1 // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
3 // This file is provided under a dual BSD/GPLv2 license. When using or
4 // redistributing this file, you may do so under either license.
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
11 #include <linux/module.h>
12 #include <sound/sof.h>
15 static struct snd_soc_card sof_nocodec_card = {
16 .name = "nocodec", /* the sof- prefix is added by the core */
19 static int sof_nocodec_bes_setup(struct device *dev,
20 const struct snd_sof_dsp_ops *ops,
21 struct snd_soc_dai_link *links,
22 int link_num, struct snd_soc_card *card)
26 if (!ops || !links || !card)
29 /* set up BE dai_links */
30 for (i = 0; i < link_num; i++) {
31 links[i].name = devm_kasprintf(dev, GFP_KERNEL,
38 links[i].cpu_dai_name = ops->drv[i].name;
39 links[i].platform_name = dev_name(dev);
40 links[i].codec_dai_name = "snd-soc-dummy-dai";
41 links[i].codec_name = "snd-soc-dummy";
42 links[i].dpcm_playback = 1;
43 links[i].dpcm_capture = 1;
46 card->dai_link = links;
47 card->num_links = link_num;
52 int sof_nocodec_setup(struct device *dev,
53 struct snd_sof_pdata *sof_pdata,
54 struct snd_soc_acpi_mach *mach,
55 const struct sof_dev_desc *desc,
56 const struct snd_sof_dsp_ops *ops)
58 struct snd_soc_dai_link *links;
64 sof_pdata->drv_name = "sof-nocodec";
66 mach->drv_name = "sof-nocodec";
67 sof_pdata->fw_filename = desc->nocodec_fw_filename;
68 sof_pdata->tplg_filename = desc->nocodec_tplg_filename;
70 /* create dummy BE dai_links */
71 links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
72 ops->num_drv, GFP_KERNEL);
76 ret = sof_nocodec_bes_setup(dev, ops, links, ops->num_drv,
80 EXPORT_SYMBOL(sof_nocodec_setup);
82 static int sof_nocodec_probe(struct platform_device *pdev)
84 struct snd_soc_card *card = &sof_nocodec_card;
86 card->dev = &pdev->dev;
88 return devm_snd_soc_register_card(&pdev->dev, card);
91 static int sof_nocodec_remove(struct platform_device *pdev)
96 static struct platform_driver sof_nocodec_audio = {
97 .probe = sof_nocodec_probe,
98 .remove = sof_nocodec_remove,
100 .name = "sof-nocodec",
101 .pm = &snd_soc_pm_ops,
104 module_platform_driver(sof_nocodec_audio)
106 MODULE_DESCRIPTION("ASoC sof nocodec");
107 MODULE_AUTHOR("Liam Girdwood");
108 MODULE_LICENSE("Dual BSD/GPL");
109 MODULE_ALIAS("platform:sof-nocodec");