wmi_dell.c revision 1.3.2.4
1 1.3.2.4 uebayasi /* $NetBSD: wmi_dell.c,v 1.3.2.4 2010/11/06 08:08:28 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 1.3.2.4 uebayasi __KERNEL_RCSID(0, "$NetBSD: wmi_dell.c,v 1.3.2.4 2010/11/06 08:08:28 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 1.3.2.4 uebayasi #include <sys/module.h> 39 1.3.2.2 uebayasi 40 1.3.2.2 uebayasi #include <dev/acpi/acpireg.h> 41 1.3.2.2 uebayasi #include <dev/acpi/acpivar.h> 42 1.3.2.2 uebayasi #include <dev/acpi/wmi/wmi_acpivar.h> 43 1.3.2.2 uebayasi 44 1.3.2.2 uebayasi #include <dev/sysmon/sysmonvar.h> 45 1.3.2.2 uebayasi 46 1.3.2.2 uebayasi #define _COMPONENT ACPI_RESOURCE_COMPONENT 47 1.3.2.2 uebayasi ACPI_MODULE_NAME ("wmi_dell") 48 1.3.2.2 uebayasi 49 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_BRIGHTNESS_DOWN 0xE005 50 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_BRIGHTNESS_UP 0xE006 51 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_DISPLAY_CYCLE 0xE00B 52 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_MUTE 0xE020 53 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_DOWN 0xE02E 54 1.3.2.2 uebayasi #define WMI_DELL_HOTKEY_VOLUME_UP 0xE030 55 1.3.2.2 uebayasi /* WMI_DELL_HOTKEY_UNKNOWN 0xXXXX */ 56 1.3.2.2 uebayasi 57 1.3.2.2 uebayasi #define WMI_DELL_PSW_DISPLAY_CYCLE 0 58 1.3.2.2 uebayasi #define WMI_DELL_PSW_COUNT 1 59 1.3.2.2 uebayasi 60 1.3.2.2 uebayasi #define WMI_DELL_GUID_EVENT "9DBB5994-A997-11DA-B012-B622A1EF5492" 61 1.3.2.2 uebayasi 62 1.3.2.2 uebayasi struct wmi_dell_softc { 63 1.3.2.2 uebayasi device_t sc_dev; 64 1.3.2.2 uebayasi device_t sc_parent; 65 1.3.2.2 uebayasi struct sysmon_pswitch sc_smpsw[WMI_DELL_PSW_COUNT]; 66 1.3.2.2 uebayasi bool sc_smpsw_valid; 67 1.3.2.2 uebayasi }; 68 1.3.2.2 uebayasi 69 1.3.2.2 uebayasi static int wmi_dell_match(device_t, cfdata_t, void *); 70 1.3.2.2 uebayasi static void wmi_dell_attach(device_t, device_t, void *); 71 1.3.2.2 uebayasi static int wmi_dell_detach(device_t, int); 72 1.3.2.2 uebayasi static void wmi_dell_notify_handler(ACPI_HANDLE, uint32_t, void *); 73 1.3.2.2 uebayasi static bool wmi_dell_suspend(device_t, const pmf_qual_t *); 74 1.3.2.2 uebayasi static bool wmi_dell_resume(device_t, const pmf_qual_t *); 75 1.3.2.2 uebayasi 76 1.3.2.2 uebayasi CFATTACH_DECL_NEW(wmidell, sizeof(struct wmi_dell_softc), 77 1.3.2.2 uebayasi wmi_dell_match, wmi_dell_attach, wmi_dell_detach, NULL); 78 1.3.2.2 uebayasi 79 1.3.2.2 uebayasi static int 80 1.3.2.2 uebayasi wmi_dell_match(device_t parent, cfdata_t match, void *aux) 81 1.3.2.2 uebayasi { 82 1.3.2.2 uebayasi return acpi_wmi_guid_match(parent, WMI_DELL_GUID_EVENT); 83 1.3.2.2 uebayasi } 84 1.3.2.2 uebayasi 85 1.3.2.2 uebayasi static void 86 1.3.2.2 uebayasi wmi_dell_attach(device_t parent, device_t self, void *aux) 87 1.3.2.2 uebayasi { 88 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 89 1.3.2.2 uebayasi ACPI_STATUS rv; 90 1.3.2.2 uebayasi int e; 91 1.3.2.2 uebayasi 92 1.3.2.2 uebayasi sc->sc_dev = self; 93 1.3.2.2 uebayasi sc->sc_parent = parent; 94 1.3.2.2 uebayasi sc->sc_smpsw_valid = true; 95 1.3.2.2 uebayasi 96 1.3.2.2 uebayasi rv = acpi_wmi_event_register(parent, wmi_dell_notify_handler); 97 1.3.2.2 uebayasi 98 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) { 99 1.3.2.2 uebayasi aprint_error(": failed to install WMI notify handler\n"); 100 1.3.2.2 uebayasi return; 101 1.3.2.2 uebayasi } 102 1.3.2.2 uebayasi 103 1.3.2.2 uebayasi aprint_naive("\n"); 104 1.3.2.2 uebayasi aprint_normal(": Dell WMI mappings\n"); 105 1.3.2.2 uebayasi 106 1.3.2.2 uebayasi sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_name = 107 1.3.2.2 uebayasi PSWITCH_HK_DISPLAY_CYCLE; 108 1.3.2.2 uebayasi 109 1.3.2.2 uebayasi sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE].smpsw_type = 110 1.3.2.2 uebayasi PSWITCH_TYPE_HOTKEY; 111 1.3.2.2 uebayasi 112 1.3.2.2 uebayasi e = sysmon_pswitch_register(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE]); 113 1.3.2.2 uebayasi 114 1.3.2.2 uebayasi if (e != 0) 115 1.3.2.2 uebayasi sc->sc_smpsw_valid = false; 116 1.3.2.2 uebayasi 117 1.3.2.2 uebayasi (void)pmf_device_register(self, wmi_dell_suspend, wmi_dell_resume); 118 1.3.2.2 uebayasi } 119 1.3.2.2 uebayasi 120 1.3.2.2 uebayasi static int 121 1.3.2.2 uebayasi wmi_dell_detach(device_t self, int flags) 122 1.3.2.2 uebayasi { 123 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 124 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 125 1.3.2.4 uebayasi size_t i; 126 1.3.2.2 uebayasi 127 1.3.2.2 uebayasi (void)pmf_device_deregister(self); 128 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 129 1.3.2.2 uebayasi 130 1.3.2.2 uebayasi if (sc->sc_smpsw_valid != true) 131 1.3.2.2 uebayasi return 0; 132 1.3.2.2 uebayasi 133 1.3.2.2 uebayasi for (i = 0; i < __arraycount(sc->sc_smpsw); i++) 134 1.3.2.2 uebayasi sysmon_pswitch_unregister(&sc->sc_smpsw[i]); 135 1.3.2.2 uebayasi 136 1.3.2.2 uebayasi return 0; 137 1.3.2.2 uebayasi } 138 1.3.2.2 uebayasi 139 1.3.2.2 uebayasi static bool 140 1.3.2.2 uebayasi wmi_dell_suspend(device_t self, const pmf_qual_t *qual) 141 1.3.2.2 uebayasi { 142 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 143 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 144 1.3.2.2 uebayasi 145 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 146 1.3.2.2 uebayasi 147 1.3.2.2 uebayasi return true; 148 1.3.2.2 uebayasi } 149 1.3.2.2 uebayasi 150 1.3.2.2 uebayasi static bool 151 1.3.2.2 uebayasi wmi_dell_resume(device_t self, const pmf_qual_t *qual) 152 1.3.2.2 uebayasi { 153 1.3.2.2 uebayasi struct wmi_dell_softc *sc = device_private(self); 154 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 155 1.3.2.2 uebayasi 156 1.3.2.2 uebayasi (void)acpi_wmi_event_register(parent, wmi_dell_notify_handler); 157 1.3.2.2 uebayasi 158 1.3.2.2 uebayasi return true; 159 1.3.2.2 uebayasi } 160 1.3.2.2 uebayasi 161 1.3.2.2 uebayasi static void 162 1.3.2.2 uebayasi wmi_dell_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 163 1.3.2.2 uebayasi { 164 1.3.2.2 uebayasi struct wmi_dell_softc *sc; 165 1.3.2.2 uebayasi device_t self = aux; 166 1.3.2.2 uebayasi ACPI_OBJECT *obj; 167 1.3.2.2 uebayasi ACPI_BUFFER buf; 168 1.3.2.2 uebayasi ACPI_STATUS rv; 169 1.3.2.2 uebayasi uint32_t val; 170 1.3.2.2 uebayasi 171 1.3.2.3 uebayasi buf.Pointer = NULL; 172 1.3.2.3 uebayasi 173 1.3.2.2 uebayasi sc = device_private(self); 174 1.3.2.2 uebayasi rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 175 1.3.2.2 uebayasi 176 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 177 1.3.2.2 uebayasi goto out; 178 1.3.2.2 uebayasi 179 1.3.2.2 uebayasi obj = buf.Pointer; 180 1.3.2.2 uebayasi 181 1.3.2.2 uebayasi if (obj->Type != ACPI_TYPE_BUFFER) { 182 1.3.2.2 uebayasi rv = AE_TYPE; 183 1.3.2.2 uebayasi goto out; 184 1.3.2.2 uebayasi } 185 1.3.2.2 uebayasi 186 1.3.2.2 uebayasi val = obj->Buffer.Pointer[1] & 0xFFFF; 187 1.3.2.2 uebayasi 188 1.3.2.2 uebayasi switch (val) { 189 1.3.2.2 uebayasi 190 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_BRIGHTNESS_DOWN: 191 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 192 1.3.2.2 uebayasi break; 193 1.3.2.2 uebayasi 194 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_BRIGHTNESS_UP: 195 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 196 1.3.2.2 uebayasi break; 197 1.3.2.2 uebayasi 198 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_DISPLAY_CYCLE: 199 1.3.2.2 uebayasi 200 1.3.2.2 uebayasi if (sc->sc_smpsw_valid != true) { 201 1.3.2.2 uebayasi rv = AE_ABORT_METHOD; 202 1.3.2.2 uebayasi break; 203 1.3.2.2 uebayasi } 204 1.3.2.2 uebayasi 205 1.3.2.2 uebayasi sysmon_pswitch_event(&sc->sc_smpsw[WMI_DELL_PSW_DISPLAY_CYCLE], 206 1.3.2.2 uebayasi PSWITCH_EVENT_PRESSED); 207 1.3.2.2 uebayasi break; 208 1.3.2.2 uebayasi 209 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_MUTE: 210 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 211 1.3.2.2 uebayasi break; 212 1.3.2.2 uebayasi 213 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_DOWN: 214 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 215 1.3.2.2 uebayasi break; 216 1.3.2.2 uebayasi 217 1.3.2.2 uebayasi case WMI_DELL_HOTKEY_VOLUME_UP: 218 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 219 1.3.2.2 uebayasi break; 220 1.3.2.2 uebayasi 221 1.3.2.2 uebayasi default: 222 1.3.2.2 uebayasi aprint_debug_dev(sc->sc_dev, 223 1.3.2.2 uebayasi "unknown key 0x%02X for event 0x%02X\n", val, evt); 224 1.3.2.2 uebayasi break; 225 1.3.2.2 uebayasi } 226 1.3.2.2 uebayasi 227 1.3.2.2 uebayasi out: 228 1.3.2.2 uebayasi if (buf.Pointer != NULL) 229 1.3.2.2 uebayasi ACPI_FREE(buf.Pointer); 230 1.3.2.2 uebayasi 231 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 232 1.3.2.2 uebayasi aprint_error_dev(sc->sc_dev, "failed to get data for " 233 1.3.2.2 uebayasi "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 234 1.3.2.2 uebayasi } 235 1.3.2.4 uebayasi 236 1.3.2.4 uebayasi #ifdef _MODULE 237 1.3.2.4 uebayasi 238 1.3.2.4 uebayasi MODULE(MODULE_CLASS_DRIVER, wmidell, NULL); 239 1.3.2.4 uebayasi CFDRIVER_DECL(wmidell, DV_DULL, NULL); 240 1.3.2.4 uebayasi 241 1.3.2.4 uebayasi static int wmidellloc[] = { -1 }; 242 1.3.2.4 uebayasi extern struct cfattach wmidell_ca; 243 1.3.2.4 uebayasi 244 1.3.2.4 uebayasi static struct cfparent wmiparent = { 245 1.3.2.4 uebayasi "acpiwmibus", NULL, DVUNIT_ANY 246 1.3.2.4 uebayasi }; 247 1.3.2.4 uebayasi 248 1.3.2.4 uebayasi static struct cfdata wmidell_cfdata[] = { 249 1.3.2.4 uebayasi { 250 1.3.2.4 uebayasi .cf_name = "wmidell", 251 1.3.2.4 uebayasi .cf_atname = "wmidell", 252 1.3.2.4 uebayasi .cf_unit = 0, 253 1.3.2.4 uebayasi .cf_fstate = FSTATE_STAR, 254 1.3.2.4 uebayasi .cf_loc = wmidellloc, 255 1.3.2.4 uebayasi .cf_flags = 0, 256 1.3.2.4 uebayasi .cf_pspec = &wmiparent, 257 1.3.2.4 uebayasi }, 258 1.3.2.4 uebayasi 259 1.3.2.4 uebayasi { NULL, NULL, 0, 0, NULL, 0, NULL } 260 1.3.2.4 uebayasi }; 261 1.3.2.4 uebayasi 262 1.3.2.4 uebayasi static int 263 1.3.2.4 uebayasi wmidell_modcmd(modcmd_t cmd, void *opaque) 264 1.3.2.4 uebayasi { 265 1.3.2.4 uebayasi int err; 266 1.3.2.4 uebayasi 267 1.3.2.4 uebayasi switch (cmd) { 268 1.3.2.4 uebayasi 269 1.3.2.4 uebayasi case MODULE_CMD_INIT: 270 1.3.2.4 uebayasi 271 1.3.2.4 uebayasi err = config_cfdriver_attach(&wmidell_cd); 272 1.3.2.4 uebayasi 273 1.3.2.4 uebayasi if (err != 0) 274 1.3.2.4 uebayasi return err; 275 1.3.2.4 uebayasi 276 1.3.2.4 uebayasi err = config_cfattach_attach("wmidell", &wmidell_ca); 277 1.3.2.4 uebayasi 278 1.3.2.4 uebayasi if (err != 0) { 279 1.3.2.4 uebayasi config_cfdriver_detach(&wmidell_cd); 280 1.3.2.4 uebayasi return err; 281 1.3.2.4 uebayasi } 282 1.3.2.4 uebayasi 283 1.3.2.4 uebayasi err = config_cfdata_attach(wmidell_cfdata, 1); 284 1.3.2.4 uebayasi 285 1.3.2.4 uebayasi if (err != 0) { 286 1.3.2.4 uebayasi config_cfattach_detach("wmidell", &wmidell_ca); 287 1.3.2.4 uebayasi config_cfdriver_detach(&wmidell_cd); 288 1.3.2.4 uebayasi return err; 289 1.3.2.4 uebayasi } 290 1.3.2.4 uebayasi 291 1.3.2.4 uebayasi return 0; 292 1.3.2.4 uebayasi 293 1.3.2.4 uebayasi case MODULE_CMD_FINI: 294 1.3.2.4 uebayasi 295 1.3.2.4 uebayasi err = config_cfdata_detach(wmidell_cfdata); 296 1.3.2.4 uebayasi 297 1.3.2.4 uebayasi if (err != 0) 298 1.3.2.4 uebayasi return err; 299 1.3.2.4 uebayasi 300 1.3.2.4 uebayasi config_cfattach_detach("wmidell", &wmidell_ca); 301 1.3.2.4 uebayasi config_cfdriver_detach(&wmidell_cd); 302 1.3.2.4 uebayasi 303 1.3.2.4 uebayasi return 0; 304 1.3.2.4 uebayasi 305 1.3.2.4 uebayasi default: 306 1.3.2.4 uebayasi return ENOTTY; 307 1.3.2.4 uebayasi } 308 1.3.2.4 uebayasi } 309 1.3.2.4 uebayasi 310 1.3.2.4 uebayasi #endif /* _MODULE */ 311
Indexes created Wed Oct 01 19:09:53 GMT 2025