1f589be88SBen Skeggs /*
2f589be88SBen Skeggs * Copyright 2012 Red Hat Inc.
3f589be88SBen Skeggs *
4f589be88SBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a
5f589be88SBen Skeggs * copy of this software and associated documentation files (the "Software"),
6f589be88SBen Skeggs * to deal in the Software without restriction, including without limitation
7f589be88SBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8f589be88SBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the
9f589be88SBen Skeggs * Software is furnished to do so, subject to the following conditions:
10f589be88SBen Skeggs *
11f589be88SBen Skeggs * The above copyright notice and this permission notice shall be included in
12f589be88SBen Skeggs * all copies or substantial portions of the Software.
13f589be88SBen Skeggs *
14f589be88SBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15f589be88SBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16f589be88SBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17f589be88SBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18f589be88SBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19f589be88SBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20f589be88SBen Skeggs * OTHER DEALINGS IN THE SOFTWARE.
21f589be88SBen Skeggs *
22f589be88SBen Skeggs * Authors: Ben Skeggs <bskeggs@redhat.com>
23f589be88SBen Skeggs */
24f589be88SBen Skeggs
25fdb751efSBen Skeggs #include <nvif/os.h>
26fdb751efSBen Skeggs #include <nvif/class.h>
27845f2725SBen Skeggs #include <nvif/cl0002.h>
28ebb945a9SBen Skeggs
294dc28134SBen Skeggs #include "nouveau_drv.h"
30f589be88SBen Skeggs #include "nouveau_dma.h"
31a4cea27bSMarcin Slusarz #include "nv10_fence.h"
32f589be88SBen Skeggs
3377145f1cSBen Skeggs #include "nv50_display.h"
3477145f1cSBen Skeggs
35f589be88SBen Skeggs static int
nv50_fence_context_new(struct nouveau_channel * chan)36f589be88SBen Skeggs nv50_fence_context_new(struct nouveau_channel *chan)
37f589be88SBen Skeggs {
38a4cea27bSMarcin Slusarz struct nv10_fence_priv *priv = chan->drm->fence;
39a4cea27bSMarcin Slusarz struct nv10_fence_chan *fctx;
40*d3116756SChristian König struct ttm_resource *reg = priv->bo->bo.resource;
41605f9ccdSBen Skeggs u32 start = reg->start * PAGE_SIZE;
42e11bfb99SChristian König u32 limit = start + priv->bo->bo.base.size - 1;
43e1ef6b42SBen Skeggs int ret;
44f589be88SBen Skeggs
45f589be88SBen Skeggs fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL);
46f589be88SBen Skeggs if (!fctx)
47f589be88SBen Skeggs return -ENOMEM;
48f589be88SBen Skeggs
4929ba89b2SMaarten Lankhorst nouveau_fence_context_new(chan, &fctx->base);
50827520ceSBen Skeggs fctx->base.emit = nv10_fence_emit;
51827520ceSBen Skeggs fctx->base.read = nv10_fence_read;
52827520ceSBen Skeggs fctx->base.sync = nv17_fence_sync;
53f589be88SBen Skeggs
549ac596a4SBen Skeggs ret = nvif_object_ctor(&chan->user, "fenceCtxDma", NvSema,
559ac596a4SBen Skeggs NV_DMA_IN_MEMORY,
564acfd707SBen Skeggs &(struct nv_dma_v0) {
574acfd707SBen Skeggs .target = NV_DMA_V0_TARGET_VRAM,
584acfd707SBen Skeggs .access = NV_DMA_V0_ACCESS_RDWR,
597a7da592SMaarten Lankhorst .start = start,
607a7da592SMaarten Lankhorst .limit = limit,
614acfd707SBen Skeggs }, sizeof(struct nv_dma_v0),
620ad72863SBen Skeggs &fctx->sema);
63f589be88SBen Skeggs if (ret)
64f589be88SBen Skeggs nv10_fence_context_del(chan);
65f589be88SBen Skeggs return ret;
66f589be88SBen Skeggs }
67f589be88SBen Skeggs
68f589be88SBen Skeggs int
nv50_fence_create(struct nouveau_drm * drm)69ebb945a9SBen Skeggs nv50_fence_create(struct nouveau_drm *drm)
70f589be88SBen Skeggs {
71a4cea27bSMarcin Slusarz struct nv10_fence_priv *priv;
72f589be88SBen Skeggs int ret = 0;
73f589be88SBen Skeggs
74ebb945a9SBen Skeggs priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL);
75f589be88SBen Skeggs if (!priv)
76f589be88SBen Skeggs return -ENOMEM;
77f589be88SBen Skeggs
78f589be88SBen Skeggs priv->base.dtor = nv10_fence_destroy;
79827520ceSBen Skeggs priv->base.resume = nv17_fence_resume;
80f589be88SBen Skeggs priv->base.context_new = nv50_fence_context_new;
81f589be88SBen Skeggs priv->base.context_del = nv10_fence_context_del;
82f589be88SBen Skeggs spin_lock_init(&priv->lock);
83f589be88SBen Skeggs
8481b61579SChristian König ret = nouveau_bo_new(&drm->client, 4096, 0x1000,
8581b61579SChristian König NOUVEAU_GEM_DOMAIN_VRAM,
86bb6178b0SMaarten Lankhorst 0, 0x0000, NULL, NULL, &priv->bo);
87f589be88SBen Skeggs if (!ret) {
8881b61579SChristian König ret = nouveau_bo_pin(priv->bo, NOUVEAU_GEM_DOMAIN_VRAM, false);
8904c8c210SMarcin Slusarz if (!ret) {
90f589be88SBen Skeggs ret = nouveau_bo_map(priv->bo);
91f589be88SBen Skeggs if (ret)
9204c8c210SMarcin Slusarz nouveau_bo_unpin(priv->bo);
9304c8c210SMarcin Slusarz }
9404c8c210SMarcin Slusarz if (ret)
95f589be88SBen Skeggs nouveau_bo_ref(NULL, &priv->bo);
96f589be88SBen Skeggs }
97f589be88SBen Skeggs
98827520ceSBen Skeggs if (ret) {
99827520ceSBen Skeggs nv10_fence_destroy(drm);
100827520ceSBen Skeggs return ret;
101ebb945a9SBen Skeggs }
102ebb945a9SBen Skeggs
103827520ceSBen Skeggs nouveau_bo_wr32(priv->bo, 0x000, 0x00000000);
104f589be88SBen Skeggs return ret;
105f589be88SBen Skeggs }
106