1/**************************************************************************
2
3Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
4All Rights Reserved.
5
6Permission is hereby granted, free of charge, to any person obtaining a
7copy of this software and associated documentation files (the
8"Software"), to deal in the Software without restriction, including
9without limitation the rights to use, copy, modify, merge, publish,
10distribute, sub license, and/or sell copies of the Software, and to
11permit persons to whom the Software is furnished to do so, subject to
12the following conditions:
13
14The above copyright notice and this permission notice (including the
15next paragraph) shall be included in all copies or substantial portions
16of the Software.
17
18THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR
22ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25
26**************************************************************************/
27
28/*
29 * Authors:
30 *   Daryll Strauss <daryll@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
49static 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
54static 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
59static void TDFXWriteChipLongPIO(TDFXPtr pTDFX, int chip, int addr, int val) {
60  outl(pTDFX->PIOBase[chip]+addr, val);
61}
62
63static int TDFXReadChipLongPIO(TDFXPtr pTDFX, int chip, int addr) {
64  return inl(pTDFX->PIOBase[chip]+addr);
65}
66
67static void TDFXWriteLongPIO(TDFXPtr pTDFX, int addr, int val) {
68  TDFXWriteChipLongPIO(pTDFX, 0, addr, val);
69}
70
71static int TDFXReadLongPIO(TDFXPtr pTDFX, int addr) {
72  return TDFXReadChipLongPIO(pTDFX, 0, addr);
73}
74
75void 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
86static 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
91static 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
96void TDFXWriteChipLongMMIO(TDFXPtr pTDFX, int chip, int addr, int val) {
97  moutl(pTDFX->MMIOBase[chip], addr, val);
98}
99
100static int TDFXReadChipLongMMIO(TDFXPtr pTDFX, int chip, int addr) {
101  return minl(pTDFX->MMIOBase[chip], addr);
102}
103
104void TDFXWriteLongMMIO(TDFXPtr pTDFX, int addr, int val) {
105  TDFXWriteChipLongMMIO(pTDFX, 0, addr, val);
106}
107
108int TDFXReadLongMMIO(TDFXPtr pTDFX, int addr) {
109  return TDFXReadChipLongMMIO(pTDFX, 0, addr);
110}
111
112void 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