eisa_machdep.c revision 1.3
1/* $NetBSD: eisa_machdep.c,v 1.3 1996/10/11 00:26:33 christos Exp $ */ 2 3/* 4 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33/* 34 * Machine-specific functions for EISA autoconfiguration. 35 */ 36 37#include <sys/types.h> 38#include <sys/param.h> 39#include <sys/time.h> 40#include <sys/systm.h> 41#include <sys/errno.h> 42#include <sys/device.h> 43 44#include <i386/isa/icu.h> 45#include <dev/isa/isavar.h> 46#include <dev/eisa/eisavar.h> 47 48void 49eisa_attach_hook(parent, self, eba) 50 struct device *parent, *self; 51 struct eisabus_attach_args *eba; 52{ 53 54 /* Nothing to do */ 55} 56 57int 58eisa_maxslots(ec) 59 eisa_chipset_tag_t ec; 60{ 61 62 /* 63 * Always try 16 slots. 64 */ 65 return (16); 66} 67 68int 69eisa_intr_map(ec, irq, ihp) 70 eisa_chipset_tag_t ec; 71 u_int irq; 72 eisa_intr_handle_t *ihp; 73{ 74 75 if (irq >= ICU_LEN) { 76 kprintf("eisa_intr_map: bad IRQ %d\n", irq); 77 *ihp = -1; 78 return 1; 79 } 80 if (irq == 2) { 81 kprintf("eisa_intr_map: changed IRQ 2 to IRQ 9\n"); 82 irq = 9; 83 } 84 85 *ihp = irq; 86 return 0; 87} 88 89const char * 90eisa_intr_string(ec, ih) 91 eisa_chipset_tag_t ec; 92 eisa_intr_handle_t ih; 93{ 94 static char irqstr[8]; /* 4 + 2 + NULL + sanity */ 95 96 if (ih == 0 || ih >= ICU_LEN || ih == 2) 97 panic("eisa_intr_string: bogus handle 0x%x\n", ih); 98 99 ksprintf(irqstr, "irq %d", ih); 100 return (irqstr); 101 102} 103 104void * 105eisa_intr_establish(ec, ih, type, level, func, arg) 106 eisa_chipset_tag_t ec; 107 eisa_intr_handle_t ih; 108 int type, level, (*func) __P((void *)); 109 void *arg; 110{ 111 112 if (ih == 0 || ih >= ICU_LEN || ih == 2) 113 panic("eisa_intr_establish: bogus handle 0x%x\n", ih); 114 115 return isa_intr_establish(NULL, ih, type, level, func, arg); 116} 117 118void 119eisa_intr_disestablish(ec, cookie) 120 eisa_chipset_tag_t ec; 121 void *cookie; 122{ 123 124 return isa_intr_disestablish(NULL, cookie); 125} 126