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/*

 * linux/include/asm-arm/ecard.h

 *

 * definitions for expansion cards

 *

 * 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_1              0x00a0

#define PROD_CUMANA_SCSI_2              0x003a

#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_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

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 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 card_type_t       type;           /* Type of card                 */

        CONST struct in_ecid    cid;            /* Card Identification          */

        /* Private internal data */

        const char              *card_desc;     /* description of card          */

        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