1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 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 "opt_asmc.h" 38 39 #include <sys/param.h> 40 #include <sys/bus.h> 41 #include <sys/conf.h> 42 #include <sys/endian.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 #include <netinet/in.h> 55 56 #include <contrib/dev/acpica/include/acpi.h> 57 58 #include <dev/acpica/acpivar.h> 59 #include <dev/asmc/asmcvar.h> 60 61 /* 62 * Device interface. 63 */ 64 static int asmc_probe(device_t dev); 65 static int asmc_attach(device_t dev); 66 static int asmc_detach(device_t dev); 67 static int asmc_resume(device_t dev); 68 69 /* 70 * SMC functions. 71 */ 72 static int asmc_init(device_t dev); 73 static int asmc_command(device_t dev, uint8_t command); 74 static int asmc_wait(device_t dev, uint8_t val); 75 static int asmc_wait_ack(device_t dev, uint8_t val, int amount); 76 static int asmc_key_write(device_t dev, const char *key, uint8_t *buf, 77 uint8_t len); 78 static int asmc_key_read(device_t dev, const char *key, uint8_t *buf, 79 uint8_t); 80 static int asmc_fan_count(device_t dev); 81 static int asmc_fan_getvalue(device_t dev, const char *key, int fan); 82 static int asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed); 83 static int asmc_temp_getvalue(device_t dev, const char *key); 84 static int asmc_sms_read(device_t, const char *key, int16_t *val); 85 static void asmc_sms_calibrate(device_t dev); 86 static int asmc_sms_intrfast(void *arg); 87 static void asmc_sms_printintr(device_t dev, uint8_t); 88 static void asmc_sms_task(void *arg, int pending); 89 #ifdef ASMC_DEBUG 90 void asmc_dumpall(device_t); 91 static int asmc_key_dump(device_t, int); 92 #endif 93 94 /* 95 * Model functions. 96 */ 97 static int asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS); 98 static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS); 99 static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); 100 static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); 101 static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); 102 static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); 103 static int asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS); 104 static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); 105 static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); 106 static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); 107 static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS); 108 static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS); 109 static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS); 110 static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS); 111 static int asmc_mbp_sysctl_light_left_10byte(SYSCTL_HANDLER_ARGS); 112 static int asmc_wol_sysctl(SYSCTL_HANDLER_ARGS); 113 114 struct asmc_model { 115 const char *smc_model; /* smbios.system.product env var. */ 116 const char *smc_desc; /* driver description */ 117 118 /* Helper functions */ 119 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS); 120 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS); 121 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS); 122 int (*smc_fan_id)(SYSCTL_HANDLER_ARGS); 123 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS); 124 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS); 125 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS); 126 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS); 127 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS); 128 int (*smc_light_left)(SYSCTL_HANDLER_ARGS); 129 int (*smc_light_right)(SYSCTL_HANDLER_ARGS); 130 int (*smc_light_control)(SYSCTL_HANDLER_ARGS); 131 132 const char *smc_temps[ASMC_TEMP_MAX]; 133 const char *smc_tempnames[ASMC_TEMP_MAX]; 134 const char *smc_tempdescs[ASMC_TEMP_MAX]; 135 }; 136 137 static const struct asmc_model *asmc_match(device_t dev); 138 139 #define ASMC_SMS_FUNCS \ 140 .smc_sms_x = asmc_mb_sysctl_sms_x, \ 141 .smc_sms_y = asmc_mb_sysctl_sms_y, \ 142 .smc_sms_z = asmc_mb_sysctl_sms_z 143 144 #define ASMC_SMS_FUNCS_DISABLED \ 145 .smc_sms_x = NULL, \ 146 .smc_sms_y = NULL, \ 147 .smc_sms_z = NULL 148 149 #define ASMC_FAN_FUNCS \ 150 .smc_fan_id = asmc_mb_sysctl_fanid, \ 151 .smc_fan_speed = asmc_mb_sysctl_fanspeed, \ 152 .smc_fan_safespeed = asmc_mb_sysctl_fansafespeed, \ 153 .smc_fan_minspeed = asmc_mb_sysctl_fanminspeed, \ 154 .smc_fan_maxspeed = asmc_mb_sysctl_fanmaxspeed, \ 155 .smc_fan_targetspeed = asmc_mb_sysctl_fantargetspeed 156 157 #define ASMC_FAN_FUNCS2 \ 158 .smc_fan_id = asmc_mb_sysctl_fanid, \ 159 .smc_fan_speed = asmc_mb_sysctl_fanspeed, \ 160 .smc_fan_safespeed = NULL, \ 161 .smc_fan_minspeed = asmc_mb_sysctl_fanminspeed, \ 162 .smc_fan_maxspeed = asmc_mb_sysctl_fanmaxspeed, \ 163 .smc_fan_targetspeed = asmc_mb_sysctl_fantargetspeed 164 165 #define ASMC_LIGHT_FUNCS \ 166 .smc_light_left = asmc_mbp_sysctl_light_left, \ 167 .smc_light_right = asmc_mbp_sysctl_light_right, \ 168 .smc_light_control = asmc_mbp_sysctl_light_control 169 170 #define ASMC_LIGHT_FUNCS_10BYTE \ 171 .smc_light_left = asmc_mbp_sysctl_light_left_10byte, \ 172 .smc_light_right = NULL, \ 173 .smc_light_control = asmc_mbp_sysctl_light_control 174 175 #define ASMC_LIGHT_FUNCS_DISABLED \ 176 .smc_light_left = NULL, \ 177 .smc_light_right = NULL, \ 178 .smc_light_control = NULL 179 180 #define ASMC_TEMPS_FUNCS_DISABLED \ 181 .smc_temps = {}, \ 182 .smc_tempnames = {}, \ 183 .smc_tempdescs = {} \ 184 185 static const struct asmc_model asmc_models[] = { 186 { 187 "MacBook1,1", "Apple SMC MacBook Core Duo", 188 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 189 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 190 }, 191 192 { 193 "MacBook2,1", "Apple SMC MacBook Core 2 Duo", 194 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 195 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 196 }, 197 198 { 199 "MacBook3,1", "Apple SMC MacBook Core 2 Duo", 200 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 201 ASMC_MB31_TEMPS, ASMC_MB31_TEMPNAMES, ASMC_MB31_TEMPDESCS 202 }, 203 204 { 205 "MacBook7,1", "Apple SMC MacBook Core 2 Duo (mid 2010)", 206 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS_DISABLED, 207 ASMC_MB71_TEMPS, ASMC_MB71_TEMPNAMES, ASMC_MB71_TEMPDESCS 208 }, 209 210 { 211 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)", 212 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 213 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 214 }, 215 216 { 217 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)", 218 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 219 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 220 }, 221 222 { 223 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)", 224 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 225 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 226 }, 227 228 { 229 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)", 230 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 231 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 232 }, 233 234 { 235 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)", 236 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 237 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 238 }, 239 240 { 241 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)", 242 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 243 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 244 }, 245 246 { 247 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)", 248 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 249 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS 250 }, 251 252 { 253 "MacBookPro5,1", "Apple SMC MacBook Pro Core 2 Duo (2008/2009)", 254 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 255 ASMC_MBP51_TEMPS, ASMC_MBP51_TEMPNAMES, ASMC_MBP51_TEMPDESCS 256 }, 257 258 { 259 "MacBookPro5,5", "Apple SMC MacBook Pro Core 2 Duo (Mid 2009)", 260 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 261 ASMC_MBP55_TEMPS, ASMC_MBP55_TEMPNAMES, ASMC_MBP55_TEMPDESCS 262 }, 263 264 { 265 "MacBookPro6,2", "Apple SMC MacBook Pro (Mid 2010, 15-inch)", 266 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 267 ASMC_MBP62_TEMPS, ASMC_MBP62_TEMPNAMES, ASMC_MBP62_TEMPDESCS 268 }, 269 270 { 271 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)", 272 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 273 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS 274 }, 275 276 { 277 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)", 278 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 279 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS 280 }, 281 282 { 283 "MacBookPro8,3", "Apple SMC MacBook Pro (early 2011, 17-inch)", 284 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 285 ASMC_MBP83_TEMPS, ASMC_MBP83_TEMPNAMES, ASMC_MBP83_TEMPDESCS 286 }, 287 288 { 289 "MacBookPro9,1", "Apple SMC MacBook Pro (mid 2012, 15-inch)", 290 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 291 ASMC_MBP91_TEMPS, ASMC_MBP91_TEMPNAMES, ASMC_MBP91_TEMPDESCS 292 }, 293 294 { 295 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012, 13-inch)", 296 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 297 ASMC_MBP92_TEMPS, ASMC_MBP92_TEMPNAMES, ASMC_MBP92_TEMPDESCS 298 }, 299 300 { 301 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 302 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 303 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS 304 }, 305 306 { 307 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 308 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 309 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS 310 }, 311 312 { 313 "MacBookPro11,4", "Apple SMC MacBook Pro Retina Core i7 (mid 2015, 15-inch)", 314 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 315 ASMC_MBP114_TEMPS, ASMC_MBP114_TEMPNAMES, ASMC_MBP114_TEMPDESCS 316 }, 317 318 { 319 "MacBookPro11,5", 320 "Apple SMC MacBook Pro Retina Core i7 (mid 2015, 15-inch, AMD GPU)", 321 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 322 ASMC_MBP115_TEMPS, ASMC_MBP115_TEMPNAMES, ASMC_MBP115_TEMPDESCS 323 }, 324 325 /* The Mac Mini has no SMS */ 326 { 327 "Macmini1,1", "Apple SMC Mac Mini", 328 ASMC_SMS_FUNCS_DISABLED, 329 ASMC_FAN_FUNCS, 330 ASMC_LIGHT_FUNCS_DISABLED, 331 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 332 }, 333 334 /* The Mac Mini 2,1 has no SMS */ 335 { 336 "Macmini2,1", "Apple SMC Mac Mini 2,1", 337 ASMC_SMS_FUNCS_DISABLED, 338 ASMC_FAN_FUNCS, 339 ASMC_LIGHT_FUNCS_DISABLED, 340 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS 341 }, 342 343 /* The Mac Mini 3,1 has no SMS */ 344 { 345 "Macmini3,1", "Apple SMC Mac Mini 3,1", 346 ASMC_SMS_FUNCS_DISABLED, 347 ASMC_FAN_FUNCS, 348 ASMC_LIGHT_FUNCS_DISABLED, 349 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS 350 }, 351 352 /* The Mac Mini 4,1 (Mid-2010) has no SMS */ 353 { 354 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)", 355 ASMC_SMS_FUNCS_DISABLED, 356 ASMC_FAN_FUNCS2, 357 ASMC_LIGHT_FUNCS_DISABLED, 358 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS 359 }, 360 361 /* The Mac Mini 5,1 has no SMS */ 362 /* - same sensors as Mac Mini 5,2 */ 363 { 364 "Macmini5,1", "Apple SMC Mac Mini 5,1", 365 ASMC_SMS_FUNCS_DISABLED, 366 ASMC_FAN_FUNCS2, 367 ASMC_LIGHT_FUNCS_DISABLED, 368 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 369 }, 370 371 /* The Mac Mini 5,2 has no SMS */ 372 { 373 "Macmini5,2", "Apple SMC Mac Mini 5,2", 374 ASMC_SMS_FUNCS_DISABLED, 375 ASMC_FAN_FUNCS2, 376 ASMC_LIGHT_FUNCS_DISABLED, 377 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 378 }, 379 380 /* The Mac Mini 5,3 has no SMS */ 381 /* - same sensors as Mac Mini 5,2 */ 382 { 383 "Macmini5,3", "Apple SMC Mac Mini 5,3", 384 ASMC_SMS_FUNCS_DISABLED, 385 ASMC_FAN_FUNCS2, 386 ASMC_LIGHT_FUNCS_DISABLED, 387 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 388 }, 389 390 /* The Mac Mini 6,1 has no SMS */ 391 { 392 "Macmini6,1", "Apple SMC Mac Mini 6,1", 393 ASMC_SMS_FUNCS_DISABLED, 394 ASMC_FAN_FUNCS2, 395 ASMC_LIGHT_FUNCS_DISABLED, 396 ASMC_MM61_TEMPS, ASMC_MM61_TEMPNAMES, ASMC_MM61_TEMPDESCS 397 }, 398 399 /* The Mac Mini 6,2 has no SMS */ 400 { 401 "Macmini6,2", "Apple SMC Mac Mini 6,2", 402 ASMC_SMS_FUNCS_DISABLED, 403 ASMC_FAN_FUNCS2, 404 ASMC_LIGHT_FUNCS_DISABLED, 405 ASMC_MM62_TEMPS, ASMC_MM62_TEMPNAMES, ASMC_MM62_TEMPDESCS 406 }, 407 408 /* The Mac Mini 7,1 has no SMS */ 409 { 410 "Macmini7,1", "Apple SMC Mac Mini 7,1", 411 ASMC_SMS_FUNCS_DISABLED, 412 ASMC_FAN_FUNCS2, 413 ASMC_LIGHT_FUNCS_DISABLED, 414 ASMC_MM71_TEMPS, ASMC_MM71_TEMPNAMES, ASMC_MM71_TEMPDESCS 415 }, 416 417 /* Idem for the Mac Pro "Quad Core" (original) */ 418 { 419 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)", 420 ASMC_SMS_FUNCS_DISABLED, 421 ASMC_FAN_FUNCS, 422 ASMC_LIGHT_FUNCS_DISABLED, 423 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS 424 }, 425 426 /* Idem for the Mac Pro (Early 2008) */ 427 { 428 "MacPro3,1", "Apple SMC Mac Pro (Early 2008)", 429 ASMC_SMS_FUNCS_DISABLED, 430 ASMC_FAN_FUNCS, 431 ASMC_LIGHT_FUNCS_DISABLED, 432 ASMC_MP31_TEMPS, ASMC_MP31_TEMPNAMES, ASMC_MP31_TEMPDESCS 433 }, 434 435 /* Idem for the Mac Pro (8-core) */ 436 { 437 "MacPro2", "Apple SMC Mac Pro (8-core)", 438 ASMC_SMS_FUNCS_DISABLED, 439 ASMC_FAN_FUNCS, 440 ASMC_LIGHT_FUNCS_DISABLED, 441 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS 442 }, 443 444 /* Idem for the MacPro 2010*/ 445 { 446 "MacPro5,1", "Apple SMC MacPro (2010)", 447 ASMC_SMS_FUNCS_DISABLED, 448 ASMC_FAN_FUNCS, 449 ASMC_LIGHT_FUNCS_DISABLED, 450 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS 451 }, 452 453 /* Idem for the Mac Pro 2013 (cylinder) */ 454 { 455 "MacPro6,1", "Apple SMC Mac Pro (2013)", 456 ASMC_SMS_FUNCS_DISABLED, 457 ASMC_FAN_FUNCS2, 458 ASMC_LIGHT_FUNCS_DISABLED, 459 ASMC_MP6_TEMPS, ASMC_MP6_TEMPNAMES, ASMC_MP6_TEMPDESCS 460 }, 461 462 { 463 "MacBookAir1,1", "Apple SMC MacBook Air", 464 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 465 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 466 }, 467 468 { 469 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)", 470 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 471 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS 472 }, 473 474 { 475 "MacBookAir4,1", "Apple SMC Macbook Air 11-inch (Mid 2011)", 476 ASMC_SMS_FUNCS_DISABLED, 477 ASMC_FAN_FUNCS2, 478 ASMC_LIGHT_FUNCS, 479 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 480 }, 481 482 { 483 "MacBookAir4,2", "Apple SMC Macbook Air 13-inch (Mid 2011)", 484 ASMC_SMS_FUNCS_DISABLED, 485 ASMC_FAN_FUNCS2, 486 ASMC_LIGHT_FUNCS, 487 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 488 }, 489 490 { 491 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)", 492 ASMC_SMS_FUNCS_DISABLED, 493 ASMC_FAN_FUNCS2, 494 ASMC_LIGHT_FUNCS, 495 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 496 }, 497 498 { 499 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)", 500 ASMC_SMS_FUNCS_DISABLED, 501 ASMC_FAN_FUNCS2, 502 ASMC_LIGHT_FUNCS, 503 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 504 }, 505 { 506 "MacBookAir6,1", "Apple SMC MacBook Air 11-inch (Early 2013)", 507 ASMC_SMS_FUNCS_DISABLED, 508 ASMC_FAN_FUNCS2, 509 ASMC_LIGHT_FUNCS_10BYTE, 510 ASMC_MBA6_TEMPS, ASMC_MBA6_TEMPNAMES, ASMC_MBA6_TEMPDESCS 511 }, 512 { 513 "MacBookAir6,2", "Apple SMC MacBook Air 13-inch (Early 2013)", 514 ASMC_SMS_FUNCS_DISABLED, 515 ASMC_FAN_FUNCS2, 516 ASMC_LIGHT_FUNCS_10BYTE, 517 ASMC_MBA6_TEMPS, ASMC_MBA6_TEMPNAMES, ASMC_MBA6_TEMPDESCS 518 }, 519 { 520 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 521 ASMC_SMS_FUNCS_DISABLED, 522 ASMC_FAN_FUNCS2, 523 ASMC_LIGHT_FUNCS, 524 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 525 }, 526 { 527 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 528 ASMC_SMS_FUNCS_DISABLED, 529 ASMC_FAN_FUNCS2, 530 ASMC_LIGHT_FUNCS, 531 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 532 } 533 }; 534 535 static const struct asmc_model asmc_generic_models[] = { 536 { 537 .smc_model = "MacBookAir", 538 .smc_desc = NULL, 539 ASMC_SMS_FUNCS_DISABLED, 540 ASMC_FAN_FUNCS2, 541 ASMC_LIGHT_FUNCS, 542 ASMC_TEMPS_FUNCS_DISABLED 543 }, 544 { 545 .smc_model = "MacBookPro", 546 .smc_desc = NULL, 547 ASMC_SMS_FUNCS_DISABLED, 548 ASMC_FAN_FUNCS2, 549 ASMC_LIGHT_FUNCS, 550 ASMC_TEMPS_FUNCS_DISABLED 551 }, 552 { 553 .smc_model = "MacPro", 554 .smc_desc = NULL, 555 ASMC_SMS_FUNCS_DISABLED, 556 ASMC_FAN_FUNCS2, 557 ASMC_LIGHT_FUNCS_DISABLED, 558 ASMC_TEMPS_FUNCS_DISABLED 559 }, 560 { 561 .smc_model = "Macmini", 562 .smc_desc = NULL, 563 ASMC_SMS_FUNCS_DISABLED, 564 ASMC_FAN_FUNCS2, 565 ASMC_LIGHT_FUNCS_DISABLED, 566 ASMC_TEMPS_FUNCS_DISABLED 567 } 568 }; 569 570 #undef ASMC_SMS_FUNCS 571 #undef ASMC_SMS_FUNCS_DISABLED 572 #undef ASMC_FAN_FUNCS 573 #undef ASMC_FAN_FUNCS2 574 #undef ASMC_LIGHT_FUNCS 575 576 /* 577 * Driver methods. 578 */ 579 static device_method_t asmc_methods[] = { 580 DEVMETHOD(device_probe, asmc_probe), 581 DEVMETHOD(device_attach, asmc_attach), 582 DEVMETHOD(device_detach, asmc_detach), 583 DEVMETHOD(device_resume, asmc_resume), 584 DEVMETHOD_END 585 }; 586 587 static driver_t asmc_driver = { 588 "asmc", 589 asmc_methods, 590 sizeof(struct asmc_softc) 591 }; 592 593 /* 594 * Debugging 595 */ 596 #define _COMPONENT ACPI_OEM 597 ACPI_MODULE_NAME("ASMC") 598 #ifdef ASMC_DEBUG 599 #define ASMC_DPRINTF(str, ...) device_printf(dev, str, ##__VA_ARGS__) 600 #else 601 #define ASMC_DPRINTF(str, ...) 602 #endif 603 604 /* NB: can't be const */ 605 static char *asmc_ids[] = { "APP0001", NULL }; 606 607 static unsigned int light_control = 0; 608 609 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); 610 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 611 612 static const struct asmc_model * 613 asmc_match(device_t dev) 614 { 615 const struct asmc_model *model; 616 char *model_name; 617 int i; 618 619 model = NULL; 620 621 model_name = kern_getenv("smbios.system.product"); 622 if (model_name == NULL) 623 goto out; 624 625 for (i = 0; i < nitems(asmc_models); i++) { 626 if (strncmp(model_name, asmc_models[i].smc_model, 627 strlen(model_name)) == 0) { 628 model = &asmc_models[i]; 629 goto out; 630 } 631 } 632 for (i = 0; i < nitems(asmc_generic_models); i++) { 633 if (strncmp(model_name, asmc_generic_models[i].smc_model, 634 strlen(asmc_generic_models[i].smc_model)) == 0) { 635 model = &asmc_generic_models[i]; 636 goto out; 637 } 638 } 639 640 out: 641 freeenv(model_name); 642 return (model); 643 } 644 645 static int 646 asmc_probe(device_t dev) 647 { 648 const struct asmc_model *model; 649 const char *device_desc; 650 int rv; 651 652 if (resource_disabled("asmc", 0)) 653 return (ENXIO); 654 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 655 if (rv > 0) 656 return (rv); 657 658 model = asmc_match(dev); 659 if (model == NULL) { 660 device_printf(dev, "model not recognized\n"); 661 return (ENXIO); 662 } 663 device_desc = model->smc_desc == NULL ? 664 model->smc_model : model->smc_desc; 665 device_set_desc(dev, device_desc); 666 667 return (rv); 668 } 669 670 static int 671 asmc_attach(device_t dev) 672 { 673 int i, j; 674 int ret; 675 char name[2]; 676 struct asmc_softc *sc = device_get_softc(dev); 677 struct sysctl_ctx_list *sysctlctx; 678 struct sysctl_oid *sysctlnode; 679 const struct asmc_model *model; 680 681 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 682 &sc->sc_rid_port, RF_ACTIVE); 683 if (sc->sc_ioport == NULL) { 684 device_printf(dev, "unable to allocate IO port\n"); 685 return (ENOMEM); 686 } 687 688 sysctlctx = device_get_sysctl_ctx(dev); 689 sysctlnode = device_get_sysctl_tree(dev); 690 691 model = asmc_match(dev); 692 693 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 694 695 sc->sc_model = model; 696 asmc_init(dev); 697 698 /* 699 * dev.asmc.n.fan.* tree. 700 */ 701 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 702 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 703 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 704 705 for (i = 1; i <= sc->sc_nfan; i++) { 706 j = i - 1; 707 name[0] = '0' + j; 708 name[1] = 0; 709 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 710 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), OID_AUTO, name, 711 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Subtree"); 712 713 SYSCTL_ADD_PROC(sysctlctx, 714 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 715 OID_AUTO, "id", 716 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 717 model->smc_fan_id, "I", "Fan ID"); 718 719 SYSCTL_ADD_PROC(sysctlctx, 720 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 721 OID_AUTO, "speed", 722 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 723 model->smc_fan_speed, "I", "Fan speed in RPM"); 724 725 SYSCTL_ADD_PROC(sysctlctx, 726 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 727 OID_AUTO, "safespeed", 728 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 729 model->smc_fan_safespeed, "I", "Fan safe speed in RPM"); 730 731 SYSCTL_ADD_PROC(sysctlctx, 732 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 733 OID_AUTO, "minspeed", 734 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 735 model->smc_fan_minspeed, "I", "Fan minimum speed in RPM"); 736 737 SYSCTL_ADD_PROC(sysctlctx, 738 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 739 OID_AUTO, "maxspeed", 740 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 741 model->smc_fan_maxspeed, "I", "Fan maximum speed in RPM"); 742 743 SYSCTL_ADD_PROC(sysctlctx, 744 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 745 OID_AUTO, "targetspeed", 746 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 747 model->smc_fan_targetspeed, "I", "Fan target speed in RPM"); 748 749 SYSCTL_ADD_PROC(sysctlctx, 750 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 751 OID_AUTO, "manual", 752 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 753 asmc_mb_sysctl_fanmanual, "I", 754 "Fan manual mode (0=auto, 1=manual)"); 755 } 756 757 /* 758 * dev.asmc.n.temp tree. 759 */ 760 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 761 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 762 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 763 764 for (i = 0; model->smc_temps[i]; i++) { 765 SYSCTL_ADD_PROC(sysctlctx, 766 SYSCTL_CHILDREN(sc->sc_temp_tree), 767 OID_AUTO, model->smc_tempnames[i], 768 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, i, 769 asmc_temp_sysctl, "I", 770 model->smc_tempdescs[i]); 771 } 772 773 /* 774 * dev.asmc.n.light 775 */ 776 if (model->smc_light_left) { 777 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 778 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 779 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 780 "Keyboard backlight sensors"); 781 782 SYSCTL_ADD_PROC(sysctlctx, 783 SYSCTL_CHILDREN(sc->sc_light_tree), 784 OID_AUTO, "left", 785 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 786 dev, 0, model->smc_light_left, "I", 787 "Keyboard backlight left sensor"); 788 789 SYSCTL_ADD_PROC(sysctlctx, 790 SYSCTL_CHILDREN(sc->sc_light_tree), 791 OID_AUTO, "right", 792 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, 0, 793 model->smc_light_right, "I", 794 "Keyboard backlight right sensor"); 795 796 SYSCTL_ADD_PROC(sysctlctx, 797 SYSCTL_CHILDREN(sc->sc_light_tree), 798 OID_AUTO, "control", 799 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_MPSAFE, 800 dev, 0, model->smc_light_control, "I", 801 "Keyboard backlight brightness control"); 802 } 803 804 if (model->smc_sms_x == NULL) 805 goto nosms; 806 807 /* 808 * dev.asmc.n.sms tree. 809 */ 810 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 811 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 812 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 813 814 SYSCTL_ADD_PROC(sysctlctx, 815 SYSCTL_CHILDREN(sc->sc_sms_tree), 816 OID_AUTO, "x", 817 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 818 dev, 0, model->smc_sms_x, "I", 819 "Sudden Motion Sensor X value"); 820 821 SYSCTL_ADD_PROC(sysctlctx, 822 SYSCTL_CHILDREN(sc->sc_sms_tree), 823 OID_AUTO, "y", 824 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 825 dev, 0, model->smc_sms_y, "I", 826 "Sudden Motion Sensor Y value"); 827 828 SYSCTL_ADD_PROC(sysctlctx, 829 SYSCTL_CHILDREN(sc->sc_sms_tree), 830 OID_AUTO, "z", 831 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 832 dev, 0, model->smc_sms_z, "I", 833 "Sudden Motion Sensor Z value"); 834 835 /* 836 * Need a taskqueue to send devctl_notify() events 837 * when the SMS interrupt us. 838 * 839 * PI_REALTIME is used due to the sensitivity of the 840 * interrupt. An interrupt from the SMS means that the 841 * disk heads should be turned off as quickly as possible. 842 * 843 * We only need to do this for the non INTR_FILTER case. 844 */ 845 sc->sc_sms_tq = NULL; 846 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 847 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 848 taskqueue_thread_enqueue, &sc->sc_sms_tq); 849 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 850 device_get_nameunit(dev)); 851 /* 852 * Allocate an IRQ for the SMS. 853 */ 854 sc->sc_rid_irq = 0; 855 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_rid_irq, 856 RF_ACTIVE); 857 if (sc->sc_irq == NULL) { 858 device_printf(dev, "unable to allocate IRQ resource\n"); 859 ret = ENXIO; 860 goto err; 861 } 862 863 ret = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_MISC | INTR_MPSAFE, 864 asmc_sms_intrfast, NULL, dev, &sc->sc_cookie); 865 if (ret) { 866 device_printf(dev, "unable to setup SMS IRQ\n"); 867 goto err; 868 } 869 870 nosms: 871 return (0); 872 873 err: 874 asmc_detach(dev); 875 876 return (ret); 877 } 878 879 static int 880 asmc_detach(device_t dev) 881 { 882 struct asmc_softc *sc = device_get_softc(dev); 883 884 if (sc->sc_sms_tq) { 885 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 886 taskqueue_free(sc->sc_sms_tq); 887 sc->sc_sms_tq = NULL; 888 } 889 if (sc->sc_cookie) { 890 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 891 sc->sc_cookie = NULL; 892 } 893 if (sc->sc_irq) { 894 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 895 sc->sc_irq); 896 sc->sc_irq = NULL; 897 } 898 if (sc->sc_ioport) { 899 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 900 sc->sc_ioport); 901 sc->sc_ioport = NULL; 902 } 903 if (mtx_initialized(&sc->sc_mtx)) { 904 mtx_destroy(&sc->sc_mtx); 905 } 906 907 return (0); 908 } 909 910 static int 911 asmc_resume(device_t dev) 912 { 913 uint8_t buf[2]; 914 915 buf[0] = light_control; 916 buf[1] = 0x00; 917 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); 918 919 return (0); 920 } 921 922 #ifdef ASMC_DEBUG 923 void 924 asmc_dumpall(device_t dev) 925 { 926 struct asmc_softc *sc = device_get_softc(dev); 927 int i; 928 929 if (sc->sc_nkeys == 0) { 930 device_printf(dev, "asmc_dumpall: key count not available\n"); 931 return; 932 } 933 934 device_printf(dev, "asmc_dumpall: dumping %d keys\n", sc->sc_nkeys); 935 for (i = 0; i < sc->sc_nkeys; i++) 936 asmc_key_dump(dev, i); 937 } 938 #endif 939 940 static int 941 asmc_init(device_t dev) 942 { 943 struct asmc_softc *sc = device_get_softc(dev); 944 struct sysctl_ctx_list *sysctlctx; 945 uint8_t buf[6]; 946 int i, error = 1; 947 948 sysctlctx = device_get_sysctl_ctx(dev); 949 950 error = asmc_key_read(dev, ASMC_KEY_REV, buf, 6); 951 if (error != 0) 952 goto out_err; 953 device_printf(dev, "SMC revision: %x.%x%x%x\n", buf[0], buf[1], buf[2], 954 ntohs(*(uint16_t *)buf + 4)); 955 956 if (sc->sc_model->smc_sms_x == NULL) 957 goto nosms; 958 959 /* 960 * We are ready to receive interrupts from the SMS. 961 */ 962 buf[0] = 0x01; 963 ASMC_DPRINTF(("intok key\n")); 964 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 965 DELAY(50); 966 967 /* 968 * Initiate the polling intervals. 969 */ 970 buf[0] = 20; /* msecs */ 971 ASMC_DPRINTF(("low int key\n")); 972 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 973 DELAY(200); 974 975 buf[0] = 20; /* msecs */ 976 ASMC_DPRINTF(("high int key\n")); 977 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 978 DELAY(200); 979 980 buf[0] = 0x00; 981 buf[1] = 0x60; 982 ASMC_DPRINTF(("sms low key\n")); 983 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 984 DELAY(200); 985 986 buf[0] = 0x01; 987 buf[1] = 0xc0; 988 ASMC_DPRINTF(("sms high key\n")); 989 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 990 DELAY(200); 991 992 /* 993 * I'm not sure what this key does, but it seems to be 994 * required. 995 */ 996 buf[0] = 0x01; 997 ASMC_DPRINTF(("sms flag key\n")); 998 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 999 DELAY(100); 1000 1001 sc->sc_sms_intr_works = 0; 1002 1003 /* 1004 * Retry SMS initialization 1000 times 1005 * (takes approx. 2 seconds in worst case) 1006 */ 1007 for (i = 0; i < 1000; i++) { 1008 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 1009 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 1010 error = 0; 1011 sc->sc_sms_intr_works = 1; 1012 goto out; 1013 } 1014 buf[0] = ASMC_SMS_INIT1; 1015 buf[1] = ASMC_SMS_INIT2; 1016 ASMC_DPRINTF(("sms key\n")); 1017 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 1018 DELAY(50); 1019 } 1020 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 1021 1022 out: 1023 asmc_sms_calibrate(dev); 1024 nosms: 1025 /* Wake-on-LAN convenience sysctl */ 1026 if (asmc_key_read(dev, ASMC_KEY_AUPO, buf, 1) == 0) { 1027 SYSCTL_ADD_PROC(sysctlctx, 1028 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 1029 OID_AUTO, "wol", 1030 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 1031 dev, 0, asmc_wol_sysctl, "I", 1032 "Wake-on-LAN enable (0=off, 1=on)"); 1033 } 1034 1035 sc->sc_nfan = asmc_fan_count(dev); 1036 if (sc->sc_nfan > ASMC_MAXFANS) { 1037 device_printf(dev, 1038 "more than %d fans were detected. Please report this.\n", 1039 ASMC_MAXFANS); 1040 sc->sc_nfan = ASMC_MAXFANS; 1041 } 1042 1043 /* 1044 * Read and cache the number of SMC keys (32 bit buffer) 1045 */ 1046 if (asmc_key_read(dev, ASMC_NKEYS, buf, 4) == 0) { 1047 sc->sc_nkeys = be32dec(buf); 1048 if (bootverbose) 1049 device_printf(dev, "number of keys: %d\n", 1050 sc->sc_nkeys); 1051 } else { 1052 sc->sc_nkeys = 0; 1053 } 1054 1055 out_err: 1056 #ifdef ASMC_DEBUG 1057 asmc_dumpall(dev); 1058 #endif 1059 return (error); 1060 } 1061 1062 /* 1063 * We need to make sure that the SMC acks the byte sent. 1064 * Just wait up to (amount * 10) ms. 1065 */ 1066 static int 1067 asmc_wait_ack(device_t dev, uint8_t val, int amount) 1068 { 1069 struct asmc_softc *sc = device_get_softc(dev); 1070 u_int i; 1071 1072 val = val & ASMC_STATUS_MASK; 1073 1074 for (i = 0; i < amount; i++) { 1075 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 1076 return (0); 1077 DELAY(10); 1078 } 1079 1080 return (1); 1081 } 1082 1083 /* 1084 * We need to make sure that the SMC acks the byte sent. 1085 * Just wait up to 100 ms. 1086 */ 1087 static int 1088 asmc_wait(device_t dev, uint8_t val) 1089 { 1090 #ifdef ASMC_DEBUG 1091 struct asmc_softc *sc; 1092 #endif 1093 1094 if (asmc_wait_ack(dev, val, 1000) == 0) 1095 return (0); 1096 1097 #ifdef ASMC_DEBUG 1098 sc = device_get_softc(dev); 1099 1100 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, 1101 val & ASMC_STATUS_MASK, ASMC_CMDPORT_READ(sc)); 1102 #endif 1103 return (1); 1104 } 1105 1106 /* 1107 * Send the given command, retrying up to 10 times if 1108 * the acknowledgement fails. 1109 */ 1110 static int 1111 asmc_command(device_t dev, uint8_t command) 1112 { 1113 int i; 1114 struct asmc_softc *sc = device_get_softc(dev); 1115 1116 for (i = 0; i < 10; i++) { 1117 ASMC_CMDPORT_WRITE(sc, command); 1118 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 1119 return (0); 1120 } 1121 } 1122 1123 #ifdef ASMC_DEBUG 1124 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 1125 ASMC_CMDPORT_READ(sc)); 1126 #endif 1127 return (1); 1128 } 1129 1130 static int 1131 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1132 { 1133 int i, error = 1, try = 0; 1134 struct asmc_softc *sc = device_get_softc(dev); 1135 1136 mtx_lock_spin(&sc->sc_mtx); 1137 1138 begin: 1139 if (asmc_command(dev, ASMC_CMDREAD)) 1140 goto out; 1141 1142 for (i = 0; i < 4; i++) { 1143 ASMC_DATAPORT_WRITE(sc, key[i]); 1144 if (asmc_wait(dev, 0x04)) 1145 goto out; 1146 } 1147 1148 ASMC_DATAPORT_WRITE(sc, len); 1149 1150 for (i = 0; i < len; i++) { 1151 if (asmc_wait(dev, 0x05)) 1152 goto out; 1153 buf[i] = ASMC_DATAPORT_READ(sc); 1154 } 1155 1156 error = 0; 1157 out: 1158 if (error) { 1159 if (++try < 10) 1160 goto begin; 1161 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1162 __func__, key, try); 1163 } 1164 1165 mtx_unlock_spin(&sc->sc_mtx); 1166 1167 return (error); 1168 } 1169 1170 #ifdef ASMC_DEBUG 1171 static int 1172 asmc_key_dump(device_t dev, int number) 1173 { 1174 struct asmc_softc *sc = device_get_softc(dev); 1175 char key[5] = { 0 }; 1176 char type[7] = { 0 }; 1177 uint8_t index[4]; 1178 uint8_t v[32]; 1179 uint8_t maxlen; 1180 int i, error = 1, try = 0; 1181 1182 mtx_lock_spin(&sc->sc_mtx); 1183 1184 index[0] = (number >> 24) & 0xff; 1185 index[1] = (number >> 16) & 0xff; 1186 index[2] = (number >> 8) & 0xff; 1187 index[3] = (number) & 0xff; 1188 1189 begin: 1190 if (asmc_command(dev, 0x12)) 1191 goto out; 1192 1193 for (i = 0; i < 4; i++) { 1194 ASMC_DATAPORT_WRITE(sc, index[i]); 1195 if (asmc_wait(dev, 0x04)) 1196 goto out; 1197 } 1198 1199 ASMC_DATAPORT_WRITE(sc, 4); 1200 1201 for (i = 0; i < 4; i++) { 1202 if (asmc_wait(dev, 0x05)) 1203 goto out; 1204 key[i] = ASMC_DATAPORT_READ(sc); 1205 } 1206 1207 /* get type */ 1208 if (asmc_command(dev, 0x13)) 1209 goto out; 1210 1211 for (i = 0; i < 4; i++) { 1212 ASMC_DATAPORT_WRITE(sc, key[i]); 1213 if (asmc_wait(dev, 0x04)) 1214 goto out; 1215 } 1216 1217 ASMC_DATAPORT_WRITE(sc, 6); 1218 1219 for (i = 0; i < 6; i++) { 1220 if (asmc_wait(dev, 0x05)) 1221 goto out; 1222 type[i] = ASMC_DATAPORT_READ(sc); 1223 } 1224 1225 error = 0; 1226 out: 1227 if (error) { 1228 if (++try < 10) 1229 goto begin; 1230 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1231 __func__, key, try); 1232 mtx_unlock_spin(&sc->sc_mtx); 1233 } else { 1234 char buf[1024]; 1235 char buf2[8]; 1236 mtx_unlock_spin(&sc->sc_mtx); 1237 maxlen = type[0]; 1238 type[0] = ' '; 1239 type[5] = 0; 1240 if (maxlen > sizeof(v)) { 1241 device_printf(dev, 1242 "WARNING: cropping maxlen from %d to %zu\n", maxlen, 1243 sizeof(v)); 1244 maxlen = sizeof(v); 1245 } 1246 for (i = 0; i < sizeof(v); i++) { 1247 v[i] = 0; 1248 } 1249 asmc_key_read(dev, key, v, maxlen); 1250 snprintf(buf, sizeof(buf), 1251 "key %d is: %s, type %s (len %d), data", 1252 number, key, type, maxlen); 1253 for (i = 0; i < maxlen; i++) { 1254 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1255 strlcat(buf, buf2, sizeof(buf)); 1256 } 1257 strlcat(buf, " \n", sizeof(buf)); 1258 device_printf(dev, "%s", buf); 1259 } 1260 1261 return (error); 1262 } 1263 #endif 1264 1265 static int 1266 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1267 { 1268 int i, error = -1, try = 0; 1269 struct asmc_softc *sc = device_get_softc(dev); 1270 1271 mtx_lock_spin(&sc->sc_mtx); 1272 1273 begin: 1274 ASMC_DPRINTF(("cmd port: cmd write\n")); 1275 if (asmc_command(dev, ASMC_CMDWRITE)) 1276 goto out; 1277 1278 ASMC_DPRINTF(("data port: key\n")); 1279 for (i = 0; i < 4; i++) { 1280 ASMC_DATAPORT_WRITE(sc, key[i]); 1281 if (asmc_wait(dev, 0x04)) 1282 goto out; 1283 } 1284 ASMC_DPRINTF(("data port: length\n")); 1285 ASMC_DATAPORT_WRITE(sc, len); 1286 1287 ASMC_DPRINTF(("data port: buffer\n")); 1288 for (i = 0; i < len; i++) { 1289 if (asmc_wait(dev, 0x04)) 1290 goto out; 1291 ASMC_DATAPORT_WRITE(sc, buf[i]); 1292 } 1293 1294 error = 0; 1295 out: 1296 if (error) { 1297 if (++try < 10) 1298 goto begin; 1299 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1300 __func__, key, try); 1301 } 1302 1303 mtx_unlock_spin(&sc->sc_mtx); 1304 1305 return (error); 1306 } 1307 1308 /* 1309 * Fan control functions. 1310 */ 1311 static int 1312 asmc_fan_count(device_t dev) 1313 { 1314 uint8_t buf[1]; 1315 1316 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof(buf)) != 0) 1317 return (-1); 1318 1319 return (buf[0]); 1320 } 1321 1322 static int 1323 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1324 { 1325 int speed; 1326 uint8_t buf[2]; 1327 char fankey[5]; 1328 1329 snprintf(fankey, sizeof(fankey), key, fan); 1330 if (asmc_key_read(dev, fankey, buf, sizeof(buf)) != 0) 1331 return (-1); 1332 speed = (buf[0] << 6) | (buf[1] >> 2); 1333 1334 return (speed); 1335 } 1336 1337 static char * 1338 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, 1339 uint8_t buflen) 1340 { 1341 char fankey[5]; 1342 char *desc; 1343 1344 snprintf(fankey, sizeof(fankey), key, fan); 1345 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1346 return (NULL); 1347 desc = buf + 4; 1348 1349 return (desc); 1350 } 1351 1352 static int 1353 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1354 { 1355 uint8_t buf[2]; 1356 char fankey[5]; 1357 1358 speed *= 4; 1359 1360 buf[0] = speed >> 8; 1361 buf[1] = speed; 1362 1363 snprintf(fankey, sizeof(fankey), key, fan); 1364 if (asmc_key_write(dev, fankey, buf, sizeof(buf)) < 0) 1365 return (-1); 1366 1367 return (0); 1368 } 1369 1370 static int 1371 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1372 { 1373 device_t dev = (device_t)arg1; 1374 int fan = arg2; 1375 int error; 1376 int32_t v; 1377 1378 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1379 error = sysctl_handle_int(oidp, &v, 0, req); 1380 1381 return (error); 1382 } 1383 1384 static int 1385 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1386 { 1387 uint8_t buf[16]; 1388 device_t dev = (device_t)arg1; 1389 int fan = arg2; 1390 int error = true; 1391 char *desc; 1392 1393 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1394 1395 if (desc != NULL) 1396 error = sysctl_handle_string(oidp, desc, 0, req); 1397 1398 return (error); 1399 } 1400 1401 static int 1402 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1403 { 1404 device_t dev = (device_t)arg1; 1405 int fan = arg2; 1406 int error; 1407 int32_t v; 1408 1409 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1410 error = sysctl_handle_int(oidp, &v, 0, req); 1411 1412 return (error); 1413 } 1414 1415 static int 1416 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1417 { 1418 device_t dev = (device_t)arg1; 1419 int fan = arg2; 1420 int error; 1421 int32_t v; 1422 1423 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1424 error = sysctl_handle_int(oidp, &v, 0, req); 1425 1426 if (error == 0 && req->newptr != NULL) { 1427 unsigned int newspeed = v; 1428 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1429 } 1430 1431 return (error); 1432 } 1433 1434 static int 1435 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 1436 { 1437 device_t dev = (device_t)arg1; 1438 int fan = arg2; 1439 int error; 1440 int32_t v; 1441 1442 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 1443 error = sysctl_handle_int(oidp, &v, 0, req); 1444 1445 if (error == 0 && req->newptr != NULL) { 1446 unsigned int newspeed = v; 1447 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1448 } 1449 1450 return (error); 1451 } 1452 1453 static int 1454 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1455 { 1456 device_t dev = (device_t)arg1; 1457 int fan = arg2; 1458 int error; 1459 int32_t v; 1460 1461 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1462 error = sysctl_handle_int(oidp, &v, 0, req); 1463 1464 if (error == 0 && req->newptr != NULL) { 1465 unsigned int newspeed = v; 1466 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1467 } 1468 1469 return (error); 1470 } 1471 1472 static int 1473 asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS) 1474 { 1475 device_t dev = (device_t)arg1; 1476 int fan = arg2; 1477 int error; 1478 int32_t v; 1479 uint8_t buf[2]; 1480 uint16_t val; 1481 1482 /* Read current FS! bitmask (asmc_key_read locks internally) */ 1483 error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, sizeof(buf)); 1484 if (error != 0) 1485 return (error); 1486 1487 /* Extract manual bit for this fan (big-endian) */ 1488 val = (buf[0] << 8) | buf[1]; 1489 v = (val >> fan) & 0x01; 1490 1491 /* Let sysctl handle the value */ 1492 error = sysctl_handle_int(oidp, &v, 0, req); 1493 1494 if (error == 0 && req->newptr != NULL) { 1495 /* Validate input (0 = auto, 1 = manual) */ 1496 if (v != 0 && v != 1) 1497 return (EINVAL); 1498 /* Read-modify-write of FS! bitmask */ 1499 error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, 1500 sizeof(buf)); 1501 if (error == 0) { 1502 val = (buf[0] << 8) | buf[1]; 1503 1504 /* Modify single bit */ 1505 if (v) 1506 val |= (1 << fan); /* Set to manual */ 1507 else 1508 val &= ~(1 << fan); /* Set to auto */ 1509 1510 /* Write back */ 1511 buf[0] = val >> 8; 1512 buf[1] = val & 0xff; 1513 error = asmc_key_write(dev, ASMC_KEY_FANMANUAL, buf, 1514 sizeof(buf)); 1515 } 1516 } 1517 1518 return (error); 1519 } 1520 1521 /* 1522 * Temperature functions. 1523 */ 1524 static int 1525 asmc_temp_getvalue(device_t dev, const char *key) 1526 { 1527 uint8_t buf[2]; 1528 1529 /* 1530 * Check for invalid temperatures. 1531 */ 1532 if (asmc_key_read(dev, key, buf, sizeof(buf)) != 0) 1533 return (-1); 1534 1535 return (buf[0]); 1536 } 1537 1538 static int 1539 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1540 { 1541 device_t dev = (device_t)arg1; 1542 struct asmc_softc *sc = device_get_softc(dev); 1543 int error, val; 1544 1545 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1546 error = sysctl_handle_int(oidp, &val, 0, req); 1547 1548 return (error); 1549 } 1550 1551 /* 1552 * Sudden Motion Sensor functions. 1553 */ 1554 static int 1555 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1556 { 1557 uint8_t buf[2]; 1558 int error; 1559 1560 /* no need to do locking here as asmc_key_read() already does it */ 1561 switch (key[3]) { 1562 case 'X': 1563 case 'Y': 1564 case 'Z': 1565 error = asmc_key_read(dev, key, buf, sizeof(buf)); 1566 break; 1567 default: 1568 device_printf(dev, "%s called with invalid argument %s\n", 1569 __func__, key); 1570 error = EINVAL; 1571 goto out; 1572 } 1573 *val = ((int16_t)buf[0] << 8) | buf[1]; 1574 out: 1575 return (error); 1576 } 1577 1578 static void 1579 asmc_sms_calibrate(device_t dev) 1580 { 1581 struct asmc_softc *sc = device_get_softc(dev); 1582 1583 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1584 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1585 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1586 } 1587 1588 static int 1589 asmc_sms_intrfast(void *arg) 1590 { 1591 uint8_t type; 1592 device_t dev = (device_t)arg; 1593 struct asmc_softc *sc = device_get_softc(dev); 1594 if (!sc->sc_sms_intr_works) 1595 return (FILTER_HANDLED); 1596 1597 mtx_lock_spin(&sc->sc_mtx); 1598 type = ASMC_INTPORT_READ(sc); 1599 mtx_unlock_spin(&sc->sc_mtx); 1600 1601 sc->sc_sms_intrtype = type; 1602 asmc_sms_printintr(dev, type); 1603 1604 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1605 return (FILTER_HANDLED); 1606 } 1607 1608 static void 1609 asmc_sms_printintr(device_t dev, uint8_t type) 1610 { 1611 struct asmc_softc *sc = device_get_softc(dev); 1612 1613 switch (type) { 1614 case ASMC_SMS_INTFF: 1615 device_printf(dev, "WARNING: possible free fall!\n"); 1616 break; 1617 case ASMC_SMS_INTHA: 1618 device_printf(dev, "WARNING: high acceleration detected!\n"); 1619 break; 1620 case ASMC_SMS_INTSH: 1621 device_printf(dev, "WARNING: possible shock!\n"); 1622 break; 1623 case ASMC_ALSL_INT2A: 1624 /* 1625 * This suppresses console and log messages for the ambient 1626 * light sensor for models known to generate this interrupt. 1627 */ 1628 if (strcmp(sc->sc_model->smc_model, "MacBookPro5,5") == 0 || 1629 strcmp(sc->sc_model->smc_model, "MacBookPro6,2") == 0) 1630 break; 1631 /* FALLTHROUGH */ 1632 default: 1633 device_printf(dev, "unknown interrupt: 0x%x\n", type); 1634 } 1635 } 1636 1637 static void 1638 asmc_sms_task(void *arg, int pending) 1639 { 1640 struct asmc_softc *sc = (struct asmc_softc *)arg; 1641 char notify[16]; 1642 int type; 1643 1644 switch (sc->sc_sms_intrtype) { 1645 case ASMC_SMS_INTFF: 1646 type = 2; 1647 break; 1648 case ASMC_SMS_INTHA: 1649 type = 1; 1650 break; 1651 case ASMC_SMS_INTSH: 1652 type = 0; 1653 break; 1654 default: 1655 type = 255; 1656 } 1657 1658 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1659 devctl_notify("ACPI", "asmc", "SMS", notify); 1660 } 1661 1662 static int 1663 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS) 1664 { 1665 device_t dev = (device_t)arg1; 1666 int error; 1667 int16_t val; 1668 int32_t v; 1669 1670 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val); 1671 v = (int32_t)val; 1672 error = sysctl_handle_int(oidp, &v, 0, req); 1673 1674 return (error); 1675 } 1676 1677 static int 1678 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1679 { 1680 device_t dev = (device_t)arg1; 1681 int error; 1682 int16_t val; 1683 int32_t v; 1684 1685 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1686 v = (int32_t)val; 1687 error = sysctl_handle_int(oidp, &v, 0, req); 1688 1689 return (error); 1690 } 1691 1692 static int 1693 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1694 { 1695 device_t dev = (device_t)arg1; 1696 int error; 1697 int16_t val; 1698 int32_t v; 1699 1700 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1701 v = (int32_t)val; 1702 error = sysctl_handle_int(oidp, &v, 0, req); 1703 1704 return (error); 1705 } 1706 1707 static int 1708 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1709 { 1710 device_t dev = (device_t)arg1; 1711 uint8_t buf[6]; 1712 int error; 1713 int32_t v; 1714 1715 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof(buf)); 1716 v = buf[2]; 1717 error = sysctl_handle_int(oidp, &v, 0, req); 1718 1719 return (error); 1720 } 1721 1722 static int 1723 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1724 { 1725 device_t dev = (device_t)arg1; 1726 uint8_t buf[6]; 1727 int error; 1728 int32_t v; 1729 1730 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof(buf)); 1731 v = buf[2]; 1732 error = sysctl_handle_int(oidp, &v, 0, req); 1733 1734 return (error); 1735 } 1736 1737 static int 1738 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1739 { 1740 device_t dev = (device_t)arg1; 1741 uint8_t buf[2]; 1742 int error; 1743 int v; 1744 1745 v = light_control; 1746 error = sysctl_handle_int(oidp, &v, 0, req); 1747 1748 if (error == 0 && req->newptr != NULL) { 1749 if (v < 0 || v > 255) 1750 return (EINVAL); 1751 light_control = v; 1752 buf[0] = light_control; 1753 buf[1] = 0x00; 1754 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); 1755 } 1756 return (error); 1757 } 1758 1759 static int 1760 asmc_mbp_sysctl_light_left_10byte(SYSCTL_HANDLER_ARGS) 1761 { 1762 device_t dev = (device_t)arg1; 1763 uint8_t buf[10]; 1764 int error; 1765 uint32_t v; 1766 1767 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof(buf)); 1768 1769 /* 1770 * This seems to be a 32 bit big endian value from buf[6] -> buf[9]. 1771 * 1772 * Extract it out manually here, then shift/clamp it. 1773 */ 1774 v = be32dec(&buf[6]); 1775 1776 /* 1777 * Shift out, clamp at 255; that way it looks like the 1778 * earlier SMC firmware version responses. 1779 */ 1780 v = v >> 8; 1781 if (v > 255) 1782 v = 255; 1783 1784 error = sysctl_handle_int(oidp, &v, 0, req); 1785 1786 return (error); 1787 } 1788 1789 /* 1790 * Wake-on-LAN convenience sysctl. 1791 * Reading returns 1 if WoL is enabled, 0 if disabled. 1792 * Writing 1 enables WoL, 0 disables it. 1793 */ 1794 static int 1795 asmc_wol_sysctl(SYSCTL_HANDLER_ARGS) 1796 { 1797 device_t dev = (device_t)arg1; 1798 uint8_t aupo; 1799 int val, error; 1800 1801 /* Read current AUPO value */ 1802 if (asmc_key_read(dev, ASMC_KEY_AUPO, &aupo, 1) != 0) 1803 return (EIO); 1804 1805 val = (aupo != 0) ? 1 : 0; 1806 error = sysctl_handle_int(oidp, &val, 0, req); 1807 if (error != 0 || req->newptr == NULL) 1808 return (error); 1809 1810 /* Clamp to 0 or 1 */ 1811 aupo = (val != 0) ? 1 : 0; 1812 1813 /* Write AUPO */ 1814 if (asmc_key_write(dev, ASMC_KEY_AUPO, &aupo, 1) != 0) 1815 return (EIO); 1816 1817 return (0); 1818 } 1819