sys/dev/usb/uvscom.c

   1 /*      $NetBSD: uvscom.c,v 1.23 2009/09/23 19:07:19 plunky Exp $       */
   2 /*-
   3  * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $
  28  */
  29
  30 /*
  31  * uvscom: SUNTAC Slipper U VS-10U driver.
  32  * Slipper U is a PC card to USB converter for data communication card
  33  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
  34  * P-in m@ater and various data communication card adapters.
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.23 2009/09/23 19:07:19 plunky Exp $");
  39
  40 #include <sys/param.h>
  41 #include <sys/systm.h>
  42 #include <sys/kernel.h>
  43 #include <sys/malloc.h>
  44 #include <sys/fcntl.h>
  45 #include <sys/conf.h>
  46 #include <sys/tty.h>
  47 #include <sys/file.h>
  48 #if defined(__FreeBSD__)
  49 #include <sys/bus.h>
  50 #include <sys/ioccom.h>
  51 #if __FreeBSD_version >= 500014
  52 #include <sys/selinfo.h>
  53 #else
  54 #include <sys/select.h>
  55 #endif
  56 #else
  57 #include <sys/ioctl.h>
  58 #include <sys/device.h>
  59 #endif
  60 #include <sys/proc.h>
  61 #include <sys/poll.h>
  62
  63 #include <dev/usb/usb.h>
  64 #include <dev/usb/usbcdc.h>
  65
  66 #include <dev/usb/usbdi.h>
  67 #include <dev/usb/usbdi_util.h>
  68 #include <dev/usb/usbdevs.h>
  69 #include <dev/usb/usb_quirks.h>
  70
  71 #include <dev/usb/ucomvar.h>
  72
  73 #ifdef UVSCOM_DEBUG
  74 static int      uvscomdebug = 1;
  75
  76 #if defined(__FreeBSD__)
  77 #include <sys/sysctl.h>
  78
  79 SYSCTL_DECL(_debug_usb);
  80 SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
  81            &uvscomdebug, 0, "uvscom debug level");
  82
  83 #endif
  84
  85 #define DPRINTFN(n, x)  do { \
  86                                 if (uvscomdebug > (n)) \
  87                                         logprintf x; \
  88                         } while (0)
  89 #else
  90 #define DPRINTFN(n, x)
  91 #endif
  92 #define DPRINTF(x) DPRINTFN(0, x)
  93
  94 #if defined(__FreeBSD__)
  95 #define UVSCOM_MODVER           1       /* module version */
  96 #endif
  97
  98 #define UVSCOM_CONFIG_INDEX     0
  99 #define UVSCOM_IFACE_INDEX      0
 100
 101 #define UVSCOM_INTR_INTERVAL    100     /* mS */
 102
 103 #define UVSCOM_UNIT_WAIT        5
 104
 105 /* Request */
 106 #define UVSCOM_SET_SPEED        0x10
 107 #define UVSCOM_LINE_CTL         0x11
 108 #define UVSCOM_SET_PARAM        0x12
 109 #define UVSCOM_READ_STATUS      0xd0
 110 #define UVSCOM_SHUTDOWN         0xe0
 111
 112 /* UVSCOM_SET_SPEED parameters */
 113 #define UVSCOM_SPEED_150BPS     0x00
 114 #define UVSCOM_SPEED_300BPS     0x01
 115 #define UVSCOM_SPEED_600BPS     0x02
 116 #define UVSCOM_SPEED_1200BPS    0x03
 117 #define UVSCOM_SPEED_2400BPS    0x04
 118 #define UVSCOM_SPEED_4800BPS    0x05
 119 #define UVSCOM_SPEED_9600BPS    0x06
 120 #define UVSCOM_SPEED_19200BPS   0x07
 121 #define UVSCOM_SPEED_38400BPS   0x08
 122 #define UVSCOM_SPEED_57600BPS   0x09
 123 #define UVSCOM_SPEED_115200BPS  0x0a
 124
 125 /* UVSCOM_LINE_CTL parameters */
 126 #define UVSCOM_BREAK            0x40
 127 #define UVSCOM_RTS              0x02
 128 #define UVSCOM_DTR              0x01
 129 #define UVSCOM_LINE_INIT        0x08
 130
 131 /* UVSCOM_SET_PARAM parameters */
 132 #define UVSCOM_DATA_MASK        0x03
 133 #define UVSCOM_DATA_BIT_8       0x03
 134 #define UVSCOM_DATA_BIT_7       0x02
 135 #define UVSCOM_DATA_BIT_6       0x01
 136 #define UVSCOM_DATA_BIT_5       0x00
 137
 138 #define UVSCOM_STOP_MASK        0x04
 139 #define UVSCOM_STOP_BIT_2       0x04
 140 #define UVSCOM_STOP_BIT_1       0x00
 141
 142 #define UVSCOM_PARITY_MASK      0x18
 143 #define UVSCOM_PARITY_EVEN      0x18
 144 #if 0
 145 #define UVSCOM_PARITY_UNK       0x10
 146 #endif
 147 #define UVSCOM_PARITY_ODD       0x08
 148 #define UVSCOM_PARITY_NONE      0x00
 149
 150 /* Status bits */
 151 #define UVSCOM_TXRDY            0x04
 152 #define UVSCOM_RXRDY            0x01
 153
 154 #define UVSCOM_DCD              0x08
 155 #define UVSCOM_NOCARD           0x04
 156 #define UVSCOM_DSR              0x02
 157 #define UVSCOM_CTS              0x01
 158 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
 159
 160 struct  uvscom_softc {
 161         USBBASEDEVICE           sc_dev;         /* base device */
 162         usbd_device_handle      sc_udev;        /* USB device */
 163         usbd_interface_handle   sc_iface;       /* interface */
 164         int                     sc_iface_number;/* interface number */
 165
 166         usbd_interface_handle   sc_intr_iface;  /* interrupt interface */
 167         int                     sc_intr_number; /* interrupt number */
 168         usbd_pipe_handle        sc_intr_pipe;   /* interrupt pipe */
 169         u_char                  *sc_intr_buf;   /* interrupt buffer */
 170         int                     sc_isize;
 171
 172         u_char                  sc_dtr;         /* current DTR state */
 173         u_char                  sc_rts;         /* current RTS state */
 174
 175         u_char                  sc_lsr;         /* Local status register */
 176         u_char                  sc_msr;         /* uvscom status register */
 177
 178         uint16_t                sc_lcr;         /* Line control */
 179         u_char                  sc_usr;         /* unit status */
 180
 181         device_ptr_t            sc_subdev;      /* ucom device */
 182         u_char                  sc_dying;       /* disconnecting */
 183 };
 184
 185 /*
 186  * These are the maximum number of bytes transferred per frame.
 187  * The output buffer size cannot be increased due to the size encoding.
 188  */
 189 #define UVSCOMIBUFSIZE 512
 190 #define UVSCOMOBUFSIZE 64
 191
 192 Static  usbd_status uvscom_readstat(struct uvscom_softc *);
 193 Static  usbd_status uvscom_shutdown(struct uvscom_softc *);
 194 Static  usbd_status uvscom_reset(struct uvscom_softc *);
 195 Static  usbd_status uvscom_set_line_coding(struct uvscom_softc *,
 196                                            uint16_t, uint16_t);
 197 Static  usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
 198 Static  usbd_status uvscom_set_crtscts(struct uvscom_softc *);
 199 Static  void uvscom_get_status(void *, int, u_char *, u_char *);
 200 Static  void uvscom_dtr(struct uvscom_softc *, int);
 201 Static  void uvscom_rts(struct uvscom_softc *, int);
 202 Static  void uvscom_break(struct uvscom_softc *, int);
 203
 204 Static  void uvscom_set(void *, int, int, int);
 205 Static  void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
 206 Static  int  uvscom_param(void *, int, struct termios *);
 207 Static  int  uvscom_open(void *, int);
 208 Static  void uvscom_close(void *, int);
 209
 210 struct ucom_methods uvscom_methods = {
 211         uvscom_get_status,
 212         uvscom_set,
 213         uvscom_param,
 214         NULL, /* uvscom_ioctl, TODO */
 215         uvscom_open,
 216         uvscom_close,
 217         NULL,
 218         NULL
 219 };
 220
 221 static const struct usb_devno uvscom_devs [] = {
 222         /* SUNTAC U-Cable type A4 */
 223         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 },
 224         /* SUNTAC U-Cable type D2 */
 225         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
 226         /* SUNTAC U-Cable type P1 */
 227         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
 228         /* SUNTAC Slipper U  */
 229         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
 230         /* SUNTAC Ir-Trinity */
 231         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
 232 };
 233 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
 234
 235 int uvscom_match(device_t, cfdata_t, void *);
 236 void uvscom_attach(device_t, device_t, void *);
 237 void uvscom_childdet(device_t, device_t);
 238 int uvscom_detach(device_t, int);
 239 int uvscom_activate(device_t, enum devact);
 240 extern struct cfdriver uvscom_cd;
 241 CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match,
 242     uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet);
 243
 244 USB_MATCH(uvscom)
 245 {
 246         USB_MATCH_START(uvscom, uaa);
 247
 248         return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
 249                 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
 250 }
 251
 252 USB_ATTACH(uvscom)
 253 {
 254         USB_ATTACH_START(uvscom, sc, uaa);
 255         usbd_device_handle dev = uaa->device;
 256         usb_config_descriptor_t *cdesc;
 257         usb_interface_descriptor_t *id;
 258         usb_endpoint_descriptor_t *ed;
 259         char *devinfop;
 260         usbd_status err;
 261         int i;
 262         struct ucom_attach_args uca;
 263
 264         aprint_naive("\n");
 265         aprint_normal("\n");
 266
 267         devinfop = usbd_devinfo_alloc(dev, 0);
 268         aprint_normal_dev(self, "%s\n", devinfop);
 269         usbd_devinfo_free(devinfop);
 270
 271         sc->sc_dev = self;
 272         sc->sc_udev = dev;
 273
 274         DPRINTF(("uvscom attach: sc = %p\n", sc));
 275
 276         /* initialize endpoints */
 277         uca.bulkin = uca.bulkout = -1;
 278         sc->sc_intr_number = -1;
 279         sc->sc_intr_pipe = NULL;
 280
 281         /* Move the device into the configured state. */
 282         err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
 283         if (err) {
 284                 aprint_error_dev(self, "failed to set configuration, err=%s\n",
 285                     usbd_errstr(err));
 286                 sc->sc_dying = 1;
 287                 USB_ATTACH_ERROR_RETURN;
 288         }
 289
 290         /* get the config descriptor */
 291         cdesc = usbd_get_config_descriptor(sc->sc_udev);
 292
 293         if (cdesc == NULL) {
 294                 aprint_error_dev(self,
 295                     "failed to get configuration descriptor\n");
 296                 sc->sc_dying = 1;
 297                 USB_ATTACH_ERROR_RETURN;
 298         }
 299
 300         /* get the common interface */
 301         err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
 302                                            &sc->sc_iface);
 303         if (err) {
 304                 aprint_error_dev(self, "failed to get interface, err=%s\n",
 305                     usbd_errstr(err));
 306                 sc->sc_dying = 1;
 307                 USB_ATTACH_ERROR_RETURN;
 308         }
 309
 310         id = usbd_get_interface_descriptor(sc->sc_iface);
 311         sc->sc_iface_number = id->bInterfaceNumber;
 312
 313         /* Find endpoints */
 314         for (i = 0; i < id->bNumEndpoints; i++) {
 315                 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
 316                 if (ed == NULL) {
 317                         aprint_error_dev(self,
 318                             "no endpoint descriptor for %d\n", i);
 319                         sc->sc_dying = 1;
 320                         USB_ATTACH_ERROR_RETURN;
 321                 }
 322
 323                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 324                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 325                         uca.bulkin = ed->bEndpointAddress;
 326                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 327                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 328                         uca.bulkout = ed->bEndpointAddress;
 329                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 330                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 331                         sc->sc_intr_number = ed->bEndpointAddress;
 332                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 333                 }
 334         }
 335
 336         if (uca.bulkin == -1) {
 337                 aprint_error_dev(self, "Could not find data bulk in\n");
 338                 sc->sc_dying = 1;
 339                 USB_ATTACH_ERROR_RETURN;
 340         }
 341         if (uca.bulkout == -1) {
 342                 aprint_error_dev(self, "Could not find data bulk out\n");
 343                 sc->sc_dying = 1;
 344                 USB_ATTACH_ERROR_RETURN;
 345         }
 346         if (sc->sc_intr_number == -1) {
 347                 aprint_error_dev(self, "Could not find interrupt in\n");
 348                 sc->sc_dying = 1;
 349                 USB_ATTACH_ERROR_RETURN;
 350         }
 351
 352         sc->sc_dtr = sc->sc_rts = 0;
 353         sc->sc_lcr = UVSCOM_LINE_INIT;
 354
 355         uca.portno = UCOM_UNK_PORTNO;
 356         /* bulkin, bulkout set above */
 357         uca.ibufsize = UVSCOMIBUFSIZE;
 358         uca.obufsize = UVSCOMOBUFSIZE;
 359         uca.ibufsizepad = UVSCOMIBUFSIZE;
 360         uca.opkthdrlen = 0;
 361         uca.device = dev;
 362         uca.iface = sc->sc_iface;
 363         uca.methods = &uvscom_methods;
 364         uca.arg = sc;
 365         uca.info = NULL;
 366
 367         err = uvscom_reset(sc);
 368
 369         if (err) {
 370                 aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err));
 371                 sc->sc_dying = 1;
 372                 USB_ATTACH_ERROR_RETURN;
 373         }
 374
 375         DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
 376                  uca.bulkin, uca.bulkout, sc->sc_intr_number));
 377
 378         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
 379                            USBDEV(sc->sc_dev));
 380
 381         DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
 382                         uca.bulkin, uca.bulkout, sc->sc_intr_number ));
 383         sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
 384                                             ucomprint, ucomsubmatch);
 385
 386         USB_ATTACH_SUCCESS_RETURN;
 387 }
 388
 389 void
 390 uvscom_childdet(device_t self, device_t child)
 391 {
 392         struct uvscom_softc *sc = device_private(self);
 393
 394         KASSERT(sc->sc_subdev == child);
 395         sc->sc_subdev = NULL;
 396 }
 397
 398 USB_DETACH(uvscom)
 399 {
 400         USB_DETACH_START(uvscom, sc);
 401         int rv = 0;
 402
 403         DPRINTF(("uvscom_detach: sc = %p\n", sc));
 404
 405         sc->sc_dying = 1;
 406
 407         if (sc->sc_intr_pipe != NULL) {
 408                 usbd_abort_pipe(sc->sc_intr_pipe);
 409                 usbd_close_pipe(sc->sc_intr_pipe);
 410                 free(sc->sc_intr_buf, M_USBDEV);
 411                 sc->sc_intr_pipe = NULL;
 412         }
 413
 414         sc->sc_dying = 1;
 415         if (sc->sc_subdev != NULL)
 416                 rv = config_detach(sc->sc_subdev, flags);
 417
 418         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
 419                            USBDEV(sc->sc_dev));
 420
 421         return (rv);
 422 }
 423
 424 int
 425 uvscom_activate(device_t self, enum devact act)
 426 {
 427         struct uvscom_softc *sc = device_private(self);
 428
 429         switch (act) {
 430         case DVACT_DEACTIVATE:
 431                 sc->sc_dying = 1;
 432                 return 0;
 433         default:
 434                 return EOPNOTSUPP;
 435         }
 436 }
 437
 438 Static usbd_status
 439 uvscom_readstat(struct uvscom_softc *sc)
 440 {
 441         usb_device_request_t req;
 442         usbd_status err;
 443         uint16_t r;
 444
 445         DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev)));
 446
 447         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 448         req.bRequest = UVSCOM_READ_STATUS;
 449         USETW(req.wValue, 0);
 450         USETW(req.wIndex, 0);
 451         USETW(req.wLength, 2);
 452
 453         err = usbd_do_request(sc->sc_udev, &req, &r);
 454         if (err) {
 455                 aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n",
 456                     usbd_errstr(err));
 457                 return (err);
 458         }
 459
 460         DPRINTF(("%s: uvscom_readstat: r = %d\n",
 461                  USBDEVNAME(sc->sc_dev), r));
 462
 463         return (USBD_NORMAL_COMPLETION);
 464 }
 465
 466 Static usbd_status
 467 uvscom_shutdown(struct uvscom_softc *sc)
 468 {
 469         usb_device_request_t req;
 470         usbd_status err;
 471
 472         DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev)));
 473
 474         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 475         req.bRequest = UVSCOM_SHUTDOWN;
 476         USETW(req.wValue, 0);
 477         USETW(req.wIndex, 0);
 478         USETW(req.wLength, 0);
 479
 480         err = usbd_do_request(sc->sc_udev, &req, NULL);
 481         if (err) {
 482                 aprint_error_dev(sc->sc_dev, "uvscom_shutdown: %s\n",
 483                    usbd_errstr(err));
 484                 return (err);
 485         }
 486
 487         return (USBD_NORMAL_COMPLETION);
 488 }
 489
 490 Static usbd_status
 491 uvscom_reset(struct uvscom_softc *sc)
 492 {
 493         DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev)));
 494
 495         return (USBD_NORMAL_COMPLETION);
 496 }
 497
 498 Static usbd_status
 499 uvscom_set_crtscts(struct uvscom_softc *sc)
 500 {
 501         DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev)));
 502
 503         return (USBD_NORMAL_COMPLETION);
 504 }
 505
 506 Static usbd_status
 507 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
 508 {
 509         usb_device_request_t req;
 510         usbd_status err;
 511
 512         DPRINTF(("%s: uvscom_set_line: %04x\n",
 513                  USBDEVNAME(sc->sc_dev), line));
 514
 515         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 516         req.bRequest = UVSCOM_LINE_CTL;
 517         USETW(req.wValue, line);
 518         USETW(req.wIndex, 0);
 519         USETW(req.wLength, 0);
 520
 521         err = usbd_do_request(sc->sc_udev, &req, NULL);
 522         if (err) {
 523                 aprint_error_dev(sc->sc_dev, "uvscom_set_line: %s\n",
 524                     usbd_errstr(err));
 525                 return (err);
 526         }
 527
 528         return (USBD_NORMAL_COMPLETION);
 529 }
 530
 531 Static usbd_status
 532 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
 533 {
 534         usb_device_request_t req;
 535         usbd_status err;
 536
 537         DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
 538                  USBDEVNAME(sc->sc_dev), lsp, ls));
 539
 540         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 541         req.bRequest = UVSCOM_SET_SPEED;
 542         USETW(req.wValue, lsp);
 543         USETW(req.wIndex, 0);
 544         USETW(req.wLength, 0);
 545
 546         err = usbd_do_request(sc->sc_udev, &req, NULL);
 547         if (err) {
 548                 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n",
 549                    usbd_errstr(err));
 550                 return (err);
 551         }
 552
 553         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 554         req.bRequest = UVSCOM_SET_PARAM;
 555         USETW(req.wValue, ls);
 556         USETW(req.wIndex, 0);
 557         USETW(req.wLength, 0);
 558
 559         err = usbd_do_request(sc->sc_udev, &req, NULL);
 560         if (err) {
 561                 aprint_error_dev(sc->sc_dev, "uvscom_set_line_coding: %s\n",
 562                    usbd_errstr(err));
 563                 return (err);
 564         }
 565
 566         return (USBD_NORMAL_COMPLETION);
 567 }
 568
 569 Static void
 570 uvscom_dtr(struct uvscom_softc *sc, int onoff)
 571 {
 572         DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
 573                  USBDEVNAME(sc->sc_dev), onoff));
 574
 575         if (sc->sc_dtr == onoff)
 576                 return;                 /* no change */
 577
 578         sc->sc_dtr = onoff;
 579
 580         if (onoff)
 581                 SET(sc->sc_lcr, UVSCOM_DTR);
 582         else
 583                 CLR(sc->sc_lcr, UVSCOM_DTR);
 584
 585         uvscom_set_line(sc, sc->sc_lcr);
 586 }
 587
 588 Static void
 589 uvscom_rts(struct uvscom_softc *sc, int onoff)
 590 {
 591         DPRINTF(("%s: uvscom_rts: onoff = %d\n",
 592                  USBDEVNAME(sc->sc_dev), onoff));
 593
 594         if (sc->sc_rts == onoff)
 595                 return;                 /* no change */
 596
 597         sc->sc_rts = onoff;
 598
 599         if (onoff)
 600                 SET(sc->sc_lcr, UVSCOM_RTS);
 601         else
 602                 CLR(sc->sc_lcr, UVSCOM_RTS);
 603
 604         uvscom_set_line(sc, sc->sc_lcr);
 605 }
 606
 607 Static void
 608 uvscom_break(struct uvscom_softc *sc, int onoff)
 609 {
 610         DPRINTF(("%s: uvscom_break: onoff = %d\n",
 611                  USBDEVNAME(sc->sc_dev), onoff));
 612
 613         if (onoff)
 614                 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
 615 }
 616
 617 Static void
 618 uvscom_set(void *addr, int portno, int reg, int onoff)
 619 {
 620         struct uvscom_softc *sc = addr;
 621
 622         switch (reg) {
 623         case UCOM_SET_DTR:
 624                 uvscom_dtr(sc, onoff);
 625                 break;
 626         case UCOM_SET_RTS:
 627                 uvscom_rts(sc, onoff);
 628                 break;
 629         case UCOM_SET_BREAK:
 630                 uvscom_break(sc, onoff);
 631                 break;
 632         default:
 633                 break;
 634         }
 635 }
 636
 637 Static int
 638 uvscom_param(void *addr, int portno, struct termios *t)
 639 {
 640         struct uvscom_softc *sc = addr;
 641         usbd_status err;
 642         uint16_t lsp;
 643         uint16_t ls;
 644
 645         DPRINTF(("%s: uvscom_param: sc = %p\n",
 646                  USBDEVNAME(sc->sc_dev), sc));
 647
 648         ls = 0;
 649
 650         switch (t->c_ospeed) {
 651         case B150:
 652                 lsp = UVSCOM_SPEED_150BPS;
 653                 break;
 654         case B300:
 655                 lsp = UVSCOM_SPEED_300BPS;
 656                 break;
 657         case B600:
 658                 lsp = UVSCOM_SPEED_600BPS;
 659                 break;
 660         case B1200:
 661                 lsp = UVSCOM_SPEED_1200BPS;
 662                 break;
 663         case B2400:
 664                 lsp = UVSCOM_SPEED_2400BPS;
 665                 break;
 666         case B4800:
 667                 lsp = UVSCOM_SPEED_4800BPS;
 668                 break;
 669         case B9600:
 670                 lsp = UVSCOM_SPEED_9600BPS;
 671                 break;
 672         case B19200:
 673                 lsp = UVSCOM_SPEED_19200BPS;
 674                 break;
 675         case B38400:
 676                 lsp = UVSCOM_SPEED_38400BPS;
 677                 break;
 678         case B57600:
 679                 lsp = UVSCOM_SPEED_57600BPS;
 680                 break;
 681         case B115200:
 682                 lsp = UVSCOM_SPEED_115200BPS;
 683                 break;
 684         default:
 685                 return (EIO);
 686         }
 687
 688         if (ISSET(t->c_cflag, CSTOPB))
 689                 SET(ls, UVSCOM_STOP_BIT_2);
 690         else
 691                 SET(ls, UVSCOM_STOP_BIT_1);
 692
 693         if (ISSET(t->c_cflag, PARENB)) {
 694                 if (ISSET(t->c_cflag, PARODD))
 695                         SET(ls, UVSCOM_PARITY_ODD);
 696                 else
 697                         SET(ls, UVSCOM_PARITY_EVEN);
 698         } else
 699                 SET(ls, UVSCOM_PARITY_NONE);
 700
 701         switch (ISSET(t->c_cflag, CSIZE)) {
 702         case CS5:
 703                 SET(ls, UVSCOM_DATA_BIT_5);
 704                 break;
 705         case CS6:
 706                 SET(ls, UVSCOM_DATA_BIT_6);
 707                 break;
 708         case CS7:
 709                 SET(ls, UVSCOM_DATA_BIT_7);
 710                 break;
 711         case CS8:
 712                 SET(ls, UVSCOM_DATA_BIT_8);
 713                 break;
 714         default:
 715                 return (EIO);
 716         }
 717
 718         err = uvscom_set_line_coding(sc, lsp, ls);
 719         if (err)
 720                 return (EIO);
 721
 722         if (ISSET(t->c_cflag, CRTSCTS)) {
 723                 err = uvscom_set_crtscts(sc);
 724                 if (err)
 725                         return (EIO);
 726         }
 727
 728         return (0);
 729 }
 730
 731 Static int
 732 uvscom_open(void *addr, int portno)
 733 {
 734         struct uvscom_softc *sc = addr;
 735         int err;
 736         int i;
 737
 738         if (sc->sc_dying)
 739                 return (EIO);
 740
 741         DPRINTF(("uvscom_open: sc = %p\n", sc));
 742
 743         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 744                 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
 745
 746                 sc->sc_usr = 0;         /* clear unit status */
 747
 748                 err = uvscom_readstat(sc);
 749                 if (err) {
 750                         DPRINTF(("%s: uvscom_open: readstat faild\n",
 751                                  USBDEVNAME(sc->sc_dev)));
 752                         return (EIO);
 753                 }
 754
 755                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 756                 err = usbd_open_pipe_intr(sc->sc_iface,
 757                                           sc->sc_intr_number,
 758                                           USBD_SHORT_XFER_OK,
 759                                           &sc->sc_intr_pipe,
 760                                           sc,
 761                                           sc->sc_intr_buf,
 762                                           sc->sc_isize,
 763                                           uvscom_intr,
 764                                           UVSCOM_INTR_INTERVAL);
 765                 if (err) {
 766                         aprint_error_dev(sc->sc_dev,
 767                             "cannot open interrupt pipe (addr %d)\n",
 768                                  sc->sc_intr_number);
 769                         return (EIO);
 770                 }
 771         } else {
 772                 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
 773         }
 774
 775         if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
 776                 /* unit is not ready */
 777
 778                 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
 779                         tsleep(&err, TTIPRI, "uvsop", hz);      /* XXX */
 780                         if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
 781                                 break;
 782                 }
 783                 if (i == 0) {
 784                         DPRINTF(("%s: unit is not ready\n",
 785                                  USBDEVNAME(sc->sc_dev)));
 786                         return (EIO);
 787                 }
 788
 789                 /* check PC card was inserted */
 790                 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
 791                         DPRINTF(("%s: no card\n",
 792                                  USBDEVNAME(sc->sc_dev)));
 793                         return (EIO);
 794                 }
 795         }
 796
 797         return (0);
 798 }
 799
 800 Static void
 801 uvscom_close(void *addr, int portno)
 802 {
 803         struct uvscom_softc *sc = addr;
 804         int err;
 805
 806         if (sc->sc_dying)
 807                 return;
 808
 809         DPRINTF(("uvscom_close: close\n"));
 810
 811         uvscom_shutdown(sc);
 812
 813         if (sc->sc_intr_pipe != NULL) {
 814                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 815                 if (err)
 816                         aprint_error_dev(sc->sc_dev,
 817                             "abort interrupt pipe failed: %s\n",
 818                             usbd_errstr(err));
 819                 err = usbd_close_pipe(sc->sc_intr_pipe);
 820                 if (err)
 821                         aprint_error_dev(sc->sc_dev,
 822                             "lose interrupt pipe failed: %s\n",
 823                             usbd_errstr(err));
 824                 free(sc->sc_intr_buf, M_USBDEV);
 825                 sc->sc_intr_pipe = NULL;
 826         }
 827 }
 828
 829 Static void
 830 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
 831     usbd_status status)
 832 {
 833         struct uvscom_softc *sc = priv;
 834         u_char *buf = sc->sc_intr_buf;
 835         u_char pstatus;
 836
 837         if (sc->sc_dying)
 838                 return;
 839
 840         if (status != USBD_NORMAL_COMPLETION) {
 841                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 842                         return;
 843
 844                 aprint_error_dev(sc->sc_dev,
 845                     "uvscom_intr: abnormal status: %s\n",
 846                     usbd_errstr(status));
 847                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 848                 return;
 849         }
 850
 851         DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
 852                  USBDEVNAME(sc->sc_dev), buf[0], buf[1]));
 853
 854         sc->sc_lsr = sc->sc_msr = 0;
 855         sc->sc_usr = buf[1];
 856
 857         pstatus = buf[0];
 858         if (ISSET(pstatus, UVSCOM_TXRDY))
 859                 SET(sc->sc_lsr, ULSR_TXRDY);
 860         if (ISSET(pstatus, UVSCOM_RXRDY))
 861                 SET(sc->sc_lsr, ULSR_RXRDY);
 862
 863         pstatus = buf[1];
 864         if (ISSET(pstatus, UVSCOM_CTS))
 865                 SET(sc->sc_msr, UMSR_CTS);
 866         if (ISSET(pstatus, UVSCOM_DSR))
 867                 SET(sc->sc_msr, UMSR_DSR);
 868         if (ISSET(pstatus, UVSCOM_DCD))
 869                 SET(sc->sc_msr, UMSR_DCD);
 870
 871         ucom_status_change(device_private(sc->sc_subdev));
 872 }
 873
 874 Static void
 875 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 876 {
 877         struct uvscom_softc *sc = addr;
 878
 879         if (lsr != NULL)
 880                 *lsr = sc->sc_lsr;
 881         if (msr != NULL)
 882                 *msr = sc->sc_msr;
 883 }
 884