blk: rq_data_dir() should not return a boolean
[cris-mirror.git] / arch / mips / include / asm / mach-jazz / mc146818rtc.h
blob987f727afe25e1d5638b479e963e906669a5bd05
1 /*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
6 * Copyright (C) 1998, 2001, 03 by Ralf Baechle
7 * Copyright (C) 2007 Thomas Bogendoerfer
9 * RTC routines for Jazz style attached Dallas chip.
11 #ifndef __ASM_MACH_JAZZ_MC146818RTC_H
12 #define __ASM_MACH_JAZZ_MC146818RTC_H
14 #include <linux/delay.h>
16 #include <asm/io.h>
17 #include <asm/jazz.h>
19 #define RTC_PORT(x) (0x70 + (x))
20 #define RTC_IRQ 8
22 static inline unsigned char CMOS_READ(unsigned long addr)
24 outb_p(addr, RTC_PORT(0));
25 return *(volatile char *)JAZZ_RTC_BASE;
28 static inline void CMOS_WRITE(unsigned char data, unsigned long addr)
30 outb_p(addr, RTC_PORT(0));
31 *(volatile char *)JAZZ_RTC_BASE = data;
34 #define RTC_ALWAYS_BCD 0
36 #define mc146818_decode_year(year) ((year) + 1980)
38 #endif /* __ASM_MACH_JAZZ_MC146818RTC_H */