1 /* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
2
3 #define UFOMA_HANDSFREE
4 /*-
5 * Copyright (c) 2005, Takanori Watanabe
6 * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>.
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 */
30
31 /*-
32 * Copyright (c) 1998 The NetBSD Foundation, Inc.
33 * All rights reserved.
34 *
35 * This code is derived from software contributed to The NetBSD Foundation
36 * by Lennart Augustsson (lennart@augustsson.net) at
37 * Carlstedt Research & Technology.
38 *
39 * Redistribution and use in source and binary forms, with or without
40 * modification, are permitted provided that the following conditions
41 * are met:
42 * 1. Redistributions of source code must retain the above copyright
43 * notice, this list of conditions and the following disclaimer.
44 * 2. Redistributions in binary form must reproduce the above copyright
45 * notice, this list of conditions and the following disclaimer in the
46 * documentation and/or other materials provided with the distribution.
47 *
48 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
49 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
50 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
51 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
52 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
53 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
54 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
55 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
56 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
57 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
58 * POSSIBILITY OF SUCH DAMAGE.
59 */
60
61 /*
62 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
63 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
64 */
65
66 /*
67 * TODO:
68 * - Implement a Call Device for modems without multiplexed commands.
69 */
70
71 /*
72 * NOTE: all function names beginning like "ufoma_cfg_" can only
73 * be called from within the config thread function !
74 */
75
76 #include <sys/stdint.h>
77 #include <sys/param.h>
78 #include <sys/queue.h>
79 #include <sys/types.h>
80 #include <sys/systm.h>
81 #include <sys/kernel.h>
82 #include <sys/bus.h>
83 #include <sys/module.h>
84 #include <sys/lock.h>
85 #include <sys/condvar.h>
86 #include <sys/sysctl.h>
87 #include <sys/unistd.h>
88 #include <sys/callout.h>
89 #include <sys/malloc.h>
90 #include <sys/caps.h>
91 #include <sys/sbuf.h>
92 #include <sys/serial.h>
93
94 #include <bus/u4b/usb.h>
95 #include <bus/u4b/usbdi.h>
96 #include <bus/u4b/usbdi_util.h>
97 #include <bus/u4b/usb_cdc.h>
98 #include "usbdevs.h"
99
100 #define USB_DEBUG_VAR usb_debug
101 #include <bus/u4b/usb_debug.h>
102 #include <bus/u4b/usb_process.h>
103
104 #include <bus/u4b/serial/usb_serial.h>
105
106 typedef struct ufoma_mobile_acm_descriptor {
107 uint8_t bFunctionLength;
108 uint8_t bDescriptorType;
109 uint8_t bDescriptorSubtype;
110 uint8_t bType;
111 uint8_t bMode[1];
112 } __packed usb_mcpc_acm_descriptor;
113
114 #define UISUBCLASS_MCPC 0x88
115
116 #define UDESC_VS_INTERFACE 0x44
117 #define UDESCSUB_MCPC_ACM 0x11
118
119 #define UMCPC_ACM_TYPE_AB1 0x1
120 #define UMCPC_ACM_TYPE_AB2 0x2
121 #define UMCPC_ACM_TYPE_AB5 0x5
122 #define UMCPC_ACM_TYPE_AB6 0x6
123
124 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
125 #define UMCPC_ACM_MODE_MODEM 0x1
126 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
127 #define UMCPC_ACM_MODE_OBEX 0x60
128 #define UMCPC_ACM_MODE_VENDOR1 0xc0
129 #define UMCPC_ACM_MODE_VENDOR2 0xfe
130 #define UMCPC_ACM_MODE_UNLINKED 0xff
131
132 #define UMCPC_CM_MOBILE_ACM 0x0
133
134 #define UMCPC_ACTIVATE_MODE 0x60
135 #define UMCPC_GET_MODETABLE 0x61
136 #define UMCPC_SET_LINK 0x62
137 #define UMCPC_CLEAR_LINK 0x63
138
139 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
140
141 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */
142 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */
143
144 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */
145
146 enum {
147 UFOMA_CTRL_ENDPT_INTR,
148 UFOMA_CTRL_ENDPT_READ,
149 UFOMA_CTRL_ENDPT_WRITE,
150 UFOMA_CTRL_ENDPT_MAX,
151 };
152
153 enum {
154 UFOMA_BULK_ENDPT_WRITE,
155 UFOMA_BULK_ENDPT_READ,
156 UFOMA_BULK_ENDPT_MAX,
157 };
158
159 struct ufoma_softc {
160 struct ucom_super_softc sc_super_ucom;
161 struct ucom_softc sc_ucom;
162 struct cv sc_cv;
163 struct lock sc_lock;
164
165 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
166 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
167 uint8_t *sc_modetable;
168 device_t sc_dev;
169 struct usb_device *sc_udev;
170
171 uint32_t sc_unit;
172
173 uint16_t sc_line;
174
175 uint8_t sc_num_msg;
176 uint8_t sc_nobulk;
177 uint8_t sc_ctrl_iface_no;
178 uint8_t sc_ctrl_iface_index;
179 uint8_t sc_data_iface_no;
180 uint8_t sc_data_iface_index;
181 uint8_t sc_cm_cap;
182 uint8_t sc_acm_cap;
183 uint8_t sc_lsr;
184 uint8_t sc_msr;
185 uint8_t sc_modetoactivate;
186 uint8_t sc_currentmode;
187 uint8_t sc_name[16];
188 };
189
190 /* prototypes */
191
192 static device_probe_t ufoma_probe;
193 static device_attach_t ufoma_attach;
194 static device_detach_t ufoma_detach;
195
196 static usb_callback_t ufoma_ctrl_read_callback;
197 static usb_callback_t ufoma_ctrl_write_callback;
198 static usb_callback_t ufoma_intr_callback;
199 static usb_callback_t ufoma_bulk_write_callback;
200 static usb_callback_t ufoma_bulk_read_callback;
201
202 static void *ufoma_get_intconf(struct usb_config_descriptor *,
203 struct usb_interface_descriptor *, uint8_t, uint8_t);
204 static void ufoma_cfg_link_state(struct ufoma_softc *);
205 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
206 static void ufoma_cfg_open(struct ucom_softc *);
207 static void ufoma_cfg_close(struct ucom_softc *);
208 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
209 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
210 uint8_t *);
211 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
212 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
213 static int ufoma_pre_param(struct ucom_softc *, struct termios *);
214 static void ufoma_cfg_param(struct ucom_softc *, struct termios *);
215 static int ufoma_modem_setup(device_t, struct ufoma_softc *,
216 struct usb_attach_arg *);
217 static void ufoma_start_read(struct ucom_softc *);
218 static void ufoma_stop_read(struct ucom_softc *);
219 static void ufoma_start_write(struct ucom_softc *);
220 static void ufoma_stop_write(struct ucom_softc *);
221 static void ufoma_poll(struct ucom_softc *ucom);
222
223 /*sysctl stuff*/
224 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
225 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
226 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
227
228 static const struct usb_config
229 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
230
231 [UFOMA_CTRL_ENDPT_INTR] = {
232 .type = UE_INTERRUPT,
233 .endpoint = UE_ADDR_ANY,
234 .direction = UE_DIR_IN,
235 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
236 .bufsize = sizeof(struct usb_cdc_notification),
237 .callback = &ufoma_intr_callback,
238 },
239
240 [UFOMA_CTRL_ENDPT_READ] = {
241 .type = UE_CONTROL,
242 .endpoint = 0x00, /* Control pipe */
243 .direction = UE_DIR_ANY,
244 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
245 .flags = {.short_xfer_ok = 1,},
246 .callback = &ufoma_ctrl_read_callback,
247 .timeout = 1000, /* 1 second */
248 },
249
250 [UFOMA_CTRL_ENDPT_WRITE] = {
251 .type = UE_CONTROL,
252 .endpoint = 0x00, /* Control pipe */
253 .direction = UE_DIR_ANY,
254 .bufsize = (sizeof(struct usb_device_request) + 1),
255 .callback = &ufoma_ctrl_write_callback,
256 .timeout = 1000, /* 1 second */
257 },
258 };
259
260 static const struct usb_config
261 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
262
263 [UFOMA_BULK_ENDPT_WRITE] = {
264 .type = UE_BULK,
265 .endpoint = UE_ADDR_ANY,
266 .direction = UE_DIR_OUT,
267 .bufsize = UFOMA_BULK_BUF_SIZE,
268 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
269 .callback = &ufoma_bulk_write_callback,
270 },
271
272 [UFOMA_BULK_ENDPT_READ] = {
273 .type = UE_BULK,
274 .endpoint = UE_ADDR_ANY,
275 .direction = UE_DIR_IN,
276 .bufsize = UFOMA_BULK_BUF_SIZE,
277 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
278 .callback = &ufoma_bulk_read_callback,
279 },
280 };
281
282 static const struct ucom_callback ufoma_callback = {
283 .ucom_cfg_get_status = &ufoma_cfg_get_status,
284 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
285 .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
286 .ucom_cfg_set_break = &ufoma_cfg_set_break,
287 .ucom_cfg_param = &ufoma_cfg_param,
288 .ucom_cfg_open = &ufoma_cfg_open,
289 .ucom_cfg_close = &ufoma_cfg_close,
290 .ucom_pre_param = &ufoma_pre_param,
291 .ucom_start_read = &ufoma_start_read,
292 .ucom_stop_read = &ufoma_stop_read,
293 .ucom_start_write = &ufoma_start_write,
294 .ucom_stop_write = &ufoma_stop_write,
295 .ucom_poll = &ufoma_poll,
296 };
297
298 static device_method_t ufoma_methods[] = {
299 /* Device methods */
300 DEVMETHOD(device_probe, ufoma_probe),
301 DEVMETHOD(device_attach, ufoma_attach),
302 DEVMETHOD(device_detach, ufoma_detach),
303 DEVMETHOD_END
304 };
305
306 static devclass_t ufoma_devclass;
307
308 static driver_t ufoma_driver = {
309 .name = "ufoma",
310 .methods = ufoma_methods,
311 .size = sizeof(struct ufoma_softc),
312 };
313
314 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
315 {USB_IFACE_CLASS(UICLASS_CDC),
316 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
317 };
318
319 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, NULL);
320 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
321 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
322 MODULE_VERSION(ufoma, 1);
323
324 static int
ufoma_probe(device_t dev)325 ufoma_probe(device_t dev)
326 {
327 struct usb_attach_arg *uaa = device_get_ivars(dev);
328 struct usb_interface_descriptor *id;
329 struct usb_config_descriptor *cd;
330 usb_mcpc_acm_descriptor *mad;
331 int error;
332
333 if (uaa->usb_mode != USB_MODE_HOST)
334 return (ENXIO);
335
336 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
337 if (error)
338 return (error);
339
340 id = usbd_get_interface_descriptor(uaa->iface);
341 cd = usbd_get_config_descriptor(uaa->device);
342
343 if (id == NULL || cd == NULL)
344 return (ENXIO);
345
346 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
347 if (mad == NULL)
348 return (ENXIO);
349
350 #ifndef UFOMA_HANDSFREE
351 if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
352 (mad->bType == UMCPC_ACM_TYPE_AB6))
353 return (ENXIO);
354 #endif
355 return (BUS_PROBE_GENERIC);
356 }
357
358 static int
ufoma_attach(device_t dev)359 ufoma_attach(device_t dev)
360 {
361 struct usb_attach_arg *uaa = device_get_ivars(dev);
362 struct ufoma_softc *sc = device_get_softc(dev);
363 struct usb_config_descriptor *cd;
364 struct usb_interface_descriptor *id;
365 struct sysctl_ctx_list *sctx;
366 struct sysctl_oid *soid;
367
368 usb_mcpc_acm_descriptor *mad;
369 uint8_t elements;
370 int32_t error;
371
372 sc->sc_udev = uaa->device;
373 sc->sc_dev = dev;
374 sc->sc_unit = device_get_unit(dev);
375
376 lockinit(&sc->sc_lock, "ufoma", 0, LK_CANRECURSE);
377 cv_init(&sc->sc_cv, "CWAIT");
378
379 device_set_usb_desc(dev);
380
381 ksnprintf(sc->sc_name, sizeof(sc->sc_name),
382 "%s", device_get_nameunit(dev));
383
384 DPRINTF("\n");
385
386 /* setup control transfers */
387
388 cd = usbd_get_config_descriptor(uaa->device);
389 id = usbd_get_interface_descriptor(uaa->iface);
390 sc->sc_ctrl_iface_no = id->bInterfaceNumber;
391 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex;
392
393 error = usbd_transfer_setup(uaa->device,
394 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer,
395 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_lock);
396
397 if (error) {
398 device_printf(dev, "allocating control USB "
399 "transfers failed\n");
400 goto detach;
401 }
402 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
403 if (mad == NULL) {
404 goto detach;
405 }
406 if (mad->bFunctionLength < sizeof(*mad)) {
407 device_printf(dev, "invalid MAD descriptor\n");
408 goto detach;
409 }
410 if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
411 (mad->bType == UMCPC_ACM_TYPE_AB6)) {
412 sc->sc_nobulk = 1;
413 } else {
414 sc->sc_nobulk = 0;
415 if (ufoma_modem_setup(dev, sc, uaa)) {
416 goto detach;
417 }
418 }
419
420 elements = (mad->bFunctionLength - sizeof(*mad) + 1);
421
422 /* initialize mode variables */
423
424 sc->sc_modetable = kmalloc(elements + 1, M_USBDEV, M_WAITOK);
425
426 if (sc->sc_modetable == NULL) {
427 goto detach;
428 }
429 sc->sc_modetable[0] = (elements + 1);
430 memcpy(&sc->sc_modetable[1], mad->bMode, elements);
431
432 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
433 sc->sc_modetoactivate = mad->bMode[0];
434
435 /* clear stall at first run, if any */
436 lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
437 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
438 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
439 lockmgr(&sc->sc_lock, LK_RELEASE);
440
441 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
442 &ufoma_callback, &sc->sc_lock);
443 if (error) {
444 DPRINTF("ucom_attach failed\n");
445 goto detach;
446 }
447 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
448
449 /*Sysctls*/
450 sctx = device_get_sysctl_ctx(dev);
451 soid = device_get_sysctl_tree(dev);
452
453 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode",
454 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support,
455 "A", "Supporting port role");
456
457 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
458 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current,
459 "A", "Current port role");
460
461 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
462 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open,
463 "A", "Mode to transit when port is opened");
464 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit",
465 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0,
466 "Unit number as USB serial");
467
468 return (0); /* success */
469
470 detach:
471 ufoma_detach(dev);
472 return (ENXIO); /* failure */
473 }
474
475 static int
ufoma_detach(device_t dev)476 ufoma_detach(device_t dev)
477 {
478 struct ufoma_softc *sc = device_get_softc(dev);
479
480 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
481 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
482 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
483
484 if (sc->sc_modetable) {
485 kfree(sc->sc_modetable, M_USBDEV);
486 }
487 lockuninit(&sc->sc_lock);
488 cv_destroy(&sc->sc_cv);
489
490 return (0);
491 }
492
493 static void *
ufoma_get_intconf(struct usb_config_descriptor * cd,struct usb_interface_descriptor * id,uint8_t type,uint8_t subtype)494 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
495 uint8_t type, uint8_t subtype)
496 {
497 struct usb_descriptor *desc = (void *)id;
498
499 while ((desc = usb_desc_foreach(cd, desc))) {
500
501 if (desc->bDescriptorType == UDESC_INTERFACE) {
502 return (NULL);
503 }
504 if ((desc->bDescriptorType == type) &&
505 (desc->bDescriptorSubtype == subtype)) {
506 break;
507 }
508 }
509 return (desc);
510 }
511
512 static void
ufoma_cfg_link_state(struct ufoma_softc * sc)513 ufoma_cfg_link_state(struct ufoma_softc *sc)
514 {
515 struct usb_device_request req;
516 int32_t error;
517
518 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
519 req.bRequest = UMCPC_SET_LINK;
520 USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
521 USETW(req.wIndex, sc->sc_ctrl_iface_no);
522 USETW(req.wLength, sc->sc_modetable[0]);
523
524 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
525 &req, sc->sc_modetable, 0, 1000);
526
527 error = cv_timedwait(&sc->sc_cv, &sc->sc_lock, hz);
528
529 if (error) {
530 DPRINTF("NO response\n");
531 }
532 }
533
534 static void
ufoma_cfg_activate_state(struct ufoma_softc * sc,uint16_t state)535 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
536 {
537 struct usb_device_request req;
538 int32_t error;
539
540 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
541 req.bRequest = UMCPC_ACTIVATE_MODE;
542 USETW(req.wValue, state);
543 USETW(req.wIndex, sc->sc_ctrl_iface_no);
544 USETW(req.wLength, 0);
545
546 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
547 &req, NULL, 0, 1000);
548
549 error = cv_timedwait(&sc->sc_cv, &sc->sc_lock,
550 (UFOMA_MAX_TIMEOUT * hz));
551 if (error) {
552 DPRINTF("No response\n");
553 }
554 }
555
556 static void
ufoma_ctrl_read_callback(struct usb_xfer * xfer,usb_error_t error)557 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
558 {
559 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
560 struct usb_device_request req;
561 struct usb_page_cache *pc0, *pc1;
562 int len, aframes, nframes;
563
564 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
565
566 switch (USB_GET_STATE(xfer)) {
567 case USB_ST_TRANSFERRED:
568 tr_transferred:
569 if (aframes != nframes)
570 goto tr_setup;
571 pc1 = usbd_xfer_get_frame(xfer, 1);
572 len = usbd_xfer_frame_len(xfer, 1);
573 if (len > 0)
574 ucom_put_data(&sc->sc_ucom, pc1, 0, len);
575 /* FALLTHROUGH */
576 case USB_ST_SETUP:
577 tr_setup:
578 if (sc->sc_num_msg) {
579 sc->sc_num_msg--;
580
581 req.bmRequestType = UT_READ_CLASS_INTERFACE;
582 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
583 USETW(req.wIndex, sc->sc_ctrl_iface_no);
584 USETW(req.wValue, 0);
585 USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
586
587 pc0 = usbd_xfer_get_frame(xfer, 0);
588 usbd_copy_in(pc0, 0, &req, sizeof(req));
589
590 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
591 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
592 usbd_xfer_set_frames(xfer, 2);
593 usbd_transfer_submit(xfer);
594 }
595 return;
596
597 default: /* Error */
598 DPRINTF("error = %s\n",
599 usbd_errstr(error));
600
601 if (error == USB_ERR_CANCELLED) {
602 return;
603 } else {
604 goto tr_setup;
605 }
606
607 goto tr_transferred;
608 }
609 }
610
611 static void
ufoma_ctrl_write_callback(struct usb_xfer * xfer,usb_error_t error)612 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
613 {
614 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
615 struct usb_device_request req;
616 struct usb_page_cache *pc;
617 uint32_t actlen;
618
619 switch (USB_GET_STATE(xfer)) {
620 case USB_ST_TRANSFERRED:
621 tr_transferred:
622 case USB_ST_SETUP:
623 tr_setup:
624 pc = usbd_xfer_get_frame(xfer, 1);
625 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
626
627 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
628 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
629 USETW(req.wIndex, sc->sc_ctrl_iface_no);
630 USETW(req.wValue, 0);
631 USETW(req.wLength, 1);
632
633 pc = usbd_xfer_get_frame(xfer, 0);
634 usbd_copy_in(pc, 0, &req, sizeof(req));
635
636 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
637 usbd_xfer_set_frame_len(xfer, 1, 1);
638 usbd_xfer_set_frames(xfer, 2);
639
640 usbd_transfer_submit(xfer);
641 }
642 return;
643
644 default: /* Error */
645 DPRINTF("error = %s\n", usbd_errstr(error));
646
647 if (error == USB_ERR_CANCELLED) {
648 return;
649 } else {
650 goto tr_setup;
651 }
652
653 goto tr_transferred;
654 }
655 }
656
657 static void
ufoma_intr_callback(struct usb_xfer * xfer,usb_error_t error)658 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
659 {
660 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
661 struct usb_cdc_notification pkt;
662 struct usb_page_cache *pc;
663 uint16_t wLen;
664 uint16_t temp;
665 uint8_t mstatus;
666 int actlen;
667
668 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
669
670 switch (USB_GET_STATE(xfer)) {
671 case USB_ST_TRANSFERRED:
672 if (actlen < 8) {
673 DPRINTF("too short message\n");
674 goto tr_setup;
675 }
676 if (actlen > sizeof(pkt)) {
677 DPRINTF("truncating message\n");
678 actlen = sizeof(pkt);
679 }
680 pc = usbd_xfer_get_frame(xfer, 0);
681 usbd_copy_out(pc, 0, &pkt, actlen);
682
683 actlen -= 8;
684
685 wLen = UGETW(pkt.wLength);
686 if (actlen > wLen) {
687 actlen = wLen;
688 }
689 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
690 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
691 temp = UGETW(pkt.wValue);
692 sc->sc_currentmode = (temp >> 8);
693 if (!(temp & 0xff)) {
694 DPRINTF("Mode change failed!\n");
695 }
696 cv_signal(&sc->sc_cv);
697 }
698 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
699 goto tr_setup;
700 }
701 switch (pkt.bNotification) {
702 case UCDC_N_RESPONSE_AVAILABLE:
703 if (!(sc->sc_nobulk)) {
704 DPRINTF("Wrong serial state!\n");
705 break;
706 }
707 if (sc->sc_num_msg != 0xFF) {
708 sc->sc_num_msg++;
709 }
710 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
711 break;
712
713 case UCDC_N_SERIAL_STATE:
714 if (sc->sc_nobulk) {
715 DPRINTF("Wrong serial state!\n");
716 break;
717 }
718 /*
719 * Set the serial state in ucom driver based on
720 * the bits from the notify message
721 */
722 if (actlen < 2) {
723 DPRINTF("invalid notification "
724 "length, %d bytes!\n", actlen);
725 break;
726 }
727 DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
728 pkt.data[0], pkt.data[1]);
729
730 /* currently, lsr is always zero. */
731 sc->sc_lsr = 0;
732 sc->sc_msr = 0;
733
734 mstatus = pkt.data[0];
735
736 if (mstatus & UCDC_N_SERIAL_RI) {
737 sc->sc_msr |= SER_RI;
738 }
739 if (mstatus & UCDC_N_SERIAL_DSR) {
740 sc->sc_msr |= SER_DSR;
741 }
742 if (mstatus & UCDC_N_SERIAL_DCD) {
743 sc->sc_msr |= SER_DCD;
744 }
745 ucom_status_change(&sc->sc_ucom);
746 break;
747
748 default:
749 break;
750 }
751
752 case USB_ST_SETUP:
753 tr_setup:
754 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
755 usbd_transfer_submit(xfer);
756 return;
757
758 default: /* Error */
759 if (error != USB_ERR_CANCELLED) {
760 /* try to clear stall first */
761 usbd_xfer_set_stall(xfer);
762 goto tr_setup;
763 }
764 return;
765 }
766 }
767
768 static void
ufoma_bulk_write_callback(struct usb_xfer * xfer,usb_error_t error)769 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
770 {
771 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
772 struct usb_page_cache *pc;
773 uint32_t actlen;
774
775 switch (USB_GET_STATE(xfer)) {
776 case USB_ST_SETUP:
777 case USB_ST_TRANSFERRED:
778 tr_setup:
779 pc = usbd_xfer_get_frame(xfer, 0);
780 if (ucom_get_data(&sc->sc_ucom, pc, 0,
781 UFOMA_BULK_BUF_SIZE, &actlen)) {
782 usbd_xfer_set_frame_len(xfer, 0, actlen);
783 usbd_transfer_submit(xfer);
784 }
785 return;
786
787 default: /* Error */
788 if (error != USB_ERR_CANCELLED) {
789 /* try to clear stall first */
790 usbd_xfer_set_stall(xfer);
791 goto tr_setup;
792 }
793 return;
794 }
795 }
796
797 static void
ufoma_bulk_read_callback(struct usb_xfer * xfer,usb_error_t error)798 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
799 {
800 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
801 struct usb_page_cache *pc;
802 int actlen;
803
804 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
805
806 switch (USB_GET_STATE(xfer)) {
807 case USB_ST_TRANSFERRED:
808 pc = usbd_xfer_get_frame(xfer, 0);
809 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
810
811 case USB_ST_SETUP:
812 tr_setup:
813 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
814 usbd_transfer_submit(xfer);
815 return;
816
817 default: /* Error */
818 if (error != USB_ERR_CANCELLED) {
819 /* try to clear stall first */
820 usbd_xfer_set_stall(xfer);
821 goto tr_setup;
822 }
823 return;
824 }
825 }
826
827 static void
ufoma_cfg_open(struct ucom_softc * ucom)828 ufoma_cfg_open(struct ucom_softc *ucom)
829 {
830 struct ufoma_softc *sc = ucom->sc_parent;
831
832 /* empty input queue */
833
834 if (sc->sc_num_msg != 0xFF) {
835 sc->sc_num_msg++;
836 }
837 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
838 ufoma_cfg_link_state(sc);
839 }
840 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
841 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
842 }
843 }
844
845 static void
ufoma_cfg_close(struct ucom_softc * ucom)846 ufoma_cfg_close(struct ucom_softc *ucom)
847 {
848 struct ufoma_softc *sc = ucom->sc_parent;
849
850 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
851 }
852
853 static void
ufoma_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)854 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
855 {
856 struct ufoma_softc *sc = ucom->sc_parent;
857 struct usb_device_request req;
858 uint16_t wValue;
859
860 if (sc->sc_nobulk ||
861 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
862 return;
863 }
864 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
865 return;
866 }
867 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
868
869 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
870 req.bRequest = UCDC_SEND_BREAK;
871 USETW(req.wValue, wValue);
872 req.wIndex[0] = sc->sc_ctrl_iface_no;
873 req.wIndex[1] = 0;
874 USETW(req.wLength, 0);
875
876 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
877 &req, NULL, 0, 1000);
878 }
879
880 static void
ufoma_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)881 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
882 {
883 struct ufoma_softc *sc = ucom->sc_parent;
884
885 *lsr = sc->sc_lsr;
886 *msr = sc->sc_msr;
887 }
888
889 static void
ufoma_cfg_set_line_state(struct ufoma_softc * sc)890 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
891 {
892 struct usb_device_request req;
893
894 /* Don't send line state emulation request for OBEX port */
895 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
896 return;
897 }
898 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
899 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
900 USETW(req.wValue, sc->sc_line);
901 req.wIndex[0] = sc->sc_ctrl_iface_no;
902 req.wIndex[1] = 0;
903 USETW(req.wLength, 0);
904
905 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
906 &req, NULL, 0, 1000);
907 }
908
909 static void
ufoma_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)910 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
911 {
912 struct ufoma_softc *sc = ucom->sc_parent;
913
914 if (sc->sc_nobulk) {
915 return;
916 }
917 if (onoff)
918 sc->sc_line |= UCDC_LINE_DTR;
919 else
920 sc->sc_line &= ~UCDC_LINE_DTR;
921
922 ufoma_cfg_set_line_state(sc);
923 }
924
925 static void
ufoma_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)926 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
927 {
928 struct ufoma_softc *sc = ucom->sc_parent;
929
930 if (sc->sc_nobulk) {
931 return;
932 }
933 if (onoff)
934 sc->sc_line |= UCDC_LINE_RTS;
935 else
936 sc->sc_line &= ~UCDC_LINE_RTS;
937
938 ufoma_cfg_set_line_state(sc);
939 }
940
941 static int
ufoma_pre_param(struct ucom_softc * ucom,struct termios * t)942 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
943 {
944 return (0); /* we accept anything */
945 }
946
947 static void
ufoma_cfg_param(struct ucom_softc * ucom,struct termios * t)948 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
949 {
950 struct ufoma_softc *sc = ucom->sc_parent;
951 struct usb_device_request req;
952 struct usb_cdc_line_state ls;
953
954 if (sc->sc_nobulk ||
955 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
956 return;
957 }
958 DPRINTF("\n");
959
960 memset(&ls, 0, sizeof(ls));
961
962 USETDW(ls.dwDTERate, t->c_ospeed);
963
964 if (t->c_cflag & CSTOPB) {
965 ls.bCharFormat = UCDC_STOP_BIT_2;
966 } else {
967 ls.bCharFormat = UCDC_STOP_BIT_1;
968 }
969
970 if (t->c_cflag & PARENB) {
971 if (t->c_cflag & PARODD) {
972 ls.bParityType = UCDC_PARITY_ODD;
973 } else {
974 ls.bParityType = UCDC_PARITY_EVEN;
975 }
976 } else {
977 ls.bParityType = UCDC_PARITY_NONE;
978 }
979
980 switch (t->c_cflag & CSIZE) {
981 case CS5:
982 ls.bDataBits = 5;
983 break;
984 case CS6:
985 ls.bDataBits = 6;
986 break;
987 case CS7:
988 ls.bDataBits = 7;
989 break;
990 case CS8:
991 ls.bDataBits = 8;
992 break;
993 }
994
995 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
996 req.bRequest = UCDC_SET_LINE_CODING;
997 USETW(req.wValue, 0);
998 req.wIndex[0] = sc->sc_ctrl_iface_no;
999 req.wIndex[1] = 0;
1000 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1001
1002 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1003 &req, &ls, 0, 1000);
1004 }
1005
1006 static int
ufoma_modem_setup(device_t dev,struct ufoma_softc * sc,struct usb_attach_arg * uaa)1007 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1008 struct usb_attach_arg *uaa)
1009 {
1010 struct usb_config_descriptor *cd;
1011 struct usb_cdc_acm_descriptor *acm;
1012 struct usb_cdc_cm_descriptor *cmd;
1013 struct usb_interface_descriptor *id;
1014 struct usb_interface *iface;
1015 uint8_t i;
1016 int32_t error;
1017
1018 cd = usbd_get_config_descriptor(uaa->device);
1019 id = usbd_get_interface_descriptor(uaa->iface);
1020
1021 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1022
1023 if ((cmd == NULL) ||
1024 (cmd->bLength < sizeof(*cmd))) {
1025 return (EINVAL);
1026 }
1027 sc->sc_cm_cap = cmd->bmCapabilities;
1028 sc->sc_data_iface_no = cmd->bDataInterface;
1029
1030 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1031
1032 if ((acm == NULL) ||
1033 (acm->bLength < sizeof(*acm))) {
1034 return (EINVAL);
1035 }
1036 sc->sc_acm_cap = acm->bmCapabilities;
1037
1038 device_printf(dev, "data interface %d, has %sCM over data, "
1039 "has %sbreak\n",
1040 sc->sc_data_iface_no,
1041 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1042 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1043
1044 /* get the data interface too */
1045
1046 for (i = 0;; i++) {
1047
1048 iface = usbd_get_iface(uaa->device, i);
1049
1050 if (iface) {
1051
1052 id = usbd_get_interface_descriptor(iface);
1053
1054 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1055 sc->sc_data_iface_index = i;
1056 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1057 break;
1058 }
1059 } else {
1060 device_printf(dev, "no data interface\n");
1061 return (EINVAL);
1062 }
1063 }
1064
1065 error = usbd_transfer_setup(uaa->device,
1066 &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1067 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_lock);
1068
1069 if (error) {
1070 device_printf(dev, "allocating BULK USB "
1071 "transfers failed\n");
1072 return (EINVAL);
1073 }
1074 return (0);
1075 }
1076
1077 static void
ufoma_start_read(struct ucom_softc * ucom)1078 ufoma_start_read(struct ucom_softc *ucom)
1079 {
1080 struct ufoma_softc *sc = ucom->sc_parent;
1081
1082 /* start interrupt transfer */
1083 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1084
1085 /* start data transfer */
1086 if (sc->sc_nobulk) {
1087 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1088 } else {
1089 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1090 }
1091 }
1092
1093 static void
ufoma_stop_read(struct ucom_softc * ucom)1094 ufoma_stop_read(struct ucom_softc *ucom)
1095 {
1096 struct ufoma_softc *sc = ucom->sc_parent;
1097
1098 /* stop interrupt transfer */
1099 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1100
1101 /* stop data transfer */
1102 if (sc->sc_nobulk) {
1103 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1104 } else {
1105 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1106 }
1107 }
1108
1109 static void
ufoma_start_write(struct ucom_softc * ucom)1110 ufoma_start_write(struct ucom_softc *ucom)
1111 {
1112 struct ufoma_softc *sc = ucom->sc_parent;
1113
1114 if (sc->sc_nobulk) {
1115 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1116 } else {
1117 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1118 }
1119 }
1120
1121 static void
ufoma_stop_write(struct ucom_softc * ucom)1122 ufoma_stop_write(struct ucom_softc *ucom)
1123 {
1124 struct ufoma_softc *sc = ucom->sc_parent;
1125
1126 if (sc->sc_nobulk) {
1127 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1128 } else {
1129 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1130 }
1131 }
1132
1133 static struct umcpc_modetostr_tab{
1134 int mode;
1135 char *str;
1136 }umcpc_modetostr_tab[]={
1137 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1138 {UMCPC_ACM_MODE_MODEM, "modem"},
1139 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1140 {UMCPC_ACM_MODE_OBEX, "obex"},
1141 {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1142 {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1143 {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1144 {0, NULL}
1145 };
1146
ufoma_mode_to_str(int mode)1147 static char *ufoma_mode_to_str(int mode)
1148 {
1149 int i;
1150 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1151 if(umcpc_modetostr_tab[i].mode == mode){
1152 return umcpc_modetostr_tab[i].str;
1153 }
1154 }
1155 return NULL;
1156 }
1157
ufoma_str_to_mode(char * str)1158 static int ufoma_str_to_mode(char *str)
1159 {
1160 int i;
1161 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1162 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1163 return umcpc_modetostr_tab[i].mode;
1164 }
1165 }
1166 return -1;
1167 }
1168
ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)1169 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1170 {
1171 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1172 struct sbuf sb;
1173 int i;
1174 char *mode;
1175
1176 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1177 for(i = 1; i < sc->sc_modetable[0]; i++){
1178 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1179 if(mode !=NULL){
1180 sbuf_cat(&sb, mode);
1181 }else{
1182 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1183 }
1184 if(i < (sc->sc_modetable[0]-1))
1185 sbuf_cat(&sb, ",");
1186 }
1187 sbuf_trim(&sb);
1188 sbuf_finish(&sb);
1189 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1190 sbuf_delete(&sb);
1191
1192 return 0;
1193 }
ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)1194 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1195 {
1196 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1197 char *mode;
1198 char subbuf[]="(XXX)";
1199 mode = ufoma_mode_to_str(sc->sc_currentmode);
1200 if(!mode){
1201 mode = subbuf;
1202 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1203 }
1204 sysctl_handle_string(oidp, mode, strlen(mode), req);
1205
1206 return 0;
1207 }
ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)1208 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1209 {
1210 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1211 char *mode;
1212 char subbuf[40];
1213 int newmode;
1214 int error;
1215 int i;
1216
1217 mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1218 if(mode){
1219 strncpy(subbuf, mode, sizeof(subbuf));
1220 }else{
1221 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1222 }
1223 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1224 if(error != 0 || req->newptr == NULL){
1225 return error;
1226 }
1227
1228 if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1229 return EINVAL;
1230 }
1231
1232 for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1233 if(sc->sc_modetable[i] == newmode){
1234 sc->sc_modetoactivate = newmode;
1235 return 0;
1236 }
1237 }
1238
1239 return EINVAL;
1240 }
1241
1242 static void
ufoma_poll(struct ucom_softc * ucom)1243 ufoma_poll(struct ucom_softc *ucom)
1244 {
1245 struct ufoma_softc *sc = ucom->sc_parent;
1246 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1247 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1248 }
1249