1/*
2 *  ecard.h
3 *
4 *  Copyright 2007 Russell King
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 */
10
11/* Definitions internal to ecard.c - for it's use only!!
12 *
13 * External expansion card header as read from the card
14 */
15struct ex_ecid {
16	unsigned char	r_irq:1;
17	unsigned char	r_zero:1;
18	unsigned char	r_fiq:1;
19	unsigned char	r_id:4;
20	unsigned char	r_a:1;
21
22	unsigned char	r_cd:1;
23	unsigned char	r_is:1;
24	unsigned char	r_w:2;
25	unsigned char	r_r1:4;
26
27	unsigned char	r_r2:8;
28
29	unsigned char	r_prod[2];
30
31	unsigned char	r_manu[2];
32
33	unsigned char	r_country;
34
35	unsigned char	r_fiqmask;
36	unsigned char	r_fiqoff[3];
37
38	unsigned char	r_irqmask;
39	unsigned char	r_irqoff[3];
40};
41
42/*
43 * Chunk directory entry as read from the card
44 */
45struct ex_chunk_dir {
46	unsigned char r_id;
47	unsigned char r_len[3];
48	unsigned long r_start;
49	union {
50		char string[256];
51		char data[1];
52	} d;
53#define c_id(x)		((x)->r_id)
54#define c_len(x)	((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
55#define c_start(x)	((x)->r_start)
56};
57
58typedef enum ecard_type {		/* Cards address space		*/
59	ECARD_IOC,
60	ECARD_MEMC,
61	ECARD_EASI
62} card_type_t;
63
64typedef enum {				/* Speed for ECARD_IOC space	*/
65	ECARD_SLOW	 = 0,
66	ECARD_MEDIUM	 = 1,
67	ECARD_FAST	 = 2,
68	ECARD_SYNC	 = 3
69} card_speed_t;
70