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1/*
2 * Copyright (C) 2010 Amlogic Corporation.
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#ifndef _AUDIO_HW_H_
17
18#include <audio_utils/resampler.h>
19#include "audio_hwsync.h"
20
21#define _AUDIO_HW_H_
22#define _AUDIO_HW_H_
23/* ALSA cards for AML */
24#define CARD_AMLOGIC_BOARD 0
25#define CARD_AMLOGIC_DEFAULT CARD_AMLOGIC_BOARD
26/* ALSA ports for AML */
27#define PORT_MM 1
28
29/* number of frames per period */
30/*
31 * change DEFAULT_PERIOD_SIZE from 1024 to 512 for passing CTS
32 * test case test4_1MeasurePeakRms(android.media.cts.VisualizerTest)
33 */
34#define DEFAULT_PERIOD_SIZE 512 //1024 //(1024 * 2)
35static unsigned PERIOD_SIZE = DEFAULT_PERIOD_SIZE;
36/* number of periods for low power playback */
37#define PLAYBACK_PERIOD_COUNT 4
38/* number of periods for capture */
39#define CAPTURE_PERIOD_COUNT 4
40
41/* minimum sleep time in out_write() when write threshold is not reached */
42#define MIN_WRITE_SLEEP_US 5000
43
44#define RESAMPLER_BUFFER_FRAMES (PERIOD_SIZE * 6)
45#define RESAMPLER_BUFFER_SIZE (4 * RESAMPLER_BUFFER_FRAMES)
46
47static unsigned int DEFAULT_OUT_SAMPLING_RATE = 48000;
48
49/* sampling rate when using MM low power port */
50#define MM_LOW_POWER_SAMPLING_RATE 44100
51/* sampling rate when using MM full power port */
52#define MM_FULL_POWER_SAMPLING_RATE 48000
53/* sampling rate when using VX port for narrow band */
54#define VX_NB_SAMPLING_RATE 8000
55
56#define AUDIO_PARAMETER_STREAM_EQ "audioeffect_eq"
57#define AUDIO_PARAMETER_STREAM_SRS "audioeffect_srs_param"
58#define AUDIO_PARAMETER_STREAM_SRS_GAIN "audioeffect_srs_gain"
59#define AUDIO_PARAMETER_STREAM_SRS_SWITCH "audioeffect_srs_switch"
60
61/* Get a new HW synchronization source identifier.
62 * Return a valid source (positive integer) or AUDIO_HW_SYNC_INVALID if an error occurs
63 * or no HW sync is available. */
64#define AUDIO_PARAMETER_HW_AV_SYNC "hw_av_sync"
65
66#define AUDIO_PARAMETER_HW_AV_EAC3_SYNC "HwAvSyncEAC3Supported"
67
68enum {
69 TYPE_PCM = 0,
70 TYPE_AC3 = 2,
71 TYPE_DTS = 3,
72 TYPE_EAC3 = 4,
73 TYPE_DTS_HD = 5 ,
74 TYPE_MULTI_PCM = 6,
75 TYPE_TRUE_HD = 7,
76 TYPE_DTS_HD_MA = 8,//should not used after we unify DTS-HD&DTS-HD MA
77 TYPE_PCM_HIGH_SR = 9,
78};
79
80#define AML_HAL_MIXER_BUF_SIZE 64*1024
81struct aml_hal_mixer {
82 unsigned char start_buf[AML_HAL_MIXER_BUF_SIZE];
83 unsigned int wp;
84 unsigned int rp;
85 unsigned int buf_size;
86 unsigned char need_cache_flag;//flag to check if need cache some data before write to mix
87 pthread_mutex_t lock;
88};
89
90#define MAX_STREAM_NUM 5
91#define HDMI_ARC_MAX_FORMAT 20
92struct aml_audio_device {
93 struct audio_hw_device hw_device;
94
95 pthread_mutex_t lock; /* see note below on mutex acquisition order */
96 pthread_mutex_t pcm_write_lock;
97 int mode;
98 audio_devices_t in_device;
99 audio_devices_t out_device;
100 int in_call;
101 struct aml_stream_in *active_input;
102 struct aml_stream_out *active_output[MAX_STREAM_NUM];
103 unsigned char active_output_count;
104 bool mic_mute;
105 unsigned int card;
106 struct audio_route *ar;
107 struct echo_reference_itfe *echo_reference;
108 bool low_power;
109 struct aml_stream_out *hwsync_output;
110 struct aml_hal_mixer hal_mixer;
111 struct pcm *pcm;
112 bool pcm_paused;
113 unsigned hdmi_arc_ad[HDMI_ARC_MAX_FORMAT];
114 bool hi_pcm_mode;
115};
116
117struct aml_stream_out {
118 struct audio_stream_out stream;
119 /* see note below on mutex acquisition order */
120 pthread_mutex_t lock;
121 /* config which set to ALSA device */
122 struct pcm_config config;
123 /* channel mask exposed to AudioFlinger. */
124 audio_channel_mask_t hal_channel_mask;
125 /* format mask exposed to AudioFlinger. */
126 audio_format_t hal_format;
127 /* samplerate exposed to AudioFlinger. */
128 unsigned int hal_rate;
129 audio_output_flags_t flags;
130 audio_devices_t out_device;
131 struct pcm *pcm;
132 struct resampler_itfe *resampler;
133 char *buffer;
134 size_t buffer_frames;
135 bool standby;
136 struct echo_reference_itfe *echo_reference;
137 struct aml_audio_device *dev;
138 int write_threshold;
139 bool low_power;
140 unsigned multich;
141 int codec_type;
142 uint64_t frame_write_sum;
143 uint64_t frame_skip_sum;
144 uint64_t last_frames_postion;
145 uint64_t spdif_enc_init_frame_write_sum;
146 int skip_frame;
147 int32_t *tmp_buffer_8ch;
148 int is_tv_platform;
149 void *audioeffect_tmp_buffer;
150 int has_SRS_lib;
151 int has_EQ_lib;
152 unsigned char pause_status;
153 bool hw_sync_mode;
154 int has_aml_IIR_lib;
155 int has_Virtualizer;
156 float volume_l;
157 float volume_r;
158 int last_codec_type;
159 //as raw audio framesize is 1 computed by audio_stream_out_frame_size
160 //we need divide more when we got 61937 audio package
161 int raw_61937_frame_size;//61937 frame size
162 unsigned last_dsp_frame;//recorded for wraparound print info
163 audio_hwsync_t hwsync;
164 struct timespec timestamp;
165};
166
167#define MAX_PREPROCESSORS 3 /* maximum one AGC + one NS + one AEC per input stream */
168struct aml_stream_in {
169 struct audio_stream_in stream;
170 pthread_mutex_t lock; /* see note below on mutex acquisition order */
171 struct pcm_config config;
172 struct pcm *pcm;
173 int device;
174 struct resampler_itfe *resampler;
175 struct resampler_buffer_provider buf_provider;
176 int16_t *buffer;
177 size_t frames_in;
178 unsigned int requested_rate;
179 bool standby;
180 int source;
181 struct echo_reference_itfe *echo_reference;
182 bool need_echo_reference;
183 effect_handle_t preprocessors[MAX_PREPROCESSORS];
184 int num_preprocessors;
185 int16_t *proc_buf;
186 size_t proc_buf_size;
187 size_t proc_frames_in;
188 int16_t *ref_buf;
189 size_t ref_buf_size;
190 size_t ref_frames_in;
191 int read_status;
192 struct aml_audio_device *dev;
193};
194typedef int (*do_standby_func)(struct aml_stream_out *out);
195typedef int (*do_startup_func)(struct aml_stream_out *out);
196#endif
197
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