sys/dev/usbmisc/uvscom/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: src/sys/dev/usb/uvscom.c,v 1.9.2.3 2003/02/13 13:03:25 sanpei 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/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 D2 */
 212         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
 213         /* SUNTAC Ir-Trinity */
 214         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
 215         /* SUNTAC U-Cable type P1 */
 216         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
 217         /* SUNTAC Slipper U */
 218         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
 219 };
 220 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
 221
 222 Static device_probe_t uvscom_match;
 223 Static device_attach_t uvscom_attach;
 224 Static device_detach_t uvscom_detach;
 225
 226 Static device_method_t uvscom_methods[] = {
 227         /* Device interface */
 228         DEVMETHOD(device_probe, uvscom_match),
 229         DEVMETHOD(device_attach, uvscom_attach),
 230         DEVMETHOD(device_detach, uvscom_detach),
 231         { 0, 0 }
 232 };
 233
 234 Static driver_t uvscom_driver = {
 235         "uvscom",
 236         uvscom_methods,
 237         sizeof (struct uvscom_softc)
 238 };
 239
 240 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
 241 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
 242 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 243
 244 USB_MATCH(uvscom)
 245 {
 246         USB_MATCH_START(uvscom, uaa);
 247
 248         if (uaa->iface != NULL)
 249                 return (UMATCH_NONE);
 250
 251         return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
 252                 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
 253 }
 254
 255 USB_ATTACH(uvscom)
 256 {
 257         USB_ATTACH_START(uvscom, sc, uaa);
 258         usbd_device_handle dev = uaa->device;
 259         struct ucom_softc *ucom;
 260         usb_config_descriptor_t *cdesc;
 261         usb_interface_descriptor_t *id;
 262         usb_endpoint_descriptor_t *ed;
 263         char *devinfo;
 264         const char *devname;
 265         usbd_status err;
 266         int i;
 267
 268         devinfo = malloc(1024, M_USBDEV, M_WAITOK);
 269         ucom = &sc->sc_ucom;
 270
 271         bzero(sc, sizeof (struct uvscom_softc));
 272
 273         usbd_devinfo(dev, 0, devinfo);
 274         /* USB_ATTACH_SETUP; */
 275         ucom->sc_dev = self;
 276         device_set_desc_copy(self, devinfo);
 277         /* USB_ATTACH_SETUP; */
 278
 279         ucom->sc_udev = dev;
 280         ucom->sc_iface = uaa->iface;
 281
 282         devname = USBDEVNAME(ucom->sc_dev);
 283         printf("%s: %s\n", devname, devinfo);
 284
 285         DPRINTF(("uvscom attach: sc = %p\n", sc));
 286
 287         /* initialize endpoints */
 288         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 289         sc->sc_intr_number = -1;
 290         sc->sc_intr_pipe = NULL;
 291
 292         /* Move the device into the configured state. */
 293         err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
 294         if (err) {
 295                 printf("%s: failed to set configuration, err=%s\n",
 296                         devname, usbd_errstr(err));
 297                 goto error;
 298         }
 299
 300         /* get the config descriptor */
 301         cdesc = usbd_get_config_descriptor(ucom->sc_udev);
 302
 303         if (cdesc == NULL) {
 304                 printf("%s: failed to get configuration descriptor\n",
 305                         USBDEVNAME(ucom->sc_dev));
 306                 goto error;
 307         }
 308
 309         /* get the common interface */
 310         err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
 311                                            &ucom->sc_iface);
 312         if (err) {
 313                 printf("%s: failed to get interface, err=%s\n",
 314                         devname, usbd_errstr(err));
 315                 goto error;
 316         }
 317
 318         id = usbd_get_interface_descriptor(ucom->sc_iface);
 319         sc->sc_iface_number = id->bInterfaceNumber;
 320
 321         /* Find endpoints */
 322         for (i = 0; i < id->bNumEndpoints; i++) {
 323                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 324                 if (ed == NULL) {
 325                         printf("%s: no endpoint descriptor for %d\n",
 326                                 USBDEVNAME(ucom->sc_dev), i);
 327                         goto error;
 328                 }
 329
 330                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 331                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 332                         ucom->sc_bulkin_no = ed->bEndpointAddress;
 333                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 334                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 335                         ucom->sc_bulkout_no = ed->bEndpointAddress;
 336                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 337                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 338                         sc->sc_intr_number = ed->bEndpointAddress;
 339                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 340                 }
 341         }
 342
 343         if (ucom->sc_bulkin_no == -1) {
 344                 printf("%s: Could not find data bulk in\n",
 345                         USBDEVNAME(ucom->sc_dev));
 346                 goto error;
 347         }
 348         if (ucom->sc_bulkout_no == -1) {
 349                 printf("%s: Could not find data bulk out\n",
 350                         USBDEVNAME(ucom->sc_dev));
 351                 goto error;
 352         }
 353         if (sc->sc_intr_number == -1) {
 354                 printf("%s: Could not find interrupt in\n",
 355                         USBDEVNAME(ucom->sc_dev));
 356                 goto error;
 357         }
 358
 359         sc->sc_dtr = sc->sc_rts = 0;
 360         sc->sc_lcr = UVSCOM_LINE_INIT;
 361
 362         ucom->sc_parent = sc;
 363         ucom->sc_portno = UCOM_UNK_PORTNO;
 364         /* bulkin, bulkout set above */
 365         ucom->sc_ibufsize = UVSCOMIBUFSIZE;
 366         ucom->sc_obufsize = UVSCOMOBUFSIZE;
 367         ucom->sc_ibufsizepad = UVSCOMIBUFSIZE;
 368         ucom->sc_opkthdrlen = 0;
 369         ucom->sc_callback = &uvscom_callback;
 370
 371         err = uvscom_reset(sc);
 372
 373         if (err) {
 374                 printf("%s: reset failed, %s\n", USBDEVNAME(ucom->sc_dev),
 375                         usbd_errstr(err));
 376                 goto error;
 377         }
 378
 379         DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
 380                  ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
 381
 382         ucom_attach(&sc->sc_ucom);
 383
 384         free(devinfo, M_USBDEV);
 385         USB_ATTACH_SUCCESS_RETURN;
 386
 387 error:
 388         ucom->sc_dying = 1;
 389         free(devinfo, M_USBDEV);
 390         USB_ATTACH_ERROR_RETURN;
 391 }
 392
 393 USB_DETACH(uvscom)
 394 {
 395         USB_DETACH_START(uvscom, sc);
 396         int rv = 0;
 397
 398         DPRINTF(("uvscom_detach: sc = %p\n", sc));
 399
 400         sc->sc_ucom.sc_dying = 1;
 401
 402         if (sc->sc_intr_pipe != NULL) {
 403                 usbd_abort_pipe(sc->sc_intr_pipe);
 404                 usbd_close_pipe(sc->sc_intr_pipe);
 405                 free(sc->sc_intr_buf, M_USBDEV);
 406                 sc->sc_intr_pipe = NULL;
 407         }
 408
 409         rv = ucom_detach(&sc->sc_ucom);
 410
 411         return (rv);
 412 }
 413
 414 Static usbd_status
 415 uvscom_readstat(struct uvscom_softc *sc)
 416 {
 417         usb_device_request_t req;
 418         usbd_status err;
 419         uint16_t r;
 420
 421         DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 422
 423         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 424         req.bRequest = UVSCOM_READ_STATUS;
 425         USETW(req.wValue, 0);
 426         USETW(req.wIndex, 0);
 427         USETW(req.wLength, 2);
 428
 429         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, &r);
 430         if (err) {
 431                 printf("%s: uvscom_readstat: %s\n",
 432                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 433                 return (err);
 434         }
 435
 436         DPRINTF(("%s: uvscom_readstat: r = %d\n",
 437                  USBDEVNAME(sc->sc_ucom.sc_dev), r));
 438
 439         return (USBD_NORMAL_COMPLETION);
 440 }
 441
 442 Static usbd_status
 443 uvscom_shutdown(struct uvscom_softc *sc)
 444 {
 445         usb_device_request_t req;
 446         usbd_status err;
 447
 448         DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 449
 450         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 451         req.bRequest = UVSCOM_SHUTDOWN;
 452         USETW(req.wValue, 0);
 453         USETW(req.wIndex, 0);
 454         USETW(req.wLength, 0);
 455
 456         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 457         if (err) {
 458                 printf("%s: uvscom_shutdown: %s\n",
 459                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 460                 return (err);
 461         }
 462
 463         return (USBD_NORMAL_COMPLETION);
 464 }
 465
 466 Static usbd_status
 467 uvscom_reset(struct uvscom_softc *sc)
 468 {
 469         DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 470
 471         return (USBD_NORMAL_COMPLETION);
 472 }
 473
 474 Static usbd_status
 475 uvscom_set_crtscts(struct uvscom_softc *sc)
 476 {
 477         DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 478
 479         return (USBD_NORMAL_COMPLETION);
 480 }
 481
 482 Static usbd_status
 483 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
 484 {
 485         usb_device_request_t req;
 486         usbd_status err;
 487
 488         DPRINTF(("%s: uvscom_set_line: %04x\n",
 489                  USBDEVNAME(sc->sc_ucom.sc_dev), line));
 490
 491         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 492         req.bRequest = UVSCOM_LINE_CTL;
 493         USETW(req.wValue, line);
 494         USETW(req.wIndex, 0);
 495         USETW(req.wLength, 0);
 496
 497         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 498         if (err) {
 499                 printf("%s: uvscom_set_line: %s\n",
 500                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 501                 return (err);
 502         }
 503
 504         return (USBD_NORMAL_COMPLETION);
 505 }
 506
 507 Static usbd_status
 508 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
 509 {
 510         usb_device_request_t req;
 511         usbd_status err;
 512
 513         DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
 514                  USBDEVNAME(sc->sc_ucom.sc_dev), lsp, ls));
 515
 516         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 517         req.bRequest = UVSCOM_SET_SPEED;
 518         USETW(req.wValue, lsp);
 519         USETW(req.wIndex, 0);
 520         USETW(req.wLength, 0);
 521
 522         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 523         if (err) {
 524                 printf("%s: uvscom_set_line_coding: %s\n",
 525                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 526                 return (err);
 527         }
 528
 529         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 530         req.bRequest = UVSCOM_SET_PARAM;
 531         USETW(req.wValue, ls);
 532         USETW(req.wIndex, 0);
 533         USETW(req.wLength, 0);
 534
 535         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 536         if (err) {
 537                 printf("%s: uvscom_set_line_coding: %s\n",
 538                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 539                 return (err);
 540         }
 541
 542         return (USBD_NORMAL_COMPLETION);
 543 }
 544
 545 Static void
 546 uvscom_dtr(struct uvscom_softc *sc, int onoff)
 547 {
 548         DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
 549                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 550
 551         if (sc->sc_dtr == onoff)
 552                 return;                 /* no change */
 553
 554         sc->sc_dtr = onoff;
 555
 556         if (onoff)
 557                 SET(sc->sc_lcr, UVSCOM_DTR);
 558         else
 559                 CLR(sc->sc_lcr, UVSCOM_DTR);
 560
 561         uvscom_set_line(sc, sc->sc_lcr);
 562 }
 563
 564 Static void
 565 uvscom_rts(struct uvscom_softc *sc, int onoff)
 566 {
 567         DPRINTF(("%s: uvscom_rts: onoff = %d\n",
 568                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 569
 570         if (sc->sc_rts == onoff)
 571                 return;                 /* no change */
 572
 573         sc->sc_rts = onoff;
 574
 575         if (onoff)
 576                 SET(sc->sc_lcr, UVSCOM_RTS);
 577         else
 578                 CLR(sc->sc_lcr, UVSCOM_RTS);
 579
 580         uvscom_set_line(sc, sc->sc_lcr);
 581 }
 582
 583 Static void
 584 uvscom_break(struct uvscom_softc *sc, int onoff)
 585 {
 586         DPRINTF(("%s: uvscom_break: onoff = %d\n",
 587                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 588
 589         if (onoff)
 590                 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
 591 }
 592
 593 Static void
 594 uvscom_set(void *addr, int portno, int reg, int onoff)
 595 {
 596         struct uvscom_softc *sc = addr;
 597
 598         switch (reg) {
 599         case UCOM_SET_DTR:
 600                 uvscom_dtr(sc, onoff);
 601                 break;
 602         case UCOM_SET_RTS:
 603                 uvscom_rts(sc, onoff);
 604                 break;
 605         case UCOM_SET_BREAK:
 606                 uvscom_break(sc, onoff);
 607                 break;
 608         default:
 609                 break;
 610         }
 611 }
 612
 613 Static int
 614 uvscom_param(void *addr, int portno, struct termios *t)
 615 {
 616         struct uvscom_softc *sc = addr;
 617         usbd_status err;
 618         uint16_t lsp;
 619         uint16_t ls;
 620
 621         DPRINTF(("%s: uvscom_param: sc = %p\n",
 622                  USBDEVNAME(sc->sc_ucom.sc_dev), sc));
 623
 624         ls = 0;
 625
 626         switch (t->c_ospeed) {
 627         case B150:
 628                 lsp = UVSCOM_SPEED_150BPS;
 629                 break;
 630         case B300:
 631                 lsp = UVSCOM_SPEED_300BPS;
 632                 break;
 633         case B600:
 634                 lsp = UVSCOM_SPEED_600BPS;
 635                 break;
 636         case B1200:
 637                 lsp = UVSCOM_SPEED_1200BPS;
 638                 break;
 639         case B2400:
 640                 lsp = UVSCOM_SPEED_2400BPS;
 641                 break;
 642         case B4800:
 643                 lsp = UVSCOM_SPEED_4800BPS;
 644                 break;
 645         case B9600:
 646                 lsp = UVSCOM_SPEED_9600BPS;
 647                 break;
 648         case B19200:
 649                 lsp = UVSCOM_SPEED_19200BPS;
 650                 break;
 651         case B38400:
 652                 lsp = UVSCOM_SPEED_38400BPS;
 653                 break;
 654         case B57600:
 655                 lsp = UVSCOM_SPEED_57600BPS;
 656                 break;
 657         case B115200:
 658                 lsp = UVSCOM_SPEED_115200BPS;
 659                 break;
 660         default:
 661                 return (EIO);
 662         }
 663
 664         if (ISSET(t->c_cflag, CSTOPB))
 665                 SET(ls, UVSCOM_STOP_BIT_2);
 666         else
 667                 SET(ls, UVSCOM_STOP_BIT_1);
 668
 669         if (ISSET(t->c_cflag, PARENB)) {
 670                 if (ISSET(t->c_cflag, PARODD))
 671                         SET(ls, UVSCOM_PARITY_ODD);
 672                 else
 673                         SET(ls, UVSCOM_PARITY_EVEN);
 674         } else
 675                 SET(ls, UVSCOM_PARITY_NONE);
 676
 677         switch (ISSET(t->c_cflag, CSIZE)) {
 678         case CS5:
 679                 SET(ls, UVSCOM_DATA_BIT_5);
 680                 break;
 681         case CS6:
 682                 SET(ls, UVSCOM_DATA_BIT_6);
 683                 break;
 684         case CS7:
 685                 SET(ls, UVSCOM_DATA_BIT_7);
 686                 break;
 687         case CS8:
 688                 SET(ls, UVSCOM_DATA_BIT_8);
 689                 break;
 690         default:
 691                 return (EIO);
 692         }
 693
 694         err = uvscom_set_line_coding(sc, lsp, ls);
 695         if (err)
 696                 return (EIO);
 697
 698         if (ISSET(t->c_cflag, CRTSCTS)) {
 699                 err = uvscom_set_crtscts(sc);
 700                 if (err)
 701                         return (EIO);
 702         }
 703
 704         return (0);
 705 }
 706
 707 Static int
 708 uvscom_open(void *addr, int portno)
 709 {
 710         struct uvscom_softc *sc = addr;
 711         int err;
 712         int i;
 713
 714         if (sc->sc_ucom.sc_dying)
 715                 return (ENXIO);
 716
 717         DPRINTF(("uvscom_open: sc = %p\n", sc));
 718
 719         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 720                 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
 721
 722                 sc->sc_usr = 0;         /* clear unit status */
 723
 724                 err = uvscom_readstat(sc);
 725                 if (err) {
 726                         DPRINTF(("%s: uvscom_open: readstat faild\n",
 727                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 728                         return (ENXIO);
 729                 }
 730
 731                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 732                 err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface,
 733                                           sc->sc_intr_number,
 734                                           USBD_SHORT_XFER_OK,
 735                                           &sc->sc_intr_pipe,
 736                                           sc,
 737                                           sc->sc_intr_buf,
 738                                           sc->sc_isize,
 739                                           uvscom_intr,
 740                                           UVSCOM_INTR_INTERVAL);
 741                 if (err) {
 742                         printf("%s: cannot open interrupt pipe (addr %d)\n",
 743                                  USBDEVNAME(sc->sc_ucom.sc_dev),
 744                                  sc->sc_intr_number);
 745                         return (ENXIO);
 746                 }
 747         } else {
 748                 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
 749         }
 750
 751         if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
 752                 /* unit is not ready */
 753
 754                 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
 755                         tsleep(&err, TTIPRI, "uvsop", hz);      /* XXX */
 756                         if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
 757                                 break;
 758                 }
 759                 if (i == 0) {
 760                         DPRINTF(("%s: unit is not ready\n",
 761                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 762                         return (ENXIO);
 763                 }
 764
 765                 /* check PC card was inserted */
 766                 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
 767                         DPRINTF(("%s: no card\n",
 768                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 769                         return (ENXIO);
 770                 }
 771         }
 772
 773         return (0);
 774 }
 775
 776 Static void
 777 uvscom_close(void *addr, int portno)
 778 {
 779         struct uvscom_softc *sc = addr;
 780         int err;
 781
 782         if (sc->sc_ucom.sc_dying)
 783                 return;
 784
 785         DPRINTF(("uvscom_close: close\n"));
 786
 787         uvscom_shutdown(sc);
 788
 789         if (sc->sc_intr_pipe != NULL) {
 790                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 791                 if (err)
 792                         printf("%s: abort interrupt pipe failed: %s\n",
 793                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 794                                            usbd_errstr(err));
 795                 err = usbd_close_pipe(sc->sc_intr_pipe);
 796                 if (err)
 797                         printf("%s: close interrupt pipe failed: %s\n",
 798                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 799                                            usbd_errstr(err));
 800                 free(sc->sc_intr_buf, M_USBDEV);
 801                 sc->sc_intr_pipe = NULL;
 802         }
 803 }
 804
 805 Static void
 806 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 807 {
 808         struct uvscom_softc *sc = priv;
 809         u_char *buf = sc->sc_intr_buf;
 810         u_char pstatus;
 811
 812         if (sc->sc_ucom.sc_dying)
 813                 return;
 814
 815         if (status != USBD_NORMAL_COMPLETION) {
 816                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 817                         return;
 818
 819                 printf("%s: uvscom_intr: abnormal status: %s\n",
 820                         USBDEVNAME(sc->sc_ucom.sc_dev),
 821                         usbd_errstr(status));
 822                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 823                 return;
 824         }
 825
 826         DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
 827                  USBDEVNAME(sc->sc_ucom.sc_dev), buf[0], buf[1]));
 828
 829         sc->sc_lsr = sc->sc_msr = 0;
 830         sc->sc_usr = buf[1];
 831
 832         pstatus = buf[0];
 833         if (ISSET(pstatus, UVSCOM_TXRDY))
 834                 SET(sc->sc_lsr, ULSR_TXRDY);
 835         if (ISSET(pstatus, UVSCOM_RXRDY))
 836                 SET(sc->sc_lsr, ULSR_RXRDY);
 837
 838         pstatus = buf[1];
 839         if (ISSET(pstatus, UVSCOM_CTS))
 840                 SET(sc->sc_msr, UMSR_CTS);
 841         if (ISSET(pstatus, UVSCOM_DSR))
 842                 SET(sc->sc_msr, UMSR_DSR);
 843         if (ISSET(pstatus, UVSCOM_DCD))
 844                 SET(sc->sc_msr, UMSR_DCD);
 845
 846         ucom_status_change(&sc->sc_ucom);
 847 }
 848
 849 Static void
 850 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 851 {
 852         struct uvscom_softc *sc = addr;
 853
 854         if (lsr != NULL)
 855                 *lsr = sc->sc_lsr;
 856         if (msr != NULL)
 857                 *msr = sc->sc_msr;
 858 }
 859
 860 #if TODO
 861 Static int
 862 uvscom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
 863              usb_proc_ptr p)
 864 {
 865         struct uvscom_softc *sc = addr;
 866         int error = 0;
 867
 868         if (sc->sc_ucom.sc_dying)
 869                 return (EIO);
 870
 871         DPRINTF(("uvscom_ioctl: cmd = 0x%08lx\n", cmd));
 872
 873         switch (cmd) {
 874         case TIOCNOTTY:
 875         case TIOCMGET:
 876         case TIOCMSET:
 877                 break;
 878
 879         default:
 880                 DPRINTF(("uvscom_ioctl: unknown\n"));
 881                 error = ENOTTY;
 882                 break;
 883         }
 884
 885         return (error);
 886 }
 887 #endif