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