| 1 | /* $NetBSD: aibs_acpi.c,v 1.5 2015/04/23 23:23:00 pgoyette Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2011 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 | * 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 | |
| 32 | /* $OpenBSD: atk0110.c,v 1.1 2009/07/23 01:38:16 cnst Exp $ */ |
| 33 | /* |
| 34 | * Copyright (c) 2009 Constantine A. Murenin <cnst+netbsd@bugmail.mojo.ru> |
| 35 | * |
| 36 | * Permission to use, copy, modify, and distribute this software for any |
| 37 | * purpose with or without fee is hereby granted, provided that the above |
| 38 | * copyright notice and this permission notice appear in all copies. |
| 39 | * |
| 40 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 41 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 42 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 43 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 44 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 45 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 46 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 47 | */ |
| 48 | |
| 49 | #include <sys/cdefs.h> |
| 50 | __KERNEL_RCSID(0, "$NetBSD: aibs_acpi.c,v 1.5 2015/04/23 23:23:00 pgoyette Exp $" ); |
| 51 | |
| 52 | #include <sys/param.h> |
| 53 | #include <sys/kmem.h> |
| 54 | #include <sys/module.h> |
| 55 | |
| 56 | #include <dev/acpi/acpireg.h> |
| 57 | #include <dev/acpi/acpivar.h> |
| 58 | |
| 59 | /* |
| 60 | * ASUSTeK AI Booster (ACPI ASOC ATK0110). |
| 61 | * |
| 62 | * This code was originally written for OpenBSD after the techniques |
| 63 | * described in the Linux's asus_atk0110.c and FreeBSD's acpi_aiboost.c |
| 64 | * were verified to be accurate on the actual hardware kindly provided by |
| 65 | * Sam Fourman Jr. It was subsequently ported from OpenBSD to DragonFly BSD, |
| 66 | * and then to the NetBSD's sysmon_envsys(9) framework. |
| 67 | * |
| 68 | * -- Constantine A. Murenin <http://cnst.su/> |
| 69 | */ |
| 70 | |
| 71 | #define _COMPONENT ACPI_RESOURCE_COMPONENT |
| 72 | ACPI_MODULE_NAME ("acpi_aibs" ) |
| 73 | |
| 74 | #define AIBS_MUX_HWMON 0x00000006 |
| 75 | #define AIBS_MUX_MGMT 0x00000011 |
| 76 | |
| 77 | #define AIBS_TYPE(x) (((x) >> 16) & 0xff) |
| 78 | #define AIBS_TYPE_VOLT 2 |
| 79 | #define AIBS_TYPE_TEMP 3 |
| 80 | #define AIBS_TYPE_FAN 4 |
| 81 | |
| 82 | struct aibs_sensor { |
| 83 | envsys_data_t as_sensor; |
| 84 | uint64_t as_type; |
| 85 | uint64_t as_liml; |
| 86 | uint64_t as_limh; |
| 87 | |
| 88 | SIMPLEQ_ENTRY(aibs_sensor) as_list; |
| 89 | }; |
| 90 | |
| 91 | struct aibs_softc { |
| 92 | device_t sc_dev; |
| 93 | struct acpi_devnode *sc_node; |
| 94 | struct sysmon_envsys *sc_sme; |
| 95 | bool sc_model; /* new model = true */ |
| 96 | |
| 97 | SIMPLEQ_HEAD(, aibs_sensor) as_head; |
| 98 | }; |
| 99 | |
| 100 | static int aibs_match(device_t, cfdata_t, void *); |
| 101 | static void aibs_attach(device_t, device_t, void *); |
| 102 | static int aibs_detach(device_t, int); |
| 103 | |
| 104 | static void aibs_init(device_t); |
| 105 | static void aibs_init_new(device_t); |
| 106 | static void aibs_init_old(device_t, int); |
| 107 | |
| 108 | static void aibs_sensor_add(device_t, ACPI_OBJECT *); |
| 109 | static bool aibs_sensor_value(device_t, struct aibs_sensor *, uint64_t *); |
| 110 | static void aibs_sensor_refresh(struct sysmon_envsys *, envsys_data_t *); |
| 111 | static void aibs_sensor_limits(struct sysmon_envsys *, envsys_data_t *, |
| 112 | sysmon_envsys_lim_t *, uint32_t *); |
| 113 | |
| 114 | CFATTACH_DECL_NEW(aibs, sizeof(struct aibs_softc), |
| 115 | aibs_match, aibs_attach, aibs_detach, NULL); |
| 116 | |
| 117 | static const char* const aibs_hid[] = { |
| 118 | "ATK0110" , |
| 119 | NULL |
| 120 | }; |
| 121 | |
| 122 | static int |
| 123 | aibs_match(device_t parent, cfdata_t match, void *aux) |
| 124 | { |
| 125 | struct acpi_attach_args *aa = aux; |
| 126 | |
| 127 | if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) |
| 128 | return 0; |
| 129 | |
| 130 | return acpi_match_hid(aa->aa_node->ad_devinfo, aibs_hid); |
| 131 | } |
| 132 | |
| 133 | static void |
| 134 | aibs_attach(device_t parent, device_t self, void *aux) |
| 135 | { |
| 136 | struct aibs_softc *sc = device_private(self); |
| 137 | struct acpi_attach_args *aa = aux; |
| 138 | |
| 139 | sc->sc_dev = self; |
| 140 | sc->sc_node = aa->aa_node; |
| 141 | |
| 142 | aprint_naive("\n" ); |
| 143 | aprint_normal(": ASUSTeK AI Booster\n" ); |
| 144 | |
| 145 | sc->sc_sme = sysmon_envsys_create(); |
| 146 | |
| 147 | sc->sc_sme->sme_cookie = sc; |
| 148 | sc->sc_sme->sme_name = device_xname(self); |
| 149 | sc->sc_sme->sme_refresh = aibs_sensor_refresh; |
| 150 | sc->sc_sme->sme_get_limits = aibs_sensor_limits; |
| 151 | |
| 152 | aibs_init(self); |
| 153 | SIMPLEQ_INIT(&sc->as_head); |
| 154 | |
| 155 | if (sc->sc_model != false) |
| 156 | aibs_init_new(self); |
| 157 | else { |
| 158 | aibs_init_old(self, AIBS_TYPE_FAN); |
| 159 | aibs_init_old(self, AIBS_TYPE_TEMP); |
| 160 | aibs_init_old(self, AIBS_TYPE_VOLT); |
| 161 | } |
| 162 | |
| 163 | (void)pmf_device_register(self, NULL, NULL); |
| 164 | |
| 165 | if (sc->sc_sme->sme_nsensors == 0) { |
| 166 | aprint_error_dev(self, "no sensors found\n" ); |
| 167 | sysmon_envsys_destroy(sc->sc_sme); |
| 168 | sc->sc_sme = NULL; |
| 169 | return; |
| 170 | } |
| 171 | |
| 172 | if (sysmon_envsys_register(sc->sc_sme) != 0) |
| 173 | aprint_error_dev(self, "failed to register with sysmon\n" ); |
| 174 | } |
| 175 | |
| 176 | static int |
| 177 | aibs_detach(device_t self, int flags) |
| 178 | { |
| 179 | struct aibs_softc *sc = device_private(self); |
| 180 | struct aibs_sensor *as; |
| 181 | |
| 182 | pmf_device_deregister(self); |
| 183 | |
| 184 | if (sc->sc_sme != NULL) |
| 185 | sysmon_envsys_unregister(sc->sc_sme); |
| 186 | |
| 187 | while (SIMPLEQ_FIRST(&sc->as_head) != NULL) { |
| 188 | as = SIMPLEQ_FIRST(&sc->as_head); |
| 189 | SIMPLEQ_REMOVE_HEAD(&sc->as_head, as_list); |
| 190 | kmem_free(as, sizeof(*as)); |
| 191 | } |
| 192 | |
| 193 | return 0; |
| 194 | } |
| 195 | |
| 196 | static void |
| 197 | aibs_init(device_t self) |
| 198 | { |
| 199 | struct aibs_softc *sc = device_private(self); |
| 200 | ACPI_HANDLE tmp; |
| 201 | ACPI_STATUS rv; |
| 202 | |
| 203 | /* |
| 204 | * Old model uses the tuple { TSIF, VSIF, FSIF } to |
| 205 | * enumerate the sensors and { RTMP, RVLT, RFAN } |
| 206 | * to obtain the values. New mode uses GGRP for the |
| 207 | * enumeration and { GITM, SITM } as accessors. |
| 208 | */ |
| 209 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "GGRP" , &tmp); |
| 210 | |
| 211 | if (ACPI_FAILURE(rv)) { |
| 212 | sc->sc_model = false; |
| 213 | return; |
| 214 | } |
| 215 | |
| 216 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "GITM" , &tmp); |
| 217 | |
| 218 | if (ACPI_FAILURE(rv)) { |
| 219 | sc->sc_model = false; |
| 220 | return; |
| 221 | } |
| 222 | |
| 223 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "SITM" , &tmp); |
| 224 | |
| 225 | if (ACPI_FAILURE(rv)) { |
| 226 | sc->sc_model = false; |
| 227 | return; |
| 228 | } |
| 229 | |
| 230 | sc->sc_model = true; |
| 231 | |
| 232 | /* |
| 233 | * If both the new and the old methods are present, prefer |
| 234 | * the old one; GGRP/GITM may not be functional in this case. |
| 235 | */ |
| 236 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "FSIF" , &tmp); |
| 237 | |
| 238 | if (ACPI_FAILURE(rv)) |
| 239 | return; |
| 240 | |
| 241 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "TSIF" , &tmp); |
| 242 | |
| 243 | if (ACPI_FAILURE(rv)) |
| 244 | return; |
| 245 | |
| 246 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "VSIF" , &tmp); |
| 247 | |
| 248 | if (ACPI_FAILURE(rv)) |
| 249 | return; |
| 250 | |
| 251 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RFAN" , &tmp); |
| 252 | |
| 253 | if (ACPI_FAILURE(rv)) |
| 254 | return; |
| 255 | |
| 256 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RTMP" , &tmp); |
| 257 | |
| 258 | if (ACPI_FAILURE(rv)) |
| 259 | return; |
| 260 | |
| 261 | rv = AcpiGetHandle(sc->sc_node->ad_handle, "RVLT" , &tmp); |
| 262 | |
| 263 | if (ACPI_FAILURE(rv)) |
| 264 | return; |
| 265 | |
| 266 | sc->sc_model = false; |
| 267 | } |
| 268 | |
| 269 | static void |
| 270 | aibs_init_new(device_t self) |
| 271 | { |
| 272 | struct aibs_softc *sc = device_private(self); |
| 273 | ACPI_OBJECT_LIST arg; |
| 274 | ACPI_OBJECT id, *obj; |
| 275 | ACPI_BUFFER buf; |
| 276 | ACPI_STATUS rv; |
| 277 | uint32_t i, n; |
| 278 | |
| 279 | arg.Count = 1; |
| 280 | arg.Pointer = &id; |
| 281 | |
| 282 | id.Type = ACPI_TYPE_INTEGER; |
| 283 | id.Integer.Value = AIBS_MUX_HWMON; |
| 284 | |
| 285 | buf.Pointer = NULL; |
| 286 | buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| 287 | |
| 288 | rv = AcpiEvaluateObject(sc->sc_node->ad_handle, "GGRP" , &arg, &buf); |
| 289 | |
| 290 | if (ACPI_FAILURE(rv)) |
| 291 | goto out; |
| 292 | |
| 293 | obj = buf.Pointer; |
| 294 | |
| 295 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
| 296 | rv = AE_TYPE; |
| 297 | goto out; |
| 298 | } |
| 299 | |
| 300 | if (obj->Package.Count > UINT32_MAX) { |
| 301 | rv = AE_AML_NUMERIC_OVERFLOW; |
| 302 | goto out; |
| 303 | } |
| 304 | |
| 305 | n = obj->Package.Count; |
| 306 | |
| 307 | if (n == 0) { |
| 308 | rv = AE_NOT_EXIST; |
| 309 | goto out; |
| 310 | } |
| 311 | |
| 312 | for (i = 0; i < n; i++) |
| 313 | aibs_sensor_add(self, &obj->Package.Elements[i]); |
| 314 | |
| 315 | out: |
| 316 | if (buf.Pointer != NULL) |
| 317 | ACPI_FREE(buf.Pointer); |
| 318 | |
| 319 | if (ACPI_FAILURE(rv)) { |
| 320 | |
| 321 | aprint_error_dev(self, "failed to evaluate " |
| 322 | "GGRP: %s\n" , AcpiFormatException(rv)); |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | static void |
| 327 | aibs_init_old(device_t self, int type) |
| 328 | { |
| 329 | struct aibs_softc *sc = device_private(self); |
| 330 | char path[] = "?SIF" ; |
| 331 | ACPI_OBJECT *elm, *obj; |
| 332 | ACPI_BUFFER buf; |
| 333 | ACPI_STATUS rv; |
| 334 | uint32_t i, n; |
| 335 | |
| 336 | switch (type) { |
| 337 | |
| 338 | case AIBS_TYPE_FAN: |
| 339 | path[0] = 'F'; |
| 340 | break; |
| 341 | |
| 342 | case AIBS_TYPE_TEMP: |
| 343 | path[0] = 'T'; |
| 344 | break; |
| 345 | |
| 346 | case AIBS_TYPE_VOLT: |
| 347 | path[0] = 'V'; |
| 348 | break; |
| 349 | |
| 350 | default: |
| 351 | return; |
| 352 | } |
| 353 | |
| 354 | rv = acpi_eval_struct(sc->sc_node->ad_handle, path, &buf); |
| 355 | |
| 356 | if (ACPI_FAILURE(rv)) |
| 357 | goto out; |
| 358 | |
| 359 | obj = buf.Pointer; |
| 360 | |
| 361 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
| 362 | rv = AE_TYPE; |
| 363 | goto out; |
| 364 | } |
| 365 | |
| 366 | elm = obj->Package.Elements; |
| 367 | |
| 368 | if (elm[0].Type != ACPI_TYPE_INTEGER) { |
| 369 | rv = AE_TYPE; |
| 370 | goto out; |
| 371 | } |
| 372 | |
| 373 | if (elm[0].Integer.Value > UINT32_MAX) { |
| 374 | rv = AE_AML_NUMERIC_OVERFLOW; |
| 375 | goto out; |
| 376 | } |
| 377 | |
| 378 | n = elm[0].Integer.Value; |
| 379 | |
| 380 | if (n == 0) { |
| 381 | rv = AE_NOT_EXIST; |
| 382 | goto out; |
| 383 | } |
| 384 | |
| 385 | if (obj->Package.Count - 1 != n) { |
| 386 | rv = AE_BAD_VALUE; |
| 387 | goto out; |
| 388 | } |
| 389 | |
| 390 | for (i = 1; i < obj->Package.Count; i++) { |
| 391 | |
| 392 | if (elm[i].Type != ACPI_TYPE_PACKAGE) |
| 393 | continue; |
| 394 | |
| 395 | aibs_sensor_add(self, &elm[i]); |
| 396 | } |
| 397 | |
| 398 | out: |
| 399 | if (buf.Pointer != NULL) |
| 400 | ACPI_FREE(buf.Pointer); |
| 401 | |
| 402 | if (ACPI_FAILURE(rv)) { |
| 403 | |
| 404 | aprint_error_dev(self, "failed to evaluate " |
| 405 | "%s: %s\n" , path, AcpiFormatException(rv)); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | static void |
| 410 | aibs_sensor_add(device_t self, ACPI_OBJECT *obj) |
| 411 | { |
| 412 | struct aibs_softc *sc = device_private(self); |
| 413 | struct aibs_sensor *as; |
| 414 | int ena, len, lhi, llo; |
| 415 | const char *name; |
| 416 | ACPI_STATUS rv; |
| 417 | |
| 418 | as = NULL; |
| 419 | rv = AE_OK; |
| 420 | |
| 421 | if (obj->Type != ACPI_TYPE_PACKAGE) { |
| 422 | rv = AE_TYPE; |
| 423 | goto out; |
| 424 | } |
| 425 | |
| 426 | /* |
| 427 | * The known formats are: |
| 428 | * |
| 429 | * index type old new |
| 430 | * ----- ---- --- --- |
| 431 | * 0 integer flags flags |
| 432 | * 1 string name name |
| 433 | * 2 integer limit1 unknown |
| 434 | * 3 integer limit2 unknown |
| 435 | * 4 integer enable limit1 |
| 436 | * 5 integer - limit2 |
| 437 | * 6 integer - enable |
| 438 | */ |
| 439 | if (sc->sc_model != false) { |
| 440 | len = 7; |
| 441 | llo = 4; |
| 442 | lhi = 5; |
| 443 | ena = 6; |
| 444 | } else { |
| 445 | len = 5; |
| 446 | llo = 2; |
| 447 | lhi = 3; |
| 448 | ena = 4; |
| 449 | } |
| 450 | |
| 451 | if (obj->Package.Count != (uint32_t)len) { |
| 452 | rv = AE_LIMIT; |
| 453 | goto out; |
| 454 | } |
| 455 | |
| 456 | if (obj->Package.Elements[0].Type != ACPI_TYPE_INTEGER || |
| 457 | obj->Package.Elements[1].Type != ACPI_TYPE_STRING || |
| 458 | obj->Package.Elements[llo].Type != ACPI_TYPE_INTEGER || |
| 459 | obj->Package.Elements[lhi].Type != ACPI_TYPE_INTEGER || |
| 460 | obj->Package.Elements[ena].Type != ACPI_TYPE_INTEGER) { |
| 461 | rv = AE_TYPE; |
| 462 | goto out; |
| 463 | } |
| 464 | |
| 465 | as = kmem_zalloc(sizeof(*as), KM_SLEEP); |
| 466 | |
| 467 | if (as == NULL) { |
| 468 | rv = AE_NO_MEMORY; |
| 469 | goto out; |
| 470 | } |
| 471 | |
| 472 | name = obj->Package.Elements[1].String.Pointer; |
| 473 | |
| 474 | as->as_type = obj->Package.Elements[0].Integer.Value; |
| 475 | as->as_liml = obj->Package.Elements[llo].Integer.Value; |
| 476 | as->as_limh = obj->Package.Elements[lhi].Integer.Value; |
| 477 | |
| 478 | if (sc->sc_model != false) |
| 479 | as->as_limh += as->as_liml; /* A range in the new model. */ |
| 480 | |
| 481 | as->as_sensor.state = ENVSYS_SINVALID; |
| 482 | |
| 483 | switch (AIBS_TYPE(as->as_type)) { |
| 484 | |
| 485 | case AIBS_TYPE_FAN: |
| 486 | as->as_sensor.units = ENVSYS_SFANRPM; |
| 487 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
| 488 | break; |
| 489 | |
| 490 | case AIBS_TYPE_TEMP: |
| 491 | as->as_sensor.units = ENVSYS_STEMP; |
| 492 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
| 493 | break; |
| 494 | |
| 495 | case AIBS_TYPE_VOLT: |
| 496 | as->as_sensor.units = ENVSYS_SVOLTS_DC; |
| 497 | as->as_sensor.flags = ENVSYS_FMONLIMITS | ENVSYS_FHAS_ENTROPY; |
| 498 | break; |
| 499 | |
| 500 | default: |
| 501 | rv = AE_TYPE; |
| 502 | goto out; |
| 503 | } |
| 504 | |
| 505 | (void)strlcpy(as->as_sensor.desc, name, sizeof(as->as_sensor.desc)); |
| 506 | |
| 507 | if (sysmon_envsys_sensor_attach(sc->sc_sme, &as->as_sensor) != 0) { |
| 508 | rv = AE_AML_INTERNAL; |
| 509 | goto out; |
| 510 | } |
| 511 | |
| 512 | SIMPLEQ_INSERT_TAIL(&sc->as_head, as, as_list); |
| 513 | |
| 514 | out: |
| 515 | if (ACPI_FAILURE(rv)) { |
| 516 | |
| 517 | if (as != NULL) |
| 518 | kmem_free(as, sizeof(*as)); |
| 519 | |
| 520 | aprint_error_dev(self, "failed to add " |
| 521 | "sensor: %s\n" , AcpiFormatException(rv)); |
| 522 | } |
| 523 | } |
| 524 | |
| 525 | static bool |
| 526 | aibs_sensor_value(device_t self, struct aibs_sensor *as, uint64_t *val) |
| 527 | { |
| 528 | struct aibs_softc *sc = device_private(self); |
| 529 | uint32_t type, *ret, cmb[3]; |
| 530 | ACPI_OBJECT_LIST arg; |
| 531 | ACPI_OBJECT cmi, tmp; |
| 532 | ACPI_OBJECT *obj; |
| 533 | ACPI_BUFFER buf; |
| 534 | ACPI_STATUS rv; |
| 535 | const char *path; |
| 536 | |
| 537 | if (sc->sc_model != false) { |
| 538 | |
| 539 | path = "GITM" ; |
| 540 | |
| 541 | cmb[0] = as->as_type; |
| 542 | cmb[1] = 0; |
| 543 | cmb[2] = 0; |
| 544 | |
| 545 | arg.Count = 1; |
| 546 | arg.Pointer = &tmp; |
| 547 | |
| 548 | tmp.Buffer.Length = sizeof(cmb); |
| 549 | tmp.Buffer.Pointer = (uint8_t *)cmb; |
| 550 | tmp.Type = type = ACPI_TYPE_BUFFER; |
| 551 | |
| 552 | } else { |
| 553 | |
| 554 | arg.Count = 1; |
| 555 | arg.Pointer = &cmi; |
| 556 | |
| 557 | cmi.Integer.Value = as->as_type; |
| 558 | cmi.Type = type = ACPI_TYPE_INTEGER; |
| 559 | |
| 560 | switch (AIBS_TYPE(as->as_type)) { |
| 561 | |
| 562 | case AIBS_TYPE_FAN: |
| 563 | path = "RFAN" ; |
| 564 | break; |
| 565 | |
| 566 | case AIBS_TYPE_TEMP: |
| 567 | path = "RTMP" ; |
| 568 | break; |
| 569 | |
| 570 | case AIBS_TYPE_VOLT: |
| 571 | path = "RVLT" ; |
| 572 | break; |
| 573 | |
| 574 | default: |
| 575 | return false; |
| 576 | } |
| 577 | } |
| 578 | |
| 579 | buf.Pointer = NULL; |
| 580 | buf.Length = ACPI_ALLOCATE_LOCAL_BUFFER; |
| 581 | |
| 582 | rv = AcpiEvaluateObject(sc->sc_node->ad_handle, path, &arg, &buf); |
| 583 | |
| 584 | if (ACPI_FAILURE(rv)) |
| 585 | goto out; |
| 586 | |
| 587 | obj = buf.Pointer; |
| 588 | |
| 589 | if (obj->Type != type) { |
| 590 | rv = AE_TYPE; |
| 591 | goto out; |
| 592 | } |
| 593 | |
| 594 | if (sc->sc_model != true) |
| 595 | *val = obj->Integer.Value; |
| 596 | else { |
| 597 | /* |
| 598 | * The return buffer contains at least: |
| 599 | * |
| 600 | * uint32_t buf[0] flags |
| 601 | * uint32_t buf[1] return value |
| 602 | * uint8_t buf[2-] unknown |
| 603 | */ |
| 604 | if (obj->Buffer.Length < 8) { |
| 605 | rv = AE_BUFFER_OVERFLOW; |
| 606 | goto out; |
| 607 | } |
| 608 | |
| 609 | ret = (uint32_t *)obj->Buffer.Pointer; |
| 610 | |
| 611 | if (ret[0] == 0) { |
| 612 | rv = AE_BAD_VALUE; |
| 613 | goto out; |
| 614 | } |
| 615 | |
| 616 | *val = ret[1]; |
| 617 | } |
| 618 | |
| 619 | out: |
| 620 | if (buf.Pointer != NULL) |
| 621 | ACPI_FREE(buf.Pointer); |
| 622 | |
| 623 | if (ACPI_FAILURE(rv)) { |
| 624 | |
| 625 | aprint_error_dev(self, "failed to evaluate " |
| 626 | "%s: %s\n" , path, AcpiFormatException(rv)); |
| 627 | |
| 628 | return false; |
| 629 | } |
| 630 | |
| 631 | return true; |
| 632 | } |
| 633 | |
| 634 | static void |
| 635 | aibs_sensor_refresh(struct sysmon_envsys *sme, envsys_data_t *edata) |
| 636 | { |
| 637 | struct aibs_softc *sc = sme->sme_cookie; |
| 638 | struct aibs_sensor *tmp, *as = NULL; |
| 639 | envsys_data_t *s = edata; |
| 640 | uint64_t val = 0; |
| 641 | |
| 642 | SIMPLEQ_FOREACH(tmp, &sc->as_head, as_list) { |
| 643 | |
| 644 | if (tmp->as_sensor.sensor == s->sensor) { |
| 645 | as = tmp; |
| 646 | break; |
| 647 | } |
| 648 | } |
| 649 | |
| 650 | if (as == NULL) { |
| 651 | aprint_debug_dev(sc->sc_dev, "failed to find sensor\n" ); |
| 652 | return; |
| 653 | } |
| 654 | |
| 655 | as->as_sensor.state = ENVSYS_SINVALID; |
| 656 | as->as_sensor.flags |= ENVSYS_FMONNOTSUPP; |
| 657 | |
| 658 | if (aibs_sensor_value(sc->sc_dev, as, &val) != true) |
| 659 | return; |
| 660 | |
| 661 | switch (as->as_sensor.units) { |
| 662 | |
| 663 | case ENVSYS_SFANRPM: |
| 664 | as->as_sensor.value_cur = val; |
| 665 | break; |
| 666 | |
| 667 | case ENVSYS_STEMP: |
| 668 | |
| 669 | if (val == 0) |
| 670 | return; |
| 671 | |
| 672 | as->as_sensor.value_cur = val * 100 * 1000 + 273150000; |
| 673 | break; |
| 674 | |
| 675 | case ENVSYS_SVOLTS_DC: |
| 676 | as->as_sensor.value_cur = val * 1000; |
| 677 | break; |
| 678 | |
| 679 | default: |
| 680 | return; |
| 681 | } |
| 682 | |
| 683 | as->as_sensor.state = ENVSYS_SVALID; |
| 684 | as->as_sensor.flags &= ~ENVSYS_FMONNOTSUPP; |
| 685 | } |
| 686 | |
| 687 | static void |
| 688 | aibs_sensor_limits(struct sysmon_envsys *sme, envsys_data_t *edata, |
| 689 | sysmon_envsys_lim_t *limits, uint32_t *props) |
| 690 | { |
| 691 | struct aibs_softc *sc = sme->sme_cookie; |
| 692 | struct aibs_sensor *tmp, *as = NULL; |
| 693 | sysmon_envsys_lim_t *lim = limits; |
| 694 | envsys_data_t *s = edata; |
| 695 | |
| 696 | SIMPLEQ_FOREACH(tmp, &sc->as_head, as_list) { |
| 697 | |
| 698 | if (tmp->as_sensor.sensor == s->sensor) { |
| 699 | as = tmp; |
| 700 | break; |
| 701 | } |
| 702 | } |
| 703 | |
| 704 | if (as == NULL) { |
| 705 | aprint_debug_dev(sc->sc_dev, "failed to find sensor\n" ); |
| 706 | return; |
| 707 | } |
| 708 | |
| 709 | switch (as->as_sensor.units) { |
| 710 | |
| 711 | case ENVSYS_SFANRPM: |
| 712 | |
| 713 | /* |
| 714 | * Some boards have strange limits for fans. |
| 715 | */ |
| 716 | if (as->as_liml == 0) { |
| 717 | lim->sel_warnmin = as->as_limh; |
| 718 | *props = PROP_WARNMIN; |
| 719 | |
| 720 | } else { |
| 721 | lim->sel_warnmin = as->as_liml; |
| 722 | lim->sel_warnmax = as->as_limh; |
| 723 | *props = PROP_WARNMIN | PROP_WARNMAX; |
| 724 | } |
| 725 | |
| 726 | break; |
| 727 | |
| 728 | case ENVSYS_STEMP: |
| 729 | lim->sel_critmax = as->as_limh * 100 * 1000 + 273150000; |
| 730 | lim->sel_warnmax = as->as_liml * 100 * 1000 + 273150000; |
| 731 | |
| 732 | *props = PROP_CRITMAX | PROP_WARNMAX; |
| 733 | break; |
| 734 | |
| 735 | case ENVSYS_SVOLTS_DC: |
| 736 | lim->sel_critmin = as->as_liml * 1000; |
| 737 | lim->sel_critmax = as->as_limh * 1000; |
| 738 | *props = PROP_CRITMIN | PROP_CRITMAX; |
| 739 | break; |
| 740 | |
| 741 | default: |
| 742 | return; |
| 743 | } |
| 744 | } |
| 745 | |
| 746 | MODULE(MODULE_CLASS_DRIVER, aibs, "sysmon_envsys" ); |
| 747 | |
| 748 | #ifdef _MODULE |
| 749 | #include "ioconf.c" |
| 750 | #endif |
| 751 | |
| 752 | static int |
| 753 | aibs_modcmd(modcmd_t cmd, void *aux) |
| 754 | { |
| 755 | int rv = 0; |
| 756 | |
| 757 | switch (cmd) { |
| 758 | |
| 759 | case MODULE_CMD_INIT: |
| 760 | |
| 761 | #ifdef _MODULE |
| 762 | rv = config_init_component(cfdriver_ioconf_aibs, |
| 763 | cfattach_ioconf_aibs, cfdata_ioconf_aibs); |
| 764 | #endif |
| 765 | break; |
| 766 | |
| 767 | case MODULE_CMD_FINI: |
| 768 | |
| 769 | #ifdef _MODULE |
| 770 | rv = config_fini_component(cfdriver_ioconf_aibs, |
| 771 | cfattach_ioconf_aibs, cfdata_ioconf_aibs); |
| 772 | #endif |
| 773 | break; |
| 774 | |
| 775 | default: |
| 776 | rv = ENOTTY; |
| 777 | } |
| 778 | |
| 779 | return rv; |
| 780 | } |
| 781 | |