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  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
   8  *
   9  * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
  10  * All rights reserved.
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following conditions
  14  * are met:
  15  * 1. Redistributions of source code must retain the above copyright
  16  *    notice, this list of conditions and the following disclaimer.
  17  * 2. Redistributions in binary form must reproduce the above copyright
  18  *    notice, this list of conditions and the following disclaimer in the
  19  *    documentation and/or other materials provided with the distribution.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  *
  33  */
  34
  35 /*
  36  * uvscom: SUNTAC Slipper U VS-10U driver.
  37  * Slipper U is a PC Card to USB converter for data communication card
  38  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
  39  * P-in m@ater and various data communication card adapters.
  40  */
  41
  42 #include <sys/stdint.h>
  43 #include <sys/stddef.h>
  44 #include <sys/param.h>
  45 #include <sys/queue.h>
  46 #include <sys/types.h>
  47 #include <sys/systm.h>
  48 #include <sys/kernel.h>
  49 #include <sys/bus.h>
  50 #include <sys/module.h>
  51 #include <sys/lock.h>
  52 #include <sys/mutex.h>
  53 #include <sys/condvar.h>
  54 #include <sys/sysctl.h>
  55 #include <sys/sx.h>
  56 #include <sys/unistd.h>
  57 #include <sys/callout.h>
  58 #include <sys/malloc.h>
  59 #include <sys/priv.h>
  60
  61 #include <dev/usb/usb.h>
  62 #include <dev/usb/usbdi.h>
  63 #include <dev/usb/usbdi_util.h>
  64 #include "usbdevs.h"
  65
  66 #define USB_DEBUG_VAR uvscom_debug
  67 #include <dev/usb/usb_debug.h>
  68 #include <dev/usb/usb_process.h>
  69
  70 #include <dev/usb/serial/usb_serial.h>
  71
  72 #ifdef USB_DEBUG
  73 static int uvscom_debug = 0;
  74
  75 static SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
  76 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RWTUN,
  77     &uvscom_debug, 0, "Debug level");
  78 #endif
  79
  80 #define UVSCOM_MODVER           1       /* module version */
  81
  82 #define UVSCOM_CONFIG_INDEX     0
  83 #define UVSCOM_IFACE_INDEX      0
  84
  85 /* Request */
  86 #define UVSCOM_SET_SPEED        0x10
  87 #define UVSCOM_LINE_CTL         0x11
  88 #define UVSCOM_SET_PARAM        0x12
  89 #define UVSCOM_READ_STATUS      0xd0
  90 #define UVSCOM_SHUTDOWN         0xe0
  91
  92 /* UVSCOM_SET_SPEED parameters */
  93 #define UVSCOM_SPEED_150BPS     0x00
  94 #define UVSCOM_SPEED_300BPS     0x01
  95 #define UVSCOM_SPEED_600BPS     0x02
  96 #define UVSCOM_SPEED_1200BPS    0x03
  97 #define UVSCOM_SPEED_2400BPS    0x04
  98 #define UVSCOM_SPEED_4800BPS    0x05
  99 #define UVSCOM_SPEED_9600BPS    0x06
 100 #define UVSCOM_SPEED_19200BPS   0x07
 101 #define UVSCOM_SPEED_38400BPS   0x08
 102 #define UVSCOM_SPEED_57600BPS   0x09
 103 #define UVSCOM_SPEED_115200BPS  0x0a
 104
 105 /* UVSCOM_LINE_CTL parameters */
 106 #define UVSCOM_BREAK            0x40
 107 #define UVSCOM_RTS              0x02
 108 #define UVSCOM_DTR              0x01
 109 #define UVSCOM_LINE_INIT        0x08
 110
 111 /* UVSCOM_SET_PARAM parameters */
 112 #define UVSCOM_DATA_MASK        0x03
 113 #define UVSCOM_DATA_BIT_8       0x03
 114 #define UVSCOM_DATA_BIT_7       0x02
 115 #define UVSCOM_DATA_BIT_6       0x01
 116 #define UVSCOM_DATA_BIT_5       0x00
 117
 118 #define UVSCOM_STOP_MASK        0x04
 119 #define UVSCOM_STOP_BIT_2       0x04
 120 #define UVSCOM_STOP_BIT_1       0x00
 121
 122 #define UVSCOM_PARITY_MASK      0x18
 123 #define UVSCOM_PARITY_EVEN      0x18
 124 #define UVSCOM_PARITY_ODD       0x08
 125 #define UVSCOM_PARITY_NONE      0x00
 126
 127 /* Status bits */
 128 #define UVSCOM_TXRDY            0x04
 129 #define UVSCOM_RXRDY            0x01
 130
 131 #define UVSCOM_DCD              0x08
 132 #define UVSCOM_NOCARD           0x04
 133 #define UVSCOM_DSR              0x02
 134 #define UVSCOM_CTS              0x01
 135 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
 136
 137 #define UVSCOM_BULK_BUF_SIZE    1024    /* bytes */
 138
 139 enum {
 140         UVSCOM_BULK_DT_WR,
 141         UVSCOM_BULK_DT_RD,
 142         UVSCOM_INTR_DT_RD,
 143         UVSCOM_N_TRANSFER,
 144 };
 145
 146 struct uvscom_softc {
 147         struct ucom_super_softc sc_super_ucom;
 148         struct ucom_softc sc_ucom;
 149
 150         struct usb_xfer *sc_xfer[UVSCOM_N_TRANSFER];
 151         struct usb_device *sc_udev;
 152         struct mtx sc_mtx;
 153
 154         uint16_t sc_line;               /* line control register */
 155
 156         uint8_t sc_iface_no;            /* interface number */
 157         uint8_t sc_iface_index;         /* interface index */
 158         uint8_t sc_lsr;                 /* local status register */
 159         uint8_t sc_msr;                 /* uvscom status register */
 160         uint8_t sc_unit_status;         /* unit status */
 161 };
 162
 163 /* prototypes */
 164
 165 static device_probe_t uvscom_probe;
 166 static device_attach_t uvscom_attach;
 167 static device_detach_t uvscom_detach;
 168 static void uvscom_free_softc(struct uvscom_softc *);
 169
 170 static usb_callback_t uvscom_write_callback;
 171 static usb_callback_t uvscom_read_callback;
 172 static usb_callback_t uvscom_intr_callback;
 173
 174 static void     uvscom_free(struct ucom_softc *);
 175 static void     uvscom_cfg_set_dtr(struct ucom_softc *, uint8_t);
 176 static void     uvscom_cfg_set_rts(struct ucom_softc *, uint8_t);
 177 static void     uvscom_cfg_set_break(struct ucom_softc *, uint8_t);
 178 static int      uvscom_pre_param(struct ucom_softc *, struct termios *);
 179 static void     uvscom_cfg_param(struct ucom_softc *, struct termios *);
 180 static int      uvscom_pre_open(struct ucom_softc *);
 181 static void     uvscom_cfg_open(struct ucom_softc *);
 182 static void     uvscom_cfg_close(struct ucom_softc *);
 183 static void     uvscom_start_read(struct ucom_softc *);
 184 static void     uvscom_stop_read(struct ucom_softc *);
 185 static void     uvscom_start_write(struct ucom_softc *);
 186 static void     uvscom_stop_write(struct ucom_softc *);
 187 static void     uvscom_cfg_get_status(struct ucom_softc *, uint8_t *,
 188                     uint8_t *);
 189 static void     uvscom_cfg_write(struct uvscom_softc *, uint8_t, uint16_t);
 190 static uint16_t uvscom_cfg_read_status(struct uvscom_softc *);
 191 static void     uvscom_poll(struct ucom_softc *ucom);
 192
 193 static const struct usb_config uvscom_config[UVSCOM_N_TRANSFER] = {
 194
 195         [UVSCOM_BULK_DT_WR] = {
 196                 .type = UE_BULK,
 197                 .endpoint = UE_ADDR_ANY,
 198                 .direction = UE_DIR_OUT,
 199                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 200                 .flags = {.pipe_bof = 1,.force_short_xfer = 1,},
 201                 .callback = &uvscom_write_callback,
 202         },
 203
 204         [UVSCOM_BULK_DT_RD] = {
 205                 .type = UE_BULK,
 206                 .endpoint = UE_ADDR_ANY,
 207                 .direction = UE_DIR_IN,
 208                 .bufsize = UVSCOM_BULK_BUF_SIZE,
 209                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 210                 .callback = &uvscom_read_callback,
 211         },
 212
 213         [UVSCOM_INTR_DT_RD] = {
 214                 .type = UE_INTERRUPT,
 215                 .endpoint = UE_ADDR_ANY,
 216                 .direction = UE_DIR_IN,
 217                 .flags = {.pipe_bof = 1,.short_xfer_ok = 1,},
 218                 .bufsize = 0,   /* use wMaxPacketSize */
 219                 .callback = &uvscom_intr_callback,
 220         },
 221 };
 222
 223 static const struct ucom_callback uvscom_callback = {
 224         .ucom_cfg_get_status = &uvscom_cfg_get_status,
 225         .ucom_cfg_set_dtr = &uvscom_cfg_set_dtr,
 226         .ucom_cfg_set_rts = &uvscom_cfg_set_rts,
 227         .ucom_cfg_set_break = &uvscom_cfg_set_break,
 228         .ucom_cfg_param = &uvscom_cfg_param,
 229         .ucom_cfg_open = &uvscom_cfg_open,
 230         .ucom_cfg_close = &uvscom_cfg_close,
 231         .ucom_pre_open = &uvscom_pre_open,
 232         .ucom_pre_param = &uvscom_pre_param,
 233         .ucom_start_read = &uvscom_start_read,
 234         .ucom_stop_read = &uvscom_stop_read,
 235         .ucom_start_write = &uvscom_start_write,
 236         .ucom_stop_write = &uvscom_stop_write,
 237         .ucom_poll = &uvscom_poll,
 238         .ucom_free = &uvscom_free,
 239 };
 240
 241 static const STRUCT_USB_HOST_ID uvscom_devs[] = {
 242         /* SUNTAC U-Cable type A4 */
 243         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4, 0)},
 244         /* SUNTAC U-Cable type D2 */
 245         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L, 0)},
 246         /* SUNTAC Ir-Trinity */
 247         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U, 0)},
 248         /* SUNTAC U-Cable type P1 */
 249         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1, 0)},
 250         /* SUNTAC Slipper U */
 251         {USB_VPI(USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U, 0)},
 252 };
 253
 254 static device_method_t uvscom_methods[] = {
 255         DEVMETHOD(device_probe, uvscom_probe),
 256         DEVMETHOD(device_attach, uvscom_attach),
 257         DEVMETHOD(device_detach, uvscom_detach),
 258         DEVMETHOD_END
 259 };
 260
 261 static devclass_t uvscom_devclass;
 262
 263 static driver_t uvscom_driver = {
 264         .name = "uvscom",
 265         .methods = uvscom_methods,
 266         .size = sizeof(struct uvscom_softc),
 267 };
 268
 269 DRIVER_MODULE(uvscom, uhub, uvscom_driver, uvscom_devclass, NULL, 0);
 270 MODULE_DEPEND(uvscom, ucom, 1, 1, 1);
 271 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
 272 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 273 USB_PNP_HOST_INFO(uvscom_devs);
 274
 275 static int
 276 uvscom_probe(device_t dev)
 277 {
 278         struct usb_attach_arg *uaa = device_get_ivars(dev);
 279
 280         if (uaa->usb_mode != USB_MODE_HOST) {
 281                 return (ENXIO);
 282         }
 283         if (uaa->info.bConfigIndex != UVSCOM_CONFIG_INDEX) {
 284                 return (ENXIO);
 285         }
 286         if (uaa->info.bIfaceIndex != UVSCOM_IFACE_INDEX) {
 287                 return (ENXIO);
 288         }
 289         return (usbd_lookup_id_by_uaa(uvscom_devs, sizeof(uvscom_devs), uaa));
 290 }
 291
 292 static int
 293 uvscom_attach(device_t dev)
 294 {
 295         struct usb_attach_arg *uaa = device_get_ivars(dev);
 296         struct uvscom_softc *sc = device_get_softc(dev);
 297         int error;
 298
 299         device_set_usb_desc(dev);
 300         mtx_init(&sc->sc_mtx, "uvscom", NULL, MTX_DEF);
 301         ucom_ref(&sc->sc_super_ucom);
 302
 303         sc->sc_udev = uaa->device;
 304
 305         DPRINTF("sc=%p\n", sc);
 306
 307         sc->sc_iface_no = uaa->info.bIfaceNum;
 308         sc->sc_iface_index = UVSCOM_IFACE_INDEX;
 309
 310         error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index,
 311             sc->sc_xfer, uvscom_config, UVSCOM_N_TRANSFER, sc, &sc->sc_mtx);
 312
 313         if (error) {
 314                 DPRINTF("could not allocate all USB transfers!\n");
 315                 goto detach;
 316         }
 317         sc->sc_line = UVSCOM_LINE_INIT;
 318
 319         /* clear stall at first run */
 320         mtx_lock(&sc->sc_mtx);
 321         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 322         usbd_xfer_set_stall(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 323         mtx_unlock(&sc->sc_mtx);
 324
 325         error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc,
 326             &uvscom_callback, &sc->sc_mtx);
 327         if (error) {
 328                 goto detach;
 329         }
 330         ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev);
 331
 332         /* start interrupt pipe */
 333         mtx_lock(&sc->sc_mtx);
 334         usbd_transfer_start(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 335         mtx_unlock(&sc->sc_mtx);
 336
 337         return (0);
 338
 339 detach:
 340         uvscom_detach(dev);
 341         return (ENXIO);
 342 }
 343
 344 static int
 345 uvscom_detach(device_t dev)
 346 {
 347         struct uvscom_softc *sc = device_get_softc(dev);
 348
 349         DPRINTF("sc=%p\n", sc);
 350
 351         /* stop interrupt pipe */
 352
 353         if (sc->sc_xfer[UVSCOM_INTR_DT_RD])
 354                 usbd_transfer_stop(sc->sc_xfer[UVSCOM_INTR_DT_RD]);
 355
 356         ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom);
 357         usbd_transfer_unsetup(sc->sc_xfer, UVSCOM_N_TRANSFER);
 358
 359         device_claim_softc(dev);
 360
 361         uvscom_free_softc(sc);
 362
 363         return (0);
 364 }
 365
 366 UCOM_UNLOAD_DRAIN(uvscom);
 367
 368 static void
 369 uvscom_free_softc(struct uvscom_softc *sc)
 370 {
 371         if (ucom_unref(&sc->sc_super_ucom)) {
 372                 mtx_destroy(&sc->sc_mtx);
 373                 device_free_softc(sc);
 374         }
 375 }
 376
 377 static void
 378 uvscom_free(struct ucom_softc *ucom)
 379 {
 380         uvscom_free_softc(ucom->sc_parent);
 381 }
 382
 383 static void
 384 uvscom_write_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         uint32_t actlen;
 389
 390         switch (USB_GET_STATE(xfer)) {
 391         case USB_ST_SETUP:
 392         case USB_ST_TRANSFERRED:
 393 tr_setup:
 394                 pc = usbd_xfer_get_frame(xfer, 0);
 395                 if (ucom_get_data(&sc->sc_ucom, pc, 0,
 396                     UVSCOM_BULK_BUF_SIZE, &actlen)) {
 397
 398                         usbd_xfer_set_frame_len(xfer, 0, actlen);
 399                         usbd_transfer_submit(xfer);
 400                 }
 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_read_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         int actlen;
 419
 420         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 421
 422         switch (USB_GET_STATE(xfer)) {
 423         case USB_ST_TRANSFERRED:
 424                 pc = usbd_xfer_get_frame(xfer, 0);
 425                 ucom_put_data(&sc->sc_ucom, pc, 0, actlen);
 426
 427         case USB_ST_SETUP:
 428 tr_setup:
 429                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 430                 usbd_transfer_submit(xfer);
 431                 return;
 432
 433         default:                        /* Error */
 434                 if (error != USB_ERR_CANCELLED) {
 435                         /* try to clear stall first */
 436                         usbd_xfer_set_stall(xfer);
 437                         goto tr_setup;
 438                 }
 439                 return;
 440         }
 441 }
 442
 443 static void
 444 uvscom_intr_callback(struct usb_xfer *xfer, usb_error_t error)
 445 {
 446         struct uvscom_softc *sc = usbd_xfer_softc(xfer);
 447         struct usb_page_cache *pc;
 448         uint8_t buf[2];
 449         int actlen;
 450
 451         usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL);
 452
 453         switch (USB_GET_STATE(xfer)) {
 454         case USB_ST_TRANSFERRED:
 455                 if (actlen >= 2) {
 456
 457                         pc = usbd_xfer_get_frame(xfer, 0);
 458                         usbd_copy_out(pc, 0, buf, sizeof(buf));
 459
 460                         sc->sc_lsr = 0;
 461                         sc->sc_msr = 0;
 462                         sc->sc_unit_status = buf[1];
 463
 464                         if (buf[0] & UVSCOM_TXRDY) {
 465                                 sc->sc_lsr |= ULSR_TXRDY;
 466                         }
 467                         if (buf[0] & UVSCOM_RXRDY) {
 468                                 sc->sc_lsr |= ULSR_RXRDY;
 469                         }
 470                         if (buf[1] & UVSCOM_CTS) {
 471                                 sc->sc_msr |= SER_CTS;
 472                         }
 473                         if (buf[1] & UVSCOM_DSR) {
 474                                 sc->sc_msr |= SER_DSR;
 475                         }
 476                         if (buf[1] & UVSCOM_DCD) {
 477                                 sc->sc_msr |= SER_DCD;
 478                         }
 479                         /*
 480                          * the UCOM layer will ignore this call if the TTY
 481                          * device is closed!
 482                          */
 483                         ucom_status_change(&sc->sc_ucom);
 484                 }
 485         case USB_ST_SETUP:
 486 tr_setup:
 487                 usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer));
 488                 usbd_transfer_submit(xfer);
 489                 return;
 490
 491         default:                        /* Error */
 492                 if (error != USB_ERR_CANCELLED) {
 493                         /* try to clear stall first */
 494                         usbd_xfer_set_stall(xfer);
 495                         goto tr_setup;
 496                 }
 497                 return;
 498         }
 499 }
 500
 501 static void
 502 uvscom_cfg_set_dtr(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_DTR;
 510         else
 511                 sc->sc_line &= ~UVSCOM_DTR;
 512
 513         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 514 }
 515
 516 static void
 517 uvscom_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff)
 518 {
 519         struct uvscom_softc *sc = ucom->sc_parent;
 520
 521         DPRINTF("onoff = %d\n", onoff);
 522
 523         if (onoff)
 524                 sc->sc_line |= UVSCOM_RTS;
 525         else
 526                 sc->sc_line &= ~UVSCOM_RTS;
 527
 528         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 529 }
 530
 531 static void
 532 uvscom_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff)
 533 {
 534         struct uvscom_softc *sc = ucom->sc_parent;
 535
 536         DPRINTF("onoff = %d\n", onoff);
 537
 538         if (onoff)
 539                 sc->sc_line |= UVSCOM_BREAK;
 540         else
 541                 sc->sc_line &= ~UVSCOM_BREAK;
 542
 543         uvscom_cfg_write(sc, UVSCOM_LINE_CTL, sc->sc_line);
 544 }
 545
 546 static int
 547 uvscom_pre_param(struct ucom_softc *ucom, struct termios *t)
 548 {
 549         switch (t->c_ospeed) {
 550                 case B150:
 551                 case B300:
 552                 case B600:
 553                 case B1200:
 554                 case B2400:
 555                 case B4800:
 556                 case B9600:
 557                 case B19200:
 558                 case B38400:
 559                 case B57600:
 560                 case B115200:
 561                 default:
 562                 return (EINVAL);
 563         }
 564         return (0);
 565 }
 566
 567 static void
 568 uvscom_cfg_param(struct ucom_softc *ucom, struct termios *t)
 569 {
 570         struct uvscom_softc *sc = ucom->sc_parent;
 571         uint16_t value;
 572
 573         DPRINTF("\n");
 574
 575         switch (t->c_ospeed) {
 576         case B150:
 577                 value = UVSCOM_SPEED_150BPS;
 578                 break;
 579         case B300:
 580                 value = UVSCOM_SPEED_300BPS;
 581                 break;
 582         case B600:
 583                 value = UVSCOM_SPEED_600BPS;
 584                 break;
 585         case B1200:
 586                 value = UVSCOM_SPEED_1200BPS;
 587                 break;
 588         case B2400:
 589                 value = UVSCOM_SPEED_2400BPS;
 590                 break;
 591         case B4800:
 592                 value = UVSCOM_SPEED_4800BPS;
 593                 break;
 594         case B9600:
 595                 value = UVSCOM_SPEED_9600BPS;
 596                 break;
 597         case B19200:
 598                 value = UVSCOM_SPEED_19200BPS;
 599                 break;
 600         case B38400:
 601                 value = UVSCOM_SPEED_38400BPS;
 602                 break;
 603         case B57600:
 604                 value = UVSCOM_SPEED_57600BPS;
 605                 break;
 606         case B115200:
 607                 value = UVSCOM_SPEED_115200BPS;
 608                 break;
 609         default:
 610                 return;
 611         }
 612
 613         uvscom_cfg_write(sc, UVSCOM_SET_SPEED, value);
 614
 615         value = 0;
 616
 617         if (t->c_cflag & CSTOPB) {
 618                 value |= UVSCOM_STOP_BIT_2;
 619         }
 620         if (t->c_cflag & PARENB) {
 621                 if (t->c_cflag & PARODD) {
 622                         value |= UVSCOM_PARITY_ODD;
 623                 } else {
 624                         value |= UVSCOM_PARITY_EVEN;
 625                 }
 626         } else {
 627                 value |= UVSCOM_PARITY_NONE;
 628         }
 629
 630         switch (t->c_cflag & CSIZE) {
 631         case CS5:
 632                 value |= UVSCOM_DATA_BIT_5;
 633                 break;
 634         case CS6:
 635                 value |= UVSCOM_DATA_BIT_6;
 636                 break;
 637         case CS7:
 638                 value |= UVSCOM_DATA_BIT_7;
 639                 break;
 640         default:
 641         case CS8:
 642                 value |= UVSCOM_DATA_BIT_8;
 643                 break;
 644         }
 645
 646         uvscom_cfg_write(sc, UVSCOM_SET_PARAM, value);
 647 }
 648
 649 static int
 650 uvscom_pre_open(struct ucom_softc *ucom)
 651 {
 652         struct uvscom_softc *sc = ucom->sc_parent;
 653
 654         DPRINTF("sc = %p\n", sc);
 655
 656         /* check if PC card was inserted */
 657
 658         if (sc->sc_unit_status & UVSCOM_NOCARD) {
 659                 DPRINTF("no PC card!\n");
 660                 return (ENXIO);
 661         }
 662         return (0);
 663 }
 664
 665 static void
 666 uvscom_cfg_open(struct ucom_softc *ucom)
 667 {
 668         struct uvscom_softc *sc = ucom->sc_parent;
 669
 670         DPRINTF("sc = %p\n", sc);
 671
 672         uvscom_cfg_read_status(sc);
 673 }
 674
 675 static void
 676 uvscom_cfg_close(struct ucom_softc *ucom)
 677 {
 678         struct uvscom_softc *sc = ucom->sc_parent;
 679
 680         DPRINTF("sc=%p\n", sc);
 681
 682         uvscom_cfg_write(sc, UVSCOM_SHUTDOWN, 0);
 683 }
 684
 685 static void
 686 uvscom_start_read(struct ucom_softc *ucom)
 687 {
 688         struct uvscom_softc *sc = ucom->sc_parent;
 689
 690         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 691 }
 692
 693 static void
 694 uvscom_stop_read(struct ucom_softc *ucom)
 695 {
 696         struct uvscom_softc *sc = ucom->sc_parent;
 697
 698         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_RD]);
 699 }
 700
 701 static void
 702 uvscom_start_write(struct ucom_softc *ucom)
 703 {
 704         struct uvscom_softc *sc = ucom->sc_parent;
 705
 706         usbd_transfer_start(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 707 }
 708
 709 static void
 710 uvscom_stop_write(struct ucom_softc *ucom)
 711 {
 712         struct uvscom_softc *sc = ucom->sc_parent;
 713
 714         usbd_transfer_stop(sc->sc_xfer[UVSCOM_BULK_DT_WR]);
 715 }
 716
 717 static void
 718 uvscom_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr)
 719 {
 720         struct uvscom_softc *sc = ucom->sc_parent;
 721
 722         *lsr = sc->sc_lsr;
 723         *msr = sc->sc_msr;
 724 }
 725
 726 static void
 727 uvscom_cfg_write(struct uvscom_softc *sc, uint8_t index, uint16_t value)
 728 {
 729         struct usb_device_request req;
 730         usb_error_t err;
 731
 732         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 733         req.bRequest = index;
 734         USETW(req.wValue, value);
 735         USETW(req.wIndex, 0);
 736         USETW(req.wLength, 0);
 737
 738         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 739             &req, NULL, 0, 1000);
 740         if (err) {
 741                 DPRINTFN(0, "device request failed, err=%s "
 742                     "(ignored)\n", usbd_errstr(err));
 743         }
 744 }
 745
 746 static uint16_t
 747 uvscom_cfg_read_status(struct uvscom_softc *sc)
 748 {
 749         struct usb_device_request req;
 750         usb_error_t err;
 751         uint8_t data[2];
 752
 753         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 754         req.bRequest = UVSCOM_READ_STATUS;
 755         USETW(req.wValue, 0);
 756         USETW(req.wIndex, 0);
 757         USETW(req.wLength, 2);
 758
 759         err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom,
 760             &req, data, 0, 1000);
 761         if (err) {
 762                 DPRINTFN(0, "device request failed, err=%s "
 763                     "(ignored)\n", usbd_errstr(err));
 764         }
 765         return (data[0] | (data[1] << 8));
 766 }
 767
 768 static void
 769 uvscom_poll(struct ucom_softc *ucom)
 770 {
 771         struct uvscom_softc *sc = ucom->sc_parent;
 772         usbd_transfer_poll(sc->sc_xfer, UVSCOM_N_TRANSFER);
 773 }