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, data: &acp63_card); |
53 | card = platform_get_drvdata(pdev); |
54 | acp63_card.dev = &pdev->dev; |
55 | |
56 | snd_soc_card_set_drvdata(card, data: machine); |
57 | ret = devm_snd_soc_register_card(dev: &pdev->dev, card); |
58 | if (ret) { |
59 | return dev_err_probe(dev: &pdev->dev, err: ret, |
60 | fmt: "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_LICENSE("GPL v2" ); |
79 | MODULE_ALIAS("platform:" DRV_NAME); |
80 | |