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1da177e4 LT |
1 | /* |
2 | * linux/include/asm-arm26/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 | * 18-05-2003 IM Adjusted for ARM26 | |
12 | * | |
13 | * Reference: Acorns Risc OS 3 Programmers Reference Manuals. | |
14 | */ | |
15 | ||
16 | #ifndef __ASM_ECARD_H | |
17 | #define __ASM_ECARD_H | |
18 | ||
19 | /* | |
20 | * Currently understood cards (but not necessarily | |
21 | * supported): | |
22 | * Manufacturer Product ID | |
23 | */ | |
24 | #define MANU_ACORN 0x0000 | |
25 | #define PROD_ACORN_SCSI 0x0002 | |
26 | #define PROD_ACORN_ETHER1 0x0003 | |
27 | #define PROD_ACORN_MFM 0x000b | |
28 | ||
29 | #define MANU_CCONCEPTS 0x0009 | |
30 | #define PROD_CCONCEPTS_COLOURCARD 0x0050 | |
31 | ||
32 | #define MANU_ANT2 0x0011 | |
33 | #define PROD_ANT_ETHER3 0x00a4 | |
34 | ||
35 | #define MANU_ATOMWIDE 0x0017 | |
36 | #define PROD_ATOMWIDE_3PSERIAL 0x0090 | |
37 | ||
38 | #define MANU_IRLAM_INSTRUMENTS 0x001f | |
39 | #define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678 | |
40 | ||
41 | #define MANU_OAK 0x0021 | |
42 | #define PROD_OAK_SCSI 0x0058 | |
43 | ||
44 | #define MANU_MORLEY 0x002b | |
45 | #define PROD_MORLEY_SCSI_UNCACHED 0x0067 | |
46 | ||
47 | #define MANU_CUMANA 0x003a | |
48 | #define PROD_CUMANA_SCSI_2 0x003a | |
49 | #define PROD_CUMANA_SCSI_1 0x00a0 | |
50 | ||
51 | #define MANU_ICS 0x003c | |
52 | #define PROD_ICS_IDE 0x00ae | |
53 | ||
54 | #define MANU_ICS2 0x003d | |
55 | #define PROD_ICS2_IDE 0x00ae | |
56 | ||
57 | #define MANU_SERPORT 0x003f | |
58 | #define PROD_SERPORT_DSPORT 0x00b9 | |
59 | ||
60 | #define MANU_ARXE 0x0041 | |
61 | #define PROD_ARXE_SCSI 0x00be | |
62 | ||
63 | #define MANU_I3 0x0046 | |
64 | #define PROD_I3_ETHERLAN500 0x00d4 | |
65 | #define PROD_I3_ETHERLAN600 0x00ec | |
66 | #define PROD_I3_ETHERLAN600A 0x011e | |
67 | ||
68 | #define MANU_ANT 0x0053 | |
69 | #define PROD_ANT_ETHERM 0x00d8 | |
70 | #define PROD_ANT_ETHERB 0x00e4 | |
71 | ||
72 | #define MANU_ALSYSTEMS 0x005b | |
73 | #define PROD_ALSYS_SCSIATAPI 0x0107 | |
74 | ||
75 | #define MANU_MCS 0x0063 | |
76 | #define PROD_MCS_CONNECT32 0x0125 | |
77 | ||
78 | #define MANU_EESOX 0x0064 | |
79 | #define PROD_EESOX_SCSI2 0x008c | |
80 | ||
81 | #define MANU_YELLOWSTONE 0x0096 | |
82 | #define PROD_YELLOWSTONE_RAPIDE32 0x0120 | |
83 | ||
84 | #define MANU_SIMTEC 0x005f | |
85 | #define PROD_SIMTEC_IDE8 0x0130 | |
86 | #define PROD_SIMTEC_IDE16 0x0131 | |
87 | ||
88 | ||
89 | #ifdef ECARD_C | |
90 | #define CONST | |
91 | #else | |
92 | #define CONST const | |
93 | #endif | |
94 | ||
95 | #define MAX_ECARDS 4 | |
96 | ||
97 | typedef enum { /* Cards address space */ | |
98 | ECARD_IOC, | |
99 | ECARD_MEMC, | |
100 | ECARD_EASI | |
101 | } card_type_t; | |
102 | ||
103 | typedef enum { /* Speed for ECARD_IOC space */ | |
104 | ECARD_SLOW = 0, | |
105 | ECARD_MEDIUM = 1, | |
106 | ECARD_FAST = 2, | |
107 | ECARD_SYNC = 3 | |
108 | } card_speed_t; | |
109 | ||
110 | struct ecard_id { /* Card ID structure */ | |
111 | unsigned short manufacturer; | |
112 | unsigned short product; | |
113 | void *data; | |
114 | }; | |
115 | ||
116 | struct in_ecid { /* Packed card ID information */ | |
117 | unsigned short product; /* Product code */ | |
118 | unsigned short manufacturer; /* Manufacturer code */ | |
119 | unsigned char id:4; /* Simple ID */ | |
120 | unsigned char cd:1; /* Chunk dir present */ | |
121 | unsigned char is:1; /* Interrupt status pointers */ | |
122 | unsigned char w:2; /* Width */ | |
123 | unsigned char country; /* Country */ | |
124 | unsigned char irqmask; /* IRQ mask */ | |
125 | unsigned char fiqmask; /* FIQ mask */ | |
126 | unsigned long irqoff; /* IRQ offset */ | |
127 | unsigned long fiqoff; /* FIQ offset */ | |
128 | }; | |
129 | ||
130 | typedef struct expansion_card ecard_t; | |
131 | typedef unsigned long *loader_t; | |
132 | ||
133 | typedef struct { /* Card handler routines */ | |
134 | void (*irqenable)(ecard_t *ec, int irqnr); | |
135 | void (*irqdisable)(ecard_t *ec, int irqnr); | |
136 | int (*irqpending)(ecard_t *ec); | |
137 | void (*fiqenable)(ecard_t *ec, int fiqnr); | |
138 | void (*fiqdisable)(ecard_t *ec, int fiqnr); | |
139 | int (*fiqpending)(ecard_t *ec); | |
140 | } expansioncard_ops_t; | |
141 | ||
142 | #define ECARD_NUM_RESOURCES (6) | |
143 | ||
144 | #define ECARD_RES_IOCSLOW (0) | |
145 | #define ECARD_RES_IOCMEDIUM (1) | |
146 | #define ECARD_RES_IOCFAST (2) | |
147 | #define ECARD_RES_IOCSYNC (3) | |
148 | #define ECARD_RES_MEMC (4) | |
149 | #define ECARD_RES_EASI (5) | |
150 | ||
151 | #define ecard_resource_start(ec,nr) ((ec)->resource[nr].start) | |
152 | #define ecard_resource_end(ec,nr) ((ec)->resource[nr].end) | |
153 | #define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \ | |
154 | (ec)->resource[nr].start + 1) | |
155 | ||
156 | /* | |
157 | * This contains all the info needed on an expansion card | |
158 | */ | |
159 | struct expansion_card { | |
160 | struct expansion_card *next; | |
161 | ||
162 | struct device dev; | |
163 | struct resource resource[ECARD_NUM_RESOURCES]; | |
164 | ||
165 | /* Public data */ | |
166 | volatile unsigned char *irqaddr; /* address of IRQ register */ | |
167 | volatile unsigned char *fiqaddr; /* address of FIQ register */ | |
168 | unsigned char irqmask; /* IRQ mask */ | |
169 | unsigned char fiqmask; /* FIQ mask */ | |
170 | unsigned char claimed; /* Card claimed? */ | |
171 | ||
172 | void *irq_data; /* Data for use for IRQ by card */ | |
173 | void *fiq_data; /* Data for use for FIQ by card */ | |
174 | const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ | |
175 | ||
176 | CONST unsigned int slot_no; /* Slot number */ | |
177 | CONST unsigned int dma; /* DMA number (for request_dma) */ | |
178 | CONST unsigned int irq; /* IRQ number (for request_irq) */ | |
179 | CONST unsigned int fiq; /* FIQ number (for request_irq) */ | |
180 | CONST card_type_t type; /* Type of card */ | |
181 | CONST struct in_ecid cid; /* Card Identification */ | |
182 | ||
183 | /* Private internal data */ | |
184 | const char *card_desc; /* Card description */ | |
185 | CONST unsigned int podaddr; /* Base Linux address for card */ | |
186 | CONST loader_t loader; /* loader program */ | |
187 | u64 dma_mask; | |
188 | }; | |
189 | ||
190 | struct in_chunk_dir { | |
191 | unsigned int start_offset; | |
192 | union { | |
193 | unsigned char string[256]; | |
194 | unsigned char data[1]; | |
195 | } d; | |
196 | }; | |
197 | ||
198 | /* | |
199 | * ecard_claim: claim an expansion card entry | |
200 | * FIXME - are these atomic / called with interrupts off ? | |
201 | */ | |
202 | #define ecard_claim(ec) ((ec)->claimed = 1) | |
203 | ||
204 | /* | |
205 | * ecard_release: release an expansion card entry | |
206 | */ | |
207 | #define ecard_release(ec) ((ec)->claimed = 0) | |
208 | ||
209 | /* | |
210 | * Read a chunk from an expansion card | |
211 | * cd : where to put read data | |
212 | * ec : expansion card info struct | |
213 | * id : id number to find | |
214 | * num: (n+1)'th id to find. | |
215 | */ | |
216 | extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num); | |
217 | ||
218 | /* | |
219 | * Obtain the address of a card | |
220 | */ | |
221 | extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed); | |
222 | ||
223 | #ifdef ECARD_C | |
224 | /* Definitions internal to ecard.c - for it's use only!! | |
225 | * | |
226 | * External expansion card header as read from the card | |
227 | */ | |
228 | struct ex_ecid { | |
229 | unsigned char r_irq:1; | |
230 | unsigned char r_zero:1; | |
231 | unsigned char r_fiq:1; | |
232 | unsigned char r_id:4; | |
233 | unsigned char r_a:1; | |
234 | ||
235 | unsigned char r_cd:1; | |
236 | unsigned char r_is:1; | |
237 | unsigned char r_w:2; | |
238 | unsigned char r_r1:4; | |
239 | ||
240 | unsigned char r_r2:8; | |
241 | ||
242 | unsigned char r_prod[2]; | |
243 | ||
244 | unsigned char r_manu[2]; | |
245 | ||
246 | unsigned char r_country; | |
247 | ||
248 | unsigned char r_irqmask; | |
249 | unsigned char r_irqoff[3]; | |
250 | ||
251 | unsigned char r_fiqmask; | |
252 | unsigned char r_fiqoff[3]; | |
253 | }; | |
254 | ||
255 | /* | |
256 | * Chunk directory entry as read from the card | |
257 | */ | |
258 | struct ex_chunk_dir { | |
259 | unsigned char r_id; | |
260 | unsigned char r_len[3]; | |
261 | unsigned long r_start; | |
262 | union { | |
263 | char string[256]; | |
264 | char data[1]; | |
265 | } d; | |
266 | #define c_id(x) ((x)->r_id) | |
267 | #define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16)) | |
268 | #define c_start(x) ((x)->r_start) | |
269 | }; | |
270 | ||
271 | #endif | |
272 | ||
273 | extern struct bus_type ecard_bus_type; | |
274 | ||
275 | #define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev) | |
276 | ||
277 | struct ecard_driver { | |
278 | int (*probe)(struct expansion_card *, const struct ecard_id *id); | |
279 | void (*remove)(struct expansion_card *); | |
280 | void (*shutdown)(struct expansion_card *); | |
281 | const struct ecard_id *id_table; | |
282 | unsigned int id; | |
283 | struct device_driver drv; | |
284 | }; | |
285 | ||
286 | #define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv) | |
287 | ||
288 | #define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data)) | |
289 | #define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev) | |
290 | ||
291 | int ecard_register_driver(struct ecard_driver *); | |
292 | void ecard_remove_driver(struct ecard_driver *); | |
293 | ||
294 | #endif |