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