17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*77e51571Sgongtian zhao - Sun Microsystems - Beijing China  * Common Development and Distribution License (the "License").
6*77e51571Sgongtian zhao - Sun Microsystems - Beijing China  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  *
21*77e51571Sgongtian zhao - Sun Microsystems - Beijing China  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
227c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
237c478bd9Sstevel@tonic-gate  */
247c478bd9Sstevel@tonic-gate 
257c478bd9Sstevel@tonic-gate 
267c478bd9Sstevel@tonic-gate /*
277c478bd9Sstevel@tonic-gate  * UGEN: USB Generic Driver
287c478bd9Sstevel@tonic-gate  *
297c478bd9Sstevel@tonic-gate  * The "Universal Generic Driver"  (UGEN) for USB devices provides interfaces
307c478bd9Sstevel@tonic-gate  * to  talk to	USB  devices.  This is	very  useful for  Point of Sale sale
317c478bd9Sstevel@tonic-gate  * devices and other simple  devices like  USB	scanner, USB palm  pilot.
327c478bd9Sstevel@tonic-gate  * The UGEN provides a system call interface to USB  devices  enabling
337c478bd9Sstevel@tonic-gate  * a USB device vendor to  write an  application for his
347c478bd9Sstevel@tonic-gate  * device instead of  writing a driver. This facilitates the vendor to write
357c478bd9Sstevel@tonic-gate  * device management s/w quickly in userland.
367c478bd9Sstevel@tonic-gate  *
377c478bd9Sstevel@tonic-gate  * UGEN supports read/write/poll entry points. An application can be written
387c478bd9Sstevel@tonic-gate  * using  read/write/aioread/aiowrite/poll  system calls to communicate
397c478bd9Sstevel@tonic-gate  * with the device.
407c478bd9Sstevel@tonic-gate  */
417c478bd9Sstevel@tonic-gate #include <sys/usb/usba/usbai_version.h>
427c478bd9Sstevel@tonic-gate #include <sys/usb/usba.h>
437c478bd9Sstevel@tonic-gate #include <sys/usb/usba/usba_ugen.h>
447c478bd9Sstevel@tonic-gate #include <sys/usb/clients/ugen/ugend.h>
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate /* Global variables */
477c478bd9Sstevel@tonic-gate static void	*ugen_skel_statep;
487c478bd9Sstevel@tonic-gate 
497c478bd9Sstevel@tonic-gate /* Prototypes declarations for the entry points */
507c478bd9Sstevel@tonic-gate static int	ugen_skel_getinfo(dev_info_t *, ddi_info_cmd_t,
517c478bd9Sstevel@tonic-gate 						void *, void **);
527c478bd9Sstevel@tonic-gate static int	ugen_skel_open(dev_t *, int, int, cred_t *);
537c478bd9Sstevel@tonic-gate static int	ugen_skel_close(dev_t, int, int, cred_t *);
547c478bd9Sstevel@tonic-gate static int	ugen_skel_attach(dev_info_t *, ddi_attach_cmd_t);
557c478bd9Sstevel@tonic-gate static int	ugen_skel_detach(dev_info_t *, ddi_detach_cmd_t);
567c478bd9Sstevel@tonic-gate static int	ugen_skel_power(dev_info_t *, int, int);
577c478bd9Sstevel@tonic-gate static int	ugen_skel_strategy(struct buf *);
587c478bd9Sstevel@tonic-gate static int	ugen_skel_read(dev_t, struct uio *, cred_t *);
597c478bd9Sstevel@tonic-gate static int	ugen_skel_write(dev_t, struct uio *, cred_t *);
607c478bd9Sstevel@tonic-gate static int	ugen_skel_poll(dev_t, short, int,  short *,
617c478bd9Sstevel@tonic-gate 						struct pollhead **);
627c478bd9Sstevel@tonic-gate 
637c478bd9Sstevel@tonic-gate static int	ugen_skel_disconnect_ev_cb(dev_info_t *);
647c478bd9Sstevel@tonic-gate static int	ugen_skel_reconnect_ev_cb(dev_info_t *);
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate /* event support */
677c478bd9Sstevel@tonic-gate static usb_event_t ugen_skel_events = {
687c478bd9Sstevel@tonic-gate 	ugen_skel_disconnect_ev_cb,
697c478bd9Sstevel@tonic-gate 	ugen_skel_reconnect_ev_cb,
707c478bd9Sstevel@tonic-gate 	NULL, NULL
717c478bd9Sstevel@tonic-gate };
727c478bd9Sstevel@tonic-gate 
737c478bd9Sstevel@tonic-gate /* Driver cb_ops structure */
747c478bd9Sstevel@tonic-gate static struct cb_ops ugen_skel_cb_ops = {
757c478bd9Sstevel@tonic-gate 	ugen_skel_open,			/* open */
767c478bd9Sstevel@tonic-gate 	ugen_skel_close,		/* close */
777c478bd9Sstevel@tonic-gate 	nodev,				/* strategy */
787c478bd9Sstevel@tonic-gate 	nodev,				/* print */
797c478bd9Sstevel@tonic-gate 	nodev,				/* dump */
807c478bd9Sstevel@tonic-gate 	ugen_skel_read,			/* read */
817c478bd9Sstevel@tonic-gate 	ugen_skel_write,		/* write */
827c478bd9Sstevel@tonic-gate 	nodev,				/* ioctl */
837c478bd9Sstevel@tonic-gate 	nodev,				/* devmap */
847c478bd9Sstevel@tonic-gate 	nodev,				/* mmap */
857c478bd9Sstevel@tonic-gate 	nodev,				/* segmap */
867c478bd9Sstevel@tonic-gate 	ugen_skel_poll,			/* poll */
877c478bd9Sstevel@tonic-gate 	ddi_prop_op,			/* cb_prop_op */
887c478bd9Sstevel@tonic-gate 	0,				/* streamtab  */
897c478bd9Sstevel@tonic-gate 	D_MP,				/* Driver compatibility flag */
907c478bd9Sstevel@tonic-gate 	CB_REV,				/* revision */
917c478bd9Sstevel@tonic-gate 	nodev,				/* aread */
927c478bd9Sstevel@tonic-gate 	nodev				/* awrite */
937c478bd9Sstevel@tonic-gate };
947c478bd9Sstevel@tonic-gate 
957c478bd9Sstevel@tonic-gate /*
967c478bd9Sstevel@tonic-gate  * Modloading support
977c478bd9Sstevel@tonic-gate  *	driver dev_ops structure
987c478bd9Sstevel@tonic-gate  */
997c478bd9Sstevel@tonic-gate static struct dev_ops ugen_skel_ops = {
1007c478bd9Sstevel@tonic-gate 	DEVO_REV,			/* devo_rev, */
1017c478bd9Sstevel@tonic-gate 	0,				/* refct  */
1027c478bd9Sstevel@tonic-gate 	ugen_skel_getinfo,		/* info */
1037c478bd9Sstevel@tonic-gate 	nulldev,			/* indetify */
1047c478bd9Sstevel@tonic-gate 	nulldev,			/* probe */
1057c478bd9Sstevel@tonic-gate 	ugen_skel_attach,		/* attach */
1067c478bd9Sstevel@tonic-gate 	ugen_skel_detach,		/* detach */
1077c478bd9Sstevel@tonic-gate 	nodev,				/* reset */
1087c478bd9Sstevel@tonic-gate 	&ugen_skel_cb_ops,		/* driver operations */
1097c478bd9Sstevel@tonic-gate 	NULL,				/* bus operations */
1107c478bd9Sstevel@tonic-gate 	ugen_skel_power			/* power */
1117c478bd9Sstevel@tonic-gate };
1127c478bd9Sstevel@tonic-gate 
1137c478bd9Sstevel@tonic-gate static struct modldrv modldrv = {
1147c478bd9Sstevel@tonic-gate 	&mod_driverops,			/* Module type */
115*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	"USB Generic driver",	/* Name of the module. */
1167c478bd9Sstevel@tonic-gate 	&ugen_skel_ops,			/* driver ops */
1177c478bd9Sstevel@tonic-gate };
1187c478bd9Sstevel@tonic-gate 
1197c478bd9Sstevel@tonic-gate static struct modlinkage modlinkage = {
1207c478bd9Sstevel@tonic-gate 	MODREV_1,
1217c478bd9Sstevel@tonic-gate 	(void *)&modldrv,
1227c478bd9Sstevel@tonic-gate 	NULL
1237c478bd9Sstevel@tonic-gate };
1247c478bd9Sstevel@tonic-gate 
1257c478bd9Sstevel@tonic-gate 
1267c478bd9Sstevel@tonic-gate int
1277c478bd9Sstevel@tonic-gate _init()
1287c478bd9Sstevel@tonic-gate {
1297c478bd9Sstevel@tonic-gate 	int	rval;
1307c478bd9Sstevel@tonic-gate 
1317c478bd9Sstevel@tonic-gate 	if ((rval = ddi_soft_state_init(&ugen_skel_statep,
132*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    sizeof (ugen_skel_state_t), UGEN_INSTANCES)) != 0) {
1337c478bd9Sstevel@tonic-gate 
1347c478bd9Sstevel@tonic-gate 		return (rval);
1357c478bd9Sstevel@tonic-gate 	}
1367c478bd9Sstevel@tonic-gate 
1377c478bd9Sstevel@tonic-gate 	if ((rval = mod_install(&modlinkage)) != 0) {
1387c478bd9Sstevel@tonic-gate 		ddi_soft_state_fini(&ugen_skel_statep);
1397c478bd9Sstevel@tonic-gate 
1407c478bd9Sstevel@tonic-gate 		return (rval);
1417c478bd9Sstevel@tonic-gate 	}
1427c478bd9Sstevel@tonic-gate 
1437c478bd9Sstevel@tonic-gate 	return (rval);
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate 
1467c478bd9Sstevel@tonic-gate 
1477c478bd9Sstevel@tonic-gate int
1487c478bd9Sstevel@tonic-gate _fini()
1497c478bd9Sstevel@tonic-gate {
1507c478bd9Sstevel@tonic-gate 	int rval;
1517c478bd9Sstevel@tonic-gate 
1527c478bd9Sstevel@tonic-gate 	if ((rval = mod_remove(&modlinkage)) != 0) {
1537c478bd9Sstevel@tonic-gate 
1547c478bd9Sstevel@tonic-gate 		return (rval);
1557c478bd9Sstevel@tonic-gate 	}
1567c478bd9Sstevel@tonic-gate 	ddi_soft_state_fini(&ugen_skel_statep);
1577c478bd9Sstevel@tonic-gate 
1587c478bd9Sstevel@tonic-gate 	return (rval);
1597c478bd9Sstevel@tonic-gate }
1607c478bd9Sstevel@tonic-gate 
1617c478bd9Sstevel@tonic-gate 
1627c478bd9Sstevel@tonic-gate int
1637c478bd9Sstevel@tonic-gate _info(struct modinfo *modinfop)
1647c478bd9Sstevel@tonic-gate {
1657c478bd9Sstevel@tonic-gate 	return (mod_info(&modlinkage, modinfop));
1667c478bd9Sstevel@tonic-gate }
1677c478bd9Sstevel@tonic-gate 
1687c478bd9Sstevel@tonic-gate 
1697c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1707c478bd9Sstevel@tonic-gate static int
1717c478bd9Sstevel@tonic-gate ugen_skel_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg,
1727c478bd9Sstevel@tonic-gate     void **result)
1737c478bd9Sstevel@tonic-gate {
1747c478bd9Sstevel@tonic-gate 	int		rval = DDI_FAILURE;
1757c478bd9Sstevel@tonic-gate 	int		instance =
176*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    UGEN_MINOR_TO_INSTANCE(getminor((dev_t)arg));
1777c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp;
1787c478bd9Sstevel@tonic-gate 
1797c478bd9Sstevel@tonic-gate 	switch (infocmd) {
1807c478bd9Sstevel@tonic-gate 	case DDI_INFO_DEVT2DEVINFO:
1817c478bd9Sstevel@tonic-gate 		ugen_skelp = ddi_get_soft_state(ugen_skel_statep, instance);
1827c478bd9Sstevel@tonic-gate 		if (ugen_skelp != NULL) {
1837c478bd9Sstevel@tonic-gate 			*result = ugen_skelp->ugen_skel_dip;
1847c478bd9Sstevel@tonic-gate 			if (*result != NULL) {
1857c478bd9Sstevel@tonic-gate 				rval = DDI_SUCCESS;
1867c478bd9Sstevel@tonic-gate 			}
1877c478bd9Sstevel@tonic-gate 		} else {
1887c478bd9Sstevel@tonic-gate 			*result = NULL;
1897c478bd9Sstevel@tonic-gate 		}
1907c478bd9Sstevel@tonic-gate 
1917c478bd9Sstevel@tonic-gate 		break;
1927c478bd9Sstevel@tonic-gate 	case DDI_INFO_DEVT2INSTANCE:
1937c478bd9Sstevel@tonic-gate 		*result = (void *)(uintptr_t)instance;
1947c478bd9Sstevel@tonic-gate 		rval = DDI_SUCCESS;
1957c478bd9Sstevel@tonic-gate 
1967c478bd9Sstevel@tonic-gate 		break;
1977c478bd9Sstevel@tonic-gate 	default:
1987c478bd9Sstevel@tonic-gate 
1997c478bd9Sstevel@tonic-gate 		break;
2007c478bd9Sstevel@tonic-gate 	}
2017c478bd9Sstevel@tonic-gate 
2027c478bd9Sstevel@tonic-gate 	return (rval);
2037c478bd9Sstevel@tonic-gate }
2047c478bd9Sstevel@tonic-gate 
2057c478bd9Sstevel@tonic-gate 
2067c478bd9Sstevel@tonic-gate /*
2077c478bd9Sstevel@tonic-gate  * ugen_skel_attach()
2087c478bd9Sstevel@tonic-gate  */
2097c478bd9Sstevel@tonic-gate static int
2107c478bd9Sstevel@tonic-gate ugen_skel_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
2117c478bd9Sstevel@tonic-gate {
2127c478bd9Sstevel@tonic-gate 	ugen_skel_state_t	*ugen_skelp;
2137c478bd9Sstevel@tonic-gate 	int			instance;	/* Driver instance number */
2147c478bd9Sstevel@tonic-gate 	int			rval;
2157c478bd9Sstevel@tonic-gate 	usb_ugen_info_t		usb_ugen_info;
2167c478bd9Sstevel@tonic-gate 
2177c478bd9Sstevel@tonic-gate 	/* Get instance number */
2187c478bd9Sstevel@tonic-gate 	instance = ddi_get_instance(dip);
2197c478bd9Sstevel@tonic-gate 
2207c478bd9Sstevel@tonic-gate 	switch (cmd) {
2217c478bd9Sstevel@tonic-gate 	case DDI_ATTACH:
2227c478bd9Sstevel@tonic-gate 
2237c478bd9Sstevel@tonic-gate 		break;
2247c478bd9Sstevel@tonic-gate 	case DDI_RESUME:
2257c478bd9Sstevel@tonic-gate 		ugen_skelp = ddi_get_soft_state(ugen_skel_statep, instance);
2267c478bd9Sstevel@tonic-gate 		if (ugen_skelp == NULL) {
2277c478bd9Sstevel@tonic-gate 
2287c478bd9Sstevel@tonic-gate 			return (DDI_FAILURE);
2297c478bd9Sstevel@tonic-gate 		}
2307c478bd9Sstevel@tonic-gate 
2317c478bd9Sstevel@tonic-gate 		rval = usb_ugen_attach(ugen_skelp->ugen_skel_hdl, cmd);
2327c478bd9Sstevel@tonic-gate 
2337c478bd9Sstevel@tonic-gate 		return (rval == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
2347c478bd9Sstevel@tonic-gate 	default:
2357c478bd9Sstevel@tonic-gate 
2367c478bd9Sstevel@tonic-gate 		return (DDI_FAILURE);
2377c478bd9Sstevel@tonic-gate 	}
2387c478bd9Sstevel@tonic-gate 
2397c478bd9Sstevel@tonic-gate 	if (ddi_soft_state_zalloc(ugen_skel_statep, instance) ==
2407c478bd9Sstevel@tonic-gate 	    DDI_SUCCESS) {
2417c478bd9Sstevel@tonic-gate 		ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
242*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 		    instance);
2437c478bd9Sstevel@tonic-gate 	}
2447c478bd9Sstevel@tonic-gate 	if (ugen_skelp == NULL) {
2457c478bd9Sstevel@tonic-gate 
2467c478bd9Sstevel@tonic-gate 		return (DDI_FAILURE);
2477c478bd9Sstevel@tonic-gate 	}
2487c478bd9Sstevel@tonic-gate 
2497c478bd9Sstevel@tonic-gate 	if ((rval = usb_client_attach(dip, USBDRV_VERSION, 0)) !=
2507c478bd9Sstevel@tonic-gate 	    USB_SUCCESS) {
2517c478bd9Sstevel@tonic-gate 
2527c478bd9Sstevel@tonic-gate 		goto fail;
2537c478bd9Sstevel@tonic-gate 	}
2547c478bd9Sstevel@tonic-gate 
2557c478bd9Sstevel@tonic-gate 	ugen_skelp->ugen_skel_dip	= dip;
2567c478bd9Sstevel@tonic-gate 	ugen_skelp->ugen_skel_instance	= instance;
2577c478bd9Sstevel@tonic-gate 
2587c478bd9Sstevel@tonic-gate 	/* get a ugen handle */
2597c478bd9Sstevel@tonic-gate 	bzero(&usb_ugen_info, sizeof (usb_ugen_info));
2607c478bd9Sstevel@tonic-gate 	usb_ugen_info.usb_ugen_flags =
261*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    USB_UGEN_ENABLE_PM | USB_UGEN_REMOVE_CHILDREN;
2627c478bd9Sstevel@tonic-gate 	usb_ugen_info.usb_ugen_minor_node_ugen_bits_mask =
263*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    (dev_t)UGEN_MINOR_UGEN_BITS_MASK;
2647c478bd9Sstevel@tonic-gate 	usb_ugen_info.usb_ugen_minor_node_instance_mask =
265*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    (dev_t)~UGEN_MINOR_UGEN_BITS_MASK;
2667c478bd9Sstevel@tonic-gate 	ugen_skelp->ugen_skel_hdl = usb_ugen_get_hdl(dip,
267*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    &usb_ugen_info);
2687c478bd9Sstevel@tonic-gate 
2697c478bd9Sstevel@tonic-gate 	if (usb_ugen_attach(ugen_skelp->ugen_skel_hdl, cmd) != USB_SUCCESS) {
2707c478bd9Sstevel@tonic-gate 
271*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 		goto fail;
2727c478bd9Sstevel@tonic-gate 	}
2737c478bd9Sstevel@tonic-gate 
2747c478bd9Sstevel@tonic-gate 	/* register for hotplug events */
2757c478bd9Sstevel@tonic-gate 	if (usb_register_event_cbs(dip, &ugen_skel_events, 0) != USB_SUCCESS) {
2767c478bd9Sstevel@tonic-gate 
277*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 		goto fail;
2787c478bd9Sstevel@tonic-gate 	}
2797c478bd9Sstevel@tonic-gate 
2807c478bd9Sstevel@tonic-gate 	ddi_report_dev(dip);
2817c478bd9Sstevel@tonic-gate 
2827c478bd9Sstevel@tonic-gate 	return (DDI_SUCCESS);
2837c478bd9Sstevel@tonic-gate 
2847c478bd9Sstevel@tonic-gate fail:
2857c478bd9Sstevel@tonic-gate 	if (ugen_skelp) {
2867c478bd9Sstevel@tonic-gate 		usb_unregister_event_cbs(dip, &ugen_skel_events);
2877c478bd9Sstevel@tonic-gate 		usb_ugen_release_hdl(ugen_skelp->
288*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 		    ugen_skel_hdl);
2897c478bd9Sstevel@tonic-gate 		ddi_soft_state_free(ugen_skel_statep,
290*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 		    ugen_skelp->ugen_skel_instance);
2917c478bd9Sstevel@tonic-gate 		usb_client_detach(dip, NULL);
2927c478bd9Sstevel@tonic-gate 	}
2937c478bd9Sstevel@tonic-gate 
2947c478bd9Sstevel@tonic-gate 	return (DDI_FAILURE);
2957c478bd9Sstevel@tonic-gate }
2967c478bd9Sstevel@tonic-gate 
2977c478bd9Sstevel@tonic-gate 
2987c478bd9Sstevel@tonic-gate /*
2997c478bd9Sstevel@tonic-gate  * ugen_skel_detach()
3007c478bd9Sstevel@tonic-gate  */
3017c478bd9Sstevel@tonic-gate static int
3027c478bd9Sstevel@tonic-gate ugen_skel_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
3037c478bd9Sstevel@tonic-gate {
3047c478bd9Sstevel@tonic-gate 	int		rval = USB_FAILURE;
3057c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
306*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    ddi_get_instance(dip));
3077c478bd9Sstevel@tonic-gate 
3087c478bd9Sstevel@tonic-gate 	if (ugen_skelp) {
3097c478bd9Sstevel@tonic-gate 		switch (cmd) {
3107c478bd9Sstevel@tonic-gate 		case DDI_DETACH:
3117c478bd9Sstevel@tonic-gate 			rval = usb_ugen_detach(ugen_skelp->ugen_skel_hdl, cmd);
3127c478bd9Sstevel@tonic-gate 			if (rval == USB_SUCCESS) {
3137c478bd9Sstevel@tonic-gate 				usb_unregister_event_cbs(dip,
314*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 				    &ugen_skel_events);
3157c478bd9Sstevel@tonic-gate 				usb_ugen_release_hdl(ugen_skelp->
316*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 				    ugen_skel_hdl);
3177c478bd9Sstevel@tonic-gate 				ddi_soft_state_free(ugen_skel_statep,
3187c478bd9Sstevel@tonic-gate 				    ugen_skelp->ugen_skel_instance);
3197c478bd9Sstevel@tonic-gate 				usb_client_detach(dip, NULL);
3207c478bd9Sstevel@tonic-gate 			}
3217c478bd9Sstevel@tonic-gate 
3227c478bd9Sstevel@tonic-gate 			break;
3237c478bd9Sstevel@tonic-gate 		case DDI_SUSPEND:
3247c478bd9Sstevel@tonic-gate 			rval = usb_ugen_detach(ugen_skelp->ugen_skel_hdl, cmd);
3257c478bd9Sstevel@tonic-gate 
3267c478bd9Sstevel@tonic-gate 			break;
3277c478bd9Sstevel@tonic-gate 		default:
3287c478bd9Sstevel@tonic-gate 
3297c478bd9Sstevel@tonic-gate 			break;
3307c478bd9Sstevel@tonic-gate 		}
3317c478bd9Sstevel@tonic-gate 	}
3327c478bd9Sstevel@tonic-gate 
3337c478bd9Sstevel@tonic-gate 	return (rval == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
3347c478bd9Sstevel@tonic-gate }
3357c478bd9Sstevel@tonic-gate 
3367c478bd9Sstevel@tonic-gate 
3377c478bd9Sstevel@tonic-gate /*
3387c478bd9Sstevel@tonic-gate  * ugen_skel_disconnect_ev_cb:
3397c478bd9Sstevel@tonic-gate  */
3407c478bd9Sstevel@tonic-gate static int
3417c478bd9Sstevel@tonic-gate ugen_skel_disconnect_ev_cb(dev_info_t *dip)
3427c478bd9Sstevel@tonic-gate {
3437c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
344*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    ddi_get_instance(dip));
3457c478bd9Sstevel@tonic-gate 
3467c478bd9Sstevel@tonic-gate 	return (usb_ugen_disconnect_ev_cb(ugen_skelp->ugen_skel_hdl));
3477c478bd9Sstevel@tonic-gate }
3487c478bd9Sstevel@tonic-gate 
3497c478bd9Sstevel@tonic-gate 
3507c478bd9Sstevel@tonic-gate /*
3517c478bd9Sstevel@tonic-gate  * ugen_skel_reconnect_ev_cb:
3527c478bd9Sstevel@tonic-gate  */
3537c478bd9Sstevel@tonic-gate static int
3547c478bd9Sstevel@tonic-gate ugen_skel_reconnect_ev_cb(dev_info_t *dip)
3557c478bd9Sstevel@tonic-gate {
3567c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
357*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    ddi_get_instance(dip));
3587c478bd9Sstevel@tonic-gate 
3597c478bd9Sstevel@tonic-gate 	return (usb_ugen_reconnect_ev_cb(ugen_skelp->ugen_skel_hdl));
3607c478bd9Sstevel@tonic-gate }
3617c478bd9Sstevel@tonic-gate 
3627c478bd9Sstevel@tonic-gate 
3637c478bd9Sstevel@tonic-gate /*
3647c478bd9Sstevel@tonic-gate  * ugen_skel_open:
3657c478bd9Sstevel@tonic-gate  */
3667c478bd9Sstevel@tonic-gate static int
3677c478bd9Sstevel@tonic-gate ugen_skel_open(dev_t *devp, int flag, int sflag, cred_t *cr)
3687c478bd9Sstevel@tonic-gate {
3697c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp;
3707c478bd9Sstevel@tonic-gate 
3717c478bd9Sstevel@tonic-gate 	if ((ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
3727c478bd9Sstevel@tonic-gate 	    UGEN_MINOR_TO_INSTANCE(getminor(*devp)))) == NULL) {
3737c478bd9Sstevel@tonic-gate 		/* deferred detach */
3747c478bd9Sstevel@tonic-gate 
3757c478bd9Sstevel@tonic-gate 		return (ENXIO);
3767c478bd9Sstevel@tonic-gate 	}
3777c478bd9Sstevel@tonic-gate 
3787c478bd9Sstevel@tonic-gate 	return (usb_ugen_open(ugen_skelp->ugen_skel_hdl, devp, flag,
379*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    sflag, cr));
3807c478bd9Sstevel@tonic-gate }
3817c478bd9Sstevel@tonic-gate 
3827c478bd9Sstevel@tonic-gate 
3837c478bd9Sstevel@tonic-gate /*
3847c478bd9Sstevel@tonic-gate  * ugen_skel_close()
3857c478bd9Sstevel@tonic-gate  */
3867c478bd9Sstevel@tonic-gate static int
3877c478bd9Sstevel@tonic-gate ugen_skel_close(dev_t dev, int flag, int otype, cred_t *cr)
3887c478bd9Sstevel@tonic-gate {
3897c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
390*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    UGEN_MINOR_TO_INSTANCE(getminor(dev)));
3917c478bd9Sstevel@tonic-gate 
3927c478bd9Sstevel@tonic-gate 	return (usb_ugen_close(ugen_skelp->ugen_skel_hdl, dev, flag,
393*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    otype, cr));
3947c478bd9Sstevel@tonic-gate }
3957c478bd9Sstevel@tonic-gate 
3967c478bd9Sstevel@tonic-gate 
3977c478bd9Sstevel@tonic-gate /*
3987c478bd9Sstevel@tonic-gate  * ugen_skel_read/write()
3997c478bd9Sstevel@tonic-gate  */
4007c478bd9Sstevel@tonic-gate static int
4017c478bd9Sstevel@tonic-gate ugen_skel_read(dev_t dev, struct uio *uiop, cred_t *credp)
4027c478bd9Sstevel@tonic-gate {
4037c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
404*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    UGEN_MINOR_TO_INSTANCE(getminor(dev)));
4057c478bd9Sstevel@tonic-gate 	if (ugen_skelp == NULL) {
4067c478bd9Sstevel@tonic-gate 
4077c478bd9Sstevel@tonic-gate 		return (ENXIO);
4087c478bd9Sstevel@tonic-gate 	}
4097c478bd9Sstevel@tonic-gate 
4107c478bd9Sstevel@tonic-gate 	return (usb_ugen_read(ugen_skelp->ugen_skel_hdl, dev,
411*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    uiop, credp));
4127c478bd9Sstevel@tonic-gate }
4137c478bd9Sstevel@tonic-gate 
4147c478bd9Sstevel@tonic-gate 
4157c478bd9Sstevel@tonic-gate static int
4167c478bd9Sstevel@tonic-gate ugen_skel_write(dev_t dev, struct uio *uiop, cred_t *credp)
4177c478bd9Sstevel@tonic-gate {
4187c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
419*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    UGEN_MINOR_TO_INSTANCE(getminor(dev)));
4207c478bd9Sstevel@tonic-gate 	if (ugen_skelp == NULL) {
4217c478bd9Sstevel@tonic-gate 
4227c478bd9Sstevel@tonic-gate 		return (ENXIO);
4237c478bd9Sstevel@tonic-gate 	}
4247c478bd9Sstevel@tonic-gate 	return (usb_ugen_write(ugen_skelp->ugen_skel_hdl,
425*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    dev, uiop, credp));
4267c478bd9Sstevel@tonic-gate }
4277c478bd9Sstevel@tonic-gate 
4287c478bd9Sstevel@tonic-gate 
4297c478bd9Sstevel@tonic-gate /*
4307c478bd9Sstevel@tonic-gate  * ugen_skel_poll
4317c478bd9Sstevel@tonic-gate  */
4327c478bd9Sstevel@tonic-gate static int
4337c478bd9Sstevel@tonic-gate ugen_skel_poll(dev_t dev, short events,
4347c478bd9Sstevel@tonic-gate     int anyyet,  short *reventsp, struct pollhead **phpp)
4357c478bd9Sstevel@tonic-gate {
4367c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
437*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    UGEN_MINOR_TO_INSTANCE(getminor(dev)));
4387c478bd9Sstevel@tonic-gate 	if (ugen_skelp == NULL) {
4397c478bd9Sstevel@tonic-gate 
4407c478bd9Sstevel@tonic-gate 		return (ENXIO);
4417c478bd9Sstevel@tonic-gate 	}
4427c478bd9Sstevel@tonic-gate 
4437c478bd9Sstevel@tonic-gate 	return (usb_ugen_poll(ugen_skelp->ugen_skel_hdl, dev, events,
444*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    anyyet, reventsp, phpp));
4457c478bd9Sstevel@tonic-gate }
4467c478bd9Sstevel@tonic-gate 
4477c478bd9Sstevel@tonic-gate 
4487c478bd9Sstevel@tonic-gate /*
4497c478bd9Sstevel@tonic-gate  * ugen_skel_power:
4507c478bd9Sstevel@tonic-gate  *	PM entry point
4517c478bd9Sstevel@tonic-gate  */
4527c478bd9Sstevel@tonic-gate static int
4537c478bd9Sstevel@tonic-gate ugen_skel_power(dev_info_t *dip, int comp, int level)
4547c478bd9Sstevel@tonic-gate {
4557c478bd9Sstevel@tonic-gate 	int rval;
4567c478bd9Sstevel@tonic-gate 
4577c478bd9Sstevel@tonic-gate 	ugen_skel_state_t *ugen_skelp = ddi_get_soft_state(ugen_skel_statep,
458*77e51571Sgongtian zhao - Sun Microsystems - Beijing China 	    ddi_get_instance(dip));
4597c478bd9Sstevel@tonic-gate 	if (ugen_skelp == NULL) {
4607c478bd9Sstevel@tonic-gate 
4617c478bd9Sstevel@tonic-gate 		return (DDI_FAILURE);
4627c478bd9Sstevel@tonic-gate 	}
4637c478bd9Sstevel@tonic-gate 	rval = usb_ugen_power(ugen_skelp->ugen_skel_hdl, comp, level);
4647c478bd9Sstevel@tonic-gate 
4657c478bd9Sstevel@tonic-gate 	return (rval == USB_SUCCESS ? DDI_SUCCESS : DDI_FAILURE);
4667c478bd9Sstevel@tonic-gate }
467