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| author | Michael Brown | 2006-12-04 16:36:51 +0100 |
|---|---|---|
| committer | Michael Brown | 2006-12-04 16:36:51 +0100 |
| commit | 931f94dca30b04f8303acdcfd08436e61a491a92 (patch) | |
| tree | b478b672436d696ce8d0a4d91c804d29a65db6a9 /src/include/gpxe/bitbash.h | |
| parent | Force syntax-checking on assertions even in non-asserting builds. (diff) | |
| download | ipxe-931f94dca30b04f8303acdcfd08436e61a491a92.tar.gz ipxe-931f94dca30b04f8303acdcfd08436e61a491a92.tar.xz ipxe-931f94dca30b04f8303acdcfd08436e61a491a92.zip | |
Generalised the SPI abstraction layer to also be able to handle interfaces
that don't provide the full flexibility of a bit-bashing interface.
Temporarily hacked rtl8139.c to use the new interface.
Diffstat (limited to 'src/include/gpxe/bitbash.h')
| -rw-r--r-- | src/include/gpxe/bitbash.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/include/gpxe/bitbash.h b/src/include/gpxe/bitbash.h index f479b5ad0..62bdce004 100644 --- a/src/include/gpxe/bitbash.h +++ b/src/include/gpxe/bitbash.h @@ -7,8 +7,10 @@ * */ -/** A bit-bashing interface */ -struct bit_basher { +struct bit_basher; + +/** Bit-bashing operations */ +struct bit_basher_operations { /** * Set/clear output bit * @@ -35,6 +37,12 @@ struct bit_basher { int ( * read ) ( struct bit_basher *basher, unsigned int bit_id ); }; +/** A bit-bashing interface */ +struct bit_basher { + /** Bit-bashing operations */ + struct bit_basher_operations *op; +}; + extern void write_bit ( struct bit_basher *basher, unsigned int bit_id, unsigned long data ); extern int read_bit ( struct bit_basher *basher, unsigned int bit_id ); |