/* $OpenBSD: acpisony.c,v 1.5 2014/02/21 18:49:06 deraadt Exp $ */ /* * Copyright (c) 2010 Paul Irofti * * Permission to use, copy, modify, and/or 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 int acpisony_match(struct device *, void *, void *); void acpisony_attach(struct device *, struct device *, void *); int acpisony_activate(struct device *, int); int acpisony_notify(struct aml_node *, int, void *); #ifdef ACPISONY_DEBUG #define DPRINTF(x) printf x #else #define DPRINTF(x) #endif /* Notifications */ #define SONY_NOTIFY_FN_KEY 0x90 #define SONY_NOTIFY_BRIGHTNESS_DOWN_PRESSED 0x85 #define SONY_NOTIFY_BRIGHTNESS_DOWN_RELEASED 0x05 #define SONY_NOTIFY_BRIGHTNESS_UP_PRESSED 0x86 #define SONY_NOTIFY_BRIGHTNESS_UP_RELEASED 0x06 #define SONY_NOTIFY_DISPLAY_SWITCH_PRESSED 0x87 #define SONY_NOTIFY_DISPLAY_SWITCH_RELEASED 0x07 #define SONY_NOTIFY_ZOOM_OUT_PRESSED 0x89 #define SONY_NOTIFY_ZOOM_OUT_RELEASED 0x09 #define SONY_NOTIFY_ZOOM_IN_PRESSED 0x8a #define SONY_NOTIFY_ZOOM_IN_RELEASED 0x0a #define SONY_NOTIFY_SUSPEND_PRESSED 0x8c #define SONY_NOTIFY_SUSPEND_RELEASED 0x0c struct acpisony_softc { struct device sc_dev; bus_space_tag_t sc_iot; bus_space_handle_t sc_ioh; struct acpi_softc *sc_acpi; struct aml_node *sc_devnode; }; struct cfattach acpisony_ca = { sizeof(struct acpisony_softc), acpisony_match, acpisony_attach, NULL, acpisony_activate }; struct cfdriver acpisony_cd = { NULL, "acpisony", DV_DULL }; void acpisony_notify_setup(struct acpisony_softc *); int acpisony_set_hotkey(struct acpisony_softc *, int, int); int acpisony_find_offset(struct acpisony_softc *, int); void acpisony_brightness_down(struct acpisony_softc *); int acpisony_get_brightness(struct acpisony_softc *); void acpisony_set_brightness(struct acpisony_softc *, int); int acpisony_match(struct device *parent, void *match, void *aux) { struct acpi_attach_args *aa = aux; struct cfdata *cf = match; if (aa->aaa_name == NULL || strcmp(aa->aaa_name, cf->cf_driver->cd_name) != 0 || aa->aaa_table != NULL) return (0); return (1); } void acpisony_attach(struct device *parent, struct device *self, void *aux) { struct acpisony_softc *sc = (struct acpisony_softc *)self; struct acpi_attach_args *aa = aux; sc->sc_acpi = (struct acpi_softc *)parent; sc->sc_devnode = aa->aaa_node; printf(": %s\n", sc->sc_devnode->name); /* Setup the notification masks */ acpisony_notify_setup(sc); aml_register_notify(sc->sc_devnode, aa->aaa_dev, acpisony_notify, sc, ACPIDEV_NOPOLL); } int acpisony_activate(struct device *self, int act) { struct acpisony_softc *sc = (struct acpisony_softc *)self; switch (act) { case DVACT_WAKEUP: acpisony_notify_setup(sc); break; } return 0; } int acpisony_notify(struct aml_node *node, int notify, void *arg) { struct acpisony_softc *sc = arg; int val, key = 0; if (notify == SONY_NOTIFY_FN_KEY) { notify -= 0x90; DPRINTF(("notify = %X", notify)); if (notify == acpisony_find_offset(sc, 0x100)) { DPRINTF(("key = 0x100\n")); key = 0x100; } if (notify == acpisony_find_offset(sc, 0x127)) { DPRINTF(("key = 0x127\n")); key = 0x127; } if (key) { val = acpisony_set_hotkey(sc, key, 0x200); if (val < 0) { printf("returned val = %X", val); return 1; } notify = val & 0xff; DPRINTF(("Treat %X events, notify %X\n", key, notify)); } else DPRINTF(("rfkill update, notify %X\n", notify)); } switch (notify) { case SONY_NOTIFY_BRIGHTNESS_DOWN_PRESSED: DPRINTF(("br-down-pressed\n")); acpisony_brightness_down(sc); break; case SONY_NOTIFY_BRIGHTNESS_DOWN_RELEASED: DPRINTF(("br-down-released\n")); break; case SONY_NOTIFY_BRIGHTNESS_UP_PRESSED: DPRINTF(("br-up-pressed\n")); break; case SONY_NOTIFY_BRIGHTNESS_UP_RELEASED: DPRINTF(("br-up-released\n")); break; case SONY_NOTIFY_DISPLAY_SWITCH_PRESSED: DPRINTF(("display-pressed\n")); break; case SONY_NOTIFY_DISPLAY_SWITCH_RELEASED: DPRINTF(("display-released\n")); break; case SONY_NOTIFY_ZOOM_IN_PRESSED: DPRINTF(("zoom-in-pressed\n")); break; case SONY_NOTIFY_ZOOM_IN_RELEASED: DPRINTF(("zoom-in-released\n")); break; case SONY_NOTIFY_ZOOM_OUT_PRESSED: DPRINTF(("zoom-out-pressed\n")); break; case SONY_NOTIFY_ZOOM_OUT_RELEASED: DPRINTF(("zoom-out-released\n")); break; case SONY_NOTIFY_SUSPEND_PRESSED: DPRINTF(("suspend-pressed\n")); #ifndef SMALL_KERNEL if (acpi_record_event(sc->sc_acpi, APM_USER_SUSPEND_REQ)) acpi_addtask(sc->sc_acpi, acpi_sleep_task, sc->sc_acpi, ACPI_STATE_S3); #endif break; case SONY_NOTIFY_SUSPEND_RELEASED: DPRINTF(("suspend-released\n")); break; default: printf("%s: unknown event 0x%02x\n", DEVNAME(sc), notify); break; } return 0; } void acpisony_notify_setup(struct acpisony_softc *sc) { struct aml_value arg; bzero(&arg, sizeof(arg)); arg.type = AML_OBJTYPE_INTEGER; arg.v_integer = 1; aml_evalname(sc->sc_acpi, sc->sc_devnode, "ECON", 1, &arg, NULL); /* Enable all events */ arg.v_integer = 0xffff; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN02", 1, &arg, NULL); /* Enable hotkeys */ arg.v_integer = 0x04; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN02", 1, &arg, NULL); arg.v_integer = 0x02; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN07", 1, &arg, NULL); arg.v_integer = 0x10; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN02", 1, &arg, NULL); arg.v_integer = 0x00; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN07", 1, &arg, NULL); arg.v_integer = 0x02; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN03", 1, &arg, NULL); arg.v_integer = 0x101; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN07", 1, &arg, NULL); } int acpisony_find_offset(struct acpisony_softc *sc, int key) { struct aml_value arg, res; int val; bzero(&arg, sizeof(arg)); arg.type = AML_OBJTYPE_INTEGER; for (arg.v_integer = 0x20; arg.v_integer < 0x30; arg.v_integer++) { aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN00", 1, &arg, &res); val = aml_val2int(&res); aml_freevalue(&res); if (val == key) { DPRINTF(("Matched key %X\n", val)); return arg.v_integer - 0x20; } } return -1; } int acpisony_set_hotkey(struct acpisony_softc *sc, int key, int val) { int off, rc = -1; struct aml_value res, arg; bzero(&arg, sizeof(arg)); arg.type = AML_OBJTYPE_INTEGER; off = acpisony_find_offset(sc, key); DPRINTF(("off = %X\n", off)); if (off < 0) return rc; arg.v_integer = off | val; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SN07", 1, &arg, &res); rc = aml_val2int(&res); aml_freevalue(&res); return rc; } void acpisony_brightness_down(struct acpisony_softc *sc) { int val; val = acpisony_get_brightness(sc); DPRINTF(("current value = %X", val)); if (val > 0) val--; else val = 0; DPRINTF(("next value = %X", val)); acpisony_set_brightness(sc, val); } int acpisony_get_brightness(struct acpisony_softc *sc) { struct aml_value res; int val; aml_evalname(sc->sc_acpi, sc->sc_devnode, "GBRT", 0, NULL, &res); val = aml_val2int(&res); aml_freevalue(&res); return val; } void acpisony_set_brightness(struct acpisony_softc *sc, int level) { struct aml_value arg; bzero(&arg, sizeof(arg)); arg.type = AML_OBJTYPE_INTEGER; arg.v_integer = level; aml_evalname(sc->sc_acpi, sc->sc_devnode, "SBRT", 1, &arg, NULL); aml_freevalue(&arg); }