rtc-std.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- *
- * RTC routines for PC style attached Dallas chip.
- *
- * Copyright (C) 1998, 2001 by Ralf Baechle
- */
- #include <linux/mc146818rtc.h>
- #include <asm/io.h>
- static unsigned char std_rtc_read_data(unsigned long addr)
- {
- outb_p(addr, RTC_PORT(0));
- return inb_p(RTC_PORT(1));
- }
- static void std_rtc_write_data(unsigned char data, unsigned long addr)
- {
- outb_p(addr, RTC_PORT(0));
- outb_p(data, RTC_PORT(1));
- }
- static int std_rtc_bcd_mode(void)
- {
- return 1;
- }
- struct rtc_ops std_rtc_ops = {
- &std_rtc_read_data,
- &std_rtc_write_data,
- &std_rtc_bcd_mode
- };