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1/* SPDX-License-Identifier: GPL-2.02 *3 * simple_card_utils.h4 *5 * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>6 */7 8#ifndef __SIMPLE_CARD_UTILS_H9#define __SIMPLE_CARD_UTILS_H10 11#include <linux/clk.h>12#include <sound/soc.h>13 14#define simple_util_init_hp(card, sjack, prefix) \15 simple_util_init_jack(card, sjack, 1, prefix, NULL)16#define simple_util_init_mic(card, sjack, prefix) \17 simple_util_init_jack(card, sjack, 0, prefix, NULL)18 19struct simple_util_tdm_width_map {20 u8 sample_bits;21 u8 slot_count;22 u16 slot_width;23};24 25struct simple_util_dai {26 const char *name;27 unsigned int sysclk;28 int clk_direction;29 int slots;30 int slot_width;31 unsigned int tx_slot_mask;32 unsigned int rx_slot_mask;33 struct clk *clk;34 bool clk_fixed;35 struct simple_util_tdm_width_map *tdm_width_map;36 int n_tdm_widths;37};38 39struct simple_util_data {40 u32 convert_rate;41 u32 convert_channels;42 const char *convert_sample_format;43};44 45struct simple_util_jack {46 struct snd_soc_jack jack;47 struct snd_soc_jack_pin pin;48 struct snd_soc_jack_gpio gpio;49};50 51struct prop_nums {52 int cpus;53 int codecs;54 int platforms;55};56 57struct simple_util_priv {58 struct snd_soc_card snd_card;59 struct simple_dai_props {60 struct simple_util_dai *cpu_dai;61 struct simple_util_dai *codec_dai;62 struct simple_util_data adata;63 struct snd_soc_codec_conf *codec_conf;64 struct prop_nums num;65 unsigned int mclk_fs;66 } *dai_props;67 struct simple_util_jack hp_jack;68 struct simple_util_jack mic_jack;69 struct snd_soc_jack *aux_jacks;70 struct snd_soc_dai_link *dai_link;71 struct simple_util_dai *dais;72 struct snd_soc_dai_link_component *dlcs;73 struct snd_soc_codec_conf *codec_conf;74 struct gpio_desc *pa_gpio;75 const struct snd_soc_ops *ops;76 unsigned int dpcm_selectable:1;77 unsigned int force_dpcm:1;78};79#define simple_priv_to_card(priv) (&(priv)->snd_card)80#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))81#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)82#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))83 84#define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)85#define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)86#define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)87 88#define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)89#define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)90#define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)91 92#define for_each_prop_dlc_cpus(props, i, cpu) \93 for ((i) = 0; \94 ((i) < (props)->num.cpus) && \95 ((cpu) = simple_props_to_dlc_cpu(props, i)); \96 (i)++)97#define for_each_prop_dlc_codecs(props, i, codec) \98 for ((i) = 0; \99 ((i) < (props)->num.codecs) && \100 ((codec) = simple_props_to_dlc_codec(props, i)); \101 (i)++)102#define for_each_prop_dlc_platforms(props, i, platform) \103 for ((i) = 0; \104 ((i) < (props)->num.platforms) && \105 ((platform) = simple_props_to_dlc_platform(props, i)); \106 (i)++)107#define for_each_prop_codec_conf(props, i, conf) \108 for ((i) = 0; \109 ((i) < (props)->num.codecs) && \110 (props)->codec_conf && \111 ((conf) = simple_props_to_codec_conf(props, i)); \112 (i)++)113 114#define for_each_prop_dai_cpu(props, i, cpu) \115 for ((i) = 0; \116 ((i) < (props)->num.cpus) && \117 ((cpu) = simple_props_to_dai_cpu(props, i)); \118 (i)++)119#define for_each_prop_dai_codec(props, i, codec) \120 for ((i) = 0; \121 ((i) < (props)->num.codecs) && \122 ((codec) = simple_props_to_dai_codec(props, i)); \123 (i)++)124 125#define SNDRV_MAX_LINKS 512126 127struct link_info {128 int link; /* number of link */129 int cpu; /* turn for CPU / Codec */130 struct prop_nums num[SNDRV_MAX_LINKS];131};132 133int simple_util_parse_daifmt(struct device *dev,134 struct device_node *node,135 struct device_node *codec,136 char *prefix,137 unsigned int *retfmt);138int simple_util_parse_tdm_width_map(struct device *dev, struct device_node *np,139 struct simple_util_dai *dai);140 141__printf(3, 4)142int simple_util_set_dailink_name(struct device *dev,143 struct snd_soc_dai_link *dai_link,144 const char *fmt, ...);145int simple_util_parse_card_name(struct snd_soc_card *card,146 char *prefix);147 148int simple_util_parse_clk(struct device *dev,149 struct device_node *node,150 struct simple_util_dai *simple_dai,151 struct snd_soc_dai_link_component *dlc);152int simple_util_startup(struct snd_pcm_substream *substream);153void simple_util_shutdown(struct snd_pcm_substream *substream);154int simple_util_hw_params(struct snd_pcm_substream *substream,155 struct snd_pcm_hw_params *params);156int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd);157int simple_util_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,158 struct snd_pcm_hw_params *params);159 160#define simple_util_parse_tdm(np, dai) \161 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \162 &(dai)->rx_slot_mask, \163 &(dai)->slots, \164 &(dai)->slot_width);165 166void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms,167 struct snd_soc_dai_link_component *cpus);168void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,169 int is_single_links);170 171void simple_util_clean_reference(struct snd_soc_card *card);172 173void simple_util_parse_convert(struct device_node *np, char *prefix,174 struct simple_util_data *data);175bool simple_util_is_convert_required(const struct simple_util_data *data);176 177int simple_util_get_sample_fmt(struct simple_util_data *data);178 179int simple_util_parse_routing(struct snd_soc_card *card,180 char *prefix);181int simple_util_parse_widgets(struct snd_soc_card *card,182 char *prefix);183int simple_util_parse_pin_switches(struct snd_soc_card *card,184 char *prefix);185 186int simple_util_init_jack(struct snd_soc_card *card,187 struct simple_util_jack *sjack,188 int is_hp, char *prefix, char *pin);189int simple_util_init_aux_jacks(struct simple_util_priv *priv,190 char *prefix);191int simple_util_init_priv(struct simple_util_priv *priv,192 struct link_info *li);193void simple_util_remove(struct platform_device *pdev);194 195int graph_util_card_probe(struct snd_soc_card *card);196int graph_util_is_ports0(struct device_node *port);197int graph_util_parse_dai(struct device *dev, struct device_node *ep,198 struct snd_soc_dai_link_component *dlc, int *is_single_link);199 200void graph_util_parse_link_direction(struct device_node *np,201 bool *is_playback_only, bool *is_capture_only);202void graph_util_parse_trigger_order(struct simple_util_priv *priv,203 struct device_node *np,204 enum snd_soc_trigger_order *trigger_start,205 enum snd_soc_trigger_order *trigger_stop);206 207#ifdef DEBUG208static inline void simple_util_debug_dai(struct simple_util_priv *priv,209 char *name,210 struct simple_util_dai *dai)211{212 struct device *dev = simple_priv_to_dev(priv);213 214 /* dai might be NULL */215 if (!dai)216 return;217 218 if (dai->name)219 dev_dbg(dev, "%s dai name = %s\n",220 name, dai->name);221 222 if (dai->slots)223 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);224 if (dai->slot_width)225 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);226 if (dai->tx_slot_mask)227 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);228 if (dai->rx_slot_mask)229 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);230 if (dai->clk)231 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));232 if (dai->sysclk)233 dev_dbg(dev, "%s sysclk = %dHz\n",234 name, dai->sysclk);235 if (dai->clk || dai->sysclk)236 dev_dbg(dev, "%s direction = %s\n",237 name, dai->clk_direction ? "OUT" : "IN");238}239 240static inline void simple_util_debug_info(struct simple_util_priv *priv)241{242 struct snd_soc_card *card = simple_priv_to_card(priv);243 struct device *dev = simple_priv_to_dev(priv);244 245 int i;246 247 if (card->name)248 dev_dbg(dev, "Card Name: %s\n", card->name);249 250 for (i = 0; i < card->num_links; i++) {251 struct simple_dai_props *props = simple_priv_to_props(priv, i);252 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);253 struct simple_util_dai *dai;254 struct snd_soc_codec_conf *cnf;255 int j;256 257 dev_dbg(dev, "DAI%d\n", i);258 259 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);260 for_each_prop_dai_cpu(props, j, dai)261 simple_util_debug_dai(priv, "cpu", dai);262 dev_dbg(dev, "codec num = %d\n", link->num_codecs);263 for_each_prop_dai_codec(props, j, dai)264 simple_util_debug_dai(priv, "codec", dai);265 266 if (link->name)267 dev_dbg(dev, "dai name = %s\n", link->name);268 if (link->dai_fmt)269 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);270 if (props->adata.convert_rate)271 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);272 if (props->adata.convert_channels)273 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);274 for_each_prop_codec_conf(props, j, cnf)275 if (cnf->name_prefix)276 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);277 if (props->mclk_fs)278 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);279 }280}281#else282#define simple_util_debug_info(priv)283#endif /* DEBUG */284 285#endif /* __SIMPLE_CARD_UTILS_H */286