From 091a8c61d384cf56affee3d7d89bde0dcc0057fe Mon Sep 17 00:00:00 2001
From: Erwan Velu <erwan.velu@free.fr>
Date: Thu, 3 Dec 2009 11:10:38 +0100
Subject: acpi: Adding ecdt

Impact: Addding ecdt

Adding ecdt
---
 com32/gplinclude/acpi/acpi.h    |  5 +++--
 com32/gplinclude/acpi/ecdt.h    | 38 ++++++++++++++++++++++++++++++++++++++
 com32/gplinclude/acpi/madt.h    |  2 +-
 com32/gplinclude/acpi/structs.h | 12 ++++++++++++
 4 files changed, 54 insertions(+), 3 deletions(-)
 create mode 100644 com32/gplinclude/acpi/ecdt.h

(limited to 'com32/gplinclude/acpi')

diff --git a/com32/gplinclude/acpi/acpi.h b/com32/gplinclude/acpi/acpi.h
index 5ded2204..0ce43f54 100644
--- a/com32/gplinclude/acpi/acpi.h
+++ b/com32/gplinclude/acpi/acpi.h
@@ -23,13 +23,13 @@
 #include <acpi/dsdt.h>
 #include <acpi/ssdt.h>
 #include <acpi/sbst.h>
+#include <acpi/ecdt.h>
 
 enum { ACPI_FOUND, ENO_ACPI, MADT_FOUND, ENO_MADT };
 
 #define MAX_SSDT 128
 
 /* Some other description HEADERS : ACPI doc: 5.2.6*/
-#define ECDT "ECDT"
 #define FACS "FACS"
 #define OEMX "OEMx"
 #define SRAR "SRAT"
@@ -66,8 +66,9 @@ typedef struct {
     s_madt madt;
     s_dsdt dsdt;
     s_ssdt *ssdt[MAX_SSDT];
-    s_sbst sbst;
     uint8_t ssdt_count;
+    s_sbst sbst;
+    s_ecdt ecdt;
 } s_acpi;
 
 int parse_acpi(s_acpi * acpi);
diff --git a/com32/gplinclude/acpi/ecdt.h b/com32/gplinclude/acpi/ecdt.h
new file mode 100644
index 00000000..0f8f3ca4
--- /dev/null
+++ b/com32/gplinclude/acpi/ecdt.h
@@ -0,0 +1,38 @@
+/* ----------------------------------------------------------------------- *
+ *
+ *   Copyright 2009 Erwan Velu - All Rights Reserved
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
+ *   Boston MA 02111-1307, USA; either version 2 of the License, or
+ *   (at your option) any later version; incorporated herein by reference.
+ *
+ * ----------------------------------------------------------------------- */
+
+#ifndef ECDT_H
+#define ECDT_H
+#include <inttypes.h>
+#include <stdbool.h>
+
+#define ECDT "ECDT"
+
+/* Offset of the EC_ID in the structure */
+#define EC_ID_OFFSET 65
+
+typedef struct {
+    uint64_t address;
+    s_acpi_description_header header;
+    bool valid;
+    uint32_t warning_energy_level;
+    uint32_t low_energy_level;
+    uint32_t critical_energy_level;
+    s_gas ec_control;
+    s_gas ec_data;
+    uint32_t uid;
+    uint8_t gpe_bit;
+    char *ec_id;
+} s_ecdt;
+
+void parse_ecdt(s_ecdt * ecdt);
+#endif
diff --git a/com32/gplinclude/acpi/madt.h b/com32/gplinclude/acpi/madt.h
index c79d99b4..8627edd5 100644
--- a/com32/gplinclude/acpi/madt.h
+++ b/com32/gplinclude/acpi/madt.h
@@ -37,7 +37,7 @@ typedef struct {
     uint8_t acpi_id;
     uint8_t apic_id;
     uint32_t flags;
-} s_processor_local_apic;
+} __attribute__ ((packed)) s_processor_local_apic;
 
 typedef struct {
     uint64_t address;
diff --git a/com32/gplinclude/acpi/structs.h b/com32/gplinclude/acpi/structs.h
index b5e17728..98381709 100644
--- a/com32/gplinclude/acpi/structs.h
+++ b/com32/gplinclude/acpi/structs.h
@@ -20,6 +20,18 @@
  * */
 #define ACPI_HEADER_SIZE 36
 
+enum { GAS_SYSTEM_MEMORY=0, GAS_SYSTEM_IO=1 };
+
+/* Generic Address Structure (GAS) Format */
+typedef struct {
+    /* address_space_id could be {GAS_SYSTEM_MEMORY | GAS_SYSTEM_IO} */
+    uint8_t address_space_id;
+    uint8_t register_bit_width;
+    uint8_t register_bit_offset;
+    uint8_t reserved;
+    uint64_t address;
+} __attribute__ ((packed)) s_gas;
+
 typedef struct {
     uint8_t signature[4 + 1];
     uint32_t length;
-- 
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