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authorLin Ming <ming.m.lin@intel.com>2011-11-16 11:08:30 +0800
committerLen Brown <len.brown@intel.com>2012-01-17 03:36:28 -0500
commitffef68273b6278e98a99dd4051671d4854b20fe0 (patch)
treeb1a5c251a01743c8e35435bc5817d4a3bd20b800 /include
parentc5bd6537329e66a8b36234f19a36d94b72d07394 (diff)
downloadlinaro-lsk-ffef68273b6278e98a99dd4051671d4854b20fe0.tar.gz
ACPI 5.0: New interfaces to allow driver access to AML mutex objects
Adds acpi_acquire_mutex, acpi_release_mutex external interfaces. New file, utxfmutex.c. Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'include')
-rw-r--r--include/acpi/acpixf.h15
1 files changed, 13 insertions, 2 deletions
diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h
index 9ba2e3aff5c..dd86610039b 100644
--- a/include/acpi/acpixf.h
+++ b/include/acpi/acpixf.h
@@ -277,12 +277,23 @@ acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
/*
- * Event interfaces
+ * Global Lock interfaces
*/
acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
acpi_status acpi_release_global_lock(u32 handle);
+/*
+ * Interfaces to AML mutex objects
+ */
+acpi_status
+acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
+
+acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
+
+/*
+ * Fixed Event interfaces
+ */
acpi_status acpi_enable_event(u32 event, u32 flags);
acpi_status acpi_disable_event(u32 event, u32 flags);
@@ -292,7 +303,7 @@ acpi_status acpi_clear_event(u32 event);
acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
/*
- * GPE Interfaces
+ * General Purpose Event (GPE) Interfaces
*/
acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);