646 lines
18 KiB
C
646 lines
18 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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//
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// MediaTek ALSA SoC Audio DAI TDM Control
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//
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// Copyright (c) 2022 MediaTek Inc.
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// Author: Jiaxin Yu <jiaxin.yu@mediatek.com>
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#include <linux/regmap.h>
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#include <sound/pcm_params.h>
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#include "mt8186-afe-clk.h"
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#include "mt8186-afe-common.h"
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#include "mt8186-afe-gpio.h"
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#include "mt8186-interconnection.h"
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#define TDM_HD_EN_W_NAME "TDM_HD_EN"
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#define TDM_MCLK_EN_W_NAME "TDM_MCLK_EN"
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#define MTK_AFE_TDM_KCONTROL_NAME "TDM_HD_Mux"
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struct mtk_afe_tdm_priv {
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unsigned int id;
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unsigned int rate; /* for determine which apll to use */
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unsigned int bck_invert;
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unsigned int lck_invert;
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unsigned int lrck_width;
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unsigned int mclk_id;
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unsigned int mclk_multiple; /* according to sample rate */
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unsigned int mclk_rate;
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unsigned int mclk_apll;
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unsigned int tdm_mode;
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unsigned int data_mode;
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unsigned int slave_mode;
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unsigned int low_jitter_en;
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};
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enum {
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TDM_IN_I2S = 0,
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TDM_IN_LJ = 1,
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TDM_IN_RJ = 2,
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TDM_IN_DSP_A = 4,
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TDM_IN_DSP_B = 5,
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};
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enum {
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TDM_DATA_ONE_PIN = 0,
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TDM_DATA_MULTI_PIN,
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};
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enum {
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TDM_BCK_NON_INV = 0,
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TDM_BCK_INV = 1,
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};
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enum {
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TDM_LCK_NON_INV = 0,
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TDM_LCK_INV = 1,
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};
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static unsigned int get_tdm_lrck_width(snd_pcm_format_t format,
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unsigned int mode)
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{
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if (mode == TDM_IN_DSP_A || mode == TDM_IN_DSP_B)
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return 0;
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return snd_pcm_format_physical_width(format) - 1;
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}
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static unsigned int get_tdm_ch_fixup(unsigned int channels)
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{
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if (channels > 4)
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return 8;
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else if (channels > 2)
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return 4;
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return 2;
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}
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static unsigned int get_tdm_ch_per_sdata(unsigned int mode,
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unsigned int channels)
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{
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if (mode == TDM_IN_DSP_A || mode == TDM_IN_DSP_B)
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return get_tdm_ch_fixup(channels);
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return 2;
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}
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enum {
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SUPPLY_SEQ_APLL,
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SUPPLY_SEQ_TDM_MCK_EN,
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SUPPLY_SEQ_TDM_HD_EN,
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SUPPLY_SEQ_TDM_EN,
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};
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static int get_tdm_id_by_name(const char *name)
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{
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return MT8186_DAI_TDM_IN;
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}
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static int mtk_tdm_en_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol,
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int event)
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{
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x\n",
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__func__, w->name, event);
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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mt8186_afe_gpio_request(afe->dev, true, tdm_priv->id, 0);
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break;
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case SND_SOC_DAPM_POST_PMD:
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mt8186_afe_gpio_request(afe->dev, false, tdm_priv->id, 0);
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break;
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default:
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break;
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}
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return 0;
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}
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static int mtk_tdm_mck_en_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol,
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int event)
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{
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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dev_dbg(cmpnt->dev, "%s(), name %s, event 0x%x, dai_id %d\n",
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__func__, w->name, event, dai_id);
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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mt8186_mck_enable(afe, tdm_priv->mclk_id, tdm_priv->mclk_rate);
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break;
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case SND_SOC_DAPM_POST_PMD:
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tdm_priv->mclk_rate = 0;
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mt8186_mck_disable(afe, tdm_priv->mclk_id);
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break;
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default:
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break;
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}
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return 0;
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}
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/* dai component */
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/* tdm virtual mux to output widget */
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static const char * const tdm_mux_map[] = {
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"Normal", "Dummy_Widget",
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};
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static int tdm_mux_map_value[] = {
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0, 1,
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};
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static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(tdm_mux_map_enum,
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SND_SOC_NOPM,
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0,
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1,
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tdm_mux_map,
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tdm_mux_map_value);
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static const struct snd_kcontrol_new tdm_in_mux_control =
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SOC_DAPM_ENUM("TDM In Select", tdm_mux_map_enum);
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static const struct snd_soc_dapm_widget mtk_dai_tdm_widgets[] = {
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SND_SOC_DAPM_CLOCK_SUPPLY("aud_tdm_clk"),
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SND_SOC_DAPM_SUPPLY_S("TDM_EN", SUPPLY_SEQ_TDM_EN,
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ETDM_IN1_CON0, ETDM_IN1_CON0_REG_ETDM_IN_EN_SFT,
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0, mtk_tdm_en_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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/* tdm hd en */
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SND_SOC_DAPM_SUPPLY_S(TDM_HD_EN_W_NAME, SUPPLY_SEQ_TDM_HD_EN,
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ETDM_IN1_CON2, ETDM_IN1_CON2_REG_CLOCK_SOURCE_SEL_SFT,
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0, NULL,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_SUPPLY_S(TDM_MCLK_EN_W_NAME, SUPPLY_SEQ_TDM_MCK_EN,
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SND_SOC_NOPM, 0, 0,
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mtk_tdm_mck_en_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_INPUT("TDM_DUMMY_IN"),
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SND_SOC_DAPM_MUX("TDM_In_Mux",
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SND_SOC_NOPM, 0, 0, &tdm_in_mux_control),
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};
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static int mtk_afe_tdm_mclk_connect(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_dapm_widget *w = sink;
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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return (tdm_priv->mclk_rate > 0) ? 1 : 0;
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}
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static int mtk_afe_tdm_mclk_apll_connect(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_dapm_widget *w = sink;
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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int cur_apll;
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/* which apll */
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cur_apll = mt8186_get_apll_by_name(afe, source->name);
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return (tdm_priv->mclk_apll == cur_apll) ? 1 : 0;
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}
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static int mtk_afe_tdm_hd_connect(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_dapm_widget *w = sink;
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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return tdm_priv->low_jitter_en;
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}
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static int mtk_afe_tdm_apll_connect(struct snd_soc_dapm_widget *source,
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struct snd_soc_dapm_widget *sink)
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{
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struct snd_soc_dapm_widget *w = sink;
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struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(w->name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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int cur_apll;
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int tdm_need_apll;
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/* which apll */
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cur_apll = mt8186_get_apll_by_name(afe, source->name);
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/* choose APLL from tdm rate */
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tdm_need_apll = mt8186_get_apll_by_rate(afe, tdm_priv->rate);
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return (tdm_need_apll == cur_apll) ? 1 : 0;
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}
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/* low jitter control */
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static const char * const mt8186_tdm_hd_str[] = {
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"Normal", "Low_Jitter"
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};
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static const struct soc_enum mt8186_tdm_enum[] = {
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt8186_tdm_hd_str),
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mt8186_tdm_hd_str),
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};
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static int mt8186_tdm_hd_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(kcontrol->id.name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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ucontrol->value.integer.value[0] = tdm_priv->low_jitter_en;
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return 0;
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}
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static int mt8186_tdm_hd_set(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *cmpnt = snd_soc_kcontrol_component(kcontrol);
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struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
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struct mt8186_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_tdm_id_by_name(kcontrol->id.name);
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struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai_id];
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struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
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int hd_en;
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if (ucontrol->value.enumerated.item[0] >= e->items)
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return -EINVAL;
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hd_en = ucontrol->value.integer.value[0];
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dev_dbg(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
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__func__, kcontrol->id.name, hd_en);
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if (tdm_priv->low_jitter_en == hd_en)
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return 0;
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tdm_priv->low_jitter_en = hd_en;
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return 1;
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}
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static const struct snd_kcontrol_new mtk_dai_tdm_controls[] = {
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SOC_ENUM_EXT(MTK_AFE_TDM_KCONTROL_NAME, mt8186_tdm_enum[0],
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mt8186_tdm_hd_get, mt8186_tdm_hd_set),
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};
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static const struct snd_soc_dapm_route mtk_dai_tdm_routes[] = {
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{"TDM IN", NULL, "aud_tdm_clk"},
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{"TDM IN", NULL, "TDM_EN"},
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{"TDM IN", NULL, TDM_HD_EN_W_NAME, mtk_afe_tdm_hd_connect},
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{TDM_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_tdm_apll_connect},
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{TDM_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_tdm_apll_connect},
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{"TDM IN", NULL, TDM_MCLK_EN_W_NAME, mtk_afe_tdm_mclk_connect},
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{TDM_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_tdm_mclk_apll_connect},
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{TDM_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_tdm_mclk_apll_connect},
|
||
|
|
|
||
|
|
/* allow tdm on without codec on */
|
||
|
|
{"TDM IN", NULL, "TDM_In_Mux"},
|
||
|
|
{"TDM_In_Mux", "Dummy_Widget", "TDM_DUMMY_IN"},
|
||
|
|
};
|
||
|
|
|
||
|
|
/* dai ops */
|
||
|
|
static int mtk_dai_tdm_cal_mclk(struct mtk_base_afe *afe,
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv,
|
||
|
|
int freq)
|
||
|
|
{
|
||
|
|
int apll;
|
||
|
|
int apll_rate;
|
||
|
|
|
||
|
|
apll = mt8186_get_apll_by_rate(afe, freq);
|
||
|
|
apll_rate = mt8186_get_apll_rate(afe, apll);
|
||
|
|
|
||
|
|
if (!freq || freq > apll_rate) {
|
||
|
|
dev_err(afe->dev,
|
||
|
|
"%s(), freq(%d Hz) invalid\n", __func__, freq);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (apll_rate % freq != 0) {
|
||
|
|
dev_err(afe->dev,
|
||
|
|
"%s(), APLL cannot generate %d Hz", __func__, freq);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
tdm_priv->mclk_rate = freq;
|
||
|
|
tdm_priv->mclk_apll = apll;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mtk_dai_tdm_hw_params(struct snd_pcm_substream *substream,
|
||
|
|
struct snd_pcm_hw_params *params,
|
||
|
|
struct snd_soc_dai *dai)
|
||
|
|
{
|
||
|
|
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
|
||
|
|
struct mt8186_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
int tdm_id = dai->id;
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[tdm_id];
|
||
|
|
unsigned int tdm_mode = tdm_priv->tdm_mode;
|
||
|
|
unsigned int data_mode = tdm_priv->data_mode;
|
||
|
|
unsigned int rate = params_rate(params);
|
||
|
|
unsigned int channels = params_channels(params);
|
||
|
|
snd_pcm_format_t format = params_format(params);
|
||
|
|
unsigned int bit_width =
|
||
|
|
snd_pcm_format_physical_width(format);
|
||
|
|
unsigned int tdm_channels = (data_mode == TDM_DATA_ONE_PIN) ?
|
||
|
|
get_tdm_ch_per_sdata(tdm_mode, channels) : 2;
|
||
|
|
unsigned int lrck_width =
|
||
|
|
get_tdm_lrck_width(format, tdm_mode);
|
||
|
|
unsigned int tdm_con = 0;
|
||
|
|
bool slave_mode = tdm_priv->slave_mode;
|
||
|
|
bool lrck_inv = tdm_priv->lck_invert;
|
||
|
|
bool bck_inv = tdm_priv->bck_invert;
|
||
|
|
unsigned int tran_rate;
|
||
|
|
unsigned int tran_relatch_rate;
|
||
|
|
|
||
|
|
tdm_priv->rate = rate;
|
||
|
|
tran_rate = mt8186_rate_transform(afe->dev, rate, dai->id);
|
||
|
|
tran_relatch_rate = mt8186_tdm_relatch_rate_transform(afe->dev, rate);
|
||
|
|
|
||
|
|
/* calculate mclk_rate, if not set explicitly */
|
||
|
|
if (!tdm_priv->mclk_rate) {
|
||
|
|
tdm_priv->mclk_rate = rate * tdm_priv->mclk_multiple;
|
||
|
|
mtk_dai_tdm_cal_mclk(afe, tdm_priv, tdm_priv->mclk_rate);
|
||
|
|
}
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON0 */
|
||
|
|
tdm_con |= slave_mode << ETDM_IN1_CON0_REG_SLAVE_MODE_SFT;
|
||
|
|
tdm_con |= tdm_mode << ETDM_IN1_CON0_REG_FMT_SFT;
|
||
|
|
tdm_con |= (bit_width - 1) << ETDM_IN1_CON0_REG_BIT_LENGTH_SFT;
|
||
|
|
tdm_con |= (bit_width - 1) << ETDM_IN1_CON0_REG_WORD_LENGTH_SFT;
|
||
|
|
tdm_con |= (tdm_channels - 1) << ETDM_IN1_CON0_REG_CH_NUM_SFT;
|
||
|
|
/* need to disable sync mode otherwise this may cause latch data error */
|
||
|
|
tdm_con |= 0 << ETDM_IN1_CON0_REG_SYNC_MODE_SFT;
|
||
|
|
/* relatch 1x en clock fix to h26m */
|
||
|
|
tdm_con |= 0 << ETDM_IN1_CON0_REG_RELATCH_1X_EN_SEL_DOMAIN_SFT;
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON0, ETDM_IN_CON0_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON1 */
|
||
|
|
tdm_con = 0;
|
||
|
|
tdm_con |= 0 << ETDM_IN1_CON1_REG_LRCK_AUTO_MODE_SFT;
|
||
|
|
tdm_con |= 1 << ETDM_IN1_CON1_PINMUX_MCLK_CTRL_OE_SFT;
|
||
|
|
tdm_con |= (lrck_width - 1) << ETDM_IN1_CON1_REG_LRCK_WIDTH_SFT;
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON1, ETDM_IN_CON1_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON3 */
|
||
|
|
tdm_con = 0;
|
||
|
|
tdm_con = ETDM_IN_CON3_FS(tran_rate);
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON3, ETDM_IN_CON3_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON4 */
|
||
|
|
tdm_con = 0;
|
||
|
|
tdm_con = ETDM_IN_CON4_FS(tran_relatch_rate);
|
||
|
|
if (slave_mode) {
|
||
|
|
if (lrck_inv)
|
||
|
|
tdm_con |= ETDM_IN_CON4_CON0_SLAVE_LRCK_INV;
|
||
|
|
if (bck_inv)
|
||
|
|
tdm_con |= ETDM_IN_CON4_CON0_SLAVE_BCK_INV;
|
||
|
|
} else {
|
||
|
|
if (lrck_inv)
|
||
|
|
tdm_con |= ETDM_IN_CON4_CON0_MASTER_LRCK_INV;
|
||
|
|
if (bck_inv)
|
||
|
|
tdm_con |= ETDM_IN_CON4_CON0_MASTER_BCK_INV;
|
||
|
|
}
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON4, ETDM_IN_CON4_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON2 */
|
||
|
|
tdm_con = 0;
|
||
|
|
if (data_mode == TDM_DATA_MULTI_PIN) {
|
||
|
|
tdm_con |= ETDM_IN_CON2_MULTI_IP_2CH_MODE;
|
||
|
|
tdm_con |= ETDM_IN_CON2_MULTI_IP_CH(channels);
|
||
|
|
}
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON2, ETDM_IN_CON2_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
/* ETDM_IN1_CON8 */
|
||
|
|
tdm_con = 0;
|
||
|
|
if (slave_mode) {
|
||
|
|
tdm_con |= 1 << ETDM_IN1_CON8_REG_ETDM_USE_AFIFO_SFT;
|
||
|
|
tdm_con |= 0 << ETDM_IN1_CON8_REG_AFIFO_CLOCK_DOMAIN_SEL_SFT;
|
||
|
|
tdm_con |= ETDM_IN_CON8_FS(tran_relatch_rate);
|
||
|
|
} else {
|
||
|
|
tdm_con |= 0 << ETDM_IN1_CON8_REG_ETDM_USE_AFIFO_SFT;
|
||
|
|
}
|
||
|
|
regmap_update_bits(afe->regmap, ETDM_IN1_CON8, ETDM_IN_CON8_CTRL_MASK, tdm_con);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mtk_dai_tdm_set_sysclk(struct snd_soc_dai *dai,
|
||
|
|
int clk_id, unsigned int freq, int dir)
|
||
|
|
{
|
||
|
|
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
|
||
|
|
struct mt8186_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id];
|
||
|
|
|
||
|
|
if (dir != SND_SOC_CLOCK_IN) {
|
||
|
|
dev_err(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
dev_dbg(afe->dev, "%s(), freq %d\n", __func__, freq);
|
||
|
|
|
||
|
|
return mtk_dai_tdm_cal_mclk(afe, tdm_priv, freq);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mtk_dai_tdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
||
|
|
{
|
||
|
|
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
|
||
|
|
struct mt8186_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id];
|
||
|
|
|
||
|
|
/* DAI mode*/
|
||
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_I2S:
|
||
|
|
tdm_priv->tdm_mode = TDM_IN_I2S;
|
||
|
|
tdm_priv->data_mode = TDM_DATA_MULTI_PIN;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
||
|
|
tdm_priv->tdm_mode = TDM_IN_LJ;
|
||
|
|
tdm_priv->data_mode = TDM_DATA_MULTI_PIN;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_RIGHT_J:
|
||
|
|
tdm_priv->tdm_mode = TDM_IN_RJ;
|
||
|
|
tdm_priv->data_mode = TDM_DATA_MULTI_PIN;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_DSP_A:
|
||
|
|
tdm_priv->tdm_mode = TDM_IN_DSP_A;
|
||
|
|
tdm_priv->data_mode = TDM_DATA_ONE_PIN;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_DSP_B:
|
||
|
|
tdm_priv->tdm_mode = TDM_IN_DSP_B;
|
||
|
|
tdm_priv->data_mode = TDM_DATA_ONE_PIN;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(afe->dev, "%s(), invalid DAIFMT_FORMAT_MASK", __func__);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* DAI clock inversion*/
|
||
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_NB_NF:
|
||
|
|
tdm_priv->bck_invert = TDM_BCK_NON_INV;
|
||
|
|
tdm_priv->lck_invert = TDM_LCK_NON_INV;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_NB_IF:
|
||
|
|
tdm_priv->bck_invert = TDM_BCK_NON_INV;
|
||
|
|
tdm_priv->lck_invert = TDM_LCK_INV;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_IB_NF:
|
||
|
|
tdm_priv->bck_invert = TDM_BCK_INV;
|
||
|
|
tdm_priv->lck_invert = TDM_LCK_NON_INV;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_IB_IF:
|
||
|
|
tdm_priv->bck_invert = TDM_BCK_INV;
|
||
|
|
tdm_priv->lck_invert = TDM_LCK_INV;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(afe->dev, "%s(), invalid DAIFMT_INV_MASK", __func__);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
|
||
|
|
case SND_SOC_DAIFMT_BP_FP:
|
||
|
|
tdm_priv->slave_mode = false;
|
||
|
|
break;
|
||
|
|
case SND_SOC_DAIFMT_BC_FC:
|
||
|
|
tdm_priv->slave_mode = true;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
dev_err(afe->dev, "%s(), invalid DAIFMT_CLOCK_PROVIDER_MASK",
|
||
|
|
__func__);
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int mtk_dai_tdm_set_tdm_slot(struct snd_soc_dai *dai,
|
||
|
|
unsigned int tx_mask,
|
||
|
|
unsigned int rx_mask,
|
||
|
|
int slots,
|
||
|
|
int slot_width)
|
||
|
|
{
|
||
|
|
struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);
|
||
|
|
struct mt8186_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id];
|
||
|
|
|
||
|
|
dev_dbg(dai->dev, "%s %d slot_width %d\n", __func__, dai->id, slot_width);
|
||
|
|
|
||
|
|
tdm_priv->lrck_width = slot_width;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct snd_soc_dai_ops mtk_dai_tdm_ops = {
|
||
|
|
.hw_params = mtk_dai_tdm_hw_params,
|
||
|
|
.set_sysclk = mtk_dai_tdm_set_sysclk,
|
||
|
|
.set_fmt = mtk_dai_tdm_set_fmt,
|
||
|
|
.set_tdm_slot = mtk_dai_tdm_set_tdm_slot,
|
||
|
|
};
|
||
|
|
|
||
|
|
/* dai driver */
|
||
|
|
#define MTK_TDM_RATES (SNDRV_PCM_RATE_8000_48000 |\
|
||
|
|
SNDRV_PCM_RATE_88200 |\
|
||
|
|
SNDRV_PCM_RATE_96000 |\
|
||
|
|
SNDRV_PCM_RATE_176400 |\
|
||
|
|
SNDRV_PCM_RATE_192000)
|
||
|
|
|
||
|
|
#define MTK_TDM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
||
|
|
SNDRV_PCM_FMTBIT_S24_LE |\
|
||
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
||
|
|
|
||
|
|
static struct snd_soc_dai_driver mtk_dai_tdm_driver[] = {
|
||
|
|
{
|
||
|
|
.name = "TDM IN",
|
||
|
|
.id = MT8186_DAI_TDM_IN,
|
||
|
|
.capture = {
|
||
|
|
.stream_name = "TDM IN",
|
||
|
|
.channels_min = 2,
|
||
|
|
.channels_max = 8,
|
||
|
|
.rates = MTK_TDM_RATES,
|
||
|
|
.formats = MTK_TDM_FORMATS,
|
||
|
|
},
|
||
|
|
.ops = &mtk_dai_tdm_ops,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct mtk_afe_tdm_priv *init_tdm_priv_data(struct mtk_base_afe *afe)
|
||
|
|
{
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv;
|
||
|
|
|
||
|
|
tdm_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_afe_tdm_priv),
|
||
|
|
GFP_KERNEL);
|
||
|
|
if (!tdm_priv)
|
||
|
|
return NULL;
|
||
|
|
|
||
|
|
tdm_priv->mclk_multiple = 512;
|
||
|
|
tdm_priv->mclk_id = MT8186_TDM_MCK;
|
||
|
|
tdm_priv->id = MT8186_DAI_TDM_IN;
|
||
|
|
|
||
|
|
return tdm_priv;
|
||
|
|
}
|
||
|
|
|
||
|
|
int mt8186_dai_tdm_register(struct mtk_base_afe *afe)
|
||
|
|
{
|
||
|
|
struct mt8186_afe_private *afe_priv = afe->platform_priv;
|
||
|
|
struct mtk_afe_tdm_priv *tdm_priv;
|
||
|
|
struct mtk_base_afe_dai *dai;
|
||
|
|
|
||
|
|
dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
|
||
|
|
if (!dai)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
list_add(&dai->list, &afe->sub_dais);
|
||
|
|
|
||
|
|
dai->dai_drivers = mtk_dai_tdm_driver;
|
||
|
|
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_tdm_driver);
|
||
|
|
|
||
|
|
dai->controls = mtk_dai_tdm_controls;
|
||
|
|
dai->num_controls = ARRAY_SIZE(mtk_dai_tdm_controls);
|
||
|
|
dai->dapm_widgets = mtk_dai_tdm_widgets;
|
||
|
|
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_tdm_widgets);
|
||
|
|
dai->dapm_routes = mtk_dai_tdm_routes;
|
||
|
|
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_tdm_routes);
|
||
|
|
|
||
|
|
tdm_priv = init_tdm_priv_data(afe);
|
||
|
|
if (!tdm_priv)
|
||
|
|
return -ENOMEM;
|
||
|
|
|
||
|
|
afe_priv->dai_priv[MT8186_DAI_TDM_IN] = tdm_priv;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|