1 /* $NetBSD: intr.h,v 1.26 2009/03/21 06:11:08 uwe 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef _SH3_INTR_H_ 30 #define _SH3_INTR_H_ 31 32 #include <sh3/psl.h> 33 34 /* Interrupt sharing types. */ 35 #define IST_NONE 0 /* none */ 36 #define IST_PULSE 1 /* pulsed */ 37 #define IST_EDGE 2 /* edge-triggered */ 38 #define IST_LEVEL 3 /* level-triggered */ 39 40 /* Interrupt priority levels */ 41 #define _IPL_N 16 42 #define _IPL_NSOFT 4 43 44 #define IPL_NONE 0 /* nothing */ 45 #define IPL_SOFTCLOCK 1 46 #define IPL_SOFTBIO 2 /* timeouts */ 47 #define IPL_SOFTNET 3 /* protocol stacks */ 48 #define IPL_SOFTSERIAL 4 /* serial */ 49 50 struct intc_intrhand { 51 int (*ih_func)(void *); 52 void *ih_arg; 53 int ih_level; /* SR.I[0:3] value */ 54 int ih_evtcode; /* INTEVT or INTEVT2(SH7709/SH7709A) */ 55 int ih_idx; /* evtcode -> intrhand mapping */ 56 }; 57 58 /* from 0x200 by 0x20 -> from 0 by 1 */ 59 #define EVTCODE_TO_MAP_INDEX(x) (((x) >> 5) - 0x10) 60 #define EVTCODE_TO_IH_INDEX(x) \ 61 __intc_evtcode_to_ih[EVTCODE_TO_MAP_INDEX(x)] 62 #define EVTCODE_IH(x) (&__intc_intrhand[EVTCODE_TO_IH_INDEX(x)]) 63 extern int8_t __intc_evtcode_to_ih[]; 64 extern struct intc_intrhand __intc_intrhand[]; 65 66 void intc_init(void); 67 void *intc_intr_establish(int, int, int, int (*)(void *), void *); 68 void intc_intr_disestablish(void *); 69 void intc_intr_enable(int); 70 void intc_intr_disable(int); 71 void intc_intr(int, int, int); 72 73 void intpri_intr_priority(int evtcode, int level); 74 75 #endif /* !_SH3_INTR_H_ */ 76