1 /* $NetBSD: bha_eisa.c,v 1.8 1997/06/06 23:30:04 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1994, 1996, 1997 Charles M. 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 M. 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/types.h> 33 #include <sys/param.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 37 #include <machine/bus.h> 38 #include <machine/intr.h> 39 40 #include <scsi/scsi_all.h> 41 #include <scsi/scsiconf.h> 42 43 #include <dev/eisa/eisavar.h> 44 #include <dev/eisa/eisadevs.h> 45 46 #include <dev/ic/bhareg.h> 47 #include <dev/ic/bhavar.h> 48 49 #define BHA_EISA_SLOT_OFFSET 0xc00 50 #define BHA_EISA_IOSIZE 0x100 51 52 #ifdef __BROKEN_INDIRECT_CONFIG 53 int bha_eisa_match __P((struct device *, void *, void *)); 54 #else 55 int bha_eisa_match __P((struct device *, struct cfdata *, void *)); 56 #endif 57 void bha_eisa_attach __P((struct device *, struct device *, void *)); 58 59 struct cfattach bha_eisa_ca = { 60 sizeof(struct bha_softc), bha_eisa_match, bha_eisa_attach 61 }; 62 63 /* 64 * Check the slots looking for a board we recognise 65 * If we find one, note it's address (slot) and call 66 * the actual probe routine to check it out. 67 */ 68 int 69 bha_eisa_match(parent, match, aux) 70 struct device *parent; 71 #ifdef __BROKEN_INDIRECT_CONFIG 72 void *match; 73 #else 74 struct cfdata *match; 75 #endif 76 void *aux; 77 { 78 struct eisa_attach_args *ea = aux; 79 bus_space_tag_t iot = ea->ea_iot; 80 bus_space_handle_t ioh; 81 int rv; 82 83 /* must match one of our known ID strings */ 84 if (strcmp(ea->ea_idstring, "BUS4201") && 85 strcmp(ea->ea_idstring, "BUS4202")) 86 return (0); 87 88 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 89 BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) 90 return (0); 91 92 rv = bha_find(iot, ioh, NULL); 93 94 bus_space_unmap(iot, ioh, BHA_EISA_IOSIZE); 95 96 return (rv); 97 } 98 99 /* 100 * Attach all the sub-devices we can find 101 */ 102 void 103 bha_eisa_attach(parent, self, aux) 104 struct device *parent, *self; 105 void *aux; 106 { 107 struct eisa_attach_args *ea = aux; 108 struct bha_softc *sc = (void *)self; 109 bus_space_tag_t iot = ea->ea_iot; 110 bus_space_handle_t ioh; 111 struct bha_probe_data bpd; 112 eisa_chipset_tag_t ec = ea->ea_ec; 113 eisa_intr_handle_t ih; 114 const char *model, *intrstr; 115 116 if (!strcmp(ea->ea_idstring, "BUS4201")) 117 model = EISA_PRODUCT_BUS4201; 118 else if (!strcmp(ea->ea_idstring, "BUS4202")) 119 model = EISA_PRODUCT_BUS4202; 120 else 121 model = "unknown model!"; 122 printf(": %s\n", model); 123 124 if (bus_space_map(iot, EISA_SLOT_ADDR(ea->ea_slot) + 125 BHA_EISA_SLOT_OFFSET, BHA_EISA_IOSIZE, 0, &ioh)) 126 panic("bha_eisa_attach: could not map I/O addresses"); 127 128 sc->sc_iot = iot; 129 sc->sc_ioh = ioh; 130 sc->sc_dmat = ea->ea_dmat; 131 if (!bha_find(iot, ioh, &bpd)) 132 panic("bha_eisa_attach: bha_find failed"); 133 134 sc->sc_dmaflags = 0; 135 136 if (eisa_intr_map(ec, bpd.sc_irq, &ih)) { 137 printf("%s: couldn't map interrupt (%d)\n", 138 sc->sc_dev.dv_xname, bpd.sc_irq); 139 return; 140 } 141 intrstr = eisa_intr_string(ec, ih); 142 sc->sc_ih = eisa_intr_establish(ec, ih, IST_LEVEL, IPL_BIO, 143 bha_intr, sc); 144 if (sc->sc_ih == NULL) { 145 printf("%s: couldn't establish interrupt", 146 sc->sc_dev.dv_xname); 147 if (intrstr != NULL) 148 printf(" at %s", intrstr); 149 printf("\n"); 150 return; 151 } 152 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 153 154 bha_attach(sc, &bpd); 155 } 156