diff options
Diffstat (limited to 'shared-core/nouveau_notifier.c')
| -rw-r--r-- | shared-core/nouveau_notifier.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/shared-core/nouveau_notifier.c b/shared-core/nouveau_notifier.c deleted file mode 100644 index edece4da..00000000 --- a/shared-core/nouveau_notifier.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Copyright (C) 2007 Ben Skeggs. - * - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#include "drmP.h" -#include "drm.h" -#include "nouveau_drv.h" - -int -nouveau_notifier_init_channel(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - int flags, ret; - - flags = (NOUVEAU_MEM_PCI | NOUVEAU_MEM_MAPPED | - NOUVEAU_MEM_FB_ACCEPTABLE); - - chan->notifier_block = nouveau_mem_alloc(dev, 0, PAGE_SIZE, flags, - (struct drm_file *)-2); - if (!chan->notifier_block) - return -ENOMEM; - DRM_DEBUG("Allocated notifier block in 0x%08x\n", - chan->notifier_block->flags); - - ret = nouveau_mem_init_heap(&chan->notifier_heap, - 0, chan->notifier_block->size); - if (ret) - return ret; - - return 0; -} - -void -nouveau_notifier_takedown_channel(struct nouveau_channel *chan) -{ - struct drm_device *dev = chan->dev; - - if (chan->notifier_block) { - nouveau_mem_free(dev, chan->notifier_block); - chan->notifier_block = NULL; - } - - nouveau_mem_takedown(&chan->notifier_heap); -} - -static void -nouveau_notifier_gpuobj_dtor(struct drm_device *dev, - struct nouveau_gpuobj *gpuobj) -{ - DRM_DEBUG("\n"); - - if (gpuobj->priv) - nouveau_mem_free_block(gpuobj->priv); -} - -int -nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle, - int count, uint32_t *b_offset) -{ - struct drm_device *dev = chan->dev; - struct drm_nouveau_private *dev_priv = dev->dev_private; - struct nouveau_gpuobj *nobj = NULL; - struct mem_block *mem; - uint32_t offset; - int target, ret; - - if (!chan->notifier_heap) { - DRM_ERROR("Channel %d doesn't have a notifier heap!\n", - chan->id); - return -EINVAL; - } - - mem = nouveau_mem_alloc_block(chan->notifier_heap, count*32, 0, - (struct drm_file *)-2, 0); - if (!mem) { - DRM_ERROR("Channel %d notifier block full\n", chan->id); - return -ENOMEM; - } - mem->flags = NOUVEAU_MEM_NOTIFIER; - - offset = chan->notifier_block->start; - if (chan->notifier_block->flags & NOUVEAU_MEM_FB) { - target = NV_DMA_TARGET_VIDMEM; - } else - if (chan->notifier_block->flags & NOUVEAU_MEM_AGP) { - if (dev_priv->gart_info.type == NOUVEAU_GART_SGDMA && - dev_priv->card_type < NV_50) { - ret = nouveau_sgdma_get_page(dev, offset, &offset); - if (ret) - return ret; - target = NV_DMA_TARGET_PCI; - } else { - target = NV_DMA_TARGET_AGP; - } - } else - if (chan->notifier_block->flags & NOUVEAU_MEM_PCI) { - target = NV_DMA_TARGET_PCI_NONLINEAR; - } else { - DRM_ERROR("Bad DMA target, flags 0x%08x!\n", - chan->notifier_block->flags); - return -EINVAL; - } - offset += mem->start; - - if ((ret = nouveau_gpuobj_dma_new(chan, NV_CLASS_DMA_IN_MEMORY, - offset, mem->size, - NV_DMA_ACCESS_RW, target, &nobj))) { - nouveau_mem_free_block(mem); - DRM_ERROR("Error creating notifier ctxdma: %d\n", ret); - return ret; - } - nobj->dtor = nouveau_notifier_gpuobj_dtor; - nobj->priv = mem; - - if ((ret = nouveau_gpuobj_ref_add(dev, chan, handle, nobj, NULL))) { - nouveau_gpuobj_del(dev, &nobj); - nouveau_mem_free_block(mem); - DRM_ERROR("Error referencing notifier ctxdma: %d\n", ret); - return ret; - } - - *b_offset = mem->start; - return 0; -} - -int -nouveau_ioctl_notifier_alloc(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - struct drm_nouveau_notifierobj_alloc *na = data; - struct nouveau_channel *chan; - int ret; - - NOUVEAU_CHECK_INITIALISED_WITH_RETURN; - NOUVEAU_GET_USER_CHANNEL_WITH_RETURN(na->channel, file_priv, chan); - - ret = nouveau_notifier_alloc(chan, na->handle, na->count, &na->offset); - if (ret) - return ret; - - return 0; -} |