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