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1/*
2 * Intel Skylake I2S Machine Driver
3 *
4 * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
5 *
6 * Modified from:
7 * Intel Broadwell Wildcatpoint SST Audio
8 *
9 * Copyright (C) 2013, Intel Corporation. All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License version
13 * 2 as published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 */
20
21#include <linux/module.h>
22#include <linux/platform_device.h>
23#include <sound/core.h>
24#include <sound/pcm.h>
25#include <sound/soc.h>
26#include <sound/jack.h>
27#include <sound/pcm_params.h>
28#include "../../codecs/rt286.h"
29#include "../../codecs/hdac_hdmi.h"
30
31static struct snd_soc_jack skylake_headset;
32
33enum {
34 SKL_DPCM_AUDIO_PB = 0,
35 SKL_DPCM_AUDIO_CP,
36 SKL_DPCM_AUDIO_REF_CP,
37 SKL_DPCM_AUDIO_DMIC_CP,
38 SKL_DPCM_AUDIO_HDMI1_PB,
39 SKL_DPCM_AUDIO_HDMI2_PB,
40 SKL_DPCM_AUDIO_HDMI3_PB,
41};
42
43/* Headset jack detection DAPM pins */
44static struct snd_soc_jack_pin skylake_headset_pins[] = {
45 {
46 .pin = "Mic Jack",
47 .mask = SND_JACK_MICROPHONE,
48 },
49 {
50 .pin = "Headphone Jack",
51 .mask = SND_JACK_HEADPHONE,
52 },
53};
54
55static const struct snd_kcontrol_new skylake_controls[] = {
56 SOC_DAPM_PIN_SWITCH("Speaker"),
57 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
58 SOC_DAPM_PIN_SWITCH("Mic Jack"),
59};
60
61static const struct snd_soc_dapm_widget skylake_widgets[] = {
62 SND_SOC_DAPM_HP("Headphone Jack", NULL),
63 SND_SOC_DAPM_SPK("Speaker", NULL),
64 SND_SOC_DAPM_MIC("Mic Jack", NULL),
65 SND_SOC_DAPM_MIC("DMIC2", NULL),
66 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
67 SND_SOC_DAPM_SPK("HDMI1", NULL),
68 SND_SOC_DAPM_SPK("HDMI2", NULL),
69 SND_SOC_DAPM_SPK("HDMI3", NULL),
70};
71
72static const struct snd_soc_dapm_route skylake_rt286_map[] = {
73 /* speaker */
74 {"Speaker", NULL, "SPOR"},
75 {"Speaker", NULL, "SPOL"},
76
77 /* HP jack connectors - unknown if we have jack deteck */
78 {"Headphone Jack", NULL, "HPO Pin"},
79
80 /* other jacks */
81 {"MIC1", NULL, "Mic Jack"},
82
83 /* digital mics */
84 {"DMIC1 Pin", NULL, "DMIC2"},
85 {"DMic", NULL, "SoC DMIC"},
86
87 {"HDMI1", NULL, "hif5 Output"},
88 {"HDMI2", NULL, "hif6 Output"},
89 {"HDMI3", NULL, "hif7 Output"},
90
91 /* CODEC BE connections */
92 { "AIF1 Playback", NULL, "ssp0 Tx"},
93 { "ssp0 Tx", NULL, "codec0_out"},
94 { "ssp0 Tx", NULL, "codec1_out"},
95
96 { "codec0_in", NULL, "ssp0 Rx" },
97 { "codec1_in", NULL, "ssp0 Rx" },
98 { "ssp0 Rx", NULL, "AIF1 Capture" },
99
100 { "dmic01_hifi", NULL, "DMIC01 Rx" },
101 { "DMIC01 Rx", NULL, "DMIC AIF" },
102
103 { "hifi3", NULL, "iDisp3 Tx"},
104 { "iDisp3 Tx", NULL, "iDisp3_out"},
105 { "hifi2", NULL, "iDisp2 Tx"},
106 { "iDisp2 Tx", NULL, "iDisp2_out"},
107 { "hifi1", NULL, "iDisp1 Tx"},
108 { "iDisp1 Tx", NULL, "iDisp1_out"},
109
110};
111
112static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
113{
114 struct snd_soc_dapm_context *dapm;
115 struct snd_soc_component *component = rtd->cpu_dai->component;
116
117 dapm = snd_soc_component_get_dapm(component);
118 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
119
120 return 0;
121}
122
123static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
124{
125 struct snd_soc_codec *codec = rtd->codec;
126 int ret;
127
128 ret = snd_soc_card_jack_new(rtd->card, "Headset",
129 SND_JACK_HEADSET | SND_JACK_BTN_0,
130 &skylake_headset,
131 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
132
133 if (ret)
134 return ret;
135
136 rt286_mic_detect(codec, &skylake_headset);
137
138 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
139
140 return 0;
141}
142
143static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
144{
145 struct snd_soc_dai *dai = rtd->codec_dai;
146
147 return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB + dai->id);
148}
149
150static unsigned int rates[] = {
151 48000,
152};
153
154static struct snd_pcm_hw_constraint_list constraints_rates = {
155 .count = ARRAY_SIZE(rates),
156 .list = rates,
157 .mask = 0,
158};
159
160static unsigned int channels[] = {
161 2,
162};
163
164static struct snd_pcm_hw_constraint_list constraints_channels = {
165 .count = ARRAY_SIZE(channels),
166 .list = channels,
167 .mask = 0,
168};
169
170static int skl_fe_startup(struct snd_pcm_substream *substream)
171{
172 struct snd_pcm_runtime *runtime = substream->runtime;
173
174 /*
175 * on this platform for PCM device we support,
176 * 48Khz
177 * stereo
178 * 16 bit audio
179 */
180
181 runtime->hw.channels_max = 2;
182 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
183 &constraints_channels);
184
185 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
186 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
187
188 snd_pcm_hw_constraint_list(runtime, 0,
189 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
190
191 return 0;
192}
193
194static const struct snd_soc_ops skylake_rt286_fe_ops = {
195 .startup = skl_fe_startup,
196};
197
198static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
199 struct snd_pcm_hw_params *params)
200{
201 struct snd_interval *rate = hw_param_interval(params,
202 SNDRV_PCM_HW_PARAM_RATE);
203 struct snd_interval *channels = hw_param_interval(params,
204 SNDRV_PCM_HW_PARAM_CHANNELS);
205 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
206
207 /* The output is 48KHz, stereo, 16bits */
208 rate->min = rate->max = 48000;
209 channels->min = channels->max = 2;
210
211 /* set SSP0 to 24 bit */
212 snd_mask_none(fmt);
213 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
214 return 0;
215}
216
217static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
218 struct snd_pcm_hw_params *params)
219{
220 struct snd_soc_pcm_runtime *rtd = substream->private_data;
221 struct snd_soc_dai *codec_dai = rtd->codec_dai;
222 int ret;
223
224 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
225 SND_SOC_CLOCK_IN);
226 if (ret < 0)
227 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
228
229 return ret;
230}
231
232static struct snd_soc_ops skylake_rt286_ops = {
233 .hw_params = skylake_rt286_hw_params,
234};
235
236static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
237 struct snd_pcm_hw_params *params)
238{
239 struct snd_interval *channels = hw_param_interval(params,
240 SNDRV_PCM_HW_PARAM_CHANNELS);
241 if (params_channels(params) == 2)
242 channels->min = channels->max = 2;
243 else
244 channels->min = channels->max = 4;
245
246 return 0;
247}
248
249static unsigned int channels_dmic[] = {
250 2, 4,
251};
252
253static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
254 .count = ARRAY_SIZE(channels_dmic),
255 .list = channels_dmic,
256 .mask = 0,
257};
258
259static int skylake_dmic_startup(struct snd_pcm_substream *substream)
260{
261 struct snd_pcm_runtime *runtime = substream->runtime;
262
263 runtime->hw.channels_max = 4;
264 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
265 &constraints_dmic_channels);
266
267 return snd_pcm_hw_constraint_list(substream->runtime, 0,
268 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
269}
270
271static struct snd_soc_ops skylake_dmic_ops = {
272 .startup = skylake_dmic_startup,
273};
274
275/* skylake digital audio interface glue - connects codec <--> CPU */
276static struct snd_soc_dai_link skylake_rt286_dais[] = {
277 /* Front End DAI links */
278 [SKL_DPCM_AUDIO_PB] = {
279 .name = "Skl Audio Port",
280 .stream_name = "Audio",
281 .cpu_dai_name = "System Pin",
282 .platform_name = "0000:00:1f.3",
283 .nonatomic = 1,
284 .dynamic = 1,
285 .codec_name = "snd-soc-dummy",
286 .codec_dai_name = "snd-soc-dummy-dai",
287 .init = skylake_rt286_fe_init,
288 .trigger = {
289 SND_SOC_DPCM_TRIGGER_POST,
290 SND_SOC_DPCM_TRIGGER_POST
291 },
292 .dpcm_playback = 1,
293 .ops = &skylake_rt286_fe_ops,
294 },
295 [SKL_DPCM_AUDIO_CP] = {
296 .name = "Skl Audio Capture Port",
297 .stream_name = "Audio Record",
298 .cpu_dai_name = "System Pin",
299 .platform_name = "0000:00:1f.3",
300 .nonatomic = 1,
301 .dynamic = 1,
302 .codec_name = "snd-soc-dummy",
303 .codec_dai_name = "snd-soc-dummy-dai",
304 .trigger = {
305 SND_SOC_DPCM_TRIGGER_POST,
306 SND_SOC_DPCM_TRIGGER_POST
307 },
308 .dpcm_capture = 1,
309 .ops = &skylake_rt286_fe_ops,
310 },
311 [SKL_DPCM_AUDIO_REF_CP] = {
312 .name = "Skl Audio Reference cap",
313 .stream_name = "refcap",
314 .cpu_dai_name = "Reference Pin",
315 .codec_name = "snd-soc-dummy",
316 .codec_dai_name = "snd-soc-dummy-dai",
317 .platform_name = "0000:00:1f.3",
318 .init = NULL,
319 .dpcm_capture = 1,
320 .ignore_suspend = 1,
321 .nonatomic = 1,
322 .dynamic = 1,
323 },
324 [SKL_DPCM_AUDIO_DMIC_CP] = {
325 .name = "Skl Audio DMIC cap",
326 .stream_name = "dmiccap",
327 .cpu_dai_name = "DMIC Pin",
328 .codec_name = "snd-soc-dummy",
329 .codec_dai_name = "snd-soc-dummy-dai",
330 .platform_name = "0000:00:1f.3",
331 .init = NULL,
332 .dpcm_capture = 1,
333 .nonatomic = 1,
334 .dynamic = 1,
335 .ops = &skylake_dmic_ops,
336 },
337 [SKL_DPCM_AUDIO_HDMI1_PB] = {
338 .name = "Skl HDMI Port1",
339 .stream_name = "Hdmi1",
340 .cpu_dai_name = "HDMI1 Pin",
341 .codec_name = "snd-soc-dummy",
342 .codec_dai_name = "snd-soc-dummy-dai",
343 .platform_name = "0000:00:1f.3",
344 .dpcm_playback = 1,
345 .init = NULL,
346 .nonatomic = 1,
347 .dynamic = 1,
348 },
349 [SKL_DPCM_AUDIO_HDMI2_PB] = {
350 .name = "Skl HDMI Port2",
351 .stream_name = "Hdmi2",
352 .cpu_dai_name = "HDMI2 Pin",
353 .codec_name = "snd-soc-dummy",
354 .codec_dai_name = "snd-soc-dummy-dai",
355 .platform_name = "0000:00:1f.3",
356 .dpcm_playback = 1,
357 .init = NULL,
358 .nonatomic = 1,
359 .dynamic = 1,
360 },
361 [SKL_DPCM_AUDIO_HDMI3_PB] = {
362 .name = "Skl HDMI Port3",
363 .stream_name = "Hdmi3",
364 .cpu_dai_name = "HDMI3 Pin",
365 .codec_name = "snd-soc-dummy",
366 .codec_dai_name = "snd-soc-dummy-dai",
367 .platform_name = "0000:00:1f.3",
368 .dpcm_playback = 1,
369 .init = NULL,
370 .nonatomic = 1,
371 .dynamic = 1,
372 },
373
374 /* Back End DAI links */
375 {
376 /* SSP0 - Codec */
377 .name = "SSP0-Codec",
378 .be_id = 0,
379 .cpu_dai_name = "SSP0 Pin",
380 .platform_name = "0000:00:1f.3",
381 .no_pcm = 1,
382 .codec_name = "i2c-INT343A:00",
383 .codec_dai_name = "rt286-aif1",
384 .init = skylake_rt286_codec_init,
385 .dai_fmt = SND_SOC_DAIFMT_I2S |
386 SND_SOC_DAIFMT_NB_NF |
387 SND_SOC_DAIFMT_CBS_CFS,
388 .ignore_pmdown_time = 1,
389 .be_hw_params_fixup = skylake_ssp0_fixup,
390 .ops = &skylake_rt286_ops,
391 .dpcm_playback = 1,
392 .dpcm_capture = 1,
393 },
394 {
395 .name = "dmic01",
396 .be_id = 1,
397 .cpu_dai_name = "DMIC01 Pin",
398 .codec_name = "dmic-codec",
399 .codec_dai_name = "dmic-hifi",
400 .platform_name = "0000:00:1f.3",
401 .be_hw_params_fixup = skylake_dmic_fixup,
402 .ignore_suspend = 1,
403 .dpcm_capture = 1,
404 .no_pcm = 1,
405 },
406 {
407 .name = "iDisp1",
408 .be_id = 2,
409 .cpu_dai_name = "iDisp1 Pin",
410 .codec_name = "ehdaudio0D2",
411 .codec_dai_name = "intel-hdmi-hifi1",
412 .platform_name = "0000:00:1f.3",
413 .init = skylake_hdmi_init,
414 .dpcm_playback = 1,
415 .no_pcm = 1,
416 },
417 {
418 .name = "iDisp2",
419 .be_id = 3,
420 .cpu_dai_name = "iDisp2 Pin",
421 .codec_name = "ehdaudio0D2",
422 .codec_dai_name = "intel-hdmi-hifi2",
423 .platform_name = "0000:00:1f.3",
424 .init = skylake_hdmi_init,
425 .dpcm_playback = 1,
426 .no_pcm = 1,
427 },
428 {
429 .name = "iDisp3",
430 .be_id = 4,
431 .cpu_dai_name = "iDisp3 Pin",
432 .codec_name = "ehdaudio0D2",
433 .codec_dai_name = "intel-hdmi-hifi3",
434 .platform_name = "0000:00:1f.3",
435 .init = skylake_hdmi_init,
436 .dpcm_playback = 1,
437 .no_pcm = 1,
438 },
439};
440
441/* skylake audio machine driver for SPT + RT286S */
442static struct snd_soc_card skylake_rt286 = {
443 .name = "skylake-rt286",
444 .owner = THIS_MODULE,
445 .dai_link = skylake_rt286_dais,
446 .num_links = ARRAY_SIZE(skylake_rt286_dais),
447 .controls = skylake_controls,
448 .num_controls = ARRAY_SIZE(skylake_controls),
449 .dapm_widgets = skylake_widgets,
450 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
451 .dapm_routes = skylake_rt286_map,
452 .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
453 .fully_routed = true,
454};
455
456static int skylake_audio_probe(struct platform_device *pdev)
457{
458 skylake_rt286.dev = &pdev->dev;
459
460 return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
461}
462
463static struct platform_driver skylake_audio = {
464 .probe = skylake_audio_probe,
465 .driver = {
466 .name = "skl_alc286s_i2s",
467 .pm = &snd_soc_pm_ops,
468 },
469};
470
471module_platform_driver(skylake_audio)
472
473/* Module information */
474MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
475MODULE_DESCRIPTION("Intel SST Audio for Skylake");
476MODULE_LICENSE("GPL v2");
477MODULE_ALIAS("platform:skl_alc286s_i2s");