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/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> 116 117 typedef 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 */ 156 157 enum { 158 UFOMA_CTRL_ENDPT_INTR, 159 UFOMA_CTRL_ENDPT_READ, 160 UFOMA_CTRL_ENDPT_WRITE, 161 UFOMA_CTRL_ENDPT_MAX, 162 }; 163 164 enum { 165 UFOMA_BULK_ENDPT_WRITE, 166 UFOMA_BULK_ENDPT_READ, 167 UFOMA_BULK_ENDPT_MAX, 168 }; 169 170 struct 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 */ 202 203 static device_probe_t ufoma_probe; 204 static device_attach_t ufoma_attach; 205 static device_detach_t ufoma_detach; 206 207 static usb_callback_t ufoma_ctrl_read_callback; 208 static usb_callback_t ufoma_ctrl_write_callback; 209 static usb_callback_t ufoma_intr_callback; 210 static usb_callback_t ufoma_bulk_write_callback; 211 static usb_callback_t ufoma_bulk_read_callback; 212 213 static void *ufoma_get_intconf(struct usb_config_descriptor *, 214 struct usb_interface_descriptor *, uint8_t, uint8_t); 215 static void ufoma_cfg_link_state(struct ufoma_softc *); 216 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); 217 static void ufoma_cfg_open(struct ucom_softc *); 218 static void ufoma_cfg_close(struct ucom_softc *); 219 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); 220 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, 221 uint8_t *); 222 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); 223 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); 224 static int ufoma_pre_param(struct ucom_softc *, struct termios *); 225 static void ufoma_cfg_param(struct ucom_softc *, struct termios *); 226 static int ufoma_modem_setup(device_t, struct ufoma_softc *, 227 struct usb_attach_arg *); 228 static void ufoma_start_read(struct ucom_softc *); 229 static void ufoma_stop_read(struct ucom_softc *); 230 static void ufoma_start_write(struct ucom_softc *); 231 static void ufoma_stop_write(struct ucom_softc *); 232 static void ufoma_poll(struct ucom_softc *ucom); 233 234 /*sysctl stuff*/ 235 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 236 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 237 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 238 239 static 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 }; 270 271 static 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 }; 292 293 static 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 }; 308 309 static 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 }; 316 317 static devclass_t ufoma_devclass; 318 319 static driver_t ufoma_driver = { 320 .name = "ufoma", 321 .methods = ufoma_methods, 322 .size = sizeof(struct ufoma_softc), 323 }; 324 325 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0); 326 MODULE_DEPEND(ufoma, ucom, 1, 1, 1); 327 MODULE_DEPEND(ufoma, usb, 1, 1, 1); 328 MODULE_VERSION(ufoma, 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 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 453 454 /*Sysctls*/ 455 sctx = device_get_sysctl_ctx(dev); 456 soid = device_get_sysctl_tree(dev); 457 458 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 459 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 460 "A", "Supporting port role"); 461 462 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 463 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 464 "A", "Current port role"); 465 466 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 467 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 468 "A", "Mode to transit when port is opened"); 469 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 470 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 471 "Unit number as USB serial"); 472 473 return (0); /* success */ 474 475 detach: 476 ufoma_detach(dev); 477 return (ENXIO); /* failure */ 478 } 479 480 static int 481 ufoma_detach(device_t dev) 482 { 483 struct ufoma_softc *sc = device_get_softc(dev); 484 485 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 486 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 487 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 488 489 if (sc->sc_modetable) { 490 free(sc->sc_modetable, M_USBDEV); 491 } 492 mtx_destroy(&sc->sc_mtx); 493 cv_destroy(&sc->sc_cv); 494 495 return (0); 496 } 497 498 static void * 499 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 500 uint8_t type, uint8_t subtype) 501 { 502 struct usb_descriptor *desc = (void *)id; 503 504 while ((desc = usb_desc_foreach(cd, desc))) { 505 506 if (desc->bDescriptorType == UDESC_INTERFACE) { 507 return (NULL); 508 } 509 if ((desc->bDescriptorType == type) && 510 (desc->bDescriptorSubtype == subtype)) { 511 break; 512 } 513 } 514 return (desc); 515 } 516 517 static void 518 ufoma_cfg_link_state(struct ufoma_softc *sc) 519 { 520 struct usb_device_request req; 521 int32_t error; 522 523 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 524 req.bRequest = UMCPC_SET_LINK; 525 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 526 USETW(req.wIndex, sc->sc_ctrl_iface_no); 527 USETW(req.wLength, sc->sc_modetable[0]); 528 529 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 530 &req, sc->sc_modetable, 0, 1000); 531 532 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 533 534 if (error) { 535 DPRINTF("NO response\n"); 536 } 537 } 538 539 static void 540 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 541 { 542 struct usb_device_request req; 543 int32_t error; 544 545 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 546 req.bRequest = UMCPC_ACTIVATE_MODE; 547 USETW(req.wValue, state); 548 USETW(req.wIndex, sc->sc_ctrl_iface_no); 549 USETW(req.wLength, 0); 550 551 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 552 &req, NULL, 0, 1000); 553 554 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 555 (UFOMA_MAX_TIMEOUT * hz)); 556 if (error) { 557 DPRINTF("No response\n"); 558 } 559 } 560 561 static void 562 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 563 { 564 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 565 struct usb_device_request req; 566 struct usb_page_cache *pc0, *pc1; 567 int len, aframes, nframes; 568 569 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 570 571 switch (USB_GET_STATE(xfer)) { 572 case USB_ST_TRANSFERRED: 573 tr_transferred: 574 if (aframes != nframes) 575 goto tr_setup; 576 pc1 = usbd_xfer_get_frame(xfer, 1); 577 len = usbd_xfer_frame_len(xfer, 1); 578 if (len > 0) 579 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 580 /* FALLTHROUGH */ 581 case USB_ST_SETUP: 582 tr_setup: 583 if (sc->sc_num_msg) { 584 sc->sc_num_msg--; 585 586 req.bmRequestType = UT_READ_CLASS_INTERFACE; 587 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 588 USETW(req.wIndex, sc->sc_ctrl_iface_no); 589 USETW(req.wValue, 0); 590 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 591 592 pc0 = usbd_xfer_get_frame(xfer, 0); 593 usbd_copy_in(pc0, 0, &req, sizeof(req)); 594 595 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 596 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 597 usbd_xfer_set_frames(xfer, 2); 598 usbd_transfer_submit(xfer); 599 } 600 return; 601 602 default: /* Error */ 603 DPRINTF("error = %s\n", 604 usbd_errstr(error)); 605 606 if (error == USB_ERR_CANCELLED) { 607 return; 608 } else { 609 goto tr_setup; 610 } 611 612 goto tr_transferred; 613 } 614 } 615 616 static void 617 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 618 { 619 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 620 struct usb_device_request req; 621 struct usb_page_cache *pc; 622 uint32_t actlen; 623 624 switch (USB_GET_STATE(xfer)) { 625 case USB_ST_TRANSFERRED: 626 tr_transferred: 627 case USB_ST_SETUP: 628 tr_setup: 629 pc = usbd_xfer_get_frame(xfer, 1); 630 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 631 632 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 633 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 634 USETW(req.wIndex, sc->sc_ctrl_iface_no); 635 USETW(req.wValue, 0); 636 USETW(req.wLength, 1); 637 638 pc = usbd_xfer_get_frame(xfer, 0); 639 usbd_copy_in(pc, 0, &req, sizeof(req)); 640 641 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 642 usbd_xfer_set_frame_len(xfer, 1, 1); 643 usbd_xfer_set_frames(xfer, 2); 644 645 usbd_transfer_submit(xfer); 646 } 647 return; 648 649 default: /* Error */ 650 DPRINTF("error = %s\n", usbd_errstr(error)); 651 652 if (error == USB_ERR_CANCELLED) { 653 return; 654 } else { 655 goto tr_setup; 656 } 657 658 goto tr_transferred; 659 } 660 } 661 662 static void 663 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) 664 { 665 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 666 struct usb_cdc_notification pkt; 667 struct usb_page_cache *pc; 668 uint16_t wLen; 669 uint16_t temp; 670 uint8_t mstatus; 671 int actlen; 672 673 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 674 675 switch (USB_GET_STATE(xfer)) { 676 case USB_ST_TRANSFERRED: 677 if (actlen < 8) { 678 DPRINTF("too short message\n"); 679 goto tr_setup; 680 } 681 if (actlen > sizeof(pkt)) { 682 DPRINTF("truncating message\n"); 683 actlen = sizeof(pkt); 684 } 685 pc = usbd_xfer_get_frame(xfer, 0); 686 usbd_copy_out(pc, 0, &pkt, actlen); 687 688 actlen -= 8; 689 690 wLen = UGETW(pkt.wLength); 691 if (actlen > wLen) { 692 actlen = wLen; 693 } 694 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && 695 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { 696 temp = UGETW(pkt.wValue); 697 sc->sc_currentmode = (temp >> 8); 698 if (!(temp & 0xff)) { 699 DPRINTF("Mode change failed!\n"); 700 } 701 cv_signal(&sc->sc_cv); 702 } 703 if (pkt.bmRequestType != UCDC_NOTIFICATION) { 704 goto tr_setup; 705 } 706 switch (pkt.bNotification) { 707 case UCDC_N_RESPONSE_AVAILABLE: 708 if (!(sc->sc_nobulk)) { 709 DPRINTF("Wrong serial state!\n"); 710 break; 711 } 712 if (sc->sc_num_msg != 0xFF) { 713 sc->sc_num_msg++; 714 } 715 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 716 break; 717 718 case UCDC_N_SERIAL_STATE: 719 if (sc->sc_nobulk) { 720 DPRINTF("Wrong serial state!\n"); 721 break; 722 } 723 /* 724 * Set the serial state in ucom driver based on 725 * the bits from the notify message 726 */ 727 if (actlen < 2) { 728 DPRINTF("invalid notification " 729 "length, %d bytes!\n", actlen); 730 break; 731 } 732 DPRINTF("notify bytes = 0x%02x, 0x%02x\n", 733 pkt.data[0], pkt.data[1]); 734 735 /* currently, lsr is always zero. */ 736 sc->sc_lsr = 0; 737 sc->sc_msr = 0; 738 739 mstatus = pkt.data[0]; 740 741 if (mstatus & UCDC_N_SERIAL_RI) { 742 sc->sc_msr |= SER_RI; 743 } 744 if (mstatus & UCDC_N_SERIAL_DSR) { 745 sc->sc_msr |= SER_DSR; 746 } 747 if (mstatus & UCDC_N_SERIAL_DCD) { 748 sc->sc_msr |= SER_DCD; 749 } 750 ucom_status_change(&sc->sc_ucom); 751 break; 752 753 default: 754 break; 755 } 756 757 case USB_ST_SETUP: 758 tr_setup: 759 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 760 usbd_transfer_submit(xfer); 761 return; 762 763 default: /* Error */ 764 if (error != USB_ERR_CANCELLED) { 765 /* try to clear stall first */ 766 usbd_xfer_set_stall(xfer); 767 goto tr_setup; 768 } 769 return; 770 } 771 } 772 773 static void 774 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 775 { 776 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 777 struct usb_page_cache *pc; 778 uint32_t actlen; 779 780 switch (USB_GET_STATE(xfer)) { 781 case USB_ST_SETUP: 782 case USB_ST_TRANSFERRED: 783 tr_setup: 784 pc = usbd_xfer_get_frame(xfer, 0); 785 if (ucom_get_data(&sc->sc_ucom, pc, 0, 786 UFOMA_BULK_BUF_SIZE, &actlen)) { 787 usbd_xfer_set_frame_len(xfer, 0, actlen); 788 usbd_transfer_submit(xfer); 789 } 790 return; 791 792 default: /* Error */ 793 if (error != USB_ERR_CANCELLED) { 794 /* try to clear stall first */ 795 usbd_xfer_set_stall(xfer); 796 goto tr_setup; 797 } 798 return; 799 } 800 } 801 802 static void 803 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 804 { 805 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 806 struct usb_page_cache *pc; 807 int actlen; 808 809 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 810 811 switch (USB_GET_STATE(xfer)) { 812 case USB_ST_TRANSFERRED: 813 pc = usbd_xfer_get_frame(xfer, 0); 814 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 815 816 case USB_ST_SETUP: 817 tr_setup: 818 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 819 usbd_transfer_submit(xfer); 820 return; 821 822 default: /* Error */ 823 if (error != USB_ERR_CANCELLED) { 824 /* try to clear stall first */ 825 usbd_xfer_set_stall(xfer); 826 goto tr_setup; 827 } 828 return; 829 } 830 } 831 832 static void 833 ufoma_cfg_open(struct ucom_softc *ucom) 834 { 835 struct ufoma_softc *sc = ucom->sc_parent; 836 837 /* empty input queue */ 838 839 if (sc->sc_num_msg != 0xFF) { 840 sc->sc_num_msg++; 841 } 842 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { 843 ufoma_cfg_link_state(sc); 844 } 845 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { 846 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); 847 } 848 } 849 850 static void 851 ufoma_cfg_close(struct ucom_softc *ucom) 852 { 853 struct ufoma_softc *sc = ucom->sc_parent; 854 855 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 856 } 857 858 static void 859 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 860 { 861 struct ufoma_softc *sc = ucom->sc_parent; 862 struct usb_device_request req; 863 uint16_t wValue; 864 865 if (sc->sc_nobulk || 866 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 867 return; 868 } 869 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { 870 return; 871 } 872 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; 873 874 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 875 req.bRequest = UCDC_SEND_BREAK; 876 USETW(req.wValue, wValue); 877 req.wIndex[0] = sc->sc_ctrl_iface_no; 878 req.wIndex[1] = 0; 879 USETW(req.wLength, 0); 880 881 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 882 &req, NULL, 0, 1000); 883 } 884 885 static void 886 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 887 { 888 struct ufoma_softc *sc = ucom->sc_parent; 889 890 *lsr = sc->sc_lsr; 891 *msr = sc->sc_msr; 892 } 893 894 static void 895 ufoma_cfg_set_line_state(struct ufoma_softc *sc) 896 { 897 struct usb_device_request req; 898 899 /* Don't send line state emulation request for OBEX port */ 900 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 901 return; 902 } 903 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 904 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 905 USETW(req.wValue, sc->sc_line); 906 req.wIndex[0] = sc->sc_ctrl_iface_no; 907 req.wIndex[1] = 0; 908 USETW(req.wLength, 0); 909 910 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 911 &req, NULL, 0, 1000); 912 } 913 914 static void 915 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 916 { 917 struct ufoma_softc *sc = ucom->sc_parent; 918 919 if (sc->sc_nobulk) { 920 return; 921 } 922 if (onoff) 923 sc->sc_line |= UCDC_LINE_DTR; 924 else 925 sc->sc_line &= ~UCDC_LINE_DTR; 926 927 ufoma_cfg_set_line_state(sc); 928 } 929 930 static void 931 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 932 { 933 struct ufoma_softc *sc = ucom->sc_parent; 934 935 if (sc->sc_nobulk) { 936 return; 937 } 938 if (onoff) 939 sc->sc_line |= UCDC_LINE_RTS; 940 else 941 sc->sc_line &= ~UCDC_LINE_RTS; 942 943 ufoma_cfg_set_line_state(sc); 944 } 945 946 static int 947 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 948 { 949 return (0); /* we accept anything */ 950 } 951 952 static void 953 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 954 { 955 struct ufoma_softc *sc = ucom->sc_parent; 956 struct usb_device_request req; 957 struct usb_cdc_line_state ls; 958 959 if (sc->sc_nobulk || 960 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 961 return; 962 } 963 DPRINTF("\n"); 964 965 bzero(&ls, sizeof(ls)); 966 967 USETDW(ls.dwDTERate, t->c_ospeed); 968 969 if (t->c_cflag & CSTOPB) { 970 ls.bCharFormat = UCDC_STOP_BIT_2; 971 } else { 972 ls.bCharFormat = UCDC_STOP_BIT_1; 973 } 974 975 if (t->c_cflag & PARENB) { 976 if (t->c_cflag & PARODD) { 977 ls.bParityType = UCDC_PARITY_ODD; 978 } else { 979 ls.bParityType = UCDC_PARITY_EVEN; 980 } 981 } else { 982 ls.bParityType = UCDC_PARITY_NONE; 983 } 984 985 switch (t->c_cflag & CSIZE) { 986 case CS5: 987 ls.bDataBits = 5; 988 break; 989 case CS6: 990 ls.bDataBits = 6; 991 break; 992 case CS7: 993 ls.bDataBits = 7; 994 break; 995 case CS8: 996 ls.bDataBits = 8; 997 break; 998 } 999 1000 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1001 req.bRequest = UCDC_SET_LINE_CODING; 1002 USETW(req.wValue, 0); 1003 req.wIndex[0] = sc->sc_ctrl_iface_no; 1004 req.wIndex[1] = 0; 1005 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1006 1007 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1008 &req, &ls, 0, 1000); 1009 } 1010 1011 static int 1012 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1013 struct usb_attach_arg *uaa) 1014 { 1015 struct usb_config_descriptor *cd; 1016 struct usb_cdc_acm_descriptor *acm; 1017 struct usb_cdc_cm_descriptor *cmd; 1018 struct usb_interface_descriptor *id; 1019 struct usb_interface *iface; 1020 uint8_t i; 1021 int32_t error; 1022 1023 cd = usbd_get_config_descriptor(uaa->device); 1024 id = usbd_get_interface_descriptor(uaa->iface); 1025 1026 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1027 1028 if ((cmd == NULL) || 1029 (cmd->bLength < sizeof(*cmd))) { 1030 return (EINVAL); 1031 } 1032 sc->sc_cm_cap = cmd->bmCapabilities; 1033 sc->sc_data_iface_no = cmd->bDataInterface; 1034 1035 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1036 1037 if ((acm == NULL) || 1038 (acm->bLength < sizeof(*acm))) { 1039 return (EINVAL); 1040 } 1041 sc->sc_acm_cap = acm->bmCapabilities; 1042 1043 device_printf(dev, "data interface %d, has %sCM over data, " 1044 "has %sbreak\n", 1045 sc->sc_data_iface_no, 1046 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1047 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1048 1049 /* get the data interface too */ 1050 1051 for (i = 0;; i++) { 1052 1053 iface = usbd_get_iface(uaa->device, i); 1054 1055 if (iface) { 1056 1057 id = usbd_get_interface_descriptor(iface); 1058 1059 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { 1060 sc->sc_data_iface_index = i; 1061 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 1062 break; 1063 } 1064 } else { 1065 device_printf(dev, "no data interface\n"); 1066 return (EINVAL); 1067 } 1068 } 1069 1070 error = usbd_transfer_setup(uaa->device, 1071 &sc->sc_data_iface_index, sc->sc_bulk_xfer, 1072 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1073 1074 if (error) { 1075 device_printf(dev, "allocating BULK USB " 1076 "transfers failed\n"); 1077 return (EINVAL); 1078 } 1079 return (0); 1080 } 1081 1082 static void 1083 ufoma_start_read(struct ucom_softc *ucom) 1084 { 1085 struct ufoma_softc *sc = ucom->sc_parent; 1086 1087 /* start interrupt transfer */ 1088 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1089 1090 /* start data transfer */ 1091 if (sc->sc_nobulk) { 1092 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1093 } else { 1094 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1095 } 1096 } 1097 1098 static void 1099 ufoma_stop_read(struct ucom_softc *ucom) 1100 { 1101 struct ufoma_softc *sc = ucom->sc_parent; 1102 1103 /* stop interrupt transfer */ 1104 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1105 1106 /* stop data transfer */ 1107 if (sc->sc_nobulk) { 1108 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1109 } else { 1110 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1111 } 1112 } 1113 1114 static void 1115 ufoma_start_write(struct ucom_softc *ucom) 1116 { 1117 struct ufoma_softc *sc = ucom->sc_parent; 1118 1119 if (sc->sc_nobulk) { 1120 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1121 } else { 1122 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1123 } 1124 } 1125 1126 static void 1127 ufoma_stop_write(struct ucom_softc *ucom) 1128 { 1129 struct ufoma_softc *sc = ucom->sc_parent; 1130 1131 if (sc->sc_nobulk) { 1132 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1133 } else { 1134 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1135 } 1136 } 1137 1138 static struct umcpc_modetostr_tab{ 1139 int mode; 1140 char *str; 1141 }umcpc_modetostr_tab[]={ 1142 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 1143 {UMCPC_ACM_MODE_MODEM, "modem"}, 1144 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 1145 {UMCPC_ACM_MODE_OBEX, "obex"}, 1146 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 1147 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 1148 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 1149 {0, NULL} 1150 }; 1151 1152 static char *ufoma_mode_to_str(int mode) 1153 { 1154 int i; 1155 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1156 if(umcpc_modetostr_tab[i].mode == mode){ 1157 return umcpc_modetostr_tab[i].str; 1158 } 1159 } 1160 return NULL; 1161 } 1162 1163 static int ufoma_str_to_mode(char *str) 1164 { 1165 int i; 1166 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1167 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 1168 return umcpc_modetostr_tab[i].mode; 1169 } 1170 } 1171 return -1; 1172 } 1173 1174 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1175 { 1176 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1177 struct sbuf sb; 1178 int i; 1179 char *mode; 1180 1181 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1182 for(i = 1; i < sc->sc_modetable[0]; i++){ 1183 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1184 if(mode !=NULL){ 1185 sbuf_cat(&sb, mode); 1186 }else{ 1187 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1188 } 1189 if(i < (sc->sc_modetable[0]-1)) 1190 sbuf_cat(&sb, ","); 1191 } 1192 sbuf_trim(&sb); 1193 sbuf_finish(&sb); 1194 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1195 sbuf_delete(&sb); 1196 1197 return 0; 1198 } 1199 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1200 { 1201 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1202 char *mode; 1203 char subbuf[]="(XXX)"; 1204 mode = ufoma_mode_to_str(sc->sc_currentmode); 1205 if(!mode){ 1206 mode = subbuf; 1207 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1208 } 1209 sysctl_handle_string(oidp, mode, strlen(mode), req); 1210 1211 return 0; 1212 1213 } 1214 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1215 { 1216 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1217 char *mode; 1218 char subbuf[40]; 1219 int newmode; 1220 int error; 1221 int i; 1222 1223 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1224 if(mode){ 1225 strncpy(subbuf, mode, sizeof(subbuf)); 1226 }else{ 1227 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1228 } 1229 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1230 if(error != 0 || req->newptr == NULL){ 1231 return error; 1232 } 1233 1234 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1235 return EINVAL; 1236 } 1237 1238 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1239 if(sc->sc_modetable[i] == newmode){ 1240 sc->sc_modetoactivate = newmode; 1241 return 0; 1242 } 1243 } 1244 1245 return EINVAL; 1246 } 1247 1248 static void 1249 ufoma_poll(struct ucom_softc *ucom) 1250 { 1251 struct ufoma_softc *sc = ucom->sc_parent; 1252 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 1253 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 1254 } 1255