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authorBrent Lu <brent.lu@intel.com>2023-11-27 17:26:43 +0200
committerMark Brown <broonie@kernel.org>2023-11-27 16:33:00 +0000
commit53d8df6d3f0a1d6fd520865fb12c11868fe6cf81 (patch)
tree525075c0c1d5b3d46d5de1bf94ef501c03890b3f /sound/soc/intel/boards
parent823404815fcdf32950b2223ed2c665f077d6b98f (diff)
ASoC: Intel: board_helpers: support BT offload link initialization
Add a helper function for machine drivers to initialize BT offload DAI link. Signed-off-by: Brent Lu <brent.lu@intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com> Link: https://lore.kernel.org/r/20231127152654.28204-17-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/boards')
-rw-r--r--sound/soc/intel/boards/sof_board_helpers.c43
-rw-r--r--sound/soc/intel/boards/sof_board_helpers.h8
2 files changed, 51 insertions, 0 deletions
diff --git a/sound/soc/intel/boards/sof_board_helpers.c b/sound/soc/intel/boards/sof_board_helpers.c
index 515634db0a4d..335c660561d5 100644
--- a/sound/soc/intel/boards/sof_board_helpers.c
+++ b/sound/soc/intel/boards/sof_board_helpers.c
@@ -290,6 +290,49 @@ int sof_intel_board_set_ssp_amp_link(struct device *dev,
}
EXPORT_SYMBOL_NS(sof_intel_board_set_ssp_amp_link, SND_SOC_INTEL_SOF_BOARD_HELPERS);
+int sof_intel_board_set_bt_link(struct device *dev,
+ struct snd_soc_dai_link *link, int be_id,
+ int ssp_bt)
+{
+ struct snd_soc_dai_link_component *cpus;
+
+ dev_dbg(dev, "link %d: bt offload, ssp %d\n", be_id, ssp_bt);
+
+ /* link name */
+ link->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", ssp_bt);
+ if (!link->name)
+ return -ENOMEM;
+
+ /* cpus */
+ cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component),
+ GFP_KERNEL);
+ if (!cpus)
+ return -ENOMEM;
+
+ cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", ssp_bt);
+ if (!cpus->dai_name)
+ return -ENOMEM;
+
+ link->cpus = cpus;
+ link->num_cpus = 1;
+
+ /* codecs */
+ link->codecs = &snd_soc_dummy_dlc;
+ link->num_codecs = 1;
+
+ /* platforms */
+ link->platforms = platform_component;
+ link->num_platforms = ARRAY_SIZE(platform_component);
+
+ link->id = be_id;
+ link->no_pcm = 1;
+ link->dpcm_capture = 1;
+ link->dpcm_playback = 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_NS(sof_intel_board_set_bt_link, SND_SOC_INTEL_SOF_BOARD_HELPERS);
+
MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers");
MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
MODULE_LICENSE("GPL");
diff --git a/sound/soc/intel/boards/sof_board_helpers.h b/sound/soc/intel/boards/sof_board_helpers.h
index 17922f3e17a5..49a7bfa12a6d 100644
--- a/sound/soc/intel/boards/sof_board_helpers.h
+++ b/sound/soc/intel/boards/sof_board_helpers.h
@@ -32,6 +32,8 @@ struct sof_rt5682_private {
* @hdmi_num: number of Intel HDMI BE link
* @ssp_codec: ssp port number of headphone BE link
* @ssp_amp: ssp port number of speaker BE link
+ * @ssp_bt: ssp port number of BT offload BE link
+ * @bt_offload_present: true to create BT offload BE link
* @rt5682: private data for rt5682 machine driver
*/
struct sof_card_private {
@@ -46,6 +48,9 @@ struct sof_card_private {
int ssp_codec;
int ssp_amp;
+ int ssp_bt;
+
+ bool bt_offload_present;
union {
struct sof_rt5682_private rt5682;
@@ -71,5 +76,8 @@ int sof_intel_board_set_intel_hdmi_link(struct device *dev,
int sof_intel_board_set_ssp_amp_link(struct device *dev,
struct snd_soc_dai_link *link, int be_id,
enum sof_ssp_codec amp_type, int ssp_amp);
+int sof_intel_board_set_bt_link(struct device *dev,
+ struct snd_soc_dai_link *link, int be_id,
+ int ssp_bt);
#endif /* __SOF_INTEL_BOARD_HELPERS_H */