1 /* $NetBSD: intr.h,v 1.23 2007/12/03 15:34:19 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the NetBSD 18 * Foundation, Inc. and its contributors. 19 * 4. Neither the name of The NetBSD Foundation nor the names of its 20 * contributors may be used to endorse or promote products derived 21 * from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 24 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 25 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 27 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 30 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 31 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 32 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33 * POSSIBILITY OF SUCH DAMAGE. 34 */ 35 36 #ifndef _SH3_INTR_H_ 37 #define _SH3_INTR_H_ 38 39 #include <sys/device.h> 40 #include <sys/lock.h> 41 #include <sys/queue.h> 42 #include <sh3/psl.h> 43 44 /* Interrupt sharing types. */ 45 #define IST_NONE 0 /* none */ 46 #define IST_PULSE 1 /* pulsed */ 47 #define IST_EDGE 2 /* edge-triggered */ 48 #define IST_LEVEL 3 /* level-triggered */ 49 50 /* Interrupt priority levels */ 51 #define _IPL_N 8 52 #define _IPL_NSOFT 4 53 54 #define IPL_NONE 0 /* nothing */ 55 #define IPL_SOFTCLOCK 1 56 #define IPL_SOFTBIO 2 /* timeouts */ 57 #define IPL_SOFTNET 3 /* protocol stacks */ 58 #define IPL_SOFTSERIAL 4 /* serial */ 59 60 struct intc_intrhand { 61 int (*ih_func)(void *); 62 void *ih_arg; 63 int ih_level; /* SR.I[0:3] value */ 64 int ih_evtcode; /* INTEVT or INTEVT2(SH7709/SH7709A) */ 65 int ih_idx; /* evtcode -> intrhand mapping */ 66 }; 67 68 /* from 0x200 by 0x20 -> from 0 by 1 */ 69 #define EVTCODE_TO_MAP_INDEX(x) (((x) >> 5) - 0x10) 70 #define EVTCODE_TO_IH_INDEX(x) \ 71 __intc_evtcode_to_ih[EVTCODE_TO_MAP_INDEX(x)] 72 #define EVTCODE_IH(x) (&__intc_intrhand[EVTCODE_TO_IH_INDEX(x)]) 73 extern int8_t __intc_evtcode_to_ih[]; 74 extern struct intc_intrhand __intc_intrhand[]; 75 76 void intc_init(void); 77 void *intc_intr_establish(int, int, int, int (*)(void *), void *); 78 void intc_intr_disestablish(void *); 79 void intc_intr_enable(int); 80 void intc_intr_disable(int); 81 void intc_intr(int, int, int); 82 83 void intpri_intr_priority(int evtcode, int level); 84 85 #endif /* !_SH3_INTR_H_ */ 86