42de84ca8c8443450d049f4d22d2f249f5d3fa3b
[muen/linux.git] / sound / soc / mediatek / mt8173 / mt8173-rt5650-rt5676.c
1 /*
2  * mt8173-rt5650-rt5676.c  --  MT8173 machine driver with RT5650/5676 codecs
3  *
4  * Copyright (c) 2015 MediaTek Inc.
5  * Author: Koro Chen <koro.chen@mediatek.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 and
9  * only version 2 as published by the Free Software Foundation.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  */
16
17 #include <linux/module.h>
18 #include <linux/gpio.h>
19 #include <linux/of_gpio.h>
20 #include <sound/soc.h>
21 #include <sound/jack.h>
22 #include "../../codecs/rt5645.h"
23 #include "../../codecs/rt5677.h"
24
25 #define MCLK_FOR_CODECS         12288000
26
27 static const struct snd_soc_dapm_widget mt8173_rt5650_rt5676_widgets[] = {
28         SND_SOC_DAPM_SPK("Speaker", NULL),
29         SND_SOC_DAPM_MIC("Int Mic", NULL),
30         SND_SOC_DAPM_HP("Headphone", NULL),
31         SND_SOC_DAPM_MIC("Headset Mic", NULL),
32 };
33
34 static const struct snd_soc_dapm_route mt8173_rt5650_rt5676_routes[] = {
35         {"Speaker", NULL, "SPOL"},
36         {"Speaker", NULL, "SPOR"},
37         {"Speaker", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
38         {"Sub DMIC L1", NULL, "Int Mic"}, /* DMIC from 5676 */
39         {"Sub DMIC R1", NULL, "Int Mic"},
40         {"Headphone", NULL, "HPOL"},
41         {"Headphone", NULL, "HPOR"},
42         {"Headphone", NULL, "Sub AIF2TX"}, /* IF2 ADC to 5650  */
43         {"Headset Mic", NULL, "micbias1"},
44         {"Headset Mic", NULL, "micbias2"},
45         {"IN1P", NULL, "Headset Mic"},
46         {"IN1N", NULL, "Headset Mic"},
47         {"Sub AIF2RX", NULL, "Headset Mic"}, /* IF2 DAC from 5650  */
48 };
49
50 static const struct snd_kcontrol_new mt8173_rt5650_rt5676_controls[] = {
51         SOC_DAPM_PIN_SWITCH("Speaker"),
52         SOC_DAPM_PIN_SWITCH("Int Mic"),
53         SOC_DAPM_PIN_SWITCH("Headphone"),
54         SOC_DAPM_PIN_SWITCH("Headset Mic"),
55 };
56
57 static int mt8173_rt5650_rt5676_hw_params(struct snd_pcm_substream *substream,
58                                           struct snd_pcm_hw_params *params)
59 {
60         struct snd_soc_pcm_runtime *rtd = substream->private_data;
61         int i, ret;
62
63         for (i = 0; i < rtd->num_codecs; i++) {
64                 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
65
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
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_codec *codec = runtime->codec_dais[0]->codec;
92         struct snd_soc_codec *codec_sub = runtime->codec_dais[1]->codec;
93         int ret;
94
95         rt5645_sel_asrc_clk_src(codec,
96                                 RT5645_DA_STEREO_FILTER |
97                                 RT5645_AD_STEREO_FILTER,
98                                 RT5645_CLK_SEL_I2S1_ASRC);
99         rt5677_sel_asrc_clk_src(codec_sub,
100                                 RT5677_DA_STEREO_FILTER |
101                                 RT5677_AD_STEREO1_FILTER,
102                                 RT5677_CLK_SEL_I2S1_ASRC);
103         rt5677_sel_asrc_clk_src(codec_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(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, NULL, 0);
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(codec,
120                                       &mt8173_rt5650_rt5676_jack,
121                                       &mt8173_rt5650_rt5676_jack,
122                                       &mt8173_rt5650_rt5676_jack);
123 }
124
125 static struct snd_soc_dai_link_component mt8173_rt5650_rt5676_codecs[] = {
126         {
127                 .dai_name = "rt5645-aif1",
128         },
129         {
130                 .dai_name = "rt5677-aif1",
131         },
132 };
133
134 enum {
135         DAI_LINK_PLAYBACK,
136         DAI_LINK_CAPTURE,
137         DAI_LINK_HDMI,
138         DAI_LINK_CODEC_I2S,
139         DAI_LINK_HDMI_I2S,
140         DAI_LINK_INTERCODEC
141 };
142
143 /* Digital audio interface glue - connects codec <---> CPU */
144 static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = {
145         /* Front End DAI links */
146         [DAI_LINK_PLAYBACK] = {
147                 .name = "rt5650_rt5676 Playback",
148                 .stream_name = "rt5650_rt5676 Playback",
149                 .cpu_dai_name = "DL1",
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},
153                 .dynamic = 1,
154                 .dpcm_playback = 1,
155         },
156         [DAI_LINK_CAPTURE] = {
157                 .name = "rt5650_rt5676 Capture",
158                 .stream_name = "rt5650_rt5676 Capture",
159                 .cpu_dai_name = "VUL",
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},
163                 .dynamic = 1,
164                 .dpcm_capture = 1,
165         },
166         [DAI_LINK_HDMI] = {
167                 .name = "HDMI",
168                 .stream_name = "HDMI PCM",
169                 .cpu_dai_name = "HDMI",
170                 .codec_name = "snd-soc-dummy",
171                 .codec_dai_name = "snd-soc-dummy-dai",
172                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
173                 .dynamic = 1,
174                 .dpcm_playback = 1,
175         },
176
177         /* Back End DAI links */
178         [DAI_LINK_CODEC_I2S] = {
179                 .name = "Codec",
180                 .cpu_dai_name = "I2S",
181                 .no_pcm = 1,
182                 .codecs = mt8173_rt5650_rt5676_codecs,
183                 .num_codecs = 2,
184                 .init = mt8173_rt5650_rt5676_init,
185                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
186                            SND_SOC_DAIFMT_CBS_CFS,
187                 .ops = &mt8173_rt5650_rt5676_ops,
188                 .ignore_pmdown_time = 1,
189                 .dpcm_playback = 1,
190                 .dpcm_capture = 1,
191         },
192         [DAI_LINK_HDMI_I2S] = {
193                 .name = "HDMI BE",
194                 .cpu_dai_name = "HDMIO",
195                 .no_pcm = 1,
196                 .codec_dai_name = "i2s-hifi",
197                 .dpcm_playback = 1,
198         },
199         /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */
200         [DAI_LINK_INTERCODEC] = {
201                 .name = "rt5650_rt5676 intercodec",
202                 .stream_name = "rt5650_rt5676 intercodec",
203                 .cpu_dai_name = "snd-soc-dummy-dai",
204                 .platform_name = "snd-soc-dummy",
205                 .no_pcm = 1,
206                 .codec_dai_name = "rt5677-aif2",
207                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
208                            SND_SOC_DAIFMT_CBM_CFM,
209         },
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         int i, ret;
239
240         platform_node = of_parse_phandle(pdev->dev.of_node,
241                                          "mediatek,platform", 0);
242         if (!platform_node) {
243                 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
244                 return -EINVAL;
245         }
246
247         for (i = 0; i < card->num_links; i++) {
248                 if (mt8173_rt5650_rt5676_dais[i].platform_name)
249                         continue;
250                 mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node;
251         }
252
253         mt8173_rt5650_rt5676_codecs[0].of_node =
254                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
255         if (!mt8173_rt5650_rt5676_codecs[0].of_node) {
256                 dev_err(&pdev->dev,
257                         "Property 'audio-codec' missing or invalid\n");
258                 return -EINVAL;
259         }
260         mt8173_rt5650_rt5676_codecs[1].of_node =
261                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
262         if (!mt8173_rt5650_rt5676_codecs[1].of_node) {
263                 dev_err(&pdev->dev,
264                         "Property 'audio-codec' missing or invalid\n");
265                 return -EINVAL;
266         }
267         mt8173_rt5650_rt5676_codec_conf[0].of_node =
268                 mt8173_rt5650_rt5676_codecs[1].of_node;
269
270         mt8173_rt5650_rt5676_dais[DAI_LINK_INTERCODEC].codec_of_node =
271                 mt8173_rt5650_rt5676_codecs[1].of_node;
272
273         mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node =
274                 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 2);
275         if (!mt8173_rt5650_rt5676_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
276                 dev_err(&pdev->dev,
277                         "Property 'audio-codec' missing or invalid\n");
278                 return -EINVAL;
279         }
280
281         card->dev = &pdev->dev;
282
283         ret = devm_snd_soc_register_card(&pdev->dev, card);
284         if (ret)
285                 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
286                         __func__, ret);
287         return ret;
288 }
289
290 static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = {
291         { .compatible = "mediatek,mt8173-rt5650-rt5676", },
292         { }
293 };
294 MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match);
295
296 static struct platform_driver mt8173_rt5650_rt5676_driver = {
297         .driver = {
298                    .name = "mtk-rt5650-rt5676",
299                    .of_match_table = mt8173_rt5650_rt5676_dt_match,
300 #ifdef CONFIG_PM
301                    .pm = &snd_soc_pm_ops,
302 #endif
303         },
304         .probe = mt8173_rt5650_rt5676_dev_probe,
305 };
306
307 module_platform_driver(mt8173_rt5650_rt5676_driver);
308
309 /* Module information */
310 MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver");
311 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
312 MODULE_LICENSE("GPL v2");
313 MODULE_ALIAS("platform:mtk-rt5650-rt5676");
314