sys/bus/u4b/serial/ufoma.c

   1 /*      $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $       */
   2
   3 #define UFOMA_HANDSFREE
   4 /*-
   5  * Copyright (c) 2005, Takanori Watanabe
   6  * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 /*-
  32  * Copyright (c) 1998 The NetBSD Foundation, Inc.
  33  * All rights reserved.
  34  *
  35  * This code is derived from software contributed to The NetBSD Foundation
  36  * by Lennart Augustsson (lennart@augustsson.net) at
  37  * Carlstedt Research & Technology.
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  * 1. Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  * 2. Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in the
  46  *    documentation and/or other materials provided with the distribution.
  47  * 3. All advertising materials mentioning features or use of this software
  48  *    must display the following acknowledgement:
  49  *        This product includes software developed by the NetBSD
  50  *        Foundation, Inc. and its contributors.
  51  * 4. Neither the name of The NetBSD Foundation nor the names of its
  52  *    contributors may be used to endorse or promote products derived
  53  *    from this software without specific prior written permission.
  54  *
  55  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  56  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  57  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  58  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  59  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  60  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  61  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  62  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  63  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  64  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  65  * POSSIBILITY OF SUCH DAMAGE.
  66  */
  67
  68 /*
  69  * Comm Class spec:  http://www.usb.org/developers/devclass_docs/usbccs10.pdf
  70  *                   http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
  71  */
  72
  73 /*
  74  * TODO:
  75  * - Implement a Call Device for modems without multiplexed commands.
  76  */
  77
  78 /*
  79  * NOTE: all function names beginning like "ufoma_cfg_" can only
  80  * be called from within the config thread function !
  81  */
  82
  83 #include <sys/stdint.h>
  84 #include <sys/param.h>
  85 #include <sys/queue.h>
  86 #include <sys/types.h>
  87 #include <sys/systm.h>
  88 #include <sys/kernel.h>
  89 #include <sys/bus.h>
  90 #include <sys/module.h>
  91 #include <sys/lock.h>
  92 #include <sys/condvar.h>
  93 #include <sys/sysctl.h>
  94 #include <sys/unistd.h>
  95 #include <sys/callout.h>
  96 #include <sys/malloc.h>
  97 #include <sys/priv.h>
  98 #include <sys/sbuf.h>
  99 #include <sys/serial.h>
 100
 101 #include <bus/u4b/usb.h>
 102 #include <bus/u4b/usbdi.h>
 103 #include <bus/u4b/usbdi_util.h>
 104 #include <bus/u4b/usb_cdc.h>
 105 #include "usbdevs.h"
 106
 107 #define USB_DEBUG_VAR usb_debug
 108 #include <bus/u4b/usb_debug.h>
 109 #include <bus/u4b/usb_process.h>
 110
 111 #include <bus/u4b/serial/usb_serial.h>
 112
 113 typedef struct ufoma_mobile_acm_descriptor {
 114         uint8_t bFunctionLength;
 115         uint8_t bDescriptorType;
 116         uint8_t bDescriptorSubtype;
 117         uint8_t bType;
 118         uint8_t bMode[1];
 119 } __packed usb_mcpc_acm_descriptor;
 120
 121 #define UISUBCLASS_MCPC 0x88
 122
 123 #define UDESC_VS_INTERFACE 0x44
 124 #define UDESCSUB_MCPC_ACM  0x11
 125
 126 #define UMCPC_ACM_TYPE_AB1 0x1
 127 #define UMCPC_ACM_TYPE_AB2 0x2
 128 #define UMCPC_ACM_TYPE_AB5 0x5
 129 #define UMCPC_ACM_TYPE_AB6 0x6
 130
 131 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
 132 #define UMCPC_ACM_MODE_MODEM 0x1
 133 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
 134 #define UMCPC_ACM_MODE_OBEX 0x60
 135 #define UMCPC_ACM_MODE_VENDOR1 0xc0
 136 #define UMCPC_ACM_MODE_VENDOR2 0xfe
 137 #define UMCPC_ACM_MODE_UNLINKED 0xff
 138
 139 #define UMCPC_CM_MOBILE_ACM 0x0
 140
 141 #define UMCPC_ACTIVATE_MODE 0x60
 142 #define UMCPC_GET_MODETABLE 0x61
 143 #define UMCPC_SET_LINK 0x62
 144 #define UMCPC_CLEAR_LINK 0x63
 145
 146 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
 147
 148 #define UFOMA_MAX_TIMEOUT 15            /* standard says 10 seconds */
 149 #define UFOMA_CMD_BUF_SIZE 64           /* bytes */
 150
 151 #define UFOMA_BULK_BUF_SIZE 1024        /* bytes */
 152
 153 enum {
 154         UFOMA_CTRL_ENDPT_INTR,
 155         UFOMA_CTRL_ENDPT_READ,
 156         UFOMA_CTRL_ENDPT_WRITE,
 157         UFOMA_CTRL_ENDPT_MAX,
 158 };
 159
 160 enum {
 161         UFOMA_BULK_ENDPT_WRITE,
 162         UFOMA_BULK_ENDPT_READ,
 163         UFOMA_BULK_ENDPT_MAX,
 164 };
 165
 166 struct ufoma_softc {
 167         struct ucom_super_softc sc_super_ucom;
 168         struct ucom_softc sc_ucom;
 169         struct cv sc_cv;
 170         struct lock sc_lock;
 171
 172         struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
 173         struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
 174         uint8_t *sc_modetable;
 175         device_t sc_dev;
 176         struct usb_device *sc_udev;
 177
 178         uint32_t sc_unit;
 179
 180         uint16_t sc_line;
 181
 182         uint8_t sc_num_msg;
 183         uint8_t sc_nobulk;
 184         uint8_t sc_ctrl_iface_no;
 185         uint8_t sc_ctrl_iface_index;
 186         uint8_t sc_data_iface_no;
 187         uint8_t sc_data_iface_index;
 188         uint8_t sc_cm_cap;
 189         uint8_t sc_acm_cap;
 190         uint8_t sc_lsr;
 191         uint8_t sc_msr;
 192         uint8_t sc_modetoactivate;
 193         uint8_t sc_currentmode;
 194         uint8_t sc_name[16];
 195 };
 196
 197 /* prototypes */
 198
 199 static device_probe_t ufoma_probe;
 200 static device_attach_t ufoma_attach;
 201 static device_detach_t ufoma_detach;
 202
 203 static usb_callback_t ufoma_ctrl_read_callback;
 204 static usb_callback_t ufoma_ctrl_write_callback;
 205 static usb_callback_t ufoma_intr_callback;
 206 static usb_callback_t ufoma_bulk_write_callback;
 207 static usb_callback_t ufoma_bulk_read_callback;
 208
 209 static void     *ufoma_get_intconf(struct usb_config_descriptor *,
 210                     struct usb_interface_descriptor *, uint8_t, uint8_t);
 211 static void     ufoma_cfg_link_state(struct ufoma_softc *);
 212 static void     ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
 213 static void     ufoma_cfg_open(struct ucom_softc *);
 214 static void     ufoma_cfg_close(struct ucom_softc *);
 215 static void     ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
 216 static void     ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
 217                     uint8_t *);
 218 static void     ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
 219 static void     ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
 220 static int      ufoma_pre_param(struct ucom_softc *, struct termios *);
 221 static void     ufoma_cfg_param(struct ucom_softc *, struct termios *);
 222 static int      ufoma_modem_setup(device_t, struct ufoma_softc *,
 223                     struct usb_attach_arg *);
 224 static void     ufoma_start_read(struct ucom_softc *);
 225 static void     ufoma_stop_read(struct ucom_softc *);
 226 static void     ufoma_start_write(struct ucom_softc *);
 227 static void     ufoma_stop_write(struct ucom_softc *);
 228 static void     ufoma_poll(struct ucom_softc *ucom);
 229
 230 /*sysctl stuff*/
 231 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
 232 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
 233 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
 234
 235 static const struct usb_config
 236         ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
 237
 238         [UFOMA_CTRL_ENDPT_INTR] = {
 239                 .type = UE_INTERRUPT,
 240                 .endpoint = UE_ADDR_ANY,
 241                 .direction = UE_DIR_IN,
 242                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 243                 .bufsize = sizeof(struct usb_cdc_notification),
 244                 .callback = &ufoma_intr_callback,
 245         },
 246
 247         [UFOMA_CTRL_ENDPT_READ] = {
 248                 .type = UE_CONTROL,
 249                 .endpoint = 0x00,       /* Control pipe */
 250                 .direction = UE_DIR_ANY,
 251                 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
 252                 .flags = {.short_xfer_ok = 1,},
 253                 .callback = &ufoma_ctrl_read_callback,
 254                 .timeout = 1000,        /* 1 second */
 255         },
 256
 257         [UFOMA_CTRL_ENDPT_WRITE] = {
 258                 .type = UE_CONTROL,
 259                 .endpoint = 0x00,       /* Control pipe */
 260                 .direction = UE_DIR_ANY,
 261                 .bufsize = (sizeof(struct usb_device_request) + 1),
 262                 .callback = &ufoma_ctrl_write_callback,
 263                 .timeout = 1000,        /* 1 second */
 264         },
 265 };
 266
 267 static const struct usb_config
 268         ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
 269
 270         [UFOMA_BULK_ENDPT_WRITE] = {
 271                 .type = UE_BULK,
 272                 .endpoint = UE_ADDR_ANY,
 273                 .direction = UE_DIR_OUT,
 274                 .bufsize = UFOMA_BULK_BUF_SIZE,
 275                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 276                 .callback = &ufoma_bulk_write_callback,
 277         },
 278
 279         [UFOMA_BULK_ENDPT_READ] = {
 280                 .type = UE_BULK,
 281                 .endpoint = UE_ADDR_ANY,
 282                 .direction = UE_DIR_IN,
 283                 .bufsize = UFOMA_BULK_BUF_SIZE,
 284                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 285                 .callback = &ufoma_bulk_read_callback,
 286         },
 287 };
 288
 289 static const struct ucom_callback ufoma_callback = {
 290         .ucom_cfg_get_status = &ufoma_cfg_get_status,
 291         .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
 292         .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
 293         .ucom_cfg_set_break = &ufoma_cfg_set_break,
 294         .ucom_cfg_param = &ufoma_cfg_param,
 295         .ucom_cfg_open = &ufoma_cfg_open,
 296         .ucom_cfg_close = &ufoma_cfg_close,
 297         .ucom_pre_param = &ufoma_pre_param,
 298         .ucom_start_read = &ufoma_start_read,
 299         .ucom_stop_read = &ufoma_stop_read,
 300         .ucom_start_write = &ufoma_start_write,
 301         .ucom_stop_write = &ufoma_stop_write,
 302         .ucom_poll = &ufoma_poll,
 303 };
 304
 305 static device_method_t ufoma_methods[] = {
 306         /* Device methods */
 307         DEVMETHOD(device_probe, ufoma_probe),
 308         DEVMETHOD(device_attach, ufoma_attach),
 309         DEVMETHOD(device_detach, ufoma_detach),
 310         DEVMETHOD_END
 311 };
 312
 313 static devclass_t ufoma_devclass;
 314
 315 static driver_t ufoma_driver = {
 316         .name = "ufoma",
 317         .methods = ufoma_methods,
 318         .size = sizeof(struct ufoma_softc),
 319 };
 320
 321 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, NULL);
 322 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
 323 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
 324 MODULE_VERSION(ufoma, 1);
 325
 326 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
 327         {USB_IFACE_CLASS(UICLASS_CDC),
 328          USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
 329 };
 330
 331 static int
 332 ufoma_probe(device_t dev)
 333 {
 334         struct usb_attach_arg *uaa = device_get_ivars(dev);
 335         struct usb_interface_descriptor *id;
 336         struct usb_config_descriptor *cd;
 337         usb_mcpc_acm_descriptor *mad;
 338         int error;
 339
 340         if (uaa->usb_mode != USB_MODE_HOST)
 341                 return (ENXIO);
 342
 343         error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
 344         if (error)
 345                 return (error);
 346
 347         id = usbd_get_interface_descriptor(uaa->iface);
 348         cd = usbd_get_config_descriptor(uaa->device);
 349
 350         if (id == NULL || cd == NULL)
 351                 return (ENXIO);
 352
 353         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 354         if (mad == NULL)
 355                 return (ENXIO);
 356
 357 #ifndef UFOMA_HANDSFREE
 358         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 359             (mad->bType == UMCPC_ACM_TYPE_AB6))
 360                 return (ENXIO);
 361 #endif
 362         return (BUS_PROBE_GENERIC);
 363 }
 364
 365 static int
 366 ufoma_attach(device_t dev)
 367 {
 368         struct usb_attach_arg *uaa = device_get_ivars(dev);
 369         struct ufoma_softc *sc = device_get_softc(dev);
 370         struct usb_config_descriptor *cd;
 371         struct usb_interface_descriptor *id;
 372         struct sysctl_ctx_list *sctx;
 373         struct sysctl_oid *soid;
 374
 375         usb_mcpc_acm_descriptor *mad;
 376         uint8_t elements;
 377         int32_t error;
 378
 379         sc->sc_udev = uaa->device;
 380         sc->sc_dev = dev;
 381         sc->sc_unit = device_get_unit(dev);
 382
 383         lockinit(&sc->sc_lock, "ufoma", 0, LK_CANRECURSE);
 384         cv_init(&sc->sc_cv, "CWAIT");
 385
 386         device_set_usb_desc(dev);
 387
 388         ksnprintf(sc->sc_name, sizeof(sc->sc_name),
 389             "%s", device_get_nameunit(dev));
 390
 391         DPRINTF("\n");
 392
 393         /* setup control transfers */
 394
 395         cd = usbd_get_config_descriptor(uaa->device);
 396         id = usbd_get_interface_descriptor(uaa->iface);
 397         sc->sc_ctrl_iface_no = id->bInterfaceNumber;
 398         sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex;
 399
 400         error = usbd_transfer_setup(uaa->device,
 401             &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer,
 402             ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_lock);
 403
 404         if (error) {
 405                 device_printf(dev, "allocating control USB "
 406                     "transfers failed\n");
 407                 goto detach;
 408         }
 409         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 410         if (mad == NULL) {
 411                 goto detach;
 412         }
 413         if (mad->bFunctionLength < sizeof(*mad)) {
 414                 device_printf(dev, "invalid MAD descriptor\n");
 415                 goto detach;
 416         }
 417         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 418             (mad->bType == UMCPC_ACM_TYPE_AB6)) {
 419                 sc->sc_nobulk = 1;
 420         } else {
 421                 sc->sc_nobulk = 0;
 422                 if (ufoma_modem_setup(dev, sc, uaa)) {
 423                         goto detach;
 424                 }
 425         }
 426
 427         elements = (mad->bFunctionLength - sizeof(*mad) + 1);
 428
 429         /* initialize mode variables */
 430
 431         sc->sc_modetable = kmalloc(elements + 1, M_USBDEV, M_WAITOK);
 432
 433         if (sc->sc_modetable == NULL) {
 434                 goto detach;
 435         }
 436         sc->sc_modetable[0] = (elements + 1);
 437         memcpy(&sc->sc_modetable[1], mad->bMode, elements);
 438
 439         sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
 440         sc->sc_modetoactivate = mad->bMode[0];
 441
 442         /* clear stall at first run, if any */
 443         lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
 444         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
 445         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
 446         lockmgr(&sc->sc_lock, LK_RELEASE);
 447
 448         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 449             &ufoma_callback, &sc->sc_lock);
 450         if (error) {
 451                 DPRINTF("ucom_attach failed\n");
 452                 goto detach;
 453         }
 454         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 455
 456         /*Sysctls*/
 457         sctx = device_get_sysctl_ctx(dev);
 458         soid = device_get_sysctl_tree(dev);
 459
 460         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode",
 461                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support,
 462                         "A", "Supporting port role");
 463
 464         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
 465                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current,
 466                         "A", "Current port role");
 467
 468         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
 469                         CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open,
 470                         "A", "Mode to transit when port is opened");
 471         SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit",
 472                         CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0,
 473                         "Unit number as USB serial");
 474
 475         return (0);                     /* success */
 476
 477 detach:
 478         ufoma_detach(dev);
 479         return (ENXIO);                 /* failure */
 480 }
 481
 482 static int
 483 ufoma_detach(device_t dev)
 484 {
 485         struct ufoma_softc *sc = device_get_softc(dev);
 486
 487         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 488         usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
 489         usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
 490
 491         if (sc->sc_modetable) {
 492                 kfree(sc->sc_modetable, M_USBDEV);
 493         }
 494         lockuninit(&sc->sc_lock);
 495         cv_destroy(&sc->sc_cv);
 496
 497         return (0);
 498 }
 499
 500 static void *
 501 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
 502     uint8_t type, uint8_t subtype)
 503 {
 504         struct usb_descriptor *desc = (void *)id;
 505
 506         while ((desc = usb_desc_foreach(cd, desc))) {
 507
 508                 if (desc->bDescriptorType == UDESC_INTERFACE) {
 509                         return (NULL);
 510                 }
 511                 if ((desc->bDescriptorType == type) &&
 512                     (desc->bDescriptorSubtype == subtype)) {
 513                         break;
 514                 }
 515         }
 516         return (desc);
 517 }
 518
 519 static void
 520 ufoma_cfg_link_state(struct ufoma_softc *sc)
 521 {
 522         struct usb_device_request req;
 523         int32_t error;
 524
 525         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 526         req.bRequest = UMCPC_SET_LINK;
 527         USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
 528         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 529         USETW(req.wLength, sc->sc_modetable[0]);
 530
 531         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 532             &req, sc->sc_modetable, 0, 1000);
 533
 534         error = cv_timedwait(&sc->sc_cv, &sc->sc_lock, hz);
 535
 536         if (error) {
 537                 DPRINTF("NO response\n");
 538         }
 539 }
 540
 541 static void
 542 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
 543 {
 544         struct usb_device_request req;
 545         int32_t error;
 546
 547         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 548         req.bRequest = UMCPC_ACTIVATE_MODE;
 549         USETW(req.wValue, state);
 550         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 551         USETW(req.wLength, 0);
 552
 553         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 554             &req, NULL, 0, 1000);
 555
 556         error = cv_timedwait(&sc->sc_cv, &sc->sc_lock,
 557             (UFOMA_MAX_TIMEOUT * hz));
 558         if (error) {
 559                 DPRINTF("No response\n");
 560         }
 561 }
 562
 563 static void
 564 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
 565 {
 566         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 567         struct usb_device_request req;
 568         struct usb_page_cache *pc0, *pc1;
 569         int len, aframes, nframes;
 570
 571         usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
 572
 573         switch (USB_GET_STATE(xfer)) {
 574         case USB_ST_TRANSFERRED:
 575 tr_transferred:
 576                 if (aframes != nframes)
 577                         goto tr_setup;
 578                 pc1 = usbd_xfer_get_frame(xfer, 1);
 579                 len = usbd_xfer_frame_len(xfer, 1);
 580                 if (len > 0)
 581                         ucom_put_data(&sc->sc_ucom, pc1, 0, len);
 582                 /* FALLTHROUGH */
 583         case USB_ST_SETUP:
 584 tr_setup:
 585                 if (sc->sc_num_msg) {
 586                         sc->sc_num_msg--;
 587
 588                         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 589                         req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
 590                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 591                         USETW(req.wValue, 0);
 592                         USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
 593
 594                         pc0 = usbd_xfer_get_frame(xfer, 0);
 595                         usbd_copy_in(pc0, 0, &req, sizeof(req));
 596
 597                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 598                         usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
 599                         usbd_xfer_set_frames(xfer, 2);
 600                         usbd_transfer_submit(xfer);
 601                 }
 602                 return;
 603
 604         default:                        /* Error */
 605                 DPRINTF("error = %s\n",
 606                     usbd_errstr(error));
 607
 608                 if (error == USB_ERR_CANCELLED) {
 609                         return;
 610                 } else {
 611                         goto tr_setup;
 612                 }
 613
 614                 goto tr_transferred;
 615         }
 616 }
 617
 618 static void
 619 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
 620 {
 621         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 622         struct usb_device_request req;
 623         struct usb_page_cache *pc;
 624         uint32_t actlen;
 625
 626         switch (USB_GET_STATE(xfer)) {
 627         case USB_ST_TRANSFERRED:
 628 tr_transferred:
 629         case USB_ST_SETUP:
 630 tr_setup:
 631                 pc = usbd_xfer_get_frame(xfer, 1);
 632                 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
 633
 634                         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 635                         req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
 636                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 637                         USETW(req.wValue, 0);
 638                         USETW(req.wLength, 1);
 639
 640                         pc = usbd_xfer_get_frame(xfer, 0);
 641                         usbd_copy_in(pc, 0, &req, sizeof(req));
 642
 643                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 644                         usbd_xfer_set_frame_len(xfer, 1, 1);
 645                         usbd_xfer_set_frames(xfer, 2);
 646
 647                         usbd_transfer_submit(xfer);
 648                 }
 649                 return;
 650
 651         default:                        /* Error */
 652                 DPRINTF("error = %s\n", usbd_errstr(error));
 653
 654                 if (error == USB_ERR_CANCELLED) {
 655                         return;
 656                 } else {
 657                         goto tr_setup;
 658                 }
 659
 660                 goto tr_transferred;
 661         }
 662 }
 663
 664 static void
 665 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 666 {
 667         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 668         struct usb_cdc_notification pkt;
 669         struct usb_page_cache *pc;
 670         uint16_t wLen;
 671         uint16_t temp;
 672         uint8_t mstatus;
 673         int actlen;
 674
 675         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 676
 677         switch (USB_GET_STATE(xfer)) {
 678         case USB_ST_TRANSFERRED:
 679                 if (actlen < 8) {
 680                         DPRINTF("too short message\n");
 681                         goto tr_setup;
 682                 }
 683                 if (actlen > sizeof(pkt)) {
 684                         DPRINTF("truncating message\n");
 685                         actlen = sizeof(pkt);
 686                 }
 687                 pc = usbd_xfer_get_frame(xfer, 0);
 688                 usbd_copy_out(pc, 0, &pkt, actlen);
 689
 690                 actlen -= 8;
 691
 692                 wLen = UGETW(pkt.wLength);
 693                 if (actlen > wLen) {
 694                         actlen = wLen;
 695                 }
 696                 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
 697                     (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
 698                         temp = UGETW(pkt.wValue);
 699                         sc->sc_currentmode = (temp >> 8);
 700                         if (!(temp & 0xff)) {
 701                                 DPRINTF("Mode change failed!\n");
 702                         }
 703                         cv_signal(&sc->sc_cv);
 704                 }
 705                 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
 706                         goto tr_setup;
 707                 }
 708                 switch (pkt.bNotification) {
 709                 case UCDC_N_RESPONSE_AVAILABLE:
 710                         if (!(sc->sc_nobulk)) {
 711                                 DPRINTF("Wrong serial state!\n");
 712                                 break;
 713                         }
 714                         if (sc->sc_num_msg != 0xFF) {
 715                                 sc->sc_num_msg++;
 716                         }
 717                         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
 718                         break;
 719
 720                 case UCDC_N_SERIAL_STATE:
 721                         if (sc->sc_nobulk) {
 722                                 DPRINTF("Wrong serial state!\n");
 723                                 break;
 724                         }
 725                         /*
 726                          * Set the serial state in ucom driver based on
 727                          * the bits from the notify message
 728                          */
 729                         if (actlen < 2) {
 730                                 DPRINTF("invalid notification "
 731                                     "length, %d bytes!\n", actlen);
 732                                 break;
 733                         }
 734                         DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
 735                             pkt.data[0], pkt.data[1]);
 736
 737                         /* currently, lsr is always zero. */
 738                         sc->sc_lsr = 0;
 739                         sc->sc_msr = 0;
 740
 741                         mstatus = pkt.data[0];
 742
 743                         if (mstatus & UCDC_N_SERIAL_RI) {
 744                                 sc->sc_msr |= SER_RI;
 745                         }
 746                         if (mstatus & UCDC_N_SERIAL_DSR) {
 747                                 sc->sc_msr |= SER_DSR;
 748                         }
 749                         if (mstatus & UCDC_N_SERIAL_DCD) {
 750                                 sc->sc_msr |= SER_DCD;
 751                         }
 752                         ucom_status_change(&sc->sc_ucom);
 753                         break;
 754
 755                 default:
 756                         break;
 757                 }
 758
 759         case USB_ST_SETUP:
 760 tr_setup:
 761                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 762                 usbd_transfer_submit(xfer);
 763                 return;
 764
 765         default:                        /* Error */
 766                 if (error != USB_ERR_CANCELLED) {
 767                         /* try to clear stall first */
 768                         usbd_xfer_set_stall(xfer);
 769                         goto tr_setup;
 770                 }
 771                 return;
 772         }
 773 }
 774
 775 static void
 776 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
 777 {
 778         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 779         struct usb_page_cache *pc;
 780         uint32_t actlen;
 781
 782         switch (USB_GET_STATE(xfer)) {
 783         case USB_ST_SETUP:
 784         case USB_ST_TRANSFERRED:
 785 tr_setup:
 786                 pc = usbd_xfer_get_frame(xfer, 0);
 787                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 788                     UFOMA_BULK_BUF_SIZE, &actlen)) {
 789                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 790                         usbd_transfer_submit(xfer);
 791                 }
 792                 return;
 793
 794         default:                        /* Error */
 795                 if (error != USB_ERR_CANCELLED) {
 796                         /* try to clear stall first */
 797                         usbd_xfer_set_stall(xfer);
 798                         goto tr_setup;
 799                 }
 800                 return;
 801         }
 802 }
 803
 804 static void
 805 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
 806 {
 807         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 808         struct usb_page_cache *pc;
 809         int actlen;
 810
 811         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 812
 813         switch (USB_GET_STATE(xfer)) {
 814         case USB_ST_TRANSFERRED:
 815                 pc = usbd_xfer_get_frame(xfer, 0);
 816                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 817
 818         case USB_ST_SETUP:
 819 tr_setup:
 820                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 821                 usbd_transfer_submit(xfer);
 822                 return;
 823
 824         default:                        /* Error */
 825                 if (error != USB_ERR_CANCELLED) {
 826                         /* try to clear stall first */
 827                         usbd_xfer_set_stall(xfer);
 828                         goto tr_setup;
 829                 }
 830                 return;
 831         }
 832 }
 833
 834 static void
 835 ufoma_cfg_open(struct ucom_softc *ucom)
 836 {
 837         struct ufoma_softc *sc = ucom->sc_parent;
 838
 839         /* empty input queue */
 840
 841         if (sc->sc_num_msg != 0xFF) {
 842                 sc->sc_num_msg++;
 843         }
 844         if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
 845                 ufoma_cfg_link_state(sc);
 846         }
 847         if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
 848                 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
 849         }
 850 }
 851
 852 static void
 853 ufoma_cfg_close(struct ucom_softc *ucom)
 854 {
 855         struct ufoma_softc *sc = ucom->sc_parent;
 856
 857         ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
 858 }
 859
 860 static void
 861 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 862 {
 863         struct ufoma_softc *sc = ucom->sc_parent;
 864         struct usb_device_request req;
 865         uint16_t wValue;
 866
 867         if (sc->sc_nobulk ||
 868             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 869                 return;
 870         }
 871         if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
 872                 return;
 873         }
 874         wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
 875
 876         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 877         req.bRequest = UCDC_SEND_BREAK;
 878         USETW(req.wValue, wValue);
 879         req.wIndex[0] = sc->sc_ctrl_iface_no;
 880         req.wIndex[1] = 0;
 881         USETW(req.wLength, 0);
 882
 883         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 884             &req, NULL, 0, 1000);
 885 }
 886
 887 static void
 888 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 889 {
 890         struct ufoma_softc *sc = ucom->sc_parent;
 891
 892         *lsr = sc->sc_lsr;
 893         *msr = sc->sc_msr;
 894 }
 895
 896 static void
 897 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
 898 {
 899         struct usb_device_request req;
 900
 901         /* Don't send line state emulation request for OBEX port */
 902         if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
 903                 return;
 904         }
 905         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 906         req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
 907         USETW(req.wValue, sc->sc_line);
 908         req.wIndex[0] = sc->sc_ctrl_iface_no;
 909         req.wIndex[1] = 0;
 910         USETW(req.wLength, 0);
 911
 912         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 913             &req, NULL, 0, 1000);
 914 }
 915
 916 static void
 917 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 918 {
 919         struct ufoma_softc *sc = ucom->sc_parent;
 920
 921         if (sc->sc_nobulk) {
 922                 return;
 923         }
 924         if (onoff)
 925                 sc->sc_line |= UCDC_LINE_DTR;
 926         else
 927                 sc->sc_line &= ~UCDC_LINE_DTR;
 928
 929         ufoma_cfg_set_line_state(sc);
 930 }
 931
 932 static void
 933 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 934 {
 935         struct ufoma_softc *sc = ucom->sc_parent;
 936
 937         if (sc->sc_nobulk) {
 938                 return;
 939         }
 940         if (onoff)
 941                 sc->sc_line |= UCDC_LINE_RTS;
 942         else
 943                 sc->sc_line &= ~UCDC_LINE_RTS;
 944
 945         ufoma_cfg_set_line_state(sc);
 946 }
 947
 948 static int
 949 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
 950 {
 951         return (0);                     /* we accept anything */
 952 }
 953
 954 static void
 955 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
 956 {
 957         struct ufoma_softc *sc = ucom->sc_parent;
 958         struct usb_device_request req;
 959         struct usb_cdc_line_state ls;
 960
 961         if (sc->sc_nobulk ||
 962             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 963                 return;
 964         }
 965         DPRINTF("\n");
 966
 967         memset(&ls, 0, sizeof(ls));
 968
 969         USETDW(ls.dwDTERate, t->c_ospeed);
 970
 971         if (t->c_cflag & CSTOPB) {
 972                 ls.bCharFormat = UCDC_STOP_BIT_2;
 973         } else {
 974                 ls.bCharFormat = UCDC_STOP_BIT_1;
 975         }
 976
 977         if (t->c_cflag & PARENB) {
 978                 if (t->c_cflag & PARODD) {
 979                         ls.bParityType = UCDC_PARITY_ODD;
 980                 } else {
 981                         ls.bParityType = UCDC_PARITY_EVEN;
 982                 }
 983         } else {
 984                 ls.bParityType = UCDC_PARITY_NONE;
 985         }
 986
 987         switch (t->c_cflag & CSIZE) {
 988         case CS5:
 989                 ls.bDataBits = 5;
 990                 break;
 991         case CS6:
 992                 ls.bDataBits = 6;
 993                 break;
 994         case CS7:
 995                 ls.bDataBits = 7;
 996                 break;
 997         case CS8:
 998                 ls.bDataBits = 8;
 999                 break;
1000         }
1001
1002         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
1003         req.bRequest = UCDC_SET_LINE_CODING;
1004         USETW(req.wValue, 0);
1005         req.wIndex[0] = sc->sc_ctrl_iface_no;
1006         req.wIndex[1] = 0;
1007         USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1008
1009         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1010             &req, &ls, 0, 1000);
1011 }
1012
1013 static int
1014 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1015     struct usb_attach_arg *uaa)
1016 {
1017         struct usb_config_descriptor *cd;
1018         struct usb_cdc_acm_descriptor *acm;
1019         struct usb_cdc_cm_descriptor *cmd;
1020         struct usb_interface_descriptor *id;
1021         struct usb_interface *iface;
1022         uint8_t i;
1023         int32_t error;
1024
1025         cd = usbd_get_config_descriptor(uaa->device);
1026         id = usbd_get_interface_descriptor(uaa->iface);
1027
1028         cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1029
1030         if ((cmd == NULL) ||
1031             (cmd->bLength < sizeof(*cmd))) {
1032                 return (EINVAL);
1033         }
1034         sc->sc_cm_cap = cmd->bmCapabilities;
1035         sc->sc_data_iface_no = cmd->bDataInterface;
1036
1037         acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1038
1039         if ((acm == NULL) ||
1040             (acm->bLength < sizeof(*acm))) {
1041                 return (EINVAL);
1042         }
1043         sc->sc_acm_cap = acm->bmCapabilities;
1044
1045         device_printf(dev, "data interface %d, has %sCM over data, "
1046             "has %sbreak\n",
1047             sc->sc_data_iface_no,
1048             sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1049             sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1050
1051         /* get the data interface too */
1052
1053         for (i = 0;; i++) {
1054
1055                 iface = usbd_get_iface(uaa->device, i);
1056
1057                 if (iface) {
1058
1059                         id = usbd_get_interface_descriptor(iface);
1060
1061                         if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1062                                 sc->sc_data_iface_index = i;
1063                                 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1064                                 break;
1065                         }
1066                 } else {
1067                         device_printf(dev, "no data interface\n");
1068                         return (EINVAL);
1069                 }
1070         }
1071
1072         error = usbd_transfer_setup(uaa->device,
1073             &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1074             ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_lock);
1075
1076         if (error) {
1077                 device_printf(dev, "allocating BULK USB "
1078                     "transfers failed\n");
1079                 return (EINVAL);
1080         }
1081         return (0);
1082 }
1083
1084 static void
1085 ufoma_start_read(struct ucom_softc *ucom)
1086 {
1087         struct ufoma_softc *sc = ucom->sc_parent;
1088
1089         /* start interrupt transfer */
1090         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1091
1092         /* start data transfer */
1093         if (sc->sc_nobulk) {
1094                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1095         } else {
1096                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1097         }
1098 }
1099
1100 static void
1101 ufoma_stop_read(struct ucom_softc *ucom)
1102 {
1103         struct ufoma_softc *sc = ucom->sc_parent;
1104
1105         /* stop interrupt transfer */
1106         usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1107
1108         /* stop data transfer */
1109         if (sc->sc_nobulk) {
1110                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1111         } else {
1112                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1113         }
1114 }
1115
1116 static void
1117 ufoma_start_write(struct ucom_softc *ucom)
1118 {
1119         struct ufoma_softc *sc = ucom->sc_parent;
1120
1121         if (sc->sc_nobulk) {
1122                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1123         } else {
1124                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1125         }
1126 }
1127
1128 static void
1129 ufoma_stop_write(struct ucom_softc *ucom)
1130 {
1131         struct ufoma_softc *sc = ucom->sc_parent;
1132
1133         if (sc->sc_nobulk) {
1134                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1135         } else {
1136                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1137         }
1138 }
1139
1140 static struct umcpc_modetostr_tab{
1141         int mode;
1142         char *str;
1143 }umcpc_modetostr_tab[]={
1144         {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1145         {UMCPC_ACM_MODE_MODEM, "modem"},
1146         {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1147         {UMCPC_ACM_MODE_OBEX, "obex"},
1148         {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1149         {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1150         {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1151         {0, NULL}
1152 };
1153
1154 static char *ufoma_mode_to_str(int mode)
1155 {
1156         int i;
1157         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1158                 if(umcpc_modetostr_tab[i].mode == mode){
1159                         return umcpc_modetostr_tab[i].str;
1160                 }
1161         }
1162         return NULL;
1163 }
1164
1165 static int ufoma_str_to_mode(char *str)
1166 {
1167         int i;
1168         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1169                 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1170                         return umcpc_modetostr_tab[i].mode;
1171                 }
1172         }
1173         return -1;
1174 }
1175
1176 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1177 {
1178         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1179         struct sbuf sb;
1180         int i;
1181         char *mode;
1182
1183         sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1184         for(i = 1; i < sc->sc_modetable[0]; i++){
1185                 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1186                 if(mode !=NULL){
1187                         sbuf_cat(&sb, mode);
1188                 }else{
1189                         sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1190                 }
1191                 if(i < (sc->sc_modetable[0]-1))
1192                         sbuf_cat(&sb, ",");
1193         }
1194         sbuf_trim(&sb);
1195         sbuf_finish(&sb);
1196         sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1197         sbuf_delete(&sb);
1198
1199         return 0;
1200 }
1201 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1202 {
1203         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1204         char *mode;
1205         char subbuf[]="(XXX)";
1206         mode = ufoma_mode_to_str(sc->sc_currentmode);
1207         if(!mode){
1208                 mode = subbuf;
1209                 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1210         }
1211         sysctl_handle_string(oidp, mode, strlen(mode), req);
1212
1213         return 0;
1214
1215 }
1216 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1217 {
1218         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1219         char *mode;
1220         char subbuf[40];
1221         int newmode;
1222         int error;
1223         int i;
1224
1225         mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1226         if(mode){
1227                 strncpy(subbuf, mode, sizeof(subbuf));
1228         }else{
1229                 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1230         }
1231         error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1232         if(error != 0 || req->newptr == NULL){
1233                 return error;
1234         }
1235
1236         if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1237                 return EINVAL;
1238         }
1239
1240         for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1241                 if(sc->sc_modetable[i] == newmode){
1242                         sc->sc_modetoactivate = newmode;
1243                         return 0;
1244                 }
1245         }
1246
1247         return EINVAL;
1248 }
1249
1250 static void
1251 ufoma_poll(struct ucom_softc *ucom)
1252 {
1253         struct ufoma_softc *sc = ucom->sc_parent;
1254         usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1255         usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1256 }