7b8ac0030c
Change-Id: I3dfd7dd1de3bd27c35c195bd43c4a5b8c5a2dc53 Signed-off-by: Felix Singer <felixsinger@posteo.net> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71522 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Reviewed-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-by: Subrata Banik <subratabanik@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
42 lines
1.1 KiB
Plaintext
42 lines
1.1 KiB
Plaintext
/* SPDX-License-Identifier: GPL-2.0-only */
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External(\_SB.DDEF, MethodObj)
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External(\_SB.DTHL, MethodObj)
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External(\_SB.DTAB, MethodObj)
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Scope (\_SB)
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{
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Method (DPTC, 0, Serialized)
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{
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/* If _SB.DDEF is not present, DPTC is not enabled so return early. */
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If (!CondRefOf (\_SB.DDEF))
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{
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Return (Zero)
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}
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/* If _SB.DTHL is not present, then DPTC Tablet Mode is not enabled.
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* Throttle the SOC if the battery is not present (BTEX), the battery level is critical
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* (BFCR), or the battery is cutoff (BFCT). */
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If (CondRefOf (\_SB.DTHL) &&
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(!\_SB.PCI0.LPCB.EC0.BTEX || \_SB.PCI0.LPCB.EC0.BFCR || \_SB.PCI0.LPCB.EC0.BFCT))
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{
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\_SB.DTHL()
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Return (Zero)
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}
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/* If _SB.DTAB is not present, then DPTC Tablet Mode is not enabled. */
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If (CondRefOf (\_SB.DTAB) && (\_SB.PCI0.LPCB.EC0.TBMD == 1))
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{
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\_SB.DTAB()
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Return (Zero)
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}
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#if CONFIG(FEATURE_DYNAMIC_DPTC)
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\_SB.DTTS()
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#else
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\_SB.DDEF()
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#endif
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Return (Zero)
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}
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}
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