1 /* $NetBSD: fdcvar.h,v 1.6 2008/07/05 08:46:25 tsutsui Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /*- 33 * Copyright (c) 1990 The Regents of the University of California. 34 * All rights reserved. 35 * 36 * This code is derived from software contributed to Berkeley by 37 * Don Ahn. 38 * 39 * Redistribution and use in source and binary forms, with or without 40 * modification, are permitted provided that the following conditions 41 * are met: 42 * 1. Redistributions of source code must retain the above copyright 43 * notice, this list of conditions and the following disclaimer. 44 * 2. Redistributions in binary form must reproduce the above copyright 45 * notice, this list of conditions and the following disclaimer in the 46 * documentation and/or other materials provided with the distribution. 47 * 3. Neither the name of the University nor the names of its contributors 48 * may be used to endorse or promote products derived from this software 49 * without specific prior written permission. 50 * 51 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 52 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 53 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 54 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 55 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 56 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 57 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 58 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 59 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 60 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 61 * SUCH DAMAGE. 62 * 63 * @(#)fd.c 7.4 (Berkeley) 5/25/91 64 */ 65 66 /* 67 * Floppy formatting facilities merged from FreeBSD fd.c driver: 68 * Id: fd.c,v 1.53 1995/03/12 22:40:56 joerg Exp 69 * which carries the same copyright/redistribution notice as shown above with 70 * the addition of the following statement before the "Redistribution and 71 * use ..." clause: 72 * 73 * Copyright (c) 1993, 1994 by 74 * jc (at) irbs.UUCP (John Capo) 75 * vak (at) zebub.msk.su (Serge Vakulenko) 76 * ache (at) astral.msk.su (Andrew A. Chernov) 77 * 78 * Copyright (c) 1993, 1994, 1995 by 79 * joerg_wunsch (at) uriah.sax.de (Joerg Wunsch) 80 * dufault (at) hda.com (Peter Dufault) 81 */ 82 83 enum fdc_state { 84 DEVIDLE = 0, 85 MOTORWAIT, 86 DOSEEK, 87 SEEKWAIT, 88 SEEKTIMEDOUT, 89 SEEKCOMPLETE, 90 DOIO, 91 IOCOMPLETE, 92 IOTIMEDOUT, 93 DORESET, 94 RESETCOMPLETE, 95 RESETTIMEDOUT, 96 DORECAL, 97 RECALWAIT, 98 RECALTIMEDOUT, 99 RECALCOMPLETE, 100 }; 101 102 /* software state, per controller */ 103 struct fdc_softc { 104 device_t sc_dev; /* boilerplate */ 105 void *sc_ih; 106 107 bus_space_tag_t sc_iot; /* I/O space identifier */ 108 bus_space_handle_t sc_ioh; /* I/O handle */ 109 110 struct callout sc_timo_ch; /* timeout callout */ 111 struct callout sc_intr_ch; /* pseudo-intr callout */ 112 113 bus_size_t sc_maxiosize; 114 115 struct fd_softc *sc_fd[4]; /* pointers to children */ 116 TAILQ_HEAD(drivehead, fd_softc) sc_drives; 117 enum fdc_state sc_state; 118 int sc_errors; /* number of retries so far */ 119 u_char sc_status[7]; /* copy of registers */ 120 121 /* DMA functions set from MD code */ 122 void (*sc_dma_start)(struct fdc_softc *, void *, size_t, int); 123 void (*sc_dma_abort)(struct fdc_softc *); 124 void (*sc_dma_done)(struct fdc_softc *); 125 }; 126 127 #define FDCDMA_START(fdc, addr, len, datain) \ 128 (*(fdc)->sc_dma_start)(fdc, addr, len, datain) 129 #define FDCDMA_ABORT(fdc) (*(fdc)->sc_dma_abort)(fdc) 130 #define FDCDMA_DONE(fdc) (*(fdc)->sc_dma_done)(fdc) 131 132 int out_fdc(bus_space_tag_t iot, bus_space_handle_t ioh, u_char x); 133 134 void fdcattach(struct fdc_softc *); 135 int fdcintr(void *); 136
Indexes created Thu Oct 02 07:10:07 GMT 2025