181 lines
4.5 KiB
C
181 lines
4.5 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// soc-link.c
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//
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// Copyright (C) 2019 Renesas Electronics Corp.
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// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
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//
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#include <sound/soc.h>
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#include <sound/soc-link.h>
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#define soc_link_ret(rtd, ret) _soc_link_ret(rtd, __func__, ret)
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static inline int _soc_link_ret(struct snd_soc_pcm_runtime *rtd,
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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(rtd->dev,
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"ASoC: error at %s on %s: %d\n",
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func, rtd->dai_link->name, ret);
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}
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return ret;
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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_link_mark_push(rtd, substream, tgt) ((rtd)->mark_##tgt = substream)
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#define soc_link_mark_pop(rtd, substream, tgt) ((rtd)->mark_##tgt = NULL)
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#define soc_link_mark_match(rtd, substream, tgt) ((rtd)->mark_##tgt == substream)
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int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd)
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{
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int ret = 0;
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if (rtd->dai_link->init)
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ret = rtd->dai_link->init(rtd);
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return soc_link_ret(rtd, ret);
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}
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void snd_soc_link_exit(struct snd_soc_pcm_runtime *rtd)
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{
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if (rtd->dai_link->exit)
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rtd->dai_link->exit(rtd);
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}
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int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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int ret = 0;
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if (rtd->dai_link->be_hw_params_fixup)
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ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
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return soc_link_ret(rtd, ret);
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}
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int snd_soc_link_startup(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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int ret = 0;
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->startup)
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ret = rtd->dai_link->ops->startup(substream);
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/* mark substream if succeeded */
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if (ret == 0)
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soc_link_mark_push(rtd, substream, startup);
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return soc_link_ret(rtd, ret);
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}
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void snd_soc_link_shutdown(struct snd_pcm_substream *substream,
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int rollback)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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if (rollback && !soc_link_mark_match(rtd, substream, startup))
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return;
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->shutdown)
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rtd->dai_link->ops->shutdown(substream);
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/* remove marked substream */
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soc_link_mark_pop(rtd, substream, startup);
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}
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int snd_soc_link_prepare(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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int ret = 0;
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->prepare)
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ret = rtd->dai_link->ops->prepare(substream);
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return soc_link_ret(rtd, ret);
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}
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int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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int ret = 0;
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->hw_params)
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ret = rtd->dai_link->ops->hw_params(substream, params);
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return soc_link_ret(rtd, ret);
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}
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void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->hw_free)
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rtd->dai_link->ops->hw_free(substream);
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}
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int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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int ret = 0;
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if (rtd->dai_link->ops &&
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rtd->dai_link->ops->trigger)
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ret = rtd->dai_link->ops->trigger(substream, cmd);
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return soc_link_ret(rtd, ret);
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}
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int snd_soc_link_compr_startup(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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int ret = 0;
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if (rtd->dai_link->compr_ops &&
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rtd->dai_link->compr_ops->startup)
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ret = rtd->dai_link->compr_ops->startup(cstream);
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return soc_link_ret(rtd, ret);
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}
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EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup);
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void snd_soc_link_compr_shutdown(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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if (rtd->dai_link->compr_ops &&
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rtd->dai_link->compr_ops->shutdown)
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rtd->dai_link->compr_ops->shutdown(cstream);
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}
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EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown);
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int snd_soc_link_compr_set_params(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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int ret = 0;
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if (rtd->dai_link->compr_ops &&
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rtd->dai_link->compr_ops->set_params)
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ret = rtd->dai_link->compr_ops->set_params(cstream);
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return soc_link_ret(rtd, ret);
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}
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EXPORT_SYMBOL_GPL(snd_soc_link_compr_set_params);
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