140 lines
3.5 KiB
C
140 lines
3.5 KiB
C
/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __KGSL_SYNC_H
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#define __KGSL_SYNC_H
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#include <linux/sync.h>
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#include "kgsl_device.h"
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struct kgsl_sync_timeline {
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struct sync_timeline timeline;
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unsigned int last_timestamp;
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struct kgsl_device *device;
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u32 context_id;
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spinlock_t lock;
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};
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struct kgsl_sync_pt {
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struct sync_pt pt;
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struct kgsl_context *context;
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unsigned int timestamp;
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};
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struct kgsl_sync_fence_waiter {
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struct sync_fence_waiter waiter;
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struct sync_fence *fence;
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char name[32];
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void (*func)(void *priv);
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void *priv;
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};
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struct kgsl_syncsource;
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#if defined(CONFIG_SYNC)
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int kgsl_add_fence_event(struct kgsl_device *device,
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u32 context_id, u32 timestamp, void __user *data, int len,
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struct kgsl_device_private *owner);
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int kgsl_sync_timeline_create(struct kgsl_context *context);
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void kgsl_sync_timeline_destroy(struct kgsl_context *context);
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struct kgsl_sync_fence_waiter *kgsl_sync_fence_async_wait(int fd,
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void (*func)(void *priv), void *priv);
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int kgsl_sync_fence_async_cancel(struct kgsl_sync_fence_waiter *waiter);
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static inline void kgsl_sync_fence_log(struct sync_fence *fence)
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{
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}
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#else
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static inline int kgsl_add_fence_event(struct kgsl_device *device,
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u32 context_id, u32 timestamp, void __user *data, int len,
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struct kgsl_device_private *owner)
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{
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return -EINVAL;
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}
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static inline int kgsl_sync_timeline_create(struct kgsl_context *context)
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{
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context->timeline = NULL;
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return 0;
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}
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static inline void kgsl_sync_timeline_destroy(struct kgsl_context *context)
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{
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}
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static inline struct
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kgsl_sync_fence_waiter *kgsl_sync_fence_async_wait(int fd,
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void (*func)(void *priv), void *priv)
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{
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return NULL;
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}
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static inline int
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kgsl_sync_fence_async_cancel(struct kgsl_sync_fence_waiter *waiter)
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{
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return 1;
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}
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static inline void kgsl_sync_fence_log(struct sync_fence *fence)
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{
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}
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#endif
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#ifdef CONFIG_ONESHOT_SYNC
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long kgsl_ioctl_syncsource_create(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data);
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long kgsl_ioctl_syncsource_destroy(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data);
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long kgsl_ioctl_syncsource_create_fence(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data);
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long kgsl_ioctl_syncsource_signal_fence(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data);
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void kgsl_syncsource_put(struct kgsl_syncsource *syncsource);
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#else
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static inline long
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kgsl_ioctl_syncsource_create(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data)
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{
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return -ENOIOCTLCMD;
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}
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static inline long
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kgsl_ioctl_syncsource_destroy(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data)
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{
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return -ENOIOCTLCMD;
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}
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static inline long
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kgsl_ioctl_syncsource_create_fence(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data)
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{
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return -ENOIOCTLCMD;
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}
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static inline long
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kgsl_ioctl_syncsource_signal_fence(struct kgsl_device_private *dev_priv,
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unsigned int cmd, void *data)
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{
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return -ENOIOCTLCMD;
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}
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static inline void kgsl_syncsource_put(struct kgsl_syncsource *syncsource)
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{
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}
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#endif
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#endif /* __KGSL_SYNC_H */
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