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
18 struct 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
29 struct asoc_simple_data {
30 u32 convert_rate;
31 u32 convert_channels;
32 };
33
34 struct 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
40 struct 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
64 struct 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
71 int 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)
77 int asoc_simple_set_dailink_name(struct device *dev,
78 struct snd_soc_dai_link *dai_link,
79 const char *fmt, ...);
80 int 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)
87 int 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);
91 int asoc_simple_startup(struct snd_pcm_substream *substream);
92 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
93 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
94 struct snd_pcm_hw_params *params);
95 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
96 int 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
112 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
113 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
114 int is_single_links);
115
116 int asoc_simple_clean_reference(struct snd_soc_card *card);
117
118 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
119 struct snd_pcm_hw_params *params);
120 void asoc_simple_parse_convert(struct device *dev,
121 struct device_node *np, char *prefix,
122 struct asoc_simple_data *data);
123
124 int asoc_simple_parse_routing(struct snd_soc_card *card,
125 char *prefix);
126 int asoc_simple_parse_widgets(struct snd_soc_card *card,
127 char *prefix);
128 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
129 char *prefix);
130
131 int asoc_simple_init_jack(struct snd_soc_card *card,
132 struct asoc_simple_jack *sjack,
133 int is_hp, char *prefix);
134 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
135 struct link_info *li);
136
137 #ifdef DEBUG
asoc_simple_debug_dai(struct asoc_simple_priv * priv,char * name,struct asoc_simple_dai * dai)138 static 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
asoc_simple_debug_info(struct asoc_simple_priv * priv)170 static 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 */
213
