1e39acc4cSCezary Rojewski // SPDX-License-Identifier: GPL-2.0-only
2e39acc4cSCezary Rojewski //
3*94001147SPierre-Louis Bossart // Copyright(c) 2021-2022 Intel Corporation
4e39acc4cSCezary Rojewski //
5e39acc4cSCezary Rojewski // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6e39acc4cSCezary Rojewski // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7e39acc4cSCezary Rojewski //
8e39acc4cSCezary Rojewski
9e39acc4cSCezary Rojewski #include <linux/module.h>
10e39acc4cSCezary Rojewski #include <sound/pcm.h>
11e39acc4cSCezary Rojewski #include <sound/pcm_params.h>
12e39acc4cSCezary Rojewski #include <sound/soc.h>
13e39acc4cSCezary Rojewski #include <sound/soc-acpi.h>
14e39acc4cSCezary Rojewski #include <sound/soc-dapm.h>
15d3decc19SAmadeusz Sławiński #include "../utils.h"
16e39acc4cSCezary Rojewski
avs_create_dai_link(struct device * dev,const char * platform_name,int ssp_port,int tdm_slot,struct snd_soc_dai_link ** dai_link)17e39acc4cSCezary Rojewski static int avs_create_dai_link(struct device *dev, const char *platform_name, int ssp_port,
18d3decc19SAmadeusz Sławiński int tdm_slot, struct snd_soc_dai_link **dai_link)
19e39acc4cSCezary Rojewski {
20e39acc4cSCezary Rojewski struct snd_soc_dai_link_component *platform;
21e39acc4cSCezary Rojewski struct snd_soc_dai_link *dl;
22e39acc4cSCezary Rojewski
23e39acc4cSCezary Rojewski dl = devm_kzalloc(dev, sizeof(*dl), GFP_KERNEL);
24e39acc4cSCezary Rojewski platform = devm_kzalloc(dev, sizeof(*platform), GFP_KERNEL);
25e39acc4cSCezary Rojewski if (!dl || !platform)
26e39acc4cSCezary Rojewski return -ENOMEM;
27e39acc4cSCezary Rojewski
28e39acc4cSCezary Rojewski platform->name = platform_name;
29e39acc4cSCezary Rojewski
30d3decc19SAmadeusz Sławiński dl->name = devm_kasprintf(dev, GFP_KERNEL,
31d3decc19SAmadeusz Sławiński AVS_STRING_FMT("SSP", "-Codec", ssp_port, tdm_slot));
32e39acc4cSCezary Rojewski dl->cpus = devm_kzalloc(dev, sizeof(*dl->cpus), GFP_KERNEL);
3382528f31SKuninori Morimoto if (!dl->name || !dl->cpus)
34e39acc4cSCezary Rojewski return -ENOMEM;
35e39acc4cSCezary Rojewski
36d3decc19SAmadeusz Sławiński dl->cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
37d3decc19SAmadeusz Sławiński AVS_STRING_FMT("SSP", " Pin", ssp_port, tdm_slot));
385d2d1a48SKuninori Morimoto dl->codecs = &snd_soc_dummy_dlc;
39e39acc4cSCezary Rojewski if (!dl->cpus->dai_name || !dl->codecs->name || !dl->codecs->dai_name)
40e39acc4cSCezary Rojewski return -ENOMEM;
41e39acc4cSCezary Rojewski
42e39acc4cSCezary Rojewski dl->num_cpus = 1;
43e39acc4cSCezary Rojewski dl->num_codecs = 1;
44e39acc4cSCezary Rojewski dl->platforms = platform;
45e39acc4cSCezary Rojewski dl->num_platforms = 1;
46e39acc4cSCezary Rojewski dl->id = 0;
47e39acc4cSCezary Rojewski dl->nonatomic = 1;
48e39acc4cSCezary Rojewski dl->no_pcm = 1;
49e39acc4cSCezary Rojewski dl->dpcm_capture = 1;
50e39acc4cSCezary Rojewski dl->dpcm_playback = 1;
51e39acc4cSCezary Rojewski
52e39acc4cSCezary Rojewski *dai_link = dl;
53e39acc4cSCezary Rojewski
54e39acc4cSCezary Rojewski return 0;
55e39acc4cSCezary Rojewski }
56e39acc4cSCezary Rojewski
avs_i2s_test_probe(struct platform_device * pdev)57e39acc4cSCezary Rojewski static int avs_i2s_test_probe(struct platform_device *pdev)
58e39acc4cSCezary Rojewski {
59e39acc4cSCezary Rojewski struct snd_soc_dai_link *dai_link;
60e39acc4cSCezary Rojewski struct snd_soc_acpi_mach *mach;
61e39acc4cSCezary Rojewski struct snd_soc_card *card;
62e39acc4cSCezary Rojewski struct device *dev = &pdev->dev;
63e39acc4cSCezary Rojewski const char *pname;
64d3decc19SAmadeusz Sławiński int ssp_port, tdm_slot, ret;
65e39acc4cSCezary Rojewski
66e39acc4cSCezary Rojewski mach = dev_get_platdata(dev);
67e39acc4cSCezary Rojewski pname = mach->mach_params.platform;
68d3decc19SAmadeusz Sławiński
69d3decc19SAmadeusz Sławiński if (!avs_mach_singular_ssp(mach)) {
70d3decc19SAmadeusz Sławiński dev_err(dev, "Invalid SSP configuration\n");
71d3decc19SAmadeusz Sławiński return -EINVAL;
72d3decc19SAmadeusz Sławiński }
73d3decc19SAmadeusz Sławiński ssp_port = avs_mach_ssp_port(mach);
74d3decc19SAmadeusz Sławiński
75d3decc19SAmadeusz Sławiński if (!avs_mach_singular_tdm(mach, ssp_port)) {
76d3decc19SAmadeusz Sławiński dev_err(dev, "Invalid TDM configuration\n");
77d3decc19SAmadeusz Sławiński return -EINVAL;
78d3decc19SAmadeusz Sławiński }
79d3decc19SAmadeusz Sławiński tdm_slot = avs_mach_ssp_tdm(mach, ssp_port);
80e39acc4cSCezary Rojewski
81e39acc4cSCezary Rojewski card = devm_kzalloc(dev, sizeof(*card), GFP_KERNEL);
82e39acc4cSCezary Rojewski if (!card)
83e39acc4cSCezary Rojewski return -ENOMEM;
84e39acc4cSCezary Rojewski
85d3decc19SAmadeusz Sławiński card->name = devm_kasprintf(dev, GFP_KERNEL,
86d3decc19SAmadeusz Sławiński AVS_STRING_FMT("ssp", "-loopback", ssp_port, tdm_slot));
87e39acc4cSCezary Rojewski if (!card->name)
88e39acc4cSCezary Rojewski return -ENOMEM;
89e39acc4cSCezary Rojewski
90d3decc19SAmadeusz Sławiński ret = avs_create_dai_link(dev, pname, ssp_port, tdm_slot, &dai_link);
91e39acc4cSCezary Rojewski if (ret) {
92e39acc4cSCezary Rojewski dev_err(dev, "Failed to create dai link: %d\n", ret);
93e39acc4cSCezary Rojewski return ret;
94e39acc4cSCezary Rojewski }
95e39acc4cSCezary Rojewski
96e39acc4cSCezary Rojewski card->dev = dev;
97e39acc4cSCezary Rojewski card->owner = THIS_MODULE;
98e39acc4cSCezary Rojewski card->dai_link = dai_link;
99e39acc4cSCezary Rojewski card->num_links = 1;
100e39acc4cSCezary Rojewski card->fully_routed = true;
101e39acc4cSCezary Rojewski
102e39acc4cSCezary Rojewski ret = snd_soc_fixup_dai_links_platform_name(card, pname);
103e39acc4cSCezary Rojewski if (ret)
104e39acc4cSCezary Rojewski return ret;
105e39acc4cSCezary Rojewski
106e39acc4cSCezary Rojewski return devm_snd_soc_register_card(dev, card);
107e39acc4cSCezary Rojewski }
108e39acc4cSCezary Rojewski
1098267213cSAmadeusz Sławiński static const struct platform_device_id avs_i2s_test_driver_ids[] = {
1108267213cSAmadeusz Sławiński {
1118267213cSAmadeusz Sławiński .name = "avs_i2s_test",
1128267213cSAmadeusz Sławiński },
1138267213cSAmadeusz Sławiński {},
1148267213cSAmadeusz Sławiński };
1158267213cSAmadeusz Sławiński MODULE_DEVICE_TABLE(platform, avs_i2s_test_driver_ids);
1168267213cSAmadeusz Sławiński
117e39acc4cSCezary Rojewski static struct platform_driver avs_i2s_test_driver = {
118e39acc4cSCezary Rojewski .probe = avs_i2s_test_probe,
119e39acc4cSCezary Rojewski .driver = {
120e39acc4cSCezary Rojewski .name = "avs_i2s_test",
121e39acc4cSCezary Rojewski .pm = &snd_soc_pm_ops,
122e39acc4cSCezary Rojewski },
1238267213cSAmadeusz Sławiński .id_table = avs_i2s_test_driver_ids,
124e39acc4cSCezary Rojewski };
125e39acc4cSCezary Rojewski
126e39acc4cSCezary Rojewski module_platform_driver(avs_i2s_test_driver);
127e39acc4cSCezary Rojewski
128d619b0b7SAmadeusz Sławiński MODULE_DESCRIPTION("Intel i2s test machine driver");
129e39acc4cSCezary Rojewski MODULE_LICENSE("GPL");
130