123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111 |
- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- //
- // This file is provided under a dual BSD/GPLv2 license. When using or
- // redistributing this file, you may do so under either license.
- //
- // Copyright(c) 2018 Intel Corporation. All rights reserved.
- //
- // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
- //
- #include <linux/module.h>
- #include <sound/sof.h>
- #include "sof-priv.h"
- static struct snd_soc_card sof_nocodec_card = {
- .name = "nocodec", /* the sof- prefix is added by the core */
- .owner = THIS_MODULE
- };
- static int sof_nocodec_bes_setup(struct device *dev,
- const struct snd_sof_dsp_ops *ops,
- struct snd_soc_dai_link *links,
- int link_num, struct snd_soc_card *card)
- {
- struct snd_soc_dai_link_component *dlc;
- int i;
- if (!ops || !links || !card)
- return -EINVAL;
- /* set up BE dai_links */
- for (i = 0; i < link_num; i++) {
- dlc = devm_kzalloc(dev, 3 * sizeof(*dlc), GFP_KERNEL);
- if (!dlc)
- return -ENOMEM;
- links[i].name = devm_kasprintf(dev, GFP_KERNEL,
- "NoCodec-%d", i);
- if (!links[i].name)
- return -ENOMEM;
- links[i].cpus = &dlc[0];
- links[i].codecs = &dlc[1];
- links[i].platforms = &dlc[2];
- links[i].num_cpus = 1;
- links[i].num_codecs = 1;
- links[i].num_platforms = 1;
- links[i].id = i;
- links[i].no_pcm = 1;
- links[i].cpus->dai_name = ops->drv[i].name;
- links[i].platforms->name = dev_name(dev);
- links[i].codecs->dai_name = "snd-soc-dummy-dai";
- links[i].codecs->name = "snd-soc-dummy";
- if (ops->drv[i].playback.channels_min)
- links[i].dpcm_playback = 1;
- if (ops->drv[i].capture.channels_min)
- links[i].dpcm_capture = 1;
- }
- card->dai_link = links;
- card->num_links = link_num;
- return 0;
- }
- int sof_nocodec_setup(struct device *dev,
- const struct snd_sof_dsp_ops *ops)
- {
- struct snd_soc_dai_link *links;
- /* create dummy BE dai_links */
- links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
- ops->num_drv, GFP_KERNEL);
- if (!links)
- return -ENOMEM;
- return sof_nocodec_bes_setup(dev, ops, links, ops->num_drv,
- &sof_nocodec_card);
- }
- EXPORT_SYMBOL(sof_nocodec_setup);
- static int sof_nocodec_probe(struct platform_device *pdev)
- {
- struct snd_soc_card *card = &sof_nocodec_card;
- card->dev = &pdev->dev;
- return devm_snd_soc_register_card(&pdev->dev, card);
- }
- static int sof_nocodec_remove(struct platform_device *pdev)
- {
- return 0;
- }
- static struct platform_driver sof_nocodec_audio = {
- .probe = sof_nocodec_probe,
- .remove = sof_nocodec_remove,
- .driver = {
- .name = "sof-nocodec",
- .pm = &snd_soc_pm_ops,
- },
- };
- module_platform_driver(sof_nocodec_audio)
- MODULE_DESCRIPTION("ASoC sof nocodec");
- MODULE_AUTHOR("Liam Girdwood");
- MODULE_LICENSE("Dual BSD/GPL");
- MODULE_ALIAS("platform:sof-nocodec");
|