root/kern/dev/lamebus/ltimer.h

INCLUDED FROM

   1 /*
   2  * Copyright (c) 2000, 2001, 2002, 2003, 2004, 2005, 2008, 2009
   3  *      The President and Fellows of Harvard College.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the University nor the names of its contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _LAMEBUS_LTIMER_H_
  31 #define _LAMEBUS_LTIMER_H_
  33 /*
  34  * Hardware device data for LAMEbus timer device
  35  */
  36 struct ltimer_softc {
  37         /* Initialized by config function */
  38         int lt_hardclock;        /* true if we should call hardclock() */
  39         int lt_timerclock;        /* true if we should call timerclock() */
  41         /* Initialized by lower-level attach routine */
  42         void *lt_bus;           /* bus we're on */
uint32_t lt_buspos;     /* position (slot) on that bus */
  45 };
  47 /* Functions called by lower-level drivers */
  48 void ltimer_irq(/*struct ltimer_softc*/ void *lt);  // interrupt handler
  50 /* Functions called by higher-level devices */
  51 void ltimer_beep(/*struct ltimer_softc*/ void *devdata);   // for beep device
  52 void ltimer_gettime(/*struct ltimer_softc*/ void *devdata,
time_t *secs, uint32_t *nsecs);       // for rtclock
  55 #endif /* _LAMEBUS_LTIMER_H_ */