intr.h revision 1.7
1/* $NetBSD: intr.h,v 1.7 2006/02/09 18:03:12 gdamore Exp $ */ 2 3/*- 4 * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39#ifndef _EVBMIPS_INTR_H_ 40#define _EVBMIPS_INTR_H_ 41 42#include <sys/device.h> 43#include <sys/lock.h> 44#include <sys/queue.h> 45 46#define IPL_NONE 0 /* disable only this interrupt */ 47 48#define IPL_SOFT 1 /* generic software interrupts */ 49#define IPL_SOFTCLOCK 2 /* clock software interrupts */ 50#define IPL_SOFTNET 3 /* network software interrupts */ 51#define IPL_SOFTSERIAL 4 /* serial software interrupts */ 52 53#define IPL_BIO 5 /* disable block I/O interrupts */ 54#define IPL_NET 6 /* disable network interrupts */ 55#define IPL_TTY 7 /* disable terminal interrupts */ 56#define IPL_LPT IPL_TTY 57#define IPL_VM IPL_TTY 58#define IPL_SERIAL 7 /* disable serial interrupts */ 59#define IPL_CLOCK 8 /* disable clock interrupts */ 60#define IPL_STATCLOCK IPL_CLOCK 61#define IPL_SCHED IPL_CLOCK 62#define IPL_HIGH 8 /* disable all interrupts */ 63#define IPL_LOCK IPL_HIGH 64 65#define _IPL_NSOFT 4 /* max soft IPL + 1 */ 66#define _IPL_N 9 /* max IPL + 1 */ 67 68#define _IPL_SI0_FIRST IPL_SOFT 69#define _IPL_SI0_LAST IPL_SOFTCLOCK 70 71#define _IPL_SI1_FIRST IPL_SOFTNET 72#define _IPL_SI1_LAST IPL_SOFTSERIAL 73 74#define IPL_SOFTNAMES { \ 75 "misc", \ 76 "clock", \ 77 "net", \ 78 "serial", \ 79} 80 81#define IST_UNUSABLE -1 /* interrupt cannot be used */ 82#define IST_NONE 0 /* none (dummy) */ 83#define IST_PULSE 1 /* pulsed */ 84#define IST_EDGE 2 /* edge-triggered */ 85#define IST_LEVEL 3 /* level-triggered */ 86#define IST_LEVEL_HIGH 4 /* level triggered, active high */ 87#define IST_LEVEL_LOW 5 /* level triggered, active low */ 88 89#ifdef _KERNEL 90 91extern const uint32_t ipl_sr_bits[_IPL_N]; 92extern const uint32_t ipl_si_to_sr[_IPL_NSOFT]; 93 94extern int _splraise(int); 95extern int _spllower(int); 96extern int _splset(int); 97extern int _splget(int); 98extern int _splnone(int); 99extern int _setsoftintr(int); 100extern int _clrsoftintr(int); 101 102#define spl0() (void) _spllower(0) 103#define splx(s) (void) _splset(s) 104 105#define splsoft() _splraise(ipl_sr_bits[IPL_SOFT]) 106 107#define spllowersoftclock() _spllower(ipl_sr_bits[IPL_SOFTCLOCK]) 108 109#define splraiseipl(x) _splraise(ipl_sr_bits[x]) 110 111#include <sys/spl.h> 112 113struct evbmips_intrhand { 114 LIST_ENTRY(evbmips_intrhand) ih_q; 115 int (*ih_func)(void *); 116 void *ih_arg; 117 int ih_irq; 118}; 119 120#include <mips/softintr.h> 121 122void evbmips_intr_init(void); 123void intr_init(void); 124void evbmips_iointr(uint32_t, uint32_t, uint32_t, uint32_t); 125void *evbmips_intr_establish(int, int (*)(void *), void *); 126void evbmips_intr_disestablish(void *); 127#endif /* _KERNEL */ 128#endif /* ! _EVBMIPS_INTR_H_ */ 129