The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/uvscom.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: uvscom.c,v 1.11 2004/01/05 13:28:18 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 1.1 2002/03/18 18:23:39 joe Exp $
   28  */
   29 
   30 /*
   31  * uvscom: SUNTAC Slipper U VS-10U driver.
   32  * Slipper U is a PC card to USB converter for data communication card
   33  * adapter.  It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in,
   34  * P-in m@ater and various data communication card adapters.
   35  */
   36 
   37 #include <sys/cdefs.h>
   38 __KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.11 2004/01/05 13:28:18 augustss Exp $");
   39 
   40 #include <sys/param.h>
   41 #include <sys/systm.h>
   42 #include <sys/kernel.h>
   43 #include <sys/malloc.h>
   44 #include <sys/fcntl.h>
   45 #include <sys/conf.h>
   46 #include <sys/tty.h>
   47 #include <sys/file.h>
   48 #if defined(__FreeBSD__)
   49 #include <sys/bus.h>
   50 #include <sys/ioccom.h>
   51 #if __FreeBSD_version >= 500014
   52 #include <sys/selinfo.h>
   53 #else
   54 #include <sys/select.h>
   55 #endif
   56 #else
   57 #include <sys/ioctl.h>
   58 #include <sys/device.h>
   59 #endif
   60 #include <sys/proc.h>
   61 #include <sys/poll.h>
   62 
   63 #include <dev/usb/usb.h>
   64 #include <dev/usb/usbcdc.h>
   65 
   66 #include <dev/usb/usbdi.h>
   67 #include <dev/usb/usbdi_util.h>
   68 #include <dev/usb/usbdevs.h>
   69 #include <dev/usb/usb_quirks.h>
   70 
   71 #include <dev/usb/ucomvar.h>
   72 
   73 #ifdef UVSCOM_DEBUG
   74 static int      uvscomdebug = 1;
   75 
   76 #if defined(__FreeBSD__)
   77 #include <sys/sysctl.h>
   78 
   79 SYSCTL_DECL(_debug_usb);
   80 SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
   81            &uvscomdebug, 0, "uvscom debug level");
   82 
   83 #endif
   84 
   85 #define DPRINTFN(n, x)  do { \
   86                                 if (uvscomdebug > (n)) \
   87                                         logprintf x; \
   88                         } while (0)
   89 #else
   90 #define DPRINTFN(n, x)
   91 #endif
   92 #define DPRINTF(x) DPRINTFN(0, x)
   93 
   94 #if defined(__FreeBSD__)
   95 #define UVSCOM_MODVER           1       /* module version */
   96 #endif
   97 
   98 #define UVSCOM_CONFIG_INDEX     0
   99 #define UVSCOM_IFACE_INDEX      0
  100 
  101 #define UVSCOM_INTR_INTERVAL    100     /* mS */
  102 
  103 #define UVSCOM_UNIT_WAIT        5
  104 
  105 /* Request */
  106 #define UVSCOM_SET_SPEED        0x10
  107 #define UVSCOM_LINE_CTL         0x11
  108 #define UVSCOM_SET_PARAM        0x12
  109 #define UVSCOM_READ_STATUS      0xd0
  110 #define UVSCOM_SHUTDOWN         0xe0
  111 
  112 /* UVSCOM_SET_SPEED parameters */
  113 #define UVSCOM_SPEED_150BPS     0x00
  114 #define UVSCOM_SPEED_300BPS     0x01
  115 #define UVSCOM_SPEED_600BPS     0x02
  116 #define UVSCOM_SPEED_1200BPS    0x03
  117 #define UVSCOM_SPEED_2400BPS    0x04
  118 #define UVSCOM_SPEED_4800BPS    0x05
  119 #define UVSCOM_SPEED_9600BPS    0x06
  120 #define UVSCOM_SPEED_19200BPS   0x07
  121 #define UVSCOM_SPEED_38400BPS   0x08
  122 #define UVSCOM_SPEED_57600BPS   0x09
  123 #define UVSCOM_SPEED_115200BPS  0x0a
  124 
  125 /* UVSCOM_LINE_CTL parameters */
  126 #define UVSCOM_BREAK            0x40
  127 #define UVSCOM_RTS              0x02
  128 #define UVSCOM_DTR              0x01
  129 #define UVSCOM_LINE_INIT        0x08
  130 
  131 /* UVSCOM_SET_PARAM parameters */
  132 #define UVSCOM_DATA_MASK        0x03
  133 #define UVSCOM_DATA_BIT_8       0x03
  134 #define UVSCOM_DATA_BIT_7       0x02
  135 #define UVSCOM_DATA_BIT_6       0x01
  136 #define UVSCOM_DATA_BIT_5       0x00
  137 
  138 #define UVSCOM_STOP_MASK        0x04
  139 #define UVSCOM_STOP_BIT_2       0x04
  140 #define UVSCOM_STOP_BIT_1       0x00
  141 
  142 #define UVSCOM_PARITY_MASK      0x18
  143 #define UVSCOM_PARITY_EVEN      0x18
  144 #if 0
  145 #define UVSCOM_PARITY_UNK       0x10
  146 #endif
  147 #define UVSCOM_PARITY_ODD       0x08
  148 #define UVSCOM_PARITY_NONE      0x00
  149 
  150 /* Status bits */
  151 #define UVSCOM_TXRDY            0x04
  152 #define UVSCOM_RXRDY            0x01
  153 
  154 #define UVSCOM_DCD              0x08
  155 #define UVSCOM_NOCARD           0x04
  156 #define UVSCOM_DSR              0x02
  157 #define UVSCOM_CTS              0x01
  158 #define UVSCOM_USTAT_MASK       (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS)
  159 
  160 struct  uvscom_softc {
  161         USBBASEDEVICE           sc_dev;         /* base device */
  162         usbd_device_handle      sc_udev;        /* USB device */
  163         usbd_interface_handle   sc_iface;       /* interface */
  164         int                     sc_iface_number;/* interface number */
  165 
  166         usbd_interface_handle   sc_intr_iface;  /* interrupt interface */
  167         int                     sc_intr_number; /* interrupt number */
  168         usbd_pipe_handle        sc_intr_pipe;   /* interrupt pipe */
  169         u_char                  *sc_intr_buf;   /* interrupt buffer */
  170         int                     sc_isize;
  171 
  172         u_char                  sc_dtr;         /* current DTR state */
  173         u_char                  sc_rts;         /* current RTS state */
  174 
  175         u_char                  sc_lsr;         /* Local status register */
  176         u_char                  sc_msr;         /* uvscom status register */
  177 
  178         uint16_t                sc_lcr;         /* Line control */
  179         u_char                  sc_usr;         /* unit status */
  180 
  181         device_ptr_t            sc_subdev;      /* ucom device */
  182         u_char                  sc_dying;       /* disconnecting */
  183 };
  184 
  185 /*
  186  * These are the maximum number of bytes transferred per frame.
  187  * The output buffer size cannot be increased due to the size encoding.
  188  */
  189 #define UVSCOMIBUFSIZE 512
  190 #define UVSCOMOBUFSIZE 64
  191 
  192 Static  usbd_status uvscom_readstat(struct uvscom_softc *);
  193 Static  usbd_status uvscom_shutdown(struct uvscom_softc *);
  194 Static  usbd_status uvscom_reset(struct uvscom_softc *);
  195 Static  usbd_status uvscom_set_line_coding(struct uvscom_softc *,
  196                                            uint16_t, uint16_t);
  197 Static  usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t);
  198 Static  usbd_status uvscom_set_crtscts(struct uvscom_softc *);
  199 Static  void uvscom_get_status(void *, int, u_char *, u_char *);
  200 Static  void uvscom_dtr(struct uvscom_softc *, int);
  201 Static  void uvscom_rts(struct uvscom_softc *, int);
  202 Static  void uvscom_break(struct uvscom_softc *, int);
  203 
  204 Static  void uvscom_set(void *, int, int, int);
  205 Static  void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
  206 Static  int  uvscom_param(void *, int, struct termios *);
  207 Static  int  uvscom_open(void *, int);
  208 Static  void uvscom_close(void *, int);
  209 
  210 struct ucom_methods uvscom_methods = {
  211         uvscom_get_status,
  212         uvscom_set,
  213         uvscom_param,
  214         NULL, /* uvscom_ioctl, TODO */
  215         uvscom_open,
  216         uvscom_close,
  217         NULL,
  218         NULL
  219 };
  220 
  221 static const struct usb_devno uvscom_devs [] = {
  222         /* SUNTAC U-Cable type D2 */
  223         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
  224         /* SUNTAC U-Cable type P1 */
  225         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
  226         /* SUNTAC Slipper U  */
  227         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
  228         /* SUNTAC Ir-Trinity */
  229         { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
  230 };
  231 #define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
  232 
  233 USB_DECLARE_DRIVER(uvscom);
  234 
  235 #ifdef __FreeBSD__
  236 Static device_probe_t uvscom_match;
  237 Static device_attach_t uvscom_attach;
  238 Static device_detach_t uvscom_detach;
  239 
  240 Static device_method_t uvscom_methods[] = {
  241         /* Device interface */
  242         DEVMETHOD(device_probe, uvscom_match),
  243         DEVMETHOD(device_attach, uvscom_attach),
  244         DEVMETHOD(device_detach, uvscom_detach),
  245         { 0, 0 }
  246 };
  247 
  248 Static driver_t uvscom_driver = {
  249         "usio",
  250         uvscom_methods,
  251         sizeof (struct uvscom_softc)
  252 };
  253 
  254 DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
  255 MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
  256 MODULE_VERSION(uvscom, UVSCOM_MODVER);
  257 #endif
  258 
  259 USB_MATCH(uvscom)
  260 {
  261         USB_MATCH_START(uvscom, uaa);
  262 
  263         if (uaa->iface != NULL)
  264                 return (UMATCH_NONE);
  265 
  266         return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
  267                 UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
  268 }
  269 
  270 USB_ATTACH(uvscom)
  271 {
  272         USB_ATTACH_START(uvscom, sc, uaa);
  273         usbd_device_handle dev = uaa->device;
  274         usb_config_descriptor_t *cdesc;
  275         usb_interface_descriptor_t *id;
  276         usb_endpoint_descriptor_t *ed;
  277         char devinfo[1024];
  278         const char *devname = USBDEVNAME(sc->sc_dev);
  279         usbd_status err;
  280         int i;
  281         struct ucom_attach_args uca;
  282 
  283         usbd_devinfo(dev, 0, devinfo);
  284         USB_ATTACH_SETUP;
  285         printf("%s: %s\n", devname, devinfo);
  286 
  287         sc->sc_udev = dev;
  288 
  289         DPRINTF(("uvscom attach: sc = %p\n", sc));
  290 
  291         /* initialize endpoints */
  292         uca.bulkin = uca.bulkout = -1;
  293         sc->sc_intr_number = -1;
  294         sc->sc_intr_pipe = NULL;
  295 
  296         /* Move the device into the configured state. */
  297         err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1);
  298         if (err) {
  299                 printf("%s: failed to set configuration, err=%s\n",
  300                         devname, usbd_errstr(err));
  301                 sc->sc_dying = 1;
  302                 USB_ATTACH_ERROR_RETURN;
  303         }
  304 
  305         /* get the config descriptor */
  306         cdesc = usbd_get_config_descriptor(sc->sc_udev);
  307 
  308         if (cdesc == NULL) {
  309                 printf("%s: failed to get configuration descriptor\n",
  310                         USBDEVNAME(sc->sc_dev));
  311                 sc->sc_dying = 1;
  312                 USB_ATTACH_ERROR_RETURN;
  313         }
  314 
  315         /* get the common interface */
  316         err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
  317                                            &sc->sc_iface);
  318         if (err) {
  319                 printf("%s: failed to get interface, err=%s\n",
  320                         devname, usbd_errstr(err));
  321                 sc->sc_dying = 1;
  322                 USB_ATTACH_ERROR_RETURN;
  323         }
  324 
  325         id = usbd_get_interface_descriptor(sc->sc_iface);
  326         sc->sc_iface_number = id->bInterfaceNumber;
  327 
  328         /* Find endpoints */
  329         for (i = 0; i < id->bNumEndpoints; i++) {
  330                 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
  331                 if (ed == NULL) {
  332                         printf("%s: no endpoint descriptor for %d\n",
  333                                 USBDEVNAME(sc->sc_dev), i);
  334                         sc->sc_dying = 1;
  335                         USB_ATTACH_ERROR_RETURN;
  336                 }
  337 
  338                 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
  339                     UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
  340                         uca.bulkin = ed->bEndpointAddress;
  341                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
  342                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
  343                         uca.bulkout = ed->bEndpointAddress;
  344                 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
  345                            UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
  346                         sc->sc_intr_number = ed->bEndpointAddress;
  347                         sc->sc_isize = UGETW(ed->wMaxPacketSize);
  348                 }
  349         }
  350 
  351         if (uca.bulkin == -1) {
  352                 printf("%s: Could not find data bulk in\n",
  353                         USBDEVNAME(sc->sc_dev));
  354                 sc->sc_dying = 1;
  355                 USB_ATTACH_ERROR_RETURN;
  356         }
  357         if (uca.bulkout == -1) {
  358                 printf("%s: Could not find data bulk out\n",
  359                         USBDEVNAME(sc->sc_dev));
  360                 sc->sc_dying = 1;
  361                 USB_ATTACH_ERROR_RETURN;
  362         }
  363         if (sc->sc_intr_number == -1) {
  364                 printf("%s: Could not find interrupt in\n",
  365                         USBDEVNAME(sc->sc_dev));
  366                 sc->sc_dying = 1;
  367                 USB_ATTACH_ERROR_RETURN;
  368         }
  369 
  370         sc->sc_dtr = sc->sc_rts = 0;
  371         sc->sc_lcr = UVSCOM_LINE_INIT;
  372 
  373         uca.portno = UCOM_UNK_PORTNO;
  374         /* bulkin, bulkout set above */
  375         uca.ibufsize = UVSCOMIBUFSIZE;
  376         uca.obufsize = UVSCOMOBUFSIZE;
  377         uca.ibufsizepad = UVSCOMIBUFSIZE;
  378         uca.opkthdrlen = 0;
  379         uca.device = dev;
  380         uca.iface = sc->sc_iface;
  381         uca.methods = &uvscom_methods;
  382         uca.arg = sc;
  383         uca.info = NULL;
  384 
  385         err = uvscom_reset(sc);
  386 
  387         if (err) {
  388                 printf("%s: reset failed, %s\n", USBDEVNAME(sc->sc_dev),
  389                         usbd_errstr(err));
  390                 sc->sc_dying = 1;
  391                 USB_ATTACH_ERROR_RETURN;
  392         }
  393 
  394         DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
  395                  ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number));
  396 
  397         usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
  398                            USBDEV(sc->sc_dev));
  399 
  400         DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
  401                         uca.bulkin, uca.bulkout, sc->sc_intr_number ));
  402         sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
  403 
  404         USB_ATTACH_SUCCESS_RETURN;
  405 }
  406 
  407 USB_DETACH(uvscom)
  408 {
  409         USB_DETACH_START(uvscom, sc);
  410         int rv = 0;
  411 
  412         DPRINTF(("uvscom_detach: sc = %p\n", sc));
  413 
  414         sc->sc_dying = 1;
  415 
  416         if (sc->sc_intr_pipe != NULL) {
  417                 usbd_abort_pipe(sc->sc_intr_pipe);
  418                 usbd_close_pipe(sc->sc_intr_pipe);
  419                 free(sc->sc_intr_buf, M_USBDEV);
  420                 sc->sc_intr_pipe = NULL;
  421         }
  422 
  423         sc->sc_dying = 1;
  424         if (sc->sc_subdev != NULL) {
  425                 rv = config_detach(sc->sc_subdev, flags);
  426                 sc->sc_subdev = NULL;
  427         }
  428 
  429         usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
  430                            USBDEV(sc->sc_dev));
  431 
  432         return (rv);
  433 }
  434 
  435 int
  436 uvscom_activate(device_ptr_t self, enum devact act)
  437 {
  438         struct uvscom_softc *sc = (struct uvscom_softc *)self;
  439         int rv = 0;
  440 
  441         switch (act) {
  442         case DVACT_ACTIVATE:
  443                 return (EOPNOTSUPP);
  444 
  445         case DVACT_DEACTIVATE:
  446                 if (sc->sc_subdev != NULL)
  447                         rv = config_deactivate(sc->sc_subdev);
  448                 sc->sc_dying = 1;
  449                 break;
  450         }
  451         return (rv);
  452 }
  453 
  454 Static usbd_status
  455 uvscom_readstat(struct uvscom_softc *sc)
  456 {
  457         usb_device_request_t req;
  458         usbd_status err;
  459         uint16_t r;
  460 
  461         DPRINTF(("%s: send readstat\n", USBDEVNAME(sc->sc_dev)));
  462 
  463         req.bmRequestType = UT_READ_VENDOR_DEVICE;
  464         req.bRequest = UVSCOM_READ_STATUS;
  465         USETW(req.wValue, 0);
  466         USETW(req.wIndex, 0);
  467         USETW(req.wLength, 2);
  468 
  469         err = usbd_do_request(sc->sc_udev, &req, &r);
  470         if (err) {
  471                 printf("%s: uvscom_readstat: %s\n",
  472                        USBDEVNAME(sc->sc_dev), usbd_errstr(err));
  473                 return (err);
  474         }
  475 
  476         DPRINTF(("%s: uvscom_readstat: r = %d\n",
  477                  USBDEVNAME(sc->sc_dev), r));
  478 
  479         return (USBD_NORMAL_COMPLETION);
  480 }
  481 
  482 Static usbd_status
  483 uvscom_shutdown(struct uvscom_softc *sc)
  484 {
  485         usb_device_request_t req;
  486         usbd_status err;
  487 
  488         DPRINTF(("%s: send shutdown\n", USBDEVNAME(sc->sc_dev)));
  489 
  490         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  491         req.bRequest = UVSCOM_SHUTDOWN;
  492         USETW(req.wValue, 0);
  493         USETW(req.wIndex, 0);
  494         USETW(req.wLength, 0);
  495 
  496         err = usbd_do_request(sc->sc_udev, &req, NULL);
  497         if (err) {
  498                 printf("%s: uvscom_shutdown: %s\n",
  499                        USBDEVNAME(sc->sc_dev), usbd_errstr(err));
  500                 return (err);
  501         }
  502 
  503         return (USBD_NORMAL_COMPLETION);
  504 }
  505 
  506 Static usbd_status
  507 uvscom_reset(struct uvscom_softc *sc)
  508 {
  509         DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(sc->sc_dev)));
  510 
  511         return (USBD_NORMAL_COMPLETION);
  512 }
  513 
  514 Static usbd_status
  515 uvscom_set_crtscts(struct uvscom_softc *sc)
  516 {
  517         DPRINTF(("%s: uvscom_set_crtscts\n", USBDEVNAME(sc->sc_dev)));
  518 
  519         return (USBD_NORMAL_COMPLETION);
  520 }
  521 
  522 Static usbd_status
  523 uvscom_set_line(struct uvscom_softc *sc, uint16_t line)
  524 {
  525         usb_device_request_t req;
  526         usbd_status err;
  527 
  528         DPRINTF(("%s: uvscom_set_line: %04x\n",
  529                  USBDEVNAME(sc->sc_dev), line));
  530 
  531         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  532         req.bRequest = UVSCOM_LINE_CTL;
  533         USETW(req.wValue, line);
  534         USETW(req.wIndex, 0);
  535         USETW(req.wLength, 0);
  536 
  537         err = usbd_do_request(sc->sc_udev, &req, NULL);
  538         if (err) {
  539                 printf("%s: uvscom_set_line: %s\n",
  540                        USBDEVNAME(sc->sc_dev), usbd_errstr(err));
  541                 return (err);
  542         }
  543 
  544         return (USBD_NORMAL_COMPLETION);
  545 }
  546 
  547 Static usbd_status
  548 uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls)
  549 {
  550         usb_device_request_t req;
  551         usbd_status err;
  552 
  553         DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n",
  554                  USBDEVNAME(sc->sc_dev), lsp, ls));
  555 
  556         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  557         req.bRequest = UVSCOM_SET_SPEED;
  558         USETW(req.wValue, lsp);
  559         USETW(req.wIndex, 0);
  560         USETW(req.wLength, 0);
  561 
  562         err = usbd_do_request(sc->sc_udev, &req, NULL);
  563         if (err) {
  564                 printf("%s: uvscom_set_line_coding: %s\n",
  565                        USBDEVNAME(sc->sc_dev), usbd_errstr(err));
  566                 return (err);
  567         }
  568 
  569         req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
  570         req.bRequest = UVSCOM_SET_PARAM;
  571         USETW(req.wValue, ls);
  572         USETW(req.wIndex, 0);
  573         USETW(req.wLength, 0);
  574 
  575         err = usbd_do_request(sc->sc_udev, &req, NULL);
  576         if (err) {
  577                 printf("%s: uvscom_set_line_coding: %s\n",
  578                        USBDEVNAME(sc->sc_dev), usbd_errstr(err));
  579                 return (err);
  580         }
  581 
  582         return (USBD_NORMAL_COMPLETION);
  583 }
  584 
  585 Static void
  586 uvscom_dtr(struct uvscom_softc *sc, int onoff)
  587 {
  588         DPRINTF(("%s: uvscom_dtr: onoff = %d\n",
  589                  USBDEVNAME(sc->sc_dev), onoff));
  590 
  591         if (sc->sc_dtr == onoff)
  592                 return;                 /* no change */
  593 
  594         sc->sc_dtr = onoff;
  595 
  596         if (onoff)
  597                 SET(sc->sc_lcr, UVSCOM_DTR);
  598         else
  599                 CLR(sc->sc_lcr, UVSCOM_DTR);
  600 
  601         uvscom_set_line(sc, sc->sc_lcr);
  602 }
  603 
  604 Static void
  605 uvscom_rts(struct uvscom_softc *sc, int onoff)
  606 {
  607         DPRINTF(("%s: uvscom_rts: onoff = %d\n",
  608                  USBDEVNAME(sc->sc_dev), onoff));
  609 
  610         if (sc->sc_rts == onoff)
  611                 return;                 /* no change */
  612 
  613         sc->sc_rts = onoff;
  614 
  615         if (onoff)
  616                 SET(sc->sc_lcr, UVSCOM_RTS);
  617         else
  618                 CLR(sc->sc_lcr, UVSCOM_RTS);
  619 
  620         uvscom_set_line(sc, sc->sc_lcr);
  621 }
  622 
  623 Static void
  624 uvscom_break(struct uvscom_softc *sc, int onoff)
  625 {
  626         DPRINTF(("%s: uvscom_break: onoff = %d\n",
  627                  USBDEVNAME(sc->sc_dev), onoff));
  628 
  629         if (onoff)
  630                 uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK));
  631 }
  632 
  633 Static void
  634 uvscom_set(void *addr, int portno, int reg, int onoff)
  635 {
  636         struct uvscom_softc *sc = addr;
  637 
  638         switch (reg) {
  639         case UCOM_SET_DTR:
  640                 uvscom_dtr(sc, onoff);
  641                 break;
  642         case UCOM_SET_RTS:
  643                 uvscom_rts(sc, onoff);
  644                 break;
  645         case UCOM_SET_BREAK:
  646                 uvscom_break(sc, onoff);
  647                 break;
  648         default:
  649                 break;
  650         }
  651 }
  652 
  653 Static int
  654 uvscom_param(void *addr, int portno, struct termios *t)
  655 {
  656         struct uvscom_softc *sc = addr;
  657         usbd_status err;
  658         uint16_t lsp;
  659         uint16_t ls;
  660 
  661         DPRINTF(("%s: uvscom_param: sc = %p\n",
  662                  USBDEVNAME(sc->sc_dev), sc));
  663 
  664         ls = 0;
  665 
  666         switch (t->c_ospeed) {
  667         case B150:
  668                 lsp = UVSCOM_SPEED_150BPS;
  669                 break;
  670         case B300:
  671                 lsp = UVSCOM_SPEED_300BPS;
  672                 break;
  673         case B600:
  674                 lsp = UVSCOM_SPEED_600BPS;
  675                 break;
  676         case B1200:
  677                 lsp = UVSCOM_SPEED_1200BPS;
  678                 break;
  679         case B2400:
  680                 lsp = UVSCOM_SPEED_2400BPS;
  681                 break;
  682         case B4800:
  683                 lsp = UVSCOM_SPEED_4800BPS;
  684                 break;
  685         case B9600:
  686                 lsp = UVSCOM_SPEED_9600BPS;
  687                 break;
  688         case B19200:
  689                 lsp = UVSCOM_SPEED_19200BPS;
  690                 break;
  691         case B38400:
  692                 lsp = UVSCOM_SPEED_38400BPS;
  693                 break;
  694         case B57600:
  695                 lsp = UVSCOM_SPEED_57600BPS;
  696                 break;
  697         case B115200:
  698                 lsp = UVSCOM_SPEED_115200BPS;
  699                 break;
  700         default:
  701                 return (EIO);
  702         }
  703 
  704         if (ISSET(t->c_cflag, CSTOPB))
  705                 SET(ls, UVSCOM_STOP_BIT_2);
  706         else
  707                 SET(ls, UVSCOM_STOP_BIT_1);
  708 
  709         if (ISSET(t->c_cflag, PARENB)) {
  710                 if (ISSET(t->c_cflag, PARODD))
  711                         SET(ls, UVSCOM_PARITY_ODD);
  712                 else
  713                         SET(ls, UVSCOM_PARITY_EVEN);
  714         } else
  715                 SET(ls, UVSCOM_PARITY_NONE);
  716 
  717         switch (ISSET(t->c_cflag, CSIZE)) {
  718         case CS5:
  719                 SET(ls, UVSCOM_DATA_BIT_5);
  720                 break;
  721         case CS6:
  722                 SET(ls, UVSCOM_DATA_BIT_6);
  723                 break;
  724         case CS7:
  725                 SET(ls, UVSCOM_DATA_BIT_7);
  726                 break;
  727         case CS8:
  728                 SET(ls, UVSCOM_DATA_BIT_8);
  729                 break;
  730         default:
  731                 return (EIO);
  732         }
  733 
  734         err = uvscom_set_line_coding(sc, lsp, ls);
  735         if (err)
  736                 return (EIO);
  737 
  738         if (ISSET(t->c_cflag, CRTSCTS)) {
  739                 err = uvscom_set_crtscts(sc);
  740                 if (err)
  741                         return (EIO);
  742         }
  743 
  744         return (0);
  745 }
  746 
  747 Static int
  748 uvscom_open(void *addr, int portno)
  749 {
  750         struct uvscom_softc *sc = addr;
  751         int err;
  752         int i;
  753 
  754         if (sc->sc_dying)
  755                 return (EIO);
  756 
  757         DPRINTF(("uvscom_open: sc = %p\n", sc));
  758 
  759         if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
  760                 DPRINTF(("uvscom_open: open interrupt pipe.\n"));
  761 
  762                 sc->sc_usr = 0;         /* clear unit status */
  763 
  764                 err = uvscom_readstat(sc);
  765                 if (err) {
  766                         DPRINTF(("%s: uvscom_open: readstat faild\n",
  767                                  USBDEVNAME(sc->sc_dev)));
  768                         return (EIO);
  769                 }
  770 
  771                 sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
  772                 err = usbd_open_pipe_intr(sc->sc_iface,
  773                                           sc->sc_intr_number,
  774                                           USBD_SHORT_XFER_OK,
  775                                           &sc->sc_intr_pipe,
  776                                           sc,
  777                                           sc->sc_intr_buf,
  778                                           sc->sc_isize,
  779                                           uvscom_intr,
  780                                           UVSCOM_INTR_INTERVAL);
  781                 if (err) {
  782                         printf("%s: cannot open interrupt pipe (addr %d)\n",
  783                                  USBDEVNAME(sc->sc_dev),
  784                                  sc->sc_intr_number);
  785                         return (EIO);
  786                 }
  787         } else {
  788                 DPRINTF(("uvscom_open: did not open interrupt pipe.\n"));
  789         }
  790 
  791         if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) {
  792                 /* unit is not ready */
  793 
  794                 for (i = UVSCOM_UNIT_WAIT; i > 0; --i) {
  795                         tsleep(&err, TTIPRI, "uvsop", hz);      /* XXX */
  796                         if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
  797                                 break;
  798                 }
  799                 if (i == 0) {
  800                         DPRINTF(("%s: unit is not ready\n",
  801                                  USBDEVNAME(sc->sc_dev)));
  802                         return (EIO);
  803                 }
  804 
  805                 /* check PC card was inserted */
  806                 if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
  807                         DPRINTF(("%s: no card\n",
  808                                  USBDEVNAME(sc->sc_dev)));
  809                         return (EIO);
  810                 }
  811         }
  812 
  813         return (0);
  814 }
  815 
  816 Static void
  817 uvscom_close(void *addr, int portno)
  818 {
  819         struct uvscom_softc *sc = addr;
  820         int err;
  821 
  822         if (sc->sc_dying)
  823                 return;
  824 
  825         DPRINTF(("uvscom_close: close\n"));
  826 
  827         uvscom_shutdown(sc);
  828 
  829         if (sc->sc_intr_pipe != NULL) {
  830                 err = usbd_abort_pipe(sc->sc_intr_pipe);
  831                 if (err)
  832                         printf("%s: abort interrupt pipe failed: %s\n",
  833                                 USBDEVNAME(sc->sc_dev),
  834                                            usbd_errstr(err));
  835                 err = usbd_close_pipe(sc->sc_intr_pipe);
  836                 if (err)
  837                         printf("%s: close interrupt pipe failed: %s\n",
  838                                 USBDEVNAME(sc->sc_dev),
  839                                            usbd_errstr(err));
  840                 free(sc->sc_intr_buf, M_USBDEV);
  841                 sc->sc_intr_pipe = NULL;
  842         }
  843 }
  844 
  845 Static void
  846 uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
  847 {
  848         struct uvscom_softc *sc = priv;
  849         u_char *buf = sc->sc_intr_buf;
  850         u_char pstatus;
  851 
  852         if (sc->sc_dying)
  853                 return;
  854 
  855         if (status != USBD_NORMAL_COMPLETION) {
  856                 if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
  857                         return;
  858 
  859                 printf("%s: uvscom_intr: abnormal status: %s\n",
  860                         USBDEVNAME(sc->sc_dev),
  861                         usbd_errstr(status));
  862                 usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
  863                 return;
  864         }
  865 
  866         DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
  867                  USBDEVNAME(sc->sc_dev), buf[0], buf[1]));
  868 
  869         sc->sc_lsr = sc->sc_msr = 0;
  870         sc->sc_usr = buf[1];
  871 
  872         pstatus = buf[0];
  873         if (ISSET(pstatus, UVSCOM_TXRDY))
  874                 SET(sc->sc_lsr, ULSR_TXRDY);
  875         if (ISSET(pstatus, UVSCOM_RXRDY))
  876                 SET(sc->sc_lsr, ULSR_RXRDY);
  877 
  878         pstatus = buf[1];
  879         if (ISSET(pstatus, UVSCOM_CTS))
  880                 SET(sc->sc_msr, UMSR_CTS);
  881         if (ISSET(pstatus, UVSCOM_DSR))
  882                 SET(sc->sc_msr, UMSR_DSR);
  883         if (ISSET(pstatus, UVSCOM_DCD))
  884                 SET(sc->sc_msr, UMSR_DCD);
  885 
  886         ucom_status_change((struct ucom_softc *) sc->sc_subdev);
  887 }
  888 
  889 Static void
  890 uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
  891 {
  892         struct uvscom_softc *sc = addr;
  893 
  894         if (lsr != NULL)
  895                 *lsr = sc->sc_lsr;
  896         if (msr != NULL)
  897                 *msr = sc->sc_msr;
  898 }
  899 

Cache object: 98f62d81e9f4e564123d5136990b5d69


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.