1. 根目录:
2. sound
3. soc
4. intel
5. skylake
6. skl-topology.h

/*
 *  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;


struct skl_src_module_cfg {
	struct skl_base_cfg base_cfg;
	enum skl_s_freq src_cfg;
} __packed;

struct notification_mask {
	u32 notify;
	u32 enable;
} __packed;

struct skl_up_down_mixer_cfg {
	struct skl_base_cfg base_cfg;
	enum skl_ch_cfg out_ch_cfg;
	/* This should be set to 1 if user coefficients are required */
	u32 coeff_sel;
	/* Pass the user coeff in this array */
	s32 coeff[UP_DOWN_MIXER_MAX_COEFF];
} __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 time_slot_index:4;
		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;
};

struct skl_pipeline {
	struct skl_pipe *pipe;
	struct list_head node;
};

struct skl_dapm_path_list {
	struct snd_soc_dapm_path *dapm_path;
	struct list_head node;
};

static inline struct skl *get_skl_ctx(struct device *dev)
{
	struct hdac_ext_bus *ebus = dev_get_drvdata(dev);

	return ebus_to_skl(ebus);
}

int skl_tplg_be_update_params(struct snd_soc_dai *dai,
	struct skl_pipe_params *params);
void skl_tplg_set_be_dmic_config(struct snd_soc_dai *dai,
	struct skl_pipe_params *params, int stream);
int skl_tplg_init(struct snd_soc_platform *platform,
				struct hdac_ext_bus *ebus);
struct skl_module_cfg *skl_tplg_fe_get_cpr_module(
		struct snd_soc_dai *dai, int stream);
int skl_tplg_update_pipe_params(struct device *dev,
		struct skl_module_cfg *mconfig, struct skl_pipe_params *params);

int skl_create_pipeline(struct skl_sst *ctx, struct skl_pipe *pipe);

int skl_run_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);

int skl_pause_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);

int skl_delete_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);

int skl_stop_pipe(struct skl_sst *ctx, struct skl_pipe *pipe);

int skl_init_module(struct skl_sst *ctx, struct skl_module_cfg *module_config,
	char *param);

int skl_bind_modules(struct skl_sst *ctx, struct skl_module_cfg
	*src_module, struct skl_module_cfg *dst_module);

int skl_unbind_modules(struct skl_sst *ctx, struct skl_module_cfg
	*src_module, struct skl_module_cfg *dst_module);

enum skl_bitdepth skl_get_bit_depth(int params);
#endif