1051 lines
23 KiB
C
Executable file
1051 lines
23 KiB
C
Executable file
/*
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* A V4L2 driver for HM8131 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 HM8131 sensors");
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MODULE_LICENSE("GPL");
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//for internel 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...) printk("[HM8131]"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("[HM8131]"x,##arg)
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#define vfe_dev_print(x,arg...) printk("[HM8131]"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 0x8131
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int hm8131_sensor_vts;
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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 15
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/*
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* The HM8131 sits on i2c with ID 0x6c
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*/
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#define I2C_ADDR 0x68
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#define SENSOR_NAME "hm8131"
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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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};
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//for capture
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static struct regval_list sensor_quxga_regs[] = {
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//@@3264_2448_2lane
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{0x0100, 0x00},
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{REG_DLY, 0x32},// very important!! Without this, it fails!
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{0x0103, 0x00},
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{0x0100, 0x02},
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{0x0303, 0x02}, //PLL adc1 - enable PLL -> was 002A
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{0x0305, 0x0C}, //PLL N, mclk 24mhz
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{0x0307, 0x44}, //PLL M, pclk_raw=68mhz
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{0x030D, 0x0C}, //PLL N,
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{0x030F, 0x5E}, //PLL M, pkt_clk=94mhz
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{0x414A, 0x02},
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{0x4147, 0x03},
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{0x4144, 0x01},
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{0x4145, 0x31},
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{0x4146, 0x40},
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{0x4149, 0x5C},
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{0x4260, 0x00},
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{0x4261, 0x00},
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{0x4270, 0x18},
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{0x4271, 0x6D},
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{0x4272, 0x22},
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{0x427D, 0x00},
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{0x427E, 0x03},
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{0x427F, 0x00},
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{0x4380, 0xA0},
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{0x4381, 0x7B},
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{0x4383, 0x58},
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{0x4387, 0x37},
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{0x4386, 0x01},
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{0x4382, 0x00},
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{0x4388, 0x9F},
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{0x438A, 0x80},
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{0x438C, 0x1F},
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{0x4384, 0x20},
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{0x438B, 0x00},
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{0x4385, 0xA6},
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{0x438F, 0x00},
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{0x438D, 0xA0},
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{0x4B44, 0x00},
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{0x4B46, 0x4E},
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{0x4B47, 0x3F},
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{0x44D0, 0x00},
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{0x44D1, 0x00},
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{0x44D2, 0x00},
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{0x44D3, 0x00},
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{0x44D4, 0x00},
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{0x44D5, 0x00},
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{0x4B07, 0xF0},
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{0x4131, 0x01},
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{0x4274, 0x33}, //[5] mask out bad frame due to mode (flip/mirror) change
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{0x4002, 0x23}, //output BPC
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{0x4B18, 0x28}, //[7:0] FULL_TRIGGER_TIME
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{0x4B08, 0xA0}, //VSIZE (2464)
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{0x4B09, 0x09}, //
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{0x4B0A, 0xD0}, //HSIZE (3280)
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{0x4B0B, 0x0C}, //
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{0x0111, 0x00}, //00:2lane, 01:4lane (org 4B19)
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{0x4B20, 0x9E}, //clock always on(9E) / clock always on while sending packet(BE)
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{0x4B0E, 0x03},
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{0x4B42, 0x05},
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{0x4B03, 0x0E}, //hs_zero_width
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{0x4B04, 0x05}, //hs_trail_width
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{0x4B06, 0x06}, //clk_trail_width
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{0x4B3F, 0x18}, //[3:0] mipi_req_dly
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{0x4024, 0x40}, //enabled MIPI -> was 0024
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{0x0101, 0x03}, //flip+mirror
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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_sxga_regs[] = {
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//MIPI=720Mbps, SysClk=144Mhz,Dac Clock=360Mhz.
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{0x0100, 0x00},
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{REG_DLY, 0x32},// very important!! Without this, it fails!
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{0x0103, 0x00},
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{0x0100, 0x02},
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{0x0303, 0x02}, //PLL adc1 - enable PLL -> was 002A
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{0x0305, 0x0C}, //PLL N, mclk 24mhz
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{0x0307, 0x46}, //PLL M, pclk_raw=68mhz
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{0x030D, 0x0C}, //PLL N,
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{0x030F, 0x5E}, //PLL M, pkt_clk=94mhz
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{0x0309, 0x02},
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{0x400D, 0x04},
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{0x0383, 0x03},
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{0x0387, 0x03},
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{0x0390, 0x01},
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{0x414A, 0x02},
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{0x4147, 0x03},
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{0x4144, 0x01},
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{0x4145, 0x31},
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{0x4146, 0x40},
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{0x4149, 0x5C},
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{0x4260, 0x00},
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{0x4261, 0x00},
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{0x4270, 0x18},
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{0x4271, 0x6D},
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{0x4272, 0x22},
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{0x427D, 0x00},
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{0x427E, 0x03},
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{0x427F, 0x00},
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{0x4380, 0xA0},
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{0x4381, 0x7B},
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{0x4383, 0x58},
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{0x4387, 0x37},
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{0x4386, 0x01},
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{0x4382, 0x00},
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{0x4388, 0x9F},
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{0x438A, 0x80},
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{0x438C, 0x1F},
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{0x4384, 0x20},
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{0x438B, 0x00},
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{0x4385, 0xA6},
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{0x438F, 0x00},
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{0x438D, 0xA0},
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{0x4B44, 0x00},
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{0x4B46, 0x4E},
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{0x4B47, 0x3F},
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{0x44D0, 0x00},
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{0x44D1, 0x00},
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{0x44D2, 0x00},
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{0x44D3, 0x00},
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{0x44D4, 0x00},
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{0x44D5, 0x00},
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{0x4B07, 0xF0},
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{0x4131, 0x01},
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{0x4274, 0x33}, //[5] mask out bad frame due to mode (flip/mirror) change
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{0x4002, 0x23}, //output BPC
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{0x4B18, 0x08}, //[7:0] FULL_TRIGGER_TIME
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{0x0383, 0x03},// x odd increment -> was 01
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{0x0387, 0x03},// y odd increment -> was 01
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{0x0390, 0x01},// binning mode -> was 00 1:binning 2:summing
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{0x0344, 0x00},// Image size X start Hb
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{0x0345, 0x08},// Image size X start Lb
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{0x0346, 0x00},// Image size Y star Hb
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{0x0347, 0x08},// Image size Y star Lb
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{0x0348, 0x0C},// Image size X end Hb
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{0x0349, 0xC5},// Image size X end Lb
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{0x034A, 0x09},// Image size Y end Hb
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{0x034B, 0x95},// Image size Y end Lb
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{0x0340, 0x05},// frame length lines Hb
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{0x0341, 0x1A},// frame length lines Lb
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{0x0342, 0x03},// smia line length Hb (=0x427A)
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{0x0343, 0x70},// smia line length Lb (=0x427B)
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{0x4B08, 0xC8},// VSIZE
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{0x4B09, 0x04},//
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{0x4B0A, 0x60},// HSIZE
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{0x4B0B, 0x06},//
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{0x034C, 0x06},// HSIZE
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{0x034D, 0x60},// HSIZE
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{0x034E, 0x04},// VSIZE
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{0x034F, 0xC8},// VSIZE
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{0x0111, 0x00}, //00:2lane, 01:4lane
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{0x4B20, 0x9E}, //clock always on(9E) / clock always on while sending packet(BE)
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{0x4B0E, 0x01},
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{0x4B42, 0x02},
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{0x4B02, 0x02}, //lpx_width
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{0x4B03, 0x05}, //hs_zero_width
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{0x4B04, 0x02}, //hs_trail_width
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{0x4B05, 0x0C}, //clk_zero_width
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{0x4B06, 0x03}, //clk_trail_width
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{0x4B0F, 0x07}, //clk_back_porch
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{0x4B39, 0x02}, //clk_width_exit
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{0x4B3F, 0x08}, //[3:0] mipi_req_dly
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{0x4B42, 0x02}, //HS_PREPARE_WIDTH
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{0x4B43, 0x02}, //CLK_PREPARE_WIDTH
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{0x4024, 0x40}, //enabled MIPI -> was 0024
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{0x0101, 0x03}, //flip+mirror
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{0x0340, 0x05},
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{0x0341, 0x1A},
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{0x0100, 0x01},
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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;
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struct sensor_info *info = to_state(sd);
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vfe_dev_dbg("sensor_set_exposure = %d\n", exp_val>>4);
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if(exp_val>0xfffff)
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exp_val=0xfffff;
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expmid = (unsigned char) ( (0x0ff000&exp_val)>>12);
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explow = (unsigned char) ( (0x000ff0&exp_val)>>4);
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sensor_write(sd, 0x0104, 0x01);
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sensor_write(sd, 0x0202, expmid);
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sensor_write(sd, 0x0203, explow);
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sensor_write(sd, 0x0104, 0x00);
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// printk("8131 sensor_set_exp = %d %d %d, Done!\n", exp_val, expmid, explow);
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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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if(gain_val<1*16)
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gain_val=16;
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if(gain_val>64*16-1)
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gain_val=64*16-1;
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vfe_dev_dbg("sensor_set_gain = %d\n", gain_val);
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gainlow=(unsigned char)(gain_val - 16);
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sensor_write(sd, 0x0104, 0x01);
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sensor_write(sd, 0x0205, gainlow);
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sensor_write(sd, 0x0104, 0x00);
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info->gain = gain_val;
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return 0;
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}
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static int sensor_s_exp_gain(struct v4l2_subdev *sd, struct sensor_exp_gain *exp_gain)
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{
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int exp_val, gain_val,frame_length,shutter;
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unsigned char explow=0,expmid=0;//,exphigh=0;
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unsigned char gainlow=0;//,gainhigh=0;
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struct sensor_info *info = to_state(sd);
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exp_val = exp_gain->exp_val;
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gain_val = exp_gain->gain_val;
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if((info->exp == exp_val)&&(info->gain == gain_val))
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return 0;
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if(gain_val<1*16)
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gain_val=16;
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if(gain_val>64*16-1)
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gain_val=64*16-1;
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if(exp_val>0xfffff)
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exp_val=0xfffff;
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shutter = exp_val/16;
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if(shutter > hm8131_sensor_vts - 4)
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frame_length = shutter + 4;
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else
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frame_length = hm8131_sensor_vts;
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gainlow = (unsigned char)(gain_val - 16);
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expmid = (unsigned char)((0x0ff000&exp_val)>>12);
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explow = (unsigned char)((0x000ff0&exp_val)>>4);
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sensor_write(sd, 0x0104, 0x01);
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sensor_write(sd, 0x0202, expmid);
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sensor_write(sd, 0x0203, explow);
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sensor_write(sd, 0x0205, gainlow);
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sensor_write(sd, 0x0104, 0x00);
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info->exp = exp_val;
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info->gain = gain_val;
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return 0;
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}
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static int sensor_s_sw_stby(struct v4l2_subdev *sd, int on_off)
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{
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int ret;
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data_type rdval;
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ret=sensor_read(sd, 0x0100, &rdval);
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if(ret!=0)
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return ret;
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if(on_off==CSI_GPIO_LOW)//sw stby on
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{
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ret=sensor_write(sd, 0x0100, rdval&0xfe);
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}
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else//sw stby off
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{
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ret=sensor_write(sd, 0x0100, rdval|0x01);
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}
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return ret;
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}
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/*
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* Stuff that knows about the sensor.
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*/
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static int sensor_power(struct v4l2_subdev *sd, int on)
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{
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int ret;
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ret = 0;
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switch(on)
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{
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case CSI_SUBDEV_STBY_ON:
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vfe_dev_dbg("CSI_SUBDEV_STBY_ON!\n");
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ret = sensor_s_sw_stby(sd, CSI_GPIO_LOW);
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if(ret < 0)
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vfe_dev_err("soft stby falied!\n");
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usleep_range(10000,12000);
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cci_lock(sd);
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vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
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cci_unlock(sd);
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vfe_set_mclk(sd,OFF);
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break;
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case CSI_SUBDEV_STBY_OFF:
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vfe_dev_dbg("CSI_SUBDEV_STBY_OFF!\n");
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cci_lock(sd);
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vfe_set_mclk_freq(sd,MCLK);
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vfe_set_mclk(sd,ON);
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usleep_range(10000,12000);
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vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
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usleep_range(10000,12000);
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cci_unlock(sd);
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ret = sensor_s_sw_stby(sd, CSI_GPIO_HIGH);
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if(ret < 0)
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vfe_dev_err("soft stby off falied!\n");
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usleep_range(10000,12000);
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break;
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case CSI_SUBDEV_PWR_ON:
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vfe_dev_dbg("CSI_SUBDEV_PWR_ON!\n");
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cci_lock(sd);
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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);
|
|
usleep_range(1000,1200);
|
|
vfe_set_mclk_freq(sd,MCLK);
|
|
vfe_set_mclk(sd,ON);
|
|
usleep_range(10000,12000);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_HIGH);
|
|
vfe_set_pmu_channel(sd,IOVDD,ON);
|
|
vfe_set_pmu_channel(sd,AVDD,ON);
|
|
vfe_set_pmu_channel(sd,DVDD,ON);
|
|
vfe_set_pmu_channel(sd,AFVDD,ON);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_HIGH);
|
|
usleep_range(10000,12000);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_HIGH);
|
|
usleep_range(30000,31000);
|
|
cci_unlock(sd);
|
|
break;
|
|
case CSI_SUBDEV_PWR_OFF:
|
|
vfe_dev_dbg("CSI_SUBDEV_PWR_OFF!\n");
|
|
cci_lock(sd);
|
|
vfe_set_mclk(sd,OFF);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
|
|
vfe_set_pmu_channel(sd,AFVDD,OFF);
|
|
vfe_set_pmu_channel(sd,DVDD,OFF);
|
|
vfe_set_pmu_channel(sd,AVDD,OFF);
|
|
vfe_set_pmu_channel(sd,IOVDD,OFF);
|
|
usleep_range(10000,12000);
|
|
vfe_gpio_write(sd,POWER_EN,CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd,RESET,CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd,PWDN,CSI_GPIO_LOW);
|
|
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, 0x0000, &rdval))
|
|
if(rdval != 0x81)
|
|
return -ENODEV;
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0x0001, &rdval))
|
|
if(rdval != 0x31)
|
|
return -ENODEV;
|
|
|
|
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 = QUXGA_WIDTH;
|
|
info->height = QUXGA_HEIGHT;
|
|
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:
|
|
ret = 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_SRGGB10_10X1, //V4L2_MBUS_FMT_SBGGR10_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[] = {
|
|
#if 1
|
|
/* quxga: 3264*2448 */
|
|
{
|
|
.width = QUXGA_WIDTH,//3280,
|
|
.height = QUXGA_HEIGHT,//2464,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 3578,
|
|
.vts = 2534,
|
|
.pclk = 136*1000*1000,
|
|
.mipi_bps = 720*1000*1000,
|
|
.fps_fixed = 2,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = 2534<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 10<<4,
|
|
.regs = sensor_quxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_quxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
#endif
|
|
#if 1
|
|
/* SXGA */
|
|
{
|
|
.width = SXGA_WIDTH,
|
|
.height = SXGA_HEIGHT,
|
|
.hoffset = 176,
|
|
.voffset = 132,
|
|
.hts = 3573,
|
|
.vts = 1306,
|
|
.pclk = 140*1000*1000,
|
|
.mipi_bps = 720*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 1,
|
|
.intg_max = 1306<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 12<<4,
|
|
.regs = sensor_sxga_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_sxga_regs),
|
|
.set_size = NULL,
|
|
},
|
|
/* 720p */
|
|
{
|
|
.width = HD720_WIDTH,
|
|
.height = HD720_HEIGHT,
|
|
.hoffset = 176,
|
|
.voffset = 252,
|
|
.hts = 3573,
|
|
.vts = 1306,
|
|
.pclk = 140*1000*1000,
|
|
.mipi_bps = 720*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = 1306<<4,
|
|
.gain_min = 1<<4,
|
|
.gain_max = 12<<4,
|
|
.regs = sensor_sxga_regs,//
|
|
.regs_size = ARRAY_SIZE(sensor_sxga_regs),//
|
|
.set_size = NULL,
|
|
},
|
|
#endif
|
|
};
|
|
|
|
#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");
|
|
|
|
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;
|
|
hm8131_sensor_vts = wsize->vts;
|
|
|
|
vfe_dev_print("s_fmt set width = %d, height = %d\n",wsize->width,wsize->height);
|
|
|
|
if(info->capture_mode == V4L2_MODE_VIDEO)
|
|
{
|
|
//video
|
|
} else {
|
|
//capture image
|
|
}
|
|
|
|
vfe_dev_print("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);
|
|
|