2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2004-2006 Marcel Moolenaar
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef _DEV_SCC_BUS_H_
32 #define _DEV_SCC_BUS_H_
34 #include <sys/serial.h>
35 #include <serdev_if.h>
37 #define SCC_IVAR_CHANNEL 0
38 #define SCC_IVAR_CLASS 1
39 #define SCC_IVAR_CLOCK 2
40 #define SCC_IVAR_MODE 3
41 #define SCC_IVAR_REGSHFT 4
42 #define SCC_IVAR_HWMTX 5
44 /* Hardware class -- the SCC type. */
45 #define SCC_CLASS_UNUSED 0
46 #define SCC_CLASS_Z8530 1
47 #define SCC_CLASS_QUICC 2
49 /* The possible modes supported by the SCC. */
50 #define SCC_MODE_ASYNC 0x01
51 #define SCC_MODE_BISYNC 0x02
52 #define SCC_MODE_HDLC 0x04
54 #endif /* _DEV_SCC_BUS_H_ */