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