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