1 /* $NetBSD: mca.c,v 1.1 2000/05/11 15:42:05 jdolecek Exp $ */ 2 3 /*- 4 * Copyright (c) 2000 The NetBSD Foundation, Inc. 5 * Copyright (c) 1996-1999 Scott D. Telford. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Scott Telford <s.telford@ed.ac.uk>. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * MCA Bus device 42 */ 43 44 #include "opt_mcaverbose.h" 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/device.h> 49 50 #include <machine/bus.h> 51 52 #include <dev/mca/mcareg.h> 53 #include <dev/mca/mcavar.h> 54 55 56 int mca_match __P((struct device *, struct cfdata *, void *)); 57 void mca_attach __P((struct device *, struct device *, void *)); 58 59 struct cfattach mca_ca = { 60 sizeof(struct device), mca_match, mca_attach 61 }; 62 63 int mca_submatch __P((struct device *, struct cfdata *, void *)); 64 int mca_print __P((void *, const char *)); 65 66 int 67 mca_match(parent, cf, aux) 68 struct device *parent; 69 struct cfdata *cf; 70 void *aux; 71 { 72 struct mcabus_attach_args *mba = aux; 73 74 if (strcmp(mba->mba_busname, cf->cf_driver->cd_name)) 75 return (0); 76 77 /* sanity (only mca0 supported currently) */ 78 if (mba->mba_bus < 0 || mba->mba_bus > 0) 79 return (0); 80 81 /* XXX check other indicators? */ 82 83 return (1); 84 } 85 86 int 87 mca_print(aux, pnp) 88 void *aux; 89 const char *pnp; 90 { 91 register struct mca_attach_args *ma = aux; 92 char devinfo[256]; 93 94 if (pnp) { 95 mca_devinfo(ma->ma_id, devinfo); 96 printf("%s slot %d: %s", pnp, ma->ma_slot + 1, devinfo); 97 } 98 99 return (mca_issupp(ma->ma_id)) ? UNCONF : UNSUPP; 100 } 101 102 int 103 mca_submatch(parent, cf, aux) 104 struct device *parent; 105 struct cfdata *cf; 106 void *aux; 107 { 108 struct mca_attach_args *ma = aux; 109 110 if (cf->mcacf_slot != MCA_UNKNOWN_SLOT && 111 cf->mcacf_slot != ma->ma_slot) 112 return 0; 113 return ((*cf->cf_attach->ca_match)(parent, cf, aux)); 114 } 115 116 void 117 mca_attach(parent, self, aux) 118 struct device *parent, *self; 119 void *aux; 120 { 121 struct mcabus_attach_args *mba = aux; 122 bus_space_tag_t iot, memt; 123 bus_dma_tag_t dmat; 124 mca_chipset_tag_t mc; 125 int slot; 126 127 mca_attach_hook(parent, self, mba); 128 printf("\n"); 129 130 iot = mba->mba_iot; 131 memt = mba->mba_memt; 132 mc = mba->mba_mc; 133 dmat = mba->mba_dmat; 134 135 /* 136 * Search for and attach subdevices. 137 * 138 * NB: In the adapter setup register, slots are numbered from 0, 139 * but officially they are numbered from 1. 140 * We use the former convention internally and the latter for text 141 * messages and in config files. 142 */ 143 144 for (slot = 0; slot < MCA_MAX_SLOTS; slot++) { 145 struct mca_attach_args ma; 146 int reg; 147 148 ma.ma_iot = iot; 149 ma.ma_memt = memt; 150 ma.ma_dmat = dmat; 151 ma.ma_mc = mc; 152 ma.ma_slot = slot; 153 154 for(reg = 0; reg < 8; reg++) 155 ma.ma_pos[reg]=mca_conf_read(mc, slot, reg); 156 157 ma.ma_id = ma.ma_pos[0] + (ma.ma_pos[1] << 8); 158 if (ma.ma_id == 0xffff) /* no adapter here */ 159 continue; 160 161 if (ma.ma_pos[2] & MCA_POS2_ENABLE) 162 config_found_sm(self, &ma, mca_print, mca_submatch); 163 else { 164 mca_print(&ma, self->dv_xname); 165 printf(" disabled\n"); 166 } 167 } 168 } 169