mainboard/google/poppy: Provide nhlt variant API

Move current NHLT configuration implementation to baseboard so that
variants can leverage it or provide their own configuration.

BUG=b:37375693

Change-Id: I2a4317c112f9e3614bd01eb6809727b73328d29d
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/19326
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

1 files changed, 47 insertions, 0 deletions

diff --git a/src/mainboard/google/poppy/variants/baseboard/nhlt.c b/src/mainboard/google/poppy/variants/baseboard/nhlt.c
new file mode 100644
index 0000000000..81557e41ea
--- /dev/null
+++ b/src/mainboard/google/poppy/variants/baseboard/nhlt.c
@@ -0,0 +1,47 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright 2017 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 <baseboard/variants.h>
+#include <console/console.h>
+#include <nhlt.h>
+#include <soc/nhlt.h>
+
+void __attribute__((weak)) variant_nhlt_init(struct nhlt *nhlt)
+{
+	/* 2 Channel DMIC array. */
+	if (nhlt_soc_add_dmic_array(nhlt, 2))
+		printk(BIOS_ERR, "Couldn't add 2CH DMIC array.\n");
+
+	/* 4 Channel DMIC array. */
+	if (nhlt_soc_add_dmic_array(nhlt, 4))
+		printk(BIOS_ERR, "Couldn't add 4CH DMIC arrays.\n");
+
+	/* Maxim MAX98927 Smart Amps for left and right channel */
+	if (nhlt_soc_add_max98927(nhlt, AUDIO_LINK_SSP0))
+		printk(BIOS_ERR, "Couldn't add Maxim MAX98927\n");
+
+	/* Realtek RT5663 Headset codec. */
+	if (nhlt_soc_add_rt5663(nhlt, AUDIO_LINK_SSP1))
+		printk(BIOS_ERR, "Couldn't add Realtek RT5663.\n");
+}
+
+void __attribute__((weak)) variant_nhlt_oem_overrides(const char **oem_id,
+						const char **oem_table_id,
+						uint32_t *oem_revision)
+{
+	*oem_id = "GOOGLE";
+	*oem_table_id = "POPPYMAX";
+	*oem_revision = 0;
+}