LXR linux/include/sound/simple_card

   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
  25struct asoc_simple_card_data {
  26        u32 convert_rate;
  27        u32 convert_channels;
  28};
  29
  30int 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)
  36int asoc_simple_card_set_dailink_name(struct device *dev,
  37                                      struct snd_soc_dai_link *dai_link,
  38                                      const char *fmt, ...);
  39int 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)
  48int 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);
  53int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai);
  54void 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)
  66int 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)
  79int 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
  89int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
  90                              struct asoc_simple_dai *simple_dai);
  91
  92int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
  93void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
  94                                      int is_single_links);
  95
  96int asoc_simple_card_clean_reference(struct snd_soc_card *card);
  97
  98void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
  99                                      struct snd_pcm_hw_params *params);
 100void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
 101                                    struct asoc_simple_card_data *data);
 102
 103int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
 104                                      char *prefix,
 105                                      int optional);
 106int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
 107                                      char *prefix);
 108
 109#endif /* __SIMPLE_CARD_UTILS_H */
 110