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 [UFOMA_CTRL_ENDPT_INTR] = { 237 .type = UE_INTERRUPT, 238 .endpoint = UE_ADDR_ANY, 239 .direction = UE_DIR_IN, 240 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 241 .bufsize = sizeof(struct usb_cdc_notification), 242 .callback = &ufoma_intr_callback, 243 }, 244 245 [UFOMA_CTRL_ENDPT_READ] = { 246 .type = UE_CONTROL, 247 .endpoint = 0x00, /* Control pipe */ 248 .direction = UE_DIR_ANY, 249 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), 250 .flags = {.short_xfer_ok = 1,}, 251 .callback = &ufoma_ctrl_read_callback, 252 .timeout = 1000, /* 1 second */ 253 }, 254 255 [UFOMA_CTRL_ENDPT_WRITE] = { 256 .type = UE_CONTROL, 257 .endpoint = 0x00, /* Control pipe */ 258 .direction = UE_DIR_ANY, 259 .bufsize = (sizeof(struct usb_device_request) + 1), 260 .callback = &ufoma_ctrl_write_callback, 261 .timeout = 1000, /* 1 second */ 262 }, 263 }; 264 265 static const struct usb_config 266 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { 267 [UFOMA_BULK_ENDPT_WRITE] = { 268 .type = UE_BULK, 269 .endpoint = UE_ADDR_ANY, 270 .direction = UE_DIR_OUT, 271 .bufsize = UFOMA_BULK_BUF_SIZE, 272 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 273 .callback = &ufoma_bulk_write_callback, 274 }, 275 276 [UFOMA_BULK_ENDPT_READ] = { 277 .type = UE_BULK, 278 .endpoint = UE_ADDR_ANY, 279 .direction = UE_DIR_IN, 280 .bufsize = UFOMA_BULK_BUF_SIZE, 281 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 282 .callback = &ufoma_bulk_read_callback, 283 }, 284 }; 285 286 static const struct ucom_callback ufoma_callback = { 287 .ucom_cfg_get_status = &ufoma_cfg_get_status, 288 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, 289 .ucom_cfg_set_rts = &ufoma_cfg_set_rts, 290 .ucom_cfg_set_break = &ufoma_cfg_set_break, 291 .ucom_cfg_param = &ufoma_cfg_param, 292 .ucom_cfg_open = &ufoma_cfg_open, 293 .ucom_cfg_close = &ufoma_cfg_close, 294 .ucom_pre_param = &ufoma_pre_param, 295 .ucom_start_read = &ufoma_start_read, 296 .ucom_stop_read = &ufoma_stop_read, 297 .ucom_start_write = &ufoma_start_write, 298 .ucom_stop_write = &ufoma_stop_write, 299 .ucom_poll = &ufoma_poll, 300 .ucom_free = &ufoma_free, 301 }; 302 303 static device_method_t ufoma_methods[] = { 304 /* Device methods */ 305 DEVMETHOD(device_probe, ufoma_probe), 306 DEVMETHOD(device_attach, ufoma_attach), 307 DEVMETHOD(device_detach, ufoma_detach), 308 DEVMETHOD_END 309 }; 310 311 static devclass_t ufoma_devclass; 312 313 static driver_t ufoma_driver = { 314 .name = "ufoma", 315 .methods = ufoma_methods, 316 .size = sizeof(struct ufoma_softc), 317 }; 318 319 static const STRUCT_USB_HOST_ID ufoma_devs[] = { 320 {USB_IFACE_CLASS(UICLASS_CDC), 321 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, 322 }; 323 324 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0); 325 MODULE_DEPEND(ufoma, ucom, 1, 1, 1); 326 MODULE_DEPEND(ufoma, usb, 1, 1, 1); 327 MODULE_VERSION(ufoma, 1); 328 USB_PNP_HOST_INFO(ufoma_devs); 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 int error; 338 339 if (uaa->usb_mode != USB_MODE_HOST) 340 return (ENXIO); 341 342 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); 343 if (error) 344 return (error); 345 346 id = usbd_get_interface_descriptor(uaa->iface); 347 cd = usbd_get_config_descriptor(uaa->device); 348 349 if (id == NULL || cd == NULL) 350 return (ENXIO); 351 352 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 353 if (mad == NULL) 354 return (ENXIO); 355 356 #ifndef UFOMA_HANDSFREE 357 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 358 (mad->bType == UMCPC_ACM_TYPE_AB6)) 359 return (ENXIO); 360 #endif 361 return (BUS_PROBE_GENERIC); 362 } 363 364 static int 365 ufoma_attach(device_t dev) 366 { 367 struct usb_attach_arg *uaa = device_get_ivars(dev); 368 struct ufoma_softc *sc = device_get_softc(dev); 369 struct usb_config_descriptor *cd; 370 struct usb_interface_descriptor *id; 371 struct sysctl_ctx_list *sctx; 372 struct sysctl_oid *soid; 373 374 usb_mcpc_acm_descriptor *mad; 375 uint8_t elements; 376 int32_t error; 377 378 sc->sc_udev = uaa->device; 379 sc->sc_dev = dev; 380 sc->sc_unit = device_get_unit(dev); 381 382 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 383 ucom_ref(&sc->sc_super_ucom); 384 cv_init(&sc->sc_cv, "CWAIT"); 385 386 device_set_usb_desc(dev); 387 388 DPRINTF("\n"); 389 390 /* setup control transfers */ 391 392 cd = usbd_get_config_descriptor(uaa->device); 393 id = usbd_get_interface_descriptor(uaa->iface); 394 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 395 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; 396 397 error = usbd_transfer_setup(uaa->device, 398 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, 399 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); 400 401 if (error) { 402 device_printf(dev, "allocating control USB " 403 "transfers failed\n"); 404 goto detach; 405 } 406 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 407 if (mad == NULL) { 408 goto detach; 409 } 410 if (mad->bFunctionLength < sizeof(*mad)) { 411 device_printf(dev, "invalid MAD descriptor\n"); 412 goto detach; 413 } 414 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 415 (mad->bType == UMCPC_ACM_TYPE_AB6)) { 416 sc->sc_nobulk = 1; 417 } else { 418 sc->sc_nobulk = 0; 419 if (ufoma_modem_setup(dev, sc, uaa)) { 420 goto detach; 421 } 422 } 423 424 elements = (mad->bFunctionLength - sizeof(*mad) + 1); 425 426 /* initialize mode variables */ 427 428 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 429 430 if (sc->sc_modetable == NULL) { 431 goto detach; 432 } 433 sc->sc_modetable[0] = (elements + 1); 434 memcpy(&sc->sc_modetable[1], mad->bMode, elements); 435 436 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 437 sc->sc_modetoactivate = mad->bMode[0]; 438 439 /* clear stall at first run, if any */ 440 mtx_lock(&sc->sc_mtx); 441 usbd_xfer_set_zlp(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 442 mtx_unlock(&sc->sc_mtx); 443 444 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 445 &ufoma_callback, &sc->sc_mtx); 446 if (error) { 447 DPRINTF("ucom_attach failed\n"); 448 goto detach; 449 } 450 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 451 452 /*Sysctls*/ 453 sctx = device_get_sysctl_ctx(dev); 454 soid = device_get_sysctl_tree(dev); 455 456 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 457 CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, 458 ufoma_sysctl_support, "A", "Supporting port role"); 459 460 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 461 CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, 462 ufoma_sysctl_current, "A", "Current port role"); 463 464 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 465 CTLFLAG_RW | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, 466 ufoma_sysctl_open, "A", "Mode to transit when port is opened"); 467 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 468 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 469 "Unit number as USB serial"); 470 471 return (0); /* success */ 472 473 detach: 474 ufoma_detach(dev); 475 return (ENXIO); /* failure */ 476 } 477 478 static int 479 ufoma_detach(device_t dev) 480 { 481 struct ufoma_softc *sc = device_get_softc(dev); 482 483 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 484 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 485 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 486 487 if (sc->sc_modetable) { 488 free(sc->sc_modetable, M_USBDEV); 489 } 490 cv_destroy(&sc->sc_cv); 491 492 device_claim_softc(dev); 493 494 ufoma_free_softc(sc); 495 496 return (0); 497 } 498 499 UCOM_UNLOAD_DRAIN(ufoma); 500 501 static void 502 ufoma_free_softc(struct ufoma_softc *sc) 503 { 504 if (ucom_unref(&sc->sc_super_ucom)) { 505 mtx_destroy(&sc->sc_mtx); 506 device_free_softc(sc); 507 } 508 } 509 510 static void 511 ufoma_free(struct ucom_softc *ucom) 512 { 513 ufoma_free_softc(ucom->sc_parent); 514 } 515 516 static void * 517 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 518 uint8_t type, uint8_t subtype) 519 { 520 struct usb_descriptor *desc = (void *)id; 521 522 while ((desc = usb_desc_foreach(cd, desc))) { 523 if (desc->bDescriptorType == UDESC_INTERFACE) { 524 return (NULL); 525 } 526 if ((desc->bDescriptorType == type) && 527 (desc->bDescriptorSubtype == subtype)) { 528 break; 529 } 530 } 531 return (desc); 532 } 533 534 static void 535 ufoma_cfg_link_state(struct ufoma_softc *sc) 536 { 537 struct usb_device_request req; 538 int32_t error; 539 540 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 541 req.bRequest = UMCPC_SET_LINK; 542 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 543 USETW(req.wIndex, sc->sc_ctrl_iface_no); 544 USETW(req.wLength, sc->sc_modetable[0]); 545 546 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 547 &req, sc->sc_modetable, 0, 1000); 548 549 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 550 551 if (error) { 552 DPRINTF("NO response\n"); 553 } 554 } 555 556 static void 557 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 558 { 559 struct usb_device_request req; 560 int32_t error; 561 562 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 563 req.bRequest = UMCPC_ACTIVATE_MODE; 564 USETW(req.wValue, state); 565 USETW(req.wIndex, sc->sc_ctrl_iface_no); 566 USETW(req.wLength, 0); 567 568 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 569 &req, NULL, 0, 1000); 570 571 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 572 (UFOMA_MAX_TIMEOUT * hz)); 573 if (error) { 574 DPRINTF("No response\n"); 575 } 576 } 577 578 static void 579 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 580 { 581 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 582 struct usb_device_request req; 583 struct usb_page_cache *pc0, *pc1; 584 int len, aframes, nframes; 585 586 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 587 588 switch (USB_GET_STATE(xfer)) { 589 case USB_ST_TRANSFERRED: 590 tr_transferred: 591 if (aframes != nframes) 592 goto tr_setup; 593 pc1 = usbd_xfer_get_frame(xfer, 1); 594 len = usbd_xfer_frame_len(xfer, 1); 595 if (len > 0) 596 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 597 /* FALLTHROUGH */ 598 case USB_ST_SETUP: 599 tr_setup: 600 if (sc->sc_num_msg) { 601 sc->sc_num_msg--; 602 603 req.bmRequestType = UT_READ_CLASS_INTERFACE; 604 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 605 USETW(req.wIndex, sc->sc_ctrl_iface_no); 606 USETW(req.wValue, 0); 607 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 608 609 pc0 = usbd_xfer_get_frame(xfer, 0); 610 usbd_copy_in(pc0, 0, &req, sizeof(req)); 611 612 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 613 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 614 usbd_xfer_set_frames(xfer, 2); 615 usbd_transfer_submit(xfer); 616 } 617 return; 618 619 default: /* Error */ 620 DPRINTF("error = %s\n", 621 usbd_errstr(error)); 622 623 if (error == USB_ERR_CANCELLED) { 624 return; 625 } 626 goto tr_transferred; 627 } 628 } 629 630 static void 631 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 632 { 633 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 634 struct usb_device_request req; 635 struct usb_page_cache *pc; 636 uint32_t actlen; 637 638 switch (USB_GET_STATE(xfer)) { 639 case USB_ST_TRANSFERRED: 640 tr_transferred: 641 case USB_ST_SETUP: 642 pc = usbd_xfer_get_frame(xfer, 1); 643 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 644 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 645 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 646 USETW(req.wIndex, sc->sc_ctrl_iface_no); 647 USETW(req.wValue, 0); 648 USETW(req.wLength, 1); 649 650 pc = usbd_xfer_get_frame(xfer, 0); 651 usbd_copy_in(pc, 0, &req, sizeof(req)); 652 653 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 654 usbd_xfer_set_frame_len(xfer, 1, 1); 655 usbd_xfer_set_frames(xfer, 2); 656 657 usbd_transfer_submit(xfer); 658 } 659 return; 660 661 default: /* Error */ 662 DPRINTF("error = %s\n", usbd_errstr(error)); 663 664 if (error == USB_ERR_CANCELLED) { 665 return; 666 } 667 goto tr_transferred; 668 } 669 } 670 671 static void 672 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) 673 { 674 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 675 struct usb_cdc_notification pkt; 676 struct usb_page_cache *pc; 677 uint16_t wLen; 678 uint16_t temp; 679 uint8_t mstatus; 680 int actlen; 681 682 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 683 684 switch (USB_GET_STATE(xfer)) { 685 case USB_ST_TRANSFERRED: 686 if (actlen < 8) { 687 DPRINTF("too short message\n"); 688 goto tr_setup; 689 } 690 if (actlen > (int)sizeof(pkt)) { 691 DPRINTF("truncating message\n"); 692 actlen = sizeof(pkt); 693 } 694 pc = usbd_xfer_get_frame(xfer, 0); 695 usbd_copy_out(pc, 0, &pkt, actlen); 696 697 actlen -= 8; 698 699 wLen = UGETW(pkt.wLength); 700 if (actlen > wLen) { 701 actlen = wLen; 702 } 703 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && 704 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { 705 temp = UGETW(pkt.wValue); 706 sc->sc_currentmode = (temp >> 8); 707 if (!(temp & 0xff)) { 708 DPRINTF("Mode change failed!\n"); 709 } 710 cv_signal(&sc->sc_cv); 711 } 712 if (pkt.bmRequestType != UCDC_NOTIFICATION) { 713 goto tr_setup; 714 } 715 switch (pkt.bNotification) { 716 case UCDC_N_RESPONSE_AVAILABLE: 717 if (!(sc->sc_nobulk)) { 718 DPRINTF("Wrong serial state!\n"); 719 break; 720 } 721 if (sc->sc_num_msg != 0xFF) { 722 sc->sc_num_msg++; 723 } 724 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 725 break; 726 727 case UCDC_N_SERIAL_STATE: 728 if (sc->sc_nobulk) { 729 DPRINTF("Wrong serial state!\n"); 730 break; 731 } 732 /* 733 * Set the serial state in ucom driver based on 734 * the bits from the notify message 735 */ 736 if (actlen < 2) { 737 DPRINTF("invalid notification " 738 "length, %d bytes!\n", actlen); 739 break; 740 } 741 DPRINTF("notify bytes = 0x%02x, 0x%02x\n", 742 pkt.data[0], pkt.data[1]); 743 744 /* currently, lsr is always zero. */ 745 sc->sc_lsr = 0; 746 sc->sc_msr = 0; 747 748 mstatus = pkt.data[0]; 749 750 if (mstatus & UCDC_N_SERIAL_RI) { 751 sc->sc_msr |= SER_RI; 752 } 753 if (mstatus & UCDC_N_SERIAL_DSR) { 754 sc->sc_msr |= SER_DSR; 755 } 756 if (mstatus & UCDC_N_SERIAL_DCD) { 757 sc->sc_msr |= SER_DCD; 758 } 759 ucom_status_change(&sc->sc_ucom); 760 break; 761 762 default: 763 break; 764 } 765 766 case USB_ST_SETUP: 767 tr_setup: 768 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 769 usbd_transfer_submit(xfer); 770 return; 771 772 default: /* Error */ 773 if (error != USB_ERR_CANCELLED) { 774 /* try to clear stall first */ 775 usbd_xfer_set_stall(xfer); 776 goto tr_setup; 777 } 778 return; 779 } 780 } 781 782 static void 783 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 784 { 785 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 786 struct usb_page_cache *pc; 787 uint32_t actlen; 788 789 switch (USB_GET_STATE(xfer)) { 790 case USB_ST_SETUP: 791 case USB_ST_TRANSFERRED: 792 tr_setup: 793 if (usbd_xfer_get_and_clr_zlp(xfer)) 794 break; 795 796 pc = usbd_xfer_get_frame(xfer, 0); 797 if (ucom_get_data(&sc->sc_ucom, pc, 0, 798 UFOMA_BULK_BUF_SIZE, &actlen)) { 799 usbd_xfer_set_frame_len(xfer, 0, actlen); 800 usbd_transfer_submit(xfer); 801 } 802 break; 803 804 default: /* Error */ 805 if (error != USB_ERR_CANCELLED) { 806 /* try to clear stall first */ 807 usbd_xfer_set_stall(xfer); 808 goto tr_setup; 809 } 810 break; 811 } 812 } 813 814 static void 815 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 816 { 817 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 818 struct usb_page_cache *pc; 819 int actlen; 820 821 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 822 823 switch (USB_GET_STATE(xfer)) { 824 case USB_ST_TRANSFERRED: 825 pc = usbd_xfer_get_frame(xfer, 0); 826 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 827 828 case USB_ST_SETUP: 829 tr_setup: 830 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 831 usbd_transfer_submit(xfer); 832 return; 833 834 default: /* Error */ 835 if (error != USB_ERR_CANCELLED) { 836 /* try to clear stall first */ 837 usbd_xfer_set_stall(xfer); 838 goto tr_setup; 839 } 840 return; 841 } 842 } 843 844 static void 845 ufoma_cfg_open(struct ucom_softc *ucom) 846 { 847 struct ufoma_softc *sc = ucom->sc_parent; 848 849 /* empty input queue */ 850 851 if (sc->sc_num_msg != 0xFF) { 852 sc->sc_num_msg++; 853 } 854 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { 855 ufoma_cfg_link_state(sc); 856 } 857 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { 858 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); 859 } 860 } 861 862 static void 863 ufoma_cfg_close(struct ucom_softc *ucom) 864 { 865 struct ufoma_softc *sc = ucom->sc_parent; 866 867 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 868 } 869 870 static void 871 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 872 { 873 struct ufoma_softc *sc = ucom->sc_parent; 874 struct usb_device_request req; 875 uint16_t wValue; 876 877 if (sc->sc_nobulk || 878 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 879 return; 880 } 881 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { 882 return; 883 } 884 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; 885 886 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 887 req.bRequest = UCDC_SEND_BREAK; 888 USETW(req.wValue, wValue); 889 req.wIndex[0] = sc->sc_ctrl_iface_no; 890 req.wIndex[1] = 0; 891 USETW(req.wLength, 0); 892 893 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 894 &req, NULL, 0, 1000); 895 } 896 897 static void 898 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 899 { 900 struct ufoma_softc *sc = ucom->sc_parent; 901 902 /* XXX Note: sc_lsr is always zero */ 903 *lsr = sc->sc_lsr; 904 *msr = sc->sc_msr; 905 } 906 907 static void 908 ufoma_cfg_set_line_state(struct ufoma_softc *sc) 909 { 910 struct usb_device_request req; 911 912 /* Don't send line state emulation request for OBEX port */ 913 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 914 return; 915 } 916 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 917 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 918 USETW(req.wValue, sc->sc_line); 919 req.wIndex[0] = sc->sc_ctrl_iface_no; 920 req.wIndex[1] = 0; 921 USETW(req.wLength, 0); 922 923 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 924 &req, NULL, 0, 1000); 925 } 926 927 static void 928 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 929 { 930 struct ufoma_softc *sc = ucom->sc_parent; 931 932 if (sc->sc_nobulk) { 933 return; 934 } 935 if (onoff) 936 sc->sc_line |= UCDC_LINE_DTR; 937 else 938 sc->sc_line &= ~UCDC_LINE_DTR; 939 940 ufoma_cfg_set_line_state(sc); 941 } 942 943 static void 944 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 945 { 946 struct ufoma_softc *sc = ucom->sc_parent; 947 948 if (sc->sc_nobulk) { 949 return; 950 } 951 if (onoff) 952 sc->sc_line |= UCDC_LINE_RTS; 953 else 954 sc->sc_line &= ~UCDC_LINE_RTS; 955 956 ufoma_cfg_set_line_state(sc); 957 } 958 959 static int 960 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 961 { 962 return (0); /* we accept anything */ 963 } 964 965 static void 966 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 967 { 968 struct ufoma_softc *sc = ucom->sc_parent; 969 struct usb_device_request req; 970 struct usb_cdc_line_state ls; 971 972 if (sc->sc_nobulk || 973 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 974 return; 975 } 976 DPRINTF("\n"); 977 978 memset(&ls, 0, sizeof(ls)); 979 980 USETDW(ls.dwDTERate, t->c_ospeed); 981 982 if (t->c_cflag & CSTOPB) { 983 ls.bCharFormat = UCDC_STOP_BIT_2; 984 } else { 985 ls.bCharFormat = UCDC_STOP_BIT_1; 986 } 987 988 if (t->c_cflag & PARENB) { 989 if (t->c_cflag & PARODD) { 990 ls.bParityType = UCDC_PARITY_ODD; 991 } else { 992 ls.bParityType = UCDC_PARITY_EVEN; 993 } 994 } else { 995 ls.bParityType = UCDC_PARITY_NONE; 996 } 997 998 switch (t->c_cflag & CSIZE) { 999 case CS5: 1000 ls.bDataBits = 5; 1001 break; 1002 case CS6: 1003 ls.bDataBits = 6; 1004 break; 1005 case CS7: 1006 ls.bDataBits = 7; 1007 break; 1008 case CS8: 1009 ls.bDataBits = 8; 1010 break; 1011 } 1012 1013 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1014 req.bRequest = UCDC_SET_LINE_CODING; 1015 USETW(req.wValue, 0); 1016 req.wIndex[0] = sc->sc_ctrl_iface_no; 1017 req.wIndex[1] = 0; 1018 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1019 1020 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1021 &req, &ls, 0, 1000); 1022 } 1023 1024 static int 1025 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1026 struct usb_attach_arg *uaa) 1027 { 1028 struct usb_config_descriptor *cd; 1029 struct usb_cdc_acm_descriptor *acm; 1030 struct usb_cdc_cm_descriptor *cmd; 1031 struct usb_interface_descriptor *id; 1032 struct usb_interface *iface; 1033 uint8_t i; 1034 int32_t error; 1035 1036 cd = usbd_get_config_descriptor(uaa->device); 1037 id = usbd_get_interface_descriptor(uaa->iface); 1038 1039 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1040 1041 if ((cmd == NULL) || 1042 (cmd->bLength < sizeof(*cmd))) { 1043 return (EINVAL); 1044 } 1045 sc->sc_cm_cap = cmd->bmCapabilities; 1046 sc->sc_data_iface_no = cmd->bDataInterface; 1047 1048 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1049 1050 if ((acm == NULL) || 1051 (acm->bLength < sizeof(*acm))) { 1052 return (EINVAL); 1053 } 1054 sc->sc_acm_cap = acm->bmCapabilities; 1055 1056 device_printf(dev, "data interface %d, has %sCM over data, " 1057 "has %sbreak\n", 1058 sc->sc_data_iface_no, 1059 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1060 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1061 1062 /* get the data interface too */ 1063 1064 for (i = 0;; i++) { 1065 iface = usbd_get_iface(uaa->device, i); 1066 1067 if (iface) { 1068 id = usbd_get_interface_descriptor(iface); 1069 1070 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { 1071 sc->sc_data_iface_index = i; 1072 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 1073 break; 1074 } 1075 } else { 1076 device_printf(dev, "no data interface\n"); 1077 return (EINVAL); 1078 } 1079 } 1080 1081 error = usbd_transfer_setup(uaa->device, 1082 &sc->sc_data_iface_index, sc->sc_bulk_xfer, 1083 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1084 1085 if (error) { 1086 device_printf(dev, "allocating BULK USB " 1087 "transfers failed\n"); 1088 return (EINVAL); 1089 } 1090 return (0); 1091 } 1092 1093 static void 1094 ufoma_start_read(struct ucom_softc *ucom) 1095 { 1096 struct ufoma_softc *sc = ucom->sc_parent; 1097 1098 /* start interrupt transfer */ 1099 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1100 1101 /* start data transfer */ 1102 if (sc->sc_nobulk) { 1103 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1104 } else { 1105 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1106 } 1107 } 1108 1109 static void 1110 ufoma_stop_read(struct ucom_softc *ucom) 1111 { 1112 struct ufoma_softc *sc = ucom->sc_parent; 1113 1114 /* stop interrupt transfer */ 1115 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1116 1117 /* stop data transfer */ 1118 if (sc->sc_nobulk) { 1119 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1120 } else { 1121 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1122 } 1123 } 1124 1125 static void 1126 ufoma_start_write(struct ucom_softc *ucom) 1127 { 1128 struct ufoma_softc *sc = ucom->sc_parent; 1129 1130 if (sc->sc_nobulk) { 1131 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1132 } else { 1133 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1134 } 1135 } 1136 1137 static void 1138 ufoma_stop_write(struct ucom_softc *ucom) 1139 { 1140 struct ufoma_softc *sc = ucom->sc_parent; 1141 1142 if (sc->sc_nobulk) { 1143 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1144 } else { 1145 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1146 } 1147 } 1148 1149 static struct umcpc_modetostr_tab{ 1150 int mode; 1151 char *str; 1152 }umcpc_modetostr_tab[]={ 1153 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 1154 {UMCPC_ACM_MODE_MODEM, "modem"}, 1155 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 1156 {UMCPC_ACM_MODE_OBEX, "obex"}, 1157 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 1158 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 1159 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 1160 {0, NULL} 1161 }; 1162 1163 static char *ufoma_mode_to_str(int mode) 1164 { 1165 int i; 1166 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1167 if(umcpc_modetostr_tab[i].mode == mode){ 1168 return umcpc_modetostr_tab[i].str; 1169 } 1170 } 1171 return NULL; 1172 } 1173 1174 static int ufoma_str_to_mode(char *str) 1175 { 1176 int i; 1177 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1178 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 1179 return umcpc_modetostr_tab[i].mode; 1180 } 1181 } 1182 return -1; 1183 } 1184 1185 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1186 { 1187 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1188 struct sbuf sb; 1189 int i; 1190 char *mode; 1191 1192 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1193 for(i = 1; i < sc->sc_modetable[0]; i++){ 1194 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1195 if(mode !=NULL){ 1196 sbuf_cat(&sb, mode); 1197 }else{ 1198 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1199 } 1200 if(i < (sc->sc_modetable[0]-1)) 1201 sbuf_cat(&sb, ","); 1202 } 1203 sbuf_trim(&sb); 1204 sbuf_finish(&sb); 1205 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1206 sbuf_delete(&sb); 1207 1208 return 0; 1209 } 1210 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1211 { 1212 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1213 char *mode; 1214 char subbuf[]="(XXX)"; 1215 mode = ufoma_mode_to_str(sc->sc_currentmode); 1216 if(!mode){ 1217 mode = subbuf; 1218 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1219 } 1220 sysctl_handle_string(oidp, mode, strlen(mode), req); 1221 1222 return 0; 1223 1224 } 1225 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1226 { 1227 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1228 char *mode; 1229 char subbuf[40]; 1230 int newmode; 1231 int error; 1232 int i; 1233 1234 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1235 if(mode){ 1236 strncpy(subbuf, mode, sizeof(subbuf)); 1237 }else{ 1238 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1239 } 1240 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1241 if(error != 0 || req->newptr == NULL){ 1242 return error; 1243 } 1244 1245 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1246 return EINVAL; 1247 } 1248 1249 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1250 if(sc->sc_modetable[i] == newmode){ 1251 sc->sc_modetoactivate = newmode; 1252 return 0; 1253 } 1254 } 1255 1256 return EINVAL; 1257 } 1258 1259 static void 1260 ufoma_poll(struct ucom_softc *ucom) 1261 { 1262 struct ufoma_softc *sc = ucom->sc_parent; 1263 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 1264 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 1265 } 1266