nathan/CoolPi-Armbian-Rockchip-RK3588-Upstream-Linux-6.1-LTS-Kernel
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CoolPi-Armbian-Rockchip-RK3.../drivers/media/i2c/ar0230.c

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38 KiB
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// SPDX-License-Identifier: GPL-2.0
/*
* ar0230 driver
*
* Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
* V0.0X01.0X01 add enum_frame_interval function.
* V0.0X01.0X02 add quick stream on/off
*/
#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/slab.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>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x02)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
/* 74.25Mhz */
#define AR0230_PIXEL_RATE (74250000)
#define AR0230_XVCLK_FREQ 24000000
#define CHIP_ID 0x3020
#define AR0230_REG_CHIP_ID 0x31fc
#define AR0230_REG_CTRL_MODE 0x301A
#define AR0230_MODE_SW_STANDBY 0x10D8
#define AR0230_MODE_STREAMING 0x10DC
#define AR0230_REG_EXPOSURE 0x3012
#define AR0230_EXPOSURE_MIN 0
#define AR0230_EXPOSURE_STEP 1
#define AR0230_VTS_MAX 0x044A
#define AR0230_REG_ANALOG_GAIN 0x3060
#define ANALOG_GAIN_MIN 0x0
#define ANALOG_GAIN_MAX 0xFB7
#define ANALOG_GAIN_STEP 1
#define ANALOG_GAIN_DEFAULT 0xC0
#define AR0230_REG_VTS 0x300a
#define AR0230_REG_ORIENTATION 0x3040
#define AR0230_ORIENTATION_H bit(14)
#define AR0230_ORIENTATION_V bit(15)
#define REG_NULL 0xFFFF
#define REG_DELAY 0xFFFE
#define AR0230_REG_VALUE_08BIT 1
#define AR0230_REG_VALUE_16BIT 2
#define AR0230_REG_VALUE_24BIT 3
#define USE_HDR_MODE
/* h_offs 35 v_offs 14 */
#define PIX_FORMAT MEDIA_BUS_FMT_SGRBG12_1X12
#define AR0230_NAME "ar0230"
struct cam_regulator {
char name[32];
int val;
};
static const struct cam_regulator ar0230_regulator[] = {
{"avdd", 2800000}, /* Analog power */
{"dovdd", 1800000}, /* Digital I/O power */
{"dvdd", 1800000}, /* Digital core power */
};
#define AR0230_NUM_SUPPLIES ARRAY_SIZE(ar0230_regulator)
struct regval {
u16 addr;
u16 val;
};
struct ar0230_mode {
u32 width;
u32 height;
struct v4l2_fract max_fps;
u32 hts_def;
u32 vts_def;
u32 exp_def;
const struct regval *reg_list;
};
struct ar0230 {
struct i2c_client *client;
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct gpio_desc *pwdn_gpio;
struct regulator_bulk_data supplies[AR0230_NUM_SUPPLIES];
struct v4l2_subdev subdev;
struct media_pad pad;
struct v4l2_ctrl_handler ctrl_handler;
struct v4l2_ctrl *exposure;
struct v4l2_ctrl *anal_gain;
struct v4l2_ctrl *digi_gain;
struct v4l2_ctrl *hblank;
struct v4l2_ctrl *vblank;
struct v4l2_ctrl *test_pattern;
struct mutex mutex;
bool streaming;
bool power_on;
const struct ar0230_mode *cur_mode;
u32 module_index;
const char *module_facing;
const char *module_name;
const char *len_name;
};
#define to_ar0230(sd) container_of(sd, struct ar0230, subdev)
/*
* Xclk 24Mhz
* Pclk 74.25Mhz
* linelength 0x469
* framelength 0x44a
* grabwindow_width 1920
* grabwindow_height 1080
* max_framerate 30fps
* dvp bt601 12bit
*/
static const struct regval ar0230_regs[] = {
#ifdef USE_HDR_MODE
{0x301A, 0x0001},
{REG_DELAY, 20000},
{0x301A, 0x10D8},
{REG_DELAY, 20000},
{0x3088, 0x8000},
{0x3086, 0x4558},
{0x3086, 0x729B},
{0x3086, 0x4A31},
{0x3086, 0x4342},
{0x3086, 0x8E03},
{0x3086, 0x2A14},
{0x3086, 0x4578},
{0x3086, 0x7B3D},
{0x3086, 0xFF3D},
{0x3086, 0xFF3D},
{0x3086, 0xEA2A},
{0x3086, 0x043D},
{0x3086, 0x102A},
{0x3086, 0x052A},
{0x3086, 0x1535},
{0x3086, 0x2A05},
{0x3086, 0x3D10},
{0x3086, 0x4558},
{0x3086, 0x2A04},
{0x3086, 0x2A14},
{0x3086, 0x3DFF},
{0x3086, 0x3DFF},
{0x3086, 0x3DEA},
{0x3086, 0x2A04},
{0x3086, 0x622A},
{0x3086, 0x288E},
{0x3086, 0x0036},
{0x3086, 0x2A08},
{0x3086, 0x3D64},
{0x3086, 0x7A3D},
{0x3086, 0x0444},
{0x3086, 0x2C4B},
{0x3086, 0x8F00},
{0x3086, 0x430C},
{0x3086, 0x2D63},
{0x3086, 0x4316},
{0x3086, 0x8E03},
{0x3086, 0x2AFC},
{0x3086, 0x5C1D},
{0x3086, 0x5754},
{0x3086, 0x495F},
{0x3086, 0x5305},
{0x3086, 0x5307},
{0x3086, 0x4D2B},
{0x3086, 0xF810},
{0x3086, 0x164C},
{0x3086, 0x0855},
{0x3086, 0x562B},
{0x3086, 0xB82B},
{0x3086, 0x984E},
{0x3086, 0x1129},
{0x3086, 0x0429},
{0x3086, 0x8429},
{0x3086, 0x9460},
{0x3086, 0x5C19},
{0x3086, 0x5C1B},
{0x3086, 0x4548},
{0x3086, 0x4508},
{0x3086, 0x4588},
{0x3086, 0x29B6},
{0x3086, 0x8E01},
{0x3086, 0x2AF8},
{0x3086, 0x3E02},
{0x3086, 0x2AFA},
{0x3086, 0x3F09},
{0x3086, 0x5C1B},
{0x3086, 0x29B2},
{0x3086, 0x3F0C},
{0x3086, 0x3E02},
{0x3086, 0x3E13},
{0x3086, 0x5C13},
{0x3086, 0x3F11},
{0x3086, 0x3E0B},
{0x3086, 0x5F2B},
{0x3086, 0x902A},
{0x3086, 0xF22B},
{0x3086, 0x803E},
{0x3086, 0x043F},
{0x3086, 0x0660},
{0x3086, 0x29A2},
{0x3086, 0x29A3},
{0x3086, 0x5F4D},
{0x3086, 0x192A},
{0x3086, 0xFA29},
{0x3086, 0x8345},
{0x3086, 0xA83E},
{0x3086, 0x072A},
{0x3086, 0xFB3E},
{0x3086, 0x2945},
{0x3086, 0x8821},
{0x3086, 0x3E08},
{0x3086, 0x2AFA},
{0x3086, 0x5D29},
{0x3086, 0x9288},
{0x3086, 0x102B},
{0x3086, 0x048B},
{0x3086, 0x1685},
{0x3086, 0x8D48},
{0x3086, 0x4D4E},
{0x3086, 0x2B80},
{0x3086, 0x4C0B},
{0x3086, 0x603F},
{0x3086, 0x282A},
{0x3086, 0xF23F},
{0x3086, 0x0F29},
{0x3086, 0x8229},
{0x3086, 0x8329},
{0x3086, 0x435C},
{0x3086, 0x155F},
{0x3086, 0x4D19},
{0x3086, 0x2AFA},
{0x3086, 0x4558},
{0x3086, 0x8E00},
{0x3086, 0x2A98},
{0x3086, 0x3F06},
{0x3086, 0x1244},
{0x3086, 0x4A04},
{0x3086, 0x4316},
{0x3086, 0x0543},
{0x3086, 0x1658},
{0x3086, 0x4316},
{0x3086, 0x5A43},
{0x3086, 0x1606},
{0x3086, 0x4316},
{0x3086, 0x0743},
{0x3086, 0x168E},
{0x3086, 0x032A},
{0x3086, 0x9C45},
{0x3086, 0x787B},
{0x3086, 0x3F07},
{0x3086, 0x2A9D},
{0x3086, 0x3E2E},
{0x3086, 0x4558},
{0x3086, 0x253E},
{0x3086, 0x068E},
{0x3086, 0x012A},
{0x3086, 0x988E},
{0x3086, 0x0012},
{0x3086, 0x444B},
{0x3086, 0x0343},
{0x3086, 0x2D46},
{0x3086, 0x4316},
{0x3086, 0xA343},
{0x3086, 0x165D},
{0x3086, 0x0D29},
{0x3086, 0x4488},
{0x3086, 0x102B},
{0x3086, 0x0453},
{0x3086, 0x0D8B},
{0x3086, 0x1685},
{0x3086, 0x448E},
{0x3086, 0x032A},
{0x3086, 0xFC5C},
{0x3086, 0x1D8D},
{0x3086, 0x6057},
{0x3086, 0x5449},
{0x3086, 0x5F53},
{0x3086, 0x0553},
{0x3086, 0x074D},
{0x3086, 0x2BF8},
{0x3086, 0x1016},
{0x3086, 0x4C08},
{0x3086, 0x5556},
{0x3086, 0x2BB8},
{0x3086, 0x2B98},
{0x3086, 0x4E11},
{0x3086, 0x2904},
{0x3086, 0x2984},
{0x3086, 0x2994},
{0x3086, 0x605C},
{0x3086, 0x195C},
{0x3086, 0x1B45},
{0x3086, 0x4845},
{0x3086, 0x0845},
{0x3086, 0x8829},
{0x3086, 0xB68E},
{0x3086, 0x012A},
{0x3086, 0xF83E},
{0x3086, 0x022A},
{0x3086, 0xFA3F},
{0x3086, 0x095C},
{0x3086, 0x1B29},
{0x3086, 0xB23F},
{0x3086, 0x0C3E},
{0x3086, 0x023E},
{0x3086, 0x135C},
{0x3086, 0x133F},
{0x3086, 0x113E},
{0x3086, 0x0B5F},
{0x3086, 0x2B90},
{0x3086, 0x2AF2},
{0x3086, 0x2B80},
{0x3086, 0x3E04},
{0x3086, 0x3F06},
{0x3086, 0x6029},
{0x3086, 0xA229},
{0x3086, 0xA35F},
{0x3086, 0x4D1C},
{0x3086, 0x2AFA},
{0x3086, 0x2983},
{0x3086, 0x45A8},
{0x3086, 0x3E07},
{0x3086, 0x2AFB},
{0x3086, 0x3E29},
{0x3086, 0x4588},
{0x3086, 0x243E},
{0x3086, 0x082A},
{0x3086, 0xFA5D},
{0x3086, 0x2992},
{0x3086, 0x8810},
{0x3086, 0x2B04},
{0x3086, 0x8B16},
{0x3086, 0x868D},
{0x3086, 0x484D},
{0x3086, 0x4E2B},
{0x3086, 0x804C},
{0x3086, 0x0B60},
{0x3086, 0x3F28},
{0x3086, 0x2AF2},
{0x3086, 0x3F0F},
{0x3086, 0x2982},
{0x3086, 0x2983},
{0x3086, 0x2943},
{0x3086, 0x5C15},
{0x3086, 0x5F4D},
{0x3086, 0x1C2A},
{0x3086, 0xFA45},
{0x3086, 0x588E},
{0x3086, 0x002A},
{0x3086, 0x983F},
{0x3086, 0x064A},
{0x3086, 0x739D},
{0x3086, 0x0A43},
{0x3086, 0x160B},
{0x3086, 0x4316},
{0x3086, 0x8E03},
{0x3086, 0x2A9C},
{0x3086, 0x4578},
{0x3086, 0x3F07},
{0x3086, 0x2A9D},
{0x3086, 0x3E12},
{0x3086, 0x4558},
{0x3086, 0x3F04},
{0x3086, 0x8E01},
{0x3086, 0x2A98},
{0x3086, 0x8E00},
{0x3086, 0x9176},
{0x3086, 0x9C77},
{0x3086, 0x9C46},
{0x3086, 0x4416},
{0x3086, 0x1690},
{0x3086, 0x7A12},
{0x3086, 0x444B},
{0x3086, 0x4A00},
{0x3086, 0x4316},
{0x3086, 0x6343},
{0x3086, 0x1608},
{0x3086, 0x4316},
{0x3086, 0x5043},
{0x3086, 0x1665},
{0x3086, 0x4316},
{0x3086, 0x6643},
{0x3086, 0x168E},
{0x3086, 0x032A},
{0x3086, 0x9C45},
{0x3086, 0x783F},
{0x3086, 0x072A},
{0x3086, 0x9D5D},
{0x3086, 0x0C29},
{0x3086, 0x4488},
{0x3086, 0x102B},
{0x3086, 0x0453},
{0x3086, 0x0D8B},
{0x3086, 0x1686},
{0x3086, 0x3E1F},
{0x3086, 0x4558},
{0x3086, 0x283E},
{0x3086, 0x068E},
{0x3086, 0x012A},
{0x3086, 0x988E},
{0x3086, 0x008D},
{0x3086, 0x6012},
{0x3086, 0x444B},
{0x3086, 0x2C2C},
{0x3086, 0x2C2C},
{0x2436, 0x000E},
{0x320C, 0x0180},
{0x320E, 0x0300},
{0x3210, 0x0500},
{0x3204, 0x0B6D},
{0x30FE, 0x0080},
{0x3ED8, 0x7B99},
{0x3EDC, 0x9BA8},
{0x3EDA, 0x9B9B},
{0x3092, 0x006F},
{0x3EEC, 0x1C04},
{0x30BA, 0x779C},
{0x3EF6, 0xA70F},
{0x3044, 0x0410},
{0x3ED0, 0xFF44},
{0x3ED4, 0x031F},
{0x30FE, 0x0080},
{0x3EE2, 0x8866},
{0x3EE4, 0x6623},
{0x3EE6, 0x2263},
{0x30E0, 0x4283},
{0x30F0, 0x1283},
{0x30B0, 0x0118},
{0x31AC, 0x100C},
{0x3040, 0x0000},
{0x31AE, 0x0301},
{0x3082, 0x0008},
{0x31E0, 0x0200},
{0x2420, 0x0000},
{0x2440, 0x0004},
{0x2442, 0x0080},
{0x301E, 0x0000},
{0x2450, 0x0000},
{0x320A, 0x0080},
{0x31D0, 0x0000},
{0x2400, 0x0002},
{0x2410, 0x0005},
{0x2412, 0x002D},
{0x2444, 0xF400},
{0x2446, 0x0001},
{0x2438, 0x0010},
{0x243A, 0x0012},
{0x243C, 0xFFFF},
{0x243E, 0x0100},
{0x3206, 0x0B08},
{0x3208, 0x1E13},
{0x3202, 0x0080},
{0x3200, 0x0002},
{0x3190, 0x0000},
{0x318A, 0x0E74},
{0x318C, 0xC000},
{0x3192, 0x0400},
{0x3198, 0x183C},
{0x3060, 0x000B},
{0x3096, 0x0480},
{0x3098, 0x0480},
{0x3206, 0x0B08},
{0x3208, 0x1E13},
{0x3202, 0x0080},
{0x3200, 0x0002},
{0x3100, 0x0000},
{0x30BA, 0x779C},
{0x318E, 0x0200},
{0x3064, 0x1982},
{0x3064, 0x1802},
{0x302A, 0x0008},
{0x302C, 0x0001},
{0x302E, 0x0008},
{0x3030, 0x00C6},
{0x3036, 0x0006},
{0x3038, 0x0001},
{0x31AE, 0x0301},
{0x30BA, 0x769C},
{0x3002, 0x0004},
{0x3004, 0x000c},
{0x3006, 0x043b},
{0x3008, 0x078b},
{0x300A, 0x044A},
{0x300C, 0x0469},
{0x3012, 0x0148},
{0x3180, 0x0008},
{0x3062, 0x2333},
{0x30B0, 0x0118},
{0x30A2, 0x0001},
{0x30A6, 0x0001},
{0x3082, 0x0008},
{0x3040, 0x0000},
{0x318E, 0x0000},
#else
{0x301A, 0x0001},
{REG_DELAY, 20000},
{0x301A, 0x10D8},
{REG_DELAY, 20000},
{0x3088, 0x8242},
{0x3086, 0x4558},
{0x3086, 0x729B},
{0x3086, 0x4A31},
{0x3086, 0x4342},
{0x3086, 0x8E03},
{0x3086, 0x2A14},
{0x3086, 0x4578},
{0x3086, 0x7B3D},
{0x3086, 0xFF3D},
{0x3086, 0xFF3D},
{0x3086, 0xEA2A},
{0x3086, 0x043D},
{0x3086, 0x102A},
{0x3086, 0x052A},
{0x3086, 0x1535},
{0x3086, 0x2A05},
{0x3086, 0x3D10},
{0x3086, 0x4558},
{0x3086, 0x2A04},
{0x3086, 0x2A14},
{0x3086, 0x3DFF},
{0x3086, 0x3DFF},
{0x3086, 0x3DEA},
{0x3086, 0x2A04},
{0x3086, 0x622A},
{0x3086, 0x288E},
{0x3086, 0x0036},
{0x3086, 0x2A08},
{0x3086, 0x3D64},
{0x3086, 0x7A3D},
{0x3086, 0x0444},
{0x3086, 0x2C4B},
{0x3086, 0x8F03},
{0x3086, 0x430D},
{0x3086, 0x2D46},
{0x3086, 0x4316},
{0x3086, 0x5F16},
{0x3086, 0x530D},
{0x3086, 0x1660},
{0x3086, 0x3E4C},
{0x3086, 0x2904},
{0x3086, 0x2984},
{0x3086, 0x8E03},
{0x3086, 0x2AFC},
{0x3086, 0x5C1D},
{0x3086, 0x5754},
{0x3086, 0x495F},
{0x3086, 0x5305},
{0x3086, 0x5307},
{0x3086, 0x4D2B},
{0x3086, 0xF810},
{0x3086, 0x164C},
{0x3086, 0x0955},
{0x3086, 0x562B},
{0x3086, 0xB82B},
{0x3086, 0x984E},
{0x3086, 0x1129},
{0x3086, 0x9460},
{0x3086, 0x5C19},
{0x3086, 0x5C1B},
{0x3086, 0x4548},
{0x3086, 0x4508},
{0x3086, 0x4588},
{0x3086, 0x29B6},
{0x3086, 0x8E01},
{0x3086, 0x2AF8},
{0x3086, 0x1702},
{0x3086, 0x2AFA},
{0x3086, 0x1709},
{0x3086, 0x5C1B},
{0x3086, 0x29B2},
{0x3086, 0x170C},
{0x3086, 0x1703},
{0x3086, 0x1715},
{0x3086, 0x5C13},
{0x3086, 0x1711},
{0x3086, 0x170F},
{0x3086, 0x5F2B},
{0x3086, 0x902A},
{0x3086, 0xF22B},
{0x3086, 0x8017},
{0x3086, 0x0617},
{0x3086, 0x0660},
{0x3086, 0x29A2},
{0x3086, 0x29A3},
{0x3086, 0x5F4D},
{0x3086, 0x1C2A},
{0x3086, 0xFA29},
{0x3086, 0x8345},
{0x3086, 0xA817},
{0x3086, 0x072A},
{0x3086, 0xFB17},
{0x3086, 0x2945},
{0x3086, 0x8824},
{0x3086, 0x1708},
{0x3086, 0x2AFA},
{0x3086, 0x5D29},
{0x3086, 0x9288},
{0x3086, 0x102B},
{0x3086, 0x048B},
{0x3086, 0x1686},
{0x3086, 0x8D48},
{0x3086, 0x4D4E},
{0x3086, 0x2B80},
{0x3086, 0x4C0B},
{0x3086, 0x6017},
{0x3086, 0x302A},
{0x3086, 0xF217},
{0x3086, 0x1017},
{0x3086, 0x8F29},
{0x3086, 0x8229},
{0x3086, 0x8329},
{0x3086, 0x435C},
{0x3086, 0x155F},
{0x3086, 0x4D1C},
{0x3086, 0x2AFA},
{0x3086, 0x4558},
{0x3086, 0x8E00},
{0x3086, 0x2A98},
{0x3086, 0x170A},
{0x3086, 0x4A0A},
{0x3086, 0x4316},
{0x3086, 0x0B43},
{0x3086, 0x168E},
{0x3086, 0x032A},
{0x3086, 0x9C45},
{0x3086, 0x7817},
{0x3086, 0x072A},
{0x3086, 0x9D17},
{0x3086, 0x305D},
{0x3086, 0x2944},
{0x3086, 0x8810},
{0x3086, 0x2B04},
{0x3086, 0x530D},
{0x3086, 0x4558},
{0x3086, 0x1708},
{0x3086, 0x8E01},
{0x3086, 0x2A98},
{0x3086, 0x8E00},
{0x3086, 0x769C},
{0x3086, 0x779C},
{0x3086, 0x4644},
{0x3086, 0x1616},
{0x3086, 0x907A},
{0x3086, 0x1244},
{0x3086, 0x4B18},
{0x3086, 0x4A04},
{0x3086, 0x4316},
{0x3086, 0x0643},
{0x3086, 0x1605},
{0x3086, 0x4316},
{0x3086, 0x0743},
{0x3086, 0x1658},
{0x3086, 0x4316},
{0x3086, 0x5A43},
{0x3086, 0x1645},
{0x3086, 0x588E},
{0x3086, 0x032A},
{0x3086, 0x9C45},
{0x3086, 0x787B},
{0x3086, 0x1707},
{0x3086, 0x2A9D},
{0x3086, 0x530D},
{0x3086, 0x8B16},
{0x3086, 0x8617},
{0x3086, 0x2345},
{0x3086, 0x5825},
{0x3086, 0x1710},
{0x3086, 0x8E01},
{0x3086, 0x2A98},
{0x3086, 0x8E00},
{0x3086, 0x1710},
{0x3086, 0x8D60},
{0x3086, 0x1244},
{0x3086, 0x4B2C},
{0x3086, 0x2C2C},
{0x2436, 0x000E},
{0x320C, 0x0180},
{0x320E, 0x0300},
{0x3210, 0x0500},
{0x3204, 0x0B6D},
{0x30FE, 0x0080},
{0x3ED8, 0x7B99},
{0x3EDC, 0x9BA8},
{0x3EDA, 0x9B9B},
{0x3092, 0x006F},
{0x3EEC, 0x1C04},
{0x30BA, 0x779C},
{0x3EF6, 0xA70F},
{0x3044, 0x0410},
{0x3ED0, 0xFF44},
{0x3ED4, 0x031F},
{0x30FE, 0x0080},
{0x3EE2, 0x8866},
{0x3EE4, 0x6623},
{0x3EE6, 0x2263},
{0x30E0, 0x4283},
{0x30F0, 0x1283},
{0x30B0, 0x0118},
{0x31AC, 0x0C0C},
{0x3040, 0x0000},
{0x31AE, 0x0301},
{0x3082, 0x0009},
{0x30BA, 0x769C},
{0x31E0, 0x0200},
{0x318C, 0x0000},
{0x3060, 0x000B},
{0x3096, 0x0080},
{0x3098, 0x0080},
{0x3206, 0x0B08},
{0x3208, 0x1E13},
{0x3202, 0x0080},
{0x3200, 0x0002},
{0x3100, 0x0000},
{0x3200, 0x0000},
{0x31D0, 0x0000},
{0x2400, 0x0003},
{0x301E, 0x00A8},
{0x2450, 0x0000},
{0x320A, 0x0080},
{0x3064, 0x1982},
{0x3064, 0x1802},
{0x302A, 0x0008},
{0x302C, 0x0001},
{0x302E, 0x0008},
{0x3030, 0x00C6},
{0x3036, 0x0006},
{0x3038, 0x0001},
{0x31AE, 0x0301},
{0x30BA, 0x769C},
{0x3002, 0x0004},
{0x3004, 0x000C},
{0x3006, 0x043B},
{0x3008, 0x078B},
{0x300A, 0x0448},
{0x300C, 0x0469},
{0x3012, 0x03DA},
{0x3180, 0x0008},
{0x3062, 0x2333},
{0x30B0, 0x0118},
{0x30A2, 0x0001},
{0x30A6, 0x0001},
{0x3082, 0x0009},
{0x3040, 0x0000},
{0x318E, 0x0000},
{0x301A, 0x10D8},
#endif
{REG_NULL, 0x00},
};
static const struct ar0230_mode supported_modes[] = {
{
.width = 1920,
.height = 1080,
.max_fps = {
.numerator = 10000,
.denominator = 300000,
},
.exp_def = 0x0100,
.hts_def = 0x0469 * 2,
.vts_def = 0x044a,
.reg_list = ar0230_regs,
}
};
static const char * const ar0230_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 ar0230_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++];
//printk("czf reg = 0x%04x, value = 0x%04x\n", reg, val);
if (i2c_master_send(client, buf, len + 2) != len + 2)
return -EIO;
usleep_range(10, 20);
return 0;
}
static int ar0230_write_array(struct i2c_client *client,
const struct regval *regs)
{
u32 i;
int ret = 0;
for (i = 0; ret == 0 && regs[i].addr != REG_NULL; i++) {
if (unlikely(regs[i].addr == REG_DELAY))
usleep_range(regs[i].val, regs[i].val * 2);
else
ret = ar0230_write_reg(client, regs[i].addr,
AR0230_REG_VALUE_16BIT,
regs[i].val);
}
return ret;
}
/* Read registers up to 4 at a time */
static int ar0230_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 ar0230_get_reso_dist(const struct ar0230_mode *mode,
struct v4l2_mbus_framefmt *framefmt)
{
return abs(mode->width - framefmt->width) +
abs(mode->height - framefmt->height);
}
static const struct ar0230_mode *
ar0230_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;
u32 i;
for (i = 0; i < ARRAY_SIZE(supported_modes); i++) {
dist = ar0230_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 ar0230_set_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct ar0230 *ar0230 = to_ar0230(sd);
const struct ar0230_mode *mode;
s64 h_blank, vblank_def;
mutex_lock(&ar0230->mutex);
mode = ar0230_find_best_fit(fmt);
fmt->format.code = PIX_FORMAT;
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(&ar0230->mutex);
return -ENOTTY;
#endif
} else {
ar0230->cur_mode = mode;
h_blank = mode->hts_def - mode->width;
__v4l2_ctrl_modify_range(ar0230->hblank, h_blank,
h_blank, 1, h_blank);
vblank_def = mode->vts_def - mode->height;
__v4l2_ctrl_modify_range(ar0230->vblank, vblank_def,
AR0230_VTS_MAX - mode->height,
1, vblank_def);
}
mutex_unlock(&ar0230->mutex);
return 0;
}
static int ar0230_get_fmt(struct v4l2_subdev *sd,
struct v4l2_subdev_state *sd_state,
struct v4l2_subdev_format *fmt)
{
struct ar0230 *ar0230 = to_ar0230(sd);
const struct ar0230_mode *mode = ar0230->cur_mode;
mutex_lock(&ar0230->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(&ar0230->mutex);
return -ENOTTY;
#endif
} else {
fmt->format.width = mode->width;
fmt->format.height = mode->height;
fmt->format.code = PIX_FORMAT;
fmt->format.field = V4L2_FIELD_NONE;
}
mutex_unlock(&ar0230->mutex);
return 0;
}
static int ar0230_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 = PIX_FORMAT;
return 0;
}
static int ar0230_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 != PIX_FORMAT)
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 ar0230_enable_test_pattern(struct ar0230 *ar0230, u32 pattern)
{
return 0;
}
static void ar0230_get_module_inf(struct ar0230 *ar0230,
struct rkmodule_inf *inf)
{
memset(inf, 0, sizeof(*inf));
strlcpy(inf->base.sensor, AR0230_NAME, sizeof(inf->base.sensor));
strlcpy(inf->base.module, ar0230->module_name,
sizeof(inf->base.module));
strlcpy(inf->base.lens, ar0230->len_name, sizeof(inf->base.lens));
}
static long ar0230_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct ar0230 *ar0230 = to_ar0230(sd);
long ret = 0;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
ar0230_get_module_inf(ar0230, (struct rkmodule_inf *)arg);
break;
case RKMODULE_SET_QUICK_STREAM:
stream = *((u32 *)arg);
if (stream)
ret = ar0230_write_reg(ar0230->client, AR0230_REG_CTRL_MODE,
AR0230_REG_VALUE_16BIT, AR0230_MODE_STREAMING);
else
ret = ar0230_write_reg(ar0230->client, AR0230_REG_CTRL_MODE,
AR0230_REG_VALUE_16BIT, AR0230_MODE_SW_STANDBY);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#ifdef CONFIG_COMPAT
static long ar0230_compat_ioctl32(struct v4l2_subdev *sd,
unsigned int cmd, unsigned long arg)
{
void __user *up = compat_ptr(arg);
struct rkmodule_inf *inf;
long ret;
u32 stream = 0;
switch (cmd) {
case RKMODULE_GET_MODULE_INFO:
inf = kzalloc(sizeof(*inf), GFP_KERNEL);
if (!inf) {
ret = -ENOMEM;
return ret;
}
ret = ar0230_ioctl(sd, cmd, inf);
if (!ret)
ret = copy_to_user(up, inf, sizeof(*inf));
kfree(inf);
break;
case RKMODULE_SET_QUICK_STREAM:
ret = copy_from_user(&stream, up, sizeof(u32));
if (!ret)
ret = ar0230_ioctl(sd, cmd, &stream);
break;
default:
ret = -ENOIOCTLCMD;
break;
}
return ret;
}
#endif
static int __ar0230_start_stream(struct ar0230 *ar0230)
{
int ret;
ret = ar0230_write_array(ar0230->client, ar0230->cur_mode->reg_list);
if (ret)
return ret;
/* In case these controls are set before streaming */
mutex_unlock(&ar0230->mutex);
ret = v4l2_ctrl_handler_setup(&ar0230->ctrl_handler);
mutex_lock(&ar0230->mutex);
if (ret)
return ret;
return ar0230_write_reg(ar0230->client, AR0230_REG_CTRL_MODE,
AR0230_REG_VALUE_16BIT, AR0230_MODE_STREAMING);
}
static int __ar0230_stop_stream(struct ar0230 *ar0230)
{
return ar0230_write_reg(ar0230->client, AR0230_REG_CTRL_MODE,
AR0230_REG_VALUE_16BIT, AR0230_MODE_SW_STANDBY);
}
static int ar0230_s_stream(struct v4l2_subdev *sd, int on)
{
struct ar0230 *ar0230 = to_ar0230(sd);
struct i2c_client *client = ar0230->client;
int ret = 0;
mutex_lock(&ar0230->mutex);
on = !!on;
if (on == ar0230->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 = __ar0230_start_stream(ar0230);
if (ret) {
v4l2_err(sd, "start stream failed while write regs\n");
pm_runtime_put(&client->dev);
goto unlock_and_return;
}
} else {
__ar0230_stop_stream(ar0230);
pm_runtime_put(&client->dev);
}
ar0230->streaming = on;
unlock_and_return:
mutex_unlock(&ar0230->mutex);
return ret;
}
static int ar0230_g_frame_interval(struct v4l2_subdev *sd,
struct v4l2_subdev_frame_interval *fi)
{
struct ar0230 *ar0230 = to_ar0230(sd);
const struct ar0230_mode *mode = ar0230->cur_mode;
fi->interval = mode->max_fps;
return 0;
}
static int ar0230_s_power(struct v4l2_subdev *sd, int on)
{
struct ar0230 *ar0230 = to_ar0230(sd);
struct i2c_client *client = ar0230->client;
int ret = 0;
mutex_lock(&ar0230->mutex);
/* If the power state is not modified - no work to do. */
if (ar0230->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;
}
ar0230->power_on = true;
} else {
pm_runtime_put(&client->dev);
ar0230->power_on = false;
}
unlock_and_return:
mutex_unlock(&ar0230->mutex);
return ret;
}
/* Calculate the delay in us by clock rate and clock cycles */
static inline u32 ar0230_cal_delay(u32 cycles)
{
return DIV_ROUND_UP(cycles, AR0230_XVCLK_FREQ / 1000 / 1000);
}
static int __ar0230_power_on(struct ar0230 *ar0230)
{
int ret;
u32 i, delay_us;
struct device *dev = &ar0230->client->dev;
ret = clk_set_rate(ar0230->xvclk, AR0230_XVCLK_FREQ);
if (ret < 0) {
dev_err(dev, "Failed to set xvclk rate (%d)\n",
AR0230_XVCLK_FREQ);
return ret;
}
if (clk_get_rate(ar0230->xvclk) != AR0230_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on %d\n",
AR0230_XVCLK_FREQ);
ret = clk_prepare_enable(ar0230->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
}
if (!IS_ERR(ar0230->reset_gpio))
gpiod_set_value_cansleep(ar0230->reset_gpio, 0);
for (i = 0; i < AR0230_NUM_SUPPLIES; i++)
regulator_set_voltage(ar0230->supplies[i].consumer,
ar0230_regulator[i].val,
ar0230_regulator[i].val);
ret = regulator_bulk_enable(AR0230_NUM_SUPPLIES, ar0230->supplies);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto disable_clk;
}
if (!IS_ERR(ar0230->reset_gpio))
gpiod_set_value_cansleep(ar0230->reset_gpio, 1);
if (!IS_ERR(ar0230->pwdn_gpio))
gpiod_set_value_cansleep(ar0230->pwdn_gpio, 1);
/* 8192 cycles prior to first SCCB transaction */
delay_us = ar0230_cal_delay(92000);
usleep_range(delay_us, delay_us * 2);
return 0;
disable_clk:
clk_disable_unprepare(ar0230->xvclk);
return ret;
}
static void __ar0230_power_off(struct ar0230 *ar0230)
{
if (!IS_ERR(ar0230->pwdn_gpio))
gpiod_set_value_cansleep(ar0230->pwdn_gpio, 0);
clk_disable_unprepare(ar0230->xvclk);
if (!IS_ERR(ar0230->reset_gpio))
gpiod_set_value_cansleep(ar0230->reset_gpio, 0);
regulator_bulk_disable(AR0230_NUM_SUPPLIES, ar0230->supplies);
}
static int ar0230_runtime_resume(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ar0230 *ar0230 = to_ar0230(sd);
return __ar0230_power_on(ar0230);
}
static int ar0230_runtime_suspend(struct device *dev)
{
struct i2c_client *client = to_i2c_client(dev);
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ar0230 *ar0230 = to_ar0230(sd);
__ar0230_power_off(ar0230);
return 0;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int ar0230_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct ar0230 *ar0230 = to_ar0230(sd);
struct v4l2_mbus_framefmt *try_fmt =
v4l2_subdev_get_try_format(sd, fh->state, 0);
const struct ar0230_mode *def_mode = &supported_modes[0];
mutex_lock(&ar0230->mutex);
/* Initialize try_fmt */
try_fmt->width = def_mode->width;
try_fmt->height = def_mode->height;
try_fmt->code = PIX_FORMAT;
try_fmt->field = V4L2_FIELD_NONE;
mutex_unlock(&ar0230->mutex);
/* No crop or compose */
return 0;
}
#endif
static int ar0230_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
struct v4l2_mbus_config *config)
{
config->type = V4L2_MBUS_PARALLEL;
config->bus.parallel.flags = V4L2_MBUS_HSYNC_ACTIVE_HIGH |
V4L2_MBUS_VSYNC_ACTIVE_HIGH |
V4L2_MBUS_PCLK_SAMPLE_FALLING;
return 0;
}
static int ar0230_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 = PIX_FORMAT;
fie->width = supported_modes[fie->index].width;
fie->height = supported_modes[fie->index].height;
fie->interval = supported_modes[fie->index].max_fps;
return 0;
}
static const struct dev_pm_ops ar0230_pm_ops = {
SET_RUNTIME_PM_OPS(ar0230_runtime_suspend,
ar0230_runtime_resume, NULL)
};
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops ar0230_internal_ops = {
.open = ar0230_open,
};
#endif
static const struct v4l2_subdev_core_ops ar0230_core_ops = {
.s_power = ar0230_s_power,
.ioctl = ar0230_ioctl,
#ifdef CONFIG_COMPAT
.compat_ioctl32 = ar0230_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops ar0230_video_ops = {
.s_stream = ar0230_s_stream,
.g_frame_interval = ar0230_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops ar0230_pad_ops = {
.enum_mbus_code = ar0230_enum_mbus_code,
.enum_frame_size = ar0230_enum_frame_sizes,
.enum_frame_interval = ar0230_enum_frame_interval,
.get_fmt = ar0230_get_fmt,
.set_fmt = ar0230_set_fmt,
.get_mbus_config = ar0230_g_mbus_config,
};
static const struct v4l2_subdev_ops ar0230_subdev_ops = {
.core = &ar0230_core_ops,
.video = &ar0230_video_ops,
.pad = &ar0230_pad_ops,
};
static int ar0230_set_gain(struct ar0230 *ar0230, int gain)
{
int ret = 0;
u32 again = 0;
if (gain < 192)
gain = 192;
if (gain < 256) {
again = (u32)(32 - (32 * 128 / gain));
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 0);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
} else if (gain >= 256 && gain < 345) {
again = (u32)(32 - (64 * 128 / gain));
again |= 0x0010;
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 0);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
} else if (gain >= 345 && gain < 691) {
again = (u32)(32 - (32 * 345 / gain));
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 4);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
} else if (gain >= 691 && gain < 1382) {
again = (u32)(32 - (64 * 345 / gain));
again |= 0x0010;
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 4);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
} else if (gain >= 1382 && gain < 2764) {
again = (u32)(32 - (128 * 345 / gain));
again |= 0x0020;
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 4);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
} else if (gain >= 2764 && gain < 4023) {
again = (u32)(32 - (256 * 345 / gain));
again |= 0x0030;
ret = ar0230_write_reg(ar0230->client, 0x3100,
AR0230_REG_VALUE_16BIT, 4);
ret |= ar0230_write_reg(ar0230->client, AR0230_REG_ANALOG_GAIN,
AR0230_REG_VALUE_16BIT, again);
}
return ret;
}
static int ar0230_set_ctrl(struct v4l2_ctrl *ctrl)
{
struct ar0230 *ar0230 = container_of(ctrl->handler,
struct ar0230, ctrl_handler);
struct i2c_client *client = ar0230->client;
int ret = 0;
if (!pm_runtime_get_if_in_use(&client->dev))
return 0;
switch (ctrl->id) {
case V4L2_CID_EXPOSURE:
ret = ar0230_write_reg(ar0230->client, AR0230_REG_EXPOSURE,
AR0230_REG_VALUE_16BIT, ctrl->val);
break;
case V4L2_CID_ANALOGUE_GAIN:
ret = ar0230_set_gain(ar0230, ctrl->val);
break;
case V4L2_CID_VBLANK:
ret = ar0230_write_reg(ar0230->client, AR0230_REG_VTS,
AR0230_REG_VALUE_16BIT,
ctrl->val + ar0230->cur_mode->height);
break;
case V4L2_CID_TEST_PATTERN:
ret = ar0230_enable_test_pattern(ar0230, 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 ar0230_ctrl_ops = {
.s_ctrl = ar0230_set_ctrl,
};
static int ar0230_initialize_controls(struct ar0230 *ar0230)
{
const struct ar0230_mode *mode;
struct v4l2_ctrl_handler *handler;
s64 exposure_max, vblank_def;
u32 h_blank;
int ret;
handler = &ar0230->ctrl_handler;
mode = ar0230->cur_mode;
ret = v4l2_ctrl_handler_init(handler, 8);
if (ret)
return ret;
handler->lock = &ar0230->mutex;
v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
0, AR0230_PIXEL_RATE, 1, AR0230_PIXEL_RATE);
h_blank = mode->hts_def - mode->width;
ar0230->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
h_blank, h_blank, 1, h_blank);
if (ar0230->hblank)
ar0230->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
vblank_def = mode->vts_def - mode->height;
ar0230->vblank = v4l2_ctrl_new_std(handler, &ar0230_ctrl_ops,
V4L2_CID_VBLANK, vblank_def,
AR0230_VTS_MAX - mode->height,
1, vblank_def);
exposure_max = mode->vts_def - 1;
ar0230->exposure = v4l2_ctrl_new_std(handler, &ar0230_ctrl_ops,
V4L2_CID_EXPOSURE, AR0230_EXPOSURE_MIN,
exposure_max, AR0230_EXPOSURE_STEP,
mode->exp_def);
ar0230->anal_gain = v4l2_ctrl_new_std(handler, &ar0230_ctrl_ops,
V4L2_CID_ANALOGUE_GAIN, ANALOG_GAIN_MIN,
ANALOG_GAIN_MAX, ANALOG_GAIN_STEP,
ANALOG_GAIN_DEFAULT);
ar0230->test_pattern = v4l2_ctrl_new_std_menu_items(handler,
&ar0230_ctrl_ops, V4L2_CID_TEST_PATTERN,
ARRAY_SIZE(ar0230_test_pattern_menu) - 1,
0, 0, ar0230_test_pattern_menu);
if (handler->error) {
ret = handler->error;
dev_err(&ar0230->client->dev,
"Failed to init controls(%d)\n", ret);
goto err_free_handler;
}
ar0230->subdev.ctrl_handler = handler;
return 0;
err_free_handler:
v4l2_ctrl_handler_free(handler);
return ret;
}
static int ar0230_check_sensor_id(struct ar0230 *ar0230,
struct i2c_client *client)
{
struct device *dev = &ar0230->client->dev;
u32 id = 0;
int ret;
ret = ar0230_read_reg(client, AR0230_REG_CHIP_ID,
AR0230_REG_VALUE_16BIT, &id);
if (id != CHIP_ID) {
dev_err(dev, "Unexpected sensor id(%x), ret(%d)\n", id, ret);
return -ENODEV;
}
dev_info(dev, "Detected AR0230 sensor\n");
return 0;
}
static int ar0230_configure_regulators(struct ar0230 *ar0230)
{
u32 i;
for (i = 0; i < AR0230_NUM_SUPPLIES; i++)
ar0230->supplies[i].supply =
ar0230_regulator[i].name;
return devm_regulator_bulk_get(&ar0230->client->dev,
AR0230_NUM_SUPPLIES,
ar0230->supplies);
}
static int ar0230_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct device_node *node = dev->of_node;
struct ar0230 *ar0230;
struct v4l2_subdev *sd;
char facing[2];
int ret;
dev_info(dev, "driver version: %02x.%02x.%02x",
DRIVER_VERSION >> 16,
(DRIVER_VERSION & 0xff00) >> 8,
DRIVER_VERSION & 0x00ff);
ar0230 = devm_kzalloc(dev, sizeof(*ar0230), GFP_KERNEL);
if (!ar0230)
return -ENOMEM;
ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
&ar0230->module_index);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
&ar0230->module_facing);
ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
&ar0230->module_name);
ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
&ar0230->len_name);
if (ret) {
dev_err(dev, "could not get module information!\n");
return -EINVAL;
}
ar0230->client = client;
ar0230->cur_mode = &supported_modes[0];
ar0230->xvclk = devm_clk_get(dev, "xvclk");
if (IS_ERR(ar0230->xvclk)) {
dev_err(dev, "Failed to get xvclk\n");
return -EINVAL;
}
ar0230->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(ar0230->reset_gpio))
dev_warn(dev, "Failed to get reset-gpios\n");
ar0230->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
if (IS_ERR(ar0230->pwdn_gpio))
dev_warn(dev, "Failed to get pwdn-gpios\n");
ret = ar0230_configure_regulators(ar0230);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");
return ret;
}
mutex_init(&ar0230->mutex);
sd = &ar0230->subdev;
v4l2_i2c_subdev_init(sd, client, &ar0230_subdev_ops);
ret = ar0230_initialize_controls(ar0230);
if (ret)
goto err_destroy_mutex;
ret = __ar0230_power_on(ar0230);
if (ret)
goto err_free_handler;
ret = ar0230_check_sensor_id(ar0230, client);
if (ret)
goto err_power_off;
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
sd->internal_ops = &ar0230_internal_ops;
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
ar0230->pad.flags = MEDIA_PAD_FL_SOURCE;
sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
ret = media_entity_pads_init(&sd->entity, 1, &ar0230->pad);
if (ret < 0)
goto err_power_off;
#endif
memset(facing, 0, sizeof(facing));
if (strcmp(ar0230->module_facing, "back") == 0)
facing[0] = 'b';
else
facing[0] = 'f';
snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
ar0230->module_index, facing,
AR0230_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:
__ar0230_power_off(ar0230);
err_free_handler:
v4l2_ctrl_handler_free(&ar0230->ctrl_handler);
err_destroy_mutex:
mutex_destroy(&ar0230->mutex);
return ret;
}
static void ar0230_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
struct ar0230 *ar0230 = to_ar0230(sd);
v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
media_entity_cleanup(&sd->entity);
#endif
v4l2_ctrl_handler_free(&ar0230->ctrl_handler);
mutex_destroy(&ar0230->mutex);
pm_runtime_disable(&client->dev);
if (!pm_runtime_status_suspended(&client->dev))
__ar0230_power_off(ar0230);
pm_runtime_set_suspended(&client->dev);
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id ar0230_of_match[] = {
{ .compatible = "aptina,ar0230" },
{},
};
MODULE_DEVICE_TABLE(of, ar0230_of_match);
#endif
static const struct i2c_device_id ar0230_match_id[] = {
{ "aptina,ar0230", 0 },
{ },
};
static struct i2c_driver ar0230_i2c_driver = {
.driver = {
.name = AR0230_NAME,
.pm = &ar0230_pm_ops,
.of_match_table = of_match_ptr(ar0230_of_match),
},
.probe = &ar0230_probe,
.remove = &ar0230_remove,
.id_table = ar0230_match_id,
};
static int __init sensor_mod_init(void)
{
return i2c_add_driver(&ar0230_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
i2c_del_driver(&ar0230_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("Aptina ar0230 sensor driver");
MODULE_LICENSE("GPL v2");
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