#ifndef __ATA_H #define __ATA_H #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 // 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