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66 lines
1.2 KiB
66 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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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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/* 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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