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9#include <linux/module.h>
10#include <linux/gpio.h>
11#include <linux/of_gpio.h>
12#include <sound/soc.h>
13#include <sound/jack.h>
14#include "../../codecs/rt5645.h"
15
16#define MCLK_FOR_CODECS 12288000
17
18enum mt8173_rt5650_mclk {
19 MT8173_RT5650_MCLK_EXTERNAL = 0,
20 MT8173_RT5650_MCLK_INTERNAL,
21};
22
23struct mt8173_rt5650_platform_data {
24 enum mt8173_rt5650_mclk pll_from;
25
26};
27
28static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = {
29 .pll_from = MT8173_RT5650_MCLK_EXTERNAL,
30};
31
32static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = {
33 SND_SOC_DAPM_SPK("Speaker", NULL),
34 SND_SOC_DAPM_MIC("Int Mic", NULL),
35 SND_SOC_DAPM_HP("Headphone", NULL),
36 SND_SOC_DAPM_MIC("Headset Mic", NULL),
37};
38
39static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = {
40 {"Speaker", NULL, "SPOL"},
41 {"Speaker", NULL, "SPOR"},
42 {"DMIC L1", NULL, "Int Mic"},
43 {"DMIC R1", NULL, "Int Mic"},
44 {"Headphone", NULL, "HPOL"},
45 {"Headphone", NULL, "HPOR"},
46 {"IN1P", NULL, "Headset Mic"},
47 {"IN1N", NULL, "Headset Mic"},
48};
49
50static const struct snd_kcontrol_new mt8173_rt5650_controls[] = {
51 SOC_DAPM_PIN_SWITCH("Speaker"),
52 SOC_DAPM_PIN_SWITCH("Int Mic"),
53 SOC_DAPM_PIN_SWITCH("Headphone"),
54 SOC_DAPM_PIN_SWITCH("Headset Mic"),
55};
56
57static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream,
58 struct snd_pcm_hw_params *params)
59{
60 struct snd_soc_pcm_runtime *rtd = substream->private_data;
61 unsigned int mclk_clock;
62 int i, ret;
63
64 switch (mt8173_rt5650_priv.pll_from) {
65 case MT8173_RT5650_MCLK_EXTERNAL:
66
67 mclk_clock = MCLK_FOR_CODECS;
68 break;
69 case MT8173_RT5650_MCLK_INTERNAL:
70
71 mclk_clock = params_rate(params) * 256;
72 break;
73 default:
74
75 mclk_clock = MCLK_FOR_CODECS;
76 break;
77 }
78
79 for (i = 0; i < rtd->num_codecs; i++) {
80 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
81
82
83 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock,
84 params_rate(params) * 512);
85 if (ret)
86 return ret;
87
88
89 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
90 params_rate(params) * 512,
91 SND_SOC_CLOCK_IN);
92 if (ret)
93 return ret;
94 }
95 return 0;
96}
97
98static const struct snd_soc_ops mt8173_rt5650_ops = {
99 .hw_params = mt8173_rt5650_hw_params,
100};
101
102static struct snd_soc_jack mt8173_rt5650_jack;
103
104static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
105{
106 struct snd_soc_card *card = runtime->card;
107 struct snd_soc_component *component = runtime->codec_dais[0]->component;
108 const char *codec_capture_dai = runtime->codec_dais[1]->name;
109 int ret;
110
111 rt5645_sel_asrc_clk_src(component,
112 RT5645_DA_STEREO_FILTER,
113 RT5645_CLK_SEL_I2S1_ASRC);
114
115 if (!strcmp(codec_capture_dai, "rt5645-aif1")) {
116 rt5645_sel_asrc_clk_src(component,
117 RT5645_AD_STEREO_FILTER,
118 RT5645_CLK_SEL_I2S1_ASRC);
119 } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {
120 rt5645_sel_asrc_clk_src(component,
121 RT5645_AD_STEREO_FILTER,
122 RT5645_CLK_SEL_I2S2_ASRC);
123 } else {
124 dev_warn(card->dev,
125 "Only one dai codec found in DTS, enabled rt5645 AD filter\n");
126 rt5645_sel_asrc_clk_src(component,
127 RT5645_AD_STEREO_FILTER,
128 RT5645_CLK_SEL_I2S1_ASRC);
129 }
130
131
132 ret = snd_soc_card_jack_new(card, "Headset Jack",
133 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
134 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
135 SND_JACK_BTN_2 | SND_JACK_BTN_3,
136 &mt8173_rt5650_jack, NULL, 0);
137 if (ret) {
138 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
139 return ret;
140 }
141
142 return rt5645_set_jack_detect(component,
143 &mt8173_rt5650_jack,
144 &mt8173_rt5650_jack,
145 &mt8173_rt5650_jack);
146}
147
148static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
149 {
150
151 .dai_name = "rt5645-aif1",
152 },
153 {
154
155 .dai_name = "rt5645-aif1",
156 },
157};
158
159enum {
160 DAI_LINK_PLAYBACK,
161 DAI_LINK_CAPTURE,
162 DAI_LINK_HDMI,
163 DAI_LINK_CODEC_I2S,
164 DAI_LINK_HDMI_I2S,
165};
166
167
168static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
169
170 [DAI_LINK_PLAYBACK] = {
171 .name = "rt5650 Playback",
172 .stream_name = "rt5650 Playback",
173 .cpu_dai_name = "DL1",
174 .codec_name = "snd-soc-dummy",
175 .codec_dai_name = "snd-soc-dummy-dai",
176 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
177 .dynamic = 1,
178 .dpcm_playback = 1,
179 },
180 [DAI_LINK_CAPTURE] = {
181 .name = "rt5650 Capture",
182 .stream_name = "rt5650 Capture",
183 .cpu_dai_name = "VUL",
184 .codec_name = "snd-soc-dummy",
185 .codec_dai_name = "snd-soc-dummy-dai",
186 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
187 .dynamic = 1,
188 .dpcm_capture = 1,
189 },
190 [DAI_LINK_HDMI] = {
191 .name = "HDMI",
192 .stream_name = "HDMI PCM",
193 .cpu_dai_name = "HDMI",
194 .codec_name = "snd-soc-dummy",
195 .codec_dai_name = "snd-soc-dummy-dai",
196 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
197 .dynamic = 1,
198 .dpcm_playback = 1,
199 },
200
201 [DAI_LINK_CODEC_I2S] = {
202 .name = "Codec",
203 .cpu_dai_name = "I2S",
204 .no_pcm = 1,
205 .codecs = mt8173_rt5650_codecs,
206 .num_codecs = 2,
207 .init = mt8173_rt5650_init,
208 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
209 SND_SOC_DAIFMT_CBS_CFS,
210 .ops = &mt8173_rt5650_ops,
211 .ignore_pmdown_time = 1,
212 .dpcm_playback = 1,
213 .dpcm_capture = 1,
214 },
215 [DAI_LINK_HDMI_I2S] = {
216 .name = "HDMI BE",
217 .cpu_dai_name = "HDMIO",
218 .no_pcm = 1,
219 .codec_dai_name = "i2s-hifi",
220 .dpcm_playback = 1,
221 },
222};
223
224static struct snd_soc_card mt8173_rt5650_card = {
225 .name = "mtk-rt5650",
226 .owner = THIS_MODULE,
227 .dai_link = mt8173_rt5650_dais,
228 .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
229 .controls = mt8173_rt5650_controls,
230 .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
231 .dapm_widgets = mt8173_rt5650_widgets,
232 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
233 .dapm_routes = mt8173_rt5650_routes,
234 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
235};
236
237static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
238{
239 struct snd_soc_card *card = &mt8173_rt5650_card;
240 struct device_node *platform_node;
241 struct device_node *np;
242 const char *codec_capture_dai;
243 int i, ret;
244
245 platform_node = of_parse_phandle(pdev->dev.of_node,
246 "mediatek,platform", 0);
247 if (!platform_node) {
248 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
249 return -EINVAL;
250 }
251
252 for (i = 0; i < card->num_links; i++) {
253 if (mt8173_rt5650_dais[i].platform_name)
254 continue;
255 mt8173_rt5650_dais[i].platform_of_node = platform_node;
256 }
257
258 mt8173_rt5650_codecs[0].of_node =
259 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
260 if (!mt8173_rt5650_codecs[0].of_node) {
261 dev_err(&pdev->dev,
262 "Property 'audio-codec' missing or invalid\n");
263 return -EINVAL;
264 }
265 mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node;
266
267 np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
268 if (np) {
269 ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);
270 of_node_put(np);
271 if (ret < 0) {
272 dev_err(&pdev->dev,
273 "%s codec_capture_dai name fail %d\n",
274 __func__, ret);
275 return ret;
276 }
277 mt8173_rt5650_codecs[1].dai_name = codec_capture_dai;
278 }
279
280 if (device_property_present(&pdev->dev, "mediatek,mclk")) {
281 ret = device_property_read_u32(&pdev->dev,
282 "mediatek,mclk",
283 &mt8173_rt5650_priv.pll_from);
284 if (ret) {
285 dev_err(&pdev->dev,
286 "%s snd_soc_register_card fail %d\n",
287 __func__, ret);
288 }
289 }
290
291 mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node =
292 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
293 if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
294 dev_err(&pdev->dev,
295 "Property 'audio-codec' missing or invalid\n");
296 return -EINVAL;
297 }
298 card->dev = &pdev->dev;
299
300 ret = devm_snd_soc_register_card(&pdev->dev, card);
301 if (ret)
302 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
303 __func__, ret);
304 return ret;
305}
306
307static const struct of_device_id mt8173_rt5650_dt_match[] = {
308 { .compatible = "mediatek,mt8173-rt5650", },
309 { }
310};
311MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
312
313static struct platform_driver mt8173_rt5650_driver = {
314 .driver = {
315 .name = "mtk-rt5650",
316 .of_match_table = mt8173_rt5650_dt_match,
317#ifdef CONFIG_PM
318 .pm = &snd_soc_pm_ops,
319#endif
320 },
321 .probe = mt8173_rt5650_dev_probe,
322};
323
324module_platform_driver(mt8173_rt5650_driver);
325
326
327MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
328MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
329MODULE_LICENSE("GPL v2");
330MODULE_ALIAS("platform:mtk-rt5650");
331
332
