-// Low level ATA disk definitions
-//
-// Copyright (C) 2008 Kevin O'Connor <kevin@koconnor.net>
-// Copyright (C) 2002 MandrakeSoft S.A.
-//
-// This file may be distributed under the terms of the GNU GPLv3 license.
-
#ifndef __ATA_H
#define __ATA_H
-#include "types.h" // u16
-#include "atabits.h" // ATA_CB_DH_DEV1
+#include "types.h" // u8
+#include "config.h" // CONFIG_MAX_ATA_INTERFACES
+#include "disk.h" // struct drive_s
+
+struct ata_channel_s {
+ u16 iobase1;
+ u16 iobase2;
+ u16 iomaster;
+ u8 irq;
+ u8 chanid;
+ int pci_bdf;
+ struct pci_device *pci_tmp;
+};
+
+struct atadrive_s {
+ struct drive_s drive;
+ struct ata_channel_s *chan_gf;
+ u8 slave;
+};
+
+// ata.c
+char *ata_extract_model(char *model, u32 size, u16 *buffer);
+int ata_extract_version(u16 *buffer);
+int cdrom_read(struct disk_op_s *op);
+int atapi_cmd_data(struct disk_op_s *op, void *cdbcmd, u16 blocksize);
+void ata_setup(void);
+int process_ata_op(struct disk_op_s *op);
+int process_atapi_op(struct disk_op_s *op);
+
+// 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 2 // alternate status in pio_base_addr2+2
+#define ATA_CB_DC 2 // device control out pio_base_addr2+2
+#define ATA_CB_DA 3 // device address in pio_base_addr2+3
+
+#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
-// Function definitions
-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 hard_drive_setup();
+// Most mandtory and optional ATA commands (from ATA-3),
+#define ATA_CMD_NOP 0x00
+#define ATA_CMD_CFA_REQUEST_EXT_ERR_CODE 0x03
+#define ATA_CMD_DEVICE_RESET 0x08
+#define ATA_CMD_RECALIBRATE 0x10
+#define ATA_CMD_READ_SECTORS 0x20
+#define ATA_CMD_READ_SECTORS_EXT 0x24
+#define ATA_CMD_READ_DMA_EXT 0x25
+#define ATA_CMD_READ_DMA_QUEUED_EXT 0x26
+#define ATA_CMD_READ_NATIVE_MAX_ADDRESS_EXT 0x27
+#define ATA_CMD_READ_MULTIPLE_EXT 0x29
+#define ATA_CMD_READ_LOG_EXT 0x2F
+#define ATA_CMD_WRITE_SECTORS 0x30
+#define ATA_CMD_WRITE_SECTORS_EXT 0x34
+#define ATA_CMD_WRITE_DMA_EXT 0x35
+#define ATA_CMD_WRITE_DMA_QUEUED_EXT 0x36
+#define ATA_CMD_SET_MAX_ADDRESS_EXT 0x37
+#define ATA_CMD_CFA_WRITE_SECTORS_WO_ERASE 0x38
+#define ATA_CMD_WRITE_MULTIPLE_EXT 0x39
+#define ATA_CMD_WRITE_VERIFY 0x3C
+#define ATA_CMD_WRITE_LOG_EXT 0x3F
+#define ATA_CMD_READ_VERIFY_SECTORS 0x40
+#define ATA_CMD_READ_VERIFY_SECTORS_EXT 0x42
+#define ATA_CMD_FORMAT_TRACK 0x50
+#define ATA_CMD_SEEK 0x70
+#define ATA_CMD_CFA_TRANSLATE_SECTOR 0x87
+#define ATA_CMD_EXECUTE_DEVICE_DIAGNOSTIC 0x90
+#define ATA_CMD_INITIALIZE_DEVICE_PARAMETERS 0x91
+#define ATA_CMD_STANDBY_IMMEDIATE2 0x94
+#define ATA_CMD_IDLE_IMMEDIATE2 0x95
+#define ATA_CMD_STANDBY2 0x96
+#define ATA_CMD_IDLE2 0x97
+#define ATA_CMD_CHECK_POWER_MODE2 0x98
+#define ATA_CMD_SLEEP2 0x99
+#define ATA_CMD_PACKET 0xA0
+#define ATA_CMD_IDENTIFY_PACKET_DEVICE 0xA1
+#define ATA_CMD_CFA_ERASE_SECTORS 0xC0
+#define ATA_CMD_READ_MULTIPLE 0xC4
+#define ATA_CMD_WRITE_MULTIPLE 0xC5
+#define ATA_CMD_SET_MULTIPLE_MODE 0xC6
+#define ATA_CMD_READ_DMA_QUEUED 0xC7
+#define ATA_CMD_READ_DMA 0xC8
+#define ATA_CMD_WRITE_DMA 0xCA
+#define ATA_CMD_WRITE_DMA_QUEUED 0xCC
+#define ATA_CMD_CFA_WRITE_MULTIPLE_WO_ERASE 0xCD
+#define ATA_CMD_STANDBY_IMMEDIATE 0xE0
+#define ATA_CMD_IDLE_IMMEDIATE 0xE1
+#define ATA_CMD_STANDBY 0xE2
+#define ATA_CMD_IDLE 0xE3
+#define ATA_CMD_READ_BUFFER 0xE4
+#define ATA_CMD_CHECK_POWER_MODE 0xE5
+#define ATA_CMD_SLEEP 0xE6
+#define ATA_CMD_FLUSH_CACHE 0xE7
+#define ATA_CMD_WRITE_BUFFER 0xE8
+#define ATA_CMD_IDENTIFY_DEVICE 0xEC
+#define ATA_CMD_SET_FEATURES 0xEF
+#define ATA_CMD_READ_NATIVE_MAX_ADDRESS 0xF8
+#define ATA_CMD_SET_MAX 0xF9
-#endif /* __ATA_H */
+#endif // ata.h
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