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Annotation of sys/arch/sparc/dev/fdvar.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: fdvar.h,v 1.8 2006/08/17 01:37:41 krw Exp $   */
        !             2: /*
        !             3:  *     $NetBSD: fdvar.h,v 1.5 1996/12/08 23:40:34 pk Exp $
        !             4:  *
        !             5:  * Copyright (c) 1995 Paul Kranenburg
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  * 3. All advertising materials mentioning features or use of this software
        !            17:  *    must display the following acknowledgement:
        !            18:  *      This product includes software developed by Paul Kranenburg.
        !            19:  * 4. The name of the author may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  *
        !            33:  */
        !            34:
        !            35: #define        FD_BSIZE(fd)    (128 << fd->sc_type->secsize)
        !            36: #define        FDC_MAXIOSIZE   NBPG    /* XXX should be MAXBSIZE */
        !            37:
        !            38: #define FDC_NSTATUS    10
        !            39:
        !            40: #ifndef _LOCORE
        !            41: struct fdcio {
        !            42:        /*
        !            43:         * 82072 (sun4c) and 82077 (sun4m) controllers have different
        !            44:         * register layout; so we cache some here.
        !            45:         */
        !            46:        volatile u_int8_t       *fdcio_reg_msr;
        !            47:        volatile u_int8_t       *fdcio_reg_fifo;
        !            48:        volatile u_int8_t       *fdcio_reg_dor; /* 82077 only */
        !            49:
        !            50:        /*
        !            51:         * Interrupt state.
        !            52:         */
        !            53:        int     fdcio_itask;
        !            54:        int     fdcio_istatus;
        !            55:
        !            56:        /*
        !            57:         * IO state.
        !            58:         */
        !            59:        char    *fdcio_data;            /* pseudo-dma data */
        !            60:        int     fdcio_tc;               /* pseudo-dma Terminal Count */
        !            61:        u_char  fdcio_status[FDC_NSTATUS];      /* copy of registers */
        !            62:        int     fdcio_nstat;            /* # of valid status bytes */
        !            63:
        !            64:        struct  intrhand fdcio_ih;
        !            65: };
        !            66: #endif /* _LOCORE */
        !            67:
        !            68: /* itask values */
        !            69: #define FDC_ITASK_NONE         0       /* No HW interrupt expected */
        !            70: #define FDC_ITASK_SENSEI       1       /* Do SENSEI on next HW interrupt */
        !            71: #define FDC_ITASK_DMA          2       /* Do Pseudo-DMA */
        !            72: #define FDC_ITASK_RESULT       3       /* Pick up command results */
        !            73:
        !            74: /* istatus values */
        !            75: #define FDC_ISTATUS_NONE       0       /* No status available */
        !            76: #define FDC_ISTATUS_SPURIOUS   1       /* Spurious HW interrupt detected */
        !            77: #define FDC_ISTATUS_ERROR      2       /* Operation completed abnormally */
        !            78: #define FDC_ISTATUS_DONE       3       /* Operation completed normally */
        !            79:
        !            80: #define SUNOS_FDIOCEJECT       _IO('f', 24)