include/sound/simple_card_utils.h

   1 /* SPDX-License-Identifier: GPL-2.0
   2  *
   3  * simple_card_utils.h
   4  *
   5  * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
   6  */
   7
   8 #ifndef __SIMPLE_CARD_UTILS_H
   9 #define __SIMPLE_CARD_UTILS_H
  10
  11 #include <sound/soc.h>
  12
  13 #define asoc_simple_init_hp(card, sjack, prefix) \
  14         asoc_simple_init_jack(card, sjack, 1, prefix)
  15 #define asoc_simple_init_mic(card, sjack, prefix) \
  16         asoc_simple_init_jack(card, sjack, 0, prefix)
  17
  18 struct asoc_simple_dai {
  19         const char *name;
  20         unsigned int sysclk;
  21         int clk_direction;
  22         int slots;
  23         int slot_width;
  24         unsigned int tx_slot_mask;
  25         unsigned int rx_slot_mask;
  26         struct clk *clk;
  27 };
  28
  29 struct asoc_simple_data {
  30         u32 convert_rate;
  31         u32 convert_channels;
  32 };
  33
  34 struct asoc_simple_jack {
  35         struct snd_soc_jack jack;
  36         struct snd_soc_jack_pin pin;
  37         struct snd_soc_jack_gpio gpio;
  38 };
  39
  40 struct asoc_simple_priv {
  41         struct snd_soc_card snd_card;
  42         struct simple_dai_props {
  43                 struct asoc_simple_dai *cpu_dai;
  44                 struct asoc_simple_dai *codec_dai;
  45                 struct snd_soc_dai_link_component cpus;   /* single cpu */
  46                 struct snd_soc_dai_link_component codecs; /* single codec */
  47                 struct snd_soc_dai_link_component platforms;
  48                 struct asoc_simple_data adata;
  49                 struct snd_soc_codec_conf *codec_conf;
  50                 unsigned int mclk_fs;
  51         } *dai_props;
  52         struct asoc_simple_jack hp_jack;
  53         struct asoc_simple_jack mic_jack;
  54         struct snd_soc_dai_link *dai_link;
  55         struct asoc_simple_dai *dais;
  56         struct snd_soc_codec_conf *codec_conf;
  57         struct gpio_desc *pa_gpio;
  58 };
  59 #define simple_priv_to_card(priv)       (&(priv)->snd_card)
  60 #define simple_priv_to_props(priv, i)   ((priv)->dai_props + (i))
  61 #define simple_priv_to_dev(priv)        (simple_priv_to_card(priv)->dev)
  62 #define simple_priv_to_link(priv, i)    (simple_priv_to_card(priv)->dai_link + (i))
  63
  64 struct link_info {
  65         int dais; /* number of dai  */
  66         int link; /* number of link */
  67         int conf; /* number of codec_conf */
  68         int cpu;  /* turn for CPU / Codec */
  69 };
  70
  71 int asoc_simple_parse_daifmt(struct device *dev,
  72                              struct device_node *node,
  73                              struct device_node *codec,
  74                              char *prefix,
  75                              unsigned int *retfmt);
  76 __printf(3, 4)
  77 int asoc_simple_set_dailink_name(struct device *dev,
  78                                  struct snd_soc_dai_link *dai_link,
  79                                  const char *fmt, ...);
  80 int asoc_simple_parse_card_name(struct snd_soc_card *card,
  81                                 char *prefix);
  82
  83 #define asoc_simple_parse_clk_cpu(dev, node, dai_link, simple_dai)              \
  84         asoc_simple_parse_clk(dev, node, simple_dai, dai_link->cpus)
  85 #define asoc_simple_parse_clk_codec(dev, node, dai_link, simple_dai)    \
  86         asoc_simple_parse_clk(dev, node, simple_dai, dai_link->codecs)
  87 int asoc_simple_parse_clk(struct device *dev,
  88                           struct device_node *node,
  89                           struct asoc_simple_dai *simple_dai,
  90                           struct snd_soc_dai_link_component *dlc);
  91 int asoc_simple_startup(struct snd_pcm_substream *substream);
  92 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
  93 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
  94                           struct snd_pcm_hw_params *params);
  95 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
  96 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
  97                                    struct snd_pcm_hw_params *params);
  98
  99 #define asoc_simple_parse_cpu(node, dai_link, is_single_link)   \
 100         asoc_simple_parse_dai(node, dai_link->cpus, is_single_link)
 101 #define asoc_simple_parse_codec(node, dai_link) \
 102         asoc_simple_parse_dai(node, dai_link->codecs, NULL)
 103 #define asoc_simple_parse_platform(node, dai_link)      \
 104         asoc_simple_parse_dai(node, dai_link->platforms, NULL)
 105
 106 #define asoc_simple_parse_tdm(np, dai)                  \
 107         snd_soc_of_parse_tdm_slot(np,   &(dai)->tx_slot_mask,   \
 108                                         &(dai)->rx_slot_mask,   \
 109                                         &(dai)->slots,          \
 110                                         &(dai)->slot_width);
 111
 112 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
 113 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
 114                                       int is_single_links);
 115
 116 int asoc_simple_clean_reference(struct snd_soc_card *card);
 117
 118 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
 119                                       struct snd_pcm_hw_params *params);
 120 void asoc_simple_parse_convert(struct device *dev,
 121                                struct device_node *np, char *prefix,
 122                                struct asoc_simple_data *data);
 123
 124 int asoc_simple_parse_routing(struct snd_soc_card *card,
 125                                       char *prefix);
 126 int asoc_simple_parse_widgets(struct snd_soc_card *card,
 127                                       char *prefix);
 128 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
 129                                    char *prefix);
 130
 131 int asoc_simple_init_jack(struct snd_soc_card *card,
 132                                struct asoc_simple_jack *sjack,
 133                                int is_hp, char *prefix);
 134 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
 135                                struct link_info *li);
 136
 137 #ifdef DEBUG
 138 inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
 139                                   char *name,
 140                                   struct asoc_simple_dai *dai)
 141 {
 142         struct device *dev = simple_priv_to_dev(priv);
 143
 144         /* dai might be NULL */
 145         if (!dai)
 146                 return;
 147
 148         if (dai->name)
 149                 dev_dbg(dev, "%s dai name = %s\n",
 150                         name, dai->name);
 151         if (dai->sysclk)
 152                 dev_dbg(dev, "%s sysclk = %d\n",
 153                         name, dai->sysclk);
 154
 155         dev_dbg(dev, "%s direction = %s\n",
 156                 name, dai->clk_direction ? "OUT" : "IN");
 157
 158         if (dai->slots)
 159                 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
 160         if (dai->slot_width)
 161                 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
 162         if (dai->tx_slot_mask)
 163                 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
 164         if (dai->rx_slot_mask)
 165                 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
 166         if (dai->clk)
 167                 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
 168 }
 169
 170 inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
 171 {
 172         struct snd_soc_card *card = simple_priv_to_card(priv);
 173         struct device *dev = simple_priv_to_dev(priv);
 174
 175         int i;
 176
 177         if (card->name)
 178                 dev_dbg(dev, "Card Name: %s\n", card->name);
 179
 180         for (i = 0; i < card->num_links; i++) {
 181                 struct simple_dai_props *props = simple_priv_to_props(priv, i);
 182                 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
 183
 184                 dev_dbg(dev, "DAI%d\n", i);
 185
 186                 asoc_simple_debug_dai(priv, "cpu", props->cpu_dai);
 187                 asoc_simple_debug_dai(priv, "codec", props->codec_dai);
 188
 189                 if (link->name)
 190                         dev_dbg(dev, "dai name = %s\n", link->name);
 191
 192                 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
 193
 194                 if (props->adata.convert_rate)
 195                         dev_dbg(dev, "convert_rate = %d\n",
 196                                 props->adata.convert_rate);
 197                 if (props->adata.convert_channels)
 198                         dev_dbg(dev, "convert_channels = %d\n",
 199                                 props->adata.convert_channels);
 200                 if (props->codec_conf && props->codec_conf->name_prefix)
 201                         dev_dbg(dev, "name prefix = %s\n",
 202                                 props->codec_conf->name_prefix);
 203                 if (props->mclk_fs)
 204                         dev_dbg(dev, "mclk-fs = %d\n",
 205                                 props->mclk_fs);
 206         }
 207 }
 208 #else
 209 #define  asoc_simple_debug_info(priv)
 210 #endif /* DEBUG */
 211
 212 #endif /* __SIMPLE_CARD_UTILS_H */