1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Machine driver for AMD Yellow Carp platform using DMIC
4 *
5 * Copyright 2021 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 "acp6x.h"
17
18 #define DRV_NAME "acp_yc_mach"
19
20 SND_SOC_DAILINK_DEF(acp6x_pdm,
21 DAILINK_COMP_ARRAY(COMP_CPU("acp_yc_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_yc_pdm_dma.0")));
29
30 static struct snd_soc_dai_link acp6x_dai_pdm[] = {
31 {
32 .name = "acp6x-dmic-capture",
33 .stream_name = "DMIC capture",
34 .capture_only = 1,
35 SND_SOC_DAILINK_REG(acp6x_pdm, dmic_codec, pdm_platform),
36 },
37 };
38
39 static struct snd_soc_card acp6x_card = {
40 .name = "acp6x",
41 .owner = THIS_MODULE,
42 .dai_link = acp6x_dai_pdm,
43 .num_links = 1,
44 };
45
46 static const struct dmi_system_id yc_acp_quirk_table[] = {
47 {
48 .matches = {
49 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
50 DMI_MATCH(DMI_PRODUCT_NAME, "21D2"),
51 }
52 },
53 {
54 .matches = {
55 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
56 DMI_MATCH(DMI_PRODUCT_NAME, "21D3"),
57 }
58 },
59 {
60 .matches = {
61 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
62 DMI_MATCH(DMI_PRODUCT_NAME, "21D4"),
63 }
64 },
65 {
66 .matches = {
67 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
68 DMI_MATCH(DMI_PRODUCT_NAME, "21D5"),
69 }
70 },
71 {
72 .matches = {
73 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
74 DMI_MATCH(DMI_PRODUCT_NAME, "21CF"),
75 }
76 },
77 {
78 .matches = {
79 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
80 DMI_MATCH(DMI_PRODUCT_NAME, "21CG"),
81 }
82 },
83 {
84 .matches = {
85 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
86 DMI_MATCH(DMI_PRODUCT_NAME, "21CQ"),
87 }
88 },
89 {
90 .matches = {
91 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
92 DMI_MATCH(DMI_PRODUCT_NAME, "21CR"),
93 }
94 },
95 {
96 .matches = {
97 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
98 DMI_MATCH(DMI_PRODUCT_NAME, "21AW"),
99 }
100 },
101 {
102 .matches = {
103 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
104 DMI_MATCH(DMI_PRODUCT_NAME, "21AX"),
105 }
106 },
107 {
108 .matches = {
109 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
110 DMI_MATCH(DMI_PRODUCT_NAME, "21BN"),
111 }
112 },
113 {
114 .matches = {
115 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
116 DMI_MATCH(DMI_PRODUCT_NAME, "21BQ"),
117 }
118 },
119 {
120 .matches = {
121 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
122 DMI_MATCH(DMI_PRODUCT_NAME, "21CH"),
123 }
124 },
125 {
126 .matches = {
127 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
128 DMI_MATCH(DMI_PRODUCT_NAME, "21CJ"),
129 }
130 },
131 {
132 .matches = {
133 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
134 DMI_MATCH(DMI_PRODUCT_NAME, "21CK"),
135 }
136 },
137 {
138 .matches = {
139 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
140 DMI_MATCH(DMI_PRODUCT_NAME, "21CL"),
141 }
142 },
143 {
144 .matches = {
145 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
146 DMI_MATCH(DMI_PRODUCT_NAME, "21D8"),
147 }
148 },
149 {
150 .matches = {
151 DMI_MATCH(DMI_BOARD_VENDOR, "LENOVO"),
152 DMI_MATCH(DMI_PRODUCT_NAME, "21D9"),
153 }
154 },
155 {}
156 };
157
acp6x_probe(struct platform_device * pdev)158 static int acp6x_probe(struct platform_device *pdev)
159 {
160 struct acp6x_pdm *machine = NULL;
161 struct snd_soc_card *card;
162 int ret;
163 const struct dmi_system_id *dmi_id;
164
165 dmi_id = dmi_first_match(yc_acp_quirk_table);
166 if (!dmi_id)
167 return -ENODEV;
168 card = &acp6x_card;
169 acp6x_card.dev = &pdev->dev;
170
171 platform_set_drvdata(pdev, card);
172 snd_soc_card_set_drvdata(card, machine);
173 ret = devm_snd_soc_register_card(&pdev->dev, card);
174 if (ret) {
175 return dev_err_probe(&pdev->dev, ret,
176 "snd_soc_register_card(%s) failed\n",
177 card->name);
178 }
179 return 0;
180 }
181
182 static struct platform_driver acp6x_mach_driver = {
183 .driver = {
184 .name = "acp_yc_mach",
185 .pm = &snd_soc_pm_ops,
186 },
187 .probe = acp6x_probe,
188 };
189
190 module_platform_driver(acp6x_mach_driver);
191
192 MODULE_AUTHOR("Vijendar.Mukunda@amd.com");
193 MODULE_LICENSE("GPL v2");
194 MODULE_ALIAS("platform:" DRV_NAME);
195