1/* $NetBSD: uplcom.c,v 1.79 2016/07/07 06:55:42 msaitoh 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@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 *
18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/*
32 * General information: http://www.prolific.com.tw/fr_pl2303.htm
33 * http://www.hitachi-hitec.com/jyouhou/prolific/2303.pdf
34 */
35
36#include <sys/cdefs.h>
37__KERNEL_RCSID(0, "$NetBSD: uplcom.c,v 1.79 2016/07/07 06:55:42 msaitoh Exp $");
38
39#ifdef _KERNEL_OPT
40#include "opt_usb.h"
41#endif
42
43#include <sys/param.h>
44#include <sys/systm.h>
45#include <sys/kernel.h>
46#include <sys/kmem.h>
47#include <sys/ioctl.h>
48#include <sys/conf.h>
49#include <sys/tty.h>
50#include <sys/file.h>
51#include <sys/select.h>
52#include <sys/proc.h>
53#include <sys/device.h>
54#include <sys/poll.h>
55
56#include <dev/usb/usb.h>
57#include <dev/usb/usbcdc.h>
58
59#include <dev/usb/usbdi.h>
60#include <dev/usb/usbdi_util.h>
61#include <dev/usb/usbdevs.h>
62#include <dev/usb/usb_quirks.h>
63
64#include <dev/usb/ucomvar.h>
65
66#ifdef UPLCOM_DEBUG
67#define DPRINTFN(n, x) if (uplcomdebug > (n)) printf x
68int uplcomdebug = 0;
69#else
70#define DPRINTFN(n, x)
71#endif
72#define DPRINTF(x) DPRINTFN(0, x)
73
74#define UPLCOM_CONFIG_INDEX 0
75#define UPLCOM_IFACE_INDEX 0
76#define UPLCOM_SECOND_IFACE_INDEX 1
77
78#define UPLCOM_SET_REQUEST 0x01
79#define UPLCOM_SET_CRTSCTS_0 0x41
80#define UPLCOM_SET_CRTSCTS_HX 0x61
81
82#define UPLCOM_N_SERIAL_CTS 0x80
83
84enum pl2303_type {
85 UPLCOM_TYPE_0, /* we use this for all non-HX variants */
86 UPLCOM_TYPE_HX,
87};
88
89struct uplcom_softc {
90 device_t sc_dev; /* base device */
91 struct usbd_device * sc_udev; /* USB device */
92 struct usbd_interface * sc_iface; /* interface */
93 int sc_iface_number; /* interface number */
94
95 struct usbd_interface * sc_intr_iface; /* interrupt interface */
96 int sc_intr_number; /* interrupt number */
97 struct usbd_pipe * sc_intr_pipe; /* interrupt pipe */
98 u_char *sc_intr_buf; /* interrupt buffer */
99 int sc_isize;
100
101 usb_cdc_line_state_t sc_line_state; /* current line state */
102 int sc_dtr; /* current DTR state */
103 int sc_rts; /* current RTS state */
104
105 device_t sc_subdev; /* ucom device */
106
107 u_char sc_dying; /* disconnecting */
108
109 u_char sc_lsr; /* Local status register */
110 u_char sc_msr; /* uplcom status register */
111
112 enum pl2303_type sc_type; /* PL2303 chip type */
113};
114
115/*
116 * These are the maximum number of bytes transferred per frame.
117 * The output buffer size cannot be increased due to the size encoding.
118 */
119#define UPLCOMIBUFSIZE 256
120#define UPLCOMOBUFSIZE 256
121
122Static usbd_status uplcom_reset(struct uplcom_softc *);
123Static usbd_status uplcom_set_line_coding(struct uplcom_softc *,
124 usb_cdc_line_state_t *);
125Static usbd_status uplcom_set_crtscts(struct uplcom_softc *);
126Static void uplcom_intr(struct usbd_xfer *, void *, usbd_status);
127
128Static void uplcom_set(void *, int, int, int);
129Static void uplcom_dtr(struct uplcom_softc *, int);
130Static void uplcom_rts(struct uplcom_softc *, int);
131Static void uplcom_break(struct uplcom_softc *, int);
132Static void uplcom_set_line_state(struct uplcom_softc *);
133Static void uplcom_get_status(void *, int, u_char *, u_char *);
134#if TODO
135Static int uplcom_ioctl(void *, int, u_long, void *, int, proc_t *);
136#endif
137Static int uplcom_param(void *, int, struct termios *);
138Static int uplcom_open(void *, int);
139Static void uplcom_close(void *, int);
140Static usbd_status uplcom_vendor_control_write(struct usbd_device *, uint16_t, uint16_t);
141
142struct ucom_methods uplcom_methods = {
143 .ucom_get_status = uplcom_get_status,
144 .ucom_set = uplcom_set,
145 .ucom_param = uplcom_param,
146 .ucom_ioctl = NULL, /* TODO */
147 .ucom_open = uplcom_open,
148 .ucom_close = uplcom_close,
149 .ucom_read = NULL,
150 .ucom_write = NULL,
151};
152
153static const struct usb_devno uplcom_devs[] = {
154 /* I/O DATA USB-RSAQ2 */
155 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 },
156 /* I/O DATA USB-RSAQ3 */
157 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ3 },
158 /* I/O DATA USB-RSAQ */
159 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ },
160 /* I/O DATA USB-RSAQ5 */
161 { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ5 },
162 /* PLANEX USB-RS232 URS-03 */
163 { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A },
164 /* various */
165 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 },
166 /* SMART Technologies USB to serial */
167 { USB_VENDOR_PROLIFIC2, USB_PRODUCT_PROLIFIC2_PL2303 },
168 /* IOGEAR/ATENTRIPPLITE */
169 { USB_VENDOR_TRIPPLITE, USB_PRODUCT_TRIPPLITE_U209 },
170 /* ELECOM UC-SGT */
171 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT },
172 /* ELECOM UC-SGT0 */
173 { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 },
174 /* Panasonic 50" Touch Panel */
175 { USB_VENDOR_PANASONIC, USB_PRODUCT_PANASONIC_TYTP50P6S },
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 /* Sony Ericsson USB Cable */
183 { USB_VENDOR_SUSTEEN, USB_PRODUCT_SUSTEEN_DCU10 },
184 /* SOURCENEXT KeikaiDenwa 8 */
185 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 },
186 /* SOURCENEXT KeikaiDenwa 8 with charger */
187 { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG },
188 /* HAL Corporation Crossam2+USB */
189 { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 },
190 /* Sitecom USB to serial cable */
191 { USB_VENDOR_SITECOM, USB_PRODUCT_SITECOM_CN104 },
192 /* Pharos USB GPS - Microsoft version */
193 { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303X },
194 /* Willcom WS002IN (DD) */
195 { USB_VENDOR_NETINDEX, USB_PRODUCT_NETINDEX_WS002IN },
196 /* COREGA CG-USBRS232R */
197 { USB_VENDOR_COREGA, USB_PRODUCT_COREGA_CGUSBRS232R },
198 /* Sharp CE-175TU (USB to Zaurus option port 15 adapter) */
199 { USB_VENDOR_SHARP, USB_PRODUCT_SHARP_CE175TU },
200};
201#define uplcom_lookup(v, p) usb_lookup(uplcom_devs, v, p)
202
203int uplcom_match(device_t, cfdata_t, void *);
204void uplcom_attach(device_t, device_t, void *);
205void uplcom_childdet(device_t, device_t);
206int uplcom_detach(device_t, int);
207int uplcom_activate(device_t, enum devact);
208extern struct cfdriver uplcom_cd;
209CFATTACH_DECL2_NEW(uplcom, sizeof(struct uplcom_softc), uplcom_match,
210 uplcom_attach, uplcom_detach, uplcom_activate, NULL, uplcom_childdet);
211
212int
213uplcom_match(device_t parent, cfdata_t match, void *aux)
214{
215 struct usb_attach_arg *uaa = aux;
216
217 return uplcom_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ?
218 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
219}
220
221void
222uplcom_attach(device_t parent, device_t self, void *aux)
223{
224 struct uplcom_softc *sc = device_private(self);
225 struct usb_attach_arg *uaa = aux;
226 struct usbd_device *dev = uaa->uaa_device;
227 usb_device_descriptor_t *ddesc;
228 usb_config_descriptor_t *cdesc;
229 usb_interface_descriptor_t *id;
230 usb_endpoint_descriptor_t *ed;
231 char *devinfop;
232 const char *devname = device_xname(self);
233 usbd_status err;
234 int i;
235 struct ucom_attach_args ucaa;
236
237 sc->sc_dev = self;
238
239 aprint_naive("\n");
240 aprint_normal("\n");
241
242 devinfop = usbd_devinfo_alloc(dev, 0);
243 aprint_normal_dev(self, "%s\n", devinfop);
244 usbd_devinfo_free(devinfop);
245
246 sc->sc_udev = dev;
247
248 DPRINTF(("\n\nuplcom attach: sc=%p\n", sc));
249
250 /* initialize endpoints */
251 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1;
252 sc->sc_intr_number = -1;
253 sc->sc_intr_pipe = NULL;
254
255 /* Move the device into the configured state. */
256 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
257 if (err) {
258 aprint_error("\n%s: failed to set configuration, err=%s\n",
259 devname, usbd_errstr(err));
260 sc->sc_dying = 1;
261 return;
262 }
263
264 /* determine chip type */
265 ddesc = usbd_get_device_descriptor(dev);
266 if (ddesc->bDeviceClass != UDCLASS_COMM &&
267 ddesc->bMaxPacketSize == 0x40)
268 sc->sc_type = UPLCOM_TYPE_HX;
269
270#ifdef UPLCOM_DEBUG
271 /* print the chip type */
272 if (sc->sc_type == UPLCOM_TYPE_HX) {
273 DPRINTF(("uplcom_attach: chiptype HX\n"));
274 } else {
275 DPRINTF(("uplcom_attach: chiptype 0\n"));
276 }
277#endif
278
279 /* Move the device into the configured state. */
280 err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
281 if (err) {
282 aprint_error_dev(self, "failed to set configuration: %s\n",
283 usbd_errstr(err));
284 sc->sc_dying = 1;
285 return;
286 }
287
288 /* get the config descriptor */
289 cdesc = usbd_get_config_descriptor(sc->sc_udev);
290
291 if (cdesc == NULL) {
292 aprint_error_dev(self,
293 "failed to get configuration descriptor\n");
294 sc->sc_dying = 1;
295 return;
296 }
297
298 /* get the (first/common) interface */
299 err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
300 &sc->sc_iface);
301 if (err) {
302 aprint_error("\n%s: failed to get interface, err=%s\n",
303 devname, usbd_errstr(err));
304 sc->sc_dying = 1;
305 return;
306 }
307
308 /* Find the interrupt endpoints */
309
310 id = usbd_get_interface_descriptor(sc->sc_iface);
311 sc->sc_iface_number = id->bInterfaceNumber;
312
313 for (i = 0; i < id->bNumEndpoints; i++) {
314 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
315 if (ed == NULL) {
316 aprint_error_dev(self,
317 "no endpoint descriptor for %d\n", i);
318 sc->sc_dying = 1;
319 return;
320 }
321
322 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
323 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
324 sc->sc_intr_number = ed->bEndpointAddress;
325 sc->sc_isize = UGETW(ed->wMaxPacketSize);
326 }
327 }
328
329 if (sc->sc_intr_number== -1) {
330 aprint_error_dev(self, "Could not find interrupt in\n");
331 sc->sc_dying = 1;
332 return;
333 }
334
335 /* keep interface for interrupt */
336 sc->sc_intr_iface = sc->sc_iface;
337
338 /*
339 * USB-RSAQ1 has two interface
340 *
341 * USB-RSAQ1 | USB-RSAQ2
342 * -----------------+-----------------
343 * Interface 0 |Interface 0
344 * Interrupt(0x81) | Interrupt(0x81)
345 * -----------------+ BulkIN(0x02)
346 * Interface 1 | BulkOUT(0x83)
347 * BulkIN(0x02) |
348 * BulkOUT(0x83) |
349 */
350 if (cdesc->bNumInterface == 2) {
351 err = usbd_device2interface_handle(dev,
352 UPLCOM_SECOND_IFACE_INDEX, &sc->sc_iface);
353 if (err) {
354 aprint_error("\n%s: failed to get second interface, "
355 "err=%s\n", devname, usbd_errstr(err));
356 sc->sc_dying = 1;
357 return;
358 }
359 }
360
361 /* Find the bulk{in,out} endpoints */
362
363 id = usbd_get_interface_descriptor(sc->sc_iface);
364 sc->sc_iface_number = id->bInterfaceNumber;
365
366 for (i = 0; i < id->bNumEndpoints; i++) {
367 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
368 if (ed == NULL) {
369 aprint_error_dev(self,
370 "no endpoint descriptor for %d\n", i);
371 sc->sc_dying = 1;
372 return;
373 }
374
375 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
376 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
377 ucaa.ucaa_bulkin = ed->bEndpointAddress;
378 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
379 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
380 ucaa.ucaa_bulkout = ed->bEndpointAddress;
381 }
382 }
383
384 if (ucaa.ucaa_bulkin == -1) {
385 aprint_error_dev(self, "Could not find data bulk in\n");
386 sc->sc_dying = 1;
387 return;
388 }
389
390 if (ucaa.ucaa_bulkout == -1) {
391 aprint_error_dev(self, "Could not find data bulk out\n");
392 sc->sc_dying = 1;
393 return;
394 }
395
396 sc->sc_dtr = sc->sc_rts = -1;
397 ucaa.ucaa_portno = UCOM_UNK_PORTNO;
398 /* ucaa_bulkin, ucaa_bulkout set above */
399 ucaa.ucaa_ibufsize = UPLCOMIBUFSIZE;
400 ucaa.ucaa_obufsize = UPLCOMOBUFSIZE;
401 ucaa.ucaa_ibufsizepad = UPLCOMIBUFSIZE;
402 ucaa.ucaa_opkthdrlen = 0;
403 ucaa.ucaa_device = dev;
404 ucaa.ucaa_iface = sc->sc_iface;
405 ucaa.ucaa_methods = &uplcom_methods;
406 ucaa.ucaa_arg = sc;
407 ucaa.ucaa_info = NULL;
408
409 err = uplcom_reset(sc);
410
411 if (err) {
412 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err));
413 sc->sc_dying = 1;
414 return;
415 }
416
417 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
418
419 DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
420 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout, sc->sc_intr_number ));
421 sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &ucaa,
422 ucomprint, ucomsubmatch);
423
424 if (!pmf_device_register(self, NULL, NULL))
425 aprint_error_dev(self, "couldn't establish power handler\n");
426
427 return;
428}
429
430void
431uplcom_childdet(device_t self, device_t child)
432{
433 struct uplcom_softc *sc = device_private(self);
434
435 KASSERT(sc->sc_subdev == child);
436 sc->sc_subdev = NULL;
437}
438
439int
440uplcom_detach(device_t self, int flags)
441{
442 struct uplcom_softc *sc = device_private(self);
443 int rv = 0;
444
445 DPRINTF(("uplcom_detach: sc=%p flags=%d\n", sc, flags));
446
447 if (sc->sc_intr_pipe != NULL) {
448 usbd_abort_pipe(sc->sc_intr_pipe);
449 usbd_close_pipe(sc->sc_intr_pipe);
450 kmem_free(sc->sc_intr_buf, sc->sc_isize);
451 sc->sc_intr_pipe = NULL;
452 }
453
454 sc->sc_dying = 1;
455 if (sc->sc_subdev != NULL)
456 rv = config_detach(sc->sc_subdev, flags);
457
458 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
459
460 if (rv == 0)
461 pmf_device_deregister(self);
462
463 return rv;
464}
465
466int
467uplcom_activate(device_t self, enum devact act)
468{
469 struct uplcom_softc *sc = device_private(self);
470
471 switch (act) {
472 case DVACT_DEACTIVATE:
473 sc->sc_dying = 1;
474 return 0;
475 default:
476 return EOPNOTSUPP;
477 }
478}
479
480usbd_status
481uplcom_reset(struct uplcom_softc *sc)
482{
483 usb_device_request_t req;
484 usbd_status err;
485
486 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
487 req.bRequest = UPLCOM_SET_REQUEST;
488 USETW(req.wValue, 0);
489 USETW(req.wIndex, sc->sc_iface_number);
490 USETW(req.wLength, 0);
491
492 err = usbd_do_request(sc->sc_udev, &req, 0);
493 if (err)
494 return EIO;
495
496 return 0;
497}
498
499struct pl2303x_init {
500 uint8_t req_type;
501 uint8_t request;
502 uint16_t value;
503 uint16_t index;
504};
505
506static const struct pl2303x_init pl2303x[] = {
507 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 },
508 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 0 },
509 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 },
510 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 },
511 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 },
512 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x0404, 1 },
513 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8484, 0 },
514 { UT_READ_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0x8383, 0 },
515 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 0, 1 },
516 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 1, 0 },
517 { UT_WRITE_VENDOR_DEVICE, UPLCOM_SET_REQUEST, 2, 0x44 }
518};
519#define N_PL2302X_INIT (sizeof(pl2303x)/sizeof(pl2303x[0]))
520
521static usbd_status
522uplcom_pl2303x_init(struct uplcom_softc *sc)
523{
524 usb_device_request_t req;
525 usbd_status err;
526 int i;
527
528 for (i = 0; i < N_PL2302X_INIT; i++) {
529 char buf[1];
530 void *b;
531
532 req.bmRequestType = pl2303x[i].req_type;
533 req.bRequest = pl2303x[i].request;
534 USETW(req.wValue, pl2303x[i].value);
535 USETW(req.wIndex, pl2303x[i].index);
536 if (UT_GET_DIR(req.bmRequestType) == UT_READ) {
537 b = buf;
538 USETW(req.wLength, sizeof(buf));
539 } else {
540 b = NULL;
541 USETW(req.wLength, 0);
542 }
543
544 err = usbd_do_request(sc->sc_udev, &req, b);
545 if (err) {
546 aprint_error_dev(sc->sc_dev,
547 "uplcom_pl2303x_init failed: %s\n",
548 usbd_errstr(err));
549 return EIO;
550 }
551 }
552
553 return 0;
554}
555
556void
557uplcom_set_line_state(struct uplcom_softc *sc)
558{
559 usb_device_request_t req;
560 int ls;
561
562 /* make sure we have initialized state for sc_dtr and sc_rts */
563 if (sc->sc_dtr == -1)
564 sc->sc_dtr = 0;
565 if (sc->sc_rts == -1)
566 sc->sc_rts = 0;
567
568 ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
569 (sc->sc_rts ? UCDC_LINE_RTS : 0);
570
571 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
572 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
573 USETW(req.wValue, ls);
574 USETW(req.wIndex, sc->sc_iface_number);
575 USETW(req.wLength, 0);
576
577 (void)usbd_do_request(sc->sc_udev, &req, 0);
578}
579
580void
581uplcom_set(void *addr, int portno, int reg, int onoff)
582{
583 struct uplcom_softc *sc = addr;
584
585 switch (reg) {
586 case UCOM_SET_DTR:
587 uplcom_dtr(sc, onoff);
588 break;
589 case UCOM_SET_RTS:
590 uplcom_rts(sc, onoff);
591 break;
592 case UCOM_SET_BREAK:
593 uplcom_break(sc, onoff);
594 break;
595 default:
596 break;
597 }
598}
599
600void
601uplcom_dtr(struct uplcom_softc *sc, int onoff)
602{
603
604 DPRINTF(("uplcom_dtr: onoff=%d\n", onoff));
605
606 if (sc->sc_dtr != -1 && !sc->sc_dtr == !onoff)
607 return;
608
609 sc->sc_dtr = !!onoff;
610
611 uplcom_set_line_state(sc);
612}
613
614void
615uplcom_rts(struct uplcom_softc *sc, int onoff)
616{
617 DPRINTF(("uplcom_rts: onoff=%d\n", onoff));
618
619 if (sc->sc_rts != -1 && !sc->sc_rts == !onoff)
620 return;
621
622 sc->sc_rts = !!onoff;
623
624 uplcom_set_line_state(sc);
625}
626
627void
628uplcom_break(struct uplcom_softc *sc, int onoff)
629{
630 usb_device_request_t req;
631
632 DPRINTF(("uplcom_break: onoff=%d\n", onoff));
633
634 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
635 req.bRequest = UCDC_SEND_BREAK;
636 USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
637 USETW(req.wIndex, sc->sc_iface_number);
638 USETW(req.wLength, 0);
639
640 (void)usbd_do_request(sc->sc_udev, &req, 0);
641}
642
643usbd_status
644uplcom_set_crtscts(struct uplcom_softc *sc)
645{
646 usb_device_request_t req;
647 usbd_status err;
648
649 DPRINTF(("uplcom_set_crtscts: on\n"));
650
651 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
652 req.bRequest = UPLCOM_SET_REQUEST;
653 USETW(req.wValue, 0);
654 if (sc->sc_type == UPLCOM_TYPE_HX)
655 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_HX);
656 else
657 USETW(req.wIndex, UPLCOM_SET_CRTSCTS_0);
658 USETW(req.wLength, 0);
659
660 err = usbd_do_request(sc->sc_udev, &req, 0);
661 if (err) {
662 DPRINTF(("uplcom_set_crtscts: failed, err=%s\n",
663 usbd_errstr(err)));
664 return err;
665 }
666
667 return USBD_NORMAL_COMPLETION;
668}
669
670usbd_status
671uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
672{
673 usb_device_request_t req;
674 usbd_status err;
675
676 DPRINTF(("uplcom_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
677 UGETDW(state->dwDTERate), state->bCharFormat,
678 state->bParityType, state->bDataBits));
679
680 if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
681 DPRINTF(("uplcom_set_line_coding: already set\n"));
682 return USBD_NORMAL_COMPLETION;
683 }
684
685 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
686 req.bRequest = UCDC_SET_LINE_CODING;
687 USETW(req.wValue, 0);
688 USETW(req.wIndex, sc->sc_iface_number);
689 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
690
691 err = usbd_do_request(sc->sc_udev, &req, state);
692 if (err) {
693 DPRINTF(("uplcom_set_line_coding: failed, err=%s\n",
694 usbd_errstr(err)));
695 return err;
696 }
697
698 sc->sc_line_state = *state;
699
700 return USBD_NORMAL_COMPLETION;
701}
702
703int
704uplcom_param(void *addr, int portno, struct termios *t)
705{
706 struct uplcom_softc *sc = addr;
707 usbd_status err;
708 usb_cdc_line_state_t ls;
709
710 DPRINTF(("uplcom_param: sc=%p\n", sc));
711
712 USETDW(ls.dwDTERate, t->c_ospeed);
713 if (ISSET(t->c_cflag, CSTOPB))
714 ls.bCharFormat = UCDC_STOP_BIT_2;
715 else
716 ls.bCharFormat = UCDC_STOP_BIT_1;
717 if (ISSET(t->c_cflag, PARENB)) {
718 if (ISSET(t->c_cflag, PARODD))
719 ls.bParityType = UCDC_PARITY_ODD;
720 else
721 ls.bParityType = UCDC_PARITY_EVEN;
722 } else
723 ls.bParityType = UCDC_PARITY_NONE;
724 switch (ISSET(t->c_cflag, CSIZE)) {
725 case CS5:
726 ls.bDataBits = 5;
727 break;
728 case CS6:
729 ls.bDataBits = 6;
730 break;
731 case CS7:
732 ls.bDataBits = 7;
733 break;
734 case CS8:
735 ls.bDataBits = 8;
736 break;
737 }
738
739 err = uplcom_set_line_coding(sc, &ls);
740 if (err) {
741 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
742 return EIO;
743 }
744
745 if (ISSET(t->c_cflag, CRTSCTS))
746 uplcom_set_crtscts(sc);
747
748 if (sc->sc_rts == -1 || sc->sc_dtr == -1)
749 uplcom_set_line_state(sc);
750
751 if (err) {
752 DPRINTF(("uplcom_param: err=%s\n", usbd_errstr(err)));
753 return EIO;
754 }
755
756 return 0;
757}
758
759Static usbd_status
760uplcom_vendor_control_write(struct usbd_device *dev, uint16_t value,
761 uint16_t index)
762{
763 usb_device_request_t req;
764 usbd_status err;
765
766 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
767 req.bRequest = UPLCOM_SET_REQUEST;
768 USETW(req.wValue, value);
769 USETW(req.wIndex, index);
770 USETW(req.wLength, 0);
771
772 err = usbd_do_request(dev, &req, NULL);
773
774 if (err) {
775 DPRINTF(("uplcom_open: vendor write failed, err=%s (%d)\n",
776 usbd_errstr(err), err));
777 }
778
779 return err;
780}
781
782int
783uplcom_open(void *addr, int portno)
784{
785 struct uplcom_softc *sc = addr;
786 usbd_status err;
787
788 if (sc->sc_dying)
789 return EIO;
790
791 DPRINTF(("uplcom_open: sc=%p\n", sc));
792
793 /* Some unknown device frobbing. */
794 if (sc->sc_type == UPLCOM_TYPE_HX)
795 uplcom_vendor_control_write(sc->sc_udev, 2, 0x44);
796 else
797 uplcom_vendor_control_write(sc->sc_udev, 2, 0x24);
798
799 if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
800 sc->sc_intr_buf = kmem_alloc(sc->sc_isize, KM_SLEEP);
801 err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number,
802 USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc,
803 sc->sc_intr_buf, sc->sc_isize,
804 uplcom_intr, USBD_DEFAULT_INTERVAL);
805 if (err) {
806 DPRINTF(("%s: cannot open interrupt pipe (addr %d)\n",
807 device_xname(sc->sc_dev), sc->sc_intr_number));
808 return EIO;
809 }
810 }
811
812 if (sc->sc_type == UPLCOM_TYPE_HX)
813 return uplcom_pl2303x_init(sc);
814
815 return 0;
816}
817
818void
819uplcom_close(void *addr, int portno)
820{
821 struct uplcom_softc *sc = addr;
822 int err;
823
824 if (sc->sc_dying)
825 return;
826
827 DPRINTF(("uplcom_close: close\n"));
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 device_xname(sc->sc_dev), usbd_errstr(err));
834 err = usbd_close_pipe(sc->sc_intr_pipe);
835 if (err)
836 printf("%s: close interrupt pipe failed: %s\n",
837 device_xname(sc->sc_dev), usbd_errstr(err));
838 kmem_free(sc->sc_intr_buf, sc->sc_isize);
839 sc->sc_intr_pipe = NULL;
840 }
841}
842
843void
844uplcom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status)
845{
846 struct uplcom_softc *sc = priv;
847 u_char *buf = sc->sc_intr_buf;
848 u_char pstatus;
849
850 if (sc->sc_dying)
851 return;
852
853 if (status != USBD_NORMAL_COMPLETION) {
854 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
855 return;
856
857 DPRINTF(("%s: abnormal status: %s\n", device_xname(sc->sc_dev),
858 usbd_errstr(status)));
859 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
860 return;
861 }
862
863 DPRINTF(("%s: uplcom status = %02x\n", device_xname(sc->sc_dev),
864 buf[8]));
865
866 sc->sc_lsr = sc->sc_msr = 0;
867 pstatus = buf[8];
868 if (ISSET(pstatus, UPLCOM_N_SERIAL_CTS))
869 sc->sc_msr |= UMSR_CTS;
870 if (ISSET(pstatus, UCDC_N_SERIAL_RI))
871 sc->sc_msr |= UMSR_RI;
872 if (ISSET(pstatus, UCDC_N_SERIAL_DSR))
873 sc->sc_msr |= UMSR_DSR;
874 if (ISSET(pstatus, UCDC_N_SERIAL_DCD))
875 sc->sc_msr |= UMSR_DCD;
876 ucom_status_change(device_private(sc->sc_subdev));
877}
878
879void
880uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
881{
882 struct uplcom_softc *sc = addr;
883
884 DPRINTF(("uplcom_get_status:\n"));
885
886 if (lsr != NULL)
887 *lsr = sc->sc_lsr;
888 if (msr != NULL)
889 *msr = sc->sc_msr;
890}
891
892#if TODO
893int
894uplcom_ioctl(void *addr, int portno, u_long cmd, void *data, int flag,
895 proc_t *p)
896{
897 struct uplcom_softc *sc = addr;
898 int error = 0;
899
900 if (sc->sc_dying)
901 return EIO;
902
903 DPRINTF(("uplcom_ioctl: cmd=0x%08lx\n", cmd));
904
905 switch (cmd) {
906 case TIOCNOTTY:
907 case TIOCMGET:
908 case TIOCMSET:
909 case USB_GET_CM_OVER_DATA:
910 case USB_SET_CM_OVER_DATA:
911 break;
912
913 default:
914 DPRINTF(("uplcom_ioctl: unknown\n"));
915 error = ENOTTY;
916 break;
917 }
918
919 return error;
920}
921#endif
922