sony_acpi.c revision 1.23
1 /* $NetBSD: sony_acpi.c,v 1.23 2016/07/07 06:55:41 msaitoh Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: sony_acpi.c,v 1.23 2016/07/07 06:55:41 msaitoh Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/sysctl.h> 36 #include <sys/systm.h> 37 38 #include <dev/acpi/acpireg.h> 39 #include <dev/acpi/acpivar.h> 40 41 #define _COMPONENT ACPI_RESOURCE_COMPONENT 42 ACPI_MODULE_NAME ("sony_acpi") 43 44 #define SONY_NOTIFY_FnKeyEvent 0x92 45 #define SONY_NOTIFY_BrightnessDownPressed 0x85 46 #define SONY_NOTIFY_BrightnessDownReleased 0x05 47 #define SONY_NOTIFY_BrightnessUpPressed 0x86 48 #define SONY_NOTIFY_BrightnessUpReleased 0x06 49 #define SONY_NOTIFY_DisplaySwitchPressed 0x87 50 #define SONY_NOTIFY_DisplaySwitchReleased 0x07 51 #define SONY_NOTIFY_ZoomPressed 0x8a 52 #define SONY_NOTIFY_ZoomReleased 0x0a 53 #define SONY_NOTIFY_SuspendPressed 0x8c 54 #define SONY_NOTIFY_SuspendReleased 0x0c 55 56 struct sony_acpi_softc { 57 device_t sc_dev; 58 struct sysctllog *sc_log; 59 struct acpi_devnode *sc_node; 60 61 #define SONY_PSW_SLEEP 0 62 #define SONY_PSW_DISPLAY_CYCLE 1 63 #define SONY_PSW_ZOOM 2 64 #define SONY_PSW_LAST 3 65 struct sysmon_pswitch sc_smpsw[SONY_PSW_LAST]; 66 int sc_smpsw_valid; 67 68 #define SONY_ACPI_QUIRK_FNINIT 0x01 69 int sc_quirks; 70 bool sc_has_pic; 71 72 struct sony_acpi_pmstate { 73 ACPI_INTEGER brt; 74 } sc_pmstate; 75 }; 76 77 static const char * const sony_acpi_ids[] = { 78 "SNY5001", 79 NULL 80 }; 81 82 static int sony_acpi_match(device_t, cfdata_t, void *); 83 static void sony_acpi_attach(device_t, device_t, void *); 84 static ACPI_STATUS sony_acpi_eval_set_integer(ACPI_HANDLE, const char *, 85 ACPI_INTEGER, ACPI_INTEGER *); 86 static void sony_acpi_quirk_setup(struct sony_acpi_softc *); 87 static void sony_acpi_notify_handler(ACPI_HANDLE, uint32_t, void *); 88 static bool sony_acpi_suspend(device_t, const pmf_qual_t *); 89 static bool sony_acpi_resume(device_t, const pmf_qual_t *); 90 static void sony_acpi_brightness_down(device_t); 91 static void sony_acpi_brightness_up(device_t); 92 static ACPI_STATUS sony_acpi_find_pic(ACPI_HANDLE, uint32_t, void *, void **); 93 94 CFATTACH_DECL_NEW(sony_acpi, sizeof(struct sony_acpi_softc), 95 sony_acpi_match, sony_acpi_attach, NULL, NULL); 96 97 static int 98 sony_acpi_match(device_t parent, cfdata_t match, void *aux) 99 { 100 struct acpi_attach_args *aa = aux; 101 102 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 103 return 0; 104 105 return acpi_match_hid(aa->aa_node->ad_devinfo, sony_acpi_ids); 106 } 107 108 static int 109 sony_sysctl_helper(SYSCTLFN_ARGS) 110 { 111 struct sysctlnode node; 112 ACPI_INTEGER acpi_val; 113 ACPI_STATUS rv; 114 int val, old_val, error; 115 char buf[SYSCTL_NAMELEN + 1], *ptr; 116 struct sony_acpi_softc *sc = rnode->sysctl_data; 117 118 (void)snprintf(buf, sizeof(buf), "G%s", rnode->sysctl_name); 119 for (ptr = buf; *ptr; ptr++) 120 *ptr = toupper((unsigned char)*ptr); 121 122 rv = acpi_eval_integer(sc->sc_node->ad_handle, buf, &acpi_val); 123 if (ACPI_FAILURE(rv)) { 124 #ifdef DIAGNOSTIC 125 printf("%s: couldn't get `%s'\n", device_xname(sc->sc_dev), 126 buf); 127 #endif 128 return EIO; 129 } 130 val = old_val = acpi_val; 131 132 node = *rnode; 133 node.sysctl_data = &val; 134 135 error = sysctl_lookup(SYSCTLFN_CALL(&node)); 136 if (error || newp == NULL) 137 return error; 138 139 buf[0] = 'S'; 140 acpi_val = val; 141 rv = sony_acpi_eval_set_integer(sc->sc_node->ad_handle, buf, 142 acpi_val, NULL); 143 if (ACPI_FAILURE(rv)) { 144 #ifdef DIAGNOSTIC 145 printf("%s: couldn't set `%s' to %d\n", 146 device_xname(sc->sc_dev), buf, val); 147 #endif 148 return EIO; 149 } 150 return 0; 151 } 152 153 static ACPI_STATUS 154 sony_walk_cb(ACPI_HANDLE hnd, uint32_t v, void *context, void **status) 155 { 156 struct sony_acpi_softc *sc = (void *)context; 157 const struct sysctlnode *node, *snode; 158 const char *name = acpi_name(hnd); 159 ACPI_INTEGER acpi_val; 160 char buf[SYSCTL_NAMELEN + 1], *ptr; 161 int rv; 162 163 if ((name = strrchr(name, '.')) == NULL) 164 return AE_OK; 165 166 name++; 167 if ((*name != 'G') && (*name != 'S')) 168 return AE_OK; 169 170 (void)strlcpy(buf, name, sizeof(buf)); 171 *buf = 'G'; 172 173 /* 174 * We assume that if the 'get' of the name as an integer is 175 * successful it is ok. 176 */ 177 if (acpi_eval_integer(sc->sc_node->ad_handle, buf, &acpi_val)) 178 return AE_OK; 179 180 for (ptr = buf; *ptr; ptr++) 181 *ptr = tolower(*ptr); 182 183 if ((rv = sysctl_createv(&sc->sc_log, 0, NULL, &snode, 0, 184 CTLTYPE_NODE, device_xname(sc->sc_dev), 185 SYSCTL_DESCR("sony controls"), 186 NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL)) != 0) 187 goto out; 188 189 if ((rv = sysctl_createv(&sc->sc_log, 0, &snode, &node, 190 CTLFLAG_READWRITE, CTLTYPE_INT, buf + 1, NULL, 191 sony_sysctl_helper, 0, (void *)sc, 0, CTL_CREATE, CTL_EOL)) != 0) 192 goto out; 193 194 out: 195 #ifdef DIAGNOSTIC 196 if (rv) 197 printf("%s: sysctl_createv failed (rv = %d)\n", 198 device_xname(sc->sc_dev), rv); 199 #endif 200 return AE_OK; 201 } 202 203 ACPI_STATUS 204 sony_acpi_eval_set_integer(ACPI_HANDLE handle, const char *path, 205 ACPI_INTEGER val, ACPI_INTEGER *valp) 206 { 207 ACPI_STATUS rv; 208 ACPI_BUFFER buf; 209 ACPI_OBJECT param, ret_val; 210 ACPI_OBJECT_LIST params; 211 212 if (handle == NULL) 213 handle = ACPI_ROOT_OBJECT; 214 215 params.Count = 1; 216 params.Pointer = ¶m; 217 218 param.Type = ACPI_TYPE_INTEGER; 219 param.Integer.Value = val; 220 221 buf.Pointer = &ret_val; 222 buf.Length = sizeof(ret_val); 223 224 rv = AcpiEvaluateObjectTyped(handle, path, ¶ms, &buf, 225 ACPI_TYPE_INTEGER); 226 227 if (ACPI_SUCCESS(rv) && valp) 228 *valp = ret_val.Integer.Value; 229 230 return rv; 231 } 232 233 static void 234 sony_acpi_attach(device_t parent, device_t self, void *aux) 235 { 236 struct sony_acpi_softc *sc = device_private(self); 237 struct acpi_attach_args *aa = aux; 238 ACPI_STATUS rv; 239 int i; 240 241 aprint_naive(": Sony Miscellaneous Controller\n"); 242 aprint_normal(": Sony Miscellaneous Controller\n"); 243 244 sc->sc_node = aa->aa_node; 245 sc->sc_dev = self; 246 247 rv = AcpiWalkNamespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, 100, 248 sony_acpi_find_pic, NULL, sc, NULL); 249 if (ACPI_FAILURE(rv)) 250 aprint_error_dev(self, "couldn't walk namespace: %s\n", 251 AcpiFormatException(rv)); 252 253 /* 254 * If we don't find an SNY6001 device, assume that we need the 255 * Fn key initialization sequence. 256 */ 257 if (sc->sc_has_pic == false) 258 sc->sc_quirks |= SONY_ACPI_QUIRK_FNINIT; 259 260 sony_acpi_quirk_setup(sc); 261 262 /* Configure suspend button and hotkeys */ 263 sc->sc_smpsw[SONY_PSW_SLEEP].smpsw_name = device_xname(self); 264 sc->sc_smpsw[SONY_PSW_SLEEP].smpsw_type = PSWITCH_TYPE_SLEEP; 265 sc->sc_smpsw[SONY_PSW_DISPLAY_CYCLE].smpsw_name = 266 PSWITCH_HK_DISPLAY_CYCLE; 267 sc->sc_smpsw[SONY_PSW_DISPLAY_CYCLE].smpsw_type = PSWITCH_TYPE_HOTKEY; 268 sc->sc_smpsw[SONY_PSW_ZOOM].smpsw_name = PSWITCH_HK_ZOOM_BUTTON; 269 sc->sc_smpsw[SONY_PSW_ZOOM].smpsw_type = PSWITCH_TYPE_HOTKEY; 270 sc->sc_smpsw_valid = 1; 271 272 for (i = 0; i < SONY_PSW_LAST; i++) 273 if (sysmon_pswitch_register(&sc->sc_smpsw[i]) != 0) { 274 aprint_error_dev(self, 275 "couldn't register %s with sysmon\n", 276 sc->sc_smpsw[i].smpsw_name); 277 sc->sc_smpsw_valid = 0; 278 } 279 280 (void)acpi_register_notify(sc->sc_node, sony_acpi_notify_handler); 281 282 /* Install sysctl handler */ 283 rv = AcpiWalkNamespace(ACPI_TYPE_METHOD, 284 sc->sc_node->ad_handle, 1, sony_walk_cb, NULL, sc, NULL); 285 286 #ifdef DIAGNOSTIC 287 if (ACPI_FAILURE(rv)) 288 aprint_error_dev(self, "Cannot walk ACPI namespace (%u)\n", 289 rv); 290 #endif 291 292 if (!pmf_device_register(self, sony_acpi_suspend, sony_acpi_resume)) 293 aprint_error_dev(self, "couldn't establish power handler\n"); 294 295 if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_UP, 296 sony_acpi_brightness_up, true)) 297 aprint_error_dev(self, 298 "couldn't register BRIGHTNESS UP handler\n"); 299 300 if (!pmf_event_register(self, PMFE_DISPLAY_BRIGHTNESS_DOWN, 301 sony_acpi_brightness_down, true)) 302 aprint_error_dev(self, 303 "couldn't register BRIGHTNESS DOWN handler\n"); 304 } 305 306 static void 307 sony_acpi_quirk_setup(struct sony_acpi_softc *sc) 308 { 309 ACPI_HANDLE hdl = sc->sc_node->ad_handle; 310 311 if (sc->sc_quirks & SONY_ACPI_QUIRK_FNINIT) { 312 /* Initialize extra Fn keys */ 313 sony_acpi_eval_set_integer(hdl, "SN02", 0x04, NULL); 314 sony_acpi_eval_set_integer(hdl, "SN07", 0x02, NULL); 315 sony_acpi_eval_set_integer(hdl, "SN02", 0x10, NULL); 316 sony_acpi_eval_set_integer(hdl, "SN07", 0x00, NULL); 317 sony_acpi_eval_set_integer(hdl, "SN03", 0x02, NULL); 318 sony_acpi_eval_set_integer(hdl, "SN07", 0x101, NULL); 319 } 320 } 321 322 static void 323 sony_acpi_notify_handler(ACPI_HANDLE hdl, uint32_t notify, void *opaque) 324 { 325 device_t dv = opaque; 326 struct sony_acpi_softc *sc = device_private(dv); 327 ACPI_STATUS rv; 328 ACPI_INTEGER arg; 329 330 if (notify == SONY_NOTIFY_FnKeyEvent) { 331 rv = sony_acpi_eval_set_integer(hdl, "SN07", 0x202, &arg); 332 if (ACPI_FAILURE(rv)) 333 return; 334 335 notify = arg & 0xff; 336 } 337 338 switch (notify) { 339 case SONY_NOTIFY_BrightnessDownPressed: 340 sony_acpi_brightness_down(dv); 341 break; 342 case SONY_NOTIFY_BrightnessUpPressed: 343 sony_acpi_brightness_up(dv); 344 break; 345 case SONY_NOTIFY_BrightnessDownReleased: 346 case SONY_NOTIFY_BrightnessUpReleased: 347 break; 348 case SONY_NOTIFY_SuspendPressed: 349 if (!sc->sc_smpsw_valid) 350 break; 351 sysmon_pswitch_event(&sc->sc_smpsw[SONY_PSW_SLEEP], 352 PSWITCH_EVENT_PRESSED); 353 break; 354 case SONY_NOTIFY_SuspendReleased: 355 break; 356 case SONY_NOTIFY_DisplaySwitchPressed: 357 if (!sc->sc_smpsw_valid) 358 break; 359 sysmon_pswitch_event(&sc->sc_smpsw[SONY_PSW_DISPLAY_CYCLE], 360 PSWITCH_EVENT_PRESSED); 361 break; 362 case SONY_NOTIFY_DisplaySwitchReleased: 363 break; 364 case SONY_NOTIFY_ZoomPressed: 365 if (!sc->sc_smpsw_valid) 366 break; 367 sysmon_pswitch_event(&sc->sc_smpsw[SONY_PSW_ZOOM], 368 PSWITCH_EVENT_PRESSED); 369 break; 370 case SONY_NOTIFY_ZoomReleased: 371 break; 372 default: 373 aprint_debug_dev(dv, "unknown notify event 0x%x\n", notify); 374 break; 375 } 376 } 377 378 static bool 379 sony_acpi_suspend(device_t dv, const pmf_qual_t *qual) 380 { 381 struct sony_acpi_softc *sc = device_private(dv); 382 383 acpi_eval_integer(sc->sc_node->ad_handle, "GBRT", &sc->sc_pmstate.brt); 384 385 return true; 386 } 387 388 static bool 389 sony_acpi_resume(device_t dv, const pmf_qual_t *qual) 390 { 391 struct sony_acpi_softc *sc = device_private(dv); 392 393 sony_acpi_eval_set_integer(sc->sc_node->ad_handle, "SBRT", 394 sc->sc_pmstate.brt, NULL); 395 sony_acpi_quirk_setup(sc); 396 397 return true; 398 } 399 400 static void 401 sony_acpi_brightness_up(device_t dv) 402 { 403 struct sony_acpi_softc *sc = device_private(dv); 404 ACPI_INTEGER arg; 405 ACPI_STATUS rv; 406 407 rv = acpi_eval_integer(sc->sc_node->ad_handle, "GBRT", &arg); 408 if (ACPI_FAILURE(rv)) 409 return; 410 if (arg >= 8) 411 arg = 8; 412 else 413 arg++; 414 sony_acpi_eval_set_integer(sc->sc_node->ad_handle, "SBRT", arg, NULL); 415 } 416 417 static void 418 sony_acpi_brightness_down(device_t dv) 419 { 420 struct sony_acpi_softc *sc = device_private(dv); 421 ACPI_INTEGER arg; 422 ACPI_STATUS rv; 423 424 rv = acpi_eval_integer(sc->sc_node->ad_handle, "GBRT", &arg); 425 if (ACPI_FAILURE(rv)) 426 return; 427 if (arg <= 0) 428 arg = 0; 429 else 430 arg--; 431 sony_acpi_eval_set_integer(sc->sc_node->ad_handle, "SBRT", arg, NULL); 432 } 433 434 static ACPI_STATUS 435 sony_acpi_find_pic(ACPI_HANDLE hdl, uint32_t level, 436 void *opaque, void **status) 437 { 438 struct sony_acpi_softc *sc = opaque; 439 ACPI_STATUS rv; 440 ACPI_DEVICE_INFO *devinfo; 441 442 rv = AcpiGetObjectInfo(hdl, &devinfo); 443 if (ACPI_FAILURE(rv) || devinfo == NULL) 444 return AE_OK; /* we don't want to stop searching */ 445 446 if ((devinfo->Valid & ACPI_VALID_HID) != 0 && 447 devinfo->HardwareId.String && 448 strncmp(devinfo->HardwareId.String, "SNY6001", 7) == 0) 449 sc->sc_has_pic = true; 450 451 ACPI_FREE(devinfo); 452 453 return AE_OK; 454 } 455
Indexes created Thu Oct 02 14:10:14 GMT 2025