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-rw-r--r--sound/soc/intel/boards/sof_cs42l42.c75
1 files changed, 71 insertions, 4 deletions
diff --git a/sound/soc/intel/boards/sof_cs42l42.c b/sound/soc/intel/boards/sof_cs42l42.c
index a1a14d6d7c23..3d53bb420c66 100644
--- a/sound/soc/intel/boards/sof_cs42l42.c
+++ b/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 @@ devm_err:
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;