From: Yong Zhi yong.zhi@intel.com
This patch enables BT offload feature on TGL Volteer reference design.
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_sdw.c | 32 ++++++++++++++++++++++++- sound/soc/intel/boards/sof_sdw_common.h | 7 ++++++ 2 files changed, 38 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c index d65e29ab70c3..9b32d729cc72 100644 --- a/sound/soc/intel/boards/sof_sdw.c +++ b/sound/soc/intel/boards/sof_sdw.c @@ -147,7 +147,9 @@ static const struct dmi_system_id sof_sdw_quirk_table[] = { }, .driver_data = (void *)(SOF_SDW_TGL_HDMI | SOF_SDW_PCH_DMIC | - SOF_SDW_FOUR_SPK), + SOF_SDW_FOUR_SPK | + SOF_BT_OFFLOAD_SSP(2) | + SOF_SSP_BT_OFFLOAD_PRESENT), }, { .callback = sof_sdw_quirk_cb, @@ -977,6 +979,9 @@ static int sof_card_dai_links_create(struct device *dev, dmic_num = (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num) ? 2 : 0; comp_num += dmic_num;
+ if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) + comp_num++; + dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d", sdw_be_num, ssp_num, dmic_num, ctx->idisp_codec ? hdmi_num : 0);
@@ -1162,6 +1167,31 @@ static int sof_card_dai_links_create(struct device *dev, INC_ID(be_id, cpu_id, link_id); }
+ if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) { + int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >> + SOF_BT_OFFLOAD_SSP_SHIFT; + + name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port); + if (!name) + return -ENOMEM; + + ssp_components = devm_kzalloc(dev, sizeof(*ssp_components), + GFP_KERNEL); + if (!ssp_components) + return -ENOMEM; + + ssp_components->name = "snd-soc-dummy"; + ssp_components->dai_name = "snd-soc-dummy-dai"; + + cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port); + if (!cpu_name) + return -ENOMEM; + + cpus[cpu_id].dai_name = cpu_name; + init_dai_link(dev, links + link_id, be_id, name, 1, 1, + cpus + cpu_id, 1, ssp_components, 1, NULL, NULL); + } + card->dai_link = links; card->num_links = num_links;
diff --git a/sound/soc/intel/boards/sof_sdw_common.h b/sound/soc/intel/boards/sof_sdw_common.h index ea60e8ed215c..37ae3a19fa49 100644 --- a/sound/soc/intel/boards/sof_sdw_common.h +++ b/sound/soc/intel/boards/sof_sdw_common.h @@ -50,6 +50,13 @@ enum { #define SOF_RT715_DAI_ID_FIX BIT(11) #define SOF_SDW_NO_AGGREGATION BIT(12)
+/* BT audio offload: reserve 3 bits for future */ +#define SOF_BT_OFFLOAD_SSP_SHIFT 13 +#define SOF_BT_OFFLOAD_SSP_MASK (GENMASK(15, 13)) +#define SOF_BT_OFFLOAD_SSP(quirk) \ + (((quirk) << SOF_BT_OFFLOAD_SSP_SHIFT) & SOF_BT_OFFLOAD_SSP_MASK) +#define SOF_SSP_BT_OFFLOAD_PRESENT BIT(16) + struct sof_sdw_codec_info { const int part_id; const int version_id;