renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

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Diffstat (limited to 'shared-core/radeon_irq.c')

0 files changed, 0 insertions, 0 deletions

/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. 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 * VIA, S3 GRAPHICS, 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. */ #define __NO_VERSION__ #include "via.h" #include "drmP.h" #include "via_drv.h" int via_do_init_map(drm_device_t *dev, drm_via_init_t *init) { drm_via_private_t *dev_priv; unsigned int i; DRM_DEBUG("%s\n", __FUNCTION__); dev_priv = DRM(alloc)(sizeof(drm_via_private_t), DRM_MEM_DRIVER); if (dev_priv == NULL) return -ENOMEM; memset(dev_priv, 0, sizeof(drm_via_private_t)); DRM_GETSAREA(); if (!dev_priv->sarea) { DRM_ERROR("could not find sarea!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } DRM_FIND_MAP(dev_priv->fb, init->fb_offset); if (!dev_priv->fb) { DRM_ERROR("could not find framebuffer!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } DRM_FIND_MAP(dev_priv->mmio, init->mmio_offset); if (!dev_priv->mmio) { DRM_ERROR("could not find mmio region!\n"); dev->dev_private = (void *)dev_priv; via_do_cleanup_map(dev); return -EINVAL; } dev_priv->sarea_priv = (drm_via_sarea_t *)((u8 *)dev_priv->sarea->handle + init->sarea_priv_offset); dev_priv->agpAddr = init->agpAddr; for (i=0; i<VIA_NR_XVMC_LOCKS; ++i) DRM_INIT_WAITQUEUE( &(dev_priv->decoder_queue[i]) ); dev->dev_private = (void *)dev_priv; return 0; } int via_do_cleanup_map(drm_device_t *dev) { if (dev->dev_private) { drm_via_private_t *dev_priv = dev->dev_private; DRM(free)(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER); dev->dev_private = NULL; } return 0; } int via_map_init( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_via_init_t init; DRM_DEBUG("%s\n", __FUNCTION__); DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t *)data, sizeof(init)); switch (init.func) { case VIA_INIT_MAP: return via_do_init_map(dev, &init); case VIA_CLEANUP_MAP: return via_do_cleanup_map(dev); } return -EINVAL; } 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_COPY_FROM_USER_IOCTL(fx, (drm_via_futex_t *) data, sizeof(fx)); if (fx.lock > VIA_NR_XVMC_LOCKS) return -EFAULT; lock = XVMCLOCKPTR(sAPriv,fx.lock); switch(fx.op) { 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; }


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