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Diffstat (limited to 'sys/dev/ic/i8255.h')
| -rw-r--r-- | sys/dev/ic/i8255.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sys/dev/ic/i8255.h b/sys/dev/ic/i8255.h new file mode 100644 index 0000000..1ecfe50 --- /dev/null +++ b/sys/dev/ic/i8255.h @@ -0,0 +1,46 @@ +/*- + * Copyright (c) 2008 TAKAHASHI Yoshihiro + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _DEV_IC_I8255_H_ +#define _DEV_IC_I8255_H_ + +/* + * modem status via SYSTM_PORTB + */ +#define CICSCD_CD 0x20 /* CD */ +#define CICSCD_CS 0x40 /* CS */ +#define CICSCD_CI 0x80 /* CI */ + +/* + * control intrline via SYSTM_PORTC + */ +#define IEN_Rx 0x01 +#define IEN_TxEMP 0x02 +#define IEN_Tx 0x04 + +#endif /* _DEV_IC_I8255_H_ */ |
