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| author | Takashi Iwai <tiwai@suse.de> | 2008-12-19 08:22:57 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-12-19 08:22:57 +0100 |
| commit | 0ff555192a8d20385d49d1c420e2e8d409b3c0da (patch) | |
| tree | b6e4b6cae1028a310a3488ebf745954c51694bfc /include/linux/fd.h | |
| parent | 3218c178b41b420cb7e0d120c7a137a3969242e5 (diff) | |
| parent | 9e43f0de690211cf7153b5f3ec251bc315647ada (diff) | |
Merge branch 'fix/hda' into topic/hda
Diffstat (limited to 'include/linux/fd.h')
| -rw-r--r-- | include/linux/fd.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/fd.h b/include/linux/fd.h index b6bd41d2b46..f5d194af07a 100644 --- a/include/linux/fd.h +++ b/include/linux/fd.h @@ -15,10 +15,16 @@ struct floppy_struct { sect, /* sectors per track */ head, /* nr of heads */ track, /* nr of tracks */ - stretch; /* !=0 means double track steps */ + stretch; /* bit 0 !=0 means double track steps */ + /* bit 1 != 0 means swap sides */ + /* bits 2..9 give the first sector */ + /* number (the LSB is flipped) */ #define FD_STRETCH 1 #define FD_SWAPSIDES 2 #define FD_ZEROBASED 4 +#define FD_SECTBASEMASK 0x3FC +#define FD_MKSECTBASE(s) (((s) ^ 1) << 2) +#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) unsigned char gap, /* gap1 size */ |