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_tdm_width_map {
20 u8 sample_bits;
21 u8 slot_count;
22 u16 slot_width;
23 };
24
25 struct asoc_simple_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 asoc_simple_tdm_width_map *tdm_width_map;
36 int n_tdm_widths;
37 };
38
39 struct asoc_simple_data {
40 u32 convert_rate;
41 u32 convert_channels;
42 const char *convert_sample_format;
43 };
44
45 struct asoc_simple_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 asoc_simple_priv {
58 struct snd_soc_card snd_card;
59 struct simple_dai_props {
60 struct asoc_simple_dai *cpu_dai;
61 struct asoc_simple_dai *codec_dai;
62 struct snd_soc_dai_link_component *cpus;
63 struct snd_soc_dai_link_component *codecs;
64 struct snd_soc_dai_link_component *platforms;
65 struct asoc_simple_data adata;
66 struct snd_soc_codec_conf *codec_conf;
67 struct prop_nums num;
68 unsigned int mclk_fs;
69 } *dai_props;
70 struct asoc_simple_jack hp_jack;
71 struct asoc_simple_jack mic_jack;
72 struct snd_soc_dai_link *dai_link;
73 struct asoc_simple_dai *dais;
74 struct snd_soc_dai_link_component *dlcs;
75 struct snd_soc_dai_link_component dummy;
76 struct snd_soc_codec_conf *codec_conf;
77 struct gpio_desc *pa_gpio;
78 const struct snd_soc_ops *ops;
79 unsigned int dpcm_selectable:1;
80 unsigned int force_dpcm:1;
81 };
82 #define simple_priv_to_card(priv) (&(priv)->snd_card)
83 #define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
84 #define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
85 #define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
86
87 #define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)
88 #define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)
89 #define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)
90
91 #define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)
92 #define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)
93 #define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)
94
95 #define for_each_prop_dlc_cpus(props, i, cpu) \
96 for ((i) = 0; \
97 ((i) < (props)->num.cpus) && \
98 ((cpu) = simple_props_to_dlc_cpu(props, i)); \
99 (i)++)
100 #define for_each_prop_dlc_codecs(props, i, codec) \
101 for ((i) = 0; \
102 ((i) < (props)->num.codecs) && \
103 ((codec) = simple_props_to_dlc_codec(props, i)); \
104 (i)++)
105 #define for_each_prop_dlc_platforms(props, i, platform) \
106 for ((i) = 0; \
107 ((i) < (props)->num.platforms) && \
108 ((platform) = simple_props_to_dlc_platform(props, i)); \
109 (i)++)
110 #define for_each_prop_codec_conf(props, i, conf) \
111 for ((i) = 0; \
112 ((i) < (props)->num.codecs) && \
113 (props)->codec_conf && \
114 ((conf) = simple_props_to_codec_conf(props, i)); \
115 (i)++)
116
117 #define for_each_prop_dai_cpu(props, i, cpu) \
118 for ((i) = 0; \
119 ((i) < (props)->num.cpus) && \
120 ((cpu) = simple_props_to_dai_cpu(props, i)); \
121 (i)++)
122 #define for_each_prop_dai_codec(props, i, codec) \
123 for ((i) = 0; \
124 ((i) < (props)->num.codecs) && \
125 ((codec) = simple_props_to_dai_codec(props, i)); \
126 (i)++)
127
128 #define SNDRV_MAX_LINKS 512
129
130 struct link_info {
131 int link; /* number of link */
132 int cpu; /* turn for CPU / Codec */
133 struct prop_nums num[SNDRV_MAX_LINKS];
134 };
135
136 int asoc_simple_parse_daifmt(struct device *dev,
137 struct device_node *node,
138 struct device_node *codec,
139 char *prefix,
140 unsigned int *retfmt);
141 int asoc_simple_parse_tdm_width_map(struct device *dev, struct device_node *np,
142 struct asoc_simple_dai *dai);
143
144 __printf(3, 4)
145 int asoc_simple_set_dailink_name(struct device *dev,
146 struct snd_soc_dai_link *dai_link,
147 const char *fmt, ...);
148 int asoc_simple_parse_card_name(struct snd_soc_card *card,
149 char *prefix);
150
151 int asoc_simple_parse_clk(struct device *dev,
152 struct device_node *node,
153 struct asoc_simple_dai *simple_dai,
154 struct snd_soc_dai_link_component *dlc);
155 int asoc_simple_startup(struct snd_pcm_substream *substream);
156 void asoc_simple_shutdown(struct snd_pcm_substream *substream);
157 int asoc_simple_hw_params(struct snd_pcm_substream *substream,
158 struct snd_pcm_hw_params *params);
159 int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
160 int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
161 struct snd_pcm_hw_params *params);
162
163 #define asoc_simple_parse_tdm(np, dai) \
164 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \
165 &(dai)->rx_slot_mask, \
166 &(dai)->slots, \
167 &(dai)->slot_width);
168
169 void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
170 struct snd_soc_dai_link_component *cpus);
171 void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
172 int is_single_links);
173
174 void asoc_simple_clean_reference(struct snd_soc_card *card);
175
176 void asoc_simple_convert_fixup(struct asoc_simple_data *data,
177 struct snd_pcm_hw_params *params);
178 void asoc_simple_parse_convert(struct device_node *np, char *prefix,
179 struct asoc_simple_data *data);
180 bool asoc_simple_is_convert_required(const struct asoc_simple_data *data);
181
182 int asoc_simple_parse_routing(struct snd_soc_card *card,
183 char *prefix);
184 int asoc_simple_parse_widgets(struct snd_soc_card *card,
185 char *prefix);
186 int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
187 char *prefix);
188
189 int asoc_simple_init_jack(struct snd_soc_card *card,
190 struct asoc_simple_jack *sjack,
191 int is_hp, char *prefix, char *pin);
192 int asoc_simple_init_priv(struct asoc_simple_priv *priv,
193 struct link_info *li);
194 int asoc_simple_remove(struct platform_device *pdev);
195
196 int asoc_graph_card_probe(struct snd_soc_card *card);
197 int asoc_graph_is_ports0(struct device_node *port);
198
199 #ifdef DEBUG
asoc_simple_debug_dai(struct asoc_simple_priv * priv,char * name,struct asoc_simple_dai * dai)200 static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
201 char *name,
202 struct asoc_simple_dai *dai)
203 {
204 struct device *dev = simple_priv_to_dev(priv);
205
206 /* dai might be NULL */
207 if (!dai)
208 return;
209
210 if (dai->name)
211 dev_dbg(dev, "%s dai name = %s\n",
212 name, dai->name);
213
214 if (dai->slots)
215 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
216 if (dai->slot_width)
217 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
218 if (dai->tx_slot_mask)
219 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
220 if (dai->rx_slot_mask)
221 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
222 if (dai->clk)
223 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
224 if (dai->sysclk)
225 dev_dbg(dev, "%s sysclk = %dHz\n",
226 name, dai->sysclk);
227 if (dai->clk || dai->sysclk)
228 dev_dbg(dev, "%s direction = %s\n",
229 name, dai->clk_direction ? "OUT" : "IN");
230 }
231
asoc_simple_debug_info(struct asoc_simple_priv * priv)232 static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
233 {
234 struct snd_soc_card *card = simple_priv_to_card(priv);
235 struct device *dev = simple_priv_to_dev(priv);
236
237 int i;
238
239 if (card->name)
240 dev_dbg(dev, "Card Name: %s\n", card->name);
241
242 for (i = 0; i < card->num_links; i++) {
243 struct simple_dai_props *props = simple_priv_to_props(priv, i);
244 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
245 struct asoc_simple_dai *dai;
246 struct snd_soc_codec_conf *cnf;
247 int j;
248
249 dev_dbg(dev, "DAI%d\n", i);
250
251 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
252 for_each_prop_dai_cpu(props, j, dai)
253 asoc_simple_debug_dai(priv, "cpu", dai);
254 dev_dbg(dev, "codec num = %d\n", link->num_codecs);
255 for_each_prop_dai_codec(props, j, dai)
256 asoc_simple_debug_dai(priv, "codec", dai);
257
258 if (link->name)
259 dev_dbg(dev, "dai name = %s\n", link->name);
260 if (link->dai_fmt)
261 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
262 if (props->adata.convert_rate)
263 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
264 if (props->adata.convert_channels)
265 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
266 for_each_prop_codec_conf(props, j, cnf)
267 if (cnf->name_prefix)
268 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
269 if (props->mclk_fs)
270 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
271 }
272 }
273 #else
274 #define asoc_simple_debug_info(priv)
275 #endif /* DEBUG */
276
277 #endif /* __SIMPLE_CARD_UTILS_H */
278
