uplcom.c revision 1.58 1 /* $NetBSD: uplcom.c,v 1.58 2007/08/18 20:23:04 sborrill Exp $ */
2 /*
3 * Copyright (c) 2001 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Ichiro FUKUHARA (ichiro (at) ichiro.org).
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by the NetBSD
20 * Foundation, Inc. and its contributors.
21 * 4. Neither the name of The NetBSD Foundation nor the names of its
22 * contributors may be used to endorse or promote products derived
23 * from this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35 * POSSIBILITY OF SUCH DAMAGE.
36 */
37
38 /*
39 * General information: http://www.prolific.com.tw/fr_pl2303.htm
40 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf
41 */
42
43 #include <sys/cdefs.h>
44 __KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.58 2007/08/18 20:23:04 sborrill Exp $");
45
46 #include <sys/param.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/malloc.h>
50 #include <sys/ioctl.h>
51 #include <sys/conf.h>
52 #include <sys/tty.h>
53 #include <sys/file.h>
54 #include <sys/select.h>
55 #include <sys/proc.h>
56 #include <sys/device.h>
57 #include <sys/poll.h>
58
59 #include <dev/usb/usb.h>
60 #include <dev/usb/usbcdc.h>
61
62 #include <dev/usb/usbdi.h>
63 #include <dev/usb/usbdi_util.h>
64 #include <dev/usb/usbdevs.h>
65 #include <dev/usb/usb_quirks.h>
66
67 #include <dev/usb/ucomvar.h>
68
69 #ifdef UPLCOM_DEBUG
70 #define DPRINTFN(n, x) if (uplcomdebug > (n)) logprintf x
71 int uplcomdebug = 0;
72 #else
73 #define DPRINTFN(n, x)
74 #endif
75 #define DPRINTF(x) DPRINTFN(0, x)
76
77 #define UPLCOM_CONFIG_INDEX 0
78 #define UPLCOM_IFACE_INDEX 0
79 #define UPLCOM_SECOND_IFACE_INDEX 1
80
81 #define UPLCOM_SET_REQUEST 0x01
82 #define UPLCOM_SET_CRTSCTS_0 0x41
83 #define UPLCOM_SET_CRTSCTS_HX 0x61
84 #define RSAQ_STATUS_DSR 0x02
85 #define RSAQ_STATUS_DCD 0x01
86
87 enum pl2303_type {
88 UPLCOM_TYPE_0,
89 UPLCOM_TYPE_HX,
90 };
91
92 struct uplcom_softc {
93 USBBASEDEVICE sc_dev; /* base device */
94 usbd_device_handle sc_udev; /* USB device */
95 usbd_interface_handle sc_iface; /* interface */
96 int sc_iface_number; /* interface number */
97
98 usbd_interface_handle sc_intr_iface; /* interrupt interface */
99 int sc_intr_number; /* interrupt number */
100 usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */
101 u_char *sc_intr_buf; /* interrupt buffer */
102 int sc_isize;
103
104 usb_cdc_line_state_t sc_line_state; /* current line state */
105 int sc_dtr; /* current DTR state */
106 int sc_rts; /* current RTS state */
107
108 device_ptr_t sc_subdev; /* ucom device */
109
110 u_char sc_dying; /* disconnecting */
111
112 u_char sc_lsr; /* Local status register */
113 u_char sc_msr; /* uplcom status register */
114
115 enum pl2303_type sc_type; /* PL2303 chip type */
116 };
117
118 /*
119 * These are the maximum number of bytes transferred per frame.
120 * The output buffer size cannot be increased due to the size encoding.
121 */
122 #define UPLCOMIBUFSIZE 256
123 #define UPLCOMOBUFSIZE 256
124
125 Static usbd_status uplcom_reset(struct uplcom_softc *);
126 Static usbd_status uplcom_set_line_coding(struct uplcom_softc *sc,
127 usb_cdc_line_state_t *state);
128 Static usbd_status uplcom_set_crtscts(struct uplcom_softc *);
129 Static void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
130
131 Static void uplcom_set(void *, int, int, int);
132 Static void uplcom_dtr(struct uplcom_softc *, int);
133 Static void uplcom_rts(struct uplcom_softc *, int);
134 Static void uplcom_break(struct uplcom_softc *, int);
135 Static void uplcom_set_line_state(struct uplcom_softc *);
136 Static void uplcom_get_status(void *, int portno, u_char *lsr, u_char *msr);
137 #if TODO
138 Static int uplcom_ioctl(void *, int, u_long, void *, int, usb_proc_ptr );
139 #endif
140 Static int uplcom_param(void *, int, struct termios *);
141 Static int uplcom_open(void *, int);
142 Static void uplcom_close(void *, int);
143 Static usbd_status uplcom_vendor_control_write(usbd_device_handle, u_int16_t, u_int16_t);
144
145 struct ucom_methods uplcom_methods = {
146 uplcom_get_status,
147 uplcom_set,
148 uplcom_param,
149 NULL, /* uplcom_ioctl, TODO */
150 uplcom_open,
151 uplcom_close,
152 NULL,
153 NULL,
154 };
155
156 static const struct usb_devno uplcom_devs[] = {
157 /* I/O DATA USB-RSAQ2 */
158 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 },
159 /* I/O DATA USB-RSAQ3 */
160 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 },
161 /* I/O DATA USB-RSAQ */
162 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ },
163 /* I/O DATA USB-RSAQ5 */
164 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 },
165 /* PLANEX USB-RS232 URS-03 */
166 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A },
167 /* IOGEAR/ATEN UC-232A */
168 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 },
169 /* SMART Technologies USB to serial */
170 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 },
171 /* IOGEAR/ATENTRIPPLITE */
172 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 },
173 /* ELECOM UC-SGT */
174 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT },
175 /* ELECOM UC-SGT0 */
176 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 },
177 /* Panasonic 50" Touch Panel */
178 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S },
179 /* RATOC REX-USB60 */
180 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 },
181 /* TDK USB-PHS Adapter UHA6400 */
182 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 },
183 /* TDK USB-PDC Adapter UPA9664 */
184 { USB_VENDOR_TDK, USB_PRODUCT_TDK_UPA9664 },
185 /* Sony Ericsson USB Cable */
186 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 },
187 /* SOURCENEXT KeikaiDenwa 8 */
188 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 },
189 /* SOURCENEXT KeikaiDenwa 8 with charger */
190 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG },
191 /* HAL Corporation Crossam2+USB */
192 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 },
193 /* Sitecom USB to serial cable */
194 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 },
195 /* Pharos USB GPS - Microsoft version */
196 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X },
197 /* Willcom WS002IN (DD) */
198 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN },
199 };
200 #define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p)
201
202 static const struct {
203 uint16_t vendor;
204 uint16_t product;
205 enum pl2303_type chiptype;
206 } uplcom_devs_ext[] = {
207 /* I/O DATA USB-RSAQ3 */
208 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3, UPLCOM_TYPE_HX },
209 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN, UPLCOM_TYPE_HX },
210 /* I/O DATA USB-RSAQ5 */
211 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5, UPLCOM_TYPE_HX },
212 {0, 0, 0}
213 };
214
215
216 USB_DECLARE_DRIVER(uplcom);
217
218 USB_MATCH(uplcom)
219 {
220 USB_MATCH_START(uplcom, uaa);
221
222 return (uplcom_lookup(uaa->vendor, uaa->product) != NULL ?
223 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
224 }
225
226 USB_ATTACH(uplcom)
227 {
228 USB_ATTACH_START(uplcom, sc, uaa);
229 usbd_device_handle dev = uaa->device;
230 usb_config_descriptor_t *cdesc;
231 usb_interface_descriptor_t *id;
232 usb_endpoint_descriptor_t *ed;
233 char *devinfop;
234 char *devname = USBDEVNAME(sc->sc_dev);
235 usbd_status err;
236 int i;
237 struct ucom_attach_args uca;
238
239 devinfop = usbd_devinfo_alloc(dev, 0);
240 USB_ATTACH_SETUP;
241 printf("%s: %s\n", devname, devinfop);
242 usbd_devinfo_free(devinfop);
243
244 sc->sc_udev = dev;
245
246 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc));
247
248 /* initialize endpoints */
249 uca.bulkin = uca.bulkout = -1;
250 sc->sc_intr_number = -1;
251 sc->sc_intr_pipe = NULL;
252
253 /* Move the device into the configured state. */
254 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
255 if (err) {
256 printf("\n%s: failed to set configuration, err=%s\n",
257 devname, usbd_errstr(err));
258 sc->sc_dying = 1;
259 USB_ATTACH_ERROR_RETURN;
260 }
261
262 /* determine chip type */
263 for (i = 0; uplcom_devs_ext[i].vendor != 0; i++) {
264 if (uplcom_devs_ext[i].vendor == uaa->vendor &&
265 uplcom_devs_ext[i].product == uaa->product) {
266 sc->sc_type = uplcom_devs_ext[i].chiptype;
267 goto chiptype_determined;
268 }
269 }
270 /*
271 * NOTE: The Linux driver distinguishes between UPLCOM_TYPE_0
272 * and UPLCOM_TYPE_1 type chips by testing other fields in the
273 * device descriptor. As far as the uplcom driver is
274 * concerned, both types are identical.
275 * The bcdDevice field should also distinguish these versions,
276 * but who knows.
277 */
278 if (uaa->release == 0x0300)
279 sc->sc_type = UPLCOM_TYPE_HX;
280 else
281 sc->sc_type = UPLCOM_TYPE_0;
282 chiptype_determined:
283
284 /* get the config descriptor */
285 cdesc = usbd_get_config_descriptor(sc->sc_udev);
286
287 if (cdesc == NULL) {
288 printf("%s: failed to get configuration descriptor\n",
289 USBDEVNAME(sc->sc_dev));
290 sc->sc_dying = 1;
291 USB_ATTACH_ERROR_RETURN;
292 }
293
294 /* get the (first/common) interface */
295 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
296 &sc->sc_iface);
297 if (err) {
298 printf("\n%s: failed to get interface, err=%s\n",
299 devname, usbd_errstr(err));
300 sc->sc_dying = 1;
301 USB_ATTACH_ERROR_RETURN;
302 }
303
304 /* Find the interrupt endpoints */
305
306 id = usbd_get_interface_descriptor(sc->sc_iface);
307 sc->sc_iface_number = id->bInterfaceNumber;
308
309 for (i = 0; i < id->bNumEndpoints; i++) {
310 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
311 if (ed == NULL) {
312 printf("%s: no endpoint descriptor for %d\n",
313 USBDEVNAME(sc->sc_dev), i);
314 sc->sc_dying = 1;
315 USB_ATTACH_ERROR_RETURN;
316 }
317
318 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
319 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
320 sc->sc_intr_number = ed->bEndpointAddress;
321 sc->sc_isize = UGETW(ed->wMaxPacketSize);
322 }
323 }
324
325 if (sc->sc_intr_number== -1) {
326 printf("%s: Could not find interrupt in\n",
327 USBDEVNAME(sc->sc_dev));
328 sc->sc_dying = 1;
329 USB_ATTACH_ERROR_RETURN;
330 }
331
332 /* keep interface for interrupt */
333 sc->sc_intr_iface = sc->sc_iface;
334
335 /*
336 * USB-RSAQ1 has two interface
337 *
338 * USB-RSAQ1 | USB-RSAQ2
339 * -----------------+-----------------
340 * Interface 0 |Interface 0
341 * Interrupt(0x81) | Interrupt(0x81)
342 * -----------------+ BulkIN(0x02)
343 * Interface 1 | BulkOUT(0x83)
344 * BulkIN(0x02) |
345 * BulkOUT(0x83) |
346 */
347 if (cdesc->bNumInterface == 2) {
348 err = usbd_device2interface_handle(dev,
349 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface);
350 if (err) {
351 printf("\n%s: failed to get second interface, err=%s\n",
352 devname, usbd_errstr(err));
353 sc->sc_dying = 1;
354 USB_ATTACH_ERROR_RETURN;
355 }
356 }
357
358 /* Find the bulk{in,out} endpoints */
359
360 id = usbd_get_interface_descriptor(sc->sc_iface);
361 sc->sc_iface_number = id->bInterfaceNumber;
362
363 for (i = 0; i < id->bNumEndpoints; i++) {
364 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
365 if (ed == NULL) {
366 printf("%s: no endpoint descriptor for %d\n",
367 USBDEVNAME(sc->sc_dev), i);
368 sc->sc_dying = 1;
369 USB_ATTACH_ERROR_RETURN;
370 }
371
372 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
373 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
374 uca.bulkin = ed->bEndpointAddress;
375 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
376 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
377 uca.bulkout = ed->bEndpointAddress;
378 }
379 }
380
381 if (uca.bulkin == -1) {
382 printf("%s: Could not find data bulk in\n",
383 USBDEVNAME(sc->sc_dev));
384 sc->sc_dying = 1;
385 USB_ATTACH_ERROR_RETURN;
386 }
387
388 if (uca.bulkout == -1) {
389 printf("%s: Could not find data bulk out\n",
390 USBDEVNAME(sc->sc_dev));
391 sc->sc_dying = 1;
392 USB_ATTACH_ERROR_RETURN;
393 }
394
395 sc->sc_dtr = sc->sc_rts = -1;
396 uca.portno = UCOM_UNK_PORTNO;
397 /* bulkin, bulkout set above */
398 uca.ibufsize = UPLCOMIBUFSIZE;
399 uca.obufsize = UPLCOMOBUFSIZE;
400 uca.ibufsizepad = UPLCOMIBUFSIZE;
401 uca.opkthdrlen = 0;
402 uca.device = dev;
403 uca.iface = sc->sc_iface;
404 uca.methods = &uplcom_methods;
405 uca.arg = sc;
406 uca.info = NULL;
407
408 err = uplcom_reset(sc);
409
410 if (err) {
411 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
412 usbd_errstr(err));
413 sc->sc_dying = 1;
414 USB_ATTACH_ERROR_RETURN;
415 }
416
417 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
418 USBDEV(sc->sc_dev));
419
420 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
421 uca.bulkin, uca.bulkout, sc->sc_intr_number ));
422 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
423 ucomprint, ucomsubmatch);
424
425 USB_ATTACH_SUCCESS_RETURN;
426 }
427
428 USB_DETACH(uplcom)
429 {
430 USB_DETACH_START(uplcom, sc);
431 int rv = 0;
432
433 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags));
434
435 if (sc->sc_intr_pipe != NULL) {
436 usbd_abort_pipe(sc->sc_intr_pipe);
437 usbd_close_pipe(sc->sc_intr_pipe);
438 free(sc->sc_intr_buf, M_USBDEV);
439 sc->sc_intr_pipe = NULL;
440 }
441
442 sc->sc_dying = 1;
443 if (sc->sc_subdev != NULL) {
444 rv = config_detach(sc->sc_subdev, flags);
445 sc->sc_subdev = NULL;
446 }
447
448 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
449 USBDEV(sc->sc_dev));
450
451 return (rv);
452 }
453
454 int
455 uplcom_activate(device_ptr_t self, enum devact act)
456 {
457 struct uplcom_softc *sc = (struct uplcom_softc *)self;
458 int rv = 0;
459
460 switch (act) {
461 case DVACT_ACTIVATE:
462 return (EOPNOTSUPP);
463
464 case DVACT_DEACTIVATE:
465 if (sc->sc_subdev != NULL)
466 rv = config_deactivate(sc->sc_subdev);
467 sc->sc_dying = 1;
468 break;
469 }
470 return (rv);
471 }
472
473 usbd_status
474 uplcom_reset(struct uplcom_softc *sc)
475 {
476 usb_device_request_t req;
477 usbd_status err;
478
479 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
480 req.bRequest = UPLCOM_SET_REQUEST;
481 USETW(req.wValue, 0);
482 USETW(req.wIndex, sc->sc_iface_number);
483 USETW(req.wLength, 0);
484
485 err = usbd_do_request(sc->sc_udev, &req, 0);
486 if (err)
487 return (EIO);
488
489 return (0);
490 }
491
492 void
493 uplcom_set_line_state(struct uplcom_softc *sc)
494 {
495 usb_device_request_t req;
496 int ls;
497
498 /* make sure we have initialized state for sc_dtr and sc_rts */
499 if (sc->sc_dtr == -1)
500 sc->sc_dtr = 0;
501 if (sc->sc_rts == -1)
502 sc->sc_rts = 0;
503
504 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
505 (sc->sc_rts ? UCDC_LINE_RTS : 0);
506
507 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
508 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
509 USETW(req.wValue, ls);
510 USETW(req.wIndex, sc->sc_iface_number);
511 USETW(req.wLength, 0);
512
513 (void)usbd_do_request(sc->sc_udev, &req, 0);
514 }
515
516 void
517 uplcom_set(void *addr, int portno, int reg, int onoff)
518 {
519 struct uplcom_softc *sc = addr;
520
521 switch (reg) {
522 case UCOM_SET_DTR:
523 uplcom_dtr(sc, onoff);
524 break;
525 case UCOM_SET_RTS:
526 uplcom_rts(sc, onoff);
527 break;
528 case UCOM_SET_BREAK:
529 uplcom_break(sc, onoff);
530 break;
531 default:
532 break;
533 }
534 }
535
536 void
537 uplcom_dtr(struct uplcom_softc *sc, int onoff)
538 {
539
540 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff));
541
542 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff)
543 return;
544
545 sc->sc_dtr = !!onoff;
546
547 uplcom_set_line_state(sc);
548 }
549
550 void
551 uplcom_rts(struct uplcom_softc *sc, int onoff)
552 {
553 DPRINTF(("uplcom_rts: onoff=%d\n", onoff));
554
555 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff)
556 return;
557
558 sc->sc_rts = !!onoff;
559
560 uplcom_set_line_state(sc);
561 }
562
563 void
564 uplcom_break(struct uplcom_softc *sc, int onoff)
565 {
566 usb_device_request_t req;
567
568 DPRINTF(("uplcom_break: onoff=%d\n", onoff));
569
570 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
571 req.bRequest = UCDC_SEND_BREAK;
572 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
573 USETW(req.wIndex, sc->sc_iface_number);
574 USETW(req.wLength, 0);
575
576 (void)usbd_do_request(sc->sc_udev, &req, 0);
577 }
578
579 usbd_status
580 uplcom_set_crtscts(struct uplcom_softc *sc)
581 {
582 usb_device_request_t req;
583 usbd_status err;
584
585 DPRINTF(("uplcom_set_crtscts: on\n"));
586
587 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
588 req.bRequest = UPLCOM_SET_REQUEST;
589 USETW(req.wValue, 0);
590 if (sc->sc_type == UPLCOM_TYPE_HX)
591 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX);
592 else
593 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0);
594 USETW(req.wLength, 0);
595
596 err = usbd_do_request(sc->sc_udev, &req, 0);
597 if (err) {
598 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n",
599 usbd_errstr(err)));
600 return (err);
601 }
602
603 return (USBD_NORMAL_COMPLETION);
604 }
605
606 usbd_status
607 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
608 {
609 usb_device_request_t req;
610 usbd_status err;
611
612 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
613 UGETDW(state->dwDTERate), state->bCharFormat,
614 state->bParityType, state->bDataBits));
615
616 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
617 DPRINTF(("uplcom_set_line_coding: already set\n"));
618 return (USBD_NORMAL_COMPLETION);
619 }
620
621 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
622 req.bRequest = UCDC_SET_LINE_CODING;
623 USETW(req.wValue, 0);
624 USETW(req.wIndex, sc->sc_iface_number);
625 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
626
627 err = usbd_do_request(sc->sc_udev, &req, state);
628 if (err) {
629 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n",
630 usbd_errstr(err)));
631 return (err);
632 }
633
634 sc->sc_line_state = *state;
635
636 return (USBD_NORMAL_COMPLETION);
637 }
638
639 int
640 uplcom_param(void *addr, int portno, struct termios *t)
641 {
642 struct uplcom_softc *sc = addr;
643 usbd_status err;
644 usb_cdc_line_state_t ls;
645
646 DPRINTF(("uplcom_param: sc=%p\n", sc));
647
648 USETDW(ls.dwDTERate, t->c_ospeed);
649 if (ISSET(t->c_cflag, CSTOPB))
650 ls.bCharFormat = UCDC_STOP_BIT_2;
651 else
652 ls.bCharFormat = UCDC_STOP_BIT_1;
653 if (ISSET(t->c_cflag, PARENB)) {
654 if (ISSET(t->c_cflag, PARODD))
655 ls.bParityType = UCDC_PARITY_ODD;
656 else
657 ls.bParityType = UCDC_PARITY_EVEN;
658 } else
659 ls.bParityType = UCDC_PARITY_NONE;
660 switch (ISSET(t->c_cflag, CSIZE)) {
661 case CS5:
662 ls.bDataBits = 5;
663 break;
664 case CS6:
665 ls.bDataBits = 6;
666 break;
667 case CS7:
668 ls.bDataBits = 7;
669 break;
670 case CS8:
671 ls.bDataBits = 8;
672 break;
673 }
674
675 err = uplcom_set_line_coding(sc, &ls);
676 if (err) {
677 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
678 return (EIO);
679 }
680
681 if (ISSET(t->c_cflag, CRTSCTS))
682 uplcom_set_crtscts(sc);
683
684 if (sc->sc_rts == -1 || sc->sc_dtr == -1)
685 uplcom_set_line_state(sc);
686
687 if (err) {
688 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
689 return (EIO);
690 }
691
692 return (0);
693 }
694
695 Static usbd_status
696 uplcom_vendor_control_write(usbd_device_handle dev, u_int16_t value, u_int16_t index)
697 {
698 usb_device_request_t req;
699 usbd_status err;
700
701 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
702 req.bRequest = UPLCOM_SET_REQUEST;
703 USETW(req.wValue, value);
704 USETW(req.wIndex, index);
705 USETW(req.wLength, 0);
706
707 err = usbd_do_request(dev, &req, NULL);
708
709 if (err) {
710 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n",
711 usbd_errstr(err), err));
712 }
713
714 return err;
715 }
716
717 int
718 uplcom_open(void *addr, int portno)
719 {
720 struct uplcom_softc *sc = addr;
721 usbd_status err;
722
723 if (sc->sc_dying)
724 return (EIO);
725
726 DPRINTF(("uplcom_open: sc=%p\n", sc));
727
728 /* Some unknown device frobbing. */
729 if (sc->sc_type == UPLCOM_TYPE_HX)
730 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44);
731 else
732 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24);
733
734 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
735 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
736 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number,
737 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc,
738 sc->sc_intr_buf, sc->sc_isize,
739 uplcom_intr, USBD_DEFAULT_INTERVAL);
740 if (err) {
741 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n",
742 USBDEVNAME(sc->sc_dev), sc->sc_intr_number));
743 return (EIO);
744 }
745 }
746
747 return (0);
748 }
749
750 void
751 uplcom_close(void *addr, int portno)
752 {
753 struct uplcom_softc *sc = addr;
754 int err;
755
756 if (sc->sc_dying)
757 return;
758
759 DPRINTF(("uplcom_close: close\n"));
760
761 if (sc->sc_intr_pipe != NULL) {
762 err = usbd_abort_pipe(sc->sc_intr_pipe);
763 if (err)
764 printf("%s: abort interrupt pipe failed: %s\n",
765 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
766 err = usbd_close_pipe(sc->sc_intr_pipe);
767 if (err)
768 printf("%s: close interrupt pipe failed: %s\n",
769 USBDEVNAME(sc->sc_dev), usbd_errstr(err));
770 free(sc->sc_intr_buf, M_USBDEV);
771 sc->sc_intr_pipe = NULL;
772 }
773 }
774
775 void
776 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
777 usbd_status status)
778 {
779 struct uplcom_softc *sc = priv;
780 u_char *buf = sc->sc_intr_buf;
781 u_char pstatus;
782
783 if (sc->sc_dying)
784 return;
785
786 if (status != USBD_NORMAL_COMPLETION) {
787 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
788 return;
789
790 DPRINTF(("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
791 usbd_errstr(status)));
792 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
793 return;
794 }
795
796 DPRINTF(("%s: uplcom status = %02x\n", USBDEVNAME(sc->sc_dev), buf[8]));
797
798 sc->sc_lsr = sc->sc_msr = 0;
799 pstatus = buf[8];
800 if (ISSET(pstatus, RSAQ_STATUS_DSR))
801 sc->sc_msr |= UMSR_DSR;
802 if (ISSET(pstatus, RSAQ_STATUS_DCD))
803 sc->sc_msr |= UMSR_DCD;
804 ucom_status_change((struct ucom_softc *) sc->sc_subdev);
805 }
806
807 void
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
822 uplcom_ioctl(void *addr, int portno, u_long cmd, void *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