asus_acpi.c revision 1.5
1 /* $NetBSD: asus_acpi.c,v 1.5 2008/05/14 12:15:47 jmcneill Exp $ */ 2 3 /*- 4 * Copyright (c) 2007, 2008 Jared D. McNeill <jmcneill (at) invisible.ca> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __KERNEL_RCSID(0, "$NetBSD: asus_acpi.c,v 1.5 2008/05/14 12:15:47 jmcneill Exp $"); 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/malloc.h> 35 #include <sys/buf.h> 36 #include <sys/callout.h> 37 #include <sys/kernel.h> 38 #include <sys/device.h> 39 #include <sys/pmf.h> 40 41 #include <dev/acpi/acpivar.h> 42 43 typedef struct asus_softc { 44 device_t sc_dev; 45 struct acpi_devnode *sc_node; 46 47 #define ASUS_PSW_DISPLAY_CYCLE 0 48 #define ASUS_PSW_LAST 1 49 struct sysmon_pswitch sc_smpsw[ASUS_PSW_LAST]; 50 bool sc_smpsw_valid; 51 } asus_softc_t; 52 53 #define ASUS_NOTIFY_WirelessSwitch 0x10 54 #define ASUS_NOTIFY_BrightnessLow 0x20 55 #define ASUS_NOTIFY_BrightnessHigh 0x2f 56 #define ASUS_NOTIFY_DisplayCycle 0x30 57 #define ASUS_NOTIFY_WindowSwitch 0x12 /* XXXJDM ?? */ 58 #define ASUS_NOTIFY_VolumeMute 0x13 59 #define ASUS_NOTIFY_VolumeDown 0x14 60 #define ASUS_NOTIFY_VolumeUp 0x15 61 62 #define ASUS_METHOD_SDSP "SDSP" 63 #define ASUS_SDSP_LCD 0x01 64 #define ASUS_SDSP_CRT 0x02 65 #define ASUS_SDSP_TV 0x04 66 #define ASUS_SDSP_DVI 0x08 67 #define ASUS_SDSP_ALL \ 68 (ASUS_SDSP_LCD | ASUS_SDSP_CRT | ASUS_SDSP_TV | ASUS_SDSP_DVI) 69 70 static int asus_match(device_t, cfdata_t, void *); 71 static void asus_attach(device_t, device_t, void *); 72 73 static void asus_notify_handler(ACPI_HANDLE, UINT32, void *); 74 75 static void asus_init(device_t); 76 static bool asus_resume(device_t PMF_FN_PROTO); 77 78 CFATTACH_DECL_NEW(asus, sizeof(asus_softc_t), 79 asus_match, asus_attach, NULL, NULL); 80 81 static const char * const asus_ids[] = { 82 "ASUS010", 83 NULL 84 }; 85 86 static int 87 asus_match(device_t parent, cfdata_t match, void *opaque) 88 { 89 struct acpi_attach_args *aa = opaque; 90 91 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 92 return 0; 93 94 return acpi_match_hid(aa->aa_node->ad_devinfo, asus_ids); 95 } 96 97 static void 98 asus_attach(device_t parent, device_t self, void *opaque) 99 { 100 asus_softc_t *sc = device_private(self); 101 struct acpi_attach_args *aa = opaque; 102 ACPI_STATUS rv; 103 104 sc->sc_node = aa->aa_node; 105 sc->sc_dev = self; 106 107 aprint_naive("\n"); 108 aprint_normal("\n"); 109 110 asus_init(self); 111 112 sc->sc_smpsw_valid = true; 113 sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_name = 114 PSWITCH_HK_DISPLAY_CYCLE; 115 sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_type = 116 PSWITCH_TYPE_HOTKEY; 117 if (sysmon_pswitch_register(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE])) { 118 aprint_error_dev(self, "couldn't register with sysmon\n"); 119 sc->sc_smpsw_valid = false; 120 } 121 122 rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle, ACPI_ALL_NOTIFY, 123 asus_notify_handler, sc); 124 if (ACPI_FAILURE(rv)) 125 aprint_error_dev(self, "couldn't install notify handler: %s\n", 126 AcpiFormatException(rv)); 127 128 if (!pmf_device_register(self, NULL, asus_resume)) 129 aprint_error_dev(self, "couldn't establish power handler\n"); 130 } 131 132 static void 133 asus_notify_handler(ACPI_HANDLE hdl, UINT32 notify, void *opaque) 134 { 135 asus_softc_t *sc = opaque; 136 137 if (notify >= ASUS_NOTIFY_BrightnessLow && 138 notify <= ASUS_NOTIFY_BrightnessHigh) { 139 aprint_debug_dev(sc->sc_dev, "brightness %d percent\n", 140 (notify & 0xf) * 100 / 0xf); 141 return; 142 } 143 144 switch (notify) { 145 case ASUS_NOTIFY_WirelessSwitch: /* handled by AML */ 146 case ASUS_NOTIFY_WindowSwitch: /* XXXJDM what is this? */ 147 break; 148 case ASUS_NOTIFY_DisplayCycle: 149 if (sc->sc_smpsw_valid == false) 150 break; 151 sysmon_pswitch_event(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE], 152 PSWITCH_EVENT_PRESSED); 153 break; 154 case ASUS_NOTIFY_VolumeMute: 155 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 156 break; 157 case ASUS_NOTIFY_VolumeDown: 158 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 159 break; 160 case ASUS_NOTIFY_VolumeUp: 161 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 162 break; 163 default: 164 aprint_debug_dev(sc->sc_dev, "unknown event 0x%02x\n", notify); 165 break; 166 } 167 } 168 169 static void 170 asus_init(device_t self) 171 { 172 asus_softc_t *sc = device_private(self); 173 ACPI_STATUS rv; 174 ACPI_OBJECT param; 175 ACPI_OBJECT_LIST params; 176 ACPI_BUFFER ret; 177 178 ret.Pointer = NULL; 179 ret.Length = ACPI_ALLOCATE_BUFFER; 180 param.Type = ACPI_TYPE_INTEGER; 181 param.Integer.Value = 0x40; /* disable ASL display switching */ 182 params.Pointer = ¶m; 183 params.Count = 1; 184 185 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "INIT", 186 ¶ms, &ret); 187 if (ACPI_FAILURE(rv)) 188 aprint_error_dev(self, "couldn't evaluate INIT: %s\n", 189 AcpiFormatException(rv)); 190 191 if (ret.Pointer) 192 AcpiOsFree(ret.Pointer); 193 } 194 195 static bool 196 asus_resume(device_t self PMF_FN_ARGS) 197 { 198 asus_softc_t *sc = device_private(self); 199 ACPI_STATUS rv; 200 ACPI_OBJECT param; 201 ACPI_OBJECT_LIST params; 202 ACPI_BUFFER ret; 203 204 asus_init(self); 205 206 ret.Pointer = NULL; 207 ret.Length = ACPI_ALLOCATE_BUFFER; 208 param.Type = ACPI_TYPE_INTEGER; 209 param.Integer.Value = ASUS_SDSP_LCD; 210 params.Pointer = ¶m; 211 params.Count = 1; 212 213 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, ASUS_METHOD_SDSP, 214 ¶ms, &ret); 215 if (ACPI_FAILURE(rv)) 216 aprint_error_dev(self, "couldn't evaluate SDSP: %s\n", 217 AcpiFormatException(rv)); 218 219 return true; 220 } 221
Indexes created Tue Sep 23 07:09:52 GMT 2025