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 prop_nums {
42 int cpus;
43 int codecs;
44 int platforms;
45 int c2c;
46 };
47
48 struct asoc_simple_priv {
49 struct snd_soc_card snd_card;
50 struct simple_dai_props {
51 struct asoc_simple_dai *cpu_dai;
52 struct asoc_simple_dai *codec_dai;
53 struct snd_soc_dai_link_component *cpus;
54 struct snd_soc_dai_link_component *codecs;
55 struct snd_soc_dai_link_component *platforms;
56 struct asoc_simple_data adata;
57 struct snd_soc_codec_conf *codec_conf;
58 struct snd_soc_pcm_stream *c2c_conf;
59 struct prop_nums num;
60 unsigned int mclk_fs;
61 } *dai_props;
62 struct asoc_simple_jack hp_jack;
63 struct asoc_simple_jack mic_jack;
64 struct snd_soc_dai_link *dai_link;
65 struct asoc_simple_dai *dais;
66 struct snd_soc_dai_link_component *dlcs;
67 struct snd_soc_dai_link_component dummy;
68 struct snd_soc_codec_conf *codec_conf;
69 struct snd_soc_pcm_stream *c2c_conf;
70 struct gpio_desc *pa_gpio;
71 const struct snd_soc_ops *ops;
72 unsigned int dpcm_selectable:1;
73 unsigned int force_dpcm:1;
74 };
75 #define simple_priv_to_card(priv) (&(priv)->snd_card)
76 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
77 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
78 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
79
80 #define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)
81 #define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)
82 #define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)
83
84 #define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)
85 #define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)
86 #define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)
87
88 #define for_each_prop_dlc_cpus(props, i, cpu) \
89 for ((i) = 0; \
90 ((i) < (props)->num.cpus) && \
91 ((cpu) = simple_props_to_dlc_cpu(props, i)); \
92 (i)++)
93 #define for_each_prop_dlc_codecs(props, i, codec) \
94 for ((i) = 0; \
95 ((i) < (props)->num.codecs) && \
96 ((codec) = simple_props_to_dlc_codec(props, i)); \
97 (i)++)
98 #define for_each_prop_dlc_platforms(props, i, platform) \
99 for ((i) = 0; \
100 ((i) < (props)->num.platforms) && \
101 ((platform) = simple_props_to_dlc_platform(props, i)); \
102 (i)++)
103 #define for_each_prop_codec_conf(props, i, conf) \
104 for ((i) = 0; \
105 ((i) < (props)->num.codecs) && \
106 (props)->codec_conf && \
107 ((conf) = simple_props_to_codec_conf(props, i)); \
108 (i)++)
109
110 #define for_each_prop_dai_cpu(props, i, cpu) \
111 for ((i) = 0; \
112 ((i) < (props)->num.cpus) && \
113 ((cpu) = simple_props_to_dai_cpu(props, i)); \
114 (i)++)
115 #define for_each_prop_dai_codec(props, i, codec) \
116 for ((i) = 0; \
117 ((i) < (props)->num.codecs) && \
118 ((codec) = simple_props_to_dai_codec(props, i)); \
119 (i)++)
120
121 #define SNDRV_MAX_LINKS 512
122
123 struct link_info {
124 int link; /* number of link */
125 int cpu; /* turn for CPU / Codec */
126 struct prop_nums num[SNDRV_MAX_LINKS];
127 };
128
129 int asoc_simple_parse_daifmt(struct device *dev,
130 struct device_node *node,
131 struct device_node *codec,
132 char *prefix,
133 unsigned int *retfmt);
134 __printf(3, 4)
135 int asoc_simple_set_dailink_name(struct device *dev,
136 struct snd_soc_dai_link *dai_link,
137 const char *fmt, ...);
138 int asoc_simple_parse_card_name(struct snd_soc_card *card,
139 char *prefix);
140
141 int asoc_simple_parse_clk(struct device *dev,
142 struct device_node *node,
143 struct asoc_simple_dai *simple_dai,
144 struct snd_soc_dai_link_component *dlc);
145 int asoc_simple_startup(struct snd_pcm_substream *substream);
146 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
147 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
148 struct snd_pcm_hw_params *params);
149 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
150 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
151 struct snd_pcm_hw_params *params);
152
153 #define asoc_simple_parse_tdm(np, dai) \
154 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \
155 &(dai)->rx_slot_mask, \
156 &(dai)->slots, \
157 &(dai)->slot_width);
158
159 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
160 struct snd_soc_dai_link_component *cpus);
161 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
162 int is_single_links);
163
164 int asoc_simple_clean_reference(struct snd_soc_card *card);
165
166 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
167 struct snd_pcm_hw_params *params);
168 void asoc_simple_parse_convert(struct device_node *np, char *prefix,
169 struct asoc_simple_data *data);
170
171 int asoc_simple_parse_routing(struct snd_soc_card *card,
172 char *prefix);
173 int asoc_simple_parse_widgets(struct snd_soc_card *card,
174 char *prefix);
175 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
176 char *prefix);
177
178 int asoc_simple_init_jack(struct snd_soc_card *card,
179 struct asoc_simple_jack *sjack,
180 int is_hp, char *prefix, char *pin);
181 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
182 struct link_info *li);
183 int asoc_simple_remove(struct platform_device *pdev);
184
185 int asoc_graph_card_probe(struct snd_soc_card *card);
186 int asoc_graph_is_ports0(struct device_node *port);
187
188 #ifdef DEBUG
asoc_simple_debug_dai(struct asoc_simple_priv * priv,char * name,struct asoc_simple_dai * dai)189 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
190 char *name,
191 struct asoc_simple_dai *dai)
192 {
193 struct device *dev = simple_priv_to_dev(priv);
194
195 /* dai might be NULL */
196 if (!dai)
197 return;
198
199 if (dai->name)
200 dev_dbg(dev, "%s dai name = %s\n",
201 name, dai->name);
202
203 if (dai->slots)
204 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
205 if (dai->slot_width)
206 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
207 if (dai->tx_slot_mask)
208 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
209 if (dai->rx_slot_mask)
210 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
211 if (dai->clk)
212 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
213 if (dai->sysclk)
214 dev_dbg(dev, "%s sysclk = %dHz\n",
215 name, dai->sysclk);
216 if (dai->clk || dai->sysclk)
217 dev_dbg(dev, "%s direction = %s\n",
218 name, dai->clk_direction ? "OUT" : "IN");
219 }
220
asoc_simple_debug_info(struct asoc_simple_priv * priv)221 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
222 {
223 struct snd_soc_card *card = simple_priv_to_card(priv);
224 struct device *dev = simple_priv_to_dev(priv);
225
226 int i;
227
228 if (card->name)
229 dev_dbg(dev, "Card Name: %s\n", card->name);
230
231 for (i = 0; i < card->num_links; i++) {
232 struct simple_dai_props *props = simple_priv_to_props(priv, i);
233 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
234 struct asoc_simple_dai *dai;
235 struct snd_soc_codec_conf *cnf;
236 int j;
237
238 dev_dbg(dev, "DAI%d\n", i);
239
240 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
241 for_each_prop_dai_cpu(props, j, dai)
242 asoc_simple_debug_dai(priv, "cpu", dai);
243 dev_dbg(dev, "codec num = %d\n", link->num_codecs);
244 for_each_prop_dai_codec(props, j, dai)
245 asoc_simple_debug_dai(priv, "codec", dai);
246
247 if (link->name)
248 dev_dbg(dev, "dai name = %s\n", link->name);
249 if (link->dai_fmt)
250 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
251 if (props->adata.convert_rate)
252 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
253 if (props->adata.convert_channels)
254 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
255 for_each_prop_codec_conf(props, j, cnf)
256 if (cnf->name_prefix)
257 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
258 if (props->mclk_fs)
259 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
260 }
261 }
262 #else
263 #define asoc_simple_debug_info(priv)
264 #endif /* DEBUG */
265
266 #endif /* __SIMPLE_CARD_UTILS_H */
267