linux/drivers/gpu/drm/nouveau/nv04_fence.c

/*
 * Copyright 2012 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nouveau_fence.h"

#include <nvif/if0004.h>
#include <nvif/push006c.h>

struct nv04_fence_chan { … };

struct nv04_fence_priv { … };

static int
nv04_fence_emit(struct nouveau_fence *fence)
{ … }

static int
nv04_fence_sync(struct nouveau_fence *fence,
		struct nouveau_channel *prev, struct nouveau_channel *chan)
{ … }

static u32
nv04_fence_read(struct nouveau_channel *chan)
{ … }

static void
nv04_fence_context_del(struct nouveau_channel *chan)
{ … }

static int
nv04_fence_context_new(struct nouveau_channel *chan)
{ … }

static void
nv04_fence_destroy(struct nouveau_drm *drm)
{ … }

int
nv04_fence_create(struct nouveau_drm *drm)
{ … }