soc/intel/skylake: Add support for mode-aware DPTF

This change adds support for:
1. Handling thermal trip points change event handler based on device
mode.
2. Returning thermal trip point temperatures based on the device mode.

BUG=b:72554519

Change-Id: Ife48af76ceb7a39abd1fac8ef1f77db7e65ab43e
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/23462
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>

1 files changed, 75 insertions, 8 deletions

diff --git a/src/soc/intel/skylake/acpi/dptf/thermal.asl b/src/soc/intel/skylake/acpi/dptf/thermal.asl
index a94c2784fc..f1a3cef1fc 100644
--- a/src/soc/intel/skylake/acpi/dptf/thermal.asl
+++ b/src/soc/intel/skylake/acpi/dptf/thermal.asl
@@ -57,7 +57,50 @@ Method (TINI)
 #endif
 }
 
+/* Thermal Trip Points Change Event Handler */
+Method (TPET)
+{
 #ifdef DPTF_TSR0_SENSOR_ID
+	Notify (^TSR0, 0x81)
+#endif
+#ifdef DPTF_TSR1_SENSOR_ID
+	Notify (^TSR1, 0x81)
+#endif
+#ifdef DPTF_TSR2_SENSOR_ID
+	Notify (^TSR2, 0x81)
+#endif
+#ifdef DPTF_TSR3_SENSOR_ID
+	Notify (^TSR3, 0x81)
+#endif
+}
+
+/*
+ * Method to return trip temperature value depending upon the device mode.
+ * Arg0 --> Value to return when device is in tablet mode
+ * Arg1 --> Value to return when device is not in tablet mode.
+ */
+Method (DTRP, 2, Serialized)
+{
+#ifdef EC_ENABLE_TABLET_EVENT
+	If (LEqual (\_SB.PCI0.LPCB.EC0.RCTM, One)) {
+		Return (CTOK (Arg0))
+	} Else {
+#endif
+		Return (CTOK (Arg1))
+#ifdef EC_ENABLE_TABLET_EVENT
+	}
+#endif
+}
+
+#ifdef DPTF_TSR0_SENSOR_ID
+
+#ifndef DPTF_TSR0_TABLET_PASSIVE
+#define DPTF_TSR0_TABLET_PASSIVE DPTF_TSR0_PASSIVE
+#endif
+#ifndef DPTF_TSR0_TABLET_CRITICAL
+#define DPTF_TSR0_TABLET_CRITICAL DPTF_TSR0_CRITICAL
+#endif
+
 Device (TSR0)
 {
 	Name (_HID, EISAID ("INT3403"))
@@ -83,12 +126,12 @@ Device (TSR0)
 
 	Method (_PSV)
 	{
-		Return (CTOK (DPTF_TSR0_PASSIVE))
+		Return (DTRP (DPTF_TSR0_TABLET_PASSIVE, DPTF_TSR0_PASSIVE))
 	}
 
 	Method (_CRT)
 	{
-		Return (CTOK (DPTF_TSR0_CRITICAL))
+		Return (DTRP (DPTF_TSR0_TABLET_CRITICAL, DPTF_TSR0_CRITICAL))
 	}
 
 	Name (PATC, 2)
@@ -151,6 +194,14 @@ Device (TSR0)
 #endif
 
 #ifdef DPTF_TSR1_SENSOR_ID
+
+#ifndef DPTF_TSR1_TABLET_PASSIVE
+#define DPTF_TSR1_TABLET_PASSIVE DPTF_TSR1_PASSIVE
+#endif
+#ifndef DPTF_TSR1_TABLET_CRITICAL
+#define DPTF_TSR1_TABLET_CRITICAL DPTF_TSR1_CRITICAL
+#endif
+
 Device (TSR1)
 {
 	Name (_HID, EISAID ("INT3403"))
@@ -176,12 +227,12 @@ Device (TSR1)
 
 	Method (_PSV)
 	{
-		Return (CTOK (DPTF_TSR1_PASSIVE))
+		Return (DTRP (DPTF_TSR1_TABLET_PASSIVE, DPTF_TSR1_PASSIVE))
 	}
 
 	Method (_CRT)
 	{
-		Return (CTOK (DPTF_TSR1_CRITICAL))
+		Return (DTRP (DPTF_TSR1_TABLET_CRITICAL, DPTF_TSR1_CRITICAL))
 	}
 
 	Name (PATC, 2)
@@ -207,6 +258,14 @@ Device (TSR1)
 #endif
 
 #ifdef DPTF_TSR2_SENSOR_ID
+
+#ifndef DPTF_TSR2_TABLET_PASSIVE
+#define DPTF_TSR2_TABLET_PASSIVE DPTF_TSR2_PASSIVE
+#endif
+#ifndef DPTF_TSR2_TABLET_CRITICAL
+#define DPTF_TSR2_TABLET_CRITICAL DPTF_TSR2_CRITICAL
+#endif
+
 Device (TSR2)
 {
 	Name (_HID, EISAID ("INT3403"))
@@ -232,12 +291,12 @@ Device (TSR2)
 
 	Method (_PSV)
 	{
-		Return (CTOK (DPTF_TSR2_PASSIVE))
+		Return (DTRP (DPTF_TSR2_TABLET_PASSIVE, DPTF_TSR2_PASSIVE))
 	}
 
 	Method (_CRT)
 	{
-		Return (CTOK (DPTF_TSR2_CRITICAL))
+		Return (DTRP (DPTF_TSR2_TABLET_CRITICAL, DPTF_TSR2_CRITICAL))
 	}
 
 	Name (PATC, 2)
@@ -263,6 +322,14 @@ Device (TSR2)
 #endif
 
 #ifdef DPTF_TSR3_SENSOR_ID
+
+#ifndef DPTF_TSR3_TABLET_PASSIVE
+#define DPTF_TSR3_TABLET_PASSIVE DPTF_TSR3_PASSIVE
+#endif
+#ifndef DPTF_TSR3_TABLET_CRITICAL
+#define DPTF_TSR3_TABLET_CRITICAL DPTF_TSR3_CRITICAL
+#endif
+
 Device (TSR3)
 {
 	Name (_HID, EISAID ("INT3403"))
@@ -288,12 +355,12 @@ Device (TSR3)
 
 	Method (_PSV)
 	{
-		Return (CTOK (DPTF_TSR3_PASSIVE))
+		Return (DTRP (DPTF_TSR3_TABLET_PASSIVE, DPTF_TSR3_PASSIVE))
 	}
 
 	Method (_CRT)
 	{
-		Return (CTOK (DPTF_TSR3_CRITICAL))
+		Return (DTRP (DPTF_TSR3_TABLET_CRITICAL, DPTF_TSR3_CRITICAL))
 	}
 
 	Name (PATC, 2)