From 55f4e4a5ec657a017e3bf75299ad71fd1c968dd3 Mon Sep 17 00:00:00 2001 From: The Android Open Source Project Date: Tue, 21 Oct 2008 07:00:00 -0700 Subject: Initial Contribution --- hpet.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 hpet.h (limited to 'hpet.h') diff --git a/hpet.h b/hpet.h new file mode 100644 index 0000000..754051a --- /dev/null +++ b/hpet.h @@ -0,0 +1,22 @@ +#ifndef __HPET__ +#define __HPET__ 1 + + + +struct hpet_info { + unsigned long hi_ireqfreq; /* Hz */ + unsigned long hi_flags; /* information */ + unsigned short hi_hpet; + unsigned short hi_timer; +}; + +#define HPET_INFO_PERIODIC 0x0001 /* timer is periodic */ + +#define HPET_IE_ON _IO('h', 0x01) /* interrupt on */ +#define HPET_IE_OFF _IO('h', 0x02) /* interrupt off */ +#define HPET_INFO _IOR('h', 0x03, struct hpet_info) +#define HPET_EPI _IO('h', 0x04) /* enable periodic */ +#define HPET_DPI _IO('h', 0x05) /* disable periodic */ +#define HPET_IRQFREQ _IOW('h', 0x6, unsigned long) /* IRQFREQ usec */ + +#endif /* !__HPET__ */ -- cgit v1.1