1187 lines
25 KiB
C
Executable File
1187 lines
25 KiB
C
Executable File
/*
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* A V4L2 driver for OV2710 Raw cameras.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <linux/clk.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-mediabus.h>
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#include <linux/io.h>
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#include "camera.h"
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#include "sensor_helper.h"
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MODULE_AUTHOR("xiongbiao");
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MODULE_DESCRIPTION("A low-level driver for OV2710 Raw sensors");
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MODULE_LICENSE("GPL");
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/* for internal driver debug */
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#define DEV_DBG_EN 1
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#if (DEV_DBG_EN == 1)
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#define vfe_dev_dbg(x, arg...) pr_debug("[OV2710 Raw]"x, ##arg)
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#else
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#define vfe_dev_dbg(x, arg...)
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#endif
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#define vfe_dev_err(x, arg...) pr_err("[OV2710 Raw]"x, ##arg)
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#define vfe_dev_print(x, arg...) pr_info("[OV2710 Raw]"x, ##arg)
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/*
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*#define LOG_ERR_RET(x) { \
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* int ret; \
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* ret = x; \
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* if (ret < 0) { \
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* vfe_dev_err("error at %s\n", __func__); \
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* return ret; \
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* } \
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* }
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*/
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/* define module timing */
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#define MCLK (24*1000*1000)
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#define VREF_POL V4L2_MBUS_VSYNC_ACTIVE_LOW
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#define HREF_POL V4L2_MBUS_HSYNC_ACTIVE_HIGH
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#define CLK_POL V4L2_MBUS_PCLK_SAMPLE_RISING
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#define V4L2_IDENT_SENSOR 0x2710
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/*
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* Our nominal (default) frame rate.
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*/
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#ifdef FPGA
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#define SENSOR_FRAME_RATE 15
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#else
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#define SENSOR_FRAME_RATE 30
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#endif
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/*
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* The ov2710 i2c address
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*/
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/* #define I2C_ADDR 0x6c */
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#define OV2710_WRITE_ADDR (0x6c)
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#define OV2710_READ_ADDR (0x6d)
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/* static struct delayed_work sensor_s_ae_ratio_work; */
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static struct v4l2_subdev *glb_sd;
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#define SENSOR_NAME "ov2710"
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/*
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* Information we maintain about a known sensor.
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*/
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struct sensor_format_struct; /* coming later */
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struct cfg_array { /* coming later */
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struct regval_list *regs;
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int size;
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};
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static int LOG_ERR_RET(int x)
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{
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int ret;
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ret = x;
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if (ret < 0)
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vfe_dev_err("error at %s\n", __func__);
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return ret;
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}
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static inline struct sensor_info *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct sensor_info, sd);
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}
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/*
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* The default register settings
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*
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*/
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static struct regval_list sensor_default_regs[] = {
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/* modified blc */
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/* {0x4002,0x40}, */
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{0x4000, 0x05},
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/* {0x401d,0x22}, */
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/*drive capacity*/
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{0x302c, 0x00},
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};
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static struct regval_list sensor_1080p_regs[] = { /* 1080: 1920*1080@30fps */
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#if 1
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{0x3103, 0x93},
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{0x3008, 0x82},
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{0x3017, 0x7f},
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{0x3018, 0xfc},
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{0x3706, 0x61},
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{0x3712, 0x0c},
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{0x3630, 0x6d},
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{0x3801, 0xb4},
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{0x3621, 0x04},
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{0x3604, 0x60},
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{0x3603, 0xa7},
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{0x3631, 0x26},
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{0x3600, 0x04},
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{0x3620, 0x37},
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{0x3623, 0x00},
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{0x3702, 0x9e},
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{0x3703, 0x5c},
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{0x3704, 0x40},
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{0x370d, 0x0f},
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{0x3713, 0x9f},
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{0x3714, 0x4c},
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{0x3710, 0x9e},
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{0x3801, 0xc4},
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{0x3605, 0x05},
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{0x3606, 0x3f},
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{0x302d, 0x90},
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{0x370b, 0x40},
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{0x3716, 0x31},
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{0x3707, 0x52},
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{0x380d, 0x74},
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{0x5181, 0x20},
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{0x518f, 0x00},
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{0x4301, 0xff},
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{0x4303, 0x00},
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{0x3a00, 0x78},
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{0x300f, 0x88},
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{0x3011, 0x28},
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{0x3a1a, 0x06},
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{0x3a18, 0x00},
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/* {0x3a19,0x7a}, */
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{0x3a19, 0xe0},
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/* {0x3a13,0x54}, */
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{0x3a13, 0x50},
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{0x382e, 0x0f},
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/* {0x3818,0xe0}, *//*add last for flip */
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{0x381a, 0x1a},
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{0x401d, 0x02},
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/* {0x380e,0x04}, */
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/* {0x380f,0x62}, */
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/* {0x380c,0x09}, */
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/* {0x380d,0x48}, */
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#endif
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{0x5688, 0x03},
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{0x5684, 0x07},
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{0x5685, 0xa0},
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{0x5686, 0x14},
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{0x5687, 0x43},
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{0x3a0f, 0xf0},
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{0x3a10, 0x38},
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{0x3a1b, 0xf8},
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{0x3a1e, 0x30},
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{0x3a11, 0x90},
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{0x3a1f, 0x10},
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/* {0x3010,0x20}, */ /* 0x10,15fps;0x00,30fps */
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{0x3010, 0x00},
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/*close ae */
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{0x3503, 0x07},
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/* {0x302c,0x02}, */
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{0x3501, 0x2e},
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{0x3502, 0x00},
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/* {0x3501,0x46}, */
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/* {0x3502,0x20}, */
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{0x350b, 0x10},
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/* {0x3a00,0x7c}, */
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/* {0x5001,0x4f}, */
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/* close awb */
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{0x3406, 0x01},
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{0x3400, 0x04},
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{0x3401, 0x00},
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{0x3402, 0x04},
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{0x3403, 0x00},
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{0x3404, 0x04},
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{0x3405, 0x00},
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/* modified blc */
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/* {0x4002,0x40}, */
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{0x4000, 0x05},
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/* {0x401d,0x02}, */
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/*drive capacity*/
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{0x302c, 0x00},
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/* close lenc */
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/* {0x5000,0xdf}, */
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{0x5000, 0xdf},
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{0x3008, 0x02},
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};
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static struct regval_list sensor_720p_regs[] = { /* 720: 1280*720@60fps */
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#if 1
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{0x3103, 0x93},
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{0x3008, 0x82},
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{0x3017, 0x7f},
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{0x3018, 0xfc},
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{0x3706, 0x61},
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{0x3712, 0x0c},
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{0x3630, 0x6d},
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{0x3801, 0xb4},
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{0x3621, 0x04},
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{0x3604, 0x60},
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{0x3603, 0xa7},
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{0x3631, 0x26},
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{0x3600, 0x04},
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{0x3620, 0x37},
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{0x3623, 0x00},
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{0x3702, 0x9e},
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{0x3703, 0x5c},
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{0x3704, 0x40},
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{0x370d, 0x0f},
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{0x3713, 0x9f},
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{0x3714, 0x4c},
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{0x3710, 0x9e},
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{0x3801, 0xc4},
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{0x3605, 0x05},
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{0x3606, 0x3f},
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{0x302d, 0x90},
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{0x370b, 0x40},
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{0x3716, 0x31},
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{0x3707, 0x52},
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{0x380d, 0x74},
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{0x5181, 0x20},
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{0x518f, 0x00},
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{0x4301, 0xff},
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{0x4303, 0x00},
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{0x3a00, 0x78},
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{0x300f, 0x88},
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{0x3011, 0x28},
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{0x3a1a, 0x06},
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{0x3a18, 0x00},
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{0x3a19, 0x7a},
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{0x3a13, 0x54},
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{0x382e, 0x0f},
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/* {0x3818,0xe0}, */ /* add for flip */
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{0x381a, 0x1a},
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{0x401d, 0x02},
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#endif
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{0x381c, 0x10},
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{0x381d, 0xb8},
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{0x381e, 0x02},
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{0x381f, 0xdc},
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{0x3820, 0x0a},
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{0x3821, 0x29},
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{0x3804, 0x05},
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{0x3805, 0x00},
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{0x3806, 0x02},
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{0x3807, 0xd0},
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{0x3808, 0x05},
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{0x3809, 0x00},
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{0x380a, 0x02},
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{0x380b, 0xd0},
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{0x380e, 0x02},
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{0x380f, 0xe8},
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{0x380c, 0x07},
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{0x380d, 0x00},
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/* {0x3010,0x20}, */ /* 0x10,30fps;0x00,60fps */
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{0x3010, 0x00},
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#if 1
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/*close ae */
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{0x3503, 0x07},
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{0x3501, 0x2e},
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{0x3502, 0x00},
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{0x350b, 0x10},
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/* {0x3a00,0x78}, */
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/* close awb */
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{0x3406, 0x01},
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{0x3400, 0x04},
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{0x3401, 0x00},
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{0x3402, 0x04},
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{0x3403, 0x00},
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{0x3404, 0x04},
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{0x3405, 0x00},
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{0x5001, 0x4e},
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#endif
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/* modified blc */
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/* {0x4002,0x40}, */
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{0x4000, 0x05},
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/* {0x401d,0x02}, */
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/*drive capacity*/
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{0x302c, 0x00},
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/* close lenc */
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/* {0x5000,0xdf}, */
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{0x5000, 0xdf},
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{0x3008, 0x02},
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};
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static struct regval_list sensor_vga_regs[] = { /* VGA: 640*480 */
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/* DVP_VGA_120fps */
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#if 1
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{0x3103, 0x93},
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{0x3008, 0x82},
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{0x3017, 0x7f},
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{0x3018, 0xfc},
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{0x3706, 0x61},
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{0x3712, 0x0c},
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{0x3630, 0x6d},
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{0x3801, 0xb4},
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{0x3621, 0x04},
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{0x3604, 0x60},
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{0x3603, 0xa7},
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{0x3631, 0x26},
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{0x3600, 0x04},
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{0x3620, 0x37},
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{0x3623, 0x00},
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{0x3702, 0x9e},
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{0x3703, 0x5c},
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{0x3704, 0x40},
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{0x370d, 0x0f},
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{0x3713, 0x9f},
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{0x3714, 0x4c},
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{0x3710, 0x9e},
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{0x3801, 0xc4},
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{0x3605, 0x05},
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{0x3606, 0x3f},
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{0x302d, 0x90},
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{0x370b, 0x40},
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{0x3716, 0x31},
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{0x3707, 0x52},
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{0x380d, 0x74},
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/* {0x5181,0x20}, */
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/* {0x518f,0x00}, */
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{0x4301, 0xff},
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{0x4303, 0x00},
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/* {0x3a00,0x00}, */
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{0x3a00, 0x78},
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{0x300f, 0x88},
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{0x3011, 0x28},
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{0x3a1a, 0x06},
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{0x3a18, 0x00},
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{0x3a19, 0x7a},
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{0x3a13, 0x54},
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{0x382e, 0x0f},
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/* {0x3818,0xe0}, */ /* add for flip */
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{0x381a, 0x1a},
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{0x401d, 0x02},
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#endif
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{0x3803, 0x06},
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{0x381c, 0x10},
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{0x381d, 0x42},
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{0x381e, 0x03},
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{0x381f, 0xc8},
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{0x3820, 0x0a},
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{0x3821, 0x29},
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{0x3804, 0x02},
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{0x3805, 0x80},
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{0x3806, 0x01},
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{0x3807, 0xe0},
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{0x3808, 0x02},
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{0x3809, 0x80},
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{0x380a, 0x01},
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{0x380b, 0xe0},
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{0x3810, 0x08},
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{0x3811, 0x02},
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{0x3818, 0x81},
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{0x3621, 0xc4},
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{0x380e, 0x01},
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{0x380f, 0xf0},
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{0x380c, 0x05},
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{0x380d, 0x40},
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{0x401c, 0x04},
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/* {0x3010,0x10}, */ /* 0x10 for 60pfs ,0x00 for 120fps */
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{0x3010, 0x00},
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#if 1
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/*close ae */
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{0x3503, 0x07},
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{0x3501, 0x2e},
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{0x3502, 0x00},
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{0x350b, 0x10},
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/* {0x3a00,0x78}, */
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/* {0x5001,0x4e}, */
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/* close awb */
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{0x3406, 0x01},
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{0x3400, 0x04},
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{0x3401, 0x00},
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{0x3402, 0x04},
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{0x3403, 0x00},
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{0x3404, 0x04},
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{0x3405, 0x00},
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#endif
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/* modified blc */
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/* {0x4002,0x40}, */
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{0x4000, 0x05},
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/* {0x401d,0x02}, */
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/*drive capacity*/
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{0x302c, 0x00},
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/* close lenc */
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/* {0x5000,0xdf}, */
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{0x5000, 0xdf},
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{0x3008, 0x02},
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};
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/*
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* Here we'll try to encapsulate the changes for just the output
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* video format.
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*
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*/
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static struct regval_list sensor_fmt_raw[] = {
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};
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static int sensor_g_exp(struct v4l2_subdev *sd, __s32 *value)
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{
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struct sensor_info *info = to_state(sd);
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*value = info->exp;
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vfe_dev_dbg("sensor_get_exposure = %d\n", info->exp);
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return 0;
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}
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static int sensor_s_exp(struct v4l2_subdev *sd, unsigned int exp_val)
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{
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unsigned char explow, expmid, exphigh;
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struct sensor_info *info = to_state(sd);
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if (exp_val > 0x1fffff)
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exp_val = 0x1fffff;
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exphigh = (unsigned char) ((0x0f0000&exp_val)>>16);
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expmid = (unsigned char) ((0x00ff00&exp_val)>>8);
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explow = (unsigned char) (0x0000ff&exp_val);
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sensor_write(sd, 0x3502, explow);
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sensor_write(sd, 0x3501, expmid);
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sensor_write(sd, 0x3500, exphigh);
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info->exp = exp_val;
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return 0;
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}
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static int sensor_g_gain(struct v4l2_subdev *sd, __s32 *value)
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{
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struct sensor_info *info = to_state(sd);
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*value = info->gain;
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vfe_dev_dbg("sensor_get_gain = %d\n", info->gain);
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return 0;
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}
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static int sensor_s_gain(struct v4l2_subdev *sd, int gain_val)
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{
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struct sensor_info *info = to_state(sd);
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unsigned char gainlow = 0;
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unsigned char gainhigh = 0;
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unsigned char gainlow_l4b = 0;
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unsigned int tmp_gain_val = 0;
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tmp_gain_val = gain_val;
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/* determine ?gain_val>31 */
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if (tmp_gain_val > 31) {
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gainlow |= 0x10;
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tmp_gain_val = tmp_gain_val>>1;
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}
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/* determine ?gain_val>2*31 */
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if (tmp_gain_val > 31) {
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gainlow |= 0x20;
|
|
tmp_gain_val = tmp_gain_val>>1;
|
|
}
|
|
/* determine ?gain_val>4*31 */
|
|
if (tmp_gain_val > 31) {
|
|
gainlow |= 0x40;
|
|
tmp_gain_val = tmp_gain_val>>1;
|
|
}
|
|
/* determine ?gain_val>8*31 */
|
|
if (tmp_gain_val > 31) {
|
|
gainlow |= 0x80;
|
|
tmp_gain_val = tmp_gain_val>>1;
|
|
}
|
|
/* determine ?gain_val>16*31 */
|
|
if (tmp_gain_val > 31) {
|
|
gainhigh = 0x01;
|
|
|
|
tmp_gain_val = tmp_gain_val>>1;
|
|
}
|
|
|
|
if (tmp_gain_val >= 16)
|
|
gainlow_l4b = ((tmp_gain_val-16)&0x0f);
|
|
|
|
gainlow = gainlow | gainlow_l4b;
|
|
|
|
sensor_write(sd, 0x3212, 0x00);
|
|
sensor_write(sd, 0x350b, gainlow);
|
|
sensor_write(sd, 0x350a, gainhigh);
|
|
sensor_write(sd, 0x3212, 0x10);
|
|
sensor_write(sd, 0x3212, 0xa0);
|
|
|
|
info->gain = gain_val;
|
|
|
|
return 0;
|
|
|
|
}
|
|
static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain *exp_gain)
|
|
{
|
|
int exp_val, gain_val;
|
|
unsigned char explow = 0, expmid = 0, exphigh = 0, vts_diff_low, vts_diff_high;
|
|
unsigned char gainlow = 0, gainhigh = 0;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
exp_val = exp_gain->exp_val;
|
|
gain_val = exp_gain->gain_val;
|
|
|
|
if (gain_val < 1*16)
|
|
gain_val = 16;
|
|
if (gain_val > 64*16-1)
|
|
gain_val = 64*16-1;
|
|
|
|
if (exp_val > 0xfffff)
|
|
exp_val = 0xfffff;
|
|
|
|
gainlow = (unsigned char)(gain_val&0xff);
|
|
gainhigh = (unsigned char)((gain_val>>8)&0x3);
|
|
|
|
exphigh = (unsigned char) ((0x0f0000&exp_val)>>16);
|
|
expmid = (unsigned char) ((0x00ff00&exp_val)>>8);
|
|
explow = (unsigned char) ((0x0000ff&exp_val));
|
|
|
|
if (exp_val <= (1102*16)) {
|
|
sensor_write(sd, 0x3503, 0x03);
|
|
sensor_write(sd, 0x3502, explow);
|
|
sensor_write(sd, 0x3501, expmid);
|
|
sensor_write(sd, 0x3500, exphigh);
|
|
sensor_s_gain(sd, gain_val);
|
|
} else {
|
|
vts_diff_high = (unsigned char) ((0x00ff00&((exp_val)/16-1968))>>8);
|
|
vts_diff_low = (unsigned char) ((0x0000ff&((exp_val)/16-1968)));/* -1968 */
|
|
exphigh = (unsigned char) ((0x0f0000&(exp_val-1968))>>16);
|
|
expmid = (unsigned char) ((0x00ff00&(exp_val-1968))>>8);
|
|
explow = (unsigned char) ((0x0000ff&(exp_val-1968)));
|
|
|
|
sensor_write(sd, 0x3212, 0x00);/* enter group write */
|
|
sensor_write(sd, 0x3502, explow);
|
|
sensor_write(sd, 0x3501, expmid);
|
|
sensor_write(sd, 0x3500, exphigh);
|
|
sensor_s_gain(sd, gain_val);
|
|
sensor_write(sd, 0x3212, 0x10);/* end group write */
|
|
sensor_write(sd, 0x3212, 0xa0);/* init group write */
|
|
}
|
|
|
|
info->exp = exp_val;
|
|
info->gain = gain_val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Stuff that knows about the sensor.
|
|
*/
|
|
|
|
static int sensor_power(struct v4l2_subdev *sd, int on)
|
|
{
|
|
int ret;
|
|
|
|
switch (on) {
|
|
case CSI_SUBDEV_STBY_ON:
|
|
vfe_dev_dbg("CSI_SUBDEV_STBY_ON!\n");
|
|
cci_lock(sd);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_HIGH);
|
|
vfe_set_mclk(sd, OFF);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_STBY_OFF:
|
|
vfe_dev_dbg("CSI_SUBDEV_STBY_OFF!\n");
|
|
cci_lock(sd);
|
|
vfe_set_mclk_freq(sd, MCLK);
|
|
vfe_set_mclk(sd, ON);
|
|
usleep_range(10000, 12000);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_LOW);
|
|
usleep_range(10000, 12000);
|
|
cci_unlock(sd);
|
|
ret = sensor_s_sw_stby(sd, CSI_GPIO_LOW);
|
|
if (ret < 0)
|
|
vfe_dev_err("soft stby off falied!\n");
|
|
usleep_range(10000, 12000);
|
|
break;
|
|
case CSI_SUBDEV_PWR_ON:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_ON!\n");
|
|
cci_lock(sd);
|
|
vfe_gpio_set_status(sd, PWDN, 1);
|
|
vfe_gpio_set_status(sd, RESET, 1);
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_HIGH);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_HIGH);
|
|
usleep_range(1000, 1200);
|
|
vfe_set_pmu_channel(sd, IOVDD, ON);
|
|
usleep_range(1000, 1200);
|
|
vfe_set_pmu_channel(sd, DVDD, ON);
|
|
vfe_set_pmu_channel(sd, AFVDD, ON);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_LOW);
|
|
usleep_range(10000, 12000);
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_LOW);
|
|
usleep_range(20000, 22000);
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_HIGH);
|
|
vfe_set_mclk_freq(sd, MCLK);
|
|
vfe_set_mclk(sd, ON);
|
|
usleep_range(10000, 12000);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_PWR_OFF:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_OFF!\n");
|
|
cci_lock(sd);
|
|
vfe_gpio_set_status(sd, PWDN, 1);
|
|
vfe_gpio_set_status(sd, RESET, 1);
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_HIGH);
|
|
vfe_set_mclk(sd, OFF);
|
|
vfe_set_pmu_channel(sd, DVDD, OFF);
|
|
vfe_set_pmu_channel(sd, AVDD, OFF);
|
|
vfe_set_pmu_channel(sd, IOVDD, OFF);
|
|
vfe_gpio_set_status(sd, RESET, 0);
|
|
vfe_gpio_set_status(sd, PWDN, 0);
|
|
cci_unlock(sd);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_reset(struct v4l2_subdev *sd, u32 val)
|
|
{
|
|
switch (val) {
|
|
case 0:
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_HIGH);
|
|
usleep_range(10000, 12000);
|
|
break;
|
|
case 1:
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_LOW);
|
|
usleep_range(10000, 12000);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_detect(struct v4l2_subdev *sd)
|
|
{
|
|
data_type rdval;
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0x300A, &rdval));
|
|
|
|
if (rdval != (V4L2_IDENT_SENSOR>>8)) {
|
|
pr_debug("*********sensor error,read id is %d.\n", rdval);
|
|
return -ENODEV;
|
|
}
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0x300B, &rdval));
|
|
if (rdval != (V4L2_IDENT_SENSOR&0x00ff)) {
|
|
pr_debug("*********sensor error,read id is %d.\n", rdval);
|
|
return -ENODEV;
|
|
} else
|
|
pr_debug("*********find ov2710 raw data camera sensor now.\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_init(struct v4l2_subdev *sd, u32 val)
|
|
{
|
|
int ret;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_init\n");
|
|
|
|
/*Make sure it is a target sensor*/
|
|
ret = sensor_detect(sd);
|
|
if (ret) {
|
|
vfe_dev_err("chip found is not an target chip.\n");
|
|
return ret;
|
|
}
|
|
|
|
vfe_get_standby_mode(sd, &info->stby_mode);
|
|
|
|
if ((info->stby_mode == HW_STBY || info->stby_mode == SW_STBY)
|
|
&& info->init_first_flag == 0) {
|
|
vfe_dev_print("stby_mode and init_first_flag = 0\n");
|
|
return 0;
|
|
}
|
|
|
|
info->focus_status = 0;
|
|
info->low_speed = 0;
|
|
info->width = HD1080_WIDTH;
|
|
info->height = HD1080_HEIGHT;
|
|
info->hflip = 0;
|
|
info->vflip = 0;
|
|
info->gain = 0;
|
|
|
|
info->tpf.numerator = 1;
|
|
info->tpf.denominator = 30; /* 30fps */
|
|
|
|
ret = sensor_write_array(sd, sensor_default_regs, ARRAY_SIZE(sensor_default_regs));
|
|
if (ret < 0) {
|
|
vfe_dev_err("write sensor_default_regs error\n");
|
|
return ret;
|
|
}
|
|
|
|
if (info->stby_mode == 0)
|
|
info->init_first_flag = 0;
|
|
|
|
info->preview_first_flag = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long sensor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
|
{
|
|
int ret = 0;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
switch (cmd) {
|
|
case GET_CURRENT_WIN_CFG:
|
|
if (info->current_wins != NULL) {
|
|
memcpy(arg, info->current_wins, sizeof(struct sensor_win_size));
|
|
ret = 0;
|
|
} else {
|
|
vfe_dev_err("empty wins!\n");
|
|
ret = -1;
|
|
}
|
|
break;
|
|
case SET_FPS:
|
|
break;
|
|
case ISP_SET_EXP_GAIN:
|
|
sensor_s_exp_gain(sd, (struct sensor_exp_gain *)arg);
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
|
|
/*
|
|
* Store information about the video data format.
|
|
*/
|
|
static struct sensor_format_struct {
|
|
__u8 *desc;
|
|
/* __u32 pixelformat; */
|
|
u32 mbus_code;
|
|
struct regval_list *regs;
|
|
int regs_size;
|
|
int bpp; /* Bytes per pixel */
|
|
} sensor_formats[] = {
|
|
{
|
|
.desc = "Raw RGB Bayer",
|
|
.mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
|
|
.regs = sensor_fmt_raw,
|
|
.regs_size = ARRAY_SIZE(sensor_fmt_raw),
|
|
.bpp = 1
|
|
},
|
|
};
|
|
#define N_FMTS ARRAY_SIZE(sensor_formats)
|
|
|
|
|
|
|
|
/*
|
|
* Then there is the issue of window sizes. Try to capture the info here.
|
|
*/
|
|
static struct sensor_win_size sensor_win_sizes[] = {
|
|
/* 1080P */
|
|
{
|
|
.width = HD1080_WIDTH,
|
|
.height = HD1080_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 2420,/* 2376,//2415,// 2382,//724, */
|
|
.vts = 1102,/* 1122,//1104,//1120,//1104, */
|
|
.pclk = 80*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = 1102<<4,/* 1122<<4, */
|
|
.gain_min = 1<<4,
|
|
.gain_max = 9<<4,
|
|
.regs = sensor_1080p_regs,/* */
|
|
.regs_size = ARRAY_SIZE(sensor_1080p_regs),/* */
|
|
.set_size = NULL,
|
|
},
|
|
/* 720p */
|
|
|
|
{
|
|
.width = HD720_WIDTH,
|
|
.height = HD720_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 1792,/* 1288, */
|
|
.vts = 744,
|
|
.pclk = 80*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = 744<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.regs = sensor_720p_regs,/* */
|
|
.regs_size = ARRAY_SIZE(sensor_720p_regs),/* */
|
|
.set_size = NULL,
|
|
},
|
|
/* VGA */
|
|
{
|
|
.width = VGA_WIDTH,
|
|
.height = VGA_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 1344,/* limited by sensor */
|
|
.vts = 496,
|
|
.pclk = 80*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = 496<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.regs = sensor_vga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_vga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
};
|
|
|
|
#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))
|
|
|
|
static int sensor_enum_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
if (code->index >= N_FMTS)
|
|
return -EINVAL;
|
|
|
|
code->code = sensor_formats[code->index].mbus_code;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_enum_frame_size(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
if (fse->index > N_WIN_SIZES-1)
|
|
return -EINVAL;
|
|
|
|
fse->min_width = sensor_win_sizes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->max_height = sensor_win_sizes[fse->index].height;
|
|
fse->max_height = fse->min_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int sensor_try_fmt_internal(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_framefmt *fmt,
|
|
struct sensor_format_struct **ret_fmt,
|
|
struct sensor_win_size **ret_wsize)
|
|
{
|
|
int index;
|
|
struct sensor_win_size *wsize;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
for (index = 0; index < N_FMTS; index++)
|
|
if (sensor_formats[index].mbus_code == fmt->code)
|
|
break;
|
|
|
|
if (index >= N_FMTS)
|
|
return -EINVAL;
|
|
|
|
if (ret_fmt != NULL)
|
|
*ret_fmt = sensor_formats + index;
|
|
|
|
/*
|
|
* Fields: the sensor devices claim to be progressive.
|
|
*/
|
|
fmt->field = V4L2_FIELD_NONE;
|
|
|
|
/*
|
|
* Round requested image size down to the nearest
|
|
* we support, but not below the smallest.
|
|
*/
|
|
for (wsize = sensor_win_sizes; wsize < sensor_win_sizes + N_WIN_SIZES; wsize++)
|
|
if (fmt->width >= wsize->width && fmt->height >= wsize->height)
|
|
break;
|
|
|
|
if (wsize >= sensor_win_sizes + N_WIN_SIZES)
|
|
wsize--; /* Take the smallest one */
|
|
if (ret_wsize != NULL)
|
|
*ret_wsize = wsize;
|
|
/*
|
|
* Note the size we'll actually handle.
|
|
*/
|
|
fmt->width = wsize->width;
|
|
fmt->height = wsize->height;
|
|
info->current_wins = wsize;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_get_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmat)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &fmat->format;
|
|
|
|
return sensor_try_fmt_internal(sd, fmt, NULL, NULL);
|
|
}
|
|
|
|
static int sensor_g_mbus_config(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_config *cfg)
|
|
{
|
|
cfg->type = V4L2_MBUS_PARALLEL;
|
|
cfg->flags = V4L2_MBUS_MASTER | VREF_POL | HREF_POL | CLK_POL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set a format.
|
|
*/
|
|
static int sensor_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmat)
|
|
{
|
|
int ret;
|
|
struct v4l2_mbus_framefmt *fmt = &fmat->format;
|
|
struct sensor_format_struct *sensor_fmt;
|
|
struct sensor_win_size *wsize;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_set_fmt\n");
|
|
|
|
ret = sensor_try_fmt_internal(sd, fmt, &sensor_fmt, &wsize);
|
|
if (ret)
|
|
return ret;
|
|
|
|
LOG_ERR_RET(sensor_write_array(sd, sensor_fmt->regs, sensor_fmt->regs_size));
|
|
|
|
if (wsize->regs)
|
|
LOG_ERR_RET(sensor_write_array(sd, wsize->regs, wsize->regs_size));
|
|
|
|
if (wsize->set_size)
|
|
LOG_ERR_RET(wsize->set_size(sd));
|
|
|
|
info->fmt = sensor_fmt;
|
|
info->width = wsize->width;
|
|
info->height = wsize->height;
|
|
|
|
vfe_dev_print("s_fmt set width = %d, height = %d\n", wsize->width, wsize->height);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Implement G/S_PARM. There is a "high quality" mode we could try
|
|
* to do someday; for now, we just do the frame rate tweak.
|
|
*/
|
|
static int sensor_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
|
|
{
|
|
struct v4l2_captureparm *cp = &parms->parm.capture;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
memset(cp, 0, sizeof(struct v4l2_captureparm));
|
|
cp->capability = V4L2_CAP_TIMEPERFRAME;
|
|
cp->capturemode = info->capture_mode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *parms)
|
|
{
|
|
struct v4l2_captureparm *cp = &parms->parm.capture;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_s_parm\n");
|
|
|
|
if (parms->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
return -EINVAL;
|
|
|
|
if (info->tpf.numerator == 0)
|
|
return -EINVAL;
|
|
|
|
info->capture_mode = cp->capturemode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_g_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sensor_info *info =
|
|
container_of(ctrl->handler, struct sensor_info, handler);
|
|
struct v4l2_subdev *sd = &info->sd;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_g_gain(sd, &ctrl->val);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_g_exp(sd, &ctrl->val);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int sensor_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sensor_info *info =
|
|
container_of(ctrl->handler, struct sensor_info, handler);
|
|
struct v4l2_subdev *sd = &info->sd;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_s_gain(sd, ctrl->val);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_s_exp(sd, ctrl->val);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* ---------------------------------------------------------------- */
|
|
|
|
static const struct v4l2_ctrl_ops sensor_ctrl_ops = {
|
|
.g_volatile_ctrl = sensor_g_ctrl,
|
|
.s_ctrl = sensor_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops sensor_core_ops = {
|
|
.reset = sensor_reset,
|
|
.init = sensor_init,
|
|
.s_power = sensor_power,
|
|
.ioctl = sensor_ioctl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops sensor_video_ops = {
|
|
.s_parm = sensor_s_parm,
|
|
.g_parm = sensor_g_parm,
|
|
.g_mbus_config = sensor_g_mbus_config,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops sensor_pad_ops = {
|
|
.enum_mbus_code = sensor_enum_code,
|
|
.enum_frame_size = sensor_enum_frame_size,
|
|
.get_fmt = sensor_get_fmt,
|
|
.set_fmt = sensor_set_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops sensor_ops = {
|
|
.core = &sensor_core_ops,
|
|
.video = &sensor_video_ops,
|
|
.pad = &sensor_pad_ops,
|
|
};
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
static struct cci_driver cci_drv = {
|
|
.name = SENSOR_NAME,
|
|
.addr_width = CCI_BITS_16,
|
|
.data_width = CCI_BITS_8,
|
|
};
|
|
|
|
static const struct v4l2_ctrl_config sensor_custom_ctrls[] = {
|
|
{
|
|
.ops = &sensor_ctrl_ops,
|
|
.id = V4L2_CID_FRAME_RATE,
|
|
.name = "frame rate",
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.min = 15,
|
|
.max = 120,
|
|
.step = 1,
|
|
.def = 120,
|
|
},
|
|
};
|
|
|
|
static int sensor_init_controls(struct v4l2_subdev *sd, const struct v4l2_ctrl_ops *ops)
|
|
{
|
|
struct sensor_info *info = to_state(sd);
|
|
struct v4l2_ctrl_handler *handler = &info->handler;
|
|
struct v4l2_ctrl *ctrl;
|
|
int ret = 0;
|
|
int i;
|
|
|
|
v4l2_ctrl_handler_init(handler, 2 + ARRAY_SIZE(sensor_custom_ctrls));
|
|
|
|
ctrl = v4l2_ctrl_new_std(handler, ops, V4L2_CID_GAIN, 1*16, 64*16-1, 1, 1*16);
|
|
if (ctrl != NULL)
|
|
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
|
|
ctrl = v4l2_ctrl_new_std(handler, ops, V4L2_CID_EXPOSURE, 0, 65536*16, 1, 0);
|
|
if (ctrl != NULL)
|
|
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
|
|
for (i = 0; i < ARRAY_SIZE(sensor_custom_ctrls); i++)
|
|
v4l2_ctrl_new_custom(handler, &sensor_custom_ctrls[i], NULL);
|
|
|
|
if (handler->error) {
|
|
ret = handler->error;
|
|
v4l2_ctrl_handler_free(handler);
|
|
}
|
|
|
|
sd->ctrl_handler = handler;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int sensor_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct v4l2_subdev *sd;
|
|
struct sensor_info *info;
|
|
|
|
info = kzalloc(sizeof(struct sensor_info), GFP_KERNEL);
|
|
if (info == NULL)
|
|
return -ENOMEM;
|
|
sd = &info->sd;
|
|
glb_sd = sd;
|
|
sensor_init_controls(sd, &sensor_ctrl_ops);
|
|
cci_dev_probe_helper(sd, client, &sensor_ops, &cci_drv);
|
|
|
|
info->fmt = &sensor_formats[0];
|
|
info->af_first_flag = 1;
|
|
info->init_first_flag = 1;
|
|
|
|
return 0;
|
|
}
|
|
static int sensor_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd;
|
|
|
|
sd = cci_dev_remove_helper(client, &cci_drv);
|
|
kfree(to_state(sd));
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id sensor_id[] = {
|
|
{SENSOR_NAME, 0},
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, sensor_id);
|
|
|
|
|
|
static struct i2c_driver sensor_driver = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = SENSOR_NAME,
|
|
},
|
|
.probe = sensor_probe,
|
|
.remove = sensor_remove,
|
|
.id_table = sensor_id,
|
|
};
|
|
static __init int init_sensor(void)
|
|
{
|
|
return cci_dev_init_helper(&sensor_driver);
|
|
}
|
|
|
|
static __exit void exit_sensor(void)
|
|
{
|
|
cci_dev_exit_helper(&sensor_driver);
|
|
}
|
|
|
|
module_init(init_sensor);
|
|
module_exit(exit_sensor);
|