LXR linux/arch/arm/mach-rpc/ecard.h

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 *  ecard.h
   4 *
   5 *  Copyright 2007 Russell King
   6 */
   7
   8/* Definitions internal to ecard.c - for it's use only!!
   9 *
  10 * External expansion card header as read from the card
  11 */
  12struct ex_ecid {
  13        unsigned char   r_irq:1;
  14        unsigned char   r_zero:1;
  15        unsigned char   r_fiq:1;
  16        unsigned char   r_id:4;
  17        unsigned char   r_a:1;
  18
  19        unsigned char   r_cd:1;
  20        unsigned char   r_is:1;
  21        unsigned char   r_w:2;
  22        unsigned char   r_r1:4;
  23
  24        unsigned char   r_r2:8;
  25
  26        unsigned char   r_prod[2];
  27
  28        unsigned char   r_manu[2];
  29
  30        unsigned char   r_country;
  31
  32        unsigned char   r_fiqmask;
  33        unsigned char   r_fiqoff[3];
  34
  35        unsigned char   r_irqmask;
  36        unsigned char   r_irqoff[3];
  37};
  38
  39/*
  40 * Chunk directory entry as read from the card
  41 */
  42struct ex_chunk_dir {
  43        unsigned char r_id;
  44        unsigned char r_len[3];
  45        unsigned long r_start;
  46        union {
  47                char string[256];
  48                char data[1];
  49        } d;
  50#define c_id(x)         ((x)->r_id)
  51#define c_len(x)        ((x)->r_len[0]|((x)->r_len[1]<<8)|((x)->r_len[2]<<16))
  52#define c_start(x)      ((x)->r_start)
  53};
  54
  55typedef enum ecard_type {               /* Cards address space          */
  56        ECARD_IOC,
  57        ECARD_MEMC,
  58        ECARD_EASI
  59} card_type_t;
  60
  61typedef enum {                          /* Speed for ECARD_IOC space    */
  62        ECARD_SLOW       = 0,
  63        ECARD_MEDIUM     = 1,
  64        ECARD_FAST       = 2,
  65        ECARD_SYNC       = 3
  66} card_speed_t;
  67