Commit | Line | Data |
---|---|---|
a54f6f0c KC |
1 | /* |
2 | * mt8173-max98090.c -- MT8173 MAX98090 ALSA SoC machine driver | |
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 <sound/soc.h> | |
19 | #include <sound/jack.h> | |
20 | #include <linux/gpio.h> | |
21 | #include "../codecs/max98090.h" | |
22 | ||
23 | static struct snd_soc_jack mt8173_max98090_jack; | |
24 | ||
25 | static struct snd_soc_jack_pin mt8173_max98090_jack_pins[] = { | |
26 | { | |
27 | .pin = "Headphone", | |
28 | .mask = SND_JACK_HEADPHONE, | |
29 | }, | |
30 | { | |
31 | .pin = "Headset Mic", | |
32 | .mask = SND_JACK_MICROPHONE, | |
33 | }, | |
34 | }; | |
35 | ||
36 | static const struct snd_soc_dapm_widget mt8173_max98090_widgets[] = { | |
37 | SND_SOC_DAPM_SPK("Speaker", NULL), | |
38 | SND_SOC_DAPM_MIC("Int Mic", NULL), | |
39 | SND_SOC_DAPM_HP("Headphone", NULL), | |
40 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
41 | }; | |
42 | ||
43 | static const struct snd_soc_dapm_route mt8173_max98090_routes[] = { | |
44 | {"Speaker", NULL, "SPKL"}, | |
45 | {"Speaker", NULL, "SPKR"}, | |
46 | {"DMICL", NULL, "Int Mic"}, | |
47 | {"Headphone", NULL, "HPL"}, | |
48 | {"Headphone", NULL, "HPR"}, | |
49 | {"Headset Mic", NULL, "MICBIAS"}, | |
50 | {"IN34", NULL, "Headset Mic"}, | |
51 | }; | |
52 | ||
53 | static const struct snd_kcontrol_new mt8173_max98090_controls[] = { | |
54 | SOC_DAPM_PIN_SWITCH("Speaker"), | |
55 | SOC_DAPM_PIN_SWITCH("Int Mic"), | |
56 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
57 | SOC_DAPM_PIN_SWITCH("Headset Mic"), | |
58 | }; | |
59 | ||
60 | static int mt8173_max98090_hw_params(struct snd_pcm_substream *substream, | |
61 | struct snd_pcm_hw_params *params) | |
62 | { | |
63 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
64 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
65 | ||
66 | return snd_soc_dai_set_sysclk(codec_dai, 0, params_rate(params) * 256, | |
67 | SND_SOC_CLOCK_IN); | |
68 | } | |
69 | ||
70 | static struct snd_soc_ops mt8173_max98090_ops = { | |
71 | .hw_params = mt8173_max98090_hw_params, | |
72 | }; | |
73 | ||
74 | static int mt8173_max98090_init(struct snd_soc_pcm_runtime *runtime) | |
75 | { | |
76 | int ret; | |
77 | struct snd_soc_card *card = runtime->card; | |
78 | struct snd_soc_codec *codec = runtime->codec; | |
79 | ||
80 | /* enable jack detection */ | |
81 | ret = snd_soc_card_jack_new(card, "Headphone", SND_JACK_HEADPHONE, | |
82 | &mt8173_max98090_jack, NULL, 0); | |
83 | if (ret) { | |
84 | dev_err(card->dev, "Can't snd_soc_jack_new %d\n", ret); | |
85 | return ret; | |
86 | } | |
87 | ||
88 | ret = snd_soc_jack_add_pins(&mt8173_max98090_jack, | |
89 | ARRAY_SIZE(mt8173_max98090_jack_pins), | |
90 | mt8173_max98090_jack_pins); | |
91 | if (ret) { | |
92 | dev_err(card->dev, "Can't snd_soc_jack_add_pins %d\n", ret); | |
93 | return ret; | |
94 | } | |
95 | ||
96 | return max98090_mic_detect(codec, &mt8173_max98090_jack); | |
97 | } | |
98 | ||
99 | /* Digital audio interface glue - connects codec <---> CPU */ | |
100 | static struct snd_soc_dai_link mt8173_max98090_dais[] = { | |
101 | /* Front End DAI links */ | |
102 | { | |
103 | .name = "MAX98090 Playback", | |
104 | .stream_name = "MAX98090 Playback", | |
105 | .cpu_dai_name = "DL1", | |
a54f6f0c KC |
106 | .codec_name = "snd-soc-dummy", |
107 | .codec_dai_name = "snd-soc-dummy-dai", | |
108 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
109 | .dynamic = 1, | |
110 | .dpcm_playback = 1, | |
111 | }, | |
112 | { | |
113 | .name = "MAX98090 Capture", | |
114 | .stream_name = "MAX98090 Capture", | |
115 | .cpu_dai_name = "VUL", | |
a54f6f0c KC |
116 | .codec_name = "snd-soc-dummy", |
117 | .codec_dai_name = "snd-soc-dummy-dai", | |
118 | .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, | |
119 | .dynamic = 1, | |
120 | .dpcm_capture = 1, | |
121 | }, | |
122 | /* Back End DAI links */ | |
123 | { | |
124 | .name = "Codec", | |
125 | .cpu_dai_name = "I2S", | |
a54f6f0c KC |
126 | .no_pcm = 1, |
127 | .codec_dai_name = "HiFi", | |
128 | .init = mt8173_max98090_init, | |
129 | .ops = &mt8173_max98090_ops, | |
130 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
131 | SND_SOC_DAIFMT_CBS_CFS, | |
132 | .dpcm_playback = 1, | |
133 | .dpcm_capture = 1, | |
134 | }, | |
135 | }; | |
136 | ||
137 | static struct snd_soc_card mt8173_max98090_card = { | |
138 | .name = "mt8173-max98090", | |
139 | .dai_link = mt8173_max98090_dais, | |
140 | .num_links = ARRAY_SIZE(mt8173_max98090_dais), | |
141 | .controls = mt8173_max98090_controls, | |
142 | .num_controls = ARRAY_SIZE(mt8173_max98090_controls), | |
143 | .dapm_widgets = mt8173_max98090_widgets, | |
144 | .num_dapm_widgets = ARRAY_SIZE(mt8173_max98090_widgets), | |
145 | .dapm_routes = mt8173_max98090_routes, | |
146 | .num_dapm_routes = ARRAY_SIZE(mt8173_max98090_routes), | |
147 | }; | |
148 | ||
149 | static int mt8173_max98090_dev_probe(struct platform_device *pdev) | |
150 | { | |
151 | struct snd_soc_card *card = &mt8173_max98090_card; | |
94319ba1 | 152 | struct device_node *codec_node, *platform_node; |
a54f6f0c KC |
153 | int ret, i; |
154 | ||
94319ba1 KC |
155 | platform_node = of_parse_phandle(pdev->dev.of_node, |
156 | "mediatek,platform", 0); | |
157 | if (!platform_node) { | |
158 | dev_err(&pdev->dev, "Property 'platform' missing or invalid\n"); | |
159 | return -EINVAL; | |
160 | } | |
161 | for (i = 0; i < card->num_links; i++) { | |
162 | if (mt8173_max98090_dais[i].platform_name) | |
163 | continue; | |
164 | mt8173_max98090_dais[i].platform_of_node = platform_node; | |
165 | } | |
166 | ||
a54f6f0c KC |
167 | codec_node = of_parse_phandle(pdev->dev.of_node, |
168 | "mediatek,audio-codec", 0); | |
169 | if (!codec_node) { | |
170 | dev_err(&pdev->dev, | |
171 | "Property 'audio-codec' missing or invalid\n"); | |
172 | return -EINVAL; | |
173 | } | |
174 | for (i = 0; i < card->num_links; i++) { | |
175 | if (mt8173_max98090_dais[i].codec_name) | |
176 | continue; | |
177 | mt8173_max98090_dais[i].codec_of_node = codec_node; | |
178 | } | |
179 | card->dev = &pdev->dev; | |
180 | ||
181 | ret = snd_soc_register_card(card); | |
182 | if (ret) | |
183 | dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n", | |
184 | __func__, ret); | |
185 | return ret; | |
186 | } | |
187 | ||
188 | static int mt8173_max98090_dev_remove(struct platform_device *pdev) | |
189 | { | |
190 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
191 | ||
192 | snd_soc_unregister_card(card); | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static const struct of_device_id mt8173_max98090_dt_match[] = { | |
197 | { .compatible = "mediatek,mt8173-max98090", }, | |
198 | { } | |
199 | }; | |
200 | MODULE_DEVICE_TABLE(of, mt8173_max98090_dt_match); | |
201 | ||
202 | static struct platform_driver mt8173_max98090_driver = { | |
203 | .driver = { | |
204 | .name = "mt8173-max98090", | |
205 | .owner = THIS_MODULE, | |
206 | .of_match_table = mt8173_max98090_dt_match, | |
207 | #ifdef CONFIG_PM | |
208 | .pm = &snd_soc_pm_ops, | |
209 | #endif | |
210 | }, | |
211 | .probe = mt8173_max98090_dev_probe, | |
212 | .remove = mt8173_max98090_dev_remove, | |
213 | }; | |
214 | ||
215 | module_platform_driver(mt8173_max98090_driver); | |
216 | ||
217 | /* Module information */ | |
218 | MODULE_DESCRIPTION("MT8173 MAX98090 ALSA SoC machine driver"); | |
219 | MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>"); | |
220 | MODULE_LICENSE("GPL v2"); | |
221 | MODULE_ALIAS("platform:mt8173-max98090"); | |
222 |