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 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 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 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)", 231 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 232 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS 233 }, 234 235 { 236 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)", 237 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 238 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS 239 }, 240 241 { 242 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012)", 243 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 244 ASMC_MBP9_TEMPS, ASMC_MBP9_TEMPNAMES, ASMC_MBP9_TEMPDESCS 245 }, 246 247 { 248 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 249 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 250 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS 251 }, 252 253 { 254 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 255 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 256 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS 257 }, 258 259 /* The Mac Mini has no SMS */ 260 { 261 "Macmini1,1", "Apple SMC Mac Mini", 262 NULL, NULL, NULL, 263 ASMC_FAN_FUNCS, 264 NULL, NULL, NULL, 265 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 266 }, 267 268 /* The Mac Mini 2,1 has no SMS */ 269 { 270 "Macmini2,1", "Apple SMC Mac Mini 2,1", 271 ASMC_SMS_FUNCS_DISABLED, 272 ASMC_FAN_FUNCS, 273 ASMC_LIGHT_FUNCS_DISABLED, 274 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS 275 }, 276 277 /* The Mac Mini 3,1 has no SMS */ 278 { 279 "Macmini3,1", "Apple SMC Mac Mini 3,1", 280 NULL, NULL, NULL, 281 ASMC_FAN_FUNCS, 282 NULL, NULL, NULL, 283 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS 284 }, 285 286 /* The Mac Mini 4,1 (Mid-2010) has no SMS */ 287 { 288 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)", 289 ASMC_SMS_FUNCS_DISABLED, 290 ASMC_FAN_FUNCS, 291 ASMC_LIGHT_FUNCS_DISABLED, 292 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS 293 }, 294 295 /* The Mac Mini 5,2 has no SMS */ 296 { 297 "Macmini5,2", "Apple SMC Mac Mini 5,2", 298 NULL, NULL, NULL, 299 ASMC_FAN_FUNCS2, 300 NULL, NULL, NULL, 301 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 302 }, 303 304 /* Idem for the Mac Pro "Quad Core" (original) */ 305 { 306 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)", 307 NULL, NULL, NULL, 308 ASMC_FAN_FUNCS, 309 NULL, NULL, NULL, 310 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS 311 }, 312 313 /* Idem for the Mac Pro (8-core) */ 314 { 315 "MacPro2", "Apple SMC Mac Pro (8-core)", 316 NULL, NULL, NULL, 317 ASMC_FAN_FUNCS, 318 NULL, NULL, NULL, 319 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS 320 }, 321 322 /* Idem for the MacPro 2010*/ 323 { 324 "MacPro5,1", "Apple SMC MacPro (2010)", 325 NULL, NULL, NULL, 326 ASMC_FAN_FUNCS, 327 NULL, NULL, NULL, 328 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS 329 }, 330 331 { 332 "MacBookAir1,1", "Apple SMC MacBook Air", 333 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 334 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 335 }, 336 337 { 338 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)", 339 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL, 340 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS 341 }, 342 343 { 344 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)", 345 ASMC_SMS_FUNCS_DISABLED, 346 ASMC_FAN_FUNCS2, 347 ASMC_LIGHT_FUNCS, 348 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 349 }, 350 351 { 352 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)", 353 ASMC_SMS_FUNCS_DISABLED, 354 ASMC_FAN_FUNCS2, 355 ASMC_LIGHT_FUNCS, 356 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 357 }, 358 359 { 360 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 361 ASMC_SMS_FUNCS_DISABLED, 362 ASMC_FAN_FUNCS2, 363 ASMC_LIGHT_FUNCS, 364 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 365 }, 366 367 { 368 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 369 ASMC_SMS_FUNCS_DISABLED, 370 ASMC_FAN_FUNCS2, 371 ASMC_LIGHT_FUNCS, 372 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 373 }, 374 { NULL, NULL } 375 }; 376 377 #undef ASMC_SMS_FUNCS 378 #undef ASMC_SMS_FUNCS_DISABLED 379 #undef ASMC_FAN_FUNCS 380 #undef ASMC_FAN_FUNCS2 381 #undef ASMC_LIGHT_FUNCS 382 383 /* 384 * Driver methods. 385 */ 386 static device_method_t asmc_methods[] = { 387 DEVMETHOD(device_probe, asmc_probe), 388 DEVMETHOD(device_attach, asmc_attach), 389 DEVMETHOD(device_detach, asmc_detach), 390 DEVMETHOD(device_resume, asmc_resume), 391 { 0, 0 } 392 }; 393 394 static driver_t asmc_driver = { 395 "asmc", 396 asmc_methods, 397 sizeof(struct asmc_softc) 398 }; 399 400 /* 401 * Debugging 402 */ 403 #define _COMPONENT ACPI_OEM 404 ACPI_MODULE_NAME("ASMC") 405 #ifdef DEBUG 406 #define ASMC_DPRINTF(str) device_printf(dev, str) 407 #else 408 #define ASMC_DPRINTF(str) 409 #endif 410 411 /* NB: can't be const */ 412 static char *asmc_ids[] = { "APP0001", NULL }; 413 414 static devclass_t asmc_devclass; 415 416 static unsigned int light_control = 0; 417 418 DRIVER_MODULE(asmc, acpi, asmc_driver, asmc_devclass, NULL, NULL); 419 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 420 421 static struct asmc_model * 422 asmc_match(device_t dev) 423 { 424 int i; 425 char *model; 426 427 model = kern_getenv("smbios.system.product"); 428 if (model == NULL) 429 return (NULL); 430 431 for (i = 0; asmc_models[i].smc_model; i++) { 432 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) { 433 freeenv(model); 434 return (&asmc_models[i]); 435 } 436 } 437 freeenv(model); 438 439 return (NULL); 440 } 441 442 static int 443 asmc_probe(device_t dev) 444 { 445 struct asmc_model *model; 446 int rv; 447 448 if (resource_disabled("asmc", 0)) 449 return (ENXIO); 450 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 451 if (rv > 0) 452 return (rv); 453 454 model = asmc_match(dev); 455 if (!model) { 456 device_printf(dev, "model not recognized\n"); 457 return (ENXIO); 458 } 459 device_set_desc(dev, model->smc_desc); 460 461 return (rv); 462 } 463 464 static int 465 asmc_attach(device_t dev) 466 { 467 int i, j; 468 int ret; 469 char name[2]; 470 struct asmc_softc *sc = device_get_softc(dev); 471 struct sysctl_ctx_list *sysctlctx; 472 struct sysctl_oid *sysctlnode; 473 struct asmc_model *model; 474 475 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 476 &sc->sc_rid_port, RF_ACTIVE); 477 if (sc->sc_ioport == NULL) { 478 device_printf(dev, "unable to allocate IO port\n"); 479 return (ENOMEM); 480 } 481 482 sysctlctx = device_get_sysctl_ctx(dev); 483 sysctlnode = device_get_sysctl_tree(dev); 484 485 model = asmc_match(dev); 486 487 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 488 489 sc->sc_model = model; 490 asmc_init(dev); 491 492 /* 493 * dev.asmc.n.fan.* tree. 494 */ 495 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 496 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 497 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 498 499 for (i = 1; i <= sc->sc_nfan; i++) { 500 j = i - 1; 501 name[0] = '0' + j; 502 name[1] = 0; 503 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 504 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), 505 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 506 "Fan Subtree"); 507 508 SYSCTL_ADD_PROC(sysctlctx, 509 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 510 OID_AUTO, "id", 511 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 512 dev, j, model->smc_fan_id, "I", 513 "Fan ID"); 514 515 SYSCTL_ADD_PROC(sysctlctx, 516 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 517 OID_AUTO, "speed", 518 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 519 dev, j, model->smc_fan_speed, "I", 520 "Fan speed in RPM"); 521 522 SYSCTL_ADD_PROC(sysctlctx, 523 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 524 OID_AUTO, "safespeed", 525 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 526 dev, j, model->smc_fan_safespeed, "I", 527 "Fan safe speed in RPM"); 528 529 SYSCTL_ADD_PROC(sysctlctx, 530 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 531 OID_AUTO, "minspeed", 532 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 533 dev, j, model->smc_fan_minspeed, "I", 534 "Fan minimum speed in RPM"); 535 536 SYSCTL_ADD_PROC(sysctlctx, 537 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 538 OID_AUTO, "maxspeed", 539 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 540 dev, j, model->smc_fan_maxspeed, "I", 541 "Fan maximum speed in RPM"); 542 543 SYSCTL_ADD_PROC(sysctlctx, 544 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 545 OID_AUTO, "targetspeed", 546 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 547 dev, j, model->smc_fan_targetspeed, "I", 548 "Fan target speed in RPM"); 549 } 550 551 /* 552 * dev.asmc.n.temp tree. 553 */ 554 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 555 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 556 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 557 558 for (i = 0; model->smc_temps[i]; i++) { 559 SYSCTL_ADD_PROC(sysctlctx, 560 SYSCTL_CHILDREN(sc->sc_temp_tree), 561 OID_AUTO, model->smc_tempnames[i], 562 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 563 dev, i, asmc_temp_sysctl, "I", 564 model->smc_tempdescs[i]); 565 } 566 567 /* 568 * dev.asmc.n.light 569 */ 570 if (model->smc_light_left) { 571 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 572 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 573 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 574 "Keyboard backlight sensors"); 575 576 SYSCTL_ADD_PROC(sysctlctx, 577 SYSCTL_CHILDREN(sc->sc_light_tree), 578 OID_AUTO, "left", 579 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 580 dev, 0, model->smc_light_left, "I", 581 "Keyboard backlight left sensor"); 582 583 SYSCTL_ADD_PROC(sysctlctx, 584 SYSCTL_CHILDREN(sc->sc_light_tree), 585 OID_AUTO, "right", 586 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 587 dev, 0, model->smc_light_right, "I", 588 "Keyboard backlight right sensor"); 589 590 SYSCTL_ADD_PROC(sysctlctx, 591 SYSCTL_CHILDREN(sc->sc_light_tree), 592 OID_AUTO, "control", 593 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | 594 CTLFLAG_NEEDGIANT, dev, 0, 595 model->smc_light_control, "I", 596 "Keyboard backlight brightness control"); 597 } 598 599 if (model->smc_sms_x == NULL) 600 goto nosms; 601 602 /* 603 * dev.asmc.n.sms tree. 604 */ 605 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 606 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 607 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 608 609 SYSCTL_ADD_PROC(sysctlctx, 610 SYSCTL_CHILDREN(sc->sc_sms_tree), 611 OID_AUTO, "x", 612 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 613 dev, 0, model->smc_sms_x, "I", 614 "Sudden Motion Sensor X value"); 615 616 SYSCTL_ADD_PROC(sysctlctx, 617 SYSCTL_CHILDREN(sc->sc_sms_tree), 618 OID_AUTO, "y", 619 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 620 dev, 0, model->smc_sms_y, "I", 621 "Sudden Motion Sensor Y value"); 622 623 SYSCTL_ADD_PROC(sysctlctx, 624 SYSCTL_CHILDREN(sc->sc_sms_tree), 625 OID_AUTO, "z", 626 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT, 627 dev, 0, model->smc_sms_z, "I", 628 "Sudden Motion Sensor Z value"); 629 630 /* 631 * Need a taskqueue to send devctl_notify() events 632 * when the SMS interrupt us. 633 * 634 * PI_REALTIME is used due to the sensitivity of the 635 * interrupt. An interrupt from the SMS means that the 636 * disk heads should be turned off as quickly as possible. 637 * 638 * We only need to do this for the non INTR_FILTER case. 639 */ 640 sc->sc_sms_tq = NULL; 641 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 642 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 643 taskqueue_thread_enqueue, &sc->sc_sms_tq); 644 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 645 device_get_nameunit(dev)); 646 /* 647 * Allocate an IRQ for the SMS. 648 */ 649 sc->sc_rid_irq = 0; 650 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, 651 &sc->sc_rid_irq, RF_ACTIVE); 652 if (sc->sc_irq == NULL) { 653 device_printf(dev, "unable to allocate IRQ resource\n"); 654 ret = ENXIO; 655 goto err2; 656 } 657 658 ret = bus_setup_intr(dev, sc->sc_irq, 659 INTR_TYPE_MISC | INTR_MPSAFE, 660 asmc_sms_intrfast, NULL, 661 dev, &sc->sc_cookie); 662 663 if (ret) { 664 device_printf(dev, "unable to setup SMS IRQ\n"); 665 goto err1; 666 } 667 nosms: 668 return (0); 669 err1: 670 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq); 671 err2: 672 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 673 sc->sc_ioport); 674 mtx_destroy(&sc->sc_mtx); 675 if (sc->sc_sms_tq) 676 taskqueue_free(sc->sc_sms_tq); 677 678 return (ret); 679 } 680 681 static int 682 asmc_detach(device_t dev) 683 { 684 struct asmc_softc *sc = device_get_softc(dev); 685 686 if (sc->sc_sms_tq) { 687 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 688 taskqueue_free(sc->sc_sms_tq); 689 } 690 if (sc->sc_cookie) 691 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 692 if (sc->sc_irq) 693 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 694 sc->sc_irq); 695 if (sc->sc_ioport) 696 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 697 sc->sc_ioport); 698 mtx_destroy(&sc->sc_mtx); 699 700 return (0); 701 } 702 703 static int 704 asmc_resume(device_t dev) 705 { 706 uint8_t buf[2]; 707 buf[0] = light_control; 708 buf[1] = 0x00; 709 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 710 return (0); 711 } 712 713 #ifdef DEBUG 714 void asmc_dumpall(device_t dev) 715 { 716 int i; 717 718 /* XXX magic number */ 719 for (i=0; i < 0x100; i++) 720 asmc_key_dump(dev, i); 721 } 722 #endif 723 724 static int 725 asmc_init(device_t dev) 726 { 727 struct asmc_softc *sc = device_get_softc(dev); 728 int i, error = 1; 729 uint8_t buf[4]; 730 731 if (sc->sc_model->smc_sms_x == NULL) 732 goto nosms; 733 734 /* 735 * We are ready to receive interrupts from the SMS. 736 */ 737 buf[0] = 0x01; 738 ASMC_DPRINTF(("intok key\n")); 739 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 740 DELAY(50); 741 742 /* 743 * Initiate the polling intervals. 744 */ 745 buf[0] = 20; /* msecs */ 746 ASMC_DPRINTF(("low int key\n")); 747 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 748 DELAY(200); 749 750 buf[0] = 20; /* msecs */ 751 ASMC_DPRINTF(("high int key\n")); 752 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 753 DELAY(200); 754 755 buf[0] = 0x00; 756 buf[1] = 0x60; 757 ASMC_DPRINTF(("sms low key\n")); 758 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 759 DELAY(200); 760 761 buf[0] = 0x01; 762 buf[1] = 0xc0; 763 ASMC_DPRINTF(("sms high key\n")); 764 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 765 DELAY(200); 766 767 /* 768 * I'm not sure what this key does, but it seems to be 769 * required. 770 */ 771 buf[0] = 0x01; 772 ASMC_DPRINTF(("sms flag key\n")); 773 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 774 DELAY(100); 775 776 sc->sc_sms_intr_works = 0; 777 778 /* 779 * Retry SMS initialization 1000 times 780 * (takes approx. 2 seconds in worst case) 781 */ 782 for (i = 0; i < 1000; i++) { 783 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 784 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 785 error = 0; 786 sc->sc_sms_intr_works = 1; 787 goto out; 788 } 789 buf[0] = ASMC_SMS_INIT1; 790 buf[1] = ASMC_SMS_INIT2; 791 ASMC_DPRINTF(("sms key\n")); 792 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 793 DELAY(50); 794 } 795 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 796 797 out: 798 asmc_sms_calibrate(dev); 799 nosms: 800 sc->sc_nfan = asmc_fan_count(dev); 801 if (sc->sc_nfan > ASMC_MAXFANS) { 802 device_printf(dev, "more than %d fans were detected. Please " 803 "report this.\n", ASMC_MAXFANS); 804 sc->sc_nfan = ASMC_MAXFANS; 805 } 806 807 if (bootverbose) { 808 /* 809 * The number of keys is a 32 bit buffer 810 */ 811 asmc_key_read(dev, ASMC_NKEYS, buf, 4); 812 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf)); 813 } 814 815 #ifdef DEBUG 816 asmc_dumpall(dev); 817 #endif 818 819 return (error); 820 } 821 822 /* 823 * We need to make sure that the SMC acks the byte sent. 824 * Just wait up to (amount * 10) ms. 825 */ 826 static int 827 asmc_wait_ack(device_t dev, uint8_t val, int amount) 828 { 829 struct asmc_softc *sc = device_get_softc(dev); 830 u_int i; 831 832 val = val & ASMC_STATUS_MASK; 833 834 for (i = 0; i < amount; i++) { 835 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 836 return (0); 837 DELAY(10); 838 } 839 840 return (1); 841 } 842 843 /* 844 * We need to make sure that the SMC acks the byte sent. 845 * Just wait up to 100 ms. 846 */ 847 static int 848 asmc_wait(device_t dev, uint8_t val) 849 { 850 #ifdef DEBUG 851 struct asmc_softc *sc; 852 #endif 853 854 if (asmc_wait_ack(dev, val, 1000) == 0) 855 return (0); 856 857 #ifdef DEBUG 858 sc = device_get_softc(dev); 859 #endif 860 val = val & ASMC_STATUS_MASK; 861 862 #ifdef DEBUG 863 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val, 864 ASMC_CMDPORT_READ(sc)); 865 #endif 866 return (1); 867 } 868 869 /* 870 * Send the given command, retrying up to 10 times if 871 * the acknowledgement fails. 872 */ 873 static int 874 asmc_command(device_t dev, uint8_t command) { 875 int i; 876 struct asmc_softc *sc = device_get_softc(dev); 877 878 for (i=0; i < 10; i++) { 879 ASMC_CMDPORT_WRITE(sc, command); 880 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 881 return (0); 882 } 883 } 884 885 #ifdef DEBUG 886 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 887 ASMC_CMDPORT_READ(sc)); 888 #endif 889 return (1); 890 } 891 892 static int 893 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 894 { 895 int i, error = 1, try = 0; 896 struct asmc_softc *sc = device_get_softc(dev); 897 898 mtx_lock_spin(&sc->sc_mtx); 899 900 begin: 901 if (asmc_command(dev, ASMC_CMDREAD)) 902 goto out; 903 904 for (i = 0; i < 4; i++) { 905 ASMC_DATAPORT_WRITE(sc, key[i]); 906 if (asmc_wait(dev, 0x04)) 907 goto out; 908 } 909 910 ASMC_DATAPORT_WRITE(sc, len); 911 912 for (i = 0; i < len; i++) { 913 if (asmc_wait(dev, 0x05)) 914 goto out; 915 buf[i] = ASMC_DATAPORT_READ(sc); 916 } 917 918 error = 0; 919 out: 920 if (error) { 921 if (++try < 10) goto begin; 922 device_printf(dev,"%s for key %s failed %d times, giving up\n", 923 __func__, key, try); 924 } 925 926 mtx_unlock_spin(&sc->sc_mtx); 927 928 return (error); 929 } 930 931 #ifdef DEBUG 932 static int 933 asmc_key_dump(device_t dev, int number) 934 { 935 struct asmc_softc *sc = device_get_softc(dev); 936 char key[5] = { 0 }; 937 char type[7] = { 0 }; 938 uint8_t index[4]; 939 uint8_t v[32]; 940 uint8_t maxlen; 941 int i, error = 1, try = 0; 942 943 mtx_lock_spin(&sc->sc_mtx); 944 945 index[0] = (number >> 24) & 0xff; 946 index[1] = (number >> 16) & 0xff; 947 index[2] = (number >> 8) & 0xff; 948 index[3] = (number) & 0xff; 949 950 begin: 951 if (asmc_command(dev, 0x12)) 952 goto out; 953 954 for (i = 0; i < 4; i++) { 955 ASMC_DATAPORT_WRITE(sc, index[i]); 956 if (asmc_wait(dev, 0x04)) 957 goto out; 958 } 959 960 ASMC_DATAPORT_WRITE(sc, 4); 961 962 for (i = 0; i < 4; i++) { 963 if (asmc_wait(dev, 0x05)) 964 goto out; 965 key[i] = ASMC_DATAPORT_READ(sc); 966 } 967 968 /* get type */ 969 if (asmc_command(dev, 0x13)) 970 goto out; 971 972 for (i = 0; i < 4; i++) { 973 ASMC_DATAPORT_WRITE(sc, key[i]); 974 if (asmc_wait(dev, 0x04)) 975 goto out; 976 } 977 978 ASMC_DATAPORT_WRITE(sc, 6); 979 980 for (i = 0; i < 6; i++) { 981 if (asmc_wait(dev, 0x05)) 982 goto out; 983 type[i] = ASMC_DATAPORT_READ(sc); 984 } 985 986 error = 0; 987 out: 988 if (error) { 989 if (++try < 10) goto begin; 990 device_printf(dev,"%s for key %s failed %d times, giving up\n", 991 __func__, key, try); 992 mtx_unlock_spin(&sc->sc_mtx); 993 } 994 else { 995 char buf[1024]; 996 char buf2[8]; 997 mtx_unlock_spin(&sc->sc_mtx); 998 maxlen = type[0]; 999 type[0] = ' '; 1000 type[5] = 0; 1001 if (maxlen > sizeof(v)) { 1002 device_printf(dev, 1003 "WARNING: cropping maxlen from %d to %zu\n", 1004 maxlen, sizeof(v)); 1005 maxlen = sizeof(v); 1006 } 1007 for (i = 0; i < sizeof(v); i++) { 1008 v[i] = 0; 1009 } 1010 asmc_key_read(dev, key, v, maxlen); 1011 snprintf(buf, sizeof(buf), "key %d is: %s, type %s " 1012 "(len %d), data", number, key, type, maxlen); 1013 for (i = 0; i < maxlen; i++) { 1014 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1015 strlcat(buf, buf2, sizeof(buf)); 1016 } 1017 strlcat(buf, " \n", sizeof(buf)); 1018 device_printf(dev, "%s", buf); 1019 } 1020 1021 return (error); 1022 } 1023 #endif 1024 1025 static int 1026 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1027 { 1028 int i, error = -1, try = 0; 1029 struct asmc_softc *sc = device_get_softc(dev); 1030 1031 mtx_lock_spin(&sc->sc_mtx); 1032 1033 begin: 1034 ASMC_DPRINTF(("cmd port: cmd write\n")); 1035 if (asmc_command(dev, ASMC_CMDWRITE)) 1036 goto out; 1037 1038 ASMC_DPRINTF(("data port: key\n")); 1039 for (i = 0; i < 4; i++) { 1040 ASMC_DATAPORT_WRITE(sc, key[i]); 1041 if (asmc_wait(dev, 0x04)) 1042 goto out; 1043 } 1044 ASMC_DPRINTF(("data port: length\n")); 1045 ASMC_DATAPORT_WRITE(sc, len); 1046 1047 ASMC_DPRINTF(("data port: buffer\n")); 1048 for (i = 0; i < len; i++) { 1049 if (asmc_wait(dev, 0x04)) 1050 goto out; 1051 ASMC_DATAPORT_WRITE(sc, buf[i]); 1052 } 1053 1054 error = 0; 1055 out: 1056 if (error) { 1057 if (++try < 10) goto begin; 1058 device_printf(dev,"%s for key %s failed %d times, giving up\n", 1059 __func__, key, try); 1060 } 1061 1062 mtx_unlock_spin(&sc->sc_mtx); 1063 1064 return (error); 1065 1066 } 1067 1068 /* 1069 * Fan control functions. 1070 */ 1071 static int 1072 asmc_fan_count(device_t dev) 1073 { 1074 uint8_t buf[1]; 1075 1076 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) != 0) 1077 return (-1); 1078 1079 return (buf[0]); 1080 } 1081 1082 static int 1083 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1084 { 1085 int speed; 1086 uint8_t buf[2]; 1087 char fankey[5]; 1088 1089 snprintf(fankey, sizeof(fankey), key, fan); 1090 if (asmc_key_read(dev, fankey, buf, sizeof buf) != 0) 1091 return (-1); 1092 speed = (buf[0] << 6) | (buf[1] >> 2); 1093 1094 return (speed); 1095 } 1096 1097 static char* 1098 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen) 1099 { 1100 char fankey[5]; 1101 char* desc; 1102 1103 snprintf(fankey, sizeof(fankey), key, fan); 1104 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1105 return (NULL); 1106 desc = buf+4; 1107 1108 return (desc); 1109 } 1110 1111 static int 1112 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1113 { 1114 uint8_t buf[2]; 1115 char fankey[5]; 1116 1117 speed *= 4; 1118 1119 buf[0] = speed>>8; 1120 buf[1] = speed; 1121 1122 snprintf(fankey, sizeof(fankey), key, fan); 1123 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0) 1124 return (-1); 1125 1126 return (0); 1127 } 1128 1129 static int 1130 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1131 { 1132 device_t dev = (device_t) arg1; 1133 int fan = arg2; 1134 int error; 1135 int32_t v; 1136 1137 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1138 error = sysctl_handle_int(oidp, &v, 0, req); 1139 1140 return (error); 1141 } 1142 1143 static int 1144 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1145 { 1146 uint8_t buf[16]; 1147 device_t dev = (device_t) arg1; 1148 int fan = arg2; 1149 int error = true; 1150 char* desc; 1151 1152 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1153 1154 if (desc != NULL) 1155 error = sysctl_handle_string(oidp, desc, 0, req); 1156 1157 return (error); 1158 } 1159 1160 static int 1161 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1162 { 1163 device_t dev = (device_t) arg1; 1164 int fan = arg2; 1165 int error; 1166 int32_t v; 1167 1168 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1169 error = sysctl_handle_int(oidp, &v, 0, req); 1170 1171 return (error); 1172 } 1173 1174 static int 1175 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1176 { 1177 device_t dev = (device_t) arg1; 1178 int fan = arg2; 1179 int error; 1180 int32_t v; 1181 1182 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1183 error = sysctl_handle_int(oidp, &v, 0, req); 1184 1185 if (error == 0 && req->newptr != NULL) { 1186 unsigned int newspeed = v; 1187 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1188 } 1189 1190 return (error); 1191 } 1192 1193 static int 1194 asmc_mb_sysctl_fanmaxspeed(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_FANMAXSPEED, fan); 1202 error = sysctl_handle_int(oidp, &v, 0, req); 1203 1204 if (error == 0 && req->newptr != NULL) { 1205 unsigned int newspeed = v; 1206 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1207 } 1208 1209 return (error); 1210 } 1211 1212 static int 1213 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1214 { 1215 device_t dev = (device_t) arg1; 1216 int fan = arg2; 1217 int error; 1218 int32_t v; 1219 1220 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1221 error = sysctl_handle_int(oidp, &v, 0, req); 1222 1223 if (error == 0 && req->newptr != NULL) { 1224 unsigned int newspeed = v; 1225 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1226 } 1227 1228 return (error); 1229 } 1230 1231 /* 1232 * Temperature functions. 1233 */ 1234 static int 1235 asmc_temp_getvalue(device_t dev, const char *key) 1236 { 1237 uint8_t buf[2]; 1238 1239 /* 1240 * Check for invalid temperatures. 1241 */ 1242 if (asmc_key_read(dev, key, buf, sizeof buf) != 0) 1243 return (-1); 1244 1245 return (buf[0]); 1246 } 1247 1248 static int 1249 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1250 { 1251 device_t dev = (device_t) arg1; 1252 struct asmc_softc *sc = device_get_softc(dev); 1253 int error, val; 1254 1255 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1256 error = sysctl_handle_int(oidp, &val, 0, req); 1257 1258 return (error); 1259 } 1260 1261 /* 1262 * Sudden Motion Sensor functions. 1263 */ 1264 static int 1265 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1266 { 1267 uint8_t buf[2]; 1268 int error; 1269 1270 /* no need to do locking here as asmc_key_read() already does it */ 1271 switch (key[3]) { 1272 case 'X': 1273 case 'Y': 1274 case 'Z': 1275 error = asmc_key_read(dev, key, buf, sizeof buf); 1276 break; 1277 default: 1278 device_printf(dev, "%s called with invalid argument %s\n", 1279 __func__, key); 1280 error = 1; 1281 goto out; 1282 } 1283 *val = ((int16_t)buf[0] << 8) | buf[1]; 1284 out: 1285 return (error); 1286 } 1287 1288 static void 1289 asmc_sms_calibrate(device_t dev) 1290 { 1291 struct asmc_softc *sc = device_get_softc(dev); 1292 1293 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1294 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1295 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1296 } 1297 1298 static int 1299 asmc_sms_intrfast(void *arg) 1300 { 1301 uint8_t type; 1302 device_t dev = (device_t) arg; 1303 struct asmc_softc *sc = device_get_softc(dev); 1304 if (!sc->sc_sms_intr_works) 1305 return (FILTER_HANDLED); 1306 1307 mtx_lock_spin(&sc->sc_mtx); 1308 type = ASMC_INTPORT_READ(sc); 1309 mtx_unlock_spin(&sc->sc_mtx); 1310 1311 sc->sc_sms_intrtype = type; 1312 asmc_sms_printintr(dev, type); 1313 1314 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1315 return (FILTER_HANDLED); 1316 } 1317 1318 static void 1319 asmc_sms_printintr(device_t dev, uint8_t type) 1320 { 1321 1322 switch (type) { 1323 case ASMC_SMS_INTFF: 1324 device_printf(dev, "WARNING: possible free fall!\n"); 1325 break; 1326 case ASMC_SMS_INTHA: 1327 device_printf(dev, "WARNING: high acceleration detected!\n"); 1328 break; 1329 case ASMC_SMS_INTSH: 1330 device_printf(dev, "WARNING: possible shock!\n"); 1331 break; 1332 default: 1333 device_printf(dev, "%s unknown interrupt\n", __func__); 1334 } 1335 } 1336 1337 static void 1338 asmc_sms_task(void *arg, int pending) 1339 { 1340 struct asmc_softc *sc = (struct asmc_softc *)arg; 1341 char notify[16]; 1342 int type; 1343 1344 switch (sc->sc_sms_intrtype) { 1345 case ASMC_SMS_INTFF: 1346 type = 2; 1347 break; 1348 case ASMC_SMS_INTHA: 1349 type = 1; 1350 break; 1351 case ASMC_SMS_INTSH: 1352 type = 0; 1353 break; 1354 default: 1355 type = 255; 1356 } 1357 1358 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1359 devctl_notify("ACPI", "asmc", "SMS", notify); 1360 } 1361 1362 static int 1363 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1364 { 1365 device_t dev = (device_t) arg1; 1366 int error; 1367 int16_t val; 1368 int32_t v; 1369 1370 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1371 v = (int32_t) val; 1372 error = sysctl_handle_int(oidp, &v, 0, req); 1373 1374 return (error); 1375 } 1376 1377 static int 1378 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1379 { 1380 device_t dev = (device_t) arg1; 1381 int error; 1382 int16_t val; 1383 int32_t v; 1384 1385 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1386 v = (int32_t) val; 1387 error = sysctl_handle_int(oidp, &v, 0, req); 1388 1389 return (error); 1390 } 1391 1392 static int 1393 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1394 { 1395 device_t dev = (device_t) arg1; 1396 int error; 1397 int16_t val; 1398 int32_t v; 1399 1400 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1401 v = (int32_t) val; 1402 error = sysctl_handle_int(oidp, &v, 0, req); 1403 1404 return (error); 1405 } 1406 1407 static int 1408 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1409 { 1410 device_t dev = (device_t) arg1; 1411 uint8_t buf[6]; 1412 int error; 1413 int32_t v; 1414 1415 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf); 1416 v = buf[2]; 1417 error = sysctl_handle_int(oidp, &v, 0, req); 1418 1419 return (error); 1420 } 1421 1422 static int 1423 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1424 { 1425 device_t dev = (device_t) arg1; 1426 uint8_t buf[6]; 1427 int error; 1428 int32_t v; 1429 1430 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf); 1431 v = buf[2]; 1432 error = sysctl_handle_int(oidp, &v, 0, req); 1433 1434 return (error); 1435 } 1436 1437 static int 1438 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1439 { 1440 device_t dev = (device_t) arg1; 1441 uint8_t buf[2]; 1442 int error; 1443 int v; 1444 1445 v = light_control; 1446 error = sysctl_handle_int(oidp, &v, 0, req); 1447 1448 if (error == 0 && req->newptr != NULL) { 1449 if (v < 0 || v > 255) 1450 return (EINVAL); 1451 light_control = v; 1452 buf[0] = light_control; 1453 buf[1] = 0x00; 1454 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf); 1455 } 1456 return (error); 1457 } 1458