pwctl.c revision 1.4
1 /* $NetBSD: pwctl.c,v 1.4 2001/05/06 14:25:15 takemura Exp $ */ 2 3 /*- 4 * Copyright (c) 1999-2001 5 * TAKEMURA Shin and PocketBSD Project. All rights reserved. 6 * Copyright (c) 2000,2001 7 * SATO Kazumi. All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the PocketBSD project 20 * and its contributors. 21 * 4. Neither the name of the project nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 */ 38 39 #include <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/device.h> 42 43 #include <machine/bus.h> 44 #include <machine/config_hook.h> 45 #include <machine/platid.h> 46 #include <machine/platid_mask.h> 47 48 #include <dev/hpc/hpciovar.h> 49 50 #include "locators.h" 51 52 #define PWCTLVRGIUDEBUG 53 #ifdef PWCTLVRGIUDEBUG 54 int pwctl_debug = 0; 55 #define DPRINTF(arg) if (pwctl_debug) printf arg; 56 #else 57 #define DPRINTF(arg) 58 #endif 59 60 struct pwctl_softc { 61 struct device sc_dev; 62 hpcio_chip_t sc_hc; 63 int sc_port; 64 long sc_id; 65 int sc_on, sc_off; 66 config_hook_tag sc_hook_tag; 67 config_hook_tag sc_hook_hardpower; 68 config_hook_tag sc_ghook_tag; 69 int sc_save; 70 int sc_initvalue; 71 }; 72 73 static int pwctl_match __P((struct device *, struct cfdata *, 74 void *)); 75 static void pwctl_attach __P((struct device *, struct device *, 76 void *)); 77 static int pwctl_hook __P((void *ctx, int type, long id, 78 void *msg)); 79 static int pwctl_ghook __P((void *ctx, int type, long id, 80 void *msg)); 81 int pwctl_hardpower __P((void *, int, long, void *)); 82 83 struct cfattach pwctl_ca = { 84 sizeof(struct pwctl_softc), pwctl_match, pwctl_attach 85 }; 86 87 int 88 pwctl_match(parent, match, aux) 89 struct device *parent; 90 struct cfdata *match; 91 void *aux; 92 { 93 struct hpcio_attach_args *haa = aux; 94 platid_mask_t mask; 95 96 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 97 return 0; 98 if (match->cf_loc[HPCIOIFCF_PLATFORM] == 0) 99 return 0; 100 mask = PLATID_DEREF(match->cf_loc[HPCIOIFCF_PLATFORM]); 101 if (!platid_match(&platid, &mask)) 102 return 0; 103 return 1; 104 } 105 106 void 107 pwctl_attach(parent, self, aux) 108 struct device *parent; 109 struct device *self; 110 void *aux; 111 { 112 struct hpcio_attach_args *haa = aux; 113 int *loc; 114 struct pwctl_softc *sc = (void*)self; 115 116 loc = sc->sc_dev.dv_cfdata->cf_loc; 117 sc->sc_hc = (*haa->haa_getchip)(haa->haa_sc, loc[HPCIOIFCF_IOCHIP]); 118 sc->sc_port = loc[HPCIOIFCF_PORT]; 119 sc->sc_id = loc[HPCIOIFCF_ID]; 120 sc->sc_on = loc[HPCIOIFCF_ACTIVE] ? 1 : 0; 121 sc->sc_off = loc[HPCIOIFCF_ACTIVE] ? 0 : 1; 122 sc->sc_initvalue = loc[HPCIOIFCF_INITVALUE]; 123 printf(" port=%d id=%ld on=%d%s", 124 sc->sc_port, sc->sc_id, sc->sc_on, 125 sc->sc_initvalue == -1 ? "" : 126 sc->sc_initvalue ? " init=on" : " init=off"); 127 128 if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT || 129 sc->sc_id == HPCIOIFCF_ID_DEFAULT) { 130 printf(" (ignored)"); 131 } else { 132 sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL, 133 sc->sc_id, CONFIG_HOOK_SHARE, 134 pwctl_hook, sc); 135 sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET, 136 sc->sc_id, CONFIG_HOOK_SHARE, 137 pwctl_ghook, sc); 138 sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 139 CONFIG_HOOK_PMEVENT_HARDPOWER, 140 CONFIG_HOOK_SHARE, 141 pwctl_hardpower, sc); 142 143 } 144 if (sc->sc_initvalue != -1) 145 hpcio_portwrite(sc->sc_hc, sc->sc_port, 146 sc->sc_initvalue ? sc->sc_on : sc->sc_off); 147 printf("\n"); 148 } 149 150 int 151 pwctl_hook(ctx, type, id, msg) 152 void *ctx; 153 int type; 154 long id; 155 void *msg; 156 { 157 struct pwctl_softc *sc = ctx; 158 159 DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port, 160 msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off)); 161 hpcio_portwrite(sc->sc_hc, sc->sc_port, 162 msg ? sc->sc_on : sc->sc_off); 163 return (0); 164 } 165 166 int 167 pwctl_ghook(ctx, type, id, msg) 168 void *ctx; 169 int type; 170 long id; 171 void *msg; 172 { 173 struct pwctl_softc *sc = ctx; 174 175 if (CONFIG_HOOK_VALUEP(msg)) 176 return 1; 177 178 *(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on; 179 DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port, 180 *(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off)); 181 return 0; 182 } 183 184 int 185 pwctl_hardpower(ctx, type, id, msg) 186 void *ctx; 187 int type; 188 long id; 189 void *msg; 190 { 191 struct pwctl_softc *sc = ctx; 192 int why =(int)msg; 193 194 #if 0 195 /* XXX debug print cause hang system... Huum...*/ 196 DPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port, 197 why == PWR_RESUME? "resume" 198 : why == PWR_SUSPEND? "suspend" : "standby", 199 sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save)); 200 #endif /* 0 */ 201 switch (why) { 202 case PWR_STANDBY: 203 break; 204 case PWR_SUSPEND: 205 sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port); 206 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off); 207 break; 208 case PWR_RESUME: 209 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save); 210 break; 211 } 212 return (0); 213 } 214
Indexes created Tue Sep 23 14:10:03 GMT 2025