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(struct drm_device * dev, drm_via_init_t * init)
30 drm_via_private_t *dev_priv = dev->dev_private;
33 DRM_DEBUG("%s\n", __FUNCTION__);
35 dev_priv->sarea = drm_getsarea(dev);
36 if (!dev_priv->sarea) {
37 DRM_ERROR("could not find sarea!\n");
38 dev->dev_private = (void *)dev_priv;
39 via_do_cleanup_map(dev);
43 dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
45 DRM_ERROR("could not find framebuffer!\n");
46 dev->dev_private = (void *)dev_priv;
47 via_do_cleanup_map(dev);
50 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
51 if (!dev_priv->mmio) {
52 DRM_ERROR("could not find mmio region!\n");
53 dev->dev_private = (void *)dev_priv;
54 via_do_cleanup_map(dev);
58 dev_priv->sarea_priv =
59 (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
60 init->sarea_priv_offset);
62 dev_priv->agpAddr = init->agpAddr;
64 via_init_futex( dev_priv );
65 #ifdef VIA_HAVE_DMABLIT
66 via_init_dmablit( dev );
69 dev_priv->emit_0_sequence = 0;
70 dev_priv->have_idlelock = 0;
71 spin_lock_init(&dev_priv->fence_lock);
72 init_timer(&dev_priv->fence_timer);
73 dev_priv->fence_timer.function = &via_fence_timer;
74 dev_priv->fence_timer.data = (unsigned long) dev;
75 #endif /* VIA_HAVE_FENCE */
76 dev->dev_private = (void *)dev_priv;
77 #ifdef VIA_HAVE_BUFFER
78 ret = drm_bo_driver_init(dev);
80 DRM_ERROR("Could not initialize buffer object driver.\n");
86 int via_do_cleanup_map(struct drm_device * dev)
94 int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
96 drm_via_init_t *init = data;
98 DRM_DEBUG("%s\n", __FUNCTION__);
100 switch (init->func) {
102 return via_do_init_map(dev, init);
103 case VIA_CLEANUP_MAP:
104 return via_do_cleanup_map(dev);
110 int via_driver_load(struct drm_device *dev, unsigned long chipset)
112 drm_via_private_t *dev_priv;
115 dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
116 if (dev_priv == NULL)
119 dev->dev_private = (void *)dev_priv;
121 dev_priv->chipset = chipset;
123 #ifdef VIA_HAVE_CORE_MM
124 ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
126 drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
132 int via_driver_unload(struct drm_device *dev)
134 drm_via_private_t *dev_priv = dev->dev_private;
136 #ifdef VIA_HAVE_CORE_MM
137 drm_sman_takedown(&dev_priv->sman);
139 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);