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linux
floppy: add references to 82077's extra registers
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>
authored by
Willy Tarreau
and committed by
Denis Efremov
7d33850a
e72e8bf1
+13
-3
+13
-3
include/uapi/linux/fdreg.h
+13
-3
include/uapi/linux/fdreg.h
···
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* Handbook", Sanches and Canton.
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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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/* 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
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/* 82077's tape drive register (R/W) */
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#define FD_TDR 3
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/* 82077's data rate select register (W) */
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#define FD_DSR 4
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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