1 /* $NetBSD: isa_machdep.h,v 1.2 2000/01/23 21:01:56 soda Exp $ */ 2 /* $OpenBSD: isa_machdep.h,v 1.5 1997/04/19 17:20:00 pefo Exp $ */ 3 4 /* 5 * Copyright (c) 1996 Per Fogelstrom 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Per Fogelstrom 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #ifndef _ISA_MACHDEP_H_ 34 #define _ISA_MACHDEP_H_ 35 36 typedef struct arc_isa_bus *isa_chipset_tag_t; 37 38 /* 39 * I/O macros to access isa bus ports/memory. 40 * At the first glance theese macros may seem inefficient. 41 * However, the cpu executes an instruction every 7.5ns 42 * so the bus is much slower so it doesn't matter, really. 43 */ 44 #define isa_outb(x,y) outb(arc_bus_io.bus_base + (x), y) 45 #define isa_inb(x) inb(arc_bus_io.bus_base + (x)) 46 47 struct arc_isa_bus { 48 void *ic_data; 49 50 void (*ic_attach_hook) __P((struct device *, struct device *, 51 struct isabus_attach_args *)); 52 void *(*ic_intr_establish) __P((isa_chipset_tag_t, int, int, int, 53 int (*)(void *), void *)); 54 void (*ic_intr_disestablish) __P((isa_chipset_tag_t, void *)); 55 }; 56 57 58 /* 59 * Functions provided to machine-independent ISA code. 60 */ 61 #define isa_attach_hook(p, s, a) /* \ 62 (*(a)->iba_ic->ic_attach_hook)((p), (s), (a)) */ 63 #define isa_intr_establish(c, i, t, l, f, a) \ 64 (*(c)->ic_intr_establish)((c)->ic_data, (i), (t), (l), (f), (a)) 65 #define isa_intr_disestablish(c, h) \ 66 (*(c)->ic_intr_disestablish)((c)->ic_data, (h)) 67 68 void sysbeepstop __P((void *)); 69 void sysbeep __P((int, int)); 70 71 72 /* 73 * Interrupt control struct used to control the ICU setup. 74 */ 75 76 struct intrhand { 77 struct intrhand *ih_next; 78 int (*ih_fun) __P((void *)); 79 void *ih_arg; 80 u_long ih_count; 81 int ih_level; 82 int ih_irq; 83 char *ih_what; 84 }; 85 86 #endif /* _ISA_MACHDEP_H_ */ 87