diff options
| author | Tan, Lean Sheng <lean.sheng.tan@intel.com> | 2020-08-26 01:33:04 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-09-08 05:29:52 +0000 |
| commit | 70a2ddc5ac6c8f7d49b9bc2075373772286faf7b (patch) | |
| tree | 56d7d5079c0ba01ac31b418a2850dd9d8c6a4cf2 /src/soc/intel/elkhartlake/acpi/pch_hda.asl | |
| parent | 05dfe3177dc728995e93ef6f9d1aa549bcbaa032 (diff) | |
soc/intel/elkhartlake/acpi: Copy acpi directory from jasperlake
Clone entirely from Jasperlake
List of changes on top off initial jasperlake clone
1. Rename from jasperlake to elkhartlake
2. Remove irelevant devices asls (ipu,ish,camera clock,gpio_op)
Signed-off-by: Tan, Lean Sheng <lean.sheng.tan@intel.com>
Change-Id: I5e77081d1673cc0ca97edc63e9996c045ab6e9b0
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44812
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/elkhartlake/acpi/pch_hda.asl')
| -rw-r--r-- | src/soc/intel/elkhartlake/acpi/pch_hda.asl | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/soc/intel/elkhartlake/acpi/pch_hda.asl b/src/soc/intel/elkhartlake/acpi/pch_hda.asl new file mode 100644 index 0000000000..340c76528d --- /dev/null +++ b/src/soc/intel/elkhartlake/acpi/pch_hda.asl @@ -0,0 +1,68 @@ +/* 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 == Zero) { + /* + * NHLT Query only supported for revision 1 and + * if NHLT address and length are set in NVS. + */ + If ((Arg1 == One) && ((NHLA != Zero) && (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 (Arg2 == One) { + 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 (One) { 0x00 }) + } +} |