| #ifndef __ATA_H |
| #define __ATA_H |
| |
| #include "block.h" // struct drive_s |
| #include "config.h" // CONFIG_MAX_ATA_INTERFACES |
| #include "types.h" // u8 |
| |
| 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); |
| |
| // 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 |
