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FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
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/*- * 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. * 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. * * from: @(#)fdreg.h 7.1 (Berkeley) 5/9/91 * $FreeBSD: release/9.1.0/sys/pc98/cbus/fdcreg.h 127977 2004-04-07 05:00:01Z imp $ */ /* * AT floppy controller registers and bitfields */ /* uses NEC765 controller */ #include <dev/ic/nec765.h> #ifdef PC98 /* registers */ #define FDSTS 0 /* NEC 765 Main Status Register (R) */ #define FDDATA 1 /* NEC 765 Data Register (R/W) */ #define FDCTL 2 /* FD Control Register */ #define FDC_RST 0x80 /* FDC RESET */ #define FDC_RDY 0x40 /* force READY */ #define FDC_DD 0x20 /* FDD Mode Exchange 0:1M 1:640K */ #define FDC_DMAE 0x10 /* enable floppy DMA */ #define FDC_MTON 0x08 /* MOTOR ON (when EMTON=1)*/ #define FDC_TMSK 0x04 /* TIMER MASK */ #define FDC_TTRG 0x01 /* TIMER TRIGER */ #define FDP_EMTON 0x04 /* enable MTON */ #define FDP_FDDEXC 0x02 /* FDD Mode Exchange 1:1M 0:640K */ #define FDP_PORTEXC 0x01 /* PORT Exchane 1:1M 0:640K */ #else /* registers */ #define FDOUT 2 /* Digital Output Register (W) */ #define FDO_FDSEL 0x03 /* floppy device select */ #define FDO_FRST 0x04 /* floppy controller reset */ #define FDO_FDMAEN 0x08 /* enable floppy DMA and Interrupt */ #define FDO_MOEN0 0x10 /* motor enable drive 0 */ #define FDO_MOEN1 0x20 /* motor enable drive 1 */ #define FDO_MOEN2 0x40 /* motor enable drive 2 */ #define FDO_MOEN3 0x80 /* motor enable drive 3 */ #define FDSTS 4 /* NEC 765 Main Status Register (R) */ #define FDDATA 5 /* NEC 765 Data Register (R/W) */ #define FDCTL 7 /* Control Register (W) */ #endif /* PC98 */ /* * The definitions for FDC_500KBPS etc. have been moved out to <sys/fdcio.h> * since they need to be visible in userland. They cover the lower two bits * of FDCTL when used for output. */ /* * this is the secret PIO data port (offset from base) */ #define FDC_YE_DATAPORT 6 #ifndef PC98 #define FDIN 7 /* Digital Input Register (R) */ #define FDI_DCHG 0x80 /* diskette has been changed */ /* requires drive and motor being selected */ /* is cleared by any step pulse to drive */ #endif