Delete the pre-core DRM code with extreme prejudice.

1 files changed, 0 insertions, 1623 deletions

diff --git a/linux/i830_dma.c b/linux/i830_dma.c
deleted file mode 100644
index caae802f..00000000
--- a/linux/i830_dma.c
+++ /dev/null
@@ -1,1623 +0,0 @@
-/* i830_dma.c -- DMA support for the I830 -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@precisioninsight.com
- *
- * Copyright 1999 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
- * 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: Rickard E. (Rik) Faith <faith@valinux.com>
- *	    Jeff Hartmann <jhartmann@valinux.com>
- *	    Keith Whitwell <keith@tungstengraphics.com>
- *	    Abraham vd Merwe <abraham@2d3d.co.za>
- *
- */
-
-#include "i830.h"
-#include "drmP.h"
-#include "drm.h"
-#include "i830_drm.h"
-#include "i830_drv.h"
-#include <linux/interrupt.h>	/* For task queue support */
-#include <linux/pagemap.h>     /* For FASTCALL on unlock_page() */
-#include <linux/delay.h>
-#include <asm/uaccess.h>
-
-#ifdef DO_MUNMAP_4_ARGS
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l, 1)
-#else
-#define DO_MUNMAP(m, a, l)	do_munmap(m, a, l)
-#endif
-
-#define I830_BUF_FREE		2
-#define I830_BUF_CLIENT		1
-#define I830_BUF_HARDWARE      	0
-
-#define I830_BUF_UNMAPPED 0
-#define I830_BUF_MAPPED   1
-
-static inline void i830_print_status_page(drm_device_t *dev)
-{
-   	drm_device_dma_t *dma = dev->dma;
-      	drm_i830_private_t *dev_priv = dev->dev_private;
-	u32 *temp = dev_priv->hw_status_page;
-   	int i;
-
-   	DRM_DEBUG(  "hw_status: Interrupt Status : %x\n", temp[0]);
-   	DRM_DEBUG(  "hw_status: LpRing Head ptr : %x\n", temp[1]);
-   	DRM_DEBUG(  "hw_status: IRing Head ptr : %x\n", temp[2]);
-      	DRM_DEBUG(  "hw_status: Reserved : %x\n", temp[3]);
-   	DRM_DEBUG(  "hw_status: Driver Counter : %d\n", temp[5]);
-   	for(i = 9; i < dma->buf_count + 9; i++) {
-	   	DRM_DEBUG( "buffer status idx : %d used: %d\n", i - 9, temp[i]);
-	}
-}
-
-static drm_buf_t *i830_freelist_get(drm_device_t *dev)
-{
-   	drm_device_dma_t *dma = dev->dma;
-	int		 i;
-   	int 		 used;
-   
-	/* Linear search might not be the best solution */
-
-   	for (i = 0; i < dma->buf_count; i++) {
-	   	drm_buf_t *buf = dma->buflist[ i ];
-	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-		/* In use is already a pointer */
-	   	used = cmpxchg(buf_priv->in_use, I830_BUF_FREE, 
-			       I830_BUF_CLIENT);
-	   	if(used == I830_BUF_FREE) {
-			return buf;
-		}
-	}
-   	return NULL;
-}
-
-/* This should only be called if the buffer is not sent to the hardware
- * yet, the hardware updates in use for us once its on the ring buffer.
- */
-
-static int i830_freelist_put(drm_device_t *dev, drm_buf_t *buf)
-{
-   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-   	int used;
-   
-   	/* In use is already a pointer */
-   	used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, I830_BUF_FREE);
-   	if(used != I830_BUF_CLIENT) {
-	   	DRM_ERROR("Freeing buffer thats not in use : %d\n", buf->idx);
-	   	return -EINVAL;
-	}
-   
-   	return 0;
-}
-
-static struct file_operations i830_buffer_fops = {
-	.open	 = DRM(open),
-	.flush	 = DRM(flush),
-	.release = DRM(release),
-	.ioctl	 = DRM(ioctl),
-	.mmap	 = i830_mmap_buffers,
-	.fasync  = DRM(fasync),
-};
-
-int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
-{
-	drm_file_t	    *priv	  = filp->private_data;
-	drm_device_t	    *dev;
-	drm_i830_private_t  *dev_priv;
-	drm_buf_t           *buf;
-	drm_i830_buf_priv_t *buf_priv;
-
-	lock_kernel();
-	dev	 = priv->dev;
-	dev_priv = dev->dev_private;
-	buf      = dev_priv->mmap_buffer;
-	buf_priv = buf->dev_private;
-   
-	vma->vm_flags |= (VM_IO | VM_DONTCOPY);
-	vma->vm_file = filp;
-   
-   	buf_priv->currently_mapped = I830_BUF_MAPPED;
-	unlock_kernel();
-
-	if (remap_page_range(DRM_RPR_ARG(vma) vma->vm_start,
-			     VM_OFFSET(vma),
-			     vma->vm_end - vma->vm_start,
-			     vma->vm_page_prot)) return -EAGAIN;
-	return 0;
-}
-
-static int i830_map_buffer(drm_buf_t *buf, struct file *filp)
-{
-	drm_file_t	  *priv	  = filp->private_data;
-	drm_device_t	  *dev	  = priv->dev;
-	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-      	drm_i830_private_t *dev_priv = dev->dev_private;
-   	struct file_operations *old_fops;
-	unsigned long virtual;
-	int retcode = 0;
-
-	if(buf_priv->currently_mapped == I830_BUF_MAPPED) return -EINVAL;
-
-	down_write( &current->mm->mmap_sem );
-	old_fops = filp->f_op;
-	filp->f_op = &i830_buffer_fops;
-	dev_priv->mmap_buffer = buf;
-	virtual = do_mmap(filp, 0, buf->total, PROT_READ|PROT_WRITE,
-			    MAP_SHARED, buf->bus_address);
-	dev_priv->mmap_buffer = NULL;
-	filp->f_op = old_fops;
-	if (IS_ERR((void *)virtual)) {		/* ugh */
-		/* Real error */
-		DRM_ERROR("mmap error\n");
-		retcode = virtual;
-		buf_priv->virtual = NULL;
-	} else {
-		buf_priv->virtual = (void __user *)virtual;
-	}
-	up_write( &current->mm->mmap_sem );
-
-	return retcode;
-}
-
-static int i830_unmap_buffer(drm_buf_t *buf)
-{
-	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-	int retcode = 0;
-
-	if(buf_priv->currently_mapped != I830_BUF_MAPPED) 
-		return -EINVAL;
-
-	down_write(&current->mm->mmap_sem);
-	retcode = DO_MUNMAP(current->mm,
-			    (unsigned long)buf_priv->virtual,
-			    (size_t) buf->total);
-	up_write(&current->mm->mmap_sem);
-
-   	buf_priv->currently_mapped = I830_BUF_UNMAPPED;
-   	buf_priv->virtual = NULL;
-
-	return retcode;
-}
-
-static int i830_dma_get_buffer(drm_device_t *dev, drm_i830_dma_t *d, 
-			       struct file *filp)
-{
-	drm_buf_t	  *buf;
-	drm_i830_buf_priv_t *buf_priv;
-	int retcode = 0;
-
-	buf = i830_freelist_get(dev);
-	if (!buf) {
-		retcode = -ENOMEM;
-	   	DRM_DEBUG("retcode=%d\n", retcode);
-		return retcode;
-	}
-   
-	retcode = i830_map_buffer(buf, filp);
-	if(retcode) {
-		i830_freelist_put(dev, buf);
-	   	DRM_ERROR("mapbuf failed, retcode %d\n", retcode);
-		return retcode;
-	}
-	buf->filp = filp;
-	buf_priv = buf->dev_private;	
-	d->granted = 1;
-   	d->request_idx = buf->idx;
-   	d->request_size = buf->total;
-   	d->virtual = buf_priv->virtual;
-
-	return retcode;
-}
-
-int i830_dma_cleanup(drm_device_t *dev)
-{
-	drm_device_dma_t *dma = dev->dma;
-
-	/* Make sure interrupts are disabled here because the uninstall ioctl
-	 * may not have been called from userspace and after dev_private
-	 * is freed, it's too late.
-	 */
-	if (dev->irq_enabled) DRM(irq_uninstall)(dev);
-
-	if (dev->dev_private) {
-		int i;
-	   	drm_i830_private_t *dev_priv = 
-	     		(drm_i830_private_t *) dev->dev_private;
-	   
-	   	if (dev_priv->ring.virtual_start) {
-		   	DRM(ioremapfree)((void *) dev_priv->ring.virtual_start,
-					 dev_priv->ring.Size, dev);
-		}
-	   	if (dev_priv->hw_status_page) {
-			pci_free_consistent(dev->pdev, PAGE_SIZE,
-					    dev_priv->hw_status_page,
-					    dev_priv->dma_status_page);
-		   	/* Need to rewrite hardware status page */
-		   	I830_WRITE(0x02080, 0x1ffff000);
-		}
-
-	   	DRM(free)(dev->dev_private, sizeof(drm_i830_private_t), 
-			 DRM_MEM_DRIVER);
-	   	dev->dev_private = NULL;
-
-		for (i = 0; i < dma->buf_count; i++) {
-			drm_buf_t *buf = dma->buflist[ i ];
-			drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-			if ( buf_priv->kernel_virtual && buf->total )
-				DRM(ioremapfree)(buf_priv->kernel_virtual, buf->total, dev);
-		}
-	}
-   	return 0;
-}
-
-int i830_wait_ring(drm_device_t *dev, int n, const char *caller)
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
-   	int iters = 0;
-   	unsigned long end;
-	unsigned int last_head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-
-	end = jiffies + (HZ*3);
-   	while (ring->space < n) {	
-	   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-	   	ring->space = ring->head - (ring->tail+8);
-		if (ring->space < 0) ring->space += ring->Size;
-	   
-		if (ring->head != last_head) {
-			end = jiffies + (HZ*3);
-			last_head = ring->head;
-		}
-	  
-	   	iters++;
-		if(time_before(end, jiffies)) {
-		   	DRM_ERROR("space: %d wanted %d\n", ring->space, n);
-		   	DRM_ERROR("lockup\n");
-		   	goto out_wait_ring;
-		}
-		udelay(1);
-		dev_priv->sarea_priv->perf_boxes |= I830_BOX_WAIT;
-	}
-
-out_wait_ring:   
-   	return iters;
-}
-
-static void i830_kernel_lost_context(drm_device_t *dev)
-{
-      	drm_i830_private_t *dev_priv = dev->dev_private;
-   	drm_i830_ring_buffer_t *ring = &(dev_priv->ring);
-      
-   	ring->head = I830_READ(LP_RING + RING_HEAD) & HEAD_ADDR;
-     	ring->tail = I830_READ(LP_RING + RING_TAIL) & TAIL_ADDR;
-     	ring->space = ring->head - (ring->tail+8);
-     	if (ring->space < 0) ring->space += ring->Size;
-
-	if (ring->head == ring->tail)
-		dev_priv->sarea_priv->perf_boxes |= I830_BOX_RING_EMPTY;
-}
-
-static int i830_freelist_init(drm_device_t *dev, drm_i830_private_t *dev_priv)
-{
-      	drm_device_dma_t *dma = dev->dma;
-   	int my_idx = 36;
-   	u32 *hw_status = (u32 *)(dev_priv->hw_status_page + my_idx);
-   	int i;
-
-   	if(dma->buf_count > 1019) {
-	   	/* Not enough space in the status page for the freelist */
-	   	return -EINVAL;
-	}
-
-   	for (i = 0; i < dma->buf_count; i++) {
-	   	drm_buf_t *buf = dma->buflist[ i ];
-	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-
-	   	buf_priv->in_use = hw_status++;
-	   	buf_priv->my_use_idx = my_idx;
-	   	my_idx += 4;
-
-	   	*buf_priv->in_use = I830_BUF_FREE;
-
-		buf_priv->kernel_virtual = DRM(ioremap)(buf->bus_address, 
-							buf->total, dev);
-	}
-	return 0;
-}
-
-static int i830_dma_initialize(drm_device_t *dev, 
-			       drm_i830_private_t *dev_priv,
-			       drm_i830_init_t *init)
-{
-	struct list_head *list;
-
-   	memset(dev_priv, 0, sizeof(drm_i830_private_t));
-
-	list_for_each(list, &dev->maplist->head) {
-		drm_map_list_t *r_list = list_entry(list, drm_map_list_t, head);
-		if( r_list->map &&
-		    r_list->map->type == _DRM_SHM &&
-		    r_list->map->flags & _DRM_CONTAINS_LOCK ) {
-			dev_priv->sarea_map = r_list->map;
- 			break;
- 		}
- 	}
-
-	if(!dev_priv->sarea_map) {
-		dev->dev_private = (void *)dev_priv;
-		i830_dma_cleanup(dev);
-		DRM_ERROR("can not find sarea!\n");
-		return -EINVAL;
-	}
-	dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset);
-	if(!dev_priv->mmio_map) {
-		dev->dev_private = (void *)dev_priv;
-		i830_dma_cleanup(dev);
-		DRM_ERROR("can not find mmio map!\n");
-		return -EINVAL;
-	}
-	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
-	if(!dev->agp_buffer_map) {
-		dev->dev_private = (void *)dev_priv;
-		i830_dma_cleanup(dev);
-		DRM_ERROR("can not find dma buffer map!\n");
-		return -EINVAL;
-	}
-
-	dev_priv->sarea_priv = (drm_i830_sarea_t *)
-		((u8 *)dev_priv->sarea_map->handle +
-		 init->sarea_priv_offset);
-
-   	dev_priv->ring.Start = init->ring_start;
-   	dev_priv->ring.End = init->ring_end;
-   	dev_priv->ring.Size = init->ring_size;
-
-   	dev_priv->ring.virtual_start = DRM(ioremap)(dev->agp->base + 
-						    init->ring_start, 
-						    init->ring_size, dev);
-
-   	if (dev_priv->ring.virtual_start == NULL) {
-		dev->dev_private = (void *) dev_priv;
-	   	i830_dma_cleanup(dev);
-	   	DRM_ERROR("can not ioremap virtual address for"
-			  " ring buffer\n");
-	   	return -ENOMEM;
-	}
-
-   	dev_priv->ring.tail_mask = dev_priv->ring.Size - 1;
-   
-	dev_priv->w = init->w;
-	dev_priv->h = init->h;
-	dev_priv->pitch = init->pitch;
-	dev_priv->back_offset = init->back_offset;
-	dev_priv->depth_offset = init->depth_offset;
-	dev_priv->front_offset = init->front_offset;
-
-	dev_priv->front_di1 = init->front_offset | init->pitch_bits;
-	dev_priv->back_di1 = init->back_offset | init->pitch_bits;
-	dev_priv->zi1 = init->depth_offset | init->pitch_bits;
-
-	DRM_DEBUG("front_di1 %x\n",    dev_priv->front_di1);
-	DRM_DEBUG("back_offset %x\n", dev_priv->back_offset);
-	DRM_DEBUG("back_di1 %x\n",    dev_priv->back_di1);
-	DRM_DEBUG("pitch_bits %x\n",    init->pitch_bits);
-
-	dev_priv->cpp = init->cpp;
-	/* We are using separate values as placeholders for mechanisms for
-	 * private backbuffer/depthbuffer usage.
-	 */
-
-	dev_priv->back_pitch = init->back_pitch;
-	dev_priv->depth_pitch = init->depth_pitch;
-	dev_priv->do_boxes = 0;
-	dev_priv->use_mi_batchbuffer_start = 0;
-
-   	/* Program Hardware Status Page */
-   	dev_priv->hw_status_page =
-		pci_alloc_consistent(dev->pdev, PAGE_SIZE,
-						&dev_priv->dma_status_page);
-   	if (!dev_priv->hw_status_page) {
-		dev->dev_private = (void *)dev_priv;
-		i830_dma_cleanup(dev);
-		DRM_ERROR("Can not allocate hardware status page\n");
-		return -ENOMEM;
-	}
-   	memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
-	DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page);
-   
-   	I830_WRITE(0x02080, dev_priv->dma_status_page);
-	DRM_DEBUG("Enabled hardware status page\n");
-   
-   	/* Now we need to init our freelist */
-   	if(i830_freelist_init(dev, dev_priv) != 0) {
-		dev->dev_private = (void *)dev_priv;
-	   	i830_dma_cleanup(dev);
-	   	DRM_ERROR("Not enough space in the status page for"
-			  " the freelist\n");
-	   	return -ENOMEM;
-	}
-	dev->dev_private = (void *)dev_priv;
-
-   	return 0;
-}
-
-int i830_dma_init(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_i830_private_t *dev_priv;
-   	drm_i830_init_t init;
-   	int retcode = 0;
-	
-  	if (copy_from_user(&init, (void * __user) arg, sizeof(init)))
-		return -EFAULT;
-	
-   	switch(init.func) {
-	 	case I830_INIT_DMA:
-			dev_priv = DRM(alloc)(sizeof(drm_i830_private_t), 
-					      DRM_MEM_DRIVER);
-	   		if(dev_priv == NULL) return -ENOMEM;
-	   		retcode = i830_dma_initialize(dev, dev_priv, &init);
-	   	break;
-	 	case I830_CLEANUP_DMA:
-	   		retcode = i830_dma_cleanup(dev);
-	   	break;
-	 	default:
-	   		retcode = -EINVAL;
-	   	break;
-	}
-   
-   	return retcode;
-}
-
-#define GFX_OP_STIPPLE           ((0x3<<29)|(0x1d<<24)|(0x83<<16))
-#define ST1_ENABLE               (1<<16)
-#define ST1_MASK                 (0xffff)
-
-/* Most efficient way to verify state for the i830 is as it is
- * emitted.  Non-conformant state is silently dropped.
- */
-static void i830EmitContextVerified( drm_device_t *dev,
-				     unsigned int *code )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	int i, j = 0;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	BEGIN_LP_RING( I830_CTX_SETUP_SIZE + 4 );
-
-	for ( i = 0 ; i < I830_CTXREG_BLENDCOLR0 ; i++ ) {
-		tmp = code[i];
-		if ((tmp & (7<<29)) == CMD_3D &&
-		    (tmp & (0x1f<<24)) < (0x1d<<24)) {
-			OUT_RING( tmp ); 
-			j++;
-		} else {
-			DRM_ERROR("Skipping %d\n", i);
-		}
-	}
-
-	OUT_RING( STATE3D_CONST_BLEND_COLOR_CMD ); 
-	OUT_RING( code[I830_CTXREG_BLENDCOLR] ); 
-	j += 2;
-
-	for ( i = I830_CTXREG_VF ; i < I830_CTXREG_MCSB0 ; i++ ) {
-		tmp = code[i];
-		if ((tmp & (7<<29)) == CMD_3D &&
-		    (tmp & (0x1f<<24)) < (0x1d<<24)) {
-			OUT_RING( tmp ); 
-			j++;
-		} else {
-			DRM_ERROR("Skipping %d\n", i);
-		}
-	}
-
-	OUT_RING( STATE3D_MAP_COORD_SETBIND_CMD ); 
-	OUT_RING( code[I830_CTXREG_MCSB1] ); 
-	j += 2;
-
-	if (j & 1) 
-		OUT_RING( 0 ); 
-
-	ADVANCE_LP_RING();
-}
-
-static void i830EmitTexVerified( drm_device_t *dev, unsigned int *code ) 
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	int i, j = 0;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	if (code[I830_TEXREG_MI0] == GFX_OP_MAP_INFO ||
-	    (code[I830_TEXREG_MI0] & ~(0xf*LOAD_TEXTURE_MAP0)) == 
-	    (STATE3D_LOAD_STATE_IMMEDIATE_2|4)) {
-
-		BEGIN_LP_RING( I830_TEX_SETUP_SIZE );
-
-		OUT_RING( code[I830_TEXREG_MI0] ); /* TM0LI */
-		OUT_RING( code[I830_TEXREG_MI1] ); /* TM0S0 */
-		OUT_RING( code[I830_TEXREG_MI2] ); /* TM0S1 */
-		OUT_RING( code[I830_TEXREG_MI3] ); /* TM0S2 */
-		OUT_RING( code[I830_TEXREG_MI4] ); /* TM0S3 */
-		OUT_RING( code[I830_TEXREG_MI5] ); /* TM0S4 */
-		
-		for ( i = 6 ; i < I830_TEX_SETUP_SIZE ; i++ ) {
-			tmp = code[i];
-			OUT_RING( tmp ); 
-			j++;
-		} 
-
-		if (j & 1) 
-			OUT_RING( 0 ); 
-
-		ADVANCE_LP_RING();
-	}
-	else
-		printk("rejected packet %x\n", code[0]);
-}
-
-static void i830EmitTexBlendVerified( drm_device_t *dev, 
-				      unsigned int *code,
-				      unsigned int num)
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	int i, j = 0;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	if (!num)
-		return;
-
-	BEGIN_LP_RING( num + 1 );
-
-	for ( i = 0 ; i < num ; i++ ) {
-		tmp = code[i];
-		OUT_RING( tmp );
-		j++;
-	}
-
-	if (j & 1) 
-		OUT_RING( 0 ); 
-
-	ADVANCE_LP_RING();
-}
-
-static void i830EmitTexPalette( drm_device_t *dev,
-			        unsigned int *palette,
-			        int number,
-			        int is_shared )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	int i;
-	RING_LOCALS;
-
-	return;
-
-	BEGIN_LP_RING( 258 );
-
-	if(is_shared == 1) {
-		OUT_RING(CMD_OP_MAP_PALETTE_LOAD |
-			 MAP_PALETTE_NUM(0) |
-			 MAP_PALETTE_BOTH);
-	} else {
-		OUT_RING(CMD_OP_MAP_PALETTE_LOAD | MAP_PALETTE_NUM(number));
-	}
-	for(i = 0; i < 256; i++) {
-		OUT_RING(palette[i]);
-	}
-	OUT_RING(0);
-	/* KW:  WHERE IS THE ADVANCE_LP_RING?  This is effectively a noop! 
-	 */
-}
-
-/* Need to do some additional checking when setting the dest buffer.
- */
-static void i830EmitDestVerified( drm_device_t *dev, 
-				  unsigned int *code ) 
-{	
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	unsigned int tmp;
-	RING_LOCALS;
-
-	BEGIN_LP_RING( I830_DEST_SETUP_SIZE + 10 );
-
-
-	tmp = code[I830_DESTREG_CBUFADDR];
-	if (tmp == dev_priv->front_di1 || tmp == dev_priv->back_di1) {
-		if (((int)outring) & 8) {
-			OUT_RING(0);
-			OUT_RING(0);
-		}
-
-		OUT_RING( CMD_OP_DESTBUFFER_INFO );
-		OUT_RING( BUF_3D_ID_COLOR_BACK | 
-			  BUF_3D_PITCH(dev_priv->back_pitch * dev_priv->cpp) |
-			  BUF_3D_USE_FENCE);
-		OUT_RING( tmp );
-		OUT_RING( 0 );
-
-		OUT_RING( CMD_OP_DESTBUFFER_INFO );
-		OUT_RING( BUF_3D_ID_DEPTH | BUF_3D_USE_FENCE | 
-			  BUF_3D_PITCH(dev_priv->depth_pitch * dev_priv->cpp));
-		OUT_RING( dev_priv->zi1 );
-		OUT_RING( 0 );
-	} else {
-		DRM_ERROR("bad di1 %x (allow %x or %x)\n",
-			  tmp, dev_priv->front_di1, dev_priv->back_di1);
-	}
-
-	/* invarient:
-	 */
-
-
-	OUT_RING( GFX_OP_DESTBUFFER_VARS );
-	OUT_RING( code[I830_DESTREG_DV1] );
-
-	OUT_RING( GFX_OP_DRAWRECT_INFO );
-	OUT_RING( code[I830_DESTREG_DR1] );
-	OUT_RING( code[I830_DESTREG_DR2] );
-	OUT_RING( code[I830_DESTREG_DR3] );
-	OUT_RING( code[I830_DESTREG_DR4] );
-
-	/* Need to verify this */
-	tmp = code[I830_DESTREG_SENABLE];
-	if((tmp & ~0x3) == GFX_OP_SCISSOR_ENABLE) {
-		OUT_RING( tmp );
-	} else {
-		DRM_ERROR("bad scissor enable\n");
-		OUT_RING( 0 );
-	}
-
-	OUT_RING( GFX_OP_SCISSOR_RECT );
-	OUT_RING( code[I830_DESTREG_SR1] );
-	OUT_RING( code[I830_DESTREG_SR2] );
-	OUT_RING( 0 );
-
-	ADVANCE_LP_RING();
-}
-
-static void i830EmitStippleVerified( drm_device_t *dev, 
-				     unsigned int *code ) 
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	RING_LOCALS;
-
-	BEGIN_LP_RING( 2 );
-	OUT_RING( GFX_OP_STIPPLE );
-	OUT_RING( code[1] );
-	ADVANCE_LP_RING();	
-}
-
-
-static void i830EmitState( drm_device_t *dev )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	unsigned int dirty = sarea_priv->dirty;
-
-	DRM_DEBUG("%s %x\n", __FUNCTION__, dirty);
-
-	if (dirty & I830_UPLOAD_BUFFERS) {
-		i830EmitDestVerified( dev, sarea_priv->BufferState );
-		sarea_priv->dirty &= ~I830_UPLOAD_BUFFERS;
-	}
-
-	if (dirty & I830_UPLOAD_CTX) {
-		i830EmitContextVerified( dev, sarea_priv->ContextState );
-		sarea_priv->dirty &= ~I830_UPLOAD_CTX;
-	}
-
-	if (dirty & I830_UPLOAD_TEX0) {
-		i830EmitTexVerified( dev, sarea_priv->TexState[0] );
-		sarea_priv->dirty &= ~I830_UPLOAD_TEX0;
-	}
-
-	if (dirty & I830_UPLOAD_TEX1) {
-		i830EmitTexVerified( dev, sarea_priv->TexState[1] );
-		sarea_priv->dirty &= ~I830_UPLOAD_TEX1;
-	}
-
-	if (dirty & I830_UPLOAD_TEXBLEND0) {
-		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[0],
-				sarea_priv->TexBlendStateWordsUsed[0]);
-		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND0;
-	}
-
-	if (dirty & I830_UPLOAD_TEXBLEND1) {
-		i830EmitTexBlendVerified( dev, sarea_priv->TexBlendState[1],
-				sarea_priv->TexBlendStateWordsUsed[1]);
-		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND1;
-	}
-
-	if (dirty & I830_UPLOAD_TEX_PALETTE_SHARED) {
-		i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 1);
-	} else {
-		if (dirty & I830_UPLOAD_TEX_PALETTE_N(0)) {
-			i830EmitTexPalette(dev, sarea_priv->Palette[0], 0, 0);
-			sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(0);
-		}
-		if (dirty & I830_UPLOAD_TEX_PALETTE_N(1)) {
-			i830EmitTexPalette(dev, sarea_priv->Palette[1], 1, 0);
-			sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(1);
-		}
-
-		/* 1.3:
-		 */
-#if 0
-		if (dirty & I830_UPLOAD_TEX_PALETTE_N(2)) {
-			i830EmitTexPalette(dev, sarea_priv->Palette2[0], 0, 0);
-			sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
-		}
-		if (dirty & I830_UPLOAD_TEX_PALETTE_N(3)) {
-			i830EmitTexPalette(dev, sarea_priv->Palette2[1], 1, 0);
-			sarea_priv->dirty &= ~I830_UPLOAD_TEX_PALETTE_N(2);
-		}
-#endif
-	}
-
-	/* 1.3:
-	 */
-	if (dirty & I830_UPLOAD_STIPPLE) {
-		i830EmitStippleVerified( dev, 
-					 sarea_priv->StippleState);
-		sarea_priv->dirty &= ~I830_UPLOAD_STIPPLE;
-	}
-
-	if (dirty & I830_UPLOAD_TEX2) {
-		i830EmitTexVerified( dev, sarea_priv->TexState2 );
-		sarea_priv->dirty &= ~I830_UPLOAD_TEX2;
-	}
-
-	if (dirty & I830_UPLOAD_TEX3) {
-		i830EmitTexVerified( dev, sarea_priv->TexState3 );
-		sarea_priv->dirty &= ~I830_UPLOAD_TEX3;
-	}
-
-
-	if (dirty & I830_UPLOAD_TEXBLEND2) {
-		i830EmitTexBlendVerified( 
-			dev, 
-			sarea_priv->TexBlendState2,
-			sarea_priv->TexBlendStateWordsUsed2);
-
-		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND2;
-	}
-
-	if (dirty & I830_UPLOAD_TEXBLEND3) {
-		i830EmitTexBlendVerified( 
-			dev, 
-			sarea_priv->TexBlendState3,
-			sarea_priv->TexBlendStateWordsUsed3);
-		sarea_priv->dirty &= ~I830_UPLOAD_TEXBLEND3;
-	}
-}
-
-/* ================================================================
- * Performance monitoring functions
- */
-
-static void i830_fill_box( drm_device_t *dev,
-			   int x, int y, int w, int h,
-			   int r, int g, int b )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	u32 color;
-	unsigned int BR13, CMD;
-	RING_LOCALS;
-
-	BR13 = (0xF0 << 16) | (dev_priv->pitch * dev_priv->cpp) | (1<<24);
-	CMD = XY_COLOR_BLT_CMD;
-	x += dev_priv->sarea_priv->boxes[0].x1;
-	y += dev_priv->sarea_priv->boxes[0].y1;
-
-	if (dev_priv->cpp == 4) {
-		BR13 |= (1<<25);
-		CMD |= (XY_COLOR_BLT_WRITE_ALPHA | XY_COLOR_BLT_WRITE_RGB);
-		color = (((0xff) << 24) | (r << 16) | (g <<  8) | b);	
-	} else {
-		color = (((r & 0xf8) << 8) |
-			 ((g & 0xfc) << 3) |
-			 ((b & 0xf8) >> 3));
-	}
-
-	BEGIN_LP_RING( 6 );	    
-	OUT_RING( CMD );
-	OUT_RING( BR13 );
-	OUT_RING( (y << 16) | x );
-	OUT_RING( ((y+h) << 16) | (x+w) );
-
- 	if ( dev_priv->current_page == 1 ) { 
-		OUT_RING( dev_priv->front_offset );
- 	} else {	 
-		OUT_RING( dev_priv->back_offset );
- 	} 
-
-	OUT_RING( color );
-	ADVANCE_LP_RING();
-}
-
-static void i830_cp_performance_boxes( drm_device_t *dev )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-
-	/* Purple box for page flipping
-	 */
-	if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_FLIP ) 
-		i830_fill_box( dev, 4, 4, 8, 8, 255, 0, 255 );
-
-	/* Red box if we have to wait for idle at any point
-	 */
-	if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_WAIT ) 
-		i830_fill_box( dev, 16, 4, 8, 8, 255, 0, 0 );
-
-	/* Blue box: lost context?
-	 */
-	if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_LOST_CONTEXT ) 
-		i830_fill_box( dev, 28, 4, 8, 8, 0, 0, 255 );
-
-	/* Yellow box for texture swaps
-	 */
-	if ( dev_priv->sarea_priv->perf_boxes & I830_BOX_TEXTURE_LOAD ) 
-		i830_fill_box( dev, 40, 4, 8, 8, 255, 255, 0 );
-
-	/* Green box if hardware never idles (as far as we can tell)
-	 */
-	if ( !(dev_priv->sarea_priv->perf_boxes & I830_BOX_RING_EMPTY) ) 
-		i830_fill_box( dev, 64, 4, 8, 8, 0, 255, 0 );
-
-
-	/* Draw bars indicating number of buffers allocated 
-	 * (not a great measure, easily confused)
-	 */
-	if (dev_priv->dma_used) {
-		int bar = dev_priv->dma_used / 10240;
-		if (bar > 100) bar = 100;
-		if (bar < 1) bar = 1;
-		i830_fill_box( dev, 4, 16, bar, 4, 196, 128, 128 );
-		dev_priv->dma_used = 0;
-	}
-
-	dev_priv->sarea_priv->perf_boxes = 0;
-}
-
-static void i830_dma_dispatch_clear( drm_device_t *dev, int flags, 
-				    unsigned int clear_color,
-				    unsigned int clear_zval,
-				    unsigned int clear_depthmask)
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int nbox = sarea_priv->nbox;
-	drm_clip_rect_t *pbox = sarea_priv->boxes;
-	int pitch = dev_priv->pitch;
-	int cpp = dev_priv->cpp;
-	int i;
-	unsigned int BR13, CMD, D_CMD;
-	RING_LOCALS;
-
-
-	if ( dev_priv->current_page == 1 ) {
-		unsigned int tmp = flags;
-
-		flags &= ~(I830_FRONT | I830_BACK);
-		if ( tmp & I830_FRONT ) flags |= I830_BACK;
-		if ( tmp & I830_BACK )  flags |= I830_FRONT;
-	}
-
-  	i830_kernel_lost_context(dev);
-
-	switch(cpp) {
-	case 2: 
-		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
-		D_CMD = CMD = XY_COLOR_BLT_CMD;
-		break;
-	case 4:
-		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24) | (1<<25);
-		CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA | 
-		       XY_COLOR_BLT_WRITE_RGB);
-		D_CMD = XY_COLOR_BLT_CMD;
-		if(clear_depthmask & 0x00ffffff)
-			D_CMD |= XY_COLOR_BLT_WRITE_RGB;
-		if(clear_depthmask & 0xff000000)
-			D_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
-		break;
-	default:
-		BR13 = (0xF0 << 16) | (pitch * cpp) | (1<<24);
-		D_CMD = CMD = XY_COLOR_BLT_CMD;
-		break;
-	}
-
-      	if (nbox > I830_NR_SAREA_CLIPRECTS)
-     		nbox = I830_NR_SAREA_CLIPRECTS;
-
-	for (i = 0 ; i < nbox ; i++, pbox++) {
-		if (pbox->x1 > pbox->x2 ||
-		    pbox->y1 > pbox->y2 ||
-		    pbox->x2 > dev_priv->w ||
-		    pbox->y2 > dev_priv->h)
-			continue;
-
-	   	if ( flags & I830_FRONT ) {	    
-		   	DRM_DEBUG("clear front\n");
-			BEGIN_LP_RING( 6 );	    
-			OUT_RING( CMD );
-			OUT_RING( BR13 );
-			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
-			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
-			OUT_RING( dev_priv->front_offset );
-			OUT_RING( clear_color );
-			ADVANCE_LP_RING();
-		}
-
-		if ( flags & I830_BACK ) {
-			DRM_DEBUG("clear back\n");
-			BEGIN_LP_RING( 6 );	    
-			OUT_RING( CMD );
-			OUT_RING( BR13 );
-			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
-			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
-			OUT_RING( dev_priv->back_offset );
-			OUT_RING( clear_color );
-			ADVANCE_LP_RING();
-		}
-
-		if ( flags & I830_DEPTH ) {
-			DRM_DEBUG("clear depth\n");
-			BEGIN_LP_RING( 6 );
-			OUT_RING( D_CMD );
-			OUT_RING( BR13 );
-			OUT_RING( (pbox->y1 << 16) | pbox->x1 );
-			OUT_RING( (pbox->y2 << 16) | pbox->x2 );
-			OUT_RING( dev_priv->depth_offset );
-			OUT_RING( clear_zval );
-			ADVANCE_LP_RING();
-		}
-	}
-}
-
-static void i830_dma_dispatch_swap( drm_device_t *dev )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-      	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int nbox = sarea_priv->nbox;
-	drm_clip_rect_t *pbox = sarea_priv->boxes;
-	int pitch = dev_priv->pitch;
-	int cpp = dev_priv->cpp;
-	int i;
-	unsigned int CMD, BR13;
-	RING_LOCALS;
-
-	DRM_DEBUG("swapbuffers\n");
-
-  	i830_kernel_lost_context(dev);
-
-	if (dev_priv->do_boxes)
-		i830_cp_performance_boxes( dev );
-
-	switch(cpp) {
-	case 2: 
-		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
-		CMD = XY_SRC_COPY_BLT_CMD;
-		break;
-	case 4:
-		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24) | (1<<25);
-		CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
-		       XY_SRC_COPY_BLT_WRITE_RGB);
-		break;
-	default:
-		BR13 = (pitch * cpp) | (0xCC << 16) | (1<<24);
-		CMD = XY_SRC_COPY_BLT_CMD;
-		break;
-	}
-
-
-      	if (nbox > I830_NR_SAREA_CLIPRECTS)
-     		nbox = I830_NR_SAREA_CLIPRECTS;
-
-	for (i = 0 ; i < nbox; i++, pbox++) 
-	{
-		if (pbox->x1 > pbox->x2 ||
-		    pbox->y1 > pbox->y2 ||
-		    pbox->x2 > dev_priv->w ||
-		    pbox->y2 > dev_priv->h)
-			continue;
- 
-		DRM_DEBUG("dispatch swap %d,%d-%d,%d!\n",
-			  pbox->x1, pbox->y1,
-			  pbox->x2, pbox->y2);
-
-		BEGIN_LP_RING( 8 );
-		OUT_RING( CMD );
-		OUT_RING( BR13 );
-		OUT_RING( (pbox->y1 << 16) | pbox->x1 );
-		OUT_RING( (pbox->y2 << 16) | pbox->x2 );
-
-		if (dev_priv->current_page == 0) 
-			OUT_RING( dev_priv->front_offset );
-		else
-			OUT_RING( dev_priv->back_offset );			
-
-		OUT_RING( (pbox->y1 << 16) | pbox->x1 );
-		OUT_RING( BR13 & 0xffff );
-
-		if (dev_priv->current_page == 0) 
-			OUT_RING( dev_priv->back_offset );			
-		else
-			OUT_RING( dev_priv->front_offset );
-
-		ADVANCE_LP_RING();
-	}
-}
-
-static void i830_dma_dispatch_flip( drm_device_t *dev )
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	RING_LOCALS;
-
-	DRM_DEBUG( "%s: page=%d pfCurrentPage=%d\n", 
-		   __FUNCTION__, 
-		   dev_priv->current_page,
-		   dev_priv->sarea_priv->pf_current_page);
-
-  	i830_kernel_lost_context(dev);
-
-	if (dev_priv->do_boxes) {
-		dev_priv->sarea_priv->perf_boxes |= I830_BOX_FLIP;
-		i830_cp_performance_boxes( dev );
-	}
-
-
-	BEGIN_LP_RING( 2 );
-    	OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE ); 
-	OUT_RING( 0 );
-	ADVANCE_LP_RING();
-
-	BEGIN_LP_RING( 6 );
-	OUT_RING( CMD_OP_DISPLAYBUFFER_INFO | ASYNC_FLIP );	
-	OUT_RING( 0 );
-	if ( dev_priv->current_page == 0 ) {
-		OUT_RING( dev_priv->back_offset );
-		dev_priv->current_page = 1;
-	} else {
-		OUT_RING( dev_priv->front_offset );
-		dev_priv->current_page = 0;
-	}
-	OUT_RING(0);
-	ADVANCE_LP_RING();
-
-
-	BEGIN_LP_RING( 2 );
-	OUT_RING( MI_WAIT_FOR_EVENT |
-		  MI_WAIT_FOR_PLANE_A_FLIP );
-	OUT_RING( 0 );
-	ADVANCE_LP_RING();
-	
-
-	dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-static void i830_dma_dispatch_vertex(drm_device_t *dev, 
-				     drm_buf_t *buf,
-				     int discard,
-				     int used)
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-   	drm_i830_sarea_t *sarea_priv = dev_priv->sarea_priv;
-   	drm_clip_rect_t *box = sarea_priv->boxes;
-   	int nbox = sarea_priv->nbox;
-	unsigned long address = (unsigned long)buf->bus_address;
-	unsigned long start = address - dev->agp->base;     
-	int i = 0, u;
-   	RING_LOCALS;
-
-   	i830_kernel_lost_context(dev);
-
-   	if (nbox > I830_NR_SAREA_CLIPRECTS) 
-		nbox = I830_NR_SAREA_CLIPRECTS;
-
-	if (discard) {
-		u = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
-			    I830_BUF_HARDWARE);
-		if(u != I830_BUF_CLIENT) {
-			DRM_DEBUG("xxxx 2\n");
-		}
-	}
-
-	if (used > 4*1023) 
-		used = 0;
-
-	if (sarea_priv->dirty)
-	   i830EmitState( dev );
-
-  	DRM_DEBUG("dispatch vertex addr 0x%lx, used 0x%x nbox %d\n", 
-		  address, used, nbox);
-
-   	dev_priv->counter++;
-   	DRM_DEBUG(  "dispatch counter : %ld\n", dev_priv->counter);
-   	DRM_DEBUG(  "i830_dma_dispatch\n");
-   	DRM_DEBUG(  "start : %lx\n", start);
-	DRM_DEBUG(  "used : %d\n", used);
-   	DRM_DEBUG(  "start + used - 4 : %ld\n", start + used - 4);
-
-	if (buf_priv->currently_mapped == I830_BUF_MAPPED) {
-		u32 *vp = buf_priv->kernel_virtual;
-
-		vp[0] = (GFX_OP_PRIMITIVE |
-			sarea_priv->vertex_prim |
-			((used/4)-2));
-
-		if (dev_priv->use_mi_batchbuffer_start) {
-			vp[used/4] = MI_BATCH_BUFFER_END;
-			used += 4; 
-		}
-		
-		if (used & 4) {
-			vp[used/4] = 0;
-			used += 4;
-		}
-
-		i830_unmap_buffer(buf);
-	}
-		   
-	if (used) {
-		do {
-			if (i < nbox) {
-				BEGIN_LP_RING(6);
-				OUT_RING( GFX_OP_DRAWRECT_INFO );
-				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR1] );
-				OUT_RING( box[i].x1 | (box[i].y1<<16) );
-				OUT_RING( box[i].x2 | (box[i].y2<<16) );
-				OUT_RING( sarea_priv->BufferState[I830_DESTREG_DR4] );
-				OUT_RING( 0 );
-				ADVANCE_LP_RING();
-			}
-
-			if (dev_priv->use_mi_batchbuffer_start) {
-				BEGIN_LP_RING(2);
-				OUT_RING( MI_BATCH_BUFFER_START | (2<<6) );
-				OUT_RING( start | MI_BATCH_NON_SECURE );
-				ADVANCE_LP_RING();
-			} 
-			else {
-				BEGIN_LP_RING(4);
-				OUT_RING( MI_BATCH_BUFFER );
-				OUT_RING( start | MI_BATCH_NON_SECURE );
-				OUT_RING( start + used - 4 );
-				OUT_RING( 0 );
-				ADVANCE_LP_RING();
-			}
-
-		} while (++i < nbox);
-	}
-
-	if (discard) {
-		dev_priv->counter++;
-
-		(void) cmpxchg(buf_priv->in_use, I830_BUF_CLIENT,
-			       I830_BUF_HARDWARE);
-
-		BEGIN_LP_RING(8);
-		OUT_RING( CMD_STORE_DWORD_IDX );
-		OUT_RING( 20 );
-		OUT_RING( dev_priv->counter );
-		OUT_RING( CMD_STORE_DWORD_IDX );
-		OUT_RING( buf_priv->my_use_idx );
-		OUT_RING( I830_BUF_FREE );
-		OUT_RING( CMD_REPORT_HEAD );
-		OUT_RING( 0 );
-		ADVANCE_LP_RING();
-	}
-}
-
-
-void i830_dma_quiescent(drm_device_t *dev)
-{
-      	drm_i830_private_t *dev_priv = dev->dev_private;
-   	RING_LOCALS;
-
-  	i830_kernel_lost_context(dev);
-
-   	BEGIN_LP_RING(4);
-   	OUT_RING( INST_PARSER_CLIENT | INST_OP_FLUSH | INST_FLUSH_MAP_CACHE );
-   	OUT_RING( CMD_REPORT_HEAD );
-      	OUT_RING( 0 );
-      	OUT_RING( 0 );
-   	ADVANCE_LP_RING();
-
-	i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
-}
-
-static int i830_flush_queue(drm_device_t *dev)
-{
-   	drm_i830_private_t *dev_priv = dev->dev_private;
-	drm_device_dma_t *dma = dev->dma;
-   	int i, ret = 0;
-   	RING_LOCALS;
-	
-   	i830_kernel_lost_context(dev);
-
-   	BEGIN_LP_RING(2);
-      	OUT_RING( CMD_REPORT_HEAD );
-      	OUT_RING( 0 );
-      	ADVANCE_LP_RING();
-
-	i830_wait_ring( dev, dev_priv->ring.Size - 8, __FUNCTION__ );
-
-   	for (i = 0; i < dma->buf_count; i++) {
-	   	drm_buf_t *buf = dma->buflist[ i ];
-	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-	   
-		int used = cmpxchg(buf_priv->in_use, I830_BUF_HARDWARE, 
-				   I830_BUF_FREE);
-
-		if (used == I830_BUF_HARDWARE)
-			DRM_DEBUG("reclaimed from HARDWARE\n");
-		if (used == I830_BUF_CLIENT)
-			DRM_DEBUG("still on client\n");
-	}
-
-   	return ret;
-}
-
-/* Must be called with the lock held */
-void i830_reclaim_buffers( drm_device_t *dev, struct file *filp )
-{
-	drm_device_dma_t *dma = dev->dma;
-	int		 i;
-
-	if (!dma) return;
-      	if (!dev->dev_private) return;
-	if (!dma->buflist) return;
-
-        i830_flush_queue(dev);
-
-	for (i = 0; i < dma->buf_count; i++) {
-	   	drm_buf_t *buf = dma->buflist[ i ];
-	   	drm_i830_buf_priv_t *buf_priv = buf->dev_private;
-	   
-		if (buf->filp == filp && buf_priv) {
-			int used = cmpxchg(buf_priv->in_use, I830_BUF_CLIENT, 
-					   I830_BUF_FREE);
-
-			if (used == I830_BUF_CLIENT)
-				DRM_DEBUG("reclaimed from client\n");
-		   	if(buf_priv->currently_mapped == I830_BUF_MAPPED)
-		     		buf_priv->currently_mapped = I830_BUF_UNMAPPED;
-		}
-	}
-}
-
-int i830_flush_ioctl(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;
-
-   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_flush_ioctl called without lock held\n");
-		return -EINVAL;
-	}
-
-   	i830_flush_queue(dev);
-   	return 0;
-}
-
-int i830_dma_vertex(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_device_dma_t *dma = dev->dma;
-   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
-      	u32 *hw_status = dev_priv->hw_status_page;
-   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
-     					dev_priv->sarea_priv; 
-	drm_i830_vertex_t vertex;
-
-	if (copy_from_user(&vertex, (drm_i830_vertex_t __user *)arg, sizeof(vertex)))
-		return -EFAULT;
-
-   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_dma_vertex called without lock held\n");
-		return -EINVAL;
-	}
-
-	DRM_DEBUG("i830 dma vertex, idx %d used %d discard %d\n",
-		  vertex.idx, vertex.used, vertex.discard);
-
-	if(vertex.idx < 0 || vertex.idx > dma->buf_count) return -EINVAL;
-
-	i830_dma_dispatch_vertex( dev, 
-				  dma->buflist[ vertex.idx ], 
-				  vertex.discard, vertex.used );
-
-	sarea_priv->last_enqueue = dev_priv->counter-1;
-   	sarea_priv->last_dispatch = (int) hw_status[5];
-   
-	return 0;
-}
-
-int i830_clear_bufs(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_i830_clear_t clear;
-
-   	if (copy_from_user(&clear, (drm_i830_clear_t __user *)arg, sizeof(clear)))
-		return -EFAULT;
-   
-   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_clear_bufs called without lock held\n");
-		return -EINVAL;
-	}
-
-	/* GH: Someone's doing nasty things... */
-	if (!dev->dev_private) {
-		return -EINVAL;
-	}
-
-	i830_dma_dispatch_clear( dev, clear.flags, 
-				 clear.clear_color, 
-				 clear.clear_depth,
-			         clear.clear_depthmask);
-   	return 0;
-}
-
-int i830_swap_bufs(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_DEBUG("i830_swap_bufs\n");
-
-   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_swap_buf called without lock held\n");
-		return -EINVAL;
-	}
-
-	i830_dma_dispatch_swap( dev );
-   	return 0;
-}
-
-
-
-/* Not sure why this isn't set all the time:
- */ 
-static void i830_do_init_pageflip( drm_device_t *dev )
-{
-	drm_i830_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	dev_priv->page_flipping = 1;
-	dev_priv->current_page = 0;
-	dev_priv->sarea_priv->pf_current_page = dev_priv->current_page;
-}
-
-int i830_do_cleanup_pageflip( drm_device_t *dev )
-{
-	drm_i830_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-	if (dev_priv->current_page != 0)
-		i830_dma_dispatch_flip( dev );
-
-	dev_priv->page_flipping = 0;
-	return 0;
-}
-
-int i830_flip_bufs(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_i830_private_t *dev_priv = dev->dev_private;
-
-	DRM_DEBUG("%s\n", __FUNCTION__);
-
-   	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_flip_buf called without lock held\n");
-		return -EINVAL;
-	}
-
-	if (!dev_priv->page_flipping) 
-		i830_do_init_pageflip( dev );
-
-	i830_dma_dispatch_flip( dev );
-   	return 0;
-}
-
-int i830_getage(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_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
-      	u32 *hw_status = dev_priv->hw_status_page;
-   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
-     					dev_priv->sarea_priv; 
-
-      	sarea_priv->last_dispatch = (int) hw_status[5];
-	return 0;
-}
-
-int i830_getbuf(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;
-	int		  retcode   = 0;
-	drm_i830_dma_t	  d;
-   	drm_i830_private_t *dev_priv = (drm_i830_private_t *)dev->dev_private;
-   	u32 *hw_status = dev_priv->hw_status_page;
-   	drm_i830_sarea_t *sarea_priv = (drm_i830_sarea_t *) 
-     					dev_priv->sarea_priv; 
-
-	DRM_DEBUG("getbuf\n");
-   	if (copy_from_user(&d, (drm_i830_dma_t __user *)arg, sizeof(d)))
-		return -EFAULT;
-   
-	if(!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)) {
-		DRM_ERROR("i830_dma called without lock held\n");
-		return -EINVAL;
-	}
-	
-	d.granted = 0;
-
-	retcode = i830_dma_get_buffer(dev, &d, filp);
-
-	DRM_DEBUG("i830_dma: %d returning %d, granted = %d\n",
-		  current->pid, retcode, d.granted);
-
-	if (copy_to_user((drm_dma_t __user *)arg, &d, sizeof(d)))
-		return -EFAULT;
-   	sarea_priv->last_dispatch = (int) hw_status[5];
-
-	return retcode;
-}
-
-int i830_copybuf(struct inode *inode,
-		 struct file *filp, 
-		 unsigned int cmd,
-		 unsigned long arg)
-{
-	/* Never copy - 2.4.x doesn't need it */
-	return 0;
-}
-
-int i830_docopy(struct inode *inode, struct file *filp, unsigned int cmd,
-		unsigned long arg)
-{
-	return 0;
-}
-
-
-
-int i830_getparam( 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_i830_private_t *dev_priv = dev->dev_private;
-	drm_i830_getparam_t param;
-	int value;
-
-	if ( !dev_priv ) {
-		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
-		return -EINVAL;
-	}
-
-	if (copy_from_user(&param, (drm_i830_getparam_t __user *)arg, sizeof(param) ))
-		return -EFAULT;
-
-	switch( param.param ) {
-	case I830_PARAM_IRQ_ACTIVE:
-		value = dev->irq_enabled;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	if ( copy_to_user( param.value, &value, sizeof(int) ) ) {
-		DRM_ERROR( "copy_to_user\n" );
-		return -EFAULT;
-	}
-	
-	return 0;
-}
-
-
-int i830_setparam( 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_i830_private_t *dev_priv = dev->dev_private;
-	drm_i830_setparam_t param;
-
-	if ( !dev_priv ) {
-		DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ );
-		return -EINVAL;
-	}
-
-	if (copy_from_user(&param, (drm_i830_setparam_t __user *)arg, sizeof(param) ))
-		return -EFAULT;
-
-	switch( param.param ) {
-	case I830_SETPARAM_USE_MI_BATCHBUFFER_START:
-		dev_priv->use_mi_batchbuffer_start = param.value;
-		break;
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-
-static void i830_driver_pretakedown(drm_device_t *dev)
-{
-	i830_dma_cleanup( dev );
-}
-
-static void i830_driver_release(drm_device_t *dev, struct file *filp)
-{
-	i830_reclaim_buffers(dev, filp);
-}
-
-static int i830_driver_dma_quiescent(drm_device_t *dev)
-{
-	i830_dma_quiescent( dev );
-	return 0;
-}
-
-void i830_driver_register_fns(drm_device_t *dev)
-{
-	dev->driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_DMA_QUEUE;
-#if USE_IRQS
-	dev->driver_features |= DRIVER_HAVE_IRQ | DRIVER_SHARED_IRQ;
-#endif
-	dev->dev_priv_size = sizeof(drm_i830_buf_priv_t);
-	dev->fn_tbl.pretakedown = i830_driver_pretakedown;
-	dev->fn_tbl.release = i830_driver_release;
-	dev->fn_tbl.dma_quiescent = i830_driver_dma_quiescent;
-	dev->fn_tbl.reclaim_buffers = i830_reclaim_buffers;
-#if USE_IRQS
-	dev->fn_tbl.irq_preinstall = i830_driver_irq_preinstall;
-	dev->fn_tbl.irq_postinstall = i830_driver_irq_postinstall;
-	dev->fn_tbl.irq_uninstall = i830_driver_irq_uninstall;
-	dev->fn_tbl.irq_handler = i830_driver_irq_handler;
-#endif
-	dev->counters += 4;
-	dev->types[6] = _DRM_STAT_IRQ;
-	dev->types[7] = _DRM_STAT_PRIMARY;
-	dev->types[8] = _DRM_STAT_SECONDARY;
-	dev->types[9] = _DRM_STAT_DMA;
-}
-