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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 | ||
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25 | #include <core/object.h> |
26 | #include <core/client.h> | |
27 | #include <core/class.h> | |
28 | ||
02a841d4 | 29 | #include <engine/fifo.h> |
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30 | |
31 | #include "nouveau_drm.h" | |
32 | #include "nouveau_dma.h" | |
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33 | #include "nouveau_fence.h" |
34 | ||
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35 | #include "nv50_display.h" |
36 | ||
5e120f6e | 37 | static int |
bba9852f | 38 | nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
5e120f6e | 39 | { |
bba9852f | 40 | int ret = RING_SPACE(chan, 6); |
5e120f6e | 41 | if (ret == 0) { |
e18c080f | 42 | BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5); |
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43 | OUT_RING (chan, upper_32_bits(virtual)); |
44 | OUT_RING (chan, lower_32_bits(virtual)); | |
45 | OUT_RING (chan, sequence); | |
5e120f6e | 46 | OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG); |
e18c080f | 47 | OUT_RING (chan, 0x00000000); |
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48 | FIRE_RING (chan); |
49 | } | |
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50 | return ret; |
51 | } | |
52 | ||
53 | static int | |
bba9852f | 54 | nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
5e120f6e | 55 | { |
bba9852f | 56 | int ret = RING_SPACE(chan, 5); |
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57 | if (ret == 0) { |
58 | BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4); | |
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59 | OUT_RING (chan, upper_32_bits(virtual)); |
60 | OUT_RING (chan, lower_32_bits(virtual)); | |
61 | OUT_RING (chan, sequence); | |
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62 | OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL | |
63 | NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD); | |
64 | FIRE_RING (chan); | |
65 | } | |
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66 | return ret; |
67 | } | |
68 | ||
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69 | static int |
70 | nvc0_fence_context_new(struct nouveau_channel *chan) | |
71 | { | |
72 | int ret = nv84_fence_context_new(chan); | |
73 | if (ret == 0) { | |
74 | struct nv84_fence_chan *fctx = chan->fence; | |
75 | fctx->base.emit32 = nvc0_fence_emit32; | |
76 | fctx->base.sync32 = nvc0_fence_sync32; | |
77 | } | |
78 | return ret; | |
79 | } | |
80 | ||
5e120f6e | 81 | int |
ebb945a9 | 82 | nvc0_fence_create(struct nouveau_drm *drm) |
5e120f6e | 83 | { |
264ce192 | 84 | int ret = nv84_fence_create(drm); |
5e120f6e | 85 | if (ret == 0) { |
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86 | struct nv84_fence_priv *priv = drm->fence; |
87 | priv->base.context_new = nvc0_fence_context_new; | |
5e120f6e | 88 | } |
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89 | return ret; |
90 | } |