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path: root/drivers/char/drm/via_mm.c
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Diffstat (limited to 'drivers/char/drm/via_mm.c')
-rw-r--r--drivers/char/drm/via_mm.c194
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 e64094916e4..00000000000
--- 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;
-}