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 <linux/clk.h>
 12#include <sound/soc.h>
 13
 14#define asoc_simple_init_hp(card, sjack, prefix) \
 15	asoc_simple_init_jack(card, sjack, 1, prefix, NULL)
 16#define asoc_simple_init_mic(card, sjack, prefix) \
 17	asoc_simple_init_jack(card, sjack, 0, prefix, NULL)
 18
 19struct asoc_simple_dai {
 20	const char *name;
 21	unsigned int sysclk;
 22	int clk_direction;
 23	int slots;
 24	int slot_width;
 25	unsigned int tx_slot_mask;
 26	unsigned int rx_slot_mask;
 27	struct clk *clk;
 28};
 29
 30struct asoc_simple_data {
 31	u32 convert_rate;
 32	u32 convert_channels;
 33};
 34
 35struct asoc_simple_jack {
 36	struct snd_soc_jack jack;
 37	struct snd_soc_jack_pin pin;
 38	struct snd_soc_jack_gpio gpio;
 39};
 40
 41struct asoc_simple_priv {
 42	struct snd_soc_card snd_card;
 43	struct simple_dai_props {
 44		struct asoc_simple_dai *cpu_dai;
 45		struct asoc_simple_dai *codec_dai;
 46		struct snd_soc_dai_link_component cpus;   /* single cpu */
 47		struct snd_soc_dai_link_component codecs; /* single codec */
 48		struct snd_soc_dai_link_component platforms;
 49		struct asoc_simple_data adata;
 50		struct snd_soc_codec_conf *codec_conf;
 51		unsigned int mclk_fs;
 52	} *dai_props;
 53	struct asoc_simple_jack hp_jack;
 54	struct asoc_simple_jack mic_jack;
 55	struct snd_soc_dai_link *dai_link;
 56	struct asoc_simple_dai *dais;
 57	struct snd_soc_codec_conf *codec_conf;
 58	struct gpio_desc *pa_gpio;
 59};
 60#define simple_priv_to_card(priv)	(&(priv)->snd_card)
 61#define simple_priv_to_props(priv, i)	((priv)->dai_props + (i))
 62#define simple_priv_to_dev(priv)	(simple_priv_to_card(priv)->dev)
 63#define simple_priv_to_link(priv, i)	(simple_priv_to_card(priv)->dai_link + (i))
 64
 65struct link_info {
 66	int dais; /* number of dai  */
 67	int link; /* number of link */
 68	int conf; /* number of codec_conf */
 69	int cpu;  /* turn for CPU / Codec */
 70};
 71
 72int asoc_simple_parse_daifmt(struct device *dev,
 73			     struct device_node *node,
 74			     struct device_node *codec,
 75			     char *prefix,
 76			     unsigned int *retfmt);
 77__printf(3, 4)
 78int asoc_simple_set_dailink_name(struct device *dev,
 79				 struct snd_soc_dai_link *dai_link,
 80				 const char *fmt, ...);
 81int asoc_simple_parse_card_name(struct snd_soc_card *card,
 82				char *prefix);
 83
 84#define asoc_simple_parse_clk_cpu(dev, node, dai_link, simple_dai)		\
 85	asoc_simple_parse_clk(dev, node, simple_dai, dai_link->cpus)
 86#define asoc_simple_parse_clk_codec(dev, node, dai_link, simple_dai)	\
 87	asoc_simple_parse_clk(dev, node, simple_dai, dai_link->codecs)
 88int asoc_simple_parse_clk(struct device *dev,
 89			  struct device_node *node,
 90			  struct asoc_simple_dai *simple_dai,
 91			  struct snd_soc_dai_link_component *dlc);
 92int asoc_simple_startup(struct snd_pcm_substream *substream);
 93void asoc_simple_shutdown(struct snd_pcm_substream *substream);
 94int asoc_simple_hw_params(struct snd_pcm_substream *substream,
 95			  struct snd_pcm_hw_params *params);
 96int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
 97int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
 98				   struct snd_pcm_hw_params *params);
 99
100#define asoc_simple_parse_cpu(node, dai_link, is_single_link)	\
101	asoc_simple_parse_dai(node, dai_link->cpus, is_single_link)
102#define asoc_simple_parse_codec(node, dai_link)	\
103	asoc_simple_parse_dai(node, dai_link->codecs, NULL)
104#define asoc_simple_parse_platform(node, dai_link)	\
105	asoc_simple_parse_dai(node, dai_link->platforms, NULL)
106
107#define asoc_simple_parse_tdm(np, dai)			\
108	snd_soc_of_parse_tdm_slot(np,	&(dai)->tx_slot_mask,	\
109					&(dai)->rx_slot_mask,	\
110					&(dai)->slots,		\
111					&(dai)->slot_width);
112
113void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
114void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
115				      int is_single_links);
116
117int asoc_simple_clean_reference(struct snd_soc_card *card);
118
119void asoc_simple_convert_fixup(struct asoc_simple_data *data,
120				      struct snd_pcm_hw_params *params);
121void asoc_simple_parse_convert(struct device *dev,
122			       struct device_node *np, char *prefix,
123			       struct asoc_simple_data *data);
124
125int asoc_simple_parse_routing(struct snd_soc_card *card,
126				      char *prefix);
127int asoc_simple_parse_widgets(struct snd_soc_card *card,
128				      char *prefix);
129int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
130				   char *prefix);
131
132int asoc_simple_init_jack(struct snd_soc_card *card,
133			       struct asoc_simple_jack *sjack,
134			       int is_hp, char *prefix, char *pin);
135int asoc_simple_init_priv(struct asoc_simple_priv *priv,
136			       struct link_info *li);
137
138#ifdef DEBUG
139static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
140					 char *name,
141					 struct asoc_simple_dai *dai)
142{
143	struct device *dev = simple_priv_to_dev(priv);
144
145	/* dai might be NULL */
146	if (!dai)
147		return;
148
149	if (dai->name)
150		dev_dbg(dev, "%s dai name = %s\n",
151			name, dai->name);
152	if (dai->sysclk)
153		dev_dbg(dev, "%s sysclk = %d\n",
154			name, dai->sysclk);
155
156	dev_dbg(dev, "%s direction = %s\n",
157		name, dai->clk_direction ? "OUT" : "IN");
158
159	if (dai->slots)
160		dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
161	if (dai->slot_width)
162		dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
163	if (dai->tx_slot_mask)
164		dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
165	if (dai->rx_slot_mask)
166		dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
167	if (dai->clk)
168		dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
169}
170
171static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
172{
173	struct snd_soc_card *card = simple_priv_to_card(priv);
174	struct device *dev = simple_priv_to_dev(priv);
175
176	int i;
177
178	if (card->name)
179		dev_dbg(dev, "Card Name: %s\n", card->name);
180
181	for (i = 0; i < card->num_links; i++) {
182		struct simple_dai_props *props = simple_priv_to_props(priv, i);
183		struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
184
185		dev_dbg(dev, "DAI%d\n", i);
186
187		asoc_simple_debug_dai(priv, "cpu", props->cpu_dai);
188		asoc_simple_debug_dai(priv, "codec", props->codec_dai);
189
190		if (link->name)
191			dev_dbg(dev, "dai name = %s\n", link->name);
192
193		dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
194
195		if (props->adata.convert_rate)
196			dev_dbg(dev, "convert_rate = %d\n",
197				props->adata.convert_rate);
198		if (props->adata.convert_channels)
199			dev_dbg(dev, "convert_channels = %d\n",
200				props->adata.convert_channels);
201		if (props->codec_conf && props->codec_conf->name_prefix)
202			dev_dbg(dev, "name prefix = %s\n",
203				props->codec_conf->name_prefix);
204		if (props->mclk_fs)
205			dev_dbg(dev, "mclk-fs = %d\n",
206				props->mclk_fs);
207	}
208}
209#else
210#define  asoc_simple_debug_info(priv)
211#endif /* DEBUG */
212
213#endif /* __SIMPLE_CARD_UTILS_H */