mtk-soundcard-driver.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * mtk-soundcard-driver.h  --  MediaTek soundcard driver common definition
 4 *
 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_MAX
21};
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#endif