#ifndef __EXTD_FENCE_H__
#define __EXTD_FENCE_H__

#include <linux/mutex.h>
#include <linux/list.h>

#ifdef __cplusplus
extern "C" {
#endif


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

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;
};

struct extd_fence_buf_info {
	struct list_head list;
	unsigned int idx;
	int fence;
	struct ion_handle *hnd;
	unsigned int mva;
	unsigned int cache_sync;
};
struct extd_fence_sync_info {
	struct mutex mutex_lock;
	unsigned int layer_id;
	unsigned int fence_idx;
	unsigned int timeline_idx;
	unsigned int inc;
	unsigned int cur_idx;
	struct list_head buf_list;
};

void extd_init_fence(void);
unsigned int extd_query_buf_mva(unsigned int layer, unsigned int idx);
struct extd_fence_buf_info* extd_init_buf_info(struct extd_fence_buf_info *buf);
void extd_release_fence(unsigned int layer,int fence) ;
void extd_release_layer_fence(unsigned int layer);
struct extd_fence_buf_info* extd_prepare_buf(struct fb_overlay_buffer_t *buf);
int extd_fence_clean_thread(void *data);
int extd_fence_timeline_index();

#ifdef __cplusplus
}
#endif


#endif