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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
24#define MCLK_FOR_CODECS 12288000
25
26static const struct snd_soc_dapm_widget mt8173_rt5650_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
33static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = {
34 {"Speaker", NULL, "SPOL"},
35 {"Speaker", NULL, "SPOR"},
36 {"DMIC L1", NULL, "Int Mic"},
37 {"DMIC R1", 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
46static const struct snd_kcontrol_new mt8173_rt5650_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
53static int mt8173_rt5650_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
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
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
78static struct snd_soc_ops mt8173_rt5650_ops = {
79 .hw_params = mt8173_rt5650_hw_params,
80};
81
82static struct snd_soc_jack mt8173_rt5650_jack;
83
84static int mt8173_rt5650_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 const char *codec_capture_dai = runtime->codec_dais[1]->name;
89 int ret;
90
91 rt5645_sel_asrc_clk_src(codec,
92 RT5645_DA_STEREO_FILTER,
93 RT5645_CLK_SEL_I2S1_ASRC);
94
95 if (!strcmp(codec_capture_dai, "rt5645-aif1")) {
96 rt5645_sel_asrc_clk_src(codec,
97 RT5645_AD_STEREO_FILTER,
98 RT5645_CLK_SEL_I2S1_ASRC);
99 } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {
100 rt5645_sel_asrc_clk_src(codec,
101 RT5645_AD_STEREO_FILTER,
102 RT5645_CLK_SEL_I2S2_ASRC);
103 } else {
104 dev_warn(card->dev,
105 "Only one dai codec found in DTS, enabled rt5645 AD filter\n");
106 rt5645_sel_asrc_clk_src(codec,
107 RT5645_AD_STEREO_FILTER,
108 RT5645_CLK_SEL_I2S1_ASRC);
109 }
110
111
112 ret = snd_soc_card_jack_new(card, "Headset Jack",
113 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
114 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
115 SND_JACK_BTN_2 | SND_JACK_BTN_3,
116 &mt8173_rt5650_jack, NULL, 0);
117 if (ret) {
118 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
119 return ret;
120 }
121
122 return rt5645_set_jack_detect(codec,
123 &mt8173_rt5650_jack,
124 &mt8173_rt5650_jack,
125 &mt8173_rt5650_jack);
126}
127
128static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
129 {
130
131 .dai_name = "rt5645-aif1",
132 },
133 {
134
135 .dai_name = "rt5645-aif1",
136 },
137};
138
139enum {
140 DAI_LINK_PLAYBACK,
141 DAI_LINK_CAPTURE,
142 DAI_LINK_CODEC_I2S,
143};
144
145
146static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
147
148 [DAI_LINK_PLAYBACK] = {
149 .name = "rt5650 Playback",
150 .stream_name = "rt5650 Playback",
151 .cpu_dai_name = "DL1",
152 .codec_name = "snd-soc-dummy",
153 .codec_dai_name = "snd-soc-dummy-dai",
154 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
155 .dynamic = 1,
156 .dpcm_playback = 1,
157 },
158 [DAI_LINK_CAPTURE] = {
159 .name = "rt5650 Capture",
160 .stream_name = "rt5650 Capture",
161 .cpu_dai_name = "VUL",
162 .codec_name = "snd-soc-dummy",
163 .codec_dai_name = "snd-soc-dummy-dai",
164 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
165 .dynamic = 1,
166 .dpcm_capture = 1,
167 },
168
169 [DAI_LINK_CODEC_I2S] = {
170 .name = "Codec",
171 .cpu_dai_name = "I2S",
172 .no_pcm = 1,
173 .codecs = mt8173_rt5650_codecs,
174 .num_codecs = 2,
175 .init = mt8173_rt5650_init,
176 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
177 SND_SOC_DAIFMT_CBS_CFS,
178 .ops = &mt8173_rt5650_ops,
179 .ignore_pmdown_time = 1,
180 .dpcm_playback = 1,
181 .dpcm_capture = 1,
182 },
183};
184
185static struct snd_soc_card mt8173_rt5650_card = {
186 .name = "mtk-rt5650",
187 .owner = THIS_MODULE,
188 .dai_link = mt8173_rt5650_dais,
189 .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
190 .controls = mt8173_rt5650_controls,
191 .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
192 .dapm_widgets = mt8173_rt5650_widgets,
193 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
194 .dapm_routes = mt8173_rt5650_routes,
195 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
196};
197
198static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
199{
200 struct snd_soc_card *card = &mt8173_rt5650_card;
201 struct device_node *platform_node;
202 struct device_node *np;
203 const char *codec_capture_dai;
204 int i, ret;
205
206 platform_node = of_parse_phandle(pdev->dev.of_node,
207 "mediatek,platform", 0);
208 if (!platform_node) {
209 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
210 return -EINVAL;
211 }
212
213 for (i = 0; i < card->num_links; i++) {
214 if (mt8173_rt5650_dais[i].platform_name)
215 continue;
216 mt8173_rt5650_dais[i].platform_of_node = platform_node;
217 }
218
219 mt8173_rt5650_codecs[0].of_node =
220 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
221 if (!mt8173_rt5650_codecs[0].of_node) {
222 dev_err(&pdev->dev,
223 "Property 'audio-codec' missing or invalid\n");
224 return -EINVAL;
225 }
226 mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node;
227
228 if (of_find_node_by_name(platform_node, "codec-capture")) {
229 np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
230 if (!np) {
231 dev_err(&pdev->dev,
232 "%s: Can't find codec-capture DT node\n",
233 __func__);
234 return -EINVAL;
235 }
236 ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);
237 if (ret < 0) {
238 dev_err(&pdev->dev,
239 "%s codec_capture_dai name fail %d\n",
240 __func__, ret);
241 return ret;
242 }
243 mt8173_rt5650_codecs[1].dai_name = codec_capture_dai;
244 }
245
246 card->dev = &pdev->dev;
247 platform_set_drvdata(pdev, card);
248
249 ret = devm_snd_soc_register_card(&pdev->dev, card);
250 if (ret)
251 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
252 __func__, ret);
253 return ret;
254}
255
256static const struct of_device_id mt8173_rt5650_dt_match[] = {
257 { .compatible = "mediatek,mt8173-rt5650", },
258 { }
259};
260MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
261
262static struct platform_driver mt8173_rt5650_driver = {
263 .driver = {
264 .name = "mtk-rt5650",
265 .of_match_table = mt8173_rt5650_dt_match,
266#ifdef CONFIG_PM
267 .pm = &snd_soc_pm_ops,
268#endif
269 },
270 .probe = mt8173_rt5650_dev_probe,
271};
272
273module_platform_driver(mt8173_rt5650_driver);
274
275
276MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
277MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
278MODULE_LICENSE("GPL v2");
279MODULE_ALIAS("platform:mtk-rt5650");
280
281
