1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2007, 2008 Rui Paulo <rpaulo@FreeBSD.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 AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 /* 31 * Driver for Apple's System Management Console (SMC). 32 * SMC can be found on the MacBook, MacBook Pro and Mac Mini. 33 * 34 * Inspired by the Linux applesmc driver. 35 */ 36 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/param.h> 41 #include <sys/bus.h> 42 #include <sys/conf.h> 43 #include <sys/kernel.h> 44 #include <sys/lock.h> 45 #include <sys/malloc.h> 46 #include <sys/module.h> 47 #include <sys/mutex.h> 48 #include <sys/sysctl.h> 49 #include <sys/systm.h> 50 #include <sys/taskqueue.h> 51 #include <sys/rman.h> 52 53 #include <machine/resource.h> 54 55 #include <contrib/dev/acpica/include/acpi.h> 56 57 #include <dev/acpica/acpivar.h> 58 #include <dev/asmc/asmcvar.h> 59 60 /* 61 * Device interface. 62 */ 63 static int asmc_probe(device_t dev); 64 static int asmc_attach(device_t dev); 65 static int asmc_detach(device_t dev); 66 static int asmc_resume(device_t dev); 67 68 /* 69 * SMC functions. 70 */ 71 static int asmc_init(device_t dev); 72 static int asmc_command(device_t dev, uint8_t command); 73 static int asmc_wait(device_t dev, uint8_t val); 74 static int asmc_wait_ack(device_t dev, uint8_t val, int amount); 75 static int asmc_key_write(device_t dev, const char *key, uint8_t *buf, 76 uint8_t len); 77 static int asmc_key_read(device_t dev, const char *key, uint8_t *buf, 78 uint8_t); 79 static int asmc_fan_count(device_t dev); 80 static int asmc_fan_getvalue(device_t dev, const char *key, int fan); 81 static int asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed); 82 static int asmc_temp_getvalue(device_t dev, const char *key); 83 static int asmc_sms_read(device_t, const char *key, int16_t *val); 84 static void asmc_sms_calibrate(device_t dev); 85 static int asmc_sms_intrfast(void *arg); 86 static void asmc_sms_printintr(device_t dev, uint8_t); 87 static void asmc_sms_task(void *arg, int pending); 88 #ifdef DEBUG 89 void asmc_dumpall(device_t); 90 static int asmc_key_dump(device_t, int); 91 #endif 92 93 /* 94 * Model functions. 95 */ 96 static int asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS); 97 static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS); 98 static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); 99 static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); 100 static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); 101 static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); 102 static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); 103 static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); 104 static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); 105 static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS); 106 static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS); 107 static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS); 108 static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS); 109 110 struct asmc_model { 111 const char *smc_model; /* smbios.system.product env var. */ 112 const char *smc_desc; /* driver description */ 113 114 /* Helper functions */ 115 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS); 116 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS); 117 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS); 118 int (*smc_fan_id)(SYSCTL_HANDLER_ARGS); 119 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS); 120 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS); 121 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS); 122 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS); 123 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS); 124 int (*smc_light_left)(SYSCTL_HANDLER_ARGS); 125 int (*smc_light_right)(SYSCTL_HANDLER_ARGS); 126 int (*smc_light_control)(SYSCTL_HANDLER_ARGS); 127 128 const char *smc_temps[ASMC_TEMP_MAX]; 129 const char *smc_tempnames[ASMC_TEMP_MAX]; 130 const char *smc_tempdescs[ASMC_TEMP_MAX]; 131 }; 132 133 static const struct asmc_model *asmc_match(device_t dev); 134 135 #define ASMC_SMS_FUNCS asmc_mb_sysctl_sms_x, asmc_mb_sysctl_sms_y, \ 136 asmc_mb_sysctl_sms_z 137 138 #define ASMC_SMS_FUNCS_DISABLED NULL,NULL,NULL 139 140 #define ASMC_FAN_FUNCS asmc_mb_sysctl_fanid, asmc_mb_sysctl_fanspeed, asmc_mb_sysctl_fansafespeed, \ 141 asmc_mb_sysctl_fanminspeed, \ 142 asmc_mb_sysctl_fanmaxspeed, \ 143 asmc_mb_sysctl_fantargetspeed 144 145 #define ASMC_FAN_FUNCS2 asmc_mb_sysctl_fanid, asmc_mb_sysctl_fanspeed, NULL, \ 146 asmc_mb_sysctl_fanminspeed, \ 147 asmc_mb_sysctl_fanmaxspeed, \ 148 asmc_mb_sysctl_fantargetspeed 149 150 #define ASMC_LIGHT_FUNCS asmc_mbp_sysctl_light_left, \ 151 asmc_mbp_sysctl_light_right, \ 152 asmc_mbp_sysctl_light_control 153 154 #define ASMC_LIGHT_FUNCS_DISABLED NULL, NULL, NULL 155 156 static const struct asmc_model asmc_models[] = { 157 { 158 "MacBook1,1", "Apple SMC MacBook Core Duo", 159 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 160 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 161 }, 162 163 { 164 "MacBook2,1", "Apple SMC MacBook Core 2 Duo", 165 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 166 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 167 }, 168 169 { 170 "MacBook3,1", "Apple SMC MacBook Core 2 Duo", 171 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 172 ASMC_MB31_TEMPS, ASMC_MB31_TEMPNAMES, ASMC_MB31_TEMPDESCS 173 }, 174 175 { 176 "MacBook7,1", "Apple SMC MacBook Core 2 Duo (mid 2010)", 177 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS_DISABLED, 178 ASMC_MB71_TEMPS, ASMC_MB71_TEMPNAMES, ASMC_MB71_TEMPDESCS 179 }, 180 181 { 182 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)", 183 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 184 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 185 }, 186 187 { 188 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)", 189 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 190 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 191 }, 192 193 { 194 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)", 195 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 196 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 197 }, 198 199 { 200 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)", 201 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 202 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 203 }, 204 205 { 206 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)", 207 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 208 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 209 }, 210 211 { 212 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)", 213 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 214 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 215 }, 216 217 { 218 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)", 219 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 220 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS 221 }, 222 223 { 224 "MacBookPro5,1", "Apple SMC MacBook Pro Core 2 Duo (2008/2009)", 225 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 226 ASMC_MBP5_TEMPS, ASMC_MBP5_TEMPNAMES, ASMC_MBP5_TEMPDESCS 227 }, 228 229 { 230 "MacBookPro6,2", "Apple SMC MacBook Pro (Mid 2010, 15-inch)", 231 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 232 ASMC_MBP62_TEMPS, ASMC_MBP62_TEMPNAMES, ASMC_MBP62_TEMPDESCS 233 }, 234 235 { 236 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)", 237 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 238 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS 239 }, 240 241 { 242 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)", 243 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 244 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS 245 }, 246 247 { 248 "MacBookPro9,1", "Apple SMC MacBook Pro (mid 2012, 15-inch)", 249 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 250 ASMC_MBP91_TEMPS, ASMC_MBP91_TEMPNAMES, ASMC_MBP91_TEMPDESCS 251 }, 252 253 { 254 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012, 13-inch)", 255 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 256 ASMC_MBP92_TEMPS, ASMC_MBP92_TEMPNAMES, ASMC_MBP92_TEMPDESCS 257 }, 258 259 { 260 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 261 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 262 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS 263 }, 264 265 { 266 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 267 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 268 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS 269 }, 270 271 /* The Mac Mini has no SMS */ 272 { 273 "Macmini1,1", "Apple SMC Mac Mini", 274 NULL, NULL, NULL, 275 ASMC_FAN_FUNCS, 276 NULL, NULL, NULL, 277 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 278 }, 279 280 /* The Mac Mini 2,1 has no SMS */ 281 { 282 "Macmini2,1", "Apple SMC Mac Mini 2,1", 283 ASMC_SMS_FUNCS_DISABLED, 284 ASMC_FAN_FUNCS, 285 ASMC_LIGHT_FUNCS_DISABLED, 286 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS 287 }, 288 289 /* The Mac Mini 3,1 has no SMS */ 290 { 291 "Macmini3,1", "Apple SMC Mac Mini 3,1", 292 NULL, NULL, NULL, 293 ASMC_FAN_FUNCS, 294 NULL, NULL, NULL, 295 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS 296 }, 297 298 /* The Mac Mini 4,1 (Mid-2010) has no SMS */ 299 { 300 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)", 301 ASMC_SMS_FUNCS_DISABLED, 302 ASMC_FAN_FUNCS, 303 ASMC_LIGHT_FUNCS_DISABLED, 304 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS 305 }, 306 307 /* The Mac Mini 5,1 has no SMS */ 308 /* - same sensors as Mac Mini 5,2 */ 309 { 310 "Macmini5,1", "Apple SMC Mac Mini 5,1", 311 NULL, NULL, NULL, 312 ASMC_FAN_FUNCS2, 313 NULL, NULL, NULL, 314 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 315 }, 316 317 /* The Mac Mini 5,2 has no SMS */ 318 { 319 "Macmini5,2", "Apple SMC Mac Mini 5,2", 320 NULL, NULL, NULL, 321 ASMC_FAN_FUNCS2, 322 NULL, NULL, NULL, 323 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 324 }, 325 326 /* The Mac Mini 5,3 has no SMS */ 327 /* - same sensors as Mac Mini 5,2 */ 328 { 329 "Macmini5,3", "Apple SMC Mac Mini 5,3", 330 NULL, NULL, NULL, 331 ASMC_FAN_FUNCS2, 332 NULL, NULL, NULL, 333 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 334 }, 335 336 /* The Mac Mini 7,1 has no SMS */ 337 { 338 "Macmini7,1", "Apple SMC Mac Mini 7,1", 339 NULL, NULL, NULL, 340 ASMC_FAN_FUNCS2, 341 NULL, NULL, NULL, 342 ASMC_MM71_TEMPS, ASMC_MM71_TEMPNAMES, ASMC_MM71_TEMPDESCS 343 }, 344 345 /* Idem for the Mac Pro "Quad Core" (original) */ 346 { 347 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)", 348 NULL, NULL, NULL, 349 ASMC_FAN_FUNCS, 350 NULL, NULL, NULL, 351 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS 352 }, 353 354 /* Idem for the Mac Pro (8-core) */ 355 { 356 "MacPro2", "Apple SMC Mac Pro (8-core)", 357 NULL, NULL, NULL, 358 ASMC_FAN_FUNCS, 359 NULL, NULL, NULL, 360 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS 361 }, 362 363 /* Idem for the MacPro 2010*/ 364 { 365 "MacPro5,1", "Apple SMC MacPro (2010)", 366 NULL, NULL, NULL, 367 ASMC_FAN_FUNCS, 368 NULL, NULL, NULL, 369 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS 370 }, 371 372 /* Idem for the Mac Pro 2013 (cylinder) */ 373 { 374 "MacPro6,1", "Apple SMC Mac Pro (2013)", 375 ASMC_SMS_FUNCS_DISABLED, 376 ASMC_FAN_FUNCS2, 377 ASMC_LIGHT_FUNCS_DISABLED, 378 ASMC_MP6_TEMPS, ASMC_MP6_TEMPNAMES, ASMC_MP6_TEMPDESCS 379 }, 380 381 { 382 "MacBookAir1,1", "Apple SMC MacBook Air", 383 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 384 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 385 }, 386 387 { 388 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)", 389 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 390 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS 391 }, 392 393 { 394 "MacBookAir4,1", "Apple SMC Macbook Air 11-inch (Mid 2011)", 395 ASMC_SMS_FUNCS_DISABLED, 396 ASMC_FAN_FUNCS2, 397 ASMC_LIGHT_FUNCS, 398 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 399 }, 400 401 { 402 "MacBookAir4,2", "Apple SMC Macbook Air 13-inch (Mid 2011)", 403 ASMC_SMS_FUNCS_DISABLED, 404 ASMC_FAN_FUNCS2, 405 ASMC_LIGHT_FUNCS, 406 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 407 }, 408 409 { 410 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)", 411 ASMC_SMS_FUNCS_DISABLED, 412 ASMC_FAN_FUNCS2, 413 ASMC_LIGHT_FUNCS, 414 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 415 }, 416 417 { 418 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)", 419 ASMC_SMS_FUNCS_DISABLED, 420 ASMC_FAN_FUNCS2, 421 ASMC_LIGHT_FUNCS, 422 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 423 }, 424 425 { 426 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 427 ASMC_SMS_FUNCS_DISABLED, 428 ASMC_FAN_FUNCS2, 429 ASMC_LIGHT_FUNCS, 430 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 431 }, 432 433 { 434 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 435 ASMC_SMS_FUNCS_DISABLED, 436 ASMC_FAN_FUNCS2, 437 ASMC_LIGHT_FUNCS, 438 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 439 }, 440 { NULL, NULL } 441 }; 442 443 #undef ASMC_SMS_FUNCS 444 #undef ASMC_SMS_FUNCS_DISABLED 445 #undef ASMC_FAN_FUNCS 446 #undef ASMC_FAN_FUNCS2 447 #undef ASMC_LIGHT_FUNCS 448 449 /* 450 * Driver methods. 451 */ 452 static device_method_t asmc_methods[] = { 453 DEVMETHOD(device_probe, asmc_probe), 454 DEVMETHOD(device_attach, asmc_attach), 455 DEVMETHOD(device_detach, asmc_detach), 456 DEVMETHOD(device_resume, asmc_resume), 457 { 0, 0 } 458 }; 459 460 static driver_t asmc_driver = { 461 "asmc", 462 asmc_methods, 463 sizeof(struct asmc_softc) 464 }; 465 466 /* 467 * Debugging 468 */ 469 #define _COMPONENT ACPI_OEM 470 ACPI_MODULE_NAME("ASMC") 471 #ifdef DEBUG 472 #define ASMC_DPRINTF(str) device_printf(dev, str) 473 #else 474 #define ASMC_DPRINTF(str) 475 #endif 476 477 /* NB: can't be const */ 478 static char *asmc_ids[] = { "APP0001", NULL }; 479 480 static unsigned int light_control = 0; 481 482 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); 483 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 484 485 static const struct asmc_model * 486 asmc_match(device_t dev) 487 { 488 int i; 489 char *model; 490 491 model = kern_getenv("smbios.system.product"); 492 if (model == NULL) 493 return (NULL); 494 495 for (i = 0; asmc_models[i].smc_model; i++) { 496 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 497 freeenv(model); 498 return (&asmc_models[i]); 499 } 500 } 501 freeenv(model); 502 503 return (NULL); 504 } 505 506 static int 507 asmc_probe(device_t dev) 508 { 509 const struct asmc_model *model; 510 int rv; 511 512 if (resource_disabled("asmc", 0)) 513 return (ENXIO); 514 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 515 if (rv > 0) 516 return (rv); 517 518 model = asmc_match(dev); 519 if (!model) { 520 device_printf(dev, "model not recognized\n"); 521 return (ENXIO); 522 } 523 device_set_desc(dev, model->smc_desc); 524 525 return (rv); 526 } 527 528 static int 529 asmc_attach(device_t dev) 530 { 531 int i, j; 532 int ret; 533 char name[2]; 534 struct asmc_softc *sc = device_get_softc(dev); 535 struct sysctl_ctx_list *sysctlctx; 536 struct sysctl_oid *sysctlnode; 537 const struct asmc_model *model; 538 539 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 540 &sc->sc_rid_port, RF_ACTIVE); 541 if (sc->sc_ioport == NULL) { 542 device_printf(dev, "unable to allocate IO port\n"); 543 return (ENOMEM); 544 } 545 546 sysctlctx = device_get_sysctl_ctx(dev); 547 sysctlnode = device_get_sysctl_tree(dev); 548 549 model = asmc_match(dev); 550 551 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 552 553 sc->sc_model = model; 554 asmc_init(dev); 555 556 /* 557 * dev.asmc.n.fan.* tree. 558 */ 559 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 560 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 561 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 562 563 for (i = 1; i <= sc->sc_nfan; i++) { 564 j = i - 1; 565 name[0] = '0' + j; 566 name[1] = 0; 567 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 568 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 569 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 570 "Fan Subtree"); 571 572 SYSCTL_ADD_PROC(sysctlctx, 573 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 574 OID_AUTO, "id", 575 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 576 dev, j, model->smc_fan_id, "I", 577 "Fan ID"); 578 579 SYSCTL_ADD_PROC(sysctlctx, 580 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 581 OID_AUTO, "speed", 582 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 583 dev, j, model->smc_fan_speed, "I", 584 "Fan speed in RPM"); 585 586 SYSCTL_ADD_PROC(sysctlctx, 587 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 588 OID_AUTO, "safespeed", 589 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 590 dev, j, model->smc_fan_safespeed, "I", 591 "Fan safe speed in RPM"); 592 593 SYSCTL_ADD_PROC(sysctlctx, 594 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 595 OID_AUTO, "minspeed", 596 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 597 dev, j, model->smc_fan_minspeed, "I", 598 "Fan minimum speed in RPM"); 599 600 SYSCTL_ADD_PROC(sysctlctx, 601 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 602 OID_AUTO, "maxspeed", 603 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 604 dev, j, model->smc_fan_maxspeed, "I", 605 "Fan maximum speed in RPM"); 606 607 SYSCTL_ADD_PROC(sysctlctx, 608 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 609 OID_AUTO, "targetspeed", 610 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 611 dev, j, model->smc_fan_targetspeed, "I", 612 "Fan target speed in RPM"); 613 } 614 615 /* 616 * dev.asmc.n.temp tree. 617 */ 618 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 619 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 620 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 621 622 for (i = 0; model->smc_temps[i]; i++) { 623 SYSCTL_ADD_PROC(sysctlctx, 624 SYSCTL_CHILDREN(sc->sc_temp_tree), 625 OID_AUTO, model->smc_tempnames[i], 626 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 627 dev, i, asmc_temp_sysctl, "I", 628 model->smc_tempdescs[i]); 629 } 630 631 /* 632 * dev.asmc.n.light 633 */ 634 if (model->smc_light_left) { 635 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 636 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 637 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 638 "Keyboard backlight sensors"); 639 640 SYSCTL_ADD_PROC(sysctlctx, 641 SYSCTL_CHILDREN(sc->sc_light_tree), 642 OID_AUTO, "left", 643 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 644 dev, 0, model->smc_light_left, "I", 645 "Keyboard backlight left sensor"); 646 647 SYSCTL_ADD_PROC(sysctlctx, 648 SYSCTL_CHILDREN(sc->sc_light_tree), 649 OID_AUTO, "right", 650 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 651 dev, 0, model->smc_light_right, "I", 652 "Keyboard backlight right sensor"); 653 654 SYSCTL_ADD_PROC(sysctlctx, 655 SYSCTL_CHILDREN(sc->sc_light_tree), 656 OID_AUTO, "control", 657 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | 658 CTLFLAG_NEEDGIANT, dev, 0, 659 model->smc_light_control, "I", 660 "Keyboard backlight brightness control"); 661 } 662 663 if (model->smc_sms_x == NULL) 664 goto nosms; 665 666 /* 667 * dev.asmc.n.sms tree. 668 */ 669 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 670 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 671 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 672 673 SYSCTL_ADD_PROC(sysctlctx, 674 SYSCTL_CHILDREN(sc->sc_sms_tree), 675 OID_AUTO, "x", 676 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 677 dev, 0, model->smc_sms_x, "I", 678 "Sudden Motion Sensor X value"); 679 680 SYSCTL_ADD_PROC(sysctlctx, 681 SYSCTL_CHILDREN(sc->sc_sms_tree), 682 OID_AUTO, "y", 683 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 684 dev, 0, model->smc_sms_y, "I", 685 "Sudden Motion Sensor Y value"); 686 687 SYSCTL_ADD_PROC(sysctlctx, 688 SYSCTL_CHILDREN(sc->sc_sms_tree), 689 OID_AUTO, "z", 690 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 691 dev, 0, model->smc_sms_z, "I", 692 "Sudden Motion Sensor Z value"); 693 694 /* 695 * Need a taskqueue to send devctl_notify() events 696 * when the SMS interrupt us. 697 * 698 * PI_REALTIME is used due to the sensitivity of the 699 * interrupt. An interrupt from the SMS means that the 700 * disk heads should be turned off as quickly as possible. 701 * 702 * We only need to do this for the non INTR_FILTER case. 703 */ 704 sc->sc_sms_tq = NULL; 705 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 706 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 707 taskqueue_thread_enqueue, &sc->sc_sms_tq); 708 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 709 device_get_nameunit(dev)); 710 /* 711 * Allocate an IRQ for the SMS. 712 */ 713 sc->sc_rid_irq = 0; 714 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 715 &sc->sc_rid_irq, RF_ACTIVE); 716 if (sc->sc_irq == NULL) { 717 device_printf(dev, "unable to allocate IRQ resource\n"); 718 ret = ENXIO; 719 goto err2; 720 } 721 722 ret = bus_setup_intr(dev, sc->sc_irq, 723 INTR_TYPE_MISC | INTR_MPSAFE, 724 asmc_sms_intrfast, NULL, 725 dev, &sc->sc_cookie); 726 727 if (ret) { 728 device_printf(dev, "unable to setup SMS IRQ\n"); 729 goto err1; 730 } 731 nosms: 732 return (0); 733 err1: 734 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 735 err2: 736 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 737 sc->sc_ioport); 738 mtx_destroy(&sc->sc_mtx); 739 if (sc->sc_sms_tq) 740 taskqueue_free(sc->sc_sms_tq); 741 742 return (ret); 743 } 744 745 static int 746 asmc_detach(device_t dev) 747 { 748 struct asmc_softc *sc = device_get_softc(dev); 749 750 if (sc->sc_sms_tq) { 751 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 752 taskqueue_free(sc->sc_sms_tq); 753 } 754 if (sc->sc_cookie) 755 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 756 if (sc->sc_irq) 757 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 758 sc->sc_irq); 759 if (sc->sc_ioport) 760 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 761 sc->sc_ioport); 762 mtx_destroy(&sc->sc_mtx); 763 764 return (0); 765 } 766 767 static int 768 asmc_resume(device_t dev) 769 { 770 uint8_t buf[2]; 771 buf[0] = light_control; 772 buf[1] = 0x00; 773 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 774 return (0); 775 } 776 777 #ifdef DEBUG 778 void asmc_dumpall(device_t dev) 779 { 780 int i; 781 782 /* XXX magic number */ 783 for (i=0; i < 0x100; i++) 784 asmc_key_dump(dev, i); 785 } 786 #endif 787 788 static int 789 asmc_init(device_t dev) 790 { 791 struct asmc_softc *sc = device_get_softc(dev); 792 int i, error = 1; 793 uint8_t buf[4]; 794 795 if (sc->sc_model->smc_sms_x == NULL) 796 goto nosms; 797 798 /* 799 * We are ready to receive interrupts from the SMS. 800 */ 801 buf[0] = 0x01; 802 ASMC_DPRINTF(("intok key\n")); 803 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 804 DELAY(50); 805 806 /* 807 * Initiate the polling intervals. 808 */ 809 buf[0] = 20; /* msecs */ 810 ASMC_DPRINTF(("low int key\n")); 811 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 812 DELAY(200); 813 814 buf[0] = 20; /* msecs */ 815 ASMC_DPRINTF(("high int key\n")); 816 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 817 DELAY(200); 818 819 buf[0] = 0x00; 820 buf[1] = 0x60; 821 ASMC_DPRINTF(("sms low key\n")); 822 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 823 DELAY(200); 824 825 buf[0] = 0x01; 826 buf[1] = 0xc0; 827 ASMC_DPRINTF(("sms high key\n")); 828 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 829 DELAY(200); 830 831 /* 832 * I'm not sure what this key does, but it seems to be 833 * required. 834 */ 835 buf[0] = 0x01; 836 ASMC_DPRINTF(("sms flag key\n")); 837 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 838 DELAY(100); 839 840 sc->sc_sms_intr_works = 0; 841 842 /* 843 * Retry SMS initialization 1000 times 844 * (takes approx. 2 seconds in worst case) 845 */ 846 for (i = 0; i < 1000; i++) { 847 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 848 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 849 error = 0; 850 sc->sc_sms_intr_works = 1; 851 goto out; 852 } 853 buf[0] = ASMC_SMS_INIT1; 854 buf[1] = ASMC_SMS_INIT2; 855 ASMC_DPRINTF(("sms key\n")); 856 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 857 DELAY(50); 858 } 859 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 860 861 out: 862 asmc_sms_calibrate(dev); 863 nosms: 864 sc->sc_nfan = asmc_fan_count(dev); 865 if (sc->sc_nfan > ASMC_MAXFANS) { 866 device_printf(dev, "more than %d fans were detected. Please " 867 "report this.\n", ASMC_MAXFANS); 868 sc->sc_nfan = ASMC_MAXFANS; 869 } 870 871 if (bootverbose) { 872 /* 873 * The number of keys is a 32 bit buffer 874 */ 875 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 876 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf)); 877 } 878 879 #ifdef DEBUG 880 asmc_dumpall(dev); 881 #endif 882 883 return (error); 884 } 885 886 /* 887 * We need to make sure that the SMC acks the byte sent. 888 * Just wait up to (amount * 10) ms. 889 */ 890 static int 891 asmc_wait_ack(device_t dev, uint8_t val, int amount) 892 { 893 struct asmc_softc *sc = device_get_softc(dev); 894 u_int i; 895 896 val = val & ASMC_STATUS_MASK; 897 898 for (i = 0; i < amount; i++) { 899 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 900 return (0); 901 DELAY(10); 902 } 903 904 return (1); 905 } 906 907 /* 908 * We need to make sure that the SMC acks the byte sent. 909 * Just wait up to 100 ms. 910 */ 911 static int 912 asmc_wait(device_t dev, uint8_t val) 913 { 914 #ifdef DEBUG 915 struct asmc_softc *sc; 916 #endif 917 918 if (asmc_wait_ack(dev, val, 1000) == 0) 919 return (0); 920 921 #ifdef DEBUG 922 sc = device_get_softc(dev); 923 #endif 924 val = val & ASMC_STATUS_MASK; 925 926 #ifdef DEBUG 927 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 928 ASMC_CMDPORT_READ(sc)); 929 #endif 930 return (1); 931 } 932 933 /* 934 * Send the given command, retrying up to 10 times if 935 * the acknowledgement fails. 936 */ 937 static int 938 asmc_command(device_t dev, uint8_t command) { 939 int i; 940 struct asmc_softc *sc = device_get_softc(dev); 941 942 for (i=0; i < 10; i++) { 943 ASMC_CMDPORT_WRITE(sc, command); 944 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 945 return (0); 946 } 947 } 948 949 #ifdef DEBUG 950 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 951 ASMC_CMDPORT_READ(sc)); 952 #endif 953 return (1); 954 } 955 956 static int 957 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 958 { 959 int i, error = 1, try = 0; 960 struct asmc_softc *sc = device_get_softc(dev); 961 962 mtx_lock_spin(&sc->sc_mtx); 963 964 begin: 965 if (asmc_command(dev, ASMC_CMDREAD)) 966 goto out; 967 968 for (i = 0; i < 4; i++) { 969 ASMC_DATAPORT_WRITE(sc, key[i]); 970 if (asmc_wait(dev, 0x04)) 971 goto out; 972 } 973 974 ASMC_DATAPORT_WRITE(sc, len); 975 976 for (i = 0; i < len; i++) { 977 if (asmc_wait(dev, 0x05)) 978 goto out; 979 buf[i] = ASMC_DATAPORT_READ(sc); 980 } 981 982 error = 0; 983 out: 984 if (error) { 985 if (++try < 10) goto begin; 986 device_printf(dev,"%s for key %s failed %d times, giving up\n", 987 __func__, key, try); 988 } 989 990 mtx_unlock_spin(&sc->sc_mtx); 991 992 return (error); 993 } 994 995 #ifdef DEBUG 996 static int 997 asmc_key_dump(device_t dev, int number) 998 { 999 struct asmc_softc *sc = device_get_softc(dev); 1000 char key[5] = { 0 }; 1001 char type[7] = { 0 }; 1002 uint8_t index[4]; 1003 uint8_t v[32]; 1004 uint8_t maxlen; 1005 int i, error = 1, try = 0; 1006 1007 mtx_lock_spin(&sc->sc_mtx); 1008 1009 index[0] = (number >> 24) & 0xff; 1010 index[1] = (number >> 16) & 0xff; 1011 index[2] = (number >> 8) & 0xff; 1012 index[3] = (number) & 0xff; 1013 1014 begin: 1015 if (asmc_command(dev, 0x12)) 1016 goto out; 1017 1018 for (i = 0; i < 4; i++) { 1019 ASMC_DATAPORT_WRITE(sc, index[i]); 1020 if (asmc_wait(dev, 0x04)) 1021 goto out; 1022 } 1023 1024 ASMC_DATAPORT_WRITE(sc, 4); 1025 1026 for (i = 0; i < 4; i++) { 1027 if (asmc_wait(dev, 0x05)) 1028 goto out; 1029 key[i] = ASMC_DATAPORT_READ(sc); 1030 } 1031 1032 /* get type */ 1033 if (asmc_command(dev, 0x13)) 1034 goto out; 1035 1036 for (i = 0; i < 4; i++) { 1037 ASMC_DATAPORT_WRITE(sc, key[i]); 1038 if (asmc_wait(dev, 0x04)) 1039 goto out; 1040 } 1041 1042 ASMC_DATAPORT_WRITE(sc, 6); 1043 1044 for (i = 0; i < 6; i++) { 1045 if (asmc_wait(dev, 0x05)) 1046 goto out; 1047 type[i] = ASMC_DATAPORT_READ(sc); 1048 } 1049 1050 error = 0; 1051 out: 1052 if (error) { 1053 if (++try < 10) goto begin; 1054 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1055 __func__, key, try); 1056 mtx_unlock_spin(&sc->sc_mtx); 1057 } 1058 else { 1059 char buf[1024]; 1060 char buf2[8]; 1061 mtx_unlock_spin(&sc->sc_mtx); 1062 maxlen = type[0]; 1063 type[0] = ' '; 1064 type[5] = 0; 1065 if (maxlen > sizeof(v)) { 1066 device_printf(dev, 1067 "WARNING: cropping maxlen from %d to %zu\n", 1068 maxlen, sizeof(v)); 1069 maxlen = sizeof(v); 1070 } 1071 for (i = 0; i < sizeof(v); i++) { 1072 v[i] = 0; 1073 } 1074 asmc_key_read(dev, key, v, maxlen); 1075 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 1076 "(len %d), data", number, key, type, maxlen); 1077 for (i = 0; i < maxlen; i++) { 1078 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1079 strlcat(buf, buf2, sizeof(buf)); 1080 } 1081 strlcat(buf, " \n", sizeof(buf)); 1082 device_printf(dev, "%s", buf); 1083 } 1084 1085 return (error); 1086 } 1087 #endif 1088 1089 static int 1090 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1091 { 1092 int i, error = -1, try = 0; 1093 struct asmc_softc *sc = device_get_softc(dev); 1094 1095 mtx_lock_spin(&sc->sc_mtx); 1096 1097 begin: 1098 ASMC_DPRINTF(("cmd port: cmd write\n")); 1099 if (asmc_command(dev, ASMC_CMDWRITE)) 1100 goto out; 1101 1102 ASMC_DPRINTF(("data port: key\n")); 1103 for (i = 0; i < 4; i++) { 1104 ASMC_DATAPORT_WRITE(sc, key[i]); 1105 if (asmc_wait(dev, 0x04)) 1106 goto out; 1107 } 1108 ASMC_DPRINTF(("data port: length\n")); 1109 ASMC_DATAPORT_WRITE(sc, len); 1110 1111 ASMC_DPRINTF(("data port: buffer\n")); 1112 for (i = 0; i < len; i++) { 1113 if (asmc_wait(dev, 0x04)) 1114 goto out; 1115 ASMC_DATAPORT_WRITE(sc, buf[i]); 1116 } 1117 1118 error = 0; 1119 out: 1120 if (error) { 1121 if (++try < 10) goto begin; 1122 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1123 __func__, key, try); 1124 } 1125 1126 mtx_unlock_spin(&sc->sc_mtx); 1127 1128 return (error); 1129 1130 } 1131 1132 /* 1133 * Fan control functions. 1134 */ 1135 static int 1136 asmc_fan_count(device_t dev) 1137 { 1138 uint8_t buf[1]; 1139 1140 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) != 0) 1141 return (-1); 1142 1143 return (buf[0]); 1144 } 1145 1146 static int 1147 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1148 { 1149 int speed; 1150 uint8_t buf[2]; 1151 char fankey[5]; 1152 1153 snprintf(fankey, sizeof(fankey), key, fan); 1154 if (asmc_key_read(dev, fankey, buf, sizeof buf) != 0) 1155 return (-1); 1156 speed = (buf[0] << 6) | (buf[1] >> 2); 1157 1158 return (speed); 1159 } 1160 1161 static char* 1162 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen) 1163 { 1164 char fankey[5]; 1165 char* desc; 1166 1167 snprintf(fankey, sizeof(fankey), key, fan); 1168 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1169 return (NULL); 1170 desc = buf+4; 1171 1172 return (desc); 1173 } 1174 1175 static int 1176 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1177 { 1178 uint8_t buf[2]; 1179 char fankey[5]; 1180 1181 speed *= 4; 1182 1183 buf[0] = speed>>8; 1184 buf[1] = speed; 1185 1186 snprintf(fankey, sizeof(fankey), key, fan); 1187 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0) 1188 return (-1); 1189 1190 return (0); 1191 } 1192 1193 static int 1194 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1195 { 1196 device_t dev = (device_t) arg1; 1197 int fan = arg2; 1198 int error; 1199 int32_t v; 1200 1201 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1202 error = sysctl_handle_int(oidp, &v, 0, req); 1203 1204 return (error); 1205 } 1206 1207 static int 1208 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1209 { 1210 uint8_t buf[16]; 1211 device_t dev = (device_t) arg1; 1212 int fan = arg2; 1213 int error = true; 1214 char* desc; 1215 1216 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1217 1218 if (desc != NULL) 1219 error = sysctl_handle_string(oidp, desc, 0, req); 1220 1221 return (error); 1222 } 1223 1224 static int 1225 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1226 { 1227 device_t dev = (device_t) arg1; 1228 int fan = arg2; 1229 int error; 1230 int32_t v; 1231 1232 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1233 error = sysctl_handle_int(oidp, &v, 0, req); 1234 1235 return (error); 1236 } 1237 1238 static int 1239 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1240 { 1241 device_t dev = (device_t) arg1; 1242 int fan = arg2; 1243 int error; 1244 int32_t v; 1245 1246 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1247 error = sysctl_handle_int(oidp, &v, 0, req); 1248 1249 if (error == 0 && req->newptr != NULL) { 1250 unsigned int newspeed = v; 1251 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1252 } 1253 1254 return (error); 1255 } 1256 1257 static int 1258 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 1259 { 1260 device_t dev = (device_t) arg1; 1261 int fan = arg2; 1262 int error; 1263 int32_t v; 1264 1265 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 1266 error = sysctl_handle_int(oidp, &v, 0, req); 1267 1268 if (error == 0 && req->newptr != NULL) { 1269 unsigned int newspeed = v; 1270 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1271 } 1272 1273 return (error); 1274 } 1275 1276 static int 1277 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1278 { 1279 device_t dev = (device_t) arg1; 1280 int fan = arg2; 1281 int error; 1282 int32_t v; 1283 1284 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1285 error = sysctl_handle_int(oidp, &v, 0, req); 1286 1287 if (error == 0 && req->newptr != NULL) { 1288 unsigned int newspeed = v; 1289 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1290 } 1291 1292 return (error); 1293 } 1294 1295 /* 1296 * Temperature functions. 1297 */ 1298 static int 1299 asmc_temp_getvalue(device_t dev, const char *key) 1300 { 1301 uint8_t buf[2]; 1302 1303 /* 1304 * Check for invalid temperatures. 1305 */ 1306 if (asmc_key_read(dev, key, buf, sizeof buf) != 0) 1307 return (-1); 1308 1309 return (buf[0]); 1310 } 1311 1312 static int 1313 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1314 { 1315 device_t dev = (device_t) arg1; 1316 struct asmc_softc *sc = device_get_softc(dev); 1317 int error, val; 1318 1319 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1320 error = sysctl_handle_int(oidp, &val, 0, req); 1321 1322 return (error); 1323 } 1324 1325 /* 1326 * Sudden Motion Sensor functions. 1327 */ 1328 static int 1329 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1330 { 1331 uint8_t buf[2]; 1332 int error; 1333 1334 /* no need to do locking here as asmc_key_read() already does it */ 1335 switch (key[3]) { 1336 case 'X': 1337 case 'Y': 1338 case 'Z': 1339 error = asmc_key_read(dev, key, buf, sizeof buf); 1340 break; 1341 default: 1342 device_printf(dev, "%s called with invalid argument %s\n", 1343 __func__, key); 1344 error = 1; 1345 goto out; 1346 } 1347 *val = ((int16_t)buf[0] << 8) | buf[1]; 1348 out: 1349 return (error); 1350 } 1351 1352 static void 1353 asmc_sms_calibrate(device_t dev) 1354 { 1355 struct asmc_softc *sc = device_get_softc(dev); 1356 1357 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1358 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1359 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1360 } 1361 1362 static int 1363 asmc_sms_intrfast(void *arg) 1364 { 1365 uint8_t type; 1366 device_t dev = (device_t) arg; 1367 struct asmc_softc *sc = device_get_softc(dev); 1368 if (!sc->sc_sms_intr_works) 1369 return (FILTER_HANDLED); 1370 1371 mtx_lock_spin(&sc->sc_mtx); 1372 type = ASMC_INTPORT_READ(sc); 1373 mtx_unlock_spin(&sc->sc_mtx); 1374 1375 sc->sc_sms_intrtype = type; 1376 asmc_sms_printintr(dev, type); 1377 1378 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1379 return (FILTER_HANDLED); 1380 } 1381 1382 static void 1383 asmc_sms_printintr(device_t dev, uint8_t type) 1384 { 1385 struct asmc_softc *sc = device_get_softc(dev); 1386 1387 switch (type) { 1388 case ASMC_SMS_INTFF: 1389 device_printf(dev, "WARNING: possible free fall!\n"); 1390 break; 1391 case ASMC_SMS_INTHA: 1392 device_printf(dev, "WARNING: high acceleration detected!\n"); 1393 break; 1394 case ASMC_SMS_INTSH: 1395 device_printf(dev, "WARNING: possible shock!\n"); 1396 break; 1397 case ASMC_ALSL_INT2A: 1398 /* 1399 * This suppresses console and log messages for the ambient 1400 * light sensor for the only model known to generate this 1401 * interrupt. 1402 */ 1403 if (strcmp(sc->sc_model->smc_model, "MacBookPro6,2") == 0) 1404 break; 1405 /* FALLTHROUGH */ 1406 default: 1407 device_printf(dev, "unknown interrupt: 0x%x\n", type); 1408 } 1409 } 1410 1411 static void 1412 asmc_sms_task(void *arg, int pending) 1413 { 1414 struct asmc_softc *sc = (struct asmc_softc *)arg; 1415 char notify[16]; 1416 int type; 1417 1418 switch (sc->sc_sms_intrtype) { 1419 case ASMC_SMS_INTFF: 1420 type = 2; 1421 break; 1422 case ASMC_SMS_INTHA: 1423 type = 1; 1424 break; 1425 case ASMC_SMS_INTSH: 1426 type = 0; 1427 break; 1428 default: 1429 type = 255; 1430 } 1431 1432 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1433 devctl_notify("ACPI", "asmc", "SMS", notify); 1434 } 1435 1436 static int 1437 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1438 { 1439 device_t dev = (device_t) arg1; 1440 int error; 1441 int16_t val; 1442 int32_t v; 1443 1444 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1445 v = (int32_t) val; 1446 error = sysctl_handle_int(oidp, &v, 0, req); 1447 1448 return (error); 1449 } 1450 1451 static int 1452 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1453 { 1454 device_t dev = (device_t) arg1; 1455 int error; 1456 int16_t val; 1457 int32_t v; 1458 1459 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1460 v = (int32_t) val; 1461 error = sysctl_handle_int(oidp, &v, 0, req); 1462 1463 return (error); 1464 } 1465 1466 static int 1467 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1468 { 1469 device_t dev = (device_t) arg1; 1470 int error; 1471 int16_t val; 1472 int32_t v; 1473 1474 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1475 v = (int32_t) val; 1476 error = sysctl_handle_int(oidp, &v, 0, req); 1477 1478 return (error); 1479 } 1480 1481 static int 1482 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1483 { 1484 device_t dev = (device_t) arg1; 1485 uint8_t buf[6]; 1486 int error; 1487 int32_t v; 1488 1489 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf); 1490 v = buf[2]; 1491 error = sysctl_handle_int(oidp, &v, 0, req); 1492 1493 return (error); 1494 } 1495 1496 static int 1497 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1498 { 1499 device_t dev = (device_t) arg1; 1500 uint8_t buf[6]; 1501 int error; 1502 int32_t v; 1503 1504 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf); 1505 v = buf[2]; 1506 error = sysctl_handle_int(oidp, &v, 0, req); 1507 1508 return (error); 1509 } 1510 1511 static int 1512 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1513 { 1514 device_t dev = (device_t) arg1; 1515 uint8_t buf[2]; 1516 int error; 1517 int v; 1518 1519 v = light_control; 1520 error = sysctl_handle_int(oidp, &v, 0, req); 1521 1522 if (error == 0 && req->newptr != NULL) { 1523 if (v < 0 || v > 255) 1524 return (EINVAL); 1525 light_control = v; 1526 buf[0] = light_control; 1527 buf[1] = 0x00; 1528 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 1529 } 1530 return (error); 1531 } 1532