1 /* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
2
3 #include <sys/cdefs.h>
4 #define UFOMA_HANDSFREE
5 /*-
6 * SPDX-License-Identifier: BSD-2-Clause
7 *
8 * Copyright (c) 2005, Takanori Watanabe All rights reserved.
9 * Copyright (c) 2003 M. Warner Losh <imp@FreeBSD.org>
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33 /*-
34 * Copyright (c) 1998 The NetBSD Foundation, Inc.
35 * All rights reserved.
36 *
37 * This code is derived from software contributed to The NetBSD Foundation
38 * by Lennart Augustsson (lennart@augustsson.net) at
39 * Carlstedt Research & Technology.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
51 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
52 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
53 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
54 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
55 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
56 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
57 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
58 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
59 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
60 * POSSIBILITY OF SUCH DAMAGE.
61 */
62
63 /*
64 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
65 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
66 */
67
68 /*
69 * TODO:
70 * - Implement a Call Device for modems without multiplexed commands.
71 */
72
73 /*
74 * NOTE: all function names beginning like "ufoma_cfg_" can only
75 * be called from within the config thread function !
76 */
77
78 #include <sys/stdint.h>
79 #include <sys/stddef.h>
80 #include <sys/param.h>
81 #include <sys/queue.h>
82 #include <sys/types.h>
83 #include <sys/systm.h>
84 #include <sys/kernel.h>
85 #include <sys/bus.h>
86 #include <sys/module.h>
87 #include <sys/lock.h>
88 #include <sys/mutex.h>
89 #include <sys/condvar.h>
90 #include <sys/sysctl.h>
91 #include <sys/sx.h>
92 #include <sys/unistd.h>
93 #include <sys/callout.h>
94 #include <sys/malloc.h>
95 #include <sys/priv.h>
96 #include <sys/sbuf.h>
97
98 #include <dev/usb/usb.h>
99 #include <dev/usb/usbdi.h>
100 #include <dev/usb/usbdi_util.h>
101 #include <dev/usb/usb_cdc.h>
102 #include "usbdevs.h"
103
104 #define USB_DEBUG_VAR usb_debug
105 #include <dev/usb/usb_debug.h>
106 #include <dev/usb/usb_process.h>
107
108 #include <dev/usb/serial/usb_serial.h>
109
110 typedef struct ufoma_mobile_acm_descriptor {
111 uint8_t bFunctionLength;
112 uint8_t bDescriptorType;
113 uint8_t bDescriptorSubtype;
114 uint8_t bType;
115 uint8_t bMode[1];
116 } __packed usb_mcpc_acm_descriptor;
117
118 #define UISUBCLASS_MCPC 0x88
119
120 #define UDESC_VS_INTERFACE 0x44
121 #define UDESCSUB_MCPC_ACM 0x11
122
123 #define UMCPC_ACM_TYPE_AB1 0x1
124 #define UMCPC_ACM_TYPE_AB2 0x2
125 #define UMCPC_ACM_TYPE_AB5 0x5
126 #define UMCPC_ACM_TYPE_AB6 0x6
127
128 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
129 #define UMCPC_ACM_MODE_MODEM 0x1
130 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
131 #define UMCPC_ACM_MODE_OBEX 0x60
132 #define UMCPC_ACM_MODE_VENDOR1 0xc0
133 #define UMCPC_ACM_MODE_VENDOR2 0xfe
134 #define UMCPC_ACM_MODE_UNLINKED 0xff
135
136 #define UMCPC_CM_MOBILE_ACM 0x0
137
138 #define UMCPC_ACTIVATE_MODE 0x60
139 #define UMCPC_GET_MODETABLE 0x61
140 #define UMCPC_SET_LINK 0x62
141 #define UMCPC_CLEAR_LINK 0x63
142
143 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
144
145 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */
146 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */
147
148 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */
149
150 enum {
151 UFOMA_CTRL_ENDPT_INTR,
152 UFOMA_CTRL_ENDPT_READ,
153 UFOMA_CTRL_ENDPT_WRITE,
154 UFOMA_CTRL_ENDPT_MAX,
155 };
156
157 enum {
158 UFOMA_BULK_ENDPT_WRITE,
159 UFOMA_BULK_ENDPT_READ,
160 UFOMA_BULK_ENDPT_MAX,
161 };
162
163 struct ufoma_softc {
164 struct ucom_super_softc sc_super_ucom;
165 struct ucom_softc sc_ucom;
166 struct cv sc_cv;
167 struct mtx sc_mtx;
168
169 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
170 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
171 uint8_t *sc_modetable;
172 device_t sc_dev;
173 struct usb_device *sc_udev;
174
175 uint32_t sc_unit;
176
177 uint16_t sc_line;
178
179 uint8_t sc_num_msg;
180 uint8_t sc_nobulk;
181 uint8_t sc_ctrl_iface_no;
182 uint8_t sc_ctrl_iface_index;
183 uint8_t sc_data_iface_no;
184 uint8_t sc_data_iface_index;
185 uint8_t sc_cm_cap;
186 uint8_t sc_acm_cap;
187 uint8_t sc_lsr;
188 uint8_t sc_msr;
189 uint8_t sc_modetoactivate;
190 uint8_t sc_currentmode;
191 };
192
193 /* prototypes */
194
195 static device_probe_t ufoma_probe;
196 static device_attach_t ufoma_attach;
197 static device_detach_t ufoma_detach;
198 static void ufoma_free_softc(struct ufoma_softc *);
199
200 static usb_callback_t ufoma_ctrl_read_callback;
201 static usb_callback_t ufoma_ctrl_write_callback;
202 static usb_callback_t ufoma_intr_callback;
203 static usb_callback_t ufoma_bulk_write_callback;
204 static usb_callback_t ufoma_bulk_read_callback;
205
206 static void *ufoma_get_intconf(struct usb_config_descriptor *,
207 struct usb_interface_descriptor *, uint8_t, uint8_t);
208 static void ufoma_cfg_link_state(struct ufoma_softc *);
209 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
210 static void ufoma_free(struct ucom_softc *);
211 static void ufoma_cfg_open(struct ucom_softc *);
212 static void ufoma_cfg_close(struct ucom_softc *);
213 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
214 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
215 uint8_t *);
216 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
217 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
218 static int ufoma_pre_param(struct ucom_softc *, struct termios *);
219 static void ufoma_cfg_param(struct ucom_softc *, struct termios *);
220 static int ufoma_modem_setup(device_t, struct ufoma_softc *,
221 struct usb_attach_arg *);
222 static void ufoma_start_read(struct ucom_softc *);
223 static void ufoma_stop_read(struct ucom_softc *);
224 static void ufoma_start_write(struct ucom_softc *);
225 static void ufoma_stop_write(struct ucom_softc *);
226 static void ufoma_poll(struct ucom_softc *ucom);
227
228 /*sysctl stuff*/
229 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
230 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
231 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
232
233 static const struct usb_config
234 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
235 [UFOMA_CTRL_ENDPT_INTR] = {
236 .type = UE_INTERRUPT,
237 .endpoint = UE_ADDR_ANY,
238 .direction = UE_DIR_IN,
239 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
240 .bufsize = sizeof(struct usb_cdc_notification),
241 .callback = &ufoma_intr_callback,
242 },
243
244 [UFOMA_CTRL_ENDPT_READ] = {
245 .type = UE_CONTROL,
246 .endpoint = 0x00, /* Control pipe */
247 .direction = UE_DIR_ANY,
248 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
249 .flags = {.short_xfer_ok = 1,},
250 .callback = &ufoma_ctrl_read_callback,
251 .timeout = 1000, /* 1 second */
252 },
253
254 [UFOMA_CTRL_ENDPT_WRITE] = {
255 .type = UE_CONTROL,
256 .endpoint = 0x00, /* Control pipe */
257 .direction = UE_DIR_ANY,
258 .bufsize = (sizeof(struct usb_device_request) + 1),
259 .callback = &ufoma_ctrl_write_callback,
260 .timeout = 1000, /* 1 second */
261 },
262 };
263
264 static const struct usb_config
265 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
266 [UFOMA_BULK_ENDPT_WRITE] = {
267 .type = UE_BULK,
268 .endpoint = UE_ADDR_ANY,
269 .direction = UE_DIR_OUT,
270 .bufsize = UFOMA_BULK_BUF_SIZE,
271 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
272 .callback = &ufoma_bulk_write_callback,
273 },
274
275 [UFOMA_BULK_ENDPT_READ] = {
276 .type = UE_BULK,
277 .endpoint = UE_ADDR_ANY,
278 .direction = UE_DIR_IN,
279 .bufsize = UFOMA_BULK_BUF_SIZE,
280 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
281 .callback = &ufoma_bulk_read_callback,
282 },
283 };
284
285 static const struct ucom_callback ufoma_callback = {
286 .ucom_cfg_get_status = &ufoma_cfg_get_status,
287 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
288 .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
289 .ucom_cfg_set_break = &ufoma_cfg_set_break,
290 .ucom_cfg_param = &ufoma_cfg_param,
291 .ucom_cfg_open = &ufoma_cfg_open,
292 .ucom_cfg_close = &ufoma_cfg_close,
293 .ucom_pre_param = &ufoma_pre_param,
294 .ucom_start_read = &ufoma_start_read,
295 .ucom_stop_read = &ufoma_stop_read,
296 .ucom_start_write = &ufoma_start_write,
297 .ucom_stop_write = &ufoma_stop_write,
298 .ucom_poll = &ufoma_poll,
299 .ucom_free = &ufoma_free,
300 };
301
302 static device_method_t ufoma_methods[] = {
303 /* Device methods */
304 DEVMETHOD(device_probe, ufoma_probe),
305 DEVMETHOD(device_attach, ufoma_attach),
306 DEVMETHOD(device_detach, ufoma_detach),
307 DEVMETHOD_END
308 };
309
310 static driver_t ufoma_driver = {
311 .name = "ufoma",
312 .methods = ufoma_methods,
313 .size = sizeof(struct ufoma_softc),
314 };
315
316 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
317 {USB_IFACE_CLASS(UICLASS_CDC),
318 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
319 };
320
321 DRIVER_MODULE(ufoma, uhub, ufoma_driver, NULL, NULL);
322 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
323 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
324 MODULE_VERSION(ufoma, 1);
325 USB_PNP_HOST_INFO(ufoma_devs);
326
327 static int
ufoma_probe(device_t dev)328 ufoma_probe(device_t dev)
329 {
330 struct usb_attach_arg *uaa = device_get_ivars(dev);
331 struct usb_interface_descriptor *id;
332 struct usb_config_descriptor *cd;
333 usb_mcpc_acm_descriptor *mad;
334 int error;
335
336 if (uaa->usb_mode != USB_MODE_HOST)
337 return (ENXIO);
338
339 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
340 if (error)
341 return (error);
342
343 id = usbd_get_interface_descriptor(uaa->iface);
344 cd = usbd_get_config_descriptor(uaa->device);
345
346 if (id == NULL || cd == NULL)
347 return (ENXIO);
348
349 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
350 if (mad == NULL)
351 return (ENXIO);
352
353 #ifndef UFOMA_HANDSFREE
354 if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
355 (mad->bType == UMCPC_ACM_TYPE_AB6))
356 return (ENXIO);
357 #endif
358 return (BUS_PROBE_GENERIC);
359 }
360
361 static int
ufoma_attach(device_t dev)362 ufoma_attach(device_t dev)
363 {
364 struct usb_attach_arg *uaa = device_get_ivars(dev);
365 struct ufoma_softc *sc = device_get_softc(dev);
366 struct usb_config_descriptor *cd;
367 struct usb_interface_descriptor *id;
368 struct sysctl_ctx_list *sctx;
369 struct sysctl_oid *soid;
370
371 usb_mcpc_acm_descriptor *mad;
372 uint8_t elements;
373 int32_t error;
374
375 sc->sc_udev = uaa->device;
376 sc->sc_dev = dev;
377 sc->sc_unit = device_get_unit(dev);
378
379 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF);
380 ucom_ref(&sc->sc_super_ucom);
381 cv_init(&sc->sc_cv, "CWAIT");
382
383 device_set_usb_desc(dev);
384
385 DPRINTF("\n");
386
387 /* setup control transfers */
388
389 cd = usbd_get_config_descriptor(uaa->device);
390 id = usbd_get_interface_descriptor(uaa->iface);
391 sc->sc_ctrl_iface_no = id->bInterfaceNumber;
392 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex;
393
394 error = usbd_transfer_setup(uaa->device,
395 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer,
396 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx);
397
398 if (error) {
399 device_printf(dev, "allocating control USB "
400 "transfers failed\n");
401 goto detach;
402 }
403 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
404 if (mad == NULL) {
405 goto detach;
406 }
407 if (mad->bFunctionLength < sizeof(*mad)) {
408 device_printf(dev, "invalid MAD descriptor\n");
409 goto detach;
410 }
411 if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
412 (mad->bType == UMCPC_ACM_TYPE_AB6)) {
413 sc->sc_nobulk = 1;
414 } else {
415 sc->sc_nobulk = 0;
416 if (ufoma_modem_setup(dev, sc, uaa)) {
417 goto detach;
418 }
419 }
420
421 elements = (mad->bFunctionLength - sizeof(*mad) + 1);
422
423 /* initialize mode variables */
424
425 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK);
426
427 if (sc->sc_modetable == NULL) {
428 goto detach;
429 }
430 sc->sc_modetable[0] = (elements + 1);
431 memcpy(&sc->sc_modetable[1], mad->bMode, elements);
432
433 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
434 sc->sc_modetoactivate = mad->bMode[0];
435
436 /* clear stall at first run, if any */
437 mtx_lock(&sc->sc_mtx);
438 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
439 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
440 mtx_unlock(&sc->sc_mtx);
441
442 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
443 &ufoma_callback, &sc->sc_mtx);
444 if (error) {
445 DPRINTF("ucom_attach failed\n");
446 goto detach;
447 }
448 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
449
450 /*Sysctls*/
451 sctx = device_get_sysctl_ctx(dev);
452 soid = device_get_sysctl_tree(dev);
453
454 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode",
455 CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0,
456 ufoma_sysctl_support, "A", "Supporting port role");
457
458 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
459 CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0,
460 ufoma_sysctl_current, "A", "Current port role");
461
462 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
463 CTLFLAG_RW | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0,
464 ufoma_sysctl_open, "A", "Mode to transit when port is opened");
465 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit",
466 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0,
467 "Unit number as USB serial");
468
469 return (0); /* success */
470
471 detach:
472 ufoma_detach(dev);
473 return (ENXIO); /* failure */
474 }
475
476 static int
ufoma_detach(device_t dev)477 ufoma_detach(device_t dev)
478 {
479 struct ufoma_softc *sc = device_get_softc(dev);
480
481 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
482 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
483 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
484
485 if (sc->sc_modetable) {
486 free(sc->sc_modetable, M_USBDEV);
487 }
488 cv_destroy(&sc->sc_cv);
489
490 device_claim_softc(dev);
491
492 ufoma_free_softc(sc);
493
494 return (0);
495 }
496
497 UCOM_UNLOAD_DRAIN(ufoma);
498
499 static void
ufoma_free_softc(struct ufoma_softc * sc)500 ufoma_free_softc(struct ufoma_softc *sc)
501 {
502 if (ucom_unref(&sc->sc_super_ucom)) {
503 mtx_destroy(&sc->sc_mtx);
504 device_free_softc(sc);
505 }
506 }
507
508 static void
ufoma_free(struct ucom_softc * ucom)509 ufoma_free(struct ucom_softc *ucom)
510 {
511 ufoma_free_softc(ucom->sc_parent);
512 }
513
514 static void *
ufoma_get_intconf(struct usb_config_descriptor * cd,struct usb_interface_descriptor * id,uint8_t type,uint8_t subtype)515 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
516 uint8_t type, uint8_t subtype)
517 {
518 struct usb_descriptor *desc = (void *)id;
519
520 while ((desc = usb_desc_foreach(cd, desc))) {
521 if (desc->bDescriptorType == UDESC_INTERFACE) {
522 return (NULL);
523 }
524 if ((desc->bDescriptorType == type) &&
525 (desc->bDescriptorSubtype == subtype)) {
526 break;
527 }
528 }
529 return (desc);
530 }
531
532 static void
ufoma_cfg_link_state(struct ufoma_softc * sc)533 ufoma_cfg_link_state(struct ufoma_softc *sc)
534 {
535 struct usb_device_request req;
536 int32_t error;
537
538 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
539 req.bRequest = UMCPC_SET_LINK;
540 USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
541 USETW(req.wIndex, sc->sc_ctrl_iface_no);
542 USETW(req.wLength, sc->sc_modetable[0]);
543
544 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
545 &req, sc->sc_modetable, 0, 1000);
546
547 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz);
548
549 if (error) {
550 DPRINTF("NO response\n");
551 }
552 }
553
554 static void
ufoma_cfg_activate_state(struct ufoma_softc * sc,uint16_t state)555 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
556 {
557 struct usb_device_request req;
558 int32_t error;
559
560 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
561 req.bRequest = UMCPC_ACTIVATE_MODE;
562 USETW(req.wValue, state);
563 USETW(req.wIndex, sc->sc_ctrl_iface_no);
564 USETW(req.wLength, 0);
565
566 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
567 &req, NULL, 0, 1000);
568
569 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx,
570 (UFOMA_MAX_TIMEOUT * hz));
571 if (error) {
572 DPRINTF("No response\n");
573 }
574 }
575
576 static void
ufoma_ctrl_read_callback(struct usb_xfer * xfer,usb_error_t error)577 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
578 {
579 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
580 struct usb_device_request req;
581 struct usb_page_cache *pc0, *pc1;
582 int len, aframes, nframes;
583
584 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
585
586 switch (USB_GET_STATE(xfer)) {
587 case USB_ST_TRANSFERRED:
588 tr_transferred:
589 if (aframes != nframes)
590 goto tr_setup;
591 pc1 = usbd_xfer_get_frame(xfer, 1);
592 len = usbd_xfer_frame_len(xfer, 1);
593 if (len > 0)
594 ucom_put_data(&sc->sc_ucom, pc1, 0, len);
595 /* FALLTHROUGH */
596 case USB_ST_SETUP:
597 tr_setup:
598 if (sc->sc_num_msg) {
599 sc->sc_num_msg--;
600
601 req.bmRequestType = UT_READ_CLASS_INTERFACE;
602 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
603 USETW(req.wIndex, sc->sc_ctrl_iface_no);
604 USETW(req.wValue, 0);
605 USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
606
607 pc0 = usbd_xfer_get_frame(xfer, 0);
608 usbd_copy_in(pc0, 0, &req, sizeof(req));
609
610 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
611 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
612 usbd_xfer_set_frames(xfer, 2);
613 usbd_transfer_submit(xfer);
614 }
615 return;
616
617 default: /* Error */
618 DPRINTF("error = %s\n",
619 usbd_errstr(error));
620
621 if (error == USB_ERR_CANCELLED) {
622 return;
623 }
624 goto tr_transferred;
625 }
626 }
627
628 static void
ufoma_ctrl_write_callback(struct usb_xfer * xfer,usb_error_t error)629 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
630 {
631 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
632 struct usb_device_request req;
633 struct usb_page_cache *pc;
634 uint32_t actlen;
635
636 switch (USB_GET_STATE(xfer)) {
637 case USB_ST_TRANSFERRED:
638 tr_transferred:
639 case USB_ST_SETUP:
640 pc = usbd_xfer_get_frame(xfer, 1);
641 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
642 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
643 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
644 USETW(req.wIndex, sc->sc_ctrl_iface_no);
645 USETW(req.wValue, 0);
646 USETW(req.wLength, 1);
647
648 pc = usbd_xfer_get_frame(xfer, 0);
649 usbd_copy_in(pc, 0, &req, sizeof(req));
650
651 usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
652 usbd_xfer_set_frame_len(xfer, 1, 1);
653 usbd_xfer_set_frames(xfer, 2);
654
655 usbd_transfer_submit(xfer);
656 }
657 return;
658
659 default: /* Error */
660 DPRINTF("error = %s\n", usbd_errstr(error));
661
662 if (error == USB_ERR_CANCELLED) {
663 return;
664 }
665 goto tr_transferred;
666 }
667 }
668
669 static void
ufoma_intr_callback(struct usb_xfer * xfer,usb_error_t error)670 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
671 {
672 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
673 struct usb_cdc_notification pkt;
674 struct usb_page_cache *pc;
675 uint16_t wLen;
676 uint16_t temp;
677 uint8_t mstatus;
678 int actlen;
679
680 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
681
682 switch (USB_GET_STATE(xfer)) {
683 case USB_ST_TRANSFERRED:
684 if (actlen < 8) {
685 DPRINTF("too short message\n");
686 goto tr_setup;
687 }
688 if (actlen > (int)sizeof(pkt)) {
689 DPRINTF("truncating message\n");
690 actlen = sizeof(pkt);
691 }
692 pc = usbd_xfer_get_frame(xfer, 0);
693 usbd_copy_out(pc, 0, &pkt, actlen);
694
695 actlen -= 8;
696
697 wLen = UGETW(pkt.wLength);
698 if (actlen > wLen) {
699 actlen = wLen;
700 }
701 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
702 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
703 temp = UGETW(pkt.wValue);
704 sc->sc_currentmode = (temp >> 8);
705 if (!(temp & 0xff)) {
706 DPRINTF("Mode change failed!\n");
707 }
708 cv_signal(&sc->sc_cv);
709 }
710 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
711 goto tr_setup;
712 }
713 switch (pkt.bNotification) {
714 case UCDC_N_RESPONSE_AVAILABLE:
715 if (!(sc->sc_nobulk)) {
716 DPRINTF("Wrong serial state!\n");
717 break;
718 }
719 if (sc->sc_num_msg != 0xFF) {
720 sc->sc_num_msg++;
721 }
722 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
723 break;
724
725 case UCDC_N_SERIAL_STATE:
726 if (sc->sc_nobulk) {
727 DPRINTF("Wrong serial state!\n");
728 break;
729 }
730 /*
731 * Set the serial state in ucom driver based on
732 * the bits from the notify message
733 */
734 if (actlen < 2) {
735 DPRINTF("invalid notification "
736 "length, %d bytes!\n", actlen);
737 break;
738 }
739 DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
740 pkt.data[0], pkt.data[1]);
741
742 /* currently, lsr is always zero. */
743 sc->sc_lsr = 0;
744 sc->sc_msr = 0;
745
746 mstatus = pkt.data[0];
747
748 if (mstatus & UCDC_N_SERIAL_RI) {
749 sc->sc_msr |= SER_RI;
750 }
751 if (mstatus & UCDC_N_SERIAL_DSR) {
752 sc->sc_msr |= SER_DSR;
753 }
754 if (mstatus & UCDC_N_SERIAL_DCD) {
755 sc->sc_msr |= SER_DCD;
756 }
757 ucom_status_change(&sc->sc_ucom);
758 break;
759
760 default:
761 break;
762 }
763
764 case USB_ST_SETUP:
765 tr_setup:
766 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
767 usbd_transfer_submit(xfer);
768 return;
769
770 default: /* Error */
771 if (error != USB_ERR_CANCELLED) {
772 /* try to clear stall first */
773 usbd_xfer_set_stall(xfer);
774 goto tr_setup;
775 }
776 return;
777 }
778 }
779
780 static void
ufoma_bulk_write_callback(struct usb_xfer * xfer,usb_error_t error)781 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
782 {
783 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
784 struct usb_page_cache *pc;
785 uint32_t actlen;
786
787 switch (USB_GET_STATE(xfer)) {
788 case USB_ST_SETUP:
789 case USB_ST_TRANSFERRED:
790 tr_setup:
791 pc = usbd_xfer_get_frame(xfer, 0);
792 if (ucom_get_data(&sc->sc_ucom, pc, 0,
793 UFOMA_BULK_BUF_SIZE, &actlen)) {
794 usbd_xfer_set_frame_len(xfer, 0, actlen);
795 usbd_transfer_submit(xfer);
796 }
797 return;
798
799 default: /* Error */
800 if (error != USB_ERR_CANCELLED) {
801 /* try to clear stall first */
802 usbd_xfer_set_stall(xfer);
803 goto tr_setup;
804 }
805 return;
806 }
807 }
808
809 static void
ufoma_bulk_read_callback(struct usb_xfer * xfer,usb_error_t error)810 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
811 {
812 struct ufoma_softc *sc = usbd_xfer_softc(xfer);
813 struct usb_page_cache *pc;
814 int actlen;
815
816 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
817
818 switch (USB_GET_STATE(xfer)) {
819 case USB_ST_TRANSFERRED:
820 pc = usbd_xfer_get_frame(xfer, 0);
821 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
822
823 case USB_ST_SETUP:
824 tr_setup:
825 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
826 usbd_transfer_submit(xfer);
827 return;
828
829 default: /* Error */
830 if (error != USB_ERR_CANCELLED) {
831 /* try to clear stall first */
832 usbd_xfer_set_stall(xfer);
833 goto tr_setup;
834 }
835 return;
836 }
837 }
838
839 static void
ufoma_cfg_open(struct ucom_softc * ucom)840 ufoma_cfg_open(struct ucom_softc *ucom)
841 {
842 struct ufoma_softc *sc = ucom->sc_parent;
843
844 /* empty input queue */
845
846 if (sc->sc_num_msg != 0xFF) {
847 sc->sc_num_msg++;
848 }
849 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
850 ufoma_cfg_link_state(sc);
851 }
852 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
853 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
854 }
855 }
856
857 static void
ufoma_cfg_close(struct ucom_softc * ucom)858 ufoma_cfg_close(struct ucom_softc *ucom)
859 {
860 struct ufoma_softc *sc = ucom->sc_parent;
861
862 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
863 }
864
865 static void
ufoma_cfg_set_break(struct ucom_softc * ucom,uint8_t onoff)866 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
867 {
868 struct ufoma_softc *sc = ucom->sc_parent;
869 struct usb_device_request req;
870 uint16_t wValue;
871
872 if (sc->sc_nobulk ||
873 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
874 return;
875 }
876 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
877 return;
878 }
879 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
880
881 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
882 req.bRequest = UCDC_SEND_BREAK;
883 USETW(req.wValue, wValue);
884 req.wIndex[0] = sc->sc_ctrl_iface_no;
885 req.wIndex[1] = 0;
886 USETW(req.wLength, 0);
887
888 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
889 &req, NULL, 0, 1000);
890 }
891
892 static void
ufoma_cfg_get_status(struct ucom_softc * ucom,uint8_t * lsr,uint8_t * msr)893 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
894 {
895 struct ufoma_softc *sc = ucom->sc_parent;
896
897 /* XXX Note: sc_lsr is always zero */
898 *lsr = sc->sc_lsr;
899 *msr = sc->sc_msr;
900 }
901
902 static void
ufoma_cfg_set_line_state(struct ufoma_softc * sc)903 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
904 {
905 struct usb_device_request req;
906
907 /* Don't send line state emulation request for OBEX port */
908 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
909 return;
910 }
911 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
912 req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
913 USETW(req.wValue, sc->sc_line);
914 req.wIndex[0] = sc->sc_ctrl_iface_no;
915 req.wIndex[1] = 0;
916 USETW(req.wLength, 0);
917
918 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
919 &req, NULL, 0, 1000);
920 }
921
922 static void
ufoma_cfg_set_dtr(struct ucom_softc * ucom,uint8_t onoff)923 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
924 {
925 struct ufoma_softc *sc = ucom->sc_parent;
926
927 if (sc->sc_nobulk) {
928 return;
929 }
930 if (onoff)
931 sc->sc_line |= UCDC_LINE_DTR;
932 else
933 sc->sc_line &= ~UCDC_LINE_DTR;
934
935 ufoma_cfg_set_line_state(sc);
936 }
937
938 static void
ufoma_cfg_set_rts(struct ucom_softc * ucom,uint8_t onoff)939 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
940 {
941 struct ufoma_softc *sc = ucom->sc_parent;
942
943 if (sc->sc_nobulk) {
944 return;
945 }
946 if (onoff)
947 sc->sc_line |= UCDC_LINE_RTS;
948 else
949 sc->sc_line &= ~UCDC_LINE_RTS;
950
951 ufoma_cfg_set_line_state(sc);
952 }
953
954 static int
ufoma_pre_param(struct ucom_softc * ucom,struct termios * t)955 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
956 {
957 return (0); /* we accept anything */
958 }
959
960 static void
ufoma_cfg_param(struct ucom_softc * ucom,struct termios * t)961 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
962 {
963 struct ufoma_softc *sc = ucom->sc_parent;
964 struct usb_device_request req;
965 struct usb_cdc_line_state ls;
966
967 if (sc->sc_nobulk ||
968 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
969 return;
970 }
971 DPRINTF("\n");
972
973 memset(&ls, 0, sizeof(ls));
974
975 USETDW(ls.dwDTERate, t->c_ospeed);
976
977 if (t->c_cflag & CSTOPB) {
978 ls.bCharFormat = UCDC_STOP_BIT_2;
979 } else {
980 ls.bCharFormat = UCDC_STOP_BIT_1;
981 }
982
983 if (t->c_cflag & PARENB) {
984 if (t->c_cflag & PARODD) {
985 ls.bParityType = UCDC_PARITY_ODD;
986 } else {
987 ls.bParityType = UCDC_PARITY_EVEN;
988 }
989 } else {
990 ls.bParityType = UCDC_PARITY_NONE;
991 }
992
993 switch (t->c_cflag & CSIZE) {
994 case CS5:
995 ls.bDataBits = 5;
996 break;
997 case CS6:
998 ls.bDataBits = 6;
999 break;
1000 case CS7:
1001 ls.bDataBits = 7;
1002 break;
1003 case CS8:
1004 ls.bDataBits = 8;
1005 break;
1006 }
1007
1008 req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
1009 req.bRequest = UCDC_SET_LINE_CODING;
1010 USETW(req.wValue, 0);
1011 req.wIndex[0] = sc->sc_ctrl_iface_no;
1012 req.wIndex[1] = 0;
1013 USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1014
1015 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1016 &req, &ls, 0, 1000);
1017 }
1018
1019 static int
ufoma_modem_setup(device_t dev,struct ufoma_softc * sc,struct usb_attach_arg * uaa)1020 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1021 struct usb_attach_arg *uaa)
1022 {
1023 struct usb_config_descriptor *cd;
1024 struct usb_cdc_acm_descriptor *acm;
1025 struct usb_cdc_cm_descriptor *cmd;
1026 struct usb_interface_descriptor *id;
1027 struct usb_interface *iface;
1028 uint8_t i;
1029 int32_t error;
1030
1031 cd = usbd_get_config_descriptor(uaa->device);
1032 id = usbd_get_interface_descriptor(uaa->iface);
1033
1034 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1035
1036 if ((cmd == NULL) ||
1037 (cmd->bLength < sizeof(*cmd))) {
1038 return (EINVAL);
1039 }
1040 sc->sc_cm_cap = cmd->bmCapabilities;
1041 sc->sc_data_iface_no = cmd->bDataInterface;
1042
1043 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1044
1045 if ((acm == NULL) ||
1046 (acm->bLength < sizeof(*acm))) {
1047 return (EINVAL);
1048 }
1049 sc->sc_acm_cap = acm->bmCapabilities;
1050
1051 device_printf(dev, "data interface %d, has %sCM over data, "
1052 "has %sbreak\n",
1053 sc->sc_data_iface_no,
1054 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1055 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1056
1057 /* get the data interface too */
1058
1059 for (i = 0;; i++) {
1060 iface = usbd_get_iface(uaa->device, i);
1061
1062 if (iface) {
1063 id = usbd_get_interface_descriptor(iface);
1064
1065 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1066 sc->sc_data_iface_index = i;
1067 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1068 break;
1069 }
1070 } else {
1071 device_printf(dev, "no data interface\n");
1072 return (EINVAL);
1073 }
1074 }
1075
1076 error = usbd_transfer_setup(uaa->device,
1077 &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1078 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx);
1079
1080 if (error) {
1081 device_printf(dev, "allocating BULK USB "
1082 "transfers failed\n");
1083 return (EINVAL);
1084 }
1085 return (0);
1086 }
1087
1088 static void
ufoma_start_read(struct ucom_softc * ucom)1089 ufoma_start_read(struct ucom_softc *ucom)
1090 {
1091 struct ufoma_softc *sc = ucom->sc_parent;
1092
1093 /* start interrupt transfer */
1094 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1095
1096 /* start data transfer */
1097 if (sc->sc_nobulk) {
1098 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1099 } else {
1100 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1101 }
1102 }
1103
1104 static void
ufoma_stop_read(struct ucom_softc * ucom)1105 ufoma_stop_read(struct ucom_softc *ucom)
1106 {
1107 struct ufoma_softc *sc = ucom->sc_parent;
1108
1109 /* stop interrupt transfer */
1110 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1111
1112 /* stop data transfer */
1113 if (sc->sc_nobulk) {
1114 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1115 } else {
1116 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1117 }
1118 }
1119
1120 static void
ufoma_start_write(struct ucom_softc * ucom)1121 ufoma_start_write(struct ucom_softc *ucom)
1122 {
1123 struct ufoma_softc *sc = ucom->sc_parent;
1124
1125 if (sc->sc_nobulk) {
1126 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1127 } else {
1128 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1129 }
1130 }
1131
1132 static void
ufoma_stop_write(struct ucom_softc * ucom)1133 ufoma_stop_write(struct ucom_softc *ucom)
1134 {
1135 struct ufoma_softc *sc = ucom->sc_parent;
1136
1137 if (sc->sc_nobulk) {
1138 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1139 } else {
1140 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1141 }
1142 }
1143
1144 static struct umcpc_modetostr_tab{
1145 int mode;
1146 char *str;
1147 }umcpc_modetostr_tab[]={
1148 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1149 {UMCPC_ACM_MODE_MODEM, "modem"},
1150 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1151 {UMCPC_ACM_MODE_OBEX, "obex"},
1152 {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1153 {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1154 {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1155 {0, NULL}
1156 };
1157
ufoma_mode_to_str(int mode)1158 static char *ufoma_mode_to_str(int mode)
1159 {
1160 int i;
1161 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1162 if(umcpc_modetostr_tab[i].mode == mode){
1163 return umcpc_modetostr_tab[i].str;
1164 }
1165 }
1166 return NULL;
1167 }
1168
ufoma_str_to_mode(char * str)1169 static int ufoma_str_to_mode(char *str)
1170 {
1171 int i;
1172 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1173 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1174 return umcpc_modetostr_tab[i].mode;
1175 }
1176 }
1177 return -1;
1178 }
1179
ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)1180 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1181 {
1182 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1183 struct sbuf sb;
1184 int i;
1185 char *mode;
1186
1187 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1188 for(i = 1; i < sc->sc_modetable[0]; i++){
1189 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1190 if(mode !=NULL){
1191 sbuf_cat(&sb, mode);
1192 }else{
1193 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1194 }
1195 if(i < (sc->sc_modetable[0]-1))
1196 sbuf_cat(&sb, ",");
1197 }
1198 sbuf_trim(&sb);
1199 sbuf_finish(&sb);
1200 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1201 sbuf_delete(&sb);
1202
1203 return 0;
1204 }
ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)1205 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1206 {
1207 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1208 char *mode;
1209 char subbuf[]="(XXX)";
1210 mode = ufoma_mode_to_str(sc->sc_currentmode);
1211 if(!mode){
1212 mode = subbuf;
1213 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1214 }
1215 sysctl_handle_string(oidp, mode, strlen(mode), req);
1216
1217 return 0;
1218
1219 }
ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)1220 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1221 {
1222 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1223 char *mode;
1224 char subbuf[40];
1225 int newmode;
1226 int error;
1227 int i;
1228
1229 mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1230 if(mode){
1231 strncpy(subbuf, mode, sizeof(subbuf));
1232 }else{
1233 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1234 }
1235 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1236 if(error != 0 || req->newptr == NULL){
1237 return error;
1238 }
1239
1240 if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1241 return EINVAL;
1242 }
1243
1244 for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1245 if(sc->sc_modetable[i] == newmode){
1246 sc->sc_modetoactivate = newmode;
1247 return 0;
1248 }
1249 }
1250
1251 return EINVAL;
1252 }
1253
1254 static void
ufoma_poll(struct ucom_softc * ucom)1255 ufoma_poll(struct ucom_softc *ucom)
1256 {
1257 struct ufoma_softc *sc = ucom->sc_parent;
1258 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1259 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1260 }
1261