path: root/drivers/gpu/drm/nouveau/core/engine/graph/nv50.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 <core/os.h>
#include <core/class.h>
#include <core/client.h>
#include <core/handle.h>
#include <core/engctx.h>
#include <core/enum.h>

#include <subdev/fb.h>
#include <subdev/vm.h>
#include <subdev/timer.h>

#include <engine/fifo.h>
#include <engine/graph.h>

#include "nv50.h"

struct nv50_graph_priv {
	struct nouveau_graph base;
	spinlock_t lock;
	u32 size;
};

struct nv50_graph_chan {
	struct nouveau_graph_chan base;
};

static u64
nv50_graph_units(struct nouveau_graph *graph)
{
	struct nv50_graph_priv *priv = (void *)graph;

	return nv_rd32(priv, 0x1540);
}

/*******************************************************************************
 * Graphics object classes
 ******************************************************************************/

static int
nv50_graph_object_ctor(struct nouveau_object *parent,
		       struct nouveau_object *engine,
		       struct nouveau_oclass *oclass, void *data, u32 size,
		       struct nouveau_object **pobject)
{
	struct nouveau_gpuobj *obj;
	int ret;

	ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
				    16, 16, 0, &obj);
	*pobject = nv_object(obj);
	if (ret)
		return ret;

	nv_wo32(obj, 0x00, nv_mclass(obj));
	nv_wo32(obj, 0x04, 0x00000000);
	nv_wo32(obj, 0x08, 0x00000000);
	nv_wo32(obj, 0x0c, 0x00000000);
	return 0;
}

static struct nouveau_ofuncs
nv50_graph_ofuncs = {
	.ctor = nv50_graph_object_ctor,
	.dtor = _nouveau_gpuobj_dtor,
	.init = _nouveau_gpuobj_init,
	.fini = _nouveau_gpuobj_fini,
	.rd32 = _nouveau_gpuobj_rd32,
	.wr32 = _nouveau_gpuobj_wr32,
};

static struct nouveau_oclass
nv50_graph_sclass[] = {
	{ 0x0030, &nv50_graph_ofuncs },
	{ 0x502d, &nv50_graph_ofuncs },
	{ 0x5039, &nv50_graph_ofuncs },
	{ 0x5097, &nv50_graph_ofuncs },
	{ 0x50c0, &nv50_graph_ofuncs },
	{}
};

static struct nouveau_oclass
nv84_graph_sclass[] = {
	{ 0x0030, &nv50_graph_ofuncs },
	{ 0x502d, &nv50_graph_ofuncs },
	{ 0x5039, &nv50_graph_ofuncs },
	{ 0x50c0, &nv50_graph_ofuncs },
	{ 0x8297, &nv50_graph_ofuncs },
	{}
};

static struct nouveau_oclass
nva0_graph_sclass[] = {
	{ 0x0030, &nv50_graph_ofuncs },
	{ 0x502d, &nv50_graph_ofuncs },
	{ 0x5039, &nv50_graph_ofuncs },
	{ 0x50c0, &nv50_graph_ofuncs },
	{ 0x8397, &nv50_graph_ofuncs },
	{}
};

static struct nouveau_oclass
nva3_graph_sclass[] = {
	{ 0x0030, &nv50_graph_ofuncs },
	{ 0x502d, &nv50_graph_ofuncs },
	{ 0x5039, &nv50_graph_ofuncs },
	{ 0x50c0, &nv50_graph_ofuncs },
	{ 0x8597, &nv50_graph_ofuncs },
	{ 0x85c0, &nv50_graph_ofuncs },
	{}
};

static struct nouveau_oclass
nvaf_graph_sclass[] = {
	{ 0x0030, &nv50_graph_ofuncs },
	{ 0x502d, &nv50_graph_ofuncs },
	{ 0x5039, &nv50_graph_ofuncs },
	{ 0x50c0, &nv50_graph_ofuncs },
	{ 0x85c0, &nv50_graph_ofuncs },
	{ 0x8697, &nv50_graph_ofuncs },
	{}
};

/*******************************************************************************
 * PGRAPH context
 ******************************************************************************/

static int
nv50_graph_context_ctor(struct nouveau_object *parent,
			struct nouveau_object *engine,
			struct nouveau_oclass *oclass, void *data, u32 size,
			struct nouveau_object **pobject)
{
	struct nv50_graph_priv *priv = (void *)engine;
	struct nv50_graph_chan *chan;
	int ret;

	ret = nouveau_graph_context_create(parent,