linux-vybrid_public/arch/blackfin/include/asm/bfin_simple_timer.h

#ifndef _bfin_simple_timer_h_
#define _bfin_simple_timer_h_

#include <linux/ioctl.h>

#define BFIN_SIMPLE_TIMER_IOCTL_MAGIC 't'

#define BFIN_SIMPLE_TIMER_SET_PERIOD _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC,  2)
#define BFIN_SIMPLE_TIMER_START      _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC,  6)
#define BFIN_SIMPLE_TIMER_STOP       _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC,  8)
#define BFIN_SIMPLE_TIMER_READ       _IO (BFIN_SIMPLE_TIMER_IOCTL_MAGIC, 10)

#endif