Audio: 8916 Audio HAL bringup changes

/*

 * 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_PLATFORM_H

#define QCOM_AUDIO_PLATFORM_H

/*

 * Below are the devices for which is back end is same, SLIMBUS_0_RX.

 * All these devices are handled by the internal HW codec. We can

 * enable any one of these devices at any time

 */

#define AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND \

    (AUDIO_DEVICE_OUT_EARPIECE | AUDIO_DEVICE_OUT_SPEAKER | \

     AUDIO_DEVICE_OUT_WIRED_HEADSET | AUDIO_DEVICE_OUT_WIRED_HEADPHONE)

/* Sound devices specific to the platform

 * The DEVICE_OUT_* and DEVICE_IN_* should be mapped to these sound

 * devices to enable corresponding mixer paths

 */

enum {

    SND_DEVICE_NONE = 0,

    /* Playback devices */

    SND_DEVICE_MIN,

    SND_DEVICE_OUT_BEGIN = SND_DEVICE_MIN,

    SND_DEVICE_OUT_HANDSET = SND_DEVICE_OUT_BEGIN,

    SND_DEVICE_OUT_SPEAKER,

    SND_DEVICE_OUT_SPEAKER_REVERSE,

    SND_DEVICE_OUT_HEADPHONES,

    SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,

    SND_DEVICE_OUT_VOICE_HANDSET,

    SND_DEVICE_OUT_VOICE_SPEAKER,

    SND_DEVICE_OUT_VOICE_HEADPHONES,

    SND_DEVICE_OUT_HDMI,

    SND_DEVICE_OUT_SPEAKER_AND_HDMI,

    SND_DEVICE_OUT_BT_SCO,

    SND_DEVICE_OUT_VOICE_HANDSET_TMUS,

    SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,

    SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,

    SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,

    SND_DEVICE_OUT_END,

    /*

     * Note: IN_BEGIN should be same as OUT_END because total number of devices

     * SND_DEVICES_MAX should not exceed MAX_RX + MAX_TX devices.

     */

    /* Capture devices */

    SND_DEVICE_IN_BEGIN = SND_DEVICE_OUT_END,

    SND_DEVICE_IN_HANDSET_MIC  = SND_DEVICE_IN_BEGIN,

    SND_DEVICE_IN_SPEAKER_MIC,

    SND_DEVICE_IN_HEADSET_MIC,

    SND_DEVICE_IN_HANDSET_MIC_AEC,

    SND_DEVICE_IN_SPEAKER_MIC_AEC,

    SND_DEVICE_IN_HEADSET_MIC_AEC,

    SND_DEVICE_IN_VOICE_SPEAKER_MIC,

    SND_DEVICE_IN_VOICE_HEADSET_MIC,

    SND_DEVICE_IN_HDMI_MIC,

    SND_DEVICE_IN_BT_SCO_MIC,

    SND_DEVICE_IN_CAMCORDER_MIC,

    SND_DEVICE_IN_VOICE_DMIC_EF,

    SND_DEVICE_IN_VOICE_DMIC_BS,

    SND_DEVICE_IN_VOICE_DMIC_EF_TMUS,

    SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF,

    SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS,

    SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC,

    SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC,

    SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC,

    SND_DEVICE_IN_VOICE_REC_MIC,

    SND_DEVICE_IN_VOICE_REC_DMIC_EF,

    SND_DEVICE_IN_VOICE_REC_DMIC_BS,

    SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE,

    SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE,

    SND_DEVICE_IN_END,

    SND_DEVICE_MAX = SND_DEVICE_IN_END,

};

#define MIXER_CARD 0

#define SOUND_CARD 0

#define DEFAULT_OUTPUT_SAMPLING_RATE 48000

/*

 * 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

 */

#define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 1024

#define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 8

#define LOW_LATENCY_OUTPUT_PERIOD_SIZE 256

#define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2

#define HDMI_MULTI_PERIOD_SIZE  336

#define HDMI_MULTI_PERIOD_COUNT 8

#define HDMI_MULTI_DEFAULT_CHANNEL_COUNT 6

#define HDMI_MULTI_PERIOD_BYTES (HDMI_MULTI_PERIOD_SIZE * HDMI_MULTI_DEFAULT_CHANNEL_COUNT * 2)

#define AUDIO_CAPTURE_PERIOD_SIZE 512

#define AUDIO_CAPTURE_PERIOD_COUNT 16

#endif // QCOM_AUDIO_PLATFORM_H