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Commit 110eafb8 authored by Derek Chen's avatar Derek Chen
Browse files

hal: add auto hal header file for pcm defs 

Add auto HAL header file and update PCM config
definitions to media and system for automotive
specific usage.

Change-Id: I663e856ff7be39ff5c8ce31f2fdca93b6bb45e83
parent e3635a3e

NOTICE

+14 −0
Original line number Diff line number Diff line
@@ -351,3 +351,17 @@ Except as contained in this notice, the name of a copyright holder 
shall not be used in advertising or otherwise to promote the sale, use

or other dealings in these Data Files or Software without prior written

authorization of the copyright holder.



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.

hal/audio_extn/auto_hal.c

+6 −49
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ 
#include "platform_api.h"

#include "platform.h"

#include "audio_hal_plugin.h"

#include "auto_hal.h"



#ifdef DYNAMIC_LOG_ENABLED

#include <log_xml_parser.h>
@@ -54,44 +55,9 @@ static fp_get_usecase_from_list_t fp_get_usecase_from_list; 
static fp_get_output_period_size_t                  fp_get_output_period_size;

static fp_audio_extn_ext_hw_plugin_set_audio_gain_t fp_audio_extn_ext_hw_plugin_set_audio_gain;



typedef struct auto_hal_module {

    struct audio_device *adev;

    card_status_t card_status;

} auto_hal_module_t;



/* Auto hal module struct */

static struct auto_hal_module *auto_hal = NULL;



struct pcm_config pcm_config_deep_buffer = {

    .channels = 2,

    .rate = DEFAULT_OUTPUT_SAMPLING_RATE,

    .period_size = DEEP_BUFFER_OUTPUT_PERIOD_SIZE,

    .period_count = DEEP_BUFFER_OUTPUT_PERIOD_COUNT,

    .format = PCM_FORMAT_S16_LE,

    .start_threshold = DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4,

    .stop_threshold = INT_MAX,

    .avail_min = DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4,

};



struct pcm_config pcm_config_low_latency = {

    .channels = 2,

    .rate = DEFAULT_OUTPUT_SAMPLING_RATE,

    .period_size = LOW_LATENCY_OUTPUT_PERIOD_SIZE,

    .period_count = LOW_LATENCY_OUTPUT_PERIOD_COUNT,

    .format = PCM_FORMAT_S16_LE,

    .start_threshold = LOW_LATENCY_OUTPUT_PERIOD_SIZE / 4,

    .stop_threshold = INT_MAX,

    .avail_min = LOW_LATENCY_OUTPUT_PERIOD_SIZE / 4,

};



static const audio_usecase_t bus_device_usecases[] = {

    USECASE_AUDIO_PLAYBACK_MEDIA,

    USECASE_AUDIO_PLAYBACK_SYS_NOTIFICATION,

    USECASE_AUDIO_PLAYBACK_NAV_GUIDANCE,

    USECASE_AUDIO_PLAYBACK_PHONE,

    USECASE_AUDIO_PLAYBACK_REAR_SEAT,

};



int auto_hal_release_audio_patch(struct audio_hw_device *dev,

                                audio_patch_handle_t handle);
@@ -108,9 +74,6 @@ static struct audio_patch_record *get_patch_from_list(struct audio_device *adev, 
    return NULL;

}



#define MAX_SOURCE_PORTS_PER_PATCH 1

#define MAX_SINK_PORTS_PER_PATCH 1



int auto_hal_create_audio_patch(struct audio_hw_device *dev,

                                unsigned int num_sources,

                                const struct audio_port_config *sources,
@@ -468,7 +431,7 @@ int auto_hal_open_output_stream(struct stream_out *out) 
    case CAR_AUDIO_STREAM_MEDIA:

        /* media bus stream shares pcm device with deep-buffer */

        out->usecase = USECASE_AUDIO_PLAYBACK_MEDIA;

        out->config = pcm_config_deep_buffer;

        out->config = pcm_config_media;

        out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format,

                                        channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION);

        if (out->config.period_size <= 0) {
@@ -483,13 +446,13 @@ int auto_hal_open_output_stream(struct stream_out *out) 
    case CAR_AUDIO_STREAM_SYS_NOTIFICATION:

        /* sys notification bus stream shares pcm device with low-latency */

        out->usecase = USECASE_AUDIO_PLAYBACK_SYS_NOTIFICATION;

        out->config = pcm_config_low_latency;

        out->config = pcm_config_system;

        if (out->flags == AUDIO_OUTPUT_FLAG_NONE)

            out->flags |= AUDIO_OUTPUT_FLAG_SYS_NOTIFICATION;

        break;

    case CAR_AUDIO_STREAM_NAV_GUIDANCE:

        out->usecase = USECASE_AUDIO_PLAYBACK_NAV_GUIDANCE;

        out->config = pcm_config_deep_buffer;

        out->config = pcm_config_media;

        out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format,

                                        channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION);

        if (out->config.period_size <= 0) {
@@ -502,13 +465,13 @@ int auto_hal_open_output_stream(struct stream_out *out) 
        break;

    case CAR_AUDIO_STREAM_PHONE:

        out->usecase = USECASE_AUDIO_PLAYBACK_PHONE;

        out->config = pcm_config_low_latency;

        out->config = pcm_config_system;

        if (out->flags == AUDIO_OUTPUT_FLAG_NONE)

            out->flags |= AUDIO_OUTPUT_FLAG_PHONE;

        break;

    case CAR_AUDIO_STREAM_REAR_SEAT:

        out->usecase = USECASE_AUDIO_PLAYBACK_REAR_SEAT;

        out->config = pcm_config_deep_buffer;

        out->config = pcm_config_media;

        out->config.period_size = fp_get_output_period_size(out->sample_rate, out->format,

                                        channels, DEEP_BUFFER_OUTPUT_PERIOD_DURATION);

        if (out->config.period_size <= 0) {
@@ -573,12 +536,6 @@ int auto_hal_get_audio_port(struct audio_hw_device *dev __unused, 
    return -ENOSYS;

}



/* Volume min/max defined by audio policy configuration in millibel.

 * Support a range of -60dB to 6dB.

 */

#define MIN_VOLUME_VALUE_MB -6000

#define MAX_VOLUME_VALUE_MB 600

#define STEP_VALUE_MB 100

int auto_hal_set_audio_port_config(struct audio_hw_device *dev,

                        const struct audio_port_config *config)

{

hal/audio_extn/auto_hal.h

0 → 100644
+65 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2019 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.

 */

#include <audio_hw.h>

#include "platform.h"



#define MAX_SOURCE_PORTS_PER_PATCH 1

#define MAX_SINK_PORTS_PER_PATCH 1



/* Volume min/max defined by audio policy configuration in millibel.

 * Support a range of -60dB to 6dB.

 */

#define MIN_VOLUME_VALUE_MB -6000

#define MAX_VOLUME_VALUE_MB 600

#define STEP_VALUE_MB 100



typedef struct auto_hal_module {

    struct audio_device *adev;

    card_status_t card_status;

} auto_hal_module_t;



struct pcm_config pcm_config_media = {

    .channels = 2,

    .rate = DEFAULT_OUTPUT_SAMPLING_RATE,

    .period_size = DEEP_BUFFER_OUTPUT_PERIOD_SIZE,

    .period_count = DEEP_BUFFER_OUTPUT_PERIOD_COUNT,

    .format = PCM_FORMAT_S16_LE,

    .start_threshold = DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4,

    .stop_threshold = INT_MAX,

    .avail_min = DEEP_BUFFER_OUTPUT_PERIOD_SIZE / 4,

};



struct pcm_config pcm_config_system = {

    .channels = 2,

    .rate = DEFAULT_OUTPUT_SAMPLING_RATE,

    .period_size = LOW_LATENCY_OUTPUT_PERIOD_SIZE,

    .period_count = LOW_LATENCY_OUTPUT_PERIOD_COUNT,

    .format = PCM_FORMAT_S16_LE,

    .start_threshold = LOW_LATENCY_OUTPUT_PERIOD_SIZE / 4,

    .stop_threshold = INT_MAX,

    .avail_min = LOW_LATENCY_OUTPUT_PERIOD_SIZE / 4,

};



static const audio_usecase_t bus_device_usecases[] = {

    USECASE_AUDIO_PLAYBACK_MEDIA,

    USECASE_AUDIO_PLAYBACK_SYS_NOTIFICATION,

    USECASE_AUDIO_PLAYBACK_NAV_GUIDANCE,

    USECASE_AUDIO_PLAYBACK_PHONE,

    USECASE_AUDIO_PLAYBACK_REAR_SEAT,

};