hal: Add support for IMS calls
Move all the voice call specific code to a new file.
Add voice extension files to support IMS calls.
Change-Id: I1b7235500c8e3c2285b726b351d996dc3e5ebdf6
diff --git a/hal/voice.h b/hal/voice.h
new file mode 100644
index 0000000..ba2240c
--- /dev/null
+++ b/hal/voice.h
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef VOICE_H
+#define VOICE_H
+
+#define BASE_SESS_IDX 0
+#define VOICE_SESS_IDX (BASE_SESS_IDX)
+
+#ifdef MULTI_VOICE_SESSION_ENABLED
+#define MAX_VOICE_SESSIONS 5
+#else
+#define MAX_VOICE_SESSIONS 1
+#endif
+
+#define BASE_CALL_STATE 1
+#define CALL_INACTIVE (BASE_CALL_STATE)
+#define CALL_ACTIVE (BASE_CALL_STATE + 1)
+
+#define VOICE_VSID 0x10C01000
+
+#define AUDIO_PARAMETER_KEY_INCALLMUSIC "incall_music_enabled"
+#define AUDIO_PARAMETER_VALUE_TRUE "true"
+
+struct audio_device;
+struct str_parms;
+struct stream_in;
+struct stream_out;
+
+struct call_state {
+ int current;
+ int new;
+};
+
+struct voice_session {
+ struct pcm *pcm_rx;
+ struct pcm *pcm_tx;
+ struct call_state state;
+ uint32_t vsid;
+};
+
+struct voice {
+ struct voice_session session[MAX_VOICE_SESSIONS];
+ int tty_mode;
+ bool mic_mute;
+ float volume;
+ bool voice_device_set;
+};
+
+enum {
+ INCALL_REC_NONE = -1,
+ INCALL_REC_UPLINK,
+ INCALL_REC_DOWNLINK,
+ INCALL_REC_UPLINK_AND_DOWNLINK,
+};
+
+int voice_start_call(struct audio_device *adev);
+int voice_stop_call(struct audio_device *adev);
+int voice_set_parameters(struct audio_device *adev, struct str_parms *parms);
+void voice_get_parameters(struct audio_device *adev, struct str_parms *query,
+ struct str_parms *reply);
+void voice_init(struct audio_device *adev);
+bool voice_is_in_call(struct audio_device *adev);
+bool voice_is_in_call_rec_stream(struct stream_in *in);
+int voice_set_mic_mute(struct audio_device *dev, bool state);
+bool voice_get_mic_mute(struct audio_device *dev);
+int voice_set_volume(struct audio_device *adev, float volume);
+int voice_check_and_set_incall_rec_usecase(struct audio_device *adev,
+ struct stream_in *in);
+int voice_check_and_set_incall_music_usecase(struct audio_device *adev,
+ struct stream_out *out);
+int voice_check_and_stop_incall_rec_usecase(struct audio_device *adev,
+ struct stream_in *in);
+void voice_update_devices_for_all_voice_usecases(struct audio_device *adev);
+#endif //VOICE_H