1 /* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */
2
3 /*-
4 * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 */
29
30 /*
31 * uvscom: SUNTAC Slipper U VS-10U driver.
32 * Slipper U is a PC Card to USB converter for data communication card
33 * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
34 * P-in m@ater and various data communication card adapters.
35 */
36
37 #include <sys/stdint.h>
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/types.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/bus.h>
44 #include <sys/module.h>
45 #include <sys/lock.h>
46 #include <sys/condvar.h>
47 #include <sys/sysctl.h>
48 #include <sys/unistd.h>
49 #include <sys/callout.h>
50 #include <sys/malloc.h>
51 #include <sys/caps.h>
52 #include <sys/serial.h>
53
54 #include <bus/u4b/usb.h>
55 #include <bus/u4b/usbdi.h>
56 #include <bus/u4b/usbdi_util.h>
57 #include "usbdevs.h"
58
59 #define USB_DEBUG_VAR uvscom_debug
60 #include <bus/u4b/usb_debug.h>
61 #include <bus/u4b/usb_process.h>
62
63 #include <bus/u4b/serial/usb_serial.h>
64
65 #ifdef USB_DEBUG
66 static int uvscom_debug = 0;
67
68 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
69 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW,
70 &uvscom_debug, 0, "Debug level");
71 #endif
72
73 #define UVSCOM_MODVER 1 /* module version */
74
75 #define UVSCOM_CONFIG_INDEX 0
76 #define UVSCOM_IFACE_INDEX 0
77
78 /* Request */
79 #define UVSCOM_SET_SPEED 0x10
80 #define UVSCOM_LINE_CTL 0x11
81 #define UVSCOM_SET_PARAM 0x12
82 #define UVSCOM_READ_STATUS 0xd0
83 #define UVSCOM_SHUTDOWN 0xe0
84
85 /* UVSCOM_SET_SPEED parameters */
86 #define UVSCOM_SPEED_150BPS 0x00
87 #define UVSCOM_SPEED_300BPS 0x01
88 #define UVSCOM_SPEED_600BPS 0x02
89 #define UVSCOM_SPEED_1200BPS 0x03
90 #define UVSCOM_SPEED_2400BPS 0x04
91 #define UVSCOM_SPEED_4800BPS 0x05
92 #define UVSCOM_SPEED_9600BPS 0x06
93 #define UVSCOM_SPEED_19200BPS 0x07
94 #define UVSCOM_SPEED_38400BPS 0x08
95 #define UVSCOM_SPEED_57600BPS 0x09
96 #define UVSCOM_SPEED_115200BPS 0x0a
97
98 /* UVSCOM_LINE_CTL parameters */
99 #define UVSCOM_BREAK 0x40
100 #define UVSCOM_RTS 0x02
101 #define UVSCOM_DTR 0x01
102 #define UVSCOM_LINE_INIT 0x08
103
104 /* UVSCOM_SET_PARAM parameters */
105 #define UVSCOM_DATA_MASK 0x03
106 #define UVSCOM_DATA_BIT_8 0x03
107 #define UVSCOM_DATA_BIT_7 0x02
108 #define UVSCOM_DATA_BIT_6 0x01
109 #define UVSCOM_DATA_BIT_5 0x00
110
111 #define UVSCOM_STOP_MASK 0x04
112 #define UVSCOM_STOP_BIT_2 0x04
113 #define UVSCOM_STOP_BIT_1 0x00
114
115 #define UVSCOM_PARITY_MASK 0x18
116 #define UVSCOM_PARITY_EVEN 0x18
117 #define UVSCOM_PARITY_ODD 0x08
118 #define UVSCOM_PARITY_NONE 0x00
119
120 /* Status bits */
121 #define UVSCOM_TXRDY 0x04
122 #define UVSCOM_RXRDY 0x01
123
124 #define UVSCOM_DCD 0x08
125 #define UVSCOM_NOCARD 0x04
126 #define UVSCOM_DSR 0x02
127 #define UVSCOM_CTS 0x01
128 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
129
130 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */
131
132 enum {
133 UVSCOM_BULK_DT_WR,
134 UVSCOM_BULK_DT_RD,
135 UVSCOM_INTR_DT_RD,
136 UVSCOM_N_TRANSFER,
137 };
138
139 struct uvscom_softc {
140 struct ucom_super_softc sc_super_ucom;
141 struct ucom_softc sc_ucom;
142
143 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER];
144 struct usb_device *sc_udev;
145 struct lock sc_lock;
146
147 uint16_t sc_line; /* line control register */
148
149 uint8_t sc_iface_no; /* interface number */
150 uint8_t sc_iface_index; /* interface index */
151 uint8_t sc_lsr; /* local status register */
152 uint8_t sc_msr; /* uvscom status register */
153 uint8_t sc_unit_status; /* unit status */
154 };
155
156 /* prototypes */
157
158 static device_probe_t uvscom_probe;
159 static device_attach_t uvscom_attach;
160 static device_detach_t uvscom_detach;
161
162 static usb_callback_t uvscom_write_callback;
163 static usb_callback_t uvscom_read_callback;
164 static usb_callback_t uvscom_intr_callback;
165
166 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
167 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
168 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
169 static int uvscom_pre_param(struct ucom_softc *, struct termios *);
170 static void uvscom_cfg_param(struct ucom_softc *, struct termios *);
171 static int uvscom_pre_open(struct ucom_softc *);
172 static void uvscom_cfg_open(struct ucom_softc *);
173 static void uvscom_cfg_close(struct ucom_softc *);
174 static void uvscom_start_read(struct ucom_softc *);
175 static void uvscom_stop_read(struct ucom_softc *);
176 static void uvscom_start_write(struct ucom_softc *);
177 static void uvscom_stop_write(struct ucom_softc *);
178 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
179 uint8_t *);
180 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
181 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
182 static void uvscom_poll(struct ucom_softc *ucom);
183
184 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
185
186 [UVSCOM_BULK_DT_WR] = {
187 .type = UE_BULK,
188 .endpoint = UE_ADDR_ANY,
189 .direction = UE_DIR_OUT,
190 .bufsize = UVSCOM_BULK_BUF_SIZE,
191 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
192 .callback = &uvscom_write_callback,
193 },
194
195 [UVSCOM_BULK_DT_RD] = {
196 .type = UE_BULK,
197 .endpoint = UE_ADDR_ANY,
198 .direction = UE_DIR_IN,
199 .bufsize = UVSCOM_BULK_BUF_SIZE,
200 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
201 .callback = &uvscom_read_callback,
202 },
203
204 [UVSCOM_INTR_DT_RD] = {
205 .type = UE_INTERRUPT,
206 .endpoint = UE_ADDR_ANY,
207 .direction = UE_DIR_IN,
208 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
209 .bufsize = 0, /* use wMaxPacketSize */
210 .callback = &uvscom_intr_callback,
211 },
212 };
213
214 static const struct ucom_callback uvscom_callback = {
215 .ucom_cfg_get_status = &uvscom_cfg_get_status,
216 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
217 .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
218 .ucom_cfg_set_break = &uvscom_cfg_set_break,
219 .ucom_cfg_param = &uvscom_cfg_param,
220 .ucom_cfg_open = &uvscom_cfg_open,
221 .ucom_cfg_close = &uvscom_cfg_close,
222 .ucom_pre_open = &uvscom_pre_open,
223 .ucom_pre_param = &uvscom_pre_param,
224 .ucom_start_read = &uvscom_start_read,
225 .ucom_stop_read = &uvscom_stop_read,
226 .ucom_start_write = &uvscom_start_write,
227 .ucom_stop_write = &uvscom_stop_write,
228 .ucom_poll = &uvscom_poll,
229 };
230
231 static const STRUCT_USB_HOST_ID uvscom_devs[] = {
232 /* SUNTAC U-Cable type A4 */
233 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
234 /* SUNTAC U-Cable type D2 */
235 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
236 /* SUNTAC Ir-Trinity */
237 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
238 /* SUNTAC U-Cable type P1 */
239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
240 /* SUNTAC Slipper U */
241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
242 };
243
244 static device_method_t uvscom_methods[] = {
245 DEVMETHOD(device_probe, uvscom_probe),
246 DEVMETHOD(device_attach, uvscom_attach),
247 DEVMETHOD(device_detach, uvscom_detach),
248 DEVMETHOD_END
249 };
250
251 static devclass_t uvscom_devclass;
252
253 static driver_t uvscom_driver = {
254 .name = "uvscom",
255 .methods = uvscom_methods,
256 .size = sizeof(struct uvscom_softc),
257 };
258
259 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, NULL);
260 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
261 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
262 MODULE_VERSION(uvscom, UVSCOM_MODVER);
263
264 static int
uvscom_probe(device_t dev)265 uvscom_probe(device_t dev)
266 {
267 struct usb_attach_arg *uaa = device_get_ivars(dev);
268
269 if (uaa->usb_mode != USB_MODE_HOST) {
270 return (ENXIO);
271 }
272 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
273 return (ENXIO);
274 }
275 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
276 return (ENXIO);
277 }
278 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
279 }
280
281 static int
uvscom_attach(device_t dev)282 uvscom_attach(device_t dev)
283 {
284 struct usb_attach_arg *uaa = device_get_ivars(dev);
285 struct uvscom_softc *sc = device_get_softc(dev);
286 int error;
287
288 device_set_usb_desc(dev);
289 lockinit(&sc->sc_lock, "uvscom", 0, LK_CANRECURSE);
290
291 sc->sc_udev = uaa->device;
292
293 DPRINTF("sc=%p\n", sc);
294
295 sc->sc_iface_no = uaa->info.bIfaceNum;
296 sc->sc_iface_index = UVSCOM_IFACE_INDEX;
297
298 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
299 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_lock);
300
301 if (error) {
302 DPRINTF("could not allocate all USB transfers!\n");
303 goto detach;
304 }
305 sc->sc_line = UVSCOM_LINE_INIT;
306
307 /* clear stall at first run */
308 lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
309 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
310 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
311 lockmgr(&sc->sc_lock, LK_RELEASE);
312
313 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
314 &uvscom_callback, &sc->sc_lock);
315 if (error) {
316 goto detach;
317 }
318 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
319
320 /* start interrupt pipe */
321 lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
322 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
323 lockmgr(&sc->sc_lock, LK_RELEASE);
324
325 return (0);
326
327 detach:
328 uvscom_detach(dev);
329 return (ENXIO);
330 }
331
332 static int
uvscom_detach(device_t dev)333 uvscom_detach(device_t dev)
334 {
335 struct uvscom_softc *sc = device_get_softc(dev);
336
337 DPRINTF("sc=%p\n", sc);
338
339 /* stop interrupt pipe */
340
341 if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
342 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
343
344 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
345 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
346 lockuninit(&sc->sc_lock);
347
348 return (0);
349 }
350
351 static void
uvscom_write_callback(struct usb_xfer * xfer,usb_error_t error)352 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
353 {
354 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
355 struct usb_page_cache *pc;
356 uint32_t actlen;
357
358 switch (USB_GET_STATE(xfer)) {
359 case USB_ST_SETUP:
360 case USB_ST_TRANSFERRED:
361 tr_setup:
362 pc = usbd_xfer_get_frame(xfer, 0);
363 if (ucom_get_data(&sc->sc_ucom, pc, 0,
364 UVSCOM_BULK_BUF_SIZE, &actlen)) {
365
366 usbd_xfer_set_frame_len(xfer, 0, actlen);
367 usbd_transfer_submit(xfer);
368 }
369 return;
370
371 default: /* Error */
372 if (error != USB_ERR_CANCELLED) {
373 /* try to clear stall first */
374 usbd_xfer_set_stall(xfer);
375 goto tr_setup;
376 }
377 return;
378 }
379 }
380
381 static void
uvscom_read_callback(struct usb_xfer * xfer,usb_error_t error)382 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
383 {
384 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
385 struct usb_page_cache *pc;
386 int actlen;
387
388 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
389
390 switch (USB_GET_STATE(xfer)) {
391 case USB_ST_TRANSFERRED:
392 pc = usbd_xfer_get_frame(xfer, 0);
393 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
394
395 case USB_ST_SETUP:
396 tr_setup:
397 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
398 usbd_transfer_submit(xfer);
399 return;
400
401 default: /* Error */
402 if (error != USB_ERR_CANCELLED) {
403 /* try to clear stall first */
404 usbd_xfer_set_stall(xfer);
405 goto tr_setup;
406 }
407 return;
408 }
409 }
410
411 static void
uvscom_intr_callback(struct usb_xfer * xfer,usb_error_t error)412 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
413 {
414 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
415 struct usb_page_cache *pc;
416 uint8_t buf[2];
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 if (actlen >= 2) {
424
425 pc = usbd_xfer_get_frame(xfer, 0);
426 usbd_copy_out(pc, 0, buf, sizeof(buf));
427
428 sc->sc_lsr = 0;
429 sc->sc_msr = 0;
430 sc->sc_unit_status = buf[1];
431
432 if (buf[0] & UVSCOM_TXRDY) {
433 sc->sc_lsr |= ULSR_TXRDY;
434 }
435 if (buf[0] & UVSCOM_RXRDY) {
436 sc->sc_lsr |= ULSR_RXRDY;
437 }
438 if (buf[1] & UVSCOM_CTS) {
439 sc->sc_msr |= SER_CTS;
440 }
441 if (buf[1] & UVSCOM_DSR) {
442 sc->sc_msr |= SER_DSR;
443 }
444 if (buf[1] & UVSCOM_DCD) {
445 sc->sc_msr |= SER_DCD;
446 }
447 /*
448 * the UCOM layer will ignore this call if the TTY
449 * device is closed!
450 */
451 ucom_status_change(&sc->sc_ucom);
452 }
453 case USB_ST_SETUP:
454 tr_setup:
455 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
456 usbd_transfer_submit(xfer);
457 return;
458
459 default: /* Error */
460 if (error != USB_ERR_CANCELLED) {
461 /* try to clear stall first */
462 usbd_xfer_set_stall(xfer);
463 goto tr_setup;
464 }
465 return;
466 }
467 }
468
469 static void
uvscom_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)470 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
471 {
472 struct uvscom_softc *sc = ucom->sc_parent;
473
474 DPRINTF("onoff = %d\n", onoff);
475
476 if (onoff)
477 sc->sc_line |= UVSCOM_DTR;
478 else
479 sc->sc_line &= ~UVSCOM_DTR;
480
481 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
482 }
483
484 static void
uvscom_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)485 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
486 {
487 struct uvscom_softc *sc = ucom->sc_parent;
488
489 DPRINTF("onoff = %d\n", onoff);
490
491 if (onoff)
492 sc->sc_line |= UVSCOM_RTS;
493 else
494 sc->sc_line &= ~UVSCOM_RTS;
495
496 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
497 }
498
499 static void
uvscom_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)500 uvscom_cfg_set_break(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_BREAK;
508 else
509 sc->sc_line &= ~UVSCOM_BREAK;
510
511 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
512 }
513
514 static int
uvscom_pre_param(struct ucom_softc * ucom,struct termios * t)515 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
516 {
517 switch (t->c_ospeed) {
518 case B150:
519 case B300:
520 case B600:
521 case B1200:
522 case B2400:
523 case B4800:
524 case B9600:
525 case B19200:
526 case B38400:
527 case B57600:
528 case B115200:
529 default:
530 return (EINVAL);
531 }
532 return (0);
533 }
534
535 static void
uvscom_cfg_param(struct ucom_softc * ucom,struct termios * t)536 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
537 {
538 struct uvscom_softc *sc = ucom->sc_parent;
539 uint16_t value;
540
541 DPRINTF("\n");
542
543 switch (t->c_ospeed) {
544 case B150:
545 value = UVSCOM_SPEED_150BPS;
546 break;
547 case B300:
548 value = UVSCOM_SPEED_300BPS;
549 break;
550 case B600:
551 value = UVSCOM_SPEED_600BPS;
552 break;
553 case B1200:
554 value = UVSCOM_SPEED_1200BPS;
555 break;
556 case B2400:
557 value = UVSCOM_SPEED_2400BPS;
558 break;
559 case B4800:
560 value = UVSCOM_SPEED_4800BPS;
561 break;
562 case B9600:
563 value = UVSCOM_SPEED_9600BPS;
564 break;
565 case B19200:
566 value = UVSCOM_SPEED_19200BPS;
567 break;
568 case B38400:
569 value = UVSCOM_SPEED_38400BPS;
570 break;
571 case B57600:
572 value = UVSCOM_SPEED_57600BPS;
573 break;
574 case B115200:
575 value = UVSCOM_SPEED_115200BPS;
576 break;
577 default:
578 return;
579 }
580
581 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
582
583 value = 0;
584
585 if (t->c_cflag & CSTOPB) {
586 value |= UVSCOM_STOP_BIT_2;
587 }
588 if (t->c_cflag & PARENB) {
589 if (t->c_cflag & PARODD) {
590 value |= UVSCOM_PARITY_ODD;
591 } else {
592 value |= UVSCOM_PARITY_EVEN;
593 }
594 } else {
595 value |= UVSCOM_PARITY_NONE;
596 }
597
598 switch (t->c_cflag & CSIZE) {
599 case CS5:
600 value |= UVSCOM_DATA_BIT_5;
601 break;
602 case CS6:
603 value |= UVSCOM_DATA_BIT_6;
604 break;
605 case CS7:
606 value |= UVSCOM_DATA_BIT_7;
607 break;
608 default:
609 case CS8:
610 value |= UVSCOM_DATA_BIT_8;
611 break;
612 }
613
614 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
615 }
616
617 static int
uvscom_pre_open(struct ucom_softc * ucom)618 uvscom_pre_open(struct ucom_softc *ucom)
619 {
620 struct uvscom_softc *sc = ucom->sc_parent;
621
622 DPRINTF("sc = %p\n", sc);
623
624 /* check if PC card was inserted */
625
626 if (sc->sc_unit_status & UVSCOM_NOCARD) {
627 DPRINTF("no PC card!\n");
628 return (ENXIO);
629 }
630 return (0);
631 }
632
633 static void
uvscom_cfg_open(struct ucom_softc * ucom)634 uvscom_cfg_open(struct ucom_softc *ucom)
635 {
636 struct uvscom_softc *sc = ucom->sc_parent;
637
638 DPRINTF("sc = %p\n", sc);
639
640 uvscom_cfg_read_status(sc);
641 }
642
643 static void
uvscom_cfg_close(struct ucom_softc * ucom)644 uvscom_cfg_close(struct ucom_softc *ucom)
645 {
646 struct uvscom_softc *sc = ucom->sc_parent;
647
648 DPRINTF("sc=%p\n", sc);
649
650 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
651 }
652
653 static void
uvscom_start_read(struct ucom_softc * ucom)654 uvscom_start_read(struct ucom_softc *ucom)
655 {
656 struct uvscom_softc *sc = ucom->sc_parent;
657
658 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
659 }
660
661 static void
uvscom_stop_read(struct ucom_softc * ucom)662 uvscom_stop_read(struct ucom_softc *ucom)
663 {
664 struct uvscom_softc *sc = ucom->sc_parent;
665
666 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
667 }
668
669 static void
uvscom_start_write(struct ucom_softc * ucom)670 uvscom_start_write(struct ucom_softc *ucom)
671 {
672 struct uvscom_softc *sc = ucom->sc_parent;
673
674 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
675 }
676
677 static void
uvscom_stop_write(struct ucom_softc * ucom)678 uvscom_stop_write(struct ucom_softc *ucom)
679 {
680 struct uvscom_softc *sc = ucom->sc_parent;
681
682 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
683 }
684
685 static void
uvscom_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)686 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
687 {
688 struct uvscom_softc *sc = ucom->sc_parent;
689
690 *lsr = sc->sc_lsr;
691 *msr = sc->sc_msr;
692 }
693
694 static void
uvscom_cfg_write(struct uvscom_softc * sc,uint8_t index,uint16_t value)695 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
696 {
697 struct usb_device_request req;
698 usb_error_t err;
699
700 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
701 req.bRequest = index;
702 USETW(req.wValue, value);
703 USETW(req.wIndex, 0);
704 USETW(req.wLength, 0);
705
706 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
707 &req, NULL, 0, 1000);
708 if (err) {
709 DPRINTFN(0, "device request failed, err=%s "
710 "(ignored)\n", usbd_errstr(err));
711 }
712 }
713
714 static uint16_t
uvscom_cfg_read_status(struct uvscom_softc * sc)715 uvscom_cfg_read_status(struct uvscom_softc *sc)
716 {
717 struct usb_device_request req;
718 usb_error_t err;
719 uint8_t data[2];
720
721 req.bmRequestType = UT_READ_VENDOR_DEVICE;
722 req.bRequest = UVSCOM_READ_STATUS;
723 USETW(req.wValue, 0);
724 USETW(req.wIndex, 0);
725 USETW(req.wLength, 2);
726
727 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
728 &req, data, 0, 1000);
729 if (err) {
730 DPRINTFN(0, "device request failed, err=%s "
731 "(ignored)\n", usbd_errstr(err));
732 }
733 return (data[0] | (data[1] << 8));
734 }
735
736 static void
uvscom_poll(struct ucom_softc * ucom)737 uvscom_poll(struct ucom_softc *ucom)
738 {
739 struct uvscom_softc *sc = ucom->sc_parent;
740 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
741 }
742