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