/* * cht-bsw-max98090.c - ASoc Machine driver for Intel Cherryview-based * platforms Cherrytrail and Braswell, with max98090 & TI codec. * * Copyright (C) 2015 Intel Corp * Author: Fang, Yang A * This file is modified from cht_bsw_rt5645.c * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * 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 #include "../../codecs/max98090.h" #include "../atom/sst-atom-controls.h" #include "../../codecs/ts3a227e.h" #define CHT_PLAT_CLK_3_HZ 19200000 #define CHT_CODEC_DAI "HiFi" struct cht_mc_private { struct snd_soc_jack jack; bool ts3a227e_present; }; static inline struct snd_soc_dai *cht_get_codec_dai(struct snd_soc_card *card) { int i; for (i = 0; i < card->num_rtd; i++) { struct snd_soc_pcm_runtime *rtd; rtd = card->rtd + i; if (!strncmp(rtd->codec_dai->name, CHT_CODEC_DAI, strlen(CHT_CODEC_DAI))) return rtd->codec_dai; } return NULL; } static const struct snd_soc_dapm_widget cht_dapm_widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Int Mic", NULL), SND_SOC_DAPM_SPK("Ext Spk", NULL), }; static const struct snd_soc_dapm_route cht_audio_map[] = { {"IN34", NULL, "Headset Mic"}, {"Headset Mic", NULL, "MICBIAS"}, {"DMICL", NULL, "Int Mic"}, {"Headphone", NULL, "HPL"}, {"Headphone", NULL, "HPR"}, {"Ext Spk", NULL, "SPKL"}, {"Ext Spk", NULL, "SPKR"}, {"HiFi Playback", NULL, "ssp2 Tx"}, {"ssp2 Tx", NULL, "codec_out0"}, {"ssp2 Tx", NULL, "codec_out1"}, {"codec_in0", NULL, "ssp2 Rx" }, {"codec_in1", NULL, "ssp2 Rx" }, {"ssp2 Rx", NULL, "HiFi Capture"}, }; static const struct snd_kcontrol_new cht_mc_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Int Mic"), SOC_DAPM_PIN_SWITCH("Ext Spk"), }; static int cht_aif1_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, M98090_REG_SYSTEM_CLOCK, CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret); return ret; } return 0; } static int cht_ti_jack_event(struct notifier_block *nb, unsigned long event, void *data) { struct snd_soc_jack *jack = (struct snd_soc_jack *)data; struct snd_soc_dapm_context *dapm = &jack->card->dapm; if (event & SND_JACK_MICROPHONE) { snd_soc_dapm_force_enable_pin(dapm, "SHDN"); snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); snd_soc_dapm_sync(dapm); } else { snd_soc_dapm_disable_pin(dapm, "MICBIAS"); snd_soc_dapm_disable_pin(dapm, "SHDN"); snd_soc_dapm_sync(dapm); } return 0; } static struct notifier_block cht_jack_nb = { .notifier_call = cht_ti_jack_event, }; static int cht_codec_init(struct snd_soc_pcm_runtime *runtime) { int ret; int jack_type; struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card); struct snd_soc_jack *jack = &ctx->jack; /** * TI supports 4 butons headset detection * KEY_MEDIA * KEY_VOICECOMMAND * KEY_VOLUMEUP * KEY_VOLUMEDOWN */ if (ctx->ts3a227e_present) jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE | SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2 | SND_JACK_BTN_3; else jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE; ret = snd_soc_card_jack_new(runtime->card, "Headset Jack", jack_type, jack, NULL, 0); if (ret) { dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret); return ret; } if (ctx->ts3a227e_present) snd_soc_jack_notifier_register(jack, &cht_jack_nb); return ret; } static int cht_codec_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); int ret = 0; unsigned int fmt = 0; ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16); if (ret < 0) { dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret); return ret; } fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt); if (ret < 0) { dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret); return ret; } /* The DSP will covert the FE rate to 48k, stereo, 24bits */ rate->min = rate->max = 48000; channels->min = channels->max = 2; /* set SSP2 to 24-bit */ params_set_format(params, SNDRV_PCM_FORMAT_S24_LE); return 0; } static unsigned int rates_48000[] = { 48000, }; static struct snd_pcm_hw_constraint_list constraints_48000 = { .count = ARRAY_SIZE(rates_48000), .list = rates_48000, }; static int cht_aif1_startup(struct snd_pcm_substream *substream) { return snd_pcm_hw_constraint_list(substream->runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &constraints_48000); } static int cht_max98090_headset_init(struct snd_soc_component *component) { struct snd_soc_card *card = component->card; struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card); return ts3a227e_enable_jack_detect(component, &ctx->jack); } static struct snd_soc_ops cht_aif1_ops = { .startup = cht_aif1_startup, }; static struct snd_soc_ops cht_be_ssp2_ops = { .hw_params = cht_aif1_hw_params, }; static struct snd_soc_aux_dev cht_max98090_headset_dev = { .name = "Headset Chip", .init = cht_max98090_headset_init, .codec_name = "i2c-104C227E:00", }; static struct snd_soc_dai_link cht_dailink[] = { [MERR_DPCM_AUDIO] = { .name = "Audio Port", .stream_name = "Audio", .cpu_dai_name = "media-cpu-dai", .codec_dai_name = "snd-soc-dummy-dai", .codec_name = "snd-soc-dummy", .platform_name = "sst-mfld-platform", .nonatomic = true, .dynamic = 1, .dpcm_playback = 1, .dpcm_capture = 1, .ops = &cht_aif1_ops, }, [MERR_DPCM_COMPR] = { .name = "Compressed Port", .stream_name = "Compress", .cpu_dai_name = "compress-cpu-dai", .codec_dai_name = "snd-soc-dummy-dai", .codec_name = "snd-soc-dummy", .platform_name = "sst-mfld-platform", }, /* back ends */ { .name = "SSP2-Codec", .be_id = 1, .cpu_dai_name = "ssp2-port", .platform_name = "sst-mfld-platform", .no_pcm = 1, .codec_dai_name = "HiFi", .codec_name = "i2c-193C9890:00", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .init = cht_codec_init, .be_hw_params_fixup = cht_codec_fixup, .dpcm_playback = 1, .dpcm_capture = 1, .ops = &cht_be_ssp2_ops, }, }; /* SoC card */ static struct snd_soc_card snd_soc_card_cht = { .name = "chtmax98090", .dai_link = cht_dailink, .num_links = ARRAY_SIZE(cht_dailink), .aux_dev = &cht_max98090_headset_dev, .num_aux_devs = 1, .dapm_widgets = cht_dapm_widgets, .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets), .dapm_routes = cht_audio_map, .num_dapm_routes = ARRAY_SIZE(cht_audio_map), .controls = cht_mc_controls, .num_controls = ARRAY_SIZE(cht_mc_controls), }; static acpi_status snd_acpi_codec_match(acpi_handle handle, u32 level, void *context, void **ret) { *(bool *)context = true; return AE_OK; } static int snd_cht_mc_probe(struct platform_device *pdev) { int ret_val = 0; bool found = false; struct cht_mc_private *drv; drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC); if (!drv) return -ENOMEM; if (ACPI_SUCCESS(acpi_get_devices( "104C227E", snd_acpi_codec_match, &found, NULL)) && found) { drv->ts3a227e_present = true; } else { /* no need probe TI jack detection chip */ snd_soc_card_cht.aux_dev = NULL; snd_soc_card_cht.num_aux_devs = 0; drv->ts3a227e_present = false; } /* register the soc card */ snd_soc_card_cht.dev = &pdev->dev; snd_soc_card_set_drvdata(&snd_soc_card_cht, drv); ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht); if (ret_val) { dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret_val); return ret_val; } platform_set_drvdata(pdev, &snd_soc_card_cht); return ret_val; } static struct platform_driver snd_cht_mc_driver = { .driver = { .name = "cht-bsw-max98090", }, .probe = snd_cht_mc_probe, }; module_platform_driver(snd_cht_mc_driver) MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver"); MODULE_AUTHOR("Fang, Yang A "); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:cht-bsw-max98090");