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-rw-r--r--kernel/sound/soc/intel/skylake/skl-nhlt.h106
1 files changed, 106 insertions, 0 deletions
diff --git a/kernel/sound/soc/intel/skylake/skl-nhlt.h b/kernel/sound/soc/intel/skylake/skl-nhlt.h
new file mode 100644
index 000000000..3769f9fef
--- /dev/null
+++ b/kernel/sound/soc/intel/skylake/skl-nhlt.h
@@ -0,0 +1,106 @@
+/*
+ * skl-nhlt.h - Intel HDA Platform NHLT header
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Sanjiv Kumar <sanjiv.kumar@intel.com>
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ * 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 __SKL_NHLT_H__
+#define __SKL_NHLT_H__
+
+#include <linux/acpi.h>
+
+struct wav_fmt {
+ u16 fmt_tag;
+ u16 channels;
+ u32 samples_per_sec;
+ u32 avg_bytes_per_sec;
+ u16 block_align;
+ u16 bits_per_sample;
+ u16 cb_size;
+} __packed;
+
+struct wav_fmt_ext {
+ struct wav_fmt fmt;
+ union samples {
+ u16 valid_bits_per_sample;
+ u16 samples_per_block;
+ u16 reserved;
+ } sample;
+ u32 channel_mask;
+ u8 sub_fmt[16];
+} __packed;
+
+enum nhlt_link_type {
+ NHLT_LINK_HDA = 0,
+ NHLT_LINK_DSP = 1,
+ NHLT_LINK_DMIC = 2,
+ NHLT_LINK_SSP = 3,
+ NHLT_LINK_INVALID
+};
+
+enum nhlt_device_type {
+ NHLT_DEVICE_BT = 0,
+ NHLT_DEVICE_DMIC = 1,
+ NHLT_DEVICE_I2S = 4,
+ NHLT_DEVICE_INVALID
+};
+
+struct nhlt_specific_cfg {
+ u32 size;
+ u8 caps[0];
+} __packed;
+
+struct nhlt_fmt_cfg {
+ struct wav_fmt_ext fmt_ext;
+ struct nhlt_specific_cfg config;
+} __packed;
+
+struct nhlt_fmt {
+ u8 fmt_count;
+ struct nhlt_fmt_cfg fmt_config[0];
+} __packed;
+
+struct nhlt_endpoint {
+ u32 length;
+ u8 linktype;
+ u8 instance_id;
+ u16 vendor_id;
+ u16 device_id;
+ u16 revision_id;
+ u32 subsystem_id;
+ u8 device_type;
+ u8 direction;
+ u8 virtual_bus_id;
+ struct nhlt_specific_cfg config;
+} __packed;
+
+struct nhlt_acpi_table {
+ struct acpi_table_header header;
+ u8 endpoint_count;
+ struct nhlt_endpoint desc[0];
+} __packed;
+
+struct nhlt_resource_desc {
+ u32 extra;
+ u16 flags;
+ u64 addr_spc_gra;
+ u64 min_addr;
+ u64 max_addr;
+ u64 addr_trans_offset;
+ u64 length;
+} __packed;
+
+#endif