1 /* $NetBSD: fdcvar.h,v 1.10 2008/04/28 20:23:52 martin 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 #include <sys/mutex.h> 67 #include <sys/condvar.h> 68 69 /* 70 * Floppy formatting facilities merged from FreeBSD fd.c driver: 71 * Id: fd.c,v 1.53 1995/03/12 22:40:56 joerg Exp 72 * which carries the same copyright/redistribution notice as shown above with 73 * the addition of the following statement before the "Redistribution and 74 * use ..." clause: 75 * 76 * Copyright (c) 1993, 1994 by 77 * jc@irbs.UUCP (John Capo) 78 * vak@zebub.msk.su (Serge Vakulenko) 79 * ache@astral.msk.su (Andrew A. Chernov) 80 * 81 * Copyright (c) 1993, 1994, 1995 by 82 * joerg_wunsch@uriah.sax.de (Joerg Wunsch) 83 * dufault@hda.com (Peter Dufault) 84 */ 85 86 enum fdc_state { 87 PROBING = -1, 88 DEVIDLE = 0, 89 MOTORWAIT, 90 DOSEEK, 91 SEEKWAIT, 92 SEEKTIMEDOUT, 93 SEEKCOMPLETE, 94 DOIO, 95 IOCOMPLETE, 96 IOTIMEDOUT, 97 DORESET, 98 RESETCOMPLETE, 99 RESETTIMEDOUT, 100 DORECAL, 101 RECALWAIT, 102 RECALTIMEDOUT, 103 RECALCOMPLETE, 104 }; 105 106 /* software state, per controller */ 107 struct fdc_softc { 108 device_t sc_dev; /* boilerplate */ 109 void *sc_ih; 110 111 bus_space_tag_t sc_iot; /* ISA i/o space identifier */ 112 bus_space_handle_t sc_ioh; /* ISA io handle */ 113 isa_chipset_tag_t sc_ic; /* ISA chipset info */ 114 115 struct callout sc_timo_ch; /* timeout callout */ 116 struct callout sc_intr_ch; /* pseudo-intr callout */ 117 118 /* 119 * XXX We have port overlap with the first IDE controller. 120 * Until we have a reasonable solution for handling overlap 121 * like this, we kludge access to our control register at 122 * offset 7. 123 */ 124 bus_space_handle_t sc_fdctlioh; 125 #define sc_fdinioh sc_fdctlioh 126 127 int sc_drq; 128 bus_size_t sc_maxiosize; 129 130 struct fd_softc *sc_fd[4]; /* pointers to children */ 131 TAILQ_HEAD(drivehead, fd_softc) sc_drives; 132 enum fdc_state sc_state; 133 int sc_errors; /* number of retries so far */ 134 u_char sc_status[7]; /* copy of registers */ 135 136 int sc_known; /* direct configuration if non-zero */ 137 int sc_present; /* bitmap of available fds */ 138 const struct fd_type *sc_knownfds[4]; /* drive info known fds */ 139 kmutex_t sc_mtx; 140 kcondvar_t sc_cv; 141 int sc_probe; 142 }; 143 144 int out_fdc(bus_space_tag_t iot, bus_space_handle_t ioh, u_char x); 145 146 void fdcattach(struct fdc_softc *); 147 void fdc_childdet(device_t, device_t); 148 int fdcdetach(device_t self, int flags); 149 int fdcintr(void *); 150