1 files changed, 73 insertions, 0 deletions
diff --git a/src/soc/intel/skylake/nhlt/nau88l25.c b/src/soc/intel/skylake/nhlt/nau88l25.c
new file mode 100644
index 0000000000..d9b9cbd849
--- /dev/null
+++ b/src/soc/intel/skylake/nhlt/nau88l25.c
@@ -0,0 +1,73 @@
+/*
+ * 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.
+ */
+
+#include <soc/nhlt.h>
+
+/* The same DSP firmwware settings are used for both the capture and
+ * render endpoints. */
+static const struct nhlt_format_config nau88l25_cfg[] = {
+	/* 48 KHz 24-bits per sample. */
+	{
+		.num_channels = 2,
+		.sample_freq_khz = 48,
+		.container_bits_per_sample = 32,
+		.valid_bits_per_sample = 24,
+		.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
+		.settings_file = "nau88l25-2ch-48khz-24b.bin",
+	},
+};
+
+int nhlt_soc_add_nau88l25(struct nhlt *nhlt, int hwlink)
+{
+	struct nhlt_endpoint *endp;
+	/* The nau88l25 just has headphones and a mic. Both the capture and
+	 * render endpoints occupy the same virtual slot. */
+	struct nhlt_tdm_config tdm_config = {
+		.virtual_slot = 0,
+		.config_type = NHLT_TDM_BASIC,
+	};
+	const void *fmt_cfg = nau88l25_cfg;
+	size_t fmt_sz = ARRAY_SIZE(nau88l25_cfg);
+
+	/* Render Endpoint */
+	endp = nhlt_soc_add_endpoint(nhlt, hwlink, AUDIO_DEV_I2S,
+					NHLT_DIR_RENDER);
+
+	if (endp == NULL)
+		return -1;
+
+	if (nhlt_endpoint_append_config(endp, &tdm_config, sizeof(tdm_config)))
+		return -1;
+
+	if (nhlt_endpoint_add_formats(endp, fmt_cfg, fmt_sz))
+		return -1;
+
+	/* Capture Endpoint */
+	endp = nhlt_soc_add_endpoint(nhlt, hwlink, AUDIO_DEV_I2S,
+					NHLT_DIR_CAPTURE);
+
+	if (endp == NULL)
+		return -1;
+
+	if (nhlt_endpoint_append_config(endp, &tdm_config, sizeof(tdm_config)))
+		return -1;
+
+	if (nhlt_endpoint_add_formats(endp, fmt_cfg, fmt_sz))
+		return -1;
+
+	nhlt_next_instance(nhlt, NHLT_LINK_SSP);
+
+	return 0;
+}