[PATCH 3/6] ASoC: Intel: Skylake: Add functions for DSP module configuration

[Vinod Koul <vinod.koul@intel.com>]

From: Jeeja KP <jeeja.kp@intel.com>

This adds helper functions to configure DSP FW modules and to be used when
the modules is initialized, or when modules have to be bind/unbind.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---
 sound/soc/intel/skylake/skl-messages.c       | 379 ++++++++++++++++++++++++++-
 sound/soc/intel/skylake/skl-topology.h       | 251 ++++++++++++++++++
 sound/soc/intel/skylake/skl-tplg-interface.h |  88 +++++++
 3 files changed, 714 insertions(+), 4 deletions(-)
 create mode 100644 sound/soc/intel/skylake/skl-topology.h
 create mode 100644 sound/soc/intel/skylake/skl-tplg-interface.h

diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index 7c07b76bf0bf..766729451fe3 100644
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -19,13 +19,12 @@
 
 #include <linux/slab.h>
 #include <linux/pci.h>
-#include <sound/core.h>
 #include <sound/pcm.h>
-#include "skl-sst-dsp.h"
-#include "skl-sst-ipc.h"
-#include "skl.h"
 #include "../common/sst-dsp.h"
 #include "../common/sst-dsp-priv.h"
+#include "skl-sst-ipc.h"
+#include "skl-topology.h"
+#include "skl-tplg-interface.h"
 
 static int skl_alloc_dma_buf(struct device *dev,
 		struct snd_dma_buffer *dmab, size_t size)
@@ -131,3 +130,375 @@ int skl_resume_dsp(struct skl *skl)
 
 	return skl_dsp_wake(ctx->dsp);
 }
+
+enum skl_bitdepth skl_get_bit_depth(int params)
+{
+	switch (params) {
+	case 8:
+		return SKL_DEPTH_8BIT;
+
+	case 16:
+		return SKL_DEPTH_16BIT;
+
+	case 24:
+		return SKL_DEPTH_24BIT;
+
+	case 32:
+		return SKL_DEPTH_32BIT;
+
+	default:
+		return SKL_DEPTH_INVALID;
+
+	}
+}
+
+static u32 skl_create_channel_map(enum skl_ch_cfg ch_cfg)
+{
+	u32 config;
+
+	switch (ch_cfg) {
+	case SKL_CH_CFG_MONO:
+		config =  (0xFFFFFFF0 | SKL_CHANNEL_LEFT);
+		break;
+
+	case SKL_CH_CFG_STEREO:
+		config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_RIGHT << 4));
+		break;
+
+	case SKL_CH_CFG_2_1:
+		config = (0xFFFFF000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_RIGHT << 4)
+			| (SKL_CHANNEL_LFE << 8));
+		break;
+
+	case SKL_CH_CFG_3_0:
+		config =  (0xFFFFF000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_CENTER << 4)
+			| (SKL_CHANNEL_RIGHT << 8));
+		break;
+
+	case SKL_CH_CFG_3_1:
+		config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_CENTER << 4)
+			| (SKL_CHANNEL_RIGHT << 8)
+			| (SKL_CHANNEL_LFE << 12));
+		break;
+
+	case SKL_CH_CFG_QUATRO:
+		config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_RIGHT << 4)
+			| (SKL_CHANNEL_LEFT_SURROUND << 8)
+			| (SKL_CHANNEL_RIGHT_SURROUND << 12));
+		break;
+
+	case SKL_CH_CFG_4_0:
+		config = (0xFFFF0000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_CENTER << 4)
+			| (SKL_CHANNEL_RIGHT << 8)
+			| (SKL_CHANNEL_CENTER_SURROUND << 12));
+		break;
+
+	case SKL_CH_CFG_5_0:
+		config = (0xFFF00000 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_CENTER << 4)
+			| (SKL_CHANNEL_RIGHT << 8)
+			| (SKL_CHANNEL_LEFT_SURROUND << 12)
+			| (SKL_CHANNEL_RIGHT_SURROUND << 16));
+		break;
+
+	case SKL_CH_CFG_5_1:
+		config = (0xFF000000 | SKL_CHANNEL_CENTER
+			| (SKL_CHANNEL_LEFT << 4)
+			| (SKL_CHANNEL_RIGHT << 8)
+			| (SKL_CHANNEL_LEFT_SURROUND << 12)
+			| (SKL_CHANNEL_RIGHT_SURROUND << 16)
+			| (SKL_CHANNEL_LFE << 20));
+		break;
+
+	case SKL_CH_CFG_DUAL_MONO:
+		config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_LEFT << 4));
+		break;
+
+	case SKL_CH_CFG_I2S_DUAL_STEREO_0:
+		config = (0xFFFFFF00 | SKL_CHANNEL_LEFT
+			| (SKL_CHANNEL_RIGHT << 4));
+		break;
+
+	case SKL_CH_CFG_I2S_DUAL_STEREO_1:
+		config = (0xFFFF00FF | (SKL_CHANNEL_LEFT << 8)
+			| (SKL_CHANNEL_RIGHT << 12));
+		break;
+
+	default:
+		config =  0xFFFFFFFF;
+	}
+
+	return config;
+}
+
+/*
+ * Fills in base_cfg structure
+ * base_cfg is sent as input buffer with INIT_INSTANCE IPC msg
+ */
+static void skl_set_base_module_format(struct skl_sst *ctx,
+			struct skl_module_cfg *mconfig,
+			struct skl_base_cfg *base_cfg)
+{
+	struct skl_module_fmt *format = &mconfig->in_fmt;
+
+	base_cfg->audio_fmt.number_of_channels = (u8)format->channels;
+
+	base_cfg->audio_fmt.s_freq = format->s_freq;
+	base_cfg->audio_fmt.bit_depth = format->bit_depth;
+	base_cfg->audio_fmt.valid_bit_depth = format->valid_bit_depth;
+	base_cfg->audio_fmt.ch_cfg = format->ch_cfg;
+
+	dev_dbg(ctx->dev, "bit_depth=%x valid_bd=%x ch_config=%x\n",
+			format->bit_depth, format->valid_bit_depth,
+			format->ch_cfg);
+
+	base_cfg->audio_fmt.channel_map = skl_create_channel_map(
+					base_cfg->audio_fmt.ch_cfg);
+
+	base_cfg->audio_fmt.interleaving = SKL_INTERLEAVING_PER_CHANNEL;
+
+	base_cfg->cps = mconfig->mcps;
+	base_cfg->ibs = mconfig->ibs;
+	base_cfg->obs = mconfig->obs;
+}
+
+/*
+ * Copies copier capabilities into copier module and updates copier module
+ * config size.
+ */
+static void skl_copy_copier_caps(struct skl_module_cfg *mconfig,
+				struct skl_cpr_cfg *cpr_mconfig)
+{
+	if (mconfig->formats_config.caps_size == 0)
+		return;
+
+	memcpy(cpr_mconfig->gtw_cfg.config_data,
+			mconfig->formats_config.caps,
+			mconfig->formats_config.caps_size);
+
+	cpr_mconfig->gtw_cfg.config_length =
+			(mconfig->formats_config.caps_size) / 4;
+}
+
+static void skl_setup_cpr_gateway_cfg(struct skl_sst *ctx,
+			struct skl_module_cfg *mconfig,
+			struct skl_cpr_cfg *cpr_mconfig)
+{
+	union skl_connector_node_id node_id = {0};
+	struct skl_pipe_params *params = mconfig->pipe->p_params;
+
+	switch (mconfig->dev_type) {
+	case SKL_DEVICE_BT:
+		node_id.node.dma_type =
+			(SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+			SKL_DMA_I2S_LINK_OUTPUT_CLASS :
+			SKL_DMA_I2S_LINK_INPUT_CLASS;
+		node_id.node.vindex = params->host_dma_id +
+					(mconfig->vbus_id << 3);
+		break;
+
+	case SKL_DEVICE_I2S:
+		node_id.node.dma_type =
+			(SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+			SKL_DMA_I2S_LINK_OUTPUT_CLASS :
+			SKL_DMA_I2S_LINK_INPUT_CLASS;
+		node_id.node.vindex = params->host_dma_id +
+					 (mconfig->time_slot << 1) +
+					 (mconfig->vbus_id << 3);
+		break;
+
+	case SKL_DEVICE_DMIC:
+		node_id.node.dma_type = SKL_DMA_DMIC_LINK_INPUT_CLASS;
+		node_id.node.vindex = mconfig->vbus_id +
+					 (mconfig->time_slot);
+		break;
+
+	case SKL_DEVICE_HDALINK:
+		node_id.node.dma_type =
+			(SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+			SKL_DMA_HDA_LINK_OUTPUT_CLASS :
+			SKL_DMA_HDA_LINK_INPUT_CLASS;
+		node_id.node.vindex = params->link_dma_id;
+		break;
+
+	default:
+		node_id.node.dma_type =
+			(SKL_CONN_SOURCE == mconfig->hw_conn_type) ?
+			SKL_DMA_HDA_HOST_OUTPUT_CLASS :
+			SKL_DMA_HDA_HOST_INPUT_CLASS;
+		node_id.node.vindex = params->host_dma_id;
+		break;
+	}
+
+	cpr_mconfig->gtw_cfg.node_id = node_id.val;
+
+	if (SKL_CONN_SOURCE == mconfig->hw_conn_type)
+		cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->obs;
+	else
+		cpr_mconfig->gtw_cfg.dma_buffer_size = 2 * mconfig->ibs;
+
+	cpr_mconfig->cpr_feature_mask = 0;
+	cpr_mconfig->gtw_cfg.config_length  = 0;
+
+	skl_copy_copier_caps(mconfig, cpr_mconfig);
+}
+
+static void skl_setup_out_format(struct skl_sst *ctx,
+			struct skl_module_cfg *mconfig,
+			struct skl_audio_data_format *out_fmt)
+{
+	struct skl_module_fmt *format = &mconfig->out_fmt;
+
+	out_fmt->number_of_channels = (u8)format->channels;
+	out_fmt->s_freq = format->s_freq;
+	out_fmt->bit_depth = format->bit_depth;
+	out_fmt->valid_bit_depth = format->valid_bit_depth;
+	out_fmt->ch_cfg = format->ch_cfg;
+
+	out_fmt->channel_map = skl_create_channel_map(out_fmt->ch_cfg);
+	out_fmt->interleaving = SKL_INTERLEAVING_PER_CHANNEL;
+
+	dev_dbg(ctx->dev, "copier out format chan=%d fre=%d bitdepth=%d\n",
+		out_fmt->number_of_channels, format->s_freq, format->bit_depth);
+}
+
+/*
+ * copier_module_config is sent as input buffer with INIT_INSTANCE IPC msg
+ */
+static void skl_set_copier_format(struct skl_sst *ctx,
+			struct skl_module_cfg *mconfig,
+			struct skl_cpr_cfg *cpr_mconfig)
+{
+	struct skl_audio_data_format *out_fmt = &cpr_mconfig->out_fmt;
+	struct skl_base_cfg *base_cfg = (struct skl_base_cfg *)cpr_mconfig;
+
+	skl_set_base_module_format(ctx, mconfig, base_cfg);
+
+	skl_setup_out_format(ctx, mconfig, out_fmt);
+	skl_setup_cpr_gateway_cfg(ctx, mconfig, cpr_mconfig);
+}
+
+static u16 skl_get_module_param_size(struct skl_sst *ctx,
+			struct skl_module_cfg *mconfig)
+{
+	u16 param_size;
+
+	switch (mconfig->m_type) {
+	case SKL_MODULE_TYPE_COPIER:
+		param_size = sizeof(struct skl_cpr_cfg);
+		param_size += mconfig->formats_config.caps_size;
+		return param_size;
+
+	default:
+		/*
+		 * return only base cfg when no specific module type is
+		 * specified
+		 */
+		return sizeof(struct skl_base_cfg);
+	}
+
+	return 0;
+}
+
+static int skl_set_module_format(struct skl_sst *ctx,
+			struct skl_module_cfg *module_config,
+			u16 *module_config_size,
+			void **param_data)
+{
+	u16 param_size;
+
+	param_size  = skl_get_module_param_size(ctx, module_config);
+
+	*param_data = kzalloc(param_size, GFP_KERNEL);
+	if (NULL == *param_data)
+		return -ENOMEM;
+
+	*module_config_size = param_size;
+
+	switch (module_config->m_type) {
+	case SKL_MODULE_TYPE_COPIER:
+		skl_set_copier_format(ctx, module_config, *param_data);
+		break;
+
+	default:
+		skl_set_base_module_format(ctx, module_config, *param_data);
+	}
+
+	dev_dbg(ctx->dev, "Module type=%d config size: %d bytes\n",
+			module_config->id.module_id, param_size);
+	print_hex_dump_bytes("Module params :\n", DUMP_PREFIX_OFFSET,
+			param_data, param_size);
+	return 0;
+}
+
+static struct skl_module_pin skl_get_queue(struct skl_module_pin *mpin,
+				struct skl_module_inst_id id, int max)
+{
+	int i;
+	struct skl_module_pin m_pin;
+
+	m_pin.pin_index = -EINVAL;
+
+	/*
+	 * if pin in dynamic, find first free pin
+	 * otherwise find match module and instance id pin
+	 */
+	for (i = 0; i < max; i++)  {
+		if (mpin[i].is_dynamic) {
+			if (!mpin[i].in_use)
+				return mpin[i];
+		} else {
+			if (mpin[i].id.module_id == id.module_id &&
+				mpin[i].id.instance_id == id.instance_id)
+				return mpin[i];
+		}
+	}
+
+	return m_pin;
+}
+
+/*
+ * Allocates queue for each module.
+ * if dynamic, the pin_index is allocated 0 to max_pin.
+ * In static, the pin_index is fixed based on module_id and instance id
+ */
+static int skl_alloc_queue(struct skl_module_pin *mpin,
+			struct skl_module_inst_id id, int max)
+{
+	struct skl_module_pin m_pin = skl_get_queue(mpin, id, max);
+
+	if (m_pin.pin_index < 0)
+		return -EINVAL;
+
+	if (m_pin.is_dynamic) {
+			m_pin.in_use = true;
+			m_pin.id.module_id = id.module_id;
+			m_pin.id.instance_id = id.instance_id;
+	}
+
+	return m_pin.pin_index;
+}
+
+static int skl_free_queue(struct skl_module_pin *mpin,
+			struct skl_module_inst_id id, int max)
+{
+	struct skl_module_pin m_pin = skl_get_queue(mpin, id, max);
+
+	if (m_pin.pin_index < 0)
+		return -EINVAL;
+
+	if (m_pin.is_dynamic) {
+		m_pin.in_use = false;
+		m_pin.id.module_id = 0;
+		m_pin.id.instance_id = 0;
+	}
+
+	return m_pin.pin_index;
+}
diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
new file mode 100644
index 000000000000..6ba137a43e68
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -0,0 +1,251 @@
+/*
+ *  skl_topology.h - Intel HDA Platform topology header file
+ *
+ *  Copyright (C) 2014-15 Intel Corp
+ *  Author: Jeeja KP <jeeja.kp@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_TOPOLOGY_H__
+#define __SKL_TOPOLOGY_H__
+
+#include <linux/types.h>
+
+#include <sound/hdaudio_ext.h>
+#include <sound/soc.h>
+#include "skl.h"
+#include "skl-tplg-interface.h"
+
+#define BITS_PER_BYTE 8
+#define MAX_TS_GROUPS 8
+#define MAX_DMIC_TS_GROUPS 4
+#define MAX_FIXED_DMIC_PARAMS_SIZE 727
+
+/* Maximum number of coefficients up down mixer module */
+#define UP_DOWN_MIXER_MAX_COEFF		6
+
+enum skl_channel_index {
+	SKL_CHANNEL_LEFT = 0,
+	SKL_CHANNEL_RIGHT = 1,
+	SKL_CHANNEL_CENTER = 2,
+	SKL_CHANNEL_LEFT_SURROUND = 3,
+	SKL_CHANNEL_CENTER_SURROUND = 3,
+	SKL_CHANNEL_RIGHT_SURROUND = 4,
+	SKL_CHANNEL_LFE = 7,
+	SKL_CHANNEL_INVALID = 0xF,
+};
+
+enum skl_bitdepth {
+	SKL_DEPTH_8BIT = 8,
+	SKL_DEPTH_16BIT = 16,
+	SKL_DEPTH_24BIT = 24,
+	SKL_DEPTH_32BIT = 32,
+	SKL_DEPTH_INVALID
+};
+
+enum skl_interleaving {
+	/* [s1_ch1...s1_chN,...,sM_ch1...sM_chN] */
+	SKL_INTERLEAVING_PER_CHANNEL = 0,
+	/* [s1_ch1...sM_ch1,...,s1_chN...sM_chN] */
+	SKL_INTERLEAVING_PER_SAMPLE = 1,
+};
+
+enum skl_s_freq {
+	SKL_FS_8000 = 8000,
+	SKL_FS_11025 = 11025,
+	SKL_FS_12000 = 12000,
+	SKL_FS_16000 = 16000,
+	SKL_FS_22050 = 22050,
+	SKL_FS_24000 = 24000,
+	SKL_FS_32000 = 32000,
+	SKL_FS_44100 = 44100,
+	SKL_FS_48000 = 48000,
+	SKL_FS_64000 = 64000,
+	SKL_FS_88200 = 88200,
+	SKL_FS_96000 = 96000,
+	SKL_FS_128000 = 128000,
+	SKL_FS_176400 = 176400,
+	SKL_FS_192000 = 192000,
+	SKL_FS_INVALID
+};
+
+enum skl_widget_type {
+	SKL_WIDGET_VMIXER = 1,
+	SKL_WIDGET_MIXER = 2,
+	SKL_WIDGET_PGA = 3,
+	SKL_WIDGET_MUX = 4
+};
+
+struct skl_audio_data_format {
+	enum skl_s_freq s_freq;
+	enum skl_bitdepth bit_depth;
+	u32 channel_map;
+	enum skl_ch_cfg ch_cfg;
+	enum skl_interleaving interleaving;
+	u8 number_of_channels;
+	u8 valid_bit_depth;
+	u8 sample_type;
+	u8 reserved[1];
+} __packed;
+
+struct skl_base_cfg {
+	u32 cps;
+	u32 ibs;
+	u32 obs;
+	u32 is_pages;
+	struct skl_audio_data_format audio_fmt;
+};
+
+struct skl_cpr_gtw_cfg {
+	u32 node_id;
+	u32 dma_buffer_size;
+	u32 config_length;
+	/* not mandatory; required only for DMIC/I2S */
+	u32 config_data[1];
+} __packed;
+
+struct skl_cpr_cfg {
+	struct skl_base_cfg base_cfg;
+	struct skl_audio_data_format out_fmt;
+	u32 cpr_feature_mask;
+	struct skl_cpr_gtw_cfg gtw_cfg;
+} __packed;
+
+enum skl_dma_type {
+	SKL_DMA_HDA_HOST_OUTPUT_CLASS = 0,
+	SKL_DMA_HDA_HOST_INPUT_CLASS = 1,
+	SKL_DMA_HDA_HOST_INOUT_CLASS = 2,
+	SKL_DMA_HDA_LINK_OUTPUT_CLASS = 8,
+	SKL_DMA_HDA_LINK_INPUT_CLASS = 9,
+	SKL_DMA_HDA_LINK_INOUT_CLASS = 0xA,
+	SKL_DMA_DMIC_LINK_INPUT_CLASS = 0xB,
+	SKL_DMA_I2S_LINK_OUTPUT_CLASS = 0xC,
+	SKL_DMA_I2S_LINK_INPUT_CLASS = 0xD,
+};
+
+union skl_ssp_dma_node {
+	u8 val;
+	struct {
+		u8 dual_mono:1;
+		u8 time_slot:3;
+		u8 i2s_instance:4;
+	} dma_node;
+};
+
+union skl_connector_node_id {
+	u32 val;
+	struct {
+		u32 vindex:8;
+		u32 dma_type:4;
+		u32 rsvd:20;
+	} node;
+};
+
+struct skl_module_fmt {
+	u32 channels;
+	u32 s_freq;
+	u32 bit_depth;
+	u32 valid_bit_depth;
+	u32 ch_cfg;
+};
+
+struct skl_module_inst_id {
+	u32 module_id;
+	u32 instance_id;
+};
+
+struct skl_module_pin {
+	struct skl_module_inst_id id;
+	u8 pin_index;
+	bool is_dynamic;
+	bool in_use;
+};
+
+struct skl_specific_cfg {
+	u32 caps_size;
+	u32 *caps;
+};
+
+enum skl_pipe_state {
+	SKL_PIPE_INVALID = 0,
+	SKL_PIPE_CREATED = 1,
+	SKL_PIPE_PAUSED = 2,
+	SKL_PIPE_STARTED = 3
+};
+
+struct skl_pipe_module {
+	struct snd_soc_dapm_widget *w;
+	struct list_head node;
+};
+
+struct skl_pipe_params {
+	u8 host_dma_id;
+	u8 link_dma_id;
+	u32 ch;
+	u32 s_freq;
+	u32 s_fmt;
+	u8 linktype;
+	int stream;
+};
+
+struct skl_pipe {
+	u8 ppl_id;
+	u8 pipe_priority;
+	u16 conn_type;
+	u32 memory_pages;
+	struct skl_pipe_params *p_params;
+	enum skl_pipe_state state;
+	struct list_head w_list;
+};
+
+enum skl_module_state {
+	SKL_MODULE_UNINIT = 0,
+	SKL_MODULE_INIT_DONE = 1,
+	SKL_MODULE_LOADED = 2,
+	SKL_MODULE_UNLOADED = 3,
+	SKL_MODULE_BIND_DONE = 4
+};
+
+struct skl_module_cfg {
+	struct skl_module_inst_id id;
+	struct skl_module_fmt in_fmt;
+	struct skl_module_fmt out_fmt;
+	u8 max_in_queue;
+	u8 max_out_queue;
+	u8 in_queue_mask;
+	u8 out_queue_mask;
+	u8 in_queue;
+	u8 out_queue;
+	u32 mcps;
+	u32 ibs;
+	u32 obs;
+	u8 is_loadable;
+	u8 core_id;
+	u8 dev_type;
+	u8 dma_id;
+	u8 time_slot;
+	u32 params_fixup;
+	u32 converter;
+	u32 vbus_id;
+	struct skl_module_pin *m_in_pin;
+	struct skl_module_pin *m_out_pin;
+	enum skl_module_type m_type;
+	enum skl_hw_conn_type  hw_conn_type;
+	enum skl_module_state m_state;
+	struct skl_pipe *pipe;
+	struct skl_specific_cfg formats_config;
+};
+enum skl_bitdepth skl_get_bit_depth(int params);
+#endif
diff --git a/sound/soc/intel/skylake/skl-tplg-interface.h b/sound/soc/intel/skylake/skl-tplg-interface.h
new file mode 100644
index 000000000000..a50689825bca
--- /dev/null
+++ b/sound/soc/intel/skylake/skl-tplg-interface.h
@@ -0,0 +1,88 @@
+/*
+ * skl-tplg-interface.h - Intel DSP FW private data interface
+ *
+ * Copyright (C) 2015 Intel Corp
+ * Author: Jeeja KP <jeeja.kp@intel.com>
+ *	    Nilofer, Samreen <samreen.nilofer@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 version 2, as
+ * published by the Free Software Foundation.
+ *
+ * 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 __HDA_TPLG_INTERFACE_H__
+#define __HDA_TPLG_INTERFACE_H__
+
+/**
+ * enum skl_ch_cfg - channel configuration
+ *
+ * @SKL_CH_CFG_MONO:	One channel only
+ * @SKL_CH_CFG_STEREO:	L & R
+ * @SKL_CH_CFG_2_1:	L, R & LFE
+ * @SKL_CH_CFG_3_0:	L, C & R
+ * @SKL_CH_CFG_3_1:	L, C, R & LFE
+ * @SKL_CH_CFG_QUATRO:	L, R, Ls & Rs
+ * @SKL_CH_CFG_4_0:	L, C, R & Cs
+ * @SKL_CH_CFG_5_0:	L, C, R, Ls & Rs
+ * @SKL_CH_CFG_5_1:	L, C, R, Ls, Rs & LFE
+ * @SKL_CH_CFG_DUAL_MONO: One channel replicated in two
+ * @SKL_CH_CFG_I2S_DUAL_STEREO_0: Stereo(L,R) in 4 slots, 1st stream:[ L, R, -, - ]
+ * @SKL_CH_CFG_I2S_DUAL_STEREO_1: Stereo(L,R) in 4 slots, 2nd stream:[ -, -, L, R ]
+ * @SKL_CH_CFG_INVALID:	Invalid
+ */
+enum skl_ch_cfg {
+	SKL_CH_CFG_MONO = 0,
+	SKL_CH_CFG_STEREO = 1,
+	SKL_CH_CFG_2_1 = 2,
+	SKL_CH_CFG_3_0 = 3,
+	SKL_CH_CFG_3_1 = 4,
+	SKL_CH_CFG_QUATRO = 5,
+	SKL_CH_CFG_4_0 = 6,
+	SKL_CH_CFG_5_0 = 7,
+	SKL_CH_CFG_5_1 = 8,
+	SKL_CH_CFG_DUAL_MONO = 9,
+	SKL_CH_CFG_I2S_DUAL_STEREO_0 = 10,
+	SKL_CH_CFG_I2S_DUAL_STEREO_1 = 11,
+	SKL_CH_CFG_INVALID
+};
+
+enum skl_module_type {
+	SKL_MODULE_TYPE_MIXER = 0,
+	SKL_MODULE_TYPE_COPIER,
+	SKL_MODULE_TYPE_UPDWMIX,
+	SKL_MODULE_TYPE_SRCINT
+};
+
+enum skl_core_affinity {
+	SKL_AFFINITY_CORE_0 = 0,
+	SKL_AFFINITY_CORE_1,
+	SKL_AFFINITY_CORE_MAX
+};
+
+enum skl_pipe_conn_type {
+	SKL_PIPE_CONN_TYPE_NONE = 0,
+	SKL_PIPE_CONN_TYPE_FE,
+	SKL_PIPE_CONN_TYPE_BE
+};
+
+enum skl_hw_conn_type {
+	SKL_CONN_NONE = 0,
+	SKL_CONN_SOURCE = 1,
+	SKL_CONN_SINK = 2
+};
+
+enum skl_dev_type {
+	SKL_DEVICE_BT = 0x0,
+	SKL_DEVICE_DMIC = 0x1,
+	SKL_DEVICE_I2S = 0x2,
+	SKL_DEVICE_SLIMBUS = 0x3,
+	SKL_DEVICE_HDALINK = 0x4,
+	SKL_DEVICE_NONE
+};
+#endif
-- 
1.9.1