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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | /* * 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 <linux/init.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/acpi.h> #include <linux/device.h> #include <linux/dmi.h> #include <linux/slab.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> #include <sound/jack.h> #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"); |