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