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Diffstat (limited to 'sound/soc/sof/intel/hda.c')
-rw-r--r--sound/soc/sof/intel/hda.c133
1 files changed, 85 insertions, 48 deletions
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index db868376039a..7ae2c2c451ef 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -285,11 +285,13 @@ static char *hda_model;
module_param(hda_model, charp, 0444);
MODULE_PARM_DESC(hda_model, "Use the given HDA board model.");
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
static int hda_dmic_num = -1;
module_param_named(dmic_num, hda_dmic_num, int, 0444);
MODULE_PARM_DESC(dmic_num, "SOF HDA DMIC number");
+#endif
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
static bool hda_codec_use_common_hdmi = IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI);
module_param_named(use_common_hdmi, hda_codec_use_common_hdmi, bool, 0444);
MODULE_PARM_DESC(use_common_hdmi, "SOF HDA use common HDMI codec driver");
@@ -555,7 +557,7 @@ static int hda_init(struct snd_sof_dev *sdev)
return ret;
}
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) || IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
static int check_nhlt_dmic(struct snd_sof_dev *sdev)
{
@@ -598,6 +600,53 @@ static const char *fixup_tplg_name(struct snd_sof_dev *sdev,
return tplg_filename;
}
+static int dmic_topology_fixup(struct snd_sof_dev *sdev,
+ const char **tplg_filename,
+ const char *idisp_str,
+ int *dmic_found)
+{
+ const char *default_tplg_filename = *tplg_filename;
+ const char *fixed_tplg_filename;
+ const char *dmic_str;
+ int dmic_num;
+
+ /* first check NHLT for DMICs */
+ dmic_num = check_nhlt_dmic(sdev);
+
+ /* allow for module parameter override */
+ if (hda_dmic_num != -1)
+ dmic_num = hda_dmic_num;
+
+ switch (dmic_num) {
+ case 1:
+ dmic_str = "-1ch";
+ break;
+ case 2:
+ dmic_str = "-2ch";
+ break;
+ case 3:
+ dmic_str = "-3ch";
+ break;
+ case 4:
+ dmic_str = "-4ch";
+ break;
+ default:
+ dmic_num = 0;
+ dmic_str = "";
+ break;
+ }
+
+ fixed_tplg_filename = fixup_tplg_name(sdev, default_tplg_filename,
+ idisp_str, dmic_str);
+ if (!fixed_tplg_filename)
+ return -ENOMEM;
+
+ dev_info(sdev->dev, "DMICs detected in NHLT tables: %d\n", dmic_num);
+ *dmic_found = dmic_num;
+ *tplg_filename = fixed_tplg_filename;
+
+ return 0;
+}
#endif
static int hda_init_caps(struct snd_sof_dev *sdev)
@@ -963,9 +1012,9 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
struct snd_sof_pdata *pdata = sdev->pdata;
const char *tplg_filename;
const char *idisp_str;
- const char *dmic_str;
int dmic_num = 0;
int codec_num = 0;
+ int ret;
int i;
/* codec detection */
@@ -990,10 +1039,6 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
if (!pdata->machine && codec_num <= 2) {
hda_mach = snd_soc_acpi_intel_hda_machines;
- /* topology: use the info from hda_machines */
- pdata->tplg_filename =
- hda_mach->sof_tplg_filename;
-
dev_info(bus->dev, "using HDA machine driver %s now\n",
hda_mach->drv_name);
@@ -1002,42 +1047,13 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
else
idisp_str = "";
- /* first check NHLT for DMICs */
- dmic_num = check_nhlt_dmic(sdev);
-
- /* allow for module parameter override */
- if (hda_dmic_num != -1)
- dmic_num = hda_dmic_num;
-
- switch (dmic_num) {
- case 1:
- dmic_str = "-1ch";
- break;
- case 2:
- dmic_str = "-2ch";
- break;
- case 3:
- dmic_str = "-3ch";
- break;
- case 4:
- dmic_str = "-4ch";
- break;
- default:
- dmic_num = 0;
- dmic_str = "";
- break;
- }
-
- tplg_filename = pdata->tplg_filename;
- tplg_filename = fixup_tplg_name(sdev, tplg_filename,
- idisp_str, dmic_str);
- if (!tplg_filename)
- return -EINVAL;
-
- dev_info(bus->dev,
- "DMICs detected in NHLT tables: %d\n",
- dmic_num);
+ /* topology: use the info from hda_machines */
+ tplg_filename = hda_mach->sof_tplg_filename;
+ ret = dmic_topology_fixup(sdev, &tplg_filename, idisp_str, &dmic_num);
+ if (ret < 0)
+ return ret;
+ hda_mach->mach_params.dmic_num = dmic_num;
pdata->machine = hda_mach;
pdata->tplg_filename = tplg_filename;
}
@@ -1049,7 +1065,6 @@ static int hda_generic_machine_select(struct snd_sof_dev *sdev)
&pdata->machine->mach_params;
mach_params->codec_mask = bus->codec_mask;
mach_params->common_hdmi_codec_drv = hda_codec_use_common_hdmi;
- mach_params->dmic_num = dmic_num;
}
return 0;
@@ -1144,7 +1159,6 @@ static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *pdata = sdev->pdata;
const struct snd_soc_acpi_link_adr *link;
- struct hdac_bus *bus = sof_to_bus(sdev);
struct snd_soc_acpi_mach *mach;
struct sof_intel_hda_dev *hdev;
u32 link_mask;
@@ -1192,10 +1206,8 @@ static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
break;
}
if (mach && mach->link_mask) {
- dev_dbg(bus->dev,
- "SoundWire machine driver %s topology %s\n",
- mach->drv_name,
- mach->sof_tplg_filename);
+ int dmic_num = 0;
+
pdata->machine = mach;
mach->mach_params.links = mach->links;
mach->mach_params.link_mask = mach->link_mask;
@@ -1205,6 +1217,31 @@ static int hda_sdw_machine_select(struct snd_sof_dev *sdev)
else
pdata->fw_filename = pdata->desc->default_fw_filename;
pdata->tplg_filename = mach->sof_tplg_filename;
+
+ /*
+ * DMICs use up to 4 pins and are typically pin-muxed with SoundWire
+ * link 2 and 3, thus we only try to enable dmics if all conditions
+ * are true:
+ * a) link 2 and 3 are not used by SoundWire
+ * b) the NHLT table reports the presence of microphones
+ */
+ if (!(mach->link_mask & GENMASK(3, 2))) {
+ const char *tplg_filename = mach->sof_tplg_filename;
+ int ret;
+
+ ret = dmic_topology_fixup(sdev, &tplg_filename, "", &dmic_num);
+
+ if (ret < 0)
+ return ret;
+
+ pdata->tplg_filename = tplg_filename;
+ }
+ mach->mach_params.dmic_num = dmic_num;
+
+ dev_dbg(sdev->dev,
+ "SoundWire machine driver %s topology %s\n",
+ mach->drv_name,
+ pdata->tplg_filename);
} else {
dev_info(sdev->dev,
"No SoundWire machine driver found\n");
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-10 04:18:17 +0000