wmi_msi.c revision 1.3.2.2
1 1.3.2.2 uebayasi /* $NetBSD: wmi_msi.c,v 1.3.2.2 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) 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_msi.c,v 1.3.2.2 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 1.3.2.2 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 #define _COMPONENT ACPI_RESOURCE_COMPONENT 45 1.3.2.2 uebayasi ACPI_MODULE_NAME ("wmi_msi") 46 1.3.2.2 uebayasi 47 1.3.2.2 uebayasi #define WMI_MSI_HOTKEY_BRIGHTNESS_UP 0xD0 48 1.3.2.2 uebayasi #define WMI_MSI_HOTKEY_BRIGHTNESS_DOWN 0xD1 49 1.3.2.2 uebayasi #define WMI_MSI_HOTKEY_VOLUME_UP 0xD2 50 1.3.2.2 uebayasi #define WMI_MSI_HOTKEY_VOLUME_DOWN 0xD3 51 1.3.2.2 uebayasi /* WMI_MSI_HOTKEY_UNKNOWN 0xXXXX */ 52 1.3.2.2 uebayasi 53 1.3.2.2 uebayasi #define WMI_MSI_GUID_EVENT "B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2" 54 1.3.2.2 uebayasi 55 1.3.2.2 uebayasi struct wmi_msi_softc { 56 1.3.2.2 uebayasi device_t sc_dev; 57 1.3.2.2 uebayasi device_t sc_parent; 58 1.3.2.2 uebayasi }; 59 1.3.2.2 uebayasi 60 1.3.2.2 uebayasi static int wmi_msi_match(device_t, cfdata_t, void *); 61 1.3.2.2 uebayasi static void wmi_msi_attach(device_t, device_t, void *); 62 1.3.2.2 uebayasi static int wmi_msi_detach(device_t, int); 63 1.3.2.2 uebayasi static void wmi_msi_notify_handler(ACPI_HANDLE, uint32_t, void *); 64 1.3.2.2 uebayasi static bool wmi_msi_suspend(device_t, const pmf_qual_t *); 65 1.3.2.2 uebayasi static bool wmi_msi_resume(device_t, const pmf_qual_t *); 66 1.3.2.2 uebayasi 67 1.3.2.2 uebayasi CFATTACH_DECL_NEW(wmimsi, sizeof(struct wmi_msi_softc), 68 1.3.2.2 uebayasi wmi_msi_match, wmi_msi_attach, wmi_msi_detach, NULL); 69 1.3.2.2 uebayasi 70 1.3.2.2 uebayasi static int 71 1.3.2.2 uebayasi wmi_msi_match(device_t parent, cfdata_t match, void *aux) 72 1.3.2.2 uebayasi { 73 1.3.2.2 uebayasi return acpi_wmi_guid_match(parent, WMI_MSI_GUID_EVENT); 74 1.3.2.2 uebayasi } 75 1.3.2.2 uebayasi 76 1.3.2.2 uebayasi static void 77 1.3.2.2 uebayasi wmi_msi_attach(device_t parent, device_t self, void *aux) 78 1.3.2.2 uebayasi { 79 1.3.2.2 uebayasi struct wmi_msi_softc *sc = device_private(self); 80 1.3.2.2 uebayasi ACPI_STATUS rv; 81 1.3.2.2 uebayasi 82 1.3.2.2 uebayasi sc->sc_dev = self; 83 1.3.2.2 uebayasi sc->sc_parent = parent; 84 1.3.2.2 uebayasi 85 1.3.2.2 uebayasi rv = acpi_wmi_event_register(parent, wmi_msi_notify_handler); 86 1.3.2.2 uebayasi 87 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) { 88 1.3.2.2 uebayasi aprint_error(": failed to install WMI notify handler\n"); 89 1.3.2.2 uebayasi return; 90 1.3.2.2 uebayasi } 91 1.3.2.2 uebayasi 92 1.3.2.2 uebayasi aprint_naive("\n"); 93 1.3.2.2 uebayasi aprint_normal(": MSI WMI mappings\n"); 94 1.3.2.2 uebayasi 95 1.3.2.2 uebayasi (void)pmf_device_register(self, wmi_msi_suspend, wmi_msi_resume); 96 1.3.2.2 uebayasi } 97 1.3.2.2 uebayasi 98 1.3.2.2 uebayasi static int 99 1.3.2.2 uebayasi wmi_msi_detach(device_t self, int flags) 100 1.3.2.2 uebayasi { 101 1.3.2.2 uebayasi struct wmi_msi_softc *sc = device_private(self); 102 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 103 1.3.2.2 uebayasi 104 1.3.2.2 uebayasi (void)pmf_device_deregister(self); 105 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 106 1.3.2.2 uebayasi 107 1.3.2.2 uebayasi return 0; 108 1.3.2.2 uebayasi } 109 1.3.2.2 uebayasi 110 1.3.2.2 uebayasi static bool 111 1.3.2.2 uebayasi wmi_msi_suspend(device_t self, const pmf_qual_t *qual) 112 1.3.2.2 uebayasi { 113 1.3.2.2 uebayasi struct wmi_msi_softc *sc = device_private(self); 114 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 115 1.3.2.2 uebayasi 116 1.3.2.2 uebayasi (void)acpi_wmi_event_deregister(parent); 117 1.3.2.2 uebayasi 118 1.3.2.2 uebayasi return true; 119 1.3.2.2 uebayasi } 120 1.3.2.2 uebayasi 121 1.3.2.2 uebayasi static bool 122 1.3.2.2 uebayasi wmi_msi_resume(device_t self, const pmf_qual_t *qual) 123 1.3.2.2 uebayasi { 124 1.3.2.2 uebayasi struct wmi_msi_softc *sc = device_private(self); 125 1.3.2.2 uebayasi device_t parent = sc->sc_parent; 126 1.3.2.2 uebayasi 127 1.3.2.2 uebayasi (void)acpi_wmi_event_register(parent, wmi_msi_notify_handler); 128 1.3.2.2 uebayasi 129 1.3.2.2 uebayasi return true; 130 1.3.2.2 uebayasi } 131 1.3.2.2 uebayasi 132 1.3.2.2 uebayasi static void 133 1.3.2.2 uebayasi wmi_msi_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 134 1.3.2.2 uebayasi { 135 1.3.2.2 uebayasi struct wmi_msi_softc *sc; 136 1.3.2.2 uebayasi device_t self = aux; 137 1.3.2.2 uebayasi ACPI_OBJECT *obj; 138 1.3.2.2 uebayasi ACPI_BUFFER buf; 139 1.3.2.2 uebayasi ACPI_STATUS rv; 140 1.3.2.2 uebayasi uint32_t val; 141 1.3.2.2 uebayasi 142 1.3.2.2 uebayasi buf.Pointer = NULL; 143 1.3.2.2 uebayasi 144 1.3.2.2 uebayasi sc = device_private(self); 145 1.3.2.2 uebayasi rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 146 1.3.2.2 uebayasi 147 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 148 1.3.2.2 uebayasi goto out; 149 1.3.2.2 uebayasi 150 1.3.2.2 uebayasi obj = buf.Pointer; 151 1.3.2.2 uebayasi 152 1.3.2.2 uebayasi if (obj->Type != ACPI_TYPE_INTEGER) { 153 1.3.2.2 uebayasi rv = AE_TYPE; 154 1.3.2.2 uebayasi goto out; 155 1.3.2.2 uebayasi } 156 1.3.2.2 uebayasi 157 1.3.2.2 uebayasi if (obj->Integer.Value > UINT32_MAX) { 158 1.3.2.2 uebayasi rv = AE_AML_NUMERIC_OVERFLOW; 159 1.3.2.2 uebayasi goto out; 160 1.3.2.2 uebayasi } 161 1.3.2.2 uebayasi 162 1.3.2.2 uebayasi val = obj->Integer.Value; 163 1.3.2.2 uebayasi 164 1.3.2.2 uebayasi switch (val) { 165 1.3.2.2 uebayasi 166 1.3.2.2 uebayasi case WMI_MSI_HOTKEY_BRIGHTNESS_DOWN: 167 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 168 1.3.2.2 uebayasi break; 169 1.3.2.2 uebayasi 170 1.3.2.2 uebayasi case WMI_MSI_HOTKEY_BRIGHTNESS_UP: 171 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 172 1.3.2.2 uebayasi break; 173 1.3.2.2 uebayasi 174 1.3.2.2 uebayasi case WMI_MSI_HOTKEY_VOLUME_DOWN: 175 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 176 1.3.2.2 uebayasi break; 177 1.3.2.2 uebayasi 178 1.3.2.2 uebayasi case WMI_MSI_HOTKEY_VOLUME_UP: 179 1.3.2.2 uebayasi pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 180 1.3.2.2 uebayasi break; 181 1.3.2.2 uebayasi 182 1.3.2.2 uebayasi default: 183 1.3.2.2 uebayasi aprint_normal_dev(sc->sc_dev, 184 1.3.2.2 uebayasi "unknown key 0x%02X for event 0x%02X\n", val, evt); 185 1.3.2.2 uebayasi break; 186 1.3.2.2 uebayasi } 187 1.3.2.2 uebayasi 188 1.3.2.2 uebayasi out: 189 1.3.2.2 uebayasi if (buf.Pointer != NULL) 190 1.3.2.2 uebayasi ACPI_FREE(buf.Pointer); 191 1.3.2.2 uebayasi 192 1.3.2.2 uebayasi if (ACPI_FAILURE(rv)) 193 1.3.2.2 uebayasi aprint_error_dev(sc->sc_dev, "failed to get data for " 194 1.3.2.2 uebayasi "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 195 1.3.2.2 uebayasi } 196 1.3.2.2 uebayasi 197 1.3.2.2 uebayasi #ifdef _MODULE 198 1.3.2.2 uebayasi 199 1.3.2.2 uebayasi MODULE(MODULE_CLASS_DRIVER, wmimsi, NULL); 200 1.3.2.2 uebayasi CFDRIVER_DECL(wmimsi, DV_DULL, NULL); 201 1.3.2.2 uebayasi 202 1.3.2.2 uebayasi static int wmimsiloc[] = { -1 }; 203 1.3.2.2 uebayasi extern struct cfattach wmimsi_ca; 204 1.3.2.2 uebayasi 205 1.3.2.2 uebayasi static struct cfparent wmiparent = { 206 1.3.2.2 uebayasi "acpiwmibus", NULL, DVUNIT_ANY 207 1.3.2.2 uebayasi }; 208 1.3.2.2 uebayasi 209 1.3.2.2 uebayasi static struct cfdata wmimsi_cfdata[] = { 210 1.3.2.2 uebayasi { 211 1.3.2.2 uebayasi .cf_name = "wmimsi", 212 1.3.2.2 uebayasi .cf_atname = "wmimsi", 213 1.3.2.2 uebayasi .cf_unit = 0, 214 1.3.2.2 uebayasi .cf_fstate = FSTATE_STAR, 215 1.3.2.2 uebayasi .cf_loc = wmimsiloc, 216 1.3.2.2 uebayasi .cf_flags = 0, 217 1.3.2.2 uebayasi .cf_pspec = &wmiparent, 218 1.3.2.2 uebayasi }, 219 1.3.2.2 uebayasi 220 1.3.2.2 uebayasi { NULL, NULL, 0, 0, NULL, 0, NULL } 221 1.3.2.2 uebayasi }; 222 1.3.2.2 uebayasi 223 1.3.2.2 uebayasi static int 224 1.3.2.2 uebayasi wmimsi_modcmd(modcmd_t cmd, void *opaque) 225 1.3.2.2 uebayasi { 226 1.3.2.2 uebayasi int err; 227 1.3.2.2 uebayasi 228 1.3.2.2 uebayasi switch (cmd) { 229 1.3.2.2 uebayasi 230 1.3.2.2 uebayasi case MODULE_CMD_INIT: 231 1.3.2.2 uebayasi 232 1.3.2.2 uebayasi err = config_cfdriver_attach(&wmimsi_cd); 233 1.3.2.2 uebayasi 234 1.3.2.2 uebayasi if (err != 0) 235 1.3.2.2 uebayasi return err; 236 1.3.2.2 uebayasi 237 1.3.2.2 uebayasi err = config_cfattach_attach("wmimsi", &wmimsi_ca); 238 1.3.2.2 uebayasi 239 1.3.2.2 uebayasi if (err != 0) { 240 1.3.2.2 uebayasi config_cfdriver_detach(&wmimsi_cd); 241 1.3.2.2 uebayasi return err; 242 1.3.2.2 uebayasi } 243 1.3.2.2 uebayasi 244 1.3.2.2 uebayasi err = config_cfdata_attach(wmimsi_cfdata, 1); 245 1.3.2.2 uebayasi 246 1.3.2.2 uebayasi if (err != 0) { 247 1.3.2.2 uebayasi config_cfattach_detach("wmimsi", &wmimsi_ca); 248 1.3.2.2 uebayasi config_cfdriver_detach(&wmimsi_cd); 249 1.3.2.2 uebayasi return err; 250 1.3.2.2 uebayasi } 251 1.3.2.2 uebayasi 252 1.3.2.2 uebayasi return 0; 253 1.3.2.2 uebayasi 254 1.3.2.2 uebayasi case MODULE_CMD_FINI: 255 1.3.2.2 uebayasi 256 1.3.2.2 uebayasi err = config_cfdata_detach(wmimsi_cfdata); 257 1.3.2.2 uebayasi 258 1.3.2.2 uebayasi if (err != 0) 259 1.3.2.2 uebayasi return err; 260 1.3.2.2 uebayasi 261 1.3.2.2 uebayasi config_cfattach_detach("wmimsi", &wmimsi_ca); 262 1.3.2.2 uebayasi config_cfdriver_detach(&wmimsi_cd); 263 1.3.2.2 uebayasi 264 1.3.2.2 uebayasi return 0; 265 1.3.2.2 uebayasi 266 1.3.2.2 uebayasi default: 267 1.3.2.2 uebayasi return ENOTTY; 268 1.3.2.2 uebayasi } 269 1.3.2.2 uebayasi } 270 1.3.2.2 uebayasi 271 1.3.2.2 uebayasi #endif /* _MODULE */ 272
Indexes created Mon Sep 29 03:10:08 GMT 2025