124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
/**************************************************************************
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Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
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All Rights Reserved.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sub license, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice (including the
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next paragraph) shall be included in all copies or substantial portions
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of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
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ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/tdfx/tdfx_io.c,v 1.6 2000/08/25 16:25:36 tsi Exp $ */
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/*
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* Authors:
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* Daryll Strauss <daryll@precisioninsight.com>
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "xf86.h"
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#include "xf86_OSproc.h"
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#include "compiler.h"
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#include "tdfx.h"
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#define minb(b, p) MMIO_IN8((b), (p))
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#define moutb(b, p,v) MMIO_OUT8((b), (p),(v))
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#define minl(b, p) MMIO_IN32((b), (p))
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#define moutl(b, p,v) MMIO_OUT32((b), (p),(v))
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static void TDFXWriteControlPIO(TDFXPtr pTDFX, int addr, char index, char val) {
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outb(pTDFX->PIOBase[0]+addr, index);
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outb(pTDFX->PIOBase[0]+addr+1, val);
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}
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static char TDFXReadControlPIO(TDFXPtr pTDFX, int addr, char index) {
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outb(pTDFX->PIOBase[0]+addr, index);
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return inb(pTDFX->PIOBase[0]+addr+1);
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}
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static void TDFXWriteChipLongPIO(TDFXPtr pTDFX, int chip, int addr, int val) {
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outl(pTDFX->PIOBase[chip]+addr, val);
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}
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static int TDFXReadChipLongPIO(TDFXPtr pTDFX, int chip, int addr) {
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return inl(pTDFX->PIOBase[chip]+addr);
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}
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static void TDFXWriteLongPIO(TDFXPtr pTDFX, int addr, int val) {
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TDFXWriteChipLongPIO(pTDFX, 0, addr, val);
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}
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static int TDFXReadLongPIO(TDFXPtr pTDFX, int addr) {
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return TDFXReadChipLongPIO(pTDFX, 0, addr);
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}
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void TDFXSetPIOAccess(TDFXPtr pTDFX) {
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if (!pTDFX->PIOBase[0])
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ErrorF("Can not set PIO Access before PIOBase[0]\n");
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pTDFX->writeControl=TDFXWriteControlPIO;
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pTDFX->readControl=TDFXReadControlPIO;
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pTDFX->writeLong=TDFXWriteLongPIO;
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pTDFX->readLong=TDFXReadLongPIO;
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pTDFX->readChipLong=TDFXReadChipLongPIO;
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pTDFX->writeChipLong=TDFXWriteChipLongPIO;
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}
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static void TDFXWriteControlMMIO(TDFXPtr pTDFX, int addr, char index, char val) {
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moutb(pTDFX->MMIOBase[0], addr, index);
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moutb(pTDFX->MMIOBase[0], addr+1, val);
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}
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static char TDFXReadControlMMIO(TDFXPtr pTDFX, int addr, char index) {
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moutb(pTDFX->MMIOBase[0], addr, index);
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return minb(pTDFX->MMIOBase[0], addr+1);
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}
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void TDFXWriteChipLongMMIO(TDFXPtr pTDFX, int chip, int addr, int val) {
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moutl(pTDFX->MMIOBase[chip], addr, val);
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}
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static int TDFXReadChipLongMMIO(TDFXPtr pTDFX, int chip, int addr) {
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return minl(pTDFX->MMIOBase[chip], addr);
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}
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void TDFXWriteLongMMIO(TDFXPtr pTDFX, int addr, int val) {
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TDFXWriteChipLongMMIO(pTDFX, 0, addr, val);
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}
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int TDFXReadLongMMIO(TDFXPtr pTDFX, int addr) {
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return TDFXReadChipLongMMIO(pTDFX, 0, addr);
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}
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void TDFXSetMMIOAccess(TDFXPtr pTDFX) {
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if (!pTDFX->MMIOBase[0])
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ErrorF("Can not set MMIO access before MMIOBase[0]\n");
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pTDFX->writeControl=TDFXWriteControlMMIO;
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pTDFX->readControl=TDFXReadControlMMIO;
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pTDFX->writeLong=TDFXWriteLongMMIO;
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pTDFX->readLong=TDFXReadLongMMIO;
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pTDFX->writeChipLong=TDFXWriteChipLongMMIO;
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pTDFX->readChipLong=TDFXReadChipLongMMIO;
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}
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