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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 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 | /* Digital audio interface glue - connects codec <---> CPU */ | |
135 | static struct snd_soc_dai_link mt8173_rt5650_rt5676_dais[] = { | |
136 | /* Front End DAI links */ | |
137 | { | |
138 | .name = "rt5650_rt5676 Playback", | |
139 | .stream_name = "rt5650_rt5676 Playback", | |
140 | .cpu_dai_name = "DL1", | |
662e8d91 KC |
141 | .codec_name = "snd-soc-dummy", |
142 | .codec_dai_name = "snd-soc-dummy-dai", | |
143 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
144 | .dynamic = 1, | |
145 | .dpcm_playback = 1, | |
146 | }, | |
147 | { | |
148 | .name = "rt5650_rt5676 Capture", | |
149 | .stream_name = "rt5650_rt5676 Capture", | |
150 | .cpu_dai_name = "VUL", | |
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151 | .codec_name = "snd-soc-dummy", |
152 | .codec_dai_name = "snd-soc-dummy-dai", | |
153 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
154 | .dynamic = 1, | |
155 | .dpcm_capture = 1, | |
156 | }, | |
157 | ||
158 | /* Back End DAI links */ | |
159 | { | |
160 | .name = "Codec", | |
161 | .cpu_dai_name = "I2S", | |
662e8d91 KC |
162 | .no_pcm = 1, |
163 | .codecs = mt8173_rt5650_rt5676_codecs, | |
164 | .num_codecs = 2, | |
165 | .init = mt8173_rt5650_rt5676_init, | |
166 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
167 | SND_SOC_DAIFMT_CBS_CFS, | |
168 | .ops = &mt8173_rt5650_rt5676_ops, | |
169 | .ignore_pmdown_time = 1, | |
170 | .dpcm_playback = 1, | |
171 | .dpcm_capture = 1, | |
172 | }, | |
173 | { /* rt5676 <-> rt5650 intercodec link: Sets rt5676 I2S2 as master */ | |
174 | .name = "rt5650_rt5676 intercodec", | |
175 | .stream_name = "rt5650_rt5676 intercodec", | |
176 | .cpu_dai_name = "snd-soc-dummy-dai", | |
177 | .platform_name = "snd-soc-dummy", | |
178 | .no_pcm = 1, | |
179 | .codec_dai_name = "rt5677-aif2", | |
180 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
181 | SND_SOC_DAIFMT_CBM_CFM, | |
182 | }, | |
183 | ||
184 | }; | |
185 | ||
186 | static struct snd_soc_codec_conf mt8173_rt5650_rt5676_codec_conf[] = { | |
187 | { | |
188 | .name_prefix = "Sub", | |
189 | }, | |
190 | }; | |
191 | ||
192 | static struct snd_soc_card mt8173_rt5650_rt5676_card = { | |
193 | .name = "mtk-rt5650-rt5676", | |
194 | .dai_link = mt8173_rt5650_rt5676_dais, | |
195 | .num_links = ARRAY_SIZE(mt8173_rt5650_rt5676_dais), | |
196 | .codec_conf = mt8173_rt5650_rt5676_codec_conf, | |
197 | .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5676_codec_conf), | |
198 | .controls = mt8173_rt5650_rt5676_controls, | |
199 | .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5676_controls), | |
200 | .dapm_widgets = mt8173_rt5650_rt5676_widgets, | |
201 | .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5676_widgets), | |
202 | .dapm_routes = mt8173_rt5650_rt5676_routes, | |
203 | .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5676_routes), | |
204 | }; | |
205 | ||
206 | static int mt8173_rt5650_rt5676_dev_probe(struct platform_device *pdev) | |
207 | { | |
208 | struct snd_soc_card *card = &mt8173_rt5650_rt5676_card; | |
94319ba1 KC |
209 | struct device_node *platform_node; |
210 | int i, ret; | |
211 | ||
212 | platform_node = of_parse_phandle(pdev->dev.of_node, | |
213 | "mediatek,platform", 0); | |
214 | if (!platform_node) { | |
215 | dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); | |
216 | return -EINVAL; | |
217 | } | |
218 | ||
219 | for (i = 0; i < card->num_links; i++) { | |
220 | if (mt8173_rt5650_rt5676_dais[i].platform_name) | |
221 | continue; | |
222 | mt8173_rt5650_rt5676_dais[i].platform_of_node = platform_node; | |
223 | } | |
662e8d91 KC |
224 | |
225 | mt8173_rt5650_rt5676_codecs[0].of_node = | |
226 | of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); | |
227 | if (!mt8173_rt5650_rt5676_codecs[0].of_node) { | |
228 | dev_err(&pdev->dev, | |
229 | "Property 'audio-codec' missing or invalid\n"); | |
230 | return -EINVAL; | |
231 | } | |
232 | mt8173_rt5650_rt5676_codecs[1].of_node = | |
233 | of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); | |
234 | if (!mt8173_rt5650_rt5676_codecs[1].of_node) { | |
235 | dev_err(&pdev->dev, | |
236 | "Property 'audio-codec' missing or invalid\n"); | |
237 | return -EINVAL; | |
238 | } | |
239 | mt8173_rt5650_rt5676_codec_conf[0].of_node = | |
240 | mt8173_rt5650_rt5676_codecs[1].of_node; | |
241 | ||
242 | mt8173_rt5650_rt5676_dais[3].codec_of_node = | |
243 | mt8173_rt5650_rt5676_codecs[1].of_node; | |
244 | ||
245 | card->dev = &pdev->dev; | |
246 | platform_set_drvdata(pdev, card); | |
247 | ||
248 | ret = snd_soc_register_card(card); | |
249 | if (ret) | |
250 | dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", | |
251 | __func__, ret); | |
252 | return ret; | |
253 | } | |
254 | ||
255 | static int mt8173_rt5650_rt5676_dev_remove(struct platform_device *pdev) | |
256 | { | |
257 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
258 | ||
259 | snd_soc_unregister_card(card); | |
260 | return 0; | |
261 | } | |
262 | ||
263 | static const struct of_device_id mt8173_rt5650_rt5676_dt_match[] = { | |
264 | { .compatible = "mediatek,mt8173-rt5650-rt5676", }, | |
265 | { } | |
266 | }; | |
267 | MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5676_dt_match); | |
268 | ||
269 | static struct platform_driver mt8173_rt5650_rt5676_driver = { | |
270 | .driver = { | |
271 | .name = "mtk-rt5650-rt5676", | |
272 | .owner = THIS_MODULE, | |
273 | .of_match_table = mt8173_rt5650_rt5676_dt_match, | |
274 | #ifdef CONFIG_PM | |
275 | .pm = &snd_soc_pm_ops, | |
276 | #endif | |
277 | }, | |
278 | .probe = mt8173_rt5650_rt5676_dev_probe, | |
279 | .remove = mt8173_rt5650_rt5676_dev_remove, | |
280 | }; | |
281 | ||
282 | module_platform_driver(mt8173_rt5650_rt5676_driver); | |
283 | ||
284 | /* Module information */ | |
285 | MODULE_DESCRIPTION("MT8173 RT5650 and RT5676 SoC machine driver"); | |
286 | MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); | |
287 | MODULE_LICENSE("GPL v2"); | |
288 | MODULE_ALIAS("platform:mtk-rt5650-rt5676"); | |
289 |