/* * Copyright 1992-2003 by Alan Hourihane, North Wales, UK. * * 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 Alan Hourihane not be used in * advertising or publicity pertaining to distribution of the software without * specific, written prior permission. Alan Hourihane makes no representations * about the suitability of this software for any purpose. It is provided * "as is" without express or implied warranty. * * ALAN HOURIHANE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO * EVENT SHALL ALAN HOURIHANE 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. * * Authors: Alan Hourihane, <alanh@fairlite.demon.co.uk> * * TridentOutIndReg() and TridentInIndReg() are used to access * the indirect Trident RAMDAC registers only. */ /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/trident/tridentramdac.c,v 1.5 2003/09/05 22:07:29 alanh Exp $ */ #include "xf86.h" #include "xf86_OSproc.h" #include "xf86_ansic.h" #include "xf86PciInfo.h" #include "xf86Pci.h" #include "trident_regs.h" #include "trident.h" void TridentWriteAddress(ScrnInfoPtr pScrn, CARD32 index) { TRIDENTPtr pTrident = TRIDENTPTR(pScrn); MMIO_OUTB(0x3C6, 0xFF); MMIO_OUTB(0x3C8, index); } void TridentWriteData(ScrnInfoPtr pScrn, unsigned char data) { TRIDENTPtr pTrident = TRIDENTPTR(pScrn); MMIO_OUTB(0x3C9, data); } void TridentReadAddress(ScrnInfoPtr pScrn, CARD32 index) { TRIDENTPtr pTrident = TRIDENTPTR(pScrn); MMIO_OUTB(0x3C6, 0xFF); MMIO_OUTB(0x3C7, index); } unsigned char TridentReadData(ScrnInfoPtr pScrn) { TRIDENTPtr pTrident = TRIDENTPTR(pScrn); return(MMIO_INB(0x3C9)); }