Linux Audio

Check our new training course

Loading...
Note: File does not exist in v3.5.6.
  1// SPDX-License-Identifier: GPL-2.0
  2//
  3// soc-component.c
  4//
  5// Copyright (C) 2019 Renesas Electronics Corp.
  6// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  7//
  8#include <linux/module.h>
  9#include <sound/soc.h>
 10
 11/**
 12 * snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
 13 * @component: COMPONENT
 14 * @clk_id: DAI specific clock ID
 15 * @source: Source for the clock
 16 * @freq: new clock frequency in Hz
 17 * @dir: new clock direction - input/output.
 18 *
 19 * Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
 20 */
 21int snd_soc_component_set_sysclk(struct snd_soc_component *component,
 22				 int clk_id, int source, unsigned int freq,
 23				 int dir)
 24{
 25	if (component->driver->set_sysclk)
 26		return component->driver->set_sysclk(component, clk_id, source,
 27						     freq, dir);
 28
 29	return -ENOTSUPP;
 30}
 31EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
 32
 33/*
 34 * snd_soc_component_set_pll - configure component PLL.
 35 * @component: COMPONENT
 36 * @pll_id: DAI specific PLL ID
 37 * @source: DAI specific source for the PLL
 38 * @freq_in: PLL input clock frequency in Hz
 39 * @freq_out: requested PLL output clock frequency in Hz
 40 *
 41 * Configures and enables PLL to generate output clock based on input clock.
 42 */
 43int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
 44			      int source, unsigned int freq_in,
 45			      unsigned int freq_out)
 46{
 47	if (component->driver->set_pll)
 48		return component->driver->set_pll(component, pll_id, source,
 49						  freq_in, freq_out);
 50
 51	return -EINVAL;
 52}
 53EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
 54
 55void snd_soc_component_seq_notifier(struct snd_soc_component *component,
 56				    enum snd_soc_dapm_type type, int subseq)
 57{
 58	if (component->driver->seq_notifier)
 59		component->driver->seq_notifier(component, type, subseq);
 60}
 61
 62int snd_soc_component_stream_event(struct snd_soc_component *component,
 63				   int event)
 64{
 65	if (component->driver->stream_event)
 66		return component->driver->stream_event(component, event);
 67
 68	return 0;
 69}
 70
 71int snd_soc_component_set_bias_level(struct snd_soc_component *component,
 72				     enum snd_soc_bias_level level)
 73{
 74	if (component->driver->set_bias_level)
 75		return component->driver->set_bias_level(component, level);
 76
 77	return 0;
 78}
 79
 80int snd_soc_component_enable_pin(struct snd_soc_component *component,
 81				 const char *pin)
 82{
 83	struct snd_soc_dapm_context *dapm =
 84		snd_soc_component_get_dapm(component);
 85	char *full_name;
 86	int ret;
 87
 88	if (!component->name_prefix)
 89		return snd_soc_dapm_enable_pin(dapm, pin);
 90
 91	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
 92	if (!full_name)
 93		return -ENOMEM;
 94
 95	ret = snd_soc_dapm_enable_pin(dapm, full_name);
 96	kfree(full_name);
 97
 98	return ret;
 99}
100EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
101
102int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
103					  const char *pin)
104{
105	struct snd_soc_dapm_context *dapm =
106		snd_soc_component_get_dapm(component);
107	char *full_name;
108	int ret;
109
110	if (!component->name_prefix)
111		return snd_soc_dapm_enable_pin_unlocked(dapm, pin);
112
113	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
114	if (!full_name)
115		return -ENOMEM;
116
117	ret = snd_soc_dapm_enable_pin_unlocked(dapm, full_name);
118	kfree(full_name);
119
120	return ret;
121}
122EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
123
124int snd_soc_component_disable_pin(struct snd_soc_component *component,
125				  const char *pin)
126{
127	struct snd_soc_dapm_context *dapm =
128		snd_soc_component_get_dapm(component);
129	char *full_name;
130	int ret;
131
132	if (!component->name_prefix)
133		return snd_soc_dapm_disable_pin(dapm, pin);
134
135	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
136	if (!full_name)
137		return -ENOMEM;
138
139	ret = snd_soc_dapm_disable_pin(dapm, full_name);
140	kfree(full_name);
141
142	return ret;
143}
144EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
145
146int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
147					   const char *pin)
148{
149	struct snd_soc_dapm_context *dapm =
150		snd_soc_component_get_dapm(component);
151	char *full_name;
152	int ret;
153
154	if (!component->name_prefix)
155		return snd_soc_dapm_disable_pin_unlocked(dapm, pin);
156
157	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
158	if (!full_name)
159		return -ENOMEM;
160
161	ret = snd_soc_dapm_disable_pin_unlocked(dapm, full_name);
162	kfree(full_name);
163
164	return ret;
165}
166EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
167
168int snd_soc_component_nc_pin(struct snd_soc_component *component,
169			     const char *pin)
170{
171	struct snd_soc_dapm_context *dapm =
172		snd_soc_component_get_dapm(component);
173	char *full_name;
174	int ret;
175
176	if (!component->name_prefix)
177		return snd_soc_dapm_nc_pin(dapm, pin);
178
179	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
180	if (!full_name)
181		return -ENOMEM;
182
183	ret = snd_soc_dapm_nc_pin(dapm, full_name);
184	kfree(full_name);
185
186	return ret;
187}
188EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
189
190int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
191				      const char *pin)
192{
193	struct snd_soc_dapm_context *dapm =
194		snd_soc_component_get_dapm(component);
195	char *full_name;
196	int ret;
197
198	if (!component->name_prefix)
199		return snd_soc_dapm_nc_pin_unlocked(dapm, pin);
200
201	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
202	if (!full_name)
203		return -ENOMEM;
204
205	ret = snd_soc_dapm_nc_pin_unlocked(dapm, full_name);
206	kfree(full_name);
207
208	return ret;
209}
210EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
211
212int snd_soc_component_get_pin_status(struct snd_soc_component *component,
213				     const char *pin)
214{
215	struct snd_soc_dapm_context *dapm =
216		snd_soc_component_get_dapm(component);
217	char *full_name;
218	int ret;
219
220	if (!component->name_prefix)
221		return snd_soc_dapm_get_pin_status(dapm, pin);
222
223	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
224	if (!full_name)
225		return -ENOMEM;
226
227	ret = snd_soc_dapm_get_pin_status(dapm, full_name);
228	kfree(full_name);
229
230	return ret;
231}
232EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
233
234int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
235				       const char *pin)
236{
237	struct snd_soc_dapm_context *dapm =
238		snd_soc_component_get_dapm(component);
239	char *full_name;
240	int ret;
241
242	if (!component->name_prefix)
243		return snd_soc_dapm_force_enable_pin(dapm, pin);
244
245	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
246	if (!full_name)
247		return -ENOMEM;
248
249	ret = snd_soc_dapm_force_enable_pin(dapm, full_name);
250	kfree(full_name);
251
252	return ret;
253}
254EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
255
256int snd_soc_component_force_enable_pin_unlocked(
257	struct snd_soc_component *component,
258	const char *pin)
259{
260	struct snd_soc_dapm_context *dapm =
261		snd_soc_component_get_dapm(component);
262	char *full_name;
263	int ret;
264
265	if (!component->name_prefix)
266		return snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
267
268	full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
269	if (!full_name)
270		return -ENOMEM;
271
272	ret = snd_soc_dapm_force_enable_pin_unlocked(dapm, full_name);
273	kfree(full_name);
274
275	return ret;
276}
277EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
278
279/**
280 * snd_soc_component_set_jack - configure component jack.
281 * @component: COMPONENTs
282 * @jack: structure to use for the jack
283 * @data: can be used if codec driver need extra data for configuring jack
284 *
285 * Configures and enables jack detection function.
286 */
287int snd_soc_component_set_jack(struct snd_soc_component *component,
288			       struct snd_soc_jack *jack, void *data)
289{
290	if (component->driver->set_jack)
291		return component->driver->set_jack(component, jack, data);
292
293	return -ENOTSUPP;
294}
295EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
296
297int snd_soc_component_module_get(struct snd_soc_component *component,
298				 int upon_open)
299{
300	if (component->driver->module_get_upon_open == !!upon_open &&
301	    !try_module_get(component->dev->driver->owner))
302		return -ENODEV;
303
304	return 0;
305}
306
307void snd_soc_component_module_put(struct snd_soc_component *component,
308				  int upon_open)
309{
310	if (component->driver->module_get_upon_open == !!upon_open)
311		module_put(component->dev->driver->owner);
312}
313
314int snd_soc_component_open(struct snd_soc_component *component,
315			   struct snd_pcm_substream *substream)
316{
317	if (component->driver->ops &&
318	    component->driver->ops->open)
319		return component->driver->ops->open(substream);
320
321	return 0;
322}
323
324int snd_soc_component_close(struct snd_soc_component *component,
325			    struct snd_pcm_substream *substream)
326{
327	if (component->driver->ops &&
328	    component->driver->ops->close)
329		return component->driver->ops->close(substream);
330
331	return 0;
332}
333
334int snd_soc_component_prepare(struct snd_soc_component *component,
335			      struct snd_pcm_substream *substream)
336{
337	if (component->driver->ops &&
338	    component->driver->ops->prepare)
339		return component->driver->ops->prepare(substream);
340
341	return 0;
342}
343
344int snd_soc_component_hw_params(struct snd_soc_component *component,
345				struct snd_pcm_substream *substream,
346				struct snd_pcm_hw_params *params)
347{
348	if (component->driver->ops &&
349	    component->driver->ops->hw_params)
350		return component->driver->ops->hw_params(substream, params);
351
352	return 0;
353}
354
355int snd_soc_component_hw_free(struct snd_soc_component *component,
356			       struct snd_pcm_substream *substream)
357{
358	if (component->driver->ops &&
359	    component->driver->ops->hw_free)
360		return component->driver->ops->hw_free(substream);
361
362	return 0;
363}
364
365int snd_soc_component_trigger(struct snd_soc_component *component,
366			      struct snd_pcm_substream *substream,
367			      int cmd)
368{
369	if (component->driver->ops &&
370	    component->driver->ops->trigger)
371		return component->driver->ops->trigger(substream, cmd);
372
373	return 0;
374}
375
376void snd_soc_component_suspend(struct snd_soc_component *component)
377{
378	if (component->driver->suspend)
379		component->driver->suspend(component);
380	component->suspended = 1;
381}
382
383void snd_soc_component_resume(struct snd_soc_component *component)
384{
385	if (component->driver->resume)
386		component->driver->resume(component);
387	component->suspended = 0;
388}
389
390int snd_soc_component_is_suspended(struct snd_soc_component *component)
391{
392	return component->suspended;
393}
394
395int snd_soc_component_probe(struct snd_soc_component *component)
396{
397	if (component->driver->probe)
398		return component->driver->probe(component);
399
400	return 0;
401}
402
403void snd_soc_component_remove(struct snd_soc_component *component)
404{
405	if (component->driver->remove)
406		component->driver->remove(component);
407}
408
409int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
410				      struct device_node *ep)
411{
412	if (component->driver->of_xlate_dai_id)
413		return component->driver->of_xlate_dai_id(component, ep);
414
415	return -ENOTSUPP;
416}
417
418int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
419					struct of_phandle_args *args,
420					const char **dai_name)
421{
422	if (component->driver->of_xlate_dai_name)
423		return component->driver->of_xlate_dai_name(component,
424						     args, dai_name);
425	return -ENOTSUPP;
426}
427
428int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
429{
430	struct snd_soc_pcm_runtime *rtd = substream->private_data;
431	struct snd_soc_component *component;
432	struct snd_soc_rtdcom_list *rtdcom;
433
434	for_each_rtdcom(rtd, rtdcom) {
435		component = rtdcom->component;
436
437		/* FIXME: use 1st pointer */
438		if (component->driver->ops &&
439		    component->driver->ops->pointer)
440			return component->driver->ops->pointer(substream);
441	}
442
443	return 0;
444}
445
446int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
447				unsigned int cmd, void *arg)
448{
449	struct snd_soc_pcm_runtime *rtd = substream->private_data;
450	struct snd_soc_component *component;
451	struct snd_soc_rtdcom_list *rtdcom;
452
453	for_each_rtdcom(rtd, rtdcom) {
454		component = rtdcom->component;
455
456		/* FIXME: use 1st ioctl */
457		if (component->driver->ops &&
458		    component->driver->ops->ioctl)
459			return component->driver->ops->ioctl(substream,
460							     cmd, arg);
461	}
462
463	return snd_pcm_lib_ioctl(substream, cmd, arg);
464}
465
466int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
467				    int channel, unsigned long pos,
468				    void __user *buf, unsigned long bytes)
469{
470	struct snd_soc_pcm_runtime *rtd = substream->private_data;
471	struct snd_soc_rtdcom_list *rtdcom;
472	struct snd_soc_component *component;
473
474	for_each_rtdcom(rtd, rtdcom) {
475		component = rtdcom->component;
476
477		/* FIXME. it returns 1st copy now */
478		if (component->driver->ops &&
479		    component->driver->ops->copy_user)
480			return component->driver->ops->copy_user(
481				substream, channel, pos, buf, bytes);
482	}
483
484	return -EINVAL;
485}
486
487struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
488					unsigned long offset)
489{
490	struct snd_soc_pcm_runtime *rtd = substream->private_data;
491	struct snd_soc_rtdcom_list *rtdcom;
492	struct snd_soc_component *component;
493	struct page *page;
494
495	for_each_rtdcom(rtd, rtdcom) {
496		component = rtdcom->component;
497
498		/* FIXME. it returns 1st page now */
499		if (component->driver->ops &&
500		    component->driver->ops->page) {
501			page = component->driver->ops->page(substream, offset);
502			if (page)
503				return page;
504		}
505	}
506
507	return NULL;
508}
509
510int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
511			       struct vm_area_struct *vma)
512{
513	struct snd_soc_pcm_runtime *rtd = substream->private_data;
514	struct snd_soc_rtdcom_list *rtdcom;
515	struct snd_soc_component *component;
516
517	for_each_rtdcom(rtd, rtdcom) {
518		component = rtdcom->component;
519
520		/* FIXME. it returns 1st mmap now */
521		if (component->driver->ops &&
522		    component->driver->ops->mmap)
523			return component->driver->ops->mmap(substream, vma);
524	}
525
526	return -EINVAL;
527}
528
529int snd_soc_pcm_component_new(struct snd_pcm *pcm)
530{
531	struct snd_soc_pcm_runtime *rtd = pcm->private_data;
532	struct snd_soc_rtdcom_list *rtdcom;
533	struct snd_soc_component *component;
534	int ret;
535
536	for_each_rtdcom(rtd, rtdcom) {
537		component = rtdcom->component;
538
539		if (component->driver->pcm_new) {
540			ret = component->driver->pcm_new(rtd);
541			if (ret < 0)
542				return ret;
543		}
544	}
545
546	return 0;
547}
548
549void snd_soc_pcm_component_free(struct snd_pcm *pcm)
550{
551	struct snd_soc_pcm_runtime *rtd = pcm->private_data;
552	struct snd_soc_rtdcom_list *rtdcom;
553	struct snd_soc_component *component;
554
555	for_each_rtdcom(rtd, rtdcom) {
556		component = rtdcom->component;
557
558		if (component->driver->pcm_free)
559			component->driver->pcm_free(pcm);
560	}
561}