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