diff options
Diffstat (limited to 'sys/dev/ic/nec765.h')
-rw-r--r-- | sys/dev/ic/nec765.h | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/sys/dev/ic/nec765.h b/sys/dev/ic/nec765.h deleted file mode 100644 index b84b46e..0000000 --- a/sys/dev/ic/nec765.h +++ /dev/null @@ -1,71 +0,0 @@ -/*- - * Copyright (c) 1991 The Regents of the University of California. - * 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. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - * - * @(#)nec765.h 7.1 (Berkeley) 5/9/91 - */ - -/* - * Nec 765 floppy disc controller definitions - */ - -/* Main status register */ -#define NE7_DAB 0x01 /* Diskette drive A is seeking, thus busy */ -#define NE7_DBB 0x02 /* Diskette drive B is seeking, thus busy */ -#define NE7_CB 0x10 /* Diskette Controller Busy */ -#define NE7_NDM 0x20 /* Diskette Controller in Non Dma Mode */ -#define NE7_DIO 0x40 /* Diskette Controller Data register I/O */ -#define NE7_RQM 0x80 /* Diskette Controller ReQuest for Master */ - -/* Status register ST0 */ -#define NE7_ST0BITS "\020\010invld\007abnrml\006seek_cmplt\005drv_chck\004drive_rdy\003top_head" - -/* Status register ST1 */ -#define NE7_ST1BITS "\020\010end_of_cyl\006bad_crc\005data_overrun\003sec_not_fnd\002write_protect\001no_am" - -/* Status register ST2 */ -#define NE7_ST2BITS "\020\007ctrl_mrk\006bad_crc\005wrong_cyl\004scn_eq\003scn_not_fnd\002bad_cyl\001no_dam" - -/* Status register ST3 */ -#define NE7_ST3BITS "\020\010fault\007write_protect\006drdy\005tk0\004two_side\003side_sel\002" - -/* Commands */ -#define NE7CMD_SPECIFY 3 /* specify drive parameters - requires unit - parameters byte */ -#define NE7CMD_SENSED 4 /* sense drive - requires unit select byte */ -#define NE7CMD_WRITE 0xc5 /* write - requires eight additional bytes */ -#define NE7CMD_READ 0xe6 /* read - requires eight additional bytes */ -#define NE7CMD_FORMAT 0x4c /* format - requires five additional bytes */ -#define NE7CMD_RECAL 7 /* recalibrate drive - requires - unit select byte */ -#define NE7CMD_SENSEI 8 /* sense controller interrupt status */ -#define NE7CMD_SEEK 15 /* seek drive - requires unit select byte - and new cyl byte */ |