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
  34 /*---------------------  Export Definitions -------------------------*/
  35
  36
  37 /* For memory mapped IO */
  38
  39
  40 #define VNSvInPortB(dwIOAddress, pbyData)                               \
  41 do {                                                                    \
  42         *(pbyData) = ioread8(dwIOAddress);                              \
  43 } while (0)
  44
  45 #define VNSvInPortW(dwIOAddress, pwData)                                \
  46 do {                                                                    \
  47         *(pwData) = ioread16(dwIOAddress);                              \
  48 } while (0)
  49
  50 #define VNSvInPortD(dwIOAddress, pdwData)                               \
  51 do {                                                                    \
  52         *(pdwData) = ioread32(dwIOAddress);                             \
  53 } while (0)
  54
  55 #define VNSvOutPortB(dwIOAddress, byData)                               \
  56 do {                                                                    \
  57         iowrite8((u8)byData, dwIOAddress);                              \
  58 } while (0)
  59
  60 #define VNSvOutPortW(dwIOAddress, wData)                                \
  61 do {                                                                    \
  62         iowrite16((u16)wData, dwIOAddress);                             \
  63 } while (0)
  64
  65 #define VNSvOutPortD(dwIOAddress, dwData)                               \
  66 do {                                                                    \
  67         iowrite32((u32)dwData, dwIOAddress);                            \
  68 } while (0)
  69
  70 #define PCAvDelayByIO(uDelayUnit)                               \
  71 do {                                                            \
  72         unsigned char byData;                                   \
  73         unsigned long ii;                                       \
  74                                                                 \
  75         if (uDelayUnit <= 50) {                                 \
  76                 udelay(uDelayUnit);                             \
  77         } else {                                                \
  78                 for (ii = 0; ii < (uDelayUnit); ii++)           \
  79                         byData = inb(0x61);                     \
  80         }                                                       \
  81 } while (0)
  82
  83 /*---------------------  Export Classes  ----------------------------*/
  84
  85 /*---------------------  Export Variables  --------------------------*/
  86
  87 /*---------------------  Export Functions  --------------------------*/
  88
  89 #endif /* __UPC_H__ */