1 /* $OpenBSD: uplcom.c,v 1.22 2005/05/23 21:20:14 deraadt Exp $ */
2 /* $NetBSD: uplcom.c,v 1.29 2002/09/23 05:51:23 simonb Exp $ */
3 /*
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Ichiro FUKUHARA (ichiro@ichiro.org).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Simple datasheet
41 * http://www.prolific.com.tw/PDF/PL-2303%20Market%20Spec.pdf
42 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf
43 * (english)
44 *
45 */
46
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
50 #include <sys/malloc.h>
51 #include <sys/ioctl.h>
52 #include <sys/conf.h>
53 #include <sys/tty.h>
54 #include <sys/file.h>
55 #include <sys/select.h>
56 #include <sys/proc.h>
57 #include <sys/vnode.h>
58 #include <sys/device.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/usbdevs.h>
70 #include <dev/usb/ucomvar.h>
71
72 #ifdef UPLCOM_DEBUG
73 #define DPRINTFN(n, x) do { if (uplcomdebug > (n)) logprintf x; } while (0)
74 int uplcomdebug = 0;
75 #else
76 #define DPRINTFN(n, x)
77 #endif
78 #define DPRINTF(x) DPRINTFN(0, x)
79
80 #define UPLCOM_CONFIG_INDEX 0
81 #define UPLCOM_IFACE_INDEX 0
82 #define UPLCOM_SECOND_IFACE_INDEX 1
83
84 #define UPLCOM_SET_REQUEST 0x01
85 #define UPLCOM_SET_CRTSCTS 0x41
86 #define UPLCOM_HX_SET_CRTSCTS 0x61
87 #define RSAQ_STATUS_CTS 0x80
88 #define RSAQ_STATUS_DSR 0x02
89 #define RSAQ_STATUS_DCD 0x01
90
91 #define UPLCOM_FLOW_OUT_CTS 0x0001
92 #define UPLCOM_FLOW_OUT_DSR 0x0002
93 #define UPLCOM_FLOW_IN_DSR 0x0004
94 #define UPLCOM_FLOW_IN_DTR 0x0008
95 #define UPLCOM_FLOW_IN_RTS 0x0010
96 #define UPLCOM_FLOW_OUT_RTS 0x0020
97 #define UPLCOM_FLOW_OUT_XON 0x0080
98 #define UPLCOM_FLOW_IN_XON 0x0100
99
100 struct uplcom_softc {
101 USBBASEDEVICE sc_dev; /* base device */
102 usbd_device_handle sc_udev; /* USB device */
103 usbd_interface_handle sc_iface; /* interface */
104 int sc_iface_number; /* interface number */
105
106 usbd_interface_handle sc_intr_iface; /* interrupt interface */
107 int sc_intr_number; /* interrupt number */
108 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
109 u_char *sc_intr_buf; /* interrupt buffer */
110 int sc_isize;
111
112 usb_cdc_line_state_t sc_line_state; /* current line state */
113 int sc_dtr; /* current DTR state */
114 int sc_rts; /* current RTS state */
115
116 device_ptr_t sc_subdev; /* ucom device */
117
118 u_char sc_dying; /* disconnecting */
119
120 u_char sc_lsr; /* Local status register */
121 u_char sc_msr; /* uplcom status register */
122 int sc_type_hx; /* HX variant */
123 };
124
125 /*
126 * These are the maximum number of bytes transferred per frame.
127 * The output buffer size cannot be increased due to the size encoding.
128 */
129 #define UPLCOMIBUFSIZE 256
130 #define UPLCOMOBUFSIZE 256
131
132 Static usbd_status uplcom_reset(struct uplcom_softc *);
133 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc,
134 usb_cdc_line_state_t *state);
135 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *);
136 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
137
138 Static void uplcom_set(void *, int, int, int);
139 Static void uplcom_dtr(struct uplcom_softc *, int);
140 Static void uplcom_rts(struct uplcom_softc *, int);
141 Static void uplcom_break(struct uplcom_softc *, int);
142 Static void uplcom_set_line_state(struct uplcom_softc *);
143 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr);
144 #if TODO
145 Static int uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
146 #endif
147 Static int uplcom_param(void *, int, struct termios *);
148 Static int uplcom_open(void *, int);
149 Static void uplcom_close(void *, int);
150
151 struct ucom_methods uplcom_methods = {
152 uplcom_get_status,
153 uplcom_set,
154 uplcom_param,
155 NULL, /* uplcom_ioctl, TODO */
156 uplcom_open,
157 uplcom_close,
158 NULL,
159 NULL,
160 };
161
162 static const struct usb_devno uplcom_devs[] = {
163 /* I/O DATA USB-RSAQ2 */
164 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 },
165 /* I/O DATA USB-RSAQ */
166 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ },
167 /* PLANEX USB-RS232 URS-03 */
168 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A },
169 /* IOGEAR/ATEN UC-232A */
170 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 },
171 /* IOGEAR/ATENTRIPPLITE U209 */
172 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 },
173 /* ELECOM UC-SGT */
174 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT },
175 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 },
176 /* RATOC REX-USB60 */
177 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 },
178 /* TDK USB-PHS Adapter UHA6400 */
179 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 },
180 /* TDK USB-PDC Adapter UPA9664 */
181 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 },
182 /* Ericsson DCU-10 & DCU-11, made by Susteen, Inc. */
183 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU11 },
184 /* Sitecom USB to Serial. */
185 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 },
186 /* Pharos USB GPS - Microsoft version */
187 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X },
188 /* SOURCENEXT KeikaiDenwa 8 */
189 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 },
190 /* SOURCENEXT KeikaiDenwa 8 with charger */
191 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG },
192 /* HAL Corporation Crossam2+USB */
193 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 },
194 /* AirPrime CDMA Wireless EVDO card */
195 { USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_PC5220 },
196 };
197 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p)
198
199 USB_DECLARE_DRIVER(uplcom);
200
USB_MATCH(uplcom)201 USB_MATCH(uplcom)
202 {
203 USB_MATCH_START(uplcom, uaa);
204
205 if (uaa->iface != NULL)
206 return (UMATCH_NONE);
207
208 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ?
209 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
210 }
211
USB_ATTACH(uplcom)212 USB_ATTACH(uplcom)
213 {
214 USB_ATTACH_START(uplcom, sc, uaa);
215 usbd_device_handle dev = uaa->device;
216 usb_config_descriptor_t *cdesc;
217 usb_device_descriptor_t *ddesc;
218 usb_interface_descriptor_t *id;
219 usb_endpoint_descriptor_t *ed;
220
221 char devinfo[1024];
222 char *devname = USBDEVNAME(sc->sc_dev);
223 usbd_status err;
224 int i;
225 struct ucom_attach_args uca;
226
227 usbd_devinfo(dev, 0, devinfo, sizeof devinfo);
228 USB_ATTACH_SETUP;
229 printf("%s: %s\n", devname, devinfo);
230
231 sc->sc_udev = dev;
232
233 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc));
234
235 /* initialize endpoints */
236 uca.bulkin = uca.bulkout = -1;
237 sc->sc_intr_number = -1;
238 sc->sc_intr_pipe = NULL;
239
240 /* Move the device into the configured state. */
241 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
242 if (err) {
243 printf("\n%s: failed to set configuration, err=%s\n",
244 devname, usbd_errstr(err));
245 sc->sc_dying = 1;
246 USB_ATTACH_ERROR_RETURN;
247 }
248
249 /* get the config descriptor */
250 cdesc = usbd_get_config_descriptor(sc->sc_udev);
251
252 if (cdesc == NULL) {
253 printf("%s: failed to get configuration descriptor\n",
254 USBDEVNAME(sc->sc_dev));
255 sc->sc_dying = 1;
256 USB_ATTACH_ERROR_RETURN;
257 }
258
259 /* get the device descriptor */
260 ddesc = usbd_get_device_descriptor(sc->sc_udev);
261 if (ddesc == NULL) {
262 printf("%s: failed to get device descriptor\n",
263 USBDEVNAME(sc->sc_dev));
264 sc->sc_dying = 1;
265 USB_ATTACH_ERROR_RETURN;
266 }
267
268 /*
269 * The Linux driver suggest this will only be true for the HX
270 * variants. The datasheets disagree.
271 */
272 if (ddesc->bMaxPacketSize == 0x40) {
273 DPRINTF(("%s: Assuming HX variant\n", USBDEVNAME(sc->sc_dev)));
274 sc->sc_type_hx = 1;
275 } else
276 sc->sc_type_hx = 0;
277
278 /* get the (first/common) interface */
279 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
280 &sc->sc_iface);
281 if (err) {
282 printf("\n%s: failed to get interface, err=%s\n",
283 devname, usbd_errstr(err));
284 sc->sc_dying = 1;
285 USB_ATTACH_ERROR_RETURN;
286 }
287
288 /* Find the interrupt endpoints */
289
290 id = usbd_get_interface_descriptor(sc->sc_iface);
291 sc->sc_iface_number = id->bInterfaceNumber;
292
293 for (i = 0; i < id->bNumEndpoints; i++) {
294 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
295 if (ed == NULL) {
296 printf("%s: no endpoint descriptor for %d\n",
297 USBDEVNAME(sc->sc_dev), i);
298 sc->sc_dying = 1;
299 USB_ATTACH_ERROR_RETURN;
300 }
301
302 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
303 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
304 sc->sc_intr_number = ed->bEndpointAddress;
305 sc->sc_isize = UGETW(ed->wMaxPacketSize);
306 }
307 }
308
309 if (sc->sc_intr_number== -1) {
310 printf("%s: Could not find interrupt in\n",
311 USBDEVNAME(sc->sc_dev));
312 sc->sc_dying = 1;
313 USB_ATTACH_ERROR_RETURN;
314 }
315
316 /* keep interface for interrupt */
317 sc->sc_intr_iface = sc->sc_iface;
318
319 /*
320 * USB-RSAQ1 has two interface
321 *
322 * USB-RSAQ1 | USB-RSAQ2
323 * -----------------+-----------------
324 * Interface 0 |Interface 0
325 * Interrupt(0x81) | Interrupt(0x81)
326 * -----------------+ BulkIN(0x02)
327 * Interface 1 | BulkOUT(0x83)
328 * BulkIN(0x02) |
329 * BulkOUT(0x83) |
330 */
331 if (cdesc->bNumInterface == 2) {
332 err = usbd_device2interface_handle(dev,
333 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface);
334 if (err) {
335 printf("\n%s: failed to get second interface, err=%s\n",
336 devname, usbd_errstr(err));
337 sc->sc_dying = 1;
338 USB_ATTACH_ERROR_RETURN;
339 }
340 }
341
342 /* Find the bulk{in,out} endpoints */
343
344 id = usbd_get_interface_descriptor(sc->sc_iface);
345 sc->sc_iface_number = id->bInterfaceNumber;
346
347 for (i = 0; i < id->bNumEndpoints; i++) {
348 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
349 if (ed == NULL) {
350 printf("%s: no endpoint descriptor for %d\n",
351 USBDEVNAME(sc->sc_dev), i);
352 sc->sc_dying = 1;
353 USB_ATTACH_ERROR_RETURN;
354 }
355
356 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
357 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
358 uca.bulkin = ed->bEndpointAddress;
359 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
360 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
361 uca.bulkout = ed->bEndpointAddress;
362 }
363 }
364
365 if (uca.bulkin == -1) {
366 printf("%s: Could not find data bulk in\n",
367 USBDEVNAME(sc->sc_dev));
368 sc->sc_dying = 1;
369 USB_ATTACH_ERROR_RETURN;
370 }
371
372 if (uca.bulkout == -1) {
373 printf("%s: Could not find data bulk out\n",
374 USBDEVNAME(sc->sc_dev));
375 sc->sc_dying = 1;
376 USB_ATTACH_ERROR_RETURN;
377 }
378
379 sc->sc_dtr = sc->sc_rts = -1;
380 uca.portno = UCOM_UNK_PORTNO;
381 /* bulkin, bulkout set above */
382 uca.ibufsize = UPLCOMIBUFSIZE;
383 uca.obufsize = UPLCOMOBUFSIZE;
384 uca.ibufsizepad = UPLCOMIBUFSIZE;
385 uca.opkthdrlen = 0;
386 uca.device = dev;
387 uca.iface = sc->sc_iface;
388 uca.methods = &uplcom_methods;
389 uca.arg = sc;
390 uca.info = NULL;
391
392 err = uplcom_reset(sc);
393
394 if (err) {
395 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
396 usbd_errstr(err));
397 sc->sc_dying = 1;
398 USB_ATTACH_ERROR_RETURN;
399 }
400
401 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
402 USBDEV(sc->sc_dev));
403
404 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
405 uca.bulkin, uca.bulkout, sc->sc_intr_number ));
406 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
407
408 USB_ATTACH_SUCCESS_RETURN;
409 }
410
USB_DETACH(uplcom)411 USB_DETACH(uplcom)
412 {
413 USB_DETACH_START(uplcom, sc);
414 int rv = 0;
415
416 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags));
417
418 if (sc->sc_intr_pipe != NULL) {
419 usbd_abort_pipe(sc->sc_intr_pipe);
420 usbd_close_pipe(sc->sc_intr_pipe);
421 free(sc->sc_intr_buf, M_USBDEV);
422 sc->sc_intr_pipe = NULL;
423 }
424
425 sc->sc_dying = 1;
426 if (sc->sc_subdev != NULL) {
427 rv = config_detach(sc->sc_subdev, flags);
428 sc->sc_subdev = NULL;
429 }
430
431 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
432 USBDEV(sc->sc_dev));
433
434 return (rv);
435 }
436
437 int
uplcom_activate(device_ptr_t self,enum devact act)438 uplcom_activate(device_ptr_t self, enum devact act)
439 {
440 struct uplcom_softc *sc = (struct uplcom_softc *)self;
441 int rv = 0;
442
443 switch (act) {
444 case DVACT_ACTIVATE:
445 return (EOPNOTSUPP);
446
447 case DVACT_DEACTIVATE:
448 if (sc->sc_subdev != NULL)
449 rv = config_deactivate(sc->sc_subdev);
450 sc->sc_dying = 1;
451 break;
452 }
453 return (rv);
454 }
455
456 usbd_status
uplcom_reset(struct uplcom_softc * sc)457 uplcom_reset(struct uplcom_softc *sc)
458 {
459 usb_device_request_t req;
460 usbd_status err;
461
462 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
463 req.bRequest = UPLCOM_SET_REQUEST;
464 USETW(req.wValue, 0);
465 USETW(req.wIndex, sc->sc_iface_number);
466 USETW(req.wLength, 0);
467
468 err = usbd_do_request(sc->sc_udev, &req, 0);
469 if (err)
470 return (EIO);
471
472 return (0);
473 }
474
475 void
uplcom_set_line_state(struct uplcom_softc * sc)476 uplcom_set_line_state(struct uplcom_softc *sc)
477 {
478 usb_device_request_t req;
479 int ls;
480
481 /* Make sure we have initialized state for sc_dtr and sc_rts */
482 if (sc->sc_dtr == -1)
483 sc->sc_dtr = 0;
484 if (sc->sc_rts == -1)
485 sc->sc_rts = 0;
486
487 ls = (sc->sc_dtr ? UPLCOM_FLOW_OUT_DSR : 0) |
488 (sc->sc_rts ? UPLCOM_FLOW_OUT_CTS : 0);
489
490 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
491 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
492 USETW(req.wValue, ls);
493 USETW(req.wIndex, sc->sc_iface_number);
494 USETW(req.wLength, 0);
495
496 (void)usbd_do_request(sc->sc_udev, &req, 0);
497
498 }
499
500 void
uplcom_set(void * addr,int portno,int reg,int onoff)501 uplcom_set(void *addr, int portno, int reg, int onoff)
502 {
503 struct uplcom_softc *sc = addr;
504
505 switch (reg) {
506 case UCOM_SET_DTR:
507 uplcom_dtr(sc, onoff);
508 break;
509 case UCOM_SET_RTS:
510 uplcom_rts(sc, onoff);
511 break;
512 case UCOM_SET_BREAK:
513 uplcom_break(sc, onoff);
514 break;
515 default:
516 break;
517 }
518 }
519
520 void
uplcom_dtr(struct uplcom_softc * sc,int onoff)521 uplcom_dtr(struct uplcom_softc *sc, int onoff)
522 {
523
524 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff));
525
526 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff)
527 return;
528
529 sc->sc_dtr = !!onoff;
530
531 uplcom_set_line_state(sc);
532 }
533
534 void
uplcom_rts(struct uplcom_softc * sc,int onoff)535 uplcom_rts(struct uplcom_softc *sc, int onoff)
536 {
537 DPRINTF(("uplcom_rts: onoff=%d\n", onoff));
538
539 if (sc->sc_rts == -1 && !sc->sc_rts == !onoff)
540 return;
541
542 sc->sc_rts = !!onoff;
543
544 uplcom_set_line_state(sc);
545 }
546
547 void
uplcom_break(struct uplcom_softc * sc,int onoff)548 uplcom_break(struct uplcom_softc *sc, int onoff)
549 {
550 usb_device_request_t req;
551
552 DPRINTF(("uplcom_break: onoff=%d\n", onoff));
553
554 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
555 req.bRequest = UCDC_SEND_BREAK;
556 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
557 USETW(req.wIndex, sc->sc_iface_number);
558 USETW(req.wLength, 0);
559
560 (void)usbd_do_request(sc->sc_udev, &req, 0);
561 }
562
563 usbd_status
uplcom_set_crtscts(struct uplcom_softc * sc)564 uplcom_set_crtscts(struct uplcom_softc *sc)
565 {
566 usb_device_request_t req;
567 usbd_status err;
568
569 DPRINTF(("uplcom_set_crtscts: on\n"));
570
571 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
572 req.bRequest = UPLCOM_SET_REQUEST;
573 USETW(req.wValue, 0);
574 USETW(req.wIndex,
575 (sc->sc_type_hx ? UPLCOM_HX_SET_CRTSCTS : UPLCOM_SET_CRTSCTS));
576 USETW(req.wLength, 0);
577
578 err = usbd_do_request(sc->sc_udev, &req, 0);
579 if (err) {
580 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n",
581 usbd_errstr(err)));
582 return (err);
583 }
584
585 return (USBD_NORMAL_COMPLETION);
586 }
587
588 usbd_status
uplcom_set_line_coding(struct uplcom_softc * sc,usb_cdc_line_state_t * state)589 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
590 {
591 usb_device_request_t req;
592 usbd_status err;
593
594 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
595 UGETDW(state->dwDTERate), state->bCharFormat,
596 state->bParityType, state->bDataBits));
597
598 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
599 DPRINTF(("uplcom_set_line_coding: already set\n"));
600 return (USBD_NORMAL_COMPLETION);
601 }
602
603 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
604 req.bRequest = UCDC_SET_LINE_CODING;
605 USETW(req.wValue, 0);
606 USETW(req.wIndex, sc->sc_iface_number);
607 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
608
609 err = usbd_do_request(sc->sc_udev, &req, state);
610 if (err) {
611 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n",
612 usbd_errstr(err)));
613 return (err);
614 }
615
616 sc->sc_line_state = *state;
617
618 return (USBD_NORMAL_COMPLETION);
619 }
620
621 int
uplcom_param(void * addr,int portno,struct termios * t)622 uplcom_param(void *addr, int portno, struct termios *t)
623 {
624 struct uplcom_softc *sc = addr;
625 usbd_status err;
626 usb_cdc_line_state_t ls;
627
628 DPRINTF(("uplcom_param: sc=%p\n", sc));
629
630 USETDW(ls.dwDTERate, t->c_ospeed);
631 if (ISSET(t->c_cflag, CSTOPB))
632 ls.bCharFormat = UCDC_STOP_BIT_2;
633 else
634 ls.bCharFormat = UCDC_STOP_BIT_1;
635 if (ISSET(t->c_cflag, PARENB)) {
636 if (ISSET(t->c_cflag, PARODD))
637 ls.bParityType = UCDC_PARITY_ODD;
638 else
639 ls.bParityType = UCDC_PARITY_EVEN;
640 } else
641 ls.bParityType = UCDC_PARITY_NONE;
642 switch (ISSET(t->c_cflag, CSIZE)) {
643 case CS5:
644 ls.bDataBits = 5;
645 break;
646 case CS6:
647 ls.bDataBits = 6;
648 break;
649 case CS7:
650 ls.bDataBits = 7;
651 break;
652 case CS8:
653 ls.bDataBits = 8;
654 break;
655 }
656
657 err = uplcom_set_line_coding(sc, &ls);
658 if (err) {
659 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
660 return (EIO);
661 }
662
663 if (ISSET(t->c_cflag, CRTSCTS))
664 uplcom_set_crtscts(sc);
665
666 if (sc->sc_rts == -1 || sc->sc_dtr == -1)
667 uplcom_set_line_state(sc);
668
669 if (err) {
670 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
671 return (EIO);
672 }
673
674 return (0);
675 }
676
677 int
uplcom_open(void * addr,int portno)678 uplcom_open(void *addr, int portno)
679 {
680 struct uplcom_softc *sc = addr;
681 usb_device_request_t req;
682 usbd_status uerr;
683 int err;
684
685 if (sc->sc_dying)
686 return (EIO);
687
688 DPRINTF(("uplcom_open: sc=%p\n", sc));
689
690 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
691 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
692 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number,
693 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc,
694 sc->sc_intr_buf, sc->sc_isize,
695 uplcom_intr, USBD_DEFAULT_INTERVAL);
696 if (err) {
697 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n",
698 USBDEVNAME(sc->sc_dev), sc->sc_intr_number));
699 return (EIO);
700 }
701 }
702
703 if (sc->sc_type_hx == 1) {
704 /*
705 * Undocumented (vendor unresponsive) - possibly changes
706 * flow control semantics. It is needed for HX variant devices.
707 */
708 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
709 req.bRequest = UPLCOM_SET_REQUEST;
710 USETW(req.wValue, 2);
711 USETW(req.wIndex, 0x44);
712 USETW(req.wLength, 0);
713
714 uerr = usbd_do_request(sc->sc_udev, &req, 0);
715 if (uerr)
716 return (EIO);
717
718 /* Reset upstream data pipes */
719 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
720 req.bRequest = UPLCOM_SET_REQUEST;
721 USETW(req.wValue, 8);
722 USETW(req.wIndex, 0);
723 USETW(req.wLength, 0);
724
725 uerr = usbd_do_request(sc->sc_udev, &req, 0);
726 if (uerr)
727 return (EIO);
728
729 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
730 req.bRequest = UPLCOM_SET_REQUEST;
731 USETW(req.wValue, 9);
732 USETW(req.wIndex, 0);
733 USETW(req.wLength, 0);
734
735 uerr = usbd_do_request(sc->sc_udev, &req, 0);
736 if (uerr)
737 return (EIO);
738 }
739
740 return (0);
741 }
742
743 void
uplcom_close(void * addr,int portno)744 uplcom_close(void *addr, int portno)
745 {
746 struct uplcom_softc *sc = addr;
747 int err;
748
749 if (sc->sc_dying)
750 return;
751
752 DPRINTF(("uplcom_close: close\n"));
753
754 if (sc->sc_intr_pipe != NULL) {
755 err = usbd_abort_pipe(sc->sc_intr_pipe);
756 if (err)
757 printf("%s: abort interrupt pipe failed: %s\n",
758 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
759 err = usbd_close_pipe(sc->sc_intr_pipe);
760 if (err)
761 printf("%s: close interrupt pipe failed: %s\n",
762 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
763 free(sc->sc_intr_buf, M_USBDEV);
764 sc->sc_intr_pipe = NULL;
765 }
766 }
767
768 void
uplcom_intr(usbd_xfer_handle xfer,usbd_private_handle priv,usbd_status status)769 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
770 {
771 struct uplcom_softc *sc = priv;
772 u_char *buf = sc->sc_intr_buf;
773 u_char pstatus;
774
775 if (sc->sc_dying)
776 return;
777
778 if (status != USBD_NORMAL_COMPLETION) {
779 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
780 return;
781
782 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
783 usbd_errstr(status)));
784 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
785 return;
786 }
787
788 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8]));
789
790 sc->sc_lsr = sc->sc_msr = 0;
791 pstatus = buf[8];
792 if (ISSET(pstatus, RSAQ_STATUS_CTS))
793 sc->sc_msr |= UMSR_CTS;
794 else
795 sc->sc_msr &= ~UMSR_CTS;
796 if (ISSET(pstatus, RSAQ_STATUS_DSR))
797 sc->sc_msr |= UMSR_DSR;
798 else
799 sc->sc_msr &= ~UMSR_DSR;
800 if (ISSET(pstatus, RSAQ_STATUS_DCD))
801 sc->sc_msr |= UMSR_DCD;
802 else
803 sc->sc_msr &= ~UMSR_DCD;
804 ucom_status_change((struct ucom_softc *) sc->sc_subdev);
805 }
806
807 void
uplcom_get_status(void * addr,int portno,u_char * lsr,u_char * msr)808 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
809 {
810 struct uplcom_softc *sc = addr;
811
812 DPRINTF(("uplcom_get_status:\n"));
813
814 if (lsr != NULL)
815 *lsr = sc->sc_lsr;
816 if (msr != NULL)
817 *msr = sc->sc_msr;
818 }
819
820 #if TODO
821 int
uplcom_ioctl(void * addr,int portno,u_long cmd,caddr_t data,int flag,usb_proc_ptr p)822 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
823 usb_proc_ptr p)
824 {
825 struct uplcom_softc *sc = addr;
826 int error = 0;
827
828 if (sc->sc_dying)
829 return (EIO);
830
831 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd));
832
833 switch (cmd) {
834 case TIOCNOTTY:
835 case TIOCMGET:
836 case TIOCMSET:
837 case USB_GET_CM_OVER_DATA:
838 case USB_SET_CM_OVER_DATA:
839 break;
840
841 default:
842 DPRINTF(("uplcom_ioctl: unknown\n"));
843 error = ENOTTY;
844 break;
845 }
846
847 return (error);
848 }
849 #endif
850