xref: /NextBSD/sys/dev/stg/tmc18c30reg.h (revision eb1a5f8de9f7ea602c373a710f531abbf81141c4)
1 /*	$FreeBSD$	*/
2 /*	$NecBSD: tmc18c30reg.h,v 1.4.24.1 2001/06/08 06:27:50 honda Exp $	*/
3 /*	$NetBSD$	*/
4 
5 /*-
6  * [NetBSD for NEC PC-98 series]
7  *  Copyright (c) 1996, 1997, 1998
8  *	NetBSD/pc98 porting staff. All rights reserved.
9  *  Copyright (c) 1996, 1997, 1998
10  *	Kouichi Matsuda. 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	_TMC18C30REG_H_
37 #define	_TMC18C30REG_H_
38 
39 #define	tmc_wdata	0x00
40 #define	tmc_rdata	0x00
41 
42 #define	tmc_bctl	0x01
43 #define		BCTL_BUSFREE	0x00
44 #define		BCTL_RST	0x01
45 #define		BCTL_SEL	0x02
46 #define		BCTL_BSY	0x04
47 #define		BCTL_ATN	0x08
48 #define		BCTL_IO		0x10
49 #define		BCTL_CD		0x20
50 #define		BCTL_MSG	0x40
51 #define		BCTL_BUSEN	0x80
52 #define	tmc_bstat	0x01
53 #define		BSTAT_BSY	0x01
54 #define		BSTAT_MSG	0x02
55 #define		BSTAT_IO	0x04
56 #define		BSTAT_CMD	0x08
57 #define		BSTAT_REQ	0x10
58 #define		BSTAT_SEL	0x20
59 #define		BSTAT_ACK	0x40
60 
61 #define	tmc_ictl	0x02
62 #define		ICTL_FIFO	0x10
63 #define		ICTL_ARBIT	0x20
64 #define		ICTL_SEL	0x40
65 #define		ICTL_CD		0x80
66 #define		ICTL_ALLINT	(ICTL_ARBIT | ICTL_CD | ICTL_SEL | ICTL_FIFO)
67 #define	tmc_astat	0x02
68 #define		ASTAT_INT	0x01
69 #define		ASTAT_ARBIT	0x02
70 #define		ASTAT_PARERR	0x04
71 #define		ASTAT_SCSIRST	0x08
72 #define		ASTAT_STATMASK	0x0f
73 #define		ASTAT_FIFODIR	0x10
74 #define		ASTAT_FIFOEN	0x20
75 #define		ASTAT_PARENB	0x40
76 #define		ASTAT_BUSEN	0x80
77 
78 #define	tmc_ssctl	0x03
79 #define		SSCTL_FSYNCHEN	0x40
80 #define		SSCTL_SYNCHEN	0x80
81 #define	tmc_fstat	0x03
82 
83 #define	tmc_fctl	0x04
84 #define		FCTL_CLRFIFO	0x01
85 #define		FCTL_ARBIT	0x04
86 #define		FCTL_PARENB	0x08
87 #define		FCTL_INTEN	0x10
88 #define		FCTL_CLRINT	0x20
89 #define		FCTL_FIFOW	0x40
90 #define		FCTL_FIFOEN	0x80
91 #define	tmc_icnd	0x04
92 
93 #define	tmc_mctl	0x05
94 #define	tmc_idlsb	0x05
95 
96 #define	tmc_idmsb	0x06
97 
98 #define	tmc_wlb		0x07
99 #define	tmc_rlb		0x07
100 
101 #define	tmc_scsiid	0x08
102 #define	tmc_sdna	0x08
103 
104 #define	tmc_istat	0x09
105 #define		ISTAT_INTEN	0x08
106 #define		ISTAT_FIFO	0x10
107 #define		ISTAT_ARBIT	0x20
108 #define		ISTAT_SEL	0x40
109 #define		ISTAT_CD	0x80
110 
111 #define	tmc_cfg1	0x0a
112 
113 #define	tmc_ioctl	0x0b
114 #define		IOCTL_IO32	0x80
115 #define	tmc_cfg2	0x0b
116 
117 #define	tmc_wfifo	0x0c
118 #define	tmc_rfifo	0x0c
119 
120 #define	tmc_fdcnt	0x0e
121 
122 /* Information transfer phases */
123 #define	BUSFREE_PHASE		0x00
124 #define	DATA_OUT_PHASE		(BSTAT_BSY)
125 #define	DATA_IN_PHASE		(BSTAT_BSY|BSTAT_IO)
126 #define	COMMAND_PHASE		(BSTAT_CMD|BSTAT_BSY)
127 #define	STATUS_PHASE		(BSTAT_CMD|BSTAT_BSY|BSTAT_IO)
128 #define	MESSAGE_OUT_PHASE	(BSTAT_CMD|BSTAT_MSG|BSTAT_BSY)
129 #define	MESSAGE_IN_PHASE	(BSTAT_CMD|BSTAT_MSG|BSTAT_BSY|BSTAT_IO)
130 #define	PHASE_RESELECTED	(BSTAT_SEL|BSTAT_IO)
131 
132 #define	BSTAT_PHMASK		(BSTAT_MSG | BSTAT_IO | BSTAT_CMD)
133 #define	PHASE_MASK		(BSTAT_SEL | BSTAT_BSY | BSTAT_PHMASK)
134 #define	RESEL_PHASE_MASK	(BSTAT_SEL | BSTAT_PHMASK)
135 
136 #define	STG_IS_PHASE_DATA(st) \
137 	((((st) & PHASE_MASK) & ~BSTAT_IO) == BSTAT_BSY)
138 
139 /* chip type */
140 #define	TMCCHIP_UNK		0x00
141 #define	TMCCHIP_1800		0x01
142 #define	TMCCHIP_18C50		0x02
143 #define	TMCCHIP_18C30		0x03
144 
145 #define	STGIOSZ	0x10
146 
147 #endif	/* !_TMC18C30REG_H_ */
148