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 static 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 static void uvscom_free_softc(struct uvscom_softc *);
 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_free(struct ucom_softc *);
 173 static void     uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
 174 static void     uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
 175 static void     uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
 176 static int      uvscom_pre_param(struct ucom_softc *, struct termios *);
 177 static void     uvscom_cfg_param(struct ucom_softc *, struct termios *);
 178 static int      uvscom_pre_open(struct ucom_softc *);
 179 static void     uvscom_cfg_open(struct ucom_softc *);
 180 static void     uvscom_cfg_close(struct ucom_softc *);
 181 static void     uvscom_start_read(struct ucom_softc *);
 182 static void     uvscom_stop_read(struct ucom_softc *);
 183 static void     uvscom_start_write(struct ucom_softc *);
 184 static void     uvscom_stop_write(struct ucom_softc *);
 185 static void     uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
 186                     uint8_t *);
 187 static void     uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
 188 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
 189 static void     uvscom_poll(struct ucom_softc *ucom);
 190
 191 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
 192
 193         [UVSCOM_BULK_DT_WR] = {
 194                 .type = UE_BULK,
 195                 .endpoint = UE_ADDR_ANY,
 196                 .direction = UE_DIR_OUT,
 197                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 198                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 199                 .callback = &uvscom_write_callback,
 200         },
 201
 202         [UVSCOM_BULK_DT_RD] = {
 203                 .type = UE_BULK,
 204                 .endpoint = UE_ADDR_ANY,
 205                 .direction = UE_DIR_IN,
 206                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 207                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 208                 .callback = &uvscom_read_callback,
 209         },
 210
 211         [UVSCOM_INTR_DT_RD] = {
 212                 .type = UE_INTERRUPT,
 213                 .endpoint = UE_ADDR_ANY,
 214                 .direction = UE_DIR_IN,
 215                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 216                 .bufsize = 0,   /* use wMaxPacketSize */
 217                 .callback = &uvscom_intr_callback,
 218         },
 219 };
 220
 221 static const struct ucom_callback uvscom_callback = {
 222         .ucom_cfg_get_status = &uvscom_cfg_get_status,
 223         .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
 224         .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
 225         .ucom_cfg_set_break = &uvscom_cfg_set_break,
 226         .ucom_cfg_param = &uvscom_cfg_param,
 227         .ucom_cfg_open = &uvscom_cfg_open,
 228         .ucom_cfg_close = &uvscom_cfg_close,
 229         .ucom_pre_open = &uvscom_pre_open,
 230         .ucom_pre_param = &uvscom_pre_param,
 231         .ucom_start_read = &uvscom_start_read,
 232         .ucom_stop_read = &uvscom_stop_read,
 233         .ucom_start_write = &uvscom_start_write,
 234         .ucom_stop_write = &uvscom_stop_write,
 235         .ucom_poll = &uvscom_poll,
 236         .ucom_free = &uvscom_free,
 237 };
 238
 239 static const STRUCT_USB_HOST_ID uvscom_devs[] = {
 240         /* SUNTAC U-Cable type A4 */
 241         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
 242         /* SUNTAC U-Cable type D2 */
 243         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
 244         /* SUNTAC Ir-Trinity */
 245         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
 246         /* SUNTAC U-Cable type P1 */
 247         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
 248         /* SUNTAC Slipper U */
 249         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
 250 };
 251
 252 static device_method_t uvscom_methods[] = {
 253         DEVMETHOD(device_probe, uvscom_probe),
 254         DEVMETHOD(device_attach, uvscom_attach),
 255         DEVMETHOD(device_detach, uvscom_detach),
 256         DEVMETHOD_END
 257 };
 258
 259 static devclass_t uvscom_devclass;
 260
 261 static driver_t uvscom_driver = {
 262         .name = "uvscom",
 263         .methods = uvscom_methods,
 264         .size = sizeof(struct uvscom_softc),
 265 };
 266
 267 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0);
 268 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
 269 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
 270 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 271
 272 static int
 273 uvscom_probe(device_t dev)
 274 {
 275         struct usb_attach_arg *uaa = device_get_ivars(dev);
 276
 277         if (uaa->usb_mode != USB_MODE_HOST) {
 278                 return (ENXIO);
 279         }
 280         if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
 281                 return (ENXIO);
 282         }
 283         if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
 284                 return (ENXIO);
 285         }
 286         return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
 287 }
 288
 289 static int
 290 uvscom_attach(device_t dev)
 291 {
 292         struct usb_attach_arg *uaa = device_get_ivars(dev);
 293         struct uvscom_softc *sc = device_get_softc(dev);
 294         int error;
 295
 296         device_set_usb_desc(dev);
 297         mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
 298         ucom_ref(&sc->sc_super_ucom);
 299
 300         sc->sc_udev = uaa->device;
 301
 302         DPRINTF("sc=%p\n", sc);
 303
 304         sc->sc_iface_no = uaa->info.bIfaceNum;
 305         sc->sc_iface_index = UVSCOM_IFACE_INDEX;
 306
 307         error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
 308             sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
 309
 310         if (error) {
 311                 DPRINTF("could not allocate all USB transfers!\n");
 312                 goto detach;
 313         }
 314         sc->sc_line = UVSCOM_LINE_INIT;
 315
 316         /* clear stall at first run */
 317         mtx_lock(&sc->sc_mtx);
 318         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 319         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 320         mtx_unlock(&sc->sc_mtx);
 321
 322         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 323             &uvscom_callback, &sc->sc_mtx);
 324         if (error) {
 325                 goto detach;
 326         }
 327         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 328
 329         /* start interrupt pipe */
 330         mtx_lock(&sc->sc_mtx);
 331         usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 332         mtx_unlock(&sc->sc_mtx);
 333
 334         return (0);
 335
 336 detach:
 337         uvscom_detach(dev);
 338         return (ENXIO);
 339 }
 340
 341 static int
 342 uvscom_detach(device_t dev)
 343 {
 344         struct uvscom_softc *sc = device_get_softc(dev);
 345
 346         DPRINTF("sc=%p\n", sc);
 347
 348         /* stop interrupt pipe */
 349
 350         if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
 351                 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 352
 353         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 354         usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
 355
 356         device_claim_softc(dev);
 357
 358         uvscom_free_softc(sc);
 359
 360         return (0);
 361 }
 362
 363 UCOM_UNLOAD_DRAIN(uvscom);
 364
 365 static void
 366 uvscom_free_softc(struct uvscom_softc *sc)
 367 {
 368         if (ucom_unref(&sc->sc_super_ucom)) {
 369                 mtx_destroy(&sc->sc_mtx);
 370                 device_free_softc(sc);
 371         }
 372 }
 373
 374 static void
 375 uvscom_free(struct ucom_softc *ucom)
 376 {
 377         uvscom_free_softc(ucom->sc_parent);
 378 }
 379
 380 static void
 381 uvscom_write_callback(struct usb_xfer *xfer, usb_error_t error)
 382 {
 383         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 384         struct usb_page_cache *pc;
 385         uint32_t actlen;
 386
 387         switch (USB_GET_STATE(xfer)) {
 388         case USB_ST_SETUP:
 389         case USB_ST_TRANSFERRED:
 390 tr_setup:
 391                 pc = usbd_xfer_get_frame(xfer, 0);
 392                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 393                     UVSCOM_BULK_BUF_SIZE, &actlen)) {
 394
 395                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 396                         usbd_transfer_submit(xfer);
 397                 }
 398                 return;
 399
 400         default:                        /* Error */
 401                 if (error != USB_ERR_CANCELLED) {
 402                         /* try to clear stall first */
 403                         usbd_xfer_set_stall(xfer);
 404                         goto tr_setup;
 405                 }
 406                 return;
 407         }
 408 }
 409
 410 static void
 411 uvscom_read_callback(struct usb_xfer *xfer, usb_error_t error)
 412 {
 413         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 414         struct usb_page_cache *pc;
 415         int actlen;
 416
 417         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 418
 419         switch (USB_GET_STATE(xfer)) {
 420         case USB_ST_TRANSFERRED:
 421                 pc = usbd_xfer_get_frame(xfer, 0);
 422                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 423
 424         case USB_ST_SETUP:
 425 tr_setup:
 426                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 427                 usbd_transfer_submit(xfer);
 428                 return;
 429
 430         default:                        /* Error */
 431                 if (error != USB_ERR_CANCELLED) {
 432                         /* try to clear stall first */
 433                         usbd_xfer_set_stall(xfer);
 434                         goto tr_setup;
 435                 }
 436                 return;
 437         }
 438 }
 439
 440 static void
 441 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 442 {
 443         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 444         struct usb_page_cache *pc;
 445         uint8_t buf[2];
 446         int actlen;
 447
 448         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 449
 450         switch (USB_GET_STATE(xfer)) {
 451         case USB_ST_TRANSFERRED:
 452                 if (actlen >= 2) {
 453
 454                         pc = usbd_xfer_get_frame(xfer, 0);
 455                         usbd_copy_out(pc, 0, buf, sizeof(buf));
 456
 457                         sc->sc_lsr = 0;
 458                         sc->sc_msr = 0;
 459                         sc->sc_unit_status = buf[1];
 460
 461                         if (buf[0] & UVSCOM_TXRDY) {
 462                                 sc->sc_lsr |= ULSR_TXRDY;
 463                         }
 464                         if (buf[0] & UVSCOM_RXRDY) {
 465                                 sc->sc_lsr |= ULSR_RXRDY;
 466                         }
 467                         if (buf[1] & UVSCOM_CTS) {
 468                                 sc->sc_msr |= SER_CTS;
 469                         }
 470                         if (buf[1] & UVSCOM_DSR) {
 471                                 sc->sc_msr |= SER_DSR;
 472                         }
 473                         if (buf[1] & UVSCOM_DCD) {
 474                                 sc->sc_msr |= SER_DCD;
 475                         }
 476                         /*
 477                          * the UCOM layer will ignore this call if the TTY
 478                          * device is closed!
 479                          */
 480                         ucom_status_change(&sc->sc_ucom);
 481                 }
 482         case USB_ST_SETUP:
 483 tr_setup:
 484                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 485                 usbd_transfer_submit(xfer);
 486                 return;
 487
 488         default:                        /* Error */
 489                 if (error != USB_ERR_CANCELLED) {
 490                         /* try to clear stall first */
 491                         usbd_xfer_set_stall(xfer);
 492                         goto tr_setup;
 493                 }
 494                 return;
 495         }
 496 }
 497
 498 static void
 499 uvscom_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff)
 500 {
 501         struct uvscom_softc *sc = ucom->sc_parent;
 502
 503         DPRINTF("onoff = %d\n", onoff);
 504
 505         if (onoff)
 506                 sc->sc_line |= UVSCOM_DTR;
 507         else
 508                 sc->sc_line &= ~UVSCOM_DTR;
 509
 510         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 511 }
 512
 513 static void
 514 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 515 {
 516         struct uvscom_softc *sc = ucom->sc_parent;
 517
 518         DPRINTF("onoff = %d\n", onoff);
 519
 520         if (onoff)
 521                 sc->sc_line |= UVSCOM_RTS;
 522         else
 523                 sc->sc_line &= ~UVSCOM_RTS;
 524
 525         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 526 }
 527
 528 static void
 529 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 530 {
 531         struct uvscom_softc *sc = ucom->sc_parent;
 532
 533         DPRINTF("onoff = %d\n", onoff);
 534
 535         if (onoff)
 536                 sc->sc_line |= UVSCOM_BREAK;
 537         else
 538                 sc->sc_line &= ~UVSCOM_BREAK;
 539
 540         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 541 }
 542
 543 static int
 544 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
 545 {
 546         switch (t->c_ospeed) {
 547                 case B150:
 548                 case B300:
 549                 case B600:
 550                 case B1200:
 551                 case B2400:
 552                 case B4800:
 553                 case B9600:
 554                 case B19200:
 555                 case B38400:
 556                 case B57600:
 557                 case B115200:
 558                 default:
 559                 return (EINVAL);
 560         }
 561         return (0);
 562 }
 563
 564 static void
 565 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
 566 {
 567         struct uvscom_softc *sc = ucom->sc_parent;
 568         uint16_t value;
 569
 570         DPRINTF("\n");
 571
 572         switch (t->c_ospeed) {
 573         case B150:
 574                 value = UVSCOM_SPEED_150BPS;
 575                 break;
 576         case B300:
 577                 value = UVSCOM_SPEED_300BPS;
 578                 break;
 579         case B600:
 580                 value = UVSCOM_SPEED_600BPS;
 581                 break;
 582         case B1200:
 583                 value = UVSCOM_SPEED_1200BPS;
 584                 break;
 585         case B2400:
 586                 value = UVSCOM_SPEED_2400BPS;
 587                 break;
 588         case B4800:
 589                 value = UVSCOM_SPEED_4800BPS;
 590                 break;
 591         case B9600:
 592                 value = UVSCOM_SPEED_9600BPS;
 593                 break;
 594         case B19200:
 595                 value = UVSCOM_SPEED_19200BPS;
 596                 break;
 597         case B38400:
 598                 value = UVSCOM_SPEED_38400BPS;
 599                 break;
 600         case B57600:
 601                 value = UVSCOM_SPEED_57600BPS;
 602                 break;
 603         case B115200:
 604                 value = UVSCOM_SPEED_115200BPS;
 605                 break;
 606         default:
 607                 return;
 608         }
 609
 610         uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
 611
 612         value = 0;
 613
 614         if (t->c_cflag & CSTOPB) {
 615                 value |= UVSCOM_STOP_BIT_2;
 616         }
 617         if (t->c_cflag & PARENB) {
 618                 if (t->c_cflag & PARODD) {
 619                         value |= UVSCOM_PARITY_ODD;
 620                 } else {
 621                         value |= UVSCOM_PARITY_EVEN;
 622                 }
 623         } else {
 624                 value |= UVSCOM_PARITY_NONE;
 625         }
 626
 627         switch (t->c_cflag & CSIZE) {
 628         case CS5:
 629                 value |= UVSCOM_DATA_BIT_5;
 630                 break;
 631         case CS6:
 632                 value |= UVSCOM_DATA_BIT_6;
 633                 break;
 634         case CS7:
 635                 value |= UVSCOM_DATA_BIT_7;
 636                 break;
 637         default:
 638         case CS8:
 639                 value |= UVSCOM_DATA_BIT_8;
 640                 break;
 641         }
 642
 643         uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
 644 }
 645
 646 static int
 647 uvscom_pre_open(struct ucom_softc *ucom)
 648 {
 649         struct uvscom_softc *sc = ucom->sc_parent;
 650
 651         DPRINTF("sc = %p\n", sc);
 652
 653         /* check if PC card was inserted */
 654
 655         if (sc->sc_unit_status & UVSCOM_NOCARD) {
 656                 DPRINTF("no PC card!\n");
 657                 return (ENXIO);
 658         }
 659         return (0);
 660 }
 661
 662 static void
 663 uvscom_cfg_open(struct ucom_softc *ucom)
 664 {
 665         struct uvscom_softc *sc = ucom->sc_parent;
 666
 667         DPRINTF("sc = %p\n", sc);
 668
 669         uvscom_cfg_read_status(sc);
 670 }
 671
 672 static void
 673 uvscom_cfg_close(struct ucom_softc *ucom)
 674 {
 675         struct uvscom_softc *sc = ucom->sc_parent;
 676
 677         DPRINTF("sc=%p\n", sc);
 678
 679         uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
 680 }
 681
 682 static void
 683 uvscom_start_read(struct ucom_softc *ucom)
 684 {
 685         struct uvscom_softc *sc = ucom->sc_parent;
 686
 687         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 688 }
 689
 690 static void
 691 uvscom_stop_read(struct ucom_softc *ucom)
 692 {
 693         struct uvscom_softc *sc = ucom->sc_parent;
 694
 695         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 696 }
 697
 698 static void
 699 uvscom_start_write(struct ucom_softc *ucom)
 700 {
 701         struct uvscom_softc *sc = ucom->sc_parent;
 702
 703         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 704 }
 705
 706 static void
 707 uvscom_stop_write(struct ucom_softc *ucom)
 708 {
 709         struct uvscom_softc *sc = ucom->sc_parent;
 710
 711         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 712 }
 713
 714 static void
 715 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 716 {
 717         struct uvscom_softc *sc = ucom->sc_parent;
 718
 719         *lsr = sc->sc_lsr;
 720         *msr = sc->sc_msr;
 721 }
 722
 723 static void
 724 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
 725 {
 726         struct usb_device_request req;
 727         usb_error_t err;
 728
 729         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 730         req.bRequest = index;
 731         USETW(req.wValue, value);
 732         USETW(req.wIndex, 0);
 733         USETW(req.wLength, 0);
 734
 735         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 736             &req, NULL, 0, 1000);
 737         if (err) {
 738                 DPRINTFN(0, "device request failed, err=%s "
 739                     "(ignored)\n", usbd_errstr(err));
 740         }
 741 }
 742
 743 static uint16_t
 744 uvscom_cfg_read_status(struct uvscom_softc *sc)
 745 {
 746         struct usb_device_request req;
 747         usb_error_t err;
 748         uint8_t data[2];
 749
 750         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 751         req.bRequest = UVSCOM_READ_STATUS;
 752         USETW(req.wValue, 0);
 753         USETW(req.wIndex, 0);
 754         USETW(req.wLength, 2);
 755
 756         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 757             &req, data, 0, 1000);
 758         if (err) {
 759                 DPRINTFN(0, "device request failed, err=%s "
 760                     "(ignored)\n", usbd_errstr(err));
 761         }
 762         return (data[0] | (data[1] << 8));
 763 }
 764
 765 static void
 766 uvscom_poll(struct ucom_softc *ucom)
 767 {
 768         struct uvscom_softc *sc = ucom->sc_parent;
 769         usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
 770 }