clean up Atapi.h to follow ATA-ATAPI spec.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6358 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 173 insertions, 223 deletions

diff --git a/MdePkg/Include/IndustryStandard/Atapi.h b/MdePkg/Include/IndustryStandard/Atapi.h
index f14d8f25c4..e2c3bd4598 100644
--- a/MdePkg/Include/IndustryStandard/Atapi.h
+++ b/MdePkg/Include/IndustryStandard/Atapi.h
@@ -1,10 +1,8 @@
 /** @file

+  This file contains just some basic definitions that are needed by drivers

+  that dealing with ATA/ATAPI interface.

 

-This file contains just some basic definitions that are needed by drivers

-that dealing with ATA/ATAPI interface.

-

-

-Copyright (c) 2007, Intel Corporation

+Copyright (c) 2007 - 2008, Intel Corporation

 All rights reserved. This program and the accompanying materials

 are licensed and made available under the terms and conditions of the BSD License

 which accompanies this distribution.  The full text of the license may be found at

@@ -20,66 +18,12 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 

 #pragma pack(1)

 

-///

-/// ATA_IDENTIFY_DATA is defined in ATA-5

-///

-typedef struct {

-  UINT16  config;                     /* General Configuration */

-  UINT16  cylinders;                  /* Number of Cylinders */

-  UINT16  reserved_2;

-  UINT16  heads;                      /* Number of logical heads */

-  UINT16  vendor_data1;

-  UINT16  vendoe_data2;

-  UINT16  sectors_per_track;

-  UINT16  vendor_specific_7_9[3];

-  CHAR8   SerialNo[20];               /* ASCII */

-  UINT16  vendor_specific_20_21[2];

-  UINT16  ecc_bytes_available;

-  CHAR8   FirmwareVer[8];             /* ASCII */

-  CHAR8   ModelName[40];              /* ASCII */

-  UINT16  multi_sector_cmd_max_sct_cnt;

-  UINT16  reserved_48;

-  UINT16  capabilities;

-  UINT16  reserved_50;

-  UINT16  pio_cycle_timing;

-  UINT16  reserved_52;

-  UINT16  field_validity;

-  UINT16  current_cylinders;

-  UINT16  current_heads;

-  UINT16  current_sectors;

-  UINT16  CurrentCapacityLsb;

-  UINT16  CurrentCapacityMsb;

-  UINT16  reserved_59;

-  UINT16  user_addressable_sectors_lo;

-  UINT16  user_addressable_sectors_hi;

-  UINT16  reserved_62;

-  UINT16  multi_word_dma_mode;

-  UINT16  advanced_pio_modes;

-  UINT16  min_multi_word_dma_cycle_time;

-  UINT16  rec_multi_word_dma_cycle_time;

-  UINT16  min_pio_cycle_time_without_flow_control;

-  UINT16  min_pio_cycle_time_with_flow_control;

-  UINT16  reserved_69_79[11];

-  UINT16  major_version_no;

-  UINT16  minor_version_no;

-  UINT16  command_set_supported_82; // word 82

-  UINT16  command_set_supported_83; // word 83

-  UINT16  command_set_feature_extn; // word 84

-  UINT16  command_set_feature_enb_85; // word 85

-  UINT16  command_set_feature_enb_86; // word 86

-  UINT16  command_set_feature_default; // word 87

-  UINT16  ultra_dma_mode; // word 88

-  UINT16  reserved_89_127[39];

-  UINT16  security_status;

-  UINT16  vendor_data_129_159[31];

-  UINT16  reserved_160_255[96];

-} ATA_IDENTIFY_DATA;

 

 ///

 /// ATAPI_IDENTIFY_DATA is defined in ATA-6

 ///

 typedef struct {

-    UINT16  config;             // General Configuration

+    UINT16  config;             ///< General Configuration

     UINT16  obsolete_1;

     UINT16  specific_config;

     UINT16  obsolete_3;

@@ -87,11 +31,11 @@ typedef struct {
     UINT16  obsolete_6;

     UINT16  cfa_reserved_7_8[2];

     UINT16  retired_9;

-    CHAR8   SerialNo[20];       // ASCII

+    CHAR8   SerialNo[20];       ///< ASCII

     UINT16  retired_20_21[2];

     UINT16  obsolete_22;

-    CHAR8   FirmwareVer[8];     // ASCII

-    CHAR8   ModelName[40];      // ASCII

+    CHAR8   FirmwareVer[8];     ///< ASCII

+    CHAR8   ModelName[40];      ///< ASCII

     UINT16  multi_sector_cmd_max_sct_cnt;

     UINT16  reserved_48;

     UINT16  capabilities_49;

@@ -140,35 +84,9 @@ typedef struct {
     UINT16  integrity_word;

 } ATAPI_IDENTIFY_DATA;

 

-

-typedef struct {

-  UINT8 peripheral_type;

-  UINT8 RMB;

-  UINT8 version;

-  UINT8 response_data_format;

-  UINT8 addnl_length;

-  UINT8 reserved_5;

-  UINT8 reserved_6;

-  UINT8 reserved_7;

-  UINT8 vendor_info[8];

-  UINT8 product_id[12];

-  UINT8 eeprom_product_code[4];

-  UINT8 firmware_rev_level[4];

-  UINT8 firmware_sub_rev_level[1];

-  UINT8 reserved_37;

-  UINT8 reserved_38;

-  UINT8 reserved_39;

-  UINT8 max_capacity_hi;

-  UINT8 max_capacity_mid;

-  UINT8 max_capacity_lo;

-  UINT8 reserved_43_95[95 - 43 + 1];

-  //

-  // Some more fields

-  //

-  UINT8 vendor_id[20];

-  UINT8 eeprom_drive_sno[12];

-} ATAPI_INQUIRY_DATA;

-

+///

+/// the front of part is defined in ATAPI Removable Rewritable Specification

+///

 typedef struct {

   UINT8 peripheral_type;

   UINT8 RMB;

@@ -181,9 +99,15 @@ typedef struct {
   UINT8 vendor_info[8];

   UINT8 product_id[16];

   UINT8 product_revision_level[4];

-  UINT8 vendor_specific[20];

-  UINT8 reserved_56_95[40];

-} ATAPI_CDROM_INQUIRY_DATA;

+  UINT8 vendor_specific_36_55[55 - 36 + 1];

+  UINT8 reserved_56_95[95 - 56 + 1];

+  ///

+  /// Some more fields, the sizeof (ATAPI_INQUIRY_DATA) is 255

+  /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.

+  ///

+  UINT8 vendor_specific_96_255[254 - 96 + 1];

+} ATAPI_INQUIRY_DATA;

+

 

 

 typedef struct {

@@ -191,29 +115,35 @@ typedef struct {
   UINT8 valid : 1;

   UINT8 reserved_1;

   UINT8 sense_key : 4;

-  UINT8 reserved_21 : 1;

-  UINT8 ILI : 1;

-  UINT8 reserved_22 : 2;

+  UINT8 reserved_2 : 1;

+  UINT8 Vendor_specifc_1 : 3;

   UINT8 vendor_specific_3;

   UINT8 vendor_specific_4;

   UINT8 vendor_specific_5;

   UINT8 vendor_specific_6;

-  UINT8 addnl_sense_length;           // n - 7

+  UINT8 addnl_sense_length;           ///< n - 7

   UINT8 vendor_specific_8;

   UINT8 vendor_specific_9;

   UINT8 vendor_specific_10;

   UINT8 vendor_specific_11;

-  UINT8 addnl_sense_code;             // mandatory

-  UINT8 addnl_sense_code_qualifier;   // mandatory

-  UINT8 field_replaceable_unit_code;  // optional

-  UINT8 reserved_15;

-  UINT8 reserved_16;

-  UINT8 reserved_17;

-  //

-  // Followed by additional sense bytes.

-  //

+  UINT8 addnl_sense_code;             ///< mandatory

+  UINT8 addnl_sense_code_qualifier;   ///< mandatory

+  UINT8 field_replaceable_unit_code;  ///< optional

+  UINT8 sense_key_specific_15 : 7;

+  UINT8 SKSV : 1;

+  UINT8 sense_key_specific_16;

+  UINT8 sense_key_specific_17;

+  ///

+  /// Followed by additional sense bytes.

+  /// the sizeof (ATAPI_REQUEST_SENSE_DATA) is 255, 

+  /// since allocation_length is one byte in ATAPI_INQUIRY_CMD.

+  ///

+  UINT8 additional_sense_bytes[254 - 18 + 1];

 } ATAPI_REQUEST_SENSE_DATA;

 

+///

+/// READ CAPACITY Data

+///

 typedef struct {

   UINT8 LastLba3;

   UINT8 LastLba2;

@@ -225,6 +155,9 @@ typedef struct {
   UINT8 BlockSize0;

 } ATAPI_READ_CAPACITY_DATA;

 

+///

+/// Capacity List Header + Current/Maximum Capacity Descriptor

+///

 typedef struct {

   UINT8 reserved_0;

   UINT8 reserved_1;

@@ -241,10 +174,9 @@ typedef struct {
   UINT8 BlockSize0;

 } ATAPI_READ_FORMAT_CAPACITY_DATA;

 

-//

-// ATAPI Packet Command

-//

-

+///

+/// Test Unit Ready Command

+///

 typedef struct {

   UINT8 opcode;

   UINT8 reserved_1;

@@ -260,11 +192,14 @@ typedef struct {
   UINT8 reserved_11;

 } ATAPI_TEST_UNIT_READY_CMD;

 

+///

+/// INQUIRY Command

+///

 typedef struct {

   UINT8 opcode;

-  UINT8 reserved_1 : 4;

-  UINT8 lun : 4;

-  UINT8 page_code;

+  UINT8 reserved_1 : 5;

+  UINT8 lun : 3;

+  UINT8 page_code;        ///< defined in SFF8090i, V6

   UINT8 reserved_3;

   UINT8 allocation_length;

   UINT8 reserved_5;

@@ -276,10 +211,13 @@ typedef struct {
   UINT8 reserved_11;

 } ATAPI_INQUIRY_CMD;

 

+///

+/// REQUEST SENSE Command

+///

 typedef struct {

   UINT8 opcode;

-  UINT8 reserved_1 : 4;

-  UINT8 lun : 4;

+  UINT8 reserved_1 : 5;

+  UINT8 lun : 3;

   UINT8 reserved_2;

   UINT8 reserved_3;

   UINT8 allocation_length;

@@ -292,6 +230,9 @@ typedef struct {
   UINT8 reserved_11;

 } ATAPI_REQUEST_SENSE_CMD;

 

+///

+/// READ (10) Command

+///

 typedef struct {

   UINT8 opcode;

   UINT8 reserved_1 : 5;

@@ -308,9 +249,13 @@ typedef struct {
   UINT8 reserved_11;

 } ATAPI_READ10_CMD;

 

+///

+/// READ Format Capacity Command

+///

 typedef struct {

   UINT8 opcode;

-  UINT8 reserved_1;

+  UINT8 reserved_1 : 5;

+  UINT8 lun : 3;

   UINT8 reserved_2;

   UINT8 reserved_3;

   UINT8 reserved_4;

@@ -338,12 +283,15 @@ typedef struct {
   UINT8 firmware_rev_level[4];

 } ATAPI_USB_INQUIRY_DATA;

 

+///

+/// MODE SENSE Command

+///

 typedef struct {

   UINT8 opcode;

-  UINT8 reserved_1 : 4;

-  UINT8 lun : 4;

-  UINT8 page_code : 4;

-  UINT8 page_control : 4;

+  UINT8 reserved_1 : 5;

+  UINT8 lun : 3;

+  UINT8 page_code : 6;

+  UINT8 page_control : 2;

   UINT8 reserved_3;

   UINT8 reserved_4;

   UINT8 reserved_5;

@@ -378,17 +326,17 @@ typedef union {
 //

 // ATA Packet Command Code

 //

-#define ATA_CMD_SOFT_RESET                  0x08

-#define ATA_CMD_PACKET                      0xA0

-#define ATA_CMD_IDENTIFY_DEVICE             0xA1

-#define ATA_CMD_SERVICE                     0xA2

-#define ATA_CMD_TEST_UNIT_READY             0x00

-#define ATA_CMD_REQUEST_SENSE               0x03

-#define ATA_CMD_INQUIRY                     0x12

-#define ATA_CMD_READ_FORMAT_CAPACITY        0x23

-#define ATA_CMD_READ_CAPACITY               0x25

-#define ATA_CMD_READ_10                     0x28

-#define ATA_CMD_WRITE_10                    0x2A

+#define ATA_CMD_SOFT_RESET                  0x08   ///< defined in ATA-6

+#define ATA_CMD_PACKET                      0xA0   ///< defined in ATA-6

+#define ATA_CMD_IDENTIFY_DEVICE             0xA1   ///< defined in ATA-6

+#define ATA_CMD_SERVICE                     0xA2   ///< defined in ATA-6

+#define ATA_CMD_TEST_UNIT_READY             0x00   ///< defined in ATA-6

+#define ATA_CMD_REQUEST_SENSE               0x03   ///< defined in ATA-6

+#define ATA_CMD_INQUIRY                     0x12   ///< defined in ATAPI Removable Rewritable Media Devcies

+#define ATA_CMD_READ_FORMAT_CAPACITY        0x23   ///< defined in ATAPI Removable Rewritable Media Devcies

+#define ATA_CMD_READ_CAPACITY               0x25   ///< defined in ATAPI Removable Rewritable Media Devcies

+#define ATA_CMD_READ_10                     0x28   ///< defined in ATAPI Removable Rewritable Media Devcies

+#define ATA_CMD_WRITE_10                    0x2A   ///< defined in ATAPI Removable Rewritable Media Devcies

 

 //

 // ATA Commands Code

@@ -399,61 +347,55 @@ typedef union {
 //

 #define ATA_CMD_IDENTIFY_DRIVE          0xec

 #define ATA_CMD_READ_BUFFER             0xe4

-#define ATA_CMD_READ_SECTORS            0x20

-#define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21

-#define ATA_CMD_READ_LONG               0x22

-#define ATA_CMD_READ_LONG_WITH_RETRY    0x23

-//

-// Atapi6 enhanced commands

-//

-#define ATA_CMD_READ_SECTORS_EXT  0x24

+#define ATA_CMD_READ_SECTORS            0x20   ///< defined in ATA-5     

+#define ATA_CMD_READ_SECTORS_WITH_RETRY 0x21   ///< defined in ATA-5

+#define ATA_CMD_READ_LONG               0x22   ///< defined in ATA-5

+#define ATA_CMD_READ_LONG_WITH_RETRY    0x23   ///< defined in ATA-5

+#define ATA_CMD_READ_SECTORS_EXT        0x24   ///< defined in ATA-6

 

 

 //

 // Class 2: PIO Data-Out Commands

 //

-#define ATA_CMD_FORMAT_TRACK              0x50

-#define ATA_CMD_WRITE_BUFFER              0xe8

-#define ATA_CMD_WRITE_SECTORS             0x30

-#define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31

-#define ATA_CMD_WRITE_LONG                0x32

-#define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33

-#define ATA_CMD_WRITE_VERIFY              0x3c

-//

-// Class 2 - Atapi6 enhanced commands

-//

-#define ATA_CMD_WRITE_SECTORS_EXT 0x34

+#define ATA_CMD_FORMAT_TRACK              0x50  ///< defined in ATA-3

+#define ATA_CMD_WRITE_BUFFER              0xe8  ///< defined in ATA-6  

+#define ATA_CMD_WRITE_SECTORS             0x30  ///< defined in ATA-6

+#define ATA_CMD_WRITE_SECTORS_WITH_RETRY  0x31  ///< defined in ATA-4

+#define ATA_CMD_WRITE_LONG                0x32  ///< defined in ATA-3

+#define ATA_CMD_WRITE_LONG_WITH_RETRY     0x33  ///< defined in ATA-3

+#define ATA_CMD_WRITE_VERIFY              0x3c  ///< defined in ATA-3

+#define ATA_CMD_WRITE_SECTORS_EXT         0x34  ///< defined in ATA-6

 

 //

 // Class 3 No Data Command

 //

-#define ATA_CMD_ACK_MEDIA_CHANGE        0xdb

-#define ATA_CMD_BOOT_POST_BOOT          0xdc

-#define ATA_CMD_BOOT_PRE_BOOT           0xdd

-#define ATA_CMD_CHECK_POWER_MODE        0x98

-#define ATA_CMD_CHECK_POWER_MODE_ALIAS  0xe5

-#define ATA_CMD_DOOR_LOCK               0xde

-#define ATA_CMD_DOOR_UNLOCK             0xdf

-#define ATA_CMD_EXEC_DRIVE_DIAG         0x90

-#define ATA_CMD_IDLE_ALIAS              0x97

-#define ATA_CMD_IDLE                    0xe3

-#define ATA_CMD_IDLE_IMMEDIATE          0x95

-#define ATA_CMD_IDLE_IMMEDIATE_ALIAS    0xe1

-#define ATA_CMD_INIT_DRIVE_PARAM        0x91

-#define ATA_CMD_RECALIBRATE             0x10  /* aliased to 1x */

-#define ATA_CMD_READ_DRIVE_STATE        0xe9

-#define ATA_CMD_SET_MULTIPLE_MODE       0xC6

-#define ATA_CMD_READ_VERIFY             0x40

-#define ATA_CMD_READ_VERIFY_WITH_RETRY  0x41

-#define ATA_CMD_SEEK                    0x70  /* aliased to 7x */

-#define ATA_CMD_SET_FEATURES            0xef

-#define ATA_CMD_STANDBY                 0x96

-#define ATA_CMD_STANDBY_ALIAS           0xe2

-#define ATA_CMD_STANDBY_IMMEDIATE       0x94

-#define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0

-//

-// S.M.A.R.T

-//

+#define ATA_CMD_ACK_MEDIA_CHANGE        0xdb  ///< defined in ATA-2

+#define ATA_CMD_BOOT_POST_BOOT          0xdc  ///< defined in ATA-2

+#define ATA_CMD_BOOT_PRE_BOOT           0xdd  ///< defined in ATA-2

+#define ATA_CMD_CHECK_POWER_MODE        0x98  ///< defined in ATA-3

+#define ATA_CMD_CHECK_POWER_MODE_ALIAS  0xe5  ///< defined in ATA-6

+#define ATA_CMD_DOOR_LOCK               0xde  ///< defined in ATA-6

+#define ATA_CMD_DOOR_UNLOCK             0xdf  ///< defined in ATA-6

+#define ATA_CMD_EXEC_DRIVE_DIAG         0x90  ///< defined in ATA-6

+#define ATA_CMD_IDLE_ALIAS              0x97  ///< defined in ATA-3

+#define ATA_CMD_IDLE                    0xe3  ///< defined in ATA-6

+#define ATA_CMD_IDLE_IMMEDIATE          0x95  ///< defined in ATA-3

+#define ATA_CMD_IDLE_IMMEDIATE_ALIAS    0xe1  ///< defined in ATA-6

+#define ATA_CMD_INIT_DRIVE_PARAM        0x91  ///< defined in ATA-5

+#define ATA_CMD_RECALIBRATE             0x10  ///< defined in ATA-3

+#define ATA_CMD_READ_DRIVE_STATE        0xe9  ///< defined in ATA-2

+#define ATA_CMD_SET_MULTIPLE_MODE       0xC6  ///< defined in ATA-6

+#define ATA_CMD_READ_VERIFY             0x40  ///< defined in ATA-6

+#define ATA_CMD_READ_VERIFY_WITH_RETRY  0x41  ///< defined in ATA-4

+#define ATA_CMD_SEEK                    0x70  ///< defined in ATA-6

+#define ATA_CMD_SET_FEATURES            0xef  ///< defined in ATA-6

+#define ATA_CMD_STANDBY                 0x96  ///< defined in ATA-3

+#define ATA_CMD_STANDBY_ALIAS           0xe2  ///< defined in ATA-6

+#define ATA_CMD_STANDBY_IMMEDIATE       0x94  ///< defined in ATA-3

+#define ATA_CMD_STANDBY_IMMEDIATE_ALIAS 0xe0  ///< defined in ATA-6

+///

+/// S.M.A.R.T

+///

 #define ATA_CMD_SMART               0xb0

 #define ATA_CONSTANT_C2             0xc2

 #define ATA_CONSTANT_4F             0x4f

@@ -461,29 +403,37 @@ typedef union {
 #define ATA_SMART_RETURN_STATUS     0xda

 

 

-//

-// Class 4: DMA Command

-//

-#define ATA_CMD_READ_DMA              0xc8

-#define ATA_CMD_READ_DMA_WITH_RETRY   0xc9

-#define ATA_CMD_READ_DMA_EXT          0x25

-#define ATA_CMD_WRITE_DMA             0xca

-#define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb

-#define ATA_CMD_WRITE_DMA_EXT         0x35

+///

+/// Class 4: DMA Command

+///

+#define ATA_CMD_READ_DMA              0xc8   ///< defined in ATA-6

+#define ATA_CMD_READ_DMA_WITH_RETRY   0xc9   ///< defined in ATA-4

+#define ATA_CMD_READ_DMA_EXT          0x25   ///< defined in ATA-6

+#define ATA_CMD_WRITE_DMA             0xca   ///< defined in ATA-6

+#define ATA_CMD_WRITE_DMA_WITH_RETRY  0xcb   ///< defined in ATA-4

+#define ATA_CMD_WRITE_DMA_EXT         0x35   ///< defined in ATA-6

 

 

 

-//

-// default content of device control register, disable INT

-//

-#define ATA_DEFAULT_CTL           (0x0a)  // default content of device control register, disable INT

+///

+/// default content of device control register, disable INT,

+/// Bit3 is set to 1 according ATA-1

+///

+#define ATA_DEFAULT_CTL           (0x0a)  

+///

+/// default context of Device/Head Register,

+/// Bit7 and Bit5 are set to 1 for back-compatibilities

+///

 #define ATA_DEFAULT_CMD           (0xa0)

 

 #define ATAPI_MAX_BYTE_COUNT  (0xfffe)

 

-//

-// Sense Key

-//

+///

+/// Sense Key, Additional Sense Codes and Additional Sense Code Qualifier

+/// defined in MultiMedia Commands (MMC, MMC-2) 

+///

+/// Sense Key 

+///

 #define ATA_SK_NO_SENSE         (0x0)

 #define ATA_SK_RECOVERY_ERROR   (0x1)

 #define ATA_SK_NOT_READY        (0x2)

@@ -515,7 +465,7 @@ typedef union {
 #define ATA_ASC_INVALID_FIELD               (0x24)

 #define ATA_ASC_WRITE_PROTECTED             (0x27)

 #define ATA_ASC_MEDIA_CHANGE                (0x28)

-#define ATA_ASC_RESET                       (0x29)  /* Power On Reset or Bus Reset occurred */

+#define ATA_ASC_RESET                       (0x29)  ///< Power On Reset or Bus Reset occurred

 #define ATA_ASC_ILLEGAL_FIELD               (0x26)

 #define ATA_ASC_NO_MEDIA                    (0x3A)

 #define ATA_ASC_ILLEGAL_MODE_FOR_THIS_TRACK (0x64)

@@ -525,35 +475,35 @@ typedef union {
 //

 #define ATA_ASCQ_IN_PROGRESS  (0x01)

 

-//

-// Err Reg

-//

-#define ATA_ERRREG_BBK   BIT7  /* Bad block detected */

-#define ATA_ERRREG_UNC   BIT6  /* Uncorrectable Data */

-#define ATA_ERRREG_MC    BIT5  /* Media Change */

-#define ATA_ERRREG_IDNF  BIT4  /* ID Not Found */

-#define ATA_ERRREG_MCR   BIT3  /* Media Change Requested */

-#define ATA_ERRREG_ABRT  BIT2  /* Aborted Command */

-#define ATA_ERRREG_TK0NF BIT1  /* Track 0 Not Found */

-#define ATA_ERRREG_AMNF  BIT0  /* Address Mark Not Found */

+///

+/// Error Register

+///

+#define ATA_ERRREG_BBK   BIT7  ///< Bad block detected      defined in ATA-1

+#define ATA_ERRREG_UNC   BIT6  ///< Uncorrectable Data      defined in ATA-3

+#define ATA_ERRREG_MC    BIT5  ///< Media Change            defined in ATA-3

+#define ATA_ERRREG_IDNF  BIT4  ///< ID Not Found            defined in ATA-3

+#define ATA_ERRREG_MCR   BIT3  ///< Media Change Requested  defined in ATA-3

+#define ATA_ERRREG_ABRT  BIT2  ///< Aborted Command         defined in ATA-6

+#define ATA_ERRREG_TK0NF BIT1  ///< Track 0 Not Found       defined in ATA-3

+#define ATA_ERRREG_AMNF  BIT0  ///< Address Mark Not Found  defined in ATA-3

 

-//

-// Status Reg

-//

-#define ATA_STSREG_BSY   BIT7  /* Controller Busy */

-#define ATA_STSREG_DRDY  BIT6  /* Drive Ready */

-#define ATA_STSREG_DWF   BIT5  /* Drive Write Fault */

-#define ATA_STSREG_DSC   BIT4  /* Disk Seek Complete */

-#define ATA_STSREG_DRQ   BIT3  /* Data Request */

-#define ATA_STSREG_CORR  BIT2  /* Corrected Data */

-#define ATA_STSREG_IDX   BIT1  /* Index */

-#define ATA_STSREG_ERR   BIT0  /* Error */

+///

+/// Status Register

+///

+#define ATA_STSREG_BSY   BIT7  ///< Controller Busy         defined in ATA-6

+#define ATA_STSREG_DRDY  BIT6  ///< Drive Ready             defined in ATA-6

+#define ATA_STSREG_DWF   BIT5  ///< Drive Write Fault       defined in ATA-6

+#define ATA_STSREG_DSC   BIT4  ///< Disk Seek Complete      defined in ATA-3

+#define ATA_STSREG_DRQ   BIT3  ///< Data Request            defined in ATA-6

+#define ATA_STSREG_CORR  BIT2  ///< Corrected Data          defined in ATA-3

+#define ATA_STSREG_IDX   BIT1  ///< Index                   defined in ATA-3

+#define ATA_STSREG_ERR   BIT0  ///< Error                   defined in ATA-6

 

-//

-// Device Control Reg

-//

-#define ATA_CTLREG_SRST  BIT2  /* Software Reset */

-#define ATA_CTLREG_IEN_L BIT1  /* Interrupt Enable #*/

+///

+/// Device Control Register

+///

+#define ATA_CTLREG_SRST  BIT2  ///< Software Reset

+#define ATA_CTLREG_IEN_L BIT1  ///< Interrupt Enable #

 

 #endif