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
23  */
24 #include <engine/sw.h>
25 
26 struct nv10_sw_priv {
27 	struct nvkm_sw base;
28 };
29 
30 struct nv10_sw_chan {
31 	struct nvkm_sw_chan base;
32 };
33 
34 /*******************************************************************************
35  * software object classes
36  ******************************************************************************/
37 
38 static int
39 nv10_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size)
40 {
41 	struct nv10_sw_chan *chan = (void *)nv_engctx(object->parent);
42 	if (chan->base.flip)
43 		return chan->base.flip(chan->base.flip_data);
44 	return -EINVAL;
45 }
46 
47 static struct nvkm_omthds
48 nv10_sw_omthds[] = {
49 	{ 0x0500, 0x0500, nv10_sw_flip },
50 	{}
51 };
52 
53 static struct nvkm_oclass
54 nv10_sw_sclass[] = {
55 	{ 0x016e, &nvkm_object_ofuncs, nv10_sw_omthds },
56 	{}
57 };
58 
59 /*******************************************************************************
60  * software context
61  ******************************************************************************/
62 
63 static int
64 nv10_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
65 		     struct nvkm_oclass *oclass, void *data, u32 size,
66 		     struct nvkm_object **pobject)
67 {
68 	struct nv10_sw_chan *chan;
69 	int ret;
70 
71 	ret = nvkm_sw_context_create(parent, engine, oclass, &chan);
72 	*pobject = nv_object(chan);
73 	if (ret)
74 		return ret;
75 
76 	return 0;
77 }
78 
79 static struct nvkm_oclass
80 nv10_sw_cclass = {
81 	.handle = NV_ENGCTX(SW, 0x04),
82 	.ofuncs = &(struct nvkm_ofuncs) {
83 		.ctor = nv10_sw_context_ctor,
84 		.dtor = _nvkm_sw_context_dtor,
85 		.init = _nvkm_sw_context_init,
86 		.fini = _nvkm_sw_context_fini,
87 	},
88 };
89 
90 /*******************************************************************************
91  * software engine/subdev functions
92  ******************************************************************************/
93 
94 static int
95 nv10_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
96 	     struct nvkm_oclass *oclass, void *data, u32 size,
97 	     struct nvkm_object **pobject)
98 {
99 	struct nv10_sw_priv *priv;
100 	int ret;
101 
102 	ret = nvkm_sw_create(parent, engine, oclass, &priv);
103 	*pobject = nv_object(priv);
104 	if (ret)
105 		return ret;
106 
107 	nv_engine(priv)->cclass = &nv10_sw_cclass;
108 	nv_engine(priv)->sclass = nv10_sw_sclass;
109 	nv_subdev(priv)->intr = nv04_sw_intr;
110 	return 0;
111 }
112 
113 struct nvkm_oclass *
114 nv10_sw_oclass = &(struct nvkm_oclass) {
115 	.handle = NV_ENGINE(SW, 0x10),
116 	.ofuncs = &(struct nvkm_ofuncs) {
117 		.ctor = nv10_sw_ctor,
118 		.dtor = _nvkm_sw_dtor,
119 		.init = _nvkm_sw_init,
120 		.fini = _nvkm_sw_fini,
121 	},
122 };
123