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22#include <linux/module.h>
23#include <linux/platform_device.h>
24#include <linux/slab.h>
25#include <linux/acpi.h>
26#include <sound/pcm.h>
27#include <sound/pcm_params.h>
28#include <sound/soc.h>
29#include <sound/jack.h>
30#include "../../codecs/max98090.h"
31#include "../atom/sst-atom-controls.h"
32#include "../../codecs/ts3a227e.h"
33
34#define CHT_PLAT_CLK_3_HZ 19200000
35#define CHT_CODEC_DAI "HiFi"
36
37struct cht_mc_private {
38 struct snd_soc_jack jack;
39 bool ts3a227e_present;
40};
41
42static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
43 SND_SOC_DAPM_HP("Headphone", NULL),
44 SND_SOC_DAPM_MIC("Headset Mic", NULL),
45 SND_SOC_DAPM_MIC("Int Mic", NULL),
46 SND_SOC_DAPM_SPK("Ext Spk", NULL),
47};
48
49static const struct snd_soc_dapm_route cht_audio_map[] = {
50 {"IN34", NULL, "Headset Mic"},
51 {"Headset Mic", NULL, "MICBIAS"},
52 {"DMICL", NULL, "Int Mic"},
53 {"Headphone", NULL, "HPL"},
54 {"Headphone", NULL, "HPR"},
55 {"Ext Spk", NULL, "SPKL"},
56 {"Ext Spk", NULL, "SPKR"},
57 {"HiFi 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, "HiFi Capture"},
63};
64
65static 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
72static 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, M98090_REG_SYSTEM_CLOCK,
80 CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
81 if (ret < 0) {
82 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
83 return ret;
84 }
85
86 return 0;
87}
88
89static int cht_ti_jack_event(struct notifier_block *nb,
90 unsigned long event, void *data)
91{
92 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
93 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
94
95 if (event & SND_JACK_MICROPHONE) {
96 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
97 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
98 snd_soc_dapm_sync(dapm);
99 } else {
100 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
101 snd_soc_dapm_disable_pin(dapm, "SHDN");
102 snd_soc_dapm_sync(dapm);
103 }
104
105 return 0;
106}
107
108static struct notifier_block cht_jack_nb = {
109 .notifier_call = cht_ti_jack_event,
110};
111
112static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
113{
114 int ret;
115 int jack_type;
116 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
117 struct snd_soc_jack *jack = &ctx->jack;
118
119
120
121
122
123
124
125
126 if (ctx->ts3a227e_present)
127 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
128 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
129 SND_JACK_BTN_2 | SND_JACK_BTN_3;
130 else
131 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
132
133 ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
134 jack_type, jack, NULL, 0);
135
136 if (ret) {
137 dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
138 return ret;
139 }
140
141 if (ctx->ts3a227e_present)
142 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
143
144 return ret;
145}
146
147static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
148 struct snd_pcm_hw_params *params)
149{
150 struct snd_interval *rate = hw_param_interval(params,
151 SNDRV_PCM_HW_PARAM_RATE);
152 struct snd_interval *channels = hw_param_interval(params,
153 SNDRV_PCM_HW_PARAM_CHANNELS);
154 int ret = 0;
155 unsigned int fmt = 0;
156
157 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
158 if (ret < 0) {
159 dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
160 return ret;
161 }
162
163 fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
164 | SND_SOC_DAIFMT_CBS_CFS;
165
166 ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
167 if (ret < 0) {
168 dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
169 return ret;
170 }
171
172
173 rate->min = rate->max = 48000;
174 channels->min = channels->max = 2;
175
176
177 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
178 return 0;
179}
180
181static int cht_aif1_startup(struct snd_pcm_substream *substream)
182{
183 return snd_pcm_hw_constraint_single(substream->runtime,
184 SNDRV_PCM_HW_PARAM_RATE, 48000);
185}
186
187static int cht_max98090_headset_init(struct snd_soc_component *component)
188{
189 struct snd_soc_card *card = component->card;
190 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
191
192 return ts3a227e_enable_jack_detect(component, &ctx->jack);
193}
194
195static const struct snd_soc_ops cht_aif1_ops = {
196 .startup = cht_aif1_startup,
197};
198
199static const struct snd_soc_ops cht_be_ssp2_ops = {
200 .hw_params = cht_aif1_hw_params,
201};
202
203static struct snd_soc_aux_dev cht_max98090_headset_dev = {
204 .name = "Headset Chip",
205 .init = cht_max98090_headset_init,
206 .codec_name = "i2c-104C227E:00",
207};
208
209static struct snd_soc_dai_link cht_dailink[] = {
210 [MERR_DPCM_AUDIO] = {
211 .name = "Audio Port",
212 .stream_name = "Audio",
213 .cpu_dai_name = "media-cpu-dai",
214 .codec_dai_name = "snd-soc-dummy-dai",
215 .codec_name = "snd-soc-dummy",
216 .platform_name = "sst-mfld-platform",
217 .nonatomic = true,
218 .dynamic = 1,
219 .dpcm_playback = 1,
220 .dpcm_capture = 1,
221 .ops = &cht_aif1_ops,
222 },
223 [MERR_DPCM_DEEP_BUFFER] = {
224 .name = "Deep-Buffer Audio Port",
225 .stream_name = "Deep-Buffer Audio",
226 .cpu_dai_name = "deepbuffer-cpu-dai",
227 .codec_dai_name = "snd-soc-dummy-dai",
228 .codec_name = "snd-soc-dummy",
229 .platform_name = "sst-mfld-platform",
230 .nonatomic = true,
231 .dynamic = 1,
232 .dpcm_playback = 1,
233 .ops = &cht_aif1_ops,
234 },
235 [MERR_DPCM_COMPR] = {
236 .name = "Compressed Port",
237 .stream_name = "Compress",
238 .cpu_dai_name = "compress-cpu-dai",
239 .codec_dai_name = "snd-soc-dummy-dai",
240 .codec_name = "snd-soc-dummy",
241 .platform_name = "sst-mfld-platform",
242 },
243
244 {
245 .name = "SSP2-Codec",
246 .id = 1,
247 .cpu_dai_name = "ssp2-port",
248 .platform_name = "sst-mfld-platform",
249 .no_pcm = 1,
250 .codec_dai_name = "HiFi",
251 .codec_name = "i2c-193C9890:00",
252 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
253 | SND_SOC_DAIFMT_CBS_CFS,
254 .init = cht_codec_init,
255 .be_hw_params_fixup = cht_codec_fixup,
256 .dpcm_playback = 1,
257 .dpcm_capture = 1,
258 .ops = &cht_be_ssp2_ops,
259 },
260};
261
262
263static struct snd_soc_card snd_soc_card_cht = {
264 .name = "chtmax98090",
265 .owner = THIS_MODULE,
266 .dai_link = cht_dailink,
267 .num_links = ARRAY_SIZE(cht_dailink),
268 .aux_dev = &cht_max98090_headset_dev,
269 .num_aux_devs = 1,
270 .dapm_widgets = cht_dapm_widgets,
271 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
272 .dapm_routes = cht_audio_map,
273 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
274 .controls = cht_mc_controls,
275 .num_controls = ARRAY_SIZE(cht_mc_controls),
276};
277
278static int snd_cht_mc_probe(struct platform_device *pdev)
279{
280 int ret_val = 0;
281 struct cht_mc_private *drv;
282
283 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
284 if (!drv)
285 return -ENOMEM;
286
287 drv->ts3a227e_present = acpi_dev_found("104C227E");
288 if (!drv->ts3a227e_present) {
289
290 snd_soc_card_cht.aux_dev = NULL;
291 snd_soc_card_cht.num_aux_devs = 0;
292 }
293
294
295 snd_soc_card_cht.dev = &pdev->dev;
296 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
297 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
298 if (ret_val) {
299 dev_err(&pdev->dev,
300 "snd_soc_register_card failed %d\n", ret_val);
301 return ret_val;
302 }
303 platform_set_drvdata(pdev, &snd_soc_card_cht);
304 return ret_val;
305}
306
307static struct platform_driver snd_cht_mc_driver = {
308 .driver = {
309 .name = "cht-bsw-max98090",
310 },
311 .probe = snd_cht_mc_probe,
312};
313
314module_platform_driver(snd_cht_mc_driver)
315
316MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
317MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
318MODULE_LICENSE("GPL v2");
319MODULE_ALIAS("platform:cht-bsw-max98090");
320
