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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | /* * Intel Baytrail SST MAX98090 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 <linux/init.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/device.h> #include <linux/gpio.h> #include <linux/gpio/consumer.h> #include <linux/slab.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/jack.h> #include "../../codecs/max98090.h" struct byt_max98090_private { struct snd_soc_jack jack; }; static const struct snd_soc_dapm_widget byt_max98090_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 byt_max98090_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"}, }; static const struct snd_kcontrol_new byt_max98090_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 struct snd_soc_jack_pin hs_jack_pins[] = { { .pin = "Headphone", .mask = SND_JACK_HEADPHONE, }, { .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE, }, }; static struct snd_soc_jack_gpio hs_jack_gpios[] = { { .name = "hp-gpio", .idx = 0, .report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, .debounce_time = 200, }, { .name = "mic-gpio", .idx = 1, .invert = 1, .report = SND_JACK_MICROPHONE, .debounce_time = 200, }, }; static int byt_max98090_init(struct snd_soc_pcm_runtime *runtime) { int ret; struct snd_soc_card *card = runtime->card; struct byt_max98090_private *drv = snd_soc_card_get_drvdata(card); struct snd_soc_jack *jack = &drv->jack; card->dapm.idle_bias_off = true; ret = snd_soc_dai_set_sysclk(runtime->codec_dai, M98090_REG_SYSTEM_CLOCK, 25000000, SND_SOC_CLOCK_IN); if (ret < 0) { dev_err(card->dev, "Can't set codec clock %d\n", ret); return ret; } /* Enable jack detection */ ret = snd_soc_card_jack_new(runtime->card, "Headset", SND_JACK_LINEOUT | SND_JACK_HEADSET, jack, hs_jack_pins, ARRAY_SIZE(hs_jack_pins)); if (ret) return ret; return snd_soc_jack_add_gpiods(card->dev->parent, jack, ARRAY_SIZE(hs_jack_gpios), hs_jack_gpios); } static struct snd_soc_dai_link byt_max98090_dais[] = { { .name = "Baytrail Audio", .stream_name = "Audio", .cpu_dai_name = "baytrail-pcm-audio", .codec_dai_name = "HiFi", .codec_name = "i2c-193C9890:00", .platform_name = "baytrail-pcm-audio", .init = byt_max98090_init, .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS, }, }; static struct snd_soc_card byt_max98090_card = { .name = "byt-max98090", .owner = THIS_MODULE, .dai_link = byt_max98090_dais, .num_links = ARRAY_SIZE(byt_max98090_dais), .dapm_widgets = byt_max98090_widgets, .num_dapm_widgets = ARRAY_SIZE(byt_max98090_widgets), .dapm_routes = byt_max98090_audio_map, .num_dapm_routes = ARRAY_SIZE(byt_max98090_audio_map), .controls = byt_max98090_controls, .num_controls = ARRAY_SIZE(byt_max98090_controls), .fully_routed = true, }; static int byt_max98090_probe(struct platform_device *pdev) { int ret_val = 0; struct byt_max98090_private *priv; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC); if (!priv) { dev_err(&pdev->dev, "allocation failed\n"); return -ENOMEM; } byt_max98090_card.dev = &pdev->dev; snd_soc_card_set_drvdata(&byt_max98090_card, priv); ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_max98090_card); if (ret_val) { dev_err(&pdev->dev, "snd_soc_register_card failed %d\n", ret_val); return ret_val; } return ret_val; } static int byt_max98090_remove(struct platform_device *pdev) { struct snd_soc_card *card = platform_get_drvdata(pdev); struct byt_max98090_private *priv = snd_soc_card_get_drvdata(card); snd_soc_jack_free_gpios(&priv->jack, ARRAY_SIZE(hs_jack_gpios), hs_jack_gpios); return 0; } static struct platform_driver byt_max98090_driver = { .probe = byt_max98090_probe, .remove = byt_max98090_remove, .driver = { .name = "byt-max98090", .pm = &snd_soc_pm_ops, }, }; module_platform_driver(byt_max98090_driver) MODULE_DESCRIPTION("ASoC Intel(R) Baytrail Machine driver"); MODULE_AUTHOR("Omair Md Abdullah, Jarkko Nikula"); MODULE_LICENSE("GPL v2"); MODULE_ALIAS("platform:byt-max98090"); |