linux-kernel - [PATCH 05/14] ASoC: q6dsp: audioreach: Add support to set compress params

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Message-ID: <20230201134947.1638197-6-quic_mohs@quicinc.com>
Date:   Wed, 1 Feb 2023 19:19:38 +0530
From:   Mohammad Rafi Shaik <quic_mohs@...cinc.com>
To:     <krzysztof.kozlowski+dt@...aro.org>, <agross@...nel.org>,
        <andersson@...nel.org>, <lgirdwood@...il.com>,
        <broonie@...nel.org>, <robh+dt@...nel.org>,
        <quic_plai@...cinc.com>, <bgoswami@...cinc.com>,
        <srinivas.kandagatla@...aro.org>, <quic_rohkumar@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-kernel@...r.kernel.org>, <swboyd@...omium.org>,
        <judyhsiao@...omium.org>, <devicetree@...r.kernel.org>,
        <konrad.dybcio@...aro.org>
CC:     Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Subject: [PATCH 05/14] ASoC: q6dsp: audioreach: Add support to set compress params

Add function for setting compress params to set the next track
parameters during gapless playback.

Signed-off-by: Mohammad Rafi Shaik <quic_mohs@...cinc.com>
Co-developed-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 sound/soc/qcom/qdsp6/audioreach.c | 51 +++++++++++++++++++++++++++++++
 sound/soc/qcom/qdsp6/audioreach.h |  1 +
 sound/soc/qcom/qdsp6/q6apm-dai.c  |  1 +
 3 files changed, 53 insertions(+)

diff --git a/sound/soc/qcom/qdsp6/audioreach.c b/sound/soc/qcom/qdsp6/audioreach.c
index a11bab69a676..a87df09d187f 100644
--- a/sound/soc/qcom/qdsp6/audioreach.c
+++ b/sound/soc/qcom/qdsp6/audioreach.c
@@ -1314,3 +1314,54 @@ int audioreach_enable_module(struct q6apm *apm, struct audioreach_module *module
 	return audioreach_send_u32_param(apm, module, PARAM_ID_MODULE_ENABLE, en);
 }
 EXPORT_SYMBOL_GPL(audioreach_enable_module);
+
+int audioreach_compr_set_param(struct q6apm_graph *graph, struct audioreach_module_config *mcfg)
+{
+	struct media_format *header;
+	struct gpr_pkt *pkt;
+	struct payload_media_fmt_pcm *cfg;
+	uint32_t num_channels = mcfg->num_channels;
+	int iid, payload_size, rc;
+	void *p;
+
+	payload_size = sizeof(struct apm_sh_module_media_fmt_cmd);
+
+	iid = q6apm_graph_get_rx_shmem_module_iid(graph);
+	pkt = audioreach_alloc_cmd_pkt(payload_size, DATA_CMD_WR_SH_MEM_EP_MEDIA_FORMAT,
+			0, graph->port->id, iid);
+
+	if (IS_ERR(pkt))
+		return -ENOMEM;
+
+	p = (void *)pkt + GPR_HDR_SIZE;
+	header = p;
+
+	if (mcfg->fmt == SND_AUDIOCODEC_PCM) {
+		header->data_format = DATA_FORMAT_FIXED_POINT;
+		header->fmt_id =  MEDIA_FMT_ID_PCM;
+		header->payload_size = sizeof(*cfg);
+
+		p = p + sizeof(*header);
+		cfg = p;
+		cfg->sample_rate = mcfg->sample_rate;
+		cfg->bit_width = mcfg->bit_width;
+		cfg->alignment = PCM_LSB_ALIGNED;
+		cfg->bits_per_sample = mcfg->bit_width;
+		cfg->q_factor = mcfg->bit_width - 1;
+		cfg->endianness = PCM_LITTLE_ENDIAN;
+		cfg->num_channels = mcfg->num_channels;
+
+		if (mcfg->num_channels == 1)
+			cfg->channel_mapping[0] =  PCM_CHANNEL_L;
+		else if (num_channels == 2) {
+			cfg->channel_mapping[0] =  PCM_CHANNEL_L;
+			cfg->channel_mapping[1] =  PCM_CHANNEL_R;
+		}
+	}
+
+	rc = gpr_send_port_pkt(graph->port, pkt);
+	kfree(pkt);
+
+	return rc;
+}
+EXPORT_SYMBOL_GPL(audioreach_compr_set_param);
diff --git a/sound/soc/qcom/qdsp6/audioreach.h b/sound/soc/qcom/qdsp6/audioreach.h
index 76dea97773cc..4c4bdff45cf1 100644
--- a/sound/soc/qcom/qdsp6/audioreach.h
+++ b/sound/soc/qcom/qdsp6/audioreach.h
@@ -786,4 +786,5 @@ int audioreach_remove_initial_silence(struct q6apm *apm, struct audioreach_modul
 				uint32_t initial_samples);
 int audioreach_remove_trailing_silence(struct q6apm *apm, struct audioreach_module *module,
 				uint32_t trailing_samples);
+int audioreach_compr_set_param(struct q6apm_graph *graph, struct audioreach_module_config *mcfg);
 #endif /* __AUDIOREACH_H__ */
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index ee59ef36b85a..8f5d744b3365 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -146,6 +146,7 @@ static int q6apm_dai_prepare(struct snd_soc_component *component,
 	cfg.sample_rate = runtime->rate;
 	cfg.num_channels = runtime->channels;
 	cfg.bit_width = prtd->bits_per_sample;
+	cfg.fmt = SND_AUDIOCODEC_PCM;
 
 	if (prtd->state) {
 		/* clear the previous setup if any  */
-- 
2.25.1