pwctl.c revision 1.6
1 /* $NetBSD: pwctl.c,v 1.6 2001/07/31 10:37:49 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 PWCTLVRGIUDEBUG 54 #ifdef PWCTLVRGIUDEBUG 55 int pwctl_debug = 1; 56 #define DPRINTF(arg) if (pwctl_debug) printf arg; 57 #define VPRINTF(arg) if (bootverbose) printf arg; 58 #else 59 #define DPRINTF(arg) 60 #define VPRINTF(arg) if (bootverbose) printf arg; 61 #endif 62 63 struct pwctl_softc { 64 struct device sc_dev; 65 hpcio_chip_t sc_hc; 66 int sc_port; 67 long sc_id; 68 int sc_on, sc_off; 69 config_hook_tag sc_hook_tag; 70 config_hook_tag sc_hook_hardpower; 71 config_hook_tag sc_ghook_tag; 72 int sc_save; 73 int sc_initvalue; 74 }; 75 76 static int pwctl_match(struct device *, struct cfdata *, void *); 77 static void pwctl_attach(struct device *, struct device *, void *); 78 static int pwctl_hook(void *, int, long, void *); 79 static int pwctl_ghook(void *, int, long, void *); 80 int pwctl_hardpower(void *, int, long, void *); 81 82 struct cfattach pwctl_ca = { 83 sizeof(struct pwctl_softc), pwctl_match, pwctl_attach 84 }; 85 86 int 87 pwctl_match(struct device *parent, struct cfdata *match, void *aux) 88 { 89 struct hpcio_attach_args *haa = aux; 90 platid_mask_t mask; 91 92 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 93 return (0); 94 if (match->cf_loc[HPCIOIFCF_PLATFORM] == 0) 95 return (0); 96 mask = PLATID_DEREF(match->cf_loc[HPCIOIFCF_PLATFORM]); 97 if (!platid_match(&platid, &mask)) 98 return (0); 99 return (1); 100 } 101 102 void 103 pwctl_attach(struct device *parent, struct device *self, void *aux) 104 { 105 struct hpcio_attach_args *haa = aux; 106 int *loc; 107 struct pwctl_softc *sc = (void*)self; 108 109 loc = sc->sc_dev.dv_cfdata->cf_loc; 110 sc->sc_hc = (*haa->haa_getchip)(haa->haa_sc, loc[HPCIOIFCF_IOCHIP]); 111 sc->sc_port = loc[HPCIOIFCF_PORT]; 112 sc->sc_id = loc[HPCIOIFCF_ID]; 113 sc->sc_on = loc[HPCIOIFCF_ACTIVE] ? 1 : 0; 114 sc->sc_off = loc[HPCIOIFCF_ACTIVE] ? 0 : 1; 115 sc->sc_initvalue = loc[HPCIOIFCF_INITVALUE]; 116 117 printf(" port=%d id=%ld on=%d%s", 118 sc->sc_port, sc->sc_id, sc->sc_on, 119 sc->sc_initvalue == -1 ? "" : 120 sc->sc_initvalue ? " init=on" : " init=off"); 121 122 if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT || 123 sc->sc_id == HPCIOIFCF_ID_DEFAULT) { 124 printf(" (ignored)"); 125 } else { 126 sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL, 127 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_hook, sc); 128 sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET, 129 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_ghook, sc); 130 sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 131 CONFIG_HOOK_PMEVENT_HARDPOWER, CONFIG_HOOK_SHARE, 132 pwctl_hardpower, sc); 133 } 134 135 if (sc->sc_initvalue != -1) 136 hpcio_portwrite(sc->sc_hc, sc->sc_port, 137 sc->sc_initvalue ? sc->sc_on : sc->sc_off); 138 printf("\n"); 139 } 140 141 int 142 pwctl_hook(void *ctx, int type, long id, void *msg) 143 { 144 struct pwctl_softc *sc = ctx; 145 146 DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port, 147 msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off)); 148 hpcio_portwrite(sc->sc_hc, sc->sc_port, 149 msg ? sc->sc_on : sc->sc_off); 150 151 return (0); 152 } 153 154 int 155 pwctl_ghook(void *ctx, int type, long id, void *msg) 156 { 157 struct pwctl_softc *sc = ctx; 158 159 if (CONFIG_HOOK_VALUEP(msg)) 160 return (1); 161 162 *(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on; 163 DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port, 164 *(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off)); 165 166 return (0); 167 } 168 169 int 170 pwctl_hardpower(void *ctx, int type, long id, void *msg) 171 { 172 struct pwctl_softc *sc = ctx; 173 int why =(int)msg; 174 175 VPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port, 176 why == PWR_RESUME? "resume" 177 : why == PWR_SUSPEND? "suspend" : "standby", 178 sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save)); 179 180 switch (why) { 181 case PWR_STANDBY: 182 break; 183 case PWR_SUSPEND: 184 sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port); 185 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off); 186 break; 187 case PWR_RESUME: 188 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save); 189 break; 190 } 191 192 return (0); 193 } 194
Indexes created Sun Sep 21 20:09:37 GMT 2025