spifireg.h revision 1.1 1 /* $NetBSD: spifireg.h,v 1.1 2000/10/30 10:07:35 tsubai Exp $ */
2
3 /*-
4 * Copyright (c) 2000 Tsubai Masanari. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 struct spifi_reg {
30 volatile int spstat; /* RO: SPIFI state */
31 volatile int cmlen; /* RW: Command/message length */
32 volatile int cmdpage; /* RW: Command page */
33 volatile int count_hi; /* RW: Data count (high) */
34 volatile int count_mid; /* RW: (mid) */
35 volatile int count_low; /* RW: (low) */
36 volatile int svptr_hi; /* RO: Saved data pointer (high)*/
37 volatile int svptr_mid; /* RO: (mid) */
38 volatile int svptr_low; /* RO: (low) */
39 volatile int intr; /* RW: Processor interrupt */
40 volatile int imask; /* RW: Processor interrupt mask */
41 volatile int prctrl; /* RW: Processor control */
42 volatile int prstat; /* RO: Processor status */
43 volatile int init_status; /* RO: Initiator status */
44 volatile int fifoctrl; /* RW: FIFO control */
45 volatile int fifodata; /* RW: FIFO data */
46 volatile int config; /* RW: Configuration */
47 volatile int data_xfer; /* RW: Data transfer */
48 volatile int autocmd; /* RW: Auto command control */
49 volatile int autostat; /* RW: Auto status control */
50 volatile int resel; /* RW: Reselection */
51 volatile int select; /* RW: Selection */
52 volatile int prcmd; /* WO: Processor command */
53 volatile int auxctrl; /* RW: Aux control */
54 volatile int autodata; /* RW: Auto data control */
55 volatile int loopctrl; /* RW: Loopback control */
56 volatile int loopdata; /* RW: Loopback data */
57 volatile int identify; /* WO: Identify (?) */
58 volatile int complete; /* WO: Command complete (?) */
59 volatile int scsi_status; /* WO: SCSI status (?) */
60 volatile int data; /* RW: Data register (?) */
61 volatile int icond; /* RO: Interrupt condition */
62 volatile int fastwide; /* RW: Fast/wide enable */
63 volatile int exctrl; /* RW: Extended control */
64 volatile int exstat; /* RW: Extended status */
65 volatile int test; /* RW: SPIFI test register */
66 volatile int quematch; /* RW: Queue match */
67 volatile int quecode; /* RW: Queue code */
68 volatile int quetag; /* RW: Queue tag */
69 volatile int quepage; /* RW: Queue page */
70 int image[88]; /* (image of the above) */
71 struct {
72 volatile int cdb[12]; /* RW: Command descriptor block */
73 volatile int quecode; /* RW: Queue code */
74 volatile int quetag; /* RW: Queue tag */
75 volatile int idmsg; /* RW: Identify message */
76 volatile int status; /* RW: SCSI status */
77 } cmbuf[8];
78 };
79
80 /* spstat */
81 #define SPS_IDLE 0x00
82 #define SPS_SEL 0x01
83 #define SPS_ARB 0x02
84 #define SPS_RESEL 0x03
85 #define SPS_MSGOUT 0x04
86 #define SPS_COMMAND 0x05
87 #define SPS_DISCON 0x06
88 #define SPS_NXIN 0x07
89 #define SPS_INTR 0x08
90 #define SPS_NXOUT 0x09
91 #define SPS_CCOMP 0x0a
92 #define SPS_SVPTR 0x0b
93 #define SPS_STATUS 0x0c
94 #define SPS_MSGIN 0x0d
95 #define SPS_DATAOUT 0x0e
96 #define SPS_DATAIN 0x0f
97
98 /* cmlen */
99 #define CML_LENMASK 0x0f
100 #define CML_AMSG_EN 0x40
101 #define CML_ACOM_EN 0x80
102
103 /* intr and imask */
104 #define INTR_BSRQ 0x01
105 #define INTR_COMRECV 0x02
106 #define INTR_PERR 0x04
107 #define INTR_TIMEO 0x08
108 #define INTR_DERR 0x10
109 #define INTR_TGSEL 0x20
110 #define INTR_DISCON 0x40
111 #define INTR_FCOMP 0x80
112
113 #define INTR_BITMASK \
114 "\20\10FCOMP\07DISCON\06TGSEL\05DERR\04TIMEO\03PERR\02COMRECV\01BSRQ"
115
116 /* prstat */
117 #define PRS_IO 0x08
118 #define PRS_CD 0x10
119 #define PRS_MSG 0x20
120 #define PRS_ATN 0x40
121 #define PRS_Z 0x80
122 #define PRS_PHASE (PRS_MSG | PRS_CD | PRS_IO)
123
124 #define PRS_BITMASK "\20\10Z\07ATN\06MSG\05CD\04IO"
125
126 /* init_status */
127 #define IST_ACK 0x40
128
129 /* fifoctrl */
130 #define FIFOC_FSLOT 0x0f /* Free slots in FIFO */
131 #define FIFOC_SSTKACT 0x10 /* Synchronous stack active (?) */
132 #define FIFOC_RQOVRN 0x20
133 #define FIFOC_CLREVEN 0x00
134 #define FIFOC_CLRODD 0x40
135 #define FIFOC_FLUSH 0x80
136 #define FIFOC_LOAD 0xc0
137
138 /* config */
139 #define CONFIG_PGENEN 0x08 /* Parity generation enable */
140 #define CONFIG_PCHKEN 0x10 /* Parity checking enable */
141 #define CONFIG_WORDEN 0x20
142 #define CONFIG_AUTOID 0x40
143 #define CONFIG_DMABURST 0x80
144
145 /* select */
146 #define SEL_SETATN 0x02
147 #define SEL_IRESELEN 0x04
148 #define SEL_ISTART 0x08
149 #define SEL_WATN 0x80
150
151 /* prcmd */
152 #define PRC_DATAOUT 0
153 #define PRC_DATAIN 1
154 #define PRC_COMMAND 2
155 #define PRC_STATUS 3
156 #define PRC_TRPAD 4
157 #define PRC_MSGOUT 6
158 #define PRC_MSGIN 7
159 #define PRC_KILLREQ 0x08
160 #define PRC_CLRACK 0x10
161 #define PRC_NJMP 0x80
162
163 /* auxctrl */
164 #define AUXCTRL_DMAEDGE 0x04
165 #define AUXCTRL_SETRST 0x20 /* Bus reset (?) */
166 #define AUXCTRL_CRST 0x40
167 #define AUXCTRL_SRST 0x80
168
169 /* autodata */
170 #define ADATA_IN 0x40
171 #define ADATA_EN 0x80
172
173 /* icond */
174 #define ICOND_ADATAOFF 0x02
175 #define ICOND_AMSGOFF 0x06
176 #define ICOND_ACMDOFF 0x0a
177 #define ICOND_ASTATOFF 0x0e
178 #define ICOND_SVPTEXP 0x10
179 #define ICOND_ADATAMIS 0x20
180 #define ICOND_CNTZERO 0x40
181 #define ICOND_UXPHASEZ 0x80
182 #define ICOND_UXPHASENZ 0x81
183 #define ICOND_NXTREQ 0xa0
184 #define ICOND_UKMSGZ 0xc0
185 #define ICOND_UKMSGNZ 0xc1
186 #define ICOND_UBF 0xe0 /* Unexpected bus free */
187
188 /* fastwide */
189 #define FAST_FASTEN 0x01
190
191 /* exctrl */
192 #define EXC_IPLOCK 0x04 /* Initiator page lock */
193
194 /* exstat */
195 #define EXS_UBF 0x08 /* Unexpected bus free */
196