linux-kernel - [PATCH 4/7] ASoC: amd: acp: Add new cpu dai and dailink creation for I2S BT instance

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Date:   Wed, 6 Dec 2023 16:36:15 +0530
From:   Venkata Prasad Potturu <venkataprasad.potturu@....com>
To:     <broonie@...nel.org>, <alsa-devel@...a-project.org>
CC:     <Vijendar.Mukunda@....com>, <Basavaraj.Hiregoudar@....com>,
        <Sunil-kumar.Dommati@....com>, <syed.sabakareem@....com>,
        "Venkata Prasad Potturu" <venkataprasad.potturu@....com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "Alper Nebi Yasak" <alpernebiyasak@...il.com>,
        Syed Saba Kareem <Syed.SabaKareem@....com>,
        Peter Ujfalusi <peter.ujfalusi@...ux.intel.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        Marian Postevca <posteuca@...ex.one>,
        "open list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <linux-sound@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH 4/7] ASoC: amd: acp: Add new cpu dai and dailink creation for I2S BT instance

Add sof_bt cpu id and create dailink for i2s bt instance in
acp common machine driver.

Signed-off-by: Venkata Prasad Potturu <venkataprasad.potturu@....com>
---
 sound/soc/amd/acp/acp-mach-common.c | 25 ++++++++++++++++++++++++-
 sound/soc/amd/acp/acp-mach.h        |  3 +++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/sound/soc/amd/acp/acp-mach-common.c b/sound/soc/amd/acp/acp-mach-common.c
index 34b14f2611ba..4631af028f15 100644
--- a/sound/soc/amd/acp/acp-mach-common.c
+++ b/sound/soc/amd/acp/acp-mach-common.c
@@ -3,7 +3,7 @@
 // This file is provided under a dual BSD/GPLv2 license. When using or
 // redistributing this file, you may do so under either license.
 //
-// Copyright(c) 2021 Advanced Micro Devices, Inc.
+// Copyright(c) 2021, 2023 Advanced Micro Devices, Inc.
 //
 // Authors: Ajit Kumar Pandey <AjitKumar.Pandey@....com>
 //	    Vijendar Mukunda <Vijendar.Mukunda@....com>
@@ -1290,6 +1290,8 @@ SND_SOC_DAILINK_DEF(sof_hs,
 		    DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-hs")));
 SND_SOC_DAILINK_DEF(sof_hs_virtual,
 	DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-hs-virtual")));
+SND_SOC_DAILINK_DEF(sof_bt,
+		    DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-bt")));
 SND_SOC_DAILINK_DEF(sof_dmic,
 	DAILINK_COMP_ARRAY(COMP_CPU("acp-sof-dmic")));
 SND_SOC_DAILINK_DEF(pdm_dmic,
@@ -1348,6 +1350,8 @@ int acp_sofdsp_dai_links_create(struct snd_soc_card *card)
 
 	if (drv_data->hs_cpu_id)
 		num_links++;
+	if (drv_data->bt_cpu_id)
+		num_links++;
 	if (drv_data->amp_cpu_id)
 		num_links++;
 	if (drv_data->dmic_cpu_id)
@@ -1497,6 +1501,25 @@ int acp_sofdsp_dai_links_create(struct snd_soc_card *card)
 		i++;
 	}
 
+	if (drv_data->bt_cpu_id == I2S_BT) {
+		links[i].name = "acp-bt-codec";
+		links[i].id = BT_BE_ID;
+		links[i].cpus = sof_bt;
+		links[i].num_cpus = ARRAY_SIZE(sof_bt);
+		links[i].platforms = sof_component;
+		links[i].num_platforms = ARRAY_SIZE(sof_component);
+		links[i].dpcm_playback = 1;
+		links[i].dpcm_capture = 1;
+		links[i].nonatomic = true;
+		links[i].no_pcm = 1;
+		if (!drv_data->bt_codec_id) {
+			/* Use dummy codec if codec id not specified */
+			links[i].codecs = &snd_soc_dummy_dlc;
+			links[i].num_codecs = 1;
+		}
+		i++;
+	}
+
 	if (drv_data->dmic_cpu_id == DMIC) {
 		links[i].name = "acp-dmic-codec";
 		links[i].id = DMIC_BE_ID;
diff --git a/sound/soc/amd/acp/acp-mach.h b/sound/soc/amd/acp/acp-mach.h
index cd681101bea7..a48546d8d407 100644
--- a/sound/soc/amd/acp/acp-mach.h
+++ b/sound/soc/amd/acp/acp-mach.h
@@ -28,6 +28,7 @@ enum be_id {
 	HEADSET_BE_ID = 0,
 	AMP_BE_ID,
 	DMIC_BE_ID,
+	BT_BE_ID,
 };
 
 enum cpu_endpoints {
@@ -68,9 +69,11 @@ struct acp_mach_ops {
 struct acp_card_drvdata {
 	unsigned int hs_cpu_id;
 	unsigned int amp_cpu_id;
+	unsigned int bt_cpu_id;
 	unsigned int dmic_cpu_id;
 	unsigned int hs_codec_id;
 	unsigned int amp_codec_id;
+	unsigned int bt_codec_id;
 	unsigned int dmic_codec_id;
 	unsigned int dai_fmt;
 	unsigned int platform;
-- 
2.25.1