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 <sound/soc.h>
11 #include <sound/jack.h>
12 #include "../../codecs/rt5645.h"
13
14 #define MCLK_FOR_CODECS 12288000
15
16 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = {
17 SND_SOC_DAPM_SPK("Speaker", NULL),
18 SND_SOC_DAPM_MIC("Int Mic", NULL),
19 SND_SOC_DAPM_HP("Headphone", NULL),
20 SND_SOC_DAPM_MIC("Headset Mic", NULL),
21 };
22
23 static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = {
24 {"Speaker", NULL, "SPOL"},
25 {"Speaker", NULL, "SPOR"},
26 {"Sub DMIC1L", NULL, "Int Mic"},
27 {"Sub DMIC1R", NULL, "Int Mic"},
28 {"Headphone", NULL, "HPOL"},
29 {"Headphone", NULL, "HPOR"},
30 {"IN1P", NULL, "Headset Mic"},
31 {"IN1N", NULL, "Headset Mic"},
32 };
33
34 static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = {
35 SOC_DAPM_PIN_SWITCH("Speaker"),
36 SOC_DAPM_PIN_SWITCH("Int Mic"),
37 SOC_DAPM_PIN_SWITCH("Headphone"),
38 SOC_DAPM_PIN_SWITCH("Headset Mic"),
39 };
40
41 static struct snd_soc_jack_pin mt8173_rt5650_rt5514_jack_pins[] = {
42 {
43 .pin = "Headphone",
44 .mask = SND_JACK_HEADPHONE,
45 },
46 {
47 .pin = "Headset Mic",
48 .mask = SND_JACK_MICROPHONE,
49 },
50 };
51
mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)52 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
53 struct snd_pcm_hw_params *params)
54 {
55 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
56 struct snd_soc_dai *codec_dai;
57 int i, ret;
58
59 for_each_rtd_codec_dais(rtd, i, codec_dai) {
60 /* pll from mclk 12.288M */
61 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
62 params_rate(params) * 512);
63 if (ret)
64 return ret;
65
66 /* sysclk from pll */
67 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
68 params_rate(params) * 512,
69 SND_SOC_CLOCK_IN);
70 if (ret)
71 return ret;
72 }
73 return 0;
74 }
75
76 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
77 .hw_params = mt8173_rt5650_rt5514_hw_params,
78 };
79
80 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
81
mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime * runtime)82 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
83 {
84 struct snd_soc_card *card = runtime->card;
85 struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
86 int ret;
87
88 rt5645_sel_asrc_clk_src(component,
89 RT5645_DA_STEREO_FILTER |
90 RT5645_AD_STEREO_FILTER,
91 RT5645_CLK_SEL_I2S1_ASRC);
92
93 /* enable jack detection */
94 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
95 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
96 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
97 SND_JACK_BTN_2 | SND_JACK_BTN_3,
98 &mt8173_rt5650_rt5514_jack,
99 mt8173_rt5650_rt5514_jack_pins,
100 ARRAY_SIZE(mt8173_rt5650_rt5514_jack_pins));
101 if (ret) {
102 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
103 return ret;
104 }
105
106 return rt5645_set_jack_detect(component,
107 &mt8173_rt5650_rt5514_jack,
108 &mt8173_rt5650_rt5514_jack,
109 &mt8173_rt5650_rt5514_jack);
110 }
111
112 enum {
113 DAI_LINK_PLAYBACK,
114 DAI_LINK_CAPTURE,
115 DAI_LINK_CODEC_I2S,
116 };
117
118 SND_SOC_DAILINK_DEFS(playback,
119 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
120 DAILINK_COMP_ARRAY(COMP_DUMMY()),
121 DAILINK_COMP_ARRAY(COMP_EMPTY()));
122
123 SND_SOC_DAILINK_DEFS(capture,
124 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
125 DAILINK_COMP_ARRAY(COMP_DUMMY()),
126 DAILINK_COMP_ARRAY(COMP_EMPTY()));
127
128 SND_SOC_DAILINK_DEFS(codec,
129 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
130 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
131 COMP_CODEC(NULL, "rt5514-aif1")),
132 DAILINK_COMP_ARRAY(COMP_EMPTY()));
133
134 /* Digital audio interface glue - connects codec <---> CPU */
135 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
136 /* Front End DAI links */
137 [DAI_LINK_PLAYBACK] = {
138 .name = "rt5650_rt5514 Playback",
139 .stream_name = "rt5650_rt5514 Playback",
140 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
141 .dynamic = 1,
142 .dpcm_playback = 1,
143 SND_SOC_DAILINK_REG(playback),
144 },
145 [DAI_LINK_CAPTURE] = {
146 .name = "rt5650_rt5514 Capture",
147 .stream_name = "rt5650_rt5514 Capture",
148 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
149 .dynamic = 1,
150 .dpcm_capture = 1,
151 SND_SOC_DAILINK_REG(capture),
152 },
153 /* Back End DAI links */
154 [DAI_LINK_CODEC_I2S] = {
155 .name = "Codec",
156 .no_pcm = 1,
157 .init = mt8173_rt5650_rt5514_init,
158 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
159 SND_SOC_DAIFMT_CBS_CFS,
160 .ops = &mt8173_rt5650_rt5514_ops,
161 .ignore_pmdown_time = 1,
162 .dpcm_playback = 1,
163 .dpcm_capture = 1,
164 SND_SOC_DAILINK_REG(codec),
165 },
166 };
167
168 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
169 {
170 .name_prefix = "Sub",
171 },
172 };
173
174 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
175 .name = "mtk-rt5650-rt5514",
176 .owner = THIS_MODULE,
177 .dai_link = mt8173_rt5650_rt5514_dais,
178 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
179 .codec_conf = mt8173_rt5650_rt5514_codec_conf,
180 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
181 .controls = mt8173_rt5650_rt5514_controls,
182 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
183 .dapm_widgets = mt8173_rt5650_rt5514_widgets,
184 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
185 .dapm_routes = mt8173_rt5650_rt5514_routes,
186 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
187 };
188
mt8173_rt5650_rt5514_dev_probe(struct platform_device * pdev)189 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
190 {
191 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
192 struct device_node *platform_node;
193 struct snd_soc_dai_link *dai_link;
194 int i, ret;
195
196 platform_node = of_parse_phandle(pdev->dev.of_node,
197 "mediatek,platform", 0);
198 if (!platform_node) {
199 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
200 return -EINVAL;
201 }
202
203 for_each_card_prelinks(card, i, dai_link) {
204 if (dai_link->platforms->name)
205 continue;
206 dai_link->platforms->of_node = platform_node;
207 }
208
209 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
210 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
211 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
212 dev_err(&pdev->dev,
213 "Property 'audio-codec' missing or invalid\n");
214 ret = -EINVAL;
215 goto out;
216 }
217 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
218 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
219 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
220 dev_err(&pdev->dev,
221 "Property 'audio-codec' missing or invalid\n");
222 ret = -EINVAL;
223 goto out;
224 }
225 mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node =
226 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
227
228 card->dev = &pdev->dev;
229
230 ret = devm_snd_soc_register_card(&pdev->dev, card);
231
232 out:
233 of_node_put(platform_node);
234 return ret;
235 }
236
237 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
238 { .compatible = "mediatek,mt8173-rt5650-rt5514", },
239 { }
240 };
241 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
242
243 static struct platform_driver mt8173_rt5650_rt5514_driver = {
244 .driver = {
245 .name = "mtk-rt5650-rt5514",
246 .of_match_table = mt8173_rt5650_rt5514_dt_match,
247 .pm = &snd_soc_pm_ops,
248 },
249 .probe = mt8173_rt5650_rt5514_dev_probe,
250 };
251
252 module_platform_driver(mt8173_rt5650_rt5514_driver);
253
254 /* Module information */
255 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
256 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
257 MODULE_LICENSE("GPL v2");
258 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
259
260