fdcvar.h revision 1.4
1 /* $NetBSD: fdcvar.h,v 1.4 2007/03/04 05:59:36 christos 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /*- 40 * Copyright (c) 1990 The Regents of the University of California. 41 * All rights reserved. 42 * 43 * This code is derived from software contributed to Berkeley by 44 * Don Ahn. 45 * 46 * Redistribution and use in source and binary forms, with or without 47 * modification, are permitted provided that the following conditions 48 * are met: 49 * 1. Redistributions of source code must retain the above copyright 50 * notice, this list of conditions and the following disclaimer. 51 * 2. Redistributions in binary form must reproduce the above copyright 52 * notice, this list of conditions and the following disclaimer in the 53 * documentation and/or other materials provided with the distribution. 54 * 3. Neither the name of the University nor the names of its contributors 55 * may be used to endorse or promote products derived from this software 56 * without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 60 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 61 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 62 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 63 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 64 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 65 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 66 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 67 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 68 * SUCH DAMAGE. 69 * 70 * @(#)fd.c 7.4 (Berkeley) 5/25/91 71 */ 72 73 /* 74 * Floppy formatting facilities merged from FreeBSD fd.c driver: 75 * Id: fd.c,v 1.53 1995/03/12 22:40:56 joerg Exp 76 * which carries the same copyright/redistribution notice as shown above with 77 * the addition of the following statement before the "Redistribution and 78 * use ..." clause: 79 * 80 * Copyright (c) 1993, 1994 by 81 * jc (at) irbs.UUCP (John Capo) 82 * vak (at) zebub.msk.su (Serge Vakulenko) 83 * ache (at) astral.msk.su (Andrew A. Chernov) 84 * 85 * Copyright (c) 1993, 1994, 1995 by 86 * joerg_wunsch (at) uriah.sax.de (Joerg Wunsch) 87 * dufault (at) hda.com (Peter Dufault) 88 */ 89 90 enum fdc_state { 91 DEVIDLE = 0, 92 MOTORWAIT, 93 DOSEEK, 94 SEEKWAIT, 95 SEEKTIMEDOUT, 96 SEEKCOMPLETE, 97 DOIO, 98 IOCOMPLETE, 99 IOTIMEDOUT, 100 DORESET, 101 RESETCOMPLETE, 102 RESETTIMEDOUT, 103 DORECAL, 104 RECALWAIT, 105 RECALTIMEDOUT, 106 RECALCOMPLETE, 107 }; 108 109 /* software state, per controller */ 110 struct fdc_softc { 111 struct device sc_dev; /* boilerplate */ 112 void *sc_ih; 113 114 bus_space_tag_t sc_iot; /* I/O space identifier */ 115 bus_space_handle_t sc_ioh; /* I/O handle */ 116 117 struct callout sc_timo_ch; /* timeout callout */ 118 struct callout sc_intr_ch; /* pseudo-intr callout */ 119 120 bus_size_t sc_maxiosize; 121 122 struct fd_softc *sc_fd[4]; /* pointers to children */ 123 TAILQ_HEAD(drivehead, fd_softc) sc_drives; 124 enum fdc_state sc_state; 125 int sc_errors; /* number of retries so far */ 126 u_char sc_status[7]; /* copy of registers */ 127 128 /* DMA functions set from MD code */ 129 void (*sc_dma_start)(struct fdc_softc *, void *, size_t, int); 130 void (*sc_dma_abort)(struct fdc_softc *); 131 void (*sc_dma_done)(struct fdc_softc *); 132 }; 133 134 #define FDCDMA_START(fdc, addr, len, datain) \ 135 (*(fdc)->sc_dma_start)(fdc, addr, len, datain) 136 #define FDCDMA_ABORT(fdc) (*(fdc)->sc_dma_abort)(fdc) 137 #define FDCDMA_DONE(fdc) (*(fdc)->sc_dma_done)(fdc) 138 139 int out_fdc(bus_space_tag_t iot, bus_space_handle_t ioh, u_char x); 140 141 void fdcattach(struct fdc_softc *); 142 int fdcintr(void *); 143
Indexes created Thu Oct 02 14:10:14 GMT 2025