@@ -10,6 +10,7 @@
#include <linux/module.h>
#include <linux/soundwire/sdw.h>
#include <linux/soundwire/sdw_type.h>
+#include <sound/sdca_function.h>
#include <sound/soc_sdw_utils.h>
static const struct snd_soc_dapm_widget generic_dmic_widgets[] = {
@@ -1131,6 +1132,106 @@ struct asoc_sdw_dailink *asoc_sdw_find_dailink(struct asoc_sdw_dailink *dailinks
}
EXPORT_SYMBOL_NS(asoc_sdw_find_dailink, "SND_SOC_SDW_UTILS");
+static int asoc_sdw_get_dai_type(u32 type)
+{
+ switch (type) {
+ case SDCA_FUNCTION_TYPE_SMART_AMP:
+ case SDCA_FUNCTION_TYPE_SIMPLE_AMP:
+ return SOC_SDW_DAI_TYPE_AMP;
+ case SDCA_FUNCTION_TYPE_SMART_MIC:
+ case SDCA_FUNCTION_TYPE_SIMPLE_MIC:
+ case SDCA_FUNCTION_TYPE_SPEAKER_MIC:
+ return SOC_SDW_DAI_TYPE_MIC;
+ case SDCA_FUNCTION_TYPE_UAJ:
+ case SDCA_FUNCTION_TYPE_RJ:
+ case SDCA_FUNCTION_TYPE_SIMPLE_JACK:
+ return SOC_SDW_DAI_TYPE_JACK;
+ default:
+ return -EINVAL;
+ }
+}
+
+/*
+ * Check if the SDCA endpoint is present by the SDW peripheral
+ *
+ * @dev: Device pointer
+ * @codec_info: Codec info pointer
+ * @adr_link: ACPI link address
+ * @adr_index: Index of the ACPI link address
+ * @end_index: Index of the endpoint
+ *
+ * Return: 1 if the endpoint is present,
+ * 0 if the endpoint is not present,
+ * negative error code.
+ */
+
+static int is_sdca_endpoint_present(struct device *dev,
+ struct asoc_sdw_codec_info *codec_info,
+ const struct snd_soc_acpi_link_adr *adr_link,
+ int adr_index, int end_index)
+{
+ const struct snd_soc_acpi_adr_device *adr_dev = &adr_link->adr_d[adr_index];
+ const struct snd_soc_acpi_endpoint *adr_end;
+ const struct asoc_sdw_dai_info *dai_info;
+ struct snd_soc_dai_link_component *dlc;
+ struct snd_soc_dai *codec_dai;
+ struct sdw_slave *slave;
+ struct device *sdw_dev;
+ const char *sdw_codec_name;
+ int i;
+
+ dlc = kzalloc(sizeof(*dlc), GFP_KERNEL);
+
+ adr_end = &adr_dev->endpoints[end_index];
+ dai_info = &codec_info->dais[adr_end->num];
+
+ dlc->dai_name = dai_info->dai_name;
+ codec_dai = snd_soc_find_dai_with_mutex(dlc);
+ if (!codec_dai) {
+ dev_warn(dev, "codec dai %s not registered yet\n", dlc->dai_name);
+ kfree(dlc);
+ return -EPROBE_DEFER;
+ }
+ kfree(dlc);
+
+ sdw_codec_name = _asoc_sdw_get_codec_name(dev, codec_info,
+ adr_link, adr_index);
+ if (!sdw_codec_name)
+ return -ENOMEM;
+
+ sdw_dev = bus_find_device_by_name(&sdw_bus_type, NULL, sdw_codec_name);
+ if (!sdw_dev) {
+ dev_err(dev, "codec %s not found\n", sdw_codec_name);
+ return -EINVAL;
+ }
+
+ slave = dev_to_sdw_dev(sdw_dev);
+ if (!slave)
+ return -EINVAL;
+
+ /* Make sure BIOS provides SDCA properties */
+ if (!slave->sdca_data.interface_revision) {
+ dev_warn(&slave->dev, "SDCA properties not found in the BIOS\n");
+ return 1;
+ }
+
+ for (i = 0; i < slave->sdca_data.num_functions; i++) {
+ int dai_type = asoc_sdw_get_dai_type(slave->sdca_data.function[i].type);
+
+ if (dai_type == dai_info->dai_type) {
+ dev_dbg(&slave->dev, "DAI type %d sdca function %s found\n",
+ dai_type, slave->sdca_data.function[i].name);
+ return 1;
+ }
+ }
+
+ dev_dbg(&slave->dev,
+ "SDCA device function for DAI type %d not supported, skip endpoint\n",
+ dai_info->dai_type);
+
+ return 0;
+}
+
int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
struct asoc_sdw_dailink *soc_dais,
struct asoc_sdw_endpoint *soc_ends,
@@ -1159,6 +1260,7 @@ int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
const struct snd_soc_acpi_adr_device *adr_dev = &adr_link->adr_d[i];
struct asoc_sdw_codec_info *codec_info;
const char *codec_name;
+ bool check_sdca = false;
if (!adr_dev->name_prefix) {
dev_err(dev, "codec 0x%llx does not have a name prefix\n",
@@ -1189,6 +1291,9 @@ int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
soc_end->include_sidecar = true;
}
+ if (SDW_CLASS_ID(adr_dev->adr) && adr_dev->num_endpoints > 1)
+ check_sdca = true;
+
for (j = 0; j < adr_dev->num_endpoints; j++) {
const struct snd_soc_acpi_endpoint *adr_end;
const struct asoc_sdw_dai_info *dai_info;
@@ -1199,9 +1304,35 @@ int asoc_sdw_parse_sdw_endpoints(struct snd_soc_card *card,
dai_info = &codec_info->dais[adr_end->num];
soc_dai = asoc_sdw_find_dailink(soc_dais, adr_end);
- if (dai_info->quirk &&
- !(dai_info->quirk_exclude ^ !!(dai_info->quirk & ctx->mc_quirk)))
- continue;
+ /*
+ * quirk should have higher priority than the sdca properties
+ * in the BIOS. We can't always check the DAI quirk because we
+ * will set the mc_quirk when the BIOS doesn't provide the right
+ * information. The endpoint will be skipped if the dai_info->
+ * quirk_exclude and mc_quirk are both not set if we always skip
+ * the endpoint according to the quirk information. We need to
+ * keep the endpoint if it is present in the BIOS. So, only
+ * check the DAI quirk when the mc_quirk is set or SDCA endpoint
+ * present check is not needed.
+ */
+ if (dai_info->quirk & ctx->mc_quirk || !check_sdca) {
+ /*
+ * Check the endpoint if a matching quirk is set or SDCA
+ * endpoint check is not necessary
+ */
+ if (dai_info->quirk &&
+ !(dai_info->quirk_exclude ^ !!(dai_info->quirk & ctx->mc_quirk)))
+ continue;
+ } else {
+ /* Check SDCA codec endpoint if there is no matching quirk */
+ ret = is_sdca_endpoint_present(dev, codec_info, adr_link, i, j);
+ if (ret < 0)
+ return ret;
+
+ /* The endpoint is not present, skip */
+ if (!ret)
+ continue;
+ }
dev_dbg(dev,
"Add dev: %d, 0x%llx end: %d, dai: %d, %c/%c to %s: %d\n",