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/*
* Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
* Copyright 2001-2003 S3 Graphics, Inc. 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
* VIA, S3 GRAPHICS, 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 "via_drm.h"
#include "via_drv.h"
static int via_do_init_map(struct drm_device * dev, drm_via_init_t * init)
{
drm_via_private_t *dev_priv = dev->dev_private;
DRM_DEBUG("\n");
dev_priv->sarea = drm_getsarea(dev);
if (!dev_priv->sarea) {
DRM_ERROR("could not find sarea!\n");
dev->dev_private = (void *)dev_priv;
via_do_cleanup_map(dev);
return -EINVAL;
}
dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
if (!dev_priv->fb) {
DRM_ERROR("could not find framebuffer!\n");
dev->dev_private = (void *)dev_priv;
via_do_cleanup_map(dev);
return -EINVAL;
}
dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
if (!dev_priv->mmio) {
DRM_ERROR("could not find mmio region!\n");
dev->dev_private = (void *)dev_priv;
via_do_cleanup_map(dev);
return -EINVAL;
}
dev_priv->sarea_priv =
(drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
init->sarea_priv_offset);
dev_priv->agpAddr = init->agpAddr;
via_init_futex(dev_priv);
via_init_dmablit(dev);
dev->dev_private = (void *)dev_priv;
return 0;
}
int via_do_cleanup_map(struct drm_device * dev)
{
via_dma_cleanup(dev);
return 0;
}
int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
drm_via_init_t *init = data;
DRM_DEBUG("\n");
switch (init->func) {
case VIA_INIT_MAP:
return via_do_init_map(dev, init);
case VIA_CLEANUP_MAP:
return via_do_cleanup_map(dev);
}
return -EINVAL;
}
int via_driver_load(struct drm_device *dev, unsigned long chipset)
{
drm_via_private_t *dev_priv;
int ret = 0;
dev_priv = kzalloc(sizeof(drm_via_private_t), GFP_KERNEL);
if (dev_priv == NULL)
return -ENOMEM;
dev->dev_private = (void *)dev_priv;
dev_priv->chipset = chipset;
ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
if (ret) {
kfree(dev_priv);
return ret;
}
ret = drm_vblank_init(dev, 1);
if (ret) {
drm_sman_takedown(&dev_priv->sman);
kfree(dev_priv);
return ret;
}
return 0;
}
int via_driver_unload(struct drm_device *dev)
{
drm_via_private_t *dev_priv = dev->dev_private;
drm_sman_takedown(&dev_priv->sman);
kfree(dev_priv);
return 0;
}
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