/* * Copyright 2005 Thomas Hellstrom. 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 * THE AUTHOR(S), AND/OR THE COPYRIGHT HOLDER(S) 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. * * Author: Thomas Hellstrom 2005. * * Video and XvMC related functions. */ #include "drmP.h" #include "via_drm.h" #include "via_drv.h" void via_init_futex(drm_via_private_t *dev_priv) { unsigned int i; DRM_DEBUG("%s\n", __FUNCTION__); for (i = 0; i < VIA_NR_XVMC_LOCKS; ++i) { DRM_INIT_WAITQUEUE(&(dev_priv->decoder_queue[i])); XVMCLOCKPTR(dev_priv->sarea_priv, i)->lock = 0; } } void via_cleanup_futex(drm_via_private_t *dev_priv) { } void via_release_futex(drm_via_private_t *dev_priv, int context) { unsigned int i; volatile int *lock; for (i=0; i < VIA_NR_XVMC_LOCKS; ++i) { lock = (int *) XVMCLOCKPTR(dev_priv->sarea_priv, i); if ( (_DRM_LOCKING_CONTEXT( *lock ) == context)) { if (_DRM_LOCK_IS_HELD( *lock ) && (*lock & _DRM_LOCK_CONT)) { DRM_WAKEUP( &(dev_priv->decoder_queue[i])); } *lock = 0; } } } int via_decoder_futex(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_via_futex_t fx; volatile int *lock; drm_via_private_t *dev_priv = (drm_via_private_t *) dev->dev_private; drm_via_sarea_t *sAPriv = dev_priv->sarea_priv; int ret = 0; DRM_DEBUG("%s\n", __FUNCTION__); DRM_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t __user *) data, sizeof(fx)); if (fx.lock > VIA_NR_XVMC_LOCKS) return -EFAULT; lock = (int *)XVMCLOCKPTR(sAPriv, fx.lock); switch (fx.func) { case VIA_FUTEX_WAIT: DRM_WAIT_ON(ret, dev_priv->decoder_queue[fx.lock], (fx.ms / 10) * (DRM_HZ / 100), *lock != fx.val); return ret; case VIA_FUTEX_WAKE: DRM_WAKEUP(&(dev_priv->decoder_queue[fx.lock])); return 0; } return 0; } h
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/*
 * Copyright 2007 Jérôme Glisse
 * 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, sublicense,
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * PRECISION INSIGHT 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.
 *
 * Authors:
 *    Jerome Glisse <glisse@freedesktop.org>
 */
#ifndef __AMD_LEGACY_H__
#define __AMD_LEGACY_H__

int amd_legacy_cmd_module_destroy(struct drm_device *dev);
int amd_legacy_cmd_module_initialize(struct drm_device *dev);

#endif
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