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 slots;
19 int slot_width;
20 unsigned int tx_slot_mask;
21 unsigned int rx_slot_mask;
22 struct clk *clk;
23};
24
25int 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)
31int asoc_simple_card_set_dailink_name(struct device *dev,
32 struct snd_soc_dai_link *dai_link,
33 const char *fmt, ...);
34int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
35 char *prefix);
36
37#define asoc_simple_card_parse_clk_cpu(node, dai_link, simple_dai) \
38 asoc_simple_card_parse_clk(node, dai_link->cpu_of_node, simple_dai)
39#define asoc_simple_card_parse_clk_codec(node, dai_link, simple_dai) \
40 asoc_simple_card_parse_clk(node, dai_link->codec_of_node, simple_dai)
41int asoc_simple_card_parse_clk(struct device_node *node,
42 struct device_node *dai_of_node,
43 struct asoc_simple_dai *simple_dai);
44
45#define asoc_simple_card_parse_cpu(node, dai_link, \
46 list_name, cells_name, is_single_link) \
47 asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node, \
48 &dai_link->cpu_dai_name, list_name, cells_name, is_single_link)
49#define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name) \
50 asoc_simple_card_parse_dai(node, &dai_link->codec_of_node, \
51 &dai_link->codec_dai_name, list_name, cells_name, NULL)
52#define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name) \
53 asoc_simple_card_parse_dai(node, &dai_link->platform_of_node, \
54 NULL, list_name, cells_name, NULL)
55int asoc_simple_card_parse_dai(struct device_node *node,
56 struct device_node **endpoint_np,
57 const char **dai_name,
58 const char *list_name,
59 const char *cells_name,
60 int *is_single_links);
61
62int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
63 struct asoc_simple_dai *simple_dai);
64
65int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
66void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
67 int is_single_links);
68
69int asoc_simple_card_clean_reference(struct snd_soc_card *card);
70
71#endif /* __SIMPLE_CARD_UTILS_H */