1 /* $NetBSD: pwctl.c,v 1.2 2001/04/30 11:42:17 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/config_hook.h> 44 #include <machine/platid.h> 45 #include <machine/platid_mask.h> 46 47 #include <dev/hpc/hpciovar.h> 48 49 #include "locators.h" 50 51 #define PWCTLVRGIUDEBUG 52 #ifdef PWCTLVRGIUDEBUG 53 int pwctl_debug = 0; 54 #define DPRINTF(arg) if (pwctl_debug) printf arg; 55 #else 56 #define DPRINTF(arg) 57 #endif 58 59 struct pwctl_softc { 60 struct device sc_dev; 61 hpcio_chip_t sc_hc; 62 int sc_port; 63 long sc_id; 64 int sc_on, sc_off; 65 config_hook_tag sc_hook_tag; 66 config_hook_tag sc_hook_hardpower; 67 config_hook_tag sc_ghook_tag; 68 int sc_save; 69 int sc_initvalue; 70 }; 71 72 static int pwctl_match __P((struct device *, struct cfdata *, 73 void *)); 74 static void pwctl_attach __P((struct device *, struct device *, 75 void *)); 76 static int pwctl_hook __P((void *ctx, int type, long id, 77 void *msg)); 78 static int pwctl_ghook __P((void *ctx, int type, long id, 79 void *msg)); 80 int pwctl_hardpower __P((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(parent, match, aux) 88 struct device *parent; 89 struct cfdata *match; 90 void *aux; 91 { 92 platid_mask_t mask; 93 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(parent, self, aux) 104 struct device *parent; 105 struct device *self; 106 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 printf(" port=%d id=%ld on=%d%s", 120 sc->sc_port, sc->sc_id, sc->sc_on, 121 sc->sc_initvalue == -1 ? "" : 122 sc->sc_initvalue ? " init=on" : " init=off"); 123 124 if (sc->sc_port == HPCIOIFCF_PORT_DEFAULT || 125 sc->sc_id == HPCIOIFCF_ID_DEFAULT) { 126 printf(" (ignored)"); 127 } else { 128 sc->sc_hook_tag = config_hook(CONFIG_HOOK_POWERCONTROL, 129 sc->sc_id, CONFIG_HOOK_SHARE, 130 pwctl_hook, sc); 131 sc->sc_ghook_tag = config_hook(CONFIG_HOOK_GET, 132 sc->sc_id, CONFIG_HOOK_SHARE, 133 pwctl_ghook, sc); 134 sc->sc_hook_hardpower = config_hook(CONFIG_HOOK_PMEVENT, 135 CONFIG_HOOK_PMEVENT_HARDPOWER, 136 CONFIG_HOOK_SHARE, 137 pwctl_hardpower, sc); 138 139 } 140 if (sc->sc_initvalue != -1) 141 hpcio_portwrite(sc->sc_hc, sc->sc_port, 142 sc->sc_initvalue ? sc->sc_on : sc->sc_off); 143 printf("\n"); 144 } 145 146 int 147 pwctl_hook(ctx, type, id, msg) 148 void *ctx; 149 int type; 150 long id; 151 void *msg; 152 { 153 struct pwctl_softc *sc = ctx; 154 155 DPRINTF(("pwctl hook: port %d %s(%d)", sc->sc_port, 156 msg ? "ON" : "OFF", msg ? sc->sc_on : sc->sc_off)); 157 hpcio_portwrite(sc->sc_hc, sc->sc_port, 158 msg ? sc->sc_on : sc->sc_off); 159 return (0); 160 } 161 162 int 163 pwctl_ghook(ctx, type, id, msg) 164 void *ctx; 165 int type; 166 long id; 167 void *msg; 168 { 169 struct pwctl_softc *sc = ctx; 170 171 if (CONFIG_HOOK_VALUEP(msg)) 172 return 1; 173 174 *(int*)msg = hpcio_portread(sc->sc_hc, sc->sc_port) == sc->sc_on; 175 DPRINTF(("pwctl ghook: port %d %s(%d)", sc->sc_port, 176 *(int*)msg? "ON" : "OFF", *(int*)msg ? sc->sc_on : sc->sc_off)); 177 return 0; 178 } 179 180 int 181 pwctl_hardpower(ctx, type, id, msg) 182 void *ctx; 183 int type; 184 long id; 185 void *msg; 186 { 187 struct pwctl_softc *sc = ctx; 188 int why =(int)msg; 189 190 #if 0 191 /* XXX debug print cause hang system... Huum...*/ 192 DPRINTF(("pwctl hardpower: port %d %s: %s(%d)\n", sc->sc_port, 193 why == PWR_RESUME? "resume" 194 : why == PWR_SUSPEND? "suspend" : "standby", 195 sc->sc_save == sc->sc_on ? "on": "off", sc->sc_save)); 196 #endif /* 0 */ 197 switch (why) { 198 case PWR_STANDBY: 199 break; 200 case PWR_SUSPEND: 201 sc->sc_save = hpcio_portread(sc->sc_hc, sc->sc_port); 202 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_off); 203 break; 204 case PWR_RESUME: 205 hpcio_portwrite(sc->sc_hc, sc->sc_port, sc->sc_save); 206 break; 207 } 208 return (0); 209 } 210