OpenCloudOS-Kernel/arch/arm/kernel/ecard.h

57 lines
1.1 KiB
C

/*
* ecard.h
*
* Copyright 2007 Russell King
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/* 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)
};