FreeBSD/Linux Kernel Cross Reference
sys/include/asm-mips64/time.h

     /*
      * Copyright (C) 2001, 2002, MontaVista Software Inc.
      * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
      * Copyright (c) 2003  Maciej W. Rozycki
      *
      * include/asm-mips/time.h
      *     header file for the new style time.c file and time services.
      *
      * This program is free software; you can redistribute  it and/or modify it
     * under  the terms of  the GNU General  Public License as published by the
     * Free Software Foundation;  either version 2 of the  License, or (at your
     * option) any later version.
     *
     */
    
    /*
     * Please refer to Documentation/mips/time.README.
     */
    
    #ifndef _ASM_TIME_H
    #define _ASM_TIME_H
    
    #include <linux/ptrace.h>               /* for struct pt_regs */
    #include <linux/linkage.h>              /* for asmlinkage */
    #include <linux/rtc.h>                  /* for struct rtc_time */
    
    /*
     * RTC ops.  By default, they point to no-RTC functions.
     *      rtc_get_time - mktime(year, mon, day, hour, min, sec) in seconds.
     *      rtc_set_time - reverse the above translation and set time to RTC.
     *      rtc_set_mmss - similar to rtc_set_time, but only min and sec need
     *                      to be set.  Used by RTC sync-up.
     */
    extern unsigned long (*rtc_get_time)(void);
    extern int (*rtc_set_time)(unsigned long);
    extern int (*rtc_set_mmss)(unsigned long);
    
    /*
     * Timer interrupt ack function.
     * May be NULL if the interrupt is self-recoverable.
     */
    extern void (*mips_timer_ack)(void);
    
    /*
     * High precision timer functions.
     * If mips_hpt_read is NULL, an R4k-compatible timer setup is attempted.
     */
    extern unsigned int (*mips_hpt_read)(void);
    extern void (*mips_hpt_init)(unsigned int);
    
    /*
     * to_tm() converts system time back to (year, mon, day, hour, min, sec).
     * It is intended to help implement rtc_set_time() functions.
     * Copied from PPC implementation.
     */
    extern void to_tm(unsigned long tim, struct rtc_time *tm);
    
    /*
     * do_gettimeoffset(). By default, this func pointer points to
     * do_null_gettimeoffset(), which leads to the same resolution as HZ.
     * Higher resolution versions are available, which give ~1us resolution.
     */
    extern unsigned long (*do_gettimeoffset)(void);
    
    /*
     * high-level timer interrupt routines.
     */
    extern void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
    
    /*
     * the corresponding low-level timer interrupt routine.
     */
    extern asmlinkage void ll_timer_interrupt(int irq, struct pt_regs *regs);
    
    /*
     * profiling and process accouting is done separately in local_timer_interrupt
     */
    extern void local_timer_interrupt(int irq, void *dev_id, struct pt_regs *regs);
    extern asmlinkage void ll_local_timer_interrupt(int irq, struct pt_regs *regs);
    
    /*
     * board specific routines required by time_init().
     * board_time_init is defaulted to NULL and can remain so.
     * board_timer_setup must be setup properly in machine setup routine.
     */
    struct irqaction;
    extern void (*board_time_init)(void);
    extern void (*board_timer_setup)(struct irqaction *irq);
    
    /*
     * mips_counter_frequency - must be set if you intend to use
     * counter as timer interrupt source or use fixed_rate_gettimeoffset.
     */
    extern unsigned int mips_counter_frequency;
    
    #endif /* _ASM_TIME_H */

Cache object: 815bab2b10d2613aa1cf4afd16b71e2b