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1 | /* |
2 | * mt8173-rt5650-rt5514.c -- MT8173 machine driver with RT5650/5514 codecs | |
3 | * | |
4 | * Copyright (c) 2016 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> | |
0d1d7a66 | 22 | #include "../../codecs/rt5645.h" |
0c71367d KC |
23 | |
24 | #define MCLK_FOR_CODECS 12288000 | |
25 | ||
26 | static const struct snd_soc_dapm_widget mt8173_rt5650_rt5514_widgets[] = { | |
27 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
28 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
29 | SND_SOC_DAPM_HP("Headphone", NULL), | |
30 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
31 | }; | |
32 | ||
33 | static const struct snd_soc_dapm_route mt8173_rt5650_rt5514_routes[] = { | |
34 | {"Speaker", NULL, "SPOL"}, | |
35 | {"Speaker", NULL, "SPOR"}, | |
36 | {"Sub DMIC1L", NULL, "Int Mic"}, | |
37 | {"Sub DMIC1R", NULL, "Int Mic"}, | |
38 | {"Headphone", NULL, "HPOL"}, | |
39 | {"Headphone", NULL, "HPOR"}, | |
40 | {"Headset Mic", NULL, "micbias1"}, | |
41 | {"Headset Mic", NULL, "micbias2"}, | |
42 | {"IN1P", NULL, "Headset Mic"}, | |
43 | {"IN1N", NULL, "Headset Mic"}, | |
44 | }; | |
45 | ||
46 | static const struct snd_kcontrol_new mt8173_rt5650_rt5514_controls[] = { | |
47 | SOC_DAPM_PIN_SWITCH("Speaker"), | |
48 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
49 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
50 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
51 | }; | |
52 | ||
53 | static int mt8173_rt5650_rt5514_hw_params(struct snd_pcm_substream *substream, | |
54 | struct snd_pcm_hw_params *params) | |
55 | { | |
56 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
57 | int i, ret; | |
58 | ||
59 | for (i = 0; i < rtd->num_codecs; i++) { | |
60 | struct snd_soc_dai *codec_dai = rtd->codec_dais[i]; | |
61 | ||
62 | /* pll from mclk 12.288M */ | |
63 | ret = snd_soc_dai_set_pll(codec_dai, 0, 0, MCLK_FOR_CODECS, | |
64 | params_rate(params) * 512); | |
65 | if (ret) | |
66 | return ret; | |
67 | ||
68 | /* sysclk from pll */ | |
69 | ret = snd_soc_dai_set_sysclk(codec_dai, 1, | |
70 | params_rate(params) * 512, | |
71 | SND_SOC_CLOCK_IN); | |
72 | if (ret) | |
73 | return ret; | |
74 | } | |
75 | return 0; | |
76 | } | |
77 | ||
424dfbf2 | 78 | static const struct snd_soc_ops mt8173_rt5650_rt5514_ops = { |
0c71367d KC |
79 | .hw_params = mt8173_rt5650_rt5514_hw_params, |
80 | }; | |
81 | ||
82 | static struct snd_soc_jack mt8173_rt5650_rt5514_jack; | |
83 | ||
84 | static int mt8173_rt5650_rt5514_init(struct snd_soc_pcm_runtime *runtime) | |
85 | { | |
86 | struct snd_soc_card *card = runtime->card; | |
87 | struct snd_soc_codec *codec = runtime->codec_dais[0]->codec; | |
88 | int ret; | |
89 | ||
90 | rt5645_sel_asrc_clk_src(codec, | |
91 | RT5645_DA_STEREO_FILTER | | |
92 | RT5645_AD_STEREO_FILTER, | |
93 | RT5645_CLK_SEL_I2S1_ASRC); | |
94 | ||
95 | /* enable jack detection */ | |
96 | ret = snd_soc_card_jack_new(card, "Headset Jack", | |
97 | SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | | |
98 | SND_JACK_BTN_0 | SND_JACK_BTN_1 | | |
99 | SND_JACK_BTN_2 | SND_JACK_BTN_3, | |
100 | &mt8173_rt5650_rt5514_jack, NULL, 0); | |
101 | if (ret) { | |
102 | dev_err(card->dev, "Can't new Headset Jack %d\n", ret); | |
103 | return ret; | |
104 | } | |
105 | ||
106 | return rt5645_set_jack_detect(codec, | |
107 | &mt8173_rt5650_rt5514_jack, | |
108 | &mt8173_rt5650_rt5514_jack, | |
109 | &mt8173_rt5650_rt5514_jack); | |
110 | } | |
111 | ||
112 | static struct snd_soc_dai_link_component mt8173_rt5650_rt5514_codecs[] = { | |
113 | { | |
114 | .dai_name = "rt5645-aif1", | |
115 | }, | |
116 | { | |
117 | .dai_name = "rt5514-aif1", | |
118 | }, | |
119 | }; | |
120 | ||
121 | enum { | |
122 | DAI_LINK_PLAYBACK, | |
123 | DAI_LINK_CAPTURE, | |
124 | DAI_LINK_CODEC_I2S, | |
125 | }; | |
126 | ||
127 | /* Digital audio interface glue - connects codec <---> CPU */ | |
128 | static struct snd_soc_dai_link mt8173_rt5650_rt5514_dais[] = { | |
129 | /* Front End DAI links */ | |
130 | [DAI_LINK_PLAYBACK] = { | |
131 | .name = "rt5650_rt5514 Playback", | |
132 | .stream_name = "rt5650_rt5514 Playback", | |
133 | .cpu_dai_name = "DL1", | |
134 | .codec_name = "snd-soc-dummy", | |
135 | .codec_dai_name = "snd-soc-dummy-dai", | |
136 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
137 | .dynamic = 1, | |
138 | .dpcm_playback = 1, | |
139 | }, | |
140 | [DAI_LINK_CAPTURE] = { | |
141 | .name = "rt5650_rt5514 Capture", | |
142 | .stream_name = "rt5650_rt5514 Capture", | |
143 | .cpu_dai_name = "VUL", | |
144 | .codec_name = "snd-soc-dummy", | |
145 | .codec_dai_name = "snd-soc-dummy-dai", | |
146 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
147 | .dynamic = 1, | |
148 | .dpcm_capture = 1, | |
149 | }, | |
150 | /* Back End DAI links */ | |
151 | [DAI_LINK_CODEC_I2S] = { | |
152 | .name = "Codec", | |
153 | .cpu_dai_name = "I2S", | |
154 | .no_pcm = 1, | |
155 | .codecs = mt8173_rt5650_rt5514_codecs, | |
156 | .num_codecs = 2, | |
157 | .init = mt8173_rt5650_rt5514_init, | |
158 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
159 | SND_SOC_DAIFMT_CBS_CFS, | |
160 | .ops = &mt8173_rt5650_rt5514_ops, | |
161 | .ignore_pmdown_time = 1, | |
162 | .dpcm_playback = 1, | |
163 | .dpcm_capture = 1, | |
164 | }, | |
165 | }; | |
166 | ||
167 | static struct snd_soc_codec_conf mt8173_rt5650_rt5514_codec_conf[] = { | |
168 | { | |
169 | .name_prefix = "Sub", | |
170 | }, | |
171 | }; | |
172 | ||
173 | static struct snd_soc_card mt8173_rt5650_rt5514_card = { | |
174 | .name = "mtk-rt5650-rt5514", | |
175 | .owner = THIS_MODULE, | |
176 | .dai_link = mt8173_rt5650_rt5514_dais, | |
177 | .num_links = ARRAY_SIZE(mt8173_rt5650_rt5514_dais), | |
178 | .codec_conf = mt8173_rt5650_rt5514_codec_conf, | |
179 | .num_configs = ARRAY_SIZE(mt8173_rt5650_rt5514_codec_conf), | |
180 | .controls = mt8173_rt5650_rt5514_controls, | |
181 | .num_controls = ARRAY_SIZE(mt8173_rt5650_rt5514_controls), | |
182 | .dapm_widgets = mt8173_rt5650_rt5514_widgets, | |
183 | .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_rt5514_widgets), | |
184 | .dapm_routes = mt8173_rt5650_rt5514_routes, | |
185 | .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_rt5514_routes), | |
186 | }; | |
187 | ||
188 | static int mt8173_rt5650_rt5514_dev_probe(struct platform_device *pdev) | |
189 | { | |
190 | struct snd_soc_card *card = &mt8173_rt5650_rt5514_card; | |
191 | struct device_node *platform_node; | |
192 | int i, ret; | |
193 | ||
194 | platform_node = of_parse_phandle(pdev->dev.of_node, | |
195 | "mediatek,platform", 0); | |
196 | if (!platform_node) { | |
197 | dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); | |
198 | return -EINVAL; | |
199 | } | |
200 | ||
201 | for (i = 0; i < card->num_links; i++) { | |
202 | if (mt8173_rt5650_rt5514_dais[i].platform_name) | |
203 | continue; | |
204 | mt8173_rt5650_rt5514_dais[i].platform_of_node = platform_node; | |
205 | } | |
206 | ||
207 | mt8173_rt5650_rt5514_codecs[0].of_node = | |
208 | of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0); | |
209 | if (!mt8173_rt5650_rt5514_codecs[0].of_node) { | |
210 | dev_err(&pdev->dev, | |
211 | "Property 'audio-codec' missing or invalid\n"); | |
212 | return -EINVAL; | |
213 | } | |
214 | mt8173_rt5650_rt5514_codecs[1].of_node = | |
215 | of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1); | |
216 | if (!mt8173_rt5650_rt5514_codecs[1].of_node) { | |
217 | dev_err(&pdev->dev, | |
218 | "Property 'audio-codec' missing or invalid\n"); | |
219 | return -EINVAL; | |
220 | } | |
221 | mt8173_rt5650_rt5514_codec_conf[0].of_node = | |
222 | mt8173_rt5650_rt5514_codecs[1].of_node; | |
223 | ||
224 | card->dev = &pdev->dev; | |
0c71367d KC |
225 | |
226 | ret = devm_snd_soc_register_card(&pdev->dev, card); | |
227 | if (ret) | |
228 | dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", | |
229 | __func__, ret); | |
230 | return ret; | |
231 | } | |
232 | ||
233 | static const struct of_device_id mt8173_rt5650_rt5514_dt_match[] = { | |
234 | { .compatible = "mediatek,mt8173-rt5650-rt5514", }, | |
235 | { } | |
236 | }; | |
237 | MODULE_DEVICE_TABLE(of, mt8173_rt5650_rt5514_dt_match); | |
238 | ||
239 | static struct platform_driver mt8173_rt5650_rt5514_driver = { | |
240 | .driver = { | |
241 | .name = "mtk-rt5650-rt5514", | |
242 | .of_match_table = mt8173_rt5650_rt5514_dt_match, | |
243 | #ifdef CONFIG_PM | |
244 | .pm = &snd_soc_pm_ops, | |
245 | #endif | |
246 | }, | |
247 | .probe = mt8173_rt5650_rt5514_dev_probe, | |
248 | }; | |
249 | ||
250 | module_platform_driver(mt8173_rt5650_rt5514_driver); | |
251 | ||
252 | /* Module information */ | |
253 | MODULE_DESCRIPTION("MT8173 RT5650 and RT5514 SoC machine driver"); | |
254 | MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); | |
255 | MODULE_LICENSE("GPL v2"); | |
256 | MODULE_ALIAS("platform:mtk-rt5650-rt5514"); | |
257 |