1 /*
2  * Copyright 2012 Maarten Lankhorst
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: Maarten Lankhorst
23  */
24 #include <engine/mspdec.h>
25 #include <engine/falcon.h>
26 
27 struct gf100_mspdec_priv {
28 	struct nvkm_falcon base;
29 };
30 
31 /*******************************************************************************
32  * MSPDEC object classes
33  ******************************************************************************/
34 
35 static struct nvkm_oclass
36 gf100_mspdec_sclass[] = {
37 	{ 0x90b2, &nvkm_object_ofuncs },
38 	{},
39 };
40 
41 /*******************************************************************************
42  * PMSPDEC context
43  ******************************************************************************/
44 
45 static struct nvkm_oclass
46 gf100_mspdec_cclass = {
47 	.handle = NV_ENGCTX(MSPDEC, 0xc0),
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 
62 static int
63 gf100_mspdec_init(struct nvkm_object *object)
64 {
65 	struct gf100_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 
77 static int
78 gf100_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 gf100_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 = &gf100_mspdec_cclass;
94 	nv_engine(priv)->sclass = gf100_mspdec_sclass;
95 	return 0;
96 }
97 
98 struct nvkm_oclass
99 gf100_mspdec_oclass = {
100 	.handle = NV_ENGINE(MSPDEC, 0xc0),
101 	.ofuncs = &(struct nvkm_ofuncs) {
102 		.ctor = gf100_mspdec_ctor,
103 		.dtor = _nvkm_falcon_dtor,
104 		.init = gf100_mspdec_init,
105 		.fini = _nvkm_falcon_fini,
106 		.rd32 = _nvkm_falcon_rd32,
107 		.wr32 = _nvkm_falcon_wr32,
108 	},
109 };
110