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Date: Sat, 6 Oct 2012 16:09:30 -0400
From: Len Brown <lenb@...nel.org>
To: linux-acpi@...r.kernel.org, linux-pm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, Bob Moore <robert.moore@...el.com>,
Feng Tang <feng.tang@...el.com>,
Len Brown <len.brown@...el.com>
Subject: [PATCH 09/49] ACPICA: Headers: Add support for CSRT and DBG2 ACPI tables.
From: Bob Moore <robert.moore@...el.com>
These tables are defined outside of the ACPI specification.
Signed-off-by: Bob Moore <robert.moore@...el.com>
Signed-off-by: Feng Tang <feng.tang@...el.com>
Signed-off-by: Len Brown <len.brown@...el.com>
---
include/acpi/actbl2.h | 111 ++++++++++++++++++++++++++++++++++++++++++++++++++
include/acpi/actbl3.h | 1 -
2 files changed, 111 insertions(+), 1 deletion(-)
diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h
index d9ceb3d..b74476c 100644
--- a/include/acpi/actbl2.h
+++ b/include/acpi/actbl2.h
@@ -63,6 +63,8 @@
*/
#define ACPI_SIG_ASF "ASF!" /* Alert Standard Format table */
#define ACPI_SIG_BOOT "BOOT" /* Simple Boot Flag Table */
+#define ACPI_SIG_CSRT "CSRT" /* Core System Resource Table */
+#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table type 2 */
#define ACPI_SIG_DBGP "DBGP" /* Debug Port table */
#define ACPI_SIG_DMAR "DMAR" /* DMA Remapping table */
#define ACPI_SIG_HPET "HPET" /* High Precision Event Timer table */
@@ -232,6 +234,115 @@ struct acpi_table_boot {
/*******************************************************************************
*
+ * CSRT - Core System Resource Table
+ * Version 0
+ *
+ * Conforms to the "Core System Resource Table (CSRT)", November 14, 2011
+ *
+ ******************************************************************************/
+
+struct acpi_table_csrt {
+ struct acpi_table_header header; /* Common ACPI table header */
+};
+
+/* Resource Group subtable */
+
+struct acpi_csrt_group {
+ u32 length;
+ u32 vendor_id;
+ u32 subvendor_id;
+ u16 device_id;
+ u16 subdevice_id;
+ u16 revision;
+ u16 reserved;
+ u32 info_length;
+
+ /* Shared data (length = info_length) immediately follows */
+};
+
+/* Resource Descriptor subtable */
+
+struct acpi_csrt_descriptor {
+ u32 length;
+ u16 type;
+ u16 subtype;
+ u32 uid;
+
+ /* Resource-specific information immediately follows */
+};
+
+/* Resource Types */
+
+#define ACPI_CSRT_TYPE_INTERRUPT 0x0001
+#define ACPI_CSRT_TYPE_TIMER 0x0002
+#define ACPI_CSRT_TYPE_DMA 0x0003
+
+/* Resource Subtypes */
+
+#define ACPI_CSRT_XRUPT_LINE 0x0000
+#define ACPI_CSRT_XRUPT_CONTROLLER 0x0001
+#define ACPI_CSRT_TIMER 0x0000
+#define ACPI_CSRT_DMA_CHANNEL 0x0000
+#define ACPI_CSRT_DMA_CONTROLLER 0x0001
+
+/*******************************************************************************
+ *
+ * DBG2 - Debug Port Table 2
+ * Version 0 (Both main table and subtables)
+ *
+ * Conforms to "Microsoft Debug Port Table 2 (DBG2)", May 22 2012.
+ *
+ ******************************************************************************/
+
+struct acpi_table_dbg2 {
+ struct acpi_table_header header; /* Common ACPI table header */
+ u32 info_offset;
+ u32 info_count;
+};
+
+/* Debug Device Information Subtable */
+
+struct acpi_dbg2_device {
+ u8 revision;
+ u16 length;
+ u8 register_count; /* Number of base_address registers */
+ u16 namepath_length;
+ u16 namepath_offset;
+ u16 oem_data_length;
+ u16 oem_data_offset;
+ u16 port_type;
+ u16 port_subtype;
+ u16 reserved;
+ u16 base_address_offset;
+ u16 address_size_offset;
+ /*
+ * Data that follows:
+ * base_address (required) - Each in 12-byte Generic Address Structure format.
+ * address_size (required) - Array of u32 sizes corresponding to each base_address register.
+ * Namepath (required) - Null terminated string. Single dot if not supported.
+ * oem_data (optional) - Length is oem_data_length.
+ */
+};
+
+/* Types for port_type field above */
+
+#define ACPI_DBG2_SERIAL_PORT 0x8000
+#define ACPI_DBG2_1394_PORT 0x8001
+#define ACPI_DBG2_USB_PORT 0x8002
+#define ACPI_DBG2_NET_PORT 0x8003
+
+/* Subtypes for port_subtype field above */
+
+#define ACPI_DBG2_16550_COMPATIBLE 0x0000
+#define ACPI_DBG2_16550_SUBSET 0x0001
+
+#define ACPI_DBG2_1394_STANDARD 0x0000
+
+#define ACPI_DBG2_USB_XHCI 0x0000
+#define ACPI_DBG2_USB_EHCI 0x0001
+
+/*******************************************************************************
+ *
* DBGP - Debug Port table
* Version 1
*
diff --git a/include/acpi/actbl3.h b/include/acpi/actbl3.h
index f65a0ed..37781ab 100644
--- a/include/acpi/actbl3.h
+++ b/include/acpi/actbl3.h
@@ -75,7 +75,6 @@
/* Reserved table signatures */
#define ACPI_SIG_CSRT "CSRT" /* Core System Resources Table */
-#define ACPI_SIG_DBG2 "DBG2" /* Debug Port table 2 */
#define ACPI_SIG_MATR "MATR" /* Memory Address Translation Table */
#define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */
#define ACPI_SIG_WPBT "WPBT" /* Windows Platform Binary Table */
--
1.8.0.rc0.18.gf84667d
--
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