From 53d8df6d3f0a1d6fd520865fb12c11868fe6cf81 Mon Sep 17 00:00:00 2001 From: Brent Lu Date: Mon, 27 Nov 2023 17:26:43 +0200 Subject: [PATCH] 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 Reviewed-by: Pierre-Louis Bossart Reviewed-by: Bard Liao Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20231127152654.28204-17-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/intel/boards/sof_board_helpers.c | 43 ++++++++++++++++++++++ sound/soc/intel/boards/sof_board_helpers.h | 8 ++++ 2 files changed, 51 insertions(+) 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 "); 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 */