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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 "drmP.h" | |
35bcf5d5 | 26 | |
20abd163 | 27 | #include "nouveau_drv.h" |
02a841d4 | 28 | #include <core/ramht.h> |
20abd163 BS |
29 | #include "nouveau_software.h" |
30 | ||
35bcf5d5 BS |
31 | #include "nv50_display.h" |
32 | ||
20abd163 BS |
33 | struct nvc0_software_priv { |
34 | struct nouveau_software_priv base; | |
35 | }; | |
36 | ||
37 | struct nvc0_software_chan { | |
38 | struct nouveau_software_chan base; | |
39 | }; | |
40 | ||
41 | static int | |
42 | nvc0_software_context_new(struct nouveau_channel *chan, int engine) | |
43 | { | |
44 | struct nvc0_software_chan *pch; | |
45 | ||
46 | pch = kzalloc(sizeof(*pch), GFP_KERNEL); | |
47 | if (!pch) | |
48 | return -ENOMEM; | |
49 | ||
f589be88 | 50 | nouveau_software_context_new(chan, &pch->base); |
20abd163 | 51 | chan->engctx[engine] = pch; |
f589be88 | 52 | return 0; |
20abd163 BS |
53 | } |
54 | ||
55 | static void | |
56 | nvc0_software_context_del(struct nouveau_channel *chan, int engine) | |
57 | { | |
58 | struct nvc0_software_chan *pch = chan->engctx[engine]; | |
59 | chan->engctx[engine] = NULL; | |
60 | kfree(pch); | |
61 | } | |
62 | ||
63 | static int | |
64 | nvc0_software_object_new(struct nouveau_channel *chan, int engine, | |
65 | u32 handle, u16 class) | |
66 | { | |
67 | return 0; | |
68 | } | |
69 | ||
70 | static int | |
71 | nvc0_software_init(struct drm_device *dev, int engine) | |
72 | { | |
73 | return 0; | |
74 | } | |
75 | ||
76 | static int | |
77 | nvc0_software_fini(struct drm_device *dev, int engine, bool suspend) | |
78 | { | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static void | |
83 | nvc0_software_destroy(struct drm_device *dev, int engine) | |
84 | { | |
85 | struct nvc0_software_priv *psw = nv_engine(dev, engine); | |
86 | ||
87 | NVOBJ_ENGINE_DEL(dev, SW); | |
88 | kfree(psw); | |
89 | } | |
90 | ||
91 | int | |
92 | nvc0_software_create(struct drm_device *dev) | |
93 | { | |
94 | struct nvc0_software_priv *psw = kzalloc(sizeof(*psw), GFP_KERNEL); | |
95 | if (!psw) | |
96 | return -ENOMEM; | |
97 | ||
98 | psw->base.base.destroy = nvc0_software_destroy; | |
99 | psw->base.base.init = nvc0_software_init; | |
100 | psw->base.base.fini = nvc0_software_fini; | |
101 | psw->base.base.context_new = nvc0_software_context_new; | |
102 | psw->base.base.context_del = nvc0_software_context_del; | |
103 | psw->base.base.object_new = nvc0_software_object_new; | |
104 | nouveau_software_create(&psw->base); | |
105 | ||
106 | NVOBJ_ENGINE_ADD(dev, SW, &psw->base.base); | |
107 | NVOBJ_CLASS(dev, 0x906e, SW); | |
108 | return 0; | |
109 | } |