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CoolPi-Armbian-Rockchip-RK3.../drivers/media/i2c/imx258.c

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// SPDX-License-Identifier: GPL-2.0
/*
* imx258 driver
*
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X01 add poweron function.
* V0.0X01.0X02 fix mclk issue when probe multiple camera.
* V0.0X01.0X03 add enum_frame_interval function.
* V0.0X01.0X04 add quick stream on/off
* V0.0X01.0X05 add function g_mbus_config
* V0.0X01.0X06 support capture spd data and embedded data
*/
#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/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 "imx258_eeprom_head.h"
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x06)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define IMX258_LANES 4
#define IMX258_BITS_PER_SAMPLE 10
#define IMX258_LINK_FREQ_498MHZ 498000000
#define IMX258_LINK_FREQ_399MHZ 399000000
/* pixel rate = link frequency * 2 * lanes / BITS_PER_SAMPLE */
#define IMX258_PIXEL_RATE_FULL_SIZE 398400000
#define IMX258_PIXEL_RATE_BINNING 319200000
#define IMX258_XVCLK_FREQ 24000000
#define CHIP_ID 0x0258
#define IMX258_REG_CHIP_ID 0x0016
#define IMX258_REG_CTRL_MODE 0x0100
#define IMX258_MODE_SW_STANDBY 0x0
#define IMX258_MODE_STREAMING BIT(0)
#define IMX258_REG_EXPOSURE 0x0202
#define IMX258_EXPOSURE_MIN 4
#define IMX258_EXPOSURE_STEP 1
#define IMX258_VTS_MAX 0xffff
#define IMX258_REG_GAIN_H 0x0204
#define IMX258_REG_GAIN_L 0x0205
#define IMX258_GAIN_MIN 0
#define IMX258_GAIN_MAX 0x1fff
#define IMX258_GAIN_STEP 1
#define IMX258_GAIN_DEFAULT 0x0
#define IMX258_REG_TEST_PATTERN 0x0600
#define IMX258_TEST_PATTERN_ENABLE 0x80
#define IMX258_TEST_PATTERN_DISABLE 0x0
#define IMX258_REG_VTS 0x0340
#define REG_NULL 0xFFFF
#define IMX258_REG_VALUE_08BIT 1
#define IMX258_REG_VALUE_16BIT 2
#define IMX258_REG_VALUE_24BIT 3
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define IMX258_NAME "imx258"
static const char * const imx258_supply_names[] = {
"avdd", /* Analog power */
"dovdd", /* Digital I/O power */
"dvdd", /* Digital core power */
};
#define IMX258_NUM_SUPPLIES ARRAY_SIZE(imx258_supply_names)
struct regval {
u16 addr;
u8 val;
};
struct other_data {
u32 width;
u32 height;
u32 bus_fmt;
};
struct imx258_mode {
u32 bus_fmt;
u32 width;
u32 height;
struct v4l2_fract max_fps;
u32 hts_def;
u32 vts_def;
u32 exp_def;
const struct regval *reg_list;
/* Shield Pix Data */
const struct other_data *spd;
/* embedded Data */
const struct other_data *ebd;
u32 hdr_mode;
u32 vc[PAD_MAX];
};
struct imx258 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct gpio_desc *pwdn_gpio;
struct regulator_bulk_data supplies[IMX258_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_gain;
struct v4l2_ctrl *digi_gain;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *test_pattern;
struct mutex mutex;
bool streaming;
bool power_on;
const struct imx258_mode *cur_mode;
u32 cfg_num;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
struct v4l2_ctrl *link_freq;
struct v4l2_ctrl *pixel_rate;
struct imx258_otp_info *otp;
struct rkmodule_inf module_inf;
struct rkmodule_awb_cfg awb_cfg;
struct rkmodule_lsc_cfg lsc_cfg;
u32 spd_id;
u32 ebd_id;
};
#define to_imx258(sd) container_of(sd, struct imx258, subdev)
struct imx258_id_name {
u32 id;
char name[RKMODULE_NAME_LEN];
};
static const struct imx258_id_name imx258_module_info[] = {
{0x36, "GuangDongLiteArray"},
{0x0d, "CameraKing"},
{0x00, "Unknown"}
};
static const struct imx258_id_name imx258_lens_info[] = {
{0x47, "Sunny 3923C"},
{0x07, "Largen 9611A6"},
{0x00, "Unknown"}
};
/*
* Xclk 24Mhz
*/
static const struct regval imx258_global_regs[] = {
{0x0136, 0x18},
{0x0137, 0x00},
{0x3051, 0x00},
{0x6b11, 0xcf},
{0x7ff0, 0x08},
{0x7ff1, 0x0f},
{0x7ff2, 0x08},
{0x7ff3, 0x1b},
{0x7ff4, 0x23},
{0x7ff5, 0x60},
{0x7ff6, 0x00},
{0x7ff7, 0x01},
{0x7ff8, 0x00},
{0x7ff9, 0x78},
{0x7ffa, 0x01},
{0x7ffb, 0x00},
{0x7ffc, 0x00},
{0x7ffd, 0x00},
{0x7ffe, 0x00},
{0x7fff, 0x03},
{0x7f76, 0x03},
{0x7f77, 0xfe},
{0x7fa8, 0x03},
{0x7fa9, 0xfe},
{0x7b24, 0x81},
{0x7b25, 0x01},
{0x6564, 0x07},
{0x6b0d, 0x41},
{0x653d, 0x04},
{0x6b05, 0x8c},
{0x6b06, 0xf9},
{0x6b08, 0x65},
{0x6b09, 0xfc},
{0x6b0a, 0xcf},
{0x6b0b, 0xd2},
{0x6700, 0x0e},
{0x6707, 0x0e},
{0x5f04, 0x00},
{0x5f05, 0xed},
{0x94c7, 0xff},
{0x94c8, 0xff},
{0x94c9, 0xff},
{0x95c7, 0xff},
{0x95c8, 0xff},
{0x95c9, 0xff},
{0x94c4, 0x3f},
{0x94c5, 0x3f},
{0x94c6, 0x3f},
{0x95c4, 0x3f},
{0x95c5, 0x3f},
{0x95c6, 0x3f},
{0x94c1, 0x02},
{0x94c2, 0x02},
{0x94c3, 0x02},
{0x95c1, 0x02},
{0x95c2, 0x02},
{0x95c3, 0x02},
{0x94be, 0x0c},
{0x94bf, 0x0c},
{0x94c0, 0x0c},
{0x95be, 0x0c},
{0x95bf, 0x0c},
{0x95c0, 0x0c},
{0x94d0, 0x74},
{0x94d1, 0x74},
{0x94d2, 0x74},
{0x95d0, 0x74},
{0x95d1, 0x74},
{0x95d2, 0x74},
{0x94cd, 0x2e},
{0x94ce, 0x2e},
{0x94cf, 0x2e},
{0x95cd, 0x2e},
{0x95ce, 0x2e},
{0x95cf, 0x2e},
{0x94ca, 0x4c},
{0x94cb, 0x4c},
{0x94cc, 0x4c},
{0x95ca, 0x4c},
{0x95cb, 0x4c},
{0x95cc, 0x4c},
{0x900e, 0x32},
{0x94e2, 0xff},
{0x94e3, 0xff},
{0x94e4, 0xff},
{0x95e2, 0xff},
{0x95e3, 0xff},
{0x95e4, 0xff},
{0x94df, 0x6e},
{0x94e0, 0x6e},
{0x94e1, 0x6e},
{0x95df, 0x6e},
{0x95e0, 0x6e},
{0x95e1, 0x6e},
{0x7fcc, 0x01},
{0x7b78, 0x00},
{0x9401, 0x35},
{0x9403, 0x23},
{0x9405, 0x23},
{0x9406, 0x00},
{0x9407, 0x31},
{0x9408, 0x00},
{0x9409, 0x1b},
{0x940a, 0x00},
{0x940b, 0x15},
{0x940d, 0x3f},
{0x940f, 0x3f},
{0x9411, 0x3f},
{0x9413, 0x64},
{0x9415, 0x64},
{0x9417, 0x64},
{0x941d, 0x34},
{0x941f, 0x01},
{0x9421, 0x01},
{0x9423, 0x01},
{0x9425, 0x23},
{0x9427, 0x23},
{0x9429, 0x23},
{0x942b, 0x2f},
{0x942d, 0x1a},
{0x942f, 0x14},
{0x9431, 0x3f},
{0x9433, 0x3f},
{0x9435, 0x3f},
{0x9437, 0x6b},
{0x9439, 0x7c},
{0x943b, 0x81},
{0x9443, 0x0f},
{0x9445, 0x0f},
{0x9447, 0x0f},
{0x9449, 0x0f},
{0x944b, 0x0f},
{0x944d, 0x0f},
{0x944f, 0x1e},
{0x9451, 0x0f},
{0x9453, 0x0b},
{0x9455, 0x28},
{0x9457, 0x13},
{0x9459, 0x0c},
{0x945d, 0x00},
{0x945e, 0x00},
{0x945f, 0x00},
{0x946d, 0x00},
{0x946f, 0x10},
{0x9471, 0x10},
{0x9473, 0x40},
{0x9475, 0x2e},
{0x9477, 0x10},
{0x9478, 0x0a},
{0x947b, 0xe0},
{0x947c, 0xe0},
{0x947d, 0xe0},
{0x947e, 0xe0},
{0x947f, 0xe0},
{0x9480, 0xe0},
{0x9483, 0x14},
{0x9485, 0x14},
{0x9487, 0x14},
{0x9501, 0x35},
{0x9503, 0x14},
{0x9505, 0x14},
{0x9507, 0x31},
{0x9509, 0x1b},
{0x950b, 0x15},
{0x950d, 0x1e},
{0x950f, 0x1e},
{0x9511, 0x1e},
{0x9513, 0x64},
{0x9515, 0x64},
{0x9517, 0x64},
{0x951d, 0x34},
{0x951f, 0x01},
{0x9521, 0x01},
{0x9523, 0x01},
{0x9525, 0x14},
{0x9527, 0x14},
{0x9529, 0x14},
{0x952b, 0x2f},
{0x952d, 0x1a},
{0x952f, 0x14},
{0x9531, 0x1e},
{0x9533, 0x1e},
{0x9535, 0x1e},
{0x9537, 0x6b},
{0x9539, 0x7c},
{0x953b, 0x81},
{0x9543, 0x0f},
{0x9545, 0x0f},
{0x9547, 0x0f},
{0x9549, 0x0f},
{0x954b, 0x0f},
{0x954d, 0x0f},
{0x954f, 0x15},
{0x9551, 0x0b},
{0x9553, 0x08},
{0x9555, 0x1c},
{0x9557, 0x0d},
{0x9559, 0x08},
{0x955d, 0x00},
{0x955e, 0x00},
{0x955f, 0x00},
{0x956d, 0x00},
{0x956f, 0x10},
{0x9571, 0x10},
{0x9573, 0x40},
{0x9575, 0x2e},
{0x9577, 0x10},
{0x9578, 0x0a},
{0x957b, 0xe0},
{0x957c, 0xe0},
{0x957d, 0xe0},
{0x957e, 0xe0},
{0x957f, 0xe0},
{0x9580, 0xe0},
{0x9583, 0x14},
{0x9585, 0x14},
{0x9587, 0x14},
{0x7f78, 0x00},
{0x7f89, 0x00},
{0x7f93, 0x00},
{0x924b, 0x1b},
{0x924c, 0x0a},
{0x9304, 0x04},
{0x9315, 0x04},
{0x9250, 0x50},
{0x9251, 0x3c},
{0x9252, 0x14},
{0x0112, 0x0a},
{0x0113, 0x0a},
{0x0114, 0x03},
{0x0301, 0x05},
{0x0303, 0x02},
{0x0305, 0x04},
{0x0306, 0x00},
{0x0307, 0xa6},
{0x0309, 0x0a},
{0x030b, 0x01},
{0x030d, 0x02},
{0x030e, 0x00},
{0x030f, 0xd8},
{0x0310, 0x00},
{0x0820, 0x0f},
{0x0821, 0x90},
{0x0822, 0x00},
{0x0823, 0x00},
{0x4648, 0x7f},
{0x7420, 0x00},
{0x7421, 0x1c},
{0x7422, 0x00},
{0x7423, 0xd7},
{0x9104, 0x00},
{0x0342, 0x14},
{0x0343, 0xe8},
{0x0340, 0x0e},
{0x0341, 0x88},
{0x0344, 0x00},
{0x0345, 0x00},
{0x0346, 0x00},
{0x0347, 0x00},
{0x0348, 0x10},
{0x0349, 0x6f},
{0x034a, 0x0c},
{0x034b, 0x2f},
{0x0381, 0x01},
{0x0383, 0x01},
{0x0385, 0x01},
{0x0387, 0x01},
{0x0900, 0x00},
{0x0901, 0x11},
{0x0401, 0x00},
{0x0404, 0x00},
{0x0405, 0x10},
{0x0408, 0x00},
{0x0409, 0x00},
{0x040a, 0x00},
{0x040b, 0x00},
{0x040c, 0x10},
{0x040d, 0x70},
{0x040e, 0x0c},
{0x040f, 0x30},
{0x3038, 0x00},
{0x303a, 0x00},
{0x303b, 0x10},
{0x300d, 0x00},
{0x034c, 0x10},
{0x034d, 0x70},
{0x034e, 0x0c},
{0x034f, 0x30},
{0x0202, 0x0e},
{0x0203, 0x7e},
{0x0204, 0x00},
{0x0205, 0x00},
{0x020e, 0x01},
{0x020f, 0x00},
{0x0210, 0x01},
{0x0211, 0x00},
{0x0212, 0x01},
{0x0213, 0x00},
{0x0214, 0x01},
{0x0215, 0x00},
{0x7bcd, 0x00},
{0x94dc, 0x20},
{0x94dd, 0x20},
{0x94de, 0x20},
{0x95dc, 0x20},
{0x95dd, 0x20},
{0x95de, 0x20},
{0x7fb0, 0x00},
{0x9010, 0x3e},
{0x9419, 0x50},
{0x941b, 0x50},
{0x9519, 0x50},
{0x951b, 0x50},
{0x3030, 0x00},
{0x3032, 0x00},
{0x0220, 0x00},
{0x0100, 0x00},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 600Mbps
*/
static const struct regval imx258_2096x1560_regs[] = {
{0x0112, 0x0a},
{0x0113, 0x0a},
{0x0114, 0x03},
{0x0301, 0x05},
{0x0303, 0x02},
{0x0305, 0x04},
{0x0306, 0x00},
{0x0307, 0x85},
{0x0309, 0x0a},
{0x030b, 0x01},
{0x030d, 0x02},
{0x030e, 0x00},
{0x030f, 0xd8},
{0x0310, 0x00},
{0x0820, 0x0c},
{0x0821, 0x78},
{0x0822, 0x00},
{0x0823, 0x00},
{0x4648, 0x7f},
{0x7420, 0x00},
{0x7421, 0x1c},
{0x7422, 0x00},
{0x7423, 0xd7},
{0x9104, 0x00},
{0x0342, 0x14},
{0x0343, 0xe8},
{0x0340, 0x07},
{0x0341, 0xc4},
{0x0344, 0x00},
{0x0345, 0x00},
{0x0346, 0x00},
{0x0347, 0x00},
{0x0348, 0x10},
{0x0349, 0x6f},
{0x034a, 0x0c},
{0x034b, 0x2f},
{0x0381, 0x01},
{0x0383, 0x01},
{0x0385, 0x01},
{0x0387, 0x01},
{0x0900, 0x01},
{0x0901, 0x12},
{0x0401, 0x01},
{0x0404, 0x00},
{0x0405, 0x20},
{0x0408, 0x00},
{0x0409, 0x06},
{0x040a, 0x00},
{0x040b, 0x00},
{0x040c, 0x10},
{0x040d, 0x62},
{0x040e, 0x06},
{0x040f, 0x18},
{0x3038, 0x00},
{0x303a, 0x00},
{0x303b, 0x10},
{0x300d, 0x00},
{0x034c, 0x08},
{0x034d, 0x30},
{0x034e, 0x06},
{0x034f, 0x18},
{0x0100, 0x00},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 7fps
* mipi_datarate per lane 600Mbps
*/
static const struct regval imx258_4208x3120_regs[] = {
{0x0112, 0x0a},
{0x0113, 0x0a},
{0x0114, 0x03},
{0x0301, 0x05},
{0x0303, 0x02},
{0x0305, 0x04},
{0x0306, 0x00},
{0x0307, 0xa6},
{0x0309, 0x0a},
{0x030b, 0x01},
{0x030d, 0x02},
{0x030e, 0x00},
{0x030f, 0xd8},
{0x0310, 0x00},
{0x0820, 0x0f},
{0x0821, 0x90},
{0x0822, 0x00},
{0x0823, 0x00},
{0x4648, 0x7f},
{0x7420, 0x00},
{0x7421, 0x1c},
{0x7422, 0x00},
{0x7423, 0xd7},
{0x9104, 0x00},
{0x0342, 0x14},
{0x0343, 0xe8},
{0x0340, 0x0e},
{0x0341, 0x88},
{0x0344, 0x00},
{0x0345, 0x00},
{0x0346, 0x00},
{0x0347, 0x00},
{0x0348, 0x10},
{0x0349, 0x6f},
{0x034a, 0x0c},
{0x034b, 0x2f},
{0x0381, 0x01},
{0x0383, 0x01},
{0x0385, 0x01},
{0x0387, 0x01},
{0x0900, 0x00},
{0x0901, 0x11},
{0x0401, 0x00},
{0x0404, 0x00},
{0x0405, 0x10},
{0x0408, 0x00},
{0x0409, 0x00},
{0x040a, 0x00},
{0x040b, 0x00},
{0x040c, 0x10},
{0x040d, 0x70},
{0x040e, 0x0c},
{0x040f, 0x30},
{0x3038, 0x00},
{0x303a, 0x00},
{0x303b, 0x10},
{0x300d, 0x00},
{0x034c, 0x10},
{0x034d, 0x70},
{0x034e, 0x0c},
{0x034f, 0x30},
{0x0100, 0x00},
{REG_NULL, 0x00},
};
static const struct regval imx258_4208_3120_spd_reg[] = {
{0x3030, 0x01},//shield output size:80x1920
{0x3032, 0x01},//shield BYTE2
#ifdef SPD_DEBUG
/*DEBUG mode,spd data output with active pixel*/
{0x7bcd, 0x00},
{0x0b00, 0x00},
{0x3051, 0x00},
{0x3052, 0x00},
{0x7bca, 0x00},
{0x7bcb, 0x00},
{0x7bc8, 0x00},
#endif
};
static const struct other_data imx258_full_spd = {
.width = 80,
.height = 1920,
.bus_fmt = MEDIA_BUS_FMT_SPD_2X8,
};
static const struct other_data imx258_full_ebd = {
.width = 320,
.height = 2,
.bus_fmt = MEDIA_BUS_FMT_EBD_1X8,
};
static const struct imx258_mode supported_modes[] = {
{
.bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10,
.width = 4208,
.height = 3120,
.max_fps = {
.numerator = 10000,
.denominator = 200000,
},
.exp_def = 0x0E7E,
.hts_def = 0x14E8,
.vts_def = 0x0E88,
.reg_list = imx258_4208x3120_regs,
.spd = &imx258_full_spd,
.ebd = &imx258_full_ebd,
.hdr_mode = NO_HDR,
.vc[PAD0] = 0,
},
{
.bus_fmt = MEDIA_BUS_FMT_SBGGR10_1X10,
.width = 2096,
.height = 1560,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x07BA,
.hts_def = 0x14E8,
.vts_def = 0x07C4,
.reg_list = imx258_2096x1560_regs,
.spd = NULL,
.ebd = NULL,
.hdr_mode = NO_HDR,
.vc[PAD0] = 0,
},
};
static const s64 link_freq_menu_items[] = {
IMX258_LINK_FREQ_498MHZ,
IMX258_LINK_FREQ_399MHZ
};
static const char * const imx258_test_pattern_menu[] = {
"Disabled",
"Vertical Color Bar Type 1",
"Vertical Color Bar Type 2",
"Vertical Color Bar Type 3",
"Vertical Color Bar Type 4"
};
/* Write registers up to 4 at a time */
static int imx258_write_reg(struct i2c_client *client, u16 reg,
int 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 imx258_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 = imx258_write_reg(client, regs[i].addr,
IMX258_REG_VALUE_08BIT,
regs[i].val);
return ret;
}
/* Read registers up to 4 at a time */
static int imx258_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 imx258_get_reso_dist(const struct imx258_mode *mode,
struct v4l2_mbus_framefmt *framefmt)
{
return abs(mode->width - framefmt->width) +
abs(mode->height - framefmt->height);
}
static const struct imx258_mode *
imx258_find_best_fit(struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *framefmt = &fmt->format;
int dist;
int cur_best_fit = 0;
int cur_best_fit_dist = -1;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
dist = imx258_get_reso_dist(&supported_modes[i], framefmt);
if (cur_best_fit_dist == -1 || dist < cur_best_fit_dist) {
cur_best_fit_dist = dist;
cur_best_fit = i;
}
}
return &supported_modes[cur_best_fit];
}
static int imx258_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx258 *imx258 = to_imx258(sd);
const struct imx258_mode *mode;
s64 h_blank, vblank_def;
mutex_lock(&imx258->mutex);
mode = imx258_find_best_fit(fmt);
fmt->format.code = MEDIA_BUS_FMT_SRGGB10_1X10;
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.field = V4L2_FIELD_NONE;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
*v4l2_subdev_get_try_format(sd, sd_state, fmt->pad) = fmt->format;
#else
mutex_unlock(&imx258->mutex);
return -ENOTTY;
#endif
} else {
imx258->cur_mode = mode;
h_blank = mode->hts_def - mode->width;
__v4l2_ctrl_modify_range(imx258->hblank, h_blank,
h_blank, 1, h_blank);
vblank_def = mode->vts_def - mode->height;
__v4l2_ctrl_modify_range(imx258->vblank, vblank_def,
IMX258_VTS_MAX - mode->height,
1, vblank_def);
if (mode->width == 2096 && mode->height == 1560) {
__v4l2_ctrl_s_ctrl(imx258->link_freq,
link_freq_menu_items[1]);
__v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate,
IMX258_PIXEL_RATE_BINNING);
} else {
__v4l2_ctrl_s_ctrl(imx258->link_freq,
link_freq_menu_items[0]);
__v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate,
IMX258_PIXEL_RATE_FULL_SIZE);
}
}
mutex_unlock(&imx258->mutex);
return 0;
}
static int imx258_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct imx258 *imx258 = to_imx258(sd);
const struct imx258_mode *mode = imx258->cur_mode;
mutex_lock(&imx258->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(&imx258->mutex);
return -ENOTTY;
#endif
} else {
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = MEDIA_BUS_FMT_SRGGB10_1X10;
fmt->format.field = V4L2_FIELD_NONE;
/* to csi rawwr3, other rawwr also can use */
if (fmt->pad == imx258->spd_id && mode->spd) {
fmt->format.width = mode->spd->width;
fmt->format.height = mode->spd->height;
fmt->format.code = mode->spd->bus_fmt;
//Set the vc channel to be consistent with the valid data
fmt->reserved[0] = 0;
} else if (fmt->pad == imx258->ebd_id && mode->ebd) {
fmt->format.width = mode->ebd->width;
fmt->format.height = mode->ebd->height;
fmt->format.code = mode->ebd->bus_fmt;
//Set the vc channel to be consistent with the valid data
fmt->reserved[0] = 0;
}
}
mutex_unlock(&imx258->mutex);
return 0;
}
static int imx258_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->index != 0)
return -EINVAL;
code->code = MEDIA_BUS_FMT_SRGGB10_1X10;
return 0;
}
static int imx258_enum_frame_sizes(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_size_enum *fse)
{
if (fse->index >= ARRAY_SIZE(supported_modes))
return -EINVAL;
if (fse->code != MEDIA_BUS_FMT_SRGGB10_1X10)
return -EINVAL;
fse->min_width = supported_modes[fse->index].width;
fse->max_width = supported_modes[fse->index].width;
fse->max_height = supported_modes[fse->index].height;
fse->min_height = supported_modes[fse->index].height;
return 0;
}
static int imx258_enable_test_pattern(struct imx258 *imx258, u32 pattern)
{
u32 val;
if (pattern)
val = (pattern - 1) | IMX258_TEST_PATTERN_ENABLE;
else
val = IMX258_TEST_PATTERN_DISABLE;
return imx258_write_reg(imx258->client,
IMX258_REG_TEST_PATTERN,
IMX258_REG_VALUE_08BIT,
val);
}
static int imx258_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct imx258 *imx258 = to_imx258(sd);
const struct imx258_mode *mode = imx258->cur_mode;
fi->interval = mode->max_fps;
return 0;
}
static void imx258_get_otp(struct imx258_otp_info *otp,
struct rkmodule_inf *inf)
{
u32 i;
/* fac */
if (otp->flag & 0x80) {
inf->fac.flag = 1;
inf->fac.year = otp->year;
inf->fac.month = otp->month;
inf->fac.day = otp->day;
for (i = 0; i < ARRAY_SIZE(imx258_module_info) - 1; i++) {
if (imx258_module_info[i].id == otp->module_id)
break;
}
strscpy(inf->fac.module, imx258_module_info[i].name,
sizeof(inf->fac.module));
for (i = 0; i < ARRAY_SIZE(imx258_lens_info) - 1; i++) {
if (imx258_lens_info[i].id == otp->lens_id)
break;
}
strscpy(inf->fac.lens, imx258_lens_info[i].name,
sizeof(inf->fac.lens));
}
/* awb */
if (otp->flag & 0x40) {
inf->awb.flag = 1;
inf->awb.r_value = otp->rg_ratio;
inf->awb.b_value = otp->bg_ratio;
inf->awb.gr_value = 0x400;
inf->awb.gb_value = 0x400;
inf->awb.golden_r_value = 0;
inf->awb.golden_b_value = 0;
inf->awb.golden_gr_value = 0;
inf->awb.golden_gb_value = 0;
}
/* af */
if (otp->flag & 0x20) {
inf->af.flag = 1;
inf->af.dir_cnt = 1;
inf->af.af_otp[0].vcm_start = otp->vcm_start;
inf->af.af_otp[0].vcm_end = otp->vcm_end;
inf->af.af_otp[0].vcm_dir = otp->vcm_dir;
}
/* lsc */
if (otp->flag & 0x10) {
inf->lsc.flag = 1;
inf->lsc.decimal_bits = 0;
inf->lsc.lsc_w = 9;
inf->lsc.lsc_h = 14;
for (i = 0; i < 126; i++) {
inf->lsc.lsc_r[i] = otp->lenc[i];
inf->lsc.lsc_gr[i] = otp->lenc[i + 126];
inf->lsc.lsc_gb[i] = otp->lenc[i + 252];
inf->lsc.lsc_b[i] = otp->lenc[i + 378];
}
}
}
static void imx258_get_module_inf(struct imx258 *imx258,
struct rkmodule_inf *inf)
{
struct imx258_otp_info *otp = imx258->otp;
strscpy(inf->base.sensor, IMX258_NAME, sizeof(inf->base.sensor));
strscpy(inf->base.module,
imx258->module_name,
sizeof(inf->base.module));
strscpy(inf->base.lens, imx258->len_name, sizeof(inf->base.lens));
if (otp)
imx258_get_otp(otp, inf);
}
static void imx258_set_awb_cfg(struct imx258 *imx258,
struct rkmodule_awb_cfg *cfg)
{
mutex_lock(&imx258->mutex);
memcpy(&imx258->awb_cfg, cfg, sizeof(*cfg));
mutex_unlock(&imx258->mutex);
}
static void imx258_set_lsc_cfg(struct imx258 *imx258,
struct rkmodule_lsc_cfg *cfg)
{
mutex_lock(&imx258->mutex);
memcpy(&imx258->lsc_cfg, cfg, sizeof(*cfg));
mutex_unlock(&imx258->mutex);
}
static long imx258_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct imx258 *imx258 = to_imx258(sd);
struct rkmodule_hdr_cfg *hdr_cfg;
long ret = 0;
u32 stream = 0;
u32 i, h, w;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
imx258_get_module_inf(imx258, (struct rkmodule_inf *)arg);
break;
case RKMODULE_AWB_CFG:
imx258_set_awb_cfg(imx258, (struct rkmodule_awb_cfg *)arg);
break;
case RKMODULE_LSC_CFG:
imx258_set_lsc_cfg(imx258, (struct rkmodule_lsc_cfg *)arg);
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
if (stream)
ret = imx258_write_reg(imx258->client,
IMX258_REG_CTRL_MODE,
IMX258_REG_VALUE_08BIT,
IMX258_MODE_STREAMING);
else
ret = imx258_write_reg(imx258->client,
IMX258_REG_CTRL_MODE,
IMX258_REG_VALUE_08BIT,
IMX258_MODE_SW_STANDBY);
break;
case RKMODULE_SET_HDR_CFG:
hdr_cfg = (struct rkmodule_hdr_cfg *)arg;
w = imx258->cur_mode->width;
h = imx258->cur_mode->height;
for (i = 0; i < imx258->cfg_num; i++) {
if (w == supported_modes[i].width &&
h == supported_modes[i].height &&
supported_modes[i].hdr_mode == hdr_cfg->hdr_mode) {
imx258->cur_mode = &supported_modes[i];
break;
}
}
if (i == imx258->cfg_num) {
dev_err(&imx258->client->dev,
"not find hdr mode:%d %dx%d config\n",
hdr_cfg->hdr_mode, w, h);
ret = -EINVAL;
} else {
w = imx258->cur_mode->hts_def - imx258->cur_mode->width;
h = imx258->cur_mode->vts_def - imx258->cur_mode->height;
__v4l2_ctrl_modify_range(imx258->hblank, w, w, 1, w);
__v4l2_ctrl_modify_range(imx258->vblank, h,
IMX258_VTS_MAX - imx258->cur_mode->height,
1, h);
dev_info(&imx258->client->dev,
"sensor mode: %d\n",
imx258->cur_mode->hdr_mode);
}
break;
case RKMODULE_GET_HDR_CFG:
hdr_cfg = (struct rkmodule_hdr_cfg *)arg;
hdr_cfg->esp.mode = HDR_NORMAL_VC;
hdr_cfg->hdr_mode = imx258->cur_mode->hdr_mode;
break;
default:
ret = -ENOTTY;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long imx258_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 *awb_cfg;
struct rkmodule_lsc_cfg *lsc_cfg;
struct rkmodule_hdr_cfg *hdr;
long ret = 0;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = imx258_ioctl(sd, cmd, inf);
if (!ret) {
ret = copy_to_user(up, inf, sizeof(*inf));
if (ret)
ret = -EFAULT;
}
kfree(inf);
break;
case RKMODULE_AWB_CFG:
awb_cfg = kzalloc(sizeof(*awb_cfg), GFP_KERNEL);
if (!awb_cfg) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(awb_cfg, up, sizeof(*awb_cfg));
if (ret) {
kfree(awb_cfg);
return -EFAULT;
}
ret = imx258_ioctl(sd, cmd, awb_cfg);
kfree(awb_cfg);
break;
case RKMODULE_LSC_CFG:
lsc_cfg = kzalloc(sizeof(*lsc_cfg), GFP_KERNEL);
if (!lsc_cfg) {
ret = -ENOMEM;
return ret;
}
ret = copy_from_user(lsc_cfg, up, sizeof(*lsc_cfg));
if (ret) {
kfree(lsc_cfg);
return -EFAULT;
}
ret = imx258_ioctl(sd, cmd, lsc_cfg);
kfree(lsc_cfg);
break;
case RKMODULE_GET_HDR_CFG:
hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
if (!hdr) {
ret = -ENOMEM;
return ret;
}
ret = imx258_ioctl(sd, cmd, hdr);
if (!ret) {
ret = copy_to_user(up, hdr, sizeof(*hdr));
if (ret) {
kfree(hdr);
return -EFAULT;
}
}
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) {
kfree(hdr);
return -EFAULT;
}
ret = imx258_ioctl(sd, cmd, hdr);
kfree(hdr);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (ret)
return -EFAULT;
ret = imx258_ioctl(sd, cmd, &stream);
break;
default:
ret = -ENOTTY;
break;
}
return ret;
}
#endif
/*--------------------------------------------------------------------------*/
static int imx258_apply_otp(struct imx258 *imx258)
{
int R_gain, G_gain, B_gain, base_gain;
struct i2c_client *client = imx258->client;
struct imx258_otp_info *otp_ptr = imx258->otp;
struct rkmodule_awb_cfg *awb_cfg = &imx258->awb_cfg;
struct rkmodule_lsc_cfg *lsc_cfg = &imx258->lsc_cfg;
u32 golden_bg_ratio = 0;
u32 golden_rg_ratio = 0;
u32 golden_g_value = 0;
u32 bg_ratio;
u32 rg_ratio;
//u32 g_value;
u32 i;
if (awb_cfg->enable) {
golden_g_value = (awb_cfg->golden_gb_value +
awb_cfg->golden_gr_value) / 2;
golden_bg_ratio = awb_cfg->golden_b_value * 0x400 / golden_g_value;
golden_rg_ratio = awb_cfg->golden_r_value * 0x400 / golden_g_value;
}
/* apply OTP WB Calibration */
if ((otp_ptr->flag & 0x40) && golden_bg_ratio && golden_rg_ratio) {
rg_ratio = otp_ptr->rg_ratio;
bg_ratio = otp_ptr->bg_ratio;
dev_dbg(&client->dev, "rg:0x%x,bg:0x%x,gol rg:0x%x,bg:0x%x\n",
rg_ratio, bg_ratio, golden_rg_ratio, golden_bg_ratio);
/* calculate G gain */
R_gain = golden_rg_ratio * 1000 / rg_ratio;
B_gain = golden_bg_ratio * 1000 / bg_ratio;
G_gain = 1000;
if (R_gain < 1000 || B_gain < 1000) {
if (R_gain < B_gain)
base_gain = R_gain;
else
base_gain = B_gain;
} else {
base_gain = G_gain;
}
R_gain = 0x100 * R_gain / (base_gain);
B_gain = 0x100 * B_gain / (base_gain);
G_gain = 0x100 * G_gain / (base_gain);
/* update sensor WB gain */
if (R_gain > 0x100) {
imx258_write_reg(client, 0x0210,
IMX258_REG_VALUE_08BIT, R_gain >> 8);
imx258_write_reg(client, 0x0211,
IMX258_REG_VALUE_08BIT, R_gain & 0x00ff);
}
if (G_gain > 0x100) {
imx258_write_reg(client, 0x020e,
IMX258_REG_VALUE_08BIT, G_gain >> 8);
imx258_write_reg(client, 0x020f,
IMX258_REG_VALUE_08BIT, G_gain & 0x00ff);
imx258_write_reg(client, 0x0214,
IMX258_REG_VALUE_08BIT, G_gain >> 8);
imx258_write_reg(client, 0x0215,
IMX258_REG_VALUE_08BIT, G_gain & 0x00ff);
}
if (B_gain > 0x100) {
imx258_write_reg(client, 0x0212,
IMX258_REG_VALUE_08BIT, B_gain >> 8);
imx258_write_reg(client, 0x0213,
IMX258_REG_VALUE_08BIT, B_gain & 0x00ff);
}
dev_dbg(&client->dev, "apply awb gain: 0x%x, 0x%x, 0x%x\n",
R_gain, G_gain, B_gain);
}
/* apply OTP Lenc Calibration */
if ((otp_ptr->flag & 0x10) && lsc_cfg->enable) {
for (i = 0; i < 504; i++) {
imx258_write_reg(client, 0xA300 + i,
IMX258_REG_VALUE_08BIT, otp_ptr->lenc[i]);
dev_dbg(&client->dev, "apply lenc[%d]: 0x%x\n",
i, otp_ptr->lenc[i]);
}
usleep_range(1000, 2000);
//choose lsc table 1
imx258_write_reg(client, 0x3021,
IMX258_REG_VALUE_08BIT, 0x01);
//enable lsc
imx258_write_reg(client, 0x0B00,
IMX258_REG_VALUE_08BIT, 0x01);
}
/* apply OTP SPC Calibration */
if (otp_ptr->flag & 0x08) {
for (i = 0; i < 63; i++) {
imx258_write_reg(client, 0xD04C + i,
IMX258_REG_VALUE_08BIT, otp_ptr->spc[i]);
dev_dbg(&client->dev, "apply spc[%d]: 0x%x\n",
i, otp_ptr->spc[i]);
imx258_write_reg(client, 0xD08C + i,
IMX258_REG_VALUE_08BIT, otp_ptr->spc[i + 63]);
dev_dbg(&client->dev, "apply spc[%d]: 0x%x\n",
i + 63, otp_ptr->spc[i + 63]);
}
//enable spc
imx258_write_reg(client, 0x7BC8,
IMX258_REG_VALUE_08BIT, 0x01);
}
return 0;
}
static int __imx258_start_stream(struct imx258 *imx258)
{
int ret;
ret = imx258_write_array(imx258->client, imx258->cur_mode->reg_list);
if (ret)
return ret;
/* In case these controls are set before streaming */
mutex_unlock(&imx258->mutex);
ret = v4l2_ctrl_handler_setup(&imx258->ctrl_handler);
mutex_lock(&imx258->mutex);
if (ret)
return ret;
if (imx258->otp) {
ret = imx258_apply_otp(imx258);
if (ret)
return ret;
}
if (imx258->cur_mode->width == 4208 &&
imx258->cur_mode->height == 3120 &&
imx258->cur_mode->spd != NULL &&
imx258->spd_id < PAD_MAX) {
ret = imx258_write_array(imx258->client, imx258_4208_3120_spd_reg);
if (ret)
return ret;
}
return imx258_write_reg(imx258->client,
IMX258_REG_CTRL_MODE,
IMX258_REG_VALUE_08BIT,
IMX258_MODE_STREAMING);
}
static int __imx258_stop_stream(struct imx258 *imx258)
{
return imx258_write_reg(imx258->client,
IMX258_REG_CTRL_MODE,
IMX258_REG_VALUE_08BIT,
IMX258_MODE_SW_STANDBY);
}
static int imx258_s_stream(struct v4l2_subdev *sd, int on)
{
struct imx258 *imx258 = to_imx258(sd);
struct i2c_client *client = imx258->client;
int ret = 0;
mutex_lock(&imx258->mutex);
on = !!on;
if (on == imx258->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 = __imx258_start_stream(imx258);
if (ret) {
v4l2_err(sd, "start stream failed while write regs\n");
pm_runtime_put(&client->dev);
goto unlock_and_return;
}
} else {
__imx258_stop_stream(imx258);
pm_runtime_put(&client->dev);
}
imx258->streaming = on;
unlock_and_return:
mutex_unlock(&imx258->mutex);
return ret;
}
static int imx258_s_power(struct v4l2_subdev *sd, int on)
{
struct imx258 *imx258 = to_imx258(sd);
struct i2c_client *client = imx258->client;
int ret = 0;
mutex_lock(&imx258->mutex);
/* If the power state is not modified - no work to do. */
if (imx258->power_on == !!on)
goto unlock_and_return;
if (on) {
ret = pm_runtime_get_sync(&client->dev);
if (ret < 0) {
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
ret = imx258_write_array(imx258->client, imx258_global_regs);
if (ret) {
v4l2_err(sd, "could not set init registers\n");
pm_runtime_put_noidle(&client->dev);
goto unlock_and_return;
}
imx258->power_on = true;
} else {
pm_runtime_put(&client->dev);
imx258->power_on = false;
}
unlock_and_return:
mutex_unlock(&imx258->mutex);
return ret;
}
/* Calculate the delay in us by clock rate and clock cycles */
static inline u32 imx258_cal_delay(u32 cycles)
{
return DIV_ROUND_UP(cycles, IMX258_XVCLK_FREQ / 1000 / 1000);
}
static int __imx258_power_on(struct imx258 *imx258)
{
int ret;
u32 delay_us;
struct device *dev = &imx258->client->dev;
if (!IS_ERR_OR_NULL(imx258->pins_default)) {
ret = pinctrl_select_state(imx258->pinctrl,
imx258->pins_default);
if (ret < 0)
dev_err(dev, "could not set pins\n");
}
ret = clk_set_rate(imx258->xvclk, IMX258_XVCLK_FREQ);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
if (clk_get_rate(imx258->xvclk) != IMX258_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
ret = clk_prepare_enable(imx258->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
}
if (!IS_ERR(imx258->reset_gpio))
gpiod_set_value_cansleep(imx258->reset_gpio, 1);
ret = regulator_bulk_enable(IMX258_NUM_SUPPLIES, imx258->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto disable_clk;
}
if (!IS_ERR(imx258->reset_gpio))
gpiod_set_value_cansleep(imx258->reset_gpio, 0);
usleep_range(500, 1000);
if (!IS_ERR(imx258->pwdn_gpio))
gpiod_set_value_cansleep(imx258->pwdn_gpio, 0);
/* 8192 cycles prior to first SCCB transaction */
delay_us = imx258_cal_delay(8192);
usleep_range(delay_us, delay_us * 2);
return 0;
disable_clk:
clk_disable_unprepare(imx258->xvclk);
return ret;
}
static void __imx258_power_off(struct imx258 *imx258)
{
int ret;
if (!IS_ERR(imx258->pwdn_gpio))
gpiod_set_value_cansleep(imx258->pwdn_gpio, 1);
clk_disable_unprepare(imx258->xvclk);
if (!IS_ERR(imx258->reset_gpio))
gpiod_set_value_cansleep(imx258->reset_gpio, 1);
if (!IS_ERR_OR_NULL(imx258->pins_sleep)) {
ret = pinctrl_select_state(imx258->pinctrl,
imx258->pins_sleep);
if (ret < 0)
dev_dbg(&imx258->client->dev, "could not set pins\n");
}
regulator_bulk_disable(IMX258_NUM_SUPPLIES, imx258->supplies);
}
static int imx258_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx258 *imx258 = to_imx258(sd);
return __imx258_power_on(imx258);
}
static int imx258_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx258 *imx258 = to_imx258(sd);
__imx258_power_off(imx258);
return 0;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int imx258_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct imx258 *imx258 = to_imx258(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
const struct imx258_mode *def_mode = &supported_modes[0];
mutex_lock(&imx258->mutex);
/* Initialize try_fmt */
try_fmt->width = def_mode->width;
try_fmt->height = def_mode->height;
try_fmt->code = MEDIA_BUS_FMT_SRGGB10_1X10;
try_fmt->field = V4L2_FIELD_NONE;
mutex_unlock(&imx258->mutex);
/* No crop or compose */
return 0;
}
#endif
static int imx258_enum_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_frame_interval_enum *fie)
{
if (fie->index >= ARRAY_SIZE(supported_modes))
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;
}
static int imx258_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 = IMX258_LANES;
return 0;
}
static const struct dev_pm_ops imx258_pm_ops = {
SET_RUNTIME_PM_OPS(imx258_runtime_suspend,
imx258_runtime_resume, NULL)
};
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops imx258_internal_ops = {
.open = imx258_open,
};
#endif
static const struct v4l2_subdev_core_ops imx258_core_ops = {
.s_power = imx258_s_power,
.ioctl = imx258_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = imx258_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops imx258_video_ops = {
.s_stream = imx258_s_stream,
.g_frame_interval = imx258_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops imx258_pad_ops = {
.enum_mbus_code = imx258_enum_mbus_code,
.enum_frame_size = imx258_enum_frame_sizes,
.enum_frame_interval = imx258_enum_frame_interval,
.get_fmt = imx258_get_fmt,
.set_fmt = imx258_set_fmt,
.get_mbus_config = imx258_g_mbus_config,
};
static const struct v4l2_subdev_ops imx258_subdev_ops = {
.core = &imx258_core_ops,
.video = &imx258_video_ops,
.pad = &imx258_pad_ops,
};
static int imx258_set_gain_reg(struct imx258 *imx258, u32 a_gain)
{
int ret = 0;
u32 gain_reg = 0;
gain_reg = (512 - (512 * 512 / a_gain));
if (gain_reg > 480)
gain_reg = 480;
ret = imx258_write_reg(imx258->client,
IMX258_REG_GAIN_H,
IMX258_REG_VALUE_08BIT,
((gain_reg & 0x100) >> 8));
ret |= imx258_write_reg(imx258->client,
IMX258_REG_GAIN_L,
IMX258_REG_VALUE_08BIT,
(gain_reg & 0xff));
return ret;
}
static int imx258_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct imx258 *imx258 = container_of(ctrl->handler,
struct imx258, ctrl_handler);
struct i2c_client *client = imx258->client;
s64 max;
int ret = 0;
/* Propagate change of current control to all related controls */
switch (ctrl->id) {
case V4L2_CID_VBLANK:
/* Update max exposure while meeting expected vblanking */
max = imx258->cur_mode->height + ctrl->val - 4;
__v4l2_ctrl_modify_range(imx258->exposure,
imx258->exposure->minimum, max,
imx258->exposure->step,
imx258->exposure->default_value);
break;
}
if (!pm_runtime_get_if_in_use(&client->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
/* 4 least significant bits of expsoure are fractional part */
ret = imx258_write_reg(imx258->client,
IMX258_REG_EXPOSURE,
IMX258_REG_VALUE_16BIT,
ctrl->val);
break;
case V4L2_CID_ANALOGUE_GAIN:
ret = imx258_set_gain_reg(imx258, ctrl->val);
break;
case V4L2_CID_VBLANK:
ret = imx258_write_reg(imx258->client,
IMX258_REG_VTS,
IMX258_REG_VALUE_16BIT,
ctrl->val + imx258->cur_mode->height);
break;
case V4L2_CID_TEST_PATTERN:
ret = imx258_enable_test_pattern(imx258, ctrl->val);
break;
default:
dev_warn(&client->dev, "%s Unhandled id:0x%x, val:0x%x\n",
__func__, ctrl->id, ctrl->val);
break;
}
pm_runtime_put(&client->dev);
return ret;
}
static const struct v4l2_ctrl_ops imx258_ctrl_ops = {
.s_ctrl = imx258_set_ctrl,
};
static int imx258_initialize_controls(struct imx258 *imx258)
{
const struct imx258_mode *mode;
struct v4l2_ctrl_handler *handler;
s64 exposure_max, vblank_def;
u32 h_blank;
int ret;
handler = &imx258->ctrl_handler;
mode = imx258->cur_mode;
ret = v4l2_ctrl_handler_init(handler, 8);
if (ret)
return ret;
handler->lock = &imx258->mutex;
imx258->link_freq = v4l2_ctrl_new_int_menu(handler, NULL,
V4L2_CID_LINK_FREQ, 1, 0,
link_freq_menu_items);
imx258->pixel_rate = v4l2_ctrl_new_std(handler, NULL,
V4L2_CID_PIXEL_RATE, 0, IMX258_PIXEL_RATE_FULL_SIZE,
1, IMX258_PIXEL_RATE_FULL_SIZE);
h_blank = mode->hts_def - mode->width;
imx258->hblank = v4l2_ctrl_new_std(handler, NULL,
V4L2_CID_HBLANK, h_blank, h_blank, 1, h_blank);
if (imx258->hblank)
imx258->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
imx258->vblank = v4l2_ctrl_new_std(handler, &imx258_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
IMX258_VTS_MAX - mode->height,
1, vblank_def);
exposure_max = mode->vts_def - 4;
imx258->exposure = v4l2_ctrl_new_std(handler, &imx258_ctrl_ops,
V4L2_CID_EXPOSURE, IMX258_EXPOSURE_MIN,
exposure_max, IMX258_EXPOSURE_STEP,
mode->exp_def);
imx258->anal_gain = v4l2_ctrl_new_std(handler, &imx258_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, IMX258_GAIN_MIN,
IMX258_GAIN_MAX, IMX258_GAIN_STEP,
IMX258_GAIN_DEFAULT);
imx258->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
&imx258_ctrl_ops, V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(imx258_test_pattern_menu) - 1,
0, 0, imx258_test_pattern_menu);
if (handler->error) {
ret = handler->error;
dev_err(&imx258->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
imx258->subdev.ctrl_handler = handler;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static int imx258_check_sensor_id(struct imx258 *imx258,
struct i2c_client *client)
{
struct device *dev = &imx258->client->dev;
int ret = 0;
u32 id = 0;
ret = imx258_read_reg(client, IMX258_REG_CHIP_ID,
IMX258_REG_VALUE_16BIT, &id);
if (id != CHIP_ID) {
dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret);
return -ENODEV;
}
return 0;
}
static int imx258_configure_regulators(struct imx258 *imx258)
{
unsigned int i;
for (i = 0; i < IMX258_NUM_SUPPLIES; i++)
imx258->supplies[i].supply = imx258_supply_names[i];
return devm_regulator_bulk_get(&imx258->client->dev,
IMX258_NUM_SUPPLIES,
imx258->supplies);
}
static int imx258_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct imx258 *imx258;
struct v4l2_subdev *sd;
char facing[2];
struct device_node *eeprom_ctrl_node;
struct i2c_client *eeprom_ctrl_client;
struct v4l2_subdev *eeprom_ctrl;
struct imx258_otp_info *otp_ptr;
int ret;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
imx258 = devm_kzalloc(dev, sizeof(*imx258), GFP_KERNEL);
if (!imx258)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&imx258->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&imx258->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&imx258->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&imx258->len_name);
if (ret) {
dev_err(dev, "could not get module information!\n");
return -EINVAL;
}
imx258->client = client;
imx258->cfg_num = ARRAY_SIZE(supported_modes);
imx258->cur_mode = &supported_modes[0];
imx258->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(imx258->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
imx258->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(imx258->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
imx258->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
if (IS_ERR(imx258->pwdn_gpio))
dev_warn(dev, "Failed to get pwdn-gpios\n");
ret = of_property_read_u32(node,
"rockchip,spd-id",
&imx258->spd_id);
if (ret != 0) {
imx258->spd_id = PAD_MAX;
dev_err(dev,
"failed get spd_id, will not to use spd\n");
}
ret = of_property_read_u32(node,
"rockchip,ebd-id",
&imx258->ebd_id);
if (ret != 0) {
imx258->ebd_id = PAD_MAX;
dev_err(dev,
"failed get ebd_id, will not to use ebd\n");
}
ret = imx258_configure_regulators(imx258);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
return ret;
}
imx258->pinctrl = devm_pinctrl_get(dev);
if (!IS_ERR(imx258->pinctrl)) {
imx258->pins_default =
pinctrl_lookup_state(imx258->pinctrl,
OF_CAMERA_PINCTRL_STATE_DEFAULT);
if (IS_ERR(imx258->pins_default))
dev_err(dev, "could not get default pinstate\n");
imx258->pins_sleep =
pinctrl_lookup_state(imx258->pinctrl,
OF_CAMERA_PINCTRL_STATE_SLEEP);
if (IS_ERR(imx258->pins_sleep))
dev_err(dev, "could not get sleep pinstate\n");
}
mutex_init(&imx258->mutex);
sd = &imx258->subdev;
v4l2_i2c_subdev_init(sd, client, &imx258_subdev_ops);
ret = imx258_initialize_controls(imx258);
if (ret)
goto err_destroy_mutex;
ret = __imx258_power_on(imx258);
if (ret)
goto err_free_handler;
ret = imx258_check_sensor_id(imx258, client);
if (ret)
goto err_power_off;
eeprom_ctrl_node = of_parse_phandle(node, "eeprom-ctrl", 0);
if (eeprom_ctrl_node) {
eeprom_ctrl_client =
of_find_i2c_device_by_node(eeprom_ctrl_node);
of_node_put(eeprom_ctrl_node);
if (IS_ERR_OR_NULL(eeprom_ctrl_client)) {
dev_err(dev, "can not get node\n");
goto continue_probe;
}
eeprom_ctrl = i2c_get_clientdata(eeprom_ctrl_client);
if (IS_ERR_OR_NULL(eeprom_ctrl)) {
dev_err(dev, "can not get eeprom i2c client\n");
} else {
otp_ptr = devm_kzalloc(dev, sizeof(*otp_ptr), GFP_KERNEL);
if (!otp_ptr)
return -ENOMEM;
ret = v4l2_subdev_call(eeprom_ctrl,
core, ioctl, 0, otp_ptr);
if (!ret) {
imx258->otp = otp_ptr;
} else {
imx258->otp = NULL;
devm_kfree(dev, otp_ptr);
}
}
}
continue_probe:
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &imx258_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
imx258->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &imx258->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(imx258->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
imx258->module_index, facing,
IMX258_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:
__imx258_power_off(imx258);
err_free_handler:
v4l2_ctrl_handler_free(&imx258->ctrl_handler);
err_destroy_mutex:
mutex_destroy(&imx258->mutex);
return ret;
}
static void imx258_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct imx258 *imx258 = to_imx258(sd);
v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
v4l2_ctrl_handler_free(&imx258->ctrl_handler);
mutex_destroy(&imx258->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__imx258_power_off(imx258);
pm_runtime_set_suspended(&client->dev);
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id imx258_of_match[] = {
{ .compatible = "sony,imx258" },
{},
};
MODULE_DEVICE_TABLE(of, imx258_of_match);
#endif
static const struct i2c_device_id imx258_match_id[] = {
{ "sony,imx258", 0 },
{ },
};
static struct i2c_driver imx258_i2c_driver = {
.driver = {
.name = IMX258_NAME,
.pm = &imx258_pm_ops,
.of_match_table = of_match_ptr(imx258_of_match),
},
.probe = &imx258_probe,
.remove = &imx258_remove,
.id_table = imx258_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&imx258_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&imx258_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("Sony imx258 sensor driver");
MODULE_LICENSE("GPL v2");
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