1 files changed, 0 insertions, 367 deletions
diff --git a/linux/drm_irq.h b/linux/drm_irq.h
deleted file mode 100644
index e0f803cf..00000000
--- a/linux/drm_irq.h
+++ /dev/null
@@ -1,367 +0,0 @@
-/**
- * \file drm_irq.h 
- * IRQ support
- *
- * \author Rickard E. (Rik) Faith <faith@valinux.com>
- * \author Gareth Hughes <gareth@valinux.com>
- */
-
-/*
- * Created: Fri Mar 19 14:30:16 1999 by faith@valinux.com
- *
- * Copyright 1999, 2000 Precision Insight, Inc., Cedar Park, Texas.
- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
- * 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
- * VA LINUX SYSTEMS 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.
- */
-
-#include "drmP.h"
-
-#include <linux/interrupt.h>	/* For task queue support */
-
-/**
- * Get interrupt from bus id.
- * 
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_irq_busid structure.
- * \return zero on success or a negative number on failure.
- * 
- * Finds the PCI device with the specified bus id and gets its IRQ number.
- * This IOCTL is deprecated, and will now return EINVAL for any busid not equal
- * to that of the device that this DRM instance attached to.
- */
-int DRM(irq_by_busid)(struct inode *inode, struct file *filp,
-		   unsigned int cmd, unsigned long arg)
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_irq_busid_t __user *argp = (void __user *)arg;
-	drm_irq_busid_t p;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	if (copy_from_user(&p, argp, sizeof(p)))
-		return -EFAULT;
-
-	if ((p.busnum >> 8) != dev->pci_domain ||
-	    (p.busnum & 0xff) != dev->pci_bus ||
-	    p.devnum != dev->pci_slot ||
-	    p.funcnum != dev->pci_func)
-		return -EINVAL;
-
-	p.irq = dev->irq;
-
-	DRM_DEBUG("%d:%d:%d => IRQ %d\n",
-		  p.busnum, p.devnum, p.funcnum, p.irq);
-	if (copy_to_user(argp, &p, sizeof(p)))
-		return -EFAULT;
-	return 0;
-}
-
-/**
- * Install IRQ handler.
- *
- * \param dev DRM device.
- *
- * Initializes the IRQ related data, and setups drm_device::vbl_queue. Installs the handler, calling the driver
- * \c DRM(driver_irq_preinstall)() and \c DRM(driver_irq_postinstall)() functions
- * before and after the installation.
- */
-int DRM(irq_install)( drm_device_t *dev )
-{
-	int ret;
-	unsigned long sh_flags=0;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	if ( dev->irq == 0 )
-		return -EINVAL;
-
-	down( &dev->struct_sem );
-
-	/* Driver must have been initialized */
-	if ( !dev->dev_private ) {
-		up( &dev->struct_sem );
-		return -EINVAL;
-	}
-
-	if ( dev->irq_enabled ) {
-		up( &dev->struct_sem );
-		return -EBUSY;
-	}
-	dev->irq_enabled = 1;
-	up( &dev->struct_sem );
-
-	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq );
-
-	if (drm_core_check_feature(dev, DRIVER_IRQ_VBL)) {
-		init_waitqueue_head(&dev->vbl_queue);
-		
-		spin_lock_init( &dev->vbl_lock );
-		
-		INIT_LIST_HEAD( &dev->vbl_sigs.head );
-		
-		dev->vbl_pending = 0;
-	}
-
-				/* Before installing handler */
-	dev->fn_tbl.irq_preinstall(dev);
-
-				/* Install handler */
-	if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
-		sh_flags = SA_SHIRQ;
-	
-	ret = request_irq( dev->irq, dev->fn_tbl.irq_handler,
-			   sh_flags, dev->devname, dev );
-	if ( ret < 0 ) {
-		down( &dev->struct_sem );
-		dev->irq_enabled = 0;
-		up( &dev->struct_sem );
-		return ret;
-	}
-
-				/* After installing handler */
-	dev->fn_tbl.irq_postinstall(dev);
-
-	return 0;
-}
-
-/**
- * Uninstall the IRQ handler.
- *
- * \param dev DRM device.
- *
- * Calls the driver's \c DRM(driver_irq_uninstall)() function, and stops the irq.
- */
-int DRM(irq_uninstall)( drm_device_t *dev )
-{
-	int irq_enabled;
-
-	if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-		return -EINVAL;
-
-	down( &dev->struct_sem );
-	irq_enabled = dev->irq_enabled;
-	dev->irq_enabled = 0;
-	up( &dev->struct_sem );
-
-	if ( !irq_enabled )
-		return -EINVAL;
-
-	DRM_DEBUG( "%s: irq=%d\n", __FUNCTION__, dev->irq );
-
-	dev->fn_tbl.irq_uninstall(dev);
-
-	free_irq( dev->irq, dev );
-
-	return 0;
-}
-
-/**
- * IRQ control ioctl.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param arg user argument, pointing to a drm_control structure.
- * \return zero on success or a negative number on failure.
- *
- * Calls irq_install() or irq_uninstall() according to \p arg.
- */
-int DRM(control)( struct inode *inode, struct file *filp,
-		  unsigned int cmd, unsigned long arg )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_control_t ctl;
-	
-	/* if we haven't irq we fallback for compatibility reasons - this used to be a separate function in drm_dma.h */
-
-	if ( copy_from_user( &ctl, (drm_control_t __user *)arg, sizeof(ctl) ) )
-		return -EFAULT;
-
-	switch ( ctl.func ) {
-	case DRM_INST_HANDLER:
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		if (dev->if_version < DRM_IF_VERSION(1, 2) &&
-		    ctl.irq != dev->irq)
-			return -EINVAL;
-		return DRM(irq_install)( dev );
-	case DRM_UNINST_HANDLER:
-		if (!drm_core_check_feature(dev, DRIVER_HAVE_IRQ))
-			return 0;
-		return DRM(irq_uninstall)( dev );
-	default:
-		return -EINVAL;
-	}
-}
-
-/**
- * Wait for VBLANK.
- *
- * \param inode device inode.
- * \param filp file pointer.
- * \param cmd command.
- * \param data user argument, pointing to a drm_wait_vblank structure.
- * \return zero on success or a negative number on failure.
- *
- * Verifies the IRQ is installed. 
- *
- * If a signal is requested checks if this task has already scheduled the same signal
- * for the same vblank sequence number - nothing to be done in
- * that case. If the number of tasks waiting for the interrupt exceeds 100 the
- * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this
- * task.
- *
- * If a signal is not requested, then calls vblank_wait().
- */
-int DRM(wait_vblank)( DRM_IOCTL_ARGS )
-{
-	drm_file_t *priv = filp->private_data;
-	drm_device_t *dev = priv->dev;
-	drm_wait_vblank_t __user *argp = (void __user *)data;
-	drm_wait_vblank_t vblwait;
-	struct timeval now;
-	int ret = 0;
-	unsigned int flags;
-
-	if (!drm_core_check_feature(dev, DRIVER_IRQ_VBL))
-		return -EINVAL;
-
-	if (!dev->irq)
-		return -EINVAL;
-
-	DRM_COPY_FROM_USER_IOCTL( vblwait, argp, sizeof(vblwait) );
-
-	switch ( vblwait.request.type & ~_DRM_VBLANK_FLAGS_MASK ) {
-	case _DRM_VBLANK_RELATIVE:
-		vblwait.request.sequence += atomic_read( &dev->vbl_received );
-		vblwait.request.type &= ~_DRM_VBLANK_RELATIVE;
-	case _DRM_VBLANK_ABSOLUTE:
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK;
-	
-	if ( flags & _DRM_VBLANK_SIGNAL ) {
-		unsigned long irqflags;
-		drm_vbl_sig_t *vbl_sig;
-		
-		vblwait.reply.sequence = atomic_read( &dev->vbl_received );
-
-		spin_lock_irqsave( &dev->vbl_lock, irqflags );
-
-		/* Check if this task has already scheduled the same signal
-		 * for the same vblank sequence number; nothing to be done in
-		 * that case
-		 */
-		list_for_each_entry( vbl_sig, &dev->vbl_sigs.head, head ) {
-			if (vbl_sig->sequence == vblwait.request.sequence
-			    && vbl_sig->info.si_signo == vblwait.request.signal
-			    && vbl_sig->task == current)
-			{
-				spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
-				goto done;
-			}
-		}
-
-		if ( dev->vbl_pending >= 100 ) {
-			spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
-			return -EBUSY;
-		}
-
-		dev->vbl_pending++;
-
-		spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
-
-		if ( !( vbl_sig = DRM(alloc)( sizeof( drm_vbl_sig_t ), DRM_MEM_DRIVER ) ) ) {
-			return -ENOMEM;
-		}
-
-		memset( (void *)vbl_sig, 0, sizeof(*vbl_sig) );
-
-		vbl_sig->sequence = vblwait.request.sequence;
-		vbl_sig->info.si_signo = vblwait.request.signal;
-		vbl_sig->task = current;
-
-		spin_lock_irqsave( &dev->vbl_lock, irqflags );
-
-		list_add_tail( (struct list_head *) vbl_sig, &dev->vbl_sigs.head );
-
-		spin_unlock_irqrestore( &dev->vbl_lock, irqflags );
-	} else {
-		if (dev->fn_tbl.vblank_wait)
-			ret = dev->fn_tbl.vblank_wait( dev, &vblwait.request.sequence );
-
-		do_gettimeofday( &now );
-		vblwait.reply.tval_sec = now.tv_sec;
-		vblwait.reply.tval_usec = now.tv_usec;
-	}
-
-done:
-	DRM_COPY_TO_USER_IOCTL( argp, vblwait, sizeof(vblwait) );
-
-	return ret;
-}
-
-/**
- * Send the VBLANK signals.
- *
- * \param dev DRM device.
- *
- * Sends a signal for each task in drm_device::vbl_sigs and empties the list.
- *
- * If a signal is not requested, then calls vblank_wait().
- */
-void DRM(vbl_send_signals)( drm_device_t *dev )
-{
-	struct list_head *list, *tmp;
-	drm_vbl_sig_t *vbl_sig;
-	unsigned int vbl_seq = atomic_read( &dev->vbl_received );
-	unsigned long flags;
-
-	spin_lock_irqsave( &dev->vbl_lock, flags );
-
-	list_for_each_safe( list, tmp, &dev->vbl_sigs.head ) {
-		vbl_sig = list_entry( list, drm_vbl_sig_t, head );
-		if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) {
-			vbl_sig->info.si_code = vbl_seq;
-			send_sig_info( vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task );
-
-			list_del( list );
-
-			DRM(free)( vbl_sig, sizeof(*vbl_sig), DRM_MEM_DRIVER );
-
-			dev->vbl_pending--;
-		}
-	}
-
-	spin_unlock_irqrestore( &dev->vbl_lock, flags );
-}
-
-