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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
26enum mt8173_rt5650_mclk {
27 MT8173_RT5650_MCLK_EXTERNAL = 0,
28 MT8173_RT5650_MCLK_INTERNAL,
29};
30
31struct mt8173_rt5650_platform_data {
32 enum mt8173_rt5650_mclk pll_from;
33
34};
35
36static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = {
37 .pll_from = MT8173_RT5650_MCLK_EXTERNAL,
38};
39
40static const struct snd_soc_dapm_widget mt8173_rt5650_widgets[] = {
41 SND_SOC_DAPM_SPK("Speaker", NULL),
42 SND_SOC_DAPM_MIC("Int Mic", NULL),
43 SND_SOC_DAPM_HP("Headphone", NULL),
44 SND_SOC_DAPM_MIC("Headset Mic", NULL),
45};
46
47static const struct snd_soc_dapm_route mt8173_rt5650_routes[] = {
48 {"Speaker", NULL, "SPOL"},
49 {"Speaker", NULL, "SPOR"},
50 {"DMIC L1", NULL, "Int Mic"},
51 {"DMIC R1", NULL, "Int Mic"},
52 {"Headphone", NULL, "HPOL"},
53 {"Headphone", NULL, "HPOR"},
54 {"Headset Mic", NULL, "micbias1"},
55 {"Headset Mic", NULL, "micbias2"},
56 {"IN1P", NULL, "Headset Mic"},
57 {"IN1N", NULL, "Headset Mic"},
58};
59
60static const struct snd_kcontrol_new mt8173_rt5650_controls[] = {
61 SOC_DAPM_PIN_SWITCH("Speaker"),
62 SOC_DAPM_PIN_SWITCH("Int Mic"),
63 SOC_DAPM_PIN_SWITCH("Headphone"),
64 SOC_DAPM_PIN_SWITCH("Headset Mic"),
65};
66
67static int mt8173_rt5650_hw_params(struct snd_pcm_substream *substream,
68 struct snd_pcm_hw_params *params)
69{
70 struct snd_soc_pcm_runtime *rtd = substream->private_data;
71 unsigned int mclk_clock;
72 int i, ret;
73
74 switch (mt8173_rt5650_priv.pll_from) {
75 case MT8173_RT5650_MCLK_EXTERNAL:
76
77 mclk_clock = MCLK_FOR_CODECS;
78 break;
79 case MT8173_RT5650_MCLK_INTERNAL:
80
81 mclk_clock = params_rate(params) * 256;
82 break;
83 default:
84
85 mclk_clock = MCLK_FOR_CODECS;
86 break;
87 }
88
89 for (i = 0; i < rtd->num_codecs; i++) {
90 struct snd_soc_dai *codec_dai = rtd->codec_dais[i];
91
92
93 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock,
94 params_rate(params) * 512);
95 if (ret)
96 return ret;
97
98
99 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
100 params_rate(params) * 512,
101 SND_SOC_CLOCK_IN);
102 if (ret)
103 return ret;
104 }
105 return 0;
106}
107
108static struct snd_soc_ops mt8173_rt5650_ops = {
109 .hw_params = mt8173_rt5650_hw_params,
110};
111
112static struct snd_soc_jack mt8173_rt5650_jack;
113
114static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
115{
116 struct snd_soc_card *card = runtime->card;
117 struct snd_soc_codec *codec = runtime->codec_dais[0]->codec;
118 const char *codec_capture_dai = runtime->codec_dais[1]->name;
119 int ret;
120
121 rt5645_sel_asrc_clk_src(codec,
122 RT5645_DA_STEREO_FILTER,
123 RT5645_CLK_SEL_I2S1_ASRC);
124
125 if (!strcmp(codec_capture_dai, "rt5645-aif1")) {
126 rt5645_sel_asrc_clk_src(codec,
127 RT5645_AD_STEREO_FILTER,
128 RT5645_CLK_SEL_I2S1_ASRC);
129 } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {
130 rt5645_sel_asrc_clk_src(codec,
131 RT5645_AD_STEREO_FILTER,
132 RT5645_CLK_SEL_I2S2_ASRC);
133 } else {
134 dev_warn(card->dev,
135 "Only one dai codec found in DTS, enabled rt5645 AD filter\n");
136 rt5645_sel_asrc_clk_src(codec,
137 RT5645_AD_STEREO_FILTER,
138 RT5645_CLK_SEL_I2S1_ASRC);
139 }
140
141
142 ret = snd_soc_card_jack_new(card, "Headset Jack",
143 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
144 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
145 SND_JACK_BTN_2 | SND_JACK_BTN_3,
146 &mt8173_rt5650_jack, NULL, 0);
147 if (ret) {
148 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
149 return ret;
150 }
151
152 return rt5645_set_jack_detect(codec,
153 &mt8173_rt5650_jack,
154 &mt8173_rt5650_jack,
155 &mt8173_rt5650_jack);
156}
157
158static struct snd_soc_dai_link_component mt8173_rt5650_codecs[] = {
159 {
160
161 .dai_name = "rt5645-aif1",
162 },
163 {
164
165 .dai_name = "rt5645-aif1",
166 },
167};
168
169enum {
170 DAI_LINK_PLAYBACK,
171 DAI_LINK_CAPTURE,
172 DAI_LINK_HDMI,
173 DAI_LINK_CODEC_I2S,
174 DAI_LINK_HDMI_I2S,
175};
176
177
178static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
179
180 [DAI_LINK_PLAYBACK] = {
181 .name = "rt5650 Playback",
182 .stream_name = "rt5650 Playback",
183 .cpu_dai_name = "DL1",
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_playback = 1,
189 },
190 [DAI_LINK_CAPTURE] = {
191 .name = "rt5650 Capture",
192 .stream_name = "rt5650 Capture",
193 .cpu_dai_name = "VUL",
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_capture = 1,
199 },
200 [DAI_LINK_HDMI] = {
201 .name = "HDMI",
202 .stream_name = "HDMI PCM",
203 .cpu_dai_name = "HDMI",
204 .codec_name = "snd-soc-dummy",
205 .codec_dai_name = "snd-soc-dummy-dai",
206 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
207 .dynamic = 1,
208 .dpcm_playback = 1,
209 },
210
211 [DAI_LINK_CODEC_I2S] = {
212 .name = "Codec",
213 .cpu_dai_name = "I2S",
214 .no_pcm = 1,
215 .codecs = mt8173_rt5650_codecs,
216 .num_codecs = 2,
217 .init = mt8173_rt5650_init,
218 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
219 SND_SOC_DAIFMT_CBS_CFS,
220 .ops = &mt8173_rt5650_ops,
221 .ignore_pmdown_time = 1,
222 .dpcm_playback = 1,
223 .dpcm_capture = 1,
224 },
225 [DAI_LINK_HDMI_I2S] = {
226 .name = "HDMI BE",
227 .cpu_dai_name = "HDMIO",
228 .no_pcm = 1,
229 .codec_dai_name = "i2s-hifi",
230 .dpcm_playback = 1,
231 },
232};
233
234static struct snd_soc_card mt8173_rt5650_card = {
235 .name = "mtk-rt5650",
236 .owner = THIS_MODULE,
237 .dai_link = mt8173_rt5650_dais,
238 .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
239 .controls = mt8173_rt5650_controls,
240 .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
241 .dapm_widgets = mt8173_rt5650_widgets,
242 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
243 .dapm_routes = mt8173_rt5650_routes,
244 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
245};
246
247static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
248{
249 struct snd_soc_card *card = &mt8173_rt5650_card;
250 struct device_node *platform_node;
251 struct device_node *np;
252 const char *codec_capture_dai;
253 int i, ret;
254
255 platform_node = of_parse_phandle(pdev->dev.of_node,
256 "mediatek,platform", 0);
257 if (!platform_node) {
258 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
259 return -EINVAL;
260 }
261
262 for (i = 0; i < card->num_links; i++) {
263 if (mt8173_rt5650_dais[i].platform_name)
264 continue;
265 mt8173_rt5650_dais[i].platform_of_node = platform_node;
266 }
267
268 mt8173_rt5650_codecs[0].of_node =
269 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
270 if (!mt8173_rt5650_codecs[0].of_node) {
271 dev_err(&pdev->dev,
272 "Property 'audio-codec' missing or invalid\n");
273 return -EINVAL;
274 }
275 mt8173_rt5650_codecs[1].of_node = mt8173_rt5650_codecs[0].of_node;
276
277 if (of_find_node_by_name(platform_node, "codec-capture")) {
278 np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
279 if (!np) {
280 dev_err(&pdev->dev,
281 "%s: Can't find codec-capture DT node\n",
282 __func__);
283 return -EINVAL;
284 }
285 ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);
286 if (ret < 0) {
287 dev_err(&pdev->dev,
288 "%s codec_capture_dai name fail %d\n",
289 __func__, ret);
290 return ret;
291 }
292 mt8173_rt5650_codecs[1].dai_name = codec_capture_dai;
293 }
294
295 if (device_property_present(&pdev->dev, "mediatek,mclk")) {
296 ret = device_property_read_u32(&pdev->dev,
297 "mediatek,mclk",
298 &mt8173_rt5650_priv.pll_from);
299 if (ret) {
300 dev_err(&pdev->dev,
301 "%s snd_soc_register_card fail %d\n",
302 __func__, ret);
303 }
304 }
305
306 mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node =
307 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
308 if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codec_of_node) {
309 dev_err(&pdev->dev,
310 "Property 'audio-codec' missing or invalid\n");
311 return -EINVAL;
312 }
313 card->dev = &pdev->dev;
314 platform_set_drvdata(pdev, card);
315
316 ret = devm_snd_soc_register_card(&pdev->dev, card);
317 if (ret)
318 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
319 __func__, ret);
320 return ret;
321}
322
323static const struct of_device_id mt8173_rt5650_dt_match[] = {
324 { .compatible = "mediatek,mt8173-rt5650", },
325 { }
326};
327MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
328
329static struct platform_driver mt8173_rt5650_driver = {
330 .driver = {
331 .name = "mtk-rt5650",
332 .of_match_table = mt8173_rt5650_dt_match,
333#ifdef CONFIG_PM
334 .pm = &snd_soc_pm_ops,
335#endif
336 },
337 .probe = mt8173_rt5650_dev_probe,
338};
339
340module_platform_driver(mt8173_rt5650_driver);
341
342
343MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
344MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
345MODULE_LICENSE("GPL v2");
346MODULE_ALIAS("platform:mtk-rt5650");
347
348
