mc146818rtc_32.h revision 3e1498c4c4b379780bdb998bd68e5d581beec811
1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 **************************************************************************** 11 ****************************************************************************/ 12#ifndef _ASM_MC146818RTC_H 13#define _ASM_MC146818RTC_H 14 15#include <asm/io.h> 16#include <asm/system.h> 17#include <asm/processor.h> 18#include <linux/mc146818rtc.h> 19 20#ifndef RTC_PORT 21#define RTC_PORT(x) (0x70 + (x)) 22#define RTC_ALWAYS_BCD 1 23#endif 24 25#ifdef __HAVE_ARCH_CMPXCHG 26 27#include <linux/smp.h> 28 29#define lock_cmos_prefix(reg) do { unsigned long cmos_flags; local_irq_save(cmos_flags); lock_cmos(reg) 30#define lock_cmos_suffix(reg) unlock_cmos(); local_irq_restore(cmos_flags); } while (0) 31#else 32#define lock_cmos_prefix(reg) do {} while (0) 33#define lock_cmos_suffix(reg) do {} while (0) 34#define lock_cmos(reg) 35#define unlock_cmos() 36#define do_i_have_lock_cmos() 0 37#define current_lock_cmos_reg() 0 38#endif 39#define CMOS_READ(addr) rtc_cmos_read(addr) 40#define CMOS_WRITE(val, addr) rtc_cmos_write(val, addr) 41 42#define RTC_IRQ 8 43 44#endif 45