include/sound/simple_card_utils.h

   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(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)
  41 int 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)
  55 int 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
  62 int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
  63                               struct asoc_simple_dai *simple_dai);
  64
  65 int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
  66 void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
  67                                       int is_single_links);
  68
  69 int asoc_simple_card_clean_reference(struct snd_soc_card *card);
  70
  71 #endif /* __SIMPLE_CARD_UTILS_H */