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[J-linux.git] / include / sound / simple_card_utils.h
1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * simple_card_utils.h
4  *
5  * Copyright (c) 2016 Kuninori Morimoto <[email protected]>
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 simple_util_init_hp(card, sjack, prefix)                \
15         simple_util_init_jack(card, sjack, 1, prefix, NULL)
16 #define simple_util_init_mic(card, sjack, prefix)               \
17         simple_util_init_jack(card, sjack, 0, prefix, NULL)
18
19 struct simple_util_tdm_width_map {
20         u8 sample_bits;
21         u8 slot_count;
22         u16 slot_width;
23 };
24
25 struct simple_util_dai {
26         const char *name;
27         unsigned int sysclk;
28         int clk_direction;
29         int slots;
30         int slot_width;
31         unsigned int tx_slot_mask;
32         unsigned int rx_slot_mask;
33         struct clk *clk;
34         bool clk_fixed;
35         struct simple_util_tdm_width_map *tdm_width_map;
36         int n_tdm_widths;
37 };
38
39 struct simple_util_data {
40         u32 convert_rate;
41         u32 convert_channels;
42         const char *convert_sample_format;
43 };
44
45 struct simple_util_jack {
46         struct snd_soc_jack jack;
47         struct snd_soc_jack_pin pin;
48         struct snd_soc_jack_gpio gpio;
49 };
50
51 struct prop_nums {
52         int cpus;
53         int codecs;
54         int platforms;
55 };
56
57 struct simple_util_priv {
58         struct snd_soc_card snd_card;
59         struct simple_dai_props {
60                 struct simple_util_dai *cpu_dai;
61                 struct simple_util_dai *codec_dai;
62                 struct simple_util_data adata;
63                 struct snd_soc_codec_conf *codec_conf;
64                 struct prop_nums num;
65                 unsigned int mclk_fs;
66         } *dai_props;
67         struct simple_util_jack hp_jack;
68         struct simple_util_jack mic_jack;
69         struct snd_soc_jack *aux_jacks;
70         struct snd_soc_dai_link *dai_link;
71         struct simple_util_dai *dais;
72         struct snd_soc_dai_link_component *dlcs;
73         struct snd_soc_codec_conf *codec_conf;
74         struct gpio_desc *pa_gpio;
75         const struct snd_soc_ops *ops;
76         unsigned int dpcm_selectable:1;
77         unsigned int force_dpcm:1;
78 };
79 #define simple_priv_to_card(priv)       (&(priv)->snd_card)
80 #define simple_priv_to_props(priv, i)   ((priv)->dai_props + (i))
81 #define simple_priv_to_dev(priv)        (simple_priv_to_card(priv)->dev)
82 #define simple_priv_to_link(priv, i)    (simple_priv_to_card(priv)->dai_link + (i))
83
84 #define simple_props_to_dlc_cpu(props, i)       ((props)->cpus + i)
85 #define simple_props_to_dlc_codec(props, i)     ((props)->codecs + i)
86 #define simple_props_to_dlc_platform(props, i)  ((props)->platforms + i)
87
88 #define simple_props_to_dai_cpu(props, i)       ((props)->cpu_dai + i)
89 #define simple_props_to_dai_codec(props, i)     ((props)->codec_dai + i)
90 #define simple_props_to_codec_conf(props, i)    ((props)->codec_conf + i)
91
92 #define for_each_prop_dlc_cpus(props, i, cpu)                           \
93         for ((i) = 0;                                                   \
94              ((i) < (props)->num.cpus) &&                               \
95                      ((cpu) = simple_props_to_dlc_cpu(props, i));       \
96              (i)++)
97 #define for_each_prop_dlc_codecs(props, i, codec)                       \
98         for ((i) = 0;                                                   \
99              ((i) < (props)->num.codecs) &&                             \
100                      ((codec) = simple_props_to_dlc_codec(props, i));   \
101              (i)++)
102 #define for_each_prop_dlc_platforms(props, i, platform)                 \
103         for ((i) = 0;                                                   \
104              ((i) < (props)->num.platforms) &&                          \
105                      ((platform) = simple_props_to_dlc_platform(props, i)); \
106              (i)++)
107 #define for_each_prop_codec_conf(props, i, conf)                        \
108         for ((i) = 0;                                                   \
109              ((i) < (props)->num.codecs) &&                             \
110                      (props)->codec_conf &&                             \
111                      ((conf) = simple_props_to_codec_conf(props, i));   \
112              (i)++)
113
114 #define for_each_prop_dai_cpu(props, i, cpu)                            \
115         for ((i) = 0;                                                   \
116              ((i) < (props)->num.cpus) &&                               \
117                      ((cpu) = simple_props_to_dai_cpu(props, i));       \
118              (i)++)
119 #define for_each_prop_dai_codec(props, i, codec)                        \
120         for ((i) = 0;                                                   \
121              ((i) < (props)->num.codecs) &&                             \
122                      ((codec) = simple_props_to_dai_codec(props, i));   \
123              (i)++)
124
125 #define SNDRV_MAX_LINKS 512
126
127 struct link_info {
128         int link; /* number of link */
129         int cpu;  /* turn for CPU / Codec */
130         struct prop_nums num[SNDRV_MAX_LINKS];
131 };
132
133 int simple_util_parse_daifmt(struct device *dev,
134                              struct device_node *node,
135                              struct device_node *codec,
136                              char *prefix,
137                              unsigned int *retfmt);
138 int simple_util_parse_tdm_width_map(struct device *dev, struct device_node *np,
139                                     struct simple_util_dai *dai);
140
141 __printf(3, 4)
142 int simple_util_set_dailink_name(struct device *dev,
143                                  struct snd_soc_dai_link *dai_link,
144                                  const char *fmt, ...);
145 int simple_util_parse_card_name(struct snd_soc_card *card,
146                                 char *prefix);
147
148 int simple_util_parse_clk(struct device *dev,
149                           struct device_node *node,
150                           struct simple_util_dai *simple_dai,
151                           struct snd_soc_dai_link_component *dlc);
152 int simple_util_startup(struct snd_pcm_substream *substream);
153 void simple_util_shutdown(struct snd_pcm_substream *substream);
154 int simple_util_hw_params(struct snd_pcm_substream *substream,
155                           struct snd_pcm_hw_params *params);
156 int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd);
157 int simple_util_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
158                                    struct snd_pcm_hw_params *params);
159
160 #define simple_util_parse_tdm(np, dai)                          \
161         snd_soc_of_parse_tdm_slot(np,   &(dai)->tx_slot_mask,   \
162                                         &(dai)->rx_slot_mask,   \
163                                         &(dai)->slots,          \
164                                         &(dai)->slot_width);
165
166 void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
167                                        struct snd_soc_dai_link_component *cpus);
168 void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
169                                   int is_single_links);
170
171 void simple_util_clean_reference(struct snd_soc_card *card);
172
173 void simple_util_parse_convert(struct device_node *np, char *prefix,
174                                struct simple_util_data *data);
175 bool simple_util_is_convert_required(const struct simple_util_data *data);
176
177 int simple_util_get_sample_fmt(struct simple_util_data *data);
178
179 int simple_util_parse_routing(struct snd_soc_card *card,
180                                       char *prefix);
181 int simple_util_parse_widgets(struct snd_soc_card *card,
182                                       char *prefix);
183 int simple_util_parse_pin_switches(struct snd_soc_card *card,
184                                    char *prefix);
185
186 int simple_util_init_jack(struct snd_soc_card *card,
187                                struct simple_util_jack *sjack,
188                                int is_hp, char *prefix, char *pin);
189 int simple_util_init_aux_jacks(struct simple_util_priv *priv,
190                                 char *prefix);
191 int simple_util_init_priv(struct simple_util_priv *priv,
192                                struct link_info *li);
193 void simple_util_remove(struct platform_device *pdev);
194
195 int graph_util_card_probe(struct snd_soc_card *card);
196 int graph_util_is_ports0(struct device_node *port);
197 int graph_util_parse_dai(struct device *dev, struct device_node *ep,
198                          struct snd_soc_dai_link_component *dlc, int *is_single_link);
199
200 void graph_util_parse_link_direction(struct device_node *np,
201                                     bool *is_playback_only, bool *is_capture_only);
202 void graph_util_parse_trigger_order(struct simple_util_priv *priv,
203                                     struct device_node *np,
204                                     enum snd_soc_trigger_order *trigger_start,
205                                     enum snd_soc_trigger_order *trigger_stop);
206
207 #ifdef DEBUG
208 static inline void simple_util_debug_dai(struct simple_util_priv *priv,
209                                          char *name,
210                                          struct simple_util_dai *dai)
211 {
212         struct device *dev = simple_priv_to_dev(priv);
213
214         /* dai might be NULL */
215         if (!dai)
216                 return;
217
218         if (dai->name)
219                 dev_dbg(dev, "%s dai name = %s\n",
220                         name, dai->name);
221
222         if (dai->slots)
223                 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
224         if (dai->slot_width)
225                 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
226         if (dai->tx_slot_mask)
227                 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
228         if (dai->rx_slot_mask)
229                 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
230         if (dai->clk)
231                 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
232         if (dai->sysclk)
233                 dev_dbg(dev, "%s sysclk = %dHz\n",
234                         name, dai->sysclk);
235         if (dai->clk || dai->sysclk)
236                 dev_dbg(dev, "%s direction = %s\n",
237                         name, dai->clk_direction ? "OUT" : "IN");
238 }
239
240 static inline void simple_util_debug_info(struct simple_util_priv *priv)
241 {
242         struct snd_soc_card *card = simple_priv_to_card(priv);
243         struct device *dev = simple_priv_to_dev(priv);
244
245         int i;
246
247         if (card->name)
248                 dev_dbg(dev, "Card Name: %s\n", card->name);
249
250         for (i = 0; i < card->num_links; i++) {
251                 struct simple_dai_props *props = simple_priv_to_props(priv, i);
252                 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
253                 struct simple_util_dai *dai;
254                 struct snd_soc_codec_conf *cnf;
255                 int j;
256
257                 dev_dbg(dev, "DAI%d\n", i);
258
259                 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
260                 for_each_prop_dai_cpu(props, j, dai)
261                         simple_util_debug_dai(priv, "cpu", dai);
262                 dev_dbg(dev, "codec num = %d\n", link->num_codecs);
263                 for_each_prop_dai_codec(props, j, dai)
264                         simple_util_debug_dai(priv, "codec", dai);
265
266                 if (link->name)
267                         dev_dbg(dev, "dai name = %s\n", link->name);
268                 if (link->dai_fmt)
269                         dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
270                 if (props->adata.convert_rate)
271                         dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
272                 if (props->adata.convert_channels)
273                         dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
274                 for_each_prop_codec_conf(props, j, cnf)
275                         if (cnf->name_prefix)
276                                 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
277                 if (props->mclk_fs)
278                         dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
279         }
280 }
281 #else
282 #define  simple_util_debug_info(priv)
283 #endif /* DEBUG */
284
285 #endif /* __SIMPLE_CARD_UTILS_H */
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