xref: /netbsd/sys/dev/usb/uvscom.c (revision c4a72b64)
1 /*	$NetBSD: uvscom.c,v 1.7 2002/09/23 05:51:23 simonb Exp $	*/
2 /*-
3  * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $
28  */
29 
30 /*
31  * uvscom: SUNTAC Slipper U VS-10U driver.
32  * Slipper U is a PC card to USB converter for data communication card
33  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
34  * P-in m@ater and various data communication card adapters.
35  */
36 
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/malloc.h>
41 #include <sys/fcntl.h>
42 #include <sys/conf.h>
43 #include <sys/tty.h>
44 #include <sys/file.h>
45 #if defined(__FreeBSD__)
46 #include <sys/bus.h>
47 #include <sys/ioccom.h>
48 #if __FreeBSD_version >= 500014
49 #include <sys/selinfo.h>
50 #else
51 #include <sys/select.h>
52 #endif
53 #else
54 #include <sys/ioctl.h>
55 #include <sys/device.h>
56 #endif
57 #include <sys/proc.h>
58 #include <sys/vnode.h>
59 #include <sys/poll.h>
60 
61 #include <dev/usb/usb.h>
62 #include <dev/usb/usbcdc.h>
63 
64 #include <dev/usb/usbdi.h>
65 #include <dev/usb/usbdi_util.h>
66 #include <dev/usb/usbdevs.h>
67 #include <dev/usb/usb_quirks.h>
68 
69 #include <dev/usb/ucomvar.h>
70 
71 #ifdef UVSCOM_DEBUG
72 static int	uvscomdebug = 1;
73 
74 #if defined(__FreeBSD__)
75 #include <sys/sysctl.h>
76 
77 SYSCTL_DECL(_debug_usb);
78 SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
79 	   &uvscomdebug, 0, "uvscom debug level");
80 
81 #endif
82 
83 #define DPRINTFN(n, x)  do { \
84 				if (uvscomdebug > (n)) \
85 					logprintf x; \
86 			} while (0)
87 #else
88 #define DPRINTFN(n, x)
89 #endif
90 #define DPRINTF(x) DPRINTFN(0, x)
91 
92 #if defined(__FreeBSD__)
93 #define UVSCOM_MODVER		1	/* module version */
94 #endif
95 
96 #define	UVSCOM_CONFIG_INDEX	0
97 #define	UVSCOM_IFACE_INDEX	0
98 
99 #define UVSCOM_INTR_INTERVAL	100	/* mS */
100 
101 #define UVSCOM_UNIT_WAIT	5
102 
103 /* Request */
104 #define UVSCOM_SET_SPEED	0x10
105 #define UVSCOM_LINE_CTL		0x11
106 #define UVSCOM_SET_PARAM	0x12
107 #define UVSCOM_READ_STATUS	0xd0
108 #define UVSCOM_SHUTDOWN		0xe0
109 
110 /* UVSCOM_SET_SPEED parameters */
111 #define UVSCOM_SPEED_150BPS	0x00
112 #define UVSCOM_SPEED_300BPS	0x01
113 #define UVSCOM_SPEED_600BPS	0x02
114 #define UVSCOM_SPEED_1200BPS	0x03
115 #define UVSCOM_SPEED_2400BPS	0x04
116 #define UVSCOM_SPEED_4800BPS	0x05
117 #define UVSCOM_SPEED_9600BPS	0x06
118 #define UVSCOM_SPEED_19200BPS	0x07
119 #define UVSCOM_SPEED_38400BPS	0x08
120 #define UVSCOM_SPEED_57600BPS	0x09
121 #define UVSCOM_SPEED_115200BPS	0x0a
122 
123 /* UVSCOM_LINE_CTL parameters */
124 #define UVSCOM_BREAK		0x40
125 #define UVSCOM_RTS		0x02
126 #define UVSCOM_DTR		0x01
127 #define UVSCOM_LINE_INIT	0x08
128 
129 /* UVSCOM_SET_PARAM parameters */
130 #define UVSCOM_DATA_MASK	0x03
131 #define UVSCOM_DATA_BIT_8	0x03
132 #define UVSCOM_DATA_BIT_7	0x02
133 #define UVSCOM_DATA_BIT_6	0x01
134 #define UVSCOM_DATA_BIT_5	0x00
135 
136 #define UVSCOM_STOP_MASK	0x04
137 #define UVSCOM_STOP_BIT_2	0x04
138 #define UVSCOM_STOP_BIT_1	0x00
139 
140 #define UVSCOM_PARITY_MASK	0x18
141 #define UVSCOM_PARITY_EVEN	0x18
142 #if 0
143 #define UVSCOM_PARITY_UNK	0x10
144 #endif
145 #define UVSCOM_PARITY_ODD	0x08
146 #define UVSCOM_PARITY_NONE	0x00
147 
148 /* Status bits */
149 #define UVSCOM_TXRDY		0x04
150 #define UVSCOM_RXRDY		0x01
151 
152 #define UVSCOM_DCD		0x08
153 #define UVSCOM_NOCARD		0x04
154 #define UVSCOM_DSR		0x02
155 #define UVSCOM_CTS		0x01
156 #define UVSCOM_USTAT_MASK	(UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
157 
158 struct	uvscom_softc {
159 	USBBASEDEVICE		sc_dev;		/* base device */
160 	usbd_device_handle	sc_udev;	/* USB device */
161 	usbd_interface_handle	sc_iface;	/* interface */
162 	int			sc_iface_number;/* interface number */
163 
164 	usbd_interface_handle	sc_intr_iface;	/* interrupt interface */
165 	int			sc_intr_number;	/* interrupt number */
166 	usbd_pipe_handle	sc_intr_pipe;	/* interrupt pipe */
167 	u_char			*sc_intr_buf;	/* interrupt buffer */
168 	int			sc_isize;
169 
170 	u_char			sc_dtr;		/* current DTR state */
171 	u_char			sc_rts;		/* current RTS state */
172 
173 	u_char			sc_lsr;		/* Local status register */
174 	u_char			sc_msr;		/* uvscom status register */
175 
176 	uint16_t		sc_lcr;		/* Line control */
177 	u_char			sc_usr;		/* unit status */
178 
179 	device_ptr_t		sc_subdev;	/* ucom device */
180 	u_char			sc_dying;	/* disconnecting */
181 };
182 
183 /*
184  * These are the maximum number of bytes transferred per frame.
185  * The output buffer size cannot be increased due to the size encoding.
186  */
187 #define UVSCOMIBUFSIZE 512
188 #define UVSCOMOBUFSIZE 64
189 
190 Static	usbd_status uvscom_readstat(struct uvscom_softc *);
191 Static	usbd_status uvscom_shutdown(struct uvscom_softc *);
192 Static	usbd_status uvscom_reset(struct uvscom_softc *);
193 Static	usbd_status uvscom_set_line_coding(struct uvscom_softc *,
194 					   uint16_t, uint16_t);
195 Static	usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
196 Static	usbd_status uvscom_set_crtscts(struct uvscom_softc *);
197 Static	void uvscom_get_status(void *, int, u_char *, u_char *);
198 Static	void uvscom_dtr(struct uvscom_softc *, int);
199 Static	void uvscom_rts(struct uvscom_softc *, int);
200 Static	void uvscom_break(struct uvscom_softc *, int);
201 
202 Static	void uvscom_set(void *, int, int, int);
203 Static	void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
204 Static	int  uvscom_param(void *, int, struct termios *);
205 Static	int  uvscom_open(void *, int);
206 Static	void uvscom_close(void *, int);
207 
208 struct ucom_methods uvscom_methods = {
209 	uvscom_get_status,
210 	uvscom_set,
211 	uvscom_param,
212 	NULL, /* uvscom_ioctl, TODO */
213 	uvscom_open,
214 	uvscom_close,
215 	NULL,
216 	NULL
217 };
218 
219 static const struct usb_devno uvscom_devs [] = {
220 	/* SUNTAC U-Cable type P1 */
221 	{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
222 	/* SUNTAC Slipper U  */
223 	{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
224 };
225 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
226 
227 USB_DECLARE_DRIVER(uvscom);
228 
229 #ifdef __FreeBSD__
230 Static device_probe_t uvscom_match;
231 Static device_attach_t uvscom_attach;
232 Static device_detach_t uvscom_detach;
233 
234 Static device_method_t uvscom_methods[] = {
235 	/* Device interface */
236 	DEVMETHOD(device_probe, uvscom_match),
237 	DEVMETHOD(device_attach, uvscom_attach),
238 	DEVMETHOD(device_detach, uvscom_detach),
239 	{ 0, 0 }
240 };
241 
242 Static driver_t uvscom_driver = {
243 	"usio",
244 	uvscom_methods,
245 	sizeof (struct uvscom_softc)
246 };
247 
248 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
249 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
250 MODULE_VERSION(uvscom, UVSCOM_MODVER);
251 #endif
252 
253 USB_MATCH(uvscom)
254 {
255 	USB_MATCH_START(uvscom, uaa);
256 
257 	if (uaa->iface != NULL)
258 		return (UMATCH_NONE);
259 
260 	return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
261 		UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
262 }
263 
264 USB_ATTACH(uvscom)
265 {
266 	USB_ATTACH_START(uvscom, sc, uaa);
267 	usbd_device_handle dev = uaa->device;
268 	usb_config_descriptor_t *cdesc;
269 	usb_interface_descriptor_t *id;
270 	usb_endpoint_descriptor_t *ed;
271 	char devinfo[1024];
272 	const char *devname = USBDEVNAME(sc->sc_dev);
273 	usbd_status err;
274 	int i;
275 	struct ucom_attach_args uca;
276 
277         usbd_devinfo(dev, 0, devinfo);
278         USB_ATTACH_SETUP;
279         printf("%s: %s\n", devname, devinfo);
280 
281         sc->sc_udev = dev;
282 
283 	DPRINTF(("uvscom attach: sc = %p\n", sc));
284 
285 	/* initialize endpoints */
286 	uca.bulkin = uca.bulkout = -1;
287 	sc->sc_intr_number = -1;
288 	sc->sc_intr_pipe = NULL;
289 
290 	/* Move the device into the configured state. */
291 	err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
292 	if (err) {
293 		printf("%s: failed to set configuration, err=%s\n",
294 			devname, usbd_errstr(err));
295 		sc->sc_dying = 1;
296 		USB_ATTACH_ERROR_RETURN;
297 	}
298 
299 	/* get the config descriptor */
300 	cdesc = usbd_get_config_descriptor(sc->sc_udev);
301 
302 	if (cdesc == NULL) {
303 		printf("%s: failed to get configuration descriptor\n",
304 			USBDEVNAME(sc->sc_dev));
305 		sc->sc_dying = 1;
306 		USB_ATTACH_ERROR_RETURN;
307 	}
308 
309 	/* get the common interface */
310 	err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
311 					   &sc->sc_iface);
312 	if (err) {
313 		printf("%s: failed to get interface, err=%s\n",
314 			devname, usbd_errstr(err));
315 		sc->sc_dying = 1;
316 		USB_ATTACH_ERROR_RETURN;
317 	}
318 
319 	id = usbd_get_interface_descriptor(sc->sc_iface);
320 	sc->sc_iface_number = id->bInterfaceNumber;
321 
322 	/* Find endpoints */
323 	for (i = 0; i < id->bNumEndpoints; i++) {
324 		ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
325 		if (ed == NULL) {
326 			printf("%s: no endpoint descriptor for %d\n",
327 				USBDEVNAME(sc->sc_dev), i);
328 			sc->sc_dying = 1;
329 			USB_ATTACH_ERROR_RETURN;
330 		}
331 
332 		if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
333 		    UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
334 			uca.bulkin = ed->bEndpointAddress;
335 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
336 			   UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
337 			uca.bulkout = ed->bEndpointAddress;
338 		} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
339 			   UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
340 			sc->sc_intr_number = ed->bEndpointAddress;
341 			sc->sc_isize = UGETW(ed->wMaxPacketSize);
342 		}
343 	}
344 
345 	if (uca.bulkin == -1) {
346 		printf("%s: Could not find data bulk in\n",
347 			USBDEVNAME(sc->sc_dev));
348 		sc->sc_dying = 1;
349 		USB_ATTACH_ERROR_RETURN;
350 	}
351 	if (uca.bulkout == -1) {
352 		printf("%s: Could not find data bulk out\n",
353 			USBDEVNAME(sc->sc_dev));
354 		sc->sc_dying = 1;
355 		USB_ATTACH_ERROR_RETURN;
356 	}
357 	if (sc->sc_intr_number == -1) {
358 		printf("%s: Could not find interrupt in\n",
359 			USBDEVNAME(sc->sc_dev));
360 		sc->sc_dying = 1;
361 		USB_ATTACH_ERROR_RETURN;
362 	}
363 
364 	sc->sc_dtr = sc->sc_rts = 0;
365 	sc->sc_lcr = UVSCOM_LINE_INIT;
366 
367 	uca.portno = UCOM_UNK_PORTNO;
368 	/* bulkin, bulkout set above */
369 	uca.ibufsize = UVSCOMIBUFSIZE;
370 	uca.obufsize = UVSCOMOBUFSIZE;
371 	uca.ibufsizepad = UVSCOMIBUFSIZE;
372 	uca.opkthdrlen = 0;
373 	uca.device = dev;
374 	uca.iface = sc->sc_iface;
375 	uca.methods = &uvscom_methods;
376 	uca.arg = sc;
377 	uca.info = NULL;
378 
379 	err = uvscom_reset(sc);
380 
381 	if (err) {
382 		printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
383 			usbd_errstr(err));
384 		sc->sc_dying = 1;
385 		USB_ATTACH_ERROR_RETURN;
386 	}
387 
388 	DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
389 		 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
390 
391 	usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
392 			   USBDEV(sc->sc_dev));
393 
394 	DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
395 			uca.bulkin, uca.bulkout, sc->sc_intr_number ));
396 	sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
397 
398 	USB_ATTACH_SUCCESS_RETURN;
399 }
400 
401 USB_DETACH(uvscom)
402 {
403 	USB_DETACH_START(uvscom, sc);
404 	int rv = 0;
405 
406 	DPRINTF(("uvscom_detach: sc = %p\n", sc));
407 
408 	sc->sc_dying = 1;
409 
410 	if (sc->sc_intr_pipe != NULL) {
411 		usbd_abort_pipe(sc->sc_intr_pipe);
412 		usbd_close_pipe(sc->sc_intr_pipe);
413 		free(sc->sc_intr_buf, M_USBDEV);
414 		sc->sc_intr_pipe = NULL;
415 	}
416 
417 	sc->sc_dying = 1;
418 	if (sc->sc_subdev != NULL) {
419 		rv = config_detach(sc->sc_subdev, flags);
420 		sc->sc_subdev = NULL;
421 	}
422 
423 	usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
424 			   USBDEV(sc->sc_dev));
425 
426 	return (rv);
427 }
428 
429 int
430 uvscom_activate(device_ptr_t self, enum devact act)
431 {
432 	struct uvscom_softc *sc = (struct uvscom_softc *)self;
433 	int rv = 0;
434 
435 	switch (act) {
436 	case DVACT_ACTIVATE:
437 		return (EOPNOTSUPP);
438 
439 	case DVACT_DEACTIVATE:
440 		if (sc->sc_subdev != NULL)
441 			rv = config_deactivate(sc->sc_subdev);
442 		sc->sc_dying = 1;
443 		break;
444 	}
445 	return (rv);
446 }
447 
448 Static usbd_status
449 uvscom_readstat(struct uvscom_softc *sc)
450 {
451 	usb_device_request_t req;
452 	usbd_status err;
453 	uint16_t r;
454 
455 	DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev)));
456 
457 	req.bmRequestType = UT_READ_VENDOR_DEVICE;
458 	req.bRequest = UVSCOM_READ_STATUS;
459 	USETW(req.wValue, 0);
460 	USETW(req.wIndex, 0);
461 	USETW(req.wLength, 2);
462 
463 	err = usbd_do_request(sc->sc_udev, &req, &r);
464 	if (err) {
465 		printf("%s: uvscom_readstat: %s\n",
466 		       USBDEVNAME(sc->sc_dev), usbd_errstr(err));
467 		return (err);
468 	}
469 
470 	DPRINTF(("%s: uvscom_readstat: r = %d\n",
471 		 USBDEVNAME(sc->sc_dev), r));
472 
473 	return (USBD_NORMAL_COMPLETION);
474 }
475 
476 Static usbd_status
477 uvscom_shutdown(struct uvscom_softc *sc)
478 {
479 	usb_device_request_t req;
480 	usbd_status err;
481 
482 	DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev)));
483 
484 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
485 	req.bRequest = UVSCOM_SHUTDOWN;
486 	USETW(req.wValue, 0);
487 	USETW(req.wIndex, 0);
488 	USETW(req.wLength, 0);
489 
490 	err = usbd_do_request(sc->sc_udev, &req, NULL);
491 	if (err) {
492 		printf("%s: uvscom_shutdown: %s\n",
493 		       USBDEVNAME(sc->sc_dev), usbd_errstr(err));
494 		return (err);
495 	}
496 
497 	return (USBD_NORMAL_COMPLETION);
498 }
499 
500 Static usbd_status
501 uvscom_reset(struct uvscom_softc *sc)
502 {
503 	DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev)));
504 
505 	return (USBD_NORMAL_COMPLETION);
506 }
507 
508 Static usbd_status
509 uvscom_set_crtscts(struct uvscom_softc *sc)
510 {
511 	DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev)));
512 
513 	return (USBD_NORMAL_COMPLETION);
514 }
515 
516 Static usbd_status
517 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
518 {
519 	usb_device_request_t req;
520 	usbd_status err;
521 
522 	DPRINTF(("%s: uvscom_set_line: %04x\n",
523 		 USBDEVNAME(sc->sc_dev), line));
524 
525 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
526 	req.bRequest = UVSCOM_LINE_CTL;
527 	USETW(req.wValue, line);
528 	USETW(req.wIndex, 0);
529 	USETW(req.wLength, 0);
530 
531 	err = usbd_do_request(sc->sc_udev, &req, NULL);
532 	if (err) {
533 		printf("%s: uvscom_set_line: %s\n",
534 		       USBDEVNAME(sc->sc_dev), usbd_errstr(err));
535 		return (err);
536 	}
537 
538 	return (USBD_NORMAL_COMPLETION);
539 }
540 
541 Static usbd_status
542 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
543 {
544 	usb_device_request_t req;
545 	usbd_status err;
546 
547 	DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
548 		 USBDEVNAME(sc->sc_dev), lsp, ls));
549 
550 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
551 	req.bRequest = UVSCOM_SET_SPEED;
552 	USETW(req.wValue, lsp);
553 	USETW(req.wIndex, 0);
554 	USETW(req.wLength, 0);
555 
556 	err = usbd_do_request(sc->sc_udev, &req, NULL);
557 	if (err) {
558 		printf("%s: uvscom_set_line_coding: %s\n",
559 		       USBDEVNAME(sc->sc_dev), usbd_errstr(err));
560 		return (err);
561 	}
562 
563 	req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
564 	req.bRequest = UVSCOM_SET_PARAM;
565 	USETW(req.wValue, ls);
566 	USETW(req.wIndex, 0);
567 	USETW(req.wLength, 0);
568 
569 	err = usbd_do_request(sc->sc_udev, &req, NULL);
570 	if (err) {
571 		printf("%s: uvscom_set_line_coding: %s\n",
572 		       USBDEVNAME(sc->sc_dev), usbd_errstr(err));
573 		return (err);
574 	}
575 
576 	return (USBD_NORMAL_COMPLETION);
577 }
578 
579 Static void
580 uvscom_dtr(struct uvscom_softc *sc, int onoff)
581 {
582 	DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
583 		 USBDEVNAME(sc->sc_dev), onoff));
584 
585 	if (sc->sc_dtr == onoff)
586 		return;			/* no change */
587 
588 	sc->sc_dtr = onoff;
589 
590 	if (onoff)
591 		SET(sc->sc_lcr, UVSCOM_DTR);
592 	else
593 		CLR(sc->sc_lcr, UVSCOM_DTR);
594 
595 	uvscom_set_line(sc, sc->sc_lcr);
596 }
597 
598 Static void
599 uvscom_rts(struct uvscom_softc *sc, int onoff)
600 {
601 	DPRINTF(("%s: uvscom_rts: onoff = %d\n",
602 		 USBDEVNAME(sc->sc_dev), onoff));
603 
604 	if (sc->sc_rts == onoff)
605 		return;			/* no change */
606 
607 	sc->sc_rts = onoff;
608 
609 	if (onoff)
610 		SET(sc->sc_lcr, UVSCOM_RTS);
611 	else
612 		CLR(sc->sc_lcr, UVSCOM_RTS);
613 
614 	uvscom_set_line(sc, sc->sc_lcr);
615 }
616 
617 Static void
618 uvscom_break(struct uvscom_softc *sc, int onoff)
619 {
620 	DPRINTF(("%s: uvscom_break: onoff = %d\n",
621 		 USBDEVNAME(sc->sc_dev), onoff));
622 
623 	if (onoff)
624 		uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
625 }
626 
627 Static void
628 uvscom_set(void *addr, int portno, int reg, int onoff)
629 {
630 	struct uvscom_softc *sc = addr;
631 
632 	switch (reg) {
633 	case UCOM_SET_DTR:
634 		uvscom_dtr(sc, onoff);
635 		break;
636 	case UCOM_SET_RTS:
637 		uvscom_rts(sc, onoff);
638 		break;
639 	case UCOM_SET_BREAK:
640 		uvscom_break(sc, onoff);
641 		break;
642 	default:
643 		break;
644 	}
645 }
646 
647 Static int
648 uvscom_param(void *addr, int portno, struct termios *t)
649 {
650 	struct uvscom_softc *sc = addr;
651 	usbd_status err;
652 	uint16_t lsp;
653 	uint16_t ls;
654 
655 	DPRINTF(("%s: uvscom_param: sc = %p\n",
656 		 USBDEVNAME(sc->sc_dev), sc));
657 
658 	ls = 0;
659 
660 	switch (t->c_ospeed) {
661 	case B150:
662 		lsp = UVSCOM_SPEED_150BPS;
663 		break;
664 	case B300:
665 		lsp = UVSCOM_SPEED_300BPS;
666 		break;
667 	case B600:
668 		lsp = UVSCOM_SPEED_600BPS;
669 		break;
670 	case B1200:
671 		lsp = UVSCOM_SPEED_1200BPS;
672 		break;
673 	case B2400:
674 		lsp = UVSCOM_SPEED_2400BPS;
675 		break;
676 	case B4800:
677 		lsp = UVSCOM_SPEED_4800BPS;
678 		break;
679 	case B9600:
680 		lsp = UVSCOM_SPEED_9600BPS;
681 		break;
682 	case B19200:
683 		lsp = UVSCOM_SPEED_19200BPS;
684 		break;
685 	case B38400:
686 		lsp = UVSCOM_SPEED_38400BPS;
687 		break;
688 	case B57600:
689 		lsp = UVSCOM_SPEED_57600BPS;
690 		break;
691 	case B115200:
692 		lsp = UVSCOM_SPEED_115200BPS;
693 		break;
694 	default:
695 		return (EIO);
696 	}
697 
698 	if (ISSET(t->c_cflag, CSTOPB))
699 		SET(ls, UVSCOM_STOP_BIT_2);
700 	else
701 		SET(ls, UVSCOM_STOP_BIT_1);
702 
703 	if (ISSET(t->c_cflag, PARENB)) {
704 		if (ISSET(t->c_cflag, PARODD))
705 			SET(ls, UVSCOM_PARITY_ODD);
706 		else
707 			SET(ls, UVSCOM_PARITY_EVEN);
708 	} else
709 		SET(ls, UVSCOM_PARITY_NONE);
710 
711 	switch (ISSET(t->c_cflag, CSIZE)) {
712 	case CS5:
713 		SET(ls, UVSCOM_DATA_BIT_5);
714 		break;
715 	case CS6:
716 		SET(ls, UVSCOM_DATA_BIT_6);
717 		break;
718 	case CS7:
719 		SET(ls, UVSCOM_DATA_BIT_7);
720 		break;
721 	case CS8:
722 		SET(ls, UVSCOM_DATA_BIT_8);
723 		break;
724 	default:
725 		return (EIO);
726 	}
727 
728 	err = uvscom_set_line_coding(sc, lsp, ls);
729 	if (err)
730 		return (EIO);
731 
732 	if (ISSET(t->c_cflag, CRTSCTS)) {
733 		err = uvscom_set_crtscts(sc);
734 		if (err)
735 			return (EIO);
736 	}
737 
738 	return (0);
739 }
740 
741 Static int
742 uvscom_open(void *addr, int portno)
743 {
744 	struct uvscom_softc *sc = addr;
745 	int err;
746 	int i;
747 
748 	if (sc->sc_dying)
749 		return (EIO);
750 
751 	DPRINTF(("uvscom_open: sc = %p\n", sc));
752 
753 	if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
754 		DPRINTF(("uvscom_open: open interrupt pipe.\n"));
755 
756 		sc->sc_usr = 0;		/* clear unit status */
757 
758 		err = uvscom_readstat(sc);
759 		if (err) {
760 			DPRINTF(("%s: uvscom_open: readstat faild\n",
761 				 USBDEVNAME(sc->sc_dev)));
762 			return (EIO);
763 		}
764 
765 		sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
766 		err = usbd_open_pipe_intr(sc->sc_iface,
767 					  sc->sc_intr_number,
768 					  USBD_SHORT_XFER_OK,
769 					  &sc->sc_intr_pipe,
770 					  sc,
771 					  sc->sc_intr_buf,
772 					  sc->sc_isize,
773 					  uvscom_intr,
774 					  UVSCOM_INTR_INTERVAL);
775 		if (err) {
776 			printf("%s: cannot open interrupt pipe (addr %d)\n",
777 				 USBDEVNAME(sc->sc_dev),
778 				 sc->sc_intr_number);
779 			return (EIO);
780 		}
781 	} else {
782 		DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
783 	}
784 
785 	if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
786 		/* unit is not ready */
787 
788 		for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
789 			tsleep(&err, TTIPRI, "uvsop", hz);	/* XXX */
790 			if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
791 				break;
792 		}
793 		if (i == 0) {
794 			DPRINTF(("%s: unit is not ready\n",
795 				 USBDEVNAME(sc->sc_dev)));
796 			return (EIO);
797 		}
798 
799 		/* check PC card was inserted */
800 		if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
801 			DPRINTF(("%s: no card\n",
802 				 USBDEVNAME(sc->sc_dev)));
803 			return (EIO);
804 		}
805 	}
806 
807 	return (0);
808 }
809 
810 Static void
811 uvscom_close(void *addr, int portno)
812 {
813 	struct uvscom_softc *sc = addr;
814 	int err;
815 
816 	if (sc->sc_dying)
817 		return;
818 
819 	DPRINTF(("uvscom_close: close\n"));
820 
821 	uvscom_shutdown(sc);
822 
823 	if (sc->sc_intr_pipe != NULL) {
824 		err = usbd_abort_pipe(sc->sc_intr_pipe);
825 		if (err)
826 			printf("%s: abort interrupt pipe failed: %s\n",
827 				USBDEVNAME(sc->sc_dev),
828 					   usbd_errstr(err));
829 		err = usbd_close_pipe(sc->sc_intr_pipe);
830 		if (err)
831 			printf("%s: close interrupt pipe failed: %s\n",
832 				USBDEVNAME(sc->sc_dev),
833 					   usbd_errstr(err));
834 		free(sc->sc_intr_buf, M_USBDEV);
835 		sc->sc_intr_pipe = NULL;
836 	}
837 }
838 
839 Static void
840 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
841 {
842 	struct uvscom_softc *sc = priv;
843 	u_char *buf = sc->sc_intr_buf;
844 	u_char pstatus;
845 
846 	if (sc->sc_dying)
847 		return;
848 
849 	if (status != USBD_NORMAL_COMPLETION) {
850 		if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
851 			return;
852 
853 		printf("%s: uvscom_intr: abnormal status: %s\n",
854 			USBDEVNAME(sc->sc_dev),
855 			usbd_errstr(status));
856 		usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
857 		return;
858 	}
859 
860 	DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
861 		 USBDEVNAME(sc->sc_dev), buf[0], buf[1]));
862 
863 	sc->sc_lsr = sc->sc_msr = 0;
864 	sc->sc_usr = buf[1];
865 
866 	pstatus = buf[0];
867 	if (ISSET(pstatus, UVSCOM_TXRDY))
868 		SET(sc->sc_lsr, ULSR_TXRDY);
869 	if (ISSET(pstatus, UVSCOM_RXRDY))
870 		SET(sc->sc_lsr, ULSR_RXRDY);
871 
872 	pstatus = buf[1];
873 	if (ISSET(pstatus, UVSCOM_CTS))
874 		SET(sc->sc_msr, UMSR_CTS);
875 	if (ISSET(pstatus, UVSCOM_DSR))
876 		SET(sc->sc_msr, UMSR_DSR);
877 	if (ISSET(pstatus, UVSCOM_DCD))
878 		SET(sc->sc_msr, UMSR_DCD);
879 
880 	ucom_status_change((struct ucom_softc *) sc->sc_subdev);
881 }
882 
883 Static void
884 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
885 {
886 	struct uvscom_softc *sc = addr;
887 
888 	if (lsr != NULL)
889 		*lsr = sc->sc_lsr;
890 	if (msr != NULL)
891 		*msr = sc->sc_msr;
892 }
893 
894