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/msvld.h>
25 #include <engine/falcon.h>
26 
27 struct g98_msvld_priv {
28 	struct nvkm_falcon base;
29 };
30 
31 /*******************************************************************************
32  * MSVLD object classes
33  ******************************************************************************/
34 
35 static struct nvkm_oclass
36 g98_msvld_sclass[] = {
37 	{ 0x88b1, &nvkm_object_ofuncs },
38 	{ 0x85b1, &nvkm_object_ofuncs },
39 	{ 0x86b1, &nvkm_object_ofuncs },
40 	{},
41 };
42 
43 /*******************************************************************************
44  * PMSVLD context
45  ******************************************************************************/
46 
47 static struct nvkm_oclass
48 g98_msvld_cclass = {
49 	.handle = NV_ENGCTX(MSVLD, 0x98),
50 	.ofuncs = &(struct nvkm_ofuncs) {
51 		.ctor = _nvkm_falcon_context_ctor,
52 		.dtor = _nvkm_falcon_context_dtor,
53 		.init = _nvkm_falcon_context_init,
54 		.fini = _nvkm_falcon_context_fini,
55 		.rd32 = _nvkm_falcon_context_rd32,
56 		.wr32 = _nvkm_falcon_context_wr32,
57 	},
58 };
59 
60 /*******************************************************************************
61  * PMSVLD engine/subdev functions
62  ******************************************************************************/
63 
64 static int
65 g98_msvld_init(struct nvkm_object *object)
66 {
67 	struct g98_msvld_priv *priv = (void *)object;
68 	int ret;
69 
70 	ret = nvkm_falcon_init(&priv->base);
71 	if (ret)
72 		return ret;
73 
74 	nv_wr32(priv, 0x084010, 0x0000ffd2);
75 	nv_wr32(priv, 0x08401c, 0x0000fff2);
76 	return 0;
77 }
78 
79 static int
80 g98_msvld_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
81 	       struct nvkm_oclass *oclass, void *data, u32 size,
82 	       struct nvkm_object **pobject)
83 {
84 	struct g98_msvld_priv *priv;
85 	int ret;
86 
87 	ret = nvkm_falcon_create(parent, engine, oclass, 0x084000, true,
88 				 "PMSVLD", "msvld", &priv);
89 	*pobject = nv_object(priv);
90 	if (ret)
91 		return ret;
92 
93 	nv_subdev(priv)->unit = 0x04008000;
94 	nv_engine(priv)->cclass = &g98_msvld_cclass;
95 	nv_engine(priv)->sclass = g98_msvld_sclass;
96 	return 0;
97 }
98 
99 struct nvkm_oclass
100 g98_msvld_oclass = {
101 	.handle = NV_ENGINE(MSVLD, 0x98),
102 	.ofuncs = &(struct nvkm_ofuncs) {
103 		.ctor = g98_msvld_ctor,
104 		.dtor = _nvkm_falcon_dtor,
105 		.init = g98_msvld_init,
106 		.fini = _nvkm_falcon_fini,
107 		.rd32 = _nvkm_falcon_rd32,
108 		.wr32 = _nvkm_falcon_wr32,
109 	},
110 };
111