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/msppp.h>
25 #include <engine/falcon.h>
26 
27 /*******************************************************************************
28  * MSPPP object classes
29  ******************************************************************************/
30 
31 static struct nvkm_oclass
32 g98_msppp_sclass[] = {
33 	{ 0x88b3, &nvkm_object_ofuncs },
34 	{ 0x85b3, &nvkm_object_ofuncs },
35 	{},
36 };
37 
38 /*******************************************************************************
39  * PMSPPP context
40  ******************************************************************************/
41 
42 static struct nvkm_oclass
43 g98_msppp_cclass = {
44 	.handle = NV_ENGCTX(MSPPP, 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  * PMSPPP engine/subdev functions
57  ******************************************************************************/
58 
59 static int
60 g98_msppp_init(struct nvkm_object *object)
61 {
62 	struct nvkm_falcon *msppp = (void *)object;
63 	struct nvkm_device *device = msppp->engine.subdev.device;
64 	int ret;
65 
66 	ret = nvkm_falcon_init(msppp);
67 	if (ret)
68 		return ret;
69 
70 	nvkm_wr32(device, 0x086010, 0x0000ffd2);
71 	nvkm_wr32(device, 0x08601c, 0x0000fff2);
72 	return 0;
73 }
74 
75 static const struct nvkm_falcon_func
76 g98_msppp_func = {
77 };
78 
79 static int
80 g98_msppp_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 nvkm_falcon *msppp;
85 	int ret;
86 
87 	ret = nvkm_falcon_create(&g98_msppp_func, parent, engine, oclass,
88 				 0x086000, true, "PMSPPP", "msppp", &msppp);
89 	*pobject = nv_object(msppp);
90 	if (ret)
91 		return ret;
92 
93 	nv_subdev(msppp)->unit = 0x00400002;
94 	nv_engine(msppp)->cclass = &g98_msppp_cclass;
95 	nv_engine(msppp)->sclass = g98_msppp_sclass;
96 	return 0;
97 }
98 
99 struct nvkm_oclass
100 g98_msppp_oclass = {
101 	.handle = NV_ENGINE(MSPPP, 0x98),
102 	.ofuncs = &(struct nvkm_ofuncs) {
103 		.ctor = g98_msppp_ctor,
104 		.dtor = _nvkm_falcon_dtor,
105 		.init = g98_msppp_init,
106 		.fini = _nvkm_falcon_fini,
107 	},
108 };
109