diff options
| author | Willy Tarreau <w@1wt.eu> | 2020-03-31 11:40:33 +0200 |
|---|---|---|
| committer | Denis Efremov <efremov@linux.com> | 2020-05-12 19:34:52 +0300 |
| commit | 7d33850abdb9048c6aa421440a64905eb4ad07a2 (patch) | |
| tree | b89f84f7c817a5876e3b41b4ab184158e3b0b9da /include | |
| parent | e72e8bf1c9847a12de74f2fd3ea1f5511866526b (diff) | |
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/fdreg.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/uapi/linux/fdreg.h b/include/uapi/linux/fdreg.h index 1318881954e1..10d33632939d 100644 --- a/include/uapi/linux/fdreg.h +++ b/include/uapi/linux/fdreg.h @@ -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 |