rom/devs/ata/include/hardware/ata.h

   1 #ifndef _HARDWARE_ATA_H
   2 #define _HARDWARE_ATA_H
   3
   4 /*
   5     Copyright © 2004-2013, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: ATA hardware register definitions
   9     Lang: English
  10 */
  11
  12 /* Registers */
  13 #define ata_Error           1
  14 #define ata_Feature         1
  15 #define ata_Count           2
  16 #define ata_LBALow          3
  17 #define ata_Sector          3
  18 #define ata_LBAMid          4
  19 #define ata_CylinderLow     4
  20 #define ata_LBAHigh         5
  21 #define ata_CylinderHigh    5
  22 #define ata_DevHead         6
  23 #define ata_Status          7
  24 #define ata_Command         7
  25 #define ata_AltStatus       0x2
  26 #define ata_AltControl      0x2
  27
  28 #define atapi_Error         1
  29 #define atapi_Features      1
  30 #define atapi_Reason        2
  31 #define atapi_ByteCntL      4
  32 #define atapi_ByteCntH      5
  33 #define atapi_DevSel        6
  34 #define atapi_Status        7
  35 #define atapi_Command       7
  36
  37 /* Status bits */
  38 #define ATAB_SLAVE          4
  39 #define ATAB_LBA            6
  40 #define ATAB_ATAPI          7
  41 #define ATAB_DATAREQ        3
  42 #define ATAB_ERROR          0
  43 #define ATAB_BUSY           7
  44
  45 #define ATAF_SLAVE          0x10
  46 #define ATAF_LBA            0x40
  47 #define ATAF_ATAPI          0x80
  48 #define ATAF_DATAREQ        0x08
  49 #define ATAF_ERROR          0x01
  50 #define ATAF_BUSY           0x80
  51 #define ATAF_DRDY           0x40
  52
  53 #define ATAPIF_CHECK        0x01
  54
  55 /* Commands */
  56 #define ATA_SET_FEATURES    0xef
  57 #define ATA_SET_MULTIPLE    0xc6
  58 #define ATA_DEVICE_RESET    0x08
  59 #define ATA_IDENTIFY_DEVICE 0xec
  60 #define ATA_IDENTIFY_ATAPI  0xa1
  61 #define ATA_NOP             0x00
  62 #define ATA_EXECUTE_DIAG    0x90
  63 #define ATA_PACKET          0xa0
  64 #define ATA_READ_DMA        0xc8
  65 #define ATA_READ_DMA64      0x25
  66 #define ATA_READ            0x20
  67 #define ATA_READ64          0x24
  68 #define ATA_READ_MULTIPLE   0xc4
  69 #define ATA_READ_MULTIPLE64 0x29
  70 #define ATA_WRITE_DMA       0xca
  71 #define ATA_WRITE_DMA64     0x35
  72 #define ATA_WRITE           0x30
  73 #define ATA_WRITE64         0x34
  74 #define ATA_WRITE_MULTIPLE  0xc5
  75 #define ATA_WRITE_MULTIPLE64 0x39
  76 #define ATA_MEDIA_EJECT     0xed
  77
  78 /* ATAPI reason flags */
  79 #define ATAPIF_MASK         0x03
  80 #define ATAPIF_COMMAND      0x01
  81 #define ATAPIF_READ         0x02
  82 #define ATAPIF_WRITE        0x00
  83
  84 /* AltControl bits */
  85 #define ATACTLF_INT_DISABLE 0x02
  86 #define ATACTLF_RESET       0x04
  87
  88 #endif