1 /* $NetBSD: hpcioman.c,v 1.18 2009/05/12 14:22:39 cegger Exp $ */ 2 3 /*- 4 * Copyright (c) 1999-2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: hpcioman.c,v 1.18 2009/05/12 14:22:39 cegger Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 39 #include <machine/config_hook.h> 40 #include <machine/platid.h> 41 #include <machine/platid_mask.h> 42 43 #include <sys/bus.h> 44 #include <dev/hpc/hpciovar.h> 45 #include <dev/hpc/hpciomanvar.h> 46 47 #include "locators.h" 48 49 int hpcioman_match(device_t, cfdata_t, void *); 50 void hpcioman_attach(device_t, device_t, void *); 51 int hpcioman_print(void *, const char *); 52 int hpcioman_search(device_t, cfdata_t, 53 const int *, void *); 54 55 struct hpcioman_softc { 56 struct device sc_dev; 57 }; 58 59 CFATTACH_DECL(hpcioman, sizeof(struct hpcioman_softc), 60 hpcioman_match, hpcioman_attach, NULL, NULL); 61 62 int 63 hpcioman_match(device_t parent, cfdata_t cf, void *aux) 64 { 65 struct hpcio_attach_args *haa = aux; 66 platid_mask_t mask; 67 68 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 69 return (0); 70 /* select platform */ 71 mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]); 72 73 return (platid_match(&platid, &mask)); 74 } 75 76 void 77 hpcioman_attach(device_t parent, device_t self, void *aux) 78 { 79 printf("\n"); 80 81 config_search_ia(hpcioman_search, self, "hpcioman", aux); 82 } 83 84 int 85 hpcioman_search(device_t parent, cfdata_t cf, 86 const int *ldesc, void *aux) 87 { 88 //struct hpcioman_softc *sc = (struct hpcioman_softc *)parent; 89 struct hpcio_attach_args *haa = aux; 90 struct hpcioman_attach_args hma; 91 92 /* get io chip */ 93 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip); 94 95 /* interrupt mode */ 96 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) { 97 switch (cf->cf_hold) { 98 case 1: 99 hma.hma_intr_mode = HPCIO_INTR_HOLD; 100 break; 101 case 0: 102 case HPCIOMANCF_HOLD_DEFAULT: 103 default: 104 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 105 break; 106 } 107 hma.hma_intr_mode |= HPCIO_INTR_LEVEL; 108 if (cf->cf_level == 0) 109 hma.hma_intr_mode |= HPCIO_INTR_LOW; 110 else 111 hma.hma_intr_mode |= HPCIO_INTR_HIGH; 112 } else { 113 switch (cf->cf_hold) { 114 case 0: 115 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 116 break; 117 case 1: 118 case HPCIOMANCF_HOLD_DEFAULT: 119 default: 120 hma.hma_intr_mode = HPCIO_INTR_HOLD; 121 break; 122 } 123 hma.hma_intr_mode |= HPCIO_INTR_EDGE; 124 switch (cf->cf_edge) { 125 case 1: 126 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 127 break; 128 case 2: 129 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 130 break; 131 case 0: 132 case 3: 133 case HPCIOMANCF_EDGE_DEFAULT: 134 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 135 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 136 break; 137 default: 138 printf("%s(%d): invalid configuration, edge=%d", 139 __FILE__, __LINE__, cf->cf_edge); 140 break; 141 } 142 } 143 144 hma.hma_type = cf->cf_type; 145 hma.hma_id = cf->cf_id; 146 hma.hma_port = cf->cf_port; 147 if (cf->cf_active == 0) { 148 hma.hma_on = 0; 149 hma.hma_off = 1; 150 } else { 151 hma.hma_on = 1; 152 hma.hma_off = 0; 153 } 154 hma.hma_initvalue = -1; /* none */ 155 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) { 156 if (cf->cf_initvalue == 0) 157 hma.hma_initvalue = hma.hma_off; 158 else 159 hma.hma_initvalue = hma.hma_on; 160 } 161 hma.hma_connect = cf->cf_connect; 162 163 config_attach(parent, cf, &hma, hpcioman_print); 164 165 return (0); 166 } 167 168 int 169 hpcioman_print(void *aux, const char *pnp) 170 { 171 struct hpcioman_attach_args *hma = aux; 172 int type = hma->hma_type; 173 174 if (!pnp) { 175 aprint_normal(" iochip %s, port %d, type %d, id %d", 176 hma->hma_hc ? hma->hma_hc->hc_name : "not found", 177 hma->hma_port, type, hma->hma_id); 178 if (type == CONFIG_HOOK_BUTTONEVENT || 179 type == CONFIG_HOOK_PMEVENT || 180 type == CONFIG_HOOK_EVENT || 181 type == CONFIG_HOOK_PCIINTR) { 182 if (hma->hma_intr_mode & HPCIO_INTR_EDGE) 183 aprint_normal (", interrupt edge [%s%s]", 184 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE) 185 ? "p" : "", 186 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE) 187 ? "n" : ""); 188 else 189 aprint_normal (", interrupt level %s", 190 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ? 191 "high" : "low"); 192 } 193 if (hma->hma_initvalue != -1) 194 aprint_normal(", initial value %d", hma->hma_initvalue); 195 if (hma->hma_on == 0) 196 aprint_normal(", active low"); 197 } 198 199 return (QUIET); 200 } 201