sys/dev/usbmisc/uftdi/uftdi.c

   1 /*
   2  * $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $
   3  * $FreeBSD: src/sys/dev/usb/uftdi.c,v 1.37 2007/06/22 05:53:05 imp Exp $
   4  * $DragonFly: src/sys/dev/usbmisc/uftdi/uftdi.c,v 1.15 2007/08/19 19:45:39 hasso Exp $
   5  */
   6
   7 /*-
   8  * Copyright (c) 2000 The NetBSD Foundation, Inc.
   9  * All rights reserved.
  10  *
  11  * This code is derived from software contributed to The NetBSD Foundation
  12  * by Lennart Augustsson (lennart@augustsson.net).
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions
  16  * are met:
  17  * 1. Redistributions of source code must retain the above copyright
  18  *    notice, this list of conditions and the following disclaimer.
  19  * 2. Redistributions in binary form must reproduce the above copyright
  20  *    notice, this list of conditions and the following disclaimer in the
  21  *    documentation and/or other materials provided with the distribution.
  22  * 3. All advertising materials mentioning features or use of this software
  23  *    must display the following acknowledgement:
  24  *        This product includes software developed by the NetBSD
  25  *        Foundation, Inc. and its contributors.
  26  * 4. Neither the name of The NetBSD Foundation nor the names of its
  27  *    contributors may be used to endorse or promote products derived
  28  *    from this software without specific prior written permission.
  29  *
  30  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  31  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  32  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  33  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  34  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  35  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  36  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  37  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  38  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  39  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  40  * POSSIBILITY OF SUCH DAMAGE.
  41  */
  42
  43 /*
  44  * FTDI FT8U100AX serial adapter driver
  45  */
  46
  47 #include <sys/cdefs.h>
  48
  49 #include <sys/param.h>
  50 #include <sys/systm.h>
  51 #include <sys/kernel.h>
  52 #include <sys/malloc.h>
  53 #include <sys/module.h>
  54 #include <sys/bus.h>
  55 #include <sys/ioccom.h>
  56 #include <sys/fcntl.h>
  57 #include <sys/conf.h>
  58 #include <sys/tty.h>
  59 #include <sys/file.h>
  60
  61 #include <sys/select.h>
  62
  63 #include <sys/sysctl.h>
  64
  65 #include <bus/usb/usb.h>
  66 #include <bus/usb/usbhid.h>
  67
  68 #include <bus/usb/usbdi.h>
  69 #include <bus/usb/usbdi_util.h>
  70 #include <bus/usb/usbdevs.h>
  71
  72 #include "../ucom/ucomvar.h"
  73
  74 #include "uftdireg.h"
  75
  76 #ifdef USB_DEBUG
  77 static int uftdidebug = 0;
  78 SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
  79 SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
  80            &uftdidebug, 0, "uftdi debug level");
  81 #define DPRINTF(x)      do { \
  82                                 if (uftdidebug) \
  83                                         kprintf x; \
  84                         } while (0)
  85
  86 #define DPRINTFN(n, x)  do { \
  87                                 if (uftdidebug > (n)) \
  88                                         kprintf x; \
  89                         } while (0)
  90
  91 #else
  92 #define DPRINTF(x)
  93 #define DPRINTFN(n,x)
  94 #endif
  95
  96 #define UFTDI_CONFIG_INDEX      0
  97 #define UFTDI_IFACE_INDEX       0
  98
  99
 100 /*
 101  * These are the maximum number of bytes transferred per frame.
 102  * The output buffer size cannot be increased due to the size encoding.
 103  */
 104 #define UFTDIIBUFSIZE 64
 105 #define UFTDIOBUFSIZE 64
 106
 107 struct uftdi_softc {
 108         struct ucom_softc       sc_ucom;
 109         usbd_interface_handle   sc_iface;       /* interface */
 110         enum uftdi_type         sc_type;
 111         u_int                   sc_hdrlen;
 112         u_char                  sc_msr;
 113         u_char                  sc_lsr;
 114         u_int                   last_lcr;
 115 };
 116
 117 static void     uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
 118 static void     uftdi_set(void *, int, int, int);
 119 static int      uftdi_param(void *, int, struct termios *);
 120 static int      uftdi_open(void *sc, int portno);
 121 static void     uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
 122 static void     uftdi_write(void *sc, int portno, u_char *to, u_char *from,
 123                             u_int32_t *count);
 124 static void     uftdi_break(void *sc, int portno, int onoff);
 125
 126 struct ucom_callback uftdi_callback = {
 127         uftdi_get_status,
 128         uftdi_set,
 129         uftdi_param,
 130         NULL,
 131         uftdi_open,
 132         NULL,
 133         uftdi_read,
 134         uftdi_write,
 135 };
 136
 137 static int
 138 uftdi_match(device_t self)
 139 {
 140         struct usb_attach_arg *uaa = device_get_ivars(self);
 141
 142         if (uaa->iface != NULL) {
 143                 if (uaa->vendor == USB_VENDOR_FTDI &&
 144                     (uaa->product == USB_PRODUCT_FTDI_SERIAL_2232C))
 145                         return (UMATCH_VENDOR_IFACESUBCLASS);
 146                 return (UMATCH_NONE);
 147         }
 148
 149         DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
 150                      uaa->vendor, uaa->product));
 151
 152         if (uaa->vendor == USB_VENDOR_FTDI &&
 153             (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
 154              uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM ||
 155              uaa->product == USB_PRODUCT_FTDI_SEMC_DSS20 ||
 156              uaa->product == USB_PRODUCT_FTDI_CFA_631 ||
 157              uaa->product == USB_PRODUCT_FTDI_CFA_632 ||
 158              uaa->product == USB_PRODUCT_FTDI_CFA_633 ||
 159              uaa->product == USB_PRODUCT_FTDI_CFA_634 ||
 160              uaa->product == USB_PRODUCT_FTDI_CFA_635 ||
 161              uaa->product == USB_PRODUCT_FTDI_USBSERIAL ||
 162              uaa->product == USB_PRODUCT_FTDI_MX2_3 ||
 163              uaa->product == USB_PRODUCT_FTDI_MX4_5 ||
 164              uaa->product == USB_PRODUCT_FTDI_LK202 ||
 165              uaa->product == USB_PRODUCT_FTDI_LK204 ||
 166              uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M ||
 167              uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S ||
 168              uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U ||
 169              uaa->product == USB_PRODUCT_FTDI_EISCOU ||
 170              uaa->product == USB_PRODUCT_FTDI_UOPTBR ||
 171              uaa->product == USB_PRODUCT_FTDI_EMCU2D ||
 172              uaa->product == USB_PRODUCT_FTDI_PCMSFU ||
 173              uaa->product == USB_PRODUCT_FTDI_EMCU2H ))
 174                 return (UMATCH_VENDOR_PRODUCT);
 175         if (uaa->vendor == USB_VENDOR_SIIG2 &&
 176             (uaa->product == USB_PRODUCT_SIIG2_US2308))
 177                 return (UMATCH_VENDOR_PRODUCT);
 178         if (uaa->vendor == USB_VENDOR_INTREPIDCS &&
 179             (uaa->product == USB_PRODUCT_INTREPIDCS_VALUECAN ||
 180             uaa->product == USB_PRODUCT_INTREPIDCS_NEOVI))
 181                 return (UMATCH_VENDOR_PRODUCT);
 182         if (uaa->vendor == USB_VENDOR_BBELECTRONICS &&
 183             (uaa->product == USB_PRODUCT_BBELECTRONICS_USOTL4))
 184                 return (UMATCH_VENDOR_PRODUCT);
 185         if (uaa->vendor == USB_VENDOR_MELCO &&
 186             (uaa->product == USB_PRODUCT_MELCO_PCOPRS1))
 187                 return (UMATCH_VENDOR_PRODUCT);
 188
 189         return (UMATCH_NONE);
 190 }
 191
 192 static int
 193 uftdi_attach(device_t self)
 194 {
 195         struct uftdi_softc *sc = device_get_softc(self);
 196         struct usb_attach_arg *uaa = device_get_ivars(self);
 197         usbd_device_handle dev = uaa->device;
 198         usbd_interface_handle iface;
 199         usb_interface_descriptor_t *id;
 200         usb_endpoint_descriptor_t *ed;
 201         char *devinfo;
 202         int i;
 203         usbd_status err;
 204         struct ucom_softc *ucom = &sc->sc_ucom;
 205         DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
 206         devinfo = kmalloc(1024, M_USBDEV, M_INTWAIT);
 207
 208         ucom->sc_dev = self;
 209         ucom->sc_udev = dev;
 210
 211         usbd_devinfo(dev, 0, devinfo);
 212         device_printf(ucom->sc_dev, "%s\n", devinfo);
 213         kfree(devinfo, M_USBDEV);
 214
 215         if (uaa->iface == NULL) {
 216                 /* Move the device into the configured state. */
 217                 err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
 218                 if (err) {
 219                         device_printf(ucom->sc_dev,
 220                             "failed to set configuration, err=%s\n",
 221                             usbd_errstr(err));
 222                         goto bad;
 223                 }
 224
 225                 err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
 226                 if (err) {
 227                         device_printf(ucom->sc_dev,
 228                             "failed to get interface, err=%s\n", usbd_errstr(err));
 229                         goto bad;
 230                 }
 231         } else {
 232                 iface = uaa->iface;
 233         }
 234
 235         id = usbd_get_interface_descriptor(iface);
 236         ucom->sc_iface = iface;
 237         switch( uaa->vendor ){
 238         case USB_VENDOR_FTDI:
 239                 switch( uaa->product ){
 240                 case USB_PRODUCT_FTDI_SERIAL_8U100AX:
 241                         sc->sc_type = UFTDI_TYPE_SIO;
 242                         sc->sc_hdrlen = 1;
 243                         break;
 244                 case USB_PRODUCT_FTDI_SEMC_DSS20:
 245                 case USB_PRODUCT_FTDI_SERIAL_8U232AM:
 246                 case USB_PRODUCT_FTDI_SERIAL_2232C:
 247                 case USB_PRODUCT_FTDI_CFA_631:
 248                 case USB_PRODUCT_FTDI_CFA_632:
 249                 case USB_PRODUCT_FTDI_CFA_633:
 250                 case USB_PRODUCT_FTDI_CFA_634:
 251                 case USB_PRODUCT_FTDI_CFA_635:
 252                 case USB_PRODUCT_FTDI_USBSERIAL:
 253                 case USB_PRODUCT_FTDI_MX2_3:
 254                 case USB_PRODUCT_FTDI_MX4_5:
 255                 case USB_PRODUCT_FTDI_LK202:
 256                 case USB_PRODUCT_FTDI_LK204:
 257                 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M:
 258                 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S:
 259                 case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U:
 260                 case USB_PRODUCT_FTDI_EISCOU:
 261                 case USB_PRODUCT_FTDI_UOPTBR:
 262                 case USB_PRODUCT_FTDI_EMCU2D:
 263                 case USB_PRODUCT_FTDI_PCMSFU:
 264                 case USB_PRODUCT_FTDI_EMCU2H:
 265                         sc->sc_type = UFTDI_TYPE_8U232AM;
 266                         sc->sc_hdrlen = 0;
 267                         break;
 268
 269                 default:                /* Can't happen */
 270                         goto bad;
 271                 }
 272                 break;
 273
 274         case USB_VENDOR_INTREPIDCS:
 275                 switch( uaa->product ){
 276                 case USB_PRODUCT_INTREPIDCS_VALUECAN:
 277                 case USB_PRODUCT_INTREPIDCS_NEOVI:
 278                         sc->sc_type = UFTDI_TYPE_8U232AM;
 279                         sc->sc_hdrlen = 0;
 280                         break;
 281
 282                 default:                /* Can't happen */
 283                         goto bad;
 284                 }
 285                 break;
 286
 287         case USB_VENDOR_SIIG2:
 288                 switch( uaa->product ){
 289                 case USB_PRODUCT_SIIG2_US2308:
 290                         sc->sc_type = UFTDI_TYPE_8U232AM;
 291                         sc->sc_hdrlen = 0;
 292                         break;
 293
 294                 default:                /* Can't happen */
 295                         goto bad;
 296                 }
 297                 break;
 298
 299         case USB_VENDOR_BBELECTRONICS:
 300                 switch( uaa->product ){
 301                 case USB_PRODUCT_BBELECTRONICS_USOTL4:
 302                         sc->sc_type = UFTDI_TYPE_8U232AM;
 303                         sc->sc_hdrlen = 0;
 304                         break;
 305
 306                 default:                /* Can't happen */
 307                         goto bad;
 308                 }
 309                 break;
 310
 311         case USB_VENDOR_MELCO:
 312                 switch( uaa->product ){
 313                 case USB_PRODUCT_MELCO_PCOPRS1:
 314                         sc->sc_type = UFTDI_TYPE_8U232AM;
 315                         sc->sc_hdrlen = 0;
 316                         break;
 317
 318                 default:                /* Can't happen */
 319                         goto bad;
 320                 }
 321                 break;
 322
 323         default:                /* Can't happen */
 324                 goto bad;
 325         }
 326
 327         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 328
 329         for (i = 0; i < id->bNumEndpoints; i++) {
 330                 int addr, dir, attr;
 331                 ed = usbd_interface2endpoint_descriptor(iface, i);
 332                 if (ed == NULL) {
 333                         device_printf(ucom->sc_dev,
 334                             "could not read endpoint descriptor\n");
 335                         goto bad;
 336                 }
 337
 338                 addr = ed->bEndpointAddress;
 339                 dir = UE_GET_DIR(ed->bEndpointAddress);
 340                 attr = ed->bmAttributes & UE_XFERTYPE;
 341                 if (dir == UE_DIR_IN && attr == UE_BULK)
 342                         ucom->sc_bulkin_no = addr;
 343                 else if (dir == UE_DIR_OUT && attr == UE_BULK)
 344                         ucom->sc_bulkout_no = addr;
 345                 else {
 346                         device_printf(ucom->sc_dev, "unexpected endpoint\n");
 347                         goto bad;
 348                 }
 349         }
 350         if (ucom->sc_bulkin_no == -1) {
 351                 device_printf(ucom->sc_dev, "Could not find data bulk in\n");
 352                 goto bad;
 353         }
 354         if (ucom->sc_bulkout_no == -1) {
 355                 device_printf(ucom->sc_dev, "Could not find data bulk out\n");
 356                 goto bad;
 357         }
 358         ucom->sc_parent  = sc;
 359         if (uaa->iface == NULL)
 360                 ucom->sc_portno = FTDI_PIT_SIOA;
 361         else
 362                 ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
 363         /* bulkin, bulkout set above */
 364
 365         ucom->sc_ibufsize = UFTDIIBUFSIZE;
 366         ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
 367         ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
 368         ucom->sc_opkthdrlen = sc->sc_hdrlen;
 369
 370
 371         ucom->sc_callback = &uftdi_callback;
 372 #if 0
 373         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
 374           ucom->sc_dev);
 375 #endif
 376         DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
 377         ucom_attach(&sc->sc_ucom);
 378         return 0;
 379
 380 bad:
 381         DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
 382         ucom->sc_dying = 1;
 383         return ENXIO;
 384 }
 385 #if 0
 386 int
 387 uftdi_activate(device_t self, enum devact act)
 388 {
 389         struct uftdi_softc *sc = (struct uftdi_softc *)self;
 390         int rv = 0;
 391
 392         switch (act) {
 393         case DVACT_ACTIVATE:
 394                 return (EOPNOTSUPP);
 395
 396         case DVACT_DEACTIVATE:
 397                 if (sc->sc_subdev != NULL)
 398                         rv = config_deactivate(sc->sc_subdev);
 399                 sc->sc_ucom.sc_dying = 1;
 400                 break;
 401         }
 402         return (rv);
 403 }
 404 #endif
 405
 406 static int
 407 uftdi_detach(device_t self)
 408 {
 409         struct uftdi_softc *sc = device_get_softc(self);
 410
 411         int rv = 0;
 412
 413         DPRINTF(("uftdi_detach: sc=%p\n", sc));
 414         sc->sc_ucom.sc_dying = 1;
 415         rv = ucom_detach(&sc->sc_ucom);
 416
 417         return rv;
 418 }
 419
 420 static int
 421 uftdi_open(void *vsc, int portno)
 422 {
 423         struct uftdi_softc *sc = vsc;
 424         struct ucom_softc *ucom = &sc->sc_ucom;
 425         usb_device_request_t req;
 426         usbd_status err;
 427         struct termios t;
 428
 429         DPRINTF(("uftdi_open: sc=%p\n", sc));
 430
 431         if (ucom->sc_dying)
 432                 return (EIO);
 433
 434         /* Perform a full reset on the device */
 435         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 436         req.bRequest = FTDI_SIO_RESET;
 437         USETW(req.wValue, FTDI_SIO_RESET_SIO);
 438         USETW(req.wIndex, portno);
 439         USETW(req.wLength, 0);
 440         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 441         if (err)
 442                 return (EIO);
 443
 444         /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
 445         t.c_ospeed = 9600;
 446         t.c_cflag = CSTOPB | CS8;
 447         (void)uftdi_param(sc, portno, &t);
 448
 449         /* Turn on RTS/CTS flow control */
 450         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 451         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 452         USETW(req.wValue, 0);
 453         USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
 454         USETW(req.wLength, 0);
 455         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 456         if (err)
 457                 return (EIO);
 458
 459         return (0);
 460 }
 461
 462 static void
 463 uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
 464 {
 465         struct uftdi_softc *sc = vsc;
 466         u_char msr, lsr;
 467
 468         DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n", sc, portno,
 469                      *count));
 470
 471         msr = FTDI_GET_MSR(*ptr);
 472         lsr = FTDI_GET_LSR(*ptr);
 473
 474 #ifdef USB_DEBUG
 475         if (*count != 2)
 476                 DPRINTFN(10,("uftdi_read: sc=%p, port=%d count=%d data[0]="
 477                             "0x%02x\n", sc, portno, *count, (*ptr)[2]));
 478 #endif
 479
 480         if (sc->sc_msr != msr ||
 481             (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
 482                 DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
 483                          "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
 484                          lsr, sc->sc_lsr));
 485                 sc->sc_msr = msr;
 486                 sc->sc_lsr = lsr;
 487                 ucom_status_change(&sc->sc_ucom);
 488         }
 489
 490         /* Pick up status and adjust data part. */
 491         *ptr += 2;
 492         *count -= 2;
 493 }
 494
 495 static void
 496 uftdi_write(void *vsc, int portno, u_char *to, u_char *from, u_int32_t *count)
 497 {
 498         struct uftdi_softc *sc = vsc;
 499
 500         DPRINTFN(10,("uftdi_write: sc=%p, port=%d count=%u data[0]=0x%02x\n",
 501                      vsc, portno, *count, from[0]));
 502
 503         /* Make length tag and copy data */
 504         if (sc->sc_hdrlen > 0)
 505                 *to = FTDI_OUT_TAG(*count, portno);
 506
 507         memcpy(to + sc->sc_hdrlen, from, *count);
 508         *count += sc->sc_hdrlen;
 509 }
 510
 511 static void
 512 uftdi_set(void *vsc, int portno, int reg, int onoff)
 513 {
 514         struct uftdi_softc *sc = vsc;
 515         struct ucom_softc *ucom = vsc;
 516         usb_device_request_t req;
 517         int ctl;
 518
 519         DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
 520                  reg, onoff));
 521
 522         switch (reg) {
 523         case UCOM_SET_DTR:
 524                 ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
 525                 break;
 526         case UCOM_SET_RTS:
 527                 ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
 528                 break;
 529         case UCOM_SET_BREAK:
 530                 uftdi_break(sc, portno, onoff);
 531                 return;
 532         default:
 533                 return;
 534         }
 535         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 536         req.bRequest = FTDI_SIO_MODEM_CTRL;
 537         USETW(req.wValue, ctl);
 538         USETW(req.wIndex, portno);
 539         USETW(req.wLength, 0);
 540         DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
 541                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 542                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 543         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 544 }
 545
 546 static int
 547 uftdi_param(void *vsc, int portno, struct termios *t)
 548 {
 549         struct uftdi_softc *sc = vsc;
 550         struct ucom_softc *ucom = &sc->sc_ucom;
 551         usb_device_request_t req;
 552         usbd_status err;
 553         int rate=0, data, flow;
 554
 555         DPRINTF(("uftdi_param: sc=%p\n", sc));
 556
 557         if (ucom->sc_dying)
 558                 return (EIO);
 559
 560         switch (sc->sc_type) {
 561         case UFTDI_TYPE_SIO:
 562                 switch (t->c_ospeed) {
 563                 case 300: rate = ftdi_sio_b300; break;
 564                 case 600: rate = ftdi_sio_b600; break;
 565                 case 1200: rate = ftdi_sio_b1200; break;
 566                 case 2400: rate = ftdi_sio_b2400; break;
 567                 case 4800: rate = ftdi_sio_b4800; break;
 568                 case 9600: rate = ftdi_sio_b9600; break;
 569                 case 19200: rate = ftdi_sio_b19200; break;
 570                 case 38400: rate = ftdi_sio_b38400; break;
 571                 case 57600: rate = ftdi_sio_b57600; break;
 572                 case 115200: rate = ftdi_sio_b115200; break;
 573                 default:
 574                         return (EINVAL);
 575                 }
 576                 break;
 577
 578         case UFTDI_TYPE_8U232AM:
 579                 switch(t->c_ospeed) {
 580                 case 300: rate = ftdi_8u232am_b300; break;
 581                 case 600: rate = ftdi_8u232am_b600; break;
 582                 case 1200: rate = ftdi_8u232am_b1200; break;
 583                 case 2400: rate = ftdi_8u232am_b2400; break;
 584                 case 4800: rate = ftdi_8u232am_b4800; break;
 585                 case 9600: rate = ftdi_8u232am_b9600; break;
 586                 case 19200: rate = ftdi_8u232am_b19200; break;
 587                 case 38400: rate = ftdi_8u232am_b38400; break;
 588                 case 57600: rate = ftdi_8u232am_b57600; break;
 589                 case 115200: rate = ftdi_8u232am_b115200; break;
 590                 case 230400: rate = ftdi_8u232am_b230400; break;
 591                 case 460800: rate = ftdi_8u232am_b460800; break;
 592                 case 921600: rate = ftdi_8u232am_b921600; break;
 593                 case 2000000: rate = ftdi_8u232am_b2000000; break;
 594                 case 3000000: rate = ftdi_8u232am_b3000000; break;
 595                 default:
 596                         return (EINVAL);
 597                 }
 598                 break;
 599         }
 600         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 601         req.bRequest = FTDI_SIO_SET_BAUD_RATE;
 602         USETW(req.wValue, rate);
 603         USETW(req.wIndex, portno);
 604         USETW(req.wLength, 0);
 605         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 606                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 607                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 608         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 609         if (err)
 610                 return (EIO);
 611
 612         if (ISSET(t->c_cflag, CSTOPB))
 613                 data = FTDI_SIO_SET_DATA_STOP_BITS_2;
 614         else
 615                 data = FTDI_SIO_SET_DATA_STOP_BITS_1;
 616         if (ISSET(t->c_cflag, PARENB)) {
 617                 if (ISSET(t->c_cflag, PARODD))
 618                         data |= FTDI_SIO_SET_DATA_PARITY_ODD;
 619                 else
 620                         data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
 621         } else
 622                 data |= FTDI_SIO_SET_DATA_PARITY_NONE;
 623         switch (ISSET(t->c_cflag, CSIZE)) {
 624         case CS5:
 625                 data |= FTDI_SIO_SET_DATA_BITS(5);
 626                 break;
 627         case CS6:
 628                 data |= FTDI_SIO_SET_DATA_BITS(6);
 629                 break;
 630         case CS7:
 631                 data |= FTDI_SIO_SET_DATA_BITS(7);
 632                 break;
 633         case CS8:
 634                 data |= FTDI_SIO_SET_DATA_BITS(8);
 635                 break;
 636         }
 637         sc->last_lcr = data;
 638
 639         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 640         req.bRequest = FTDI_SIO_SET_DATA;
 641         USETW(req.wValue, data);
 642         USETW(req.wIndex, portno);
 643         USETW(req.wLength, 0);
 644         DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
 645                     "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
 646                     UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
 647         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 648         if (err)
 649                 return (EIO);
 650
 651         if (ISSET(t->c_cflag, CRTSCTS)) {
 652                 flow = FTDI_SIO_RTS_CTS_HS;
 653                 USETW(req.wValue, 0);
 654         } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
 655                 flow = FTDI_SIO_XON_XOFF_HS;
 656                 USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
 657         } else {
 658                 flow = FTDI_SIO_DISABLE_FLOW_CTRL;
 659                 USETW(req.wValue, 0);
 660         }
 661         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 662         req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
 663         USETW2(req.wIndex, flow, portno);
 664         USETW(req.wLength, 0);
 665         err = usbd_do_request(ucom->sc_udev, &req, NULL);
 666         if (err)
 667                 return (EIO);
 668
 669         return (0);
 670 }
 671
 672 void
 673 uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
 674 {
 675         struct uftdi_softc *sc = vsc;
 676
 677         DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
 678                  sc->sc_msr, sc->sc_lsr));
 679
 680         if (msr != NULL)
 681                 *msr = sc->sc_msr;
 682         if (lsr != NULL)
 683                 *lsr = sc->sc_lsr;
 684 }
 685
 686 void
 687 uftdi_break(void *vsc, int portno, int onoff)
 688 {
 689         struct uftdi_softc *sc = vsc;
 690         struct ucom_softc *ucom = vsc;
 691
 692         usb_device_request_t req;
 693         int data;
 694
 695         DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
 696                   onoff));
 697
 698         if (onoff) {
 699                 data = sc->last_lcr | FTDI_SIO_SET_BREAK;
 700         } else {
 701                 data = sc->last_lcr;
 702         }
 703
 704         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 705         req.bRequest = FTDI_SIO_SET_DATA;
 706         USETW(req.wValue, data);
 707         USETW(req.wIndex, portno);
 708         USETW(req.wLength, 0);
 709         (void)usbd_do_request(ucom->sc_udev, &req, NULL);
 710 }
 711
 712 static device_method_t uftdi_methods[] = {
 713         /* Device interface */
 714         DEVMETHOD(device_probe, uftdi_match),
 715         DEVMETHOD(device_attach, uftdi_attach),
 716         DEVMETHOD(device_detach, uftdi_detach),
 717
 718         { 0, 0 }
 719 };
 720
 721 static driver_t uftdi_driver = {
 722         "ucom",
 723         uftdi_methods,
 724         sizeof (struct uftdi_softc)
 725 };
 726
 727 DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
 728 MODULE_DEPEND(uftdi, usb, 1, 1, 1);
 729 MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);