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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_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_1 0x00a0
#define PROD_CUMANA_SCSI_2 0x003a
#define MANU_ICS 0x003c
#define PROD_ICS_IDE 0x00ae
#define MANU_SERPORT 0x003f
#define PROD_SERPORT_DSPORT 0x00b9
#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_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 8
/* Type of card's address space */
typedef enum {
ECARD_IOC,
ECARD_MEMC,
ECARD_DEBI
} card_type_t;
/* Speed of card for ECARD_IOC address space */
typedef enum {
ECARD_SLOW = 0,
ECARD_MEDIUM = 1,
ECARD_FAST = 2,
ECARD_SYNC = 3
} card_speed_t;
/* Card ID structure */
typedef struct {
unsigned short manufacturer;
unsigned short product;
} card_ids;
/* External view of card ID information */
struct in_ecld {
unsigned short product;
unsigned short manufacturer;
unsigned char ecld;
unsigned char country;
unsigned char fiqmask;
unsigned char irqmask;
unsigned long fiqaddr;
unsigned long irqaddr;
};
typedef struct expansion_card ecard_t;
/* Card handler routines */
typedef struct {
void (*irqenable)(ecard_t *ec, int irqnr);
void (*irqdisable)(ecard_t *ec, int irqnr);
void (*fiqenable)(ecard_t *ec, int fiqnr);
void (*fiqdisable)(ecard_t *ec, int fiqnr);
} expansioncard_ops_t;
typedef unsigned long *loader_t;
/*
* This contains all the info needed on an expansion card
*/
struct expansion_card {
/* 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? */
CONST unsigned char slot_no; /* Slot number */
CONST unsigned char dma; /* DMA number (for request_dma) */
CONST unsigned char irq; /* IRQ number (for request_irq) */
CONST unsigned char fiq; /* FIQ number (for request_irq) */
CONST struct in_ecld cld; /* Card Identification */
void *irq_data; /* Data for use for IRQ by card */
void *fiq_data; /* Data for use for FIQ by card */
expansioncard_ops_t *ops; /* Enable/Disable Ops for card */
/* Private internal data */
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 cld, product and manufacturer code
*/
extern struct expansion_card *ecard_find (int cld, 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_ecld {
unsigned char r_ecld;
unsigned char r_reserved[2];
unsigned char r_product[2];
unsigned char r_manufacturer[2];
unsigned char r_country;
long r_fiqs;
long r_irqs;
#define e_ecld(x) ((x)->r_ecld)
#define e_cd(x) ((x)->r_reserved[0] & 1)
#define e_is(x) ((x)->r_reserved[0] & 2)
#define e_w(x) (((x)->r_reserved[0] & 12)>>2)
#define e_prod(x) ((x)->r_product[0]|((x)->r_product[1]<<8))
#define e_manu(x) ((x)->r_manufacturer[0]|((x)->r_manufacturer[1]<<8))
#define e_country(x) ((x)->r_country)
#define e_fiqmask(x) ((x)->r_fiqs & 0xff)
#define e_fiqaddr(x) ((x)->r_fiqs >> 8)
#define e_irqmask(x) ((x)->r_irqs & 0xff)
#define e_irqaddr(x) ((x)->r_irqs >> 8)
};
/*
* 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
#endif
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