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ubsa.c revision 1.19.18.1
      1  1.19.18.1       mjf /*	$NetBSD: ubsa.c,v 1.19.18.1 2008/02/18 21:06:25 mjf Exp $	*/
      2        1.1  augustss /*-
      3        1.1  augustss  * Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>.
      4        1.1  augustss  * All rights reserved.
      5        1.1  augustss  *
      6        1.1  augustss  * Redistribution and use in source and binary forms, with or without
      7        1.1  augustss  * modification, are permitted provided that the following conditions
      8        1.1  augustss  * are met:
      9        1.1  augustss  * 1. Redistributions of source code must retain the above copyright
     10        1.1  augustss  *    notice, this list of conditions and the following disclaimer.
     11        1.1  augustss  * 2. Redistributions in binary form must reproduce the above copyright
     12        1.1  augustss  *    notice, this list of conditions and the following disclaimer in the
     13        1.1  augustss  *    documentation and/or other materials provided with the distribution.
     14        1.1  augustss  *
     15        1.1  augustss  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     16        1.1  augustss  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     17        1.1  augustss  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     18        1.1  augustss  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19        1.1  augustss  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20        1.1  augustss  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     21        1.1  augustss  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22        1.1  augustss  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23        1.1  augustss  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24        1.1  augustss  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25        1.1  augustss  * SUCH DAMAGE.
     26        1.1  augustss  */
     27        1.1  augustss /*
     28        1.1  augustss  * Copyright (c) 2001 The NetBSD Foundation, Inc.
     29        1.1  augustss  * All rights reserved.
     30        1.1  augustss  *
     31        1.1  augustss  * This code is derived from software contributed to The NetBSD Foundation
     32        1.1  augustss  * by Ichiro FUKUHARA (ichiro (at) ichiro.org).
     33        1.1  augustss  *
     34        1.1  augustss  * Redistribution and use in source and binary forms, with or without
     35        1.1  augustss  * modification, are permitted provided that the following conditions
     36        1.1  augustss  * are met:
     37        1.1  augustss  * 1. Redistributions of source code must retain the above copyright
     38        1.1  augustss  *    notice, this list of conditions and the following disclaimer.
     39        1.1  augustss  * 2. Redistributions in binary form must reproduce the above copyright
     40        1.1  augustss  *    notice, this list of conditions and the following disclaimer in the
     41        1.1  augustss  *    documentation and/or other materials provided with the distribution.
     42        1.1  augustss  * 3. All advertising materials mentioning features or use of this software
     43        1.1  augustss  *    must display the following acknowledgement:
     44        1.1  augustss  *        This product includes software developed by the NetBSD
     45        1.1  augustss  *        Foundation, Inc. and its contributors.
     46        1.1  augustss  * 4. Neither the name of The NetBSD Foundation nor the names of its
     47        1.1  augustss  *    contributors may be used to endorse or promote products derived
     48        1.1  augustss  *    from this software without specific prior written permission.
     49        1.1  augustss  *
     50        1.1  augustss  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     51        1.1  augustss  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     52        1.1  augustss  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     53        1.1  augustss  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     54        1.1  augustss  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     55        1.1  augustss  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     56        1.1  augustss  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     57        1.1  augustss  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     58        1.1  augustss  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     59        1.1  augustss  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     60        1.1  augustss  * POSSIBILITY OF SUCH DAMAGE.
     61        1.1  augustss  */
     62        1.1  augustss 
     63        1.1  augustss #include <sys/cdefs.h>
     64  1.19.18.1       mjf __KERNEL_RCSID(0, "$NetBSD: ubsa.c,v 1.19.18.1 2008/02/18 21:06:25 mjf Exp $");
     65        1.1  augustss 
     66        1.1  augustss #include <sys/param.h>
     67        1.1  augustss #include <sys/systm.h>
     68        1.1  augustss #include <sys/kernel.h>
     69        1.1  augustss #include <sys/malloc.h>
     70        1.1  augustss #ifdef __FreeBSD__
     71        1.1  augustss #include <sys/bus.h>
     72        1.1  augustss #endif
     73        1.1  augustss #include <sys/ioccom.h>
     74        1.1  augustss #include <sys/fcntl.h>
     75        1.1  augustss #include <sys/conf.h>
     76        1.1  augustss #include <sys/tty.h>
     77        1.1  augustss #include <sys/file.h>
     78        1.1  augustss #if __FreeBSD_version >= 500014
     79        1.1  augustss #include <sys/selinfo.h>
     80        1.1  augustss #else
     81        1.1  augustss #include <sys/select.h>
     82        1.1  augustss #endif
     83        1.1  augustss #include <sys/proc.h>
     84        1.4      fvdl #include <sys/device.h>
     85        1.1  augustss #include <sys/poll.h>
     86        1.1  augustss #include <sys/sysctl.h>
     87        1.1  augustss 
     88        1.1  augustss #include <dev/usb/usb.h>
     89        1.1  augustss #include <dev/usb/usbcdc.h>
     90        1.1  augustss 
     91        1.1  augustss #include <dev/usb/usbdi.h>
     92        1.1  augustss #include <dev/usb/usbdi_util.h>
     93        1.1  augustss #include <dev/usb/usbdevs.h>
     94        1.1  augustss #include <dev/usb/usb_quirks.h>
     95        1.1  augustss 
     96        1.1  augustss #include <dev/usb/ucomvar.h>
     97  1.19.18.1       mjf #include <dev/usb/ubsavar.h>
     98        1.1  augustss 
     99        1.1  augustss #ifdef UBSA_DEBUG
    100        1.1  augustss Static int	ubsadebug = 0;
    101        1.1  augustss #ifdef __FreeBSD__
    102        1.1  augustss SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa");
    103        1.1  augustss SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW,
    104        1.1  augustss 	   &ubsadebug, 0, "ubsa debug level");
    105        1.1  augustss #endif
    106        1.1  augustss 
    107        1.1  augustss #define	DPRINTFN(n, x)	do { \
    108        1.1  augustss 				if (ubsadebug > (n)) \
    109        1.1  augustss 					logprintf x; \
    110        1.1  augustss 			} while (0)
    111        1.1  augustss #else
    112        1.1  augustss #define	DPRINTFN(n, x)
    113        1.1  augustss #endif
    114        1.1  augustss #define	DPRINTF(x) DPRINTFN(0, x)
    115        1.1  augustss 
    116        1.1  augustss struct	ucom_methods ubsa_methods = {
    117        1.1  augustss 	ubsa_get_status,
    118        1.1  augustss 	ubsa_set,
    119        1.1  augustss 	ubsa_param,
    120        1.1  augustss 	NULL,
    121        1.1  augustss 	ubsa_open,
    122        1.1  augustss 	ubsa_close,
    123        1.1  augustss 	NULL,
    124        1.1  augustss 	NULL
    125        1.1  augustss };
    126        1.1  augustss 
    127        1.1  augustss Static const struct usb_devno ubsa_devs[] = {
    128        1.1  augustss 	/* BELKIN F5U103 */
    129        1.1  augustss 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 },
    130        1.1  augustss 	/* BELKIN F5U120 */
    131        1.1  augustss 	{ USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 },
    132        1.1  augustss 	/* GoHubs GO-COM232 */
    133        1.1  augustss 	{ USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM },
    134        1.1  augustss 	/* GoHubs GO-COM232 */
    135        1.1  augustss 	{ USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 },
    136        1.1  augustss 	/* Peracom */
    137        1.1  augustss 	{ USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 },
    138       1.17   mlelstv 	/* Option N.V. */
    139       1.17   mlelstv 	{ USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_MC3G },
    140       1.17   mlelstv 	{ USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_QUADUMTS2 },
    141       1.17   mlelstv 	{ USB_VENDOR_OPTIONNV, USB_PRODUCT_OPTIONNV_QUADUMTS },
    142       1.18      salo 	/* AnyDATA ADU-E100H */
    143       1.18      salo 	{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100H },
    144        1.1  augustss };
    145        1.1  augustss #define ubsa_lookup(v, p) usb_lookup(ubsa_devs, v, p)
    146        1.1  augustss 
    147  1.19.18.1       mjf int ubsa_match(device_t, struct cfdata *, void *);
    148  1.19.18.1       mjf void ubsa_attach(device_t, device_t, void *);
    149  1.19.18.1       mjf void ubsa_childdet(device_t, device_t);
    150  1.19.18.1       mjf int ubsa_detach(device_t, int);
    151  1.19.18.1       mjf int ubsa_activate(device_t, enum devact);
    152  1.19.18.1       mjf 
    153  1.19.18.1       mjf extern struct cfdriver ubsa_cd;
    154  1.19.18.1       mjf 
    155  1.19.18.1       mjf CFATTACH_DECL2(ubsa, sizeof(struct ubsa_softc),
    156  1.19.18.1       mjf     ubsa_match, ubsa_attach, ubsa_detach, ubsa_activate, NULL, ubsa_childdet);
    157        1.1  augustss 
    158        1.1  augustss USB_MATCH(ubsa)
    159        1.1  augustss {
    160        1.1  augustss 	USB_MATCH_START(ubsa, uaa);
    161        1.1  augustss 
    162        1.1  augustss 	return (ubsa_lookup(uaa->vendor, uaa->product) != NULL ?
    163        1.1  augustss 		UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
    164        1.1  augustss }
    165        1.1  augustss 
    166        1.1  augustss USB_ATTACH(ubsa)
    167        1.1  augustss {
    168        1.1  augustss 	USB_ATTACH_START(ubsa, sc, uaa);
    169        1.1  augustss 	usbd_device_handle dev = uaa->device;
    170        1.1  augustss 	usb_config_descriptor_t *cdesc;
    171        1.1  augustss 	usb_interface_descriptor_t *id;
    172        1.1  augustss 	usb_endpoint_descriptor_t *ed;
    173       1.12  augustss 	char *devinfop;
    174        1.1  augustss 	const char *devname = USBDEVNAME(sc->sc_dev);
    175        1.1  augustss 	usbd_status err;
    176        1.1  augustss 	struct ucom_attach_args uca;
    177        1.1  augustss 	int i;
    178        1.1  augustss 
    179       1.12  augustss 	devinfop = usbd_devinfo_alloc(dev, 0);
    180       1.12  augustss 	USB_ATTACH_SETUP;
    181       1.12  augustss 	printf("%s: %s\n", devname, devinfop);
    182       1.12  augustss 	usbd_devinfo_free(devinfop);
    183        1.1  augustss 
    184        1.1  augustss         sc->sc_udev = dev;
    185  1.19.18.1       mjf 	sc->sc_config_index = UBSA_DEFAULT_CONFIG_INDEX;
    186  1.19.18.1       mjf 	sc->sc_numif = 1; /* default device has one interface */
    187        1.1  augustss 
    188        1.1  augustss 	/*
    189        1.1  augustss 	 * initialize rts, dtr variables to something
    190        1.3  augustss 	 * different from boolean 0, 1
    191        1.1  augustss 	 */
    192        1.1  augustss 	sc->sc_dtr = -1;
    193        1.1  augustss 	sc->sc_rts = -1;
    194        1.1  augustss 
    195       1.17   mlelstv 	/*
    196       1.17   mlelstv 	 * Quad UMTS cards use different requests to
    197       1.17   mlelstv 	 * control com settings and only some.
    198       1.17   mlelstv 	 */
    199       1.17   mlelstv 	sc->sc_quadumts = 0;
    200       1.17   mlelstv 	if (uaa->vendor == USB_VENDOR_OPTIONNV) {
    201       1.17   mlelstv 		switch (uaa->product) {
    202       1.17   mlelstv 		case USB_PRODUCT_OPTIONNV_QUADUMTS:
    203       1.17   mlelstv 		case USB_PRODUCT_OPTIONNV_QUADUMTS2:
    204       1.17   mlelstv 			sc->sc_quadumts = 1;
    205       1.17   mlelstv 			break;
    206       1.17   mlelstv 		}
    207       1.17   mlelstv 	}
    208       1.17   mlelstv 
    209        1.1  augustss 	DPRINTF(("ubsa attach: sc = %p\n", sc));
    210        1.1  augustss 
    211        1.1  augustss 	/* Move the device into the configured state. */
    212  1.19.18.1       mjf 	err = usbd_set_config_index(dev, sc->sc_config_index, 1);
    213        1.1  augustss 	if (err) {
    214        1.1  augustss 		printf("%s: failed to set configuration: %s\n",
    215        1.1  augustss 		    devname, usbd_errstr(err));
    216        1.1  augustss 		sc->sc_dying = 1;
    217        1.1  augustss 		goto error;
    218        1.1  augustss 	}
    219        1.1  augustss 
    220        1.1  augustss 	/* get the config descriptor */
    221        1.1  augustss 	cdesc = usbd_get_config_descriptor(sc->sc_udev);
    222        1.1  augustss 
    223        1.1  augustss 	if (cdesc == NULL) {
    224        1.1  augustss 		printf("%s: failed to get configuration descriptor\n",
    225        1.1  augustss 		    devname);
    226        1.1  augustss 		sc->sc_dying = 1;
    227        1.1  augustss 		goto error;
    228        1.1  augustss 	}
    229        1.1  augustss 
    230  1.19.18.1       mjf 	sc->sc_intr_number = -1;
    231  1.19.18.1       mjf 	sc->sc_intr_pipe = NULL;
    232  1.19.18.1       mjf 
    233  1.19.18.1       mjf 	/* get the interfaces */
    234  1.19.18.1       mjf 	err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX_OFFSET,
    235  1.19.18.1       mjf 			 &sc->sc_iface[0]);
    236        1.1  augustss 	if (err) {
    237  1.19.18.1       mjf 		/* can not get main interface */
    238        1.1  augustss 		sc->sc_dying = 1;
    239        1.1  augustss 		goto error;
    240        1.1  augustss 	}
    241        1.1  augustss 
    242        1.1  augustss 	/* Find the endpoints */
    243  1.19.18.1       mjf 	id = usbd_get_interface_descriptor(sc->sc_iface[0]);
    244  1.19.18.1       mjf 	sc->sc_iface_number[0] = id->bInterfaceNumber;
    245        1.1  augustss 
    246  1.19.18.1       mjf 	/* initialize endpoints */
    247  1.19.18.1       mjf 	uca.bulkin = uca.bulkout = -1;
    248        1.1  augustss 
    249        1.1  augustss 	for (i = 0; i < id->bNumEndpoints; i++) {
    250  1.19.18.1       mjf 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface[0], i);
    251        1.1  augustss 		if (ed == NULL) {
    252        1.1  augustss 			printf("%s: no endpoint descriptor for %d\n",
    253  1.19.18.1       mjf 		    		USBDEVNAME(sc->sc_dev), i);
    254  1.19.18.1       mjf 			break;
    255        1.1  augustss 		}
    256        1.1  augustss 
    257        1.1  augustss 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
    258        1.1  augustss 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
    259        1.1  augustss 			sc->sc_intr_number = ed->bEndpointAddress;
    260        1.1  augustss 			sc->sc_isize = UGETW(ed->wMaxPacketSize);
    261        1.1  augustss 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
    262        1.1  augustss 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
    263        1.1  augustss 			uca.bulkin = ed->bEndpointAddress;
    264        1.1  augustss 			uca.ibufsize = UGETW(ed->wMaxPacketSize);
    265        1.1  augustss 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
    266        1.1  augustss 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
    267        1.1  augustss 			uca.bulkout = ed->bEndpointAddress;
    268        1.1  augustss 			uca.obufsize = UGETW(ed->wMaxPacketSize);
    269        1.1  augustss 		}
    270  1.19.18.1       mjf 	} /* end of Endpoint loop */
    271        1.1  augustss 
    272        1.1  augustss 	if (sc->sc_intr_number == -1) {
    273        1.1  augustss 		printf("%s: Could not find interrupt in\n", devname);
    274        1.1  augustss 		sc->sc_dying = 1;
    275        1.1  augustss 		goto error;
    276        1.1  augustss 	}
    277        1.1  augustss 
    278        1.1  augustss 	if (uca.bulkin == -1) {
    279        1.1  augustss 		printf("%s: Could not find data bulk in\n", devname);
    280        1.1  augustss 		sc->sc_dying = 1;
    281        1.1  augustss 		goto error;
    282        1.1  augustss 	}
    283        1.1  augustss 
    284        1.1  augustss 	if (uca.bulkout == -1) {
    285        1.1  augustss 		printf("%s: Could not find data bulk out\n", devname);
    286        1.1  augustss 		sc->sc_dying = 1;
    287        1.1  augustss 		goto error;
    288        1.1  augustss 	}
    289        1.1  augustss 
    290  1.19.18.1       mjf 	uca.portno = 0;
    291        1.1  augustss 	/* bulkin, bulkout set above */
    292        1.1  augustss 	uca.ibufsizepad = uca.ibufsize;
    293        1.1  augustss 	uca.opkthdrlen = 0;
    294        1.1  augustss 	uca.device = dev;
    295  1.19.18.1       mjf 	uca.iface = sc->sc_iface[0];
    296        1.1  augustss 	uca.methods = &ubsa_methods;
    297        1.1  augustss 	uca.arg = sc;
    298        1.1  augustss 	uca.info = NULL;
    299  1.19.18.1       mjf 	DPRINTF(("ubsa: int#=%d, in = 0x%x, out = 0x%x, intr = 0x%x\n",
    300  1.19.18.1       mjf     		i, uca.bulkin, uca.bulkout, sc->sc_intr_number));
    301  1.19.18.1       mjf 	sc->sc_subdevs[0] = config_found_sm_loc(self, "ucombus", NULL, &uca,
    302  1.19.18.1       mjf 				    ucomprint, ucomsubmatch);
    303        1.1  augustss 
    304        1.1  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
    305        1.1  augustss 			   USBDEV(sc->sc_dev));
    306        1.1  augustss 
    307        1.1  augustss 	USB_ATTACH_SUCCESS_RETURN;
    308        1.1  augustss 
    309        1.1  augustss error:
    310        1.1  augustss 	USB_ATTACH_ERROR_RETURN;
    311        1.1  augustss }
    312        1.1  augustss 
    313  1.19.18.1       mjf 
    314  1.19.18.1       mjf void
    315  1.19.18.1       mjf ubsa_childdet(device_t self, device_t child)
    316  1.19.18.1       mjf {
    317  1.19.18.1       mjf 	int i;
    318  1.19.18.1       mjf 	struct ubsa_softc *sc = device_private(self);
    319  1.19.18.1       mjf 
    320  1.19.18.1       mjf 	for (i = 0; i < sc->sc_numif; i++) {
    321  1.19.18.1       mjf 		if (sc->sc_subdevs[i] == child)
    322  1.19.18.1       mjf 			break;
    323  1.19.18.1       mjf 	}
    324  1.19.18.1       mjf 	KASSERT(i < sc->sc_numif);
    325  1.19.18.1       mjf 		sc->sc_subdevs[i] = NULL;
    326  1.19.18.1       mjf }
    327  1.19.18.1       mjf 
    328        1.1  augustss USB_DETACH(ubsa)
    329        1.1  augustss {
    330        1.1  augustss 	USB_DETACH_START(ubsa, sc);
    331  1.19.18.1       mjf 	int i;
    332        1.5      fvdl 	int rv = 0;
    333        1.1  augustss 
    334        1.1  augustss 
    335        1.1  augustss 	DPRINTF(("ubsa_detach: sc = %p\n", sc));
    336        1.1  augustss 
    337        1.1  augustss 	if (sc->sc_intr_pipe != NULL) {
    338        1.1  augustss 		usbd_abort_pipe(sc->sc_intr_pipe);
    339        1.1  augustss 		usbd_close_pipe(sc->sc_intr_pipe);
    340        1.1  augustss 		free(sc->sc_intr_buf, M_USBDEV);
    341        1.1  augustss 		sc->sc_intr_pipe = NULL;
    342        1.1  augustss 	}
    343        1.1  augustss 
    344        1.1  augustss 	sc->sc_dying = 1;
    345  1.19.18.1       mjf 	for (i = 0; i < sc->sc_numif; i++) {
    346  1.19.18.1       mjf 		if (sc->sc_subdevs[i] != NULL)
    347  1.19.18.1       mjf 			rv |= config_detach(sc->sc_subdevs[i], flags);
    348        1.1  augustss 	}
    349        1.1  augustss 
    350        1.1  augustss 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
    351        1.1  augustss 			   USBDEV(sc->sc_dev));
    352        1.1  augustss 
    353        1.1  augustss 	return (rv);
    354        1.1  augustss }
    355        1.1  augustss 
    356        1.2     pooka int
    357        1.1  augustss ubsa_activate(device_ptr_t self, enum devact act)
    358        1.1  augustss {
    359  1.19.18.1       mjf 	struct ubsa_softc *sc = device_private(self);
    360        1.1  augustss 	int rv = 0;
    361  1.19.18.1       mjf 	int i;
    362        1.1  augustss 
    363        1.1  augustss 	switch (act) {
    364        1.1  augustss 	case DVACT_ACTIVATE:
    365        1.1  augustss 		return (EOPNOTSUPP);
    366        1.1  augustss 
    367        1.1  augustss 	case DVACT_DEACTIVATE:
    368  1.19.18.1       mjf 		for (i = 0; i < sc->sc_numif; i++) {
    369  1.19.18.1       mjf 			if (sc->sc_subdevs[i] != NULL)
    370  1.19.18.1       mjf 				rv |= config_deactivate(sc->sc_subdevs[i]);
    371  1.19.18.1       mjf 		}
    372        1.1  augustss 		sc->sc_dying = 1;
    373        1.1  augustss 		break;
    374        1.1  augustss 	}
    375        1.1  augustss 	return (rv);
    376        1.1  augustss }
    377        1.1  augustss 
    378