1 | /* $NetBSD: umct.h,v 1.2 2008/04/28 20:24:00 martin Exp $ */ |
2 | /* |
3 | * Copyright (c) 2001 The NetBSD Foundation, Inc. |
4 | * All rights reserved. |
5 | * |
6 | * This code is derived from software contributed to The NetBSD Foundation |
7 | * by Ichiro FUKUHARA (ichiro@ichiro.org). |
8 | * |
9 | * Redistribution and use in source and binary forms, with or without |
10 | * modification, are permitted provided that the following conditions |
11 | * are met: |
12 | * 1. Redistributions of source code must retain the above copyright |
13 | * notice, this list of conditions and the following disclaimer. |
14 | * 2. Redistributions in binary form must reproduce the above copyright |
15 | * notice, this list of conditions and the following disclaimer in the |
16 | * documentation and/or other materials provided with the distribution. |
17 | * |
18 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
19 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
20 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
21 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
22 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
28 | * POSSIBILITY OF SUCH DAMAGE. |
29 | */ |
30 | |
31 | /* |
32 | * Vendor Request Interface |
33 | */ |
34 | #define UMCT_SET_REQUEST 0x40 |
35 | #define UMCT_GET_REQUEST 0xc0 |
36 | |
37 | #define REQ_SET_BAUD_RATE 5 /* Set Baud Rate Divisor */ |
38 | #define LENGTH_BAUD_RATE 4 |
39 | |
40 | #define REQ_GET_MSR 2 /* Get Modem Status Register (MSR) */ |
41 | #define LENGTH_GET_MSR 1 |
42 | |
43 | #define REQ_GET_LCR 6 /* Get Line Control Register (LCR) */ |
44 | #define LENGTH_GET_LCR 1 |
45 | |
46 | #define REQ_SET_LCR 7 /* Set Line Control Register (LCR) */ |
47 | #define LENGTH_SET_LCR 1 |
48 | |
49 | #define REQ_SET_MCR 10 /* Set Modem Control Register (MCR) */ |
50 | #define LENGTH_SET_MCR 1 |
51 | |
52 | /* |
53 | * Baud rate (divisor) |
54 | */ |
55 | #define UMCT_BAUD_RATE(b) (115200/b) |
56 | |
57 | /* |
58 | * Line Control Register (LCR) |
59 | */ |
60 | #define LCR_SET_BREAK 0x40 |
61 | #define LCR_PARITY_EVEN 0x18 |
62 | #define LCR_PARITY_ODD 0x08 |
63 | #define LCR_PARITY_NONE 0x00 |
64 | #define LCR_DATA_BITS_5 0x00 |
65 | #define LCR_DATA_BITS_6 0x01 |
66 | #define LCR_DATA_BITS_7 0x02 |
67 | #define LCR_DATA_BITS_8 0x03 |
68 | #define LCR_STOP_BITS_2 0x04 |
69 | #define LCR_STOP_BITS_1 0x00 |
70 | |
71 | /* |
72 | * Modem Control Register (MCR) |
73 | */ |
74 | #define MCR_NONE 0x8 |
75 | #define MCR_RTS 0xa |
76 | #define MCR_DTR 0x9 |
77 | |
78 | /* |
79 | * Modem Status Register (MSR) |
80 | */ |
81 | #define MSR_CD 0x80 /* Current CD */ |
82 | #define MSR_RI 0x40 /* Current RI */ |
83 | #define MSR_DSR 0x20 /* Current DSR */ |
84 | #define MSR_CTS 0x10 /* Current CTS */ |
85 | #define MSR_DCD 0x08 /* Delta CD */ |
86 | #define MSR_DRI 0x04 /* Delta RI */ |
87 | #define MSR_DDSR 0x02 /* Delta DSR */ |
88 | #define MSR_DCTS 0x01 /* Delta CTS */ |
89 | |
90 | /* |
91 | * Line Status Register (LSR) |
92 | */ |
93 | #define LSR_ERR 0x80 /* OE | PE | FE | BI */ |
94 | #define LSR_TEMT 0x40 /* transmit register empty */ |
95 | #define LSR_THRE 0x20 /* transmit holding register empty */ |
96 | #define LSR_BI 0x10 /* break indicator */ |
97 | #define LSR_FE 0x08 /* framing error */ |
98 | #define LSR_OE 0x02 /* overrun error */ |
99 | #define LSR_PE 0x04 /* parity error */ |
100 | #define LSR_OE 0x02 /* overrun error */ |
101 | #define LSR_DR 0x01 /* receive data ready */ |
102 | |