1 // SPDX-License-Identifier: GPL-2.0
3 * mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs
5 * Copyright (c) 2015 MediaTek Inc.
6 * Author: Koro Chen <koro.chen@mediatek.com>
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 #include "../../codecs/rt5677.h"
17 #define MCLK_FOR_CODECS 12288000
19 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
20 SND_SOC_DAPM_SPK("Speaker", NULL),
21 SND_SOC_DAPM_MIC("Int Mic", NULL),
22 SND_SOC_DAPM_HP("Headphone", NULL),
23 SND_SOC_DAPM_MIC("Headset Mic", NULL),
26 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
27 {"Speaker", NULL, "SPOL"},
28 {"Speaker", NULL, "SPOR"},
29 {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
30 {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
31 {"Sub DMIC R1", NULL, "Int Mic"},
32 {"Headphone", NULL, "HPOL"},
33 {"Headphone", NULL, "HPOR"},
34 {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
35 {"IN1P", NULL, "Headset Mic"},
36 {"IN1N", NULL, "Headset Mic"},
37 {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */
40 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
41 SOC_DAPM_PIN_SWITCH("Speaker"),
42 SOC_DAPM_PIN_SWITCH("Int Mic"),
43 SOC_DAPM_PIN_SWITCH("Headphone"),
44 SOC_DAPM_PIN_SWITCH("Headset Mic"),
47 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
48 struct snd_pcm_hw_params *params)
50 struct snd_soc_pcm_runtime *rtd = substream->private_data;
53 for (i = 0; i < rtd->num_codecs; i++) {
54 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
56 /* pll from mclk 12.288M */
57 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
58 params_rate(params) * 512);
63 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
64 params_rate(params) * 512,
72 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
73 .hw_params = mt8173_rt5650_rt5676_hw_params,
76 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
78 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
80 struct snd_soc_card *card = runtime->card;
81 struct snd_soc_component *component = runtime->codec_dais[0]->component;
82 struct snd_soc_component *component_sub = runtime->codec_dais[1]->component;
85 rt5645_sel_asrc_clk_src(component,
86 RT5645_DA_STEREO_FILTER |
87 RT5645_AD_STEREO_FILTER,
88 RT5645_CLK_SEL_I2S1_ASRC);
89 rt5677_sel_asrc_clk_src(component_sub,
90 RT5677_DA_STEREO_FILTER |
91 RT5677_AD_STEREO1_FILTER,
92 RT5677_CLK_SEL_I2S1_ASRC);
93 rt5677_sel_asrc_clk_src(component_sub,
94 RT5677_AD_STEREO2_FILTER |
96 RT5677_CLK_SEL_I2S2_ASRC);
98 /* enable jack detection */
99 ret = snd_soc_card_jack_new(card, "Headset Jack",
100 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
101 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
102 SND_JACK_BTN_2 | SND_JACK_BTN_3,
103 &mt8173_rt5650_rt5676_jack, NULL, 0);
105 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
109 return rt5645_set_jack_detect(component,
110 &mt8173_rt5650_rt5676_jack,
111 &mt8173_rt5650_rt5676_jack,
112 &mt8173_rt5650_rt5676_jack);
115 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
117 .dai_name = "rt5645-aif1",
120 .dai_name = "rt5677-aif1",
133 /* Digital audio interface glue - connects codec <---> CPU */
134 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
135 /* Front End DAI links */
136 [DAI_LINK_PLAYBACK] = {
137 .name = "rt5650_rt5676 Playback",
138 .stream_name = "rt5650_rt5676 Playback",
139 .cpu_dai_name = "DL1",
140 .codec_name = "snd-soc-dummy",
141 .codec_dai_name = "snd-soc-dummy-dai",
142 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
146 [DAI_LINK_CAPTURE] = {
147 .name = "rt5650_rt5676 Capture",
148 .stream_name = "rt5650_rt5676 Capture",
149 .cpu_dai_name = "VUL",
150 .codec_name = "snd-soc-dummy",
151 .codec_dai_name = "snd-soc-dummy-dai",
152 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
158 .stream_name = "HDMI PCM",
159 .cpu_dai_name = "HDMI",
160 .codec_name = "snd-soc-dummy",
161 .codec_dai_name = "snd-soc-dummy-dai",
162 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
167 /* Back End DAI links */
168 [DAI_LINK_CODEC_I2S] = {
170 .cpu_dai_name = "I2S",
172 .codecs = mt8173_rt5650_rt5676_codecs,
174 .init = mt8173_rt5650_rt5676_init,
175 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
176 SND_SOC_DAIFMT_CBS_CFS,
177 .ops = &mt8173_rt5650_rt5676_ops,
178 .ignore_pmdown_time = 1,
182 [DAI_LINK_HDMI_I2S] = {
184 .cpu_dai_name = "HDMIO",
186 .codec_dai_name = "i2s-hifi",
189 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
190 [DAI_LINK_INTERCODEC] = {
191 .name = "rt5650_rt5676 intercodec",
192 .stream_name = "rt5650_rt5676 intercodec",
193 .cpu_dai_name = "snd-soc-dummy-dai",
194 .platform_name = "snd-soc-dummy",
196 .codec_dai_name = "rt5677-aif2",
197 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
198 SND_SOC_DAIFMT_CBM_CFM,
203 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
205 .name_prefix = "Sub",
209 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
210 .name = "mtk-rt5650-rt5676",
211 .owner = THIS_MODULE,
212 .dai_link = mt8173_rt5650_rt5676_dais,
213 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
214 .codec_conf = mt8173_rt5650_rt5676_codec_conf,
215 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
216 .controls = mt8173_rt5650_rt5676_controls,
217 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
218 .dapm_widgets = mt8173_rt5650_rt5676_widgets,
219 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
220 .dapm_routes = mt8173_rt5650_rt5676_routes,
221 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
224 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
226 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
227 struct device_node *platform_node;
230 platform_node = of_parse_phandle(pdev->dev.of_node,
231 "mediatek,platform", 0);
232 if (!platform_node) {
233 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
237 for (i = 0; i < card->num_links; i++) {
238 if (mt8173_rt5650_rt5676_dais[i].platform_name)
240 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
243 mt8173_rt5650_rt5676_codecs[0].of_node =
244 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
245 if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
247 "Property 'audio-codec' missing or invalid\n");
250 mt8173_rt5650_rt5676_codecs[1].of_node =
251 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
252 if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
254 "Property 'audio-codec' missing or invalid\n");
257 mt8173_rt5650_rt5676_codec_conf[0].of_node =
258 mt8173_rt5650_rt5676_codecs[1].of_node;
260 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node =
261 mt8173_rt5650_rt5676_codecs[1].of_node;
263 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node =
264 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
265 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
267 "Property 'audio-codec' missing or invalid\n");
271 card->dev = &pdev->dev;
273 ret = devm_snd_soc_register_card(&pdev->dev, card);
275 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
278 of_node_put(platform_node);
282 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
283 { .compatible = "mediatek,mt8173-rt5650-rt5676", },
286 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
288 static struct platform_driver mt8173_rt5650_rt5676_driver = {
290 .name = "mtk-rt5650-rt5676",
291 .of_match_table = mt8173_rt5650_rt5676_dt_match,
293 .pm = &snd_soc_pm_ops,
296 .probe = mt8173_rt5650_rt5676_dev_probe,
299 module_platform_driver(mt8173_rt5650_rt5676_driver);
301 /* Module information */
302 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
303 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
304 MODULE_LICENSE("GPL v2");
305 MODULE_ALIAS("platform:mtk-rt5650-rt5676");