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_2 0x003a 45#define PROD_CUMANA_SCSI_1 0x00a0 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_ETHERM 0x00d8 63#define PROD_ANT_ETHERB 0x00e4 64 65#define MANU_ALSYSTEMS 0x005b 66#define PROD_ALSYS_SCSIATAPI 0x0107 67 68#define MANU_MCS 0x0063 69#define PROD_MCS_CONNECT32 0x0125 70 71#define MANU_EESOX 0x0064 72#define PROD_EESOX_SCSI2 0x008c 73 74#define MANU_YELLOWSTONE 0x0096 75#define PROD_YELLOWSTONE_RAPIDE32 0x0120 76 77#ifdef ECARD_C 78#define CONST 79#else 80#define CONST const 81#endif 82 83#define MAX_ECARDS 9 84 85typedef enum { /* Cards address space */ 86 ECARD_IOC, 87 ECARD_MEMC, 88 ECARD_EASI 89} card_type_t; 90 91typedef enum { /* Speed for ECARD_IOC space */ 92 ECARD_SLOW = 0, 93 ECARD_MEDIUM = 1, 94 ECARD_FAST = 2, 95 ECARD_SYNC = 3 96} card_speed_t; 97 98typedef struct { /* Card ID structure */ 99 unsigned short manufacturer; 100 unsigned short product; 101} card_ids; 102 103struct in_ecid { /* Packed card ID information */ 104 unsigned short product; /* Product code */ 105 unsigned short manufacturer; /* Manufacturer code */ 106 unsigned char id:4; /* Simple ID */ 107 unsigned char cd:1; /* Chunk dir present */ 108 unsigned char is:1; /* Interrupt status pointers */ 109 unsigned char w:2; /* Width */ 110 unsigned char country; /* Country */ 111 unsigned char irqmask; /* IRQ mask */ 112 unsigned char fiqmask; /* FIQ mask */ 113 unsigned long irqoff; /* IRQ offset */ 114 unsigned long fiqoff; /* FIQ offset */ 115}; 116 117typedef struct expansion_card ecard_t; 118typedef unsigned long *loader_t; 119 120typedef struct { /* Card handler routines */ 121 void (*irqenable)(ecard_t *ec, int irqnr); 122 void (*irqdisable)(ecard_t *ec, int irqnr); 123 int (*irqpending)(ecard_t *ec); 124 void (*fiqenable)(ecard_t *ec, int fiqnr); 125 void (*fiqdisable)(ecard_t *ec, int fiqnr); 126 int (*fiqpending)(ecard_t *ec); 127} expansioncard_ops_t; 128 129/* 130 * This contains all the info needed on an expansion card 131 */ 132struct expansion_card { 133 struct expansion_card *next; 134 135 /* Public data */ 136 volatile unsigned char *irqaddr; /* address of IRQ register */ 137 volatile unsigned char *fiqaddr; /* address of FIQ register */ 138 unsigned char irqmask; /* IRQ mask */ 139 unsigned char fiqmask; /* FIQ mask */ 140 unsigned char claimed; /* Card claimed? */ 141 142 void *irq_data; /* Data for use for IRQ by card */ 143 void *fiq_data; /* Data for use for FIQ by card */ 144 expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ 145 146 CONST unsigned int slot_no; /* Slot number */ 147 CONST unsigned int dma; /* DMA number (for request_dma) */ 148 CONST unsigned int irq; /* IRQ number (for request_irq) */ 149 CONST unsigned int fiq; /* FIQ number (for request_irq) */ 150 CONST card_type_t type; /* Type of card */ 151 CONST struct in_ecid cid; /* Card Identification */ 152 153 /* Private internal data */ 154 const char *card_desc; /* Card description */ 155 CONST unsigned int podaddr; /* Base Linux address for card */ 156 CONST loader_t loader; /* loader program */ 157}; 158 159struct in_chunk_dir { 160 unsigned int start_offset; 161 union { 162 unsigned char string[256]; 163 unsigned char data[1]; 164 } d; 165}; 166 167/* 168 * ecard_claim: claim an expansion card entry 169 */ 170#define ecard_claim(ec) ((ec)->claimed = 1) 171 172/* 173 * ecard_release: release an expansion card entry 174 */ 175#define ecard_release(ec) ((ec)->claimed = 0) 176 177/* 178 * Start finding cards from the top of the list 179 */ 180extern void ecard_startfind (void); 181 182/* 183 * Find an expansion card with the correct cid, product and manufacturer code 184 */ 185extern struct expansion_card *ecard_find (int cid, const card_ids *ids); 186 187/* 188 * Read a chunk from an expansion card 189 * cd : where to put read data 190 * ec : expansion card info struct 191 * id : id number to find 192 * num: (n+1)'th id to find. 193 */ 194extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num); 195 196/* 197 * Obtain the address of a card 198 */ 199extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed); 200 201#ifdef ECARD_C 202/* Definitions internal to ecard.c - for it's use only!! 203 * 204 * External expansion card header as read from the card 205 */ 206struct ex_ecid { 207 unsigned char r_irq:1; 208 unsigned char r_zero:1; 209 unsigned char r_fiq:1; 210 unsigned char r_id:4; 211 unsigned char r_a:1; 212 213 unsigned char r_cd:1; 214 unsigned char r_is:1; 215 unsigned char r_w:2; 216 unsigned char r_r1:4; 217 218 unsigned char r_r2:8; 219 220 unsigned char r_prod[2]; 221 222 unsigned char r_manu[2]; 223 224 unsigned char r_country; 225 226 unsigned char r_irqmask; 227 unsigned char r_irqoff[3]; 228 229 unsigned char r_fiqmask; 230 unsigned char r_fiqoff[3]; 231}; 232 233/* 234 * Chunk directory entry as read from the card 235 */ 236struct ex_chunk_dir { 237 unsigned char r_id; 238 unsigned char r_len[3]; 239 unsigned long r_start; 240 union { 241 char string[256]; 242 char data[1]; 243 } d; 244#define c_id(x) ((x)->r_id) 245#define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16)) 246#define c_start(x) ((x)->r_start) 247}; 248 249#endif 250 251#endif 252