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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 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
19struct simple_util_tdm_width_map {
20 u8 sample_bits;
21 u8 slot_count;
22 u16 slot_width;
23};
24
25struct 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
39struct simple_util_data {
40 u32 convert_rate;
41 u32 convert_channels;
42 const char *convert_sample_format;
43};
44
45struct 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
51struct prop_nums {
52 int cpus;
53 int codecs;
54 int platforms;
55};
56
57struct 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
127struct 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
133int simple_util_parse_daifmt(struct device *dev,
134 struct device_node *node,
135 struct device_node *codec,
136 char *prefix,
137 unsigned int *retfmt);
138int simple_util_parse_tdm_width_map(struct device *dev, struct device_node *np,
139 struct simple_util_dai *dai);
140
141__printf(3, 4)
142int simple_util_set_dailink_name(struct device *dev,
143 struct snd_soc_dai_link *dai_link,
144 const char *fmt, ...);
145int simple_util_parse_card_name(struct snd_soc_card *card,
146 char *prefix);
147
148int 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);
152int simple_util_startup(struct snd_pcm_substream *substream);
153void simple_util_shutdown(struct snd_pcm_substream *substream);
154int simple_util_hw_params(struct snd_pcm_substream *substream,
155 struct snd_pcm_hw_params *params);
156int simple_util_dai_init(struct snd_soc_pcm_runtime *rtd);
157int 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
166void simple_util_canonicalize_platform(struct snd_soc_dai_link_component *platforms,
167 struct snd_soc_dai_link_component *cpus);
168void simple_util_canonicalize_cpu(struct snd_soc_dai_link_component *cpus,
169 int is_single_links);
170
171void simple_util_clean_reference(struct snd_soc_card *card);
172
173void simple_util_parse_convert(struct device_node *np, char *prefix,
174 struct simple_util_data *data);
175bool simple_util_is_convert_required(const struct simple_util_data *data);
176
177int simple_util_parse_routing(struct snd_soc_card *card,
178 char *prefix);
179int simple_util_parse_widgets(struct snd_soc_card *card,
180 char *prefix);
181int simple_util_parse_pin_switches(struct snd_soc_card *card,
182 char *prefix);
183
184int simple_util_init_jack(struct snd_soc_card *card,
185 struct simple_util_jack *sjack,
186 int is_hp, char *prefix, char *pin);
187int simple_util_init_aux_jacks(struct simple_util_priv *priv,
188 char *prefix);
189int simple_util_init_priv(struct simple_util_priv *priv,
190 struct link_info *li);
191void simple_util_remove(struct platform_device *pdev);
192
193int graph_util_card_probe(struct snd_soc_card *card);
194int graph_util_is_ports0(struct device_node *port);
195int graph_util_parse_dai(struct device *dev, struct device_node *ep,
196 struct snd_soc_dai_link_component *dlc, int *is_single_link);
197
198int graph_util_parse_link_direction(struct device_node *np,
199 bool *is_playback_only, bool *is_capture_only);
200
201#ifdef DEBUG
202static inline void simple_util_debug_dai(struct simple_util_priv *priv,
203 char *name,
204 struct simple_util_dai *dai)
205{
206 struct device *dev = simple_priv_to_dev(priv);
207
208 /* dai might be NULL */
209 if (!dai)
210 return;
211
212 if (dai->name)
213 dev_dbg(dev, "%s dai name = %s\n",
214 name, dai->name);
215
216 if (dai->slots)
217 dev_dbg(dev, "%s slots = %d\n", name, dai->slots);
218 if (dai->slot_width)
219 dev_dbg(dev, "%s slot width = %d\n", name, dai->slot_width);
220 if (dai->tx_slot_mask)
221 dev_dbg(dev, "%s tx slot mask = %d\n", name, dai->tx_slot_mask);
222 if (dai->rx_slot_mask)
223 dev_dbg(dev, "%s rx slot mask = %d\n", name, dai->rx_slot_mask);
224 if (dai->clk)
225 dev_dbg(dev, "%s clk %luHz\n", name, clk_get_rate(dai->clk));
226 if (dai->sysclk)
227 dev_dbg(dev, "%s sysclk = %dHz\n",
228 name, dai->sysclk);
229 if (dai->clk || dai->sysclk)
230 dev_dbg(dev, "%s direction = %s\n",
231 name, dai->clk_direction ? "OUT" : "IN");
232}
233
234static inline void simple_util_debug_info(struct simple_util_priv *priv)
235{
236 struct snd_soc_card *card = simple_priv_to_card(priv);
237 struct device *dev = simple_priv_to_dev(priv);
238
239 int i;
240
241 if (card->name)
242 dev_dbg(dev, "Card Name: %s\n", card->name);
243
244 for (i = 0; i < card->num_links; i++) {
245 struct simple_dai_props *props = simple_priv_to_props(priv, i);
246 struct snd_soc_dai_link *link = simple_priv_to_link(priv, i);
247 struct simple_util_dai *dai;
248 struct snd_soc_codec_conf *cnf;
249 int j;
250
251 dev_dbg(dev, "DAI%d\n", i);
252
253 dev_dbg(dev, "cpu num = %d\n", link->num_cpus);
254 for_each_prop_dai_cpu(props, j, dai)
255 simple_util_debug_dai(priv, "cpu", dai);
256 dev_dbg(dev, "codec num = %d\n", link->num_codecs);
257 for_each_prop_dai_codec(props, j, dai)
258 simple_util_debug_dai(priv, "codec", dai);
259
260 if (link->name)
261 dev_dbg(dev, "dai name = %s\n", link->name);
262 if (link->dai_fmt)
263 dev_dbg(dev, "dai format = %04x\n", link->dai_fmt);
264 if (props->adata.convert_rate)
265 dev_dbg(dev, "convert_rate = %d\n", props->adata.convert_rate);
266 if (props->adata.convert_channels)
267 dev_dbg(dev, "convert_channels = %d\n", props->adata.convert_channels);
268 for_each_prop_codec_conf(props, j, cnf)
269 if (cnf->name_prefix)
270 dev_dbg(dev, "name prefix = %s\n", cnf->name_prefix);
271 if (props->mclk_fs)
272 dev_dbg(dev, "mclk-fs = %d\n", props->mclk_fs);
273 }
274}
275#else
276#define simple_util_debug_info(priv)
277#endif /* DEBUG */
278
279#endif /* __SIMPLE_CARD_UTILS_H */