/* * Intel Broxton-P I2S Machine Driver * * Copyright (C) 2014-2016, Intel Corporation. All rights reserved. * * Modified from: * Intel Skylake I2S Machine driver * * 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/hdac_hdmi.h" #include "../../codecs/rt298.h" static struct snd_soc_jack broxton_headset; /* Headset jack detection DAPM pins */ enum { BXT_DPCM_AUDIO_PB = 0, BXT_DPCM_AUDIO_CP, BXT_DPCM_AUDIO_REF_CP, BXT_DPCM_AUDIO_DMIC_CP, BXT_DPCM_AUDIO_HDMI1_PB, BXT_DPCM_AUDIO_HDMI2_PB, BXT_DPCM_AUDIO_HDMI3_PB, }; static struct snd_soc_jack_pin broxton_headset_pins[] = { { .pin = "Mic Jack", .mask = SND_JACK_MICROPHONE, }, { .pin = "Headphone Jack", .mask = SND_JACK_HEADPHONE, }, }; static const struct snd_kcontrol_new broxton_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 broxton_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), SND_SOC_DAPM_SPK("HDMI1", NULL), SND_SOC_DAPM_SPK("HDMI2", NULL), SND_SOC_DAPM_SPK("HDMI3", NULL), }; static const struct snd_soc_dapm_route broxton_rt298_map[] = { /* speaker */ {"Speaker", NULL, "SPOR"}, {"Speaker", NULL, "SPOL"}, /* HP jack connectors - unknown if we have jack detect */ {"Headphone Jack", NULL, "HPO Pin"}, /* other jacks */ {"MIC1", NULL, "Mic Jack"}, /* digital mics */ {"DMIC1 Pin", NULL, "DMIC2"}, {"DMic", NULL, "SoC DMIC"}, {"HDMI1", NULL, "hif5 Output"}, {"HDMI2", NULL, "hif6 Output"}, {"HDMI3", NULL, "hif7 Output"}, /* CODEC BE connections */ { "AIF1 Playback", NULL, "ssp5 Tx"}, { "ssp5 Tx", NULL, "codec0_out"}, { "ssp5 Tx", NULL, "codec1_out"}, { "codec0_in", NULL, "ssp5 Rx" }, { "ssp5 Rx", NULL, "AIF1 Capture" }, { "dmic01_hifi", NULL, "DMIC01 Rx" }, { "DMIC01 Rx", NULL, "Capture" }, { "hifi3", NULL, "iDisp3 Tx"}, { "iDisp3 Tx", NULL, "iDisp3_out"}, { "hifi2", NULL, "iDisp2 Tx"}, { "iDisp2 Tx", NULL, "iDisp2_out"}, { "hifi1", NULL, "iDisp1 Tx"}, { "iDisp1 Tx", NULL, "iDisp1_out"}, }; static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dapm_context *dapm; struct snd_soc_component *component = rtd->cpu_dai->component; dapm = snd_soc_component_get_dapm(component); snd_soc_dapm_ignore_suspend(dapm, "Reference Capture"); return 0; } static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; int ret = 0; ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_HEADSET | SND_JACK_BTN_0, &broxton_headset, broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins)); if (ret) return ret; rt298_mic_detect(codec, &broxton_headset); snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); return 0; } static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_dai *dai = rtd->codec_dai; return hdac_hdmi_jack_init(dai, BXT_DPCM_AUDIO_HDMI1_PB + dai->id); } static int broxton_ssp5_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); struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); /* The ADSP will covert the FE rate to 48k, stereo */ rate->min = rate->max = 48000; channels->min = channels->max = 2; /* set SSP5 to 24 bit */ snd_mask_none(fmt); snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); return 0; } static int broxton_rt298_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, RT298_SCLK_S_PLL, 19200000, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(rtd->dev, "can't set codec sysclk configuration\n"); return ret; } return ret; } static struct snd_soc_ops broxton_rt298_ops = { .hw_params = broxton_rt298_hw_params, }; static unsigned int rates[] = { 48000, }; static struct snd_pcm_hw_constraint_list constraints_rates = { .count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd, struct snd_pcm_hw_params *params) { struct snd_interval *channels = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS); if (params_channels(params) == 2) channels->min = channels->max = 2; else channels->min = channels->max = 4; return 0; } static unsigned int channels_dmic[] = { 2, 4, }; static struct snd_pcm_hw_constraint_list constraints_dmic_channels = { .count = ARRAY_SIZE(channels_dmic), .list = channels_dmic, .mask = 0, }; static int broxton_dmic_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; runtime->hw.channels_max = 4; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &constraints_dmic_channels); return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); } static struct snd_soc_ops broxton_dmic_ops = { .startup = broxton_dmic_startup, }; static unsigned int channels[] = { 2, }; static struct snd_pcm_hw_constraint_list constraints_channels = { .count = ARRAY_SIZE(channels), .list = channels, .mask = 0, }; static int bxt_fe_startup(struct snd_pcm_substream *substream) { struct snd_pcm_runtime *runtime = substream->runtime; /* * on this platform for PCM device we support: * 48Khz * stereo */ runtime->hw.channels_max = 2; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &constraints_channels); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); return 0; } static const struct snd_soc_ops broxton_rt286_fe_ops = { .startup = bxt_fe_startup, }; /* broxton digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link broxton_rt298_dais[] = { /* Front End DAI links */ [BXT_DPCM_AUDIO_PB] = { .name = "Bxt Audio Port", .stream_name = "Audio", .cpu_dai_name = "System Pin", .platform_name = "0000:00:0e.0", .nonatomic = 1, .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .init = broxton_rt298_fe_init, .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, .ops = &broxton_rt286_fe_ops, }, [BXT_DPCM_AUDIO_CP] = { .name = "Bxt Audio Capture Port", .stream_name = "Audio Record", .cpu_dai_name = "System Pin", .platform_name = "0000:00:0e.0", .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, .ops = &broxton_rt286_fe_ops, }, [BXT_DPCM_AUDIO_REF_CP] = { .name = "Bxt 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 = "0000:00:0e.0", .init = NULL, .dpcm_capture = 1, .nonatomic = 1, .dynamic = 1, }, [BXT_DPCM_AUDIO_DMIC_CP] = { .name = "Bxt Audio DMIC cap", .stream_name = "dmiccap", .cpu_dai_name = "DMIC Pin", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .platform_name = "0000:00:0e.0", .init = NULL, .dpcm_capture = 1, .nonatomic = 1, .dynamic = 1, .ops = &broxton_dmic_ops, }, [BXT_DPCM_AUDIO_HDMI1_PB] = { .name = "Bxt HDMI Port1", .stream_name = "Hdmi1", .cpu_dai_name = "HDMI1 Pin", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .platform_name = "0000:00:0e.0", .dpcm_playback = 1, .init = NULL, .nonatomic = 1, .dynamic = 1, }, [BXT_DPCM_AUDIO_HDMI2_PB] = { .name = "Bxt HDMI Port2", .stream_name = "Hdmi2", .cpu_dai_name = "HDMI2 Pin", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .platform_name = "0000:00:0e.0", .dpcm_playback = 1, .init = NULL, .nonatomic = 1, .dynamic = 1, }, [BXT_DPCM_AUDIO_HDMI3_PB] = { .name = "Bxt HDMI Port3", .stream_name = "Hdmi3", .cpu_dai_name = "HDMI3 Pin", .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .platform_name = "0000:00:0e.0", .dpcm_playback = 1, .init = NULL, .nonatomic = 1, .dynamic = 1, }, /* Back End DAI links */ { /* SSP5 - Codec */ .name = "SSP5-Codec", .id = 0, .cpu_dai_name = "SSP5 Pin", .platform_name = "0000:00:0e.0", .no_pcm = 1, .codec_name = "i2c-INT343A:00", .codec_dai_name = "rt298-aif1", .init = broxton_rt298_codec_init, .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ignore_pmdown_time = 1, .be_hw_params_fixup = broxton_ssp5_fixup, .ops = &broxton_rt298_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "dmic01", .id = 1, .cpu_dai_name = "DMIC01 Pin", .codec_name = "dmic-codec", .codec_dai_name = "dmic-hifi", .platform_name = "0000:00:0e.0", .be_hw_params_fixup = broxton_dmic_fixup, .ignore_suspend = 1, .dpcm_capture = 1, .no_pcm = 1, }, { .name = "iDisp1", .id = 3, .cpu_dai_name = "iDisp1 Pin", .codec_name = "ehdaudio0D2", .codec_dai_name = "intel-hdmi-hifi1", .platform_name = "0000:00:0e.0", .init = broxton_hdmi_init, .dpcm_playback = 1, .no_pcm = 1, }, { .name = "iDisp2", .id = 4, .cpu_dai_name = "iDisp2 Pin", .codec_name = "ehdaudio0D2", .codec_dai_name = "intel-hdmi-hifi2", .platform_name = "0000:00:0e.0", .init = broxton_hdmi_init, .dpcm_playback = 1, .no_pcm = 1, }, { .name = "iDisp3", .id = 5, .cpu_dai_name = "iDisp3 Pin", .codec_name = "ehdaudio0D2", .codec_dai_name = "intel-hdmi-hifi3", .platform_name = "0000:00:0e.0", .init = broxton_hdmi_init, .dpcm_playback = 1, .no_pcm = 1, }, }; /* broxton audio machine driver for SPT + RT298S */ static struct snd_soc_card broxton_rt298 = { .name = "broxton-rt298", .owner = THIS_MODULE, .dai_link = broxton_rt298_dais, .num_links = ARRAY_SIZE(broxton_rt298_dais), .controls = broxton_controls, .num_controls = ARRAY_SIZE(broxton_controls), .dapm_widgets = broxton_widgets, .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), .dapm_routes = broxton_rt298_map, .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map), .fully_routed = true, }; static int broxton_audio_probe(struct platform_device *pdev) { broxton_rt298.dev = &pdev->dev; return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298); } static struct platform_driver broxton_audio = { .probe = broxton_audio_probe, .driver = { .name = "bxt_alc298s_i2s", .pm = &snd_soc_pm_ops, }, }; module_platform_driver(broxton_audio) /* Module information */ MODULE_AUTHOR("Ramesh Babu "); MODULE_AUTHOR("Senthilnathan Veppur "); MODULE_DESCRIPTION("Intel SST Audio for Broxton"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:bxt_alc298s_i2s");