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authorSaurabh Satija <saurabh.satija@intel.com>2016-06-21 14:22:16 -0700
committerAaron Durbin <adurbin@chromium.org>2016-07-01 03:21:09 +0200
commit734aa8713c7d169501ff74c0e7b02ba7e9cd9e71 (patch)
tree9c7fca1fe53cb52b548a6d24e86943a959ae056c /src/soc/intel/apollolake/include
parent36de4652e04fcc2c6d92886404c78225e7b6468c (diff)
soc/intel/apollolake: add initial NHLT support
Provide the initial NHLT support for the following hardware: 1. 2 channel digital microphone array 2. Dialog 7219 headset 3. Maxim 98357 speaker amplifiers. The code utilizes the Intel SoC common NHLT support. Change-Id: Ic31e834a08f29c66512a7a63ad7bb35e0374e86a Signed-off-by: Saurabh Satija <saurabh.satija@intel.com> Signed-off-by: Aaron Durbin <adurbin@chromium.org> Reviewed-on: https://review.coreboot.org/15504 Reviewed-by: Furquan Shaikh <furquan@google.com> Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/soc/intel/apollolake/include')
-rw-r--r--src/soc/intel/apollolake/include/soc/nhlt.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/src/soc/intel/apollolake/include/soc/nhlt.h b/src/soc/intel/apollolake/include/soc/nhlt.h
new file mode 100644
index 0000000000..d49b8cf1cb
--- /dev/null
+++ b/src/soc/intel/apollolake/include/soc/nhlt.h
@@ -0,0 +1,43 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2016 Intel Corp.
+ *
+ * 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; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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_APOLLOLAKE_NHLT_H_
+#define _SOC_APOLLOLAKE_NHLT_H_
+
+#include <nhlt.h>
+
+#define NHLT_VID 0x8086
+#define NHLT_DID_DMIC 0xae20
+#define NHLT_DID_BT 0xae30
+#define NHLT_DID_SSP 0xae34
+
+/* The following link values should be used for the hwlink parameters below. */
+enum {
+ AUDIO_LINK_SSP0,
+ AUDIO_LINK_SSP1,
+ AUDIO_LINK_SSP2,
+ AUDIO_LINK_SSP3,
+ AUDIO_LINK_SSP4,
+ AUDIO_LINK_SSP5,
+ AUDIO_LINK_DMIC,
+};
+
+/* Returns < 0 on error, 0 on success. */
+int nhlt_soc_add_dmic_array(struct nhlt *nhlt, int num_channels);
+int nhlt_soc_add_max98357(struct nhlt *nhlt, int hwlink);
+int nhlt_soc_add_da7219(struct nhlt *nhlt, int hwlink);
+
+#endif