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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 */