xref: /openbsd/sys/dev/usb/umct.h (revision d19a5360)
1 /*	$OpenBSD: umct.h,v 1.5 2015/04/26 06:38:04 jmatthew 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*
33  * Vendor Request Interface
34  */
35 #define UMCT_SET_REQUEST	0x40
36 #define UMCT_GET_REQUEST	0xc0
37 
38 #define REQ_SET_BAUD_RATE	5	/* Set Baud Rate Divisor */
39 #define LENGTH_BAUD_RATE	4
40 
41 #define REQ_GET_MSR		2	/* Get Modem Status Register (MSR) */
42 #define LENGTH_GET_MSR		1
43 
44 #define REQ_GET_LCR		6	/* Get Line Control Register (LCR) */
45 #define LENGTH_GET_LCR		1
46 
47 #define REQ_SET_LCR		7	/* Set Line Control Register (LCR) */
48 #define LENGTH_SET_LCR		1
49 
50 #define REQ_SET_MCR		10	/* Set Modem Control Register (MCR) */
51 #define LENGTH_SET_MCR		1
52 
53 #define REQ_UNKNOWN1		11	/* Unknown functionality */
54 #define LENGTH_UNKNOWN1		1
55 
56 #define REQ_SET_CTS		12	/* Apparently controls CTS */
57 #define LENGTH_SET_CTS		1
58 
59 /*
60  * Baud rate (divisor)
61  */
62 #define UMCT_BAUD_RATE(b)	(115200/b)
63 
64 /*
65  * Line Control Register (LCR)
66  */
67 #define LCR_SET_BREAK		0x40
68 #define LCR_PARITY_EVEN		0x18
69 #define LCR_PARITY_ODD		0x08
70 #define LCR_PARITY_NONE		0x00
71 #define LCR_DATA_BITS_5		0x00
72 #define LCR_DATA_BITS_6		0x01
73 #define LCR_DATA_BITS_7		0x02
74 #define LCR_DATA_BITS_8		0x03
75 #define LCR_STOP_BITS_2		0x04
76 #define LCR_STOP_BITS_1		0x00
77 
78 /*
79  * Modem Control Register (MCR)
80  */
81 #define MCR_NONE		0x8
82 #define MCR_RTS			0xa
83 #define MCR_DTR			0x9
84 
85 /*
86  * Modem Status Register (MSR)
87  */
88 #define MSR_CD			0x80	/* Current CD */
89 #define MSR_RI			0x40	/* Current RI */
90 #define MSR_DSR			0x20	/* Current DSR */
91 #define MSR_CTS			0x10	/* Current CTS */
92 #define MSR_DCD			0x08	/* Delta CD */
93 #define MSR_DRI			0x04	/* Delta RI */
94 #define MSR_DDSR		0x02	/* Delta DSR */
95 #define MSR_DCTS		0x01	/* Delta CTS */
96 
97 /*
98  * Line Status Register (LSR)
99  */
100 #define LSR_ERR			0x80	/* OE | PE | FE | BI */
101 #define LSR_TEMT		0x40	/* transmit register empty */
102 #define LSR_THRE		0x20	/* transmit holding register empty */
103 #define LSR_BI			0x10	/* break indicator */
104 #define LSR_FE			0x08	/* framing error */
105 #define LSR_OE			0x02	/* overrun error */
106 #define LSR_PE			0x04	/* parity error */
107 #define LSR_OE			0x02	/* overrun error */
108 #define LSR_DR			0x01	/* receive data ready */
109