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#ifndef _PS2ESDI_H_
#define _PS2ESDI_H_
#define NRML_ESDI_ID 0xddff
#define INTG_ESDI_ID 0xdf9f
#define PRIMARY_IO_BASE 0x3510
#define ALT_IO_BASE 0x3518
#define ESDI_CMD_INT (io_base+0)
#define ESDI_STT_INT (io_base+0)
#define ESDI_CONTROL (io_base+2)
#define ESDI_STATUS (io_base+2)
#define ESDI_ATTN (io_base+3)
#define ESDI_INTRPT (io_base+3)
#define STATUS_ENABLED 0x01
#define STATUS_ALTERNATE 0x02
#define STATUS_BUSY 0x10
#define STATUS_STAT_AVAIL 0x08
#define STATUS_INTR 0x01
#define STATUS_RESET_FAIL 0xea
#define STATUS_CMD_INF 0x04
#define CTRL_SOFT_RESET 0xe4
#define CTRL_HARD_RESET 0x80
#define CTRL_EOI 0xe2
#define CTRL_ENABLE_DMA 0x02
#define CTRL_ENABLE_INTR 0x01
#define CTRL_DISABLE_INTR 0x00
#define ATT_EOI 0x02
/* bits of word 0 of configuration status block. more info see p.38 of tech ref */
#define CONFIG_IS 0x10 /* Invalid Secondary */
#define CONFIG_ZD 0x08 /* Zero Defect */
#define CONFIG_SF 0x04 /* Skewed Format */
#define CONFIG_FR 0x02 /* Removable */
#define CONFIG_RT 0x01 /* Retries */
#define PORT_SYS_A 0x92
#define PORT_DMA_FN 0x18
#define PORT_DMA_EX 0x1a
#define ON (unsigned char)0x40
#define OFF (unsigned char)~ON
#define LITE_ON outb(inb(PORT_SYS_A) | ON,PORT_SYS_A)
#define LITE_OFF outb((inb(PORT_SYS_A) & OFF),PORT_SYS_A)
#define FAIL 0
#define SUCCES 1
#define INT_CMD_COMPLETE 0x01
#define INT_CMD_ECC 0x03
#define INT_CMD_RETRY 0x05
#define INT_CMD_FORMAT 0x06
#define INT_CMD_ECC_RETRY 0x07
#define INT_CMD_WARNING 0x08
#define INT_CMD_ABORT 0x09
#define INT_RESET 0x0A
#define INT_TRANSFER_REQ 0x0B
#define INT_CMD_FAILED 0x0C
#define INT_DMA_ERR 0x0D
#define INT_CMD_BLK_ERR 0x0E
#define INT_ATTN_ERROR 0x0F
#define DMA_MASK_CHAN 0x90
#define DMA_UNMASK_CHAN 0xA0
#define DMA_WRITE_ADDR 0x20
#define DMA_WRITE_TC 0x40
#define DMA_WRITE_MODE 0x70
#define CMD_GET_DEV_CONFIG 0x09
#define CMD_READ 0x4601
#define CMD_WRITE 0x4602
#define DMA_READ_16 0x4C
#define DMA_WRITE_16 0x44
#define MB 1024*1024
#define SECT_SIZE 512
#define ERROR 1
#define OK 0
#define HDIO_GETGEO 0x0301
#define FALSE 0
#define TRUE !FALSE
struct ps2esdi_geometry {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
unsigned long start;
};
#endif /* _PS2ESDI_H_ */
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