ATAController.h File Reference

#include <FreeNOS/User.h>
#include <List.h>
#include <Device.h>

Go to the source code of this file.

Data Structures
struct	IdentifyData
	IDENTIFY data presentation. More...
struct	ATADrive
	Represents a Drive on the ATA bus. More...
class	ATAController
	AT Attachment (ATA) Host Controller Device. More...

Macros
#define	IDENTIFY_TEXT_SWAP(field, size)
	Swap ASCII bytes from IDENTIFY.
ATA I/O Bases.
#define	ATA_BASE_CMD0   0x1f0
	First ATA Bus Command I/O Base.
#define	ATA_BASE_CMD1   0x170
	Second ATA Bus Command I/O Base.
#define	ATA_BASE_CTL0   0x3f6
	First ATA Bus Control I/O Base.
#define	ATA_BASE_CTL1   0x376
	Second ATA Bus Control I/O Base.
ATA Command Registers.
See also http://wiki.osdev.org/ATA_PIO_Mode#Registers
#define	ATA_REG_DATA   0
	Data port.
#define	ATA_REG_ERROR   1
	Features and Error info.
#define	ATA_REG_COUNT   2
	Sector Count.
#define	ATA_REG_ADDR0   3
	Partial Disk Sector address.
#define	ATA_REG_ADDR1   4
	Partial Disk Sector address.
#define	ATA_REG_ADDR2   5
	Partial Disk Sector address.
#define	ATA_REG_SELECT   6
	Drive Select bit, Flag bits, Extra address bits.
#define	ATA_REG_CMD   7
	Command port and Regular Status port.
#define	ATA_REG_STATUS   7
	Regular Status port.
ATA Status Registers.
#define	ATA_STATUS_ERROR   0x01
	Error flag (when set).
#define	ATA_STATUS_DATA   0x08
	Drive data ready for transfer.
#define	ATA_STATUS_BUSY   0x80
	Drive is preparing to accept or send data.
ATA Control Registers.
See also http://wiki.osdev.org/ATA_PIO_Mode#Device_Control_Register_.2F_Alternate_Status
#define	ATA_REG_RESET   0x4
	Software Reset.
#define	ATA_REG_INTR   0x2
	Interrupt Disable.
ATA Device Selector Flags.
#define	ATA_SEL_MASTER   0xa0
	Master Drive in Legacy mode.
#define	ATA_SEL_MASTER_28   0xe0
	Master Drive in 28-bit LBA mode.
#define	ATA_SEL_MASTER_48   0x40
	Master Drive in 48-bit LBA mode.
ATA Commands.
#define	ATA_CMD_IDENTIFY   0xec
	Identifies an ATA device, if any.
#define	ATA_CMD_READ   0x20
	Reads sectors from an ATA device.

Typedefs
typedef struct IdentifyData	IdentifyData
	IDENTIFY data presentation.
typedef struct ATADrive	ATADrive
	Represents a Drive on the ATA bus.