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 * 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/linker_set.h>
49 #include <sys/module.h>
50 #include <sys/lock.h>
51 #include <sys/mutex.h>
52 #include <sys/condvar.h>
53 #include <sys/sysctl.h>
54 #include <sys/sx.h>
55 #include <sys/unistd.h>
56 #include <sys/callout.h>
57 #include <sys/malloc.h>
58 #include <sys/priv.h>
59
60 #include <dev/usb/usb.h>
61 #include <dev/usb/usbdi.h>
62 #include <dev/usb/usbdi_util.h>
63 #include "usbdevs.h"
64
65 #define USB_DEBUG_VAR uvscom_debug
66 #include <dev/usb/usb_debug.h>
67 #include <dev/usb/usb_process.h>
68
69 #include <dev/usb/serial/usb_serial.h>
70
71 #if USB_DEBUG
72 static int uvscom_debug = 0;
73
74 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
75 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW,
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
168 static usb_callback_t uvscom_write_callback;
169 static usb_callback_t uvscom_read_callback;
170 static usb_callback_t uvscom_intr_callback;
171
172 static void uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
173 static void uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
174 static void uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
175 static int uvscom_pre_param(struct ucom_softc *, struct termios *);
176 static void uvscom_cfg_param(struct ucom_softc *, struct termios *);
177 static int uvscom_pre_open(struct ucom_softc *);
178 static void uvscom_cfg_open(struct ucom_softc *);
179 static void uvscom_cfg_close(struct ucom_softc *);
180 static void uvscom_start_read(struct ucom_softc *);
181 static void uvscom_stop_read(struct ucom_softc *);
182 static void uvscom_start_write(struct ucom_softc *);
183 static void uvscom_stop_write(struct ucom_softc *);
184 static void uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
185 uint8_t *);
186 static void uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
187 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
188 static void uvscom_poll(struct ucom_softc *ucom);
189
190 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
191
192 [UVSCOM_BULK_DT_WR] = {
193 .type = UE_BULK,
194 .endpoint = UE_ADDR_ANY,
195 .direction = UE_DIR_OUT,
196 .bufsize = UVSCOM_BULK_BUF_SIZE,
197 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
198 .callback = &uvscom_write_callback,
199 },
200
201 [UVSCOM_BULK_DT_RD] = {
202 .type = UE_BULK,
203 .endpoint = UE_ADDR_ANY,
204 .direction = UE_DIR_IN,
205 .bufsize = UVSCOM_BULK_BUF_SIZE,
206 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
207 .callback = &uvscom_read_callback,
208 },
209
210 [UVSCOM_INTR_DT_RD] = {
211 .type = UE_INTERRUPT,
212 .endpoint = UE_ADDR_ANY,
213 .direction = UE_DIR_IN,
214 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
215 .bufsize = 0, /* use wMaxPacketSize */
216 .callback = &uvscom_intr_callback,
217 },
218 };
219
220 static const struct ucom_callback uvscom_callback = {
221 .ucom_cfg_get_status = &uvscom_cfg_get_status,
222 .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
223 .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
224 .ucom_cfg_set_break = &uvscom_cfg_set_break,
225 .ucom_cfg_param = &uvscom_cfg_param,
226 .ucom_cfg_open = &uvscom_cfg_open,
227 .ucom_cfg_close = &uvscom_cfg_close,
228 .ucom_pre_open = &uvscom_pre_open,
229 .ucom_pre_param = &uvscom_pre_param,
230 .ucom_start_read = &uvscom_start_read,
231 .ucom_stop_read = &uvscom_stop_read,
232 .ucom_start_write = &uvscom_start_write,
233 .ucom_stop_write = &uvscom_stop_write,
234 .ucom_poll = &uvscom_poll,
235 };
236
237 static const struct usb_device_id uvscom_devs[] = {
238 /* SUNTAC U-Cable type A4 */
239 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
240 /* SUNTAC U-Cable type D2 */
241 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
242 /* SUNTAC Ir-Trinity */
243 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
244 /* SUNTAC U-Cable type P1 */
245 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
246 /* SUNTAC Slipper U */
247 {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
248 };
249
250 static device_method_t uvscom_methods[] = {
251 DEVMETHOD(device_probe, uvscom_probe),
252 DEVMETHOD(device_attach, uvscom_attach),
253 DEVMETHOD(device_detach, uvscom_detach),
254 {0, 0}
255 };
256
257 static devclass_t uvscom_devclass;
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, uvscom_devclass, NULL, 0);
266 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
267 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
268 MODULE_VERSION(uvscom, UVSCOM_MODVER);
269
270 static int
271 uvscom_probe(device_t dev)
272 {
273 struct usb_attach_arg *uaa = device_get_ivars(dev);
274
275 if (uaa->usb_mode != USB_MODE_HOST) {
276 return (ENXIO);
277 }
278 if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
279 return (ENXIO);
280 }
281 if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
282 return (ENXIO);
283 }
284 return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
285 }
286
287 static int
288 uvscom_attach(device_t dev)
289 {
290 struct usb_attach_arg *uaa = device_get_ivars(dev);
291 struct uvscom_softc *sc = device_get_softc(dev);
292 int error;
293
294 device_set_usb_desc(dev);
295 mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
296
297 sc->sc_udev = uaa->device;
298
299 DPRINTF("sc=%p\n", sc);
300
301 sc->sc_iface_no = uaa->info.bIfaceNum;
302 sc->sc_iface_index = UVSCOM_IFACE_INDEX;
303
304 error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
305 sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
306
307 if (error) {
308 DPRINTF("could not allocate all USB transfers!\n");
309 goto detach;
310 }
311 sc->sc_line = UVSCOM_LINE_INIT;
312
313 /* clear stall at first run */
314 mtx_lock(&sc->sc_mtx);
315 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
316 usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
317 mtx_unlock(&sc->sc_mtx);
318
319 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
320 &uvscom_callback, &sc->sc_mtx);
321 if (error) {
322 goto detach;
323 }
324 /* start interrupt pipe */
325 mtx_lock(&sc->sc_mtx);
326 usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
327 mtx_unlock(&sc->sc_mtx);
328
329 return (0);
330
331 detach:
332 uvscom_detach(dev);
333 return (ENXIO);
334 }
335
336 static int
337 uvscom_detach(device_t dev)
338 {
339 struct uvscom_softc *sc = device_get_softc(dev);
340
341 DPRINTF("sc=%p\n", sc);
342
343 /* stop interrupt pipe */
344
345 if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
346 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
347
348 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1);
349 usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
350 mtx_destroy(&sc->sc_mtx);
351
352 return (0);
353 }
354
355 static void
356 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
357 {
358 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
359 struct usb_page_cache *pc;
360 uint32_t actlen;
361
362 switch (USB_GET_STATE(xfer)) {
363 case USB_ST_SETUP:
364 case USB_ST_TRANSFERRED:
365 tr_setup:
366 pc = usbd_xfer_get_frame(xfer, 0);
367 if (ucom_get_data(&sc->sc_ucom, pc, 0,
368 UVSCOM_BULK_BUF_SIZE, &actlen)) {
369
370 usbd_xfer_set_frame_len(xfer, 0, actlen);
371 usbd_transfer_submit(xfer);
372 }
373 return;
374
375 default: /* Error */
376 if (error != USB_ERR_CANCELLED) {
377 /* try to clear stall first */
378 usbd_xfer_set_stall(xfer);
379 goto tr_setup;
380 }
381 return;
382 }
383 }
384
385 static void
386 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
387 {
388 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
389 struct usb_page_cache *pc;
390 int actlen;
391
392 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
393
394 switch (USB_GET_STATE(xfer)) {
395 case USB_ST_TRANSFERRED:
396 pc = usbd_xfer_get_frame(xfer, 0);
397 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
398
399 case USB_ST_SETUP:
400 tr_setup:
401 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
402 usbd_transfer_submit(xfer);
403 return;
404
405 default: /* Error */
406 if (error != USB_ERR_CANCELLED) {
407 /* try to clear stall first */
408 usbd_xfer_set_stall(xfer);
409 goto tr_setup;
410 }
411 return;
412 }
413 }
414
415 static void
416 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
417 {
418 struct uvscom_softc *sc = usbd_xfer_softc(xfer);
419 struct usb_page_cache *pc;
420 uint8_t buf[2];
421 int actlen;
422
423 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
424
425 switch (USB_GET_STATE(xfer)) {
426 case USB_ST_TRANSFERRED:
427 if (actlen >= 2) {
428
429 pc = usbd_xfer_get_frame(xfer, 0);
430 usbd_copy_out(pc, 0, buf, sizeof(buf));
431
432 sc->sc_lsr = 0;
433 sc->sc_msr = 0;
434 sc->sc_unit_status = buf[1];
435
436 if (buf[0] & UVSCOM_TXRDY) {
437 sc->sc_lsr |= ULSR_TXRDY;
438 }
439 if (buf[0] & UVSCOM_RXRDY) {
440 sc->sc_lsr |= ULSR_RXRDY;
441 }
442 if (buf[1] & UVSCOM_CTS) {
443 sc->sc_msr |= SER_CTS;
444 }
445 if (buf[1] & UVSCOM_DSR) {
446 sc->sc_msr |= SER_DSR;
447 }
448 if (buf[1] & UVSCOM_DCD) {
449 sc->sc_msr |= SER_DCD;
450 }
451 /*
452 * the UCOM layer will ignore this call if the TTY
453 * device is closed!
454 */
455 ucom_status_change(&sc->sc_ucom);
456 }
457 case USB_ST_SETUP:
458 tr_setup:
459 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
460 usbd_transfer_submit(xfer);
461 return;
462
463 default: /* Error */
464 if (error != USB_ERR_CANCELLED) {
465 /* try to clear stall first */
466 usbd_xfer_set_stall(xfer);
467 goto tr_setup;
468 }
469 return;
470 }
471 }
472
473 static void
474 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
475 {
476 struct uvscom_softc *sc = ucom->sc_parent;
477
478 DPRINTF("onoff = %d\n", onoff);
479
480 if (onoff)
481 sc->sc_line |= UVSCOM_DTR;
482 else
483 sc->sc_line &= ~UVSCOM_DTR;
484
485 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
486 }
487
488 static void
489 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
490 {
491 struct uvscom_softc *sc = ucom->sc_parent;
492
493 DPRINTF("onoff = %d\n", onoff);
494
495 if (onoff)
496 sc->sc_line |= UVSCOM_RTS;
497 else
498 sc->sc_line &= ~UVSCOM_RTS;
499
500 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
501 }
502
503 static void
504 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
505 {
506 struct uvscom_softc *sc = ucom->sc_parent;
507
508 DPRINTF("onoff = %d\n", onoff);
509
510 if (onoff)
511 sc->sc_line |= UVSCOM_BREAK;
512 else
513 sc->sc_line &= ~UVSCOM_BREAK;
514
515 uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
516 }
517
518 static int
519 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
520 {
521 switch (t->c_ospeed) {
522 case B150:
523 case B300:
524 case B600:
525 case B1200:
526 case B2400:
527 case B4800:
528 case B9600:
529 case B19200:
530 case B38400:
531 case B57600:
532 case B115200:
533 default:
534 return (EINVAL);
535 }
536 return (0);
537 }
538
539 static void
540 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
541 {
542 struct uvscom_softc *sc = ucom->sc_parent;
543 uint16_t value;
544
545 DPRINTF("\n");
546
547 switch (t->c_ospeed) {
548 case B150:
549 value = UVSCOM_SPEED_150BPS;
550 break;
551 case B300:
552 value = UVSCOM_SPEED_300BPS;
553 break;
554 case B600:
555 value = UVSCOM_SPEED_600BPS;
556 break;
557 case B1200:
558 value = UVSCOM_SPEED_1200BPS;
559 break;
560 case B2400:
561 value = UVSCOM_SPEED_2400BPS;
562 break;
563 case B4800:
564 value = UVSCOM_SPEED_4800BPS;
565 break;
566 case B9600:
567 value = UVSCOM_SPEED_9600BPS;
568 break;
569 case B19200:
570 value = UVSCOM_SPEED_19200BPS;
571 break;
572 case B38400:
573 value = UVSCOM_SPEED_38400BPS;
574 break;
575 case B57600:
576 value = UVSCOM_SPEED_57600BPS;
577 break;
578 case B115200:
579 value = UVSCOM_SPEED_115200BPS;
580 break;
581 default:
582 return;
583 }
584
585 uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
586
587 value = 0;
588
589 if (t->c_cflag & CSTOPB) {
590 value |= UVSCOM_STOP_BIT_2;
591 }
592 if (t->c_cflag & PARENB) {
593 if (t->c_cflag & PARODD) {
594 value |= UVSCOM_PARITY_ODD;
595 } else {
596 value |= UVSCOM_PARITY_EVEN;
597 }
598 } else {
599 value |= UVSCOM_PARITY_NONE;
600 }
601
602 switch (t->c_cflag & CSIZE) {
603 case CS5:
604 value |= UVSCOM_DATA_BIT_5;
605 break;
606 case CS6:
607 value |= UVSCOM_DATA_BIT_6;
608 break;
609 case CS7:
610 value |= UVSCOM_DATA_BIT_7;
611 break;
612 default:
613 case CS8:
614 value |= UVSCOM_DATA_BIT_8;
615 break;
616 }
617
618 uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
619 }
620
621 static int
622 uvscom_pre_open(struct ucom_softc *ucom)
623 {
624 struct uvscom_softc *sc = ucom->sc_parent;
625
626 DPRINTF("sc = %p\n", sc);
627
628 /* check if PC card was inserted */
629
630 if (sc->sc_unit_status & UVSCOM_NOCARD) {
631 DPRINTF("no PC card!\n");
632 return (ENXIO);
633 }
634 return (0);
635 }
636
637 static void
638 uvscom_cfg_open(struct ucom_softc *ucom)
639 {
640 struct uvscom_softc *sc = ucom->sc_parent;
641
642 DPRINTF("sc = %p\n", sc);
643
644 uvscom_cfg_read_status(sc);
645 }
646
647 static void
648 uvscom_cfg_close(struct ucom_softc *ucom)
649 {
650 struct uvscom_softc *sc = ucom->sc_parent;
651
652 DPRINTF("sc=%p\n", sc);
653
654 uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
655 }
656
657 static void
658 uvscom_start_read(struct ucom_softc *ucom)
659 {
660 struct uvscom_softc *sc = ucom->sc_parent;
661
662 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
663 }
664
665 static void
666 uvscom_stop_read(struct ucom_softc *ucom)
667 {
668 struct uvscom_softc *sc = ucom->sc_parent;
669
670 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
671 }
672
673 static void
674 uvscom_start_write(struct ucom_softc *ucom)
675 {
676 struct uvscom_softc *sc = ucom->sc_parent;
677
678 usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
679 }
680
681 static void
682 uvscom_stop_write(struct ucom_softc *ucom)
683 {
684 struct uvscom_softc *sc = ucom->sc_parent;
685
686 usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
687 }
688
689 static void
690 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
691 {
692 struct uvscom_softc *sc = ucom->sc_parent;
693
694 *lsr = sc->sc_lsr;
695 *msr = sc->sc_msr;
696 }
697
698 static void
699 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
700 {
701 struct usb_device_request req;
702 usb_error_t err;
703
704 req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
705 req.bRequest = index;
706 USETW(req.wValue, value);
707 USETW(req.wIndex, 0);
708 USETW(req.wLength, 0);
709
710 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
711 &req, NULL, 0, 1000);
712 if (err) {
713 DPRINTFN(0, "device request failed, err=%s "
714 "(ignored)\n", usbd_errstr(err));
715 }
716 }
717
718 static uint16_t
719 uvscom_cfg_read_status(struct uvscom_softc *sc)
720 {
721 struct usb_device_request req;
722 usb_error_t err;
723 uint8_t data[2];
724
725 req.bmRequestType = UT_READ_VENDOR_DEVICE;
726 req.bRequest = UVSCOM_READ_STATUS;
727 USETW(req.wValue, 0);
728 USETW(req.wIndex, 0);
729 USETW(req.wLength, 2);
730
731 err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
732 &req, data, 0, 1000);
733 if (err) {
734 DPRINTFN(0, "device request failed, err=%s "
735 "(ignored)\n", usbd_errstr(err));
736 }
737 return (data[0] | (data[1] << 8));
738 }
739
740 static void
741 uvscom_poll(struct ucom_softc *ucom)
742 {
743 struct uvscom_softc *sc = ucom->sc_parent;
744 usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
745 }
Cache object: 13b91536938084d04830b7ec7283713d
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