From: Yong Zhi yong.zhi@intel.com
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@linux.intel.com Signed-off-by: Yong Zhi yong.zhi@intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- 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)