wmi_dell.c revision 1.3.2.2
1 1.3.2.2 uebayasi /* $NetBSD: wmi_dell.c,v 1.3.2.2 2010/04/30 14:43:07 uebayasi Exp $ */ 2 1.3.2.2 uebayasi 3 1.3.2.2 uebayasi /*- 4 1.3.2.2 uebayasi * Copyright (c) 2009, 2010 The NetBSD Foundation, Inc. 5 1.3.2.2 uebayasi * All rights reserved. 6 1.3.2.2 uebayasi * 7 1.3.2.2 uebayasi * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 uebayasi * by Jukka Ruohonen. 9 1.3.2.2 uebayasi * 10 1.3.2.2 uebayasi * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 uebayasi * modification, are permitted provided that the following conditions 12 1.3.2.2 uebayasi * are met: 13 1.3.2.2 uebayasi * 14 1.3.2.2 uebayasi * 1. Redistributions of source code must retain the above copyright 15 1.3.2.2 uebayasi * notice, this list of conditions and the following disclaimer. 16 1.3.2.2 uebayasi * 2. Redistributions in binary form must reproduce the above copyright 17 1.3.2.2 uebayasi * notice, this list of conditions and the following disclaimer in the 18 1.3.2.2 uebayasi * documentation and/or other materials provided with the distribution. 19 1.3.2.2 uebayasi * 20 1.3.2.2 uebayasi * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 1.3.2.2 uebayasi * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.3.2.2 uebayasi * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.3.2.2 uebayasi * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 1.3.2.2 uebayasi * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.3.2.2 uebayasi * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.3.2.2 uebayasi * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.3.2.2 uebayasi * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.3.2.2 uebayasi * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.3.2.2 uebayasi * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.3.2.2 uebayasi * SUCH DAMAGE. 31 1.3.2.2 uebayasi */ 32 1.3.2.2 uebayasi 33 1.3.2.2 uebayasi #include <sys/cdefs.h> 34 1.3.2.2 uebayasi __KERNEL_RCSID(0, "$NetBSD: wmi_dell.c,v 1.3.2.2 2010/04/30 14:43:07 uebayasi Exp $"); 35 1.3.2.2 uebayasi 36 1.3.2.2 uebayasi #include <sys/param.h> 37 1.3.2.2 uebayasi #include <sys/device.h> 38 1.3.2.2 uebayasi 39 1.3.2.2 uebayasi #include <dev/acpi/acpireg.h> 40 1.3.2.2 uebayasi #include <dev/acpi/acpivar.h> 41 1.3.2.2 uebayasi #include <dev/acpi/wmi/wmi_acpivar.h> 42 1.3.2.2 uebayasi 43 1.3.2.2 uebayasi #include <dev/sysmon/sysmonvar.h> 44 1.3.2.2 uebayasi 45 1.3.2.2 uebayasi #define _COMPONENT ACPI_RESOURCE_COMPONENT 46 1.3.2.2 uebayasi ACPI_MODULE_NAME ("wmi_dell") 47 1.3.2.2 uebayasi 48 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_BRIGHTNESS_DOWN 0xE005 49 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_BRIGHTNESS_UP 0xE006 50 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_DISPLAY_CYCLE 0xE00B 51 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_MUTE 0xE020 52 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_DOWN 0xE02E 53 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_UP 0xE030 54 1.3.2.2 uebayasi /* WMI_DELL_HOTKEY_UNKNOWN 0xXXXX */ 55 1.3.2.2 uebayasi 56 1.3.2.2 uebayasi #define WMI_DELL_PSW_DISPLAY_CYCLE 0 57 1.3.2.2 uebayasi #define WMI_DELL_PSW_COUNT 1 58 1.3.2.2 uebayasi 59 1.3.2.2 uebayasi #define WMI_DELL_GUID_EVENT "9DBB5994-A997-11DA-B012-B622A1EF5492" 60 1.3.2.2 uebayasi 61 1.3.2.2 uebayasi struct wmi_dell_softc { 62 1.3.2.2 uebayasi device_t sc_dev; 63 1.3.2.2 uebayasi device_t sc_parent; 64 1.3.2.2 uebayasi struct sysmon_pswitch sc_smpsw[WMI_DELL_PSW_COUNT]; 65 1.3.2.2 uebayasi bool sc_smpsw_valid; 66 1.3.2.2 uebayasi }; 67 1.3.2.2 uebayasi 68 1.3.2.2 uebayasi static int wmi_dell_match(device_t, cfdata_t, void *); 69 1.3.2.2 uebayasi static void wmi_dell_attach(device_t, device_t, void *); 70 1.3.2.2 uebayasi static int wmi_dell_detach(device_t, int); 71 1.3.2.2 uebayasi static void wmi_dell_notify_handler(ACPI_HANDLE, uint32_t, void *); 72 1.3.2.2 uebayasi static bool wmi_dell_suspend(device_t, const pmf_qual_t *); 73 1.3.2.2 uebayasi static bool wmi_dell_resume(device_t, const pmf_qual_t *); 74 1.3.2.2 uebayasi 75 1.3.2.2 uebayasi CFATTACH_DECL_NEW(wmidell, sizeof(struct wmi_dell_softc), 76 1.3.2.2 uebayasi wmi_dell_match, wmi_dell_attach, wmi_dell_detach, NULL); 77 1.3.2.2 uebayasi 78 1.3.2.2 uebayasi static int 79 1.3.2.2 uebayasi wmi_dell_match(device_t parent, cfdata_t match, void *aux) 80 1.3.2.2 uebayasi { 81 1.3.2.2 uebayasi return acpi_wmi_guid_match(parent, WMI_DELL_GUID_EVENT); 82 1.3.2.2 uebayasi } 83 1.3.2.2 uebayasi 84 1.3.2.2 uebayasi static void 85 1.3.2.2 uebayasi wmi_dell_attach(device_t parent, device_t self, void *aux) 86 1.3.2.2 uebayasi { 87 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 88 1.3.2.2 uebayasi ACPI_STATUS rv; 89 1.3.2.2 uebayasi int e; 90 1.3.2.2 uebayasi 91 1.3.2.2 uebayasi sc->sc_dev = self; 92 1.3.2.2 uebayasi sc->sc_parent = parent; 93 1.3.2.2 uebayasi sc->sc_smpsw_valid = true; 94 1.3.2.2 uebayasi 95 1.3.2.2 uebayasi rv = acpi_wmi_event_register(parent, wmi_dell_notify_handler); 96 1.3.2.2 uebayasi 97 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) { 98 1.3.2.2 uebayasi aprint_error(": failed to install WMI notify handler\n"); 99 1.3.2.2 uebayasi return; 100 1.3.2.2 uebayasi } 101 1.3.2.2 uebayasi 102 1.3.2.2 uebayasi aprint_naive("\n"); 103 1.3.2.2 uebayasi aprint_normal(": Dell WMI mappings\n"); 104 1.3.2.2 uebayasi 105 1.3.2.2 uebayasi sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_name = 106 1.3.2.2 uebayasi PSWITCH_HK_DISPLAY_CYCLE; 107 1.3.2.2 uebayasi 108 1.3.2.2 uebayasi sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_type = 109 1.3.2.2 uebayasi PSWITCH_TYPE_HOTKEY; 110 1.3.2.2 uebayasi 111 1.3.2.2 uebayasi e = sysmon_pswitch_register(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE]); 112 1.3.2.2 uebayasi 113 1.3.2.2 uebayasi if (e != 0) 114 1.3.2.2 uebayasi sc->sc_smpsw_valid = false; 115 1.3.2.2 uebayasi 116 1.3.2.2 uebayasi (void)pmf_device_register(self, wmi_dell_suspend, wmi_dell_resume); 117 1.3.2.2 uebayasi } 118 1.3.2.2 uebayasi 119 1.3.2.2 uebayasi static int 120 1.3.2.2 uebayasi wmi_dell_detach(device_t self, int flags) 121 1.3.2.2 uebayasi { 122 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 123 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 124 1.3.2.2 uebayasi int i; 125 1.3.2.2 uebayasi 126 1.3.2.2 uebayasi (void)pmf_device_deregister(self); 127 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 128 1.3.2.2 uebayasi 129 1.3.2.2 uebayasi if (sc->sc_smpsw_valid != true) 130 1.3.2.2 uebayasi return 0; 131 1.3.2.2 uebayasi 132 1.3.2.2 uebayasi for (i = 0; i < __arraycount(sc->sc_smpsw); i++) 133 1.3.2.2 uebayasi sysmon_pswitch_unregister(&sc->sc_smpsw[i]); 134 1.3.2.2 uebayasi 135 1.3.2.2 uebayasi return 0; 136 1.3.2.2 uebayasi } 137 1.3.2.2 uebayasi 138 1.3.2.2 uebayasi static bool 139 1.3.2.2 uebayasi wmi_dell_suspend(device_t self, const pmf_qual_t *qual) 140 1.3.2.2 uebayasi { 141 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 142 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 143 1.3.2.2 uebayasi 144 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 145 1.3.2.2 uebayasi 146 1.3.2.2 uebayasi return true; 147 1.3.2.2 uebayasi } 148 1.3.2.2 uebayasi 149 1.3.2.2 uebayasi static bool 150 1.3.2.2 uebayasi wmi_dell_resume(device_t self, const pmf_qual_t *qual) 151 1.3.2.2 uebayasi { 152 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 153 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 154 1.3.2.2 uebayasi 155 1.3.2.2 uebayasi (void)acpi_wmi_event_register(parent, wmi_dell_notify_handler); 156 1.3.2.2 uebayasi 157 1.3.2.2 uebayasi return true; 158 1.3.2.2 uebayasi } 159 1.3.2.2 uebayasi 160 1.3.2.2 uebayasi static void 161 1.3.2.2 uebayasi wmi_dell_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 162 1.3.2.2 uebayasi { 163 1.3.2.2 uebayasi struct wmi_dell_softc *sc; 164 1.3.2.2 uebayasi device_t self = aux; 165 1.3.2.2 uebayasi ACPI_OBJECT *obj; 166 1.3.2.2 uebayasi ACPI_BUFFER buf; 167 1.3.2.2 uebayasi ACPI_STATUS rv; 168 1.3.2.2 uebayasi uint32_t val; 169 1.3.2.2 uebayasi 170 1.3.2.2 uebayasi sc = device_private(self); 171 1.3.2.2 uebayasi rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 172 1.3.2.2 uebayasi 173 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 174 1.3.2.2 uebayasi goto out; 175 1.3.2.2 uebayasi 176 1.3.2.2 uebayasi obj = buf.Pointer; 177 1.3.2.2 uebayasi 178 1.3.2.2 uebayasi if (obj->Type != ACPI_TYPE_BUFFER) { 179 1.3.2.2 uebayasi rv = AE_TYPE; 180 1.3.2.2 uebayasi goto out; 181 1.3.2.2 uebayasi } 182 1.3.2.2 uebayasi 183 1.3.2.2 uebayasi val = obj->Buffer.Pointer[1] & 0xFFFF; 184 1.3.2.2 uebayasi 185 1.3.2.2 uebayasi switch (val) { 186 1.3.2.2 uebayasi 187 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_BRIGHTNESS_DOWN: 188 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 189 1.3.2.2 uebayasi break; 190 1.3.2.2 uebayasi 191 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_BRIGHTNESS_UP: 192 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 193 1.3.2.2 uebayasi break; 194 1.3.2.2 uebayasi 195 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_DISPLAY_CYCLE: 196 1.3.2.2 uebayasi 197 1.3.2.2 uebayasi if (sc->sc_smpsw_valid != true) { 198 1.3.2.2 uebayasi rv = AE_ABORT_METHOD; 199 1.3.2.2 uebayasi break; 200 1.3.2.2 uebayasi } 201 1.3.2.2 uebayasi 202 1.3.2.2 uebayasi sysmon_pswitch_event(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE], 203 1.3.2.2 uebayasi PSWITCH_EVENT_PRESSED); 204 1.3.2.2 uebayasi break; 205 1.3.2.2 uebayasi 206 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_MUTE: 207 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 208 1.3.2.2 uebayasi break; 209 1.3.2.2 uebayasi 210 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_DOWN: 211 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 212 1.3.2.2 uebayasi break; 213 1.3.2.2 uebayasi 214 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_UP: 215 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 216 1.3.2.2 uebayasi break; 217 1.3.2.2 uebayasi 218 1.3.2.2 uebayasi default: 219 1.3.2.2 uebayasi aprint_debug_dev(sc->sc_dev, 220 1.3.2.2 uebayasi "unknown key 0x%02X for event 0x%02X\n", val, evt); 221 1.3.2.2 uebayasi break; 222 1.3.2.2 uebayasi } 223 1.3.2.2 uebayasi 224 1.3.2.2 uebayasi out: 225 1.3.2.2 uebayasi if (buf.Pointer != NULL) 226 1.3.2.2 uebayasi ACPI_FREE(buf.Pointer); 227 1.3.2.2 uebayasi 228 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 229 1.3.2.2 uebayasi aprint_error_dev(sc->sc_dev, "failed to get data for " 230 1.3.2.2 uebayasi "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 231 1.3.2.2 uebayasi } 232
Indexes created Wed Oct 01 15:09:59 GMT 2025