sys/bus/u4b/serial/ufoma.c

   1 /*      $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $       */
   2
   3 #define UFOMA_HANDSFREE
   4 /*-
   5  * Copyright (c) 2005, Takanori Watanabe
   6  * Copyright (c) 2003, M. Warner Losh <imp@FreeBSD.org>.
   7  * All rights reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the above copyright
  15  *    notice, this list of conditions and the following disclaimer in the
  16  *    documentation and/or other materials provided with the distribution.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28  * SUCH DAMAGE.
  29  */
  30
  31 /*-
  32  * Copyright (c) 1998 The NetBSD Foundation, Inc.
  33  * All rights reserved.
  34  *
  35  * This code is derived from software contributed to The NetBSD Foundation
  36  * by Lennart Augustsson (lennart@augustsson.net) at
  37  * Carlstedt Research & Technology.
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  * 1. Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  * 2. Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in the
  46  *    documentation and/or other materials provided with the distribution.
  47  * 3. All advertising materials mentioning features or use of this software
  48  *    must display the following acknowledgement:
  49  *        This product includes software developed by the NetBSD
  50  *        Foundation, Inc. and its contributors.
  51  * 4. Neither the name of The NetBSD Foundation nor the names of its
  52  *    contributors may be used to endorse or promote products derived
  53  *    from this software without specific prior written permission.
  54  *
  55  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  56  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  57  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  58  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  59  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  60  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  61  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  62  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  63  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  64  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  65  * POSSIBILITY OF SUCH DAMAGE.
  66  */
  67
  68 /*
  69  * Comm Class spec:  http://www.usb.org/developers/devclass_docs/usbccs10.pdf
  70  *                   http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
  71  */
  72
  73 /*
  74  * TODO:
  75  * - Implement a Call Device for modems without multiplexed commands.
  76  */
  77
  78 /*
  79  * NOTE: all function names beginning like "ufoma_cfg_" can only
  80  * be called from within the config thread function !
  81  */
  82
  83 #include <sys/stdint.h>
  84 #include <sys/param.h>
  85 #include <sys/queue.h>
  86 #include <sys/types.h>
  87 #include <sys/systm.h>
  88 #include <sys/kernel.h>
  89 #include <sys/bus.h>
  90 #include <sys/module.h>
  91 #include <sys/lock.h>
  92 #include <sys/condvar.h>
  93 #include <sys/sysctl.h>
  94 #include <sys/unistd.h>
  95 #include <sys/callout.h>
  96 #include <sys/malloc.h>
  97 #include <sys/priv.h>
  98 #include <sys/sbuf.h>
  99
 100 #include <bus/u4b/usb.h>
 101 #include <bus/u4b/usbdi.h>
 102 #include <bus/u4b/usbdi_util.h>
 103 #include <bus/u4b/usb_cdc.h>
 104 #include <bus/u4b/usbdevs.h>
 105
 106 #define USB_DEBUG_VAR usb_debug
 107 #include <bus/u4b/usb_debug.h>
 108 #include <bus/u4b/usb_process.h>
 109
 110 #include <bus/u4b/serial/usb_serial.h>
 111
 112 typedef struct ufoma_mobile_acm_descriptor {
 113         uint8_t bFunctionLength;
 114         uint8_t bDescriptorType;
 115         uint8_t bDescriptorSubtype;
 116         uint8_t bType;
 117         uint8_t bMode[1];
 118 } __packed usb_mcpc_acm_descriptor;
 119
 120 #define UISUBCLASS_MCPC 0x88
 121
 122 #define UDESC_VS_INTERFACE 0x44
 123 #define UDESCSUB_MCPC_ACM  0x11
 124
 125 #define UMCPC_ACM_TYPE_AB1 0x1
 126 #define UMCPC_ACM_TYPE_AB2 0x2
 127 #define UMCPC_ACM_TYPE_AB5 0x5
 128 #define UMCPC_ACM_TYPE_AB6 0x6
 129
 130 #define UMCPC_ACM_MODE_DEACTIVATED 0x0
 131 #define UMCPC_ACM_MODE_MODEM 0x1
 132 #define UMCPC_ACM_MODE_ATCOMMAND 0x2
 133 #define UMCPC_ACM_MODE_OBEX 0x60
 134 #define UMCPC_ACM_MODE_VENDOR1 0xc0
 135 #define UMCPC_ACM_MODE_VENDOR2 0xfe
 136 #define UMCPC_ACM_MODE_UNLINKED 0xff
 137
 138 #define UMCPC_CM_MOBILE_ACM 0x0
 139
 140 #define UMCPC_ACTIVATE_MODE 0x60
 141 #define UMCPC_GET_MODETABLE 0x61
 142 #define UMCPC_SET_LINK 0x62
 143 #define UMCPC_CLEAR_LINK 0x63
 144
 145 #define UMCPC_REQUEST_ACKNOWLEDGE 0x31
 146
 147 #define UFOMA_MAX_TIMEOUT 15            /* standard says 10 seconds */
 148 #define UFOMA_CMD_BUF_SIZE 64           /* bytes */
 149
 150 #define UFOMA_BULK_BUF_SIZE 1024        /* bytes */
 151
 152 enum {
 153         UFOMA_CTRL_ENDPT_INTR,
 154         UFOMA_CTRL_ENDPT_READ,
 155         UFOMA_CTRL_ENDPT_WRITE,
 156         UFOMA_CTRL_ENDPT_MAX,
 157 };
 158
 159 enum {
 160         UFOMA_BULK_ENDPT_WRITE,
 161         UFOMA_BULK_ENDPT_READ,
 162         UFOMA_BULK_ENDPT_MAX,
 163 };
 164
 165 struct ufoma_softc {
 166         struct ucom_super_softc sc_super_ucom;
 167         struct ucom_softc sc_ucom;
 168         struct cv sc_cv;
 169         struct lock sc_lock;
 170         struct sysctl_ctx_list sc_sysctl_ctx;
 171         struct sysctl_oid *sc_sysctl_tree;
 172
 173         struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX];
 174         struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX];
 175         uint8_t *sc_modetable;
 176         device_t sc_dev;
 177         struct usb_device *sc_udev;
 178
 179         uint32_t sc_unit;
 180
 181         uint16_t sc_line;
 182
 183         uint8_t sc_num_msg;
 184         uint8_t sc_nobulk;
 185         uint8_t sc_ctrl_iface_no;
 186         uint8_t sc_ctrl_iface_index;
 187         uint8_t sc_data_iface_no;
 188         uint8_t sc_data_iface_index;
 189         uint8_t sc_cm_cap;
 190         uint8_t sc_acm_cap;
 191         uint8_t sc_lsr;
 192         uint8_t sc_msr;
 193         uint8_t sc_modetoactivate;
 194         uint8_t sc_currentmode;
 195         uint8_t sc_name[16];
 196 };
 197
 198 /* prototypes */
 199
 200 static device_probe_t ufoma_probe;
 201 static device_attach_t ufoma_attach;
 202 static device_detach_t ufoma_detach;
 203
 204 static usb_callback_t ufoma_ctrl_read_callback;
 205 static usb_callback_t ufoma_ctrl_write_callback;
 206 static usb_callback_t ufoma_intr_callback;
 207 static usb_callback_t ufoma_bulk_write_callback;
 208 static usb_callback_t ufoma_bulk_read_callback;
 209
 210 static void     *ufoma_get_intconf(struct usb_config_descriptor *,
 211                     struct usb_interface_descriptor *, uint8_t, uint8_t);
 212 static void     ufoma_cfg_link_state(struct ufoma_softc *);
 213 static void     ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t);
 214 static void     ufoma_cfg_open(struct ucom_softc *);
 215 static void     ufoma_cfg_close(struct ucom_softc *);
 216 static void     ufoma_cfg_set_break(struct ucom_softc *, uint8_t);
 217 static void     ufoma_cfg_get_status(struct ucom_softc *, uint8_t *,
 218                     uint8_t *);
 219 static void     ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t);
 220 static void     ufoma_cfg_set_rts(struct ucom_softc *, uint8_t);
 221 static int      ufoma_pre_param(struct ucom_softc *, struct termios *);
 222 static void     ufoma_cfg_param(struct ucom_softc *, struct termios *);
 223 static int      ufoma_modem_setup(device_t, struct ufoma_softc *,
 224                     struct usb_attach_arg *);
 225 static void     ufoma_start_read(struct ucom_softc *);
 226 static void     ufoma_stop_read(struct ucom_softc *);
 227 static void     ufoma_start_write(struct ucom_softc *);
 228 static void     ufoma_stop_write(struct ucom_softc *);
 229 static void     ufoma_poll(struct ucom_softc *ucom);
 230
 231 /*sysctl stuff*/
 232 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
 233 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
 234 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
 235
 236 static const struct usb_config
 237         ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = {
 238
 239         [UFOMA_CTRL_ENDPT_INTR] = {
 240                 .type = UE_INTERRUPT,
 241                 .endpoint = UE_ADDR_ANY,
 242                 .direction = UE_DIR_IN,
 243                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 244                 .bufsize = sizeof(struct usb_cdc_notification),
 245                 .callback = &ufoma_intr_callback,
 246         },
 247
 248         [UFOMA_CTRL_ENDPT_READ] = {
 249                 .type = UE_CONTROL,
 250                 .endpoint = 0x00,       /* Control pipe */
 251                 .direction = UE_DIR_ANY,
 252                 .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE),
 253                 .flags = {.short_xfer_ok = 1,},
 254                 .callback = &ufoma_ctrl_read_callback,
 255                 .timeout = 1000,        /* 1 second */
 256         },
 257
 258         [UFOMA_CTRL_ENDPT_WRITE] = {
 259                 .type = UE_CONTROL,
 260                 .endpoint = 0x00,       /* Control pipe */
 261                 .direction = UE_DIR_ANY,
 262                 .bufsize = (sizeof(struct usb_device_request) + 1),
 263                 .callback = &ufoma_ctrl_write_callback,
 264                 .timeout = 1000,        /* 1 second */
 265         },
 266 };
 267
 268 static const struct usb_config
 269         ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = {
 270
 271         [UFOMA_BULK_ENDPT_WRITE] = {
 272                 .type = UE_BULK,
 273                 .endpoint = UE_ADDR_ANY,
 274                 .direction = UE_DIR_OUT,
 275                 .bufsize = UFOMA_BULK_BUF_SIZE,
 276                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 277                 .callback = &ufoma_bulk_write_callback,
 278         },
 279
 280         [UFOMA_BULK_ENDPT_READ] = {
 281                 .type = UE_BULK,
 282                 .endpoint = UE_ADDR_ANY,
 283                 .direction = UE_DIR_IN,
 284                 .bufsize = UFOMA_BULK_BUF_SIZE,
 285                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 286                 .callback = &ufoma_bulk_read_callback,
 287         },
 288 };
 289
 290 static const struct ucom_callback ufoma_callback = {
 291         .ucom_cfg_get_status = &ufoma_cfg_get_status,
 292         .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr,
 293         .ucom_cfg_set_rts = &ufoma_cfg_set_rts,
 294         .ucom_cfg_set_break = &ufoma_cfg_set_break,
 295         .ucom_cfg_param = &ufoma_cfg_param,
 296         .ucom_cfg_open = &ufoma_cfg_open,
 297         .ucom_cfg_close = &ufoma_cfg_close,
 298         .ucom_pre_param = &ufoma_pre_param,
 299         .ucom_start_read = &ufoma_start_read,
 300         .ucom_stop_read = &ufoma_stop_read,
 301         .ucom_start_write = &ufoma_start_write,
 302         .ucom_stop_write = &ufoma_stop_write,
 303         .ucom_poll = &ufoma_poll,
 304 };
 305
 306 static device_method_t ufoma_methods[] = {
 307         /* Device methods */
 308         DEVMETHOD(device_probe, ufoma_probe),
 309         DEVMETHOD(device_attach, ufoma_attach),
 310         DEVMETHOD(device_detach, ufoma_detach),
 311         {0, 0}
 312 };
 313
 314 static devclass_t ufoma_devclass;
 315
 316 static driver_t ufoma_driver = {
 317         .name = "ufoma",
 318         .methods = ufoma_methods,
 319         .size = sizeof(struct ufoma_softc),
 320 };
 321
 322 DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0);
 323 MODULE_DEPEND(ufoma, ucom, 1, 1, 1);
 324 MODULE_DEPEND(ufoma, usb, 1, 1, 1);
 325 MODULE_VERSION(ufoma, 1);
 326
 327 static const STRUCT_USB_HOST_ID ufoma_devs[] = {
 328         {USB_IFACE_CLASS(UICLASS_CDC),
 329          USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),},
 330 };
 331
 332 static int
 333 ufoma_probe(device_t dev)
 334 {
 335         struct usb_attach_arg *uaa = device_get_ivars(dev);
 336         struct usb_interface_descriptor *id;
 337         struct usb_config_descriptor *cd;
 338         usb_mcpc_acm_descriptor *mad;
 339         int error;
 340
 341         if (uaa->usb_mode != USB_MODE_HOST)
 342                 return (ENXIO);
 343
 344         error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa);
 345         if (error)
 346                 return (error);
 347
 348         id = usbd_get_interface_descriptor(uaa->iface);
 349         cd = usbd_get_config_descriptor(uaa->device);
 350
 351         if (id == NULL || cd == NULL)
 352                 return (ENXIO);
 353
 354         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 355         if (mad == NULL)
 356                 return (ENXIO);
 357
 358 #ifndef UFOMA_HANDSFREE
 359         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 360             (mad->bType == UMCPC_ACM_TYPE_AB6))
 361                 return (ENXIO);
 362 #endif
 363         return (BUS_PROBE_GENERIC);
 364 }
 365
 366 static int
 367 ufoma_attach(device_t dev)
 368 {
 369         struct usb_attach_arg *uaa = device_get_ivars(dev);
 370         struct ufoma_softc *sc = device_get_softc(dev);
 371         struct usb_config_descriptor *cd;
 372         struct usb_interface_descriptor *id;
 373
 374         usb_mcpc_acm_descriptor *mad;
 375         uint8_t elements;
 376         int32_t error;
 377
 378         sc->sc_udev = uaa->device;
 379         sc->sc_dev = dev;
 380         sc->sc_unit = device_get_unit(dev);
 381
 382         lockinit(&sc->sc_lock, "ufoma", 0, LK_CANRECURSE);
 383         cv_init(&sc->sc_cv, "CWAIT");
 384
 385         device_set_usb_desc(dev);
 386
 387         ksnprintf(sc->sc_name, sizeof(sc->sc_name),
 388             "%s", device_get_nameunit(dev));
 389
 390         DPRINTF("\n");
 391
 392         /* setup control transfers */
 393
 394         cd = usbd_get_config_descriptor(uaa->device);
 395         id = usbd_get_interface_descriptor(uaa->iface);
 396         sc->sc_ctrl_iface_no = id->bInterfaceNumber;
 397         sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex;
 398
 399         error = usbd_transfer_setup(uaa->device,
 400             &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer,
 401             ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_lock);
 402
 403         if (error) {
 404                 device_printf(dev, "allocating control USB "
 405                     "transfers failed\n");
 406                 goto detach;
 407         }
 408         mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
 409         if (mad == NULL) {
 410                 goto detach;
 411         }
 412         if (mad->bFunctionLength < sizeof(*mad)) {
 413                 device_printf(dev, "invalid MAD descriptor\n");
 414                 goto detach;
 415         }
 416         if ((mad->bType == UMCPC_ACM_TYPE_AB5) ||
 417             (mad->bType == UMCPC_ACM_TYPE_AB6)) {
 418                 sc->sc_nobulk = 1;
 419         } else {
 420                 sc->sc_nobulk = 0;
 421                 if (ufoma_modem_setup(dev, sc, uaa)) {
 422                         goto detach;
 423                 }
 424         }
 425
 426         elements = (mad->bFunctionLength - sizeof(*mad) + 1);
 427
 428         /* initialize mode variables */
 429
 430         sc->sc_modetable = kmalloc(elements + 1, M_USBDEV, M_WAITOK);
 431
 432         if (sc->sc_modetable == NULL) {
 433                 goto detach;
 434         }
 435         sc->sc_modetable[0] = (elements + 1);
 436         memcpy(&sc->sc_modetable[1], mad->bMode, elements);
 437
 438         sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
 439         sc->sc_modetoactivate = mad->bMode[0];
 440
 441         /* clear stall at first run, if any */
 442         lockmgr(&sc->sc_lock, LK_EXCLUSIVE);
 443         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
 444         usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
 445         lockmgr(&sc->sc_lock, LK_RELEASE);
 446
 447         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 448             &ufoma_callback, &sc->sc_lock);
 449         if (error) {
 450                 DPRINTF("ucom_attach failed\n");
 451                 goto detach;
 452         }
 453         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 454
 455         /*Sysctls*/
 456         sysctl_ctx_init(&sc->sc_sysctl_ctx);
 457         sc->sc_sysctl_tree = SYSCTL_ADD_NODE(&sc->sc_sysctl_ctx,
 458             SYSCTL_STATIC_CHILDREN(_hw), OID_AUTO,
 459             device_get_nameunit(sc->sc_dev), CTLFLAG_RD, 0, "");
 460         if (sc->sc_sysctl_tree == NULL) {
 461                 DPRINTF("can't add sysctl node\n");
 462                 goto detach;
 463         }
 464
 465         SYSCTL_ADD_PROC(&sc->sc_sysctl_ctx,
 466                         SYSCTL_CHILDREN(sc->sc_sysctl_tree),
 467                         OID_AUTO, "supportmode",
 468                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support,
 469                         "A", "Supporting port role");
 470
 471         SYSCTL_ADD_PROC(&sc->sc_sysctl_ctx,
 472                         SYSCTL_CHILDREN(sc->sc_sysctl_tree),
 473                         OID_AUTO, "currentmode",
 474                         CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current,
 475                         "A", "Current port role");
 476
 477         SYSCTL_ADD_PROC(&sc->sc_sysctl_ctx,
 478                         SYSCTL_CHILDREN(sc->sc_sysctl_tree),
 479                         OID_AUTO, "openmode",
 480                         CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open,
 481                         "A", "Mode to transit when port is opened");
 482         SYSCTL_ADD_UINT(&sc->sc_sysctl_ctx,
 483                         SYSCTL_CHILDREN(sc->sc_sysctl_tree),
 484                         OID_AUTO, "comunit",
 485                         CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0,
 486                         "Unit number as USB serial");
 487
 488         return (0);                     /* success */
 489
 490 detach:
 491         ufoma_detach(dev);
 492         return (ENXIO);                 /* failure */
 493 }
 494
 495 static int
 496 ufoma_detach(device_t dev)
 497 {
 498         struct ufoma_softc *sc = device_get_softc(dev);
 499
 500         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 501         usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
 502         usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
 503
 504         if (sc->sc_modetable) {
 505                 kfree(sc->sc_modetable, M_USBDEV);
 506         }
 507         lockuninit(&sc->sc_lock);
 508         cv_destroy(&sc->sc_cv);
 509         sysctl_ctx_free(&sc->sc_sysctl_ctx);
 510
 511         return (0);
 512 }
 513
 514 static void *
 515 ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id,
 516     uint8_t type, uint8_t subtype)
 517 {
 518         struct usb_descriptor *desc = (void *)id;
 519
 520         while ((desc = usb_desc_foreach(cd, desc))) {
 521
 522                 if (desc->bDescriptorType == UDESC_INTERFACE) {
 523                         return (NULL);
 524                 }
 525                 if ((desc->bDescriptorType == type) &&
 526                     (desc->bDescriptorSubtype == subtype)) {
 527                         break;
 528                 }
 529         }
 530         return (desc);
 531 }
 532
 533 static void
 534 ufoma_cfg_link_state(struct ufoma_softc *sc)
 535 {
 536         struct usb_device_request req;
 537         int32_t error;
 538
 539         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 540         req.bRequest = UMCPC_SET_LINK;
 541         USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
 542         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 543         USETW(req.wLength, sc->sc_modetable[0]);
 544
 545         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 546             &req, sc->sc_modetable, 0, 1000);
 547
 548         error = cv_timedwait(&sc->sc_cv, &sc->sc_lock, hz);
 549
 550         if (error) {
 551                 DPRINTF("NO response\n");
 552         }
 553 }
 554
 555 static void
 556 ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state)
 557 {
 558         struct usb_device_request req;
 559         int32_t error;
 560
 561         req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
 562         req.bRequest = UMCPC_ACTIVATE_MODE;
 563         USETW(req.wValue, state);
 564         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 565         USETW(req.wLength, 0);
 566
 567         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 568             &req, NULL, 0, 1000);
 569
 570         error = cv_timedwait(&sc->sc_cv, &sc->sc_lock,
 571             (UFOMA_MAX_TIMEOUT * hz));
 572         if (error) {
 573                 DPRINTF("No response\n");
 574         }
 575 }
 576
 577 static void
 578 ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error)
 579 {
 580         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 581         struct usb_device_request req;
 582         struct usb_page_cache *pc0, *pc1;
 583         int len, aframes, nframes;
 584
 585         usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes);
 586
 587         switch (USB_GET_STATE(xfer)) {
 588         case USB_ST_TRANSFERRED:
 589 tr_transferred:
 590                 if (aframes != nframes)
 591                         goto tr_setup;
 592                 pc1 = usbd_xfer_get_frame(xfer, 1);
 593                 len = usbd_xfer_frame_len(xfer, 1);
 594                 if (len > 0)
 595                         ucom_put_data(&sc->sc_ucom, pc1, 0, len);
 596                 /* FALLTHROUGH */
 597         case USB_ST_SETUP:
 598 tr_setup:
 599                 if (sc->sc_num_msg) {
 600                         sc->sc_num_msg--;
 601
 602                         req.bmRequestType = UT_READ_CLASS_INTERFACE;
 603                         req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
 604                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 605                         USETW(req.wValue, 0);
 606                         USETW(req.wLength, UFOMA_CMD_BUF_SIZE);
 607
 608                         pc0 = usbd_xfer_get_frame(xfer, 0);
 609                         usbd_copy_in(pc0, 0, &req, sizeof(req));
 610
 611                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 612                         usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE);
 613                         usbd_xfer_set_frames(xfer, 2);
 614                         usbd_transfer_submit(xfer);
 615                 }
 616                 return;
 617
 618         default:                        /* Error */
 619                 DPRINTF("error = %s\n",
 620                     usbd_errstr(error));
 621
 622                 if (error == USB_ERR_CANCELLED) {
 623                         return;
 624                 } else {
 625                         goto tr_setup;
 626                 }
 627
 628                 goto tr_transferred;
 629         }
 630 }
 631
 632 static void
 633 ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error)
 634 {
 635         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 636         struct usb_device_request req;
 637         struct usb_page_cache *pc;
 638         uint32_t actlen;
 639
 640         switch (USB_GET_STATE(xfer)) {
 641         case USB_ST_TRANSFERRED:
 642 tr_transferred:
 643         case USB_ST_SETUP:
 644 tr_setup:
 645                 pc = usbd_xfer_get_frame(xfer, 1);
 646                 if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) {
 647
 648                         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 649                         req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
 650                         USETW(req.wIndex, sc->sc_ctrl_iface_no);
 651                         USETW(req.wValue, 0);
 652                         USETW(req.wLength, 1);
 653
 654                         pc = usbd_xfer_get_frame(xfer, 0);
 655                         usbd_copy_in(pc, 0, &req, sizeof(req));
 656
 657                         usbd_xfer_set_frame_len(xfer, 0, sizeof(req));
 658                         usbd_xfer_set_frame_len(xfer, 1, 1);
 659                         usbd_xfer_set_frames(xfer, 2);
 660
 661                         usbd_transfer_submit(xfer);
 662                 }
 663                 return;
 664
 665         default:                        /* Error */
 666                 DPRINTF("error = %s\n", usbd_errstr(error));
 667
 668                 if (error == USB_ERR_CANCELLED) {
 669                         return;
 670                 } else {
 671                         goto tr_setup;
 672                 }
 673
 674                 goto tr_transferred;
 675         }
 676 }
 677
 678 static void
 679 ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 680 {
 681         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 682         struct usb_cdc_notification pkt;
 683         struct usb_page_cache *pc;
 684         uint16_t wLen;
 685         uint16_t temp;
 686         uint8_t mstatus;
 687         int actlen;
 688
 689         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 690
 691         switch (USB_GET_STATE(xfer)) {
 692         case USB_ST_TRANSFERRED:
 693                 if (actlen < 8) {
 694                         DPRINTF("too short message\n");
 695                         goto tr_setup;
 696                 }
 697                 if (actlen > sizeof(pkt)) {
 698                         DPRINTF("truncating message\n");
 699                         actlen = sizeof(pkt);
 700                 }
 701                 pc = usbd_xfer_get_frame(xfer, 0);
 702                 usbd_copy_out(pc, 0, &pkt, actlen);
 703
 704                 actlen -= 8;
 705
 706                 wLen = UGETW(pkt.wLength);
 707                 if (actlen > wLen) {
 708                         actlen = wLen;
 709                 }
 710                 if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) &&
 711                     (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) {
 712                         temp = UGETW(pkt.wValue);
 713                         sc->sc_currentmode = (temp >> 8);
 714                         if (!(temp & 0xff)) {
 715                                 DPRINTF("Mode change failed!\n");
 716                         }
 717                         cv_signal(&sc->sc_cv);
 718                 }
 719                 if (pkt.bmRequestType != UCDC_NOTIFICATION) {
 720                         goto tr_setup;
 721                 }
 722                 switch (pkt.bNotification) {
 723                 case UCDC_N_RESPONSE_AVAILABLE:
 724                         if (!(sc->sc_nobulk)) {
 725                                 DPRINTF("Wrong serial state!\n");
 726                                 break;
 727                         }
 728                         if (sc->sc_num_msg != 0xFF) {
 729                                 sc->sc_num_msg++;
 730                         }
 731                         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
 732                         break;
 733
 734                 case UCDC_N_SERIAL_STATE:
 735                         if (sc->sc_nobulk) {
 736                                 DPRINTF("Wrong serial state!\n");
 737                                 break;
 738                         }
 739                         /*
 740                          * Set the serial state in ucom driver based on
 741                          * the bits from the notify message
 742                          */
 743                         if (actlen < 2) {
 744                                 DPRINTF("invalid notification "
 745                                     "length, %d bytes!\n", actlen);
 746                                 break;
 747                         }
 748                         DPRINTF("notify bytes = 0x%02x, 0x%02x\n",
 749                             pkt.data[0], pkt.data[1]);
 750
 751                         /* currently, lsr is always zero. */
 752                         sc->sc_lsr = 0;
 753                         sc->sc_msr = 0;
 754
 755                         mstatus = pkt.data[0];
 756
 757                         if (mstatus & UCDC_N_SERIAL_RI) {
 758                                 sc->sc_msr |= SER_RI;
 759                         }
 760                         if (mstatus & UCDC_N_SERIAL_DSR) {
 761                                 sc->sc_msr |= SER_DSR;
 762                         }
 763                         if (mstatus & UCDC_N_SERIAL_DCD) {
 764                                 sc->sc_msr |= SER_DCD;
 765                         }
 766                         ucom_status_change(&sc->sc_ucom);
 767                         break;
 768
 769                 default:
 770                         break;
 771                 }
 772
 773         case USB_ST_SETUP:
 774 tr_setup:
 775                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 776                 usbd_transfer_submit(xfer);
 777                 return;
 778
 779         default:                        /* Error */
 780                 if (error != USB_ERR_CANCELLED) {
 781                         /* try to clear stall first */
 782                         usbd_xfer_set_stall(xfer);
 783                         goto tr_setup;
 784                 }
 785                 return;
 786         }
 787 }
 788
 789 static void
 790 ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error)
 791 {
 792         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 793         struct usb_page_cache *pc;
 794         uint32_t actlen;
 795
 796         switch (USB_GET_STATE(xfer)) {
 797         case USB_ST_SETUP:
 798         case USB_ST_TRANSFERRED:
 799 tr_setup:
 800                 pc = usbd_xfer_get_frame(xfer, 0);
 801                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 802                     UFOMA_BULK_BUF_SIZE, &actlen)) {
 803                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 804                         usbd_transfer_submit(xfer);
 805                 }
 806                 return;
 807
 808         default:                        /* Error */
 809                 if (error != USB_ERR_CANCELLED) {
 810                         /* try to clear stall first */
 811                         usbd_xfer_set_stall(xfer);
 812                         goto tr_setup;
 813                 }
 814                 return;
 815         }
 816 }
 817
 818 static void
 819 ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error)
 820 {
 821         struct ufoma_softc *sc = usbd_xfer_softc(xfer);
 822         struct usb_page_cache *pc;
 823         int actlen;
 824
 825         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 826
 827         switch (USB_GET_STATE(xfer)) {
 828         case USB_ST_TRANSFERRED:
 829                 pc = usbd_xfer_get_frame(xfer, 0);
 830                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 831
 832         case USB_ST_SETUP:
 833 tr_setup:
 834                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 835                 usbd_transfer_submit(xfer);
 836                 return;
 837
 838         default:                        /* Error */
 839                 if (error != USB_ERR_CANCELLED) {
 840                         /* try to clear stall first */
 841                         usbd_xfer_set_stall(xfer);
 842                         goto tr_setup;
 843                 }
 844                 return;
 845         }
 846 }
 847
 848 static void
 849 ufoma_cfg_open(struct ucom_softc *ucom)
 850 {
 851         struct ufoma_softc *sc = ucom->sc_parent;
 852
 853         /* empty input queue */
 854
 855         if (sc->sc_num_msg != 0xFF) {
 856                 sc->sc_num_msg++;
 857         }
 858         if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) {
 859                 ufoma_cfg_link_state(sc);
 860         }
 861         if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) {
 862                 ufoma_cfg_activate_state(sc, sc->sc_modetoactivate);
 863         }
 864 }
 865
 866 static void
 867 ufoma_cfg_close(struct ucom_softc *ucom)
 868 {
 869         struct ufoma_softc *sc = ucom->sc_parent;
 870
 871         ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
 872 }
 873
 874 static void
 875 ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 876 {
 877         struct ufoma_softc *sc = ucom->sc_parent;
 878         struct usb_device_request req;
 879         uint16_t wValue;
 880
 881         if (sc->sc_nobulk ||
 882             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 883                 return;
 884         }
 885         if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) {
 886                 return;
 887         }
 888         wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF;
 889
 890         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 891         req.bRequest = UCDC_SEND_BREAK;
 892         USETW(req.wValue, wValue);
 893         req.wIndex[0] = sc->sc_ctrl_iface_no;
 894         req.wIndex[1] = 0;
 895         USETW(req.wLength, 0);
 896
 897         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 898             &req, NULL, 0, 1000);
 899 }
 900
 901 static void
 902 ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 903 {
 904         struct ufoma_softc *sc = ucom->sc_parent;
 905
 906         *lsr = sc->sc_lsr;
 907         *msr = sc->sc_msr;
 908 }
 909
 910 static void
 911 ufoma_cfg_set_line_state(struct ufoma_softc *sc)
 912 {
 913         struct usb_device_request req;
 914
 915         /* Don't send line state emulation request for OBEX port */
 916         if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) {
 917                 return;
 918         }
 919         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 920         req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
 921         USETW(req.wValue, sc->sc_line);
 922         req.wIndex[0] = sc->sc_ctrl_iface_no;
 923         req.wIndex[1] = 0;
 924         USETW(req.wLength, 0);
 925
 926         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 927             &req, NULL, 0, 1000);
 928 }
 929
 930 static void
 931 ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 932 {
 933         struct ufoma_softc *sc = ucom->sc_parent;
 934
 935         if (sc->sc_nobulk) {
 936                 return;
 937         }
 938         if (onoff)
 939                 sc->sc_line |= UCDC_LINE_DTR;
 940         else
 941                 sc->sc_line &= ~UCDC_LINE_DTR;
 942
 943         ufoma_cfg_set_line_state(sc);
 944 }
 945
 946 static void
 947 ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 948 {
 949         struct ufoma_softc *sc = ucom->sc_parent;
 950
 951         if (sc->sc_nobulk) {
 952                 return;
 953         }
 954         if (onoff)
 955                 sc->sc_line |= UCDC_LINE_RTS;
 956         else
 957                 sc->sc_line &= ~UCDC_LINE_RTS;
 958
 959         ufoma_cfg_set_line_state(sc);
 960 }
 961
 962 static int
 963 ufoma_pre_param(struct ucom_softc *ucom, struct termios *t)
 964 {
 965         return (0);                     /* we accept anything */
 966 }
 967
 968 static void
 969 ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t)
 970 {
 971         struct ufoma_softc *sc = ucom->sc_parent;
 972         struct usb_device_request req;
 973         struct usb_cdc_line_state ls;
 974
 975         if (sc->sc_nobulk ||
 976             (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) {
 977                 return;
 978         }
 979         DPRINTF("\n");
 980
 981         memset(&ls, 0, sizeof(ls));
 982
 983         USETDW(ls.dwDTERate, t->c_ospeed);
 984
 985         if (t->c_cflag & CSTOPB) {
 986                 ls.bCharFormat = UCDC_STOP_BIT_2;
 987         } else {
 988                 ls.bCharFormat = UCDC_STOP_BIT_1;
 989         }
 990
 991         if (t->c_cflag & PARENB) {
 992                 if (t->c_cflag & PARODD) {
 993                         ls.bParityType = UCDC_PARITY_ODD;
 994                 } else {
 995                         ls.bParityType = UCDC_PARITY_EVEN;
 996                 }
 997         } else {
 998                 ls.bParityType = UCDC_PARITY_NONE;
 999         }
1000
1001         switch (t->c_cflag & CSIZE) {
1002         case CS5:
1003                 ls.bDataBits = 5;
1004                 break;
1005         case CS6:
1006                 ls.bDataBits = 6;
1007                 break;
1008         case CS7:
1009                 ls.bDataBits = 7;
1010                 break;
1011         case CS8:
1012                 ls.bDataBits = 8;
1013                 break;
1014         }
1015
1016         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
1017         req.bRequest = UCDC_SET_LINE_CODING;
1018         USETW(req.wValue, 0);
1019         req.wIndex[0] = sc->sc_ctrl_iface_no;
1020         req.wIndex[1] = 0;
1021         USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
1022
1023         ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
1024             &req, &ls, 0, 1000);
1025 }
1026
1027 static int
1028 ufoma_modem_setup(device_t dev, struct ufoma_softc *sc,
1029     struct usb_attach_arg *uaa)
1030 {
1031         struct usb_config_descriptor *cd;
1032         struct usb_cdc_acm_descriptor *acm;
1033         struct usb_cdc_cm_descriptor *cmd;
1034         struct usb_interface_descriptor *id;
1035         struct usb_interface *iface;
1036         uint8_t i;
1037         int32_t error;
1038
1039         cd = usbd_get_config_descriptor(uaa->device);
1040         id = usbd_get_interface_descriptor(uaa->iface);
1041
1042         cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
1043
1044         if ((cmd == NULL) ||
1045             (cmd->bLength < sizeof(*cmd))) {
1046                 return (EINVAL);
1047         }
1048         sc->sc_cm_cap = cmd->bmCapabilities;
1049         sc->sc_data_iface_no = cmd->bDataInterface;
1050
1051         acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
1052
1053         if ((acm == NULL) ||
1054             (acm->bLength < sizeof(*acm))) {
1055                 return (EINVAL);
1056         }
1057         sc->sc_acm_cap = acm->bmCapabilities;
1058
1059         device_printf(dev, "data interface %d, has %sCM over data, "
1060             "has %sbreak\n",
1061             sc->sc_data_iface_no,
1062             sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
1063             sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
1064
1065         /* get the data interface too */
1066
1067         for (i = 0;; i++) {
1068
1069                 iface = usbd_get_iface(uaa->device, i);
1070
1071                 if (iface) {
1072
1073                         id = usbd_get_interface_descriptor(iface);
1074
1075                         if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) {
1076                                 sc->sc_data_iface_index = i;
1077                                 usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex);
1078                                 break;
1079                         }
1080                 } else {
1081                         device_printf(dev, "no data interface\n");
1082                         return (EINVAL);
1083                 }
1084         }
1085
1086         error = usbd_transfer_setup(uaa->device,
1087             &sc->sc_data_iface_index, sc->sc_bulk_xfer,
1088             ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_lock);
1089
1090         if (error) {
1091                 device_printf(dev, "allocating BULK USB "
1092                     "transfers failed\n");
1093                 return (EINVAL);
1094         }
1095         return (0);
1096 }
1097
1098 static void
1099 ufoma_start_read(struct ucom_softc *ucom)
1100 {
1101         struct ufoma_softc *sc = ucom->sc_parent;
1102
1103         /* start interrupt transfer */
1104         usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1105
1106         /* start data transfer */
1107         if (sc->sc_nobulk) {
1108                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1109         } else {
1110                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1111         }
1112 }
1113
1114 static void
1115 ufoma_stop_read(struct ucom_softc *ucom)
1116 {
1117         struct ufoma_softc *sc = ucom->sc_parent;
1118
1119         /* stop interrupt transfer */
1120         usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]);
1121
1122         /* stop data transfer */
1123         if (sc->sc_nobulk) {
1124                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]);
1125         } else {
1126                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]);
1127         }
1128 }
1129
1130 static void
1131 ufoma_start_write(struct ucom_softc *ucom)
1132 {
1133         struct ufoma_softc *sc = ucom->sc_parent;
1134
1135         if (sc->sc_nobulk) {
1136                 usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1137         } else {
1138                 usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1139         }
1140 }
1141
1142 static void
1143 ufoma_stop_write(struct ucom_softc *ucom)
1144 {
1145         struct ufoma_softc *sc = ucom->sc_parent;
1146
1147         if (sc->sc_nobulk) {
1148                 usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]);
1149         } else {
1150                 usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]);
1151         }
1152 }
1153
1154 static struct umcpc_modetostr_tab{
1155         int mode;
1156         char *str;
1157 }umcpc_modetostr_tab[]={
1158         {UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
1159         {UMCPC_ACM_MODE_MODEM, "modem"},
1160         {UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
1161         {UMCPC_ACM_MODE_OBEX, "obex"},
1162         {UMCPC_ACM_MODE_VENDOR1, "vendor1"},
1163         {UMCPC_ACM_MODE_VENDOR2, "vendor2"},
1164         {UMCPC_ACM_MODE_UNLINKED, "unlinked"},
1165         {0, NULL}
1166 };
1167
1168 static char *ufoma_mode_to_str(int mode)
1169 {
1170         int i;
1171         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1172                 if(umcpc_modetostr_tab[i].mode == mode){
1173                         return umcpc_modetostr_tab[i].str;
1174                 }
1175         }
1176         return NULL;
1177 }
1178
1179 static int ufoma_str_to_mode(char *str)
1180 {
1181         int i;
1182         for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
1183                 if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
1184                         return umcpc_modetostr_tab[i].mode;
1185                 }
1186         }
1187         return -1;
1188 }
1189
1190 static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
1191 {
1192         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1193         struct sbuf sb;
1194         int i;
1195         char *mode;
1196
1197         sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
1198         for(i = 1; i < sc->sc_modetable[0]; i++){
1199                 mode = ufoma_mode_to_str(sc->sc_modetable[i]);
1200                 if(mode !=NULL){
1201                         sbuf_cat(&sb, mode);
1202                 }else{
1203                         sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
1204                 }
1205                 if(i < (sc->sc_modetable[0]-1))
1206                         sbuf_cat(&sb, ",");
1207         }
1208         sbuf_trim(&sb);
1209         sbuf_finish(&sb);
1210         sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
1211         sbuf_delete(&sb);
1212
1213         return 0;
1214 }
1215 static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
1216 {
1217         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1218         char *mode;
1219         char subbuf[]="(XXX)";
1220         mode = ufoma_mode_to_str(sc->sc_currentmode);
1221         if(!mode){
1222                 mode = subbuf;
1223                 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
1224         }
1225         sysctl_handle_string(oidp, mode, strlen(mode), req);
1226
1227         return 0;
1228
1229 }
1230 static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
1231 {
1232         struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
1233         char *mode;
1234         char subbuf[40];
1235         int newmode;
1236         int error;
1237         int i;
1238
1239         mode = ufoma_mode_to_str(sc->sc_modetoactivate);
1240         if(mode){
1241                 strncpy(subbuf, mode, sizeof(subbuf));
1242         }else{
1243                 ksnprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
1244         }
1245         error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
1246         if(error != 0 || req->newptr == NULL){
1247                 return error;
1248         }
1249
1250         if((newmode = ufoma_str_to_mode(subbuf)) == -1){
1251                 return EINVAL;
1252         }
1253
1254         for(i = 1 ; i < sc->sc_modetable[0] ; i++){
1255                 if(sc->sc_modetable[i] == newmode){
1256                         sc->sc_modetoactivate = newmode;
1257                         return 0;
1258                 }
1259         }
1260
1261         return EINVAL;
1262 }
1263
1264 static void
1265 ufoma_poll(struct ucom_softc *ucom)
1266 {
1267         struct ufoma_softc *sc = ucom->sc_parent;
1268         usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX);
1269         usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX);
1270 }