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