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 "MacBookAir6,2", "Apple SMC MacBook Air 13-inch (Early 2013)", 432 ASMC_SMS_FUNCS_DISABLED, 433 ASMC_FAN_FUNCS2, 434 ASMC_LIGHT_FUNCS, 435 ASMC_MBA6_TEMPS, ASMC_MBA6_TEMPNAMES, ASMC_MBA6_TEMPDESCS 436 }, 437 { 438 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 439 ASMC_SMS_FUNCS_DISABLED, 440 ASMC_FAN_FUNCS2, 441 ASMC_LIGHT_FUNCS, 442 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 443 }, 444 { 445 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 446 ASMC_SMS_FUNCS_DISABLED, 447 ASMC_FAN_FUNCS2, 448 ASMC_LIGHT_FUNCS, 449 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 450 }, 451 { NULL, NULL } 452 }; 453 454 #undef ASMC_SMS_FUNCS 455 #undef ASMC_SMS_FUNCS_DISABLED 456 #undef ASMC_FAN_FUNCS 457 #undef ASMC_FAN_FUNCS2 458 #undef ASMC_LIGHT_FUNCS 459 460 /* 461 * Driver methods. 462 */ 463 static device_method_t asmc_methods[] = { 464 DEVMETHOD(device_probe, asmc_probe), 465 DEVMETHOD(device_attach, asmc_attach), 466 DEVMETHOD(device_detach, asmc_detach), 467 DEVMETHOD(device_resume, asmc_resume), 468 { 0, 0 } 469 }; 470 471 static driver_t asmc_driver = { 472 "asmc", 473 asmc_methods, 474 sizeof(struct asmc_softc) 475 }; 476 477 /* 478 * Debugging 479 */ 480 #define _COMPONENT ACPI_OEM 481 ACPI_MODULE_NAME("ASMC") 482 #ifdef DEBUG 483 #define ASMC_DPRINTF(str) device_printf(dev, str) 484 #else 485 #define ASMC_DPRINTF(str) 486 #endif 487 488 /* NB: can't be const */ 489 static char *asmc_ids[] = { "APP0001", NULL }; 490 491 static unsigned int light_control = 0; 492 493 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); 494 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 495 496 static const struct asmc_model * 497 asmc_match(device_t dev) 498 { 499 int i; 500 char *model; 501 502 model = kern_getenv("smbios.system.product"); 503 if (model == NULL) 504 return (NULL); 505 506 for (i = 0; asmc_models[i].smc_model; i++) { 507 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 508 freeenv(model); 509 return (&asmc_models[i]); 510 } 511 } 512 freeenv(model); 513 514 return (NULL); 515 } 516 517 static int 518 asmc_probe(device_t dev) 519 { 520 const struct asmc_model *model; 521 int rv; 522 523 if (resource_disabled("asmc", 0)) 524 return (ENXIO); 525 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 526 if (rv > 0) 527 return (rv); 528 529 model = asmc_match(dev); 530 if (!model) { 531 device_printf(dev, "model not recognized\n"); 532 return (ENXIO); 533 } 534 device_set_desc(dev, model->smc_desc); 535 536 return (rv); 537 } 538 539 static int 540 asmc_attach(device_t dev) 541 { 542 int i, j; 543 int ret; 544 char name[2]; 545 struct asmc_softc *sc = device_get_softc(dev); 546 struct sysctl_ctx_list *sysctlctx; 547 struct sysctl_oid *sysctlnode; 548 const struct asmc_model *model; 549 550 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 551 &sc->sc_rid_port, RF_ACTIVE); 552 if (sc->sc_ioport == NULL) { 553 device_printf(dev, "unable to allocate IO port\n"); 554 return (ENOMEM); 555 } 556 557 sysctlctx = device_get_sysctl_ctx(dev); 558 sysctlnode = device_get_sysctl_tree(dev); 559 560 model = asmc_match(dev); 561 562 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 563 564 sc->sc_model = model; 565 asmc_init(dev); 566 567 /* 568 * dev.asmc.n.fan.* tree. 569 */ 570 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 571 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 572 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 573 574 for (i = 1; i <= sc->sc_nfan; i++) { 575 j = i - 1; 576 name[0] = '0' + j; 577 name[1] = 0; 578 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 579 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 580 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 581 "Fan Subtree"); 582 583 SYSCTL_ADD_PROC(sysctlctx, 584 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 585 OID_AUTO, "id", 586 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 587 dev, j, model->smc_fan_id, "I", 588 "Fan ID"); 589 590 SYSCTL_ADD_PROC(sysctlctx, 591 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 592 OID_AUTO, "speed", 593 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 594 dev, j, model->smc_fan_speed, "I", 595 "Fan speed in RPM"); 596 597 SYSCTL_ADD_PROC(sysctlctx, 598 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 599 OID_AUTO, "safespeed", 600 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 601 dev, j, model->smc_fan_safespeed, "I", 602 "Fan safe speed in RPM"); 603 604 SYSCTL_ADD_PROC(sysctlctx, 605 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 606 OID_AUTO, "minspeed", 607 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 608 dev, j, model->smc_fan_minspeed, "I", 609 "Fan minimum speed in RPM"); 610 611 SYSCTL_ADD_PROC(sysctlctx, 612 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 613 OID_AUTO, "maxspeed", 614 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 615 dev, j, model->smc_fan_maxspeed, "I", 616 "Fan maximum speed in RPM"); 617 618 SYSCTL_ADD_PROC(sysctlctx, 619 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 620 OID_AUTO, "targetspeed", 621 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 622 dev, j, model->smc_fan_targetspeed, "I", 623 "Fan target speed in RPM"); 624 } 625 626 /* 627 * dev.asmc.n.temp tree. 628 */ 629 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 630 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 631 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 632 633 for (i = 0; model->smc_temps[i]; i++) { 634 SYSCTL_ADD_PROC(sysctlctx, 635 SYSCTL_CHILDREN(sc->sc_temp_tree), 636 OID_AUTO, model->smc_tempnames[i], 637 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 638 dev, i, asmc_temp_sysctl, "I", 639 model->smc_tempdescs[i]); 640 } 641 642 /* 643 * dev.asmc.n.light 644 */ 645 if (model->smc_light_left) { 646 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 647 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 648 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 649 "Keyboard backlight sensors"); 650 651 SYSCTL_ADD_PROC(sysctlctx, 652 SYSCTL_CHILDREN(sc->sc_light_tree), 653 OID_AUTO, "left", 654 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 655 dev, 0, model->smc_light_left, "I", 656 "Keyboard backlight left sensor"); 657 658 SYSCTL_ADD_PROC(sysctlctx, 659 SYSCTL_CHILDREN(sc->sc_light_tree), 660 OID_AUTO, "right", 661 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 662 dev, 0, model->smc_light_right, "I", 663 "Keyboard backlight right sensor"); 664 665 SYSCTL_ADD_PROC(sysctlctx, 666 SYSCTL_CHILDREN(sc->sc_light_tree), 667 OID_AUTO, "control", 668 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | 669 CTLFLAG_NEEDGIANT, dev, 0, 670 model->smc_light_control, "I", 671 "Keyboard backlight brightness control"); 672 } 673 674 if (model->smc_sms_x == NULL) 675 goto nosms; 676 677 /* 678 * dev.asmc.n.sms tree. 679 */ 680 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 681 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 682 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 683 684 SYSCTL_ADD_PROC(sysctlctx, 685 SYSCTL_CHILDREN(sc->sc_sms_tree), 686 OID_AUTO, "x", 687 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 688 dev, 0, model->smc_sms_x, "I", 689 "Sudden Motion Sensor X value"); 690 691 SYSCTL_ADD_PROC(sysctlctx, 692 SYSCTL_CHILDREN(sc->sc_sms_tree), 693 OID_AUTO, "y", 694 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 695 dev, 0, model->smc_sms_y, "I", 696 "Sudden Motion Sensor Y value"); 697 698 SYSCTL_ADD_PROC(sysctlctx, 699 SYSCTL_CHILDREN(sc->sc_sms_tree), 700 OID_AUTO, "z", 701 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 702 dev, 0, model->smc_sms_z, "I", 703 "Sudden Motion Sensor Z value"); 704 705 /* 706 * Need a taskqueue to send devctl_notify() events 707 * when the SMS interrupt us. 708 * 709 * PI_REALTIME is used due to the sensitivity of the 710 * interrupt. An interrupt from the SMS means that the 711 * disk heads should be turned off as quickly as possible. 712 * 713 * We only need to do this for the non INTR_FILTER case. 714 */ 715 sc->sc_sms_tq = NULL; 716 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 717 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 718 taskqueue_thread_enqueue, &sc->sc_sms_tq); 719 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 720 device_get_nameunit(dev)); 721 /* 722 * Allocate an IRQ for the SMS. 723 */ 724 sc->sc_rid_irq = 0; 725 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 726 &sc->sc_rid_irq, RF_ACTIVE); 727 if (sc->sc_irq == NULL) { 728 device_printf(dev, "unable to allocate IRQ resource\n"); 729 ret = ENXIO; 730 goto err2; 731 } 732 733 ret = bus_setup_intr(dev, sc->sc_irq, 734 INTR_TYPE_MISC | INTR_MPSAFE, 735 asmc_sms_intrfast, NULL, 736 dev, &sc->sc_cookie); 737 738 if (ret) { 739 device_printf(dev, "unable to setup SMS IRQ\n"); 740 goto err1; 741 } 742 nosms: 743 return (0); 744 err1: 745 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 746 err2: 747 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 748 sc->sc_ioport); 749 mtx_destroy(&sc->sc_mtx); 750 if (sc->sc_sms_tq) 751 taskqueue_free(sc->sc_sms_tq); 752 753 return (ret); 754 } 755 756 static int 757 asmc_detach(device_t dev) 758 { 759 struct asmc_softc *sc = device_get_softc(dev); 760 761 if (sc->sc_sms_tq) { 762 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 763 taskqueue_free(sc->sc_sms_tq); 764 } 765 if (sc->sc_cookie) 766 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 767 if (sc->sc_irq) 768 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 769 sc->sc_irq); 770 if (sc->sc_ioport) 771 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 772 sc->sc_ioport); 773 mtx_destroy(&sc->sc_mtx); 774 775 return (0); 776 } 777 778 static int 779 asmc_resume(device_t dev) 780 { 781 uint8_t buf[2]; 782 buf[0] = light_control; 783 buf[1] = 0x00; 784 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 785 return (0); 786 } 787 788 #ifdef DEBUG 789 void asmc_dumpall(device_t dev) 790 { 791 int i; 792 793 /* XXX magic number */ 794 for (i=0; i < 0x100; i++) 795 asmc_key_dump(dev, i); 796 } 797 #endif 798 799 static int 800 asmc_init(device_t dev) 801 { 802 struct asmc_softc *sc = device_get_softc(dev); 803 int i, error = 1; 804 uint8_t buf[4]; 805 806 if (sc->sc_model->smc_sms_x == NULL) 807 goto nosms; 808 809 /* 810 * We are ready to receive interrupts from the SMS. 811 */ 812 buf[0] = 0x01; 813 ASMC_DPRINTF(("intok key\n")); 814 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 815 DELAY(50); 816 817 /* 818 * Initiate the polling intervals. 819 */ 820 buf[0] = 20; /* msecs */ 821 ASMC_DPRINTF(("low int key\n")); 822 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 823 DELAY(200); 824 825 buf[0] = 20; /* msecs */ 826 ASMC_DPRINTF(("high int key\n")); 827 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 828 DELAY(200); 829 830 buf[0] = 0x00; 831 buf[1] = 0x60; 832 ASMC_DPRINTF(("sms low key\n")); 833 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 834 DELAY(200); 835 836 buf[0] = 0x01; 837 buf[1] = 0xc0; 838 ASMC_DPRINTF(("sms high key\n")); 839 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 840 DELAY(200); 841 842 /* 843 * I'm not sure what this key does, but it seems to be 844 * required. 845 */ 846 buf[0] = 0x01; 847 ASMC_DPRINTF(("sms flag key\n")); 848 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 849 DELAY(100); 850 851 sc->sc_sms_intr_works = 0; 852 853 /* 854 * Retry SMS initialization 1000 times 855 * (takes approx. 2 seconds in worst case) 856 */ 857 for (i = 0; i < 1000; i++) { 858 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 859 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 860 error = 0; 861 sc->sc_sms_intr_works = 1; 862 goto out; 863 } 864 buf[0] = ASMC_SMS_INIT1; 865 buf[1] = ASMC_SMS_INIT2; 866 ASMC_DPRINTF(("sms key\n")); 867 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 868 DELAY(50); 869 } 870 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 871 872 out: 873 asmc_sms_calibrate(dev); 874 nosms: 875 sc->sc_nfan = asmc_fan_count(dev); 876 if (sc->sc_nfan > ASMC_MAXFANS) { 877 device_printf(dev, "more than %d fans were detected. Please " 878 "report this.\n", ASMC_MAXFANS); 879 sc->sc_nfan = ASMC_MAXFANS; 880 } 881 882 if (bootverbose) { 883 /* 884 * The number of keys is a 32 bit buffer 885 */ 886 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 887 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf)); 888 } 889 890 #ifdef DEBUG 891 asmc_dumpall(dev); 892 #endif 893 894 return (error); 895 } 896 897 /* 898 * We need to make sure that the SMC acks the byte sent. 899 * Just wait up to (amount * 10) ms. 900 */ 901 static int 902 asmc_wait_ack(device_t dev, uint8_t val, int amount) 903 { 904 struct asmc_softc *sc = device_get_softc(dev); 905 u_int i; 906 907 val = val & ASMC_STATUS_MASK; 908 909 for (i = 0; i < amount; i++) { 910 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 911 return (0); 912 DELAY(10); 913 } 914 915 return (1); 916 } 917 918 /* 919 * We need to make sure that the SMC acks the byte sent. 920 * Just wait up to 100 ms. 921 */ 922 static int 923 asmc_wait(device_t dev, uint8_t val) 924 { 925 #ifdef DEBUG 926 struct asmc_softc *sc; 927 #endif 928 929 if (asmc_wait_ack(dev, val, 1000) == 0) 930 return (0); 931 932 #ifdef DEBUG 933 sc = device_get_softc(dev); 934 #endif 935 val = val & ASMC_STATUS_MASK; 936 937 #ifdef DEBUG 938 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 939 ASMC_CMDPORT_READ(sc)); 940 #endif 941 return (1); 942 } 943 944 /* 945 * Send the given command, retrying up to 10 times if 946 * the acknowledgement fails. 947 */ 948 static int 949 asmc_command(device_t dev, uint8_t command) { 950 int i; 951 struct asmc_softc *sc = device_get_softc(dev); 952 953 for (i=0; i < 10; i++) { 954 ASMC_CMDPORT_WRITE(sc, command); 955 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 956 return (0); 957 } 958 } 959 960 #ifdef DEBUG 961 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 962 ASMC_CMDPORT_READ(sc)); 963 #endif 964 return (1); 965 } 966 967 static int 968 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 969 { 970 int i, error = 1, try = 0; 971 struct asmc_softc *sc = device_get_softc(dev); 972 973 mtx_lock_spin(&sc->sc_mtx); 974 975 begin: 976 if (asmc_command(dev, ASMC_CMDREAD)) 977 goto out; 978 979 for (i = 0; i < 4; i++) { 980 ASMC_DATAPORT_WRITE(sc, key[i]); 981 if (asmc_wait(dev, 0x04)) 982 goto out; 983 } 984 985 ASMC_DATAPORT_WRITE(sc, len); 986 987 for (i = 0; i < len; i++) { 988 if (asmc_wait(dev, 0x05)) 989 goto out; 990 buf[i] = ASMC_DATAPORT_READ(sc); 991 } 992 993 error = 0; 994 out: 995 if (error) { 996 if (++try < 10) goto begin; 997 device_printf(dev,"%s for key %s failed %d times, giving up\n", 998 __func__, key, try); 999 } 1000 1001 mtx_unlock_spin(&sc->sc_mtx); 1002 1003 return (error); 1004 } 1005 1006 #ifdef DEBUG 1007 static int 1008 asmc_key_dump(device_t dev, int number) 1009 { 1010 struct asmc_softc *sc = device_get_softc(dev); 1011 char key[5] = { 0 }; 1012 char type[7] = { 0 }; 1013 uint8_t index[4]; 1014 uint8_t v[32]; 1015 uint8_t maxlen; 1016 int i, error = 1, try = 0; 1017 1018 mtx_lock_spin(&sc->sc_mtx); 1019 1020 index[0] = (number >> 24) & 0xff; 1021 index[1] = (number >> 16) & 0xff; 1022 index[2] = (number >> 8) & 0xff; 1023 index[3] = (number) & 0xff; 1024 1025 begin: 1026 if (asmc_command(dev, 0x12)) 1027 goto out; 1028 1029 for (i = 0; i < 4; i++) { 1030 ASMC_DATAPORT_WRITE(sc, index[i]); 1031 if (asmc_wait(dev, 0x04)) 1032 goto out; 1033 } 1034 1035 ASMC_DATAPORT_WRITE(sc, 4); 1036 1037 for (i = 0; i < 4; i++) { 1038 if (asmc_wait(dev, 0x05)) 1039 goto out; 1040 key[i] = ASMC_DATAPORT_READ(sc); 1041 } 1042 1043 /* get type */ 1044 if (asmc_command(dev, 0x13)) 1045 goto out; 1046 1047 for (i = 0; i < 4; i++) { 1048 ASMC_DATAPORT_WRITE(sc, key[i]); 1049 if (asmc_wait(dev, 0x04)) 1050 goto out; 1051 } 1052 1053 ASMC_DATAPORT_WRITE(sc, 6); 1054 1055 for (i = 0; i < 6; i++) { 1056 if (asmc_wait(dev, 0x05)) 1057 goto out; 1058 type[i] = ASMC_DATAPORT_READ(sc); 1059 } 1060 1061 error = 0; 1062 out: 1063 if (error) { 1064 if (++try < 10) goto begin; 1065 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1066 __func__, key, try); 1067 mtx_unlock_spin(&sc->sc_mtx); 1068 } 1069 else { 1070 char buf[1024]; 1071 char buf2[8]; 1072 mtx_unlock_spin(&sc->sc_mtx); 1073 maxlen = type[0]; 1074 type[0] = ' '; 1075 type[5] = 0; 1076 if (maxlen > sizeof(v)) { 1077 device_printf(dev, 1078 "WARNING: cropping maxlen from %d to %zu\n", 1079 maxlen, sizeof(v)); 1080 maxlen = sizeof(v); 1081 } 1082 for (i = 0; i < sizeof(v); i++) { 1083 v[i] = 0; 1084 } 1085 asmc_key_read(dev, key, v, maxlen); 1086 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 1087 "(len %d), data", number, key, type, maxlen); 1088 for (i = 0; i < maxlen; i++) { 1089 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1090 strlcat(buf, buf2, sizeof(buf)); 1091 } 1092 strlcat(buf, " \n", sizeof(buf)); 1093 device_printf(dev, "%s", buf); 1094 } 1095 1096 return (error); 1097 } 1098 #endif 1099 1100 static int 1101 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1102 { 1103 int i, error = -1, try = 0; 1104 struct asmc_softc *sc = device_get_softc(dev); 1105 1106 mtx_lock_spin(&sc->sc_mtx); 1107 1108 begin: 1109 ASMC_DPRINTF(("cmd port: cmd write\n")); 1110 if (asmc_command(dev, ASMC_CMDWRITE)) 1111 goto out; 1112 1113 ASMC_DPRINTF(("data port: key\n")); 1114 for (i = 0; i < 4; i++) { 1115 ASMC_DATAPORT_WRITE(sc, key[i]); 1116 if (asmc_wait(dev, 0x04)) 1117 goto out; 1118 } 1119 ASMC_DPRINTF(("data port: length\n")); 1120 ASMC_DATAPORT_WRITE(sc, len); 1121 1122 ASMC_DPRINTF(("data port: buffer\n")); 1123 for (i = 0; i < len; i++) { 1124 if (asmc_wait(dev, 0x04)) 1125 goto out; 1126 ASMC_DATAPORT_WRITE(sc, buf[i]); 1127 } 1128 1129 error = 0; 1130 out: 1131 if (error) { 1132 if (++try < 10) goto begin; 1133 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1134 __func__, key, try); 1135 } 1136 1137 mtx_unlock_spin(&sc->sc_mtx); 1138 1139 return (error); 1140 1141 } 1142 1143 /* 1144 * Fan control functions. 1145 */ 1146 static int 1147 asmc_fan_count(device_t dev) 1148 { 1149 uint8_t buf[1]; 1150 1151 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) != 0) 1152 return (-1); 1153 1154 return (buf[0]); 1155 } 1156 1157 static int 1158 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1159 { 1160 int speed; 1161 uint8_t buf[2]; 1162 char fankey[5]; 1163 1164 snprintf(fankey, sizeof(fankey), key, fan); 1165 if (asmc_key_read(dev, fankey, buf, sizeof buf) != 0) 1166 return (-1); 1167 speed = (buf[0] << 6) | (buf[1] >> 2); 1168 1169 return (speed); 1170 } 1171 1172 static char* 1173 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen) 1174 { 1175 char fankey[5]; 1176 char* desc; 1177 1178 snprintf(fankey, sizeof(fankey), key, fan); 1179 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1180 return (NULL); 1181 desc = buf+4; 1182 1183 return (desc); 1184 } 1185 1186 static int 1187 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1188 { 1189 uint8_t buf[2]; 1190 char fankey[5]; 1191 1192 speed *= 4; 1193 1194 buf[0] = speed>>8; 1195 buf[1] = speed; 1196 1197 snprintf(fankey, sizeof(fankey), key, fan); 1198 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0) 1199 return (-1); 1200 1201 return (0); 1202 } 1203 1204 static int 1205 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1206 { 1207 device_t dev = (device_t) arg1; 1208 int fan = arg2; 1209 int error; 1210 int32_t v; 1211 1212 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1213 error = sysctl_handle_int(oidp, &v, 0, req); 1214 1215 return (error); 1216 } 1217 1218 static int 1219 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1220 { 1221 uint8_t buf[16]; 1222 device_t dev = (device_t) arg1; 1223 int fan = arg2; 1224 int error = true; 1225 char* desc; 1226 1227 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1228 1229 if (desc != NULL) 1230 error = sysctl_handle_string(oidp, desc, 0, req); 1231 1232 return (error); 1233 } 1234 1235 static int 1236 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1237 { 1238 device_t dev = (device_t) arg1; 1239 int fan = arg2; 1240 int error; 1241 int32_t v; 1242 1243 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1244 error = sysctl_handle_int(oidp, &v, 0, req); 1245 1246 return (error); 1247 } 1248 1249 static int 1250 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1251 { 1252 device_t dev = (device_t) arg1; 1253 int fan = arg2; 1254 int error; 1255 int32_t v; 1256 1257 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1258 error = sysctl_handle_int(oidp, &v, 0, req); 1259 1260 if (error == 0 && req->newptr != NULL) { 1261 unsigned int newspeed = v; 1262 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1263 } 1264 1265 return (error); 1266 } 1267 1268 static int 1269 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 1270 { 1271 device_t dev = (device_t) arg1; 1272 int fan = arg2; 1273 int error; 1274 int32_t v; 1275 1276 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 1277 error = sysctl_handle_int(oidp, &v, 0, req); 1278 1279 if (error == 0 && req->newptr != NULL) { 1280 unsigned int newspeed = v; 1281 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1282 } 1283 1284 return (error); 1285 } 1286 1287 static int 1288 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1289 { 1290 device_t dev = (device_t) arg1; 1291 int fan = arg2; 1292 int error; 1293 int32_t v; 1294 1295 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1296 error = sysctl_handle_int(oidp, &v, 0, req); 1297 1298 if (error == 0 && req->newptr != NULL) { 1299 unsigned int newspeed = v; 1300 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1301 } 1302 1303 return (error); 1304 } 1305 1306 /* 1307 * Temperature functions. 1308 */ 1309 static int 1310 asmc_temp_getvalue(device_t dev, const char *key) 1311 { 1312 uint8_t buf[2]; 1313 1314 /* 1315 * Check for invalid temperatures. 1316 */ 1317 if (asmc_key_read(dev, key, buf, sizeof buf) != 0) 1318 return (-1); 1319 1320 return (buf[0]); 1321 } 1322 1323 static int 1324 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1325 { 1326 device_t dev = (device_t) arg1; 1327 struct asmc_softc *sc = device_get_softc(dev); 1328 int error, val; 1329 1330 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1331 error = sysctl_handle_int(oidp, &val, 0, req); 1332 1333 return (error); 1334 } 1335 1336 /* 1337 * Sudden Motion Sensor functions. 1338 */ 1339 static int 1340 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1341 { 1342 uint8_t buf[2]; 1343 int error; 1344 1345 /* no need to do locking here as asmc_key_read() already does it */ 1346 switch (key[3]) { 1347 case 'X': 1348 case 'Y': 1349 case 'Z': 1350 error = asmc_key_read(dev, key, buf, sizeof buf); 1351 break; 1352 default: 1353 device_printf(dev, "%s called with invalid argument %s\n", 1354 __func__, key); 1355 error = 1; 1356 goto out; 1357 } 1358 *val = ((int16_t)buf[0] << 8) | buf[1]; 1359 out: 1360 return (error); 1361 } 1362 1363 static void 1364 asmc_sms_calibrate(device_t dev) 1365 { 1366 struct asmc_softc *sc = device_get_softc(dev); 1367 1368 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1369 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1370 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1371 } 1372 1373 static int 1374 asmc_sms_intrfast(void *arg) 1375 { 1376 uint8_t type; 1377 device_t dev = (device_t) arg; 1378 struct asmc_softc *sc = device_get_softc(dev); 1379 if (!sc->sc_sms_intr_works) 1380 return (FILTER_HANDLED); 1381 1382 mtx_lock_spin(&sc->sc_mtx); 1383 type = ASMC_INTPORT_READ(sc); 1384 mtx_unlock_spin(&sc->sc_mtx); 1385 1386 sc->sc_sms_intrtype = type; 1387 asmc_sms_printintr(dev, type); 1388 1389 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1390 return (FILTER_HANDLED); 1391 } 1392 1393 static void 1394 asmc_sms_printintr(device_t dev, uint8_t type) 1395 { 1396 struct asmc_softc *sc = device_get_softc(dev); 1397 1398 switch (type) { 1399 case ASMC_SMS_INTFF: 1400 device_printf(dev, "WARNING: possible free fall!\n"); 1401 break; 1402 case ASMC_SMS_INTHA: 1403 device_printf(dev, "WARNING: high acceleration detected!\n"); 1404 break; 1405 case ASMC_SMS_INTSH: 1406 device_printf(dev, "WARNING: possible shock!\n"); 1407 break; 1408 case ASMC_ALSL_INT2A: 1409 /* 1410 * This suppresses console and log messages for the ambient 1411 * light sensor for models known to generate this interrupt. 1412 */ 1413 if (strcmp(sc->sc_model->smc_model, "MacBookPro5,5") == 0 || 1414 strcmp(sc->sc_model->smc_model, "MacBookPro6,2") == 0) 1415 break; 1416 /* FALLTHROUGH */ 1417 default: 1418 device_printf(dev, "unknown interrupt: 0x%x\n", type); 1419 } 1420 } 1421 1422 static void 1423 asmc_sms_task(void *arg, int pending) 1424 { 1425 struct asmc_softc *sc = (struct asmc_softc *)arg; 1426 char notify[16]; 1427 int type; 1428 1429 switch (sc->sc_sms_intrtype) { 1430 case ASMC_SMS_INTFF: 1431 type = 2; 1432 break; 1433 case ASMC_SMS_INTHA: 1434 type = 1; 1435 break; 1436 case ASMC_SMS_INTSH: 1437 type = 0; 1438 break; 1439 default: 1440 type = 255; 1441 } 1442 1443 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1444 devctl_notify("ACPI", "asmc", "SMS", notify); 1445 } 1446 1447 static int 1448 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1449 { 1450 device_t dev = (device_t) arg1; 1451 int error; 1452 int16_t val; 1453 int32_t v; 1454 1455 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1456 v = (int32_t) val; 1457 error = sysctl_handle_int(oidp, &v, 0, req); 1458 1459 return (error); 1460 } 1461 1462 static int 1463 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1464 { 1465 device_t dev = (device_t) arg1; 1466 int error; 1467 int16_t val; 1468 int32_t v; 1469 1470 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1471 v = (int32_t) val; 1472 error = sysctl_handle_int(oidp, &v, 0, req); 1473 1474 return (error); 1475 } 1476 1477 static int 1478 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1479 { 1480 device_t dev = (device_t) arg1; 1481 int error; 1482 int16_t val; 1483 int32_t v; 1484 1485 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1486 v = (int32_t) val; 1487 error = sysctl_handle_int(oidp, &v, 0, req); 1488 1489 return (error); 1490 } 1491 1492 static int 1493 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1494 { 1495 device_t dev = (device_t) arg1; 1496 uint8_t buf[6]; 1497 int error; 1498 int32_t v; 1499 1500 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf); 1501 v = buf[2]; 1502 error = sysctl_handle_int(oidp, &v, 0, req); 1503 1504 return (error); 1505 } 1506 1507 static int 1508 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1509 { 1510 device_t dev = (device_t) arg1; 1511 uint8_t buf[6]; 1512 int error; 1513 int32_t v; 1514 1515 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf); 1516 v = buf[2]; 1517 error = sysctl_handle_int(oidp, &v, 0, req); 1518 1519 return (error); 1520 } 1521 1522 static int 1523 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1524 { 1525 device_t dev = (device_t) arg1; 1526 uint8_t buf[2]; 1527 int error; 1528 int v; 1529 1530 v = light_control; 1531 error = sysctl_handle_int(oidp, &v, 0, req); 1532 1533 if (error == 0 && req->newptr != NULL) { 1534 if (v < 0 || v > 255) 1535 return (EINVAL); 1536 light_control = v; 1537 buf[0] = light_control; 1538 buf[1] = 0x00; 1539 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 1540 } 1541 return (error); 1542 } 1543