From: Brent Lu brent.lu@intel.com
Add a helper function for machine drivers to initialize headphone codec DAI links. 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 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 --- sound/soc/intel/boards/sof_board_helpers.c | 51 ++++++++++++++++++++++ sound/soc/intel/boards/sof_board_helpers.h | 6 +++ 2 files changed, 57 insertions(+)
diff --git a/sound/soc/intel/boards/sof_board_helpers.c b/sound/soc/intel/boards/sof_board_helpers.c index ce2967850c2d..5ee53c781b37 100644 --- a/sound/soc/intel/boards/sof_board_helpers.c +++ b/sound/soc/intel/boards/sof_board_helpers.c @@ -3,6 +3,7 @@ // Copyright(c) 2023 Intel Corporation. All rights reserved.
#include <sound/soc.h> +#include "../common/soc-intel-quirks.h" #include "hda_dsp_common.h" #include "sof_board_helpers.h"
@@ -86,6 +87,55 @@ static struct snd_soc_dai_link_component platform_component[] = { } };
+int sof_intel_board_set_codec_link(struct device *dev, + struct snd_soc_dai_link *link, int be_id, + enum sof_ssp_codec codec_type, int ssp_codec) +{ + struct snd_soc_dai_link_component *cpus; + + dev_dbg(dev, "link %d: codec %s, ssp %d\n", be_id, + sof_ssp_get_codec_name(codec_type), ssp_codec); + + /* link name */ + link->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec", ssp_codec); + if (!link->name) + return -ENOMEM; + + /* cpus */ + cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component), + GFP_KERNEL); + if (!cpus) + return -ENOMEM; + + if (soc_intel_is_byt() || soc_intel_is_cht()) { + /* backward-compatibility for BYT/CHT boards */ + cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "ssp%d-port", + ssp_codec); + } else { + cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", + ssp_codec); + } + 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; + link->dpcm_playback = 1; + + return 0; +} +EXPORT_SYMBOL_NS(sof_intel_board_set_codec_link, SND_SOC_INTEL_SOF_BOARD_HELPERS); + int sof_intel_board_set_dmic_link(struct device *dev, struct snd_soc_dai_link *link, int be_id, enum sof_dmic_be_type be_type) @@ -202,3 +252,4 @@ MODULE_DESCRIPTION("ASoC Intel SOF Machine Driver Board Helpers"); MODULE_AUTHOR("Brent Lu brent.lu@intel.com"); MODULE_LICENSE("GPL"); MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON); +MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_SSP_COMMON); diff --git a/sound/soc/intel/boards/sof_board_helpers.h b/sound/soc/intel/boards/sof_board_helpers.h index df99f576c1d8..7392d639672d 100644 --- a/sound/soc/intel/boards/sof_board_helpers.h +++ b/sound/soc/intel/boards/sof_board_helpers.h @@ -30,6 +30,7 @@ struct sof_rt5682_private { * @amp_type: type of speaker amplifier * @dmic_be_num: number of Intel PCH DMIC BE link * @hdmi_num: number of Intel HDMI BE link + * @ssp_codec: ssp port number of headphone BE link * @rt5682: private data for rt5682 machine driver */ struct sof_card_private { @@ -42,6 +43,8 @@ struct sof_card_private { int dmic_be_num; int hdmi_num;
+ int ssp_codec; + union { struct sof_rt5682_private rt5682; }; @@ -54,6 +57,9 @@ enum sof_dmic_be_type {
int sof_intel_board_card_late_probe(struct snd_soc_card *card);
+int sof_intel_board_set_codec_link(struct device *dev, + struct snd_soc_dai_link *link, int be_id, + enum sof_ssp_codec codec_type, int ssp_codec); int sof_intel_board_set_dmic_link(struct device *dev, struct snd_soc_dai_link *link, int be_id, enum sof_dmic_be_type be_type);