1 /* $NetBSD: isa.c,v 1.69 1994/11/18 22:25:17 mycroft Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 Charles Hannum. 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 Charles Hannum. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/systm.h> 34 #include <sys/kernel.h> 35 #include <sys/conf.h> 36 #include <sys/malloc.h> 37 #include <sys/device.h> 38 39 #include <i386/isa/isareg.h> 40 #include <i386/isa/isavar.h> 41 42 #include <machine/limits.h> 43 44 /* sorry, has to be here, no place else really suitable */ 45 #include <machine/pc/display.h> 46 u_short *Crtat = (u_short *)MONO_BUF; 47 48 int isamatch __P((struct device *, void *, void *)); 49 void isaattach __P((struct device *, struct device *, void *)); 50 51 struct cfdriver isacd = { 52 NULL, "isa", isamatch, isaattach, DV_DULL, sizeof(struct device), 1 53 }; 54 55 int 56 isamatch(parent, match, aux) 57 struct device *parent; 58 void *match, *aux; 59 { 60 61 return (1); 62 } 63 64 int 65 isaprint(aux, isa) 66 void *aux; 67 char *isa; 68 { 69 struct isa_attach_args *ia = aux; 70 71 if (ia->ia_iosize) 72 printf(" port 0x%x", ia->ia_iobase); 73 if (ia->ia_iosize > 1) 74 printf("-0x%x", ia->ia_iobase + ia->ia_iosize - 1); 75 if (ia->ia_msize) 76 printf(" iomem 0x%x", kvtop(ia->ia_maddr)); 77 if (ia->ia_msize > 1) 78 printf("-0x%x", kvtop(ia->ia_maddr) + ia->ia_msize - 1); 79 if (ia->ia_irq != IRQUNK) 80 printf(" irq %d", ia->ia_irq); 81 if (ia->ia_drq != DRQUNK) 82 printf(" drq %d", ia->ia_drq); 83 /* XXXX print flags */ 84 return (QUIET); 85 } 86 87 void 88 isascan(parent, match) 89 struct device *parent; 90 void *match; 91 { 92 struct device *dev = match; 93 struct cfdata *cf = dev->dv_cfdata; 94 struct isa_attach_args ia; 95 96 if (cf->cf_fstate == FSTATE_STAR) 97 panic("not bloody likely"); 98 99 ia.ia_iobase = cf->cf_loc[0]; 100 ia.ia_iosize = 0x666; 101 ia.ia_maddr = cf->cf_loc[2] - 0xa0000 + atdevbase; 102 ia.ia_msize = cf->cf_loc[3]; 103 if (cf->cf_loc[4] == 2) 104 cf->cf_loc[4] = 9; 105 ia.ia_irq = cf->cf_loc[4]; 106 ia.ia_drq = cf->cf_loc[5]; 107 108 if ((*cf->cf_driver->cd_match)(parent, dev, &ia) > 0) 109 config_attach(parent, dev, &ia, isaprint); 110 else 111 free(dev, M_DEVBUF); 112 } 113 114 void 115 isaattach(parent, self, aux) 116 struct device *parent, *self; 117 void *aux; 118 { 119 120 printf("\n"); 121 122 config_scan(isascan, self); 123 } 124