fdvar.h revision 1.3
1 1.2 pk /* 2 1.3 pk * $NetBSD: fdvar.h,v 1.3 1995/04/07 19:46:15 pk Exp $ 3 1.2 pk * 4 1.2 pk * Copyright (c) 1995 Paul Kranenburg 5 1.2 pk * All rights reserved. 6 1.2 pk * 7 1.2 pk * Redistribution and use in source and binary forms, with or without 8 1.2 pk * modification, are permitted provided that the following conditions 9 1.2 pk * are met: 10 1.2 pk * 1. Redistributions of source code must retain the above copyright 11 1.2 pk * notice, this list of conditions and the following disclaimer. 12 1.2 pk * 2. Redistributions in binary form must reproduce the above copyright 13 1.2 pk * notice, this list of conditions and the following disclaimer in the 14 1.2 pk * documentation and/or other materials provided with the distribution. 15 1.2 pk * 3. All advertising materials mentioning features or use of this software 16 1.2 pk * must display the following acknowledgement: 17 1.2 pk * This product includes software developed by Paul Kranenburg. 18 1.2 pk * 4. The name of the author may not be used to endorse or promote products 19 1.2 pk * derived from this software without specific prior written permission 20 1.2 pk * 21 1.2 pk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 1.2 pk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 1.2 pk * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 1.2 pk * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 1.2 pk * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 1.2 pk * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 1.2 pk * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 1.2 pk * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 1.2 pk * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 1.2 pk * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 1.2 pk * 32 1.2 pk */ 33 1.2 pk 34 1.1 pk #define FDC_BSIZE 512 35 1.1 pk #define FDC_MAXIOSIZE NBPG /* XXX should be MAXBSIZE */ 36 1.1 pk 37 1.1 pk #define FDC_NSTATUS 10 38 1.1 pk 39 1.1 pk #if !defined(LOCORE) 40 1.1 pk struct fdcio { 41 1.1 pk /* 42 1.1 pk * 82072 (sun4c) and 82077 (sun4m) controllers have different 43 1.1 pk * register layout; so we cache some here. 44 1.1 pk */ 45 1.1 pk volatile u_int8_t *fdcio_reg_msr; 46 1.1 pk volatile u_int8_t *fdcio_reg_fifo; 47 1.1 pk volatile u_int8_t *fdcio_reg_dor; /* 82077 only */ 48 1.1 pk 49 1.1 pk /* 50 1.1 pk * Interrupt state. 51 1.1 pk */ 52 1.1 pk int fdcio_istate; 53 1.1 pk 54 1.1 pk /* 55 1.1 pk * IO state. 56 1.1 pk */ 57 1.1 pk char *fdcio_data; /* pseudo-dma data */ 58 1.1 pk int fdcio_tc; /* pseudo-dma Terminal Count */ 59 1.1 pk u_char fdcio_status[FDC_NSTATUS]; /* copy of registers */ 60 1.1 pk int fdcio_nstat; /* # of valid status bytes */ 61 1.3 pk 62 1.3 pk /* 63 1.3 pk * Statictics. 64 1.3 pk */ 65 1.3 pk struct evcnt fdcio_intrcnt; 66 1.1 pk }; 67 1.1 pk #endif /* LOCORE */ 68 1.1 pk 69 1.1 pk /* istate values */ 70 1.1 pk #define ISTATE_IDLE 0 /* No HW interrupt expected */ 71 1.1 pk #define ISTATE_SPURIOUS 1 /* Spurious HW interrupt detected */ 72 1.1 pk #define ISTATE_SENSEI 2 /* Do SENSEI on next HW interrupt */ 73 1.1 pk #define ISTATE_DMA 3 /* Pseudo-DMA in progress */ 74 1.1 pk 75 1.1 pk #define FDIOCEJECT _IO('f', 24) 76 1.1 pk 77
Indexes created Tue Sep 23 14:10:03 GMT 2025