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