Loading...
1// SPDX-License-Identifier: GPL-2.0
2//
3// soc-card.c
4//
5// Copyright (C) 2019 Renesas Electronics Corp.
6// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7//
8#include <sound/soc.h>
9#include <sound/jack.h>
10
11#define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret)
12static inline int _soc_card_ret(struct snd_soc_card *card,
13 const char *func, int ret)
14{
15 switch (ret) {
16 case -EPROBE_DEFER:
17 case -ENOTSUPP:
18 case 0:
19 break;
20 default:
21 dev_err(card->dev,
22 "ASoC: error at %s on %s: %d\n",
23 func, card->name, ret);
24 }
25
26 return ret;
27}
28
29struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
30 const char *name)
31{
32 struct snd_card *card = soc_card->snd_card;
33 struct snd_kcontrol *kctl;
34
35 if (unlikely(!name))
36 return NULL;
37
38 list_for_each_entry(kctl, &card->controls, list)
39 if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
40 return kctl;
41 return NULL;
42}
43EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
44
45static int jack_new(struct snd_soc_card *card, const char *id, int type,
46 struct snd_soc_jack *jack, bool initial_kctl)
47{
48 mutex_init(&jack->mutex);
49 jack->card = card;
50 INIT_LIST_HEAD(&jack->pins);
51 INIT_LIST_HEAD(&jack->jack_zones);
52 BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
53
54 return snd_jack_new(card->snd_card, id, type, &jack->jack, initial_kctl, false);
55}
56
57/**
58 * snd_soc_card_jack_new - Create a new jack without pins
59 * @card: ASoC card
60 * @id: an identifying string for this jack
61 * @type: a bitmask of enum snd_jack_type values that can be detected by
62 * this jack
63 * @jack: structure to use for the jack
64 *
65 * Creates a new jack object without pins. If adding pins later,
66 * snd_soc_card_jack_new_pins() should be used instead with 0 as num_pins
67 * argument.
68 *
69 * Returns zero if successful, or a negative error code on failure.
70 * On success jack will be initialised.
71 */
72int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
73 struct snd_soc_jack *jack)
74{
75 return soc_card_ret(card, jack_new(card, id, type, jack, true));
76}
77EXPORT_SYMBOL_GPL(snd_soc_card_jack_new);
78
79/**
80 * snd_soc_card_jack_new_pins - Create a new jack with pins
81 * @card: ASoC card
82 * @id: an identifying string for this jack
83 * @type: a bitmask of enum snd_jack_type values that can be detected by
84 * this jack
85 * @jack: structure to use for the jack
86 * @pins: Array of jack pins to be added to the jack or NULL
87 * @num_pins: Number of elements in the @pins array
88 *
89 * Creates a new jack object with pins. If not adding pins,
90 * snd_soc_card_jack_new() should be used instead.
91 *
92 * Returns zero if successful, or a negative error code on failure.
93 * On success jack will be initialised.
94 */
95int snd_soc_card_jack_new_pins(struct snd_soc_card *card, const char *id,
96 int type, struct snd_soc_jack *jack,
97 struct snd_soc_jack_pin *pins,
98 unsigned int num_pins)
99{
100 int ret;
101
102 ret = jack_new(card, id, type, jack, false);
103 if (ret)
104 goto end;
105
106 if (num_pins)
107 ret = snd_soc_jack_add_pins(jack, num_pins, pins);
108end:
109 return soc_card_ret(card, ret);
110}
111EXPORT_SYMBOL_GPL(snd_soc_card_jack_new_pins);
112
113int snd_soc_card_suspend_pre(struct snd_soc_card *card)
114{
115 int ret = 0;
116
117 if (card->suspend_pre)
118 ret = card->suspend_pre(card);
119
120 return soc_card_ret(card, ret);
121}
122
123int snd_soc_card_suspend_post(struct snd_soc_card *card)
124{
125 int ret = 0;
126
127 if (card->suspend_post)
128 ret = card->suspend_post(card);
129
130 return soc_card_ret(card, ret);
131}
132
133int snd_soc_card_resume_pre(struct snd_soc_card *card)
134{
135 int ret = 0;
136
137 if (card->resume_pre)
138 ret = card->resume_pre(card);
139
140 return soc_card_ret(card, ret);
141}
142
143int snd_soc_card_resume_post(struct snd_soc_card *card)
144{
145 int ret = 0;
146
147 if (card->resume_post)
148 ret = card->resume_post(card);
149
150 return soc_card_ret(card, ret);
151}
152
153int snd_soc_card_probe(struct snd_soc_card *card)
154{
155 if (card->probe) {
156 int ret = card->probe(card);
157
158 if (ret < 0)
159 return soc_card_ret(card, ret);
160
161 /*
162 * It has "card->probe" and "card->late_probe" callbacks.
163 * So, set "probed" flag here, because it needs to care
164 * about "late_probe".
165 *
166 * see
167 * snd_soc_bind_card()
168 * snd_soc_card_late_probe()
169 */
170 card->probed = 1;
171 }
172
173 return 0;
174}
175
176int snd_soc_card_late_probe(struct snd_soc_card *card)
177{
178 if (card->late_probe) {
179 int ret = card->late_probe(card);
180
181 if (ret < 0)
182 return soc_card_ret(card, ret);
183 }
184
185 /*
186 * It has "card->probe" and "card->late_probe" callbacks,
187 * and "late_probe" callback is called after "probe".
188 * This means, we can set "card->probed" flag afer "late_probe"
189 * for all cases.
190 *
191 * see
192 * snd_soc_bind_card()
193 * snd_soc_card_probe()
194 */
195 card->probed = 1;
196
197 return 0;
198}
199
200void snd_soc_card_fixup_controls(struct snd_soc_card *card)
201{
202 if (card->fixup_controls)
203 card->fixup_controls(card);
204}
205
206int snd_soc_card_remove(struct snd_soc_card *card)
207{
208 int ret = 0;
209
210 if (card->probed &&
211 card->remove)
212 ret = card->remove(card);
213
214 card->probed = 0;
215
216 return soc_card_ret(card, ret);
217}
218
219int snd_soc_card_set_bias_level(struct snd_soc_card *card,
220 struct snd_soc_dapm_context *dapm,
221 enum snd_soc_bias_level level)
222{
223 int ret = 0;
224
225 if (card && card->set_bias_level)
226 ret = card->set_bias_level(card, dapm, level);
227
228 return soc_card_ret(card, ret);
229}
230
231int snd_soc_card_set_bias_level_post(struct snd_soc_card *card,
232 struct snd_soc_dapm_context *dapm,
233 enum snd_soc_bias_level level)
234{
235 int ret = 0;
236
237 if (card && card->set_bias_level_post)
238 ret = card->set_bias_level_post(card, dapm, level);
239
240 return soc_card_ret(card, ret);
241}
242
243int snd_soc_card_add_dai_link(struct snd_soc_card *card,
244 struct snd_soc_dai_link *dai_link)
245{
246 int ret = 0;
247
248 if (card->add_dai_link)
249 ret = card->add_dai_link(card, dai_link);
250
251 return soc_card_ret(card, ret);
252}
253EXPORT_SYMBOL_GPL(snd_soc_card_add_dai_link);
254
255void snd_soc_card_remove_dai_link(struct snd_soc_card *card,
256 struct snd_soc_dai_link *dai_link)
257{
258 if (card->remove_dai_link)
259 card->remove_dai_link(card, dai_link);
260}
261EXPORT_SYMBOL_GPL(snd_soc_card_remove_dai_link);
1// SPDX-License-Identifier: GPL-2.0
2//
3// soc-card.c
4//
5// Copyright (C) 2019 Renesas Electronics Corp.
6// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
7//
8#include <sound/soc.h>
9#include <sound/jack.h>
10
11#define soc_card_ret(dai, ret) _soc_card_ret(dai, __func__, ret)
12static inline int _soc_card_ret(struct snd_soc_card *card,
13 const char *func, int ret)
14{
15 switch (ret) {
16 case -EPROBE_DEFER:
17 case -ENOTSUPP:
18 case 0:
19 break;
20 default:
21 dev_err(card->dev,
22 "ASoC: error at %s on %s: %d\n",
23 func, card->name, ret);
24 }
25
26 return ret;
27}
28
29struct snd_kcontrol *snd_soc_card_get_kcontrol(struct snd_soc_card *soc_card,
30 const char *name)
31{
32 struct snd_card *card = soc_card->snd_card;
33 struct snd_kcontrol *kctl;
34
35 if (unlikely(!name))
36 return NULL;
37
38 list_for_each_entry(kctl, &card->controls, list)
39 if (!strncmp(kctl->id.name, name, sizeof(kctl->id.name)))
40 return kctl;
41 return NULL;
42}
43EXPORT_SYMBOL_GPL(snd_soc_card_get_kcontrol);
44
45/**
46 * snd_soc_card_jack_new - Create a new jack
47 * @card: ASoC card
48 * @id: an identifying string for this jack
49 * @type: a bitmask of enum snd_jack_type values that can be detected by
50 * this jack
51 * @jack: structure to use for the jack
52 * @pins: Array of jack pins to be added to the jack or NULL
53 * @num_pins: Number of elements in the @pins array
54 *
55 * Creates a new jack object.
56 *
57 * Returns zero if successful, or a negative error code on failure.
58 * On success jack will be initialised.
59 */
60int snd_soc_card_jack_new(struct snd_soc_card *card, const char *id, int type,
61 struct snd_soc_jack *jack,
62 struct snd_soc_jack_pin *pins, unsigned int num_pins)
63{
64 int ret;
65
66 mutex_init(&jack->mutex);
67 jack->card = card;
68 INIT_LIST_HEAD(&jack->pins);
69 INIT_LIST_HEAD(&jack->jack_zones);
70 BLOCKING_INIT_NOTIFIER_HEAD(&jack->notifier);
71
72 ret = snd_jack_new(card->snd_card, id, type, &jack->jack, false, false);
73 if (ret)
74 goto end;
75
76 if (num_pins)
77 ret = snd_soc_jack_add_pins(jack, num_pins, pins);
78end:
79 return soc_card_ret(card, ret);
80}
81EXPORT_SYMBOL_GPL(snd_soc_card_jack_new);
82
83int snd_soc_card_suspend_pre(struct snd_soc_card *card)
84{
85 int ret = 0;
86
87 if (card->suspend_pre)
88 ret = card->suspend_pre(card);
89
90 return soc_card_ret(card, ret);
91}
92
93int snd_soc_card_suspend_post(struct snd_soc_card *card)
94{
95 int ret = 0;
96
97 if (card->suspend_post)
98 ret = card->suspend_post(card);
99
100 return soc_card_ret(card, ret);
101}
102
103int snd_soc_card_resume_pre(struct snd_soc_card *card)
104{
105 int ret = 0;
106
107 if (card->resume_pre)
108 ret = card->resume_pre(card);
109
110 return soc_card_ret(card, ret);
111}
112
113int snd_soc_card_resume_post(struct snd_soc_card *card)
114{
115 int ret = 0;
116
117 if (card->resume_post)
118 ret = card->resume_post(card);
119
120 return soc_card_ret(card, ret);
121}
122
123int snd_soc_card_probe(struct snd_soc_card *card)
124{
125 if (card->probe) {
126 int ret = card->probe(card);
127
128 if (ret < 0)
129 return soc_card_ret(card, ret);
130
131 /*
132 * It has "card->probe" and "card->late_probe" callbacks.
133 * So, set "probed" flag here, because it needs to care
134 * about "late_probe".
135 *
136 * see
137 * snd_soc_bind_card()
138 * snd_soc_card_late_probe()
139 */
140 card->probed = 1;
141 }
142
143 return 0;
144}
145
146int snd_soc_card_late_probe(struct snd_soc_card *card)
147{
148 if (card->late_probe) {
149 int ret = card->late_probe(card);
150
151 if (ret < 0)
152 return soc_card_ret(card, ret);
153 }
154
155 /*
156 * It has "card->probe" and "card->late_probe" callbacks,
157 * and "late_probe" callback is called after "probe".
158 * This means, we can set "card->probed" flag afer "late_probe"
159 * for all cases.
160 *
161 * see
162 * snd_soc_bind_card()
163 * snd_soc_card_probe()
164 */
165 card->probed = 1;
166
167 return 0;
168}
169
170int snd_soc_card_remove(struct snd_soc_card *card)
171{
172 int ret = 0;
173
174 if (card->probed &&
175 card->remove)
176 ret = card->remove(card);
177
178 card->probed = 0;
179
180 return soc_card_ret(card, ret);
181}
182
183int snd_soc_card_set_bias_level(struct snd_soc_card *card,
184 struct snd_soc_dapm_context *dapm,
185 enum snd_soc_bias_level level)
186{
187 int ret = 0;
188
189 if (card && card->set_bias_level)
190 ret = card->set_bias_level(card, dapm, level);
191
192 return soc_card_ret(card, ret);
193}
194
195int snd_soc_card_set_bias_level_post(struct snd_soc_card *card,
196 struct snd_soc_dapm_context *dapm,
197 enum snd_soc_bias_level level)
198{
199 int ret = 0;
200
201 if (card && card->set_bias_level_post)
202 ret = card->set_bias_level_post(card, dapm, level);
203
204 return soc_card_ret(card, ret);
205}
206
207int snd_soc_card_add_dai_link(struct snd_soc_card *card,
208 struct snd_soc_dai_link *dai_link)
209{
210 int ret = 0;
211
212 if (card->add_dai_link)
213 ret = card->add_dai_link(card, dai_link);
214
215 return soc_card_ret(card, ret);
216}
217EXPORT_SYMBOL_GPL(snd_soc_card_add_dai_link);
218
219void snd_soc_card_remove_dai_link(struct snd_soc_card *card,
220 struct snd_soc_dai_link *dai_link)
221{
222 if (card->remove_dai_link)
223 card->remove_dai_link(card, dai_link);
224}
225EXPORT_SYMBOL_GPL(snd_soc_card_remove_dai_link);