include/sound/simple_card_utils.h - linux/kernel/git/torvalds/linux - Git at Google

 /* SPDX-License-Identifier: GPL-2.0
  *
  * simple_card_utils.h
  *
  * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  */

 #ifndef __SIMPLE_CARD_UTILS_H
 #define __SIMPLE_CARD_UTILS_H

 #include <linux/clk.h>
 #include <sound/soc.h>

 #define asoc_simple_init_hp(card, sjack, prefix) \
 	asoc_simple_init_jack(card, sjack, 1, prefix, NULL)
 #define asoc_simple_init_mic(card, sjack, prefix) \
 	asoc_simple_init_jack(card, sjack, 0, prefix, NULL)

 struct asoc_simple_tdm_width_map {
 	u8 sample_bits;
 	u8 slot_count;
 	u16 slot_width;
 };

 struct asoc_simple_dai {
 	const char *name;
 	unsigned int sysclk;
 	int clk_direction;
 	int slots;
 	int slot_width;
 	unsigned int tx_slot_mask;
 	unsigned int rx_slot_mask;
 	struct clk *clk;
 	bool clk_fixed;
 	struct asoc_simple_tdm_width_map *tdm_width_map;
 	int n_tdm_widths;
 };

 struct asoc_simple_data {
 	u32 convert_rate;
 	u32 convert_channels;
 	const char *convert_sample_format;
 };

 struct asoc_simple_jack {
 	struct snd_soc_jack jack;
 	struct snd_soc_jack_pin pin;
 	struct snd_soc_jack_gpio gpio;
 };

 struct prop_nums {
 	int cpus;
 	int codecs;
 	int platforms;
 };

 struct asoc_simple_priv {
 	struct snd_soc_card snd_card;
 	struct simple_dai_props {
 		struct asoc_simple_dai *cpu_dai;
 		struct asoc_simple_dai *codec_dai;
 		struct snd_soc_dai_link_component *cpus;
 		struct snd_soc_dai_link_component *codecs;
 		struct snd_soc_dai_link_component *platforms;
 		struct asoc_simple_data adata;
 		struct snd_soc_codec_conf *codec_conf;
 		struct prop_nums num;
 		unsigned int mclk_fs;
 	} *dai_props;
 	struct asoc_simple_jack hp_jack;
 	struct asoc_simple_jack mic_jack;
 	struct snd_soc_dai_link *dai_link;
 	struct asoc_simple_dai *dais;
 	struct snd_soc_dai_link_component *dlcs;
 	struct snd_soc_dai_link_component dummy;
 	struct snd_soc_codec_conf *codec_conf;
 	struct gpio_desc *pa_gpio;
 	const struct snd_soc_ops *ops;
 	unsigned int dpcm_selectable:1;
 	unsigned int force_dpcm:1;
 };
 #define simple_priv_to_card(priv)	(&(priv)->snd_card)
 #define simple_priv_to_props(priv, i)	((priv)->dai_props + (i))
 #define simple_priv_to_dev(priv)	(simple_priv_to_card(priv)->dev)
 #define simple_priv_to_link(priv, i)	(simple_priv_to_card(priv)->dai_link + (i))

 #define simple_props_to_dlc_cpu(props, i)	((props)->cpus + i)
 #define simple_props_to_dlc_codec(props, i)	((props)->codecs + i)
 #define simple_props_to_dlc_platform(props, i)	((props)->platforms + i)

 #define simple_props_to_dai_cpu(props, i)	((props)->cpu_dai + i)
 #define simple_props_to_dai_codec(props, i)	((props)->codec_dai + i)
 #define simple_props_to_codec_conf(props, i)	((props)->codec_conf + i)

 #define for_each_prop_dlc_cpus(props, i, cpu)				\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.cpus) &&				\
 		     ((cpu) = simple_props_to_dlc_cpu(props, i));	\
 	     (i)++)
 #define for_each_prop_dlc_codecs(props, i, codec)			\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.codecs) &&				\
 		     ((codec) = simple_props_to_dlc_codec(props, i));	\
 	     (i)++)
 #define for_each_prop_dlc_platforms(props, i, platform)			\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.platforms) &&				\
 		     ((platform) = simple_props_to_dlc_platform(props, i)); \
 	     (i)++)
 #define for_each_prop_codec_conf(props, i, conf)			\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.codecs) &&				\
 		     (props)->codec_conf &&				\
 		     ((conf) = simple_props_to_codec_conf(props, i));	\
 	     (i)++)

 #define for_each_prop_dai_cpu(props, i, cpu)				\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.cpus) &&				\
 		     ((cpu) = simple_props_to_dai_cpu(props, i));	\
 	     (i)++)
 #define for_each_prop_dai_codec(props, i, codec)			\
 	for ((i) = 0;							\
 	     ((i) < (props)->num.codecs) &&				\
 		     ((codec) = simple_props_to_dai_codec(props, i));	\
 	     (i)++)

 #define SNDRV_MAX_LINKS 512

 struct link_info {
 	int link; /* number of link */
 	int cpu;  /* turn for CPU / Codec */
 	struct prop_nums num[SNDRV_MAX_LINKS];
 };

 int asoc_simple_parse_daifmt(struct device *dev,
 			     struct device_node *node,
 			     struct device_node *codec,
 			     char *prefix,
 			     unsigned int *retfmt);
 int asoc_simple_parse_tdm_width_map(struct device *dev, struct device_node *np,
 				    struct asoc_simple_dai *dai);

 __printf(3, 4)
 int asoc_simple_set_dailink_name(struct device *dev,
 				 struct snd_soc_dai_link *dai_link,
 				 const char *fmt, ...);
 int asoc_simple_parse_card_name(struct snd_soc_card *card,
 				char *prefix);

 int asoc_simple_parse_clk(struct device *dev,
 			  struct device_node *node,
 			  struct asoc_simple_dai *simple_dai,
 			  struct snd_soc_dai_link_component *dlc);
 int asoc_simple_startup(struct snd_pcm_substream *substream);
 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
 			  struct snd_pcm_hw_params *params);
 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 				   struct snd_pcm_hw_params *params);

 #define asoc_simple_parse_tdm(np, dai)			\
 	snd_soc_of_parse_tdm_slot(np,	&(dai)->tx_slot_mask,	\
 					&(dai)->rx_slot_mask,	\
 					&(dai)->slots,		\
 					&(dai)->slot_width);

 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
 				       struct snd_soc_dai_link_component *cpus);
 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
 				  int is_single_links);

 void asoc_simple_clean_reference(struct snd_soc_card *card);

 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
 				      struct snd_pcm_hw_params *params);
 void asoc_simple_parse_convert(struct device_node *np, char *prefix,
 			       struct asoc_simple_data *data);
 bool asoc_simple_is_convert_required(const struct asoc_simple_data *data);

 int asoc_simple_parse_routing(struct snd_soc_card *card,
 				      char *prefix);
 int asoc_simple_parse_widgets(struct snd_soc_card *card,
 				      char *prefix);
 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
 				   char *prefix);

 int asoc_simple_init_jack(struct snd_soc_card *card,
 			       struct asoc_simple_jack *sjack,
 			       int is_hp, char *prefix, char *pin);
 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
 			       struct link_info *li);
 int asoc_simple_remove(struct platform_device *pdev);

 int asoc_graph_card_probe(struct snd_soc_card *card);
 int asoc_graph_is_ports0(struct device_node *port);

 #ifdef DEBUG
 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
 					 char *name,
 					 struct asoc_simple_dai *dai)
 {
 	struct device *dev = simple_priv_to_dev(priv);

 	/* dai might be NULL */
 	if (!dai)
 		return;

 	if (dai->name)
 		dev_dbg(dev, "%s dai name = %s\n",
 			name, dai->name);

 	if (dai->slots)
 		dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
 	if (dai->slot_width)
 		dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
 	if (dai->tx_slot_mask)
 		dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
 	if (dai->rx_slot_mask)
 		dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
 	if (dai->clk)
 		dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
 	if (dai->sysclk)
 		dev_dbg(dev, "%s sysclk = %dHz\n",
 			name, dai->sysclk);
 	if (dai->clk || dai->sysclk)
 		dev_dbg(dev, "%s direction = %s\n",
 			name, dai->clk_direction ? "OUT" : "IN");
 }

 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
 {
 	struct snd_soc_card *card = simple_priv_to_card(priv);
 	struct device *dev = simple_priv_to_dev(priv);

 	int i;

 	if (card->name)
 		dev_dbg(dev, "Card Name: %s\n", card->name);

 	for (i = 0; i < card->num_links; i++) {
 		struct simple_dai_props *props = simple_priv_to_props(priv, i);
 		struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
 		struct asoc_simple_dai *dai;
 		struct snd_soc_codec_conf *cnf;
 		int j;

 		dev_dbg(dev, "DAI%d\n", i);

 		dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
 		for_each_prop_dai_cpu(props, j, dai)
 			asoc_simple_debug_dai(priv, "cpu", dai);
 		dev_dbg(dev, "codec num = %d\n", link->num_codecs);
 		for_each_prop_dai_codec(props, j, dai)
 			asoc_simple_debug_dai(priv, "codec", dai);

 		if (link->name)
 			dev_dbg(dev, "dai name = %s\n", link->name);
 		if (link->dai_fmt)
 			dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
 		if (props->adata.convert_rate)
 			dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
 		if (props->adata.convert_channels)
 			dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
 		for_each_prop_codec_conf(props, j, cnf)
 			if (cnf->name_prefix)
 				dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
 		if (props->mclk_fs)
 			dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
 	}
 }
 #else
 #define  asoc_simple_debug_info(priv)
 #endif /* DEBUG */

 #endif /* __SIMPLE_CARD_UTILS_H */
	/* SPDX-License-Identifier: GPL-2.0
	*
	* simple_card_utils.h
	*
	* Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
	*/

	#ifndef __SIMPLE_CARD_UTILS_H
	#define __SIMPLE_CARD_UTILS_H

	#include <linux/clk.h>
	#include <sound/soc.h>

	#define asoc_simple_init_hp(card, sjack, prefix) \
	asoc_simple_init_jack(card, sjack, 1, prefix, NULL)
	#define asoc_simple_init_mic(card, sjack, prefix) \
	asoc_simple_init_jack(card, sjack, 0, prefix, NULL)

	struct asoc_simple_tdm_width_map {
	u8 sample_bits;
	u8 slot_count;
	u16 slot_width;
	};

	struct asoc_simple_dai {
	const char *name;
	unsigned int sysclk;
	int clk_direction;
	int slots;
	int slot_width;
	unsigned int tx_slot_mask;
	unsigned int rx_slot_mask;
	struct clk *clk;
	bool clk_fixed;
	struct asoc_simple_tdm_width_map *tdm_width_map;
	int n_tdm_widths;
	};

	struct asoc_simple_data {
	u32 convert_rate;
	u32 convert_channels;
	const char *convert_sample_format;
	};

	struct asoc_simple_jack {
	struct snd_soc_jack jack;
	struct snd_soc_jack_pin pin;
	struct snd_soc_jack_gpio gpio;
	};

	struct prop_nums {
	int cpus;
	int codecs;
	int platforms;
	};

	struct asoc_simple_priv {
	struct snd_soc_card snd_card;
	struct simple_dai_props {
	struct asoc_simple_dai *cpu_dai;
	struct asoc_simple_dai *codec_dai;
	struct snd_soc_dai_link_component *cpus;
	struct snd_soc_dai_link_component *codecs;
	struct snd_soc_dai_link_component *platforms;
	struct asoc_simple_data adata;
	struct snd_soc_codec_conf *codec_conf;
	struct prop_nums num;
	unsigned int mclk_fs;
	} *dai_props;
	struct asoc_simple_jack hp_jack;
	struct asoc_simple_jack mic_jack;
	struct snd_soc_dai_link *dai_link;
	struct asoc_simple_dai *dais;
	struct snd_soc_dai_link_component *dlcs;
	struct snd_soc_dai_link_component dummy;
	struct snd_soc_codec_conf *codec_conf;
	struct gpio_desc *pa_gpio;
	const struct snd_soc_ops *ops;
	unsigned int dpcm_selectable:1;
	unsigned int force_dpcm:1;
	};
	#define simple_priv_to_card(priv) (&(priv)->snd_card)
	#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
	#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
	#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))

	#define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)
	#define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)
	#define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)

	#define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)
	#define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)
	#define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)

	#define for_each_prop_dlc_cpus(props, i, cpu) \
	for ((i) = 0; \
	((i) < (props)->num.cpus) && \
	((cpu) = simple_props_to_dlc_cpu(props, i)); \
	(i)++)
	#define for_each_prop_dlc_codecs(props, i, codec) \
	for ((i) = 0; \
	((i) < (props)->num.codecs) && \
	((codec) = simple_props_to_dlc_codec(props, i)); \
	(i)++)
	#define for_each_prop_dlc_platforms(props, i, platform) \
	for ((i) = 0; \
	((i) < (props)->num.platforms) && \
	((platform) = simple_props_to_dlc_platform(props, i)); \
	(i)++)
	#define for_each_prop_codec_conf(props, i, conf) \
	for ((i) = 0; \
	((i) < (props)->num.codecs) && \
	(props)->codec_conf && \
	((conf) = simple_props_to_codec_conf(props, i)); \
	(i)++)

	#define for_each_prop_dai_cpu(props, i, cpu) \
	for ((i) = 0; \
	((i) < (props)->num.cpus) && \
	((cpu) = simple_props_to_dai_cpu(props, i)); \
	(i)++)
	#define for_each_prop_dai_codec(props, i, codec) \
	for ((i) = 0; \
	((i) < (props)->num.codecs) && \
	((codec) = simple_props_to_dai_codec(props, i)); \
	(i)++)

	#define SNDRV_MAX_LINKS 512

	struct link_info {
	int link; /* number of link */
	int cpu; /* turn for CPU / Codec */
	struct prop_nums num[SNDRV_MAX_LINKS];
	};

	int asoc_simple_parse_daifmt(struct device *dev,
	struct device_node *node,
	struct device_node *codec,
	char *prefix,
	unsigned int *retfmt);
	int asoc_simple_parse_tdm_width_map(struct device dev, struct device_node np,
	struct asoc_simple_dai *dai);

	__printf(3, 4)
	int asoc_simple_set_dailink_name(struct device *dev,
	struct snd_soc_dai_link *dai_link,
	const char *fmt, ...);
	int asoc_simple_parse_card_name(struct snd_soc_card *card,
	char *prefix);

	int asoc_simple_parse_clk(struct device *dev,
	struct device_node *node,
	struct asoc_simple_dai *simple_dai,
	struct snd_soc_dai_link_component *dlc);
	int asoc_simple_startup(struct snd_pcm_substream *substream);
	void asoc_simple_shutdown(struct snd_pcm_substream *substream);
	int asoc_simple_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params);
	int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
	int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
	struct snd_pcm_hw_params *params);

	#define asoc_simple_parse_tdm(np, dai) \
	snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \
	&(dai)->rx_slot_mask, \
	&(dai)->slots, \
	&(dai)->slot_width);

	void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
	struct snd_soc_dai_link_component *cpus);
	void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
	int is_single_links);

	void asoc_simple_clean_reference(struct snd_soc_card *card);

	void asoc_simple_convert_fixup(struct asoc_simple_data *data,
	struct snd_pcm_hw_params *params);
	void asoc_simple_parse_convert(struct device_node np, char prefix,
	struct asoc_simple_data *data);
	bool asoc_simple_is_convert_required(const struct asoc_simple_data *data);

	int asoc_simple_parse_routing(struct snd_soc_card *card,
	char *prefix);
	int asoc_simple_parse_widgets(struct snd_soc_card *card,
	char *prefix);
	int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
	char *prefix);

	int asoc_simple_init_jack(struct snd_soc_card *card,
	struct asoc_simple_jack *sjack,
	int is_hp, char prefix, char pin);
	int asoc_simple_init_priv(struct asoc_simple_priv *priv,
	struct link_info *li);
	int asoc_simple_remove(struct platform_device *pdev);

	int asoc_graph_card_probe(struct snd_soc_card *card);
	int asoc_graph_is_ports0(struct device_node *port);

	#ifdef DEBUG
	static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
	char *name,
	struct asoc_simple_dai *dai)
	{
	struct device *dev = simple_priv_to_dev(priv);

	/* dai might be NULL */
	if (!dai)
	return;

	if (dai->name)
	dev_dbg(dev, "%s dai name = %s\n",
	name, dai->name);

	if (dai->slots)
	dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
	if (dai->slot_width)
	dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
	if (dai->tx_slot_mask)
	dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
	if (dai->rx_slot_mask)
	dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
	if (dai->clk)
	dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
	if (dai->sysclk)
	dev_dbg(dev, "%s sysclk = %dHz\n",
	name, dai->sysclk);
	if (dai->clk \|\| dai->sysclk)
	dev_dbg(dev, "%s direction = %s\n",
	name, dai->clk_direction ? "OUT" : "IN");
	}

	static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
	{
	struct snd_soc_card *card = simple_priv_to_card(priv);
	struct device *dev = simple_priv_to_dev(priv);

	int i;

	if (card->name)
	dev_dbg(dev, "Card Name: %s\n", card->name);

	for (i = 0; i < card->num_links; i++) {
	struct simple_dai_props *props = simple_priv_to_props(priv, i);
	struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
	struct asoc_simple_dai *dai;
	struct snd_soc_codec_conf *cnf;
	int j;

	dev_dbg(dev, "DAI%d\n", i);

	dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
	for_each_prop_dai_cpu(props, j, dai)
	asoc_simple_debug_dai(priv, "cpu", dai);
	dev_dbg(dev, "codec num = %d\n", link->num_codecs);
	for_each_prop_dai_codec(props, j, dai)
	asoc_simple_debug_dai(priv, "codec", dai);

	if (link->name)
	dev_dbg(dev, "dai name = %s\n", link->name);
	if (link->dai_fmt)
	dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
	if (props->adata.convert_rate)
	dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
	if (props->adata.convert_channels)
	dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
	for_each_prop_codec_conf(props, j, cnf)
	if (cnf->name_prefix)
	dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
	if (props->mclk_fs)
	dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
	}
	}
	#else
	#define asoc_simple_debug_info(priv)
	#endif /* DEBUG */

	#endif /* __SIMPLE_CARD_UTILS_H */