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path: root/drivers/char/drm/r128_irq.c
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Diffstat (limited to 'drivers/char/drm/r128_irq.c')
-rw-r--r--drivers/char/drm/r128_irq.c116
1 files changed, 0 insertions, 116 deletions
diff --git a/drivers/char/drm/r128_irq.c b/drivers/char/drm/r128_irq.c
deleted file mode 100644
index 5b95bd898f9..00000000000
--- a/drivers/char/drm/r128_irq.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* r128_irq.c -- IRQ handling for radeon -*- linux-c -*- */
-/*
- * Copyright (C) The Weather Channel, Inc. 2002. 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
- * 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:
- * Keith Whitwell <keith@tungstengraphics.com>
- * Eric Anholt <anholt@FreeBSD.org>
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
-#include "r128_drv.h"
-
-u32 r128_get_vblank_counter(struct drm_device *dev, int crtc)
-{
- const drm_r128_private_t *dev_priv = dev->dev_private;
-
- if (crtc != 0)
- return 0;
-
- return atomic_read(&dev_priv->vbl_received);
-}
-
-irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS)
-{
- struct drm_device *dev = (struct drm_device *) arg;
- drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
- int status;
-
- status = R128_READ(R128_GEN_INT_STATUS);
-
- /* VBLANK interrupt */
- if (status & R128_CRTC_VBLANK_INT) {
- R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
- atomic_inc(&dev_priv->vbl_received);
- drm_handle_vblank(dev, 0);
- return IRQ_HANDLED;
- }
- return IRQ_NONE;
-}
-
-int r128_enable_vblank(struct drm_device *dev, int crtc)
-{
- drm_r128_private_t *dev_priv = dev->dev_private;
-
- if (crtc != 0) {
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
- return -EINVAL;
- }
-
- R128_WRITE(R128_GEN_INT_CNTL, R128_CRTC_VBLANK_INT_EN);
- return 0;
-}
-
-void r128_disable_vblank(struct drm_device *dev, int crtc)
-{
- if (crtc != 0)
- DRM_ERROR("%s: bad crtc %d\n", __FUNCTION__, crtc);
-
- /*
- * FIXME: implement proper interrupt disable by using the vblank
- * counter register (if available)
- *
- * R128_WRITE(R128_GEN_INT_CNTL,
- * R128_READ(R128_GEN_INT_CNTL) & ~R128_CRTC_VBLANK_INT_EN);
- */
-}
-
-void r128_driver_irq_preinstall(struct drm_device * dev)
-{
- drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
-
- /* Disable *all* interrupts */
- R128_WRITE(R128_GEN_INT_CNTL, 0);
- /* Clear vblank bit if it's already high */
- R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK);
-}
-
-int r128_driver_irq_postinstall(struct drm_device * dev)
-{
- return drm_vblank_init(dev, 1);
-}
-
-void r128_driver_irq_uninstall(struct drm_device * dev)
-{
- drm_r128_private_t *dev_priv = (drm_r128_private_t *) dev->dev_private;
- if (!dev_priv)
- return;
-
- /* Disable *all* interrupts */
- R128_WRITE(R128_GEN_INT_CNTL, 0);
-}