Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

3 Commits   0 Branches   0 Tags   |
// SPDX-License-Identifier: GPL-2.0
/*
* GC4663 driver
*
* Copyright (C) 2020 Rockchip Electronics Co., Ltd.
*
* V0.0X01.0X01 add poweron function.
* V0.0X01.0X02 fix mclk issue when probe multiple camera.
* V0.0X01.0X03 fix gain range.
* V0.0X01.0X04 add enum_frame_interval function.
* V0.0X01.0X05 support enum sensor fmt
* V0.0X01.0X06 support mirror and flip
* V0.0X01.0X07 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/sysfs.h>
#include <linux/slab.h>
#include <linux/version.h>
#include <linux/rk-camera-module.h>
#include <linux/rk-preisp.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>
#define DRIVER_VERSION KERNEL_VERSION(0, 0x01, 0x07)
#ifndef V4L2_CID_DIGITAL_GAIN
#define V4L2_CID_DIGITAL_GAIN V4L2_CID_GAIN
#endif
#define GC4663_LANES 2
#define GC4663_BITS_PER_SAMPLE 10
#define GC4663_LINK_FREQ_LINEAR 324000000 //2560*1440
#define GC4663_LINK_FREQ_HDR 672000000
#define GC4663_PIXEL_RATE_LINEAR (GC4663_LINK_FREQ_LINEAR * 2 / 10 * 2)
#define GC4663_PIXEL_RATE_HDR (GC4663_LINK_FREQ_HDR * 2 / 10 * 2)
#define GC4663_XVCLK_FREQ 24000000
#define CHIP_ID 0x4653
#define GC4663_REG_CHIP_ID_H 0x03f0
#define GC4663_REG_CHIP_ID_L 0x03f1
#define GC4663_REG_CTRL_MODE 0x0100
#define GC4663_MODE_SW_STANDBY 0x00
#define GC4663_MODE_STREAMING 0x09
#define GC4663_REG_SEXPOSURE_H 0x0200
#define GC4663_REG_SEXPOSURE_L 0x0201
#define GC4663_REG_EXPOSURE_H 0x0202
#define GC4663_REG_EXPOSURE_L 0x0203
#define GC4663_EXPOSURE_MIN 4
#define GC4663_EXPOSURE_STEP 1
#define GC4663_VTS_MAX 0x7fff
#define GC4663_GAIN_MIN 64
#define GC4663_GAIN_MAX 0xffff
#define GC4663_GAIN_STEP 1
#define GC4663_GAIN_DEFAULT 256
#define GC4663_REG_TEST_PATTERN 0x008c
#define GC4663_TEST_PATTERN_ENABLE 0x11
#define GC4663_TEST_PATTERN_DISABLE 0x0
#define GC4663_REG_VTS_H 0x0340
#define GC4663_REG_VTS_L 0x0341
#define GC4663_FLIP_MIRROR_REG 0x0101
#define GC4663_MIRROR_BIT_MASK BIT(0)
#define GC4663_FLIP_BIT_MASK BIT(1)
#define REG_NULL 0xFFFF
#define GC4663_REG_VALUE_08BIT 1
#define GC4663_REG_VALUE_16BIT 2
#define GC4663_REG_VALUE_24BIT 3
#define OF_CAMERA_PINCTRL_STATE_DEFAULT "rockchip,camera_default"
#define OF_CAMERA_PINCTRL_STATE_SLEEP "rockchip,camera_sleep"
#define OF_CAMERA_HDR_MODE "rockchip,camera-hdr-mode"
#define GC4663_NAME "gc4663"
static const char * const gc4663_supply_names[] = {
<------>"dovdd", /* Digital I/O power */
<------>"dvdd", /* Digital core power */
<------>"avdd", /* Analog power */
};
#define GC4663_NUM_SUPPLIES ARRAY_SIZE(gc4663_supply_names)
struct regval {
<------>u16 addr;
<------>u8 val;
};
struct gc4663_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;
<------>u32 hdr_mode;
<------>u32 vc[PAD_MAX];
};
struct gc4663 {
<------>struct i2c_client *client;
<------>struct clk *xvclk;
<------>struct gpio_desc *reset_gpio;
<------>struct gpio_desc *pwdn_gpio;
<------>struct gpio_desc *pwren_gpio;
<------>struct regulator_bulk_data supplies[GC4663_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 *pixel_rate;
<------>struct v4l2_ctrl *link_freq;
<------>struct v4l2_ctrl *h_flip;
<------>struct v4l2_ctrl *v_flip;
<------>struct v4l2_ctrl *test_pattern;
<------>struct mutex mutex;
<------>bool streaming;
<------>bool power_on;
<------>const struct gc4663_mode *cur_mode;
<------>u32 cfg_num;
<------>u32 module_index;
<------>u32 cur_vts;
<------>u32 cur_pixel_rate;
<------>u32 cur_link_freq;
<------>struct preisp_hdrae_exp_s init_hdrae_exp;
<------>const char *module_facing;
<------>const char *module_name;
<------>const char *len_name;
<------>bool has_init_exp;
};
#define to_gc4663(sd) container_of(sd, struct gc4663, subdev)
/*
* Xclk 24Mhz
*/
static const struct regval gc4663_global_regs[] = {
<------>{REG_NULL, 0x00},
};
static const u32 reg_val_table_hdr[26][7] = {
<------>//2b3 2b4 2b8 2b9 515 519 2d9
<------>{0x00, 0x00, 0x01, 0x00, 0x30, 0x28, 0x66},
<------>{0x20, 0x00, 0x01, 0x0B, 0x30, 0x2a, 0x68},
<------>{0x01, 0x00, 0x01, 0x19, 0x30, 0x27, 0x65},
<------>{0x21, 0x00, 0x01, 0x2A, 0x30, 0x29, 0x67},
<------>{0x02, 0x00, 0x02, 0x00, 0x30, 0x27, 0x65},
<------>{0x22, 0x00, 0x02, 0x17, 0x30, 0x29, 0x67},
<------>{0x03, 0x00, 0x02, 0x33, 0x30, 0x28, 0x66},
<------>{0x23, 0x00, 0x03, 0x14, 0x30, 0x2a, 0x68},
<------>{0x04, 0x00, 0x04, 0x00, 0x30, 0x2a, 0x68},
<------>{0x24, 0x00, 0x04, 0x2F, 0x30, 0x2b, 0x69},
<------>{0x05, 0x00, 0x05, 0x26, 0x30, 0x2c, 0x6A},
<------>{0x25, 0x00, 0x06, 0x28, 0x30, 0x2e, 0x6C},
<------>{0x06, 0x00, 0x08, 0x00, 0x30, 0x2f, 0x6D},
<------>{0x26, 0x00, 0x09, 0x1E, 0x30, 0x31, 0x6F},
<------>{0x46, 0x00, 0x0B, 0x0C, 0x30, 0x34, 0x72},
<------>{0x66, 0x00, 0x0D, 0x11, 0x30, 0x37, 0x75},
<------>{0x0e, 0x00, 0x10, 0x00, 0x30, 0x3a, 0x78},
<------>{0x2e, 0x00, 0x12, 0x3D, 0x30, 0x3e, 0x7C},
<------>{0x4e, 0x00, 0x16, 0x19, 0x30, 0x41, 0x7F},
<------>{0x6e, 0x00, 0x1A, 0x22, 0x30, 0x45, 0x83},
<------>{0x1e, 0x00, 0x20, 0x00, 0x30, 0x49, 0x87},
<------>{0x3e, 0x00, 0x25, 0x3A, 0x30, 0x4d, 0x8B},
<------>{0x5e, 0x00, 0x2C, 0x33, 0x30, 0x53, 0x91},
<------>{0x7e, 0x00, 0x35, 0x05, 0x30, 0x5a, 0x98},
<------>{0x9e, 0x00, 0x40, 0x00, 0x30, 0x60, 0x9E},
<------>{0xbe, 0x00, 0x4B, 0x35, 0x30, 0x67, 0xA5},
};
static const u32 reg_val_table_liner[26][7] = {
<------>//2b3 2b4 2b8 2b9 515 519 2d9
<------>{0x00, 0x00, 0x01, 0x00, 0x30, 0x1e, 0x5C},
<------>{0x20, 0x00, 0x01, 0x0B, 0x30, 0x1e, 0x5C},
<------>{0x01, 0x00, 0x01, 0x19, 0x30, 0x1d, 0x5B},
<------>{0x21, 0x00, 0x01, 0x2A, 0x30, 0x1e, 0x5C},
<------>{0x02, 0x00, 0x02, 0x00, 0x30, 0x1e, 0x5C},
<------>{0x22, 0x00, 0x02, 0x17, 0x30, 0x1d, 0x5B},
<------>{0x03, 0x00, 0x02, 0x33, 0x20, 0x16, 0x54},
<------>{0x23, 0x00, 0x03, 0x14, 0x20, 0x17, 0x55},
<------>{0x04, 0x00, 0x04, 0x00, 0x20, 0x17, 0x55},
<------>{0x24, 0x00, 0x04, 0x2F, 0x20, 0x19, 0x57},
<------>{0x05, 0x00, 0x05, 0x26, 0x20, 0x19, 0x57},
<------>{0x25, 0x00, 0x06, 0x28, 0x20, 0x1b, 0x59},
<------>{0x0c, 0x00, 0x08, 0x00, 0x20, 0x1d, 0x5B},
<------>{0x2C, 0x00, 0x09, 0x1E, 0x20, 0x1f, 0x5D},
<------>{0x0D, 0x00, 0x0B, 0x0C, 0x20, 0x21, 0x5F},
<------>{0x2D, 0x00, 0x0D, 0x11, 0x20, 0x24, 0x62},
<------>{0x1C, 0x00, 0x10, 0x00, 0x20, 0x26, 0x64},
<------>{0x3C, 0x00, 0x12, 0x3D, 0x18, 0x2a, 0x68},
<------>{0x5C, 0x00, 0x16, 0x19, 0x18, 0x2c, 0x6A},
<------>{0x7C, 0x00, 0x1A, 0x22, 0x18, 0x2e, 0x6C},
<------>{0x9C, 0x00, 0x20, 0x00, 0x18, 0x32, 0x70},
<------>{0xBC, 0x00, 0x25, 0x3A, 0x18, 0x35, 0x73},
<------>{0xDC, 0x00, 0x2C, 0x33, 0x10, 0x36, 0x74},
<------>{0xFC, 0x00, 0x35, 0x05, 0x10, 0x38, 0x76},
<------>{0x1C, 0x01, 0x40, 0x00, 0x10, 0x3c, 0x7A},
<------>{0x3C, 0x01, 0x4B, 0x35, 0x10, 0x42, 0x80},
};
static const u32 gain_level_table[27] = {
<------>64,
<------>75,
<------>89,
<------>106,
<------>128,
<------>151,
<------>179,
<------>212,
<------>256,
<------>303,
<------>358,
<------>424,
<------>512,
<------>606,
<------>716,
<------>849,
<------>1024,
<------>1213,
<------>1433,
<------>1698,
<------>2048,
<------>2426,
<------>2867,
<------>3397,
<------>4096,
<------>4853,
<------>0xffff,
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 648Mbps, 2lane
*/
static const struct regval gc4663_linear10bit_2560x1440_regs[] = {
<------>{0x03fe, 0xf0},
<------>{0x03fe, 0x00},
<------>{0x0317, 0x00},
<------>{0x0320, 0x77},
<------>{0x0324, 0xc8},
<------>{0x0325, 0x06},
<------>{0x0326, 0x60},
<------>{0x0327, 0x03},
<------>{0x0334, 0x40},
<------>{0x0336, 0x60},
<------>{0x0337, 0x82},
<------>{0x0315, 0x25},
<------>{0x031c, 0xc6},
<------>{0x0287, 0x18},
<------>{0x0084, 0x00},
<------>{0x0087, 0x50},
<------>{0x029d, 0x08},
<------>{0x0290, 0x00},
<------>{0x0340, 0x05},
<------>{0x0341, 0xdc},
<------>{0x0345, 0x06},
<------>{0x034b, 0xb0},
<------>{0x0352, 0x08},
<------>{0x0354, 0x08},
<------>{0x02d1, 0xe0},
<------>{0x0223, 0xf2},
<------>{0x0238, 0xb4},
<------>{0x02ce, 0x7f},
<------>{0x0232, 0xc4},
<------>{0x02d3, 0x05},
<------>{0x0243, 0x06},
<------>{0x02ee, 0x30},
<------>{0x026f, 0x70},
<------>{0x0257, 0x09},
<------>{0x0211, 0x02},
<------>{0x0219, 0x09},
<------>{0x023f, 0x2d},
<------>{0x0518, 0x00},
<------>{0x0519, 0x01},
<------>{0x0515, 0x08},
<------>{0x02d9, 0x3f},
<------>{0x02da, 0x02},
<------>{0x02db, 0xe8},
<------>{0x02e6, 0x20},
<------>{0x021b, 0x10},
<------>{0x0252, 0x22},
<------>{0x024e, 0x22},
<------>{0x02c4, 0x01},
<------>{0x021d, 0x17},
<------>{0x024a, 0x01},
<------>{0x02ca, 0x02},
<------>{0x0262, 0x10},
<------>{0x029a, 0x20},
<------>{0x021c, 0x0e},
<------>{0x0298, 0x03},
<------>{0x029c, 0x00},
<------>{0x027e, 0x14},
<------>{0x02c2, 0x10},
<------>{0x0540, 0x20},
<------>{0x0546, 0x01},
<------>{0x0548, 0x01},
<------>{0x0544, 0x01},
<------>{0x0242, 0x1b},
<------>{0x02c0, 0x1b},
<------>{0x02c3, 0x20},
<------>{0x02e4, 0x10},
<------>{0x022e, 0x00},
<------>{0x027b, 0x3f},
<------>{0x0269, 0x0f},
<------>{0x000f, 0x00},
<------>{0x02d2, 0x40},
<------>{0x027c, 0x08},
<------>{0x023a, 0x2e},
<------>{0x0245, 0xce},
<------>{0x0530, 0x20},
<------>{0x0531, 0x02},
<------>{0x0228, 0x50},
<------>{0x02ab, 0x00},
<------>{0x0250, 0x00},
<------>{0x0221, 0x50},
<------>{0x02ac, 0x00},
<------>{0x02a5, 0x02},
<------>{0x0260, 0x0b},
<------>{0x0216, 0x04},
<------>{0x0299, 0x1C},
<------>{0x02bb, 0x0d},
<------>{0x02a3, 0x02},
<------>{0x02a4, 0x02},
<------>{0x021e, 0x02},
<------>{0x024f, 0x08},
<------>{0x028c, 0x08},
<------>{0x0532, 0x3f},
<------>{0x0533, 0x02},
<------>{0x0277, 0xc0},
<------>{0x0276, 0xc0},
<------>{0x0239, 0xc0},
<------>{0x0202, 0x05},
<------>{0x0203, 0xd0},
<------>{0x0205, 0xc0},
<------>{0x02b0, 0x68},
<------>{0x0002, 0xa9},
<------>{0x0004, 0x01},
<------>{0x021a, 0x98},
<------>{0x0266, 0xa0},
<------>{0x0020, 0x01},
<------>{0x0021, 0x03},
<------>{0x0022, 0x00},
<------>{0x0023, 0x04},
<------>{0x0342, 0x06},
<------>{0x0343, 0x40},
<------>{0x03fe, 0x10},
<------>{0x03fe, 0x00},
<------>{0x0106, 0x78},
<------>{0x0108, 0x0c},
<------>{0x0114, 0x01},
<------>{0x0115, 0x10},
<------>{0x0180, 0x46},
<------>{0x0181, 0x30},
<------>{0x0182, 0x05},
<------>{0x0185, 0x01},
<------>{0x03fe, 0x10},
<------>{0x03fe, 0x00},
<------>{REG_NULL, 0x00},
};
static const struct regval gc4663_linear_global_regs[] = {
<------>{0x0080, 0x02},
<------>{0x0097, 0x0a},
<------>{0x0098, 0x10},
<------>{0x0099, 0x05},
<------>{0x009a, 0xb0},
<------>{0x0317, 0x08},
<------>{0x0a67, 0x80},
<------>{0x0a70, 0x03},
<------>{0x0a82, 0x00},
<------>{0x0a83, 0x10},
<------>{0x0a80, 0x2b},
<------>{0x05be, 0x00},
<------>{0x05a9, 0x01},
<------>{0x0313, 0x80},
<------>{0x05be, 0x01},
<------>{0x0317, 0x00},
<------>{0x0a67, 0x00},
<------>{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipiclk 1309.5Mhz, 2lane
*/
static const struct regval gc4663_hdr10bit_2560x1440_regs[] = {
<------>{0x03fe, 0xf0},
<------>{0x03fe, 0x00},
<------>{0x0317, 0x00},
<------>{0x0320, 0x77},
<------>{0x0324, 0xc4},
<------>{0x0326, 0x42},
<------>{0x0327, 0x03},
<------>{0x0321, 0x10},
<------>{0x0314, 0x50},
<------>{0x0334, 0x40},
<------>{0x0335, 0xd1},
<------>{0x0336, 0x70},
<------>{0x0337, 0x82},
<------>{0x0315, 0x33},
<------>{0x031c, 0xce},
<------>{0x0287, 0x18},
<------>{0x0084, 0x00},
<------>{0x0087, 0x50},
<------>{0x029d, 0x08},
<------>{0x0290, 0x00},
<------>{0x0340, 0x06},
<------>{0x0341, 0x40},
<------>{0x0345, 0x06},
<------>{0x034b, 0xb0},
<------>{0x0352, 0x08},
<------>{0x0354, 0x08},
<------>{0x02d1, 0xc0},
<------>{0x023c, 0x04},
<------>{0x0238, 0xb4},//0xa4
<------>{0x0223, 0xfb},
<------>{0x0232, 0xc4},
<------>{0x0279, 0x53},
<------>{0x02d3, 0x01},
<------>{0x0243, 0x06},
<------>{0x02ce, 0xbf},
<------>{0x02ee, 0x30},
<------>{0x026f, 0x70},
<------>{0x0257, 0x09},
<------>{0x0211, 0x02},
<------>{0x0219, 0x09},
<------>{0x023f, 0x2d},
<------>{0x0518, 0x00},
<------>{0x0519, 0x14},
<------>{0x0515, 0x18},
<------>{0x02d9, 0x50},
<------>{0x02da, 0x02},
<------>{0x02db, 0xe8},
<------>{0x02e6, 0x20},
<------>{0x021b, 0x10},
<------>{0x0252, 0x22},
<------>{0x024e, 0x22},
<------>{0x02c4, 0x01},
<------>{0x021d, 0x17},
<------>{0x024a, 0x01},
<------>{0x02ca, 0x02},
<------>{0x0262, 0x10},
<------>{0x029a, 0x20},
<------>{0x021c, 0x0e},
<------>{0x0298, 0x03},
<------>{0x029c, 0x00},
<------>{0x027e, 0x14},
<------>{0x02c2, 0x10},
<------>{0x0540, 0x20},
<------>{0x0546, 0x01},
<------>{0x0548, 0x01},
<------>{0x0544, 0x01},
<------>{0x0242, 0x36},
<------>{0x02c0, 0x36},
<------>{0x02c3, 0x4d},
<------>{0x02e4, 0x10},
<------>{0x022e, 0x00},
<------>{0x027b, 0x3f},
<------>{0x0269, 0x0f},
<------>{0x02d2, 0x40},
<------>{0x027c, 0x08},
<------>{0x023a, 0x2e},
<------>{0x0245, 0xce},
<------>{0x0530, 0x3f},
<------>{0x0531, 0x02},
<------>{0x0228, 0x50},
<------>{0x02ab, 0x00},
<------>{0x0250, 0x00},
<------>{0x0221, 0x50},
<------>{0x02ac, 0x00},
<------>{0x02a5, 0x02},
<------>{0x0260, 0x0b},
<------>{0x0216, 0x04},
<------>{0x0299, 0x1C},
<------>{0x021a, 0x98},
<------>{0x0266, 0xd0},
<------>{0x0020, 0x01},
<------>{0x0021, 0x05},
<------>{0x0022, 0xc0},
<------>{0x0023, 0x08},
<------>{0x02bb, 0x0d},
<------>{0x02a3, 0x02},
<------>{0x02a4, 0x02},
<------>{0x021e, 0x02},
<------>{0x024f, 0x08},
<------>{0x028c, 0x08},
<------>{0x0532, 0x3f},
<------>{0x0533, 0x02},
<------>{0x0277, 0x70}, //tx_width
<------>{0x0276, 0xc0},
<------>{0x0239, 0xc0},
<------>{0x0200, 0x00},
<------>{0x0201, 0x5f},
<------>{0x0202, 0x05},
<------>{0x0203, 0xf0},
<------>{0x0205, 0xc0},
<------>{0x02b0, 0x68},
<------>{0x000f, 0x00},
<------>{0x0006, 0xe0},
<------>{0x0002, 0xa9},
<------>{0x0004, 0x01},
<------>{0x0060, 0x40},
<------>{0x0218, 0x12},
<------>{0x0342, 0x05},
<------>{0x0343, 0x5f},
<------>{0x03fe, 0x10},
<------>{0x03fe, 0x00},
<------>{0x0106, 0x78},
<------>{0x0107, 0x89},
<------>{0x0108, 0x0c},
<------>{0x0114, 0x01},
<------>{0x0115, 0x10},
<------>{0x0180, 0x4f},
<------>{0x0181, 0x30},
<------>{0x0182, 0x05},
<------>{0x0185, 0x01},
<------>{0x03fe, 0x10},
<------>{0x03fe, 0x00},
<------>{REG_NULL, 0x00},
};
static const struct gc4663_mode supported_modes[] = {
<------>{
<------><------>.width = 2560,
<------><------>.height = 1440,
<------><------>.max_fps = {
<------><------><------>.numerator = 10000,
<------><------><------>.denominator = 300000,
<------><------>},
<------><------>.exp_def = 0x0100,
<------><------>.hts_def = 0x0AA0,
<------><------>.vts_def = 0x05DC,
<------><------>.bus_fmt = MEDIA_BUS_FMT_SGRBG10_1X10,
<------><------>.reg_list = gc4663_linear10bit_2560x1440_regs,
<------><------>.hdr_mode = NO_HDR,
<------><------>.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_0,
<------>}, {
<------><------>.width = 2560,
<------><------>.height = 1440,
<------><------>.max_fps = {
<------><------><------>.numerator = 10000,
<------><------><------>.denominator = 300000,
<------><------>},
<------><------>.exp_def = 0x0100,
<------><------>.hts_def = 0x0AA0,
<------><------>.vts_def = 0x0640,
<------><------>.bus_fmt = MEDIA_BUS_FMT_SGRBG10_1X10,
<------><------>.reg_list = gc4663_hdr10bit_2560x1440_regs,
<------><------>.hdr_mode = HDR_X2,
<------><------>.vc[PAD0] = V4L2_MBUS_CSI2_CHANNEL_1,
<------><------>.vc[PAD1] = V4L2_MBUS_CSI2_CHANNEL_0,//L->csi wr0
<------><------>.vc[PAD2] = V4L2_MBUS_CSI2_CHANNEL_1,
<------><------>.vc[PAD3] = V4L2_MBUS_CSI2_CHANNEL_1,//M->csi wr2
<------>},
};
static const s64 link_freq_menu_items[] = {
<------>GC4663_LINK_FREQ_LINEAR,
<------>GC4663_LINK_FREQ_HDR,
};
static const char * const gc4663_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 gc4663_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 gc4663_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 = gc4663_write_reg(client, regs[i].addr,
<------><------><------><------> GC4663_REG_VALUE_08BIT, regs[i].val);
<------>return ret;
}
/* Read registers up to 4 at a time */
static int gc4663_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 gc4663_get_reso_dist(const struct gc4663_mode *mode,
<------><------><------><------>struct v4l2_mbus_framefmt *framefmt)
{
<------>return abs(mode->width - framefmt->width) +
<------><------><------>abs(mode->height - framefmt->height);
}
static const struct gc4663_mode *
gc4663_find_best_fit(struct gc4663 *gc4663, 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 < gc4663->cfg_num; i++) {
<------><------>dist = gc4663_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 gc4663_set_fmt(struct v4l2_subdev *sd,
<------><------><------> struct v4l2_subdev_pad_config *cfg,
<------><------><------> struct v4l2_subdev_format *fmt)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>const struct gc4663_mode *mode;
<------>s64 h_blank, vblank_def;
<------>mutex_lock(&gc4663->mutex);
<------>mode = gc4663_find_best_fit(gc4663, 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, cfg, fmt->pad) = fmt->format;
#else
<------><------>mutex_unlock(&gc4663->mutex);
<------><------>return -ENOTTY;
#endif
<------>} else {
<------><------>gc4663->cur_mode = mode;
<------><------>h_blank = mode->hts_def - mode->width;
<------><------>__v4l2_ctrl_modify_range(gc4663->hblank, h_blank,
<------><------><------><------><------> h_blank, 1, h_blank);
<------><------>vblank_def = mode->vts_def - mode->height;
<------><------>__v4l2_ctrl_modify_range(gc4663->vblank, vblank_def,
<------><------><------><------><------> GC4663_VTS_MAX - mode->height,
<------><------><------><------><------> 1, vblank_def);
<------><------>if (mode->hdr_mode == HDR_X2) {
<------><------><------>gc4663->cur_link_freq = 1;
<------><------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_HDR;
<------><------>} else {
<------><------><------>gc4663->cur_link_freq = 0;
<------><------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_LINEAR;
<------><------>}
<------><------>__v4l2_ctrl_s_ctrl_int64(gc4663->pixel_rate,
<------><------><------><------><------> gc4663->cur_pixel_rate);
<------><------>__v4l2_ctrl_s_ctrl(gc4663->link_freq,
<------><------><------><------> gc4663->cur_link_freq);
<------><------>gc4663->cur_vts = mode->vts_def;
<------>}
<------>mutex_unlock(&gc4663->mutex);
<------>return 0;
}
static int gc4663_get_fmt(struct v4l2_subdev *sd,
<------><------><------> struct v4l2_subdev_pad_config *cfg,
<------><------><------> struct v4l2_subdev_format *fmt)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>const struct gc4663_mode *mode = gc4663->cur_mode;
<------>mutex_lock(&gc4663->mutex);
<------>if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
<------><------>fmt->format = *v4l2_subdev_get_try_format(sd, cfg, fmt->pad);
#else
<------><------>mutex_unlock(&gc4663->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;
<------>}
<------>mutex_unlock(&gc4663->mutex);
<------>return 0;
}
static int gc4663_enum_mbus_code(struct v4l2_subdev *sd,
<------><------><------><------> struct v4l2_subdev_pad_config *cfg,
<------><------><------><------> struct v4l2_subdev_mbus_code_enum *code)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>if (code->index != 0)
<------><------>return -EINVAL;
<------>code->code = gc4663->cur_mode->bus_fmt;
<------>return 0;
}
static int gc4663_enum_frame_sizes(struct v4l2_subdev *sd,
<------><------><------><------> struct v4l2_subdev_pad_config *cfg,
<------><------><------><------> struct v4l2_subdev_frame_size_enum *fse)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>if (fse->index >= gc4663->cfg_num)
<------><------>return -EINVAL;
<------>if (fse->code != supported_modes[0].bus_fmt)
<------><------>return -EINVAL;
<------>fse->min_width = supported_modes[fse->index].width;
<------>fse->max_width = supported_modes[fse->index].width;
<------>fse->max_height = supported_modes[fse->index].height;
<------>fse->min_height = supported_modes[fse->index].height;
<------>return 0;
}
static int gc4663_enable_test_pattern(struct gc4663 *gc4663, u32 pattern)
{
<------>u32 val;
<------>if (pattern)
<------><------>val = GC4663_TEST_PATTERN_ENABLE;
<------>else
<------><------>val = GC4663_TEST_PATTERN_DISABLE;
<------>return gc4663_write_reg(gc4663->client, GC4663_REG_TEST_PATTERN,
<------><------><------><------>GC4663_REG_VALUE_08BIT, val);
}
static int gc4663_set_gain_reg_hdr(struct gc4663 *gc4663, u32 gain)
{
<------>int i;
<------>int total;
<------>u32 tol_dig_gain = 0;
<------>if (gain < 64)
<------><------>gain = 64;
<------>total = sizeof(gain_level_table) / sizeof(u32) - 1;
<------>for (i = 0; i < total; i++) {
<------><------>if (gain_level_table[i] <= gain &&
<------><------> gain < gain_level_table[i + 1])
<------><------><------>break;
<------>}
<------>if (i >= total)
<------><------>i = total - 1;
<------>tol_dig_gain = gain * 64 / gain_level_table[i];
<------>gc4663_write_reg(gc4663->client, 0x2b3,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][0]);
<------>gc4663_write_reg(gc4663->client, 0x2b4,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][1]);
<------>gc4663_write_reg(gc4663->client, 0x2b8,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][2]);
<------>gc4663_write_reg(gc4663->client, 0x2b9,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][3]);
<------>gc4663_write_reg(gc4663->client, 0x515,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][4]);
<------>gc4663_write_reg(gc4663->client, 0x519,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][5]);
<------>gc4663_write_reg(gc4663->client, 0x2d9,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_hdr[i][6]);
<------>gc4663_write_reg(gc4663->client, 0x20e,
<------><------><------> GC4663_REG_VALUE_08BIT, (tol_dig_gain >> 6));
<------>gc4663_write_reg(gc4663->client, 0x20f,
<------><------><------> GC4663_REG_VALUE_08BIT, ((tol_dig_gain & 0x3f) << 2));
<------>return 0;
}
static int gc4663_set_gain_reg(struct gc4663 *gc4663, u32 gain)
{
<------>int i;
<------>int total;
<------>u32 tol_dig_gain = 0;
<------>if (gain < 64)
<------><------>gain = 64;
<------>total = sizeof(gain_level_table) / sizeof(u32) - 1;
<------>for (i = 0; i < total; i++) {
<------><------>if (gain_level_table[i] <= gain &&
<------><------> gain < gain_level_table[i + 1])
<------><------><------>break;
<------>}
<------>tol_dig_gain = gain * 64 / gain_level_table[i];
<------>if (i >= total)
<------><------>i = total - 1;
<------>gc4663_write_reg(gc4663->client, 0x2b3,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][0]);
<------>gc4663_write_reg(gc4663->client, 0x2b4,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][1]);
<------>gc4663_write_reg(gc4663->client, 0x2b8,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][2]);
<------>gc4663_write_reg(gc4663->client, 0x2b9,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][3]);
<------>gc4663_write_reg(gc4663->client, 0x515,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][4]);
<------>gc4663_write_reg(gc4663->client, 0x519,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][5]);
<------>gc4663_write_reg(gc4663->client, 0x2d9,
<------><------><------> GC4663_REG_VALUE_08BIT, reg_val_table_liner[i][6]);
<------>gc4663_write_reg(gc4663->client, 0x20e,
<------><------><------> GC4663_REG_VALUE_08BIT, (tol_dig_gain >> 6));
<------>gc4663_write_reg(gc4663->client, 0x20f,
<------><------><------> GC4663_REG_VALUE_08BIT, ((tol_dig_gain & 0x3f) << 2));
<------>return 0;
}
/* window_heigth = 1472
* dummy = 20
* frame_length = window_heigth + dummy + vb = 1492 + vb
* s_exp_time < VB
* s_exp_time + l_exp_time < frame_length
*/
static int gc4663_set_hdrae(struct gc4663 *gc4663,
<------><------><------> struct preisp_hdrae_exp_s *ae)
{
<------>int ret = 0;
<------>u32 l_exp_time, m_exp_time, s_exp_time;
<------>u32 l_a_gain, m_a_gain, s_a_gain;
<------>u32 intt_long_l, intt_long_h;
<------>u32 intt_short_l, intt_short_h;
<------>u32 gain;
<------>if (!gc4663->has_init_exp && !gc4663->streaming) {
<------><------>gc4663->init_hdrae_exp = *ae;
<------><------>gc4663->has_init_exp = true;
<------><------>dev_dbg(&gc4663->client->dev, "gc4663 don't stream, record exp for hdr!\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(&gc4663->client->dev,
<------><------>"rev exp req: L_exp: 0x%x, M_exp: 0x%x, S_exp 0x%x,l_gain:0x%x, m_gain: 0x%x, s_gain: 0x%x\n",
<------><------>l_exp_time, m_exp_time, s_exp_time,
<------><------>l_a_gain, m_a_gain, s_a_gain);
<------>if (gc4663->cur_mode->hdr_mode == HDR_X2)
<------><------>l_exp_time = m_exp_time;
<------>gain = s_a_gain;
<------>if (l_exp_time <= 1)
<------><------>l_exp_time = 1;
<------>if (s_exp_time < 1)
<------><------>s_exp_time = 1;
<------>if (s_exp_time > gc4663->cur_vts - 1492) {
<------><------>dev_err(&gc4663->client->dev, "the s_exp_time is too large.\n");
<------><------>s_exp_time = gc4663->cur_vts - 1492;
<------>}
<------>if (l_exp_time > gc4663->cur_vts - s_exp_time) {
<------><------>dev_err(&gc4663->client->dev, "the l_exp_time is too large.\n");
<------><------>l_exp_time = gc4663->cur_vts - s_exp_time;
<------>}
<------>if (s_exp_time * 16 == l_exp_time) {
<------><------>if (s_exp_time > 94)
<------><------><------>s_exp_time = 94;
<------><------>if (l_exp_time > 1504)
<------><------><------>l_exp_time = 1504;
<------>}
<------>intt_long_l = l_exp_time & 0xff;
<------>intt_long_h = (l_exp_time >> 8) & 0x3f;
<------>intt_short_l = s_exp_time & 0xff;
<------>intt_short_h = (s_exp_time >> 8) & 0x3f;
<------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_EXPOSURE_H,
<------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------>intt_long_h);
<------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_EXPOSURE_L,
<------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------>intt_long_l);
<------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_SEXPOSURE_H,
<------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------>intt_short_h);
<------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_SEXPOSURE_L,
<------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------>intt_short_l);
<------>ret |= gc4663_set_gain_reg_hdr(gc4663, gain);
<------>return ret;
}
static int gc4663_g_frame_interval(struct v4l2_subdev *sd,
<------><------><------><------> struct v4l2_subdev_frame_interval *fi)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>const struct gc4663_mode *mode = gc4663->cur_mode;
<------>mutex_lock(&gc4663->mutex);
<------>fi->interval = mode->max_fps;
<------>mutex_unlock(&gc4663->mutex);
<------>return 0;
}
static int gc4663_g_mbus_config(struct v4l2_subdev *sd, unsigned int pad_id,
<------><------><------><------>struct v4l2_mbus_config *config)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>const struct gc4663_mode *mode = gc4663->cur_mode;
<------>u32 val = 0;
<------>if (mode->hdr_mode == NO_HDR)
<------><------>val = 1 << (GC4663_LANES - 1) |
<------><------>V4L2_MBUS_CSI2_CHANNEL_0 |
<------><------>V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
<------>if (mode->hdr_mode == HDR_X2)
<------><------>val = 1 << (GC4663_LANES - 1) |
<------><------>V4L2_MBUS_CSI2_CHANNEL_0 |
<------><------>V4L2_MBUS_CSI2_CONTINUOUS_CLOCK |
<------><------>V4L2_MBUS_CSI2_CHANNEL_1;
<------>config->type = V4L2_MBUS_CSI2_DPHY;
<------>config->flags = val;
<------>return 0;
}
static void gc4663_get_module_inf(struct gc4663 *gc4663,
<------><------><------><------> struct rkmodule_inf *inf)
{
<------>memset(inf, 0, sizeof(*inf));
<------>strlcpy(inf->base.sensor, GC4663_NAME, sizeof(inf->base.sensor));
<------>strlcpy(inf->base.module, gc4663->module_name,
<------><------>sizeof(inf->base.module));
<------>strlcpy(inf->base.lens, gc4663->len_name, sizeof(inf->base.lens));
}
static int gc4663_get_channel_info(struct gc4663 *gc4663, struct rkmodule_channel_info *ch_info)
{
<------>if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
<------><------>return -EINVAL;
<------>ch_info->vc = gc4663->cur_mode->vc[ch_info->index];
<------>ch_info->width = gc4663->cur_mode->width;
<------>ch_info->height = gc4663->cur_mode->height;
<------>ch_info->bus_fmt = gc4663->cur_mode->bus_fmt;
<------>return 0;
}
static long gc4663_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>struct rkmodule_hdr_cfg *hdr;
<------>u32 i, h, w;
<------>long ret = 0;
<------>u32 stream = 0;
<------>struct rkmodule_channel_info *ch_info;
<------>switch (cmd) {
<------>case RKMODULE_GET_MODULE_INFO:
<------><------>gc4663_get_module_inf(gc4663, (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 = gc4663->cur_mode->hdr_mode;
<------><------>break;
<------>case RKMODULE_SET_HDR_CFG:
<------><------>hdr = (struct rkmodule_hdr_cfg *)arg;
<------><------>w = gc4663->cur_mode->width;
<------><------>h = gc4663->cur_mode->height;
<------><------>for (i = 0; i < gc4663->cfg_num; i++) {
<------><------><------>if (w == supported_modes[i].width &&
<------><------><------> h == supported_modes[i].height &&
<------><------><------> supported_modes[i].hdr_mode == hdr->hdr_mode) {
<------><------><------><------>gc4663->cur_mode = &supported_modes[i];
<------><------><------><------>break;
<------><------><------>}
<------><------>}
<------><------>if (i == gc4663->cfg_num) {
<------><------><------>dev_err(&gc4663->client->dev,
<------><------><------><------>"not find hdr mode:%d %dx%d config\n",
<------><------><------><------>hdr->hdr_mode, w, h);
<------><------><------>ret = -EINVAL;
<------><------>} else {
<------><------><------>w = gc4663->cur_mode->hts_def -
<------><------><------> gc4663->cur_mode->width;
<------><------><------>h = gc4663->cur_mode->vts_def -
<------><------><------> gc4663->cur_mode->height;
<------><------><------>__v4l2_ctrl_modify_range(gc4663->hblank, w, w, 1, w);
<------><------><------>__v4l2_ctrl_modify_range(gc4663->vblank, h,
<------><------><------><------><------><------> GC4663_VTS_MAX -
<------><------><------><------><------><------> gc4663->cur_mode->height,
<------><------><------><------><------><------> 1, h);
<------><------><------>if (gc4663->cur_mode->hdr_mode == HDR_X2) {
<------><------><------><------>gc4663->cur_link_freq = 1;
<------><------><------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_HDR;
<------><------><------>} else {
<------><------><------><------>gc4663->cur_link_freq = 0;
<------><------><------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_LINEAR;
<------><------><------>}
<------><------>__v4l2_ctrl_s_ctrl_int64(gc4663->pixel_rate,
<------><------><------><------><------> gc4663->cur_pixel_rate);
<------><------>__v4l2_ctrl_s_ctrl(gc4663->link_freq,
<------><------><------><------> gc4663->cur_link_freq);
<------><------>gc4663->cur_vts = gc4663->cur_mode->vts_def;
<------><------>}
<------><------>break;
<------>case PREISP_CMD_SET_HDRAE_EXP:
<------><------>ret = gc4663_set_hdrae(gc4663, arg);
<------><------>break;
<------>case RKMODULE_SET_QUICK_STREAM:
<------><------>stream = *((u32 *)arg);
<------><------>if (stream)
<------><------><------>ret = gc4663_write_reg(gc4663->client, GC4663_REG_CTRL_MODE,
<------><------><------><------>GC4663_REG_VALUE_08BIT, GC4663_MODE_STREAMING);
<------><------>else
<------><------><------>ret = gc4663_write_reg(gc4663->client, GC4663_REG_CTRL_MODE,
<------><------><------><------>GC4663_REG_VALUE_08BIT, GC4663_MODE_SW_STANDBY);
<------><------>break;
<------>case RKMODULE_GET_CHANNEL_INFO:
<------><------>ch_info = (struct rkmodule_channel_info *)arg;
<------><------>ret = gc4663_get_channel_info(gc4663, ch_info);
<------><------>break;
<------>default:
<------><------>ret = -ENOIOCTLCMD;
<------><------>break;
<------>}
<------>return ret;
}
#ifdef CONFIG_COMPAT
static long gc4663_compat_ioctl32(struct v4l2_subdev *sd,
<------><------><------><------> unsigned int cmd, unsigned long arg)
{
<------>void __user *up = compat_ptr(arg);
<------>struct rkmodule_inf *inf;
<------>struct rkmodule_awb_cfg *cfg;
<------>struct rkmodule_hdr_cfg *hdr;
<------>struct preisp_hdrae_exp_s *hdrae;
<------>long ret;
<------>u32 stream = 0;
<------>struct rkmodule_channel_info *ch_info;
<------>switch (cmd) {
<------>case RKMODULE_GET_MODULE_INFO:
<------><------>inf = kzalloc(sizeof(*inf), GFP_KERNEL);
<------><------>if (!inf) {
<------><------><------>ret = -ENOMEM;
<------><------><------>return ret;
<------><------>}
<------><------>ret = gc4663_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:
<------><------>cfg = kzalloc(sizeof(*cfg), GFP_KERNEL);
<------><------>if (!cfg) {
<------><------><------>ret = -ENOMEM;
<------><------><------>return ret;
<------><------>}
<------><------>ret = copy_from_user(cfg, up, sizeof(*cfg));
<------><------>if (!ret)
<------><------><------>ret = gc4663_ioctl(sd, cmd, cfg);
<------><------>else
<------><------><------>ret = -EFAULT;
<------><------>kfree(cfg);
<------><------>break;
<------>case RKMODULE_GET_HDR_CFG:
<------><------>hdr = kzalloc(sizeof(*hdr), GFP_KERNEL);
<------><------>if (!hdr) {
<------><------><------>ret = -ENOMEM;
<------><------><------>return ret;
<------><------>}
<------><------>ret = gc4663_ioctl(sd, cmd, hdr);
<------><------>if (!ret) {
<------><------><------>ret = copy_to_user(up, hdr, sizeof(*hdr));
<------><------><------>if (ret)
<------><------><------><------>ret = -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)
<------><------><------>ret = gc4663_ioctl(sd, cmd, hdr);
<------><------>else
<------><------><------>ret = -EFAULT;
<------><------>kfree(hdr);
<------><------>break;
<------>case PREISP_CMD_SET_HDRAE_EXP:
<------><------>hdrae = kzalloc(sizeof(*hdrae), GFP_KERNEL);
<------><------>if (!hdrae) {
<------><------><------>ret = -ENOMEM;
<------><------><------>return ret;
<------><------>}
<------><------>ret = copy_from_user(hdrae, up, sizeof(*hdrae));
<------><------>if (!ret)
<------><------><------>ret = gc4663_ioctl(sd, cmd, hdrae);
<------><------>else
<------><------><------>ret = -EFAULT;
<------><------>kfree(hdrae);
<------><------>break;
<------>case RKMODULE_SET_QUICK_STREAM:
<------><------>ret = copy_from_user(&stream, up, sizeof(u32));
<------><------>if (!ret)
<------><------><------>ret = gc4663_ioctl(sd, cmd, &stream);
<------><------>else
<------><------><------>ret = -EFAULT;
<------><------>break;
<------>case RKMODULE_GET_CHANNEL_INFO:
<------><------>ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL);
<------><------>if (!ch_info) {
<------><------><------>ret = -ENOMEM;
<------><------><------>return ret;
<------><------>}
<------><------>ret = gc4663_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;
<------>default:
<------><------>ret = -ENOIOCTLCMD;
<------><------>break;
<------>}
<------>return ret;
}
#endif
static int __gc4663_start_stream(struct gc4663 *gc4663)
{
<------>int ret;
<------>ret = gc4663_write_array(gc4663->client, gc4663->cur_mode->reg_list);
<------>if (ret)
<------><------>return ret;
<------>/* In case these controls are set before streaming */
<------>ret = __v4l2_ctrl_handler_setup(&gc4663->ctrl_handler);
<------>if (gc4663->has_init_exp && gc4663->cur_mode->hdr_mode != NO_HDR) {
<------><------>ret = gc4663_ioctl(&gc4663->subdev, PREISP_CMD_SET_HDRAE_EXP,
<------><------><------>&gc4663->init_hdrae_exp);
<------><------>if (ret) {
<------><------><------>dev_err(&gc4663->client->dev,
<------><------><------><------>"init exp fail in hdr mode\n");
<------><------><------>return ret;
<------><------>}
<------>}
<------>if (ret)
<------><------>return ret;
<------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_CTRL_MODE,
<------><------><------><------>GC4663_REG_VALUE_08BIT, GC4663_MODE_STREAMING);
<------>if (gc4663->cur_mode->hdr_mode == NO_HDR)
<------><------>ret |= gc4663_write_array(gc4663->client, gc4663_linear_global_regs);
<------>return ret;
}
static int __gc4663_stop_stream(struct gc4663 *gc4663)
{
<------>gc4663->has_init_exp = false;
<------>return gc4663_write_reg(gc4663->client, GC4663_REG_CTRL_MODE,
<------><------><------><------>GC4663_REG_VALUE_08BIT, GC4663_MODE_SW_STANDBY);
}
static int gc4663_s_stream(struct v4l2_subdev *sd, int on)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>struct i2c_client *client = gc4663->client;
<------>int ret = 0;
<------>mutex_lock(&gc4663->mutex);
<------>on = !!on;
<------>if (on == gc4663->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 = __gc4663_start_stream(gc4663);
<------><------>if (ret) {
<------><------><------>v4l2_err(sd, "start stream failed while write regs\n");
<------><------><------>pm_runtime_put(&client->dev);
<------><------><------>goto unlock_and_return;
<------><------>}
<------>} else {
<------><------>__gc4663_stop_stream(gc4663);
<------><------>pm_runtime_put(&client->dev);
<------>}
<------>gc4663->streaming = on;
unlock_and_return:
<------>mutex_unlock(&gc4663->mutex);
<------>return ret;
}
static int gc4663_s_power(struct v4l2_subdev *sd, int on)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>struct i2c_client *client = gc4663->client;
<------>int ret = 0;
<------>mutex_lock(&gc4663->mutex);
<------>/* If the power state is not modified - no work to do. */
<------>if (gc4663->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 = gc4663_write_array(gc4663->client, gc4663_global_regs);
<------><------>if (ret) {
<------><------><------>v4l2_err(sd, "could not set init registers\n");
<------><------><------>pm_runtime_put_noidle(&client->dev);
<------><------><------>goto unlock_and_return;
<------><------>}
<------><------>gc4663->power_on = true;
<------>} else {
<------><------>pm_runtime_put(&client->dev);
<------><------>gc4663->power_on = false;
<------>}
unlock_and_return:
<------>mutex_unlock(&gc4663->mutex);
<------>return ret;
}
/* Calculate the delay in us by clock rate and clock cycles */
static inline u32 gc4663_cal_delay(u32 cycles)
{
<------>return DIV_ROUND_UP(cycles, GC4663_XVCLK_FREQ / 1000 / 1000);
}
static int __gc4663_power_on(struct gc4663 *gc4663)
{
<------>int ret;
<------>u32 delay_us;
<------>struct device *dev = &gc4663->client->dev;
<------>if (!IS_ERR_OR_NULL(gc4663->pins_default)) {
<------><------>ret = pinctrl_select_state(gc4663->pinctrl,
<------><------><------><------><------> gc4663->pins_default);
<------><------>if (ret < 0)
<------><------><------>dev_err(dev, "could not set pins\n");
<------>}
<------>ret = clk_set_rate(gc4663->xvclk, GC4663_XVCLK_FREQ);
<------>if (ret < 0)
<------><------>dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
<------>if (clk_get_rate(gc4663->xvclk) != GC4663_XVCLK_FREQ)
<------><------>dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
<------>ret = clk_prepare_enable(gc4663->xvclk);
<------>if (ret < 0) {
<------><------>dev_err(dev, "Failed to enable xvclk\n");
<------><------>return ret;
<------>}
<------>if (!IS_ERR(gc4663->reset_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->reset_gpio, 0);
<------>if (!IS_ERR(gc4663->pwdn_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->pwdn_gpio, 0);
<------>usleep_range(500, 1000);
<------>ret = regulator_bulk_enable(GC4663_NUM_SUPPLIES, gc4663->supplies);
<------>if (ret < 0) {
<------><------>dev_err(dev, "Failed to enable regulators\n");
<------><------>goto disable_clk;
<------>}
<------>if (!IS_ERR(gc4663->pwren_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->pwren_gpio, 1);
<------>usleep_range(1000, 1100);
<------>if (!IS_ERR(gc4663->pwdn_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->pwdn_gpio, 1);
<------>usleep_range(100, 150);
<------>if (!IS_ERR(gc4663->reset_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->reset_gpio, 1);
<------>/* 8192 cycles prior to first SCCB transaction */
<------>delay_us = gc4663_cal_delay(8192);
<------>usleep_range(delay_us, delay_us * 2);
<------>return 0;
disable_clk:
<------>clk_disable_unprepare(gc4663->xvclk);
<------>return ret;
}
static void __gc4663_power_off(struct gc4663 *gc4663)
{
<------>int ret;
<------>struct device *dev = &gc4663->client->dev;
<------>if (!IS_ERR(gc4663->pwdn_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->pwdn_gpio, 0);
<------>clk_disable_unprepare(gc4663->xvclk);
<------>if (!IS_ERR(gc4663->reset_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->reset_gpio, 0);
<------>if (!IS_ERR_OR_NULL(gc4663->pins_sleep)) {
<------><------>ret = pinctrl_select_state(gc4663->pinctrl,
<------><------><------><------><------> gc4663->pins_sleep);
<------><------>if (ret < 0)
<------><------><------>dev_dbg(dev, "could not set pins\n");
<------>}
<------>regulator_bulk_disable(GC4663_NUM_SUPPLIES, gc4663->supplies);
<------>if (!IS_ERR(gc4663->pwren_gpio))
<------><------>gpiod_set_value_cansleep(gc4663->pwren_gpio, 0);
}
static int gc4663_runtime_resume(struct device *dev)
{
<------>struct i2c_client *client = to_i2c_client(dev);
<------>struct v4l2_subdev *sd = i2c_get_clientdata(client);
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>return __gc4663_power_on(gc4663);
}
static int gc4663_runtime_suspend(struct device *dev)
{
<------>struct i2c_client *client = to_i2c_client(dev);
<------>struct v4l2_subdev *sd = i2c_get_clientdata(client);
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>__gc4663_power_off(gc4663);
<------>return 0;
}
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static int gc4663_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>struct v4l2_mbus_framefmt *try_fmt =
<------><------><------><------>v4l2_subdev_get_try_format(sd, fh->pad, 0);
<------>const struct gc4663_mode *def_mode = &supported_modes[0];
<------>mutex_lock(&gc4663->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(&gc4663->mutex);
<------>/* No crop or compose */
<------>return 0;
}
#endif
static int gc4663_enum_frame_interval(struct v4l2_subdev *sd,
<------><------><------><------> struct v4l2_subdev_pad_config *cfg,
<------><------><------><------>struct v4l2_subdev_frame_interval_enum *fie)
{
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>if (fie->index >= gc4663->cfg_num)
<------><------>return -EINVAL;
<------>fie->code = supported_modes[fie->index].bus_fmt;
<------>fie->width = supported_modes[fie->index].width;
<------>fie->height = supported_modes[fie->index].height;
<------>fie->interval = supported_modes[fie->index].max_fps;
<------>fie->reserved[0] = supported_modes[fie->index].hdr_mode;
<------>return 0;
}
static const struct dev_pm_ops gc4663_pm_ops = {
<------>SET_RUNTIME_PM_OPS(gc4663_runtime_suspend,
<------><------><------> gc4663_runtime_resume, NULL)
};
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
static const struct v4l2_subdev_internal_ops gc4663_internal_ops = {
<------>.open = gc4663_open,
};
#endif
static const struct v4l2_subdev_core_ops gc4663_core_ops = {
<------>.s_power = gc4663_s_power,
<------>.ioctl = gc4663_ioctl,
#ifdef CONFIG_COMPAT
<------>.compat_ioctl32 = gc4663_compat_ioctl32,
#endif
};
static const struct v4l2_subdev_video_ops gc4663_video_ops = {
<------>.s_stream = gc4663_s_stream,
<------>.g_frame_interval = gc4663_g_frame_interval,
};
static const struct v4l2_subdev_pad_ops gc4663_pad_ops = {
<------>.enum_mbus_code = gc4663_enum_mbus_code,
<------>.enum_frame_size = gc4663_enum_frame_sizes,
<------>.enum_frame_interval = gc4663_enum_frame_interval,
<------>.get_fmt = gc4663_get_fmt,
<------>.set_fmt = gc4663_set_fmt,
<------>.get_mbus_config = gc4663_g_mbus_config,
};
static const struct v4l2_subdev_ops gc4663_subdev_ops = {
<------>.core = &gc4663_core_ops,
<------>.video = &gc4663_video_ops,
<------>.pad = &gc4663_pad_ops,
};
static int gc4663_set_ctrl(struct v4l2_ctrl *ctrl)
{
<------>struct gc4663 *gc4663 = container_of(ctrl->handler,
<------><------><------><------><------> struct gc4663, ctrl_handler);
<------>struct i2c_client *client = gc4663->client;
<------>s64 max;
<------>int ret = 0;
<------>int val = 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 = gc4663->cur_mode->height + ctrl->val - 4;
<------><------>__v4l2_ctrl_modify_range(gc4663->exposure,
<------><------><------><------><------> gc4663->exposure->minimum,
<------><------><------><------><------> max,
<------><------><------><------><------> gc4663->exposure->step,
<------><------><------><------><------> gc4663->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 = gc4663_write_reg(gc4663->client, GC4663_REG_EXPOSURE_H,
<------><------><------><------> GC4663_REG_VALUE_08BIT,
<------><------><------><------> ctrl->val >> 8);
<------><------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_EXPOSURE_L,
<------><------><------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------><------><------>ctrl->val & 0xfe);
<------><------>break;
<------>case V4L2_CID_ANALOGUE_GAIN:
<------><------>ret = gc4663_set_gain_reg(gc4663, ctrl->val);
<------><------>break;
<------>case V4L2_CID_VBLANK:
<------><------>gc4663->cur_vts = ctrl->val + gc4663->cur_mode->height;
<------><------>ret = gc4663_write_reg(gc4663->client, GC4663_REG_VTS_H,
<------><------><------><------> GC4663_REG_VALUE_08BIT,
<------><------><------><------> gc4663->cur_vts >> 8);
<------><------>ret |= gc4663_write_reg(gc4663->client, GC4663_REG_VTS_L,
<------><------><------><------><------>GC4663_REG_VALUE_08BIT,
<------><------><------><------><------>gc4663->cur_vts & 0xff);
<------><------>break;
<------>case V4L2_CID_TEST_PATTERN:
<------><------>ret = gc4663_enable_test_pattern(gc4663, ctrl->val);
<------><------>break;
<------>case V4L2_CID_HFLIP:
<------><------>ret = gc4663_read_reg(gc4663->client, GC4663_FLIP_MIRROR_REG,
<------><------><------><------> GC4663_REG_VALUE_08BIT, &val);
<------><------>if (ctrl->val)
<------><------><------>val |= GC4663_MIRROR_BIT_MASK;
<------><------>else
<------><------><------>val &= ~GC4663_MIRROR_BIT_MASK;
<------><------>ret |= gc4663_write_reg(gc4663->client, GC4663_FLIP_MIRROR_REG,
<------><------><------><------><------>GC4663_REG_VALUE_08BIT, val);
<------><------>break;
<------>case V4L2_CID_VFLIP:
<------><------>ret = gc4663_read_reg(gc4663->client, GC4663_FLIP_MIRROR_REG,
<------><------><------><------> GC4663_REG_VALUE_08BIT, &val);
<------><------>if (ctrl->val)
<------><------><------>val |= GC4663_FLIP_BIT_MASK;
<------><------>else
<------><------><------>val &= ~GC4663_FLIP_BIT_MASK;
<------><------>ret |= gc4663_write_reg(gc4663->client, GC4663_FLIP_MIRROR_REG,
<------><------><------><------><------>GC4663_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;
<------>}
<------>pm_runtime_put(&client->dev);
<------>return ret;
}
static const struct v4l2_ctrl_ops gc4663_ctrl_ops = {
<------>.s_ctrl = gc4663_set_ctrl,
};
static int gc4663_initialize_controls(struct gc4663 *gc4663)
{
<------>const struct gc4663_mode *mode;
<------>struct v4l2_ctrl_handler *handler;
<------>s64 exposure_max, vblank_def;
<------>u32 h_blank;
<------>int ret;
<------>handler = &gc4663->ctrl_handler;
<------>mode = gc4663->cur_mode;
<------>ret = v4l2_ctrl_handler_init(handler, 9);
<------>if (ret)
<------><------>return ret;
<------>handler->lock = &gc4663->mutex;
<------>gc4663->link_freq = v4l2_ctrl_new_int_menu(handler, NULL, V4L2_CID_LINK_FREQ,
<------><------><------><------><------><------> 1, 0, link_freq_menu_items);
<------>if (mode->hdr_mode == HDR_X2) {
<------><------>gc4663->cur_link_freq = 1;
<------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_HDR;
<------>} else {
<------><------>gc4663->cur_link_freq = 0;
<------><------>gc4663->cur_pixel_rate = GC4663_PIXEL_RATE_LINEAR;
<------>}
<------>__v4l2_ctrl_s_ctrl(gc4663->link_freq,
<------><------><------> gc4663->cur_link_freq);
<------>gc4663->pixel_rate = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_PIXEL_RATE,
<------><------><------> 0, GC4663_PIXEL_RATE_HDR, 1, GC4663_PIXEL_RATE_HDR);
<------>h_blank = mode->hts_def - mode->width;
<------>gc4663->hblank = v4l2_ctrl_new_std(handler, NULL, V4L2_CID_HBLANK,
<------><------><------><------><------> h_blank, h_blank, 1, h_blank);
<------>if (gc4663->hblank)
<------><------>gc4663->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY;
<------>vblank_def = mode->vts_def - mode->height;
<------>gc4663->cur_vts = mode->vts_def;
<------>gc4663->vblank = v4l2_ctrl_new_std(handler, &gc4663_ctrl_ops,
<------><------><------><------><------> V4L2_CID_VBLANK, vblank_def,
<------><------><------><------><------> GC4663_VTS_MAX - mode->height,
<------><------><------><------><------> 1, vblank_def);
<------>exposure_max = mode->vts_def - 4;
<------>gc4663->exposure = v4l2_ctrl_new_std(handler, &gc4663_ctrl_ops,
<------><------><------><------><------> V4L2_CID_EXPOSURE,
<------><------><------><------><------> GC4663_EXPOSURE_MIN,
<------><------><------><------><------> exposure_max,
<------><------><------><------><------> GC4663_EXPOSURE_STEP,
<------><------><------><------><------> mode->exp_def);
<------>gc4663->anal_gain = v4l2_ctrl_new_std(handler, &gc4663_ctrl_ops,
<------><------><------><------><------> V4L2_CID_ANALOGUE_GAIN,
<------><------><------><------><------> GC4663_GAIN_MIN,
<------><------><------><------><------> GC4663_GAIN_MAX,
<------><------><------><------><------> GC4663_GAIN_STEP,
<------><------><------><------><------> GC4663_GAIN_DEFAULT);
<------>gc4663->test_pattern =
<------><------>v4l2_ctrl_new_std_menu_items(handler,
<------><------><------><------><------> &gc4663_ctrl_ops,
<------><------><------><------>V4L2_CID_TEST_PATTERN,
<------><------><------><------>ARRAY_SIZE(gc4663_test_pattern_menu) - 1,
<------><------><------><------>0, 0, gc4663_test_pattern_menu);
<------>gc4663->h_flip = v4l2_ctrl_new_std(handler, &gc4663_ctrl_ops,
<------><------><------><------>V4L2_CID_HFLIP, 0, 1, 1, 0);
<------>gc4663->v_flip = v4l2_ctrl_new_std(handler, &gc4663_ctrl_ops,
<------><------><------><------>V4L2_CID_VFLIP, 0, 1, 1, 0);
<------>if (handler->error) {
<------><------>ret = handler->error;
<------><------>dev_err(&gc4663->client->dev,
<------><------><------>"Failed to init controls(%d)\n", ret);
<------><------>goto err_free_handler;
<------>}
<------>gc4663->subdev.ctrl_handler = handler;
<------>gc4663->has_init_exp = false;
<------>return 0;
err_free_handler:
<------>v4l2_ctrl_handler_free(handler);
<------>return ret;
}
static int gc4663_check_sensor_id(struct gc4663 *gc4663,
<------><------><------><------> struct i2c_client *client)
{
<------>struct device *dev = &gc4663->client->dev;
<------>u16 id = 0;
<------>u32 reg_H = 0;
<------>u32 reg_L = 0;
<------>int ret;
<------>ret = gc4663_read_reg(client, GC4663_REG_CHIP_ID_H,
<------><------><------> GC4663_REG_VALUE_08BIT, &reg_H);
<------>ret |= gc4663_read_reg(client, GC4663_REG_CHIP_ID_L,
<------><------><------> GC4663_REG_VALUE_08BIT, &reg_L);
<------>id = ((reg_H << 8) & 0xff00) | (reg_L & 0xff);
<------>if (!(reg_H == (CHIP_ID >> 8) || reg_L == (CHIP_ID & 0xff))) {
<------><------>dev_err(dev, "Unexpected sensor id(%06x), ret(%d)\n", id, ret);
<------><------>return -ENODEV;
<------>}
<------>dev_info(dev, "detected gc%04x sensor\n", id);
<------>return 0;
}
static int gc4663_configure_regulators(struct gc4663 *gc4663)
{
<------>unsigned int i;
<------>for (i = 0; i < GC4663_NUM_SUPPLIES; i++)
<------><------>gc4663->supplies[i].supply = gc4663_supply_names[i];
<------>return devm_regulator_bulk_get(&gc4663->client->dev,
<------><------><------><------> GC4663_NUM_SUPPLIES,
<------><------><------><------> gc4663->supplies);
}
static int gc4663_probe(struct i2c_client *client,
<------><------><------>const struct i2c_device_id *id)
{
<------>struct device *dev = &client->dev;
<------>struct device_node *node = dev->of_node;
<------>struct gc4663 *gc4663;
<------>struct v4l2_subdev *sd;
<------>char facing[2];
<------>int ret;
<------>u32 i, hdr_mode = 0;
<------>dev_info(dev, "driver version: %02x.%02x.%02x",
<------><------> DRIVER_VERSION >> 16,
<------><------> (DRIVER_VERSION & 0xff00) >> 8,
<------><------> DRIVER_VERSION & 0x00ff);
<------>gc4663 = devm_kzalloc(dev, sizeof(*gc4663), GFP_KERNEL);
<------>if (!gc4663)
<------><------>return -ENOMEM;
<------>of_property_read_u32(node, OF_CAMERA_HDR_MODE, &hdr_mode);
<------>ret = of_property_read_u32(node, RKMODULE_CAMERA_MODULE_INDEX,
<------><------><------><------> &gc4663->module_index);
<------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_FACING,
<------><------><------><------> &gc4663->module_facing);
<------>ret |= of_property_read_string(node, RKMODULE_CAMERA_MODULE_NAME,
<------><------><------><------> &gc4663->module_name);
<------>ret |= of_property_read_string(node, RKMODULE_CAMERA_LENS_NAME,
<------><------><------><------> &gc4663->len_name);
<------>if (ret) {
<------><------>dev_err(dev, "could not get module information!\n");
<------><------>return -EINVAL;
<------>}
<------>gc4663->client = client;
<------>gc4663->cfg_num = ARRAY_SIZE(supported_modes);
<------>for (i = 0; i < gc4663->cfg_num; i++) {
<------><------>if (hdr_mode == supported_modes[i].hdr_mode) {
<------><------><------>gc4663->cur_mode = &supported_modes[i];
<------><------><------>break;
<------><------>}
<------>}
<------>if (i == gc4663->cfg_num)
<------><------>gc4663->cur_mode = &supported_modes[0];
<------>gc4663->xvclk = devm_clk_get(dev, "xvclk");
<------>if (IS_ERR(gc4663->xvclk)) {
<------><------>dev_err(dev, "Failed to get xvclk\n");
<------><------>return -EINVAL;
<------>}
<------>gc4663->pwren_gpio = devm_gpiod_get(dev, "pwren", GPIOD_OUT_LOW);
<------>if (IS_ERR(gc4663->pwren_gpio))
<------><------>dev_warn(dev, "Failed to get pwren-gpios\n");
<------>gc4663->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
<------>if (IS_ERR(gc4663->reset_gpio))
<------><------>dev_warn(dev, "Failed to get reset-gpios\n");
<------>gc4663->pwdn_gpio = devm_gpiod_get(dev, "pwdn", GPIOD_OUT_LOW);
<------>if (IS_ERR(gc4663->pwdn_gpio))
<------><------>dev_warn(dev, "Failed to get pwdn-gpios\n");
<------>gc4663->pinctrl = devm_pinctrl_get(dev);
<------>if (!IS_ERR(gc4663->pinctrl)) {
<------><------>gc4663->pins_default =
<------><------><------>pinctrl_lookup_state(gc4663->pinctrl,
<------><------><------><------><------> OF_CAMERA_PINCTRL_STATE_DEFAULT);
<------><------>if (IS_ERR(gc4663->pins_default))
<------><------><------>dev_err(dev, "could not get default pinstate\n");
<------><------>gc4663->pins_sleep =
<------><------><------>pinctrl_lookup_state(gc4663->pinctrl,
<------><------><------><------><------> OF_CAMERA_PINCTRL_STATE_SLEEP);
<------><------>if (IS_ERR(gc4663->pins_sleep))
<------><------><------>dev_err(dev, "could not get sleep pinstate\n");
<------>} else {
<------><------>dev_err(dev, "no pinctrl\n");
<------>}
<------>ret = gc4663_configure_regulators(gc4663);
<------>if (ret) {
<------><------>dev_err(dev, "Failed to get power regulators\n");
<------><------>return ret;
<------>}
<------>mutex_init(&gc4663->mutex);
<------>sd = &gc4663->subdev;
<------>v4l2_i2c_subdev_init(sd, client, &gc4663_subdev_ops);
<------>ret = gc4663_initialize_controls(gc4663);
<------>if (ret)
<------><------>goto err_destroy_mutex;
<------>ret = __gc4663_power_on(gc4663);
<------>if (ret)
<------><------>goto err_free_handler;
<------>usleep_range(3000, 4000);
<------>ret = gc4663_check_sensor_id(gc4663, client);
<------>if (ret)
<------><------>goto err_power_off;
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
<------>sd->internal_ops = &gc4663_internal_ops;
<------>sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE |
<------><------> V4L2_SUBDEV_FL_HAS_EVENTS;
#endif
#if defined(CONFIG_MEDIA_CONTROLLER)
<------>gc4663->pad.flags = MEDIA_PAD_FL_SOURCE;
<------>sd->entity.function = MEDIA_ENT_F_CAM_SENSOR;
<------>ret = media_entity_pads_init(&sd->entity, 1, &gc4663->pad);
<------>if (ret < 0)
<------><------>goto err_power_off;
#endif
<------>memset(facing, 0, sizeof(facing));
<------>if (strcmp(gc4663->module_facing, "back") == 0)
<------><------>facing[0] = 'b';
<------>else
<------><------>facing[0] = 'f';
<------>snprintf(sd->name, sizeof(sd->name), "m%02d_%s_%s %s",
<------><------> gc4663->module_index, facing,
<------><------> GC4663_NAME, dev_name(sd->dev));
<------>ret = v4l2_async_register_subdev_sensor_common(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:
<------>__gc4663_power_off(gc4663);
err_free_handler:
<------>v4l2_ctrl_handler_free(&gc4663->ctrl_handler);
err_destroy_mutex:
<------>mutex_destroy(&gc4663->mutex);
<------>return ret;
}
static int gc4663_remove(struct i2c_client *client)
{
<------>struct v4l2_subdev *sd = i2c_get_clientdata(client);
<------>struct gc4663 *gc4663 = to_gc4663(sd);
<------>v4l2_async_unregister_subdev(sd);
#if defined(CONFIG_MEDIA_CONTROLLER)
<------>media_entity_cleanup(&sd->entity);
#endif
<------>v4l2_ctrl_handler_free(&gc4663->ctrl_handler);
<------>mutex_destroy(&gc4663->mutex);
<------>pm_runtime_disable(&client->dev);
<------>if (!pm_runtime_status_suspended(&client->dev))
<------><------>__gc4663_power_off(gc4663);
<------>pm_runtime_set_suspended(&client->dev);
<------>return 0;
}
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id gc4663_of_match[] = {
<------>{ .compatible = "galaxycore,gc4663" },
<------>{},
};
MODULE_DEVICE_TABLE(of, gc4663_of_match);
#endif
static const struct i2c_device_id gc4663_match_id[] = {
<------>{ "galaxycore,gc4663", 0 },
<------>{ },
};
static struct i2c_driver gc4663_i2c_driver = {
<------>.driver = {
<------><------>.name = GC4663_NAME,
<------><------>.pm = &gc4663_pm_ops,
<------><------>.of_match_table = of_match_ptr(gc4663_of_match),
<------>},
<------>.probe = &gc4663_probe,
<------>.remove = &gc4663_remove,
<------>.id_table = gc4663_match_id,
};
static int __init sensor_mod_init(void)
{
<------>return i2c_add_driver(&gc4663_i2c_driver);
}
static void __exit sensor_mod_exit(void)
{
<------>i2c_del_driver(&gc4663_i2c_driver);
}
device_initcall_sync(sensor_mod_init);
module_exit(sensor_mod_exit);
MODULE_DESCRIPTION("galaxycore gc4663 sensor driver");
MODULE_LICENSE("GPL v2");