sys/dev/usb/serial/uvscom.c

   1 /*      $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $  */
   2
   3 #include <sys/cdefs.h>
   4 __FBSDID("$FreeBSD$");
   5
   6 /*-
   7  * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
   8  * All rights reserved.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  */
  32
  33 /*
  34  * uvscom: SUNTAC Slipper U VS-10U driver.
  35  * Slipper U is a PC Card to USB converter for data communication card
  36  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
  37  * P-in m@ater and various data communication card adapters.
  38  */
  39
  40 #include <sys/stdint.h>
  41 #include <sys/stddef.h>
  42 #include <sys/param.h>
  43 #include <sys/queue.h>
  44 #include <sys/types.h>
  45 #include <sys/systm.h>
  46 #include <sys/kernel.h>
  47 #include <sys/bus.h>
  48 #include <sys/module.h>
  49 #include <sys/lock.h>
  50 #include <sys/mutex.h>
  51 #include <sys/condvar.h>
  52 #include <sys/sysctl.h>
  53 #include <sys/sx.h>
  54 #include <sys/unistd.h>
  55 #include <sys/callout.h>
  56 #include <sys/malloc.h>
  57 #include <sys/priv.h>
  58
  59 #include <dev/usb/usb.h>
  60 #include <dev/usb/usbdi.h>
  61 #include <dev/usb/usbdi_util.h>
  62 #include "usbdevs.h"
  63
  64 #define USB_DEBUG_VAR uvscom_debug
  65 #include <dev/usb/usb_debug.h>
  66 #include <dev/usb/usb_process.h>
  67
  68 #include <dev/usb/serial/usb_serial.h>
  69
  70 #ifdef USB_DEBUG
  71 static int uvscom_debug = 0;
  72
  73 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
  74 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW,
  75     &uvscom_debug, 0, "Debug level");
  76 #endif
  77
  78 #define UVSCOM_MODVER           1       /* module version */
  79
  80 #define UVSCOM_CONFIG_INDEX     0
  81 #define UVSCOM_IFACE_INDEX      0
  82
  83 /* Request */
  84 #define UVSCOM_SET_SPEED        0x10
  85 #define UVSCOM_LINE_CTL         0x11
  86 #define UVSCOM_SET_PARAM        0x12
  87 #define UVSCOM_READ_STATUS      0xd0
  88 #define UVSCOM_SHUTDOWN         0xe0
  89
  90 /* UVSCOM_SET_SPEED parameters */
  91 #define UVSCOM_SPEED_150BPS     0x00
  92 #define UVSCOM_SPEED_300BPS     0x01
  93 #define UVSCOM_SPEED_600BPS     0x02
  94 #define UVSCOM_SPEED_1200BPS    0x03
  95 #define UVSCOM_SPEED_2400BPS    0x04
  96 #define UVSCOM_SPEED_4800BPS    0x05
  97 #define UVSCOM_SPEED_9600BPS    0x06
  98 #define UVSCOM_SPEED_19200BPS   0x07
  99 #define UVSCOM_SPEED_38400BPS   0x08
 100 #define UVSCOM_SPEED_57600BPS   0x09
 101 #define UVSCOM_SPEED_115200BPS  0x0a
 102
 103 /* UVSCOM_LINE_CTL parameters */
 104 #define UVSCOM_BREAK            0x40
 105 #define UVSCOM_RTS              0x02
 106 #define UVSCOM_DTR              0x01
 107 #define UVSCOM_LINE_INIT        0x08
 108
 109 /* UVSCOM_SET_PARAM parameters */
 110 #define UVSCOM_DATA_MASK        0x03
 111 #define UVSCOM_DATA_BIT_8       0x03
 112 #define UVSCOM_DATA_BIT_7       0x02
 113 #define UVSCOM_DATA_BIT_6       0x01
 114 #define UVSCOM_DATA_BIT_5       0x00
 115
 116 #define UVSCOM_STOP_MASK        0x04
 117 #define UVSCOM_STOP_BIT_2       0x04
 118 #define UVSCOM_STOP_BIT_1       0x00
 119
 120 #define UVSCOM_PARITY_MASK      0x18
 121 #define UVSCOM_PARITY_EVEN      0x18
 122 #define UVSCOM_PARITY_ODD       0x08
 123 #define UVSCOM_PARITY_NONE      0x00
 124
 125 /* Status bits */
 126 #define UVSCOM_TXRDY            0x04
 127 #define UVSCOM_RXRDY            0x01
 128
 129 #define UVSCOM_DCD              0x08
 130 #define UVSCOM_NOCARD           0x04
 131 #define UVSCOM_DSR              0x02
 132 #define UVSCOM_CTS              0x01
 133 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
 134
 135 #define UVSCOM_BULK_BUF_SIZE    1024    /* bytes */
 136
 137 enum {
 138         UVSCOM_BULK_DT_WR,
 139         UVSCOM_BULK_DT_RD,
 140         UVSCOM_INTR_DT_RD,
 141         UVSCOM_N_TRANSFER,
 142 };
 143
 144 struct uvscom_softc {
 145         struct ucom_super_softc sc_super_ucom;
 146         struct ucom_softc sc_ucom;
 147
 148         struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER];
 149         struct usb_device *sc_udev;
 150         struct mtx sc_mtx;
 151
 152         uint16_t sc_line;               /* line control register */
 153
 154         uint8_t sc_iface_no;            /* interface number */
 155         uint8_t sc_iface_index;         /* interface index */
 156         uint8_t sc_lsr;                 /* local status register */
 157         uint8_t sc_msr;                 /* uvscom status register */
 158         uint8_t sc_unit_status;         /* unit status */
 159 };
 160
 161 /* prototypes */
 162
 163 static device_probe_t uvscom_probe;
 164 static device_attach_t uvscom_attach;
 165 static device_detach_t uvscom_detach;
 166
 167 static usb_callback_t uvscom_write_callback;
 168 static usb_callback_t uvscom_read_callback;
 169 static usb_callback_t uvscom_intr_callback;
 170
 171 static void     uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
 172 static void     uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
 173 static void     uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
 174 static int      uvscom_pre_param(struct ucom_softc *, struct termios *);
 175 static void     uvscom_cfg_param(struct ucom_softc *, struct termios *);
 176 static int      uvscom_pre_open(struct ucom_softc *);
 177 static void     uvscom_cfg_open(struct ucom_softc *);
 178 static void     uvscom_cfg_close(struct ucom_softc *);
 179 static void     uvscom_start_read(struct ucom_softc *);
 180 static void     uvscom_stop_read(struct ucom_softc *);
 181 static void     uvscom_start_write(struct ucom_softc *);
 182 static void     uvscom_stop_write(struct ucom_softc *);
 183 static void     uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
 184                     uint8_t *);
 185 static void     uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
 186 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
 187 static void     uvscom_poll(struct ucom_softc *ucom);
 188
 189 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
 190
 191         [UVSCOM_BULK_DT_WR] = {
 192                 .type = UE_BULK,
 193                 .endpoint = UE_ADDR_ANY,
 194                 .direction = UE_DIR_OUT,
 195                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 196                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 197                 .callback = &uvscom_write_callback,
 198         },
 199
 200         [UVSCOM_BULK_DT_RD] = {
 201                 .type = UE_BULK,
 202                 .endpoint = UE_ADDR_ANY,
 203                 .direction = UE_DIR_IN,
 204                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 205                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 206                 .callback = &uvscom_read_callback,
 207         },
 208
 209         [UVSCOM_INTR_DT_RD] = {
 210                 .type = UE_INTERRUPT,
 211                 .endpoint = UE_ADDR_ANY,
 212                 .direction = UE_DIR_IN,
 213                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 214                 .bufsize = 0,   /* use wMaxPacketSize */
 215                 .callback = &uvscom_intr_callback,
 216         },
 217 };
 218
 219 static const struct ucom_callback uvscom_callback = {
 220         .ucom_cfg_get_status = &uvscom_cfg_get_status,
 221         .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
 222         .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
 223         .ucom_cfg_set_break = &uvscom_cfg_set_break,
 224         .ucom_cfg_param = &uvscom_cfg_param,
 225         .ucom_cfg_open = &uvscom_cfg_open,
 226         .ucom_cfg_close = &uvscom_cfg_close,
 227         .ucom_pre_open = &uvscom_pre_open,
 228         .ucom_pre_param = &uvscom_pre_param,
 229         .ucom_start_read = &uvscom_start_read,
 230         .ucom_stop_read = &uvscom_stop_read,
 231         .ucom_start_write = &uvscom_start_write,
 232         .ucom_stop_write = &uvscom_stop_write,
 233         .ucom_poll = &uvscom_poll,
 234 };
 235
 236 static const STRUCT_USB_HOST_ID uvscom_devs[] = {
 237         /* SUNTAC U-Cable type A4 */
 238         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
 239         /* SUNTAC U-Cable type D2 */
 240         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
 241         /* SUNTAC Ir-Trinity */
 242         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
 243         /* SUNTAC U-Cable type P1 */
 244         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
 245         /* SUNTAC Slipper U */
 246         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
 247 };
 248
 249 static device_method_t uvscom_methods[] = {
 250         DEVMETHOD(device_probe, uvscom_probe),
 251         DEVMETHOD(device_attach, uvscom_attach),
 252         DEVMETHOD(device_detach, uvscom_detach),
 253         {0, 0}
 254 };
 255
 256 static devclass_t uvscom_devclass;
 257
 258 static driver_t uvscom_driver = {
 259         .name = "uvscom",
 260         .methods = uvscom_methods,
 261         .size = sizeof(struct uvscom_softc),
 262 };
 263
 264 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0);
 265 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
 266 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
 267 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 268
 269 static int
 270 uvscom_probe(device_t dev)
 271 {
 272         struct usb_attach_arg *uaa = device_get_ivars(dev);
 273
 274         if (uaa->usb_mode != USB_MODE_HOST) {
 275                 return (ENXIO);
 276         }
 277         if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
 278                 return (ENXIO);
 279         }
 280         if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
 281                 return (ENXIO);
 282         }
 283         return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
 284 }
 285
 286 static int
 287 uvscom_attach(device_t dev)
 288 {
 289         struct usb_attach_arg *uaa = device_get_ivars(dev);
 290         struct uvscom_softc *sc = device_get_softc(dev);
 291         int error;
 292
 293         device_set_usb_desc(dev);
 294         mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
 295
 296         sc->sc_udev = uaa->device;
 297
 298         DPRINTF("sc=%p\n", sc);
 299
 300         sc->sc_iface_no = uaa->info.bIfaceNum;
 301         sc->sc_iface_index = UVSCOM_IFACE_INDEX;
 302
 303         error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
 304             sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
 305
 306         if (error) {
 307                 DPRINTF("could not allocate all USB transfers!\n");
 308                 goto detach;
 309         }
 310         sc->sc_line = UVSCOM_LINE_INIT;
 311
 312         /* clear stall at first run */
 313         mtx_lock(&sc->sc_mtx);
 314         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 315         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 316         mtx_unlock(&sc->sc_mtx);
 317
 318         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 319             &uvscom_callback, &sc->sc_mtx);
 320         if (error) {
 321                 goto detach;
 322         }
 323         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 324
 325         /* start interrupt pipe */
 326         mtx_lock(&sc->sc_mtx);
 327         usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 328         mtx_unlock(&sc->sc_mtx);
 329
 330         return (0);
 331
 332 detach:
 333         uvscom_detach(dev);
 334         return (ENXIO);
 335 }
 336
 337 static int
 338 uvscom_detach(device_t dev)
 339 {
 340         struct uvscom_softc *sc = device_get_softc(dev);
 341
 342         DPRINTF("sc=%p\n", sc);
 343
 344         /* stop interrupt pipe */
 345
 346         if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
 347                 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 348
 349         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 350         usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
 351         mtx_destroy(&sc->sc_mtx);
 352
 353         return (0);
 354 }
 355
 356 static void
 357 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
 358 {
 359         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 360         struct usb_page_cache *pc;
 361         uint32_t actlen;
 362
 363         switch (USB_GET_STATE(xfer)) {
 364         case USB_ST_SETUP:
 365         case USB_ST_TRANSFERRED:
 366 tr_setup:
 367                 pc = usbd_xfer_get_frame(xfer, 0);
 368                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 369                     UVSCOM_BULK_BUF_SIZE, &actlen)) {
 370
 371                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 372                         usbd_transfer_submit(xfer);
 373                 }
 374                 return;
 375
 376         default:                        /* Error */
 377                 if (error != USB_ERR_CANCELLED) {
 378                         /* try to clear stall first */
 379                         usbd_xfer_set_stall(xfer);
 380                         goto tr_setup;
 381                 }
 382                 return;
 383         }
 384 }
 385
 386 static void
 387 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
 388 {
 389         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 390         struct usb_page_cache *pc;
 391         int actlen;
 392
 393         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 394
 395         switch (USB_GET_STATE(xfer)) {
 396         case USB_ST_TRANSFERRED:
 397                 pc = usbd_xfer_get_frame(xfer, 0);
 398                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 399
 400         case USB_ST_SETUP:
 401 tr_setup:
 402                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 403                 usbd_transfer_submit(xfer);
 404                 return;
 405
 406         default:                        /* Error */
 407                 if (error != USB_ERR_CANCELLED) {
 408                         /* try to clear stall first */
 409                         usbd_xfer_set_stall(xfer);
 410                         goto tr_setup;
 411                 }
 412                 return;
 413         }
 414 }
 415
 416 static void
 417 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 418 {
 419         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 420         struct usb_page_cache *pc;
 421         uint8_t buf[2];
 422         int actlen;
 423
 424         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 425
 426         switch (USB_GET_STATE(xfer)) {
 427         case USB_ST_TRANSFERRED:
 428                 if (actlen >= 2) {
 429
 430                         pc = usbd_xfer_get_frame(xfer, 0);
 431                         usbd_copy_out(pc, 0, buf, sizeof(buf));
 432
 433                         sc->sc_lsr = 0;
 434                         sc->sc_msr = 0;
 435                         sc->sc_unit_status = buf[1];
 436
 437                         if (buf[0] & UVSCOM_TXRDY) {
 438                                 sc->sc_lsr |= ULSR_TXRDY;
 439                         }
 440                         if (buf[0] & UVSCOM_RXRDY) {
 441                                 sc->sc_lsr |= ULSR_RXRDY;
 442                         }
 443                         if (buf[1] & UVSCOM_CTS) {
 444                                 sc->sc_msr |= SER_CTS;
 445                         }
 446                         if (buf[1] & UVSCOM_DSR) {
 447                                 sc->sc_msr |= SER_DSR;
 448                         }
 449                         if (buf[1] & UVSCOM_DCD) {
 450                                 sc->sc_msr |= SER_DCD;
 451                         }
 452                         /*
 453                          * the UCOM layer will ignore this call if the TTY
 454                          * device is closed!
 455                          */
 456                         ucom_status_change(&sc->sc_ucom);
 457                 }
 458         case USB_ST_SETUP:
 459 tr_setup:
 460                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 461                 usbd_transfer_submit(xfer);
 462                 return;
 463
 464         default:                        /* Error */
 465                 if (error != USB_ERR_CANCELLED) {
 466                         /* try to clear stall first */
 467                         usbd_xfer_set_stall(xfer);
 468                         goto tr_setup;
 469                 }
 470                 return;
 471         }
 472 }
 473
 474 static void
 475 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 476 {
 477         struct uvscom_softc *sc = ucom->sc_parent;
 478
 479         DPRINTF("onoff = %d\n", onoff);
 480
 481         if (onoff)
 482                 sc->sc_line |= UVSCOM_DTR;
 483         else
 484                 sc->sc_line &= ~UVSCOM_DTR;
 485
 486         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 487 }
 488
 489 static void
 490 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 491 {
 492         struct uvscom_softc *sc = ucom->sc_parent;
 493
 494         DPRINTF("onoff = %d\n", onoff);
 495
 496         if (onoff)
 497                 sc->sc_line |= UVSCOM_RTS;
 498         else
 499                 sc->sc_line &= ~UVSCOM_RTS;
 500
 501         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 502 }
 503
 504 static void
 505 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 506 {
 507         struct uvscom_softc *sc = ucom->sc_parent;
 508
 509         DPRINTF("onoff = %d\n", onoff);
 510
 511         if (onoff)
 512                 sc->sc_line |= UVSCOM_BREAK;
 513         else
 514                 sc->sc_line &= ~UVSCOM_BREAK;
 515
 516         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 517 }
 518
 519 static int
 520 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
 521 {
 522         switch (t->c_ospeed) {
 523                 case B150:
 524                 case B300:
 525                 case B600:
 526                 case B1200:
 527                 case B2400:
 528                 case B4800:
 529                 case B9600:
 530                 case B19200:
 531                 case B38400:
 532                 case B57600:
 533                 case B115200:
 534                 default:
 535                 return (EINVAL);
 536         }
 537         return (0);
 538 }
 539
 540 static void
 541 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
 542 {
 543         struct uvscom_softc *sc = ucom->sc_parent;
 544         uint16_t value;
 545
 546         DPRINTF("\n");
 547
 548         switch (t->c_ospeed) {
 549         case B150:
 550                 value = UVSCOM_SPEED_150BPS;
 551                 break;
 552         case B300:
 553                 value = UVSCOM_SPEED_300BPS;
 554                 break;
 555         case B600:
 556                 value = UVSCOM_SPEED_600BPS;
 557                 break;
 558         case B1200:
 559                 value = UVSCOM_SPEED_1200BPS;
 560                 break;
 561         case B2400:
 562                 value = UVSCOM_SPEED_2400BPS;
 563                 break;
 564         case B4800:
 565                 value = UVSCOM_SPEED_4800BPS;
 566                 break;
 567         case B9600:
 568                 value = UVSCOM_SPEED_9600BPS;
 569                 break;
 570         case B19200:
 571                 value = UVSCOM_SPEED_19200BPS;
 572                 break;
 573         case B38400:
 574                 value = UVSCOM_SPEED_38400BPS;
 575                 break;
 576         case B57600:
 577                 value = UVSCOM_SPEED_57600BPS;
 578                 break;
 579         case B115200:
 580                 value = UVSCOM_SPEED_115200BPS;
 581                 break;
 582         default:
 583                 return;
 584         }
 585
 586         uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
 587
 588         value = 0;
 589
 590         if (t->c_cflag & CSTOPB) {
 591                 value |= UVSCOM_STOP_BIT_2;
 592         }
 593         if (t->c_cflag & PARENB) {
 594                 if (t->c_cflag & PARODD) {
 595                         value |= UVSCOM_PARITY_ODD;
 596                 } else {
 597                         value |= UVSCOM_PARITY_EVEN;
 598                 }
 599         } else {
 600                 value |= UVSCOM_PARITY_NONE;
 601         }
 602
 603         switch (t->c_cflag & CSIZE) {
 604         case CS5:
 605                 value |= UVSCOM_DATA_BIT_5;
 606                 break;
 607         case CS6:
 608                 value |= UVSCOM_DATA_BIT_6;
 609                 break;
 610         case CS7:
 611                 value |= UVSCOM_DATA_BIT_7;
 612                 break;
 613         default:
 614         case CS8:
 615                 value |= UVSCOM_DATA_BIT_8;
 616                 break;
 617         }
 618
 619         uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
 620 }
 621
 622 static int
 623 uvscom_pre_open(struct ucom_softc *ucom)
 624 {
 625         struct uvscom_softc *sc = ucom->sc_parent;
 626
 627         DPRINTF("sc = %p\n", sc);
 628
 629         /* check if PC card was inserted */
 630
 631         if (sc->sc_unit_status & UVSCOM_NOCARD) {
 632                 DPRINTF("no PC card!\n");
 633                 return (ENXIO);
 634         }
 635         return (0);
 636 }
 637
 638 static void
 639 uvscom_cfg_open(struct ucom_softc *ucom)
 640 {
 641         struct uvscom_softc *sc = ucom->sc_parent;
 642
 643         DPRINTF("sc = %p\n", sc);
 644
 645         uvscom_cfg_read_status(sc);
 646 }
 647
 648 static void
 649 uvscom_cfg_close(struct ucom_softc *ucom)
 650 {
 651         struct uvscom_softc *sc = ucom->sc_parent;
 652
 653         DPRINTF("sc=%p\n", sc);
 654
 655         uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
 656 }
 657
 658 static void
 659 uvscom_start_read(struct ucom_softc *ucom)
 660 {
 661         struct uvscom_softc *sc = ucom->sc_parent;
 662
 663         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 664 }
 665
 666 static void
 667 uvscom_stop_read(struct ucom_softc *ucom)
 668 {
 669         struct uvscom_softc *sc = ucom->sc_parent;
 670
 671         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 672 }
 673
 674 static void
 675 uvscom_start_write(struct ucom_softc *ucom)
 676 {
 677         struct uvscom_softc *sc = ucom->sc_parent;
 678
 679         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 680 }
 681
 682 static void
 683 uvscom_stop_write(struct ucom_softc *ucom)
 684 {
 685         struct uvscom_softc *sc = ucom->sc_parent;
 686
 687         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 688 }
 689
 690 static void
 691 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 692 {
 693         struct uvscom_softc *sc = ucom->sc_parent;
 694
 695         *lsr = sc->sc_lsr;
 696         *msr = sc->sc_msr;
 697 }
 698
 699 static void
 700 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
 701 {
 702         struct usb_device_request req;
 703         usb_error_t err;
 704
 705         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 706         req.bRequest = index;
 707         USETW(req.wValue, value);
 708         USETW(req.wIndex, 0);
 709         USETW(req.wLength, 0);
 710
 711         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 712             &req, NULL, 0, 1000);
 713         if (err) {
 714                 DPRINTFN(0, "device request failed, err=%s "
 715                     "(ignored)\n", usbd_errstr(err));
 716         }
 717 }
 718
 719 static uint16_t
 720 uvscom_cfg_read_status(struct uvscom_softc *sc)
 721 {
 722         struct usb_device_request req;
 723         usb_error_t err;
 724         uint8_t data[2];
 725
 726         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 727         req.bRequest = UVSCOM_READ_STATUS;
 728         USETW(req.wValue, 0);
 729         USETW(req.wIndex, 0);
 730         USETW(req.wLength, 2);
 731
 732         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 733             &req, data, 0, 1000);
 734         if (err) {
 735                 DPRINTFN(0, "device request failed, err=%s "
 736                     "(ignored)\n", usbd_errstr(err));
 737         }
 738         return (data[0] | (data[1] << 8));
 739 }
 740
 741 static void
 742 uvscom_poll(struct ucom_softc *ucom)
 743 {
 744         struct uvscom_softc *sc = ucom->sc_parent;
 745         usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
 746 }