| 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 | |