1 /* $NetBSD: hpcioman.c,v 1.19 2012/10/27 17:18:17 chs 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 1.19 2012/10/27 17:18:17 chs 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, const int *, void *); 53 54 CFATTACH_DECL_NEW(hpcioman, 0, 55 hpcioman_match, hpcioman_attach, NULL, NULL); 56 57 int 58 hpcioman_match(device_t parent, cfdata_t cf, void *aux) 59 { 60 struct hpcio_attach_args *haa = aux; 61 platid_mask_t mask; 62 63 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 64 return (0); 65 /* select platform */ 66 mask = PLATID_DEREF(cf->cf_loc[HPCIOIFCF_PLATFORM]); 67 68 return (platid_match(&platid, &mask)); 69 } 70 71 void 72 hpcioman_attach(device_t parent, device_t self, void *aux) 73 { 74 printf("\n"); 75 76 config_search_ia(hpcioman_search, self, "hpcioman", aux); 77 } 78 79 int 80 hpcioman_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 81 { 82 struct hpcio_attach_args *haa = aux; 83 struct hpcioman_attach_args hma; 84 85 /* get io chip */ 86 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip); 87 88 /* interrupt mode */ 89 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) { 90 switch (cf->cf_hold) { 91 case 1: 92 hma.hma_intr_mode = HPCIO_INTR_HOLD; 93 break; 94 case 0: 95 case HPCIOMANCF_HOLD_DEFAULT: 96 default: 97 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 98 break; 99 } 100 hma.hma_intr_mode |= HPCIO_INTR_LEVEL; 101 if (cf->cf_level == 0) 102 hma.hma_intr_mode |= HPCIO_INTR_LOW; 103 else 104 hma.hma_intr_mode |= HPCIO_INTR_HIGH; 105 } else { 106 switch (cf->cf_hold) { 107 case 0: 108 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 109 break; 110 case 1: 111 case HPCIOMANCF_HOLD_DEFAULT: 112 default: 113 hma.hma_intr_mode = HPCIO_INTR_HOLD; 114 break; 115 } 116 hma.hma_intr_mode |= HPCIO_INTR_EDGE; 117 switch (cf->cf_edge) { 118 case 1: 119 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 120 break; 121 case 2: 122 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 123 break; 124 case 0: 125 case 3: 126 case HPCIOMANCF_EDGE_DEFAULT: 127 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 128 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 129 break; 130 default: 131 printf("%s(%d): invalid configuration, edge=%d", 132 __FILE__, __LINE__, cf->cf_edge); 133 break; 134 } 135 } 136 137 hma.hma_type = cf->cf_type; 138 hma.hma_id = cf->cf_id; 139 hma.hma_port = cf->cf_port; 140 if (cf->cf_active == 0) { 141 hma.hma_on = 0; 142 hma.hma_off = 1; 143 } else { 144 hma.hma_on = 1; 145 hma.hma_off = 0; 146 } 147 hma.hma_initvalue = -1; /* none */ 148 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) { 149 if (cf->cf_initvalue == 0) 150 hma.hma_initvalue = hma.hma_off; 151 else 152 hma.hma_initvalue = hma.hma_on; 153 } 154 hma.hma_connect = cf->cf_connect; 155 156 config_attach(parent, cf, &hma, hpcioman_print); 157 158 return (0); 159 } 160 161 int 162 hpcioman_print(void *aux, const char *pnp) 163 { 164 struct hpcioman_attach_args *hma = aux; 165 int type = hma->hma_type; 166 167 if (!pnp) { 168 aprint_normal(" iochip %s, port %d, type %d, id %d", 169 hma->hma_hc ? hma->hma_hc->hc_name : "not found", 170 hma->hma_port, type, hma->hma_id); 171 if (type == CONFIG_HOOK_BUTTONEVENT || 172 type == CONFIG_HOOK_PMEVENT || 173 type == CONFIG_HOOK_EVENT || 174 type == CONFIG_HOOK_PCIINTR) { 175 if (hma->hma_intr_mode & HPCIO_INTR_EDGE) 176 aprint_normal (", interrupt edge [%s%s]", 177 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE) 178 ? "p" : "", 179 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE) 180 ? "n" : ""); 181 else 182 aprint_normal (", interrupt level %s", 183 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ? 184 "high" : "low"); 185 } 186 if (hma->hma_initvalue != -1) 187 aprint_normal(", initial value %d", hma->hma_initvalue); 188 if (hma->hma_on == 0) 189 aprint_normal(", active low"); 190 } 191 192 return (QUIET); 193 } 194