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Driver need to provide details of VLP, AFC
AP type supported for the specific MCC to firmware.
Driver will read the UATS (UHB AP type support) table
from BIOS and sent to firmware using UATS_TABLE_CMD.
Add the support for the same in the driver.
Signed-off-by: Mukesh Sisodiya <mukesh.sisodiya@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231022173519.eb6cf7be17b2.I8977a660564412056d9fd383d57b236cd4b22d00@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When PNVM is obtained from UEFI, there's an additional memory
descriptor TLV that has to be handled. It is the same TLV that
holds data in the reduced power tables. Also, in this TLV, the
actual data is located after address and size, so add the
corresponding offset.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230606103519.8c5f5ee8e30b.Id1893c9dec140b5ba4abe8a121c2e1a1d121d2d7@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Use efi.get_variable() with NULL pointer for data in order to
obtain entry size and then call it again with the correct size
to get the entry itself.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230606103519.ef95a8055a50.Iae5389baaf0a9a3c89469f7502275ee119d378b6@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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It enables to better handle error cases. Also save the image till the
end of the loading and only then free it.
Signed-off-by: Alon Giladi <alon.giladi@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230606103519.71e3b3e0e794.Ifbe69ad99a7e805eb70e09280365821eb146b1c9@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Generalize the parsing, loading, and setting of the power-reduce
tables, in order to support allocation of several DRAM payloads
in the future.
Signed-off-by: Alon Giladi <alon.giladi@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20230606103519.564f1eead99b.Iaba653b21dc09aafc72b9bbb3928abddce0db50a@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Read the STEP equalizer parameters from the BIOS during init
and transfer it to the firmware.
This table provides values to configure an equalizer at the transmitter
that can be used to compensate for PCB channel attenuation.
Signed-off-by: Ayala Barazani <ayala.barazani@intel.com>
Link: https://lore.kernel.org/r/20230127002430.f25f871c5e17.I8390ab916c8f681229433ebc576ed37a594c6d30@changeid
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
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Support reading the SAR Geographic Offset Mapping (SGOM) table from UEFI
to allow OEMs to override the values according to geographical regions.
Signed-off-by: Ayala Barazani <ayala.barazani@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211204174546.e6dfd8b5dd40.Ibc9a8fe2bfde345f49df5d57ec56663da6a53dc4@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We still don't use #pragma once in the kernel, but even if
we did it'd be missing. Add the missing include guards.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fixes: 84c3c9952afb ("iwlwifi: move UEFI code to a separate file")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20211024181719.7fc9988ed49b.I87e300fab664047581e51fb9b02744c75320d08c@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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This new feature allows OEMs to set a special reduced power table in a
UEFI variable, which we use to tell the firmware to change the TX
power tables.
Read the variable and store it in a dram block to pass it to the
firmware. We do this as part of the PNVM loading flow.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.259a33ba5074.I2e0bb142d2a9c412547cba89b62dd077b328fdc4@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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We are going to read more variables from UEFI, so it's cleaner to have
all the code that handles UEFI variables in a separate file.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Link: https://lore.kernel.org/r/iwlwifi.20210621103449.c705ac86f2e9.Ia7421c17fe52929e4098b4f0cf070809ed3ef906@changeid
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
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