1 /* $NetBSD: vme.c,v 1.20 2022/06/26 05:11:54 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: vme.c,v 1.20 2022/06/26 05:11:54 tsutsui Exp $"); 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 <machine/intr.h> 40 41 #include <atari/vme/vmevar.h> 42 43 static int vmematch(device_t, cfdata_t, void *); 44 static void vmeattach(device_t, device_t, void *); 45 static int vmeprint(void *, const char *); 46 47 CFATTACH_DECL_NEW(vme, sizeof(struct vme_softc), 48 vmematch, vmeattach, NULL, NULL); 49 50 static int vmesearch(device_t, cfdata_t, const int *, void *); 51 52 static int 53 vmematch(device_t parent, cfdata_t cf, void *aux) 54 { 55 struct vmebus_attach_args *vba = aux; 56 57 if (strcmp(vba->vba_busname, cf->cf_name)) 58 return 0; 59 60 return 1; 61 } 62 63 static void 64 vmeattach(device_t parent, device_t self, void *aux) 65 { 66 struct vme_softc *sc = device_private(self); 67 struct vmebus_attach_args *vba = aux; 68 69 aprint_normal("\n"); 70 71 sc->sc_dev = self; 72 sc->sc_iot = vba->vba_iot; 73 sc->sc_memt = vba->vba_memt; 74 sc->sc_vc = vba->vba_vc; 75 76 config_search(self, NULL, 77 CFARGS(.search = vmesearch)); 78 } 79 80 static int 81 vmeprint(void *aux, const char *vme) 82 { 83 struct vme_attach_args *va = aux; 84 85 if (va->va_iosize) 86 aprint_normal(" port 0x%x", va->va_iobase); 87 if (va->va_iosize > 1) 88 aprint_normal("-0x%x", va->va_iobase + va->va_iosize - 1); 89 if (va->va_msize) 90 aprint_normal(" iomem 0x%x", va->va_maddr); 91 if (va->va_msize > 1) 92 aprint_normal("-0x%x", va->va_maddr + va->va_msize - 1); 93 if (va->va_irq != IRQUNK) 94 aprint_normal(" irq %d", va->va_irq); 95 return UNCONF; 96 } 97 98 static int 99 vmesearch(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 100 { 101 struct vme_softc *sc = device_private(parent); 102 struct vme_attach_args va; 103 104 va.va_iot = sc->sc_iot; 105 va.va_memt = sc->sc_memt; 106 va.va_vc = sc->sc_vc; 107 va.va_iobase = cf->cf_iobase; 108 va.va_iosize = cf->cf_iosize; 109 va.va_maddr = cf->cf_maddr; 110 va.va_msize = cf->cf_msize; 111 va.va_irq = cf->cf_irq; 112 113 if (config_probe(parent, cf, &va)) 114 config_attach(parent, cf, &va, vmeprint, CFARGS_NONE); 115 return 0; 116 } 117