remove __P() from this directory
[dragonfly.git] / sys / dev / disk / ct / bshwvar.h
CommitLineData
984263bc 1/* $FreeBSD: src/sys/dev/ct/bshwvar.h,v 1.2.2.1 2001/07/26 02:32:18 nyan Exp $ */
38e94a25 2/* $DragonFly: src/sys/dev/disk/ct/Attic/bshwvar.h,v 1.3 2003/08/27 10:35:16 rob Exp $ */
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3/* $NecBSD: bshwvar.h,v 1.3.14.3 2001/06/21 04:07:37 honda Exp $ */
4/* $NetBSD$ */
5
6/*
7 * [NetBSD for NEC PC-98 series]
8 * Copyright (c) 1994, 1995, 1996, 1997, 1998
9 * NetBSD/pc98 porting staff. All rights reserved.
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. 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
24 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
25 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
26 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
30 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 * POSSIBILITY OF SUCH DAMAGE.
33 */
34#ifndef _BSHWVAR_H_
35#define _BSHWVAR_H_
36
37/*
38 * bshwvar.h
39 * NEC 55 compatible board specific definitions
40 */
41
42#define BSHW_DEFAULT_CHIPCLK 20 /* 20MHz */
43#define BSHW_DEFAULT_HOSTID 7
44
45struct bshw {
46#define BSHW_SYNC_RELOAD 0x01
47#define BSHW_SMFIFO 0x02
48#define BSHW_DOUBLE_DMACHAN 0x04
49 u_int hw_flags;
50 u_int hw_sregaddr;
51
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52 int ((*hw_dma_init) (struct ct_softc *));
53 void ((*hw_dma_start) (struct ct_softc *));
54 void ((*hw_dma_stop) (struct ct_softc *));
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55};
56
57struct bshw_softc {
58 int sc_hostid;
59 int sc_irq; /* irq */
60 int sc_drq; /* drq */
61
62 /* dma transfer */
63 u_int8_t *sc_segaddr;
64 u_int8_t *sc_bufp;
65 int sc_seglen;
66 u_int sc_sdatalen; /* SMIT */
67 u_int sc_edatalen; /* SMIT */
68
69 /* private bounce */
70 u_int8_t *sc_bounce_phys;
71 u_int8_t *sc_bounce_addr;
72 u_int sc_bounce_size;
73 bus_addr_t sc_minphys;
74
75 /* io control */
76#define BSHW_READ_INTERRUPT_DRIVEN 0x0001
77#define BSHW_WRITE_INTERRUPT_DRIVEN 0x0002
78#define BSHW_DMA_BLOCK 0x0010
79#define BSHW_SMIT_BLOCK 0x0020
80 u_int sc_io_control;
81
82 /* hardware */
83 struct bshw *sc_hw;
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84 void ((*sc_dmasync_before)) (struct ct_softc *);
85 void ((*sc_dmasync_after)) (struct ct_softc *);
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86};
87
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88void bshw_synch_setup (struct ct_softc *, struct targ_info *);
89void bshw_bus_reset (struct ct_softc *);
90int bshw_read_settings (struct ct_bus_access_handle *, struct bshw_softc *);
91int bshw_smit_xfer_start (struct ct_softc *);
92void bshw_smit_xfer_stop (struct ct_softc *);
93int bshw_dma_xfer_start (struct ct_softc *);
94void bshw_dma_xfer_stop (struct ct_softc *);
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95
96extern struct dvcfg_hwsel bshw_hwsel;
97#endif /* !_BSHWVAR_H_ */