sys/dev/usb/uftdi.c

   1 /*      $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Lennart Augustsson (lennart@augustsson.net).
   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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *        This product includes software developed by the NetBSD
  21  *        Foundation, Inc. and its contributors.
  22  * 4. Neither the name of The NetBSD Foundation nor the names of its
  23  *    contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 #include <sys/cdefs.h>
  40 __FBSDID("$FreeBSD$");
  41
  42 /*
  43  * FTDI FT8U100AX serial adapter driver
  44  */
  45
  46 #include <sys/cdefs.h>
  47
  48 #include <sys/param.h>
  49 #include <sys/systm.h>
  50 #include <sys/kernel.h>
  51 #include <sys/malloc.h>
  52 #include <sys/module.h>
  53 #include <sys/bus.h>
  54 #include <sys/ioccom.h>
  55 #include <sys/fcntl.h>
  56 #include <sys/conf.h>
  57 #include <sys/tty.h>
  58 #include <sys/file.h>
  59
  60 #if __FreeBSD_version >= 500014
  61 #include <sys/selinfo.h>
  62 #else
  63 #include <sys/select.h>
  64 #endif
  65
  66 #include <sys/sysctl.h>
  67
  68 #include <dev/usb/usb.h>
  69 #include <dev/usb/usbhid.h>
  70
  71 #include <dev/usb/usbdi.h>
  72 #include <dev/usb/usbdi_util.h>
  73 #include "usbdevs.h"
  74
  75 #include <dev/usb/ucomvar.h>
  76
  77 #include <dev/usb/uftdireg.h>
  78
  79 #ifdef USB_DEBUG
  80 static int uftdidebug = 0;
  81 SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
  82 SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
  83            &uftdidebug, 0, "uftdi debug level");
  84 #define DPRINTF(x)      do { \
  85                                 if (uftdidebug) \
  86                                         logprintf x; \
  87                         } while (0)
  88
  89 #define DPRINTFN(n, x)  do { \
  90                                 if (uftdidebug > (n)) \
  91                                         logprintf x; \
  92                         } while (0)
  93
  94 #else
  95 #define DPRINTF(x)
  96 #define DPRINTFN(n,x)
  97 #endif
  98
  99 #define UFTDI_CONFIG_INDEX      0
 100 #define UFTDI_IFACE_INDEX       0
 101
 102
 103 /*
 104  * These are the maximum number of bytes transferred per frame.
 105  * The output buffer size cannot be increased due to the size encoding.
 106  */
 107 #define UFTDIIBUFSIZE 64
 108 #define UFTDIOBUFSIZE 64
 109
 110 struct uftdi_softc {
 111         struct ucom_softc       sc_ucom;
 112
 113         usbd_interface_handle   sc_iface;       /* interface */
 114
 115         enum uftdi_type         sc_type;
 116         u_int                   sc_hdrlen;
 117
 118         u_char                  sc_msr;
 119         u_char                  sc_lsr;
 120
 121         u_int                   last_lcr;
 122 };
 123
 124 static void     uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
 125 static void     uftdi_set(void *, int, int, int);
 126 static int      uftdi_param(void *, int, struct termios *);
 127 static int      uftdi_open(void *sc, int portno);
 128 static void     uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
 129 static void     uftdi_write(void *sc, int portno, u_char *to, u_char *from,
 130                             u_int32_t *count);
 131 static void     uftdi_break(void *sc, int portno, int onoff);
 132
 133 struct ucom_callback uftdi_callback = {
 134         uftdi_get_status,
 135         uftdi_set,
 136         uftdi_param,
 137         NULL,
 138         uftdi_open,
 139         NULL,
 140         uftdi_read,
 141         uftdi_write,
 142 };
 143
 144 USB_MATCH(uftdi)
 145 {
 146         USB_MATCH_START(uftdi, uaa);
 147
 148         if (uaa->iface != NULL) {
 149                 if (uaa->vendor == USB_VENDOR_FTDI &&
 150                     (uaa->product == USB_PRODUCT_FTDI_SERIAL_2232C))
 151                         return (UMATCH_VENDOR_IFACESUBCLASS);
 152                 return (UMATCH_NONE);
 153         }
 154
 155         DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
 156                      uaa->vendor, uaa->product));
 157
 158         if (uaa->vendor == USB_VENDOR_FTDI &&
 159             (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
 160              uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM ||
 161              uaa->product == USB_PRODUCT_FTDI_SEMC_DSS20 ||
 162              uaa->product == USB_PRODUCT_FTDI_CFA_631 ||
 163              uaa->product == USB_PRODUCT_FTDI_CFA_632 ||
 164              uaa->product == USB_PRODUCT_FTDI_CFA_633 ||
 165              uaa->product == USB_PRODUCT_FTDI_CFA_634 ||
 166              uaa->product == USB_PRODUCT_FTDI_USBSERIAL ||
 167              uaa->product == USB_PRODUCT_FTDI_MX2_3 ||
 168              uaa->product == USB_PRODUCT_FTDI_MX4_5 ||
 169              uaa->product == USB_PRODUCT_FTDI_LK202 ||
 170              uaa->product == USB_PRODUCT_FTDI_LK204))
 171                 return (UMATCH_VENDOR_PRODUCT);
 172         if (uaa->vendor == USB_VENDOR_SIIG2 &&
 173             (uaa->product == USB_PRODUCT_SIIG2_US2308))
 174                 return (UMATCH_VENDOR_PRODUCT);
 175         if (uaa->vendor == USB_VENDOR_INTREPIDCS &&
 176             (uaa->product == USB_PRODUCT_INTREPIDCS_VALUECAN ||
 177             uaa->product == USB_PRODUCT_INTREPIDCS_NEOVI))
 178                 return (UMATCH_VENDOR_PRODUCT);
 179         if (uaa->vendor == USB_VENDOR_BBELECTRONICS &&
 180             (uaa->product == USB_PRODUCT_BBELECTRONICS_USOTL4))
 181                 return (UMATCH_VENDOR_PRODUCT);
 182
 183         return (UMATCH_NONE);
 184 }
 185
 186 USB_ATTACH(uftdi)
 187 {
 188         USB_ATTACH_START(uftdi, sc, uaa);
 189         usbd_device_handle dev = uaa->device;
 190         usbd_interface_handle iface;
 191         usb_interface_descriptor_t *id;
 192         usb_endpoint_descriptor_t *ed;
 193         char *devinfo;
 194         const char *devname;
 195         int i;
 196         usbd_status err;
 197         struct ucom_softc *ucom = &sc->sc_ucom;
 198         DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
 199         devinfo = malloc(1024, M_USBDEV, M_WAITOK);
 200
 201         ucom->sc_dev = self;
 202         ucom->sc_udev = dev;
 203
 204         devname = device_get_nameunit(ucom->sc_dev);
 205
 206         if (uaa->iface == NULL) {
 207                 /* Move the device into the configured state. */
 208                 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
 209                 if (err) {
 210                         printf("\n%s: failed to set configuration, err=%s\n",
 211                                devname, usbd_errstr(err));
 212                         goto bad;
 213                 }
 214
 215                 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
 216                 if (err) {
 217                         printf("\n%s: failed to get interface, err=%s\n",
 218                                devname, usbd_errstr(err));
 219                         goto bad;
 220                 }
 221         } else {
 222                 iface = uaa->iface;
 223         }
 224
 225         usbd_devinfo(dev, 0, devinfo);
 226         /*      USB_ATTACH_SETUP;*/
 227         printf("%s: %s\n", devname, devinfo);
 228
 229         id = usbd_get_interface_descriptor(iface);
 230         ucom->sc_iface = iface;
 231         switch( uaa->vendor ){
 232         case USB_VENDOR_FTDI:
 233                 switch( uaa->product ){
 234                 case USB_PRODUCT_FTDI_SERIAL_8U100AX:
 235                         sc->sc_type = UFTDI_TYPE_SIO;
 236                         sc->sc_hdrlen = 1;
 237                         break;
 238                 case USB_PRODUCT_FTDI_SEMC_DSS20:
 239                 case USB_PRODUCT_FTDI_SERIAL_8U232AM:
 240                 case USB_PRODUCT_FTDI_SERIAL_2232C:
 241                 case USB_PRODUCT_FTDI_CFA_631:
 242                 case USB_PRODUCT_FTDI_CFA_632:
 243                 case USB_PRODUCT_FTDI_CFA_633:
 244                 case USB_PRODUCT_FTDI_CFA_634:
 245                 case USB_PRODUCT_FTDI_USBSERIAL:
 246                 case USB_PRODUCT_FTDI_MX2_3:
 247                 case USB_PRODUCT_FTDI_MX4_5:
 248                 case USB_PRODUCT_FTDI_LK202:
 249                 case USB_PRODUCT_FTDI_LK204:
 250                         sc->sc_type = UFTDI_TYPE_8U232AM;
 251                         sc->sc_hdrlen = 0;
 252                         break;
 253
 254                 default:                /* Can't happen */
 255                         goto bad;
 256                 }
 257                 break;
 258
 259         case USB_VENDOR_INTREPIDCS:
 260                 switch( uaa->product ){
 261                 case USB_PRODUCT_INTREPIDCS_VALUECAN:
 262                 case USB_PRODUCT_INTREPIDCS_NEOVI:
 263                         sc->sc_type = UFTDI_TYPE_8U232AM;
 264                         sc->sc_hdrlen = 0;
 265                         break;
 266
 267                 default:                /* Can't happen */
 268                         goto bad;
 269                 }
 270                 break;
 271
 272         case USB_VENDOR_SIIG2:
 273                 switch( uaa->product ){
 274                 case USB_PRODUCT_SIIG2_US2308:
 275                         sc->sc_type = UFTDI_TYPE_8U232AM;
 276                         sc->sc_hdrlen = 0;
 277                         break;
 278
 279                 default:                /* Can't happen */
 280                         goto bad;
 281                 }
 282                 break;
 283
 284         case USB_VENDOR_BBELECTRONICS:
 285                 switch( uaa->product ){
 286                 case USB_PRODUCT_BBELECTRONICS_USOTL4:
 287                         sc->sc_type = UFTDI_TYPE_8U232AM;
 288                         sc->sc_hdrlen = 0;
 289                         break;
 290
 291                 default:                /* Can't happen */
 292                         goto bad;
 293                 }
 294                 break;
 295
 296         default:                /* Can't happen */
 297                 goto bad;
 298         }
 299
 300         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 301
 302         for (i = 0; i < id->bNumEndpoints; i++) {
 303                 int addr, dir, attr;
 304                 ed = usbd_interface2endpoint_descriptor(iface, i);
 305                 if (ed == NULL) {
 306                         printf("%s: could not read endpoint descriptor\n",
 307                             devname);
 308                         goto bad;
 309                 }
 310
 311                 addr = ed->bEndpointAddress;
 312                 dir = UE_GET_DIR(ed->bEndpointAddress);
 313                 attr = ed->bmAttributes & UE_XFERTYPE;
 314                 if (dir == UE_DIR_IN && attr == UE_BULK)
 315                   ucom->sc_bulkin_no = addr;
 316                 else if (dir == UE_DIR_OUT && attr == UE_BULK)
 317                   ucom->sc_bulkout_no = addr;
 318                 else {
 319                   printf("%s: unexpected endpoint\n", devname);
 320                   goto bad;
 321                 }
 322         }
 323         if (ucom->sc_bulkin_no == -1) {
 324                 printf("%s: Could not find data bulk in\n",
 325                        devname);
 326                 goto bad;
 327         }
 328         if (ucom->sc_bulkout_no == -1) {
 329                 printf("%s: Could not find data bulk out\n",
 330                        devname);
 331                 goto bad;
 332         }
 333         ucom->sc_parent  = sc;
 334         if (uaa->iface == NULL)
 335                 ucom->sc_portno = FTDI_PIT_SIOA;
 336         else
 337                 ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
 338         /* bulkin, bulkout set above */
 339
 340         ucom->sc_ibufsize = UFTDIIBUFSIZE;
 341         ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
 342         ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
 343         ucom->sc_opkthdrlen = sc->sc_hdrlen;
 344
 345
 346         ucom->sc_callback = &uftdi_callback;
 347 #if 0
 348         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
 349                            USBDEV(ucom->sc_dev));
 350 #endif
 351         DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
 352         ucom_attach(&sc->sc_ucom);
 353         free(devinfo, M_USBDEV);
 354
 355         USB_ATTACH_SUCCESS_RETURN;
 356
 357 bad:
 358         DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
 359         ucom->sc_dying = 1;
 360         free(devinfo, M_USBDEV);
 361
 362         USB_ATTACH_ERROR_RETURN;
 363 }
 364 #if 0
 365 int
 366 uftdi_activate(device_t self, enum devact act)
 367 {
 368         struct uftdi_softc *sc = (struct uftdi_softc *)self;
 369         int rv = 0;
 370
 371         switch (act) {
 372         case DVACT_ACTIVATE:
 373                 return (EOPNOTSUPP);
 374
 375         case DVACT_DEACTIVATE:
 376                 if (sc->sc_subdev != NULL)
 377                         rv = config_deactivate(sc->sc_subdev);
 378                 sc->sc_ucom.sc_dying = 1;
 379                 break;
 380         }
 381         return (rv);
 382 }
 383 #endif
 384 #if 1
 385 USB_DETACH(uftdi)
 386 {
 387         USB_DETACH_START(uftdi, sc);
 388
 389         int rv = 0;
 390
 391         DPRINTF(("uftdi_detach: sc=%p\n", sc));
 392         sc->sc_ucom.sc_dying = 1;
 393         rv = ucom_detach(&sc->sc_ucom);
 394
 395         return rv;
 396 }
 397 #endif
 398 static int
 399 uftdi_open(void *vsc, int portno)
 400 {
 401         struct uftdi_softc *sc = vsc;
 402         struct ucom_softc *ucom = &sc->sc_ucom;
 403         usb_device_request_t req;
 404         usbd_status err;
 405         struct termios t;
 406
 407         DPRINTF(("uftdi_open: sc=%p\n", sc));
 408
 409         if (ucom->sc_dying)
 410                 return (EIO);
 411
 412         /* Perform a full reset on the device */
 413         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 414         req.bRequest = FTDI_SIO_RESET;
 415         USETW(req.wValue, FTDI_SIO_RESET_SIO);
 416         USETW(req.wIndex, portno);
 417         USETW(req.wLength, 0);
 418         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 419         if (err)
 420                 return (EIO);
 421
 422         /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
 423         t.c_ospeed = 9600;
 424         t.c_cflag = CSTOPB | CS8;
 425         (void)uftdi_param(sc, portno, &t);
 426
 427         /* Turn on RTS/CTS flow control */
 428         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 429         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 430         USETW(req.wValue, 0);
 431         USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
 432         USETW(req.wLength, 0);
 433         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 434         if (err)
 435                 return (EIO);
 436
 437         return (0);
 438 }
 439
 440 static void
 441 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
 442 {
 443         struct uftdi_softc *sc = vsc;
 444         u_char msr, lsr;
 445
 446         DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
 447                      *count));
 448
 449         msr = FTDI_GET_MSR(*ptr);
 450         lsr = FTDI_GET_LSR(*ptr);
 451
 452 #ifdef USB_DEBUG
 453         if (*count != 2)
 454                 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
 455                             "0x%02x\n", sc, portno, *count, (*ptr)[2]));
 456 #endif
 457
 458         if (sc->sc_msr != msr ||
 459             (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
 460                 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
 461                          "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
 462                          lsr, sc->sc_lsr));
 463                 sc->sc_msr = msr;
 464                 sc->sc_lsr = lsr;
 465                 ucom_status_change(&sc->sc_ucom);
 466         }
 467
 468         /* Pick up status and adjust data part. */
 469         *ptr += 2;
 470         *count -= 2;
 471 }
 472
 473 static void
 474 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
 475 {
 476         struct uftdi_softc *sc = vsc;
 477
 478         DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
 479                      vsc, portno, *count, from[0]));
 480
 481         /* Make length tag and copy data */
 482         if (sc->sc_hdrlen > 0)
 483                 *to = FTDI_OUT_TAG(*count, portno);
 484
 485         memcpy(to + sc->sc_hdrlen, from, *count);
 486         *count += sc->sc_hdrlen;
 487 }
 488
 489 static void
 490 uftdi_set(void *vsc, int portno, int reg, int onoff)
 491 {
 492         struct uftdi_softc *sc = vsc;
 493         struct ucom_softc *ucom = vsc;
 494         usb_device_request_t req;
 495         int ctl;
 496
 497         DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
 498                  reg, onoff));
 499
 500         switch (reg) {
 501         case UCOM_SET_DTR:
 502                 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
 503                 break;
 504         case UCOM_SET_RTS:
 505                 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
 506                 break;
 507         case UCOM_SET_BREAK:
 508                 uftdi_break(sc, portno, onoff);
 509                 return;
 510         default:
 511                 return;
 512         }
 513         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 514         req.bRequest = FTDI_SIO_MODEM_CTRL;
 515         USETW(req.wValue, ctl);
 516         USETW(req.wIndex, portno);
 517         USETW(req.wLength, 0);
 518         DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
 519                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 520                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 521         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 522 }
 523
 524 static int
 525 uftdi_param(void *vsc, int portno, struct termios *t)
 526 {
 527         struct uftdi_softc *sc = vsc;
 528         struct ucom_softc *ucom = &sc->sc_ucom;
 529         usb_device_request_t req;
 530         usbd_status err;
 531         int rate=0, data, flow;
 532
 533         DPRINTF(("uftdi_param: sc=%p\n", sc));
 534
 535         if (ucom->sc_dying)
 536                 return (EIO);
 537
 538         switch (sc->sc_type) {
 539         case UFTDI_TYPE_SIO:
 540                 switch (t->c_ospeed) {
 541                 case 300: rate = ftdi_sio_b300; break;
 542                 case 600: rate = ftdi_sio_b600; break;
 543                 case 1200: rate = ftdi_sio_b1200; break;
 544                 case 2400: rate = ftdi_sio_b2400; break;
 545                 case 4800: rate = ftdi_sio_b4800; break;
 546                 case 9600: rate = ftdi_sio_b9600; break;
 547                 case 19200: rate = ftdi_sio_b19200; break;
 548                 case 38400: rate = ftdi_sio_b38400; break;
 549                 case 57600: rate = ftdi_sio_b57600; break;
 550                 case 115200: rate = ftdi_sio_b115200; break;
 551                 default:
 552                         return (EINVAL);
 553                 }
 554                 break;
 555
 556         case UFTDI_TYPE_8U232AM:
 557                 switch(t->c_ospeed) {
 558                 case 300: rate = ftdi_8u232am_b300; break;
 559                 case 600: rate = ftdi_8u232am_b600; break;
 560                 case 1200: rate = ftdi_8u232am_b1200; break;
 561                 case 2400: rate = ftdi_8u232am_b2400; break;
 562                 case 4800: rate = ftdi_8u232am_b4800; break;
 563                 case 9600: rate = ftdi_8u232am_b9600; break;
 564                 case 19200: rate = ftdi_8u232am_b19200; break;
 565                 case 38400: rate = ftdi_8u232am_b38400; break;
 566                 case 57600: rate = ftdi_8u232am_b57600; break;
 567                 case 115200: rate = ftdi_8u232am_b115200; break;
 568                 case 230400: rate = ftdi_8u232am_b230400; break;
 569                 case 460800: rate = ftdi_8u232am_b460800; break;
 570                 case 921600: rate = ftdi_8u232am_b921600; break;
 571                 case 2000000: rate = ftdi_8u232am_b2000000; break;
 572                 case 3000000: rate = ftdi_8u232am_b3000000; break;
 573                 default:
 574                         return (EINVAL);
 575                 }
 576                 break;
 577         }
 578         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 579         req.bRequest = FTDI_SIO_SET_BAUD_RATE;
 580         USETW(req.wValue, rate);
 581         USETW(req.wIndex, portno);
 582         USETW(req.wLength, 0);
 583         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 584                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 585                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 586         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 587         if (err)
 588                 return (EIO);
 589
 590         if (ISSET(t->c_cflag, CSTOPB))
 591                 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
 592         else
 593                 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
 594         if (ISSET(t->c_cflag, PARENB)) {
 595                 if (ISSET(t->c_cflag, PARODD))
 596                         data |= FTDI_SIO_SET_DATA_PARITY_ODD;
 597                 else
 598                         data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
 599         } else
 600                 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
 601         switch (ISSET(t->c_cflag, CSIZE)) {
 602         case CS5:
 603                 data |= FTDI_SIO_SET_DATA_BITS(5);
 604                 break;
 605         case CS6:
 606                 data |= FTDI_SIO_SET_DATA_BITS(6);
 607                 break;
 608         case CS7:
 609                 data |= FTDI_SIO_SET_DATA_BITS(7);
 610                 break;
 611         case CS8:
 612                 data |= FTDI_SIO_SET_DATA_BITS(8);
 613                 break;
 614         }
 615         sc->last_lcr = data;
 616
 617         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 618         req.bRequest = FTDI_SIO_SET_DATA;
 619         USETW(req.wValue, data);
 620         USETW(req.wIndex, portno);
 621         USETW(req.wLength, 0);
 622         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 623                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 624                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 625         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 626         if (err)
 627                 return (EIO);
 628
 629         if (ISSET(t->c_cflag, CRTSCTS)) {
 630                 flow = FTDI_SIO_RTS_CTS_HS;
 631                 USETW(req.wValue, 0);
 632         } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
 633                 flow = FTDI_SIO_XON_XOFF_HS;
 634                 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
 635         } else {
 636                 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
 637                 USETW(req.wValue, 0);
 638         }
 639         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 640         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 641         USETW2(req.wIndex, flow, portno);
 642         USETW(req.wLength, 0);
 643         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 644         if (err)
 645                 return (EIO);
 646
 647         return (0);
 648 }
 649
 650 void
 651 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
 652 {
 653         struct uftdi_softc *sc = vsc;
 654
 655         DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
 656                  sc->sc_msr, sc->sc_lsr));
 657
 658         if (msr != NULL)
 659                 *msr = sc->sc_msr;
 660         if (lsr != NULL)
 661                 *lsr = sc->sc_lsr;
 662 }
 663
 664 void
 665 uftdi_break(void *vsc, int portno, int onoff)
 666 {
 667         struct uftdi_softc *sc = vsc;
 668         struct ucom_softc *ucom = vsc;
 669
 670         usb_device_request_t req;
 671         int data;
 672
 673         DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
 674                   onoff));
 675
 676         if (onoff) {
 677                 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
 678         } else {
 679                 data = sc->last_lcr;
 680         }
 681
 682         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 683         req.bRequest = FTDI_SIO_SET_DATA;
 684         USETW(req.wValue, data);
 685         USETW(req.wIndex, portno);
 686         USETW(req.wLength, 0);
 687         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 688 }
 689
 690 static device_method_t uftdi_methods[] = {
 691         /* Device interface */
 692         DEVMETHOD(device_probe, uftdi_match),
 693         DEVMETHOD(device_attach, uftdi_attach),
 694         DEVMETHOD(device_detach, uftdi_detach),
 695
 696         { 0, 0 }
 697 };
 698
 699 static driver_t uftdi_driver = {
 700         "ucom",
 701         uftdi_methods,
 702         sizeof (struct uftdi_softc)
 703 };
 704
 705 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
 706 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
 707 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);