Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next

1 files changed, 0 insertions, 935 deletions

diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
deleted file mode 100644
index c31afbde62e..00000000000
--- a/drivers/char/drm/r128_cce.c
+++ /dev/null
@@ -1,935 +0,0 @@
-/* r128_cce.c -- ATI Rage 128 driver -*- linux-c -*-
- * Created: Wed Apr  5 19:24:19 2000 by kevin@precisioninsight.com
- */
-/*
- * Copyright 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
- * 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:
- *    Gareth Hughes <gareth@valinux.com>
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "r128_drm.h"
-#include "r128_drv.h"
-
-#define R128_FIFO_DEBUG		0
-
-/* CCE microcode (from ATI) */
-static u32 r128_cce_microcode[] = {
-	0, 276838400, 0, 268449792, 2, 142, 2, 145, 0, 1076765731, 0,
-	1617039951, 0, 774592877, 0, 1987540286, 0, 2307490946U, 0,
-	599558925, 0, 589505315, 0, 596487092, 0, 589505315, 1,
-	11544576, 1, 206848, 1, 311296, 1, 198656, 2, 912273422, 11,
-	262144, 0, 0, 1, 33559837, 1, 7438, 1, 14809, 1, 6615, 12, 28,
-	1, 6614, 12, 28, 2, 23, 11, 18874368, 0, 16790922, 1, 409600, 9,
-	30, 1, 147854772, 16, 420483072, 3, 8192, 0, 10240, 1, 198656,
-	1, 15630, 1, 51200, 10, 34858, 9, 42, 1, 33559823, 2, 10276, 1,
-	15717, 1, 15718, 2, 43, 1, 15936948, 1, 570480831, 1, 14715071,
-	12, 322123831, 1, 33953125, 12, 55, 1, 33559908, 1, 15718, 2,
-	46, 4, 2099258, 1, 526336, 1, 442623, 4, 4194365, 1, 509952, 1,
-	459007, 3, 0, 12, 92, 2, 46, 12, 176, 1, 15734, 1, 206848, 1,
-	18432, 1, 133120, 1, 100670734, 1, 149504, 1, 165888, 1,
-	15975928, 1, 1048576, 6, 3145806, 1, 15715, 16, 2150645232U, 2,
-	268449859, 2, 10307, 12, 176, 1, 15734, 1, 15735, 1, 15630, 1,
-	15631, 1, 5253120, 6, 3145810, 16, 2150645232U, 1, 15864, 2, 82,
-	1, 343310, 1, 1064207, 2, 3145813, 1, 15728, 1, 7817, 1, 15729,
-	3, 15730, 12, 92, 2, 98, 1, 16168, 1, 16167, 1, 16002, 1, 16008,
-	1, 15974, 1, 15975, 1, 15990, 1, 15976, 1, 15977, 1, 15980, 0,
-	15981, 1, 10240, 1, 5253120, 1, 15720, 1, 198656, 6, 110, 1,
-	180224, 1, 103824738, 2, 112, 2, 3145839, 0, 536885440, 1,
-	114880, 14, 125, 12, 206975, 1, 33559995, 12, 198784, 0,
-	33570236, 1, 15803, 0, 15804, 3, 294912, 1, 294912, 3, 442370,
-	1, 11544576, 0, 811612160, 1, 12593152, 1, 11536384, 1,
-	14024704, 7, 310382726, 0, 10240, 1, 14796, 1, 14797, 1, 14793,
-	1, 14794, 0, 14795, 1, 268679168, 1, 9437184, 1, 268449792, 1,
-	198656, 1, 9452827, 1, 1075854602, 1, 1075854603, 1, 557056, 1,
-	114880, 14, 159, 12, 198784, 1, 1109409213, 12, 198783, 1,
-	1107312059, 12, 198784, 1, 1109409212, 2, 162, 1, 1075854781, 1,
-	1073757627, 1, 1075854780, 1, 540672, 1, 10485760, 6, 3145894,
-	16, 274741248, 9, 168, 3, 4194304, 3, 4209949, 0, 0, 0, 256, 14,
-	174, 1, 114857, 1, 33560007, 12, 176, 0, 10240, 1, 114858, 1,
-	33560018, 1, 114857, 3, 33560007, 1, 16008, 1, 114874, 1,
-	33560360, 1, 114875, 1, 33560154, 0, 15963, 0, 256, 0, 4096, 1,
-	409611, 9, 188, 0, 10240, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
-};
-
-static int R128_READ_PLL(struct drm_device * dev, int addr)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-
-	R128_WRITE8(R128_CLOCK_CNTL_INDEX, addr & 0x1f);
-	return R128_READ(R128_CLOCK_CNTL_DATA);
-}
-
-#if R128_FIFO_DEBUG
-static void r128_status(drm_r128_private_t * dev_priv)
-{
-	printk("GUI_STAT           = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_GUI_STAT));
-	printk("PM4_STAT           = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_PM4_STAT));
-	printk("PM4_BUFFER_DL_WPTR = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_PM4_BUFFER_DL_WPTR));
-	printk("PM4_BUFFER_DL_RPTR = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_PM4_BUFFER_DL_RPTR));
-	printk("PM4_MICRO_CNTL     = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_PM4_MICRO_CNTL));
-	printk("PM4_BUFFER_CNTL    = 0x%08x\n",
-	       (unsigned int)R128_READ(R128_PM4_BUFFER_CNTL));
-}
-#endif
-
-/* ================================================================
- * Engine, FIFO control
- */
-
-static int r128_do_pixcache_flush(drm_r128_private_t * dev_priv)
-{
-	u32 tmp;
-	int i;
-
-	tmp = R128_READ(R128_PC_NGUI_CTLSTAT) | R128_PC_FLUSH_ALL;
-	R128_WRITE(R128_PC_NGUI_CTLSTAT, tmp);
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		if (!(R128_READ(R128_PC_NGUI_CTLSTAT) & R128_PC_BUSY)) {
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-
-#if R128_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-#endif
-	return -EBUSY;
-}
-
-static int r128_do_wait_for_fifo(drm_r128_private_t * dev_priv, int entries)
-{
-	int i;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		int slots = R128_READ(R128_GUI_STAT) & R128_GUI_FIFOCNT_MASK;
-		if (slots >= entries)
-			return 0;
-		DRM_UDELAY(1);
-	}
-
-#if R128_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-#endif
-	return -EBUSY;
-}
-
-static int r128_do_wait_for_idle(drm_r128_private_t * dev_priv)
-{
-	int i, ret;
-
-	ret = r128_do_wait_for_fifo(dev_priv, 64);
-	if (ret)
-		return ret;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		if (!(R128_READ(R128_GUI_STAT) & R128_GUI_ACTIVE)) {
-			r128_do_pixcache_flush(dev_priv);
-			return 0;
-		}
-		DRM_UDELAY(1);
-	}
-
-#if R128_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-#endif
-	return -EBUSY;
-}
-
-/* ================================================================
- * CCE control, initialization
- */
-
-/* Load the microcode for the CCE */
-static void r128_cce_load_microcode(drm_r128_private_t * dev_priv)
-{
-	int i;
-
-	DRM_DEBUG("\n");
-
-	r128_do_wait_for_idle(dev_priv);
-
-	R128_WRITE(R128_PM4_MICROCODE_ADDR, 0);
-	for (i = 0; i < 256; i++) {
-		R128_WRITE(R128_PM4_MICROCODE_DATAH, r128_cce_microcode[i * 2]);
-		R128_WRITE(R128_PM4_MICROCODE_DATAL,
-			   r128_cce_microcode[i * 2 + 1]);
-	}
-}
-
-/* Flush any pending commands to the CCE.  This should only be used just
- * prior to a wait for idle, as it informs the engine that the command
- * stream is ending.
- */
-static void r128_do_cce_flush(drm_r128_private_t * dev_priv)
-{
-	u32 tmp;
-
-	tmp = R128_READ(R128_PM4_BUFFER_DL_WPTR) | R128_PM4_BUFFER_DL_DONE;
-	R128_WRITE(R128_PM4_BUFFER_DL_WPTR, tmp);
-}
-
-/* Wait for the CCE to go idle.
- */
-int r128_do_cce_idle(drm_r128_private_t * dev_priv)
-{
-	int i;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		if (GET_RING_HEAD(dev_priv) == dev_priv->ring.tail) {
-			int pm4stat = R128_READ(R128_PM4_STAT);
-			if (((pm4stat & R128_PM4_FIFOCNT_MASK) >=
-			     dev_priv->cce_fifo_size) &&
-			    !(pm4stat & (R128_PM4_BUSY |
-					 R128_PM4_GUI_ACTIVE))) {
-				return r128_do_pixcache_flush(dev_priv);
-			}
-		}
-		DRM_UDELAY(1);
-	}
-
-#if R128_FIFO_DEBUG
-	DRM_ERROR("failed!\n");
-	r128_status(dev_priv);
-#endif
-	return -EBUSY;
-}
-
-/* Start the Concurrent Command Engine.
- */
-static void r128_do_cce_start(drm_r128_private_t * dev_priv)
-{
-	r128_do_wait_for_idle(dev_priv);
-
-	R128_WRITE(R128_PM4_BUFFER_CNTL,
-		   dev_priv->cce_mode | dev_priv->ring.size_l2qw
-		   | R128_PM4_BUFFER_CNTL_NOUPDATE);
-	R128_READ(R128_PM4_BUFFER_ADDR);	/* as per the sample code */
-	R128_WRITE(R128_PM4_MICRO_CNTL, R128_PM4_MICRO_FREERUN);
-
-	dev_priv->cce_running = 1;
-}
-
-/* Reset the Concurrent Command Engine.  This will not flush any pending
- * commands, so you must wait for the CCE command stream to complete
- * before calling this routine.
- */
-static void r128_do_cce_reset(drm_r128_private_t * dev_priv)
-{
-	R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
-	R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
-	dev_priv->ring.tail = 0;
-}
-
-/* Stop the Concurrent Command Engine.  This will not flush any pending
- * commands, so you must flush the command stream and wait for the CCE
- * to go idle before calling this routine.
- */
-static void r128_do_cce_stop(drm_r128_private_t * dev_priv)
-{
-	R128_WRITE(R128_PM4_MICRO_CNTL, 0);
-	R128_WRITE(R128_PM4_BUFFER_CNTL,
-		   R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE);
-
-	dev_priv->cce_running = 0;
-}
-
-/* Reset the engine.  This will stop the CCE if it is running.
- */
-static int r128_do_engine_reset(struct drm_device * dev)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	u32 clock_cntl_index, mclk_cntl, gen_reset_cntl;
-
-	r128_do_pixcache_flush(dev_priv);
-
-	clock_cntl_index = R128_READ(R128_CLOCK_CNTL_INDEX);
-	mclk_cntl = R128_READ_PLL(dev, R128_MCLK_CNTL);
-
-	R128_WRITE_PLL(R128_MCLK_CNTL,
-		       mclk_cntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP);
-
-	gen_reset_cntl = R128_READ(R128_GEN_RESET_CNTL);
-
-	/* Taken from the sample code - do not change */
-	R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl | R128_SOFT_RESET_GUI);
-	R128_READ(R128_GEN_RESET_CNTL);
-	R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl & ~R128_SOFT_RESET_GUI);
-	R128_READ(R128_GEN_RESET_CNTL);
-
-	R128_WRITE_PLL(R128_MCLK_CNTL, mclk_cntl);
-	R128_WRITE(R128_CLOCK_CNTL_INDEX, clock_cntl_index);
-	R128_WRITE(R128_GEN_RESET_CNTL, gen_reset_cntl);
-
-	/* Reset the CCE ring */
-	r128_do_cce_reset(dev_priv);
-
-	/* The CCE is no longer running after an engine reset */
-	dev_priv->cce_running = 0;
-
-	/* Reset any pending vertex, indirect buffers */
-	r128_freelist_reset(dev);
-
-	return 0;
-}
-
-static void r128_cce_init_ring_buffer(struct drm_device * dev,
-				      drm_r128_private_t * dev_priv)
-{
-	u32 ring_start;
-	u32 tmp;
-
-	DRM_DEBUG("\n");
-
-	/* The manual (p. 2) says this address is in "VM space".  This
-	 * means it's an offset from the start of AGP space.
-	 */
-#if __OS_HAS_AGP
-	if (!dev_priv->is_pci)
-		ring_start = dev_priv->cce_ring->offset - dev->agp->base;
-	else
-#endif
-		ring_start = dev_priv->cce_ring->offset -
-		    (unsigned long)dev->sg->virtual;
-
-	R128_WRITE(R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET);
-
-	R128_WRITE(R128_PM4_BUFFER_DL_WPTR, 0);
-	R128_WRITE(R128_PM4_BUFFER_DL_RPTR, 0);
-
-	/* Set watermark control */
-	R128_WRITE(R128_PM4_BUFFER_WM_CNTL,
-		   ((R128_WATERMARK_L / 4) << R128_WMA_SHIFT)
-		   | ((R128_WATERMARK_M / 4) << R128_WMB_SHIFT)
-		   | ((R128_WATERMARK_N / 4) << R128_WMC_SHIFT)
-		   | ((R128_WATERMARK_K / 64) << R128_WB_WM_SHIFT));
-
-	/* Force read.  Why?  Because it's in the examples... */
-	R128_READ(R128_PM4_BUFFER_ADDR);
-
-	/* Turn on bus mastering */
-	tmp = R128_READ(R128_BUS_CNTL) & ~R128_BUS_MASTER_DIS;
-	R128_WRITE(R128_BUS_CNTL, tmp);
-}
-
-static int r128_do_init_cce(struct drm_device * dev, drm_r128_init_t * init)
-{
-	drm_r128_private_t *dev_priv;
-
-	DRM_DEBUG("\n");
-
-	dev_priv = drm_alloc(sizeof(drm_r128_private_t), DRM_MEM_DRIVER);
-	if (dev_priv == NULL)
-		return -ENOMEM;
-
-	memset(dev_priv, 0, sizeof(drm_r128_private_t));
-
-	dev_priv->is_pci = init->is_pci;
-
-	if (dev_priv->is_pci && !dev->sg) {
-		DRM_ERROR("PCI GART memory not allocated!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-
-	dev_priv->usec_timeout = init->usec_timeout;
-	if (dev_priv->usec_timeout < 1 ||
-	    dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT) {
-		DRM_DEBUG("TIMEOUT problem!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-
-	dev_priv->cce_mode = init->cce_mode;
-
-	/* GH: Simple idle check.
-	 */
-	atomic_set(&dev_priv->idle_count, 0);
-
-	/* We don't support anything other than bus-mastering ring mode,
-	 * but the ring can be in either AGP or PCI space for the ring
-	 * read pointer.
-	 */
-	if ((init->cce_mode != R128_PM4_192BM) &&
-	    (init->cce_mode != R128_PM4_128BM_64INDBM) &&
-	    (init->cce_mode != R128_PM4_64BM_128INDBM) &&
-	    (init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM)) {
-		DRM_DEBUG("Bad cce_mode!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-
-	switch (init->cce_mode) {
-	case R128_PM4_NONPM4:
-		dev_priv->cce_fifo_size = 0;
-		break;
-	case R128_PM4_192PIO:
-	case R128_PM4_192BM:
-		dev_priv->cce_fifo_size = 192;
-		break;
-	case R128_PM4_128PIO_64INDBM:
-	case R128_PM4_128BM_64INDBM:
-		dev_priv->cce_fifo_size = 128;
-		break;
-	case R128_PM4_64PIO_128INDBM:
-	case R128_PM4_64BM_128INDBM:
-	case R128_PM4_64PIO_64VCBM_64INDBM:
-	case R128_PM4_64BM_64VCBM_64INDBM:
-	case R128_PM4_64PIO_64VCPIO_64INDPIO:
-		dev_priv->cce_fifo_size = 64;
-		break;
-	}
-
-	switch (init->fb_bpp) {
-	case 16:
-		dev_priv->color_fmt = R128_DATATYPE_RGB565;
-		break;
-	case 32:
-	default:
-		dev_priv->color_fmt = R128_DATATYPE_ARGB8888;
-		break;
-	}
-	dev_priv->front_offset = init->front_offset;
-	dev_priv->front_pitch = init->front_pitch;
-	dev_priv->back_offset = init->back_offset;
-	dev_priv->back_pitch = init->back_pitch;
-
-	switch (init->depth_bpp) {
-	case 16:
-		dev_priv->depth_fmt = R128_DATATYPE_RGB565;
-		break;
-	case 24:
-	case 32:
-	default:
-		dev_priv->depth_fmt = R128_DATATYPE_ARGB8888;
-		break;
-	}
-	dev_priv->depth_offset = init->depth_offset;
-	dev_priv->depth_pitch = init->depth_pitch;
-	dev_priv->span_offset = init->span_offset;
-
-	dev_priv->front_pitch_offset_c = (((dev_priv->front_pitch / 8) << 21) |
-					  (dev_priv->front_offset >> 5));
-	dev_priv->back_pitch_offset_c = (((dev_priv->back_pitch / 8) << 21) |
-					 (dev_priv->back_offset >> 5));
-	dev_priv->depth_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) |
-					  (dev_priv->depth_offset >> 5) |
-					  R128_DST_TILE);
-	dev_priv->span_pitch_offset_c = (((dev_priv->depth_pitch / 8) << 21) |
-					 (dev_priv->span_offset >> 5));
-
-	dev_priv->sarea = drm_getsarea(dev);
-	if (!dev_priv->sarea) {
-		DRM_ERROR("could not find sarea!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-
-	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
-	if (!dev_priv->mmio) {
-		DRM_ERROR("could not find mmio region!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-	dev_priv->cce_ring = drm_core_findmap(dev, init->ring_offset);
-	if (!dev_priv->cce_ring) {
-		DRM_ERROR("could not find cce ring region!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-	dev_priv->ring_rptr = drm_core_findmap(dev, init->ring_rptr_offset);
-	if (!dev_priv->ring_rptr) {
-		DRM_ERROR("could not find ring read pointer!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-	dev->agp_buffer_token = init->buffers_offset;
-	dev->agp_buffer_map = drm_core_findmap(dev, init->buffers_offset);
-	if (!dev->agp_buffer_map) {
-		DRM_ERROR("could not find dma buffer region!\n");
-		dev->dev_private = (void *)dev_priv;
-		r128_do_cleanup_cce(dev);
-		return -EINVAL;
-	}
-
-	if (!dev_priv->is_pci) {
-		dev_priv->agp_textures =
-		    drm_core_findmap(dev, init->agp_textures_offset);
-		if (!dev_priv->agp_textures) {
-			DRM_ERROR("could not find agp texture region!\n");
-			dev->dev_private = (void *)dev_priv;
-			r128_do_cleanup_cce(dev);
-			return -EINVAL;
-		}
-	}
-
-	dev_priv->sarea_priv =
-	    (drm_r128_sarea_t *) ((u8 *) dev_priv->sarea->handle +
-				  init->sarea_priv_offset);
-
-#if __OS_HAS_AGP
-	if (!dev_priv->is_pci) {
-		drm_core_ioremap(dev_priv->cce_ring, dev);
-		drm_core_ioremap(dev_priv->ring_rptr, dev);
-		drm_core_ioremap(dev->agp_buffer_map, dev);
-		if (!dev_priv->cce_ring->handle ||
-		    !dev_priv->ring_rptr->handle ||
-		    !dev->agp_buffer_map->handle) {
-			DRM_ERROR("Could not ioremap agp regions!\n");
-			dev->dev_private = (void *)dev_priv;
-			r128_do_cleanup_cce(dev);
-			return -ENOMEM;
-		}
-	} else
-#endif
-	{
-		dev_priv->cce_ring->handle = (void *)dev_priv->cce_ring->offset;
-		dev_priv->ring_rptr->handle =
-		    (void *)dev_priv->ring_rptr->offset;
-		dev->agp_buffer_map->handle =
-		    (void *)dev->agp_buffer_map->offset;
-	}
-
-#if __OS_HAS_AGP
-	if (!dev_priv->is_pci)
-		dev_priv->cce_buffers_offset = dev->agp->base;
-	else
-#endif
-		dev_priv->cce_buffers_offset = (unsigned long)dev->sg->virtual;
-
-	dev_priv->ring.start = (u32 *) dev_priv->cce_ring->handle;
-	dev_priv->ring.end = ((u32 *) dev_priv->cce_ring->handle
-			      + init->ring_size / sizeof(u32));
-	dev_priv->ring.size = init->ring_size;
-	dev_priv->ring.size_l2qw = drm_order(init->ring_size / 8);
-
-	dev_priv->ring.tail_mask = (dev_priv->ring.size / sizeof(u32)) - 1;
-
-	dev_priv->ring.high_mark = 128;
-
-	dev_priv->sarea_priv->last_frame = 0;
-	R128_WRITE(R128_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
-
-	dev_priv->sarea_priv->last_dispatch = 0;
-	R128_WRITE(R128_LAST_DISPATCH_REG, dev_priv->sarea_priv->last_dispatch);
-
-#if __OS_HAS_AGP
-	if (dev_priv->is_pci) {
-#endif
-		dev_priv->gart_info.table_mask = DMA_BIT_MASK(32);
-		dev_priv->gart_info.gart_table_location = DRM_ATI_GART_MAIN;
-		dev_priv->gart_info.table_size = R128_PCIGART_TABLE_SIZE;
-		dev_priv->gart_info.addr = NULL;
-		dev_priv->gart_info.bus_addr = 0;
-		dev_priv->gart_info.gart_reg_if = DRM_ATI_GART_PCI;
-		if (!drm_ati_pcigart_init(dev, &dev_priv->gart_info)) {
-			DRM_ERROR("failed to init PCI GART!\n");
-			dev->dev_private = (void *)dev_priv;
-			r128_do_cleanup_cce(dev);
-			return -ENOMEM;
-		}
-		R128_WRITE(R128_PCI_GART_PAGE, dev_priv->gart_info.bus_addr);
-#if __OS_HAS_AGP
-	}
-#endif
-
-	r128_cce_init_ring_buffer(dev, dev_priv);
-	r128_cce_load_microcode(dev_priv);
-
-	dev->dev_private = (void *)dev_priv;
-
-	r128_do_engine_reset(dev);
-
-	return 0;
-}
-
-int r128_do_cleanup_cce(struct drm_device * dev)
-{
-
-	/* 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) {
-		drm_r128_private_t *dev_priv = dev->dev_private;
-
-#if __OS_HAS_AGP
-		if (!dev_priv->is_pci) {
-			if (dev_priv->cce_ring != NULL)
-				drm_core_ioremapfree(dev_priv->cce_ring, dev);
-			if (dev_priv->ring_rptr != NULL)
-				drm_core_ioremapfree(dev_priv->ring_rptr, dev);
-			if (dev->agp_buffer_map != NULL) {
-				drm_core_ioremapfree(dev->agp_buffer_map, dev);
-				dev->agp_buffer_map = NULL;
-			}
-		} else
-#endif
-		{
-			if (dev_priv->gart_info.bus_addr)
-				if (!drm_ati_pcigart_cleanup(dev,
-							&dev_priv->gart_info))
-					DRM_ERROR
-					    ("failed to cleanup PCI GART!\n");
-		}
-
-		drm_free(dev->dev_private, sizeof(drm_r128_private_t),
-			 DRM_MEM_DRIVER);
-		dev->dev_private = NULL;
-	}
-
-	return 0;
-}
-
-int r128_cce_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_r128_init_t *init = data;
-
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	switch (init->func) {
-	case R128_INIT_CCE:
-		return r128_do_init_cce(dev, init);
-	case R128_CLEANUP_CCE:
-		return r128_do_cleanup_cce(dev);
-	}
-
-	return -EINVAL;
-}
-
-int r128_cce_start(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (dev_priv->cce_running || dev_priv->cce_mode == R128_PM4_NONPM4) {
-		DRM_DEBUG("while CCE running\n");
-		return 0;
-	}
-
-	r128_do_cce_start(dev_priv);
-
-	return 0;
-}
-
-/* Stop the CCE.  The engine must have been idled before calling this
- * routine.
- */
-int r128_cce_stop(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	drm_r128_cce_stop_t *stop = data;
-	int ret;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	/* Flush any pending CCE commands.  This ensures any outstanding
-	 * commands are exectuted by the engine before we turn it off.
-	 */
-	if (stop->flush) {
-		r128_do_cce_flush(dev_priv);
-	}
-
-	/* If we fail to make the engine go idle, we return an error
-	 * code so that the DRM ioctl wrapper can try again.
-	 */
-	if (stop->idle) {
-		ret = r128_do_cce_idle(dev_priv);
-		if (ret)
-			return ret;
-	}
-
-	/* Finally, we can turn off the CCE.  If the engine isn't idle,
-	 * we will get some dropped triangles as they won't be fully
-	 * rendered before the CCE is shut down.
-	 */
-	r128_do_cce_stop(dev_priv);
-
-	/* Reset the engine */
-	r128_do_engine_reset(dev);
-
-	return 0;
-}
-
-/* Just reset the CCE ring.  Called as part of an X Server engine reset.
- */
-int r128_cce_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (!dev_priv) {
-		DRM_DEBUG("called before init done\n");
-		return -EINVAL;
-	}
-
-	r128_do_cce_reset(dev_priv);
-
-	/* The CCE is no longer running after an engine reset */
-	dev_priv->cce_running = 0;
-
-	return 0;
-}
-
-int r128_cce_idle(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	if (dev_priv->cce_running) {
-		r128_do_cce_flush(dev_priv);
-	}
-
-	return r128_do_cce_idle(dev_priv);
-}
-
-int r128_engine_reset(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	DRM_DEBUG("\n");
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	return r128_do_engine_reset(dev);
-}
-
-int r128_fullscreen(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	return -EINVAL;
-}
-
-/* ================================================================
- * Freelist management
- */
-#define R128_BUFFER_USED	0xffffffff
-#define R128_BUFFER_FREE	0
-
-#if 0
-static int r128_freelist_init(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	struct drm_buf *buf;
-	drm_r128_buf_priv_t *buf_priv;
-	drm_r128_freelist_t *entry;
-	int i;
-
-	dev_priv->head = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
-	if (dev_priv->head == NULL)
-		return -ENOMEM;
-
-	memset(dev_priv->head, 0, sizeof(drm_r128_freelist_t));
-	dev_priv->head->age = R128_BUFFER_USED;
-
-	for (i = 0; i < dma->buf_count; i++) {
-		buf = dma->buflist[i];
-		buf_priv = buf->dev_private;
-
-		entry = drm_alloc(sizeof(drm_r128_freelist_t), DRM_MEM_DRIVER);
-		if (!entry)
-			return -ENOMEM;
-
-		entry->age = R128_BUFFER_FREE;
-		entry->buf = buf;
-		entry->prev = dev_priv->head;
-		entry->next = dev_priv->head->next;
-		if (!entry->next)
-			dev_priv->tail = entry;
-
-		buf_priv->discard = 0;
-		buf_priv->dispatched = 0;
-		buf_priv->list_entry = entry;
-
-		dev_priv->head->next = entry;
-
-		if (dev_priv->head->next)
-			dev_priv->head->next->prev = entry;
-	}
-
-	return 0;
-
-}
-#endif
-
-static struct drm_buf *r128_freelist_get(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	drm_r128_private_t *dev_priv = dev->dev_private;
-	drm_r128_buf_priv_t *buf_priv;
-	struct drm_buf *buf;
-	int i, t;
-
-	/* FIXME: Optimize -- use freelist code */
-
-	for (i = 0; i < dma->buf_count; i++) {
-		buf = dma->buflist[i];
-		buf_priv = buf->dev_private;
-		if (!buf->file_priv)
-			return buf;
-	}
-
-	for (t = 0; t < dev_priv->usec_timeout; t++) {
-		u32 done_age = R128_READ(R128_LAST_DISPATCH_REG);
-
-		for (i = 0; i < dma->buf_count; i++) {
-			buf = dma->buflist[i];
-			buf_priv = buf->dev_private;
-			if (buf->pending && buf_priv->age <= done_age) {
-				/* The buffer has been processed, so it
-				 * can now be used.
-				 */
-				buf->pending = 0;
-				return buf;
-			}
-		}
-		DRM_UDELAY(1);
-	}
-
-	DRM_DEBUG("returning NULL!\n");
-	return NULL;
-}
-
-void r128_freelist_reset(struct drm_device * dev)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int i;
-
-	for (i = 0; i < dma->buf_count; i++) {
-		struct drm_buf *buf = dma->buflist[i];
-		drm_r128_buf_priv_t *buf_priv = buf->dev_private;
-		buf_priv->age = 0;
-	}
-}
-
-/* ================================================================
- * CCE command submission
- */
-
-int r128_wait_ring(drm_r128_private_t * dev_priv, int n)
-{
-	drm_r128_ring_buffer_t *ring = &dev_priv->ring;
-	int i;
-
-	for (i = 0; i < dev_priv->usec_timeout; i++) {
-		r128_update_ring_snapshot(dev_priv);
-		if (ring->space >= n)
-			return 0;
-		DRM_UDELAY(1);
-	}
-
-	/* FIXME: This is being ignored... */
-	DRM_ERROR("failed!\n");
-	return -EBUSY;
-}
-
-static int r128_cce_get_buffers(struct drm_device * dev,
-				struct drm_file *file_priv,
-				struct drm_dma * d)
-{
-	int i;
-	struct drm_buf *buf;
-
-	for (i = d->granted_count; i < d->request_count; i++) {
-		buf = r128_freelist_get(dev);
-		if (!buf)
-			return -EAGAIN;
-
-		buf->file_priv = file_priv;
-
-		if (DRM_COPY_TO_USER(&d->request_indices[i], &buf->idx,
-				     sizeof(buf->idx)))
-			return -EFAULT;
-		if (DRM_COPY_TO_USER(&d->request_sizes[i], &buf->total,
-				     sizeof(buf->total)))
-			return -EFAULT;
-
-		d->granted_count++;
-	}
-	return 0;
-}
-
-int r128_cce_buffers(struct drm_device *dev, void *data, struct drm_file *file_priv)
-{
-	struct drm_device_dma *dma = dev->dma;
-	int ret = 0;
-	struct drm_dma *d = data;
-
-	LOCK_TEST_WITH_RETURN(dev, file_priv);
-
-	/* Please don't send us buffers.
-	 */
-	if (d->send_count != 0) {
-		DRM_ERROR("Process %d trying to send %d buffers via drmDMA\n",
-			  DRM_CURRENTPID, d->send_count);
-		return -EINVAL;
-	}
-
-	/* We'll send you buffers.
-	 */
-	if (d->request_count < 0 || d->request_count > dma->buf_count) {
-		DRM_ERROR("Process %d trying to get %d buffers (of %d max)\n",
-			  DRM_CURRENTPID, d->request_count, dma->buf_count);
-		return -EINVAL;
-	}
-
-	d->granted_count = 0;
-
-	if (d->request_count) {
-		ret = r128_cce_get_buffers(dev, file_priv, d);
-	}
-
-	return ret;
-}