fdcvar.h revision 1.1
1 /* $NetBSD: fdcvar.h,v 1.1 2001/05/22 03:22:50 soda 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. All advertising materials mentioning features or use of this software 55 * must display the following acknowledgement: 56 * This product includes software developed by the University of 57 * California, Berkeley and its contributors. 58 * 4. Neither the name of the University nor the names of its contributors 59 * may be used to endorse or promote products derived from this software 60 * without specific prior written permission. 61 * 62 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 63 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 64 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 65 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 66 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 67 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 68 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 69 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 70 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 71 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 72 * SUCH DAMAGE. 73 * 74 * @(#)fd.c 7.4 (Berkeley) 5/25/91 75 */ 76 77 /* 78 * Floppy formatting facilities merged from FreeBSD fd.c driver: 79 * Id: fd.c,v 1.53 1995/03/12 22:40:56 joerg Exp 80 * which carries the same copyright/redistribution notice as shown above with 81 * the addition of the following statement before the "Redistribution and 82 * use ..." clause: 83 * 84 * Copyright (c) 1993, 1994 by 85 * jc (at) irbs.UUCP (John Capo) 86 * vak (at) zebub.msk.su (Serge Vakulenko) 87 * ache (at) astral.msk.su (Andrew A. Chernov) 88 * 89 * Copyright (c) 1993, 1994, 1995 by 90 * joerg_wunsch (at) uriah.sax.de (Joerg Wunsch) 91 * dufault (at) hda.com (Peter Dufault) 92 */ 93 94 enum fdc_state { 95 DEVIDLE = 0, 96 MOTORWAIT, 97 DOSEEK, 98 SEEKWAIT, 99 SEEKTIMEDOUT, 100 SEEKCOMPLETE, 101 DOIO, 102 IOCOMPLETE, 103 IOTIMEDOUT, 104 DORESET, 105 RESETCOMPLETE, 106 RESETTIMEDOUT, 107 DORECAL, 108 RECALWAIT, 109 RECALTIMEDOUT, 110 RECALCOMPLETE, 111 }; 112 113 /* software state, per controller */ 114 struct fdc_softc { 115 struct device sc_dev; /* boilerplate */ 116 void *sc_ih; 117 118 bus_space_tag_t sc_iot; /* I/O space identifier */ 119 bus_space_handle_t sc_ioh; /* I/O handle */ 120 121 struct callout sc_timo_ch; /* timeout callout */ 122 struct callout sc_intr_ch; /* pseudo-intr callout */ 123 124 bus_size_t sc_maxiosize; 125 126 struct fd_softc *sc_fd[4]; /* pointers to children */ 127 TAILQ_HEAD(drivehead, fd_softc) sc_drives; 128 enum fdc_state sc_state; 129 int sc_errors; /* number of retries so far */ 130 u_char sc_status[7]; /* copy of registers */ 131 132 /* DMA functions set from MD code */ 133 void (*sc_dma_start)(struct fdc_softc *, caddr_t, size_t, int); 134 void (*sc_dma_abort)(struct fdc_softc *); 135 void (*sc_dma_done)(struct fdc_softc *); 136 }; 137 138 #define FDCDMA_START(fdc, addr, len, datain) \ 139 (*(fdc)->sc_dma_start)(fdc, addr, len, datain) 140 #define FDCDMA_ABORT(fdc) (*(fdc)->sc_dma_abort)(fdc) 141 #define FDCDMA_DONE(fdc) (*(fdc)->sc_dma_done)(fdc) 142 143 int out_fdc(bus_space_tag_t iot, bus_space_handle_t ioh, u_char x); 144 145 void fdcattach(struct fdc_softc *); 146 int fdcintr(void *); 147
Indexes created Thu Oct 02 14:10:14 GMT 2025