at91aicvar.h revision 1.3.12.2
1 1.3.12.2 yamt /* $NetBSD: at91aicvar.h,v 1.3.12.2 2013/01/16 05:32:44 yamt 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 * 16 1.2 matt * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR 17 1.2 matt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 1.2 matt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 1.2 matt * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR 20 1.2 matt * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 1.2 matt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 1.2 matt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 1.2 matt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 1.2 matt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 1.2 matt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 1.2 matt * SUCH DAMAGE. 27 1.2 matt */ 28 1.2 matt 29 1.2 matt #ifndef _AT91AICVAR_H_ 30 1.2 matt #define _AT91AICVAR_H_ 31 1.2 matt 32 1.2 matt struct intrhand { 33 1.2 matt TAILQ_ENTRY(intrhand) ih_list; /* link on intrq list */ 34 1.2 matt int (*ih_func)(void *); /* interrupt handler */ 35 1.2 matt void *ih_arg; /* arg for handler */ 36 1.2 matt int ih_ipl; /* IPL_* */ 37 1.2 matt int ih_irq; /* IRQ number */ 38 1.2 matt }; 39 1.2 matt 40 1.2 matt #define IRQNAMESIZE sizeof("aic irq xxx") 41 1.2 matt 42 1.2 matt struct intrq { 43 1.2 matt TAILQ_HEAD(, intrhand) iq_list; /* handler list */ 44 1.2 matt struct evcnt iq_ev; /* event counter */ 45 1.3.12.2 yamt uint32_t iq_levels; /* IPL_*'s this IRQ has */ 46 1.2 matt char iq_name[IRQNAMESIZE]; /* interrupt name */ 47 1.2 matt int iq_type; /* interrupt request type: */ 48 1.2 matt #define _INTR_LOW_LEVEL 1 /* interrupt when signal at low level */ 49 1.2 matt #define INTR_HIGH_LEVEL 2 /* interrupt when signal at high level */ 50 1.2 matt #define INTR_FALLING_EDGE 4 /* interrupt on falling edge */ 51 1.2 matt #define INTR_RISING_EDGE 8 /* interrupt on rising edge */ 52 1.2 matt #define INTR_MASK 0xF 53 1.2 matt volatile int iq_busy; /* set if irq is busy */ 54 1.2 matt }; 55 1.2 matt 56 1.2 matt void at91aic_init(void); 57 1.2 matt void *at91aic_intr_establish(int irq, int ipl, int type, int (*ih_func)(void *), void *arg); 58 1.2 matt void at91aic_intr_disestablish(void *cookie); 59 1.2 matt void at91aic_intr_poll(void *ihp, int flags); 60 1.3.12.1 yamt void at91aic_intr_dispatch(struct trapframe *frame); 61 1.2 matt 62 1.2 matt #endif /* _AT91AICVAR_H_ */ 63
Indexes created Sun Oct 19 02:09:48 GMT 2025