1b72d5b75SMichael Corcoran /*
2b72d5b75SMichael Corcoran  * CDDL HEADER START
3b72d5b75SMichael Corcoran  *
4b72d5b75SMichael Corcoran  * The contents of this file are subject to the terms of the
5b72d5b75SMichael Corcoran  * Common Development and Distribution License (the "License").
6b72d5b75SMichael Corcoran  * You may not use this file except in compliance with the License.
7b72d5b75SMichael Corcoran  *
8b72d5b75SMichael Corcoran  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9b72d5b75SMichael Corcoran  * or http://www.opensolaris.org/os/licensing.
10b72d5b75SMichael Corcoran  * See the License for the specific language governing permissions
11b72d5b75SMichael Corcoran  * and limitations under the License.
12b72d5b75SMichael Corcoran  *
13b72d5b75SMichael Corcoran  * When distributing Covered Code, include this CDDL HEADER in each
14b72d5b75SMichael Corcoran  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15b72d5b75SMichael Corcoran  * If applicable, add the following below this CDDL HEADER, with the
16b72d5b75SMichael Corcoran  * fields enclosed by brackets "[]" replaced with your own identifying
17b72d5b75SMichael Corcoran  * information: Portions Copyright [yyyy] [name of copyright owner]
18b72d5b75SMichael Corcoran  *
19b72d5b75SMichael Corcoran  * CDDL HEADER END
20b72d5b75SMichael Corcoran  */
21b72d5b75SMichael Corcoran 
22b72d5b75SMichael Corcoran /*
23b72d5b75SMichael Corcoran  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24b72d5b75SMichael Corcoran  * Use is subject to license terms.
25b72d5b75SMichael Corcoran  */
26b72d5b75SMichael Corcoran /*
27a3114836SGerry Liu  * Copyright (c) 2009-2010, Intel Corporation.
28b72d5b75SMichael Corcoran  * All rights reserved.
29b72d5b75SMichael Corcoran  */
30*cd21e7c5SGarrett D'Amore /*
31*cd21e7c5SGarrett D'Amore  * Copyright 2012 Garrett D'Amore <garrett@damore.org>.  All rights reserved.
32*cd21e7c5SGarrett D'Amore  */
33b72d5b75SMichael Corcoran /*
34b72d5b75SMichael Corcoran  * This module implements a nexus driver for the ACPI virtual bus.
35b72d5b75SMichael Corcoran  * It does not handle any of the DDI functions passed up to it by the child
36b72d5b75SMichael Corcoran  * drivers, but instead allows them to bubble up to the root node.
37b72d5b75SMichael Corcoran  */
38b72d5b75SMichael Corcoran 
39b72d5b75SMichael Corcoran #include <sys/types.h>
40b72d5b75SMichael Corcoran #include <sys/cmn_err.h>
41b72d5b75SMichael Corcoran #include <sys/conf.h>
42b72d5b75SMichael Corcoran #include <sys/modctl.h>
43b72d5b75SMichael Corcoran #include <sys/ddi.h>
44b72d5b75SMichael Corcoran #include <sys/ddi_impldefs.h>
45b72d5b75SMichael Corcoran #include <sys/ddifm.h>
46a3114836SGerry Liu #include <sys/note.h>
47b72d5b75SMichael Corcoran #include <sys/ndifm.h>
48b72d5b75SMichael Corcoran #include <sys/sunddi.h>
49b72d5b75SMichael Corcoran #include <sys/sunndi.h>
50b72d5b75SMichael Corcoran #include <sys/acpidev.h>
51b72d5b75SMichael Corcoran #include <sys/acpinex.h>
52b72d5b75SMichael Corcoran 
53b72d5b75SMichael Corcoran /* Patchable through /etc/system. */
54b72d5b75SMichael Corcoran #ifdef	DEBUG
55b72d5b75SMichael Corcoran int acpinex_debug = 1;
56b72d5b75SMichael Corcoran #else
57b72d5b75SMichael Corcoran int acpinex_debug = 0;
58b72d5b75SMichael Corcoran #endif
59b72d5b75SMichael Corcoran 
60b72d5b75SMichael Corcoran /*
61b72d5b75SMichael Corcoran  * Driver globals
62b72d5b75SMichael Corcoran  */
63b72d5b75SMichael Corcoran static kmutex_t acpinex_lock;
64b72d5b75SMichael Corcoran static void *acpinex_softstates;
65b72d5b75SMichael Corcoran 
66b72d5b75SMichael Corcoran static int acpinex_info(dev_info_t *, ddi_info_cmd_t, void *, void **);
67b72d5b75SMichael Corcoran static int acpinex_attach(dev_info_t *, ddi_attach_cmd_t);
68b72d5b75SMichael Corcoran static int acpinex_detach(dev_info_t *, ddi_detach_cmd_t);
69b72d5b75SMichael Corcoran static int acpinex_open(dev_t *, int, int, cred_t *);
70b72d5b75SMichael Corcoran static int acpinex_close(dev_t, int, int, cred_t *);
71b72d5b75SMichael Corcoran static int acpinex_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
72b72d5b75SMichael Corcoran static int acpinex_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp,
73b72d5b75SMichael Corcoran     off_t offset, off_t len, caddr_t *vaddrp);
74b72d5b75SMichael Corcoran static int acpinex_ctlops(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, void *,
75b72d5b75SMichael Corcoran     void *);
76b72d5b75SMichael Corcoran static int acpinex_fm_init_child(dev_info_t *, dev_info_t *, int,
77b72d5b75SMichael Corcoran     ddi_iblock_cookie_t *);
78b72d5b75SMichael Corcoran static void acpinex_fm_init(acpinex_softstate_t *softsp);
79b72d5b75SMichael Corcoran static void acpinex_fm_fini(acpinex_softstate_t *softsp);
80b72d5b75SMichael Corcoran 
81b72d5b75SMichael Corcoran extern void make_ddi_ppd(dev_info_t *, struct ddi_parent_private_data **);
82b72d5b75SMichael Corcoran 
83b72d5b75SMichael Corcoran /*
84b72d5b75SMichael Corcoran  * Configuration data structures
85b72d5b75SMichael Corcoran  */
86b72d5b75SMichael Corcoran static struct bus_ops acpinex_bus_ops = {
87b72d5b75SMichael Corcoran 	BUSO_REV,			/* busops_rev */
88b72d5b75SMichael Corcoran 	acpinex_bus_map,		/* bus_map */
89b72d5b75SMichael Corcoran 	NULL,				/* bus_get_intrspec */
90b72d5b75SMichael Corcoran 	NULL,				/* bus_add_intrspec */
91b72d5b75SMichael Corcoran 	NULL,				/* bus_remove_intrspec */
92b72d5b75SMichael Corcoran 	i_ddi_map_fault,		/* bus_map_fault */
93*cd21e7c5SGarrett D'Amore 	NULL,				/* bus_dma_map */
94b72d5b75SMichael Corcoran 	ddi_dma_allochdl,		/* bus_dma_allochdl */
95b72d5b75SMichael Corcoran 	ddi_dma_freehdl,		/* bus_dma_freehdl */
96b72d5b75SMichael Corcoran 	ddi_dma_bindhdl,		/* bus_dma_bindhdl */
97b72d5b75SMichael Corcoran 	ddi_dma_unbindhdl,		/* bus_dma_unbindhdl */
98b72d5b75SMichael Corcoran 	ddi_dma_flush,			/* bus_dma_flush */
99b72d5b75SMichael Corcoran 	ddi_dma_win,			/* bus_dma_win */
100b72d5b75SMichael Corcoran 	ddi_dma_mctl,			/* bus_dma_ctl */
101b72d5b75SMichael Corcoran 	acpinex_ctlops,			/* bus_ctl */
102b72d5b75SMichael Corcoran 	ddi_bus_prop_op,		/* bus_prop_op */
103b72d5b75SMichael Corcoran 	ndi_busop_get_eventcookie,	/* bus_get_eventcookie */
104b72d5b75SMichael Corcoran 	ndi_busop_add_eventcall,	/* bus_add_eventcall */
105b72d5b75SMichael Corcoran 	ndi_busop_remove_eventcall,	/* bus_remove_eventcall */
106b72d5b75SMichael Corcoran 	ndi_post_event,			/* bus_post_event */
107b72d5b75SMichael Corcoran 	NULL,				/* bus_intr_ctl */
108b72d5b75SMichael Corcoran 	NULL,				/* bus_config */
109b72d5b75SMichael Corcoran 	NULL,				/* bus_unconfig */
110b72d5b75SMichael Corcoran 	acpinex_fm_init_child,		/* bus_fm_init */
111b72d5b75SMichael Corcoran 	NULL,				/* bus_fm_fini */
112b72d5b75SMichael Corcoran 	NULL,				/* bus_fm_access_enter */
113b72d5b75SMichael Corcoran 	NULL,				/* bus_fm_access_exit */
114b72d5b75SMichael Corcoran 	NULL,				/* bus_power */
115b72d5b75SMichael Corcoran 	i_ddi_intr_ops			/* bus_intr_op */
116b72d5b75SMichael Corcoran };
117b72d5b75SMichael Corcoran 
118b72d5b75SMichael Corcoran static struct cb_ops acpinex_cb_ops = {
119b72d5b75SMichael Corcoran 	acpinex_open,			/* cb_open */
120b72d5b75SMichael Corcoran 	acpinex_close,			/* cb_close */
121b72d5b75SMichael Corcoran 	nodev,				/* cb_strategy */
122b72d5b75SMichael Corcoran 	nodev,				/* cb_print */
123b72d5b75SMichael Corcoran 	nodev,				/* cb_dump */
124b72d5b75SMichael Corcoran 	nodev,				/* cb_read */
125b72d5b75SMichael Corcoran 	nodev,				/* cb_write */
126b72d5b75SMichael Corcoran 	acpinex_ioctl,			/* cb_ioctl */
127b72d5b75SMichael Corcoran 	nodev,				/* cb_devmap */
128b72d5b75SMichael Corcoran 	nodev,				/* cb_mmap */
129b72d5b75SMichael Corcoran 	nodev,				/* cb_segmap */
130b72d5b75SMichael Corcoran 	nochpoll,			/* cb_poll */
131b72d5b75SMichael Corcoran 	ddi_prop_op,			/* cb_prop_op */
132b72d5b75SMichael Corcoran 	NULL,				/* cb_str */
133b72d5b75SMichael Corcoran 	D_NEW | D_MP | D_HOTPLUG,	/* Driver compatibility flag */
134b72d5b75SMichael Corcoran 	CB_REV,				/* rev */
135b72d5b75SMichael Corcoran 	nodev,				/* int (*cb_aread)() */
136b72d5b75SMichael Corcoran 	nodev				/* int (*cb_awrite)() */
137b72d5b75SMichael Corcoran };
138b72d5b75SMichael Corcoran 
139b72d5b75SMichael Corcoran static struct dev_ops acpinex_ops = {
140b72d5b75SMichael Corcoran 	DEVO_REV,			/* devo_rev, */
141b72d5b75SMichael Corcoran 	0,				/* devo_refcnt */
142b72d5b75SMichael Corcoran 	acpinex_info,			/* devo_getinfo */
143b72d5b75SMichael Corcoran 	nulldev,			/* devo_identify */
144b72d5b75SMichael Corcoran 	nulldev,			/* devo_probe */
145b72d5b75SMichael Corcoran 	acpinex_attach,			/* devo_attach */
146b72d5b75SMichael Corcoran 	acpinex_detach,			/* devo_detach */
147b72d5b75SMichael Corcoran 	nulldev,			/* devo_reset */
148b72d5b75SMichael Corcoran 	&acpinex_cb_ops,		/* devo_cb_ops */
149b72d5b75SMichael Corcoran 	&acpinex_bus_ops,		/* devo_bus_ops */
150b72d5b75SMichael Corcoran 	nulldev,			/* devo_power */
151b72d5b75SMichael Corcoran 	ddi_quiesce_not_needed		/* devo_quiesce */
152b72d5b75SMichael Corcoran };
153b72d5b75SMichael Corcoran 
154b72d5b75SMichael Corcoran static struct modldrv modldrv = {
155b72d5b75SMichael Corcoran 	&mod_driverops,			/* Type of module */
156b72d5b75SMichael Corcoran 	"ACPI virtual bus driver",	/* name of module */
157b72d5b75SMichael Corcoran 	&acpinex_ops,			/* driver ops */
158b72d5b75SMichael Corcoran };
159b72d5b75SMichael Corcoran 
160b72d5b75SMichael Corcoran static struct modlinkage modlinkage = {
161b72d5b75SMichael Corcoran 	MODREV_1,			/* rev */
162b72d5b75SMichael Corcoran 	(void *)&modldrv,
163b72d5b75SMichael Corcoran 	NULL
164b72d5b75SMichael Corcoran };
165b72d5b75SMichael Corcoran 
166b72d5b75SMichael Corcoran /*
167b72d5b75SMichael Corcoran  * Module initialization routines.
168b72d5b75SMichael Corcoran  */
169b72d5b75SMichael Corcoran int
_init(void)170b72d5b75SMichael Corcoran _init(void)
171b72d5b75SMichael Corcoran {
172b72d5b75SMichael Corcoran 	int error;
173b72d5b75SMichael Corcoran 
174b72d5b75SMichael Corcoran 	/* Initialize soft state pointer. */
175b72d5b75SMichael Corcoran 	if ((error = ddi_soft_state_init(&acpinex_softstates,
176b72d5b75SMichael Corcoran 	    sizeof (acpinex_softstate_t), 8)) != 0) {
177b72d5b75SMichael Corcoran 		cmn_err(CE_WARN,
178b72d5b75SMichael Corcoran 		    "acpinex: failed to initialize soft state structure.");
179b72d5b75SMichael Corcoran 		return (error);
180b72d5b75SMichael Corcoran 	}
181b72d5b75SMichael Corcoran 
182a3114836SGerry Liu 	/* Initialize event subsystem. */
183a3114836SGerry Liu 	acpinex_event_init();
184a3114836SGerry Liu 
185b72d5b75SMichael Corcoran 	/* Install the module. */
186b72d5b75SMichael Corcoran 	if ((error = mod_install(&modlinkage)) != 0) {
187b72d5b75SMichael Corcoran 		cmn_err(CE_WARN, "acpinex: failed to install module.");
188b72d5b75SMichael Corcoran 		ddi_soft_state_fini(&acpinex_softstates);
189b72d5b75SMichael Corcoran 		return (error);
190b72d5b75SMichael Corcoran 	}
191b72d5b75SMichael Corcoran 
192b72d5b75SMichael Corcoran 	mutex_init(&acpinex_lock, NULL, MUTEX_DRIVER, NULL);
193b72d5b75SMichael Corcoran 
194b72d5b75SMichael Corcoran 	return (0);
195b72d5b75SMichael Corcoran }
196b72d5b75SMichael Corcoran 
197b72d5b75SMichael Corcoran int
_fini(void)198b72d5b75SMichael Corcoran _fini(void)
199b72d5b75SMichael Corcoran {
200b72d5b75SMichael Corcoran 	int error;
201b72d5b75SMichael Corcoran 
202b72d5b75SMichael Corcoran 	/* Remove the module. */
203b72d5b75SMichael Corcoran 	if ((error = mod_remove(&modlinkage)) != 0) {
204b72d5b75SMichael Corcoran 		return (error);
205b72d5b75SMichael Corcoran 	}
206b72d5b75SMichael Corcoran 
207a3114836SGerry Liu 	/* Shut down event subsystem. */
208a3114836SGerry Liu 	acpinex_event_fini();
209a3114836SGerry Liu 
210b72d5b75SMichael Corcoran 	/* Free the soft state info. */
211b72d5b75SMichael Corcoran 	ddi_soft_state_fini(&acpinex_softstates);
212b72d5b75SMichael Corcoran 
213b72d5b75SMichael Corcoran 	mutex_destroy(&acpinex_lock);
214b72d5b75SMichael Corcoran 
215b72d5b75SMichael Corcoran 	return (0);
216b72d5b75SMichael Corcoran }
217b72d5b75SMichael Corcoran 
218b72d5b75SMichael Corcoran int
_info(struct modinfo * modinfop)219b72d5b75SMichael Corcoran _info(struct modinfo *modinfop)
220b72d5b75SMichael Corcoran {
221b72d5b75SMichael Corcoran 	return (mod_info(&modlinkage, modinfop));
222b72d5b75SMichael Corcoran }
223b72d5b75SMichael Corcoran 
224b72d5b75SMichael Corcoran static int
acpinex_info(dev_info_t * dip,ddi_info_cmd_t infocmd,void * arg,void ** result)225b72d5b75SMichael Corcoran acpinex_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
226b72d5b75SMichael Corcoran {
227a3114836SGerry Liu 	_NOTE(ARGUNUSED(dip));
228a3114836SGerry Liu 
229b72d5b75SMichael Corcoran 	dev_t	dev;
230b72d5b75SMichael Corcoran 	int	instance;
231b72d5b75SMichael Corcoran 
232b72d5b75SMichael Corcoran 	if (infocmd == DDI_INFO_DEVT2INSTANCE) {
233b72d5b75SMichael Corcoran 		dev = (dev_t)arg;
234b72d5b75SMichael Corcoran 		instance = ACPINEX_GET_INSTANCE(getminor(dev));
235b72d5b75SMichael Corcoran 		*result = (void *)(uintptr_t)instance;
236b72d5b75SMichael Corcoran 		return (DDI_SUCCESS);
237b72d5b75SMichael Corcoran 	}
238b72d5b75SMichael Corcoran 
239b72d5b75SMichael Corcoran 	return (DDI_FAILURE);
240b72d5b75SMichael Corcoran }
241b72d5b75SMichael Corcoran 
242b72d5b75SMichael Corcoran static int
acpinex_attach(dev_info_t * devi,ddi_attach_cmd_t cmd)243b72d5b75SMichael Corcoran acpinex_attach(dev_info_t *devi, ddi_attach_cmd_t cmd)
244b72d5b75SMichael Corcoran {
245b72d5b75SMichael Corcoran 	int instance;
246b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp;
247b72d5b75SMichael Corcoran 
248b72d5b75SMichael Corcoran 	switch (cmd) {
249b72d5b75SMichael Corcoran 	case DDI_ATTACH:
250b72d5b75SMichael Corcoran 		break;
251b72d5b75SMichael Corcoran 
252b72d5b75SMichael Corcoran 	case DDI_RESUME:
253b72d5b75SMichael Corcoran 		return (DDI_SUCCESS);
254b72d5b75SMichael Corcoran 
255b72d5b75SMichael Corcoran 	default:
256b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
257b72d5b75SMichael Corcoran 	}
258b72d5b75SMichael Corcoran 
259b72d5b75SMichael Corcoran 	/* Get and check instance number. */
260b72d5b75SMichael Corcoran 	instance = ddi_get_instance(devi);
261b72d5b75SMichael Corcoran 	if (instance >= ACPINEX_INSTANCE_MAX) {
262b72d5b75SMichael Corcoran 		cmn_err(CE_WARN, "acpinex: instance number %d is out of range "
263b72d5b75SMichael Corcoran 		    "in acpinex_attach(), max %d.",
264b72d5b75SMichael Corcoran 		    instance, ACPINEX_INSTANCE_MAX - 1);
265b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
266b72d5b75SMichael Corcoran 	}
267b72d5b75SMichael Corcoran 
268b72d5b75SMichael Corcoran 	/* Get soft state structure. */
269b72d5b75SMichael Corcoran 	if (ddi_soft_state_zalloc(acpinex_softstates, instance)
270b72d5b75SMichael Corcoran 	    != DDI_SUCCESS) {
271b72d5b75SMichael Corcoran 		cmn_err(CE_WARN, "!acpinex: failed to allocate soft state "
272b72d5b75SMichael Corcoran 		    "object in acpinex_attach().");
273b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
274b72d5b75SMichael Corcoran 	}
275b72d5b75SMichael Corcoran 	softsp = ddi_get_soft_state(acpinex_softstates, instance);
276b72d5b75SMichael Corcoran 
277b72d5b75SMichael Corcoran 	/* Initialize soft state structure */
278b72d5b75SMichael Corcoran 	softsp->ans_dip = devi;
279b72d5b75SMichael Corcoran 	(void) ddi_pathname(devi, softsp->ans_path);
280b72d5b75SMichael Corcoran 	if (ACPI_FAILURE(acpica_get_handle(devi, &softsp->ans_hdl))) {
281b72d5b75SMichael Corcoran 		ACPINEX_DEBUG(CE_WARN,
282a3114836SGerry Liu 		    "!acpinex: failed to get ACPI handle for %s.",
283b72d5b75SMichael Corcoran 		    softsp->ans_path);
284b72d5b75SMichael Corcoran 		ddi_soft_state_free(acpinex_softstates, instance);
285b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
286b72d5b75SMichael Corcoran 	}
287b72d5b75SMichael Corcoran 	mutex_init(&softsp->ans_lock, NULL, MUTEX_DRIVER, NULL);
288b72d5b75SMichael Corcoran 
289a3114836SGerry Liu 	/* Install event handler for child/descendant objects. */
290a3114836SGerry Liu 	if (acpinex_event_scan(softsp, B_TRUE) != DDI_SUCCESS) {
291a3114836SGerry Liu 		cmn_err(CE_WARN, "!acpinex: failed to install event handler "
292a3114836SGerry Liu 		    "for children of %s.", softsp->ans_path);
293a3114836SGerry Liu 	}
294a3114836SGerry Liu 
295b72d5b75SMichael Corcoran 	/* nothing to suspend/resume here */
296b72d5b75SMichael Corcoran 	(void) ddi_prop_update_string(DDI_DEV_T_NONE, devi,
297b72d5b75SMichael Corcoran 	    "pm-hardware-state", "no-suspend-resume");
298a3114836SGerry Liu 	(void) ddi_prop_update_int(DDI_DEV_T_NONE, devi,
299a3114836SGerry Liu 	    DDI_NO_AUTODETACH, 1);
300b72d5b75SMichael Corcoran 
301b72d5b75SMichael Corcoran 	acpinex_fm_init(softsp);
302b72d5b75SMichael Corcoran 	ddi_report_dev(devi);
303b72d5b75SMichael Corcoran 
304b72d5b75SMichael Corcoran 	return (DDI_SUCCESS);
305b72d5b75SMichael Corcoran }
306b72d5b75SMichael Corcoran 
307b72d5b75SMichael Corcoran static int
acpinex_detach(dev_info_t * devi,ddi_detach_cmd_t cmd)308b72d5b75SMichael Corcoran acpinex_detach(dev_info_t *devi, ddi_detach_cmd_t cmd)
309b72d5b75SMichael Corcoran {
310b72d5b75SMichael Corcoran 	int instance;
311b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp;
312b72d5b75SMichael Corcoran 
313b72d5b75SMichael Corcoran 	instance = ddi_get_instance(devi);
314b72d5b75SMichael Corcoran 	if (instance >= ACPINEX_INSTANCE_MAX) {
315b72d5b75SMichael Corcoran 		cmn_err(CE_WARN, "acpinex: instance number %d is out of range "
316b72d5b75SMichael Corcoran 		    "in acpinex_detach(), max %d.",
317b72d5b75SMichael Corcoran 		    instance, ACPINEX_INSTANCE_MAX - 1);
318b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
319b72d5b75SMichael Corcoran 	}
320b72d5b75SMichael Corcoran 
321b72d5b75SMichael Corcoran 	softsp = ddi_get_soft_state(acpinex_softstates, instance);
322b72d5b75SMichael Corcoran 	if (softsp == NULL) {
323a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: failed to get soft state "
324b72d5b75SMichael Corcoran 		    "object for instance %d in acpinex_detach()", instance);
325b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
326b72d5b75SMichael Corcoran 	}
327b72d5b75SMichael Corcoran 
328b72d5b75SMichael Corcoran 	switch (cmd) {
329b72d5b75SMichael Corcoran 	case DDI_DETACH:
330a3114836SGerry Liu 		if (acpinex_event_scan(softsp, B_FALSE) != DDI_SUCCESS) {
331a3114836SGerry Liu 			cmn_err(CE_WARN, "!acpinex: failed to uninstall event "
332a3114836SGerry Liu 			    "handler for children of %s.", softsp->ans_path);
333a3114836SGerry Liu 			return (DDI_FAILURE);
334a3114836SGerry Liu 		}
335b72d5b75SMichael Corcoran 		ddi_remove_minor_node(devi, NULL);
336b72d5b75SMichael Corcoran 		acpinex_fm_fini(softsp);
337b72d5b75SMichael Corcoran 		mutex_destroy(&softsp->ans_lock);
338b72d5b75SMichael Corcoran 		ddi_soft_state_free(acpinex_softstates, instance);
339a3114836SGerry Liu 		(void) ddi_prop_update_int(DDI_DEV_T_NONE, devi,
340a3114836SGerry Liu 		    DDI_NO_AUTODETACH, 0);
341b72d5b75SMichael Corcoran 		return (DDI_SUCCESS);
342b72d5b75SMichael Corcoran 
343b72d5b75SMichael Corcoran 	case DDI_SUSPEND:
344b72d5b75SMichael Corcoran 		return (DDI_SUCCESS);
345b72d5b75SMichael Corcoran 
346b72d5b75SMichael Corcoran 	default:
347b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
348b72d5b75SMichael Corcoran 	}
349b72d5b75SMichael Corcoran }
350b72d5b75SMichael Corcoran 
351b72d5b75SMichael Corcoran static int
name_child(dev_info_t * child,char * name,int namelen)352b72d5b75SMichael Corcoran name_child(dev_info_t *child, char *name, int namelen)
353b72d5b75SMichael Corcoran {
354b72d5b75SMichael Corcoran 	char *unitaddr;
355b72d5b75SMichael Corcoran 
356b72d5b75SMichael Corcoran 	ddi_set_parent_data(child, NULL);
357b72d5b75SMichael Corcoran 
358b72d5b75SMichael Corcoran 	name[0] = '\0';
359b72d5b75SMichael Corcoran 	if (ddi_prop_lookup_string(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS,
360b72d5b75SMichael Corcoran 	    ACPIDEV_PROP_NAME_UNIT_ADDR, &unitaddr) == DDI_SUCCESS) {
361a3114836SGerry Liu 		(void) strlcpy(name, unitaddr, namelen);
362b72d5b75SMichael Corcoran 		ddi_prop_free(unitaddr);
363b72d5b75SMichael Corcoran 	} else {
364a3114836SGerry Liu 		ACPINEX_DEBUG(CE_NOTE, "!acpinex: failed to lookup child "
365a3114836SGerry Liu 		    "unit-address prop for %p.", (void *)child);
366b72d5b75SMichael Corcoran 	}
367b72d5b75SMichael Corcoran 
368b72d5b75SMichael Corcoran 	return (DDI_SUCCESS);
369b72d5b75SMichael Corcoran }
370b72d5b75SMichael Corcoran 
371b72d5b75SMichael Corcoran static int
init_child(dev_info_t * child)372b72d5b75SMichael Corcoran init_child(dev_info_t *child)
373b72d5b75SMichael Corcoran {
374b72d5b75SMichael Corcoran 	char name[MAXNAMELEN];
375b72d5b75SMichael Corcoran 
376b72d5b75SMichael Corcoran 	(void) name_child(child, name, MAXNAMELEN);
377b72d5b75SMichael Corcoran 	ddi_set_name_addr(child, name);
378b72d5b75SMichael Corcoran 	if ((ndi_dev_is_persistent_node(child) == 0) &&
379b72d5b75SMichael Corcoran 	    (ndi_merge_node(child, name_child) == DDI_SUCCESS)) {
380b72d5b75SMichael Corcoran 		impl_ddi_sunbus_removechild(child);
381b72d5b75SMichael Corcoran 		return (DDI_FAILURE);
382b72d5b75SMichael Corcoran 	}
383b72d5b75SMichael Corcoran 
384b72d5b75SMichael Corcoran 	return (DDI_SUCCESS);
385b72d5b75SMichael Corcoran }
386b72d5b75SMichael Corcoran 
387b72d5b75SMichael Corcoran /*
388b72d5b75SMichael Corcoran  * Control ops entry point:
389b72d5b75SMichael Corcoran  *
390b72d5b75SMichael Corcoran  * Requests handled completely:
391b72d5b75SMichael Corcoran  *      DDI_CTLOPS_INITCHILD
392b72d5b75SMichael Corcoran  *      DDI_CTLOPS_UNINITCHILD
393b72d5b75SMichael Corcoran  * All others are passed to the parent.
394b72d5b75SMichael Corcoran  */
395b72d5b75SMichael Corcoran static int
acpinex_ctlops(dev_info_t * dip,dev_info_t * rdip,ddi_ctl_enum_t op,void * arg,void * result)396b72d5b75SMichael Corcoran acpinex_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_ctl_enum_t op, void *arg,
397b72d5b75SMichael Corcoran     void *result)
398b72d5b75SMichael Corcoran {
399b72d5b75SMichael Corcoran 	int rval = DDI_SUCCESS;
400b72d5b75SMichael Corcoran 
401b72d5b75SMichael Corcoran 	switch (op) {
402b72d5b75SMichael Corcoran 	case DDI_CTLOPS_INITCHILD:
403b72d5b75SMichael Corcoran 		rval = init_child((dev_info_t *)arg);
404b72d5b75SMichael Corcoran 		break;
405b72d5b75SMichael Corcoran 
406b72d5b75SMichael Corcoran 	case DDI_CTLOPS_UNINITCHILD:
407b72d5b75SMichael Corcoran 		impl_ddi_sunbus_removechild((dev_info_t *)arg);
408b72d5b75SMichael Corcoran 		break;
409b72d5b75SMichael Corcoran 
410b72d5b75SMichael Corcoran 	case DDI_CTLOPS_REPORTDEV: {
411b72d5b75SMichael Corcoran 		if (rdip == (dev_info_t *)0)
412b72d5b75SMichael Corcoran 			return (DDI_FAILURE);
413b72d5b75SMichael Corcoran 		cmn_err(CE_CONT, "?acpinex: %s@%s, %s%d\n",
414b72d5b75SMichael Corcoran 		    ddi_node_name(rdip), ddi_get_name_addr(rdip),
415b72d5b75SMichael Corcoran 		    ddi_driver_name(rdip), ddi_get_instance(rdip));
416b72d5b75SMichael Corcoran 		break;
417b72d5b75SMichael Corcoran 	}
418b72d5b75SMichael Corcoran 
419b72d5b75SMichael Corcoran 	default:
420b72d5b75SMichael Corcoran 		rval = ddi_ctlops(dip, rdip, op, arg, result);
421b72d5b75SMichael Corcoran 		break;
422b72d5b75SMichael Corcoran 	}
423b72d5b75SMichael Corcoran 
424b72d5b75SMichael Corcoran 	return (rval);
425b72d5b75SMichael Corcoran }
426b72d5b75SMichael Corcoran 
427b72d5b75SMichael Corcoran /* ARGSUSED */
428b72d5b75SMichael Corcoran static int
acpinex_bus_map(dev_info_t * dip,dev_info_t * rdip,ddi_map_req_t * mp,off_t offset,off_t len,caddr_t * vaddrp)429b72d5b75SMichael Corcoran acpinex_bus_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp,
430b72d5b75SMichael Corcoran     off_t offset, off_t len, caddr_t *vaddrp)
431b72d5b75SMichael Corcoran {
432b72d5b75SMichael Corcoran 	ACPINEX_DEBUG(CE_WARN,
433a3114836SGerry Liu 	    "!acpinex: acpinex_bus_map called and it's unimplemented.");
434b72d5b75SMichael Corcoran 	return (DDI_ME_UNIMPLEMENTED);
435b72d5b75SMichael Corcoran }
436b72d5b75SMichael Corcoran 
437b72d5b75SMichael Corcoran static int
acpinex_open(dev_t * devi,int flags,int otyp,cred_t * credp)438b72d5b75SMichael Corcoran acpinex_open(dev_t *devi, int flags, int otyp, cred_t *credp)
439b72d5b75SMichael Corcoran {
440a3114836SGerry Liu 	_NOTE(ARGUNUSED(flags, otyp, credp));
441a3114836SGerry Liu 
442b72d5b75SMichael Corcoran 	minor_t minor, instance;
443b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp;
444b72d5b75SMichael Corcoran 
445b72d5b75SMichael Corcoran 	minor = getminor(*devi);
446b72d5b75SMichael Corcoran 	instance = ACPINEX_GET_INSTANCE(minor);
447b72d5b75SMichael Corcoran 	if (instance >= ACPINEX_INSTANCE_MAX) {
448a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: instance number %d out of "
449b72d5b75SMichael Corcoran 		    "range in acpinex_open, max %d.",
450b72d5b75SMichael Corcoran 		    instance, ACPINEX_INSTANCE_MAX - 1);
451b72d5b75SMichael Corcoran 		return (EINVAL);
452b72d5b75SMichael Corcoran 	}
453b72d5b75SMichael Corcoran 
454b72d5b75SMichael Corcoran 	softsp = ddi_get_soft_state(acpinex_softstates, instance);
455b72d5b75SMichael Corcoran 	if (softsp == NULL) {
456a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: failed to get soft state "
457b72d5b75SMichael Corcoran 		    "object for instance %d in acpinex_open().", instance);
458b72d5b75SMichael Corcoran 		return (EINVAL);
459b72d5b75SMichael Corcoran 	}
460b72d5b75SMichael Corcoran 
461b72d5b75SMichael Corcoran 	if (ACPINEX_IS_DEVCTL(minor)) {
462b72d5b75SMichael Corcoran 		return (0);
463b72d5b75SMichael Corcoran 	} else {
464b72d5b75SMichael Corcoran 		ACPINEX_DEBUG(CE_WARN,
465a3114836SGerry Liu 		    "!acpinex: invalid minor number %d in acpinex_open().",
466b72d5b75SMichael Corcoran 		    minor);
467b72d5b75SMichael Corcoran 		return (EINVAL);
468b72d5b75SMichael Corcoran 	}
469b72d5b75SMichael Corcoran }
470b72d5b75SMichael Corcoran 
471b72d5b75SMichael Corcoran static int
acpinex_close(dev_t dev,int flags,int otyp,cred_t * credp)472b72d5b75SMichael Corcoran acpinex_close(dev_t dev, int flags, int otyp, cred_t *credp)
473b72d5b75SMichael Corcoran {
474a3114836SGerry Liu 	_NOTE(ARGUNUSED(flags, otyp, credp));
475a3114836SGerry Liu 
476b72d5b75SMichael Corcoran 	minor_t minor, instance;
477b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp;
478b72d5b75SMichael Corcoran 
479b72d5b75SMichael Corcoran 	minor = getminor(dev);
480b72d5b75SMichael Corcoran 	instance = ACPINEX_GET_INSTANCE(minor);
481b72d5b75SMichael Corcoran 	if (instance >= ACPINEX_INSTANCE_MAX) {
482a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: instance number %d out of "
483b72d5b75SMichael Corcoran 		    "range in acpinex_close(), max %d.",
484b72d5b75SMichael Corcoran 		    instance, ACPINEX_INSTANCE_MAX - 1);
485b72d5b75SMichael Corcoran 		return (EINVAL);
486b72d5b75SMichael Corcoran 	}
487b72d5b75SMichael Corcoran 
488b72d5b75SMichael Corcoran 	softsp = ddi_get_soft_state(acpinex_softstates, instance);
489b72d5b75SMichael Corcoran 	if (softsp == NULL) {
490a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: failed to get soft state "
491b72d5b75SMichael Corcoran 		    "object for instance %d in acpinex_close().", instance);
492b72d5b75SMichael Corcoran 		return (EINVAL);
493b72d5b75SMichael Corcoran 	}
494b72d5b75SMichael Corcoran 
495b72d5b75SMichael Corcoran 	if (ACPINEX_IS_DEVCTL(minor)) {
496b72d5b75SMichael Corcoran 		return (0);
497b72d5b75SMichael Corcoran 	} else {
498b72d5b75SMichael Corcoran 		ACPINEX_DEBUG(CE_WARN,
499a3114836SGerry Liu 		    "!acpinex: invalid minor number %d in acpinex_close().",
500b72d5b75SMichael Corcoran 		    minor);
501b72d5b75SMichael Corcoran 		return (EINVAL);
502b72d5b75SMichael Corcoran 	}
503b72d5b75SMichael Corcoran }
504b72d5b75SMichael Corcoran 
505b72d5b75SMichael Corcoran static int
acpinex_ioctl(dev_t dev,int cmd,intptr_t arg,int mode,cred_t * credp,int * rvalp)506b72d5b75SMichael Corcoran acpinex_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
507b72d5b75SMichael Corcoran     int *rvalp)
508b72d5b75SMichael Corcoran {
509a3114836SGerry Liu 	_NOTE(ARGUNUSED(cmd, arg, mode, credp, rvalp));
510a3114836SGerry Liu 
511b72d5b75SMichael Corcoran 	int rv = 0;
512b72d5b75SMichael Corcoran 	minor_t minor, instance;
513b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp;
514b72d5b75SMichael Corcoran 
515b72d5b75SMichael Corcoran 	minor = getminor(dev);
516b72d5b75SMichael Corcoran 	instance = ACPINEX_GET_INSTANCE(minor);
517b72d5b75SMichael Corcoran 	if (instance >= ACPINEX_INSTANCE_MAX) {
518a3114836SGerry Liu 		ACPINEX_DEBUG(CE_NOTE, "!acpinex: instance number %d out of "
519b72d5b75SMichael Corcoran 		    "range in acpinex_ioctl(), max %d.",
520b72d5b75SMichael Corcoran 		    instance, ACPINEX_INSTANCE_MAX - 1);
521b72d5b75SMichael Corcoran 		return (EINVAL);
522b72d5b75SMichael Corcoran 	}
523b72d5b75SMichael Corcoran 	softsp = ddi_get_soft_state(acpinex_softstates, instance);
524b72d5b75SMichael Corcoran 	if (softsp == NULL) {
525a3114836SGerry Liu 		ACPINEX_DEBUG(CE_WARN, "!acpinex: failed to get soft state "
526b72d5b75SMichael Corcoran 		    "object for instance %d in acpinex_ioctl().", instance);
527b72d5b75SMichael Corcoran 		return (EINVAL);
528b72d5b75SMichael Corcoran 	}
529b72d5b75SMichael Corcoran 
530b72d5b75SMichael Corcoran 	rv = ENOTSUP;
531b72d5b75SMichael Corcoran 	ACPINEX_DEBUG(CE_WARN,
532a3114836SGerry Liu 	    "!acpinex: invalid minor number %d in acpinex_ioctl().", minor);
533b72d5b75SMichael Corcoran 
534b72d5b75SMichael Corcoran 	return (rv);
535b72d5b75SMichael Corcoran }
536b72d5b75SMichael Corcoran 
537b72d5b75SMichael Corcoran /*
538b72d5b75SMichael Corcoran  * FMA error callback.
539b72d5b75SMichael Corcoran  * Register error handling callback with our parent. We will just call
540b72d5b75SMichael Corcoran  * our children's error callbacks and return their status.
541b72d5b75SMichael Corcoran  */
542b72d5b75SMichael Corcoran static int
acpinex_err_callback(dev_info_t * dip,ddi_fm_error_t * derr,const void * impl_data)543b72d5b75SMichael Corcoran acpinex_err_callback(dev_info_t *dip, ddi_fm_error_t *derr,
544b72d5b75SMichael Corcoran     const void *impl_data)
545b72d5b75SMichael Corcoran {
546a3114836SGerry Liu 	_NOTE(ARGUNUSED(impl_data));
547a3114836SGerry Liu 
548b72d5b75SMichael Corcoran 	/* Call our childrens error handlers */
549b72d5b75SMichael Corcoran 	return (ndi_fm_handler_dispatch(dip, NULL, derr));
550b72d5b75SMichael Corcoran }
551b72d5b75SMichael Corcoran 
552b72d5b75SMichael Corcoran /*
553b72d5b75SMichael Corcoran  * Initialize our FMA resources
554b72d5b75SMichael Corcoran  */
555b72d5b75SMichael Corcoran static void
acpinex_fm_init(acpinex_softstate_t * softsp)556b72d5b75SMichael Corcoran acpinex_fm_init(acpinex_softstate_t *softsp)
557b72d5b75SMichael Corcoran {
558b72d5b75SMichael Corcoran 	softsp->ans_fm_cap = DDI_FM_EREPORT_CAPABLE | DDI_FM_ERRCB_CAPABLE |
559b72d5b75SMichael Corcoran 	    DDI_FM_ACCCHK_CAPABLE | DDI_FM_DMACHK_CAPABLE;
560b72d5b75SMichael Corcoran 
561b72d5b75SMichael Corcoran 	/*
562b72d5b75SMichael Corcoran 	 * Request our capability level and get our parent's capability and ibc.
563b72d5b75SMichael Corcoran 	 */
564b72d5b75SMichael Corcoran 	ddi_fm_init(softsp->ans_dip, &softsp->ans_fm_cap, &softsp->ans_fm_ibc);
565b72d5b75SMichael Corcoran 	if (softsp->ans_fm_cap & DDI_FM_ERRCB_CAPABLE) {
566b72d5b75SMichael Corcoran 		/*
567b72d5b75SMichael Corcoran 		 * Register error callback with our parent if supported.
568b72d5b75SMichael Corcoran 		 */
569b72d5b75SMichael Corcoran 		ddi_fm_handler_register(softsp->ans_dip, acpinex_err_callback,
570b72d5b75SMichael Corcoran 		    softsp);
571b72d5b75SMichael Corcoran 	}
572b72d5b75SMichael Corcoran }
573b72d5b75SMichael Corcoran 
574b72d5b75SMichael Corcoran /*
575b72d5b75SMichael Corcoran  * Breakdown our FMA resources
576b72d5b75SMichael Corcoran  */
577b72d5b75SMichael Corcoran static void
acpinex_fm_fini(acpinex_softstate_t * softsp)578b72d5b75SMichael Corcoran acpinex_fm_fini(acpinex_softstate_t *softsp)
579b72d5b75SMichael Corcoran {
580b72d5b75SMichael Corcoran 	/* Clean up allocated fm structures */
581b72d5b75SMichael Corcoran 	if (softsp->ans_fm_cap & DDI_FM_ERRCB_CAPABLE) {
582b72d5b75SMichael Corcoran 		ddi_fm_handler_unregister(softsp->ans_dip);
583b72d5b75SMichael Corcoran 	}
584b72d5b75SMichael Corcoran 	ddi_fm_fini(softsp->ans_dip);
585b72d5b75SMichael Corcoran }
586b72d5b75SMichael Corcoran 
587b72d5b75SMichael Corcoran /*
588b72d5b75SMichael Corcoran  * Initialize FMA resources for child devices.
589b72d5b75SMichael Corcoran  * Called when child calls ddi_fm_init().
590b72d5b75SMichael Corcoran  */
591b72d5b75SMichael Corcoran static int
acpinex_fm_init_child(dev_info_t * dip,dev_info_t * tdip,int cap,ddi_iblock_cookie_t * ibc)592b72d5b75SMichael Corcoran acpinex_fm_init_child(dev_info_t *dip, dev_info_t *tdip, int cap,
593b72d5b75SMichael Corcoran     ddi_iblock_cookie_t *ibc)
594b72d5b75SMichael Corcoran {
595a3114836SGerry Liu 	_NOTE(ARGUNUSED(tdip, cap));
596a3114836SGerry Liu 
597b72d5b75SMichael Corcoran 	acpinex_softstate_t *softsp = ddi_get_soft_state(acpinex_softstates,
598b72d5b75SMichael Corcoran 	    ddi_get_instance(dip));
599b72d5b75SMichael Corcoran 
600b72d5b75SMichael Corcoran 	*ibc = softsp->ans_fm_ibc;
601b72d5b75SMichael Corcoran 
602b72d5b75SMichael Corcoran 	return (softsp->ans_fm_cap);
603b72d5b75SMichael Corcoran }
604