platform_api.h revision 98c95622da1e906d32dde6b6651ed5b270b9b5f1 
1/*
2 * Copyright (C) 2013-2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef AUDIO_PLATFORM_API_H
18#define AUDIO_PLATFORM_API_H
19
20void *platform_init(struct audio_device *adev);
21void platform_deinit(void *platform);
22const char *platform_get_snd_device_name(snd_device_t snd_device);
23void platform_add_backend_name(void *platform, char *mixer_path,
24                                                    snd_device_t snd_device);
25int platform_get_pcm_device_id(audio_usecase_t usecase, int device_type);
26int platform_get_snd_device_index(char *snd_device_index_name);
27int platform_set_snd_device_acdb_id(snd_device_t snd_device, unsigned int acdb_id);
28int platform_send_audio_calibration(void *platform, snd_device_t snd_device);
29int platform_switch_voice_call_device_pre(void *platform);
30int platform_switch_voice_call_enable_device_config(void *platform,
31                                                    snd_device_t out_snd_device,
32                                                    snd_device_t in_snd_device);
33int platform_switch_voice_call_device_post(void *platform,
34                                           snd_device_t out_snd_device,
35                                           snd_device_t in_snd_device);
36int platform_switch_voice_call_usecase_route_post(void *platform,
37                                                  snd_device_t out_snd_device,
38                                                  snd_device_t in_snd_device);
39int platform_start_voice_call(void *platform, uint32_t vsid);
40int platform_stop_voice_call(void *platform, uint32_t vsid);
41int platform_set_voice_volume(void *platform, int volume);
42int platform_set_mic_mute(void *platform, bool state);
43int platform_get_sample_rate(void *platform, uint32_t *rate);
44int platform_set_device_mute(void *platform, bool state, char *dir);
45snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devices);
46snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_device);
47int platform_set_hdmi_channels(void *platform, int channel_count);
48int platform_edid_get_max_channels(void *platform);
49
50/* returns the latency for a usecase in Us */
51int64_t platform_render_latency(audio_usecase_t usecase);
52
53int platform_set_incall_recording_session_id(void *platform,
54                                             uint32_t session_id, int rec_mode);
55int platform_stop_incall_recording_usecase(void *platform);
56int platform_start_incall_music_usecase(void *platform);
57int platform_stop_incall_music_usecase(void *platform);
58
59int platform_set_snd_device_backend(snd_device_t snd_device, const char * backend);
60
61/* From platform_info_parser.c */
62int platform_info_init(void);
63
64int platform_get_usecase_index(const char * usecase);
65int platform_set_usecase_pcm_id(audio_usecase_t usecase, int32_t type, int32_t pcm_id);
66
67#endif // AUDIO_PLATFORM_API_H
68