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soc/intel/alderlake: Add enum for HDA audio configuration

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This change adds an enum to configure the audio related UPDs used for
configuring the audio over HDMI/DP and rename a variable for better
readability.

TEST=On shadowmountain audio sound cards are detected and listed by the
Linux kernel. Audio playback and capture is working fine.

Change-Id: I2834d6f4ce1651a609c5563af375f6e365d931fa
Signed-off-by: Sugnan Prabhu S <sugnan.prabhu.s@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51658
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: EricR Lai <ericr_lai@compal.corp-partner.google.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Furquan Shaikh <furquan@google.com>
This commit is contained in:
Sugnan Prabhu S
2021-03-18 22:08:22 +05:30
committed by Tim Wawrzynczak
parent c1c1ba5582
commit 50f8b4ebdd
5 changed files with 26 additions and 22 deletions
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9
src/mainboard/intel/adlrvp/devicetree_m.cb
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@@ -121,12 +121,9 @@ chip soc/intel/alderlake
# HD Audio
register "PchHdaDspEnable" = "1"
# iDisp-Link T-Mode 0: 2T, 2: 4T, 3: 8T, 4: 16T
register "PchHdaIDispLinkTmode" = "3"
# iDisp-Link Freq 4: 96MHz, 3: 48MHz.
register "PchHdaIDispLinkFrequency" = "4"
# Not disconnected/enumerable
register "PchHdaIDispCodecDisconnect" = "0"
register "PchHdaIDispLinkTmode" = "HDA_TMODE_8T"
register "PchHdaIDispLinkFrequency" = "HDA_LINKFREQ_96MHZ"
register "PchHdaIDispCodecEnable" = "1"
# Intel Common SoC Config
register "common_soc_config" = "{