projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8017b8fd LG |
1 | // SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) |
| 2 | // | |
| 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. | |
| 5 | // | |
| 6 | // Copyright(c) 2018 Intel Corporation. All rights reserved. | |
| 7 | // | |
| 8 | // Author: Liam Girdwood <[email protected]> | |
| 9 | // | |
| 10 | ||
| 11 | #include <linux/module.h> | |
| 12 | #include <sound/sof.h> | |
| 13 | #include "sof-priv.h" | |
| 14 | ||
| 15 | static struct snd_soc_card sof_nocodec_card = { | |
| 16 | .name = "nocodec", /* the sof- prefix is added by the core */ | |
| 17 | }; | |
| 18 | ||
| 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) | |
| 23 | { | |
| 24 | int i; | |
| 25 | ||
| 26 | if (!ops || !links || !card) | |
| 27 | return -EINVAL; | |
| 28 | ||
| 29 | /* set up BE dai_links */ | |
| 30 | for (i = 0; i < link_num; i++) { | |
| 31 | links[i].name = devm_kasprintf(dev, GFP_KERNEL, | |
| 32 | "NoCodec-%d", i); | |
| 33 | if (!links[i].name) | |
| 34 | return -ENOMEM; | |
| 35 | ||
| 36 | links[i].id = i; | |
| 37 | links[i].no_pcm = 1; | |
| 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; | |
| 44 | } | |
| 45 | ||
| 46 | card->dai_link = links; | |
| 47 | card->num_links = link_num; | |
| 48 | ||
| 49 | return 0; | |
| 50 | } | |
| 51 | ||
| 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) | |
| 57 | { | |
| 58 | struct snd_soc_dai_link *links; | |
| 59 | int ret; | |
| 60 | ||
| 61 | if (!mach) | |
| 62 | return -EINVAL; | |
| 63 | ||
| 64 | sof_pdata->drv_name = "sof-nocodec"; | |
| 65 | ||
| 66 | mach->drv_name = "sof-nocodec"; | |
| 67 | sof_pdata->fw_filename = desc->nocodec_fw_filename; | |
| 68 | sof_pdata->tplg_filename = desc->nocodec_tplg_filename; | |
| 69 | ||
| 70 | /* create dummy BE dai_links */ | |
| 71 | links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) * | |
| 72 | ops->num_drv, GFP_KERNEL); | |
| 73 | if (!links) | |
| 74 | return -ENOMEM; | |
| 75 | ||
| 76 | ret = sof_nocodec_bes_setup(dev, ops, links, ops->num_drv, | |
| 77 | &sof_nocodec_card); | |
| 78 | return ret; | |
| 79 | } | |
| 80 | EXPORT_SYMBOL(sof_nocodec_setup); | |
| 81 | ||
| 82 | static int sof_nocodec_probe(struct platform_device *pdev) | |
| 83 | { | |
| 84 | struct snd_soc_card *card = &sof_nocodec_card; | |
| 85 | ||
| 86 | card->dev = &pdev->dev; | |
| 87 | ||
| 88 | return devm_snd_soc_register_card(&pdev->dev, card); | |
| 89 | } | |
| 90 | ||
| 91 | static int sof_nocodec_remove(struct platform_device *pdev) | |
| 92 | { | |
| 93 | return 0; | |
| 94 | } | |
| 95 | ||
| 96 | static struct platform_driver sof_nocodec_audio = { | |
| 97 | .probe = sof_nocodec_probe, | |
| 98 | .remove = sof_nocodec_remove, | |
| 99 | .driver = { | |
| 100 | .name = "sof-nocodec", | |
| 101 | .pm = &snd_soc_pm_ops, | |
| 102 | }, | |
| 103 | }; | |
| 104 | module_platform_driver(sof_nocodec_audio) | |
| 105 | ||
| 106 | MODULE_DESCRIPTION("ASoC sof nocodec"); | |
| 107 | MODULE_AUTHOR("Liam Girdwood"); | |
| 108 | MODULE_LICENSE("Dual BSD/GPL"); | |
| 109 | MODULE_ALIAS("platform:sof-nocodec"); |