驱动概述

.
├── fdc.c
├── fdc.h
├── fdc_static.c
├── fdc_hw.c
├── fdc_hw.h
├── fdc_g.c
├── fdc_common_hw.c
├── fdc_common_hw.h
├── fdp.c
├── fdp.h
├── fdp_static.c
├── fdp_phy.c
├── fdp_phy.h
├── fdp_hw.c
├── fdp_hw.h
├── fdp_g.c
├── fdp_aux.c
├── fdp_aux.h
├── fdp_edid.c
├── fdp_edia.h
├── fdp_audio.c
├── fdp_audio.h
├── fdcdp.c
├── fdcdp.h
├── fdcdp_intr.c

typedef struct
{
    /* fdc instace object */
    FDcCtrl dc_instance_p[FDCDP_INSTANCE_NUM];
    /* fdp instace object */
    FDpCtrl dp_instance_p[FDCDP_INSTANCE_NUM];
    /* user config;*/
    FDcDpUserConfig  user_config[FDCDP_INSTANCE_NUM];
   /*the intr config of dcdp*/
    FMediaIntrConfig intr_event[FDCDP_INTR_MAX_NUM];
    /*connect status ,1 :connected,0:disconnected*/
    u32 connect_flg[FDCDP_INSTANCE_NUM];
    /* Device is ininitialized and ready*/
     u32 is_ready; 
} FDcDp;
其中FdcPrivateParams结构体为dc模块相关变量，包含有时序，frambuffer，pannel,gamma,dither,cursor等等；FdpPrivateParams结构体为dp模块相关变量，包括有时序，传输参数，phy等等。

```c
dc 相关结构体定义
typedef struct
{
    FDcDtdTable dtd_table; /*the table of dtd params*/
    FDcSyncParameter sync_parameter[FDC_GOP_MAX_MODENUM];
    FDcDisplayFramebuffer framebuffer;
    FDcDisplayPanel panel;
    FDcDisplayGamma gamma;
    FDcDisplayDither dither;
    FDcDisplayDpMode dp_mode;
    FDcDisplayVideoMode video_mode; /*the params of video*/
    FDcDisplayCursor cursor;
    FDcDisplaySetting  display_setting[FDC_DISPLAY_ID_MAX_NUM];
} FDcCurrentConfig;

typedef struct
{
  u32 instance_id;         /* dc id */
  uintptr dcch_baseaddr;   /* DC channel register address*/
  uintptr dcctrl_baseaddr; /* DC control register address */
  u32 irq_num;             /* Device interrupt id */
} FDcConfig;

typedef struct
{
  FDcCurrentConfig fdc_currentconfig;
  FDcConfig config;
  u32 multi_mode; /* The display mode of the device , including clone, horizontal and vertical display*/

} FDcCtrl;

dp 相关结构体

typedef struct
{
    /* set the parameters of sync */
    FDpSyncParameter sync_parameter[DP_GOP_MAX_MODENUM];

    /*the trans config*/
    FDpTransmissionConfig transmission_config;

    /*audio config*/
    FDpAudioConfig audio_config;

    /* 当前状态 */
    FDpStatus status;

    u8 down_spread_enable;
#define DTD_MAX 4
    /* edid 缓冲数据 */
    FDpDtdTable dtd_table[DTD_MAX]; /* the max dtd num is 4 */

} FDpCurrentConfig;

typedef struct
{
  u32 instance_id;
  uintptr dp_channe_base_addr;
  uintptr dp_phy_base_addr;
  u32 irq_num;
} FDpConfig;

typedef struct
{
  FDpCurrentConfig fdp_current_config;
  FDpConfig config;
} FDpCtrl;

中断 相关结构体

typedef enum
{
    FDCDP_HPD_IRQ_CONNECTED = 0, /* hpd 中断 */
    FDCDP_HPD_IRQ_DISCONNECTED,
    FDCDP_AUX_REPLY_TIMEOUT,
    FDCDP_AUX_REPLY_ERROR,

    FDCDP_INTR_MAX_NUM
} FDcDpIntrEventType;

typedef void (*FDcDpIntrHandler )(void *param, u32 index);

typedef struct 
{
  FDcDpIntrEventType;  /* data */
  FDcDpIntrHandler   handler;
  void *param;
} FMediaIntrConfig;

FDcConfig *FDcLookupConfig(u32 instance_id)
FDpConfig *FDpLookupConfig(u32 instance_id)

FError FDcDpInitial(FDcDp *instance_p,u32 channel);

void FDcDpRegisterHandler(FDcDp *instance_p, FDcDpIntrEventType type,FMediaIntrHandler  handler,void *param)

void FDcDpInterruptHandler(s32 vector, void *args);

s32 vector 中断返回值
void *irq_args 回调结构体指针

void FDcDpIrqEnable(FDcDp *instance_p,u32 index, FDcDpIntrEventType intr_event_p);

FDcDp *instance_p dcdp驱动实例
u32 index   通道序号
FMediaIntrConfig intr_event_p 中断类型

FError FDcConfigInit(FDcCtrl *instance_p);

FDcCtrl *instance_p dc驱动实例

FError FDpInit(FDcCtrl *dc_config, FDpCtrl *dp_config, FDcDisplaySetting *gop_mode, u32 mode_id);

FDcCtrl *dc_config dc驱动实例
FDpCtrl *dp_config dp驱动实例
FDcDisplaySetting *gop_mode   显示时序参数
u32 mode_id 显示参数模式号