Line data Source code
1 : /* $OpenBSD: uticom.c,v 1.33 2018/03/15 00:42:41 kevlo Exp $ */
2 : /*
3 : * Copyright (c) 2005 Dmitry Komissaroff <dxi@mail.ru>.
4 : *
5 : * Redistribution and use in source and binary forms, with or without
6 : * modification, are permitted provided that the following conditions
7 : * are met:
8 : * 1. Redistributions of source code must retain the above copyright
9 : * notice, this list of conditions and the following disclaimer.
10 : * 2. Redistributions in binary form must reproduce the above copyright
11 : * notice, this list of conditions and the following disclaimer in the
12 : * documentation and/or other materials provided with the distribution.
13 : *
14 : * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 : * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 : * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 : * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 : * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 : * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 : * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 : * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 : * SUCH DAMAGE.
25 : */
26 :
27 : #include <sys/param.h>
28 : #include <sys/systm.h>
29 : #include <sys/kernel.h>
30 : #include <sys/device.h>
31 : #include <sys/malloc.h>
32 : #include <sys/conf.h>
33 : #include <sys/tty.h>
34 :
35 : #include <machine/bus.h>
36 :
37 : #include <dev/usb/usb.h>
38 : #include <dev/usb/usbdi.h>
39 : #include <dev/usb/usbdivar.h>
40 : #include <dev/usb/usbdi_util.h>
41 : #include <dev/usb/usbdevs.h>
42 : #include <dev/usb/usbcdc.h>
43 :
44 : #include <dev/usb/ucomvar.h>
45 :
46 : #ifdef UTICOM_DEBUG
47 : static int uticomdebug = 0;
48 : #define DPRINTFN(n, x) do { if (uticomdebug > (n)) printf x; } while (0)
49 : #else
50 : #define DPRINTFN(n, x)
51 : #endif
52 :
53 : #define DPRINTF(x) DPRINTFN(0, x)
54 :
55 : #define UTICOM_CONFIG_INDEX 1
56 : #define UTICOM_ACTIVE_INDEX 2
57 :
58 : #define UTICOM_IFACE_INDEX 0
59 :
60 : /*
61 : * These are the maximum number of bytes transferred per frame.
62 : * The output buffer size cannot be increased due to the size encoding.
63 : */
64 : #define UTICOM_IBUFSZ 64
65 : #define UTICOM_OBUFSZ 64
66 :
67 : #define UTICOM_FW_BUFSZ 16284
68 :
69 : #define UTICOM_INTR_INTERVAL 100 /* ms */
70 :
71 : #define UTICOM_RQ_LINE 0
72 : /* Used to sync data0/1-toggle on reopen bulk pipe. */
73 : #define UTICOM_RQ_SOF 1
74 : #define UTICOM_RQ_SON 2
75 :
76 : #define UTICOM_RQ_BAUD 3
77 : #define UTICOM_RQ_LCR 4
78 : #define UTICOM_RQ_FCR 5
79 : #define UTICOM_RQ_RTS 6
80 : #define UTICOM_RQ_DTR 7
81 : #define UTICOM_RQ_BREAK 8
82 : #define UTICOM_RQ_CRTSCTS 9
83 :
84 : #define UTICOM_BRATE_REF 923077
85 :
86 : #define UTICOM_SET_DATA_BITS(x) (x - 5)
87 :
88 : #define UTICOM_STOP_BITS_1 0x00
89 : #define UTICOM_STOP_BITS_2 0x40
90 :
91 : #define UTICOM_PARITY_NONE 0x00
92 : #define UTICOM_PARITY_ODD 0x08
93 : #define UTICOM_PARITY_EVEN 0x18
94 :
95 : #define UTICOM_LCR_OVR 0x1
96 : #define UTICOM_LCR_PTE 0x2
97 : #define UTICOM_LCR_FRE 0x4
98 : #define UTICOM_LCR_BRK 0x8
99 :
100 : #define UTICOM_MCR_CTS 0x1
101 : #define UTICOM_MCR_DSR 0x2
102 : #define UTICOM_MCR_CD 0x4
103 : #define UTICOM_MCR_RI 0x8
104 :
105 : /* Structures */
106 : struct uticom_fw_header {
107 : uint16_t length;
108 : uint8_t checkSum;
109 : } __packed;
110 :
111 : struct uticom_buf {
112 : unsigned int buf_size;
113 : char *buf_buf;
114 : char *buf_get;
115 : char *buf_put;
116 : };
117 :
118 : struct uticom_softc {
119 : struct device sc_dev; /* base device */
120 : struct usbd_device *sc_udev; /* device */
121 : struct usbd_interface *sc_iface; /* interface */
122 :
123 : struct usbd_interface *sc_intr_iface; /* interrupt interface */
124 : int sc_intr_number; /* interrupt number */
125 : struct usbd_pipe *sc_intr_pipe; /* interrupt pipe */
126 : u_char *sc_intr_buf; /* interrupt buffer */
127 : int sc_isize;
128 :
129 : u_char sc_dtr; /* current DTR state */
130 : u_char sc_rts; /* current RTS state */
131 : u_char sc_status;
132 :
133 : u_char sc_lsr; /* Local status register */
134 : u_char sc_msr; /* uticom status register */
135 :
136 : struct device *sc_subdev;
137 : };
138 :
139 : static usbd_status uticom_reset(struct uticom_softc *);
140 : static usbd_status uticom_set_crtscts(struct uticom_softc *);
141 : static void uticom_intr(struct usbd_xfer *, void *, usbd_status);
142 :
143 : static void uticom_set(void *, int, int, int);
144 : static void uticom_dtr(struct uticom_softc *, int);
145 : static void uticom_rts(struct uticom_softc *, int);
146 : static void uticom_break(struct uticom_softc *, int);
147 : static void uticom_get_status(void *, int, u_char *, u_char *);
148 : static int uticom_param(void *, int, struct termios *);
149 : static int uticom_open(void *, int);
150 : static void uticom_close(void *, int);
151 :
152 : void uticom_attach_hook(struct device *);
153 :
154 : static int uticom_download_fw(struct uticom_softc *sc, int pipeno,
155 : struct usbd_device *dev);
156 :
157 : struct ucom_methods uticom_methods = {
158 : uticom_get_status,
159 : uticom_set,
160 : uticom_param,
161 : NULL,
162 : uticom_open,
163 : uticom_close,
164 : NULL,
165 : NULL
166 : };
167 :
168 : int uticom_match(struct device *, void *, void *);
169 : void uticom_attach(struct device *, struct device *, void *);
170 : int uticom_detach(struct device *, int);
171 :
172 : struct cfdriver uticom_cd = {
173 : NULL, "uticom", DV_DULL
174 : };
175 :
176 : const struct cfattach uticom_ca = {
177 : sizeof(struct uticom_softc), uticom_match, uticom_attach, uticom_detach
178 : };
179 :
180 : static const struct usb_devno uticom_devs[] = {
181 : { USB_VENDOR_TI, USB_PRODUCT_TI_TUSB3410 },
182 : { USB_VENDOR_TI, USB_PRODUCT_TI_MSP430_JTAG },
183 : { USB_VENDOR_STARTECH, USB_PRODUCT_STARTECH_ICUSB232X },
184 : { USB_VENDOR_MOXA, USB_PRODUCT_MOXA_UPORT1110 },
185 : { USB_VENDOR_ABBOTT, USB_PRODUCT_ABBOTT_STEREO_PLUG }
186 : };
187 :
188 : int
189 0 : uticom_match(struct device *parent, void *match, void *aux)
190 : {
191 0 : struct usb_attach_arg *uaa = aux;
192 :
193 0 : if (uaa->iface != NULL)
194 0 : return (UMATCH_NONE);
195 :
196 0 : return (usb_lookup(uticom_devs, uaa->vendor, uaa->product) != NULL ?
197 : UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
198 0 : }
199 :
200 : void
201 0 : uticom_attach(struct device *parent, struct device *self, void *aux)
202 : {
203 0 : struct uticom_softc *sc = (struct uticom_softc *)self;
204 0 : struct usb_attach_arg *uaa = aux;
205 0 : struct usbd_device *dev = uaa->device;
206 :
207 0 : sc->sc_udev = dev;
208 0 : sc->sc_iface = uaa->iface;
209 :
210 0 : config_mountroot(self, uticom_attach_hook);
211 0 : }
212 :
213 : void
214 0 : uticom_attach_hook(struct device *self)
215 : {
216 0 : struct uticom_softc *sc = (struct uticom_softc *)self;
217 : usb_config_descriptor_t *cdesc;
218 : usb_interface_descriptor_t *id;
219 : usb_endpoint_descriptor_t *ed;
220 : usbd_status err;
221 : int status, i;
222 : usb_device_descriptor_t *dd;
223 0 : struct ucom_attach_args uca;
224 :
225 : /* Initialize endpoints. */
226 0 : uca.bulkin = uca.bulkout = -1;
227 0 : sc->sc_intr_number = -1;
228 0 : sc->sc_intr_pipe = NULL;
229 :
230 0 : dd = usbd_get_device_descriptor(sc->sc_udev);
231 : DPRINTF(("%s: uticom_attach: num of configurations %d\n",
232 : sc->sc_dev.dv_xname, dd->bNumConfigurations));
233 :
234 : /* The device without firmware has single configuration with single
235 : * bulk out interface. */
236 0 : if (dd->bNumConfigurations > 1)
237 : goto fwload_done;
238 :
239 : /* Loading firmware. */
240 : DPRINTF(("%s: uticom_attach: starting loading firmware\n",
241 : sc->sc_dev.dv_xname));
242 :
243 0 : err = usbd_set_config_index(sc->sc_udev, UTICOM_CONFIG_INDEX, 1);
244 0 : if (err) {
245 0 : printf("%s: failed to set configuration: %s\n",
246 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
247 0 : usbd_deactivate(sc->sc_udev);
248 0 : return;
249 : }
250 :
251 : /* Get the config descriptor. */
252 0 : cdesc = usbd_get_config_descriptor(sc->sc_udev);
253 :
254 0 : if (cdesc == NULL) {
255 0 : printf("%s: failed to get configuration descriptor\n",
256 0 : sc->sc_dev.dv_xname);
257 0 : usbd_deactivate(sc->sc_udev);
258 0 : return;
259 : }
260 :
261 0 : err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX,
262 0 : &sc->sc_iface);
263 0 : if (err) {
264 0 : printf("%s: failed to get interface: %s\n",
265 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
266 0 : usbd_deactivate(sc->sc_udev);
267 0 : return;
268 : }
269 :
270 : /* Find the bulk out interface used to upload firmware. */
271 0 : id = usbd_get_interface_descriptor(sc->sc_iface);
272 :
273 0 : for (i = 0; i < id->bNumEndpoints; i++) {
274 0 : ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
275 0 : if (ed == NULL) {
276 0 : printf("%s: no endpoint descriptor for %d\n",
277 0 : sc->sc_dev.dv_xname, i);
278 0 : usbd_deactivate(sc->sc_udev);
279 0 : return;
280 : }
281 :
282 0 : if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
283 0 : UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
284 0 : uca.bulkout = ed->bEndpointAddress;
285 : DPRINTF(("%s: uticom_attach: data bulk out num: %d\n",
286 : sc->sc_dev.dv_xname, ed->bEndpointAddress));
287 0 : }
288 :
289 0 : if (uca.bulkout == -1) {
290 0 : printf("%s: could not find data bulk out\n",
291 0 : sc->sc_dev.dv_xname);
292 0 : usbd_deactivate(sc->sc_udev);
293 0 : return;
294 : }
295 : }
296 :
297 0 : status = uticom_download_fw(sc, uca.bulkout, sc->sc_udev);
298 :
299 0 : if (status) {
300 0 : printf("%s: firmware download failed\n",
301 0 : sc->sc_dev.dv_xname);
302 0 : usbd_deactivate(sc->sc_udev);
303 0 : return;
304 : } else {
305 : DPRINTF(("%s: firmware download succeeded\n",
306 : sc->sc_dev.dv_xname));
307 : }
308 :
309 0 : status = usbd_reload_device_desc(sc->sc_udev);
310 0 : if (status) {
311 0 : printf("%s: error reloading device descriptor\n",
312 0 : sc->sc_dev.dv_xname);
313 0 : usbd_deactivate(sc->sc_udev);
314 0 : return;
315 : }
316 :
317 : fwload_done:
318 0 : dd = usbd_get_device_descriptor(sc->sc_udev);
319 : DPRINTF(("%s: uticom_attach: num of configurations %d\n",
320 : sc->sc_dev.dv_xname, dd->bNumConfigurations));
321 :
322 0 : err = usbd_set_config_index(sc->sc_udev, UTICOM_ACTIVE_INDEX, 1);
323 0 : if (err) {
324 0 : printf("%s: failed to set configuration: %s\n",
325 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
326 0 : usbd_deactivate(sc->sc_udev);
327 0 : return;
328 : }
329 :
330 : /* Get the config descriptor. */
331 0 : cdesc = usbd_get_config_descriptor(sc->sc_udev);
332 0 : if (cdesc == NULL) {
333 0 : printf("%s: failed to get configuration descriptor\n",
334 0 : sc->sc_dev.dv_xname);
335 0 : usbd_deactivate(sc->sc_udev);
336 0 : return;
337 : }
338 :
339 : /* Get the interface (XXX: multiport chips are not supported yet). */
340 0 : err = usbd_device2interface_handle(sc->sc_udev, UTICOM_IFACE_INDEX,
341 0 : &sc->sc_iface);
342 0 : if (err) {
343 0 : printf("%s: failed to get interface: %s\n",
344 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
345 0 : usbd_deactivate(sc->sc_udev);
346 0 : return;
347 : }
348 :
349 : /* Find the interrupt endpoints. */
350 0 : id = usbd_get_interface_descriptor(sc->sc_iface);
351 :
352 0 : for (i = 0; i < id->bNumEndpoints; i++) {
353 0 : ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
354 0 : if (ed == NULL) {
355 0 : printf("%s: no endpoint descriptor for %d\n",
356 0 : sc->sc_dev.dv_xname, i);
357 0 : usbd_deactivate(sc->sc_udev);
358 0 : return;
359 : }
360 :
361 0 : if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
362 0 : UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
363 0 : sc->sc_intr_number = ed->bEndpointAddress;
364 0 : sc->sc_isize = UGETW(ed->wMaxPacketSize);
365 :
366 0 : }
367 : }
368 :
369 0 : if (sc->sc_intr_number == -1) {
370 0 : printf("%s: could not find interrupt in\n",
371 0 : sc->sc_dev.dv_xname);
372 0 : usbd_deactivate(sc->sc_udev);
373 0 : return;
374 : }
375 :
376 : /* Keep interface for interrupt. */
377 0 : sc->sc_intr_iface = sc->sc_iface;
378 :
379 : /* Find the bulk{in,out} endpoints. */
380 0 : id = usbd_get_interface_descriptor(sc->sc_iface);
381 :
382 0 : for (i = 0; i < id->bNumEndpoints; i++) {
383 0 : ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
384 0 : if (ed == NULL) {
385 0 : printf("%s: no endpoint descriptor for %d\n",
386 0 : sc->sc_dev.dv_xname, i);
387 0 : usbd_deactivate(sc->sc_udev);
388 0 : return;
389 : }
390 :
391 0 : if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
392 0 : UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
393 0 : uca.bulkin = ed->bEndpointAddress;
394 0 : } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
395 0 : UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
396 0 : uca.bulkout = ed->bEndpointAddress;
397 0 : }
398 : }
399 :
400 0 : if (uca.bulkin == -1) {
401 0 : printf("%s: could not find data bulk in\n",
402 0 : sc->sc_dev.dv_xname);
403 0 : usbd_deactivate(sc->sc_udev);
404 0 : return;
405 : }
406 :
407 0 : if (uca.bulkout == -1) {
408 0 : printf("%s: could not find data bulk out\n",
409 0 : sc->sc_dev.dv_xname);
410 0 : usbd_deactivate(sc->sc_udev);
411 0 : return;
412 : }
413 :
414 0 : sc->sc_dtr = sc->sc_rts = -1;
415 :
416 0 : uca.portno = UCOM_UNK_PORTNO;
417 0 : uca.ibufsize = UTICOM_IBUFSZ;
418 0 : uca.obufsize = UTICOM_OBUFSZ;
419 0 : uca.ibufsizepad = UTICOM_IBUFSZ;
420 0 : uca.device = sc->sc_udev;
421 0 : uca.iface = sc->sc_iface;
422 0 : uca.opkthdrlen = 0;
423 0 : uca.methods = &uticom_methods;
424 0 : uca.arg = sc;
425 0 : uca.info = NULL;
426 :
427 0 : err = uticom_reset(sc);
428 0 : if (err) {
429 0 : printf("%s: reset failed: %s\n",
430 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
431 0 : usbd_deactivate(sc->sc_udev);
432 0 : return;
433 : }
434 :
435 : DPRINTF(("%s: uticom_attach: in = 0x%x, out = 0x%x, intr = 0x%x\n",
436 : sc->sc_dev.dv_xname, uca.bulkin,
437 : uca.bulkout, sc->sc_intr_number));
438 :
439 0 : sc->sc_subdev = config_found_sm((struct device *)sc, &uca, ucomprint, ucomsubmatch);
440 0 : }
441 :
442 : int
443 0 : uticom_detach(struct device *self, int flags)
444 : {
445 0 : struct uticom_softc *sc = (struct uticom_softc *)self;
446 :
447 : DPRINTF(("%s: uticom_detach: sc = %p\n",
448 : sc->sc_dev.dv_xname, sc));
449 :
450 0 : if (sc->sc_subdev != NULL) {
451 0 : config_detach(sc->sc_subdev, flags);
452 0 : sc->sc_subdev = NULL;
453 0 : }
454 :
455 0 : if (sc->sc_intr_pipe != NULL) {
456 0 : usbd_abort_pipe(sc->sc_intr_pipe);
457 0 : usbd_close_pipe(sc->sc_intr_pipe);
458 0 : free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize);
459 0 : sc->sc_intr_pipe = NULL;
460 0 : }
461 :
462 0 : return (0);
463 : }
464 :
465 : static usbd_status
466 0 : uticom_reset(struct uticom_softc *sc)
467 : {
468 0 : usb_device_request_t req;
469 : usbd_status err;
470 :
471 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
472 0 : req.bRequest = UTICOM_RQ_SON;
473 0 : USETW(req.wValue, 0);
474 0 : USETW(req.wIndex, 0);
475 0 : USETW(req.wLength, 0);
476 :
477 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
478 0 : if (err){
479 0 : printf("%s: uticom_reset: %s\n",
480 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
481 0 : return (EIO);
482 : }
483 :
484 : DPRINTF(("%s: uticom_reset: done\n", sc->sc_dev.dv_xname));
485 0 : return (0);
486 0 : }
487 :
488 : static void
489 0 : uticom_set(void *addr, int portno, int reg, int onoff)
490 : {
491 0 : struct uticom_softc *sc = addr;
492 :
493 0 : switch (reg) {
494 : case UCOM_SET_DTR:
495 0 : uticom_dtr(sc, onoff);
496 0 : break;
497 : case UCOM_SET_RTS:
498 0 : uticom_rts(sc, onoff);
499 0 : break;
500 : case UCOM_SET_BREAK:
501 0 : uticom_break(sc, onoff);
502 0 : break;
503 : default:
504 : break;
505 : }
506 0 : }
507 :
508 : static void
509 0 : uticom_dtr(struct uticom_softc *sc, int onoff)
510 : {
511 0 : usb_device_request_t req;
512 : usbd_status err;
513 :
514 : DPRINTF(("%s: uticom_dtr: onoff = %d\n", sc->sc_dev.dv_xname,
515 : onoff));
516 :
517 0 : if (sc->sc_dtr == onoff)
518 0 : return;
519 0 : sc->sc_dtr = onoff;
520 :
521 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
522 0 : req.bRequest = UTICOM_RQ_DTR;
523 0 : USETW(req.wValue, sc->sc_dtr ? UCDC_LINE_DTR : 0);
524 0 : USETW(req.wIndex, 0);
525 0 : USETW(req.wLength, 0);
526 :
527 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
528 0 : if (err)
529 0 : printf("%s: uticom_dtr: %s\n",
530 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
531 0 : }
532 :
533 : static void
534 0 : uticom_rts(struct uticom_softc *sc, int onoff)
535 : {
536 0 : usb_device_request_t req;
537 : usbd_status err;
538 :
539 : DPRINTF(("%s: uticom_rts: onoff = %d\n", sc->sc_dev.dv_xname,
540 : onoff));
541 :
542 0 : if (sc->sc_rts == onoff)
543 0 : return;
544 0 : sc->sc_rts = onoff;
545 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
546 0 : req.bRequest = UTICOM_RQ_RTS;
547 0 : USETW(req.wValue, sc->sc_rts ? UCDC_LINE_RTS : 0);
548 0 : USETW(req.wIndex, 0);
549 0 : USETW(req.wLength, 0);
550 :
551 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
552 0 : if (err)
553 0 : printf("%s: uticom_rts: %s\n",
554 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
555 0 : }
556 :
557 : static void
558 0 : uticom_break(struct uticom_softc *sc, int onoff)
559 : {
560 0 : usb_device_request_t req;
561 : usbd_status err;
562 :
563 : DPRINTF(("%s: uticom_break: onoff = %d\n", sc->sc_dev.dv_xname,
564 : onoff));
565 :
566 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
567 0 : req.bRequest = UTICOM_RQ_BREAK;
568 0 : USETW(req.wValue, onoff ? 1 : 0);
569 0 : USETW(req.wIndex, 0);
570 0 : USETW(req.wLength, 0);
571 :
572 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
573 0 : if (err)
574 0 : printf("%s: uticom_break: %s\n",
575 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
576 0 : }
577 :
578 : static usbd_status
579 0 : uticom_set_crtscts(struct uticom_softc *sc)
580 : {
581 0 : usb_device_request_t req;
582 : usbd_status err;
583 :
584 : DPRINTF(("%s: uticom_set_crtscts: on\n", sc->sc_dev.dv_xname));
585 :
586 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
587 0 : req.bRequest = UTICOM_RQ_CRTSCTS;
588 0 : USETW(req.wValue, 1);
589 0 : USETW(req.wIndex, 0);
590 0 : USETW(req.wLength, 0);
591 :
592 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
593 0 : if (err) {
594 0 : printf("%s: uticom_set_crtscts: %s\n",
595 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
596 0 : return (err);
597 : }
598 :
599 0 : return (USBD_NORMAL_COMPLETION);
600 0 : }
601 :
602 : static int
603 0 : uticom_param(void *vsc, int portno, struct termios *t)
604 : {
605 0 : struct uticom_softc *sc = (struct uticom_softc *)vsc;
606 0 : usb_device_request_t req;
607 : usbd_status err;
608 : uint8_t data;
609 :
610 : DPRINTF(("%s: uticom_param\n", sc->sc_dev.dv_xname));
611 :
612 0 : switch (t->c_ospeed) {
613 : case 1200:
614 : case 2400:
615 : case 4800:
616 : case 7200:
617 : case 9600:
618 : case 14400:
619 : case 19200:
620 : case 38400:
621 : case 57600:
622 : case 115200:
623 : case 230400:
624 : case 460800:
625 : case 921600:
626 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
627 0 : req.bRequest = UTICOM_RQ_BAUD;
628 0 : USETW(req.wValue, (UTICOM_BRATE_REF / t->c_ospeed));
629 0 : USETW(req.wIndex, 0);
630 0 : USETW(req.wLength, 0);
631 :
632 0 : err = usbd_do_request(sc->sc_udev, &req, 0);
633 0 : if (err) {
634 0 : printf("%s: uticom_param: %s\n",
635 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
636 0 : return (EIO);
637 : }
638 : break;
639 : default:
640 0 : printf("%s: uticom_param: unsupported baud rate %d\n",
641 0 : sc->sc_dev.dv_xname, t->c_ospeed);
642 0 : return (EINVAL);
643 : }
644 :
645 0 : switch (ISSET(t->c_cflag, CSIZE)) {
646 : case CS5:
647 : data = UTICOM_SET_DATA_BITS(5);
648 0 : break;
649 : case CS6:
650 : data = UTICOM_SET_DATA_BITS(6);
651 0 : break;
652 : case CS7:
653 : data = UTICOM_SET_DATA_BITS(7);
654 0 : break;
655 : case CS8:
656 : data = UTICOM_SET_DATA_BITS(8);
657 0 : break;
658 : default:
659 : return (EIO);
660 : }
661 :
662 0 : if (ISSET(t->c_cflag, CSTOPB))
663 0 : data |= UTICOM_STOP_BITS_2;
664 : else
665 : data |= UTICOM_STOP_BITS_1;
666 :
667 0 : if (ISSET(t->c_cflag, PARENB)) {
668 0 : if (ISSET(t->c_cflag, PARODD))
669 0 : data |= UTICOM_PARITY_ODD;
670 : else
671 0 : data |= UTICOM_PARITY_EVEN;
672 : } else
673 0 : data |= UTICOM_PARITY_NONE;
674 :
675 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
676 0 : req.bRequest = UTICOM_RQ_LCR;
677 0 : USETW(req.wIndex, 0);
678 0 : USETW(req.wLength, 0);
679 0 : USETW(req.wValue, data);
680 :
681 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
682 0 : if (err) {
683 0 : printf("%s: uticom_param: %s\n",
684 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
685 0 : return (err);
686 : }
687 :
688 0 : if (ISSET(t->c_cflag, CRTSCTS)) {
689 0 : err = uticom_set_crtscts(sc);
690 0 : if (err)
691 0 : return (EIO);
692 : }
693 :
694 0 : return (0);
695 0 : }
696 :
697 : static int
698 0 : uticom_open(void *addr, int portno)
699 : {
700 0 : struct uticom_softc *sc = addr;
701 : usbd_status err;
702 :
703 0 : if (usbd_is_dying(sc->sc_udev))
704 0 : return (ENXIO);
705 :
706 : DPRINTF(("%s: uticom_open\n", sc->sc_dev.dv_xname));
707 :
708 0 : sc->sc_status = 0; /* clear status bit */
709 :
710 0 : if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
711 0 : sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
712 0 : err = usbd_open_pipe_intr(sc->sc_intr_iface, sc->sc_intr_number,
713 : USBD_SHORT_XFER_OK, &sc->sc_intr_pipe, sc, sc->sc_intr_buf,
714 0 : sc->sc_isize, uticom_intr, UTICOM_INTR_INTERVAL);
715 0 : if (err) {
716 0 : printf("%s: cannot open interrupt pipe (addr %d)\n",
717 0 : sc->sc_dev.dv_xname, sc->sc_intr_number);
718 0 : return (EIO);
719 : }
720 : }
721 :
722 : DPRINTF(("%s: uticom_open: port opened\n", sc->sc_dev.dv_xname));
723 0 : return (0);
724 0 : }
725 :
726 : static void
727 0 : uticom_close(void *addr, int portno)
728 : {
729 0 : struct uticom_softc *sc = addr;
730 0 : usb_device_request_t req;
731 : usbd_status err;
732 :
733 0 : if (usbd_is_dying(sc->sc_udev))
734 0 : return;
735 :
736 0 : req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
737 0 : req.bRequest = UTICOM_RQ_SON;
738 0 : USETW(req.wValue, 0);
739 0 : USETW(req.wIndex, 0);
740 0 : USETW(req.wLength, 0);
741 :
742 : /* Try to reset UART part of chip. */
743 0 : err = usbd_do_request(sc->sc_udev, &req, NULL);
744 0 : if (err) {
745 0 : printf("%s: uticom_close: %s\n",
746 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
747 0 : return;
748 : }
749 :
750 : DPRINTF(("%s: uticom_close: close\n", sc->sc_dev.dv_xname));
751 :
752 0 : if (sc->sc_intr_pipe != NULL) {
753 0 : usbd_abort_pipe(sc->sc_intr_pipe);
754 0 : err = usbd_close_pipe(sc->sc_intr_pipe);
755 0 : if (err)
756 0 : printf("%s: close interrupt pipe failed: %s\n",
757 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
758 0 : free(sc->sc_intr_buf, M_USBDEV, sc->sc_isize);
759 0 : sc->sc_intr_pipe = NULL;
760 0 : }
761 0 : }
762 :
763 : static void
764 0 : uticom_intr(struct usbd_xfer *xfer, void *priv, usbd_status status)
765 : {
766 0 : struct uticom_softc *sc = priv;
767 0 : u_char *buf = sc->sc_intr_buf;
768 :
769 0 : if (usbd_is_dying(sc->sc_udev))
770 0 : return;
771 :
772 0 : if (status != USBD_NORMAL_COMPLETION) {
773 0 : if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) {
774 : DPRINTF(("%s: uticom_intr: int status: %s\n",
775 : sc->sc_dev.dv_xname, usbd_errstr(status)));
776 0 : return;
777 : }
778 :
779 : DPRINTF(("%s: uticom_intr: abnormal status: %s\n",
780 : sc->sc_dev.dv_xname, usbd_errstr(status)));
781 0 : usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
782 0 : return;
783 : }
784 :
785 0 : if (!xfer->actlen)
786 0 : return;
787 :
788 : DPRINTF(("%s: xfer_length = %d\n", sc->sc_dev.dv_xname,
789 : xfer->actlen));
790 :
791 0 : sc->sc_lsr = sc->sc_msr = 0;
792 :
793 0 : if (buf[0] == 0) {
794 : /* msr registers */
795 0 : if (buf[1] & UTICOM_MCR_CTS)
796 0 : sc->sc_msr |= UMSR_CTS;
797 0 : if (buf[1] & UTICOM_MCR_DSR)
798 0 : sc->sc_msr |= UMSR_DSR;
799 0 : if (buf[1] & UTICOM_MCR_CD)
800 0 : sc->sc_msr |= UMSR_DCD;
801 0 : if (buf[1] & UTICOM_MCR_RI)
802 0 : sc->sc_msr |= UMSR_RI;
803 : } else {
804 : /* lsr registers */
805 0 : if (buf[0] & UTICOM_LCR_OVR)
806 0 : sc->sc_lsr |= ULSR_OE;
807 0 : if (buf[0] & UTICOM_LCR_PTE)
808 0 : sc->sc_lsr |= ULSR_PE;
809 0 : if (buf[0] & UTICOM_LCR_FRE)
810 0 : sc->sc_lsr |= ULSR_FE;
811 0 : if (buf[0] & UTICOM_LCR_BRK)
812 0 : sc->sc_lsr |= ULSR_BI;
813 : }
814 :
815 : // if (uticomstickdsr)
816 : // sc->sc_msr |= UMSR_DSR;
817 :
818 0 : ucom_status_change((struct ucom_softc *)sc->sc_subdev);
819 0 : }
820 :
821 : static void
822 0 : uticom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
823 : {
824 : #if 0 /* TODO */
825 : struct uticom_softc *sc = addr;
826 :
827 : DPRINTF(("uticom_get_status:\n"));
828 :
829 : if (lsr != NULL)
830 : *lsr = sc->sc_lsr;
831 : if (msr != NULL)
832 : *msr = sc->sc_msr;
833 : #endif
834 0 : return;
835 : }
836 :
837 : static int
838 0 : uticom_download_fw(struct uticom_softc *sc, int pipeno,
839 : struct usbd_device *dev)
840 : {
841 0 : u_char *obuf, *firmware;
842 0 : size_t firmware_size;
843 : int buffer_size, pos;
844 : uint8_t cs = 0, *buffer;
845 : usbd_status err;
846 : struct uticom_fw_header *header;
847 : struct usbd_xfer *oxfer = 0;
848 : usbd_status error = 0;
849 0 : struct usbd_pipe *pipe;
850 :
851 0 : error = loadfirmware("tusb3410", &firmware, &firmware_size);
852 0 : if (error)
853 0 : return (error);
854 :
855 : buffer_size = UTICOM_FW_BUFSZ + sizeof(struct uticom_fw_header);
856 0 : buffer = malloc(buffer_size, M_USBDEV, M_WAITOK | M_CANFAIL);
857 :
858 0 : if (!buffer) {
859 0 : printf("%s: uticom_download_fw: out of memory\n",
860 0 : sc->sc_dev.dv_xname);
861 0 : free(firmware, M_DEVBUF, firmware_size);
862 0 : return ENOMEM;
863 : }
864 :
865 0 : memcpy(buffer, firmware, firmware_size);
866 0 : memset(buffer + firmware_size, 0xff, buffer_size - firmware_size);
867 :
868 0 : for (pos = sizeof(struct uticom_fw_header); pos < buffer_size; pos++)
869 0 : cs = (uint8_t)(cs + buffer[pos]);
870 :
871 0 : header = (struct uticom_fw_header*)buffer;
872 0 : header->length = (uint16_t)(buffer_size -
873 : sizeof(struct uticom_fw_header));
874 0 : header->checkSum = cs;
875 :
876 : DPRINTF(("%s: downloading firmware ...\n",
877 : sc->sc_dev.dv_xname));
878 :
879 0 : err = usbd_open_pipe(sc->sc_iface, pipeno, USBD_EXCLUSIVE_USE,
880 : &pipe);
881 0 : if (err) {
882 0 : printf("%s: open bulk out error (addr %d): %s\n",
883 0 : sc->sc_dev.dv_xname, pipeno, usbd_errstr(err));
884 : error = EIO;
885 0 : goto finish;
886 : }
887 :
888 0 : oxfer = usbd_alloc_xfer(dev);
889 0 : if (oxfer == NULL) {
890 : error = ENOMEM;
891 0 : goto finish;
892 : }
893 :
894 0 : obuf = usbd_alloc_buffer(oxfer, buffer_size);
895 0 : if (obuf == NULL) {
896 : error = ENOMEM;
897 0 : goto finish;
898 : }
899 :
900 0 : memcpy(obuf, buffer, buffer_size);
901 :
902 0 : usbd_setup_xfer(oxfer, pipe, (void *)sc, obuf, buffer_size,
903 : USBD_NO_COPY | USBD_SYNCHRONOUS, USBD_NO_TIMEOUT, 0);
904 0 : err = usbd_transfer(oxfer);
905 :
906 0 : if (err != USBD_NORMAL_COMPLETION)
907 0 : printf("%s: uticom_download_fw: error: %s\n",
908 0 : sc->sc_dev.dv_xname, usbd_errstr(err));
909 :
910 : finish:
911 0 : free(firmware, M_DEVBUF, firmware_size);
912 0 : usbd_free_buffer(oxfer);
913 0 : usbd_free_xfer(oxfer);
914 : oxfer = NULL;
915 0 : usbd_abort_pipe(pipe);
916 0 : usbd_close_pipe(pipe);
917 0 : free(buffer, M_USBDEV, buffer_size);
918 0 : return err;
919 0 : }
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