sys/dev/usb/uplcom.c

   1 /*      $NetBSD: uplcom.c,v 1.21 2001/11/13 06:24:56 lukem Exp $        */
   2
   3 /*-
   4  * Copyright (c) 2001-2002, Shunsuke Akiyama <akiyama@jp.FreeBSD.org>.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 /*-
  33  * Copyright (c) 2001 The NetBSD Foundation, Inc.
  34  * All rights reserved.
  35  *
  36  * This code is derived from software contributed to The NetBSD Foundation
  37  * by Ichiro FUKUHARA (ichiro@ichiro.org).
  38  *
  39  * Redistribution and use in source and binary forms, with or without
  40  * modification, are permitted provided that the following conditions
  41  * are met:
  42  * 1. Redistributions of source code must retain the above copyright
  43  *    notice, this list of conditions and the following disclaimer.
  44  * 2. Redistributions in binary form must reproduce the above copyright
  45  *    notice, this list of conditions and the following disclaimer in the
  46  *    documentation and/or other materials provided with the distribution.
  47  * 3. All advertising materials mentioning features or use of this software
  48  *    must display the following acknowledgement:
  49  *        This product includes software developed by the NetBSD
  50  *        Foundation, Inc. and its contributors.
  51  * 4. Neither the name of The NetBSD Foundation nor the names of its
  52  *    contributors may be used to endorse or promote products derived
  53  *    from this software without specific prior written permission.
  54  *
  55  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  56  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  57  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  58  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  59  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  60  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  61  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  62  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  63  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  64  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  65  * POSSIBILITY OF SUCH DAMAGE.
  66  */
  67
  68 /*
  69  * Simple datasheet
  70  * http://www.prolific.com.tw/download/DataSheet/pl2303_ds11.PDF
  71  * http://www.nisseisg.co.jp/jyouhou/_cp/@gif/2303.pdf
  72  *      (english)
  73  *
  74  */
  75
  76 #include "opt_uplcom.h"
  77
  78 #include <sys/param.h>
  79 #include <sys/systm.h>
  80 #include <sys/kernel.h>
  81 #include <sys/module.h>
  82 #include <sys/malloc.h>
  83 #include <sys/bus.h>
  84 #include <sys/ioccom.h>
  85 #include <sys/fcntl.h>
  86 #include <sys/conf.h>
  87 #include <sys/serial.h>
  88 #include <sys/tty.h>
  89 #include <sys/file.h>
  90 #if __FreeBSD_version >= 500014
  91 #include <sys/selinfo.h>
  92 #else
  93 #include <sys/select.h>
  94 #endif
  95 #include <sys/proc.h>
  96 #include <sys/poll.h>
  97 #include <sys/sysctl.h>
  98 #include <sys/uio.h>
  99
 100 #include <dev/usb/usb.h>
 101 #include <dev/usb/usbcdc.h>
 102
 103 #include <dev/usb/usbdi.h>
 104 #include <dev/usb/usbdi_util.h>
 105 #include "usbdevs.h"
 106 #include <dev/usb/usb_quirks.h>
 107
 108 #include <dev/usb/ucomvar.h>
 109
 110 SYSCTL_NODE(_hw_usb, OID_AUTO, uplcom, CTLFLAG_RW, 0, "USB uplcom");
 111 #ifdef USB_DEBUG
 112 static int      uplcomdebug = 0;
 113 SYSCTL_INT(_hw_usb_uplcom, OID_AUTO, debug, CTLFLAG_RW,
 114            &uplcomdebug, 0, "uplcom debug level");
 115
 116 #define DPRINTFN(n, x)  do { \
 117                                 if (uplcomdebug > (n)) \
 118                                         logprintf x; \
 119                         } while (0)
 120 #else
 121 #define DPRINTFN(n, x)
 122 #endif
 123 #define DPRINTF(x) DPRINTFN(0, x)
 124
 125 #define UPLCOM_MODVER                   1       /* module version */
 126
 127 #define UPLCOM_CONFIG_INDEX             0
 128 #define UPLCOM_IFACE_INDEX              0
 129 #define UPLCOM_SECOND_IFACE_INDEX       1
 130
 131 #ifndef UPLCOM_INTR_INTERVAL
 132 #define UPLCOM_INTR_INTERVAL            100     /* ms */
 133 #endif
 134
 135 #define UPLCOM_SET_REQUEST              0x01
 136 #define UPLCOM_SET_CRTSCTS              0x41
 137 #define RSAQ_STATUS_CTS                 0x80
 138 #define RSAQ_STATUS_DSR                 0x02
 139 #define RSAQ_STATUS_DCD                 0x01
 140
 141 struct  uplcom_softc {
 142         struct ucom_softc       sc_ucom;
 143
 144         int                     sc_iface_number;        /* interface number */
 145
 146         usbd_interface_handle   sc_intr_iface;  /* interrupt interface */
 147         int                     sc_intr_number; /* interrupt number */
 148         usbd_pipe_handle        sc_intr_pipe;   /* interrupt pipe */
 149         u_char                  *sc_intr_buf;   /* interrupt buffer */
 150         int                     sc_isize;
 151
 152         usb_cdc_line_state_t    sc_line_state;  /* current line state */
 153         u_char                  sc_dtr;         /* current DTR state */
 154         u_char                  sc_rts;         /* current RTS state */
 155         u_char                  sc_status;
 156
 157         u_char                  sc_lsr;         /* Local status register */
 158         u_char                  sc_msr;         /* uplcom status register */
 159 };
 160
 161 /*
 162  * These are the maximum number of bytes transferred per frame.
 163  * The output buffer size cannot be increased due to the size encoding.
 164  */
 165 #define UPLCOMIBUFSIZE 256
 166 #define UPLCOMOBUFSIZE 256
 167
 168 Static  usbd_status uplcom_reset(struct uplcom_softc *);
 169 Static  usbd_status uplcom_set_line_coding(struct uplcom_softc *,
 170                                            usb_cdc_line_state_t *);
 171 Static  usbd_status uplcom_set_crtscts(struct uplcom_softc *);
 172 Static  void uplcom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
 173
 174 Static  void uplcom_set(void *, int, int, int);
 175 Static  void uplcom_dtr(struct uplcom_softc *, int);
 176 Static  void uplcom_rts(struct uplcom_softc *, int);
 177 Static  void uplcom_break(struct uplcom_softc *, int);
 178 Static  void uplcom_set_line_state(struct uplcom_softc *);
 179 Static  void uplcom_get_status(void *, int, u_char *, u_char *);
 180 #if TODO
 181 Static  int  uplcom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
 182 #endif
 183 Static  int  uplcom_param(void *, int, struct termios *);
 184 Static  int  uplcom_open(void *, int);
 185 Static  void uplcom_close(void *, int);
 186
 187 struct ucom_callback uplcom_callback = {
 188         uplcom_get_status,
 189         uplcom_set,
 190         uplcom_param,
 191         NULL, /* uplcom_ioctl, TODO */
 192         uplcom_open,
 193         uplcom_close,
 194         NULL,
 195         NULL
 196 };
 197
 198 static const struct uplcom_product {
 199         uint16_t        vendor;
 200         uint16_t        product;
 201 } uplcom_products [] = {
 202         /* I/O DATA USB-RSAQ */
 203         { USB_VENDOR_IODATA, USB_PRODUCT_IODATA_USBRSAQ },
 204         /* I/O DATA USB-RSAQ2 */
 205         { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_RSAQ2 },
 206         /* PLANEX USB-RS232 URS-03 */
 207         { USB_VENDOR_ATEN, USB_PRODUCT_ATEN_UC232A },
 208         /* IOGEAR/ATEN UC-232A */
 209         { USB_VENDOR_PROLIFIC, USB_PRODUCT_PROLIFIC_PL2303 },
 210         /* TDK USB-PHS Adapter UHA6400 */
 211         { USB_VENDOR_TDK, USB_PRODUCT_TDK_UHA6400 },
 212         /* RATOC REX-USB60 */
 213         { USB_VENDOR_RATOC, USB_PRODUCT_RATOC_REXUSB60 },
 214         /* ELECOM UC-SGT */
 215         { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT },
 216         { USB_VENDOR_ELECOM, USB_PRODUCT_ELECOM_UCSGT0 },
 217         /* Sony Ericsson USB Cable */
 218         { USB_VENDOR_SONYERICSSON, USB_PRODUCT_SONYERICSSON_DCU10 },
 219         /* SOURCENEXT KeikaiDenwa 8 */
 220         { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8 },
 221         /* SOURCENEXT KeikaiDenwa 8 with charger */
 222         { USB_VENDOR_SOURCENEXT, USB_PRODUCT_SOURCENEXT_KEIKAI8_CHG },
 223         /* HAL Corporation Crossam2+USB */
 224         { USB_VENDOR_HAL, USB_PRODUCT_HAL_IMR001 },
 225         { 0, 0 }
 226 };
 227
 228 Static device_probe_t uplcom_match;
 229 Static device_attach_t uplcom_attach;
 230 Static device_detach_t uplcom_detach;
 231
 232 Static device_method_t uplcom_methods[] = {
 233         /* Device interface */
 234         DEVMETHOD(device_probe, uplcom_match),
 235         DEVMETHOD(device_attach, uplcom_attach),
 236         DEVMETHOD(device_detach, uplcom_detach),
 237         { 0, 0 }
 238 };
 239
 240 Static driver_t uplcom_driver = {
 241         "ucom",
 242         uplcom_methods,
 243         sizeof (struct uplcom_softc)
 244 };
 245
 246 DRIVER_MODULE(uplcom, uhub, uplcom_driver, ucom_devclass, usbd_driver_load, 0);
 247 MODULE_DEPEND(uplcom, usb, 1, 1, 1);
 248 MODULE_DEPEND(uplcom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
 249 MODULE_VERSION(uplcom, UPLCOM_MODVER);
 250
 251 static int      uplcominterval = UPLCOM_INTR_INTERVAL;
 252
 253 static int
 254 sysctl_hw_usb_uplcom_interval(SYSCTL_HANDLER_ARGS)
 255 {
 256         int err, val;
 257
 258         val = uplcominterval;
 259         err = sysctl_handle_int(oidp, &val, sizeof(val), req);
 260         if (err != 0 || req->newptr == NULL)
 261                 return (err);
 262         if (0 < val && val <= 1000)
 263                 uplcominterval = val;
 264         else
 265                 err = EINVAL;
 266
 267         return (err);
 268 }
 269
 270 SYSCTL_PROC(_hw_usb_uplcom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW,
 271             0, sizeof(int), sysctl_hw_usb_uplcom_interval,
 272             "I", "uplcom interrpt pipe interval");
 273
 274 USB_MATCH(uplcom)
 275 {
 276         USB_MATCH_START(uplcom, uaa);
 277         int i;
 278
 279         if (uaa->iface != NULL)
 280                 return (UMATCH_NONE);
 281
 282         for (i = 0; uplcom_products[i].vendor != 0; i++) {
 283                 if (uplcom_products[i].vendor == uaa->vendor &&
 284                     uplcom_products[i].product == uaa->product) {
 285                         return (UMATCH_VENDOR_PRODUCT);
 286                 }
 287         }
 288         return (UMATCH_NONE);
 289 }
 290
 291 USB_ATTACH(uplcom)
 292 {
 293         USB_ATTACH_START(uplcom, sc, uaa);
 294         usbd_device_handle dev = uaa->device;
 295         struct ucom_softc *ucom;
 296         usb_config_descriptor_t *cdesc;
 297         usb_interface_descriptor_t *id;
 298         usb_endpoint_descriptor_t *ed;
 299         char *devinfo;
 300         const char *devname;
 301         usbd_status err;
 302         int i;
 303
 304         devinfo = malloc(1024, M_USBDEV, M_WAITOK);
 305         ucom = &sc->sc_ucom;
 306
 307         bzero(sc, sizeof (struct uplcom_softc));
 308
 309         usbd_devinfo(dev, 0, devinfo);
 310         /* USB_ATTACH_SETUP; */
 311         ucom->sc_dev = self;
 312         device_set_desc_copy(self, devinfo);
 313         /* USB_ATTACH_SETUP; */
 314
 315         ucom->sc_udev = dev;
 316         ucom->sc_iface = uaa->iface;
 317
 318         devname = USBDEVNAME(ucom->sc_dev);
 319         printf("%s: %s\n", devname, devinfo);
 320
 321         DPRINTF(("uplcom attach: sc = %p\n", sc));
 322
 323         /* initialize endpoints */
 324         ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
 325         sc->sc_intr_number = -1;
 326         sc->sc_intr_pipe = NULL;
 327
 328         /* Move the device into the configured state. */
 329         err = usbd_set_config_index(dev, UPLCOM_CONFIG_INDEX, 1);
 330         if (err) {
 331                 printf("%s: failed to set configuration: %s\n",
 332                         devname, usbd_errstr(err));
 333                 ucom->sc_dying = 1;
 334                 goto error;
 335         }
 336
 337         /* get the config descriptor */
 338         cdesc = usbd_get_config_descriptor(ucom->sc_udev);
 339
 340         if (cdesc == NULL) {
 341                 printf("%s: failed to get configuration descriptor\n",
 342                         USBDEVNAME(ucom->sc_dev));
 343                 ucom->sc_dying = 1;
 344                 goto error;
 345         }
 346
 347         /* get the (first/common) interface */
 348         err = usbd_device2interface_handle(dev, UPLCOM_IFACE_INDEX,
 349                                            &ucom->sc_iface);
 350         if (err) {
 351                 printf("%s: failed to get interface: %s\n",
 352                         devname, usbd_errstr(err));
 353                 ucom->sc_dying = 1;
 354                 goto error;
 355         }
 356
 357         /* Find the interrupt endpoints */
 358
 359         id = usbd_get_interface_descriptor(ucom->sc_iface);
 360         sc->sc_iface_number = id->bInterfaceNumber;
 361
 362         for (i = 0; i < id->bNumEndpoints; i++) {
 363                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 364                 if (ed == NULL) {
 365                         printf("%s: no endpoint descriptor for %d\n",
 366                                 USBDEVNAME(ucom->sc_dev), i);
 367                         ucom->sc_dying = 1;
 368                         goto error;
 369                 }
 370
 371                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 372                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
 373                         sc->sc_intr_number = ed->bEndpointAddress;
 374                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
 375                 }
 376         }
 377
 378         if (sc->sc_intr_number == -1) {
 379                 printf("%s: Could not find interrupt in\n",
 380                         USBDEVNAME(ucom->sc_dev));
 381                 ucom->sc_dying = 1;
 382                 goto error;
 383         }
 384
 385         /* keep interface for interrupt */
 386         sc->sc_intr_iface = ucom->sc_iface;
 387
 388         /*
 389          * USB-RSAQ1 has two interface
 390          *
 391          *  USB-RSAQ1       | USB-RSAQ2
 392          * -----------------+-----------------
 393          * Interface 0      |Interface 0
 394          *  Interrupt(0x81) | Interrupt(0x81)
 395          * -----------------+ BulkIN(0x02)
 396          * Interface 1      | BulkOUT(0x83)
 397          *   BulkIN(0x02)   |
 398          *   BulkOUT(0x83)  |
 399          */
 400         if (cdesc->bNumInterface == 2) {
 401                 err = usbd_device2interface_handle(dev,
 402                                                    UPLCOM_SECOND_IFACE_INDEX,
 403                                                    &ucom->sc_iface);
 404                 if (err) {
 405                         printf("%s: failed to get second interface: %s\n",
 406                                 devname, usbd_errstr(err));
 407                         ucom->sc_dying = 1;
 408                         goto error;
 409                 }
 410         }
 411
 412         /* Find the bulk{in,out} endpoints */
 413
 414         id = usbd_get_interface_descriptor(ucom->sc_iface);
 415         sc->sc_iface_number = id->bInterfaceNumber;
 416
 417         for (i = 0; i < id->bNumEndpoints; i++) {
 418                 ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
 419                 if (ed == NULL) {
 420                         printf("%s: no endpoint descriptor for %d\n",
 421                                 USBDEVNAME(ucom->sc_dev), i);
 422                         ucom->sc_dying = 1;
 423                         goto error;
 424                 }
 425
 426                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
 427                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 428                         ucom->sc_bulkin_no = ed->bEndpointAddress;
 429                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
 430                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
 431                         ucom->sc_bulkout_no = ed->bEndpointAddress;
 432                 }
 433         }
 434
 435         if (ucom->sc_bulkin_no == -1) {
 436                 printf("%s: Could not find data bulk in\n",
 437                         USBDEVNAME(ucom->sc_dev));
 438                 ucom->sc_dying = 1;
 439                 goto error;
 440         }
 441
 442         if (ucom->sc_bulkout_no == -1) {
 443                 printf("%s: Could not find data bulk out\n",
 444                         USBDEVNAME(ucom->sc_dev));
 445                 ucom->sc_dying = 1;
 446                 goto error;
 447         }
 448
 449         sc->sc_dtr = sc->sc_rts = -1;
 450         ucom->sc_parent = sc;
 451         ucom->sc_portno = UCOM_UNK_PORTNO;
 452         /* bulkin, bulkout set above */
 453         ucom->sc_ibufsize = UPLCOMIBUFSIZE;
 454         ucom->sc_obufsize = UPLCOMOBUFSIZE;
 455         ucom->sc_ibufsizepad = UPLCOMIBUFSIZE;
 456         ucom->sc_opkthdrlen = 0;
 457         ucom->sc_callback = &uplcom_callback;
 458
 459         err = uplcom_reset(sc);
 460
 461         if (err) {
 462                 printf("%s: reset failed: %s\n",
 463                        USBDEVNAME(ucom->sc_dev), usbd_errstr(err));
 464                 ucom->sc_dying = 1;
 465                 goto error;
 466         }
 467
 468         DPRINTF(("uplcom: in = 0x%x, out = 0x%x, intr = 0x%x\n",
 469                  ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
 470
 471         ucom_attach(&sc->sc_ucom);
 472
 473         free(devinfo, M_USBDEV);
 474         USB_ATTACH_SUCCESS_RETURN;
 475
 476 error:
 477         free(devinfo, M_USBDEV);
 478         USB_ATTACH_ERROR_RETURN;
 479 }
 480
 481 USB_DETACH(uplcom)
 482 {
 483         USB_DETACH_START(uplcom, sc);
 484         int rv = 0;
 485
 486         DPRINTF(("uplcom_detach: sc = %p\n", sc));
 487
 488         if (sc->sc_intr_pipe != NULL) {
 489                 usbd_abort_pipe(sc->sc_intr_pipe);
 490                 usbd_close_pipe(sc->sc_intr_pipe);
 491                 free(sc->sc_intr_buf, M_USBDEV);
 492                 sc->sc_intr_pipe = NULL;
 493         }
 494
 495         sc->sc_ucom.sc_dying = 1;
 496
 497         rv = ucom_detach(&sc->sc_ucom);
 498
 499         return (rv);
 500 }
 501
 502 Static usbd_status
 503 uplcom_reset(struct uplcom_softc *sc)
 504 {
 505         usb_device_request_t req;
 506         usbd_status err;
 507
 508         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 509         req.bRequest = UPLCOM_SET_REQUEST;
 510         USETW(req.wValue, 0);
 511         USETW(req.wIndex, sc->sc_iface_number);
 512         USETW(req.wLength, 0);
 513
 514         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
 515         if (err) {
 516                 printf("%s: uplcom_reset: %s\n",
 517                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 518                 return (EIO);
 519         }
 520
 521         return (0);
 522 }
 523
 524 Static void
 525 uplcom_set_line_state(struct uplcom_softc *sc)
 526 {
 527         usb_device_request_t req;
 528         int ls;
 529         usbd_status err;
 530
 531         ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
 532                 (sc->sc_rts ? UCDC_LINE_RTS : 0);
 533         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 534         req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
 535         USETW(req.wValue, ls);
 536         USETW(req.wIndex, sc->sc_iface_number);
 537         USETW(req.wLength, 0);
 538
 539         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
 540         if (err)
 541                 printf("%s: uplcom_set_line_status: %s\n",
 542                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 543 }
 544
 545 Static void
 546 uplcom_set(void *addr, int portno, int reg, int onoff)
 547 {
 548         struct uplcom_softc *sc = addr;
 549
 550         switch (reg) {
 551         case UCOM_SET_DTR:
 552                 uplcom_dtr(sc, onoff);
 553                 break;
 554         case UCOM_SET_RTS:
 555                 uplcom_rts(sc, onoff);
 556                 break;
 557         case UCOM_SET_BREAK:
 558                 uplcom_break(sc, onoff);
 559                 break;
 560         default:
 561                 break;
 562         }
 563 }
 564
 565 Static void
 566 uplcom_dtr(struct uplcom_softc *sc, int onoff)
 567 {
 568         DPRINTF(("uplcom_dtr: onoff = %d\n", onoff));
 569
 570         if (sc->sc_dtr == onoff)
 571                 return;
 572         sc->sc_dtr = onoff;
 573
 574         uplcom_set_line_state(sc);
 575 }
 576
 577 Static void
 578 uplcom_rts(struct uplcom_softc *sc, int onoff)
 579 {
 580         DPRINTF(("uplcom_rts: onoff = %d\n", onoff));
 581
 582         if (sc->sc_rts == onoff)
 583                 return;
 584         sc->sc_rts = onoff;
 585
 586         uplcom_set_line_state(sc);
 587 }
 588
 589 Static void
 590 uplcom_break(struct uplcom_softc *sc, int onoff)
 591 {
 592         usb_device_request_t req;
 593         usbd_status err;
 594
 595         DPRINTF(("uplcom_break: onoff = %d\n", onoff));
 596
 597         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 598         req.bRequest = UCDC_SEND_BREAK;
 599         USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
 600         USETW(req.wIndex, sc->sc_iface_number);
 601         USETW(req.wLength, 0);
 602
 603         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
 604         if (err)
 605                 printf("%s: uplcom_break: %s\n",
 606                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 607 }
 608
 609 Static usbd_status
 610 uplcom_set_crtscts(struct uplcom_softc *sc)
 611 {
 612         usb_device_request_t req;
 613         usbd_status err;
 614
 615         DPRINTF(("uplcom_set_crtscts: on\n"));
 616
 617         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
 618         req.bRequest = UPLCOM_SET_REQUEST;
 619         USETW(req.wValue, 0);
 620         USETW(req.wIndex, UPLCOM_SET_CRTSCTS);
 621         USETW(req.wLength, 0);
 622
 623         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, 0);
 624         if (err) {
 625                 printf("%s: uplcom_set_crtscts: %s\n",
 626                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 627                 return (err);
 628         }
 629
 630         return (USBD_NORMAL_COMPLETION);
 631 }
 632
 633 Static usbd_status
 634 uplcom_set_line_coding(struct uplcom_softc *sc, usb_cdc_line_state_t *state)
 635 {
 636         usb_device_request_t req;
 637         usbd_status err;
 638
 639         DPRINTF((
 640 "uplcom_set_line_coding: rate = %d, fmt = %d, parity = %d bits = %d\n",
 641                  UGETDW(state->dwDTERate), state->bCharFormat,
 642                  state->bParityType, state->bDataBits));
 643
 644         if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
 645                 DPRINTF(("uplcom_set_line_coding: already set\n"));
 646                 return (USBD_NORMAL_COMPLETION);
 647         }
 648
 649         req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
 650         req.bRequest = UCDC_SET_LINE_CODING;
 651         USETW(req.wValue, 0);
 652         USETW(req.wIndex, sc->sc_iface_number);
 653         USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
 654
 655         err = usbd_do_request(sc->sc_ucom.sc_udev, &req, state);
 656         if (err) {
 657                 printf("%s: uplcom_set_line_coding: %s\n",
 658                        USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
 659                 return (err);
 660         }
 661
 662         sc->sc_line_state = *state;
 663
 664         return (USBD_NORMAL_COMPLETION);
 665 }
 666
 667 Static int
 668 uplcom_param(void *addr, int portno, struct termios *t)
 669 {
 670         struct uplcom_softc *sc = addr;
 671         usbd_status err;
 672         usb_cdc_line_state_t ls;
 673
 674         DPRINTF(("uplcom_param: sc = %p\n", sc));
 675
 676         USETDW(ls.dwDTERate, t->c_ospeed);
 677         if (ISSET(t->c_cflag, CSTOPB))
 678                 ls.bCharFormat = UCDC_STOP_BIT_2;
 679         else
 680                 ls.bCharFormat = UCDC_STOP_BIT_1;
 681         if (ISSET(t->c_cflag, PARENB)) {
 682                 if (ISSET(t->c_cflag, PARODD))
 683                         ls.bParityType = UCDC_PARITY_ODD;
 684                 else
 685                         ls.bParityType = UCDC_PARITY_EVEN;
 686         } else
 687                 ls.bParityType = UCDC_PARITY_NONE;
 688         switch (ISSET(t->c_cflag, CSIZE)) {
 689         case CS5:
 690                 ls.bDataBits = 5;
 691                 break;
 692         case CS6:
 693                 ls.bDataBits = 6;
 694                 break;
 695         case CS7:
 696                 ls.bDataBits = 7;
 697                 break;
 698         case CS8:
 699                 ls.bDataBits = 8;
 700                 break;
 701         }
 702
 703         err = uplcom_set_line_coding(sc, &ls);
 704         if (err)
 705                 return (EIO);
 706
 707         if (ISSET(t->c_cflag, CRTSCTS)) {
 708                 err = uplcom_set_crtscts(sc);
 709                 if (err)
 710                         return (EIO);
 711         }
 712
 713         return (0);
 714 }
 715
 716 Static int
 717 uplcom_open(void *addr, int portno)
 718 {
 719         struct uplcom_softc *sc = addr;
 720         int err;
 721
 722         if (sc->sc_ucom.sc_dying)
 723                 return (ENXIO);
 724
 725         DPRINTF(("uplcom_open: sc = %p\n", sc));
 726
 727         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
 728                 sc->sc_status = 0; /* clear status bit */
 729                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
 730                 err = usbd_open_pipe_intr(sc->sc_intr_iface,
 731                                           sc->sc_intr_number,
 732                                           USBD_SHORT_XFER_OK,
 733                                           &sc->sc_intr_pipe,
 734                                           sc,
 735                                           sc->sc_intr_buf,
 736                                           sc->sc_isize,
 737                                           uplcom_intr,
 738                                           uplcominterval);
 739                 if (err) {
 740                         printf("%s: cannot open interrupt pipe (addr %d)\n",
 741                                USBDEVNAME(sc->sc_ucom.sc_dev),
 742                                sc->sc_intr_number);
 743                         return (EIO);
 744                 }
 745         }
 746
 747         return (0);
 748 }
 749
 750 Static void
 751 uplcom_close(void *addr, int portno)
 752 {
 753         struct uplcom_softc *sc = addr;
 754         int err;
 755
 756         if (sc->sc_ucom.sc_dying)
 757                 return;
 758
 759         DPRINTF(("uplcom_close: close\n"));
 760
 761         if (sc->sc_intr_pipe != NULL) {
 762                 err = usbd_abort_pipe(sc->sc_intr_pipe);
 763                 if (err)
 764                         printf("%s: abort interrupt pipe failed: %s\n",
 765                                USBDEVNAME(sc->sc_ucom.sc_dev),
 766                                usbd_errstr(err));
 767                 err = usbd_close_pipe(sc->sc_intr_pipe);
 768                 if (err)
 769                         printf("%s: close interrupt pipe failed: %s\n",
 770                                USBDEVNAME(sc->sc_ucom.sc_dev),
 771                                usbd_errstr(err));
 772                 free(sc->sc_intr_buf, M_USBDEV);
 773                 sc->sc_intr_pipe = NULL;
 774         }
 775 }
 776
 777 Static void
 778 uplcom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
 779 {
 780         struct uplcom_softc *sc = priv;
 781         u_char *buf = sc->sc_intr_buf;
 782         u_char pstatus;
 783
 784         if (sc->sc_ucom.sc_dying)
 785                 return;
 786
 787         if (status != USBD_NORMAL_COMPLETION) {
 788                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
 789                         return;
 790
 791                 DPRINTF(("%s: uplcom_intr: abnormal status: %s\n",
 792                         USBDEVNAME(sc->sc_ucom.sc_dev),
 793                         usbd_errstr(status)));
 794                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
 795                 return;
 796         }
 797
 798         DPRINTF(("%s: uplcom status = %02x\n",
 799                  USBDEVNAME(sc->sc_ucom.sc_dev), buf[8]));
 800
 801         sc->sc_lsr = sc->sc_msr = 0;
 802         pstatus = buf[8];
 803         if (ISSET(pstatus, RSAQ_STATUS_CTS))
 804                 sc->sc_msr |= SER_CTS;
 805         else
 806                 sc->sc_msr &= ~SER_CTS;
 807         if (ISSET(pstatus, RSAQ_STATUS_DSR))
 808                 sc->sc_msr |= SER_DSR;
 809         else
 810                 sc->sc_msr &= ~SER_DSR;
 811         if (ISSET(pstatus, RSAQ_STATUS_DCD))
 812                 sc->sc_msr |= SER_DCD;
 813         else
 814                 sc->sc_msr &= ~SER_DCD;
 815         ucom_status_change(&sc->sc_ucom);
 816 }
 817
 818 Static void
 819 uplcom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
 820 {
 821         struct uplcom_softc *sc = addr;
 822
 823         DPRINTF(("uplcom_get_status:\n"));
 824
 825         if (lsr != NULL)
 826                 *lsr = sc->sc_lsr;
 827         if (msr != NULL)
 828                 *msr = sc->sc_msr;
 829 }
 830
 831 #if TODO
 832 Static int
 833 uplcom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
 834              usb_proc_ptr p)
 835 {
 836         struct uplcom_softc *sc = addr;
 837         int error = 0;
 838
 839         if (sc->sc_ucom.sc_dying)
 840                 return (EIO);
 841
 842         DPRINTF(("uplcom_ioctl: cmd = 0x%08lx\n", cmd));
 843
 844         switch (cmd) {
 845         case TIOCNOTTY:
 846         case TIOCMGET:
 847         case TIOCMSET:
 848         case USB_GET_CM_OVER_DATA:
 849         case USB_SET_CM_OVER_DATA:
 850                 break;
 851
 852         default:
 853                 DPRINTF(("uplcom_ioctl: unknown\n"));
 854                 error = ENOTTY;
 855                 break;
 856         }
 857
 858         return (error);
 859 }
 860 #endif