linux/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.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
 */
#define nv44_mpeg(p) …
#include "priv.h"

#include <core/client.h>
#include <core/gpuobj.h>
#include <engine/fifo.h>

#include <nvif/class.h>

struct nv44_mpeg { … };

/*******************************************************************************
 * PMPEG context
 ******************************************************************************/
#define nv44_mpeg_chan(p) …

struct nv44_mpeg_chan { … };

static int
nv44_mpeg_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
		    int align, struct nvkm_gpuobj **pgpuobj)
{ … }

static int
nv44_mpeg_chan_fini(struct nvkm_object *object, bool suspend)
{ … }

static void *
nv44_mpeg_chan_dtor(struct nvkm_object *object)
{ … }

static const struct nvkm_object_func
nv44_mpeg_chan = …;

static int
nv44_mpeg_chan_new(struct nvkm_chan *fifoch, const struct nvkm_oclass *oclass,
		   struct nvkm_object **pobject)
{ … }

/*******************************************************************************
 * PMPEG engine/subdev functions
 ******************************************************************************/

static bool
nv44_mpeg_mthd(struct nvkm_device *device, u32 mthd, u32 data)
{ … }

static void
nv44_mpeg_intr(struct nvkm_engine *engine)
{ … }

static const struct nvkm_engine_func
nv44_mpeg = …;

int
nv44_mpeg_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
	      struct nvkm_engine **pmpeg)
{ … }