export RK_PA3

hc

2024-02-19 151fecfb72a0d602dfe79790602ef64b4e241574

 kernel/include/uapi/linux/fdreg.h
..
..
@@ -7,26 +7,28 @@
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  * Handbook", Sanches and Canton.
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  */
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-#ifdef FDPATCHES
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-#define FD_IOPORT fdc_state[fdc].address
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-#else
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-/* It would be a lot saner just to force fdc_state[fdc].address to always
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-   be set ! FIXME */
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-#define FD_IOPORT 0x3f0
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-#endif
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-
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-/* Fd controller regs. S&C, about page 340 */
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-#define FD_STATUS	(4 + FD_IOPORT )
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-#define FD_DATA		(5 + FD_IOPORT )
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+/* 82077's auxiliary status registers A & B (R) */
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+#define FD_SRA		0
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+#define FD_SRB		1
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 /* Digital Output Register */
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-#define FD_DOR		(2 + FD_IOPORT )
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+#define FD_DOR		2
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+
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+/* 82077's tape drive register (R/W) */
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+#define FD_TDR		3
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+
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+/* 82077's data rate select register (W) */
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+#define FD_DSR		4
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+
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+/* Fd controller regs. S&C, about page 340 */
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+#define FD_STATUS	4
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+#define FD_DATA		5
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 /* Digital Input Register (read) */
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-#define FD_DIR		(7 + FD_IOPORT )
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+#define FD_DIR		7
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 /* Diskette Control Register (write)*/
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-#define FD_DCR		(7 + FD_IOPORT )
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+#define FD_DCR		7
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 /* Bits of main status register */
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 #define STATUS_BUSYMASK	0x0F		/* drive busy mask */