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 */