Unverified Commit ba0c7c32 authored by Brent Lu's avatar Brent Lu Committed by Mark Brown
Browse files

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: default avatarBrent Lu <brent.lu@intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20231127152654.28204-11-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 84c280af

sound/soc/intel/boards/sof_board_helpers.c

+42 −0
Original line number Diff line number Diff line
@@ -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 <brent.lu@intel.com>");

MODULE_LICENSE("GPL");

sound/soc/intel/boards/sof_board_helpers.h

+5 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ struct sof_rt5682_private { 
 * @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

 * @ssp_amp: ssp port number of speaker BE link

 * @rt5682: private data for rt5682 machine driver

 */

struct sof_card_private {
@@ -44,6 +45,7 @@ struct sof_card_private { 
	int hdmi_num;



	int ssp_codec;

	int ssp_amp;



	union {

		struct sof_rt5682_private rt5682;
@@ -66,5 +68,8 @@ int sof_intel_board_set_dmic_link(struct device *dev, 
int sof_intel_board_set_intel_hdmi_link(struct device *dev,

					struct snd_soc_dai_link *link, int be_id,

					int hdmi_id, bool idisp_codec);

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);



#endif /* __SOF_INTEL_BOARD_HELPERS_H */