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         (*(pbyData) = ioread8(dwIOAddress))
  42
  43 #define VNSvInPortW(dwIOAddress, pwData) \
  44         (*(pwData) = ioread16(dwIOAddress))
  45
  46 #define VNSvInPortD(dwIOAddress, pdwData) \
  47         (*(pdwData) = ioread32(dwIOAddress))
  48
  49 #define VNSvOutPortB(dwIOAddress, byData) \
  50         iowrite8((u8)(byData), dwIOAddress)
  51
  52 #define VNSvOutPortW(dwIOAddress, wData) \
  53         iowrite16((u16)(wData), dwIOAddress)
  54
  55 #define VNSvOutPortD(dwIOAddress, dwData) \
  56         iowrite32((u32)(dwData), dwIOAddress)
  57
  58 #define PCAvDelayByIO(uDelayUnit)                               \
  59 do {                                                            \
  60         unsigned char byData;                                   \
  61         unsigned long ii;                                       \
  62                                                                 \
  63         if (uDelayUnit <= 50) {                                 \
  64                 udelay(uDelayUnit);                             \
  65         } else {                                                \
  66                 for (ii = 0; ii < (uDelayUnit); ii++)           \
  67                         byData = inb(0x61);                     \
  68         }                                                       \
  69 } while (0)
  70
  71 /*---------------------  Export Classes  ----------------------------*/
  72
  73 /*---------------------  Export Variables  --------------------------*/
  74
  75 /*---------------------  Export Functions  --------------------------*/
  76
  77 #endif /* __UPC_H__ */