2 * Copyright (c) 2002, Alexander Kabaev <kan.FreeBSD.org>.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Copyright (c) 2001 The NetBSD Foundation, Inc.
29 * All rights reserved.
31 * This code is derived from software contributed to The NetBSD Foundation
32 * by Ichiro FUKUHARA (ichiro@ichiro.org).
34 * Redistribution and use in source and binary forms, with or without
35 * modification, are permitted provided that the following conditions
37 * 1. Redistributions of source code must retain the above copyright
38 * notice, this list of conditions and the following disclaimer.
39 * 2. Redistributions in binary form must reproduce the above copyright
40 * notice, this list of conditions and the following disclaimer in the
41 * documentation and/or other materials provided with the distribution.
42 * 3. All advertising materials mentioning features or use of this software
43 * must display the following acknowledgement:
44 * This product includes software developed by the NetBSD
45 * Foundation, Inc. and its contributors.
46 * 4. Neither the name of The NetBSD Foundation nor the names of its
47 * contributors may be used to endorse or promote products derived
48 * from this software without specific prior written permission.
50 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
51 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
52 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
60 * POSSIBILITY OF SUCH DAMAGE.
62 * $FreeBSD: src/sys/dev/usb/ubsa.c,v 1.11 2003/11/16 12:13:39 akiyama Exp $
63 * $DragonFly: src/sys/dev/usbmisc/ubsa/ubsa.c,v 1.8 2006/09/05 00:55:43 dillon Exp $
66 #include <sys/param.h>
67 #include <sys/systm.h>
68 #include <sys/kernel.h>
69 #include <sys/malloc.h>
71 #include <sys/ioccom.h>
72 #include <sys/fcntl.h>
73 #include <sys/interrupt.h>
77 #if defined(__FreeBSD__) && __FreeBSD_version >= 500014
78 #include <sys/selinfo.h>
80 #include <sys/select.h>
83 #include <sys/vnode.h>
85 #include <sys/sysctl.h>
87 #include <bus/usb/usb.h>
88 #include <bus/usb/usbcdc.h>
90 #include <bus/usb/usbdi.h>
91 #include <bus/usb/usbdi_util.h>
92 #include <bus/usb/usbdevs.h>
93 #include <bus/usb/usb_quirks.h>
95 #include "../ucom/ucomvar.h"
98 Static int ubsadebug = 0;
99 SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa");
100 SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW,
101 &ubsadebug, 0, "ubsa debug level");
103 #define DPRINTFN(n, x) do { \
104 if (ubsadebug > (n)) \
108 #define DPRINTFN(n, x)
110 #define DPRINTF(x) DPRINTFN(0, x)
112 #define UBSA_MODVER 1 /* module version */
114 #define UBSA_CONFIG_INDEX 1
115 #define UBSA_IFACE_INDEX 0
117 #define UBSA_INTR_INTERVAL 100 /* ms */
119 #define UBSA_SET_BAUDRATE 0x00
120 #define UBSA_SET_STOP_BITS 0x01
121 #define UBSA_SET_DATA_BITS 0x02
122 #define UBSA_SET_PARITY 0x03
123 #define UBSA_SET_DTR 0x0A
124 #define UBSA_SET_RTS 0x0B
125 #define UBSA_SET_BREAK 0x0C
126 #define UBSA_SET_FLOW_CTRL 0x10
128 #define UBSA_PARITY_NONE 0x00
129 #define UBSA_PARITY_EVEN 0x01
130 #define UBSA_PARITY_ODD 0x02
131 #define UBSA_PARITY_MARK 0x03
132 #define UBSA_PARITY_SPACE 0x04
134 #define UBSA_FLOW_NONE 0x0000
135 #define UBSA_FLOW_OCTS 0x0001
136 #define UBSA_FLOW_ODSR 0x0002
137 #define UBSA_FLOW_IDSR 0x0004
138 #define UBSA_FLOW_IDTR 0x0008
139 #define UBSA_FLOW_IRTS 0x0010
140 #define UBSA_FLOW_ORTS 0x0020
141 #define UBSA_FLOW_UNKNOWN 0x0040
142 #define UBSA_FLOW_OXON 0x0080
143 #define UBSA_FLOW_IXON 0x0100
145 /* line status register */
146 #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */
147 #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */
148 #define UBSA_LSR_BI 0x10 /* Break detected */
149 #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */
150 #define UBSA_LSR_PE 0x04 /* Parity error */
151 #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */
152 #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */
153 #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */
155 /* modem status register */
156 /* All deltas are from the last read of the MSR. */
157 #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */
158 #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */
159 #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */
160 #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */
161 #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */
162 #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */
163 #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */
164 #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */
167 struct ucom_softc sc_ucom;
169 int sc_iface_number; /* interface number */
171 usbd_interface_handle sc_intr_iface; /* interrupt interface */
172 int sc_intr_number; /* interrupt number */
173 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
174 u_char *sc_intr_buf; /* interrupt buffer */
177 u_char sc_dtr; /* current DTR state */
178 u_char sc_rts; /* current RTS state */
180 u_char sc_lsr; /* Local status register */
181 u_char sc_msr; /* ubsa status register */
182 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
187 Static void ubsa_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
188 Static void ubsa_notify(void *);
190 Static void ubsa_get_status(void *, int, u_char *, u_char *);
191 Static void ubsa_set(void *, int, int, int);
192 Static int ubsa_param(void *, int, struct termios *);
193 Static int ubsa_open(void *, int);
194 Static void ubsa_close(void *, int);
196 Static int ubsa_request(struct ubsa_softc *, u_int8_t, u_int16_t);
197 Static void ubsa_dtr(struct ubsa_softc *, int);
198 Static void ubsa_rts(struct ubsa_softc *, int);
199 Static void ubsa_baudrate(struct ubsa_softc *, speed_t);
200 Static void ubsa_parity(struct ubsa_softc *, tcflag_t);
201 Static void ubsa_databits(struct ubsa_softc *, tcflag_t);
202 Static void ubsa_stopbits(struct ubsa_softc *, tcflag_t);
203 Static void ubsa_flow(struct ubsa_softc *, tcflag_t, tcflag_t);
205 struct ucom_callback ubsa_callback = {
216 Static const struct ubsa_product {
219 } ubsa_products [] = {
221 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 },
223 { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 },
224 /* GoHubs GO-COM232 */
225 { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM },
226 /* GoHubs GO-COM232 */
227 { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 },
229 { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 },
233 Static device_probe_t ubsa_match;
234 Static device_attach_t ubsa_attach;
235 Static device_detach_t ubsa_detach;
237 Static device_method_t ubsa_methods[] = {
238 /* Device interface */
239 DEVMETHOD(device_probe, ubsa_match),
240 DEVMETHOD(device_attach, ubsa_attach),
241 DEVMETHOD(device_detach, ubsa_detach),
245 Static driver_t ubsa_driver = {
248 sizeof (struct ubsa_softc)
251 DRIVER_MODULE(ubsa, uhub, ubsa_driver, ucom_devclass, usbd_driver_load, 0);
252 MODULE_DEPEND(ubsa, usb, 1, 1, 1);
253 MODULE_DEPEND(ubsa, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
254 MODULE_VERSION(ubsa, UBSA_MODVER);
256 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
257 static struct ithd *ucom_ithd;
262 USB_MATCH_START(ubsa, uaa);
265 if (uaa->iface != NULL)
266 return (UMATCH_NONE);
268 for (i = 0; ubsa_products[i].vendor != 0; i++) {
269 if (ubsa_products[i].vendor == uaa->vendor &&
270 ubsa_products[i].product == uaa->product) {
271 return (UMATCH_VENDOR_PRODUCT);
274 return (UMATCH_NONE);
279 USB_ATTACH_START(ubsa, sc, uaa);
280 usbd_device_handle dev;
281 struct ucom_softc *ucom;
282 usb_config_descriptor_t *cdesc;
283 usb_interface_descriptor_t *id;
284 usb_endpoint_descriptor_t *ed;
291 devinfo = kmalloc(1024, M_USBDEV, M_INTWAIT);
294 bzero(sc, sizeof (struct ubsa_softc));
297 * initialize rts, dtr variables to something
298 * different from boolean 0, 1
303 usbd_devinfo(dev, 0, devinfo);
304 /* USB_ATTACH_SETUP; */
306 device_set_desc_copy(self, devinfo);
307 /* USB_ATTACH_SETUP; */
310 ucom->sc_iface = uaa->iface;
312 devname = USBDEVNAME(ucom->sc_dev);
313 printf("%s: %s\n", devname, devinfo);
315 DPRINTF(("ubsa attach: sc = %p\n", sc));
317 /* initialize endpoints */
318 ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
319 sc->sc_intr_number = -1;
320 sc->sc_intr_pipe = NULL;
322 /* Move the device into the configured state. */
323 err = usbd_set_config_index(dev, UBSA_CONFIG_INDEX, 1);
325 printf("%s: failed to set configuration: %s\n",
326 devname, usbd_errstr(err));
331 /* get the config descriptor */
332 cdesc = usbd_get_config_descriptor(ucom->sc_udev);
335 printf("%s: failed to get configuration descriptor\n",
336 USBDEVNAME(ucom->sc_dev));
341 /* get the first interface */
342 err = usbd_device2interface_handle(dev, UBSA_IFACE_INDEX,
345 printf("%s: failed to get interface: %s\n",
346 devname, usbd_errstr(err));
351 /* Find the endpoints */
353 id = usbd_get_interface_descriptor(ucom->sc_iface);
354 sc->sc_iface_number = id->bInterfaceNumber;
356 for (i = 0; i < id->bNumEndpoints; i++) {
357 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
359 printf("%s: no endpoint descriptor for %d\n",
360 USBDEVNAME(ucom->sc_dev), i);
365 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
366 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
367 sc->sc_intr_number = ed->bEndpointAddress;
368 sc->sc_isize = UGETW(ed->wMaxPacketSize);
369 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
370 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
371 ucom->sc_bulkin_no = ed->bEndpointAddress;
372 ucom->sc_ibufsize = UGETW(ed->wMaxPacketSize);
373 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
374 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
375 ucom->sc_bulkout_no = ed->bEndpointAddress;
376 ucom->sc_obufsize = UGETW(ed->wMaxPacketSize);
380 if (sc->sc_intr_number == -1) {
381 printf("%s: Could not find interrupt in\n",
382 USBDEVNAME(ucom->sc_dev));
387 /* keep interface for interrupt */
388 sc->sc_intr_iface = ucom->sc_iface;
390 if (ucom->sc_bulkin_no == -1) {
391 printf("%s: Could not find data bulk in\n",
392 USBDEVNAME(ucom->sc_dev));
397 if (ucom->sc_bulkout_no == -1) {
398 printf("%s: Could not find data bulk out\n",
399 USBDEVNAME(ucom->sc_dev));
404 ucom->sc_parent = sc;
405 ucom->sc_portno = UCOM_UNK_PORTNO;
406 /* bulkin, bulkout set above */
407 ucom->sc_ibufsizepad = ucom->sc_ibufsize;
408 ucom->sc_opkthdrlen = 0;
409 ucom->sc_callback = &ubsa_callback;
411 DPRINTF(("ubsa: in = 0x%x, out = 0x%x, intr = 0x%x\n",
412 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
414 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
415 swi_add(&ucom_ithd, "ucom", ubsa_notify, sc, SWI_TTY, 0,
421 kfree(devinfo, M_USBDEV);
422 USB_ATTACH_SUCCESS_RETURN;
425 kfree(devinfo, M_USBDEV);
426 USB_ATTACH_ERROR_RETURN;
431 USB_DETACH_START(ubsa, sc);
435 DPRINTF(("ubsa_detach: sc = %p\n", sc));
437 if (sc->sc_intr_pipe != NULL) {
438 usbd_abort_pipe(sc->sc_intr_pipe);
439 usbd_close_pipe(sc->sc_intr_pipe);
440 kfree(sc->sc_intr_buf, M_USBDEV);
441 sc->sc_intr_pipe = NULL;
444 sc->sc_ucom.sc_dying = 1;
446 rv = ucom_detach(&sc->sc_ucom);
448 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
449 ithread_remove_handler(sc->sc_swicookie);
456 ubsa_request(struct ubsa_softc *sc, u_int8_t request, u_int16_t value)
458 usb_device_request_t req;
461 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
462 req.bRequest = request;
463 USETW(req.wValue, value);
464 USETW(req.wIndex, sc->sc_iface_number);
465 USETW(req.wLength, 0);
467 err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
469 printf("%s: ubsa_request: %s\n",
470 USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
475 ubsa_dtr(struct ubsa_softc *sc, int onoff)
478 DPRINTF(("ubsa_dtr: onoff = %d\n", onoff));
480 if (sc->sc_dtr == onoff)
484 ubsa_request(sc, UBSA_SET_DTR, onoff ? 1 : 0);
488 ubsa_rts(struct ubsa_softc *sc, int onoff)
491 DPRINTF(("ubsa_rts: onoff = %d\n", onoff));
493 if (sc->sc_rts == onoff)
497 ubsa_request(sc, UBSA_SET_RTS, onoff ? 1 : 0);
501 ubsa_break(struct ubsa_softc *sc, int onoff)
504 DPRINTF(("ubsa_rts: onoff = %d\n", onoff));
506 ubsa_request(sc, UBSA_SET_BREAK, onoff ? 1 : 0);
510 ubsa_set(void *addr, int portno, int reg, int onoff)
512 struct ubsa_softc *sc;
523 ubsa_break(sc, onoff);
531 ubsa_baudrate(struct ubsa_softc *sc, speed_t speed)
535 DPRINTF(("ubsa_baudrate: speed = %d\n", speed));
551 value = B230400 / speed;
554 printf("%s: ubsa_param: unsupported baudrate, "
555 "forcing default of 9600\n",
556 USBDEVNAME(sc->sc_ucom.sc_dev));
557 value = B230400 / B9600;
566 ubsa_request(sc, UBSA_SET_BAUDRATE, value);
570 ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag)
574 DPRINTF(("ubsa_parity: cflag = 0x%x\n", cflag));
577 value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN;
579 value = UBSA_PARITY_NONE;
581 ubsa_request(sc, UBSA_SET_PARITY, value);
585 ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag)
589 DPRINTF(("ubsa_databits: cflag = 0x%x\n", cflag));
591 switch (cflag & CSIZE) {
592 case CS5: value = 0; break;
593 case CS6: value = 1; break;
594 case CS7: value = 2; break;
595 case CS8: value = 3; break;
597 printf("%s: ubsa_param: unsupported databits requested, "
598 "forcing default of 8\n",
599 USBDEVNAME(sc->sc_ucom.sc_dev));
603 ubsa_request(sc, UBSA_SET_DATA_BITS, value);
607 ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag)
611 DPRINTF(("ubsa_stopbits: cflag = 0x%x\n", cflag));
613 value = (cflag & CSTOPB) ? 1 : 0;
615 ubsa_request(sc, UBSA_SET_STOP_BITS, value);
619 ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag)
623 DPRINTF(("ubsa_flow: cflag = 0x%x, iflag = 0x%x\n", cflag, iflag));
627 value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS;
628 if (iflag & (IXON|IXOFF))
629 value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON;
631 ubsa_request(sc, UBSA_SET_FLOW_CTRL, value);
635 ubsa_param(void *addr, int portno, struct termios *ti)
637 struct ubsa_softc *sc;
641 DPRINTF(("ubsa_param: sc = %p\n", sc));
643 ubsa_baudrate(sc, ti->c_ospeed);
644 ubsa_parity(sc, ti->c_cflag);
645 ubsa_databits(sc, ti->c_cflag);
646 ubsa_stopbits(sc, ti->c_cflag);
647 ubsa_flow(sc, ti->c_cflag, ti->c_iflag);
653 ubsa_open(void *addr, int portno)
655 struct ubsa_softc *sc;
659 if (sc->sc_ucom.sc_dying)
662 DPRINTF(("ubsa_open: sc = %p\n", sc));
664 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
665 sc->sc_intr_buf = kmalloc(sc->sc_isize, M_USBDEV, M_WAITOK);
666 err = usbd_open_pipe_intr(sc->sc_intr_iface,
676 printf("%s: cannot open interrupt pipe (addr %d)\n",
677 USBDEVNAME(sc->sc_ucom.sc_dev),
687 ubsa_close(void *addr, int portno)
689 struct ubsa_softc *sc;
693 if (sc->sc_ucom.sc_dying)
696 DPRINTF(("ubsa_close: close\n"));
698 if (sc->sc_intr_pipe != NULL) {
699 err = usbd_abort_pipe(sc->sc_intr_pipe);
701 printf("%s: abort interrupt pipe failed: %s\n",
702 USBDEVNAME(sc->sc_ucom.sc_dev),
704 err = usbd_close_pipe(sc->sc_intr_pipe);
706 printf("%s: close interrupt pipe failed: %s\n",
707 USBDEVNAME(sc->sc_ucom.sc_dev),
709 kfree(sc->sc_intr_buf, M_USBDEV);
710 sc->sc_intr_pipe = NULL;
715 ubsa_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
717 struct ubsa_softc *sc;
721 buf = sc->sc_intr_buf;
722 if (sc->sc_ucom.sc_dying)
725 if (status != USBD_NORMAL_COMPLETION) {
726 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
729 DPRINTF(("%s: ubsa_intr: abnormal status: %s\n",
730 USBDEVNAME(sc->sc_ucom.sc_dev),
731 usbd_errstr(status)));
732 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
736 /* incidentally, Belkin adapter status bits match UART 16550 bits */
740 DPRINTF(("%s: ubsa lsr = 0x%02x, msr = 0x%02x\n",
741 USBDEVNAME(sc->sc_ucom.sc_dev), sc->sc_lsr, sc->sc_msr));
743 #if defined(__FreeBSD__) && __FreeBSD_version >= 500000
744 swi_sched(sc->sc_swicookie, 0);
750 /* Handle delayed events. */
752 ubsa_notify(void *arg)
754 struct ubsa_softc *sc;
757 ucom_status_change(&sc->sc_ucom);
761 ubsa_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
763 struct ubsa_softc *sc;
765 DPRINTF(("ubsa_get_status\n"));