Annotation of sys/arch/sparc64/dev/fdvar.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: fdvar.h,v 1.2 2006/08/17 01:37:41 krw Exp $ */
! 2: /* $NetBSD: fdvar.h,v 1.12 2003/07/11 12:09:13 pk Exp $ */
! 3:
! 4: /*-
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * This code is derived from software contributed to The NetBSD Foundation
! 9: * by Paul Kranenburg.
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: * 3. All advertising materials mentioning features or use of this software
! 20: * must display the following acknowledgement:
! 21: * This product includes software developed by the NetBSD
! 22: * Foundation, Inc. and its contributors.
! 23: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 24: * contributors may be used to endorse or promote products derived
! 25: * from this software without specific prior written permission.
! 26: *
! 27: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 28: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 29: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 30: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 31: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 32: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 33: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 34: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 35: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 36: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 37: * POSSIBILITY OF SUCH DAMAGE.
! 38: */
! 39:
! 40: #define FD_BSIZE(fd) (128 << fd->sc_type->secsize)
! 41: #define FDC_MAXIOSIZE NBPG /* XXX should be MAXBSIZE */
! 42:
! 43: #define FDC_NSTATUS 10
! 44:
! 45: struct fdcio {
! 46: bus_space_handle_t fdcio_handle;
! 47:
! 48: /*
! 49: * Interrupt state.
! 50: */
! 51: int fdcio_itask;
! 52: int fdcio_istatus;
! 53:
! 54: /*
! 55: * IO state.
! 56: */
! 57: char *fdcio_data; /* pseudo-DMA data */
! 58: int fdcio_tc; /* pseudo-DMA Terminal Count */
! 59: u_char fdcio_status[FDC_NSTATUS]; /* copy of registers */
! 60: int fdcio_nstat; /* # of valid status bytes */
! 61: };
! 62:
! 63: /* itask values */
! 64: #define FDC_ITASK_NONE 0 /* No HW interrupt expected */
! 65: #define FDC_ITASK_SENSEI 1 /* Do SENSEI on next HW interrupt */
! 66: #define FDC_ITASK_DMA 2 /* Do Pseudo-DMA */
! 67: #define FDC_ITASK_RESULT 3 /* Pick up command results */
! 68:
! 69: /* istatus values */
! 70: #define FDC_ISTATUS_NONE 0 /* No status available */
! 71: #define FDC_ISTATUS_SPURIOUS 1 /* Spurious HW interrupt detected */
! 72: #define FDC_ISTATUS_ERROR 2 /* Operation completed abnormally */
! 73: #define FDC_ISTATUS_DONE 3 /* Operation completed normally */
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