1198 lines
24 KiB
C
Executable File
1198 lines
24 KiB
C
Executable File
/*
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* A V4L2 driver for IMX214 cameras.
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/delay.h>
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#include <linux/videodev2.h>
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#include <linux/clk.h>
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#include <media/v4l2-device.h>
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#include <media/v4l2-mediabus.h>
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#include <linux/io.h>
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#include "camera.h"
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#include "sensor_helper.h"
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MODULE_AUTHOR("lwj");
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MODULE_DESCRIPTION("A low-level driver for IMX214 sensors");
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MODULE_LICENSE("GPL");
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/* for internal 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...) pr_debug("[IMX214]"x, ##arg)
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#else
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#define vfe_dev_dbg(x, arg...)
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#endif
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#define vfe_dev_err(x, arg...) pr_err("[IMX214]"x, ##arg)
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#define vfe_dev_print(x, arg...) pr_info("[IMX214]"x, ##arg)
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/*
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*#define LOG_ERR_RET(x) { \
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* int ret; \
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* ret = x; \
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* if (ret < 0) { \
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* vfe_dev_err("error at %s\n", __func__); \
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* return ret; \
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* } \
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* }
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*/
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/* define module timing */
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#define MCLK (24*1000*1000)
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#define VREF_POL V4L2_MBUS_VSYNC_ACTIVE_LOW
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#define HREF_POL V4L2_MBUS_HSYNC_ACTIVE_HIGH
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#define CLK_POL V4L2_MBUS_PCLK_SAMPLE_RISING
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#define V4L2_IDENT_SENSOR 0x0214
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#define DGAIN_R 0x100
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#define DGAIN_G 0x100
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#define DGAIN_B 0x100
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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 IMX214 sits on i2c with ID 0x6c
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*/
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#define I2C_ADDR 0x20
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#define SENSOR_NAME "imx214"
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int imx214_sensor_vts;
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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 int LOG_ERR_RET(int x)
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{
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int ret;
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ret = x;
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if (ret < 0)
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vfe_dev_err("error at %s\n", __func__);
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return ret;
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}
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static inline struct sensor_info *to_state(struct v4l2_subdev *sd)
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{
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return container_of(sd, struct sensor_info, sd);
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}
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/*
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* The default register settings
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*
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*/
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static struct regval_list sensor_default_regs[] = {
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{0x0101, 0x03},
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{0x0105, 0x01},
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{0x0106, 0x01},
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{0x4550, 0x02},
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{0x4601, 0x04},
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{0x4642, 0x01},
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{0x6227, 0x11},
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{0x6276, 0x00},
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{0x900E, 0x06},
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{0xA802, 0x90},
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{0xA803, 0x11},
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{0xA804, 0x62},
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{0xA805, 0x77},
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{0xA806, 0xAE},
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{0xA807, 0x34},
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{0xA808, 0xAE},
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{0xA809, 0x35},
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{0xA80A, 0x62},
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{0xA80B, 0x83},
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{0xAE33, 0x00},
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{0x4174, 0x00},
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{0x4175, 0x11},
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{0x4612, 0x29},
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{0x461B, 0x2C},
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{0x461F, 0x06},
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{0x4635, 0x07},
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{0x4637, 0x30},
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{0x463F, 0x18},
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{0x4641, 0x0D},
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{0x465B, 0x2C},
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{0x465F, 0x2B},
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{0x4663, 0x2B},
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{0x4667, 0x24},
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{0x466F, 0x24},
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{0x470E, 0x09},
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{0x4909, 0xAB},
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{0x490B, 0x95},
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{0x4915, 0x5D},
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{0x4A5F, 0xFF},
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{0x4A61, 0xFF},
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{0x4A73, 0x62},
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{0x4A85, 0x00},
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{0x4A87, 0xFF},
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{0x583C, 0x04},
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{0x620E, 0x04},
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{0x6EB2, 0x01},
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{0x6EB3, 0x00},
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{0x9300, 0x02},
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{0x080b, 119},
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{0x080d, 55},
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{0x080f, 103},
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{0x0811, 55},
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{0x0813, 55},
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{0x0815, 55},
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{0x0817, 223},
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{0x0819, 47},
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{0x4601, 0x04},
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{0x4642, 0x01},
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{0x461B, 0x2C},
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{0x465B, 0x2C},
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{0x465F, 0x2B},
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{0x4663, 0x2B},
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{0x4667, 0x24},
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{0x466F, 0x24},
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};
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/* for capture */
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static struct regval_list sensor_13mega_regs[] = {
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{0x0114, 0x03},
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{0x0220, 0x00},
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{0x0221, 0x11},
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{0x0222, 0x01},
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{0x0340, 0x0C},
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{0x0341, 0x7A},
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{0x0342, 0x13},
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{0x0343, 0x90},
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{0x0344, 0x00},
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{0x0345, 0x00},
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{0x0346, 0x00},
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{0x0347, 0x00},
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{0x0348, 0x10},
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{0x0349, 0x6F},
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{0x034A, 0x0C},
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{0x034B, 0x2F},
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{0x0381, 0x01},
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{0x0383, 0x01},
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{0x0385, 0x01},
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{0x0387, 0x01},
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{0x0900, 0x00},
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{0x0901, 0x00},
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{0x0902, 0x00},
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{0x3000, 0x35},
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{0x3054, 0x01},
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{0x305C, 0x11},
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{0x0112, 0x0A},
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{0x0113, 0x0A},
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{0x034C, 0x10},
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{0x034D, 0x70},
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{0x034E, 0x0C},
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{0x034F, 0x30},
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{0x0401, 0x00},
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{0x0404, 0x00},
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{0x0405, 0x10},
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{0x0408, 0x00},
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{0x0409, 0x00},
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{0x040A, 0x00},
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{0x040B, 0x00},
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{0x040C, 0x10},
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{0x040D, 0x70},
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{0x040E, 0x0C},
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{0x040F, 0x30},
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{0x0301, 0x05},
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{0x0303, 0x02},
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{0x0305, 0x03},
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{0x0306, 0x00},
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{0x0307, 0x64},
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{0x0309, 0x0A},
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{0x030B, 0x01},
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{0x0310, 0x00},
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{0x0820, 0x0C},
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{0x0821, 0x80},
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{0x0822, 0x00},
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{0x0823, 0x00},
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{0x3A03, 0x08},
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{0x3A04, 0xD0},
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{0x3A05, 0x02},
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{0x0B06, 0x01},
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{0x30A2, 0x00},
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{0x30B4, 0x00},
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{0x3A02, 0xFF},
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{0x3011, 0x00},
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{0x3013, 0x01},
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{0x0202, 0x0C},
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{0x0203, 0x70},
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{0x0224, 0x01},
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{0x0225, 0xF4},
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{0x0204, 0x00},
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{0x0205, 0x00},
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{0x020E, 0x01},
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{0x020F, 0x00},
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{0x0210, 0x01},
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{0x0211, 0x00},
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{0x0212, 0x01},
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{0x0213, 0x00},
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{0x0214, 0x01},
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{0x0215, 0x00},
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{0x0216, 0x00},
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{0x0217, 0x00},
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{0x4170, 0x00},
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{0x4171, 0x10},
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{0x4176, 0x00},
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{0x4177, 0x3C},
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{0xAE20, 0x04},
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{0xAE21, 0x5C},
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{0x0138, 0x01},
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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_4k_videos[] = {
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{0x0114, 0x03},
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{0x0220, 0x00},
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{0x0221, 0x11},
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{0x0222, 0x01},
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{0x0340, 0x09},
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{0x0341, 0x3C},
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{0x0342, 0x13},
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{0x0343, 0x90},
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{0x0344, 0x00},
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{0x0345, 0xB8},
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{0x0346, 0x01},
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{0x0347, 0xE0},
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{0x0348, 0x0F},
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{0x0349, 0xB7},
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{0x034A, 0x0A},
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{0x034B, 0x4F},
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{0x0381, 0x01},
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{0x0383, 0x01},
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{0x0385, 0x01},
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{0x0387, 0x01},
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{0x0900, 0x00},
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{0x0901, 0x00},
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{0x0902, 0x00},
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{0x3000, 0x35},
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{0x3054, 0x01},
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{0x305C, 0x11},
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{0x0112, 0x0A},
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{0x0113, 0x0A},
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{0x034C, 0x0F},
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{0x034D, 0x00},
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{0x034E, 0x08},
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{0x034F, 0x70},
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{0x0401, 0x00},
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{0x0404, 0x00},
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{0x0405, 0x10},
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{0x0408, 0x00},
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{0x0409, 0x00},
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{0x040A, 0x00},
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{0x040B, 0x00},
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{0x040C, 0x0F},
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{0x040D, 0x00},
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{0x040E, 0x08},
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{0x040F, 0x70},
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{0x0301, 0x05},
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{0x0303, 0x02},
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{0x0305, 0x01},
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{0x0306, 0x00},
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{0x0307, 0x25},
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{0x0309, 0x0A},
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{0x030B, 0x01},
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{0x0310, 0x00},
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{0x0820, 0x0D},
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{0x0821, 0xE0},
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{0x0822, 0x00},
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{0x0823, 0x00},
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{0x3A03, 0x09},
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{0x3A04, 0xA0},
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{0x3A05, 0x04},
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{0x0B06, 0x01},
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{0x30A2, 0x00},
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{0x30B4, 0x00},
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{0x3A02, 0xFF},
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{0x3011, 0x00},
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{0x3013, 0x01},
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{0x0202, 0x09},
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{0x0203, 0x32},
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{0x0224, 0x01},
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{0x0225, 0xF4},
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{0x0204, 0x00},
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{0x0205, 0x00},
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{0x020E, 0x01},
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{0x020F, 0x00},
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{0x0210, 0x01},
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{0x0211, 0x00},
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{0x0212, 0x01},
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{0x0213, 0x00},
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{0x0214, 0x01},
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{0x0215, 0x00},
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{0x0216, 0x00},
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{0x0217, 0x00},
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{0x4170, 0x00},
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{0x4171, 0x10},
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{0x4176, 0x00},
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{0x4177, 0x3C},
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{0xAE20, 0x04},
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{0xAE21, 0x5C},
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};
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static struct regval_list sensor_1080p_regs[] = {
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{0x0114, 0x03},
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{0x0220, 0x00},
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{0x0221, 0x11},
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{0x0222, 0x01},
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{0x0340, 0x08},
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{0x0341, 0x50},
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{0x0342, 0x13},
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{0x0343, 0x90},
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{0x0344, 0x00},
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{0x0345, 0xB8},
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{0x0346, 0x01},
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{0x0347, 0xE0},
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{0x0348, 0x0F},
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{0x0349, 0xB7},
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{0x034A, 0x0A},
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{0x034B, 0x4F},
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{0x0381, 0x01},
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{0x0383, 0x01},
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{0x0385, 0x01},
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{0x0387, 0x01},
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{0x0900, 0x01},
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{0x0901, 0x22},
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{0x0902, 0x02},
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{0x3000, 0x35},
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{0x3054, 0x01},
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{0x305C, 0x11},
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{0x0112, 0x0A},
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{0x0113, 0x0A},
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{0x034C, 0x07},
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{0x034D, 0x80},
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{0x034E, 0x04},
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{0x034F, 0x38},
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{0x0401, 0x00},
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{0x0404, 0x00},
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{0x0405, 0x10},
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{0x0408, 0x00},
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{0x0409, 0x00},
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{0x040A, 0x00},
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{0x040B, 0x00},
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{0x040C, 0x07},
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{0x040D, 0x80},
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{0x040E, 0x04},
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{0x040F, 0x38},
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{0x0301, 0x05},
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{0x0303, 0x02},
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{0x0305, 0x03},
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{0x0306, 0x00},
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{0x0307, 0x64},
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{0x0309, 0x0A},
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{0x030B, 0x01},
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{0x0310, 0x00},
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{0x0820, 0x0C},
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{0x0821, 0x80},
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{0x0822, 0x00},
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{0x0823, 0x00},
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{0x3A03, 0x06},
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{0x3A04, 0x28},
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{0x3A05, 0x04},
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{0x0B06, 0x01},
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{0x30A2, 0x00},
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{0x30B4, 0x00},
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{0x3A02, 0xFF},
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{0x3011, 0x00},
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{0x3013, 0x01},
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{0x0202, 0x08},
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{0x0203, 0x46},
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{0x0224, 0x01},
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{0x0225, 0xF4},
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{0x0204, 0x00},
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{0x0205, 0x00},
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{0x020E, 0x01},
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{0x020F, 0x00},
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{0x0210, 0x01},
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{0x0211, 0x00},
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{0x0212, 0x01},
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{0x0213, 0x00},
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{0x0214, 0x01},
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{0x0215, 0x00},
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{0x0216, 0x00},
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{0x0217, 0x00},
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{0x4170, 0x00},
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{0x4171, 0x10},
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{0x4176, 0x00},
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{0x4177, 0x3C},
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{0xAE20, 0x04},
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{0xAE21, 0x5C},
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{0x0138, 0x01},
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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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|
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static struct regval_list sensor_fmt_raw[] = {
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};
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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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|
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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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|
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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, exphigh;
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struct sensor_info *info = to_state(sd);
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|
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if (exp_val > 0xffffff)
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exp_val = 0xfffff0;
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if (exp_val < 16)
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exp_val = 16;
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|
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exp_val = (exp_val+8)>>4; /* rounding to 1 */
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|
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exphigh = (unsigned char) ((0xff00&exp_val)>>8);
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explow = (unsigned char) ((0x00ff&exp_val));
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|
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sensor_write(sd, 0x0203, explow); /* coarse integration time */
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sensor_write(sd, 0x0202, exphigh);
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|
|
|
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;
|
|
int gainana = 512 - 8192/gain_val;
|
|
|
|
gainlow = (unsigned char)(gainana&0xff);
|
|
gainhigh = (unsigned char)((gainana>>8)&0xff);
|
|
|
|
sensor_write(sd, 0x0205, gainlow);
|
|
sensor_write(sd, 0x0204, gainhigh);
|
|
|
|
info->gain = gain_val;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_s_exp_gain(struct v4l2_subdev *sd,
|
|
struct sensor_exp_gain *exp_gain)
|
|
{
|
|
int exp_val, gain_val, shutter, frame_length;
|
|
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;
|
|
|
|
shutter = exp_val/16;
|
|
if (shutter > imx214_sensor_vts)
|
|
frame_length = shutter;
|
|
else
|
|
frame_length = imx214_sensor_vts;
|
|
|
|
/* sensor_write(sd, 0x0341, (frame_length & 0xff)); */
|
|
/* sensor_write(sd, 0x0340, (frame_length >> 8)); */
|
|
|
|
sensor_write(sd, 0x0104, 0x01);
|
|
sensor_s_exp(sd, exp_val);
|
|
sensor_s_gain(sd, gain_val);
|
|
sensor_write(sd, 0x0104, 0x00);
|
|
|
|
if (gain_val > 64) {
|
|
sensor_write(sd, 0x30a2, 0x03); /* enable LNR CNR */
|
|
sensor_write(sd, 0x9706, (gain_val-64)/12); /* LNR 0x00~0x10 */
|
|
sensor_write(sd, 0x9e25, (gain_val-64)); /* CNR 0x00~0x8c */
|
|
} else
|
|
sensor_write(sd, 0x30a2, 0x00);
|
|
|
|
info->exp = exp_val;
|
|
info->gain = gain_val;
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* 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");
|
|
cci_lock(sd);
|
|
vfe_gpio_write(sd, RESET, 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);
|
|
msleep(20);
|
|
cci_unlock(sd);
|
|
vfe_gpio_write(sd, RESET, CSI_GPIO_HIGH);
|
|
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);
|
|
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);
|
|
usleep_range(10000, 12000);
|
|
vfe_gpio_write(sd, PWDN, CSI_GPIO_HIGH);
|
|
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, PWDN, CSI_GPIO_LOW);
|
|
vfe_gpio_write(sd, RESET, 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&0x0f) != 0x02) */
|
|
/* return -ENODEV; */
|
|
|
|
LOG_ERR_RET(sensor_read(sd, 0x0001, &rdval));
|
|
/* if(rdval != 0x14) */
|
|
/* return -ENODEV; */
|
|
vfe_dev_print("find the sony IMX214 ***********\n");
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_init(struct v4l2_subdev *sd, u32 val)
|
|
{
|
|
int ret;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_init\n");
|
|
|
|
/* Make sure it is a target sensor */
|
|
ret = sensor_detect(sd);
|
|
if (ret) {
|
|
vfe_dev_err("chip found is not an target chip.\n");
|
|
return ret;
|
|
}
|
|
|
|
vfe_get_standby_mode(sd, &info->stby_mode);
|
|
|
|
if ((info->stby_mode == HW_STBY || info->stby_mode == SW_STBY)
|
|
&& info->init_first_flag == 0) {
|
|
vfe_dev_print("stby_mode and init_first_flag = 0\n");
|
|
return 0;
|
|
}
|
|
|
|
info->focus_status = 0;
|
|
info->low_speed = 0;
|
|
info->width = 4208;
|
|
info->height = 3120;
|
|
info->hflip = 0;
|
|
info->vflip = 0;
|
|
info->gain = 0;
|
|
|
|
info->tpf.numerator = 1;
|
|
info->tpf.denominator = 30; /* 30fps */
|
|
|
|
ret = sensor_write_array(sd, sensor_default_regs,
|
|
ARRAY_SIZE(sensor_default_regs));
|
|
if (ret < 0) {
|
|
vfe_dev_err("write sensor_default_regs error\n");
|
|
return ret;
|
|
}
|
|
|
|
if (info->stby_mode == 0)
|
|
info->init_first_flag = 0;
|
|
|
|
info->preview_first_flag = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static long sensor_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
|
{
|
|
int ret = 0;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
switch (cmd) {
|
|
case GET_CURRENT_WIN_CFG:
|
|
if (info->current_wins != NULL) {
|
|
memcpy(arg,
|
|
info->current_wins,
|
|
sizeof(struct sensor_win_size));
|
|
ret = 0;
|
|
} else {
|
|
vfe_dev_err("empty wins!\n");
|
|
ret = -1;
|
|
}
|
|
break;
|
|
case SET_FPS:
|
|
break;
|
|
case ISP_SET_EXP_GAIN:
|
|
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; */
|
|
u32 mbus_code;
|
|
struct regval_list *regs;
|
|
int regs_size;
|
|
int bpp; /* Bytes per pixel */
|
|
} sensor_formats[] = {
|
|
{
|
|
.desc = "Raw RGB Bayer",
|
|
.mbus_code = MEDIA_BUS_FMT_SBGGR10_1X10,
|
|
.regs = sensor_fmt_raw,
|
|
.regs_size = ARRAY_SIZE(sensor_fmt_raw),
|
|
.bpp = 1
|
|
},
|
|
};
|
|
#define N_FMTS ARRAY_SIZE(sensor_formats)
|
|
|
|
|
|
|
|
/*
|
|
* Then there is the issue of window sizes. Try to capture the info here.
|
|
*/
|
|
|
|
|
|
static struct sensor_win_size sensor_win_sizes[] = {
|
|
#if 1
|
|
/* Fullsize: 4208*3120 */
|
|
{
|
|
.width = 4208,
|
|
.height = 3120,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 5008,
|
|
.vts = 3194,
|
|
.pclk = 320*1000*1000,
|
|
.mipi_bps = 800*1000*1000,
|
|
.fps_fixed = 2,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = (3194-10)<<4,
|
|
.gain_min = 16,
|
|
.gain_max = (16<<4),
|
|
.regs = sensor_13mega_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_13mega_regs),
|
|
.set_size = NULL,
|
|
},
|
|
#endif
|
|
#if 1
|
|
/*4k video*/
|
|
{
|
|
.width = 3840,
|
|
.height = 2160,
|
|
.hoffset = 0, /* (4096-3840)>>1, */
|
|
.voffset = 0,
|
|
.hts = 5008,
|
|
.vts = 2362, /* 2200, */
|
|
.pclk = 355*1000*1000, /* 320 */
|
|
.mipi_bps = 888*1000*1000, /* 800 */
|
|
.fps_fixed = 2,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = (2362-10)<<4,
|
|
.gain_min = 16,
|
|
.gain_max = (16<<4),
|
|
.regs = sensor_4k_videos,
|
|
.regs_size = ARRAY_SIZE(sensor_4k_videos),
|
|
.set_size = NULL,
|
|
},
|
|
|
|
/* 1080p */
|
|
{
|
|
.width = 1920,
|
|
.height = 1080,
|
|
.hoffset = 0,
|
|
.voffset = 0,
|
|
.hts = 5008,
|
|
.vts = 2128,
|
|
.pclk = 320*1000*1000,
|
|
.mipi_bps = 800*1000*1000,
|
|
.fps_fixed = 1,
|
|
.bin_factor = 1,
|
|
.intg_min = 16,
|
|
.intg_max = (2128-10)<<4,
|
|
.gain_min = 16,
|
|
.gain_max = (16<<4),
|
|
.regs = sensor_1080p_regs,
|
|
.regs_size = ARRAY_SIZE(sensor_1080p_regs),
|
|
.set_size = NULL,
|
|
},
|
|
#endif
|
|
|
|
};
|
|
|
|
#define N_WIN_SIZES (ARRAY_SIZE(sensor_win_sizes))
|
|
|
|
static int sensor_enum_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
if (code->index >= N_FMTS)
|
|
return -EINVAL;
|
|
|
|
code->code = sensor_formats[code->index].mbus_code;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_enum_frame_size(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
if (fse->index > N_WIN_SIZES-1)
|
|
return -EINVAL;
|
|
|
|
fse->min_width = sensor_win_sizes[fse->index].width;
|
|
fse->max_width = fse->min_width;
|
|
fse->min_height = sensor_win_sizes[fse->index].height;
|
|
fse->max_height = fse->min_height;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static int sensor_try_fmt_internal(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_framefmt *fmt,
|
|
struct sensor_format_struct **ret_fmt,
|
|
struct sensor_win_size **ret_wsize)
|
|
{
|
|
int index;
|
|
struct sensor_win_size *wsize;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
for (index = 0; index < N_FMTS; index++)
|
|
if (sensor_formats[index].mbus_code == fmt->code)
|
|
break;
|
|
|
|
if (index >= N_FMTS)
|
|
return -EINVAL;
|
|
|
|
if (ret_fmt != NULL)
|
|
*ret_fmt = sensor_formats + index;
|
|
|
|
/*
|
|
* Fields: the sensor devices claim to be progressive.
|
|
*/
|
|
fmt->field = V4L2_FIELD_NONE;
|
|
|
|
/*
|
|
* Round requested image size down to the nearest
|
|
* we support, but not below the smallest.
|
|
*/
|
|
for (wsize = sensor_win_sizes; wsize < sensor_win_sizes + N_WIN_SIZES; wsize++)
|
|
if (fmt->width >= wsize->width && fmt->height >= wsize->height)
|
|
break;
|
|
|
|
if (wsize >= sensor_win_sizes + N_WIN_SIZES)
|
|
wsize--; /* Take the smallest one */
|
|
if (ret_wsize != NULL)
|
|
*ret_wsize = wsize;
|
|
/*
|
|
* Note the size we'll actually handle.
|
|
*/
|
|
fmt->width = wsize->width;
|
|
fmt->height = wsize->height;
|
|
info->current_wins = wsize;
|
|
return 0;
|
|
}
|
|
|
|
static int sensor_get_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmat)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &fmat->format;
|
|
|
|
return sensor_try_fmt_internal(sd, fmt, NULL, NULL);
|
|
}
|
|
|
|
static int sensor_g_mbus_config(struct v4l2_subdev *sd,
|
|
struct v4l2_mbus_config *cfg)
|
|
{
|
|
cfg->type = V4L2_MBUS_CSI2;
|
|
cfg->flags = 0|V4L2_MBUS_CSI2_4_LANE|V4L2_MBUS_CSI2_CHANNEL_0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Set a format.
|
|
*/
|
|
static int sensor_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *fmat)
|
|
{
|
|
int ret;
|
|
struct v4l2_mbus_framefmt *fmt = &fmat->format;
|
|
struct sensor_format_struct *sensor_fmt;
|
|
struct sensor_win_size *wsize;
|
|
struct sensor_info *info = to_state(sd);
|
|
|
|
vfe_dev_dbg("sensor_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;
|
|
imx214_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_g_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sensor_info *info =
|
|
container_of(ctrl->handler, struct sensor_info, handler);
|
|
struct v4l2_subdev *sd = &info->sd;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_g_gain(sd, &ctrl->val);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_g_exp(sd, &ctrl->val);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
static int sensor_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct sensor_info *info =
|
|
container_of(ctrl->handler, struct sensor_info, handler);
|
|
struct v4l2_subdev *sd = &info->sd;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_GAIN:
|
|
return sensor_s_gain(sd, ctrl->val);
|
|
case V4L2_CID_EXPOSURE:
|
|
return sensor_s_exp(sd, ctrl->val);
|
|
}
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
static const struct v4l2_ctrl_ops sensor_ctrl_ops = {
|
|
.g_volatile_ctrl = sensor_g_ctrl,
|
|
.s_ctrl = sensor_s_ctrl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops sensor_core_ops = {
|
|
.reset = sensor_reset,
|
|
.init = sensor_init,
|
|
.s_power = sensor_power,
|
|
.ioctl = sensor_ioctl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_video_ops sensor_video_ops = {
|
|
.s_parm = sensor_s_parm,
|
|
.g_parm = sensor_g_parm,
|
|
.g_mbus_config = sensor_g_mbus_config,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops sensor_pad_ops = {
|
|
.enum_mbus_code = sensor_enum_code,
|
|
.enum_frame_size = sensor_enum_frame_size,
|
|
.get_fmt = sensor_get_fmt,
|
|
.set_fmt = sensor_set_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops sensor_ops = {
|
|
.core = &sensor_core_ops,
|
|
.video = &sensor_video_ops,
|
|
.pad = &sensor_pad_ops,
|
|
};
|
|
|
|
/* ------------------------------------------------------------------- */
|
|
static struct cci_driver cci_drv = {
|
|
.name = SENSOR_NAME,
|
|
.addr_width = CCI_BITS_16,
|
|
.data_width = CCI_BITS_8,
|
|
};
|
|
|
|
static const struct v4l2_ctrl_config sensor_custom_ctrls[] = {
|
|
{
|
|
.ops = &sensor_ctrl_ops,
|
|
.id = V4L2_CID_FRAME_RATE,
|
|
.name = "frame rate",
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.min = 15,
|
|
.max = 120,
|
|
.step = 1,
|
|
.def = 120,
|
|
},
|
|
};
|
|
|
|
static int sensor_init_controls(struct v4l2_subdev *sd, const struct v4l2_ctrl_ops *ops)
|
|
{
|
|
struct sensor_info *info = to_state(sd);
|
|
struct v4l2_ctrl_handler *handler = &info->handler;
|
|
struct v4l2_ctrl *ctrl;
|
|
int ret = 0;
|
|
int i;
|
|
|
|
v4l2_ctrl_handler_init(handler, 2 + ARRAY_SIZE(sensor_custom_ctrls));
|
|
|
|
ctrl = v4l2_ctrl_new_std(handler, ops, V4L2_CID_GAIN, 1*16, 64*16-1, 1, 1*16);
|
|
if (ctrl != NULL)
|
|
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
|
|
ctrl = v4l2_ctrl_new_std(handler, ops, V4L2_CID_EXPOSURE, 0, 65536*16, 1, 0);
|
|
if (ctrl != NULL)
|
|
ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE;
|
|
for (i = 0; i < ARRAY_SIZE(sensor_custom_ctrls); i++)
|
|
v4l2_ctrl_new_custom(handler, &sensor_custom_ctrls[i], NULL);
|
|
|
|
if (handler->error) {
|
|
ret = handler->error;
|
|
v4l2_ctrl_handler_free(handler);
|
|
}
|
|
|
|
sd->ctrl_handler = handler;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int sensor_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct v4l2_subdev *sd;
|
|
struct sensor_info *info;
|
|
|
|
info = kzalloc(sizeof(struct sensor_info), GFP_KERNEL);
|
|
if (info == NULL)
|
|
return -ENOMEM;
|
|
sd = &info->sd;
|
|
glb_sd = sd;
|
|
sensor_init_controls(sd, &sensor_ctrl_ops);
|
|
cci_dev_probe_helper(sd, client, &sensor_ops, &cci_drv);
|
|
|
|
info->fmt = &sensor_formats[0];
|
|
info->af_first_flag = 1;
|
|
info->init_first_flag = 1;
|
|
|
|
return 0;
|
|
}
|
|
static int sensor_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd;
|
|
|
|
sd = cci_dev_remove_helper(client, &cci_drv);
|
|
kfree(to_state(sd));
|
|
return 0;
|
|
}
|
|
|
|
static const struct i2c_device_id sensor_id[] = {
|
|
{SENSOR_NAME, 0},
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, sensor_id);
|
|
|
|
|
|
static struct i2c_driver sensor_driver = {
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = SENSOR_NAME,
|
|
},
|
|
.probe = sensor_probe,
|
|
.remove = sensor_remove,
|
|
.id_table = sensor_id,
|
|
};
|
|
static __init int init_sensor(void)
|
|
{
|
|
return cci_dev_init_helper(&sensor_driver);
|
|
}
|
|
|
|
static __exit void exit_sensor(void)
|
|
{
|
|
cci_dev_exit_helper(&sensor_driver);
|
|
}
|
|
|
|
module_init(init_sensor);
|
|
module_exit(exit_sensor);
|
|
|