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Diffstat (limited to 'nx-X11/extras/drm/shared/mach64_irq.c')
-rw-r--r--nx-X11/extras/drm/shared/mach64_irq.c130
1 files changed, 0 insertions, 130 deletions
diff --git a/nx-X11/extras/drm/shared/mach64_irq.c b/nx-X11/extras/drm/shared/mach64_irq.c
deleted file mode 100644
index efa0641f7..000000000
--- a/nx-X11/extras/drm/shared/mach64_irq.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/* mach64_irq.c -- IRQ handling for ATI Mach64 -*- linux-c -*-
- * Created: Tue Feb 25, 2003 by Leif Delgass, based on radeon_irq.c/r128_irq.c
- *
- * Copyright (C) The Weather Channel, Inc. 2002.
- * Copyright 2003 Leif Delgass
- * All Rights Reserved.
- *
- * The Weather Channel (TM) funded Tungsten Graphics to develop the
- * initial release of the Radeon 8500 driver under the XFree86 license.
- * This notice must be preserved.
- *
- * 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
- * THE COPYRIGHT OWNER(S) 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:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Eric Anholt <anholt@FreeBSD.org>
- * Leif Delgass <ldelgass@retinalburn.net>
- */
-
-#include "mach64.h"
-#include "drmP.h"
-#include "drm.h"
-#include "mach64_drm.h"
-#include "mach64_drv.h"
-
-irqreturn_t mach64_driver_irq_handler( DRM_IRQ_ARGS )
-{
- drm_device_t *dev = (drm_device_t *) arg;
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *)dev->dev_private;
- int status;
-
- status = MACH64_READ( MACH64_CRTC_INT_CNTL );
-
- /* VBLANK interrupt */
- if (status & MACH64_CRTC_VBLANK_INT) {
- /* Mask off all interrupt ack bits before setting the ack bit, since
- * there may be other handlers outside the DRM.
- *
- * NOTE: On mach64, you need to keep the enable bits set when doing
- * the ack, despite what the docs say about not acking and enabling
- * in a single write.
- */
- MACH64_WRITE( MACH64_CRTC_INT_CNTL, (status & ~MACH64_CRTC_INT_ACKS)
- | MACH64_CRTC_VBLANK_INT );
-
- atomic_inc(&dev->vbl_received);
- DRM_WAKEUP(&dev->vbl_queue);
- DRM(vbl_send_signals)( dev );
- return IRQ_HANDLED;
- }
- return IRQ_NONE;
-}
-
-int mach64_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
-{
- unsigned int cur_vblank;
- int ret = 0;
-
- /* Assume that the user has missed the current sequence number
- * by about a day rather than she wants to wait for years
- * using vertical blanks...
- */
- DRM_WAIT_ON( ret, dev->vbl_queue, 3*DRM_HZ,
- ( ( ( cur_vblank = atomic_read(&dev->vbl_received ) )
- - *sequence ) <= (1<<23) ) );
-
- *sequence = cur_vblank;
-
- return ret;
-}
-
-/* drm_dma.h hooks
-*/
-void mach64_driver_irq_preinstall( drm_device_t *dev ) {
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *)dev->dev_private;
-
- u32 status = MACH64_READ( MACH64_CRTC_INT_CNTL );
-
- DRM_DEBUG("before install CRTC_INT_CTNL: 0x%08x\n", status );
-
- /* Disable and clear VBLANK interrupt */
- MACH64_WRITE( MACH64_CRTC_INT_CNTL, (status & ~MACH64_CRTC_VBLANK_INT_EN)
- | MACH64_CRTC_VBLANK_INT );
-}
-
-void mach64_driver_irq_postinstall( drm_device_t *dev ) {
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *)dev->dev_private;
-
- /* Turn on VBLANK interrupt */
- MACH64_WRITE( MACH64_CRTC_INT_CNTL, MACH64_READ( MACH64_CRTC_INT_CNTL )
- | MACH64_CRTC_VBLANK_INT_EN );
-
- DRM_DEBUG("after install CRTC_INT_CTNL: 0x%08x\n", MACH64_READ( MACH64_CRTC_INT_CNTL ));
-
-}
-
-void mach64_driver_irq_uninstall( drm_device_t *dev ) {
- drm_mach64_private_t *dev_priv =
- (drm_mach64_private_t *)dev->dev_private;
- if ( !dev_priv )
- return;
-
- /* Disable and clear VBLANK interrupt */
- MACH64_WRITE( MACH64_CRTC_INT_CNTL,
- (MACH64_READ( MACH64_CRTC_INT_CNTL ) & ~MACH64_CRTC_VBLANK_INT_EN)
- | MACH64_CRTC_VBLANK_INT );
-
- DRM_DEBUG("after uninstall CRTC_INT_CTNL: 0x%08x\n",
- MACH64_READ( MACH64_CRTC_INT_CNTL ));
-}