| /* |
| * Copyright (c) 2013, The Linux Foundation. All rights reserved. |
| * Not a contribution. |
| * |
| * Copyright (C) 2013 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 QCOM_AUDIO_HW_H |
| #define QCOM_AUDIO_HW_H |
| |
| #include <cutils/list.h> |
| #include <hardware/audio.h> |
| #include <tinyalsa/asoundlib.h> |
| #include <tinycompress/tinycompress.h> |
| |
| #include <audio_route/audio_route.h> |
| #include "voice.h" |
| |
| #define VISUALIZER_LIBRARY_PATH "/system/lib/soundfx/libqcomvisualizer.so" |
| #define OFFLOAD_EFFECTS_BUNDLE_LIBRARY_PATH "/system/lib/soundfx/libqcompostprocbundle.so" |
| |
| /* Flags used to initialize acdb_settings variable that goes to ACDB library */ |
| #define DMIC_FLAG 0x00000002 |
| #define QMIC_FLAG 0x00000004 |
| #define TTY_MODE_OFF 0x00000010 |
| #define TTY_MODE_FULL 0x00000020 |
| #define TTY_MODE_VCO 0x00000040 |
| #define TTY_MODE_HCO 0x00000080 |
| #define TTY_MODE_CLEAR 0xFFFFFF0F |
| |
| #define ACDB_DEV_TYPE_OUT 1 |
| #define ACDB_DEV_TYPE_IN 2 |
| |
| #define MAX_SUPPORTED_CHANNEL_MASKS 2 |
| #define DEFAULT_HDMI_OUT_CHANNELS 2 |
| |
| typedef int snd_device_t; |
| |
| /* These are the supported use cases by the hardware. |
| * Each usecase is mapped to a specific PCM device. |
| * Refer to pcm_device_table[]. |
| */ |
| typedef enum { |
| USECASE_INVALID = -1, |
| /* Playback usecases */ |
| USECASE_AUDIO_PLAYBACK_DEEP_BUFFER = 0, |
| USECASE_AUDIO_PLAYBACK_LOW_LATENCY, |
| USECASE_AUDIO_PLAYBACK_MULTI_CH, |
| USECASE_AUDIO_PLAYBACK_OFFLOAD, |
| |
| /* FM usecase */ |
| USECASE_AUDIO_PLAYBACK_FM, |
| |
| /* HFP Use case*/ |
| USECASE_AUDIO_HFP_SCO, |
| |
| /* Capture usecases */ |
| USECASE_AUDIO_RECORD, |
| USECASE_AUDIO_RECORD_COMPRESS, |
| USECASE_AUDIO_RECORD_LOW_LATENCY, |
| USECASE_AUDIO_RECORD_FM_VIRTUAL, |
| |
| /* Voice usecase */ |
| USECASE_VOICE_CALL, |
| |
| /* Voice extension usecases */ |
| USECASE_VOICE2_CALL, |
| USECASE_VOLTE_CALL, |
| USECASE_QCHAT_CALL, |
| USECASE_COMPRESS_VOIP_CALL, |
| |
| USECASE_INCALL_REC_UPLINK, |
| USECASE_INCALL_REC_DOWNLINK, |
| USECASE_INCALL_REC_UPLINK_AND_DOWNLINK, |
| USECASE_INCALL_REC_UPLINK_COMPRESS, |
| USECASE_INCALL_REC_DOWNLINK_COMPRESS, |
| USECASE_INCALL_REC_UPLINK_AND_DOWNLINK_COMPRESS, |
| |
| USECASE_INCALL_MUSIC_UPLINK, |
| USECASE_INCALL_MUSIC_UPLINK2, |
| |
| USECASE_AUDIO_SPKR_CALIB_RX, |
| USECASE_AUDIO_SPKR_CALIB_TX, |
| AUDIO_USECASE_MAX |
| } audio_usecase_t; |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| /* |
| * tinyAlsa library interprets period size as number of frames |
| * one frame = channel_count * sizeof (pcm sample) |
| * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes |
| * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes |
| * We should take care of returning proper size when AudioFlinger queries for |
| * the buffer size of an input/output stream |
| */ |
| |
| enum { |
| OFFLOAD_CMD_EXIT, /* exit compress offload thread loop*/ |
| OFFLOAD_CMD_DRAIN, /* send a full drain request to DSP */ |
| OFFLOAD_CMD_PARTIAL_DRAIN, /* send a partial drain request to DSP */ |
| OFFLOAD_CMD_WAIT_FOR_BUFFER, /* wait for buffer released by DSP */ |
| }; |
| |
| enum { |
| OFFLOAD_STATE_IDLE, |
| OFFLOAD_STATE_PLAYING, |
| OFFLOAD_STATE_PAUSED, |
| }; |
| |
| struct offload_cmd { |
| struct listnode node; |
| int cmd; |
| int data[]; |
| }; |
| |
| struct stream_out { |
| struct audio_stream_out stream; |
| pthread_mutex_t lock; /* see note below on mutex acquisition order */ |
| pthread_cond_t cond; |
| struct pcm_config config; |
| struct compr_config compr_config; |
| struct pcm *pcm; |
| struct compress *compr; |
| int standby; |
| int pcm_device_id; |
| unsigned int sample_rate; |
| audio_channel_mask_t channel_mask; |
| audio_format_t format; |
| audio_devices_t devices; |
| audio_output_flags_t flags; |
| audio_usecase_t usecase; |
| /* Array of supported channel mask configurations. +1 so that the last entry is always 0 */ |
| audio_channel_mask_t supported_channel_masks[MAX_SUPPORTED_CHANNEL_MASKS + 1]; |
| bool muted; |
| uint64_t written; /* total frames written, not cleared when entering standby */ |
| audio_io_handle_t handle; |
| |
| int non_blocking; |
| int playback_started; |
| int offload_state; |
| pthread_cond_t offload_cond; |
| pthread_t offload_thread; |
| struct listnode offload_cmd_list; |
| bool offload_thread_blocked; |
| |
| stream_callback_t offload_callback; |
| void *offload_cookie; |
| struct compr_gapless_mdata gapless_mdata; |
| int send_new_metadata; |
| |
| struct audio_device *dev; |
| }; |
| |
| struct stream_in { |
| struct audio_stream_in stream; |
| pthread_mutex_t lock; /* see note below on mutex acquisition order */ |
| struct pcm_config config; |
| struct pcm *pcm; |
| int standby; |
| int source; |
| int pcm_device_id; |
| int device; |
| audio_channel_mask_t channel_mask; |
| audio_usecase_t usecase; |
| bool enable_aec; |
| bool enable_ns; |
| audio_format_t format; |
| |
| struct audio_device *dev; |
| }; |
| |
| typedef enum { |
| PCM_PLAYBACK, |
| PCM_CAPTURE, |
| VOICE_CALL, |
| VOIP_CALL, |
| PCM_HFP_CALL |
| } usecase_type_t; |
| |
| union stream_ptr { |
| struct stream_in *in; |
| struct stream_out *out; |
| }; |
| |
| struct audio_usecase { |
| struct listnode list; |
| audio_usecase_t id; |
| usecase_type_t type; |
| audio_devices_t devices; |
| snd_device_t out_snd_device; |
| snd_device_t in_snd_device; |
| union stream_ptr stream; |
| }; |
| |
| struct audio_device { |
| struct audio_hw_device device; |
| pthread_mutex_t lock; /* see note below on mutex acquisition order */ |
| struct mixer *mixer; |
| audio_mode_t mode; |
| audio_devices_t out_device; |
| struct stream_in *active_input; |
| struct stream_out *primary_output; |
| bool bluetooth_nrec; |
| bool screen_off; |
| int *snd_dev_ref_cnt; |
| struct listnode usecase_list; |
| struct audio_route *audio_route; |
| int acdb_settings; |
| bool speaker_lr_swap; |
| struct voice voice; |
| unsigned int cur_hdmi_channels; |
| |
| void *platform; |
| |
| void *visualizer_lib; |
| int (*visualizer_start_output)(audio_io_handle_t, int); |
| int (*visualizer_stop_output)(audio_io_handle_t, int); |
| void *offload_effects_lib; |
| int (*offload_effects_start_output)(audio_io_handle_t, int); |
| int (*offload_effects_stop_output)(audio_io_handle_t, int); |
| }; |
| |
| int select_devices(struct audio_device *adev, |
| audio_usecase_t uc_id); |
| int disable_audio_route(struct audio_device *adev, |
| struct audio_usecase *usecase, |
| bool update_mixer); |
| int disable_snd_device(struct audio_device *adev, |
| snd_device_t snd_device, |
| bool update_mixer); |
| int enable_snd_device(struct audio_device *adev, |
| snd_device_t snd_device, |
| bool update_mixer); |
| int enable_audio_route(struct audio_device *adev, |
| struct audio_usecase *usecase, |
| bool update_mixer); |
| struct audio_usecase *get_usecase_from_list(struct audio_device *adev, |
| audio_usecase_t uc_id); |
| /* |
| * NOTE: when multiple mutexes have to be acquired, always take the |
| * stream_in or stream_out mutex first, followed by the audio_device mutex. |
| */ |
| |
| #endif // QCOM_AUDIO_HW_H |