1 /*        $NetBSD: espvar.h,v 1.10 2022/08/15 12:16:25 rin Exp $      */
2 
3 /*
4  * Copyright (c) 1997 Allen Briggs.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by Peter Galbavy.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 struct esp_softc {
34           struct ncr53c9x_softc         sc_ncr53c9x;        /* glue to MI code */
35 
36           volatile uint8_t    *sc_reg;  /* the registers */
37           volatile uint32_t   *sc_dreqreg;        /* DREQ register for DAFB */
38 
39           int                 sc_active;                    /* Pseudo-DMA state vars */
40           int                 sc_datain;
41           size_t              sc_dmasize;
42           uint8_t             **sc_dmaaddr;
43           size_t              *sc_dmalen;
44           int                 sc_tc;                        /* used in PIO */
45           int                 sc_pad;                       /* only used in quick */
46 
47           /* for avdma */
48           int                 sc_rset;
49           int                 sc_ibuf_used;
50           uint8_t             *sc_obuf;
51           uint8_t             *sc_ibuf;
52           bus_dma_tag_t       sc_dmat;
53           bus_dmamap_t        sc_dmap;
54 };
55