sys/dev/usb/serial/ufoma.c

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