ufoma.c revision 223515
1/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */ 2 3#include <sys/cdefs.h> 4__FBSDID("$FreeBSD: head/sys/dev/usb/serial/ufoma.c 223515 2011-06-24 19:32:29Z hselasky $"); 5#define UFOMA_HANDSFREE 6/*- 7 * Copyright (c) 2005, Takanori Watanabe 8 * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>. 9 * All rights reserved. 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 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the NetBSD 52 * Foundation, Inc. and its contributors. 53 * 4. Neither the name of The NetBSD Foundation nor the names of its 54 * contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 * POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70/* 71 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 72 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 73 */ 74 75/* 76 * TODO: 77 * - Implement a Call Device for modems without multiplexed commands. 78 */ 79 80/* 81 * NOTE: all function names beginning like "ufoma_cfg_" can only 82 * be called from within the config thread function ! 83 */ 84 85#include <sys/stdint.h> 86#include <sys/stddef.h> 87#include <sys/param.h> 88#include <sys/queue.h> 89#include <sys/types.h> 90#include <sys/systm.h> 91#include <sys/kernel.h> 92#include <sys/bus.h> 93#include <sys/module.h> 94#include <sys/lock.h> 95#include <sys/mutex.h> 96#include <sys/condvar.h> 97#include <sys/sysctl.h> 98#include <sys/sx.h> 99#include <sys/unistd.h> 100#include <sys/callout.h> 101#include <sys/malloc.h> 102#include <sys/priv.h> 103#include <sys/sbuf.h> 104 105#include <dev/usb/usb.h> 106#include <dev/usb/usbdi.h> 107#include <dev/usb/usbdi_util.h> 108#include <dev/usb/usb_cdc.h> 109#include "usbdevs.h" 110 111#define USB_DEBUG_VAR usb_debug 112#include <dev/usb/usb_debug.h> 113#include <dev/usb/usb_process.h> 114 115#include <dev/usb/serial/usb_serial.h> 116 117typedef struct ufoma_mobile_acm_descriptor { 118 uint8_t bFunctionLength; 119 uint8_t bDescriptorType; 120 uint8_t bDescriptorSubtype; 121 uint8_t bType; 122 uint8_t bMode[1]; 123} __packed usb_mcpc_acm_descriptor; 124 125#define UISUBCLASS_MCPC 0x88 126 127#define UDESC_VS_INTERFACE 0x44 128#define UDESCSUB_MCPC_ACM 0x11 129 130#define UMCPC_ACM_TYPE_AB1 0x1 131#define UMCPC_ACM_TYPE_AB2 0x2 132#define UMCPC_ACM_TYPE_AB5 0x5 133#define UMCPC_ACM_TYPE_AB6 0x6 134 135#define UMCPC_ACM_MODE_DEACTIVATED 0x0 136#define UMCPC_ACM_MODE_MODEM 0x1 137#define UMCPC_ACM_MODE_ATCOMMAND 0x2 138#define UMCPC_ACM_MODE_OBEX 0x60 139#define UMCPC_ACM_MODE_VENDOR1 0xc0 140#define UMCPC_ACM_MODE_VENDOR2 0xfe 141#define UMCPC_ACM_MODE_UNLINKED 0xff 142 143#define UMCPC_CM_MOBILE_ACM 0x0 144 145#define UMCPC_ACTIVATE_MODE 0x60 146#define UMCPC_GET_MODETABLE 0x61 147#define UMCPC_SET_LINK 0x62 148#define UMCPC_CLEAR_LINK 0x63 149 150#define UMCPC_REQUEST_ACKNOWLEDGE 0x31 151 152#define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */ 153#define UFOMA_CMD_BUF_SIZE 64 /* bytes */ 154 155#define UFOMA_BULK_BUF_SIZE 1024 /* bytes */ 156 157enum { 158 UFOMA_CTRL_ENDPT_INTR, 159 UFOMA_CTRL_ENDPT_READ, 160 UFOMA_CTRL_ENDPT_WRITE, 161 UFOMA_CTRL_ENDPT_MAX, 162}; 163 164enum { 165 UFOMA_BULK_ENDPT_WRITE, 166 UFOMA_BULK_ENDPT_READ, 167 UFOMA_BULK_ENDPT_MAX, 168}; 169 170struct ufoma_softc { 171 struct ucom_super_softc sc_super_ucom; 172 struct ucom_softc sc_ucom; 173 struct cv sc_cv; 174 struct mtx sc_mtx; 175 176 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX]; 177 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX]; 178 uint8_t *sc_modetable; 179 device_t sc_dev; 180 struct usb_device *sc_udev; 181 182 uint32_t sc_unit; 183 184 uint16_t sc_line; 185 186 uint8_t sc_num_msg; 187 uint8_t sc_nobulk; 188 uint8_t sc_ctrl_iface_no; 189 uint8_t sc_ctrl_iface_index; 190 uint8_t sc_data_iface_no; 191 uint8_t sc_data_iface_index; 192 uint8_t sc_cm_cap; 193 uint8_t sc_acm_cap; 194 uint8_t sc_lsr; 195 uint8_t sc_msr; 196 uint8_t sc_modetoactivate; 197 uint8_t sc_currentmode; 198 uint8_t sc_name[16]; 199}; 200 201/* prototypes */ 202 203static device_probe_t ufoma_probe; 204static device_attach_t ufoma_attach; 205static device_detach_t ufoma_detach; 206 207static usb_callback_t ufoma_ctrl_read_callback; 208static usb_callback_t ufoma_ctrl_write_callback; 209static usb_callback_t ufoma_intr_callback; 210static usb_callback_t ufoma_bulk_write_callback; 211static usb_callback_t ufoma_bulk_read_callback; 212 213static void *ufoma_get_intconf(struct usb_config_descriptor *, 214 struct usb_interface_descriptor *, uint8_t, uint8_t); 215static void ufoma_cfg_link_state(struct ufoma_softc *); 216static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); 217static void ufoma_cfg_open(struct ucom_softc *); 218static void ufoma_cfg_close(struct ucom_softc *); 219static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); 220static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, 221 uint8_t *); 222static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); 223static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); 224static int ufoma_pre_param(struct ucom_softc *, struct termios *); 225static void ufoma_cfg_param(struct ucom_softc *, struct termios *); 226static int ufoma_modem_setup(device_t, struct ufoma_softc *, 227 struct usb_attach_arg *); 228static void ufoma_start_read(struct ucom_softc *); 229static void ufoma_stop_read(struct ucom_softc *); 230static void ufoma_start_write(struct ucom_softc *); 231static void ufoma_stop_write(struct ucom_softc *); 232static void ufoma_poll(struct ucom_softc *ucom); 233 234/*sysctl stuff*/ 235static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 236static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 237static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 238 239static const struct usb_config 240 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = { 241 242 [UFOMA_CTRL_ENDPT_INTR] = { 243 .type = UE_INTERRUPT, 244 .endpoint = UE_ADDR_ANY, 245 .direction = UE_DIR_IN, 246 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 247 .bufsize = sizeof(struct usb_cdc_notification), 248 .callback = &ufoma_intr_callback, 249 }, 250 251 [UFOMA_CTRL_ENDPT_READ] = { 252 .type = UE_CONTROL, 253 .endpoint = 0x00, /* Control pipe */ 254 .direction = UE_DIR_ANY, 255 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), 256 .flags = {.short_xfer_ok = 1,}, 257 .callback = &ufoma_ctrl_read_callback, 258 .timeout = 1000, /* 1 second */ 259 }, 260 261 [UFOMA_CTRL_ENDPT_WRITE] = { 262 .type = UE_CONTROL, 263 .endpoint = 0x00, /* Control pipe */ 264 .direction = UE_DIR_ANY, 265 .bufsize = (sizeof(struct usb_device_request) + 1), 266 .callback = &ufoma_ctrl_write_callback, 267 .timeout = 1000, /* 1 second */ 268 }, 269}; 270 271static const struct usb_config 272 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { 273 274 [UFOMA_BULK_ENDPT_WRITE] = { 275 .type = UE_BULK, 276 .endpoint = UE_ADDR_ANY, 277 .direction = UE_DIR_OUT, 278 .bufsize = UFOMA_BULK_BUF_SIZE, 279 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 280 .callback = &ufoma_bulk_write_callback, 281 }, 282 283 [UFOMA_BULK_ENDPT_READ] = { 284 .type = UE_BULK, 285 .endpoint = UE_ADDR_ANY, 286 .direction = UE_DIR_IN, 287 .bufsize = UFOMA_BULK_BUF_SIZE, 288 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 289 .callback = &ufoma_bulk_read_callback, 290 }, 291}; 292 293static const struct ucom_callback ufoma_callback = { 294 .ucom_cfg_get_status = &ufoma_cfg_get_status, 295 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, 296 .ucom_cfg_set_rts = &ufoma_cfg_set_rts, 297 .ucom_cfg_set_break = &ufoma_cfg_set_break, 298 .ucom_cfg_param = &ufoma_cfg_param, 299 .ucom_cfg_open = &ufoma_cfg_open, 300 .ucom_cfg_close = &ufoma_cfg_close, 301 .ucom_pre_param = &ufoma_pre_param, 302 .ucom_start_read = &ufoma_start_read, 303 .ucom_stop_read = &ufoma_stop_read, 304 .ucom_start_write = &ufoma_start_write, 305 .ucom_stop_write = &ufoma_stop_write, 306 .ucom_poll = &ufoma_poll, 307}; 308 309static device_method_t ufoma_methods[] = { 310 /* Device methods */ 311 DEVMETHOD(device_probe, ufoma_probe), 312 DEVMETHOD(device_attach, ufoma_attach), 313 DEVMETHOD(device_detach, ufoma_detach), 314 {0, 0} 315}; 316 317static devclass_t ufoma_devclass; 318 319static driver_t ufoma_driver = { 320 .name = "ufoma", 321 .methods = ufoma_methods, 322 .size = sizeof(struct ufoma_softc), 323}; 324 325DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0); 326MODULE_DEPEND(ufoma, ucom, 1, 1, 1); 327MODULE_DEPEND(ufoma, usb, 1, 1, 1); 328MODULE_VERSION(ufoma, 1); 329 330static const STRUCT_USB_HOST_ID ufoma_devs[] = { 331 {USB_IFACE_CLASS(UICLASS_CDC), 332 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, 333}; 334 335static int 336ufoma_probe(device_t dev) 337{ 338 struct usb_attach_arg *uaa = device_get_ivars(dev); 339 struct usb_interface_descriptor *id; 340 struct usb_config_descriptor *cd; 341 usb_mcpc_acm_descriptor *mad; 342 int error; 343 344 if (uaa->usb_mode != USB_MODE_HOST) 345 return (ENXIO); 346 347 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); 348 if (error) 349 return (error); 350 351 id = usbd_get_interface_descriptor(uaa->iface); 352 cd = usbd_get_config_descriptor(uaa->device); 353 354 if (id == NULL || cd == NULL) 355 return (ENXIO); 356 357 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 358 if (mad == NULL) 359 return (ENXIO); 360 361#ifndef UFOMA_HANDSFREE 362 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 363 (mad->bType == UMCPC_ACM_TYPE_AB6)) 364 return (ENXIO); 365#endif 366 return (BUS_PROBE_GENERIC); 367} 368 369static int 370ufoma_attach(device_t dev) 371{ 372 struct usb_attach_arg *uaa = device_get_ivars(dev); 373 struct ufoma_softc *sc = device_get_softc(dev); 374 struct usb_config_descriptor *cd; 375 struct usb_interface_descriptor *id; 376 struct sysctl_ctx_list *sctx; 377 struct sysctl_oid *soid; 378 379 usb_mcpc_acm_descriptor *mad; 380 uint8_t elements; 381 int32_t error; 382 383 sc->sc_udev = uaa->device; 384 sc->sc_dev = dev; 385 sc->sc_unit = device_get_unit(dev); 386 387 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 388 cv_init(&sc->sc_cv, "CWAIT"); 389 390 device_set_usb_desc(dev); 391 392 snprintf(sc->sc_name, sizeof(sc->sc_name), 393 "%s", device_get_nameunit(dev)); 394 395 DPRINTF("\n"); 396 397 /* setup control transfers */ 398 399 cd = usbd_get_config_descriptor(uaa->device); 400 id = usbd_get_interface_descriptor(uaa->iface); 401 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 402 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; 403 404 error = usbd_transfer_setup(uaa->device, 405 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, 406 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); 407 408 if (error) { 409 device_printf(dev, "allocating control USB " 410 "transfers failed\n"); 411 goto detach; 412 } 413 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 414 if (mad == NULL) { 415 goto detach; 416 } 417 if (mad->bFunctionLength < sizeof(*mad)) { 418 device_printf(dev, "invalid MAD descriptor\n"); 419 goto detach; 420 } 421 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 422 (mad->bType == UMCPC_ACM_TYPE_AB6)) { 423 sc->sc_nobulk = 1; 424 } else { 425 sc->sc_nobulk = 0; 426 if (ufoma_modem_setup(dev, sc, uaa)) { 427 goto detach; 428 } 429 } 430 431 elements = (mad->bFunctionLength - sizeof(*mad) + 1); 432 433 /* initialize mode variables */ 434 435 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 436 437 if (sc->sc_modetable == NULL) { 438 goto detach; 439 } 440 sc->sc_modetable[0] = (elements + 1); 441 bcopy(mad->bMode, &sc->sc_modetable[1], elements); 442 443 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 444 sc->sc_modetoactivate = mad->bMode[0]; 445 446 /* clear stall at first run, if any */ 447 mtx_lock(&sc->sc_mtx); 448 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 449 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 450 mtx_unlock(&sc->sc_mtx); 451 452 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 453 &ufoma_callback, &sc->sc_mtx); 454 if (error) { 455 DPRINTF("ucom_attach failed\n"); 456 goto detach; 457 } 458 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 459 460 /*Sysctls*/ 461 sctx = device_get_sysctl_ctx(dev); 462 soid = device_get_sysctl_tree(dev); 463 464 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 465 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 466 "A", "Supporting port role"); 467 468 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 469 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 470 "A", "Current port role"); 471 472 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 473 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 474 "A", "Mode to transit when port is opened"); 475 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 476 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 477 "Unit number as USB serial"); 478 479 return (0); /* success */ 480 481detach: 482 ufoma_detach(dev); 483 return (ENXIO); /* failure */ 484} 485 486static int 487ufoma_detach(device_t dev) 488{ 489 struct ufoma_softc *sc = device_get_softc(dev); 490 491 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 492 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 493 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 494 495 if (sc->sc_modetable) { 496 free(sc->sc_modetable, M_USBDEV); 497 } 498 mtx_destroy(&sc->sc_mtx); 499 cv_destroy(&sc->sc_cv); 500 501 return (0); 502} 503 504static void * 505ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 506 uint8_t type, uint8_t subtype) 507{ 508 struct usb_descriptor *desc = (void *)id; 509 510 while ((desc = usb_desc_foreach(cd, desc))) { 511 512 if (desc->bDescriptorType == UDESC_INTERFACE) { 513 return (NULL); 514 } 515 if ((desc->bDescriptorType == type) && 516 (desc->bDescriptorSubtype == subtype)) { 517 break; 518 } 519 } 520 return (desc); 521} 522 523static void 524ufoma_cfg_link_state(struct ufoma_softc *sc) 525{ 526 struct usb_device_request req; 527 int32_t error; 528 529 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 530 req.bRequest = UMCPC_SET_LINK; 531 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 532 USETW(req.wIndex, sc->sc_ctrl_iface_no); 533 USETW(req.wLength, sc->sc_modetable[0]); 534 535 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 536 &req, sc->sc_modetable, 0, 1000); 537 538 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 539 540 if (error) { 541 DPRINTF("NO response\n"); 542 } 543} 544 545static void 546ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 547{ 548 struct usb_device_request req; 549 int32_t error; 550 551 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 552 req.bRequest = UMCPC_ACTIVATE_MODE; 553 USETW(req.wValue, state); 554 USETW(req.wIndex, sc->sc_ctrl_iface_no); 555 USETW(req.wLength, 0); 556 557 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 558 &req, NULL, 0, 1000); 559 560 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 561 (UFOMA_MAX_TIMEOUT * hz)); 562 if (error) { 563 DPRINTF("No response\n"); 564 } 565} 566 567static void 568ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 569{ 570 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 571 struct usb_device_request req; 572 struct usb_page_cache *pc0, *pc1; 573 int len, aframes, nframes; 574 575 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 576 577 switch (USB_GET_STATE(xfer)) { 578 case USB_ST_TRANSFERRED: 579tr_transferred: 580 if (aframes != nframes) 581 goto tr_setup; 582 pc1 = usbd_xfer_get_frame(xfer, 1); 583 len = usbd_xfer_frame_len(xfer, 1); 584 if (len > 0) 585 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 586 /* FALLTHROUGH */ 587 case USB_ST_SETUP: 588tr_setup: 589 if (sc->sc_num_msg) { 590 sc->sc_num_msg--; 591 592 req.bmRequestType = UT_READ_CLASS_INTERFACE; 593 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 594 USETW(req.wIndex, sc->sc_ctrl_iface_no); 595 USETW(req.wValue, 0); 596 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 597 598 pc0 = usbd_xfer_get_frame(xfer, 0); 599 usbd_copy_in(pc0, 0, &req, sizeof(req)); 600 601 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 602 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 603 usbd_xfer_set_frames(xfer, 2); 604 usbd_transfer_submit(xfer); 605 } 606 return; 607 608 default: /* Error */ 609 DPRINTF("error = %s\n", 610 usbd_errstr(error)); 611 612 if (error == USB_ERR_CANCELLED) { 613 return; 614 } else { 615 goto tr_setup; 616 } 617 618 goto tr_transferred; 619 } 620} 621 622static void 623ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 624{ 625 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 626 struct usb_device_request req; 627 struct usb_page_cache *pc; 628 uint32_t actlen; 629 630 switch (USB_GET_STATE(xfer)) { 631 case USB_ST_TRANSFERRED: 632tr_transferred: 633 case USB_ST_SETUP: 634tr_setup: 635 pc = usbd_xfer_get_frame(xfer, 1); 636 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 637 638 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 639 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 640 USETW(req.wIndex, sc->sc_ctrl_iface_no); 641 USETW(req.wValue, 0); 642 USETW(req.wLength, 1); 643 644 pc = usbd_xfer_get_frame(xfer, 0); 645 usbd_copy_in(pc, 0, &req, sizeof(req)); 646 647 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 648 usbd_xfer_set_frame_len(xfer, 1, 1); 649 usbd_xfer_set_frames(xfer, 2); 650 651 usbd_transfer_submit(xfer); 652 } 653 return; 654 655 default: /* Error */ 656 DPRINTF("error = %s\n", usbd_errstr(error)); 657 658 if (error == USB_ERR_CANCELLED) { 659 return; 660 } else { 661 goto tr_setup; 662 } 663 664 goto tr_transferred; 665 } 666} 667 668static void 669ufoma_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 > 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: 764tr_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 779static void 780ufoma_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: 789tr_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 808static void 809ufoma_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: 823tr_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 838static void 839ufoma_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 856static void 857ufoma_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 864static void 865ufoma_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 891static void 892ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 893{ 894 struct ufoma_softc *sc = ucom->sc_parent; 895 896 *lsr = sc->sc_lsr; 897 *msr = sc->sc_msr; 898} 899 900static void 901ufoma_cfg_set_line_state(struct ufoma_softc *sc) 902{ 903 struct usb_device_request req; 904 905 /* Don't send line state emulation request for OBEX port */ 906 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 907 return; 908 } 909 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 910 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 911 USETW(req.wValue, sc->sc_line); 912 req.wIndex[0] = sc->sc_ctrl_iface_no; 913 req.wIndex[1] = 0; 914 USETW(req.wLength, 0); 915 916 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 917 &req, NULL, 0, 1000); 918} 919 920static void 921ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 922{ 923 struct ufoma_softc *sc = ucom->sc_parent; 924 925 if (sc->sc_nobulk) { 926 return; 927 } 928 if (onoff) 929 sc->sc_line |= UCDC_LINE_DTR; 930 else 931 sc->sc_line &= ~UCDC_LINE_DTR; 932 933 ufoma_cfg_set_line_state(sc); 934} 935 936static void 937ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 938{ 939 struct ufoma_softc *sc = ucom->sc_parent; 940 941 if (sc->sc_nobulk) { 942 return; 943 } 944 if (onoff) 945 sc->sc_line |= UCDC_LINE_RTS; 946 else 947 sc->sc_line &= ~UCDC_LINE_RTS; 948 949 ufoma_cfg_set_line_state(sc); 950} 951 952static int 953ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 954{ 955 return (0); /* we accept anything */ 956} 957 958static void 959ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 960{ 961 struct ufoma_softc *sc = ucom->sc_parent; 962 struct usb_device_request req; 963 struct usb_cdc_line_state ls; 964 965 if (sc->sc_nobulk || 966 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 967 return; 968 } 969 DPRINTF("\n"); 970 971 bzero(&ls, sizeof(ls)); 972 973 USETDW(ls.dwDTERate, t->c_ospeed); 974 975 if (t->c_cflag & CSTOPB) { 976 ls.bCharFormat = UCDC_STOP_BIT_2; 977 } else { 978 ls.bCharFormat = UCDC_STOP_BIT_1; 979 } 980 981 if (t->c_cflag & PARENB) { 982 if (t->c_cflag & PARODD) { 983 ls.bParityType = UCDC_PARITY_ODD; 984 } else { 985 ls.bParityType = UCDC_PARITY_EVEN; 986 } 987 } else { 988 ls.bParityType = UCDC_PARITY_NONE; 989 } 990 991 switch (t->c_cflag & CSIZE) { 992 case CS5: 993 ls.bDataBits = 5; 994 break; 995 case CS6: 996 ls.bDataBits = 6; 997 break; 998 case CS7: 999 ls.bDataBits = 7; 1000 break; 1001 case CS8: 1002 ls.bDataBits = 8; 1003 break; 1004 } 1005 1006 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1007 req.bRequest = UCDC_SET_LINE_CODING; 1008 USETW(req.wValue, 0); 1009 req.wIndex[0] = sc->sc_ctrl_iface_no; 1010 req.wIndex[1] = 0; 1011 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1012 1013 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1014 &req, &ls, 0, 1000); 1015} 1016 1017static int 1018ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1019 struct usb_attach_arg *uaa) 1020{ 1021 struct usb_config_descriptor *cd; 1022 struct usb_cdc_acm_descriptor *acm; 1023 struct usb_cdc_cm_descriptor *cmd; 1024 struct usb_interface_descriptor *id; 1025 struct usb_interface *iface; 1026 uint8_t i; 1027 int32_t error; 1028 1029 cd = usbd_get_config_descriptor(uaa->device); 1030 id = usbd_get_interface_descriptor(uaa->iface); 1031 1032 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1033 1034 if ((cmd == NULL) || 1035 (cmd->bLength < sizeof(*cmd))) { 1036 return (EINVAL); 1037 } 1038 sc->sc_cm_cap = cmd->bmCapabilities; 1039 sc->sc_data_iface_no = cmd->bDataInterface; 1040 1041 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1042 1043 if ((acm == NULL) || 1044 (acm->bLength < sizeof(*acm))) { 1045 return (EINVAL); 1046 } 1047 sc->sc_acm_cap = acm->bmCapabilities; 1048 1049 device_printf(dev, "data interface %d, has %sCM over data, " 1050 "has %sbreak\n", 1051 sc->sc_data_iface_no, 1052 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1053 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1054 1055 /* get the data interface too */ 1056 1057 for (i = 0;; i++) { 1058 1059 iface = usbd_get_iface(uaa->device, i); 1060 1061 if (iface) { 1062 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 1088static void 1089ufoma_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 1104static void 1105ufoma_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 1120static void 1121ufoma_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 1132static void 1133ufoma_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 1144static 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 1158static 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 1169static 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 1180static 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} 1205static 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} 1220static 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 1254static void 1255ufoma_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