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-rw-r--r--src/soc/intel/skylake/include/soc/nhlt.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/include/soc/nhlt.h b/src/soc/intel/skylake/include/soc/nhlt.h
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+++ b/src/soc/intel/skylake/include/soc/nhlt.h
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+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2015 Google, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef _SOC_NHLT_H_
+#define _SOC_NHLT_H_
+
+#include <nhlt.h>
+
+/*
+ * Skylake NHLT device and hardware link types. These values are to be used
+ * with nhlt_soc_add_endpoint().
+ */
+
+enum {
+ AUDIO_LINK_SSP0,
+ AUDIO_LINK_SSP1,
+ AUDIO_LINK_SSP2, /* Only Bluetooth supported on SSP2. */
+ AUDIO_LINK_DMIC,
+};
+
+enum {
+ AUDIO_DEV_I2S,
+ AUDIO_DEV_DMIC,
+ AUDIO_DEV_BT,
+};
+
+/*
+ * Add a dmic array composed of the provided number of channels. The skylake
+ * SoC currently only supports dmic arrays on the dmic signals. Either 2
+ * or 4 channel arrays are supported. Returns 0 on success, < 0 on error.
+ */
+int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels);
+
+/*
+ * Add nau88l25 headset codec on provided SSP link. Return 0 on succes, < 0
+ * on error.
+ */
+int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink);
+
+/*
+ * Add ssm4567 smart amplifiers in stereo configuration on provided SSP link.
+ * Return 0 on success, < 0 on error.
+ */
+int nhlt_soc_add_ssm4567(struct nhlt *nhlt, int hwlink);
+
+/*
+ * Add max98357a amplifier in stereo configuration on provide SSP link.
+ * Return 0 on success, < 0 on error.
+ */
+int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink);
+
+#endif