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 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 */