LXR linux/include/sound/simple_card

   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
  18struct 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
  29struct asoc_simple_data {
  30        u32 convert_rate;
  31        u32 convert_channels;
  32};
  33
  34struct 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
  40struct 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
  64struct 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
  71int 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)
  77int asoc_simple_set_dailink_name(struct device *dev,
  78                                 struct snd_soc_dai_link *dai_link,
  79                                 const char *fmt, ...);
  80int 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)
  87int 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);
  91int asoc_simple_startup(struct snd_pcm_substream *substream);
  92void asoc_simple_shutdown(struct snd_pcm_substream *substream);
  93int asoc_simple_hw_params(struct snd_pcm_substream *substream,
  94                          struct snd_pcm_hw_params *params);
  95int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
  96int 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
 112void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
 113void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
 114                                      int is_single_links);
 115
 116int asoc_simple_clean_reference(struct snd_soc_card *card);
 117
 118void asoc_simple_convert_fixup(struct asoc_simple_data *data,
 119                                      struct snd_pcm_hw_params *params);
 120void asoc_simple_parse_convert(struct device *dev,
 121                               struct device_node *np, char *prefix,
 122                               struct asoc_simple_data *data);
 123
 124int asoc_simple_parse_routing(struct snd_soc_card *card,
 125                                      char *prefix);
 126int asoc_simple_parse_widgets(struct snd_soc_card *card,
 127                                      char *prefix);
 128int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
 129                                   char *prefix);
 130
 131int asoc_simple_init_jack(struct snd_soc_card *card,
 132                               struct asoc_simple_jack *sjack,
 133                               int is_hp, char *prefix);
 134int asoc_simple_init_priv(struct asoc_simple_priv *priv,
 135                               struct link_info *li);
 136
 137#ifdef DEBUG
 138static 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
 170static 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 */
 213