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f589be88 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 <bskeggs@redhat.com> | |
23 | */ | |
24 | ||
fdb751ef BS |
25 | #include <nvif/os.h> |
26 | #include <nvif/class.h> | |
845f2725 | 27 | #include <nvif/cl0002.h> |
ebb945a9 | 28 | |
4dc28134 | 29 | #include "nouveau_drv.h" |
f589be88 | 30 | #include "nouveau_dma.h" |
a4cea27b | 31 | #include "nv10_fence.h" |
f589be88 | 32 | |
77145f1c BS |
33 | #include "nv50_display.h" |
34 | ||
f589be88 BS |
35 | static int |
36 | nv50_fence_context_new(struct nouveau_channel *chan) | |
37 | { | |
a4cea27b MS |
38 | struct nv10_fence_priv *priv = chan->drm->fence; |
39 | struct nv10_fence_chan *fctx; | |
d3116756 | 40 | struct ttm_resource *reg = priv->bo->bo.resource; |
605f9ccd | 41 | u32 start = reg->start * PAGE_SIZE; |
e11bfb99 | 42 | u32 limit = start + priv->bo->bo.base.size - 1; |
e1ef6b42 | 43 | int ret; |
f589be88 BS |
44 | |
45 | fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); | |
46 | if (!fctx) | |
47 | return -ENOMEM; | |
48 | ||
29ba89b2 | 49 | nouveau_fence_context_new(chan, &fctx->base); |
827520ce BS |
50 | fctx->base.emit = nv10_fence_emit; |
51 | fctx->base.read = nv10_fence_read; | |
52 | fctx->base.sync = nv17_fence_sync; | |
f589be88 | 53 | |
9ac596a4 BS |
54 | ret = nvif_object_ctor(&chan->user, "fenceCtxDma", NvSema, |
55 | NV_DMA_IN_MEMORY, | |
4acfd707 BS |
56 | &(struct nv_dma_v0) { |
57 | .target = NV_DMA_V0_TARGET_VRAM, | |
58 | .access = NV_DMA_V0_ACCESS_RDWR, | |
7a7da592 ML |
59 | .start = start, |
60 | .limit = limit, | |
4acfd707 | 61 | }, sizeof(struct nv_dma_v0), |
0ad72863 | 62 | &fctx->sema); |
f589be88 BS |
63 | if (ret) |
64 | nv10_fence_context_del(chan); | |
65 | return ret; | |
66 | } | |
67 | ||
68 | int | |
ebb945a9 | 69 | nv50_fence_create(struct nouveau_drm *drm) |
f589be88 | 70 | { |
a4cea27b | 71 | struct nv10_fence_priv *priv; |
f589be88 BS |
72 | int ret = 0; |
73 | ||
ebb945a9 | 74 | priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL); |
f589be88 BS |
75 | if (!priv) |
76 | return -ENOMEM; | |
77 | ||
78 | priv->base.dtor = nv10_fence_destroy; | |
827520ce | 79 | priv->base.resume = nv17_fence_resume; |
f589be88 BS |
80 | priv->base.context_new = nv50_fence_context_new; |
81 | priv->base.context_del = nv10_fence_context_del; | |
f589be88 BS |
82 | spin_lock_init(&priv->lock); |
83 | ||
81b61579 CK |
84 | ret = nouveau_bo_new(&drm->client, 4096, 0x1000, |
85 | NOUVEAU_GEM_DOMAIN_VRAM, | |
bb6178b0 | 86 | 0, 0x0000, NULL, NULL, &priv->bo); |
f589be88 | 87 | if (!ret) { |
81b61579 | 88 | ret = nouveau_bo_pin(priv->bo, NOUVEAU_GEM_DOMAIN_VRAM, false); |
04c8c210 | 89 | if (!ret) { |
f589be88 | 90 | ret = nouveau_bo_map(priv->bo); |
04c8c210 MS |
91 | if (ret) |
92 | nouveau_bo_unpin(priv->bo); | |
93 | } | |
f589be88 BS |
94 | if (ret) |
95 | nouveau_bo_ref(NULL, &priv->bo); | |
96 | } | |
97 | ||
827520ce BS |
98 | if (ret) { |
99 | nv10_fence_destroy(drm); | |
100 | return ret; | |
ebb945a9 BS |
101 | } |
102 | ||
827520ce | 103 | nouveau_bo_wr32(priv->bo, 0x000, 0x00000000); |
f589be88 BS |
104 | return ret; |
105 | } |