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authorBrent Lu <brent.lu@intel.com>2024-08-27 14:32:07 +0200
committerMark Brown <broonie@kernel.org>2024-08-28 14:01:58 +0200
commit0752ba426a8182acbd083ca53fef32ddbf50e6d2 (patch)
tree87ce65106ce530bc940f03c302f0ebfe8df3f1da /sound/soc/intel
parentASoC: SOF: Intel: hda: support BT link mask in mach_params (diff)
downloadlinux-0752ba426a8182acbd083ca53fef32ddbf50e6d2.tar.xz
linux-0752ba426a8182acbd083ca53fef32ddbf50e6d2.zip
ASoC: Intel: skl_hda_dsp_generic: support BT audio offload
Add BT offload BE link to dai link array if the BT offload link mask is valid (only one bit set). Signed-off-by: Brent Lu <brent.lu@intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Link: https://patch.msgid.link/20240827123215.258859-10-yung-chuan.liao@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel')
-rw-r--r--sound/soc/intel/boards/skl_hda_dsp_common.c13
-rw-r--r--sound/soc/intel/boards/skl_hda_dsp_common.h4
-rw-r--r--sound/soc/intel/boards/skl_hda_dsp_generic.c37
3 files changed, 49 insertions, 5 deletions
diff --git a/sound/soc/intel/boards/skl_hda_dsp_common.c b/sound/soc/intel/boards/skl_hda_dsp_common.c
index e9cefa4ae56d..5eb63f4df241 100644
--- a/sound/soc/intel/boards/skl_hda_dsp_common.c
+++ b/sound/soc/intel/boards/skl_hda_dsp_common.c
@@ -75,6 +75,11 @@ SND_SOC_DAILINK_DEF(dmic_codec,
SND_SOC_DAILINK_DEF(dmic16k,
DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
+SND_SOC_DAILINK_DEF(bt_offload_pin,
+ DAILINK_COMP_ARRAY(COMP_CPU(""))); /* initialized in driver probe function */
+SND_SOC_DAILINK_DEF(dummy,
+ DAILINK_COMP_ARRAY(COMP_DUMMY()));
+
SND_SOC_DAILINK_DEF(platform,
DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
@@ -132,6 +137,14 @@ struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS] = {
.no_pcm = 1,
SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
},
+ {
+ .name = NULL, /* initialized in driver probe function */
+ .id = 8,
+ .dpcm_playback = 1,
+ .dpcm_capture = 1,
+ .no_pcm = 1,
+ SND_SOC_DAILINK_REG(bt_offload_pin, dummy, platform),
+ },
};
int skl_hda_hdmi_jack_init(struct snd_soc_card *card)
diff --git a/sound/soc/intel/boards/skl_hda_dsp_common.h b/sound/soc/intel/boards/skl_hda_dsp_common.h
index 19b814dee4ad..9d714f747dca 100644
--- a/sound/soc/intel/boards/skl_hda_dsp_common.h
+++ b/sound/soc/intel/boards/skl_hda_dsp_common.h
@@ -18,7 +18,7 @@
#include "../../codecs/hdac_hda.h"
#include "hda_dsp_common.h"
-#define HDA_DSP_MAX_BE_DAI_LINKS 7
+#define HDA_DSP_MAX_BE_DAI_LINKS 8
struct skl_hda_hdmi_pcm {
struct list_head head;
@@ -35,6 +35,8 @@ struct skl_hda_private {
const char *platform_name;
bool common_hdmi_codec_drv;
bool idisp_codec;
+ bool bt_offload_present;
+ int ssp_bt;
};
extern struct snd_soc_dai_link skl_hda_be_dai_links[HDA_DSP_MAX_BE_DAI_LINKS];
diff --git a/sound/soc/intel/boards/skl_hda_dsp_generic.c b/sound/soc/intel/boards/skl_hda_dsp_generic.c
index 88d91c0280bb..927c73bef065 100644
--- a/sound/soc/intel/boards/skl_hda_dsp_generic.c
+++ b/sound/soc/intel/boards/skl_hda_dsp_generic.c
@@ -95,6 +95,7 @@ skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
#define IDISP_DAI_COUNT 3
#define HDAC_DAI_COUNT 2
#define DMIC_DAI_COUNT 2
+#define BT_DAI_COUNT 1
/* there are two routes per iDisp output */
#define IDISP_ROUTE_COUNT (IDISP_DAI_COUNT * 2)
@@ -102,11 +103,12 @@ skl_hda_add_dai_link(struct snd_soc_card *card, struct snd_soc_dai_link *link)
#define HDA_CODEC_AUTOSUSPEND_DELAY_MS 1000
-static int skl_hda_fill_card_info(struct snd_soc_card *card,
+static int skl_hda_fill_card_info(struct device *dev, struct snd_soc_card *card,
struct snd_soc_acpi_mach_params *mach_params)
{
struct skl_hda_private *ctx = snd_soc_card_get_drvdata(card);
struct snd_soc_dai_link *dai_link;
+ struct snd_soc_dai_link *bt_link;
u32 codec_count, codec_mask;
int i, num_links, num_route;
@@ -120,7 +122,7 @@ static int skl_hda_fill_card_info(struct snd_soc_card *card,
if (codec_mask == IDISP_CODEC_MASK) {
/* topology with iDisp as the only HDA codec */
- num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT;
+ num_links = IDISP_DAI_COUNT + DMIC_DAI_COUNT + BT_DAI_COUNT;
num_route = IDISP_ROUTE_COUNT;
/*
@@ -129,7 +131,7 @@ static int skl_hda_fill_card_info(struct snd_soc_card *card,
* num_links of dai links need to be registered
* to ASoC.
*/
- for (i = 0; i < DMIC_DAI_COUNT; i++) {
+ for (i = 0; i < (DMIC_DAI_COUNT + BT_DAI_COUNT); i++) {
skl_hda_be_dai_links[IDISP_DAI_COUNT + i] =
skl_hda_be_dai_links[IDISP_DAI_COUNT +
HDAC_DAI_COUNT + i];
@@ -150,6 +152,28 @@ static int skl_hda_fill_card_info(struct snd_soc_card *card,
}
}
+ if (!ctx->bt_offload_present) {
+ /* remove last link since bt audio offload is not supported */
+ num_links -= BT_DAI_COUNT;
+ } else {
+ if (codec_mask == IDISP_CODEC_MASK)
+ bt_link = &skl_hda_be_dai_links[IDISP_DAI_COUNT + DMIC_DAI_COUNT];
+ else
+ bt_link = &skl_hda_be_dai_links[IDISP_DAI_COUNT + HDAC_DAI_COUNT + DMIC_DAI_COUNT];
+
+ /* complete the link name and dai name with SSP port number */
+ bt_link->name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT",
+ ctx->ssp_bt);
+ if (!bt_link->name)
+ return -ENOMEM;
+
+ bt_link->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
+ "SSP%d Pin",
+ ctx->ssp_bt);
+ if (!bt_link->cpus->dai_name)
+ return -ENOMEM;
+ }
+
card->num_links = num_links;
card->num_dapm_routes = num_route;
@@ -213,7 +237,12 @@ static int skl_hda_audio_probe(struct platform_device *pdev)
snd_soc_card_set_drvdata(card, ctx);
- ret = skl_hda_fill_card_info(card, &mach->mach_params);
+ if (hweight_long(mach->mach_params.bt_link_mask) == 1) {
+ ctx->bt_offload_present = true;
+ ctx->ssp_bt = fls(mach->mach_params.bt_link_mask) - 1;
+ }
+
+ ret = skl_hda_fill_card_info(&pdev->dev, card, &mach->mach_params);
if (ret < 0) {
dev_err(&pdev->dev, "Unsupported HDAudio/iDisp configuration found\n");
return ret;