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      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 QCOM_AUDIO_PLATFORM_H
     18 #define QCOM_AUDIO_PLATFORM_H
     19 
     20 /*
     21  * Below are the devices for which is back end is same, SLIMBUS_0_RX.
     22  * All these devices are handled by the internal HW codec. We can
     23  * enable any one of these devices at any time
     24  */
     25 #define AUDIO_DEVICE_OUT_ALL_CODEC_BACKEND \
     26     (AUDIO_DEVICE_OUT_EARPIECE | AUDIO_DEVICE_OUT_SPEAKER | \
     27      AUDIO_DEVICE_OUT_WIRED_HEADSET | AUDIO_DEVICE_OUT_WIRED_HEADPHONE)
     28 
     29 /* Sound devices specific to the platform
     30  * The DEVICE_OUT_* and DEVICE_IN_* should be mapped to these sound
     31  * devices to enable corresponding mixer paths
     32  */
     33 enum {
     34     SND_DEVICE_NONE = 0,
     35 
     36     /* Playback devices */
     37     SND_DEVICE_MIN,
     38     SND_DEVICE_OUT_BEGIN = SND_DEVICE_MIN,
     39     SND_DEVICE_OUT_HANDSET = SND_DEVICE_OUT_BEGIN,
     40     SND_DEVICE_OUT_SPEAKER,
     41     SND_DEVICE_OUT_SPEAKER_REVERSE,
     42     SND_DEVICE_OUT_SPEAKER_SAFE,
     43     SND_DEVICE_OUT_HEADPHONES,
     44     SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES,
     45     SND_DEVICE_OUT_VOICE_SPEAKER,
     46     SND_DEVICE_OUT_VOICE_HEADPHONES,
     47     SND_DEVICE_OUT_HDMI,
     48     SND_DEVICE_OUT_SPEAKER_AND_HDMI,
     49     SND_DEVICE_OUT_BT_SCO,
     50     SND_DEVICE_OUT_BT_SCO_WB,
     51     SND_DEVICE_OUT_BT_A2DP,
     52     SND_DEVICE_OUT_SPEAKER_AND_BT_A2DP,
     53     SND_DEVICE_OUT_VOICE_HANDSET_TMUS,
     54     SND_DEVICE_OUT_VOICE_HANDSET,
     55     SND_DEVICE_OUT_VOICE_HAC_HANDSET,
     56     SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES,
     57     SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
     58     SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
     59     SND_DEVICE_OUT_USB_HEADSET,
     60     SND_DEVICE_OUT_USB_HEADPHONES,
     61     SND_DEVICE_OUT_VOICE_USB_HEADSET,
     62     SND_DEVICE_OUT_VOICE_USB_HEADPHONES,
     63     SND_DEVICE_OUT_END,
     64 
     65     /*
     66      * Note: IN_BEGIN should be same as OUT_END because total number of devices
     67      * SND_DEVICES_MAX should not exceed MAX_RX + MAX_TX devices.
     68      */
     69     /* Capture devices */
     70     SND_DEVICE_IN_BEGIN = SND_DEVICE_OUT_END,
     71     SND_DEVICE_IN_HANDSET_MIC  = SND_DEVICE_IN_BEGIN,
     72     SND_DEVICE_IN_SPEAKER_MIC,
     73     SND_DEVICE_IN_HEADSET_MIC,
     74     SND_DEVICE_IN_HANDSET_MIC_AEC,
     75     SND_DEVICE_IN_SPEAKER_MIC_AEC,
     76     SND_DEVICE_IN_HEADSET_MIC_AEC,
     77     SND_DEVICE_IN_VOICE_SPEAKER_MIC,
     78     SND_DEVICE_IN_VOICE_HEADSET_MIC,
     79     SND_DEVICE_IN_HDMI_MIC,
     80     SND_DEVICE_IN_BT_SCO_MIC,
     81     SND_DEVICE_IN_BT_SCO_MIC_WB,
     82     SND_DEVICE_IN_CAMCORDER_MIC,
     83     SND_DEVICE_IN_CAPTURE_VI_FEEDBACK,
     84     SND_DEVICE_IN_VOICE_DMIC_EF,
     85     SND_DEVICE_IN_VOICE_DMIC_BS,
     86     SND_DEVICE_IN_VOICE_DMIC_EF_TMUS,
     87     SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF,
     88     SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS,
     89     SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC,
     90     SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC,
     91     SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC,
     92     SND_DEVICE_IN_VOICE_REC_MIC,
     93     SND_DEVICE_IN_VOICE_REC_DMIC_EF,
     94     SND_DEVICE_IN_VOICE_REC_DMIC_BS,
     95     SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE,
     96     SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE,
     97     SND_DEVICE_IN_END,
     98 
     99     SND_DEVICE_MAX = SND_DEVICE_IN_END,
    100 
    101 };
    102 
    103 #define MIXER_CARD 0
    104 #define SOUND_CARD 0
    105 #define MIXER_PATH_MAX_LENGTH 100
    106 #define DEFAULT_OUTPUT_SAMPLING_RATE 48000
    107 #define DEFAULT_INPUT_SAMPLING_RATE 48000
    108 
    109 /*
    110  * tinyAlsa library interprets period size as number of frames
    111  * one frame = channel_count * sizeof (pcm sample)
    112  * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes
    113  * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes
    114  * We should take care of returning proper size when AudioFlinger queries for
    115  * the buffer size of an input/output stream
    116  */
    117 #define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 960
    118 #define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 8
    119 #define LOW_LATENCY_OUTPUT_PERIOD_SIZE 240
    120 #define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2
    121 
    122 #define HDMI_MULTI_PERIOD_SIZE  336
    123 #define HDMI_MULTI_PERIOD_COUNT 8
    124 #define HDMI_MULTI_DEFAULT_CHANNEL_COUNT 6
    125 #define HDMI_MULTI_PERIOD_BYTES (HDMI_MULTI_PERIOD_SIZE * HDMI_MULTI_DEFAULT_CHANNEL_COUNT * 2)
    126 
    127 #define AUDIO_CAPTURE_PERIOD_DURATION_MSEC 20
    128 #define AUDIO_CAPTURE_PERIOD_COUNT 2
    129 
    130 #define VOIP_CAPTURE_PERIOD_DURATION_MSEC 20
    131 #define VOIP_CAPTURE_PERIOD_COUNT 2
    132 
    133 #define VOIP_PLAYBACK_PERIOD_DURATION_MSEC 20
    134 #define VOIP_PLAYBACK_PERIOD_COUNT 2
    135 
    136 #define LOW_LATENCY_CAPTURE_SAMPLE_RATE 48000
    137 #define LOW_LATENCY_CAPTURE_PERIOD_SIZE 240
    138 #define LOW_LATENCY_CAPTURE_USE_CASE 0
    139 
    140 #define AFE_PROXY_PLAYBACK_PCM_DEVICE 7
    141 #define AFE_PROXY_RECORD_PCM_DEVICE 8
    142 
    143 #define HFP_ASM_RX_TX 18
    144 
    145 #define PLATFORM_INFO_XML_PATH          "audio_platform_info.xml"
    146 #define PLATFORM_INFO_XML_BASE_STRING   "audio_platform_info"
    147 
    148 #define DEVICE_NAME_MAX_SIZE 128
    149 
    150 #define AUDIO_MAKE_STRING_FROM_ENUM(X)   { #X, X }
    151 
    152 
    153 #endif // QCOM_AUDIO_PLATFORM_H
    154