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-rw-r--r--include/acpi/amlcode.h12
1 files changed, 7 insertions, 5 deletions
diff --git a/include/acpi/amlcode.h b/include/acpi/amlcode.h
index 2ec538eac58e..55e97ed29190 100644
--- a/include/acpi/amlcode.h
+++ b/include/acpi/amlcode.h
@@ -146,8 +146,7 @@
/* prefixed opcodes */
-#define AML_EXTOP (u16) 0x005b
-
+#define AML_EXTOP (u16) 0x005b /* prefix for 2-byte opcodes */
#define AML_MUTEX_OP (u16) 0x5b01
#define AML_EVENT_OP (u16) 0x5b02
@@ -194,7 +193,6 @@
* Use only "Unknown" AML opcodes, don't attempt to use
* any valid ACPI ASCII values (A-Z, 0-9, '-')
*/
-
#define AML_INT_NAMEPATH_OP (u16) 0x002d
#define AML_INT_NAMEDFIELD_OP (u16) 0x0030
#define AML_INT_RESERVEDFIELD_OP (u16) 0x0031
@@ -214,7 +212,6 @@
* There can be up to 31 unique argument types
* Zero is reserved as end-of-list indicator
*/
-
#define ARGP_BYTEDATA 0x01
#define ARGP_BYTELIST 0x02
#define ARGP_CHARLIST 0x03
@@ -295,7 +292,6 @@
/*
* opcode groups and types
*/
-
#define OPGRP_NAMED 0x01
#define OPGRP_FIELD 0x02
#define OPGRP_BYTELIST 0x04
@@ -381,6 +377,12 @@
#define AML_TYPE_UNDEFINED 0x19
#define AML_TYPE_BOGUS 0x1A
+/* AML Package Length encodings */
+
+#define ACPI_AML_PACKAGE_TYPE1 0x40
+#define ACPI_AML_PACKAGE_TYPE2 0x4000
+#define ACPI_AML_PACKAGE_TYPE3 0x400000
+#define ACPI_AML_PACKAGE_TYPE4 0x40000000
/*
* Opcode classes
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