| 1 | /* $NetBSD: wmi_hp.c,v 1.9 2015/04/23 23:23:00 pgoyette Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2009, 2010 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by Jukka Ruohonen. |
| 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 | * |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | /*- |
| 34 | * Copyright (c) 2009 Michael Gmelin <freebsd@grem.de> |
| 35 | * All rights reserved. |
| 36 | * |
| 37 | * Redistribution and use in source and binary forms, with or without |
| 38 | * modification, are permitted provided that the following conditions |
| 39 | * are met: |
| 40 | * 1. Redistributions of source code must retain the above copyright |
| 41 | * notice, this list of conditions and the following disclaimer. |
| 42 | * 2. Redistributions in binary form must reproduce the above copyright |
| 43 | * notice, this list of conditions and the following disclaimer in the |
| 44 | * documentation and/or other materials provided with the distribution. |
| 45 | * |
| 46 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
| 47 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 48 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 49 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 50 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 51 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 52 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 53 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 54 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 55 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 56 | * SUCH DAMAGE. |
| 57 | */ |
| 58 | |
| 59 | #include <sys/cdefs.h> |
| 60 | __KERNEL_RCSID(0, "$NetBSD: wmi_hp.c,v 1.9 2015/04/23 23:23:00 pgoyette Exp $" ); |
| 61 | |
| 62 | #include <sys/param.h> |
| 63 | #include <sys/device.h> |
| 64 | #include <sys/kmem.h> |
| 65 | #include <sys/module.h> |
| 66 | |
| 67 | #include <dev/acpi/acpireg.h> |
| 68 | #include <dev/acpi/acpivar.h> |
| 69 | #include <dev/acpi/wmi/wmi_acpivar.h> |
| 70 | |
| 71 | #include <dev/sysmon/sysmonvar.h> |
| 72 | |
| 73 | #include <sys/sysctl.h> |
| 74 | |
| 75 | /* |
| 76 | * HP CMI whitepaper: |
| 77 | * http://h20331.www2.hp.com/Hpsub/downloads/cmi_whitepaper.pdf |
| 78 | */ |
| 79 | |
| 80 | #define _COMPONENT ACPI_RESOURCE_COMPONENT |
| 81 | ACPI_MODULE_NAME ("wmi_hp" ) |
| 82 | |
| 83 | #define WMI_HP_METHOD_ARG_READ 0x01 |
| 84 | #define WMI_HP_METHOD_ARG_WRITE 0x02 |
| 85 | #define WMI_HP_METHOD_ARG_WRITE_SIZE 0x04 |
| 86 | #define WMI_HP_METHOD_ARG_MAGIC 0x55434553 |
| 87 | #define WMI_HP_METHOD_ARG_SIZE 0x05 * sizeof(uint32_t) |
| 88 | |
| 89 | #define WMI_HP_METHOD_CMD_DISPLAY 0x01 |
| 90 | #define WMI_HP_METHOD_CMD_HDDTEMP 0x02 |
| 91 | #define WMI_HP_METHOD_CMD_ALS 0x03 |
| 92 | #define WMI_HP_METHOD_CMD_DOCK 0x04 |
| 93 | #define WMI_HP_METHOD_CMD_SWITCH 0x05 |
| 94 | #define WMI_HP_METHOD_CMD_HOTKEY 0x0C |
| 95 | |
| 96 | #define WMI_HP_EVENT_DOCK 0x01 |
| 97 | #define WMI_HP_EVENT_HOTKEY 0x04 |
| 98 | #define WMI_HP_EVENT_SWITCH 0x05 |
| 99 | /* WMI_HP_EVENT_UNKNOWN 0xXX */ |
| 100 | |
| 101 | #define WMI_HP_HOTKEY_BRIGHTNESS_UP 0x02 |
| 102 | #define WMI_HP_HOTKEY_BRIGHTNESS_DOWN 0x03 |
| 103 | #define WMI_HP_HOTKEY_PROG1 0x20e6 |
| 104 | #define WMI_HP_HOTKEY_MEDIA1 0x20e8 |
| 105 | #define WMI_HP_HOTKEY_MEDIA2 0x2142 |
| 106 | #define WMI_HP_HOTKEY_INFO 0x213b |
| 107 | #define WMI_HP_HOTKEY_DIRECTION 0x2169 |
| 108 | #define WMI_HP_HOTKEY_HELP 0x231b |
| 109 | /* WMI_HP_HOTKEY_UNKNOWN 0xXX */ |
| 110 | |
| 111 | #define WMI_HP_SWITCH_WLAN 0x01 |
| 112 | #define WMI_HP_SWITCH_BT 0x02 |
| 113 | #define WMI_HP_SWITCH_WWAN 0x04 |
| 114 | |
| 115 | #define WMI_HP_SWITCH_ARG_WLAN_OFF 0x100 |
| 116 | #define WMI_HP_SWITCH_ARG_WLAN_ON 0x101 |
| 117 | #define WMI_HP_SWITCH_ARG_BT_OFF 0x200 |
| 118 | #define WMI_HP_SWITCH_ARG_BT_ON 0x202 |
| 119 | #define WMI_HP_SWITCH_ARG_WWAN_OFF 0x400 |
| 120 | #define WMI_HP_SWITCH_ARG_WWAN_ON 0x404 |
| 121 | |
| 122 | #define WMI_HP_SWITCH_MASK_WLAN_ONAIR __BIT(8) |
| 123 | #define WMI_HP_SWITCH_MASK_WLAN_ENABLED __BIT(9) |
| 124 | #define WMI_HP_SWITCH_MASK_WLAN_RADIO __BIT(11) |
| 125 | #define WMI_HP_SWITCH_MASK_BT_ONAIR __BIT(16) |
| 126 | #define WMI_HP_SWITCH_MASK_BT_ENABLED __BIT(17) |
| 127 | #define WMI_HP_SWITCH_MASK_BT_RADIO __BIT(19) |
| 128 | #define WMI_HP_SWITCH_MASK_WWAN_ONAIR __BIT(24) |
| 129 | #define WMI_HP_SWITCH_MASK_WWAN_ENABLED __BIT(25) |
| 130 | #define WMI_HP_SWITCH_MASK_WWAN_RADIO __BIT(27) |
| 131 | |
| 132 | #define WMI_HP_GUID_EVENT "95F24279-4D7B-4334-9387-ACCDC67EF61C" |
| 133 | #define WMI_HP_GUID_METHOD "5FB7F034-2C63-45E9-BE91-3D44E2C707E4" |
| 134 | #define WMI_HP_GUID_CMI "2D114B49-2DFB-4130-B8FE-4A3C09E75133" |
| 135 | |
| 136 | #define WMI_HP_SENSOR_WLAN 0 |
| 137 | #define WMI_HP_SENSOR_BT 1 |
| 138 | #define WMI_HP_SENSOR_WWAN 2 |
| 139 | #define WMI_HP_SENSOR_HDDTEMP 3 |
| 140 | #define WMI_HP_SENSOR_DISPLAY 4 |
| 141 | #define WMI_HP_SENSOR_DOCK 5 |
| 142 | #define WMI_HP_SENSOR_COUNT 6 |
| 143 | #define WMI_HP_SENSOR_SIZE WMI_HP_SENSOR_COUNT * sizeof(envsys_data_t) |
| 144 | |
| 145 | #define ACPI_HP_CMI_PATHS 0x01 |
| 146 | #define ACPI_HP_CMI_ENUMS 0x02 |
| 147 | #define ACPI_HP_CMI_FLAGS 0x04 |
| 148 | #define ACPI_HP_CMI_MAX_INSTANCE 0x08 |
| 149 | |
| 150 | struct wmi_hp_softc { |
| 151 | device_t sc_dev; |
| 152 | device_t sc_parent; |
| 153 | struct sysmon_envsys *sc_sme; |
| 154 | envsys_data_t *sc_sensor; |
| 155 | uint32_t *sc_arg; |
| 156 | uint32_t sc_val; |
| 157 | }; |
| 158 | |
| 159 | static int wmi_hp_match(device_t, cfdata_t, void *); |
| 160 | static void wmi_hp_attach(device_t, device_t, void *); |
| 161 | static int wmi_hp_detach(device_t, int); |
| 162 | static bool wmi_hp_suspend(device_t, const pmf_qual_t *); |
| 163 | static bool wmi_hp_resume(device_t, const pmf_qual_t *); |
| 164 | static void wmi_hp_notify_handler(ACPI_HANDLE, uint32_t, void *); |
| 165 | static void wmi_hp_hotkey(void *); |
| 166 | static bool wmi_hp_method(struct wmi_hp_softc *); |
| 167 | static bool wmi_hp_method_read(struct wmi_hp_softc *, uint8_t); |
| 168 | static bool wmi_hp_method_write(struct wmi_hp_softc *, uint8_t, uint32_t); |
| 169 | |
| 170 | static void wmi_hp_sensor_init(struct wmi_hp_softc *); |
| 171 | static void wmi_hp_sensor_switch_update(void *); |
| 172 | static void wmi_hp_sensor_refresh(struct sysmon_envsys *, envsys_data_t *); |
| 173 | |
| 174 | static void sysctl_wmi_hp_setup(struct wmi_hp_softc *); |
| 175 | static int sysctl_wmi_hp_set_als(SYSCTLFN_PROTO); |
| 176 | static struct sysctllog *wmihp_sysctllog = NULL; |
| 177 | static int wmihp_als = 0; |
| 178 | static struct wmi_hp_softc *wmi_hp_sc = NULL; /* XXX */ |
| 179 | |
| 180 | CFATTACH_DECL_NEW(wmihp, sizeof(struct wmi_hp_softc), |
| 181 | wmi_hp_match, wmi_hp_attach, wmi_hp_detach, NULL); |
| 182 | |
| 183 | static int |
| 184 | wmi_hp_match(device_t parent, cfdata_t match, void *aux) |
| 185 | { |
| 186 | return acpi_wmi_guid_match(parent, WMI_HP_GUID_METHOD); |
| 187 | } |
| 188 | |
| 189 | static void |
| 190 | wmi_hp_attach(device_t parent, device_t self, void *aux) |
| 191 | { |
| 192 | struct wmi_hp_softc *sc = device_private(self); |
| 193 | ACPI_STATUS rv = AE_ERROR; |
| 194 | |
| 195 | sc->sc_dev = self; |
| 196 | sc->sc_parent = parent; |
| 197 | |
| 198 | sc->sc_sme = NULL; |
| 199 | sc->sc_sensor = NULL; |
| 200 | |
| 201 | sc->sc_arg = kmem_alloc(WMI_HP_METHOD_ARG_SIZE, KM_SLEEP); |
| 202 | |
| 203 | if (sc->sc_arg == NULL) |
| 204 | return; |
| 205 | |
| 206 | aprint_naive("\n" ); |
| 207 | aprint_normal(": HP WMI mappings\n" ); |
| 208 | |
| 209 | (void)pmf_device_register(sc->sc_dev, wmi_hp_suspend, wmi_hp_resume); |
| 210 | |
| 211 | if (acpi_wmi_guid_match(parent, WMI_HP_GUID_EVENT) != 0) |
| 212 | rv = acpi_wmi_event_register(parent, wmi_hp_notify_handler); |
| 213 | |
| 214 | if (ACPI_FAILURE(rv)) |
| 215 | return; |
| 216 | |
| 217 | sc->sc_sensor = kmem_alloc(WMI_HP_SENSOR_SIZE, KM_SLEEP); |
| 218 | |
| 219 | if (sc->sc_sensor == NULL) |
| 220 | return; |
| 221 | |
| 222 | wmi_hp_sc = sc; /* XXX Can I pass sc as a cookie to sysctl? */ |
| 223 | wmi_hp_sensor_init(sc); |
| 224 | sysctl_wmi_hp_setup(sc); |
| 225 | } |
| 226 | |
| 227 | static int |
| 228 | wmi_hp_detach(device_t self, int flags) |
| 229 | { |
| 230 | struct wmi_hp_softc *sc = device_private(self); |
| 231 | device_t parent = sc->sc_parent; |
| 232 | |
| 233 | (void)acpi_wmi_event_deregister(parent); |
| 234 | |
| 235 | if (sc->sc_sme != NULL) |
| 236 | sysmon_envsys_unregister(sc->sc_sme); |
| 237 | |
| 238 | if (sc->sc_sensor != NULL) |
| 239 | kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE); |
| 240 | |
| 241 | if (sc->sc_arg != NULL) |
| 242 | kmem_free(sc->sc_arg, WMI_HP_METHOD_ARG_SIZE); |
| 243 | |
| 244 | pmf_device_deregister(self); |
| 245 | |
| 246 | if (wmihp_sysctllog != NULL) |
| 247 | sysctl_teardown(&wmihp_sysctllog); |
| 248 | wmihp_sysctllog = NULL; |
| 249 | wmi_hp_sc = NULL; |
| 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static bool |
| 255 | wmi_hp_suspend(device_t self, const pmf_qual_t *qual) |
| 256 | { |
| 257 | struct wmi_hp_softc *sc = device_private(self); |
| 258 | device_t parent = sc->sc_parent; |
| 259 | |
| 260 | if (sc->sc_sensor != NULL) |
| 261 | (void)acpi_wmi_event_deregister(parent); |
| 262 | |
| 263 | return true; |
| 264 | } |
| 265 | |
| 266 | static bool |
| 267 | wmi_hp_resume(device_t self, const pmf_qual_t *qual) |
| 268 | { |
| 269 | struct wmi_hp_softc *sc = device_private(self); |
| 270 | device_t parent = sc->sc_parent; |
| 271 | |
| 272 | if (sc->sc_sensor != NULL) |
| 273 | (void)acpi_wmi_event_register(parent, wmi_hp_notify_handler); |
| 274 | |
| 275 | return true; |
| 276 | } |
| 277 | |
| 278 | static void |
| 279 | wmi_hp_notify_handler(ACPI_HANDLE hdl, uint32_t evt, void *aux) |
| 280 | { |
| 281 | static const int handler = OSL_NOTIFY_HANDLER; |
| 282 | struct wmi_hp_softc *sc; |
| 283 | device_t self = aux; |
| 284 | ACPI_OBJECT *obj; |
| 285 | ACPI_BUFFER buf; |
| 286 | ACPI_STATUS rv; |
| 287 | uint32_t val; |
| 288 | |
| 289 | buf.Pointer = NULL; |
| 290 | |
| 291 | sc = device_private(self); |
| 292 | rv = acpi_wmi_event_get(sc->sc_parent, evt, &buf); |
| 293 | |
| 294 | if (ACPI_FAILURE(rv)) |
| 295 | goto out; |
| 296 | |
| 297 | obj = buf.Pointer; |
| 298 | |
| 299 | if (obj->Type != ACPI_TYPE_BUFFER) { |
| 300 | rv = AE_TYPE; |
| 301 | goto out; |
| 302 | } |
| 303 | |
| 304 | if (obj->Buffer.Length != 8) { |
| 305 | rv = AE_LIMIT; |
| 306 | goto out; |
| 307 | } |
| 308 | |
| 309 | val = *((uint8_t *)obj->Buffer.Pointer); |
| 310 | |
| 311 | if (val == 0x00) { |
| 312 | rv = AE_BAD_DATA; |
| 313 | goto out; |
| 314 | } |
| 315 | |
| 316 | switch (val) { |
| 317 | |
| 318 | case WMI_HP_EVENT_SWITCH: |
| 319 | rv = AcpiOsExecute(handler, wmi_hp_sensor_switch_update, self); |
| 320 | break; |
| 321 | |
| 322 | case WMI_HP_EVENT_HOTKEY: |
| 323 | rv = AcpiOsExecute(handler, wmi_hp_hotkey, self); |
| 324 | break; |
| 325 | |
| 326 | case WMI_HP_EVENT_DOCK: /* FALLTHROUGH */ |
| 327 | |
| 328 | default: |
| 329 | aprint_debug_dev(sc->sc_dev, "unknown event 0x%02X\n" , evt); |
| 330 | break; |
| 331 | } |
| 332 | |
| 333 | out: |
| 334 | if (buf.Pointer != NULL) |
| 335 | ACPI_FREE(buf.Pointer); |
| 336 | |
| 337 | if (ACPI_FAILURE(rv)) |
| 338 | aprint_error_dev(sc->sc_dev, "failed to get data for " |
| 339 | "event 0x%02X: %s\n" , evt, AcpiFormatException(rv)); |
| 340 | } |
| 341 | |
| 342 | static void |
| 343 | wmi_hp_hotkey(void *aux) |
| 344 | { |
| 345 | struct wmi_hp_softc *sc; |
| 346 | device_t self = aux; |
| 347 | |
| 348 | sc = device_private(self); |
| 349 | |
| 350 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_HOTKEY) != true) |
| 351 | return; |
| 352 | |
| 353 | switch (sc->sc_val) { |
| 354 | |
| 355 | case WMI_HP_HOTKEY_BRIGHTNESS_UP: |
| 356 | pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_UP); |
| 357 | break; |
| 358 | |
| 359 | case WMI_HP_HOTKEY_BRIGHTNESS_DOWN: |
| 360 | pmf_event_inject(NULL, PMFE_DISPLAY_BRIGHTNESS_DOWN); |
| 361 | break; |
| 362 | |
| 363 | case WMI_HP_HOTKEY_PROG1: |
| 364 | aprint_debug_dev(self, "PROG1 hotkey pressed\n" ); |
| 365 | break; |
| 366 | case WMI_HP_HOTKEY_MEDIA1: |
| 367 | aprint_debug_dev(self, "MEDIA1 hotkey pressed\n" ); |
| 368 | break; |
| 369 | case WMI_HP_HOTKEY_MEDIA2: |
| 370 | aprint_debug_dev(self, "MEDIA2 hotkey pressed\n" ); |
| 371 | break; |
| 372 | case WMI_HP_HOTKEY_INFO: |
| 373 | aprint_debug_dev(self, "INFO hotkey pressed\n" ); |
| 374 | break; |
| 375 | case WMI_HP_HOTKEY_DIRECTION: |
| 376 | aprint_debug_dev(self, "DIRECTION hotkey pressed\n" ); |
| 377 | break; |
| 378 | case WMI_HP_HOTKEY_HELP: |
| 379 | aprint_debug_dev(self, "HELP hotkey pressed\n" ); |
| 380 | break; |
| 381 | default: |
| 382 | aprint_debug_dev(self, "unknown hotkey 0x%02x\n" , sc->sc_val); |
| 383 | break; |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | static bool |
| 388 | wmi_hp_method(struct wmi_hp_softc *sc) |
| 389 | { |
| 390 | ACPI_BUFFER ibuf, obuf; |
| 391 | ACPI_STATUS rv = AE_OK; |
| 392 | ACPI_OBJECT *obj; |
| 393 | uint32_t cmd, *val; |
| 394 | |
| 395 | cmd = sc->sc_arg[2]; |
| 396 | |
| 397 | KDASSERT(cmd != 0); |
| 398 | KDASSERT(sc->sc_arg[0] == WMI_HP_METHOD_ARG_MAGIC); |
| 399 | |
| 400 | obuf.Pointer = NULL; |
| 401 | ibuf.Pointer = sc->sc_arg; |
| 402 | ibuf.Length = WMI_HP_METHOD_ARG_SIZE; |
| 403 | |
| 404 | rv = acpi_wmi_method(sc->sc_parent, |
| 405 | WMI_HP_GUID_METHOD, 0, 3, &ibuf, &obuf); |
| 406 | |
| 407 | if (ACPI_FAILURE(rv)) |
| 408 | goto out; |
| 409 | |
| 410 | obj = obuf.Pointer; |
| 411 | |
| 412 | if (obj->Type != ACPI_TYPE_BUFFER) { |
| 413 | rv = AE_TYPE; |
| 414 | goto out; |
| 415 | } |
| 416 | |
| 417 | /* |
| 418 | * val[0] unknown |
| 419 | * val[1] error code |
| 420 | * val[2] return value |
| 421 | */ |
| 422 | val = (uint32_t *)obj->Buffer.Pointer; |
| 423 | |
| 424 | sc->sc_val = val[2]; |
| 425 | |
| 426 | switch (val[1]) { |
| 427 | case 0: /* Ok. */ |
| 428 | break; |
| 429 | case 2: /* wrong signature */ |
| 430 | rv = AE_ERROR; |
| 431 | aprint_debug_dev(sc->sc_dev, "wrong signature " |
| 432 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 433 | break; |
| 434 | case 3: /* unknown command */ |
| 435 | rv = AE_ERROR; |
| 436 | aprint_debug_dev(sc->sc_dev, "unknown command " |
| 437 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 438 | break; |
| 439 | case 4: /* unknown command type */ |
| 440 | rv = AE_ERROR; |
| 441 | aprint_debug_dev(sc->sc_dev, "unknown command type " |
| 442 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 443 | break; |
| 444 | case 5: /* invalid parameters */ |
| 445 | rv = AE_ERROR; |
| 446 | aprint_debug_dev(sc->sc_dev, "invalid parameters " |
| 447 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 448 | break; |
| 449 | default: /* unknown error */ |
| 450 | rv = AE_ERROR; |
| 451 | aprint_debug_dev(sc->sc_dev, "unknown error " |
| 452 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 453 | break; |
| 454 | } |
| 455 | out: |
| 456 | if (obuf.Pointer != NULL) |
| 457 | ACPI_FREE(obuf.Pointer); |
| 458 | |
| 459 | if (ACPI_FAILURE(rv)) { |
| 460 | aprint_debug_dev(sc->sc_dev, "failed to evaluate method " |
| 461 | "(cmd = 0x%02X): %s\n" , cmd, AcpiFormatException(rv)); |
| 462 | return false; |
| 463 | } |
| 464 | |
| 465 | return true; |
| 466 | } |
| 467 | |
| 468 | static bool |
| 469 | wmi_hp_method_read(struct wmi_hp_softc *sc, uint8_t cmd) |
| 470 | { |
| 471 | |
| 472 | sc->sc_arg[0] = WMI_HP_METHOD_ARG_MAGIC; |
| 473 | sc->sc_arg[1] = WMI_HP_METHOD_ARG_READ; |
| 474 | sc->sc_arg[2] = cmd; |
| 475 | sc->sc_arg[3] = 0; |
| 476 | sc->sc_arg[4] = 0; |
| 477 | |
| 478 | return wmi_hp_method(sc); |
| 479 | } |
| 480 | |
| 481 | static bool |
| 482 | wmi_hp_method_write(struct wmi_hp_softc *sc, uint8_t cmd, uint32_t val) |
| 483 | { |
| 484 | |
| 485 | sc->sc_arg[0] = WMI_HP_METHOD_ARG_MAGIC; |
| 486 | sc->sc_arg[1] = WMI_HP_METHOD_ARG_WRITE; |
| 487 | sc->sc_arg[2] = cmd; |
| 488 | sc->sc_arg[3] = WMI_HP_METHOD_ARG_WRITE_SIZE; |
| 489 | sc->sc_arg[4] = val; |
| 490 | |
| 491 | return wmi_hp_method(sc); |
| 492 | } |
| 493 | |
| 494 | |
| 495 | static void |
| 496 | wmi_hp_switch_init(struct wmi_hp_softc *sc) |
| 497 | { |
| 498 | int i, sensor[3]; |
| 499 | |
| 500 | const char desc[][ENVSYS_DESCLEN] = { |
| 501 | "wireless" , "bluetooth" , "mobile" |
| 502 | }; |
| 503 | |
| 504 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_SWITCH) != true) |
| 505 | return; |
| 506 | |
| 507 | sensor[0] = WMI_HP_SWITCH_WLAN; |
| 508 | sensor[1] = WMI_HP_SWITCH_BT; |
| 509 | sensor[2] = WMI_HP_SWITCH_WWAN; |
| 510 | |
| 511 | CTASSERT(WMI_HP_SENSOR_WLAN == 0); |
| 512 | CTASSERT(WMI_HP_SENSOR_BT == 1); |
| 513 | CTASSERT(WMI_HP_SENSOR_WWAN == 2); |
| 514 | |
| 515 | for (i = 0; i < 3; i++) { |
| 516 | |
| 517 | if ((sc->sc_val & sensor[i]) == 0) |
| 518 | continue; |
| 519 | |
| 520 | (void)strlcpy(sc->sc_sensor[i].desc, desc[i], ENVSYS_DESCLEN); |
| 521 | |
| 522 | sc->sc_sensor[i].state = ENVSYS_SINVALID; |
| 523 | sc->sc_sensor[i].units = ENVSYS_INDICATOR; |
| 524 | |
| 525 | if (sysmon_envsys_sensor_attach(sc->sc_sme, |
| 526 | &sc->sc_sensor[i]) != 0) |
| 527 | break; |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | static void |
| 532 | wmi_hp_sensor_init(struct wmi_hp_softc *sc) |
| 533 | { |
| 534 | int sensor; |
| 535 | |
| 536 | KDASSERT(sc->sc_sme == NULL); |
| 537 | KDASSERT(sc->sc_sensor != NULL); |
| 538 | |
| 539 | (void)memset(sc->sc_sensor, 0, WMI_HP_SENSOR_SIZE); |
| 540 | |
| 541 | sc->sc_sme = sysmon_envsys_create(); |
| 542 | |
| 543 | wmi_hp_switch_init(sc); |
| 544 | |
| 545 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_HDDTEMP) == true) { |
| 546 | sensor = WMI_HP_SENSOR_HDDTEMP; |
| 547 | (void)strlcpy(sc->sc_sensor[sensor].desc, "hddtemp" , |
| 548 | ENVSYS_DESCLEN); |
| 549 | sc->sc_sensor[sensor].state = ENVSYS_SVALID; |
| 550 | sc->sc_sensor[sensor].units = ENVSYS_STEMP; |
| 551 | sc->sc_sensor[sensor].value_cur = |
| 552 | sc->sc_val * 1000000 + 273150000; |
| 553 | |
| 554 | sysmon_envsys_sensor_attach(sc->sc_sme, |
| 555 | &sc->sc_sensor[sensor]); |
| 556 | } |
| 557 | |
| 558 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_DISPLAY) == true) { |
| 559 | sensor = WMI_HP_SENSOR_DISPLAY; |
| 560 | (void)strlcpy(sc->sc_sensor[sensor].desc, "display" , |
| 561 | ENVSYS_DESCLEN); |
| 562 | sc->sc_sensor[sensor].state = ENVSYS_SVALID; |
| 563 | sc->sc_sensor[sensor].units = ENVSYS_INDICATOR; |
| 564 | sc->sc_sensor[sensor].value_cur = sc->sc_val; |
| 565 | |
| 566 | sysmon_envsys_sensor_attach(sc->sc_sme, |
| 567 | &sc->sc_sensor[sensor]); |
| 568 | } |
| 569 | |
| 570 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_DOCK) == true) { |
| 571 | sensor = WMI_HP_SENSOR_DOCK; |
| 572 | (void)strlcpy(sc->sc_sensor[sensor].desc, "docking station" , |
| 573 | ENVSYS_DESCLEN); |
| 574 | sc->sc_sensor[sensor].state = ENVSYS_SVALID; |
| 575 | sc->sc_sensor[sensor].units = ENVSYS_INDICATOR; |
| 576 | sc->sc_sensor[sensor].value_cur = sc->sc_val; |
| 577 | |
| 578 | sysmon_envsys_sensor_attach(sc->sc_sme, |
| 579 | &sc->sc_sensor[sensor]); |
| 580 | } |
| 581 | |
| 582 | sc->sc_sme->sme_cookie = sc; |
| 583 | sc->sc_sme->sme_refresh = wmi_hp_sensor_refresh; |
| 584 | sc->sc_sme->sme_name = device_xname(sc->sc_dev); |
| 585 | |
| 586 | if (sysmon_envsys_register(sc->sc_sme) != 0) |
| 587 | goto fail; |
| 588 | |
| 589 | wmi_hp_sensor_switch_update(sc->sc_dev); |
| 590 | |
| 591 | return; |
| 592 | |
| 593 | fail: |
| 594 | aprint_debug_dev(sc->sc_dev, "failed to initialize sysmon\n" ); |
| 595 | |
| 596 | sysmon_envsys_destroy(sc->sc_sme); |
| 597 | kmem_free(sc->sc_sensor, WMI_HP_SENSOR_SIZE); |
| 598 | |
| 599 | sc->sc_sme = NULL; |
| 600 | sc->sc_sensor = NULL; |
| 601 | } |
| 602 | |
| 603 | static void |
| 604 | wmi_hp_sensor_switch_update(void *aux) |
| 605 | { |
| 606 | struct wmi_hp_softc *sc; |
| 607 | device_t self = aux; |
| 608 | |
| 609 | sc = device_private(self); |
| 610 | |
| 611 | if (sc->sc_sme == NULL || sc->sc_sensor == NULL) |
| 612 | return; |
| 613 | |
| 614 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_SWITCH) != true) { |
| 615 | sc->sc_sensor[WMI_HP_SENSOR_WLAN].state = ENVSYS_SINVALID; |
| 616 | sc->sc_sensor[WMI_HP_SENSOR_WWAN].state = ENVSYS_SINVALID; |
| 617 | sc->sc_sensor[WMI_HP_SENSOR_BT].state = ENVSYS_SINVALID; |
| 618 | return; |
| 619 | } |
| 620 | |
| 621 | if ((sc->sc_val & WMI_HP_SWITCH_WLAN) != 0) { |
| 622 | sc->sc_sensor[WMI_HP_SENSOR_WLAN].value_cur = 0; |
| 623 | |
| 624 | if ((sc->sc_val & WMI_HP_SWITCH_MASK_WLAN_ONAIR) != 0) |
| 625 | sc->sc_sensor[WMI_HP_SENSOR_WLAN].value_cur = 1; |
| 626 | |
| 627 | sc->sc_sensor[WMI_HP_SENSOR_WLAN].state = ENVSYS_SVALID; |
| 628 | } |
| 629 | |
| 630 | if ((sc->sc_val & WMI_HP_SWITCH_BT) != 0) { |
| 631 | sc->sc_sensor[WMI_HP_SENSOR_BT].value_cur = 0; |
| 632 | |
| 633 | if ((sc->sc_val & WMI_HP_SWITCH_MASK_BT_ONAIR) != 0) |
| 634 | sc->sc_sensor[WMI_HP_SENSOR_BT].value_cur = 1; |
| 635 | |
| 636 | sc->sc_sensor[WMI_HP_SENSOR_BT].state = ENVSYS_SVALID; |
| 637 | } |
| 638 | |
| 639 | if ((sc->sc_val & WMI_HP_SWITCH_WWAN) != 0) { |
| 640 | sc->sc_sensor[WMI_HP_SENSOR_WWAN].value_cur = 0; |
| 641 | |
| 642 | if ((sc->sc_val & WMI_HP_SWITCH_MASK_WWAN_ONAIR) != 0) |
| 643 | sc->sc_sensor[WMI_HP_SENSOR_WWAN].value_cur = 1; |
| 644 | |
| 645 | sc->sc_sensor[WMI_HP_SENSOR_WWAN].state = ENVSYS_SVALID; |
| 646 | } |
| 647 | } |
| 648 | |
| 649 | static void |
| 650 | wmi_hp_sensor_read(struct wmi_hp_softc *sc, envsys_data_t *sensor, int cmd) |
| 651 | { |
| 652 | if (wmi_hp_method_read(sc, cmd) == true) { |
| 653 | sensor->state = ENVSYS_SVALID; |
| 654 | sensor->value_cur = sc->sc_val; |
| 655 | } else { |
| 656 | sensor->state = ENVSYS_SINVALID; |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | static void |
| 661 | wmi_hp_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) |
| 662 | { |
| 663 | struct wmi_hp_softc *sc = sme->sme_cookie; |
| 664 | envsys_data_t *sensor; |
| 665 | |
| 666 | sensor = &sc->sc_sensor[WMI_HP_SENSOR_HDDTEMP]; |
| 667 | wmi_hp_sensor_read(sc, sensor, WMI_HP_METHOD_CMD_HDDTEMP); |
| 668 | if (sensor->state == ENVSYS_SVALID) { |
| 669 | sensor->value_cur = sensor->value_cur * 1000000 + |
| 670 | 273150000; |
| 671 | } |
| 672 | |
| 673 | wmi_hp_sensor_read(sc, &sc->sc_sensor[WMI_HP_SENSOR_DISPLAY], |
| 674 | WMI_HP_METHOD_CMD_DISPLAY); |
| 675 | |
| 676 | wmi_hp_sensor_read(sc, &sc->sc_sensor[WMI_HP_SENSOR_DOCK], |
| 677 | WMI_HP_METHOD_CMD_DOCK); |
| 678 | } |
| 679 | |
| 680 | MODULE(MODULE_CLASS_DRIVER, wmihp, "acpiwmi,sysmon_envsys" ); |
| 681 | |
| 682 | #ifdef _MODULE |
| 683 | #include "ioconf.c" |
| 684 | #endif |
| 685 | |
| 686 | static int |
| 687 | wmihp_modcmd(modcmd_t cmd, void *aux) |
| 688 | { |
| 689 | int rv = 0; |
| 690 | |
| 691 | switch (cmd) { |
| 692 | |
| 693 | case MODULE_CMD_INIT: |
| 694 | |
| 695 | #ifdef _MODULE |
| 696 | rv = config_init_component(cfdriver_ioconf_wmihp, |
| 697 | cfattach_ioconf_wmihp, cfdata_ioconf_wmihp); |
| 698 | #endif |
| 699 | break; |
| 700 | |
| 701 | case MODULE_CMD_FINI: |
| 702 | |
| 703 | #ifdef _MODULE |
| 704 | rv = config_fini_component(cfdriver_ioconf_wmihp, |
| 705 | cfattach_ioconf_wmihp, cfdata_ioconf_wmihp); |
| 706 | #endif |
| 707 | break; |
| 708 | |
| 709 | default: |
| 710 | rv = ENOTTY; |
| 711 | } |
| 712 | |
| 713 | return rv; |
| 714 | } |
| 715 | |
| 716 | static int |
| 717 | sysctl_wmi_hp_set_als(SYSCTLFN_ARGS) |
| 718 | { |
| 719 | struct sysctlnode node; |
| 720 | int err; |
| 721 | int als = wmihp_als; |
| 722 | struct wmi_hp_softc *sc = wmi_hp_sc; |
| 723 | |
| 724 | node = *rnode; |
| 725 | node.sysctl_data = &als; |
| 726 | |
| 727 | err = sysctl_lookup(SYSCTLFN_CALL(&node)); |
| 728 | |
| 729 | if (err != 0 || newp == NULL) |
| 730 | return err;; |
| 731 | |
| 732 | if (als < 0 || als > 1) |
| 733 | return EINVAL; |
| 734 | |
| 735 | if (wmi_hp_method_write(sc, WMI_HP_METHOD_CMD_ALS, als) == true) { |
| 736 | wmihp_als = als; |
| 737 | return 0; |
| 738 | } |
| 739 | |
| 740 | return EIO; |
| 741 | } |
| 742 | |
| 743 | static void |
| 744 | sysctl_wmi_hp_setup(struct wmi_hp_softc *sc) |
| 745 | { |
| 746 | const struct sysctlnode *rnode; |
| 747 | int err; |
| 748 | |
| 749 | err = sysctl_createv(&wmihp_sysctllog, 0, NULL, &rnode, |
| 750 | CTLFLAG_PERMANENT, CTLTYPE_NODE, "acpi" , NULL, |
| 751 | NULL, 0, NULL, 0, CTL_HW, CTL_CREATE, CTL_EOL); |
| 752 | |
| 753 | if (err != 0) |
| 754 | return; |
| 755 | |
| 756 | err = sysctl_createv(&wmihp_sysctllog, 0, &rnode, &rnode, |
| 757 | 0, CTLTYPE_NODE, "wmi" , SYSCTL_DESCR("ACPI HP WMI" ), |
| 758 | NULL, 0, NULL, 0, CTL_CREATE, CTL_EOL); |
| 759 | |
| 760 | if (err != 0) |
| 761 | return; |
| 762 | |
| 763 | if (wmi_hp_method_read(sc, WMI_HP_METHOD_CMD_ALS) == true) { |
| 764 | (void)sysctl_createv(NULL, 0, &rnode, NULL, |
| 765 | CTLFLAG_READWRITE, CTLTYPE_BOOL, "als" , |
| 766 | SYSCTL_DESCR("Ambient Light Sensor" ), |
| 767 | sysctl_wmi_hp_set_als, 0, NULL, 0, CTL_CREATE, CTL_EOL); |
| 768 | } |
| 769 | } |
| 770 | |