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/*
* $Id: time.h,v 1.12 1999/08/27 04:21:23 cort Exp $
* Common time prototypes and such for all ppc machines.
*
* Written by Cort Dougan (cort@cs.nmt.edu) to merge
* Paul Mackerras' version and mine for PReP and Pmac.
*/
#include <linux/config.h>
#include <linux/mc146818rtc.h>
#include <asm/processor.h>
/* time.c */
extern unsigned decrementer_count;
extern unsigned count_period_num;
extern unsigned count_period_den;
extern unsigned long mktime(unsigned int, unsigned int, unsigned int,
unsigned int, unsigned int, unsigned int);
extern void to_tm(int tim, struct rtc_time * tm);
extern time_t last_rtc_update;
int via_calibrate_decr(void);
/* Accessor functions for the decrementer register. */
static __inline__ unsigned int get_dec(void)
{
#if defined(CONFIG_4xx)
return (mfspr(SPRN_PIT));
#else
return (mfspr(SPRN_DEC));
#endif
}
static __inline__ void set_dec(unsigned int val)
{
#if defined(CONFIG_4xx)
mtspr(SPRN_PIT, val);
#else
mtspr(SPRN_DEC, val);
#endif
}
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