1 /* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
2
3 #define UFOMA_HANDSFREE
4 /*-
5 * SPDX-License-Identifier: BSD-2-Clause
6 *
7 * Copyright (c) 2005, Takanori Watanabe All rights reserved.
8 * Copyright (c) 2003 M. Warner Losh <imp@FreeBSD.org>
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 * Copyright (c) 1998 The NetBSD Foundation, Inc.
34 * All rights reserved.
35 *
36 * This code is derived from software contributed to The NetBSD Foundation
37 * by Lennart Augustsson (lennart@augustsson.net) at
38 * Carlstedt Research & Technology.
39 *
40 * Redistribution and use in source and binary forms, with or without
41 * modification, are permitted provided that the following conditions
42 * are met:
43 * 1. Redistributions of source code must retain the above copyright
44 * notice, this list of conditions and the following disclaimer.
45 * 2. Redistributions in binary form must reproduce the above copyright
46 * notice, this list of conditions and the following disclaimer in the
47 * documentation and/or other materials provided with the distribution.
48 *
49 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
50 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
51 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
52 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
53 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
54 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
55 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
56 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
57 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
58 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
59 * POSSIBILITY OF SUCH DAMAGE.
60 */
61
62 /*
63 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
64 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
65 */
66
67 /*
68 * TODO:
69 * - Implement a Call Device for modems without multiplexed commands.
70 */
71
72 /*
73 * NOTE: all function names beginning like "ufoma_cfg_" can only
74 * be called from within the config thread function !
75 */
76
77 #include <sys/stdint.h>
78 #include <sys/stddef.h>
79 #include <sys/param.h>
80 #include <sys/queue.h>
81 #include <sys/types.h>
82 #include <sys/systm.h>
83 #include <sys/kernel.h>
84 #include <sys/bus.h>
85 #include <sys/module.h>
86 #include <sys/lock.h>
87 #include <sys/mutex.h>
88 #include <sys/condvar.h>
89 #include <sys/sysctl.h>
90 #include <sys/sx.h>
91 #include <sys/unistd.h>
92 #include <sys/callout.h>
93 #include <sys/malloc.h>
94 #include <sys/priv.h>
95 #include <sys/sbuf.h>
96
97 #include <dev/usb/usb.h>
98 #include <dev/usb/usbdi.h>
99 #include <dev/usb/usbdi_util.h>
100 #include <dev/usb/usb_cdc.h>
101 #include "usbdevs.h"
102
103 #define USB_DEBUG_VAR usb_debug
104 #include <dev/usb/usb_debug.h>
105 #include <dev/usb/usb_process.h>
106
107 #include <dev/usb/serial/usb_serial.h>
108
109 typedef struct ufoma_mobile_acm_descriptor {
110 uint8_t bFunctionLength;
111 uint8_t bDescriptorType;
112 uint8_t bDescriptorSubtype;
113 uint8_t bType;
114 uint8_t bMode[1];
115 } __packed usb_mcpc_acm_descriptor;
116
117 #define UISUBCLASS_MCPC 0x88
118
119 #define UDESC_VS_INTERFACE 0x44
120 #define UDESCSUB_MCPC_ACM 0x11
121
122 #define UMCPC_ACM_TYPE_AB1 0x1
123 #define UMCPC_ACM_TYPE_AB2 0x2
124 #define UMCPC_ACM_TYPE_AB5 0x5
125 #define UMCPC_ACM_TYPE_AB6 0x6
126
127 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
128 #define UMCPC_ACM_MODE_MODEM 0x1
129 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
130 #define UMCPC_ACM_MODE_OBEX 0x60
131 #define UMCPC_ACM_MODE_VENDOR1 0xc0
132 #define UMCPC_ACM_MODE_VENDOR2 0xfe
133 #define UMCPC_ACM_MODE_UNLINKED 0xff
134
135 #define UMCPC_CM_MOBILE_ACM 0x0
136
137 #define UMCPC_ACTIVATE_MODE 0x60
138 #define UMCPC_GET_MODETABLE 0x61
139 #define UMCPC_SET_LINK 0x62
140 #define UMCPC_CLEAR_LINK 0x63
141
142 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
143
144 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */
145 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */
146
147 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */
148
149 enum {
150 UFOMA_CTRL_ENDPT_INTR,
151 UFOMA_CTRL_ENDPT_READ,
152 UFOMA_CTRL_ENDPT_WRITE,
153 UFOMA_CTRL_ENDPT_MAX,
154 };
155
156 enum {
157 UFOMA_BULK_ENDPT_WRITE,
158 UFOMA_BULK_ENDPT_READ,
159 UFOMA_BULK_ENDPT_MAX,
160 };
161
162 struct ufoma_softc {
163 struct ucom_super_softc sc_super_ucom;
164 struct ucom_softc sc_ucom;
165 struct cv sc_cv;
166 struct mtx sc_mtx;
167
168 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
169 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
170 uint8_t *sc_modetable;
171 device_t sc_dev;
172 struct usb_device *sc_udev;
173
174 uint32_t sc_unit;
175
176 uint16_t sc_line;
177
178 uint8_t sc_num_msg;
179 uint8_t sc_nobulk;
180 uint8_t sc_ctrl_iface_no;
181 uint8_t sc_ctrl_iface_index;
182 uint8_t sc_data_iface_no;
183 uint8_t sc_data_iface_index;
184 uint8_t sc_cm_cap;
185 uint8_t sc_acm_cap;
186 uint8_t sc_lsr;
187 uint8_t sc_msr;
188 uint8_t sc_modetoactivate;
189 uint8_t sc_currentmode;
190 };
191
192 /* prototypes */
193
194 static device_probe_t ufoma_probe;
195 static device_attach_t ufoma_attach;
196 static device_detach_t ufoma_detach;
197 static void ufoma_free_softc(struct ufoma_softc *);
198
199 static usb_callback_t ufoma_ctrl_read_callback;
200 static usb_callback_t ufoma_ctrl_write_callback;
201 static usb_callback_t ufoma_intr_callback;
202 static usb_callback_t ufoma_bulk_write_callback;
203 static usb_callback_t ufoma_bulk_read_callback;
204
205 static void *ufoma_get_intconf(struct usb_config_descriptor *,
206 struct usb_interface_descriptor *, uint8_t, uint8_t);
207 static void ufoma_cfg_link_state(struct ufoma_softc *);
208 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
209 static void ufoma_free(struct ucom_softc *);
210 static void ufoma_cfg_open(struct ucom_softc *);
211 static void ufoma_cfg_close(struct ucom_softc *);
212 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
213 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
214 uint8_t *);
215 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
216 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
217 static int ufoma_pre_param(struct ucom_softc *, struct termios *);
218 static void ufoma_cfg_param(struct ucom_softc *, struct termios *);
219 static int ufoma_modem_setup(device_t, struct ufoma_softc *,
220 struct usb_attach_arg *);
221 static void ufoma_start_read(struct ucom_softc *);
222 static void ufoma_stop_read(struct ucom_softc *);
223 static void ufoma_start_write(struct ucom_softc *);
224 static void ufoma_stop_write(struct ucom_softc *);
225 static void ufoma_poll(struct ucom_softc *ucom);
226
227 /*sysctl stuff*/
228 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
229 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
230 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
231
232 static const struct usb_config
233 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
234 [UFOMA_CTRL_ENDPT_INTR] = {
235 .type = UE_INTERRUPT,
236 .endpoint = UE_ADDR_ANY,
237 .direction = UE_DIR_IN,
238 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
239 .bufsize = sizeof(struct usb_cdc_notification),
240 .callback = &ufoma_intr_callback,
241 },
242
243 [UFOMA_CTRL_ENDPT_READ] = {
244 .type = UE_CONTROL,
245 .endpoint = 0x00, /* Control pipe */
246 .direction = UE_DIR_ANY,
247 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
248 .flags = {.short_xfer_ok = 1,},
249 .callback = &ufoma_ctrl_read_callback,
250 .timeout = 1000, /* 1 second */
251 },
252
253 [UFOMA_CTRL_ENDPT_WRITE] = {
254 .type = UE_CONTROL,
255 .endpoint = 0x00, /* Control pipe */
256 .direction = UE_DIR_ANY,
257 .bufsize = (sizeof(struct usb_device_request) + 1),
258 .callback = &ufoma_ctrl_write_callback,
259 .timeout = 1000, /* 1 second */
260 },
261 };
262
263 static const struct usb_config
264 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
265 [UFOMA_BULK_ENDPT_WRITE] = {
266 .type = UE_BULK,
267 .endpoint = UE_ADDR_ANY,
268 .direction = UE_DIR_OUT,
269 .bufsize = UFOMA_BULK_BUF_SIZE,
270 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
271 .callback = &ufoma_bulk_write_callback,
272 },
273
274 [UFOMA_BULK_ENDPT_READ] = {
275 .type = UE_BULK,
276 .endpoint = UE_ADDR_ANY,
277 .direction = UE_DIR_IN,
278 .bufsize = UFOMA_BULK_BUF_SIZE,
279 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
280 .callback = &ufoma_bulk_read_callback,
281 },
282 };
283
284 static const struct ucom_callback ufoma_callback = {
285 .ucom_cfg_get_status = &ufoma_cfg_get_status,
286 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
287 .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
288 .ucom_cfg_set_break = &ufoma_cfg_set_break,
289 .ucom_cfg_param = &ufoma_cfg_param,
290 .ucom_cfg_open = &ufoma_cfg_open,
291 .ucom_cfg_close = &ufoma_cfg_close,
292 .ucom_pre_param = &ufoma_pre_param,
293 .ucom_start_read = &ufoma_start_read,
294 .ucom_stop_read = &ufoma_stop_read,
295 .ucom_start_write = &ufoma_start_write,
296 .ucom_stop_write = &ufoma_stop_write,
297 .ucom_poll = &ufoma_poll,
298 .ucom_free = &ufoma_free,
299 };
300
301 static device_method_t ufoma_methods[] = {
302 /* Device methods */
303 DEVMETHOD(device_probe, ufoma_probe),
304 DEVMETHOD(device_attach, ufoma_attach),
305 DEVMETHOD(device_detach, ufoma_detach),
306 DEVMETHOD_END
307 };
308
309 static driver_t ufoma_driver = {
310 .name = "ufoma",
311 .methods = ufoma_methods,
312 .size = sizeof(struct ufoma_softc),
313 };
314
315 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
316 {USB_IFACE_CLASS(UICLASS_CDC),
317 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
318 };
319
320 DRIVER_MODULE(ufoma, uhub, ufoma_driver, NULL, NULL);
321 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
322 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
323 MODULE_VERSION(ufoma, 1);
324 USB_PNP_HOST_INFO(ufoma_devs);
325
326 static int
ufoma_probe(device_t dev)327 ufoma_probe(device_t dev)
328 {
329 struct usb_attach_arg *uaa = device_get_ivars(dev);
330 struct usb_interface_descriptor *id;
331 struct usb_config_descriptor *cd;
332 usb_mcpc_acm_descriptor *mad;
333 int error;
334
335 if (uaa->usb_mode != USB_MODE_HOST)
336 return (ENXIO);
337
338 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
339 if (error)
340 return (error);
341
342 id = usbd_get_interface_descriptor(uaa->iface);
343 cd = usbd_get_config_descriptor(uaa->device);
344
345 if (id == NULL || cd == NULL)
346 return (ENXIO);
347
348 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
349 if (mad == NULL)
350 return (ENXIO);
351
352 #ifndef UFOMA_HANDSFREE
353 if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
354 (mad->bType == UMCPC_ACM_TYPE_AB6))
355 return (ENXIO);
356 #endif
357 return (BUS_PROBE_GENERIC);
358 }
359
360 static int
ufoma_attach(device_t dev)361 ufoma_attach(device_t dev)
362 {
363 struct usb_attach_arg *uaa = device_get_ivars(dev);
364 struct ufoma_softc *sc = device_get_softc(dev);
365 struct usb_config_descriptor *cd;
366 struct usb_interface_descriptor *id;
367 struct sysctl_ctx_list *sctx;
368 struct sysctl_oid *soid;
369
370 usb_mcpc_acm_descriptor *mad;
371 uint8_t elements;
372 int32_t error;
373
374 sc->sc_udev = uaa->device;
375 sc->sc_dev = dev;
376 sc->sc_unit = device_get_unit(dev);
377
378 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF);
379 ucom_ref(&sc->sc_super_ucom);
380 cv_init(&sc->sc_cv, "CWAIT");
381
382 device_set_usb_desc(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_mtx);
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 = malloc(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 mtx_lock(&sc->sc_mtx);
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 mtx_unlock(&sc->sc_mtx);
440
441 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
442 &ufoma_callback, &sc->sc_mtx);
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 | CTLFLAG_MPSAFE, sc, 0,
455 ufoma_sysctl_support, "A", "Supporting port role");
456
457 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
458 CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0,
459 ufoma_sysctl_current, "A", "Current port role");
460
461 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
462 CTLFLAG_RW | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0,
463 ufoma_sysctl_open, "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 free(sc->sc_modetable, M_USBDEV);
486 }
487 cv_destroy(&sc->sc_cv);
488
489 device_claim_softc(dev);
490
491 ufoma_free_softc(sc);
492
493 return (0);
494 }
495
496 UCOM_UNLOAD_DRAIN(ufoma);
497
498 static void
ufoma_free_softc(struct ufoma_softc * sc)499 ufoma_free_softc(struct ufoma_softc *sc)
500 {
501 if (ucom_unref(&sc->sc_super_ucom)) {
502 mtx_destroy(&sc->sc_mtx);
503 device_free_softc(sc);
504 }
505 }
506
507 static void
ufoma_free(struct ucom_softc * ucom)508 ufoma_free(struct ucom_softc *ucom)
509 {
510 ufoma_free_softc(ucom->sc_parent);
511 }
512
513 static void *
ufoma_get_intconf(struct usb_config_descriptor * cd,struct usb_interface_descriptor * id,uint8_t type,uint8_t subtype)514 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
515 uint8_t type, uint8_t subtype)
516 {
517 struct usb_descriptor *desc = (void *)id;
518
519 while ((desc = usb_desc_foreach(cd, desc))) {
520 if (desc->bDescriptorType == UDESC_INTERFACE) {
521 return (NULL);
522 }
523 if ((desc->bDescriptorType == type) &&
524 (desc->bDescriptorSubtype == subtype)) {
525 break;
526 }
527 }
528 return (desc);
529 }
530
531 static void
ufoma_cfg_link_state(struct ufoma_softc * sc)532 ufoma_cfg_link_state(struct ufoma_softc *sc)
533 {
534 struct usb_device_request req;
535 int32_t error;
536
537 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
538 req.bRequest = UMCPC_SET_LINK;
539 USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
540 USETW(req.wIndex, sc->sc_ctrl_iface_no);
541 USETW(req.wLength, sc->sc_modetable[0]);
542
543 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
544 &req, sc->sc_modetable, 0, 1000);
545
546 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz);
547
548 if (error) {
549 DPRINTF("NO response\n");
550 }
551 }
552
553 static void
ufoma_cfg_activate_state(struct ufoma_softc * sc,uint16_t state)554 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
555 {
556 struct usb_device_request req;
557 int32_t error;
558
559 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
560 req.bRequest = UMCPC_ACTIVATE_MODE;
561 USETW(req.wValue, state);
562 USETW(req.wIndex, sc->sc_ctrl_iface_no);
563 USETW(req.wLength, 0);
564
565 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
566 &req, NULL, 0, 1000);
567
568 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx,
569 (UFOMA_MAX_TIMEOUT * hz));
570 if (error) {
571 DPRINTF("No response\n");
572 }
573 }
574
575 static void
ufoma_ctrl_read_callback(struct usb_xfer * xfer,usb_error_t error)576 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
577 {
578 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
579 struct usb_device_request req;
580 struct usb_page_cache *pc0, *pc1;
581 int len, aframes, nframes;
582
583 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
584
585 switch (USB_GET_STATE(xfer)) {
586 case USB_ST_TRANSFERRED:
587 tr_transferred:
588 if (aframes != nframes)
589 goto tr_setup;
590 pc1 = usbd_xfer_get_frame(xfer, 1);
591 len = usbd_xfer_frame_len(xfer, 1);
592 if (len > 0)
593 ucom_put_data(&sc->sc_ucom, pc1, 0, len);
594 /* FALLTHROUGH */
595 case USB_ST_SETUP:
596 tr_setup:
597 if (sc->sc_num_msg) {
598 sc->sc_num_msg--;
599
600 req.bmRequestType = UT_READ_CLASS_INTERFACE;
601 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
602 USETW(req.wIndex, sc->sc_ctrl_iface_no);
603 USETW(req.wValue, 0);
604 USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
605
606 pc0 = usbd_xfer_get_frame(xfer, 0);
607 usbd_copy_in(pc0, 0, &req, sizeof(req));
608
609 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
610 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
611 usbd_xfer_set_frames(xfer, 2);
612 usbd_transfer_submit(xfer);
613 }
614 return;
615
616 default: /* Error */
617 DPRINTF("error = %s\n",
618 usbd_errstr(error));
619
620 if (error == USB_ERR_CANCELLED) {
621 return;
622 }
623 goto tr_transferred;
624 }
625 }
626
627 static void
ufoma_ctrl_write_callback(struct usb_xfer * xfer,usb_error_t error)628 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
629 {
630 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
631 struct usb_device_request req;
632 struct usb_page_cache *pc;
633 uint32_t actlen;
634
635 switch (USB_GET_STATE(xfer)) {
636 case USB_ST_TRANSFERRED:
637 tr_transferred:
638 case USB_ST_SETUP:
639 pc = usbd_xfer_get_frame(xfer, 1);
640 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
641 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
642 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
643 USETW(req.wIndex, sc->sc_ctrl_iface_no);
644 USETW(req.wValue, 0);
645 USETW(req.wLength, 1);
646
647 pc = usbd_xfer_get_frame(xfer, 0);
648 usbd_copy_in(pc, 0, &req, sizeof(req));
649
650 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
651 usbd_xfer_set_frame_len(xfer, 1, 1);
652 usbd_xfer_set_frames(xfer, 2);
653
654 usbd_transfer_submit(xfer);
655 }
656 return;
657
658 default: /* Error */
659 DPRINTF("error = %s\n", usbd_errstr(error));
660
661 if (error == USB_ERR_CANCELLED) {
662 return;
663 }
664 goto tr_transferred;
665 }
666 }
667
668 static void
ufoma_intr_callback(struct usb_xfer * xfer,usb_error_t error)669 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
670 {
671 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
672 struct usb_cdc_notification pkt;
673 struct usb_page_cache *pc;
674 uint16_t wLen;
675 uint16_t temp;
676 uint8_t mstatus;
677 int actlen;
678
679 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
680
681 switch (USB_GET_STATE(xfer)) {
682 case USB_ST_TRANSFERRED:
683 if (actlen < 8) {
684 DPRINTF("too short message\n");
685 goto tr_setup;
686 }
687 if (actlen > (int)sizeof(pkt)) {
688 DPRINTF("truncating message\n");
689 actlen = sizeof(pkt);
690 }
691 pc = usbd_xfer_get_frame(xfer, 0);
692 usbd_copy_out(pc, 0, &pkt, actlen);
693
694 actlen -= 8;
695
696 wLen = UGETW(pkt.wLength);
697 if (actlen > wLen) {
698 actlen = wLen;
699 }
700 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
701 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
702 temp = UGETW(pkt.wValue);
703 sc->sc_currentmode = (temp >> 8);
704 if (!(temp & 0xff)) {
705 DPRINTF("Mode change failed!\n");
706 }
707 cv_signal(&sc->sc_cv);
708 }
709 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
710 goto tr_setup;
711 }
712 switch (pkt.bNotification) {
713 case UCDC_N_RESPONSE_AVAILABLE:
714 if (!(sc->sc_nobulk)) {
715 DPRINTF("Wrong serial state!\n");
716 break;
717 }
718 if (sc->sc_num_msg != 0xFF) {
719 sc->sc_num_msg++;
720 }
721 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
722 break;
723
724 case UCDC_N_SERIAL_STATE:
725 if (sc->sc_nobulk) {
726 DPRINTF("Wrong serial state!\n");
727 break;
728 }
729 /*
730 * Set the serial state in ucom driver based on
731 * the bits from the notify message
732 */
733 if (actlen < 2) {
734 DPRINTF("invalid notification "
735 "length, %d bytes!\n", actlen);
736 break;
737 }
738 DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
739 pkt.data[0], pkt.data[1]);
740
741 /* currently, lsr is always zero. */
742 sc->sc_lsr = 0;
743 sc->sc_msr = 0;
744
745 mstatus = pkt.data[0];
746
747 if (mstatus & UCDC_N_SERIAL_RI) {
748 sc->sc_msr |= SER_RI;
749 }
750 if (mstatus & UCDC_N_SERIAL_DSR) {
751 sc->sc_msr |= SER_DSR;
752 }
753 if (mstatus & UCDC_N_SERIAL_DCD) {
754 sc->sc_msr |= SER_DCD;
755 }
756 ucom_status_change(&sc->sc_ucom);
757 break;
758
759 default:
760 break;
761 }
762
763 case USB_ST_SETUP:
764 tr_setup:
765 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
766 usbd_transfer_submit(xfer);
767 return;
768
769 default: /* Error */
770 if (error != USB_ERR_CANCELLED) {
771 /* try to clear stall first */
772 usbd_xfer_set_stall(xfer);
773 goto tr_setup;
774 }
775 return;
776 }
777 }
778
779 static void
ufoma_bulk_write_callback(struct usb_xfer * xfer,usb_error_t error)780 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
781 {
782 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
783 struct usb_page_cache *pc;
784 uint32_t actlen;
785
786 switch (USB_GET_STATE(xfer)) {
787 case USB_ST_SETUP:
788 case USB_ST_TRANSFERRED:
789 tr_setup:
790 pc = usbd_xfer_get_frame(xfer, 0);
791 if (ucom_get_data(&sc->sc_ucom, pc, 0,
792 UFOMA_BULK_BUF_SIZE, &actlen)) {
793 usbd_xfer_set_frame_len(xfer, 0, actlen);
794 usbd_transfer_submit(xfer);
795 }
796 return;
797
798 default: /* Error */
799 if (error != USB_ERR_CANCELLED) {
800 /* try to clear stall first */
801 usbd_xfer_set_stall(xfer);
802 goto tr_setup;
803 }
804 return;
805 }
806 }
807
808 static void
ufoma_bulk_read_callback(struct usb_xfer * xfer,usb_error_t error)809 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
810 {
811 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
812 struct usb_page_cache *pc;
813 int actlen;
814
815 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
816
817 switch (USB_GET_STATE(xfer)) {
818 case USB_ST_TRANSFERRED:
819 pc = usbd_xfer_get_frame(xfer, 0);
820 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
821
822 case USB_ST_SETUP:
823 tr_setup:
824 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
825 usbd_transfer_submit(xfer);
826 return;
827
828 default: /* Error */
829 if (error != USB_ERR_CANCELLED) {
830 /* try to clear stall first */
831 usbd_xfer_set_stall(xfer);
832 goto tr_setup;
833 }
834 return;
835 }
836 }
837
838 static void
ufoma_cfg_open(struct ucom_softc * ucom)839 ufoma_cfg_open(struct ucom_softc *ucom)
840 {
841 struct ufoma_softc *sc = ucom->sc_parent;
842
843 /* empty input queue */
844
845 if (sc->sc_num_msg != 0xFF) {
846 sc->sc_num_msg++;
847 }
848 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
849 ufoma_cfg_link_state(sc);
850 }
851 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
852 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
853 }
854 }
855
856 static void
ufoma_cfg_close(struct ucom_softc * ucom)857 ufoma_cfg_close(struct ucom_softc *ucom)
858 {
859 struct ufoma_softc *sc = ucom->sc_parent;
860
861 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
862 }
863
864 static void
ufoma_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)865 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
866 {
867 struct ufoma_softc *sc = ucom->sc_parent;
868 struct usb_device_request req;
869 uint16_t wValue;
870
871 if (sc->sc_nobulk ||
872 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
873 return;
874 }
875 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
876 return;
877 }
878 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
879
880 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
881 req.bRequest = UCDC_SEND_BREAK;
882 USETW(req.wValue, wValue);
883 req.wIndex[0] = sc->sc_ctrl_iface_no;
884 req.wIndex[1] = 0;
885 USETW(req.wLength, 0);
886
887 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
888 &req, NULL, 0, 1000);
889 }
890
891 static void
ufoma_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)892 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
893 {
894 struct ufoma_softc *sc = ucom->sc_parent;
895
896 /* XXX Note: sc_lsr is always zero */
897 *lsr = sc->sc_lsr;
898 *msr = sc->sc_msr;
899 }
900
901 static void
ufoma_cfg_set_line_state(struct ufoma_softc * sc)902 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
903 {
904 struct usb_device_request req;
905
906 /* Don't send line state emulation request for OBEX port */
907 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
908 return;
909 }
910 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
911 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
912 USETW(req.wValue, sc->sc_line);
913 req.wIndex[0] = sc->sc_ctrl_iface_no;
914 req.wIndex[1] = 0;
915 USETW(req.wLength, 0);
916
917 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
918 &req, NULL, 0, 1000);
919 }
920
921 static void
ufoma_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)922 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
923 {
924 struct ufoma_softc *sc = ucom->sc_parent;
925
926 if (sc->sc_nobulk) {
927 return;
928 }
929 if (onoff)
930 sc->sc_line |= UCDC_LINE_DTR;
931 else
932 sc->sc_line &= ~UCDC_LINE_DTR;
933
934 ufoma_cfg_set_line_state(sc);
935 }
936
937 static void
ufoma_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)938 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
939 {
940 struct ufoma_softc *sc = ucom->sc_parent;
941
942 if (sc->sc_nobulk) {
943 return;
944 }
945 if (onoff)
946 sc->sc_line |= UCDC_LINE_RTS;
947 else
948 sc->sc_line &= ~UCDC_LINE_RTS;
949
950 ufoma_cfg_set_line_state(sc);
951 }
952
953 static int
ufoma_pre_param(struct ucom_softc * ucom,struct termios * t)954 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
955 {
956 return (0); /* we accept anything */
957 }
958
959 static void
ufoma_cfg_param(struct ucom_softc * ucom,struct termios * t)960 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
961 {
962 struct ufoma_softc *sc = ucom->sc_parent;
963 struct usb_device_request req;
964 struct usb_cdc_line_state ls;
965
966 if (sc->sc_nobulk ||
967 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
968 return;
969 }
970 DPRINTF("\n");
971
972 memset(&ls, 0, sizeof(ls));
973
974 USETDW(ls.dwDTERate, t->c_ospeed);
975
976 if (t->c_cflag & CSTOPB) {
977 ls.bCharFormat = UCDC_STOP_BIT_2;
978 } else {
979 ls.bCharFormat = UCDC_STOP_BIT_1;
980 }
981
982 if (t->c_cflag & PARENB) {
983 if (t->c_cflag & PARODD) {
984 ls.bParityType = UCDC_PARITY_ODD;
985 } else {
986 ls.bParityType = UCDC_PARITY_EVEN;
987 }
988 } else {
989 ls.bParityType = UCDC_PARITY_NONE;
990 }
991
992 switch (t->c_cflag & CSIZE) {
993 case CS5:
994 ls.bDataBits = 5;
995 break;
996 case CS6:
997 ls.bDataBits = 6;
998 break;
999 case CS7:
1000 ls.bDataBits = 7;
1001 break;
1002 case CS8:
1003 ls.bDataBits = 8;
1004 break;
1005 }
1006
1007 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
1008 req.bRequest = UCDC_SET_LINE_CODING;
1009 USETW(req.wValue, 0);
1010 req.wIndex[0] = sc->sc_ctrl_iface_no;
1011 req.wIndex[1] = 0;
1012 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1013
1014 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1015 &req, &ls, 0, 1000);
1016 }
1017
1018 static int
ufoma_modem_setup(device_t dev,struct ufoma_softc * sc,struct usb_attach_arg * uaa)1019 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1020 struct usb_attach_arg *uaa)
1021 {
1022 struct usb_config_descriptor *cd;
1023 struct usb_cdc_acm_descriptor *acm;
1024 struct usb_cdc_cm_descriptor *cmd;
1025 struct usb_interface_descriptor *id;
1026 struct usb_interface *iface;
1027 uint8_t i;
1028 int32_t error;
1029
1030 cd = usbd_get_config_descriptor(uaa->device);
1031 id = usbd_get_interface_descriptor(uaa->iface);
1032
1033 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1034
1035 if ((cmd == NULL) ||
1036 (cmd->bLength < sizeof(*cmd))) {
1037 return (EINVAL);
1038 }
1039 sc->sc_cm_cap = cmd->bmCapabilities;
1040 sc->sc_data_iface_no = cmd->bDataInterface;
1041
1042 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1043
1044 if ((acm == NULL) ||
1045 (acm->bLength < sizeof(*acm))) {
1046 return (EINVAL);
1047 }
1048 sc->sc_acm_cap = acm->bmCapabilities;
1049
1050 device_printf(dev, "data interface %d, has %sCM over data, "
1051 "has %sbreak\n",
1052 sc->sc_data_iface_no,
1053 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1054 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1055
1056 /* get the data interface too */
1057
1058 for (i = 0;; i++) {
1059 iface = usbd_get_iface(uaa->device, i);
1060
1061 if (iface) {
1062 id = usbd_get_interface_descriptor(iface);
1063
1064 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1065 sc->sc_data_iface_index = i;
1066 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1067 break;
1068 }
1069 } else {
1070 device_printf(dev, "no data interface\n");
1071 return (EINVAL);
1072 }
1073 }
1074
1075 error = usbd_transfer_setup(uaa->device,
1076 &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1077 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx);
1078
1079 if (error) {
1080 device_printf(dev, "allocating BULK USB "
1081 "transfers failed\n");
1082 return (EINVAL);
1083 }
1084 return (0);
1085 }
1086
1087 static void
ufoma_start_read(struct ucom_softc * ucom)1088 ufoma_start_read(struct ucom_softc *ucom)
1089 {
1090 struct ufoma_softc *sc = ucom->sc_parent;
1091
1092 /* start interrupt transfer */
1093 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1094
1095 /* start data transfer */
1096 if (sc->sc_nobulk) {
1097 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1098 } else {
1099 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1100 }
1101 }
1102
1103 static void
ufoma_stop_read(struct ucom_softc * ucom)1104 ufoma_stop_read(struct ucom_softc *ucom)
1105 {
1106 struct ufoma_softc *sc = ucom->sc_parent;
1107
1108 /* stop interrupt transfer */
1109 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1110
1111 /* stop data transfer */
1112 if (sc->sc_nobulk) {
1113 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1114 } else {
1115 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1116 }
1117 }
1118
1119 static void
ufoma_start_write(struct ucom_softc * ucom)1120 ufoma_start_write(struct ucom_softc *ucom)
1121 {
1122 struct ufoma_softc *sc = ucom->sc_parent;
1123
1124 if (sc->sc_nobulk) {
1125 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1126 } else {
1127 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1128 }
1129 }
1130
1131 static void
ufoma_stop_write(struct ucom_softc * ucom)1132 ufoma_stop_write(struct ucom_softc *ucom)
1133 {
1134 struct ufoma_softc *sc = ucom->sc_parent;
1135
1136 if (sc->sc_nobulk) {
1137 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1138 } else {
1139 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1140 }
1141 }
1142
1143 static struct umcpc_modetostr_tab{
1144 int mode;
1145 char *str;
1146 }umcpc_modetostr_tab[]={
1147 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1148 {UMCPC_ACM_MODE_MODEM, "modem"},
1149 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1150 {UMCPC_ACM_MODE_OBEX, "obex"},
1151 {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1152 {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1153 {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1154 {0, NULL}
1155 };
1156
ufoma_mode_to_str(int mode)1157 static char *ufoma_mode_to_str(int mode)
1158 {
1159 int i;
1160 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1161 if(umcpc_modetostr_tab[i].mode == mode){
1162 return umcpc_modetostr_tab[i].str;
1163 }
1164 }
1165 return NULL;
1166 }
1167
ufoma_str_to_mode(char * str)1168 static int ufoma_str_to_mode(char *str)
1169 {
1170 int i;
1171 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1172 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1173 return umcpc_modetostr_tab[i].mode;
1174 }
1175 }
1176 return -1;
1177 }
1178
ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)1179 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1180 {
1181 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1182 struct sbuf sb;
1183 int i;
1184 char *mode;
1185
1186 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1187 for(i = 1; i < sc->sc_modetable[0]; i++){
1188 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1189 if(mode !=NULL){
1190 sbuf_cat(&sb, mode);
1191 }else{
1192 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1193 }
1194 if(i < (sc->sc_modetable[0]-1))
1195 sbuf_cat(&sb, ",");
1196 }
1197 sbuf_trim(&sb);
1198 sbuf_finish(&sb);
1199 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1200 sbuf_delete(&sb);
1201
1202 return 0;
1203 }
ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)1204 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1205 {
1206 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1207 char *mode;
1208 char subbuf[]="(XXX)";
1209 mode = ufoma_mode_to_str(sc->sc_currentmode);
1210 if(!mode){
1211 mode = subbuf;
1212 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1213 }
1214 sysctl_handle_string(oidp, mode, strlen(mode), req);
1215
1216 return 0;
1217
1218 }
ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)1219 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1220 {
1221 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1222 char *mode;
1223 char subbuf[40];
1224 int newmode;
1225 int error;
1226 int i;
1227
1228 mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1229 if(mode){
1230 strncpy(subbuf, mode, sizeof(subbuf));
1231 }else{
1232 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1233 }
1234 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1235 if(error != 0 || req->newptr == NULL){
1236 return error;
1237 }
1238
1239 if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1240 return EINVAL;
1241 }
1242
1243 for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1244 if(sc->sc_modetable[i] == newmode){
1245 sc->sc_modetoactivate = newmode;
1246 return 0;
1247 }
1248 }
1249
1250 return EINVAL;
1251 }
1252
1253 static void
ufoma_poll(struct ucom_softc * ucom)1254 ufoma_poll(struct ucom_softc *ucom)
1255 {
1256 struct ufoma_softc *sc = ucom->sc_parent;
1257 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1258 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1259 }
1260