From: Yong Zhi <yong.zhi@xxxxxxxxx>
BT audio offload is internally configured with virtual GPIOs,
the port assignment is fixed on SSP2 for TGL/ADL platforms.
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Signed-off-by: Yong Zhi <yong.zhi@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/intel/boards/sof_rt5682.c | 42 +++++++++++++++++++++++++++++
1 file changed, 42 insertions(+)
diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index 58548ea0d915..5e8f1022a21a 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -50,6 +50,13 @@
#define SOF_MAX98373_SPEAKER_AMP_PRESENT BIT(17)
#define SOF_MAX98360A_SPEAKER_AMP_PRESENT BIT(18)
+/* BT audio offload: reserve 3 bits for future */
+#define SOF_BT_OFFLOAD_SSP_SHIFT 19
+#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(21, 19))
+#define SOF_BT_OFFLOAD_SSP(quirk) \
+ (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK)
+#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(22)
+
/* Default: MCLK on, MCLK 19.2M, SSP0 */
static unsigned long sof_rt5682_quirk = SOF_RT5682_MCLK_EN |
SOF_RT5682_SSP_CODEC(0);
@@ -591,6 +598,13 @@ static struct snd_soc_dai_link_component rt1015_components[] = {
},
};
+static struct snd_soc_dai_link_component dummy_component[] = {
+ {
+ .name = "snd-soc-dummy",
+ .dai_name = "snd-soc-dummy-dai",
+ }
+};
+
static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
int ssp_codec,
int ssp_amp,
@@ -780,6 +794,31 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
if (!links[id].cpus->dai_name)
goto devm_err;
}
+ id++;
+ }
+
+ /* BT audio offload */
+ if (sof_rt5682_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
+ int port = (sof_rt5682_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
+ SOF_BT_OFFLOAD_SSP_SHIFT;
+
+ links[id].id = id;
+ links[id].cpus = &cpus[id];
+ links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
+ "SSP%d Pin", port);
+ if (!links[id].cpus->dai_name)
+ goto devm_err;
+ links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
+ if (!links[id].name)
+ goto devm_err;
+ 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].num_cpus = 1;
}
return links;
@@ -869,6 +908,9 @@ static int sof_audio_probe(struct platform_device *pdev)
else if (sof_rt5682_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT)
sof_rt1015p_codec_conf(&sof_audio_card_rt5682);
+ if (sof_rt5682_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
+ sof_audio_card_rt5682.num_links++;
+
dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
dmic_be_num, hdmi_num);
if (!dai_links)
--
2.25.1
