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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 |