rpvar.h

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    1 /* 
    2  * Copyright (c) Comtrol Corporation <support@comtrol.com>
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted prodived that the follwoing conditions
    7  * are met.
    8  * 1. Redistributions of source code must retain the above copyright 
    9  *    notive, this list of conditions and the following disclainer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials prodided with the distribution.
   13  * 3. All advertising materials mentioning features or use of this software
   14  *    must display the following acknowledgement:
   15  *       This product includes software developed by Comtrol Corporation.
   16  * 4. The name of Comtrol Corporation may not be used to endorse or 
   17  *    promote products derived from this software without specific 
   18  *    prior written permission.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``AS IS'' AND ANY
   21  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   23  * ARE DISCLAIMED.  IN NO EVENT SHALL COMTROL CORPORATION BE LIABLE FOR
   24  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   26  * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
   27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   30  * SUCH DAMAGE.
   31  *
   32  * $FreeBSD: releng/5.3/sys/dev/rp/rpvar.h 131981 2004-07-11 15:18:39Z phk $
   33  */
   34 
   35 /*
   36  * rpvar.h --- RocketPort data structure includes for FreeBSD
   37  */
   38 
   39 #define RP_UNIT(x) dv_unit(x)
   40 #define RP_PORT(x) (minor(x) & 0x3f)
   41 #define MAX_RP_PORTS    128
   42 
   43 
   44 struct rp_port {
   45         struct tty *            rp_tty; /* cross reference */
   46 
   47 /* Initial state */
   48         struct termios          it_in;
   49         struct termios          it_out;
   50 
   51 /* Lock state */
   52         struct termios          lt_in;
   53         struct termios          lt_out;
   54 
   55 /* Nonzero if callout device is open */
   56         unsigned char           active_out;
   57         unsigned char           state;  /* state of dtr */
   58 
   59 /* Time to hold DTR down on close */
   60         int                     wopeners;       /* processes waiting for DCD */
   61 
   62         int                     rp_port;
   63         int                     rp_flags;
   64         int                     rp_unit:2;
   65         int                     rp_aiop:2;
   66         int                     rp_chan:3;
   67         int                     rp_intmask;
   68         int                     rp_imask; /* Input mask */
   69         int                     rp_fifo_lw;
   70         int                     rp_restart;
   71         int                     rp_overflows;
   72         int                     rp_rts_iflow:1;
   73         int                     rp_disable_writes:1;
   74         int                     rp_cts:1;
   75         int                     rp_waiting:1;
   76         int                     rp_xmit_stopped:1;
   77         CONTROLLER_t *          rp_ctlp;
   78         CHANNEL_t               rp_channel;
   79         unsigned short          TxBuf[TXFIFO_SIZE/2 +1];
   80         unsigned short          RxBuf[RXFIFO_SIZE/2 +1];
   81 };
   82 
   83 /* Actually not used */
   84 #if notdef
   85 extern struct termios deftermios;
   86 #endif /* notdef */

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FreeBSD/Linux Kernel Cross Reference sys/dev/rp/rpvar.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/rp/rpvar.h