![Dave Airlie](/assets/img/avatar_default.png)
This just realigns some code/whitespace between the kernel and main tree Signed-off-by: Dave Airlie <airlied@linux.ie>
210 lines
5.7 KiB
C
210 lines
5.7 KiB
C
/*
|
|
* 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(DRM_IOCTL_ARGS)
|
|
{
|
|
DRM_DEVICE;
|
|
drm_via_agp_t agp;
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
|
int ret;
|
|
|
|
DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t __user *) data,
|
|
sizeof(agp));
|
|
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", agp.offset, agp.size);
|
|
return 0;
|
|
}
|
|
|
|
int via_fb_init(DRM_IOCTL_ARGS)
|
|
{
|
|
DRM_DEVICE;
|
|
drm_via_fb_t fb;
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
|
int ret;
|
|
|
|
DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t __user *) data, sizeof(fb));
|
|
|
|
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", 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(DRM_IOCTL_ARGS)
|
|
{
|
|
DRM_DEVICE;
|
|
|
|
drm_via_mem_t mem;
|
|
int retval = 0;
|
|
drm_memblock_item_t *item;
|
|
drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
|
|
unsigned long tmpSize;
|
|
|
|
DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
|
|
sizeof(mem));
|
|
|
|
if (mem.type > VIA_MEM_AGP) {
|
|
DRM_ERROR("Unknown memory type allocation\n");
|
|
return DRM_ERR(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 DRM_ERR(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)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 = DRM_ERR(ENOMEM);
|
|
}
|
|
DRM_COPY_TO_USER_IOCTL((drm_via_mem_t __user *) data, mem, sizeof(mem));
|
|
|
|
return retval;
|
|
}
|
|
|
|
int via_mem_free(DRM_IOCTL_ARGS)
|
|
{
|
|
DRM_DEVICE;
|
|
drm_via_private_t *dev_priv = dev->dev_private;
|
|
drm_via_mem_t mem;
|
|
int ret;
|
|
|
|
DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t __user *) data,
|
|
sizeof(mem));
|
|
|
|
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(drm_device_t * dev, struct file *filp)
|
|
{
|
|
drm_via_private_t *dev_priv = dev->dev_private;
|
|
drm_file_t *priv = filp->private_data;
|
|
|
|
mutex_lock(&dev->struct_mutex);
|
|
if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)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)priv);
|
|
mutex_unlock(&dev->struct_mutex);
|
|
return;
|
|
}
|