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ASoC: Intel: board_helpers: support dmic link initialization

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Add functions for machine drivers to initialize dmic01 and dmic16k DAI
links.

Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Brent Lu <brent.lu@intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20231019173411.166759-7-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Brent Lu 2023-10-19 12:34:07 -05:00 committed by Mark Brown
parent 5c072ca8e1
commit 7fce91bab6
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 102 additions and 0 deletions
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92
sound/soc/intel/boards/sof_board_helpers.c
View File

@ -36,9 +36,49 @@ int sof_intel_board_card_late_probe(struct snd_soc_card *card)
}
EXPORT_SYMBOL_NS(sof_intel_board_card_late_probe, SND_SOC_INTEL_SOF_BOARD_HELPERS);
/*
* DMIC DAI Link
*/
static const struct snd_soc_dapm_widget dmic_widgets[] = {
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route dmic_routes[] = {
{"DMic", NULL, "SoC DMIC"},
};
static int dmic_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_card *card = rtd->card;
int ret;
ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
ARRAY_SIZE(dmic_widgets));
if (ret) {
dev_err(rtd->dev, "fail to add dmic widgets, ret %d\n", ret);
return ret;
}
ret = snd_soc_dapm_add_routes(&card->dapm, dmic_routes,
ARRAY_SIZE(dmic_routes));
if (ret) {
dev_err(rtd->dev, "fail to add dmic routes, ret %d\n", ret);
return ret;
}
return 0;
}
/*
* DAI Link Helpers
*/
static struct snd_soc_dai_link_component dmic_component[] = {
{
.name = "dmic-codec",
.dai_name = "dmic-hifi",
}
};
static struct snd_soc_dai_link_component platform_component[] = {
{
/* name might be overridden during probe */
@ -46,6 +86,58 @@ static struct snd_soc_dai_link_component platform_component[] = {
}
};
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)
{
struct snd_soc_dai_link_component *cpus;
/* cpus */
cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component),
GFP_KERNEL);
if (!cpus)
return -ENOMEM;
switch (be_type) {
case SOF_DMIC_01:
dev_dbg(dev, "link %d: dmic01\n", be_id);
link->name = "dmic01";
cpus->dai_name = "DMIC01 Pin";
break;
case SOF_DMIC_16K:
dev_dbg(dev, "link %d: dmic16k\n", be_id);
link->name = "dmic16k";
cpus->dai_name = "DMIC16k Pin";
break;
default:
dev_err(dev, "invalid be type %d\n", be_type);
return -EINVAL;
}
link->cpus = cpus;
link->num_cpus = 1;
/* codecs */
link->codecs = dmic_component;
link->num_codecs = ARRAY_SIZE(dmic_component);
/* platforms */
link->platforms = platform_component;
link->num_platforms = ARRAY_SIZE(platform_component);
link->id = be_id;
if (be_type == SOF_DMIC_01)
link->init = dmic_init;
link->ignore_suspend = 1;
link->no_pcm = 1;
link->dpcm_capture = 1;
return 0;
}
EXPORT_SYMBOL_NS(sof_intel_board_set_dmic_link, SND_SOC_INTEL_SOF_BOARD_HELPERS);
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)

10
sound/soc/intel/boards/sof_board_helpers.h
View File

@ -28,6 +28,7 @@ struct sof_rt5682_private {
* @hdmi: init data for hdmi dai link
* @codec_type: type of headset codec
* @amp_type: type of speaker amplifier
* @dmic_be_num: number of Intel PCH DMIC BE link
* @hdmi_num: number of Intel HDMI BE link
* @rt5682: private data for rt5682 machine driver
*/
@ -38,6 +39,7 @@ struct sof_card_private {
enum sof_ssp_codec codec_type;
enum sof_ssp_codec amp_type;
int dmic_be_num;
int hdmi_num;
union {
@ -45,8 +47,16 @@ struct sof_card_private {
};
};
enum sof_dmic_be_type {
SOF_DMIC_01,
SOF_DMIC_16K,
};
int sof_intel_board_card_late_probe(struct snd_soc_card *card);
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);
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);