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/*
* Intel Skylake I2S Machine Driver
*
* Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
*
* Modified from:
* Intel Broadwell Wildcatpoint SST Audio
*
* Copyright (C) 2013, Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include "../../codecs/rt286.h"
static struct snd_soc_jack skylake_headset;
/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin skylake_headset_pins[] = {
{
.pin = "Mic Jack",
.mask = SND_JACK_MICROPHONE,
},
{
.pin = "Headphone Jack",
.mask = SND_JACK_HEADPHONE,
},
};
static const struct snd_kcontrol_new skylake_controls[] = {
SOC_DAPM_PIN_SWITCH("Speaker"),
SOC_DAPM_PIN_SWITCH("Headphone Jack"),
SOC_DAPM_PIN_SWITCH("Mic Jack"),
};
static const struct snd_soc_dapm_widget skylake_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_SPK("Speaker", NULL),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
SND_SOC_DAPM_MIC("DMIC2", NULL),
SND_SOC_DAPM_MIC("SoC DMIC", NULL),
};
static const struct snd_soc_dapm_route skylake_rt286_map[] = {
/* speaker */
{"Speaker", NULL, "SPOR"},
{"Speaker", NULL, "SPOL"},
/* HP jack connectors - unknown if we have jack deteck */
{"Headphone Jack", NULL, "HPO Pin"},
/* other jacks */
{"MIC1", NULL, "Mic Jack"},
/* digital mics */
{"DMIC1 Pin", NULL, "DMIC2"},
{"DMIC AIF", NULL, "SoC DMIC"},
/* CODEC BE connections */
{ "AIF1 Playback", NULL, "ssp0 Tx"},
{ "ssp0 Tx", NULL, "codec0_out"},
{ "ssp0 Tx", NULL, "codec1_out"},
{ "codec0_in", NULL, "ssp0 Rx" },
{ "codec1_in", NULL, "ssp0 Rx" },
{ "ssp0 Rx", NULL, "AIF1 Capture" },
{ "dmic01_hifi", NULL, "DMIC01 Rx" },
{ "DMIC01 Rx", NULL, "Capture" },
{ "hif1", NULL, "iDisp Tx"},
{ "iDisp Tx", NULL, "iDisp_out"},
};
static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
int ret;
ret = snd_soc_card_jack_new(rtd->card, "Headset",
SND_JACK_HEADSET | SND_JACK_BTN_0,
&skylake_headset,
skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
if (ret)
return ret;
rt286_mic_detect(codec, &skylake_headset);
return 0;
}
static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct snd_interval *rate = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_RATE);
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
/* The output is 48KHz, stereo, 16bits */
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
int ret;
ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
return ret;
}
static struct snd_soc_ops skylake_rt286_ops = {
.hw_params = skylake_rt286_hw_params,
};
/* skylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link skylake_rt286_dais[] = {
/* Front End DAI links */
{
.name = "Skl Audio Port",
.stream_name = "Audio",
.cpu_dai_name = "System Pin",
.platform_name = "0000:00:1f.3",
.nonatomic = 1,
.dynamic = 1,
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.trigger = {
SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST
},
.dpcm_playback = 1,
},
{
.name = "Skl Audio Capture Port",
.stream_name = "Audio Record",
.cpu_dai_name = "System Pin",
.platform_name = "0000:00:1f.3",
.nonatomic = 1,
.dynamic = 1,
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.trigger = {
SND_SOC_DPCM_TRIGGER_POST,
SND_SOC_DPCM_TRIGGER_POST
},
.dpcm_capture = 1,
},
{
.name = "Skl Audio Reference cap",
.stream_name = "refcap",
.cpu_dai_name = "Reference Pin",
.codec_name = "snd-soc-dummy",
.codec_dai_name = "snd-soc-dummy-dai",
.platform_name = "0000:00:1f.3",
.init = NULL,
.dpcm_capture = 1,
.ignore_suspend = 1,
.nonatomic = 1,
.dynamic = 1,
},
/* Back End DAI links */
{
/* SSP0 - Codec */
.name = "SSP0-Codec",
.be_id = 0,
.cpu_dai_name = "SSP0 Pin",
.platform_name = "0000:00:1f.3",
.no_pcm = 1,
.codec_name = "i2c-INT343A:00",
.codec_dai_name = "rt286-aif1",
.init = skylake_rt286_codec_init,
.dai_fmt = SND_SOC_DAIFMT_I2S |
SND_SOC_DAIFMT_NB_NF |
SND_SOC_DAIFMT_CBS_CFS,
.ignore_suspend = 1,
.ignore_pmdown_time = 1,
.be_hw_params_fixup = skylake_ssp0_fixup,
.ops = &skylake_rt286_ops,
.dpcm_playback = 1,
.dpcm_capture = 1,
},
{
.name = "dmic01",
.be_id = 1,
.cpu_dai_name = "DMIC01 Pin",
.codec_name = "dmic-codec",
.codec_dai_name = "dmic-hifi",
.platform_name = "0000:00:1f.3",
.ignore_suspend = 1,
.dpcm_capture = 1,
.no_pcm = 1,
},
};
/* skylake audio machine driver for SPT + RT286S */
static struct snd_soc_card skylake_rt286 = {
.name = "skylake-rt286",
.owner = THIS_MODULE,
.dai_link = skylake_rt286_dais,
.num_links = ARRAY_SIZE(skylake_rt286_dais),
.controls = skylake_controls,
.num_controls = ARRAY_SIZE(skylake_controls),
.dapm_widgets = skylake_widgets,
.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
.dapm_routes = skylake_rt286_map,
.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
.fully_routed = true,
};
static int skylake_audio_probe(struct platform_device *pdev)
{
skylake_rt286.dev = &pdev->dev;
return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
}
static struct platform_driver skylake_audio = {
.probe = skylake_audio_probe,
.driver = {
.name = "skl_alc286s_i2s",
},
};
module_platform_driver(skylake_audio)
/* Module information */
MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
MODULE_DESCRIPTION("Intel SST Audio for Skylake");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:skl_alc286s_i2s");
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