forked from mirrors/linux
		
	This file is unused since the apic unification in 2.6.29, but nobody noticed. Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
		
			
				
	
	
		
			38 lines
		
	
	
	
		
			635 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
	
		
			635 B
		
	
	
	
		
			C
		
	
	
	
	
	
#ifndef _ACPI_PMTMR_H_
 | 
						|
#define _ACPI_PMTMR_H_
 | 
						|
 | 
						|
#include <linux/clocksource.h>
 | 
						|
 | 
						|
/* Number of PMTMR ticks expected during calibration run */
 | 
						|
#define PMTMR_TICKS_PER_SEC 3579545
 | 
						|
 | 
						|
/* limit it to 24 bits */
 | 
						|
#define ACPI_PM_MASK CLOCKSOURCE_MASK(24)
 | 
						|
 | 
						|
/* Overrun value */
 | 
						|
#define ACPI_PM_OVRRUN	(1<<24)
 | 
						|
 | 
						|
#ifdef CONFIG_X86_PM_TIMER
 | 
						|
 | 
						|
extern u32 acpi_pm_read_verified(void);
 | 
						|
extern u32 pmtmr_ioport;
 | 
						|
 | 
						|
static inline u32 acpi_pm_read_early(void)
 | 
						|
{
 | 
						|
	if (!pmtmr_ioport)
 | 
						|
		return 0;
 | 
						|
	/* mask the output to 24 bits */
 | 
						|
	return acpi_pm_read_verified() & ACPI_PM_MASK;
 | 
						|
}
 | 
						|
 | 
						|
#else
 | 
						|
 | 
						|
static inline u32 acpi_pm_read_early(void)
 | 
						|
{
 | 
						|
	return 0;
 | 
						|
}
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
#endif
 | 
						|
 |