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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl')
-rw-r--r--roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl77
1 files changed, 77 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl b/roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl
new file mode 100644
index 000000000..cc3b7a769
--- /dev/null
+++ b/roms/u-boot/arch/x86/include/asm/arch-apollolake/acpi/pch_hda.asl
@@ -0,0 +1,77 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2016 Intel Corporation.
+ * Copyright (C) 2016 Google Inc.
+ *
+ */
+
+/* Audio Controller - Device 14, Function 0 */
+
+Device (HDAS)
+{
+ Name (_ADR, 0x000E0000)
+ Name (_DDN, "Audio Controller")
+ Name (UUID, ToUUID("A69F886E-6CEB-4594-A41F-7B5DCE24C553"))
+
+ /* Device is D3 wake capable */
+ Name (_S0W, 3)
+
+ /* NHLT Table Address populated from GNVS values */
+ Name (NBUF, ResourceTemplate() {
+ QWordMemory (ResourceConsumer, PosDecode, MinFixed,
+ MaxFixed, Cacheable, ReadOnly,
+ 0, 0, 0, 0, 1,,, NHLT, AddressRangeACPI)
+ }
+ )
+
+ /* can wake up from S3 state */
+ Name (_PRW, Package() { GPE0A_AVS_PME_STS, 3 })
+
+ /*
+ * Device Specific Method
+ * Arg0 - UUID
+ * Arg1 - Revision
+ * Arg2 - Function Index
+ */
+ Method (_DSM, 4) {
+ If (LEqual (Arg0, ^UUID)) {
+ /*
+ * Function 0: Function Support Query
+ * Returns a bitmask of functions supported.
+ */
+ If (LEqual (Arg2, Zero)) {
+ /*
+ * NHLT Query only supported for revision 1 and
+ * if NHLT address and length are set in NVS.
+ */
+ If (LAnd (LEqual (Arg1, One),
+ LAnd (LNotEqual (NHLA, Zero),
+ LNotEqual (NHLL, Zero)))) {
+ Return (Buffer (One) { 0x03 })
+ }
+ Else {
+ Return (Buffer (One) { 0x01 })
+ }
+ }
+
+ /*
+ * Function 1: Query NHLT memory address used by
+ * Intel Offload Engine Driver to discover any non-HDA
+ * devices that are supported by the DSP.
+ *
+ * Returns a pointer to NHLT table in memory.
+ */
+ If (LEqual (Arg2, One)) {
+ CreateQWordField (NBUF, ^NHLT._MIN, NBAS)
+ CreateQWordField (NBUF, ^NHLT._MAX, NMAS)
+ CreateQWordField (NBUF, ^NHLT._LEN, NLEN)
+ Store (NHLA, NBAS)
+ Store (NHLA, NMAS)
+ Store (NHLL, NLEN)
+ Return (NBUF)
+ }
+ }
+
+ Return (Buffer (One) { 0x00 })
+ }
+}