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_ARXE 0x0041 57#define PROD_ARXE_SCSI 0x00be 58 59#define MANU_I3 0x0046 60#define PROD_I3_ETHERLAN500 0x00d4 61#define PROD_I3_ETHERLAN600 0x00ec 62#define PROD_I3_ETHERLAN600A 0x011e 63 64#define MANU_ANT 0x0053 65#define PROD_ANT_ETHERM 0x00d8 66#define PROD_ANT_ETHERB 0x00e4 67 68#define MANU_ALSYSTEMS 0x005b 69#define PROD_ALSYS_SCSIATAPI 0x0107 70 71#define MANU_MCS 0x0063 72#define PROD_MCS_CONNECT32 0x0125 73 74#define MANU_EESOX 0x0064 75#define PROD_EESOX_SCSI2 0x008c 76 77#define MANU_YELLOWSTONE 0x0096 78#define PROD_YELLOWSTONE_RAPIDE32 0x0120 79 80#ifdef ECARD_C 81#define CONST 82#else 83#define CONST const 84#endif 85 86#define MAX_ECARDS 9 87 88typedef enum { /* Cards address space */ 89 ECARD_IOC, 90 ECARD_MEMC, 91 ECARD_EASI 92} card_type_t; 93 94typedef enum { /* Speed for ECARD_IOC space */ 95 ECARD_SLOW = 0, 96 ECARD_MEDIUM = 1, 97 ECARD_FAST = 2, 98 ECARD_SYNC = 3 99} card_speed_t; 100 101struct ecard_id { /* Card ID structure */ 102 unsigned short manufacturer; 103 unsigned short product; 104 void *data; 105}; 106 107struct in_ecid { /* Packed card ID information */ 108 unsigned short product; /* Product code */ 109 unsigned short manufacturer; /* Manufacturer code */ 110 unsigned char id:4; /* Simple ID */ 111 unsigned char cd:1; /* Chunk dir present */ 112 unsigned char is:1; /* Interrupt status pointers */ 113 unsigned char w:2; /* Width */ 114 unsigned char country; /* Country */ 115 unsigned char irqmask; /* IRQ mask */ 116 unsigned char fiqmask; /* FIQ mask */ 117 unsigned long irqoff; /* IRQ offset */ 118 unsigned long fiqoff; /* FIQ offset */ 119}; 120 121typedef struct expansion_card ecard_t; 122typedef unsigned long *loader_t; 123 124typedef struct expansion_card_ops { /* Card handler routines */ 125 void (*irqenable)(ecard_t *ec, int irqnr); 126 void (*irqdisable)(ecard_t *ec, int irqnr); 127 int (*irqpending)(ecard_t *ec); 128 void (*fiqenable)(ecard_t *ec, int fiqnr); 129 void (*fiqdisable)(ecard_t *ec, int fiqnr); 130 int (*fiqpending)(ecard_t *ec); 131} expansioncard_ops_t; 132 133#define ECARD_NUM_RESOURCES (6) 134 135#define ECARD_RES_IOCSLOW (0) 136#define ECARD_RES_IOCMEDIUM (1) 137#define ECARD_RES_IOCFAST (2) 138#define ECARD_RES_IOCSYNC (3) 139#define ECARD_RES_MEMC (4) 140#define ECARD_RES_EASI (5) 141 142#define ecard_resource_start(ec,nr) ((ec)->resource[nr].start) 143#define ecard_resource_end(ec,nr) ((ec)->resource[nr].end) 144#define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \ 145 (ec)->resource[nr].start + 1) 146#define ecard_resource_flags(ec,nr) ((ec)->resource[nr].flags) 147 148/* 149 * This contains all the info needed on an expansion card 150 */ 151struct expansion_card { 152 struct expansion_card *next; 153 154 struct device dev; 155 struct resource resource[ECARD_NUM_RESOURCES]; 156 157 /* Public data */ 158 void __iomem *irqaddr; /* address of IRQ register */ 159 void __iomem *fiqaddr; /* address of FIQ register */ 160 unsigned char irqmask; /* IRQ mask */ 161 unsigned char fiqmask; /* FIQ mask */ 162 unsigned char claimed; /* Card claimed? */ 163 unsigned char easi; /* EASI card */ 164 165 void *irq_data; /* Data for use for IRQ by card */ 166 void *fiq_data; /* Data for use for FIQ by card */ 167 const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ 168 169 CONST unsigned int slot_no; /* Slot number */ 170 CONST unsigned int dma; /* DMA number (for request_dma) */ 171 CONST unsigned int irq; /* IRQ number (for request_irq) */ 172 CONST unsigned int fiq; /* FIQ number (for request_irq) */ 173 CONST struct in_ecid cid; /* Card Identification */ 174 175 /* Private internal data */ 176 const char *card_desc; /* Card description */ 177 CONST unsigned int podaddr; /* Base Linux address for card */ 178 CONST loader_t loader; /* loader program */ 179 u64 dma_mask; 180}; 181 182void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data); 183 184struct in_chunk_dir { 185 unsigned int start_offset; 186 union { 187 unsigned char string[256]; 188 unsigned char data[1]; 189 } d; 190}; 191 192/* 193 * ecard_claim: claim an expansion card entry 194 */ 195#define ecard_claim(ec) ((ec)->claimed = 1) 196 197/* 198 * ecard_release: release an expansion card entry 199 */ 200#define ecard_release(ec) ((ec)->claimed = 0) 201 202/* 203 * Read a chunk from an expansion card 204 * cd : where to put read data 205 * ec : expansion card info struct 206 * id : id number to find 207 * num: (n+1)'th id to find. 208 */ 209extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num); 210 211/* 212 * Obtain the address of a card. This returns the "old style" address 213 * and should no longer be used. 214 */ 215static inline unsigned int __deprecated 216ecard_address(struct expansion_card *ec, card_type_t type, card_speed_t speed) 217{ 218 extern unsigned int __ecard_address(struct expansion_card *, 219 card_type_t, card_speed_t); 220 return __ecard_address(ec, type, speed); 221} 222 223/* 224 * Request and release ecard resources 225 */ 226extern int ecard_request_resources(struct expansion_card *ec); 227extern void ecard_release_resources(struct expansion_card *ec); 228 229void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, 230 unsigned long offset, unsigned long maxsize); 231#define ecardm_iounmap(__ec, __addr) devm_iounmap(&(__ec)->dev, __addr) 232 233extern struct bus_type ecard_bus_type; 234 235#define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev) 236 237struct ecard_driver { 238 int (*probe)(struct expansion_card *, const struct ecard_id *id); 239 void (*remove)(struct expansion_card *); 240 void (*shutdown)(struct expansion_card *); 241 const struct ecard_id *id_table; 242 unsigned int id; 243 struct device_driver drv; 244}; 245 246#define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv) 247 248#define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data)) 249#define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev) 250 251int ecard_register_driver(struct ecard_driver *); 252void ecard_remove_driver(struct ecard_driver *); 253 254#endif 255