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
19 struct 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
30 struct asoc_simple_data {
31 u32 convert_rate;
32 u32 convert_channels;
33 };
34
35 struct 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
41 struct 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
65 struct 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
72 int 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)
78 int asoc_simple_set_dailink_name(struct device *dev,
79 struct snd_soc_dai_link *dai_link,
80 const char *fmt, ...);
81 int 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)
88 int 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);
92 int asoc_simple_startup(struct snd_pcm_substream *substream);
93 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
94 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
95 struct snd_pcm_hw_params *params);
96 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
97 int 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
113 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link *dai_link);
114 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link *dai_link,
115 int is_single_links);
116
117 int asoc_simple_clean_reference(struct snd_soc_card *card);
118
119 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
120 struct snd_pcm_hw_params *params);
121 void asoc_simple_parse_convert(struct device *dev,
122 struct device_node *np, char *prefix,
123 struct asoc_simple_data *data);
124
125 int asoc_simple_parse_routing(struct snd_soc_card *card,
126 char *prefix);
127 int asoc_simple_parse_widgets(struct snd_soc_card *card,
128 char *prefix);
129 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
130 char *prefix);
131
132 int asoc_simple_init_jack(struct snd_soc_card *card,
133 struct asoc_simple_jack *sjack,
134 int is_hp, char *prefix, char *pin);
135 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
136 struct link_info *li);
137
138 #ifdef DEBUG
asoc_simple_debug_dai(struct asoc_simple_priv * priv,char * name,struct asoc_simple_dai * dai)139 static 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
asoc_simple_debug_info(struct asoc_simple_priv * priv)171 static 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 */
214