1225 lines
29 KiB
C
Executable file
1225 lines
29 KiB
C
Executable file
/*
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* A V4L2 driver for OV5648 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-chip-ident.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("lwj");
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MODULE_DESCRIPTION("A low-level driver for OV5648 sensors");
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MODULE_LICENSE("GPL");
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//for internel driver debug
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#define DEV_DBG_EN 0
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#if(DEV_DBG_EN == 1)
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#define vfe_dev_dbg(x,arg...) printk("[OV5648]"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...) printk("[OV5648]"x,##arg)
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#define vfe_dev_print(x,arg...) printk("[OV5648]"x,##arg)
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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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//define module timing
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#define MCLK (24*1000*1000)
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#define VREF_POL V4L2_MBUS_VSYNC_ACTIVE_HIGH
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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 0x5648
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/*
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* Our nominal (default) frame rate.
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*/
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#define SENSOR_FRAME_RATE 30
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/*
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* The ov5648 sits on i2c with ID 0x6c
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*/
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#define I2C_ADDR 0x6c
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#define SENSOR_NAME "ov5648"
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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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/*
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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 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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//2lane initial
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// Slave_ID=0x6c//
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{0x0100, 0x00}, // Software Standy
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{0x0103, 0x01}, // Software Reset
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// delay(5ms)
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{REG_DLY,0x05}, //must delay
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{0x3001, 0x00}, // D[7:0] set to input
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{0x3002, 0x00}, // D[11:8] set to input
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{0x3011, 0x02}, // Drive strength 2x
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{0x3013, 0x08}, //extend dvdd
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{0x3018, 0x4c}, // MIPI 2 lane
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{0x3022, 0x00},
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{0x3034, 0x1a}, // 10-bit mode
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{0x3035, 0x21}, // PLL
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{0x3036, 0x69}, // PLL
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{0x3037, 0x03}, // PLL
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{0x3038, 0x00}, // PLL
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{0x3039, 0x00}, // PLL
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{0x303a, 0x00}, // PLLS
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{0x303b, 0x19}, // PLLS
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{0x303c, 0x11}, // PLLS
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{0x303d, 0x30}, // PLLS
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{0x3105, 0x11},
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{0x3106, 0x05}, // PLL
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{REG_DLY,0x05},
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{0x3013, 0x08}, //disable internal regulator
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{0x3304, 0x28},
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{0x3305, 0x41},
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{0x3306, 0x30},
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{0x3308, 0x00},
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{0x3309, 0xc8},
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{0x330a, 0x01},
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{0x330b, 0x90},
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{0x330c, 0x02},
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{0x330d, 0x58},
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{0x330e, 0x03},
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{0x330f, 0x20},
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{0x3300, 0x00},
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{0x3500, 0x00}, // exposure [19:16]
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{0x3501, 0x3d}, // exposure [15:8]
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{0x3502, 0x00}, // exposure [7:0], exposure = 0x3d0 = 976
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{0x3503, 0x07}, // gain has no delay, manual agc/aec
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{0x350a, 0x00}, // gain[9:8]
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{0x350b, 0x40}, // gain[7:0], gain = 4x
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{0x3601, 0x33}, // analog control
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{0x3602, 0x00}, // analog control
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{0x3611, 0x0e}, // analog control
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{0x3612, 0x2b}, // analog control
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{0x3614, 0x50}, // analog control
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{0x3620, 0x33}, // analog control
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{0x3622, 0x00}, // analog control
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{0x3630, 0xad}, // analog control
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{0x3631, 0x00}, // analog control
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{0x3632, 0x94}, // analog control
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{0x3633, 0x17}, // analog control
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{0x3634, 0x14}, // analog control
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{0x3704, 0xc0}, // analog control
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{0x3705, 0x2a}, // analog control
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{0x3708, 0x66}, // analog control
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{0x3709, 0x52}, // analog control
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{0x370b, 0x23}, // analog control
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{0x370c, 0xc3}, // analog control
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{0x370d, 0x00}, // analog control
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{0x370e, 0x00}, // analog control
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{0x371c, 0x07}, // analog control
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{0x3739, 0xd2}, // analog control
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{0x373c, 0x00},
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{0x3800, 0x00}, // xstart = 0
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{0x3801, 0x00}, // xstart
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{0x3802, 0x00}, // ystart = 0
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{0x3803, 0x00}, // ystart
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{0x3804, 0x0a}, // xend = 2623
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{0x3805, 0x3f}, // yend
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{0x3806, 0x07}, // yend = 1955
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{0x3807, 0xa3}, // yend
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{0x3808, 0x05}, // x output size = 1296
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{0x3809, 0x10}, // x output size
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{0x380a, 0x03}, // y output size = 972
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{0x380b, 0xcc}, // y output size
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{0x380c, 0x0b}, // hts = 2816
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{0x380d, 0x00}, // hts
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{0x380e, 0x03}, // vts = 992
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{0x380f, 0xe0}, // vts
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{0x3810, 0x00}, // isp x win = 8
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{0x3811, 0x08}, // isp x win
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{0x3812, 0x00}, // isp y win = 4
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{0x3813, 0x04}, // isp y win
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{0x3814, 0x31}, // x inc
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{0x3815, 0x31}, // y inc
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{0x3817, 0x00}, // hsync start
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{0x3820, 0x08}, // flip off, v bin off
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{0x3821, 0x07}, // mirror on, h bin on
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{0x3826, 0x03},
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{0x3829, 0x00},
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{0x382b, 0x0b},
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{0x3830, 0x00},
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{0x3836, 0x00},
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{0x3837, 0x00},
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{0x3838, 0x00},
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{0x3839, 0x04},
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{0x383a, 0x00},
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{0x383b, 0x01},
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{0x3b00, 0x00}, // strobe off
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{0x3b02, 0x08}, // shutter delay
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{0x3b03, 0x00}, // shutter delay
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{0x3b04, 0x04}, // frex_exp
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{0x3b05, 0x00}, // frex_exp
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{0x3b06, 0x04},
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{0x3b07, 0x08}, // frex inv
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{0x3b08, 0x00}, // frex exp req
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{0x3b09, 0x02}, // frex end option
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{0x3b0a, 0x04}, // frex rst length
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{0x3b0b, 0x00}, // frex strobe width
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{0x3b0c, 0x3d}, // frex strobe width
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{0x3f01, 0x0d},
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{0x3f0f, 0xf5},
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{0x4000, 0x89}, // blc enable
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{0x4001, 0x02}, // blc start line
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{0x4002, 0x45}, // blc auto, reset frame number = 5
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{0x4004, 0x02}, // black line number
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{0x4005, 0x18}, // blc normal freeze
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{0x4006, 0x08},
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{0x4007, 0x10},
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{0x4008, 0x00},
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{0x4300, 0xf8},
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{0x4303, 0xff},
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{0x4304, 0x00},
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{0x4307, 0xff},
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{0x4520, 0x00},
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{0x4521, 0x00},
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{0x4511, 0x22},
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{0x4800, 0x14}, // MIPI line sync enable
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{0x481f, 0x3c}, // MIPI clk prepare min
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{0x4826, 0x00}, // MIPI hs prepare min
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{0x4837, 0x18}, // MIPI global timing
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{0x4b00, 0x06},
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{0x4b01, 0x0a},
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{0x5000, 0xff}, // bpc on, wpc on
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{0x5001, 0x00}, // awb disable
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{0x5002, 0x41}, // win enable, awb gain enable
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{0x5003, 0x0a}, // buf en, bin auto en
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{0x5004, 0x00}, // size man off
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{0x5043, 0x00},
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{0x5013, 0x00},
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{0x501f, 0x03}, // ISP output data
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{0x503d, 0x00}, // test pattern off
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{0x5180, 0x08}, // manual wb gain on
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{0x5a00, 0x08},
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{0x5b00, 0x01},
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{0x5b01, 0x40},
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{0x5b02, 0x00},
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{0x5b03, 0xf0},
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{0x301a, 0xf0},
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{0x0100, 0x01}, // wake up from software sleep
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{0x4837, 0x17}, // MIPI global timing
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};;
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//for capture
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static struct regval_list sensor_qsxga_regs[] = {
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// 2592x1944 15fps 2 lane MIPI 420Mbps/lane
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{0x0100, 0x00},
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{0x3501, 0x7b}, // exposure
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{0x2502, 0x00}, // exposure
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{0x3708, 0x63},
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{0x3709, 0x12},
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{0x370c, 0xc0},
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{0x3800, 0x00}, // xstart = 0
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{0x3801, 0x00}, // xstart
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{0x3802, 0x00}, // ystart = 0
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{0x3803, 0x00}, // ystart
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{0x3804, 0x0a}, // xend = 2623
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{0x3805, 0x3f}, // xend
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{0x3806, 0x07}, // yend = 1955
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{0x3807, 0xa3}, // yend
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{0x3808, 0x0a}, // x output size = 2592
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{0x3809, 0x20}, // x output size
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{0x380a, 0x07}, // y output size = 1944
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{0x380b, 0x98}, // y output size
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{0x380c, 0x0b}, // hts = 2816
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{0x380d, 0x00}, // hts
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{0x380e, 0x07}, // vts = 1984
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{0x380f, 0xc0}, // vts
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{0x3810, 0x00}, // isp x win = 16
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{0x3811, 0x10}, // isp x win
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{0x3812, 0x00}, // isp y win = 6
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{0x3813, 0x06}, // isp y win
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{0x3814, 0x11}, // x inc
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{0x3815, 0x11}, // y inc
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{0x3817, 0x00}, // hsync start
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{0x3820, 0x40}, // flip off, v bin off
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{0x3821, 0x06}, // mirror on, v bin off
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{0x4004, 0x04}, // black line number
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{0x4005, 0x1a}, // blc always update
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{0x350b, 0x40}, // gain = 4x
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{0x4837, 0x17}, // MIPI global timing
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{0x0100, 0x01},
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};
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//for video
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static struct regval_list sensor_1080p_regs[] = {
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// 2592x1944 15fps 2 lane MIPI 420Mbps/lane
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{0x0100, 0x00},
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{0x3501, 0x7b}, // exposure
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{0x2502, 0x00}, // exposure
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{0x3708, 0x63},
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{0x3709, 0x12},
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{0x370c, 0xc0},
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{0x3800, 0x00}, // xstart = 0
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{0x3801, 0x00}, // xstart
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{0x3802, 0x00}, // ystart = 0
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{0x3803, 0x00}, // ystart
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{0x3804, 0x0a}, // xend = 2623
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{0x3805, 0x3f}, // xend
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{0x3806, 0x07}, // yend = 1955
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{0x3807, 0xa3}, // yend
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{0x3808, 0x0a}, // x output size = 2592
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{0x3809, 0x20}, // x output size
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{0x380a, 0x07}, // y output size = 1944
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{0x380b, 0x98}, // y output size
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{0x380c, 0x0b}, // hts = 2816
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{0x380d, 0x00}, // hts
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{0x380e, 0x07}, // vts = 1984
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{0x380f, 0xc0}, // vts
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{0x3810, 0x00}, // isp x win = 16
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{0x3811, 0x10}, // isp x win
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{0x3812, 0x00}, // isp y win = 6
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{0x3813, 0x06}, // isp y win
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{0x3814, 0x11}, // x inc
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{0x3815, 0x11}, // y inc
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{0x3817, 0x00}, // hsync start
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{0x3820, 0x40}, // flip off, v bin off
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{0x3821, 0x06}, // mirror on, v bin off
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{0x4004, 0x04}, // black line number
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{0x4005, 0x1a}, // blc always update
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{0x350b, 0x40}, // gain = 4x
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{0x4837, 0x17}, // MIPI global timing
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{0x0100, 0x01},
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};
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static struct regval_list sensor_sxga_regs[] = {
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// 1296x972 30fps 2 lane MIPI 420Mbps/lane
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{0x0100, 0x00},
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{0x3501, 0x3d}, // exposure
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{0x3502, 0x00}, // exposure
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{0x3708, 0x66},
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{0x3709, 0x52},
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{0x370c, 0xcf},
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{0x3800, 0x00}, // xstart = 0
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{0x3801, 0x00}, // x start
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{0x3802, 0x00}, // y start = 0
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{0x3803, 0x00}, // y start
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{0x3804, 0x0a}, // xend = 2623
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{0x3805, 0x3f}, // xend
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{0x3806, 0x07}, // yend = 1955
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{0x3807, 0xa3}, // yend
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{0x3808, 0x05}, // x output size = 1296
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{0x3809, 0x10}, // x output size
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{0x380a, 0x03}, // y output size = 972
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{0x380b, 0xcc}, // y output size
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{0x380c, 0x0b}, // preview_HTS = 2816
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{0x380d, 0x00}, //
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{0x380e, 0x03}, // preview_VTS = 992
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{0x380f, 0xe0}, //
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{0x3810, 0x00}, // isp x win = 8
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{0x3811, 0x08}, // isp x win
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{0x3812, 0x00}, // isp y win = 4
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{0x3813, 0x04}, // isp y win
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{0x3814, 0x31}, // x inc
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{0x3815, 0x31}, // y inc
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{0x3817, 0x00}, // hsync start
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{0x3820, 0x08}, // flip off, v bin off
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{0x3821, 0x07}, // mirror on, h bin on
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{0x4004, 0x02}, // black line number
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{0x4005, 0x18}, // blc level trigger
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{0x350b, 0x80}, // gain = 8x
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{0x4837, 0x17}, // MIPI global timing
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{0x0100, 0x01},
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};
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static struct regval_list sensor_720p_regs[] = {
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// 1280x720 30fps 2 lane MIPI 420Mbps/lane
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{0x0100, 0x00},
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{0x3501, 0x2d}, // exposure
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{0x3502, 0xc0}, // exposure
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{0x3708, 0x66},
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{0x3709, 0x52},
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{0x370c, 0xcf},
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{0x3800, 0x00}, // xstart = 16
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{0x3801, 0x10}, // xstart
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{0x3802, 0x00}, // ystart = 254
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{0x3803, 0xfe}, // ystart
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{0x3804, 0x0a}, // xend = 2607
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{0x3805, 0x2f}, // xend
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{0x3806, 0x06}, // yend = 1701
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{0x3807, 0xa5}, // yend
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{0x3808, 0x05}, // x output size = 12280
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{0x3809, 0x00}, // x output size
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{0x380a, 0x02}, // y output size = 720
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{0x380b, 0xd0}, // y output size
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{0x380c, 0x0e}, // preview_HTS = 3780;
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{0x380d, 0xc4}, //
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{0x380e, 0x02}, // preview_VTS = 742;
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{0x380f, 0xe6}, //
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{0x3810, 0x00}, // isp x win = 8
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{0x3811, 0x08}, // isp x win
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{0x3812, 0x00}, // isp y win = 2
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{0x3813, 0x02}, // isp y win
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{0x3814, 0x31}, // x inc
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{0x3815, 0x31}, // y inc
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{0x3817, 0x00}, // hsync start
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{0x3820, 0x08}, // flip off, v bin off
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{0x3821, 0x07}, // mirror on, h bin on
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{0x4004, 0x02}, // number of black line
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{0x4005, 0x18}, // blc level trigger
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{0x3b0b, 0x80}, // gain = 8x
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{0x4837, 0x17}, // MIPI global timing
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{0x0100, 0x01},
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};
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//static struct regval_list sensor_vga_regs[] = { //VGA: 640*480
|
|
//};
|
|
|
|
|
|
/*
|
|
* Here we'll try to encapsulate the changes for just the output
|
|
* video format.
|
|
*
|
|
*/
|
|
|
|
static struct regval_list sensor_fmt_raw[] = {
|
|
|
|
};
|
|
|
|
|
|
static int sensor_g_exp(struct v4l2_subdev *sd, __s32 *value)
|
|
{
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
*value = info->exp;
|
|
vfe_dev_dbg("sensor_get_exposure = %d\n", info->exp);
|
|
return 0;
|
|
}
|
|
static int ov5648_sensor_vts = 0;
|
|
|
|
static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain *exp_gain)
|
|
{
|
|
int exp_val, gain_val,shutter,frame_length;
|
|
unsigned char explow=0,expmid=0,exphigh=0;
|
|
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) );
|
|
shutter = exp_val/16;
|
|
if(shutter > ov5648_sensor_vts- 4)
|
|
frame_length = shutter + 4;
|
|
else
|
|
frame_length = ov5648_sensor_vts;
|
|
|
|
//printk("exp_val = %d,gain_val = %d\n",exp_val,gain_val);
|
|
sensor_write(sd, 0x3208, 0x00);//enter group write
|
|
|
|
sensor_write(sd, 0x3503, 0x07);
|
|
|
|
sensor_write(sd, 0x380f, (frame_length & 0xff));
|
|
sensor_write(sd, 0x380e, (frame_length >> 8));
|
|
|
|
sensor_write(sd, 0x350b, gainlow);
|
|
sensor_write(sd, 0x350a, gainhigh);
|
|
|
|
sensor_write(sd, 0x3502, explow);
|
|
sensor_write(sd, 0x3501, expmid);
|
|
sensor_write(sd, 0x3500, exphigh);
|
|
sensor_write(sd, 0x3208, 0x10);//end group write
|
|
sensor_write(sd, 0x3208, 0xa0);//init group write
|
|
info->exp = exp_val;
|
|
info->gain = gain_val;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_s_exp(struct v4l2_subdev *sd, unsigned int exp_val)
|
|
{
|
|
unsigned char explow,expmid,exphigh;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
if(exp_val>0xfffff)
|
|
exp_val=0xfffff;
|
|
|
|
// if(info->exp == exp_val && exp_val <= (1968)*16)
|
|
// return 0;
|
|
|
|
exphigh = (unsigned char) ( (0x0f0000&exp_val)>>16);
|
|
expmid = (unsigned char) ( (0x00ff00&exp_val)>>8);
|
|
explow = (unsigned char) ( (0x0000ff&exp_val) );
|
|
|
|
sensor_write(sd, 0x3208, 0x00);//enter group write
|
|
sensor_write(sd, 0x3502, explow);
|
|
sensor_write(sd, 0x3501, expmid);
|
|
sensor_write(sd, 0x3500, exphigh);
|
|
|
|
info->exp = exp_val;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_g_gain(struct v4l2_subdev *sd, __s32 *value)
|
|
{
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
*value = info->gain;
|
|
vfe_dev_dbg("sensor_get_gain = %d\n", info->gain);
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_s_gain(struct v4l2_subdev *sd, int gain_val)
|
|
{
|
|
struct sensor_info *info = to_state(sd);
|
|
unsigned char gainlow=0;
|
|
unsigned char gainhigh=0;
|
|
|
|
if(gain_val<1*16)
|
|
gain_val=16;
|
|
if(gain_val>64*16-1)
|
|
gain_val=64*16-1;
|
|
|
|
|
|
gainlow=(unsigned char)(gain_val&0xff);
|
|
gainhigh=(unsigned char)((gain_val>>8)&0x3);
|
|
|
|
sensor_write(sd, 0x3503, 0x17);
|
|
sensor_write(sd, 0x350b, gainlow);
|
|
sensor_write(sd, 0x350a, gainhigh);
|
|
sensor_write(sd, 0x3208, 0x10);//end group write
|
|
sensor_write(sd, 0x3208, 0xa0);//init group write
|
|
|
|
printk("5648 sensor_set_gain = %d, Done!\n", gain_val);
|
|
info->gain = gain_val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
|
|
{
|
|
int ret;
|
|
data_type rdval;
|
|
|
|
ret=sensor_read(sd, 0x0100, &rdval);
|
|
if(ret!=0)
|
|
return ret;
|
|
|
|
if(on_off==CSI_GPIO_LOW)//sw stby on
|
|
{
|
|
ret=sensor_write(sd, 0x0100, rdval&0xfe);
|
|
}
|
|
else//sw stby off
|
|
{
|
|
ret=sensor_write(sd, 0x0100, rdval|0x01);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* Stuff that knows about the sensor.
|
|
*/
|
|
|
|
static int sensor_power(struct v4l2_subdev *sd, int on)
|
|
{
|
|
int ret;
|
|
|
|
ret = 0;
|
|
switch(on)
|
|
{
|
|
case CSI_SUBDEV_STBY_ON:
|
|
vfe_dev_dbg("CSI_SUBDEV_STBY_ON!\n");
|
|
ret = sensor_s_sw_stby(sd, CSI_GPIO_LOW);
|
|
if(ret < 0)
|
|
vfe_dev_err("soft stby falied!\n");
|
|
mdelay(10);
|
|
cci_lock(sd);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
|
|
cci_unlock(sd);
|
|
vfe_set_mclk(sd,OFF);
|
|
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);
|
|
mdelay(10);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
|
|
mdelay(10);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_PWR_ON:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_ON!\n");
|
|
cci_lock(sd);
|
|
vfe_gpio_set_status(sd,PWDN,1);//set the gpio to output
|
|
vfe_gpio_set_status(sd,RESET,1);//set the gpio to output
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
|
|
mdelay(1);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_HIGH);
|
|
vfe_set_pmu_channel(sd,IOVDD,ON);
|
|
vfe_set_pmu_channel(sd,AFVDD,ON);
|
|
vfe_set_pmu_channel(sd,AVDD,ON);
|
|
vfe_set_pmu_channel(sd,DVDD,ON);
|
|
mdelay(10);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
|
|
mdelay(5);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
|
|
mdelay(10);
|
|
vfe_set_mclk_freq(sd,MCLK);
|
|
vfe_set_mclk(sd,ON);
|
|
mdelay(10);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_PWR_OFF:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_OFF!\n");
|
|
cci_lock(sd);
|
|
mdelay(5);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
|
|
vfe_set_pmu_channel(sd,DVDD,OFF);
|
|
mdelay(1);
|
|
vfe_set_mclk(sd,OFF);
|
|
vfe_set_pmu_channel(sd,AVDD,OFF);
|
|
vfe_set_pmu_channel(sd,IOVDD,OFF);
|
|
vfe_set_pmu_channel(sd,AFVDD,OFF);
|
|
vfe_gpio_set_status(sd,RESET,0);//set the gpio to input
|
|
vfe_gpio_set_status(sd,PWDN,0);//set the gpio to input
|
|
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 != 0x56)
|
|
return -ENODEV;
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0x300b, &rdval))
|
|
if(rdval != 0x48)
|
|
return -ENODEV;
|
|
|
|
vfe_dev_dbg("!!!!!!!!!!!!sensor_detect\t%d\t\n", rdval);
|
|
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 = 0;
|
|
info->height = 0;
|
|
info->hflip = 0;
|
|
info->vflip = 0;
|
|
info->gain = 0;
|
|
|
|
info->tpf.numerator = 1;
|
|
info->tpf.denominator = 15; /* 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;
|
|
enum v4l2_mbus_pixelcode mbus_code;
|
|
struct regval_list *regs;
|
|
int regs_size;
|
|
int bpp; /* Bytes per pixel */
|
|
}sensor_formats[] = {
|
|
{
|
|
.desc = "Raw RGB Bayer",
|
|
.mbus_code = V4L2_MBUS_FMT_SBGGR10_10X1,//V4L2_MBUS_FMT_SGRBG10_10X1,
|
|
.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[] = {
|
|
/* quxga: 2592*1936 */
|
|
{
|
|
.width = QSXGA_WIDTH,
|
|
.height = QSXGA_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 4,
|
|
.hts = 2816,
|
|
.vts = 1984,
|
|
.pclk = 84*1000*1000,
|
|
.mipi_bps = 420*1000*1000,
|
|
.fps_fixed = 2,
|
|
.bin_factor = 1,
|
|
.intg_min = 1<<4,
|
|
.intg_max = (1984-4)<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = (12<<4)-2,
|
|
.regs = sensor_qsxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_qsxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
|
|
/* 1080P */
|
|
{
|
|
.width = HD1080_WIDTH,
|
|
.height = HD1080_HEIGHT,
|
|
.hoffset = 336, //(2592-1920)/2,
|
|
.voffset = 432, //(1944-1080)/2,
|
|
.hts = 2816,
|
|
.vts = 1984,
|
|
.pclk = 84*1000*1000,
|
|
.mipi_bps = 420*1000*1000,
|
|
.fps_fixed = 2,
|
|
.bin_factor = 1,
|
|
.intg_min = 1<<4,
|
|
.intg_max = (1984-4)<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.regs = sensor_1080p_regs,//
|
|
.regs_size = ARRAY_SIZE(sensor_1080p_regs),//
|
|
.set_size = NULL,
|
|
},
|
|
|
|
/* SXGA */
|
|
{
|
|
.width = SXGA_WIDTH,
|
|
.height = SXGA_HEIGHT,
|
|
.hoffset = 8, //(1296-1280)/2,
|
|
.voffset = 6, //(972-960)/2,
|
|
.hts = 2816,
|
|
.vts = 992,
|
|
.pclk = 84*1000*1000,
|
|
.mipi_bps = 420*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = (992-4)<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.regs = sensor_sxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_sxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
|
|
/* 720p */
|
|
{
|
|
.width = HD720_WIDTH,
|
|
.height = HD720_HEIGHT,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 3780,
|
|
.vts = 742,
|
|
.pclk = 84*1000*1000,
|
|
.mipi_bps = 420*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = (742-4)<<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 = 8, //(1296-1280)/2,
|
|
.voffset = 6, //(972-960)/2,
|
|
.hts = 2816,
|
|
.vts = 992,
|
|
.pclk = 84*1000*1000,
|
|
.mipi_bps = 420*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = (992-4)<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.width_input = SXGA_WIDTH,
|
|
.height_input = SXGA_HEIGHT,
|
|
.regs = sensor_sxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_sxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
};
|
|
|
|
#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))
|
|
|
|
static int sensor_enum_fmt(struct v4l2_subdev *sd, unsigned index,
|
|
enum v4l2_mbus_pixelcode *code)
|
|
{
|
|
if (index >= N_FMTS)
|
|
return -EINVAL;
|
|
|
|
*code = sensor_formats[index].mbus_code;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_enum_size(struct v4l2_subdev *sd,
|
|
struct v4l2_frmsizeenum *fsize)
|
|
{
|
|
if(fsize->index > N_WIN_SIZES-1)
|
|
return -EINVAL;
|
|
|
|
fsize->type = V4L2_FRMSIZE_TYPE_DISCRETE;
|
|
fsize->discrete.width = sensor_win_sizes[fsize->index].width;
|
|
fsize->discrete.height = sensor_win_sizes[fsize->index].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_try_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_framefmt *fmt)
|
|
{
|
|
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_CSI2;
|
|
cfg->flags = 0|V4L2_MBUS_CSI2_2_LANE|V4L2_MBUS_CSI2_CHANNEL_0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set a format.
|
|
*/
|
|
static int sensor_s_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_framefmt *fmt)
|
|
{
|
|
int ret;
|
|
struct sensor_format_struct *sensor_fmt;
|
|
struct sensor_win_size *wsize;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_s_fmt\n");
|
|
|
|
//sensor_write_array(sd, sensor_oe_disable_regs, ARRAY_SIZE(sensor_oe_disable_regs));
|
|
|
|
ret = sensor_try_fmt_internal(sd, fmt, &sensor_fmt, &wsize);
|
|
if (ret)
|
|
return ret;
|
|
|
|
if(info->capture_mode == V4L2_MODE_VIDEO)
|
|
{
|
|
//video
|
|
}
|
|
else if(info->capture_mode == V4L2_MODE_IMAGE)
|
|
{
|
|
//image
|
|
}
|
|
|
|
sensor_write_array(sd, sensor_fmt->regs, sensor_fmt->regs_size);
|
|
|
|
ret = 0;
|
|
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;
|
|
ov5648_sensor_vts = wsize->vts;
|
|
|
|
//vfe_dev_print("s_fmt = %d, width = %d, height = %d\n",sensor_fmt,wsize->width,wsize->height);
|
|
|
|
if(info->capture_mode == V4L2_MODE_VIDEO)
|
|
{
|
|
//video
|
|
} else {
|
|
//capture image
|
|
}
|
|
//sensor_write_array(sd, sensor_oe_enable_regs, ARRAY_SIZE(sensor_oe_enable_regs));
|
|
printk("s_fmt end\n");
|
|
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_queryctrl(struct v4l2_subdev *sd,
|
|
struct v4l2_queryctrl *qc)
|
|
{
|
|
/* Fill in min, max, step and default value for these controls. */
|
|
/* see include/linux/videodev2.h for details */
|
|
|
|
switch (qc->id) {
|
|
case V4L2_CID_GAIN:
|
|
return v4l2_ctrl_query_fill(qc, 1*16, 32*16, 1, 16);
|
|
case V4L2_CID_EXPOSURE:
|
|
return v4l2_ctrl_query_fill(qc, 0, 65535*16, 1, 0);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int sensor_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
|
|
{
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_g_gain(sd, &ctrl->value);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_g_exp(sd, &ctrl->value);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int sensor_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
|
|
{
|
|
struct v4l2_queryctrl qc;
|
|
int ret;
|
|
|
|
qc.id = ctrl->id;
|
|
ret = sensor_queryctrl(sd, &qc);
|
|
if (ret < 0) {
|
|
return ret;
|
|
}
|
|
|
|
if (ctrl->value < qc.minimum || ctrl->value > qc.maximum) {
|
|
vfe_dev_err("max gain qurery is %d,min gain qurey is %d\n",qc.maximum,qc.minimum);
|
|
return -ERANGE;
|
|
}
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_s_gain(sd, ctrl->value);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_s_exp(sd, ctrl->value);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
static int sensor_g_chip_ident(struct v4l2_subdev *sd,
|
|
struct v4l2_dbg_chip_ident *chip)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_SENSOR, 0);
|
|
}
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
static const struct v4l2_subdev_core_ops sensor_core_ops = {
|
|
.g_chip_ident = sensor_g_chip_ident,
|
|
.g_ctrl = sensor_g_ctrl,
|
|
.s_ctrl = sensor_s_ctrl,
|
|
.queryctrl = sensor_queryctrl,
|
|
.reset = sensor_reset,
|
|
.init = sensor_init,
|
|
.s_power = sensor_power,
|
|
.ioctl = sensor_ioctl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops sensor_video_ops = {
|
|
.enum_mbus_fmt = sensor_enum_fmt,
|
|
.enum_framesizes = sensor_enum_size,
|
|
.try_mbus_fmt = sensor_try_fmt,
|
|
.s_mbus_fmt = sensor_s_fmt,
|
|
.s_parm = sensor_s_parm,
|
|
.g_parm = sensor_g_parm,
|
|
.g_mbus_config = sensor_g_mbus_config,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops sensor_ops = {
|
|
.core = &sensor_core_ops,
|
|
.video = &sensor_video_ops,
|
|
};
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
static struct cci_driver cci_drv = {
|
|
.name = SENSOR_NAME,
|
|
.addr_width = CCI_BITS_16,
|
|
.data_width = CCI_BITS_8,
|
|
};
|
|
|
|
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;
|
|
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);
|
|
|