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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
23static struct snd_soc_jack mt8173_max98090_jack;
24
25static 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
36static 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
43static 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
53static 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
60static 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
70static const struct snd_soc_ops mt8173_max98090_ops = {
71 .hw_params = mt8173_max98090_hw_params,
72};
73
74static 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
81 ret = snd_soc_card_jack_new(card, "Headphone", SND_JACK_HEADPHONE,
82 &mt8173_max98090_jack,
83 mt8173_max98090_jack_pins,
84 ARRAY_SIZE(mt8173_max98090_jack_pins));
85 if (ret) {
86 dev_err(card->dev, "Can't create a new Jack %d\n", ret);
87 return ret;
88 }
89
90 return max98090_mic_detect(codec, &mt8173_max98090_jack);
91}
92
93
94static struct snd_soc_dai_link mt8173_max98090_dais[] = {
95
96 {
97 .name = "MAX98090 Playback",
98 .stream_name = "MAX98090 Playback",
99 .cpu_dai_name = "DL1",
100 .codec_name = "snd-soc-dummy",
101 .codec_dai_name = "snd-soc-dummy-dai",
102 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
103 .dynamic = 1,
104 .dpcm_playback = 1,
105 },
106 {
107 .name = "MAX98090 Capture",
108 .stream_name = "MAX98090 Capture",
109 .cpu_dai_name = "VUL",
110 .codec_name = "snd-soc-dummy",
111 .codec_dai_name = "snd-soc-dummy-dai",
112 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
113 .dynamic = 1,
114 .dpcm_capture = 1,
115 },
116
117 {
118 .name = "Codec",
119 .cpu_dai_name = "I2S",
120 .no_pcm = 1,
121 .codec_dai_name = "HiFi",
122 .init = mt8173_max98090_init,
123 .ops = &mt8173_max98090_ops,
124 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
125 SND_SOC_DAIFMT_CBS_CFS,
126 .dpcm_playback = 1,
127 .dpcm_capture = 1,
128 },
129};
130
131static struct snd_soc_card mt8173_max98090_card = {
132 .name = "mt8173-max98090",
133 .owner = THIS_MODULE,
134 .dai_link = mt8173_max98090_dais,
135 .num_links = ARRAY_SIZE(mt8173_max98090_dais),
136 .controls = mt8173_max98090_controls,
137 .num_controls = ARRAY_SIZE(mt8173_max98090_controls),
138 .dapm_widgets = mt8173_max98090_widgets,
139 .num_dapm_widgets = ARRAY_SIZE(mt8173_max98090_widgets),
140 .dapm_routes = mt8173_max98090_routes,
141 .num_dapm_routes = ARRAY_SIZE(mt8173_max98090_routes),
142};
143
144static int mt8173_max98090_dev_probe(struct platform_device *pdev)
145{
146 struct snd_soc_card *card = &mt8173_max98090_card;
147 struct device_node *codec_node, *platform_node;
148 int ret, i;
149
150 platform_node = of_parse_phandle(pdev->dev.of_node,
151 "mediatek,platform", 0);
152 if (!platform_node) {
153 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
154 return -EINVAL;
155 }
156 for (i = 0; i < card->num_links; i++) {
157 if (mt8173_max98090_dais[i].platform_name)
158 continue;
159 mt8173_max98090_dais[i].platform_of_node = platform_node;
160 }
161
162 codec_node = of_parse_phandle(pdev->dev.of_node,
163 "mediatek,audio-codec", 0);
164 if (!codec_node) {
165 dev_err(&pdev->dev,
166 "Property 'audio-codec' missing or invalid\n");
167 return -EINVAL;
168 }
169 for (i = 0; i < card->num_links; i++) {
170 if (mt8173_max98090_dais[i].codec_name)
171 continue;
172 mt8173_max98090_dais[i].codec_of_node = codec_node;
173 }
174 card->dev = &pdev->dev;
175
176 ret = devm_snd_soc_register_card(&pdev->dev, card);
177 if (ret)
178 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
179 __func__, ret);
180 return ret;
181}
182
183static const struct of_device_id mt8173_max98090_dt_match[] = {
184 { .compatible = "mediatek,mt8173-max98090", },
185 { }
186};
187MODULE_DEVICE_TABLE(of, mt8173_max98090_dt_match);
188
189static struct platform_driver mt8173_max98090_driver = {
190 .driver = {
191 .name = "mt8173-max98090",
192 .of_match_table = mt8173_max98090_dt_match,
193#ifdef CONFIG_PM
194 .pm = &snd_soc_pm_ops,
195#endif
196 },
197 .probe = mt8173_max98090_dev_probe,
198};
199
200module_platform_driver(mt8173_max98090_driver);
201
202
203MODULE_DESCRIPTION("MT8173 MAX98090 ALSA SoC machine driver");
204MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
205MODULE_LICENSE("GPL v2");
206MODULE_ALIAS("platform:mt8173-max98090");
207
208
