1220 строки
33 KiB
C
1220 строки
33 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// soc-component.c
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//
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// Copyright 2009-2011 Wolfson Microelectronics PLC.
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// Copyright (C) 2019 Renesas Electronics Corp.
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//
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// Mark Brown <broonie@opensource.wolfsonmicro.com>
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// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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//
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#include <linux/module.h>
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#include <linux/pm_runtime.h>
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#include <sound/soc.h>
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#include <linux/bitops.h>
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#define soc_component_ret(dai, ret) _soc_component_ret(dai, __func__, ret)
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static inline int _soc_component_ret(struct snd_soc_component *component,
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const char *func, int ret)
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{
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/* Positive/Zero values are not errors */
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if (ret >= 0)
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return ret;
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/* Negative values might be errors */
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switch (ret) {
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case -EPROBE_DEFER:
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case -ENOTSUPP:
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break;
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default:
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dev_err(component->dev,
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"ASoC: error at %s on %s: %d\n",
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func, component->name, ret);
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}
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return ret;
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}
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static inline int soc_component_field_shift(struct snd_soc_component *component,
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unsigned int mask)
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{
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if (!mask) {
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dev_err(component->dev, "ASoC: error field mask is zero for %s\n",
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component->name);
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return 0;
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}
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return (ffs(mask) - 1);
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}
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/*
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* We might want to check substream by using list.
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* In such case, we can update these macros.
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*/
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#define soc_component_mark_push(component, substream, tgt) ((component)->mark_##tgt = substream)
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#define soc_component_mark_pop(component, substream, tgt) ((component)->mark_##tgt = NULL)
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#define soc_component_mark_match(component, substream, tgt) ((component)->mark_##tgt == substream)
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void snd_soc_component_set_aux(struct snd_soc_component *component,
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struct snd_soc_aux_dev *aux)
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{
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component->init = (aux) ? aux->init : NULL;
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}
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int snd_soc_component_init(struct snd_soc_component *component)
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{
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int ret = 0;
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if (component->init)
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ret = component->init(component);
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return soc_component_ret(component, ret);
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}
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/**
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* snd_soc_component_set_sysclk - configure COMPONENT system or master clock.
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* @component: COMPONENT
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* @clk_id: DAI specific clock ID
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* @source: Source for the clock
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* @freq: new clock frequency in Hz
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* @dir: new clock direction - input/output.
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*
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* Configures the CODEC master (MCLK) or system (SYSCLK) clocking.
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*/
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int snd_soc_component_set_sysclk(struct snd_soc_component *component,
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int clk_id, int source, unsigned int freq,
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int dir)
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{
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int ret = -ENOTSUPP;
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if (component->driver->set_sysclk)
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ret = component->driver->set_sysclk(component, clk_id, source,
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freq, dir);
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return soc_component_ret(component, ret);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_set_sysclk);
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/*
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* snd_soc_component_set_pll - configure component PLL.
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* @component: COMPONENT
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* @pll_id: DAI specific PLL ID
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* @source: DAI specific source for the PLL
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* @freq_in: PLL input clock frequency in Hz
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* @freq_out: requested PLL output clock frequency in Hz
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*
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* Configures and enables PLL to generate output clock based on input clock.
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*/
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int snd_soc_component_set_pll(struct snd_soc_component *component, int pll_id,
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int source, unsigned int freq_in,
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unsigned int freq_out)
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{
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int ret = -EINVAL;
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if (component->driver->set_pll)
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ret = component->driver->set_pll(component, pll_id, source,
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freq_in, freq_out);
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return soc_component_ret(component, ret);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_set_pll);
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void snd_soc_component_seq_notifier(struct snd_soc_component *component,
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enum snd_soc_dapm_type type, int subseq)
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{
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if (component->driver->seq_notifier)
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component->driver->seq_notifier(component, type, subseq);
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}
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int snd_soc_component_stream_event(struct snd_soc_component *component,
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int event)
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{
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int ret = 0;
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if (component->driver->stream_event)
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ret = component->driver->stream_event(component, event);
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return soc_component_ret(component, ret);
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}
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int snd_soc_component_set_bias_level(struct snd_soc_component *component,
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enum snd_soc_bias_level level)
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{
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int ret = 0;
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if (component->driver->set_bias_level)
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ret = component->driver->set_bias_level(component, level);
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return soc_component_ret(component, ret);
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}
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int snd_soc_component_enable_pin(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_enable_pin(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin);
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int snd_soc_component_enable_pin_unlocked(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_enable_pin_unlocked(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_enable_pin_unlocked);
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int snd_soc_component_disable_pin(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_disable_pin(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin);
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int snd_soc_component_disable_pin_unlocked(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_disable_pin_unlocked(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_disable_pin_unlocked);
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int snd_soc_component_nc_pin(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_nc_pin(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin);
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int snd_soc_component_nc_pin_unlocked(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_nc_pin_unlocked(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_nc_pin_unlocked);
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int snd_soc_component_get_pin_status(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_get_pin_status(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_get_pin_status);
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int snd_soc_component_force_enable_pin(struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_force_enable_pin(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin);
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int snd_soc_component_force_enable_pin_unlocked(
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struct snd_soc_component *component,
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const char *pin)
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{
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struct snd_soc_dapm_context *dapm =
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snd_soc_component_get_dapm(component);
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return snd_soc_dapm_force_enable_pin_unlocked(dapm, pin);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_force_enable_pin_unlocked);
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/**
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* snd_soc_component_set_jack - configure component jack.
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* @component: COMPONENTs
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* @jack: structure to use for the jack
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* @data: can be used if codec driver need extra data for configuring jack
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*
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* Configures and enables jack detection function.
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*/
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int snd_soc_component_set_jack(struct snd_soc_component *component,
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struct snd_soc_jack *jack, void *data)
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{
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int ret = -ENOTSUPP;
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if (component->driver->set_jack)
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ret = component->driver->set_jack(component, jack, data);
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return soc_component_ret(component, ret);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_set_jack);
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int snd_soc_component_module_get(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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int upon_open)
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{
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int ret = 0;
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if (component->driver->module_get_upon_open == !!upon_open &&
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!try_module_get(component->dev->driver->owner))
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ret = -ENODEV;
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/* mark substream if succeeded */
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if (ret == 0)
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soc_component_mark_push(component, substream, module);
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return soc_component_ret(component, ret);
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}
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void snd_soc_component_module_put(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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int upon_open, int rollback)
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{
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if (rollback && !soc_component_mark_match(component, substream, module))
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return;
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if (component->driver->module_get_upon_open == !!upon_open)
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module_put(component->dev->driver->owner);
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/* remove marked substream */
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soc_component_mark_pop(component, substream, module);
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}
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int snd_soc_component_open(struct snd_soc_component *component,
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struct snd_pcm_substream *substream)
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{
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int ret = 0;
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if (component->driver->open)
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ret = component->driver->open(component, substream);
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/* mark substream if succeeded */
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if (ret == 0)
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soc_component_mark_push(component, substream, open);
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return soc_component_ret(component, ret);
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}
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int snd_soc_component_close(struct snd_soc_component *component,
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struct snd_pcm_substream *substream,
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int rollback)
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{
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int ret = 0;
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if (rollback && !soc_component_mark_match(component, substream, open))
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return 0;
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if (component->driver->close)
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ret = component->driver->close(component, substream);
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/* remove marked substream */
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soc_component_mark_pop(component, substream, open);
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return soc_component_ret(component, ret);
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}
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void snd_soc_component_suspend(struct snd_soc_component *component)
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{
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if (component->driver->suspend)
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component->driver->suspend(component);
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component->suspended = 1;
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}
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void snd_soc_component_resume(struct snd_soc_component *component)
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{
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if (component->driver->resume)
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component->driver->resume(component);
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component->suspended = 0;
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}
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int snd_soc_component_is_suspended(struct snd_soc_component *component)
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{
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return component->suspended;
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}
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int snd_soc_component_probe(struct snd_soc_component *component)
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{
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int ret = 0;
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if (component->driver->probe)
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ret = component->driver->probe(component);
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return soc_component_ret(component, ret);
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}
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void snd_soc_component_remove(struct snd_soc_component *component)
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{
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if (component->driver->remove)
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component->driver->remove(component);
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}
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int snd_soc_component_of_xlate_dai_id(struct snd_soc_component *component,
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struct device_node *ep)
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{
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int ret = -ENOTSUPP;
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if (component->driver->of_xlate_dai_id)
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ret = component->driver->of_xlate_dai_id(component, ep);
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return soc_component_ret(component, ret);
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}
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int snd_soc_component_of_xlate_dai_name(struct snd_soc_component *component,
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const struct of_phandle_args *args,
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const char **dai_name)
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{
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if (component->driver->of_xlate_dai_name)
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return component->driver->of_xlate_dai_name(component,
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args, dai_name);
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/*
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* Don't use soc_component_ret here because we may not want to report
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* the error just yet. If a device has more than one component, the
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* first may not match and we don't want spam the log with this.
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*/
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return -ENOTSUPP;
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}
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void snd_soc_component_setup_regmap(struct snd_soc_component *component)
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{
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int val_bytes = regmap_get_val_bytes(component->regmap);
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/* Errors are legitimate for non-integer byte multiples */
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if (val_bytes > 0)
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component->val_bytes = val_bytes;
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}
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#ifdef CONFIG_REGMAP
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/**
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* snd_soc_component_init_regmap() - Initialize regmap instance for the
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* component
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* @component: The component for which to initialize the regmap instance
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* @regmap: The regmap instance that should be used by the component
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*
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* This function allows deferred assignment of the regmap instance that is
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* associated with the component. Only use this if the regmap instance is not
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* yet ready when the component is registered. The function must also be called
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* before the first IO attempt of the component.
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*/
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void snd_soc_component_init_regmap(struct snd_soc_component *component,
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struct regmap *regmap)
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{
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component->regmap = regmap;
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snd_soc_component_setup_regmap(component);
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_init_regmap);
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/**
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* snd_soc_component_exit_regmap() - De-initialize regmap instance for the
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* component
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* @component: The component for which to de-initialize the regmap instance
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*
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* Calls regmap_exit() on the regmap instance associated to the component and
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* removes the regmap instance from the component.
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*
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* This function should only be used if snd_soc_component_init_regmap() was used
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* to initialize the regmap instance.
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*/
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void snd_soc_component_exit_regmap(struct snd_soc_component *component)
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{
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regmap_exit(component->regmap);
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component->regmap = NULL;
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_exit_regmap);
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#endif
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int snd_soc_component_compr_open(struct snd_compr_stream *cstream)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_component *component;
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int i, ret;
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for_each_rtd_components(rtd, i, component) {
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if (component->driver->compress_ops &&
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component->driver->compress_ops->open) {
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ret = component->driver->compress_ops->open(component, cstream);
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if (ret < 0)
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return soc_component_ret(component, ret);
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}
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soc_component_mark_push(component, cstream, compr_open);
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_compr_open);
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void snd_soc_component_compr_free(struct snd_compr_stream *cstream,
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int rollback)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_component *component;
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int i;
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for_each_rtd_components(rtd, i, component) {
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if (rollback && !soc_component_mark_match(component, cstream, compr_open))
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continue;
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if (component->driver->compress_ops &&
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component->driver->compress_ops->free)
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component->driver->compress_ops->free(component, cstream);
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soc_component_mark_pop(component, cstream, compr_open);
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}
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_compr_free);
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int snd_soc_component_compr_trigger(struct snd_compr_stream *cstream, int cmd)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_component *component;
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int i, ret;
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for_each_rtd_components(rtd, i, component) {
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if (component->driver->compress_ops &&
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component->driver->compress_ops->trigger) {
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ret = component->driver->compress_ops->trigger(
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component, cstream, cmd);
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if (ret < 0)
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return soc_component_ret(component, ret);
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}
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_compr_trigger);
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int snd_soc_component_compr_set_params(struct snd_compr_stream *cstream,
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struct snd_compr_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = cstream->private_data;
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struct snd_soc_component *component;
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int i, ret;
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for_each_rtd_components(rtd, i, component) {
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if (component->driver->compress_ops &&
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component->driver->compress_ops->set_params) {
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ret = component->driver->compress_ops->set_params(
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component, cstream, params);
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if (ret < 0)
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return soc_component_ret(component, ret);
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}
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(snd_soc_component_compr_set_params);
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int snd_soc_component_compr_get_params(struct snd_compr_stream *cstream,
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struct snd_codec *params)
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{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->get_params) {
|
|
ret = component->driver->compress_ops->get_params(
|
|
component, cstream, params);
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_params);
|
|
|
|
int snd_soc_component_compr_get_caps(struct snd_compr_stream *cstream,
|
|
struct snd_compr_caps *caps)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret = 0;
|
|
|
|
mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->get_caps) {
|
|
ret = component->driver->compress_ops->get_caps(
|
|
component, cstream, caps);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&rtd->card->pcm_mutex);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_caps);
|
|
|
|
int snd_soc_component_compr_get_codec_caps(struct snd_compr_stream *cstream,
|
|
struct snd_compr_codec_caps *codec)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret = 0;
|
|
|
|
mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->get_codec_caps) {
|
|
ret = component->driver->compress_ops->get_codec_caps(
|
|
component, cstream, codec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&rtd->card->pcm_mutex);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_codec_caps);
|
|
|
|
int snd_soc_component_compr_ack(struct snd_compr_stream *cstream, size_t bytes)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->ack) {
|
|
ret = component->driver->compress_ops->ack(
|
|
component, cstream, bytes);
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_ack);
|
|
|
|
int snd_soc_component_compr_pointer(struct snd_compr_stream *cstream,
|
|
struct snd_compr_tstamp *tstamp)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->pointer) {
|
|
ret = component->driver->compress_ops->pointer(
|
|
component, cstream, tstamp);
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_pointer);
|
|
|
|
int snd_soc_component_compr_copy(struct snd_compr_stream *cstream,
|
|
char __user *buf, size_t count)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret = 0;
|
|
|
|
mutex_lock_nested(&rtd->card->pcm_mutex, rtd->card->pcm_subclass);
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->copy) {
|
|
ret = component->driver->compress_ops->copy(
|
|
component, cstream, buf, count);
|
|
break;
|
|
}
|
|
}
|
|
|
|
mutex_unlock(&rtd->card->pcm_mutex);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_copy);
|
|
|
|
int snd_soc_component_compr_set_metadata(struct snd_compr_stream *cstream,
|
|
struct snd_compr_metadata *metadata)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->set_metadata) {
|
|
ret = component->driver->compress_ops->set_metadata(
|
|
component, cstream, metadata);
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_set_metadata);
|
|
|
|
int snd_soc_component_compr_get_metadata(struct snd_compr_stream *cstream,
|
|
struct snd_compr_metadata *metadata)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = cstream->private_data;
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->compress_ops &&
|
|
component->driver->compress_ops->get_metadata) {
|
|
ret = component->driver->compress_ops->get_metadata(
|
|
component, cstream, metadata);
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_compr_get_metadata);
|
|
|
|
static unsigned int soc_component_read_no_lock(
|
|
struct snd_soc_component *component,
|
|
unsigned int reg)
|
|
{
|
|
int ret;
|
|
unsigned int val = 0;
|
|
|
|
if (component->regmap)
|
|
ret = regmap_read(component->regmap, reg, &val);
|
|
else if (component->driver->read) {
|
|
ret = 0;
|
|
val = component->driver->read(component, reg);
|
|
}
|
|
else
|
|
ret = -EIO;
|
|
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
|
|
return val;
|
|
}
|
|
|
|
/**
|
|
* snd_soc_component_read() - Read register value
|
|
* @component: Component to read from
|
|
* @reg: Register to read
|
|
*
|
|
* Return: read value
|
|
*/
|
|
unsigned int snd_soc_component_read(struct snd_soc_component *component,
|
|
unsigned int reg)
|
|
{
|
|
unsigned int val;
|
|
|
|
mutex_lock(&component->io_mutex);
|
|
val = soc_component_read_no_lock(component, reg);
|
|
mutex_unlock(&component->io_mutex);
|
|
|
|
return val;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_read);
|
|
|
|
static int soc_component_write_no_lock(
|
|
struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int val)
|
|
{
|
|
int ret = -EIO;
|
|
|
|
if (component->regmap)
|
|
ret = regmap_write(component->regmap, reg, val);
|
|
else if (component->driver->write)
|
|
ret = component->driver->write(component, reg, val);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
|
|
/**
|
|
* snd_soc_component_write() - Write register value
|
|
* @component: Component to write to
|
|
* @reg: Register to write
|
|
* @val: Value to write to the register
|
|
*
|
|
* Return: 0 on success, a negative error code otherwise.
|
|
*/
|
|
int snd_soc_component_write(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int val)
|
|
{
|
|
int ret;
|
|
|
|
mutex_lock(&component->io_mutex);
|
|
ret = soc_component_write_no_lock(component, reg, val);
|
|
mutex_unlock(&component->io_mutex);
|
|
|
|
return ret;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_write);
|
|
|
|
static int snd_soc_component_update_bits_legacy(
|
|
struct snd_soc_component *component, unsigned int reg,
|
|
unsigned int mask, unsigned int val, bool *change)
|
|
{
|
|
unsigned int old, new;
|
|
int ret = 0;
|
|
|
|
mutex_lock(&component->io_mutex);
|
|
|
|
old = soc_component_read_no_lock(component, reg);
|
|
|
|
new = (old & ~mask) | (val & mask);
|
|
*change = old != new;
|
|
if (*change)
|
|
ret = soc_component_write_no_lock(component, reg, new);
|
|
|
|
mutex_unlock(&component->io_mutex);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
|
|
/**
|
|
* snd_soc_component_update_bits() - Perform read/modify/write cycle
|
|
* @component: Component to update
|
|
* @reg: Register to update
|
|
* @mask: Mask that specifies which bits to update
|
|
* @val: New value for the bits specified by mask
|
|
*
|
|
* Return: 1 if the operation was successful and the value of the register
|
|
* changed, 0 if the operation was successful, but the value did not change.
|
|
* Returns a negative error code otherwise.
|
|
*/
|
|
int snd_soc_component_update_bits(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int mask, unsigned int val)
|
|
{
|
|
bool change;
|
|
int ret;
|
|
|
|
if (component->regmap)
|
|
ret = regmap_update_bits_check(component->regmap, reg, mask,
|
|
val, &change);
|
|
else
|
|
ret = snd_soc_component_update_bits_legacy(component, reg,
|
|
mask, val, &change);
|
|
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_update_bits);
|
|
|
|
/**
|
|
* snd_soc_component_update_bits_async() - Perform asynchronous
|
|
* read/modify/write cycle
|
|
* @component: Component to update
|
|
* @reg: Register to update
|
|
* @mask: Mask that specifies which bits to update
|
|
* @val: New value for the bits specified by mask
|
|
*
|
|
* This function is similar to snd_soc_component_update_bits(), but the update
|
|
* operation is scheduled asynchronously. This means it may not be completed
|
|
* when the function returns. To make sure that all scheduled updates have been
|
|
* completed snd_soc_component_async_complete() must be called.
|
|
*
|
|
* Return: 1 if the operation was successful and the value of the register
|
|
* changed, 0 if the operation was successful, but the value did not change.
|
|
* Returns a negative error code otherwise.
|
|
*/
|
|
int snd_soc_component_update_bits_async(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int mask, unsigned int val)
|
|
{
|
|
bool change;
|
|
int ret;
|
|
|
|
if (component->regmap)
|
|
ret = regmap_update_bits_check_async(component->regmap, reg,
|
|
mask, val, &change);
|
|
else
|
|
ret = snd_soc_component_update_bits_legacy(component, reg,
|
|
mask, val, &change);
|
|
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
return change;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_update_bits_async);
|
|
|
|
/**
|
|
* snd_soc_component_read_field() - Read register field value
|
|
* @component: Component to read from
|
|
* @reg: Register to read
|
|
* @mask: mask of the register field
|
|
*
|
|
* Return: read value of register field.
|
|
*/
|
|
unsigned int snd_soc_component_read_field(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int mask)
|
|
{
|
|
unsigned int val;
|
|
|
|
val = snd_soc_component_read(component, reg);
|
|
|
|
val = (val & mask) >> soc_component_field_shift(component, mask);
|
|
|
|
return val;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_read_field);
|
|
|
|
/**
|
|
* snd_soc_component_write_field() - write to register field
|
|
* @component: Component to write to
|
|
* @reg: Register to write
|
|
* @mask: mask of the register field to update
|
|
* @val: value of the field to write
|
|
*
|
|
* Return: 1 for change, otherwise 0.
|
|
*/
|
|
int snd_soc_component_write_field(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int mask,
|
|
unsigned int val)
|
|
{
|
|
|
|
val = (val << soc_component_field_shift(component, mask)) & mask;
|
|
|
|
return snd_soc_component_update_bits(component, reg, mask, val);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_write_field);
|
|
|
|
/**
|
|
* snd_soc_component_async_complete() - Ensure asynchronous I/O has completed
|
|
* @component: Component for which to wait
|
|
*
|
|
* This function blocks until all asynchronous I/O which has previously been
|
|
* scheduled using snd_soc_component_update_bits_async() has completed.
|
|
*/
|
|
void snd_soc_component_async_complete(struct snd_soc_component *component)
|
|
{
|
|
if (component->regmap)
|
|
regmap_async_complete(component->regmap);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_async_complete);
|
|
|
|
/**
|
|
* snd_soc_component_test_bits - Test register for change
|
|
* @component: component
|
|
* @reg: Register to test
|
|
* @mask: Mask that specifies which bits to test
|
|
* @value: Value to test against
|
|
*
|
|
* Tests a register with a new value and checks if the new value is
|
|
* different from the old value.
|
|
*
|
|
* Return: 1 for change, otherwise 0.
|
|
*/
|
|
int snd_soc_component_test_bits(struct snd_soc_component *component,
|
|
unsigned int reg, unsigned int mask, unsigned int value)
|
|
{
|
|
unsigned int old, new;
|
|
|
|
old = snd_soc_component_read(component, reg);
|
|
new = (old & ~mask) | value;
|
|
return old != new;
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_component_test_bits);
|
|
|
|
int snd_soc_pcm_component_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
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 = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i;
|
|
|
|
/* FIXME: use 1st ioctl */
|
|
for_each_rtd_components(rtd, i, component)
|
|
if (component->driver->ioctl)
|
|
return soc_component_ret(
|
|
component,
|
|
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 = asoc_substream_to_rtd(substream);
|
|
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 soc_component_ret(component, 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 = asoc_substream_to_rtd(substream);
|
|
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 soc_component_ret(
|
|
component,
|
|
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 = asoc_substream_to_rtd(substream);
|
|
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 = asoc_substream_to_rtd(substream);
|
|
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 soc_component_ret(
|
|
component,
|
|
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 soc_component_ret(component, 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);
|
|
}
|
|
|
|
int snd_soc_pcm_component_prepare(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->prepare) {
|
|
ret = component->driver->prepare(component, substream);
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int snd_soc_pcm_component_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (component->driver->hw_params) {
|
|
ret = component->driver->hw_params(component,
|
|
substream, params);
|
|
if (ret < 0)
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
/* mark substream if succeeded */
|
|
soc_component_mark_push(component, substream, hw_params);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void snd_soc_pcm_component_hw_free(struct snd_pcm_substream *substream,
|
|
int rollback)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (rollback && !soc_component_mark_match(component, substream, hw_params))
|
|
continue;
|
|
|
|
if (component->driver->hw_free) {
|
|
ret = component->driver->hw_free(component, substream);
|
|
if (ret < 0)
|
|
soc_component_ret(component, ret);
|
|
}
|
|
|
|
/* remove marked substream */
|
|
soc_component_mark_pop(component, substream, hw_params);
|
|
}
|
|
}
|
|
|
|
static int soc_component_trigger(struct snd_soc_component *component,
|
|
struct snd_pcm_substream *substream,
|
|
int cmd)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (component->driver->trigger)
|
|
ret = component->driver->trigger(component, substream, cmd);
|
|
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
|
|
int snd_soc_pcm_component_trigger(struct snd_pcm_substream *substream,
|
|
int cmd, int rollback)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i, r, ret = 0;
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
for_each_rtd_components(rtd, i, component) {
|
|
ret = soc_component_trigger(component, substream, cmd);
|
|
if (ret < 0)
|
|
break;
|
|
soc_component_mark_push(component, substream, trigger);
|
|
}
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (rollback && !soc_component_mark_match(component, substream, trigger))
|
|
continue;
|
|
|
|
r = soc_component_trigger(component, substream, cmd);
|
|
if (r < 0)
|
|
ret = r; /* use last ret */
|
|
soc_component_mark_pop(component, substream, trigger);
|
|
}
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int snd_soc_pcm_component_pm_runtime_get(struct snd_soc_pcm_runtime *rtd,
|
|
void *stream)
|
|
{
|
|
struct snd_soc_component *component;
|
|
int i, ret;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
ret = pm_runtime_get_sync(component->dev);
|
|
if (ret < 0 && ret != -EACCES) {
|
|
pm_runtime_put_noidle(component->dev);
|
|
return soc_component_ret(component, ret);
|
|
}
|
|
/* mark stream if succeeded */
|
|
soc_component_mark_push(component, stream, pm);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void snd_soc_pcm_component_pm_runtime_put(struct snd_soc_pcm_runtime *rtd,
|
|
void *stream, int rollback)
|
|
{
|
|
struct snd_soc_component *component;
|
|
int i;
|
|
|
|
for_each_rtd_components(rtd, i, component) {
|
|
if (rollback && !soc_component_mark_match(component, stream, pm))
|
|
continue;
|
|
|
|
pm_runtime_mark_last_busy(component->dev);
|
|
pm_runtime_put_autosuspend(component->dev);
|
|
|
|
/* remove marked stream */
|
|
soc_component_mark_pop(component, stream, pm);
|
|
}
|
|
}
|
|
|
|
int snd_soc_pcm_component_ack(struct snd_pcm_substream *substream)
|
|
{
|
|
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
|
|
struct snd_soc_component *component;
|
|
int i;
|
|
|
|
/* FIXME: use 1st pointer */
|
|
for_each_rtd_components(rtd, i, component)
|
|
if (component->driver->ack)
|
|
return component->driver->ack(component, substream);
|
|
|
|
return 0;
|
|
}
|