| /* Copyright (c) 2015-2017, The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * 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 SDE_ROTATOR_SYNC_H |
| #define SDE_ROTATOR_SYNC_H |
| |
| #include <linux/types.h> |
| #include <linux/errno.h> |
| |
| struct sde_rot_sync_fence; |
| struct sde_rot_timeline; |
| |
| #if defined(CONFIG_SYNC_FILE) |
| struct sde_rot_timeline *sde_rotator_create_timeline(const char *name); |
| |
| void sde_rotator_destroy_timeline(struct sde_rot_timeline *tl); |
| |
| struct sde_rot_sync_fence *sde_rotator_get_sync_fence( |
| struct sde_rot_timeline *tl, int *fence_fd, u32 *timestamp); |
| |
| void sde_rotator_resync_timeline(struct sde_rot_timeline *tl); |
| |
| u32 sde_rotator_get_timeline_commit_ts(struct sde_rot_timeline *tl); |
| |
| u32 sde_rotator_get_timeline_retire_ts(struct sde_rot_timeline *tl); |
| |
| int sde_rotator_inc_timeline(struct sde_rot_timeline *tl, int increment); |
| |
| void sde_rotator_put_sync_fence(struct sde_rot_sync_fence *fence); |
| |
| int sde_rotator_wait_sync_fence(struct sde_rot_sync_fence *fence, |
| long timeout); |
| |
| struct sde_rot_sync_fence *sde_rotator_get_fd_sync_fence(int fd); |
| |
| int sde_rotator_get_sync_fence_fd(struct sde_rot_sync_fence *fence); |
| |
| #else |
| static inline |
| struct sde_rot_timeline *sde_rotator_create_timeline(const char *name) |
| { |
| return NULL; |
| } |
| |
| static inline |
| void sde_rotator_destroy_timeline(struct sde_rot_timeline *tl) |
| { |
| } |
| |
| static inline |
| struct sde_rot_sync_fence *sde_rotator_get_sync_fence( |
| struct sde_rot_timeline *tl, int *fence_fd, u32 *timestamp) |
| { |
| return NULL; |
| } |
| |
| static inline |
| void sde_rotator_resync_timeline(struct sde_rot_timeline *tl) |
| { |
| } |
| |
| static inline |
| int sde_rotator_inc_timeline(struct sde_rot_timeline *tl, int increment) |
| { |
| return 0; |
| } |
| |
| static inline |
| u32 sde_rotator_get_timeline_commit_ts(struct sde_rot_timeline *tl) |
| { |
| return 0; |
| } |
| |
| static inline |
| u32 sde_rotator_get_timeline_retire_ts(struct sde_rot_timeline *tl) |
| { |
| return 0; |
| } |
| |
| static inline |
| void sde_rotator_put_sync_fence(struct sde_rot_sync_fence *fence) |
| { |
| } |
| |
| static inline |
| int sde_rotator_wait_sync_fence(struct sde_rot_sync_fence *fence, |
| long timeout) |
| { |
| return 0; |
| } |
| |
| static inline |
| struct sde_rot_sync_fence *sde_rotator_get_fd_sync_fence(int fd) |
| { |
| return NULL; |
| } |
| |
| static inline |
| int sde_rotator_get_sync_fence_fd(struct sde_rot_sync_fence *fence) |
| { |
| return -EBADF; |
| } |
| #endif |
| |
| #endif /* SDE_ROTATOR_SYNC_H */ |