/* $NetBSD: wmi_eeepc.c,v 1.4 2015/04/23 23:23:00 pgoyette Exp $ */ /*- * Copyright (c) 2011 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jukka Ruohonen. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: wmi_eeepc.c,v 1.4 2015/04/23 23:23:00 pgoyette Exp $"); #include #include #include #include #include #include #include #define _COMPONENT ACPI_RESOURCE_COMPONENT ACPI_MODULE_NAME ("wmi_eeepc") /* * Current brightness is reported by events in the range of 0x10 to 0x2f. * The low nibble containing a value from 0x0 to 0xA proportionate to * brightness, 0x0 indicates minimum illumination, not backlight off. */ #define WMI_EEEPC_HK_BACKLIGHT_STATUS_BRIGHTNESS_MASK 0x0f /* 0x0 to 0xA */ #define WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_MASK (~WMI_EEEPC_HK_BACKLIGHT_STATUS_BRIGHTNESS_MASK) #define WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_INC 0x10 #define WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_DEC 0x20 #define WMI_EEEPC_HK_VOLUME_UP 0x30 #define WMI_EEEPC_HK_VOLUME_DOWN 0x31 #define WMI_EEEPC_HK_VOLUME_MUTE 0x32 #define WMI_EEEPC_HK_EXPRESSGATE 0x5C /* Also, "SuperHybrid" */ #define WMI_EEEPC_HK_TOUCHPAD 0x6B #define WMI_EEEPC_HK_WIRELESS 0x88 #define WMI_EEEPC_HK_WEBCAM 0xBD #define WMI_EEEPC_HK_DISPLAY_CYCLE 0xCC #define WMI_EEEPC_HK_DISPLAY_SAVER 0xE8 #define WMI_EEEPC_HK_DISPLAY_OFF 0xE9 /* Unlabeled keys on 1215T */ #define WMI_EEEPC_HK_UNKNOWN_xEC 0xEC /* Fn+E */ #define WMI_EEEPC_HK_UNKNOWN_xED 0xED /* Fn+D */ #define WMI_EEEPC_HK_UNKNOWN_xEE 0xEE /* Fn+S */ #define WMI_EEEPC_HK_UNKNOWN_xEF 0xEF /* Fn+F */ #define WMI_EEEPC_IS_BACKLIGHT_STATUS(x) (((x & WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_MASK) == WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_INC) || ((x & WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_MASK) == WMI_EEEPC_HK_BACKLIGHT_STATUS_DIRECTION_DEC)) enum eeepc_smpsw { WMI_EEEPC_PSW_EXPRESSGATE = 0, WMI_EEEPC_PSW_TOUCHPAD, WMI_EEEPC_PSW_WIRELESS, WMI_EEEPC_PSW_WEBCAM, WMI_EEEPC_PSW_DISPLAY_CYCLE, WMI_EEEPC_PSW_DISPLAY_SAVER, WMI_EEEPC_PSW_DISPLAY_OFF, WMI_EEEPC_PSW_UNKNOWN_xEC, WMI_EEEPC_PSW_UNKNOWN_xED, WMI_EEEPC_PSW_UNKNOWN_xEE, WMI_EEEPC_PSW_UNKNOWN_xEF, WMI_EEEPC_PSW_COUNT /* Must be last. */ }; #define WMI_EEEPC_GUID_EVENT "ABBC0F72-8EA1-11D1-00A0-C90629100000" struct wmi_eeepc_softc { device_t sc_dev; device_t sc_parent; struct sysmon_pswitch sc_psw[WMI_EEEPC_PSW_COUNT]; bool sc_psw_valid[WMI_EEEPC_PSW_COUNT]; }; static int wmi_eeepc_match(device_t, cfdata_t, void *); static void wmi_eeepc_attach(device_t, device_t, void *); static int wmi_eeepc_detach(device_t, int); static void wmi_eeepc_notify_handler(ACPI_HANDLE, uint32_t, void *); static bool wmi_eeepc_suspend(device_t, const pmf_qual_t *); static bool wmi_eeepc_resume(device_t, const pmf_qual_t *); CFATTACH_DECL_NEW(wmieeepc, sizeof(struct wmi_eeepc_softc), wmi_eeepc_match, wmi_eeepc_attach, wmi_eeepc_detach, NULL); static int wmi_eeepc_match(device_t parent, cfdata_t match, void *aux) { return acpi_wmi_guid_match(parent, WMI_EEEPC_GUID_EVENT); } static void wmi_eeepc_attach(device_t parent, device_t self, void *aux) { struct wmi_eeepc_softc *sc = device_private(self); ACPI_STATUS rv; sc->sc_dev = self; sc->sc_parent = parent; rv = acpi_wmi_event_register(parent, wmi_eeepc_notify_handler); if (ACPI_FAILURE(rv)) { aprint_error(": failed to install WMI notify handler\n"); return; } aprint_naive("\n"); aprint_normal(": Asus Eee PC WMI mappings\n"); memset(sc->sc_psw, 0, sizeof(sc->sc_psw)); sc->sc_psw[WMI_EEEPC_PSW_EXPRESSGATE].smpsw_name = "expressgate"; sc->sc_psw[WMI_EEEPC_PSW_TOUCHPAD].smpsw_name = "touchpad-toggle"; sc->sc_psw[WMI_EEEPC_PSW_WIRELESS].smpsw_name = "wireless-toggle"; sc->sc_psw[WMI_EEEPC_PSW_WEBCAM].smpsw_name = "camera-button"; sc->sc_psw[WMI_EEEPC_PSW_DISPLAY_CYCLE].smpsw_name = PSWITCH_HK_DISPLAY_CYCLE; sc->sc_psw[WMI_EEEPC_PSW_DISPLAY_SAVER].smpsw_name = PSWITCH_HK_LOCK_SCREEN; sc->sc_psw[WMI_EEEPC_PSW_DISPLAY_OFF].smpsw_name = "display-off"; sc->sc_psw[WMI_EEEPC_PSW_UNKNOWN_xEC].smpsw_name = "unlabeled-xEC"; sc->sc_psw[WMI_EEEPC_PSW_UNKNOWN_xED].smpsw_name = "unlabeled-xED"; sc->sc_psw[WMI_EEEPC_PSW_UNKNOWN_xEE].smpsw_name = "unlabeled-xEE"; sc->sc_psw[WMI_EEEPC_PSW_UNKNOWN_xEF].smpsw_name = "unlabeled-xEF"; for (int i = 0; i < WMI_EEEPC_PSW_COUNT; i++) { KASSERT(sc->sc_psw[i].smpsw_name != NULL); sc->sc_psw[i].smpsw_type = PSWITCH_TYPE_HOTKEY; if (sysmon_pswitch_register(&sc->sc_psw[i]) == 0) { sc->sc_psw_valid[i] = true; } else { sc->sc_psw_valid[i] = false; aprint_error_dev(self, "hotkey[%d] registration failed\n", i); } } (void)pmf_device_register(self, wmi_eeepc_suspend, wmi_eeepc_resume); } static int wmi_eeepc_detach(device_t self, int flags) { struct wmi_eeepc_softc *sc = device_private(self); device_t parent = sc->sc_parent; for (int i = 0; i < WMI_EEEPC_PSW_COUNT; i++) { if (sc->sc_psw_valid[i] == true) { sysmon_pswitch_unregister(&sc->sc_psw[i]); sc->sc_psw_valid[i] = false; } } (void)pmf_device_deregister(self); (void)acpi_wmi_event_deregister(parent); return 0; } static bool wmi_eeepc_suspend(device_t self, const pmf_qual_t *qual) { struct wmi_eeepc_softc *sc = device_private(self); device_t parent = sc->sc_parent; (void)acpi_wmi_event_deregister(parent); return true; } static bool wmi_eeepc_resume(device_t self, const pmf_qual_t *qual) { struct wmi_eeepc_softc *sc = device_private(self); device_t parent = sc->sc_parent; (void)acpi_wmi_event_register(parent, wmi_eeepc_notify_handler); return true; } static void wmi_eeepc_pswitch_event(struct wmi_eeepc_softc *sc, enum eeepc_smpsw key) { if (sc->sc_psw_valid[key] != true) { device_printf(sc->sc_dev, "hotkey[%d] not registered\n", key); return; } /* * This function is called upon key release, * but the default powerd scripts expect presses. * * Anyway, we may as well send the make and the break event. */ sysmon_pswitch_event(&sc->sc_psw[key], PSWITCH_EVENT_PRESSED); sysmon_pswitch_event(&sc->sc_psw[key], PSWITCH_EVENT_RELEASED); } static void wmi_eeepc_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) { struct wmi_eeepc_softc *sc; device_t self = aux; ACPI_OBJECT *obj; ACPI_BUFFER buf; ACPI_STATUS rv; uint32_t val = 0; /* XXX GCC */ buf.Pointer = NULL; sc = device_private(self); rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); if (ACPI_FAILURE(rv)) goto out; obj = buf.Pointer; if (obj->Type != ACPI_TYPE_INTEGER) { rv = AE_TYPE; goto out; } if (obj->Integer.Value > UINT32_MAX) { rv = AE_LIMIT; goto out; } val = obj->Integer.Value; if (WMI_EEEPC_IS_BACKLIGHT_STATUS(val)) { /* We'll silently ignore these for now. */ goto out; } switch (val) { case WMI_EEEPC_HK_VOLUME_UP: pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); break; case WMI_EEEPC_HK_VOLUME_DOWN: pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); break; case WMI_EEEPC_HK_VOLUME_MUTE: pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); break; case WMI_EEEPC_HK_EXPRESSGATE: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_EXPRESSGATE); break; case WMI_EEEPC_HK_TOUCHPAD: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_TOUCHPAD); break; case WMI_EEEPC_HK_WIRELESS: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_WIRELESS); break; case WMI_EEEPC_HK_WEBCAM: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_WEBCAM); break; case WMI_EEEPC_HK_DISPLAY_CYCLE: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_DISPLAY_CYCLE); break; case WMI_EEEPC_HK_DISPLAY_SAVER: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_DISPLAY_SAVER); break; case WMI_EEEPC_HK_DISPLAY_OFF: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_DISPLAY_OFF); break; case WMI_EEEPC_HK_UNKNOWN_xEC: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_UNKNOWN_xEC); break; case WMI_EEEPC_HK_UNKNOWN_xED: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_UNKNOWN_xED); break; case WMI_EEEPC_HK_UNKNOWN_xEE: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_UNKNOWN_xEE); break; case WMI_EEEPC_HK_UNKNOWN_xEF: wmi_eeepc_pswitch_event(sc, WMI_EEEPC_PSW_UNKNOWN_xEF); break; default: device_printf(self, "unknown key 0x%02X for event 0x%02X\n", val, evt); break; } out: if (buf.Pointer != NULL) ACPI_FREE(buf.Pointer); if (ACPI_FAILURE(rv)) device_printf(self, "failed to get data for " "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); } MODULE(MODULE_CLASS_DRIVER, wmieeepc, "acpiwmi,sysmon_power"); #ifdef _MODULE #include "ioconf.c" #endif static int wmieeepc_modcmd(modcmd_t cmd, void *aux) { int rv = 0; switch (cmd) { case MODULE_CMD_INIT: #ifdef _MODULE rv = config_init_component(cfdriver_ioconf_wmieeepc, cfattach_ioconf_wmieeepc, cfdata_ioconf_wmieeepc); #endif break; case MODULE_CMD_FINI: #ifdef _MODULE rv = config_fini_component(cfdriver_ioconf_wmieeepc, cfattach_ioconf_wmieeepc, cfdata_ioconf_wmieeepc); #endif break; default: rv = ENOTTY; } return rv; }