From ba0c7c328762d78573d3cac4adad9ea9e695f244 Mon Sep 17 00:00:00 2001 From: Brent Lu Date: Mon, 27 Nov 2023 17:26:37 +0200 Subject: ASoC: Intel: board_helpers: support amp link initialization Add a helper function for machine drivers to initialize speaker amplifier DAI link. The function will initialize common fields and let caller to initialize codec-specific fields like codec, init, exit, and ops fields. Signed-off-by: Brent Lu Reviewed-by: Bard Liao Reviewed-by: Pierre-Louis Bossart Signed-off-by: Peter Ujfalusi Link: https://lore.kernel.org/r/20231127152654.28204-11-peter.ujfalusi@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/intel/boards/sof_board_helpers.c | 42 ++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'sound/soc/intel/boards/sof_board_helpers.c') diff --git a/sound/soc/intel/boards/sof_board_helpers.c b/sound/soc/intel/boards/sof_board_helpers.c index 5ee53c781b37..515634db0a4d 100644 --- a/sound/soc/intel/boards/sof_board_helpers.c +++ b/sound/soc/intel/boards/sof_board_helpers.c @@ -248,6 +248,48 @@ int sof_intel_board_set_intel_hdmi_link(struct device *dev, } EXPORT_SYMBOL_NS(sof_intel_board_set_intel_hdmi_link, SND_SOC_INTEL_SOF_BOARD_HELPERS); +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) +{ + struct snd_soc_dai_link_component *cpus; + + dev_dbg(dev, "link %d: ssp amp %s, ssp %d\n", be_id, + sof_ssp_get_codec_name(amp_type), ssp_amp); + + /* link name */ + link->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_amp); + 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_amp); + if (!cpus->dai_name) + return -ENOMEM; + + link->cpus = cpus; + link->num_cpus = 1; + + /* codecs - caller to handle */ + + /* platforms */ + link->platforms = platform_component; + link->num_platforms = ARRAY_SIZE(platform_component); + + link->id = be_id; + link->no_pcm = 1; + link->dpcm_capture = 1; /* feedback stream or firmware-generated echo reference */ + link->dpcm_playback = 1; + + return 0; +} +EXPORT_SYMBOL_NS(sof_intel_board_set_ssp_amp_link, SND_SOC_INTEL_SOF_BOARD_HELPERS); + MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers"); MODULE_AUTHOR("Brent Lu "); MODULE_LICENSE("GPL"); -- cgit v1.2.3