From 9d8b5e7b28179784e2c6250086a44021fbb9c5a0 Mon Sep 17 00:00:00 2001 From: Bob Moore Date: Tue, 6 Jul 2010 09:58:11 +0800 Subject: ACPICA: Add support for WDDT - Watchdog Descriptor Table Header file support. Signed-off-by: Bob Moore Signed-off-by: Lin Ming Signed-off-by: Len Brown --- include/acpi/actbl2.h | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) (limited to 'include/acpi') diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 0a600b8e53f..d4136b28011 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -77,6 +77,7 @@ #define ACPI_SIG_UEFI "UEFI" /* Uefi Boot Optimization Table */ #define ACPI_SIG_WAET "WAET" /* Windows ACPI Emulated devices Table */ #define ACPI_SIG_WDAT "WDAT" /* Watchdog Action Table */ +#define ACPI_SIG_WDDT "WDDT" /* Watchdog Timer Description Table */ #define ACPI_SIG_WDRT "WDRT" /* Watchdog Resource Table */ #ifdef ACPI_UNDEFINED_TABLES @@ -916,6 +917,44 @@ enum acpi_wdat_instructions { ACPI_WDAT_PRESERVE_REGISTER = 0x80 /* Except for this value */ }; +/******************************************************************************* + * + * WDDT - Watchdog Descriptor Table + * Version 1 + * + * Conforms to "Using the Intel ICH Family Watchdog Timer (WDT)", + * Version 001, September 2002 + * + ******************************************************************************/ + +struct acpi_table_wddt { + struct acpi_table_header header; /* Common ACPI table header */ + u16 spec_version; + u16 table_version; + u16 pci_vendor_id; + struct acpi_generic_address address; + u16 max_count; /* Maximum counter value supported */ + u16 min_count; /* Minimum counter value supported */ + u16 period; + u16 status; + u16 capability; +}; + +/* Flags for Status field above */ + +#define ACPI_WDDT_AVAILABLE (1) +#define ACPI_WDDT_ACTIVE (1<<1) +#define ACPI_WDDT_TCO_OS_OWNED (1<<2) +#define ACPI_WDDT_USER_RESET (1<<11) +#define ACPI_WDDT_WDT_RESET (1<<12) +#define ACPI_WDDT_POWER_FAIL (1<<13) +#define ACPI_WDDT_UNKNOWN_RESET (1<<14) + +/* Flags for Capability field above */ + +#define ACPI_WDDT_AUTO_RESET (1) +#define ACPI_WDDT_ALERT_SUPPORT (1<<1) + /******************************************************************************* * * WDRT - Watchdog Resource Table -- cgit v1.2.3-18-g5258