1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2021-2022 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8
9 #include <linux/device.h>
10 #include <linux/module.h>
11 #include <sound/soc.h>
12 #include <sound/soc-acpi.h>
13
14 SND_SOC_DAILINK_DEF(dummy, DAILINK_COMP_ARRAY(COMP_DUMMY()));
15 SND_SOC_DAILINK_DEF(probe_cp, DAILINK_COMP_ARRAY(COMP_CPU("Probe Extraction CPU DAI")));
16 SND_SOC_DAILINK_DEF(platform, DAILINK_COMP_ARRAY(COMP_PLATFORM("probe-platform")));
17
18 static struct snd_soc_dai_link probe_mb_dai_links[] = {
19 {
20 .name = "Compress Probe Capture",
21 .nonatomic = 1,
22 SND_SOC_DAILINK_REG(probe_cp, dummy, platform),
23 },
24 };
25
avs_probe_mb_probe(struct platform_device * pdev)26 static int avs_probe_mb_probe(struct platform_device *pdev)
27 {
28 struct device *dev = &pdev->dev;
29 struct snd_soc_acpi_mach *mach;
30 struct snd_soc_card *card;
31 int ret;
32
33 mach = dev_get_platdata(dev);
34
35 card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
36 if (!card)
37 return -ENOMEM;
38
39 card->driver_name = "avs_probe_mb";
40 card->long_name = card->name = "AVS PROBE";
41 card->dev = dev;
42 card->owner = THIS_MODULE;
43 card->dai_link = probe_mb_dai_links;
44 card->num_links = ARRAY_SIZE(probe_mb_dai_links);
45 card->fully_routed = true;
46
47 ret = snd_soc_fixup_dai_links_platform_name(card, mach->mach_params.platform);
48 if (ret)
49 return ret;
50
51 return devm_snd_soc_register_deferrable_card(dev, card);
52 }
53
54 static const struct platform_device_id avs_probe_mb_driver_ids[] = {
55 {
56 .name = "avs_probe_mb",
57 },
58 {},
59 };
60 MODULE_DEVICE_TABLE(platform, avs_probe_mb_driver_ids);
61
62 static struct platform_driver avs_probe_mb_driver = {
63 .probe = avs_probe_mb_probe,
64 .driver = {
65 .name = "avs_probe_mb",
66 .pm = &snd_soc_pm_ops,
67 },
68 .id_table = avs_probe_mb_driver_ids,
69 };
70
71 module_platform_driver(avs_probe_mb_driver);
72
73 MODULE_DESCRIPTION("Intel probe machine driver");
74 MODULE_LICENSE("GPL");
75