drivers/staging/vt6656/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 #ifndef __UPC_H__
  30 #define __UPC_H__
  31
  32 #include "device.h"
  33 #include "ttype.h"
  34
  35 /*---------------------  Export Definitions -------------------------*/
  36
  37
  38 //
  39 //  For IO mapped
  40 //
  41
  42 #ifdef IO_MAP
  43
  44 #define VNSvInPortB(dwIOAddress, pbyData) {                     \
  45         *(pbyData) = inb(dwIOAddress);                              \
  46 }
  47
  48
  49 #define VNSvInPortW(dwIOAddress, pwData) {                      \
  50             *(pwData) = inw(dwIOAddress);                           \
  51 }
  52
  53 #define VNSvInPortD(dwIOAddress, pdwData) {                     \
  54             *(pdwData) = inl(dwIOAddress);                          \
  55 }
  56
  57
  58 #define VNSvOutPortB(dwIOAddress, byData) {                     \
  59         outb(byData, dwIOAddress);                              \
  60 }
  61
  62
  63 #define VNSvOutPortW(dwIOAddress, wData) {                      \
  64         outw(wData, dwIOAddress);                               \
  65 }
  66
  67 #define VNSvOutPortD(dwIOAddress, dwData) {                     \
  68         outl(dwData, dwIOAddress);                              \
  69 }
  70
  71 #else
  72
  73 //
  74 //  For memory mapped IO
  75 //
  76
  77
  78 #define VNSvInPortB(dwIOAddress, pbyData) {                     \
  79         volatile BYTE* pbyAddr = ((PBYTE)(dwIOAddress));            \
  80         *(pbyData) = readb(pbyAddr);                           \
  81 }
  82
  83
  84 #define VNSvInPortW(dwIOAddress, pwData) {                      \
  85         volatile WORD* pwAddr = ((PWORD)(dwIOAddress));             \
  86         *(pwData) = readw(pwAddr);                             \
  87 }
  88
  89 #define VNSvInPortD(dwIOAddress, pdwData) {                     \
  90         volatile DWORD* pdwAddr = ((PDWORD)(dwIOAddress));          \
  91         *(pdwData) = readl(pdwAddr);                           \
  92 }
  93
  94
  95 #define VNSvOutPortB(dwIOAddress, byData) {                     \
  96     volatile BYTE* pbyAddr = ((PBYTE)(dwIOAddress));            \
  97     writeb((BYTE)byData, pbyAddr);                                                      \
  98 }
  99
 100
 101 #define VNSvOutPortW(dwIOAddress, wData) {                      \
 102     volatile WORD* pwAddr = ((PWORD)(dwIOAddress));             \
 103     writew((WORD)wData, pwAddr);                                                        \
 104 }
 105
 106 #define VNSvOutPortD(dwIOAddress, dwData) {                     \
 107     volatile DWORD* pdwAddr = ((PDWORD)(dwIOAddress));          \
 108     writel((DWORD)dwData, pdwAddr);                                         \
 109 }
 110
 111 #endif
 112
 113
 114 //
 115 // ALWAYS IO-Mapped IO when in 16-bit/32-bit environment
 116 //
 117 #define PCBvInPortB(dwIOAddress, pbyData) {     \
 118             *(pbyData) = inb(dwIOAddress);          \
 119 }
 120
 121 #define PCBvInPortW(dwIOAddress, pwData) {      \
 122             *(pwData) = inw(dwIOAddress);           \
 123 }
 124
 125 #define PCBvInPortD(dwIOAddress, pdwData) {     \
 126             *(pdwData) = inl(dwIOAddress);          \
 127 }
 128
 129 #define PCBvOutPortB(dwIOAddress, byData) {     \
 130         outb(byData, dwIOAddress);              \
 131 }
 132
 133 #define PCBvOutPortW(dwIOAddress, wData) {      \
 134         outw(wData, dwIOAddress);               \
 135 }
 136
 137 #define PCBvOutPortD(dwIOAddress, dwData) {     \
 138         outl(dwData, dwIOAddress);              \
 139 }
 140
 141
 142 #define PCAvDelayByIO(uDelayUnit) {             \
 143     BYTE    byData;                             \
 144     unsigned long   ii;                                 \
 145                                                 \
 146     if (uDelayUnit <= 50) {                     \
 147         udelay(uDelayUnit);                     \
 148     }                                           \
 149     else {                                      \
 150         for (ii = 0; ii < (uDelayUnit); ii++)   \
 151                      byData = inb(0x61);                                \
 152     }                                           \
 153 }
 154
 155
 156 /*---------------------  Export Classes  ----------------------------*/
 157
 158 /*---------------------  Export Variables  --------------------------*/
 159
 160 /*---------------------  Export Functions  --------------------------*/
 161
 162 #endif /* __UPC_H__ */