diff options
Diffstat (limited to 'src/mainboard/google/brya')
| -rw-r--r-- | src/mainboard/google/brya/acpi/gpu_defines.h | 12 | ||||
| -rw-r--r-- | src/mainboard/google/brya/acpi/gpu_ec.asl | 13 | ||||
| -rw-r--r-- | src/mainboard/google/brya/acpi/gpu_top.asl | 27 |
3 files changed, 52 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/acpi/gpu_defines.h b/src/mainboard/google/brya/acpi/gpu_defines.h index ec17a1c452..1cb03145b0 100644 --- a/src/mainboard/google/brya/acpi/gpu_defines.h +++ b/src/mainboard/google/brya/acpi/gpu_defines.h @@ -46,3 +46,15 @@ #define REVISION_MIN_NBCI 0x102 #define REVISION_MIN_NVPCF 0x200 #define REVISION_MIN_GPS 0x200 + +#define D1_EC 0 +#define D2_EC 1 +#define D3_EC 2 +#define D4_EC 3 +#define D5_EC 4 + +#define D1_GPU 0xD1 +#define D2_GPU 0xD2 +#define D3_GPU 0xD3 +#define D4_GPU 0xD4 +#define D5_GPU 0xD5 diff --git a/src/mainboard/google/brya/acpi/gpu_ec.asl b/src/mainboard/google/brya/acpi/gpu_ec.asl new file mode 100644 index 0000000000..998d9c0e6a --- /dev/null +++ b/src/mainboard/google/brya/acpi/gpu_ec.asl @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#define EC_D_NOTIFY_MASK 0x7 + +Scope (\_SB.PCI0.LPCB.EC0) +{ + /* EC has data for GPU in memmap */ + Method (_Q0C, 0, Serialized) + { + Local0 = ToInteger(GPUD) & EC_D_NOTIFY_MASK + \_SB.PCI0.PEG0.PEGP.DNOT (Local0) + } +} diff --git a/src/mainboard/google/brya/acpi/gpu_top.asl b/src/mainboard/google/brya/acpi/gpu_top.asl index f3b348aba8..c98358ff8d 100644 --- a/src/mainboard/google/brya/acpi/gpu_top.asl +++ b/src/mainboard/google/brya/acpi/gpu_top.asl @@ -25,6 +25,33 @@ Scope (\_SB.PCI0.PEG0) #include "nbci.asl" #include "nvpcf.asl" #include "gps.asl" + #include "gpu_ec.asl" + + /* Convert D Notify from EC to GPU */ + Method (CNVD, 1, NotSerialized) + { + Switch (ToInteger(Arg0)) { + Case (D1_EC) { Return (D1_GPU) } + Case (D2_EC) { Return (D2_GPU) } + Case (D3_EC) { Return (D3_GPU) } + Case (D4_EC) { Return (D4_GPU) } + Case (D5_EC) { Return (D5_GPU) } + Default { Return (D5_GPU) } + } + } + + /* Current D Notify Value, defaults to D1 */ + Name (CDNV, D1_EC) + Method (DNOT, 1, Serialized) + { + Printf ("EC: GPU D-Notify, %o", Arg0) + If (Arg0 != CDNV) + { + CDNV = Arg0 + Local0 = CNVD (Arg0) + Notify (\_SB.PCI0.PEG0.PEGP, Local0) + } + } Method (_DSM, 4, Serialized) { |