820 lines
23 KiB
C
820 lines
23 KiB
C
/*
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* byt_cr_dpcm_rt5640.c - ASoc Machine driver for Intel Byt CR platform
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*
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* Copyright (C) 2014 Intel Corp
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* Author: Subhransu S. Prusty <subhransu.s.prusty@intel.com>
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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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 <asm/cpu_device_id.h>
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#include <asm/platform_sst_audio.h>
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#include <linux/clk.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 "../atom/sst-atom-controls.h"
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#include "../common/sst-acpi.h"
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#include "../common/sst-dsp.h"
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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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BYT_RT5640_IN3_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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#define BYT_RT5640_MONO_SPEAKER BIT(17)
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#define BYT_RT5640_DIFF_MIC BIT(18) /* defaut is single-ended */
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#define BYT_RT5640_SSP2_AIF2 BIT(19) /* default is using AIF1 */
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#define BYT_RT5640_SSP0_AIF1 BIT(20)
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#define BYT_RT5640_SSP0_AIF2 BIT(21)
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#define BYT_RT5640_MCLK_EN BIT(22)
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#define BYT_RT5640_MCLK_25MHZ BIT(23)
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struct byt_rt5640_private {
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struct clk *mclk;
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};
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static unsigned long byt_rt5640_quirk = BYT_RT5640_MCLK_EN;
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static void log_quirks(struct device *dev)
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{
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if (BYT_RT5640_MAP(byt_rt5640_quirk) == BYT_RT5640_DMIC1_MAP)
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dev_info(dev, "quirk DMIC1_MAP enabled");
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if (BYT_RT5640_MAP(byt_rt5640_quirk) == BYT_RT5640_DMIC2_MAP)
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dev_info(dev, "quirk DMIC2_MAP enabled");
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if (BYT_RT5640_MAP(byt_rt5640_quirk) == BYT_RT5640_IN1_MAP)
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dev_info(dev, "quirk IN1_MAP enabled");
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if (BYT_RT5640_MAP(byt_rt5640_quirk) == BYT_RT5640_IN3_MAP)
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dev_info(dev, "quirk IN3_MAP enabled");
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if (byt_rt5640_quirk & BYT_RT5640_DMIC_EN)
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dev_info(dev, "quirk DMIC enabled");
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if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER)
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dev_info(dev, "quirk MONO_SPEAKER enabled");
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if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC)
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dev_info(dev, "quirk DIFF_MIC enabled");
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if (byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2)
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dev_info(dev, "quirk SSP2_AIF2 enabled");
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if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1)
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dev_info(dev, "quirk SSP0_AIF1 enabled");
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if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)
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dev_info(dev, "quirk SSP0_AIF2 enabled");
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if (byt_rt5640_quirk & BYT_RT5640_MCLK_EN)
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dev_info(dev, "quirk MCLK_EN enabled");
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if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
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dev_info(dev, "quirk MCLK_25MHZ enabled");
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}
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#define BYT_CODEC_DAI1 "rt5640-aif1"
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#define BYT_CODEC_DAI2 "rt5640-aif2"
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static inline struct snd_soc_dai *byt_get_codec_dai(struct snd_soc_card *card)
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{
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struct snd_soc_pcm_runtime *rtd;
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list_for_each_entry(rtd, &card->rtd_list, list) {
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if (!strncmp(rtd->codec_dai->name, BYT_CODEC_DAI1,
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strlen(BYT_CODEC_DAI1)))
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return rtd->codec_dai;
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if (!strncmp(rtd->codec_dai->name, BYT_CODEC_DAI2,
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strlen(BYT_CODEC_DAI2)))
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return rtd->codec_dai;
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}
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return NULL;
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}
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static int platform_clock_control(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *k, int event)
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{
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struct snd_soc_dapm_context *dapm = w->dapm;
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struct snd_soc_card *card = dapm->card;
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struct snd_soc_dai *codec_dai;
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struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
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int ret;
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codec_dai = byt_get_codec_dai(card);
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if (!codec_dai) {
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dev_err(card->dev,
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"Codec dai not found; Unable to set platform clock\n");
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return -EIO;
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}
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if (SND_SOC_DAPM_EVENT_ON(event)) {
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if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && priv->mclk) {
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ret = clk_prepare_enable(priv->mclk);
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if (ret < 0) {
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dev_err(card->dev,
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"could not configure MCLK state");
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return ret;
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}
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}
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_PLL1,
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48000 * 512,
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SND_SOC_CLOCK_IN);
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} else {
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/*
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* Set codec clock source to internal clock before
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* turning off the platform clock. Codec needs clock
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* for Jack detection and button press
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*/
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ret = snd_soc_dai_set_sysclk(codec_dai, RT5640_SCLK_S_RCCLK,
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48000 * 512,
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SND_SOC_CLOCK_IN);
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if (!ret) {
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if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && priv->mclk)
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clk_disable_unprepare(priv->mclk);
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}
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}
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if (ret < 0) {
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dev_err(card->dev, "can't set codec sysclk: %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 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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SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
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platform_clock_control, SND_SOC_DAPM_PRE_PMU |
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SND_SOC_DAPM_POST_PMD),
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};
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static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
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{"Headphone", NULL, "Platform Clock"},
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{"Headset Mic", NULL, "Platform Clock"},
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{"Internal Mic", NULL, "Platform Clock"},
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{"Speaker", NULL, "Platform Clock"},
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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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};
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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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static const struct snd_soc_dapm_route byt_rt5640_intmic_in3_map[] = {
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{"Internal Mic", NULL, "MICBIAS1"},
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{"IN3P", NULL, "Internal Mic"},
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};
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static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif1_map[] = {
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{"ssp2 Tx", NULL, "codec_out0"},
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{"ssp2 Tx", NULL, "codec_out1"},
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{"codec_in0", NULL, "ssp2 Rx"},
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{"codec_in1", NULL, "ssp2 Rx"},
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{"AIF1 Playback", NULL, "ssp2 Tx"},
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{"ssp2 Rx", NULL, "AIF1 Capture"},
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};
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static const struct snd_soc_dapm_route byt_rt5640_ssp2_aif2_map[] = {
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{"ssp2 Tx", NULL, "codec_out0"},
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{"ssp2 Tx", NULL, "codec_out1"},
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{"codec_in0", NULL, "ssp2 Rx"},
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{"codec_in1", NULL, "ssp2 Rx"},
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{"AIF2 Playback", NULL, "ssp2 Tx"},
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{"ssp2 Rx", NULL, "AIF2 Capture"},
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};
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static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif1_map[] = {
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{"ssp0 Tx", NULL, "modem_out"},
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{"modem_in", NULL, "ssp0 Rx"},
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{"AIF1 Playback", NULL, "ssp0 Tx"},
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{"ssp0 Rx", NULL, "AIF1 Capture"},
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};
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static const struct snd_soc_dapm_route byt_rt5640_ssp0_aif2_map[] = {
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{"ssp0 Tx", NULL, "modem_out"},
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{"modem_in", NULL, "ssp0 Rx"},
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{"AIF2 Playback", NULL, "ssp0 Tx"},
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{"ssp0 Rx", NULL, "AIF2 Capture"},
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};
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static const struct snd_soc_dapm_route byt_rt5640_stereo_spk_map[] = {
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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_mono_spk_map[] = {
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{"Speaker", NULL, "SPOLP"},
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{"Speaker", NULL, "SPOLN"},
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};
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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_aif1_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) * 512,
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SND_SOC_CLOCK_IN);
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if (ret < 0) {
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dev_err(rtd->dev, "can't set codec clock %d\n", ret);
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return ret;
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}
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if (!(byt_rt5640_quirk & BYT_RT5640_MCLK_EN)) {
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/* use bitclock as PLL input */
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if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
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(byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
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/* 2x16 bit slots on SSP0 */
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ret = snd_soc_dai_set_pll(codec_dai, 0,
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RT5640_PLL1_S_BCLK1,
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params_rate(params) * 32,
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params_rate(params) * 512);
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} else {
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/* 2x15 bit slots on SSP2 */
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ret = snd_soc_dai_set_pll(codec_dai, 0,
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RT5640_PLL1_S_BCLK1,
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params_rate(params) * 50,
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params_rate(params) * 512);
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}
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} else {
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if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ) {
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ret = snd_soc_dai_set_pll(codec_dai, 0,
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RT5640_PLL1_S_MCLK,
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25000000,
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params_rate(params) * 512);
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} else {
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ret = snd_soc_dai_set_pll(codec_dai, 0,
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RT5640_PLL1_S_MCLK,
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19200000,
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params_rate(params) * 512);
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}
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}
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if (ret < 0) {
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dev_err(rtd->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_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_EXACT_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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BYT_RT5640_MCLK_EN),
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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_EXACT_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T100TAF"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
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BYT_RT5640_MONO_SPEAKER |
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BYT_RT5640_DIFF_MIC |
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BYT_RT5640_SSP0_AIF2 |
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BYT_RT5640_MCLK_EN
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),
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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_EXACT_MATCH(DMI_SYS_VENDOR, "DellInc."),
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DMI_EXACT_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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BYT_RT5640_MCLK_EN),
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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_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
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DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "HP ElitePad 1000 G2"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
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BYT_RT5640_MCLK_EN),
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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, "Circuitco"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Minnowboard Max B3 PLATFORM"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_DMIC1_MAP |
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BYT_RT5640_DMIC_EN),
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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_BOARD_VENDOR, "TECLAST"),
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DMI_MATCH(DMI_BOARD_NAME, "tPAD"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_IN3_MAP |
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BYT_RT5640_MCLK_EN |
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BYT_RT5640_SSP0_AIF1),
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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, "Acer"),
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DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_IN1_MAP |
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BYT_RT5640_MCLK_EN |
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BYT_RT5640_SSP0_AIF1),
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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, "Insyde"),
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},
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.driver_data = (unsigned long *)(BYT_RT5640_IN3_MAP |
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BYT_RT5640_MCLK_EN |
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BYT_RT5640_SSP0_AIF1),
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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_card *card = runtime->card;
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const struct snd_soc_dapm_route *custom_map;
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struct byt_rt5640_private *priv = snd_soc_card_get_drvdata(card);
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int num_routes;
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card->dapm.idle_bias_off = true;
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rt5640_sel_asrc_clk_src(codec,
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RT5640_DA_STEREO_FILTER |
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RT5640_DA_MONO_L_FILTER |
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RT5640_DA_MONO_R_FILTER |
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RT5640_AD_STEREO_FILTER |
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RT5640_AD_MONO_L_FILTER |
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RT5640_AD_MONO_R_FILTER,
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RT5640_CLK_SEL_ASRC);
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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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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);
|
|
break;
|
|
case BYT_RT5640_IN3_MAP:
|
|
custom_map = byt_rt5640_intmic_in3_map;
|
|
num_routes = ARRAY_SIZE(byt_rt5640_intmic_in3_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_SSP2_AIF2) {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_ssp2_aif2_map,
|
|
ARRAY_SIZE(byt_rt5640_ssp2_aif2_map));
|
|
} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_ssp0_aif1_map,
|
|
ARRAY_SIZE(byt_rt5640_ssp0_aif1_map));
|
|
} else if (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2) {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_ssp0_aif2_map,
|
|
ARRAY_SIZE(byt_rt5640_ssp0_aif2_map));
|
|
} else {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_ssp2_aif1_map,
|
|
ARRAY_SIZE(byt_rt5640_ssp2_aif1_map));
|
|
}
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (byt_rt5640_quirk & BYT_RT5640_MONO_SPEAKER) {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_mono_spk_map,
|
|
ARRAY_SIZE(byt_rt5640_mono_spk_map));
|
|
} else {
|
|
ret = snd_soc_dapm_add_routes(&card->dapm,
|
|
byt_rt5640_stereo_spk_map,
|
|
ARRAY_SIZE(byt_rt5640_stereo_spk_map));
|
|
}
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (byt_rt5640_quirk & BYT_RT5640_DIFF_MIC) {
|
|
snd_soc_update_bits(codec, RT5640_IN1_IN2, RT5640_IN_DF1,
|
|
RT5640_IN_DF1);
|
|
}
|
|
|
|
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");
|
|
|
|
if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && priv->mclk) {
|
|
/*
|
|
* The firmware might enable the clock at
|
|
* boot (this information may or may not
|
|
* be reflected in the enable clock register).
|
|
* To change the rate we must disable the clock
|
|
* first to cover these cases. Due to common
|
|
* clock framework restrictions that do not allow
|
|
* to disable a clock that has not been enabled,
|
|
* we need to enable the clock first.
|
|
*/
|
|
ret = clk_prepare_enable(priv->mclk);
|
|
if (!ret)
|
|
clk_disable_unprepare(priv->mclk);
|
|
|
|
if (byt_rt5640_quirk & BYT_RT5640_MCLK_25MHZ)
|
|
ret = clk_set_rate(priv->mclk, 25000000);
|
|
else
|
|
ret = clk_set_rate(priv->mclk, 19200000);
|
|
|
|
if (ret)
|
|
dev_err(card->dev, "unable to set MCLK rate\n");
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct snd_soc_pcm_stream byt_rt5640_dai_params = {
|
|
.formats = SNDRV_PCM_FMTBIT_S24_LE,
|
|
.rate_min = 48000,
|
|
.rate_max = 48000,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
};
|
|
|
|
static int byt_rt5640_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;
|
|
|
|
/* The DSP will covert the FE rate to 48k, stereo */
|
|
rate->min = rate->max = 48000;
|
|
channels->min = channels->max = 2;
|
|
|
|
if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
|
|
(byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
|
|
|
|
/* set SSP0 to 16-bit */
|
|
params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
|
|
|
|
/*
|
|
* Default mode for SSP configuration is TDM 4 slot, override config
|
|
* with explicit setting to I2S 2ch 16-bit. The word length is set with
|
|
* dai_set_tdm_slot() since there is no other API exposed
|
|
*/
|
|
ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
|
|
SND_SOC_DAIFMT_I2S |
|
|
SND_SOC_DAIFMT_NB_IF |
|
|
SND_SOC_DAIFMT_CBS_CFS
|
|
);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
} else {
|
|
|
|
/* set SSP2 to 24-bit */
|
|
params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
|
|
|
|
/*
|
|
* Default mode for SSP configuration is TDM 4 slot, override config
|
|
* with explicit setting to I2S 2ch 24-bit. The word length is set with
|
|
* dai_set_tdm_slot() since there is no other API exposed
|
|
*/
|
|
ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
|
|
SND_SOC_DAIFMT_I2S |
|
|
SND_SOC_DAIFMT_NB_IF |
|
|
SND_SOC_DAIFMT_CBS_CFS
|
|
);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
|
|
if (ret < 0) {
|
|
dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int byt_rt5640_aif1_startup(struct snd_pcm_substream *substream)
|
|
{
|
|
return snd_pcm_hw_constraint_single(substream->runtime,
|
|
SNDRV_PCM_HW_PARAM_RATE, 48000);
|
|
}
|
|
|
|
static struct snd_soc_ops byt_rt5640_aif1_ops = {
|
|
.startup = byt_rt5640_aif1_startup,
|
|
};
|
|
|
|
static struct snd_soc_ops byt_rt5640_be_ssp2_ops = {
|
|
.hw_params = byt_rt5640_aif1_hw_params,
|
|
};
|
|
|
|
static struct snd_soc_dai_link byt_rt5640_dais[] = {
|
|
[MERR_DPCM_AUDIO] = {
|
|
.name = "Baytrail Audio Port",
|
|
.stream_name = "Baytrail 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 = &byt_rt5640_aif1_ops,
|
|
},
|
|
[MERR_DPCM_DEEP_BUFFER] = {
|
|
.name = "Deep-Buffer Audio Port",
|
|
.stream_name = "Deep-Buffer Audio",
|
|
.cpu_dai_name = "deepbuffer-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,
|
|
.ops = &byt_rt5640_aif1_ops,
|
|
},
|
|
[MERR_DPCM_COMPR] = {
|
|
.name = "Baytrail Compressed Port",
|
|
.stream_name = "Baytrail 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",
|
|
.id = 1,
|
|
.cpu_dai_name = "ssp2-port", /* overwritten for ssp0 routing */
|
|
.platform_name = "sst-mfld-platform",
|
|
.no_pcm = 1,
|
|
.codec_dai_name = "rt5640-aif1", /* changed w/ quirk */
|
|
.codec_name = "i2c-10EC5640:00", /* overwritten with HID */
|
|
.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
|
|
| SND_SOC_DAIFMT_CBS_CFS,
|
|
.be_hw_params_fixup = byt_rt5640_codec_fixup,
|
|
.ignore_suspend = 1,
|
|
.nonatomic = true,
|
|
.dpcm_playback = 1,
|
|
.dpcm_capture = 1,
|
|
.init = byt_rt5640_init,
|
|
.ops = &byt_rt5640_be_ssp2_ops,
|
|
},
|
|
};
|
|
|
|
/* SoC card */
|
|
static struct snd_soc_card byt_rt5640_card = {
|
|
.name = "bytcr-rt5640",
|
|
.owner = THIS_MODULE,
|
|
.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 char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
|
|
static char byt_rt5640_codec_aif_name[12]; /* = "rt5640-aif[1|2]" */
|
|
static char byt_rt5640_cpu_dai_name[10]; /* = "ssp[0|2]-port" */
|
|
|
|
static bool is_valleyview(void)
|
|
{
|
|
static const struct x86_cpu_id cpu_ids[] = {
|
|
{ X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
|
|
{}
|
|
};
|
|
|
|
if (!x86_match_cpu(cpu_ids))
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
|
|
static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
|
|
{
|
|
int ret_val = 0;
|
|
struct sst_acpi_mach *mach;
|
|
const char *i2c_name = NULL;
|
|
int i;
|
|
int dai_index;
|
|
struct byt_rt5640_private *priv;
|
|
|
|
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
|
|
if (!priv)
|
|
return -ENOMEM;
|
|
|
|
/* register the soc card */
|
|
byt_rt5640_card.dev = &pdev->dev;
|
|
mach = byt_rt5640_card.dev->platform_data;
|
|
snd_soc_card_set_drvdata(&byt_rt5640_card, priv);
|
|
|
|
/* fix index of codec dai */
|
|
dai_index = MERR_DPCM_COMPR + 1;
|
|
for (i = 0; i < ARRAY_SIZE(byt_rt5640_dais); i++) {
|
|
if (!strcmp(byt_rt5640_dais[i].codec_name, "i2c-10EC5640:00")) {
|
|
dai_index = i;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* fixup codec name based on HID */
|
|
i2c_name = sst_acpi_find_name_from_hid(mach->id);
|
|
if (i2c_name != NULL) {
|
|
snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
|
|
"%s%s", "i2c-", i2c_name);
|
|
|
|
byt_rt5640_dais[dai_index].codec_name = byt_rt5640_codec_name;
|
|
}
|
|
|
|
/*
|
|
* swap SSP0 if bytcr is detected
|
|
* (will be overridden if DMI quirk is detected)
|
|
*/
|
|
if (is_valleyview()) {
|
|
struct sst_platform_info *p_info = mach->pdata;
|
|
const struct sst_res_info *res_info = p_info->res_info;
|
|
|
|
/* TODO: use CHAN package info from BIOS to detect AIF1/AIF2 */
|
|
if (res_info->acpi_ipc_irq_index == 0) {
|
|
byt_rt5640_quirk |= BYT_RT5640_SSP0_AIF2;
|
|
}
|
|
|
|
/* change defaults for Baytrail-CR capture */
|
|
byt_rt5640_quirk |= BYT_RT5640_IN1_MAP;
|
|
byt_rt5640_quirk |= BYT_RT5640_DIFF_MIC;
|
|
} else {
|
|
byt_rt5640_quirk |= (BYT_RT5640_DMIC1_MAP |
|
|
BYT_RT5640_DMIC_EN);
|
|
}
|
|
|
|
/* check quirks before creating card */
|
|
dmi_check_system(byt_rt5640_quirk_table);
|
|
log_quirks(&pdev->dev);
|
|
|
|
if ((byt_rt5640_quirk & BYT_RT5640_SSP2_AIF2) ||
|
|
(byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
|
|
|
|
/* fixup codec aif name */
|
|
snprintf(byt_rt5640_codec_aif_name,
|
|
sizeof(byt_rt5640_codec_aif_name),
|
|
"%s", "rt5640-aif2");
|
|
|
|
byt_rt5640_dais[dai_index].codec_dai_name =
|
|
byt_rt5640_codec_aif_name;
|
|
}
|
|
|
|
if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
|
|
(byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
|
|
|
|
/* fixup cpu dai name name */
|
|
snprintf(byt_rt5640_cpu_dai_name,
|
|
sizeof(byt_rt5640_cpu_dai_name),
|
|
"%s", "ssp0-port");
|
|
|
|
byt_rt5640_dais[dai_index].cpu_dai_name =
|
|
byt_rt5640_cpu_dai_name;
|
|
}
|
|
|
|
if ((byt_rt5640_quirk & BYT_RT5640_MCLK_EN) && (is_valleyview())) {
|
|
priv->mclk = devm_clk_get(&pdev->dev, "pmc_plt_clk_3");
|
|
if (IS_ERR(priv->mclk)) {
|
|
dev_err(&pdev->dev,
|
|
"Failed to get MCLK from pmc_plt_clk_3: %ld\n",
|
|
PTR_ERR(priv->mclk));
|
|
return PTR_ERR(priv->mclk);
|
|
}
|
|
}
|
|
|
|
ret_val = devm_snd_soc_register_card(&pdev->dev, &byt_rt5640_card);
|
|
|
|
if (ret_val) {
|
|
dev_err(&pdev->dev, "devm_snd_soc_register_card failed %d\n",
|
|
ret_val);
|
|
return ret_val;
|
|
}
|
|
platform_set_drvdata(pdev, &byt_rt5640_card);
|
|
return ret_val;
|
|
}
|
|
|
|
static struct platform_driver snd_byt_rt5640_mc_driver = {
|
|
.driver = {
|
|
.name = "bytcr_rt5640",
|
|
},
|
|
.probe = snd_byt_rt5640_mc_probe,
|
|
};
|
|
|
|
module_platform_driver(snd_byt_rt5640_mc_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC Intel(R) Baytrail CR Machine driver");
|
|
MODULE_AUTHOR("Subhransu S. Prusty <subhransu.s.prusty@intel.com>");
|
|
MODULE_LICENSE("GPL v2");
|
|
MODULE_ALIAS("platform:bytcr_rt5640");
|