1 /* 2 * Copyright (C) 2013 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_HEADPHONES, 43 SND_DEVICE_OUT_SPEAKER_AND_HEADPHONES, 44 SND_DEVICE_OUT_VOICE_SPEAKER, 45 SND_DEVICE_OUT_VOICE_HEADPHONES, 46 SND_DEVICE_OUT_HDMI, 47 SND_DEVICE_OUT_SPEAKER_AND_HDMI, 48 SND_DEVICE_OUT_BT_SCO, 49 SND_DEVICE_OUT_VOICE_HANDSET_TMUS, 50 SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES, 51 SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES, 52 SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET, 53 SND_DEVICE_OUT_END, 54 55 /* 56 * Note: IN_BEGIN should be same as OUT_END because total number of devices 57 * SND_DEVICES_MAX should not exceed MAX_RX + MAX_TX devices. 58 */ 59 /* Capture devices */ 60 SND_DEVICE_IN_BEGIN = SND_DEVICE_OUT_END, 61 SND_DEVICE_IN_HANDSET_MIC = SND_DEVICE_IN_BEGIN, 62 SND_DEVICE_IN_SPEAKER_MIC, 63 SND_DEVICE_IN_HEADSET_MIC, 64 SND_DEVICE_IN_HANDSET_MIC_AEC, 65 SND_DEVICE_IN_SPEAKER_MIC_AEC, 66 SND_DEVICE_IN_HEADSET_MIC_AEC, 67 SND_DEVICE_IN_VOICE_SPEAKER_MIC, 68 SND_DEVICE_IN_VOICE_HEADSET_MIC, 69 SND_DEVICE_IN_HDMI_MIC, 70 SND_DEVICE_IN_BT_SCO_MIC, 71 SND_DEVICE_IN_CAMCORDER_MIC, 72 SND_DEVICE_IN_VOICE_DMIC_EF, 73 SND_DEVICE_IN_VOICE_DMIC_BS, 74 SND_DEVICE_IN_VOICE_DMIC_EF_TMUS, 75 SND_DEVICE_IN_VOICE_SPEAKER_DMIC_EF, 76 SND_DEVICE_IN_VOICE_SPEAKER_DMIC_BS, 77 SND_DEVICE_IN_VOICE_TTY_FULL_HEADSET_MIC, 78 SND_DEVICE_IN_VOICE_TTY_VCO_HANDSET_MIC, 79 SND_DEVICE_IN_VOICE_TTY_HCO_HEADSET_MIC, 80 SND_DEVICE_IN_VOICE_REC_MIC, 81 SND_DEVICE_IN_VOICE_REC_DMIC_EF, 82 SND_DEVICE_IN_VOICE_REC_DMIC_BS, 83 SND_DEVICE_IN_VOICE_REC_DMIC_EF_FLUENCE, 84 SND_DEVICE_IN_VOICE_REC_DMIC_BS_FLUENCE, 85 SND_DEVICE_IN_END, 86 87 SND_DEVICE_MAX = SND_DEVICE_IN_END, 88 89 }; 90 91 #define MIXER_CARD 0 92 #define SOUND_CARD 0 93 94 #define DEFAULT_OUTPUT_SAMPLING_RATE 48000 95 96 /* 97 * tinyAlsa library interprets period size as number of frames 98 * one frame = channel_count * sizeof (pcm sample) 99 * so if format = 16-bit PCM and channels = Stereo, frame size = 2 ch * 2 = 4 bytes 100 * DEEP_BUFFER_OUTPUT_PERIOD_SIZE = 1024 means 1024 * 4 = 4096 bytes 101 * We should take care of returning proper size when AudioFlinger queries for 102 * the buffer size of an input/output stream 103 */ 104 #define DEEP_BUFFER_OUTPUT_PERIOD_SIZE 960 105 #define DEEP_BUFFER_OUTPUT_PERIOD_COUNT 8 106 #define LOW_LATENCY_OUTPUT_PERIOD_SIZE 240 107 #define LOW_LATENCY_OUTPUT_PERIOD_COUNT 2 108 109 #define HDMI_MULTI_PERIOD_SIZE 336 110 #define HDMI_MULTI_PERIOD_COUNT 8 111 #define HDMI_MULTI_DEFAULT_CHANNEL_COUNT 6 112 #define HDMI_MULTI_PERIOD_BYTES (HDMI_MULTI_PERIOD_SIZE * HDMI_MULTI_DEFAULT_CHANNEL_COUNT * 2) 113 114 #define AUDIO_CAPTURE_PERIOD_DURATION_MSEC 20 115 #define AUDIO_CAPTURE_PERIOD_COUNT 2 116 117 #endif // QCOM_AUDIO_PLATFORM_H 118
