/* * 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 #include #include #include #include #include #include #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 "); MODULE_DESCRIPTION("Intel SST Audio for Skylake"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:skl_alc286s_i2s");