sys/dev/usb/uvscom.c

   1 /*      $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss 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  * $FreeBSD$
  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/param.h>
  38 #include <sys/systm.h>
  39 #include <sys/kernel.h>
  40 #include <sys/malloc.h>
  41 #include <sys/fcntl.h>
  42 #include <sys/conf.h>
  43 #include <sys/tty.h>
  44 #include <sys/file.h>
  45 #if defined(__FreeBSD__)
  46 #include <sys/bus.h>
  47 #include <sys/ioccom.h>
  48 #if __FreeBSD_version >= 500014
  49 #include <sys/selinfo.h>
  50 #else
  51 #include <sys/select.h>
  52 #endif
  53 #else
  54 #include <sys/ioctl.h>
  55 #include <sys/device.h>
  56 #endif
  57 #include <sys/proc.h>
  58 #include <sys/vnode.h>
  59 #include <sys/poll.h>
  60 #include <sys/sysctl.h>
  61
  62 #include <dev/usb/usb.h>
  63 #include <dev/usb/usbcdc.h>
  64
  65 #include <dev/usb/usbdi.h>
  66 #include <dev/usb/usbdi_util.h>
  67 #include <dev/usb/usbdevs.h>
  68 #include <dev/usb/usb_quirks.h>
  69
  70 #include <dev/usb/ucomvar.h>
  71
  72 #ifdef USB_DEBUG
  73 static int      uvscomdebug = 0;
  74 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
  75 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW,
  76            &uvscomdebug, 0, "uvscom debug level");
  77
  78 #define DPRINTFN(n, x) do { \
  79                                 if (uvscomdebug > (n)) \
  80                                         logprintf x; \
  81                         } while (0)
  82 #else
  83 #define DPRINTFN(n, x)
  84 #endif
  85 #define DPRINTF(x) DPRINTFN(0, x)
  86
  87 #define UVSCOM_MODVER           1       /* module version */
  88
  89 #define UVSCOM_CONFIG_INDEX     0
  90 #define UVSCOM_IFACE_INDEX      0
  91
  92 #define UVSCOM_INTR_INTERVAL    100     /* mS */
  93
  94 #define UVSCOM_UNIT_WAIT        5
  95
  96 /* Request */
  97 #define UVSCOM_SET_SPEED        0x10
  98 #define UVSCOM_LINE_CTL         0x11
  99 #define UVSCOM_SET_PARAM        0x12
 100 #define UVSCOM_READ_STATUS      0xd0
 101 #define UVSCOM_SHUTDOWN         0xe0
 102
 103 /* UVSCOM_SET_SPEED parameters */
 104 #define UVSCOM_SPEED_150BPS     0x00
 105 #define UVSCOM_SPEED_300BPS     0x01
 106 #define UVSCOM_SPEED_600BPS     0x02
 107 #define UVSCOM_SPEED_1200BPS    0x03
 108 #define UVSCOM_SPEED_2400BPS    0x04
 109 #define UVSCOM_SPEED_4800BPS    0x05
 110 #define UVSCOM_SPEED_9600BPS    0x06
 111 #define UVSCOM_SPEED_19200BPS   0x07
 112 #define UVSCOM_SPEED_38400BPS   0x08
 113 #define UVSCOM_SPEED_57600BPS   0x09
 114 #define UVSCOM_SPEED_115200BPS  0x0a
 115
 116 /* UVSCOM_LINE_CTL parameters */
 117 #define UVSCOM_BREAK            0x40
 118 #define UVSCOM_RTS              0x02
 119 #define UVSCOM_DTR              0x01
 120 #define UVSCOM_LINE_INIT        0x08
 121
 122 /* UVSCOM_SET_PARAM parameters */
 123 #define UVSCOM_DATA_MASK        0x03
 124 #define UVSCOM_DATA_BIT_8       0x03
 125 #define UVSCOM_DATA_BIT_7       0x02
 126 #define UVSCOM_DATA_BIT_6       0x01
 127 #define UVSCOM_DATA_BIT_5       0x00
 128
 129 #define UVSCOM_STOP_MASK        0x04
 130 #define UVSCOM_STOP_BIT_2       0x04
 131 #define UVSCOM_STOP_BIT_1       0x00
 132
 133 #define UVSCOM_PARITY_MASK      0x18
 134 #define UVSCOM_PARITY_EVEN      0x18
 135 #if 0
 136 #define UVSCOM_PARITY_UNK       0x10
 137 #endif
 138 #define UVSCOM_PARITY_ODD       0x08
 139 #define UVSCOM_PARITY_NONE      0x00
 140
 141 /* Status bits */
 142 #define UVSCOM_TXRDY            0x04
 143 #define UVSCOM_RXRDY            0x01
 144
 145 #define UVSCOM_DCD              0x08
 146 #define UVSCOM_NOCARD           0x04
 147 #define UVSCOM_DSR              0x02
 148 #define UVSCOM_CTS              0x01
 149 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
 150
 151 struct  uvscom_softc {
 152         struct ucom_softc       sc_ucom;
 153
 154         int                     sc_iface_number;/* interface number */
 155
 156         usbd_interface_handle   sc_intr_iface;  /* interrupt interface */
 157         int                     sc_intr_number; /* interrupt number */
 158         usbd_pipe_handle        sc_intr_pipe;   /* interrupt pipe */
 159         u_char                  *sc_intr_buf;   /* interrupt buffer */
 160         int                     sc_isize;
 161
 162         u_char                  sc_dtr;         /* current DTR state */
 163         u_char                  sc_rts;         /* current RTS state */
 164
 165         u_char                  sc_lsr;         /* Local status register */
 166         u_char                  sc_msr;         /* uvscom status register */
 167
 168         uint16_t                sc_lcr;         /* Line control */
 169         u_char                  sc_usr;         /* unit status */
 170 };
 171
 172 /*
 173  * These are the maximum number of bytes transferred per frame.
 174  * The output buffer size cannot be increased due to the size encoding.
 175  */
 176 #define UVSCOMIBUFSIZE 512
 177 #define UVSCOMOBUFSIZE 64
 178
 179 Static  usbd_status uvscom_shutdown(struct uvscom_softc *);
 180 Static  usbd_status uvscom_reset(struct uvscom_softc *);
 181 Static  usbd_status uvscom_set_line_coding(struct uvscom_softc *,
 182                                            uint16_t, uint16_t);
 183 Static  usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
 184 Static  usbd_status uvscom_set_crtscts(struct uvscom_softc *);
 185 Static  void uvscom_get_status(void *, int, u_char *, u_char *);
 186 Static  void uvscom_dtr(struct uvscom_softc *, int);
 187 Static  void uvscom_rts(struct uvscom_softc *, int);
 188 Static  void uvscom_break(struct uvscom_softc *, int);
 189
 190 Static  void uvscom_set(void *, int, int, int);
 191 Static  void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
 192 #if TODO
 193 Static  int  uvscom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
 194 #endif
 195 Static  int  uvscom_param(void *, int, struct termios *);
 196 Static  int  uvscom_open(void *, int);
 197 Static  void uvscom_close(void *, int);
 198
 199 struct ucom_callback uvscom_callback = {
 200         uvscom_get_status,
 201         uvscom_set,
 202         uvscom_param,
 203         NULL, /* uvscom_ioctl, TODO */
 204         uvscom_open,
 205         uvscom_close,
 206         NULL,
 207         NULL
 208 };
 209
 210 static const struct usb_devno uvscom_devs [] = {
 211         /* SUNTAC U-Cable type P1 */
 212         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
 213         /* SUNTAC Slipper U */
 214         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
 215 };
 216 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
 217
 218 Static device_probe_t uvscom_match;
 219 Static device_attach_t uvscom_attach;
 220 Static device_detach_t uvscom_detach;
 221
 222 Static device_method_t uvscom_methods[] = {
 223         /* Device interface */
 224         DEVMETHOD(device_probe, uvscom_match),
 225         DEVMETHOD(device_attach, uvscom_attach),
 226         DEVMETHOD(device_detach, uvscom_detach),
 227         { 0, 0 }
 228 };
 229
 230 Static driver_t uvscom_driver = {
 231         "ucom",
 232         uvscom_methods,
 233         sizeof (struct uvscom_softc)
 234 };
 235
 236 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
 237 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
 238 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 239
 240 USB_MATCH(uvscom)
 241 {
 242         USB_MATCH_START(uvscom, uaa);
 243
 244         if (uaa->iface != NULL)
 245                 return (UMATCH_NONE);
 246
 247         return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
 248                 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
 249 }
 250
 251 USB_ATTACH(uvscom)
 252 {
 253         USB_ATTACH_START(uvscom, sc, uaa);
 254         usbd_device_handle dev = uaa->device;
 255         struct ucom_softc *ucom;
 256         usb_config_descriptor_t *cdesc;
 257         usb_interface_descriptor_t *id;
 258         usb_endpoint_descriptor_t *ed;
 259         char *devinfo;
 260         const char *devname;
 261         usbd_status err;
 262         int i;
 263
 264         devinfo = malloc(1024, M_USBDEV, M_WAITOK);
 265         ucom = &sc->sc_ucom;
 266
 267         bzero(sc, sizeof (struct uvscom_softc));
 268
 269         usbd_devinfo(dev, 0, devinfo);
 270         /* USB_ATTACH_SETUP; */
 271         ucom->sc_dev = self;
 272         device_set_desc_copy(self, devinfo);
 273         /* USB_ATTACH_SETUP; */
 274
 275         ucom->sc_udev = dev;
 276         ucom->sc_iface = uaa->iface;
 277
 278         devname = USBDEVNAME(ucom->sc_dev);
 279         printf("%s: %s\n", devname, devinfo);
 280
 281         DPRINTF(("uvscom attach: sc = %p\n", sc));
 282
 283         /* initialize endpoints */
 284         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 285         sc->sc_intr_number = -1;
 286         sc->sc_intr_pipe = NULL;
 287
 288         /* Move the device into the configured state. */
 289         err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
 290         if (err) {
 291                 printf("%s: failed to set configuration, err=%s\n",
 292                         devname, usbd_errstr(err));
 293                 goto error;
 294         }
 295
 296         /* get the config descriptor */
 297         cdesc = usbd_get_config_descriptor(ucom->sc_udev);
 298
 299         if (cdesc == NULL) {
 300                 printf("%s: failed to get configuration descriptor\n",
 301                         USBDEVNAME(ucom->sc_dev));
 302                 goto error;
 303         }
 304
 305         /* get the common interface */
 306         err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
 307                                            &ucom->sc_iface);
 308         if (err) {
 309                 printf("%s: failed to get interface, err=%s\n",
 310                         devname, usbd_errstr(err));
 311                 goto error;
 312         }
 313
 314         id = usbd_get_interface_descriptor(ucom->sc_iface);
 315         sc->sc_iface_number = id->bInterfaceNumber;
 316
 317         /* Find endpoints */
 318         for (i = 0; i < id->bNumEndpoints; i++) {
 319                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 320                 if (ed == NULL) {
 321                         printf("%s: no endpoint descriptor for %d\n",
 322                                 USBDEVNAME(ucom->sc_dev), i);
 323                         goto error;
 324                 }
 325
 326                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 327                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 328                         ucom->sc_bulkin_no = ed->bEndpointAddress;
 329                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 330                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 331                         ucom->sc_bulkout_no = ed->bEndpointAddress;
 332                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 333                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 334                         sc->sc_intr_number = ed->bEndpointAddress;
 335                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 336                 }
 337         }
 338
 339         if (ucom->sc_bulkin_no == -1) {
 340                 printf("%s: Could not find data bulk in\n",
 341                         USBDEVNAME(ucom->sc_dev));
 342                 goto error;
 343         }
 344         if (ucom->sc_bulkout_no == -1) {
 345                 printf("%s: Could not find data bulk out\n",
 346                         USBDEVNAME(ucom->sc_dev));
 347                 goto error;
 348         }
 349         if (sc->sc_intr_number == -1) {
 350                 printf("%s: Could not find interrupt in\n",
 351                         USBDEVNAME(ucom->sc_dev));
 352                 goto error;
 353         }
 354
 355         sc->sc_dtr = sc->sc_rts = 0;
 356         sc->sc_lcr = UVSCOM_LINE_INIT;
 357
 358         ucom->sc_parent = sc;
 359         ucom->sc_portno = UCOM_UNK_PORTNO;
 360         /* bulkin, bulkout set above */
 361         ucom->sc_ibufsize = UVSCOMIBUFSIZE;
 362         ucom->sc_obufsize = UVSCOMOBUFSIZE;
 363         ucom->sc_ibufsizepad = UVSCOMIBUFSIZE;
 364         ucom->sc_opkthdrlen = 0;
 365         ucom->sc_callback = &uvscom_callback;
 366
 367         err = uvscom_reset(sc);
 368
 369         if (err) {
 370                 printf("%s: reset failed, %s\n", USBDEVNAME(ucom->sc_dev),
 371                         usbd_errstr(err));
 372                 goto error;
 373         }
 374
 375         DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
 376                  ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
 377
 378         ucom_attach(&sc->sc_ucom);
 379
 380         free(devinfo, M_USBDEV);
 381         USB_ATTACH_SUCCESS_RETURN;
 382
 383 error:
 384         ucom->sc_dying = 1;
 385         free(devinfo, M_USBDEV);
 386         USB_ATTACH_ERROR_RETURN;
 387 }
 388
 389 USB_DETACH(uvscom)
 390 {
 391         USB_DETACH_START(uvscom, sc);
 392         int rv = 0;
 393
 394         DPRINTF(("uvscom_detach: sc = %p\n", sc));
 395
 396         sc->sc_ucom.sc_dying = 1;
 397
 398         if (sc->sc_intr_pipe != NULL) {
 399                 usbd_abort_pipe(sc->sc_intr_pipe);
 400                 usbd_close_pipe(sc->sc_intr_pipe);
 401                 free(sc->sc_intr_buf, M_USBDEV);
 402                 sc->sc_intr_pipe = NULL;
 403         }
 404
 405         rv = ucom_detach(&sc->sc_ucom);
 406
 407         return (rv);
 408 }
 409
 410 Static usbd_status
 411 uvscom_readstat(struct uvscom_softc *sc)
 412 {
 413         usb_device_request_t req;
 414         usbd_status err;
 415         uint16_t r;
 416
 417         DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 418
 419         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 420         req.bRequest = UVSCOM_READ_STATUS;
 421         USETW(req.wValue, 0);
 422         USETW(req.wIndex, 0);
 423         USETW(req.wLength, 2);
 424
 425         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, &r);
 426         if (err) {
 427                 printf("%s: uvscom_readstat: %s\n",
 428                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 429                 return (err);
 430         }
 431
 432         DPRINTF(("%s: uvscom_readstat: r = %d\n",
 433                  USBDEVNAME(sc->sc_ucom.sc_dev), r));
 434
 435         return (USBD_NORMAL_COMPLETION);
 436 }
 437
 438 Static usbd_status
 439 uvscom_shutdown(struct uvscom_softc *sc)
 440 {
 441         usb_device_request_t req;
 442         usbd_status err;
 443
 444         DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 445
 446         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 447         req.bRequest = UVSCOM_SHUTDOWN;
 448         USETW(req.wValue, 0);
 449         USETW(req.wIndex, 0);
 450         USETW(req.wLength, 0);
 451
 452         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 453         if (err) {
 454                 printf("%s: uvscom_shutdown: %s\n",
 455                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 456                 return (err);
 457         }
 458
 459         return (USBD_NORMAL_COMPLETION);
 460 }
 461
 462 Static usbd_status
 463 uvscom_reset(struct uvscom_softc *sc)
 464 {
 465         DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 466
 467         return (USBD_NORMAL_COMPLETION);
 468 }
 469
 470 Static usbd_status
 471 uvscom_set_crtscts(struct uvscom_softc *sc)
 472 {
 473         DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 474
 475         return (USBD_NORMAL_COMPLETION);
 476 }
 477
 478 Static usbd_status
 479 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
 480 {
 481         usb_device_request_t req;
 482         usbd_status err;
 483
 484         DPRINTF(("%s: uvscom_set_line: %04x\n",
 485                  USBDEVNAME(sc->sc_ucom.sc_dev), line));
 486
 487         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 488         req.bRequest = UVSCOM_LINE_CTL;
 489         USETW(req.wValue, line);
 490         USETW(req.wIndex, 0);
 491         USETW(req.wLength, 0);
 492
 493         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 494         if (err) {
 495                 printf("%s: uvscom_set_line: %s\n",
 496                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 497                 return (err);
 498         }
 499
 500         return (USBD_NORMAL_COMPLETION);
 501 }
 502
 503 Static usbd_status
 504 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
 505 {
 506         usb_device_request_t req;
 507         usbd_status err;
 508
 509         DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
 510                  USBDEVNAME(sc->sc_ucom.sc_dev), lsp, ls));
 511
 512         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 513         req.bRequest = UVSCOM_SET_SPEED;
 514         USETW(req.wValue, lsp);
 515         USETW(req.wIndex, 0);
 516         USETW(req.wLength, 0);
 517
 518         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 519         if (err) {
 520                 printf("%s: uvscom_set_line_coding: %s\n",
 521                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 522                 return (err);
 523         }
 524
 525         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 526         req.bRequest = UVSCOM_SET_PARAM;
 527         USETW(req.wValue, ls);
 528         USETW(req.wIndex, 0);
 529         USETW(req.wLength, 0);
 530
 531         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 532         if (err) {
 533                 printf("%s: uvscom_set_line_coding: %s\n",
 534                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 535                 return (err);
 536         }
 537
 538         return (USBD_NORMAL_COMPLETION);
 539 }
 540
 541 Static void
 542 uvscom_dtr(struct uvscom_softc *sc, int onoff)
 543 {
 544         DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
 545                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 546
 547         if (sc->sc_dtr == onoff)
 548                 return;                 /* no change */
 549
 550         sc->sc_dtr = onoff;
 551
 552         if (onoff)
 553                 SET(sc->sc_lcr, UVSCOM_DTR);
 554         else
 555                 CLR(sc->sc_lcr, UVSCOM_DTR);
 556
 557         uvscom_set_line(sc, sc->sc_lcr);
 558 }
 559
 560 Static void
 561 uvscom_rts(struct uvscom_softc *sc, int onoff)
 562 {
 563         DPRINTF(("%s: uvscom_rts: onoff = %d\n",
 564                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 565
 566         if (sc->sc_rts == onoff)
 567                 return;                 /* no change */
 568
 569         sc->sc_rts = onoff;
 570
 571         if (onoff)
 572                 SET(sc->sc_lcr, UVSCOM_RTS);
 573         else
 574                 CLR(sc->sc_lcr, UVSCOM_RTS);
 575
 576         uvscom_set_line(sc, sc->sc_lcr);
 577 }
 578
 579 Static void
 580 uvscom_break(struct uvscom_softc *sc, int onoff)
 581 {
 582         DPRINTF(("%s: uvscom_break: onoff = %d\n",
 583                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 584
 585         if (onoff)
 586                 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
 587 }
 588
 589 Static void
 590 uvscom_set(void *addr, int portno, int reg, int onoff)
 591 {
 592         struct uvscom_softc *sc = addr;
 593
 594         switch (reg) {
 595         case UCOM_SET_DTR:
 596                 uvscom_dtr(sc, onoff);
 597                 break;
 598         case UCOM_SET_RTS:
 599                 uvscom_rts(sc, onoff);
 600                 break;
 601         case UCOM_SET_BREAK:
 602                 uvscom_break(sc, onoff);
 603                 break;
 604         default:
 605                 break;
 606         }
 607 }
 608
 609 Static int
 610 uvscom_param(void *addr, int portno, struct termios *t)
 611 {
 612         struct uvscom_softc *sc = addr;
 613         usbd_status err;
 614         uint16_t lsp;
 615         uint16_t ls;
 616
 617         DPRINTF(("%s: uvscom_param: sc = %p\n",
 618                  USBDEVNAME(sc->sc_ucom.sc_dev), sc));
 619
 620         ls = 0;
 621
 622         switch (t->c_ospeed) {
 623         case B150:
 624                 lsp = UVSCOM_SPEED_150BPS;
 625                 break;
 626         case B300:
 627                 lsp = UVSCOM_SPEED_300BPS;
 628                 break;
 629         case B600:
 630                 lsp = UVSCOM_SPEED_600BPS;
 631                 break;
 632         case B1200:
 633                 lsp = UVSCOM_SPEED_1200BPS;
 634                 break;
 635         case B2400:
 636                 lsp = UVSCOM_SPEED_2400BPS;
 637                 break;
 638         case B4800:
 639                 lsp = UVSCOM_SPEED_4800BPS;
 640                 break;
 641         case B9600:
 642                 lsp = UVSCOM_SPEED_9600BPS;
 643                 break;
 644         case B19200:
 645                 lsp = UVSCOM_SPEED_19200BPS;
 646                 break;
 647         case B38400:
 648                 lsp = UVSCOM_SPEED_38400BPS;
 649                 break;
 650         case B57600:
 651                 lsp = UVSCOM_SPEED_57600BPS;
 652                 break;
 653         case B115200:
 654                 lsp = UVSCOM_SPEED_115200BPS;
 655                 break;
 656         default:
 657                 return (EIO);
 658         }
 659
 660         if (ISSET(t->c_cflag, CSTOPB))
 661                 SET(ls, UVSCOM_STOP_BIT_2);
 662         else
 663                 SET(ls, UVSCOM_STOP_BIT_1);
 664
 665         if (ISSET(t->c_cflag, PARENB)) {
 666                 if (ISSET(t->c_cflag, PARODD))
 667                         SET(ls, UVSCOM_PARITY_ODD);
 668                 else
 669                         SET(ls, UVSCOM_PARITY_EVEN);
 670         } else
 671                 SET(ls, UVSCOM_PARITY_NONE);
 672
 673         switch (ISSET(t->c_cflag, CSIZE)) {
 674         case CS5:
 675                 SET(ls, UVSCOM_DATA_BIT_5);
 676                 break;
 677         case CS6:
 678                 SET(ls, UVSCOM_DATA_BIT_6);
 679                 break;
 680         case CS7:
 681                 SET(ls, UVSCOM_DATA_BIT_7);
 682                 break;
 683         case CS8:
 684                 SET(ls, UVSCOM_DATA_BIT_8);
 685                 break;
 686         default:
 687                 return (EIO);
 688         }
 689
 690         err = uvscom_set_line_coding(sc, lsp, ls);
 691         if (err)
 692                 return (EIO);
 693
 694         if (ISSET(t->c_cflag, CRTSCTS)) {
 695                 err = uvscom_set_crtscts(sc);
 696                 if (err)
 697                         return (EIO);
 698         }
 699
 700         return (0);
 701 }
 702
 703 Static int
 704 uvscom_open(void *addr, int portno)
 705 {
 706         struct uvscom_softc *sc = addr;
 707         int err;
 708         int i;
 709
 710         if (sc->sc_ucom.sc_dying)
 711                 return (ENXIO);
 712
 713         DPRINTF(("uvscom_open: sc = %p\n", sc));
 714
 715         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 716                 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
 717
 718                 sc->sc_usr = 0;         /* clear unit status */
 719
 720                 err = uvscom_readstat(sc);
 721                 if (err) {
 722                         DPRINTF(("%s: uvscom_open: readstat faild\n",
 723                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 724                         return (ENXIO);
 725                 }
 726
 727                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 728                 err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface,
 729                                           sc->sc_intr_number,
 730                                           USBD_SHORT_XFER_OK,
 731                                           &sc->sc_intr_pipe,
 732                                           sc,
 733                                           sc->sc_intr_buf,
 734                                           sc->sc_isize,
 735                                           uvscom_intr,
 736                                           UVSCOM_INTR_INTERVAL);
 737                 if (err) {
 738                         printf("%s: cannot open interrupt pipe (addr %d)\n",
 739                                  USBDEVNAME(sc->sc_ucom.sc_dev),
 740                                  sc->sc_intr_number);
 741                         return (ENXIO);
 742                 }
 743         } else {
 744                 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
 745         }
 746
 747         if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
 748                 /* unit is not ready */
 749
 750                 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
 751                         tsleep(&err, TTIPRI, "uvsop", hz);      /* XXX */
 752                         if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
 753                                 break;
 754                 }
 755                 if (i == 0) {
 756                         DPRINTF(("%s: unit is not ready\n",
 757                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 758                         return (ENXIO);
 759                 }
 760
 761                 /* check PC card was inserted */
 762                 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
 763                         DPRINTF(("%s: no card\n",
 764                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 765                         return (ENXIO);
 766                 }
 767         }
 768
 769         return (0);
 770 }
 771
 772 Static void
 773 uvscom_close(void *addr, int portno)
 774 {
 775         struct uvscom_softc *sc = addr;
 776         int err;
 777
 778         if (sc->sc_ucom.sc_dying)
 779                 return;
 780
 781         DPRINTF(("uvscom_close: close\n"));
 782
 783         uvscom_shutdown(sc);
 784
 785         if (sc->sc_intr_pipe != NULL) {
 786                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 787                 if (err)
 788                         printf("%s: abort interrupt pipe failed: %s\n",
 789                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 790                                            usbd_errstr(err));
 791                 err = usbd_close_pipe(sc->sc_intr_pipe);
 792                 if (err)
 793                         printf("%s: close interrupt pipe failed: %s\n",
 794                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 795                                            usbd_errstr(err));
 796                 free(sc->sc_intr_buf, M_USBDEV);
 797                 sc->sc_intr_pipe = NULL;
 798         }
 799 }
 800
 801 Static void
 802 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 803 {
 804         struct uvscom_softc *sc = priv;
 805         u_char *buf = sc->sc_intr_buf;
 806         u_char pstatus;
 807
 808         if (sc->sc_ucom.sc_dying)
 809                 return;
 810
 811         if (status != USBD_NORMAL_COMPLETION) {
 812                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 813                         return;
 814
 815                 printf("%s: uvscom_intr: abnormal status: %s\n",
 816                         USBDEVNAME(sc->sc_ucom.sc_dev),
 817                         usbd_errstr(status));
 818                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 819                 return;
 820         }
 821
 822         DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
 823                  USBDEVNAME(sc->sc_ucom.sc_dev), buf[0], buf[1]));
 824
 825         sc->sc_lsr = sc->sc_msr = 0;
 826         sc->sc_usr = buf[1];
 827
 828         pstatus = buf[0];
 829         if (ISSET(pstatus, UVSCOM_TXRDY))
 830                 SET(sc->sc_lsr, ULSR_TXRDY);
 831         if (ISSET(pstatus, UVSCOM_RXRDY))
 832                 SET(sc->sc_lsr, ULSR_RXRDY);
 833
 834         pstatus = buf[1];
 835         if (ISSET(pstatus, UVSCOM_CTS))
 836                 SET(sc->sc_msr, UMSR_CTS);
 837         if (ISSET(pstatus, UVSCOM_DSR))
 838                 SET(sc->sc_msr, UMSR_DSR);
 839         if (ISSET(pstatus, UVSCOM_DCD))
 840                 SET(sc->sc_msr, UMSR_DCD);
 841
 842         ucom_status_change(&sc->sc_ucom);
 843 }
 844
 845 Static void
 846 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 847 {
 848         struct uvscom_softc *sc = addr;
 849
 850         if (lsr != NULL)
 851                 *lsr = sc->sc_lsr;
 852         if (msr != NULL)
 853                 *msr = sc->sc_msr;
 854 }
 855
 856 #if TODO
 857 Static int
 858 uvscom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
 859              usb_proc_ptr p)
 860 {
 861         struct uvscom_softc *sc = addr;
 862         int error = 0;
 863
 864         if (sc->sc_ucom.sc_dying)
 865                 return (EIO);
 866
 867         DPRINTF(("uvscom_ioctl: cmd = 0x%08lx\n", cmd));
 868
 869         switch (cmd) {
 870         case TIOCNOTTY:
 871         case TIOCMGET:
 872         case TIOCMSET:
 873                 break;
 874
 875         default:
 876                 DPRINTF(("uvscom_ioctl: unknown\n"));
 877                 error = ENOTTY;
 878                 break;
 879         }
 880
 881         return (error);
 882 }
 883 #endif