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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 | */ |
15 | struct 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 | */ |
45 | struct 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 | |
58 | typedef enum ecard_type { /* Cards address space */ |
59 | ECARD_IOC, |
60 | ECARD_MEMC, |
61 | ECARD_EASI |
62 | } card_type_t; |
63 | |
64 | typedef 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 |
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