#ifndef __MTKFB_FENCE_H__
#define __MTKFB_FENCE_H__

#include <linux/mutex.h>
#include <linux/list.h>
#include "disp_session.h"
#include "disp_drv_platform.h"
#include "display_recorder.h"

#ifdef __cplusplus
extern "C" {
#endif


#define MTK_FB_INVALID_ION_FD	   (-1)
#define MTK_FB_INVALID_FENCE_FD    (-1)

#define MTK_FB_KERNEL_NO_ION_FD    (-99)

struct fb_overlay_buffer_t{
	//	Input
	int layer_id;
	unsigned int layer_en;
	int ion_fd;
	unsigned int cache_sync;
    // Output
	unsigned int index;
    int fence_fd;
};

typedef enum
{
    create,
    insert,
    reg_configed,
    reg_updated,
    read_done
} BUFFER_STATE;

struct mtkfb_fence_buf_info 
{
	struct list_head list;
	unsigned int idx;
	int fence;
	struct ion_handle *hnd;
	unsigned long mva;
	unsigned long va;
	unsigned int size;
	unsigned int mva_offset;
	BUFFER_STATE buf_state;
	unsigned int cache_sync;	
	unsigned int set_input_ticket;
	unsigned int trigger_ticket;		// we can't update trigger_ticket_end, because can't gurantee ticket being updated before cmdq callback
	unsigned int release_ticket;
	unsigned int enable;
	unsigned long long ts_create;
	unsigned long long ts_period_keep;
	unsigned int seq;
};

struct mtkfb_fence_sync_info 
{
	unsigned int inited;
	struct mutex mutex_lock;
	unsigned int layer_id;
	unsigned int fence_idx;
	unsigned int timeline_idx;
	unsigned int inc;
	unsigned int cur_idx;
	struct sw_sync_timeline *timeline;
	struct list_head buf_list;
};




// use another struct to avoid fence dependency with ddp_ovl.h
typedef struct
{
	unsigned int layer;
	unsigned int layer_en;
	unsigned int fmt;
	unsigned long addr;  
	unsigned long vaddr;
	unsigned int src_x;
	unsigned int src_y;
	unsigned int src_w;
	unsigned int src_h;
	unsigned int src_pitch;
	unsigned int dst_x;
	unsigned int dst_y;
	unsigned int dst_w;
	unsigned int dst_h;                  // clip region
	unsigned int keyEn;
	unsigned int key; 
	unsigned int aen; 
	unsigned char alpha;  

	unsigned int isDirty;

	unsigned int buff_idx;
	unsigned int security;
}FENCE_LAYER_INFO;

typedef struct 
{
	unsigned int inited;
	struct mutex sync_lock;
	unsigned int layer_id;
	unsigned int fence_idx;
	unsigned int timeline_idx;
	unsigned int fence_fd;
	unsigned int inc;
	unsigned int cur_idx;
	struct sw_sync_timeline *timeline;
	struct list_head buf_list;
	FENCE_LAYER_INFO cached_config;
}disp_sync_info;

typedef struct
{
	unsigned int session_id;
	disp_sync_info session_layer_info[DISP_SESSION_TIMELINE_COUNT];
	dprec_logger_event event_prepare;
	dprec_logger_event event_setinput;
	dprec_logger_event event_setoutput;	
	dprec_logger_event event_trigger;
	dprec_logger_event event_findidx;
	dprec_logger_event event_release;
	dprec_logger_event event_waitvsync;
	dprec_logger_event event_err;
}disp_session_sync_info;


void mtkfb_init_fence(void);
unsigned int mtkfb_query_buf_mva(unsigned int session_id, unsigned int layer_id, unsigned int idx);
unsigned int mtkfb_query_buf_va(unsigned int session_id, unsigned int layer_id, unsigned int idx) ;
unsigned int mtkfb_update_buf_ticket(unsigned int session_id, unsigned int layer_id, unsigned int idx, unsigned int ticket) ;
unsigned int mtkfb_query_idx_by_ticket(unsigned int session_id, unsigned int layer_id, unsigned int ticket) ;
unsigned int mtkfb_query_release_idx(unsigned int session_id, unsigned int layer_id, unsigned long phy_addr);
unsigned int mtkfb_query_frm_seq_by_addr(unsigned int session_id, unsigned int layer_id, unsigned int phy_addr) ;
bool mtkfb_update_buf_info(unsigned int session_id, unsigned int layer_id, unsigned int idx, unsigned int mva_offset, unsigned int seq);
struct mtkfb_fence_buf_info* mtkfb_init_buf_info(struct mtkfb_fence_buf_info *buf);
void mtkfb_release_fence(unsigned int session_id, unsigned int layer_id, int fence);
int mtkfb_find_fence_by_ticket(unsigned int session_id, int layer_id, int ticket);
void mtkfb_update_fence_set_input_ticket(unsigned int session_id, unsigned int layer_id, int fence, unsigned int ticket, int enable);
void mtkfb_update_present_fence_ticket(unsigned int session_id, int fence, unsigned int ticket);
void mtkfb_update_fence_trigger_ticket(unsigned int session_id, unsigned int layer_id, int fence, unsigned int ticket) ;
void mtkfb_release_present_fence(unsigned int session_id, int fence) ;
void mtkfb_release_layer_fence(unsigned int session_id, unsigned int layer_id);
//int mtkfb_get_present_fence(disp_present_fence_info *buf, unsigned int *fence_fd, unsigned int *idx);
int mtkfb_fence_clean_thread(void *data);
int mtkfb_fence_timeline_index();

struct mtkfb_fence_buf_info* disp_sync_prepare_buf(disp_buffer_info *buf);
int disp_sync_init(void) ;
int disp_sync_get_cached_layer_info(unsigned int session_id, unsigned int timeline_idx, unsigned int *layer_en, unsigned long *addr, unsigned int *fence_idx);
int disp_sync_put_cached_layer_info(unsigned int session_id, unsigned int timeline_idx, disp_input_config* src, unsigned long mva);

int disp_sync_convert_input_to_fence_layer_info(disp_input_config* src, FENCE_LAYER_INFO *dst, unsigned long dst_mva);
int disp_sync_find_fence_idx_by_addr(unsigned int session_id, unsigned int timeline_id, unsigned long phy_addr, unsigned int offset);
unsigned int disp_sync_query_buf_info(unsigned int session_id, unsigned int timeline_id, unsigned int idx, unsigned long *mva, unsigned int *size);
int disp_sync_get_debug_info(char* stringbuf, int buf_len);
int disp_sync_get_ovl_timeline_id(int layer_id);
int disp_sync_get_output_timeline_id(void);
int disp_sync_get_output_interface_timeline_id(void);
int disp_sync_get_present_timeline_id(void);
disp_session_sync_info *disp_get_session_sync_info_for_debug(unsigned int session_id);

#ifdef __cplusplus
}
#endif


#endif