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.
24 #define __NO_VERSION__
29 int via_do_init_map(drm_device_t *dev, drm_via_init_t *init)
31 drm_via_private_t *dev_priv;
34 DRM_DEBUG("%s\n", __FUNCTION__);
36 dev_priv = DRM(alloc)(sizeof(drm_via_private_t), DRM_MEM_DRIVER);
40 memset(dev_priv, 0, sizeof(drm_via_private_t));
43 if (!dev_priv->sarea) {
44 DRM_ERROR("could not find sarea!\n");
45 dev->dev_private = (void *)dev_priv;
46 via_do_cleanup_map(dev);
50 dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
52 DRM_ERROR("could not find framebuffer!\n");
53 dev->dev_private = (void *)dev_priv;
54 via_do_cleanup_map(dev);
57 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
58 if (!dev_priv->mmio) {
59 DRM_ERROR("could not find mmio region!\n");
60 dev->dev_private = (void *)dev_priv;
61 via_do_cleanup_map(dev);
65 dev_priv->sarea_priv =
66 (drm_via_sarea_t *)((u8 *)dev_priv->sarea->handle +
67 init->sarea_priv_offset);
69 dev_priv->agpAddr = init->agpAddr;
72 for (i=0; i<VIA_NR_XVMC_LOCKS; ++i)
73 DRM_INIT_WAITQUEUE( &(dev_priv->decoder_queue[i]) );
75 dev->dev_private = (void *)dev_priv;
80 int via_do_cleanup_map(drm_device_t *dev)
82 if (dev->dev_private) {
84 drm_via_private_t *dev_priv = dev->dev_private;
86 DRM(free)(dev_priv, sizeof(drm_via_private_t),
88 dev->dev_private = NULL;
94 int via_map_init( DRM_IOCTL_ARGS )
99 DRM_DEBUG("%s\n", __FUNCTION__);
101 DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t *)data, sizeof(init));
105 return via_do_init_map(dev, &init);
106 case VIA_CLEANUP_MAP:
107 return via_do_cleanup_map(dev);
113 int via_decoder_futex( DRM_IOCTL_ARGS )
118 drm_via_private_t *dev_priv = (drm_via_private_t*) dev->dev_private;
119 drm_via_sarea_t *sAPriv = dev_priv->sarea_priv;
122 DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t *) data, sizeof(fx));
124 if (fx.lock > VIA_NR_XVMC_LOCKS)
127 lock = XVMCLOCKPTR(sAPriv,fx.lock);
131 DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock],
132 (fx.ms / 10)*(DRM_HZ/100),
136 DRM_WAKEUP( &(dev_priv->decoder_queue[fx.lock]) );