1/* 2 * arch/arm/include/asm/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 88struct ecard_id { /* Card ID structure */ 89 unsigned short manufacturer; 90 unsigned short product; 91 void *data; 92}; 93 94struct in_ecid { /* Packed card ID information */ 95 unsigned short product; /* Product code */ 96 unsigned short manufacturer; /* Manufacturer code */ 97 unsigned char id:4; /* Simple ID */ 98 unsigned char cd:1; /* Chunk dir present */ 99 unsigned char is:1; /* Interrupt status pointers */ 100 unsigned char w:2; /* Width */ 101 unsigned char country; /* Country */ 102 unsigned char irqmask; /* IRQ mask */ 103 unsigned char fiqmask; /* FIQ mask */ 104 unsigned long irqoff; /* IRQ offset */ 105 unsigned long fiqoff; /* FIQ offset */ 106}; 107 108typedef struct expansion_card ecard_t; 109typedef unsigned long *loader_t; 110 111typedef struct expansion_card_ops { /* Card handler routines */ 112 void (*irqenable)(ecard_t *ec, int irqnr); 113 void (*irqdisable)(ecard_t *ec, int irqnr); 114 int (*irqpending)(ecard_t *ec); 115 void (*fiqenable)(ecard_t *ec, int fiqnr); 116 void (*fiqdisable)(ecard_t *ec, int fiqnr); 117 int (*fiqpending)(ecard_t *ec); 118} expansioncard_ops_t; 119 120#define ECARD_NUM_RESOURCES (6) 121 122#define ECARD_RES_IOCSLOW (0) 123#define ECARD_RES_IOCMEDIUM (1) 124#define ECARD_RES_IOCFAST (2) 125#define ECARD_RES_IOCSYNC (3) 126#define ECARD_RES_MEMC (4) 127#define ECARD_RES_EASI (5) 128 129#define ecard_resource_start(ec,nr) ((ec)->resource[nr].start) 130#define ecard_resource_end(ec,nr) ((ec)->resource[nr].end) 131#define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \ 132 (ec)->resource[nr].start + 1) 133#define ecard_resource_flags(ec,nr) ((ec)->resource[nr].flags) 134 135/* 136 * This contains all the info needed on an expansion card 137 */ 138struct expansion_card { 139 struct expansion_card *next; 140 141 struct device dev; 142 struct resource resource[ECARD_NUM_RESOURCES]; 143 144 /* Public data */ 145 void __iomem *irqaddr; /* address of IRQ register */ 146 void __iomem *fiqaddr; /* address of FIQ register */ 147 unsigned char irqmask; /* IRQ mask */ 148 unsigned char fiqmask; /* FIQ mask */ 149 unsigned char claimed; /* Card claimed? */ 150 unsigned char easi; /* EASI card */ 151 152 void *irq_data; /* Data for use for IRQ by card */ 153 void *fiq_data; /* Data for use for FIQ by card */ 154 const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ 155 156 CONST unsigned int slot_no; /* Slot number */ 157 CONST unsigned int dma; /* DMA number (for request_dma) */ 158 CONST unsigned int irq; /* IRQ number (for request_irq) */ 159 CONST unsigned int fiq; /* FIQ number (for request_irq) */ 160 CONST struct in_ecid cid; /* Card Identification */ 161 162 /* Private internal data */ 163 const char *card_desc; /* Card description */ 164 CONST loader_t loader; /* loader program */ 165 u64 dma_mask; 166}; 167 168void ecard_setirq(struct expansion_card *ec, const struct expansion_card_ops *ops, void *irq_data); 169 170struct in_chunk_dir { 171 unsigned int start_offset; 172 union { 173 unsigned char string[256]; 174 unsigned char data[1]; 175 } d; 176}; 177 178/* 179 * Read a chunk from an expansion card 180 * cd : where to put read data 181 * ec : expansion card info struct 182 * id : id number to find 183 * num: (n+1)'th id to find. 184 */ 185extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num); 186 187/* 188 * Request and release ecard resources 189 */ 190extern int ecard_request_resources(struct expansion_card *ec); 191extern void ecard_release_resources(struct expansion_card *ec); 192 193void __iomem *ecardm_iomap(struct expansion_card *ec, unsigned int res, 194 unsigned long offset, unsigned long maxsize); 195#define ecardm_iounmap(__ec, __addr) devm_iounmap(&(__ec)->dev, __addr) 196 197extern struct bus_type ecard_bus_type; 198 199#define ECARD_DEV(_d) container_of((_d), struct expansion_card, dev) 200 201struct ecard_driver { 202 int (*probe)(struct expansion_card *, const struct ecard_id *id); 203 void (*remove)(struct expansion_card *); 204 void (*shutdown)(struct expansion_card *); 205 const struct ecard_id *id_table; 206 unsigned int id; 207 struct device_driver drv; 208}; 209 210#define ECARD_DRV(_d) container_of((_d), struct ecard_driver, drv) 211 212#define ecard_set_drvdata(ec,data) dev_set_drvdata(&(ec)->dev, (data)) 213#define ecard_get_drvdata(ec) dev_get_drvdata(&(ec)->dev) 214 215int ecard_register_driver(struct ecard_driver *); 216void ecard_remove_driver(struct ecard_driver *); 217 218#endif 219