
ret = imx415_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 = imx415_ioctl(sd, cmd, hdr);
if (!ret) {
if (copy_to_user(up, hdr, sizeof(*hdr))) {
kfree(hdr);
return -EFAULT;
}
}
kfree(hdr);
break;
case RKMODULE_SET_HDR_CFG:
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
if (!hdr) {
ret = -ENOMEM;
return ret;
}
if (copy_from_user(hdr, up, sizeof(*hdr))) {
kfree(hdr);
return -EFAULT;
}
ret = imx415_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;
}
if (copy_from_user(hdrae, up, sizeof(*hdrae))) {
kfree(hdrae);
return -EFAULT;
}
ret = imx415_ioctl(sd, cmd, hdrae);
kfree(hdrae);
break;
case RKMODULE_SET_QUICK_STREAM:
if (copy_from_user(&stream, up, sizeof(u32)))
return -EFAULT;
ret = imx415_ioctl(sd, cmd, &stream);
break;
case RKMODULE_GET_SONY_BRL:
ret = imx415_ioctl(sd, cmd, &brl);
if (!ret) {
if (copy_to_user(up, &brl, sizeof(u32)))
return -EFAULT;
}
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL);
if (!ch_info) {
ret = -ENOMEM;
return ret;
}
ret = imx415_ioctl(sd, cmd, ch_info);
if (!ret) {
ret = copy_to_user(up, ch_info, sizeof(*ch_info));
if (ret)
ret = -EFAULT;
}
kfree(ch_info);
break;
case RKMODULE_GET_CSI_DPHY_PARAM:
dphy_param = kzalloc(sizeof(*dphy_param), GFP_KERNEL);
if (!dphy_param) {
ret = -ENOMEM;
return ret;
}
ret = imx415_ioctl(sd, cmd, dphy_param);
if (!ret) {
ret = copy_to_user(up, dphy_param, sizeof(*dphy_param));
if (ret)
ret = -EFAULT;
}
kfree(dphy_param);
break;
case RKMODULE_GET_EXP_DELAY:
exp_delay = kzalloc(sizeof(*exp_delay), GFP_KERNEL);
if (!exp_delay) {
ret = -ENOMEM;
return ret;
}
ret = imx415_ioctl(sd, cmd, exp_delay);
if (!ret) {
ret = copy_to_user(up, exp_delay, sizeof(*exp_delay));
if (ret)
ret = -EFAULT;
}
kfree(exp_delay);
break;
case RKMODULE_GET_EXP_INFO:
exp_info = kzalloc(sizeof(*exp_info), GFP_KERNEL);
if (!exp_info) {
ret = -ENOMEM;
return ret;
}
ret = imx415_ioctl(sd, cmd, exp_info);
if (!ret) {
ret = copy_to_user(up, exp_info, sizeof(*exp_info));
if (ret)
ret = -EFAULT;
}
kfree(exp_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int __imx415_start_stream(struct imx415 *imx415)
{
int ret;
if (!imx415->is_thunderboot) {
ret = imx415_write_array(imx415->client, imx415->cur_mode->global_reg_list);
if (ret)
return ret;
ret = imx415_write_array(imx415->client, imx415->cur_mode->reg_list);
if (ret)
return ret;
}
imx415_get_pclk_and_tline(imx415);
/* In case these controls are set before streaming */
ret = __v4l2_ctrl_handler_setup(&imx415->ctrl_handler);
if (ret)
return ret;
if (imx415->has_init_exp && imx415->cur_mode->hdr_mode != NO_HDR) {
imx415->rhs1_old = IMX415_RHS1_DEFAULT;
imx415->rhs2_old = IMX415_RHS2_DEFAULT;
ret = imx415_ioctl(&imx415->subdev, PREISP_CMD_SET_HDRAE_EXP,
&imx415->init_hdrae_exp);
if (ret) {
dev_err(&imx415->client->dev,
"init exp fail in hdr mode\n");
return ret;
}
}
return imx415_write_reg(imx415->client, IMX415_REG_CTRL_MODE,
IMX415_REG_VALUE_08BIT, 0);
}
static int __imx415_stop_stream(struct imx415 *imx415)
{
imx415->has_init_exp = false;
if (imx415->is_thunderboot)
imx415->is_first_streamoff = true;
imx415->is_tline_init = false;
return imx415_write_reg(imx415->client, IMX415_REG_CTRL_MODE,
IMX415_REG_VALUE_08BIT, 1);
}
static int imx415_s_stream(struct v4l2_subdev *sd, int on)
{
struct imx415 *imx415 = to_imx415(sd);
struct i2c_client *client = imx415->client;
int ret = 0;
dev_info(&imx415->client->dev, "s_stream: %d. %dx%d, hdr: %d, bpp: %d\n",
on, imx415->cur_mode->width, imx415->cur_mode->height,
imx415->cur_mode->hdr_mode, imx415->cur_mode->bpp);
mutex_lock(&imx415->mutex);
on = !!on;
if (on == imx415->streaming)
goto unlock_and_return;
if (on) {
if (imx415->is_thunderboot && rkisp_tb_get_state() == RKISP_TB_NG) {
imx415->is_thunderboot = false;
__imx415_power_on(imx415);
}
ret = pm_runtime_get_sync(&client->dev);
if (ret < 0) {
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
ret = __imx415_start_stream(imx415);
if (ret) {
v4l2_err(sd, "start stream failed while write regs\n");
pm_runtime_put(&client->dev);
goto unlock_and_return;
}
} else {
__imx415_stop_stream(imx415);
pm_runtime_put(&client->dev);
}
imx415->streaming = on;
unlock_and_return:
mutex_unlock(&imx415->mutex);
return ret;
}
static int imx415_s_power(struct v4l2_subdev *sd, int on)
{
struct imx415 *imx415 = to_imx415(sd);
struct i2c_client *client = imx415->client;
int ret = 0;
mutex_lock(&imx415->mutex);
if (imx415->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;
}
imx415->power_on = true;
} else {
pm_runtime_put(&client->dev);
imx415->power_on = false;
}
unlock_and_return:
mutex_unlock(&imx415->mutex);
return ret;
}
int __imx415_power_on(struct imx415 *imx415)
{
int ret;
struct device *dev = &imx415->client->dev;
if (!IS_ERR_OR_NULL(imx415->pins_default)) {
ret = pinctrl_select_state(imx415->pinctrl,
imx415->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
if (!imx415->is_thunderboot) {
if (!IS_ERR(imx415->power_gpio))
gpiod_direction_output(imx415->power_gpio, 1);
/* At least 500ns between power raising and XCLR */
/* fix power on timing if insmod this ko */
usleep_range(10 * 1000, 20 * 1000);
if (!IS_ERR(imx415->reset_gpio))
gpiod_direction_output(imx415->reset_gpio, 0);
/* At least 1us between XCLR and clk */
/* fix power on timing if insmod this ko */
usleep_range(10 * 1000, 20 * 1000);
}
ret = clk_set_rate(imx415->xvclk, imx415->cur_mode->xvclk);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate\n");
if (clk_get_rate(imx415->xvclk) != imx415->cur_mode->xvclk)
dev_warn(dev, "xvclk mismatched\n");
ret = clk_prepare_enable(imx415->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
goto err_clk;
}
cam_sw_regulator_bulk_init(imx415->cam_sw_inf, IMX415_NUM_SUPPLIES, imx415->supplies);
if (imx415->is_thunderboot)
return 0;
ret = regulator_bulk_enable(IMX415_NUM_SUPPLIES, imx415->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto err_pinctrl;
}
/* At least 20us between XCLR and I2C communication */
usleep_range(20*1000, 30*1000);
return 0;
err_pinctrl:
clk_disable_unprepare(imx415->xvclk);
err_clk:
if (!IS_ERR(imx415->reset_gpio))
gpiod_direction_output(imx415->reset_gpio, 1);
if (!IS_ERR_OR_NULL(imx415->pins_sleep))
pinctrl_select_state(imx415->pinctrl, imx415->pins_sleep);
return ret;
}
static void __imx415_power_off(struct imx415 *imx415)
{
int ret;
struct device *dev = &imx415->client->dev;
if (imx415->is_thunderboot) {
if (imx415->is_first_streamoff) {
imx415->is_thunderboot = false;
imx415->is_first_streamoff = false;
} else {
return;
}
}
if (!IS_ERR(imx415->reset_gpio))
gpiod_direction_output(imx415->reset_gpio, 1);
clk_disable_unprepare(imx415->xvclk);
if (!IS_ERR_OR_NULL(imx415->pins_sleep)) {
ret = pinctrl_select_state(imx415->pinctrl,
imx415->pins_sleep);
if (ret < 0)
dev_dbg(dev, "could not set pins\n");
}
if (!IS_ERR(imx415->power_gpio))
gpiod_direction_output(imx415->power_gpio, 0);
regulator_bulk_disable(IMX415_NUM_SUPPLIES, imx415->supplies);
}
#if IS_REACHABLE(CONFIG_VIDEO_CAM_SLEEP_WAKEUP)
static int __maybe_unused imx415_resume(struct device *dev)
{
int ret;
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx415 *imx415 = to_imx415(sd);
cam_sw_prepare_wakeup(imx415->cam_sw_inf, dev);
usleep_range(4000, 5000);
cam_sw_write_array(imx415->cam_sw_inf);
if (__v4l2_ctrl_handler_setup(&imx415->ctrl_handler))
dev_err(dev, "__v4l2_ctrl_handler_setup fail!");
if (imx415->has_init_exp && imx415->cur_mode != NO_HDR) { // hdr mode
ret = imx415_ioctl(&imx415->subdev, PREISP_CMD_SET_HDRAE_EXP,
&imx415->cam_sw_inf->hdr_ae);
if (ret) {
dev_err(&imx415->client->dev, "set exp fail in hdr mode\n");
return ret;
}
}
return 0;
}
static int __maybe_unused imx415_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx415 *imx415 = to_imx415(sd);
cam_sw_write_array_cb_init(imx415->cam_sw_inf, client,
(void *)imx415->cur_mode->reg_list,
(sensor_write_array)imx415_write_array);
cam_sw_prepare_sleep(imx415->cam_sw_inf);
return 0;
}
#else
#define imx415_resume NULL
#define imx415_suspend NULL
#endif
static int __maybe_unused imx415_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx415 *imx415 = to_imx415(sd);
return __imx415_power_on(imx415);
}
static int __maybe_unused imx415_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx415 *imx415 = to_imx415(sd);
__imx415_power_off(imx415);
return 0;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int imx415_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct imx415 *imx415 = to_imx415(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
const struct imx415_mode *def_mode = &imx415->supported_modes[0];
mutex_lock(&imx415->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(&imx415->mutex);
/* No crop or compose */
return 0;
}
#endif
static int imx415_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
struct imx415 *imx415 = to_imx415(sd);
if (fie->index >= imx415->cfg_num)
return -EINVAL;
fie->code = imx415->supported_modes[fie->index].bus_fmt;
fie->width = imx415->supported_modes[fie->index].width;
fie->height = imx415->supported_modes[fie->index].height;
fie->interval = imx415->supported_modes[fie->index].max_fps;
fie->reserved[0] = imx415->supported_modes[fie->index].hdr_mode;
return 0;
}
#define CROP_START(SRC, DST) (((SRC) - (DST)) / 2 / 4 * 4)
#define DST_WIDTH_3840 3840
#define DST_HEIGHT_2160 2160
#define DST_WIDTH_1920 1920
#define DST_HEIGHT_1080 1080
/*
* 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 imx415_get_selection(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_selection *sel)
{
struct imx415 *imx415 = to_imx415(sd);
if (sel->target == V4L2_SEL_TGT_CROP_BOUNDS) {
if (imx415->cur_mode->width == 3864) {
sel->r.left = CROP_START(imx415->cur_mode->width, DST_WIDTH_3840);
sel->r.width = DST_WIDTH_3840;
sel->r.top = CROP_START(imx415->cur_mode->height, DST_HEIGHT_2160);
sel->r.height = DST_HEIGHT_2160;
} else if (imx415->cur_mode->width == 1944) {
sel->r.left = CROP_START(imx415->cur_mode->width, DST_WIDTH_1920);
sel->r.width = DST_WIDTH_1920;
sel->r.top = CROP_START(imx415->cur_mode->height, DST_HEIGHT_1080);
sel->r.height = DST_HEIGHT_1080;
} else {
sel->r.left = CROP_START(imx415->cur_mode->width, imx415->cur_mode->width);
sel->r.width = imx415->cur_mode->width;
sel->r.top = CROP_START(imx415->cur_mode->height, imx415->cur_mode->height);
sel->r.height = imx415->cur_mode->height;
}
return 0;
}
return -EINVAL;
}
static const struct dev_pm_ops imx415_pm_ops = {
SET_RUNTIME_PM_OPS(imx415_runtime_suspend,
imx415_runtime_resume, NULL)
SET_LATE_SYSTEM_SLEEP_PM_OPS(imx415_suspend, imx415_resume)
};
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops imx415_internal_ops = {
.open = imx415_open,
};
#endif
static const struct v4l2_subdev_core_ops imx415_core_ops = {
.s_power = imx415_s_power,
.ioctl = imx415_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = imx415_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops imx415_video_ops = {
.s_stream = imx415_s_stream,
.g_frame_interval = imx415_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops imx415_pad_ops = {
.enum_mbus_code = imx415_enum_mbus_code,
.enum_frame_size = imx415_enum_frame_sizes,
.enum_frame_interval = imx415_enum_frame_interval,
.get_fmt = imx415_get_fmt,
.set_fmt = imx415_set_fmt,
.get_selection = imx415_get_selection,
.get_mbus_config = imx415_g_mbus_config,
};
static const struct v4l2_subdev_ops imx415_subdev_ops = {
.core = &imx415_core_ops,
.video = &imx415_video_ops,
.pad = &imx415_pad_ops,
};
static void imx415_exposure_readback(struct imx415 *imx415)
{
u32 shr, shr_l, shr_m, shr_h;
int ret = 0;
if (!imx415->is_tline_init) {
imx415_get_pclk_and_tline(imx415);
imx415->is_tline_init = true;
}
ret = imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_L,
IMX415_REG_VALUE_08BIT, &shr_l);
ret |= imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_M,
IMX415_REG_VALUE_08BIT, &shr_m);
ret |= imx415_read_reg(imx415->client, IMX415_LF_EXPO_REG_H,
IMX415_REG_VALUE_08BIT, &shr_h);
if (!ret) {
shr = (shr_h << 16) | (shr_m << 8) | shr_l;
imx415->cur_exposure[0] = (imx415->cur_vts - shr) * imx415->tline;
}
}
static void imx415_gain_readback(struct imx415 *imx415)
{
int ret = 0;
u32 gain, gain_l, gain_h;
if (!imx415->is_tline_init) {
imx415_get_pclk_and_tline(imx415);
imx415->is_tline_init = true;
}
ret = imx415_read_reg(imx415->client, IMX415_LF_GAIN_REG_H,
IMX415_REG_VALUE_08BIT,
&gain_h);
ret |= imx415_read_reg(imx415->client, IMX415_LF_GAIN_REG_L,
IMX415_REG_VALUE_08BIT,
&gain_l);
gain = (gain_h << 8) | gain_l;
imx415->cur_gain[0] = gain * 300;//step=0.3db,factor=1000
}
static int imx415_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx415 *imx415 = container_of(ctrl->handler,
struct imx415, ctrl_handler);
struct i2c_client *client = imx415->client;
s64 max;
u32 vts = 0, val;
int ret = 0;
u32 shr0 = 0;
/* Propagate change of current control to all related controls */
switch (ctrl->id) {
case V4L2_CID_VBLANK:
if (imx415->cur_mode->hdr_mode == NO_HDR) {
/* Update max exposure while meeting expected vblanking */
max = imx415->cur_mode->height + ctrl->val - 8;
__v4l2_ctrl_modify_range(imx415->exposure,
imx415->exposure->minimum, max,
imx415->exposure->step,
imx415->exposure->default_value);
}
break;
}
if (!pm_runtime_get_if_in_use(&client->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
if (imx415->cur_mode->hdr_mode != NO_HDR)
goto ctrl_end;
shr0 = imx415->cur_vts - ctrl->val;
ret = imx415_write_reg(imx415->client, IMX415_LF_EXPO_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_L(shr0));
ret |= imx415_write_reg(imx415->client, IMX415_LF_EXPO_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_M(shr0));
ret |= imx415_write_reg(imx415->client, IMX415_LF_EXPO_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_EXP_H(shr0));
imx415_exposure_readback(imx415);
dev_dbg(&client->dev, "set exposure(shr0) %d = cur_vts(%d) - val(%d)\n",
shr0, imx415->cur_vts, ctrl->val);
break;
case V4L2_CID_ANALOGUE_GAIN:
if (imx415->cur_mode->hdr_mode != NO_HDR)
goto ctrl_end;
ret = imx415_write_reg(imx415->client, IMX415_LF_GAIN_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_GAIN_H(ctrl->val));
ret |= imx415_write_reg(imx415->client, IMX415_LF_GAIN_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_GAIN_L(ctrl->val));
imx415_gain_readback(imx415);
dev_dbg(&client->dev, "set analog gain 0x%x\n",
ctrl->val);
break;
case V4L2_CID_VBLANK:
vts = ctrl->val + imx415->cur_mode->height;
/*
* vts of hdr mode is double to correct T-line calculation.
* Restore before write to reg.
*/
if (imx415->cur_mode->hdr_mode == HDR_X2) {
vts = (vts + 3) / 4 * 4;
imx415->cur_vts = vts;
vts /= 2;
} else if (imx415->cur_mode->hdr_mode == HDR_X3) {
vts = (vts + 11) / 12 * 12;
imx415->cur_vts = vts;
vts /= 4;
} else {
imx415->cur_vts = vts;
}
ret = imx415_write_reg(imx415->client, IMX415_VTS_REG_L,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_VTS_L(vts));
ret |= imx415_write_reg(imx415->client, IMX415_VTS_REG_M,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_VTS_M(vts));
ret |= imx415_write_reg(imx415->client, IMX415_VTS_REG_H,
IMX415_REG_VALUE_08BIT,
IMX415_FETCH_VTS_H(vts));
dev_dbg(&client->dev, "set vblank 0x%x vts %d\n",
ctrl->val, vts);
break;
case V4L2_CID_HFLIP:
ret = imx415_read_reg(imx415->client, IMX415_FLIP_REG,
IMX415_REG_VALUE_08BIT, &val);
if (ret)
break;
if (ctrl->val)
val |= IMX415_MIRROR_BIT_MASK;
else
val &= ~IMX415_MIRROR_BIT_MASK;
ret = imx415_write_reg(imx415->client, IMX415_FLIP_REG,
IMX415_REG_VALUE_08BIT, val);
break;
case V4L2_CID_VFLIP:
ret = imx415_read_reg(imx415->client, IMX415_FLIP_REG,
IMX415_REG_VALUE_08BIT, &val);
if (ret)
break;
if (ctrl->val)
val |= IMX415_FLIP_BIT_MASK;
else
val &= ~IMX415_FLIP_BIT_MASK;
ret = imx415_write_reg(imx415->client, IMX415_FLIP_REG,
IMX415_REG_VALUE_08BIT, val);
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 imx415_ctrl_ops = {
.s_ctrl = imx415_set_ctrl,
};
static int imx415_initialize_controls(struct imx415 *imx415)
{
const struct imx415_mode *mode;
struct v4l2_ctrl_handler *handler;
s64 exposure_max, vblank_def;
u64 pixel_rate;
u64 max_pixel_rate;
u32 h_blank;
int ret;
u8 lanes = imx415->bus_cfg.bus.mipi_csi2.num_data_lanes;
handler = &imx415->ctrl_handler;
mode = imx415->cur_mode;
ret = v4l2_ctrl_handler_init(handler, 8);
if (ret)
return ret;
handler->lock = &imx415->mutex;
imx415->link_freq = v4l2_ctrl_new_int_menu(handler, NULL,
V4L2_CID_LINK_FREQ,
ARRAY_SIZE(link_freq_items) - 1, 0,
link_freq_items);
v4l2_ctrl_s_ctrl(imx415->link_freq, mode->mipi_freq_idx);
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
pixel_rate = (u32)link_freq_items[mode->mipi_freq_idx] / mode->bpp * 2 * lanes;
max_pixel_rate = MIPI_FREQ_1188M / mode->bpp * 2 * lanes;
imx415->pixel_rate = v4l2_ctrl_new_std(handler, NULL,
V4L2_CID_PIXEL_RATE, 0, max_pixel_rate,
1, pixel_rate);
h_blank = mode->hts_def - mode->width;
imx415->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
h_blank, h_blank, 1, h_blank);
if (imx415->hblank)
imx415->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
imx415->vblank = v4l2_ctrl_new_std(handler, &imx415_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
IMX415_VTS_MAX - mode->height,
1, vblank_def);
imx415->cur_vts = mode->vts_def;
exposure_max = mode->vts_def - 8;
imx415->exposure = v4l2_ctrl_new_std(handler, &imx415_ctrl_ops,
V4L2_CID_EXPOSURE, IMX415_EXPOSURE_MIN,
exposure_max, IMX415_EXPOSURE_STEP,
mode->exp_def);
imx415->anal_a_gain = v4l2_ctrl_new_std(handler, &imx415_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, IMX415_GAIN_MIN,
IMX415_GAIN_MAX, IMX415_GAIN_STEP,
IMX415_GAIN_DEFAULT);
v4l2_ctrl_new_std(handler, &imx415_ctrl_ops, V4L2_CID_HFLIP, 0, 1, 1, 0);
v4l2_ctrl_new_std(handler, &imx415_ctrl_ops, V4L2_CID_VFLIP, 0, 1, 1, 0);
if (handler->error) {
ret = handler->error;
dev_err(&imx415->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
imx415->subdev.ctrl_handler = handler;
imx415->has_init_exp = false;
imx415->is_tline_init = false;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static int imx415_check_sensor_id(struct imx415 *imx415,
struct i2c_client *client)
{
struct device *dev = &imx415->client->dev;
u32 id = 0;
int ret;
if (imx415->is_thunderboot) {
dev_info(dev, "Enable thunderboot mode, skip sensor id check\n");
return 0;
}
ret = imx415_read_reg(client, IMX415_REG_CHIP_ID,
IMX415_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 imx415 id %06x\n", CHIP_ID);
return 0;
}
static int imx415_configure_regulators(struct imx415 *imx415)
{
unsigned int i;
for (i = 0; i < IMX415_NUM_SUPPLIES; i++)
imx415->supplies[i].supply = imx415_supply_names[i];
return devm_regulator_bulk_get(&imx415->client->dev,
IMX415_NUM_SUPPLIES,
imx415->supplies);
}
static int imx415_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct imx415 *imx415;
struct v4l2_subdev *sd;
struct device_node *endpoint;
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);
imx415 = devm_kzalloc(dev, sizeof(*imx415), GFP_KERNEL);
if (!imx415)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&imx415->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&imx415->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&imx415->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&imx415->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");
}
endpoint = of_graph_get_next_endpoint(dev->of_node, NULL);
if (!endpoint) {
dev_err(dev, "Failed to get endpoint\n");
return -EINVAL;
}
ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint),
&imx415->bus_cfg);
of_node_put(endpoint);
if (ret) {
dev_err(dev, "Failed to get bus config\n");
return -EINVAL;
}
imx415->client = client;
if (imx415->bus_cfg.bus.mipi_csi2.num_data_lanes == IMX415_4LANES) {
imx415->supported_modes = supported_modes;
imx415->cfg_num = ARRAY_SIZE(supported_modes);
} else {
imx415->supported_modes = supported_modes_2lane;
imx415->cfg_num = ARRAY_SIZE(supported_modes_2lane);
}
dev_info(dev, "detect imx415 lane %d\n",
imx415->bus_cfg.bus.mipi_csi2.num_data_lanes);
for (i = 0; i < imx415->cfg_num; i++) {
if (hdr_mode == imx415->supported_modes[i].hdr_mode) {
imx415->cur_mode = &imx415->supported_modes[i];
break;
}
}
of_property_read_u32(node, RKMODULE_CAMERA_FASTBOOT_ENABLE,
&imx415->is_thunderboot);
imx415->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(imx415->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
imx415->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_ASIS);
if (IS_ERR(imx415->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
imx415->power_gpio = devm_gpiod_get(dev, "power", GPIOD_ASIS);
if (IS_ERR(imx415->power_gpio))
dev_warn(dev, "Failed to get power-gpios\n");
imx415->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(imx415->pinctrl)) {
imx415->pins_default =
pinctrl_lookup_state(imx415->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(imx415->pins_default))
dev_info(dev, "could not get default pinstate\n");
imx415->pins_sleep =
pinctrl_lookup_state(imx415->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(imx415->pins_sleep))
dev_info(dev, "could not get sleep pinstate\n");
} else {
dev_info(dev, "no pinctrl\n");
}
ret = imx415_configure_regulators(imx415);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
return ret;
}
mutex_init(&imx415->mutex);
sd = &imx415->subdev;
v4l2_i2c_subdev_init(sd, client, &imx415_subdev_ops);
ret = imx415_initialize_controls(imx415);
if (ret)
goto err_destroy_mutex;
ret = __imx415_power_on(imx415);
if (ret)
goto err_free_handler;
ret = imx415_check_sensor_id(imx415, client);
if (ret)
goto err_power_off;
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &imx415_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
imx415->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &imx415->pad);
if (ret < 0)
goto err_power_off;
#endif
if (!imx415->cam_sw_inf) {
imx415->cam_sw_inf = cam_sw_init();
cam_sw_clk_init(imx415->cam_sw_inf, imx415->xvclk, imx415->cur_mode->xvclk);
cam_sw_reset_pin_init(imx415->cam_sw_inf, imx415->reset_gpio, 1);
if (!IS_ERR(imx415->power_gpio))
cam_sw_pwdn_pin_init(imx415->cam_sw_inf, imx415->power_gpio, 0);
}
memset(facing, 0, sizeof(facing));
if (strcmp(imx415->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
imx415->module_index, facing,
IMX415_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:
__imx415_power_off(imx415);
err_free_handler:
v4l2_ctrl_handler_free(&imx415->ctrl_handler);
err_destroy_mutex:
mutex_destroy(&imx415->mutex);
return ret;
}
static void imx415_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx415 *imx415 = to_imx415(sd);
v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
v4l2_ctrl_handler_free(&imx415->ctrl_handler);
mutex_destroy(&imx415->mutex);
cam_sw_deinit(imx415->cam_sw_inf);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__imx415_power_off(imx415);
pm_runtime_set_suspended(&client->dev);
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id imx415_of_match[] = {
{ .compatible = "sony,imx415" },
{},
};
MODULE_DEVICE_TABLE(of, imx415_of_match);
#endif
static const struct i2c_device_id imx415_match_id[] = {
{ "sony,imx415", 0 },
{ },
};
static struct i2c_driver imx415_i2c_driver = {
.driver = {
.name = IMX415_NAME,
.pm = &imx415_pm_ops,
.of_match_table = of_match_ptr(imx415_of_match),
},
.probe = &imx415_probe,
.remove = &imx415_remove,
.id_table = imx415_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&imx415_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&imx415_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("Sony imx415 sensor driver");
MODULE_LICENSE("GPL v2");