Commit | Line | Data |
---|---|---|
20abd163 BS |
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 BS |
27 | #include "nouveau_drv.h" |
28 | #include "nouveau_ramht.h" | |
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; | |
35bcf5d5 | 39 | struct nouveau_vma dispc_vma[4]; |
20abd163 BS |
40 | }; |
41 | ||
35bcf5d5 BS |
42 | u64 |
43 | nvc0_software_crtc(struct nouveau_channel *chan, int crtc) | |
44 | { | |
45 | struct nvc0_software_chan *pch = chan->engctx[NVOBJ_ENGINE_SW]; | |
46 | return pch->dispc_vma[crtc].offset; | |
47 | } | |
48 | ||
20abd163 BS |
49 | static int |
50 | nvc0_software_context_new(struct nouveau_channel *chan, int engine) | |
51 | { | |
35bcf5d5 BS |
52 | struct drm_device *dev = chan->dev; |
53 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
54 | struct nvc0_software_priv *psw = nv_engine(dev, NVOBJ_ENGINE_SW); | |
20abd163 | 55 | struct nvc0_software_chan *pch; |
35bcf5d5 | 56 | int ret = 0, i; |
20abd163 BS |
57 | |
58 | pch = kzalloc(sizeof(*pch), GFP_KERNEL); | |
59 | if (!pch) | |
60 | return -ENOMEM; | |
61 | ||
62 | nouveau_software_context_new(&pch->base); | |
63 | chan->engctx[engine] = pch; | |
35bcf5d5 BS |
64 | |
65 | /* map display semaphore buffers into channel's vm */ | |
66 | for (i = 0; !ret && i < dev->mode_config.num_crtc; i++) { | |
67 | struct nouveau_bo *bo; | |
68 | if (dev_priv->card_type >= NV_D0) | |
69 | bo = nvd0_display_crtc_sema(dev, i); | |
70 | else | |
71 | bo = nv50_display(dev)->crtc[i].sem.bo; | |
72 | ||
73 | ret = nouveau_bo_vma_add(bo, chan->vm, &pch->dispc_vma[i]); | |
74 | } | |
75 | ||
76 | if (ret) | |
77 | psw->base.base.context_del(chan, engine); | |
78 | return ret; | |
20abd163 BS |
79 | } |
80 | ||
81 | static void | |
82 | nvc0_software_context_del(struct nouveau_channel *chan, int engine) | |
83 | { | |
35bcf5d5 BS |
84 | struct drm_device *dev = chan->dev; |
85 | struct drm_nouveau_private *dev_priv = dev->dev_private; | |
20abd163 | 86 | struct nvc0_software_chan *pch = chan->engctx[engine]; |
35bcf5d5 BS |
87 | int i; |
88 | ||
89 | if (dev_priv->card_type >= NV_D0) { | |
90 | for (i = 0; i < dev->mode_config.num_crtc; i++) { | |
91 | struct nouveau_bo *bo = nvd0_display_crtc_sema(dev, i); | |
92 | nouveau_bo_vma_del(bo, &pch->dispc_vma[i]); | |
93 | } | |
94 | } else | |
95 | if (dev_priv->card_type >= NV_50) { | |
96 | struct nv50_display *disp = nv50_display(dev); | |
97 | for (i = 0; i < dev->mode_config.num_crtc; i++) { | |
98 | struct nv50_display_crtc *dispc = &disp->crtc[i]; | |
99 | nouveau_bo_vma_del(dispc->sem.bo, &pch->dispc_vma[i]); | |
100 | } | |
101 | } | |
102 | ||
20abd163 BS |
103 | chan->engctx[engine] = NULL; |
104 | kfree(pch); | |
105 | } | |
106 | ||
107 | static int | |
108 | nvc0_software_object_new(struct nouveau_channel *chan, int engine, | |
109 | u32 handle, u16 class) | |
110 | { | |
111 | return 0; | |
112 | } | |
113 | ||
114 | static int | |
115 | nvc0_software_init(struct drm_device *dev, int engine) | |
116 | { | |
117 | return 0; | |
118 | } | |
119 | ||
120 | static int | |
121 | nvc0_software_fini(struct drm_device *dev, int engine, bool suspend) | |
122 | { | |
123 | return 0; | |
124 | } | |
125 | ||
126 | static void | |
127 | nvc0_software_destroy(struct drm_device *dev, int engine) | |
128 | { | |
129 | struct nvc0_software_priv *psw = nv_engine(dev, engine); | |
130 | ||
131 | NVOBJ_ENGINE_DEL(dev, SW); | |
132 | kfree(psw); | |
133 | } | |
134 | ||
135 | int | |
136 | nvc0_software_create(struct drm_device *dev) | |
137 | { | |
138 | struct nvc0_software_priv *psw = kzalloc(sizeof(*psw), GFP_KERNEL); | |
139 | if (!psw) | |
140 | return -ENOMEM; | |
141 | ||
142 | psw->base.base.destroy = nvc0_software_destroy; | |
143 | psw->base.base.init = nvc0_software_init; | |
144 | psw->base.base.fini = nvc0_software_fini; | |
145 | psw->base.base.context_new = nvc0_software_context_new; | |
146 | psw->base.base.context_del = nvc0_software_context_del; | |
147 | psw->base.base.object_new = nvc0_software_object_new; | |
148 | nouveau_software_create(&psw->base); | |
149 | ||
150 | NVOBJ_ENGINE_ADD(dev, SW, &psw->base.base); | |
151 | NVOBJ_CLASS(dev, 0x906e, SW); | |
152 | return 0; | |
153 | } |