1 /*
2  * simple_card_utils.h
3  *
4  * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 #ifndef __SIMPLE_CARD_UTILS_H
11 #define __SIMPLE_CARD_UTILS_H
12 
13 #include <sound/soc.h>
14 
15 struct asoc_simple_dai {
16 	const char *name;
17 	unsigned int sysclk;
18 	int slots;
19 	int slot_width;
20 	unsigned int tx_slot_mask;
21 	unsigned int rx_slot_mask;
22 	struct clk *clk;
23 };
24 
25 int asoc_simple_card_parse_daifmt(struct device *dev,
26 				  struct device_node *node,
27 				  struct device_node *codec,
28 				  char *prefix,
29 				  unsigned int *retfmt);
30 __printf(3, 4)
31 int asoc_simple_card_set_dailink_name(struct device *dev,
32 				      struct snd_soc_dai_link *dai_link,
33 				      const char *fmt, ...);
34 int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
35 				     char *prefix);
36 
37 #define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai)		\
38 	asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai)
39 #define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai)	\
40 	asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai)
41 int asoc_simple_card_parse_clk(struct device *dev,
42 			       struct device_node *node,
43 			       struct device_node *dai_of_node,
44 			       struct asoc_simple_dai *simple_dai);
45 
46 #define asoc_simple_card_parse_cpu(node, dai_link,				\
47 				   list_name, cells_name, is_single_link)	\
48 	asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node,		\
49 		&dai_link->cpu_dai_name, list_name, cells_name, is_single_link)
50 #define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name)	\
51 	asoc_simple_card_parse_dai(node, &dai_link->codec_of_node,		\
52 		&dai_link->codec_dai_name, list_name, cells_name, NULL)
53 #define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name)	\
54 	asoc_simple_card_parse_dai(node, &dai_link->platform_of_node,		\
55 		NULL, list_name, cells_name, NULL)
56 int asoc_simple_card_parse_dai(struct device_node *node,
57 				  struct device_node **endpoint_np,
58 				  const char **dai_name,
59 				  const char *list_name,
60 				  const char *cells_name,
61 				  int *is_single_links);
62 
63 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
64 			      struct asoc_simple_dai *simple_dai);
65 
66 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
67 void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
68 				      int is_single_links);
69 
70 int asoc_simple_card_clean_reference(struct snd_soc_card *card);
71 
72 #endif /* __SIMPLE_CARD_UTILS_H */
73