1 | /* $NetBSD: nouveau_engine_software_nv04.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_software_nv04.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $" ); |
29 | |
30 | #include <core/os.h> |
31 | #include <core/class.h> |
32 | #include <core/engctx.h> |
33 | |
34 | #include <engine/software.h> |
35 | #include <engine/fifo.h> |
36 | |
37 | struct nv04_software_priv { |
38 | struct nouveau_software base; |
39 | }; |
40 | |
41 | struct nv04_software_chan { |
42 | struct nouveau_software_chan base; |
43 | }; |
44 | |
45 | /******************************************************************************* |
46 | * software object classes |
47 | ******************************************************************************/ |
48 | |
49 | static int |
50 | nv04_software_set_ref(struct nouveau_object *object, u32 mthd, |
51 | void *data, u32 size) |
52 | { |
53 | struct nouveau_object *channel = (void *)nv_engctx(object->parent); |
54 | struct nouveau_fifo_chan *fifo = (void *)channel->parent; |
55 | atomic_set(&fifo->refcnt, *(u32*)data); |
56 | return 0; |
57 | } |
58 | |
59 | static int |
60 | nv04_software_flip(struct nouveau_object *object, u32 mthd, |
61 | void *args, u32 size) |
62 | { |
63 | struct nv04_software_chan *chan = (void *)nv_engctx(object->parent); |
64 | if (chan->base.flip) |
65 | return chan->base.flip(chan->base.flip_data); |
66 | return -EINVAL; |
67 | } |
68 | |
69 | static struct nouveau_omthds |
70 | nv04_software_omthds[] = { |
71 | { 0x0150, 0x0150, nv04_software_set_ref }, |
72 | { 0x0500, 0x0500, nv04_software_flip }, |
73 | {} |
74 | }; |
75 | |
76 | static struct nouveau_oclass |
77 | nv04_software_sclass[] = { |
78 | { 0x006e, &nouveau_object_ofuncs, nv04_software_omthds }, |
79 | {} |
80 | }; |
81 | |
82 | /******************************************************************************* |
83 | * software context |
84 | ******************************************************************************/ |
85 | |
86 | static int |
87 | nv04_software_context_ctor(struct nouveau_object *parent, |
88 | struct nouveau_object *engine, |
89 | struct nouveau_oclass *oclass, void *data, u32 size, |
90 | struct nouveau_object **pobject) |
91 | { |
92 | struct nv04_software_chan *chan; |
93 | int ret; |
94 | |
95 | ret = nouveau_software_context_create(parent, engine, oclass, &chan); |
96 | *pobject = nv_object(chan); |
97 | if (ret) |
98 | return ret; |
99 | |
100 | return 0; |
101 | } |
102 | |
103 | static struct nouveau_oclass |
104 | nv04_software_cclass = { |
105 | .handle = NV_ENGCTX(SW, 0x04), |
106 | .ofuncs = &(struct nouveau_ofuncs) { |
107 | .ctor = nv04_software_context_ctor, |
108 | .dtor = _nouveau_software_context_dtor, |
109 | .init = _nouveau_software_context_init, |
110 | .fini = _nouveau_software_context_fini, |
111 | }, |
112 | }; |
113 | |
114 | /******************************************************************************* |
115 | * software engine/subdev functions |
116 | ******************************************************************************/ |
117 | |
118 | void |
119 | nv04_software_intr(struct nouveau_subdev *subdev) |
120 | { |
121 | nv_mask(subdev, 0x000100, 0x80000000, 0x00000000); |
122 | } |
123 | |
124 | static int |
125 | nv04_software_ctor(struct nouveau_object *parent, struct nouveau_object *engine, |
126 | struct nouveau_oclass *oclass, void *data, u32 size, |
127 | struct nouveau_object **pobject) |
128 | { |
129 | struct nv04_software_priv *priv; |
130 | int ret; |
131 | |
132 | ret = nouveau_software_create(parent, engine, oclass, &priv); |
133 | *pobject = nv_object(priv); |
134 | if (ret) |
135 | return ret; |
136 | |
137 | nv_engine(priv)->cclass = &nv04_software_cclass; |
138 | nv_engine(priv)->sclass = nv04_software_sclass; |
139 | nv_subdev(priv)->intr = nv04_software_intr; |
140 | return 0; |
141 | } |
142 | |
143 | struct nouveau_oclass * |
144 | nv04_software_oclass = &(struct nouveau_oclass) { |
145 | .handle = NV_ENGINE(SW, 0x04), |
146 | .ofuncs = &(struct nouveau_ofuncs) { |
147 | .ctor = nv04_software_ctor, |
148 | .dtor = _nouveau_software_dtor, |
149 | .init = _nouveau_software_init, |
150 | .fini = _nouveau_software_fini, |
151 | }, |
152 | }; |
153 | |