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