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 /*******************************************************************************
28  * MSPDEC object classes
29  ******************************************************************************/
30 
31 static struct nvkm_oclass
32 g98_mspdec_sclass[] = {
33 	{ 0x88b2, &nvkm_object_ofuncs },
34 	{ 0x85b2, &nvkm_object_ofuncs },
35 	{},
36 };
37 
38 /*******************************************************************************
39  * PMSPDEC context
40  ******************************************************************************/
41 
42 static struct nvkm_oclass
43 g98_mspdec_cclass = {
44 	.handle = NV_ENGCTX(MSPDEC, 0x98),
45 	.ofuncs = &(struct nvkm_ofuncs) {
46 		.ctor = _nvkm_falcon_context_ctor,
47 		.dtor = _nvkm_falcon_context_dtor,
48 		.init = _nvkm_falcon_context_init,
49 		.fini = _nvkm_falcon_context_fini,
50 		.rd32 = _nvkm_falcon_context_rd32,
51 		.wr32 = _nvkm_falcon_context_wr32,
52 	},
53 };
54 
55 /*******************************************************************************
56  * PMSPDEC engine/subdev functions
57  ******************************************************************************/
58 
59 static int
60 g98_mspdec_init(struct nvkm_object *object)
61 {
62 	struct nvkm_falcon *mspdec = (void *)object;
63 	struct nvkm_device *device = mspdec->engine.subdev.device;
64 	int ret;
65 
66 	ret = nvkm_falcon_init(mspdec);
67 	if (ret)
68 		return ret;
69 
70 	nvkm_wr32(device, 0x085010, 0x0000ffd2);
71 	nvkm_wr32(device, 0x08501c, 0x0000fff2);
72 	return 0;
73 }
74 
75 static int
76 g98_mspdec_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
77 		struct nvkm_oclass *oclass, void *data, u32 size,
78 		struct nvkm_object **pobject)
79 {
80 	struct nvkm_falcon *mspdec;
81 	int ret;
82 
83 	ret = nvkm_falcon_create(parent, engine, oclass, 0x085000, true,
84 				 "PMSPDEC", "mspdec", &mspdec);
85 	*pobject = nv_object(mspdec);
86 	if (ret)
87 		return ret;
88 
89 	nv_subdev(mspdec)->unit = 0x01020000;
90 	nv_engine(mspdec)->cclass = &g98_mspdec_cclass;
91 	nv_engine(mspdec)->sclass = g98_mspdec_sclass;
92 	return 0;
93 }
94 
95 struct nvkm_oclass
96 g98_mspdec_oclass = {
97 	.handle = NV_ENGINE(MSPDEC, 0x98),
98 	.ofuncs = &(struct nvkm_ofuncs) {
99 		.ctor = g98_mspdec_ctor,
100 		.dtor = _nvkm_falcon_dtor,
101 		.init = g98_mspdec_init,
102 		.fini = _nvkm_falcon_fini,
103 	},
104 };
105