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/*
* Copyright (C) 2012 Spreadtrum Communications Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _SPRD_FENCE_H_
#define _SPRD_FENCE_H_
#include <linux/mutex.h>
#include <linux/types.h>
#include <linux/sync.h>
#include <video/ion_sprd.h>
struct sprd_sync_timeline {
struct sync_timeline obj;
u32 value;
};
struct sprd_sync_pt {
struct sync_pt pt;
u32 value;
};
struct sprd_sync_create_fence_data {
__u32 value;
char name[32];
__s32 fence; /* fd of new fence */
};
struct sync_timeline_data {
int timeline_value;
struct mutex sync_mutex;
struct sprd_sync_timeline *timeline;
};
extern int open_sprd_sync_timeline(void);
extern int close_sprd_sync_timeline(void);
extern int sprd_fence_build(struct ion_fence_data *data);
extern int sprd_fence_destroy(struct ion_fence_data *data);
extern int sprd_fence_signal(struct ion_fence_data *data);
extern int sprd_fence_wait(int fence_fd);
extern struct sync_pt *sprd_fence_dup(struct sync_pt *sync_pt);
#endif
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