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-rw-r--r--src/soc/intel/icelake/acpi/pch_hda.asl68
1 files changed, 0 insertions, 68 deletions
diff --git a/src/soc/intel/icelake/acpi/pch_hda.asl b/src/soc/intel/icelake/acpi/pch_hda.asl
deleted file mode 100644
index 4941f6a137a9..000000000000
--- a/src/soc/intel/icelake/acpi/pch_hda.asl
+++ /dev/null
@@ -1,68 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-
-/* Audio Controller - Device 31, Function 3 */
-
-Device (HDAS)
-{
- Name (_ADR, 0x001f0003)
- 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, NonCacheable, ReadOnly,
- 0, 0, 0, 0, 1,,, NHLT, AddressRangeACPI)
- })
-
- /*
- * Device Specific Method
- * Arg0 - UUID
- * Arg1 - Revision
- * Arg2 - Function Index
- */
- Method (_DSM, 4)
- {
- If (Arg0 == ^UUID) {
- /*
- * Function 0: Function Support Query
- * Returns a bitmask of functions supported.
- */
- If (Arg2 == 0) {
- /*
- * NHLT Query only supported for revision 1 and
- * if NHLT address and length are set in NVS.
- */
- If (Arg1 == 1 && NHLA != 0 && NHLL != 0) {
- Return (Buffer (1) { 0x03 })
- } Else {
- Return (Buffer (1) { 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 (Arg2 == 1) {
- CreateQWordField (NBUF, ^NHLT._MIN, NBAS)
- CreateQWordField (NBUF, ^NHLT._MAX, NMAS)
- CreateQWordField (NBUF, ^NHLT._LEN, NLEN)
-
- NBAS = NHLA
- NMAS = NHLA
- NLEN = NHLL
-
- Return (NBUF)
- }
- }
-
- Return (Buffer (1) { 0x00 })
- }
-}