2 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
3 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sub license,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial portions
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
28 static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
30 drm_via_private_t *dev_priv = dev->dev_private;
32 DRM_DEBUG("%s\n", __FUNCTION__);
35 if (!dev_priv->sarea) {
36 DRM_ERROR("could not find sarea!\n");
37 dev->dev_private = (void *)dev_priv;
38 via_do_cleanup_map(dev);
42 dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
44 DRM_ERROR("could not find framebuffer!\n");
45 dev->dev_private = (void *)dev_priv;
46 via_do_cleanup_map(dev);
49 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
50 if (!dev_priv->mmio) {
51 DRM_ERROR("could not find mmio region!\n");
52 dev->dev_private = (void *)dev_priv;
53 via_do_cleanup_map(dev);
57 dev_priv->sarea_priv =
58 (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
59 init->sarea_priv_offset);
61 dev_priv->agpAddr = init->agpAddr;
63 via_init_futex(dev_priv);
65 via_init_dmablit(dev);
67 dev->dev_private = (void *)dev_priv;
71 int via_do_cleanup_map(drm_device_t * dev)
78 int via_map_init(DRM_IOCTL_ARGS)
83 DRM_DEBUG("%s\n", __FUNCTION__);
85 DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t __user *) data,
90 return via_do_init_map(dev, &init);
92 return via_do_cleanup_map(dev);
98 int via_driver_load(drm_device_t *dev, unsigned long chipset)
100 drm_via_private_t *dev_priv;
103 dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
104 if (dev_priv == NULL)
105 return DRM_ERR(ENOMEM);
107 dev->dev_private = (void *)dev_priv;
109 if (chipset == VIA_PRO_GROUP_A)
110 dev_priv->pro_group_a = 1;
112 ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
114 drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
119 int via_driver_unload(drm_device_t *dev)
121 drm_via_private_t *dev_priv = dev->dev_private;
123 drm_sman_takedown(&dev_priv->sman);
125 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);