/* * Intel Baytrail SST RT5640 machine driver * Copyright (c) 2014, Intel Corporation. * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * This program is distributed in the hope 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 #include #include #include "../../codecs/rt5640.h" #include "../common/sst-dsp.h" static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = { SND_SOC_DAPM_HP("Headphone", NULL), SND_SOC_DAPM_MIC("Headset Mic", NULL), SND_SOC_DAPM_MIC("Internal Mic", NULL), SND_SOC_DAPM_SPK("Speaker", NULL), }; static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = { {"Headset Mic", NULL, "MICBIAS1"}, {"IN2P", NULL, "Headset Mic"}, {"Headphone", NULL, "HPOL"}, {"Headphone", NULL, "HPOR"}, {"Speaker", NULL, "SPOLP"}, {"Speaker", NULL, "SPOLN"}, {"Speaker", NULL, "SPORP"}, {"Speaker", NULL, "SPORN"}, }; static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = { {"DMIC1", NULL, "Internal Mic"}, }; static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic2_map[] = { {"DMIC2", NULL, "Internal Mic"}, }; static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = { {"Internal Mic", NULL, "MICBIAS1"}, {"IN1P", NULL, "Internal Mic"}, }; enum { BYT_RT5640_DMIC1_MAP, BYT_RT5640_DMIC2_MAP, BYT_RT5640_IN1_MAP, }; #define BYT_RT5640_MAP(quirk) ((quirk) & 0xff) #define BYT_RT5640_DMIC_EN BIT(16) static unsigned long byt_rt5640_quirk = BYT_RT5640_DMIC1_MAP | BYT_RT5640_DMIC_EN; static const struct snd_kcontrol_new byt_rt5640_controls[] = { SOC_DAPM_PIN_SWITCH("Headphone"), SOC_DAPM_PIN_SWITCH("Headset Mic"), SOC_DAPM_PIN_SWITCH("Internal Mic"), SOC_DAPM_PIN_SWITCH("Speaker"), }; static int byt_rt5640_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, RT5640_SCLK_S_PLL1, params_rate(params) * 256, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(codec_dai->dev, "can't set codec clock %d\n", ret); return ret; } ret = snd_soc_dai_set_pll(codec_dai, 0, RT5640_PLL1_S_BCLK1, params_rate(params) * 64, params_rate(params) * 256); if (ret < 0) { dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret); return ret; } return 0; } static int byt_rt5640_quirk_cb(const struct dmi_system_id *id) { byt_rt5640_quirk = (unsigned long)id->driver_data; return 1; } static const struct dmi_system_id byt_rt5640_quirk_table[] = { { .callback = byt_rt5640_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"), }, .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP, }, { .callback = byt_rt5640_quirk_cb, .matches = { DMI_MATCH(DMI_SYS_VENDOR, "DellInc."), DMI_MATCH(DMI_PRODUCT_NAME, "Venue 8 Pro 5830"), }, .driver_data = (unsigned long *)(BYT_RT5640_DMIC2_MAP | BYT_RT5640_DMIC_EN), }, {} }; static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime) { int ret; struct snd_soc_codec *codec = runtime->codec; struct snd_soc_card *card = runtime->card; const struct snd_soc_dapm_route *custom_map; int num_routes; card->dapm.idle_bias_off = true; ret = snd_soc_add_card_controls(card, byt_rt5640_controls, ARRAY_SIZE(byt_rt5640_controls)); if (ret) { dev_err(card->dev, "unable to add card controls\n"); return ret; } dmi_check_system(byt_rt5640_quirk_table); switch (BYT_RT5640_MAP(byt_rt5640_quirk)) { case BYT_RT5640_IN1_MAP: custom_map = byt_rt5640_intmic_in1_map; num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map); break; case BYT_RT5640_DMIC2_MAP: custom_map = byt_rt5640_intmic_dmic2_map; num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic2_map); break; default: custom_map = byt_rt5640_intmic_dmic1_map; num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map); } ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes); if (ret) return ret; if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN) { ret = rt5640_dmic_enable(codec, 0, 0); if (ret) return ret; } snd_soc_dapm_ignore_suspend(&card->dapm, "Headphone"); snd_soc_dapm_ignore_suspend(&card->dapm, "Speaker"); return ret; } static struct snd_soc_ops byt_rt5640_ops = { .hw_params = byt_rt5640_hw_params, }; static struct snd_soc_dai_link byt_rt5640_dais[] = { { .name = "Baytrail Audio", .stream_name = "Audio", .cpu_dai_name = "baytrail-pcm-audio", .codec_dai_name = "rt5640-aif1", .codec_name = "i2c-10EC5640:00", .platform_name = "baytrail-pcm-audio", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, .init = byt_rt5640_init, .ops = &byt_rt5640_ops, }, }; static struct snd_soc_card byt_rt5640_card = { .name = "byt-rt5640", .dai_link = byt_rt5640_dais, .num_links = ARRAY_SIZE(byt_rt5640_dais), .dapm_widgets = byt_rt5640_widgets, .num_dapm_widgets = ARRAY_SIZE(byt_rt5640_widgets), .dapm_routes = byt_rt5640_audio_map, .num_dapm_routes = ARRAY_SIZE(byt_rt5640_audio_map), .fully_routed = true, }; static int byt_rt5640_probe(struct platform_device *pdev) { struct snd_soc_card *card = &byt_rt5640_card; card->dev = &pdev->dev; return devm_snd_soc_register_card(&pdev->dev, card); } static struct platform_driver byt_rt5640_audio = { .probe = byt_rt5640_probe, .driver = { .name = "byt-rt5640", .pm = &snd_soc_pm_ops, }, }; module_platform_driver(byt_rt5640_audio) MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver"); MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:byt-rt5640");