From 37640ed3533d399937b45971a49c99a662767394 Mon Sep 17 00:00:00 2001 From: vanjeff Date: Mon, 3 Nov 2008 01:42:53 +0000 Subject: [PATCH] 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 --- MdePkg/Include/IndustryStandard/Atapi.h | 396 +++++++++++------------- 1 file 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