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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
29static struct snd_soc_jack broxton_headset;
30/* Headset jack detection DAPM pins */
31
32enum {
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
42static 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
53static 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
59static 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
70static 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
109static 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
120static 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
140static 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
147static 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
167static 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
184static const struct snd_soc_ops broxton_rt298_ops = {
185 .hw_params = broxton_rt298_hw_params,
186};
187
188static unsigned int rates[] = {
189 48000,
190};
191
192static struct snd_pcm_hw_constraint_list constraints_rates = {
193 .count = ARRAY_SIZE(rates),
194 .list = rates,
195 .mask = 0,
196};
197
198static 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
211static unsigned int channels_dmic[] = {
212 2, 4,
213};
214
215static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
216 .count = ARRAY_SIZE(channels_dmic),
217 .list = channels_dmic,
218 .mask = 0,
219};
220
221static 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
233static const struct snd_soc_ops broxton_dmic_ops = {
234 .startup = broxton_dmic_startup,
235};
236
237static unsigned int channels[] = {
238 2,
239};
240
241static struct snd_pcm_hw_constraint_list constraints_channels = {
242 .count = ARRAY_SIZE(channels),
243 .list = channels,
244 .mask = 0,
245};
246
247static 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
267static 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 */
272static 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 */
436static 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
450static 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
457static 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};
464module_platform_driver(broxton_audio)
465
466/* Module information */
467MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
468MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
469MODULE_DESCRIPTION("Intel SST Audio for Broxton");
470MODULE_LICENSE("GPL v2");
471MODULE_ALIAS("platform:bxt_alc298s_i2s");