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