This source file includes following definitions.
- mt8173_rt5650_hw_params
- mt8173_rt5650_init
- mt8173_rt5650_dev_probe
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8
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
18 enum mt8173_rt5650_mclk {
19 MT8173_RT5650_MCLK_EXTERNAL = 0,
20 MT8173_RT5650_MCLK_INTERNAL,
21 };
22
23 struct mt8173_rt5650_platform_data {
24 enum mt8173_rt5650_mclk pll_from;
25
26 };
27
28 static struct mt8173_rt5650_platform_data mt8173_rt5650_priv = {
29 .pll_from = MT8173_RT5650_MCLK_EXTERNAL,
30 };
31
32 static 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
39 static 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
50 static 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
57 static 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 struct snd_soc_dai *codec_dai;
63 int i, ret;
64
65 switch (mt8173_rt5650_priv.pll_from) {
66 case MT8173_RT5650_MCLK_EXTERNAL:
67
68 mclk_clock = MCLK_FOR_CODECS;
69 break;
70 case MT8173_RT5650_MCLK_INTERNAL:
71
72 mclk_clock = params_rate(params) * 256;
73 break;
74 default:
75
76 mclk_clock = MCLK_FOR_CODECS;
77 break;
78 }
79
80 for_each_rtd_codec_dai(rtd, i, codec_dai) {
81
82 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, mclk_clock,
83 params_rate(params) * 512);
84 if (ret)
85 return ret;
86
87
88 ret = snd_soc_dai_set_sysclk(codec_dai, 1,
89 params_rate(params) * 512,
90 SND_SOC_CLOCK_IN);
91 if (ret)
92 return ret;
93 }
94 return 0;
95 }
96
97 static const struct snd_soc_ops mt8173_rt5650_ops = {
98 .hw_params = mt8173_rt5650_hw_params,
99 };
100
101 static struct snd_soc_jack mt8173_rt5650_jack;
102
103 static int mt8173_rt5650_init(struct snd_soc_pcm_runtime *runtime)
104 {
105 struct snd_soc_card *card = runtime->card;
106 struct snd_soc_component *component = runtime->codec_dais[0]->component;
107 const char *codec_capture_dai = runtime->codec_dais[1]->name;
108 int ret;
109
110 rt5645_sel_asrc_clk_src(component,
111 RT5645_DA_STEREO_FILTER,
112 RT5645_CLK_SEL_I2S1_ASRC);
113
114 if (!strcmp(codec_capture_dai, "rt5645-aif1")) {
115 rt5645_sel_asrc_clk_src(component,
116 RT5645_AD_STEREO_FILTER,
117 RT5645_CLK_SEL_I2S1_ASRC);
118 } else if (!strcmp(codec_capture_dai, "rt5645-aif2")) {
119 rt5645_sel_asrc_clk_src(component,
120 RT5645_AD_STEREO_FILTER,
121 RT5645_CLK_SEL_I2S2_ASRC);
122 } else {
123 dev_warn(card->dev,
124 "Only one dai codec found in DTS, enabled rt5645 AD filter\n");
125 rt5645_sel_asrc_clk_src(component,
126 RT5645_AD_STEREO_FILTER,
127 RT5645_CLK_SEL_I2S1_ASRC);
128 }
129
130
131 ret = snd_soc_card_jack_new(card, "Headset Jack",
132 SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
133 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
134 SND_JACK_BTN_2 | SND_JACK_BTN_3,
135 &mt8173_rt5650_jack, NULL, 0);
136 if (ret) {
137 dev_err(card->dev, "Can't new Headset Jack %d\n", ret);
138 return ret;
139 }
140
141 return rt5645_set_jack_detect(component,
142 &mt8173_rt5650_jack,
143 &mt8173_rt5650_jack,
144 &mt8173_rt5650_jack);
145 }
146
147 enum {
148 DAI_LINK_PLAYBACK,
149 DAI_LINK_CAPTURE,
150 DAI_LINK_HDMI,
151 DAI_LINK_CODEC_I2S,
152 DAI_LINK_HDMI_I2S,
153 };
154
155 SND_SOC_DAILINK_DEFS(playback,
156 DAILINK_COMP_ARRAY(COMP_CPU("DL1")),
157 DAILINK_COMP_ARRAY(COMP_DUMMY()),
158 DAILINK_COMP_ARRAY(COMP_EMPTY()));
159
160 SND_SOC_DAILINK_DEFS(capture,
161 DAILINK_COMP_ARRAY(COMP_CPU("VUL")),
162 DAILINK_COMP_ARRAY(COMP_DUMMY()),
163 DAILINK_COMP_ARRAY(COMP_EMPTY()));
164
165 SND_SOC_DAILINK_DEFS(hdmi_pcm,
166 DAILINK_COMP_ARRAY(COMP_CPU("HDMI")),
167 DAILINK_COMP_ARRAY(COMP_DUMMY()),
168 DAILINK_COMP_ARRAY(COMP_EMPTY()));
169
170 SND_SOC_DAILINK_DEFS(codec,
171 DAILINK_COMP_ARRAY(COMP_CPU("I2S")),
172 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5645-aif1"),
173 COMP_CODEC(NULL, "rt5645-aif1")),
174 DAILINK_COMP_ARRAY(COMP_EMPTY()));
175
176 SND_SOC_DAILINK_DEFS(hdmi_be,
177 DAILINK_COMP_ARRAY(COMP_CPU("HDMIO")),
178 DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "i2s-hifi")),
179 DAILINK_COMP_ARRAY(COMP_EMPTY()));
180
181
182 static struct snd_soc_dai_link mt8173_rt5650_dais[] = {
183
184 [DAI_LINK_PLAYBACK] = {
185 .name = "rt5650 Playback",
186 .stream_name = "rt5650 Playback",
187 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
188 .dynamic = 1,
189 .dpcm_playback = 1,
190 SND_SOC_DAILINK_REG(playback),
191 },
192 [DAI_LINK_CAPTURE] = {
193 .name = "rt5650 Capture",
194 .stream_name = "rt5650 Capture",
195 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
196 .dynamic = 1,
197 .dpcm_capture = 1,
198 SND_SOC_DAILINK_REG(capture),
199 },
200 [DAI_LINK_HDMI] = {
201 .name = "HDMI",
202 .stream_name = "HDMI PCM",
203 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
204 .dynamic = 1,
205 .dpcm_playback = 1,
206 SND_SOC_DAILINK_REG(hdmi_pcm),
207 },
208
209 [DAI_LINK_CODEC_I2S] = {
210 .name = "Codec",
211 .no_pcm = 1,
212 .init = mt8173_rt5650_init,
213 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
214 SND_SOC_DAIFMT_CBS_CFS,
215 .ops = &mt8173_rt5650_ops,
216 .ignore_pmdown_time = 1,
217 .dpcm_playback = 1,
218 .dpcm_capture = 1,
219 SND_SOC_DAILINK_REG(codec),
220 },
221 [DAI_LINK_HDMI_I2S] = {
222 .name = "HDMI BE",
223 .no_pcm = 1,
224 .dpcm_playback = 1,
225 SND_SOC_DAILINK_REG(hdmi_be),
226 },
227 };
228
229 static struct snd_soc_card mt8173_rt5650_card = {
230 .name = "mtk-rt5650",
231 .owner = THIS_MODULE,
232 .dai_link = mt8173_rt5650_dais,
233 .num_links = ARRAY_SIZE(mt8173_rt5650_dais),
234 .controls = mt8173_rt5650_controls,
235 .num_controls = ARRAY_SIZE(mt8173_rt5650_controls),
236 .dapm_widgets = mt8173_rt5650_widgets,
237 .num_dapm_widgets = ARRAY_SIZE(mt8173_rt5650_widgets),
238 .dapm_routes = mt8173_rt5650_routes,
239 .num_dapm_routes = ARRAY_SIZE(mt8173_rt5650_routes),
240 };
241
242 static int mt8173_rt5650_dev_probe(struct platform_device *pdev)
243 {
244 struct snd_soc_card *card = &mt8173_rt5650_card;
245 struct device_node *platform_node;
246 struct device_node *np;
247 const char *codec_capture_dai;
248 struct snd_soc_dai_link *dai_link;
249 int i, ret;
250
251 platform_node = of_parse_phandle(pdev->dev.of_node,
252 "mediatek,platform", 0);
253 if (!platform_node) {
254 dev_err(&pdev->dev, "Property 'platform' missing or invalid\n");
255 return -EINVAL;
256 }
257
258 for_each_card_prelinks(card, i, dai_link) {
259 if (dai_link->platforms->name)
260 continue;
261 dai_link->platforms->of_node = platform_node;
262 }
263
264 mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node =
265 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 0);
266 if (!mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node) {
267 dev_err(&pdev->dev,
268 "Property 'audio-codec' missing or invalid\n");
269 return -EINVAL;
270 }
271 mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].of_node =
272 mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[0].of_node;
273
274 np = of_get_child_by_name(pdev->dev.of_node, "codec-capture");
275 if (np) {
276 ret = snd_soc_of_get_dai_name(np, &codec_capture_dai);
277 of_node_put(np);
278 if (ret < 0) {
279 dev_err(&pdev->dev,
280 "%s codec_capture_dai name fail %d\n",
281 __func__, ret);
282 return ret;
283 }
284 mt8173_rt5650_dais[DAI_LINK_CODEC_I2S].codecs[1].dai_name =
285 codec_capture_dai;
286 }
287
288 if (device_property_present(&pdev->dev, "mediatek,mclk")) {
289 ret = device_property_read_u32(&pdev->dev,
290 "mediatek,mclk",
291 &mt8173_rt5650_priv.pll_from);
292 if (ret) {
293 dev_err(&pdev->dev,
294 "%s snd_soc_register_card fail %d\n",
295 __func__, ret);
296 }
297 }
298
299 mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node =
300 of_parse_phandle(pdev->dev.of_node, "mediatek,audio-codec", 1);
301 if (!mt8173_rt5650_dais[DAI_LINK_HDMI_I2S].codecs->of_node) {
302 dev_err(&pdev->dev,
303 "Property 'audio-codec' missing or invalid\n");
304 return -EINVAL;
305 }
306 card->dev = &pdev->dev;
307
308 ret = devm_snd_soc_register_card(&pdev->dev, card);
309 if (ret)
310 dev_err(&pdev->dev, "%s snd_soc_register_card fail %d\n",
311 __func__, ret);
312 return ret;
313 }
314
315 static const struct of_device_id mt8173_rt5650_dt_match[] = {
316 { .compatible = "mediatek,mt8173-rt5650", },
317 { }
318 };
319 MODULE_DEVICE_TABLE(of, mt8173_rt5650_dt_match);
320
321 static struct platform_driver mt8173_rt5650_driver = {
322 .driver = {
323 .name = "mtk-rt5650",
324 .of_match_table = mt8173_rt5650_dt_match,
325 #ifdef CONFIG_PM
326 .pm = &snd_soc_pm_ops,
327 #endif
328 },
329 .probe = mt8173_rt5650_dev_probe,
330 };
331
332 module_platform_driver(mt8173_rt5650_driver);
333
334
335 MODULE_DESCRIPTION("MT8173 RT5650 SoC machine driver");
336 MODULE_AUTHOR("Koro Chen <koro.chen@mediatek.com>");
337 MODULE_LICENSE("GPL v2");
338 MODULE_ALIAS("platform:mtk-rt5650");
339