1 /*
2 * linux/include/asm-arm/ecard.h
3 *
4 * definitions for expansion cards
5 *
6 * This is a new system as from Linux 1.2.3
7 *
8 * Changelog:
9 * 11-12-1996 RMK Further minor improvements
10 * 12-09-1997 RMK Added interrupt enable/disable for card level
11 *
12 * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
13 */
14
15 #ifndef __ASM_ECARD_H
16 #define __ASM_ECARD_H
17
18 /*
19 * Currently understood cards (but not necessarily
20 * supported):
21 * Manufacturer Product ID
22 */
23 #define MANU_ACORN 0x0000
24 #define PROD_ACORN_SCSI 0x0002
25 #define PROD_ACORN_ETHER1 0x0003
26 #define PROD_ACORN_MFM 0x000b
27
28 #define MANU_ANT2 0x0011
29 #define PROD_ANT_ETHER3 0x00a4
30
31 #define MANU_ATOMWIDE 0x0017
32 #define PROD_ATOMWIDE_3PSERIAL 0x0090
33
34 #define MANU_IRLAM_INSTRUMENTS 0x001f
35 #define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678
36
37 #define MANU_OAK 0x0021
38 #define PROD_OAK_SCSI 0x0058
39
40 #define MANU_MORLEY 0x002b
41 #define PROD_MORLEY_SCSI_UNCACHED 0x0067
42
43 #define MANU_CUMANA 0x003a
44 #define PROD_CUMANA_SCSI_1 0x00a0
45 #define PROD_CUMANA_SCSI_2 0x003a
46
47 #define MANU_ICS 0x003c
48 #define PROD_ICS_IDE 0x00ae
49
50 #define MANU_ICS2 0x003d
51 #define PROD_ICS2_IDE 0x00ae
52
53 #define MANU_SERPORT 0x003f
54 #define PROD_SERPORT_DSPORT 0x00b9
55
56 #define MANU_I3 0x0046
57 #define PROD_I3_ETHERLAN500 0x00d4
58 #define PROD_I3_ETHERLAN600 0x00ec
59 #define PROD_I3_ETHERLAN600A 0x011e
60
61 #define MANU_ANT 0x0053
62 #define PROD_ANT_ETHERB 0x00e4
63
64 #define MANU_ALSYSTEMS 0x005b
65 #define PROD_ALSYS_SCSIATAPI 0x0107
66
67 #define MANU_MCS 0x0063
68 #define PROD_MCS_CONNECT32 0x0125
69
70 #define MANU_EESOX 0x0064
71 #define PROD_EESOX_SCSI2 0x008c
72
73 #define MANU_YELLOWSTONE 0x0096
74 #define PROD_YELLOWSTONE_RAPIDE32 0x0120
75
76 #ifdef ECARD_C
77 #define CONST
78 #else
79 #define CONST const
80 #endif
81
82 #define MAX_ECARDS 9
83
84 typedef enum { /* Cards address space */
85 ECARD_IOC,
86 ECARD_MEMC,
87 ECARD_EASI
88 } card_type_t;
89
90 typedef enum { /* Speed for ECARD_IOC space */
91 ECARD_SLOW = 0,
92 ECARD_MEDIUM = 1,
93 ECARD_FAST = 2,
94 ECARD_SYNC = 3
95 } card_speed_t;
96
97 typedef struct { /* Card ID structure */
98 unsigned short manufacturer;
99 unsigned short product;
100 } card_ids;
101
102 struct in_ecid { /* Packed card ID information */
103 unsigned short product; /* Product code */
104 unsigned short manufacturer; /* Manufacturer code */
105 unsigned char id:4; /* Simple ID */
106 unsigned char cd:1; /* Chunk dir present */
107 unsigned char is:1; /* Interrupt status pointers */
108 unsigned char w:2; /* Width */
109 unsigned char country; /* Country */
110 unsigned char irqmask; /* IRQ mask */
111 unsigned char fiqmask; /* FIQ mask */
112 unsigned long irqoff; /* IRQ offset */
113 unsigned long fiqoff; /* FIQ offset */
114 };
115
116 typedef struct expansion_card ecard_t;
117 typedef unsigned long *loader_t;
118
119 typedef struct { /* Card handler routines */
120 void (*irqenable)(ecard_t *ec, int irqnr);
121 void (*irqdisable)(ecard_t *ec, int irqnr);
122 int (*irqpending)(ecard_t *ec);
123 void (*fiqenable)(ecard_t *ec, int fiqnr);
124 void (*fiqdisable)(ecard_t *ec, int fiqnr);
125 int (*fiqpending)(ecard_t *ec);
126 } expansioncard_ops_t;
127
128 /*
129 * This contains all the info needed on an expansion card
130 */
131 struct expansion_card {
132 struct expansion_card *next;
133
134 /* Public data */
135 volatile unsigned char *irqaddr; /* address of IRQ register */
136 volatile unsigned char *fiqaddr; /* address of FIQ register */
137 unsigned char irqmask; /* IRQ mask */
138 unsigned char fiqmask; /* FIQ mask */
139 unsigned char claimed; /* Card claimed? */
140
141 void *irq_data; /* Data for use for IRQ by card */
142 void *fiq_data; /* Data for use for FIQ by card */
143 expansioncard_ops_t *ops; /* Enable/Disable Ops for card */
144
145 CONST unsigned int slot_no; /* Slot number */
146 CONST unsigned int dma; /* DMA number (for request_dma) */
147 CONST unsigned int irq; /* IRQ number (for request_irq) */
148 CONST unsigned int fiq; /* FIQ number (for request_irq) */
149 CONST card_type_t type; /* Type of card */
150 CONST struct in_ecid cid; /* Card Identification */
151
152 /* Private internal data */
153 const char *card_desc; /* Card description */
154 CONST unsigned int podaddr; /* Base Linux address for card */
155 CONST loader_t loader; /* loader program */
156 };
157
158 struct in_chunk_dir {
159 unsigned int start_offset;
160 union {
161 unsigned char string[256];
162 unsigned char data[1];
163 } d;
164 };
165
166 /*
167 * ecard_claim: claim an expansion card entry
168 */
169 #define ecard_claim(ec) ((ec)->claimed = 1)
170
171 /*
172 * ecard_release: release an expansion card entry
173 */
174 #define ecard_release(ec) ((ec)->claimed = 0)
175
176 /*
177 * Start finding cards from the top of the list
178 */
179 extern void ecard_startfind (void);
180
181 /*
182 * Find an expansion card with the correct cid, product and manufacturer code
183 */
184 extern struct expansion_card *ecard_find (int cid, const card_ids *ids);
185
186 /*
187 * Read a chunk from an expansion card
188 * cd : where to put read data
189 * ec : expansion card info struct
190 * id : id number to find
191 * num: (n+1)'th id to find.
192 */
193 extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
194
195 /*
196 * Obtain the address of a card
197 */
198 extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed);
199
200 #ifdef ECARD_C
201 /* Definitions internal to ecard.c - for it's use only!!
202 *
203 * External expansion card header as read from the card
204 */
205 struct ex_ecid {
206 unsigned char r_irq:1;
207 unsigned char r_zero:1;
208 unsigned char r_fiq:1;
209 unsigned char r_id:4;
210 unsigned char r_a:1;
211
212 unsigned char r_cd:1;
213 unsigned char r_is:1;
214 unsigned char r_w:2;
215 unsigned char r_r1:4;
216
217 unsigned char r_r2:8;
218
219 unsigned char r_prod[2];
220
221 unsigned char r_manu[2];
222
223 unsigned char r_country;
224
225 unsigned char r_irqmask;
226 unsigned char r_irqoff[3];
227
228 unsigned char r_fiqmask;
229 unsigned char r_fiqoff[3];
230 };
231
232 /*
233 * Chunk directory entry as read from the card
234 */
235 struct ex_chunk_dir {
236 unsigned char r_id;
237 unsigned char r_len[3];
238 unsigned long r_start;
239 union {
240 char string[256];
241 char data[1];
242 } d;
243 #define c_id(x) ((x)->r_id)
244 #define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
245 #define c_start(x) ((x)->r_start)
246 };
247
248 #endif
249
250 #endif
251
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