sys/dev/usb/serial/ufoma.c

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