LXR linux/drivers/staging/android/sw

   1/*
   2 * include/linux/sw_sync.h
   3 *
   4 * Copyright (C) 2012 Google, Inc.
   5 *
   6 * This software is licensed under the terms of the GNU General Public
   7 * License version 2, as published by the Free Software Foundation, and
   8 * may be copied, distributed, and modified under those terms.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 */
  16
  17#ifndef _LINUX_SW_SYNC_H
  18#define _LINUX_SW_SYNC_H
  19
  20#include <linux/types.h>
  21#include <linux/kconfig.h>
  22#include "sync.h"
  23#include "uapi/sw_sync.h"
  24
  25struct sw_sync_timeline {
  26        struct  sync_timeline   obj;
  27
  28        u32                     value;
  29};
  30
  31struct sw_sync_pt {
  32        struct sync_pt          pt;
  33
  34        u32                     value;
  35};
  36
  37#if IS_ENABLED(CONFIG_SW_SYNC)
  38struct sw_sync_timeline *sw_sync_timeline_create(const char *name);
  39void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc);
  40
  41struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value);
  42#else
  43static inline struct sw_sync_timeline *sw_sync_timeline_create(const char *name)
  44{
  45        return NULL;
  46}
  47
  48static inline void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc)
  49{
  50}
  51
  52static inline struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj,
  53                                                u32 value)
  54{
  55        return NULL;
  56}
  57#endif /* IS_ENABLED(CONFIG_SW_SYNC) */
  58
  59#endif /* _LINUX_SW_SYNC_H */
  60