tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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) \
41do { \
42 *(pbyData) = ioread8(dwIOAddress); \
43} while (0)
44
45#define VNSvInPortW(dwIOAddress, pwData) \
46do { \
47 *(pwData) = ioread16(dwIOAddress); \
48} while (0)
49
50#define VNSvInPortD(dwIOAddress, pdwData) \
51do { \
52 *(pdwData) = ioread32(dwIOAddress); \
53} while (0)
54
55#define VNSvOutPortB(dwIOAddress, byData) \
56do { \
57 iowrite8((u8)byData, dwIOAddress); \
58} while (0)
59
60#define VNSvOutPortW(dwIOAddress, wData) \
61do { \
62 iowrite16((u16)wData, dwIOAddress); \
63} while (0)
64
65#define VNSvOutPortD(dwIOAddress, dwData) \
66do { \
67 iowrite32((u32)dwData, dwIOAddress); \
68} while (0)
69
70#define PCAvDelayByIO(uDelayUnit) \
71do { \
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__