ecard.h
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上传日期:2013-02-24
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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_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 { /* Card ID structure */
- unsigned short manufacturer;
- unsigned short product;
- } 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;
- /*
- * This contains all the info needed on an expansion card
- */
- struct expansion_card {
- struct expansion_card *next;
- /* 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 */
- 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
- #endif