pwctl.c revision 1.7
1 /* $NetBSD: pwctl.c,v 1.7 2001/08/02 09:47:18 sato 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 #include <sys/reboot.h> 43 44 #include <machine/bus.h> 45 #include <machine/config_hook.h> 46 #include <machine/platid.h> 47 #include <machine/platid_mask.h> 48 49 #include <dev/hpc/hpciovar.h> 50 51 #include "locators.h" 52 53 #define PWCTLDEBUG 54 #ifndef PWCTLDEBUG_CONF 55 #define PWCTLDEBUG_CONF 0 56 #endif 57 #ifdef PWCTLDEBUG 58 int pwctl_debug = PWCTLDEBUG_CONF; 59 #define DPRINTF(arg) if (pwctl_debug) printf arg; 60 #define VPRINTF(arg) if (bootverbose) printf arg; 61 #else 62 #define DPRINTF(arg) 63 #define VPRINTF(arg) if (bootverbose) printf arg; 64 #endif 65 66 struct pwctl_softc { 67 struct device sc_dev; 68 hpcio_chip_t sc_hc; 69 int sc_port; 70 long sc_id; 71 int sc_on, sc_off; 72 config_hook_tag sc_hook_tag; 73 config_hook_tag sc_hook_hardpower; 74 config_hook_tag sc_ghook_tag; 75 int sc_save; 76 int sc_initvalue; 77 }; 78 79 static int pwctl_match(struct device *, struct cfdata *, void *); 80 static void pwctl_attach(struct device *, struct device *, void *); 81 static int pwctl_hook(void *, int, long, void *); 82 static int pwctl_ghook(void *, int, long, void *); 83 int pwctl_hardpower(void *, int, long, void *); 84 85 struct cfattach pwctl_ca = { 86 sizeof(struct pwctl_softc), pwctl_match, pwctl_attach 87 }; 88 89 int 90 pwctl_match(struct device *parent, struct cfdata *match, void *aux) 91 { 92 struct hpcio_attach_args *haa = aux; 93 platid_mask_t mask; 94 95 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 96 return (0); 97 if (match->cf_loc[HPCIOIFCF_PLATFORM] == 0) 98 return (0); 99 mask = PLATID_DEREF(match->cf_loc[HPCIOIFCF_PLATFORM]); 100 if (!platid_match(&platid, &mask)) 101 return (0); 102 return (1); 103 } 104 105 void 106 pwctl_attach(struct device *parent, struct device *self, void *aux) 107 { 108 struct hpcio_attach_args *haa = aux; 109 int *loc; 110 struct pwctl_softc *sc = (void*)self; 111 112 loc = sc->sc_dev.dv_cfdata->cf_loc; 113 sc->sc_hc = (*haa->haa_getchip)(haa->haa_sc, loc[HPCIOIFCF_IOCHIP]); 114 sc->sc_port = loc[HPCIOIFCF_PORT]; 115 sc->sc_id = loc[HPCIOIFCF_ID]; 116 sc->sc_on = loc[HPCIOIFCF_ACTIVE] ? 1 : 0; 117 sc->sc_off = loc[HPCIOIFCF_ACTIVE] ? 0 : 1; 118 sc->sc_initvalue = loc[HPCIOIFCF_INITVALUE]; 119 120 printf(" port=%d id=%ld on=%d%s", 121 sc->sc_port, sc->sc_id, sc->sc_on, 122 sc->sc_initvalue == -1 ? "" : 123 sc->sc_initvalue ? " init=on" : " init=off"); 124 125 if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT || 126 sc->sc_id == HPCIOIFCF_ID_DEFAULT) { 127 printf(" (ignored)"); 128 } else { 129 sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL, 130 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_hook, sc); 131 sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET, 132 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_ghook, sc); 133 sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 134 CONFIG_HOOK_PMEVENT_HARDPOWER, CONFIG_HOOK_SHARE, 135 pwctl_hardpower, sc); 136 } 137 138 if (sc->sc_initvalue != -1) 139 hpcio_portwrite(sc->sc_hc, sc->sc_port, 140 sc->sc_initvalue ? sc->sc_on : sc->sc_off); 141 printf("\n"); 142 } 143 144 int 145 pwctl_hook(void *ctx, int type, long id, void *msg) 146 { 147 struct pwctl_softc *sc = ctx; 148 149 DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port, 150 msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off)); 151 hpcio_portwrite(sc->sc_hc, sc->sc_port, 152 msg ? sc->sc_on : sc->sc_off); 153 154 return (0); 155 } 156 157 int 158 pwctl_ghook(void *ctx, int type, long id, void *msg) 159 { 160 struct pwctl_softc *sc = ctx; 161 162 if (CONFIG_HOOK_VALUEP(msg)) 163 return (1); 164 165 *(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on; 166 DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port, 167 *(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off)); 168 169 return (0); 170 } 171 172 int 173 pwctl_hardpower(void *ctx, int type, long id, void *msg) 174 { 175 struct pwctl_softc *sc = ctx; 176 int why =(int)msg; 177 178 VPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port, 179 why == PWR_RESUME? "resume" 180 : why == PWR_SUSPEND? "suspend" : "standby", 181 sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save)); 182 183 switch (why) { 184 case PWR_STANDBY: 185 break; 186 case PWR_SUSPEND: 187 sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port); 188 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off); 189 break; 190 case PWR_RESUME: 191 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save); 192 break; 193 } 194 195 return (0); 196 } 197
Indexes created Sun Sep 21 20:09:37 GMT 2025