xref: /freebsd-12.1/sys/dev/rp/rpvar.h (revision 718cf2cc)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) Comtrol Corporation <[email protected]>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted prodived that the follwoing conditions
9  * are met.
10  * 1. Redistributions of source code must retain the above copyright
11  *    notive, this list of conditions and the following disclainer.
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 prodided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *       This product includes software developed by Comtrol Corporation.
18  * 4. The name of Comtrol Corporation may not be used to endorse or
19  *    promote products derived from this software without specific
20  *    prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``AS IS'' AND ANY
23  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL COMTROL CORPORATION BE LIABLE FOR
26  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 
37 /*
38  * rpvar.h --- RocketPort data structure includes for FreeBSD
39  */
40 
41 #define RP_UNIT(x) dv_unit(x)
42 #define RP_PORT(x) (dev2unit(x) & 0x3f)
43 #define MAX_RP_PORTS	128
44 
45 
46 struct rp_port {
47 	struct tty *		rp_tty; /* cross reference */
48 	struct callout		rp_timer;
49 
50 	unsigned char		state;	/* state of dtr */
51 
52 	int			rp_port;
53 	int			rp_flags;
54 	int			rp_unit:2;
55 	int			rp_aiop:2;
56 	int			rp_chan:3;
57 	int			rp_intmask;
58 	int			rp_imask; /* Input mask */
59 	int			rp_fifo_lw;
60 	int			rp_restart;
61 	int			rp_overflows;
62 	int			rp_rts_iflow:1;
63 	int			rp_disable_writes:1;
64 	int			rp_cts:1;
65 	int			rp_waiting:1;
66 	int			rp_xmit_stopped:1;
67 	CONTROLLER_t *		rp_ctlp;
68 	CHANNEL_t		rp_channel;
69 	unsigned char		TxBuf[TXFIFO_SIZE];
70 	unsigned char		RxBuf[RXFIFO_SIZE];
71 };
72 
73 /* Actually not used */
74 #ifdef notdef
75 extern struct termios deftermios;
76 #endif /* notdef */
77