Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 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 <bskeggs@redhat.com> |
| 23 | */ |
| 24 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 25 | #include <core/object.h> |
| 26 | #include <core/class.h> |
| 27 | |
| 28 | #include "nouveau_drm.h" |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 29 | #include "nouveau_dma.h" |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 30 | #include "nouveau_fence.h" |
| 31 | |
| 32 | struct nv10_fence_chan { |
| 33 | struct nouveau_fence_chan base; |
| 34 | }; |
| 35 | |
| 36 | struct nv10_fence_priv { |
| 37 | struct nouveau_fence_priv base; |
| 38 | struct nouveau_bo *bo; |
| 39 | spinlock_t lock; |
| 40 | u32 sequence; |
| 41 | }; |
| 42 | |
Ben Skeggs | f589be8 | 2012-07-22 11:55:54 +1000 | [diff] [blame] | 43 | int |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 44 | nv10_fence_emit(struct nouveau_fence *fence) |
| 45 | { |
| 46 | struct nouveau_channel *chan = fence->channel; |
| 47 | int ret = RING_SPACE(chan, 2); |
| 48 | if (ret == 0) { |
| 49 | BEGIN_NV04(chan, 0, NV10_SUBCHAN_REF_CNT, 1); |
| 50 | OUT_RING (chan, fence->sequence); |
| 51 | FIRE_RING (chan); |
| 52 | } |
| 53 | return ret; |
| 54 | } |
| 55 | |
Ben Skeggs | 906c033 | 2012-05-04 16:25:47 +1000 | [diff] [blame] | 56 | |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 57 | static int |
Ben Skeggs | 906c033 | 2012-05-04 16:25:47 +1000 | [diff] [blame] | 58 | nv10_fence_sync(struct nouveau_fence *fence, |
| 59 | struct nouveau_channel *prev, struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 60 | { |
| 61 | return -ENODEV; |
| 62 | } |
| 63 | |
Ben Skeggs | f589be8 | 2012-07-22 11:55:54 +1000 | [diff] [blame] | 64 | int |
Ben Skeggs | 906c033 | 2012-05-04 16:25:47 +1000 | [diff] [blame] | 65 | nv17_fence_sync(struct nouveau_fence *fence, |
| 66 | struct nouveau_channel *prev, struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 67 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 68 | struct nv10_fence_priv *priv = chan->drm->fence; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 69 | u32 value; |
| 70 | int ret; |
| 71 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 72 | if (!mutex_trylock(&prev->cli->mutex)) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 73 | return -EBUSY; |
| 74 | |
| 75 | spin_lock(&priv->lock); |
| 76 | value = priv->sequence; |
| 77 | priv->sequence += 2; |
| 78 | spin_unlock(&priv->lock); |
| 79 | |
| 80 | ret = RING_SPACE(prev, 5); |
| 81 | if (!ret) { |
| 82 | BEGIN_NV04(prev, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4); |
| 83 | OUT_RING (prev, NvSema); |
| 84 | OUT_RING (prev, 0); |
| 85 | OUT_RING (prev, value + 0); |
| 86 | OUT_RING (prev, value + 1); |
| 87 | FIRE_RING (prev); |
| 88 | } |
| 89 | |
| 90 | if (!ret && !(ret = RING_SPACE(chan, 5))) { |
| 91 | BEGIN_NV04(chan, 0, NV11_SUBCHAN_DMA_SEMAPHORE, 4); |
| 92 | OUT_RING (chan, NvSema); |
| 93 | OUT_RING (chan, 0); |
| 94 | OUT_RING (chan, value + 1); |
| 95 | OUT_RING (chan, value + 2); |
| 96 | FIRE_RING (chan); |
| 97 | } |
| 98 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 99 | mutex_unlock(&prev->cli->mutex); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 100 | return 0; |
| 101 | } |
| 102 | |
Ben Skeggs | f589be8 | 2012-07-22 11:55:54 +1000 | [diff] [blame] | 103 | u32 |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 104 | nv10_fence_read(struct nouveau_channel *chan) |
| 105 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 106 | return nv_ro32(chan->object, 0x0048); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 107 | } |
| 108 | |
Ben Skeggs | f589be8 | 2012-07-22 11:55:54 +1000 | [diff] [blame] | 109 | void |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 110 | nv10_fence_context_del(struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 111 | { |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 112 | struct nv10_fence_chan *fctx = chan->fence; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 113 | nouveau_fence_context_del(&fctx->base); |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 114 | chan->fence = NULL; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 115 | kfree(fctx); |
| 116 | } |
| 117 | |
| 118 | static int |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 119 | nv10_fence_context_new(struct nouveau_channel *chan) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 120 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 121 | struct nv10_fence_priv *priv = chan->drm->fence; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 122 | struct nv10_fence_chan *fctx; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 123 | int ret = 0; |
| 124 | |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 125 | fctx = chan->fence = kzalloc(sizeof(*fctx), GFP_KERNEL); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 126 | if (!fctx) |
| 127 | return -ENOMEM; |
| 128 | |
| 129 | nouveau_fence_context_new(&fctx->base); |
| 130 | |
| 131 | if (priv->bo) { |
| 132 | struct ttm_mem_reg *mem = &priv->bo->bo.mem; |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 133 | struct nouveau_object *object; |
| 134 | u32 start = mem->start * PAGE_SIZE; |
| 135 | u32 limit = mem->start + mem->size - 1; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 136 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 137 | ret = nouveau_object_new(nv_object(chan->cli), chan->handle, |
| 138 | NvSema, 0x0002, |
| 139 | &(struct nv_dma_class) { |
| 140 | .flags = NV_DMA_TARGET_VRAM | |
| 141 | NV_DMA_ACCESS_RDWR, |
| 142 | .start = start, |
| 143 | .limit = limit, |
| 144 | }, sizeof(struct nv_dma_class), |
| 145 | &object); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 146 | } |
| 147 | |
| 148 | if (ret) |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 149 | nv10_fence_context_del(chan); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 150 | return ret; |
| 151 | } |
| 152 | |
Ben Skeggs | f589be8 | 2012-07-22 11:55:54 +1000 | [diff] [blame] | 153 | void |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 154 | nv10_fence_destroy(struct nouveau_drm *drm) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 155 | { |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 156 | struct nv10_fence_priv *priv = drm->fence; |
| 157 | nouveau_bo_unmap(priv->bo); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 158 | nouveau_bo_ref(NULL, &priv->bo); |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 159 | drm->fence = NULL; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 160 | kfree(priv); |
| 161 | } |
| 162 | |
| 163 | int |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 164 | nv10_fence_create(struct nouveau_drm *drm) |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 165 | { |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 166 | struct nv10_fence_priv *priv; |
| 167 | int ret = 0; |
| 168 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 169 | priv = drm->fence = kzalloc(sizeof(*priv), GFP_KERNEL); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 170 | if (!priv) |
| 171 | return -ENOMEM; |
| 172 | |
Ben Skeggs | e193b1d | 2012-07-19 10:51:42 +1000 | [diff] [blame] | 173 | priv->base.dtor = nv10_fence_destroy; |
| 174 | priv->base.context_new = nv10_fence_context_new; |
| 175 | priv->base.context_del = nv10_fence_context_del; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 176 | priv->base.emit = nv10_fence_emit; |
| 177 | priv->base.read = nv10_fence_read; |
| 178 | priv->base.sync = nv10_fence_sync; |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 179 | spin_lock_init(&priv->lock); |
| 180 | |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 181 | if (nv_device(drm->device)->chipset >= 0x17) { |
| 182 | ret = nouveau_bo_new(drm->dev, 4096, 0x1000, TTM_PL_FLAG_VRAM, |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 183 | 0, 0x0000, NULL, &priv->bo); |
| 184 | if (!ret) { |
| 185 | ret = nouveau_bo_pin(priv->bo, TTM_PL_FLAG_VRAM); |
| 186 | if (!ret) |
| 187 | ret = nouveau_bo_map(priv->bo); |
| 188 | if (ret) |
| 189 | nouveau_bo_ref(NULL, &priv->bo); |
| 190 | } |
| 191 | |
| 192 | if (ret == 0) { |
| 193 | nouveau_bo_wr32(priv->bo, 0x000, 0x00000000); |
| 194 | priv->base.sync = nv17_fence_sync; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if (ret) |
Ben Skeggs | ebb945a | 2012-07-20 08:17:34 +1000 | [diff] [blame] | 199 | nv10_fence_destroy(drm); |
Ben Skeggs | 5e120f6 | 2012-04-30 13:55:29 +1000 | [diff] [blame] | 200 | return ret; |
| 201 | } |