1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Machine driver for AMD Pink Sardine platform using DMIC
4 *
5 * Copyright 2022 Advanced Micro Devices, Inc.
6 */
7
8 #include <sound/soc.h>
9 #include <sound/soc-dapm.h>
10 #include <linux/module.h>
11 #include <sound/pcm.h>
12 #include <sound/pcm_params.h>
13 #include <linux/io.h>
14 #include <linux/dmi.h>
15
16 #include "acp63.h"
17
18 #define DRV_NAME "acp_ps_mach"
19
20 SND_SOC_DAILINK_DEF(acp63_pdm,
21 DAILINK_COMP_ARRAY(COMP_CPU("acp_ps_pdm_dma.0")));
22
23 SND_SOC_DAILINK_DEF(dmic_codec,
24 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
25 "dmic-hifi")));
26
27 SND_SOC_DAILINK_DEF(pdm_platform,
28 DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_ps_pdm_dma.0")));
29
30 static struct snd_soc_dai_link acp63_dai_pdm[] = {
31 {
32 .name = "acp63-dmic-capture",
33 .stream_name = "DMIC capture",
34 .capture_only = 1,
35 SND_SOC_DAILINK_REG(acp63_pdm, dmic_codec, pdm_platform),
36 },
37 };
38
39 static struct snd_soc_card acp63_card = {
40 .name = "acp63",
41 .owner = THIS_MODULE,
42 .dai_link = acp63_dai_pdm,
43 .num_links = 1,
44 };
45
46 static int acp63_probe(struct platform_device *pdev)
47 {
48 struct acp63_pdm *machine = NULL;
49 struct snd_soc_card *card;
50 int ret;
51
52 platform_set_drvdata(pdev, &acp63_card);
53 card = platform_get_drvdata(pdev);
54 acp63_card.dev = &pdev->dev;
55
56 snd_soc_card_set_drvdata(card, machine);
57 ret = devm_snd_soc_register_card(&pdev->dev, card);
58 if (ret) {
59 return dev_err_probe(&pdev->dev, ret,
60 "snd_soc_register_card(%s) failed\n",
61 card->name);
62 }
63
64 return 0;
65 }
66
67 static struct platform_driver acp63_mach_driver = {
68 .driver = {
69 .name = "acp_ps_mach",
70 .pm = &snd_soc_pm_ops,
71 },
72 .probe = acp63_probe,
73 };
74
75 module_platform_driver(acp63_mach_driver);
76
77 MODULE_AUTHOR("Syed.SabaKareem@amd.com");
78 MODULE_DESCRIPTION("AMD Pink Sardine support for DMIC");
79 MODULE_LICENSE("GPL v2");
80 MODULE_ALIAS("platform:" DRV_NAME);
81
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.