freebsd-dev/sys/dev/rp/rpvar.h
Andrew Gallatin 16676bcded Force the RxBuf and TxBuf arrays to be aligned on 16-bit boundaries to
make the driver work on alpha

approved by: tanimura
2001-11-05 12:57:46 +00:00

88 lines
2.8 KiB
C

/*
* Copyright (c) Comtrol Corporation <support@comtrol.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted prodived that the follwoing conditions
* are met.
* 1. Redistributions of source code must retain the above copyright
* notive, this list of conditions and the following disclainer.
* 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 prodided 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 Comtrol Corporation.
* 4. The name of Comtrol Corporation may not be used to endorse or
* promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``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 COMTROL CORPORATION 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, LIFE 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.
*
* $FreeBSD$
*/
/*
* rpvar.h --- RocketPort data structure includes for FreeBSD
*/
#define RP_UNIT(x) dv_unit(x)
#define RP_PORT(x) (minor(x) & 0x3f)
#define MAX_RP_PORTS 128
struct rp_port {
struct tty * rp_tty; /* cross reference */
/* Initial state */
struct termios it_in;
struct termios it_out;
/* Lock state */
struct termios lt_in;
struct termios lt_out;
/* Nonzero if callout device is open */
unsigned char active_out;
unsigned char state; /* state of dtr */
/* Time to hold DTR down on close */
int dtr_wait;
int wopeners; /* processes waiting for DCD */
int rp_port;
int rp_flags;
int rp_unit:2;
int rp_aiop:2;
int rp_chan:3;
int rp_intmask;
int rp_imask; /* Input mask */
int rp_fifo_lw;
int rp_restart;
int rp_overflows;
int rp_rts_iflow:1;
int rp_disable_writes:1;
int rp_cts:1;
int rp_waiting:1;
int rp_xmit_stopped:1;
CONTROLLER_t * rp_ctlp;
CHANNEL_t rp_channel;
unsigned short TxBuf[TXFIFO_SIZE/2 +1];
unsigned short RxBuf[RXFIFO_SIZE/2 +1];
};
/* Actually not used */
#if notdef
extern struct termios deftermios;
#endif /* notdef */