2 * linux/include/asm-arm26/ecard.h
4 * definitions for expansion cards
6 * This is a new system as from Linux 1.2.3
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
13 * Reference: Acorns Risc OS 3 Programmers Reference Manuals.
20 * Currently understood cards (but not necessarily
22 * Manufacturer Product ID
24 #define MANU_ACORN 0x0000
25 #define PROD_ACORN_SCSI 0x0002
26 #define PROD_ACORN_ETHER1 0x0003
27 #define PROD_ACORN_MFM 0x000b
29 #define MANU_CCONCEPTS 0x0009
30 #define PROD_CCONCEPTS_COLOURCARD 0x0050
32 #define MANU_ANT2 0x0011
33 #define PROD_ANT_ETHER3 0x00a4
35 #define MANU_ATOMWIDE 0x0017
36 #define PROD_ATOMWIDE_3PSERIAL 0x0090
38 #define MANU_IRLAM_INSTRUMENTS 0x001f
39 #define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678
41 #define MANU_OAK 0x0021
42 #define PROD_OAK_SCSI 0x0058
44 #define MANU_MORLEY 0x002b
45 #define PROD_MORLEY_SCSI_UNCACHED 0x0067
47 #define MANU_CUMANA 0x003a
48 #define PROD_CUMANA_SCSI_2 0x003a
49 #define PROD_CUMANA_SCSI_1 0x00a0
51 #define MANU_ICS 0x003c
52 #define PROD_ICS_IDE 0x00ae
54 #define MANU_ICS2 0x003d
55 #define PROD_ICS2_IDE 0x00ae
57 #define MANU_SERPORT 0x003f
58 #define PROD_SERPORT_DSPORT 0x00b9
60 #define MANU_ARXE 0x0041
61 #define PROD_ARXE_SCSI 0x00be
63 #define MANU_I3 0x0046
64 #define PROD_I3_ETHERLAN500 0x00d4
65 #define PROD_I3_ETHERLAN600 0x00ec
66 #define PROD_I3_ETHERLAN600A 0x011e
68 #define MANU_ANT 0x0053
69 #define PROD_ANT_ETHERM 0x00d8
70 #define PROD_ANT_ETHERB 0x00e4
72 #define MANU_ALSYSTEMS 0x005b
73 #define PROD_ALSYS_SCSIATAPI 0x0107
75 #define MANU_MCS 0x0063
76 #define PROD_MCS_CONNECT32 0x0125
78 #define MANU_EESOX 0x0064
79 #define PROD_EESOX_SCSI2 0x008c
81 #define MANU_YELLOWSTONE 0x0096
82 #define PROD_YELLOWSTONE_RAPIDE32 0x0120
84 #define MANU_SIMTEC 0x005f
85 #define PROD_SIMTEC_IDE8 0x0130
86 #define PROD_SIMTEC_IDE16 0x0131
97 typedef enum { /* Cards address space */
103 typedef enum { /* Speed for ECARD_IOC space */
110 struct ecard_id { /* Card ID structure */
111 unsigned short manufacturer;
112 unsigned short product;
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 */
130 typedef struct expansion_card ecard_t;
131 typedef unsigned long *loader_t;
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;
142 #define ECARD_NUM_RESOURCES (6)
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)
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)
157 * This contains all the info needed on an expansion card
159 struct expansion_card {
160 struct expansion_card *next;
163 struct resource resource[ECARD_NUM_RESOURCES];
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? */
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 */
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 */
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 */
190 struct in_chunk_dir {
191 unsigned int start_offset;
193 unsigned char string[256];
194 unsigned char data[1];
199 * ecard_claim: claim an expansion card entry
200 * FIXME - are these atomic / called with interrupts off ?
202 #define ecard_claim(ec) ((ec)->claimed = 1)
205 * ecard_release: release an expansion card entry
207 #define ecard_release(ec) ((ec)->claimed = 0)
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.
216 extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num);
219 * Obtain the address of a card
221 extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed);
224 /* Definitions internal to ecard.c - for it's use only!!
226 * External expansion card header as read from the card
229 unsigned char r_irq:1;
230 unsigned char r_zero:1;
231 unsigned char r_fiq:1;
232 unsigned char r_id:4;
235 unsigned char r_cd:1;
236 unsigned char r_is:1;
238 unsigned char r_r1:4;
240 unsigned char r_r2:8;
242 unsigned char r_prod[2];
244 unsigned char r_manu[2];
246 unsigned char r_country;
248 unsigned char r_irqmask;
249 unsigned char r_irqoff[3];
251 unsigned char r_fiqmask;
252 unsigned char r_fiqoff[3];
256 * Chunk directory entry as read from the card
258 struct ex_chunk_dir {
260 unsigned char r_len[3];
261 unsigned long r_start;
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)
273 extern struct bus_type ecard_bus_type;
275 #define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev)
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;
283 struct device_driver drv;
286 #define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv)
288 #define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data))
289 #define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev)
291 int ecard_register_driver(struct ecard_driver *);
292 void ecard_remove_driver(struct ecard_driver *);