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diff --git a/src/atimach64accel.c b/src/atimach64accel.c
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-/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/ati/atimach64accel.c,v 1.1 2003/04/23 21:51:28 tsi Exp $ */
-/*
- * Copyright 2003 by Marc Aurele La France (TSI @ UQV), tsi@xfree86.org
- *
- * 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 Marc Aurele La France not be used in advertising or
- * publicity pertaining to distribution of the software without specific,
- * written prior permission. Marc Aurele La France makes no representations
- * about the suitability of this software for any purpose. It is provided
- * "as-is" without express or implied warranty.
- *
- * MARC AURELE LA FRANCE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO
- * EVENT SHALL MARC AURELE LA FRANCE 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.
- */
-/*
- * Copyright 1999-2000 Precision Insight, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to
- * deal in the Software without restriction, including without limitation the
- * rights to use, copy, modify, merge, publish, distribute, 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 NON-INFRINGEMENT. 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.
- */
-/*
- * DRI support by:
- * Manuel Teira
- * Leif Delgass <ldelgass@retinalburn.net>
- */
-
-#include "ati.h"
-#include "atichip.h"
-#include "atimach64accel.h"
-#include "atimach64io.h"
-#include "atipriv.h"
-#include "atiregs.h"
-
-#include "mach64_common.h"
-
-#include "miline.h"
-
-/* Used to test MMIO cache integrity in ATIMach64Sync() */
-#define TestRegisterCaching(_Register) \
- if (RegisterIsCached(_Register) && \
- (CacheSlot(_Register) != inm(_Register))) \
- { \
- UncacheRegister(_Register); \
- xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING, \
- #_Register " MMIO write cache disabled!\n"); \
- }
-
-/*
- * X-to-Mach64 mix translation table.
- */
-static CARD8 ATIMach64ALU[16] =
-{
- MIX_0, /* GXclear */
- MIX_AND, /* GXand */
- MIX_SRC_AND_NOT_DST, /* GXandReverse */
- MIX_SRC, /* GXcopy */
- MIX_NOT_SRC_AND_DST, /* GXandInverted */
- MIX_DST, /* GXnoop */
- MIX_XOR, /* GXxor */
- MIX_OR, /* GXor */
- MIX_NOR, /* GXnor */
- MIX_XNOR, /* GXequiv */
- MIX_NOT_DST, /* GXinvert */
- MIX_SRC_OR_NOT_DST, /* GXorReverse */
- MIX_NOT_SRC, /* GXcopyInverted */
- MIX_NOT_SRC_OR_DST, /* GXorInverted */
- MIX_NAND, /* GXnand */
- MIX_1 /* GXset */
-};
-
-/*
- * ATIMach64ValidateClip --
- *
- * This function ensures the current scissor settings do not interfere with
- * the current draw request.
- */
-static void
-ATIMach64ValidateClip
-(
- ATIPtr pATI,
- int sc_left,
- int sc_right,
- int sc_top,
- int sc_bottom
-)
-{
- if ((sc_left < (int)pATI->sc_left) || (sc_right > (int)pATI->sc_right))
- {
- outf(SC_LEFT_RIGHT, pATI->sc_left_right);
- pATI->sc_left = pATI->NewHW.sc_left;
- pATI->sc_right = pATI->NewHW.sc_right;
- }
-
- if ((sc_top < (int)pATI->sc_top) || (sc_bottom > (int)pATI->sc_bottom))
- {
- outf(SC_TOP_BOTTOM, pATI->sc_top_bottom);
- pATI->sc_top = pATI->NewHW.sc_top;
- pATI->sc_bottom = pATI->NewHW.sc_bottom;
- }
-}
-
-/*
- * ATIMach64Sync --
- *
- * This is called to wait for the draw engine to become idle.
- */
-void
-ATIMach64Sync
-(
- ScrnInfoPtr pScreenInfo
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
-#ifdef XF86DRI
-
- if ( pATI->directRenderingEnabled && pATI->NeedDRISync )
- {
- ATIHWPtr pATIHW = &pATI->NewHW;
-
- if (pATI->OptionMMIOCache) {
- /* "Invalidate" the MMIO cache so the cache slots get updated */
- UncacheRegister(SRC_CNTL);
- UncacheRegister(HOST_CNTL);
- UncacheRegister(PAT_CNTL);
- UncacheRegister(SC_LEFT_RIGHT);
- UncacheRegister(SC_TOP_BOTTOM);
- UncacheRegister(DP_BKGD_CLR);
- UncacheRegister(DP_FRGD_CLR);
- UncacheRegister(DP_WRITE_MASK);
- UncacheRegister(DP_MIX);
- UncacheRegister(CLR_CMP_CNTL);
- }
-
- ATIDRIWaitForIdle(pATI);
-
- outr( BUS_CNTL, pATIHW->bus_cntl );
-
- /* DRI uses GUI_TRAJ_CNTL, which is a composite of
- * src_cntl, dst_cntl, pat_cntl, and host_cntl
- */
- outf( SRC_CNTL, pATIHW->src_cntl );
- outf( DST_CNTL, pATIHW->dst_cntl );
- outf( PAT_CNTL, pATIHW->pat_cntl );
- outf( HOST_CNTL, pATIHW->host_cntl );
-
- outf( DST_OFF_PITCH, pATIHW->dst_off_pitch );
- outf( SRC_OFF_PITCH, pATIHW->src_off_pitch );
- outf( DP_SRC, pATIHW->dp_src );
- outf( DP_MIX, pATIHW->dp_mix );
- outf( DP_FRGD_CLR, pATIHW->dp_frgd_clr );
- outf( DP_WRITE_MASK, pATIHW->dp_write_mask );
-
- outf( DP_PIX_WIDTH, pATIHW->dp_pix_width );
- outf( CLR_CMP_CNTL, pATIHW->clr_cmp_cntl );
- outf( ALPHA_TST_CNTL, 0 );
- outf( Z_CNTL, 0 );
- outf( SCALE_3D_CNTL, 0 );
-
- ATIMach64WaitForFIFO(pATI, 2);
- outf( SC_LEFT_RIGHT,
- SetWord(pATIHW->sc_right, 1) | SetWord(pATIHW->sc_left, 0) );
- outf( SC_TOP_BOTTOM,
- SetWord(pATIHW->sc_bottom, 1) | SetWord(pATIHW->sc_top, 0) );
-
- if (pATI->OptionMMIOCache) {
- /* Now that the cache slots reflect the register state, re-enable MMIO cache */
- CacheRegister(SRC_CNTL);
- CacheRegister(HOST_CNTL);
- CacheRegister(PAT_CNTL);
- CacheRegister(SC_LEFT_RIGHT);
- CacheRegister(SC_TOP_BOTTOM);
- CacheRegister(DP_BKGD_CLR);
- CacheRegister(DP_FRGD_CLR);
- CacheRegister(DP_WRITE_MASK);
- CacheRegister(DP_MIX);
- CacheRegister(CLR_CMP_CNTL);
- }
-
- ATIMach64WaitForIdle(pATI);
-
- if (pATI->OptionMMIOCache && pATI->OptionTestMMIOCache) {
-
- /* Only check registers we didn't restore */
- TestRegisterCaching(PAT_REG0);
- TestRegisterCaching(PAT_REG1);
-
- TestRegisterCaching(CLR_CMP_CLR);
- TestRegisterCaching(CLR_CMP_MSK);
-
- if (pATI->Block1Base)
- {
- TestRegisterCaching(OVERLAY_Y_X_START);
- TestRegisterCaching(OVERLAY_Y_X_END);
-
- TestRegisterCaching(OVERLAY_GRAPHICS_KEY_CLR);
- TestRegisterCaching(OVERLAY_GRAPHICS_KEY_MSK);
-
- TestRegisterCaching(OVERLAY_KEY_CNTL);
-
- TestRegisterCaching(OVERLAY_SCALE_INC);
- TestRegisterCaching(OVERLAY_SCALE_CNTL);
-
- TestRegisterCaching(SCALER_HEIGHT_WIDTH);
-
- TestRegisterCaching(SCALER_TEST);
-
- TestRegisterCaching(VIDEO_FORMAT);
-
- if (pATI->Chip < ATI_CHIP_264VTB)
- {
- TestRegisterCaching(BUF0_OFFSET);
- TestRegisterCaching(BUF0_PITCH);
- TestRegisterCaching(BUF1_OFFSET);
- TestRegisterCaching(BUF1_PITCH);
- }
- else
- {
- TestRegisterCaching(SCALER_BUF0_OFFSET);
- TestRegisterCaching(SCALER_BUF1_OFFSET);
- TestRegisterCaching(SCALER_BUF_PITCH);
-
- TestRegisterCaching(OVERLAY_EXCLUSIVE_HORZ);
- TestRegisterCaching(OVERLAY_EXCLUSIVE_VERT);
-
- if (pATI->Chip >= ATI_CHIP_264GTPRO)
- {
- TestRegisterCaching(SCALER_COLOUR_CNTL);
-
- TestRegisterCaching(SCALER_H_COEFF0);
- TestRegisterCaching(SCALER_H_COEFF1);
- TestRegisterCaching(SCALER_H_COEFF2);
- TestRegisterCaching(SCALER_H_COEFF3);
- TestRegisterCaching(SCALER_H_COEFF4);
-
- TestRegisterCaching(SCALER_BUF0_OFFSET_U);
- TestRegisterCaching(SCALER_BUF0_OFFSET_V);
- TestRegisterCaching(SCALER_BUF1_OFFSET_U);
- TestRegisterCaching(SCALER_BUF1_OFFSET_V);
- }
- }
- }
- }
- pATI->NeedDRISync = FALSE;
-
- }
- else
-
-#endif /* XF86DRI */
- {
- ATIMach64WaitForIdle(pATI);
-
- if (pATI->OptionMMIOCache && pATI->OptionTestMMIOCache)
- {
- /*
- * For debugging purposes, attempt to verify that each cached register
- * should actually be cached.
- */
- TestRegisterCaching(SRC_CNTL);
-
- TestRegisterCaching(HOST_CNTL);
-
- TestRegisterCaching(PAT_REG0);
- TestRegisterCaching(PAT_REG1);
- TestRegisterCaching(PAT_CNTL);
-
- if (RegisterIsCached(SC_LEFT_RIGHT) && /* Special case */
- (CacheSlot(SC_LEFT_RIGHT) !=
- (SetWord(inm(SC_RIGHT), 1) | SetWord(inm(SC_LEFT), 0))))
- {
- UncacheRegister(SC_LEFT_RIGHT);
- xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
- "SC_LEFT_RIGHT write cache disabled!\n");
- }
-
- if (RegisterIsCached(SC_TOP_BOTTOM) && /* Special case */
- (CacheSlot(SC_TOP_BOTTOM) !=
- (SetWord(inm(SC_BOTTOM), 1) | SetWord(inm(SC_TOP), 0))))
- {
- UncacheRegister(SC_TOP_BOTTOM);
- xf86DrvMsg(pScreenInfo->scrnIndex, X_WARNING,
- "SC_TOP_BOTTOM write cache disabled!\n");
- }
-
- TestRegisterCaching(DP_BKGD_CLR);
- TestRegisterCaching(DP_FRGD_CLR);
- TestRegisterCaching(DP_WRITE_MASK);
- TestRegisterCaching(DP_MIX);
-
- TestRegisterCaching(CLR_CMP_CLR);
- TestRegisterCaching(CLR_CMP_MSK);
- TestRegisterCaching(CLR_CMP_CNTL);
-
- if (pATI->Block1Base)
- {
- TestRegisterCaching(OVERLAY_Y_X_START);
- TestRegisterCaching(OVERLAY_Y_X_END);
-
- TestRegisterCaching(OVERLAY_GRAPHICS_KEY_CLR);
- TestRegisterCaching(OVERLAY_GRAPHICS_KEY_MSK);
-
- TestRegisterCaching(OVERLAY_KEY_CNTL);
-
- TestRegisterCaching(OVERLAY_SCALE_INC);
- TestRegisterCaching(OVERLAY_SCALE_CNTL);
-
- TestRegisterCaching(SCALER_HEIGHT_WIDTH);
-
- TestRegisterCaching(SCALER_TEST);
-
- TestRegisterCaching(VIDEO_FORMAT);
-
- if (pATI->Chip < ATI_CHIP_264VTB)
- {
- TestRegisterCaching(BUF0_OFFSET);
- TestRegisterCaching(BUF0_PITCH);
- TestRegisterCaching(BUF1_OFFSET);
- TestRegisterCaching(BUF1_PITCH);
- }
- else
- {
- TestRegisterCaching(SCALER_BUF0_OFFSET);
- TestRegisterCaching(SCALER_BUF1_OFFSET);
- TestRegisterCaching(SCALER_BUF_PITCH);
-
- TestRegisterCaching(OVERLAY_EXCLUSIVE_HORZ);
- TestRegisterCaching(OVERLAY_EXCLUSIVE_VERT);
-
- if (pATI->Chip >= ATI_CHIP_264GTPRO)
- {
- TestRegisterCaching(SCALER_COLOUR_CNTL);
-
- TestRegisterCaching(SCALER_H_COEFF0);
- TestRegisterCaching(SCALER_H_COEFF1);
- TestRegisterCaching(SCALER_H_COEFF2);
- TestRegisterCaching(SCALER_H_COEFF3);
- TestRegisterCaching(SCALER_H_COEFF4);
-
- TestRegisterCaching(SCALER_BUF0_OFFSET_U);
- TestRegisterCaching(SCALER_BUF0_OFFSET_V);
- TestRegisterCaching(SCALER_BUF1_OFFSET_U);
- TestRegisterCaching(SCALER_BUF1_OFFSET_V);
- }
- }
- }
- }
- }
-
- /*
- * For VTB's and later, the first CPU read of the framebuffer will return
- * zeroes, so do it here. This appears to be due to some kind of engine
- * caching of framebuffer data I haven't found any way of disabling, or
- * otherwise circumventing. Thanks to Mark Vojkovich for the suggestion.
- */
- if (pATI->pXAAInfo)
- pATI->pXAAInfo->NeedToSync = FALSE;
-
- pATI = *(volatile ATIPtr *)pATI->pMemory;
-}
-
-/*
- * ATIMach64SetupForScreenToScreenCopy --
- *
- * This function sets up the draw engine for a series of screen-to-screen copy
- * operations.
- */
-static void
-ATIMach64SetupForScreenToScreenCopy
-(
- ScrnInfoPtr pScreenInfo,
- int xdir,
- int ydir,
- int rop,
- unsigned int planemask,
- int TransparencyColour
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 3);
- outf(DP_WRITE_MASK, planemask);
- outf(DP_SRC, DP_MONO_SRC_ALLONES |
- SetBits(SRC_BLIT, DP_FRGD_SRC) | SetBits(SRC_BKGD, DP_BKGD_SRC));
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX));
-
-#ifdef AVOID_DGA
-
- if (TransparencyColour == -1)
-
-#else /* AVOID_DGA */
-
- if (!pATI->XAAForceTransBlit && (TransparencyColour == -1))
-
-#endif /* AVOID_DGA */
-
- {
- outf(CLR_CMP_CNTL, CLR_CMP_FN_FALSE);
- }
- else
- {
- ATIMach64WaitForFIFO(pATI, 2);
- outf(CLR_CMP_CLR, TransparencyColour);
- outf(CLR_CMP_CNTL, CLR_CMP_FN_EQUAL | CLR_CMP_SRC_2D);
- }
-
- pATI->dst_cntl = 0;
-
- if (ydir > 0)
- pATI->dst_cntl |= DST_Y_DIR;
- if (xdir > 0)
- pATI->dst_cntl |= DST_X_DIR;
-
- if (pATI->XModifier == 1)
- outf(DST_CNTL, pATI->dst_cntl);
- else
- pATI->dst_cntl |= DST_24_ROT_EN;
-}
-
-/*
- * ATIMach64SubsequentScreenToScreenCopy --
- *
- * This function performs a screen-to-screen copy operation.
- */
-static void
-ATIMach64SubsequentScreenToScreenCopy
-(
- ScrnInfoPtr pScreenInfo,
- int xSrc,
- int ySrc,
- int xDst,
- int yDst,
- int w,
- int h
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- xSrc *= pATI->XModifier;
- xDst *= pATI->XModifier;
- w *= pATI->XModifier;
-
- ATIDRISync(pScreenInfo);
-
- /* Disable clipping if it gets in the way */
- ATIMach64ValidateClip(pATI, xDst, xDst + w - 1, yDst, yDst + h - 1);
-
- if (!(pATI->dst_cntl & DST_X_DIR))
- {
- xSrc += w - 1;
- xDst += w - 1;
- }
-
- if (!(pATI->dst_cntl & DST_Y_DIR))
- {
- ySrc += h - 1;
- yDst += h - 1;
- }
-
- if (pATI->XModifier != 1)
- outf(DST_CNTL, pATI->dst_cntl | SetBits((xDst / 4) % 6, DST_24_ROT));
-
- ATIMach64WaitForFIFO(pATI, 4);
- outf(SRC_Y_X, SetWord(xSrc, 1) | SetWord(ySrc, 0));
- outf(SRC_WIDTH1, w);
- outf(DST_Y_X, SetWord(xDst, 1) | SetWord(yDst, 0));
- outf(DST_HEIGHT_WIDTH, SetWord(w, 1) | SetWord(h, 0));
-}
-
-/*
- * ATIMach64SetupForSolidFill --
- *
- * This function sets up the draw engine for a series of solid fills.
- */
-static void
-ATIMach64SetupForSolidFill
-(
- ScrnInfoPtr pScreenInfo,
- int colour,
- int rop,
- unsigned int planemask
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 5);
- outf(DP_WRITE_MASK, planemask);
- outf(DP_SRC, DP_MONO_SRC_ALLONES |
- SetBits(SRC_FRGD, DP_FRGD_SRC) | SetBits(SRC_BKGD, DP_BKGD_SRC));
- outf(DP_FRGD_CLR, colour);
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX));
-
- outf(CLR_CMP_CNTL, CLR_CMP_FN_FALSE);
-
- if (pATI->XModifier == 1)
- outf(DST_CNTL, DST_X_DIR | DST_Y_DIR);
-}
-
-/*
- * ATIMach64SubsequentSolidFillRect --
- *
- * This function performs a solid rectangle fill.
- */
-static void
-ATIMach64SubsequentSolidFillRect
-(
- ScrnInfoPtr pScreenInfo,
- int x,
- int y,
- int w,
- int h
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- if (pATI->XModifier != 1)
- {
- x *= pATI->XModifier;
- w *= pATI->XModifier;
-
- outf(DST_CNTL, SetBits((x / 4) % 6, DST_24_ROT) |
- (DST_X_DIR | DST_Y_DIR | DST_24_ROT_EN));
- }
-
- /* Disable clipping if it gets in the way */
- ATIMach64ValidateClip(pATI, x, x + w - 1, y, y + h - 1);
-
- ATIMach64WaitForFIFO(pATI, 2);
- outf(DST_Y_X, SetWord(x, 1) | SetWord(y, 0));
- outf(DST_HEIGHT_WIDTH, SetWord(w, 1) | SetWord(h, 0));
-}
-
-/*
- * ATIMach64SetupForSolidLine --
- *
- * This function sets up the draw engine for a series of solid lines. It is
- * not used for 24bpp because the engine doesn't support it.
- */
-static void
-ATIMach64SetupForSolidLine
-(
- ScrnInfoPtr pScreenInfo,
- int colour,
- int rop,
- unsigned int planemask
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 5);
- outf(DP_WRITE_MASK, planemask);
- outf(DP_SRC, DP_MONO_SRC_ALLONES |
- SetBits(SRC_FRGD, DP_FRGD_SRC) | SetBits(SRC_BKGD, DP_BKGD_SRC));
- outf(DP_FRGD_CLR, colour);
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX));
-
- outf(CLR_CMP_CNTL, CLR_CMP_FN_FALSE);
-
- ATIMach64ValidateClip(pATI, pATI->NewHW.sc_left, pATI->NewHW.sc_right,
- pATI->NewHW.sc_top, pATI->NewHW.sc_bottom);
-}
-
-/*
- * ATIMach64SubsequentSolidHorVertLine --
- *
- * This is called to draw a solid horizontal or vertical line. This does a
- * one-pixel wide solid fill.
- */
-static void
-ATIMach64SubsequentSolidHorVertLine
-(
- ScrnInfoPtr pScreenInfo,
- int x,
- int y,
- int len,
- int dir
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 3);
- outf(DST_CNTL, DST_X_DIR | DST_Y_DIR);
- outf(DST_Y_X, SetWord(x, 1) | SetWord(y, 0));
-
- if (dir == DEGREES_0)
- outf(DST_HEIGHT_WIDTH, SetWord(len, 1) | SetWord(1, 0));
- else /* if (dir == DEGREES_270) */
- outf(DST_HEIGHT_WIDTH, SetWord(1, 1) | SetWord(len, 0));
-}
-
-/*
- * ATIMach64SubsequentSolidBresenhamLine --
- *
- * This function draws a line using the Bresenham line engine.
- */
-static void
-ATIMach64SubsequentSolidBresenhamLine
-(
- ScrnInfoPtr pScreenInfo,
- int x,
- int y,
- int major,
- int minor,
- int err,
- int len,
- int octant
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
- CARD32 dst_cntl = DST_LAST_PEL;
-
- if (octant & YMAJOR)
- dst_cntl |= DST_Y_MAJOR;
-
- if (!(octant & XDECREASING))
- dst_cntl |= DST_X_DIR;
-
- if (!(octant & YDECREASING))
- dst_cntl |= DST_Y_DIR;
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 6);
- outf(DST_CNTL, dst_cntl);
- outf(DST_Y_X, SetWord(x, 1) | SetWord(y, 0));
- outf(DST_BRES_ERR, minor + err);
- outf(DST_BRES_INC, minor);
- outf(DST_BRES_DEC, minor - major);
- outf(DST_BRES_LNTH, len);
-}
-
-/*
- * ATIMach64SetupForMono8x8PatternFill --
- *
- * This function sets up the draw engine for a series of 8x8 1bpp pattern
- * fills.
- */
-static void
-ATIMach64SetupForMono8x8PatternFill
-(
- ScrnInfoPtr pScreenInfo,
- int patx,
- int paty,
- int fg,
- int bg,
- int rop,
- unsigned int planemask
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 3);
- outf(DP_WRITE_MASK, planemask);
- outf(DP_SRC, DP_MONO_SRC_PATTERN |
- SetBits(SRC_FRGD, DP_FRGD_SRC) | SetBits(SRC_BKGD, DP_BKGD_SRC));
- outf(DP_FRGD_CLR, fg);
-
- if (bg == -1)
- {
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX) |
- SetBits(MIX_DST, DP_BKGD_MIX));
- }
- else
- {
- ATIMach64WaitForFIFO(pATI, 2);
- outf(DP_BKGD_CLR, bg);
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX) |
- SetBits(ATIMach64ALU[rop], DP_BKGD_MIX));
- }
-
- ATIMach64WaitForFIFO(pATI, 4);
- outf(PAT_REG0, patx);
- outf(PAT_REG1, paty);
- outf(PAT_CNTL, PAT_MONO_EN);
-
- outf(CLR_CMP_CNTL, CLR_CMP_FN_FALSE);
-
- if (pATI->XModifier == 1)
- outf(DST_CNTL, DST_X_DIR | DST_Y_DIR);
-}
-
-/*
- * ATIMach64SubsequentMono8x8PatternFillRect --
- *
- * This function performs an 8x8 1bpp pattern fill.
- */
-static void
-ATIMach64SubsequentMono8x8PatternFillRect
-(
- ScrnInfoPtr pScreenInfo,
- int patx,
- int paty,
- int x,
- int y,
- int w,
- int h
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- if (pATI->XModifier != 1)
- {
- x *= pATI->XModifier;
- w *= pATI->XModifier;
-
- outf(DST_CNTL, SetBits((x / 4) % 6, DST_24_ROT) |
- (DST_X_DIR | DST_Y_DIR | DST_24_ROT_EN));
- }
-
- /* Disable clipping if it gets in the way */
- ATIMach64ValidateClip(pATI, x, x + w - 1, y, y + h - 1);
-
- ATIMach64WaitForFIFO(pATI, 2);
- outf(DST_Y_X, SetWord(x, 1) | SetWord(y, 0));
- outf(DST_HEIGHT_WIDTH, SetWord(w, 1) | SetWord(h, 0));
-}
-
-/*
- * ATIMach64SetupForScanlineCPUToScreenColorExpandFill --
- *
- * This function sets up the engine for a series of colour expansion fills.
- */
-static void
-ATIMach64SetupForScanlineCPUToScreenColorExpandFill
-(
- ScrnInfoPtr pScreenInfo,
- int fg,
- int bg,
- int rop,
- unsigned int planemask
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- ATIMach64WaitForFIFO(pATI, 3);
- outf(DP_WRITE_MASK, planemask);
- outf(DP_SRC, DP_MONO_SRC_HOST |
- SetBits(SRC_FRGD, DP_FRGD_SRC) | SetBits(SRC_BKGD, DP_BKGD_SRC));
- outf(DP_FRGD_CLR, fg);
-
- if (bg == -1)
- {
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX) |
- SetBits(MIX_DST, DP_BKGD_MIX));
- }
- else
- {
- ATIMach64WaitForFIFO(pATI, 2);
- outf(DP_BKGD_CLR, bg);
- outf(DP_MIX, SetBits(ATIMach64ALU[rop], DP_FRGD_MIX) |
- SetBits(ATIMach64ALU[rop], DP_BKGD_MIX));
- }
-
- outf(CLR_CMP_CNTL, CLR_CMP_FN_FALSE);
-
- if (pATI->XModifier == 1)
- outf(DST_CNTL, DST_X_DIR | DST_Y_DIR);
-}
-
-/*
- * ATIMach64SubsequentScanlineCPUToScreenColorExpandFill --
- *
- * This function sets up the engine for a single colour expansion fill.
- */
-static void
-ATIMach64SubsequentScanlineCPUToScreenColorExpandFill
-(
- ScrnInfoPtr pScreenInfo,
- int x,
- int y,
- int w,
- int h,
- int skipleft
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
-
- ATIDRISync(pScreenInfo);
-
- if (pATI->XModifier != 1)
- {
- x *= pATI->XModifier;
- w *= pATI->XModifier;
- skipleft *= pATI->XModifier;
-
- outf(DST_CNTL, SetBits((x / 4) % 6, DST_24_ROT) |
- (DST_X_DIR | DST_Y_DIR | DST_24_ROT_EN));
- }
-
- pATI->ExpansionBitmapWidth = (w + 31) / 32;
-
- ATIMach64WaitForFIFO(pATI, 3);
- pATI->sc_left = x + skipleft;
- pATI->sc_right = x + w - 1;
- outf(SC_LEFT_RIGHT,
- SetWord(pATI->sc_right, 1) | SetWord(pATI->sc_left, 0));
- outf(DST_Y_X, SetWord(x, 1) | SetWord(y, 0));
- outf(DST_HEIGHT_WIDTH,
- SetWord(pATI->ExpansionBitmapWidth * 32, 1) | SetWord(h, 0));
-}
-
-/*
- * ATIMach64SubsequentColorExpandScanline --
- *
- * This function feeds a bitmap scanline to the engine for a colour expansion
- * fill. This is written to do burst transfers for those platforms that can do
- * them, and to improve CPU/engine concurrency.
- */
-static void
-ATIMach64SubsequentColorExpandScanline
-(
- ScrnInfoPtr pScreenInfo,
- int iBuffer
-)
-{
- ATIPtr pATI = ATIPTR(pScreenInfo);
- CARD32 *pBitmapData = pATI->ExpansionBitmapScanlinePtr[iBuffer];
- int w = pATI->ExpansionBitmapWidth;
- int nDWord;
-
- ATIDRISync(pScreenInfo);
-
- while (w > 0)
- {
- /*
- * Transfers are done in chunks of up to 64 bytes in length (32 on
- * earlier controllers).
- */
- nDWord = w;
- if (nDWord > pATI->nHostFIFOEntries)
- nDWord = pATI->nHostFIFOEntries;
-
- /* Make enough FIFO slots available */
- ATIMach64WaitForFIFO(pATI, nDWord);
-
- /*
- * Always start transfers on a chuck-sized boundary. Note that
- * HOST_DATA_0 is actually on a 512-byte boundary, but *pBitmapData can
- * only be guaranteed to be on a chunk-sized boundary.
- *
- * Transfer current chunk. With any luck, the compiler won't mangle
- * this too badly...
- */
-
-# if defined(ATIMove32)
-
- {
- ATIMove32(pATI->pHOST_DATA, pBitmapData, nDWord);
- }
-
-# else
-
- {
- volatile CARD32 *pDst;
- CARD32 *pSrc;
- unsigned int iDWord;
-
- iDWord = 16 - nDWord;
- pDst = (volatile CARD32 *)pATI->pHOST_DATA - iDWord;
- pSrc = pBitmapData - iDWord;
-
- switch (iDWord)
- {
- case 0: MMIO_MOVE32(pDst + 0, 0, *(pSrc + 0));
- case 1: MMIO_MOVE32(pDst + 1, 0, *(pSrc + 1));
- case 2: MMIO_MOVE32(pDst + 2, 0, *(pSrc + 2));
- case 3: MMIO_MOVE32(pDst + 3, 0, *(pSrc + 3));
- case 4: MMIO_MOVE32(pDst + 4, 0, *(pSrc + 4));
- case 5: MMIO_MOVE32(pDst + 5, 0, *(pSrc + 5));
- case 6: MMIO_MOVE32(pDst + 6, 0, *(pSrc + 6));
- case 7: MMIO_MOVE32(pDst + 7, 0, *(pSrc + 7));
- case 8: MMIO_MOVE32(pDst + 8, 0, *(pSrc + 8));
- case 9: MMIO_MOVE32(pDst + 9, 0, *(pSrc + 9));
- case 10: MMIO_MOVE32(pDst + 10, 0, *(pSrc + 10));
- case 11: MMIO_MOVE32(pDst + 11, 0, *(pSrc + 11));
- case 12: MMIO_MOVE32(pDst + 12, 0, *(pSrc + 12));
- case 13: MMIO_MOVE32(pDst + 13, 0, *(pSrc + 13));
- case 14: MMIO_MOVE32(pDst + 14, 0, *(pSrc + 14));
- case 15: MMIO_MOVE32(pDst + 15, 0, *(pSrc + 15));
-
- default: /* Muffle compiler */
- break;
- }
- }
-
-# endif
-
- /* Step to next chunk */
- pBitmapData += nDWord;
- w -= nDWord;
- pATI->nAvailableFIFOEntries -= nDWord;
- }
-
- pATI->EngineIsBusy = TRUE;
-}
-
-/*
- * ATIMach64AccelInit --
- *
- * This function fills in structure fields needed for acceleration on Mach64
- * variants.
- */
-int
-ATIMach64AccelInit
-(
- ATIPtr pATI,
- XAAInfoRecPtr pXAAInfo
-)
-{
- /* This doesn't seem quite right... */
- if (pATI->XModifier == 1)
- {
- pXAAInfo->Flags = PIXMAP_CACHE | OFFSCREEN_PIXMAPS;
-
-#ifndef AVOID_CPIO
-
- if (!pATI->BankInfo.BankSize)
-
-#endif /* AVOID_CPIO */
-
- {
- pXAAInfo->Flags |= LINEAR_FRAMEBUFFER;
- }
- }
-
- /* Sync */
- pXAAInfo->Sync = ATIMach64Sync;
-
- /* Screen-to-screen copy */
- pXAAInfo->SetupForScreenToScreenCopy = ATIMach64SetupForScreenToScreenCopy;
- pXAAInfo->SubsequentScreenToScreenCopy =
- ATIMach64SubsequentScreenToScreenCopy;
-
- /* Solid fills */
- pXAAInfo->SetupForSolidFill = ATIMach64SetupForSolidFill;
- pXAAInfo->SubsequentSolidFillRect = ATIMach64SubsequentSolidFillRect;
-
- /* 8x8 mono pattern fills */
- pXAAInfo->Mono8x8PatternFillFlags =
-
-#if X_BYTE_ORDER != X_LITTLE_ENDIAN
-
- BIT_ORDER_IN_BYTE_MSBFIRST |
-
-#endif /* X_BYTE_ORDER */
-
- HARDWARE_PATTERN_PROGRAMMED_BITS | HARDWARE_PATTERN_SCREEN_ORIGIN;
- pXAAInfo->SetupForMono8x8PatternFill = ATIMach64SetupForMono8x8PatternFill;
- pXAAInfo->SubsequentMono8x8PatternFillRect =
- ATIMach64SubsequentMono8x8PatternFillRect;
-
- /*
- * Use scanline version of colour expansion, not only for the non-ix86
- * case, but also to avoid PCI retries.
- */
- pXAAInfo->ScanlineCPUToScreenColorExpandFillFlags =
- LEFT_EDGE_CLIPPING | LEFT_EDGE_CLIPPING_NEGATIVE_X |
- CPU_TRANSFER_PAD_DWORD | SCANLINE_PAD_DWORD;
- if (pATI->XModifier != 1)
- pXAAInfo->ScanlineCPUToScreenColorExpandFillFlags |= TRIPLE_BITS_24BPP;
- pXAAInfo->NumScanlineColorExpandBuffers = 1;
-
- /* Align bitmap data on a 64-byte boundary */
- pATI->ExpansionBitmapWidth = /* DWord size in bits */
- ((pATI->displayWidth * pATI->XModifier) + 31) & ~31U;
- pATI->ExpansionBitmapScanlinePtr[1] =
- (CARD32 *)xnfalloc((pATI->ExpansionBitmapWidth >> 3) + 63);
- pATI->ExpansionBitmapScanlinePtr[0] =
- (pointer)(((unsigned long)pATI->ExpansionBitmapScanlinePtr[1] + 63) &
- ~63UL);
- pXAAInfo->ScanlineColorExpandBuffers =
- (CARD8 **)pATI->ExpansionBitmapScanlinePtr;
- pXAAInfo->SetupForScanlineCPUToScreenColorExpandFill =
- ATIMach64SetupForScanlineCPUToScreenColorExpandFill;
- pXAAInfo->SubsequentScanlineCPUToScreenColorExpandFill =
- ATIMach64SubsequentScanlineCPUToScreenColorExpandFill;
- pXAAInfo->SubsequentColorExpandScanline =
- ATIMach64SubsequentColorExpandScanline;
-
- /* The engine does not support the following primitives for 24bpp */
- if (pATI->XModifier != 1)
- return ATIMach64MaxY;
-
- /* Solid lines */
- pXAAInfo->SetupForSolidLine = ATIMach64SetupForSolidLine;
- pXAAInfo->SubsequentSolidHorVertLine = ATIMach64SubsequentSolidHorVertLine;
- pXAAInfo->SubsequentSolidBresenhamLine =
- ATIMach64SubsequentSolidBresenhamLine;
-
- return ATIMach64MaxY;
-}