1 // SPDX-License-Identifier: GPL-2.0
5 // Copyright (C) 2019 Renesas Electronics Corp.
6 // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
9 #include <sound/soc-link.h>
11 #define soc_link_ret(rtd, ret) _soc_link_ret(rtd, __func__, ret)
12 static inline int _soc_link_ret(struct snd_soc_pcm_runtime *rtd,
13 const char *func, int ret)
15 /* Positive, Zero values are not errors */
19 /* Negative values might be errors */
26 "ASoC: error at %s on %s: %d\n",
27 func, rtd->dai_link->name, ret);
34 * We might want to check substream by using list.
35 * In such case, we can update these macros.
37 #define soc_link_mark_push(rtd, substream, tgt) ((rtd)->mark_##tgt = substream)
38 #define soc_link_mark_pop(rtd, substream, tgt) ((rtd)->mark_##tgt = NULL)
39 #define soc_link_mark_match(rtd, substream, tgt) ((rtd)->mark_##tgt == substream)
41 int snd_soc_link_init(struct snd_soc_pcm_runtime *rtd)
45 if (rtd->dai_link->init)
46 ret = rtd->dai_link->init(rtd);
48 return soc_link_ret(rtd, ret);
51 void snd_soc_link_exit(struct snd_soc_pcm_runtime *rtd)
53 if (rtd->dai_link->exit)
54 rtd->dai_link->exit(rtd);
57 int snd_soc_link_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
58 struct snd_pcm_hw_params *params)
62 if (rtd->dai_link->be_hw_params_fixup)
63 ret = rtd->dai_link->be_hw_params_fixup(rtd, params);
65 return soc_link_ret(rtd, ret);
68 int snd_soc_link_startup(struct snd_pcm_substream *substream)
70 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
73 if (rtd->dai_link->ops &&
74 rtd->dai_link->ops->startup)
75 ret = rtd->dai_link->ops->startup(substream);
77 /* mark substream if succeeded */
79 soc_link_mark_push(rtd, substream, startup);
81 return soc_link_ret(rtd, ret);
84 void snd_soc_link_shutdown(struct snd_pcm_substream *substream,
87 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
89 if (rollback && !soc_link_mark_match(rtd, substream, startup))
92 if (rtd->dai_link->ops &&
93 rtd->dai_link->ops->shutdown)
94 rtd->dai_link->ops->shutdown(substream);
96 /* remove marked substream */
97 soc_link_mark_pop(rtd, substream, startup);
100 int snd_soc_link_prepare(struct snd_pcm_substream *substream)
102 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
105 if (rtd->dai_link->ops &&
106 rtd->dai_link->ops->prepare)
107 ret = rtd->dai_link->ops->prepare(substream);
109 return soc_link_ret(rtd, ret);
112 int snd_soc_link_hw_params(struct snd_pcm_substream *substream,
113 struct snd_pcm_hw_params *params)
115 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
118 if (rtd->dai_link->ops &&
119 rtd->dai_link->ops->hw_params)
120 ret = rtd->dai_link->ops->hw_params(substream, params);
122 return soc_link_ret(rtd, ret);
125 void snd_soc_link_hw_free(struct snd_pcm_substream *substream)
127 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
129 if (rtd->dai_link->ops &&
130 rtd->dai_link->ops->hw_free)
131 rtd->dai_link->ops->hw_free(substream);
134 int snd_soc_link_trigger(struct snd_pcm_substream *substream, int cmd)
136 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
139 if (rtd->dai_link->ops &&
140 rtd->dai_link->ops->trigger)
141 ret = rtd->dai_link->ops->trigger(substream, cmd);
143 return soc_link_ret(rtd, ret);
146 int snd_soc_link_compr_startup(struct snd_compr_stream *cstream)
148 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
151 if (rtd->dai_link->compr_ops &&
152 rtd->dai_link->compr_ops->startup)
153 ret = rtd->dai_link->compr_ops->startup(cstream);
155 return soc_link_ret(rtd, ret);
157 EXPORT_SYMBOL_GPL(snd_soc_link_compr_startup);
159 void snd_soc_link_compr_shutdown(struct snd_compr_stream *cstream)
161 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
163 if (rtd->dai_link->compr_ops &&
164 rtd->dai_link->compr_ops->shutdown)
165 rtd->dai_link->compr_ops->shutdown(cstream);
167 EXPORT_SYMBOL_GPL(snd_soc_link_compr_shutdown);
169 int snd_soc_link_compr_set_params(struct snd_compr_stream *cstream)
171 struct snd_soc_pcm_runtime *rtd = cstream->private_data;
174 if (rtd->dai_link->compr_ops &&
175 rtd->dai_link->compr_ops->set_params)
176 ret = rtd->dai_link->compr_ops->set_params(cstream);
178 return soc_link_ret(rtd, ret);
180 EXPORT_SYMBOL_GPL(snd_soc_link_compr_set_params);