File: rtc-jazz.c

package info (click to toggle)
kernel-source-2.4.14 2.4.14-1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 139,160 kB
  • ctags: 428,423
  • sloc: ansic: 2,435,554; asm: 141,119; makefile: 8,258; sh: 3,099; perl: 2,561; yacc: 1,177; cpp: 755; tcl: 577; lex: 352; awk: 251; lisp: 218; sed: 72
file content (35 lines) | stat: -rw-r--r-- 770 bytes parent folder | download | duplicates (9) 
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
 
/*
 * 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 Jazz style attached Dallas chip.
 *
 * Copyright (C) 1998, 2001 by Ralf Baechle
 */
#include <linux/mc146818rtc.h>
#include <asm/io.h>
#include <asm/jazz.h>

static unsigned char jazz_rtc_read_data(unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	return *(char *)JAZZ_RTC_BASE;
}

static void jazz_rtc_write_data(unsigned char data, unsigned long addr)
{
	outb_p(addr, RTC_PORT(0));
	*(char *)JAZZ_RTC_BASE = data;
}

static int jazz_rtc_bcd_mode(void)
{
	return 0;
}

struct rtc_ops jazz_rtc_ops = {
	&jazz_rtc_read_data,
	&jazz_rtc_write_data,
	&jazz_rtc_bcd_mode
};