/* $NetBSD: s3c2xx0_intr.h,v 1.15 2014/03/14 21:39:29 matt Exp $ */ /* * Copyright (c) 2002, 2003 Fujitsu Component Limited * Copyright (c) 2002, 2003 Genetec Corporation * All rights reserved. * * 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. * 3. Neither the name of The Fujitsu Component Limited nor the name of * Genetec corporation may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC * CORPORATION ``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 FUJITSU COMPONENT LIMITED OR GENETEC * CORPORATION 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. */ /* Derived from i80321_intr.h */ /* * Copyright (c) 2001, 2002 Wasabi Systems, Inc. * All rights reserved. * * Written by Jason R. Thorpe for Wasabi Systems, Inc. * * 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed for the NetBSD Project by * Wasabi Systems, Inc. * 4. The name of Wasabi Systems, Inc. may not be used to endorse * or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC * 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 _S3C2XX0_INTR_H_ #define _S3C2XX0_INTR_H_ #include #include #include #include #include #include typedef int (* s3c2xx0_irq_handler_t)(void *); extern volatile uint32_t *s3c2xx0_intr_mask_reg; extern volatile int intr_mask; extern volatile int global_intr_mask; #ifdef __HAVE_FAST_SOFTINTS extern volatile int softint_pending; #endif extern int s3c2xx0_imask[]; extern int s3c2xx0_ilevel[]; void s3c2xx0_update_intr_masks( int, int ); static inline void s3c2xx0_mask_interrupts(int mask) { int save = disable_interrupts(I32_bit); global_intr_mask &= ~mask; s3c2xx0_update_hw_mask(); restore_interrupts(save); } static inline void s3c2xx0_unmask_interrupts(int mask) { int save = disable_interrupts(I32_bit); global_intr_mask |= mask; s3c2xx0_update_hw_mask(); restore_interrupts(save); } static inline void s3c2xx0_setipl(int new) { set_curcpl(new); intr_mask = s3c2xx0_imask[curcpl()]; s3c2xx0_update_hw_mask(); #ifdef __HAVE_FAST_SOFTINTS update_softintr_mask(); #endif } static inline void s3c2xx0_splx(int new) { int psw; psw = disable_interrupts(I32_bit); s3c2xx0_setipl(new); restore_interrupts(psw); #ifdef __HAVE_FAST_SOFTINTS cpu_dosoftints(); #endif } static inline int s3c2xx0_splraise(int ipl) { int old, psw; old = curcpl(); if( ipl > old ){ psw = disable_interrupts(I32_bit); s3c2xx0_setipl(ipl); restore_interrupts(psw); } return (old); } static inline int s3c2xx0_spllower(int ipl) { int old = curcpl(); int psw = disable_interrupts(I32_bit); s3c2xx0_splx(ipl); restore_interrupts(psw); return(old); } int _splraise(int); int _spllower(int); void splx(int); #if !defined(EVBARM_SPL_NOINLINE) #define splx(new) s3c2xx0_splx(new) #define _spllower(ipl) s3c2xx0_spllower(ipl) #define _splraise(ipl) s3c2xx0_splraise(ipl) #endif /* !EVBARM_SPL_NOINTR */ /* * interrupt dispatch table. */ #ifdef MULTIPLE_HANDLERS_ON_ONE_IRQ struct intrhand { TAILQ_ENTRY(intrhand) ih_list; /* link on intrq list */ s3c2xx0_irq_handler_t ih_func; /* handler */ void *ih_arg; /* arg for handler */ }; #endif #define IRQNAMESIZE sizeof("s3c2xx0 irq xx") struct s3c2xx0_intr_dispatch { #ifdef MULTIPLE_HANDLERS_ON_ONE_IRQ TAILQ_HEAD(,intrhand) list; #else s3c2xx0_irq_handler_t func; #endif void *cookie; /* NULL for stackframe */ int level; struct evcnt ev; char name[IRQNAMESIZE]; }; /* used by s3c2{80,40,41}0 interrupt handler */ void s3c2xx0_intr_init(struct s3c2xx0_intr_dispatch *, int ); /* initialize some variable so that splfoo() doesn't touch ileegal address during bootstrap */ void s3c2xx0_intr_bootstrap(vaddr_t); #endif /* _S3C2XX0_INTR_H_ */