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5 Commits

Author SHA1 Message Date
Ayala Barazani
09b4c35d73 wifi: iwlwifi: mvm: Support STEP equalizer settings from BIOS. 
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>
 2023-01-30 13:00:19 +02:00
Ayala Barazani
c593d2fae5 iwlwifi: support SAR GEO Offset Mapping override via BIOS 
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>
 2021-12-07 20:06:47 +02:00
Johannes Berg
91000fdf82 iwlwifi: fw: uefi: add missing include guards 
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>
 2021-10-28 12:04:10 +03:00
Luca Coelho
9dad325f9d iwlwifi: support loading the reduced power table from UEFI 
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>
 2021-06-22 16:57:57 +03:00
Luca Coelho
84c3c9952a iwlwifi: move UEFI code to a separate file 
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>
 2021-06-22 16:57:57 +03:00