182 lines
5.8 KiB
C
182 lines
5.8 KiB
C
/* $NetBSD: intr.h,v 1.3 2001/10/27 16:07:45 rearnsha Exp $ */
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/*
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* Copyright (c) 1997 Mark Brinicombe.
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* All rights reserved.
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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 Mark Brinicombe
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* for the NetBSD Project.
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* 4. The name of the company nor the name of the author may be used to
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* endorse or promote products derived from this software without specific
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* prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* 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 _EVBARM_INTR_H_
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#define _EVBARM_INTR_H_
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#ifdef NEWINTR
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/* Define the various Interrupt Priority Levels */
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/* Interrupt Priority Levels are mutually exclusive. */
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#define IPL_NONE 0 /* no interrupts blocked */
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#define IPL_SOFT 1 /* generic soft interrupts */
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#define IPL_SOFTCLOCK 2 /* clock soft interrupts */
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#define IPL_SOFTNET 3 /* network soft interrupts */
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#define IPL_SOFTSERIAL 4 /* serial soft interrupts */
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#define IPL_BIO 5 /* block I/O */
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#define IPL_NET 6 /* network */
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#define IPL_TTY 7 /* terminal */
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#define IPL_IMP 8 /* memory allocation */
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#define IPL_AUDIO 9 /* audio */
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#define IPL_CLOCK 10 /* clock */
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#define IPL_SERIAL 11 /* serial */
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#define IPL_PERF 12 /* peformance monitoring unit */
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#define IPL_HIGH 13 /* blocks all interrupts */
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#define IPL_LEVELS 14
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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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#if defined (_KERNEL) && !defined(_LOCORE)
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#include <sys/queue.h>
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#include <sys/device.h>
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extern int _splraise(int);
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extern int _spllower(int);
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extern int _splget(int);
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extern int _splset(int);
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extern int _splnone(void);
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extern void _softintrset(int);
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extern int _softintrclr(int);
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#define splsoftclock() _splraise(IPL_SOFTCLOCK)
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#define splsoftnet() _splraise(IPL_SOFTNET)
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#define splsoftserial() _splraise(IPL_SOFTSERIAL)
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#define splbio() _splraise(IPL_BIO)
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#define splnet() _splraise(IPL_NET)
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#define spltty() _splraise(IPL_TTY)
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#define splvm() _splraise(IPL_IMP)
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#define splaudio() _splraise(IPL_AUDIO)
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#define splclock() _splraise(IPL_CLOCK)
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#define splserial() _splraise(IPL_SERIAL)
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#define splhigh() _splraise(IPL_HIGH)
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#define spl0() (void) _splnone()
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#define splx(s) (void) _splset(s)
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#define spllock() splhigh()
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#define splsched() splclock()
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#define splstatclock() splclock()
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#define spllowersoftclock() _spllower(IPL_SOFTCLOCK)
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#define setsoftclock() _softintrset(IPL_SOFTCLOCK)
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#define setsoftnet() _softintrset(IPL_SOFTNET)
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#define setsoftserial() _softintrset(IPL_SOFTSERIAL)
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#define _SPL_0 IPL_NONE
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struct intrsource {
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void *is_cookie;
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LIST_ENTRY(evbarm_intrsource) is_link;
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void *(*is_establish)(void *, int, int, int (*)(void *), void *);
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void (*is_disestablish)(void *, void *);
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void (*is_setmask)(int);
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};
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#define intr_establish(src, irq, type, func, arg) \
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(((src)->is_establish)((src)->is_cookie, irq, type, func, arg))
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#define intr_disestablish(src, ih) \
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(((src)->is_disestablish)((src)->is_cookie, ih))
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struct irqhandler {
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LIST_ENTRY(intrhandler) ih_ipllink;
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LIST_ENTRY(intrhandler) ih_srclink;
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int (*ih_func)(void *);
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void *ih_arg;
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int ih_flags;
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int ih_ipl;
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struct evcnt ih_ev;
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};
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struct fiqhandler {
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void (*fh_func)(void); /* handler function */
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size_t fh_size; /* Size of handler function */
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register_t fh_r8; /* FIQ mode r8 */
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register_t fh_r9; /* FIQ mode r9 */
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register_t fh_r10; /* FIQ mode r10 */
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register_t fh_r11; /* FIQ mode r11 */
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register_t fh_r12; /* FIQ mode r12 */
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register_t fh_r13; /* FIQ mode r13 */
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};
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#endif /* _KERNEL */
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#else /* NEWINTR */
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/* This should go away when we port the Integrator code to use NEWINTR */
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/* Define the various Interrupt Priority Levels */
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/* Hardware Interrupt Priority Levels are not mutually exclusive. */
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#define IPL_BIO 0 /* block I/O */
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#define IPL_NET 1 /* network */
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#define IPL_TTY 2 /* terminal */
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#define IPL_IMP 3 /* memory allocation */
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#define IPL_AUDIO 4 /* audio */
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#define IPL_CLOCK 5 /* clock */
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#define IPL_STATCLOCK 6 /* statclock */
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#define IPL_HIGH 7 /* */
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#define IPL_SERIAL 8 /* serial */
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#define IPL_NONE 9
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#define IPL_LEVELS 9
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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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/* Software interrupt priority levels */
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#define SOFTIRQ_CLOCK 0
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#define SOFTIRQ_NET 1
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#define SOFTIRQ_SERIAL 2
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#define SOFTIRQ_BIT(x) (1 << x)
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#include <machine/irqhandler.h>
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#include <machine/psl.h>
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#endif /* NEWINTR */
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#endif /* _EVBARM_INTR_H */
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