ec/google/wilco: Add S0ix support handlers
1) In the EC _REG method set the flag indicating S0ix support in the OS. 2) Add a function that can be called by the LPI _DSM method to indicate to the EC that the OS is entering or exiting S0ix. BUG=b:73137291 Change-Id: Iddc33a08542a6657694c47a9fda1b02dd39d89f7 Signed-off-by: Duncan Laurie <dlaurie@google.com> Reviewed-on: https://review.coreboot.org/c/31094 Reviewed-by: Lijian Zhao <lijian.zhao@intel.com> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Shaunak Saha <shaunak.saha@intel.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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@ -47,6 +47,9 @@ Device (EC0)
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/* Indicate to EC that OS is ready for queries */
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/* Indicate to EC that OS is ready for queries */
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W (ERDY, Arg1)
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W (ERDY, Arg1)
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/* Indicate that the OS supports S0ix */
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W (CSOS, One)
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/* Tell EC to stop emulating PS/2 mouse */
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/* Tell EC to stop emulating PS/2 mouse */
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W (PS2M, Zero)
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W (PS2M, Zero)
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@ -140,6 +143,20 @@ Device (EC0)
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Return (ECRW (Arg0, Arg1))
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Return (ECRW (Arg0, Arg1))
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}
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}
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/*
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* Tell EC that the OS is entering or exiting S0ix
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*/
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Method (S0IX, 1, Serialized)
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{
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If (Arg0) {
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Printf ("EC Enter S0ix")
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W (CSEX, One)
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} Else {
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Printf ("EC Exit S0ix")
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W (CSEX, Zero)
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}
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}
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#include "ec_dev.asl"
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#include "ec_dev.asl"
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#include "ec_ram.asl"
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#include "ec_ram.asl"
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#include "ac.asl"
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#include "ac.asl"
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@ -142,3 +142,5 @@ Name (DWTL, Package () { 0x35, 0xff, WR }) /* DPTF: Write Trip Low */
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Name (DWTH, Package () { 0x36, 0xff, WR }) /* DPTF: Write Trip High */
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Name (DWTH, Package () { 0x36, 0xff, WR }) /* DPTF: Write Trip High */
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Name (DWHY, Package () { 0x37, 0xff, WR }) /* DPTF: Write Hysteresis */
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Name (DWHY, Package () { 0x37, 0xff, WR }) /* DPTF: Write Hysteresis */
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Name (DWTQ, Package () { 0x38, 0xff, WR }) /* DPTF: Write Trip Query */
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Name (DWTQ, Package () { 0x38, 0xff, WR }) /* DPTF: Write Trip Query */
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Name (CSOS, Package () { 0xb8, 0xff, WR }) /* OS support for S0ix */
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Name (CSEX, Package () { 0xb9, 0xff, WR }) /* OS enter(1)/exit(0) S0ix */
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