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_MBP51_TEMPS, ASMC_MBP51_TEMPNAMES, ASMC_MBP51_TEMPDESCS 227 }, 228 229 { 230 "MacBookPro5,5", "Apple SMC MacBook Pro Core 2 Duo (Mid 2009)", 231 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 232 ASMC_MBP55_TEMPS, ASMC_MBP55_TEMPNAMES, ASMC_MBP55_TEMPDESCS 233 }, 234 235 { 236 "MacBookPro6,2", "Apple SMC MacBook Pro (Mid 2010, 15-inch)", 237 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 238 ASMC_MBP62_TEMPS, ASMC_MBP62_TEMPNAMES, ASMC_MBP62_TEMPDESCS 239 }, 240 241 { 242 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)", 243 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 244 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS 245 }, 246 247 { 248 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)", 249 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 250 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS 251 }, 252 253 { 254 "MacBookPro9,1", "Apple SMC MacBook Pro (mid 2012, 15-inch)", 255 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 256 ASMC_MBP91_TEMPS, ASMC_MBP91_TEMPNAMES, ASMC_MBP91_TEMPDESCS 257 }, 258 259 { 260 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012, 13-inch)", 261 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 262 ASMC_MBP92_TEMPS, ASMC_MBP92_TEMPNAMES, ASMC_MBP92_TEMPDESCS 263 }, 264 265 { 266 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 267 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 268 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS 269 }, 270 271 { 272 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 273 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 274 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS 275 }, 276 277 /* The Mac Mini has no SMS */ 278 { 279 "Macmini1,1", "Apple SMC Mac Mini", 280 NULL, NULL, NULL, 281 ASMC_FAN_FUNCS, 282 NULL, NULL, NULL, 283 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 284 }, 285 286 /* The Mac Mini 2,1 has no SMS */ 287 { 288 "Macmini2,1", "Apple SMC Mac Mini 2,1", 289 ASMC_SMS_FUNCS_DISABLED, 290 ASMC_FAN_FUNCS, 291 ASMC_LIGHT_FUNCS_DISABLED, 292 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS 293 }, 294 295 /* The Mac Mini 3,1 has no SMS */ 296 { 297 "Macmini3,1", "Apple SMC Mac Mini 3,1", 298 NULL, NULL, NULL, 299 ASMC_FAN_FUNCS, 300 NULL, NULL, NULL, 301 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS 302 }, 303 304 /* The Mac Mini 4,1 (Mid-2010) has no SMS */ 305 { 306 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)", 307 ASMC_SMS_FUNCS_DISABLED, 308 ASMC_FAN_FUNCS, 309 ASMC_LIGHT_FUNCS_DISABLED, 310 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS 311 }, 312 313 /* The Mac Mini 5,1 has no SMS */ 314 /* - same sensors as Mac Mini 5,2 */ 315 { 316 "Macmini5,1", "Apple SMC Mac Mini 5,1", 317 NULL, NULL, NULL, 318 ASMC_FAN_FUNCS2, 319 NULL, NULL, NULL, 320 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 321 }, 322 323 /* The Mac Mini 5,2 has no SMS */ 324 { 325 "Macmini5,2", "Apple SMC Mac Mini 5,2", 326 NULL, NULL, NULL, 327 ASMC_FAN_FUNCS2, 328 NULL, NULL, NULL, 329 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 330 }, 331 332 /* The Mac Mini 5,3 has no SMS */ 333 /* - same sensors as Mac Mini 5,2 */ 334 { 335 "Macmini5,3", "Apple SMC Mac Mini 5,3", 336 NULL, NULL, NULL, 337 ASMC_FAN_FUNCS2, 338 NULL, NULL, NULL, 339 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 340 }, 341 342 /* The Mac Mini 7,1 has no SMS */ 343 { 344 "Macmini7,1", "Apple SMC Mac Mini 7,1", 345 NULL, NULL, NULL, 346 ASMC_FAN_FUNCS2, 347 NULL, NULL, NULL, 348 ASMC_MM71_TEMPS, ASMC_MM71_TEMPNAMES, ASMC_MM71_TEMPDESCS 349 }, 350 351 /* Idem for the Mac Pro "Quad Core" (original) */ 352 { 353 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)", 354 NULL, NULL, NULL, 355 ASMC_FAN_FUNCS, 356 NULL, NULL, NULL, 357 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS 358 }, 359 360 /* Idem for the Mac Pro (8-core) */ 361 { 362 "MacPro2", "Apple SMC Mac Pro (8-core)", 363 NULL, NULL, NULL, 364 ASMC_FAN_FUNCS, 365 NULL, NULL, NULL, 366 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS 367 }, 368 369 /* Idem for the MacPro 2010*/ 370 { 371 "MacPro5,1", "Apple SMC MacPro (2010)", 372 NULL, NULL, NULL, 373 ASMC_FAN_FUNCS, 374 NULL, NULL, NULL, 375 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS 376 }, 377 378 /* Idem for the Mac Pro 2013 (cylinder) */ 379 { 380 "MacPro6,1", "Apple SMC Mac Pro (2013)", 381 ASMC_SMS_FUNCS_DISABLED, 382 ASMC_FAN_FUNCS2, 383 ASMC_LIGHT_FUNCS_DISABLED, 384 ASMC_MP6_TEMPS, ASMC_MP6_TEMPNAMES, ASMC_MP6_TEMPDESCS 385 }, 386 387 { 388 "MacBookAir1,1", "Apple SMC MacBook Air", 389 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 390 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 391 }, 392 393 { 394 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)", 395 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 396 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS 397 }, 398 399 { 400 "MacBookAir4,1", "Apple SMC Macbook Air 11-inch (Mid 2011)", 401 ASMC_SMS_FUNCS_DISABLED, 402 ASMC_FAN_FUNCS2, 403 ASMC_LIGHT_FUNCS, 404 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 405 }, 406 407 { 408 "MacBookAir4,2", "Apple SMC Macbook Air 13-inch (Mid 2011)", 409 ASMC_SMS_FUNCS_DISABLED, 410 ASMC_FAN_FUNCS2, 411 ASMC_LIGHT_FUNCS, 412 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 413 }, 414 415 { 416 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)", 417 ASMC_SMS_FUNCS_DISABLED, 418 ASMC_FAN_FUNCS2, 419 ASMC_LIGHT_FUNCS, 420 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 421 }, 422 423 { 424 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)", 425 ASMC_SMS_FUNCS_DISABLED, 426 ASMC_FAN_FUNCS2, 427 ASMC_LIGHT_FUNCS, 428 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 429 }, 430 431 { 432 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 433 ASMC_SMS_FUNCS_DISABLED, 434 ASMC_FAN_FUNCS2, 435 ASMC_LIGHT_FUNCS, 436 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 437 }, 438 439 { 440 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 441 ASMC_SMS_FUNCS_DISABLED, 442 ASMC_FAN_FUNCS2, 443 ASMC_LIGHT_FUNCS, 444 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 445 }, 446 { NULL, NULL } 447 }; 448 449 #undef ASMC_SMS_FUNCS 450 #undef ASMC_SMS_FUNCS_DISABLED 451 #undef ASMC_FAN_FUNCS 452 #undef ASMC_FAN_FUNCS2 453 #undef ASMC_LIGHT_FUNCS 454 455 /* 456 * Driver methods. 457 */ 458 static device_method_t asmc_methods[] = { 459 DEVMETHOD(device_probe, asmc_probe), 460 DEVMETHOD(device_attach, asmc_attach), 461 DEVMETHOD(device_detach, asmc_detach), 462 DEVMETHOD(device_resume, asmc_resume), 463 { 0, 0 } 464 }; 465 466 static driver_t asmc_driver = { 467 "asmc", 468 asmc_methods, 469 sizeof(struct asmc_softc) 470 }; 471 472 /* 473 * Debugging 474 */ 475 #define _COMPONENT ACPI_OEM 476 ACPI_MODULE_NAME("ASMC") 477 #ifdef DEBUG 478 #define ASMC_DPRINTF(str) device_printf(dev, str) 479 #else 480 #define ASMC_DPRINTF(str) 481 #endif 482 483 /* NB: can't be const */ 484 static char *asmc_ids[] = { "APP0001", NULL }; 485 486 static unsigned int light_control = 0; 487 488 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); 489 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 490 491 static const struct asmc_model * 492 asmc_match(device_t dev) 493 { 494 int i; 495 char *model; 496 497 model = kern_getenv("smbios.system.product"); 498 if (model == NULL) 499 return (NULL); 500 501 for (i = 0; asmc_models[i].smc_model; i++) { 502 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 503 freeenv(model); 504 return (&asmc_models[i]); 505 } 506 } 507 freeenv(model); 508 509 return (NULL); 510 } 511 512 static int 513 asmc_probe(device_t dev) 514 { 515 const struct asmc_model *model; 516 int rv; 517 518 if (resource_disabled("asmc", 0)) 519 return (ENXIO); 520 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 521 if (rv > 0) 522 return (rv); 523 524 model = asmc_match(dev); 525 if (!model) { 526 device_printf(dev, "model not recognized\n"); 527 return (ENXIO); 528 } 529 device_set_desc(dev, model->smc_desc); 530 531 return (rv); 532 } 533 534 static int 535 asmc_attach(device_t dev) 536 { 537 int i, j; 538 int ret; 539 char name[2]; 540 struct asmc_softc *sc = device_get_softc(dev); 541 struct sysctl_ctx_list *sysctlctx; 542 struct sysctl_oid *sysctlnode; 543 const struct asmc_model *model; 544 545 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 546 &sc->sc_rid_port, RF_ACTIVE); 547 if (sc->sc_ioport == NULL) { 548 device_printf(dev, "unable to allocate IO port\n"); 549 return (ENOMEM); 550 } 551 552 sysctlctx = device_get_sysctl_ctx(dev); 553 sysctlnode = device_get_sysctl_tree(dev); 554 555 model = asmc_match(dev); 556 557 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 558 559 sc->sc_model = model; 560 asmc_init(dev); 561 562 /* 563 * dev.asmc.n.fan.* tree. 564 */ 565 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 566 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 567 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 568 569 for (i = 1; i <= sc->sc_nfan; i++) { 570 j = i - 1; 571 name[0] = '0' + j; 572 name[1] = 0; 573 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 574 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 575 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 576 "Fan Subtree"); 577 578 SYSCTL_ADD_PROC(sysctlctx, 579 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 580 OID_AUTO, "id", 581 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 582 dev, j, model->smc_fan_id, "I", 583 "Fan ID"); 584 585 SYSCTL_ADD_PROC(sysctlctx, 586 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 587 OID_AUTO, "speed", 588 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 589 dev, j, model->smc_fan_speed, "I", 590 "Fan speed in RPM"); 591 592 SYSCTL_ADD_PROC(sysctlctx, 593 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 594 OID_AUTO, "safespeed", 595 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 596 dev, j, model->smc_fan_safespeed, "I", 597 "Fan safe speed in RPM"); 598 599 SYSCTL_ADD_PROC(sysctlctx, 600 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 601 OID_AUTO, "minspeed", 602 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 603 dev, j, model->smc_fan_minspeed, "I", 604 "Fan minimum speed in RPM"); 605 606 SYSCTL_ADD_PROC(sysctlctx, 607 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 608 OID_AUTO, "maxspeed", 609 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 610 dev, j, model->smc_fan_maxspeed, "I", 611 "Fan maximum speed in RPM"); 612 613 SYSCTL_ADD_PROC(sysctlctx, 614 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 615 OID_AUTO, "targetspeed", 616 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 617 dev, j, model->smc_fan_targetspeed, "I", 618 "Fan target speed in RPM"); 619 } 620 621 /* 622 * dev.asmc.n.temp tree. 623 */ 624 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 625 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 626 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 627 628 for (i = 0; model->smc_temps[i]; i++) { 629 SYSCTL_ADD_PROC(sysctlctx, 630 SYSCTL_CHILDREN(sc->sc_temp_tree), 631 OID_AUTO, model->smc_tempnames[i], 632 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 633 dev, i, asmc_temp_sysctl, "I", 634 model->smc_tempdescs[i]); 635 } 636 637 /* 638 * dev.asmc.n.light 639 */ 640 if (model->smc_light_left) { 641 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 642 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 643 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 644 "Keyboard backlight sensors"); 645 646 SYSCTL_ADD_PROC(sysctlctx, 647 SYSCTL_CHILDREN(sc->sc_light_tree), 648 OID_AUTO, "left", 649 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 650 dev, 0, model->smc_light_left, "I", 651 "Keyboard backlight left sensor"); 652 653 SYSCTL_ADD_PROC(sysctlctx, 654 SYSCTL_CHILDREN(sc->sc_light_tree), 655 OID_AUTO, "right", 656 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 657 dev, 0, model->smc_light_right, "I", 658 "Keyboard backlight right sensor"); 659 660 SYSCTL_ADD_PROC(sysctlctx, 661 SYSCTL_CHILDREN(sc->sc_light_tree), 662 OID_AUTO, "control", 663 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | 664 CTLFLAG_NEEDGIANT, dev, 0, 665 model->smc_light_control, "I", 666 "Keyboard backlight brightness control"); 667 } 668 669 if (model->smc_sms_x == NULL) 670 goto nosms; 671 672 /* 673 * dev.asmc.n.sms tree. 674 */ 675 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 676 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 677 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 678 679 SYSCTL_ADD_PROC(sysctlctx, 680 SYSCTL_CHILDREN(sc->sc_sms_tree), 681 OID_AUTO, "x", 682 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 683 dev, 0, model->smc_sms_x, "I", 684 "Sudden Motion Sensor X value"); 685 686 SYSCTL_ADD_PROC(sysctlctx, 687 SYSCTL_CHILDREN(sc->sc_sms_tree), 688 OID_AUTO, "y", 689 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 690 dev, 0, model->smc_sms_y, "I", 691 "Sudden Motion Sensor Y value"); 692 693 SYSCTL_ADD_PROC(sysctlctx, 694 SYSCTL_CHILDREN(sc->sc_sms_tree), 695 OID_AUTO, "z", 696 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 697 dev, 0, model->smc_sms_z, "I", 698 "Sudden Motion Sensor Z value"); 699 700 /* 701 * Need a taskqueue to send devctl_notify() events 702 * when the SMS interrupt us. 703 * 704 * PI_REALTIME is used due to the sensitivity of the 705 * interrupt. An interrupt from the SMS means that the 706 * disk heads should be turned off as quickly as possible. 707 * 708 * We only need to do this for the non INTR_FILTER case. 709 */ 710 sc->sc_sms_tq = NULL; 711 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 712 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 713 taskqueue_thread_enqueue, &sc->sc_sms_tq); 714 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 715 device_get_nameunit(dev)); 716 /* 717 * Allocate an IRQ for the SMS. 718 */ 719 sc->sc_rid_irq = 0; 720 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 721 &sc->sc_rid_irq, RF_ACTIVE); 722 if (sc->sc_irq == NULL) { 723 device_printf(dev, "unable to allocate IRQ resource\n"); 724 ret = ENXIO; 725 goto err2; 726 } 727 728 ret = bus_setup_intr(dev, sc->sc_irq, 729 INTR_TYPE_MISC | INTR_MPSAFE, 730 asmc_sms_intrfast, NULL, 731 dev, &sc->sc_cookie); 732 733 if (ret) { 734 device_printf(dev, "unable to setup SMS IRQ\n"); 735 goto err1; 736 } 737 nosms: 738 return (0); 739 err1: 740 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 741 err2: 742 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 743 sc->sc_ioport); 744 mtx_destroy(&sc->sc_mtx); 745 if (sc->sc_sms_tq) 746 taskqueue_free(sc->sc_sms_tq); 747 748 return (ret); 749 } 750 751 static int 752 asmc_detach(device_t dev) 753 { 754 struct asmc_softc *sc = device_get_softc(dev); 755 756 if (sc->sc_sms_tq) { 757 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 758 taskqueue_free(sc->sc_sms_tq); 759 } 760 if (sc->sc_cookie) 761 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 762 if (sc->sc_irq) 763 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 764 sc->sc_irq); 765 if (sc->sc_ioport) 766 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 767 sc->sc_ioport); 768 mtx_destroy(&sc->sc_mtx); 769 770 return (0); 771 } 772 773 static int 774 asmc_resume(device_t dev) 775 { 776 uint8_t buf[2]; 777 buf[0] = light_control; 778 buf[1] = 0x00; 779 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 780 return (0); 781 } 782 783 #ifdef DEBUG 784 void asmc_dumpall(device_t dev) 785 { 786 int i; 787 788 /* XXX magic number */ 789 for (i=0; i < 0x100; i++) 790 asmc_key_dump(dev, i); 791 } 792 #endif 793 794 static int 795 asmc_init(device_t dev) 796 { 797 struct asmc_softc *sc = device_get_softc(dev); 798 int i, error = 1; 799 uint8_t buf[4]; 800 801 if (sc->sc_model->smc_sms_x == NULL) 802 goto nosms; 803 804 /* 805 * We are ready to receive interrupts from the SMS. 806 */ 807 buf[0] = 0x01; 808 ASMC_DPRINTF(("intok key\n")); 809 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 810 DELAY(50); 811 812 /* 813 * Initiate the polling intervals. 814 */ 815 buf[0] = 20; /* msecs */ 816 ASMC_DPRINTF(("low int key\n")); 817 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 818 DELAY(200); 819 820 buf[0] = 20; /* msecs */ 821 ASMC_DPRINTF(("high int key\n")); 822 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 823 DELAY(200); 824 825 buf[0] = 0x00; 826 buf[1] = 0x60; 827 ASMC_DPRINTF(("sms low key\n")); 828 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 829 DELAY(200); 830 831 buf[0] = 0x01; 832 buf[1] = 0xc0; 833 ASMC_DPRINTF(("sms high key\n")); 834 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 835 DELAY(200); 836 837 /* 838 * I'm not sure what this key does, but it seems to be 839 * required. 840 */ 841 buf[0] = 0x01; 842 ASMC_DPRINTF(("sms flag key\n")); 843 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 844 DELAY(100); 845 846 sc->sc_sms_intr_works = 0; 847 848 /* 849 * Retry SMS initialization 1000 times 850 * (takes approx. 2 seconds in worst case) 851 */ 852 for (i = 0; i < 1000; i++) { 853 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 854 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 855 error = 0; 856 sc->sc_sms_intr_works = 1; 857 goto out; 858 } 859 buf[0] = ASMC_SMS_INIT1; 860 buf[1] = ASMC_SMS_INIT2; 861 ASMC_DPRINTF(("sms key\n")); 862 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 863 DELAY(50); 864 } 865 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 866 867 out: 868 asmc_sms_calibrate(dev); 869 nosms: 870 sc->sc_nfan = asmc_fan_count(dev); 871 if (sc->sc_nfan > ASMC_MAXFANS) { 872 device_printf(dev, "more than %d fans were detected. Please " 873 "report this.\n", ASMC_MAXFANS); 874 sc->sc_nfan = ASMC_MAXFANS; 875 } 876 877 if (bootverbose) { 878 /* 879 * The number of keys is a 32 bit buffer 880 */ 881 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 882 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf)); 883 } 884 885 #ifdef DEBUG 886 asmc_dumpall(dev); 887 #endif 888 889 return (error); 890 } 891 892 /* 893 * We need to make sure that the SMC acks the byte sent. 894 * Just wait up to (amount * 10) ms. 895 */ 896 static int 897 asmc_wait_ack(device_t dev, uint8_t val, int amount) 898 { 899 struct asmc_softc *sc = device_get_softc(dev); 900 u_int i; 901 902 val = val & ASMC_STATUS_MASK; 903 904 for (i = 0; i < amount; i++) { 905 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 906 return (0); 907 DELAY(10); 908 } 909 910 return (1); 911 } 912 913 /* 914 * We need to make sure that the SMC acks the byte sent. 915 * Just wait up to 100 ms. 916 */ 917 static int 918 asmc_wait(device_t dev, uint8_t val) 919 { 920 #ifdef DEBUG 921 struct asmc_softc *sc; 922 #endif 923 924 if (asmc_wait_ack(dev, val, 1000) == 0) 925 return (0); 926 927 #ifdef DEBUG 928 sc = device_get_softc(dev); 929 #endif 930 val = val & ASMC_STATUS_MASK; 931 932 #ifdef DEBUG 933 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 934 ASMC_CMDPORT_READ(sc)); 935 #endif 936 return (1); 937 } 938 939 /* 940 * Send the given command, retrying up to 10 times if 941 * the acknowledgement fails. 942 */ 943 static int 944 asmc_command(device_t dev, uint8_t command) { 945 int i; 946 struct asmc_softc *sc = device_get_softc(dev); 947 948 for (i=0; i < 10; i++) { 949 ASMC_CMDPORT_WRITE(sc, command); 950 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 951 return (0); 952 } 953 } 954 955 #ifdef DEBUG 956 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 957 ASMC_CMDPORT_READ(sc)); 958 #endif 959 return (1); 960 } 961 962 static int 963 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 964 { 965 int i, error = 1, try = 0; 966 struct asmc_softc *sc = device_get_softc(dev); 967 968 mtx_lock_spin(&sc->sc_mtx); 969 970 begin: 971 if (asmc_command(dev, ASMC_CMDREAD)) 972 goto out; 973 974 for (i = 0; i < 4; i++) { 975 ASMC_DATAPORT_WRITE(sc, key[i]); 976 if (asmc_wait(dev, 0x04)) 977 goto out; 978 } 979 980 ASMC_DATAPORT_WRITE(sc, len); 981 982 for (i = 0; i < len; i++) { 983 if (asmc_wait(dev, 0x05)) 984 goto out; 985 buf[i] = ASMC_DATAPORT_READ(sc); 986 } 987 988 error = 0; 989 out: 990 if (error) { 991 if (++try < 10) goto begin; 992 device_printf(dev,"%s for key %s failed %d times, giving up\n", 993 __func__, key, try); 994 } 995 996 mtx_unlock_spin(&sc->sc_mtx); 997 998 return (error); 999 } 1000 1001 #ifdef DEBUG 1002 static int 1003 asmc_key_dump(device_t dev, int number) 1004 { 1005 struct asmc_softc *sc = device_get_softc(dev); 1006 char key[5] = { 0 }; 1007 char type[7] = { 0 }; 1008 uint8_t index[4]; 1009 uint8_t v[32]; 1010 uint8_t maxlen; 1011 int i, error = 1, try = 0; 1012 1013 mtx_lock_spin(&sc->sc_mtx); 1014 1015 index[0] = (number >> 24) & 0xff; 1016 index[1] = (number >> 16) & 0xff; 1017 index[2] = (number >> 8) & 0xff; 1018 index[3] = (number) & 0xff; 1019 1020 begin: 1021 if (asmc_command(dev, 0x12)) 1022 goto out; 1023 1024 for (i = 0; i < 4; i++) { 1025 ASMC_DATAPORT_WRITE(sc, index[i]); 1026 if (asmc_wait(dev, 0x04)) 1027 goto out; 1028 } 1029 1030 ASMC_DATAPORT_WRITE(sc, 4); 1031 1032 for (i = 0; i < 4; i++) { 1033 if (asmc_wait(dev, 0x05)) 1034 goto out; 1035 key[i] = ASMC_DATAPORT_READ(sc); 1036 } 1037 1038 /* get type */ 1039 if (asmc_command(dev, 0x13)) 1040 goto out; 1041 1042 for (i = 0; i < 4; i++) { 1043 ASMC_DATAPORT_WRITE(sc, key[i]); 1044 if (asmc_wait(dev, 0x04)) 1045 goto out; 1046 } 1047 1048 ASMC_DATAPORT_WRITE(sc, 6); 1049 1050 for (i = 0; i < 6; i++) { 1051 if (asmc_wait(dev, 0x05)) 1052 goto out; 1053 type[i] = ASMC_DATAPORT_READ(sc); 1054 } 1055 1056 error = 0; 1057 out: 1058 if (error) { 1059 if (++try < 10) goto begin; 1060 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1061 __func__, key, try); 1062 mtx_unlock_spin(&sc->sc_mtx); 1063 } 1064 else { 1065 char buf[1024]; 1066 char buf2[8]; 1067 mtx_unlock_spin(&sc->sc_mtx); 1068 maxlen = type[0]; 1069 type[0] = ' '; 1070 type[5] = 0; 1071 if (maxlen > sizeof(v)) { 1072 device_printf(dev, 1073 "WARNING: cropping maxlen from %d to %zu\n", 1074 maxlen, sizeof(v)); 1075 maxlen = sizeof(v); 1076 } 1077 for (i = 0; i < sizeof(v); i++) { 1078 v[i] = 0; 1079 } 1080 asmc_key_read(dev, key, v, maxlen); 1081 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 1082 "(len %d), data", number, key, type, maxlen); 1083 for (i = 0; i < maxlen; i++) { 1084 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1085 strlcat(buf, buf2, sizeof(buf)); 1086 } 1087 strlcat(buf, " \n", sizeof(buf)); 1088 device_printf(dev, "%s", buf); 1089 } 1090 1091 return (error); 1092 } 1093 #endif 1094 1095 static int 1096 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1097 { 1098 int i, error = -1, try = 0; 1099 struct asmc_softc *sc = device_get_softc(dev); 1100 1101 mtx_lock_spin(&sc->sc_mtx); 1102 1103 begin: 1104 ASMC_DPRINTF(("cmd port: cmd write\n")); 1105 if (asmc_command(dev, ASMC_CMDWRITE)) 1106 goto out; 1107 1108 ASMC_DPRINTF(("data port: key\n")); 1109 for (i = 0; i < 4; i++) { 1110 ASMC_DATAPORT_WRITE(sc, key[i]); 1111 if (asmc_wait(dev, 0x04)) 1112 goto out; 1113 } 1114 ASMC_DPRINTF(("data port: length\n")); 1115 ASMC_DATAPORT_WRITE(sc, len); 1116 1117 ASMC_DPRINTF(("data port: buffer\n")); 1118 for (i = 0; i < len; i++) { 1119 if (asmc_wait(dev, 0x04)) 1120 goto out; 1121 ASMC_DATAPORT_WRITE(sc, buf[i]); 1122 } 1123 1124 error = 0; 1125 out: 1126 if (error) { 1127 if (++try < 10) goto begin; 1128 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1129 __func__, key, try); 1130 } 1131 1132 mtx_unlock_spin(&sc->sc_mtx); 1133 1134 return (error); 1135 1136 } 1137 1138 /* 1139 * Fan control functions. 1140 */ 1141 static int 1142 asmc_fan_count(device_t dev) 1143 { 1144 uint8_t buf[1]; 1145 1146 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) != 0) 1147 return (-1); 1148 1149 return (buf[0]); 1150 } 1151 1152 static int 1153 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1154 { 1155 int speed; 1156 uint8_t buf[2]; 1157 char fankey[5]; 1158 1159 snprintf(fankey, sizeof(fankey), key, fan); 1160 if (asmc_key_read(dev, fankey, buf, sizeof buf) != 0) 1161 return (-1); 1162 speed = (buf[0] << 6) | (buf[1] >> 2); 1163 1164 return (speed); 1165 } 1166 1167 static char* 1168 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen) 1169 { 1170 char fankey[5]; 1171 char* desc; 1172 1173 snprintf(fankey, sizeof(fankey), key, fan); 1174 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1175 return (NULL); 1176 desc = buf+4; 1177 1178 return (desc); 1179 } 1180 1181 static int 1182 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1183 { 1184 uint8_t buf[2]; 1185 char fankey[5]; 1186 1187 speed *= 4; 1188 1189 buf[0] = speed>>8; 1190 buf[1] = speed; 1191 1192 snprintf(fankey, sizeof(fankey), key, fan); 1193 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0) 1194 return (-1); 1195 1196 return (0); 1197 } 1198 1199 static int 1200 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1201 { 1202 device_t dev = (device_t) arg1; 1203 int fan = arg2; 1204 int error; 1205 int32_t v; 1206 1207 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1208 error = sysctl_handle_int(oidp, &v, 0, req); 1209 1210 return (error); 1211 } 1212 1213 static int 1214 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1215 { 1216 uint8_t buf[16]; 1217 device_t dev = (device_t) arg1; 1218 int fan = arg2; 1219 int error = true; 1220 char* desc; 1221 1222 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1223 1224 if (desc != NULL) 1225 error = sysctl_handle_string(oidp, desc, 0, req); 1226 1227 return (error); 1228 } 1229 1230 static int 1231 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1232 { 1233 device_t dev = (device_t) arg1; 1234 int fan = arg2; 1235 int error; 1236 int32_t v; 1237 1238 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1239 error = sysctl_handle_int(oidp, &v, 0, req); 1240 1241 return (error); 1242 } 1243 1244 static int 1245 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1246 { 1247 device_t dev = (device_t) arg1; 1248 int fan = arg2; 1249 int error; 1250 int32_t v; 1251 1252 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1253 error = sysctl_handle_int(oidp, &v, 0, req); 1254 1255 if (error == 0 && req->newptr != NULL) { 1256 unsigned int newspeed = v; 1257 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1258 } 1259 1260 return (error); 1261 } 1262 1263 static int 1264 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 1265 { 1266 device_t dev = (device_t) arg1; 1267 int fan = arg2; 1268 int error; 1269 int32_t v; 1270 1271 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 1272 error = sysctl_handle_int(oidp, &v, 0, req); 1273 1274 if (error == 0 && req->newptr != NULL) { 1275 unsigned int newspeed = v; 1276 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1277 } 1278 1279 return (error); 1280 } 1281 1282 static int 1283 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1284 { 1285 device_t dev = (device_t) arg1; 1286 int fan = arg2; 1287 int error; 1288 int32_t v; 1289 1290 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1291 error = sysctl_handle_int(oidp, &v, 0, req); 1292 1293 if (error == 0 && req->newptr != NULL) { 1294 unsigned int newspeed = v; 1295 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1296 } 1297 1298 return (error); 1299 } 1300 1301 /* 1302 * Temperature functions. 1303 */ 1304 static int 1305 asmc_temp_getvalue(device_t dev, const char *key) 1306 { 1307 uint8_t buf[2]; 1308 1309 /* 1310 * Check for invalid temperatures. 1311 */ 1312 if (asmc_key_read(dev, key, buf, sizeof buf) != 0) 1313 return (-1); 1314 1315 return (buf[0]); 1316 } 1317 1318 static int 1319 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1320 { 1321 device_t dev = (device_t) arg1; 1322 struct asmc_softc *sc = device_get_softc(dev); 1323 int error, val; 1324 1325 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1326 error = sysctl_handle_int(oidp, &val, 0, req); 1327 1328 return (error); 1329 } 1330 1331 /* 1332 * Sudden Motion Sensor functions. 1333 */ 1334 static int 1335 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1336 { 1337 uint8_t buf[2]; 1338 int error; 1339 1340 /* no need to do locking here as asmc_key_read() already does it */ 1341 switch (key[3]) { 1342 case 'X': 1343 case 'Y': 1344 case 'Z': 1345 error = asmc_key_read(dev, key, buf, sizeof buf); 1346 break; 1347 default: 1348 device_printf(dev, "%s called with invalid argument %s\n", 1349 __func__, key); 1350 error = 1; 1351 goto out; 1352 } 1353 *val = ((int16_t)buf[0] << 8) | buf[1]; 1354 out: 1355 return (error); 1356 } 1357 1358 static void 1359 asmc_sms_calibrate(device_t dev) 1360 { 1361 struct asmc_softc *sc = device_get_softc(dev); 1362 1363 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1364 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1365 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1366 } 1367 1368 static int 1369 asmc_sms_intrfast(void *arg) 1370 { 1371 uint8_t type; 1372 device_t dev = (device_t) arg; 1373 struct asmc_softc *sc = device_get_softc(dev); 1374 if (!sc->sc_sms_intr_works) 1375 return (FILTER_HANDLED); 1376 1377 mtx_lock_spin(&sc->sc_mtx); 1378 type = ASMC_INTPORT_READ(sc); 1379 mtx_unlock_spin(&sc->sc_mtx); 1380 1381 sc->sc_sms_intrtype = type; 1382 asmc_sms_printintr(dev, type); 1383 1384 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1385 return (FILTER_HANDLED); 1386 } 1387 1388 static void 1389 asmc_sms_printintr(device_t dev, uint8_t type) 1390 { 1391 struct asmc_softc *sc = device_get_softc(dev); 1392 1393 switch (type) { 1394 case ASMC_SMS_INTFF: 1395 device_printf(dev, "WARNING: possible free fall!\n"); 1396 break; 1397 case ASMC_SMS_INTHA: 1398 device_printf(dev, "WARNING: high acceleration detected!\n"); 1399 break; 1400 case ASMC_SMS_INTSH: 1401 device_printf(dev, "WARNING: possible shock!\n"); 1402 break; 1403 case ASMC_ALSL_INT2A: 1404 /* 1405 * This suppresses console and log messages for the ambient 1406 * light sensor for models known to generate this interrupt. 1407 */ 1408 if (strcmp(sc->sc_model->smc_model, "MacBookPro5,5") == 0 || 1409 strcmp(sc->sc_model->smc_model, "MacBookPro6,2") == 0) 1410 break; 1411 /* FALLTHROUGH */ 1412 default: 1413 device_printf(dev, "unknown interrupt: 0x%x\n", type); 1414 } 1415 } 1416 1417 static void 1418 asmc_sms_task(void *arg, int pending) 1419 { 1420 struct asmc_softc *sc = (struct asmc_softc *)arg; 1421 char notify[16]; 1422 int type; 1423 1424 switch (sc->sc_sms_intrtype) { 1425 case ASMC_SMS_INTFF: 1426 type = 2; 1427 break; 1428 case ASMC_SMS_INTHA: 1429 type = 1; 1430 break; 1431 case ASMC_SMS_INTSH: 1432 type = 0; 1433 break; 1434 default: 1435 type = 255; 1436 } 1437 1438 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1439 devctl_notify("ACPI", "asmc", "SMS", notify); 1440 } 1441 1442 static int 1443 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1444 { 1445 device_t dev = (device_t) arg1; 1446 int error; 1447 int16_t val; 1448 int32_t v; 1449 1450 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1451 v = (int32_t) val; 1452 error = sysctl_handle_int(oidp, &v, 0, req); 1453 1454 return (error); 1455 } 1456 1457 static int 1458 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1459 { 1460 device_t dev = (device_t) arg1; 1461 int error; 1462 int16_t val; 1463 int32_t v; 1464 1465 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1466 v = (int32_t) val; 1467 error = sysctl_handle_int(oidp, &v, 0, req); 1468 1469 return (error); 1470 } 1471 1472 static int 1473 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1474 { 1475 device_t dev = (device_t) arg1; 1476 int error; 1477 int16_t val; 1478 int32_t v; 1479 1480 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1481 v = (int32_t) val; 1482 error = sysctl_handle_int(oidp, &v, 0, req); 1483 1484 return (error); 1485 } 1486 1487 static int 1488 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1489 { 1490 device_t dev = (device_t) arg1; 1491 uint8_t buf[6]; 1492 int error; 1493 int32_t v; 1494 1495 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf); 1496 v = buf[2]; 1497 error = sysctl_handle_int(oidp, &v, 0, req); 1498 1499 return (error); 1500 } 1501 1502 static int 1503 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1504 { 1505 device_t dev = (device_t) arg1; 1506 uint8_t buf[6]; 1507 int error; 1508 int32_t v; 1509 1510 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf); 1511 v = buf[2]; 1512 error = sysctl_handle_int(oidp, &v, 0, req); 1513 1514 return (error); 1515 } 1516 1517 static int 1518 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1519 { 1520 device_t dev = (device_t) arg1; 1521 uint8_t buf[2]; 1522 int error; 1523 int v; 1524 1525 v = light_control; 1526 error = sysctl_handle_int(oidp, &v, 0, req); 1527 1528 if (error == 0 && req->newptr != NULL) { 1529 if (v < 0 || v > 255) 1530 return (EINVAL); 1531 light_control = v; 1532 buf[0] = light_control; 1533 buf[1] = 0x00; 1534 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 1535 } 1536 return (error); 1537 } 1538