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d23ee8fe6e
Fix the collision of rtc function name. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*
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* Copyright (C) 2001, 2002, MontaVista Software Inc.
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* Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
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* Copyright (c) 2003 Maciej W. Rozycki
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*
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* include/asm-mips/time.h
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* header file for the new style time.c file and time services.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* Please refer to Documentation/mips/time.README.
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*/
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#ifndef _ASM_TIME_H
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#define _ASM_TIME_H
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#include <linux/interrupt.h>
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#include <linux/linkage.h>
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#include <linux/ptrace.h>
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#include <linux/rtc.h>
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#include <linux/spinlock.h>
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extern spinlock_t rtc_lock;
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/*
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* RTC ops. By default, they point to no-RTC functions.
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* rtc_mips_get_time - mktime(year, mon, day, hour, min, sec) in seconds.
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* rtc_mips_set_time - reverse the above translation and set time to RTC.
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* rtc_mips_set_mmss - similar to rtc_set_time, but only min and sec need
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* to be set. Used by RTC sync-up.
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*/
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extern unsigned long (*rtc_mips_get_time)(void);
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extern int (*rtc_mips_set_time)(unsigned long);
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extern int (*rtc_mips_set_mmss)(unsigned long);
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/*
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* Timer interrupt functions.
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* mips_timer_state is needed for high precision timer calibration.
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* mips_timer_ack may be NULL if the interrupt is self-recoverable.
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*/
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extern int (*mips_timer_state)(void);
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extern void (*mips_timer_ack)(void);
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/*
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* High precision timer functions.
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* If mips_hpt_read is NULL, an R4k-compatible timer setup is attempted.
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*/
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extern unsigned int (*mips_hpt_read)(void);
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extern void (*mips_hpt_init)(unsigned int);
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/*
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* to_tm() converts system time back to (year, mon, day, hour, min, sec).
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* It is intended to help implement rtc_set_time() functions.
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* Copied from PPC implementation.
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*/
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extern void to_tm(unsigned long tim, struct rtc_time *tm);
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/*
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* do_gettimeoffset(). By default, this func pointer points to
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* do_null_gettimeoffset(), which leads to the same resolution as HZ.
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* Higher resolution versions are available, which give ~1us resolution.
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*/
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extern unsigned long (*do_gettimeoffset)(void);
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/*
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* high-level timer interrupt routines.
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*/
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extern irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
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/*
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* the corresponding low-level timer interrupt routine.
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*/
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extern asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
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/*
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* profiling and process accouting is done separately in local_timer_interrupt
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*/
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extern void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
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extern asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs);
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/*
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* board specific routines required by time_init().
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* board_time_init is defaulted to NULL and can remain so.
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* board_timer_setup must be setup properly in machine setup routine.
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*/
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struct irqaction;
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extern void (*board_time_init)(void);
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extern void (*board_timer_setup)(struct irqaction *irq);
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/*
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* mips_hpt_frequency - must be set if you intend to use an R4k-compatible
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* counter as a timer interrupt source; otherwise it can be set up
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* automagically with an aid of mips_timer_state.
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*/
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extern unsigned int mips_hpt_frequency;
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#endif /* _ASM_TIME_H */
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