/* $OpenBSD: acpiac.c,v 1.17 2007/02/21 03:58:12 marco Exp $ */ /* * Copyright (c) 2005 Marco Peereboom * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include #include #include #include #include #include #include int acpiac_match(struct device *, void *, void *); void acpiac_attach(struct device *, struct device *, void *); int acpiac_notify(struct aml_node *, int, void *); void acpiac_refresh(void *); int acpiac_getsta(struct acpiac_softc *); struct cfattach acpiac_ca = { sizeof(struct acpiac_softc), acpiac_match, acpiac_attach }; struct cfdriver acpiac_cd = { NULL, "acpiac", DV_DULL }; int acpiac_match(struct device *parent, void *match, void *aux) { struct acpi_attach_args *aa = aux; struct cfdata *cf = match; /* sanity */ if (aa->aaa_name == NULL || strcmp(aa->aaa_name, cf->cf_driver->cd_name) != 0 || aa->aaa_table != NULL) return (0); return (1); } void acpiac_attach(struct device *parent, struct device *self, void *aux) { struct acpiac_softc *sc = (struct acpiac_softc *)self; struct acpi_attach_args *aa = aux; sc->sc_acpi = (struct acpi_softc *)parent; sc->sc_devnode = aa->aaa_node->child; aml_register_notify(sc->sc_devnode->parent, aa->aaa_dev, acpiac_notify, sc, ACPIDEV_NOPOLL); acpiac_getsta(sc); printf(": AC unit "); if (sc->sc_ac_stat == PSR_ONLINE) printf("online\n"); else if (sc->sc_ac_stat == PSR_OFFLINE) printf("offline\n"); else printf("in unknown state\n"); strlcpy(sc->sc_sensdev.xname, DEVNAME(sc), sizeof(sc->sc_sensdev.xname)); strlcpy(sc->sc_sens[0].desc, "power supply", sizeof(sc->sc_sens[0].desc)); sc->sc_sens[0].type = SENSOR_INDICATOR; sensor_attach(&sc->sc_sensdev, &sc->sc_sens[0]); sensordev_install(&sc->sc_sensdev); sc->sc_sens[0].value = sc->sc_ac_stat; } void acpiac_refresh(void *arg) { struct acpiac_softc *sc = arg; acpiac_getsta(sc); sc->sc_sens[0].value = sc->sc_ac_stat; } int acpiac_getsta(struct acpiac_softc *sc) { struct aml_value res; if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "_STA", 0, NULL, NULL)) { dnprintf(10, "%s: no _STA\n", DEVNAME(sc)); } if (aml_evalname(sc->sc_acpi, sc->sc_devnode, "_PSR", 0, NULL, &res)) { dnprintf(10, "%s: no _PSR\n", DEVNAME(sc)); return (1); } sc->sc_ac_stat = aml_val2int(&res); aml_freevalue(&res); return (0); } int acpiac_notify(struct aml_node *node, int notify_type, void *arg) { struct acpiac_softc *sc = arg; dnprintf(10, "acpiac_notify: %.2x %s\n", notify_type, sc->sc_devnode->parent->name); switch (notify_type) { case 0x81: /* * XXX some sony vaio's use the wrong notify type * work around it by honoring it as a 0x80 */ /* FALLTHROUGH */ case 0x80: acpiac_refresh(sc); dnprintf(10, "A/C status: %d\n", sc->sc_ac_stat); break; } return (0); }