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 struct snd_soc_jack_pin mt8173_rt5650_rt5676_jack_pins[] = {
48 {
49 .pin = "Headphone",
50 .mask = SND_JACK_HEADPHONE,
51 },
52 {
53 .pin = "Headset Mic",
54 .mask = SND_JACK_MICROPHONE,
55 },
56 };
57
mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)58 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
59 struct snd_pcm_hw_params *params)
60 {
61 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
62 struct snd_soc_dai *codec_dai;
63 int i, ret;
64
65 for_each_rtd_codec_dais(rtd, i, codec_dai) {
66 /* pll from mclk 12.288M */
67 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS,
68 params_rate(params) * 512);
69 if (ret)
70 return ret;
71
72 /* sysclk from pll */
73 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
74 params_rate(params) * 512,
75 SND_SOC_CLOCK_IN);
76 if (ret)
77 return ret;
78 }
79 return 0;
80 }
81
82 static const struct snd_soc_ops mt8173_rt5650_rt5676_ops = {
83 .hw_params = mt8173_rt5650_rt5676_hw_params,
84 };
85
86 static struct snd_soc_jack mt8173_rt5650_rt5676_jack;
87
mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime * runtime)88 static int mt8173_rt5650_rt5676_init(struct snd_soc_pcm_runtime *runtime)
89 {
90 struct snd_soc_card *card = runtime->card;
91 struct snd_soc_component *component = asoc_rtd_to_codec(runtime, 0)->component;
92 struct snd_soc_component *component_sub = asoc_rtd_to_codec(runtime, 1)->component;
93 int ret;
94
95 rt5645_sel_asrc_clk_src(component,
96 RT5645_DA_STEREO_FILTER |
97 RT5645_AD_STEREO_FILTER,
98 RT5645_CLK_SEL_I2S1_ASRC);
99 rt5677_sel_asrc_clk_src(component_sub,
100 RT5677_DA_STEREO_FILTER |
101 RT5677_AD_STEREO1_FILTER,
102 RT5677_CLK_SEL_I2S1_ASRC);
103 rt5677_sel_asrc_clk_src(component_sub,
104 RT5677_AD_STEREO2_FILTER |
105 RT5677_I2S2_SOURCE,
106 RT5677_CLK_SEL_I2S2_ASRC);
107
108 /* enable jack detection */
109 ret = snd_soc_card_jack_new_pins(card, "Headset Jack",
110 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
111 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
112 SND_JACK_BTN_2 | SND_JACK_BTN_3,
113 &mt8173_rt5650_rt5676_jack,
114 mt8173_rt5650_rt5676_jack_pins,
115 ARRAY_SIZE(mt8173_rt5650_rt5676_jack_pins));
116 if (ret) {
117 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
118 return ret;
119 }
120
121 return rt5645_set_jack_detect(component,
122 &mt8173_rt5650_rt5676_jack,
123 &mt8173_rt5650_rt5676_jack,
124 &mt8173_rt5650_rt5676_jack);
125 }
126
127
128 enum {
129 DAI_LINK_PLAYBACK,
130 DAI_LINK_CAPTURE,
131 DAI_LINK_HDMI,
132 DAI_LINK_CODEC_I2S,
133 DAI_LINK_HDMI_I2S,
134 DAI_LINK_INTERCODEC
135 };
136
137 SND_SOC_DAILINK_DEFS(playback,
138 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
139 DAILINK_COMP_ARRAY(COMP_DUMMY()),
140 DAILINK_COMP_ARRAY(COMP_EMPTY()));
141
142 SND_SOC_DAILINK_DEFS(capture,
143 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
144 DAILINK_COMP_ARRAY(COMP_DUMMY()),
145 DAILINK_COMP_ARRAY(COMP_EMPTY()));
146
147 SND_SOC_DAILINK_DEFS(hdmi_pcm,
148 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
149 DAILINK_COMP_ARRAY(COMP_DUMMY()),
150 DAILINK_COMP_ARRAY(COMP_EMPTY()));
151
152 SND_SOC_DAILINK_DEFS(codec,
153 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
154 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
155 COMP_CODEC(NULL, "rt5677-aif1")),
156 DAILINK_COMP_ARRAY(COMP_EMPTY()));
157
158 SND_SOC_DAILINK_DEFS(hdmi_be,
159 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
160 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
161 DAILINK_COMP_ARRAY(COMP_EMPTY()));
162
163 SND_SOC_DAILINK_DEFS(intercodec,
164 DAILINK_COMP_ARRAY(COMP_DUMMY()),
165 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif2")),
166 DAILINK_COMP_ARRAY(COMP_DUMMY()));
167
168 /* Digital audio interface glue - connects codec <---> CPU */
169 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
170 /* Front End DAI links */
171 [DAI_LINK_PLAYBACK] = {
172 .name = "rt5650_rt5676 Playback",
173 .stream_name = "rt5650_rt5676 Playback",
174 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
175 .dynamic = 1,
176 .dpcm_playback = 1,
177 SND_SOC_DAILINK_REG(playback),
178 },
179 [DAI_LINK_CAPTURE] = {
180 .name = "rt5650_rt5676 Capture",
181 .stream_name = "rt5650_rt5676 Capture",
182 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
183 .dynamic = 1,
184 .dpcm_capture = 1,
185 SND_SOC_DAILINK_REG(capture),
186 },
187 [DAI_LINK_HDMI] = {
188 .name = "HDMI",
189 .stream_name = "HDMI PCM",
190 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
191 .dynamic = 1,
192 .dpcm_playback = 1,
193 SND_SOC_DAILINK_REG(hdmi_pcm),
194 },
195
196 /* Back End DAI links */
197 [DAI_LINK_CODEC_I2S] = {
198 .name = "Codec",
199 .no_pcm = 1,
200 .init = mt8173_rt5650_rt5676_init,
201 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
202 SND_SOC_DAIFMT_CBS_CFS,
203 .ops = &mt8173_rt5650_rt5676_ops,
204 .ignore_pmdown_time = 1,
205 .dpcm_playback = 1,
206 .dpcm_capture = 1,
207 SND_SOC_DAILINK_REG(codec),
208 },
209 [DAI_LINK_HDMI_I2S] = {
210 .name = "HDMI BE",
211 .no_pcm = 1,
212 .dpcm_playback = 1,
213 SND_SOC_DAILINK_REG(hdmi_be),
214 },
215 /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
216 [DAI_LINK_INTERCODEC] = {
217 .name = "rt5650_rt5676 intercodec",
218 .stream_name = "rt5650_rt5676 intercodec",
219 .no_pcm = 1,
220 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
221 SND_SOC_DAIFMT_CBM_CFM,
222 SND_SOC_DAILINK_REG(intercodec),
223 },
224 };
225
226 static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = {
227 {
228 .name_prefix = "Sub",
229 },
230 };
231
232 static struct snd_soc_card mt8173_rt5650_rt5676_card = {
233 .name = "mtk-rt5650-rt5676",
234 .owner = THIS_MODULE,
235 .dai_link = mt8173_rt5650_rt5676_dais,
236 .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais),
237 .codec_conf = mt8173_rt5650_rt5676_codec_conf,
238 .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf),
239 .controls = mt8173_rt5650_rt5676_controls,
240 .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls),
241 .dapm_widgets = mt8173_rt5650_rt5676_widgets,
242 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets),
243 .dapm_routes = mt8173_rt5650_rt5676_routes,
244 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes),
245 };
246
mt8173_rt5650_rt5676_dev_probe(struct platform_device * pdev)247 static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev)
248 {
249 struct snd_soc_card *card = &mt8173_rt5650_rt5676_card;
250 struct device_node *platform_node;
251 struct snd_soc_dai_link *dai_link;
252 int i, ret;
253
254 platform_node = of_parse_phandle(pdev->dev.of_node,
255 "mediatek,platform", 0);
256 if (!platform_node) {
257 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
258 return -EINVAL;
259 }
260
261 for_each_card_prelinks(card, i, dai_link) {
262 if (dai_link->platforms->name)
263 continue;
264 dai_link->platforms->of_node = platform_node;
265 }
266
267 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
268 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
269 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
270 dev_err(&pdev->dev,
271 "Property 'audio-codec' missing or invalid\n");
272 ret = -EINVAL;
273 goto put_node;
274 }
275 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
276 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
277 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node) {
278 dev_err(&pdev->dev,
279 "Property 'audio-codec' missing or invalid\n");
280 ret = -EINVAL;
281 goto put_node;
282 }
283 mt8173_rt5650_rt5676_codec_conf[0].dlc.of_node =
284 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
285
286 mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codecs->of_node =
287 mt8173_rt5650_rt5676_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node;
288
289 mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
290 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
291 if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
292 dev_err(&pdev->dev,
293 "Property 'audio-codec' missing or invalid\n");
294 ret = -EINVAL;
295 goto put_node;
296 }
297
298 card->dev = &pdev->dev;
299
300 ret = devm_snd_soc_register_card(&pdev->dev, card);
301
302 put_node:
303 of_node_put(platform_node);
304 return ret;
305 }
306
307 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
308 { .compatible = "mediatek,mt8173-rt5650-rt5676", },
309 { }
310 };
311 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
312
313 static struct platform_driver mt8173_rt5650_rt5676_driver = {
314 .driver = {
315 .name = "mtk-rt5650-rt5676",
316 .of_match_table = mt8173_rt5650_rt5676_dt_match,
317 .pm = &snd_soc_pm_ops,
318 },
319 .probe = mt8173_rt5650_rt5676_dev_probe,
320 };
321
322 module_platform_driver(mt8173_rt5650_rt5676_driver);
323
324 /* Module information */
325 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
326 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
327 MODULE_LICENSE("GPL v2");
328 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
329
330