diff options
| author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
| commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
| tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/vgahw | |
| download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip | |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xfree86/vgahw')
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/Makefile.am | 9 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/Makefile.in | 702 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaCmap.c | 302 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaHW.c | 2004 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaHW.h | 236 | ||||
| -rw-r--r-- | xorg-server/hw/xfree86/vgahw/vgaHWmodule.c | 24 |
6 files changed, 3277 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/vgahw/Makefile.am b/xorg-server/hw/xfree86/vgahw/Makefile.am new file mode 100644 index 000000000..f48e46a11 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/Makefile.am @@ -0,0 +1,9 @@ +module_LTLIBRARIES = libvgahw.la +libvgahw_la_LDFLAGS = -avoid-version +libvgahw_la_SOURCES = vgaHW.c vgaHWmodule.c +INCLUDES = $(XORG_INCS) -I$(srcdir)/../ddc -I$(srcdir)/../i2c +AM_CFLAGS = $(DIX_CFLAGS) $(XORG_CFLAGS) + +sdk_HEADERS = vgaHW.h + +EXTRA_DIST = vgaCmap.c diff --git a/xorg-server/hw/xfree86/vgahw/Makefile.in b/xorg-server/hw/xfree86/vgahw/Makefile.in new file mode 100644 index 000000000..ab31d5354 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/Makefile.in @@ -0,0 +1,702 @@ +# Makefile.in generated by automake 1.10.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + + +VPATH = @srcdir@ +pkgdatadir = $(datadir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = hw/xfree86/vgahw +DIST_COMMON = $(sdk_HEADERS) $(srcdir)/Makefile.am \ + $(srcdir)/Makefile.in +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/acinclude.m4 \ + $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/include/do-not-use-config.h \ + $(top_builddir)/include/xorg-server.h \ + $(top_builddir)/include/dix-config.h \ + $(top_builddir)/include/xgl-config.h \ + $(top_builddir)/include/xorg-config.h \ + $(top_builddir)/include/xkb-config.h \ + $(top_builddir)/include/xwin-config.h \ + $(top_builddir)/include/kdrive-config.h +CONFIG_CLEAN_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = `echo $$p | sed -e 's|^.*/||'`; +am__installdirs = "$(DESTDIR)$(moduledir)" "$(DESTDIR)$(sdkdir)" +moduleLTLIBRARIES_INSTALL = $(INSTALL) +LTLIBRARIES = $(module_LTLIBRARIES) +libvgahw_la_LIBADD = +am_libvgahw_la_OBJECTS = vgaHW.lo vgaHWmodule.lo +libvgahw_la_OBJECTS = $(am_libvgahw_la_OBJECTS) +libvgahw_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \ + $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \ + $(libvgahw_la_LDFLAGS) $(LDFLAGS) -o $@ +DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)/include +depcomp = $(SHELL) $(top_srcdir)/depcomp +am__depfiles_maybe = depfiles +COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \ + $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +LTCOMPILE = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) \ + $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) +CCLD = $(CC) +LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \ + --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \ + $(LDFLAGS) -o $@ +SOURCES = $(libvgahw_la_SOURCES) +DIST_SOURCES = $(libvgahw_la_SOURCES) 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Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/xorg-server/hw/xfree86/vgahw/vgaCmap.c b/xorg-server/hw/xfree86/vgahw/vgaCmap.c new file mode 100644 index 000000000..44043c6c7 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/vgaCmap.c @@ -0,0 +1,302 @@ +/* + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + * + * 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 Thomas Roell not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Thomas Roell makes no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THOMAS ROELL 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. + * + */ + + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <X11/X.h> +#include <X11/Xproto.h> +#include "windowstr.h" +#include "compiler.h" +#include "mipointer.h" +#include "micmap.h" + +#include "xf86.h" +#include "vgaHW.h" + +#define _XF86DGA_SERVER_ +#include <X11/extensions/xf86dgastr.h> +#include "dgaproc.h" + + +#define NOMAPYET (ColormapPtr) 0 + +int +vgaListInstalledColormaps(pScreen, pmaps) + ScreenPtr pScreen; + Colormap *pmaps; +{ + /* By the time we are processing requests, we can guarantee that there + * is always a colormap installed */ + + *pmaps = miInstalledMaps[pScreen->myNum]->mid; + return(1); +} + +int +vgaGetInstalledColormaps(pScreen, pmaps) + ScreenPtr pScreen; + ColormapPtr *pmaps; +{ + /* By the time we are processing requests, we can guarantee that there + * is always a colormap installed */ + + *pmaps = miInstalledMaps[pScreen->myNum]; + return(1); +} + +int vgaCheckColorMap(ColormapPtr pmap) +{ + return (pmap != miInstalledMaps[pmap->pScreen->myNum]); +} + + +void +vgaStoreColors(pmap, ndef, pdefs) + ColormapPtr pmap; + int ndef; + xColorItem *pdefs; +{ + int i; + unsigned char *cmap, *tmp = NULL; + xColorItem directDefs[256]; + Bool new_overscan = FALSE; + Bool writeColormap; + + /* This can get called before the ScrnInfoRec is installed so we + can't rely on getting it with XF86SCRNINFO() */ + int scrnIndex = pmap->pScreen->myNum; + ScrnInfoPtr scrninfp = xf86Screens[scrnIndex]; + vgaHWPtr hwp = VGAHWPTR(scrninfp); + + unsigned char overscan = hwp->ModeReg.Attribute[OVERSCAN]; + unsigned char tmp_overscan = 0; + + if (vgaCheckColorMap(pmap)) + return; + + if ((pmap->pVisual->class | DynamicClass) == DirectColor) + { + ndef = miExpandDirectColors (pmap, ndef, pdefs, directDefs); + pdefs = directDefs; + } + + writeColormap = scrninfp->vtSema; + if (DGAAvailable(scrnIndex)) + { + writeColormap = writeColormap || + (DGAGetDirectMode(scrnIndex) && + !(DGAGetFlags(scrnIndex) & XF86DGADirectColormap)) || + (DGAGetFlags(scrnIndex) & XF86DGAHasColormap); + } + + if (writeColormap) + hwp->enablePalette(hwp); + + for(i = 0; i < ndef; i++) + { + if (pdefs[i].pixel == overscan) + { + new_overscan = TRUE; + } + cmap = &(hwp->ModeReg.DAC[pdefs[i].pixel*3]); + if (scrninfp->rgbBits == 8) { + cmap[0] = pdefs[i].red >> 8; + cmap[1] = pdefs[i].green >> 8; + cmap[2] = pdefs[i].blue >> 8; + } + else { + cmap[0] = pdefs[i].red >> 10; + cmap[1] = pdefs[i].green >> 10; + cmap[2] = pdefs[i].blue >> 10; + } +#if 0 + if (clgd6225Lcd) + { + /* The LCD doesn't like white */ + if (cmap[0] == 63) cmap[0]= 62; + if (cmap[1] == 63) cmap[1]= 62; + if (cmap[2] == 63) cmap[2]= 62; + } +#endif + + if (writeColormap) + { + if (hwp->ShowOverscan && i == 255) + continue; + hwp->writeDacWriteAddr(hwp, pdefs[i].pixel); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[0]); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[1]); + DACDelay(hwp); + hwp->writeDacData(hwp, cmap[2]); + DACDelay(hwp); + } + } + if (new_overscan && !hwp->ShowOverscan) + { + new_overscan = FALSE; + for(i = 0; i < ndef; i++) + { + if (pdefs[i].pixel == overscan) + { + if ((pdefs[i].red != 0) || + (pdefs[i].green != 0) || + (pdefs[i].blue != 0)) + { + new_overscan = TRUE; + tmp_overscan = overscan; + tmp = &(hwp->ModeReg.DAC[pdefs[i].pixel*3]); + } + break; + } + } + if (new_overscan) + { + /* + * Find a black pixel, or the nearest match. + */ + for (i=255; i >= 0; i--) + { + cmap = &(hwp->ModeReg.DAC[i*3]); + if ((cmap[0] == 0) && (cmap[1] == 0) && (cmap[2] == 0)) + { + overscan = i; + break; + } + else + { + if ((cmap[0] < tmp[0]) && + (cmap[1] < tmp[1]) && (cmap[2] < tmp[2])) + { + tmp = cmap; + tmp_overscan = i; + } + } + } + if (i < 0) + { + overscan = tmp_overscan; + } + hwp->ModeReg.Attribute[OVERSCAN] = overscan; + if (writeColormap) + { + hwp->writeAttr(hwp, OVERSCAN, overscan); + } + } + } + + if (writeColormap) + hwp->disablePalette(hwp); +} + + +void +vgaInstallColormap(pmap) + ColormapPtr pmap; +{ + ColormapPtr oldmap = miInstalledMaps[pmap->pScreen->myNum]; + int entries; + Pixel * ppix; + xrgb * prgb; + xColorItem *defs; + int i; + + + if (pmap == oldmap) + return; + + if ((pmap->pVisual->class | DynamicClass) == DirectColor) + entries = (pmap->pVisual->redMask | + pmap->pVisual->greenMask | + pmap->pVisual->blueMask) + 1; + else + entries = pmap->pVisual->ColormapEntries; + + ppix = (Pixel *)xalloc( entries * sizeof(Pixel)); + prgb = (xrgb *)xalloc( entries * sizeof(xrgb)); + defs = (xColorItem *)xalloc(entries * sizeof(xColorItem)); + + if ( oldmap != NOMAPYET) + WalkTree( pmap->pScreen, TellLostMap, &oldmap->mid); + + miInstalledMaps[pmap->pScreen->myNum] = pmap; + + for ( i=0; i<entries; i++) ppix[i] = i; + + QueryColors( pmap, entries, ppix, prgb); + + for ( i=0; i<entries; i++) /* convert xrgbs to xColorItems */ + { + defs[i].pixel = ppix[i]; + defs[i].red = prgb[i].red; + defs[i].green = prgb[i].green; + defs[i].blue = prgb[i].blue; + defs[i].flags = DoRed|DoGreen|DoBlue; + } + pmap->pScreen->StoreColors(pmap, entries, defs); + + WalkTree(pmap->pScreen, TellGainedMap, &pmap->mid); + + xfree(ppix); + xfree(prgb); + xfree(defs); +} + + +void +vgaUninstallColormap(pmap) + ColormapPtr pmap; +{ + + ColormapPtr defColormap; + + if ( pmap != miInstalledMaps[pmap->pScreen->myNum] ) + return; + + defColormap = (ColormapPtr) LookupIDByType( pmap->pScreen->defColormap, + RT_COLORMAP); + + if (defColormap == miInstalledMaps[pmap->pScreen->myNum]) + return; + + (*pmap->pScreen->InstallColormap) (defColormap); +} + + +void +vgaHandleColormaps(ScreenPtr pScreen, ScrnInfoPtr scrnp) +{ + if (scrnp->bitsPerPixel > 1) { + if (scrnp->bitsPerPixel <= 8) { /* For 8bpp SVGA and VGA16 */ + pScreen->InstallColormap = vgaInstallColormap; + pScreen->UninstallColormap = vgaUninstallColormap; + pScreen->ListInstalledColormaps = vgaListInstalledColormaps; + pScreen->StoreColors = vgaStoreColors; + } + } +} + diff --git a/xorg-server/hw/xfree86/vgahw/vgaHW.c b/xorg-server/hw/xfree86/vgahw/vgaHW.c new file mode 100644 index 000000000..ccbd19574 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/vgaHW.c @@ -0,0 +1,2004 @@ + +/* + * + * Copyright 1991-1999 by The XFree86 Project, Inc. + * + * Loosely based on code bearing the following copyright: + * + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + * + */ + +#define _NEED_SYSI86 + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +#include <X11/X.h> +#include "misc.h" + +#include "xf86.h" +#include "xf86_OSproc.h" +#include "vgaHW.h" + +#include "compiler.h" + +#include "xf86cmap.h" + +#include "Pci.h" + +#ifndef SAVE_FONT1 +#define SAVE_FONT1 1 +#endif + +/* + * These used to be OS-specific, which made this module have an undesirable + * OS dependency. Define them by default for all platforms. + */ +#ifndef NEED_SAVED_CMAP +#define NEED_SAVED_CMAP +#endif +#ifndef SAVE_TEXT +#define SAVE_TEXT 1 +#endif +#ifndef SAVE_FONT2 +#define SAVE_FONT2 1 +#endif + +/* bytes per plane to save for text */ +#define TEXT_AMOUNT 16384 + +/* bytes per plane to save for font data */ +#define FONT_AMOUNT (8*8192) + +#if 0 +/* Override all of these for now */ +#undef SAVE_FONT1 +#define SAVE_FONT1 1 +#undef SAVE_FONT2 +#define SAVE_FONT2 1 +#undef SAVE_TEST +#define SAVE_TEST 1 +#undef FONT_AMOUNT +#define FONT_AMOUNT 65536 +#undef TEXT_AMOUNT +#define TEXT_AMOUNT 65536 +#endif + +/* DAC indices for white and black */ +#define WHITE_VALUE 0x3F +#define BLACK_VALUE 0x00 +#define OVERSCAN_VALUE 0x01 + + +/* Use a private definition of this here */ +#undef VGAHWPTR +#define VGAHWPTRLVAL(p) (p)->privates[vgaHWPrivateIndex].ptr +#define VGAHWPTR(p) ((vgaHWPtr)(VGAHWPTRLVAL(p))) + +static int vgaHWPrivateIndex = -1; + +#define DAC_TEST_MASK 0x3F + +#ifdef NEED_SAVED_CMAP +/* This default colourmap is used only when it can't be read from the VGA */ + +static CARD8 defaultDAC[768] = +{ + 0, 0, 0, 0, 0, 42, 0, 42, 0, 0, 42, 42, + 42, 0, 0, 42, 0, 42, 42, 21, 0, 42, 42, 42, + 21, 21, 21, 21, 21, 63, 21, 63, 21, 21, 63, 63, + 63, 21, 21, 63, 21, 63, 63, 63, 21, 63, 63, 63, + 0, 0, 0, 5, 5, 5, 8, 8, 8, 11, 11, 11, + 14, 14, 14, 17, 17, 17, 20, 20, 20, 24, 24, 24, + 28, 28, 28, 32, 32, 32, 36, 36, 36, 40, 40, 40, + 45, 45, 45, 50, 50, 50, 56, 56, 56, 63, 63, 63, + 0, 0, 63, 16, 0, 63, 31, 0, 63, 47, 0, 63, + 63, 0, 63, 63, 0, 47, 63, 0, 31, 63, 0, 16, + 63, 0, 0, 63, 16, 0, 63, 31, 0, 63, 47, 0, + 63, 63, 0, 47, 63, 0, 31, 63, 0, 16, 63, 0, + 0, 63, 0, 0, 63, 16, 0, 63, 31, 0, 63, 47, + 0, 63, 63, 0, 47, 63, 0, 31, 63, 0, 16, 63, + 31, 31, 63, 39, 31, 63, 47, 31, 63, 55, 31, 63, + 63, 31, 63, 63, 31, 55, 63, 31, 47, 63, 31, 39, + 63, 31, 31, 63, 39, 31, 63, 47, 31, 63, 55, 31, + 63, 63, 31, 55, 63, 31, 47, 63, 31, 39, 63, 31, + 31, 63, 31, 31, 63, 39, 31, 63, 47, 31, 63, 55, + 31, 63, 63, 31, 55, 63, 31, 47, 63, 31, 39, 63, + 45, 45, 63, 49, 45, 63, 54, 45, 63, 58, 45, 63, + 63, 45, 63, 63, 45, 58, 63, 45, 54, 63, 45, 49, + 63, 45, 45, 63, 49, 45, 63, 54, 45, 63, 58, 45, + 63, 63, 45, 58, 63, 45, 54, 63, 45, 49, 63, 45, + 45, 63, 45, 45, 63, 49, 45, 63, 54, 45, 63, 58, + 45, 63, 63, 45, 58, 63, 45, 54, 63, 45, 49, 63, + 0, 0, 28, 7, 0, 28, 14, 0, 28, 21, 0, 28, + 28, 0, 28, 28, 0, 21, 28, 0, 14, 28, 0, 7, + 28, 0, 0, 28, 7, 0, 28, 14, 0, 28, 21, 0, + 28, 28, 0, 21, 28, 0, 14, 28, 0, 7, 28, 0, + 0, 28, 0, 0, 28, 7, 0, 28, 14, 0, 28, 21, + 0, 28, 28, 0, 21, 28, 0, 14, 28, 0, 7, 28, + 14, 14, 28, 17, 14, 28, 21, 14, 28, 24, 14, 28, + 28, 14, 28, 28, 14, 24, 28, 14, 21, 28, 14, 17, + 28, 14, 14, 28, 17, 14, 28, 21, 14, 28, 24, 14, + 28, 28, 14, 24, 28, 14, 21, 28, 14, 17, 28, 14, + 14, 28, 14, 14, 28, 17, 14, 28, 21, 14, 28, 24, + 14, 28, 28, 14, 24, 28, 14, 21, 28, 14, 17, 28, + 20, 20, 28, 22, 20, 28, 24, 20, 28, 26, 20, 28, + 28, 20, 28, 28, 20, 26, 28, 20, 24, 28, 20, 22, + 28, 20, 20, 28, 22, 20, 28, 24, 20, 28, 26, 20, + 28, 28, 20, 26, 28, 20, 24, 28, 20, 22, 28, 20, + 20, 28, 20, 20, 28, 22, 20, 28, 24, 20, 28, 26, + 20, 28, 28, 20, 26, 28, 20, 24, 28, 20, 22, 28, + 0, 0, 16, 4, 0, 16, 8, 0, 16, 12, 0, 16, + 16, 0, 16, 16, 0, 12, 16, 0, 8, 16, 0, 4, + 16, 0, 0, 16, 4, 0, 16, 8, 0, 16, 12, 0, + 16, 16, 0, 12, 16, 0, 8, 16, 0, 4, 16, 0, + 0, 16, 0, 0, 16, 4, 0, 16, 8, 0, 16, 12, + 0, 16, 16, 0, 12, 16, 0, 8, 16, 0, 4, 16, + 8, 8, 16, 10, 8, 16, 12, 8, 16, 14, 8, 16, + 16, 8, 16, 16, 8, 14, 16, 8, 12, 16, 8, 10, + 16, 8, 8, 16, 10, 8, 16, 12, 8, 16, 14, 8, + 16, 16, 8, 14, 16, 8, 12, 16, 8, 10, 16, 8, + 8, 16, 8, 8, 16, 10, 8, 16, 12, 8, 16, 14, + 8, 16, 16, 8, 14, 16, 8, 12, 16, 8, 10, 16, + 11, 11, 16, 12, 11, 16, 13, 11, 16, 15, 11, 16, + 16, 11, 16, 16, 11, 15, 16, 11, 13, 16, 11, 12, + 16, 11, 11, 16, 12, 11, 16, 13, 11, 16, 15, 11, + 16, 16, 11, 15, 16, 11, 13, 16, 11, 12, 16, 11, + 11, 16, 11, 11, 16, 12, 11, 16, 13, 11, 16, 15, + 11, 16, 16, 11, 15, 16, 11, 13, 16, 11, 12, 16, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, +}; +#endif /* NEED_SAVED_CMAP */ + +/* + * Standard VGA versions of the register access functions. + */ +static void +stdWriteCrtc(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + outb(hwp->IOBase + hwp->PIOOffset + VGA_CRTC_INDEX_OFFSET, index); + outb(hwp->IOBase + hwp->PIOOffset + VGA_CRTC_DATA_OFFSET, value); +} + +static CARD8 +stdReadCrtc(vgaHWPtr hwp, CARD8 index) +{ + outb(hwp->IOBase + hwp->PIOOffset + VGA_CRTC_INDEX_OFFSET, index); + return inb(hwp->IOBase + hwp->PIOOffset + VGA_CRTC_DATA_OFFSET); +} + +static void +stdWriteGr(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_GRAPH_INDEX, index); + outb(hwp->PIOOffset + VGA_GRAPH_DATA, value); +} + +static CARD8 +stdReadGr(vgaHWPtr hwp, CARD8 index) +{ + outb(hwp->PIOOffset + VGA_GRAPH_INDEX, index); + return inb(hwp->PIOOffset + VGA_GRAPH_DATA); +} + +static void +stdWriteSeq(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_SEQ_INDEX, index); + outb(hwp->PIOOffset + VGA_SEQ_DATA, value); +} + +static CARD8 +stdReadSeq(vgaHWPtr hwp, CARD8 index) +{ + outb(hwp->PIOOffset + VGA_SEQ_INDEX, index); + return inb(hwp->PIOOffset + VGA_SEQ_DATA); +} + +static CARD8 +stdReadST00(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_IN_STAT_0); +} + +static CARD8 +stdReadST01(vgaHWPtr hwp) +{ + return inb(hwp->IOBase + hwp->PIOOffset + VGA_IN_STAT_1_OFFSET); +} + +static CARD8 +stdReadFCR(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_FEATURE_R); +} + +static void +stdWriteFCR(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->IOBase + hwp->PIOOffset + VGA_FEATURE_W_OFFSET,value); +} + +static void +stdWriteAttr(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + if (hwp->paletteEnabled) + index &= ~0x20; + else + index |= 0x20; + + (void) inb(hwp->IOBase + hwp->PIOOffset + VGA_IN_STAT_1_OFFSET); + outb(hwp->PIOOffset + VGA_ATTR_INDEX, index); + outb(hwp->PIOOffset + VGA_ATTR_DATA_W, value); +} + +static CARD8 +stdReadAttr(vgaHWPtr hwp, CARD8 index) +{ + if (hwp->paletteEnabled) + index &= ~0x20; + else + index |= 0x20; + + (void) inb(hwp->IOBase + hwp->PIOOffset + VGA_IN_STAT_1_OFFSET); + outb(hwp->PIOOffset + VGA_ATTR_INDEX, index); + return inb(hwp->PIOOffset + VGA_ATTR_DATA_R); +} + +static void +stdWriteMiscOut(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_MISC_OUT_W, value); +} + +static CARD8 +stdReadMiscOut(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_MISC_OUT_R); +} + +static void +stdEnablePalette(vgaHWPtr hwp) +{ + (void) inb(hwp->IOBase + hwp->PIOOffset + VGA_IN_STAT_1_OFFSET); + outb(hwp->PIOOffset + VGA_ATTR_INDEX, 0x00); + hwp->paletteEnabled = TRUE; +} + +static void +stdDisablePalette(vgaHWPtr hwp) +{ + (void) inb(hwp->IOBase + hwp->PIOOffset + VGA_IN_STAT_1_OFFSET); + outb(hwp->PIOOffset + VGA_ATTR_INDEX, 0x20); + hwp->paletteEnabled = FALSE; +} + +static void +stdWriteDacMask(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_DAC_MASK, value); +} + +static CARD8 +stdReadDacMask(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_DAC_MASK); +} + +static void +stdWriteDacReadAddr(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_DAC_READ_ADDR, value); +} + +static void +stdWriteDacWriteAddr(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_DAC_WRITE_ADDR, value); +} + +static void +stdWriteDacData(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_DAC_DATA, value); +} + +static CARD8 +stdReadDacData(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_DAC_DATA); +} + +static CARD8 +stdReadEnable(vgaHWPtr hwp) +{ + return inb(hwp->PIOOffset + VGA_ENABLE); +} + +static void +stdWriteEnable(vgaHWPtr hwp, CARD8 value) +{ + outb(hwp->PIOOffset + VGA_ENABLE, value); +} + +void +vgaHWSetStdFuncs(vgaHWPtr hwp) +{ + hwp->writeCrtc = stdWriteCrtc; + hwp->readCrtc = stdReadCrtc; + hwp->writeGr = stdWriteGr; + hwp->readGr = stdReadGr; + hwp->readST00 = stdReadST00; + hwp->readST01 = stdReadST01; + hwp->readFCR = stdReadFCR; + hwp->writeFCR = stdWriteFCR; + hwp->writeAttr = stdWriteAttr; + hwp->readAttr = stdReadAttr; + hwp->writeSeq = stdWriteSeq; + hwp->readSeq = stdReadSeq; + hwp->writeMiscOut = stdWriteMiscOut; + hwp->readMiscOut = stdReadMiscOut; + hwp->enablePalette = stdEnablePalette; + hwp->disablePalette = stdDisablePalette; + hwp->writeDacMask = stdWriteDacMask; + hwp->readDacMask = stdReadDacMask; + hwp->writeDacWriteAddr = stdWriteDacWriteAddr; + hwp->writeDacReadAddr = stdWriteDacReadAddr; + hwp->writeDacData = stdWriteDacData; + hwp->readDacData = stdReadDacData; + hwp->PIOOffset = 0; + hwp->readEnable = stdReadEnable; + hwp->writeEnable = stdWriteEnable; +} + +/* + * MMIO versions of the register access functions. These require + * hwp->MemBase to be set in such a way that when the standard VGA port + * adderss is added the correct memory address results. + */ + +#define minb(p) MMIO_IN8(hwp->MMIOBase, (hwp->MMIOOffset + (p))) +#define moutb(p,v) MMIO_OUT8(hwp->MMIOBase, (hwp->MMIOOffset + (p)),(v)) + +static void +mmioWriteCrtc(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + moutb(hwp->IOBase + VGA_CRTC_INDEX_OFFSET, index); + moutb(hwp->IOBase + VGA_CRTC_DATA_OFFSET, value); +} + +static CARD8 +mmioReadCrtc(vgaHWPtr hwp, CARD8 index) +{ + moutb(hwp->IOBase + VGA_CRTC_INDEX_OFFSET, index); + return minb(hwp->IOBase + VGA_CRTC_DATA_OFFSET); +} + +static void +mmioWriteGr(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + moutb(VGA_GRAPH_INDEX, index); + moutb(VGA_GRAPH_DATA, value); +} + +static CARD8 +mmioReadGr(vgaHWPtr hwp, CARD8 index) +{ + moutb(VGA_GRAPH_INDEX, index); + return minb(VGA_GRAPH_DATA); +} + +static void +mmioWriteSeq(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + moutb(VGA_SEQ_INDEX, index); + moutb(VGA_SEQ_DATA, value); +} + +static CARD8 +mmioReadSeq(vgaHWPtr hwp, CARD8 index) +{ + moutb(VGA_SEQ_INDEX, index); + return minb(VGA_SEQ_DATA); +} + +static CARD8 +mmioReadST00(vgaHWPtr hwp) +{ + return minb(VGA_IN_STAT_0); +} + +static CARD8 +mmioReadST01(vgaHWPtr hwp) +{ + return minb(hwp->IOBase + VGA_IN_STAT_1_OFFSET); +} + +static CARD8 +mmioReadFCR(vgaHWPtr hwp) +{ + return minb(VGA_FEATURE_R); +} + +static void +mmioWriteFCR(vgaHWPtr hwp, CARD8 value) +{ + moutb(hwp->IOBase + VGA_FEATURE_W_OFFSET,value); +} + +static void +mmioWriteAttr(vgaHWPtr hwp, CARD8 index, CARD8 value) +{ + if (hwp->paletteEnabled) + index &= ~0x20; + else + index |= 0x20; + + (void) minb(hwp->IOBase + VGA_IN_STAT_1_OFFSET); + moutb(VGA_ATTR_INDEX, index); + moutb(VGA_ATTR_DATA_W, value); +} + +static CARD8 +mmioReadAttr(vgaHWPtr hwp, CARD8 index) +{ + if (hwp->paletteEnabled) + index &= ~0x20; + else + index |= 0x20; + + (void) minb(hwp->IOBase + VGA_IN_STAT_1_OFFSET); + moutb(VGA_ATTR_INDEX, index); + return minb(VGA_ATTR_DATA_R); +} + +static void +mmioWriteMiscOut(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_MISC_OUT_W, value); +} + +static CARD8 +mmioReadMiscOut(vgaHWPtr hwp) +{ + return minb(VGA_MISC_OUT_R); +} + +static void +mmioEnablePalette(vgaHWPtr hwp) +{ + (void) minb(hwp->IOBase + VGA_IN_STAT_1_OFFSET); + moutb(VGA_ATTR_INDEX, 0x00); + hwp->paletteEnabled = TRUE; +} + +static void +mmioDisablePalette(vgaHWPtr hwp) +{ + (void) minb(hwp->IOBase + VGA_IN_STAT_1_OFFSET); + moutb(VGA_ATTR_INDEX, 0x20); + hwp->paletteEnabled = FALSE; +} + +static void +mmioWriteDacMask(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_DAC_MASK, value); +} + +static CARD8 +mmioReadDacMask(vgaHWPtr hwp) +{ + return minb(VGA_DAC_MASK); +} + +static void +mmioWriteDacReadAddr(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_DAC_READ_ADDR, value); +} + +static void +mmioWriteDacWriteAddr(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_DAC_WRITE_ADDR, value); +} + +static void +mmioWriteDacData(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_DAC_DATA, value); +} + +static CARD8 +mmioReadDacData(vgaHWPtr hwp) +{ + return minb(VGA_DAC_DATA); +} + +static CARD8 +mmioReadEnable(vgaHWPtr hwp) +{ + return minb(VGA_ENABLE); +} + +static void +mmioWriteEnable(vgaHWPtr hwp, CARD8 value) +{ + moutb(VGA_ENABLE, value); +} + +void +vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset) +{ + hwp->writeCrtc = mmioWriteCrtc; + hwp->readCrtc = mmioReadCrtc; + hwp->writeGr = mmioWriteGr; + hwp->readGr = mmioReadGr; + hwp->readST00 = mmioReadST00; + hwp->readST01 = mmioReadST01; + hwp->readFCR = mmioReadFCR; + hwp->writeFCR = mmioWriteFCR; + hwp->writeAttr = mmioWriteAttr; + hwp->readAttr = mmioReadAttr; + hwp->writeSeq = mmioWriteSeq; + hwp->readSeq = mmioReadSeq; + hwp->writeMiscOut = mmioWriteMiscOut; + hwp->readMiscOut = mmioReadMiscOut; + hwp->enablePalette = mmioEnablePalette; + hwp->disablePalette = mmioDisablePalette; + hwp->writeDacMask = mmioWriteDacMask; + hwp->readDacMask = mmioReadDacMask; + hwp->writeDacWriteAddr = mmioWriteDacWriteAddr; + hwp->writeDacReadAddr = mmioWriteDacReadAddr; + hwp->writeDacData = mmioWriteDacData; + hwp->readDacData = mmioReadDacData; + hwp->MMIOBase = base; + hwp->MMIOOffset = offset; + hwp->readEnable = mmioReadEnable; + hwp->writeEnable = mmioWriteEnable; +} + +/* + * vgaHWProtect -- + * Protect VGA registers and memory from corruption during loads. + */ + +void +vgaHWProtect(ScrnInfoPtr pScrn, Bool on) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + + unsigned char tmp; + + if (pScrn->vtSema) { + if (on) { + /* + * Turn off screen and disable sequencer. + */ + tmp = hwp->readSeq(hwp, 0x01); + + vgaHWSeqReset(hwp, TRUE); /* start synchronous reset */ + hwp->writeSeq(hwp, 0x01, tmp | 0x20); /* disable the display */ + + hwp->enablePalette(hwp); + } else { + /* + * Reenable sequencer, then turn on screen. + */ + + tmp = hwp->readSeq(hwp, 0x01); + + hwp->writeSeq(hwp, 0x01, tmp & ~0x20); /* reenable display */ + vgaHWSeqReset(hwp, FALSE); /* clear synchronousreset */ + + hwp->disablePalette(hwp); + } + } +} + +vgaHWProtectProc *vgaHWProtectWeak(void) { + return vgaHWProtect; +} + +/* + * vgaHWBlankScreen -- blank the screen. + */ + +void +vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + unsigned char scrn; + + scrn = hwp->readSeq(hwp, 0x01); + + if (on) { + scrn &= ~0x20; /* enable screen */ + } else { + scrn |= 0x20; /* blank screen */ + } + + vgaHWSeqReset(hwp, TRUE); + hwp->writeSeq(hwp, 0x01, scrn); /* change mode */ + vgaHWSeqReset(hwp, FALSE); +} + +vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void) { + return vgaHWBlankScreen; +} + +/* + * vgaHWSaveScreen -- blank the screen. + */ + +Bool +vgaHWSaveScreen(ScreenPtr pScreen, int mode) +{ + ScrnInfoPtr pScrn = NULL; + Bool on; + + if (pScreen != NULL) + pScrn = xf86Screens[pScreen->myNum]; + + on = xf86IsUnblank(mode); + +#if 0 + if (on) + SetTimeSinceLastInputEvent(); +#endif + + if ((pScrn != NULL) && pScrn->vtSema) { + vgaHWBlankScreen(pScrn, on); + } + return (TRUE); +} + + +/* + * vgaHWDPMSSet -- Sets VESA Display Power Management Signaling (DPMS) Mode + * + * This generic VGA function can only set the Off and On modes. If the + * Standby and Suspend modes are to be supported, a chip specific replacement + * for this function must be written. + */ + +void +vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags) +{ + unsigned char seq1 = 0, crtc17 = 0; + vgaHWPtr hwp = VGAHWPTR(pScrn); + + if (!pScrn->vtSema) return; + + switch (PowerManagementMode) { + case DPMSModeOn: + /* Screen: On; HSync: On, VSync: On */ + seq1 = 0x00; + crtc17 = 0x80; + break; + case DPMSModeStandby: + /* Screen: Off; HSync: Off, VSync: On -- Not Supported */ + seq1 = 0x20; + crtc17 = 0x80; + break; + case DPMSModeSuspend: + /* Screen: Off; HSync: On, VSync: Off -- Not Supported */ + seq1 = 0x20; + crtc17 = 0x80; + break; + case DPMSModeOff: + /* Screen: Off; HSync: Off, VSync: Off */ + seq1 = 0x20; + crtc17 = 0x00; + break; + } + hwp->writeSeq(hwp, 0x00, 0x01); /* Synchronous Reset */ + seq1 |= hwp->readSeq(hwp, 0x01) & ~0x20; + hwp->writeSeq(hwp, 0x01, seq1); + crtc17 |= hwp->readCrtc(hwp, 0x17) & ~0x80; + usleep(10000); + hwp->writeCrtc(hwp, 0x17, crtc17); + hwp->writeSeq(hwp, 0x00, 0x03); /* End Reset */ +} + + +/* + * vgaHWSeqReset + * perform a sequencer reset. + */ + +void +vgaHWSeqReset(vgaHWPtr hwp, Bool start) +{ + if (start) + hwp->writeSeq(hwp, 0x00, 0x01); /* Synchronous Reset */ + else + hwp->writeSeq(hwp, 0x00, 0x03); /* End Reset */ +} + + +void +vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore) +{ +#if SAVE_TEXT || SAVE_FONT1 || SAVE_FONT2 + vgaHWPtr hwp = VGAHWPTR(scrninfp); + int savedIOBase; + unsigned char miscOut, attr10, gr1, gr3, gr4, gr5, gr6, gr8, seq2, seq4; + Bool doMap = FALSE; + + /* If nothing to do, return now */ + if (!hwp->FontInfo1 && !hwp->FontInfo2 && !hwp->TextInfo) + return; + + if (hwp->Base == NULL) { + doMap = TRUE; + if (!vgaHWMapMem(scrninfp)) { + xf86DrvMsg(scrninfp->scrnIndex, X_ERROR, + "vgaHWRestoreFonts: vgaHWMapMem() failed\n"); + return; + } + } + + /* save the registers that are needed here */ + miscOut = hwp->readMiscOut(hwp); + attr10 = hwp->readAttr(hwp, 0x10); + gr1 = hwp->readGr(hwp, 0x01); + gr3 = hwp->readGr(hwp, 0x03); + gr4 = hwp->readGr(hwp, 0x04); + gr5 = hwp->readGr(hwp, 0x05); + gr6 = hwp->readGr(hwp, 0x06); + gr8 = hwp->readGr(hwp, 0x08); + seq2 = hwp->readSeq(hwp, 0x02); + seq4 = hwp->readSeq(hwp, 0x04); + + /* save hwp->IOBase and temporarily set it for colour mode */ + savedIOBase = hwp->IOBase; + hwp->IOBase = VGA_IOBASE_COLOR; + + /* Force into colour mode */ + hwp->writeMiscOut(hwp, miscOut | 0x01); + + vgaHWBlankScreen(scrninfp, FALSE); + + /* + * here we temporarily switch to 16 colour planar mode, to simply + * copy the font-info and saved text. + * + * BUG ALERT: The (S)VGA's segment-select register MUST be set correctly! + */ +#if 0 + hwp->writeAttr(hwp, 0x10, 0x01); /* graphics mode */ +#endif + + hwp->writeSeq(hwp, 0x04, 0x06); /* enable plane graphics */ + hwp->writeGr(hwp, 0x05, 0x00); /* write mode 0, read mode 0 */ + hwp->writeGr(hwp, 0x06, 0x05); /* set graphics */ + + if (scrninfp->depth == 4) { + /* GJA */ + hwp->writeGr(hwp, 0x03, 0x00); /* don't rotate, write unmodified */ + hwp->writeGr(hwp, 0x08, 0xFF); /* write all bits in a byte */ + hwp->writeGr(hwp, 0x01, 0x00); /* all planes come from CPU */ + } + +#if SAVE_FONT1 + if (hwp->FontInfo1) { + hwp->writeSeq(hwp, 0x02, 0x04); /* write to plane 2 */ + hwp->writeGr(hwp, 0x04, 0x02); /* read plane 2 */ + slowbcopy_tobus(hwp->FontInfo1, hwp->Base, FONT_AMOUNT); + } +#endif + +#if SAVE_FONT2 + if (hwp->FontInfo2) { + hwp->writeSeq(hwp, 0x02, 0x08); /* write to plane 3 */ + hwp->writeGr(hwp, 0x04, 0x03); /* read plane 3 */ + slowbcopy_tobus(hwp->FontInfo2, hwp->Base, FONT_AMOUNT); + } +#endif + +#if SAVE_TEXT + if (hwp->TextInfo) { + hwp->writeSeq(hwp, 0x02, 0x01); /* write to plane 0 */ + hwp->writeGr(hwp, 0x04, 0x00); /* read plane 0 */ + slowbcopy_tobus(hwp->TextInfo, hwp->Base, TEXT_AMOUNT); + hwp->writeSeq(hwp, 0x02, 0x02); /* write to plane 1 */ + hwp->writeGr(hwp, 0x04, 0x01); /* read plane 1 */ + slowbcopy_tobus((unsigned char *)hwp->TextInfo + TEXT_AMOUNT, + hwp->Base, TEXT_AMOUNT); + } +#endif + + vgaHWBlankScreen(scrninfp, TRUE); + + /* restore the registers that were changed */ + hwp->writeMiscOut(hwp, miscOut); + hwp->writeAttr(hwp, 0x10, attr10); + hwp->writeGr(hwp, 0x01, gr1); + hwp->writeGr(hwp, 0x03, gr3); + hwp->writeGr(hwp, 0x04, gr4); + hwp->writeGr(hwp, 0x05, gr5); + hwp->writeGr(hwp, 0x06, gr6); + hwp->writeGr(hwp, 0x08, gr8); + hwp->writeSeq(hwp, 0x02, seq2); + hwp->writeSeq(hwp, 0x04, seq4); + hwp->IOBase = savedIOBase; + + if (doMap) + vgaHWUnmapMem(scrninfp); + +#endif /* SAVE_TEXT || SAVE_FONT1 || SAVE_FONT2 */ +} + + +void +vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore) +{ + vgaHWPtr hwp = VGAHWPTR(scrninfp); + int i; + + if (restore->MiscOutReg & 0x01) + hwp->IOBase = VGA_IOBASE_COLOR; + else + hwp->IOBase = VGA_IOBASE_MONO; + + hwp->writeMiscOut(hwp, restore->MiscOutReg); + + for (i = 1; i < restore->numSequencer; i++) + hwp->writeSeq(hwp, i, restore->Sequencer[i]); + + /* Ensure CRTC registers 0-7 are unlocked by clearing bit 7 of CRTC[17] */ + hwp->writeCrtc(hwp, 17, restore->CRTC[17] & ~0x80); + + for (i = 0; i < restore->numCRTC; i++) + hwp->writeCrtc(hwp, i, restore->CRTC[i]); + + for (i = 0; i < restore->numGraphics; i++) + hwp->writeGr(hwp, i, restore->Graphics[i]); + + hwp->enablePalette(hwp); + for (i = 0; i < restore->numAttribute; i++) + hwp->writeAttr(hwp, i, restore->Attribute[i]); + hwp->disablePalette(hwp); +} + + +void +vgaHWRestoreColormap(ScrnInfoPtr scrninfp, vgaRegPtr restore) +{ + vgaHWPtr hwp = VGAHWPTR(scrninfp); + int i; + +#if 0 + hwp->enablePalette(hwp); +#endif + + hwp->writeDacMask(hwp, 0xFF); + hwp->writeDacWriteAddr(hwp, 0x00); + for (i = 0; i < 768; i++) { + hwp->writeDacData(hwp, restore->DAC[i]); + DACDelay(hwp); + } + + hwp->disablePalette(hwp); +} + + +/* + * vgaHWRestore -- + * restore the VGA state + */ + +void +vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore, int flags) +{ + if (flags & VGA_SR_MODE) + vgaHWRestoreMode(scrninfp, restore); + + if (flags & VGA_SR_FONTS) + vgaHWRestoreFonts(scrninfp, restore); + + if (flags & VGA_SR_CMAP) + vgaHWRestoreColormap(scrninfp, restore); +} + +void +vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save) +{ +#if SAVE_TEXT || SAVE_FONT1 || SAVE_FONT2 + vgaHWPtr hwp = VGAHWPTR(scrninfp); + int savedIOBase; + unsigned char miscOut, attr10, gr4, gr5, gr6, seq2, seq4; + Bool doMap = FALSE; + + if (hwp->Base == NULL) { + doMap = TRUE; + if (!vgaHWMapMem(scrninfp)) { + xf86DrvMsg(scrninfp->scrnIndex, X_ERROR, + "vgaHWSaveFonts: vgaHWMapMem() failed\n"); + return; + } + } + + /* If in graphics mode, don't save anything */ + attr10 = hwp->readAttr(hwp, 0x10); + if (attr10 & 0x01) + return; + + /* save the registers that are needed here */ + miscOut = hwp->readMiscOut(hwp); + gr4 = hwp->readGr(hwp, 0x04); + gr5 = hwp->readGr(hwp, 0x05); + gr6 = hwp->readGr(hwp, 0x06); + seq2 = hwp->readSeq(hwp, 0x02); + seq4 = hwp->readSeq(hwp, 0x04); + + /* save hwp->IOBase and temporarily set it for colour mode */ + savedIOBase = hwp->IOBase; + hwp->IOBase = VGA_IOBASE_COLOR; + + /* Force into colour mode */ + hwp->writeMiscOut(hwp, miscOut | 0x01); + + vgaHWBlankScreen(scrninfp, FALSE); + + /* + * get the character sets, and text screen if required + */ + /* + * Here we temporarily switch to 16 colour planar mode, to simply + * copy the font-info + * + * BUG ALERT: The (S)VGA's segment-select register MUST be set correctly! + */ +#if 0 + hwp->writeAttr(hwp, 0x10, 0x01); /* graphics mode */ +#endif + + hwp->writeSeq(hwp, 0x04, 0x06); /* enable plane graphics */ + hwp->writeGr(hwp, 0x05, 0x00); /* write mode 0, read mode 0 */ + hwp->writeGr(hwp, 0x06, 0x05); /* set graphics */ + +#if SAVE_FONT1 + if (hwp->FontInfo1 || (hwp->FontInfo1 = xalloc(FONT_AMOUNT))) { + hwp->writeSeq(hwp, 0x02, 0x04); /* write to plane 2 */ + hwp->writeGr(hwp, 0x04, 0x02); /* read plane 2 */ + slowbcopy_frombus(hwp->Base, hwp->FontInfo1, FONT_AMOUNT); + } +#endif /* SAVE_FONT1 */ +#if SAVE_FONT2 + if (hwp->FontInfo2 || (hwp->FontInfo2 = xalloc(FONT_AMOUNT))) { + hwp->writeSeq(hwp, 0x02, 0x08); /* write to plane 3 */ + hwp->writeGr(hwp, 0x04, 0x03); /* read plane 3 */ + slowbcopy_frombus(hwp->Base, hwp->FontInfo2, FONT_AMOUNT); + } +#endif /* SAVE_FONT2 */ +#if SAVE_TEXT + if (hwp->TextInfo || (hwp->TextInfo = xalloc(2 * TEXT_AMOUNT))) { + hwp->writeSeq(hwp, 0x02, 0x01); /* write to plane 0 */ + hwp->writeGr(hwp, 0x04, 0x00); /* read plane 0 */ + slowbcopy_frombus(hwp->Base, hwp->TextInfo, TEXT_AMOUNT); + hwp->writeSeq(hwp, 0x02, 0x02); /* write to plane 1 */ + hwp->writeGr(hwp, 0x04, 0x01); /* read plane 1 */ + slowbcopy_frombus(hwp->Base, + (unsigned char *)hwp->TextInfo + TEXT_AMOUNT, TEXT_AMOUNT); + } +#endif /* SAVE_TEXT */ + + /* Restore clobbered registers */ + hwp->writeAttr(hwp, 0x10, attr10); + hwp->writeSeq(hwp, 0x02, seq2); + hwp->writeSeq(hwp, 0x04, seq4); + hwp->writeGr(hwp, 0x04, gr4); + hwp->writeGr(hwp, 0x05, gr5); + hwp->writeGr(hwp, 0x06, gr6); + hwp->writeMiscOut(hwp, miscOut); + hwp->IOBase = savedIOBase; + + vgaHWBlankScreen(scrninfp, TRUE); + + if (doMap) + vgaHWUnmapMem(scrninfp); + +#endif /* SAVE_TEXT || SAVE_FONT1 || SAVE_FONT2 */ +} + +void +vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save) +{ + vgaHWPtr hwp = VGAHWPTR(scrninfp); + int i; + + save->MiscOutReg = hwp->readMiscOut(hwp); + if (save->MiscOutReg & 0x01) + hwp->IOBase = VGA_IOBASE_COLOR; + else + hwp->IOBase = VGA_IOBASE_MONO; + + for (i = 0; i < save->numCRTC; i++) { + save->CRTC[i] = hwp->readCrtc(hwp, i); +#ifdef DEBUG + ErrorF("CRTC[0x%02x] = 0x%02x\n", i, save->CRTC[i]); +#endif + } + + hwp->enablePalette(hwp); + for (i = 0; i < save->numAttribute; i++) { + save->Attribute[i] = hwp->readAttr(hwp, i); +#ifdef DEBUG + ErrorF("Attribute[0x%02x] = 0x%02x\n", i, save->Attribute[i]); +#endif + } + hwp->disablePalette(hwp); + + for (i = 0; i < save->numGraphics; i++) { + save->Graphics[i] = hwp->readGr(hwp, i); +#ifdef DEBUG + ErrorF("Graphics[0x%02x] = 0x%02x\n", i, save->Graphics[i]); +#endif + } + + for (i = 1; i < save->numSequencer; i++) { + save->Sequencer[i] = hwp->readSeq(hwp, i); +#ifdef DEBUG + ErrorF("Sequencer[0x%02x] = 0x%02x\n", i, save->Sequencer[i]); +#endif + } +} + + +void +vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save) +{ + vgaHWPtr hwp = VGAHWPTR(scrninfp); + Bool readError = FALSE; + int i; + +#ifdef NEED_SAVED_CMAP + /* + * Some ET4000 chips from 1991 have a HW bug that prevents the reading + * of the color lookup table. Mask rev 9042EAI is known to have this bug. + * + * If the colourmap is not readable, we set the saved map to a default + * map (taken from Ferraro's "Programmer's Guide to the EGA and VGA + * Cards" 2nd ed). + */ + + /* Only save it once */ + if (hwp->cmapSaved) + return; + +#if 0 + hwp->enablePalette(hwp); +#endif + + hwp->writeDacMask(hwp, 0xFF); + + /* + * check if we can read the lookup table + */ + hwp->writeDacReadAddr(hwp, 0x00); + for (i = 0; i < 6; i++) { + save->DAC[i] = hwp->readDacData(hwp); +#ifdef DEBUG + switch (i % 3) { + case 0: + ErrorF("DAC[0x%02x] = 0x%02x, ", i / 3, save->DAC[i]); + break; + case 1: + ErrorF("0x%02x, ", save->DAC[i]); + break; + case 2: + ErrorF("0x%02x\n", save->DAC[i]); + } +#endif + } + + /* + * Check if we can read the palette - + * use foreground color to prevent flashing. + */ + hwp->writeDacWriteAddr(hwp, 0x01); + for (i = 3; i < 6; i++) + hwp->writeDacData(hwp, ~save->DAC[i] & DAC_TEST_MASK); + hwp->writeDacReadAddr(hwp, 0x01); + for (i = 3; i < 6; i++) { + if (hwp->readDacData(hwp) != (~save->DAC[i] & DAC_TEST_MASK)) + readError = TRUE; + } + hwp->writeDacWriteAddr(hwp, 0x01); + for (i = 3; i < 6; i++) + hwp->writeDacData(hwp, save->DAC[i]); + + if (readError) { + /* + * save the default lookup table + */ + memmove(save->DAC, defaultDAC, 768); + xf86DrvMsg(scrninfp->scrnIndex, X_WARNING, + "Cannot read colourmap from VGA. Will restore with default\n"); + } else { + /* save the colourmap */ + hwp->writeDacReadAddr(hwp, 0x02); + for (i = 6; i < 768; i++) { + save->DAC[i] = hwp->readDacData(hwp); + DACDelay(hwp); +#ifdef DEBUG + switch (i % 3) { + case 0: + ErrorF("DAC[0x%02x] = 0x%02x, ", i / 3, save->DAC[i]); + break; + case 1: + ErrorF("0x%02x, ", save->DAC[i]); + break; + case 2: + ErrorF("0x%02x\n", save->DAC[i]); + } +#endif + } + } + + hwp->disablePalette(hwp); + hwp->cmapSaved = TRUE; +#endif +} + +/* + * vgaHWSave -- + * save the current VGA state + */ + +void +vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save, int flags) +{ + if (save == NULL) + return; + + if (flags & VGA_SR_CMAP) + vgaHWSaveColormap(scrninfp, save); + + if (flags & VGA_SR_MODE) + vgaHWSaveMode(scrninfp, save); + + if (flags & VGA_SR_FONTS) + vgaHWSaveFonts(scrninfp, save); +} + + +/* + * vgaHWInit -- + * Handle the initialization, etc. of a screen. + * Return FALSE on failure. + */ + +Bool +vgaHWInit(ScrnInfoPtr scrninfp, DisplayModePtr mode) +{ + unsigned int i; + vgaHWPtr hwp; + vgaRegPtr regp; + int depth = scrninfp->depth; + + /* + * make sure the vgaHWRec is allocated + */ + if (!vgaHWGetHWRec(scrninfp)) + return FALSE; + hwp = VGAHWPTR(scrninfp); + regp = &hwp->ModeReg; + + /* + * compute correct Hsync & Vsync polarity + */ + if ((mode->Flags & (V_PHSYNC | V_NHSYNC)) + && (mode->Flags & (V_PVSYNC | V_NVSYNC))) + { + regp->MiscOutReg = 0x23; + if (mode->Flags & V_NHSYNC) regp->MiscOutReg |= 0x40; + if (mode->Flags & V_NVSYNC) regp->MiscOutReg |= 0x80; + } + else + { + int VDisplay = mode->VDisplay; + if (mode->Flags & V_DBLSCAN) + VDisplay *= 2; + if (mode->VScan > 1) + VDisplay *= mode->VScan; + if (VDisplay < 400) + regp->MiscOutReg = 0xA3; /* +hsync -vsync */ + else if (VDisplay < 480) + regp->MiscOutReg = 0x63; /* -hsync +vsync */ + else if (VDisplay < 768) + regp->MiscOutReg = 0xE3; /* -hsync -vsync */ + else + regp->MiscOutReg = 0x23; /* +hsync +vsync */ + } + + regp->MiscOutReg |= (mode->ClockIndex & 0x03) << 2; + + /* + * Time Sequencer + */ + if (depth == 4) + regp->Sequencer[0] = 0x02; + else + regp->Sequencer[0] = 0x00; + if (mode->Flags & V_CLKDIV2) + regp->Sequencer[1] = 0x09; + else + regp->Sequencer[1] = 0x01; + if (depth == 1) + regp->Sequencer[2] = 1 << BIT_PLANE; + else + regp->Sequencer[2] = 0x0F; + regp->Sequencer[3] = 0x00; /* Font select */ + if (depth < 8) + regp->Sequencer[4] = 0x06; /* Misc */ + else + regp->Sequencer[4] = 0x0E; /* Misc */ + + /* + * CRTC Controller + */ + regp->CRTC[0] = (mode->CrtcHTotal >> 3) - 5; + regp->CRTC[1] = (mode->CrtcHDisplay >> 3) - 1; + regp->CRTC[2] = (mode->CrtcHBlankStart >> 3) - 1; + regp->CRTC[3] = (((mode->CrtcHBlankEnd >> 3) - 1) & 0x1F) | 0x80; + i = (((mode->CrtcHSkew << 2) + 0x10) & ~0x1F); + if (i < 0x80) + regp->CRTC[3] |= i; + regp->CRTC[4] = (mode->CrtcHSyncStart >> 3); + regp->CRTC[5] = ((((mode->CrtcHBlankEnd >> 3) - 1) & 0x20) << 2) + | (((mode->CrtcHSyncEnd >> 3)) & 0x1F); + regp->CRTC[6] = (mode->CrtcVTotal - 2) & 0xFF; + regp->CRTC[7] = (((mode->CrtcVTotal - 2) & 0x100) >> 8) + | (((mode->CrtcVDisplay - 1) & 0x100) >> 7) + | ((mode->CrtcVSyncStart & 0x100) >> 6) + | (((mode->CrtcVBlankStart - 1) & 0x100) >> 5) + | 0x10 + | (((mode->CrtcVTotal - 2) & 0x200) >> 4) + | (((mode->CrtcVDisplay - 1) & 0x200) >> 3) + | ((mode->CrtcVSyncStart & 0x200) >> 2); + regp->CRTC[8] = 0x00; + regp->CRTC[9] = (((mode->CrtcVBlankStart - 1) & 0x200) >> 4) | 0x40; + if (mode->Flags & V_DBLSCAN) + regp->CRTC[9] |= 0x80; + if (mode->VScan >= 32) + regp->CRTC[9] |= 0x1F; + else if (mode->VScan > 1) + regp->CRTC[9] |= mode->VScan - 1; + regp->CRTC[10] = 0x00; + regp->CRTC[11] = 0x00; + regp->CRTC[12] = 0x00; + regp->CRTC[13] = 0x00; + regp->CRTC[14] = 0x00; + regp->CRTC[15] = 0x00; + regp->CRTC[16] = mode->CrtcVSyncStart & 0xFF; + regp->CRTC[17] = (mode->CrtcVSyncEnd & 0x0F) | 0x20; + regp->CRTC[18] = (mode->CrtcVDisplay - 1) & 0xFF; + regp->CRTC[19] = scrninfp->displayWidth >> 4; /* just a guess */ + regp->CRTC[20] = 0x00; + regp->CRTC[21] = (mode->CrtcVBlankStart - 1) & 0xFF; + regp->CRTC[22] = (mode->CrtcVBlankEnd - 1) & 0xFF; + if (depth < 8) + regp->CRTC[23] = 0xE3; + else + regp->CRTC[23] = 0xC3; + regp->CRTC[24] = 0xFF; + + vgaHWHBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN | KGA_ENABLE_ON_ZERO); + vgaHWVBlankKGA(mode, regp, 0, KGA_FIX_OVERSCAN | KGA_ENABLE_ON_ZERO); + + /* + * Theory resumes here.... + */ + + /* + * Graphics Display Controller + */ + regp->Graphics[0] = 0x00; + regp->Graphics[1] = 0x00; + regp->Graphics[2] = 0x00; + regp->Graphics[3] = 0x00; + if (depth == 1) { + regp->Graphics[4] = BIT_PLANE; + regp->Graphics[5] = 0x00; + } else { + regp->Graphics[4] = 0x00; + if (depth == 4) + regp->Graphics[5] = 0x02; + else + regp->Graphics[5] = 0x40; + } + regp->Graphics[6] = 0x05; /* only map 64k VGA memory !!!! */ + regp->Graphics[7] = 0x0F; + regp->Graphics[8] = 0xFF; + + if (depth == 1) { + /* Initialise the Mono map according to which bit-plane gets used */ + + Bool flipPixels = xf86GetFlipPixels(); + + for (i=0; i<16; i++) + if (((i & (1 << BIT_PLANE)) != 0) != flipPixels) + regp->Attribute[i] = WHITE_VALUE; + else + regp->Attribute[i] = BLACK_VALUE; + + regp->Attribute[16] = 0x01; /* -VGA2- */ /* wrong for the ET4000 */ + if (!hwp->ShowOverscan) + regp->Attribute[OVERSCAN] = OVERSCAN_VALUE; /* -VGA2- */ + } else { + regp->Attribute[0] = 0x00; /* standard colormap translation */ + regp->Attribute[1] = 0x01; + regp->Attribute[2] = 0x02; + regp->Attribute[3] = 0x03; + regp->Attribute[4] = 0x04; + regp->Attribute[5] = 0x05; + regp->Attribute[6] = 0x06; + regp->Attribute[7] = 0x07; + regp->Attribute[8] = 0x08; + regp->Attribute[9] = 0x09; + regp->Attribute[10] = 0x0A; + regp->Attribute[11] = 0x0B; + regp->Attribute[12] = 0x0C; + regp->Attribute[13] = 0x0D; + regp->Attribute[14] = 0x0E; + regp->Attribute[15] = 0x0F; + if (depth == 4) + regp->Attribute[16] = 0x81; /* wrong for the ET4000 */ + else + regp->Attribute[16] = 0x41; /* wrong for the ET4000 */ + /* Attribute[17] (overscan) initialised in vgaHWGetHWRec() */ + } + regp->Attribute[18] = 0x0F; + regp->Attribute[19] = 0x00; + regp->Attribute[20] = 0x00; + + return(TRUE); +} + + /* + * OK, so much for theory. Now, let's deal with the >real< world... + * + * The above CRTC settings are precise in theory, except that many, if not + * most, VGA clones fail to reset the blanking signal when the character or + * line counter reaches [HV]Total. In this case, the signal is only + * unblanked when the counter reaches [HV]BlankEnd (mod 64, 128 or 256 as + * the case may be) at the start of the >next< scanline or frame, which + * means only part of the screen shows. This affects how null overscans + * are to be implemented on such adapters. + * + * Henceforth, VGA cores that implement this broken, but unfortunately + * common, behaviour are to be designated as KGA's, in honour of Koen + * Gadeyne, whose zeal to eliminate overscans (read: fury) set in motion + * a series of events that led to the discovery of this problem. + * + * Some VGA's are KGA's only in the horizontal, or only in the vertical, + * some in both, others in neither. Don't let anyone tell you there is + * such a thing as a VGA "standard"... And, thank the Creator for the fact + * that Hilbert spaces are not yet implemented in this industry. + * + * The following implements a trick suggested by David Dawes. This sets + * [HV]BlankEnd to zero if the blanking interval does not already contain a + * 0-point, and decrements it by one otherwise. In the latter case, this + * will produce a left and/or top overscan which the colourmap code will + * (still) need to ensure is as close to black as possible. This will make + * the behaviour consistent across all chipsets, while allowing all + * chipsets to display the entire screen. Non-KGA drivers can ignore the + * following in their own copy of this code. + * + * -- TSI @ UQV, 1998.08.21 + */ + +CARD32 +vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, + unsigned int Flags) +{ + int nExtBits = (nBits < 6) ? 0 : nBits - 6; + CARD32 ExtBits; + CARD32 ExtBitMask = ((1 << nExtBits) - 1) << 6; + + regp->CRTC[3] = (regp->CRTC[3] & ~0x1F) + | (((mode->CrtcHBlankEnd >> 3) - 1) & 0x1F); + regp->CRTC[5] = (regp->CRTC[5] & ~0x80) + | ((((mode->CrtcHBlankEnd >> 3) - 1) & 0x20) << 2); + ExtBits = ((mode->CrtcHBlankEnd >> 3) - 1) & ExtBitMask; + + /* First the horizontal case */ + if ((Flags & KGA_FIX_OVERSCAN) + && ((mode->CrtcHBlankEnd >> 3) == (mode->CrtcHTotal >> 3))) + { + int i = (regp->CRTC[3] & 0x1F) + | ((regp->CRTC[5] & 0x80) >> 2) + | ExtBits; + if (Flags & KGA_ENABLE_ON_ZERO) { + if ((i-- > (((mode->CrtcHBlankStart >> 3) - 1) + & (0x3F | ExtBitMask))) + && (mode->CrtcHBlankEnd == mode->CrtcHTotal)) + i = 0; + } else if (Flags & KGA_BE_TOT_DEC) + i--; + regp->CRTC[3] = (regp->CRTC[3] & ~0x1F) | (i & 0x1F); + regp->CRTC[5] = (regp->CRTC[5] & ~0x80) | ((i << 2) & 0x80); + ExtBits = i & ExtBitMask; + } + return ExtBits >> 6; +} + + /* + * The vertical case is a little trickier. Some VGA's ignore bit 0x80 of + * CRTC[22]. Also, in some cases, a zero CRTC[22] will still blank the + * very first scanline in a double- or multi-scanned mode. This last case + * needs further investigation. + */ +CARD32 +vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, + unsigned int Flags) +{ + CARD32 ExtBits; + CARD32 nExtBits = (nBits < 8) ? 0 : (nBits - 8); + CARD32 ExtBitMask = ((1 << nExtBits) - 1) << 8; + /* If width is not known nBits should be 0. In this + * case BitMask is set to 0 so we can check for it. */ + CARD32 BitMask = (nBits < 7) ? 0 : ((1 << nExtBits) - 1); + int VBlankStart = (mode->CrtcVBlankStart - 1) & 0xFF; + regp->CRTC[22] = (mode->CrtcVBlankEnd - 1) & 0xFF; + ExtBits = (mode->CrtcVBlankEnd - 1) & ExtBitMask; + + if ((Flags & KGA_FIX_OVERSCAN) + && (mode->CrtcVBlankEnd == mode->CrtcVTotal)) + /* Null top overscan */ + { + int i = regp->CRTC[22] | ExtBits; + if (Flags & KGA_ENABLE_ON_ZERO) { + if (((BitMask && ((i & BitMask) > (VBlankStart & BitMask))) + || ((i > VBlankStart) && /* 8-bit case */ + ((i & 0x7F) > (VBlankStart & 0x7F)))) && /* 7-bit case */ + !(regp->CRTC[9] & 0x9F)) /* 1 scanline/row */ + i = 0; + else + i = (i - 1); + } else if (Flags & KGA_BE_TOT_DEC) + i = (i - 1); + + regp->CRTC[22] = i & 0xFF; + ExtBits = i & 0xFF00; + } + return ExtBits >> 8; +} + +/* + * these are some more hardware specific helpers, formerly in vga.c + */ +static void +vgaHWGetHWRecPrivate(void) +{ + if (vgaHWPrivateIndex < 0) + vgaHWPrivateIndex = xf86AllocateScrnInfoPrivateIndex(); + return; +} + + +static void +vgaHWFreeRegs(vgaRegPtr regp) +{ + if (regp->CRTC) + xfree (regp->CRTC); + + regp->CRTC = + regp->Sequencer = + regp->Graphics = + regp->Attribute = NULL; + + regp->numCRTC = + regp->numSequencer = + regp->numGraphics = + regp->numAttribute = 0; +} + + + +static Bool +vgaHWAllocRegs(vgaRegPtr regp) +{ + unsigned char *buf; + + if ((regp->numCRTC + regp->numSequencer + regp->numGraphics + + regp->numAttribute) == 0) + return FALSE; + + buf = xcalloc(regp->numCRTC + + regp->numSequencer + + regp->numGraphics + + regp->numAttribute, 1); + if (!buf) + return FALSE; + + regp->CRTC = buf; + regp->Sequencer = regp->CRTC + regp->numCRTC; + regp->Graphics = regp->Sequencer + regp->numSequencer; + regp->Attribute = regp->Graphics + regp->numGraphics; + + return TRUE; +} + + +Bool +vgaHWAllocDefaultRegs(vgaRegPtr regp) +{ + regp->numCRTC = VGA_NUM_CRTC; + regp->numSequencer = VGA_NUM_SEQ; + regp->numGraphics = VGA_NUM_GFX; + regp->numAttribute = VGA_NUM_ATTR; + + return vgaHWAllocRegs(regp); +} + + +Bool +vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC, int numSequencer, + int numGraphics, int numAttribute) +{ +#define VGAHWMINNUM(regtype) \ + ((newMode.num##regtype < regp->num##regtype) ? \ + (newMode.num##regtype) : (regp->num##regtype)) +#define VGAHWCOPYREGSET(regtype) \ + memcpy (newMode.regtype, regp->regtype, VGAHWMINNUM(regtype)) + + vgaRegRec newMode, newSaved; + vgaRegPtr regp; + + regp = &VGAHWPTR(scrp)->ModeReg; + memcpy (&newMode, regp, sizeof(vgaRegRec)); + + /* allocate space for new registers */ + + regp = &newMode; + regp->numCRTC = numCRTC; + regp->numSequencer = numSequencer; + regp->numGraphics = numGraphics; + regp->numAttribute = numAttribute; + if (!vgaHWAllocRegs(regp)) + return FALSE; + + regp = &VGAHWPTR(scrp)->SavedReg; + memcpy (&newSaved, regp, sizeof(vgaRegRec)); + + regp = &newSaved; + regp->numCRTC = numCRTC; + regp->numSequencer = numSequencer; + regp->numGraphics = numGraphics; + regp->numAttribute = numAttribute; + if (!vgaHWAllocRegs(regp)) { + vgaHWFreeRegs(&newMode); + return FALSE; + } + + /* allocations succeeded, copy register data into new space */ + + regp = &VGAHWPTR(scrp)->ModeReg; + VGAHWCOPYREGSET(CRTC); + VGAHWCOPYREGSET(Sequencer); + VGAHWCOPYREGSET(Graphics); + VGAHWCOPYREGSET(Attribute); + + regp = &VGAHWPTR(scrp)->SavedReg; + VGAHWCOPYREGSET(CRTC); + VGAHWCOPYREGSET(Sequencer); + VGAHWCOPYREGSET(Graphics); + VGAHWCOPYREGSET(Attribute); + + /* free old register arrays */ + + regp = &VGAHWPTR(scrp)->ModeReg; + vgaHWFreeRegs(regp); + memcpy(regp, &newMode, sizeof(vgaRegRec)); + + regp = &VGAHWPTR(scrp)->SavedReg; + vgaHWFreeRegs(regp); + memcpy(regp, &newSaved, sizeof(vgaRegRec)); + + return TRUE; + +#undef VGAHWMINNUM +#undef VGAHWCOPYREGSET +} + + +Bool +vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src) +{ + vgaHWFreeRegs(dst); + + memcpy(dst, src, sizeof(vgaRegRec)); + + if (!vgaHWAllocRegs(dst)) + return FALSE; + + memcpy(dst->CRTC, src->CRTC, src->numCRTC); + memcpy(dst->Sequencer, src->Sequencer, src->numSequencer); + memcpy(dst->Graphics, src->Graphics, src->numGraphics); + memcpy(dst->Attribute, src->Attribute, src->numAttribute); + + return TRUE; +} + + +Bool +vgaHWGetHWRec(ScrnInfoPtr scrp) +{ + vgaRegPtr regp; + vgaHWPtr hwp; + int i; + + /* + * Let's make sure that the private exists and allocate one. + */ + vgaHWGetHWRecPrivate(); + /* + * New privates are always set to NULL, so we can check if the allocation + * has already been done. + */ + if (VGAHWPTR(scrp)) + return TRUE; + hwp = VGAHWPTRLVAL(scrp) = xnfcalloc(sizeof(vgaHWRec), 1); + regp = &VGAHWPTR(scrp)->ModeReg; + + if ((!vgaHWAllocDefaultRegs(&VGAHWPTR(scrp)->SavedReg)) || + (!vgaHWAllocDefaultRegs(&VGAHWPTR(scrp)->ModeReg))) { + xfree(hwp); + return FALSE; + } + + if (scrp->bitsPerPixel == 1) { + rgb blackColour = scrp->display->blackColour, + whiteColour = scrp->display->whiteColour; + + if (blackColour.red > 0x3F) blackColour.red = 0x3F; + if (blackColour.green > 0x3F) blackColour.green = 0x3F; + if (blackColour.blue > 0x3F) blackColour.blue = 0x3F; + + if (whiteColour.red > 0x3F) whiteColour.red = 0x3F; + if (whiteColour.green > 0x3F) whiteColour.green = 0x3F; + if (whiteColour.blue > 0x3F) whiteColour.blue = 0x3F; + + if ((blackColour.red == whiteColour.red ) && + (blackColour.green == whiteColour.green) && + (blackColour.blue == whiteColour.blue )) { + blackColour.red ^= 0x3F; + blackColour.green ^= 0x3F; + blackColour.blue ^= 0x3F; + } + + /* + * initialize default colormap for monochrome + */ + for (i=0; i<3; i++) regp->DAC[i] = 0x00; + for (i=3; i<768; i++) regp->DAC[i] = 0x3F; + i = BLACK_VALUE * 3; + regp->DAC[i++] = blackColour.red; + regp->DAC[i++] = blackColour.green; + regp->DAC[i] = blackColour.blue; + i = WHITE_VALUE * 3; + regp->DAC[i++] = whiteColour.red; + regp->DAC[i++] = whiteColour.green; + regp->DAC[i] = whiteColour.blue; + i = OVERSCAN_VALUE * 3; + regp->DAC[i++] = 0x00; + regp->DAC[i++] = 0x00; + regp->DAC[i] = 0x00; + } else { + /* Set all colours to black */ + for (i=0; i<768; i++) regp->DAC[i] = 0x00; + /* ... and the overscan */ + if (scrp->depth >= 4) + regp->Attribute[OVERSCAN] = 0xFF; + } + if (xf86FindOption(scrp->confScreen->options, "ShowOverscan")) { + xf86MarkOptionUsedByName(scrp->confScreen->options, "ShowOverscan"); + xf86DrvMsg(scrp->scrnIndex, X_CONFIG, "Showing overscan area\n"); + regp->DAC[765] = 0x3F; + regp->DAC[766] = 0x00; + regp->DAC[767] = 0x3F; + regp->Attribute[OVERSCAN] = 0xFF; + hwp->ShowOverscan = TRUE; + } else + hwp->ShowOverscan = FALSE; + + hwp->paletteEnabled = FALSE; + hwp->cmapSaved = FALSE; + hwp->MapSize = 0; + hwp->pScrn = scrp; + + /* Initialise the function pointers with the standard VGA versions */ + vgaHWSetStdFuncs(hwp); + + hwp->PIOOffset = scrp->domainIOBase; + hwp->dev = xf86GetPciInfoForEntity(scrp->entityList[0]); + + return TRUE; +} + + +void +vgaHWFreeHWRec(ScrnInfoPtr scrp) +{ + if (vgaHWPrivateIndex >= 0) { + vgaHWPtr hwp = VGAHWPTR(scrp); + + if (!hwp) + return; + + xfree(hwp->FontInfo1); + xfree(hwp->FontInfo2); + xfree(hwp->TextInfo); + + vgaHWFreeRegs (&hwp->ModeReg); + vgaHWFreeRegs (&hwp->SavedReg); + + xfree(hwp); + VGAHWPTRLVAL(scrp) = NULL; + } +} + + +Bool +vgaHWMapMem(ScrnInfoPtr scrp) +{ + vgaHWPtr hwp = VGAHWPTR(scrp); + int scr_index = scrp->scrnIndex; + + if (hwp->Base) + return TRUE; + + /* If not set, initialise with the defaults */ + if (hwp->MapSize == 0) + hwp->MapSize = VGA_DEFAULT_MEM_SIZE; + if (hwp->MapPhys == 0) + hwp->MapPhys = VGA_DEFAULT_PHYS_ADDR; + + /* + * Map as VIDMEM_MMIO_32BIT because WC + * is bad when there is page flipping. + * XXX This is not correct but we do it + * for now. + */ +#ifdef DEBUG + ErrorF("Mapping VGAMem\n"); +#endif + hwp->Base = xf86MapDomainMemory(scr_index, VIDMEM_MMIO_32BIT, hwp->dev, + hwp->MapPhys, hwp->MapSize); + return hwp->Base != NULL; +} + + +void +vgaHWUnmapMem(ScrnInfoPtr scrp) +{ + vgaHWPtr hwp = VGAHWPTR(scrp); + int scr_index = scrp->scrnIndex; + + if (hwp->Base == NULL) + return; + +#ifdef DEBUG + ErrorF("Unmapping VGAMem\n"); +#endif + xf86UnMapVidMem(scr_index, hwp->Base, hwp->MapSize); + hwp->Base = NULL; +} + +int +vgaHWGetIndex() +{ + return vgaHWPrivateIndex; +} + + +void +vgaHWGetIOBase(vgaHWPtr hwp) +{ + hwp->IOBase = (hwp->readMiscOut(hwp) & 0x01) ? + VGA_IOBASE_COLOR : VGA_IOBASE_MONO; + xf86DrvMsgVerb(hwp->pScrn->scrnIndex, X_INFO, 3, + "vgaHWGetIOBase: hwp->IOBase is 0x%04x, hwp->PIOOffset is 0x%04lx\n", + hwp->IOBase, hwp->PIOOffset); +} + + +void +vgaHWLock(vgaHWPtr hwp) +{ + /* Protect CRTC[0-7] */ + hwp->writeCrtc(hwp, 0x11, hwp->readCrtc(hwp, 0x11) | 0x80); +} + +void +vgaHWUnlock(vgaHWPtr hwp) +{ + /* Unprotect CRTC[0-7] */ + hwp->writeCrtc(hwp, 0x11, hwp->readCrtc(hwp, 0x11) & ~0x80); +} + + +void +vgaHWEnable(vgaHWPtr hwp) +{ + hwp->writeEnable(hwp, hwp->readEnable(hwp) | 0x01); +} + + +void +vgaHWDisable(vgaHWPtr hwp) +{ + hwp->writeEnable(hwp, hwp->readEnable(hwp) & ~0x01); +} + + +static void +vgaHWLoadPalette(ScrnInfoPtr pScrn, int numColors, int *indices, LOCO *colors, + VisualPtr pVisual) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + int i, index; + + for (i = 0; i < numColors; i++) { + index = indices[i]; + hwp->writeDacWriteAddr(hwp, index); + DACDelay(hwp); + hwp->writeDacData(hwp, colors[index].red); + DACDelay(hwp); + hwp->writeDacData(hwp, colors[index].green); + DACDelay(hwp); + hwp->writeDacData(hwp, colors[index].blue); + DACDelay(hwp); + } + + /* This shouldn't be necessary, but we'll play safe. */ + hwp->disablePalette(hwp); +} + + +static void +vgaHWSetOverscan(ScrnInfoPtr pScrn, int overscan) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + + if (overscan < 0 || overscan > 255) + return; + + hwp->enablePalette(hwp); + hwp->writeAttr(hwp, OVERSCAN, overscan); + +#ifdef DEBUGOVERSCAN + { + int ov = hwp->readAttr(hwp, OVERSCAN); + int red, green, blue; + + hwp->writeDacReadAddr(hwp, ov); + red = hwp->readDacData(hwp); + green = hwp->readDacData(hwp); + blue = hwp->readDacData(hwp); + ErrorF("Overscan index is 0x%02x, colours are #%02x%02x%02x\n", + ov, red, green, blue); + } +#endif + + hwp->disablePalette(hwp); +} + + +Bool +vgaHWHandleColormaps(ScreenPtr pScreen) +{ + ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; + + if (pScrn->depth > 1 && pScrn->depth <= 8) { + return xf86HandleColormaps(pScreen, 1 << pScrn->depth, + pScrn->rgbBits, vgaHWLoadPalette, + pScrn->depth > 4 ? vgaHWSetOverscan : NULL, + CMAP_RELOAD_ON_MODE_SWITCH); + } + return TRUE; +} + +/* ----------------------- DDC support ------------------------*/ +/* + * Adjust v_active, v_blank, v_sync, v_sync_end, v_blank_end, v_total + * to read out EDID at a faster rate. Allowed maximum is 25kHz with + * 20 usec v_sync active. Set positive v_sync polarity, turn off lightpen + * readback, enable access to cr00-cr07. + */ + +/* vertical timings */ +#define DISPLAY_END 0x04 +#define BLANK_START DISPLAY_END +#define SYNC_START BLANK_START +#define SYNC_END 0x09 +#define BLANK_END SYNC_END +#define V_TOTAL BLANK_END +/* this function doesn't have to be reentrant for our purposes */ +struct _vgaDdcSave { + unsigned char cr03; + unsigned char cr06; + unsigned char cr07; + unsigned char cr09; + unsigned char cr10; + unsigned char cr11; + unsigned char cr12; + unsigned char cr15; + unsigned char cr16; + unsigned char msr; +}; + +void +vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed) +{ + vgaHWPtr hwp = VGAHWPTR(pScrn); + unsigned char tmp; + struct _vgaDdcSave* save; + switch (speed) { + case DDC_FAST: + + if (hwp->ddc != NULL) break; + hwp->ddc = xnfcalloc(sizeof(struct _vgaDdcSave),1); + save = (struct _vgaDdcSave *)hwp->ddc; + /* Lightpen register disable - allow access to cr10 & 11; just in case */ + save->cr03 = hwp->readCrtc(hwp, 0x03); + hwp->writeCrtc(hwp,0x03,(save->cr03 |0x80)); + save->cr12 = hwp->readCrtc(hwp, 0x12); + hwp->writeCrtc(hwp,0x12,DISPLAY_END); + save->cr15 = hwp->readCrtc(hwp, 0x15); + hwp->writeCrtc(hwp,0x15,BLANK_START); + save->cr10 = hwp->readCrtc(hwp, 0x10); + hwp->writeCrtc(hwp,0x10,SYNC_START); + save->cr11 = hwp->readCrtc(hwp, 0x11); + /* unprotect group 1 registers; just in case ...*/ + hwp->writeCrtc(hwp,0x11,((save->cr11 & 0x70) | SYNC_END)); + save->cr16 = hwp->readCrtc(hwp, 0x16); + hwp->writeCrtc(hwp,0x16,BLANK_END); + save->cr06 = hwp->readCrtc(hwp, 0x06); + hwp->writeCrtc(hwp,0x06,V_TOTAL); + /* all values have less than 8 bit - mask out 9th and 10th bits */ + save->cr09 = hwp->readCrtc(hwp, 0x09); + hwp->writeCrtc(hwp,0x09,(save->cr09 &0xDF)); + save->cr07 = hwp->readCrtc(hwp, 0x07); + hwp->writeCrtc(hwp,0x07,(save->cr07 &0x10)); + /* vsync polarity negativ & ensure a 25MHz clock */ + save->msr = hwp->readMiscOut(hwp); + hwp->writeMiscOut(hwp,((save->msr & 0xF3) | 0x80)); + break; + case DDC_SLOW: + if (hwp->ddc == NULL) break; + save = (struct _vgaDdcSave *)hwp->ddc; + hwp->writeMiscOut(hwp,save->msr); + hwp->writeCrtc(hwp,0x07,save->cr07); + tmp = hwp->readCrtc(hwp, 0x09); + hwp->writeCrtc(hwp,0x09,((save->cr09 & 0x20) | (tmp & 0xDF))); + hwp->writeCrtc(hwp,0x06,save->cr06); + hwp->writeCrtc(hwp,0x16,save->cr16); + hwp->writeCrtc(hwp,0x11,save->cr11); + hwp->writeCrtc(hwp,0x10,save->cr10); + hwp->writeCrtc(hwp,0x15,save->cr15); + hwp->writeCrtc(hwp,0x12,save->cr12); + hwp->writeCrtc(hwp,0x03,save->cr03); + xfree(save); + hwp->ddc = NULL; + break; + default: + break; + } +} + +DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void) { return vgaHWddc1SetSpeed; } + +SaveScreenProcPtr vgaHWSaveScreenWeak(void) { return vgaHWSaveScreen; } diff --git a/xorg-server/hw/xfree86/vgahw/vgaHW.h b/xorg-server/hw/xfree86/vgahw/vgaHW.h new file mode 100644 index 000000000..a38ea7559 --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/vgaHW.h @@ -0,0 +1,236 @@ + + +/* + * Copyright (c) 1997,1998 The XFree86 Project, Inc. + * + * Loosely based on code bearing the following copyright: + * + * Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany. + * + * Author: Dirk Hohndel + */ + +#ifndef _VGAHW_H +#define _VGAHW_H + +#include <X11/X.h> +#include "misc.h" +#include "input.h" +#include "scrnintstr.h" +#include "colormapst.h" + +#include "xf86str.h" +#include "xf86Pci.h" + +#include "xf86DDC.h" + +#include "globals.h" +#define DPMS_SERVER +#include <X11/extensions/dpms.h> + +extern int vgaHWGetIndex(void); + +/* + * access macro + */ +#define VGAHWPTR(p) ((vgaHWPtr)((p)->privates[vgaHWGetIndex()].ptr)) + +/* Standard VGA registers */ +#define VGA_ATTR_INDEX 0x3C0 +#define VGA_ATTR_DATA_W 0x3C0 +#define VGA_ATTR_DATA_R 0x3C1 +#define VGA_IN_STAT_0 0x3C2 /* read */ +#define VGA_MISC_OUT_W 0x3C2 /* write */ +#define VGA_ENABLE 0x3C3 +#define VGA_SEQ_INDEX 0x3C4 +#define VGA_SEQ_DATA 0x3C5 +#define VGA_DAC_MASK 0x3C6 +#define VGA_DAC_READ_ADDR 0x3C7 +#define VGA_DAC_WRITE_ADDR 0x3C8 +#define VGA_DAC_DATA 0x3C9 +#define VGA_FEATURE_R 0x3CA /* read */ +#define VGA_MISC_OUT_R 0x3CC /* read */ +#define VGA_GRAPH_INDEX 0x3CE +#define VGA_GRAPH_DATA 0x3CF + +#define VGA_IOBASE_MONO 0x3B0 +#define VGA_IOBASE_COLOR 0x3D0 + +#define VGA_CRTC_INDEX_OFFSET 0x04 +#define VGA_CRTC_DATA_OFFSET 0x05 +#define VGA_IN_STAT_1_OFFSET 0x0A /* read */ +#define VGA_FEATURE_W_OFFSET 0x0A /* write */ + +/* default number of VGA registers stored internally */ +#define VGA_NUM_CRTC 25 +#define VGA_NUM_SEQ 5 +#define VGA_NUM_GFX 9 +#define VGA_NUM_ATTR 21 + +/* Flags for vgaHWSave() and vgaHWRestore() */ +#define VGA_SR_MODE 0x01 +#define VGA_SR_FONTS 0x02 +#define VGA_SR_CMAP 0x04 +#define VGA_SR_ALL (VGA_SR_MODE | VGA_SR_FONTS | VGA_SR_CMAP) + +/* Defaults for the VGA memory window */ +#define VGA_DEFAULT_PHYS_ADDR 0xA0000 +#define VGA_DEFAULT_MEM_SIZE (64 * 1024) + +/* + * vgaRegRec contains settings of standard VGA registers. + */ +typedef struct { + unsigned char MiscOutReg; /* */ + unsigned char *CRTC; /* Crtc Controller */ + unsigned char *Sequencer; /* Video Sequencer */ + unsigned char *Graphics; /* Video Graphics */ + unsigned char *Attribute; /* Video Atribute */ + unsigned char DAC[768]; /* Internal Colorlookuptable */ + unsigned char numCRTC; /* number of CRTC registers, def=VGA_NUM_CRTC */ + unsigned char numSequencer; /* number of seq registers, def=VGA_NUM_SEQ */ + unsigned char numGraphics; /* number of gfx registers, def=VGA_NUM_GFX */ + unsigned char numAttribute; /* number of attr registers, def=VGA_NUM_ATTR */ +} vgaRegRec, *vgaRegPtr; + +typedef struct _vgaHWRec *vgaHWPtr; + +typedef void (*vgaHWWriteIndexProcPtr)(vgaHWPtr hwp, CARD8 indx, CARD8 value); +typedef CARD8 (*vgaHWReadIndexProcPtr)(vgaHWPtr hwp, CARD8 indx); +typedef void (*vgaHWWriteProcPtr)(vgaHWPtr hwp, CARD8 value); +typedef CARD8 (*vgaHWReadProcPtr)(vgaHWPtr hwp); +typedef void (*vgaHWMiscProcPtr)(vgaHWPtr hwp); + + +/* + * vgaHWRec contains per-screen information required by the vgahw module. + * + * Note, the palette referred to by the paletteEnabled, enablePalette and + * disablePalette is the 16-entry (+overscan) EGA-compatible palette accessed + * via the first 17 attribute registers and not the main 8-bit palette. + */ +typedef struct _vgaHWRec { + pointer Base; /* Address of "VGA" memory */ + int MapSize; /* Size of "VGA" memory */ + unsigned long MapPhys; /* phys location of VGA mem */ + int IOBase; /* I/O Base address */ + CARD8 * MMIOBase; /* Pointer to MMIO start */ + int MMIOOffset; /* base + offset + vgareg + = mmioreg */ + pointer FontInfo1; /* save area for fonts in + plane 2 */ + pointer FontInfo2; /* save area for fonts in + plane 3 */ + pointer TextInfo; /* save area for text */ + vgaRegRec SavedReg; /* saved registers */ + vgaRegRec ModeReg; /* register settings for + current mode */ + Bool ShowOverscan; + Bool paletteEnabled; + Bool cmapSaved; + ScrnInfoPtr pScrn; + vgaHWWriteIndexProcPtr writeCrtc; + vgaHWReadIndexProcPtr readCrtc; + vgaHWWriteIndexProcPtr writeGr; + vgaHWReadIndexProcPtr readGr; + vgaHWReadProcPtr readST00; + vgaHWReadProcPtr readST01; + vgaHWReadProcPtr readFCR; + vgaHWWriteProcPtr writeFCR; + vgaHWWriteIndexProcPtr writeAttr; + vgaHWReadIndexProcPtr readAttr; + vgaHWWriteIndexProcPtr writeSeq; + vgaHWReadIndexProcPtr readSeq; + vgaHWWriteProcPtr writeMiscOut; + vgaHWReadProcPtr readMiscOut; + vgaHWMiscProcPtr enablePalette; + vgaHWMiscProcPtr disablePalette; + vgaHWWriteProcPtr writeDacMask; + vgaHWReadProcPtr readDacMask; + vgaHWWriteProcPtr writeDacWriteAddr; + vgaHWWriteProcPtr writeDacReadAddr; + vgaHWWriteProcPtr writeDacData; + vgaHWReadProcPtr readDacData; + pointer ddc; + IOADDRESS PIOOffset; /* offset + vgareg + = pioreg */ + vgaHWReadProcPtr readEnable; + vgaHWWriteProcPtr writeEnable; + struct pci_device *dev; +} vgaHWRec; + +/* Some macros that VGA drivers can use in their ChipProbe() function */ +#define VGAHW_GET_IOBASE() ((inb(VGA_MISC_OUT_R) & 0x01) ? \ + VGA_IOBASE_COLOR : VGA_IOBASE_MONO) + +#define OVERSCAN 0x11 /* Index of OverScan register */ + +/* Flags that define how overscan correction should take place */ +#define KGA_FIX_OVERSCAN 1 /* overcan correction required */ +#define KGA_ENABLE_ON_ZERO 2 /* if possible enable display at beginning */ + /* of next scanline/frame */ +#define KGA_BE_TOT_DEC 4 /* always fix problem by setting blank end */ + /* to total - 1 */ +#define BIT_PLANE 3 /* Which plane we write to in mono mode */ +#define BITS_PER_GUN 6 +#define COLORMAP_SIZE 256 + +#if defined(__powerpc__) || defined(__arm__) || defined(__s390__) +#define DACDelay(hw) /* No legacy VGA support */ +#else +#define DACDelay(hw) \ + do { \ + (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ + (void)inb((hw)->PIOOffset + (hw)->IOBase + VGA_IN_STAT_1_OFFSET); \ + } while (0) +#endif + +/* Function Prototypes */ + +/* vgaHW.c */ + +typedef void vgaHWProtectProc(ScrnInfoPtr, Bool); +typedef void vgaHWBlankScreenProc(ScrnInfoPtr, Bool); + +void vgaHWSetStdFuncs(vgaHWPtr hwp); +void vgaHWSetMmioFuncs(vgaHWPtr hwp, CARD8 *base, int offset); +void vgaHWProtect(ScrnInfoPtr pScrn, Bool on); +vgaHWProtectProc *vgaHWProtectWeak(void); +Bool vgaHWSaveScreen(ScreenPtr pScreen, int mode); +void vgaHWBlankScreen(ScrnInfoPtr pScrn, Bool on); +vgaHWBlankScreenProc *vgaHWBlankScreenWeak(void); +void vgaHWSeqReset(vgaHWPtr hwp, Bool start); +void vgaHWRestoreFonts(ScrnInfoPtr scrninfp, vgaRegPtr restore); +void vgaHWRestoreMode(ScrnInfoPtr scrninfp, vgaRegPtr restore); +void vgaHWRestoreColormap(ScrnInfoPtr scrninfp, vgaRegPtr restore); +void vgaHWRestore(ScrnInfoPtr scrninfp, vgaRegPtr restore, int flags); +void vgaHWSaveFonts(ScrnInfoPtr scrninfp, vgaRegPtr save); +void vgaHWSaveMode(ScrnInfoPtr scrninfp, vgaRegPtr save); +void vgaHWSaveColormap(ScrnInfoPtr scrninfp, vgaRegPtr save); +void vgaHWSave(ScrnInfoPtr scrninfp, vgaRegPtr save, int flags); +Bool vgaHWInit(ScrnInfoPtr scrnp, DisplayModePtr mode); +Bool vgaHWSetRegCounts(ScrnInfoPtr scrp, int numCRTC, int numSequencer, + int numGraphics, int numAttribute); +Bool vgaHWCopyReg(vgaRegPtr dst, vgaRegPtr src); +Bool vgaHWGetHWRec(ScrnInfoPtr scrp); +void vgaHWFreeHWRec(ScrnInfoPtr scrp); +Bool vgaHWMapMem(ScrnInfoPtr scrp); +void vgaHWUnmapMem(ScrnInfoPtr scrp); +void vgaHWGetIOBase(vgaHWPtr hwp); +void vgaHWLock(vgaHWPtr hwp); +void vgaHWUnlock(vgaHWPtr hwp); +void vgaHWEnable(vgaHWPtr hwp); +void vgaHWDisable(vgaHWPtr hwp); +void vgaHWDPMSSet(ScrnInfoPtr pScrn, int PowerManagementMode, int flags); +Bool vgaHWHandleColormaps(ScreenPtr pScreen); +void vgaHWddc1SetSpeed(ScrnInfoPtr pScrn, xf86ddcSpeed speed); +CARD32 vgaHWHBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, + unsigned int Flags); +CARD32 vgaHWVBlankKGA(DisplayModePtr mode, vgaRegPtr regp, int nBits, + unsigned int Flags); +Bool vgaHWAllocDefaultRegs(vgaRegPtr regp); + +DDC1SetSpeedProc vgaHWddc1SetSpeedWeak(void); +SaveScreenProcPtr vgaHWSaveScreenWeak(void); + +#endif /* _VGAHW_H */ diff --git a/xorg-server/hw/xfree86/vgahw/vgaHWmodule.c b/xorg-server/hw/xfree86/vgahw/vgaHWmodule.c new file mode 100644 index 000000000..d5c50d9ca --- /dev/null +++ b/xorg-server/hw/xfree86/vgahw/vgaHWmodule.c @@ -0,0 +1,24 @@ +/* + * Copyright 1998 by The XFree86 Project, Inc + */ + +#ifdef HAVE_XORG_CONFIG_H +#include <xorg-config.h> +#endif + +#include "xf86Module.h" + +static XF86ModuleVersionInfo VersRec = { + "vgahw", + MODULEVENDORSTRING, + MODINFOSTRING1, + MODINFOSTRING2, + XORG_VERSION_CURRENT, + 0, 1, 0, + ABI_CLASS_VIDEODRV, + ABI_VIDEODRV_VERSION, + MOD_CLASS_NONE, + {0, 0, 0, 0} +}; + +_X_EXPORT XF86ModuleData vgahwModuleData = { &VersRec, NULL, NULL }; |