1/* $FreeBSD$ */
2/*	$NecBSD: ctvar.h,v 1.4.14.3 2001/06/20 06:13:34 honda Exp $	*/
3/*	$NetBSD$	*/
4
5/*-
6 * [NetBSD for NEC PC-98 series]
7 *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
8 *	NetBSD/pc98 porting staff. All rights reserved.
9 *  Copyright (c) 1995, 1996, 1997, 1998, 1999, 2000, 2001
10 *	Naofumi HONDA. All rights reserved.
11 *
12 *  Redistribution and use in source and binary forms, with or without
13 *  modification, are permitted provided that the following conditions
14 *  are met:
15 *  1. Redistributions of source code must retain the above copyright
16 *     notice, this list of conditions and the following disclaimer.
17 *  2. Redistributions in binary form must reproduce the above copyright
18 *     notice, this list of conditions and the following disclaimer in the
19 *     documentation and/or other materials provided with the distribution.
20 *  3. The name of the author may not be used to endorse or promote products
21 *     derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
25 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
26 * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
31 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
32 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33 * POSSIBILITY OF SUCH DAMAGE.
34 */
35
36#ifndef	_CTVAR_H_
37#define	_CTVAR_H_
38/*
39 * ctvar.h
40 * Generic wd33c93 chip driver's definitions
41 */
42
43/*****************************************************************
44 * Host adapter structure
45 *****************************************************************/
46struct ct_bus_access_handle {
47	struct resource *ch_io;			/* core chip ctrl port */
48	struct resource *ch_mem;		/* data port (shm) */
49
50	void (*ch_bus_weight)(struct ct_bus_access_handle *);
51
52#ifdef	CT_USE_RELOCATE_OFFSET
53	bus_addr_t ch_offset[4];
54#endif	/* CT_USE_RELOCATE_OFFSET */
55};
56
57struct ct_softc {
58	struct scsi_low_softc sc_sclow;		/* generic data */
59
60	struct ct_bus_access_handle sc_ch;	/* bus access handle */
61
62	struct resource *port_res;
63	struct resource *mem_res;
64	struct resource *irq_res;
65	struct resource *drq_res;
66
67	bus_dma_tag_t sc_dmat;			/* data DMA tag */
68	bus_dmamap_t sc_dmamapt;		/* data DMAMAP tag */
69
70	void *sc_ih;
71
72	int sc_chiprev;			/* chip version */
73#define	CT_WD33C93			0x00000
74#define	CT_WD33C93_A			0x10000
75#define	CT_AM33C93_A			0x10001
76#define	CT_WD33C93_B			0x20000
77#define	CT_WD33C93_C			0x30000
78
79	int sc_xmode;
80#define	CT_XMODE_PIO			1
81#define	CT_XMODE_DMA			2
82
83	int sc_dma;			/* dma transfer start */
84#define	CT_DMA_PIOSTART			1
85#define	CT_DMA_DMASTART			2
86
87	int sc_satgo;			/* combination cmd start */
88#define	CT_SAT_GOING			1
89
90	int sc_tmaxcnt;
91	int sc_atten;			/* attention */
92	u_int8_t sc_creg;		/* control register value */
93
94	int sc_chipclk;			/* chipclk 0, 10, 15, 20 */
95	struct ct_synch_data {
96		u_int cs_period;
97		u_int cs_syncr;
98	} *sc_sdp;			/* synchronous data table pt */
99
100	struct ct_synch_data sc_default_sdt[16];
101
102	/*
103	 * Machdep stuff.
104	 */
105	void *ct_hw;			/* point to bshw_softc etc ... */
106	int (*ct_dma_xfer_start)(struct ct_softc *);
107	int (*ct_pio_xfer_start)(struct ct_softc *);
108	void (*ct_dma_xfer_stop)(struct ct_softc *);
109	void (*ct_pio_xfer_stop)(struct ct_softc *);
110	void (*ct_bus_reset)(struct ct_softc *);
111	void (*ct_synch_setup)(struct ct_softc *, struct targ_info *);
112};
113
114/*****************************************************************
115 * Lun information
116 *****************************************************************/
117struct ct_targ_info {
118	struct targ_info cti_ti;
119
120	u_int8_t cti_syncreg;
121};
122
123/*****************************************************************
124 * PROTO
125 *****************************************************************/
126int ctprobesubr(struct ct_bus_access_handle *, u_int, int, u_int, int *);
127void ctattachsubr(struct ct_softc *);
128void ctintr(void *);
129#endif	/* !_CTVAR_H_ */
130