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1/* SPDX-License-Identifier: GPL-2.0 */2/*3 * mtk-soundcard-driver.h -- MediaTek soundcard driver common definition4 *5 * Copyright (c) 2022 MediaTek Inc.6 * Author: Trevor Wu <trevor.wu@mediatek.com>7 */8 9#ifndef _MTK_SOUNDCARD_DRIVER_H_10#define _MTK_SOUNDCARD_DRIVER_H_11 12struct mtk_sof_priv;13struct mtk_soc_card_data;14struct snd_pcm_hw_constraint_list;15 16enum mtk_pcm_constraint_type {17 MTK_CONSTRAINT_PLAYBACK,18 MTK_CONSTRAINT_CAPTURE,19 MTK_CONSTRAINT_HDMIDP,20 MTK_CONSTRAINT_MAX21};22 23struct mtk_pcm_constraints_data {24 const struct snd_pcm_hw_constraint_list *channels;25 const struct snd_pcm_hw_constraint_list *rates;26};27 28struct mtk_platform_card_data {29 struct snd_soc_card *card;30 struct snd_soc_jack *jacks;31 const struct mtk_pcm_constraints_data *pcm_constraints;32 u8 num_jacks;33 u8 num_pcm_constraints;34 u8 flags;35};36 37struct mtk_soundcard_pdata {38 const char *card_name;39 struct mtk_platform_card_data *card_data;40 const struct mtk_sof_priv *sof_priv;41 42 int (*soc_probe)(struct mtk_soc_card_data *card_data, bool legacy);43};44 45/* Common playback/capture card startup ops */46extern const struct snd_soc_ops mtk_soundcard_common_playback_ops;47extern const struct snd_soc_ops mtk_soundcard_common_capture_ops;48 49/* Exported for custom/extended soundcard startup ops */50int mtk_soundcard_startup(struct snd_pcm_substream *substream,51 enum mtk_pcm_constraint_type ctype);52 53int parse_dai_link_info(struct snd_soc_card *card);54void clean_card_reference(struct snd_soc_card *card);55int mtk_soundcard_common_probe(struct platform_device *pdev);56#endif57