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 struct snd_soc_jack_pin mt8173_rt5650_rt5514_jack_pins[] = {
44 {
45 .pin = "Headphone",
46 .mask = SND_JACK_HEADPHONE,
47 },
48 {
49 .pin = "Headset Mic",
50 .mask = SND_JACK_MICROPHONE,
51 },
52 };
53
mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)54 static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream,
55 struct snd_pcm_hw_params *params)
56 {
57 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
58 struct snd_soc_dai *codec_dai;
59 int i, ret;
60
61 for_each_rtd_codec_dais(rtd, i, codec_dai) {
62 /* pll from mclk 12.288M */
63 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
64 params_rate(params) * 512);
65 if (ret)
66 return ret;
67
68 /* sysclk from pll */
69 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
70 params_rate(params) * 512,
71 SND_SOC_CLOCK_IN);
72 if (ret)
73 return ret;
74 }
75 return 0;
76 }
77
78 static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = {
79 .hw_params = mt8173_rt5650_rt5514_hw_params,
80 };
81
82 static struct snd_soc_jack mt8173_rt5650_rt5514_jack;
83
mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime * runtime)84 static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime)
85 {
86 struct snd_soc_card *card = runtime->card;
87 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
88 int ret;
89
90 rt5645_sel_asrc_clk_src(component,
91 RT5645_DA_STEREO_FILTER |
92 RT5645_AD_STEREO_FILTER,
93 RT5645_CLK_SEL_I2S1_ASRC);
94
95 /* enable jack detection */
96 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
97 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
98 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
99 SND_JACK_BTN_2 | SND_JACK_BTN_3,
100 &mt8173_rt5650_rt5514_jack,
101 mt8173_rt5650_rt5514_jack_pins,
102 ARRAY_SIZE(mt8173_rt5650_rt5514_jack_pins));
103 if (ret) {
104 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
105 return ret;
106 }
107
108 return rt5645_set_jack_detect(component,
109 &mt8173_rt5650_rt5514_jack,
110 &mt8173_rt5650_rt5514_jack,
111 &mt8173_rt5650_rt5514_jack);
112 }
113
114 enum {
115 DAI_LINK_PLAYBACK,
116 DAI_LINK_CAPTURE,
117 DAI_LINK_CODEC_I2S,
118 };
119
120 SND_SOC_DAILINK_DEFS(playback,
121 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
122 DAILINK_COMP_ARRAY(COMP_DUMMY()),
123 DAILINK_COMP_ARRAY(COMP_EMPTY()));
124
125 SND_SOC_DAILINK_DEFS(capture,
126 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
127 DAILINK_COMP_ARRAY(COMP_DUMMY()),
128 DAILINK_COMP_ARRAY(COMP_EMPTY()));
129
130 SND_SOC_DAILINK_DEFS(codec,
131 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
132 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
133 COMP_CODEC(NULL, "rt5514-aif1")),
134 DAILINK_COMP_ARRAY(COMP_EMPTY()));
135
136 /* Digital audio interface glue - connects codec <---> CPU */
137 static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = {
138 /* Front End DAI links */
139 [DAI_LINK_PLAYBACK] = {
140 .name = "rt5650_rt5514 Playback",
141 .stream_name = "rt5650_rt5514 Playback",
142 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
143 .dynamic = 1,
144 .dpcm_playback = 1,
145 SND_SOC_DAILINK_REG(playback),
146 },
147 [DAI_LINK_CAPTURE] = {
148 .name = "rt5650_rt5514 Capture",
149 .stream_name = "rt5650_rt5514 Capture",
150 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
151 .dynamic = 1,
152 .dpcm_capture = 1,
153 SND_SOC_DAILINK_REG(capture),
154 },
155 /* Back End DAI links */
156 [DAI_LINK_CODEC_I2S] = {
157 .name = "Codec",
158 .no_pcm = 1,
159 .init = mt8173_rt5650_rt5514_init,
160 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
161 SND_SOC_DAIFMT_CBS_CFS,
162 .ops = &mt8173_rt5650_rt5514_ops,
163 .ignore_pmdown_time = 1,
164 .dpcm_playback = 1,
165 .dpcm_capture = 1,
166 SND_SOC_DAILINK_REG(codec),
167 },
168 };
169
170 static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = {
171 {
172 .name_prefix = "Sub",
173 },
174 };
175
176 static struct snd_soc_card mt8173_rt5650_rt5514_card = {
177 .name = "mtk-rt5650-rt5514",
178 .owner = THIS_MODULE,
179 .dai_link = mt8173_rt5650_rt5514_dais,
180 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais),
181 .codec_conf = mt8173_rt5650_rt5514_codec_conf,
182 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf),
183 .controls = mt8173_rt5650_rt5514_controls,
184 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls),
185 .dapm_widgets = mt8173_rt5650_rt5514_widgets,
186 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets),
187 .dapm_routes = mt8173_rt5650_rt5514_routes,
188 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes),
189 };
190
mt8173_rt5650_rt5514_dev_probe(struct platform_device * pdev)191 static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev)
192 {
193 struct snd_soc_card *card = &mt8173_rt5650_rt5514_card;
194 struct device_node *platform_node;
195 struct snd_soc_dai_link *dai_link;
196 int i, ret;
197
198 platform_node = of_parse_phandle(pdev->dev.of_node,
199 "mediatek,platform", 0);
200 if (!platform_node) {
201 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
202 return -EINVAL;
203 }
204
205 for_each_card_prelinks(card, i, dai_link) {
206 if (dai_link->platforms->name)
207 continue;
208 dai_link->platforms->of_node = platform_node;
209 }
210
211 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
212 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
213 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
214 dev_err(&pdev->dev,
215 "Property 'audio-codec' missing or invalid\n");
216 ret = -EINVAL;
217 goto out;
218 }
219 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
220 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
221 if (!mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
222 dev_err(&pdev->dev,
223 "Property 'audio-codec' missing or invalid\n");
224 ret = -EINVAL;
225 goto out;
226 }
227 mt8173_rt5650_rt5514_codec_conf[0].dlc.of_node =
228 mt8173_rt5650_rt5514_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
229
230 card->dev = &pdev->dev;
231
232 ret = devm_snd_soc_register_card(&pdev->dev, card);
233
234 out:
235 of_node_put(platform_node);
236 return ret;
237 }
238
239 static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = {
240 { .compatible = "mediatek,mt8173-rt5650-rt5514", },
241 { }
242 };
243 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match);
244
245 static struct platform_driver mt8173_rt5650_rt5514_driver = {
246 .driver = {
247 .name = "mtk-rt5650-rt5514",
248 .of_match_table = mt8173_rt5650_rt5514_dt_match,
249 .pm = &snd_soc_pm_ops,
250 },
251 .probe = mt8173_rt5650_rt5514_dev_probe,
252 };
253
254 module_platform_driver(mt8173_rt5650_rt5514_driver);
255
256 /* Module information */
257 MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver");
258 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
259 MODULE_LICENSE("GPL v2");
260 MODULE_ALIAS("platform:mtk-rt5650-rt5514");
261
262