Return to fdlink.h CVS log

Up to [local] / sys / dev / isa

Annotation of sys/dev/isa/fdlink.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: fdlink.h,v 1.9 2007/04/10 17:47:55 miod Exp $ */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1993, 1994, 1995 Charles Hannum.
        !             5:  * Copyright (c) 1990 The Regents of the University of California.
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * This code is derived from software contributed to Berkeley by
        !             9:  * Don Ahn.
        !            10:  *
        !            11:  * Portions Copyright (c) 1993, 1994 by
        !            12:  *  jc@irbs.UUCP (John Capo)
        !            13:  *  vak@zebub.msk.su (Serge Vakulenko)
        !            14:  *  ache@astral.msk.su (Andrew A. Chernov)
        !            15:  *  joerg_wunsch@uriah.sax.de (Joerg Wunsch)
        !            16:  *
        !            17:  * Redistribution and use in source and binary forms, with or without
        !            18:  * modification, are permitted provided that the following conditions
        !            19:  * are met:
        !            20:  * 1. Redistributions of source code must retain the above copyright
        !            21:  *    notice, this list of conditions and the following disclaimer.
        !            22:  * 2. Redistributions in binary form must reproduce the above copyright
        !            23:  *    notice, this list of conditions and the following disclaimer in the
        !            24:  *    documentation and/or other materials provided with the distribution.
        !            25:  * 3. Neither the name of the University nor the names of its contributors
        !            26:  *    may be used to endorse or promote products derived from this software
        !            27:  *    without specific prior written permission.
        !            28:  *
        !            29:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            30:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            31:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            32:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            33:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            34:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            35:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            36:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            37:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            38:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            39:  * SUCH DAMAGE.
        !            40:  *
        !            41:  */
        !            42:
        !            43: /*
        !            44:  * The goo that binds the floppy controller to its devices.
        !            45:  */
        !            46:
        !            47: enum fdc_state {
        !            48:        DEVIDLE = 0,
        !            49:        MOTORWAIT,
        !            50:        DOSEEK,
        !            51:        SEEKWAIT,
        !            52:        SEEKTIMEDOUT,
        !            53:        SEEKCOMPLETE,
        !            54:        DOIO,
        !            55:        IOCOMPLETE,
        !            56:        IOTIMEDOUT,
        !            57:        DORESET,
        !            58:        RESETCOMPLETE,
        !            59:        RESETTIMEDOUT,
        !            60:        DORECAL,
        !            61:        RECALWAIT,
        !            62:        RECALTIMEDOUT,
        !            63:        RECALCOMPLETE
        !            64: };
        !            65:
        !            66: enum fdc_type {
        !            67:        FDC_TYPE_TAPE,
        !            68:        FDC_TYPE_DISK
        !            69: };
        !            70:
        !            71:
        !            72: /* software state, per controller */
        !            73: struct fd_softc;
        !            74: struct fdc_fdlink {
        !            75:        struct fd_softc *sc_fd[4];      /* pointers to children */
        !            76:        TAILQ_HEAD(drivehead, fd_softc) sc_drives;
        !            77: };
        !            78:
        !            79: struct ft_softc;
        !            80: struct fdc_ftlink {
        !            81:        struct ft_softc *sc_ft[4];      /* pointers to children */
        !            82: };
        !            83:
        !            84: struct fdc_softc {
        !            85:        struct device sc_dev;           /* boilerplate */
        !            86:        struct isadev sc_id;
        !            87:        void *sc_ih;
        !            88:
        !            89:        bus_space_tag_t sc_iot;         /* ISA chipset identifier */
        !            90:        bus_space_handle_t sc_ioh;      /* ISA io handle */
        !            91:        bus_space_handle_t sc_ioh_ctl;  /* ISA io handle */
        !            92:
        !            93:        int sc_drq;
        !            94:
        !            95:        enum fdc_type sc_type[4];       /* type of device */
        !            96:        union {
        !            97:                struct fdc_fdlink fdlink;
        !            98:                struct fdc_ftlink ftlink;
        !            99:        } sc_link;
        !           100:        enum fdc_state sc_state;
        !           101:        int sc_errors;                  /* number of retries so far */
        !           102:        struct timeout fdcpseudointr_to;
        !           103:        u_char sc_status[7];            /* copy of registers */
        !           104: };
        !           105:
        !           106: /*
        !           107:  * Arguments passed between fdcattach and f[dt]probe.
        !           108:  */
        !           109: struct fdc_attach_args {
        !           110:        int fa_drive;
        !           111:        int fa_flags;
        !           112:        int fa_type;                    /* tape drive type */
        !           113:        struct fd_type *fa_deftype;
        !           114: };
        !           115:
        !           116: /* Functions from fdc.c. */
        !           117: int fdcresult(struct fdc_softc *);
        !           118: int out_fdc(bus_space_tag_t, bus_space_handle_t, u_char);
        !           119: void fdcstart(struct fdc_softc *);
        !           120: void fdcstatus(struct device *, int, char *);
        !           121: void fdcpseudointr(void *);
        !           122:
        !           123: /* Functions from fd.c. */
        !           124: struct fd_type *fd_nvtotype(char *, int, int);