[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/sound/firewire/iso-resources.h b/src/kernel/linux/v4.14/sound/firewire/iso-resources.h
new file mode 100644
index 0000000..34f85e9
--- /dev/null
+++ b/src/kernel/linux/v4.14/sound/firewire/iso-resources.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef SOUND_FIREWIRE_ISO_RESOURCES_H_INCLUDED
+#define SOUND_FIREWIRE_ISO_RESOURCES_H_INCLUDED
+
+#include <linux/mutex.h>
+#include <linux/types.h>
+
+struct fw_unit;
+
+/**
+ * struct fw_iso_resources - manages channel/bandwidth allocation
+ * @channels_mask: if the device does not support all channel numbers, set this
+ * bit mask to something else than the default (all ones)
+ *
+ * This structure manages (de)allocation of isochronous resources (channel and
+ * bandwidth) for one isochronous stream.
+ */
+struct fw_iso_resources {
+ u64 channels_mask;
+ /* private: */
+ struct fw_unit *unit;
+ struct mutex mutex;
+ unsigned int channel;
+ unsigned int bandwidth; /* in bandwidth units, without overhead */
+ unsigned int bandwidth_overhead;
+ int generation; /* in which allocation is valid */
+ bool allocated;
+};
+
+int fw_iso_resources_init(struct fw_iso_resources *r,
+ struct fw_unit *unit);
+void fw_iso_resources_destroy(struct fw_iso_resources *r);
+
+int fw_iso_resources_allocate(struct fw_iso_resources *r,
+ unsigned int max_payload_bytes, int speed);
+int fw_iso_resources_update(struct fw_iso_resources *r);
+void fw_iso_resources_free(struct fw_iso_resources *r);
+
+#endif