diff options
Diffstat (limited to 'drivers/char/drm/via_mm.c')
| -rw-r--r-- | drivers/char/drm/via_mm.c | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/drivers/char/drm/via_mm.c b/drivers/char/drm/via_mm.c deleted file mode 100644 index e640949..0000000 --- a/drivers/char/drm/via_mm.c +++ /dev/null @@ -1,194 +0,0 @@ -/* - * Copyright 2006 Tungsten Graphics Inc., Bismarck, ND., USA. - * 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, sub license, - * 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 NON-INFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS AND/OR THEIR 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. - */ -/* - * Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com> - */ - -#include "drmP.h" -#include "via_drm.h" -#include "via_drv.h" -#include "drm_sman.h" - -#define VIA_MM_ALIGN_SHIFT 4 -#define VIA_MM_ALIGN_MASK ( (1 << VIA_MM_ALIGN_SHIFT) - 1) - -int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_agp_t *agp = data; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm_sman_set_range(&dev_priv->sman, VIA_MEM_AGP, 0, - agp->size >> VIA_MM_ALIGN_SHIFT); - - if (ret) { - DRM_ERROR("AGP memory manager initialisation error\n"); - mutex_unlock(&dev->struct_mutex); - return ret; - } - - dev_priv->agp_initialized = 1; - dev_priv->agp_offset = agp->offset; - mutex_unlock(&dev->struct_mutex); - - DRM_DEBUG("offset = %u, size = %u\n", agp->offset, agp->size); - return 0; -} - -int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_fb_t *fb = data; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm_sman_set_range(&dev_priv->sman, VIA_MEM_VIDEO, 0, - fb->size >> VIA_MM_ALIGN_SHIFT); - - if (ret) { - DRM_ERROR("VRAM memory manager initialisation error\n"); - mutex_unlock(&dev->struct_mutex); - return ret; - } - - dev_priv->vram_initialized = 1; - dev_priv->vram_offset = fb->offset; - - mutex_unlock(&dev->struct_mutex); - DRM_DEBUG("offset = %u, size = %u\n", fb->offset, fb->size); - - return 0; - -} - -int via_final_context(struct drm_device *dev, int context) -{ - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - via_release_futex(dev_priv, context); - - /* Linux specific until context tracking code gets ported to BSD */ - /* Last context, perform cleanup */ - if (dev->ctx_count == 1 && dev->dev_private) { - DRM_DEBUG("Last Context\n"); - if (dev->irq) - drm_irq_uninstall(dev); - via_cleanup_futex(dev_priv); - via_do_cleanup_map(dev); - } - return 1; -} - -void via_lastclose(struct drm_device *dev) -{ - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - - if (!dev_priv) - return; - - mutex_lock(&dev->struct_mutex); - drm_sman_cleanup(&dev_priv->sman); - dev_priv->vram_initialized = 0; - dev_priv->agp_initialized = 0; - mutex_unlock(&dev->struct_mutex); -} - -int via_mem_alloc(struct drm_device *dev, void *data, - struct drm_file *file_priv) -{ - drm_via_mem_t *mem = data; - int retval = 0; - struct drm_memblock_item *item; - drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; - unsigned long tmpSize; - - if (mem->type > VIA_MEM_AGP) { - DRM_ERROR("Unknown memory type allocation\n"); - return -EINVAL; - } - mutex_lock(&dev->struct_mutex); - if (0 == ((mem->type == VIA_MEM_VIDEO) ? dev_priv->vram_initialized : - dev_priv->agp_initialized)) { - DRM_ERROR - ("Attempt to allocate from uninitialized memory manager.\n"); - mutex_unlock(&dev->struct_mutex); - return -EINVAL; - } - - tmpSize = (mem->size + VIA_MM_ALIGN_MASK) >> VIA_MM_ALIGN_SHIFT; - item = drm_sman_alloc(&dev_priv->sman, mem->type, tmpSize, 0, - (unsigned long)file_priv); - mutex_unlock(&dev->struct_mutex); - if (item) { - mem->offset = ((mem->type == VIA_MEM_VIDEO) ? - dev_priv->vram_offset : dev_priv->agp_offset) + - (item->mm-> - offset(item->mm, item->mm_info) << VIA_MM_ALIGN_SHIFT); - mem->index = item->user_hash.key; - } else { - mem->offset = 0; - mem->size = 0; - mem->index = 0; - DRM_DEBUG("Video memory allocation failed\n"); - retval = -ENOMEM; - } - - return retval; -} - -int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv) -{ - drm_via_private_t *dev_priv = dev->dev_private; - drm_via_mem_t *mem = data; - int ret; - - mutex_lock(&dev->struct_mutex); - ret = drm_sman_free_key(&dev_priv->sman, mem->index); - mutex_unlock(&dev->struct_mutex); - DRM_DEBUG("free = 0x%lx\n", mem->index); - - return ret; -} - - -void via_reclaim_buffers_locked(struct drm_device * dev, - struct drm_file *file_priv) -{ - drm_via_private_t *dev_priv = dev->dev_private; - - mutex_lock(&dev->struct_mutex); - if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)file_priv)) { - mutex_unlock(&dev->struct_mutex); - return; - } - - if (dev->driver->dma_quiescent) { - dev->driver->dma_quiescent(dev); - } - - drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)file_priv); - mutex_unlock(&dev->struct_mutex); - return; -} |
