asus_acpi.c revision 1.1
1 /* $NetBSD: asus_acpi.c,v 1.1 2008/03/31 15:17:21 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jared D. McNeill. 18 * 4. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #include <sys/cdefs.h> 36 __KERNEL_RCSID(0, "$NetBSD: asus_acpi.c,v 1.1 2008/03/31 15:17:21 jmcneill Exp $"); 37 38 #include <sys/types.h> 39 #include <sys/param.h> 40 #include <sys/malloc.h> 41 #include <sys/buf.h> 42 #include <sys/callout.h> 43 #include <sys/kernel.h> 44 #include <sys/device.h> 45 #include <sys/pmf.h> 46 47 #include <dev/acpi/acpivar.h> 48 49 typedef struct asus_softc { 50 device_t sc_dev; 51 struct acpi_devnode *sc_node; 52 53 #define ASUS_PSW_DISPLAY_CYCLE 0 54 #define ASUS_PSW_LAST 1 55 struct sysmon_pswitch sc_smpsw[ASUS_PSW_LAST]; 56 bool sc_smpsw_valid; 57 } asus_softc_t; 58 59 #define ASUS_NOTIFY_WirelessSwitch 0x10 60 #define ASUS_NOTIFY_BrightnessLow 0x20 61 #define ASUS_NOTIFY_BrightnessHigh 0x2f 62 #define ASUS_NOTIFY_DisplayCycle 0x30 63 #define ASUS_NOTIFY_WindowSwitch 0x12 /* XXXJDM ?? */ 64 #define ASUS_NOTIFY_VolumeMute 0x13 65 #define ASUS_NOTIFY_VolumeDown 0x14 66 #define ASUS_NOTIFY_VolumeUp 0x15 67 68 #define ASUS_METHOD_SDSP "SDSP" 69 #define ASUS_SDSP_LCD 0x01 70 #define ASUS_SDSP_CRT 0x02 71 #define ASUS_SDSP_TV 0x04 72 #define ASUS_SDSP_DVI 0x08 73 #define ASUS_SDSP_ALL \ 74 (ASUS_SDSP_LCD | ASUS_SDSP_CRT | ASUS_SDSP_TV | ASUS_SDSP_DVI) 75 76 static int asus_match(device_t, struct cfdata *, void *); 77 static void asus_attach(device_t, device_t, void *); 78 79 static void asus_notify_handler(ACPI_HANDLE, UINT32, void *); 80 81 static void asus_init(device_t); 82 static bool asus_resume(device_t PMF_FN_PROTO); 83 84 CFATTACH_DECL_NEW(asus, sizeof(asus_softc_t), 85 asus_match, asus_attach, NULL, NULL); 86 87 static const char * const asus_ids[] = { 88 "ASUS010", 89 NULL 90 }; 91 92 static int 93 asus_match(device_t parent, cfdata_t match, void *opaque) 94 { 95 struct acpi_attach_args *aa = opaque; 96 97 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 98 return 0; 99 100 return acpi_match_hid(aa->aa_node->ad_devinfo, asus_ids); 101 } 102 103 static void 104 asus_attach(device_t parent, device_t self, void *opaque) 105 { 106 asus_softc_t *sc = device_private(self); 107 struct acpi_attach_args *aa = opaque; 108 ACPI_STATUS rv; 109 110 sc->sc_node = aa->aa_node; 111 sc->sc_dev = self; 112 113 aprint_naive("\n"); 114 aprint_normal("\n"); 115 116 asus_init(self); 117 118 sc->sc_smpsw_valid = true; 119 sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_name = 120 PSWITCH_HK_DISPLAY_CYCLE; 121 sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE].smpsw_type = 122 PSWITCH_TYPE_HOTKEY; 123 if (sysmon_pswitch_register(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE])) { 124 aprint_error_dev(self, "couldn't register with sysmon\n"); 125 sc->sc_smpsw_valid = false; 126 } 127 128 rv = AcpiInstallNotifyHandler(sc->sc_node->ad_handle, ACPI_ALL_NOTIFY, 129 asus_notify_handler, sc); 130 if (ACPI_FAILURE(rv)) 131 aprint_error_dev(self, "couldn't install notify handler: %s\n", 132 AcpiFormatException(rv)); 133 134 if (!pmf_device_register(self, NULL, asus_resume)) 135 aprint_error_dev(self, "couldn't establish power handler\n"); 136 137 return; 138 } 139 140 static void 141 asus_notify_handler(ACPI_HANDLE hdl, UINT32 notify, void *opaque) 142 { 143 asus_softc_t *sc = opaque; 144 145 if (notify >= ASUS_NOTIFY_BrightnessLow && 146 notify <= ASUS_NOTIFY_BrightnessHigh) { 147 aprint_debug_dev(sc->sc_dev, "brightness %d percent\n", 148 (notify & 0xf) * 100 / 0xf); 149 return; 150 } 151 152 switch (notify) { 153 case ASUS_NOTIFY_WirelessSwitch: /* handled by AML */ 154 case ASUS_NOTIFY_WindowSwitch: /* XXXJDM what is this? */ 155 break; 156 case ASUS_NOTIFY_DisplayCycle: 157 if (sc->sc_smpsw_valid == false) 158 break; 159 sysmon_pswitch_event(&sc->sc_smpsw[ASUS_PSW_DISPLAY_CYCLE], 160 PSWITCH_EVENT_PRESSED); 161 break; 162 case ASUS_NOTIFY_VolumeMute: 163 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 164 break; 165 case ASUS_NOTIFY_VolumeDown: 166 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 167 break; 168 case ASUS_NOTIFY_VolumeUp: 169 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 170 break; 171 default: 172 aprint_debug_dev(sc->sc_dev, "unknown event 0x%02x\n", notify); 173 break; 174 } 175 } 176 177 static void 178 asus_init(device_t self) 179 { 180 asus_softc_t *sc = device_private(self); 181 ACPI_STATUS rv; 182 ACPI_OBJECT param; 183 ACPI_OBJECT_LIST params; 184 ACPI_BUFFER ret; 185 186 ret.Pointer = NULL; 187 ret.Length = ACPI_ALLOCATE_BUFFER; 188 param.Type = ACPI_TYPE_INTEGER; 189 param.Integer.Value = 0x40; /* disable ASL display switching */ 190 params.Pointer = ¶m; 191 params.Count = 1; 192 193 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "INIT", 194 ¶ms, &ret); 195 if (ACPI_FAILURE(rv)) 196 aprint_error_dev(self, "couldn't evaluate INIT: %s\n", 197 AcpiFormatException(rv)); 198 } 199 200 static bool 201 asus_resume(device_t self PMF_FN_ARGS) 202 { 203 asus_softc_t *sc = device_private(self); 204 ACPI_STATUS rv; 205 ACPI_OBJECT param; 206 ACPI_OBJECT_LIST params; 207 ACPI_BUFFER ret; 208 209 asus_init(self); 210 211 ret.Pointer = NULL; 212 ret.Length = ACPI_ALLOCATE_BUFFER; 213 param.Type = ACPI_TYPE_INTEGER; 214 param.Integer.Value = ASUS_SDSP_LCD; 215 params.Pointer = ¶m; 216 params.Count = 1; 217 218 rv = AcpiEvaluateObject(sc->sc_node->ad_handle, ASUS_METHOD_SDSP, 219 ¶ms, &ret); 220 if (ACPI_FAILURE(rv)) 221 aprint_error_dev(self, "couldn't evaluate SDSP: %s\n", 222 AcpiFormatException(rv)); 223 224 return true; 225 } 226
Indexes created Thu Sep 25 16:09:42 GMT 2025