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