hpcioman.c revision 1.20
1 /* $NetBSD: hpcioman.c,v 1.20 2021/04/24 23:36:54 thorpej 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 1.20 2021/04/24 23:36:54 thorpej 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(self, aux, 77 CFARG_SEARCH, hpcioman_search, 78 CFARG_EOL); 79 } 80 81 int 82 hpcioman_search(device_t parent, cfdata_t cf, const int *ldesc, void *aux) 83 { 84 struct hpcio_attach_args *haa = aux; 85 struct hpcioman_attach_args hma; 86 87 /* get io chip */ 88 hma.hma_hc = (*haa->haa_getchip)(haa->haa_sc, cf->cf_iochip); 89 90 /* interrupt mode */ 91 if (cf->cf_level != HPCIOMANCF_LEVEL_DEFAULT) { 92 switch (cf->cf_hold) { 93 case 1: 94 hma.hma_intr_mode = HPCIO_INTR_HOLD; 95 break; 96 case 0: 97 case HPCIOMANCF_HOLD_DEFAULT: 98 default: 99 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 100 break; 101 } 102 hma.hma_intr_mode |= HPCIO_INTR_LEVEL; 103 if (cf->cf_level == 0) 104 hma.hma_intr_mode |= HPCIO_INTR_LOW; 105 else 106 hma.hma_intr_mode |= HPCIO_INTR_HIGH; 107 } else { 108 switch (cf->cf_hold) { 109 case 0: 110 hma.hma_intr_mode = HPCIO_INTR_THROUGH; 111 break; 112 case 1: 113 case HPCIOMANCF_HOLD_DEFAULT: 114 default: 115 hma.hma_intr_mode = HPCIO_INTR_HOLD; 116 break; 117 } 118 hma.hma_intr_mode |= HPCIO_INTR_EDGE; 119 switch (cf->cf_edge) { 120 case 1: 121 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 122 break; 123 case 2: 124 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 125 break; 126 case 0: 127 case 3: 128 case HPCIOMANCF_EDGE_DEFAULT: 129 hma.hma_intr_mode |= HPCIO_INTR_POSEDGE; 130 hma.hma_intr_mode |= HPCIO_INTR_NEGEDGE; 131 break; 132 default: 133 printf("%s(%d): invalid configuration, edge=%d", 134 __FILE__, __LINE__, cf->cf_edge); 135 break; 136 } 137 } 138 139 hma.hma_type = cf->cf_type; 140 hma.hma_id = cf->cf_id; 141 hma.hma_port = cf->cf_port; 142 if (cf->cf_active == 0) { 143 hma.hma_on = 0; 144 hma.hma_off = 1; 145 } else { 146 hma.hma_on = 1; 147 hma.hma_off = 0; 148 } 149 hma.hma_initvalue = -1; /* none */ 150 if (cf->cf_initvalue != HPCIOMANCF_INITVALUE_DEFAULT) { 151 if (cf->cf_initvalue == 0) 152 hma.hma_initvalue = hma.hma_off; 153 else 154 hma.hma_initvalue = hma.hma_on; 155 } 156 hma.hma_connect = cf->cf_connect; 157 158 config_attach(parent, cf, &hma, hpcioman_print, CFARG_EOL); 159 160 return (0); 161 } 162 163 int 164 hpcioman_print(void *aux, const char *pnp) 165 { 166 struct hpcioman_attach_args *hma = aux; 167 int type = hma->hma_type; 168 169 if (!pnp) { 170 aprint_normal(" iochip %s, port %d, type %d, id %d", 171 hma->hma_hc ? hma->hma_hc->hc_name : "not found", 172 hma->hma_port, type, hma->hma_id); 173 if (type == CONFIG_HOOK_BUTTONEVENT || 174 type == CONFIG_HOOK_PMEVENT || 175 type == CONFIG_HOOK_EVENT || 176 type == CONFIG_HOOK_PCIINTR) { 177 if (hma->hma_intr_mode & HPCIO_INTR_EDGE) 178 aprint_normal (", interrupt edge [%s%s]", 179 (hma->hma_intr_mode&HPCIO_INTR_POSEDGE) 180 ? "p" : "", 181 (hma->hma_intr_mode&HPCIO_INTR_NEGEDGE) 182 ? "n" : ""); 183 else 184 aprint_normal (", interrupt level %s", 185 (hma->hma_intr_mode&HPCIO_INTR_HIGH) ? 186 "high" : "low"); 187 } 188 if (hma->hma_initvalue != -1) 189 aprint_normal(", initial value %d", hma->hma_initvalue); 190 if (hma->hma_on == 0) 191 aprint_normal(", active low"); 192 } 193 194 return (QUIET); 195 } 196
Indexes created Wed Sep 24 15:09:51 GMT 2025