From 8a6d48c0542876eb3acfc0970c0ab7872db08d5f Mon Sep 17 00:00:00 2001 From: Zheng Da Date: Sun, 6 Dec 2009 05:26:23 +0100 Subject: check in the original version of dde linux26. --- libdde_linux26/contrib/include/linux/acpi_pmtmr.h | 40 +++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 libdde_linux26/contrib/include/linux/acpi_pmtmr.h (limited to 'libdde_linux26/contrib/include/linux/acpi_pmtmr.h') diff --git a/libdde_linux26/contrib/include/linux/acpi_pmtmr.h b/libdde_linux26/contrib/include/linux/acpi_pmtmr.h new file mode 100644 index 00000000..7e3d2859 --- /dev/null +++ b/libdde_linux26/contrib/include/linux/acpi_pmtmr.h @@ -0,0 +1,40 @@ +#ifndef _ACPI_PMTMR_H_ +#define _ACPI_PMTMR_H_ + +#include + +/* 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; +} + +extern void pmtimer_wait(unsigned); + +#else + +static inline u32 acpi_pm_read_early(void) +{ + return 0; +} + +#endif + +#endif + -- cgit v1.2.3