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, 0, "USB uvscom");
76 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN,
77 &uvscom_debug, 0, "Debug level");
78 #endif
79
80 #define UVSCOM_MODVER 1 /* module version */
81
82 #define UVSCOM_CONFIG_INDEX 0
83 #define UVSCOM_IFACE_INDEX 0
84
85 /* Request */
86 #define UVSCOM_SET_SPEED 0x10
87 #define UVSCOM_LINE_CTL 0x11
88 #define UVSCOM_SET_PARAM 0x12
89 #define UVSCOM_READ_STATUS 0xd0
90 #define UVSCOM_SHUTDOWN 0xe0
91
92 /* UVSCOM_SET_SPEED parameters */
93 #define UVSCOM_SPEED_150BPS 0x00
94 #define UVSCOM_SPEED_300BPS 0x01
95 #define UVSCOM_SPEED_600BPS 0x02
96 #define UVSCOM_SPEED_1200BPS 0x03
97 #define UVSCOM_SPEED_2400BPS 0x04
98 #define UVSCOM_SPEED_4800BPS 0x05
99 #define UVSCOM_SPEED_9600BPS 0x06
100 #define UVSCOM_SPEED_19200BPS 0x07
101 #define UVSCOM_SPEED_38400BPS 0x08
102 #define UVSCOM_SPEED_57600BPS 0x09
103 #define UVSCOM_SPEED_115200BPS 0x0a
104
105 /* UVSCOM_LINE_CTL parameters */
106 #define UVSCOM_BREAK 0x40
107 #define UVSCOM_RTS 0x02
108 #define UVSCOM_DTR 0x01
109 #define UVSCOM_LINE_INIT 0x08
110
111 /* UVSCOM_SET_PARAM parameters */
112 #define UVSCOM_DATA_MASK 0x03
113 #define UVSCOM_DATA_BIT_8 0x03
114 #define UVSCOM_DATA_BIT_7 0x02
115 #define UVSCOM_DATA_BIT_6 0x01
116 #define UVSCOM_DATA_BIT_5 0x00
117
118 #define UVSCOM_STOP_MASK 0x04
119 #define UVSCOM_STOP_BIT_2 0x04
120 #define UVSCOM_STOP_BIT_1 0x00
121
122 #define UVSCOM_PARITY_MASK 0x18
123 #define UVSCOM_PARITY_EVEN 0x18
124 #define UVSCOM_PARITY_ODD 0x08
125 #define UVSCOM_PARITY_NONE 0x00
126
127 /* Status bits */
128 #define UVSCOM_TXRDY 0x04
129 #define UVSCOM_RXRDY 0x01
130
131 #define UVSCOM_DCD 0x08
132 #define UVSCOM_NOCARD 0x04
133 #define UVSCOM_DSR 0x02
134 #define UVSCOM_CTS 0x01
135 #define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
136
137 #define UVSCOM_BULK_BUF_SIZE 1024 /* bytes */
138
139 enum {
140 UVSCOM_BULK_DT_WR,
141 UVSCOM_BULK_DT_RD,
142 UVSCOM_INTR_DT_RD,
143 UVSCOM_N_TRANSFER,
144 };
145
146 struct uvscom_softc {
147 struct ucom_super_softc sc_super_ucom;
148 struct ucom_softc sc_ucom;
149
150 struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER];
151 struct usb_device *sc_udev;
152 struct mtx sc_mtx;
153
154 uint16_t sc_line; /* line control register */
155
156 uint8_t sc_iface_no; /* interface number */
157 uint8_t sc_iface_index; /* interface index */
158 uint8_t sc_lsr; /* local status register */
159 uint8_t sc_msr; /* uvscom status register */
160 uint8_t sc_unit_status; /* unit status */
161 };
162
163 /* prototypes */
164
165 static device_probe_t uvscom_probe;
166 static device_attach_t uvscom_attach;
167 static device_detach_t uvscom_detach;
168 static void uvscom_free_softc(struct uvscom_softc *);
169
170 static usb_callback_t uvscom_write_callback;
171 static usb_callback_t uvscom_read_callback;
172 static usb_callback_t uvscom_intr_callback;
173
174 static void uvscom_free(struct ucom_softc *);
175 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
176 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
177 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
178 static int uvscom_pre_param(struct ucom_softc *, struct termios *);
179 static void uvscom_cfg_param(struct ucom_softc *, struct termios *);
180 static int uvscom_pre_open(struct ucom_softc *);
181 static void uvscom_cfg_open(struct ucom_softc *);
182 static void uvscom_cfg_close(struct ucom_softc *);
183 static void uvscom_start_read(struct ucom_softc *);
184 static void uvscom_stop_read(struct ucom_softc *);
185 static void uvscom_start_write(struct ucom_softc *);
186 static void uvscom_stop_write(struct ucom_softc *);
187 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
188 uint8_t *);
189 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
190 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
191 static void uvscom_poll(struct ucom_softc *ucom);
192
193 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
194
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
398 usbd_xfer_set_frame_len(xfer, 0, actlen);
399 usbd_transfer_submit(xfer);
400 }
401 return;
402
403 default: /* Error */
404 if (error != USB_ERR_CANCELLED) {
405 /* try to clear stall first */
406 usbd_xfer_set_stall(xfer);
407 goto tr_setup;
408 }
409 return;
410 }
411 }
412
413 static void
uvscom_read_callback(struct usb_xfer * xfer,usb_error_t error)414 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
415 {
416 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
417 struct usb_page_cache *pc;
418 int actlen;
419
420 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
421
422 switch (USB_GET_STATE(xfer)) {
423 case USB_ST_TRANSFERRED:
424 pc = usbd_xfer_get_frame(xfer, 0);
425 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
426
427 case USB_ST_SETUP:
428 tr_setup:
429 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
430 usbd_transfer_submit(xfer);
431 return;
432
433 default: /* Error */
434 if (error != USB_ERR_CANCELLED) {
435 /* try to clear stall first */
436 usbd_xfer_set_stall(xfer);
437 goto tr_setup;
438 }
439 return;
440 }
441 }
442
443 static void
uvscom_intr_callback(struct usb_xfer * xfer,usb_error_t error)444 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
445 {
446 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
447 struct usb_page_cache *pc;
448 uint8_t buf[2];
449 int actlen;
450
451 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
452
453 switch (USB_GET_STATE(xfer)) {
454 case USB_ST_TRANSFERRED:
455 if (actlen >= 2) {
456
457 pc = usbd_xfer_get_frame(xfer, 0);
458 usbd_copy_out(pc, 0, buf, sizeof(buf));
459
460 sc->sc_lsr = 0;
461 sc->sc_msr = 0;
462 sc->sc_unit_status = buf[1];
463
464 if (buf[0] & UVSCOM_TXRDY) {
465 sc->sc_lsr |= ULSR_TXRDY;
466 }
467 if (buf[0] & UVSCOM_RXRDY) {
468 sc->sc_lsr |= ULSR_RXRDY;
469 }
470 if (buf[1] & UVSCOM_CTS) {
471 sc->sc_msr |= SER_CTS;
472 }
473 if (buf[1] & UVSCOM_DSR) {
474 sc->sc_msr |= SER_DSR;
475 }
476 if (buf[1] & UVSCOM_DCD) {
477 sc->sc_msr |= SER_DCD;
478 }
479 /*
480 * the UCOM layer will ignore this call if the TTY
481 * device is closed!
482 */
483 ucom_status_change(&sc->sc_ucom);
484 }
485 case USB_ST_SETUP:
486 tr_setup:
487 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
488 usbd_transfer_submit(xfer);
489 return;
490
491 default: /* Error */
492 if (error != USB_ERR_CANCELLED) {
493 /* try to clear stall first */
494 usbd_xfer_set_stall(xfer);
495 goto tr_setup;
496 }
497 return;
498 }
499 }
500
501 static void
uvscom_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)502 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
503 {
504 struct uvscom_softc *sc = ucom->sc_parent;
505
506 DPRINTF("onoff = %d\n", onoff);
507
508 if (onoff)
509 sc->sc_line |= UVSCOM_DTR;
510 else
511 sc->sc_line &= ~UVSCOM_DTR;
512
513 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
514 }
515
516 static void
uvscom_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)517 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
518 {
519 struct uvscom_softc *sc = ucom->sc_parent;
520
521 DPRINTF("onoff = %d\n", onoff);
522
523 if (onoff)
524 sc->sc_line |= UVSCOM_RTS;
525 else
526 sc->sc_line &= ~UVSCOM_RTS;
527
528 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
529 }
530
531 static void
uvscom_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)532 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
533 {
534 struct uvscom_softc *sc = ucom->sc_parent;
535
536 DPRINTF("onoff = %d\n", onoff);
537
538 if (onoff)
539 sc->sc_line |= UVSCOM_BREAK;
540 else
541 sc->sc_line &= ~UVSCOM_BREAK;
542
543 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
544 }
545
546 static int
uvscom_pre_param(struct ucom_softc * ucom,struct termios * t)547 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
548 {
549 switch (t->c_ospeed) {
550 case B150:
551 case B300:
552 case B600:
553 case B1200:
554 case B2400:
555 case B4800:
556 case B9600:
557 case B19200:
558 case B38400:
559 case B57600:
560 case B115200:
561 default:
562 return (EINVAL);
563 }
564 return (0);
565 }
566
567 static void
uvscom_cfg_param(struct ucom_softc * ucom,struct termios * t)568 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
569 {
570 struct uvscom_softc *sc = ucom->sc_parent;
571 uint16_t value;
572
573 DPRINTF("\n");
574
575 switch (t->c_ospeed) {
576 case B150:
577 value = UVSCOM_SPEED_150BPS;
578 break;
579 case B300:
580 value = UVSCOM_SPEED_300BPS;
581 break;
582 case B600:
583 value = UVSCOM_SPEED_600BPS;
584 break;
585 case B1200:
586 value = UVSCOM_SPEED_1200BPS;
587 break;
588 case B2400:
589 value = UVSCOM_SPEED_2400BPS;
590 break;
591 case B4800:
592 value = UVSCOM_SPEED_4800BPS;
593 break;
594 case B9600:
595 value = UVSCOM_SPEED_9600BPS;
596 break;
597 case B19200:
598 value = UVSCOM_SPEED_19200BPS;
599 break;
600 case B38400:
601 value = UVSCOM_SPEED_38400BPS;
602 break;
603 case B57600:
604 value = UVSCOM_SPEED_57600BPS;
605 break;
606 case B115200:
607 value = UVSCOM_SPEED_115200BPS;
608 break;
609 default:
610 return;
611 }
612
613 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
614
615 value = 0;
616
617 if (t->c_cflag & CSTOPB) {
618 value |= UVSCOM_STOP_BIT_2;
619 }
620 if (t->c_cflag & PARENB) {
621 if (t->c_cflag & PARODD) {
622 value |= UVSCOM_PARITY_ODD;
623 } else {
624 value |= UVSCOM_PARITY_EVEN;
625 }
626 } else {
627 value |= UVSCOM_PARITY_NONE;
628 }
629
630 switch (t->c_cflag & CSIZE) {
631 case CS5:
632 value |= UVSCOM_DATA_BIT_5;
633 break;
634 case CS6:
635 value |= UVSCOM_DATA_BIT_6;
636 break;
637 case CS7:
638 value |= UVSCOM_DATA_BIT_7;
639 break;
640 default:
641 case CS8:
642 value |= UVSCOM_DATA_BIT_8;
643 break;
644 }
645
646 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
647 }
648
649 static int
uvscom_pre_open(struct ucom_softc * ucom)650 uvscom_pre_open(struct ucom_softc *ucom)
651 {
652 struct uvscom_softc *sc = ucom->sc_parent;
653
654 DPRINTF("sc = %p\n", sc);
655
656 /* check if PC card was inserted */
657
658 if (sc->sc_unit_status & UVSCOM_NOCARD) {
659 DPRINTF("no PC card!\n");
660 return (ENXIO);
661 }
662 return (0);
663 }
664
665 static void
uvscom_cfg_open(struct ucom_softc * ucom)666 uvscom_cfg_open(struct ucom_softc *ucom)
667 {
668 struct uvscom_softc *sc = ucom->sc_parent;
669
670 DPRINTF("sc = %p\n", sc);
671
672 uvscom_cfg_read_status(sc);
673 }
674
675 static void
uvscom_cfg_close(struct ucom_softc * ucom)676 uvscom_cfg_close(struct ucom_softc *ucom)
677 {
678 struct uvscom_softc *sc = ucom->sc_parent;
679
680 DPRINTF("sc=%p\n", sc);
681
682 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
683 }
684
685 static void
uvscom_start_read(struct ucom_softc * ucom)686 uvscom_start_read(struct ucom_softc *ucom)
687 {
688 struct uvscom_softc *sc = ucom->sc_parent;
689
690 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
691 }
692
693 static void
uvscom_stop_read(struct ucom_softc * ucom)694 uvscom_stop_read(struct ucom_softc *ucom)
695 {
696 struct uvscom_softc *sc = ucom->sc_parent;
697
698 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
699 }
700
701 static void
uvscom_start_write(struct ucom_softc * ucom)702 uvscom_start_write(struct ucom_softc *ucom)
703 {
704 struct uvscom_softc *sc = ucom->sc_parent;
705
706 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
707 }
708
709 static void
uvscom_stop_write(struct ucom_softc * ucom)710 uvscom_stop_write(struct ucom_softc *ucom)
711 {
712 struct uvscom_softc *sc = ucom->sc_parent;
713
714 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
715 }
716
717 static void
uvscom_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)718 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
719 {
720 struct uvscom_softc *sc = ucom->sc_parent;
721
722 *lsr = sc->sc_lsr;
723 *msr = sc->sc_msr;
724 }
725
726 static void
uvscom_cfg_write(struct uvscom_softc * sc,uint8_t index,uint16_t value)727 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
728 {
729 struct usb_device_request req;
730 usb_error_t err;
731
732 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
733 req.bRequest = index;
734 USETW(req.wValue, value);
735 USETW(req.wIndex, 0);
736 USETW(req.wLength, 0);
737
738 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
739 &req, NULL, 0, 1000);
740 if (err) {
741 DPRINTFN(0, "device request failed, err=%s "
742 "(ignored)\n", usbd_errstr(err));
743 }
744 }
745
746 static uint16_t
uvscom_cfg_read_status(struct uvscom_softc * sc)747 uvscom_cfg_read_status(struct uvscom_softc *sc)
748 {
749 struct usb_device_request req;
750 usb_error_t err;
751 uint8_t data[2];
752
753 req.bmRequestType = UT_READ_VENDOR_DEVICE;
754 req.bRequest = UVSCOM_READ_STATUS;
755 USETW(req.wValue, 0);
756 USETW(req.wIndex, 0);
757 USETW(req.wLength, 2);
758
759 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
760 &req, data, 0, 1000);
761 if (err) {
762 DPRINTFN(0, "device request failed, err=%s "
763 "(ignored)\n", usbd_errstr(err));
764 }
765 return (data[0] | (data[1] << 8));
766 }
767
768 static void
uvscom_poll(struct ucom_softc * ucom)769 uvscom_poll(struct ucom_softc *ucom)
770 {
771 struct uvscom_softc *sc = ucom->sc_parent;
772 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
773 }
774