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      1 /*	$NetBSD: intr.h,v 1.27 2018/10/14 00:10:11 tsutsui 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _MACHINE_INTR_H_
     33 #define _MACHINE_INTR_H_
     34 
     35 #include <mips/intr.h>
     36 
     37 #ifdef _KERNEL
     38 #ifdef __INTR_PRIVATE
     39 
     40 #include <sys/evcnt.h>
     41 
     42 extern const struct ipl_sr_map newmips_ipl_sr_map;
     43 
     44 struct newsmips_intrhand {
     45 	LIST_ENTRY(newsmips_intrhand) ih_q;
     46 	struct evcnt intr_count;
     47 	int (*ih_func)(void *);
     48 	void *ih_arg;
     49 	u_int ih_level;
     50 	u_int ih_mask;
     51 	u_int ih_priority;
     52 };
     53 
     54 struct newsmips_intr {
     55 	LIST_HEAD(,newsmips_intrhand) intr_q;
     56 };
     57 
     58 /*
     59  * Index into intrcnt[], which is defined in locore
     60  */
     61 #define SERIAL0_INTR	0
     62 #define SERIAL1_INTR	1
     63 #define SERIAL2_INTR	2
     64 #define LANCE_INTR	3
     65 #define SCSI_INTR	4
     66 #define ERROR_INTR	5
     67 #define HARDCLOCK_INTR	6
     68 #define FPU_INTR	7
     69 #define SLOT1_INTR	8
     70 #define SLOT2_INTR	9
     71 #define SLOT3_INTR	10
     72 #define FLOPPY_INTR	11
     73 #define STRAY_INTR	12
     74 
     75 extern u_int intrcnt[];
     76 
     77 /* handle i/o device interrupts */
     78 void news3400_intr(int, vaddr_t, uint32_t);
     79 void news5000_intr(int, vaddr_t, uint32_t);
     80 void news4000_intr(int, vaddr_t, uint32_t);
     81 extern void (*hardware_intr)(int, vaddr_t, uint32_t);
     82 
     83 extern void (*enable_intr)(void);
     84 extern void (*disable_intr)(void);
     85 extern void (*enable_timer)(void);
     86 
     87 #endif /* __INTR_PRIVATE */
     88 #endif /* _KERNEL */
     89 #endif /* _MACHINE_INTR_H_ */
     90