1/*
  2 * simple_card_utils.h
  3 *
  4 * Copyright (c) 2016 Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  5 *
  6 * This program is free software; you can redistribute it and/or modify
  7 * it under the terms of the GNU General Public License version 2 as
  8 * published by the Free Software Foundation.
  9 */
 10#ifndef __SIMPLE_CARD_UTILS_H
 11#define __SIMPLE_CARD_UTILS_H
 12
 13#include <sound/soc.h>
 14
 15struct asoc_simple_dai {
 16	const char *name;
 17	unsigned int sysclk;
 18	int clk_direction;
 19	int slots;
 20	int slot_width;
 21	unsigned int tx_slot_mask;
 22	unsigned int rx_slot_mask;
 23	struct clk *clk;
 24};
 25
 26struct asoc_simple_card_data {
 27	u32 convert_rate;
 28	u32 convert_channels;
 29};
 30
 31int asoc_simple_card_parse_daifmt(struct device *dev,
 32				  struct device_node *node,
 33				  struct device_node *codec,
 34				  char *prefix,
 35				  unsigned int *retfmt);
 36__printf(3, 4)
 37int asoc_simple_card_set_dailink_name(struct device *dev,
 38				      struct snd_soc_dai_link *dai_link,
 39				      const char *fmt, ...);
 40int asoc_simple_card_parse_card_name(struct snd_soc_card *card,
 41				     char *prefix);
 42
 43#define asoc_simple_card_parse_clk_cpu(dev, node, dai_link, simple_dai)		\
 44	asoc_simple_card_parse_clk(dev, node, dai_link->cpu_of_node, simple_dai, \
 45				   dai_link->cpu_dai_name)
 46#define asoc_simple_card_parse_clk_codec(dev, node, dai_link, simple_dai)	\
 47	asoc_simple_card_parse_clk(dev, node, dai_link->codec_of_node, simple_dai,\
 48				   dai_link->codec_dai_name)
 49int asoc_simple_card_parse_clk(struct device *dev,
 50			       struct device_node *node,
 51			       struct device_node *dai_of_node,
 52			       struct asoc_simple_dai *simple_dai,
 53			       const char *name);
 54int asoc_simple_card_clk_enable(struct asoc_simple_dai *dai);
 55void asoc_simple_card_clk_disable(struct asoc_simple_dai *dai);
 56
 57#define asoc_simple_card_parse_cpu(node, dai_link,				\
 58				   list_name, cells_name, is_single_link)	\
 59	asoc_simple_card_parse_dai(node, &dai_link->cpu_of_node,		\
 60		&dai_link->cpu_dai_name, list_name, cells_name, is_single_link)
 61#define asoc_simple_card_parse_codec(node, dai_link, list_name, cells_name)	\
 62	asoc_simple_card_parse_dai(node, &dai_link->codec_of_node,		\
 63		&dai_link->codec_dai_name, list_name, cells_name, NULL)
 64#define asoc_simple_card_parse_platform(node, dai_link, list_name, cells_name)	\
 65	asoc_simple_card_parse_dai(node, &dai_link->platform_of_node,		\
 66		NULL, list_name, cells_name, NULL)
 67int asoc_simple_card_parse_dai(struct device_node *node,
 68				  struct device_node **endpoint_np,
 69				  const char **dai_name,
 70				  const char *list_name,
 71				  const char *cells_name,
 72				  int *is_single_links);
 73
 74#define asoc_simple_card_parse_graph_cpu(ep, dai_link)			\
 75	asoc_simple_card_parse_graph_dai(ep, &dai_link->cpu_of_node,	\
 76					 &dai_link->cpu_dai_name)
 77#define asoc_simple_card_parse_graph_codec(ep, dai_link)		\
 78	asoc_simple_card_parse_graph_dai(ep, &dai_link->codec_of_node,	\
 79					 &dai_link->codec_dai_name)
 80int asoc_simple_card_parse_graph_dai(struct device_node *ep,
 81				     struct device_node **endpoint_np,
 82				     const char **dai_name);
 83
 84#define asoc_simple_card_of_parse_tdm(np, dai)			\
 85	snd_soc_of_parse_tdm_slot(np,	&(dai)->tx_slot_mask,	\
 86					&(dai)->rx_slot_mask,	\
 87					&(dai)->slots,		\
 88					&(dai)->slot_width);
 89
 90int asoc_simple_card_init_dai(struct snd_soc_dai *dai,
 91			      struct asoc_simple_dai *simple_dai);
 92
 93int asoc_simple_card_canonicalize_dailink(struct snd_soc_dai_link *dai_link);
 94void asoc_simple_card_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
 95				      int is_single_links);
 96
 97int asoc_simple_card_clean_reference(struct snd_soc_card *card);
 98
 99void asoc_simple_card_convert_fixup(struct asoc_simple_card_data *data,
100				      struct snd_pcm_hw_params *params);
101void asoc_simple_card_parse_convert(struct device *dev, char *prefix,
102				    struct asoc_simple_card_data *data);
103
104int asoc_simple_card_of_parse_routing(struct snd_soc_card *card,
105				      char *prefix,
106				      int optional);
107int asoc_simple_card_of_parse_widgets(struct snd_soc_card *card,
108				      char *prefix);
109
110#endif /* __SIMPLE_CARD_UTILS_H */