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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
25#include "nouveau_drm.h"
26#include "nouveau_dma.h"
27#include "nouveau_fence.h"
28
29#include "nv50_display.h"
30
31static int
32nvc0_fence_emit32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
33{
34 int ret = RING_SPACE(chan, 6);
35 if (ret == 0) {
36 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 5);
37 OUT_RING (chan, upper_32_bits(virtual));
38 OUT_RING (chan, lower_32_bits(virtual));
39 OUT_RING (chan, sequence);
40 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_WRITE_LONG);
41 OUT_RING (chan, 0x00000000);
42 FIRE_RING (chan);
43 }
44 return ret;
45}
46
47static int
48nvc0_fence_sync32(struct nouveau_channel *chan, u64 virtual, u32 sequence)
49{
50 int ret = RING_SPACE(chan, 5);
51 if (ret == 0) {
52 BEGIN_NVC0(chan, 0, NV84_SUBCHAN_SEMAPHORE_ADDRESS_HIGH, 4);
53 OUT_RING (chan, upper_32_bits(virtual));
54 OUT_RING (chan, lower_32_bits(virtual));
55 OUT_RING (chan, sequence);
56 OUT_RING (chan, NV84_SUBCHAN_SEMAPHORE_TRIGGER_ACQUIRE_GEQUAL |
57 NVC0_SUBCHAN_SEMAPHORE_TRIGGER_YIELD);
58 FIRE_RING (chan);
59 }
60 return ret;
61}
62
63static int
64nvc0_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
75int
76nvc0_fence_create(struct nouveau_drm *drm)
77{
78 int ret = nv84_fence_create(drm);
79 if (ret == 0) {
80 struct nv84_fence_priv *priv = drm->fence;
81 priv->base.context_new = nvc0_fence_context_new;
82 }
83 return ret;
84}
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
34static int
35nvc0_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
57static int
58nvc0_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
77static int
78nvc0_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
89int
90nvc0_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}