2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2007, 2008 Rui Paulo <rpaulo@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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.
31 * Driver for Apple's System Management Console (SMC).
32 * SMC can be found on the MacBook, MacBook Pro and Mac Mini.
34 * Inspired by the Linux applesmc driver.
37 #include <sys/cdefs.h>
38 __FBSDID("$FreeBSD$");
40 #include <sys/param.h>
43 #include <sys/kernel.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>
53 #include <machine/resource.h>
55 #include <contrib/dev/acpica/include/acpi.h>
57 #include <dev/acpica/acpivar.h>
58 #include <dev/asmc/asmcvar.h>
63 static int asmc_probe(device_t dev);
64 static int asmc_attach(device_t dev);
65 static int asmc_detach(device_t dev);
66 static int asmc_resume(device_t dev);
71 static int asmc_init(device_t dev);
72 static int asmc_command(device_t dev, uint8_t command);
73 static int asmc_wait(device_t dev, uint8_t val);
74 static int asmc_wait_ack(device_t dev, uint8_t val, int amount);
75 static int asmc_key_write(device_t dev, const char *key, uint8_t *buf,
77 static int asmc_key_read(device_t dev, const char *key, uint8_t *buf,
79 static int asmc_fan_count(device_t dev);
80 static int asmc_fan_getvalue(device_t dev, const char *key, int fan);
81 static int asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed);
82 static int asmc_temp_getvalue(device_t dev, const char *key);
83 static int asmc_sms_read(device_t, const char *key, int16_t *val);
84 static void asmc_sms_calibrate(device_t dev);
85 static int asmc_sms_intrfast(void *arg);
86 static void asmc_sms_printintr(device_t dev, uint8_t);
87 static void asmc_sms_task(void *arg, int pending);
89 void asmc_dumpall(device_t);
90 static int asmc_key_dump(device_t, int);
96 static int asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS);
97 static int asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS);
98 static int asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS);
99 static int asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS);
100 static int asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS);
101 static int asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS);
102 static int asmc_temp_sysctl(SYSCTL_HANDLER_ARGS);
103 static int asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS);
104 static int asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS);
105 static int asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS);
106 static int asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS);
107 static int asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS);
108 static int asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS);
111 const char *smc_model; /* smbios.system.product env var. */
112 const char *smc_desc; /* driver description */
114 /* Helper functions */
115 int (*smc_sms_x)(SYSCTL_HANDLER_ARGS);
116 int (*smc_sms_y)(SYSCTL_HANDLER_ARGS);
117 int (*smc_sms_z)(SYSCTL_HANDLER_ARGS);
118 int (*smc_fan_id)(SYSCTL_HANDLER_ARGS);
119 int (*smc_fan_speed)(SYSCTL_HANDLER_ARGS);
120 int (*smc_fan_safespeed)(SYSCTL_HANDLER_ARGS);
121 int (*smc_fan_minspeed)(SYSCTL_HANDLER_ARGS);
122 int (*smc_fan_maxspeed)(SYSCTL_HANDLER_ARGS);
123 int (*smc_fan_targetspeed)(SYSCTL_HANDLER_ARGS);
124 int (*smc_light_left)(SYSCTL_HANDLER_ARGS);
125 int (*smc_light_right)(SYSCTL_HANDLER_ARGS);
126 int (*smc_light_control)(SYSCTL_HANDLER_ARGS);
128 const char *smc_temps[ASMC_TEMP_MAX];
129 const char *smc_tempnames[ASMC_TEMP_MAX];
130 const char *smc_tempdescs[ASMC_TEMP_MAX];
133 static struct asmc_model *asmc_match(device_t dev);
135 #define ASMC_SMS_FUNCS asmc_mb_sysctl_sms_x, asmc_mb_sysctl_sms_y, \
138 #define ASMC_SMS_FUNCS_DISABLED NULL,NULL,NULL
140 #define ASMC_FAN_FUNCS asmc_mb_sysctl_fanid, asmc_mb_sysctl_fanspeed, asmc_mb_sysctl_fansafespeed, \
141 asmc_mb_sysctl_fanminspeed, \
142 asmc_mb_sysctl_fanmaxspeed, \
143 asmc_mb_sysctl_fantargetspeed
145 #define ASMC_FAN_FUNCS2 asmc_mb_sysctl_fanid, asmc_mb_sysctl_fanspeed, NULL, \
146 asmc_mb_sysctl_fanminspeed, \
147 asmc_mb_sysctl_fanmaxspeed, \
148 asmc_mb_sysctl_fantargetspeed
150 #define ASMC_LIGHT_FUNCS asmc_mbp_sysctl_light_left, \
151 asmc_mbp_sysctl_light_right, \
152 asmc_mbp_sysctl_light_control
154 #define ASMC_LIGHT_FUNCS_DISABLED NULL, NULL, NULL
156 struct asmc_model asmc_models[] = {
158 "MacBook1,1", "Apple SMC MacBook Core Duo",
159 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
160 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS
164 "MacBook2,1", "Apple SMC MacBook Core 2 Duo",
165 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
166 ASMC_MB_TEMPS, ASMC_MB_TEMPNAMES, ASMC_MB_TEMPDESCS
170 "MacBook3,1", "Apple SMC MacBook Core 2 Duo",
171 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
172 ASMC_MB31_TEMPS, ASMC_MB31_TEMPNAMES, ASMC_MB31_TEMPDESCS
176 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)",
177 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
178 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
182 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)",
183 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
184 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
188 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)",
189 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
190 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
194 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)",
195 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
196 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
200 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)",
201 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
202 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
206 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)",
207 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
208 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
212 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)",
213 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
214 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS
218 "MacBookPro5,1", "Apple SMC MacBook Pro Core 2 Duo (2008/2009)",
219 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
220 ASMC_MBP5_TEMPS, ASMC_MBP5_TEMPNAMES, ASMC_MBP5_TEMPDESCS
224 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)",
225 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS,
226 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS
230 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)",
231 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
232 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS
236 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012)",
237 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
238 ASMC_MBP9_TEMPS, ASMC_MBP9_TEMPNAMES, ASMC_MBP9_TEMPDESCS
242 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)",
243 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS,
244 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS
248 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)",
249 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
250 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS
253 /* The Mac Mini has no SMS */
255 "Macmini1,1", "Apple SMC Mac Mini",
259 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS
262 /* The Mac Mini 2,1 has no SMS */
264 "Macmini2,1", "Apple SMC Mac Mini 2,1",
265 ASMC_SMS_FUNCS_DISABLED,
267 ASMC_LIGHT_FUNCS_DISABLED,
268 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS
271 /* The Mac Mini 3,1 has no SMS */
273 "Macmini3,1", "Apple SMC Mac Mini 3,1",
277 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS
280 /* The Mac Mini 4,1 (Mid-2010) has no SMS */
282 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)",
283 ASMC_SMS_FUNCS_DISABLED,
285 ASMC_LIGHT_FUNCS_DISABLED,
286 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS
289 /* The Mac Mini 5,2 has no SMS */
291 "Macmini5,2", "Apple SMC Mac Mini 5,2",
295 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS
298 /* Idem for the Mac Pro "Quad Core" (original) */
300 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)",
304 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS
307 /* Idem for the Mac Pro (8-core) */
309 "MacPro2", "Apple SMC Mac Pro (8-core)",
313 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS
316 /* Idem for the MacPro 2010*/
318 "MacPro5,1", "Apple SMC MacPro (2010)",
322 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS
326 "MacBookAir1,1", "Apple SMC MacBook Air",
327 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
328 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS
332 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)",
333 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
334 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS
338 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)",
339 ASMC_SMS_FUNCS_DISABLED,
342 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS
346 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)",
347 ASMC_SMS_FUNCS_DISABLED,
350 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS
354 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)",
355 ASMC_SMS_FUNCS_DISABLED,
358 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS
362 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)",
363 ASMC_SMS_FUNCS_DISABLED,
366 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS
372 #undef ASMC_SMS_FUNCS
373 #undef ASMC_SMS_FUNCS_DISABLED
374 #undef ASMC_FAN_FUNCS
375 #undef ASMC_FAN_FUNCS2
376 #undef ASMC_LIGHT_FUNCS
381 static device_method_t asmc_methods[] = {
382 DEVMETHOD(device_probe, asmc_probe),
383 DEVMETHOD(device_attach, asmc_attach),
384 DEVMETHOD(device_detach, asmc_detach),
385 DEVMETHOD(device_resume, asmc_resume),
390 static driver_t asmc_driver = {
393 sizeof(struct asmc_softc)
399 #define _COMPONENT ACPI_OEM
400 ACPI_MODULE_NAME("ASMC")
402 #define ASMC_DPRINTF(str) device_printf(dev, str)
404 #define ASMC_DPRINTF(str)
407 /* NB: can't be const */
408 static char *asmc_ids[] = { "APP0001", NULL };
410 static devclass_t asmc_devclass;
412 static unsigned int light_control = 0;
414 DRIVER_MODULE(asmc, acpi, asmc_driver, asmc_devclass, NULL, NULL);
415 MODULE_DEPEND(asmc, acpi, 1, 1, 1);
417 static struct asmc_model *
418 asmc_match(device_t dev)
423 model = kern_getenv("smbios.system.product");
427 for (i = 0; asmc_models[i].smc_model; i++) {
428 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) {
430 return (&asmc_models[i]);
439 asmc_probe(device_t dev)
441 struct asmc_model *model;
444 if (resource_disabled("asmc", 0))
446 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL);
450 model = asmc_match(dev);
452 device_printf(dev, "model not recognized\n");
455 device_set_desc(dev, model->smc_desc);
461 asmc_attach(device_t dev)
466 struct asmc_softc *sc = device_get_softc(dev);
467 struct sysctl_ctx_list *sysctlctx;
468 struct sysctl_oid *sysctlnode;
469 struct asmc_model *model;
471 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
472 &sc->sc_rid_port, RF_ACTIVE);
473 if (sc->sc_ioport == NULL) {
474 device_printf(dev, "unable to allocate IO port\n");
478 sysctlctx = device_get_sysctl_ctx(dev);
479 sysctlnode = device_get_sysctl_tree(dev);
481 model = asmc_match(dev);
483 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN);
485 sc->sc_model = model;
489 * dev.asmc.n.fan.* tree.
491 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx,
492 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan",
493 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree");
495 for (i = 1; i <= sc->sc_nfan; i++) {
499 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx,
500 SYSCTL_CHILDREN(sc->sc_fan_tree[0]),
501 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
504 SYSCTL_ADD_PROC(sysctlctx,
505 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
507 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
508 dev, j, model->smc_fan_id, "I",
511 SYSCTL_ADD_PROC(sysctlctx,
512 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
514 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
515 dev, j, model->smc_fan_speed, "I",
518 SYSCTL_ADD_PROC(sysctlctx,
519 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
520 OID_AUTO, "safespeed",
521 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
522 dev, j, model->smc_fan_safespeed, "I",
523 "Fan safe speed in RPM");
525 SYSCTL_ADD_PROC(sysctlctx,
526 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
527 OID_AUTO, "minspeed",
528 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
529 dev, j, model->smc_fan_minspeed, "I",
530 "Fan minimum speed in RPM");
532 SYSCTL_ADD_PROC(sysctlctx,
533 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
534 OID_AUTO, "maxspeed",
535 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
536 dev, j, model->smc_fan_maxspeed, "I",
537 "Fan maximum speed in RPM");
539 SYSCTL_ADD_PROC(sysctlctx,
540 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
541 OID_AUTO, "targetspeed",
542 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
543 dev, j, model->smc_fan_targetspeed, "I",
544 "Fan target speed in RPM");
548 * dev.asmc.n.temp tree.
550 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx,
551 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp",
552 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors");
554 for (i = 0; model->smc_temps[i]; i++) {
555 SYSCTL_ADD_PROC(sysctlctx,
556 SYSCTL_CHILDREN(sc->sc_temp_tree),
557 OID_AUTO, model->smc_tempnames[i],
558 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
559 dev, i, asmc_temp_sysctl, "I",
560 model->smc_tempdescs[i]);
566 if (model->smc_light_left) {
567 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx,
568 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light",
569 CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
570 "Keyboard backlight sensors");
572 SYSCTL_ADD_PROC(sysctlctx,
573 SYSCTL_CHILDREN(sc->sc_light_tree),
575 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
576 dev, 0, model->smc_light_left, "I",
577 "Keyboard backlight left sensor");
579 SYSCTL_ADD_PROC(sysctlctx,
580 SYSCTL_CHILDREN(sc->sc_light_tree),
582 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
583 dev, 0, model->smc_light_right, "I",
584 "Keyboard backlight right sensor");
586 SYSCTL_ADD_PROC(sysctlctx,
587 SYSCTL_CHILDREN(sc->sc_light_tree),
589 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY |
590 CTLFLAG_NEEDGIANT, dev, 0,
591 model->smc_light_control, "I",
592 "Keyboard backlight brightness control");
595 if (model->smc_sms_x == NULL)
599 * dev.asmc.n.sms tree.
601 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx,
602 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms",
603 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor");
605 SYSCTL_ADD_PROC(sysctlctx,
606 SYSCTL_CHILDREN(sc->sc_sms_tree),
608 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
609 dev, 0, model->smc_sms_x, "I",
610 "Sudden Motion Sensor X value");
612 SYSCTL_ADD_PROC(sysctlctx,
613 SYSCTL_CHILDREN(sc->sc_sms_tree),
615 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
616 dev, 0, model->smc_sms_y, "I",
617 "Sudden Motion Sensor Y value");
619 SYSCTL_ADD_PROC(sysctlctx,
620 SYSCTL_CHILDREN(sc->sc_sms_tree),
622 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
623 dev, 0, model->smc_sms_z, "I",
624 "Sudden Motion Sensor Z value");
627 * Need a taskqueue to send devctl_notify() events
628 * when the SMS interrupt us.
630 * PI_REALTIME is used due to the sensitivity of the
631 * interrupt. An interrupt from the SMS means that the
632 * disk heads should be turned off as quickly as possible.
634 * We only need to do this for the non INTR_FILTER case.
636 sc->sc_sms_tq = NULL;
637 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc);
638 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK,
639 taskqueue_thread_enqueue, &sc->sc_sms_tq);
640 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq",
641 device_get_nameunit(dev));
643 * Allocate an IRQ for the SMS.
646 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
647 &sc->sc_rid_irq, RF_ACTIVE);
648 if (sc->sc_irq == NULL) {
649 device_printf(dev, "unable to allocate IRQ resource\n");
654 ret = bus_setup_intr(dev, sc->sc_irq,
655 INTR_TYPE_MISC | INTR_MPSAFE,
656 asmc_sms_intrfast, NULL,
657 dev, &sc->sc_cookie);
660 device_printf(dev, "unable to setup SMS IRQ\n");
666 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq);
668 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port,
670 mtx_destroy(&sc->sc_mtx);
672 taskqueue_free(sc->sc_sms_tq);
678 asmc_detach(device_t dev)
680 struct asmc_softc *sc = device_get_softc(dev);
683 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task);
684 taskqueue_free(sc->sc_sms_tq);
687 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie);
689 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq,
692 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port,
694 mtx_destroy(&sc->sc_mtx);
700 asmc_resume(device_t dev)
703 buf[0] = light_control;
705 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf);
711 void asmc_dumpall(device_t dev)
715 /* XXX magic number */
716 for (i=0; i < 0x100; i++)
717 asmc_key_dump(dev, i);
722 asmc_init(device_t dev)
724 struct asmc_softc *sc = device_get_softc(dev);
728 if (sc->sc_model->smc_sms_x == NULL)
732 * We are ready to receive interrupts from the SMS.
735 ASMC_DPRINTF(("intok key\n"));
736 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1);
740 * Initiate the polling intervals.
742 buf[0] = 20; /* msecs */
743 ASMC_DPRINTF(("low int key\n"));
744 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1);
747 buf[0] = 20; /* msecs */
748 ASMC_DPRINTF(("high int key\n"));
749 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1);
754 ASMC_DPRINTF(("sms low key\n"));
755 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2);
760 ASMC_DPRINTF(("sms high key\n"));
761 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2);
765 * I'm not sure what this key does, but it seems to be
769 ASMC_DPRINTF(("sms flag key\n"));
770 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1);
773 sc->sc_sms_intr_works = 0;
776 * Retry SMS initialization 1000 times
777 * (takes approx. 2 seconds in worst case)
779 for (i = 0; i < 1000; i++) {
780 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 &&
781 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) {
783 sc->sc_sms_intr_works = 1;
786 buf[0] = ASMC_SMS_INIT1;
787 buf[1] = ASMC_SMS_INIT2;
788 ASMC_DPRINTF(("sms key\n"));
789 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2);
792 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n");
795 asmc_sms_calibrate(dev);
797 sc->sc_nfan = asmc_fan_count(dev);
798 if (sc->sc_nfan > ASMC_MAXFANS) {
799 device_printf(dev, "more than %d fans were detected. Please "
800 "report this.\n", ASMC_MAXFANS);
801 sc->sc_nfan = ASMC_MAXFANS;
806 * The number of keys is a 32 bit buffer
808 asmc_key_read(dev, ASMC_NKEYS, buf, 4);
809 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf));
820 * We need to make sure that the SMC acks the byte sent.
821 * Just wait up to (amount * 10) ms.
824 asmc_wait_ack(device_t dev, uint8_t val, int amount)
826 struct asmc_softc *sc = device_get_softc(dev);
829 val = val & ASMC_STATUS_MASK;
831 for (i = 0; i < amount; i++) {
832 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val)
841 * We need to make sure that the SMC acks the byte sent.
842 * Just wait up to 100 ms.
845 asmc_wait(device_t dev, uint8_t val)
847 struct asmc_softc *sc;
849 if (asmc_wait_ack(dev, val, 1000) == 0)
852 sc = device_get_softc(dev);
853 val = val & ASMC_STATUS_MASK;
856 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val,
857 ASMC_CMDPORT_READ(sc));
863 * Send the given command, retrying up to 10 times if
864 * the acknowledgement fails.
867 asmc_command(device_t dev, uint8_t command) {
870 struct asmc_softc *sc = device_get_softc(dev);
872 for (i=0; i < 10; i++) {
873 ASMC_CMDPORT_WRITE(sc, command);
874 if (asmc_wait_ack(dev, 0x0c, 100) == 0) {
880 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command,
881 ASMC_CMDPORT_READ(sc));
887 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len)
889 int i, error = 1, try = 0;
890 struct asmc_softc *sc = device_get_softc(dev);
892 mtx_lock_spin(&sc->sc_mtx);
895 if (asmc_command(dev, ASMC_CMDREAD))
898 for (i = 0; i < 4; i++) {
899 ASMC_DATAPORT_WRITE(sc, key[i]);
900 if (asmc_wait(dev, 0x04))
904 ASMC_DATAPORT_WRITE(sc, len);
906 for (i = 0; i < len; i++) {
907 if (asmc_wait(dev, 0x05))
909 buf[i] = ASMC_DATAPORT_READ(sc);
915 if (++try < 10) goto begin;
916 device_printf(dev,"%s for key %s failed %d times, giving up\n",
920 mtx_unlock_spin(&sc->sc_mtx);
927 asmc_key_dump(device_t dev, int number)
929 struct asmc_softc *sc = device_get_softc(dev);
931 char type[7] = { 0 };
935 int i, error = 1, try = 0;
937 mtx_lock_spin(&sc->sc_mtx);
939 index[0] = (number >> 24) & 0xff;
940 index[1] = (number >> 16) & 0xff;
941 index[2] = (number >> 8) & 0xff;
942 index[3] = (number) & 0xff;
945 if (asmc_command(dev, 0x12))
948 for (i = 0; i < 4; i++) {
949 ASMC_DATAPORT_WRITE(sc, index[i]);
950 if (asmc_wait(dev, 0x04))
954 ASMC_DATAPORT_WRITE(sc, 4);
956 for (i = 0; i < 4; i++) {
957 if (asmc_wait(dev, 0x05))
959 key[i] = ASMC_DATAPORT_READ(sc);
963 if (asmc_command(dev, 0x13))
966 for (i = 0; i < 4; i++) {
967 ASMC_DATAPORT_WRITE(sc, key[i]);
968 if (asmc_wait(dev, 0x04))
972 ASMC_DATAPORT_WRITE(sc, 6);
974 for (i = 0; i < 6; i++) {
975 if (asmc_wait(dev, 0x05))
977 type[i] = ASMC_DATAPORT_READ(sc);
983 if (++try < 10) goto begin;
984 device_printf(dev,"%s for key %s failed %d times, giving up\n",
986 mtx_unlock_spin(&sc->sc_mtx);
991 mtx_unlock_spin(&sc->sc_mtx);
995 if (maxlen > sizeof(v)) {
997 "WARNING: cropping maxlen from %d to %zu\n",
1001 for (i = 0; i < sizeof(v); i++) {
1004 asmc_key_read(dev, key, v, maxlen);
1005 snprintf(buf, sizeof(buf), "key %d is: %s, type %s "
1006 "(len %d), data", number, key, type, maxlen);
1007 for (i = 0; i < maxlen; i++) {
1008 snprintf(buf2, sizeof(buf2), " %02x", v[i]);
1009 strlcat(buf, buf2, sizeof(buf));
1011 strlcat(buf, " \n", sizeof(buf));
1012 device_printf(dev, "%s", buf);
1020 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len)
1022 int i, error = -1, try = 0;
1023 struct asmc_softc *sc = device_get_softc(dev);
1025 mtx_lock_spin(&sc->sc_mtx);
1028 ASMC_DPRINTF(("cmd port: cmd write\n"));
1029 if (asmc_command(dev, ASMC_CMDWRITE))
1032 ASMC_DPRINTF(("data port: key\n"));
1033 for (i = 0; i < 4; i++) {
1034 ASMC_DATAPORT_WRITE(sc, key[i]);
1035 if (asmc_wait(dev, 0x04))
1038 ASMC_DPRINTF(("data port: length\n"));
1039 ASMC_DATAPORT_WRITE(sc, len);
1041 ASMC_DPRINTF(("data port: buffer\n"));
1042 for (i = 0; i < len; i++) {
1043 if (asmc_wait(dev, 0x04))
1045 ASMC_DATAPORT_WRITE(sc, buf[i]);
1051 if (++try < 10) goto begin;
1052 device_printf(dev,"%s for key %s failed %d times, giving up\n",
1053 __func__, key, try);
1056 mtx_unlock_spin(&sc->sc_mtx);
1063 * Fan control functions.
1066 asmc_fan_count(device_t dev)
1070 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) < 0)
1077 asmc_fan_getvalue(device_t dev, const char *key, int fan)
1083 snprintf(fankey, sizeof(fankey), key, fan);
1084 if (asmc_key_read(dev, fankey, buf, sizeof buf) < 0)
1086 speed = (buf[0] << 6) | (buf[1] >> 2);
1092 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen)
1097 snprintf(fankey, sizeof(fankey), key, fan);
1098 if (asmc_key_read(dev, fankey, buf, buflen) < 0)
1106 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed)
1116 snprintf(fankey, sizeof(fankey), key, fan);
1117 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0)
1124 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS)
1126 device_t dev = (device_t) arg1;
1131 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan);
1132 error = sysctl_handle_int(oidp, &v, 0, req);
1138 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS)
1141 device_t dev = (device_t) arg1;
1146 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf));
1149 error = sysctl_handle_string(oidp, desc, 0, req);
1155 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS)
1157 device_t dev = (device_t) arg1;
1162 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan);
1163 error = sysctl_handle_int(oidp, &v, 0, req);
1170 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS)
1172 device_t dev = (device_t) arg1;
1177 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan);
1178 error = sysctl_handle_int(oidp, &v, 0, req);
1180 if (error == 0 && req->newptr != NULL) {
1181 unsigned int newspeed = v;
1182 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed);
1189 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS)
1191 device_t dev = (device_t) arg1;
1196 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan);
1197 error = sysctl_handle_int(oidp, &v, 0, req);
1199 if (error == 0 && req->newptr != NULL) {
1200 unsigned int newspeed = v;
1201 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed);
1208 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS)
1210 device_t dev = (device_t) arg1;
1215 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan);
1216 error = sysctl_handle_int(oidp, &v, 0, req);
1218 if (error == 0 && req->newptr != NULL) {
1219 unsigned int newspeed = v;
1220 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed);
1227 * Temperature functions.
1230 asmc_temp_getvalue(device_t dev, const char *key)
1235 * Check for invalid temperatures.
1237 if (asmc_key_read(dev, key, buf, sizeof buf) < 0)
1244 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS)
1246 device_t dev = (device_t) arg1;
1247 struct asmc_softc *sc = device_get_softc(dev);
1250 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]);
1251 error = sysctl_handle_int(oidp, &val, 0, req);
1257 * Sudden Motion Sensor functions.
1260 asmc_sms_read(device_t dev, const char *key, int16_t *val)
1265 /* no need to do locking here as asmc_key_read() already does it */
1270 error = asmc_key_read(dev, key, buf, sizeof buf);
1273 device_printf(dev, "%s called with invalid argument %s\n",
1278 *val = ((int16_t)buf[0] << 8) | buf[1];
1284 asmc_sms_calibrate(device_t dev)
1286 struct asmc_softc *sc = device_get_softc(dev);
1288 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x);
1289 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y);
1290 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z);
1294 asmc_sms_intrfast(void *arg)
1297 device_t dev = (device_t) arg;
1298 struct asmc_softc *sc = device_get_softc(dev);
1299 if (!sc->sc_sms_intr_works)
1300 return (FILTER_HANDLED);
1302 mtx_lock_spin(&sc->sc_mtx);
1303 type = ASMC_INTPORT_READ(sc);
1304 mtx_unlock_spin(&sc->sc_mtx);
1306 sc->sc_sms_intrtype = type;
1307 asmc_sms_printintr(dev, type);
1309 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task);
1310 return (FILTER_HANDLED);
1316 asmc_sms_printintr(device_t dev, uint8_t type)
1320 case ASMC_SMS_INTFF:
1321 device_printf(dev, "WARNING: possible free fall!\n");
1323 case ASMC_SMS_INTHA:
1324 device_printf(dev, "WARNING: high acceleration detected!\n");
1326 case ASMC_SMS_INTSH:
1327 device_printf(dev, "WARNING: possible shock!\n");
1330 device_printf(dev, "%s unknown interrupt\n", __func__);
1335 asmc_sms_task(void *arg, int pending)
1337 struct asmc_softc *sc = (struct asmc_softc *)arg;
1341 switch (sc->sc_sms_intrtype) {
1342 case ASMC_SMS_INTFF:
1345 case ASMC_SMS_INTHA:
1348 case ASMC_SMS_INTSH:
1355 snprintf(notify, sizeof(notify), " notify=0x%x", type);
1356 devctl_notify("ACPI", "asmc", "SMS", notify);
1360 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS)
1362 device_t dev = (device_t) arg1;
1367 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val);
1369 error = sysctl_handle_int(oidp, &v, 0, req);
1375 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS)
1377 device_t dev = (device_t) arg1;
1382 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val);
1384 error = sysctl_handle_int(oidp, &v, 0, req);
1390 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS)
1392 device_t dev = (device_t) arg1;
1397 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val);
1399 error = sysctl_handle_int(oidp, &v, 0, req);
1405 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS)
1407 device_t dev = (device_t) arg1;
1412 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf);
1414 error = sysctl_handle_int(oidp, &v, 0, req);
1420 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS)
1422 device_t dev = (device_t) arg1;
1427 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf);
1429 error = sysctl_handle_int(oidp, &v, 0, req);
1435 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS)
1437 device_t dev = (device_t) arg1;
1443 error = sysctl_handle_int(oidp, &v, 0, req);
1445 if (error == 0 && req->newptr != NULL) {
1446 if (v < 0 || v > 255)
1449 buf[0] = light_control;
1451 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf);