1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // mt6797-mt6351.c -- MT6797 MT6351 ALSA SoC machine driver
4 //
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <[email protected]>
7
8 #include <linux/module.h>
9 #include <sound/soc.h>
10
11 #include "mt6797-afe-common.h"
12
13 SND_SOC_DAILINK_DEFS(playback_1,
14 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
15 DAILINK_COMP_ARRAY(COMP_DUMMY()),
16 DAILINK_COMP_ARRAY(COMP_EMPTY()));
17
18 SND_SOC_DAILINK_DEFS(playback_2,
19 DAILINK_COMP_ARRAY(COMP_CPU("DL2")),
20 DAILINK_COMP_ARRAY(COMP_DUMMY()),
21 DAILINK_COMP_ARRAY(COMP_EMPTY()));
22
23 SND_SOC_DAILINK_DEFS(playback_3,
24 DAILINK_COMP_ARRAY(COMP_CPU("DL3")),
25 DAILINK_COMP_ARRAY(COMP_DUMMY()),
26 DAILINK_COMP_ARRAY(COMP_EMPTY()));
27
28 SND_SOC_DAILINK_DEFS(capture_1,
29 DAILINK_COMP_ARRAY(COMP_CPU("UL1")),
30 DAILINK_COMP_ARRAY(COMP_DUMMY()),
31 DAILINK_COMP_ARRAY(COMP_EMPTY()));
32
33 SND_SOC_DAILINK_DEFS(capture_2,
34 DAILINK_COMP_ARRAY(COMP_CPU("UL2")),
35 DAILINK_COMP_ARRAY(COMP_DUMMY()),
36 DAILINK_COMP_ARRAY(COMP_EMPTY()));
37
38 SND_SOC_DAILINK_DEFS(capture_3,
39 DAILINK_COMP_ARRAY(COMP_CPU("UL3")),
40 DAILINK_COMP_ARRAY(COMP_DUMMY()),
41 DAILINK_COMP_ARRAY(COMP_EMPTY()));
42
43 SND_SOC_DAILINK_DEFS(capture_mono_1,
44 DAILINK_COMP_ARRAY(COMP_CPU("UL_MONO_1")),
45 DAILINK_COMP_ARRAY(COMP_DUMMY()),
46 DAILINK_COMP_ARRAY(COMP_EMPTY()));
47
48 SND_SOC_DAILINK_DEFS(hostless_lpbk,
49 DAILINK_COMP_ARRAY(COMP_CPU("Hostless LPBK DAI")),
50 DAILINK_COMP_ARRAY(COMP_DUMMY()),
51 DAILINK_COMP_ARRAY(COMP_EMPTY()));
52
53 SND_SOC_DAILINK_DEFS(hostless_speech,
54 DAILINK_COMP_ARRAY(COMP_CPU("Hostless Speech DAI")),
55 DAILINK_COMP_ARRAY(COMP_DUMMY()),
56 DAILINK_COMP_ARRAY(COMP_EMPTY()));
57
58 SND_SOC_DAILINK_DEFS(primary_codec,
59 DAILINK_COMP_ARRAY(COMP_CPU("ADDA")),
60 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "mt6351-snd-codec-aif1")),
61 DAILINK_COMP_ARRAY(COMP_EMPTY()));
62
63 SND_SOC_DAILINK_DEFS(pcm1,
64 DAILINK_COMP_ARRAY(COMP_CPU("PCM 1")),
65 DAILINK_COMP_ARRAY(COMP_DUMMY()),
66 DAILINK_COMP_ARRAY(COMP_EMPTY()));
67
68 SND_SOC_DAILINK_DEFS(pcm2,
69 DAILINK_COMP_ARRAY(COMP_CPU("PCM 2")),
70 DAILINK_COMP_ARRAY(COMP_DUMMY()),
71 DAILINK_COMP_ARRAY(COMP_EMPTY()));
72
73 static struct snd_soc_dai_link mt6797_mt6351_dai_links[] = {
74 /* FE */
75 {
76 .name = "Playback_1",
77 .stream_name = "Playback_1",
78 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
79 SND_SOC_DPCM_TRIGGER_PRE},
80 .dynamic = 1,
81 .playback_only = 1,
82 SND_SOC_DAILINK_REG(playback_1),
83 },
84 {
85 .name = "Playback_2",
86 .stream_name = "Playback_2",
87 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
88 SND_SOC_DPCM_TRIGGER_PRE},
89 .dynamic = 1,
90 .playback_only = 1,
91 SND_SOC_DAILINK_REG(playback_2),
92 },
93 {
94 .name = "Playback_3",
95 .stream_name = "Playback_3",
96 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
97 SND_SOC_DPCM_TRIGGER_PRE},
98 .dynamic = 1,
99 .playback_only = 1,
100 SND_SOC_DAILINK_REG(playback_3),
101 },
102 {
103 .name = "Capture_1",
104 .stream_name = "Capture_1",
105 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
106 SND_SOC_DPCM_TRIGGER_PRE},
107 .dynamic = 1,
108 .capture_only = 1,
109 SND_SOC_DAILINK_REG(capture_1),
110 },
111 {
112 .name = "Capture_2",
113 .stream_name = "Capture_2",
114 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
115 SND_SOC_DPCM_TRIGGER_PRE},
116 .dynamic = 1,
117 .capture_only = 1,
118 SND_SOC_DAILINK_REG(capture_2),
119 },
120 {
121 .name = "Capture_3",
122 .stream_name = "Capture_3",
123 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
124 SND_SOC_DPCM_TRIGGER_PRE},
125 .dynamic = 1,
126 .capture_only = 1,
127 SND_SOC_DAILINK_REG(capture_3),
128 },
129 {
130 .name = "Capture_Mono_1",
131 .stream_name = "Capture_Mono_1",
132 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
133 SND_SOC_DPCM_TRIGGER_PRE},
134 .dynamic = 1,
135 .capture_only = 1,
136 SND_SOC_DAILINK_REG(capture_mono_1),
137 },
138 {
139 .name = "Hostless_LPBK",
140 .stream_name = "Hostless_LPBK",
141 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
142 SND_SOC_DPCM_TRIGGER_PRE},
143 .dynamic = 1,
144 .ignore_suspend = 1,
145 SND_SOC_DAILINK_REG(hostless_lpbk),
146 },
147 {
148 .name = "Hostless_Speech",
149 .stream_name = "Hostless_Speech",
150 .trigger = {SND_SOC_DPCM_TRIGGER_PRE,
151 SND_SOC_DPCM_TRIGGER_PRE},
152 .dynamic = 1,
153 .ignore_suspend = 1,
154 SND_SOC_DAILINK_REG(hostless_speech),
155 },
156 /* BE */
157 {
158 .name = "Primary Codec",
159 .no_pcm = 1,
160 .ignore_suspend = 1,
161 SND_SOC_DAILINK_REG(primary_codec),
162 },
163 {
164 .name = "PCM 1",
165 .no_pcm = 1,
166 .ignore_suspend = 1,
167 SND_SOC_DAILINK_REG(pcm1),
168 },
169 {
170 .name = "PCM 2",
171 .no_pcm = 1,
172 .ignore_suspend = 1,
173 SND_SOC_DAILINK_REG(pcm2),
174 },
175 };
176
177 static struct snd_soc_card mt6797_mt6351_card = {
178 .name = "mt6797-mt6351",
179 .owner = THIS_MODULE,
180 .dai_link = mt6797_mt6351_dai_links,
181 .num_links = ARRAY_SIZE(mt6797_mt6351_dai_links),
182 };
183
mt6797_mt6351_dev_probe(struct platform_device * pdev)184 static int mt6797_mt6351_dev_probe(struct platform_device *pdev)
185 {
186 struct snd_soc_card *card = &mt6797_mt6351_card;
187 struct device_node *platform_node, *codec_node;
188 struct snd_soc_dai_link *dai_link;
189 int ret, i;
190
191 card->dev = &pdev->dev;
192
193 platform_node = of_parse_phandle(pdev->dev.of_node,
194 "mediatek,platform", 0);
195 if (!platform_node) {
196 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
197 return -EINVAL;
198 }
199 for_each_card_prelinks(card, i, dai_link) {
200 if (dai_link->platforms->name)
201 continue;
202 dai_link->platforms->of_node = platform_node;
203 }
204
205 codec_node = of_parse_phandle(pdev->dev.of_node,
206 "mediatek,audio-codec", 0);
207 if (!codec_node) {
208 dev_err(&pdev->dev,
209 "Property 'audio-codec' missing or invalid\n");
210 ret = -EINVAL;
211 goto put_platform_node;
212 }
213 for_each_card_prelinks(card, i, dai_link) {
214 if (dai_link->codecs->name)
215 continue;
216 dai_link->codecs->of_node = codec_node;
217 }
218
219 ret = devm_snd_soc_register_card(&pdev->dev, card);
220 if (ret)
221 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
222 __func__, ret);
223
224 of_node_put(codec_node);
225 put_platform_node:
226 of_node_put(platform_node);
227 return ret;
228 }
229
230 #ifdef CONFIG_OF
231 static const struct of_device_id mt6797_mt6351_dt_match[] = {
232 {.compatible = "mediatek,mt6797-mt6351-sound",},
233 {}
234 };
235 MODULE_DEVICE_TABLE(of, mt6797_mt6351_dt_match);
236 #endif
237
238 static struct platform_driver mt6797_mt6351_driver = {
239 .driver = {
240 .name = "mt6797-mt6351",
241 #ifdef CONFIG_OF
242 .of_match_table = mt6797_mt6351_dt_match,
243 #endif
244 },
245 .probe = mt6797_mt6351_dev_probe,
246 };
247
248 module_platform_driver(mt6797_mt6351_driver);
249
250 /* Module information */
251 MODULE_DESCRIPTION("MT6797 MT6351 ALSA SoC machine driver");
252 MODULE_AUTHOR("KaiChieh Chuang <[email protected]>");
253 MODULE_LICENSE("GPL v2");
254 MODULE_ALIAS("mt6797 mt6351 soc card");
255
256