xref: /openbmc/linux/sound/soc/meson/meson-card.h (revision 234489ac)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2020 BayLibre, SAS.
4  * Author: Jerome Brunet <jbrunet@baylibre.com>
5  */
6 
7 #ifndef _MESON_SND_CARD_H
8 #define _MESON_SND_CARD_H
9 
10 struct device_node;
11 struct platform_device;
12 
13 struct snd_soc_card;
14 struct snd_pcm_substream;
15 struct snd_pcm_hw_params;
16 
17 #define DT_PREFIX "amlogic,"
18 
19 struct meson_card_match_data {
20 	int (*add_link)(struct snd_soc_card *card,
21 			struct device_node *node,
22 			int *index);
23 };
24 
25 struct meson_card {
26 	const struct meson_card_match_data *match_data;
27 	struct snd_soc_card card;
28 	void **link_data;
29 };
30 
31 unsigned int meson_card_parse_daifmt(struct device_node *node,
32 				     struct device_node *cpu_node);
33 
34 int meson_card_i2s_set_sysclk(struct snd_pcm_substream *substream,
35 			      struct snd_pcm_hw_params *params,
36 			      unsigned int mclk_fs);
37 
38 int meson_card_reallocate_links(struct snd_soc_card *card,
39 				unsigned int num_links);
40 int meson_card_parse_dai(struct snd_soc_card *card,
41 			 struct device_node *node,
42 			 struct device_node **dai_of_node,
43 			 const char **dai_name);
44 int meson_card_set_be_link(struct snd_soc_card *card,
45 			   struct snd_soc_dai_link *link,
46 			   struct device_node *node);
47 int meson_card_set_fe_link(struct snd_soc_card *card,
48 			   struct snd_soc_dai_link *link,
49 			   struct device_node *node,
50 			   bool is_playback);
51 
52 int meson_card_probe(struct platform_device *pdev);
53 int meson_card_remove(struct platform_device *pdev);
54 
55 #endif /* _MESON_SND_CARD_H */
56