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 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD AND BSD-2-Clause-NetBSD 8 * 9 * Copyright (c) 2005, Takanori Watanabe All rights reserved. 10 * Copyright (c) 2003 M. Warner Losh <imp@FreeBSD.org> 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 /*- 35 * Copyright (c) 1998 The NetBSD Foundation, Inc. 36 * All rights reserved. 37 * 38 * This code is derived from software contributed to The NetBSD Foundation 39 * by Lennart Augustsson (lennart@augustsson.net) at 40 * Carlstedt Research & Technology. 41 * 42 * Redistribution and use in source and binary forms, with or without 43 * modification, are permitted provided that the following conditions 44 * are met: 45 * 1. Redistributions of source code must retain the above copyright 46 * notice, this list of conditions and the following disclaimer. 47 * 2. Redistributions in binary form must reproduce the above copyright 48 * notice, this list of conditions and the following disclaimer in the 49 * documentation and/or other materials provided with the distribution. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 52 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 53 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 54 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 55 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 56 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 57 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 58 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 59 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 60 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 61 * POSSIBILITY OF SUCH DAMAGE. 62 */ 63 64 /* 65 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 66 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 67 */ 68 69 /* 70 * TODO: 71 * - Implement a Call Device for modems without multiplexed commands. 72 */ 73 74 /* 75 * NOTE: all function names beginning like "ufoma_cfg_" can only 76 * be called from within the config thread function ! 77 */ 78 79 #include <sys/stdint.h> 80 #include <sys/stddef.h> 81 #include <sys/param.h> 82 #include <sys/queue.h> 83 #include <sys/types.h> 84 #include <sys/systm.h> 85 #include <sys/kernel.h> 86 #include <sys/bus.h> 87 #include <sys/module.h> 88 #include <sys/lock.h> 89 #include <sys/mutex.h> 90 #include <sys/condvar.h> 91 #include <sys/sysctl.h> 92 #include <sys/sx.h> 93 #include <sys/unistd.h> 94 #include <sys/callout.h> 95 #include <sys/malloc.h> 96 #include <sys/priv.h> 97 #include <sys/sbuf.h> 98 99 #include <dev/usb/usb.h> 100 #include <dev/usb/usbdi.h> 101 #include <dev/usb/usbdi_util.h> 102 #include <dev/usb/usb_cdc.h> 103 #include "usbdevs.h" 104 105 #define USB_DEBUG_VAR usb_debug 106 #include <dev/usb/usb_debug.h> 107 #include <dev/usb/usb_process.h> 108 109 #include <dev/usb/serial/usb_serial.h> 110 111 typedef struct ufoma_mobile_acm_descriptor { 112 uint8_t bFunctionLength; 113 uint8_t bDescriptorType; 114 uint8_t bDescriptorSubtype; 115 uint8_t bType; 116 uint8_t bMode[1]; 117 } __packed usb_mcpc_acm_descriptor; 118 119 #define UISUBCLASS_MCPC 0x88 120 121 #define UDESC_VS_INTERFACE 0x44 122 #define UDESCSUB_MCPC_ACM 0x11 123 124 #define UMCPC_ACM_TYPE_AB1 0x1 125 #define UMCPC_ACM_TYPE_AB2 0x2 126 #define UMCPC_ACM_TYPE_AB5 0x5 127 #define UMCPC_ACM_TYPE_AB6 0x6 128 129 #define UMCPC_ACM_MODE_DEACTIVATED 0x0 130 #define UMCPC_ACM_MODE_MODEM 0x1 131 #define UMCPC_ACM_MODE_ATCOMMAND 0x2 132 #define UMCPC_ACM_MODE_OBEX 0x60 133 #define UMCPC_ACM_MODE_VENDOR1 0xc0 134 #define UMCPC_ACM_MODE_VENDOR2 0xfe 135 #define UMCPC_ACM_MODE_UNLINKED 0xff 136 137 #define UMCPC_CM_MOBILE_ACM 0x0 138 139 #define UMCPC_ACTIVATE_MODE 0x60 140 #define UMCPC_GET_MODETABLE 0x61 141 #define UMCPC_SET_LINK 0x62 142 #define UMCPC_CLEAR_LINK 0x63 143 144 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31 145 146 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */ 147 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */ 148 149 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */ 150 151 enum { 152 UFOMA_CTRL_ENDPT_INTR, 153 UFOMA_CTRL_ENDPT_READ, 154 UFOMA_CTRL_ENDPT_WRITE, 155 UFOMA_CTRL_ENDPT_MAX, 156 }; 157 158 enum { 159 UFOMA_BULK_ENDPT_WRITE, 160 UFOMA_BULK_ENDPT_READ, 161 UFOMA_BULK_ENDPT_MAX, 162 }; 163 164 struct ufoma_softc { 165 struct ucom_super_softc sc_super_ucom; 166 struct ucom_softc sc_ucom; 167 struct cv sc_cv; 168 struct mtx sc_mtx; 169 170 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX]; 171 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX]; 172 uint8_t *sc_modetable; 173 device_t sc_dev; 174 struct usb_device *sc_udev; 175 176 uint32_t sc_unit; 177 178 uint16_t sc_line; 179 180 uint8_t sc_num_msg; 181 uint8_t sc_nobulk; 182 uint8_t sc_ctrl_iface_no; 183 uint8_t sc_ctrl_iface_index; 184 uint8_t sc_data_iface_no; 185 uint8_t sc_data_iface_index; 186 uint8_t sc_cm_cap; 187 uint8_t sc_acm_cap; 188 uint8_t sc_lsr; 189 uint8_t sc_msr; 190 uint8_t sc_modetoactivate; 191 uint8_t sc_currentmode; 192 }; 193 194 /* prototypes */ 195 196 static device_probe_t ufoma_probe; 197 static device_attach_t ufoma_attach; 198 static device_detach_t ufoma_detach; 199 static void ufoma_free_softc(struct ufoma_softc *); 200 201 static usb_callback_t ufoma_ctrl_read_callback; 202 static usb_callback_t ufoma_ctrl_write_callback; 203 static usb_callback_t ufoma_intr_callback; 204 static usb_callback_t ufoma_bulk_write_callback; 205 static usb_callback_t ufoma_bulk_read_callback; 206 207 static void *ufoma_get_intconf(struct usb_config_descriptor *, 208 struct usb_interface_descriptor *, uint8_t, uint8_t); 209 static void ufoma_cfg_link_state(struct ufoma_softc *); 210 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); 211 static void ufoma_free(struct ucom_softc *); 212 static void ufoma_cfg_open(struct ucom_softc *); 213 static void ufoma_cfg_close(struct ucom_softc *); 214 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); 215 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, 216 uint8_t *); 217 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); 218 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); 219 static int ufoma_pre_param(struct ucom_softc *, struct termios *); 220 static void ufoma_cfg_param(struct ucom_softc *, struct termios *); 221 static int ufoma_modem_setup(device_t, struct ufoma_softc *, 222 struct usb_attach_arg *); 223 static void ufoma_start_read(struct ucom_softc *); 224 static void ufoma_stop_read(struct ucom_softc *); 225 static void ufoma_start_write(struct ucom_softc *); 226 static void ufoma_stop_write(struct ucom_softc *); 227 static void ufoma_poll(struct ucom_softc *ucom); 228 229 /*sysctl stuff*/ 230 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 231 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 232 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 233 234 static const struct usb_config 235 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = { 236 237 [UFOMA_CTRL_ENDPT_INTR] = { 238 .type = UE_INTERRUPT, 239 .endpoint = UE_ADDR_ANY, 240 .direction = UE_DIR_IN, 241 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 242 .bufsize = sizeof(struct usb_cdc_notification), 243 .callback = &ufoma_intr_callback, 244 }, 245 246 [UFOMA_CTRL_ENDPT_READ] = { 247 .type = UE_CONTROL, 248 .endpoint = 0x00, /* Control pipe */ 249 .direction = UE_DIR_ANY, 250 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), 251 .flags = {.short_xfer_ok = 1,}, 252 .callback = &ufoma_ctrl_read_callback, 253 .timeout = 1000, /* 1 second */ 254 }, 255 256 [UFOMA_CTRL_ENDPT_WRITE] = { 257 .type = UE_CONTROL, 258 .endpoint = 0x00, /* Control pipe */ 259 .direction = UE_DIR_ANY, 260 .bufsize = (sizeof(struct usb_device_request) + 1), 261 .callback = &ufoma_ctrl_write_callback, 262 .timeout = 1000, /* 1 second */ 263 }, 264 }; 265 266 static const struct usb_config 267 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { 268 269 [UFOMA_BULK_ENDPT_WRITE] = { 270 .type = UE_BULK, 271 .endpoint = UE_ADDR_ANY, 272 .direction = UE_DIR_OUT, 273 .bufsize = UFOMA_BULK_BUF_SIZE, 274 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 275 .callback = &ufoma_bulk_write_callback, 276 }, 277 278 [UFOMA_BULK_ENDPT_READ] = { 279 .type = UE_BULK, 280 .endpoint = UE_ADDR_ANY, 281 .direction = UE_DIR_IN, 282 .bufsize = UFOMA_BULK_BUF_SIZE, 283 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 284 .callback = &ufoma_bulk_read_callback, 285 }, 286 }; 287 288 static const struct ucom_callback ufoma_callback = { 289 .ucom_cfg_get_status = &ufoma_cfg_get_status, 290 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, 291 .ucom_cfg_set_rts = &ufoma_cfg_set_rts, 292 .ucom_cfg_set_break = &ufoma_cfg_set_break, 293 .ucom_cfg_param = &ufoma_cfg_param, 294 .ucom_cfg_open = &ufoma_cfg_open, 295 .ucom_cfg_close = &ufoma_cfg_close, 296 .ucom_pre_param = &ufoma_pre_param, 297 .ucom_start_read = &ufoma_start_read, 298 .ucom_stop_read = &ufoma_stop_read, 299 .ucom_start_write = &ufoma_start_write, 300 .ucom_stop_write = &ufoma_stop_write, 301 .ucom_poll = &ufoma_poll, 302 .ucom_free = &ufoma_free, 303 }; 304 305 static device_method_t ufoma_methods[] = { 306 /* Device methods */ 307 DEVMETHOD(device_probe, ufoma_probe), 308 DEVMETHOD(device_attach, ufoma_attach), 309 DEVMETHOD(device_detach, ufoma_detach), 310 DEVMETHOD_END 311 }; 312 313 static devclass_t ufoma_devclass; 314 315 static driver_t ufoma_driver = { 316 .name = "ufoma", 317 .methods = ufoma_methods, 318 .size = sizeof(struct ufoma_softc), 319 }; 320 321 static const STRUCT_USB_HOST_ID ufoma_devs[] = { 322 {USB_IFACE_CLASS(UICLASS_CDC), 323 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, 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 MODULE_VERSION(ufoma, 1); 330 USB_PNP_HOST_INFO(ufoma_devs); 331 332 static int 333 ufoma_probe(device_t dev) 334 { 335 struct usb_attach_arg *uaa = device_get_ivars(dev); 336 struct usb_interface_descriptor *id; 337 struct usb_config_descriptor *cd; 338 usb_mcpc_acm_descriptor *mad; 339 int error; 340 341 if (uaa->usb_mode != USB_MODE_HOST) 342 return (ENXIO); 343 344 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); 345 if (error) 346 return (error); 347 348 id = usbd_get_interface_descriptor(uaa->iface); 349 cd = usbd_get_config_descriptor(uaa->device); 350 351 if (id == NULL || cd == NULL) 352 return (ENXIO); 353 354 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 355 if (mad == NULL) 356 return (ENXIO); 357 358 #ifndef UFOMA_HANDSFREE 359 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 360 (mad->bType == UMCPC_ACM_TYPE_AB6)) 361 return (ENXIO); 362 #endif 363 return (BUS_PROBE_GENERIC); 364 } 365 366 static int 367 ufoma_attach(device_t dev) 368 { 369 struct usb_attach_arg *uaa = device_get_ivars(dev); 370 struct ufoma_softc *sc = device_get_softc(dev); 371 struct usb_config_descriptor *cd; 372 struct usb_interface_descriptor *id; 373 struct sysctl_ctx_list *sctx; 374 struct sysctl_oid *soid; 375 376 usb_mcpc_acm_descriptor *mad; 377 uint8_t elements; 378 int32_t error; 379 380 sc->sc_udev = uaa->device; 381 sc->sc_dev = dev; 382 sc->sc_unit = device_get_unit(dev); 383 384 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 385 ucom_ref(&sc->sc_super_ucom); 386 cv_init(&sc->sc_cv, "CWAIT"); 387 388 device_set_usb_desc(dev); 389 390 DPRINTF("\n"); 391 392 /* setup control transfers */ 393 394 cd = usbd_get_config_descriptor(uaa->device); 395 id = usbd_get_interface_descriptor(uaa->iface); 396 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 397 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; 398 399 error = usbd_transfer_setup(uaa->device, 400 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, 401 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); 402 403 if (error) { 404 device_printf(dev, "allocating control USB " 405 "transfers failed\n"); 406 goto detach; 407 } 408 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 409 if (mad == NULL) { 410 goto detach; 411 } 412 if (mad->bFunctionLength < sizeof(*mad)) { 413 device_printf(dev, "invalid MAD descriptor\n"); 414 goto detach; 415 } 416 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 417 (mad->bType == UMCPC_ACM_TYPE_AB6)) { 418 sc->sc_nobulk = 1; 419 } else { 420 sc->sc_nobulk = 0; 421 if (ufoma_modem_setup(dev, sc, uaa)) { 422 goto detach; 423 } 424 } 425 426 elements = (mad->bFunctionLength - sizeof(*mad) + 1); 427 428 /* initialize mode variables */ 429 430 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 431 432 if (sc->sc_modetable == NULL) { 433 goto detach; 434 } 435 sc->sc_modetable[0] = (elements + 1); 436 memcpy(&sc->sc_modetable[1], mad->bMode, elements); 437 438 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 439 sc->sc_modetoactivate = mad->bMode[0]; 440 441 /* clear stall at first run, if any */ 442 mtx_lock(&sc->sc_mtx); 443 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 444 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 445 mtx_unlock(&sc->sc_mtx); 446 447 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 448 &ufoma_callback, &sc->sc_mtx); 449 if (error) { 450 DPRINTF("ucom_attach failed\n"); 451 goto detach; 452 } 453 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 454 455 /*Sysctls*/ 456 sctx = device_get_sysctl_ctx(dev); 457 soid = device_get_sysctl_tree(dev); 458 459 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 460 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 461 "A", "Supporting port role"); 462 463 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 464 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 465 "A", "Current port role"); 466 467 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 468 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 469 "A", "Mode to transit when port is opened"); 470 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 471 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 472 "Unit number as USB serial"); 473 474 return (0); /* success */ 475 476 detach: 477 ufoma_detach(dev); 478 return (ENXIO); /* failure */ 479 } 480 481 static int 482 ufoma_detach(device_t dev) 483 { 484 struct ufoma_softc *sc = device_get_softc(dev); 485 486 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 487 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 488 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 489 490 if (sc->sc_modetable) { 491 free(sc->sc_modetable, M_USBDEV); 492 } 493 cv_destroy(&sc->sc_cv); 494 495 device_claim_softc(dev); 496 497 ufoma_free_softc(sc); 498 499 return (0); 500 } 501 502 UCOM_UNLOAD_DRAIN(ufoma); 503 504 static void 505 ufoma_free_softc(struct ufoma_softc *sc) 506 { 507 if (ucom_unref(&sc->sc_super_ucom)) { 508 mtx_destroy(&sc->sc_mtx); 509 device_free_softc(sc); 510 } 511 } 512 513 static void 514 ufoma_free(struct ucom_softc *ucom) 515 { 516 ufoma_free_softc(ucom->sc_parent); 517 } 518 519 static void * 520 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 521 uint8_t type, uint8_t subtype) 522 { 523 struct usb_descriptor *desc = (void *)id; 524 525 while ((desc = usb_desc_foreach(cd, desc))) { 526 527 if (desc->bDescriptorType == UDESC_INTERFACE) { 528 return (NULL); 529 } 530 if ((desc->bDescriptorType == type) && 531 (desc->bDescriptorSubtype == subtype)) { 532 break; 533 } 534 } 535 return (desc); 536 } 537 538 static void 539 ufoma_cfg_link_state(struct ufoma_softc *sc) 540 { 541 struct usb_device_request req; 542 int32_t error; 543 544 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 545 req.bRequest = UMCPC_SET_LINK; 546 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 547 USETW(req.wIndex, sc->sc_ctrl_iface_no); 548 USETW(req.wLength, sc->sc_modetable[0]); 549 550 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 551 &req, sc->sc_modetable, 0, 1000); 552 553 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 554 555 if (error) { 556 DPRINTF("NO response\n"); 557 } 558 } 559 560 static void 561 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 562 { 563 struct usb_device_request req; 564 int32_t error; 565 566 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 567 req.bRequest = UMCPC_ACTIVATE_MODE; 568 USETW(req.wValue, state); 569 USETW(req.wIndex, sc->sc_ctrl_iface_no); 570 USETW(req.wLength, 0); 571 572 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 573 &req, NULL, 0, 1000); 574 575 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 576 (UFOMA_MAX_TIMEOUT * hz)); 577 if (error) { 578 DPRINTF("No response\n"); 579 } 580 } 581 582 static void 583 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 584 { 585 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 586 struct usb_device_request req; 587 struct usb_page_cache *pc0, *pc1; 588 int len, aframes, nframes; 589 590 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 591 592 switch (USB_GET_STATE(xfer)) { 593 case USB_ST_TRANSFERRED: 594 tr_transferred: 595 if (aframes != nframes) 596 goto tr_setup; 597 pc1 = usbd_xfer_get_frame(xfer, 1); 598 len = usbd_xfer_frame_len(xfer, 1); 599 if (len > 0) 600 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 601 /* FALLTHROUGH */ 602 case USB_ST_SETUP: 603 tr_setup: 604 if (sc->sc_num_msg) { 605 sc->sc_num_msg--; 606 607 req.bmRequestType = UT_READ_CLASS_INTERFACE; 608 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 609 USETW(req.wIndex, sc->sc_ctrl_iface_no); 610 USETW(req.wValue, 0); 611 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 612 613 pc0 = usbd_xfer_get_frame(xfer, 0); 614 usbd_copy_in(pc0, 0, &req, sizeof(req)); 615 616 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 617 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 618 usbd_xfer_set_frames(xfer, 2); 619 usbd_transfer_submit(xfer); 620 } 621 return; 622 623 default: /* Error */ 624 DPRINTF("error = %s\n", 625 usbd_errstr(error)); 626 627 if (error == USB_ERR_CANCELLED) { 628 return; 629 } 630 goto tr_transferred; 631 } 632 } 633 634 static void 635 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 636 { 637 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 638 struct usb_device_request req; 639 struct usb_page_cache *pc; 640 uint32_t actlen; 641 642 switch (USB_GET_STATE(xfer)) { 643 case USB_ST_TRANSFERRED: 644 tr_transferred: 645 case USB_ST_SETUP: 646 pc = usbd_xfer_get_frame(xfer, 1); 647 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 648 649 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 650 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 651 USETW(req.wIndex, sc->sc_ctrl_iface_no); 652 USETW(req.wValue, 0); 653 USETW(req.wLength, 1); 654 655 pc = usbd_xfer_get_frame(xfer, 0); 656 usbd_copy_in(pc, 0, &req, sizeof(req)); 657 658 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 659 usbd_xfer_set_frame_len(xfer, 1, 1); 660 usbd_xfer_set_frames(xfer, 2); 661 662 usbd_transfer_submit(xfer); 663 } 664 return; 665 666 default: /* Error */ 667 DPRINTF("error = %s\n", usbd_errstr(error)); 668 669 if (error == USB_ERR_CANCELLED) { 670 return; 671 } 672 goto tr_transferred; 673 } 674 } 675 676 static void 677 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) 678 { 679 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 680 struct usb_cdc_notification pkt; 681 struct usb_page_cache *pc; 682 uint16_t wLen; 683 uint16_t temp; 684 uint8_t mstatus; 685 int actlen; 686 687 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 688 689 switch (USB_GET_STATE(xfer)) { 690 case USB_ST_TRANSFERRED: 691 if (actlen < 8) { 692 DPRINTF("too short message\n"); 693 goto tr_setup; 694 } 695 if (actlen > (int)sizeof(pkt)) { 696 DPRINTF("truncating message\n"); 697 actlen = sizeof(pkt); 698 } 699 pc = usbd_xfer_get_frame(xfer, 0); 700 usbd_copy_out(pc, 0, &pkt, actlen); 701 702 actlen -= 8; 703 704 wLen = UGETW(pkt.wLength); 705 if (actlen > wLen) { 706 actlen = wLen; 707 } 708 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && 709 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { 710 temp = UGETW(pkt.wValue); 711 sc->sc_currentmode = (temp >> 8); 712 if (!(temp & 0xff)) { 713 DPRINTF("Mode change failed!\n"); 714 } 715 cv_signal(&sc->sc_cv); 716 } 717 if (pkt.bmRequestType != UCDC_NOTIFICATION) { 718 goto tr_setup; 719 } 720 switch (pkt.bNotification) { 721 case UCDC_N_RESPONSE_AVAILABLE: 722 if (!(sc->sc_nobulk)) { 723 DPRINTF("Wrong serial state!\n"); 724 break; 725 } 726 if (sc->sc_num_msg != 0xFF) { 727 sc->sc_num_msg++; 728 } 729 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 730 break; 731 732 case UCDC_N_SERIAL_STATE: 733 if (sc->sc_nobulk) { 734 DPRINTF("Wrong serial state!\n"); 735 break; 736 } 737 /* 738 * Set the serial state in ucom driver based on 739 * the bits from the notify message 740 */ 741 if (actlen < 2) { 742 DPRINTF("invalid notification " 743 "length, %d bytes!\n", actlen); 744 break; 745 } 746 DPRINTF("notify bytes = 0x%02x, 0x%02x\n", 747 pkt.data[0], pkt.data[1]); 748 749 /* currently, lsr is always zero. */ 750 sc->sc_lsr = 0; 751 sc->sc_msr = 0; 752 753 mstatus = pkt.data[0]; 754 755 if (mstatus & UCDC_N_SERIAL_RI) { 756 sc->sc_msr |= SER_RI; 757 } 758 if (mstatus & UCDC_N_SERIAL_DSR) { 759 sc->sc_msr |= SER_DSR; 760 } 761 if (mstatus & UCDC_N_SERIAL_DCD) { 762 sc->sc_msr |= SER_DCD; 763 } 764 ucom_status_change(&sc->sc_ucom); 765 break; 766 767 default: 768 break; 769 } 770 771 case USB_ST_SETUP: 772 tr_setup: 773 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 774 usbd_transfer_submit(xfer); 775 return; 776 777 default: /* Error */ 778 if (error != USB_ERR_CANCELLED) { 779 /* try to clear stall first */ 780 usbd_xfer_set_stall(xfer); 781 goto tr_setup; 782 } 783 return; 784 } 785 } 786 787 static void 788 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 789 { 790 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 791 struct usb_page_cache *pc; 792 uint32_t actlen; 793 794 switch (USB_GET_STATE(xfer)) { 795 case USB_ST_SETUP: 796 case USB_ST_TRANSFERRED: 797 tr_setup: 798 pc = usbd_xfer_get_frame(xfer, 0); 799 if (ucom_get_data(&sc->sc_ucom, pc, 0, 800 UFOMA_BULK_BUF_SIZE, &actlen)) { 801 usbd_xfer_set_frame_len(xfer, 0, actlen); 802 usbd_transfer_submit(xfer); 803 } 804 return; 805 806 default: /* Error */ 807 if (error != USB_ERR_CANCELLED) { 808 /* try to clear stall first */ 809 usbd_xfer_set_stall(xfer); 810 goto tr_setup; 811 } 812 return; 813 } 814 } 815 816 static void 817 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 818 { 819 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 820 struct usb_page_cache *pc; 821 int actlen; 822 823 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 824 825 switch (USB_GET_STATE(xfer)) { 826 case USB_ST_TRANSFERRED: 827 pc = usbd_xfer_get_frame(xfer, 0); 828 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 829 830 case USB_ST_SETUP: 831 tr_setup: 832 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 833 usbd_transfer_submit(xfer); 834 return; 835 836 default: /* Error */ 837 if (error != USB_ERR_CANCELLED) { 838 /* try to clear stall first */ 839 usbd_xfer_set_stall(xfer); 840 goto tr_setup; 841 } 842 return; 843 } 844 } 845 846 static void 847 ufoma_cfg_open(struct ucom_softc *ucom) 848 { 849 struct ufoma_softc *sc = ucom->sc_parent; 850 851 /* empty input queue */ 852 853 if (sc->sc_num_msg != 0xFF) { 854 sc->sc_num_msg++; 855 } 856 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { 857 ufoma_cfg_link_state(sc); 858 } 859 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { 860 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); 861 } 862 } 863 864 static void 865 ufoma_cfg_close(struct ucom_softc *ucom) 866 { 867 struct ufoma_softc *sc = ucom->sc_parent; 868 869 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 870 } 871 872 static void 873 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 874 { 875 struct ufoma_softc *sc = ucom->sc_parent; 876 struct usb_device_request req; 877 uint16_t wValue; 878 879 if (sc->sc_nobulk || 880 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 881 return; 882 } 883 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { 884 return; 885 } 886 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; 887 888 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 889 req.bRequest = UCDC_SEND_BREAK; 890 USETW(req.wValue, wValue); 891 req.wIndex[0] = sc->sc_ctrl_iface_no; 892 req.wIndex[1] = 0; 893 USETW(req.wLength, 0); 894 895 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 896 &req, NULL, 0, 1000); 897 } 898 899 static void 900 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 901 { 902 struct ufoma_softc *sc = ucom->sc_parent; 903 904 /* XXX Note: sc_lsr is always zero */ 905 *lsr = sc->sc_lsr; 906 *msr = sc->sc_msr; 907 } 908 909 static void 910 ufoma_cfg_set_line_state(struct ufoma_softc *sc) 911 { 912 struct usb_device_request req; 913 914 /* Don't send line state emulation request for OBEX port */ 915 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 916 return; 917 } 918 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 919 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 920 USETW(req.wValue, sc->sc_line); 921 req.wIndex[0] = sc->sc_ctrl_iface_no; 922 req.wIndex[1] = 0; 923 USETW(req.wLength, 0); 924 925 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 926 &req, NULL, 0, 1000); 927 } 928 929 static void 930 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 931 { 932 struct ufoma_softc *sc = ucom->sc_parent; 933 934 if (sc->sc_nobulk) { 935 return; 936 } 937 if (onoff) 938 sc->sc_line |= UCDC_LINE_DTR; 939 else 940 sc->sc_line &= ~UCDC_LINE_DTR; 941 942 ufoma_cfg_set_line_state(sc); 943 } 944 945 static void 946 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 947 { 948 struct ufoma_softc *sc = ucom->sc_parent; 949 950 if (sc->sc_nobulk) { 951 return; 952 } 953 if (onoff) 954 sc->sc_line |= UCDC_LINE_RTS; 955 else 956 sc->sc_line &= ~UCDC_LINE_RTS; 957 958 ufoma_cfg_set_line_state(sc); 959 } 960 961 static int 962 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 963 { 964 return (0); /* we accept anything */ 965 } 966 967 static void 968 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 969 { 970 struct ufoma_softc *sc = ucom->sc_parent; 971 struct usb_device_request req; 972 struct usb_cdc_line_state ls; 973 974 if (sc->sc_nobulk || 975 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 976 return; 977 } 978 DPRINTF("\n"); 979 980 memset(&ls, 0, sizeof(ls)); 981 982 USETDW(ls.dwDTERate, t->c_ospeed); 983 984 if (t->c_cflag & CSTOPB) { 985 ls.bCharFormat = UCDC_STOP_BIT_2; 986 } else { 987 ls.bCharFormat = UCDC_STOP_BIT_1; 988 } 989 990 if (t->c_cflag & PARENB) { 991 if (t->c_cflag & PARODD) { 992 ls.bParityType = UCDC_PARITY_ODD; 993 } else { 994 ls.bParityType = UCDC_PARITY_EVEN; 995 } 996 } else { 997 ls.bParityType = UCDC_PARITY_NONE; 998 } 999 1000 switch (t->c_cflag & CSIZE) { 1001 case CS5: 1002 ls.bDataBits = 5; 1003 break; 1004 case CS6: 1005 ls.bDataBits = 6; 1006 break; 1007 case CS7: 1008 ls.bDataBits = 7; 1009 break; 1010 case CS8: 1011 ls.bDataBits = 8; 1012 break; 1013 } 1014 1015 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1016 req.bRequest = UCDC_SET_LINE_CODING; 1017 USETW(req.wValue, 0); 1018 req.wIndex[0] = sc->sc_ctrl_iface_no; 1019 req.wIndex[1] = 0; 1020 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1021 1022 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1023 &req, &ls, 0, 1000); 1024 } 1025 1026 static int 1027 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1028 struct usb_attach_arg *uaa) 1029 { 1030 struct usb_config_descriptor *cd; 1031 struct usb_cdc_acm_descriptor *acm; 1032 struct usb_cdc_cm_descriptor *cmd; 1033 struct usb_interface_descriptor *id; 1034 struct usb_interface *iface; 1035 uint8_t i; 1036 int32_t error; 1037 1038 cd = usbd_get_config_descriptor(uaa->device); 1039 id = usbd_get_interface_descriptor(uaa->iface); 1040 1041 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1042 1043 if ((cmd == NULL) || 1044 (cmd->bLength < sizeof(*cmd))) { 1045 return (EINVAL); 1046 } 1047 sc->sc_cm_cap = cmd->bmCapabilities; 1048 sc->sc_data_iface_no = cmd->bDataInterface; 1049 1050 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1051 1052 if ((acm == NULL) || 1053 (acm->bLength < sizeof(*acm))) { 1054 return (EINVAL); 1055 } 1056 sc->sc_acm_cap = acm->bmCapabilities; 1057 1058 device_printf(dev, "data interface %d, has %sCM over data, " 1059 "has %sbreak\n", 1060 sc->sc_data_iface_no, 1061 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1062 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1063 1064 /* get the data interface too */ 1065 1066 for (i = 0;; i++) { 1067 1068 iface = usbd_get_iface(uaa->device, i); 1069 1070 if (iface) { 1071 1072 id = usbd_get_interface_descriptor(iface); 1073 1074 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { 1075 sc->sc_data_iface_index = i; 1076 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 1077 break; 1078 } 1079 } else { 1080 device_printf(dev, "no data interface\n"); 1081 return (EINVAL); 1082 } 1083 } 1084 1085 error = usbd_transfer_setup(uaa->device, 1086 &sc->sc_data_iface_index, sc->sc_bulk_xfer, 1087 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1088 1089 if (error) { 1090 device_printf(dev, "allocating BULK USB " 1091 "transfers failed\n"); 1092 return (EINVAL); 1093 } 1094 return (0); 1095 } 1096 1097 static void 1098 ufoma_start_read(struct ucom_softc *ucom) 1099 { 1100 struct ufoma_softc *sc = ucom->sc_parent; 1101 1102 /* start interrupt transfer */ 1103 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1104 1105 /* start data transfer */ 1106 if (sc->sc_nobulk) { 1107 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1108 } else { 1109 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1110 } 1111 } 1112 1113 static void 1114 ufoma_stop_read(struct ucom_softc *ucom) 1115 { 1116 struct ufoma_softc *sc = ucom->sc_parent; 1117 1118 /* stop interrupt transfer */ 1119 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1120 1121 /* stop data transfer */ 1122 if (sc->sc_nobulk) { 1123 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1124 } else { 1125 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1126 } 1127 } 1128 1129 static void 1130 ufoma_start_write(struct ucom_softc *ucom) 1131 { 1132 struct ufoma_softc *sc = ucom->sc_parent; 1133 1134 if (sc->sc_nobulk) { 1135 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1136 } else { 1137 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1138 } 1139 } 1140 1141 static void 1142 ufoma_stop_write(struct ucom_softc *ucom) 1143 { 1144 struct ufoma_softc *sc = ucom->sc_parent; 1145 1146 if (sc->sc_nobulk) { 1147 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1148 } else { 1149 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1150 } 1151 } 1152 1153 static struct umcpc_modetostr_tab{ 1154 int mode; 1155 char *str; 1156 }umcpc_modetostr_tab[]={ 1157 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 1158 {UMCPC_ACM_MODE_MODEM, "modem"}, 1159 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 1160 {UMCPC_ACM_MODE_OBEX, "obex"}, 1161 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 1162 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 1163 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 1164 {0, NULL} 1165 }; 1166 1167 static char *ufoma_mode_to_str(int mode) 1168 { 1169 int i; 1170 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1171 if(umcpc_modetostr_tab[i].mode == mode){ 1172 return umcpc_modetostr_tab[i].str; 1173 } 1174 } 1175 return NULL; 1176 } 1177 1178 static int ufoma_str_to_mode(char *str) 1179 { 1180 int i; 1181 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1182 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 1183 return umcpc_modetostr_tab[i].mode; 1184 } 1185 } 1186 return -1; 1187 } 1188 1189 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1190 { 1191 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1192 struct sbuf sb; 1193 int i; 1194 char *mode; 1195 1196 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1197 for(i = 1; i < sc->sc_modetable[0]; i++){ 1198 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1199 if(mode !=NULL){ 1200 sbuf_cat(&sb, mode); 1201 }else{ 1202 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1203 } 1204 if(i < (sc->sc_modetable[0]-1)) 1205 sbuf_cat(&sb, ","); 1206 } 1207 sbuf_trim(&sb); 1208 sbuf_finish(&sb); 1209 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1210 sbuf_delete(&sb); 1211 1212 return 0; 1213 } 1214 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1215 { 1216 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1217 char *mode; 1218 char subbuf[]="(XXX)"; 1219 mode = ufoma_mode_to_str(sc->sc_currentmode); 1220 if(!mode){ 1221 mode = subbuf; 1222 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1223 } 1224 sysctl_handle_string(oidp, mode, strlen(mode), req); 1225 1226 return 0; 1227 1228 } 1229 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1230 { 1231 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1232 char *mode; 1233 char subbuf[40]; 1234 int newmode; 1235 int error; 1236 int i; 1237 1238 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1239 if(mode){ 1240 strncpy(subbuf, mode, sizeof(subbuf)); 1241 }else{ 1242 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1243 } 1244 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1245 if(error != 0 || req->newptr == NULL){ 1246 return error; 1247 } 1248 1249 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1250 return EINVAL; 1251 } 1252 1253 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1254 if(sc->sc_modetable[i] == newmode){ 1255 sc->sc_modetoactivate = newmode; 1256 return 0; 1257 } 1258 } 1259 1260 return EINVAL; 1261 } 1262 1263 static void 1264 ufoma_poll(struct ucom_softc *ucom) 1265 { 1266 struct ufoma_softc *sc = ucom->sc_parent; 1267 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 1268 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 1269 } 1270