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 
25 #include <core/os.h>
26 #include <core/engctx.h>
27 
28 #include <engine/sw.h>
29 
30 struct nv10_sw_priv {
31 	struct nouveau_sw base;
32 };
33 
34 struct nv10_sw_chan {
35 	struct nouveau_sw_chan base;
36 };
37 
38 /*******************************************************************************
39  * software object classes
40  ******************************************************************************/
41 
42 static int
43 nv10_sw_flip(struct nouveau_object *object, u32 mthd,
44 		   void *args, u32 size)
45 {
46 	struct nv10_sw_chan *chan = (void *)nv_engctx(object->parent);
47 	if (chan->base.flip)
48 		return chan->base.flip(chan->base.flip_data);
49 	return -EINVAL;
50 }
51 
52 static struct nouveau_omthds
53 nv10_sw_omthds[] = {
54 	{ 0x0500, 0x0500, nv10_sw_flip },
55 	{}
56 };
57 
58 static struct nouveau_oclass
59 nv10_sw_sclass[] = {
60 	{ 0x016e, &nouveau_object_ofuncs, nv10_sw_omthds },
61 	{}
62 };
63 
64 /*******************************************************************************
65  * software context
66  ******************************************************************************/
67 
68 static int
69 nv10_sw_context_ctor(struct nouveau_object *parent,
70 		      struct nouveau_object *engine,
71 		      struct nouveau_oclass *oclass, void *data, u32 size,
72 		      struct nouveau_object **pobject)
73 {
74 	struct nv10_sw_chan *chan;
75 	int ret;
76 
77 	ret = nouveau_sw_context_create(parent, engine, oclass, &chan);
78 	*pobject = nv_object(chan);
79 	if (ret)
80 		return ret;
81 
82 	return 0;
83 }
84 
85 static struct nouveau_oclass
86 nv10_sw_cclass = {
87 	.handle = NV_ENGCTX(SW, 0x04),
88 	.ofuncs = &(struct nouveau_ofuncs) {
89 		.ctor = nv10_sw_context_ctor,
90 		.dtor = _nouveau_sw_context_dtor,
91 		.init = _nouveau_sw_context_init,
92 		.fini = _nouveau_sw_context_fini,
93 	},
94 };
95 
96 /*******************************************************************************
97  * software engine/subdev functions
98  ******************************************************************************/
99 
100 static int
101 nv10_sw_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
102 	      struct nouveau_oclass *oclass, void *data, u32 size,
103 	      struct nouveau_object **pobject)
104 {
105 	struct nv10_sw_priv *priv;
106 	int ret;
107 
108 	ret = nouveau_sw_create(parent, engine, oclass, &priv);
109 	*pobject = nv_object(priv);
110 	if (ret)
111 		return ret;
112 
113 	nv_engine(priv)->cclass = &nv10_sw_cclass;
114 	nv_engine(priv)->sclass = nv10_sw_sclass;
115 	nv_subdev(priv)->intr = nv04_sw_intr;
116 	return 0;
117 }
118 
119 struct nouveau_oclass *
120 nv10_sw_oclass = &(struct nouveau_oclass) {
121 	.handle = NV_ENGINE(SW, 0x10),
122 	.ofuncs = &(struct nouveau_ofuncs) {
123 		.ctor = nv10_sw_ctor,
124 		.dtor = _nouveau_sw_dtor,
125 		.init = _nouveau_sw_init,
126 		.fini = _nouveau_sw_fini,
127 	},
128 };
129