MTK Camera（OV13850） 驱动移植

一、驱动源码包结构

拿到的驱动源码包解压后得到hal和kernel两个目录文件，源码目录结构如下所示

13850-6592-driver-10-28.7z

|--hal

|  |--camera_AE_PLineTable_ov13850mipiraw.h

|  |--camera_calibration_cam_cal.cpp

|  |--camera_flicker_para_ov13850mipiraw.cpp

|  |--camera_info_ov13850mipiraw.h

|  |--camera_isp_lsc_ov13850mipiraw.h

|  |--camera_isp_pca_ov13850mipiraw.h

|  |--camera_isp_regs_ov13850mipiraw.h

|  |--camera_tsf_data_ov13850mipiraw.h

|  |--camera_tsf_para_ov13850mipiraw.h

|  |--camera_tuning_para_ov13850mipiraw.cpp

|  |--config.ftbl.ov13850_mipi_raw.h

|--kernel

|  |--ov13850mipiraw_Camera_Sensor_para.h

|  |--ov13850mipiraw_CameraCustomized.h

|  |--ov13850mipiraw_Sensor.c

|  |--ov13850mipiraw_Sensor.h

二、ov13850驱动移植记录

1、kernel

Sensor：

• 在mediatek\custom\common\kernel\imgsensor\目录下增加ov13850_mipi_raw文件夹，把驱动源码kernel目录中所有文件copy进来。
• 修改mediatek\custom\common\kernel\imgsensor\inc\kd_imgsensor.h文件，增加ov13850 SENSOR_ID和SENSOR_DRVNAME定义

#define OV13850_SENSOR_ID             0xD850
#define SENSOR_DRVNAME_OV13850_MIPI_RAW   "ov13850mipiraw"

• 修改mediatek\custom\common\kernel\imgsensor\src\kd_sensorlist.h

增加OV13850_MIPI_RAW_SensorInit函数声明

UINT32 OV13850_MIPI_RAW_SensorInit(PSENSOR_FUNCTION_STRUCT *pfFunc);

在kdSensorList数组中增加OV13850配置

ACDK_KD_SENSOR_INIT_FUNCTION_STRUCT kdSensorList[MAX_NUM_OF_SUPPORT_SENSOR+1] =
{
...
#if defined(OV13850_MIPI_RAW)
    {OV13850_SENSOR_ID, SENSOR_DRVNAME_OV13850_MIPI_RAW, OV13850_MIPI_RAW_SensorInit},
#endif
...
}

• 在mediatek\custom\wind92_wet_tdd\kernel\camera\camera\kd_camera_hw.c里，增加对OV13850的供电配置，参考OV12830和datasheet。由于OV12830和OV13850供电配置一样，所以copy12830，更改下名字即可。

int kdCISModulePowerOn(CAMERA_DUAL_CAMERA_SENSOR_ENUM SensorIdx, char *currSensorName, BOOL On, char* mode_name)
{
//...
else if (currSensorName && (0 == strcmp(SENSOR_DRVNAME_OV13850_MIPI_RAW,currSensorName)))
{
    printk("MYCAT kdCISModulePowerOn  SENSOR_DRVNAME_OV13850_MIPI_RAW \n");
    printk("MYCAT OV13850_RAW idx:%d \n",SensorIdx);
    #ifdef  __MAINSENSOR_USE_LDO_1_2V__

    if (mt_set_gpio_pull_enable(CAMERA_POWER_VCAM_D_LDO_PIN, GPIO_PULL_DISABLE))    {PK_DBG("[CAMERA SENSOR] CAMERA_POWER_VCAM_D_LDO_PIN pull failed! \n"); }
    if (mt_set_gpio_mode(CAMERA_POWER_VCAM_D_LDO_PIN, GPIO_MODE_00)){PK_DBG("[CAMERA SENSOR] CAMERA_POWER_VCAM_D_LDO_PIN mode failed! \n");}
    if (mt_set_gpio_dir(CAMERA_POWER_VCAM_D_LDO_PIN,GPIO_DIR_OUT)) {PK_DBG("[CAMERA SENSOR] CAMERA_POWER_VCAM_D_LDO_PIN dir failed! \n");}
    if (mt_set_gpio_out(CAMERA_POWER_VCAM_D_LDO_PIN,GPIO_OUT_ONE)) {PK_DBG("[CAMERA SENSOR] CAMERA_POWER_VCAM_D_LDO_PIN out failed! \n");}

    #else

    // printk("MYCAT S5KH2_RAW POWER ON LDO D\n");
    if (TRUE != hwPowerOn(CAMERA_POWER_VCAM_D, VOL_1200,mode_name))
    {
        PK_DBG("[CAMERA SENSOR] Fail to enable digital power\n");
        //return -EIO;
        goto _kdCISModulePowerOn_exit_;
    }


    #endif

    //printk("MYCAT S5KH2_RAW POWER ON LDO A\n");

    if (TRUE != hwPowerOn(CAMERA_POWER_VCAM_A, VOL_2800,mode_name))
    {
"white-space:pre">       PK_DBG("[CAMERA SENSOR] Fail to enable analog power\n");
        //return -EIO;
        goto _kdCISModulePowerOn_exit_;
    }

    //printk("MYCAT S5KH2_RAW POWER ON LDO D2\n");

    if (TRUE != hwPowerOn(CAMERA_POWER_VCAM_D2, VOL_1800,mode_name))
    {
        PK_DBG("[CAMERA SENSOR] Fail to enable digital power\n");
        //return -EIO;
        goto _kdCISModulePowerOn_exit_;
    }
    //printk("MYCAT S5KH2_RAW POWER ON LDO A2\n");
    if (TRUE != hwPowerOn(CAMERA_POWER_VCAM_A2, VOL_2800,mode_name))
    {
        PK_DBG("[CAMERA SENSOR] Fail to enable analog power\n");
        //return -EIO;
        goto _kdCISModulePowerOn_exit_;
    }
    msleep(5);

    //disable inactive sensor
    if (pinSetIdx == 0 || pinSetIdx == 2)
    {//disable sub
    "white-space:pre">    if (GPIO_CAMERA_INVALID != pinSet[1][IDX_PS_CMRST])
        {
            if (mt_set_gpio_mode(pinSet[1][IDX_PS_CMRST],pinSet[1][IDX_PS_CMRST+IDX_PS_MODE])){PK_DBG("[CAMERA SENSOR] set gpio mode failed!! \n");}
            if (mt_set_gpio_mode(pinSet[1][IDX_PS_CMPDN],pinSet[1][IDX_PS_CMPDN+IDX_PS_MODE])){PK_DBG("[CAMERA LENS] set gpio mode failed!! \n");}
            if (mt_set_gpio_dir(pinSet[1][IDX_PS_CMRST],GPIO_DIR_OUT)){PK_DBG("[CAMERA SENSOR] set gpio dir failed!! \n");}
            if (mt_set_gpio_dir(pinSet[1][IDX_PS_CMPDN],GPIO_DIR_OUT)){PK_DBG("[CAMERA LENS] set gpio dir failed!! \n");}
            if (mt_set_gpio_out(pinSet[1][IDX_PS_CMRST],pinSet[1][IDX_PS_CMRST+IDX_PS_OFF])){PK_DBG("[CAMERA SENSOR] set gpio failed!! \n");} //low == reset sensor
            if (mt_set_gpio_out(pinSet[1][IDX_PS_CMPDN],pinSet[1][IDX_PS_CMPDN+IDX_PS_OFF])){PK_DBG("[CAMERA LENS] set gpio failed!! \n");} //high == power down lens module
        }
    }
    else
    {
        if (GPIO_CAMERA_INVALID != pinSet[0][IDX_PS_CMRST])
        {
            if (mt_set_gpio_mode(pinSet[0][IDX_PS_CMRST],pinSet[0][IDX_PS_CMRST+IDX_PS_MODE])){PK_DBG("[CAMERA SENSOR] set gpio mode failed!! \n");}
            if (mt_set_gpio_mode(pinSet[0][IDX_PS_CMPDN],pinSet[0][IDX_PS_CMPDN+IDX_PS_MODE])){PK_DBG("[CAMERA LENS] set gpio mode failed!! \n");}
            if (mt_set_gpio_dir(pinSet[0][IDX_PS_CMRST],GPIO_DIR_OUT)){PK_DBG("[CAMERA SENSOR] set gpio dir failed!! \n");}
            if (mt_set_gpio_dir(pinSet[0][IDX_PS_CMPDN],GPIO_DIR_OUT)){PK_DBG("[CAMERA LENS] set gpio dir failed!! \n");}
            if (mt_set_gpio_out(pinSet[0][IDX_PS_CMRST],pinSet[0][IDX_PS_CMRST+IDX_PS_OFF])){PK_DBG("[CAMERA SENSOR] set gpio failed!! \n");} //low == reset sensor
            if (mt_set_gpio_out(pinSet[0][IDX_PS_CMPDN],pinSet[0][IDX_PS_CMPDN+IDX_PS_OFF])){PK_DBG("[CAMERA LENS] set gpio failed!! \n");} //high == power down lens module
        }
        if (GPIO_CAMERA_INVALID != pinSet[2][IDX_PS_CMRST])
        {

        }
    }
    //PDN/STBY pin
    if (GPIO_CAMERA_INVALID != pinSet[pinSetIdx][IDX_PS_CMRST])
    {
        if (mt_set_gpio_mode(pinSet[pinSetIdx][IDX_PS_CMRST],pinSet[pinSetIdx][IDX_PS_CMRST+IDX_PS_MODE])){PK_DBG("[CAMERA SENSOR] set gpio mode failed!! \n");}
        if (mt_set_gpio_dir(pinSet[pinSetIdx][IDX_PS_CMRST],GPIO_DIR_OUT)){PK_DBG("[CAMERA SENSOR] set gpio dir failed!! \n");}
        if (mt_set_gpio_out(pinSet[pinSetIdx][IDX_PS_CMRST],pinSet[pinSetIdx][IDX_PS_CMRST+IDX_PS_OFF])){PK_DBG("[CAMERA SENSOR] set gpio failed!! \n");}
        //PDN pin
        if (mt_set_gpio_mode(pinSet[pinSetIdx][IDX_PS_CMPDN],pinSet[pinSetIdx][IDX_PS_CMPDN+IDX_PS_MODE])){PK_DBG("[CAMERA LENS] set gpio mode failed!! \n");}
        if (mt_set_gpio_dir(pinSet[pinSetIdx][IDX_PS_CMPDN],GPIO_DIR_OUT)){PK_DBG("[CAMERA LENS] set gpio dir failed!! \n");}
        if (mt_set_gpio_out(pinSet[pinSetIdx][IDX_PS_CMPDN],pinSet[pinSetIdx][IDX_PS_CMPDN+IDX_PS_OFF])){PK_DBG("[CAMERA LENS] set gpio failed!! \n");}
        msleep(1);
        if (mt_set_gpio_out(pinSet[pinSetIdx][IDX_PS_CMPDN],pinSet[pinSetIdx][IDX_PS_CMPDN+IDX_PS_ON])){PK_DBG("[CAMERA LENS] set gpio failed!! \n");}
        msleep(1);
        if (mt_set_gpio_out(pinSet[pinSetIdx][IDX_PS_CMRST],pinSet[pinSetIdx][IDX_PS_CMRST+IDX_PS_ON])){PK_DBG("[CAMERA SENSOR] set gpio failed!! \n");}
        msleep(1);
        printk("OV13850 PWN RST\n");
    }
}
//...

Lens：

• 在mediatek\custom\common\kernel\lens\目录下参照ov12830af，增加ov13850af 目录和驱动源码OV13850AF.c。

• mediatek\custom\common\kernel\lens\inc\目录下参照ov12830af，增加ov13850af目录和OV13850AF.h头文件

2、HAL

Sensor：

• 在mediatek\custom\mt6592\hal\imgsensor\目录下增加ov13850_mipi_raw文件夹，将OV13850驱动源码包中的hal下文件，copy到该文件夹下。
• 修改mediatek\custom\common\hal\imgsensor\src\sensorlist.cpp增加OV13850的SensorList描述项。

MSDK_SENSOR_INIT_FUNCTION_STRUCT SensorList[] =
{
    ...
    #if defined(OV13850_MIPI_RAW)
        RAW_INFO(OV13850_SENSOR_ID, SENSOR_DRVNAME_OV13850_MIPI_RAW,NULL),
    #endif
    ...
}

Lens：

• 在mediatek\custom\common\hal\lens\下，增加ov13850af目录，参照ov12830增加lens_para_OV13850AF.cpp
• 修改mediatek\custom\out\wind92_wet_tdd\hal\lens\src\Lenslist.cpp在LensList数组项里增加OV13850AF描述项。

#if defined(OV13850AF)
extern PFUNC_GETLENSDEFAULT pOV13850AF_getDefaultData;
#endif

MSDK_LENS_INIT_FUNCTION_STRUCT LensList[MAX_NUM_OF_SUPPORT_LENS] =

{
    ...
    #if defined(OV13850AF)
        {OV13850_SENSOR_ID, OV13850AF_LENS_ID, "OV13850AF", pOV13850AF_getDefaultData},
    #endif
    ...
}

• 修改camera_custom_lens.h，增加OV13850_LENS_ID，这里根据序号累加。

#define OV13850AF_LENS_ID                    0x0008

3、修改ProductConfig.mk

CUSTOM_HAL_IMGSENSOR= ov13850_mipi_raw ov5648_mipi_raw
CUSTOM_HAL_LENS= ov13850af  dummy_lens
CUSTOM_HAL_MAIN_IMGSENSOR= ov13850_mipi_raw
CUSTOM_HAL_MAIN_LENS= ov13850af
CUSTOM_KERNEL_IMGSENSOR= ov13850_mipi_raw ov5648_mipi_raw
CUSTOM_KERNEL_LENS= ov13850af dummy_lens
CUSTOM_KERNEL_MAIN_IMGSENSOR= ov13850_mipi_raw
CUSTOM_KERNEL_MAIN_LENS= ov13850af

4、最后要修改init.rc 更改OV13850AF设备文件的权限，否则在open的时候会失败。