FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/uvscom.c
1 /* $NetBSD: uvscom.c,v 1.11 2004/01/05 13:28:18 augustss 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/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.11 2004/01/05 13:28:18 augustss Exp $");
39
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/fcntl.h>
45 #include <sys/conf.h>
46 #include <sys/tty.h>
47 #include <sys/file.h>
48 #if defined(__FreeBSD__)
49 #include <sys/bus.h>
50 #include <sys/ioccom.h>
51 #if __FreeBSD_version >= 500014
52 #include <sys/selinfo.h>
53 #else
54 #include <sys/select.h>
55 #endif
56 #else
57 #include <sys/ioctl.h>
58 #include <sys/device.h>
59 #endif
60 #include <sys/proc.h>
61 #include <sys/poll.h>
62
63 #include <dev/usb/usb.h>
64 #include <dev/usb/usbcdc.h>
65
66 #include <dev/usb/usbdi.h>
67 #include <dev/usb/usbdi_util.h>
68 #include <dev/usb/usbdevs.h>
69 #include <dev/usb/usb_quirks.h>
70
71 #include <dev/usb/ucomvar.h>
72
73 #ifdef UVSCOM_DEBUG
74 static int uvscomdebug = 1;
75
76 #if defined(__FreeBSD__)
77 #include <sys/sysctl.h>
78
79 SYSCTL_DECL(_debug_usb);
80 SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
81 &uvscomdebug, 0, "uvscom debug level");
82
83 #endif
84
85 #define DPRINTFN(n, x) do { \
86 if (uvscomdebug > (n)) \
87 logprintf x; \
88 } while (0)
89 #else
90 #define DPRINTFN(n, x)
91 #endif
92 #define DPRINTF(x) DPRINTFN(0, x)
93
94 #if defined(__FreeBSD__)
95 #define UVSCOM_MODVER 1 /* module version */
96 #endif
97
98 #define UVSCOM_CONFIG_INDEX 0
99 #define UVSCOM_IFACE_INDEX 0
100
101 #define UVSCOM_INTR_INTERVAL 100 /* mS */
102
103 #define UVSCOM_UNIT_WAIT 5
104
105 /* Request */
106 #define UVSCOM_SET_SPEED 0x10
107 #define UVSCOM_LINE_CTL 0x11
108 #define UVSCOM_SET_PARAM 0x12
109 #define UVSCOM_READ_STATUS 0xd0
110 #define UVSCOM_SHUTDOWN 0xe0
111
112 /* UVSCOM_SET_SPEED parameters */
113 #define UVSCOM_SPEED_150BPS 0x00
114 #define UVSCOM_SPEED_300BPS 0x01
115 #define UVSCOM_SPEED_600BPS 0x02
116 #define UVSCOM_SPEED_1200BPS 0x03
117 #define UVSCOM_SPEED_2400BPS 0x04
118 #define UVSCOM_SPEED_4800BPS 0x05
119 #define UVSCOM_SPEED_9600BPS 0x06
120 #define UVSCOM_SPEED_19200BPS 0x07
121 #define UVSCOM_SPEED_38400BPS 0x08
122 #define UVSCOM_SPEED_57600BPS 0x09
123 #define UVSCOM_SPEED_115200BPS 0x0a
124
125 /* UVSCOM_LINE_CTL parameters */
126 #define UVSCOM_BREAK 0x40
127 #define UVSCOM_RTS 0x02
128 #define UVSCOM_DTR 0x01
129 #define UVSCOM_LINE_INIT 0x08
130
131 /* UVSCOM_SET_PARAM parameters */
132 #define UVSCOM_DATA_MASK 0x03
133 #define UVSCOM_DATA_BIT_8 0x03
134 #define UVSCOM_DATA_BIT_7 0x02
135 #define UVSCOM_DATA_BIT_6 0x01
136 #define UVSCOM_DATA_BIT_5 0x00
137
138 #define UVSCOM_STOP_MASK 0x04
139 #define UVSCOM_STOP_BIT_2 0x04
140 #define UVSCOM_STOP_BIT_1 0x00
141
142 #define UVSCOM_PARITY_MASK 0x18
143 #define UVSCOM_PARITY_EVEN 0x18
144 #if 0
145 #define UVSCOM_PARITY_UNK 0x10
146 #endif
147 #define UVSCOM_PARITY_ODD 0x08
148 #define UVSCOM_PARITY_NONE 0x00
149
150 /* Status bits */
151 #define UVSCOM_TXRDY 0x04
152 #define UVSCOM_RXRDY 0x01
153
154 #define UVSCOM_DCD 0x08
155 #define UVSCOM_NOCARD 0x04
156 #define UVSCOM_DSR 0x02
157 #define UVSCOM_CTS 0x01
158 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
159
160 struct uvscom_softc {
161 USBBASEDEVICE sc_dev; /* base device */
162 usbd_device_handle sc_udev; /* USB device */
163 usbd_interface_handle sc_iface; /* interface */
164 int sc_iface_number;/* interface number */
165
166 usbd_interface_handle sc_intr_iface; /* interrupt interface */
167 int sc_intr_number; /* interrupt number */
168 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
169 u_char *sc_intr_buf; /* interrupt buffer */
170 int sc_isize;
171
172 u_char sc_dtr; /* current DTR state */
173 u_char sc_rts; /* current RTS state */
174
175 u_char sc_lsr; /* Local status register */
176 u_char sc_msr; /* uvscom status register */
177
178 uint16_t sc_lcr; /* Line control */
179 u_char sc_usr; /* unit status */
180
181 device_ptr_t sc_subdev; /* ucom device */
182 u_char sc_dying; /* disconnecting */
183 };
184
185 /*
186 * These are the maximum number of bytes transferred per frame.
187 * The output buffer size cannot be increased due to the size encoding.
188 */
189 #define UVSCOMIBUFSIZE 512
190 #define UVSCOMOBUFSIZE 64
191
192 Static usbd_status uvscom_readstat(struct uvscom_softc *);
193 Static usbd_status uvscom_shutdown(struct uvscom_softc *);
194 Static usbd_status uvscom_reset(struct uvscom_softc *);
195 Static usbd_status uvscom_set_line_coding(struct uvscom_softc *,
196 uint16_t, uint16_t);
197 Static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
198 Static usbd_status uvscom_set_crtscts(struct uvscom_softc *);
199 Static void uvscom_get_status(void *, int, u_char *, u_char *);
200 Static void uvscom_dtr(struct uvscom_softc *, int);
201 Static void uvscom_rts(struct uvscom_softc *, int);
202 Static void uvscom_break(struct uvscom_softc *, int);
203
204 Static void uvscom_set(void *, int, int, int);
205 Static void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
206 Static int uvscom_param(void *, int, struct termios *);
207 Static int uvscom_open(void *, int);
208 Static void uvscom_close(void *, int);
209
210 struct ucom_methods uvscom_methods = {
211 uvscom_get_status,
212 uvscom_set,
213 uvscom_param,
214 NULL, /* uvscom_ioctl, TODO */
215 uvscom_open,
216 uvscom_close,
217 NULL,
218 NULL
219 };
220
221 static const struct usb_devno uvscom_devs [] = {
222 /* SUNTAC U-Cable type D2 */
223 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
224 /* SUNTAC U-Cable type P1 */
225 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
226 /* SUNTAC Slipper U */
227 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
228 /* SUNTAC Ir-Trinity */
229 { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
230 };
231 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
232
233 USB_DECLARE_DRIVER(uvscom);
234
235 #ifdef __FreeBSD__
236 Static device_probe_t uvscom_match;
237 Static device_attach_t uvscom_attach;
238 Static device_detach_t uvscom_detach;
239
240 Static device_method_t uvscom_methods[] = {
241 /* Device interface */
242 DEVMETHOD(device_probe, uvscom_match),
243 DEVMETHOD(device_attach, uvscom_attach),
244 DEVMETHOD(device_detach, uvscom_detach),
245 { 0, 0 }
246 };
247
248 Static driver_t uvscom_driver = {
249 "usio",
250 uvscom_methods,
251 sizeof (struct uvscom_softc)
252 };
253
254 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
255 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
256 MODULE_VERSION(uvscom, UVSCOM_MODVER);
257 #endif
258
259 USB_MATCH(uvscom)
260 {
261 USB_MATCH_START(uvscom, uaa);
262
263 if (uaa->iface != NULL)
264 return (UMATCH_NONE);
265
266 return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
267 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
268 }
269
270 USB_ATTACH(uvscom)
271 {
272 USB_ATTACH_START(uvscom, sc, uaa);
273 usbd_device_handle dev = uaa->device;
274 usb_config_descriptor_t *cdesc;
275 usb_interface_descriptor_t *id;
276 usb_endpoint_descriptor_t *ed;
277 char devinfo[1024];
278 const char *devname = USBDEVNAME(sc->sc_dev);
279 usbd_status err;
280 int i;
281 struct ucom_attach_args uca;
282
283 usbd_devinfo(dev, 0, devinfo);
284 USB_ATTACH_SETUP;
285 printf("%s: %s\n", devname, devinfo);
286
287 sc->sc_udev = dev;
288
289 DPRINTF(("uvscom attach: sc = %p\n", sc));
290
291 /* initialize endpoints */
292 uca.bulkin = uca.bulkout = -1;
293 sc->sc_intr_number = -1;
294 sc->sc_intr_pipe = NULL;
295
296 /* Move the device into the configured state. */
297 err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
298 if (err) {
299 printf("%s: failed to set configuration, err=%s\n",
300 devname, usbd_errstr(err));
301 sc->sc_dying = 1;
302 USB_ATTACH_ERROR_RETURN;
303 }
304
305 /* get the config descriptor */
306 cdesc = usbd_get_config_descriptor(sc->sc_udev);
307
308 if (cdesc == NULL) {
309 printf("%s: failed to get configuration descriptor\n",
310 USBDEVNAME(sc->sc_dev));
311 sc->sc_dying = 1;
312 USB_ATTACH_ERROR_RETURN;
313 }
314
315 /* get the common interface */
316 err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
317 &sc->sc_iface);
318 if (err) {
319 printf("%s: failed to get interface, err=%s\n",
320 devname, usbd_errstr(err));
321 sc->sc_dying = 1;
322 USB_ATTACH_ERROR_RETURN;
323 }
324
325 id = usbd_get_interface_descriptor(sc->sc_iface);
326 sc->sc_iface_number = id->bInterfaceNumber;
327
328 /* Find endpoints */
329 for (i = 0; i < id->bNumEndpoints; i++) {
330 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
331 if (ed == NULL) {
332 printf("%s: no endpoint descriptor for %d\n",
333 USBDEVNAME(sc->sc_dev), i);
334 sc->sc_dying = 1;
335 USB_ATTACH_ERROR_RETURN;
336 }
337
338 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
339 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
340 uca.bulkin = ed->bEndpointAddress;
341 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
342 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
343 uca.bulkout = ed->bEndpointAddress;
344 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
345 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
346 sc->sc_intr_number = ed->bEndpointAddress;
347 sc->sc_isize = UGETW(ed->wMaxPacketSize);
348 }
349 }
350
351 if (uca.bulkin == -1) {
352 printf("%s: Could not find data bulk in\n",
353 USBDEVNAME(sc->sc_dev));
354 sc->sc_dying = 1;
355 USB_ATTACH_ERROR_RETURN;
356 }
357 if (uca.bulkout == -1) {
358 printf("%s: Could not find data bulk out\n",
359 USBDEVNAME(sc->sc_dev));
360 sc->sc_dying = 1;
361 USB_ATTACH_ERROR_RETURN;
362 }
363 if (sc->sc_intr_number == -1) {
364 printf("%s: Could not find interrupt in\n",
365 USBDEVNAME(sc->sc_dev));
366 sc->sc_dying = 1;
367 USB_ATTACH_ERROR_RETURN;
368 }
369
370 sc->sc_dtr = sc->sc_rts = 0;
371 sc->sc_lcr = UVSCOM_LINE_INIT;
372
373 uca.portno = UCOM_UNK_PORTNO;
374 /* bulkin, bulkout set above */
375 uca.ibufsize = UVSCOMIBUFSIZE;
376 uca.obufsize = UVSCOMOBUFSIZE;
377 uca.ibufsizepad = UVSCOMIBUFSIZE;
378 uca.opkthdrlen = 0;
379 uca.device = dev;
380 uca.iface = sc->sc_iface;
381 uca.methods = &uvscom_methods;
382 uca.arg = sc;
383 uca.info = NULL;
384
385 err = uvscom_reset(sc);
386
387 if (err) {
388 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
389 usbd_errstr(err));
390 sc->sc_dying = 1;
391 USB_ATTACH_ERROR_RETURN;
392 }
393
394 DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
395 ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
396
397 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
398 USBDEV(sc->sc_dev));
399
400 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
401 uca.bulkin, uca.bulkout, sc->sc_intr_number ));
402 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
403
404 USB_ATTACH_SUCCESS_RETURN;
405 }
406
407 USB_DETACH(uvscom)
408 {
409 USB_DETACH_START(uvscom, sc);
410 int rv = 0;
411
412 DPRINTF(("uvscom_detach: sc = %p\n", sc));
413
414 sc->sc_dying = 1;
415
416 if (sc->sc_intr_pipe != NULL) {
417 usbd_abort_pipe(sc->sc_intr_pipe);
418 usbd_close_pipe(sc->sc_intr_pipe);
419 free(sc->sc_intr_buf, M_USBDEV);
420 sc->sc_intr_pipe = NULL;
421 }
422
423 sc->sc_dying = 1;
424 if (sc->sc_subdev != NULL) {
425 rv = config_detach(sc->sc_subdev, flags);
426 sc->sc_subdev = NULL;
427 }
428
429 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
430 USBDEV(sc->sc_dev));
431
432 return (rv);
433 }
434
435 int
436 uvscom_activate(device_ptr_t self, enum devact act)
437 {
438 struct uvscom_softc *sc = (struct uvscom_softc *)self;
439 int rv = 0;
440
441 switch (act) {
442 case DVACT_ACTIVATE:
443 return (EOPNOTSUPP);
444
445 case DVACT_DEACTIVATE:
446 if (sc->sc_subdev != NULL)
447 rv = config_deactivate(sc->sc_subdev);
448 sc->sc_dying = 1;
449 break;
450 }
451 return (rv);
452 }
453
454 Static usbd_status
455 uvscom_readstat(struct uvscom_softc *sc)
456 {
457 usb_device_request_t req;
458 usbd_status err;
459 uint16_t r;
460
461 DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev)));
462
463 req.bmRequestType = UT_READ_VENDOR_DEVICE;
464 req.bRequest = UVSCOM_READ_STATUS;
465 USETW(req.wValue, 0);
466 USETW(req.wIndex, 0);
467 USETW(req.wLength, 2);
468
469 err = usbd_do_request(sc->sc_udev, &req, &r);
470 if (err) {
471 printf("%s: uvscom_readstat: %s\n",
472 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
473 return (err);
474 }
475
476 DPRINTF(("%s: uvscom_readstat: r = %d\n",
477 USBDEVNAME(sc->sc_dev), r));
478
479 return (USBD_NORMAL_COMPLETION);
480 }
481
482 Static usbd_status
483 uvscom_shutdown(struct uvscom_softc *sc)
484 {
485 usb_device_request_t req;
486 usbd_status err;
487
488 DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev)));
489
490 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
491 req.bRequest = UVSCOM_SHUTDOWN;
492 USETW(req.wValue, 0);
493 USETW(req.wIndex, 0);
494 USETW(req.wLength, 0);
495
496 err = usbd_do_request(sc->sc_udev, &req, NULL);
497 if (err) {
498 printf("%s: uvscom_shutdown: %s\n",
499 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
500 return (err);
501 }
502
503 return (USBD_NORMAL_COMPLETION);
504 }
505
506 Static usbd_status
507 uvscom_reset(struct uvscom_softc *sc)
508 {
509 DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev)));
510
511 return (USBD_NORMAL_COMPLETION);
512 }
513
514 Static usbd_status
515 uvscom_set_crtscts(struct uvscom_softc *sc)
516 {
517 DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev)));
518
519 return (USBD_NORMAL_COMPLETION);
520 }
521
522 Static usbd_status
523 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
524 {
525 usb_device_request_t req;
526 usbd_status err;
527
528 DPRINTF(("%s: uvscom_set_line: %04x\n",
529 USBDEVNAME(sc->sc_dev), line));
530
531 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
532 req.bRequest = UVSCOM_LINE_CTL;
533 USETW(req.wValue, line);
534 USETW(req.wIndex, 0);
535 USETW(req.wLength, 0);
536
537 err = usbd_do_request(sc->sc_udev, &req, NULL);
538 if (err) {
539 printf("%s: uvscom_set_line: %s\n",
540 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
541 return (err);
542 }
543
544 return (USBD_NORMAL_COMPLETION);
545 }
546
547 Static usbd_status
548 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
549 {
550 usb_device_request_t req;
551 usbd_status err;
552
553 DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
554 USBDEVNAME(sc->sc_dev), lsp, ls));
555
556 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
557 req.bRequest = UVSCOM_SET_SPEED;
558 USETW(req.wValue, lsp);
559 USETW(req.wIndex, 0);
560 USETW(req.wLength, 0);
561
562 err = usbd_do_request(sc->sc_udev, &req, NULL);
563 if (err) {
564 printf("%s: uvscom_set_line_coding: %s\n",
565 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
566 return (err);
567 }
568
569 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
570 req.bRequest = UVSCOM_SET_PARAM;
571 USETW(req.wValue, ls);
572 USETW(req.wIndex, 0);
573 USETW(req.wLength, 0);
574
575 err = usbd_do_request(sc->sc_udev, &req, NULL);
576 if (err) {
577 printf("%s: uvscom_set_line_coding: %s\n",
578 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
579 return (err);
580 }
581
582 return (USBD_NORMAL_COMPLETION);
583 }
584
585 Static void
586 uvscom_dtr(struct uvscom_softc *sc, int onoff)
587 {
588 DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
589 USBDEVNAME(sc->sc_dev), onoff));
590
591 if (sc->sc_dtr == onoff)
592 return; /* no change */
593
594 sc->sc_dtr = onoff;
595
596 if (onoff)
597 SET(sc->sc_lcr, UVSCOM_DTR);
598 else
599 CLR(sc->sc_lcr, UVSCOM_DTR);
600
601 uvscom_set_line(sc, sc->sc_lcr);
602 }
603
604 Static void
605 uvscom_rts(struct uvscom_softc *sc, int onoff)
606 {
607 DPRINTF(("%s: uvscom_rts: onoff = %d\n",
608 USBDEVNAME(sc->sc_dev), onoff));
609
610 if (sc->sc_rts == onoff)
611 return; /* no change */
612
613 sc->sc_rts = onoff;
614
615 if (onoff)
616 SET(sc->sc_lcr, UVSCOM_RTS);
617 else
618 CLR(sc->sc_lcr, UVSCOM_RTS);
619
620 uvscom_set_line(sc, sc->sc_lcr);
621 }
622
623 Static void
624 uvscom_break(struct uvscom_softc *sc, int onoff)
625 {
626 DPRINTF(("%s: uvscom_break: onoff = %d\n",
627 USBDEVNAME(sc->sc_dev), onoff));
628
629 if (onoff)
630 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
631 }
632
633 Static void
634 uvscom_set(void *addr, int portno, int reg, int onoff)
635 {
636 struct uvscom_softc *sc = addr;
637
638 switch (reg) {
639 case UCOM_SET_DTR:
640 uvscom_dtr(sc, onoff);
641 break;
642 case UCOM_SET_RTS:
643 uvscom_rts(sc, onoff);
644 break;
645 case UCOM_SET_BREAK:
646 uvscom_break(sc, onoff);
647 break;
648 default:
649 break;
650 }
651 }
652
653 Static int
654 uvscom_param(void *addr, int portno, struct termios *t)
655 {
656 struct uvscom_softc *sc = addr;
657 usbd_status err;
658 uint16_t lsp;
659 uint16_t ls;
660
661 DPRINTF(("%s: uvscom_param: sc = %p\n",
662 USBDEVNAME(sc->sc_dev), sc));
663
664 ls = 0;
665
666 switch (t->c_ospeed) {
667 case B150:
668 lsp = UVSCOM_SPEED_150BPS;
669 break;
670 case B300:
671 lsp = UVSCOM_SPEED_300BPS;
672 break;
673 case B600:
674 lsp = UVSCOM_SPEED_600BPS;
675 break;
676 case B1200:
677 lsp = UVSCOM_SPEED_1200BPS;
678 break;
679 case B2400:
680 lsp = UVSCOM_SPEED_2400BPS;
681 break;
682 case B4800:
683 lsp = UVSCOM_SPEED_4800BPS;
684 break;
685 case B9600:
686 lsp = UVSCOM_SPEED_9600BPS;
687 break;
688 case B19200:
689 lsp = UVSCOM_SPEED_19200BPS;
690 break;
691 case B38400:
692 lsp = UVSCOM_SPEED_38400BPS;
693 break;
694 case B57600:
695 lsp = UVSCOM_SPEED_57600BPS;
696 break;
697 case B115200:
698 lsp = UVSCOM_SPEED_115200BPS;
699 break;
700 default:
701 return (EIO);
702 }
703
704 if (ISSET(t->c_cflag, CSTOPB))
705 SET(ls, UVSCOM_STOP_BIT_2);
706 else
707 SET(ls, UVSCOM_STOP_BIT_1);
708
709 if (ISSET(t->c_cflag, PARENB)) {
710 if (ISSET(t->c_cflag, PARODD))
711 SET(ls, UVSCOM_PARITY_ODD);
712 else
713 SET(ls, UVSCOM_PARITY_EVEN);
714 } else
715 SET(ls, UVSCOM_PARITY_NONE);
716
717 switch (ISSET(t->c_cflag, CSIZE)) {
718 case CS5:
719 SET(ls, UVSCOM_DATA_BIT_5);
720 break;
721 case CS6:
722 SET(ls, UVSCOM_DATA_BIT_6);
723 break;
724 case CS7:
725 SET(ls, UVSCOM_DATA_BIT_7);
726 break;
727 case CS8:
728 SET(ls, UVSCOM_DATA_BIT_8);
729 break;
730 default:
731 return (EIO);
732 }
733
734 err = uvscom_set_line_coding(sc, lsp, ls);
735 if (err)
736 return (EIO);
737
738 if (ISSET(t->c_cflag, CRTSCTS)) {
739 err = uvscom_set_crtscts(sc);
740 if (err)
741 return (EIO);
742 }
743
744 return (0);
745 }
746
747 Static int
748 uvscom_open(void *addr, int portno)
749 {
750 struct uvscom_softc *sc = addr;
751 int err;
752 int i;
753
754 if (sc->sc_dying)
755 return (EIO);
756
757 DPRINTF(("uvscom_open: sc = %p\n", sc));
758
759 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
760 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
761
762 sc->sc_usr = 0; /* clear unit status */
763
764 err = uvscom_readstat(sc);
765 if (err) {
766 DPRINTF(("%s: uvscom_open: readstat faild\n",
767 USBDEVNAME(sc->sc_dev)));
768 return (EIO);
769 }
770
771 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
772 err = usbd_open_pipe_intr(sc->sc_iface,
773 sc->sc_intr_number,
774 USBD_SHORT_XFER_OK,
775 &sc->sc_intr_pipe,
776 sc,
777 sc->sc_intr_buf,
778 sc->sc_isize,
779 uvscom_intr,
780 UVSCOM_INTR_INTERVAL);
781 if (err) {
782 printf("%s: cannot open interrupt pipe (addr %d)\n",
783 USBDEVNAME(sc->sc_dev),
784 sc->sc_intr_number);
785 return (EIO);
786 }
787 } else {
788 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
789 }
790
791 if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
792 /* unit is not ready */
793
794 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
795 tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */
796 if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
797 break;
798 }
799 if (i == 0) {
800 DPRINTF(("%s: unit is not ready\n",
801 USBDEVNAME(sc->sc_dev)));
802 return (EIO);
803 }
804
805 /* check PC card was inserted */
806 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
807 DPRINTF(("%s: no card\n",
808 USBDEVNAME(sc->sc_dev)));
809 return (EIO);
810 }
811 }
812
813 return (0);
814 }
815
816 Static void
817 uvscom_close(void *addr, int portno)
818 {
819 struct uvscom_softc *sc = addr;
820 int err;
821
822 if (sc->sc_dying)
823 return;
824
825 DPRINTF(("uvscom_close: close\n"));
826
827 uvscom_shutdown(sc);
828
829 if (sc->sc_intr_pipe != NULL) {
830 err = usbd_abort_pipe(sc->sc_intr_pipe);
831 if (err)
832 printf("%s: abort interrupt pipe failed: %s\n",
833 USBDEVNAME(sc->sc_dev),
834 usbd_errstr(err));
835 err = usbd_close_pipe(sc->sc_intr_pipe);
836 if (err)
837 printf("%s: close interrupt pipe failed: %s\n",
838 USBDEVNAME(sc->sc_dev),
839 usbd_errstr(err));
840 free(sc->sc_intr_buf, M_USBDEV);
841 sc->sc_intr_pipe = NULL;
842 }
843 }
844
845 Static void
846 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
847 {
848 struct uvscom_softc *sc = priv;
849 u_char *buf = sc->sc_intr_buf;
850 u_char pstatus;
851
852 if (sc->sc_dying)
853 return;
854
855 if (status != USBD_NORMAL_COMPLETION) {
856 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
857 return;
858
859 printf("%s: uvscom_intr: abnormal status: %s\n",
860 USBDEVNAME(sc->sc_dev),
861 usbd_errstr(status));
862 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
863 return;
864 }
865
866 DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
867 USBDEVNAME(sc->sc_dev), buf[0], buf[1]));
868
869 sc->sc_lsr = sc->sc_msr = 0;
870 sc->sc_usr = buf[1];
871
872 pstatus = buf[0];
873 if (ISSET(pstatus, UVSCOM_TXRDY))
874 SET(sc->sc_lsr, ULSR_TXRDY);
875 if (ISSET(pstatus, UVSCOM_RXRDY))
876 SET(sc->sc_lsr, ULSR_RXRDY);
877
878 pstatus = buf[1];
879 if (ISSET(pstatus, UVSCOM_CTS))
880 SET(sc->sc_msr, UMSR_CTS);
881 if (ISSET(pstatus, UVSCOM_DSR))
882 SET(sc->sc_msr, UMSR_DSR);
883 if (ISSET(pstatus, UVSCOM_DCD))
884 SET(sc->sc_msr, UMSR_DCD);
885
886 ucom_status_change((struct ucom_softc *) sc->sc_subdev);
887 }
888
889 Static void
890 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
891 {
892 struct uvscom_softc *sc = addr;
893
894 if (lsr != NULL)
895 *lsr = sc->sc_lsr;
896 if (msr != NULL)
897 *msr = sc->sc_msr;
898 }
899
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