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Some IOSF SB units ogranize their registers in a pecualiar way. Even
though the registers are 32 bits wide, the register offsets only
increment by one when going from one register to the next. Correctly
deal with this when dumping several consecutive registers.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Add a command line option '-c <count>' that can be used to read set of
consecutive registers without having to specify the offset for each of
them.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Allow the user to specify a list of registers to read, and register/value
pairs to write.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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I want to add some command line options so switch to getopt() to make
that easier.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Replace the silly strcasecmp() if ladder with and array that maps the
unit names to port numbers. And keep the thing sorted so we can do
the lookup with bsearch() for extra speed :)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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The correct port is 0x12, not 0x13 which is actually GPIO_NC.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Add a bunc of symbolic sideband unit names so that you don't have to go
trawling through the sideband HAS every time you want to poke at
something with the tool. You can still specify the port manually though
if you know them by heart already.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Unlike the kernel IS_VALLEYVIEW() doesn't cover chv in igt. Add the
appropriate IS_CHERRYVIEW() checks to the various sideband poking tools.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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Add generic tools to poke at IOSF sideband. The user needs to
manually specify SB port as well as the register.
TODO: Maybe add symbolic names for the units? Would avoid having
to trawl the docs for the magic hex value.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
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