6/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) 2001-2003, 2005 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  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 /*
  33  * uvscom: SUNTAC Slipper U VS-10U driver.
  34  * Slipper U is a PC Card to USB converter for data communication card
  35  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
  36  * P-in m@ater and various data communication card adapters.
  37  */
  38
  39 #include "opt_uvscom.h"
  40
  41 #include <sys/param.h>
  42 #include <sys/systm.h>
  43 #include <sys/kernel.h>
  44 #include <sys/malloc.h>
  45 #include <sys/module.h>
  46 #include <sys/fcntl.h>
  47 #include <sys/conf.h>
  48 #include <sys/serial.h>
  49 #include <sys/tty.h>
  50 #include <sys/file.h>
  51 #if defined(__FreeBSD__)
  52 #include <sys/bus.h>
  53 #include <sys/ioccom.h>
  54 #include <sys/selinfo.h>
  55 #else
  56 #include <sys/ioctl.h>
  57 #include <sys/device.h>
  58 #endif
  59 #include <sys/proc.h>
  60 #include <sys/poll.h>
  61 #include <sys/sysctl.h>
  62 #include <sys/taskqueue.h>
  63
  64 #include <dev/usb/usb.h>
  65 #include <dev/usb/usbcdc.h>
  66
  67 #include <dev/usb/usbdi.h>
  68 #include <dev/usb/usbdi_util.h>
  69 #include "usbdevs.h"
  70 #include <dev/usb/usb_quirks.h>
  71
  72 #include <dev/usb/ucomvar.h>
  73
  74 SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom");
  75 #ifdef USB_DEBUG
  76 static int      uvscomdebug = 0;
  77 SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW,
  78            &uvscomdebug, 0, "uvscom debug level");
  79
  80 #define DPRINTFN(n, x) do { \
  81                                 if (uvscomdebug > (n)) \
  82                                         logprintf x; \
  83                         } while (0)
  84 #else
  85 #define DPRINTFN(n, x)
  86 #endif
  87 #define DPRINTF(x) DPRINTFN(0, x)
  88
  89 #define UVSCOM_MODVER           1       /* module version */
  90
  91 #define UVSCOM_CONFIG_INDEX     0
  92 #define UVSCOM_IFACE_INDEX      0
  93
  94 #ifndef UVSCOM_INTR_INTERVAL
  95 #define UVSCOM_INTR_INTERVAL    100     /* mS */
  96 #endif
  97
  98 #define UVSCOM_UNIT_WAIT        5
  99
 100 /* Request */
 101 #define UVSCOM_SET_SPEED        0x10
 102 #define UVSCOM_LINE_CTL         0x11
 103 #define UVSCOM_SET_PARAM        0x12
 104 #define UVSCOM_READ_STATUS      0xd0
 105 #define UVSCOM_SHUTDOWN         0xe0
 106
 107 /* UVSCOM_SET_SPEED parameters */
 108 #define UVSCOM_SPEED_150BPS     0x00
 109 #define UVSCOM_SPEED_300BPS     0x01
 110 #define UVSCOM_SPEED_600BPS     0x02
 111 #define UVSCOM_SPEED_1200BPS    0x03
 112 #define UVSCOM_SPEED_2400BPS    0x04
 113 #define UVSCOM_SPEED_4800BPS    0x05
 114 #define UVSCOM_SPEED_9600BPS    0x06
 115 #define UVSCOM_SPEED_19200BPS   0x07
 116 #define UVSCOM_SPEED_38400BPS   0x08
 117 #define UVSCOM_SPEED_57600BPS   0x09
 118 #define UVSCOM_SPEED_115200BPS  0x0a
 119
 120 /* UVSCOM_LINE_CTL parameters */
 121 #define UVSCOM_BREAK            0x40
 122 #define UVSCOM_RTS              0x02
 123 #define UVSCOM_DTR              0x01
 124 #define UVSCOM_LINE_INIT        0x08
 125
 126 /* UVSCOM_SET_PARAM parameters */
 127 #define UVSCOM_DATA_MASK        0x03
 128 #define UVSCOM_DATA_BIT_8       0x03
 129 #define UVSCOM_DATA_BIT_7       0x02
 130 #define UVSCOM_DATA_BIT_6       0x01
 131 #define UVSCOM_DATA_BIT_5       0x00
 132
 133 #define UVSCOM_STOP_MASK        0x04
 134 #define UVSCOM_STOP_BIT_2       0x04
 135 #define UVSCOM_STOP_BIT_1       0x00
 136
 137 #define UVSCOM_PARITY_MASK      0x18
 138 #define UVSCOM_PARITY_EVEN      0x18
 139 #if 0
 140 #define UVSCOM_PARITY_UNK       0x10
 141 #endif
 142 #define UVSCOM_PARITY_ODD       0x08
 143 #define UVSCOM_PARITY_NONE      0x00
 144
 145 /* Status bits */
 146 #define UVSCOM_TXRDY            0x04
 147 #define UVSCOM_RXRDY            0x01
 148
 149 #define UVSCOM_DCD              0x08
 150 #define UVSCOM_NOCARD           0x04
 151 #define UVSCOM_DSR              0x02
 152 #define UVSCOM_CTS              0x01
 153 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
 154
 155 struct  uvscom_softc {
 156         struct ucom_softc       sc_ucom;
 157
 158         int                     sc_iface_number;/* interface number */
 159
 160         usbd_interface_handle   sc_intr_iface;  /* interrupt interface */
 161         int                     sc_intr_number; /* interrupt number */
 162         usbd_pipe_handle        sc_intr_pipe;   /* interrupt pipe */
 163         u_char                  *sc_intr_buf;   /* interrupt buffer */
 164         int                     sc_isize;
 165
 166         u_char                  sc_dtr;         /* current DTR state */
 167         u_char                  sc_rts;         /* current RTS state */
 168
 169         u_char                  sc_lsr;         /* Local status register */
 170         u_char                  sc_msr;         /* uvscom status register */
 171
 172         uint16_t                sc_lcr;         /* Line control */
 173         u_char                  sc_usr;         /* unit status */
 174
 175         struct task             sc_task;
 176 };
 177
 178 /*
 179  * These are the maximum number of bytes transferred per frame.
 180  * The output buffer size cannot be increased due to the size encoding.
 181  */
 182 #define UVSCOMIBUFSIZE          512
 183 #define UVSCOMOBUFSIZE          64
 184
 185 #ifndef UVSCOM_DEFAULT_OPKTSIZE
 186 #define UVSCOM_DEFAULT_OPKTSIZE 8
 187 #endif
 188
 189 Static  usbd_status uvscom_shutdown(struct uvscom_softc *);
 190 Static  usbd_status uvscom_reset(struct uvscom_softc *);
 191 Static  usbd_status uvscom_set_line_coding(struct uvscom_softc *,
 192                                            uint16_t, uint16_t);
 193 Static  usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
 194 Static  usbd_status uvscom_set_crtscts(struct uvscom_softc *);
 195 Static  void uvscom_get_status(void *, int, u_char *, u_char *);
 196 Static  void uvscom_dtr(struct uvscom_softc *, int);
 197 Static  void uvscom_rts(struct uvscom_softc *, int);
 198 Static  void uvscom_break(struct uvscom_softc *, int);
 199
 200 Static  void uvscom_set(void *, int, int, int);
 201 Static  void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
 202 #if 0 /* TODO */
 203 Static  int  uvscom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
 204 #endif
 205 Static  int  uvscom_param(void *, int, struct termios *);
 206 Static  int  uvscom_open(void *, int);
 207 Static  void uvscom_close(void *, int);
 208 Static  void uvscom_notify(void *, int);
 209
 210 struct ucom_callback uvscom_callback = {
 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 Ir-Trinity */
 227         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
 228         /* SUNTAC U-Cable type P1 */
 229         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
 230         /* SUNTAC Slipper U */
 231         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
 232 };
 233 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
 234
 235 Static device_probe_t uvscom_match;
 236 Static device_attach_t uvscom_attach;
 237 Static device_detach_t uvscom_detach;
 238
 239 Static device_method_t uvscom_methods[] = {
 240         /* Device interface */
 241         DEVMETHOD(device_probe, uvscom_match),
 242         DEVMETHOD(device_attach, uvscom_attach),
 243         DEVMETHOD(device_detach, uvscom_detach),
 244         { 0, 0 }
 245 };
 246
 247 Static driver_t uvscom_driver = {
 248         "ucom",
 249         uvscom_methods,
 250         sizeof (struct uvscom_softc)
 251 };
 252
 253 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
 254 MODULE_DEPEND(uvscom, usb, 1, 1, 1);
 255 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
 256 MODULE_VERSION(uvscom, UVSCOM_MODVER);
 257
 258 static int      uvscomobufsiz = UVSCOM_DEFAULT_OPKTSIZE;
 259 static int      uvscominterval = UVSCOM_INTR_INTERVAL;
 260
 261 static int
 262 sysctl_hw_usb_uvscom_opktsize(SYSCTL_HANDLER_ARGS)
 263 {
 264         int err, val;
 265
 266         val = uvscomobufsiz;
 267         err = sysctl_handle_int(oidp, &val, sizeof(val), req);
 268         if (err != 0 || req->newptr == NULL)
 269                 return (err);
 270         if (0 < val && val <= UVSCOMOBUFSIZE)
 271                 uvscomobufsiz = val;
 272         else
 273                 err = EINVAL;
 274
 275         return (err);
 276 }
 277
 278 static int
 279 sysctl_hw_usb_uvscom_interval(SYSCTL_HANDLER_ARGS)
 280 {
 281         int err, val;
 282
 283         val = uvscominterval;
 284         err = sysctl_handle_int(oidp, &val, sizeof(val), req);
 285         if (err != 0 || req->newptr == NULL)
 286                 return (err);
 287         if (0 < val && val <= 1000)
 288                 uvscominterval = val;
 289         else
 290                 err = EINVAL;
 291
 292         return (err);
 293 }
 294
 295 SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, opktsize, CTLTYPE_INT | CTLFLAG_RW,
 296             0, sizeof(int), sysctl_hw_usb_uvscom_opktsize,
 297             "I", "uvscom output packet size");
 298 SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW,
 299             0, sizeof(int), sysctl_hw_usb_uvscom_interval,
 300             "I", "uvscom interrpt pipe interval");
 301
 302 USB_MATCH(uvscom)
 303 {
 304         USB_MATCH_START(uvscom, uaa);
 305
 306         if (uaa->iface != NULL)
 307                 return (UMATCH_NONE);
 308
 309         return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
 310                 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
 311 }
 312
 313 USB_ATTACH(uvscom)
 314 {
 315         USB_ATTACH_START(uvscom, sc, uaa);
 316         usbd_device_handle dev = uaa->device;
 317         struct ucom_softc *ucom;
 318         usb_config_descriptor_t *cdesc;
 319         usb_interface_descriptor_t *id;
 320         usb_endpoint_descriptor_t *ed;
 321         char *devinfo;
 322         const char *devname;
 323         usbd_status err;
 324         int i;
 325
 326         devinfo = malloc(1024, M_USBDEV, M_WAITOK);
 327         ucom = &sc->sc_ucom;
 328
 329         bzero(sc, sizeof (struct uvscom_softc));
 330
 331         usbd_devinfo(dev, 0, devinfo);
 332         /* USB_ATTACH_SETUP; */
 333         ucom->sc_dev = self;
 334         device_set_desc_copy(self, devinfo);
 335         /* USB_ATTACH_SETUP; */
 336
 337         ucom->sc_udev = dev;
 338         ucom->sc_iface = uaa->iface;
 339
 340         devname = USBDEVNAME(ucom->sc_dev);
 341         printf("%s: %s\n", devname, devinfo);
 342
 343         DPRINTF(("uvscom attach: sc = %p\n", sc));
 344
 345         /* initialize endpoints */
 346         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 347         sc->sc_intr_number = -1;
 348         sc->sc_intr_pipe = NULL;
 349
 350         /* Move the device into the configured state. */
 351         err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
 352         if (err) {
 353                 printf("%s: failed to set configuration, err=%s\n",
 354                         devname, usbd_errstr(err));
 355                 goto error;
 356         }
 357
 358         /* get the config descriptor */
 359         cdesc = usbd_get_config_descriptor(ucom->sc_udev);
 360
 361         if (cdesc == NULL) {
 362                 printf("%s: failed to get configuration descriptor\n",
 363                         USBDEVNAME(ucom->sc_dev));
 364                 goto error;
 365         }
 366
 367         /* get the common interface */
 368         err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
 369                                            &ucom->sc_iface);
 370         if (err) {
 371                 printf("%s: failed to get interface, err=%s\n",
 372                         devname, usbd_errstr(err));
 373                 goto error;
 374         }
 375
 376         id = usbd_get_interface_descriptor(ucom->sc_iface);
 377         sc->sc_iface_number = id->bInterfaceNumber;
 378
 379         /* Find endpoints */
 380         for (i = 0; i < id->bNumEndpoints; i++) {
 381                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 382                 if (ed == NULL) {
 383                         printf("%s: no endpoint descriptor for %d\n",
 384                                 USBDEVNAME(ucom->sc_dev), i);
 385                         goto error;
 386                 }
 387
 388                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 389                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 390                         ucom->sc_bulkin_no = ed->bEndpointAddress;
 391                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 392                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 393                         ucom->sc_bulkout_no = ed->bEndpointAddress;
 394                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 395                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 396                         sc->sc_intr_number = ed->bEndpointAddress;
 397                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 398                 }
 399         }
 400
 401         if (ucom->sc_bulkin_no == -1) {
 402                 printf("%s: Could not find data bulk in\n",
 403                         USBDEVNAME(ucom->sc_dev));
 404                 goto error;
 405         }
 406         if (ucom->sc_bulkout_no == -1) {
 407                 printf("%s: Could not find data bulk out\n",
 408                         USBDEVNAME(ucom->sc_dev));
 409                 goto error;
 410         }
 411         if (sc->sc_intr_number == -1) {
 412                 printf("%s: Could not find interrupt in\n",
 413                         USBDEVNAME(ucom->sc_dev));
 414                 goto error;
 415         }
 416
 417         sc->sc_dtr = sc->sc_rts = 0;
 418         sc->sc_lcr = UVSCOM_LINE_INIT;
 419
 420         ucom->sc_parent = sc;
 421         ucom->sc_portno = UCOM_UNK_PORTNO;
 422         /* bulkin, bulkout set above */
 423         ucom->sc_ibufsize = UVSCOMIBUFSIZE;
 424         ucom->sc_obufsize = uvscomobufsiz;
 425         ucom->sc_ibufsizepad = UVSCOMIBUFSIZE;
 426         ucom->sc_opkthdrlen = 0;
 427         ucom->sc_callback = &uvscom_callback;
 428
 429         err = uvscom_reset(sc);
 430
 431         if (err) {
 432                 printf("%s: reset failed, %s\n", USBDEVNAME(ucom->sc_dev),
 433                         usbd_errstr(err));
 434                 goto error;
 435         }
 436
 437         DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
 438                  ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
 439
 440         TASK_INIT(&sc->sc_task, 0, uvscom_notify, sc);
 441         ucom_attach(&sc->sc_ucom);
 442
 443         free(devinfo, M_USBDEV);
 444         USB_ATTACH_SUCCESS_RETURN;
 445
 446 error:
 447         ucom->sc_dying = 1;
 448         free(devinfo, M_USBDEV);
 449         USB_ATTACH_ERROR_RETURN;
 450 }
 451
 452 USB_DETACH(uvscom)
 453 {
 454         USB_DETACH_START(uvscom, sc);
 455         int rv = 0;
 456
 457         DPRINTF(("uvscom_detach: sc = %p\n", sc));
 458
 459         sc->sc_ucom.sc_dying = 1;
 460
 461         if (sc->sc_intr_pipe != NULL) {
 462                 usbd_abort_pipe(sc->sc_intr_pipe);
 463                 usbd_close_pipe(sc->sc_intr_pipe);
 464                 free(sc->sc_intr_buf, M_USBDEV);
 465                 sc->sc_intr_pipe = NULL;
 466         }
 467
 468         rv = ucom_detach(&sc->sc_ucom);
 469
 470         return (rv);
 471 }
 472
 473 Static usbd_status
 474 uvscom_readstat(struct uvscom_softc *sc)
 475 {
 476         usb_device_request_t req;
 477         usbd_status err;
 478         uint16_t r;
 479
 480         DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 481
 482         req.bmRequestType = UT_READ_VENDOR_DEVICE;
 483         req.bRequest = UVSCOM_READ_STATUS;
 484         USETW(req.wValue, 0);
 485         USETW(req.wIndex, 0);
 486         USETW(req.wLength, 2);
 487
 488         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, &r);
 489         if (err) {
 490                 printf("%s: uvscom_readstat: %s\n",
 491                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 492                 return (err);
 493         }
 494
 495         DPRINTF(("%s: uvscom_readstat: r = %d\n",
 496                  USBDEVNAME(sc->sc_ucom.sc_dev), r));
 497
 498         return (USBD_NORMAL_COMPLETION);
 499 }
 500
 501 Static usbd_status
 502 uvscom_shutdown(struct uvscom_softc *sc)
 503 {
 504         usb_device_request_t req;
 505         usbd_status err;
 506
 507         DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 508
 509         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 510         req.bRequest = UVSCOM_SHUTDOWN;
 511         USETW(req.wValue, 0);
 512         USETW(req.wIndex, 0);
 513         USETW(req.wLength, 0);
 514
 515         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 516         if (err) {
 517                 printf("%s: uvscom_shutdown: %s\n",
 518                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 519                 return (err);
 520         }
 521
 522         return (USBD_NORMAL_COMPLETION);
 523 }
 524
 525 Static usbd_status
 526 uvscom_reset(struct uvscom_softc *sc)
 527 {
 528         DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 529
 530         return (USBD_NORMAL_COMPLETION);
 531 }
 532
 533 Static usbd_status
 534 uvscom_set_crtscts(struct uvscom_softc *sc)
 535 {
 536         DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_ucom.sc_dev)));
 537
 538         return (USBD_NORMAL_COMPLETION);
 539 }
 540
 541 Static usbd_status
 542 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
 543 {
 544         usb_device_request_t req;
 545         usbd_status err;
 546
 547         DPRINTF(("%s: uvscom_set_line: %04x\n",
 548                  USBDEVNAME(sc->sc_ucom.sc_dev), line));
 549
 550         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 551         req.bRequest = UVSCOM_LINE_CTL;
 552         USETW(req.wValue, line);
 553         USETW(req.wIndex, 0);
 554         USETW(req.wLength, 0);
 555
 556         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 557         if (err) {
 558                 printf("%s: uvscom_set_line: %s\n",
 559                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 560                 return (err);
 561         }
 562
 563         return (USBD_NORMAL_COMPLETION);
 564 }
 565
 566 Static usbd_status
 567 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
 568 {
 569         usb_device_request_t req;
 570         usbd_status err;
 571
 572         DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
 573                  USBDEVNAME(sc->sc_ucom.sc_dev), lsp, ls));
 574
 575         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 576         req.bRequest = UVSCOM_SET_SPEED;
 577         USETW(req.wValue, lsp);
 578         USETW(req.wIndex, 0);
 579         USETW(req.wLength, 0);
 580
 581         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 582         if (err) {
 583                 printf("%s: uvscom_set_line_coding: %s\n",
 584                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 585                 return (err);
 586         }
 587
 588         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 589         req.bRequest = UVSCOM_SET_PARAM;
 590         USETW(req.wValue, ls);
 591         USETW(req.wIndex, 0);
 592         USETW(req.wLength, 0);
 593
 594         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL);
 595         if (err) {
 596                 printf("%s: uvscom_set_line_coding: %s\n",
 597                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 598                 return (err);
 599         }
 600
 601         return (USBD_NORMAL_COMPLETION);
 602 }
 603
 604 Static void
 605 uvscom_dtr(struct uvscom_softc *sc, int onoff)
 606 {
 607         DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
 608                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 609
 610         if (sc->sc_dtr == onoff)
 611                 return;                 /* no change */
 612
 613         sc->sc_dtr = onoff;
 614
 615         if (onoff)
 616                 SET(sc->sc_lcr, UVSCOM_DTR);
 617         else
 618                 CLR(sc->sc_lcr, UVSCOM_DTR);
 619
 620         uvscom_set_line(sc, sc->sc_lcr);
 621 }
 622
 623 Static void
 624 uvscom_rts(struct uvscom_softc *sc, int onoff)
 625 {
 626         DPRINTF(("%s: uvscom_rts: onoff = %d\n",
 627                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 628
 629         if (sc->sc_rts == onoff)
 630                 return;                 /* no change */
 631
 632         sc->sc_rts = onoff;
 633
 634         if (onoff)
 635                 SET(sc->sc_lcr, UVSCOM_RTS);
 636         else
 637                 CLR(sc->sc_lcr, UVSCOM_RTS);
 638
 639         uvscom_set_line(sc, sc->sc_lcr);
 640 }
 641
 642 Static void
 643 uvscom_break(struct uvscom_softc *sc, int onoff)
 644 {
 645         DPRINTF(("%s: uvscom_break: onoff = %d\n",
 646                  USBDEVNAME(sc->sc_ucom.sc_dev), onoff));
 647
 648         if (onoff)
 649                 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
 650 }
 651
 652 Static void
 653 uvscom_set(void *addr, int portno, int reg, int onoff)
 654 {
 655         struct uvscom_softc *sc = addr;
 656
 657         switch (reg) {
 658         case UCOM_SET_DTR:
 659                 uvscom_dtr(sc, onoff);
 660                 break;
 661         case UCOM_SET_RTS:
 662                 uvscom_rts(sc, onoff);
 663                 break;
 664         case UCOM_SET_BREAK:
 665                 uvscom_break(sc, onoff);
 666                 break;
 667         default:
 668                 break;
 669         }
 670 }
 671
 672 Static int
 673 uvscom_param(void *addr, int portno, struct termios *t)
 674 {
 675         struct uvscom_softc *sc = addr;
 676         usbd_status err;
 677         uint16_t lsp;
 678         uint16_t ls;
 679
 680         DPRINTF(("%s: uvscom_param: sc = %p\n",
 681                  USBDEVNAME(sc->sc_ucom.sc_dev), sc));
 682
 683         ls = 0;
 684
 685         switch (t->c_ospeed) {
 686         case B150:
 687                 lsp = UVSCOM_SPEED_150BPS;
 688                 break;
 689         case B300:
 690                 lsp = UVSCOM_SPEED_300BPS;
 691                 break;
 692         case B600:
 693                 lsp = UVSCOM_SPEED_600BPS;
 694                 break;
 695         case B1200:
 696                 lsp = UVSCOM_SPEED_1200BPS;
 697                 break;
 698         case B2400:
 699                 lsp = UVSCOM_SPEED_2400BPS;
 700                 break;
 701         case B4800:
 702                 lsp = UVSCOM_SPEED_4800BPS;
 703                 break;
 704         case B9600:
 705                 lsp = UVSCOM_SPEED_9600BPS;
 706                 break;
 707         case B19200:
 708                 lsp = UVSCOM_SPEED_19200BPS;
 709                 break;
 710         case B38400:
 711                 lsp = UVSCOM_SPEED_38400BPS;
 712                 break;
 713         case B57600:
 714                 lsp = UVSCOM_SPEED_57600BPS;
 715                 break;
 716         case B115200:
 717                 lsp = UVSCOM_SPEED_115200BPS;
 718                 break;
 719         default:
 720                 return (EIO);
 721         }
 722
 723         if (ISSET(t->c_cflag, CSTOPB))
 724                 SET(ls, UVSCOM_STOP_BIT_2);
 725         else
 726                 SET(ls, UVSCOM_STOP_BIT_1);
 727
 728         if (ISSET(t->c_cflag, PARENB)) {
 729                 if (ISSET(t->c_cflag, PARODD))
 730                         SET(ls, UVSCOM_PARITY_ODD);
 731                 else
 732                         SET(ls, UVSCOM_PARITY_EVEN);
 733         } else
 734                 SET(ls, UVSCOM_PARITY_NONE);
 735
 736         switch (ISSET(t->c_cflag, CSIZE)) {
 737         case CS5:
 738                 SET(ls, UVSCOM_DATA_BIT_5);
 739                 break;
 740         case CS6:
 741                 SET(ls, UVSCOM_DATA_BIT_6);
 742                 break;
 743         case CS7:
 744                 SET(ls, UVSCOM_DATA_BIT_7);
 745                 break;
 746         case CS8:
 747                 SET(ls, UVSCOM_DATA_BIT_8);
 748                 break;
 749         default:
 750                 return (EIO);
 751         }
 752
 753         err = uvscom_set_line_coding(sc, lsp, ls);
 754         if (err)
 755                 return (EIO);
 756
 757         if (ISSET(t->c_cflag, CRTSCTS)) {
 758                 err = uvscom_set_crtscts(sc);
 759                 if (err)
 760                         return (EIO);
 761         }
 762
 763         return (0);
 764 }
 765
 766 Static int
 767 uvscom_open(void *addr, int portno)
 768 {
 769         struct uvscom_softc *sc = addr;
 770         int err;
 771         int i;
 772
 773         if (sc->sc_ucom.sc_dying)
 774                 return (ENXIO);
 775
 776         DPRINTF(("uvscom_open: sc = %p\n", sc));
 777
 778         /* change output packet size */
 779         sc->sc_ucom.sc_obufsize = uvscomobufsiz;
 780
 781         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 782                 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
 783
 784                 sc->sc_usr = 0;         /* clear unit status */
 785
 786                 err = uvscom_readstat(sc);
 787                 if (err) {
 788                         DPRINTF(("%s: uvscom_open: readstat faild\n",
 789                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 790                         return (ENXIO);
 791                 }
 792
 793                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 794                 err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface,
 795                                           sc->sc_intr_number,
 796                                           USBD_SHORT_XFER_OK,
 797                                           &sc->sc_intr_pipe,
 798                                           sc,
 799                                           sc->sc_intr_buf,
 800                                           sc->sc_isize,
 801                                           uvscom_intr,
 802                                           uvscominterval);
 803                 if (err) {
 804                         printf("%s: cannot open interrupt pipe (addr %d)\n",
 805                                  USBDEVNAME(sc->sc_ucom.sc_dev),
 806                                  sc->sc_intr_number);
 807                         return (ENXIO);
 808                 }
 809         } else {
 810                 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
 811         }
 812
 813         if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
 814                 /* unit is not ready */
 815
 816                 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
 817                         tsleep(&err, TTIPRI, "uvsop", hz);      /* XXX */
 818                         if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
 819                                 break;
 820                 }
 821                 if (i == 0) {
 822                         DPRINTF(("%s: unit is not ready\n",
 823                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 824                         return (ENXIO);
 825                 }
 826
 827                 /* check PC Card was inserted */
 828                 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
 829                         DPRINTF(("%s: no card\n",
 830                                  USBDEVNAME(sc->sc_ucom.sc_dev)));
 831                         return (ENXIO);
 832                 }
 833         }
 834
 835         return (0);
 836 }
 837
 838 Static void
 839 uvscom_close(void *addr, int portno)
 840 {
 841         struct uvscom_softc *sc = addr;
 842         int err;
 843
 844         if (sc->sc_ucom.sc_dying)
 845                 return;
 846
 847         DPRINTF(("uvscom_close: close\n"));
 848
 849         uvscom_shutdown(sc);
 850
 851         if (sc->sc_intr_pipe != NULL) {
 852                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 853                 if (err)
 854                         printf("%s: abort interrupt pipe failed: %s\n",
 855                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 856                                            usbd_errstr(err));
 857                 err = usbd_close_pipe(sc->sc_intr_pipe);
 858                 if (err)
 859                         printf("%s: close interrupt pipe failed: %s\n",
 860                                 USBDEVNAME(sc->sc_ucom.sc_dev),
 861                                            usbd_errstr(err));
 862                 free(sc->sc_intr_buf, M_USBDEV);
 863                 sc->sc_intr_pipe = NULL;
 864         }
 865 }
 866
 867 Static void
 868 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 869 {
 870         struct uvscom_softc *sc = priv;
 871         u_char *buf = sc->sc_intr_buf;
 872         u_char pstatus;
 873
 874         if (sc->sc_ucom.sc_dying)
 875                 return;
 876
 877         if (status != USBD_NORMAL_COMPLETION) {
 878                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 879                         return;
 880
 881                 printf("%s: uvscom_intr: abnormal status: %s\n",
 882                         USBDEVNAME(sc->sc_ucom.sc_dev),
 883                         usbd_errstr(status));
 884                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 885                 return;
 886         }
 887
 888         DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
 889                  USBDEVNAME(sc->sc_ucom.sc_dev), buf[0], buf[1]));
 890
 891         sc->sc_lsr = sc->sc_msr = 0;
 892         sc->sc_usr = buf[1];
 893
 894         pstatus = buf[0];
 895         if (ISSET(pstatus, UVSCOM_TXRDY))
 896                 SET(sc->sc_lsr, ULSR_TXRDY);
 897         if (ISSET(pstatus, UVSCOM_RXRDY))
 898                 SET(sc->sc_lsr, ULSR_RXRDY);
 899
 900         pstatus = buf[1];
 901         if (ISSET(pstatus, UVSCOM_CTS))
 902                 SET(sc->sc_msr, SER_CTS);
 903         if (ISSET(pstatus, UVSCOM_DSR))
 904                 SET(sc->sc_msr, SER_DSR);
 905         if (ISSET(pstatus, UVSCOM_DCD))
 906                 SET(sc->sc_msr, SER_DCD);
 907
 908         /* Deferred notifying to the ucom layer */
 909         taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task);
 910 }
 911
 912 Static void
 913 uvscom_notify(void *arg, int count)
 914 {
 915         struct uvscom_softc *sc;
 916
 917         sc = (struct uvscom_softc *)arg;
 918         if (sc->sc_ucom.sc_dying)
 919                 return;
 920         ucom_status_change(&sc->sc_ucom);
 921 }
 922
 923 Static void
 924 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 925 {
 926         struct uvscom_softc *sc = addr;
 927
 928         if (lsr != NULL)
 929                 *lsr = sc->sc_lsr;
 930         if (msr != NULL)
 931                 *msr = sc->sc_msr;
 932 }
 933
 934 #if 0 /* TODO */
 935 Static int
 936 uvscom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
 937              usb_proc_ptr p)
 938 {
 939         struct uvscom_softc *sc = addr;
 940         int error = 0;
 941
 942         if (sc->sc_ucom.sc_dying)
 943                 return (EIO);
 944
 945         DPRINTF(("uvscom_ioctl: cmd = 0x%08lx\n", cmd));
 946
 947         switch (cmd) {
 948         case TIOCNOTTY:
 949         case TIOCMGET:
 950         case TIOCMSET:
 951                 break;
 952
 953         default:
 954                 DPRINTF(("uvscom_ioctl: unknown\n"));
 955                 error = ENOTTY;
 956                 break;
 957         }
 958
 959         return (error);
 960 }
 961 #endif