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upc.h
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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 //
39 // For IO mapped
40 //
41 
42 #ifdef IO_MAP
43 
44 #define VNSvInPortB(dwIOAddress, pbyData) { \
45  *(pbyData) = inb(dwIOAddress); \
46 }
47 
48 
49 #define VNSvInPortW(dwIOAddress, pwData) { \
50  *(pwData) = inw(dwIOAddress); \
51 }
52 
53 #define VNSvInPortD(dwIOAddress, pdwData) { \
54  *(pdwData) = inl(dwIOAddress); \
55 }
56 
57 
58 #define VNSvOutPortB(dwIOAddress, byData) { \
59  outb(byData, dwIOAddress); \
60 }
61 
62 
63 #define VNSvOutPortW(dwIOAddress, wData) { \
64  outw(wData, dwIOAddress); \
65 }
66 
67 #define VNSvOutPortD(dwIOAddress, dwData) { \
68  outl(dwData, dwIOAddress); \
69 }
70 
71 #else
72 
73 //
74 // For memory mapped IO
75 //
76 
77 
78 #define VNSvInPortB(dwIOAddress, pbyData) { \
79  volatile unsigned char * pbyAddr = ((unsigned char *)(dwIOAddress)); \
80  *(pbyData) = readb(pbyAddr); \
81 }
82 
83 
84 #define VNSvInPortW(dwIOAddress, pwData) { \
85  volatile unsigned short *pwAddr = ((unsigned short *)(dwIOAddress)); \
86  *(pwData) = readw(pwAddr); \
87 }
88 
89 #define VNSvInPortD(dwIOAddress, pdwData) { \
90  volatile unsigned long *pdwAddr = ((unsigned long *)(dwIOAddress)); \
91  *(pdwData) = readl(pdwAddr); \
92 }
93 
94 
95 #define VNSvOutPortB(dwIOAddress, byData) { \
96  volatile unsigned char * pbyAddr = ((unsigned char *)(dwIOAddress)); \
97  writeb((unsigned char)byData, pbyAddr); \
98 }
99 
100 
101 #define VNSvOutPortW(dwIOAddress, wData) { \
102  volatile unsigned short *pwAddr = ((unsigned short *)(dwIOAddress)); \
103  writew((unsigned short)wData, pwAddr); \
104 }
105 
106 #define VNSvOutPortD(dwIOAddress, dwData) { \
107  volatile unsigned long *pdwAddr = ((unsigned long *)(dwIOAddress)); \
108  writel((unsigned long)dwData, pdwAddr); \
109 }
110 
111 #endif
112 
113 
114 //
115 // ALWAYS IO-Mapped IO when in 16-bit/32-bit environment
116 //
117 #define PCBvInPortB(dwIOAddress, pbyData) { \
118  *(pbyData) = inb(dwIOAddress); \
119 }
120 
121 #define PCBvInPortW(dwIOAddress, pwData) { \
122  *(pwData) = inw(dwIOAddress); \
123 }
124 
125 #define PCBvInPortD(dwIOAddress, pdwData) { \
126  *(pdwData) = inl(dwIOAddress); \
127 }
128 
129 #define PCBvOutPortB(dwIOAddress, byData) { \
130  outb(byData, dwIOAddress); \
131 }
132 
133 #define PCBvOutPortW(dwIOAddress, wData) { \
134  outw(wData, dwIOAddress); \
135 }
136 
137 #define PCBvOutPortD(dwIOAddress, dwData) { \
138  outl(dwData, dwIOAddress); \
139 }
140 
141 
142 #define PCAvDelayByIO(uDelayUnit) { \
143  unsigned char byData; \
144  unsigned long ii; \
145  \
146  if (uDelayUnit <= 50) { \
147  udelay(uDelayUnit); \
148  } \
149  else { \
150  for (ii = 0; ii < (uDelayUnit); ii++) \
151  byData = inb(0x61); \
152  } \
153 }
154 
155 
156 /*--------------------- Export Classes ----------------------------*/
157 
158 /*--------------------- Export Variables --------------------------*/
159 
160 /*--------------------- Export Functions --------------------------*/
161 
162 
163 
164 
165 #endif // __UPC_H__
166