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