ASoC: Intel: sof_cs42l42: adding support for ADL configuration and BT offload

Merge series from Brent Lu <brent.lu@intel.com>:

1. Add BT offload fetch to cs42l42 machine driver
2. Support cs42l42+max98360a on ADL platform

sound/soc/intel/boards/sof_cs42l42.c

@@ -41,8 +41,13 @@
 #define SOF_CS42L42_DAILINK_MASK		(GENMASK(24, 10))
 #define SOF_CS42L42_DAILINK(link1, link2, link3, link4, link5) \
 	((((link1) | ((link2) << 3) | ((link3) << 6) | ((link4) << 9) | ((link5) << 12)) << SOF_CS42L42_DAILINK_SHIFT) & SOF_CS42L42_DAILINK_MASK)
-#define SOF_MAX98357A_SPEAKER_AMP_PRESENT	BIT(25)
-#define SOF_MAX98360A_SPEAKER_AMP_PRESENT	BIT(26)
+#define SOF_BT_OFFLOAD_PRESENT			BIT(25)
+#define SOF_CS42L42_SSP_BT_SHIFT		26
+#define SOF_CS42L42_SSP_BT_MASK			(GENMASK(28, 26))
+#define SOF_CS42L42_SSP_BT(quirk)	\
+	(((quirk) << SOF_CS42L42_SSP_BT_SHIFT) & SOF_CS42L42_SSP_BT_MASK)
+#define SOF_MAX98357A_SPEAKER_AMP_PRESENT	BIT(29)
+#define SOF_MAX98360A_SPEAKER_AMP_PRESENT	BIT(30)
 
 enum {
 	LINK_NONE = 0,
@@ -50,6 +55,7 @@ enum {
 	LINK_SPK = 2,
 	LINK_DMIC = 3,
 	LINK_HDMI = 4,
+	LINK_BT = 5,
 };
 
 static struct snd_soc_jack_pin jack_pins[] = {
@@ -290,6 +296,13 @@ static struct snd_soc_dai_link_component dmic_component[] = {
 	}
 };
 
+static struct snd_soc_dai_link_component dummy_component[] = {
+	{
+		.name = "snd-soc-dummy",
+		.dai_name = "snd-soc-dummy-dai",
+	}
+};
+
 static int create_spk_amp_dai_links(struct device *dev,
 				    struct snd_soc_dai_link *links,
 				    struct snd_soc_dai_link_component *cpus,
@@ -479,9 +492,50 @@ static int create_hdmi_dai_links(struct device *dev,
 	return -ENOMEM;
 }
 
+static int create_bt_offload_dai_links(struct device *dev,
+				       struct snd_soc_dai_link *links,
+				       struct snd_soc_dai_link_component *cpus,
+				       int *id, int ssp_bt)
+{
+	/* bt offload */
+	if (!(sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT))
+		return 0;
+
+	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT",
+					 ssp_bt);
+	if (!links[*id].name)
+		goto devm_err;
+
+	links[*id].id = *id;
+	links[*id].codecs = dummy_component;
+	links[*id].num_codecs = ARRAY_SIZE(dummy_component);
+	links[*id].platforms = platform_component;
+	links[*id].num_platforms = ARRAY_SIZE(platform_component);
+
+	links[*id].dpcm_playback = 1;
+	links[*id].dpcm_capture = 1;
+	links[*id].no_pcm = 1;
+	links[*id].cpus = &cpus[*id];
+	links[*id].num_cpus = 1;
+
+	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
+						   "SSP%d Pin",
+						   ssp_bt);
+	if (!links[*id].cpus->dai_name)
+		goto devm_err;
+
+	(*id)++;
+
+	return 0;
+
+devm_err:
+	return -ENOMEM;
+}
+
 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 							  int ssp_codec,
 							  int ssp_amp,
+							  int ssp_bt,
 							  int dmic_be_num,
 							  int hdmi_num)
 {
@@ -534,6 +588,14 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
 				goto devm_err;
 			}
 			break;
+		case LINK_BT:
+			ret = create_bt_offload_dai_links(dev, links, cpus, &id, ssp_bt);
+			if (ret < 0) {
+				dev_err(dev, "fail to create bt offload dai links, ret %d\n",
+					ret);
+				goto devm_err;
+			}
+			break;
 		case LINK_NONE:
 			/* caught here if it's not used as terminator in macro */
 		default:
@@ -555,7 +617,7 @@ static int sof_audio_probe(struct platform_device *pdev)
 	struct snd_soc_acpi_mach *mach;
 	struct sof_card_private *ctx;
 	int dmic_be_num, hdmi_num;
-	int ret, ssp_amp, ssp_codec;
+	int ret, ssp_bt, ssp_amp, ssp_codec;
 
 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
@@ -580,6 +642,9 @@ static int sof_audio_probe(struct platform_device *pdev)
 
 	dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk);
 
+	ssp_bt = (sof_cs42l42_quirk & SOF_CS42L42_SSP_BT_MASK) >>
+			SOF_CS42L42_SSP_BT_SHIFT;
+
 	ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >>
 			SOF_CS42L42_SSP_AMP_SHIFT;
 
@@ -590,9 +655,11 @@ static int sof_audio_probe(struct platform_device *pdev)
 
 	if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT)
 		sof_audio_card_cs42l42.num_links++;
+	if (sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT)
+		sof_audio_card_cs42l42.num_links++;
 
 	dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
-					      dmic_be_num, hdmi_num);
+					      ssp_bt, dmic_be_num, hdmi_num);
 	if (!dai_links)
 		return -ENOMEM;
 
@@ -633,6 +700,17 @@ static const struct platform_device_id board_ids[] = {
 					SOF_CS42L42_SSP_AMP(1)) |
 					SOF_CS42L42_DAILINK(LINK_HP, LINK_DMIC, LINK_HDMI, LINK_SPK, LINK_NONE),
 	},
+	{
+		.name = "adl_mx98360a_cs4242",
+		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) |
+				SOF_SPEAKER_AMP_PRESENT |
+				SOF_MAX98360A_SPEAKER_AMP_PRESENT |
+				SOF_CS42L42_SSP_AMP(1) |
+				SOF_CS42L42_NUM_HDMIDEV(4) |
+				SOF_BT_OFFLOAD_PRESENT |
+				SOF_CS42L42_SSP_BT(2) |
+				SOF_CS42L42_DAILINK(LINK_HP, LINK_DMIC, LINK_HDMI, LINK_SPK, LINK_BT)),
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(platform, board_ids);

sound/soc/intel/common/soc-acpi-intel-adl-match.c

@@ -479,6 +479,13 @@ struct snd_soc_acpi_mach snd_soc_acpi_intel_adl_machines[] = {
 		.drv_name = "adl_rt5682",
 		.sof_tplg_filename = "sof-adl-rt5682.tplg",
 	},
+	{
+		.id = "10134242",
+		.drv_name = "adl_mx98360a_cs4242",
+		.machine_quirk = snd_soc_acpi_codec_list,
+		.quirk_data = &adl_max98360a_amp,
+		.sof_tplg_filename = "sof-adl-max98360a-cs42l42.tplg",
+	},
 	/* place amp-only boards in the end of table */
 	{
 		.id = "CSC3541",