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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
ASoC: Intel: Skylake - Add Skylake RT286 I2S machine driver
Add the SKL I2S machine driver using Realtek ALC286S codec
in I2S mode.
Signed-off-by: Omair M Abdullah <omair.m.abdullah@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
authored by
Omair M Abdullah
and committed by
Mark Brown
624729fd
01bb84b5
+281
+13
sound/soc/intel/Kconfig
+13
sound/soc/intel/Kconfig
···
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select SND_HDA_EXT_CORE
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select SND_SOC_TOPOLOGY
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select SND_SOC_INTEL_SST
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+
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config SND_SOC_INTEL_SKL_RT286_MACH
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tristate "ASoC Audio driver for SKL with RT286 I2S mode"
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depends on X86 && ACPI
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select SND_SOC_INTEL_SST
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select SND_SOC_INTEL_SKYLAKE
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select SND_SOC_RT286
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select SND_SOC_DMIC
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help
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This adds support for ASoC machine driver for Skylake platforms
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with RT286 I2S audio codec.
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Say Y if you have such a device
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If unsure select "N".
+2
sound/soc/intel/boards/Makefile
+2
sound/soc/intel/boards/Makefile
···
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snd-soc-sst-cht-bsw-rt5672-objs := cht_bsw_rt5672.o
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snd-soc-sst-cht-bsw-rt5645-objs := cht_bsw_rt5645.o
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snd-soc-sst-cht-bsw-max98090_ti-objs := cht_bsw_max98090_ti.o
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snd-soc-skl_rt286-objs := skl_rt286.o
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obj-$(CONFIG_SND_SOC_INTEL_HASWELL_MACH) += snd-soc-sst-haswell.o
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obj-$(CONFIG_SND_SOC_INTEL_BYT_RT5640_MACH) += snd-soc-sst-byt-rt5640-mach.o
···
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obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5672_MACH) += snd-soc-sst-cht-bsw-rt5672.o
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obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_RT5645_MACH) += snd-soc-sst-cht-bsw-rt5645.o
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obj-$(CONFIG_SND_SOC_INTEL_CHT_BSW_MAX98090_TI_MACH) += snd-soc-sst-cht-bsw-max98090_ti.o
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obj-$(CONFIG_SND_SOC_INTEL_SKL_RT286_MACH) += snd-soc-skl_rt286.o
+266
sound/soc/intel/boards/skl_rt286.c
+266
sound/soc/intel/boards/skl_rt286.c
···
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/*
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* Intel Skylake I2S Machine Driver
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*
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* Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
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*
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* Modified from:
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* Intel Broadwell Wildcatpoint SST Audio
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*
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* Copyright (C) 2013, Intel Corporation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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+
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/soc.h>
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#include <sound/jack.h>
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#include <sound/pcm_params.h>
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#include "../../codecs/rt286.h"
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+
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static struct snd_soc_jack skylake_headset;
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/* Headset jack detection DAPM pins */
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static struct snd_soc_jack_pin skylake_headset_pins[] = {
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{
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.pin = "Mic Jack",
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.mask = SND_JACK_MICROPHONE,
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},
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{
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.pin = "Headphone Jack",
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.mask = SND_JACK_HEADPHONE,
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},
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};
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+
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static const struct snd_kcontrol_new skylake_controls[] = {
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SOC_DAPM_PIN_SWITCH("Speaker"),
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SOC_DAPM_PIN_SWITCH("Headphone Jack"),
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SOC_DAPM_PIN_SWITCH("Mic Jack"),
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};
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+
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static const struct snd_soc_dapm_widget skylake_widgets[] = {
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SND_SOC_DAPM_HP("Headphone Jack", NULL),
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SND_SOC_DAPM_SPK("Speaker", NULL),
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SND_SOC_DAPM_MIC("Mic Jack", NULL),
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SND_SOC_DAPM_MIC("DMIC2", NULL),
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SND_SOC_DAPM_MIC("SoC DMIC", NULL),
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};
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+
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static const struct snd_soc_dapm_route skylake_rt286_map[] = {
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/* speaker */
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{"Speaker", NULL, "SPOR"},
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{"Speaker", NULL, "SPOL"},
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+
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/* HP jack connectors - unknown if we have jack deteck */
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{"Headphone Jack", NULL, "HPO Pin"},
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+
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/* other jacks */
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{"MIC1", NULL, "Mic Jack"},
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/* digital mics */
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{"DMIC1 Pin", NULL, "DMIC2"},
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{"DMIC AIF", NULL, "SoC DMIC"},
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/* CODEC BE connections */
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{ "AIF1 Playback", NULL, "ssp0 Tx"},
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{ "ssp0 Tx", NULL, "codec0_out"},
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{ "ssp0 Tx", NULL, "codec1_out"},
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+
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{ "codec0_in", NULL, "ssp0 Rx" },
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{ "codec1_in", NULL, "ssp0 Rx" },
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{ "ssp0 Rx", NULL, "AIF1 Capture" },
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+
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{ "dmic01_hifi", NULL, "DMIC01 Rx" },
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{ "DMIC01 Rx", NULL, "Capture" },
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{ "hif1", NULL, "iDisp Tx"},
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{ "iDisp Tx", NULL, "iDisp_out"},
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};
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static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
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{
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struct snd_soc_codec *codec = rtd->codec;
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int ret;
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ret = snd_soc_card_jack_new(rtd->card, "Headset",
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SND_JACK_HEADSET | SND_JACK_BTN_0,
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&skylake_headset,
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skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
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if (ret)
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return ret;
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rt286_mic_detect(codec, &skylake_headset);
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return 0;
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}
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static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_interval *rate = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_RATE);
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struct snd_interval *channels = hw_param_interval(params,
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SNDRV_PCM_HW_PARAM_CHANNELS);
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/* The output is 48KHz, stereo, 16bits */
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rate->min = rate->max = 48000;
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channels->min = channels->max = 2;
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params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
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return 0;
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}
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static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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int ret;
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ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
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SND_SOC_CLOCK_IN);
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if (ret < 0)
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dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
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return ret;
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}
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static struct snd_soc_ops skylake_rt286_ops = {
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.hw_params = skylake_rt286_hw_params,
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};
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/* skylake digital audio interface glue - connects codec <--> CPU */
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static struct snd_soc_dai_link skylake_rt286_dais[] = {
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/* Front End DAI links */
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{
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.name = "Skl Audio Port",
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.stream_name = "Audio",
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.cpu_dai_name = "System Pin",
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.platform_name = "0000:00:1f.3",
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.nonatomic = 1,
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dpcm_playback = 1,
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},
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{
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.name = "Skl Audio Capture Port",
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.stream_name = "Audio Record",
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.cpu_dai_name = "System Pin",
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.platform_name = "0000:00:1f.3",
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.nonatomic = 1,
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.dynamic = 1,
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.trigger = {
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SND_SOC_DPCM_TRIGGER_POST,
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SND_SOC_DPCM_TRIGGER_POST
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},
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.dpcm_capture = 1,
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},
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{
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.name = "Skl Audio Reference cap",
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.stream_name = "refcap",
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.cpu_dai_name = "Reference Pin",
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.codec_name = "snd-soc-dummy",
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.codec_dai_name = "snd-soc-dummy-dai",
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.platform_name = "0000:00:1f.3",
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.init = NULL,
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.dpcm_capture = 1,
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.ignore_suspend = 1,
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.nonatomic = 1,
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.dynamic = 1,
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},
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/* Back End DAI links */
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{
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/* SSP0 - Codec */
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.name = "SSP0-Codec",
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.be_id = 0,
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.cpu_dai_name = "SSP0 Pin",
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.platform_name = "0000:00:1f.3",
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.no_pcm = 1,
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.codec_name = "i2c-INT343A:00",
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.codec_dai_name = "rt286-aif1",
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.init = skylake_rt286_codec_init,
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.dai_fmt = SND_SOC_DAIFMT_I2S |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CBS_CFS,
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.ignore_suspend = 1,
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.ignore_pmdown_time = 1,
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.be_hw_params_fixup = skylake_ssp0_fixup,
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.ops = &skylake_rt286_ops,
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.dpcm_playback = 1,
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.dpcm_capture = 1,
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},
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{
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.name = "dmic01",
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.be_id = 1,
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.cpu_dai_name = "DMIC01 Pin",
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.codec_name = "dmic-codec",
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.codec_dai_name = "dmic-hifi",
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.platform_name = "0000:00:1f.3",
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.ignore_suspend = 1,
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.dpcm_capture = 1,
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.no_pcm = 1,
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},
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};
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/* skylake audio machine driver for SPT + RT286S */
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static struct snd_soc_card skylake_rt286 = {
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.name = "skylake-rt286",
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.owner = THIS_MODULE,
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.dai_link = skylake_rt286_dais,
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.num_links = ARRAY_SIZE(skylake_rt286_dais),
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.controls = skylake_controls,
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.num_controls = ARRAY_SIZE(skylake_controls),
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.dapm_widgets = skylake_widgets,
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.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
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.dapm_routes = skylake_rt286_map,
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.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
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.fully_routed = true,
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};
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static int skylake_audio_probe(struct platform_device *pdev)
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{
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skylake_rt286.dev = &pdev->dev;
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return snd_soc_register_card(&skylake_rt286);
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}
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static int skylake_audio_remove(struct platform_device *pdev)
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{
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snd_soc_unregister_card(&skylake_rt286);
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return 0;
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}
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static struct platform_driver skylake_audio = {
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.probe = skylake_audio_probe,
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.remove = skylake_audio_remove,
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.driver = {
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.name = "skl_alc286s_i2s",
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},
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};
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module_platform_driver(skylake_audio)
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+
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/* Module information */
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MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
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MODULE_DESCRIPTION("Intel SST Audio for Skylake");
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MODULE_LICENSE("GPL v2");
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MODULE_ALIAS("platform:skl_alc286s_i2s");