--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rvinterf/include/audio.h	Sat Jul 31 07:33:58 2021 +0000
@@ -0,0 +1,31 @@
+/*
+ * This header file contains definitions for talking to ETM_AUDIO.
+ */
+
+/* aur/auw parameter codes */
+#define AUDIO_PATH_USED                         (0)
+#define AUDIO_MICROPHONE_MODE                   (1)
+#define AUDIO_MICROPHONE_GAIN                   (2)
+#define AUDIO_MICROPHONE_EXTRA_GAIN             (3)
+#define AUDIO_MICROPHONE_OUTPUT_BIAS            (4)
+#define AUDIO_MICROPHONE_FIR                    (5)
+#define AUDIO_SPEAKER_MODE                      (6)
+#define AUDIO_SPEAKER_GAIN                      (7)
+#define AUDIO_SPEAKER_FILTER                    (8)
+#define AUDIO_SPEAKER_FIR                       (9)
+#define AUDIO_SPEAKER_BUZZER_STATE              (10)
+#define AUDIO_MICROPHONE_SPEAKER_LOOP_SIDETONE  (11)
+#define AUDIO_MICROPHONE_SPEAKER_LOOP_AEC       (12)
+#define AUDIO_SPEAKER_VOLUME_LEVEL              (13)
+
+/* microphone modes */
+#define AUDIO_MICROPHONE_HANDHELD   (0)
+#define AUDIO_MICROPHONE_HANDFREE   (1)
+#define AUDIO_MICROPHONE_HEADSET    (2)
+
+/* speaker modes */
+#define AUDIO_SPEAKER_HANDHELD          (0)
+#define AUDIO_SPEAKER_HANDFREE          (1)
+#define AUDIO_SPEAKER_HEADSET           (2)
+#define AUDIO_SPEAKER_BUZZER            (3)
+#define AUDIO_SPEAKER_HANDHELD_HANDFREE (4)