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 #if 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
 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 };
 234
 235 static const struct usb_device_id uvscom_devs[] = {
 236         /* SUNTAC U-Cable type A4 */
 237         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
 238         /* SUNTAC U-Cable type D2 */
 239         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
 240         /* SUNTAC Ir-Trinity */
 241         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
 242         /* SUNTAC U-Cable type P1 */
 243         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
 244         /* SUNTAC Slipper U */
 245         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
 246 };
 247
 248 static device_method_t uvscom_methods[] = {
 249         DEVMETHOD(device_probe, uvscom_probe),
 250         DEVMETHOD(device_attach, uvscom_attach),
 251         DEVMETHOD(device_detach, uvscom_detach),
 252         {0, 0}
 253 };
 254
 255 static devclass_t uvscom_devclass;
 256
 257 static driver_t uvscom_driver = {
 258         .name = "uvscom",
 259         .methods = uvscom_methods,
 260         .size = sizeof(struct uvscom_softc),
 261 };
 262
 263 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0);
 264 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
 265 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
 266 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 267
 268 static int
 269 uvscom_probe(device_t dev)
 270 {
 271         struct usb_attach_arg *uaa = device_get_ivars(dev);
 272
 273         if (uaa->usb_mode != USB_MODE_HOST) {
 274                 return (ENXIO);
 275         }
 276         if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
 277                 return (ENXIO);
 278         }
 279         if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
 280                 return (ENXIO);
 281         }
 282         return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
 283 }
 284
 285 static int
 286 uvscom_attach(device_t dev)
 287 {
 288         struct usb_attach_arg *uaa = device_get_ivars(dev);
 289         struct uvscom_softc *sc = device_get_softc(dev);
 290         int error;
 291
 292         device_set_usb_desc(dev);
 293         mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
 294
 295         sc->sc_udev = uaa->device;
 296
 297         DPRINTF("sc=%p\n", sc);
 298
 299         sc->sc_iface_no = uaa->info.bIfaceNum;
 300         sc->sc_iface_index = UVSCOM_IFACE_INDEX;
 301
 302         error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
 303             sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
 304
 305         if (error) {
 306                 DPRINTF("could not allocate all USB transfers!\n");
 307                 goto detach;
 308         }
 309         sc->sc_line = UVSCOM_LINE_INIT;
 310
 311         /* clear stall at first run */
 312         mtx_lock(&sc->sc_mtx);
 313         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 314         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 315         mtx_unlock(&sc->sc_mtx);
 316
 317         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 318             &uvscom_callback, &sc->sc_mtx);
 319         if (error) {
 320                 goto detach;
 321         }
 322         /* start interrupt pipe */
 323         mtx_lock(&sc->sc_mtx);
 324         usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 325         mtx_unlock(&sc->sc_mtx);
 326
 327         return (0);
 328
 329 detach:
 330         uvscom_detach(dev);
 331         return (ENXIO);
 332 }
 333
 334 static int
 335 uvscom_detach(device_t dev)
 336 {
 337         struct uvscom_softc *sc = device_get_softc(dev);
 338
 339         DPRINTF("sc=%p\n", sc);
 340
 341         /* stop interrupt pipe */
 342
 343         if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
 344                 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 345
 346         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1);
 347         usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
 348         mtx_destroy(&sc->sc_mtx);
 349
 350         return (0);
 351 }
 352
 353 static void
 354 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
 355 {
 356         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 357         struct usb_page_cache *pc;
 358         uint32_t actlen;
 359
 360         switch (USB_GET_STATE(xfer)) {
 361         case USB_ST_SETUP:
 362         case USB_ST_TRANSFERRED:
 363 tr_setup:
 364                 pc = usbd_xfer_get_frame(xfer, 0);
 365                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 366                     UVSCOM_BULK_BUF_SIZE, &actlen)) {
 367
 368                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 369                         usbd_transfer_submit(xfer);
 370                 }
 371                 return;
 372
 373         default:                        /* Error */
 374                 if (error != USB_ERR_CANCELLED) {
 375                         /* try to clear stall first */
 376                         usbd_xfer_set_stall(xfer);
 377                         goto tr_setup;
 378                 }
 379                 return;
 380         }
 381 }
 382
 383 static void
 384 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
 385 {
 386         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 387         struct usb_page_cache *pc;
 388         int actlen;
 389
 390         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 391
 392         switch (USB_GET_STATE(xfer)) {
 393         case USB_ST_TRANSFERRED:
 394                 pc = usbd_xfer_get_frame(xfer, 0);
 395                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 396
 397         case USB_ST_SETUP:
 398 tr_setup:
 399                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 400                 usbd_transfer_submit(xfer);
 401                 return;
 402
 403         default:                        /* Error */
 404                 if (error != USB_ERR_CANCELLED) {
 405                         /* try to clear stall first */
 406                         usbd_xfer_set_stall(xfer);
 407                         goto tr_setup;
 408                 }
 409                 return;
 410         }
 411 }
 412
 413 static void
 414 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 415 {
 416         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 417         struct usb_page_cache *pc;
 418         uint8_t buf[2];
 419         int actlen;
 420
 421         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 422
 423         switch (USB_GET_STATE(xfer)) {
 424         case USB_ST_TRANSFERRED:
 425                 if (actlen >= 2) {
 426
 427                         pc = usbd_xfer_get_frame(xfer, 0);
 428                         usbd_copy_out(pc, 0, buf, sizeof(buf));
 429
 430                         sc->sc_lsr = 0;
 431                         sc->sc_msr = 0;
 432                         sc->sc_unit_status = buf[1];
 433
 434                         if (buf[0] & UVSCOM_TXRDY) {
 435                                 sc->sc_lsr |= ULSR_TXRDY;
 436                         }
 437                         if (buf[0] & UVSCOM_RXRDY) {
 438                                 sc->sc_lsr |= ULSR_RXRDY;
 439                         }
 440                         if (buf[1] & UVSCOM_CTS) {
 441                                 sc->sc_msr |= SER_CTS;
 442                         }
 443                         if (buf[1] & UVSCOM_DSR) {
 444                                 sc->sc_msr |= SER_DSR;
 445                         }
 446                         if (buf[1] & UVSCOM_DCD) {
 447                                 sc->sc_msr |= SER_DCD;
 448                         }
 449                         /*
 450                          * the UCOM layer will ignore this call if the TTY
 451                          * device is closed!
 452                          */
 453                         ucom_status_change(&sc->sc_ucom);
 454                 }
 455         case USB_ST_SETUP:
 456 tr_setup:
 457                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 458                 usbd_transfer_submit(xfer);
 459                 return;
 460
 461         default:                        /* Error */
 462                 if (error != USB_ERR_CANCELLED) {
 463                         /* try to clear stall first */
 464                         usbd_xfer_set_stall(xfer);
 465                         goto tr_setup;
 466                 }
 467                 return;
 468         }
 469 }
 470
 471 static void
 472 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 473 {
 474         struct uvscom_softc *sc = ucom->sc_parent;
 475
 476         DPRINTF("onoff = %d\n", onoff);
 477
 478         if (onoff)
 479                 sc->sc_line |= UVSCOM_DTR;
 480         else
 481                 sc->sc_line &= ~UVSCOM_DTR;
 482
 483         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 484 }
 485
 486 static void
 487 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 488 {
 489         struct uvscom_softc *sc = ucom->sc_parent;
 490
 491         DPRINTF("onoff = %d\n", onoff);
 492
 493         if (onoff)
 494                 sc->sc_line |= UVSCOM_RTS;
 495         else
 496                 sc->sc_line &= ~UVSCOM_RTS;
 497
 498         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 499 }
 500
 501 static void
 502 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 503 {
 504         struct uvscom_softc *sc = ucom->sc_parent;
 505
 506         DPRINTF("onoff = %d\n", onoff);
 507
 508         if (onoff)
 509                 sc->sc_line |= UVSCOM_BREAK;
 510         else
 511                 sc->sc_line &= ~UVSCOM_BREAK;
 512
 513         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 514 }
 515
 516 static int
 517 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
 518 {
 519         switch (t->c_ospeed) {
 520                 case B150:
 521                 case B300:
 522                 case B600:
 523                 case B1200:
 524                 case B2400:
 525                 case B4800:
 526                 case B9600:
 527                 case B19200:
 528                 case B38400:
 529                 case B57600:
 530                 case B115200:
 531                 default:
 532                 return (EINVAL);
 533         }
 534         return (0);
 535 }
 536
 537 static void
 538 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
 539 {
 540         struct uvscom_softc *sc = ucom->sc_parent;
 541         uint16_t value;
 542
 543         DPRINTF("\n");
 544
 545         switch (t->c_ospeed) {
 546         case B150:
 547                 value = UVSCOM_SPEED_150BPS;
 548                 break;
 549         case B300:
 550                 value = UVSCOM_SPEED_300BPS;
 551                 break;
 552         case B600:
 553                 value = UVSCOM_SPEED_600BPS;
 554                 break;
 555         case B1200:
 556                 value = UVSCOM_SPEED_1200BPS;
 557                 break;
 558         case B2400:
 559                 value = UVSCOM_SPEED_2400BPS;
 560                 break;
 561         case B4800:
 562                 value = UVSCOM_SPEED_4800BPS;
 563                 break;
 564         case B9600:
 565                 value = UVSCOM_SPEED_9600BPS;
 566                 break;
 567         case B19200:
 568                 value = UVSCOM_SPEED_19200BPS;
 569                 break;
 570         case B38400:
 571                 value = UVSCOM_SPEED_38400BPS;
 572                 break;
 573         case B57600:
 574                 value = UVSCOM_SPEED_57600BPS;
 575                 break;
 576         case B115200:
 577                 value = UVSCOM_SPEED_115200BPS;
 578                 break;
 579         default:
 580                 return;
 581         }
 582
 583         uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
 584
 585         value = 0;
 586
 587         if (t->c_cflag & CSTOPB) {
 588                 value |= UVSCOM_STOP_BIT_2;
 589         }
 590         if (t->c_cflag & PARENB) {
 591                 if (t->c_cflag & PARODD) {
 592                         value |= UVSCOM_PARITY_ODD;
 593                 } else {
 594                         value |= UVSCOM_PARITY_EVEN;
 595                 }
 596         } else {
 597                 value |= UVSCOM_PARITY_NONE;
 598         }
 599
 600         switch (t->c_cflag & CSIZE) {
 601         case CS5:
 602                 value |= UVSCOM_DATA_BIT_5;
 603                 break;
 604         case CS6:
 605                 value |= UVSCOM_DATA_BIT_6;
 606                 break;
 607         case CS7:
 608                 value |= UVSCOM_DATA_BIT_7;
 609                 break;
 610         default:
 611         case CS8:
 612                 value |= UVSCOM_DATA_BIT_8;
 613                 break;
 614         }
 615
 616         uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
 617 }
 618
 619 static int
 620 uvscom_pre_open(struct ucom_softc *ucom)
 621 {
 622         struct uvscom_softc *sc = ucom->sc_parent;
 623
 624         DPRINTF("sc = %p\n", sc);
 625
 626         /* check if PC card was inserted */
 627
 628         if (sc->sc_unit_status & UVSCOM_NOCARD) {
 629                 DPRINTF("no PC card!\n");
 630                 return (ENXIO);
 631         }
 632         return (0);
 633 }
 634
 635 static void
 636 uvscom_cfg_open(struct ucom_softc *ucom)
 637 {
 638         struct uvscom_softc *sc = ucom->sc_parent;
 639
 640         DPRINTF("sc = %p\n", sc);
 641
 642         uvscom_cfg_read_status(sc);
 643 }
 644
 645 static void
 646 uvscom_cfg_close(struct ucom_softc *ucom)
 647 {
 648         struct uvscom_softc *sc = ucom->sc_parent;
 649
 650         DPRINTF("sc=%p\n", sc);
 651
 652         uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
 653 }
 654
 655 static void
 656 uvscom_start_read(struct ucom_softc *ucom)
 657 {
 658         struct uvscom_softc *sc = ucom->sc_parent;
 659
 660         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 661 }
 662
 663 static void
 664 uvscom_stop_read(struct ucom_softc *ucom)
 665 {
 666         struct uvscom_softc *sc = ucom->sc_parent;
 667
 668         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 669 }
 670
 671 static void
 672 uvscom_start_write(struct ucom_softc *ucom)
 673 {
 674         struct uvscom_softc *sc = ucom->sc_parent;
 675
 676         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 677 }
 678
 679 static void
 680 uvscom_stop_write(struct ucom_softc *ucom)
 681 {
 682         struct uvscom_softc *sc = ucom->sc_parent;
 683
 684         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 685 }
 686
 687 static void
 688 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 689 {
 690         struct uvscom_softc *sc = ucom->sc_parent;
 691
 692         *lsr = sc->sc_lsr;
 693         *msr = sc->sc_msr;
 694 }
 695
 696 static void
 697 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
 698 {
 699         struct usb_device_request req;
 700         usb_error_t err;
 701
 702         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 703         req.bRequest = index;
 704         USETW(req.wValue, value);
 705         USETW(req.wIndex, 0);
 706         USETW(req.wLength, 0);
 707
 708         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 709             &req, NULL, 0, 1000);
 710         if (err) {
 711                 DPRINTFN(0, "device request failed, err=%s "
 712                     "(ignored)\n", usbd_errstr(err));
 713         }
 714 }
 715
 716 static uint16_t
 717 uvscom_cfg_read_status(struct uvscom_softc *sc)
 718 {
 719         struct usb_device_request req;
 720         usb_error_t err;
 721         uint8_t data[2];
 722
 723         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 724         req.bRequest = UVSCOM_READ_STATUS;
 725         USETW(req.wValue, 0);
 726         USETW(req.wIndex, 0);
 727         USETW(req.wLength, 2);
 728
 729         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 730             &req, data, 0, 1000);
 731         if (err) {
 732                 DPRINTFN(0, "device request failed, err=%s "
 733                     "(ignored)\n", usbd_errstr(err));
 734         }
 735         return (data[0] | (data[1] << 8));
 736 }