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Diffstat (limited to 'Documentation/parport.txt')
| -rw-r--r-- | Documentation/parport.txt | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/Documentation/parport.txt b/Documentation/parport.txt index 3273ce7..ad3f9b8 100644 --- a/Documentation/parport.txt +++ b/Documentation/parport.txt @@ -132,6 +132,8 @@ The ``/proc/sys/dev/parport`` directory tree looks like:: |-- modes `-- spintime +.. tabularcolumns:: |p{4.0cm}|p{13.5cm}| + ======================= ======================================================= File Contents ======================= ======================================================= @@ -154,17 +156,26 @@ File Contents ``modes`` Parallel port's hardware modes, comma-separated, meaning: - =============== ======================================= - PCSPP PC-style SPP registers are available. - TRISTATE Port is bidirectional. - COMPAT Hardware acceleration for printers is - available and will be used. - EPP Hardware acceleration for EPP protocol - is available and will be used. - ECP Hardware acceleration for ECP protocol - is available and will be used. - DMA DMA is available and will be used. - =============== ======================================= + - PCSPP + PC-style SPP registers are available. + + - TRISTATE + Port is bidirectional. + + - COMPAT + Hardware acceleration for printers is + available and will be used. + + - EPP + Hardware acceleration for EPP protocol + is available and will be used. + + - ECP + Hardware acceleration for ECP protocol + is available and will be used. + + - DMA + DMA is available and will be used. Note that the current implementation will only take advantage of COMPAT and ECP modes if it has an IRQ |
