1 /*-
2  * Copyright (c) 2005-2006 Mitsuru IWASAKI <iwasaki@FreeBSD.org>
33 #include <contrib/dev/acpica/include/acpi.h>
34 #include <contrib/dev/acpica/include/accommon.h>
36 #include <dev/acpica/acpivar.h>
37 #include <dev/acpica/acpiio.h>
44 #define ACPI_DOCK_STATUS_UNKNOWN	-1
49 #define ACPI_DOCK_LOCK			1 /* Prevent dev from being removed */
72 acpi_dock_get_info(device_t dev)  in acpi_dock_get_info()  argument
77 	sc = device_get_softc(dev);  in acpi_dock_get_info()
78 	h = acpi_get_handle(dev);  in acpi_dock_get_info()
80 	if (ACPI_FAILURE(acpi_GetInteger(h, "_STA", &sc->_sta)))  in acpi_dock_get_info()
81 		sc->_sta = ACPI_DOCK_STATUS_UNKNOWN;  in acpi_dock_get_info()
82 	if (ACPI_FAILURE(acpi_GetInteger(h, "_BDN", &sc->_bdn)))  in acpi_dock_get_info()
83 		sc->_bdn = ACPI_DOCK_STATUS_UNKNOWN;  in acpi_dock_get_info()
84 	if (ACPI_FAILURE(acpi_GetInteger(h, "_UID", &sc->_uid)))  in acpi_dock_get_info()
85 		sc->_uid = ACPI_DOCK_STATUS_UNKNOWN;  in acpi_dock_get_info()
86 	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),  in acpi_dock_get_info()
87 		    "_STA: %04x, _BDN: %04x, _UID: %04x\n", sc->_sta,  in acpi_dock_get_info()
88 		    sc->_bdn, sc->_uid);  in acpi_dock_get_info()
92 acpi_dock_execute_dck(device_t dev, int dock)  in acpi_dock_execute_dck()  argument
101 	h = acpi_get_handle(dev);  in acpi_dock_execute_dck()
122 	return (-1);  in acpi_dock_execute_dck()
127 acpi_dock_execute_lck(device_t dev, int lock)  in acpi_dock_execute_lck()  argument
131 	h = acpi_get_handle(dev);  in acpi_dock_execute_lck()
137 acpi_dock_execute_ejx(device_t dev, int eject, int state)  in acpi_dock_execute_ejx()  argument
143 	h = acpi_get_handle(dev);  in acpi_dock_execute_ejx()
149 	return (-1);  in acpi_dock_execute_ejx()
154 acpi_dock_is_ejd_device(ACPI_HANDLE dock_handle, ACPI_HANDLE handle)  in acpi_dock_is_ejd_device()  argument
165 	ret_status = AcpiEvaluateObject(handle, "_EJD", NULL, &ejd_buffer);  in acpi_dock_is_ejd_device()
187 	device_t	dev;  in acpi_dock_attach_later()  local
189 	dev = (device_t)context;  in acpi_dock_attach_later()
191 	if (!device_is_enabled(dev))  in acpi_dock_attach_later()
192 		device_enable(dev);  in acpi_dock_attach_later()
195 	device_probe_and_attach(dev);  in acpi_dock_attach_later()
200 acpi_dock_insert_child(ACPI_HANDLE handle, UINT32 level, void *context,  in acpi_dock_insert_child()  argument
203 	device_t	dock_dev, dev;  in acpi_dock_insert_child()  local
209 	if (!acpi_dock_is_ejd_device(dock_handle, handle))  in acpi_dock_insert_child()
213 		    "inserting device for %s\n", acpi_name(handle));  in acpi_dock_insert_child()
218 	 * still un-initialized, also control methods such as _INI, _STA  in acpi_dock_insert_child()
226 	AcpiNsWalkNamespace(ACPI_TYPE_ANY, handle,  in acpi_dock_insert_child()
230 	dev = acpi_get_device(handle);  in acpi_dock_insert_child()
231 	if (dev == NULL) {  in acpi_dock_insert_child()
233 		    acpi_name(handle));  in acpi_dock_insert_child()
237 	AcpiOsExecute(OSL_NOTIFY_HANDLER, acpi_dock_attach_later, dev);  in acpi_dock_insert_child()
244 acpi_dock_insert_children(device_t dev)  in acpi_dock_insert_children()  argument
252 		    100, acpi_dock_insert_child, NULL, dev, NULL);  in acpi_dock_insert_children()
257 acpi_dock_insert(device_t dev)  in acpi_dock_insert()  argument
264 	sc = device_get_softc(dev);  in acpi_dock_insert()
265 	h = acpi_get_handle(dev);  in acpi_dock_insert()
267 	if (sc->status == ACPI_DOCK_STATUS_UNDOCKED ||  in acpi_dock_insert()
268 	    sc->status == ACPI_DOCK_STATUS_UNKNOWN) {  in acpi_dock_insert()
269 		acpi_dock_execute_lck(dev, ACPI_DOCK_LOCK);  in acpi_dock_insert()
270 		if (acpi_dock_execute_dck(dev, ACPI_DOCK_CONNECT) != 0) {  in acpi_dock_insert()
271 			device_printf(dev, "_DCK failed\n");  in acpi_dock_insert()
276 			acpi_dock_insert_children(dev);  in acpi_dock_insert()
281 		sc->status = ACPI_DOCK_STATUS_DOCKED;  in acpi_dock_insert()
290 acpi_dock_eject_child(ACPI_HANDLE handle, UINT32 level, void *context,  in acpi_dock_eject_child()  argument
293 	device_t	dock_dev, dev;  in acpi_dock_eject_child()  local
299 	if (!acpi_dock_is_ejd_device(dock_handle, handle))  in acpi_dock_eject_child()
303 	    "ejecting device for %s\n", acpi_name(handle));  in acpi_dock_eject_child()
305 	dev = acpi_get_device(handle);  in acpi_dock_eject_child()
306 	if (dev != NULL && device_is_attached(dev)) {  in acpi_dock_eject_child()
308 		device_detach(dev);  in acpi_dock_eject_child()
312 	acpi_SetInteger(handle, "_EJ0", 0);  in acpi_dock_eject_child()
318 acpi_dock_eject_children(device_t dev)  in acpi_dock_eject_children()  argument
326 		    100, acpi_dock_eject_child, NULL, &dev, NULL);  in acpi_dock_eject_children()
331 acpi_dock_removal(device_t dev)  in acpi_dock_removal()  argument
338 	sc = device_get_softc(dev);  in acpi_dock_removal()
339 	h = acpi_get_handle(dev);  in acpi_dock_removal()
341 	if (sc->status == ACPI_DOCK_STATUS_DOCKED ||  in acpi_dock_removal()
342 	    sc->status == ACPI_DOCK_STATUS_UNKNOWN) {  in acpi_dock_removal()
343 		acpi_dock_eject_children(dev);  in acpi_dock_removal()
344 		if (acpi_dock_execute_dck(dev, ACPI_DOCK_ISOLATE) != 0)  in acpi_dock_removal()
347 		acpi_dock_execute_lck(dev, ACPI_DOCK_UNLOCK);  in acpi_dock_removal()
349 		if (acpi_dock_execute_ejx(dev, 1, 0) != 0) {  in acpi_dock_removal()
350 			device_printf(dev, "_EJ0 failed\n");  in acpi_dock_removal()
356 		sc->status = ACPI_DOCK_STATUS_UNDOCKED;  in acpi_dock_removal()
359 	acpi_dock_get_info(dev);  in acpi_dock_removal()
360 	if (sc->_sta != 0)  in acpi_dock_removal()
361 		device_printf(dev, "mechanical failure (%#x).\n", sc->_sta);  in acpi_dock_removal()
369 acpi_dock_device_check(device_t dev)  in acpi_dock_device_check()  argument
375 	sc = device_get_softc(dev);  in acpi_dock_device_check()
376 	acpi_dock_get_info(dev);  in acpi_dock_device_check()
383 	if (sc->_sta == ACPI_DOCK_STATUS_UNKNOWN ||  in acpi_dock_device_check()
384 	    ACPI_DEVICE_PRESENT(sc->_sta))  in acpi_dock_device_check()
385 		acpi_dock_insert(dev);  in acpi_dock_device_check()
386 	else if (sc->_sta == 0)  in acpi_dock_device_check()
387 		acpi_dock_removal(dev);  in acpi_dock_device_check()
397 	device_t	dev;  in acpi_dock_notify_handler()  local
399 	dev = (device_t) context;  in acpi_dock_notify_handler()
400 	ACPI_VPRINT(dev, acpi_device_get_parent_softc(dev),  in acpi_dock_notify_handler()
407 		acpi_dock_device_check(dev);  in acpi_dock_notify_handler()
410 		acpi_dock_removal(dev);  in acpi_dock_notify_handler()
413 		device_printf(dev, "unknown notify %#x\n", notify);  in acpi_dock_notify_handler()
423 	device_t	dev;  in acpi_dock_status_sysctl()  local
426 	dev = (device_t)arg1;  in acpi_dock_status_sysctl()
428 	sc = device_get_softc(dev);  in acpi_dock_status_sysctl()
429 	status = sc->status;  in acpi_dock_status_sysctl()
433 	if (err != 0 || req->newptr == NULL)  in acpi_dock_status_sysctl()
442 	if (status == sc->status)  in acpi_dock_status_sysctl()
447 		acpi_dock_removal(dev);  in acpi_dock_status_sysctl()
450 		acpi_dock_device_check(dev);  in acpi_dock_status_sysctl()
462 acpi_dock_probe(device_t dev)  in acpi_dock_probe()  argument
466 	h = acpi_get_handle(dev);  in acpi_dock_probe()
471 	device_set_desc(dev, "ACPI Docking Station");  in acpi_dock_probe()
481 acpi_dock_attach(device_t dev)  in acpi_dock_attach()  argument
486 	sc = device_get_softc(dev);  in acpi_dock_attach()
487 	h = acpi_get_handle(dev);  in acpi_dock_attach()
491 	sc->status = ACPI_DOCK_STATUS_UNKNOWN;  in acpi_dock_attach()
497 	acpi_dock_device_check(dev);  in acpi_dock_attach()
500 	sc->sysctl_ctx = device_get_sysctl_ctx(dev);  in acpi_dock_attach()
501 	sc->sysctl_tree = device_get_sysctl_tree(dev);  in acpi_dock_attach()
503 	SYSCTL_ADD_INT(sc->sysctl_ctx,  in acpi_dock_attach()
504 		SYSCTL_CHILDREN(sc->sysctl_tree),  in acpi_dock_attach()
506 		&sc->_sta, 0, "Dock _STA");  in acpi_dock_attach()
507 	SYSCTL_ADD_INT(sc->sysctl_ctx,  in acpi_dock_attach()
508 		SYSCTL_CHILDREN(sc->sysctl_tree),  in acpi_dock_attach()
510 		&sc->_bdn, 0, "Dock _BDN");  in acpi_dock_attach()
511 	SYSCTL_ADD_INT(sc->sysctl_ctx,  in acpi_dock_attach()
512 		SYSCTL_CHILDREN(sc->sysctl_tree),  in acpi_dock_attach()
514 		&sc->_uid, 0, "Dock _UID");  in acpi_dock_attach()
515 	SYSCTL_ADD_PROC(sc->sysctl_ctx,  in acpi_dock_attach()
516 		SYSCTL_CHILDREN(sc->sysctl_tree),  in acpi_dock_attach()
518 		CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, 0,  in acpi_dock_attach()
525 				 acpi_dock_notify_handler, dev);  in acpi_dock_attach()