soc/intel/skylake: Add NHLT config for max98373 codec

Add the NHLT configuration for the max98373 codec to skylake,
taken directly from cannonlake.

This will allow skylake/kabylake boards to use this codec.

Change-Id: Ifb6bf2d31fda25b18d9b1ce2bb721255335d55e4
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/25367
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>
Reviewed-by: HARSHAPRIYA N <harshapriya.n@intel.com>
Reviewed-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/src/soc/intel/skylake/nhlt/max98373.c b/src/soc/intel/skylake/nhlt/max98373.c
new file mode 100644
index 0000000000..6d357f6a62
--- /dev/null
+++ b/src/soc/intel/skylake/nhlt/max98373.c
@@ -0,0 +1,77 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 Intel Corporation.
+ *
+ * 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>
+
+static const struct nhlt_format_config max98373_render_formats[] = {
+	/* 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 = "max98373-render-2ch-48khz-24b.bin",
+	},
+	/* 48 KHz 16-bits per sample. */
+	{
+		.num_channels = 2,
+		.sample_freq_khz = 48,
+		.container_bits_per_sample = 16,
+		.valid_bits_per_sample = 16,
+		.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
+		.settings_file = "max98373-render-2ch-48khz-16b.bin",
+	}
+};
+
+static const struct nhlt_format_config max98373_capture_formats[] = {
+	/* 48 KHz 16-bits per sample. */
+	{
+		.num_channels = 2,
+		.sample_freq_khz = 48,
+		.container_bits_per_sample = 16,
+		.valid_bits_per_sample = 16,
+		.speaker_mask = SPEAKER_FRONT_LEFT | SPEAKER_FRONT_RIGHT,
+		.settings_file = "max98373-render-2ch-48khz-16b.bin",
+	},
+};
+
+static const struct nhlt_endp_descriptor max98373_descriptors[] = {
+	{
+		.link = NHLT_LINK_SSP,
+		.device = NHLT_SSP_DEV_I2S,
+		.direction = NHLT_DIR_RENDER,
+		.vid = NHLT_VID,
+		.did = NHLT_DID_SSP,
+		.formats = max98373_render_formats,
+		.num_formats = ARRAY_SIZE(max98373_render_formats),
+	},
+	{
+		.link = NHLT_LINK_SSP,
+		.device = NHLT_SSP_DEV_I2S,
+		.direction = NHLT_DIR_CAPTURE,
+		.vid = NHLT_VID,
+		.did = NHLT_DID_SSP,
+		.formats = max98373_capture_formats,
+		.num_formats = ARRAY_SIZE(max98373_capture_formats),
+       },
+};
+
+int nhlt_soc_add_max98373(struct nhlt *nhlt, int hwlink)
+{
+	/* Virtual bus id of SSP links are the hardware port ids proper. */
+	return nhlt_add_ssp_endpoints(nhlt, hwlink, max98373_descriptors,
+				      ARRAY_SIZE(max98373_descriptors));
+}