2 * Intel Skylake I2S Machine Driver
4 * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
7 * Intel Broadwell Wildcatpoint SST Audio
9 * Copyright (C) 2013, Intel Corporation. All rights reserved.
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.
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.
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"
30 static struct snd_soc_jack skylake_headset;
31 /* Headset jack detection DAPM pins */
32 static struct snd_soc_jack_pin skylake_headset_pins[] = {
35 .mask = SND_JACK_MICROPHONE,
38 .pin = "Headphone Jack",
39 .mask = SND_JACK_HEADPHONE,
43 static const struct snd_kcontrol_new skylake_controls[] = {
44 SOC_DAPM_PIN_SWITCH("Speaker"),
45 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
46 SOC_DAPM_PIN_SWITCH("Mic Jack"),
49 static const struct snd_soc_dapm_widget skylake_widgets[] = {
50 SND_SOC_DAPM_HP("Headphone Jack", NULL),
51 SND_SOC_DAPM_SPK("Speaker", NULL),
52 SND_SOC_DAPM_MIC("Mic Jack", NULL),
53 SND_SOC_DAPM_MIC("DMIC2", NULL),
54 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
55 SND_SOC_DAPM_SINK("WoV Sink"),
58 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
60 {"Speaker", NULL, "SPOR"},
61 {"Speaker", NULL, "SPOL"},
63 /* HP jack connectors - unknown if we have jack deteck */
64 {"Headphone Jack", NULL, "HPO Pin"},
67 {"MIC1", NULL, "Mic Jack"},
70 {"DMIC1 Pin", NULL, "DMIC2"},
71 {"DMic", NULL, "SoC DMIC"},
73 {"WoV Sink", NULL, "hwd_in sink"},
75 /* CODEC BE connections */
76 { "AIF1 Playback", NULL, "ssp0 Tx"},
77 { "ssp0 Tx", NULL, "codec0_out"},
78 { "ssp0 Tx", NULL, "codec1_out"},
80 { "codec0_in", NULL, "ssp0 Rx" },
81 { "codec1_in", NULL, "ssp0 Rx" },
82 { "ssp0 Rx", NULL, "AIF1 Capture" },
84 { "dmic01_hifi", NULL, "DMIC01 Rx" },
85 { "DMIC01 Rx", NULL, "DMIC AIF" },
87 { "hif1", NULL, "iDisp Tx"},
88 { "iDisp Tx", NULL, "iDisp_out"},
92 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
94 struct snd_soc_dapm_context *dapm;
95 struct snd_soc_component *component = rtd->cpu_dai->component;
97 dapm = snd_soc_component_get_dapm(component);
98 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
103 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
105 struct snd_soc_codec *codec = rtd->codec;
108 ret = snd_soc_card_jack_new(rtd->card, "Headset",
109 SND_JACK_HEADSET | SND_JACK_BTN_0,
111 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
116 rt286_mic_detect(codec, &skylake_headset);
118 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
119 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "WoV Sink");
124 static unsigned int rates[] = {
128 static struct snd_pcm_hw_constraint_list constraints_rates = {
129 .count = ARRAY_SIZE(rates),
134 static unsigned int channels[] = {
138 static struct snd_pcm_hw_constraint_list constraints_channels = {
139 .count = ARRAY_SIZE(channels),
144 static int skl_fe_startup(struct snd_pcm_substream *substream)
146 struct snd_pcm_runtime *runtime = substream->runtime;
149 * on this platform for PCM device we support,
155 runtime->hw.channels_max = 2;
156 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
157 &constraints_channels);
159 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
160 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
162 snd_pcm_hw_constraint_list(runtime, 0,
163 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
168 static const struct snd_soc_ops skylake_rt286_fe_ops = {
169 .startup = skl_fe_startup,
172 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
173 struct snd_pcm_hw_params *params)
175 struct snd_interval *rate = hw_param_interval(params,
176 SNDRV_PCM_HW_PARAM_RATE);
177 struct snd_interval *channels = hw_param_interval(params,
178 SNDRV_PCM_HW_PARAM_CHANNELS);
179 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
181 /* The output is 48KHz, stereo, 16bits */
182 rate->min = rate->max = 48000;
183 channels->min = channels->max = 2;
185 /* set SSP0 to 24 bit */
187 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
191 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
192 struct snd_pcm_hw_params *params)
194 struct snd_soc_pcm_runtime *rtd = substream->private_data;
195 struct snd_soc_dai *codec_dai = rtd->codec_dai;
198 ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
201 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
206 static struct snd_soc_ops skylake_rt286_ops = {
207 .hw_params = skylake_rt286_hw_params,
210 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
211 struct snd_pcm_hw_params *params)
213 struct snd_interval *channels = hw_param_interval(params,
214 SNDRV_PCM_HW_PARAM_CHANNELS);
215 channels->min = channels->max = 4;
220 static unsigned int channels_dmic[] = {
224 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
225 .count = ARRAY_SIZE(channels_dmic),
226 .list = channels_dmic,
230 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
232 struct snd_pcm_runtime *runtime = substream->runtime;
234 runtime->hw.channels_max = 4;
235 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
236 &constraints_dmic_channels);
238 return snd_pcm_hw_constraint_list(substream->runtime, 0,
239 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
242 static struct snd_soc_ops skylake_dmic_ops = {
243 .startup = skylake_dmic_startup,
246 /* skylake digital audio interface glue - connects codec <--> CPU */
247 static struct snd_soc_dai_link skylake_rt286_dais[] = {
248 /* Front End DAI links */
250 .name = "Skl Audio Port",
251 .stream_name = "Audio",
252 .cpu_dai_name = "System Pin",
253 .platform_name = "0000:00:1f.3",
256 .codec_name = "snd-soc-dummy",
257 .codec_dai_name = "snd-soc-dummy-dai",
258 .init = skylake_rt286_fe_init,
260 SND_SOC_DPCM_TRIGGER_POST,
261 SND_SOC_DPCM_TRIGGER_POST
264 .ops = &skylake_rt286_fe_ops,
267 .name = "Skl Audio Capture Port",
268 .stream_name = "Audio Record",
269 .cpu_dai_name = "System Pin",
270 .platform_name = "0000:00:1f.3",
273 .codec_name = "snd-soc-dummy",
274 .codec_dai_name = "snd-soc-dummy-dai",
276 SND_SOC_DPCM_TRIGGER_POST,
277 SND_SOC_DPCM_TRIGGER_POST
280 .ops = &skylake_rt286_fe_ops,
283 .name = "Skl Audio Reference cap",
284 .stream_name = "refcap",
285 .cpu_dai_name = "Reference Pin",
286 .codec_name = "snd-soc-dummy",
287 .codec_dai_name = "snd-soc-dummy-dai",
288 .platform_name = "0000:00:1f.3",
296 .name = "Skl Audio DMIC cap",
297 .stream_name = "dmiccap",
298 .cpu_dai_name = "DMIC Pin",
299 .codec_name = "snd-soc-dummy",
300 .codec_dai_name = "snd-soc-dummy-dai",
301 .platform_name = "0000:00:1f.3",
306 .ops = &skylake_dmic_ops,
309 /* Back End DAI links */
312 .name = "SSP0-Codec",
314 .cpu_dai_name = "SSP0 Pin",
315 .platform_name = "0000:00:1f.3",
317 .codec_name = "i2c-INT343A:00",
318 .codec_dai_name = "rt286-aif1",
319 .init = skylake_rt286_codec_init,
320 .dai_fmt = SND_SOC_DAIFMT_I2S |
321 SND_SOC_DAIFMT_NB_NF |
322 SND_SOC_DAIFMT_CBS_CFS,
323 .ignore_pmdown_time = 1,
324 .be_hw_params_fixup = skylake_ssp0_fixup,
325 .ops = &skylake_rt286_ops,
332 .cpu_dai_name = "DMIC01 Pin",
333 .codec_name = "dmic-codec",
334 .codec_dai_name = "dmic-hifi",
335 .platform_name = "0000:00:1f.3",
336 .be_hw_params_fixup = skylake_dmic_fixup,
343 /* skylake audio machine driver for SPT + RT286S */
344 static struct snd_soc_card skylake_rt286 = {
345 .name = "skylake-rt286",
346 .owner = THIS_MODULE,
347 .dai_link = skylake_rt286_dais,
348 .num_links = ARRAY_SIZE(skylake_rt286_dais),
349 .controls = skylake_controls,
350 .num_controls = ARRAY_SIZE(skylake_controls),
351 .dapm_widgets = skylake_widgets,
352 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
353 .dapm_routes = skylake_rt286_map,
354 .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
355 .fully_routed = true,
358 static int skylake_audio_probe(struct platform_device *pdev)
360 skylake_rt286.dev = &pdev->dev;
362 return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
365 static struct platform_driver skylake_audio = {
366 .probe = skylake_audio_probe,
368 .name = "skl_alc286s_i2s",
369 .pm = &snd_soc_pm_ops,
373 module_platform_driver(skylake_audio)
375 /* Module information */
376 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
377 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
378 MODULE_LICENSE("GPL v2");
379 MODULE_ALIAS("platform:skl_alc286s_i2s");