drivers/staging/vt6655/upc.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: upc.h
  20  *
  21  * Purpose: Macros to access device
  22  *
  23  * Author: Tevin Chen
  24  *
  25  * Date: Mar 17, 1997
  26  *
  27  */
  28
  29
  30 #ifndef __UPC_H__
  31 #define __UPC_H__
  32
  33 #if !defined(DEVICE_H)
  34 #include "device.h"
  35 #endif
  36 #if !defined(__TTYPE_H__)
  37 #include "ttype.h"
  38 #endif
  39
  40 /*---------------------  Export Definitions -------------------------*/
  41
  42
  43 //
  44 //  For IO mapped
  45 //
  46
  47 #ifdef IO_MAP
  48
  49 #define VNSvInPortB(dwIOAddress, pbyData) {                     \
  50         *(pbyData) = inb(dwIOAddress);                              \
  51 }
  52
  53
  54 #define VNSvInPortW(dwIOAddress, pwData) {                      \
  55             *(pwData) = inw(dwIOAddress);                           \
  56 }
  57
  58 #define VNSvInPortD(dwIOAddress, pdwData) {                     \
  59             *(pdwData) = inl(dwIOAddress);                          \
  60 }
  61
  62
  63 #define VNSvOutPortB(dwIOAddress, byData) {                     \
  64         outb(byData, dwIOAddress);                              \
  65 }
  66
  67
  68 #define VNSvOutPortW(dwIOAddress, wData) {                      \
  69         outw(wData, dwIOAddress);                               \
  70 }
  71
  72 #define VNSvOutPortD(dwIOAddress, dwData) {                     \
  73         outl(dwData, dwIOAddress);                              \
  74 }
  75
  76 #else
  77
  78 //
  79 //  For memory mapped IO
  80 //
  81
  82
  83 #define VNSvInPortB(dwIOAddress, pbyData) {                     \
  84         volatile BYTE* pbyAddr = ((PBYTE)(dwIOAddress));            \
  85         *(pbyData) = readb(pbyAddr);                           \
  86 }
  87
  88
  89 #define VNSvInPortW(dwIOAddress, pwData) {                      \
  90         volatile WORD* pwAddr = ((PWORD)(dwIOAddress));             \
  91         *(pwData) = readw(pwAddr);                             \
  92 }
  93
  94 #define VNSvInPortD(dwIOAddress, pdwData) {                     \
  95         volatile DWORD* pdwAddr = ((PDWORD)(dwIOAddress));          \
  96         *(pdwData) = readl(pdwAddr);                           \
  97 }
  98
  99
 100 #define VNSvOutPortB(dwIOAddress, byData) {                     \
 101     volatile BYTE* pbyAddr = ((PBYTE)(dwIOAddress));            \
 102     writeb((BYTE)byData, pbyAddr);                                                      \
 103 }
 104
 105
 106 #define VNSvOutPortW(dwIOAddress, wData) {                      \
 107     volatile WORD* pwAddr = ((PWORD)(dwIOAddress));             \
 108     writew((WORD)wData, pwAddr);                                                        \
 109 }
 110
 111 #define VNSvOutPortD(dwIOAddress, dwData) {                     \
 112     volatile DWORD* pdwAddr = ((PDWORD)(dwIOAddress));          \
 113     writel((DWORD)dwData, pdwAddr);                                         \
 114 }
 115
 116 #endif
 117
 118
 119 //
 120 // ALWAYS IO-Mapped IO when in 16-bit/32-bit environment
 121 //
 122 #define PCBvInPortB(dwIOAddress, pbyData) {     \
 123             *(pbyData) = inb(dwIOAddress);          \
 124 }
 125
 126 #define PCBvInPortW(dwIOAddress, pwData) {      \
 127             *(pwData) = inw(dwIOAddress);           \
 128 }
 129
 130 #define PCBvInPortD(dwIOAddress, pdwData) {     \
 131             *(pdwData) = inl(dwIOAddress);          \
 132 }
 133
 134 #define PCBvOutPortB(dwIOAddress, byData) {     \
 135         outb(byData, dwIOAddress);              \
 136 }
 137
 138 #define PCBvOutPortW(dwIOAddress, wData) {      \
 139         outw(wData, dwIOAddress);               \
 140 }
 141
 142 #define PCBvOutPortD(dwIOAddress, dwData) {     \
 143         outl(dwData, dwIOAddress);              \
 144 }
 145
 146
 147 #define PCAvDelayByIO(uDelayUnit) {             \
 148     BYTE    byData;                             \
 149     ULONG   ii;                                 \
 150                                                 \
 151     if (uDelayUnit <= 50) {                     \
 152         udelay(uDelayUnit);                     \
 153     }                                           \
 154     else {                                      \
 155         for (ii = 0; ii < (uDelayUnit); ii++)   \
 156                      byData = inb(0x61);                                \
 157     }                                           \
 158 }
 159
 160
 161 /*---------------------  Export Classes  ----------------------------*/
 162
 163 /*---------------------  Export Variables  --------------------------*/
 164
 165 /*---------------------  Export Functions  --------------------------*/
 166
 167
 168
 169
 170 #endif // __UPC_H__
 171