70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
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/*
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* ecard.h
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*
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* Copyright 2007 Russell King
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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/* Definitions internal to ecard.c - for it's use only!!
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*
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* External expansion card header as read from the card
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*/
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struct ex_ecid {
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unsigned char r_irq:1;
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unsigned char r_zero:1;
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unsigned char r_fiq:1;
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unsigned char r_id:4;
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unsigned char r_a:1;
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unsigned char r_cd:1;
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unsigned char r_is:1;
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unsigned char r_w:2;
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unsigned char r_r1:4;
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unsigned char r_r2:8;
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unsigned char r_prod[2];
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unsigned char r_manu[2];
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unsigned char r_country;
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unsigned char r_fiqmask;
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unsigned char r_fiqoff[3];
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unsigned char r_irqmask;
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unsigned char r_irqoff[3];
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};
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/*
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* Chunk directory entry as read from the card
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*/
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struct ex_chunk_dir {
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unsigned char r_id;
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unsigned char r_len[3];
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unsigned long r_start;
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union {
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char string[256];
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char data[1];
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} d;
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#define c_id(x) ((x)->r_id)
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#define c_len(x) ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
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#define c_start(x) ((x)->r_start)
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};
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typedef enum ecard_type { /* Cards address space */
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ECARD_IOC,
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ECARD_MEMC,
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ECARD_EASI
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} card_type_t;
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typedef enum { /* Speed for ECARD_IOC space */
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ECARD_SLOW = 0,
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ECARD_MEDIUM = 1,
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ECARD_FAST = 2,
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ECARD_SYNC = 3
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} card_speed_t;
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