linux/sound/soc/sof/intel/hda-dai.c

// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license.  When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation
//
// Authors: Keyon Jie <[email protected]>
//

#include <sound/pcm_params.h>
#include <sound/hdaudio_ext.h>
#include <sound/hda-mlink.h>
#include <sound/hda_register.h>
#include <sound/intel-nhlt.h>
#include <sound/sof/ipc4/header.h>
#include <uapi/sound/sof/header.h>
#include "../ipc4-priv.h"
#include "../ipc4-topology.h"
#include "../sof-priv.h"
#include "../sof-audio.h"
#include "hda.h"

/*
 * The default method is to fetch NHLT from BIOS. With this parameter set
 * it is possible to override that with NHLT in the SOF topology manifest.
 */
static bool hda_use_tplg_nhlt;
module_param_named(sof_use_tplg_nhlt, hda_use_tplg_nhlt, bool, 0444);
MODULE_PARM_DESC(…) …;

int hda_dai_config(struct snd_soc_dapm_widget *w, unsigned int flags,
		   struct snd_sof_dai_config_data *data)
{ … }
EXPORT_SYMBOL_NS(…);

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)

static struct snd_sof_dev *dai_to_sdev(struct snd_pcm_substream *substream,
				       struct snd_soc_dai *cpu_dai)
{ … }

static const struct hda_dai_widget_dma_ops *
hda_dai_get_ops(struct snd_pcm_substream *substream, struct snd_soc_dai *cpu_dai)
{ … }

int hda_link_dma_cleanup(struct snd_pcm_substream *substream, struct hdac_ext_stream *hext_stream,
			 struct snd_soc_dai *cpu_dai)
{ … }

static int hda_link_dma_hw_params(struct snd_pcm_substream *substream,
				  struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai)
{ … }

static int __maybe_unused hda_dai_hw_free(struct snd_pcm_substream *substream,
					  struct snd_soc_dai *cpu_dai)
{ … }

static int __maybe_unused hda_dai_hw_params_data(struct snd_pcm_substream *substream,
						 struct snd_pcm_hw_params *params,
						 struct snd_soc_dai *dai,
						 struct snd_sof_dai_config_data *data,
						 unsigned int flags)
{ … }

static int __maybe_unused hda_dai_hw_params(struct snd_pcm_substream *substream,
					    struct snd_pcm_hw_params *params,
					    struct snd_soc_dai *dai)
{ … }

/*
 * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes
 * (over IPC channel) and DMA state change (direct host register changes).
 */
static int __maybe_unused hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
					  struct snd_soc_dai *dai)
{ … }

#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)

static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
{ … }

static const struct snd_soc_dai_ops hda_dai_ops = …;

#endif

static struct sof_ipc4_copier *widget_to_copier(struct snd_soc_dapm_widget *w)
{ … }

static int non_hda_dai_hw_params_data(struct snd_pcm_substream *substream,
				      struct snd_pcm_hw_params *params,
				      struct snd_soc_dai *cpu_dai,
				      struct snd_sof_dai_config_data *data,
				      unsigned int flags)
{ … }

static int non_hda_dai_hw_params(struct snd_pcm_substream *substream,
				 struct snd_pcm_hw_params *params,
				 struct snd_soc_dai *cpu_dai)
{ … }

static int non_hda_dai_prepare(struct snd_pcm_substream *substream,
			       struct snd_soc_dai *cpu_dai)
{ … }

static const struct snd_soc_dai_ops ssp_dai_ops = …;

static const struct snd_soc_dai_ops dmic_dai_ops = …;

int sdw_hda_dai_hw_params(struct snd_pcm_substream *substream,
			  struct snd_pcm_hw_params *params,
			  struct snd_soc_dai *cpu_dai,
			  int link_id,
			  int intel_alh_id)
{ … }
EXPORT_SYMBOL_NS(…);

int sdw_hda_dai_hw_free(struct snd_pcm_substream *substream,
			struct snd_soc_dai *cpu_dai,
			int link_id)
{ … }
EXPORT_SYMBOL_NS(…);

int sdw_hda_dai_trigger(struct snd_pcm_substream *substream, int cmd,
			struct snd_soc_dai *cpu_dai)
{ … }
EXPORT_SYMBOL_NS(…);

static int hda_dai_suspend(struct hdac_bus *bus)
{ … }

static void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
{ … }

static void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
{ … }

#else

static inline void ssp_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}
static inline void dmic_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops) {}

#endif /* CONFIG_SND_SOC_SOF_HDA_LINK */

void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
{ … }
EXPORT_SYMBOL_NS(…);

void hda_ops_free(struct snd_sof_dev *sdev)
{ … }
EXPORT_SYMBOL_NS(…);

/*
 * common dai driver for skl+ platforms.
 * some products who use this DAI array only physically have a subset of
 * the DAIs, but no harm is done here by adding the whole set.
 */
struct snd_soc_dai_driver skl_dai[] = …;
EXPORT_SYMBOL_NS(…);

int hda_dsp_dais_suspend(struct snd_sof_dev *sdev)
{ … }