/* $NetBSD: intr.h,v 1.16 2008/04/28 20:23:17 martin Exp $ */ /*- * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _EVBMIPS_INTR_H_ #define _EVBMIPS_INTR_H_ #include <sys/queue.h> #define IPL_NONE 0 /* disable only this interrupt */ #define IPL_SOFTCLOCK 1 /* software interrupts */ #define IPL_SOFTBIO 1 /* software interrupts */ #define IPL_SOFTNET 2 /* software interrupts */ #define IPL_SOFTSERIAL 2 /* software interrupts */ #define IPL_VM 3 #define IPL_SCHED 4 #define IPL_HIGH 4 #define _IPL_N 5 /* max IPL + 1 */ #define _IPL_SI0_FIRST IPL_SOFTCLOCK #define _IPL_SI0_LAST IPL_SOFTBIO #define _IPL_SI1_FIRST IPL_SOFTNET #define _IPL_SI1_LAST IPL_SOFTSERIAL #define IST_UNUSABLE -1 /* interrupt cannot be used */ #define IST_NONE 0 /* none (dummy) */ #define IST_PULSE 1 /* pulsed */ #define IST_EDGE 2 /* edge-triggered */ #define IST_LEVEL 3 /* level-triggered */ #define IST_LEVEL_HIGH 4 /* level triggered, active high */ #define IST_LEVEL_LOW 5 /* level triggered, active low */ #ifdef _KERNEL #include <mips/locore.h> extern const uint32_t ipl_sr_bits[_IPL_N]; #define spl0() (void) _spllower(0) #define splx(s) (void) _splset(s) #define splsoft() _splraise(ipl_sr_bits[IPL_SOFT]) typedef int ipl_t; typedef struct { ipl_t _sr; } ipl_cookie_t; static inline ipl_cookie_t makeiplcookie(ipl_t ipl) { return (ipl_cookie_t){._sr = ipl_sr_bits[ipl]}; } static inline int splraiseipl(ipl_cookie_t icookie) { return _splraise(icookie._sr); } #include <sys/spl.h> struct evbmips_intrhand { LIST_ENTRY(evbmips_intrhand) ih_q; int (*ih_func)(void *); void *ih_arg; int ih_irq; }; #include <mips/softintr.h> void evbmips_intr_init(void); void intr_init(void); void evbmips_iointr(uint32_t, uint32_t, uint32_t, uint32_t); void *evbmips_intr_establish(int, int (*)(void *), void *); void evbmips_intr_disestablish(void *); #endif /* _KERNEL */ #endif /* ! _EVBMIPS_INTR_H_ */