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, Maarten Lankhorst, Ilia Mirkin
23  */
24 #include <engine/mspdec.h>
25 #include <engine/falcon.h>
26 
27 struct g98_mspdec_priv {
28 	struct nvkm_falcon base;
29 };
30 
31 /*******************************************************************************
32  * MSPDEC object classes
33  ******************************************************************************/
34 
35 static struct nvkm_oclass
36 g98_mspdec_sclass[] = {
37 	{ 0x88b2, &nvkm_object_ofuncs },
38 	{ 0x85b2, &nvkm_object_ofuncs },
39 	{},
40 };
41 
42 /*******************************************************************************
43  * PMSPDEC context
44  ******************************************************************************/
45 
46 static struct nvkm_oclass
47 g98_mspdec_cclass = {
48 	.handle = NV_ENGCTX(MSPDEC, 0x98),
49 	.ofuncs = &(struct nvkm_ofuncs) {
50 		.ctor = _nvkm_falcon_context_ctor,
51 		.dtor = _nvkm_falcon_context_dtor,
52 		.init = _nvkm_falcon_context_init,
53 		.fini = _nvkm_falcon_context_fini,
54 		.rd32 = _nvkm_falcon_context_rd32,
55 		.wr32 = _nvkm_falcon_context_wr32,
56 	},
57 };
58 
59 /*******************************************************************************
60  * PMSPDEC engine/subdev functions
61  ******************************************************************************/
62 
63 static int
64 g98_mspdec_init(struct nvkm_object *object)
65 {
66 	struct g98_mspdec_priv *priv = (void *)object;
67 	int ret;
68 
69 	ret = nvkm_falcon_init(&priv->base);
70 	if (ret)
71 		return ret;
72 
73 	nv_wr32(priv, 0x085010, 0x0000ffd2);
74 	nv_wr32(priv, 0x08501c, 0x0000fff2);
75 	return 0;
76 }
77 
78 static int
79 g98_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
80 		struct nvkm_oclass *oclass, void *data, u32 size,
81 		struct nvkm_object **pobject)
82 {
83 	struct g98_mspdec_priv *priv;
84 	int ret;
85 
86 	ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true,
87 				 "PMSPDEC", "mspdec", &priv);
88 	*pobject = nv_object(priv);
89 	if (ret)
90 		return ret;
91 
92 	nv_subdev(priv)->unit = 0x01020000;
93 	nv_engine(priv)->cclass = &g98_mspdec_cclass;
94 	nv_engine(priv)->sclass = g98_mspdec_sclass;
95 	return 0;
96 }
97 
98 struct nvkm_oclass
99 g98_mspdec_oclass = {
100 	.handle = NV_ENGINE(MSPDEC, 0x98),
101 	.ofuncs = &(struct nvkm_ofuncs) {
102 		.ctor = g98_mspdec_ctor,
103 		.dtor = _nvkm_falcon_dtor,
104 		.init = g98_mspdec_init,
105 		.fini = _nvkm_falcon_fini,
106 		.rd32 = _nvkm_falcon_rd32,
107 		.wr32 = _nvkm_falcon_wr32,
108 	},
109 };
110