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[netbsd-mini2440.git] / sys / dev / usb / uftdi.c
blob6a98c5573cb2971eff41aae2c7ad3d9cfb8e6e9c
1 /* $NetBSD: uftdi.c,v 1.43 2009/09/23 19:07:19 plunky 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: uftdi.c,v 1.43 2009/09/23 19:07:19 plunky Exp $");
34
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/device.h>
39 #include <sys/conf.h>
40 #include <sys/tty.h>
41
42 #include <dev/usb/usb.h>
43
44 #include <dev/usb/usbdi.h>
45 #include <dev/usb/usbdi_util.h>
46 #include <dev/usb/usbdevs.h>
47
48 #include <dev/usb/ucomvar.h>
49
50 #include <dev/usb/uftdireg.h>
51
52 #ifdef UFTDI_DEBUG
53 #define DPRINTF(x) if (uftdidebug) printf x
54 #define DPRINTFN(n,x) if (uftdidebug>(n)) printf x
55 int uftdidebug = 0;
56 #else
57 #define DPRINTF(x)
58 #define DPRINTFN(n,x)
59 #endif
60
61 #define UFTDI_CONFIG_INDEX 0
62 #define UFTDI_IFACE_INDEX 0
63 #define UFTDI_MAX_PORTS 4
64
65 /*
66 * These are the maximum number of bytes transferred per frame.
67 * The output buffer size cannot be increased due to the size encoding.
68 */
69 #define UFTDIIBUFSIZE 64
70 #define UFTDIOBUFSIZE 64
71
72 struct uftdi_softc {
73 USBBASEDEVICE sc_dev; /* base device */
74 usbd_device_handle sc_udev; /* device */
75 usbd_interface_handle sc_iface[UFTDI_MAX_PORTS]; /* interface */
76
77 enum uftdi_type sc_type;
78 u_int sc_hdrlen;
79 u_int sc_numports;
80 u_int sc_chiptype;
81
82 u_char sc_msr;
83 u_char sc_lsr;
84
85 device_ptr_t sc_subdev[UFTDI_MAX_PORTS];
86
87 u_char sc_dying;
88
89 u_int last_lcr;
90
91 };
92
93 Static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
94 Static void uftdi_set(void *, int, int, int);
95 Static int uftdi_param(void *, int, struct termios *);
96 Static int uftdi_open(void *sc, int portno);
97 Static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
98 Static void uftdi_write(void *sc, int portno, u_char *to, u_char *from,
99 u_int32_t *count);
100 Static void uftdi_break(void *sc, int portno, int onoff);
101
102 struct ucom_methods uftdi_methods = {
103 uftdi_get_status,
104 uftdi_set,
105 uftdi_param,
106 NULL,
107 uftdi_open,
108 NULL,
109 uftdi_read,
110 uftdi_write,
111 };
112
113 /*
114 * The devices default to UFTDI_TYPE_8U232AM.
115 * Remember to update USB_ATTACH if it should be UFTDI_TYPE_SIO instead
116 */
117 static const struct usb_devno uftdi_devs[] = {
118 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 },
119 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST },
120 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA },
121 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C },
122 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H },
123 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX },
124 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM },
125 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW },
126 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS },
127 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 },
128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 },
129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC },
130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 },
131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 },
132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 },
133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX },
134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB },
136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB },
137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB },
138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB },
139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 },
140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 },
141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 },
142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 },
143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 },
144 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN },
145 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI },
146 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F },
147 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL },
148 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 },
149 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 },
150 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 },
151 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 },
152 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 },
153 };
154 #define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p)
155
156 int uftdi_match(device_t, cfdata_t, void *);
157 void uftdi_attach(device_t, device_t, void *);
158 void uftdi_childdet(device_t, device_t);
159 int uftdi_detach(device_t, int);
160 int uftdi_activate(device_t, enum devact);
161 extern struct cfdriver uftdi_cd;
162 CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match,
163 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet);
164
165 USB_MATCH(uftdi)
166 {
167 USB_MATCH_START(uftdi, uaa);
168
169 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
170 uaa->vendor, uaa->product));
171
172 return (uftdi_lookup(uaa->vendor, uaa->product) != NULL ?
173 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
174 }
175
176 USB_ATTACH(uftdi)
177 {
178 USB_ATTACH_START(uftdi, sc, uaa);
179 usbd_device_handle dev = uaa->device;
180 usbd_interface_handle iface;
181 usb_device_descriptor_t *ddesc;
182 usb_interface_descriptor_t *id;
183 usb_endpoint_descriptor_t *ed;
184 char *devinfop;
185 const char *devname = device_xname(self);
186 int i,idx;
187 usbd_status err;
188 struct ucom_attach_args uca;
189
190 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
191
192 aprint_naive("\n");
193 aprint_normal("\n");
194
195 devinfop = usbd_devinfo_alloc(dev, 0);
196 aprint_normal_dev(self, "%s\n", devinfop);
197 usbd_devinfo_free(devinfop);
198
199 /* Move the device into the configured state. */
200 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
201 if (err) {
202 aprint_error("\n%s: failed to set configuration, err=%s\n",
203 devname, usbd_errstr(err));
204 goto bad;
205 }
206
207 sc->sc_dev = self;
208 sc->sc_udev = dev;
209 sc->sc_numports = 1;
210 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */
211 sc->sc_hdrlen = 0;
212 if (uaa->vendor == USB_VENDOR_FTDI
213 && uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX) {
214 sc->sc_type = UFTDI_TYPE_SIO;
215 sc->sc_hdrlen = 1;
216 }
217
218 ddesc = usbd_get_device_descriptor(dev);
219 sc->sc_chiptype = UGETW(ddesc->bcdDevice);
220 switch (sc->sc_chiptype) {
221 case 0x500: /* 2232D */
222 case 0x700: /* 2232H */
223 sc->sc_numports = 2;
224 break;
225 case 0x800: /* 4232H */
226 sc->sc_numports = 4;
227 break;
228 case 0x200: /* 232/245AM */
229 case 0x400: /* 232/245BL */
230 case 0x600: /* 232/245R */
231 default:
232 break;
233 }
234
235 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) {
236 err = usbd_device2interface_handle(dev, idx, &iface);
237 if (err) {
238 aprint_error(
239 "\n%s: failed to get interface idx=%d, err=%s\n",
240 devname, idx, usbd_errstr(err));
241 goto bad;
242 }
243
244 id = usbd_get_interface_descriptor(iface);
245
246 sc->sc_iface[idx] = iface;
247
248 uca.bulkin = uca.bulkout = -1;
249 for (i = 0; i < id->bNumEndpoints; i++) {
250 int addr, dir, attr;
251 ed = usbd_interface2endpoint_descriptor(iface, i);
252 if (ed == NULL) {
253 aprint_error_dev(self,
254 "could not read endpoint descriptor: %s\n",
255 usbd_errstr(err));
256 goto bad;
257 }
258
259 addr = ed->bEndpointAddress;
260 dir = UE_GET_DIR(ed->bEndpointAddress);
261 attr = ed->bmAttributes & UE_XFERTYPE;
262 if (dir == UE_DIR_IN && attr == UE_BULK)
263 uca.bulkin = addr;
264 else if (dir == UE_DIR_OUT && attr == UE_BULK)
265 uca.bulkout = addr;
266 else {
267 aprint_error_dev(self,
268 "unexpected endpoint\n");
269 goto bad;
270 }
271 }
272 if (uca.bulkin == -1) {
273 aprint_error_dev(self,
274 "Could not find data bulk in\n");
275 goto bad;
276 }
277 if (uca.bulkout == -1) {
278 aprint_error_dev(self,
279 "Could not find data bulk out\n");
280 goto bad;
281 }
282
283 uca.portno = FTDI_PIT_SIOA + idx;
284 /* bulkin, bulkout set above */
285 uca.ibufsize = UFTDIIBUFSIZE;
286 uca.obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
287 uca.ibufsizepad = UFTDIIBUFSIZE;
288 uca.opkthdrlen = sc->sc_hdrlen;
289 uca.device = dev;
290 uca.iface = iface;
291 uca.methods = &uftdi_methods;
292 uca.arg = sc;
293 uca.info = NULL;
294
295 DPRINTF(("uftdi: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout));
296 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL,
297 &uca, ucomprint, ucomsubmatch);
298 }
299
300 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
301 USBDEV(sc->sc_dev));
302
303 USB_ATTACH_SUCCESS_RETURN;
304
305 bad:
306 DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
307 sc->sc_dying = 1;
308 USB_ATTACH_ERROR_RETURN;
309 }
310
311 int
312 uftdi_activate(device_t self, enum devact act)
313 {
314 struct uftdi_softc *sc = device_private(self);
315
316 switch (act) {
317 case DVACT_DEACTIVATE:
318 sc->sc_dying = 1;
319 return 0;
320 default:
321 return EOPNOTSUPP;
322 }
323 }
324
325 void
326 uftdi_childdet(device_t self, device_t child)
327 {
328 int i;
329 struct uftdi_softc *sc = device_private(self);
330
331 for (i = 0; i < sc->sc_numports; i++) {
332 if (sc->sc_subdev[i] == child)
333 break;
334 }
335 KASSERT(i < sc->sc_numports);
336 sc->sc_subdev[i] = NULL;
337 }
338
339 int
340 uftdi_detach(device_t self, int flags)
341 {
342 struct uftdi_softc *sc = device_private(self);
343 int i;
344
345 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags));
346 sc->sc_dying = 1;
347 for (i=0; i < sc->sc_numports; i++) {
348 if (sc->sc_subdev[i] != NULL)
349 config_detach(sc->sc_subdev[i], flags);
350 }
351
352 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
353 USBDEV(sc->sc_dev));
354
355 return (0);
356 }
357
358 Static int
359 uftdi_open(void *vsc, int portno)
360 {
361 struct uftdi_softc *sc = vsc;
362 usb_device_request_t req;
363 usbd_status err;
364 struct termios t;
365
366 DPRINTF(("uftdi_open: sc=%p\n", sc));
367
368 if (sc->sc_dying)
369 return (EIO);
370
371 /* Perform a full reset on the device */
372 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
373 req.bRequest = FTDI_SIO_RESET;
374 USETW(req.wValue, FTDI_SIO_RESET_SIO);
375 USETW(req.wIndex, portno);
376 USETW(req.wLength, 0);
377 err = usbd_do_request(sc->sc_udev, &req, NULL);
378 if (err)
379 return (EIO);
380
381 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
382 t.c_ospeed = 9600;
383 t.c_cflag = CSTOPB | CS8;
384 (void)uftdi_param(sc, portno, &t);
385
386 /* Turn on RTS/CTS flow control */
387 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
388 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
389 USETW(req.wValue, 0);
390 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
391 USETW(req.wLength, 0);
392 err = usbd_do_request(sc->sc_udev, &req, NULL);
393 if (err)
394 return (EIO);
395
396 return (0);
397 }
398
399 Static void
400 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
401 {
402 struct uftdi_softc *sc = vsc;
403 u_char msr, lsr;
404
405 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
406 *count));
407
408 msr = FTDI_GET_MSR(*ptr);
409 lsr = FTDI_GET_LSR(*ptr);
410
411 #ifdef UFTDI_DEBUG
412 if (*count != 2)
413 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
414 "0x%02x\n", sc, portno, *count, (*ptr)[2]));
415 #endif
416
417 if (sc->sc_msr != msr ||
418 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
419 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
420 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
421 lsr, sc->sc_lsr));
422 sc->sc_msr = msr;
423 sc->sc_lsr = lsr;
424 ucom_status_change(device_private(sc->sc_subdev[portno-1]));
425 }
426
427 /* Pick up status and adjust data part. */
428 *ptr += 2;
429 *count -= 2;
430 }
431
432 Static void
433 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
434 {
435 struct uftdi_softc *sc = vsc;
436
437 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
438 vsc, portno, *count, from[0]));
439
440 /* Make length tag and copy data */
441 if (sc->sc_hdrlen > 0)
442 *to = FTDI_OUT_TAG(*count, portno);
443
444 memcpy(to + sc->sc_hdrlen, from, *count);
445 *count += sc->sc_hdrlen;
446 }
447
448 Static void
449 uftdi_set(void *vsc, int portno, int reg, int onoff)
450 {
451 struct uftdi_softc *sc = vsc;
452 usb_device_request_t req;
453 int ctl;
454
455 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
456 reg, onoff));
457
458 switch (reg) {
459 case UCOM_SET_DTR:
460 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
461 break;
462 case UCOM_SET_RTS:
463 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
464 break;
465 case UCOM_SET_BREAK:
466 uftdi_break(sc, portno, onoff);
467 return;
468 default:
469 return;
470 }
471 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
472 req.bRequest = FTDI_SIO_MODEM_CTRL;
473 USETW(req.wValue, ctl);
474 USETW(req.wIndex, portno);
475 USETW(req.wLength, 0);
476 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
477 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
478 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
479 (void)usbd_do_request(sc->sc_udev, &req, NULL);
480 }
481
482 Static int
483 uftdi_param(void *vsc, int portno, struct termios *t)
484 {
485 struct uftdi_softc *sc = vsc;
486 usb_device_request_t req;
487 usbd_status err;
488 int rate, data, flow;
489
490 DPRINTF(("uftdi_param: sc=%p\n", sc));
491
492 if (sc->sc_dying)
493 return (EIO);
494
495 switch (sc->sc_type) {
496 case UFTDI_TYPE_SIO:
497 switch (t->c_ospeed) {
498 case 300: rate = ftdi_sio_b300; break;
499 case 600: rate = ftdi_sio_b600; break;
500 case 1200: rate = ftdi_sio_b1200; break;
501 case 2400: rate = ftdi_sio_b2400; break;
502 case 4800: rate = ftdi_sio_b4800; break;
503 case 9600: rate = ftdi_sio_b9600; break;
504 case 19200: rate = ftdi_sio_b19200; break;
505 case 38400: rate = ftdi_sio_b38400; break;
506 case 57600: rate = ftdi_sio_b57600; break;
507 case 115200: rate = ftdi_sio_b115200; break;
508 default:
509 return (EINVAL);
510 }
511 break;
512
513 case UFTDI_TYPE_8U232AM:
514 switch(t->c_ospeed) {
515 case 300: rate = ftdi_8u232am_b300; break;
516 case 600: rate = ftdi_8u232am_b600; break;
517 case 1200: rate = ftdi_8u232am_b1200; break;
518 case 2400: rate = ftdi_8u232am_b2400; break;
519 case 4800: rate = ftdi_8u232am_b4800; break;
520 case 9600: rate = ftdi_8u232am_b9600; break;
521 case 19200: rate = ftdi_8u232am_b19200; break;
522 case 38400: rate = ftdi_8u232am_b38400; break;
523 case 57600: rate = ftdi_8u232am_b57600; break;
524 case 115200: rate = ftdi_8u232am_b115200; break;
525 case 230400: rate = ftdi_8u232am_b230400; break;
526 case 460800: rate = ftdi_8u232am_b460800; break;
527 case 921600: rate = ftdi_8u232am_b921600; break;
528 default:
529 return (EINVAL);
530 }
531 break;
532
533 default:
534 return (EINVAL);
535 }
536 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
537 req.bRequest = FTDI_SIO_SET_BAUD_RATE;
538 USETW(req.wValue, rate);
539 USETW(req.wIndex, portno);
540 USETW(req.wLength, 0);
541 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
542 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
543 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
544 err = usbd_do_request(sc->sc_udev, &req, NULL);
545 if (err)
546 return (EIO);
547
548 if (ISSET(t->c_cflag, CSTOPB))
549 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
550 else
551 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
552 if (ISSET(t->c_cflag, PARENB)) {
553 if (ISSET(t->c_cflag, PARODD))
554 data |= FTDI_SIO_SET_DATA_PARITY_ODD;
555 else
556 data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
557 } else
558 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
559 switch (ISSET(t->c_cflag, CSIZE)) {
560 case CS5:
561 data |= FTDI_SIO_SET_DATA_BITS(5);
562 break;
563 case CS6:
564 data |= FTDI_SIO_SET_DATA_BITS(6);
565 break;
566 case CS7:
567 data |= FTDI_SIO_SET_DATA_BITS(7);
568 break;
569 case CS8:
570 data |= FTDI_SIO_SET_DATA_BITS(8);
571 break;
572 }
573 sc->last_lcr = data;
574
575 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
576 req.bRequest = FTDI_SIO_SET_DATA;
577 USETW(req.wValue, data);
578 USETW(req.wIndex, portno);
579 USETW(req.wLength, 0);
580 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
581 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
582 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
583 err = usbd_do_request(sc->sc_udev, &req, NULL);
584 if (err)
585 return (EIO);
586
587 if (ISSET(t->c_cflag, CRTSCTS)) {
588 flow = FTDI_SIO_RTS_CTS_HS;
589 USETW(req.wValue, 0);
590 } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
591 flow = FTDI_SIO_XON_XOFF_HS;
592 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
593 } else {
594 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
595 USETW(req.wValue, 0);
596 }
597 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
598 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
599 USETW2(req.wIndex, flow, portno);
600 USETW(req.wLength, 0);
601 err = usbd_do_request(sc->sc_udev, &req, NULL);
602 if (err)
603 return (EIO);
604
605 return (0);
606 }
607
608 void
609 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
610 {
611 struct uftdi_softc *sc = vsc;
612
613 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
614 sc->sc_msr, sc->sc_lsr));
615
616 if (msr != NULL)
617 *msr = sc->sc_msr;
618 if (lsr != NULL)
619 *lsr = sc->sc_lsr;
620 }
621
622 void
623 uftdi_break(void *vsc, int portno, int onoff)
624 {
625 struct uftdi_softc *sc = vsc;
626 usb_device_request_t req;
627 int data;
628
629 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
630 onoff));
631
632 if (onoff) {
633 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
634 } else {
635 data = sc->last_lcr;
636 }
637
638 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
639 req.bRequest = FTDI_SIO_SET_DATA;
640 USETW(req.wValue, data);
641 USETW(req.wIndex, portno);
642 USETW(req.wLength, 0);
643 (void)usbd_do_request(sc->sc_udev, &req, NULL);
644 }
NetBSD on the FriendlyARM MINI2440