Revert "Revert "audio: add support for routing to/from voice TX/RX paths"" (99c752d8) · Commits · e / os / android_hardware_qcom_audio

hal/audio_hw.c

+178 −47

Original line number	Diff line number	Diff line
		@@ -58,6 +58,9 @@
		#define COMPRESS_OFFLOAD_PLAYBACK_LATENCY 96
		#define COMPRESS_PLAYBACK_VOLUME_MAX 0x2000

		#define PROXY_OPEN_RETRY_COUNT 100
		#define PROXY_OPEN_WAIT_TIME 20

		static unsigned int configured_low_latency_capture_period_size =
		LOW_LATENCY_CAPTURE_PERIOD_SIZE;

		@@ -105,6 +108,37 @@ struct pcm_config pcm_config_audio_capture = {
		.format = PCM_FORMAT_S16_LE,
		};

		#define AFE_PROXY_CHANNEL_COUNT 2
		#define AFE_PROXY_SAMPLING_RATE 48000

		#define AFE_PROXY_PLAYBACK_PERIOD_SIZE 768
		#define AFE_PROXY_PLAYBACK_PERIOD_COUNT 4

		struct pcm_config pcm_config_afe_proxy_playback = {
		.channels = AFE_PROXY_CHANNEL_COUNT,
		.rate = AFE_PROXY_SAMPLING_RATE,
		.period_size = AFE_PROXY_PLAYBACK_PERIOD_SIZE,
		.period_count = AFE_PROXY_PLAYBACK_PERIOD_COUNT,
		.format = PCM_FORMAT_S16_LE,
		.start_threshold = AFE_PROXY_PLAYBACK_PERIOD_SIZE,
		.stop_threshold = INT_MAX,
		.avail_min = AFE_PROXY_PLAYBACK_PERIOD_SIZE,
		};

		#define AFE_PROXY_RECORD_PERIOD_SIZE 768
		#define AFE_PROXY_RECORD_PERIOD_COUNT 4

		struct pcm_config pcm_config_afe_proxy_record = {
		.channels = AFE_PROXY_CHANNEL_COUNT,
		.rate = AFE_PROXY_SAMPLING_RATE,
		.period_size = AFE_PROXY_RECORD_PERIOD_SIZE,
		.period_count = AFE_PROXY_RECORD_PERIOD_COUNT,
		.format = PCM_FORMAT_S16_LE,
		.start_threshold = AFE_PROXY_RECORD_PERIOD_SIZE,
		.stop_threshold = INT_MAX,
		.avail_min = AFE_PROXY_RECORD_PERIOD_SIZE,
		};

		const char * const use_case_table[AUDIO_USECASE_MAX] = {
		[USECASE_AUDIO_PLAYBACK_DEEP_BUFFER] = "deep-buffer-playback",
		[USECASE_AUDIO_PLAYBACK_LOW_LATENCY] = "low-latency-playback",
		@@ -122,6 +156,9 @@ const char * const use_case_table[AUDIO_USECASE_MAX] = {
		[USECASE_VOLTE_CALL] = "volte-call",
		[USECASE_QCHAT_CALL] = "qchat-call",
		[USECASE_VOWLAN_CALL] = "vowlan-call",

		[USECASE_AUDIO_PLAYBACK_AFE_PROXY] = "afe-proxy-playback",
		[USECASE_AUDIO_RECORD_AFE_PROXY] = "afe-proxy-record",
		};


		@@ -536,14 +573,14 @@ int select_devices(struct audio_device *adev,
		usecase->devices = usecase->stream.in->device;
		out_snd_device = SND_DEVICE_NONE;
		if (in_snd_device == SND_DEVICE_NONE) {
		audio_devices_t out_device = AUDIO_DEVICE_NONE;
		if (adev->active_input->source == AUDIO_SOURCE_VOICE_COMMUNICATION &&
		adev->primary_output && !adev->primary_output->standby) {
		in_snd_device = platform_get_input_snd_device(adev->platform,
		adev->primary_output->devices);
		} else {
		in_snd_device = platform_get_input_snd_device(adev->platform,
		AUDIO_DEVICE_NONE);
		out_device = adev->primary_output->devices;
		} else if (usecase->id == USECASE_AUDIO_RECORD_AFE_PROXY) {
		out_device = AUDIO_DEVICE_OUT_TELEPHONY_TX;
		}
		in_snd_device = platform_get_input_snd_device(adev->platform, out_device);
		}
		}
		}
		@@ -680,15 +717,34 @@ int start_input_stream(struct stream_in *in)

		ALOGV("%s: Opening PCM device card_id(%d) device_id(%d), channels %d",
		__func__, adev->snd_card, in->pcm_device_id, in->config.channels);

		unsigned int flags = PCM_IN;
		unsigned int pcm_open_retry_count = 0;

		if (in->usecase == USECASE_AUDIO_RECORD_AFE_PROXY) {
		flags \|= PCM_MMAP \| PCM_NOIRQ;
		pcm_open_retry_count = PROXY_OPEN_RETRY_COUNT;
		}

		while (1) {
		in->pcm = pcm_open(adev->snd_card, in->pcm_device_id,
		PCM_IN, &in->config);
		if (in->pcm && !pcm_is_ready(in->pcm)) {
		flags, &in->config);
		if (in->pcm == NULL \|\| !pcm_is_ready(in->pcm)) {
		ALOGE("%s: %s", __func__, pcm_get_error(in->pcm));
		if (in->pcm != NULL) {
		pcm_close(in->pcm);
		in->pcm = NULL;
		}
		if (pcm_open_retry_count-- == 0) {
		ret = -EIO;
		goto error_open;
		}
		usleep(PROXY_OPEN_WAIT_TIME * 1000);
		continue;
		}
		break;
		}

		ALOGV("%s: exit", __func__);
		return ret;

		@@ -992,15 +1048,32 @@ int start_output_stream(struct stream_out *out)
		ALOGV("%s: Opening PCM device card_id(%d) device_id(%d) format(%#x)",
		__func__, adev->snd_card, out->pcm_device_id, out->config.format);
		if (out->usecase != USECASE_AUDIO_PLAYBACK_OFFLOAD) {
		unsigned int flags = PCM_OUT;
		unsigned int pcm_open_retry_count = 0;
		if (out->usecase == USECASE_AUDIO_PLAYBACK_AFE_PROXY) {
		flags \|= PCM_MMAP \| PCM_NOIRQ;
		pcm_open_retry_count = PROXY_OPEN_RETRY_COUNT;
		} else
		flags \|= PCM_MONOTONIC;

		while (1) {
		out->pcm = pcm_open(adev->snd_card, out->pcm_device_id,
		PCM_OUT \| PCM_MONOTONIC, &out->config);
		if (out->pcm && !pcm_is_ready(out->pcm)) {
		flags, &out->config);
		if (out->pcm == NULL \|\| !pcm_is_ready(out->pcm)) {
		ALOGE("%s: %s", __func__, pcm_get_error(out->pcm));
		if (out->pcm != NULL) {
		pcm_close(out->pcm);
		out->pcm = NULL;
		}
		if (pcm_open_retry_count-- == 0) {
		ret = -EIO;
		goto error_open;
		}
		usleep(PROXY_OPEN_WAIT_TIME * 1000);
		continue;
		}
		break;
		}
		} else {
		out->pcm = NULL;
		out->compr = compress_open(adev->snd_card, out->pcm_device_id,
		@@ -1101,7 +1174,6 @@ static size_t out_get_buffer_size(const struct audio_stream *stream)
		if (out->usecase == USECASE_AUDIO_PLAYBACK_OFFLOAD) {
		return out->compr_config.fragment_size;
		}

		return out->config.period_size *
		audio_stream_out_frame_size((const struct audio_stream_out *)stream);
		}
		@@ -1196,6 +1268,10 @@ static int parse_compress_metadata(struct stream_out out, struct str_parms par
		return 0;
		}

		static bool output_drives_call(struct audio_device adev, struct stream_out out)
		{
		return out == adev->primary_output \|\| out == adev->voice_tx_output;
		}

		static int out_set_parameters(struct audio_stream stream, const char kvpairs)
		{
		@@ -1255,20 +1331,24 @@ static int out_set_parameters(struct audio_stream stream, const char kvpairs)
		select_devices(adev, out->usecase);

		if ((adev->mode == AUDIO_MODE_IN_CALL) &&
		!voice_is_in_call(adev) &&
		(out == adev->primary_output)) {
		ret = voice_start_call(adev);
		} else if ((adev->mode == AUDIO_MODE_IN_CALL) &&
		voice_is_in_call(adev) &&
		(out == adev->primary_output)) {
		output_drives_call(adev, out)) {

		if (adev->current_call_output != out) {
		voice_stop_call(adev);
		}
		if (!voice_is_in_call(adev)) {
		ret = voice_start_call(adev, out);
		adev->current_call_output = out;
		} else
		voice_update_devices_for_all_voice_usecases(adev);
		}
		}

		if ((adev->mode == AUDIO_MODE_NORMAL) &&
		voice_is_in_call(adev) &&
		(out == adev->primary_output)) {
		output_drives_call(adev, out)) {
		ret = voice_stop_call(adev);
		adev->current_call_output = NULL;
		}

		pthread_mutex_unlock(&adev->lock);
		@@ -1416,6 +1496,10 @@ static ssize_t out_write(struct audio_stream_out stream, const void buffer,
		if (out->muted)
		memset((void *)buffer, 0, bytes);
		ALOGVV("%s: writing buffer (%d bytes) to pcm device", __func__, bytes);
		if (out->usecase == USECASE_AUDIO_PLAYBACK_AFE_PROXY) {
		ret = pcm_mmap_write(out->pcm, (void *)buffer, bytes);
		}
		else
		ret = pcm_write(out->pcm, (void *)buffer, bytes);
		if (ret == 0)
		out->written += bytes / (out->config.channels * sizeof(short));
		@@ -1686,7 +1770,7 @@ static int in_set_parameters(struct audio_stream stream, const char kvpairs)

		if (ret >= 0) {
		val = atoi(value);
		if ((in->device != val) && (val != 0)) {
		if (((int)in->device != val) && (val != 0)) {
		in->device = val;
		/* If recording is in progress, change the tx device to new device */
		if (!in->standby)
		@@ -1732,6 +1816,9 @@ static ssize_t in_read(struct audio_stream_in stream, void buffer,
		}

		if (in->pcm) {
		if (in->usecase == USECASE_AUDIO_RECORD_AFE_PROXY) {
		ret = pcm_mmap_read(in->pcm, buffer, bytes);
		} else
		ret = pcm_read(in->pcm, buffer, bytes);
		}

		@@ -1907,6 +1994,28 @@ static int adev_open_output_stream(struct audio_hw_device *dev,
		ALOGV("%s: offloaded output offload_info version %04x bit rate %d",
		__func__, config->offload_info.version,
		config->offload_info.bit_rate);
		} else if (out->devices == AUDIO_DEVICE_OUT_TELEPHONY_TX) {
		if (config->sample_rate == 0)
		config->sample_rate = AFE_PROXY_SAMPLING_RATE;
		if (config->sample_rate != 48000 && config->sample_rate != 16000 &&
		config->sample_rate != 8000) {
		config->sample_rate = AFE_PROXY_SAMPLING_RATE;
		ret = -EINVAL;
		goto error_open;
		}
		out->sample_rate = config->sample_rate;
		out->config.rate = config->sample_rate;
		if (config->format == AUDIO_FORMAT_DEFAULT)
		config->format = AUDIO_FORMAT_PCM_16_BIT;
		if (config->format != AUDIO_FORMAT_PCM_16_BIT) {
		config->format = AUDIO_FORMAT_PCM_16_BIT;
		ret = -EINVAL;
		goto error_open;
		}
		out->format = config->format;
		out->usecase = USECASE_AUDIO_PLAYBACK_AFE_PROXY;
		out->config = pcm_config_afe_proxy_playback;
		adev->voice_tx_output = out;
		} else {
		if (out->flags & AUDIO_OUTPUT_FLAG_DEEP_BUFFER) {
		out->usecase = USECASE_AUDIO_PLAYBACK_DEEP_BUFFER;
		@@ -2215,6 +2324,7 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		struct stream_in *in;
		int ret = 0, buffer_size, frame_size;
		int channel_count = audio_channel_count_from_in_mask(config->channel_mask);
		bool is_low_latency = false;

		ALOGV("%s: enter", __func__);
		*stream_in = NULL;
		@@ -2248,8 +2358,27 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		in->channel_mask = config->channel_mask;

		/* Update config params with the requested sample rate and channels */
		if (in->device == AUDIO_DEVICE_IN_TELEPHONY_RX) {
		if (config->sample_rate == 0)
		config->sample_rate = AFE_PROXY_SAMPLING_RATE;
		if (config->sample_rate != 48000 && config->sample_rate != 16000 &&
		config->sample_rate != 8000) {
		config->sample_rate = AFE_PROXY_SAMPLING_RATE;
		ret = -EINVAL;
		goto err_open;
		}
		if (config->format == AUDIO_FORMAT_DEFAULT)
		config->format = AUDIO_FORMAT_PCM_16_BIT;
		if (config->format != AUDIO_FORMAT_PCM_16_BIT) {
		config->format = AUDIO_FORMAT_PCM_16_BIT;
		ret = -EINVAL;
		goto err_open;
		}

		in->usecase = USECASE_AUDIO_RECORD_AFE_PROXY;
		in->config = pcm_config_afe_proxy_record;
		} else {
		in->usecase = USECASE_AUDIO_RECORD;
		bool is_low_latency = false;
		if (config->sample_rate == LOW_LATENCY_CAPTURE_SAMPLE_RATE &&
		(flags & AUDIO_INPUT_FLAG_FAST) != 0) {
		is_low_latency = true;
		@@ -2258,8 +2387,6 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		#endif
		}
		in->config = pcm_config_audio_capture;
		in->config.channels = channel_count;
		in->config.rate = config->sample_rate;

		frame_size = audio_stream_in_frame_size(&in->stream);
		buffer_size = get_input_buffer_size(config->sample_rate,
		@@ -2267,6 +2394,10 @@ static int adev_open_input_stream(struct audio_hw_device *dev,
		channel_count,
		is_low_latency);
		in->config.period_size = buffer_size / frame_size;
		}
		in->config.channels = channel_count;
		in->config.rate = config->sample_rate;


		*stream_in = &in->stream;
		ALOGV("%s: exit", __func__);

hal/audio_hw.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -76,6 +76,10 @@ enum {
		USECASE_INCALL_REC_UPLINK,
		USECASE_INCALL_REC_DOWNLINK,
		USECASE_INCALL_REC_UPLINK_AND_DOWNLINK,

		USECASE_AUDIO_PLAYBACK_AFE_PROXY,
		USECASE_AUDIO_RECORD_AFE_PROXY,

		AUDIO_USECASE_MAX
		};

		@@ -157,7 +161,7 @@ struct stream_in {
		int standby;
		int source;
		int pcm_device_id;
		int device;
		audio_devices_t device;
		audio_channel_mask_t channel_mask;
		audio_usecase_t usecase;
		bool enable_aec;
		@@ -195,6 +199,8 @@ struct audio_device {
		audio_mode_t mode;
		struct stream_in *active_input;
		struct stream_out *primary_output;
		struct stream_out *voice_tx_output;
		struct stream_out *current_call_output;
		bool bluetooth_nrec;
		bool screen_off;
		int *snd_dev_ref_cnt;

hal/msm8960/platform.h

+4 −0

Original line number	Diff line number	Diff line
		@@ -120,4 +120,8 @@ enum {
		#define LOW_LATENCY_CAPTURE_PERIOD_SIZE 240
		#define LOW_LATENCY_CAPTURE_USE_CASE 0

		#define AFE_PROXY_PLAYBACK_PCM_DEVICE 7
		#define AFE_PROXY_RECORD_PCM_DEVICE 8


		#endif // QCOM_AUDIO_PLATFORM_H

hal/msm8974/platform.c

+19 −2

Original line number	Diff line number	Diff line
		@@ -115,6 +115,12 @@ static int pcm_device_table[AUDIO_USECASE_MAX][2] = {
		[USECASE_INCALL_REC_UPLINK_AND_DOWNLINK] = {AUDIO_RECORD_PCM_DEVICE,
		AUDIO_RECORD_PCM_DEVICE},
		[USECASE_AUDIO_HFP_SCO] = {HFP_PCM_RX, HFP_SCO_RX},

		[USECASE_AUDIO_PLAYBACK_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE,
		AFE_PROXY_RECORD_PCM_DEVICE},
		[USECASE_AUDIO_RECORD_AFE_PROXY] = {AFE_PROXY_PLAYBACK_PCM_DEVICE,
		AFE_PROXY_RECORD_PCM_DEVICE},

		};

		/* Array to store sound devices */
		@@ -140,6 +146,7 @@ static const char * const device_table[SND_DEVICE_MAX] = {
		[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = "voice-tty-full-headphones",
		[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = "voice-tty-vco-headphones",
		[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = "voice-tty-hco-handset",
		[SND_DEVICE_OUT_VOICE_TX] = "voice-tx",

		/* Capture sound devices */
		[SND_DEVICE_IN_HANDSET_MIC] = "handset-mic",
		@@ -183,6 +190,8 @@ static const char * const device_table[SND_DEVICE_MAX] = {
		[SND_DEVICE_IN_VOICE_REC_MIC_NS] = "voice-rec-mic",
		[SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = "voice-rec-dmic-ef",
		[SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = "voice-rec-dmic-ef-fluence",

		[SND_DEVICE_IN_VOICE_RX] = "voice-rx",
		};

		/* ACDB IDs (audio DSP path configuration IDs) for each sound device */
		@@ -207,6 +216,7 @@ static int acdb_device_table[SND_DEVICE_MAX] = {
		[SND_DEVICE_OUT_VOICE_TTY_FULL_HEADPHONES] = 17,
		[SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES] = 17,
		[SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET] = 37,
		[SND_DEVICE_OUT_VOICE_TX] = 45,

		[SND_DEVICE_IN_HANDSET_MIC] = 4,
		[SND_DEVICE_IN_HANDSET_MIC_AEC] = 106,
		@@ -249,6 +259,8 @@ static int acdb_device_table[SND_DEVICE_MAX] = {
		[SND_DEVICE_IN_VOICE_REC_MIC_NS] = 113,
		[SND_DEVICE_IN_VOICE_REC_DMIC_STEREO] = 35,
		[SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE] = 43,

		[SND_DEVICE_IN_VOICE_RX] = 44,
		};

		struct name_to_index {
		@@ -595,6 +607,8 @@ static void set_platform_defaults(struct platform_data * my_data)
		backend_table[SND_DEVICE_OUT_SPEAKER_AND_HDMI] = strdup("speaker-and-hdmi");
		backend_table[SND_DEVICE_OUT_BT_SCO_WB] = strdup("bt-sco-wb");
		backend_table[SND_DEVICE_IN_BT_SCO_MIC_WB] = strdup("bt-sco-wb");
		backend_table[SND_DEVICE_OUT_VOICE_TX] = strdup("afe-proxy");
		backend_table[SND_DEVICE_IN_VOICE_RX] = strdup("afe-proxy");

		if (my_data->ext_speaker) {
		backend_table[SND_DEVICE_OUT_SPEAKER] = strdup("speaker");
		@@ -1181,7 +1195,9 @@ snd_device_t platform_get_output_snd_device(void *platform, audio_devices_t devi
		snd_device = SND_DEVICE_OUT_VOICE_HANDSET_TMUS;
		else
		snd_device = SND_DEVICE_OUT_VOICE_HANDSET;
		}
		} else if (devices & AUDIO_DEVICE_OUT_TELEPHONY_TX)
		snd_device = SND_DEVICE_OUT_VOICE_TX;

		if (snd_device != SND_DEVICE_NONE) {
		goto exit;
		}
		@@ -1313,7 +1329,8 @@ snd_device_t platform_get_input_snd_device(void *platform, audio_devices_t out_d
		snd_device = SND_DEVICE_IN_VOICE_SPEAKER_MIC;
		set_echo_reference(adev, true);
		}
		}
		} else if (out_device & AUDIO_DEVICE_OUT_TELEPHONY_TX)
		snd_device = SND_DEVICE_IN_VOICE_RX;
		} else if (source == AUDIO_SOURCE_CAMCORDER) {
		if (in_device & AUDIO_DEVICE_IN_BUILTIN_MIC \|\|
		in_device & AUDIO_DEVICE_IN_BACK_MIC) {

hal/msm8974/platform.h

+6 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,7 @@ enum {
		SND_DEVICE_OUT_VOICE_TTY_VCO_HEADPHONES,
		SND_DEVICE_OUT_VOICE_TTY_HCO_HANDSET,
		SND_DEVICE_OUT_VOICE_HAC_HANDSET,
		SND_DEVICE_OUT_VOICE_TX,
		SND_DEVICE_OUT_END,

		/*
		@@ -105,6 +106,8 @@ enum {
		SND_DEVICE_IN_VOICE_REC_DMIC_STEREO,
		SND_DEVICE_IN_VOICE_REC_DMIC_FLUENCE,

		SND_DEVICE_IN_VOICE_RX,

		SND_DEVICE_IN_END,

		SND_DEVICE_MAX = SND_DEVICE_IN_END,
		@@ -179,6 +182,9 @@ enum {
		#define VOWLAN_CALL_PCM_DEVICE 36
		#endif

		#define AFE_PROXY_PLAYBACK_PCM_DEVICE 7
		#define AFE_PROXY_RECORD_PCM_DEVICE 8

		#define HFP_PCM_RX 5
		#ifdef PLATFORM_MSM8x26
		#define HFP_SCO_RX 28