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0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /*
0003  * Copyright (c) 2020 BayLibre, SAS.
0004  * Author: Jerome Brunet <jbrunet@baylibre.com>
0005  */
0006 
0007 #ifndef _MESON_SND_CARD_H
0008 #define _MESON_SND_CARD_H
0009 
0010 struct device_node;
0011 struct platform_device;
0012 
0013 struct snd_soc_card;
0014 struct snd_pcm_substream;
0015 struct snd_pcm_hw_params;
0016 
0017 #define DT_PREFIX "amlogic,"
0018 
0019 struct meson_card_match_data {
0020     int (*add_link)(struct snd_soc_card *card,
0021             struct device_node *node,
0022             int *index);
0023 };
0024 
0025 struct meson_card {
0026     const struct meson_card_match_data *match_data;
0027     struct snd_soc_card card;
0028     void **link_data;
0029 };
0030 
0031 unsigned int meson_card_parse_daifmt(struct device_node *node,
0032                      struct device_node *cpu_node);
0033 
0034 int meson_card_i2s_set_sysclk(struct snd_pcm_substream *substream,
0035                   struct snd_pcm_hw_params *params,
0036                   unsigned int mclk_fs);
0037 
0038 int meson_card_reallocate_links(struct snd_soc_card *card,
0039                 unsigned int num_links);
0040 int meson_card_parse_dai(struct snd_soc_card *card,
0041              struct device_node *node,
0042              struct device_node **dai_of_node,
0043              const char **dai_name);
0044 int meson_card_set_be_link(struct snd_soc_card *card,
0045                struct snd_soc_dai_link *link,
0046                struct device_node *node);
0047 int meson_card_set_fe_link(struct snd_soc_card *card,
0048                struct snd_soc_dai_link *link,
0049                struct device_node *node,
0050                bool is_playback);
0051 
0052 int meson_card_probe(struct platform_device *pdev);
0053 int meson_card_remove(struct platform_device *pdev);
0054 
0055 #endif /* _MESON_SND_CARD_H */