wmi_eeepc.c revision 1.2.4.2
1 1.2.4.2 rmind /* $NetBSD: wmi_eeepc.c,v 1.2.4.2 2011/03/05 20:53:05 rmind Exp $ */ 2 1.2.4.2 rmind 3 1.2.4.2 rmind /*- 4 1.2.4.2 rmind * Copyright (c) 2011 The NetBSD Foundation, Inc. 5 1.2.4.2 rmind * All rights reserved. 6 1.2.4.2 rmind * 7 1.2.4.2 rmind * This code is derived from software contributed to The NetBSD Foundation 8 1.2.4.2 rmind * by Jukka Ruohonen. 9 1.2.4.2 rmind * 10 1.2.4.2 rmind * Redistribution and use in source and binary forms, with or without 11 1.2.4.2 rmind * modification, are permitted provided that the following conditions 12 1.2.4.2 rmind * are met: 13 1.2.4.2 rmind * 14 1.2.4.2 rmind * 1. Redistributions of source code must retain the above copyright 15 1.2.4.2 rmind * notice, this list of conditions and the following disclaimer. 16 1.2.4.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.4.2 rmind * notice, this list of conditions and the following disclaimer in the 18 1.2.4.2 rmind * documentation and/or other materials provided with the distribution. 19 1.2.4.2 rmind * 20 1.2.4.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 1.2.4.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.2.4.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.2.4.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 1.2.4.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.2.4.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.2.4.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.2.4.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.2.4.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.2.4.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.2.4.2 rmind * SUCH DAMAGE. 31 1.2.4.2 rmind */ 32 1.2.4.2 rmind 33 1.2.4.2 rmind #include <sys/cdefs.h> 34 1.2.4.2 rmind __KERNEL_RCSID(0, "$NetBSD: wmi_eeepc.c,v 1.2.4.2 2011/03/05 20:53:05 rmind Exp $"); 35 1.2.4.2 rmind 36 1.2.4.2 rmind #include <sys/param.h> 37 1.2.4.2 rmind #include <sys/device.h> 38 1.2.4.2 rmind #include <sys/module.h> 39 1.2.4.2 rmind 40 1.2.4.2 rmind #include <dev/acpi/acpireg.h> 41 1.2.4.2 rmind #include <dev/acpi/acpivar.h> 42 1.2.4.2 rmind #include <dev/acpi/wmi/wmi_acpivar.h> 43 1.2.4.2 rmind 44 1.2.4.2 rmind #include <dev/sysmon/sysmonvar.h> 45 1.2.4.2 rmind 46 1.2.4.2 rmind #define _COMPONENT ACPI_RESOURCE_COMPONENT 47 1.2.4.2 rmind ACPI_MODULE_NAME ("wmi_eeepc") 48 1.2.4.2 rmind 49 1.2.4.2 rmind #define WMI_EEEPC_HK_VOLUME_UP 0x30 50 1.2.4.2 rmind #define WMI_EEEPC_HK_VOLUME_DOWN 0x31 51 1.2.4.2 rmind #define WMI_EEEPC_HK_VOLUME_MUTE 0x32 52 1.2.4.2 rmind #define WMI_EEEPC_HK_DISPLAY_CYCLE 0xCC 53 1.2.4.2 rmind #define WMI_EEEPC_HK_DISPLAY_OFF 0xE9 54 1.2.4.2 rmind /* WMI_EEEPC_HK_UNKNOWN 0xXX */ 55 1.2.4.2 rmind 56 1.2.4.2 rmind #define WMI_EEEPC_PSW_DISPLAY_CYCLE 0 57 1.2.4.2 rmind #define WMI_EEEPC_PSW_COUNT 1 58 1.2.4.2 rmind 59 1.2.4.2 rmind #define WMI_EEEPC_GUID_EVENT "ABBC0F72-8EA1-11D1-00A0-C90629100000" 60 1.2.4.2 rmind 61 1.2.4.2 rmind struct wmi_eeepc_softc { 62 1.2.4.2 rmind device_t sc_dev; 63 1.2.4.2 rmind device_t sc_parent; 64 1.2.4.2 rmind struct sysmon_pswitch sc_smpsw[WMI_EEEPC_PSW_COUNT]; 65 1.2.4.2 rmind bool sc_smpsw_valid; 66 1.2.4.2 rmind }; 67 1.2.4.2 rmind 68 1.2.4.2 rmind static int wmi_eeepc_match(device_t, cfdata_t, void *); 69 1.2.4.2 rmind static void wmi_eeepc_attach(device_t, device_t, void *); 70 1.2.4.2 rmind static int wmi_eeepc_detach(device_t, int); 71 1.2.4.2 rmind static void wmi_eeepc_notify_handler(ACPI_HANDLE, uint32_t, void *); 72 1.2.4.2 rmind static bool wmi_eeepc_suspend(device_t, const pmf_qual_t *); 73 1.2.4.2 rmind static bool wmi_eeepc_resume(device_t, const pmf_qual_t *); 74 1.2.4.2 rmind 75 1.2.4.2 rmind CFATTACH_DECL_NEW(wmieeepc, sizeof(struct wmi_eeepc_softc), 76 1.2.4.2 rmind wmi_eeepc_match, wmi_eeepc_attach, wmi_eeepc_detach, NULL); 77 1.2.4.2 rmind 78 1.2.4.2 rmind static int 79 1.2.4.2 rmind wmi_eeepc_match(device_t parent, cfdata_t match, void *aux) 80 1.2.4.2 rmind { 81 1.2.4.2 rmind return acpi_wmi_guid_match(parent, WMI_EEEPC_GUID_EVENT); 82 1.2.4.2 rmind } 83 1.2.4.2 rmind 84 1.2.4.2 rmind static void 85 1.2.4.2 rmind wmi_eeepc_attach(device_t parent, device_t self, void *aux) 86 1.2.4.2 rmind { 87 1.2.4.2 rmind static const int dc = WMI_EEEPC_PSW_DISPLAY_CYCLE; 88 1.2.4.2 rmind struct wmi_eeepc_softc *sc = device_private(self); 89 1.2.4.2 rmind ACPI_STATUS rv; 90 1.2.4.2 rmind 91 1.2.4.2 rmind sc->sc_dev = self; 92 1.2.4.2 rmind sc->sc_parent = parent; 93 1.2.4.2 rmind sc->sc_smpsw_valid = false; 94 1.2.4.2 rmind 95 1.2.4.2 rmind rv = acpi_wmi_event_register(parent, wmi_eeepc_notify_handler); 96 1.2.4.2 rmind 97 1.2.4.2 rmind if (ACPI_FAILURE(rv)) { 98 1.2.4.2 rmind aprint_error(": failed to install WMI notify handler\n"); 99 1.2.4.2 rmind return; 100 1.2.4.2 rmind } 101 1.2.4.2 rmind 102 1.2.4.2 rmind aprint_naive("\n"); 103 1.2.4.2 rmind aprint_normal(": Asus Eee PC WMI mappings\n"); 104 1.2.4.2 rmind 105 1.2.4.2 rmind sc->sc_smpsw[dc].smpsw_type = PSWITCH_TYPE_HOTKEY; 106 1.2.4.2 rmind sc->sc_smpsw[dc].smpsw_name = PSWITCH_HK_DISPLAY_CYCLE; 107 1.2.4.2 rmind 108 1.2.4.2 rmind if (sysmon_pswitch_register(&sc->sc_smpsw[dc]) == 0) 109 1.2.4.2 rmind sc->sc_smpsw_valid = true; 110 1.2.4.2 rmind 111 1.2.4.2 rmind (void)pmf_device_register(self, wmi_eeepc_suspend, wmi_eeepc_resume); 112 1.2.4.2 rmind } 113 1.2.4.2 rmind 114 1.2.4.2 rmind static int 115 1.2.4.2 rmind wmi_eeepc_detach(device_t self, int flags) 116 1.2.4.2 rmind { 117 1.2.4.2 rmind struct wmi_eeepc_softc *sc = device_private(self); 118 1.2.4.2 rmind device_t parent = sc->sc_parent; 119 1.2.4.2 rmind 120 1.2.4.2 rmind (void)pmf_device_deregister(self); 121 1.2.4.2 rmind (void)acpi_wmi_event_deregister(parent); 122 1.2.4.2 rmind 123 1.2.4.2 rmind return 0; 124 1.2.4.2 rmind } 125 1.2.4.2 rmind 126 1.2.4.2 rmind static bool 127 1.2.4.2 rmind wmi_eeepc_suspend(device_t self, const pmf_qual_t *qual) 128 1.2.4.2 rmind { 129 1.2.4.2 rmind struct wmi_eeepc_softc *sc = device_private(self); 130 1.2.4.2 rmind device_t parent = sc->sc_parent; 131 1.2.4.2 rmind 132 1.2.4.2 rmind (void)acpi_wmi_event_deregister(parent); 133 1.2.4.2 rmind 134 1.2.4.2 rmind return true; 135 1.2.4.2 rmind } 136 1.2.4.2 rmind 137 1.2.4.2 rmind static bool 138 1.2.4.2 rmind wmi_eeepc_resume(device_t self, const pmf_qual_t *qual) 139 1.2.4.2 rmind { 140 1.2.4.2 rmind struct wmi_eeepc_softc *sc = device_private(self); 141 1.2.4.2 rmind device_t parent = sc->sc_parent; 142 1.2.4.2 rmind 143 1.2.4.2 rmind (void)acpi_wmi_event_register(parent, wmi_eeepc_notify_handler); 144 1.2.4.2 rmind 145 1.2.4.2 rmind return true; 146 1.2.4.2 rmind } 147 1.2.4.2 rmind 148 1.2.4.2 rmind static void 149 1.2.4.2 rmind wmi_eeepc_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 150 1.2.4.2 rmind { 151 1.2.4.2 rmind static const int dc = WMI_EEEPC_PSW_DISPLAY_CYCLE; 152 1.2.4.2 rmind struct wmi_eeepc_softc *sc; 153 1.2.4.2 rmind device_t self = aux; 154 1.2.4.2 rmind ACPI_OBJECT *obj; 155 1.2.4.2 rmind ACPI_BUFFER buf; 156 1.2.4.2 rmind ACPI_STATUS rv; 157 1.2.4.2 rmind uint32_t val; 158 1.2.4.2 rmind 159 1.2.4.2 rmind buf.Pointer = NULL; 160 1.2.4.2 rmind 161 1.2.4.2 rmind sc = device_private(self); 162 1.2.4.2 rmind rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 163 1.2.4.2 rmind 164 1.2.4.2 rmind if (ACPI_FAILURE(rv)) 165 1.2.4.2 rmind goto out; 166 1.2.4.2 rmind 167 1.2.4.2 rmind obj = buf.Pointer; 168 1.2.4.2 rmind 169 1.2.4.2 rmind if (obj->Type != ACPI_TYPE_INTEGER) { 170 1.2.4.2 rmind rv = AE_TYPE; 171 1.2.4.2 rmind goto out; 172 1.2.4.2 rmind } 173 1.2.4.2 rmind 174 1.2.4.2 rmind if (obj->Integer.Value > UINT32_MAX) { 175 1.2.4.2 rmind rv = AE_LIMIT; 176 1.2.4.2 rmind goto out; 177 1.2.4.2 rmind } 178 1.2.4.2 rmind 179 1.2.4.2 rmind val = obj->Integer.Value; 180 1.2.4.2 rmind 181 1.2.4.2 rmind switch (val) { 182 1.2.4.2 rmind 183 1.2.4.2 rmind case WMI_EEEPC_HK_VOLUME_UP: 184 1.2.4.2 rmind pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 185 1.2.4.2 rmind break; 186 1.2.4.2 rmind 187 1.2.4.2 rmind case WMI_EEEPC_HK_VOLUME_DOWN: 188 1.2.4.2 rmind pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 189 1.2.4.2 rmind break; 190 1.2.4.2 rmind 191 1.2.4.2 rmind case WMI_EEEPC_HK_VOLUME_MUTE: 192 1.2.4.2 rmind pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 193 1.2.4.2 rmind break; 194 1.2.4.2 rmind 195 1.2.4.2 rmind case WMI_EEEPC_HK_DISPLAY_CYCLE: 196 1.2.4.2 rmind 197 1.2.4.2 rmind if (sc->sc_smpsw_valid != true) { 198 1.2.4.2 rmind rv = AE_ABORT_METHOD; 199 1.2.4.2 rmind break; 200 1.2.4.2 rmind } 201 1.2.4.2 rmind 202 1.2.4.2 rmind sysmon_pswitch_event(&sc->sc_smpsw[dc], PSWITCH_EVENT_PRESSED); 203 1.2.4.2 rmind break; 204 1.2.4.2 rmind 205 1.2.4.2 rmind case WMI_EEEPC_HK_DISPLAY_OFF: 206 1.2.4.2 rmind break; 207 1.2.4.2 rmind 208 1.2.4.2 rmind default: 209 1.2.4.2 rmind aprint_debug_dev(sc->sc_dev, 210 1.2.4.2 rmind "unknown key 0x%02X for event 0x%02X\n", val, evt); 211 1.2.4.2 rmind break; 212 1.2.4.2 rmind } 213 1.2.4.2 rmind 214 1.2.4.2 rmind out: 215 1.2.4.2 rmind if (buf.Pointer != NULL) 216 1.2.4.2 rmind ACPI_FREE(buf.Pointer); 217 1.2.4.2 rmind 218 1.2.4.2 rmind if (ACPI_FAILURE(rv)) 219 1.2.4.2 rmind aprint_error_dev(sc->sc_dev, "failed to get data for " 220 1.2.4.2 rmind "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 221 1.2.4.2 rmind } 222 1.2.4.2 rmind 223 1.2.4.2 rmind MODULE(MODULE_CLASS_DRIVER, wmieeepc, "acpiwmi"); 224 1.2.4.2 rmind 225 1.2.4.2 rmind #ifdef _MODULE 226 1.2.4.2 rmind #include "ioconf.c" 227 1.2.4.2 rmind #endif 228 1.2.4.2 rmind 229 1.2.4.2 rmind static int 230 1.2.4.2 rmind wmieeepc_modcmd(modcmd_t cmd, void *aux) 231 1.2.4.2 rmind { 232 1.2.4.2 rmind int rv = 0; 233 1.2.4.2 rmind 234 1.2.4.2 rmind switch (cmd) { 235 1.2.4.2 rmind 236 1.2.4.2 rmind case MODULE_CMD_INIT: 237 1.2.4.2 rmind 238 1.2.4.2 rmind #ifdef _MODULE 239 1.2.4.2 rmind rv = config_init_component(cfdriver_ioconf_wmieeepc, 240 1.2.4.2 rmind cfattach_ioconf_wmieeepc, cfdata_ioconf_wmieeepc); 241 1.2.4.2 rmind #endif 242 1.2.4.2 rmind break; 243 1.2.4.2 rmind 244 1.2.4.2 rmind case MODULE_CMD_FINI: 245 1.2.4.2 rmind 246 1.2.4.2 rmind #ifdef _MODULE 247 1.2.4.2 rmind rv = config_fini_component(cfdriver_ioconf_wmieeepc, 248 1.2.4.2 rmind cfattach_ioconf_wmieeepc, cfdata_ioconf_wmieeepc); 249 1.2.4.2 rmind #endif 250 1.2.4.2 rmind break; 251 1.2.4.2 rmind 252 1.2.4.2 rmind default: 253 1.2.4.2 rmind rv = ENOTTY; 254 1.2.4.2 rmind } 255 1.2.4.2 rmind 256 1.2.4.2 rmind return rv; 257 1.2.4.2 rmind } 258
Indexes created Fri Oct 17 03:10:13 GMT 2025