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// SPDX-License-Identifier: GPL-2.0
//
// soc-component.c
//
// Copyright (C) 2019 Renesas Electronics Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
//
#include <linux/module.h>
#include <sound/soc.h>
int snd_soc_component_initialize(struct snd_soc_component *component,
const struct snd_soc_component_driver *driver,
struct device *dev, const char *name)
{
INIT_LIST_HEAD(&component->dai_list);
INIT_LIST_HEAD(&component->dobj_list);
INIT_LIST_HEAD(&component->card_list);
mutex_init(&component->io_mutex);
component->name = name;
component->dev = dev;
component->driver = driver;
return 0;
}
/**
* snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
* @component: COMPONENT
* @clk_id: DAI specific clock ID
* @source: Source for the clock
* @freq: new clock frequency in Hz
* @dir: new clock direction - input/output.
*
* Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
*/
int snd_soc_component_set_sysclk(struct snd_soc_component *component,
int clk_id, int source, unsigned int freq,
int dir)
{
if (component->driver->set_sysclk)
return component->driver->set_sysclk(component, clk_id, source,
freq, dir);
return -ENOTSUPP;
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
/*
* snd_soc_component_set_pll - configure component PLL.
* @component: COMPONENT
* @pll_id: DAI specific PLL ID
* @source: DAI specific source for the PLL
* @freq_in: PLL input clock frequency in Hz
* @freq_out: requested PLL output clock frequency in Hz
*
* Configures and enables PLL to generate output clock based on input clock.
*/
int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
int source, unsigned int freq_in,
unsigned int freq_out)
{
if (component->driver->set_pll)
return component->driver->set_pll(component, pll_id, source,
freq_in, freq_out);
return -EINVAL;
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
void snd_soc_component_seq_notifier(struct snd_soc_component *component,
enum snd_soc_dapm_type type, int subseq)
{
if (component->driver->seq_notifier)
component->driver->seq_notifier(component, type, subseq);
}
int snd_soc_component_stream_event(struct snd_soc_component *component,
int event)
{
if (component->driver->stream_event)
return component->driver->stream_event(component, event);
return 0;
}
int snd_soc_component_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
if (component->driver->set_bias_level)
return component->driver->set_bias_level(component, level);
return 0;
}
static int soc_component_pin(struct snd_soc_component *component,
const char *pin,
int (*pin_func)(struct snd_soc_dapm_context *dapm,
const char *pin))
{
struct snd_soc_dapm_context *dapm =
snd_soc_component_get_dapm(component);
char *full_name;
int ret;
if (!component->name_prefix)
return pin_func(dapm, pin);
full_name = kasprintf(GFP_KERNEL, "%s %s", component->name_prefix, pin);
if (!full_name)
return -ENOMEM;
ret = pin_func(dapm, full_name);
kfree(full_name);
return ret;
}
int snd_soc_component_enable_pin(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_enable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_enable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
int snd_soc_component_disable_pin(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_disable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_disable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
int snd_soc_component_nc_pin(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_nc_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_nc_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
int snd_soc_component_get_pin_status(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_get_pin_status);
}
EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin);
}
EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
int snd_soc_component_force_enable_pin_unlocked(
struct snd_soc_component *component,
const char *pin)
{
return soc_component_pin(component, pin, snd_soc_dapm_force_enable_pin_unlocked);
}
EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
/**
* snd_soc_component_set_jack - configure component jack.
* @component: COMPONENTs
* @jack: structure to use for the jack
* @data: can be used if codec driver need extra data for configuring jack
*
* Configures and enables jack detection function.
*/
int snd_soc_component_set_jack(struct snd_soc_component *component,
struct snd_soc_jack *jack, void *data)
{
if (component->driver->set_jack)
return component->driver->set_jack(component, jack, data);
return -ENOTSUPP;
}
EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
int snd_soc_component_module_get(struct snd_soc_component *component,
int upon_open)
{
if (component->driver->module_get_upon_open == !!upon_open &&
!try_module_get(component->dev->driver->owner))
return -ENODEV;
return 0;
}
void snd_soc_component_module_put(struct snd_soc_component *component,
int upon_open)
{
if (component->driver->module_get_upon_open == !!upon_open)
module_put(component->dev->driver->owner);
}
int snd_soc_component_open(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
if (component->driver->open)
return component->driver->open(component, substream);
return 0;
}
int snd_soc_component_close(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
if (component->driver->close)
return component->driver->close(component, substream);
return 0;
}
int snd_soc_component_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
if (component->driver->prepare)
return component->driver->prepare(component, substream);
return 0;
}
int snd_soc_component_hw_params(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
if (component->driver->hw_params)
return component->driver->hw_params(component,
substream, params);
return 0;
}
int snd_soc_component_hw_free(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
if (component->driver->hw_free)
return component->driver->hw_free(component, substream);
return 0;
}
int snd_soc_component_trigger(struct snd_soc_component *component,
struct snd_pcm_substream *substream,
int cmd)
{
if (component->driver->trigger)
return component->driver->trigger(component, substream, cmd);
return 0;
}
void snd_soc_component_suspend(struct snd_soc_component *component)
{
if (component->driver->suspend)
component->driver->suspend(component);
component->suspended = 1;
}
void snd_soc_component_resume(struct snd_soc_component *component)
{
if (component->driver->resume)
component->driver->resume(component);
component->suspended = 0;
}
int snd_soc_component_is_suspended(struct snd_soc_component *component)
{
return component->suspended;
}
int snd_soc_component_probe(struct snd_soc_component *component)
{
if (component->driver->probe)
return component->driver->probe(component);
return 0;
}
void snd_soc_component_remove(struct snd_soc_component *component)
{
if (component->driver->remove)
component->driver->remove(component);
}
int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
struct device_node *ep)
{
if (component->driver->of_xlate_dai_id)
return component->driver->of_xlate_dai_id(component, ep);
return -ENOTSUPP;
}
int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
struct of_phandle_args *args,
const char **dai_name)
{
if (component->driver->of_xlate_dai_name)
return component->driver->of_xlate_dai_name(component,
args, dai_name);
return -ENOTSUPP;
}
void snd_soc_component_setup_regmap(struct snd_soc_component *component)
{
int val_bytes = regmap_get_val_bytes(component->regmap);
/* Errors are legitimate for non-integer byte multiples */
if (val_bytes > 0)
component->val_bytes = val_bytes;
}
#ifdef CONFIG_REGMAP
/**
* snd_soc_component_init_regmap() - Initialize regmap instance for the
* component
* @component: The component for which to initialize the regmap instance
* @regmap: The regmap instance that should be used by the component
*
* This function allows deferred assignment of the regmap instance that is
* associated with the component. Only use this if the regmap instance is not
* yet ready when the component is registered. The function must also be called
* before the first IO attempt of the component.
*/
void snd_soc_component_init_regmap(struct snd_soc_component *component,
struct regmap *regmap)
{
component->regmap = regmap;
snd_soc_component_setup_regmap(component);
}
EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
/**
* snd_soc_component_exit_regmap() - De-initialize regmap instance for the
* component
* @component: The component for which to de-initialize the regmap instance
*
* Calls regmap_exit() on the regmap instance associated to the component and
* removes the regmap instance from the component.
*
* This function should only be used if snd_soc_component_init_regmap() was used
* to initialize the regmap instance.
*/
void snd_soc_component_exit_regmap(struct snd_soc_component *component)
{
regmap_exit(component->regmap);
component->regmap = NULL;
}
EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
#endif
int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
int i;
/* FIXME: use 1st pointer */
for_each_rtd_components(rtd, i, component)
if (component->driver->pointer)
return component->driver->pointer(component, substream);
return 0;
}
int snd_soc_pcm_component_ioctl(struct snd_pcm_substream *substream,
unsigned int cmd, void *arg)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
int i;
/* FIXME: use 1st ioctl */
for_each_rtd_components(rtd, i, component)
if (component->driver->ioctl)
return component->driver->ioctl(component, substream,
cmd, arg);
return snd_pcm_lib_ioctl(substream, cmd, arg);
}
int snd_soc_pcm_component_sync_stop(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
int i, ret;
for_each_rtd_components(rtd, i, component) {
if (component->driver->sync_stop) {
ret = component->driver->sync_stop(component,
substream);
if (ret < 0)
return ret;
}
}
return 0;
}
int snd_soc_pcm_component_copy_user(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *buf, unsigned long bytes)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
int i;
/* FIXME. it returns 1st copy now */
for_each_rtd_components(rtd, i, component)
if (component->driver->copy_user)
return component->driver->copy_user(
component, substream, channel, pos, buf, bytes);
return -EINVAL;
}
struct page *snd_soc_pcm_component_page(struct snd_pcm_substream *substream,
unsigned long offset)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
struct page *page;
int i;
/* FIXME. it returns 1st page now */
for_each_rtd_components(rtd, i, component) {
if (component->driver->page) {
page = component->driver->page(component,
substream, offset);
if (page)
return page;
}
}
return NULL;
}
int snd_soc_pcm_component_mmap(struct snd_pcm_substream *substream,
struct vm_area_struct *vma)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_component *component;
int i;
/* FIXME. it returns 1st mmap now */
for_each_rtd_components(rtd, i, component)
if (component->driver->mmap)
return component->driver->mmap(component,
substream, vma);
return -EINVAL;
}
int snd_soc_pcm_component_new(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component;
int ret;
int i;
for_each_rtd_components(rtd, i, component) {
if (component->driver->pcm_construct) {
ret = component->driver->pcm_construct(component, rtd);
if (ret < 0)
return ret;
}
}
return 0;
}
void snd_soc_pcm_component_free(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_component *component;
int i;
if (!rtd->pcm)
return;
for_each_rtd_components(rtd, i, component)
if (component->driver->pcm_destruct)
component->driver->pcm_destruct(component, rtd->pcm);
}
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