FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/uftdi.c
1 /* $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $ */
2
3 /*-
4 * Copyright (c) 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (lennart@augustsson.net).
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 #include <sys/cdefs.h>
40 __FBSDID("$FreeBSD: releng/7.3/sys/dev/usb/uftdi.c 170987 2007-06-22 05:53:05Z imp $");
41
42 /*
43 * FTDI FT8U100AX serial adapter driver
44 */
45
46 #include <sys/cdefs.h>
47
48 #include <sys/param.h>
49 #include <sys/systm.h>
50 #include <sys/kernel.h>
51 #include <sys/malloc.h>
52 #include <sys/module.h>
53 #include <sys/bus.h>
54 #include <sys/ioccom.h>
55 #include <sys/fcntl.h>
56 #include <sys/conf.h>
57 #include <sys/tty.h>
58 #include <sys/file.h>
59
60 #include <sys/selinfo.h>
61
62 #include <sys/sysctl.h>
63
64 #include <dev/usb/usb.h>
65 #include <dev/usb/usbhid.h>
66
67 #include <dev/usb/usbdi.h>
68 #include <dev/usb/usbdi_util.h>
69 #include "usbdevs.h"
70
71 #include <dev/usb/ucomvar.h>
72
73 #include <dev/usb/uftdireg.h>
74
75 #ifdef USB_DEBUG
76 static int uftdidebug = 0;
77 SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
78 SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
79 &uftdidebug, 0, "uftdi debug level");
80 #define DPRINTF(x) do { \
81 if (uftdidebug) \
82 printf x; \
83 } while (0)
84
85 #define DPRINTFN(n, x) do { \
86 if (uftdidebug > (n)) \
87 printf x; \
88 } while (0)
89
90 #else
91 #define DPRINTF(x)
92 #define DPRINTFN(n,x)
93 #endif
94
95 #define UFTDI_CONFIG_INDEX 0
96 #define UFTDI_IFACE_INDEX 0
97
98
99 /*
100 * These are the maximum number of bytes transferred per frame.
101 * The output buffer size cannot be increased due to the size encoding.
102 */
103 #define UFTDIIBUFSIZE 64
104 #define UFTDIOBUFSIZE 64
105
106 struct uftdi_softc {
107 struct ucom_softc sc_ucom;
108 usbd_interface_handle sc_iface; /* interface */
109 enum uftdi_type sc_type;
110 u_int sc_hdrlen;
111 u_char sc_msr;
112 u_char sc_lsr;
113 u_int last_lcr;
114 };
115
116 static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
117 static void uftdi_set(void *, int, int, int);
118 static int uftdi_param(void *, int, struct termios *);
119 static int uftdi_open(void *sc, int portno);
120 static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
121 static void uftdi_write(void *sc, int portno, u_char *to, u_char *from,
122 u_int32_t *count);
123 static void uftdi_break(void *sc, int portno, int onoff);
124
125 struct ucom_callback uftdi_callback = {
126 uftdi_get_status,
127 uftdi_set,
128 uftdi_param,
129 NULL,
130 uftdi_open,
131 NULL,
132 uftdi_read,
133 uftdi_write,
134 };
135
136 static int
137 uftdi_match(device_t self)
138 {
139 struct usb_attach_arg *uaa = device_get_ivars(self);
140
141 if (uaa->iface != NULL) {
142 if (uaa->vendor == USB_VENDOR_FTDI &&
143 (uaa->product == USB_PRODUCT_FTDI_SERIAL_2232C))
144 return (UMATCH_VENDOR_IFACESUBCLASS);
145 return (UMATCH_NONE);
146 }
147
148 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
149 uaa->vendor, uaa->product));
150
151 if (uaa->vendor == USB_VENDOR_FTDI &&
152 (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
153 uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM ||
154 uaa->product == USB_PRODUCT_FTDI_SEMC_DSS20 ||
155 uaa->product == USB_PRODUCT_FTDI_CFA_631 ||
156 uaa->product == USB_PRODUCT_FTDI_CFA_632 ||
157 uaa->product == USB_PRODUCT_FTDI_CFA_633 ||
158 uaa->product == USB_PRODUCT_FTDI_CFA_634 ||
159 uaa->product == USB_PRODUCT_FTDI_CFA_635 ||
160 uaa->product == USB_PRODUCT_FTDI_USBSERIAL ||
161 uaa->product == USB_PRODUCT_FTDI_MX2_3 ||
162 uaa->product == USB_PRODUCT_FTDI_MX4_5 ||
163 uaa->product == USB_PRODUCT_FTDI_LK202 ||
164 uaa->product == USB_PRODUCT_FTDI_LK204 ||
165 uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M ||
166 uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S ||
167 uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U ||
168 uaa->product == USB_PRODUCT_FTDI_EISCOU ||
169 uaa->product == USB_PRODUCT_FTDI_UOPTBR ||
170 uaa->product == USB_PRODUCT_FTDI_EMCU2D ||
171 uaa->product == USB_PRODUCT_FTDI_PCMSFU ||
172 uaa->product == USB_PRODUCT_FTDI_EMCU2H ))
173 return (UMATCH_VENDOR_PRODUCT);
174 if (uaa->vendor == USB_VENDOR_SIIG2 &&
175 (uaa->product == USB_PRODUCT_SIIG2_US2308))
176 return (UMATCH_VENDOR_PRODUCT);
177 if (uaa->vendor == USB_VENDOR_INTREPIDCS &&
178 (uaa->product == USB_PRODUCT_INTREPIDCS_VALUECAN ||
179 uaa->product == USB_PRODUCT_INTREPIDCS_NEOVI))
180 return (UMATCH_VENDOR_PRODUCT);
181 if (uaa->vendor == USB_VENDOR_BBELECTRONICS &&
182 (uaa->product == USB_PRODUCT_BBELECTRONICS_USOTL4))
183 return (UMATCH_VENDOR_PRODUCT);
184 if (uaa->vendor == USB_VENDOR_MELCO &&
185 (uaa->product == USB_PRODUCT_MELCO_PCOPRS1))
186 return (UMATCH_VENDOR_PRODUCT);
187
188 return (UMATCH_NONE);
189 }
190
191 static int
192 uftdi_attach(device_t self)
193 {
194 struct uftdi_softc *sc = device_get_softc(self);
195 struct usb_attach_arg *uaa = device_get_ivars(self);
196 usbd_device_handle dev = uaa->device;
197 usbd_interface_handle iface;
198 usb_interface_descriptor_t *id;
199 usb_endpoint_descriptor_t *ed;
200 int i;
201 usbd_status err;
202 struct ucom_softc *ucom = &sc->sc_ucom;
203 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
204
205 ucom->sc_dev = self;
206 ucom->sc_udev = dev;
207
208 if (uaa->iface == NULL) {
209 /* Move the device into the configured state. */
210 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
211 if (err) {
212 device_printf(ucom->sc_dev,
213 "failed to set configuration, err=%s\n",
214 usbd_errstr(err));
215 goto bad;
216 }
217
218 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
219 if (err) {
220 device_printf(ucom->sc_dev,
221 "failed to get interface, err=%s\n", usbd_errstr(err));
222 goto bad;
223 }
224 } else {
225 iface = uaa->iface;
226 }
227
228 id = usbd_get_interface_descriptor(iface);
229 ucom->sc_iface = iface;
230 switch( uaa->vendor ){
231 case USB_VENDOR_FTDI:
232 switch( uaa->product ){
233 case USB_PRODUCT_FTDI_SERIAL_8U100AX:
234 sc->sc_type = UFTDI_TYPE_SIO;
235 sc->sc_hdrlen = 1;
236 break;
237 case USB_PRODUCT_FTDI_SEMC_DSS20:
238 case USB_PRODUCT_FTDI_SERIAL_8U232AM:
239 case USB_PRODUCT_FTDI_SERIAL_2232C:
240 case USB_PRODUCT_FTDI_CFA_631:
241 case USB_PRODUCT_FTDI_CFA_632:
242 case USB_PRODUCT_FTDI_CFA_633:
243 case USB_PRODUCT_FTDI_CFA_634:
244 case USB_PRODUCT_FTDI_CFA_635:
245 case USB_PRODUCT_FTDI_USBSERIAL:
246 case USB_PRODUCT_FTDI_MX2_3:
247 case USB_PRODUCT_FTDI_MX4_5:
248 case USB_PRODUCT_FTDI_LK202:
249 case USB_PRODUCT_FTDI_LK204:
250 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M:
251 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S:
252 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U:
253 case USB_PRODUCT_FTDI_EISCOU:
254 case USB_PRODUCT_FTDI_UOPTBR:
255 case USB_PRODUCT_FTDI_EMCU2D:
256 case USB_PRODUCT_FTDI_PCMSFU:
257 case USB_PRODUCT_FTDI_EMCU2H:
258 sc->sc_type = UFTDI_TYPE_8U232AM;
259 sc->sc_hdrlen = 0;
260 break;
261
262 default: /* Can't happen */
263 goto bad;
264 }
265 break;
266
267 case USB_VENDOR_INTREPIDCS:
268 switch( uaa->product ){
269 case USB_PRODUCT_INTREPIDCS_VALUECAN:
270 case USB_PRODUCT_INTREPIDCS_NEOVI:
271 sc->sc_type = UFTDI_TYPE_8U232AM;
272 sc->sc_hdrlen = 0;
273 break;
274
275 default: /* Can't happen */
276 goto bad;
277 }
278 break;
279
280 case USB_VENDOR_SIIG2:
281 switch( uaa->product ){
282 case USB_PRODUCT_SIIG2_US2308:
283 sc->sc_type = UFTDI_TYPE_8U232AM;
284 sc->sc_hdrlen = 0;
285 break;
286
287 default: /* Can't happen */
288 goto bad;
289 }
290 break;
291
292 case USB_VENDOR_BBELECTRONICS:
293 switch( uaa->product ){
294 case USB_PRODUCT_BBELECTRONICS_USOTL4:
295 sc->sc_type = UFTDI_TYPE_8U232AM;
296 sc->sc_hdrlen = 0;
297 break;
298
299 default: /* Can't happen */
300 goto bad;
301 }
302 break;
303
304 case USB_VENDOR_MELCO:
305 switch( uaa->product ){
306 case USB_PRODUCT_MELCO_PCOPRS1:
307 sc->sc_type = UFTDI_TYPE_8U232AM;
308 sc->sc_hdrlen = 0;
309 break;
310
311 default: /* Can't happen */
312 goto bad;
313 }
314 break;
315
316 default: /* Can't happen */
317 goto bad;
318 }
319
320 ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
321
322 for (i = 0; i < id->bNumEndpoints; i++) {
323 int addr, dir, attr;
324 ed = usbd_interface2endpoint_descriptor(iface, i);
325 if (ed == NULL) {
326 device_printf(ucom->sc_dev,
327 "could not read endpoint descriptor\n");
328 goto bad;
329 }
330
331 addr = ed->bEndpointAddress;
332 dir = UE_GET_DIR(ed->bEndpointAddress);
333 attr = ed->bmAttributes & UE_XFERTYPE;
334 if (dir == UE_DIR_IN && attr == UE_BULK)
335 ucom->sc_bulkin_no = addr;
336 else if (dir == UE_DIR_OUT && attr == UE_BULK)
337 ucom->sc_bulkout_no = addr;
338 else {
339 device_printf(ucom->sc_dev, "unexpected endpoint\n");
340 goto bad;
341 }
342 }
343 if (ucom->sc_bulkin_no == -1) {
344 device_printf(ucom->sc_dev, "Could not find data bulk in\n");
345 goto bad;
346 }
347 if (ucom->sc_bulkout_no == -1) {
348 device_printf(ucom->sc_dev, "Could not find data bulk out\n");
349 goto bad;
350 }
351 ucom->sc_parent = sc;
352 if (uaa->iface == NULL)
353 ucom->sc_portno = FTDI_PIT_SIOA;
354 else
355 ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
356 /* bulkin, bulkout set above */
357
358 ucom->sc_ibufsize = UFTDIIBUFSIZE;
359 ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
360 ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
361 ucom->sc_opkthdrlen = sc->sc_hdrlen;
362
363
364 ucom->sc_callback = &uftdi_callback;
365 #if 0
366 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
367 ucom->sc_dev);
368 #endif
369 DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
370 ucom_attach(&sc->sc_ucom);
371 return 0;
372
373 bad:
374 DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
375 ucom->sc_dying = 1;
376 return ENXIO;
377 }
378 #if 0
379 int
380 uftdi_activate(device_t self, enum devact act)
381 {
382 struct uftdi_softc *sc = (struct uftdi_softc *)self;
383 int rv = 0;
384
385 switch (act) {
386 case DVACT_ACTIVATE:
387 return (EOPNOTSUPP);
388
389 case DVACT_DEACTIVATE:
390 if (sc->sc_subdev != NULL)
391 rv = config_deactivate(sc->sc_subdev);
392 sc->sc_ucom.sc_dying = 1;
393 break;
394 }
395 return (rv);
396 }
397 #endif
398
399 static int
400 uftdi_detach(device_t self)
401 {
402 struct uftdi_softc *sc = device_get_softc(self);
403
404 int rv = 0;
405
406 DPRINTF(("uftdi_detach: sc=%p\n", sc));
407 sc->sc_ucom.sc_dying = 1;
408 rv = ucom_detach(&sc->sc_ucom);
409
410 return rv;
411 }
412
413 static int
414 uftdi_open(void *vsc, int portno)
415 {
416 struct uftdi_softc *sc = vsc;
417 struct ucom_softc *ucom = &sc->sc_ucom;
418 usb_device_request_t req;
419 usbd_status err;
420 struct termios t;
421
422 DPRINTF(("uftdi_open: sc=%p\n", sc));
423
424 if (ucom->sc_dying)
425 return (EIO);
426
427 /* Perform a full reset on the device */
428 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
429 req.bRequest = FTDI_SIO_RESET;
430 USETW(req.wValue, FTDI_SIO_RESET_SIO);
431 USETW(req.wIndex, portno);
432 USETW(req.wLength, 0);
433 err = usbd_do_request(ucom->sc_udev, &req, NULL);
434 if (err)
435 return (EIO);
436
437 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
438 t.c_ospeed = 9600;
439 t.c_cflag = CSTOPB | CS8;
440 (void)uftdi_param(sc, portno, &t);
441
442 /* Turn on RTS/CTS flow control */
443 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
444 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
445 USETW(req.wValue, 0);
446 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
447 USETW(req.wLength, 0);
448 err = usbd_do_request(ucom->sc_udev, &req, NULL);
449 if (err)
450 return (EIO);
451
452 return (0);
453 }
454
455 static void
456 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
457 {
458 struct uftdi_softc *sc = vsc;
459 u_char msr, lsr;
460
461 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
462 *count));
463
464 msr = FTDI_GET_MSR(*ptr);
465 lsr = FTDI_GET_LSR(*ptr);
466
467 #ifdef USB_DEBUG
468 if (*count != 2)
469 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
470 "0x%02x\n", sc, portno, *count, (*ptr)[2]));
471 #endif
472
473 if (sc->sc_msr != msr ||
474 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
475 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
476 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
477 lsr, sc->sc_lsr));
478 sc->sc_msr = msr;
479 sc->sc_lsr = lsr;
480 ucom_status_change(&sc->sc_ucom);
481 }
482
483 /* Pick up status and adjust data part. */
484 *ptr += 2;
485 *count -= 2;
486 }
487
488 static void
489 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
490 {
491 struct uftdi_softc *sc = vsc;
492
493 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
494 vsc, portno, *count, from[0]));
495
496 /* Make length tag and copy data */
497 if (sc->sc_hdrlen > 0)
498 *to = FTDI_OUT_TAG(*count, portno);
499
500 memcpy(to + sc->sc_hdrlen, from, *count);
501 *count += sc->sc_hdrlen;
502 }
503
504 static void
505 uftdi_set(void *vsc, int portno, int reg, int onoff)
506 {
507 struct uftdi_softc *sc = vsc;
508 struct ucom_softc *ucom = vsc;
509 usb_device_request_t req;
510 int ctl;
511
512 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
513 reg, onoff));
514
515 switch (reg) {
516 case UCOM_SET_DTR:
517 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
518 break;
519 case UCOM_SET_RTS:
520 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
521 break;
522 case UCOM_SET_BREAK:
523 uftdi_break(sc, portno, onoff);
524 return;
525 default:
526 return;
527 }
528 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
529 req.bRequest = FTDI_SIO_MODEM_CTRL;
530 USETW(req.wValue, ctl);
531 USETW(req.wIndex, portno);
532 USETW(req.wLength, 0);
533 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
534 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
535 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
536 (void)usbd_do_request(ucom->sc_udev, &req, NULL);
537 }
538
539 static int
540 uftdi_param(void *vsc, int portno, struct termios *t)
541 {
542 struct uftdi_softc *sc = vsc;
543 struct ucom_softc *ucom = &sc->sc_ucom;
544 usb_device_request_t req;
545 usbd_status err;
546 int rate=0, data, flow;
547
548 DPRINTF(("uftdi_param: sc=%p\n", sc));
549
550 if (ucom->sc_dying)
551 return (EIO);
552
553 switch (sc->sc_type) {
554 case UFTDI_TYPE_SIO:
555 switch (t->c_ospeed) {
556 case 300: rate = ftdi_sio_b300; break;
557 case 600: rate = ftdi_sio_b600; break;
558 case 1200: rate = ftdi_sio_b1200; break;
559 case 2400: rate = ftdi_sio_b2400; break;
560 case 4800: rate = ftdi_sio_b4800; break;
561 case 9600: rate = ftdi_sio_b9600; break;
562 case 19200: rate = ftdi_sio_b19200; break;
563 case 38400: rate = ftdi_sio_b38400; break;
564 case 57600: rate = ftdi_sio_b57600; break;
565 case 115200: rate = ftdi_sio_b115200; break;
566 default:
567 return (EINVAL);
568 }
569 break;
570
571 case UFTDI_TYPE_8U232AM:
572 switch(t->c_ospeed) {
573 case 300: rate = ftdi_8u232am_b300; break;
574 case 600: rate = ftdi_8u232am_b600; break;
575 case 1200: rate = ftdi_8u232am_b1200; break;
576 case 2400: rate = ftdi_8u232am_b2400; break;
577 case 4800: rate = ftdi_8u232am_b4800; break;
578 case 9600: rate = ftdi_8u232am_b9600; break;
579 case 19200: rate = ftdi_8u232am_b19200; break;
580 case 38400: rate = ftdi_8u232am_b38400; break;
581 case 57600: rate = ftdi_8u232am_b57600; break;
582 case 115200: rate = ftdi_8u232am_b115200; break;
583 case 230400: rate = ftdi_8u232am_b230400; break;
584 case 460800: rate = ftdi_8u232am_b460800; break;
585 case 921600: rate = ftdi_8u232am_b921600; break;
586 case 2000000: rate = ftdi_8u232am_b2000000; break;
587 case 3000000: rate = ftdi_8u232am_b3000000; break;
588 default:
589 return (EINVAL);
590 }
591 break;
592 }
593 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
594 req.bRequest = FTDI_SIO_SET_BAUD_RATE;
595 USETW(req.wValue, rate);
596 USETW(req.wIndex, portno);
597 USETW(req.wLength, 0);
598 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
599 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
600 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
601 err = usbd_do_request(ucom->sc_udev, &req, NULL);
602 if (err)
603 return (EIO);
604
605 if (ISSET(t->c_cflag, CSTOPB))
606 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
607 else
608 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
609 if (ISSET(t->c_cflag, PARENB)) {
610 if (ISSET(t->c_cflag, PARODD))
611 data |= FTDI_SIO_SET_DATA_PARITY_ODD;
612 else
613 data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
614 } else
615 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
616 switch (ISSET(t->c_cflag, CSIZE)) {
617 case CS5:
618 data |= FTDI_SIO_SET_DATA_BITS(5);
619 break;
620 case CS6:
621 data |= FTDI_SIO_SET_DATA_BITS(6);
622 break;
623 case CS7:
624 data |= FTDI_SIO_SET_DATA_BITS(7);
625 break;
626 case CS8:
627 data |= FTDI_SIO_SET_DATA_BITS(8);
628 break;
629 }
630 sc->last_lcr = data;
631
632 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
633 req.bRequest = FTDI_SIO_SET_DATA;
634 USETW(req.wValue, data);
635 USETW(req.wIndex, portno);
636 USETW(req.wLength, 0);
637 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
638 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
639 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
640 err = usbd_do_request(ucom->sc_udev, &req, NULL);
641 if (err)
642 return (EIO);
643
644 if (ISSET(t->c_cflag, CRTSCTS)) {
645 flow = FTDI_SIO_RTS_CTS_HS;
646 USETW(req.wValue, 0);
647 } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
648 flow = FTDI_SIO_XON_XOFF_HS;
649 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
650 } else {
651 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
652 USETW(req.wValue, 0);
653 }
654 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
655 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
656 USETW2(req.wIndex, flow, portno);
657 USETW(req.wLength, 0);
658 err = usbd_do_request(ucom->sc_udev, &req, NULL);
659 if (err)
660 return (EIO);
661
662 return (0);
663 }
664
665 void
666 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
667 {
668 struct uftdi_softc *sc = vsc;
669
670 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
671 sc->sc_msr, sc->sc_lsr));
672
673 if (msr != NULL)
674 *msr = sc->sc_msr;
675 if (lsr != NULL)
676 *lsr = sc->sc_lsr;
677 }
678
679 void
680 uftdi_break(void *vsc, int portno, int onoff)
681 {
682 struct uftdi_softc *sc = vsc;
683 struct ucom_softc *ucom = vsc;
684
685 usb_device_request_t req;
686 int data;
687
688 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
689 onoff));
690
691 if (onoff) {
692 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
693 } else {
694 data = sc->last_lcr;
695 }
696
697 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
698 req.bRequest = FTDI_SIO_SET_DATA;
699 USETW(req.wValue, data);
700 USETW(req.wIndex, portno);
701 USETW(req.wLength, 0);
702 (void)usbd_do_request(ucom->sc_udev, &req, NULL);
703 }
704
705 static device_method_t uftdi_methods[] = {
706 /* Device interface */
707 DEVMETHOD(device_probe, uftdi_match),
708 DEVMETHOD(device_attach, uftdi_attach),
709 DEVMETHOD(device_detach, uftdi_detach),
710
711 { 0, 0 }
712 };
713
714 static driver_t uftdi_driver = {
715 "ucom",
716 uftdi_methods,
717 sizeof (struct uftdi_softc)
718 };
719
720 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
721 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
722 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
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