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      1 /**************************************************************************
      2 
      3 Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
      4 All Rights Reserved.
      5 
      6 Permission is hereby granted, free of charge, to any person obtaining a
      7 copy of this software and associated documentation files (the
      8 "Software"), to deal in the Software without restriction, including
      9 without limitation the rights to use, copy, modify, merge, publish,
     10 distribute, sub license, and/or sell copies of the Software, and to
     11 permit persons to whom the Software is furnished to do so, subject to
     12 the following conditions:
     13 
     14 The above copyright notice and this permission notice (including the
     15 next paragraph) shall be included in all copies or substantial portions
     16 of the Software.
     17 
     18 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21 IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
     22 ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23 TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25 
     26 **************************************************************************/
     27 
     28 /*
     29  * Authors:
     30  *   Daryll Strauss <daryll (at) precisioninsight.com>
     31  *
     32  */
     33 
     34 #ifdef HAVE_CONFIG_H
     35 #include "config.h"
     36 #endif
     37 
     38 #include "xf86.h"
     39 #include "xf86_OSproc.h"
     40 #include "compiler.h"
     41 
     42 #include "tdfx.h"
     43 
     44 #define minb(b, p) MMIO_IN8((b), (p))
     45 #define moutb(b, p,v) MMIO_OUT8((b), (p),(v))
     46 #define minl(b, p) MMIO_IN32((b), (p))
     47 #define moutl(b, p,v) MMIO_OUT32((b), (p),(v))
     48 
     49 static void TDFXWriteControlPIO(TDFXPtr pTDFX, int addr, char index, char val) {
     50   outb(pTDFX->PIOBase[0]+addr, index);
     51   outb(pTDFX->PIOBase[0]+addr+1, val);
     52 }
     53 
     54 static char TDFXReadControlPIO(TDFXPtr pTDFX, int addr, char index) {
     55   outb(pTDFX->PIOBase[0]+addr, index);
     56   return inb(pTDFX->PIOBase[0]+addr+1);
     57 }
     58 
     59 static void TDFXWriteChipLongPIO(TDFXPtr pTDFX, int chip, int addr, int val) {
     60   outl(pTDFX->PIOBase[chip]+addr, val);
     61 }
     62 
     63 static int TDFXReadChipLongPIO(TDFXPtr pTDFX, int chip, int addr) {
     64   return inl(pTDFX->PIOBase[chip]+addr);
     65 }
     66 
     67 static void TDFXWriteLongPIO(TDFXPtr pTDFX, int addr, int val) {
     68   TDFXWriteChipLongPIO(pTDFX, 0, addr, val);
     69 }
     70 
     71 static int TDFXReadLongPIO(TDFXPtr pTDFX, int addr) {
     72   return TDFXReadChipLongPIO(pTDFX, 0, addr);
     73 }
     74 
     75 void TDFXSetPIOAccess(TDFXPtr pTDFX) {
     76   if (!pTDFX->PIOBase[0])
     77     ErrorF("Can not set PIO Access before PIOBase[0]\n");
     78   pTDFX->writeControl=TDFXWriteControlPIO;
     79   pTDFX->readControl=TDFXReadControlPIO;
     80   pTDFX->writeLong=TDFXWriteLongPIO;
     81   pTDFX->readLong=TDFXReadLongPIO;
     82   pTDFX->readChipLong=TDFXReadChipLongPIO;
     83   pTDFX->writeChipLong=TDFXWriteChipLongPIO;
     84 }
     85 
     86 static void TDFXWriteControlMMIO(TDFXPtr pTDFX, int addr, char index, char val) {
     87   moutb(pTDFX->MMIOBase[0], addr, index);
     88   moutb(pTDFX->MMIOBase[0], addr+1, val);
     89 }
     90 
     91 static char TDFXReadControlMMIO(TDFXPtr pTDFX, int addr, char index) {
     92   moutb(pTDFX->MMIOBase[0], addr, index);
     93   return minb(pTDFX->MMIOBase[0], addr+1);
     94 }
     95 
     96 void TDFXWriteChipLongMMIO(TDFXPtr pTDFX, int chip, int addr, int val) {
     97   moutl(pTDFX->MMIOBase[chip], addr, val);
     98 }
     99 
    100 static int TDFXReadChipLongMMIO(TDFXPtr pTDFX, int chip, int addr) {
    101   return minl(pTDFX->MMIOBase[chip], addr);
    102 }
    103 
    104 void TDFXWriteLongMMIO(TDFXPtr pTDFX, int addr, int val) {
    105   TDFXWriteChipLongMMIO(pTDFX, 0, addr, val);
    106 }
    107 
    108 int TDFXReadLongMMIO(TDFXPtr pTDFX, int addr) {
    109   return TDFXReadChipLongMMIO(pTDFX, 0, addr);
    110 }
    111 
    112 void TDFXSetMMIOAccess(TDFXPtr pTDFX) {
    113   if (!pTDFX->MMIOBase[0])
    114     ErrorF("Can not set MMIO access before MMIOBase[0]\n");
    115   pTDFX->writeControl=TDFXWriteControlMMIO;
    116   pTDFX->readControl=TDFXReadControlMMIO;
    117   pTDFX->writeLong=TDFXWriteLongMMIO;
    118   pTDFX->readLong=TDFXReadLongMMIO;
    119   pTDFX->writeChipLong=TDFXWriteChipLongMMIO;
    120   pTDFX->readChipLong=TDFXReadChipLongMMIO;
    121 }
    122 
    123