ec/google/wilco/acpi: Read message when notifying UCSI
Allows the EC to be properly notified of type-c events like charger wattage too low (eg), TEST=build/boot Win11, Linux 6.x on google/drallion Change-Id: I7a4130cf6f8c24e3f91e327adf1f3e563322c0af Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/77282 Reviewed-by: Subrata Banik <subratabanik@google.com> Reviewed-by: CoolStar <coolstarorganization@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -141,6 +141,9 @@ Method (_Q79, 0, Serialized)
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{
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If (ISSX == 0) {
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Printf ("EC _Q79 UCSI Event")
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\_SB.UCSI.RMSG()
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Notify (\_SB.UCSI, 0x80)
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^UCEP = 0
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} Else {
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@ -125,31 +125,36 @@ Scope (\_SB)
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Case (2)
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{
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/* Read Message In */
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^MGI0 = R (^^UMI0)
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^MGI1 = R (^^UMI1)
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^MGI2 = R (^^UMI2)
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^MGI3 = R (^^UMI3)
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^MGI4 = R (^^UMI4)
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^MGI5 = R (^^UMI5)
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^MGI6 = R (^^UMI6)
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^MGI7 = R (^^UMI7)
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^MGI8 = R (^^UMI8)
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^MGI9 = R (^^UMI9)
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^MGIA = R (^^UMIA)
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^MGIB = R (^^UMIB)
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^MGIC = R (^^UMIC)
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^MGID = R (^^UMID)
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^MGIE = R (^^UMIE)
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^MGIF = R (^^UMIF)
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/* Read Status */
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^CCI0 = R (^^UCI0)
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^CCI1 = R (^^UCI1)
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^CCI2 = R (^^UCI2)
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^CCI3 = R (^^UCI3)
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RMSG()
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}
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}
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Return (Buffer (1) { 0 })
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}
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Method (RMSG, 0, Serialized){
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/* Read Message In */
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^MGI0 = R (^^UMI0)
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^MGI1 = R (^^UMI1)
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^MGI2 = R (^^UMI2)
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^MGI3 = R (^^UMI3)
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^MGI4 = R (^^UMI4)
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^MGI5 = R (^^UMI5)
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^MGI6 = R (^^UMI6)
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^MGI7 = R (^^UMI7)
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^MGI8 = R (^^UMI8)
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^MGI9 = R (^^UMI9)
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^MGIA = R (^^UMIA)
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^MGIB = R (^^UMIB)
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^MGIC = R (^^UMIC)
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^MGID = R (^^UMID)
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^MGIE = R (^^UMIE)
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^MGIF = R (^^UMIF)
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/* Read Status */
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^CCI0 = R (^^UCI0)
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^CCI1 = R (^^UCI1)
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^CCI2 = R (^^UCI2)
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^CCI3 = R (^^UCI3)
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}
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}
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}
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