firmware/export/hotswap.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2004 by Jens Arnold
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #ifndef __HOTSWAP_H__
  22 #define __HOTSWAP_H__
  23
  24 #include <stdbool.h>
  25
  26 typedef struct
  27 {
  28     bool initialized;
  29     unsigned char bitrate_register;
  30     unsigned long read_timeout;   /* n * 8 clock cycles */
  31     unsigned long write_timeout;  /* n * 8 clock cycles */
  32
  33     unsigned long ocr;            /* OCR register */
  34     unsigned long csd[4];         /* CSD register, 16 bytes */
  35     unsigned long cid[4];         /* CID register, 16 bytes */
  36     unsigned long speed;          /* bit/s */
  37     unsigned int nsac;            /* clock cycles */
  38     unsigned long tsac;           /* n * 0.1 ns */
  39     unsigned int r2w_factor;
  40     unsigned long numblocks;      /* size in flash blocks */
  41     unsigned int blocksize;       /* block size in bytes */
  42 } tCardInfo;
  43
  44 #if (CONFIG_STORAGE & STORAGE_SD)
  45 #include "ata-sd-target.h"
  46 #define card_detect            card_detect_target
  47 #define card_get_info          card_get_info_target
  48 #ifdef HAVE_HOTSWAP
  49 #define card_enable_monitoring card_enable_monitoring_target
  50 #endif
  51 #else /* STORAGE_MMC */
  52 #include "ata_mmc.h"
  53 #define card_detect            mmc_detect
  54 #define card_get_info          mmc_card_info
  55 #define card_touched           mmc_touched
  56 #define card_enable_monitoring mmc_enable_monitoring
  57 #endif
  58
  59 /* helper function to extract n (<=32) bits from an arbitrary position.
  60    counting from MSB to LSB */
  61 unsigned long card_extract_bits(
  62         const unsigned long *p, /* the start of the bitfield array */
  63         unsigned int start,     /* bit no. to start reading  */
  64         unsigned int size);     /* how many bits to read */
  65 #endif