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 #include <dev/backlight/backlight.h> 62 #include "backlight_if.h" 63 64 /* 65 * Device interface. 66 */ 67 static int asmc_probe(device_t dev); 68 static int asmc_attach(device_t dev); 69 static int asmc_detach(device_t dev); 70 static int asmc_resume(device_t dev); 71 72 /* 73 * Backlight interface. 74 */ 75 static int asmc_backlight_update_status(device_t dev, 76 struct backlight_props *props); 77 static int asmc_backlight_get_status(device_t dev, 78 struct backlight_props *props); 79 static int asmc_backlight_get_info(device_t dev, struct backlight_info *info); 80 81 /* 82 * SMC functions. 83 */ 84 static int asmc_init(device_t dev); 85 static int asmc_command(device_t dev, uint8_t command); 86 static int asmc_wait(device_t dev, uint8_t val); 87 static int asmc_wait_ack(device_t dev, uint8_t val, int amount); 88 static int asmc_key_write(device_t dev, const char *key, uint8_t *buf, 89 uint8_t len); 90 static int asmc_key_read(device_t dev, const char *key, uint8_t *buf, 91 uint8_t); 92 static int asmc_fan_count(device_t dev); 93 static int asmc_fan_getvalue(device_t dev, const char *key, int fan); 94 static int asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed); 95 static int asmc_temp_getvalue(device_t dev, const char *key); 96 static int asmc_sms_read(device_t, const char *key, int16_t *val); 97 static void asmc_sms_calibrate(device_t dev); 98 static int asmc_sms_intrfast(void *arg); 99 static void asmc_sms_printintr(device_t dev, uint8_t); 100 static void asmc_sms_task(void *arg, int pending); 101 #ifdef ASMC_DEBUG 102 void asmc_dumpall(device_t); 103 static int asmc_key_dump(device_t, int); 104 #endif 105 106 /* 107 * Model functions. 108 */ 109 static int asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS); 110 static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS); 111 static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS); 112 static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS); 113 static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS); 114 static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS); 115 static int asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS); 116 static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS); 117 static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS); 118 static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS); 119 static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS); 120 static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS); 121 static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS); 122 static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS); 123 static int asmc_mbp_sysctl_light_left_10byte(SYSCTL_HANDLER_ARGS); 124 static int asmc_wol_sysctl(SYSCTL_HANDLER_ARGS); 125 126 struct asmc_model { 127 const char *smc_model; /* smbios.system.product env var. */ 128 const char *smc_desc; /* driver description */ 129 130 /* Helper functions */ 131 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS); 132 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS); 133 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS); 134 int (*smc_fan_id)(SYSCTL_HANDLER_ARGS); 135 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS); 136 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS); 137 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS); 138 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS); 139 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS); 140 int (*smc_light_left)(SYSCTL_HANDLER_ARGS); 141 int (*smc_light_right)(SYSCTL_HANDLER_ARGS); 142 int (*smc_light_control)(SYSCTL_HANDLER_ARGS); 143 144 const char *smc_temps[ASMC_TEMP_MAX]; 145 const char *smc_tempnames[ASMC_TEMP_MAX]; 146 const char *smc_tempdescs[ASMC_TEMP_MAX]; 147 }; 148 149 static const struct asmc_model *asmc_match(device_t dev); 150 151 #define ASMC_SMS_FUNCS \ 152 .smc_sms_x = asmc_mb_sysctl_sms_x, \ 153 .smc_sms_y = asmc_mb_sysctl_sms_y, \ 154 .smc_sms_z = asmc_mb_sysctl_sms_z 155 156 #define ASMC_SMS_FUNCS_DISABLED \ 157 .smc_sms_x = NULL, \ 158 .smc_sms_y = NULL, \ 159 .smc_sms_z = NULL 160 161 #define ASMC_FAN_FUNCS \ 162 .smc_fan_id = asmc_mb_sysctl_fanid, \ 163 .smc_fan_speed = asmc_mb_sysctl_fanspeed, \ 164 .smc_fan_safespeed = asmc_mb_sysctl_fansafespeed, \ 165 .smc_fan_minspeed = asmc_mb_sysctl_fanminspeed, \ 166 .smc_fan_maxspeed = asmc_mb_sysctl_fanmaxspeed, \ 167 .smc_fan_targetspeed = asmc_mb_sysctl_fantargetspeed 168 169 #define ASMC_FAN_FUNCS2 \ 170 .smc_fan_id = asmc_mb_sysctl_fanid, \ 171 .smc_fan_speed = asmc_mb_sysctl_fanspeed, \ 172 .smc_fan_safespeed = NULL, \ 173 .smc_fan_minspeed = asmc_mb_sysctl_fanminspeed, \ 174 .smc_fan_maxspeed = asmc_mb_sysctl_fanmaxspeed, \ 175 .smc_fan_targetspeed = asmc_mb_sysctl_fantargetspeed 176 177 #define ASMC_LIGHT_FUNCS \ 178 .smc_light_left = asmc_mbp_sysctl_light_left, \ 179 .smc_light_right = asmc_mbp_sysctl_light_right, \ 180 .smc_light_control = asmc_mbp_sysctl_light_control 181 182 #define ASMC_LIGHT_FUNCS_10BYTE \ 183 .smc_light_left = asmc_mbp_sysctl_light_left_10byte, \ 184 .smc_light_right = NULL, \ 185 .smc_light_control = asmc_mbp_sysctl_light_control 186 187 #define ASMC_LIGHT_FUNCS_DISABLED \ 188 .smc_light_left = NULL, \ 189 .smc_light_right = NULL, \ 190 .smc_light_control = NULL 191 192 #define ASMC_TEMPS_FUNCS_DISABLED \ 193 .smc_temps = {}, \ 194 .smc_tempnames = {}, \ 195 .smc_tempdescs = {} \ 196 197 static const struct asmc_model asmc_models[] = { 198 { 199 "MacBook1,1", "Apple SMC MacBook Core Duo", 200 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 201 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 202 }, 203 204 { 205 "MacBook2,1", "Apple SMC MacBook Core 2 Duo", 206 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 207 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS 208 }, 209 210 { 211 "MacBook3,1", "Apple SMC MacBook Core 2 Duo", 212 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 213 ASMC_MB31_TEMPS, ASMC_MB31_TEMPNAMES, ASMC_MB31_TEMPDESCS 214 }, 215 216 { 217 "MacBook7,1", "Apple SMC MacBook Core 2 Duo (mid 2010)", 218 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS_DISABLED, 219 ASMC_MB71_TEMPS, ASMC_MB71_TEMPNAMES, ASMC_MB71_TEMPDESCS 220 }, 221 222 { 223 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-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 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-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 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)", 236 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 237 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 238 }, 239 240 { 241 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)", 242 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 243 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 244 }, 245 246 { 247 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)", 248 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 249 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 250 }, 251 252 { 253 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)", 254 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 255 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS 256 }, 257 258 { 259 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)", 260 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 261 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS 262 }, 263 264 { 265 "MacBookPro5,1", "Apple SMC MacBook Pro Core 2 Duo (2008/2009)", 266 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 267 ASMC_MBP51_TEMPS, ASMC_MBP51_TEMPNAMES, ASMC_MBP51_TEMPDESCS 268 }, 269 270 { 271 "MacBookPro5,5", "Apple SMC MacBook Pro Core 2 Duo (Mid 2009)", 272 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 273 ASMC_MBP55_TEMPS, ASMC_MBP55_TEMPNAMES, ASMC_MBP55_TEMPDESCS 274 }, 275 276 { 277 "MacBookPro6,2", "Apple SMC MacBook Pro (Mid 2010, 15-inch)", 278 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 279 ASMC_MBP62_TEMPS, ASMC_MBP62_TEMPNAMES, ASMC_MBP62_TEMPDESCS 280 }, 281 282 { 283 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)", 284 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 285 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS 286 }, 287 288 { 289 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)", 290 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 291 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS 292 }, 293 294 { 295 "MacBookPro8,3", "Apple SMC MacBook Pro (early 2011, 17-inch)", 296 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 297 ASMC_MBP83_TEMPS, ASMC_MBP83_TEMPNAMES, ASMC_MBP83_TEMPDESCS 298 }, 299 300 { 301 "MacBookPro9,1", "Apple SMC MacBook Pro (mid 2012, 15-inch)", 302 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 303 ASMC_MBP91_TEMPS, ASMC_MBP91_TEMPNAMES, ASMC_MBP91_TEMPDESCS 304 }, 305 306 { 307 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012, 13-inch)", 308 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 309 ASMC_MBP92_TEMPS, ASMC_MBP92_TEMPNAMES, ASMC_MBP92_TEMPDESCS 310 }, 311 312 { 313 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 314 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 315 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS 316 }, 317 318 { 319 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)", 320 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS, 321 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS 322 }, 323 324 { 325 "MacBookPro11,4", "Apple SMC MacBook Pro Retina Core i7 (mid 2015, 15-inch)", 326 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 327 ASMC_MBP114_TEMPS, ASMC_MBP114_TEMPNAMES, ASMC_MBP114_TEMPDESCS 328 }, 329 330 { 331 "MacBookPro11,5", 332 "Apple SMC MacBook Pro Retina Core i7 (mid 2015, 15-inch, AMD GPU)", 333 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS, 334 ASMC_MBP115_TEMPS, ASMC_MBP115_TEMPNAMES, ASMC_MBP115_TEMPDESCS 335 }, 336 337 /* The Mac Mini has no SMS */ 338 { 339 "Macmini1,1", "Apple SMC Mac Mini", 340 ASMC_SMS_FUNCS_DISABLED, 341 ASMC_FAN_FUNCS, 342 ASMC_LIGHT_FUNCS_DISABLED, 343 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS 344 }, 345 346 /* The Mac Mini 2,1 has no SMS */ 347 { 348 "Macmini2,1", "Apple SMC Mac Mini 2,1", 349 ASMC_SMS_FUNCS_DISABLED, 350 ASMC_FAN_FUNCS, 351 ASMC_LIGHT_FUNCS_DISABLED, 352 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS 353 }, 354 355 /* The Mac Mini 3,1 has no SMS */ 356 { 357 "Macmini3,1", "Apple SMC Mac Mini 3,1", 358 ASMC_SMS_FUNCS_DISABLED, 359 ASMC_FAN_FUNCS, 360 ASMC_LIGHT_FUNCS_DISABLED, 361 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS 362 }, 363 364 /* The Mac Mini 4,1 (Mid-2010) has no SMS */ 365 { 366 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)", 367 ASMC_SMS_FUNCS_DISABLED, 368 ASMC_FAN_FUNCS2, 369 ASMC_LIGHT_FUNCS_DISABLED, 370 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS 371 }, 372 373 /* The Mac Mini 5,1 has no SMS */ 374 /* - same sensors as Mac Mini 5,2 */ 375 { 376 "Macmini5,1", "Apple SMC Mac Mini 5,1", 377 ASMC_SMS_FUNCS_DISABLED, 378 ASMC_FAN_FUNCS2, 379 ASMC_LIGHT_FUNCS_DISABLED, 380 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 381 }, 382 383 /* The Mac Mini 5,2 has no SMS */ 384 { 385 "Macmini5,2", "Apple SMC Mac Mini 5,2", 386 ASMC_SMS_FUNCS_DISABLED, 387 ASMC_FAN_FUNCS2, 388 ASMC_LIGHT_FUNCS_DISABLED, 389 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 390 }, 391 392 /* The Mac Mini 5,3 has no SMS */ 393 /* - same sensors as Mac Mini 5,2 */ 394 { 395 "Macmini5,3", "Apple SMC Mac Mini 5,3", 396 ASMC_SMS_FUNCS_DISABLED, 397 ASMC_FAN_FUNCS2, 398 ASMC_LIGHT_FUNCS_DISABLED, 399 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS 400 }, 401 402 /* The Mac Mini 6,1 has no SMS */ 403 { 404 "Macmini6,1", "Apple SMC Mac Mini 6,1", 405 ASMC_SMS_FUNCS_DISABLED, 406 ASMC_FAN_FUNCS2, 407 ASMC_LIGHT_FUNCS_DISABLED, 408 ASMC_MM61_TEMPS, ASMC_MM61_TEMPNAMES, ASMC_MM61_TEMPDESCS 409 }, 410 411 /* The Mac Mini 6,2 has no SMS */ 412 { 413 "Macmini6,2", "Apple SMC Mac Mini 6,2", 414 ASMC_SMS_FUNCS_DISABLED, 415 ASMC_FAN_FUNCS2, 416 ASMC_LIGHT_FUNCS_DISABLED, 417 ASMC_MM62_TEMPS, ASMC_MM62_TEMPNAMES, ASMC_MM62_TEMPDESCS 418 }, 419 420 /* The Mac Mini 7,1 has no SMS */ 421 { 422 "Macmini7,1", "Apple SMC Mac Mini 7,1", 423 ASMC_SMS_FUNCS_DISABLED, 424 ASMC_FAN_FUNCS2, 425 ASMC_LIGHT_FUNCS_DISABLED, 426 ASMC_MM71_TEMPS, ASMC_MM71_TEMPNAMES, ASMC_MM71_TEMPDESCS 427 }, 428 429 /* Idem for the Mac Pro "Quad Core" (original) */ 430 { 431 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)", 432 ASMC_SMS_FUNCS_DISABLED, 433 ASMC_FAN_FUNCS, 434 ASMC_LIGHT_FUNCS_DISABLED, 435 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS 436 }, 437 438 /* Idem for the Mac Pro (Early 2008) */ 439 { 440 "MacPro3,1", "Apple SMC Mac Pro (Early 2008)", 441 ASMC_SMS_FUNCS_DISABLED, 442 ASMC_FAN_FUNCS, 443 ASMC_LIGHT_FUNCS_DISABLED, 444 ASMC_MP31_TEMPS, ASMC_MP31_TEMPNAMES, ASMC_MP31_TEMPDESCS 445 }, 446 447 /* Idem for the Mac Pro (8-core) */ 448 { 449 "MacPro2", "Apple SMC Mac Pro (8-core)", 450 ASMC_SMS_FUNCS_DISABLED, 451 ASMC_FAN_FUNCS, 452 ASMC_LIGHT_FUNCS_DISABLED, 453 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS 454 }, 455 456 /* Idem for the MacPro 2010*/ 457 { 458 "MacPro5,1", "Apple SMC MacPro (2010)", 459 ASMC_SMS_FUNCS_DISABLED, 460 ASMC_FAN_FUNCS, 461 ASMC_LIGHT_FUNCS_DISABLED, 462 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS 463 }, 464 465 /* Idem for the Mac Pro 2013 (cylinder) */ 466 { 467 "MacPro6,1", "Apple SMC Mac Pro (2013)", 468 ASMC_SMS_FUNCS_DISABLED, 469 ASMC_FAN_FUNCS2, 470 ASMC_LIGHT_FUNCS_DISABLED, 471 ASMC_MP6_TEMPS, ASMC_MP6_TEMPNAMES, ASMC_MP6_TEMPDESCS 472 }, 473 474 { 475 "MacBookAir1,1", "Apple SMC MacBook Air", 476 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 477 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS 478 }, 479 480 { 481 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)", 482 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS_DISABLED, 483 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS 484 }, 485 486 { 487 "MacBookAir4,1", "Apple SMC Macbook Air 11-inch (Mid 2011)", 488 ASMC_SMS_FUNCS_DISABLED, 489 ASMC_FAN_FUNCS2, 490 ASMC_LIGHT_FUNCS, 491 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 492 }, 493 494 { 495 "MacBookAir4,2", "Apple SMC Macbook Air 13-inch (Mid 2011)", 496 ASMC_SMS_FUNCS_DISABLED, 497 ASMC_FAN_FUNCS2, 498 ASMC_LIGHT_FUNCS, 499 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS 500 }, 501 502 { 503 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)", 504 ASMC_SMS_FUNCS_DISABLED, 505 ASMC_FAN_FUNCS2, 506 ASMC_LIGHT_FUNCS, 507 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 508 }, 509 510 { 511 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)", 512 ASMC_SMS_FUNCS_DISABLED, 513 ASMC_FAN_FUNCS2, 514 ASMC_LIGHT_FUNCS, 515 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS 516 }, 517 { 518 "MacBookAir6,1", "Apple SMC MacBook Air 11-inch (Early 2013)", 519 ASMC_SMS_FUNCS_DISABLED, 520 ASMC_FAN_FUNCS2, 521 ASMC_LIGHT_FUNCS_10BYTE, 522 ASMC_MBA6_TEMPS, ASMC_MBA6_TEMPNAMES, ASMC_MBA6_TEMPDESCS 523 }, 524 { 525 "MacBookAir6,2", "Apple SMC MacBook Air 13-inch (Early 2013)", 526 ASMC_SMS_FUNCS_DISABLED, 527 ASMC_FAN_FUNCS2, 528 ASMC_LIGHT_FUNCS_10BYTE, 529 ASMC_MBA6_TEMPS, ASMC_MBA6_TEMPNAMES, ASMC_MBA6_TEMPDESCS 530 }, 531 { 532 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)", 533 ASMC_SMS_FUNCS_DISABLED, 534 ASMC_FAN_FUNCS2, 535 ASMC_LIGHT_FUNCS, 536 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 537 }, 538 { 539 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)", 540 ASMC_SMS_FUNCS_DISABLED, 541 ASMC_FAN_FUNCS2, 542 ASMC_LIGHT_FUNCS, 543 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS 544 } 545 }; 546 547 static const struct asmc_model asmc_generic_models[] = { 548 { 549 .smc_model = "MacBookAir", 550 .smc_desc = NULL, 551 ASMC_SMS_FUNCS_DISABLED, 552 ASMC_FAN_FUNCS2, 553 ASMC_LIGHT_FUNCS, 554 ASMC_TEMPS_FUNCS_DISABLED 555 }, 556 { 557 .smc_model = "MacBookPro", 558 .smc_desc = NULL, 559 ASMC_SMS_FUNCS_DISABLED, 560 ASMC_FAN_FUNCS2, 561 ASMC_LIGHT_FUNCS, 562 ASMC_TEMPS_FUNCS_DISABLED 563 }, 564 { 565 .smc_model = "MacPro", 566 .smc_desc = NULL, 567 ASMC_SMS_FUNCS_DISABLED, 568 ASMC_FAN_FUNCS2, 569 ASMC_LIGHT_FUNCS_DISABLED, 570 ASMC_TEMPS_FUNCS_DISABLED 571 }, 572 { 573 .smc_model = "Macmini", 574 .smc_desc = NULL, 575 ASMC_SMS_FUNCS_DISABLED, 576 ASMC_FAN_FUNCS2, 577 ASMC_LIGHT_FUNCS_DISABLED, 578 ASMC_TEMPS_FUNCS_DISABLED 579 } 580 }; 581 582 #undef ASMC_SMS_FUNCS 583 #undef ASMC_SMS_FUNCS_DISABLED 584 #undef ASMC_FAN_FUNCS 585 #undef ASMC_FAN_FUNCS2 586 #undef ASMC_LIGHT_FUNCS 587 588 /* 589 * Driver methods. 590 */ 591 static device_method_t asmc_methods[] = { 592 DEVMETHOD(device_probe, asmc_probe), 593 DEVMETHOD(device_attach, asmc_attach), 594 DEVMETHOD(device_detach, asmc_detach), 595 DEVMETHOD(device_resume, asmc_resume), 596 597 /* Backlight interface */ 598 DEVMETHOD(backlight_update_status, asmc_backlight_update_status), 599 DEVMETHOD(backlight_get_status, asmc_backlight_get_status), 600 DEVMETHOD(backlight_get_info, asmc_backlight_get_info), 601 602 DEVMETHOD_END 603 }; 604 605 static driver_t asmc_driver = { 606 "asmc", 607 asmc_methods, 608 sizeof(struct asmc_softc) 609 }; 610 611 /* 612 * Debugging 613 */ 614 #define _COMPONENT ACPI_OEM 615 ACPI_MODULE_NAME("ASMC") 616 #ifdef ASMC_DEBUG 617 #define ASMC_DPRINTF(str, ...) device_printf(dev, str, ##__VA_ARGS__) 618 #else 619 #define ASMC_DPRINTF(str, ...) 620 #endif 621 622 /* NB: can't be const */ 623 static char *asmc_ids[] = { "APP0001", NULL }; 624 625 static unsigned int light_control = 0; 626 627 ACPI_PNP_INFO(asmc_ids); 628 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL); 629 MODULE_DEPEND(asmc, acpi, 1, 1, 1); 630 MODULE_DEPEND(asmc, backlight, 1, 1, 1); 631 632 static const struct asmc_model * 633 asmc_match(device_t dev) 634 { 635 const struct asmc_model *model; 636 char *model_name; 637 int i; 638 639 model = NULL; 640 641 model_name = kern_getenv("smbios.system.product"); 642 if (model_name == NULL) 643 goto out; 644 645 for (i = 0; i < nitems(asmc_models); i++) { 646 if (strncmp(model_name, asmc_models[i].smc_model, 647 strlen(model_name)) == 0) { 648 model = &asmc_models[i]; 649 goto out; 650 } 651 } 652 for (i = 0; i < nitems(asmc_generic_models); i++) { 653 if (strncmp(model_name, asmc_generic_models[i].smc_model, 654 strlen(asmc_generic_models[i].smc_model)) == 0) { 655 model = &asmc_generic_models[i]; 656 goto out; 657 } 658 } 659 660 out: 661 freeenv(model_name); 662 return (model); 663 } 664 665 static int 666 asmc_probe(device_t dev) 667 { 668 const struct asmc_model *model; 669 const char *device_desc; 670 int rv; 671 672 if (resource_disabled("asmc", 0)) 673 return (ENXIO); 674 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL); 675 if (rv > 0) 676 return (rv); 677 678 model = asmc_match(dev); 679 if (model == NULL) { 680 device_printf(dev, "model not recognized\n"); 681 return (ENXIO); 682 } 683 device_desc = model->smc_desc == NULL ? 684 model->smc_model : model->smc_desc; 685 device_set_desc(dev, device_desc); 686 687 return (rv); 688 } 689 690 static int 691 asmc_attach(device_t dev) 692 { 693 int i, j; 694 int ret; 695 char name[2]; 696 struct asmc_softc *sc = device_get_softc(dev); 697 struct sysctl_ctx_list *sysctlctx; 698 struct sysctl_oid *sysctlnode; 699 const struct asmc_model *model; 700 701 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT, 702 &sc->sc_rid_port, RF_ACTIVE); 703 if (sc->sc_ioport == NULL) { 704 device_printf(dev, "unable to allocate IO port\n"); 705 return (ENOMEM); 706 } 707 708 sysctlctx = device_get_sysctl_ctx(dev); 709 sysctlnode = device_get_sysctl_tree(dev); 710 711 model = asmc_match(dev); 712 713 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN); 714 715 sc->sc_model = model; 716 asmc_init(dev); 717 718 /* 719 * dev.asmc.n.fan.* tree. 720 */ 721 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx, 722 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan", 723 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree"); 724 725 for (i = 1; i <= sc->sc_nfan; i++) { 726 j = i - 1; 727 name[0] = '0' + j; 728 name[1] = 0; 729 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx, 730 SYSCTL_CHILDREN(sc->sc_fan_tree[0]), OID_AUTO, name, 731 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Subtree"); 732 733 SYSCTL_ADD_PROC(sysctlctx, 734 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 735 OID_AUTO, "id", 736 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 737 model->smc_fan_id, "I", "Fan ID"); 738 739 SYSCTL_ADD_PROC(sysctlctx, 740 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 741 OID_AUTO, "speed", 742 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 743 model->smc_fan_speed, "I", "Fan speed in RPM"); 744 745 SYSCTL_ADD_PROC(sysctlctx, 746 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 747 OID_AUTO, "safespeed", 748 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, j, 749 model->smc_fan_safespeed, "I", "Fan safe speed in RPM"); 750 751 SYSCTL_ADD_PROC(sysctlctx, 752 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 753 OID_AUTO, "minspeed", 754 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 755 model->smc_fan_minspeed, "I", "Fan minimum speed in RPM"); 756 757 SYSCTL_ADD_PROC(sysctlctx, 758 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 759 OID_AUTO, "maxspeed", 760 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 761 model->smc_fan_maxspeed, "I", "Fan maximum speed in RPM"); 762 763 SYSCTL_ADD_PROC(sysctlctx, 764 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 765 OID_AUTO, "targetspeed", 766 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 767 model->smc_fan_targetspeed, "I", "Fan target speed in RPM"); 768 769 SYSCTL_ADD_PROC(sysctlctx, 770 SYSCTL_CHILDREN(sc->sc_fan_tree[i]), 771 OID_AUTO, "manual", 772 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, j, 773 asmc_mb_sysctl_fanmanual, "I", 774 "Fan manual mode (0=auto, 1=manual)"); 775 } 776 777 /* 778 * dev.asmc.n.temp tree. 779 */ 780 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx, 781 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp", 782 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors"); 783 784 for (i = 0; model->smc_temps[i]; i++) { 785 SYSCTL_ADD_PROC(sysctlctx, 786 SYSCTL_CHILDREN(sc->sc_temp_tree), 787 OID_AUTO, model->smc_tempnames[i], 788 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, i, 789 asmc_temp_sysctl, "I", 790 model->smc_tempdescs[i]); 791 } 792 793 /* 794 * dev.asmc.n.light 795 */ 796 if (model->smc_light_left) { 797 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx, 798 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light", 799 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, 800 "Keyboard backlight sensors"); 801 802 SYSCTL_ADD_PROC(sysctlctx, 803 SYSCTL_CHILDREN(sc->sc_light_tree), 804 OID_AUTO, "left", 805 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 806 dev, 0, model->smc_light_left, "I", 807 "Keyboard backlight left sensor"); 808 809 SYSCTL_ADD_PROC(sysctlctx, 810 SYSCTL_CHILDREN(sc->sc_light_tree), 811 OID_AUTO, "right", 812 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, 0, 813 model->smc_light_right, "I", 814 "Keyboard backlight right sensor"); 815 816 SYSCTL_ADD_PROC(sysctlctx, 817 SYSCTL_CHILDREN(sc->sc_light_tree), 818 OID_AUTO, "control", 819 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY | CTLFLAG_MPSAFE, 820 dev, 0, model->smc_light_control, "I", 821 "Keyboard backlight brightness control"); 822 823 sc->sc_kbd_bkl = backlight_register("asmc", dev); 824 if (sc->sc_kbd_bkl == NULL) { 825 device_printf(dev, "Can not register backlight\n"); 826 ret = ENXIO; 827 goto err; 828 } 829 } 830 831 if (model->smc_sms_x == NULL) 832 goto nosms; 833 834 /* 835 * dev.asmc.n.sms tree. 836 */ 837 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx, 838 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms", 839 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor"); 840 841 SYSCTL_ADD_PROC(sysctlctx, 842 SYSCTL_CHILDREN(sc->sc_sms_tree), 843 OID_AUTO, "x", 844 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 845 dev, 0, model->smc_sms_x, "I", 846 "Sudden Motion Sensor X value"); 847 848 SYSCTL_ADD_PROC(sysctlctx, 849 SYSCTL_CHILDREN(sc->sc_sms_tree), 850 OID_AUTO, "y", 851 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 852 dev, 0, model->smc_sms_y, "I", 853 "Sudden Motion Sensor Y value"); 854 855 SYSCTL_ADD_PROC(sysctlctx, 856 SYSCTL_CHILDREN(sc->sc_sms_tree), 857 OID_AUTO, "z", 858 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, 859 dev, 0, model->smc_sms_z, "I", 860 "Sudden Motion Sensor Z value"); 861 862 /* 863 * Need a taskqueue to send devctl_notify() events 864 * when the SMS interrupt us. 865 * 866 * PI_REALTIME is used due to the sensitivity of the 867 * interrupt. An interrupt from the SMS means that the 868 * disk heads should be turned off as quickly as possible. 869 * 870 * We only need to do this for the non INTR_FILTER case. 871 */ 872 sc->sc_sms_tq = NULL; 873 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc); 874 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK, 875 taskqueue_thread_enqueue, &sc->sc_sms_tq); 876 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq", 877 device_get_nameunit(dev)); 878 /* 879 * Allocate an IRQ for the SMS. 880 */ 881 sc->sc_rid_irq = 0; 882 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->sc_rid_irq, 883 RF_ACTIVE); 884 if (sc->sc_irq == NULL) { 885 device_printf(dev, "unable to allocate IRQ resource\n"); 886 ret = ENXIO; 887 goto err; 888 } 889 890 ret = bus_setup_intr(dev, sc->sc_irq, INTR_TYPE_MISC | INTR_MPSAFE, 891 asmc_sms_intrfast, NULL, dev, &sc->sc_cookie); 892 if (ret) { 893 device_printf(dev, "unable to setup SMS IRQ\n"); 894 goto err; 895 } 896 897 nosms: 898 return (0); 899 900 err: 901 asmc_detach(dev); 902 903 return (ret); 904 } 905 906 static int 907 asmc_detach(device_t dev) 908 { 909 struct asmc_softc *sc = device_get_softc(dev); 910 911 if (sc->sc_kbd_bkl != NULL) 912 backlight_destroy(sc->sc_kbd_bkl); 913 914 if (sc->sc_sms_tq) { 915 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task); 916 taskqueue_free(sc->sc_sms_tq); 917 sc->sc_sms_tq = NULL; 918 } 919 if (sc->sc_cookie) { 920 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie); 921 sc->sc_cookie = NULL; 922 } 923 if (sc->sc_irq) { 924 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, 925 sc->sc_irq); 926 sc->sc_irq = NULL; 927 } 928 if (sc->sc_ioport) { 929 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port, 930 sc->sc_ioport); 931 sc->sc_ioport = NULL; 932 } 933 if (mtx_initialized(&sc->sc_mtx)) { 934 mtx_destroy(&sc->sc_mtx); 935 } 936 937 return (0); 938 } 939 940 static int 941 asmc_resume(device_t dev) 942 { 943 uint8_t buf[2]; 944 945 buf[0] = light_control; 946 buf[1] = 0x00; 947 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); 948 949 return (0); 950 } 951 952 #ifdef ASMC_DEBUG 953 void 954 asmc_dumpall(device_t dev) 955 { 956 struct asmc_softc *sc = device_get_softc(dev); 957 int i; 958 959 if (sc->sc_nkeys == 0) { 960 device_printf(dev, "asmc_dumpall: key count not available\n"); 961 return; 962 } 963 964 device_printf(dev, "asmc_dumpall: dumping %d keys\n", sc->sc_nkeys); 965 for (i = 0; i < sc->sc_nkeys; i++) 966 asmc_key_dump(dev, i); 967 } 968 #endif 969 970 static int 971 asmc_init(device_t dev) 972 { 973 struct asmc_softc *sc = device_get_softc(dev); 974 struct sysctl_ctx_list *sysctlctx; 975 uint8_t buf[6]; 976 int i, error = 1; 977 978 sysctlctx = device_get_sysctl_ctx(dev); 979 980 error = asmc_key_read(dev, ASMC_KEY_REV, buf, 6); 981 if (error != 0) 982 goto out_err; 983 device_printf(dev, "SMC revision: %x.%x%x%x\n", buf[0], buf[1], buf[2], 984 ntohs(*(uint16_t *)buf + 4)); 985 986 if (sc->sc_model->smc_sms_x == NULL) 987 goto nosms; 988 989 /* 990 * We are ready to receive interrupts from the SMS. 991 */ 992 buf[0] = 0x01; 993 ASMC_DPRINTF(("intok key\n")); 994 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1); 995 DELAY(50); 996 997 /* 998 * Initiate the polling intervals. 999 */ 1000 buf[0] = 20; /* msecs */ 1001 ASMC_DPRINTF(("low int key\n")); 1002 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1); 1003 DELAY(200); 1004 1005 buf[0] = 20; /* msecs */ 1006 ASMC_DPRINTF(("high int key\n")); 1007 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1); 1008 DELAY(200); 1009 1010 buf[0] = 0x00; 1011 buf[1] = 0x60; 1012 ASMC_DPRINTF(("sms low key\n")); 1013 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2); 1014 DELAY(200); 1015 1016 buf[0] = 0x01; 1017 buf[1] = 0xc0; 1018 ASMC_DPRINTF(("sms high key\n")); 1019 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2); 1020 DELAY(200); 1021 1022 /* 1023 * I'm not sure what this key does, but it seems to be 1024 * required. 1025 */ 1026 buf[0] = 0x01; 1027 ASMC_DPRINTF(("sms flag key\n")); 1028 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1); 1029 DELAY(100); 1030 1031 sc->sc_sms_intr_works = 0; 1032 1033 /* 1034 * Retry SMS initialization 1000 times 1035 * (takes approx. 2 seconds in worst case) 1036 */ 1037 for (i = 0; i < 1000; i++) { 1038 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 && 1039 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) { 1040 error = 0; 1041 sc->sc_sms_intr_works = 1; 1042 goto out; 1043 } 1044 buf[0] = ASMC_SMS_INIT1; 1045 buf[1] = ASMC_SMS_INIT2; 1046 ASMC_DPRINTF(("sms key\n")); 1047 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2); 1048 DELAY(50); 1049 } 1050 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n"); 1051 1052 out: 1053 asmc_sms_calibrate(dev); 1054 nosms: 1055 /* Wake-on-LAN convenience sysctl */ 1056 if (asmc_key_read(dev, ASMC_KEY_AUPO, buf, 1) == 0) { 1057 SYSCTL_ADD_PROC(sysctlctx, 1058 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)), 1059 OID_AUTO, "wol", 1060 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, 1061 dev, 0, asmc_wol_sysctl, "I", 1062 "Wake-on-LAN enable (0=off, 1=on)"); 1063 } 1064 1065 sc->sc_nfan = asmc_fan_count(dev); 1066 if (sc->sc_nfan > ASMC_MAXFANS) { 1067 device_printf(dev, 1068 "more than %d fans were detected. Please report this.\n", 1069 ASMC_MAXFANS); 1070 sc->sc_nfan = ASMC_MAXFANS; 1071 } 1072 1073 /* 1074 * Read and cache the number of SMC keys (32 bit buffer) 1075 */ 1076 if (asmc_key_read(dev, ASMC_NKEYS, buf, 4) == 0) { 1077 sc->sc_nkeys = be32dec(buf); 1078 if (bootverbose) 1079 device_printf(dev, "number of keys: %d\n", 1080 sc->sc_nkeys); 1081 } else { 1082 sc->sc_nkeys = 0; 1083 } 1084 1085 out_err: 1086 #ifdef ASMC_DEBUG 1087 asmc_dumpall(dev); 1088 #endif 1089 return (error); 1090 } 1091 1092 /* 1093 * We need to make sure that the SMC acks the byte sent. 1094 * Just wait up to (amount * 10) ms. 1095 */ 1096 static int 1097 asmc_wait_ack(device_t dev, uint8_t val, int amount) 1098 { 1099 struct asmc_softc *sc = device_get_softc(dev); 1100 u_int i; 1101 1102 val = val & ASMC_STATUS_MASK; 1103 1104 for (i = 0; i < amount; i++) { 1105 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val) 1106 return (0); 1107 DELAY(10); 1108 } 1109 1110 return (1); 1111 } 1112 1113 /* 1114 * We need to make sure that the SMC acks the byte sent. 1115 * Just wait up to 100 ms. 1116 */ 1117 static int 1118 asmc_wait(device_t dev, uint8_t val) 1119 { 1120 #ifdef ASMC_DEBUG 1121 struct asmc_softc *sc; 1122 #endif 1123 1124 if (asmc_wait_ack(dev, val, 1000) == 0) 1125 return (0); 1126 1127 #ifdef ASMC_DEBUG 1128 sc = device_get_softc(dev); 1129 1130 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, 1131 val & ASMC_STATUS_MASK, ASMC_CMDPORT_READ(sc)); 1132 #endif 1133 return (1); 1134 } 1135 1136 /* 1137 * Send the given command, retrying up to 10 times if 1138 * the acknowledgement fails. 1139 */ 1140 static int 1141 asmc_command(device_t dev, uint8_t command) 1142 { 1143 int i; 1144 struct asmc_softc *sc = device_get_softc(dev); 1145 1146 for (i = 0; i < 10; i++) { 1147 ASMC_CMDPORT_WRITE(sc, command); 1148 if (asmc_wait_ack(dev, 0x0c, 100) == 0) { 1149 return (0); 1150 } 1151 } 1152 1153 #ifdef ASMC_DEBUG 1154 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command, 1155 ASMC_CMDPORT_READ(sc)); 1156 #endif 1157 return (1); 1158 } 1159 1160 static int 1161 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1162 { 1163 int i, error = 1, try = 0; 1164 struct asmc_softc *sc = device_get_softc(dev); 1165 1166 mtx_lock_spin(&sc->sc_mtx); 1167 1168 begin: 1169 if (asmc_command(dev, ASMC_CMDREAD)) 1170 goto out; 1171 1172 for (i = 0; i < 4; i++) { 1173 ASMC_DATAPORT_WRITE(sc, key[i]); 1174 if (asmc_wait(dev, 0x04)) 1175 goto out; 1176 } 1177 1178 ASMC_DATAPORT_WRITE(sc, len); 1179 1180 for (i = 0; i < len; i++) { 1181 if (asmc_wait(dev, 0x05)) 1182 goto out; 1183 buf[i] = ASMC_DATAPORT_READ(sc); 1184 } 1185 1186 error = 0; 1187 out: 1188 if (error) { 1189 if (++try < 10) 1190 goto begin; 1191 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1192 __func__, key, try); 1193 } 1194 1195 mtx_unlock_spin(&sc->sc_mtx); 1196 1197 return (error); 1198 } 1199 1200 #ifdef ASMC_DEBUG 1201 static int 1202 asmc_key_dump(device_t dev, int number) 1203 { 1204 struct asmc_softc *sc = device_get_softc(dev); 1205 char key[5] = { 0 }; 1206 char type[7] = { 0 }; 1207 uint8_t index[4]; 1208 uint8_t v[32]; 1209 uint8_t maxlen; 1210 int i, error = 1, try = 0; 1211 1212 mtx_lock_spin(&sc->sc_mtx); 1213 1214 index[0] = (number >> 24) & 0xff; 1215 index[1] = (number >> 16) & 0xff; 1216 index[2] = (number >> 8) & 0xff; 1217 index[3] = (number) & 0xff; 1218 1219 begin: 1220 if (asmc_command(dev, 0x12)) 1221 goto out; 1222 1223 for (i = 0; i < 4; i++) { 1224 ASMC_DATAPORT_WRITE(sc, index[i]); 1225 if (asmc_wait(dev, 0x04)) 1226 goto out; 1227 } 1228 1229 ASMC_DATAPORT_WRITE(sc, 4); 1230 1231 for (i = 0; i < 4; i++) { 1232 if (asmc_wait(dev, 0x05)) 1233 goto out; 1234 key[i] = ASMC_DATAPORT_READ(sc); 1235 } 1236 1237 /* get type */ 1238 if (asmc_command(dev, 0x13)) 1239 goto out; 1240 1241 for (i = 0; i < 4; i++) { 1242 ASMC_DATAPORT_WRITE(sc, key[i]); 1243 if (asmc_wait(dev, 0x04)) 1244 goto out; 1245 } 1246 1247 ASMC_DATAPORT_WRITE(sc, 6); 1248 1249 for (i = 0; i < 6; i++) { 1250 if (asmc_wait(dev, 0x05)) 1251 goto out; 1252 type[i] = ASMC_DATAPORT_READ(sc); 1253 } 1254 1255 error = 0; 1256 out: 1257 if (error) { 1258 if (++try < 10) 1259 goto begin; 1260 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1261 __func__, key, try); 1262 mtx_unlock_spin(&sc->sc_mtx); 1263 } else { 1264 char buf[1024]; 1265 char buf2[8]; 1266 mtx_unlock_spin(&sc->sc_mtx); 1267 maxlen = type[0]; 1268 type[0] = ' '; 1269 type[5] = 0; 1270 if (maxlen > sizeof(v)) { 1271 device_printf(dev, 1272 "WARNING: cropping maxlen from %d to %zu\n", maxlen, 1273 sizeof(v)); 1274 maxlen = sizeof(v); 1275 } 1276 for (i = 0; i < sizeof(v); i++) { 1277 v[i] = 0; 1278 } 1279 asmc_key_read(dev, key, v, maxlen); 1280 snprintf(buf, sizeof(buf), 1281 "key %d is: %s, type %s (len %d), data", 1282 number, key, type, maxlen); 1283 for (i = 0; i < maxlen; i++) { 1284 snprintf(buf2, sizeof(buf2), " %02x", v[i]); 1285 strlcat(buf, buf2, sizeof(buf)); 1286 } 1287 strlcat(buf, " \n", sizeof(buf)); 1288 device_printf(dev, "%s", buf); 1289 } 1290 1291 return (error); 1292 } 1293 #endif 1294 1295 static int 1296 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len) 1297 { 1298 int i, error = -1, try = 0; 1299 struct asmc_softc *sc = device_get_softc(dev); 1300 1301 mtx_lock_spin(&sc->sc_mtx); 1302 1303 begin: 1304 ASMC_DPRINTF(("cmd port: cmd write\n")); 1305 if (asmc_command(dev, ASMC_CMDWRITE)) 1306 goto out; 1307 1308 ASMC_DPRINTF(("data port: key\n")); 1309 for (i = 0; i < 4; i++) { 1310 ASMC_DATAPORT_WRITE(sc, key[i]); 1311 if (asmc_wait(dev, 0x04)) 1312 goto out; 1313 } 1314 ASMC_DPRINTF(("data port: length\n")); 1315 ASMC_DATAPORT_WRITE(sc, len); 1316 1317 ASMC_DPRINTF(("data port: buffer\n")); 1318 for (i = 0; i < len; i++) { 1319 if (asmc_wait(dev, 0x04)) 1320 goto out; 1321 ASMC_DATAPORT_WRITE(sc, buf[i]); 1322 } 1323 1324 error = 0; 1325 out: 1326 if (error) { 1327 if (++try < 10) 1328 goto begin; 1329 device_printf(dev, "%s for key %s failed %d times, giving up\n", 1330 __func__, key, try); 1331 } 1332 1333 mtx_unlock_spin(&sc->sc_mtx); 1334 1335 return (error); 1336 } 1337 1338 /* 1339 * Fan control functions. 1340 */ 1341 static int 1342 asmc_fan_count(device_t dev) 1343 { 1344 uint8_t buf[1]; 1345 1346 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof(buf)) != 0) 1347 return (-1); 1348 1349 return (buf[0]); 1350 } 1351 1352 static int 1353 asmc_fan_getvalue(device_t dev, const char *key, int fan) 1354 { 1355 int speed; 1356 uint8_t buf[2]; 1357 char fankey[5]; 1358 1359 snprintf(fankey, sizeof(fankey), key, fan); 1360 if (asmc_key_read(dev, fankey, buf, sizeof(buf)) != 0) 1361 return (-1); 1362 speed = (buf[0] << 6) | (buf[1] >> 2); 1363 1364 return (speed); 1365 } 1366 1367 static char * 1368 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, 1369 uint8_t buflen) 1370 { 1371 char fankey[5]; 1372 char *desc; 1373 1374 snprintf(fankey, sizeof(fankey), key, fan); 1375 if (asmc_key_read(dev, fankey, buf, buflen) != 0) 1376 return (NULL); 1377 desc = buf + 4; 1378 1379 return (desc); 1380 } 1381 1382 static int 1383 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed) 1384 { 1385 uint8_t buf[2]; 1386 char fankey[5]; 1387 1388 speed *= 4; 1389 1390 buf[0] = speed >> 8; 1391 buf[1] = speed; 1392 1393 snprintf(fankey, sizeof(fankey), key, fan); 1394 if (asmc_key_write(dev, fankey, buf, sizeof(buf)) < 0) 1395 return (-1); 1396 1397 return (0); 1398 } 1399 1400 static int 1401 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS) 1402 { 1403 device_t dev = (device_t)arg1; 1404 int fan = arg2; 1405 int error; 1406 int32_t v; 1407 1408 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan); 1409 error = sysctl_handle_int(oidp, &v, 0, req); 1410 1411 return (error); 1412 } 1413 1414 static int 1415 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS) 1416 { 1417 uint8_t buf[16]; 1418 device_t dev = (device_t)arg1; 1419 int fan = arg2; 1420 int error = true; 1421 char *desc; 1422 1423 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf)); 1424 1425 if (desc != NULL) 1426 error = sysctl_handle_string(oidp, desc, 0, req); 1427 1428 return (error); 1429 } 1430 1431 static int 1432 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS) 1433 { 1434 device_t dev = (device_t)arg1; 1435 int fan = arg2; 1436 int error; 1437 int32_t v; 1438 1439 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan); 1440 error = sysctl_handle_int(oidp, &v, 0, req); 1441 1442 return (error); 1443 } 1444 1445 static int 1446 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS) 1447 { 1448 device_t dev = (device_t)arg1; 1449 int fan = arg2; 1450 int error; 1451 int32_t v; 1452 1453 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan); 1454 error = sysctl_handle_int(oidp, &v, 0, req); 1455 1456 if (error == 0 && req->newptr != NULL) { 1457 unsigned int newspeed = v; 1458 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed); 1459 } 1460 1461 return (error); 1462 } 1463 1464 static int 1465 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS) 1466 { 1467 device_t dev = (device_t)arg1; 1468 int fan = arg2; 1469 int error; 1470 int32_t v; 1471 1472 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan); 1473 error = sysctl_handle_int(oidp, &v, 0, req); 1474 1475 if (error == 0 && req->newptr != NULL) { 1476 unsigned int newspeed = v; 1477 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed); 1478 } 1479 1480 return (error); 1481 } 1482 1483 static int 1484 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS) 1485 { 1486 device_t dev = (device_t)arg1; 1487 int fan = arg2; 1488 int error; 1489 int32_t v; 1490 1491 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan); 1492 error = sysctl_handle_int(oidp, &v, 0, req); 1493 1494 if (error == 0 && req->newptr != NULL) { 1495 unsigned int newspeed = v; 1496 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed); 1497 } 1498 1499 return (error); 1500 } 1501 1502 static int 1503 asmc_mb_sysctl_fanmanual(SYSCTL_HANDLER_ARGS) 1504 { 1505 device_t dev = (device_t)arg1; 1506 int fan = arg2; 1507 int error; 1508 int32_t v; 1509 uint8_t buf[2]; 1510 uint16_t val; 1511 1512 /* Read current FS! bitmask (asmc_key_read locks internally) */ 1513 error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, sizeof(buf)); 1514 if (error != 0) 1515 return (error); 1516 1517 /* Extract manual bit for this fan (big-endian) */ 1518 val = (buf[0] << 8) | buf[1]; 1519 v = (val >> fan) & 0x01; 1520 1521 /* Let sysctl handle the value */ 1522 error = sysctl_handle_int(oidp, &v, 0, req); 1523 1524 if (error == 0 && req->newptr != NULL) { 1525 /* Validate input (0 = auto, 1 = manual) */ 1526 if (v != 0 && v != 1) 1527 return (EINVAL); 1528 /* Read-modify-write of FS! bitmask */ 1529 error = asmc_key_read(dev, ASMC_KEY_FANMANUAL, buf, 1530 sizeof(buf)); 1531 if (error == 0) { 1532 val = (buf[0] << 8) | buf[1]; 1533 1534 /* Modify single bit */ 1535 if (v) 1536 val |= (1 << fan); /* Set to manual */ 1537 else 1538 val &= ~(1 << fan); /* Set to auto */ 1539 1540 /* Write back */ 1541 buf[0] = val >> 8; 1542 buf[1] = val & 0xff; 1543 error = asmc_key_write(dev, ASMC_KEY_FANMANUAL, buf, 1544 sizeof(buf)); 1545 } 1546 } 1547 1548 return (error); 1549 } 1550 1551 /* 1552 * Temperature functions. 1553 */ 1554 static int 1555 asmc_temp_getvalue(device_t dev, const char *key) 1556 { 1557 uint8_t buf[2]; 1558 1559 /* 1560 * Check for invalid temperatures. 1561 */ 1562 if (asmc_key_read(dev, key, buf, sizeof(buf)) != 0) 1563 return (-1); 1564 1565 return (buf[0]); 1566 } 1567 1568 static int 1569 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS) 1570 { 1571 device_t dev = (device_t)arg1; 1572 struct asmc_softc *sc = device_get_softc(dev); 1573 int error, val; 1574 1575 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]); 1576 error = sysctl_handle_int(oidp, &val, 0, req); 1577 1578 return (error); 1579 } 1580 1581 /* 1582 * Sudden Motion Sensor functions. 1583 */ 1584 static int 1585 asmc_sms_read(device_t dev, const char *key, int16_t *val) 1586 { 1587 uint8_t buf[2]; 1588 int error; 1589 1590 /* no need to do locking here as asmc_key_read() already does it */ 1591 switch (key[3]) { 1592 case 'X': 1593 case 'Y': 1594 case 'Z': 1595 error = asmc_key_read(dev, key, buf, sizeof(buf)); 1596 break; 1597 default: 1598 device_printf(dev, "%s called with invalid argument %s\n", 1599 __func__, key); 1600 error = EINVAL; 1601 goto out; 1602 } 1603 *val = ((int16_t)buf[0] << 8) | buf[1]; 1604 out: 1605 return (error); 1606 } 1607 1608 static void 1609 asmc_sms_calibrate(device_t dev) 1610 { 1611 struct asmc_softc *sc = device_get_softc(dev); 1612 1613 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x); 1614 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y); 1615 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z); 1616 } 1617 1618 static int 1619 asmc_sms_intrfast(void *arg) 1620 { 1621 uint8_t type; 1622 device_t dev = (device_t)arg; 1623 struct asmc_softc *sc = device_get_softc(dev); 1624 if (!sc->sc_sms_intr_works) 1625 return (FILTER_HANDLED); 1626 1627 mtx_lock_spin(&sc->sc_mtx); 1628 type = ASMC_INTPORT_READ(sc); 1629 mtx_unlock_spin(&sc->sc_mtx); 1630 1631 sc->sc_sms_intrtype = type; 1632 asmc_sms_printintr(dev, type); 1633 1634 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task); 1635 return (FILTER_HANDLED); 1636 } 1637 1638 static void 1639 asmc_sms_printintr(device_t dev, uint8_t type) 1640 { 1641 struct asmc_softc *sc = device_get_softc(dev); 1642 1643 switch (type) { 1644 case ASMC_SMS_INTFF: 1645 device_printf(dev, "WARNING: possible free fall!\n"); 1646 break; 1647 case ASMC_SMS_INTHA: 1648 device_printf(dev, "WARNING: high acceleration detected!\n"); 1649 break; 1650 case ASMC_SMS_INTSH: 1651 device_printf(dev, "WARNING: possible shock!\n"); 1652 break; 1653 case ASMC_ALSL_INT2A: 1654 /* 1655 * This suppresses console and log messages for the ambient 1656 * light sensor for models known to generate this interrupt. 1657 */ 1658 if (strcmp(sc->sc_model->smc_model, "MacBookPro5,5") == 0 || 1659 strcmp(sc->sc_model->smc_model, "MacBookPro6,2") == 0) 1660 break; 1661 /* FALLTHROUGH */ 1662 default: 1663 device_printf(dev, "unknown interrupt: 0x%x\n", type); 1664 } 1665 } 1666 1667 static void 1668 asmc_sms_task(void *arg, int pending) 1669 { 1670 struct asmc_softc *sc = (struct asmc_softc *)arg; 1671 char notify[16]; 1672 int type; 1673 1674 switch (sc->sc_sms_intrtype) { 1675 case ASMC_SMS_INTFF: 1676 type = 2; 1677 break; 1678 case ASMC_SMS_INTHA: 1679 type = 1; 1680 break; 1681 case ASMC_SMS_INTSH: 1682 type = 0; 1683 break; 1684 default: 1685 type = 255; 1686 } 1687 1688 snprintf(notify, sizeof(notify), " notify=0x%x", type); 1689 devctl_notify("ACPI", "asmc", "SMS", notify); 1690 } 1691 1692 static int 1693 asmc_mb_sysctl_sms_x(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_X, &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_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS) 1709 { 1710 device_t dev = (device_t)arg1; 1711 int error; 1712 int16_t val; 1713 int32_t v; 1714 1715 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val); 1716 v = (int32_t)val; 1717 error = sysctl_handle_int(oidp, &v, 0, req); 1718 1719 return (error); 1720 } 1721 1722 static int 1723 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS) 1724 { 1725 device_t dev = (device_t)arg1; 1726 int error; 1727 int16_t val; 1728 int32_t v; 1729 1730 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val); 1731 v = (int32_t)val; 1732 error = sysctl_handle_int(oidp, &v, 0, req); 1733 1734 return (error); 1735 } 1736 1737 static int 1738 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS) 1739 { 1740 device_t dev = (device_t)arg1; 1741 uint8_t buf[6]; 1742 int error; 1743 int32_t v; 1744 1745 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof(buf)); 1746 v = buf[2]; 1747 error = sysctl_handle_int(oidp, &v, 0, req); 1748 1749 return (error); 1750 } 1751 1752 static int 1753 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS) 1754 { 1755 device_t dev = (device_t)arg1; 1756 uint8_t buf[6]; 1757 int error; 1758 int32_t v; 1759 1760 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof(buf)); 1761 v = buf[2]; 1762 error = sysctl_handle_int(oidp, &v, 0, req); 1763 1764 return (error); 1765 } 1766 1767 static int 1768 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS) 1769 { 1770 device_t dev = (device_t)arg1; 1771 struct asmc_softc *sc = device_get_softc(dev); 1772 uint8_t buf[2]; 1773 int error; 1774 int v; 1775 1776 v = light_control; 1777 error = sysctl_handle_int(oidp, &v, 0, req); 1778 1779 if (error == 0 && req->newptr != NULL) { 1780 if (v < 0 || v > 255) 1781 return (EINVAL); 1782 light_control = v; 1783 sc->sc_kbd_bkl_level = v * 100 / 255; 1784 buf[0] = light_control; 1785 buf[1] = 0x00; 1786 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); 1787 } 1788 return (error); 1789 } 1790 1791 static int 1792 asmc_mbp_sysctl_light_left_10byte(SYSCTL_HANDLER_ARGS) 1793 { 1794 device_t dev = (device_t)arg1; 1795 uint8_t buf[10]; 1796 int error; 1797 uint32_t v; 1798 1799 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof(buf)); 1800 1801 /* 1802 * This seems to be a 32 bit big endian value from buf[6] -> buf[9]. 1803 * 1804 * Extract it out manually here, then shift/clamp it. 1805 */ 1806 v = be32dec(&buf[6]); 1807 1808 /* 1809 * Shift out, clamp at 255; that way it looks like the 1810 * earlier SMC firmware version responses. 1811 */ 1812 v = v >> 8; 1813 if (v > 255) 1814 v = 255; 1815 1816 error = sysctl_handle_int(oidp, &v, 0, req); 1817 1818 return (error); 1819 } 1820 1821 /* 1822 * Wake-on-LAN convenience sysctl. 1823 * Reading returns 1 if WoL is enabled, 0 if disabled. 1824 * Writing 1 enables WoL, 0 disables it. 1825 */ 1826 static int 1827 asmc_wol_sysctl(SYSCTL_HANDLER_ARGS) 1828 { 1829 device_t dev = (device_t)arg1; 1830 uint8_t aupo; 1831 int val, error; 1832 1833 /* Read current AUPO value */ 1834 if (asmc_key_read(dev, ASMC_KEY_AUPO, &aupo, 1) != 0) 1835 return (EIO); 1836 1837 val = (aupo != 0) ? 1 : 0; 1838 error = sysctl_handle_int(oidp, &val, 0, req); 1839 if (error != 0 || req->newptr == NULL) 1840 return (error); 1841 1842 /* Clamp to 0 or 1 */ 1843 aupo = (val != 0) ? 1 : 0; 1844 1845 /* Write AUPO */ 1846 if (asmc_key_write(dev, ASMC_KEY_AUPO, &aupo, 1) != 0) 1847 return (EIO); 1848 1849 return (0); 1850 } 1851 1852 static int 1853 asmc_backlight_update_status(device_t dev, struct backlight_props *props) 1854 { 1855 struct asmc_softc *sc = device_get_softc(dev); 1856 uint8_t buf[2]; 1857 1858 sc->sc_kbd_bkl_level = props->brightness; 1859 light_control = props->brightness * 255 / 100; 1860 buf[0] = light_control; 1861 buf[1] = 0x00; 1862 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof(buf)); 1863 1864 return (0); 1865 } 1866 1867 static int 1868 asmc_backlight_get_status(device_t dev, struct backlight_props *props) 1869 { 1870 struct asmc_softc *sc = device_get_softc(dev); 1871 1872 props->brightness = sc->sc_kbd_bkl_level; 1873 props->nlevels = 0; 1874 1875 return (0); 1876 } 1877 1878 static int 1879 asmc_backlight_get_info(device_t dev, struct backlight_info *info) 1880 { 1881 info->type = BACKLIGHT_TYPE_KEYBOARD; 1882 strlcpy(info->name, "Apple MacBook Keyboard", BACKLIGHTMAXNAMELENGTH); 1883 1884 return (0); 1885 } 1886