1 /* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */ 2 3 #include <sys/cdefs.h> 4 __FBSDID("$FreeBSD$"); 5 #define UFOMA_HANDSFREE 6 /*- 7 * Copyright (c) 2005, Takanori Watanabe 8 * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 /*- 34 * Copyright (c) 1998 The NetBSD Foundation, Inc. 35 * All rights reserved. 36 * 37 * This code is derived from software contributed to The NetBSD Foundation 38 * by Lennart Augustsson (lennart@augustsson.net) at 39 * Carlstedt Research & Technology. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the NetBSD 52 * Foundation, Inc. and its contributors. 53 * 4. Neither the name of The NetBSD Foundation nor the names of its 54 * contributors may be used to endorse or promote products derived 55 * from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 58 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 59 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 60 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 61 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 62 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 63 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 64 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 65 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 66 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 67 * POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 /* 71 * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 72 * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 73 */ 74 75 /* 76 * TODO: 77 * - Implement a Call Device for modems without multiplexed commands. 78 */ 79 80 /* 81 * NOTE: all function names beginning like "ufoma_cfg_" can only 82 * be called from within the config thread function ! 83 */ 84 85 #include <sys/stdint.h> 86 #include <sys/stddef.h> 87 #include <sys/param.h> 88 #include <sys/queue.h> 89 #include <sys/types.h> 90 #include <sys/systm.h> 91 #include <sys/kernel.h> 92 #include <sys/bus.h> 93 #include <sys/module.h> 94 #include <sys/lock.h> 95 #include <sys/mutex.h> 96 #include <sys/condvar.h> 97 #include <sys/sysctl.h> 98 #include <sys/sx.h> 99 #include <sys/unistd.h> 100 #include <sys/callout.h> 101 #include <sys/malloc.h> 102 #include <sys/priv.h> 103 #include <sys/sbuf.h> 104 105 #include <dev/usb/usb.h> 106 #include <dev/usb/usbdi.h> 107 #include <dev/usb/usbdi_util.h> 108 #include <dev/usb/usb_cdc.h> 109 #include "usbdevs.h" 110 111 #define USB_DEBUG_VAR usb_debug 112 #include <dev/usb/usb_debug.h> 113 #include <dev/usb/usb_process.h> 114 115 #include <dev/usb/serial/usb_serial.h> 116 117 typedef struct ufoma_mobile_acm_descriptor { 118 uint8_t bFunctionLength; 119 uint8_t bDescriptorType; 120 uint8_t bDescriptorSubtype; 121 uint8_t bType; 122 uint8_t bMode[1]; 123 } __packed usb_mcpc_acm_descriptor; 124 125 #define UISUBCLASS_MCPC 0x88 126 127 #define UDESC_VS_INTERFACE 0x44 128 #define UDESCSUB_MCPC_ACM 0x11 129 130 #define UMCPC_ACM_TYPE_AB1 0x1 131 #define UMCPC_ACM_TYPE_AB2 0x2 132 #define UMCPC_ACM_TYPE_AB5 0x5 133 #define UMCPC_ACM_TYPE_AB6 0x6 134 135 #define UMCPC_ACM_MODE_DEACTIVATED 0x0 136 #define UMCPC_ACM_MODE_MODEM 0x1 137 #define UMCPC_ACM_MODE_ATCOMMAND 0x2 138 #define UMCPC_ACM_MODE_OBEX 0x60 139 #define UMCPC_ACM_MODE_VENDOR1 0xc0 140 #define UMCPC_ACM_MODE_VENDOR2 0xfe 141 #define UMCPC_ACM_MODE_UNLINKED 0xff 142 143 #define UMCPC_CM_MOBILE_ACM 0x0 144 145 #define UMCPC_ACTIVATE_MODE 0x60 146 #define UMCPC_GET_MODETABLE 0x61 147 #define UMCPC_SET_LINK 0x62 148 #define UMCPC_CLEAR_LINK 0x63 149 150 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31 151 152 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */ 153 #define UFOMA_CMD_BUF_SIZE 64 /* bytes */ 154 155 #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */ 156 157 enum { 158 UFOMA_CTRL_ENDPT_INTR, 159 UFOMA_CTRL_ENDPT_READ, 160 UFOMA_CTRL_ENDPT_WRITE, 161 UFOMA_CTRL_ENDPT_MAX, 162 }; 163 164 enum { 165 UFOMA_BULK_ENDPT_WRITE, 166 UFOMA_BULK_ENDPT_READ, 167 UFOMA_BULK_ENDPT_MAX, 168 }; 169 170 struct ufoma_softc { 171 struct ucom_super_softc sc_super_ucom; 172 struct ucom_softc sc_ucom; 173 struct cv sc_cv; 174 struct mtx sc_mtx; 175 176 struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX]; 177 struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX]; 178 uint8_t *sc_modetable; 179 device_t sc_dev; 180 struct usb_device *sc_udev; 181 182 uint32_t sc_unit; 183 184 uint16_t sc_line; 185 186 uint8_t sc_num_msg; 187 uint8_t sc_nobulk; 188 uint8_t sc_ctrl_iface_no; 189 uint8_t sc_ctrl_iface_index; 190 uint8_t sc_data_iface_no; 191 uint8_t sc_data_iface_index; 192 uint8_t sc_cm_cap; 193 uint8_t sc_acm_cap; 194 uint8_t sc_lsr; 195 uint8_t sc_msr; 196 uint8_t sc_modetoactivate; 197 uint8_t sc_currentmode; 198 }; 199 200 /* prototypes */ 201 202 static device_probe_t ufoma_probe; 203 static device_attach_t ufoma_attach; 204 static device_detach_t ufoma_detach; 205 static void ufoma_free_softc(struct ufoma_softc *); 206 207 static usb_callback_t ufoma_ctrl_read_callback; 208 static usb_callback_t ufoma_ctrl_write_callback; 209 static usb_callback_t ufoma_intr_callback; 210 static usb_callback_t ufoma_bulk_write_callback; 211 static usb_callback_t ufoma_bulk_read_callback; 212 213 static void *ufoma_get_intconf(struct usb_config_descriptor *, 214 struct usb_interface_descriptor *, uint8_t, uint8_t); 215 static void ufoma_cfg_link_state(struct ufoma_softc *); 216 static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); 217 static void ufoma_free(struct ucom_softc *); 218 static void ufoma_cfg_open(struct ucom_softc *); 219 static void ufoma_cfg_close(struct ucom_softc *); 220 static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); 221 static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, 222 uint8_t *); 223 static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); 224 static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); 225 static int ufoma_pre_param(struct ucom_softc *, struct termios *); 226 static void ufoma_cfg_param(struct ucom_softc *, struct termios *); 227 static int ufoma_modem_setup(device_t, struct ufoma_softc *, 228 struct usb_attach_arg *); 229 static void ufoma_start_read(struct ucom_softc *); 230 static void ufoma_stop_read(struct ucom_softc *); 231 static void ufoma_start_write(struct ucom_softc *); 232 static void ufoma_stop_write(struct ucom_softc *); 233 static void ufoma_poll(struct ucom_softc *ucom); 234 235 /*sysctl stuff*/ 236 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS); 237 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS); 238 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS); 239 240 static const struct usb_config 241 ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = { 242 243 [UFOMA_CTRL_ENDPT_INTR] = { 244 .type = UE_INTERRUPT, 245 .endpoint = UE_ADDR_ANY, 246 .direction = UE_DIR_IN, 247 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 248 .bufsize = sizeof(struct usb_cdc_notification), 249 .callback = &ufoma_intr_callback, 250 }, 251 252 [UFOMA_CTRL_ENDPT_READ] = { 253 .type = UE_CONTROL, 254 .endpoint = 0x00, /* Control pipe */ 255 .direction = UE_DIR_ANY, 256 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), 257 .flags = {.short_xfer_ok = 1,}, 258 .callback = &ufoma_ctrl_read_callback, 259 .timeout = 1000, /* 1 second */ 260 }, 261 262 [UFOMA_CTRL_ENDPT_WRITE] = { 263 .type = UE_CONTROL, 264 .endpoint = 0x00, /* Control pipe */ 265 .direction = UE_DIR_ANY, 266 .bufsize = (sizeof(struct usb_device_request) + 1), 267 .callback = &ufoma_ctrl_write_callback, 268 .timeout = 1000, /* 1 second */ 269 }, 270 }; 271 272 static const struct usb_config 273 ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { 274 275 [UFOMA_BULK_ENDPT_WRITE] = { 276 .type = UE_BULK, 277 .endpoint = UE_ADDR_ANY, 278 .direction = UE_DIR_OUT, 279 .bufsize = UFOMA_BULK_BUF_SIZE, 280 .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 281 .callback = &ufoma_bulk_write_callback, 282 }, 283 284 [UFOMA_BULK_ENDPT_READ] = { 285 .type = UE_BULK, 286 .endpoint = UE_ADDR_ANY, 287 .direction = UE_DIR_IN, 288 .bufsize = UFOMA_BULK_BUF_SIZE, 289 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 290 .callback = &ufoma_bulk_read_callback, 291 }, 292 }; 293 294 static const struct ucom_callback ufoma_callback = { 295 .ucom_cfg_get_status = &ufoma_cfg_get_status, 296 .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, 297 .ucom_cfg_set_rts = &ufoma_cfg_set_rts, 298 .ucom_cfg_set_break = &ufoma_cfg_set_break, 299 .ucom_cfg_param = &ufoma_cfg_param, 300 .ucom_cfg_open = &ufoma_cfg_open, 301 .ucom_cfg_close = &ufoma_cfg_close, 302 .ucom_pre_param = &ufoma_pre_param, 303 .ucom_start_read = &ufoma_start_read, 304 .ucom_stop_read = &ufoma_stop_read, 305 .ucom_start_write = &ufoma_start_write, 306 .ucom_stop_write = &ufoma_stop_write, 307 .ucom_poll = &ufoma_poll, 308 .ucom_free = &ufoma_free, 309 }; 310 311 static device_method_t ufoma_methods[] = { 312 /* Device methods */ 313 DEVMETHOD(device_probe, ufoma_probe), 314 DEVMETHOD(device_attach, ufoma_attach), 315 DEVMETHOD(device_detach, ufoma_detach), 316 DEVMETHOD_END 317 }; 318 319 static devclass_t ufoma_devclass; 320 321 static driver_t ufoma_driver = { 322 .name = "ufoma", 323 .methods = ufoma_methods, 324 .size = sizeof(struct ufoma_softc), 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); 331 332 static const STRUCT_USB_HOST_ID ufoma_devs[] = { 333 {USB_IFACE_CLASS(UICLASS_CDC), 334 USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, 335 }; 336 337 static int 338 ufoma_probe(device_t dev) 339 { 340 struct usb_attach_arg *uaa = device_get_ivars(dev); 341 struct usb_interface_descriptor *id; 342 struct usb_config_descriptor *cd; 343 usb_mcpc_acm_descriptor *mad; 344 int error; 345 346 if (uaa->usb_mode != USB_MODE_HOST) 347 return (ENXIO); 348 349 error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); 350 if (error) 351 return (error); 352 353 id = usbd_get_interface_descriptor(uaa->iface); 354 cd = usbd_get_config_descriptor(uaa->device); 355 356 if (id == NULL || cd == NULL) 357 return (ENXIO); 358 359 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 360 if (mad == NULL) 361 return (ENXIO); 362 363 #ifndef UFOMA_HANDSFREE 364 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 365 (mad->bType == UMCPC_ACM_TYPE_AB6)) 366 return (ENXIO); 367 #endif 368 return (BUS_PROBE_GENERIC); 369 } 370 371 static int 372 ufoma_attach(device_t dev) 373 { 374 struct usb_attach_arg *uaa = device_get_ivars(dev); 375 struct ufoma_softc *sc = device_get_softc(dev); 376 struct usb_config_descriptor *cd; 377 struct usb_interface_descriptor *id; 378 struct sysctl_ctx_list *sctx; 379 struct sysctl_oid *soid; 380 381 usb_mcpc_acm_descriptor *mad; 382 uint8_t elements; 383 int32_t error; 384 385 sc->sc_udev = uaa->device; 386 sc->sc_dev = dev; 387 sc->sc_unit = device_get_unit(dev); 388 389 mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); 390 ucom_ref(&sc->sc_super_ucom); 391 cv_init(&sc->sc_cv, "CWAIT"); 392 393 device_set_usb_desc(dev); 394 395 DPRINTF("\n"); 396 397 /* setup control transfers */ 398 399 cd = usbd_get_config_descriptor(uaa->device); 400 id = usbd_get_interface_descriptor(uaa->iface); 401 sc->sc_ctrl_iface_no = id->bInterfaceNumber; 402 sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; 403 404 error = usbd_transfer_setup(uaa->device, 405 &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, 406 ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); 407 408 if (error) { 409 device_printf(dev, "allocating control USB " 410 "transfers failed\n"); 411 goto detach; 412 } 413 mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); 414 if (mad == NULL) { 415 goto detach; 416 } 417 if (mad->bFunctionLength < sizeof(*mad)) { 418 device_printf(dev, "invalid MAD descriptor\n"); 419 goto detach; 420 } 421 if ((mad->bType == UMCPC_ACM_TYPE_AB5) || 422 (mad->bType == UMCPC_ACM_TYPE_AB6)) { 423 sc->sc_nobulk = 1; 424 } else { 425 sc->sc_nobulk = 0; 426 if (ufoma_modem_setup(dev, sc, uaa)) { 427 goto detach; 428 } 429 } 430 431 elements = (mad->bFunctionLength - sizeof(*mad) + 1); 432 433 /* initialize mode variables */ 434 435 sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); 436 437 if (sc->sc_modetable == NULL) { 438 goto detach; 439 } 440 sc->sc_modetable[0] = (elements + 1); 441 memcpy(&sc->sc_modetable[1], mad->bMode, elements); 442 443 sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; 444 sc->sc_modetoactivate = mad->bMode[0]; 445 446 /* clear stall at first run, if any */ 447 mtx_lock(&sc->sc_mtx); 448 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 449 usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 450 mtx_unlock(&sc->sc_mtx); 451 452 error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 453 &ufoma_callback, &sc->sc_mtx); 454 if (error) { 455 DPRINTF("ucom_attach failed\n"); 456 goto detach; 457 } 458 ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); 459 460 /*Sysctls*/ 461 sctx = device_get_sysctl_ctx(dev); 462 soid = device_get_sysctl_tree(dev); 463 464 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", 465 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support, 466 "A", "Supporting port role"); 467 468 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", 469 CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current, 470 "A", "Current port role"); 471 472 SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", 473 CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open, 474 "A", "Mode to transit when port is opened"); 475 SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", 476 CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, 477 "Unit number as USB serial"); 478 479 return (0); /* success */ 480 481 detach: 482 ufoma_detach(dev); 483 return (ENXIO); /* failure */ 484 } 485 486 static int 487 ufoma_detach(device_t dev) 488 { 489 struct ufoma_softc *sc = device_get_softc(dev); 490 491 ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); 492 usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 493 usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 494 495 if (sc->sc_modetable) { 496 free(sc->sc_modetable, M_USBDEV); 497 } 498 cv_destroy(&sc->sc_cv); 499 500 device_claim_softc(dev); 501 502 ufoma_free_softc(sc); 503 504 return (0); 505 } 506 507 UCOM_UNLOAD_DRAIN(ufoma); 508 509 static void 510 ufoma_free_softc(struct ufoma_softc *sc) 511 { 512 if (ucom_unref(&sc->sc_super_ucom)) { 513 mtx_destroy(&sc->sc_mtx); 514 device_free_softc(sc); 515 } 516 } 517 518 static void 519 ufoma_free(struct ucom_softc *ucom) 520 { 521 ufoma_free_softc(ucom->sc_parent); 522 } 523 524 static void * 525 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, 526 uint8_t type, uint8_t subtype) 527 { 528 struct usb_descriptor *desc = (void *)id; 529 530 while ((desc = usb_desc_foreach(cd, desc))) { 531 532 if (desc->bDescriptorType == UDESC_INTERFACE) { 533 return (NULL); 534 } 535 if ((desc->bDescriptorType == type) && 536 (desc->bDescriptorSubtype == subtype)) { 537 break; 538 } 539 } 540 return (desc); 541 } 542 543 static void 544 ufoma_cfg_link_state(struct ufoma_softc *sc) 545 { 546 struct usb_device_request req; 547 int32_t error; 548 549 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 550 req.bRequest = UMCPC_SET_LINK; 551 USETW(req.wValue, UMCPC_CM_MOBILE_ACM); 552 USETW(req.wIndex, sc->sc_ctrl_iface_no); 553 USETW(req.wLength, sc->sc_modetable[0]); 554 555 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 556 &req, sc->sc_modetable, 0, 1000); 557 558 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); 559 560 if (error) { 561 DPRINTF("NO response\n"); 562 } 563 } 564 565 static void 566 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) 567 { 568 struct usb_device_request req; 569 int32_t error; 570 571 req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; 572 req.bRequest = UMCPC_ACTIVATE_MODE; 573 USETW(req.wValue, state); 574 USETW(req.wIndex, sc->sc_ctrl_iface_no); 575 USETW(req.wLength, 0); 576 577 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 578 &req, NULL, 0, 1000); 579 580 error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, 581 (UFOMA_MAX_TIMEOUT * hz)); 582 if (error) { 583 DPRINTF("No response\n"); 584 } 585 } 586 587 static void 588 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) 589 { 590 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 591 struct usb_device_request req; 592 struct usb_page_cache *pc0, *pc1; 593 int len, aframes, nframes; 594 595 usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); 596 597 switch (USB_GET_STATE(xfer)) { 598 case USB_ST_TRANSFERRED: 599 tr_transferred: 600 if (aframes != nframes) 601 goto tr_setup; 602 pc1 = usbd_xfer_get_frame(xfer, 1); 603 len = usbd_xfer_frame_len(xfer, 1); 604 if (len > 0) 605 ucom_put_data(&sc->sc_ucom, pc1, 0, len); 606 /* FALLTHROUGH */ 607 case USB_ST_SETUP: 608 tr_setup: 609 if (sc->sc_num_msg) { 610 sc->sc_num_msg--; 611 612 req.bmRequestType = UT_READ_CLASS_INTERFACE; 613 req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; 614 USETW(req.wIndex, sc->sc_ctrl_iface_no); 615 USETW(req.wValue, 0); 616 USETW(req.wLength, UFOMA_CMD_BUF_SIZE); 617 618 pc0 = usbd_xfer_get_frame(xfer, 0); 619 usbd_copy_in(pc0, 0, &req, sizeof(req)); 620 621 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 622 usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); 623 usbd_xfer_set_frames(xfer, 2); 624 usbd_transfer_submit(xfer); 625 } 626 return; 627 628 default: /* Error */ 629 DPRINTF("error = %s\n", 630 usbd_errstr(error)); 631 632 if (error == USB_ERR_CANCELLED) { 633 return; 634 } 635 goto tr_transferred; 636 } 637 } 638 639 static void 640 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) 641 { 642 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 643 struct usb_device_request req; 644 struct usb_page_cache *pc; 645 uint32_t actlen; 646 647 switch (USB_GET_STATE(xfer)) { 648 case USB_ST_TRANSFERRED: 649 tr_transferred: 650 case USB_ST_SETUP: 651 pc = usbd_xfer_get_frame(xfer, 1); 652 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { 653 654 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 655 req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; 656 USETW(req.wIndex, sc->sc_ctrl_iface_no); 657 USETW(req.wValue, 0); 658 USETW(req.wLength, 1); 659 660 pc = usbd_xfer_get_frame(xfer, 0); 661 usbd_copy_in(pc, 0, &req, sizeof(req)); 662 663 usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); 664 usbd_xfer_set_frame_len(xfer, 1, 1); 665 usbd_xfer_set_frames(xfer, 2); 666 667 usbd_transfer_submit(xfer); 668 } 669 return; 670 671 default: /* Error */ 672 DPRINTF("error = %s\n", usbd_errstr(error)); 673 674 if (error == USB_ERR_CANCELLED) { 675 return; 676 } 677 goto tr_transferred; 678 } 679 } 680 681 static void 682 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) 683 { 684 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 685 struct usb_cdc_notification pkt; 686 struct usb_page_cache *pc; 687 uint16_t wLen; 688 uint16_t temp; 689 uint8_t mstatus; 690 int actlen; 691 692 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 693 694 switch (USB_GET_STATE(xfer)) { 695 case USB_ST_TRANSFERRED: 696 if (actlen < 8) { 697 DPRINTF("too short message\n"); 698 goto tr_setup; 699 } 700 if (actlen > (int)sizeof(pkt)) { 701 DPRINTF("truncating message\n"); 702 actlen = sizeof(pkt); 703 } 704 pc = usbd_xfer_get_frame(xfer, 0); 705 usbd_copy_out(pc, 0, &pkt, actlen); 706 707 actlen -= 8; 708 709 wLen = UGETW(pkt.wLength); 710 if (actlen > wLen) { 711 actlen = wLen; 712 } 713 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && 714 (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { 715 temp = UGETW(pkt.wValue); 716 sc->sc_currentmode = (temp >> 8); 717 if (!(temp & 0xff)) { 718 DPRINTF("Mode change failed!\n"); 719 } 720 cv_signal(&sc->sc_cv); 721 } 722 if (pkt.bmRequestType != UCDC_NOTIFICATION) { 723 goto tr_setup; 724 } 725 switch (pkt.bNotification) { 726 case UCDC_N_RESPONSE_AVAILABLE: 727 if (!(sc->sc_nobulk)) { 728 DPRINTF("Wrong serial state!\n"); 729 break; 730 } 731 if (sc->sc_num_msg != 0xFF) { 732 sc->sc_num_msg++; 733 } 734 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 735 break; 736 737 case UCDC_N_SERIAL_STATE: 738 if (sc->sc_nobulk) { 739 DPRINTF("Wrong serial state!\n"); 740 break; 741 } 742 /* 743 * Set the serial state in ucom driver based on 744 * the bits from the notify message 745 */ 746 if (actlen < 2) { 747 DPRINTF("invalid notification " 748 "length, %d bytes!\n", actlen); 749 break; 750 } 751 DPRINTF("notify bytes = 0x%02x, 0x%02x\n", 752 pkt.data[0], pkt.data[1]); 753 754 /* currently, lsr is always zero. */ 755 sc->sc_lsr = 0; 756 sc->sc_msr = 0; 757 758 mstatus = pkt.data[0]; 759 760 if (mstatus & UCDC_N_SERIAL_RI) { 761 sc->sc_msr |= SER_RI; 762 } 763 if (mstatus & UCDC_N_SERIAL_DSR) { 764 sc->sc_msr |= SER_DSR; 765 } 766 if (mstatus & UCDC_N_SERIAL_DCD) { 767 sc->sc_msr |= SER_DCD; 768 } 769 ucom_status_change(&sc->sc_ucom); 770 break; 771 772 default: 773 break; 774 } 775 776 case USB_ST_SETUP: 777 tr_setup: 778 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 779 usbd_transfer_submit(xfer); 780 return; 781 782 default: /* Error */ 783 if (error != USB_ERR_CANCELLED) { 784 /* try to clear stall first */ 785 usbd_xfer_set_stall(xfer); 786 goto tr_setup; 787 } 788 return; 789 } 790 } 791 792 static void 793 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) 794 { 795 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 796 struct usb_page_cache *pc; 797 uint32_t actlen; 798 799 switch (USB_GET_STATE(xfer)) { 800 case USB_ST_SETUP: 801 case USB_ST_TRANSFERRED: 802 tr_setup: 803 pc = usbd_xfer_get_frame(xfer, 0); 804 if (ucom_get_data(&sc->sc_ucom, pc, 0, 805 UFOMA_BULK_BUF_SIZE, &actlen)) { 806 usbd_xfer_set_frame_len(xfer, 0, actlen); 807 usbd_transfer_submit(xfer); 808 } 809 return; 810 811 default: /* Error */ 812 if (error != USB_ERR_CANCELLED) { 813 /* try to clear stall first */ 814 usbd_xfer_set_stall(xfer); 815 goto tr_setup; 816 } 817 return; 818 } 819 } 820 821 static void 822 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) 823 { 824 struct ufoma_softc *sc = usbd_xfer_softc(xfer); 825 struct usb_page_cache *pc; 826 int actlen; 827 828 usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); 829 830 switch (USB_GET_STATE(xfer)) { 831 case USB_ST_TRANSFERRED: 832 pc = usbd_xfer_get_frame(xfer, 0); 833 ucom_put_data(&sc->sc_ucom, pc, 0, actlen); 834 835 case USB_ST_SETUP: 836 tr_setup: 837 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); 838 usbd_transfer_submit(xfer); 839 return; 840 841 default: /* Error */ 842 if (error != USB_ERR_CANCELLED) { 843 /* try to clear stall first */ 844 usbd_xfer_set_stall(xfer); 845 goto tr_setup; 846 } 847 return; 848 } 849 } 850 851 static void 852 ufoma_cfg_open(struct ucom_softc *ucom) 853 { 854 struct ufoma_softc *sc = ucom->sc_parent; 855 856 /* empty input queue */ 857 858 if (sc->sc_num_msg != 0xFF) { 859 sc->sc_num_msg++; 860 } 861 if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { 862 ufoma_cfg_link_state(sc); 863 } 864 if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { 865 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); 866 } 867 } 868 869 static void 870 ufoma_cfg_close(struct ucom_softc *ucom) 871 { 872 struct ufoma_softc *sc = ucom->sc_parent; 873 874 ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); 875 } 876 877 static void 878 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 879 { 880 struct ufoma_softc *sc = ucom->sc_parent; 881 struct usb_device_request req; 882 uint16_t wValue; 883 884 if (sc->sc_nobulk || 885 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 886 return; 887 } 888 if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { 889 return; 890 } 891 wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; 892 893 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 894 req.bRequest = UCDC_SEND_BREAK; 895 USETW(req.wValue, wValue); 896 req.wIndex[0] = sc->sc_ctrl_iface_no; 897 req.wIndex[1] = 0; 898 USETW(req.wLength, 0); 899 900 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 901 &req, NULL, 0, 1000); 902 } 903 904 static void 905 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 906 { 907 struct ufoma_softc *sc = ucom->sc_parent; 908 909 *lsr = sc->sc_lsr; 910 *msr = sc->sc_msr; 911 } 912 913 static void 914 ufoma_cfg_set_line_state(struct ufoma_softc *sc) 915 { 916 struct usb_device_request req; 917 918 /* Don't send line state emulation request for OBEX port */ 919 if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { 920 return; 921 } 922 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 923 req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 924 USETW(req.wValue, sc->sc_line); 925 req.wIndex[0] = sc->sc_ctrl_iface_no; 926 req.wIndex[1] = 0; 927 USETW(req.wLength, 0); 928 929 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 930 &req, NULL, 0, 1000); 931 } 932 933 static void 934 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 935 { 936 struct ufoma_softc *sc = ucom->sc_parent; 937 938 if (sc->sc_nobulk) { 939 return; 940 } 941 if (onoff) 942 sc->sc_line |= UCDC_LINE_DTR; 943 else 944 sc->sc_line &= ~UCDC_LINE_DTR; 945 946 ufoma_cfg_set_line_state(sc); 947 } 948 949 static void 950 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 951 { 952 struct ufoma_softc *sc = ucom->sc_parent; 953 954 if (sc->sc_nobulk) { 955 return; 956 } 957 if (onoff) 958 sc->sc_line |= UCDC_LINE_RTS; 959 else 960 sc->sc_line &= ~UCDC_LINE_RTS; 961 962 ufoma_cfg_set_line_state(sc); 963 } 964 965 static int 966 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) 967 { 968 return (0); /* we accept anything */ 969 } 970 971 static void 972 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) 973 { 974 struct ufoma_softc *sc = ucom->sc_parent; 975 struct usb_device_request req; 976 struct usb_cdc_line_state ls; 977 978 if (sc->sc_nobulk || 979 (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { 980 return; 981 } 982 DPRINTF("\n"); 983 984 memset(&ls, 0, sizeof(ls)); 985 986 USETDW(ls.dwDTERate, t->c_ospeed); 987 988 if (t->c_cflag & CSTOPB) { 989 ls.bCharFormat = UCDC_STOP_BIT_2; 990 } else { 991 ls.bCharFormat = UCDC_STOP_BIT_1; 992 } 993 994 if (t->c_cflag & PARENB) { 995 if (t->c_cflag & PARODD) { 996 ls.bParityType = UCDC_PARITY_ODD; 997 } else { 998 ls.bParityType = UCDC_PARITY_EVEN; 999 } 1000 } else { 1001 ls.bParityType = UCDC_PARITY_NONE; 1002 } 1003 1004 switch (t->c_cflag & CSIZE) { 1005 case CS5: 1006 ls.bDataBits = 5; 1007 break; 1008 case CS6: 1009 ls.bDataBits = 6; 1010 break; 1011 case CS7: 1012 ls.bDataBits = 7; 1013 break; 1014 case CS8: 1015 ls.bDataBits = 8; 1016 break; 1017 } 1018 1019 req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1020 req.bRequest = UCDC_SET_LINE_CODING; 1021 USETW(req.wValue, 0); 1022 req.wIndex[0] = sc->sc_ctrl_iface_no; 1023 req.wIndex[1] = 0; 1024 USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 1025 1026 ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 1027 &req, &ls, 0, 1000); 1028 } 1029 1030 static int 1031 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, 1032 struct usb_attach_arg *uaa) 1033 { 1034 struct usb_config_descriptor *cd; 1035 struct usb_cdc_acm_descriptor *acm; 1036 struct usb_cdc_cm_descriptor *cmd; 1037 struct usb_interface_descriptor *id; 1038 struct usb_interface *iface; 1039 uint8_t i; 1040 int32_t error; 1041 1042 cd = usbd_get_config_descriptor(uaa->device); 1043 id = usbd_get_interface_descriptor(uaa->iface); 1044 1045 cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); 1046 1047 if ((cmd == NULL) || 1048 (cmd->bLength < sizeof(*cmd))) { 1049 return (EINVAL); 1050 } 1051 sc->sc_cm_cap = cmd->bmCapabilities; 1052 sc->sc_data_iface_no = cmd->bDataInterface; 1053 1054 acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); 1055 1056 if ((acm == NULL) || 1057 (acm->bLength < sizeof(*acm))) { 1058 return (EINVAL); 1059 } 1060 sc->sc_acm_cap = acm->bmCapabilities; 1061 1062 device_printf(dev, "data interface %d, has %sCM over data, " 1063 "has %sbreak\n", 1064 sc->sc_data_iface_no, 1065 sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 1066 sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 1067 1068 /* get the data interface too */ 1069 1070 for (i = 0;; i++) { 1071 1072 iface = usbd_get_iface(uaa->device, i); 1073 1074 if (iface) { 1075 1076 id = usbd_get_interface_descriptor(iface); 1077 1078 if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { 1079 sc->sc_data_iface_index = i; 1080 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); 1081 break; 1082 } 1083 } else { 1084 device_printf(dev, "no data interface\n"); 1085 return (EINVAL); 1086 } 1087 } 1088 1089 error = usbd_transfer_setup(uaa->device, 1090 &sc->sc_data_iface_index, sc->sc_bulk_xfer, 1091 ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); 1092 1093 if (error) { 1094 device_printf(dev, "allocating BULK USB " 1095 "transfers failed\n"); 1096 return (EINVAL); 1097 } 1098 return (0); 1099 } 1100 1101 static void 1102 ufoma_start_read(struct ucom_softc *ucom) 1103 { 1104 struct ufoma_softc *sc = ucom->sc_parent; 1105 1106 /* start interrupt transfer */ 1107 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1108 1109 /* start data transfer */ 1110 if (sc->sc_nobulk) { 1111 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1112 } else { 1113 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1114 } 1115 } 1116 1117 static void 1118 ufoma_stop_read(struct ucom_softc *ucom) 1119 { 1120 struct ufoma_softc *sc = ucom->sc_parent; 1121 1122 /* stop interrupt transfer */ 1123 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); 1124 1125 /* stop data transfer */ 1126 if (sc->sc_nobulk) { 1127 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); 1128 } else { 1129 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); 1130 } 1131 } 1132 1133 static void 1134 ufoma_start_write(struct ucom_softc *ucom) 1135 { 1136 struct ufoma_softc *sc = ucom->sc_parent; 1137 1138 if (sc->sc_nobulk) { 1139 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1140 } else { 1141 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1142 } 1143 } 1144 1145 static void 1146 ufoma_stop_write(struct ucom_softc *ucom) 1147 { 1148 struct ufoma_softc *sc = ucom->sc_parent; 1149 1150 if (sc->sc_nobulk) { 1151 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); 1152 } else { 1153 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); 1154 } 1155 } 1156 1157 static struct umcpc_modetostr_tab{ 1158 int mode; 1159 char *str; 1160 }umcpc_modetostr_tab[]={ 1161 {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"}, 1162 {UMCPC_ACM_MODE_MODEM, "modem"}, 1163 {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"}, 1164 {UMCPC_ACM_MODE_OBEX, "obex"}, 1165 {UMCPC_ACM_MODE_VENDOR1, "vendor1"}, 1166 {UMCPC_ACM_MODE_VENDOR2, "vendor2"}, 1167 {UMCPC_ACM_MODE_UNLINKED, "unlinked"}, 1168 {0, NULL} 1169 }; 1170 1171 static char *ufoma_mode_to_str(int mode) 1172 { 1173 int i; 1174 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1175 if(umcpc_modetostr_tab[i].mode == mode){ 1176 return umcpc_modetostr_tab[i].str; 1177 } 1178 } 1179 return NULL; 1180 } 1181 1182 static int ufoma_str_to_mode(char *str) 1183 { 1184 int i; 1185 for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){ 1186 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){ 1187 return umcpc_modetostr_tab[i].mode; 1188 } 1189 } 1190 return -1; 1191 } 1192 1193 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS) 1194 { 1195 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1196 struct sbuf sb; 1197 int i; 1198 char *mode; 1199 1200 sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND); 1201 for(i = 1; i < sc->sc_modetable[0]; i++){ 1202 mode = ufoma_mode_to_str(sc->sc_modetable[i]); 1203 if(mode !=NULL){ 1204 sbuf_cat(&sb, mode); 1205 }else{ 1206 sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]); 1207 } 1208 if(i < (sc->sc_modetable[0]-1)) 1209 sbuf_cat(&sb, ","); 1210 } 1211 sbuf_trim(&sb); 1212 sbuf_finish(&sb); 1213 sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req); 1214 sbuf_delete(&sb); 1215 1216 return 0; 1217 } 1218 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS) 1219 { 1220 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1221 char *mode; 1222 char subbuf[]="(XXX)"; 1223 mode = ufoma_mode_to_str(sc->sc_currentmode); 1224 if(!mode){ 1225 mode = subbuf; 1226 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode); 1227 } 1228 sysctl_handle_string(oidp, mode, strlen(mode), req); 1229 1230 return 0; 1231 1232 } 1233 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS) 1234 { 1235 struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1; 1236 char *mode; 1237 char subbuf[40]; 1238 int newmode; 1239 int error; 1240 int i; 1241 1242 mode = ufoma_mode_to_str(sc->sc_modetoactivate); 1243 if(mode){ 1244 strncpy(subbuf, mode, sizeof(subbuf)); 1245 }else{ 1246 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate); 1247 } 1248 error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req); 1249 if(error != 0 || req->newptr == NULL){ 1250 return error; 1251 } 1252 1253 if((newmode = ufoma_str_to_mode(subbuf)) == -1){ 1254 return EINVAL; 1255 } 1256 1257 for(i = 1 ; i < sc->sc_modetable[0] ; i++){ 1258 if(sc->sc_modetable[i] == newmode){ 1259 sc->sc_modetoactivate = newmode; 1260 return 0; 1261 } 1262 } 1263 1264 return EINVAL; 1265 } 1266 1267 static void 1268 ufoma_poll(struct ucom_softc *ucom) 1269 { 1270 struct ufoma_softc *sc = ucom->sc_parent; 1271 usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); 1272 usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); 1273 } 1274