1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */
2
3 #include <sys/cdefs.h>
4 __FBSDID("$FreeBSD$");
5
6 /*-
7 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
8 *
9 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <[email protected]>.
10 * All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 */
34
35 /*
36 * uvscom: SUNTAC Slipper U VS-10U driver.
37 * Slipper U is a PC Card to USB converter for data communication card
38 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
39 * P-in m@ater and various data communication card adapters.
40 */
41
42 #include <sys/stdint.h>
43 #include <sys/stddef.h>
44 #include <sys/param.h>
45 #include <sys/queue.h>
46 #include <sys/types.h>
47 #include <sys/systm.h>
48 #include <sys/kernel.h>
49 #include <sys/bus.h>
50 #include <sys/module.h>
51 #include <sys/lock.h>
52 #include <sys/mutex.h>
53 #include <sys/condvar.h>
54 #include <sys/sysctl.h>
55 #include <sys/sx.h>
56 #include <sys/unistd.h>
57 #include <sys/callout.h>
58 #include <sys/malloc.h>
59 #include <sys/priv.h>
60
61 #include <dev/usb/usb.h>
62 #include <dev/usb/usbdi.h>
63 #include <dev/usb/usbdi_util.h>
64 #include "usbdevs.h"
65
66 #define USB_DEBUG_VAR uvscom_debug
67 #include <dev/usb/usb_debug.h>
68 #include <dev/usb/usb_process.h>
69
70 #include <dev/usb/serial/usb_serial.h>
71
72 #ifdef USB_DEBUG
73 static int uvscom_debug = 0;
74
75 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
76 "USB uvscom");
77 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN,
78 &uvscom_debug, 0, "Debug level");
79 #endif
80
81 #define UVSCOM_MODVER 1 /* module version */
82
83 #define UVSCOM_CONFIG_INDEX 0
84 #define UVSCOM_IFACE_INDEX 0
85
86 /* Request */
87 #define UVSCOM_SET_SPEED 0x10
88 #define UVSCOM_LINE_CTL 0x11
89 #define UVSCOM_SET_PARAM 0x12
90 #define UVSCOM_READ_STATUS 0xd0
91 #define UVSCOM_SHUTDOWN 0xe0
92
93 /* UVSCOM_SET_SPEED parameters */
94 #define UVSCOM_SPEED_150BPS 0x00
95 #define UVSCOM_SPEED_300BPS 0x01
96 #define UVSCOM_SPEED_600BPS 0x02
97 #define UVSCOM_SPEED_1200BPS 0x03
98 #define UVSCOM_SPEED_2400BPS 0x04
99 #define UVSCOM_SPEED_4800BPS 0x05
100 #define UVSCOM_SPEED_9600BPS 0x06
101 #define UVSCOM_SPEED_19200BPS 0x07
102 #define UVSCOM_SPEED_38400BPS 0x08
103 #define UVSCOM_SPEED_57600BPS 0x09
104 #define UVSCOM_SPEED_115200BPS 0x0a
105
106 /* UVSCOM_LINE_CTL parameters */
107 #define UVSCOM_BREAK 0x40
108 #define UVSCOM_RTS 0x02
109 #define UVSCOM_DTR 0x01
110 #define UVSCOM_LINE_INIT 0x08
111
112 /* UVSCOM_SET_PARAM parameters */
113 #define UVSCOM_DATA_MASK 0x03
114 #define UVSCOM_DATA_BIT_8 0x03
115 #define UVSCOM_DATA_BIT_7 0x02
116 #define UVSCOM_DATA_BIT_6 0x01
117 #define UVSCOM_DATA_BIT_5 0x00
118
119 #define UVSCOM_STOP_MASK 0x04
120 #define UVSCOM_STOP_BIT_2 0x04
121 #define UVSCOM_STOP_BIT_1 0x00
122
123 #define UVSCOM_PARITY_MASK 0x18
124 #define UVSCOM_PARITY_EVEN 0x18
125 #define UVSCOM_PARITY_ODD 0x08
126 #define UVSCOM_PARITY_NONE 0x00
127
128 /* Status bits */
129 #define UVSCOM_TXRDY 0x04
130 #define UVSCOM_RXRDY 0x01
131
132 #define UVSCOM_DCD 0x08
133 #define UVSCOM_NOCARD 0x04
134 #define UVSCOM_DSR 0x02
135 #define UVSCOM_CTS 0x01
136 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
137
138 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */
139
140 enum {
141 UVSCOM_BULK_DT_WR,
142 UVSCOM_BULK_DT_RD,
143 UVSCOM_INTR_DT_RD,
144 UVSCOM_N_TRANSFER,
145 };
146
147 struct uvscom_softc {
148 struct ucom_super_softc sc_super_ucom;
149 struct ucom_softc sc_ucom;
150
151 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER];
152 struct usb_device *sc_udev;
153 struct mtx sc_mtx;
154
155 uint16_t sc_line; /* line control register */
156
157 uint8_t sc_iface_no; /* interface number */
158 uint8_t sc_iface_index; /* interface index */
159 uint8_t sc_lsr; /* local status register */
160 uint8_t sc_msr; /* uvscom status register */
161 uint8_t sc_unit_status; /* unit status */
162 };
163
164 /* prototypes */
165
166 static device_probe_t uvscom_probe;
167 static device_attach_t uvscom_attach;
168 static device_detach_t uvscom_detach;
169 static void uvscom_free_softc(struct uvscom_softc *);
170
171 static usb_callback_t uvscom_write_callback;
172 static usb_callback_t uvscom_read_callback;
173 static usb_callback_t uvscom_intr_callback;
174
175 static void uvscom_free(struct ucom_softc *);
176 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
177 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
178 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
179 static int uvscom_pre_param(struct ucom_softc *, struct termios *);
180 static void uvscom_cfg_param(struct ucom_softc *, struct termios *);
181 static int uvscom_pre_open(struct ucom_softc *);
182 static void uvscom_cfg_open(struct ucom_softc *);
183 static void uvscom_cfg_close(struct ucom_softc *);
184 static void uvscom_start_read(struct ucom_softc *);
185 static void uvscom_stop_read(struct ucom_softc *);
186 static void uvscom_start_write(struct ucom_softc *);
187 static void uvscom_stop_write(struct ucom_softc *);
188 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
189 uint8_t *);
190 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
191 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
192 static void uvscom_poll(struct ucom_softc *ucom);
193
194 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
195 [UVSCOM_BULK_DT_WR] = {
196 .type = UE_BULK,
197 .endpoint = UE_ADDR_ANY,
198 .direction = UE_DIR_OUT,
199 .bufsize = UVSCOM_BULK_BUF_SIZE,
200 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
201 .callback = &uvscom_write_callback,
202 },
203
204 [UVSCOM_BULK_DT_RD] = {
205 .type = UE_BULK,
206 .endpoint = UE_ADDR_ANY,
207 .direction = UE_DIR_IN,
208 .bufsize = UVSCOM_BULK_BUF_SIZE,
209 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
210 .callback = &uvscom_read_callback,
211 },
212
213 [UVSCOM_INTR_DT_RD] = {
214 .type = UE_INTERRUPT,
215 .endpoint = UE_ADDR_ANY,
216 .direction = UE_DIR_IN,
217 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
218 .bufsize = 0, /* use wMaxPacketSize */
219 .callback = &uvscom_intr_callback,
220 },
221 };
222
223 static const struct ucom_callback uvscom_callback = {
224 .ucom_cfg_get_status = &uvscom_cfg_get_status,
225 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
226 .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
227 .ucom_cfg_set_break = &uvscom_cfg_set_break,
228 .ucom_cfg_param = &uvscom_cfg_param,
229 .ucom_cfg_open = &uvscom_cfg_open,
230 .ucom_cfg_close = &uvscom_cfg_close,
231 .ucom_pre_open = &uvscom_pre_open,
232 .ucom_pre_param = &uvscom_pre_param,
233 .ucom_start_read = &uvscom_start_read,
234 .ucom_stop_read = &uvscom_stop_read,
235 .ucom_start_write = &uvscom_start_write,
236 .ucom_stop_write = &uvscom_stop_write,
237 .ucom_poll = &uvscom_poll,
238 .ucom_free = &uvscom_free,
239 };
240
241 static const STRUCT_USB_HOST_ID uvscom_devs[] = {
242 /* SUNTAC U-Cable type A4 */
243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
244 /* SUNTAC U-Cable type D2 */
245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
246 /* SUNTAC Ir-Trinity */
247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
248 /* SUNTAC U-Cable type P1 */
249 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
250 /* SUNTAC Slipper U */
251 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
252 };
253
254 static device_method_t uvscom_methods[] = {
255 DEVMETHOD(device_probe, uvscom_probe),
256 DEVMETHOD(device_attach, uvscom_attach),
257 DEVMETHOD(device_detach, uvscom_detach),
258 DEVMETHOD_END
259 };
260
261 static devclass_t uvscom_devclass;
262
263 static driver_t uvscom_driver = {
264 .name = "uvscom",
265 .methods = uvscom_methods,
266 .size = sizeof(struct uvscom_softc),
267 };
268
269 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0);
270 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
271 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
272 MODULE_VERSION(uvscom, UVSCOM_MODVER);
273 USB_PNP_HOST_INFO(uvscom_devs);
274
275 static int
uvscom_probe(device_t dev)276 uvscom_probe(device_t dev)
277 {
278 struct usb_attach_arg *uaa = device_get_ivars(dev);
279
280 if (uaa->usb_mode != USB_MODE_HOST) {
281 return (ENXIO);
282 }
283 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
284 return (ENXIO);
285 }
286 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
287 return (ENXIO);
288 }
289 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
290 }
291
292 static int
uvscom_attach(device_t dev)293 uvscom_attach(device_t dev)
294 {
295 struct usb_attach_arg *uaa = device_get_ivars(dev);
296 struct uvscom_softc *sc = device_get_softc(dev);
297 int error;
298
299 device_set_usb_desc(dev);
300 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
301 ucom_ref(&sc->sc_super_ucom);
302
303 sc->sc_udev = uaa->device;
304
305 DPRINTF("sc=%p\n", sc);
306
307 sc->sc_iface_no = uaa->info.bIfaceNum;
308 sc->sc_iface_index = UVSCOM_IFACE_INDEX;
309
310 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
311 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
312
313 if (error) {
314 DPRINTF("could not allocate all USB transfers!\n");
315 goto detach;
316 }
317 sc->sc_line = UVSCOM_LINE_INIT;
318
319 /* clear stall at first run */
320 mtx_lock(&sc->sc_mtx);
321 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
322 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
323 mtx_unlock(&sc->sc_mtx);
324
325 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
326 &uvscom_callback, &sc->sc_mtx);
327 if (error) {
328 goto detach;
329 }
330 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
331
332 /* start interrupt pipe */
333 mtx_lock(&sc->sc_mtx);
334 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
335 mtx_unlock(&sc->sc_mtx);
336
337 return (0);
338
339 detach:
340 uvscom_detach(dev);
341 return (ENXIO);
342 }
343
344 static int
uvscom_detach(device_t dev)345 uvscom_detach(device_t dev)
346 {
347 struct uvscom_softc *sc = device_get_softc(dev);
348
349 DPRINTF("sc=%p\n", sc);
350
351 /* stop interrupt pipe */
352
353 if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
354 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
355
356 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
357 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
358
359 device_claim_softc(dev);
360
361 uvscom_free_softc(sc);
362
363 return (0);
364 }
365
366 UCOM_UNLOAD_DRAIN(uvscom);
367
368 static void
uvscom_free_softc(struct uvscom_softc * sc)369 uvscom_free_softc(struct uvscom_softc *sc)
370 {
371 if (ucom_unref(&sc->sc_super_ucom)) {
372 mtx_destroy(&sc->sc_mtx);
373 device_free_softc(sc);
374 }
375 }
376
377 static void
uvscom_free(struct ucom_softc * ucom)378 uvscom_free(struct ucom_softc *ucom)
379 {
380 uvscom_free_softc(ucom->sc_parent);
381 }
382
383 static void
uvscom_write_callback(struct usb_xfer * xfer,usb_error_t error)384 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
385 {
386 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
387 struct usb_page_cache *pc;
388 uint32_t actlen;
389
390 switch (USB_GET_STATE(xfer)) {
391 case USB_ST_SETUP:
392 case USB_ST_TRANSFERRED:
393 tr_setup:
394 pc = usbd_xfer_get_frame(xfer, 0);
395 if (ucom_get_data(&sc->sc_ucom, pc, 0,
396 UVSCOM_BULK_BUF_SIZE, &actlen)) {
397 usbd_xfer_set_frame_len(xfer, 0, actlen);
398 usbd_transfer_submit(xfer);
399 }
400 return;
401
402 default: /* Error */
403 if (error != USB_ERR_CANCELLED) {
404 /* try to clear stall first */
405 usbd_xfer_set_stall(xfer);
406 goto tr_setup;
407 }
408 return;
409 }
410 }
411
412 static void
uvscom_read_callback(struct usb_xfer * xfer,usb_error_t error)413 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
414 {
415 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
416 struct usb_page_cache *pc;
417 int actlen;
418
419 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
420
421 switch (USB_GET_STATE(xfer)) {
422 case USB_ST_TRANSFERRED:
423 pc = usbd_xfer_get_frame(xfer, 0);
424 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
425
426 case USB_ST_SETUP:
427 tr_setup:
428 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
429 usbd_transfer_submit(xfer);
430 return;
431
432 default: /* Error */
433 if (error != USB_ERR_CANCELLED) {
434 /* try to clear stall first */
435 usbd_xfer_set_stall(xfer);
436 goto tr_setup;
437 }
438 return;
439 }
440 }
441
442 static void
uvscom_intr_callback(struct usb_xfer * xfer,usb_error_t error)443 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
444 {
445 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
446 struct usb_page_cache *pc;
447 uint8_t buf[2];
448 int actlen;
449
450 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
451
452 switch (USB_GET_STATE(xfer)) {
453 case USB_ST_TRANSFERRED:
454 if (actlen >= 2) {
455 pc = usbd_xfer_get_frame(xfer, 0);
456 usbd_copy_out(pc, 0, buf, sizeof(buf));
457
458 sc->sc_lsr = 0;
459 sc->sc_msr = 0;
460 sc->sc_unit_status = buf[1];
461
462 if (buf[0] & UVSCOM_TXRDY) {
463 sc->sc_lsr |= ULSR_TXRDY;
464 }
465 if (buf[0] & UVSCOM_RXRDY) {
466 sc->sc_lsr |= ULSR_RXRDY;
467 }
468 if (buf[1] & UVSCOM_CTS) {
469 sc->sc_msr |= SER_CTS;
470 }
471 if (buf[1] & UVSCOM_DSR) {
472 sc->sc_msr |= SER_DSR;
473 }
474 if (buf[1] & UVSCOM_DCD) {
475 sc->sc_msr |= SER_DCD;
476 }
477 /*
478 * the UCOM layer will ignore this call if the TTY
479 * device is closed!
480 */
481 ucom_status_change(&sc->sc_ucom);
482 }
483 case USB_ST_SETUP:
484 tr_setup:
485 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
486 usbd_transfer_submit(xfer);
487 return;
488
489 default: /* Error */
490 if (error != USB_ERR_CANCELLED) {
491 /* try to clear stall first */
492 usbd_xfer_set_stall(xfer);
493 goto tr_setup;
494 }
495 return;
496 }
497 }
498
499 static void
uvscom_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)500 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
501 {
502 struct uvscom_softc *sc = ucom->sc_parent;
503
504 DPRINTF("onoff = %d\n", onoff);
505
506 if (onoff)
507 sc->sc_line |= UVSCOM_DTR;
508 else
509 sc->sc_line &= ~UVSCOM_DTR;
510
511 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
512 }
513
514 static void
uvscom_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)515 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
516 {
517 struct uvscom_softc *sc = ucom->sc_parent;
518
519 DPRINTF("onoff = %d\n", onoff);
520
521 if (onoff)
522 sc->sc_line |= UVSCOM_RTS;
523 else
524 sc->sc_line &= ~UVSCOM_RTS;
525
526 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
527 }
528
529 static void
uvscom_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)530 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
531 {
532 struct uvscom_softc *sc = ucom->sc_parent;
533
534 DPRINTF("onoff = %d\n", onoff);
535
536 if (onoff)
537 sc->sc_line |= UVSCOM_BREAK;
538 else
539 sc->sc_line &= ~UVSCOM_BREAK;
540
541 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
542 }
543
544 static int
uvscom_pre_param(struct ucom_softc * ucom,struct termios * t)545 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
546 {
547 switch (t->c_ospeed) {
548 case B150:
549 case B300:
550 case B600:
551 case B1200:
552 case B2400:
553 case B4800:
554 case B9600:
555 case B19200:
556 case B38400:
557 case B57600:
558 case B115200:
559 default:
560 return (EINVAL);
561 }
562 return (0);
563 }
564
565 static void
uvscom_cfg_param(struct ucom_softc * ucom,struct termios * t)566 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
567 {
568 struct uvscom_softc *sc = ucom->sc_parent;
569 uint16_t value;
570
571 DPRINTF("\n");
572
573 switch (t->c_ospeed) {
574 case B150:
575 value = UVSCOM_SPEED_150BPS;
576 break;
577 case B300:
578 value = UVSCOM_SPEED_300BPS;
579 break;
580 case B600:
581 value = UVSCOM_SPEED_600BPS;
582 break;
583 case B1200:
584 value = UVSCOM_SPEED_1200BPS;
585 break;
586 case B2400:
587 value = UVSCOM_SPEED_2400BPS;
588 break;
589 case B4800:
590 value = UVSCOM_SPEED_4800BPS;
591 break;
592 case B9600:
593 value = UVSCOM_SPEED_9600BPS;
594 break;
595 case B19200:
596 value = UVSCOM_SPEED_19200BPS;
597 break;
598 case B38400:
599 value = UVSCOM_SPEED_38400BPS;
600 break;
601 case B57600:
602 value = UVSCOM_SPEED_57600BPS;
603 break;
604 case B115200:
605 value = UVSCOM_SPEED_115200BPS;
606 break;
607 default:
608 return;
609 }
610
611 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
612
613 value = 0;
614
615 if (t->c_cflag & CSTOPB) {
616 value |= UVSCOM_STOP_BIT_2;
617 }
618 if (t->c_cflag & PARENB) {
619 if (t->c_cflag & PARODD) {
620 value |= UVSCOM_PARITY_ODD;
621 } else {
622 value |= UVSCOM_PARITY_EVEN;
623 }
624 } else {
625 value |= UVSCOM_PARITY_NONE;
626 }
627
628 switch (t->c_cflag & CSIZE) {
629 case CS5:
630 value |= UVSCOM_DATA_BIT_5;
631 break;
632 case CS6:
633 value |= UVSCOM_DATA_BIT_6;
634 break;
635 case CS7:
636 value |= UVSCOM_DATA_BIT_7;
637 break;
638 default:
639 case CS8:
640 value |= UVSCOM_DATA_BIT_8;
641 break;
642 }
643
644 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
645 }
646
647 static int
uvscom_pre_open(struct ucom_softc * ucom)648 uvscom_pre_open(struct ucom_softc *ucom)
649 {
650 struct uvscom_softc *sc = ucom->sc_parent;
651
652 DPRINTF("sc = %p\n", sc);
653
654 /* check if PC card was inserted */
655
656 if (sc->sc_unit_status & UVSCOM_NOCARD) {
657 DPRINTF("no PC card!\n");
658 return (ENXIO);
659 }
660 return (0);
661 }
662
663 static void
uvscom_cfg_open(struct ucom_softc * ucom)664 uvscom_cfg_open(struct ucom_softc *ucom)
665 {
666 struct uvscom_softc *sc = ucom->sc_parent;
667
668 DPRINTF("sc = %p\n", sc);
669
670 uvscom_cfg_read_status(sc);
671 }
672
673 static void
uvscom_cfg_close(struct ucom_softc * ucom)674 uvscom_cfg_close(struct ucom_softc *ucom)
675 {
676 struct uvscom_softc *sc = ucom->sc_parent;
677
678 DPRINTF("sc=%p\n", sc);
679
680 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
681 }
682
683 static void
uvscom_start_read(struct ucom_softc * ucom)684 uvscom_start_read(struct ucom_softc *ucom)
685 {
686 struct uvscom_softc *sc = ucom->sc_parent;
687
688 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
689 }
690
691 static void
uvscom_stop_read(struct ucom_softc * ucom)692 uvscom_stop_read(struct ucom_softc *ucom)
693 {
694 struct uvscom_softc *sc = ucom->sc_parent;
695
696 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
697 }
698
699 static void
uvscom_start_write(struct ucom_softc * ucom)700 uvscom_start_write(struct ucom_softc *ucom)
701 {
702 struct uvscom_softc *sc = ucom->sc_parent;
703
704 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
705 }
706
707 static void
uvscom_stop_write(struct ucom_softc * ucom)708 uvscom_stop_write(struct ucom_softc *ucom)
709 {
710 struct uvscom_softc *sc = ucom->sc_parent;
711
712 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
713 }
714
715 static void
uvscom_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)716 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
717 {
718 struct uvscom_softc *sc = ucom->sc_parent;
719
720 *lsr = sc->sc_lsr;
721 *msr = sc->sc_msr;
722 }
723
724 static void
uvscom_cfg_write(struct uvscom_softc * sc,uint8_t index,uint16_t value)725 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
726 {
727 struct usb_device_request req;
728 usb_error_t err;
729
730 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
731 req.bRequest = index;
732 USETW(req.wValue, value);
733 USETW(req.wIndex, 0);
734 USETW(req.wLength, 0);
735
736 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
737 &req, NULL, 0, 1000);
738 if (err) {
739 DPRINTFN(0, "device request failed, err=%s "
740 "(ignored)\n", usbd_errstr(err));
741 }
742 }
743
744 static uint16_t
uvscom_cfg_read_status(struct uvscom_softc * sc)745 uvscom_cfg_read_status(struct uvscom_softc *sc)
746 {
747 struct usb_device_request req;
748 usb_error_t err;
749 uint8_t data[2];
750
751 req.bmRequestType = UT_READ_VENDOR_DEVICE;
752 req.bRequest = UVSCOM_READ_STATUS;
753 USETW(req.wValue, 0);
754 USETW(req.wIndex, 0);
755 USETW(req.wLength, 2);
756
757 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
758 &req, data, 0, 1000);
759 if (err) {
760 DPRINTFN(0, "device request failed, err=%s "
761 "(ignored)\n", usbd_errstr(err));
762 }
763 return (data[0] | (data[1] << 8));
764 }
765
766 static void
uvscom_poll(struct ucom_softc * ucom)767 uvscom_poll(struct ucom_softc *ucom)
768 {
769 struct uvscom_softc *sc = ucom->sc_parent;
770 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
771 }
772