floppy: add references to 82077's extra registers (7d33850a) · Commits · 戴 / test

This controller provides extra status registers SRA and SRB as well as a tape drive register (TDR) and a data rate select register (DSR), which are referenced in the sparc port, so let's have their symbolic definitions centralized. Link: https://lore.kernel.org/r/20200331094054.24441-3-w@1wt.eu Signed-off-by:

Willy Tarreau <w@1wt.eu> Signed-off-by:

Denis Efremov <efremov@linux.com>

include/uapi/linux/fdreg.h

+13 −3

Original line number	Diff line number	Diff line
		@@ -7,13 +7,23 @@
		* Handbook", Sanches and Canton.
		*/

		/* Fd controller regs. S&C, about page 340 */
		#define FD_STATUS 4
		#define FD_DATA 5
		/* 82077's auxiliary status registers A & B (R) */
		#define FD_SRA 0
		#define FD_SRB 1

		/* Digital Output Register */
		#define FD_DOR 2

		/* 82077's tape drive register (R/W) */
		#define FD_TDR 3

		/* 82077's data rate select register (W) */
		#define FD_DSR 4

		/* Fd controller regs. S&C, about page 340 */
		#define FD_STATUS 4
		#define FD_DATA 5

		/* Digital Input Register (read) */
		#define FD_DIR 7

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