1/* $NetBSD: uftdi.c,v 1.62 2016/07/07 06:55:42 msaitoh 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 1.62 2016/07/07 06:55:42 msaitoh 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
55int 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 default number of bytes transferred per frame if the
67 * endpoint doesn't tell us. The output buffer size is a hard limit
68 * for devices that use a 6-bit size encoding.
69 */
70#define UFTDIIBUFSIZE 64
71#define UFTDIOBUFSIZE 64
72
73/*
74 * Magic constants! Where do these come from? They're what Linux uses...
75 */
76#define UFTDI_MAX_IBUFSIZE 512
77#define UFTDI_MAX_OBUFSIZE 256
78
79struct uftdi_softc {
80 device_t sc_dev; /* base device */
81 struct usbd_device * sc_udev; /* device */
82 struct usbd_interface * sc_iface[UFTDI_MAX_PORTS]; /* interface */
83
84 enum uftdi_type sc_type;
85 u_int sc_hdrlen;
86 u_int sc_numports;
87 u_int sc_chiptype;
88
89 u_char sc_msr;
90 u_char sc_lsr;
91
92 device_t sc_subdev[UFTDI_MAX_PORTS];
93
94 u_char sc_dying;
95
96 u_int last_lcr;
97
98};
99
100Static void uftdi_get_status(void *, int, u_char *, u_char *);
101Static void uftdi_set(void *, int, int, int);
102Static int uftdi_param(void *, int, struct termios *);
103Static int uftdi_open(void *, int);
104Static void uftdi_read(void *, int, u_char **, uint32_t *);
105Static void uftdi_write(void *, int, u_char *, u_char *,
106 uint32_t *);
107Static void uftdi_break(void *, int, int);
108
109struct ucom_methods uftdi_methods = {
110 .ucom_get_status = uftdi_get_status,
111 .ucom_set = uftdi_set,
112 .ucom_param = uftdi_param,
113 .ucom_ioctl = NULL,
114 .ucom_open = uftdi_open,
115 .ucom_close = NULL,
116 .ucom_read = uftdi_read,
117 .ucom_write = uftdi_write,
118};
119
120/*
121 * The devices default to UFTDI_TYPE_8U232AM.
122 * Remember to update uftdi_attach() if it should be UFTDI_TYPE_SIO instead
123 */
124static const struct usb_devno uftdi_devs[] = {
125 { USB_VENDOR_BBELECTRONICS, USB_PRODUCT_BBELECTRONICS_USOTL4 },
126 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_TWIST },
127 { USB_VENDOR_FALCOM, USB_PRODUCT_FALCOM_SAMBA },
128 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_230X },
129 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232H },
130 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_232RL },
131 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_2232C },
132 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_4232H },
133 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U100AX },
134 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SERIAL_8U232AM },
135 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_KW },
136 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_YS },
137 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y6 },
138 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y8 },
139 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_IC },
140 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_DB9 },
141 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_RS232 },
142 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MHAM_Y9 },
143 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_COASTAL_TNCX },
144 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_485_MINI },
145 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_CTI_NANO_485 },
146 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_SEMC_DSS20 },
147 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK202_24_USB },
148 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_LK204_24_USB },
149 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX200_USB },
150 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_MX4_MX5_USB },
151 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_631 },
152 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_632 },
153 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_633 },
154 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_634 },
155 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_LCD_CFA_635 },
156 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_OPENRD_JTAGKEY },
157 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_BEAGLEBONE },
158 { USB_VENDOR_FTDI, USB_PRODUCT_FTDI_MAXSTREAM_PKG_U },
159 { USB_VENDOR_xxFTDI, USB_PRODUCT_xxFTDI_SHEEVAPLUG_JTAG },
160 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_VALUECAN },
161 { USB_VENDOR_INTREPIDCS, USB_PRODUCT_INTREPIDCS_NEOVI },
162 { USB_VENDOR_MELCO, USB_PRODUCT_MELCO_PCOPRS1 },
163 { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60F },
164 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_USBSERIAL },
165 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P1 },
166 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P2 },
167 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P3 },
168 { USB_VENDOR_SEALEVEL, USB_PRODUCT_SEALEVEL_SEAPORT4P4 },
169 { USB_VENDOR_SIIG2, USB_PRODUCT_SIIG2_US2308 },
170 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK },
171 { USB_VENDOR_MISC, USB_PRODUCT_MISC_TELLSTICK_DUO },
172};
173#define uftdi_lookup(v, p) usb_lookup(uftdi_devs, v, p)
174
175int uftdi_match(device_t, cfdata_t, void *);
176void uftdi_attach(device_t, device_t, void *);
177void uftdi_childdet(device_t, device_t);
178int uftdi_detach(device_t, int);
179int uftdi_activate(device_t, enum devact);
180extern struct cfdriver uftdi_cd;
181CFATTACH_DECL2_NEW(uftdi, sizeof(struct uftdi_softc), uftdi_match,
182 uftdi_attach, uftdi_detach, uftdi_activate, NULL, uftdi_childdet);
183
184int
185uftdi_match(device_t parent, cfdata_t match, void *aux)
186{
187 struct usb_attach_arg *uaa = aux;
188
189 DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
190 uaa->uaa_vendor, uaa->uaa_product));
191
192 return uftdi_lookup(uaa->uaa_vendor, uaa->uaa_product) != NULL ?
193 UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
194}
195
196void
197uftdi_attach(device_t parent, device_t self, void *aux)
198{
199 struct uftdi_softc *sc = device_private(self);
200 struct usb_attach_arg *uaa = aux;
201 struct usbd_device *dev = uaa->uaa_device;
202 struct usbd_interface *iface;
203 usb_device_descriptor_t *ddesc;
204 usb_interface_descriptor_t *id;
205 usb_endpoint_descriptor_t *ed;
206 char *devinfop;
207 const char *devname = device_xname(self);
208 int i,idx;
209 usbd_status err;
210 struct ucom_attach_args ucaa;
211
212 DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
213
214 aprint_naive("\n");
215 aprint_normal("\n");
216
217 devinfop = usbd_devinfo_alloc(dev, 0);
218 aprint_normal_dev(self, "%s\n", devinfop);
219 usbd_devinfo_free(devinfop);
220
221 /* Move the device into the configured state. */
222 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
223 if (err) {
224 aprint_error("\n%s: failed to set configuration, err=%s\n",
225 devname, usbd_errstr(err));
226 goto bad;
227 }
228
229 sc->sc_dev = self;
230 sc->sc_udev = dev;
231 sc->sc_numports = 1;
232 sc->sc_type = UFTDI_TYPE_8U232AM; /* most devices are post-8U232AM */
233 sc->sc_hdrlen = 0;
234 if (uaa->uaa_vendor == USB_VENDOR_FTDI
235 && uaa->uaa_product == USB_PRODUCT_FTDI_SERIAL_8U100AX) {
236 sc->sc_type = UFTDI_TYPE_SIO;
237 sc->sc_hdrlen = 1;
238 }
239
240 ddesc = usbd_get_device_descriptor(dev);
241 sc->sc_chiptype = UGETW(ddesc->bcdDevice);
242 switch (sc->sc_chiptype) {
243 case 0x500: /* 2232D */
244 case 0x700: /* 2232H */
245 sc->sc_numports = 2;
246 break;
247 case 0x800: /* 4232H */
248 sc->sc_numports = 4;
249 break;
250 case 0x200: /* 232/245AM */
251 case 0x400: /* 232/245BL */
252 case 0x600: /* 232/245R */
253 default:
254 break;
255 }
256
257 for (idx = UFTDI_IFACE_INDEX; idx < sc->sc_numports; idx++) {
258 err = usbd_device2interface_handle(dev, idx, &iface);
259 if (err) {
260 aprint_error(
261 "\n%s: failed to get interface idx=%d, err=%s\n",
262 devname, idx, usbd_errstr(err));
263 goto bad;
264 }
265
266 id = usbd_get_interface_descriptor(iface);
267
268 sc->sc_iface[idx] = iface;
269
270 ucaa.ucaa_bulkin = ucaa.ucaa_bulkout = -1;
271 ucaa.ucaa_ibufsize = ucaa.ucaa_obufsize = 0;
272 for (i = 0; i < id->bNumEndpoints; i++) {
273 int addr, dir, attr;
274 ed = usbd_interface2endpoint_descriptor(iface, i);
275 if (ed == NULL) {
276 aprint_error_dev(self,
277 "could not read endpoint descriptor: %s\n",
278 usbd_errstr(err));
279 goto bad;
280 }
281
282 addr = ed->bEndpointAddress;
283 dir = UE_GET_DIR(ed->bEndpointAddress);
284 attr = ed->bmAttributes & UE_XFERTYPE;
285 if (dir == UE_DIR_IN && attr == UE_BULK) {
286 ucaa.ucaa_bulkin = addr;
287 ucaa.ucaa_ibufsize = UGETW(ed->wMaxPacketSize);
288 if (ucaa.ucaa_ibufsize >= UFTDI_MAX_IBUFSIZE)
289 ucaa.ucaa_ibufsize = UFTDI_MAX_IBUFSIZE;
290 } else if (dir == UE_DIR_OUT && attr == UE_BULK) {
291 ucaa.ucaa_bulkout = addr;
292 ucaa.ucaa_obufsize = UGETW(ed->wMaxPacketSize)
293 - sc->sc_hdrlen;
294 if (ucaa.ucaa_obufsize >= UFTDI_MAX_OBUFSIZE)
295 ucaa.ucaa_obufsize = UFTDI_MAX_OBUFSIZE;
296 /* Limit length if we have a 6-bit header. */
297 if ((sc->sc_hdrlen > 0) &&
298 (ucaa.ucaa_obufsize > UFTDIOBUFSIZE))
299 ucaa.ucaa_obufsize = UFTDIOBUFSIZE;
300 } else {
301 aprint_error_dev(self,
302 "unexpected endpoint\n");
303 goto bad;
304 }
305 }
306 if (ucaa.ucaa_bulkin == -1) {
307 aprint_error_dev(self,
308 "Could not find data bulk in\n");
309 goto bad;
310 }
311 if (ucaa.ucaa_bulkout == -1) {
312 aprint_error_dev(self,
313 "Could not find data bulk out\n");
314 goto bad;
315 }
316
317 ucaa.ucaa_portno = FTDI_PIT_SIOA + idx;
318 /* ucaa_bulkin, ucaa_bulkout set above */
319 if (ucaa.ucaa_ibufsize == 0)
320 ucaa.ucaa_ibufsize = UFTDIIBUFSIZE;
321 ucaa.ucaa_ibufsizepad = ucaa.ucaa_ibufsize;
322 if (ucaa.ucaa_obufsize == 0)
323 ucaa.ucaa_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
324 ucaa.ucaa_opkthdrlen = sc->sc_hdrlen;
325 ucaa.ucaa_device = dev;
326 ucaa.ucaa_iface = iface;
327 ucaa.ucaa_methods = &uftdi_methods;
328 ucaa.ucaa_arg = sc;
329 ucaa.ucaa_info = NULL;
330
331 DPRINTF(("uftdi: in=0x%x out=0x%x isize=0x%x osize=0x%x\n",
332 ucaa.ucaa_bulkin, ucaa.ucaa_bulkout,
333 ucaa.ucaa_ibufsize, ucaa.ucaa_obufsize));
334 sc->sc_subdev[idx] = config_found_sm_loc(self, "ucombus", NULL,
335 &ucaa, ucomprint, ucomsubmatch);
336 }
337
338 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev);
339
340 return;
341
342bad:
343 DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
344 sc->sc_dying = 1;
345 return;
346}
347
348int
349uftdi_activate(device_t self, enum devact act)
350{
351 struct uftdi_softc *sc = device_private(self);
352
353 switch (act) {
354 case DVACT_DEACTIVATE:
355 sc->sc_dying = 1;
356 return 0;
357 default:
358 return EOPNOTSUPP;
359 }
360}
361
362void
363uftdi_childdet(device_t self, device_t child)
364{
365 int i;
366 struct uftdi_softc *sc = device_private(self);
367
368 for (i = 0; i < sc->sc_numports; i++) {
369 if (sc->sc_subdev[i] == child)
370 break;
371 }
372 KASSERT(i < sc->sc_numports);
373 sc->sc_subdev[i] = NULL;
374}
375
376int
377uftdi_detach(device_t self, int flags)
378{
379 struct uftdi_softc *sc = device_private(self);
380 int i;
381
382 DPRINTF(("uftdi_detach: sc=%p flags=%d\n", sc, flags));
383 sc->sc_dying = 1;
384 for (i=0; i < sc->sc_numports; i++) {
385 if (sc->sc_subdev[i] != NULL)
386 config_detach(sc->sc_subdev[i], flags);
387 }
388
389 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev);
390
391 return 0;
392}
393
394Static int
395uftdi_open(void *vsc, int portno)
396{
397 struct uftdi_softc *sc = vsc;
398 usb_device_request_t req;
399 usbd_status err;
400 struct termios t;
401
402 DPRINTF(("uftdi_open: sc=%p\n", sc));
403
404 if (sc->sc_dying)
405 return EIO;
406
407 /* Perform a full reset on the device */
408 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
409 req.bRequest = FTDI_SIO_RESET;
410 USETW(req.wValue, FTDI_SIO_RESET_SIO);
411 USETW(req.wIndex, portno);
412 USETW(req.wLength, 0);
413 err = usbd_do_request(sc->sc_udev, &req, NULL);
414 if (err)
415 return EIO;
416
417 /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
418 t.c_ospeed = 9600;
419 t.c_cflag = CSTOPB | CS8;
420 (void)uftdi_param(sc, portno, &t);
421
422 /* Turn on RTS/CTS flow control */
423 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
424 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
425 USETW(req.wValue, 0);
426 USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
427 USETW(req.wLength, 0);
428 err = usbd_do_request(sc->sc_udev, &req, NULL);
429 if (err)
430 return EIO;
431
432 return 0;
433}
434
435Static void
436uftdi_read(void *vsc, int portno, u_char **ptr, uint32_t *count)
437{
438 struct uftdi_softc *sc = vsc;
439 u_char msr, lsr;
440
441 DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
442 *count));
443
444 msr = FTDI_GET_MSR(*ptr);
445 lsr = FTDI_GET_LSR(*ptr);
446
447#ifdef UFTDI_DEBUG
448 if (*count != 2)
449 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
450 "0x%02x\n", sc, portno, *count, (*ptr)[2]));
451#endif
452
453 if (sc->sc_msr != msr ||
454 (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
455 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
456 "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
457 lsr, sc->sc_lsr));
458 sc->sc_msr = msr;
459 sc->sc_lsr = lsr;
460 ucom_status_change(device_private(sc->sc_subdev[portno-1]));
461 }
462
463 /* Adjust buffer pointer to skip status prefix */
464 *ptr += 2;
465}
466
467Static void
468uftdi_write(void *vsc, int portno, u_char *to, u_char *from, uint32_t *count)
469{
470 struct uftdi_softc *sc = vsc;
471
472 DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
473 vsc, portno, *count, from[0]));
474
475 /* Make length tag and copy data */
476 if (sc->sc_hdrlen > 0)
477 *to = FTDI_OUT_TAG(*count, portno);
478
479 memcpy(to + sc->sc_hdrlen, from, *count);
480 *count += sc->sc_hdrlen;
481}
482
483Static void
484uftdi_set(void *vsc, int portno, int reg, int onoff)
485{
486 struct uftdi_softc *sc = vsc;
487 usb_device_request_t req;
488 int ctl;
489
490 DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
491 reg, onoff));
492
493 switch (reg) {
494 case UCOM_SET_DTR:
495 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
496 break;
497 case UCOM_SET_RTS:
498 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
499 break;
500 case UCOM_SET_BREAK:
501 uftdi_break(sc, portno, onoff);
502 return;
503 default:
504 return;
505 }
506 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
507 req.bRequest = FTDI_SIO_MODEM_CTRL;
508 USETW(req.wValue, ctl);
509 USETW(req.wIndex, portno);
510 USETW(req.wLength, 0);
511 DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
512 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
513 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
514 (void)usbd_do_request(sc->sc_udev, &req, NULL);
515}
516
517Static int
518uftdi_param(void *vsc, int portno, struct termios *t)
519{
520 struct uftdi_softc *sc = vsc;
521 usb_device_request_t req;
522 usbd_status err;
523 int rate, data, flow;
524
525 DPRINTF(("uftdi_param: sc=%p\n", sc));
526
527 if (sc->sc_dying)
528 return EIO;
529
530 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
531 req.bRequest = FTDI_SIO_SET_BITMODE;
532 USETW(req.wValue, FTDI_BITMODE_RESET << 8 | 0x00);
533 USETW(req.wIndex, portno);
534 USETW(req.wLength, 0);
535 err = usbd_do_request(sc->sc_udev, &req, NULL);
536 if (err)
537 return EIO;
538
539 switch (sc->sc_type) {
540 case UFTDI_TYPE_SIO:
541 switch (t->c_ospeed) {
542 case 300: rate = ftdi_sio_b300; break;
543 case 600: rate = ftdi_sio_b600; break;
544 case 1200: rate = ftdi_sio_b1200; break;
545 case 2400: rate = ftdi_sio_b2400; break;
546 case 4800: rate = ftdi_sio_b4800; break;
547 case 9600: rate = ftdi_sio_b9600; break;
548 case 19200: rate = ftdi_sio_b19200; break;
549 case 38400: rate = ftdi_sio_b38400; break;
550 case 57600: rate = ftdi_sio_b57600; break;
551 case 115200: rate = ftdi_sio_b115200; break;
552 default:
553 return EINVAL;
554 }
555 break;
556
557 case UFTDI_TYPE_8U232AM:
558 switch(t->c_ospeed) {
559 case 300: rate = ftdi_8u232am_b300; break;
560 case 600: rate = ftdi_8u232am_b600; break;
561 case 1200: rate = ftdi_8u232am_b1200; break;
562 case 2400: rate = ftdi_8u232am_b2400; break;
563 case 4800: rate = ftdi_8u232am_b4800; break;
564 case 9600: rate = ftdi_8u232am_b9600; break;
565 case 19200: rate = ftdi_8u232am_b19200; break;
566 case 38400: rate = ftdi_8u232am_b38400; break;
567 case 57600: rate = ftdi_8u232am_b57600; break;
568 case 115200: rate = ftdi_8u232am_b115200; break;
569 case 230400: rate = ftdi_8u232am_b230400; break;
570 case 460800: rate = ftdi_8u232am_b460800; break;
571 case 921600: rate = ftdi_8u232am_b921600; break;
572 default:
573 return EINVAL;
574 }
575 break;
576
577 default:
578 return EINVAL;
579 }
580 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
581 req.bRequest = FTDI_SIO_SET_BAUD_RATE;
582 USETW(req.wValue, rate);
583 USETW(req.wIndex, portno);
584 USETW(req.wLength, 0);
585 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
586 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
587 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
588 err = usbd_do_request(sc->sc_udev, &req, NULL);
589 if (err)
590 return EIO;
591
592 if (ISSET(t->c_cflag, CSTOPB))
593 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
594 else
595 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
596 if (ISSET(t->c_cflag, PARENB)) {
597 if (ISSET(t->c_cflag, PARODD))
598 data |= FTDI_SIO_SET_DATA_PARITY_ODD;
599 else
600 data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
601 } else
602 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
603 switch (ISSET(t->c_cflag, CSIZE)) {
604 case CS5:
605 data |= FTDI_SIO_SET_DATA_BITS(5);
606 break;
607 case CS6:
608 data |= FTDI_SIO_SET_DATA_BITS(6);
609 break;
610 case CS7:
611 data |= FTDI_SIO_SET_DATA_BITS(7);
612 break;
613 case CS8:
614 data |= FTDI_SIO_SET_DATA_BITS(8);
615 break;
616 }
617 sc->last_lcr = data;
618
619 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
620 req.bRequest = FTDI_SIO_SET_DATA;
621 USETW(req.wValue, data);
622 USETW(req.wIndex, portno);
623 USETW(req.wLength, 0);
624 DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
625 "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
626 UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
627 err = usbd_do_request(sc->sc_udev, &req, NULL);
628 if (err)
629 return EIO;
630
631 if (ISSET(t->c_cflag, CRTSCTS)) {
632 flow = FTDI_SIO_RTS_CTS_HS;
633 USETW(req.wValue, 0);
634 } else if (ISSET(t->c_iflag, IXON) && ISSET(t->c_iflag, IXOFF)) {
635 flow = FTDI_SIO_XON_XOFF_HS;
636 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
637 } else {
638 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
639 USETW(req.wValue, 0);
640 }
641 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
642 req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
643 USETW2(req.wIndex, flow, portno);
644 USETW(req.wLength, 0);
645 err = usbd_do_request(sc->sc_udev, &req, NULL);
646 if (err)
647 return EIO;
648
649 return 0;
650}
651
652void
653uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
654{
655 struct uftdi_softc *sc = vsc;
656
657 DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
658 sc->sc_msr, sc->sc_lsr));
659
660 if (msr != NULL)
661 *msr = sc->sc_msr;
662 if (lsr != NULL)
663 *lsr = sc->sc_lsr;
664}
665
666void
667uftdi_break(void *vsc, int portno, int onoff)
668{
669 struct uftdi_softc *sc = vsc;
670 usb_device_request_t req;
671 int data;
672
673 DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
674 onoff));
675
676 if (onoff) {
677 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
678 } else {
679 data = sc->last_lcr;
680 }
681
682 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
683 req.bRequest = FTDI_SIO_SET_DATA;
684 USETW(req.wValue, data);
685 USETW(req.wIndex, portno);
686 USETW(req.wLength, 0);
687 (void)usbd_do_request(sc->sc_udev, &req, NULL);
688}
689