tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
15struct 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
26struct asoc_simple_card_data {
27 u32 convert_rate;
28 u32 convert_channels;
29};
30
31int 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)
37int asoc_simple_card_set_dailink_name(struct device *dev,
38 struct snd_soc_dai_link *dai_link,
39 const char *fmt, ...);
40int 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)
49int 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);
54int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai);
55void 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)
67int 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)
80int 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
90int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
91 struct asoc_simple_dai *simple_dai);
92
93int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
94void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
95 int is_single_links);
96
97int asoc_simple_card_clean_reference(struct snd_soc_card *card);
98
99void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
100 struct snd_pcm_hw_params *params);
101void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
102 struct asoc_simple_card_data *data);
103
104int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
105 char *prefix,
106 int optional);
107int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
108 char *prefix);
109
110#endif /* __SIMPLE_CARD_UTILS_H */