| /* |
| * 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; |
| |
| idr_init(&dev->object_name_idr); |
| 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; |
| } |