1 /* $NetBSD: hpqlb_acpi.c,v 1.5 2010/01/30 18:35:49 jruoho Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 Christoph Egger <cegger@netbsd.org> 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: hpqlb_acpi.c,v 1.5 2010/01/30 18:35:49 jruoho 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/acpireg.h> 42 #include <dev/acpi/acpivar.h> 43 44 #include <machine/pio.h> 45 #include <dev/wscons/wsconsio.h> 46 #include <dev/wscons/wskbdvar.h> 47 #include <dev/isa/isareg.h> 48 49 #define _COMPONENT ACPI_RESOURCE_COMPONENT 50 ACPI_MODULE_NAME ("hpqlb_acpi") 51 52 #ifdef HPQLB_DEBUG 53 #define DPRINTF(x) do { printf x; } while (/* CONSTCOND */0) 54 #else 55 #define DPRINTF(x) 56 #endif 57 58 struct hpqlb_softc { 59 device_t sc_dev; 60 struct acpi_devnode *sc_node; 61 62 device_t sc_wskbddev; 63 64 #define HP_PSW_DISPLAY_CYCLE 0 65 #define HP_PSW_BRIGHTNESS_UP 1 66 #define HP_PSW_BRIGHTNESS_DOWN 2 67 #define HP_PSW_SLEEP 3 68 #define HP_PSW_LAST 4 69 struct sysmon_pswitch sc_smpsw[HP_PSW_LAST]; 70 bool sc_smpsw_displaycycle_valid; 71 bool sc_smpsw_sleep_valid; 72 }; 73 74 #define HP_QLB_Quick 0x88 75 #define HP_QLB_DVD 0x8e 76 #define HP_QLB_FullBackward 0x90 77 #define HP_QLB_Play 0xa2 78 #define HP_QLB_FullForward 0x99 79 #define HP_QLB_Stop 0xa4 80 #define HP_QLB_VolumeMute 0xa0 81 #define HP_QLB_VolumeDown 0xae 82 #define HP_QLB_VolumeUp 0xb0 83 84 #define HP_QLB_Help 0xb1 85 #define HP_QLB_WWW 0xb2 86 #define HP_QLB_DisplayCycle /* ??? */ 87 #define HP_QLB_Sleep 0xdf 88 #define HP_QLB_Lock 0x8a 89 #define HP_QLB_BrightnessDown /* ??? */ 90 #define HP_QLB_BrightnessUp /* ??? */ 91 #define HP_QLB_ChasisOpen 0xe3 92 93 static int hpqlb_match(device_t, cfdata_t, void *); 94 static void hpqlb_attach(device_t, device_t, void *); 95 96 static int hpqlb_finalize(device_t); 97 static int hpqlb_hotkey_handler(struct wskbd_softc *, void *, u_int, int); 98 99 static void hpqlb_init(device_t); 100 static bool hpqlb_resume(device_t, pmf_qual_t); 101 102 CFATTACH_DECL_NEW(hpqlb, sizeof(struct hpqlb_softc), 103 hpqlb_match, hpqlb_attach, NULL, NULL); 104 105 static const char * const hpqlb_ids[] = { 106 "HPQ0006", 107 "HPQ0007", 108 NULL 109 }; 110 111 static int 112 hpqlb_match(device_t parent, cfdata_t match, void *opaque) 113 { 114 struct acpi_attach_args *aa = opaque; 115 116 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 117 return 0; 118 119 return acpi_match_hid(aa->aa_node->ad_devinfo, hpqlb_ids); 120 } 121 122 static void 123 hpqlb_attach(device_t parent, device_t self, void *opaque) 124 { 125 struct hpqlb_softc *sc = device_private(self); 126 struct acpi_attach_args *aa = opaque; 127 128 sc->sc_node = aa->aa_node; 129 sc->sc_dev = self; 130 131 aprint_naive("\n"); 132 aprint_normal(": HP Quick Launch Buttons\n"); 133 134 hpqlb_init(self); 135 136 if (config_finalize_register(self, hpqlb_finalize) != 0) 137 aprint_error_dev(self, 138 "WARNING: unable to register hpqlb finalizer\n"); 139 140 sc->sc_smpsw_displaycycle_valid = true; 141 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_name = 142 PSWITCH_HK_DISPLAY_CYCLE; 143 sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE].smpsw_type = 144 PSWITCH_TYPE_HOTKEY; 145 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE])) { 146 aprint_error_dev(self, "couldn't register with sysmon\n"); 147 sc->sc_smpsw_displaycycle_valid = false; 148 } 149 150 sc->sc_smpsw_sleep_valid = true; 151 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_name = device_xname(self); 152 sc->sc_smpsw[HP_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP; 153 if (sysmon_pswitch_register(&sc->sc_smpsw[HP_PSW_SLEEP])) { 154 aprint_error_dev(self, "couldn't register sleep with sysmon\n"); 155 sc->sc_smpsw_sleep_valid = false; 156 } 157 158 if (!pmf_device_register(self, NULL, hpqlb_resume)) 159 aprint_error_dev(self, "couldn't establish power handler\n"); 160 } 161 162 static int 163 hpqlb_hotkey_handler(struct wskbd_softc *wskbd_sc, void *cookie, 164 u_int type, int value) 165 { 166 struct hpqlb_softc *sc = cookie; 167 int ret = 1; 168 169 switch (value) { 170 case HP_QLB_VolumeMute: 171 if (type != WSCONS_EVENT_KEY_DOWN) 172 break; 173 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_TOGGLE); 174 break; 175 case HP_QLB_VolumeDown: 176 if (type != WSCONS_EVENT_KEY_DOWN) 177 break; 178 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_DOWN); 179 break; 180 case HP_QLB_VolumeUp: 181 if (type != WSCONS_EVENT_KEY_DOWN) 182 break; 183 pmf_event_inject(NULL, PMFE_AUDIO_VOLUME_UP); 184 break; 185 186 #if 0 187 case HP_QLB_DisplayCycle: /* ??? */ 188 if (type != WSCONS_EVENT_KEY_DOWN) 189 break; 190 if (sc->sc_smpsw_displaycycle_valid == false) 191 break; 192 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_DISPLAY_CYCLE], 193 PSWITCH_EVENT_PRESSED); 194 break; 195 #endif 196 case HP_QLB_Sleep: 197 if (type != WSCONS_EVENT_KEY_DOWN) 198 break; 199 if (sc->sc_smpsw_sleep_valid == false) { 200 DPRINTF(("%s: Sleep hotkey\n", 201 device_xname(sc->sc_dev))); 202 break; 203 } 204 sysmon_pswitch_event(&sc->sc_smpsw[HP_PSW_SLEEP], 205 PSWITCH_EVENT_PRESSED); 206 break; 207 #if 0 208 case HP_QLB_BrightnessDown: /* ??? */ 209 if (type != WSCONS_EVENT_KEY_DOWN) 210 break; 211 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); 212 break; 213 case HP_QLB_BrightnessUp: /* ??? */ 214 if (type != WSCONS_EVENT_KEY_DOWN) 215 break; 216 pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); 217 break; 218 #endif 219 case HP_QLB_ChasisOpen: 220 if (type != WSCONS_EVENT_KEY_DOWN) 221 break; 222 pmf_event_inject(NULL, PMFE_CHASSIS_LID_OPEN); 223 break; 224 default: 225 DPRINTF(("%s: unknown hotkey 0x%02x\n", 226 device_xname(sc->sc_dev), value)); 227 ret = 0; /* Assume, this is no hotkey */ 228 break; 229 } 230 231 return ret; 232 } 233 234 static void 235 hpqlb_init(device_t self) 236 { 237 238 /* HPQ0006: HP Quick Launch Buttons */ 239 /* HPQ0007: HP Remote Device */ 240 /* val 0, 1 or 7 == HPQ0006 */ 241 /* val not 0, 1 or 7 == HPQ0007 */ 242 243 /* Turn on Quick Launch Buttons */ 244 outb(IO_RTC+2, 0xaf); 245 outb(IO_RTC+3, 7 /* val */); 246 } 247 248 static int 249 hpqlb_finalize(device_t self) 250 { 251 device_t dv; 252 deviter_t di; 253 struct hpqlb_softc *sc = device_private(self); 254 static int done_once = 0; 255 256 /* Since we only handle real hardware, we only need to be 257 * called once. 258 */ 259 if (done_once) 260 return 0; 261 done_once = 1; 262 263 for (dv = deviter_first(&di, DEVITER_F_ROOT_FIRST); dv != NULL; 264 dv = deviter_next(&di)) { 265 if (!device_is_a(dv, "wskbd")) 266 continue; 267 268 /* Make sure, we don't get a wskbd from a USB keyboard. 269 * QLB only works on the wskbd attached on pckbd. */ 270 if (!device_is_a(device_parent(dv), "pckbd")) 271 continue; 272 273 aprint_normal_dev(self, "registering on %s\n", 274 device_xname(dv)); 275 break; 276 } 277 deviter_release(&di); 278 279 if (dv == NULL) { 280 aprint_error_dev(self, "WARNING: no matching wskbd found\n"); 281 return 1; 282 } 283 284 sc->sc_wskbddev = dv; 285 286 wskbd_hotkey_register(sc->sc_wskbddev, sc, hpqlb_hotkey_handler); 287 288 return 0; 289 } 290 291 static bool 292 hpqlb_resume(device_t self, pmf_qual_t qual) 293 { 294 295 hpqlb_init(self); 296 297 return true; 298 } 299