1 /* $NetBSD: pwctl.c,v 1.5 2001/06/04 18:59:32 uch 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 = 1; 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(struct device *, struct cfdata *, void *); 74 static void pwctl_attach(struct device *, struct device *, void *); 75 static int pwctl_hook(void *, int, long, void *); 76 static int pwctl_ghook(void *, int, long, void *); 77 int pwctl_hardpower(void *, int, long, void *); 78 79 struct cfattach pwctl_ca = { 80 sizeof(struct pwctl_softc), pwctl_match, pwctl_attach 81 }; 82 83 int 84 pwctl_match(struct device *parent, struct cfdata *match, void *aux) 85 { 86 struct hpcio_attach_args *haa = aux; 87 platid_mask_t mask; 88 89 if (strcmp(haa->haa_busname, HPCIO_BUSNAME)) 90 return (0); 91 if (match->cf_loc[HPCIOIFCF_PLATFORM] == 0) 92 return (0); 93 mask = PLATID_DEREF(match->cf_loc[HPCIOIFCF_PLATFORM]); 94 if (!platid_match(&platid, &mask)) 95 return (0); 96 return (1); 97 } 98 99 void 100 pwctl_attach(struct device *parent, struct device *self, void *aux) 101 { 102 struct hpcio_attach_args *haa = aux; 103 int *loc; 104 struct pwctl_softc *sc = (void*)self; 105 106 loc = sc->sc_dev.dv_cfdata->cf_loc; 107 sc->sc_hc = (*haa->haa_getchip)(haa->haa_sc, loc[HPCIOIFCF_IOCHIP]); 108 sc->sc_port = loc[HPCIOIFCF_PORT]; 109 sc->sc_id = loc[HPCIOIFCF_ID]; 110 sc->sc_on = loc[HPCIOIFCF_ACTIVE] ? 1 : 0; 111 sc->sc_off = loc[HPCIOIFCF_ACTIVE] ? 0 : 1; 112 sc->sc_initvalue = loc[HPCIOIFCF_INITVALUE]; 113 114 printf(" port=%d id=%ld on=%d%s", 115 sc->sc_port, sc->sc_id, sc->sc_on, 116 sc->sc_initvalue == -1 ? "" : 117 sc->sc_initvalue ? " init=on" : " init=off"); 118 119 if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT || 120 sc->sc_id == HPCIOIFCF_ID_DEFAULT) { 121 printf(" (ignored)"); 122 } else { 123 sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL, 124 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_hook, sc); 125 sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET, 126 sc->sc_id, CONFIG_HOOK_SHARE, pwctl_ghook, sc); 127 sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 128 CONFIG_HOOK_PMEVENT_HARDPOWER, CONFIG_HOOK_SHARE, 129 pwctl_hardpower, sc); 130 } 131 132 if (sc->sc_initvalue != -1) 133 hpcio_portwrite(sc->sc_hc, sc->sc_port, 134 sc->sc_initvalue ? sc->sc_on : sc->sc_off); 135 printf("\n"); 136 } 137 138 int 139 pwctl_hook(void *ctx, int type, long id, void *msg) 140 { 141 struct pwctl_softc *sc = ctx; 142 143 DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port, 144 msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off)); 145 hpcio_portwrite(sc->sc_hc, sc->sc_port, 146 msg ? sc->sc_on : sc->sc_off); 147 148 return (0); 149 } 150 151 int 152 pwctl_ghook(void *ctx, int type, long id, void *msg) 153 { 154 struct pwctl_softc *sc = ctx; 155 156 if (CONFIG_HOOK_VALUEP(msg)) 157 return (1); 158 159 *(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on; 160 DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port, 161 *(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off)); 162 163 return (0); 164 } 165 166 int 167 pwctl_hardpower(void *ctx, int type, long id, void *msg) 168 { 169 struct pwctl_softc *sc = ctx; 170 int why =(int)msg; 171 172 #if 1 173 /* XXX debug print cause hang system... Huum...*/ 174 DPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port, 175 why == PWR_RESUME? "resume" 176 : why == PWR_SUSPEND? "suspend" : "standby", 177 sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save)); 178 #endif /* 0 */ 179 switch (why) { 180 case PWR_STANDBY: 181 break; 182 case PWR_SUSPEND: 183 sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port); 184 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off); 185 break; 186 case PWR_RESUME: 187 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save); 188 break; 189 } 190 191 return (0); 192 } 193