fixed small compiler problem.
[unix-history] / usr / src / sys / news3400 / hbdev / screg_1185.h
CommitLineData
af5295ff
KM
1/*
2 * Copyright (c) 1992 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
7 *
8 * %sccs.include.redist.c%
9 *
10 * from: $Hdr: screg_1185.h,v 4.300 91/06/09 06:22:14 root Rel41 $ SONY
11 *
12 * @(#)screg_1185.h 7.1 (Berkeley) %G%
13 */
14
15/*
16 * Copyright (c) 1989- by SONY Corporation.
17 */
18
19/*
20 * screg_1185.h ver 0.0
21 * for SCSI I/F Chip CXD1185Q
22 */
23
24/*
25 * SCSI I/F Chip CXD1185Q Register address assignment
26 */
27#ifdef mips
28# define SCSI_BASE 0xbfe00100
29#else
30# define SCSI_BASE 0xe1900000
31#endif
32
33#ifndef U_CHAR
34#ifdef mips
35#define U_CHAR volatile u_char
36#else
37#define U_CHAR u_char
38#endif
39#endif
40
41#define sc_statr *( (U_CHAR *)(SCSI_BASE + 0x0) )
42#define sc_comr *( (U_CHAR *)(SCSI_BASE + 0x0) )
43#define sc_datr *( (U_CHAR *)(SCSI_BASE + 0x1) )
44#define sc_intrq1 *( (U_CHAR *)(SCSI_BASE + 0x2) )
45#define sc_intrq2 *( (U_CHAR *)(SCSI_BASE + 0x3) )
46#define sc_envir *( (U_CHAR *)(SCSI_BASE + 0x3) )
47#define sc_cmonr *( (U_CHAR *)(SCSI_BASE + 0x4) )
48#define sc_timer *( (U_CHAR *)(SCSI_BASE + 0x4) )
49#define sc_ffstr *( (U_CHAR *)(SCSI_BASE + 0x5) )
50#define sc_idenr *( (U_CHAR *)(SCSI_BASE + 0x6) )
51#define sc_tclow *( (U_CHAR *)(SCSI_BASE + 0x7) )
52#define sc_tcmid *( (U_CHAR *)(SCSI_BASE + 0x8) )
53#define sc_tchi *( (U_CHAR *)(SCSI_BASE + 0x9) )
54#define sc_intok1 *( (U_CHAR *)(SCSI_BASE + 0xa) )
55#define sc_intok2 *( (U_CHAR *)(SCSI_BASE + 0xb) )
56#define sc_moder *( (U_CHAR *)(SCSI_BASE + 0xc) )
57#define sc_syncr *( (U_CHAR *)(SCSI_BASE + 0xd) )
58#define sc_busconr *( (U_CHAR *)(SCSI_BASE + 0xe) )
59#define sc_ioptr *( (U_CHAR *)(SCSI_BASE + 0xf) )
60
61/*
62 * CXD1185Q Register bit assignment
63 */
64
65/* sc_statr (status register) bit define
66*/
67#define R0_MRST 0x80
68#define R0_MDBP 0x40
69#define R0_INIT 0x10
70#define R0_TARG 8
71#define R0_TRBZ 4
72#define R0_MIRQ 2
73#define R0_CIP 1
74
75/* sc_comr (command register) bit define
76*/
77#define R0_DMA 0x20
78#define R0_TRBE 0x10
79
80/* sc_intrq1 (interrupt request register 1) bit define
81*/
82#define R2_STO 0x10
83#define R2_RSL 8
84#define R2_SWA 4
85#define R2_SWOA 2
86#define R2_ARBF 1
87
88/* sc_intrq2 (interrupt request register 2) bit define
89*/
90#define R3_FNC 0x80
91#define R3_DCNT 0x40
92#define R3_SRST 0x20
93#define R3_PHC 0x10
94#define R3_DATN 8
95#define R3_DPE 4
96#define R3_SPE 2
97#define R3_RMSG 1
98
99/* sc_envir (environment register) bit define
100*/
101#define R3_DIFE 0x80
102#define R3_SDPM 0x40
103#define R3_DPEN 0x20
104#define R3_SIRM 0x10
105#define R3_FS_MASK 3
106
107/* sc_cmonr (scsi control monitor register) bit define
108*/
109#define R4_MBSY 0x80
110#define R4_MSEL 0x40
111#define R4_MMSG 0x20
112#define R4_MCD 0x10
113#define R4_MIO 8
114#define R4_MREQ 4
115#define R4_MACK 2
116#define R4_MATN 1
117
118/* sc_ffstr (FIFO status register) bit define
119*/
120#define R5_FIE 0x80
121#define R5_FIF 0x10
122#define R5_FIFOREM 0x1f
123
124/* sc_idenr (scsi identify register) bit define
125*/
126#define R6_OID_MASK 0x07
127#define R6_SID_MASK 0xe0
128#define R6_TID_MASK 0xe0
129
130/* sc_intok1 (interrupt enable register 1) bit define
131*/
132#define Ra_STO 0x10
133#define Ra_RSL 8
134#define Ra_SWA 4
135#define Ra_SWOA 2
136#define Ra_ARBF 1
137
138/* sc_intok2 (interrupt enable register 2) bit define
139*/
140#define Rb_FNC 0x80
141#define Rb_DCNT 0x40
142#define Rb_SRST 0x20
143#define Rb_PHC 0x10
144#define Rb_DATN 8
145#define Rb_DPE 4
146#define Rb_SPE 2
147#define Rb_RMSG 1
148
149/* sc_moder (mode register) bit define
150*/
151#define Rc_HDPE 0x80
152#define Rc_HSPE 0x40
153#define Rc_HATN 0x20
154#define Rc_TMSL 0x10
155#define Rc_SPHI 8
156#define Rc_BDMA 1
157
158/* sc_syncr (synchronous transfer control register) bit define
159*/
160#define Rd_TPD_MASK 0xf0
161#define Rd_TOF_MASK 0x0f
162#define MIN_TP 62 /* minimum transfer period 4ns * 25 */
163#define MAX_OFFSET 15
164
165/* sc_busconr (scsi bus control register) bit define
166*/
167#define Re_ABSY 0x80
168#define Re_ASEL 0x40
169#define Re_AMSG 0x20
170#define Re_ACD 0x10
171#define Re_AIO 8
172#define Re_AREQ 4
173#define Re_AACK 2
174#define Re_AATN 1
175
176/* sc_ioptr (I/O port) bit define
177*/
178#define Rf_PCN_MASK 0xf0
179# define Rf_PCN3 0x80
180# define Rf_PCN2 0x40
181# define Rf_PCN1 0x20
182# define Rf_PCN0 0x10
183#define Rf_PRT_MASK 0x0f
184# define Rf_PRT3 8
185# define Rf_PRT2 4
186# define Rf_PRT1 2
187# define Rf_PRT0 1
188
189
190/*
191 * CXD1185Q commands
192 */
193/* category 0
194*/
195#define SCMD_NOP 0x00
196#define SCMD_CHIP_RST 0x01
197#define SCMD_AST_RST 0x02
198#define SCMD_FLSH_FIFO 0x03
199#define SCMD_AST_CTRL 0x04
200#define SCMD_NGT_CTRL 0x05
201#define SCMD_AST_DATA 0x06
202#define SCMD_NGT_DATA 0x07
203
204/* category 1
205*/
206#define SCMD_RESEL 0x40
207#define SCMD_SEL 0x41
208#define SCMD_SEL_ATN 0x42
209#define SCMD_ENB_SEL 0x43
210#define SCMD_DIS_SEL 0x44
211
212/* category 2
213*/
214#define SCMD_SEND_MES 0x80
215#define SCMD_SEND_STAT 0x81
216#define SCMD_SEND_DATA 0x82
217#define SCMD_DISCONNECT 0x83
218#define SCMD_RCV_MOUT 0x84
219#define SCMD_RCV_CMD 0x85
220#define SCMD_RCV_DATA 0x86
221
222/* category 3
223*/
224#define SCMD_TR_INFO 0xc0
225#define SCMD_TR_PAD 0xc1
226#define SCMD_NGT_ACK 0xc2
227#define SCMD_AST_ATN 0xc3
228#define SCMD_NGT_ATN 0xc4
229
230
231/*
232 * scsi parameter definition
233 */
234/* SCSI bus ID
235*/
236#define SC_OWNID 0x7
237#define SC_TG_SHIFT 5
238
239/* scsi bus phase
240*/
241#define SC_PMASK (R4_MMSG|R4_MCD|R4_MIO)
242# define DAT_OUT 0
243# define DAT_IN R4_MIO
244# define COM_OUT R4_MCD
245# define STAT_IN (R4_MCD|R4_MIO)
246# define MES_OUT (R4_MMSG|R4_MCD)
247# define MES_IN (R4_MMSG|R4_MCD|R4_MIO)
248
249/* scsi command types define
250*/
251#define CMD_TYPEMASK 0xe0
252# define CMD_T0 0 /* 6 byte commands */
253# define CMD_T1 0x20 /* 10 byte commands */
254# define CMD_T5 0xa0 /* 12 byte commands */
255# define CMD_T6 0xc0
256# define CMD_T7 0xe0
257
258#define MAXNSCSI 1