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Annotation of sys/arch/sparc/dev/fdvar.h, Revision 1.1.1.1

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)