1 | // SPDX-License-Identifier: GPL-2.0+ |
2 | // |
3 | // Machine driver for AMD Renoir platform using DMIC |
4 | // |
5 | //Copyright 2020 Advanced Micro Devices, Inc. |
6 | |
7 | #include <sound/soc.h> |
8 | #include <sound/soc-dapm.h> |
9 | #include <linux/module.h> |
10 | #include <sound/pcm.h> |
11 | #include <sound/pcm_params.h> |
12 | #include <linux/io.h> |
13 | |
14 | #include "rn_acp3x.h" |
15 | |
16 | #define DRV_NAME "acp_pdm_mach" |
17 | |
18 | SND_SOC_DAILINK_DEF(acp_pdm, |
19 | DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0" ))); |
20 | |
21 | SND_SOC_DAILINK_DEF(dmic_codec, |
22 | DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0" , |
23 | "dmic-hifi" ))); |
24 | |
25 | SND_SOC_DAILINK_DEF(platform, |
26 | DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0" ))); |
27 | |
28 | static struct snd_soc_dai_link acp_dai_pdm[] = { |
29 | { |
30 | .name = "acp3x-dmic-capture" , |
31 | .stream_name = "DMIC capture" , |
32 | .capture_only = 1, |
33 | SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform), |
34 | }, |
35 | }; |
36 | |
37 | static struct snd_soc_card acp_card = { |
38 | .name = "acp" , |
39 | .owner = THIS_MODULE, |
40 | .dai_link = acp_dai_pdm, |
41 | .num_links = 1, |
42 | }; |
43 | |
44 | static int acp_probe(struct platform_device *pdev) |
45 | { |
46 | int ret; |
47 | struct acp_pdm *machine = NULL; |
48 | struct snd_soc_card *card; |
49 | |
50 | card = &acp_card; |
51 | acp_card.dev = &pdev->dev; |
52 | |
53 | platform_set_drvdata(pdev, data: card); |
54 | snd_soc_card_set_drvdata(card, data: machine); |
55 | ret = devm_snd_soc_register_card(dev: &pdev->dev, card); |
56 | if (ret) { |
57 | return dev_err_probe(dev: &pdev->dev, err: ret, |
58 | fmt: "snd_soc_register_card(%s) failed\n" , |
59 | card->name); |
60 | } |
61 | return 0; |
62 | } |
63 | |
64 | static struct platform_driver acp_mach_driver = { |
65 | .driver = { |
66 | .name = "acp_pdm_mach" , |
67 | .pm = &snd_soc_pm_ops, |
68 | }, |
69 | .probe = acp_probe, |
70 | }; |
71 | |
72 | module_platform_driver(acp_mach_driver); |
73 | |
74 | MODULE_AUTHOR("Vijendar.Mukunda@amd.com" ); |
75 | MODULE_LICENSE("GPL v2" ); |
76 | MODULE_ALIAS("platform:" DRV_NAME); |
77 | |