2005-06-28 06:48:56 -06:00
|
|
|
/*
|
2006-08-07 06:03:22 -06:00
|
|
|
* Copyright 2006 Tungsten Graphics Inc., Bismarck, ND., USA.
|
|
|
|
* All rights reserved.
|
2005-06-28 06:48:56 -06:00
|
|
|
*
|
|
|
|
* 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
|
2006-08-07 06:03:22 -06:00
|
|
|
* 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,
|
2005-06-28 06:48:56 -06:00
|
|
|
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
|
|
* DEALINGS IN THE SOFTWARE.
|
|
|
|
*/
|
2006-08-07 06:03:22 -06:00
|
|
|
/*
|
2007-10-19 15:21:04 -06:00
|
|
|
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
|
2006-08-07 06:03:22 -06:00
|
|
|
*/
|
|
|
|
|
2012-10-02 11:01:07 -06:00
|
|
|
#include <drm/drmP.h>
|
|
|
|
#include <drm/via_drm.h>
|
2005-06-28 06:48:56 -06:00
|
|
|
#include "via_drv.h"
|
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
#define VIA_MM_ALIGN_SHIFT 4
|
2010-07-11 07:32:42 -06:00
|
|
|
#define VIA_MM_ALIGN_MASK ((1 << VIA_MM_ALIGN_SHIFT) - 1)
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2011-10-26 14:21:13 -06:00
|
|
|
struct via_memblock {
|
|
|
|
struct drm_mm_node mm_node;
|
|
|
|
struct list_head owner_list;
|
|
|
|
};
|
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
int via_agp_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
2005-06-28 06:48:56 -06:00
|
|
|
{
|
2007-09-02 20:06:45 -06:00
|
|
|
drm_via_agp_t *agp = data;
|
2006-08-07 06:03:22 -06:00
|
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
2011-10-26 14:21:13 -06:00
|
|
|
drm_mm_init(&dev_priv->agp_mm, 0, agp->size >> VIA_MM_ALIGN_SHIFT);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-19 01:40:50 -06:00
|
|
|
dev_priv->agp_initialized = 1;
|
2007-09-02 20:06:45 -06:00
|
|
|
dev_priv->agp_offset = agp->offset;
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2008-01-23 22:58:57 -07:00
|
|
|
DRM_DEBUG("offset = %u, size = %u\n", agp->offset, agp->size);
|
2005-06-28 06:48:56 -06:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
int via_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
2005-06-28 06:48:56 -06:00
|
|
|
{
|
2007-09-02 20:06:45 -06:00
|
|
|
drm_via_fb_t *fb = data;
|
2006-08-07 06:03:22 -06:00
|
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
2011-10-26 14:21:13 -06:00
|
|
|
drm_mm_init(&dev_priv->vram_mm, 0, fb->size >> VIA_MM_ALIGN_SHIFT);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-19 01:40:50 -06:00
|
|
|
dev_priv->vram_initialized = 1;
|
2007-09-02 20:06:45 -06:00
|
|
|
dev_priv->vram_offset = fb->offset;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2008-01-23 22:58:57 -07:00
|
|
|
DRM_DEBUG("offset = %u, size = %u\n", fb->offset, fb->size);
|
2006-08-07 06:03:22 -06:00
|
|
|
|
|
|
|
return 0;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
int via_final_context(struct drm_device *dev, int context)
|
2005-09-24 22:28:13 -06:00
|
|
|
{
|
2005-06-28 06:48:56 -06:00
|
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
|
|
|
|
2005-09-24 22:28:13 -06:00
|
|
|
via_release_futex(dev_priv, context);
|
|
|
|
|
2005-06-28 06:48:56 -06:00
|
|
|
/* Linux specific until context tracking code gets ported to BSD */
|
|
|
|
/* Last context, perform cleanup */
|
2014-04-05 02:19:55 -06:00
|
|
|
if (list_is_singular(&dev->ctxlist)) {
|
2005-09-24 22:28:13 -06:00
|
|
|
DRM_DEBUG("Last Context\n");
|
2008-09-15 16:00:33 -06:00
|
|
|
drm_irq_uninstall(dev);
|
2005-06-28 06:48:56 -06:00
|
|
|
via_cleanup_futex(dev_priv);
|
|
|
|
via_do_cleanup_map(dev);
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
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);
|
2011-10-26 14:21:13 -06:00
|
|
|
if (dev_priv->vram_initialized) {
|
|
|
|
drm_mm_takedown(&dev_priv->vram_mm);
|
|
|
|
dev_priv->vram_initialized = 0;
|
|
|
|
}
|
|
|
|
if (dev_priv->agp_initialized) {
|
|
|
|
drm_mm_takedown(&dev_priv->agp_mm);
|
|
|
|
dev_priv->agp_initialized = 0;
|
|
|
|
}
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2007-11-04 19:50:58 -07:00
|
|
|
}
|
2006-08-07 06:03:22 -06:00
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
int via_mem_alloc(struct drm_device *dev, void *data,
|
2011-10-25 08:32:45 -06:00
|
|
|
struct drm_file *file)
|
2005-06-28 06:48:56 -06:00
|
|
|
{
|
2007-09-02 20:06:45 -06:00
|
|
|
drm_via_mem_t *mem = data;
|
2011-10-25 09:55:31 -06:00
|
|
|
int retval = 0, user_key;
|
2011-10-26 14:21:13 -06:00
|
|
|
struct via_memblock *item;
|
2006-08-07 06:03:22 -06:00
|
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
2011-10-25 08:32:45 -06:00
|
|
|
struct via_file_private *file_priv = file->driver_priv;
|
2006-08-07 06:03:22 -06:00
|
|
|
unsigned long tmpSize;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
if (mem->type > VIA_MEM_AGP) {
|
2006-08-07 06:03:22 -06:00
|
|
|
DRM_ERROR("Unknown memory type allocation\n");
|
2007-08-25 03:22:43 -06:00
|
|
|
return -EINVAL;
|
2005-06-28 06:48:56 -06:00
|
|
|
}
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
2007-09-02 20:06:45 -06:00
|
|
|
if (0 == ((mem->type == VIA_MEM_VIDEO) ? dev_priv->vram_initialized :
|
2006-08-07 06:03:22 -06:00
|
|
|
dev_priv->agp_initialized)) {
|
|
|
|
DRM_ERROR
|
|
|
|
("Attempt to allocate from uninitialized memory manager.\n");
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2007-08-25 03:22:43 -06:00
|
|
|
return -EINVAL;
|
2005-06-28 06:48:56 -06:00
|
|
|
}
|
|
|
|
|
2011-10-26 14:21:13 -06:00
|
|
|
item = kzalloc(sizeof(*item), GFP_KERNEL);
|
2011-10-25 09:55:31 -06:00
|
|
|
if (!item) {
|
|
|
|
retval = -ENOMEM;
|
|
|
|
goto fail_alloc;
|
|
|
|
}
|
2011-10-25 08:32:45 -06:00
|
|
|
|
2011-10-26 14:21:13 -06:00
|
|
|
tmpSize = (mem->size + VIA_MM_ALIGN_MASK) >> VIA_MM_ALIGN_SHIFT;
|
|
|
|
if (mem->type == VIA_MEM_AGP)
|
|
|
|
retval = drm_mm_insert_node(&dev_priv->agp_mm,
|
|
|
|
&item->mm_node,
|
2013-07-27 05:36:27 -06:00
|
|
|
tmpSize, 0, DRM_MM_SEARCH_DEFAULT);
|
2011-10-26 14:21:13 -06:00
|
|
|
else
|
|
|
|
retval = drm_mm_insert_node(&dev_priv->vram_mm,
|
|
|
|
&item->mm_node,
|
2013-07-27 05:36:27 -06:00
|
|
|
tmpSize, 0, DRM_MM_SEARCH_DEFAULT);
|
2011-10-26 14:21:13 -06:00
|
|
|
if (retval)
|
|
|
|
goto fail_alloc;
|
|
|
|
|
2013-02-27 18:04:12 -07:00
|
|
|
retval = idr_alloc(&dev_priv->object_idr, item, 1, 0, GFP_KERNEL);
|
|
|
|
if (retval < 0)
|
2011-10-25 09:55:31 -06:00
|
|
|
goto fail_idr;
|
2013-02-27 18:04:12 -07:00
|
|
|
user_key = retval;
|
2011-10-25 09:55:31 -06:00
|
|
|
|
|
|
|
list_add(&item->owner_list, &file_priv->obj_list);
|
2011-10-25 08:32:45 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2011-10-25 09:55:31 -06:00
|
|
|
mem->offset = ((mem->type == VIA_MEM_VIDEO) ?
|
|
|
|
dev_priv->vram_offset : dev_priv->agp_offset) +
|
2011-10-26 14:21:13 -06:00
|
|
|
((item->mm_node.start) << VIA_MM_ALIGN_SHIFT);
|
2011-10-25 09:55:31 -06:00
|
|
|
mem->index = user_key;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
fail_idr:
|
2011-10-26 14:21:13 -06:00
|
|
|
drm_mm_remove_node(&item->mm_node);
|
2011-10-25 09:55:31 -06:00
|
|
|
fail_alloc:
|
2011-10-26 14:21:13 -06:00
|
|
|
kfree(item);
|
2011-10-25 09:55:31 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
|
|
|
|
mem->offset = 0;
|
|
|
|
mem->size = 0;
|
|
|
|
mem->index = 0;
|
|
|
|
DRM_DEBUG("Video memory allocation failed\n");
|
|
|
|
|
2005-06-28 06:48:56 -06:00
|
|
|
return retval;
|
|
|
|
}
|
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
int via_mem_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
|
2005-06-28 06:48:56 -06:00
|
|
|
{
|
2006-08-07 06:03:22 -06:00
|
|
|
drm_via_private_t *dev_priv = dev->dev_private;
|
2007-09-02 20:06:45 -06:00
|
|
|
drm_via_mem_t *mem = data;
|
2011-10-26 14:21:13 -06:00
|
|
|
struct via_memblock *obj;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
2011-10-25 09:55:31 -06:00
|
|
|
obj = idr_find(&dev_priv->object_idr, mem->index);
|
|
|
|
if (obj == NULL) {
|
|
|
|
mutex_unlock(&dev->struct_mutex);
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
idr_remove(&dev_priv->object_idr, mem->index);
|
2011-10-26 14:21:13 -06:00
|
|
|
list_del(&obj->owner_list);
|
|
|
|
drm_mm_remove_node(&obj->mm_node);
|
|
|
|
kfree(obj);
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2011-10-25 09:55:31 -06:00
|
|
|
|
2007-09-02 20:06:45 -06:00
|
|
|
DRM_DEBUG("free = 0x%lx\n", mem->index);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2012-01-08 14:42:27 -07:00
|
|
|
return 0;
|
2005-06-28 06:48:56 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-07-11 07:32:42 -06:00
|
|
|
void via_reclaim_buffers_locked(struct drm_device *dev,
|
2011-10-25 08:32:45 -06:00
|
|
|
struct drm_file *file)
|
2005-06-28 06:48:56 -06:00
|
|
|
{
|
2011-10-25 08:32:45 -06:00
|
|
|
struct via_file_private *file_priv = file->driver_priv;
|
2011-10-26 14:21:13 -06:00
|
|
|
struct via_memblock *entry, *next;
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2011-10-25 15:37:09 -06:00
|
|
|
if (!(file->minor->master && file->master->lock.hw_lock))
|
|
|
|
return;
|
|
|
|
|
|
|
|
drm_idlelock_take(&file->master->lock);
|
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_lock(&dev->struct_mutex);
|
2011-10-25 08:32:45 -06:00
|
|
|
if (list_empty(&file_priv->obj_list)) {
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2011-10-25 15:37:09 -06:00
|
|
|
drm_idlelock_release(&file->master->lock);
|
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
return;
|
2005-06-28 06:48:56 -06:00
|
|
|
}
|
|
|
|
|
2011-10-25 15:37:09 -06:00
|
|
|
via_driver_dma_quiescent(dev);
|
2005-06-28 06:48:56 -06:00
|
|
|
|
2011-10-25 08:32:45 -06:00
|
|
|
list_for_each_entry_safe(entry, next, &file_priv->obj_list,
|
|
|
|
owner_list) {
|
2011-10-26 14:21:13 -06:00
|
|
|
list_del(&entry->owner_list);
|
|
|
|
drm_mm_remove_node(&entry->mm_node);
|
|
|
|
kfree(entry);
|
2011-10-25 08:32:45 -06:00
|
|
|
}
|
2006-08-07 06:03:22 -06:00
|
|
|
mutex_unlock(&dev->struct_mutex);
|
2011-10-25 15:37:09 -06:00
|
|
|
|
|
|
|
drm_idlelock_release(&file->master->lock);
|
|
|
|
|
2006-08-07 06:03:22 -06:00
|
|
|
return;
|
2005-06-28 06:48:56 -06:00
|
|
|
}
|