1 files changed, 0 insertions, 287 deletions
diff --git a/drivers/char/drm/i915_irq.c b/drivers/char/drm/i915_irq.c
deleted file mode 100644
index 0d4a162aa38..00000000000
--- a/drivers/char/drm/i915_irq.c
+++ /dev/null
@@ -1,287 +0,0 @@
-/* i915_irq.c -- IRQ support for the I915 -*- linux-c -*-
- */
-/*
- * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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 TUNGSTEN 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.
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
-#include "i915_drv.h"
-
-#define USER_INT_FLAG (1<<1)
-#define VSYNC_PIPEB_FLAG (1<<5)
-#define VSYNC_PIPEA_FLAG (1<<7)
-
-#define MAX_NOPID ((u32)~0)
-
-irqreturn_t i915_driver_irq_handler(DRM_IRQ_ARGS)
-{
-	drm_device_t *dev = (drm_device_t *) arg;
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 temp;
-
-	temp = I915_READ16(I915REG_INT_IDENTITY_R);
-
-	temp &= (USER_INT_FLAG | VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG);
-
-	DRM_DEBUG("%s flag=%08x\n", __FUNCTION__, temp);
-
-	if (temp == 0)
-		return IRQ_NONE;
-
-	I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
-
-	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-
-	if (temp & USER_INT_FLAG)
-		DRM_WAKEUP(&dev_priv->irq_queue);
-
-	if (temp & (VSYNC_PIPEA_FLAG | VSYNC_PIPEB_FLAG)) {
-		atomic_inc(&dev->vbl_received);
-		DRM_WAKEUP(&dev->vbl_queue);
-		drm_vbl_send_signals(dev);
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int i915_emit_irq(drm_device_t * dev)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	RING_LOCALS;
-
-	i915_kernel_lost_context(dev);
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-	dev_priv->sarea_priv->last_enqueue = ++dev_priv->counter;
-
-	if (dev_priv->counter > 0x7FFFFFFFUL)
-		dev_priv->sarea_priv->last_enqueue = dev_priv->counter = 1;
-
-	BEGIN_LP_RING(6);
-	OUT_RING(CMD_STORE_DWORD_IDX);
-	OUT_RING(20);
-	OUT_RING(dev_priv->counter);
-	OUT_RING(0);
-	OUT_RING(0);
-	OUT_RING(GFX_OP_USER_INTERRUPT);
-	ADVANCE_LP_RING();
-	
-	return dev_priv->counter;
-}
-
-static int i915_wait_irq(drm_device_t * dev, int irq_nr)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	int ret = 0;
-
-	DRM_DEBUG("%s irq_nr=%d breadcrumb=%d\n", __FUNCTION__, irq_nr,
-		  READ_BREADCRUMB(dev_priv));
-
-	if (READ_BREADCRUMB(dev_priv) >= irq_nr)
-		return 0;
-
-	dev_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
-
-	DRM_WAIT_ON(ret, dev_priv->irq_queue, 3 * DRM_HZ,
-		    READ_BREADCRUMB(dev_priv) >= irq_nr);
-
-	if (ret == DRM_ERR(EBUSY)) {
-		DRM_ERROR("%s: EBUSY -- rec: %d emitted: %d\n",
-			  __FUNCTION__,
-			  READ_BREADCRUMB(dev_priv), (int)dev_priv->counter);
-	}
-
-	dev_priv->sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
-	return ret;
-}
-
-int i915_driver_vblank_wait(drm_device_t *dev, unsigned int *sequence)
-{
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	unsigned int cur_vblank;
-	int ret = 0;
-
-	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
-		return DRM_ERR(EINVAL);
-	}
-
-	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;
-}
-
-
-/* Needs the lock as it touches the ring.
- */
-int i915_irq_emit(DRM_IOCTL_ARGS)
-{
-	DRM_DEVICE;
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_i915_irq_emit_t emit;
-	int result;
-
-	LOCK_TEST_WITH_RETURN(dev, filp);
-
-	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
-		return DRM_ERR(EINVAL);
-	}
-
-	DRM_COPY_FROM_USER_IOCTL(emit, (drm_i915_irq_emit_t __user *) data,
-				 sizeof(emit));
-
-	result = i915_emit_irq(dev);
-
-	if (DRM_COPY_TO_USER(emit.irq_seq, &result, sizeof(int))) {
-		DRM_ERROR("copy_to_user\n");
-		return DRM_ERR(EFAULT);
-	}
-
-	return 0;
-}
-
-/* Doesn't need the hardware lock.
- */
-int i915_irq_wait(DRM_IOCTL_ARGS)
-{
-	DRM_DEVICE;
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_i915_irq_wait_t irqwait;
-
-	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
-		return DRM_ERR(EINVAL);
-	}
-
-	DRM_COPY_FROM_USER_IOCTL(irqwait, (drm_i915_irq_wait_t __user *) data,
-				 sizeof(irqwait));
-
-	return i915_wait_irq(dev, irqwait.irq_seq);
-}
-
-static int i915_enable_interrupt (drm_device_t *dev)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 flag;
-
-	flag = 0;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_A)
-		flag |= VSYNC_PIPEA_FLAG;
-	if (dev_priv->vblank_pipe & DRM_I915_VBLANK_PIPE_B)
-		flag |= VSYNC_PIPEB_FLAG;
-	if (dev_priv->vblank_pipe & ~(DRM_I915_VBLANK_PIPE_A|DRM_I915_VBLANK_PIPE_B)) {
-		DRM_ERROR("%s called with invalid pipe 0x%x\n",
-			  __FUNCTION__, dev_priv->vblank_pipe);
-		return DRM_ERR(EINVAL);
-	}
-	I915_WRITE16(I915REG_INT_ENABLE_R, USER_INT_FLAG | flag);
-	return 0;
-}
-
-/* Set the vblank monitor pipe
- */
-int i915_vblank_pipe_set(DRM_IOCTL_ARGS)
-{
-	DRM_DEVICE;
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_i915_vblank_pipe_t pipe;
-
-	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
-		return DRM_ERR(EINVAL);
-	}
-
-	DRM_COPY_FROM_USER_IOCTL(pipe, (drm_i915_vblank_pipe_t __user *) data,
-				 sizeof(pipe));
-
-	dev_priv->vblank_pipe = pipe.pipe;
-	return i915_enable_interrupt (dev);
-}
-
-int i915_vblank_pipe_get(DRM_IOCTL_ARGS)
-{
-	DRM_DEVICE;
-	drm_i915_private_t *dev_priv = dev->dev_private;
-	drm_i915_vblank_pipe_t pipe;
-	u16 flag;
-
-	if (!dev_priv) {
-		DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
-		return DRM_ERR(EINVAL);
-	}
-
-	flag = I915_READ(I915REG_INT_ENABLE_R);
-	pipe.pipe = 0;
-	if (flag & VSYNC_PIPEA_FLAG)
-		pipe.pipe |= DRM_I915_VBLANK_PIPE_A;
-	if (flag & VSYNC_PIPEB_FLAG)
-		pipe.pipe |= DRM_I915_VBLANK_PIPE_B;
-	DRM_COPY_TO_USER_IOCTL((drm_i915_vblank_pipe_t __user *) data, pipe,
-				 sizeof(pipe));
-	return 0;
-}
-
-/* drm_dma.h hooks
-*/
-void i915_driver_irq_preinstall(drm_device_t * dev)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
-	I915_WRITE16(I915REG_HWSTAM, 0xfffe);
-	I915_WRITE16(I915REG_INT_MASK_R, 0x0);
-	I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
-}
-
-void i915_driver_irq_postinstall(drm_device_t * dev)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-
-	i915_enable_interrupt(dev);
-	DRM_INIT_WAITQUEUE(&dev_priv->irq_queue);
-}
-
-void i915_driver_irq_uninstall(drm_device_t * dev)
-{
-	drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private;
-	u16 temp;
-
-	if (!dev_priv)
-		return;
-
-	I915_WRITE16(I915REG_HWSTAM, 0xffff);
-	I915_WRITE16(I915REG_INT_MASK_R, 0xffff);
-	I915_WRITE16(I915REG_INT_ENABLE_R, 0x0);
-
-	temp = I915_READ16(I915REG_INT_IDENTITY_R);
-	I915_WRITE16(I915REG_INT_IDENTITY_R, temp);
-}