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 <[email protected]>
7 */
8
9 #include <linux/module.h>
10 #include <sound/soc.h>
11 #include <sound/jack.h>
12 #include "../../codecs/rt5645.h"
13 #include "../../codecs/rt5677.h"
14
15 #define MCLK_FOR_CODECS 12288000
16
17 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
18 SND_SOC_DAPM_SPK("Speaker", NULL),
19 SND_SOC_DAPM_MIC("Int Mic", NULL),
20 SND_SOC_DAPM_HP("Headphone", NULL),
21 SND_SOC_DAPM_MIC("Headset Mic", NULL),
22 };
23
24 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
25 {"Speaker", NULL, "SPOL"},
26 {"Speaker", NULL, "SPOR"},
27 {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
28 {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
29 {"Sub DMIC R1", NULL, "Int Mic"},
30 {"Headphone", NULL, "HPOL"},
31 {"Headphone", NULL, "HPOR"},
32 {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650 */
33 {"IN1P", NULL, "Headset Mic"},
34 {"IN1N", NULL, "Headset Mic"},
35 {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650 */
36 };
37
38 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
39 SOC_DAPM_PIN_SWITCH("Speaker"),
40 SOC_DAPM_PIN_SWITCH("Int Mic"),
41 SOC_DAPM_PIN_SWITCH("Headphone"),
42 SOC_DAPM_PIN_SWITCH("Headset Mic"),
43 };
44
45 static struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = {
46 {
47 .pin = "Headphone",
48 .mask = SND_JACK_HEADPHONE,
49 },
50 {
51 .pin = "Headset Mic",
52 .mask = SND_JACK_MICROPHONE,
53 },
54 };
55
mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)56 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
57 struct snd_pcm_hw_params *params)
58 {
59 struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
60 struct snd_soc_dai *codec_dai;
61 int i, ret;
62
63 for_each_rtd_codec_dais(rtd, i, codec_dai) {
64 /* pll from mclk 12.288M */
65 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
66 params_rate(params) * 512);
67 if (ret)
68 return ret;
69
70 /* sysclk from pll */
71 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
72 params_rate(params) * 512,
73 SND_SOC_CLOCK_IN);
74 if (ret)
75 return ret;
76 }
77 return 0;
78 }
79
80 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
81 .hw_params = mt8173_rt5650_rt5676_hw_params,
82 };
83
84 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
85
mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime * runtime)86 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
87 {
88 struct snd_soc_card *card = runtime->card;
89 struct snd_soc_component *component = snd_soc_rtd_to_codec(runtime, 0)->component;
90 struct snd_soc_component *component_sub = snd_soc_rtd_to_codec(runtime, 1)->component;
91 int ret;
92
93 rt5645_sel_asrc_clk_src(component,
94 RT5645_DA_STEREO_FILTER |
95 RT5645_AD_STEREO_FILTER,
96 RT5645_CLK_SEL_I2S1_ASRC);
97 rt5677_sel_asrc_clk_src(component_sub,
98 RT5677_DA_STEREO_FILTER |
99 RT5677_AD_STEREO1_FILTER,
100 RT5677_CLK_SEL_I2S1_ASRC);
101 rt5677_sel_asrc_clk_src(component_sub,
102 RT5677_AD_STEREO2_FILTER |
103 RT5677_I2S2_SOURCE,
104 RT5677_CLK_SEL_I2S2_ASRC);
105
106 /* enable jack detection */
107 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
108 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
109 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
110 SND_JACK_BTN_2 | SND_JACK_BTN_3,
111 &mt8173_rt5650_rt5676_jack,
112 mt8173_rt5650_rt5676_jack_pins,
113 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins));
114 if (ret) {
115 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
116 return ret;
117 }
118
119 return rt5645_set_jack_detect(component,
120 &mt8173_rt5650_rt5676_jack,
121 &mt8173_rt5650_rt5676_jack,
122 &mt8173_rt5650_rt5676_jack);
123 }
124
125
126 enum {
127 DAI_LINK_PLAYBACK,
128 DAI_LINK_CAPTURE,
129 DAI_LINK_HDMI,
130 DAI_LINK_CODEC_I2S,
131 DAI_LINK_HDMI_I2S,
132 DAI_LINK_INTERCODEC
133 };
134
135 SND_SOC_DAILINK_DEFS(playback,
136 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
137 DAILINK_COMP_ARRAY(COMP_DUMMY()),
138 DAILINK_COMP_ARRAY(COMP_EMPTY()));
139
140 SND_SOC_DAILINK_DEFS(capture,
141 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
142 DAILINK_COMP_ARRAY(COMP_DUMMY()),
143 DAILINK_COMP_ARRAY(COMP_EMPTY()));
144
145 SND_SOC_DAILINK_DEFS(hdmi_pcm,
146 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
147 DAILINK_COMP_ARRAY(COMP_DUMMY()),
148 DAILINK_COMP_ARRAY(COMP_EMPTY()));
149
150 SND_SOC_DAILINK_DEFS(codec,
151 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
152 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
153 COMP_CODEC(NULL, "rt5677-aif1")),
154 DAILINK_COMP_ARRAY(COMP_EMPTY()));
155
156 SND_SOC_DAILINK_DEFS(hdmi_be,
157 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
158 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
159 DAILINK_COMP_ARRAY(COMP_EMPTY()));
160
161 SND_SOC_DAILINK_DEFS(intercodec,
162 DAILINK_COMP_ARRAY(COMP_DUMMY()),
163 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
164 DAILINK_COMP_ARRAY(COMP_DUMMY()));
165
166 /* Digital audio interface glue - connects codec <---> CPU */
167 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
168 /* Front End DAI links */
169 [DAI_LINK_PLAYBACK] = {
170 .name = "rt5650_rt5676 Playback",
171 .stream_name = "rt5650_rt5676 Playback",
172 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
173 .dynamic = 1,
174 .playback_only = 1,
175 SND_SOC_DAILINK_REG(playback),
176 },
177 [DAI_LINK_CAPTURE] = {
178 .name = "rt5650_rt5676 Capture",
179 .stream_name = "rt5650_rt5676 Capture",
180 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
181 .dynamic = 1,
182 .capture_only = 1,
183 SND_SOC_DAILINK_REG(capture),
184 },
185 [DAI_LINK_HDMI] = {
186 .name = "HDMI",
187 .stream_name = "HDMI PCM",
188 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
189 .dynamic = 1,
190 .playback_only = 1,
191 SND_SOC_DAILINK_REG(hdmi_pcm),
192 },
193
194 /* Back End DAI links */
195 [DAI_LINK_CODEC_I2S] = {
196 .name = "Codec",
197 .no_pcm = 1,
198 .init = mt8173_rt5650_rt5676_init,
199 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
200 SND_SOC_DAIFMT_CBS_CFS,
201 .ops = &mt8173_rt5650_rt5676_ops,
202 .ignore_pmdown_time = 1,
203 SND_SOC_DAILINK_REG(codec),
204 },
205 [DAI_LINK_HDMI_I2S] = {
206 .name = "HDMI BE",
207 .no_pcm = 1,
208 .playback_only = 1,
209 SND_SOC_DAILINK_REG(hdmi_be),
210 },
211 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
212 [DAI_LINK_INTERCODEC] = {
213 .name = "rt5650_rt5676 intercodec",
214 .stream_name = "rt5650_rt5676 intercodec",
215 .no_pcm = 1,
216 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
217 SND_SOC_DAIFMT_CBM_CFM,
218 SND_SOC_DAILINK_REG(intercodec),
219 },
220 };
221
222 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
223 {
224 .name_prefix = "Sub",
225 },
226 };
227
228 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
229 .name = "mtk-rt5650-rt5676",
230 .owner = THIS_MODULE,
231 .dai_link = mt8173_rt5650_rt5676_dais,
232 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
233 .codec_conf = mt8173_rt5650_rt5676_codec_conf,
234 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
235 .controls = mt8173_rt5650_rt5676_controls,
236 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
237 .dapm_widgets = mt8173_rt5650_rt5676_widgets,
238 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
239 .dapm_routes = mt8173_rt5650_rt5676_routes,
240 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
241 };
242
mt8173_rt5650_rt5676_dev_probe(struct platform_device * pdev)243 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
244 {
245 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
246 struct device_node *platform_node;
247 struct snd_soc_dai_link *dai_link;
248 int i, ret;
249
250 platform_node = of_parse_phandle(pdev->dev.of_node,
251 "mediatek,platform", 0);
252 if (!platform_node) {
253 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
254 return -EINVAL;
255 }
256
257 for_each_card_prelinks(card, i, dai_link) {
258 if (dai_link->platforms->name)
259 continue;
260 dai_link->platforms->of_node = platform_node;
261 }
262
263 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
264 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
265 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
266 dev_err(&pdev->dev,
267 "Property 'audio-codec' missing or invalid\n");
268 ret = -EINVAL;
269 goto put_node;
270 }
271 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
272 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
273 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
274 dev_err(&pdev->dev,
275 "Property 'audio-codec' missing or invalid\n");
276 ret = -EINVAL;
277 goto put_node;
278 }
279 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
280 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
281
282 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
283 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
284
285 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
286 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
287 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
288 dev_err(&pdev->dev,
289 "Property 'audio-codec' missing or invalid\n");
290 ret = -EINVAL;
291 goto put_node;
292 }
293
294 card->dev = &pdev->dev;
295
296 ret = devm_snd_soc_register_card(&pdev->dev, card);
297
298 put_node:
299 of_node_put(platform_node);
300 return ret;
301 }
302
303 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
304 { .compatible = "mediatek,mt8173-rt5650-rt5676", },
305 { }
306 };
307 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
308
309 static struct platform_driver mt8173_rt5650_rt5676_driver = {
310 .driver = {
311 .name = "mtk-rt5650-rt5676",
312 .of_match_table = mt8173_rt5650_rt5676_dt_match,
313 .pm = &snd_soc_pm_ops,
314 },
315 .probe = mt8173_rt5650_rt5676_dev_probe,
316 };
317
318 module_platform_driver(mt8173_rt5650_rt5676_driver);
319
320 /* Module information */
321 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
322 MODULE_AUTHOR("Koro Chen <[email protected]>");
323 MODULE_LICENSE("GPL v2");
324 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
325
326