| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * Copyright (c) 2015-2020, The Linux Foundation. All rights reserved. |
| */ |
| |
| #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 */ |