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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-arm/] [ecard.h] - Rev 1765
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/* * linux/include/asm-arm/ecard.h * * definitions for expansion cards * * This is a new system as from Linux 1.2.3 * * Changelog: * 11-12-1996 RMK Further minor improvements * 12-09-1997 RMK Added interrupt enable/disable for card level * * Reference: Acorns Risc OS 3 Programmers Reference Manuals. */ #ifndef __ASM_ECARD_H #define __ASM_ECARD_H /* * Currently understood cards (but not necessarily * supported): * Manufacturer Product ID */ #define MANU_ACORN 0x0000 #define PROD_ACORN_SCSI 0x0002 #define PROD_ACORN_ETHER1 0x0003 #define PROD_ACORN_MFM 0x000b #define MANU_ANT2 0x0011 #define PROD_ANT_ETHER3 0x00a4 #define MANU_ATOMWIDE 0x0017 #define PROD_ATOMWIDE_3PSERIAL 0x0090 #define MANU_IRLAM_INSTRUMENTS 0x001f #define MANU_IRLAM_INSTRUMENTS_ETHERN 0x5678 #define MANU_OAK 0x0021 #define PROD_OAK_SCSI 0x0058 #define MANU_MORLEY 0x002b #define PROD_MORLEY_SCSI_UNCACHED 0x0067 #define MANU_CUMANA 0x003a #define PROD_CUMANA_SCSI_2 0x003a #define PROD_CUMANA_SCSI_1 0x00a0 #define MANU_ICS 0x003c #define PROD_ICS_IDE 0x00ae #define MANU_ICS2 0x003d #define PROD_ICS2_IDE 0x00ae #define MANU_SERPORT 0x003f #define PROD_SERPORT_DSPORT 0x00b9 #define MANU_ARXE 0x0041 #define PROD_ARXE_SCSI 0x00be #define MANU_I3 0x0046 #define PROD_I3_ETHERLAN500 0x00d4 #define PROD_I3_ETHERLAN600 0x00ec #define PROD_I3_ETHERLAN600A 0x011e #define MANU_ANT 0x0053 #define PROD_ANT_ETHERM 0x00d8 #define PROD_ANT_ETHERB 0x00e4 #define MANU_ALSYSTEMS 0x005b #define PROD_ALSYS_SCSIATAPI 0x0107 #define MANU_MCS 0x0063 #define PROD_MCS_CONNECT32 0x0125 #define MANU_EESOX 0x0064 #define PROD_EESOX_SCSI2 0x008c #define MANU_YELLOWSTONE 0x0096 #define PROD_YELLOWSTONE_RAPIDE32 0x0120 #ifdef ECARD_C #define CONST #else #define CONST const #endif #define MAX_ECARDS 9 typedef enum { /* Cards address space */ ECARD_IOC, ECARD_MEMC, ECARD_EASI } card_type_t; typedef enum { /* Speed for ECARD_IOC space */ ECARD_SLOW = 0, ECARD_MEDIUM = 1, ECARD_FAST = 2, ECARD_SYNC = 3 } card_speed_t; typedef struct ecard_id { /* Card ID structure */ unsigned short manufacturer; unsigned short product; void *data; } card_ids; struct in_ecid { /* Packed card ID information */ unsigned short product; /* Product code */ unsigned short manufacturer; /* Manufacturer code */ unsigned char id:4; /* Simple ID */ unsigned char cd:1; /* Chunk dir present */ unsigned char is:1; /* Interrupt status pointers */ unsigned char w:2; /* Width */ unsigned char country; /* Country */ unsigned char irqmask; /* IRQ mask */ unsigned char fiqmask; /* FIQ mask */ unsigned long irqoff; /* IRQ offset */ unsigned long fiqoff; /* FIQ offset */ }; typedef struct expansion_card ecard_t; typedef unsigned long *loader_t; typedef struct { /* Card handler routines */ void (*irqenable)(ecard_t *ec, int irqnr); void (*irqdisable)(ecard_t *ec, int irqnr); int (*irqpending)(ecard_t *ec); void (*fiqenable)(ecard_t *ec, int fiqnr); void (*fiqdisable)(ecard_t *ec, int fiqnr); int (*fiqpending)(ecard_t *ec); } expansioncard_ops_t; #define ECARD_NUM_RESOURCES (6) #define ECARD_RES_IOCSLOW (0) #define ECARD_RES_IOCMEDIUM (1) #define ECARD_RES_IOCFAST (2) #define ECARD_RES_IOCSYNC (3) #define ECARD_RES_MEMC (4) #define ECARD_RES_EASI (5) #define ecard_resource_start(ec,nr) ((ec)->resource[nr].start) #define ecard_resource_end(ec,nr) ((ec)->resource[nr].end) #define ecard_resource_len(ec,nr) ((ec)->resource[nr].end - \ (ec)->resource[nr].start + 1) struct ecard_driver; /* * This contains all the info needed on an expansion card */ struct expansion_card { struct expansion_card *next; void *driver_data; struct ecard_driver *driver; struct resource resource[ECARD_NUM_RESOURCES]; char name[30]; /* Public data */ volatile unsigned char *irqaddr; /* address of IRQ register */ volatile unsigned char *fiqaddr; /* address of FIQ register */ unsigned char irqmask; /* IRQ mask */ unsigned char fiqmask; /* FIQ mask */ unsigned char claimed; /* Card claimed? */ void *irq_data; /* Data for use for IRQ by card */ void *fiq_data; /* Data for use for FIQ by card */ const expansioncard_ops_t *ops; /* Enable/Disable Ops for card */ CONST unsigned int slot_no; /* Slot number */ CONST unsigned int dma; /* DMA number (for request_dma) */ CONST unsigned int irq; /* IRQ number (for request_irq) */ CONST unsigned int fiq; /* FIQ number (for request_irq) */ CONST card_type_t type; /* Type of card */ CONST struct in_ecid cid; /* Card Identification */ /* Private internal data */ const char *card_desc; /* Card description */ CONST unsigned int podaddr; /* Base Linux address for card */ CONST loader_t loader; /* loader program */ }; struct in_chunk_dir { unsigned int start_offset; union { unsigned char string[256]; unsigned char data[1]; } d; }; /* * ecard_claim: claim an expansion card entry */ #define ecard_claim(ec) ((ec)->claimed = 1) /* * ecard_release: release an expansion card entry */ #define ecard_release(ec) ((ec)->claimed = 0) /* * Start finding cards from the top of the list */ extern void ecard_startfind (void); /* * Find an expansion card with the correct cid, product and manufacturer code */ extern struct expansion_card *ecard_find (int cid, const card_ids *ids); /* * Read a chunk from an expansion card * cd : where to put read data * ec : expansion card info struct * id : id number to find * num: (n+1)'th id to find. */ extern int ecard_readchunk (struct in_chunk_dir *cd, struct expansion_card *ec, int id, int num); /* * Obtain the address of a card */ extern unsigned int ecard_address (struct expansion_card *ec, card_type_t card_type, card_speed_t speed); #ifdef ECARD_C /* Definitions internal to ecard.c - for it's use only!! * * External expansion card header as read from the card */ struct ex_ecid { unsigned char r_irq:1; unsigned char r_zero:1; unsigned char r_fiq:1; unsigned char r_id:4; unsigned char r_a:1; unsigned char r_cd:1; unsigned char r_is:1; unsigned char r_w:2; unsigned char r_r1:4; unsigned char r_r2:8; unsigned char r_prod[2]; unsigned char r_manu[2]; unsigned char r_country; unsigned char r_irqmask; unsigned char r_irqoff[3]; unsigned char r_fiqmask; unsigned char r_fiqoff[3]; }; /* * Chunk directory entry as read from the card */ struct ex_chunk_dir { unsigned char r_id; unsigned char r_len[3]; unsigned long r_start; union { char string[256]; char data[1]; } d; #define c_id(x) ((x)->r_id) #define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16)) #define c_start(x) ((x)->r_start) }; #endif struct ecard_driver { int (*probe)(struct expansion_card *, const struct ecard_id *); void (*remove)(struct expansion_card *); void (*shutdown)(struct expansion_card *); const struct ecard_id *id_table; unsigned int id; }; #define ecard_set_drvdata(ec,data) ((ec)->driver_data = (data)) #define ecard_get_drvdata(ec) ((ec)->driver_data) int ecard_register_driver(struct ecard_driver *); void ecard_remove_driver(struct ecard_driver *); #endif