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authorYong Zhi <yong.zhi@intel.com>2021-05-05 11:36:59 -0500
committerMark Brown <broonie@kernel.org>2021-05-10 13:04:20 +0100
commit19f1eace04412a10268532091d5c316a13aab90a (patch)
tree65872eaefe5c3a3881d76400bc5e1a276db0a0b2 /sound/soc/intel
parent9c5046e4b3e736eec5b9a8f1d59c07bb0ed78a7a (diff)
ASoC: Intel: sof_sdw: add support for Bluetooth offload
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> Link: https://lore.kernel.org/r/20210505163705.305616-8-pierre-louis.bossart@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel')
-rw-r--r--sound/soc/intel/boards/sof_sdw.c32
-rw-r--r--sound/soc/intel/boards/sof_sdw_common.h7
2 files changed, 38 insertions, 1 deletions
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 @@ HDMI:
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;