1 /* $OpenBSD: umct.h,v 1.3 2002/06/11 06:42:17 nate Exp $ */
2 /* $NetBSD: umct.h,v 1.1 2001/03/28 18:42:13 ichiro Exp $ */
3 /*
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Ichiro FUKUHARA (ichiro@ichiro.org).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39 /*
40 * Vendor Request Interface
41 */
42 #define UMCT_SET_REQUEST 0x40
43 #define UMCT_GET_REQUEST 0xc0
44
45 #define REQ_SET_BAUD_RATE 5 /* Set Baud Rate Divisor */
46 #define LENGTH_BAUD_RATE 4
47
48 #define REQ_GET_MSR 2 /* Get Modem Status Register (MSR) */
49 #define LENGTH_GET_MSR 1
50
51 #define REQ_GET_LCR 6 /* Get Line Control Register (LCR) */
52 #define LENGTH_GET_LCR 1
53
54 #define REQ_SET_LCR 7 /* Set Line Control Register (LCR) */
55 #define LENGTH_SET_LCR 1
56
57 #define REQ_SET_MCR 10 /* Set Modem Control Register (MCR) */
58 #define LENGTH_SET_MCR 1
59
60 /*
61 * Baud rate (divisor)
62 */
63 #define UMCT_BAUD_RATE(b) (115200/b)
64
65 /*
66 * Line Control Register (LCR)
67 */
68 #define LCR_SET_BREAK 0x40
69 #define LCR_PARITY_EVEN 0x18
70 #define LCR_PARITY_ODD 0x08
71 #define LCR_PARITY_NONE 0x00
72 #define LCR_DATA_BITS_5 0x00
73 #define LCR_DATA_BITS_6 0x01
74 #define LCR_DATA_BITS_7 0x02
75 #define LCR_DATA_BITS_8 0x03
76 #define LCR_STOP_BITS_2 0x04
77 #define LCR_STOP_BITS_1 0x00
78
79 /*
80 * Modem Control Register (MCR)
81 */
82 #define MCR_NONE 0x8
83 #define MCR_RTS 0xa
84 #define MCR_DTR 0x9
85
86 /*
87 * Modem Status Register (MSR)
88 */
89 #define MSR_CD 0x80 /* Current CD */
90 #define MSR_RI 0x40 /* Current RI */
91 #define MSR_DSR 0x20 /* Current DSR */
92 #define MSR_CTS 0x10 /* Current CTS */
93 #define MSR_DCD 0x08 /* Delta CD */
94 #define MSR_DRI 0x04 /* Delta RI */
95 #define MSR_DDSR 0x02 /* Delta DSR */
96 #define MSR_DCTS 0x01 /* Delta CTS */
97
98 /*
99 * Line Status Register (LSR)
100 */
101 #define LSR_ERR 0x80 /* OE | PE | FE | BI */
102 #define LSR_TEMT 0x40 /* transmit register empty */
103 #define LSR_THRE 0x20 /* transmit holding register empty */
104 #define LSR_BI 0x10 /* break indicator */
105 #define LSR_FE 0x08 /* framing error */
106 #define LSR_OE 0x02 /* overrun error */
107 #define LSR_PE 0x04 /* parity error */
108 #define LSR_OE 0x02 /* overrun error */
109 #define LSR_DR 0x01 /* receive data ready */