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 const 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 static const 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 "MacBook7,1", "Apple SMC MacBook Core 2 Duo (mid 2010)",
177 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS_DISABLED,
178 ASMC_MB71_TEMPS, ASMC_MB71_TEMPNAMES, ASMC_MB71_TEMPDESCS
182 "MacBookPro1,1", "Apple SMC MacBook Pro Core Duo (15-inch)",
183 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
184 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
188 "MacBookPro1,2", "Apple SMC MacBook Pro Core Duo (17-inch)",
189 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
190 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
194 "MacBookPro2,1", "Apple SMC MacBook Pro Core 2 Duo (17-inch)",
195 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
196 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
200 "MacBookPro2,2", "Apple SMC MacBook Pro Core 2 Duo (15-inch)",
201 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
202 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
206 "MacBookPro3,1", "Apple SMC MacBook Pro Core 2 Duo (15-inch LED)",
207 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
208 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
212 "MacBookPro3,2", "Apple SMC MacBook Pro Core 2 Duo (17-inch HD)",
213 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
214 ASMC_MBP_TEMPS, ASMC_MBP_TEMPNAMES, ASMC_MBP_TEMPDESCS
218 "MacBookPro4,1", "Apple SMC MacBook Pro Core 2 Duo (Penryn)",
219 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
220 ASMC_MBP4_TEMPS, ASMC_MBP4_TEMPNAMES, ASMC_MBP4_TEMPDESCS
224 "MacBookPro5,1", "Apple SMC MacBook Pro Core 2 Duo (2008/2009)",
225 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
226 ASMC_MBP5_TEMPS, ASMC_MBP5_TEMPNAMES, ASMC_MBP5_TEMPDESCS
230 "MacBookPro8,1", "Apple SMC MacBook Pro (early 2011, 13-inch)",
231 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS,
232 ASMC_MBP81_TEMPS, ASMC_MBP81_TEMPNAMES, ASMC_MBP81_TEMPDESCS
236 "MacBookPro8,2", "Apple SMC MacBook Pro (early 2011)",
237 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
238 ASMC_MBP82_TEMPS, ASMC_MBP82_TEMPNAMES, ASMC_MBP82_TEMPDESCS
242 "MacBookPro9,1", "Apple SMC MacBook Pro (mid 2012, 15-inch)",
243 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
244 ASMC_MBP91_TEMPS, ASMC_MBP91_TEMPNAMES, ASMC_MBP91_TEMPDESCS
248 "MacBookPro9,2", "Apple SMC MacBook Pro (mid 2012, 13-inch)",
249 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
250 ASMC_MBP92_TEMPS, ASMC_MBP92_TEMPNAMES, ASMC_MBP92_TEMPDESCS
254 "MacBookPro11,2", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)",
255 ASMC_SMS_FUNCS_DISABLED, ASMC_FAN_FUNCS2, ASMC_LIGHT_FUNCS,
256 ASMC_MBP112_TEMPS, ASMC_MBP112_TEMPNAMES, ASMC_MBP112_TEMPDESCS
260 "MacBookPro11,3", "Apple SMC MacBook Pro Retina Core i7 (2013/2014)",
261 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, ASMC_LIGHT_FUNCS,
262 ASMC_MBP113_TEMPS, ASMC_MBP113_TEMPNAMES, ASMC_MBP113_TEMPDESCS
265 /* The Mac Mini has no SMS */
267 "Macmini1,1", "Apple SMC Mac Mini",
271 ASMC_MM_TEMPS, ASMC_MM_TEMPNAMES, ASMC_MM_TEMPDESCS
274 /* The Mac Mini 2,1 has no SMS */
276 "Macmini2,1", "Apple SMC Mac Mini 2,1",
277 ASMC_SMS_FUNCS_DISABLED,
279 ASMC_LIGHT_FUNCS_DISABLED,
280 ASMC_MM21_TEMPS, ASMC_MM21_TEMPNAMES, ASMC_MM21_TEMPDESCS
283 /* The Mac Mini 3,1 has no SMS */
285 "Macmini3,1", "Apple SMC Mac Mini 3,1",
289 ASMC_MM31_TEMPS, ASMC_MM31_TEMPNAMES, ASMC_MM31_TEMPDESCS
292 /* The Mac Mini 4,1 (Mid-2010) has no SMS */
294 "Macmini4,1", "Apple SMC Mac mini 4,1 (Mid-2010)",
295 ASMC_SMS_FUNCS_DISABLED,
297 ASMC_LIGHT_FUNCS_DISABLED,
298 ASMC_MM41_TEMPS, ASMC_MM41_TEMPNAMES, ASMC_MM41_TEMPDESCS
301 /* The Mac Mini 5,1 has no SMS */
302 /* - same sensors as Mac Mini 5,2 */
304 "Macmini5,1", "Apple SMC Mac Mini 5,1",
308 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS
311 /* The Mac Mini 5,2 has no SMS */
313 "Macmini5,2", "Apple SMC Mac Mini 5,2",
317 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS
320 /* The Mac Mini 5,3 has no SMS */
321 /* - same sensors as Mac Mini 5,2 */
323 "Macmini5,3", "Apple SMC Mac Mini 5,3",
327 ASMC_MM52_TEMPS, ASMC_MM52_TEMPNAMES, ASMC_MM52_TEMPDESCS
330 /* The Mac Mini 7,1 has no SMS */
332 "Macmini7,1", "Apple SMC Mac Mini 7,1",
336 ASMC_MM71_TEMPS, ASMC_MM71_TEMPNAMES, ASMC_MM71_TEMPDESCS
339 /* Idem for the Mac Pro "Quad Core" (original) */
341 "MacPro1,1", "Apple SMC Mac Pro (Quad Core)",
345 ASMC_MP1_TEMPS, ASMC_MP1_TEMPNAMES, ASMC_MP1_TEMPDESCS
348 /* Idem for the Mac Pro (8-core) */
350 "MacPro2", "Apple SMC Mac Pro (8-core)",
354 ASMC_MP2_TEMPS, ASMC_MP2_TEMPNAMES, ASMC_MP2_TEMPDESCS
357 /* Idem for the MacPro 2010*/
359 "MacPro5,1", "Apple SMC MacPro (2010)",
363 ASMC_MP5_TEMPS, ASMC_MP5_TEMPNAMES, ASMC_MP5_TEMPDESCS
366 /* Idem for the Mac Pro 2013 (cylinder) */
368 "MacPro6,1", "Apple SMC Mac Pro (2013)",
369 ASMC_SMS_FUNCS_DISABLED,
371 ASMC_LIGHT_FUNCS_DISABLED,
372 ASMC_MP6_TEMPS, ASMC_MP6_TEMPNAMES, ASMC_MP6_TEMPDESCS
376 "MacBookAir1,1", "Apple SMC MacBook Air",
377 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
378 ASMC_MBA_TEMPS, ASMC_MBA_TEMPNAMES, ASMC_MBA_TEMPDESCS
382 "MacBookAir3,1", "Apple SMC MacBook Air Core 2 Duo (Late 2010)",
383 ASMC_SMS_FUNCS, ASMC_FAN_FUNCS, NULL, NULL, NULL,
384 ASMC_MBA3_TEMPS, ASMC_MBA3_TEMPNAMES, ASMC_MBA3_TEMPDESCS
388 "MacBookAir4,1", "Apple SMC Macbook Air 11-inch (Mid 2011)",
389 ASMC_SMS_FUNCS_DISABLED,
392 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS
396 "MacBookAir4,2", "Apple SMC Macbook Air 13-inch (Mid 2011)",
397 ASMC_SMS_FUNCS_DISABLED,
400 ASMC_MBA4_TEMPS, ASMC_MBA4_TEMPNAMES, ASMC_MBA4_TEMPDESCS
404 "MacBookAir5,1", "Apple SMC MacBook Air 11-inch (Mid 2012)",
405 ASMC_SMS_FUNCS_DISABLED,
408 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS
412 "MacBookAir5,2", "Apple SMC MacBook Air 13-inch (Mid 2012)",
413 ASMC_SMS_FUNCS_DISABLED,
416 ASMC_MBA5_TEMPS, ASMC_MBA5_TEMPNAMES, ASMC_MBA5_TEMPDESCS
420 "MacBookAir7,1", "Apple SMC MacBook Air 11-inch (Early 2015)",
421 ASMC_SMS_FUNCS_DISABLED,
424 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS
428 "MacBookAir7,2", "Apple SMC MacBook Air 13-inch (Early 2015)",
429 ASMC_SMS_FUNCS_DISABLED,
432 ASMC_MBA7_TEMPS, ASMC_MBA7_TEMPNAMES, ASMC_MBA7_TEMPDESCS
437 #undef ASMC_SMS_FUNCS
438 #undef ASMC_SMS_FUNCS_DISABLED
439 #undef ASMC_FAN_FUNCS
440 #undef ASMC_FAN_FUNCS2
441 #undef ASMC_LIGHT_FUNCS
446 static device_method_t asmc_methods[] = {
447 DEVMETHOD(device_probe, asmc_probe),
448 DEVMETHOD(device_attach, asmc_attach),
449 DEVMETHOD(device_detach, asmc_detach),
450 DEVMETHOD(device_resume, asmc_resume),
454 static driver_t asmc_driver = {
457 sizeof(struct asmc_softc)
463 #define _COMPONENT ACPI_OEM
464 ACPI_MODULE_NAME("ASMC")
466 #define ASMC_DPRINTF(str) device_printf(dev, str)
468 #define ASMC_DPRINTF(str)
471 /* NB: can't be const */
472 static char *asmc_ids[] = { "APP0001", NULL };
474 static unsigned int light_control = 0;
476 DRIVER_MODULE(asmc, acpi, asmc_driver, NULL, NULL);
477 MODULE_DEPEND(asmc, acpi, 1, 1, 1);
479 static const struct asmc_model *
480 asmc_match(device_t dev)
485 model = kern_getenv("smbios.system.product");
489 for (i = 0; asmc_models[i].smc_model; i++) {
490 if (!strncmp(model, asmc_models[i].smc_model, strlen(model))) {
492 return (&asmc_models[i]);
501 asmc_probe(device_t dev)
503 const struct asmc_model *model;
506 if (resource_disabled("asmc", 0))
508 rv = ACPI_ID_PROBE(device_get_parent(dev), dev, asmc_ids, NULL);
512 model = asmc_match(dev);
514 device_printf(dev, "model not recognized\n");
517 device_set_desc(dev, model->smc_desc);
523 asmc_attach(device_t dev)
528 struct asmc_softc *sc = device_get_softc(dev);
529 struct sysctl_ctx_list *sysctlctx;
530 struct sysctl_oid *sysctlnode;
531 const struct asmc_model *model;
533 sc->sc_ioport = bus_alloc_resource_any(dev, SYS_RES_IOPORT,
534 &sc->sc_rid_port, RF_ACTIVE);
535 if (sc->sc_ioport == NULL) {
536 device_printf(dev, "unable to allocate IO port\n");
540 sysctlctx = device_get_sysctl_ctx(dev);
541 sysctlnode = device_get_sysctl_tree(dev);
543 model = asmc_match(dev);
545 mtx_init(&sc->sc_mtx, "asmc", NULL, MTX_SPIN);
547 sc->sc_model = model;
551 * dev.asmc.n.fan.* tree.
553 sc->sc_fan_tree[0] = SYSCTL_ADD_NODE(sysctlctx,
554 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "fan",
555 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Fan Root Tree");
557 for (i = 1; i <= sc->sc_nfan; i++) {
561 sc->sc_fan_tree[i] = SYSCTL_ADD_NODE(sysctlctx,
562 SYSCTL_CHILDREN(sc->sc_fan_tree[0]),
563 OID_AUTO, name, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
566 SYSCTL_ADD_PROC(sysctlctx,
567 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
569 CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
570 dev, j, model->smc_fan_id, "I",
573 SYSCTL_ADD_PROC(sysctlctx,
574 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
576 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
577 dev, j, model->smc_fan_speed, "I",
580 SYSCTL_ADD_PROC(sysctlctx,
581 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
582 OID_AUTO, "safespeed",
583 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
584 dev, j, model->smc_fan_safespeed, "I",
585 "Fan safe speed in RPM");
587 SYSCTL_ADD_PROC(sysctlctx,
588 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
589 OID_AUTO, "minspeed",
590 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
591 dev, j, model->smc_fan_minspeed, "I",
592 "Fan minimum speed in RPM");
594 SYSCTL_ADD_PROC(sysctlctx,
595 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
596 OID_AUTO, "maxspeed",
597 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
598 dev, j, model->smc_fan_maxspeed, "I",
599 "Fan maximum speed in RPM");
601 SYSCTL_ADD_PROC(sysctlctx,
602 SYSCTL_CHILDREN(sc->sc_fan_tree[i]),
603 OID_AUTO, "targetspeed",
604 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
605 dev, j, model->smc_fan_targetspeed, "I",
606 "Fan target speed in RPM");
610 * dev.asmc.n.temp tree.
612 sc->sc_temp_tree = SYSCTL_ADD_NODE(sysctlctx,
613 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "temp",
614 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Temperature sensors");
616 for (i = 0; model->smc_temps[i]; i++) {
617 SYSCTL_ADD_PROC(sysctlctx,
618 SYSCTL_CHILDREN(sc->sc_temp_tree),
619 OID_AUTO, model->smc_tempnames[i],
620 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
621 dev, i, asmc_temp_sysctl, "I",
622 model->smc_tempdescs[i]);
628 if (model->smc_light_left) {
629 sc->sc_light_tree = SYSCTL_ADD_NODE(sysctlctx,
630 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "light",
631 CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
632 "Keyboard backlight sensors");
634 SYSCTL_ADD_PROC(sysctlctx,
635 SYSCTL_CHILDREN(sc->sc_light_tree),
637 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
638 dev, 0, model->smc_light_left, "I",
639 "Keyboard backlight left sensor");
641 SYSCTL_ADD_PROC(sysctlctx,
642 SYSCTL_CHILDREN(sc->sc_light_tree),
644 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
645 dev, 0, model->smc_light_right, "I",
646 "Keyboard backlight right sensor");
648 SYSCTL_ADD_PROC(sysctlctx,
649 SYSCTL_CHILDREN(sc->sc_light_tree),
651 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_ANYBODY |
652 CTLFLAG_NEEDGIANT, dev, 0,
653 model->smc_light_control, "I",
654 "Keyboard backlight brightness control");
657 if (model->smc_sms_x == NULL)
661 * dev.asmc.n.sms tree.
663 sc->sc_sms_tree = SYSCTL_ADD_NODE(sysctlctx,
664 SYSCTL_CHILDREN(sysctlnode), OID_AUTO, "sms",
665 CTLFLAG_RD | CTLFLAG_MPSAFE, 0, "Sudden Motion Sensor");
667 SYSCTL_ADD_PROC(sysctlctx,
668 SYSCTL_CHILDREN(sc->sc_sms_tree),
670 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
671 dev, 0, model->smc_sms_x, "I",
672 "Sudden Motion Sensor X value");
674 SYSCTL_ADD_PROC(sysctlctx,
675 SYSCTL_CHILDREN(sc->sc_sms_tree),
677 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
678 dev, 0, model->smc_sms_y, "I",
679 "Sudden Motion Sensor Y value");
681 SYSCTL_ADD_PROC(sysctlctx,
682 SYSCTL_CHILDREN(sc->sc_sms_tree),
684 CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_NEEDGIANT,
685 dev, 0, model->smc_sms_z, "I",
686 "Sudden Motion Sensor Z value");
689 * Need a taskqueue to send devctl_notify() events
690 * when the SMS interrupt us.
692 * PI_REALTIME is used due to the sensitivity of the
693 * interrupt. An interrupt from the SMS means that the
694 * disk heads should be turned off as quickly as possible.
696 * We only need to do this for the non INTR_FILTER case.
698 sc->sc_sms_tq = NULL;
699 TASK_INIT(&sc->sc_sms_task, 0, asmc_sms_task, sc);
700 sc->sc_sms_tq = taskqueue_create_fast("asmc_taskq", M_WAITOK,
701 taskqueue_thread_enqueue, &sc->sc_sms_tq);
702 taskqueue_start_threads(&sc->sc_sms_tq, 1, PI_REALTIME, "%s sms taskq",
703 device_get_nameunit(dev));
705 * Allocate an IRQ for the SMS.
708 sc->sc_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
709 &sc->sc_rid_irq, RF_ACTIVE);
710 if (sc->sc_irq == NULL) {
711 device_printf(dev, "unable to allocate IRQ resource\n");
716 ret = bus_setup_intr(dev, sc->sc_irq,
717 INTR_TYPE_MISC | INTR_MPSAFE,
718 asmc_sms_intrfast, NULL,
719 dev, &sc->sc_cookie);
722 device_printf(dev, "unable to setup SMS IRQ\n");
728 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq, sc->sc_irq);
730 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port,
732 mtx_destroy(&sc->sc_mtx);
734 taskqueue_free(sc->sc_sms_tq);
740 asmc_detach(device_t dev)
742 struct asmc_softc *sc = device_get_softc(dev);
745 taskqueue_drain(sc->sc_sms_tq, &sc->sc_sms_task);
746 taskqueue_free(sc->sc_sms_tq);
749 bus_teardown_intr(dev, sc->sc_irq, sc->sc_cookie);
751 bus_release_resource(dev, SYS_RES_IRQ, sc->sc_rid_irq,
754 bus_release_resource(dev, SYS_RES_IOPORT, sc->sc_rid_port,
756 mtx_destroy(&sc->sc_mtx);
762 asmc_resume(device_t dev)
765 buf[0] = light_control;
767 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf);
772 void asmc_dumpall(device_t dev)
776 /* XXX magic number */
777 for (i=0; i < 0x100; i++)
778 asmc_key_dump(dev, i);
783 asmc_init(device_t dev)
785 struct asmc_softc *sc = device_get_softc(dev);
789 if (sc->sc_model->smc_sms_x == NULL)
793 * We are ready to receive interrupts from the SMS.
796 ASMC_DPRINTF(("intok key\n"));
797 asmc_key_write(dev, ASMC_KEY_INTOK, buf, 1);
801 * Initiate the polling intervals.
803 buf[0] = 20; /* msecs */
804 ASMC_DPRINTF(("low int key\n"));
805 asmc_key_write(dev, ASMC_KEY_SMS_LOW_INT, buf, 1);
808 buf[0] = 20; /* msecs */
809 ASMC_DPRINTF(("high int key\n"));
810 asmc_key_write(dev, ASMC_KEY_SMS_HIGH_INT, buf, 1);
815 ASMC_DPRINTF(("sms low key\n"));
816 asmc_key_write(dev, ASMC_KEY_SMS_LOW, buf, 2);
821 ASMC_DPRINTF(("sms high key\n"));
822 asmc_key_write(dev, ASMC_KEY_SMS_HIGH, buf, 2);
826 * I'm not sure what this key does, but it seems to be
830 ASMC_DPRINTF(("sms flag key\n"));
831 asmc_key_write(dev, ASMC_KEY_SMS_FLAG, buf, 1);
834 sc->sc_sms_intr_works = 0;
837 * Retry SMS initialization 1000 times
838 * (takes approx. 2 seconds in worst case)
840 for (i = 0; i < 1000; i++) {
841 if (asmc_key_read(dev, ASMC_KEY_SMS, buf, 2) == 0 &&
842 (buf[0] == ASMC_SMS_INIT1 && buf[1] == ASMC_SMS_INIT2)) {
844 sc->sc_sms_intr_works = 1;
847 buf[0] = ASMC_SMS_INIT1;
848 buf[1] = ASMC_SMS_INIT2;
849 ASMC_DPRINTF(("sms key\n"));
850 asmc_key_write(dev, ASMC_KEY_SMS, buf, 2);
853 device_printf(dev, "WARNING: Sudden Motion Sensor not initialized!\n");
856 asmc_sms_calibrate(dev);
858 sc->sc_nfan = asmc_fan_count(dev);
859 if (sc->sc_nfan > ASMC_MAXFANS) {
860 device_printf(dev, "more than %d fans were detected. Please "
861 "report this.\n", ASMC_MAXFANS);
862 sc->sc_nfan = ASMC_MAXFANS;
867 * The number of keys is a 32 bit buffer
869 asmc_key_read(dev, ASMC_NKEYS, buf, 4);
870 device_printf(dev, "number of keys: %d\n", ntohl(*(uint32_t*)buf));
881 * We need to make sure that the SMC acks the byte sent.
882 * Just wait up to (amount * 10) ms.
885 asmc_wait_ack(device_t dev, uint8_t val, int amount)
887 struct asmc_softc *sc = device_get_softc(dev);
890 val = val & ASMC_STATUS_MASK;
892 for (i = 0; i < amount; i++) {
893 if ((ASMC_CMDPORT_READ(sc) & ASMC_STATUS_MASK) == val)
902 * We need to make sure that the SMC acks the byte sent.
903 * Just wait up to 100 ms.
906 asmc_wait(device_t dev, uint8_t val)
909 struct asmc_softc *sc;
912 if (asmc_wait_ack(dev, val, 1000) == 0)
916 sc = device_get_softc(dev);
918 val = val & ASMC_STATUS_MASK;
921 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, val,
922 ASMC_CMDPORT_READ(sc));
928 * Send the given command, retrying up to 10 times if
929 * the acknowledgement fails.
932 asmc_command(device_t dev, uint8_t command) {
934 struct asmc_softc *sc = device_get_softc(dev);
936 for (i=0; i < 10; i++) {
937 ASMC_CMDPORT_WRITE(sc, command);
938 if (asmc_wait_ack(dev, 0x0c, 100) == 0) {
944 device_printf(dev, "%s failed: 0x%x, 0x%x\n", __func__, command,
945 ASMC_CMDPORT_READ(sc));
951 asmc_key_read(device_t dev, const char *key, uint8_t *buf, uint8_t len)
953 int i, error = 1, try = 0;
954 struct asmc_softc *sc = device_get_softc(dev);
956 mtx_lock_spin(&sc->sc_mtx);
959 if (asmc_command(dev, ASMC_CMDREAD))
962 for (i = 0; i < 4; i++) {
963 ASMC_DATAPORT_WRITE(sc, key[i]);
964 if (asmc_wait(dev, 0x04))
968 ASMC_DATAPORT_WRITE(sc, len);
970 for (i = 0; i < len; i++) {
971 if (asmc_wait(dev, 0x05))
973 buf[i] = ASMC_DATAPORT_READ(sc);
979 if (++try < 10) goto begin;
980 device_printf(dev,"%s for key %s failed %d times, giving up\n",
984 mtx_unlock_spin(&sc->sc_mtx);
991 asmc_key_dump(device_t dev, int number)
993 struct asmc_softc *sc = device_get_softc(dev);
995 char type[7] = { 0 };
999 int i, error = 1, try = 0;
1001 mtx_lock_spin(&sc->sc_mtx);
1003 index[0] = (number >> 24) & 0xff;
1004 index[1] = (number >> 16) & 0xff;
1005 index[2] = (number >> 8) & 0xff;
1006 index[3] = (number) & 0xff;
1009 if (asmc_command(dev, 0x12))
1012 for (i = 0; i < 4; i++) {
1013 ASMC_DATAPORT_WRITE(sc, index[i]);
1014 if (asmc_wait(dev, 0x04))
1018 ASMC_DATAPORT_WRITE(sc, 4);
1020 for (i = 0; i < 4; i++) {
1021 if (asmc_wait(dev, 0x05))
1023 key[i] = ASMC_DATAPORT_READ(sc);
1027 if (asmc_command(dev, 0x13))
1030 for (i = 0; i < 4; i++) {
1031 ASMC_DATAPORT_WRITE(sc, key[i]);
1032 if (asmc_wait(dev, 0x04))
1036 ASMC_DATAPORT_WRITE(sc, 6);
1038 for (i = 0; i < 6; i++) {
1039 if (asmc_wait(dev, 0x05))
1041 type[i] = ASMC_DATAPORT_READ(sc);
1047 if (++try < 10) goto begin;
1048 device_printf(dev,"%s for key %s failed %d times, giving up\n",
1049 __func__, key, try);
1050 mtx_unlock_spin(&sc->sc_mtx);
1055 mtx_unlock_spin(&sc->sc_mtx);
1059 if (maxlen > sizeof(v)) {
1061 "WARNING: cropping maxlen from %d to %zu\n",
1065 for (i = 0; i < sizeof(v); i++) {
1068 asmc_key_read(dev, key, v, maxlen);
1069 snprintf(buf, sizeof(buf), "key %d is: %s, type %s "
1070 "(len %d), data", number, key, type, maxlen);
1071 for (i = 0; i < maxlen; i++) {
1072 snprintf(buf2, sizeof(buf2), " %02x", v[i]);
1073 strlcat(buf, buf2, sizeof(buf));
1075 strlcat(buf, " \n", sizeof(buf));
1076 device_printf(dev, "%s", buf);
1084 asmc_key_write(device_t dev, const char *key, uint8_t *buf, uint8_t len)
1086 int i, error = -1, try = 0;
1087 struct asmc_softc *sc = device_get_softc(dev);
1089 mtx_lock_spin(&sc->sc_mtx);
1092 ASMC_DPRINTF(("cmd port: cmd write\n"));
1093 if (asmc_command(dev, ASMC_CMDWRITE))
1096 ASMC_DPRINTF(("data port: key\n"));
1097 for (i = 0; i < 4; i++) {
1098 ASMC_DATAPORT_WRITE(sc, key[i]);
1099 if (asmc_wait(dev, 0x04))
1102 ASMC_DPRINTF(("data port: length\n"));
1103 ASMC_DATAPORT_WRITE(sc, len);
1105 ASMC_DPRINTF(("data port: buffer\n"));
1106 for (i = 0; i < len; i++) {
1107 if (asmc_wait(dev, 0x04))
1109 ASMC_DATAPORT_WRITE(sc, buf[i]);
1115 if (++try < 10) goto begin;
1116 device_printf(dev,"%s for key %s failed %d times, giving up\n",
1117 __func__, key, try);
1120 mtx_unlock_spin(&sc->sc_mtx);
1127 * Fan control functions.
1130 asmc_fan_count(device_t dev)
1134 if (asmc_key_read(dev, ASMC_KEY_FANCOUNT, buf, sizeof buf) != 0)
1141 asmc_fan_getvalue(device_t dev, const char *key, int fan)
1147 snprintf(fankey, sizeof(fankey), key, fan);
1148 if (asmc_key_read(dev, fankey, buf, sizeof buf) != 0)
1150 speed = (buf[0] << 6) | (buf[1] >> 2);
1156 asmc_fan_getstring(device_t dev, const char *key, int fan, uint8_t *buf, uint8_t buflen)
1161 snprintf(fankey, sizeof(fankey), key, fan);
1162 if (asmc_key_read(dev, fankey, buf, buflen) != 0)
1170 asmc_fan_setvalue(device_t dev, const char *key, int fan, int speed)
1180 snprintf(fankey, sizeof(fankey), key, fan);
1181 if (asmc_key_write(dev, fankey, buf, sizeof buf) < 0)
1188 asmc_mb_sysctl_fanspeed(SYSCTL_HANDLER_ARGS)
1190 device_t dev = (device_t) arg1;
1195 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSPEED, fan);
1196 error = sysctl_handle_int(oidp, &v, 0, req);
1202 asmc_mb_sysctl_fanid(SYSCTL_HANDLER_ARGS)
1205 device_t dev = (device_t) arg1;
1210 desc = asmc_fan_getstring(dev, ASMC_KEY_FANID, fan, buf, sizeof(buf));
1213 error = sysctl_handle_string(oidp, desc, 0, req);
1219 asmc_mb_sysctl_fansafespeed(SYSCTL_HANDLER_ARGS)
1221 device_t dev = (device_t) arg1;
1226 v = asmc_fan_getvalue(dev, ASMC_KEY_FANSAFESPEED, fan);
1227 error = sysctl_handle_int(oidp, &v, 0, req);
1233 asmc_mb_sysctl_fanminspeed(SYSCTL_HANDLER_ARGS)
1235 device_t dev = (device_t) arg1;
1240 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMINSPEED, fan);
1241 error = sysctl_handle_int(oidp, &v, 0, req);
1243 if (error == 0 && req->newptr != NULL) {
1244 unsigned int newspeed = v;
1245 asmc_fan_setvalue(dev, ASMC_KEY_FANMINSPEED, fan, newspeed);
1252 asmc_mb_sysctl_fanmaxspeed(SYSCTL_HANDLER_ARGS)
1254 device_t dev = (device_t) arg1;
1259 v = asmc_fan_getvalue(dev, ASMC_KEY_FANMAXSPEED, fan);
1260 error = sysctl_handle_int(oidp, &v, 0, req);
1262 if (error == 0 && req->newptr != NULL) {
1263 unsigned int newspeed = v;
1264 asmc_fan_setvalue(dev, ASMC_KEY_FANMAXSPEED, fan, newspeed);
1271 asmc_mb_sysctl_fantargetspeed(SYSCTL_HANDLER_ARGS)
1273 device_t dev = (device_t) arg1;
1278 v = asmc_fan_getvalue(dev, ASMC_KEY_FANTARGETSPEED, fan);
1279 error = sysctl_handle_int(oidp, &v, 0, req);
1281 if (error == 0 && req->newptr != NULL) {
1282 unsigned int newspeed = v;
1283 asmc_fan_setvalue(dev, ASMC_KEY_FANTARGETSPEED, fan, newspeed);
1290 * Temperature functions.
1293 asmc_temp_getvalue(device_t dev, const char *key)
1298 * Check for invalid temperatures.
1300 if (asmc_key_read(dev, key, buf, sizeof buf) != 0)
1307 asmc_temp_sysctl(SYSCTL_HANDLER_ARGS)
1309 device_t dev = (device_t) arg1;
1310 struct asmc_softc *sc = device_get_softc(dev);
1313 val = asmc_temp_getvalue(dev, sc->sc_model->smc_temps[arg2]);
1314 error = sysctl_handle_int(oidp, &val, 0, req);
1320 * Sudden Motion Sensor functions.
1323 asmc_sms_read(device_t dev, const char *key, int16_t *val)
1328 /* no need to do locking here as asmc_key_read() already does it */
1333 error = asmc_key_read(dev, key, buf, sizeof buf);
1336 device_printf(dev, "%s called with invalid argument %s\n",
1341 *val = ((int16_t)buf[0] << 8) | buf[1];
1347 asmc_sms_calibrate(device_t dev)
1349 struct asmc_softc *sc = device_get_softc(dev);
1351 asmc_sms_read(dev, ASMC_KEY_SMS_X, &sc->sms_rest_x);
1352 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &sc->sms_rest_y);
1353 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &sc->sms_rest_z);
1357 asmc_sms_intrfast(void *arg)
1360 device_t dev = (device_t) arg;
1361 struct asmc_softc *sc = device_get_softc(dev);
1362 if (!sc->sc_sms_intr_works)
1363 return (FILTER_HANDLED);
1365 mtx_lock_spin(&sc->sc_mtx);
1366 type = ASMC_INTPORT_READ(sc);
1367 mtx_unlock_spin(&sc->sc_mtx);
1369 sc->sc_sms_intrtype = type;
1370 asmc_sms_printintr(dev, type);
1372 taskqueue_enqueue(sc->sc_sms_tq, &sc->sc_sms_task);
1373 return (FILTER_HANDLED);
1377 asmc_sms_printintr(device_t dev, uint8_t type)
1381 case ASMC_SMS_INTFF:
1382 device_printf(dev, "WARNING: possible free fall!\n");
1384 case ASMC_SMS_INTHA:
1385 device_printf(dev, "WARNING: high acceleration detected!\n");
1387 case ASMC_SMS_INTSH:
1388 device_printf(dev, "WARNING: possible shock!\n");
1391 device_printf(dev, "%s unknown interrupt\n", __func__);
1396 asmc_sms_task(void *arg, int pending)
1398 struct asmc_softc *sc = (struct asmc_softc *)arg;
1402 switch (sc->sc_sms_intrtype) {
1403 case ASMC_SMS_INTFF:
1406 case ASMC_SMS_INTHA:
1409 case ASMC_SMS_INTSH:
1416 snprintf(notify, sizeof(notify), " notify=0x%x", type);
1417 devctl_notify("ACPI", "asmc", "SMS", notify);
1421 asmc_mb_sysctl_sms_x(SYSCTL_HANDLER_ARGS)
1423 device_t dev = (device_t) arg1;
1428 asmc_sms_read(dev, ASMC_KEY_SMS_X, &val);
1430 error = sysctl_handle_int(oidp, &v, 0, req);
1436 asmc_mb_sysctl_sms_y(SYSCTL_HANDLER_ARGS)
1438 device_t dev = (device_t) arg1;
1443 asmc_sms_read(dev, ASMC_KEY_SMS_Y, &val);
1445 error = sysctl_handle_int(oidp, &v, 0, req);
1451 asmc_mb_sysctl_sms_z(SYSCTL_HANDLER_ARGS)
1453 device_t dev = (device_t) arg1;
1458 asmc_sms_read(dev, ASMC_KEY_SMS_Z, &val);
1460 error = sysctl_handle_int(oidp, &v, 0, req);
1466 asmc_mbp_sysctl_light_left(SYSCTL_HANDLER_ARGS)
1468 device_t dev = (device_t) arg1;
1473 asmc_key_read(dev, ASMC_KEY_LIGHTLEFT, buf, sizeof buf);
1475 error = sysctl_handle_int(oidp, &v, 0, req);
1481 asmc_mbp_sysctl_light_right(SYSCTL_HANDLER_ARGS)
1483 device_t dev = (device_t) arg1;
1488 asmc_key_read(dev, ASMC_KEY_LIGHTRIGHT, buf, sizeof buf);
1490 error = sysctl_handle_int(oidp, &v, 0, req);
1496 asmc_mbp_sysctl_light_control(SYSCTL_HANDLER_ARGS)
1498 device_t dev = (device_t) arg1;
1504 error = sysctl_handle_int(oidp, &v, 0, req);
1506 if (error == 0 && req->newptr != NULL) {
1507 if (v < 0 || v > 255)
1510 buf[0] = light_control;
1512 asmc_key_write(dev, ASMC_KEY_LIGHTVALUE, buf, sizeof buf);