blob: 728e93f35ffbe2f476a0b776d2980062a5a346a2 [file] [log] [blame]
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +09001// SPDX-License-Identifier: GPL-2.0
2//
3// soc-component.c
4//
Kuninori Morimoto460b42d2020-06-04 17:08:03 +09005// Copyright 2009-2011 Wolfson Microelectronics PLC.
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +09006// Copyright (C) 2019 Renesas Electronics Corp.
Kuninori Morimoto460b42d2020-06-04 17:08:03 +09007//
8// Mark Brown <broonie@opensource.wolfsonmicro.com>
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +09009// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
10//
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +090011#include <linux/module.h>
Kuninori Morimoto939a5cf2020-09-28 09:01:17 +090012#include <linux/pm_runtime.h>
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +090013#include <sound/soc.h>
14
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +090015#define soc_component_ret(dai, ret) _soc_component_ret(dai, __func__, ret)
16static inline int _soc_component_ret(struct snd_soc_component *component,
17 const char *func, int ret)
18{
19 /* Positive/Zero values are not errors */
20 if (ret >= 0)
21 return ret;
22
23 /* Negative values might be errors */
24 switch (ret) {
25 case -EPROBE_DEFER:
26 case -ENOTSUPP:
27 break;
28 default:
29 dev_err(component->dev,
30 "ASoC: error at %s on %s: %d\n",
31 func, component->name, ret);
32 }
33
34 return ret;
35}
36
Kuninori Morimoto51aff912020-09-28 09:01:04 +090037/*
38 * We might want to check substream by using list.
39 * In such case, we can update these macros.
40 */
41#define soc_component_mark_push(component, substream, tgt) ((component)->mark_##tgt = substream)
42#define soc_component_mark_pop(component, substream, tgt) ((component)->mark_##tgt = NULL)
43#define soc_component_mark_match(component, substream, tgt) ((component)->mark_##tgt == substream)
44
Kuninori Morimoto257c4da2020-06-04 17:07:54 +090045void snd_soc_component_set_aux(struct snd_soc_component *component,
46 struct snd_soc_aux_dev *aux)
47{
48 component->init = (aux) ? aux->init : NULL;
49}
50
51int snd_soc_component_init(struct snd_soc_component *component)
52{
53 int ret = 0;
54
55 if (component->init)
56 ret = component->init(component);
57
58 return soc_component_ret(component, ret);
59}
60
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +090061/**
62 * snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
63 * @component: COMPONENT
64 * @clk_id: DAI specific clock ID
65 * @source: Source for the clock
66 * @freq: new clock frequency in Hz
67 * @dir: new clock direction - input/output.
68 *
69 * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
70 */
71int snd_soc_component_set_sysclk(struct snd_soc_component *component,
72 int clk_id, int source, unsigned int freq,
73 int dir)
74{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +090075 int ret = -ENOTSUPP;
76
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +090077 if (component->driver->set_sysclk)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +090078 ret = component->driver->set_sysclk(component, clk_id, source,
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +090079 freq, dir);
80
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +090081 return soc_component_ret(component, ret);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +090082}
83EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
84
85/*
86 * snd_soc_component_set_pll - configure component PLL.
87 * @component: COMPONENT
88 * @pll_id: DAI specific PLL ID
89 * @source: DAI specific source for the PLL
90 * @freq_in: PLL input clock frequency in Hz
91 * @freq_out: requested PLL output clock frequency in Hz
92 *
93 * Configures and enables PLL to generate output clock based on input clock.
94 */
95int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
96 int source, unsigned int freq_in,
97 unsigned int freq_out)
98{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +090099 int ret = -EINVAL;
100
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900101 if (component->driver->set_pll)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900102 ret = component->driver->set_pll(component, pll_id, source,
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900103 freq_in, freq_out);
104
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900105 return soc_component_ret(component, ret);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900106}
107EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
108
Kuninori Morimoto9d415fb2019-07-26 13:51:35 +0900109void snd_soc_component_seq_notifier(struct snd_soc_component *component,
110 enum snd_soc_dapm_type type, int subseq)
111{
112 if (component->driver->seq_notifier)
113 component->driver->seq_notifier(component, type, subseq);
114}
115
Kuninori Morimoto8e2a9902019-07-26 13:51:39 +0900116int snd_soc_component_stream_event(struct snd_soc_component *component,
117 int event)
118{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900119 int ret = 0;
Kuninori Morimoto8e2a9902019-07-26 13:51:39 +0900120
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900121 if (component->driver->stream_event)
122 ret = component->driver->stream_event(component, event);
123
124 return soc_component_ret(component, ret);
Kuninori Morimoto8e2a9902019-07-26 13:51:39 +0900125}
126
Kuninori Morimoto7951b1462019-07-26 13:51:43 +0900127int snd_soc_component_set_bias_level(struct snd_soc_component *component,
128 enum snd_soc_bias_level level)
129{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900130 int ret = 0;
Kuninori Morimoto7951b1462019-07-26 13:51:43 +0900131
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900132 if (component->driver->set_bias_level)
133 ret = component->driver->set_bias_level(component, level);
134
135 return soc_component_ret(component, ret);
Kuninori Morimoto7951b1462019-07-26 13:51:43 +0900136}
137
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900138static int soc_component_pin(struct snd_soc_component *component,
139 const char *pin,
140 int (*pin_func)(struct snd_soc_dapm_context *dapm,
141 const char *pin))
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900142{
143 struct snd_soc_dapm_context *dapm =
144 snd_soc_component_get_dapm(component);
145 char *full_name;
146 int ret;
147
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900148 if (!component->name_prefix) {
149 ret = pin_func(dapm, pin);
150 goto end;
151 }
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900152
153 full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900154 if (!full_name) {
155 ret = -ENOMEM;
156 goto end;
157 }
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900158
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900159 ret = pin_func(dapm, full_name);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900160 kfree(full_name);
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900161end:
162 return soc_component_ret(component, ret);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900163}
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900164
165int snd_soc_component_enable_pin(struct snd_soc_component *component,
166 const char *pin)
167{
168 return soc_component_pin(component, pin, snd_soc_dapm_enable_pin);
169}
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900170EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
171
172int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
173 const char *pin)
174{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900175 return soc_component_pin(component, pin, snd_soc_dapm_enable_pin_unlocked);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900176}
177EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
178
179int snd_soc_component_disable_pin(struct snd_soc_component *component,
180 const char *pin)
181{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900182 return soc_component_pin(component, pin, snd_soc_dapm_disable_pin);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900183}
184EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
185
186int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
187 const char *pin)
188{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900189 return soc_component_pin(component, pin, snd_soc_dapm_disable_pin_unlocked);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900190}
191EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
192
193int snd_soc_component_nc_pin(struct snd_soc_component *component,
194 const char *pin)
195{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900196 return soc_component_pin(component, pin, snd_soc_dapm_nc_pin);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900197}
198EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
199
200int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
201 const char *pin)
202{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900203 return soc_component_pin(component, pin, snd_soc_dapm_nc_pin_unlocked);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900204}
205EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
206
207int snd_soc_component_get_pin_status(struct snd_soc_component *component,
208 const char *pin)
209{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900210 return soc_component_pin(component, pin, snd_soc_dapm_get_pin_status);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900211}
212EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
213
214int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
215 const char *pin)
216{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900217 return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900218}
219EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
220
221int snd_soc_component_force_enable_pin_unlocked(
222 struct snd_soc_component *component,
223 const char *pin)
224{
Kuninori Morimoto4ca87012020-06-04 17:06:11 +0900225 return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin_unlocked);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900226}
227EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
228
229/**
230 * snd_soc_component_set_jack - configure component jack.
231 * @component: COMPONENTs
232 * @jack: structure to use for the jack
233 * @data: can be used if codec driver need extra data for configuring jack
234 *
235 * Configures and enables jack detection function.
236 */
237int snd_soc_component_set_jack(struct snd_soc_component *component,
238 struct snd_soc_jack *jack, void *data)
239{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900240 int ret = -ENOTSUPP;
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900241
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900242 if (component->driver->set_jack)
243 ret = component->driver->set_jack(component, jack, data);
244
245 return soc_component_ret(component, ret);
Kuninori Morimoto4ff1fef2019-07-26 13:49:48 +0900246}
247EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900248
249int snd_soc_component_module_get(struct snd_soc_component *component,
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900250 struct snd_pcm_substream *substream,
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900251 int upon_open)
252{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900253 int ret = 0;
254
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900255 if (component->driver->module_get_upon_open == !!upon_open &&
256 !try_module_get(component->dev->driver->owner))
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900257 ret = -ENODEV;
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900258
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900259 /* mark substream if succeeded */
260 if (ret == 0)
261 soc_component_mark_push(component, substream, module);
262
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900263 return soc_component_ret(component, ret);
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900264}
265
266void snd_soc_component_module_put(struct snd_soc_component *component,
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900267 struct snd_pcm_substream *substream,
268 int upon_open, int rollback)
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900269{
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900270 if (rollback && !soc_component_mark_match(component, substream, module))
271 return;
272
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900273 if (component->driver->module_get_upon_open == !!upon_open)
274 module_put(component->dev->driver->owner);
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900275
276 /* remove marked substream */
277 soc_component_mark_pop(component, substream, module);
Kuninori Morimoto4a81e8f2019-07-26 13:49:54 +0900278}
Kuninori Morimotoae2f4842019-07-26 13:50:01 +0900279
280int snd_soc_component_open(struct snd_soc_component *component,
281 struct snd_pcm_substream *substream)
282{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900283 int ret = 0;
284
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900285 if (component->driver->open)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900286 ret = component->driver->open(component, substream);
287
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900288 /* mark substream if succeeded */
289 if (ret == 0)
290 soc_component_mark_push(component, substream, open);
291
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900292 return soc_component_ret(component, ret);
Kuninori Morimotoae2f4842019-07-26 13:50:01 +0900293}
Kuninori Morimoto3672beb2019-07-26 13:50:07 +0900294
295int snd_soc_component_close(struct snd_soc_component *component,
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900296 struct snd_pcm_substream *substream,
297 int rollback)
Kuninori Morimoto3672beb2019-07-26 13:50:07 +0900298{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900299 int ret = 0;
300
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900301 if (rollback && !soc_component_mark_match(component, substream, open))
302 return 0;
303
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900304 if (component->driver->close)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900305 ret = component->driver->close(component, substream);
306
Kuninori Morimoto51aff912020-09-28 09:01:04 +0900307 /* remove marked substream */
308 soc_component_mark_pop(component, substream, open);
309
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900310 return soc_component_ret(component, ret);
Kuninori Morimoto3672beb2019-07-26 13:50:07 +0900311}
Kuninori Morimoto6d537232019-07-26 13:50:13 +0900312
Kuninori Morimoto66c51572019-07-26 13:50:34 +0900313void snd_soc_component_suspend(struct snd_soc_component *component)
314{
315 if (component->driver->suspend)
316 component->driver->suspend(component);
317 component->suspended = 1;
318}
Kuninori Morimoto9a840cb2019-07-26 13:51:08 +0900319
320void snd_soc_component_resume(struct snd_soc_component *component)
321{
322 if (component->driver->resume)
323 component->driver->resume(component);
324 component->suspended = 0;
325}
Kuninori Morimotoe40fadb2019-07-26 13:51:13 +0900326
327int snd_soc_component_is_suspended(struct snd_soc_component *component)
328{
329 return component->suspended;
330}
Kuninori Morimoto08e837d2019-07-26 13:51:17 +0900331
332int snd_soc_component_probe(struct snd_soc_component *component)
333{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900334 int ret = 0;
Kuninori Morimoto08e837d2019-07-26 13:51:17 +0900335
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900336 if (component->driver->probe)
337 ret = component->driver->probe(component);
338
339 return soc_component_ret(component, ret);
Kuninori Morimoto08e837d2019-07-26 13:51:17 +0900340}
Kuninori Morimoto03b34dd2019-07-26 13:51:22 +0900341
342void snd_soc_component_remove(struct snd_soc_component *component)
343{
344 if (component->driver->remove)
345 component->driver->remove(component);
346}
Kuninori Morimoto2c7b1702019-07-26 13:51:26 +0900347
348int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
349 struct device_node *ep)
350{
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900351 int ret = -ENOTSUPP;
Kuninori Morimoto2c7b1702019-07-26 13:51:26 +0900352
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900353 if (component->driver->of_xlate_dai_id)
354 ret = component->driver->of_xlate_dai_id(component, ep);
355
356 return soc_component_ret(component, ret);
Kuninori Morimoto2c7b1702019-07-26 13:51:26 +0900357}
Kuninori Morimotoa2a34172019-07-26 13:51:31 +0900358
359int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
360 struct of_phandle_args *args,
361 const char **dai_name)
362{
363 if (component->driver->of_xlate_dai_name)
Jerome Brunetcc4d8ce2020-07-23 16:20:20 +0200364 return component->driver->of_xlate_dai_name(component,
365 args, dai_name);
366 /*
367 * Don't use soc_component_ret here because we may not want to report
368 * the error just yet. If a device has more than one component, the
369 * first may not match and we don't want spam the log with this.
370 */
371 return -ENOTSUPP;
Kuninori Morimotoa2a34172019-07-26 13:51:31 +0900372}
Kuninori Morimoto0035e252019-07-26 13:51:47 +0900373
Kuninori Morimotoc7d75b52020-06-04 17:06:22 +0900374void snd_soc_component_setup_regmap(struct snd_soc_component *component)
375{
376 int val_bytes = regmap_get_val_bytes(component->regmap);
377
378 /* Errors are legitimate for non-integer byte multiples */
379 if (val_bytes > 0)
380 component->val_bytes = val_bytes;
381}
382
383#ifdef CONFIG_REGMAP
384
385/**
386 * snd_soc_component_init_regmap() - Initialize regmap instance for the
387 * component
388 * @component: The component for which to initialize the regmap instance
389 * @regmap: The regmap instance that should be used by the component
390 *
391 * This function allows deferred assignment of the regmap instance that is
392 * associated with the component. Only use this if the regmap instance is not
393 * yet ready when the component is registered. The function must also be called
394 * before the first IO attempt of the component.
395 */
396void snd_soc_component_init_regmap(struct snd_soc_component *component,
397 struct regmap *regmap)
398{
399 component->regmap = regmap;
400 snd_soc_component_setup_regmap(component);
401}
402EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
403
404/**
405 * snd_soc_component_exit_regmap() - De-initialize regmap instance for the
406 * component
407 * @component: The component for which to de-initialize the regmap instance
408 *
409 * Calls regmap_exit() on the regmap instance associated to the component and
410 * removes the regmap instance from the component.
411 *
412 * This function should only be used if snd_soc_component_init_regmap() was used
413 * to initialize the regmap instance.
414 */
415void snd_soc_component_exit_regmap(struct snd_soc_component *component)
416{
417 regmap_exit(component->regmap);
418 component->regmap = NULL;
419}
420EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
421
422#endif
423
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900424static unsigned int soc_component_read_no_lock(
425 struct snd_soc_component *component,
426 unsigned int reg)
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900427{
428 int ret;
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900429 unsigned int val = 0;
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900430
431 if (component->regmap)
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900432 ret = regmap_read(component->regmap, reg, &val);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900433 else if (component->driver->read) {
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900434 ret = 0;
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900435 val = component->driver->read(component, reg);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900436 }
437 else
438 ret = -EIO;
439
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900440 if (ret < 0)
Takashi Iwaiefc913c2020-08-10 15:46:31 +0200441 return soc_component_ret(component, ret);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900442
443 return val;
444}
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900445
446/**
447 * snd_soc_component_read() - Read register value
448 * @component: Component to read from
449 * @reg: Register to read
450 *
451 * Return: read value
452 */
453unsigned int snd_soc_component_read(struct snd_soc_component *component,
454 unsigned int reg)
455{
456 unsigned int val;
457
458 mutex_lock(&component->io_mutex);
459 val = soc_component_read_no_lock(component, reg);
460 mutex_unlock(&component->io_mutex);
461
462 return val;
463}
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900464EXPORT_SYMBOL_GPL(snd_soc_component_read);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900465
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900466static int soc_component_write_no_lock(
467 struct snd_soc_component *component,
468 unsigned int reg, unsigned int val)
469{
470 int ret = -EIO;
471
472 if (component->regmap)
473 ret = regmap_write(component->regmap, reg, val);
474 else if (component->driver->write)
475 ret = component->driver->write(component, reg, val);
476
477 return soc_component_ret(component, ret);
478}
479
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900480/**
481 * snd_soc_component_write() - Write register value
482 * @component: Component to write to
483 * @reg: Register to write
484 * @val: Value to write to the register
485 *
486 * Return: 0 on success, a negative error code otherwise.
487 */
488int snd_soc_component_write(struct snd_soc_component *component,
489 unsigned int reg, unsigned int val)
490{
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900491 int ret;
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900492
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900493 mutex_lock(&component->io_mutex);
494 ret = soc_component_write_no_lock(component, reg, val);
495 mutex_unlock(&component->io_mutex);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900496
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900497 return ret;
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900498}
499EXPORT_SYMBOL_GPL(snd_soc_component_write);
500
501static int snd_soc_component_update_bits_legacy(
502 struct snd_soc_component *component, unsigned int reg,
503 unsigned int mask, unsigned int val, bool *change)
504{
505 unsigned int old, new;
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900506 int ret = 0;
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900507
508 mutex_lock(&component->io_mutex);
509
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900510 old = soc_component_read_no_lock(component, reg);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900511
512 new = (old & ~mask) | (val & mask);
513 *change = old != new;
514 if (*change)
Kuninori Morimotoe8712312020-06-16 14:19:52 +0900515 ret = soc_component_write_no_lock(component, reg, new);
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900516
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900517 mutex_unlock(&component->io_mutex);
518
519 return soc_component_ret(component, ret);
520}
521
522/**
523 * snd_soc_component_update_bits() - Perform read/modify/write cycle
524 * @component: Component to update
525 * @reg: Register to update
526 * @mask: Mask that specifies which bits to update
527 * @val: New value for the bits specified by mask
528 *
529 * Return: 1 if the operation was successful and the value of the register
530 * changed, 0 if the operation was successful, but the value did not change.
531 * Returns a negative error code otherwise.
532 */
533int snd_soc_component_update_bits(struct snd_soc_component *component,
534 unsigned int reg, unsigned int mask, unsigned int val)
535{
536 bool change;
537 int ret;
538
539 if (component->regmap)
540 ret = regmap_update_bits_check(component->regmap, reg, mask,
541 val, &change);
542 else
543 ret = snd_soc_component_update_bits_legacy(component, reg,
544 mask, val, &change);
545
546 if (ret < 0)
547 return soc_component_ret(component, ret);
548 return change;
549}
550EXPORT_SYMBOL_GPL(snd_soc_component_update_bits);
551
552/**
553 * snd_soc_component_update_bits_async() - Perform asynchronous
554 * read/modify/write cycle
555 * @component: Component to update
556 * @reg: Register to update
557 * @mask: Mask that specifies which bits to update
558 * @val: New value for the bits specified by mask
559 *
560 * This function is similar to snd_soc_component_update_bits(), but the update
561 * operation is scheduled asynchronously. This means it may not be completed
562 * when the function returns. To make sure that all scheduled updates have been
563 * completed snd_soc_component_async_complete() must be called.
564 *
565 * Return: 1 if the operation was successful and the value of the register
566 * changed, 0 if the operation was successful, but the value did not change.
567 * Returns a negative error code otherwise.
568 */
569int snd_soc_component_update_bits_async(struct snd_soc_component *component,
570 unsigned int reg, unsigned int mask, unsigned int val)
571{
572 bool change;
573 int ret;
574
575 if (component->regmap)
576 ret = regmap_update_bits_check_async(component->regmap, reg,
577 mask, val, &change);
578 else
579 ret = snd_soc_component_update_bits_legacy(component, reg,
580 mask, val, &change);
581
582 if (ret < 0)
583 return soc_component_ret(component, ret);
584 return change;
585}
586EXPORT_SYMBOL_GPL(snd_soc_component_update_bits_async);
587
588/**
589 * snd_soc_component_async_complete() - Ensure asynchronous I/O has completed
590 * @component: Component for which to wait
591 *
592 * This function blocks until all asynchronous I/O which has previously been
593 * scheduled using snd_soc_component_update_bits_async() has completed.
594 */
595void snd_soc_component_async_complete(struct snd_soc_component *component)
596{
597 if (component->regmap)
598 regmap_async_complete(component->regmap);
599}
600EXPORT_SYMBOL_GPL(snd_soc_component_async_complete);
601
602/**
603 * snd_soc_component_test_bits - Test register for change
604 * @component: component
605 * @reg: Register to test
606 * @mask: Mask that specifies which bits to test
607 * @value: Value to test against
608 *
609 * Tests a register with a new value and checks if the new value is
610 * different from the old value.
611 *
612 * Return: 1 for change, otherwise 0.
613 */
614int snd_soc_component_test_bits(struct snd_soc_component *component,
615 unsigned int reg, unsigned int mask, unsigned int value)
616{
617 unsigned int old, new;
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900618
Kuninori Morimotocf6e26c2020-06-16 14:19:41 +0900619 old = snd_soc_component_read(component, reg);
Kuninori Morimoto460b42d2020-06-04 17:08:03 +0900620 new = (old & ~mask) | value;
621 return old != new;
622}
623EXPORT_SYMBOL_GPL(snd_soc_component_test_bits);
624
Kuninori Morimoto0035e252019-07-26 13:51:47 +0900625int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
626{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900627 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto0035e252019-07-26 13:51:47 +0900628 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900629 int i;
Kuninori Morimoto0035e252019-07-26 13:51:47 +0900630
Kuninori Morimoto2b544dd2019-10-15 12:59:31 +0900631 /* FIXME: use 1st pointer */
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900632 for_each_rtd_components(rtd, i, component)
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900633 if (component->driver->pointer)
634 return component->driver->pointer(component, substream);
Kuninori Morimoto0035e252019-07-26 13:51:47 +0900635
636 return 0;
637}
Kuninori Morimoto96a47902019-07-26 13:51:51 +0900638
639int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
640 unsigned int cmd, void *arg)
641{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900642 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto96a47902019-07-26 13:51:51 +0900643 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900644 int i;
Kuninori Morimoto96a47902019-07-26 13:51:51 +0900645
Kuninori Morimoto2b544dd2019-10-15 12:59:31 +0900646 /* FIXME: use 1st ioctl */
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900647 for_each_rtd_components(rtd, i, component)
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900648 if (component->driver->ioctl)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900649 return soc_component_ret(
650 component,
651 component->driver->ioctl(component,
652 substream, cmd, arg));
Kuninori Morimoto96a47902019-07-26 13:51:51 +0900653
654 return snd_pcm_lib_ioctl(substream, cmd, arg);
655}
Kuninori Morimoto82d81f52019-07-26 13:51:56 +0900656
Takashi Iwai1e5ddb62019-11-21 20:07:09 +0100657int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
658{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900659 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Takashi Iwai1e5ddb62019-11-21 20:07:09 +0100660 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900661 int i, ret;
Takashi Iwai1e5ddb62019-11-21 20:07:09 +0100662
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900663 for_each_rtd_components(rtd, i, component) {
Kuninori Morimotof1861a72020-02-28 10:48:35 +0900664 if (component->driver->sync_stop) {
Takashi Iwai1e5ddb62019-11-21 20:07:09 +0100665 ret = component->driver->sync_stop(component,
666 substream);
667 if (ret < 0)
Shengjiu Wangbe75db52020-07-16 13:07:08 +0800668 return soc_component_ret(component, ret);
Takashi Iwai1e5ddb62019-11-21 20:07:09 +0100669 }
670 }
671
672 return 0;
673}
674
Kuninori Morimoto82d81f52019-07-26 13:51:56 +0900675int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
676 int channel, unsigned long pos,
677 void __user *buf, unsigned long bytes)
678{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900679 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto82d81f52019-07-26 13:51:56 +0900680 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900681 int i;
Kuninori Morimoto82d81f52019-07-26 13:51:56 +0900682
Kuninori Morimoto2b544dd2019-10-15 12:59:31 +0900683 /* FIXME. it returns 1st copy now */
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900684 for_each_rtd_components(rtd, i, component)
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900685 if (component->driver->copy_user)
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900686 return soc_component_ret(
687 component,
688 component->driver->copy_user(
689 component, substream, channel,
690 pos, buf, bytes));
Kuninori Morimoto82d81f52019-07-26 13:51:56 +0900691
692 return -EINVAL;
693}
Kuninori Morimoto9c712e42019-07-26 13:52:00 +0900694
695struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
696 unsigned long offset)
697{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900698 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto9c712e42019-07-26 13:52:00 +0900699 struct snd_soc_component *component;
700 struct page *page;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900701 int i;
Kuninori Morimoto9c712e42019-07-26 13:52:00 +0900702
Kuninori Morimoto2b544dd2019-10-15 12:59:31 +0900703 /* FIXME. it returns 1st page now */
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900704 for_each_rtd_components(rtd, i, component) {
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900705 if (component->driver->page) {
706 page = component->driver->page(component,
707 substream, offset);
708 if (page)
709 return page;
710 }
Kuninori Morimoto9c712e42019-07-26 13:52:00 +0900711 }
712
713 return NULL;
714}
Kuninori Morimoto205875e2019-07-26 13:52:04 +0900715
716int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
717 struct vm_area_struct *vma)
718{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900719 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto205875e2019-07-26 13:52:04 +0900720 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900721 int i;
Kuninori Morimoto205875e2019-07-26 13:52:04 +0900722
Kuninori Morimoto2b544dd2019-10-15 12:59:31 +0900723 /* FIXME. it returns 1st mmap now */
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900724 for_each_rtd_components(rtd, i, component)
Kuninori Morimotoe2cb4a12019-10-02 14:30:48 +0900725 if (component->driver->mmap)
Shengjiu Wangbe75db52020-07-16 13:07:08 +0800726 return soc_component_ret(
Kuninori Morimotoe2329ee2020-06-04 17:06:41 +0900727 component,
728 component->driver->mmap(component,
729 substream, vma));
Kuninori Morimoto205875e2019-07-26 13:52:04 +0900730
731 return -EINVAL;
732}
Kuninori Morimoto74842912019-07-26 13:52:08 +0900733
Kuninori Morimotob2b2afb2019-11-18 10:50:32 +0900734int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd)
Kuninori Morimoto74842912019-07-26 13:52:08 +0900735{
Kuninori Morimoto74842912019-07-26 13:52:08 +0900736 struct snd_soc_component *component;
737 int ret;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900738 int i;
Kuninori Morimoto74842912019-07-26 13:52:08 +0900739
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900740 for_each_rtd_components(rtd, i, component) {
Kuninori Morimotoc64bfc92019-10-02 14:30:59 +0900741 if (component->driver->pcm_construct) {
742 ret = component->driver->pcm_construct(component, rtd);
743 if (ret < 0)
Shengjiu Wangbe75db52020-07-16 13:07:08 +0800744 return soc_component_ret(component, ret);
Kuninori Morimotoc64bfc92019-10-02 14:30:59 +0900745 }
Kuninori Morimoto74842912019-07-26 13:52:08 +0900746 }
747
748 return 0;
749}
Kuninori Morimoto79776da2019-07-26 13:52:12 +0900750
Kuninori Morimotob2b2afb2019-11-18 10:50:32 +0900751void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd)
Kuninori Morimoto79776da2019-07-26 13:52:12 +0900752{
Kuninori Morimoto79776da2019-07-26 13:52:12 +0900753 struct snd_soc_component *component;
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900754 int i;
Kuninori Morimoto79776da2019-07-26 13:52:12 +0900755
Takashi Iwai8e3366c2020-01-07 08:09:56 +0100756 if (!rtd->pcm)
757 return;
758
Kuninori Morimoto613fb502020-01-10 11:35:21 +0900759 for_each_rtd_components(rtd, i, component)
Kuninori Morimotoc64bfc92019-10-02 14:30:59 +0900760 if (component->driver->pcm_destruct)
Kuninori Morimotob2b2afb2019-11-18 10:50:32 +0900761 component->driver->pcm_destruct(component, rtd->pcm);
Kuninori Morimoto79776da2019-07-26 13:52:12 +0900762}
Kuninori Morimoto4f395142020-06-04 17:06:58 +0900763
764int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream)
765{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900766 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto4f395142020-06-04 17:06:58 +0900767 struct snd_soc_component *component;
768 int i, ret;
769
770 for_each_rtd_components(rtd, i, component) {
771 if (component->driver->prepare) {
772 ret = component->driver->prepare(component, substream);
773 if (ret < 0)
774 return soc_component_ret(component, ret);
775 }
776 }
777
778 return 0;
779}
Kuninori Morimotoe1bafa82020-06-04 17:07:11 +0900780
781int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
782 struct snd_pcm_hw_params *params,
783 struct snd_soc_component **last)
784{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900785 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimotoe1bafa82020-06-04 17:07:11 +0900786 struct snd_soc_component *component;
787 int i, ret;
788
789 for_each_rtd_components(rtd, i, component) {
790 if (component->driver->hw_params) {
791 ret = component->driver->hw_params(component,
792 substream, params);
793 if (ret < 0) {
794 *last = component;
795 return soc_component_ret(component, ret);
796 }
797 }
798 }
799
800 *last = NULL;
801 return 0;
802}
Kuninori Morimoto04751112020-06-04 17:07:24 +0900803
804void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
805 struct snd_soc_component *last)
806{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900807 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto04751112020-06-04 17:07:24 +0900808 struct snd_soc_component *component;
809 int i, ret;
810
811 for_each_rtd_components(rtd, i, component) {
812 if (component == last)
813 break;
814
815 if (component->driver->hw_free) {
816 ret = component->driver->hw_free(component, substream);
817 if (ret < 0)
818 soc_component_ret(component, ret);
819 }
820 }
821}
Kuninori Morimoto32fd1202020-06-04 17:07:40 +0900822
823int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
824 int cmd)
825{
Kuninori Morimoto0ceef682020-07-20 10:17:39 +0900826 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
Kuninori Morimoto32fd1202020-06-04 17:07:40 +0900827 struct snd_soc_component *component;
828 int i, ret;
829
830 for_each_rtd_components(rtd, i, component) {
831 if (component->driver->trigger) {
832 ret = component->driver->trigger(component, substream, cmd);
833 if (ret < 0)
834 return soc_component_ret(component, ret);
835 }
836 }
837
838 return 0;
839}
Kuninori Morimoto939a5cf2020-09-28 09:01:17 +0900840
841int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
842 void *stream)
843{
844 struct snd_soc_component *component;
845 int i, ret;
846
847 for_each_rtd_components(rtd, i, component) {
848 ret = pm_runtime_get_sync(component->dev);
849 if (ret < 0 && ret != -EACCES) {
850 pm_runtime_put_noidle(component->dev);
851 return soc_component_ret(component, ret);
852 }
853 /* mark stream if succeeded */
854 soc_component_mark_push(component, stream, pm);
855 }
856
857 return 0;
858}
859
860void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
861 void *stream, int rollback)
862{
863 struct snd_soc_component *component;
864 int i;
865
866 for_each_rtd_components(rtd, i, component) {
867 if (rollback && !soc_component_mark_match(component, stream, pm))
868 continue;
869
870 pm_runtime_mark_last_busy(component->dev);
871 pm_runtime_put_autosuspend(component->dev);
872
873 /* remove marked stream */
874 soc_component_mark_pop(component, stream, pm);
875 }
876}