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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 | ||
ebb945a9 BS |
25 | #include "nouveau_drm.h" |
26 | #include "nouveau_dma.h" | |
5e120f6e BS |
27 | #include "nouveau_fence.h" |
28 | ||
77145f1c BS |
29 | #include "nv50_display.h" |
30 | ||
5e120f6e | 31 | static int |
bba9852f | 32 | nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
5e120f6e | 33 | { |
bba9852f | 34 | int ret = RING_SPACE(chan, 6); |
5e120f6e | 35 | if (ret == 0) { |
e18c080f | 36 | BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5); |
bba9852f BS |
37 | OUT_RING (chan, upper_32_bits(virtual)); |
38 | OUT_RING (chan, lower_32_bits(virtual)); | |
39 | OUT_RING (chan, sequence); | |
5e120f6e | 40 | OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG); |
e18c080f | 41 | OUT_RING (chan, 0x00000000); |
5e120f6e BS |
42 | FIRE_RING (chan); |
43 | } | |
5e120f6e BS |
44 | return ret; |
45 | } | |
46 | ||
47 | static int | |
bba9852f | 48 | nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
5e120f6e | 49 | { |
bba9852f | 50 | int ret = RING_SPACE(chan, 5); |
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51 | if (ret == 0) { |
52 | BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); | |
bba9852f BS |
53 | OUT_RING (chan, upper_32_bits(virtual)); |
54 | OUT_RING (chan, lower_32_bits(virtual)); | |
55 | OUT_RING (chan, sequence); | |
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56 | OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL | |
57 | NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD); | |
58 | FIRE_RING (chan); | |
59 | } | |
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60 | return ret; |
61 | } | |
62 | ||
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63 | static int |
64 | nvc0_fence_context_new(struct nouveau_channel *chan) | |
65 | { | |
66 | int ret = nv84_fence_context_new(chan); | |
67 | if (ret == 0) { | |
68 | struct nv84_fence_chan *fctx = chan->fence; | |
69 | fctx->base.emit32 = nvc0_fence_emit32; | |
70 | fctx->base.sync32 = nvc0_fence_sync32; | |
71 | } | |
72 | return ret; | |
73 | } | |
74 | ||
5e120f6e | 75 | int |
ebb945a9 | 76 | nvc0_fence_create(struct nouveau_drm *drm) |
5e120f6e | 77 | { |
264ce192 | 78 | int ret = nv84_fence_create(drm); |
5e120f6e | 79 | if (ret == 0) { |
264ce192 BS |
80 | struct nv84_fence_priv *priv = drm->fence; |
81 | priv->base.context_new = nvc0_fence_context_new; | |
5e120f6e | 82 | } |
5e120f6e BS |
83 | return ret; |
84 | } |