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Linux/sound/soc/intel/boards/bxt_rt298.c

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  1 /*
  2  * Intel Broxton-P I2S Machine Driver
  3  *
  4  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
  5  *
  6  * Modified from:
  7  *   Intel Skylake I2S Machine driver
  8  *
  9  * This program is free software; you can redistribute it and/or
 10  * modify it under the terms of the GNU General Public License version
 11  * 2 as published by the Free Software Foundation.
 12  *
 13  * This program is distributed in the hope that it will be useful,
 14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16  * GNU General Public License for more details.
 17  */
 18 
 19 #include <linux/module.h>
 20 #include <linux/platform_device.h>
 21 #include <sound/core.h>
 22 #include <sound/pcm.h>
 23 #include <sound/soc.h>
 24 #include <sound/jack.h>
 25 #include <sound/pcm_params.h>
 26 #include "../../codecs/hdac_hdmi.h"
 27 #include "../../codecs/rt298.h"
 28 
 29 static struct snd_soc_jack broxton_headset;
 30 /* Headset jack detection DAPM pins */
 31 
 32 enum {
 33         BXT_DPCM_AUDIO_PB = 0,
 34         BXT_DPCM_AUDIO_CP,
 35         BXT_DPCM_AUDIO_REF_CP,
 36         BXT_DPCM_AUDIO_DMIC_CP,
 37         BXT_DPCM_AUDIO_HDMI1_PB,
 38         BXT_DPCM_AUDIO_HDMI2_PB,
 39         BXT_DPCM_AUDIO_HDMI3_PB,
 40 };
 41 
 42 static struct snd_soc_jack_pin broxton_headset_pins[] = {
 43         {
 44                 .pin = "Mic Jack",
 45                 .mask = SND_JACK_MICROPHONE,
 46         },
 47         {
 48                 .pin = "Headphone Jack",
 49                 .mask = SND_JACK_HEADPHONE,
 50         },
 51 };
 52 
 53 static const struct snd_kcontrol_new broxton_controls[] = {
 54         SOC_DAPM_PIN_SWITCH("Speaker"),
 55         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 56         SOC_DAPM_PIN_SWITCH("Mic Jack"),
 57 };
 58 
 59 static const struct snd_soc_dapm_widget broxton_widgets[] = {
 60         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 61         SND_SOC_DAPM_SPK("Speaker", NULL),
 62         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 63         SND_SOC_DAPM_MIC("DMIC2", NULL),
 64         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 65         SND_SOC_DAPM_SPK("HDMI1", NULL),
 66         SND_SOC_DAPM_SPK("HDMI2", NULL),
 67         SND_SOC_DAPM_SPK("HDMI3", NULL),
 68 };
 69 
 70 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
 71         /* speaker */
 72         {"Speaker", NULL, "SPOR"},
 73         {"Speaker", NULL, "SPOL"},
 74 
 75         /* HP jack connectors - unknown if we have jack detect */
 76         {"Headphone Jack", NULL, "HPO Pin"},
 77 
 78         /* other jacks */
 79         {"MIC1", NULL, "Mic Jack"},
 80 
 81         /* digital mics */
 82         {"DMIC1 Pin", NULL, "DMIC2"},
 83         {"DMic", NULL, "SoC DMIC"},
 84 
 85         {"HDMI1", NULL, "hif5 Output"},
 86         {"HDMI2", NULL, "hif6 Output"},
 87         {"HDMI3", NULL, "hif7 Output"},
 88 
 89         /* CODEC BE connections */
 90         { "AIF1 Playback", NULL, "ssp5 Tx"},
 91         { "ssp5 Tx", NULL, "codec0_out"},
 92         { "ssp5 Tx", NULL, "codec1_out"},
 93 
 94         { "codec0_in", NULL, "ssp5 Rx" },
 95         { "ssp5 Rx", NULL, "AIF1 Capture" },
 96 
 97         { "dmic01_hifi", NULL, "DMIC01 Rx" },
 98         { "DMIC01 Rx", NULL, "Capture" },
 99 
100         { "hifi3", NULL, "iDisp3 Tx"},
101         { "iDisp3 Tx", NULL, "iDisp3_out"},
102         { "hifi2", NULL, "iDisp2 Tx"},
103         { "iDisp2 Tx", NULL, "iDisp2_out"},
104         { "hifi1", NULL, "iDisp1 Tx"},
105         { "iDisp1 Tx", NULL, "iDisp1_out"},
106 
107 };
108 
109 static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
110 {
111         struct snd_soc_dapm_context *dapm;
112         struct snd_soc_component *component = rtd->cpu_dai->component;
113 
114         dapm = snd_soc_component_get_dapm(component);
115         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
116 
117         return 0;
118 }
119 
120 static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
121 {
122         struct snd_soc_codec *codec = rtd->codec;
123         int ret = 0;
124 
125         ret = snd_soc_card_jack_new(rtd->card, "Headset",
126                 SND_JACK_HEADSET | SND_JACK_BTN_0,
127                 &broxton_headset,
128                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
129 
130         if (ret)
131                 return ret;
132 
133         rt298_mic_detect(codec, &broxton_headset);
134 
135         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
136 
137         return 0;
138 }
139 
140 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
141 {
142         struct snd_soc_dai *dai = rtd->codec_dai;
143 
144         return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id);
145 }
146 
147 static int broxton_ssp5_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         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
155 
156         /* The ADSP will covert the FE rate to 48k, stereo */
157         rate->min = rate->max = 48000;
158         channels->min = channels->max = 2;
159 
160         /* set SSP5 to 24 bit */
161         snd_mask_none(fmt);
162         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
163 
164         return 0;
165 }
166 
167 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
168         struct snd_pcm_hw_params *params)
169 {
170         struct snd_soc_pcm_runtime *rtd = substream->private_data;
171         struct snd_soc_dai *codec_dai = rtd->codec_dai;
172         int ret;
173 
174         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
175                                         19200000, SND_SOC_CLOCK_IN);
176         if (ret < 0) {
177                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
178                 return ret;
179         }
180 
181         return ret;
182 }
183 
184 static struct snd_soc_ops broxton_rt298_ops = {
185         .hw_params = broxton_rt298_hw_params,
186 };
187 
188 static unsigned int rates[] = {
189         48000,
190 };
191 
192 static struct snd_pcm_hw_constraint_list constraints_rates = {
193         .count = ARRAY_SIZE(rates),
194         .list  = rates,
195         .mask = 0,
196 };
197 
198 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
199                                 struct snd_pcm_hw_params *params)
200 {
201         struct snd_interval *channels = hw_param_interval(params,
202                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
203         if (params_channels(params) == 2)
204                 channels->min = channels->max = 2;
205         else
206                 channels->min = channels->max = 4;
207 
208         return 0;
209 }
210 
211 static unsigned int channels_dmic[] = {
212         2, 4,
213 };
214 
215 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
216         .count = ARRAY_SIZE(channels_dmic),
217         .list = channels_dmic,
218         .mask = 0,
219 };
220 
221 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
222 {
223         struct snd_pcm_runtime *runtime = substream->runtime;
224 
225         runtime->hw.channels_max = 4;
226         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
227                                         &constraints_dmic_channels);
228 
229         return snd_pcm_hw_constraint_list(substream->runtime, 0,
230                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
231 }
232 
233 static struct snd_soc_ops broxton_dmic_ops = {
234         .startup = broxton_dmic_startup,
235 };
236 
237 static unsigned int channels[] = {
238         2,
239 };
240 
241 static struct snd_pcm_hw_constraint_list constraints_channels = {
242         .count = ARRAY_SIZE(channels),
243         .list = channels,
244         .mask = 0,
245 };
246 
247 static int bxt_fe_startup(struct snd_pcm_substream *substream)
248 {
249         struct snd_pcm_runtime *runtime = substream->runtime;
250 
251         /*
252          * on this platform for PCM device we support:
253          *      48Khz
254          *      stereo
255          */
256 
257         runtime->hw.channels_max = 2;
258         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
259                                 &constraints_channels);
260 
261         snd_pcm_hw_constraint_list(runtime, 0,
262                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
263 
264         return 0;
265 }
266 
267 static const struct snd_soc_ops broxton_rt286_fe_ops = {
268         .startup = bxt_fe_startup,
269 };
270 
271 /* broxton digital audio interface glue - connects codec <--> CPU */
272 static struct snd_soc_dai_link broxton_rt298_dais[] = {
273         /* Front End DAI links */
274         [BXT_DPCM_AUDIO_PB] =
275         {
276                 .name = "Bxt Audio Port",
277                 .stream_name = "Audio",
278                 .cpu_dai_name = "System Pin",
279                 .platform_name = "0000:00:0e.0",
280                 .nonatomic = 1,
281                 .dynamic = 1,
282                 .codec_name = "snd-soc-dummy",
283                 .codec_dai_name = "snd-soc-dummy-dai",
284                 .init = broxton_rt298_fe_init,
285                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
286                 .dpcm_playback = 1,
287                 .ops = &broxton_rt286_fe_ops,
288         },
289         [BXT_DPCM_AUDIO_CP] =
290         {
291                 .name = "Bxt Audio Capture Port",
292                 .stream_name = "Audio Record",
293                 .cpu_dai_name = "System Pin",
294                 .platform_name = "0000:00:0e.0",
295                 .nonatomic = 1,
296                 .dynamic = 1,
297                 .codec_name = "snd-soc-dummy",
298                 .codec_dai_name = "snd-soc-dummy-dai",
299                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
300                 .dpcm_capture = 1,
301                 .ops = &broxton_rt286_fe_ops,
302         },
303         [BXT_DPCM_AUDIO_REF_CP] =
304         {
305                 .name = "Bxt Audio Reference cap",
306                 .stream_name = "refcap",
307                 .cpu_dai_name = "Reference Pin",
308                 .codec_name = "snd-soc-dummy",
309                 .codec_dai_name = "snd-soc-dummy-dai",
310                 .platform_name = "0000:00:0e.0",
311                 .init = NULL,
312                 .dpcm_capture = 1,
313                 .nonatomic = 1,
314                 .dynamic = 1,
315         },
316         [BXT_DPCM_AUDIO_DMIC_CP] =
317         {
318                 .name = "Bxt Audio DMIC cap",
319                 .stream_name = "dmiccap",
320                 .cpu_dai_name = "DMIC Pin",
321                 .codec_name = "snd-soc-dummy",
322                 .codec_dai_name = "snd-soc-dummy-dai",
323                 .platform_name = "0000:00:0e.0",
324                 .init = NULL,
325                 .dpcm_capture = 1,
326                 .nonatomic = 1,
327                 .dynamic = 1,
328                 .ops = &broxton_dmic_ops,
329         },
330         [BXT_DPCM_AUDIO_HDMI1_PB] =
331         {
332                 .name = "Bxt HDMI Port1",
333                 .stream_name = "Hdmi1",
334                 .cpu_dai_name = "HDMI1 Pin",
335                 .codec_name = "snd-soc-dummy",
336                 .codec_dai_name = "snd-soc-dummy-dai",
337                 .platform_name = "0000:00:0e.0",
338                 .dpcm_playback = 1,
339                 .init = NULL,
340                 .nonatomic = 1,
341                 .dynamic = 1,
342         },
343         [BXT_DPCM_AUDIO_HDMI2_PB] =
344         {
345                 .name = "Bxt HDMI Port2",
346                 .stream_name = "Hdmi2",
347                 .cpu_dai_name = "HDMI2 Pin",
348                 .codec_name = "snd-soc-dummy",
349                 .codec_dai_name = "snd-soc-dummy-dai",
350                 .platform_name = "0000:00:0e.0",
351                 .dpcm_playback = 1,
352                 .init = NULL,
353                 .nonatomic = 1,
354                 .dynamic = 1,
355         },
356         [BXT_DPCM_AUDIO_HDMI3_PB] =
357         {
358                 .name = "Bxt HDMI Port3",
359                 .stream_name = "Hdmi3",
360                 .cpu_dai_name = "HDMI3 Pin",
361                 .codec_name = "snd-soc-dummy",
362                 .codec_dai_name = "snd-soc-dummy-dai",
363                 .platform_name = "0000:00:0e.0",
364                 .dpcm_playback = 1,
365                 .init = NULL,
366                 .nonatomic = 1,
367                 .dynamic = 1,
368         },
369         /* Back End DAI links */
370         {
371                 /* SSP5 - Codec */
372                 .name = "SSP5-Codec",
373                 .id = 0,
374                 .cpu_dai_name = "SSP5 Pin",
375                 .platform_name = "0000:00:0e.0",
376                 .no_pcm = 1,
377                 .codec_name = "i2c-INT343A:00",
378                 .codec_dai_name = "rt298-aif1",
379                 .init = broxton_rt298_codec_init,
380                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
381                                                 SND_SOC_DAIFMT_CBS_CFS,
382                 .ignore_pmdown_time = 1,
383                 .be_hw_params_fixup = broxton_ssp5_fixup,
384                 .ops = &broxton_rt298_ops,
385                 .dpcm_playback = 1,
386                 .dpcm_capture = 1,
387         },
388         {
389                 .name = "dmic01",
390                 .id = 1,
391                 .cpu_dai_name = "DMIC01 Pin",
392                 .codec_name = "dmic-codec",
393                 .codec_dai_name = "dmic-hifi",
394                 .platform_name = "0000:00:0e.0",
395                 .be_hw_params_fixup = broxton_dmic_fixup,
396                 .ignore_suspend = 1,
397                 .dpcm_capture = 1,
398                 .no_pcm = 1,
399         },
400         {
401                 .name = "iDisp1",
402                 .id = 3,
403                 .cpu_dai_name = "iDisp1 Pin",
404                 .codec_name = "ehdaudio0D2",
405                 .codec_dai_name = "intel-hdmi-hifi1",
406                 .platform_name = "0000:00:0e.0",
407                 .init = broxton_hdmi_init,
408                 .dpcm_playback = 1,
409                 .no_pcm = 1,
410         },
411         {
412                 .name = "iDisp2",
413                 .id = 4,
414                 .cpu_dai_name = "iDisp2 Pin",
415                 .codec_name = "ehdaudio0D2",
416                 .codec_dai_name = "intel-hdmi-hifi2",
417                 .platform_name = "0000:00:0e.0",
418                 .init = broxton_hdmi_init,
419                 .dpcm_playback = 1,
420                 .no_pcm = 1,
421         },
422         {
423                 .name = "iDisp3",
424                 .id = 5,
425                 .cpu_dai_name = "iDisp3 Pin",
426                 .codec_name = "ehdaudio0D2",
427                 .codec_dai_name = "intel-hdmi-hifi3",
428                 .platform_name = "0000:00:0e.0",
429                 .init = broxton_hdmi_init,
430                 .dpcm_playback = 1,
431                 .no_pcm = 1,
432         },
433 };
434 
435 /* broxton audio machine driver for SPT + RT298S */
436 static struct snd_soc_card broxton_rt298 = {
437         .name = "broxton-rt298",
438         .owner = THIS_MODULE,
439         .dai_link = broxton_rt298_dais,
440         .num_links = ARRAY_SIZE(broxton_rt298_dais),
441         .controls = broxton_controls,
442         .num_controls = ARRAY_SIZE(broxton_controls),
443         .dapm_widgets = broxton_widgets,
444         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
445         .dapm_routes = broxton_rt298_map,
446         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
447         .fully_routed = true,
448 };
449 
450 static int broxton_audio_probe(struct platform_device *pdev)
451 {
452         broxton_rt298.dev = &pdev->dev;
453 
454         return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
455 }
456 
457 static struct platform_driver broxton_audio = {
458         .probe = broxton_audio_probe,
459         .driver = {
460                 .name = "bxt_alc298s_i2s",
461                 .pm = &snd_soc_pm_ops,
462         },
463 };
464 module_platform_driver(broxton_audio)
465 
466 /* Module information */
467 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
468 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
469 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
470 MODULE_LICENSE("GPL v2");
471 MODULE_ALIAS("platform:bxt_alc298s_i2s");
472 

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