1 /* $OpenBSD: uftdi.c,v 1.24 2005/05/24 03:26:05 pascoe Exp $ */
2 /* $NetBSD: uftdi.c,v 1.14 2003/02/23 04:20:07 simonb Exp $ */
3
4 /*
5 * Copyright (c) 2000 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Lennart Augustsson (lennart@augustsson.net).
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 /*
41 * FTDI FT8U100AX serial adapter driver
42 */
43
44 /*
45 * XXX This driver will not support multiple serial ports.
46 * XXX The ucom layer needs to be extended first.
47 */
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/kernel.h>
52 #include <sys/device.h>
53 #include <sys/conf.h>
54 #include <sys/tty.h>
55
56 #include <dev/usb/usb.h>
57 #include <dev/usb/usbhid.h>
58
59 #include <dev/usb/usbdi.h>
60 #include <dev/usb/usbdi_util.h>
61 #include <dev/usb/usbdevs.h>
62
63 #include <dev/usb/ucomvar.h>
64
65 #include <dev/usb/uftdireg.h>
66
67 #ifdef UFTDI_DEBUG
68 #define DPRINTF(x) do { if (uftdidebug) printf x; } while (0)
69 #define DPRINTFN(n,x) do { if (uftdidebug>(n)) printf x; } while (0)
70 int uftdidebug = 0;
71 #else
72 #define DPRINTF(x)
73 #define DPRINTFN(n,x)
74 #endif
75
76 #define UFTDI_CONFIG_INDEX 0
77 #define UFTDI_IFACE_INDEX 0
78
79
80 /*
81 * These are the maximum number of bytes transferred per frame.
82 * The output buffer size cannot be increased due to the size encoding.
83 */
84 #define UFTDIIBUFSIZE 64
85 #define UFTDIOBUFSIZE 64
86
87 struct uftdi_softc {
88 USBBASEDEVICE sc_dev; /* base device */
89 usbd_device_handle sc_udev; /* device */
90 usbd_interface_handle sc_iface; /* interface */
91
92 enum uftdi_type sc_type;
93 u_int sc_hdrlen;
94
95 u_char sc_msr;
96 u_char sc_lsr;
97
98 device_ptr_t sc_subdev;
99
100 u_char sc_dying;
101
102 u_int last_lcr;
103 };
104
105 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
106 Static void uftdi_set(void *, int, int, int);
107 Static int uftdi_param(void *, int, struct termios *);
108 Static int uftdi_open(void *sc, int portno);
109 Static void uftdi_read(void *sc, int portno, u_char **ptr,
110 u_int32_t *count);
111 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from,
112 u_int32_t *count);
113 Static void uftdi_break(void *sc, int portno, int onoff);
114
115 struct ucom_methods uftdi_methods = {
116 uftdi_get_status,
117 uftdi_set,
118 uftdi_param,
119 NULL,
120 uftdi_open,
121 NULL,
122 uftdi_read,
123 uftdi_write,
124 };
125
126 USB_DECLARE_DRIVER(uftdi);
127
USB_MATCH(uftdi)128 USB_MATCH(uftdi)
129 {
130 USB_MATCH_START(uftdi, uaa);
131
132 if (uaa->iface != NULL) {
133 if (uaa->vendor == USB_VENDOR_FTDI &&
134 (uaa->product == USB_PRODUCT_FTDI_SERIAL_2232C))
135 return (UMATCH_VENDOR_IFACESUBCLASS);
136 return (UMATCH_NONE);
137 }
138
139 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
140 uaa->vendor, uaa->product));
141
142 if (uaa->vendor == USB_VENDOR_FTDI &&
143 (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
144 uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM ||
145 uaa->product == USB_PRODUCT_FTDI_SEMC_DSS20 ||
146 uaa->product == USB_PRODUCT_FTDI_LCD_LK202_24 ||
147 uaa->product == USB_PRODUCT_FTDI_LCD_LK204_24 ||
148 uaa->product == USB_PRODUCT_FTDI_LCD_MX200 ||
149 uaa->product == USB_PRODUCT_FTDI_LCD_CFA_631 ||
150 uaa->product == USB_PRODUCT_FTDI_LCD_CFA_632 ||
151 uaa->product == USB_PRODUCT_FTDI_LCD_CFA_633 ||
152 uaa->product == USB_PRODUCT_FTDI_LCD_CFA_634))
153 return (UMATCH_VENDOR_PRODUCT);
154 if (uaa->vendor == USB_VENDOR_OCT &&
155 (uaa->product == USB_PRODUCT_OCT_US2308))
156 return (UMATCH_VENDOR_PRODUCT);
157 if (uaa->vendor == USB_VENDOR_INTREPIDCS &&
158 (uaa->product == USB_PRODUCT_INTREPIDCS_VALUECAN ||
159 uaa->product == USB_PRODUCT_INTREPIDCS_NEOVI))
160 return (UMATCH_VENDOR_PRODUCT);
161 if (uaa->vendor == USB_VENDOR_BBELECTR &&
162 (uaa->product == USB_PRODUCT_BBELECTR_USOTL4))
163 return (UMATCH_VENDOR_PRODUCT);
164 if (uaa->vendor == USB_VENDOR_FALCOM &&
165 (uaa->product == USB_PRODUCT_FALCOM_TWIST))
166 return (UMATCH_VENDOR_PRODUCT);
167 if (uaa->vendor == USB_VENDOR_SEALEVEL &&
168 uaa->product == USB_PRODUCT_SEALEVEL_2101)
169 return (UMATCH_VENDOR_PRODUCT);
170
171 return (UMATCH_NONE);
172 }
173
USB_ATTACH(uftdi)174 USB_ATTACH(uftdi)
175 {
176 USB_ATTACH_START(uftdi, sc, uaa);
177 usbd_device_handle dev = uaa->device;
178 usbd_interface_handle iface;
179 usb_interface_descriptor_t *id;
180 usb_endpoint_descriptor_t *ed;
181 char devinfo[1024];
182 char *devname = USBDEVNAME(sc->sc_dev);
183 int i;
184 usbd_status err;
185 struct ucom_attach_args uca;
186
187 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
188
189 if (uaa->iface == NULL) {
190 /* Move the device into the configured state. */
191 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
192 if (err) {
193 printf("\n%s: failed to set configuration, err=%s\n",
194 devname, usbd_errstr(err));
195 goto bad;
196 }
197
198 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
199 if (err) {
200 printf("\n%s: failed to get interface, err=%s\n",
201 devname, usbd_errstr(err));
202 goto bad;
203 }
204 } else
205 iface = uaa->iface;
206
207 usbd_devinfo(dev, 0, devinfo, sizeof devinfo);
208 USB_ATTACH_SETUP;
209 printf("%s: %s\n", devname, devinfo);
210
211 id = usbd_get_interface_descriptor(iface);
212
213 sc->sc_udev = dev;
214 sc->sc_iface = iface;
215
216 switch (uaa->vendor) {
217 case USB_VENDOR_FTDI:
218 switch (uaa->product) {
219 case USB_PRODUCT_FTDI_SERIAL_8U100AX:
220 sc->sc_type = UFTDI_TYPE_SIO;
221 sc->sc_hdrlen = 1;
222 break;
223
224 case USB_PRODUCT_FTDI_SEMC_DSS20:
225 case USB_PRODUCT_FTDI_SERIAL_8U232AM:
226 case USB_PRODUCT_FTDI_SERIAL_2232C:
227 case USB_PRODUCT_FTDI_LCD_LK202_24:
228 case USB_PRODUCT_FTDI_LCD_LK204_24:
229 case USB_PRODUCT_FTDI_LCD_MX200:
230 case USB_PRODUCT_FTDI_LCD_CFA_631:
231 case USB_PRODUCT_FTDI_LCD_CFA_632:
232 case USB_PRODUCT_FTDI_LCD_CFA_633:
233 case USB_PRODUCT_FTDI_LCD_CFA_634:
234 case USB_PRODUCT_SEALEVEL_2101:
235 sc->sc_type = UFTDI_TYPE_8U232AM;
236 sc->sc_hdrlen = 0;
237 break;
238
239 default: /* Can't happen */
240 goto bad;
241 }
242 break;
243
244 case USB_VENDOR_INTREPIDCS:
245 switch (uaa->product) {
246 case USB_PRODUCT_INTREPIDCS_VALUECAN:
247 case USB_PRODUCT_INTREPIDCS_NEOVI:
248 sc->sc_type = UFTDI_TYPE_8U232AM;
249 sc->sc_hdrlen = 0;
250 break;
251
252 default: /* Can't happen */
253 goto bad;
254 }
255 break;
256
257 case USB_VENDOR_OCT:
258 switch (uaa->product) {
259 case USB_PRODUCT_OCT_US2308:
260 sc->sc_type = UFTDI_TYPE_8U232AM;
261 sc->sc_hdrlen = 0;
262 break;
263
264 default: /* Can't happen */
265 goto bad;
266 }
267 break;
268
269 case USB_VENDOR_BBELECTR:
270 switch( uaa->product ){
271 case USB_PRODUCT_BBELECTR_USOTL4:
272 sc->sc_type = UFTDI_TYPE_8U232AM;
273 sc->sc_hdrlen = 0;
274 break;
275 default: /* Can't happen */
276 goto bad;
277 }
278 break;
279
280 case USB_VENDOR_FALCOM:
281 switch( uaa->product ){
282 case USB_PRODUCT_FALCOM_TWIST:
283 sc->sc_type = UFTDI_TYPE_8U232AM;
284 sc->sc_hdrlen = 0;
285 break;
286 default: /* Can't happen */
287 goto bad;
288 }
289 break;
290 }
291
292
293 uca.bulkin = uca.bulkout = -1;
294 for (i = 0; i < id->bNumEndpoints; i++) {
295 int addr, dir, attr;
296 ed = usbd_interface2endpoint_descriptor(iface, i);
297 if (ed == NULL) {
298 printf("%s: could not read endpoint descriptor\n",
299 devname);
300 goto bad;
301 }
302
303 addr = ed->bEndpointAddress;
304 dir = UE_GET_DIR(ed->bEndpointAddress);
305 attr = ed->bmAttributes & UE_XFERTYPE;
306 if (dir == UE_DIR_IN && attr == UE_BULK)
307 uca.bulkin = addr;
308 else if (dir == UE_DIR_OUT && attr == UE_BULK)
309 uca.bulkout = addr;
310 else {
311 printf("%s: unexpected endpoint\n", devname);
312 goto bad;
313 }
314 }
315 if (uca.bulkin == -1) {
316 printf("%s: Could not find data bulk in\n",
317 USBDEVNAME(sc->sc_dev));
318 goto bad;
319 }
320 if (uca.bulkout == -1) {
321 printf("%s: Could not find data bulk out\n",
322 USBDEVNAME(sc->sc_dev));
323 goto bad;
324 }
325
326 if (uaa->iface == NULL)
327 uca.portno = FTDI_PIT_SIOA;
328 else
329 uca.portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
330 /* bulkin, bulkout set above */
331 uca.ibufsize = UFTDIIBUFSIZE;
332 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
333 uca.ibufsizepad = UFTDIIBUFSIZE;
334 uca.opkthdrlen = sc->sc_hdrlen;
335 uca.device = dev;
336 uca.iface = iface;
337 uca.methods = &uftdi_methods;
338 uca.arg = sc;
339 uca.info = NULL;
340
341 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
342 USBDEV(sc->sc_dev));
343
344 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout));
345 sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
346
347 USB_ATTACH_SUCCESS_RETURN;
348
349 bad:
350 DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
351 sc->sc_dying = 1;
352 USB_ATTACH_ERROR_RETURN;
353 }
354
355 int
uftdi_activate(device_ptr_t self,enum devact act)356 uftdi_activate(device_ptr_t self, enum devact act)
357 {
358 struct uftdi_softc *sc = (struct uftdi_softc *)self;
359 int rv = 0;
360
361 switch (act) {
362 case DVACT_ACTIVATE:
363 return (EOPNOTSUPP);
364
365 case DVACT_DEACTIVATE:
366 if (sc->sc_subdev != NULL)
367 rv = config_deactivate(sc->sc_subdev);
368 sc->sc_dying = 1;
369 break;
370 }
371 return (rv);
372 }
373
374 int
uftdi_detach(device_ptr_t self,int flags)375 uftdi_detach(device_ptr_t self, int flags)
376 {
377 struct uftdi_softc *sc = (struct uftdi_softc *)self;
378
379 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags));
380 sc->sc_dying = 1;
381 if (sc->sc_subdev != NULL) {
382 config_detach(sc->sc_subdev, flags);
383 sc->sc_subdev = NULL;
384 }
385
386 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
387 USBDEV(sc->sc_dev));
388
389 return (0);
390 }
391
392 Static int
uftdi_open(void * vsc,int portno)393 uftdi_open(void *vsc, int portno)
394 {
395 struct uftdi_softc *sc = vsc;
396 usb_device_request_t req;
397 usbd_status err;
398 struct termios t;
399
400 DPRINTF(("uftdi_open: sc=%p\n", sc));
401
402 if (sc->sc_dying)
403 return (EIO);
404
405 /* Perform a full reset on the device */
406 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
407 req.bRequest = FTDI_SIO_RESET;
408 USETW(req.wValue, FTDI_SIO_RESET_SIO);
409 USETW(req.wIndex, portno);
410 USETW(req.wLength, 0);
411 err = usbd_do_request(sc->sc_udev, &req, NULL);
412 if (err)
413 return (EIO);
414
415 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
416 t.c_ospeed = 9600;
417 t.c_cflag = CSTOPB | CS8;
418 (void)uftdi_param(sc, portno, &t);
419
420 /* Turn on RTS/CTS flow control */
421 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
422 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
423 USETW(req.wValue, 0);
424 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
425 USETW(req.wLength, 0);
426 err = usbd_do_request(sc->sc_udev, &req, NULL);
427 if (err)
428 return (EIO);
429
430 return (0);
431 }
432
433 Static void
uftdi_read(void * vsc,int portno,u_char ** ptr,u_int32_t * count)434 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
435 {
436 struct uftdi_softc *sc = vsc;
437 u_char msr, lsr;
438
439 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
440 *count));
441
442 msr = FTDI_GET_MSR(*ptr);
443 lsr = FTDI_GET_LSR(*ptr);
444
445 #ifdef UFTDI_DEBUG
446 if (*count != 2)
447 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
448 "0x%02x\n", sc, portno, *count, (*ptr)[2]));
449 #endif
450
451 if (sc->sc_msr != msr ||
452 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
453 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
454 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
455 lsr, sc->sc_lsr));
456 sc->sc_msr = msr;
457 sc->sc_lsr = lsr;
458 ucom_status_change((struct ucom_softc *)sc->sc_subdev);
459 }
460
461 /* Pick up status and adjust data part. */
462 *ptr += 2;
463 *count -= 2;
464 }
465
466 Static void
uftdi_write(void * vsc,int portno,u_char * to,u_char * from,u_int32_t * count)467 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
468 {
469 struct uftdi_softc *sc = vsc;
470
471 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
472 vsc, portno, *count, from[0]));
473
474 /* Make length tag and copy data */
475 if (sc->sc_hdrlen > 0)
476 *to = FTDI_OUT_TAG(*count, portno);
477
478 memcpy(to + sc->sc_hdrlen, from, *count);
479 *count += sc->sc_hdrlen;
480 }
481
482 Static void
uftdi_set(void * vsc,int portno,int reg,int onoff)483 uftdi_set(void *vsc, int portno, int reg, int onoff)
484 {
485 struct uftdi_softc *sc = vsc;
486 usb_device_request_t req;
487 int ctl;
488
489 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
490 reg, onoff));
491
492 switch (reg) {
493 case UCOM_SET_DTR:
494 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
495 break;
496 case UCOM_SET_RTS:
497 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
498 break;
499 case UCOM_SET_BREAK:
500 uftdi_break(sc, portno, onoff);
501 return;
502 default:
503 return;
504 }
505 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
506 req.bRequest = FTDI_SIO_MODEM_CTRL;
507 USETW(req.wValue, ctl);
508 USETW(req.wIndex, portno);
509 USETW(req.wLength, 0);
510 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
511 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
512 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
513 (void)usbd_do_request(sc->sc_udev, &req, NULL);
514 }
515
516 Static int
uftdi_param(void * vsc,int portno,struct termios * t)517 uftdi_param(void *vsc, int portno, struct termios *t)
518 {
519 struct uftdi_softc *sc = vsc;
520 usb_device_request_t req;
521 usbd_status err;
522 int rate, data, flow;
523
524 DPRINTF(("uftdi_param: sc=%p\n", sc));
525
526 if (sc->sc_dying)
527 return (EIO);
528
529 switch (sc->sc_type) {
530 case UFTDI_TYPE_SIO:
531 switch (t->c_ospeed) {
532 case 300: rate = ftdi_sio_b300; break;
533 case 600: rate = ftdi_sio_b600; break;
534 case 1200: rate = ftdi_sio_b1200; break;
535 case 2400: rate = ftdi_sio_b2400; break;
536 case 4800: rate = ftdi_sio_b4800; break;
537 case 9600: rate = ftdi_sio_b9600; break;
538 case 19200: rate = ftdi_sio_b19200; break;
539 case 38400: rate = ftdi_sio_b38400; break;
540 case 57600: rate = ftdi_sio_b57600; break;
541 case 115200: rate = ftdi_sio_b115200; break;
542 default:
543 return (EINVAL);
544 }
545 break;
546
547 case UFTDI_TYPE_8U232AM:
548 switch(t->c_ospeed) {
549 case 300: rate = ftdi_8u232am_b300; break;
550 case 600: rate = ftdi_8u232am_b600; break;
551 case 1200: rate = ftdi_8u232am_b1200; break;
552 case 2400: rate = ftdi_8u232am_b2400; break;
553 case 4800: rate = ftdi_8u232am_b4800; break;
554 case 9600: rate = ftdi_8u232am_b9600; break;
555 case 19200: rate = ftdi_8u232am_b19200; break;
556 case 38400: rate = ftdi_8u232am_b38400; break;
557 case 57600: rate = ftdi_8u232am_b57600; break;
558 case 115200: rate = ftdi_8u232am_b115200; break;
559 case 230400: rate = ftdi_8u232am_b230400; break;
560 case 460800: rate = ftdi_8u232am_b460800; break;
561 case 921600: rate = ftdi_8u232am_b921600; break;
562 case 2000000: rate = ftdi_8u232am_b2000000; break;
563 case 3000000: rate = ftdi_8u232am_b3000000; break;
564 default:
565 return (EINVAL);
566 }
567 break;
568 }
569 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
570 req.bRequest = FTDI_SIO_SET_BAUD_RATE;
571 USETW(req.wValue, rate);
572 USETW(req.wIndex, portno);
573 USETW(req.wLength, 0);
574 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
575 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
576 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
577 err = usbd_do_request(sc->sc_udev, &req, NULL);
578 if (err)
579 return (EIO);
580
581 if (ISSET(t->c_cflag, CSTOPB))
582 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
583 else
584 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
585 if (ISSET(t->c_cflag, PARENB)) {
586 if (ISSET(t->c_cflag, PARODD))
587 data |= FTDI_SIO_SET_DATA_PARITY_ODD;
588 else
589 data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
590 } else
591 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
592 switch (ISSET(t->c_cflag, CSIZE)) {
593 case CS5:
594 data |= FTDI_SIO_SET_DATA_BITS(5);
595 break;
596 case CS6:
597 data |= FTDI_SIO_SET_DATA_BITS(6);
598 break;
599 case CS7:
600 data |= FTDI_SIO_SET_DATA_BITS(7);
601 break;
602 case CS8:
603 data |= FTDI_SIO_SET_DATA_BITS(8);
604 break;
605 }
606 sc->last_lcr = data;
607
608 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
609 req.bRequest = FTDI_SIO_SET_DATA;
610 USETW(req.wValue, data);
611 USETW(req.wIndex, portno);
612 USETW(req.wLength, 0);
613 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
614 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
615 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
616 err = usbd_do_request(sc->sc_udev, &req, NULL);
617 if (err)
618 return (EIO);
619
620 if (ISSET(t->c_cflag, CRTSCTS)) {
621 flow = FTDI_SIO_RTS_CTS_HS;
622 USETW(req.wValue, 0);
623 } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
624 flow = FTDI_SIO_XON_XOFF_HS;
625 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
626 } else {
627 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
628 USETW(req.wValue, 0);
629 }
630 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
631 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
632 USETW2(req.wIndex, flow, portno);
633 USETW(req.wLength, 0);
634 err = usbd_do_request(sc->sc_udev, &req, NULL);
635 if (err)
636 return (EIO);
637
638 return (0);
639 }
640
641 void
uftdi_get_status(void * vsc,int portno,u_char * lsr,u_char * msr)642 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
643 {
644 struct uftdi_softc *sc = vsc;
645
646 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
647 sc->sc_msr, sc->sc_lsr));
648
649 if (msr != NULL)
650 *msr = sc->sc_msr;
651 if (lsr != NULL)
652 *lsr = sc->sc_lsr;
653 }
654
655 void
uftdi_break(void * vsc,int portno,int onoff)656 uftdi_break(void *vsc, int portno, int onoff)
657 {
658 struct uftdi_softc *sc = vsc;
659 usb_device_request_t req;
660 int data;
661
662 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
663 onoff));
664
665 if (onoff) {
666 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
667 } else {
668 data = sc->last_lcr;
669 }
670
671 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
672 req.bRequest = FTDI_SIO_SET_DATA;
673 USETW(req.wValue, data);
674 USETW(req.wIndex, portno);
675 USETW(req.wLength, 0);
676 (void)usbd_do_request(sc->sc_udev, &req, NULL);
677 }
678