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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* ecard.h
*
* Copyright 2007 Russell King
*/
/* 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_fiqmask;
unsigned char r_fiqoff[3];
unsigned char r_irqmask;
unsigned char r_irqoff[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)
};
typedef enum ecard_type { /* 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;
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