1 files changed, 98 insertions, 0 deletions
diff --git a/include/linux/ps2esdi.h b/include/linux/ps2esdi.h
new file mode 100644
index 00000000000..c0e050b1dfe
--- /dev/null
+++ b/include/linux/ps2esdi.h
@@ -0,0 +1,98 @@
+#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_ */