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.
27 int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
29 drm_via_private_t *dev_priv;
32 DRM_DEBUG("%s\n", __FUNCTION__);
34 dev_priv = drm_alloc(sizeof(drm_via_private_t), DRM_MEM_DRIVER);
38 memset(dev_priv, 0, sizeof(drm_via_private_t));
41 if (!dev_priv->sarea) {
42 DRM_ERROR("could not find sarea!\n");
43 dev->dev_private = (void *)dev_priv;
44 via_do_cleanup_map(dev);
48 dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
50 DRM_ERROR("could not find framebuffer!\n");
51 dev->dev_private = (void *)dev_priv;
52 via_do_cleanup_map(dev);
55 dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
56 if (!dev_priv->mmio) {
57 DRM_ERROR("could not find mmio region!\n");
58 dev->dev_private = (void *)dev_priv;
59 via_do_cleanup_map(dev);
63 dev_priv->sarea_priv =
64 (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
65 init->sarea_priv_offset);
67 dev_priv->agpAddr = init->agpAddr;
69 for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i)
70 DRM_INIT_WAITQUEUE(&(dev_priv->decoder_queue[i]));
72 dev->dev_private = (void *)dev_priv;
77 int via_do_cleanup_map(drm_device_t * dev)
79 if (dev->dev_private) {
81 drm_via_private_t *dev_priv = dev->dev_private;
85 drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
86 dev->dev_private = NULL;
92 int via_map_init(DRM_IOCTL_ARGS)
97 DRM_DEBUG("%s\n", __FUNCTION__);
99 DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t *) data, sizeof(init));
103 return via_do_init_map(dev, &init);
104 case VIA_CLEANUP_MAP:
105 return via_do_cleanup_map(dev);
111 int via_decoder_futex(DRM_IOCTL_ARGS)
116 drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private;
117 drm_via_sarea_t *sAPriv = dev_priv->sarea_priv;
120 DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t *) data, sizeof(fx));
122 if (fx.lock > VIA_NR_XVMC_LOCKS)
125 lock = XVMCLOCKPTR(sAPriv, fx.lock);
129 DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock],
130 (fx.ms / 10) * (DRM_HZ / 100), *lock != fx.val);
133 DRM_WAKEUP(&(dev_priv->decoder_queue[fx.lock]));