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9#include <linux/module.h>
10#include <sound/soc.h>
11#include <sound/jack.h>
12#include <linux/gpio.h>
13#include "../../codecs/max98090.h"
14
15static struct snd_soc_jack mt8173_max98090_jack;
16
17static struct snd_soc_jack_pin mt8173_max98090_jack_pins[] = {
18 {
19 .pin = "Headphone",
20 .mask = SND_JACK_HEADPHONE,
21 },
22 {
23 .pin = "Headset Mic",
24 .mask = SND_JACK_MICROPHONE,
25 },
26};
27
28static const struct snd_soc_dapm_widget mt8173_max98090_widgets[] = {
29 SND_SOC_DAPM_SPK("Speaker", NULL),
30 SND_SOC_DAPM_MIC("Int Mic", NULL),
31 SND_SOC_DAPM_HP("Headphone", NULL),
32 SND_SOC_DAPM_MIC("Headset Mic", NULL),
33};
34
35static const struct snd_soc_dapm_route mt8173_max98090_routes[] = {
36 {"Speaker", NULL, "SPKL"},
37 {"Speaker", NULL, "SPKR"},
38 {"DMICL", NULL, "Int Mic"},
39 {"Headphone", NULL, "HPL"},
40 {"Headphone", NULL, "HPR"},
41 {"Headset Mic", NULL, "MICBIAS"},
42 {"IN34", NULL, "Headset Mic"},
43};
44
45static const struct snd_kcontrol_new mt8173_max98090_controls[] = {
46 SOC_DAPM_PIN_SWITCH("Speaker"),
47 SOC_DAPM_PIN_SWITCH("Int Mic"),
48 SOC_DAPM_PIN_SWITCH("Headphone"),
49 SOC_DAPM_PIN_SWITCH("Headset Mic"),
50};
51
52static int mt8173_max98090_hw_params(struct snd_pcm_substream *substream,
53 struct snd_pcm_hw_params *params)
54{
55 struct snd_soc_pcm_runtime *rtd = substream->private_data;
56 struct snd_soc_dai *codec_dai = rtd->codec_dai;
57
58 return snd_soc_dai_set_sysclk(codec_dai, 0, params_rate(params) * 256,
59 SND_SOC_CLOCK_IN);
60}
61
62static const struct snd_soc_ops mt8173_max98090_ops = {
63 .hw_params = mt8173_max98090_hw_params,
64};
65
66static int mt8173_max98090_init(struct snd_soc_pcm_runtime *runtime)
67{
68 int ret;
69 struct snd_soc_card *card = runtime->card;
70 struct snd_soc_component *component = runtime->codec_dai->component;
71
72
73 ret = snd_soc_card_jack_new(card, "Headphone", SND_JACK_HEADPHONE,
74 &mt8173_max98090_jack,
75 mt8173_max98090_jack_pins,
76 ARRAY_SIZE(mt8173_max98090_jack_pins));
77 if (ret) {
78 dev_err(card->dev, "Can't create a new Jack %d\n", ret);
79 return ret;
80 }
81
82 return max98090_mic_detect(component, &mt8173_max98090_jack);
83}
84
85
86static struct snd_soc_dai_link mt8173_max98090_dais[] = {
87
88 {
89 .name = "MAX98090 Playback",
90 .stream_name = "MAX98090 Playback",
91 .cpu_dai_name = "DL1",
92 .codec_name = "snd-soc-dummy",
93 .codec_dai_name = "snd-soc-dummy-dai",
94 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
95 .dynamic = 1,
96 .dpcm_playback = 1,
97 },
98 {
99 .name = "MAX98090 Capture",
100 .stream_name = "MAX98090 Capture",
101 .cpu_dai_name = "VUL",
102 .codec_name = "snd-soc-dummy",
103 .codec_dai_name = "snd-soc-dummy-dai",
104 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
105 .dynamic = 1,
106 .dpcm_capture = 1,
107 },
108
109 {
110 .name = "Codec",
111 .cpu_dai_name = "I2S",
112 .no_pcm = 1,
113 .codec_dai_name = "HiFi",
114 .init = mt8173_max98090_init,
115 .ops = &mt8173_max98090_ops,
116 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
117 SND_SOC_DAIFMT_CBS_CFS,
118 .dpcm_playback = 1,
119 .dpcm_capture = 1,
120 },
121};
122
123static struct snd_soc_card mt8173_max98090_card = {
124 .name = "mt8173-max98090",
125 .owner = THIS_MODULE,
126 .dai_link = mt8173_max98090_dais,
127 .num_links = ARRAY_SIZE(mt8173_max98090_dais),
128 .controls = mt8173_max98090_controls,
129 .num_controls = ARRAY_SIZE(mt8173_max98090_controls),
130 .dapm_widgets = mt8173_max98090_widgets,
131 .num_dapm_widgets = ARRAY_SIZE(mt8173_max98090_widgets),
132 .dapm_routes = mt8173_max98090_routes,
133 .num_dapm_routes = ARRAY_SIZE(mt8173_max98090_routes),
134};
135
136static int mt8173_max98090_dev_probe(struct platform_device *pdev)
137{
138 struct snd_soc_card *card = &mt8173_max98090_card;
139 struct device_node *codec_node, *platform_node;
140 struct snd_soc_dai_link *dai_link;
141 int ret, i;
142
143 platform_node = of_parse_phandle(pdev->dev.of_node,
144 "mediatek,platform", 0);
145 if (!platform_node) {
146 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
147 return -EINVAL;
148 }
149 for_each_card_prelinks(card, i, dai_link) {
150 if (dai_link->platform_name)
151 continue;
152 dai_link->platform_of_node = platform_node;
153 }
154
155 codec_node = of_parse_phandle(pdev->dev.of_node,
156 "mediatek,audio-codec", 0);
157 if (!codec_node) {
158 dev_err(&pdev->dev,
159 "Property 'audio-codec' missing or invalid\n");
160 return -EINVAL;
161 }
162 for_each_card_prelinks(card, i, dai_link) {
163 if (dai_link->codec_name)
164 continue;
165 dai_link->codec_of_node = codec_node;
166 }
167 card->dev = &pdev->dev;
168
169 ret = devm_snd_soc_register_card(&pdev->dev, card);
170 if (ret)
171 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
172 __func__, ret);
173 return ret;
174}
175
176static const struct of_device_id mt8173_max98090_dt_match[] = {
177 { .compatible = "mediatek,mt8173-max98090", },
178 { }
179};
180MODULE_DEVICE_TABLE(of, mt8173_max98090_dt_match);
181
182static struct platform_driver mt8173_max98090_driver = {
183 .driver = {
184 .name = "mt8173-max98090",
185 .of_match_table = mt8173_max98090_dt_match,
186#ifdef CONFIG_PM
187 .pm = &snd_soc_pm_ops,
188#endif
189 },
190 .probe = mt8173_max98090_dev_probe,
191};
192
193module_platform_driver(mt8173_max98090_driver);
194
195
196MODULE_DESCRIPTION("MT8173 MAX98090 ALSA SoC machine driver");
197MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
198MODULE_LICENSE("GPL v2");
199MODULE_ALIAS("platform:mt8173-max98090");
200
201
