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Diffstat (limited to 'include/linux/mc146818rtc.h')
| -rw-r--r-- | include/linux/mc146818rtc.h | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/include/linux/mc146818rtc.h b/include/linux/mc146818rtc.h deleted file mode 100644 index 0644d92b3c..0000000000 --- a/include/linux/mc146818rtc.h +++ /dev/null @@ -1,86 +0,0 @@ -/* mc146818rtc.h - register definitions for the Real-Time-Clock / CMOS RAM - * Copyright Torsten Duwe <duwe@informatik.uni-erlangen.de> 1993 - * derived from Data Sheet, Copyright Motorola 1984 (!). - * It was written to be part of the Linux operating system. - */ -/* permission is hereby granted to copy, modify and redistribute this code - * in terms of the GNU Library General Public License, Version 2 or later, - * at your option. - */ - -#ifndef _MC146818RTC_H -#define _MC146818RTC_H - -#include <asm/io.h> -#include <linux/rtc.h> /* get the user-level API */ -#include <asm/mc146818rtc.h> /* register access macros */ - -/********************************************************************** - * register summary - **********************************************************************/ -#define RTC_SECONDS 0 -#define RTC_SECONDS_ALARM 1 -#define RTC_MINUTES 2 -#define RTC_MINUTES_ALARM 3 -#define RTC_HOURS 4 -#define RTC_HOURS_ALARM 5 -/* RTC_*_alarm is always true if 2 MSBs are set */ -# define RTC_ALARM_DONT_CARE 0xC0 - -#define RTC_DAY_OF_WEEK 6 -#define RTC_DAY_OF_MONTH 7 -#define RTC_MONTH 8 -#define RTC_YEAR 9 - -/* control registers - Moto names - */ -#define RTC_REG_A 10 -#define RTC_REG_B 11 -#define RTC_REG_C 12 -#define RTC_REG_D 13 - -/********************************************************************** - * register details - **********************************************************************/ -#define RTC_FREQ_SELECT RTC_REG_A - -/* update-in-progress - set to "1" 244 microsecs before RTC goes off the bus, - * reset after update (may take 1.984ms @ 32768Hz RefClock) is complete, - * totalling to a max high interval of 2.228 ms. - */ -# define RTC_UIP 0x80 -# define RTC_DIV_CTL 0x70 - /* divider control: refclock values 4.194 / 1.049 MHz / 32.768 kHz */ -# define RTC_REF_CLCK_4MHZ 0x00 -# define RTC_REF_CLCK_1MHZ 0x10 -# define RTC_REF_CLCK_32KHZ 0x20 - /* 2 values for divider stage reset, others for "testing purposes only" */ -# define RTC_DIV_RESET1 0x60 -# define RTC_DIV_RESET2 0x70 - /* Periodic intr. / Square wave rate select. 0=none, 1=32.8kHz,... 15=2Hz */ -# define RTC_RATE_SELECT 0x0F - -/**********************************************************************/ -#define RTC_CONTROL RTC_REG_B -# define RTC_SET 0x80 /* disable updates for clock setting */ -# define RTC_PIE 0x40 /* periodic interrupt enable */ -# define RTC_AIE 0x20 /* alarm interrupt enable */ -# define RTC_UIE 0x10 /* update-finished interrupt enable */ -# define RTC_SQWE 0x08 /* enable square-wave output */ -# define RTC_DM_BINARY 0x04 /* all time/date values are BCD if clear */ -# define RTC_24H 0x02 /* 24 hour mode - else hours bit 7 means pm */ -# define RTC_DST_EN 0x01 /* auto switch DST - works f. USA only */ - -/**********************************************************************/ -#define RTC_INTR_FLAGS RTC_REG_C -/* caution - cleared by read */ -# define RTC_IRQF 0x80 /* any of the following 3 is active */ -# define RTC_PF 0x40 -# define RTC_AF 0x20 -# define RTC_UF 0x10 - -/**********************************************************************/ -#define RTC_VALID RTC_REG_D -# define RTC_VRT 0x80 /* valid RAM and time */ -/**********************************************************************/ -#endif /* _MC146818RTC_H */ |