Merge "asoc: Add effects controls in loopback driver" (b578346c) · Commits · e / devices / android_kernel_oneplus_sm8150

asoc/msm-transcode-loopback-q6-v2.c

+281 −1

Original line number	Diff line number	Diff line
		@@ -25,6 +25,7 @@
		#include <sound/pcm.h>
		#include <sound/initval.h>
		#include <sound/control.h>
		#include <sound/audio_effects.h>
		#include <sound/pcm_params.h>
		#include <sound/timer.h>
		#include <sound/tlv.h>
		@@ -35,6 +36,7 @@
		#include <dsp/apr_audio-v2.h>
		#include <dsp/q6asm-v2.h>
		#include <dsp/q6audio-v2.h>
		#include <dsp/msm-audio-effects-q6-v2.h>

		#include "msm-pcm-routing-v2.h"
		#include "msm-qti-pp-config.h"
		@@ -50,10 +52,20 @@

		static DEFINE_MUTEX(transcode_loopback_session_lock);

		struct msm_transcode_audio_effects {
		struct bass_boost_params bass_boost;
		struct pbe_params pbe;
		struct virtualizer_params virtualizer;
		struct reverb_params reverb;
		struct eq_params equalizer;
		struct soft_volume_params volume;
		};

		struct trans_loopback_pdata {
		struct snd_compr_stream *cstream[MSM_FRONTEND_DAI_MAX];
		uint32_t master_gain;
		int perf_mode;
		struct msm_transcode_audio_effects *audio_effects[MSM_FRONTEND_DAI_MAX];
		};

		struct loopback_stream {
		@@ -204,6 +216,13 @@ static int msm_transcode_loopback_open(struct snd_compr_stream *cstream)
		rtd = snd_pcm_substream_chip(cstream);
		pdata = snd_soc_platform_get_drvdata(rtd->platform);
		pdata->cstream[rtd->dai_link->id] = cstream;
		pdata->audio_effects[rtd->dai_link->id] =
		kzalloc(sizeof(struct msm_transcode_audio_effects), GFP_KERNEL);

		if (pdata->audio_effects[rtd->dai_link->id] == NULL) {
		ret = -ENOMEM;
		goto effect_error;
		}

		mutex_lock(&trans->lock);
		if (trans->num_streams > LOOPBACK_SESSION_MAX_NUM_STREAMS) {
		@@ -250,6 +269,11 @@ static int msm_transcode_loopback_open(struct snd_compr_stream *cstream)

		exit:
		mutex_unlock(&trans->lock);
		if ((pdata->audio_effects[rtd->dai_link->id] != NULL) && (ret < 0)) {
		kfree(pdata->audio_effects[rtd->dai_link->id]);
		pdata->audio_effects[rtd->dai_link->id] = NULL;
		}
		effect_error:
		return ret;
		}

		@@ -283,10 +307,18 @@ static int msm_transcode_loopback_free(struct snd_compr_stream *cstream)
		struct snd_compr_runtime *runtime = cstream->runtime;
		struct msm_transcode_loopback *trans = runtime->private_data;
		struct snd_soc_pcm_runtime *rtd = snd_pcm_substream_chip(cstream);
		struct trans_loopback_pdata *pdata;
		int ret = 0;

		pdata = snd_soc_platform_get_drvdata(rtd->platform);

		mutex_lock(&trans->lock);

		if (pdata->audio_effects[rtd->dai_link->id] != NULL) {
		kfree(pdata->audio_effects[rtd->dai_link->id]);
		pdata->audio_effects[rtd->dai_link->id] = NULL;
		}

		pr_debug("%s: Transcode loopback end:%d, streams %d\n", __func__,
		cstream->direction, trans->num_streams);
		trans->num_streams--;
		@@ -338,6 +370,39 @@ static int msm_transcode_loopback_trigger(struct snd_compr_stream *cstream,
		return 0;
		}

		static int msm_transcode_set_render_window(struct audio_client *ac,
		uint32_t ws_lsw, uint32_t ws_msw,
		uint32_t we_lsw, uint32_t we_msw)
		{
		int ret = -EINVAL;
		struct asm_session_mtmx_strtr_param_window_v2_t asm_mtmx_strtr_window;
		uint32_t param_id;

		pr_debug("%s, ws_lsw 0x%x ws_msw 0x%x we_lsw 0x%x we_msw 0x%x\n",
		__func__, ws_lsw, ws_msw, we_lsw, we_msw);

		memset(&asm_mtmx_strtr_window, 0,
		sizeof(struct asm_session_mtmx_strtr_param_window_v2_t));
		asm_mtmx_strtr_window.window_lsw = ws_lsw;
		asm_mtmx_strtr_window.window_msw = ws_msw;
		param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_START_V2;
		ret = q6asm_send_mtmx_strtr_window(ac, &asm_mtmx_strtr_window, param_id);
		if (ret) {
		pr_err("%s, start window can't be set error %d\n", __func__, ret);
		goto exit;
		}

		asm_mtmx_strtr_window.window_lsw = we_lsw;
		asm_mtmx_strtr_window.window_msw = we_msw;
		param_id = ASM_SESSION_MTMX_STRTR_PARAM_RENDER_WINDOW_END_V2;
		ret = q6asm_send_mtmx_strtr_window(ac, &asm_mtmx_strtr_window, param_id);
		if (ret)
		pr_err("%s, end window can't be set error %d\n", __func__, ret);

		exit:
		return ret;
		}

		static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream,
		struct snd_compr_params *codec_param)
		{
		@@ -512,6 +577,8 @@ static int msm_transcode_loopback_set_metadata(struct snd_compr_stream *cstream,
		{
		struct snd_soc_pcm_runtime *rtd;
		struct trans_loopback_pdata *pdata;
		struct msm_transcode_loopback *prtd = NULL;
		struct audio_client *ac = NULL;

		if (!metadata \|\| !cstream) {
		pr_err("%s: Invalid arguments\n", __func__);
		@@ -521,6 +588,15 @@ static int msm_transcode_loopback_set_metadata(struct snd_compr_stream *cstream,
		rtd = snd_pcm_substream_chip(cstream);
		pdata = snd_soc_platform_get_drvdata(rtd->platform);

		prtd = cstream->runtime->private_data;

		if (!prtd \|\| !prtd->audio_client) {
		pr_err("%s: prtd or audio client is NULL\n", __func__);
		return -EINVAL;
		}

		ac = prtd->audio_client;

		switch (metadata->key) {
		case SNDRV_COMPRESS_LATENCY_MODE:
		{
		@@ -537,8 +613,17 @@ static int msm_transcode_loopback_set_metadata(struct snd_compr_stream *cstream,
		pdata->perf_mode = LEGACY_PCM_MODE;
		break;
		}
		}
		break;
		}
		case SNDRV_COMPRESS_RENDER_WINDOW:
		{
		return msm_transcode_set_render_window(
		ac,
		metadata->value[0],
		metadata->value[1],
		metadata->value[2],
		metadata->value[3]);
		}
		default:
		pr_debug("%s: Unsupported metadata %d\n",
		__func__, metadata->key);
		@@ -852,6 +937,192 @@ static int msm_transcode_volume_get(struct snd_kcontrol *kcontrol,
		return 0;
		}

		static int msm_transcode_audio_effects_config_info(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_info *uinfo)
		{
		uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
		uinfo->count = MAX_PP_PARAMS_SZ;
		uinfo->value.integer.min = 0;
		uinfo->value.integer.max = 0xFFFFFFFF;
		return 0;
		}

		static int msm_transcode_audio_effects_config_get(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol);
		unsigned long fe_id = kcontrol->private_value;
		struct trans_loopback_pdata pdata = (struct trans_loopback_pdata )
		snd_soc_component_get_drvdata(comp);
		struct msm_transcode_audio_effects *audio_effects = NULL;
		struct snd_compr_stream *cstream = NULL;

		pr_debug("%s: fe_id: %lu\n", __func__, fe_id);
		if (fe_id >= MSM_FRONTEND_DAI_MAX) {
		pr_err("%s Received out of bounds fe_id %lu\n",
		__func__, fe_id);
		return -EINVAL;
		}
		cstream = pdata->cstream[fe_id];
		audio_effects = pdata->audio_effects[fe_id];
		if (!cstream \|\| !audio_effects) {
		pr_err("%s: stream or effects inactive\n", __func__);
		return -EINVAL;
		}

		return 0;
		}

		static int msm_transcode_audio_effects_config_put(struct snd_kcontrol *kcontrol,
		struct snd_ctl_elem_value *ucontrol)
		{
		struct snd_soc_component *comp = snd_kcontrol_chip(kcontrol);
		unsigned long fe_id = kcontrol->private_value;
		struct trans_loopback_pdata pdata = (struct trans_loopback_pdata )
		snd_soc_component_get_drvdata(comp);
		struct msm_transcode_audio_effects *audio_effects = NULL;
		struct snd_compr_stream *cstream = NULL;
		struct msm_transcode_loopback *prtd = NULL;
		long *values = &(ucontrol->value.integer.value[0]);
		int effects_module;
		int ret = 0;

		pr_debug("%s: fe_id: %lu\n", __func__, fe_id);
		if (fe_id >= MSM_FRONTEND_DAI_MAX) {
		pr_err("%s Received out of bounds fe_id %lu\n",
		__func__, fe_id);
		ret = -EINVAL;
		goto exit;
		}
		cstream = pdata->cstream[fe_id];
		audio_effects = pdata->audio_effects[fe_id];
		if (!cstream \|\| !audio_effects) {
		pr_err("%s: stream or effects inactive\n", __func__);
		ret = -EINVAL;
		goto exit;
		}
		prtd = cstream->runtime->private_data;
		if (!prtd) {
		pr_err("%s: cannot set audio effects\n", __func__);
		ret = -EINVAL;
		goto exit;
		}

		effects_module = *values++;
		switch (effects_module) {
		case VIRTUALIZER_MODULE:
		pr_debug("%s: VIRTUALIZER_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_virtualizer_handler(
		prtd->audio_client,
		&(audio_effects->virtualizer),
		values);
		break;
		case REVERB_MODULE:
		pr_debug("%s: REVERB_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_reverb_handler(prtd->audio_client,
		&(audio_effects->reverb),
		values);
		break;
		case BASS_BOOST_MODULE:
		pr_debug("%s: BASS_BOOST_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_bass_boost_handler(prtd->audio_client,
		&(audio_effects->bass_boost),
		values);
		break;
		case PBE_MODULE:
		pr_debug("%s: PBE_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_pbe_handler(prtd->audio_client,
		&(audio_effects->pbe),
		values);
		break;
		case EQ_MODULE:
		pr_debug("%s: EQ_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_popless_eq_handler(prtd->audio_client,
		&(audio_effects->equalizer),
		values);
		break;
		case SOFT_VOLUME_MODULE:
		pr_debug("%s: SOFT_VOLUME_MODULE\n", __func__);
		break;
		case SOFT_VOLUME2_MODULE:
		pr_debug("%s: SOFT_VOLUME2_MODULE\n", __func__);
		if (msm_audio_effects_is_effmodule_supp_in_top(effects_module,
		prtd->audio_client->topology))
		ret = msm_audio_effects_volume_handler_v2(prtd->audio_client,
		&(audio_effects->volume),
		values, SOFT_VOLUME_INSTANCE_2);
		break;
		default:
		pr_err("%s Invalid effects config module\n", __func__);
		ret = -EINVAL;
		}

		exit:
		return ret;
		}

		static int msm_transcode_add_audio_effects_control(struct snd_soc_pcm_runtime *rtd)
		{
		const char *mixer_ctl_name = "Audio Effects Config";
		const char *deviceNo = "NN";
		char *mixer_str = NULL;
		int ctl_len = 0;
		int ret = 0;
		struct snd_kcontrol_new fe_audio_effects_config_control[1] = {
		{
		.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
		.name = "?",
		.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
		.info = msm_transcode_audio_effects_config_info,
		.get = msm_transcode_audio_effects_config_get,
		.put = msm_transcode_audio_effects_config_put,
		.private_value = 0,
		}
		};

		if (!rtd) {
		pr_err("%s NULL rtd\n", __func__);
		ret = -EINVAL;
		goto done;
		}

		pr_debug("%s: added new compr FE with name %s, id %d, cpu dai %s, device no %d\n", __func__,
		rtd->dai_link->name, rtd->dai_link->id,
		rtd->dai_link->cpu_dai_name, rtd->pcm->device);

		ctl_len = strlen(mixer_ctl_name) + 1 + strlen(deviceNo) + 1;
		mixer_str = kzalloc(ctl_len, GFP_KERNEL);

		if (!mixer_str) {
		ret = -ENOMEM;
		goto done;
		}

		snprintf(mixer_str, ctl_len, "%s %d", mixer_ctl_name, rtd->pcm->device);

		fe_audio_effects_config_control[0].name = mixer_str;
		fe_audio_effects_config_control[0].private_value = rtd->dai_link->id;
		ret = snd_soc_add_platform_controls(rtd->platform,
		fe_audio_effects_config_control,
		ARRAY_SIZE(fe_audio_effects_config_control));
		if (ret < 0)
		pr_err("%s: failed to add ctl %s. err = %d\n", __func__, mixer_str, ret);

		kfree(mixer_str);
		done:
		return ret;
		}

		static int msm_transcode_stream_cmd_control(
		struct snd_soc_pcm_runtime *rtd)
		{
		@@ -1147,6 +1418,11 @@ static int msm_transcode_loopback_new(struct snd_soc_pcm_runtime *rtd)
		{
		int rc;

		rc = msm_transcode_add_audio_effects_control(rtd);
		if (rc)
		pr_err("%s: Could not add Compr Audio Effects Control\n",
		__func__);

		rc = msm_transcode_stream_cmd_control(rtd);
		if (rc)
		pr_err("%s: ADSP Stream Cmd Control open failed\n", __func__);
		@@ -1192,6 +1468,7 @@ static struct snd_compr_ops msm_transcode_loopback_ops = {
		static int msm_transcode_loopback_probe(struct snd_soc_platform *platform)
		{
		struct trans_loopback_pdata *pdata = NULL;
		int i;

		pr_debug("%s\n", __func__);
		pdata = (struct trans_loopback_pdata *)
		@@ -1201,6 +1478,9 @@ static int msm_transcode_loopback_probe(struct snd_soc_platform *platform)
		return -ENOMEM;

		pdata->perf_mode = LOW_LATENCY_PCM_MODE;
		for (i = 0; i < MSM_FRONTEND_DAI_MAX; i++)
		pdata->audio_effects[i] = NULL;

		snd_soc_platform_set_drvdata(platform, pdata);
		return 0;
		}