Added xorg-server-1.6.2.tar.gz

1 files changed, 0 insertions, 1037 deletions

diff --git a/xorg-server/hw/kdrive/ati/ati_dma.c b/xorg-server/hw/kdrive/ati/ati_dma.c
deleted file mode 100644
index b97d79b25..000000000
--- a/xorg-server/hw/kdrive/ati/ati_dma.c
+++ /dev/null
@@ -1,1037 +0,0 @@
-/*
- * Copyright © 2004 Eric Anholt
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Eric Anholt not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission.  Eric Anholt makes no
- * representations about the suitability of this software for any purpose.  It
- * is provided "as is" without express or implied warranty.
- *
- * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <sys/time.h>
-
-#include "ati.h"
-#include "ati_reg.h"
-#include "ati_dma.h"
-#include "ati_draw.h"
-
-#ifdef USE_DRI
-#include "radeon_common.h"
-#include "r128_common.h"
-#include "ati_sarea.h"
-#endif /* USE_DRI */
-
-#include "agp.h"
-
-#define DEBUG_FIFO 0
-
-extern CARD32 r128_cce_microcode[];
-extern CARD32 radeon_cp_microcode[][2];
-extern CARD32 r200_cp_microcode[][2];
-extern CARD32 r300_cp_microcode[][2];
-
-#if DEBUG_FIFO
-static void
-ATIDebugFifo(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-
-	if (atic->is_radeon) {
-		ErrorF("RADEON_REG_CP_CSQ_CNTL: 0x%08x\n",
-		    MMIO_IN32(mmio, RADEON_REG_CP_CSQ_CNTL));
-		ErrorF("RADEON_REG_CP_CSQ_STAT: 0x%08x\n",
-		    MMIO_IN32(mmio, RADEON_REG_CP_CSQ_STAT));
-		ErrorF("RADEON_REG_RBBM_STATUS: 0x%08x\n",
-		    MMIO_IN32(mmio, RADEON_REG_RBBM_STATUS));
-		ErrorF("RADEON_REG_RB3D_DSTCACHE_CTLSTAT: 0x%08x\n",
-		    MMIO_IN32(mmio, RADEON_REG_RB3D_DSTCACHE_CTLSTAT));
-	} else {
-		ErrorF("R128_REG_PM4_BUFFER_CNTL: 0x%08x\n",
-		    MMIO_IN32(mmio, R128_REG_PM4_BUFFER_CNTL));
-		ErrorF("R128_REG_PM4_STAT: 0x%08x\n",
-		    MMIO_IN32(mmio, R128_REG_PM4_STAT));
-		ErrorF("R128_REG_GUI_STAT: 0x%08x\n",
-		    MMIO_IN32(mmio, R128_REG_GUI_STAT));
-		ErrorF("R128_REG_PC_NGUI_CTLSTAT: 0x%08x\n",
-		    MMIO_IN32(mmio, R128_REG_PC_NGUI_CTLSTAT));
-	}
-}
-#endif
-
-static void
-ATIUploadMicrocode(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	int i;
-
-	MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_ADDR, 0);
-	if (atic->is_radeon && atic->is_r300) {
-		for (i = 0; i < 256; i++) {
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAH,
-			    r300_cp_microcode[i][1]);
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAL,
-			    r300_cp_microcode[i][0]);
-		}
-	} else if (atic->is_radeon && atic->is_r200) {
-		for (i = 0; i < 256; i++) {
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAH,
-			    r200_cp_microcode[i][1]);
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAL,
-			    r200_cp_microcode[i][0]);
-		}
-	} else if (atic->is_radeon && atic->is_r100) {
-		for (i = 0; i < 256; i++) {
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAH,
-			    radeon_cp_microcode[i][1]);
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAL,
-			    radeon_cp_microcode[i][0]);
-		}
-	} else {
-		for (i = 0; i < 256; i++) {
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAH,
-			    r128_cce_microcode[i * 2]);
-			MMIO_OUT32(mmio, ATI_REG_MICROCODE_RAM_DATAL,
-			    r128_cce_microcode[i * 2 + 1]);
-		}
-	}
-}
-
-/* Required when reading from video memory after acceleration to make sure all
- * data has been flushed to video memory from the pixel cache.
- */
-static void
-ATIFlushPixelCache(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	CARD32 temp;
-	TIMEOUT_LOCALS;
-
-	if (atic->is_radeon) {
-		temp = MMIO_IN32(mmio, RADEON_REG_RB3D_DSTCACHE_CTLSTAT);
-		temp |= RADEON_RB3D_DC_FLUSH_ALL;
-		MMIO_OUT32(mmio, RADEON_REG_RB3D_DSTCACHE_CTLSTAT, temp);
-
-		WHILE_NOT_TIMEOUT(.2) {
-			if ((MMIO_IN32(mmio, RADEON_REG_RB3D_DSTCACHE_CTLSTAT) &
-			    RADEON_RB3D_DC_BUSY) == 0)
-				break;
-		}
-	} else {
-		temp = MMIO_IN32(mmio, R128_REG_PC_NGUI_CTLSTAT);
-		temp |= R128_PC_FLUSH_ALL;
-		MMIO_OUT32(mmio, R128_REG_PC_NGUI_CTLSTAT, temp);
-
-		WHILE_NOT_TIMEOUT(.2) {
-			if ((MMIO_IN32(mmio, R128_REG_PC_NGUI_CTLSTAT) &
-			    R128_PC_BUSY) != R128_PC_BUSY)
-				break;
-		}
-	}
-	if (TIMEDOUT())
-		ErrorF("Timeout flushing pixel cache.\n");
-}
-
-static void
-ATIEngineReset(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	CARD32 clockcntlindex, mclkcntl;
-
-#if DEBUG_FIFO
-	ErrorF("Engine Reset!\n");
-	ATIDebugFifo(atis);
-#endif
-
-	ATIFlushPixelCache(atis);
-
-	clockcntlindex = MMIO_IN32(mmio, ATI_REG_CLOCK_CNTL_INDEX);
-	if (atic->is_r300)
-		R300CGWorkaround(atis);
-
-	if (atic->is_radeon) {
-		CARD32 host_path_cntl;
-
-		mclkcntl = INPLL(mmio, RADEON_REG_MCLK_CNTL);
-
-		OUTPLL(mmio, RADEON_REG_MCLK_CNTL, mclkcntl |
-		    RADEON_FORCEON_MCLKA |
-		    RADEON_FORCEON_MCLKB |
-		    RADEON_FORCEON_YCLKA |
-		    RADEON_FORCEON_YCLKB |
-		    RADEON_FORCEON_MC |
-		    RADEON_FORCEON_AIC);
-
-		host_path_cntl = MMIO_IN32(mmio, RADEON_REG_HOST_PATH_CNTL);
-
-		if (atic->is_r300) {
-			MMIO_OUT32(mmio, RADEON_REG_RBBM_SOFT_RESET,
-			    RADEON_SOFT_RESET_CP |
-			    RADEON_SOFT_RESET_HI |
-			    RADEON_SOFT_RESET_E2);
-		} else {
-			MMIO_OUT32(mmio, RADEON_REG_RBBM_SOFT_RESET,
-			    RADEON_SOFT_RESET_CP |
-			    RADEON_SOFT_RESET_SE |
-			    RADEON_SOFT_RESET_RE |
-			    RADEON_SOFT_RESET_PP |
-			    RADEON_SOFT_RESET_E2 |
-			    RADEON_SOFT_RESET_RB);
-		}
-		MMIO_IN32(mmio, RADEON_REG_RBBM_SOFT_RESET);
-		MMIO_OUT32(mmio, RADEON_REG_RBBM_SOFT_RESET, 0);
-
-		MMIO_OUT32(mmio, RADEON_REG_HOST_PATH_CNTL, host_path_cntl |
-		    RADEON_HDP_SOFT_RESET);
-		MMIO_IN32(mmio, RADEON_REG_HOST_PATH_CNTL);
-		MMIO_OUT32(mmio, RADEON_REG_HOST_PATH_CNTL, host_path_cntl);
-
-		MMIO_OUT32(mmio, ATI_REG_CLOCK_CNTL_INDEX, clockcntlindex);
-		OUTPLL(mmio, RADEON_REG_MCLK_CNTL, mclkcntl);
-		if (atic->is_r300)
-			R300CGWorkaround(atis);
-	} else {
-		CARD32 temp;
-
-		mclkcntl = INPLL(mmio, R128_REG_MCLK_CNTL);
-
-		OUTPLL(mmio, R128_REG_MCLK_CNTL,
-		    mclkcntl | R128_FORCE_GCP | R128_FORCE_PIPE3D_CP);
-
-		temp = MMIO_IN32(mmio, R128_REG_GEN_RESET_CNTL);
-		MMIO_OUT32(mmio, R128_REG_GEN_RESET_CNTL,
-		    temp | R128_SOFT_RESET_GUI);
-		temp = MMIO_IN32(mmio, R128_REG_GEN_RESET_CNTL);
-		MMIO_OUT32(mmio, R128_REG_GEN_RESET_CNTL,
-		    temp & ~R128_SOFT_RESET_GUI);
-		temp = MMIO_IN32(mmio, R128_REG_GEN_RESET_CNTL);
-
-		OUTPLL(mmio, R128_REG_MCLK_CNTL, mclkcntl);
-		MMIO_OUT32(mmio, ATI_REG_CLOCK_CNTL_INDEX, clockcntlindex);
-	}
-#ifdef USE_DRI
-	if (atis->using_dri) {
-		ATIDRIDMAReset(atis);
-		ATIDRIDMAStart(atis);
-	}
-#endif
-}
-
-static void
-ATIWaitAvailMMIO(ATIScreenInfo *atis, int n)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	TIMEOUT_LOCALS;
-
-	if (atis->mmio_avail >= n) {
-		atis->mmio_avail -= n;
-		return;
-	}
-	if (atic->is_radeon) {
-		WHILE_NOT_TIMEOUT(.2) {
-			atis->mmio_avail = MMIO_IN32(mmio,
-			    RADEON_REG_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK;
-			if (atis->mmio_avail >= n)
-				break;
-		}
-	} else {
-		WHILE_NOT_TIMEOUT(.2) {
-			atis->mmio_avail = MMIO_IN32(mmio, R128_REG_GUI_STAT) &
-			    0xfff;
-			if (atis->mmio_avail >= n)
-				break;
-		}
-	}
-	if (TIMEDOUT()) {
-		ErrorF("Timeout waiting for %d MMIO slots.\n", n);
-		ATIEngineReset(atis);
-		ATIDrawSetup(atis->screen->pScreen);
-	}
-	atis->mmio_avail -= n;
-}
-
-static int
-ATIGetAvailPrimary(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-
-	if (atic->is_radeon) {
-		int csq_stat, diff;
-	
-		csq_stat = MMIO_IN32(mmio, RADEON_REG_CP_CSQ_STAT);
-		if (atic->is_r200)
-			diff = ((csq_stat & R200_CSQ_WPTR_PRIMARY_MASK) >> 9) - 
-			    (csq_stat & R200_CSQ_RPTR_PRIMARY_MASK);
-		else
-			diff = ((csq_stat & RADEON_CSQ_WPTR_PRIMARY_MASK) >> 8) - 
-			    (csq_stat & RADEON_CSQ_RPTR_PRIMARY_MASK);
-	
-		if (diff < 0)
-			return -diff;
-		else
-			return atis->cce_pri_size - diff;
-	} else {
-		return MMIO_IN32(mmio, R128_REG_PM4_STAT) &
-		    R128_PM4_FIFOCNT_MASK;
-	}
-}
-
-static void
-ATIWaitAvailPrimary(ATIScreenInfo *atis, int n)
-{
-	TIMEOUT_LOCALS;
-
-	if (atis->cce_pri_avail >= n) {
-		atis->cce_pri_avail -= n;
-		return;
-	}
-
-	WHILE_NOT_TIMEOUT(.2) {
-		if (atis->cce_pri_avail >= n)
-			break;
-		atis->cce_pri_avail = ATIGetAvailPrimary(atis);
-		if (atis->cce_pri_avail >= n)
-			break;
-	}
-	if (TIMEDOUT()) {
-		ErrorF("Timeout waiting for %d CCE slots (%d avail).\n", n,
-		    atis->cce_pri_avail);
-		ATIEngineReset(atis);
-		ATIDrawSetup(atis->screen->pScreen);
-	}
-	atis->cce_pri_avail -= n;
-}
-
-void
-ATIWaitIdle(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	TIMEOUT_LOCALS;
-
-	if (atis->indirectBuffer != NULL)
-		ATIFlushIndirect(atis, 0);
-
-#ifdef USE_DRI
-	if (atis->using_dri) {
-		int ret = 0;
-		int cmd = (atic->is_radeon ? DRM_RADEON_CP_IDLE :
-		    DRM_R128_CCE_IDLE);
-		WHILE_NOT_TIMEOUT(2) {
-			ret = drmCommandNone(atic->drmFd, cmd);
-			if (ret != -EBUSY)
-				break;
-		}
-		if (TIMEDOUT()) {
-			ATIDebugFifo(atis);
-			FatalError("Timed out idling CCE (card hung)\n");
-		}
-		if (ret != 0)
-			ErrorF("Failed to idle DMA, returned %d\n", ret);
-		return;
-	}
-#endif
-
-	if (!atic->is_radeon && (atis->using_pseudo || atis->using_dma)) {
-		ATIWaitAvailPrimary(atis, atis->cce_pri_size);
-
-		WHILE_NOT_TIMEOUT(.2) {
-			if ((MMIO_IN32(mmio, R128_REG_PM4_STAT) &
-			    (R128_PM4_BUSY | R128_PM4_GUI_ACTIVE)) == 0)
-				break;
-		}
-		if (TIMEDOUT()) {
-			ErrorF("Timeout idling CCE, resetting...\n");
-			ATIEngineReset(atis);
-			ATIDrawSetup(atis->screen->pScreen);
-		}
-	}
-
-	/* Radeon CP idle is the same as MMIO idle. */
-	if (atis->using_pio || atic->is_radeon) {
-		/* Empty the fifo */
-		ATIWaitAvailMMIO(atis, 64);
-
-		if (atic->is_radeon) {
-			WHILE_NOT_TIMEOUT(.2) {
-				if ((MMIO_IN32(mmio, RADEON_REG_RBBM_STATUS) &
-				    RADEON_RBBM_ACTIVE) == 0)
-					break;
-			}
-		} else {
-			WHILE_NOT_TIMEOUT(.2) {
-				if ((MMIO_IN32(mmio, R128_REG_GUI_STAT) &
-				    R128_GUI_ACTIVE) == 0)
-					break;
-			}
-		}
-		if (TIMEDOUT()) {
-			ErrorF("Timeout idling accelerator, resetting...\n");
-			ATIEngineReset(atis);
-			ATIDrawSetup(atis->screen->pScreen);
-		}
-	}
-
-	ATIFlushPixelCache(atis);
-
-#if DEBUG_FIFO
-	ErrorF("Idle?\n");
-	ATIDebugFifo(atis);
-#endif
-}
-
-dmaBuf *
-ATIGetDMABuffer(ATIScreenInfo *atis)
-{
-	dmaBuf *buf;
-
-	buf = (dmaBuf *)xalloc(sizeof(dmaBuf));
-	if (buf == NULL)
-		return NULL;
-
-#ifdef USE_DRI
-	if (atis->using_dri) {
-		buf->drmBuf = ATIDRIGetBuffer(atis);
-		if (buf->drmBuf == NULL) {
-			xfree(buf);
-			return NULL;
-		}
-		buf->size = buf->drmBuf->total;
-		buf->used = buf->drmBuf->used;
-		buf->address = buf->drmBuf->address;
-		return buf;
-	}
-#endif /* USE_DRI */
-
-	if (atis->using_dma)
-		buf->size = atis->ring_len / 2;
-	else
-		buf->size = 512 * 1024;
-	buf->address = xalloc(buf->size);
-	if (buf->address == NULL) {
-		xfree(buf);
-		return NULL;
-	}
-	buf->used = 0;
-
-	return buf;
-}
-
-/* Decode a type-3 packet into MMIO register writes. Only some type-3 packets
- * supported, and only partially.
- */
-static void
-ATIDispatchPacket3MMIO(ATIScreenInfo *atis, CARD32 header, CARD32 *addr,
-    int count)
-{
-	ATICardInfo *atic = atis->atic;
-	char *mmio = atic->reg_base;
-	CARD32 settings;
-	int i = 0;
-
-	settings = addr[i++];
-
-	if ((settings & ATI_GMC_SRC_PITCH_OFFSET_CNTL) != 0)
-		MMIO_OUT32(mmio, ATI_REG_SRC_PITCH_OFFSET, addr[i++]);
-	if ((settings & ATI_GMC_DST_PITCH_OFFSET_CNTL) != 0)
-		MMIO_OUT32(mmio, ATI_REG_DST_PITCH_OFFSET, addr[i++]);
-	if ((settings & ATI_GMC_BRUSH_MASK) == ATI_GMC_BRUSH_SOLID_COLOR)
-		MMIO_OUT32(mmio, ATI_REG_DP_BRUSH_FRGD_CLR, addr[i++]);
-
-	switch (header & (ATI_CCE_PACKETTYPE_MASK |
-	    ATI_CCE_PACKET3_IT_OPCODE_MASK))
-	{
-	case ATI_CCE_PACKET3_PAINT_MULTI:
-		while (i < count) {
-			MMIO_OUT32(mmio, ATI_REG_DST_Y_X,
-			    (addr[i] >> 16) | (addr[i] << 16));
-			i++;
-			MMIO_OUT32(mmio, ATI_REG_DST_HEIGHT_WIDTH,
-			    (addr[i] >> 16) | (addr[i] << 16));
-			i++;
-		}
-		break;
-	case ATI_CCE_PACKET3_BITBLT_MULTI:
-		while (i < count) {
-			MMIO_OUT32(mmio, ATI_REG_SRC_Y_X,
-			    (addr[i] >> 16) | (addr[i] << 16));
-			i++;
-			MMIO_OUT32(mmio, ATI_REG_DST_Y_X,
-			    (addr[i] >> 16) | (addr[i] << 16));
-			i++;
-			MMIO_OUT32(mmio, ATI_REG_DST_HEIGHT_WIDTH,
-			    (addr[i] >> 16) | (addr[i] << 16));
-			i++;
-		}
-		break;
-	default:
-		ErrorF("Unsupported packet: 0x%x\n", header);
-	}
-}
-
-/* Dispatch packets by decoding them and writing to registers.  Doesn't support
- * the type 3 packets.
- */
-static void
-ATIDispatchIndirectMMIO(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	dmaBuf *buf = atis->indirectBuffer;
-	char *mmio = atic->reg_base;
-	CARD32 *addr;
-	CARD32 reg;
-	int i, n, count;
-
-	addr = (CARD32 *)((char *)buf->address + atis->indirectStart);
-	count = (buf->used - atis->indirectStart) / 4;
-
-	for (i = 0; i < count; i++) {
-		CARD32 header = addr[i];
-
-		switch (header & ATI_CCE_PACKETTYPE_MASK)
-		{
-		case ATI_CCE_PACKET0:
-			n = ((header & ATI_CCE_PACKET0_COUNT_MASK) >> 16) + 1;
-			reg = (header & ATI_CCE_PACKET0_REG_MASK) << 2;
-			ATIWaitAvailMMIO(atis, n);
-			while (n > 0) {
-				i++;
-				MMIO_OUT32(mmio, reg, addr[i]);
-				if ((header & ATI_CCE_PACKET0_ONE_REG_WR) == 0)
-					reg += 4;
-				n--;
-			}
-			break;
-		case ATI_CCE_PACKET1:
-			reg = (header & ATI_CCE_PACKET1_REG_1) << 2;
-			MMIO_OUT32(mmio, reg, addr[++i]);
-			reg = ((header & ATI_CCE_PACKET1_REG_2) >>
-			    ATI_CCE_PACKET1_REG_2_SHIFT) << 2;
-			MMIO_OUT32(mmio, reg, addr[++i]);
-			break;
-		case ATI_CCE_PACKET2:
-			/* PACKET2 is a no-op packet. */
-			break;
-		case ATI_CCE_PACKET3:
-			n = ((header & ATI_CCE_PACKET3_COUNT_MASK) >> 16) + 1;
-			ATIDispatchPacket3MMIO(atis, header, &addr[i], n);
-			i += n;
-			break;
-		default:
-			ErrorF("Unsupported packet: 0x%x\n", addr[i]);
-		}
-	}
-}
-
-/* Dispatch packets by sending them through the MMIO aperture. */
-static void
-R128DispatchIndirectPDMA(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	dmaBuf *buf = atis->indirectBuffer;
-	char *mmio = atic->reg_base;
-	CARD32 *addr;
-	int count;
-
-	addr = (CARD32 *)((char *)buf->address + atis->indirectStart);
-	count = (buf->used - atis->indirectStart) / 4;
-
-	while (count > 1) {
-		ATIWaitAvailPrimary(atis, 2);
-		MMIO_OUT32(mmio, R128_REG_PM4_FIFO_DATA_EVEN, *addr++);
-		MMIO_OUT32(mmio, R128_REG_PM4_FIFO_DATA_ODD, *addr++);
-		count -= 2;
-	}
-
-	/* Submit last DWORD if necessary. */
-	if (count != 0) {
-		ATIWaitAvailPrimary(atis, 2);
-		MMIO_OUT32(mmio, R128_REG_PM4_FIFO_DATA_EVEN, *addr++);
-		MMIO_OUT32(mmio, R128_REG_PM4_FIFO_DATA_ODD, ATI_CCE_PACKET2);
-	}
-}
-
-/* Dispatch packets by sending them through the MMIO aperture, using the
- * primary CCE ring. */
-static void
-RadeonDispatchIndirectPDMA(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	dmaBuf *buf = atis->indirectBuffer;
-	char *mmio = atic->reg_base;
-	CARD32 *addr;
-	int count, avail, reg, i;
-	TIMEOUT_LOCALS;
-
-	addr = (CARD32 *)((char *)buf->address + atis->indirectStart);
-	count = (buf->used - atis->indirectStart) / 4;
-
-	reg = RADEON_REG_CSQ_APER_PRIMARY;
-	WHILE_NOT_TIMEOUT(3) {
-		/* 3 seconds is empirical, using render_bench on an r100. */
-		if (count <= 0)
-			break;
-		avail = ATIGetAvailPrimary(atis);
-		for (i = 0; i < min(count, avail); i++) {
-			MMIO_OUT32(mmio, reg, *addr++);
-			if (reg == RADEON_REG_CSQ_APER_PRIMARY_END)
-				reg = RADEON_REG_CSQ_APER_PRIMARY;
-			else
-				reg += 4;
-		}
-		count -= i;
-	}
-	if (TIMEDOUT()) {
-		ErrorF("Timeout submitting packets, resetting...\n");
-		ATIEngineReset(atis);
-		ATIDrawSetup(atis->screen->pScreen);
-	}
-}
-
-
-/* Dispatch packets by writing them to the (primary) ring buffer, which happens
- * to be in framebuffer memory.
- */
-static void
-R128DispatchIndirectDMA(ATIScreenInfo *atis)
-{
-	ATICardInfo *atic = atis->atic;
-	dmaBuf *buf = atis->indirectBuffer;
-	char *mmio = atic->reg_base;
-	CARD32 *addr;
-	int count, ring_count;
-	TIMEOUT_LOCALS;
-
-	addr = (CARD32 *)((char *)buf->address + atis->indirectStart);
-	count = (buf->used - atis->indirectStart) / 4;
-	ring_count = atis->ring_len / 4;
-
-	WHILE_NOT_TIMEOUT(.2) {
-		if (count <= 0)
-			break;
-
-		atis->ring_addr[atis->ring_write++] = *addr++;
-		if (atis->ring_write >= ring_count)
-			atis->ring_write = 0;
-		while (atis->ring_write == atis->ring_read) {
-			atis->ring_read = MMIO_IN32(mmio, ATI_REG_CCE_RPTR);
-		}
-		count--;
-	}
-	if (TIMEDOUT()) {
-		ErrorF("Timeout submitting packets, resetting...\n");
-		ATIEngineReset(atis);
-		ATIDrawSetup(atis->screen->pScreen);
-	}
-		
-	/* Workaround for some early Rage 128 ASIC spins where the CCE parser
-	 * may read up to 32 DWORDS beyond the end of the ring buffer memory
-	 * before wrapping around, if the ring buffer was empty and a <32 DWORD
-	 * packet that wraps around the end of the ring buffer is submitted.
-	 * To work around that, copy the beginning of the ring buffer past the
-	 * end if that may happen.
-	 */
-	if (atis->ring_write < 32)
-		memcpy(atis->ring_addr + ring_count, atis->ring_addr, 32 * 4);
-
-	/* Update write pointer */
-	MMIO_OUT32(mmio, ATI_REG_CCE_WPTR, atis->ring_write);
-}
-
-void
-ATIFlushIndirect(ATIScreenInfo *atis, Bool discard)
-{
-	ATICardInfo *atic = atis->atic;
-	dmaBuf *buf = atis->indirectBuffer;
-
-	if ((atis->indirectStart == buf->used) && !discard)
-		return;
-
-#if DEBUG_FIFO
-	ErrorF("Dispatching %d DWORDS\n", (buf->used - atis->indirectStart) /
-	    4);
-#endif
-
-#ifdef USE_DRI
-	if (atis->using_dri) {
-		buf->drmBuf->used = buf->used;
-		ATIDRIDispatchIndirect(atis, discard);
-		if (discard) {
-			buf->drmBuf = ATIDRIGetBuffer(atis);
-			buf->size = buf->drmBuf->total;
-			buf->used = buf->drmBuf->used;
-			buf->address = buf->drmBuf->address;
-			atis->indirectStart = 0;
-		} else {
-			/* Start on a double word boundary */
-			atis->indirectStart = buf->used = (buf->used + 7) & ~7;
-		}
-		return;
-	}
-#endif /* USE_DRI */
-
-	if (atis->using_dma && !atic->is_radeon)
-		R128DispatchIndirectDMA(atis);
-	else if (atis->using_pseudo) {
-		if (atic->is_radeon)
-			RadeonDispatchIndirectPDMA(atis);
-		else
-			R128DispatchIndirectPDMA(atis);
-	} else
-		ATIDispatchIndirectMMIO(atis);
-
-	buf->used = 0;
-	atis->indirectStart = 0;
-}
-
-static Bool
-ATIInitAGP(ScreenPtr pScreen, int size)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	AgpInfoPtr agp_info;
-	int screennum = atis->screen->mynum;
-
-	if (atic->is_radeon)
-		return FALSE;
-
-	if (!KdAgpGARTSupported()) 
-		return FALSE; 
-
-	if (!KdAcquireGART(screennum))
-		return FALSE;
-
-	atis->agp_key = KdAllocateGARTMemory(screennum, size, 0, NULL);
-	if (atis->agp_key == -1) {
-		ErrorF("Failed to allocate %dKB GART memory\n", size/1024);
-		KdReleaseGART(screennum);
-		return FALSE;
-	}
-
-	if (!KdBindGARTMemory(screennum, atis->agp_key, 0)) {
-		ErrorF("Failed to bind GART memory\n");
-		KdReleaseGART(screennum);
-		return FALSE;
-	}
-
-	agp_info = KdGetAGPInfo(screennum);
-	if (agp_info == NULL) {
-		KdUnbindGARTMemory(screennum, atis->agp_key);
-		KdReleaseGART(screennum);
-		return FALSE;
-	}
-
-	atis->agp_addr = KdMapDevice(agp_info->base, agp_info->size);
-	if (atis->agp_addr == NULL) {
-		ErrorF("Failed to map GART memory\n");
-		KdUnbindGARTMemory(screennum, atis->agp_key);
-		KdReleaseGART(screennum);
-		free(agp_info);
-		return FALSE;
-	}
-	KdSetMappedMode(agp_info->base, agp_info->size,
-	    KD_MAPPED_MODE_FRAMEBUFFER);
-
-	atis->agp_size = size;
-	free(agp_info);
-
-	return TRUE;
-}
-
-static void
-ATIFiniAGP(ScreenPtr pScreen)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	int screennum = atis->screen->mynum;
-
-	KdUnbindGARTMemory(screennum, atis->agp_key);
-	KdReleaseGART(screennum);
-	atis->agp_addr = NULL;
-	atis->agp_size = 0;
-}
-
-static Bool
-ATIPseudoDMAInit(ScreenPtr pScreen)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	char *mmio = atic->reg_base;
-
-	if (atic->is_r300)
-		return FALSE;
-
-	ATIUploadMicrocode(atis);
-	ATIEngineReset(atis);
-
-	if (atic->is_r200) {
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIPIO_INDDIS);
-		atis->cce_pri_size = MMIO_IN32(mmio, RADEON_REG_CP_CSQ_CNTL) &
-		    R200_CSQ_CNT_PRIMARY_MASK;
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, RADEON_ME_MODE_FREE_RUN);
-	} else if (atic->is_radeon) {
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIPIO_INDDIS);
-		atis->cce_pri_size = MMIO_IN32(mmio, RADEON_REG_CP_CSQ_CNTL) &
-		    RADEON_CSQ_CNT_PRIMARY_MASK;
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, RADEON_ME_MODE_FREE_RUN);
-	} else {
-		MMIO_OUT32(mmio, R128_REG_PM4_BUFFER_CNTL, R128_PM4_192PIO |
-		    R128_PM4_BUFFER_CNTL_NOUPDATE);
-		atis->cce_pri_size = 192;
-		MMIO_OUT32(mmio, R128_REG_PM4_MICRO_CNTL,
-		    R128_PM4_MICRO_FREERUN);
-	}
-
-	return TRUE;
-}
-
-static Bool
-ATIPseudoDMAFini(ScreenPtr pScreen)
-{	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	char *mmio = atic->reg_base;
-
-	if (atic->is_radeon) {
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, 0);
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIDIS_INDDIS);
-	} else {
-		MMIO_OUT32(mmio, R128_REG_PM4_MICRO_CNTL, 0);
-		MMIO_OUT32(mmio, R128_REG_PM4_BUFFER_CNTL,
-		    R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE);
-	}
-	atis->cce_pri_size = 0;
-
-	ATIEngineReset(atis);
-
-	return TRUE;
-}
-
-static Bool
-ATIDMAInit(ScreenPtr pScreen, Bool use_agp)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	char *mmio = atic->reg_base;
-	int dma_offset;
-	CARD32 tmp;
-
-	/* XXX: Not for radeons.  Yet? */
-	if (atic->is_radeon)
-		return FALSE;
-
-	if (use_agp) {
-		if (1)
-			return FALSE; /* XXX */
-		/* Allocate a 1MB AGP space, but only use 128k + 128 for DMA.
-		 * XXX: Should use the rest for things like scratch space.
-		 */
-		if (!ATIInitAGP(pScreen, 1024 * 1024))
-			return FALSE;
-		atis->ring_addr = atis->agp_addr;
-		atis->ring_len = 128 * 1024;
-		dma_offset = R128_AGP_OFFSET;
-	} else {
-		if (1)
-			return FALSE; /* XXX */
-		/* Allocate a 128K buffer, plus 32 DWORDS to give space for the
-		 * R128 ASIC bug workaround.
-		 */
-		atis->dma_space = KdOffscreenAlloc(pScreen, 128 * 1024 + 128,
-		    128, TRUE, NULL, NULL);
-		if (atis->dma_space == NULL)
-			return FALSE;
-		atis->ring_addr = (CARD32 *)(atis->dma_space->offset +
-		    pScreenPriv->screen->memory_base);
-		atis->ring_len = 128 * 1024;
-		dma_offset = atis->dma_space->offset;
-	}
-
-	ATIUploadMicrocode(atis);
-	ATIEngineReset(atis);
-
-	atis->ring_read = 0;
-	atis->ring_write = 0;
-
-	tmp = MMIO_IN32(mmio, ATI_REG_BUS_CNTL);
-	MMIO_OUT32(mmio, ATI_REG_BUS_CNTL, tmp & ~ATI_BUS_MASTER_DIS);
-
-	MMIO_OUT32(mmio, ATI_REG_CCE_RB_BASE, dma_offset);
-	MMIO_OUT32(mmio, ATI_REG_CCE_WPTR, atis->ring_write);
-	MMIO_OUT32(mmio, ATI_REG_CCE_RPTR, atis->ring_read);
-	MMIO_OUT32(mmio, ATI_REG_CCE_RPTR_ADDR, 0 /* XXX? */);
-
-	if (atic->is_r200) {
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIBM_INDBM);
-		atis->cce_pri_size = MMIO_IN32(mmio, RADEON_REG_CP_CSQ_CNTL) &
-		    R200_CSQ_CNT_PRIMARY_MASK;
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, RADEON_ME_MODE_FREE_RUN);
-	} else if (atic->is_radeon) {
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIBM_INDBM);
-		atis->cce_pri_size = MMIO_IN32(mmio, RADEON_REG_CP_CSQ_CNTL) &
-		    RADEON_CSQ_CNT_PRIMARY_MASK;
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, RADEON_ME_MODE_FREE_RUN);
-	} else {
-		MMIO_OUT32(mmio, R128_REG_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));
-		/* The sample code reads from an undocumneted register
-		 * (PM4_BUFFER_ADDR).  Perhaps it's a write posting thing?  Do
-		 * a read in case that's it.
-		 */
-		MMIO_IN32(mmio, R128_REG_PM4_BUFFER_CNTL);
-		if (use_agp) {
-			/* XXX Magic num */
-			MMIO_OUT32(mmio, R128_REG_PCI_GART_PAGE, 1);
-			MMIO_OUT32(mmio, R128_REG_PM4_BUFFER_CNTL,
-			    ATILog2(atis->ring_len) |
-			    R128_PM4_192BM |
-			    R128_PM4_BUFFER_CNTL_NOUPDATE);
-		} else {
-			MMIO_OUT32(mmio, R128_REG_PM4_BUFFER_CNTL,
-			    ATILog2(atis->ring_len) |
-			    R128_PM4_192BM |
-			    R128_PM4_BUFFER_CNTL_NOUPDATE |
-			    R128_PM4_IN_FRAME_BUFFER);
-		}
-		atis->cce_pri_size = 192;
-		MMIO_IN32(mmio, R128_REG_PM4_BUFFER_CNTL);
-		MMIO_OUT32(mmio, R128_REG_PM4_MICRO_CNTL,
-		    R128_PM4_MICRO_FREERUN);
-	}
-
-	return TRUE;
-}
-
-static Bool
-ATIDMAFini(ScreenPtr pScreen)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-	ATICardInfo(pScreenPriv);
-	char *mmio = atic->reg_base;
-
-	if (atic->is_radeon) {
-		MMIO_OUT32(mmio, RADEON_REG_ME_CNTL, 0);
-		MMIO_OUT32(mmio, RADEON_REG_CP_CSQ_CNTL,
-		    RADEON_CSQ_PRIDIS_INDDIS);
-	} else {
-		MMIO_OUT32(mmio, ATI_REG_CCE_WPTR,
-		    atis->ring_write | R128_PM4_BUFFER_DL_DONE);
-		MMIO_OUT32(mmio, R128_REG_PM4_MICRO_CNTL, 0);
-		MMIO_OUT32(mmio, R128_REG_PM4_BUFFER_CNTL,
-		    R128_PM4_NONPM4 | R128_PM4_BUFFER_CNTL_NOUPDATE);
-	}
-	atis->cce_pri_size = 0;
-
-	ATIEngineReset(atis);
-
-	if (atis->using_agp)
-		ATIFiniAGP(pScreen);
-	else
-		KdOffscreenFree(pScreen, atis->dma_space);
-
-	return TRUE;
-}
-
-void
-ATIDMASetup(ScreenPtr pScreen)
-{
-	KdScreenPriv(pScreen);
-	ATICardInfo(pScreenPriv);
-	ATIScreenInfo(pScreenPriv);
-
-#ifdef USE_DRI
-	if (atis->using_dri)
-		ATIDRIDMAStart(atis);
-#endif /* USE_DRI */
-
-	if (!atis->using_dri) {
-		atis->using_agp = FALSE;
-		if (atic->is_agp && ATIDMAInit(pScreen, TRUE)) {
-			atis->using_agp = TRUE;
-			atis->using_dma = TRUE;
-		} else if (ATIDMAInit(pScreen, FALSE)) {
-			atis->using_agp = FALSE;
-			atis->using_dma = TRUE;
-		} else if (ATIPseudoDMAInit(pScreen))
-			atis->using_pseudo = TRUE;
-		else
-			atis->using_pio = TRUE;
-	}
-
-	atis->indirectBuffer = ATIGetDMABuffer(atis);
-	if (atis->indirectBuffer == FALSE)
-		FatalError("Failed to allocate DMA buffer.\n");
-
-	if (atis->using_dri)
-		ErrorF("Initialized %s DRI DMA\n",
-		    atis->using_agp ? "AGP" : "PCI");
-	else if (atis->using_dma && atis->using_agp)
-		ErrorF("Initialized AGP DMA\n");
-	else if (atis->using_dma)
-		ErrorF("Initialized framebuffer pseudo-DMA\n");
-	else if (atis->using_pseudo)
-		ErrorF("Initialized pseudo-DMA\n");
-	else if (atis->using_pio)
-		ErrorF("Initialized PIO\n");
-}
-
-void
-ATIDMATeardown(ScreenPtr pScreen)
-{
-	KdScreenPriv(pScreen);
-	ATIScreenInfo(pScreenPriv);
-
-	ATIWaitIdle(atis);
-
-#ifdef USE_DRI
-	if (atis->using_dri)
-		ATIDRIDMAStop(atis);
-#endif /* USE_DRI */
-
-	if (atis->using_dma)
-		ATIDMAFini(pScreen);
-
-	if (atis->using_pseudo)
-		ATIPseudoDMAFini(pScreen);
-
-	if (atis->using_pio || atis->using_pseudo || atis->using_dma) {
-		xfree(atis->indirectBuffer->address);
-		xfree(atis->indirectBuffer);
-	}
-	atis->indirectBuffer = NULL;
-
-	atis->using_pio = FALSE;
-	atis->using_pseudo = FALSE;
-	atis->using_dma = FALSE;
-	atis->using_agp = FALSE;
-}
-