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111 lines
2.7 KiB
111 lines
2.7 KiB
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
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// |
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// This file is provided under a dual BSD/GPLv2 license. When using or |
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// redistributing this file, you may do so under either license. |
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// |
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// Copyright(c) 2018 Intel Corporation. All rights reserved. |
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// |
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// Author: Liam Girdwood <[email protected]> |
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// |
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#include <linux/module.h> |
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#include <sound/sof.h> |
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#include "sof-priv.h" |
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static struct snd_soc_card sof_nocodec_card = { |
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.name = "nocodec", /* the sof- prefix is added by the core */ |
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.owner = THIS_MODULE |
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}; |
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static int sof_nocodec_bes_setup(struct device *dev, |
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const struct snd_sof_dsp_ops *ops, |
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struct snd_soc_dai_link *links, |
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int link_num, struct snd_soc_card *card) |
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{ |
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struct snd_soc_dai_link_component *dlc; |
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int i; |
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if (!ops || !links || !card) |
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return -EINVAL; |
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/* set up BE dai_links */ |
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for (i = 0; i < link_num; i++) { |
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dlc = devm_kzalloc(dev, 3 * sizeof(*dlc), GFP_KERNEL); |
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if (!dlc) |
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return -ENOMEM; |
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links[i].name = devm_kasprintf(dev, GFP_KERNEL, |
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"NoCodec-%d", i); |
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if (!links[i].name) |
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return -ENOMEM; |
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links[i].cpus = &dlc[0]; |
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links[i].codecs = &dlc[1]; |
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links[i].platforms = &dlc[2]; |
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links[i].num_cpus = 1; |
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links[i].num_codecs = 1; |
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links[i].num_platforms = 1; |
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links[i].id = i; |
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links[i].no_pcm = 1; |
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links[i].cpus->dai_name = ops->drv[i].name; |
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links[i].platforms->name = dev_name(dev); |
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links[i].codecs->dai_name = "snd-soc-dummy-dai"; |
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links[i].codecs->name = "snd-soc-dummy"; |
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if (ops->drv[i].playback.channels_min) |
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links[i].dpcm_playback = 1; |
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if (ops->drv[i].capture.channels_min) |
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links[i].dpcm_capture = 1; |
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} |
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card->dai_link = links; |
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card->num_links = link_num; |
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return 0; |
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} |
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int sof_nocodec_setup(struct device *dev, |
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const struct snd_sof_dsp_ops *ops) |
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{ |
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struct snd_soc_dai_link *links; |
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/* create dummy BE dai_links */ |
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links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * |
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ops->num_drv, GFP_KERNEL); |
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if (!links) |
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return -ENOMEM; |
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return sof_nocodec_bes_setup(dev, ops, links, ops->num_drv, |
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&sof_nocodec_card); |
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} |
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EXPORT_SYMBOL(sof_nocodec_setup); |
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static int sof_nocodec_probe(struct platform_device *pdev) |
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{ |
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struct snd_soc_card *card = &sof_nocodec_card; |
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card->dev = &pdev->dev; |
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return devm_snd_soc_register_card(&pdev->dev, card); |
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} |
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static int sof_nocodec_remove(struct platform_device *pdev) |
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{ |
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return 0; |
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} |
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static struct platform_driver sof_nocodec_audio = { |
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.probe = sof_nocodec_probe, |
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.remove = sof_nocodec_remove, |
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.driver = { |
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.name = "sof-nocodec", |
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.pm = &snd_soc_pm_ops, |
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}, |
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}; |
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module_platform_driver(sof_nocodec_audio) |
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MODULE_DESCRIPTION("ASoC sof nocodec"); |
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MODULE_AUTHOR("Liam Girdwood"); |
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MODULE_LICENSE("Dual BSD/GPL"); |
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MODULE_ALIAS("platform:sof-nocodec");
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