#define __ATA_H
#include "types.h" // u16
+#include "atabits.h" // ATA_CB_DH_DEV1
// Function definitions
-void ata_reset(u16 device);
-u16 ata_cmd_data_in(u16 device, u16 command, u16 count, u16 cylinder
- , u16 head, u16 sector, u32 lba, u16 segment, u16 offset);
-u16 ata_cmd_data_out(u16 device, u16 command, u16 count, u16 cylinder
- , u16 head, u16 sector, u32 lba, u16 segment, u16 offset);
-u16 ata_cmd_packet(u16 device, u8 *cmdbuf, u8 cmdlen, u16 header
- , u32 length, u8 inout, u16 bufseg, u16 bufoff);
-u16 cdrom_read(u16 device, u32 lba, u32 count
- , u16 segment, u16 offset, u16 skip);
+void ata_reset(int driveid);
+int ata_cmd_data(int driveid, u16 command, u32 lba, u16 count, void *far_buffer);
+int ata_cmd_packet(int driveid, u8 *cmdbuf, u8 cmdlen
+ , u32 length, void *far_buffer);
+int cdrom_read(int driveid, u32 lba, u32 count, void *far_buffer);
+int cdrom_read_512(int driveid, u32 lba, u32 count, void *far_buffer);
void ata_detect();
-// Global defines -- ATA register and register bits.
-// command block & control block regs
-#define ATA_CB_DATA 0 // data reg in/out pio_base_addr1+0
-#define ATA_CB_ERR 1 // error in pio_base_addr1+1
-#define ATA_CB_FR 1 // feature reg out pio_base_addr1+1
-#define ATA_CB_SC 2 // sector count in/out pio_base_addr1+2
-#define ATA_CB_SN 3 // sector number in/out pio_base_addr1+3
-#define ATA_CB_CL 4 // cylinder low in/out pio_base_addr1+4
-#define ATA_CB_CH 5 // cylinder high in/out pio_base_addr1+5
-#define ATA_CB_DH 6 // device head in/out pio_base_addr1+6
-#define ATA_CB_STAT 7 // primary status in pio_base_addr1+7
-#define ATA_CB_CMD 7 // command out pio_base_addr1+7
-#define ATA_CB_ASTAT 6 // alternate status in pio_base_addr2+6
-#define ATA_CB_DC 6 // device control out pio_base_addr2+6
-#define ATA_CB_DA 7 // device address in pio_base_addr2+7
-
-#define ATA_CB_ER_ICRC 0x80 // ATA Ultra DMA bad CRC
-#define ATA_CB_ER_BBK 0x80 // ATA bad block
-#define ATA_CB_ER_UNC 0x40 // ATA uncorrected error
-#define ATA_CB_ER_MC 0x20 // ATA media change
-#define ATA_CB_ER_IDNF 0x10 // ATA id not found
-#define ATA_CB_ER_MCR 0x08 // ATA media change request
-#define ATA_CB_ER_ABRT 0x04 // ATA command aborted
-#define ATA_CB_ER_NTK0 0x02 // ATA track 0 not found
-#define ATA_CB_ER_NDAM 0x01 // ATA address mark not found
-
-#define ATA_CB_ER_P_SNSKEY 0xf0 // ATAPI sense key (mask)
-#define ATA_CB_ER_P_MCR 0x08 // ATAPI Media Change Request
-#define ATA_CB_ER_P_ABRT 0x04 // ATAPI command abort
-#define ATA_CB_ER_P_EOM 0x02 // ATAPI End of Media
-#define ATA_CB_ER_P_ILI 0x01 // ATAPI Illegal Length Indication
-
-// ATAPI Interrupt Reason bits in the Sector Count reg (CB_SC)
-#define ATA_CB_SC_P_TAG 0xf8 // ATAPI tag (mask)
-#define ATA_CB_SC_P_REL 0x04 // ATAPI release
-#define ATA_CB_SC_P_IO 0x02 // ATAPI I/O
-#define ATA_CB_SC_P_CD 0x01 // ATAPI C/D
-
-// bits 7-4 of the device/head (CB_DH) reg
-#define ATA_CB_DH_DEV0 0xa0 // select device 0
-#define ATA_CB_DH_DEV1 0xb0 // select device 1
-#define ATA_CB_DH_LBA 0x40 // use LBA
-
-// status reg (CB_STAT and CB_ASTAT) bits
-#define ATA_CB_STAT_BSY 0x80 // busy
-#define ATA_CB_STAT_RDY 0x40 // ready
-#define ATA_CB_STAT_DF 0x20 // device fault
-#define ATA_CB_STAT_WFT 0x20 // write fault (old name)
-#define ATA_CB_STAT_SKC 0x10 // seek complete
-#define ATA_CB_STAT_SERV 0x10 // service
-#define ATA_CB_STAT_DRQ 0x08 // data request
-#define ATA_CB_STAT_CORR 0x04 // corrected
-#define ATA_CB_STAT_IDX 0x02 // index
-#define ATA_CB_STAT_ERR 0x01 // error (ATA)
-#define ATA_CB_STAT_CHK 0x01 // check (ATAPI)
-
-// device control reg (CB_DC) bits
-#define ATA_CB_DC_HD15 0x08 // bit should always be set to one
-#define ATA_CB_DC_SRST 0x04 // soft reset
-#define ATA_CB_DC_NIEN 0x02 // disable interrupts
-
-// Most mandtory and optional ATA commands (from ATA-3),
-#define ATA_CMD_CFA_ERASE_SECTORS 0xC0
-#define ATA_CMD_CFA_REQUEST_EXT_ERR_CODE 0x03
-#define ATA_CMD_CFA_TRANSLATE_SECTOR 0x87
-#define ATA_CMD_CFA_WRITE_MULTIPLE_WO_ERASE 0xCD
-#define ATA_CMD_CFA_WRITE_SECTORS_WO_ERASE 0x38
-#define ATA_CMD_CHECK_POWER_MODE1 0xE5
-#define ATA_CMD_CHECK_POWER_MODE2 0x98
-#define ATA_CMD_DEVICE_RESET 0x08
-#define ATA_CMD_EXECUTE_DEVICE_DIAGNOSTIC 0x90
-#define ATA_CMD_FLUSH_CACHE 0xE7
-#define ATA_CMD_FORMAT_TRACK 0x50
-#define ATA_CMD_IDENTIFY_DEVICE 0xEC
-#define ATA_CMD_IDENTIFY_DEVICE_PACKET 0xA1
-#define ATA_CMD_IDENTIFY_PACKET_DEVICE 0xA1
-#define ATA_CMD_IDLE1 0xE3
-#define ATA_CMD_IDLE2 0x97
-#define ATA_CMD_IDLE_IMMEDIATE1 0xE1
-#define ATA_CMD_IDLE_IMMEDIATE2 0x95
-#define ATA_CMD_INITIALIZE_DRIVE_PARAMETERS 0x91
-#define ATA_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
-#define ATA_CMD_NOP 0x00
-#define ATA_CMD_PACKET 0xA0
-#define ATA_CMD_READ_BUFFER 0xE4
-#define ATA_CMD_READ_DMA 0xC8
-#define ATA_CMD_READ_DMA_QUEUED 0xC7
-#define ATA_CMD_READ_MULTIPLE 0xC4
-#define ATA_CMD_READ_SECTORS 0x20
-#define ATA_CMD_READ_VERIFY_SECTORS 0x40
-#define ATA_CMD_RECALIBRATE 0x10
-#define ATA_CMD_REQUEST_SENSE 0x03
-#define ATA_CMD_SEEK 0x70
-#define ATA_CMD_SET_FEATURES 0xEF
-#define ATA_CMD_SET_MULTIPLE_MODE 0xC6
-#define ATA_CMD_SLEEP1 0xE6
-#define ATA_CMD_SLEEP2 0x99
-#define ATA_CMD_STANDBY1 0xE2
-#define ATA_CMD_STANDBY2 0x96
-#define ATA_CMD_STANDBY_IMMEDIATE1 0xE0
-#define ATA_CMD_STANDBY_IMMEDIATE2 0x94
-#define ATA_CMD_WRITE_BUFFER 0xE8
-#define ATA_CMD_WRITE_DMA 0xCA
-#define ATA_CMD_WRITE_DMA_QUEUED 0xCC
-#define ATA_CMD_WRITE_MULTIPLE 0xC5
-#define ATA_CMD_WRITE_SECTORS 0x30
-#define ATA_CMD_WRITE_VERIFY 0x3C
-
-#define ATA_IFACE_NONE 0x00
-#define ATA_IFACE_ISA 0x00
-#define ATA_IFACE_PCI 0x01
-
-#define ATA_TYPE_NONE 0x00
-#define ATA_TYPE_UNKNOWN 0x01
-#define ATA_TYPE_ATA 0x02
-#define ATA_TYPE_ATAPI 0x03
-
-#define ATA_DEVICE_NONE 0x00
-#define ATA_DEVICE_HD 0xFF
-#define ATA_DEVICE_CDROM 0x05
-
-#define ATA_MODE_NONE 0x00
-#define ATA_MODE_PIO16 0x00
-#define ATA_MODE_PIO32 0x01
-#define ATA_MODE_ISADMA 0x02
-#define ATA_MODE_PCIDMA 0x03
-#define ATA_MODE_USEIRQ 0x10
-
-#define ATA_TRANSLATION_NONE 0
-#define ATA_TRANSLATION_LBA 1
-#define ATA_TRANSLATION_LARGE 2
-#define ATA_TRANSLATION_RECHS 3
-
-#define ATA_DATA_NO 0x00
-#define ATA_DATA_IN 0x01
-#define ATA_DATA_OUT 0x02
-
#endif /* __ATA_H */
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