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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
19struct 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
30struct asoc_simple_data {
31 u32 convert_rate;
32 u32 convert_channels;
33};
34
35struct 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
41struct prop_nums {
42 int cpus;
43 int codecs;
44 int platforms;
45};
46
47struct asoc_simple_priv {
48 struct snd_soc_card snd_card;
49 struct simple_dai_props {
50 struct asoc_simple_dai *cpu_dai;
51 struct asoc_simple_dai *codec_dai;
52 struct snd_soc_dai_link_component *cpus;
53 struct snd_soc_dai_link_component *codecs;
54 struct snd_soc_dai_link_component *platforms;
55 struct asoc_simple_data adata;
56 struct snd_soc_codec_conf *codec_conf;
57 struct prop_nums num;
58 unsigned int mclk_fs;
59 } *dai_props;
60 struct asoc_simple_jack hp_jack;
61 struct asoc_simple_jack mic_jack;
62 struct snd_soc_dai_link *dai_link;
63 struct asoc_simple_dai *dais;
64 struct snd_soc_dai_link_component *dlcs;
65 struct snd_soc_dai_link_component dummy;
66 struct snd_soc_codec_conf *codec_conf;
67 struct gpio_desc *pa_gpio;
68 const struct snd_soc_ops *ops;
69 unsigned int dpcm_selectable:1;
70 unsigned int force_dpcm:1;
71};
72#define simple_priv_to_card(priv) (&(priv)->snd_card)
73#define simple_priv_to_props(priv, i) ((priv)->dai_props + (i))
74#define simple_priv_to_dev(priv) (simple_priv_to_card(priv)->dev)
75#define simple_priv_to_link(priv, i) (simple_priv_to_card(priv)->dai_link + (i))
76
77#define simple_props_to_dlc_cpu(props, i) ((props)->cpus + i)
78#define simple_props_to_dlc_codec(props, i) ((props)->codecs + i)
79#define simple_props_to_dlc_platform(props, i) ((props)->platforms + i)
80
81#define simple_props_to_dai_cpu(props, i) ((props)->cpu_dai + i)
82#define simple_props_to_dai_codec(props, i) ((props)->codec_dai + i)
83#define simple_props_to_codec_conf(props, i) ((props)->codec_conf + i)
84
85#define for_each_prop_dlc_cpus(props, i, cpu) \
86 for ((i) = 0; \
87 ((i) < (props)->num.cpus) && \
88 ((cpu) = simple_props_to_dlc_cpu(props, i)); \
89 (i)++)
90#define for_each_prop_dlc_codecs(props, i, codec) \
91 for ((i) = 0; \
92 ((i) < (props)->num.codecs) && \
93 ((codec) = simple_props_to_dlc_codec(props, i)); \
94 (i)++)
95#define for_each_prop_dlc_platforms(props, i, platform) \
96 for ((i) = 0; \
97 ((i) < (props)->num.platforms) && \
98 ((platform) = simple_props_to_dlc_platform(props, i)); \
99 (i)++)
100#define for_each_prop_codec_conf(props, i, conf) \
101 for ((i) = 0; \
102 ((i) < (props)->num.codecs) && \
103 (props)->codec_conf && \
104 ((conf) = simple_props_to_codec_conf(props, i)); \
105 (i)++)
106
107#define for_each_prop_dai_cpu(props, i, cpu) \
108 for ((i) = 0; \
109 ((i) < (props)->num.cpus) && \
110 ((cpu) = simple_props_to_dai_cpu(props, i)); \
111 (i)++)
112#define for_each_prop_dai_codec(props, i, codec) \
113 for ((i) = 0; \
114 ((i) < (props)->num.codecs) && \
115 ((codec) = simple_props_to_dai_codec(props, i)); \
116 (i)++)
117
118#define SNDRV_MAX_LINKS 128
119
120struct link_info {
121 int link; /* number of link */
122 int cpu; /* turn for CPU / Codec */
123 struct prop_nums num[SNDRV_MAX_LINKS];
124};
125
126int asoc_simple_parse_daifmt(struct device *dev,
127 struct device_node *node,
128 struct device_node *codec,
129 char *prefix,
130 unsigned int *retfmt);
131__printf(3, 4)
132int asoc_simple_set_dailink_name(struct device *dev,
133 struct snd_soc_dai_link *dai_link,
134 const char *fmt, ...);
135int asoc_simple_parse_card_name(struct snd_soc_card *card,
136 char *prefix);
137
138int asoc_simple_parse_clk(struct device *dev,
139 struct device_node *node,
140 struct asoc_simple_dai *simple_dai,
141 struct snd_soc_dai_link_component *dlc);
142int asoc_simple_startup(struct snd_pcm_substream *substream);
143void asoc_simple_shutdown(struct snd_pcm_substream *substream);
144int asoc_simple_hw_params(struct snd_pcm_substream *substream,
145 struct snd_pcm_hw_params *params);
146int asoc_simple_dai_init(struct snd_soc_pcm_runtime *rtd);
147int asoc_simple_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
148 struct snd_pcm_hw_params *params);
149
150#define asoc_simple_parse_tdm(np, dai) \
151 snd_soc_of_parse_tdm_slot(np, &(dai)->tx_slot_mask, \
152 &(dai)->rx_slot_mask, \
153 &(dai)->slots, \
154 &(dai)->slot_width);
155
156void asoc_simple_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
157 struct snd_soc_dai_link_component *cpus);
158void asoc_simple_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
159 int is_single_links);
160
161int asoc_simple_clean_reference(struct snd_soc_card *card);
162
163void asoc_simple_convert_fixup(struct asoc_simple_data *data,
164 struct snd_pcm_hw_params *params);
165void asoc_simple_parse_convert(struct device_node *np, char *prefix,
166 struct asoc_simple_data *data);
167
168int asoc_simple_parse_routing(struct snd_soc_card *card,
169 char *prefix);
170int asoc_simple_parse_widgets(struct snd_soc_card *card,
171 char *prefix);
172int asoc_simple_parse_pin_switches(struct snd_soc_card *card,
173 char *prefix);
174
175int asoc_simple_init_jack(struct snd_soc_card *card,
176 struct asoc_simple_jack *sjack,
177 int is_hp, char *prefix, char *pin);
178int asoc_simple_init_priv(struct asoc_simple_priv *priv,
179 struct link_info *li);
180int asoc_simple_remove(struct platform_device *pdev);
181
182int asoc_graph_card_probe(struct snd_soc_card *card);
183
184#ifdef DEBUG
185static inline void asoc_simple_debug_dai(struct asoc_simple_priv *priv,
186 char *name,
187 struct asoc_simple_dai *dai)
188{
189 struct device *dev = simple_priv_to_dev(priv);
190
191 /* dai might be NULL */
192 if (!dai)
193 return;
194
195 if (dai->name)
196 dev_dbg(dev, "%s dai name = %s\n",
197 name, dai->name);
198
199 if (dai->slots)
200 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
201 if (dai->slot_width)
202 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
203 if (dai->tx_slot_mask)
204 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
205 if (dai->rx_slot_mask)
206 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
207 if (dai->clk)
208 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
209 if (dai->sysclk)
210 dev_dbg(dev, "%s sysclk = %dHz\n",
211 name, dai->sysclk);
212 if (dai->clk || dai->sysclk)
213 dev_dbg(dev, "%s direction = %s\n",
214 name, dai->clk_direction ? "OUT" : "IN");
215}
216
217static inline void asoc_simple_debug_info(struct asoc_simple_priv *priv)
218{
219 struct snd_soc_card *card = simple_priv_to_card(priv);
220 struct device *dev = simple_priv_to_dev(priv);
221
222 int i;
223
224 if (card->name)
225 dev_dbg(dev, "Card Name: %s\n", card->name);
226
227 for (i = 0; i < card->num_links; i++) {
228 struct simple_dai_props *props = simple_priv_to_props(priv, i);
229 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
230 struct asoc_simple_dai *dai;
231 struct snd_soc_codec_conf *cnf;
232 int j;
233
234 dev_dbg(dev, "DAI%d\n", i);
235
236 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
237 for_each_prop_dai_cpu(props, j, dai)
238 asoc_simple_debug_dai(priv, "cpu", dai);
239 dev_dbg(dev, "codec num = %d\n", link->num_codecs);
240 for_each_prop_dai_codec(props, j, dai)
241 asoc_simple_debug_dai(priv, "codec", dai);
242
243 if (link->name)
244 dev_dbg(dev, "dai name = %s\n", link->name);
245 if (link->dai_fmt)
246 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
247 if (props->adata.convert_rate)
248 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
249 if (props->adata.convert_channels)
250 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
251 for_each_prop_codec_conf(props, j, cnf)
252 if (cnf->name_prefix)
253 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
254 if (props->mclk_fs)
255 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
256 }
257}
258#else
259#define asoc_simple_debug_info(priv)
260#endif /* DEBUG */
261
262#endif /* __SIMPLE_CARD_UTILS_H */