325 lines
11 KiB
C
325 lines
11 KiB
C
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/**
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* @file cm_camera_sensor.h
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* @brief 相机硬件驱动适配接口
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* @copyright Copyright @2023 China Mobile IOT. All rights reserved.
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* @author By chenxy
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* @date 2023/03/13
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*
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* @defgroup camera
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* @ingroup camera
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* @{
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*/
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#ifndef __CM_CAMERA_SENSOR_H__
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#define __CM_CAMERA_SENSOR_H__
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <stdint.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* raw8 */
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#define MEDIA_BUS_FMT_SBGGR8_1X8 0x3001
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#define MEDIA_BUS_FMT_SGBRG8_1X8 0x3013
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#define MEDIA_BUS_FMT_SGRBG8_1X8 0x3002
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#define MEDIA_BUS_FMT_SRGGB8_1X8 0x3014
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/* raw10 */
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#define MEDIA_BUS_FMT_SBGGR10_1X10 0x3007
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#define MEDIA_BUS_FMT_SGBRG10_1X10 0x300e
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#define MEDIA_BUS_FMT_SGRBG10_1X10 0x300a
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#define MEDIA_BUS_FMT_SRGGB10_1X10 0x300f
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/* yuv422 */
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#define MEDIA_BUS_FMT_UYVY8_2X8 0x2006
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#define MEDIA_BUS_FMT_VYUY8_2X8 0x2007
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#define MEDIA_BUS_FMT_YUYV8_2X8 0x2008
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#define MEDIA_BUS_FMT_YVYU8_2X8 0x2009
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/**
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* @brief camera ata模式参数
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*/
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typedef struct {
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uint32_t on;
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int32_t read_crc_value;
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}cm_cam_sensor_ata_t;
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/**
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* @brief camera 频率
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*/
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typedef enum{
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CAM_BANDING_50HZ = 0,
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CAM_BANDING_60HZ = 1,
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CAM_BANDING_AUTO = 2,
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} cm_cam_sensor_banding;
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/**
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* @brief camera 曝光参数
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*/
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typedef struct {
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uint32_t exp_high;
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uint32_t exp_low;
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uint32_t gain;
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uint32_t aec_en;
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uint32_t min_fps;
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uint32_t max_fps;
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cm_cam_sensor_banding banding;
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uint32_t sensor_out_yuv;
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} cm_cam_sensor_aec_t;
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/**
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* @brief camera操作函数
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* @details 上层接口操作camera的实际驱动接口，内部需自行实现，目前系统只用到s_power、
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* ata_open、ata_open三个接口，其余预留，设置为NULL。
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*/
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typedef struct {
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int32_t *get_pixel_rate;
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int32_t *get_dphy_desc;
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int32_t *update_otp;
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int32_t (*s_power)(int32_t onoff); /*!< camera上下电 */
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int32_t (*ata_open)(cm_cam_sensor_ata_t *ata); /*!< 打开/关闭camera 模组进入test pattern的功能 */
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int32_t (*update_aec)(cm_cam_sensor_aec_t *aec); /*!< camera模组曝光参数设置 */
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int32_t *set_effect;
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int32_t *set_brightness;
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int32_t *set_contrast;
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int32_t *set_wb;
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int32_t *set_saturation;
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int32_t *set_banding;
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}cm_cam_sensor_spec_ops;
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/**
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* @brief i2c寄存器支持的数据宽度
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*/
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typedef enum {
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CAM_I2C_8BIT = 0,
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CAM_I2C_16BIT,
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CAM_I2C_32BIT
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}cm_cam_sensor_i2c_len;
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/**
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* @brief i2c寄存器地址及写入值
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*/
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typedef struct {
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uint16_t reg; /*!< 寄存器地址 */
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uint16_t val; /*!< 数据值 */
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uint16_t mask; /*!< 延时时间ms */
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}cm_cam_regval_tab;
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/**
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* @brief i2c寄存器操作表
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*/
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typedef struct {
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const cm_cam_regval_tab *tab; /*!< i2c寄存器操作表，可同时配置多个 */
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uint32_t num; /*!< i2c寄存器操作表个数 */
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}cm_cam_sensor_regs;
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/**
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* @brief i2c参数
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*/
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typedef struct {
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cm_cam_sensor_i2c_len reg_len; /*!< i2c寄存器宽度*/
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cm_cam_sensor_i2c_len val_len; /*!< i2c数据宽度*/
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uint8_t addr; /*!< i2c设备地址*/
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}cm_cam_sensor_i2c_attr;
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/**
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* @brief 预留参数相关结构体，暂无使用
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*/
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typedef struct {
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cm_cam_sensor_regs regs;
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int32_t sensor_out_format;
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}cm_cam_sensor_global;
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/**
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* @brief 预留参数相关结构体
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*/
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typedef enum {
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CAM_SENSOR_RES_BINING1,
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CAM_SENSOR_RES_BINING2,
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CAM_SENSOR_RES_CROPPED,
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CAM_SENSOR_RES_MAX,
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}cm_cam_sensor_res_prop;
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/**
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* @brief camera输出数据类型
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*/
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typedef enum {
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CAM_SENSOR_FMT_RAW8 = 0,
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CAM_SENSOR_FMT_ONLY_Y,
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CAM_SENSOR_FMT_RAW10,
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CAM_SENSOR_FMT_RAW12,
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CAM_SENSOR_FMT_YUV422,
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} cm_cam_sensor_fmt;
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/**
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* @brief camera参数设置及初始化
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*/
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typedef struct {
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uint32_t sensor_out_format; /*!< camera输出数据类型cm_cam_sensor_fmt*/
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uint16_t mbus_code; /*!< 多媒体总线数据类型，相机调试时，如果存在色变，可修改该值*/
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uint16_t width; /*!< camera输出width像素数*/
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uint16_t height; /*!< camera输出height像素数*/
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uint32_t hts; /*!< 行周期值*/
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uint32_t min_vts; /*!< 最小场周期值*/
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uint8_t max_fps; /*!< 最大帧率*/
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uint8_t min_fps; /*!< 最小帧率*/
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cm_cam_sensor_res_prop prop; /*!< 预留参数*/
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cm_cam_sensor_regs regs; /*!< 模组init代码*/
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}cm_cam_sensor_resolution;
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/**
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* @brief 预留参数结构体
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*/
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typedef struct {
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uint32_t id;
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char *name;/* as module id send to userspace, limit the size to 7 characters*/
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uint32_t apeture_size;
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}cm_cam_sensor_module;
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/**
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* @brief ISP 寄存器地址组及写入值
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*/
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typedef struct {
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uint16_t reg; /*!< 寄存器地址*/
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uint16_t val; /*!< 写入值*/
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}cm_isp_tuning_tab;
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/**
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* @brief ISP 寄存器操作表
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*/
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typedef struct {
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cm_isp_tuning_tab *tab; /*!< ISP寄存器操作表，可同时配置多个 */
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uint32_t num; /*!< ISP寄存器操作表，可同时配置多个 */
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}cm_isp_tuning_data;
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/**
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* @brief camera驱动结构体
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*/
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typedef struct {
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char * const name; /*!< camera名称 */
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cm_cam_sensor_spec_ops *ops; /*!< camera操作函数 */
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int32_t position; /*!< camera相机位置：0 后置，1 前置 */
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cm_cam_sensor_i2c_attr *i2c_attr; /*!< camera i2c参数*/
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int32_t num_i2c_attr; /*!< i2c挂载的设备数 */
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cm_cam_sensor_regs id; /*!< camera id寄存器地址及对应的预期值，用于判断camera是否匹配 */
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cm_cam_sensor_global *global_setting; /*!< 预留参数，暂未使用，可不设置 */
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int32_t num_global; /*!< 预留参数，暂未使用,可不设置 */
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cm_cam_sensor_resolution *res; /*!< camera参数设置及初始化 */
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int32_t num_res; /*!< camera参数设置的组数 */
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cm_cam_sensor_regs streamon; /*!< camera streamon需要用到的寄存器组及写入值 */
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cm_cam_sensor_regs streamoff; /*!< camera streamoff需要用到的寄存器组及写入值 */
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cm_cam_sensor_regs expo_reg; /*!< camera 曝光值需要用到的寄存器组及写入值 */
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cm_cam_sensor_regs vts_reg; /*!< camera 场周期值需要用到的寄存器组及写入值，预留值，暂未使用，可不设置 */
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cm_cam_sensor_regs gain_reg; /*!< camera 增益需要用到的寄存器组及写入值，预留值，暂未使用，可不设置 */
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cm_cam_sensor_regs hflip; /*!< camera 水平翻转需要用到的寄存器组及写入值，预留值，暂未使用，可不设置 */
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cm_cam_sensor_regs vflip; /*!< camera 垂直翻转需要用到的寄存器组及写入值，预留值，暂未使用，可不设置 */
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cm_cam_sensor_module *module; /*!< 预留参数，暂未使用，可不设置 */
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int32_t num_module; /*!< 预留参数，暂未使用，可不设置 */
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cm_isp_tuning_tab *tuning_tab; /*!< ISP 寄存器地址组及写入值，用于ISP图像优化，由芯片厂商提供，一般设置为NULL */
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int32_t num_tuning_tab; /*!< ISP 寄存器地址组数 */
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cm_isp_tuning_data banding_tab[2]; /*!< ISP 寄存器地址组及写入值，用于ISP图像优化，由芯片厂商提供，一般设置为NULL */
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int32_t interface_type; /*!< camera接口类型，目前只支持设置0（SPI） */
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uint8_t lane_num; /*!< camera具体的接口规格，目前只支持设置1（SPI_2_LAN） */
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uint8_t spi_sdr; /*!< SPI采样模式，0：sdr，即单边采样模式；1：ddr，即双边采样模式 */
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uint8_t spi_crc; /*!< ISP crc校验功能，0：不使能crc校验；1: 使能crc校验 */
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int32_t reset_delay; /*!< reset延迟，暂未使用，可不设置 */
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int32_t cur_i2c_index; /*!< i2c_attr中的I2C外设索引值，即当前使用哪一组i2c_attr */
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int32_t cur_res_index; /*!< res中的camera参数设置及初始化索引值，即当前使用哪一组res */
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}cm_cam_sensor_data_t;
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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/**
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* @brief 使能mclk
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*
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* @param [in] enable 使能(1 打开， 0 关闭)
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*
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* @return
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*
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* @details 用于相机上电逻辑，控制mclk时钟输出
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*/
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void cm_camera_sensor_set_mclk(int32_t enable);
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/**
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* @brief 设置驱动参数
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*
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* @param [in] data 驱动参数
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*
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* @return
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*
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* @details 操作相机前需设置
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*/
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void cm_camera_sensor_set_data(cm_cam_sensor_data_t *data);
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/**
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* @brief i2c读取
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*
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* @param [in] attr i2c参数
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* @param [in] reg 寄存器地址
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* @param [out] val 读取值
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*
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* @return 0 成功；-1 失败
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*
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* @details 通过i2c读取相机寄存器
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*/
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int32_t cm_camera_sensor_i2c_read(const cm_cam_sensor_i2c_attr *attr, uint32_t reg, uint32_t *val);
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/**
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* @brief i2c写
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*
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* @param [in] attr i2c参数
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* @param [in] regs 寄存器操作表
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*
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* @return 0 成功；-1 失败
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*
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* @details 通过i2c写相机寄存器
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*/
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int32_t cm_camera_sensor_i2c_write(const cm_cam_sensor_i2c_attr *attr, cm_cam_sensor_regs regs);
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/**
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* @brief i2c写（单个数据）
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*
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* @param [in] attr i2c参数
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* @param [in] reg 寄存器地址
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* @param [out] val 写入值
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*
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* @return 0 成功；-1 失败
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*
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* @details 通过i2c写相机寄存器
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*/
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int32_t cm_camera_sensor_i2c_write_single(const cm_cam_sensor_i2c_attr *attr, uint32_t reg, uint32_t val);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CM_CAMERA_SENSOR_H__ */
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/** @}*/
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