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 clk_direction;
19 	int slots;
20 	int slot_width;
21 	unsigned int tx_slot_mask;
22 	unsigned int rx_slot_mask;
23 	struct clk *clk;
24 };
25 
26 struct asoc_simple_card_data {
27 	u32 convert_rate;
28 	u32 convert_channels;
29 };
30 
31 int asoc_simple_card_parse_daifmt(struct device *dev,
32 				  struct device_node *node,
33 				  struct device_node *codec,
34 				  char *prefix,
35 				  unsigned int *retfmt);
36 __printf(3, 4)
37 int asoc_simple_card_set_dailink_name(struct device *dev,
38 				      struct snd_soc_dai_link *dai_link,
39 				      const char *fmt, ...);
40 int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
41 				     char *prefix);
42 
43 #define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai)		\
44 	asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai, \
45 				   dai_link->cpu_dai_name)
46 #define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai)	\
47 	asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai,\
48 				   dai_link->codec_dai_name)
49 int asoc_simple_card_parse_clk(struct device *dev,
50 			       struct device_node *node,
51 			       struct device_node *dai_of_node,
52 			       struct asoc_simple_dai *simple_dai,
53 			       const char *name);
54 int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai);
55 void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai);
56 
57 #define asoc_simple_card_parse_cpu(node, dai_link,				\
58 				   list_name, cells_name, is_single_link)	\
59 	asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node,		\
60 		&dai_link->cpu_dai_name, list_name, cells_name, is_single_link)
61 #define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name)	\
62 	asoc_simple_card_parse_dai(node, &dai_link->codec_of_node,		\
63 		&dai_link->codec_dai_name, list_name, cells_name, NULL)
64 #define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name)	\
65 	asoc_simple_card_parse_dai(node, &dai_link->platform_of_node,		\
66 		NULL, list_name, cells_name, NULL)
67 int asoc_simple_card_parse_dai(struct device_node *node,
68 				  struct device_node **endpoint_np,
69 				  const char **dai_name,
70 				  const char *list_name,
71 				  const char *cells_name,
72 				  int *is_single_links);
73 
74 #define asoc_simple_card_parse_graph_cpu(ep, dai_link)			\
75 	asoc_simple_card_parse_graph_dai(ep, &dai_link->cpu_of_node,	\
76 					 &dai_link->cpu_dai_name)
77 #define asoc_simple_card_parse_graph_codec(ep, dai_link)		\
78 	asoc_simple_card_parse_graph_dai(ep, &dai_link->codec_of_node,	\
79 					 &dai_link->codec_dai_name)
80 int asoc_simple_card_parse_graph_dai(struct device_node *ep,
81 				     struct device_node **endpoint_np,
82 				     const char **dai_name);
83 
84 #define asoc_simple_card_of_parse_tdm(np, dai)			\
85 	snd_soc_of_parse_tdm_slot(np,	&(dai)->tx_slot_mask,	\
86 					&(dai)->rx_slot_mask,	\
87 					&(dai)->slots,		\
88 					&(dai)->slot_width);
89 
90 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
91 			      struct asoc_simple_dai *simple_dai);
92 
93 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
94 void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
95 				      int is_single_links);
96 
97 int asoc_simple_card_clean_reference(struct snd_soc_card *card);
98 
99 void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
100 				      struct snd_pcm_hw_params *params);
101 void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
102 				    struct asoc_simple_card_data *data);
103 
104 int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
105 				      char *prefix,
106 				      int optional);
107 int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
108 				      char *prefix);
109 
110 #endif /* __SIMPLE_CARD_UTILS_H */
111