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/module.h>
  94 #include <sys/lock.h>
  95 #include <sys/mutex.h>
  96 #include <sys/condvar.h>
  97 #include <sys/sysctl.h>
  98 #include <sys/sx.h>
  99 #include <sys/unistd.h>
 100 #include <sys/callout.h>
 101 #include <sys/malloc.h>
 102 #include <sys/priv.h>
 103 #include <sys/sbuf.h>
 104
 105 #include <dev/usb/usb.h>
 106 #include <dev/usb/usbdi.h>
 107 #include <dev/usb/usbdi_util.h>
 108 #include <dev/usb/usb_cdc.h>
 109 #include "usbdevs.h"
 110
 111 #define USB_DEBUG_VAR usb_debug
 112 #include <dev/usb/usb_debug.h>
 113 #include <dev/usb/usb_process.h>
 114
 115 #include <dev/usb/serial/usb_serial.h>
 116
 117 typedef struct ufoma_mobile_acm_descriptor {
 118         uint8_t bFunctionLength;
 119         uint8_t bDescriptorType;
 120         uint8_t bDescriptorSubtype;
 121         uint8_t bType;
 122         uint8_t bMode[1];
 123 } __packed usb_mcpc_acm_descriptor;
 124
 125 #define UISUBCLASS_MCPC 0x88
 126
 127 #define UDESC_VS_INTERFACE 0x44
 128 #define UDESCSUB_MCPC_ACM  0x11
 129
 130 #define UMCPC_ACM_TYPE_AB1 0x1
 131 #define UMCPC_ACM_TYPE_AB2 0x2
 132 #define UMCPC_ACM_TYPE_AB5 0x5
 133 #define UMCPC_ACM_TYPE_AB6 0x6
 134
 135 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
 136 #define UMCPC_ACM_MODE_MODEM 0x1
 137 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
 138 #define UMCPC_ACM_MODE_OBEX 0x60
 139 #define UMCPC_ACM_MODE_VENDOR1 0xc0
 140 #define UMCPC_ACM_MODE_VENDOR2 0xfe
 141 #define UMCPC_ACM_MODE_UNLINKED 0xff
 142
 143 #define UMCPC_CM_MOBILE_ACM 0x0
 144
 145 #define UMCPC_ACTIVATE_MODE 0x60
 146 #define UMCPC_GET_MODETABLE 0x61
 147 #define UMCPC_SET_LINK 0x62
 148 #define UMCPC_CLEAR_LINK 0x63
 149
 150 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
 151
 152 #define UFOMA_MAX_TIMEOUT 15            /* standard says 10 seconds */
 153 #define UFOMA_CMD_BUF_SIZE 64           /* bytes */
 154
 155 #define UFOMA_BULK_BUF_SIZE 1024        /* bytes */
 156
 157 enum {
 158         UFOMA_CTRL_ENDPT_INTR,
 159         UFOMA_CTRL_ENDPT_READ,
 160         UFOMA_CTRL_ENDPT_WRITE,
 161         UFOMA_CTRL_ENDPT_MAX,
 162 };
 163
 164 enum {
 165         UFOMA_BULK_ENDPT_WRITE,
 166         UFOMA_BULK_ENDPT_READ,
 167         UFOMA_BULK_ENDPT_MAX,
 168 };
 169
 170 struct ufoma_softc {
 171         struct ucom_super_softc sc_super_ucom;
 172         struct ucom_softc sc_ucom;
 173         struct cv sc_cv;
 174         struct mtx sc_mtx;
 175
 176         struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
 177         struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
 178         uint8_t *sc_modetable;
 179         device_t sc_dev;
 180         struct usb_device *sc_udev;
 181
 182         uint32_t sc_unit;
 183
 184         uint16_t sc_line;
 185
 186         uint8_t sc_num_msg;
 187         uint8_t sc_nobulk;
 188         uint8_t sc_ctrl_iface_no;
 189         uint8_t sc_ctrl_iface_index;
 190         uint8_t sc_data_iface_no;
 191         uint8_t sc_data_iface_index;
 192         uint8_t sc_cm_cap;
 193         uint8_t sc_acm_cap;
 194         uint8_t sc_lsr;
 195         uint8_t sc_msr;
 196         uint8_t sc_modetoactivate;
 197         uint8_t sc_currentmode;
 198         uint8_t sc_name[16];
 199 };
 200
 201 /* prototypes */
 202
 203 static device_probe_t ufoma_probe;
 204 static device_attach_t ufoma_attach;
 205 static device_detach_t ufoma_detach;
 206
 207 static usb_callback_t ufoma_ctrl_read_callback;
 208 static usb_callback_t ufoma_ctrl_write_callback;
 209 static usb_callback_t ufoma_intr_callback;
 210 static usb_callback_t ufoma_bulk_write_callback;
 211 static usb_callback_t ufoma_bulk_read_callback;
 212
 213 static void     *ufoma_get_intconf(struct usb_config_descriptor *,
 214                     struct usb_interface_descriptor *, uint8_t, uint8_t);
 215 static void     ufoma_cfg_link_state(struct ufoma_softc *);
 216 static void     ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
 217 static void     ufoma_cfg_open(struct ucom_softc *);
 218 static void     ufoma_cfg_close(struct ucom_softc *);
 219 static void     ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
 220 static void     ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
 221                     uint8_t *);
 222 static void     ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
 223 static void     ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
 224 static int      ufoma_pre_param(struct ucom_softc *, struct termios *);
 225 static void     ufoma_cfg_param(struct ucom_softc *, struct termios *);
 226 static int      ufoma_modem_setup(device_t, struct ufoma_softc *,
 227                     struct usb_attach_arg *);
 228 static void     ufoma_start_read(struct ucom_softc *);
 229 static void     ufoma_stop_read(struct ucom_softc *);
 230 static void     ufoma_start_write(struct ucom_softc *);
 231 static void     ufoma_stop_write(struct ucom_softc *);
 232 static void     ufoma_poll(struct ucom_softc *ucom);
 233
 234 /*sysctl stuff*/
 235 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
 236 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
 237 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
 238
 239 static const struct usb_config
 240         ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
 241
 242         [UFOMA_CTRL_ENDPT_INTR] = {
 243                 .type = UE_INTERRUPT,
 244                 .endpoint = UE_ADDR_ANY,
 245                 .direction = UE_DIR_IN,
 246                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 247                 .bufsize = sizeof(struct usb_cdc_notification),
 248                 .callback = &ufoma_intr_callback,
 249         },
 250
 251         [UFOMA_CTRL_ENDPT_READ] = {
 252                 .type = UE_CONTROL,
 253                 .endpoint = 0x00,       /* Control pipe */
 254                 .direction = UE_DIR_ANY,
 255                 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
 256                 .flags = {.short_xfer_ok = 1,},
 257                 .callback = &ufoma_ctrl_read_callback,
 258                 .timeout = 1000,        /* 1 second */
 259         },
 260
 261         [UFOMA_CTRL_ENDPT_WRITE] = {
 262                 .type = UE_CONTROL,
 263                 .endpoint = 0x00,       /* Control pipe */
 264                 .direction = UE_DIR_ANY,
 265                 .bufsize = (sizeof(struct usb_device_request) + 1),
 266                 .callback = &ufoma_ctrl_write_callback,
 267                 .timeout = 1000,        /* 1 second */
 268         },
 269 };
 270
 271 static const struct usb_config
 272         ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
 273
 274         [UFOMA_BULK_ENDPT_WRITE] = {
 275                 .type = UE_BULK,
 276                 .endpoint = UE_ADDR_ANY,
 277                 .direction = UE_DIR_OUT,
 278                 .bufsize = UFOMA_BULK_BUF_SIZE,
 279                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 280                 .callback = &ufoma_bulk_write_callback,
 281         },
 282
 283         [UFOMA_BULK_ENDPT_READ] = {
 284                 .type = UE_BULK,
 285                 .endpoint = UE_ADDR_ANY,
 286                 .direction = UE_DIR_IN,
 287                 .bufsize = UFOMA_BULK_BUF_SIZE,
 288                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 289                 .callback = &ufoma_bulk_read_callback,
 290         },
 291 };
 292
 293 static const struct ucom_callback ufoma_callback = {
 294         .ucom_cfg_get_status = &ufoma_cfg_get_status,
 295         .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
 296         .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
 297         .ucom_cfg_set_break = &ufoma_cfg_set_break,
 298         .ucom_cfg_param = &ufoma_cfg_param,
 299         .ucom_cfg_open = &ufoma_cfg_open,
 300         .ucom_cfg_close = &ufoma_cfg_close,
 301         .ucom_pre_param = &ufoma_pre_param,
 302         .ucom_start_read = &ufoma_start_read,
 303         .ucom_stop_read = &ufoma_stop_read,
 304         .ucom_start_write = &ufoma_start_write,
 305         .ucom_stop_write = &ufoma_stop_write,
 306         .ucom_poll = &ufoma_poll,
 307 };
 308
 309 static device_method_t ufoma_methods[] = {
 310         /* Device methods */
 311         DEVMETHOD(device_probe, ufoma_probe),
 312         DEVMETHOD(device_attach, ufoma_attach),
 313         DEVMETHOD(device_detach, ufoma_detach),
 314         {0, 0}
 315 };
 316
 317 static devclass_t ufoma_devclass;
 318
 319 static driver_t ufoma_driver = {
 320         .name = "ufoma",
 321         .methods = ufoma_methods,
 322         .size = sizeof(struct ufoma_softc),
 323 };
 324
 325 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0);
 326 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
 327 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
 328 MODULE_VERSION(ufoma, 1);
 329
 330 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
 331         {USB_IFACE_CLASS(UICLASS_CDC),
 332          USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
 333 };
 334
 335 static int
 336 ufoma_probe(device_t dev)
 337 {
 338         struct usb_attach_arg *uaa = device_get_ivars(dev);
 339         struct usb_interface_descriptor *id;
 340         struct usb_config_descriptor *cd;
 341         usb_mcpc_acm_descriptor *mad;
 342         int error;
 343
 344         if (uaa->usb_mode != USB_MODE_HOST)
 345                 return (ENXIO);
 346
 347         error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
 348         if (error)
 349                 return (error);
 350
 351         id = usbd_get_interface_descriptor(uaa->iface);
 352         cd = usbd_get_config_descriptor(uaa->device);
 353
 354         if (id == NULL || cd == NULL)
 355                 return (ENXIO);
 356
 357         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 358         if (mad == NULL)
 359                 return (ENXIO);
 360
 361 #ifndef UFOMA_HANDSFREE
 362         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 363             (mad->bType == UMCPC_ACM_TYPE_AB6))
 364                 return (ENXIO);
 365 #endif
 366         return (BUS_PROBE_GENERIC);
 367 }
 368
 369 static int
 370 ufoma_attach(device_t dev)
 371 {
 372         struct usb_attach_arg *uaa = device_get_ivars(dev);
 373         struct ufoma_softc *sc = device_get_softc(dev);
 374         struct usb_config_descriptor *cd;
 375         struct usb_interface_descriptor *id;
 376         struct sysctl_ctx_list *sctx;
 377         struct sysctl_oid *soid;
 378
 379         usb_mcpc_acm_descriptor *mad;
 380         uint8_t elements;
 381         int32_t error;
 382
 383         sc->sc_udev = uaa->device;
 384         sc->sc_dev = dev;
 385         sc->sc_unit = device_get_unit(dev);
 386
 387         mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF);
 388         cv_init(&sc->sc_cv, "CWAIT");
 389
 390         device_set_usb_desc(dev);
 391
 392         snprintf(sc->sc_name, sizeof(sc->sc_name),
 393             "%s", device_get_nameunit(dev));
 394
 395         DPRINTF("\n");
 396
 397         /* setup control transfers */
 398
 399         cd = usbd_get_config_descriptor(uaa->device);
 400         id = usbd_get_interface_descriptor(uaa->iface);
 401         sc->sc_ctrl_iface_no = id->bInterfaceNumber;
 402         sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex;
 403
 404         error = usbd_transfer_setup(uaa->device,
 405             &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer,
 406             ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx);
 407
 408         if (error) {
 409                 device_printf(dev, "allocating control USB "
 410                     "transfers failed\n");
 411                 goto detach;
 412         }
 413         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 414         if (mad == NULL) {
 415                 goto detach;
 416         }
 417         if (mad->bFunctionLength < sizeof(*mad)) {
 418                 device_printf(dev, "invalid MAD descriptor\n");
 419                 goto detach;
 420         }
 421         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 422             (mad->bType == UMCPC_ACM_TYPE_AB6)) {
 423                 sc->sc_nobulk = 1;
 424         } else {
 425                 sc->sc_nobulk = 0;
 426                 if (ufoma_modem_setup(dev, sc, uaa)) {
 427                         goto detach;
 428                 }
 429         }
 430
 431         elements = (mad->bFunctionLength - sizeof(*mad) + 1);
 432
 433         /* initialize mode variables */
 434
 435         sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK);
 436
 437         if (sc->sc_modetable == NULL) {
 438                 goto detach;
 439         }
 440         sc->sc_modetable[0] = (elements + 1);
 441         bcopy(mad->bMode, &sc->sc_modetable[1], elements);
 442
 443         sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
 444         sc->sc_modetoactivate = mad->bMode[0];
 445
 446         /* clear stall at first run, if any */
 447         mtx_lock(&sc->sc_mtx);
 448         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
 449         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
 450         mtx_unlock(&sc->sc_mtx);
 451
 452         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 453             &ufoma_callback, &sc->sc_mtx);
 454         if (error) {
 455                 DPRINTF("ucom_attach failed\n");
 456                 goto detach;
 457         }
 458         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 459
 460         /*Sysctls*/
 461         sctx = device_get_sysctl_ctx(dev);
 462         soid = device_get_sysctl_tree(dev);
 463
 464         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode",
 465                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support,
 466                         "A", "Supporting port role");
 467
 468         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
 469                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current,
 470                         "A", "Current port role");
 471
 472         SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
 473                         CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open,
 474                         "A", "Mode to transit when port is opened");
 475         SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit",
 476                         CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0,
 477                         "Unit number as USB serial");
 478
 479         return (0);                     /* success */
 480
 481 detach:
 482         ufoma_detach(dev);
 483         return (ENXIO);                 /* failure */
 484 }
 485
 486 static int
 487 ufoma_detach(device_t dev)
 488 {
 489         struct ufoma_softc *sc = device_get_softc(dev);
 490
 491         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 492         usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
 493         usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
 494
 495         if (sc->sc_modetable) {
 496                 free(sc->sc_modetable, M_USBDEV);
 497         }
 498         mtx_destroy(&sc->sc_mtx);
 499         cv_destroy(&sc->sc_cv);
 500
 501         return (0);
 502 }
 503
 504 static void *
 505 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
 506     uint8_t type, uint8_t subtype)
 507 {
 508         struct usb_descriptor *desc = (void *)id;
 509
 510         while ((desc = usb_desc_foreach(cd, desc))) {
 511
 512                 if (desc->bDescriptorType == UDESC_INTERFACE) {
 513                         return (NULL);
 514                 }
 515                 if ((desc->bDescriptorType == type) &&
 516                     (desc->bDescriptorSubtype == subtype)) {
 517                         break;
 518                 }
 519         }
 520         return (desc);
 521 }
 522
 523 static void
 524 ufoma_cfg_link_state(struct ufoma_softc *sc)
 525 {
 526         struct usb_device_request req;
 527         int32_t error;
 528
 529         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 530         req.bRequest = UMCPC_SET_LINK;
 531         USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
 532         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 533         USETW(req.wLength, sc->sc_modetable[0]);
 534
 535         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 536             &req, sc->sc_modetable, 0, 1000);
 537
 538         error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz);
 539
 540         if (error) {
 541                 DPRINTF("NO response\n");
 542         }
 543 }
 544
 545 static void
 546 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
 547 {
 548         struct usb_device_request req;
 549         int32_t error;
 550
 551         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 552         req.bRequest = UMCPC_ACTIVATE_MODE;
 553         USETW(req.wValue, state);
 554         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 555         USETW(req.wLength, 0);
 556
 557         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 558             &req, NULL, 0, 1000);
 559
 560         error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx,
 561             (UFOMA_MAX_TIMEOUT * hz));
 562         if (error) {
 563                 DPRINTF("No response\n");
 564         }
 565 }
 566
 567 static void
 568 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
 569 {
 570         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 571         struct usb_device_request req;
 572         struct usb_page_cache *pc0, *pc1;
 573         int len, aframes, nframes;
 574
 575         usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
 576
 577         switch (USB_GET_STATE(xfer)) {
 578         case USB_ST_TRANSFERRED:
 579 tr_transferred:
 580                 if (aframes != nframes)
 581                         goto tr_setup;
 582                 pc1 = usbd_xfer_get_frame(xfer, 1);
 583                 len = usbd_xfer_frame_len(xfer, 1);
 584                 if (len > 0)
 585                         ucom_put_data(&sc->sc_ucom, pc1, 0, len);
 586                 /* FALLTHROUGH */
 587         case USB_ST_SETUP:
 588 tr_setup:
 589                 if (sc->sc_num_msg) {
 590                         sc->sc_num_msg--;
 591
 592                         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 593                         req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
 594                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 595                         USETW(req.wValue, 0);
 596                         USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
 597
 598                         pc0 = usbd_xfer_get_frame(xfer, 0);
 599                         usbd_copy_in(pc0, 0, &req, sizeof(req));
 600
 601                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 602                         usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
 603                         usbd_xfer_set_frames(xfer, 2);
 604                         usbd_transfer_submit(xfer);
 605                 }
 606                 return;
 607
 608         default:                        /* Error */
 609                 DPRINTF("error = %s\n",
 610                     usbd_errstr(error));
 611
 612                 if (error == USB_ERR_CANCELLED) {
 613                         return;
 614                 } else {
 615                         goto tr_setup;
 616                 }
 617
 618                 goto tr_transferred;
 619         }
 620 }
 621
 622 static void
 623 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
 624 {
 625         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 626         struct usb_device_request req;
 627         struct usb_page_cache *pc;
 628         uint32_t actlen;
 629
 630         switch (USB_GET_STATE(xfer)) {
 631         case USB_ST_TRANSFERRED:
 632 tr_transferred:
 633         case USB_ST_SETUP:
 634 tr_setup:
 635                 pc = usbd_xfer_get_frame(xfer, 1);
 636                 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
 637
 638                         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 639                         req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
 640                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 641                         USETW(req.wValue, 0);
 642                         USETW(req.wLength, 1);
 643
 644                         pc = usbd_xfer_get_frame(xfer, 0);
 645                         usbd_copy_in(pc, 0, &req, sizeof(req));
 646
 647                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 648                         usbd_xfer_set_frame_len(xfer, 1, 1);
 649                         usbd_xfer_set_frames(xfer, 2);
 650
 651                         usbd_transfer_submit(xfer);
 652                 }
 653                 return;
 654
 655         default:                        /* Error */
 656                 DPRINTF("error = %s\n", usbd_errstr(error));
 657
 658                 if (error == USB_ERR_CANCELLED) {
 659                         return;
 660                 } else {
 661                         goto tr_setup;
 662                 }
 663
 664                 goto tr_transferred;
 665         }
 666 }
 667
 668 static void
 669 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 670 {
 671         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 672         struct usb_cdc_notification pkt;
 673         struct usb_page_cache *pc;
 674         uint16_t wLen;
 675         uint16_t temp;
 676         uint8_t mstatus;
 677         int actlen;
 678
 679         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 680
 681         switch (USB_GET_STATE(xfer)) {
 682         case USB_ST_TRANSFERRED:
 683                 if (actlen < 8) {
 684                         DPRINTF("too short message\n");
 685                         goto tr_setup;
 686                 }
 687                 if (actlen > sizeof(pkt)) {
 688                         DPRINTF("truncating message\n");
 689                         actlen = sizeof(pkt);
 690                 }
 691                 pc = usbd_xfer_get_frame(xfer, 0);
 692                 usbd_copy_out(pc, 0, &pkt, actlen);
 693
 694                 actlen -= 8;
 695
 696                 wLen = UGETW(pkt.wLength);
 697                 if (actlen > wLen) {
 698                         actlen = wLen;
 699                 }
 700                 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
 701                     (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
 702                         temp = UGETW(pkt.wValue);
 703                         sc->sc_currentmode = (temp >> 8);
 704                         if (!(temp & 0xff)) {
 705                                 DPRINTF("Mode change failed!\n");
 706                         }
 707                         cv_signal(&sc->sc_cv);
 708                 }
 709                 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
 710                         goto tr_setup;
 711                 }
 712                 switch (pkt.bNotification) {
 713                 case UCDC_N_RESPONSE_AVAILABLE:
 714                         if (!(sc->sc_nobulk)) {
 715                                 DPRINTF("Wrong serial state!\n");
 716                                 break;
 717                         }
 718                         if (sc->sc_num_msg != 0xFF) {
 719                                 sc->sc_num_msg++;
 720                         }
 721                         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
 722                         break;
 723
 724                 case UCDC_N_SERIAL_STATE:
 725                         if (sc->sc_nobulk) {
 726                                 DPRINTF("Wrong serial state!\n");
 727                                 break;
 728                         }
 729                         /*
 730                          * Set the serial state in ucom driver based on
 731                          * the bits from the notify message
 732                          */
 733                         if (actlen < 2) {
 734                                 DPRINTF("invalid notification "
 735                                     "length, %d bytes!\n", actlen);
 736                                 break;
 737                         }
 738                         DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
 739                             pkt.data[0], pkt.data[1]);
 740
 741                         /* currently, lsr is always zero. */
 742                         sc->sc_lsr = 0;
 743                         sc->sc_msr = 0;
 744
 745                         mstatus = pkt.data[0];
 746
 747                         if (mstatus & UCDC_N_SERIAL_RI) {
 748                                 sc->sc_msr |= SER_RI;
 749                         }
 750                         if (mstatus & UCDC_N_SERIAL_DSR) {
 751                                 sc->sc_msr |= SER_DSR;
 752                         }
 753                         if (mstatus & UCDC_N_SERIAL_DCD) {
 754                                 sc->sc_msr |= SER_DCD;
 755                         }
 756                         ucom_status_change(&sc->sc_ucom);
 757                         break;
 758
 759                 default:
 760                         break;
 761                 }
 762
 763         case USB_ST_SETUP:
 764 tr_setup:
 765                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 766                 usbd_transfer_submit(xfer);
 767                 return;
 768
 769         default:                        /* Error */
 770                 if (error != USB_ERR_CANCELLED) {
 771                         /* try to clear stall first */
 772                         usbd_xfer_set_stall(xfer);
 773                         goto tr_setup;
 774                 }
 775                 return;
 776         }
 777 }
 778
 779 static void
 780 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
 781 {
 782         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 783         struct usb_page_cache *pc;
 784         uint32_t actlen;
 785
 786         switch (USB_GET_STATE(xfer)) {
 787         case USB_ST_SETUP:
 788         case USB_ST_TRANSFERRED:
 789 tr_setup:
 790                 pc = usbd_xfer_get_frame(xfer, 0);
 791                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 792                     UFOMA_BULK_BUF_SIZE, &actlen)) {
 793                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 794                         usbd_transfer_submit(xfer);
 795                 }
 796                 return;
 797
 798         default:                        /* Error */
 799                 if (error != USB_ERR_CANCELLED) {
 800                         /* try to clear stall first */
 801                         usbd_xfer_set_stall(xfer);
 802                         goto tr_setup;
 803                 }
 804                 return;
 805         }
 806 }
 807
 808 static void
 809 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
 810 {
 811         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 812         struct usb_page_cache *pc;
 813         int actlen;
 814
 815         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 816
 817         switch (USB_GET_STATE(xfer)) {
 818         case USB_ST_TRANSFERRED:
 819                 pc = usbd_xfer_get_frame(xfer, 0);
 820                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 821
 822         case USB_ST_SETUP:
 823 tr_setup:
 824                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 825                 usbd_transfer_submit(xfer);
 826                 return;
 827
 828         default:                        /* Error */
 829                 if (error != USB_ERR_CANCELLED) {
 830                         /* try to clear stall first */
 831                         usbd_xfer_set_stall(xfer);
 832                         goto tr_setup;
 833                 }
 834                 return;
 835         }
 836 }
 837
 838 static void
 839 ufoma_cfg_open(struct ucom_softc *ucom)
 840 {
 841         struct ufoma_softc *sc = ucom->sc_parent;
 842
 843         /* empty input queue */
 844
 845         if (sc->sc_num_msg != 0xFF) {
 846                 sc->sc_num_msg++;
 847         }
 848         if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
 849                 ufoma_cfg_link_state(sc);
 850         }
 851         if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
 852                 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
 853         }
 854 }
 855
 856 static void
 857 ufoma_cfg_close(struct ucom_softc *ucom)
 858 {
 859         struct ufoma_softc *sc = ucom->sc_parent;
 860
 861         ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
 862 }
 863
 864 static void
 865 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 866 {
 867         struct ufoma_softc *sc = ucom->sc_parent;
 868         struct usb_device_request req;
 869         uint16_t wValue;
 870
 871         if (sc->sc_nobulk ||
 872             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 873                 return;
 874         }
 875         if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
 876                 return;
 877         }
 878         wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
 879
 880         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 881         req.bRequest = UCDC_SEND_BREAK;
 882         USETW(req.wValue, wValue);
 883         req.wIndex[0] = sc->sc_ctrl_iface_no;
 884         req.wIndex[1] = 0;
 885         USETW(req.wLength, 0);
 886
 887         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 888             &req, NULL, 0, 1000);
 889 }
 890
 891 static void
 892 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 893 {
 894         struct ufoma_softc *sc = ucom->sc_parent;
 895
 896         *lsr = sc->sc_lsr;
 897         *msr = sc->sc_msr;
 898 }
 899
 900 static void
 901 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
 902 {
 903         struct usb_device_request req;
 904
 905         /* Don't send line state emulation request for OBEX port */
 906         if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
 907                 return;
 908         }
 909         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 910         req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
 911         USETW(req.wValue, sc->sc_line);
 912         req.wIndex[0] = sc->sc_ctrl_iface_no;
 913         req.wIndex[1] = 0;
 914         USETW(req.wLength, 0);
 915
 916         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 917             &req, NULL, 0, 1000);
 918 }
 919
 920 static void
 921 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 922 {
 923         struct ufoma_softc *sc = ucom->sc_parent;
 924
 925         if (sc->sc_nobulk) {
 926                 return;
 927         }
 928         if (onoff)
 929                 sc->sc_line |= UCDC_LINE_DTR;
 930         else
 931                 sc->sc_line &= ~UCDC_LINE_DTR;
 932
 933         ufoma_cfg_set_line_state(sc);
 934 }
 935
 936 static void
 937 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 938 {
 939         struct ufoma_softc *sc = ucom->sc_parent;
 940
 941         if (sc->sc_nobulk) {
 942                 return;
 943         }
 944         if (onoff)
 945                 sc->sc_line |= UCDC_LINE_RTS;
 946         else
 947                 sc->sc_line &= ~UCDC_LINE_RTS;
 948
 949         ufoma_cfg_set_line_state(sc);
 950 }
 951
 952 static int
 953 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
 954 {
 955         return (0);                     /* we accept anything */
 956 }
 957
 958 static void
 959 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
 960 {
 961         struct ufoma_softc *sc = ucom->sc_parent;
 962         struct usb_device_request req;
 963         struct usb_cdc_line_state ls;
 964
 965         if (sc->sc_nobulk ||
 966             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 967                 return;
 968         }
 969         DPRINTF("\n");
 970
 971         bzero(&ls, sizeof(ls));
 972
 973         USETDW(ls.dwDTERate, t->c_ospeed);
 974
 975         if (t->c_cflag & CSTOPB) {
 976                 ls.bCharFormat = UCDC_STOP_BIT_2;
 977         } else {
 978                 ls.bCharFormat = UCDC_STOP_BIT_1;
 979         }
 980
 981         if (t->c_cflag & PARENB) {
 982                 if (t->c_cflag & PARODD) {
 983                         ls.bParityType = UCDC_PARITY_ODD;
 984                 } else {
 985                         ls.bParityType = UCDC_PARITY_EVEN;
 986                 }
 987         } else {
 988                 ls.bParityType = UCDC_PARITY_NONE;
 989         }
 990
 991         switch (t->c_cflag & CSIZE) {
 992         case CS5:
 993                 ls.bDataBits = 5;
 994                 break;
 995         case CS6:
 996                 ls.bDataBits = 6;
 997                 break;
 998         case CS7:
 999                 ls.bDataBits = 7;
1000                 break;
1001         case CS8:
1002                 ls.bDataBits = 8;
1003                 break;
1004         }
1005
1006         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
1007         req.bRequest = UCDC_SET_LINE_CODING;
1008         USETW(req.wValue, 0);
1009         req.wIndex[0] = sc->sc_ctrl_iface_no;
1010         req.wIndex[1] = 0;
1011         USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1012
1013         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1014             &req, &ls, 0, 1000);
1015 }
1016
1017 static int
1018 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1019     struct usb_attach_arg *uaa)
1020 {
1021         struct usb_config_descriptor *cd;
1022         struct usb_cdc_acm_descriptor *acm;
1023         struct usb_cdc_cm_descriptor *cmd;
1024         struct usb_interface_descriptor *id;
1025         struct usb_interface *iface;
1026         uint8_t i;
1027         int32_t error;
1028
1029         cd = usbd_get_config_descriptor(uaa->device);
1030         id = usbd_get_interface_descriptor(uaa->iface);
1031
1032         cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1033
1034         if ((cmd == NULL) ||
1035             (cmd->bLength < sizeof(*cmd))) {
1036                 return (EINVAL);
1037         }
1038         sc->sc_cm_cap = cmd->bmCapabilities;
1039         sc->sc_data_iface_no = cmd->bDataInterface;
1040
1041         acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1042
1043         if ((acm == NULL) ||
1044             (acm->bLength < sizeof(*acm))) {
1045                 return (EINVAL);
1046         }
1047         sc->sc_acm_cap = acm->bmCapabilities;
1048
1049         device_printf(dev, "data interface %d, has %sCM over data, "
1050             "has %sbreak\n",
1051             sc->sc_data_iface_no,
1052             sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1053             sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1054
1055         /* get the data interface too */
1056
1057         for (i = 0;; i++) {
1058
1059                 iface = usbd_get_iface(uaa->device, i);
1060
1061                 if (iface) {
1062
1063                         id = usbd_get_interface_descriptor(iface);
1064
1065                         if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1066                                 sc->sc_data_iface_index = i;
1067                                 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1068                                 break;
1069                         }
1070                 } else {
1071                         device_printf(dev, "no data interface\n");
1072                         return (EINVAL);
1073                 }
1074         }
1075
1076         error = usbd_transfer_setup(uaa->device,
1077             &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1078             ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx);
1079
1080         if (error) {
1081                 device_printf(dev, "allocating BULK USB "
1082                     "transfers failed\n");
1083                 return (EINVAL);
1084         }
1085         return (0);
1086 }
1087
1088 static void
1089 ufoma_start_read(struct ucom_softc *ucom)
1090 {
1091         struct ufoma_softc *sc = ucom->sc_parent;
1092
1093         /* start interrupt transfer */
1094         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1095
1096         /* start data transfer */
1097         if (sc->sc_nobulk) {
1098                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1099         } else {
1100                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1101         }
1102 }
1103
1104 static void
1105 ufoma_stop_read(struct ucom_softc *ucom)
1106 {
1107         struct ufoma_softc *sc = ucom->sc_parent;
1108
1109         /* stop interrupt transfer */
1110         usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1111
1112         /* stop data transfer */
1113         if (sc->sc_nobulk) {
1114                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1115         } else {
1116                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1117         }
1118 }
1119
1120 static void
1121 ufoma_start_write(struct ucom_softc *ucom)
1122 {
1123         struct ufoma_softc *sc = ucom->sc_parent;
1124
1125         if (sc->sc_nobulk) {
1126                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1127         } else {
1128                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1129         }
1130 }
1131
1132 static void
1133 ufoma_stop_write(struct ucom_softc *ucom)
1134 {
1135         struct ufoma_softc *sc = ucom->sc_parent;
1136
1137         if (sc->sc_nobulk) {
1138                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1139         } else {
1140                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1141         }
1142 }
1143
1144 static struct umcpc_modetostr_tab{
1145         int mode;
1146         char *str;
1147 }umcpc_modetostr_tab[]={
1148         {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1149         {UMCPC_ACM_MODE_MODEM, "modem"},
1150         {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1151         {UMCPC_ACM_MODE_OBEX, "obex"},
1152         {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1153         {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1154         {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1155         {0, NULL}
1156 };
1157
1158 static char *ufoma_mode_to_str(int mode)
1159 {
1160         int i;
1161         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1162                 if(umcpc_modetostr_tab[i].mode == mode){
1163                         return umcpc_modetostr_tab[i].str;
1164                 }
1165         }
1166         return NULL;
1167 }
1168
1169 static int ufoma_str_to_mode(char *str)
1170 {
1171         int i;
1172         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1173                 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1174                         return umcpc_modetostr_tab[i].mode;
1175                 }
1176         }
1177         return -1;
1178 }
1179
1180 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1181 {
1182         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1183         struct sbuf sb;
1184         int i;
1185         char *mode;
1186
1187         sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1188         for(i = 1; i < sc->sc_modetable[0]; i++){
1189                 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1190                 if(mode !=NULL){
1191                         sbuf_cat(&sb, mode);
1192                 }else{
1193                         sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1194                 }
1195                 if(i < (sc->sc_modetable[0]-1))
1196                         sbuf_cat(&sb, ",");
1197         }
1198         sbuf_trim(&sb);
1199         sbuf_finish(&sb);
1200         sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1201         sbuf_delete(&sb);
1202
1203         return 0;
1204 }
1205 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1206 {
1207         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1208         char *mode;
1209         char subbuf[]="(XXX)";
1210         mode = ufoma_mode_to_str(sc->sc_currentmode);
1211         if(!mode){
1212                 mode = subbuf;
1213                 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1214         }
1215         sysctl_handle_string(oidp, mode, strlen(mode), req);
1216
1217         return 0;
1218
1219 }
1220 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1221 {
1222         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1223         char *mode;
1224         char subbuf[40];
1225         int newmode;
1226         int error;
1227         int i;
1228
1229         mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1230         if(mode){
1231                 strncpy(subbuf, mode, sizeof(subbuf));
1232         }else{
1233                 snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1234         }
1235         error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1236         if(error != 0 || req->newptr == NULL){
1237                 return error;
1238         }
1239
1240         if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1241                 return EINVAL;
1242         }
1243
1244         for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1245                 if(sc->sc_modetable[i] == newmode){
1246                         sc->sc_modetoactivate = newmode;
1247                         return 0;
1248                 }
1249         }
1250
1251         return EINVAL;
1252 }
1253
1254 static void
1255 ufoma_poll(struct ucom_softc *ucom)
1256 {
1257         struct ufoma_softc *sc = ucom->sc_parent;
1258         usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1259         usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1260 }