wmi_msi.c revision 1.5.2.2
1 1.5.2.2 rmind /* $NetBSD: wmi_msi.c,v 1.5.2.2 2011/03/05 20:53:05 rmind Exp $ */ 2 1.5.2.2 rmind 3 1.5.2.2 rmind /*- 4 1.5.2.2 rmind * Copyright (c) 2010 The NetBSD Foundation, Inc. 5 1.5.2.2 rmind * All rights reserved. 6 1.5.2.2 rmind * 7 1.5.2.2 rmind * This code is derived from software contributed to The NetBSD Foundation 8 1.5.2.2 rmind * by Jukka Ruohonen. 9 1.5.2.2 rmind * 10 1.5.2.2 rmind * Redistribution and use in source and binary forms, with or without 11 1.5.2.2 rmind * modification, are permitted provided that the following conditions 12 1.5.2.2 rmind * are met: 13 1.5.2.2 rmind * 14 1.5.2.2 rmind * 1. Redistributions of source code must retain the above copyright 15 1.5.2.2 rmind * notice, this list of conditions and the following disclaimer. 16 1.5.2.2 rmind * 2. Redistributions in binary form must reproduce the above copyright 17 1.5.2.2 rmind * notice, this list of conditions and the following disclaimer in the 18 1.5.2.2 rmind * documentation and/or other materials provided with the distribution. 19 1.5.2.2 rmind * 20 1.5.2.2 rmind * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 1.5.2.2 rmind * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 1.5.2.2 rmind * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 1.5.2.2 rmind * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 1.5.2.2 rmind * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 1.5.2.2 rmind * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 1.5.2.2 rmind * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 1.5.2.2 rmind * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 1.5.2.2 rmind * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 1.5.2.2 rmind * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 1.5.2.2 rmind * SUCH DAMAGE. 31 1.5.2.2 rmind */ 32 1.5.2.2 rmind 33 1.5.2.2 rmind #include <sys/cdefs.h> 34 1.5.2.2 rmind __KERNEL_RCSID(0, "$NetBSD: wmi_msi.c,v 1.5.2.2 2011/03/05 20:53:05 rmind Exp $"); 35 1.5.2.2 rmind 36 1.5.2.2 rmind #include <sys/param.h> 37 1.5.2.2 rmind #include <sys/device.h> 38 1.5.2.2 rmind #include <sys/module.h> 39 1.5.2.2 rmind 40 1.5.2.2 rmind #include <dev/acpi/acpireg.h> 41 1.5.2.2 rmind #include <dev/acpi/acpivar.h> 42 1.5.2.2 rmind #include <dev/acpi/wmi/wmi_acpivar.h> 43 1.5.2.2 rmind 44 1.5.2.2 rmind #define _COMPONENT ACPI_RESOURCE_COMPONENT 45 1.5.2.2 rmind ACPI_MODULE_NAME ("wmi_msi") 46 1.5.2.2 rmind 47 1.5.2.2 rmind #define WMI_MSI_HOTKEY_BRIGHTNESS_UP 0xD0 48 1.5.2.2 rmind #define WMI_MSI_HOTKEY_BRIGHTNESS_DOWN 0xD1 49 1.5.2.2 rmind #define WMI_MSI_HOTKEY_VOLUME_UP 0xD2 50 1.5.2.2 rmind #define WMI_MSI_HOTKEY_VOLUME_DOWN 0xD3 51 1.5.2.2 rmind /* WMI_MSI_HOTKEY_UNKNOWN 0xXXXX */ 52 1.5.2.2 rmind 53 1.5.2.2 rmind #define WMI_MSI_GUID_EVENT "B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2" 54 1.5.2.2 rmind 55 1.5.2.2 rmind struct wmi_msi_softc { 56 1.5.2.2 rmind device_t sc_dev; 57 1.5.2.2 rmind device_t sc_parent; 58 1.5.2.2 rmind }; 59 1.5.2.2 rmind 60 1.5.2.2 rmind static int wmi_msi_match(device_t, cfdata_t, void *); 61 1.5.2.2 rmind static void wmi_msi_attach(device_t, device_t, void *); 62 1.5.2.2 rmind static int wmi_msi_detach(device_t, int); 63 1.5.2.2 rmind static void wmi_msi_notify_handler(ACPI_HANDLE, uint32_t, void *); 64 1.5.2.2 rmind static bool wmi_msi_suspend(device_t, const pmf_qual_t *); 65 1.5.2.2 rmind static bool wmi_msi_resume(device_t, const pmf_qual_t *); 66 1.5.2.2 rmind 67 1.5.2.2 rmind CFATTACH_DECL_NEW(wmimsi, sizeof(struct wmi_msi_softc), 68 1.5.2.2 rmind wmi_msi_match, wmi_msi_attach, wmi_msi_detach, NULL); 69 1.5.2.2 rmind 70 1.5.2.2 rmind static int 71 1.5.2.2 rmind wmi_msi_match(device_t parent, cfdata_t match, void *aux) 72 1.5.2.2 rmind { 73 1.5.2.2 rmind return acpi_wmi_guid_match(parent, WMI_MSI_GUID_EVENT); 74 1.5.2.2 rmind } 75 1.5.2.2 rmind 76 1.5.2.2 rmind static void 77 1.5.2.2 rmind wmi_msi_attach(device_t parent, device_t self, void *aux) 78 1.5.2.2 rmind { 79 1.5.2.2 rmind struct wmi_msi_softc *sc = device_private(self); 80 1.5.2.2 rmind ACPI_STATUS rv; 81 1.5.2.2 rmind 82 1.5.2.2 rmind sc->sc_dev = self; 83 1.5.2.2 rmind sc->sc_parent = parent; 84 1.5.2.2 rmind 85 1.5.2.2 rmind rv = acpi_wmi_event_register(parent, wmi_msi_notify_handler); 86 1.5.2.2 rmind 87 1.5.2.2 rmind if (ACPI_FAILURE(rv)) { 88 1.5.2.2 rmind aprint_error(": failed to install WMI notify handler\n"); 89 1.5.2.2 rmind return; 90 1.5.2.2 rmind } 91 1.5.2.2 rmind 92 1.5.2.2 rmind aprint_naive("\n"); 93 1.5.2.2 rmind aprint_normal(": MSI WMI mappings\n"); 94 1.5.2.2 rmind 95 1.5.2.2 rmind (void)pmf_device_register(self, wmi_msi_suspend, wmi_msi_resume); 96 1.5.2.2 rmind } 97 1.5.2.2 rmind 98 1.5.2.2 rmind static int 99 1.5.2.2 rmind wmi_msi_detach(device_t self, int flags) 100 1.5.2.2 rmind { 101 1.5.2.2 rmind struct wmi_msi_softc *sc = device_private(self); 102 1.5.2.2 rmind device_t parent = sc->sc_parent; 103 1.5.2.2 rmind 104 1.5.2.2 rmind (void)pmf_device_deregister(self); 105 1.5.2.2 rmind (void)acpi_wmi_event_deregister(parent); 106 1.5.2.2 rmind 107 1.5.2.2 rmind return 0; 108 1.5.2.2 rmind } 109 1.5.2.2 rmind 110 1.5.2.2 rmind static bool 111 1.5.2.2 rmind wmi_msi_suspend(device_t self, const pmf_qual_t *qual) 112 1.5.2.2 rmind { 113 1.5.2.2 rmind struct wmi_msi_softc *sc = device_private(self); 114 1.5.2.2 rmind device_t parent = sc->sc_parent; 115 1.5.2.2 rmind 116 1.5.2.2 rmind (void)acpi_wmi_event_deregister(parent); 117 1.5.2.2 rmind 118 1.5.2.2 rmind return true; 119 1.5.2.2 rmind } 120 1.5.2.2 rmind 121 1.5.2.2 rmind static bool 122 1.5.2.2 rmind wmi_msi_resume(device_t self, const pmf_qual_t *qual) 123 1.5.2.2 rmind { 124 1.5.2.2 rmind struct wmi_msi_softc *sc = device_private(self); 125 1.5.2.2 rmind device_t parent = sc->sc_parent; 126 1.5.2.2 rmind 127 1.5.2.2 rmind (void)acpi_wmi_event_register(parent, wmi_msi_notify_handler); 128 1.5.2.2 rmind 129 1.5.2.2 rmind return true; 130 1.5.2.2 rmind } 131 1.5.2.2 rmind 132 1.5.2.2 rmind static void 133 1.5.2.2 rmind wmi_msi_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) 134 1.5.2.2 rmind { 135 1.5.2.2 rmind struct wmi_msi_softc *sc; 136 1.5.2.2 rmind device_t self = aux; 137 1.5.2.2 rmind ACPI_OBJECT *obj; 138 1.5.2.2 rmind ACPI_BUFFER buf; 139 1.5.2.2 rmind ACPI_STATUS rv; 140 1.5.2.2 rmind uint32_t val; 141 1.5.2.2 rmind 142 1.5.2.2 rmind buf.Pointer = NULL; 143 1.5.2.2 rmind 144 1.5.2.2 rmind sc = device_private(self); 145 1.5.2.2 rmind rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); 146 1.5.2.2 rmind 147 1.5.2.2 rmind if (ACPI_FAILURE(rv)) 148 1.5.2.2 rmind goto out; 149 1.5.2.2 rmind 150 1.5.2.2 rmind obj = buf.Pointer; 151 1.5.2.2 rmind 152 1.5.2.2 rmind if (obj->Type != ACPI_TYPE_INTEGER) { 153 1.5.2.2 rmind rv = AE_TYPE; 154 1.5.2.2 rmind goto out; 155 1.5.2.2 rmind } 156 1.5.2.2 rmind 157 1.5.2.2 rmind if (obj->Integer.Value > UINT32_MAX) { 158 1.5.2.2 rmind rv = AE_AML_NUMERIC_OVERFLOW; 159 1.5.2.2 rmind goto out; 160 1.5.2.2 rmind } 161 1.5.2.2 rmind 162 1.5.2.2 rmind val = obj->Integer.Value; 163 1.5.2.2 rmind 164 1.5.2.2 rmind switch (val) { 165 1.5.2.2 rmind 166 1.5.2.2 rmind case WMI_MSI_HOTKEY_BRIGHTNESS_DOWN: 167 1.5.2.2 rmind pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 168 1.5.2.2 rmind break; 169 1.5.2.2 rmind 170 1.5.2.2 rmind case WMI_MSI_HOTKEY_BRIGHTNESS_UP: 171 1.5.2.2 rmind pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 172 1.5.2.2 rmind break; 173 1.5.2.2 rmind 174 1.5.2.2 rmind case WMI_MSI_HOTKEY_VOLUME_DOWN: 175 1.5.2.2 rmind pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 176 1.5.2.2 rmind break; 177 1.5.2.2 rmind 178 1.5.2.2 rmind case WMI_MSI_HOTKEY_VOLUME_UP: 179 1.5.2.2 rmind pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 180 1.5.2.2 rmind break; 181 1.5.2.2 rmind 182 1.5.2.2 rmind default: 183 1.5.2.2 rmind aprint_normal_dev(sc->sc_dev, 184 1.5.2.2 rmind "unknown key 0x%02X for event 0x%02X\n", val, evt); 185 1.5.2.2 rmind break; 186 1.5.2.2 rmind } 187 1.5.2.2 rmind 188 1.5.2.2 rmind out: 189 1.5.2.2 rmind if (buf.Pointer != NULL) 190 1.5.2.2 rmind ACPI_FREE(buf.Pointer); 191 1.5.2.2 rmind 192 1.5.2.2 rmind if (ACPI_FAILURE(rv)) 193 1.5.2.2 rmind aprint_error_dev(sc->sc_dev, "failed to get data for " 194 1.5.2.2 rmind "event 0x%02X: %s\n", evt, AcpiFormatException(rv)); 195 1.5.2.2 rmind } 196 1.5.2.2 rmind 197 1.5.2.2 rmind MODULE(MODULE_CLASS_DRIVER, wmimsi, "acpiwmi"); 198 1.5.2.2 rmind 199 1.5.2.2 rmind #ifdef _MODULE 200 1.5.2.2 rmind #include "ioconf.c" 201 1.5.2.2 rmind #endif 202 1.5.2.2 rmind 203 1.5.2.2 rmind static int 204 1.5.2.2 rmind wmimsi_modcmd(modcmd_t cmd, void *aux) 205 1.5.2.2 rmind { 206 1.5.2.2 rmind int rv = 0; 207 1.5.2.2 rmind 208 1.5.2.2 rmind switch (cmd) { 209 1.5.2.2 rmind 210 1.5.2.2 rmind case MODULE_CMD_INIT: 211 1.5.2.2 rmind 212 1.5.2.2 rmind #ifdef _MODULE 213 1.5.2.2 rmind rv = config_init_component(cfdriver_ioconf_wmimsi, 214 1.5.2.2 rmind cfattach_ioconf_wmimsi, cfdata_ioconf_wmimsi); 215 1.5.2.2 rmind #endif 216 1.5.2.2 rmind break; 217 1.5.2.2 rmind 218 1.5.2.2 rmind case MODULE_CMD_FINI: 219 1.5.2.2 rmind 220 1.5.2.2 rmind #ifdef _MODULE 221 1.5.2.2 rmind rv = config_fini_component(cfdriver_ioconf_wmimsi, 222 1.5.2.2 rmind cfattach_ioconf_wmimsi, cfdata_ioconf_wmimsi); 223 1.5.2.2 rmind #endif 224 1.5.2.2 rmind break; 225 1.5.2.2 rmind 226 1.5.2.2 rmind default: 227 1.5.2.2 rmind rv = ENOTTY; 228 1.5.2.2 rmind } 229 1.5.2.2 rmind 230 1.5.2.2 rmind return rv; 231 1.5.2.2 rmind } 232
Indexes created Mon Sep 29 21:09:56 GMT 2025