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