This source file includes following definitions.
- cht_aif1_hw_params
- cht_codec_init
- cht_codec_fixup
- cht_aif1_startup
- snd_cht_mc_probe
1
2
3
4
5
6
7
8
9
10
11
12
13
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/slab.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc.h>
20 #include <sound/soc-acpi.h>
21 #include <sound/jack.h>
22 #include <linux/input.h>
23 #include "../atom/sst-atom-controls.h"
24 #include "../../codecs/nau8824.h"
25
26 struct cht_mc_private {
27 struct snd_soc_jack jack;
28 };
29
30 static struct snd_soc_jack_pin cht_bsw_jack_pins[] = {
31 {
32 .pin = "Headphone",
33 .mask = SND_JACK_HEADPHONE,
34 },
35 {
36 .pin = "Headset Mic",
37 .mask = SND_JACK_MICROPHONE,
38 },
39 };
40
41 static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
42 SND_SOC_DAPM_HP("Headphone", NULL),
43 SND_SOC_DAPM_MIC("Headset Mic", NULL),
44 SND_SOC_DAPM_MIC("Int Mic", NULL),
45 SND_SOC_DAPM_SPK("Ext Spk", NULL),
46 };
47
48 static const struct snd_soc_dapm_route cht_audio_map[] = {
49 {"Ext Spk", NULL, "SPKOUTL"},
50 {"Ext Spk", NULL, "SPKOUTR"},
51 {"Headphone", NULL, "HPOL"},
52 {"Headphone", NULL, "HPOR"},
53 {"MIC1", NULL, "Int Mic"},
54 {"MIC2", NULL, "Int Mic"},
55 {"HSMIC1", NULL, "Headset Mic"},
56 {"HSMIC2", NULL, "Headset Mic"},
57 {"Playback", NULL, "ssp2 Tx"},
58 {"ssp2 Tx", NULL, "codec_out0"},
59 {"ssp2 Tx", NULL, "codec_out1"},
60 {"codec_in0", NULL, "ssp2 Rx" },
61 {"codec_in1", NULL, "ssp2 Rx" },
62 {"ssp2 Rx", NULL, "Capture"},
63 };
64
65 static const struct snd_kcontrol_new cht_mc_controls[] = {
66 SOC_DAPM_PIN_SWITCH("Headphone"),
67 SOC_DAPM_PIN_SWITCH("Headset Mic"),
68 SOC_DAPM_PIN_SWITCH("Int Mic"),
69 SOC_DAPM_PIN_SWITCH("Ext Spk"),
70 };
71
72 static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
73 struct snd_pcm_hw_params *params)
74 {
75 struct snd_soc_pcm_runtime *rtd = substream->private_data;
76 struct snd_soc_dai *codec_dai = rtd->codec_dai;
77 int ret;
78
79 ret = snd_soc_dai_set_sysclk(codec_dai, NAU8824_CLK_FLL_FS, 0,
80 SND_SOC_CLOCK_IN);
81 if (ret < 0) {
82 dev_err(codec_dai->dev, "can't set FS clock %d\n", ret);
83 return ret;
84 }
85 ret = snd_soc_dai_set_pll(codec_dai, 0, 0, params_rate(params),
86 params_rate(params) * 256);
87 if (ret < 0) {
88 dev_err(codec_dai->dev, "can't set FLL: %d\n", ret);
89 return ret;
90 }
91
92 return 0;
93 }
94
95 static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
96 {
97 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
98 struct snd_soc_jack *jack = &ctx->jack;
99 struct snd_soc_dai *codec_dai = runtime->codec_dai;
100 struct snd_soc_component *component = codec_dai->component;
101 int ret, jack_type;
102
103
104 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xf, 0x1, 4, 24);
105 if (ret < 0) {
106 dev_err(runtime->dev, "can't set codec TDM slot %d\n", ret);
107 return ret;
108 }
109
110
111
112
113
114
115
116 jack_type = SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
117 SND_JACK_BTN_2 | SND_JACK_BTN_3;
118 ret = snd_soc_card_jack_new(runtime->card, "Headset", jack_type, jack,
119 cht_bsw_jack_pins, ARRAY_SIZE(cht_bsw_jack_pins));
120 if (ret) {
121 dev_err(runtime->dev,
122 "Headset Jack creation failed %d\n", ret);
123 return ret;
124 }
125 snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_MEDIA);
126 snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
127 snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
128 snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
129
130 nau8824_enable_jack_detect(component, jack);
131
132 return ret;
133 }
134
135 static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
136 struct snd_pcm_hw_params *params)
137 {
138 struct snd_interval *rate = hw_param_interval(params,
139 SNDRV_PCM_HW_PARAM_RATE);
140 struct snd_interval *channels = hw_param_interval(params,
141 SNDRV_PCM_HW_PARAM_CHANNELS);
142 struct snd_mask *fmt =
143 hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
144
145
146 rate->min = rate->max = 48000;
147 channels->min = channels->max = 2;
148
149
150 snd_mask_none(fmt);
151 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
152
153 return 0;
154 }
155
156 static int cht_aif1_startup(struct snd_pcm_substream *substream)
157 {
158 return snd_pcm_hw_constraint_single(substream->runtime,
159 SNDRV_PCM_HW_PARAM_RATE, 48000);
160 }
161
162 static const struct snd_soc_ops cht_aif1_ops = {
163 .startup = cht_aif1_startup,
164 };
165
166 static const struct snd_soc_ops cht_be_ssp2_ops = {
167 .hw_params = cht_aif1_hw_params,
168 };
169
170 SND_SOC_DAILINK_DEF(dummy,
171 DAILINK_COMP_ARRAY(COMP_DUMMY()));
172
173 SND_SOC_DAILINK_DEF(media,
174 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
175
176 SND_SOC_DAILINK_DEF(deepbuffer,
177 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
178
179 SND_SOC_DAILINK_DEF(compress,
180 DAILINK_COMP_ARRAY(COMP_CPU("compress-cpu-dai")));
181
182 SND_SOC_DAILINK_DEF(ssp2_port,
183 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
184 SND_SOC_DAILINK_DEF(ssp2_codec,
185 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508824:00",
186 NAU8824_CODEC_DAI)));
187
188 SND_SOC_DAILINK_DEF(platform,
189 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
190
191 static struct snd_soc_dai_link cht_dailink[] = {
192
193 [MERR_DPCM_AUDIO] = {
194 .name = "Audio Port",
195 .stream_name = "Audio",
196 .nonatomic = true,
197 .dynamic = 1,
198 .dpcm_playback = 1,
199 .dpcm_capture = 1,
200 .ops = &cht_aif1_ops,
201 SND_SOC_DAILINK_REG(media, dummy, platform),
202 },
203 [MERR_DPCM_DEEP_BUFFER] = {
204 .name = "Deep-Buffer Audio Port",
205 .stream_name = "Deep-Buffer Audio",
206 .nonatomic = true,
207 .dynamic = 1,
208 .dpcm_playback = 1,
209 .ops = &cht_aif1_ops,
210 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
211 },
212 [MERR_DPCM_COMPR] = {
213 .name = "Compressed Port",
214 .stream_name = "Compress",
215 SND_SOC_DAILINK_REG(compress, dummy, platform),
216 },
217
218 {
219
220 .name = "SSP2-Codec",
221 .id = 1,
222 .no_pcm = 1,
223 .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_IB_NF
224 | SND_SOC_DAIFMT_CBS_CFS,
225 .init = cht_codec_init,
226 .be_hw_params_fixup = cht_codec_fixup,
227 .dpcm_playback = 1,
228 .dpcm_capture = 1,
229 .ops = &cht_be_ssp2_ops,
230 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
231 },
232 };
233
234
235 static struct snd_soc_card snd_soc_card_cht = {
236 .name = "chtnau8824",
237 .owner = THIS_MODULE,
238 .dai_link = cht_dailink,
239 .num_links = ARRAY_SIZE(cht_dailink),
240 .dapm_widgets = cht_dapm_widgets,
241 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
242 .dapm_routes = cht_audio_map,
243 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
244 .controls = cht_mc_controls,
245 .num_controls = ARRAY_SIZE(cht_mc_controls),
246 };
247
248 static int snd_cht_mc_probe(struct platform_device *pdev)
249 {
250 struct cht_mc_private *drv;
251 struct snd_soc_acpi_mach *mach;
252 const char *platform_name;
253 int ret_val;
254
255 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
256 if (!drv)
257 return -ENOMEM;
258 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
259
260
261 snd_soc_card_cht.dev = &pdev->dev;
262 mach = (&pdev->dev)->platform_data;
263 platform_name = mach->mach_params.platform;
264
265 ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
266 platform_name);
267 if (ret_val)
268 return ret_val;
269
270
271 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
272 if (ret_val) {
273 dev_err(&pdev->dev,
274 "snd_soc_register_card failed %d\n", ret_val);
275 return ret_val;
276 }
277 platform_set_drvdata(pdev, &snd_soc_card_cht);
278
279 return ret_val;
280 }
281
282 static struct platform_driver snd_cht_mc_driver = {
283 .driver = {
284 .name = "cht-bsw-nau8824",
285 },
286 .probe = snd_cht_mc_probe,
287 };
288
289 module_platform_driver(snd_cht_mc_driver);
290
291 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
292 MODULE_AUTHOR("Wang, Joseph C <joequant@gmail.com>");
293 MODULE_AUTHOR("John Hsu <KCHSU0@nuvoton.com>");
294 MODULE_LICENSE("GPL v2");
295 MODULE_ALIAS("platform:cht-bsw-nau8824");