1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * mt8173-rt5650-rt5676.c -- MT8173 machine driver with RT5650/5676 codecs
4 *
5 * Copyright (c) 2015 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 #include "../../codecs/rt5677.h"
16
17 #define MCLK_FOR_CODECS 12288000
18
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),
24 };
25
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 */
38 };
39
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"),
45 };
46
47 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
48 struct snd_pcm_hw_params *params)
49 {
50 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
51 struct snd_soc_dai *codec_dai;
52 int i, ret;
53
54 for_each_rtd_codec_dais(rtd, i, codec_dai) {
55 /* pll from mclk 12.288M */
56 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
57 params_rate(params) * 512);
58 if (ret)
59 return ret;
60
61 /* sysclk from pll */
62 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
63 params_rate(params) * 512,
64 SND_SOC_CLOCK_IN);
65 if (ret)
66 return ret;
67 }
68 return 0;
69 }
70
71 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
72 .hw_params = mt8173_rt5650_rt5676_hw_params,
73 };
74
75 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
76
77 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
78 {
79 struct snd_soc_card *card = runtime->card;
80 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
81 struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
82 int ret;
83
84 rt5645_sel_asrc_clk_src(component,
85 RT5645_DA_STEREO_FILTER |
86 RT5645_AD_STEREO_FILTER,
87 RT5645_CLK_SEL_I2S1_ASRC);
88 rt5677_sel_asrc_clk_src(component_sub,
89 RT5677_DA_STEREO_FILTER |
90 RT5677_AD_STEREO1_FILTER,
91 RT5677_CLK_SEL_I2S1_ASRC);
92 rt5677_sel_asrc_clk_src(component_sub,
93 RT5677_AD_STEREO2_FILTER |
94 RT5677_I2S2_SOURCE,
95 RT5677_CLK_SEL_I2S2_ASRC);
96
97 /* enable jack detection */
98 ret = snd_soc_card_jack_new(card, "Headset Jack",
99 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
100 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
101 SND_JACK_BTN_2 | SND_JACK_BTN_3,
102 &mt8173_rt5650_rt5676_jack);
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_rt5676_jack,
110 &mt8173_rt5650_rt5676_jack,
111 &mt8173_rt5650_rt5676_jack);
112 }
113
114
115 enum {
116 DAI_LINK_PLAYBACK,
117 DAI_LINK_CAPTURE,
118 DAI_LINK_HDMI,
119 DAI_LINK_CODEC_I2S,
120 DAI_LINK_HDMI_I2S,
121 DAI_LINK_INTERCODEC
122 };
123
124 SND_SOC_DAILINK_DEFS(playback,
125 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
126 DAILINK_COMP_ARRAY(COMP_DUMMY()),
127 DAILINK_COMP_ARRAY(COMP_EMPTY()));
128
129 SND_SOC_DAILINK_DEFS(capture,
130 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
131 DAILINK_COMP_ARRAY(COMP_DUMMY()),
132 DAILINK_COMP_ARRAY(COMP_EMPTY()));
133
134 SND_SOC_DAILINK_DEFS(hdmi_pcm,
135 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
136 DAILINK_COMP_ARRAY(COMP_DUMMY()),
137 DAILINK_COMP_ARRAY(COMP_EMPTY()));
138
139 SND_SOC_DAILINK_DEFS(codec,
140 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
141 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
142 COMP_CODEC(NULL, "rt5677-aif1")),
143 DAILINK_COMP_ARRAY(COMP_EMPTY()));
144
145 SND_SOC_DAILINK_DEFS(hdmi_be,
146 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
147 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
148 DAILINK_COMP_ARRAY(COMP_EMPTY()));
149
150 SND_SOC_DAILINK_DEFS(intercodec,
151 DAILINK_COMP_ARRAY(COMP_DUMMY()),
152 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
153 DAILINK_COMP_ARRAY(COMP_DUMMY()));
154
155 /* Digital audio interface glue - connects codec <---> CPU */
156 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
157 /* Front End DAI links */
158 [DAI_LINK_PLAYBACK] = {
159 .name = "rt5650_rt5676 Playback",
160 .stream_name = "rt5650_rt5676 Playback",
161 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
162 .dynamic = 1,
163 .dpcm_playback = 1,
164 SND_SOC_DAILINK_REG(playback),
165 },
166 [DAI_LINK_CAPTURE] = {
167 .name = "rt5650_rt5676 Capture",
168 .stream_name = "rt5650_rt5676 Capture",
169 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
170 .dynamic = 1,
171 .dpcm_capture = 1,
172 SND_SOC_DAILINK_REG(capture),
173 },
174 [DAI_LINK_HDMI] = {
175 .name = "HDMI",
176 .stream_name = "HDMI PCM",
177 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
178 .dynamic = 1,
179 .dpcm_playback = 1,
180 SND_SOC_DAILINK_REG(hdmi_pcm),
181 },
182
183 /* Back End DAI links */
184 [DAI_LINK_CODEC_I2S] = {
185 .name = "Codec",
186 .no_pcm = 1,
187 .init = mt8173_rt5650_rt5676_init,
188 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
189 SND_SOC_DAIFMT_CBS_CFS,
190 .ops = &mt8173_rt5650_rt5676_ops,
191 .ignore_pmdown_time = 1,
192 .dpcm_playback = 1,
193 .dpcm_capture = 1,
194 SND_SOC_DAILINK_REG(codec),
195 },
196 [DAI_LINK_HDMI_I2S] = {
197 .name = "HDMI BE",
198 .no_pcm = 1,
199 .dpcm_playback = 1,
200 SND_SOC_DAILINK_REG(hdmi_be),
201 },
202 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
203 [DAI_LINK_INTERCODEC] = {
204 .name = "rt5650_rt5676 intercodec",
205 .stream_name = "rt5650_rt5676 intercodec",
206 .no_pcm = 1,
207 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
208 SND_SOC_DAIFMT_CBM_CFM,
209 SND_SOC_DAILINK_REG(intercodec),
210 },
211 };
212
213 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
214 {
215 .name_prefix = "Sub",
216 },
217 };
218
219 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
220 .name = "mtk-rt5650-rt5676",
221 .owner = THIS_MODULE,
222 .dai_link = mt8173_rt5650_rt5676_dais,
223 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
224 .codec_conf = mt8173_rt5650_rt5676_codec_conf,
225 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
226 .controls = mt8173_rt5650_rt5676_controls,
227 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
228 .dapm_widgets = mt8173_rt5650_rt5676_widgets,
229 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
230 .dapm_routes = mt8173_rt5650_rt5676_routes,
231 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
232 };
233
234 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
235 {
236 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
237 struct device_node *platform_node;
238 struct snd_soc_dai_link *dai_link;
239 int i, ret;
240
241 platform_node = of_parse_phandle(pdev->dev.of_node,
242 "mediatek,platform", 0);
243 if (!platform_node) {
244 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
245 return -EINVAL;
246 }
247
248 for_each_card_prelinks(card, i, dai_link) {
249 if (dai_link->platforms->name)
250 continue;
251 dai_link->platforms->of_node = platform_node;
252 }
253
254 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
255 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
256 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
257 dev_err(&pdev->dev,
258 "Property 'audio-codec' missing or invalid\n");
259 ret = -EINVAL;
260 goto put_node;
261 }
262 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
263 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
264 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
265 dev_err(&pdev->dev,
266 "Property 'audio-codec' missing or invalid\n");
267 ret = -EINVAL;
268 goto put_node;
269 }
270 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
271 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
272
273 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
274 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
275
276 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
277 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
278 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
279 dev_err(&pdev->dev,
280 "Property 'audio-codec' missing or invalid\n");
281 ret = -EINVAL;
282 goto put_node;
283 }
284
285 card->dev = &pdev->dev;
286
287 ret = devm_snd_soc_register_card(&pdev->dev, card);
288
289 put_node:
290 of_node_put(platform_node);
291 return ret;
292 }
293
294 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
295 { .compatible = "mediatek,mt8173-rt5650-rt5676", },
296 { }
297 };
298 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
299
300 static struct platform_driver mt8173_rt5650_rt5676_driver = {
301 .driver = {
302 .name = "mtk-rt5650-rt5676",
303 .of_match_table = mt8173_rt5650_rt5676_dt_match,
304 .pm = &snd_soc_pm_ops,
305 },
306 .probe = mt8173_rt5650_rt5676_dev_probe,
307 };
308
309 module_platform_driver(mt8173_rt5650_rt5676_driver);
310
311 /* Module information */
312 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
313 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
314 MODULE_LICENSE("GPL v2");
315 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
316
317
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.