1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0+
2*4882a593Smuzhiyun //
3*4882a593Smuzhiyun // Machine driver for AMD Renoir platform using DMIC
4*4882a593Smuzhiyun //
5*4882a593Smuzhiyun //Copyright 2020 Advanced Micro Devices, Inc.
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <sound/soc.h>
8*4882a593Smuzhiyun #include <sound/soc-dapm.h>
9*4882a593Smuzhiyun #include <linux/module.h>
10*4882a593Smuzhiyun #include <sound/pcm.h>
11*4882a593Smuzhiyun #include <sound/pcm_params.h>
12*4882a593Smuzhiyun #include <linux/io.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun #include "rn_acp3x.h"
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun #define DRV_NAME "acp_pdm_mach"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun SND_SOC_DAILINK_DEF(acp_pdm,
19*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("acp_rn_pdm_dma.0")));
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun SND_SOC_DAILINK_DEF(dmic_codec,
22*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec.0",
23*4882a593Smuzhiyun "dmic-hifi")));
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun SND_SOC_DAILINK_DEF(platform,
26*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("acp_rn_pdm_dma.0")));
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun static struct snd_soc_dai_link acp_dai_pdm[] = {
29*4882a593Smuzhiyun {
30*4882a593Smuzhiyun .name = "acp3x-dmic-capture",
31*4882a593Smuzhiyun .stream_name = "DMIC capture",
32*4882a593Smuzhiyun .capture_only = 1,
33*4882a593Smuzhiyun SND_SOC_DAILINK_REG(acp_pdm, dmic_codec, platform),
34*4882a593Smuzhiyun },
35*4882a593Smuzhiyun };
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun static struct snd_soc_card acp_card = {
38*4882a593Smuzhiyun .name = "acp",
39*4882a593Smuzhiyun .owner = THIS_MODULE,
40*4882a593Smuzhiyun .dai_link = acp_dai_pdm,
41*4882a593Smuzhiyun .num_links = 1,
42*4882a593Smuzhiyun };
43*4882a593Smuzhiyun
acp_probe(struct platform_device * pdev)44*4882a593Smuzhiyun static int acp_probe(struct platform_device *pdev)
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun int ret;
47*4882a593Smuzhiyun struct acp_pdm *machine = NULL;
48*4882a593Smuzhiyun struct snd_soc_card *card;
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun card = &acp_card;
51*4882a593Smuzhiyun acp_card.dev = &pdev->dev;
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun platform_set_drvdata(pdev, card);
54*4882a593Smuzhiyun snd_soc_card_set_drvdata(card, machine);
55*4882a593Smuzhiyun ret = devm_snd_soc_register_card(&pdev->dev, card);
56*4882a593Smuzhiyun if (ret) {
57*4882a593Smuzhiyun dev_err(&pdev->dev,
58*4882a593Smuzhiyun "snd_soc_register_card(%s) failed: %d\n",
59*4882a593Smuzhiyun acp_card.name, ret);
60*4882a593Smuzhiyun return ret;
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun return 0;
63*4882a593Smuzhiyun }
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun static struct platform_driver acp_mach_driver = {
66*4882a593Smuzhiyun .driver = {
67*4882a593Smuzhiyun .name = "acp_pdm_mach",
68*4882a593Smuzhiyun .pm = &snd_soc_pm_ops,
69*4882a593Smuzhiyun },
70*4882a593Smuzhiyun .probe = acp_probe,
71*4882a593Smuzhiyun };
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun module_platform_driver(acp_mach_driver);
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
76*4882a593Smuzhiyun MODULE_LICENSE("GPL v2");
77*4882a593Smuzhiyun MODULE_ALIAS("platform:" DRV_NAME);
78