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 10 * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>. 11 * All rights reserved. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 /*- 36 * Copyright (c) 1998 The NetBSD Foundation, Inc. 37 * All rights reserved. 38 * 39 * This code is derived from software contributed to The NetBSD Foundation 40 * by Lennart Augustsson (lennart@augustsson.net) at 41 * Carlstedt Research & Technology. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 52 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 53 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 54 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 55 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 56 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 57 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 58 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 59 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 60 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 61 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 62 * POSSIBILITY OF SUCH DAMAGE. 63 */ 64 65 /* 66 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 67 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 68 */ 69 70 /* 71 * TODO: 72 * - Implement a Call Device for modems without multiplexed commands. 73 */ 74 75 /* 76 * NOTE: all function names beginning like "ufoma_cfg_" can only 77 * be called from within the config thread function ! 78 */ 79 80 #include <sys/stdint.h> 81 #include <sys/stddef.h> 82 #include <sys/param.h> 83 #include <sys/queue.h> 84 #include <sys/types.h> 85 #include <sys/systm.h> 86 #include <sys/kernel.h> 87 #include <sys/bus.h> 88 #include <sys/module.h> 89 #include <sys/lock.h> 90 #include <sys/mutex.h> 91 #include <sys/condvar.h> 92 #include <sys/sysctl.h> 93 #include <sys/sx.h> 94 #include <sys/unistd.h> 95 #include <sys/callout.h> 96 #include <sys/malloc.h> 97 #include <sys/priv.h> 98 #include <sys/sbuf.h> 99 100 #include <dev/usb/usb.h> 101 #include <dev/usb/usbdi.h> 102 #include <dev/usb/usbdi_util.h> 103 #include <dev/usb/usb_cdc.h> 104 #include "usbdevs.h" 105 106 #define USB_DEBUG_VAR usb_debug 107 #include <dev/usb/usb_debug.h> 108 #include <dev/usb/usb_process.h> 109 110 #include <dev/usb/serial/usb_serial.h> 111 112 typedef struct ufoma_mobile_acm_descriptor { 113 uint8_t bFunctionLength; 114 uint8_t bDescriptorType; 115 uint8_t bDescriptorSubtype; 116 uint8_t bType; 117 uint8_t bMode[1]; 118 } __packed usb_mcpc_acm_descriptor; 119 120 #define UISUBCLASS_MCPC 0x88 121 122 #define UDESC_VS_INTERFACE 0x44 123 #define UDESCSUB_MCPC_ACM 0x11 124 125 #define UMCPC_ACM_TYPE_AB1 0x1 126 #define UMCPC_ACM_TYPE_AB2 0x2 127 #define UMCPC_ACM_TYPE_AB5 0x5 128 #define UMCPC_ACM_TYPE_AB6 0x6 129 130 #define UMCPC_ACM_MODE_DEACTIVATED 0x0 131 #define UMCPC_ACM_MODE_MODEM 0x1 132 #define UMCPC_ACM_MODE_ATCOMMAND 0x2 133 #define UMCPC_ACM_MODE_OBEX 0x60 134 #define UMCPC_ACM_MODE_VENDOR1 0xc0 135 #define UMCPC_ACM_MODE_VENDOR2 0xfe 136 #define UMCPC_ACM_MODE_UNLINKED 0xff 137 138 #define UMCPC_CM_MOBILE_ACM 0x0 139 140 #define UMCPC_ACTIVATE_MODE 0x60 141 #define UMCPC_GET_MODETABLE 0x61 142 #define UMCPC_SET_LINK 0x62 143 #define UMCPC_CLEAR_LINK 0x63 144 145 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31 146 147 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */ 148 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */ 149 150 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */ 151 152 enum { 153 UFOMA_CTRL_ENDPT_INTR, 154 UFOMA_CTRL_ENDPT_READ, 155 UFOMA_CTRL_ENDPT_WRITE, 156 UFOMA_CTRL_ENDPT_MAX, 157 }; 158 159 enum { 160 UFOMA_BULK_ENDPT_WRITE, 161 UFOMA_BULK_ENDPT_READ, 162 UFOMA_BULK_ENDPT_MAX, 163 }; 164 165 struct ufoma_softc { 166 struct ucom_super_softc sc_super_ucom; 167 struct ucom_softc sc_ucom; 168 struct cv sc_cv; 169 struct mtx sc_mtx; 170 171 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX]; 172 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX]; 173 uint8_t *sc_modetable; 174 device_t sc_dev; 175 struct usb_device *sc_udev; 176 177 uint32_t sc_unit; 178 179 uint16_t sc_line; 180 181 uint8_t sc_num_msg; 182 uint8_t sc_nobulk; 183 uint8_t sc_ctrl_iface_no; 184 uint8_t sc_ctrl_iface_index; 185 uint8_t sc_data_iface_no; 186 uint8_t sc_data_iface_index; 187 uint8_t sc_cm_cap; 188 uint8_t sc_acm_cap; 189 uint8_t sc_lsr; 190 uint8_t sc_msr; 191 uint8_t sc_modetoactivate; 192 uint8_t sc_currentmode; 193 }; 194 195 /* prototypes */ 196 197 static device_probe_t ufoma_probe; 198 static device_attach_t ufoma_attach; 199 static device_detach_t ufoma_detach; 200 static void ufoma_free_softc(struct ufoma_softc *); 201 202 static usb_callback_t ufoma_ctrl_read_callback; 203 static usb_callback_t ufoma_ctrl_write_callback; 204 static usb_callback_t ufoma_intr_callback; 205 static usb_callback_t ufoma_bulk_write_callback; 206 static usb_callback_t ufoma_bulk_read_callback; 207 208 static void *ufoma_get_intconf(struct usb_config_descriptor *, 209 struct usb_interface_descriptor *, uint8_t, uint8_t); 210 static void ufoma_cfg_link_state(struct ufoma_softc *); 211 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); 212 static void ufoma_free(struct ucom_softc *); 213 static void ufoma_cfg_open(struct ucom_softc *); 214 static void ufoma_cfg_close(struct ucom_softc *); 215 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); 216 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, 217 uint8_t *); 218 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); 219 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); 220 static int ufoma_pre_param(struct ucom_softc *, struct termios *); 221 static void ufoma_cfg_param(struct ucom_softc *, struct termios *); 222 static int ufoma_modem_setup(device_t, struct ufoma_softc *, 223 struct usb_attach_arg *); 224 static void ufoma_start_read(struct ucom_softc *); 225 static void ufoma_stop_read(struct ucom_softc *); 226 static void ufoma_start_write(struct ucom_softc *); 227 static void ufoma_stop_write(struct ucom_softc *); 228 static void ufoma_poll(struct ucom_softc *ucom); 229 230 /*sysctl stuff*/ 231 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 232 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 233 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 234 235 static const struct usb_config 236 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = { 237 238 [UFOMA_CTRL_ENDPT_INTR] = { 239 .type = UE_INTERRUPT, 240 .endpoint = UE_ADDR_ANY, 241 .direction = UE_DIR_IN, 242 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 243 .bufsize = sizeof(struct usb_cdc_notification), 244 .callback = &ufoma_intr_callback, 245 }, 246 247 [UFOMA_CTRL_ENDPT_READ] = { 248 .type = UE_CONTROL, 249 .endpoint = 0x00, /* Control pipe */ 250 .direction = UE_DIR_ANY, 251 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), 252 .flags = {.short_xfer_ok = 1,}, 253 .callback = &ufoma_ctrl_read_callback, 254 .timeout = 1000, /* 1 second */ 255 }, 256 257 [UFOMA_CTRL_ENDPT_WRITE] = { 258 .type = UE_CONTROL, 259 .endpoint = 0x00, /* Control pipe */ 260 .direction = UE_DIR_ANY, 261 .bufsize = (sizeof(struct usb_device_request) + 1), 262 .callback = &ufoma_ctrl_write_callback, 263 .timeout = 1000, /* 1 second */ 264 }, 265 }; 266 267 static const struct usb_config 268 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { 269 270 [UFOMA_BULK_ENDPT_WRITE] = { 271 .type = UE_BULK, 272 .endpoint = UE_ADDR_ANY, 273 .direction = UE_DIR_OUT, 274 .bufsize = UFOMA_BULK_BUF_SIZE, 275 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 276 .callback = &ufoma_bulk_write_callback, 277 }, 278 279 [UFOMA_BULK_ENDPT_READ] = { 280 .type = UE_BULK, 281 .endpoint = UE_ADDR_ANY, 282 .direction = UE_DIR_IN, 283 .bufsize = UFOMA_BULK_BUF_SIZE, 284 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 285 .callback = &ufoma_bulk_read_callback, 286 }, 287 }; 288 289 static const struct ucom_callback ufoma_callback = { 290 .ucom_cfg_get_status = &ufoma_cfg_get_status, 291 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, 292 .ucom_cfg_set_rts = &ufoma_cfg_set_rts, 293 .ucom_cfg_set_break = &ufoma_cfg_set_break, 294 .ucom_cfg_param = &ufoma_cfg_param, 295 .ucom_cfg_open = &ufoma_cfg_open, 296 .ucom_cfg_close = &ufoma_cfg_close, 297 .ucom_pre_param = &ufoma_pre_param, 298 .ucom_start_read = &ufoma_start_read, 299 .ucom_stop_read = &ufoma_stop_read, 300 .ucom_start_write = &ufoma_start_write, 301 .ucom_stop_write = &ufoma_stop_write, 302 .ucom_poll = &ufoma_poll, 303 .ucom_free = &ufoma_free, 304 }; 305 306 static device_method_t ufoma_methods[] = { 307 /* Device methods */ 308 DEVMETHOD(device_probe, ufoma_probe), 309 DEVMETHOD(device_attach, ufoma_attach), 310 DEVMETHOD(device_detach, ufoma_detach), 311 DEVMETHOD_END 312 }; 313 314 static devclass_t ufoma_devclass; 315 316 static driver_t ufoma_driver = { 317 .name = "ufoma", 318 .methods = ufoma_methods, 319 .size = sizeof(struct ufoma_softc), 320 }; 321 322 static const STRUCT_USB_HOST_ID ufoma_devs[] = { 323 {USB_IFACE_CLASS(UICLASS_CDC), 324 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, 325 }; 326 327 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0); 328 MODULE_DEPEND(ufoma, ucom, 1, 1, 1); 329 MODULE_DEPEND(ufoma, usb, 1, 1, 1); 330 MODULE_VERSION(ufoma, 1); 331 USB_PNP_HOST_INFO(ufoma_devs); 332 333 static int 334 ufoma_probe(device_t dev) 335 { 336 struct usb_attach_arg *uaa = device_get_ivars(dev); 337 struct usb_interface_descriptor *id; 338 struct usb_config_descriptor *cd; 339 usb_mcpc_acm_descriptor *mad; 340 int error; 341 342 if (uaa->usb_mode != USB_MODE_HOST) 343 return (ENXIO); 344 345 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); 346 if (error) 347 return (error); 348 349 id = usbd_get_interface_descriptor(uaa->iface); 350 cd = usbd_get_config_descriptor(uaa->device); 351 352 if (id == NULL || cd == NULL) 353 return (ENXIO); 354 355 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 356 if (mad == NULL) 357 return (ENXIO); 358 359 #ifndef UFOMA_HANDSFREE 360 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 361 (mad->bType == UMCPC_ACM_TYPE_AB6)) 362 return (ENXIO); 363 #endif 364 return (BUS_PROBE_GENERIC); 365 } 366 367 static int 368 ufoma_attach(device_t dev) 369 { 370 struct usb_attach_arg *uaa = device_get_ivars(dev); 371 struct ufoma_softc *sc = device_get_softc(dev); 372 struct usb_config_descriptor *cd; 373 struct usb_interface_descriptor *id; 374 struct sysctl_ctx_list *sctx; 375 struct sysctl_oid *soid; 376 377 usb_mcpc_acm_descriptor *mad; 378 uint8_t elements; 379 int32_t error; 380 381 sc->sc_udev = uaa->device; 382 sc->sc_dev = dev; 383 sc->sc_unit = device_get_unit(dev); 384 385 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 386 ucom_ref(&sc->sc_super_ucom); 387 cv_init(&sc->sc_cv, "CWAIT"); 388 389 device_set_usb_desc(dev); 390 391 DPRINTF("\n"); 392 393 /* setup control transfers */ 394 395 cd = usbd_get_config_descriptor(uaa->device); 396 id = usbd_get_interface_descriptor(uaa->iface); 397 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 398 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; 399 400 error = usbd_transfer_setup(uaa->device, 401 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, 402 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); 403 404 if (error) { 405 device_printf(dev, "allocating control USB " 406 "transfers failed\n"); 407 goto detach; 408 } 409 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 410 if (mad == NULL) { 411 goto detach; 412 } 413 if (mad->bFunctionLength < sizeof(*mad)) { 414 device_printf(dev, "invalid MAD descriptor\n"); 415 goto detach; 416 } 417 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 418 (mad->bType == UMCPC_ACM_TYPE_AB6)) { 419 sc->sc_nobulk = 1; 420 } else { 421 sc->sc_nobulk = 0; 422 if (ufoma_modem_setup(dev, sc, uaa)) { 423 goto detach; 424 } 425 } 426 427 elements = (mad->bFunctionLength - sizeof(*mad) + 1); 428 429 /* initialize mode variables */ 430 431 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 432 433 if (sc->sc_modetable == NULL) { 434 goto detach; 435 } 436 sc->sc_modetable[0] = (elements + 1); 437 memcpy(&sc->sc_modetable[1], mad->bMode, elements); 438 439 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 440 sc->sc_modetoactivate = mad->bMode[0]; 441 442 /* clear stall at first run, if any */ 443 mtx_lock(&sc->sc_mtx); 444 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 445 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 446 mtx_unlock(&sc->sc_mtx); 447 448 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 449 &ufoma_callback, &sc->sc_mtx); 450 if (error) { 451 DPRINTF("ucom_attach failed\n"); 452 goto detach; 453 } 454 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 455 456 /*Sysctls*/ 457 sctx = device_get_sysctl_ctx(dev); 458 soid = device_get_sysctl_tree(dev); 459 460 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 461 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 462 "A", "Supporting port role"); 463 464 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 465 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 466 "A", "Current port role"); 467 468 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 469 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 470 "A", "Mode to transit when port is opened"); 471 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 472 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 473 "Unit number as USB serial"); 474 475 return (0); /* success */ 476 477 detach: 478 ufoma_detach(dev); 479 return (ENXIO); /* failure */ 480 } 481 482 static int 483 ufoma_detach(device_t dev) 484 { 485 struct ufoma_softc *sc = device_get_softc(dev); 486 487 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 488 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 489 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 490 491 if (sc->sc_modetable) { 492 free(sc->sc_modetable, M_USBDEV); 493 } 494 cv_destroy(&sc->sc_cv); 495 496 device_claim_softc(dev); 497 498 ufoma_free_softc(sc); 499 500 return (0); 501 } 502 503 UCOM_UNLOAD_DRAIN(ufoma); 504 505 static void 506 ufoma_free_softc(struct ufoma_softc *sc) 507 { 508 if (ucom_unref(&sc->sc_super_ucom)) { 509 mtx_destroy(&sc->sc_mtx); 510 device_free_softc(sc); 511 } 512 } 513 514 static void 515 ufoma_free(struct ucom_softc *ucom) 516 { 517 ufoma_free_softc(ucom->sc_parent); 518 } 519 520 static void * 521 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 522 uint8_t type, uint8_t subtype) 523 { 524 struct usb_descriptor *desc = (void *)id; 525 526 while ((desc = usb_desc_foreach(cd, desc))) { 527 528 if (desc->bDescriptorType == UDESC_INTERFACE) { 529 return (NULL); 530 } 531 if ((desc->bDescriptorType == type) && 532 (desc->bDescriptorSubtype == subtype)) { 533 break; 534 } 535 } 536 return (desc); 537 } 538 539 static void 540 ufoma_cfg_link_state(struct ufoma_softc *sc) 541 { 542 struct usb_device_request req; 543 int32_t error; 544 545 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 546 req.bRequest = UMCPC_SET_LINK; 547 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 548 USETW(req.wIndex, sc->sc_ctrl_iface_no); 549 USETW(req.wLength, sc->sc_modetable[0]); 550 551 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 552 &req, sc->sc_modetable, 0, 1000); 553 554 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 555 556 if (error) { 557 DPRINTF("NO response\n"); 558 } 559 } 560 561 static void 562 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 563 { 564 struct usb_device_request req; 565 int32_t error; 566 567 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 568 req.bRequest = UMCPC_ACTIVATE_MODE; 569 USETW(req.wValue, state); 570 USETW(req.wIndex, sc->sc_ctrl_iface_no); 571 USETW(req.wLength, 0); 572 573 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 574 &req, NULL, 0, 1000); 575 576 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 577 (UFOMA_MAX_TIMEOUT * hz)); 578 if (error) { 579 DPRINTF("No response\n"); 580 } 581 } 582 583 static void 584 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 585 { 586 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 587 struct usb_device_request req; 588 struct usb_page_cache *pc0, *pc1; 589 int len, aframes, nframes; 590 591 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 592 593 switch (USB_GET_STATE(xfer)) { 594 case USB_ST_TRANSFERRED: 595 tr_transferred: 596 if (aframes != nframes) 597 goto tr_setup; 598 pc1 = usbd_xfer_get_frame(xfer, 1); 599 len = usbd_xfer_frame_len(xfer, 1); 600 if (len > 0) 601 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 602 /* FALLTHROUGH */ 603 case USB_ST_SETUP: 604 tr_setup: 605 if (sc->sc_num_msg) { 606 sc->sc_num_msg--; 607 608 req.bmRequestType = UT_READ_CLASS_INTERFACE; 609 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 610 USETW(req.wIndex, sc->sc_ctrl_iface_no); 611 USETW(req.wValue, 0); 612 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 613 614 pc0 = usbd_xfer_get_frame(xfer, 0); 615 usbd_copy_in(pc0, 0, &req, sizeof(req)); 616 617 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 618 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 619 usbd_xfer_set_frames(xfer, 2); 620 usbd_transfer_submit(xfer); 621 } 622 return; 623 624 default: /* Error */ 625 DPRINTF("error = %s\n", 626 usbd_errstr(error)); 627 628 if (error == USB_ERR_CANCELLED) { 629 return; 630 } 631 goto tr_transferred; 632 } 633 } 634 635 static void 636 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 637 { 638 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 639 struct usb_device_request req; 640 struct usb_page_cache *pc; 641 uint32_t actlen; 642 643 switch (USB_GET_STATE(xfer)) { 644 case USB_ST_TRANSFERRED: 645 tr_transferred: 646 case USB_ST_SETUP: 647 pc = usbd_xfer_get_frame(xfer, 1); 648 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 649 650 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 651 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 652 USETW(req.wIndex, sc->sc_ctrl_iface_no); 653 USETW(req.wValue, 0); 654 USETW(req.wLength, 1); 655 656 pc = usbd_xfer_get_frame(xfer, 0); 657 usbd_copy_in(pc, 0, &req, sizeof(req)); 658 659 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 660 usbd_xfer_set_frame_len(xfer, 1, 1); 661 usbd_xfer_set_frames(xfer, 2); 662 663 usbd_transfer_submit(xfer); 664 } 665 return; 666 667 default: /* Error */ 668 DPRINTF("error = %s\n", usbd_errstr(error)); 669 670 if (error == USB_ERR_CANCELLED) { 671 return; 672 } 673 goto tr_transferred; 674 } 675 } 676 677 static void 678 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) 679 { 680 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 681 struct usb_cdc_notification pkt; 682 struct usb_page_cache *pc; 683 uint16_t wLen; 684 uint16_t temp; 685 uint8_t mstatus; 686 int actlen; 687 688 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 689 690 switch (USB_GET_STATE(xfer)) { 691 case USB_ST_TRANSFERRED: 692 if (actlen < 8) { 693 DPRINTF("too short message\n"); 694 goto tr_setup; 695 } 696 if (actlen > (int)sizeof(pkt)) { 697 DPRINTF("truncating message\n"); 698 actlen = sizeof(pkt); 699 } 700 pc = usbd_xfer_get_frame(xfer, 0); 701 usbd_copy_out(pc, 0, &pkt, actlen); 702 703 actlen -= 8; 704 705 wLen = UGETW(pkt.wLength); 706 if (actlen > wLen) { 707 actlen = wLen; 708 } 709 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && 710 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { 711 temp = UGETW(pkt.wValue); 712 sc->sc_currentmode = (temp >> 8); 713 if (!(temp & 0xff)) { 714 DPRINTF("Mode change failed!\n"); 715 } 716 cv_signal(&sc->sc_cv); 717 } 718 if (pkt.bmRequestType != UCDC_NOTIFICATION) { 719 goto tr_setup; 720 } 721 switch (pkt.bNotification) { 722 case UCDC_N_RESPONSE_AVAILABLE: 723 if (!(sc->sc_nobulk)) { 724 DPRINTF("Wrong serial state!\n"); 725 break; 726 } 727 if (sc->sc_num_msg != 0xFF) { 728 sc->sc_num_msg++; 729 } 730 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 731 break; 732 733 case UCDC_N_SERIAL_STATE: 734 if (sc->sc_nobulk) { 735 DPRINTF("Wrong serial state!\n"); 736 break; 737 } 738 /* 739 * Set the serial state in ucom driver based on 740 * the bits from the notify message 741 */ 742 if (actlen < 2) { 743 DPRINTF("invalid notification " 744 "length, %d bytes!\n", actlen); 745 break; 746 } 747 DPRINTF("notify bytes = 0x%02x, 0x%02x\n", 748 pkt.data[0], pkt.data[1]); 749 750 /* currently, lsr is always zero. */ 751 sc->sc_lsr = 0; 752 sc->sc_msr = 0; 753 754 mstatus = pkt.data[0]; 755 756 if (mstatus & UCDC_N_SERIAL_RI) { 757 sc->sc_msr |= SER_RI; 758 } 759 if (mstatus & UCDC_N_SERIAL_DSR) { 760 sc->sc_msr |= SER_DSR; 761 } 762 if (mstatus & UCDC_N_SERIAL_DCD) { 763 sc->sc_msr |= SER_DCD; 764 } 765 ucom_status_change(&sc->sc_ucom); 766 break; 767 768 default: 769 break; 770 } 771 772 case USB_ST_SETUP: 773 tr_setup: 774 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 775 usbd_transfer_submit(xfer); 776 return; 777 778 default: /* Error */ 779 if (error != USB_ERR_CANCELLED) { 780 /* try to clear stall first */ 781 usbd_xfer_set_stall(xfer); 782 goto tr_setup; 783 } 784 return; 785 } 786 } 787 788 static void 789 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 790 { 791 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 792 struct usb_page_cache *pc; 793 uint32_t actlen; 794 795 switch (USB_GET_STATE(xfer)) { 796 case USB_ST_SETUP: 797 case USB_ST_TRANSFERRED: 798 tr_setup: 799 pc = usbd_xfer_get_frame(xfer, 0); 800 if (ucom_get_data(&sc->sc_ucom, pc, 0, 801 UFOMA_BULK_BUF_SIZE, &actlen)) { 802 usbd_xfer_set_frame_len(xfer, 0, actlen); 803 usbd_transfer_submit(xfer); 804 } 805 return; 806 807 default: /* Error */ 808 if (error != USB_ERR_CANCELLED) { 809 /* try to clear stall first */ 810 usbd_xfer_set_stall(xfer); 811 goto tr_setup; 812 } 813 return; 814 } 815 } 816 817 static void 818 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 819 { 820 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 821 struct usb_page_cache *pc; 822 int actlen; 823 824 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 825 826 switch (USB_GET_STATE(xfer)) { 827 case USB_ST_TRANSFERRED: 828 pc = usbd_xfer_get_frame(xfer, 0); 829 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 830 831 case USB_ST_SETUP: 832 tr_setup: 833 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 834 usbd_transfer_submit(xfer); 835 return; 836 837 default: /* Error */ 838 if (error != USB_ERR_CANCELLED) { 839 /* try to clear stall first */ 840 usbd_xfer_set_stall(xfer); 841 goto tr_setup; 842 } 843 return; 844 } 845 } 846 847 static void 848 ufoma_cfg_open(struct ucom_softc *ucom) 849 { 850 struct ufoma_softc *sc = ucom->sc_parent; 851 852 /* empty input queue */ 853 854 if (sc->sc_num_msg != 0xFF) { 855 sc->sc_num_msg++; 856 } 857 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { 858 ufoma_cfg_link_state(sc); 859 } 860 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { 861 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); 862 } 863 } 864 865 static void 866 ufoma_cfg_close(struct ucom_softc *ucom) 867 { 868 struct ufoma_softc *sc = ucom->sc_parent; 869 870 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 871 } 872 873 static void 874 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 875 { 876 struct ufoma_softc *sc = ucom->sc_parent; 877 struct usb_device_request req; 878 uint16_t wValue; 879 880 if (sc->sc_nobulk || 881 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 882 return; 883 } 884 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { 885 return; 886 } 887 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; 888 889 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 890 req.bRequest = UCDC_SEND_BREAK; 891 USETW(req.wValue, wValue); 892 req.wIndex[0] = sc->sc_ctrl_iface_no; 893 req.wIndex[1] = 0; 894 USETW(req.wLength, 0); 895 896 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 897 &req, NULL, 0, 1000); 898 } 899 900 static void 901 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 902 { 903 struct ufoma_softc *sc = ucom->sc_parent; 904 905 /* XXX Note: sc_lsr is always zero */ 906 *lsr = sc->sc_lsr; 907 *msr = sc->sc_msr; 908 } 909 910 static void 911 ufoma_cfg_set_line_state(struct ufoma_softc *sc) 912 { 913 struct usb_device_request req; 914 915 /* Don't send line state emulation request for OBEX port */ 916 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 917 return; 918 } 919 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 920 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 921 USETW(req.wValue, sc->sc_line); 922 req.wIndex[0] = sc->sc_ctrl_iface_no; 923 req.wIndex[1] = 0; 924 USETW(req.wLength, 0); 925 926 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 927 &req, NULL, 0, 1000); 928 } 929 930 static void 931 ufoma_cfg_set_dtr(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_DTR; 940 else 941 sc->sc_line &= ~UCDC_LINE_DTR; 942 943 ufoma_cfg_set_line_state(sc); 944 } 945 946 static void 947 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 948 { 949 struct ufoma_softc *sc = ucom->sc_parent; 950 951 if (sc->sc_nobulk) { 952 return; 953 } 954 if (onoff) 955 sc->sc_line |= UCDC_LINE_RTS; 956 else 957 sc->sc_line &= ~UCDC_LINE_RTS; 958 959 ufoma_cfg_set_line_state(sc); 960 } 961 962 static int 963 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 964 { 965 return (0); /* we accept anything */ 966 } 967 968 static void 969 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 970 { 971 struct ufoma_softc *sc = ucom->sc_parent; 972 struct usb_device_request req; 973 struct usb_cdc_line_state ls; 974 975 if (sc->sc_nobulk || 976 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 977 return; 978 } 979 DPRINTF("\n"); 980 981 memset(&ls, 0, sizeof(ls)); 982 983 USETDW(ls.dwDTERate, t->c_ospeed); 984 985 if (t->c_cflag & CSTOPB) { 986 ls.bCharFormat = UCDC_STOP_BIT_2; 987 } else { 988 ls.bCharFormat = UCDC_STOP_BIT_1; 989 } 990 991 if (t->c_cflag & PARENB) { 992 if (t->c_cflag & PARODD) { 993 ls.bParityType = UCDC_PARITY_ODD; 994 } else { 995 ls.bParityType = UCDC_PARITY_EVEN; 996 } 997 } else { 998 ls.bParityType = UCDC_PARITY_NONE; 999 } 1000 1001 switch (t->c_cflag & CSIZE) { 1002 case CS5: 1003 ls.bDataBits = 5; 1004 break; 1005 case CS6: 1006 ls.bDataBits = 6; 1007 break; 1008 case CS7: 1009 ls.bDataBits = 7; 1010 break; 1011 case CS8: 1012 ls.bDataBits = 8; 1013 break; 1014 } 1015 1016 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1017 req.bRequest = UCDC_SET_LINE_CODING; 1018 USETW(req.wValue, 0); 1019 req.wIndex[0] = sc->sc_ctrl_iface_no; 1020 req.wIndex[1] = 0; 1021 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1022 1023 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1024 &req, &ls, 0, 1000); 1025 } 1026 1027 static int 1028 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1029 struct usb_attach_arg *uaa) 1030 { 1031 struct usb_config_descriptor *cd; 1032 struct usb_cdc_acm_descriptor *acm; 1033 struct usb_cdc_cm_descriptor *cmd; 1034 struct usb_interface_descriptor *id; 1035 struct usb_interface *iface; 1036 uint8_t i; 1037 int32_t error; 1038 1039 cd = usbd_get_config_descriptor(uaa->device); 1040 id = usbd_get_interface_descriptor(uaa->iface); 1041 1042 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1043 1044 if ((cmd == NULL) || 1045 (cmd->bLength < sizeof(*cmd))) { 1046 return (EINVAL); 1047 } 1048 sc->sc_cm_cap = cmd->bmCapabilities; 1049 sc->sc_data_iface_no = cmd->bDataInterface; 1050 1051 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1052 1053 if ((acm == NULL) || 1054 (acm->bLength < sizeof(*acm))) { 1055 return (EINVAL); 1056 } 1057 sc->sc_acm_cap = acm->bmCapabilities; 1058 1059 device_printf(dev, "data interface %d, has %sCM over data, " 1060 "has %sbreak\n", 1061 sc->sc_data_iface_no, 1062 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1063 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1064 1065 /* get the data interface too */ 1066 1067 for (i = 0;; i++) { 1068 1069 iface = usbd_get_iface(uaa->device, i); 1070 1071 if (iface) { 1072 1073 id = usbd_get_interface_descriptor(iface); 1074 1075 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { 1076 sc->sc_data_iface_index = i; 1077 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 1078 break; 1079 } 1080 } else { 1081 device_printf(dev, "no data interface\n"); 1082 return (EINVAL); 1083 } 1084 } 1085 1086 error = usbd_transfer_setup(uaa->device, 1087 &sc->sc_data_iface_index, sc->sc_bulk_xfer, 1088 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1089 1090 if (error) { 1091 device_printf(dev, "allocating BULK USB " 1092 "transfers failed\n"); 1093 return (EINVAL); 1094 } 1095 return (0); 1096 } 1097 1098 static void 1099 ufoma_start_read(struct ucom_softc *ucom) 1100 { 1101 struct ufoma_softc *sc = ucom->sc_parent; 1102 1103 /* start interrupt transfer */ 1104 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1105 1106 /* start data transfer */ 1107 if (sc->sc_nobulk) { 1108 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1109 } else { 1110 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1111 } 1112 } 1113 1114 static void 1115 ufoma_stop_read(struct ucom_softc *ucom) 1116 { 1117 struct ufoma_softc *sc = ucom->sc_parent; 1118 1119 /* stop interrupt transfer */ 1120 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1121 1122 /* stop data transfer */ 1123 if (sc->sc_nobulk) { 1124 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1125 } else { 1126 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1127 } 1128 } 1129 1130 static void 1131 ufoma_start_write(struct ucom_softc *ucom) 1132 { 1133 struct ufoma_softc *sc = ucom->sc_parent; 1134 1135 if (sc->sc_nobulk) { 1136 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1137 } else { 1138 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1139 } 1140 } 1141 1142 static void 1143 ufoma_stop_write(struct ucom_softc *ucom) 1144 { 1145 struct ufoma_softc *sc = ucom->sc_parent; 1146 1147 if (sc->sc_nobulk) { 1148 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1149 } else { 1150 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1151 } 1152 } 1153 1154 static struct umcpc_modetostr_tab{ 1155 int mode; 1156 char *str; 1157 }umcpc_modetostr_tab[]={ 1158 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 1159 {UMCPC_ACM_MODE_MODEM, "modem"}, 1160 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 1161 {UMCPC_ACM_MODE_OBEX, "obex"}, 1162 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 1163 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 1164 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 1165 {0, NULL} 1166 }; 1167 1168 static char *ufoma_mode_to_str(int mode) 1169 { 1170 int i; 1171 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1172 if(umcpc_modetostr_tab[i].mode == mode){ 1173 return umcpc_modetostr_tab[i].str; 1174 } 1175 } 1176 return NULL; 1177 } 1178 1179 static int ufoma_str_to_mode(char *str) 1180 { 1181 int i; 1182 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1183 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 1184 return umcpc_modetostr_tab[i].mode; 1185 } 1186 } 1187 return -1; 1188 } 1189 1190 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1191 { 1192 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1193 struct sbuf sb; 1194 int i; 1195 char *mode; 1196 1197 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1198 for(i = 1; i < sc->sc_modetable[0]; i++){ 1199 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1200 if(mode !=NULL){ 1201 sbuf_cat(&sb, mode); 1202 }else{ 1203 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1204 } 1205 if(i < (sc->sc_modetable[0]-1)) 1206 sbuf_cat(&sb, ","); 1207 } 1208 sbuf_trim(&sb); 1209 sbuf_finish(&sb); 1210 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1211 sbuf_delete(&sb); 1212 1213 return 0; 1214 } 1215 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1216 { 1217 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1218 char *mode; 1219 char subbuf[]="(XXX)"; 1220 mode = ufoma_mode_to_str(sc->sc_currentmode); 1221 if(!mode){ 1222 mode = subbuf; 1223 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1224 } 1225 sysctl_handle_string(oidp, mode, strlen(mode), req); 1226 1227 return 0; 1228 1229 } 1230 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1231 { 1232 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1233 char *mode; 1234 char subbuf[40]; 1235 int newmode; 1236 int error; 1237 int i; 1238 1239 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1240 if(mode){ 1241 strncpy(subbuf, mode, sizeof(subbuf)); 1242 }else{ 1243 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1244 } 1245 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1246 if(error != 0 || req->newptr == NULL){ 1247 return error; 1248 } 1249 1250 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1251 return EINVAL; 1252 } 1253 1254 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1255 if(sc->sc_modetable[i] == newmode){ 1256 sc->sc_modetoactivate = newmode; 1257 return 0; 1258 } 1259 } 1260 1261 return EINVAL; 1262 } 1263 1264 static void 1265 ufoma_poll(struct ucom_softc *ucom) 1266 { 1267 struct ufoma_softc *sc = ucom->sc_parent; 1268 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 1269 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 1270 } 1271