/* * Intel Broxton-P I2S Machine Driver * * Copyright (C) 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/da7219.h" #include "../../codecs/da7219-aad.h" #define BXT_DIALOG_CODEC_DAI "da7219-hifi" #define BXT_MAXIM_CODEC_DAI "HiFi" #define DUAL_CHANNEL 2 static struct snd_soc_jack broxton_headset; enum { BXT_DPCM_AUDIO_PB = 0, BXT_DPCM_AUDIO_CP, BXT_DPCM_AUDIO_REF_CP, BXT_DPCM_AUDIO_HDMI1_PB, BXT_DPCM_AUDIO_HDMI2_PB, BXT_DPCM_AUDIO_HDMI3_PB, }; static const struct snd_kcontrol_new broxton_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone Jack"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Spk"), }; static const struct snd_soc_dapm_widget broxton_widgets[] = { SND_SOC_DAPM_HP("Headphone Jack", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_SPK("Spk", 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_map[] = { /* HP jack connectors - unknown if we have jack detection */ {"Headphone Jack", NULL, "HPL"}, {"Headphone Jack", NULL, "HPR"}, /* speaker */ {"Spk", NULL, "Speaker"}, /* other jacks */ {"MIC", NULL, "Headset Mic"}, /* digital mics */ {"DMic", NULL, "SoC DMIC"}, /* CODEC BE connections */ {"HiFi Playback", NULL, "ssp5 Tx"}, {"ssp5 Tx", NULL, "codec0_out"}, {"Playback", NULL, "ssp1 Tx"}, {"ssp1 Tx", NULL, "codec1_out"}, {"codec0_in", NULL, "ssp1 Rx"}, {"ssp1 Rx", NULL, "Capture"}, {"HDMI1", NULL, "hif5 Output"}, {"HDMI2", NULL, "hif6 Output"}, {"HDMI3", NULL, "hif7 Output"}, {"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"}, /* DMIC */ {"dmic01_hifi", NULL, "DMIC01 Rx"}, {"DMIC01 Rx", NULL, "DMIC AIF"}, }; static int broxton_ssp_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 convert the FE rate to 48k, stereo */ rate->min = rate->max = 48000; channels->min = channels->max = DUAL_CHANNEL; /* set SSP to 24 bit */ snd_mask_none(fmt); snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE); return 0; } static int broxton_da7219_codec_init(struct snd_soc_pcm_runtime *rtd) { int ret; struct snd_soc_codec *codec = rtd->codec; /* * Headset buttons map to the google Reference headset. * These can be configured by userspace. */ ret = snd_soc_card_jack_new(rtd->card, "Headset Jack", SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3, &broxton_headset, NULL, 0); if (ret) { dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret); return ret; } da7219_aad_jack_det(codec, &broxton_headset); snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC"); return ret; } 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_da7219_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 unsigned int rates[] = { 48000, }; static struct snd_pcm_hw_constraint_list constraints_rates = { .count = ARRAY_SIZE(rates), .list = rates, .mask = 0, }; static unsigned int channels[] = { DUAL_CHANNEL, }; 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 * 16 bit audio */ runtime->hw.channels_max = DUAL_CHANNEL; snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS, &constraints_channels); runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16); snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_rates); return 0; } static const struct snd_soc_ops broxton_da7219_fe_ops = { .startup = bxt_fe_startup, }; static int broxton_da7219_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, DA7219_CLKSRC_MCLK, 19200000, SND_SOC_CLOCK_IN); if (ret < 0) dev_err(codec_dai->dev, "can't set codec sysclk configuration\n"); ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL_SRM, 0, DA7219_PLL_FREQ_OUT_98304); if (ret < 0) { dev_err(codec_dai->dev, "failed to start PLL: %d\n", ret); return -EIO; } return ret; } static int broxton_da7219_hw_free(struct snd_pcm_substream *substream) { 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_pll(codec_dai, 0, DA7219_SYSCLK_MCLK, 0, 0); if (ret < 0) { dev_err(codec_dai->dev, "failed to stop PLL: %d\n", ret); return -EIO; } return ret; } static struct snd_soc_ops broxton_da7219_ops = { .hw_params = broxton_da7219_hw_params, .hw_free = broxton_da7219_hw_free, }; /* broxton digital audio interface glue - connects codec <--> CPU */ static struct snd_soc_dai_link broxton_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", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .nonatomic = 1, .init = broxton_da7219_fe_init, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_playback = 1, .ops = &broxton_da7219_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", .dynamic = 1, .codec_name = "snd-soc-dummy", .codec_dai_name = "snd-soc-dummy-dai", .nonatomic = 1, .trigger = { SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST}, .dpcm_capture = 1, .ops = &broxton_da7219_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, .ignore_suspend = 1, .nonatomic = 1, .dynamic = 1, }, [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 = "MX98357A:00", .codec_dai_name = BXT_MAXIM_CODEC_DAI, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ignore_pmdown_time = 1, .be_hw_params_fixup = broxton_ssp_fixup, .dpcm_playback = 1, }, { /* SSP1 - Codec */ .name = "SSP1-Codec", .id = 1, .cpu_dai_name = "SSP1 Pin", .platform_name = "0000:00:0e.0", .no_pcm = 1, .codec_name = "i2c-DLGS7219:00", .codec_dai_name = BXT_DIALOG_CODEC_DAI, .init = broxton_da7219_codec_init, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .ignore_pmdown_time = 1, .be_hw_params_fixup = broxton_ssp_fixup, .ops = &broxton_da7219_ops, .dpcm_playback = 1, .dpcm_capture = 1, }, { .name = "dmic01", .id = 2, .cpu_dai_name = "DMIC01 Pin", .codec_name = "dmic-codec", .codec_dai_name = "dmic-hifi", .platform_name = "0000:00:0e.0", .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 + da7219 */ static struct snd_soc_card broxton_audio_card = { .name = "bxtda7219max", .owner = THIS_MODULE, .dai_link = broxton_dais, .num_links = ARRAY_SIZE(broxton_dais), .controls = broxton_controls, .num_controls = ARRAY_SIZE(broxton_controls), .dapm_widgets = broxton_widgets, .num_dapm_widgets = ARRAY_SIZE(broxton_widgets), .dapm_routes = broxton_map, .num_dapm_routes = ARRAY_SIZE(broxton_map), .fully_routed = true, }; static int broxton_audio_probe(struct platform_device *pdev) { broxton_audio_card.dev = &pdev->dev; return devm_snd_soc_register_card(&pdev->dev, &broxton_audio_card); } static struct platform_driver broxton_audio = { .probe = broxton_audio_probe, .driver = { .name = "bxt_da7219_max98357a_i2s", .pm = &snd_soc_pm_ops, }, }; module_platform_driver(broxton_audio) /* Module information */ MODULE_DESCRIPTION("Audio Machine driver-DA7219 & MAX98357A in I2S mode"); MODULE_AUTHOR("Sathyanarayana Nujella "); MODULE_AUTHOR("Rohit Ainapure "); MODULE_AUTHOR("Harsha Priya "); MODULE_AUTHOR("Conrad Cooke "); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:bxt_da7219_max98357a_i2s");