45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
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/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef _ASM_MC146818RTC_H
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#define _ASM_MC146818RTC_H
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#include <asm/io.h>
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#include <asm/system.h>
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#include <asm/processor.h>
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#include <linux/mc146818rtc.h>
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#ifndef RTC_PORT
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#define RTC_PORT(x) (0x70 + (x))
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#define RTC_ALWAYS_BCD 1
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#endif
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#ifdef __HAVE_ARCH_CMPXCHG
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#include <linux/smp.h>
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#define lock_cmos_prefix(reg) do { unsigned long cmos_flags; local_irq_save(cmos_flags); lock_cmos(reg)
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#define lock_cmos_suffix(reg) unlock_cmos(); local_irq_restore(cmos_flags); } while (0)
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#else
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#define lock_cmos_prefix(reg) do {} while (0)
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#define lock_cmos_suffix(reg) do {} while (0)
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#define lock_cmos(reg)
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#define unlock_cmos()
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#define do_i_have_lock_cmos() 0
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#define current_lock_cmos_reg() 0
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#endif
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#define CMOS_READ(addr) rtc_cmos_read(addr)
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#define CMOS_WRITE(val, addr) rtc_cmos_write(val, addr)
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#define RTC_IRQ 8
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#endif
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