summaryrefslogtreecommitdiffstats
path: root/arch/mips64/lib/rtc-std.c
blob: a4a6ead814f82bd953d0e3101c71609c9dc92fd8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
/* $Id: rtc-std.c,v 1.1 1999/08/21 21:43:01 ralf Exp $
 *
 * 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 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
};