at91aicvar.h revision 1.2
1 1.2 matt /* $NetBSD: at91aicvar.h,v 1.2 2008/07/03 01:15:38 matt Exp $ */ 2 1.2 matt 3 1.2 matt /* 4 1.2 matt * Copyright (c) 2007 Embedtronics Oy 5 1.2 matt * All rights reserved. 6 1.2 matt * 7 1.2 matt * Redistribution and use in source and binary forms, with or without 8 1.2 matt * modification, are permitted provided that the following conditions 9 1.2 matt * are met: 10 1.2 matt * 1. Redistributions of source code must retain the above copyright 11 1.2 matt * notice, this list of conditions and the following disclaimer. 12 1.2 matt * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 matt * notice, this list of conditions and the following disclaimer in the 14 1.2 matt * documentation and/or other materials provided with the distribution. 15 1.2 matt * 3. All advertising materials mentioning features or use of this software 16 1.2 matt * must display the following acknowledgement: 17 1.2 matt * This product includes software developed by Ichiro FUKUHARA. 18 1.2 matt * 4. The name of the company nor the name of the author may be used to 19 1.2 matt * endorse or promote products derived from this software without specific 20 1.2 matt * prior written permission. 21 1.2 matt * 22 1.2 matt * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 23 1.2 matt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 1.2 matt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 1.2 matt * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 26 1.2 matt * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 1.2 matt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 1.2 matt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 1.2 matt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 1.2 matt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 1.2 matt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 1.2 matt * SUCH DAMAGE. 33 1.2 matt */ 34 1.2 matt 35 1.2 matt #ifndef _AT91AICVAR_H_ 36 1.2 matt #define _AT91AICVAR_H_ 37 1.2 matt 38 1.2 matt struct intrhand { 39 1.2 matt TAILQ_ENTRY(intrhand) ih_list; /* link on intrq list */ 40 1.2 matt int (*ih_func)(void *); /* interrupt handler */ 41 1.2 matt void *ih_arg; /* arg for handler */ 42 1.2 matt int ih_ipl; /* IPL_* */ 43 1.2 matt int ih_irq; /* IRQ number */ 44 1.2 matt }; 45 1.2 matt 46 1.2 matt #define IRQNAMESIZE sizeof("aic irq xxx") 47 1.2 matt 48 1.2 matt struct intrq { 49 1.2 matt TAILQ_HEAD(, intrhand) iq_list; /* handler list */ 50 1.2 matt struct evcnt iq_ev; /* event counter */ 51 1.2 matt u_int32_t iq_levels; /* IPL_*'s this IRQ has */ 52 1.2 matt char iq_name[IRQNAMESIZE]; /* interrupt name */ 53 1.2 matt int iq_type; /* interrupt request type: */ 54 1.2 matt #define _INTR_LOW_LEVEL 1 /* interrupt when signal at low level */ 55 1.2 matt #define INTR_HIGH_LEVEL 2 /* interrupt when signal at high level */ 56 1.2 matt #define INTR_FALLING_EDGE 4 /* interrupt on falling edge */ 57 1.2 matt #define INTR_RISING_EDGE 8 /* interrupt on rising edge */ 58 1.2 matt #define INTR_MASK 0xF 59 1.2 matt volatile int iq_busy; /* set if irq is busy */ 60 1.2 matt }; 61 1.2 matt 62 1.2 matt void at91aic_init(void); 63 1.2 matt void *at91aic_intr_establish(int irq, int ipl, int type, int (*ih_func)(void *), void *arg); 64 1.2 matt void at91aic_intr_disestablish(void *cookie); 65 1.2 matt void at91aic_intr_poll(void *ihp, int flags); 66 1.2 matt void at91aic_intr_dispatch(struct irqframe *frame); 67 1.2 matt 68 1.2 matt #endif /* _AT91AICVAR_H_ */ 69
Indexes created Fri Sep 26 20:09:58 GMT 2025