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  * File: upc.h
  16  *
  17  * Purpose: Macros to access device
  18  *
  19  * Author: Tevin Chen
  20  *
  21  * Date: Mar 17, 1997
  22  *
  23  */
  24
  25 #ifndef __UPC_H__
  26 #define __UPC_H__
  27
  28 #include "device.h"
  29
  30 /*---------------------  Export Definitions -------------------------*/
  31
  32
  33 /* For memory mapped IO */
  34
  35
  36 #define VNSvInPortB(dwIOAddress, pbyData) \
  37         (*(pbyData) = ioread8(dwIOAddress))
  38
  39 #define VNSvInPortW(dwIOAddress, pwData) \
  40         (*(pwData) = ioread16(dwIOAddress))
  41
  42 #define VNSvInPortD(dwIOAddress, pdwData) \
  43         (*(pdwData) = ioread32(dwIOAddress))
  44
  45 #define VNSvOutPortB(dwIOAddress, byData) \
  46         iowrite8((u8)(byData), dwIOAddress)
  47
  48 #define VNSvOutPortW(dwIOAddress, wData) \
  49         iowrite16((u16)(wData), dwIOAddress)
  50
  51 #define VNSvOutPortD(dwIOAddress, dwData) \
  52         iowrite32((u32)(dwData), dwIOAddress)
  53
  54 #define PCAvDelayByIO(uDelayUnit)                               \
  55 do {                                                            \
  56         unsigned char byData;                                   \
  57         unsigned long ii;                                       \
  58                                                                 \
  59         if (uDelayUnit <= 50) {                                 \
  60                 udelay(uDelayUnit);                             \
  61         } else {                                                \
  62                 for (ii = 0; ii < (uDelayUnit); ii++)           \
  63                         byData = inb(0x61);                     \
  64         }                                                       \
  65 } while (0)
  66
  67 /*---------------------  Export Classes  ----------------------------*/
  68
  69 /*---------------------  Export Variables  --------------------------*/
  70
  71 /*---------------------  Export Functions  --------------------------*/
  72
  73 #endif /* __UPC_H__ */