This repository has been archived on 2025-02-27. You can view files and clone it, but cannot push or open issues or pull requests.
portland-os/src/kernel/ata.h

75 lines
No EOL
1.4 KiB
C

enum {
ATA_STATUS_BUSY = 0x80,
ATA_STATUS_DRIVE_READY = 0x40,
ATA_STATUS_DRIVE_FAULT = 0x20,
ATA_STATUS_SEEK_DONE = 0x10,
ATA_STATUS_DATA_READY = 0x08,
ATA_STATUS_CORRECTED = 0x04,
ATA_STATUS_INDEX = 0x02,
ATA_STATUS_ERROR = 0x01
};
enum {
ATA_ERROR_BAD_BLOCK = 0x80,
ATA_ERROR_UNCORRECTABLE = 0x40,
ATA_ERROR_MEDIA_SWAPPED = 0x20,
ATA_ERROR_NO_ID_MARK = 0x10,
ATA_ERROR_MEDIA_SWAPPING = 0x08,
ATA_ERROR_ABORTED_CMD = 0x04,
ATA_ERROR_NO_TRACK_ZERO = 0x02,
ATA_ERROR_NO_ADDR_MARK = 0x01
};
enum {
ATA_CMD_READ = 0x20,
ATA_CMD_WRITE = 0x30,
ATA_CMD_WRITE_EXT = 0x34,
ATA_CMD_READ_EXT = 0x40,
ATAPI_CMD = 0xa0,
ATAPI_CMD_ID = 0xa1,
ATA_CMD_FLUSH = 0xe7,
ATA_CMD_FLUSH_EXT = 0xea,
ATA_CMD_ID = 0xec,
};
enum {
ATAPI_CMD_EJECT = 0x1b,
ATAPI_CMD_READ = 0xa8
};
enum {
ATA_REG_DATA = 0x0,
ATA_REG_ERROR = 0x1,
ATA_REG_FEAT = 0x1,
ATA_REG_COUNT = 0x2,
ATA_REG_LBA0 = 0x3,
ATA_REG_LBA1 = 0x4,
ATA_REG_LBA2 = 0x5,
ATA_REG_SELECT = 0x6,
ATA_REG_CMD = 0x7,
ATA_REG_STATUS = 0x7,
};
enum {
ATA_MASTER_SELECT = 0xa0,
ATA_SLAVE_SELECT = 0xb0
};
enum {
ATA_SET_EXT = 0x04000000
};
enum {
ATA_CAP_LBA = 0x00000200
};
enum {
ATA_CONTROL_NO_IRQS = 0x02,
};
enum {
PATA_TYPE_ID = 0x0000,
SATA_TYPE_ID = 0xc33c,
PATAPI_TYPE_ID = 0xeb14,
SATAPI_TYPE_ID = 0x9669
};