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 | #include "nouveau_drv.h" |
25 | #include "nouveau_dma.h" |
26 | #include "nouveau_fence.h" |
27 | |
28 | #include "nv50_display.h" |
29 | |
30 | #include <nvif/push906f.h> |
31 | |
32 | #include <nvhw/class/cl906f.h> |
33 | |
34 | static int |
35 | nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
36 | { |
37 | struct nvif_push *push = chan->chan.push; |
38 | int ret = PUSH_WAIT(push, 6); |
39 | if (ret == 0) { |
40 | PUSH_MTHD(push, NV906F, SEMAPHOREA, |
41 | NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)), |
42 | |
43 | SEMAPHOREB, lower_32_bits(virtual), |
44 | SEMAPHOREC, sequence, |
45 | |
46 | SEMAPHORED, |
47 | NVDEF(NV906F, SEMAPHORED, OPERATION, RELEASE) | |
48 | NVDEF(NV906F, SEMAPHORED, RELEASE_WFI, EN) | |
49 | NVDEF(NV906F, SEMAPHORED, RELEASE_SIZE, 16BYTE), |
50 | |
51 | NON_STALL_INTERRUPT, 0); |
52 | PUSH_KICK(push); |
53 | } |
54 | return ret; |
55 | } |
56 | |
57 | static int |
58 | nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence) |
59 | { |
60 | struct nvif_push *push = chan->chan.push; |
61 | int ret = PUSH_WAIT(push, 5); |
62 | if (ret == 0) { |
63 | PUSH_MTHD(push, NV906F, SEMAPHOREA, |
64 | NVVAL(NV906F, SEMAPHOREA, OFFSET_UPPER, upper_32_bits(virtual)), |
65 | |
66 | SEMAPHOREB, lower_32_bits(virtual), |
67 | SEMAPHOREC, sequence, |
68 | |
69 | SEMAPHORED, |
70 | NVDEF(NV906F, SEMAPHORED, OPERATION, ACQ_GEQ) | |
71 | NVDEF(NV906F, SEMAPHORED, ACQUIRE_SWITCH, ENABLED)); |
72 | PUSH_KICK(push); |
73 | } |
74 | return ret; |
75 | } |
76 | |
77 | static int |
78 | nvc0_fence_context_new(struct nouveau_channel *chan) |
79 | { |
80 | int ret = nv84_fence_context_new(chan); |
81 | if (ret == 0) { |
82 | struct nv84_fence_chan *fctx = chan->fence; |
83 | fctx->base.emit32 = nvc0_fence_emit32; |
84 | fctx->base.sync32 = nvc0_fence_sync32; |
85 | } |
86 | return ret; |
87 | } |
88 | |
89 | int |
90 | nvc0_fence_create(struct nouveau_drm *drm) |
91 | { |
92 | int ret = nv84_fence_create(drm); |
93 | if (ret == 0) { |
94 | struct nv84_fence_priv *priv = drm->fence; |
95 | priv->base.context_new = nvc0_fence_context_new; |
96 | } |
97 | return ret; |
98 | } |
99 | |