wmi_dell.c revision 1.4.2.2
1 1.4.2.2 yamt /* $NetBSD: wmi_dell.c,v 1.4.2.2 2010/08/11 22:53:17 yamt Exp $ */ 2 1.4.2.2 yamt 3 1.4.2.2 yamt /*- 4 1.4.2.2 yamt * Copyright (c) 2009, 2010 The NetBSD Foundation, Inc. 5 1.4.2.2 yamt * All rights reserved. 6 1.4.2.2 yamt * 7 1.4.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.4.2.2 yamt * by Jukka Ruohonen. 9 1.4.2.2 yamt * 10 1.4.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.4.2.2 yamt * modification, are permitted provided that the following conditions 12 1.4.2.2 yamt * are met: 13 1.4.2.2 yamt * 14 1.4.2.2 yamt * 1. Redistributions of source code must retain the above copyright 15 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer. 16 1.4.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 17 1.4.2.2 yamt * notice, this list of conditions and the following disclaimer in the 18 1.4.2.2 yamt * documentation and/or other materials provided with the distribution. 19 1.4.2.2 yamt * 20 1.4.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 1.4.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.4.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.4.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 1.4.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.4.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.4.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.4.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.4.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.4.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.4.2.2 yamt * SUCH DAMAGE. 31 1.4.2.2 yamt */ 32 1.4.2.2 yamt 33 1.4.2.2 yamt #include <sys/cdefs.h> 34 1.4.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: wmi_dell.c,v 1.4.2.2 2010/08/11 22:53:17 yamt Exp $"); 35 1.4.2.2 yamt 36 1.4.2.2 yamt #include <sys/param.h> 37 1.4.2.2 yamt #include <sys/device.h> 38 1.4.2.2 yamt 39 1.4.2.2 yamt #include <dev/acpi/acpireg.h> 40 1.4.2.2 yamt #include <dev/acpi/acpivar.h> 41 1.4.2.2 yamt #include <dev/acpi/wmi/wmi_acpivar.h> 42 1.4.2.2 yamt 43 1.4.2.2 yamt #include <dev/sysmon/sysmonvar.h> 44 1.4.2.2 yamt 45 1.4.2.2 yamt #define _COMPONENT ACPI_RESOURCE_COMPONENT 46 1.4.2.2 yamt ACPI_MODULE_NAME ("wmi_dell") 47 1.4.2.2 yamt 48 1.4.2.2 yamt #define WMI_DELL_HOTKEY_BRIGHTNESS_DOWN 0xE005 49 1.4.2.2 yamt #define WMI_DELL_HOTKEY_BRIGHTNESS_UP 0xE006 50 1.4.2.2 yamt #define WMI_DELL_HOTKEY_DISPLAY_CYCLE 0xE00B 51 1.4.2.2 yamt #define WMI_DELL_HOTKEY_VOLUME_MUTE 0xE020 52 1.4.2.2 yamt #define WMI_DELL_HOTKEY_VOLUME_DOWN 0xE02E 53 1.4.2.2 yamt #define WMI_DELL_HOTKEY_VOLUME_UP 0xE030 54 1.4.2.2 yamt /* WMI_DELL_HOTKEY_UNKNOWN 0xXXXX */ 55 1.4.2.2 yamt 56 1.4.2.2 yamt #define WMI_DELL_PSW_DISPLAY_CYCLE 0 57 1.4.2.2 yamt #define WMI_DELL_PSW_COUNT 1 58 1.4.2.2 yamt 59 1.4.2.2 yamt #define WMI_DELL_GUID_EVENT "9DBB5994-A997-11DA-B012-B622A1EF5492" 60 1.4.2.2 yamt 61 1.4.2.2 yamt struct wmi_dell_softc { 62 1.4.2.2 yamt device_t sc_dev; 63 1.4.2.2 yamt device_t sc_parent; 64 1.4.2.2 yamt struct sysmon_pswitch sc_smpsw[WMI_DELL_PSW_COUNT]; 65 1.4.2.2 yamt bool sc_smpsw_valid; 66 1.4.2.2 yamt }; 67 1.4.2.2 yamt 68 1.4.2.2 yamt static int wmi_dell_match(device_t, cfdata_t, void *); 69 1.4.2.2 yamt static void wmi_dell_attach(device_t, device_t, void *); 70 1.4.2.2 yamt static int wmi_dell_detach(device_t, int); 71 1.4.2.2 yamt static void wmi_dell_notify_handler(ACPI_HANDLE, uint32_t, void *); 72 1.4.2.2 yamt static bool wmi_dell_suspend(device_t, const pmf_qual_t *); 73 1.4.2.2 yamt static bool wmi_dell_resume(device_t, const pmf_qual_t *); 74 1.4.2.2 yamt 75 1.4.2.2 yamt CFATTACH_DECL_NEW(wmidell, sizeof(struct wmi_dell_softc), 76 1.4.2.2 yamt wmi_dell_match, wmi_dell_attach, wmi_dell_detach, NULL); 77 1.4.2.2 yamt 78 1.4.2.2 yamt static int 79 1.4.2.2 yamt wmi_dell_match(device_t parent, cfdata_t match, void *aux) 80 1.4.2.2 yamt { 81 1.4.2.2 yamt return acpi_wmi_guid_match(parent, WMI_DELL_GUID_EVENT); 82 1.4.2.2 yamt } 83 1.4.2.2 yamt 84 1.4.2.2 yamt static void 85 1.4.2.2 yamt wmi_dell_attach(device_t parent, device_t self, void *aux) 86 1.4.2.2 yamt { 87 1.4.2.2 yamt struct wmi_dell_softc *sc = device_private(self); 88 1.4.2.2 yamt ACPI_STATUS rv; 89 1.4.2.2 yamt int e; 90 1.4.2.2 yamt 91 1.4.2.2 yamt sc->sc_dev = self; 92 1.4.2.2 yamt sc->sc_parent = parent; 93 1.4.2.2 yamt sc->sc_smpsw_valid = true; 94 1.4.2.2 yamt 95 1.4.2.2 yamt rv = acpi_wmi_event_register(parent, wmi_dell_notify_handler); 96 1.4.2.2 yamt 97 1.4.2.2 yamt if (ACPI_FAILURE(rv)) { 98 1.4.2.2 yamt aprint_error(": failed to install WMI notify handler\n"); 99 1.4.2.2 yamt return; 100 1.4.2.2 yamt } 101 1.4.2.2 yamt 102 1.4.2.2 yamt aprint_naive("\n"); 103 1.4.2.2 yamt aprint_normal(": Dell WMI mappings\n"); 104 1.4.2.2 yamt 105 1.4.2.2 yamt sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_name = 106 1.4.2.2 yamt PSWITCH_HK_DISPLAY_CYCLE; 107 1.4.2.2 yamt 108 1.4.2.2 yamt sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_type = 109 1.4.2.2 yamt PSWITCH_TYPE_HOTKEY; 110 1.4.2.2 yamt 111 1.4.2.2 yamt e = sysmon_pswitch_register(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE]); 112 1.4.2.2 yamt 113 1.4.2.2 yamt if (e != 0) 114 1.4.2.2 yamt sc->sc_smpsw_valid = false; 115 1.4.2.2 yamt 116 1.4.2.2 yamt (void)pmf_device_register(self, wmi_dell_suspend, wmi_dell_resume); 117 1.4.2.2 yamt } 118 1.4.2.2 yamt 119 1.4.2.2 yamt static int 120 1.4.2.2 yamt wmi_dell_detach(device_t self, int flags) 121 1.4.2.2 yamt { 122 1.4.2.2 yamt struct wmi_dell_softc *sc = device_private(self); 123 1.4.2.2 yamt device_t parent = sc->sc_parent; 124 1.4.2.2 yamt int i; 125 1.4.2.2 yamt 126 1.4.2.2 yamt (void)pmf_device_deregister(self); 127 1.4.2.2 yamt (void)acpi_wmi_event_deregister(parent); 128 1.4.2.2 yamt 129 1.4.2.2 yamt if (sc->sc_smpsw_valid != true) 130 1.4.2.2 yamt return 0; 131 1.4.2.2 yamt 132 1.4.2.2 yamt for (i = 0; i < __arraycount(sc->sc_smpsw); i++) 133 1.4.2.2 yamt sysmon_pswitch_unregister(&sc->sc_smpsw[i]); 134 1.4.2.2 yamt 135 1.4.2.2 yamt return 0; 136 1.4.2.2 yamt } 137 1.4.2.2 yamt 138 1.4.2.2 yamt static bool 139 1.4.2.2 yamt wmi_dell_suspend(device_t self, const pmf_qual_t *qual) 140 1.4.2.2 yamt { 141 1.4.2.2 yamt struct wmi_dell_softc *sc = device_private(self); 142 1.4.2.2 yamt device_t parent = sc->sc_parent; 143 1.4.2.2 yamt 144 1.4.2.2 yamt (void)acpi_wmi_event_deregister(parent); 145 1.4.2.2 yamt 146 1.4.2.2 yamt return true; 147 1.4.2.2 yamt } 148 1.4.2.2 yamt 149 1.4.2.2 yamt static bool 150 1.4.2.2 yamt wmi_dell_resume(device_t self, const pmf_qual_t *qual) 151 1.4.2.2 yamt { 152 1.4.2.2 yamt struct wmi_dell_softc *sc = device_private(self); 153 1.4.2.2 yamt device_t parent = sc->sc_parent; 154 1.4.2.2 yamt 155 1.4.2.2 yamt (void)acpi_wmi_event_register(parent, wmi_dell_notify_handler); 156 1.4.2.2 yamt 157 1.4.2.2 yamt return true; 158 1.4.2.2 yamt } 159 1.4.2.2 yamt 160 1.4.2.2 yamt static void 161 1.4.2.2 yamt wmi_dell_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 162 1.4.2.2 yamt { 163 1.4.2.2 yamt struct wmi_dell_softc *sc; 164 1.4.2.2 yamt device_t self = aux; 165 1.4.2.2 yamt ACPI_OBJECT *obj; 166 1.4.2.2 yamt ACPI_BUFFER buf; 167 1.4.2.2 yamt ACPI_STATUS rv; 168 1.4.2.2 yamt uint32_t val; 169 1.4.2.2 yamt 170 1.4.2.2 yamt buf.Pointer = NULL; 171 1.4.2.2 yamt 172 1.4.2.2 yamt sc = device_private(self); 173 1.4.2.2 yamt rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 174 1.4.2.2 yamt 175 1.4.2.2 yamt if (ACPI_FAILURE(rv)) 176 1.4.2.2 yamt goto out; 177 1.4.2.2 yamt 178 1.4.2.2 yamt obj = buf.Pointer; 179 1.4.2.2 yamt 180 1.4.2.2 yamt if (obj->Type != ACPI_TYPE_BUFFER) { 181 1.4.2.2 yamt rv = AE_TYPE; 182 1.4.2.2 yamt goto out; 183 1.4.2.2 yamt } 184 1.4.2.2 yamt 185 1.4.2.2 yamt val = obj->Buffer.Pointer[1] & 0xFFFF; 186 1.4.2.2 yamt 187 1.4.2.2 yamt switch (val) { 188 1.4.2.2 yamt 189 1.4.2.2 yamt case WMI_DELL_HOTKEY_BRIGHTNESS_DOWN: 190 1.4.2.2 yamt pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 191 1.4.2.2 yamt break; 192 1.4.2.2 yamt 193 1.4.2.2 yamt case WMI_DELL_HOTKEY_BRIGHTNESS_UP: 194 1.4.2.2 yamt pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 195 1.4.2.2 yamt break; 196 1.4.2.2 yamt 197 1.4.2.2 yamt case WMI_DELL_HOTKEY_DISPLAY_CYCLE: 198 1.4.2.2 yamt 199 1.4.2.2 yamt if (sc->sc_smpsw_valid != true) { 200 1.4.2.2 yamt rv = AE_ABORT_METHOD; 201 1.4.2.2 yamt break; 202 1.4.2.2 yamt } 203 1.4.2.2 yamt 204 1.4.2.2 yamt sysmon_pswitch_event(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE], 205 1.4.2.2 yamt PSWITCH_EVENT_PRESSED); 206 1.4.2.2 yamt break; 207 1.4.2.2 yamt 208 1.4.2.2 yamt case WMI_DELL_HOTKEY_VOLUME_MUTE: 209 1.4.2.2 yamt pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 210 1.4.2.2 yamt break; 211 1.4.2.2 yamt 212 1.4.2.2 yamt case WMI_DELL_HOTKEY_VOLUME_DOWN: 213 1.4.2.2 yamt pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 214 1.4.2.2 yamt break; 215 1.4.2.2 yamt 216 1.4.2.2 yamt case WMI_DELL_HOTKEY_VOLUME_UP: 217 1.4.2.2 yamt pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 218 1.4.2.2 yamt break; 219 1.4.2.2 yamt 220 1.4.2.2 yamt default: 221 1.4.2.2 yamt aprint_debug_dev(sc->sc_dev, 222 1.4.2.2 yamt "unknown key 0x%02X for event 0x%02X\n", val, evt); 223 1.4.2.2 yamt break; 224 1.4.2.2 yamt } 225 1.4.2.2 yamt 226 1.4.2.2 yamt out: 227 1.4.2.2 yamt if (buf.Pointer != NULL) 228 1.4.2.2 yamt ACPI_FREE(buf.Pointer); 229 1.4.2.2 yamt 230 1.4.2.2 yamt if (ACPI_FAILURE(rv)) 231 1.4.2.2 yamt aprint_error_dev(sc->sc_dev, "failed to get data for " 232 1.4.2.2 yamt "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 233 1.4.2.2 yamt } 234
Indexes created Wed Oct 01 19:09:53 GMT 2025