129 lines
4.4 KiB
C
129 lines
4.4 KiB
C
/* $NetBSD: intr.h,v 1.8 2006/04/06 06:17:32 simonb Exp $ */
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/*-
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* Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _EVBMIPS_INTR_H_
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#define _EVBMIPS_INTR_H_
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#include <sys/device.h>
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#include <sys/lock.h>
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#include <sys/queue.h>
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#define IPL_NONE 0 /* disable only this interrupt */
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#define IPL_SOFT 1 /* generic software interrupts */
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#define IPL_SOFTCLOCK 2 /* clock software interrupts */
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#define IPL_SOFTNET 3 /* network software interrupts */
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#define IPL_SOFTSERIAL 4 /* serial software interrupts */
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#define IPL_BIO 5 /* disable block I/O interrupts */
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#define IPL_NET 6 /* disable network interrupts */
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#define IPL_TTY 7 /* disable terminal interrupts */
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#define IPL_LPT IPL_TTY
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#define IPL_VM IPL_TTY
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#define IPL_SERIAL 7 /* disable serial interrupts */
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#define IPL_CLOCK 8 /* disable clock interrupts */
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#define IPL_STATCLOCK IPL_CLOCK
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#define IPL_SCHED IPL_CLOCK
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#define IPL_HIGH 8 /* disable all interrupts */
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#define IPL_LOCK IPL_HIGH
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#define _IPL_NSOFT 4 /* max soft IPL + 1 */
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#define _IPL_N 9 /* max IPL + 1 */
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#define _IPL_SI0_FIRST IPL_SOFT
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#define _IPL_SI0_LAST IPL_SOFTCLOCK
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#define _IPL_SI1_FIRST IPL_SOFTNET
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#define _IPL_SI1_LAST IPL_SOFTSERIAL
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#define IPL_SOFTNAMES { \
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"misc", \
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"clock", \
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"net", \
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"serial", \
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}
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#define IST_UNUSABLE -1 /* interrupt cannot be used */
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#define IST_NONE 0 /* none (dummy) */
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#define IST_PULSE 1 /* pulsed */
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#define IST_EDGE 2 /* edge-triggered */
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#define IST_LEVEL 3 /* level-triggered */
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#define IST_LEVEL_HIGH 4 /* level triggered, active high */
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#define IST_LEVEL_LOW 5 /* level triggered, active low */
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#ifdef _KERNEL
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extern const uint32_t ipl_sr_bits[_IPL_N];
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extern const uint32_t ipl_si_to_sr[_IPL_NSOFT];
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extern int _splraise(int);
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extern int _spllower(int);
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extern int _splset(int);
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extern int _splget(int);
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extern int _splnone(int);
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extern int _setsoftintr(int);
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extern int _clrsoftintr(int);
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#define spl0() (void) _spllower(0)
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#define splx(s) (void) _splset(s)
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#define splsoft() _splraise(ipl_sr_bits[IPL_SOFT])
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#define spllowersoftclock() _spllower(ipl_sr_bits[IPL_SOFTCLOCK])
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#define splraiseipl(x) _splraise(ipl_sr_bits[x])
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#include <sys/spl.h>
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struct evbmips_intrhand {
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LIST_ENTRY(evbmips_intrhand) ih_q;
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int (*ih_func)(void *);
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void *ih_arg;
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int ih_irq;
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};
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#include <mips/softintr.h>
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void evbmips_intr_init(void);
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void intr_init(void);
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void evbmips_iointr(uint32_t, uint32_t, uint32_t, uint32_t);
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void *evbmips_intr_establish(int, int (*)(void *), void *);
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void evbmips_intr_disestablish(void *);
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#endif /* _KERNEL */
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#endif /* ! _EVBMIPS_INTR_H_ */
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