99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
|
#ifndef CRASHPOWEROS_IDE_H
|
||
|
|
#define CRASHPOWEROS_IDE_H
|
||
|
|
|
||
|
|
#define ATA_SR_BSY 0x80 // Busy
|
||
|
|
#define ATA_SR_DRDY 0x40 // Drive ready
|
||
|
|
#define ATA_SR_DF 0x20 // Drive write fault
|
||
|
|
#define ATA_SR_DSC 0x10 // Drive seek complete
|
||
|
|
#define ATA_SR_DRQ 0x08 // Data request ready
|
||
|
|
#define ATA_SR_CORR 0x04 // Corrected data
|
||
|
|
#define ATA_SR_IDX 0x02 // Index
|
||
|
|
#define ATA_SR_ERR 0x01 // Error
|
||
|
|
#define ATA_ER_BBK 0x80 // Bad block
|
||
|
|
#define ATA_ER_UNC 0x40 // Uncorrectable data
|
||
|
|
#define ATA_ER_MC 0x20 // Media changed
|
||
|
|
#define ATA_ER_IDNF 0x10 // ID mark not found
|
||
|
|
#define ATA_ER_MCR 0x08 // Media change request
|
||
|
|
#define ATA_ER_ABRT 0x04 // Command aborted
|
||
|
|
#define ATA_ER_TK0NF 0x02 // Track 0 not found
|
||
|
|
#define ATA_ER_AMNF 0x01 // No address mark
|
||
|
|
#define ATA_CMD_READ_PIO 0x20
|
||
|
|
#define ATA_CMD_READ_PIO_EXT 0x24
|
||
|
|
#define ATA_CMD_READ_DMA 0xC8
|
||
|
|
#define ATA_CMD_READ_DMA_EXT 0x25
|
||
|
|
#define ATA_CMD_WRITE_PIO 0x30
|
||
|
|
#define ATA_CMD_WRITE_PIO_EXT 0x34
|
||
|
|
#define ATA_CMD_WRITE_DMA 0xCA
|
||
|
|
#define ATA_CMD_WRITE_DMA_EXT 0x35
|
||
|
|
#define ATA_CMD_CACHE_FLUSH 0xE7
|
||
|
|
#define ATA_CMD_CACHE_FLUSH_EXT 0xEA
|
||
|
|
#define ATA_CMD_PACKET 0xA0
|
||
|
|
#define ATA_CMD_IDENTIFY_PACKET 0xA1
|
||
|
|
#define ATA_CMD_IDENTIFY 0xEC
|
||
|
|
#define ATAPI_CMD_READ 0xA8
|
||
|
|
#define ATAPI_CMD_EJECT 0x1B
|
||
|
|
#define ATA_IDENT_DEVICETYPE 0
|
||
|
|
#define ATA_IDENT_CYLINDERS 2
|
||
|
|
#define ATA_IDENT_HEADS 6
|
||
|
|
#define ATA_IDENT_SECTORS 12
|
||
|
|
#define ATA_IDENT_SERIAL 20
|
||
|
|
#define ATA_IDENT_MODEL 54
|
||
|
|
#define ATA_IDENT_CAPABILITIES 98
|
||
|
|
#define ATA_IDENT_FIELDVALID 106
|
||
|
|
#define ATA_IDENT_MAX_LBA 120
|
||
|
|
#define ATA_IDENT_COMMANDSETS 164
|
||
|
|
#define ATA_IDENT_MAX_LBA_EXT 200
|
||
|
|
#define IDE_ATA 0x00
|
||
|
|
#define IDE_ATAPI 0x01
|
||
|
|
|
||
|
|
#define ATA_MASTER 0x00
|
||
|
|
#define ATA_SLAVE 0x01
|
||
|
|
#define ATA_REG_DATA 0x00
|
||
|
|
#define ATA_REG_ERROR 0x01
|
||
|
|
#define ATA_REG_FEATURES 0x01
|
||
|
|
#define ATA_REG_SECCOUNT0 0x02
|
||
|
|
#define ATA_REG_LBA0 0x03
|
||
|
|
#define ATA_REG_LBA1 0x04
|
||
|
|
#define ATA_REG_LBA2 0x05
|
||
|
|
#define ATA_REG_HDDEVSEL 0x06
|
||
|
|
#define ATA_REG_COMMAND 0x07
|
||
|
|
#define ATA_REG_STATUS 0x07
|
||
|
|
#define ATA_REG_SECCOUNT1 0x08
|
||
|
|
#define ATA_REG_LBA3 0x09
|
||
|
|
#define ATA_REG_LBA4 0x0A
|
||
|
|
#define ATA_REG_LBA5 0x0B
|
||
|
|
#define ATA_REG_CONTROL 0x0C
|
||
|
|
#define ATA_REG_ALTSTATUS 0x0C
|
||
|
|
#define ATA_REG_DEVADDRESS 0x0D
|
||
|
|
// Channels:
|
||
|
|
#define ATA_PRIMARY 0x00
|
||
|
|
#define ATA_SECONDARY 0x01
|
||
|
|
|
||
|
|
// Directions:
|
||
|
|
#define ATA_READ 0x00
|
||
|
|
#define ATA_WRITE 0x01
|
||
|
|
|
||
|
|
unsigned char ide_read(unsigned char channel, unsigned char reg);
|
||
|
|
void ide_write(unsigned char channel, unsigned char reg, unsigned char data);
|
||
|
|
void ide_read_buffer(unsigned char channel, unsigned char reg,
|
||
|
|
unsigned int buffer, unsigned int quads);
|
||
|
|
unsigned char ide_polling(unsigned char channel, unsigned int advanced_check);
|
||
|
|
unsigned char ide_print_error(unsigned int drive, unsigned char err);
|
||
|
|
void ide_wait_irq();
|
||
|
|
void ide_irq();
|
||
|
|
unsigned char ide_ata_access(unsigned char direction, unsigned char drive,
|
||
|
|
unsigned int lba, unsigned char numsects,
|
||
|
|
unsigned short selector, unsigned int edi);
|
||
|
|
void ide_write_sectors(unsigned char drive, unsigned char numsects,
|
||
|
|
unsigned int lba, unsigned short es, unsigned int edi);
|
||
|
|
void ide_read_sectors(unsigned char drive, unsigned char numsects,
|
||
|
|
unsigned int lba, unsigned short es, unsigned int edi);
|
||
|
|
unsigned char ide_atapi_read(unsigned char drive, unsigned int lba,
|
||
|
|
unsigned char numsects, unsigned short selector,
|
||
|
|
unsigned int edi);
|
||
|
|
void ide_atapi_eject(unsigned char drive);
|
||
|
|
void ide_initialize(unsigned int BAR0, unsigned int BAR1, unsigned int BAR2,
|
||
|
|
unsigned int BAR3, unsigned int BAR4);
|
||
|
|
|
||
|
|
#endif
|