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