v4.19.13 snapshot.
diff --git a/sound/soc/intel/skylake/skl-i2s.h b/sound/soc/intel/skylake/skl-i2s.h
new file mode 100644
index 0000000..ad0a1bb
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-i2s.h
@@ -0,0 +1,95 @@
+/*
+ * skl-i2s.h - i2s blob mapping
+ *
+ * Copyright (C) 2017 Intel Corp
+ * Author: Subhransu S. Prusty < subhransu.s.prusty@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 __SOUND_SOC_SKL_I2S_H
+#define __SOUND_SOC_SKL_I2S_H
+
+#define SKL_I2S_MAX_TIME_SLOTS 8
+#define SKL_MCLK_DIV_CLK_SRC_MASK GENMASK(17, 16)
+
+#define SKL_MNDSS_DIV_CLK_SRC_MASK GENMASK(21, 20)
+#define SKL_SHIFT(x) (ffs(x) - 1)
+#define SKL_MCLK_DIV_RATIO_MASK GENMASK(11, 0)
+
+#define is_legacy_blob(x) (x.signature != 0xEE)
+#define ext_to_legacy_blob(i2s_config_blob_ext) \
+ ((struct skl_i2s_config_blob_legacy *) i2s_config_blob_ext)
+
+#define get_clk_src(mclk, mask) \
+ ((mclk.mdivctrl & mask) >> SKL_SHIFT(mask))
+struct skl_i2s_config {
+ u32 ssc0;
+ u32 ssc1;
+ u32 sscto;
+ u32 sspsp;
+ u32 sstsa;
+ u32 ssrsa;
+ u32 ssc2;
+ u32 sspsp2;
+ u32 ssc3;
+ u32 ssioc;
+} __packed;
+
+struct skl_i2s_config_mclk {
+ u32 mdivctrl;
+ u32 mdivr;
+};
+
+struct skl_i2s_config_mclk_ext {
+ u32 mdivctrl;
+ u32 mdivr_count;
+ u32 mdivr[0];
+} __packed;
+
+struct skl_i2s_config_blob_signature {
+ u32 minor_ver : 8;
+ u32 major_ver : 8;
+ u32 resvdz : 8;
+ u32 signature : 8;
+} __packed;
+
+struct skl_i2s_config_blob_header {
+ struct skl_i2s_config_blob_signature sig;
+ u32 size;
+};
+
+/**
+ * struct skl_i2s_config_blob_legacy - Structure defines I2S Gateway
+ * configuration legacy blob
+ *
+ * @gtw_attr: Gateway attribute for the I2S Gateway
+ * @tdm_ts_group: TDM slot mapping against channels in the Gateway.
+ * @i2s_cfg: I2S HW registers
+ * @mclk: MCLK clock source and divider values
+ */
+struct skl_i2s_config_blob_legacy {
+ u32 gtw_attr;
+ u32 tdm_ts_group[SKL_I2S_MAX_TIME_SLOTS];
+ struct skl_i2s_config i2s_cfg;
+ struct skl_i2s_config_mclk mclk;
+};
+
+struct skl_i2s_config_blob_ext {
+ u32 gtw_attr;
+ struct skl_i2s_config_blob_header hdr;
+ u32 tdm_ts_group[SKL_I2S_MAX_TIME_SLOTS];
+ struct skl_i2s_config i2s_cfg;
+ struct skl_i2s_config_mclk_ext mclk;
+} __packed;
+#endif /* __SOUND_SOC_SKL_I2S_H */