1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * mt8173-rt5650-rt5514.c -- MT8173 machine driver with RT5650/5514 codecs
4 *
5 * Copyright (c) 2016 MediaTek Inc.
6 * Author: Koro Chen <koro.chen@mediatek.com>
7 */
8
9 #include <linux/module.h>
10 #include <linux/gpio.h>
11 #include <linux/of_gpio.h>
12 #include <sound/soc.h>
13 #include <sound/jack.h>
14 #include "../../codecs/rt5645.h"
15
16 #define MCLK_FOR_CODECS 12288000
17
18 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
19 SND_SOC_DAPM_SPK("Speaker", NULL),
20 SND_SOC_DAPM_MIC("Int Mic", NULL),
21 SND_SOC_DAPM_HP("Headphone", NULL),
22 SND_SOC_DAPM_MIC("Headset Mic", NULL),
23 };
24
25 static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
26 {"Speaker", NULL, "SPOL"},
27 {"Speaker", NULL, "SPOR"},
28 {"Sub DMIC1L", NULL, "Int Mic"},
29 {"Sub DMIC1R", NULL, "Int Mic"},
30 {"Headphone", NULL, "HPOL"},
31 {"Headphone", NULL, "HPOR"},
32 {"IN1P", NULL, "Headset Mic"},
33 {"IN1N", NULL, "Headset Mic"},
34 };
35
36 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
37 SOC_DAPM_PIN_SWITCH("Speaker"),
38 SOC_DAPM_PIN_SWITCH("Int Mic"),
39 SOC_DAPM_PIN_SWITCH("Headphone"),
40 SOC_DAPM_PIN_SWITCH("Headset Mic"),
41 };
42
43 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
44 struct snd_pcm_hw_params *params)
45 {
46 struct snd_soc_pcm_runtime *rtd = substream->private_data;
47 struct snd_soc_dai *codec_dai;
48 int i, ret;
49
50 for_each_rtd_codec_dais(rtd, i, codec_dai) {
51 /* pll from mclk 12.288M */
52 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
53 params_rate(params) * 512);
54 if (ret)
55 return ret;
56
57 /* sysclk from pll */
58 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
59 params_rate(params) * 512,
60 SND_SOC_CLOCK_IN);
61 if (ret)
62 return ret;
63 }
64 return 0;
65 }
66
67 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
68 .hw_params = mt8173_rt5650_rt5514_hw_params,
69 };
70
71 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
72
73 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
74 {
75 struct snd_soc_card *card = runtime->card;
76 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
77 int ret;
78
79 rt5645_sel_asrc_clk_src(component,
80 RT5645_DA_STEREO_FILTER |
81 RT5645_AD_STEREO_FILTER,
82 RT5645_CLK_SEL_I2S1_ASRC);
83
84 /* enable jack detection */
85 ret = snd_soc_card_jack_new(card, "Headset Jack",
86 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
87 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
88 SND_JACK_BTN_2 | SND_JACK_BTN_3,
89 &mt8173_rt5650_rt5514_jack, NULL, 0);
90 if (ret) {
91 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
92 return ret;
93 }
94
95 return rt5645_set_jack_detect(component,
96 &mt8173_rt5650_rt5514_jack,
97 &mt8173_rt5650_rt5514_jack,
98 &mt8173_rt5650_rt5514_jack);
99 }
100
101 enum {
102 DAI_LINK_PLAYBACK,
103 DAI_LINK_CAPTURE,
104 DAI_LINK_CODEC_I2S,
105 };
106
107 SND_SOC_DAILINK_DEFS(playback,
108 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
109 DAILINK_COMP_ARRAY(COMP_DUMMY()),
110 DAILINK_COMP_ARRAY(COMP_EMPTY()));
111
112 SND_SOC_DAILINK_DEFS(capture,
113 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
114 DAILINK_COMP_ARRAY(COMP_DUMMY()),
115 DAILINK_COMP_ARRAY(COMP_EMPTY()));
116
117 SND_SOC_DAILINK_DEFS(codec,
118 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
119 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
120 COMP_CODEC(NULL, "rt5514-aif1")),
121 DAILINK_COMP_ARRAY(COMP_EMPTY()));
122
123 /* Digital audio interface glue - connects codec <---> CPU */
124 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
125 /* Front End DAI links */
126 [DAI_LINK_PLAYBACK] = {
127 .name = "rt5650_rt5514 Playback",
128 .stream_name = "rt5650_rt5514 Playback",
129 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
130 .dynamic = 1,
131 .dpcm_playback = 1,
132 SND_SOC_DAILINK_REG(playback),
133 },
134 [DAI_LINK_CAPTURE] = {
135 .name = "rt5650_rt5514 Capture",
136 .stream_name = "rt5650_rt5514 Capture",
137 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
138 .dynamic = 1,
139 .dpcm_capture = 1,
140 SND_SOC_DAILINK_REG(capture),
141 },
142 /* Back End DAI links */
143 [DAI_LINK_CODEC_I2S] = {
144 .name = "Codec",
145 .no_pcm = 1,
146 .init = mt8173_rt5650_rt5514_init,
147 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
148 SND_SOC_DAIFMT_CBS_CFS,
149 .ops = &mt8173_rt5650_rt5514_ops,
150 .ignore_pmdown_time = 1,
151 .dpcm_playback = 1,
152 .dpcm_capture = 1,
153 SND_SOC_DAILINK_REG(codec),
154 },
155 };
156
157 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
158 {
159 .name_prefix = "Sub",
160 },
161 };
162
163 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
164 .name = "mtk-rt5650-rt5514",
165 .owner = THIS_MODULE,
166 .dai_link = mt8173_rt5650_rt5514_dais,
167 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
168 .codec_conf = mt8173_rt5650_rt5514_codec_conf,
169 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
170 .controls = mt8173_rt5650_rt5514_controls,
171 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
172 .dapm_widgets = mt8173_rt5650_rt5514_widgets,
173 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
174 .dapm_routes = mt8173_rt5650_rt5514_routes,
175 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
176 };
177
178 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
179 {
180 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
181 struct device_node *platform_node;
182 struct snd_soc_dai_link *dai_link;
183 int i, ret;
184
185 platform_node = of_parse_phandle(pdev->dev.of_node,
186 "mediatek,platform", 0);
187 if (!platform_node) {
188 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
189 return -EINVAL;
190 }
191
192 for_each_card_prelinks(card, i, dai_link) {
193 if (dai_link->platforms->name)
194 continue;
195 dai_link->platforms->of_node = platform_node;
196 }
197
198 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
199 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
200 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
201 dev_err(&pdev->dev,
202 "Property 'audio-codec' missing or invalid\n");
203 return -EINVAL;
204 }
205 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
206 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
207 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
208 dev_err(&pdev->dev,
209 "Property 'audio-codec' missing or invalid\n");
210 return -EINVAL;
211 }
212 mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node =
213 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
214
215 card->dev = &pdev->dev;
216
217 ret = devm_snd_soc_register_card(&pdev->dev, card);
218 if (ret)
219 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
220 __func__, ret);
221 return ret;
222 }
223
224 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
225 { .compatible = "mediatek,mt8173-rt5650-rt5514", },
226 { }
227 };
228 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
229
230 static struct platform_driver mt8173_rt5650_rt5514_driver = {
231 .driver = {
232 .name = "mtk-rt5650-rt5514",
233 .of_match_table = mt8173_rt5650_rt5514_dt_match,
234 #ifdef CONFIG_PM
235 .pm = &snd_soc_pm_ops,
236 #endif
237 },
238 .probe = mt8173_rt5650_rt5514_dev_probe,
239 };
240
241 module_platform_driver(mt8173_rt5650_rt5514_driver);
242
243 /* Module information */
244 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
245 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
246 MODULE_LICENSE("GPL v2");
247 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
248
249
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