1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24#include <engine/mspdec.h>
25#include <engine/falcon.h>
26
27struct gk104_mspdec_priv {
28	struct nvkm_falcon base;
29};
30
31/*******************************************************************************
32 * MSPDEC object classes
33 ******************************************************************************/
34
35static struct nvkm_oclass
36gk104_mspdec_sclass[] = {
37	{ 0x95b2, &nvkm_object_ofuncs },
38	{},
39};
40
41/*******************************************************************************
42 * PMSPDEC context
43 ******************************************************************************/
44
45static struct nvkm_oclass
46gk104_mspdec_cclass = {
47	.handle = NV_ENGCTX(MSPDEC, 0xe0),
48	.ofuncs = &(struct nvkm_ofuncs) {
49		.ctor = _nvkm_falcon_context_ctor,
50		.dtor = _nvkm_falcon_context_dtor,
51		.init = _nvkm_falcon_context_init,
52		.fini = _nvkm_falcon_context_fini,
53		.rd32 = _nvkm_falcon_context_rd32,
54		.wr32 = _nvkm_falcon_context_wr32,
55	},
56};
57
58/*******************************************************************************
59 * PMSPDEC engine/subdev functions
60 ******************************************************************************/
61
62static int
63gk104_mspdec_init(struct nvkm_object *object)
64{
65	struct gk104_mspdec_priv *priv = (void *)object;
66	int ret;
67
68	ret = nvkm_falcon_init(&priv->base);
69	if (ret)
70		return ret;
71
72	nv_wr32(priv, 0x085010, 0x0000fff2);
73	nv_wr32(priv, 0x08501c, 0x0000fff2);
74	return 0;
75}
76
77static int
78gk104_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
79		  struct nvkm_oclass *oclass, void *data, u32 size,
80		  struct nvkm_object **pobject)
81{
82	struct gk104_mspdec_priv *priv;
83	int ret;
84
85	ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true,
86				 "PMSPDEC", "mspdec", &priv);
87	*pobject = nv_object(priv);
88	if (ret)
89		return ret;
90
91	nv_subdev(priv)->unit = 0x00020000;
92	nv_subdev(priv)->intr = nvkm_falcon_intr;
93	nv_engine(priv)->cclass = &gk104_mspdec_cclass;
94	nv_engine(priv)->sclass = gk104_mspdec_sclass;
95	return 0;
96}
97
98struct nvkm_oclass
99gk104_mspdec_oclass = {
100	.handle = NV_ENGINE(MSPDEC, 0xe0),
101	.ofuncs = &(struct nvkm_ofuncs) {
102		.ctor = gk104_mspdec_ctor,
103		.dtor = _nvkm_falcon_dtor,
104		.init = gk104_mspdec_init,
105		.fini = _nvkm_falcon_fini,
106		.rd32 = _nvkm_falcon_rd32,
107		.wr32 = _nvkm_falcon_wr32,
108	},
109};
110