FreeBSD/Linux Kernel Cross Reference
sys/dev/usb/ucomvar.h

     /*      $NetBSD: ucomvar.h,v 1.10 2001/12/31 12:15:21 augustss Exp $    */
     
     /*
      * Copyright (c) 1999 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Lennart Augustsson (lennart@augustsson.net) at
      * Carlstedt Research & Technology.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *        This product includes software developed by the NetBSD
     *        Foundation, Inc. and its contributors.
     * 4. Neither the name of The NetBSD Foundation nor the names of its
     *    contributors may be used to endorse or promote products derived
     *    from this software without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    
    /* Macros to clear/set/test flags. */
    #define SET(t, f)       (t) |= (f)
    #define CLR(t, f)       (t) &= ~(f)
    #define ISSET(t, f)     ((t) & (f))
    
    #include "locators.h"
    #define ucomcf_portno cf_loc[UCOMBUSCF_PORTNO]
    #define UCOM_UNK_PORTNO UCOMBUSCF_PORTNO_DEFAULT
    
    struct  ucom_softc;
    
    struct ucom_methods {
            void (*ucom_get_status)(void *sc, int portno, u_char *lsr, u_char *msr);
            void (*ucom_set)(void *sc, int portno, int reg, int onoff);
    #define UCOM_SET_DTR 1
    #define UCOM_SET_RTS 2
    #define UCOM_SET_BREAK 3
            int (*ucom_param)(void *sc, int portno, struct termios *);
            int (*ucom_ioctl)(void *sc, int portno, u_long cmd,
                              caddr_t data, int flag, usb_proc_ptr p);
            int (*ucom_open)(void *sc, int portno);
            void (*ucom_close)(void *sc, int portno);
            void (*ucom_read)(void *sc, int portno, u_char **ptr, u_int32_t *count);
            void (*ucom_write)(void *sc, int portno, u_char *to, u_char *from,
                               u_int32_t *count);
    };
    
    /* modem control register */
    #define UMCR_RTS        0x02    /* Request To Send */
    #define UMCR_DTR        0x01    /* Data Terminal Ready */
    
    /* line status register */
    #define ULSR_RCV_FIFO   0x80
    #define ULSR_TSRE       0x40    /* Transmitter empty: byte sent */
    #define ULSR_TXRDY      0x20    /* Transmitter buffer empty */
    #define ULSR_BI         0x10    /* Break detected */
    #define ULSR_FE         0x08    /* Framing error: bad stop bit */
    #define ULSR_PE         0x04    /* Parity error */
    #define ULSR_OE         0x02    /* Overrun, lost incoming byte */
    #define ULSR_RXRDY      0x01    /* Byte ready in Receive Buffer */
    #define ULSR_RCV_MASK   0x1f    /* Mask for incoming data or error */
    
    /* modem status register */
    /* All deltas are from the last read of the MSR. */
    #define UMSR_DCD        0x80    /* Current Data Carrier Detect */
    #define UMSR_RI         0x40    /* Current Ring Indicator */
    #define UMSR_DSR        0x20    /* Current Data Set Ready */
    #define UMSR_CTS        0x10    /* Current Clear to Send */
    #define UMSR_DDCD       0x08    /* DCD has changed state */
    #define UMSR_TERI       0x04    /* RI has toggled low to high */
    #define UMSR_DDSR       0x02    /* DSR has changed state */
    #define UMSR_DCTS       0x01    /* CTS has changed state */
    
    struct ucom_attach_args {
            int portno;
            int bulkin;
            int bulkout;
            u_int ibufsize;
            u_int ibufsizepad;
           u_int obufsize;
           u_int opkthdrlen;
           const char *info;       /* attach message */
           usbd_device_handle device;
           usbd_interface_handle iface;
           struct ucom_methods *methods;
           void *arg;
   };
   
   int ucomprint(void *aux, const char *pnp);
   int ucomsubmatch(struct device *parent, struct cfdata *cf, void *aux);
   void ucom_status_change(struct ucom_softc *);

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