1165 lines
33 KiB
C
1165 lines
33 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// MediaTek ALSA SoC Audio DAI I2S Control
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//
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// Copyright (c) 2018 MediaTek Inc.
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// Author: Michael Hsiao <michael.hsiao@mediatek.com>
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#include <linux/bitops.h>
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#include <linux/regmap.h>
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#include <sound/pcm_params.h>
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#include "mt6768-afe-clk.h"
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#include "mt6768-afe-common.h"
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#include "mt6768-afe-gpio.h"
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#include "mt6768-interconnection.h"
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enum {
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I2S_FMT_EIAJ = 0,
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I2S_FMT_I2S = 1,
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};
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enum {
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I2S_WLEN_16_BIT = 0,
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I2S_WLEN_32_BIT = 1,
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};
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enum {
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I2S_HD_NORMAL = 0,
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I2S_HD_LOW_JITTER = 1,
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};
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enum {
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I2S1_SEL_O28_O29 = 0,
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I2S1_SEL_O03_O04 = 1,
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};
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enum {
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I2S_IN_PAD_CONNSYS = 0,
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I2S_IN_PAD_IO_MUX = 1,
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};
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struct mtk_afe_i2s_priv {
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int id;
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int rate; /* for determine which apll to use */
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int low_jitter_en;
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const char *share_property_name;
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int share_i2s_id;
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int mclk_id;
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int mclk_rate;
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int mclk_apll;
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};
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static unsigned int get_i2s_wlen(snd_pcm_format_t format)
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{
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return snd_pcm_format_physical_width(format) <= 16 ?
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I2S_WLEN_16_BIT : I2S_WLEN_32_BIT;
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}
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#define MTK_AFE_I2S0_KCONTROL_NAME "I2S0_HD_Mux"
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#define MTK_AFE_I2S1_KCONTROL_NAME "I2S1_HD_Mux"
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#define MTK_AFE_I2S2_KCONTROL_NAME "I2S2_HD_Mux"
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#define MTK_AFE_I2S3_KCONTROL_NAME "I2S3_HD_Mux"
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#define I2S0_HD_EN_W_NAME "I2S0_HD_EN"
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#define I2S1_HD_EN_W_NAME "I2S1_HD_EN"
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#define I2S2_HD_EN_W_NAME "I2S2_HD_EN"
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#define I2S3_HD_EN_W_NAME "I2S3_HD_EN"
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#define I2S0_MCLK_EN_W_NAME "I2S0_MCLK_EN"
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#define I2S1_MCLK_EN_W_NAME "I2S1_MCLK_EN"
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#define I2S2_MCLK_EN_W_NAME "I2S2_MCLK_EN"
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#define I2S3_MCLK_EN_W_NAME "I2S3_MCLK_EN"
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static int get_i2s_id_by_name(struct mtk_base_afe *afe,
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const char *name)
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{
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if (strncmp(name, "I2S0", 4) == 0)
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return MT6768_DAI_I2S_0;
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else if (strncmp(name, "I2S1", 4) == 0)
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return MT6768_DAI_I2S_1;
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else if (strncmp(name, "I2S2", 4) == 0)
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return MT6768_DAI_I2S_2;
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else if (strncmp(name, "I2S3", 4) == 0)
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return MT6768_DAI_I2S_3;
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else
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return -EINVAL;
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}
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static struct mtk_afe_i2s_priv *get_i2s_priv_by_name(struct mtk_base_afe *afe,
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const char *name)
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{
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struct mt6768_afe_private *afe_priv = afe->platform_priv;
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int dai_id = get_i2s_id_by_name(afe, name);
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if (dai_id < 0)
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return NULL;
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return afe_priv->dai_priv[dai_id];
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}
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/* low jitter control */
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static const char * const mt6768_i2s_hd_str[] = {
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"Normal", "Low_Jitter"
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};
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static const struct soc_enum mt6768_i2s_enum[] = {
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SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(mt6768_i2s_hd_str),
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mt6768_i2s_hd_str),
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};
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static int mt6768_i2s_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 mtk_afe_i2s_priv *i2s_priv;
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i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
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if (!i2s_priv) {
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AUDIO_AEE("i2s_priv == NULL");
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = i2s_priv->low_jitter_en;
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return 0;
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}
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static int mt6768_i2s_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 mtk_afe_i2s_priv *i2s_priv = NULL;
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struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
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int hd_en = 0;
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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_info(afe->dev, "%s(), kcontrol name %s, hd_en %d\n",
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__func__, kcontrol->id.name, hd_en);
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i2s_priv = get_i2s_priv_by_name(afe, kcontrol->id.name);
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if (!i2s_priv) {
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AUDIO_AEE("i2s_priv == NULL");
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return -EINVAL;
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}
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i2s_priv->low_jitter_en = hd_en;
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return 0;
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}
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static const struct snd_kcontrol_new mtk_dai_i2s_controls[] = {
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SOC_ENUM_EXT(MTK_AFE_I2S0_KCONTROL_NAME, mt6768_i2s_enum[0],
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mt6768_i2s_hd_get, mt6768_i2s_hd_set),
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SOC_ENUM_EXT(MTK_AFE_I2S1_KCONTROL_NAME, mt6768_i2s_enum[0],
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mt6768_i2s_hd_get, mt6768_i2s_hd_set),
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SOC_ENUM_EXT(MTK_AFE_I2S2_KCONTROL_NAME, mt6768_i2s_enum[0],
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mt6768_i2s_hd_get, mt6768_i2s_hd_set),
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SOC_ENUM_EXT(MTK_AFE_I2S3_KCONTROL_NAME, mt6768_i2s_enum[0],
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mt6768_i2s_hd_get, mt6768_i2s_hd_set),
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};
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/* dai component */
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/* i2s virtual mux to output widget */
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static const char * const i2s_out_mux_map[] = {
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"Normal", "Output_Widget",
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};
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static int i2s_out_mux_map_value[] = {
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0, 1,
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};
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static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(i2s_out_mux_map_enum,
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SND_SOC_NOPM,
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0,
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1,
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i2s_out_mux_map,
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i2s_out_mux_map_value);
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static const struct snd_kcontrol_new i2s1_out_mux_control =
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SOC_DAPM_ENUM("I2S1 Out Select", i2s_out_mux_map_enum);
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static const struct snd_kcontrol_new i2s3_out_mux_control =
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SOC_DAPM_ENUM("I2S3 Out Select", i2s_out_mux_map_enum);
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/* interconnection */
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static const struct snd_kcontrol_new mtk_i2s3_ch1_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN0, I_DL1_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN0, I_DL2_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN0, I_DL3_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1", AFE_CONN0, I_DL12_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1", AFE_CONN0,
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I_GAIN1_OUT_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN0,
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I_ADDA_UL_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN0,
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I_PCM_2_CAP_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_i2s3_ch2_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN1, I_DL1_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN1, I_DL2_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN1, I_DL3_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2", AFE_CONN1, I_DL12_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2", AFE_CONN1,
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I_GAIN1_OUT_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN1,
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I_ADDA_UL_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN1,
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I_PCM_2_CAP_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN1,
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I_PCM_2_CAP_CH2, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_i2s1_ch1_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN28, I_DL1_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN28, I_DL2_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN28, I_DL3_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH1", AFE_CONN28, I_DL12_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH1", AFE_CONN28,
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I_GAIN1_OUT_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN28,
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I_ADDA_UL_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN28,
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I_PCM_2_CAP_CH1, 1, 0),
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};
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static const struct snd_kcontrol_new mtk_i2s1_ch2_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN29, I_DL1_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN29, I_DL2_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN29, I_DL3_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL12_CH2", AFE_CONN29, I_DL12_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("GAIN1_OUT_CH2", AFE_CONN29,
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I_GAIN1_OUT_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN29,
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I_ADDA_UL_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN29,
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I_PCM_2_CAP_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN29,
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I_PCM_2_CAP_CH2, 1, 0),
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};
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enum {
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SUPPLY_SEQ_APLL,
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SUPPLY_SEQ_I2S_MCLK_EN,
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SUPPLY_SEQ_I2S_HD_EN,
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SUPPLY_SEQ_I2S_EN,
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};
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static int mtk_i2s_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 mtk_afe_i2s_priv *i2s_priv;
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i2s_priv = get_i2s_priv_by_name(afe, w->name);
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if (!i2s_priv) {
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AUDIO_AEE("i2s_priv == NULL");
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return -EINVAL;
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}
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dev_info(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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mt6768_afe_gpio_request(afe, true, i2s_priv->id, 0);
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break;
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case SND_SOC_DAPM_POST_PMD:
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mt6768_afe_gpio_request(afe, false, i2s_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_i2s_hd_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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dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
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__func__, w->name, event);
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return 0;
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}
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static int mtk_apll_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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dev_info(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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if (strcmp(w->name, APLL1_W_NAME) == 0)
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mt6768_apll1_enable(afe);
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else
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mt6768_apll2_enable(afe);
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break;
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case SND_SOC_DAPM_POST_PMD:
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if (strcmp(w->name, APLL1_W_NAME) == 0)
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mt6768_apll1_disable(afe);
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else
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mt6768_apll2_disable(afe);
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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_mclk_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 mtk_afe_i2s_priv *i2s_priv = NULL;
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dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",
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__func__, w->name, event);
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i2s_priv = get_i2s_priv_by_name(afe, w->name);
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if (!i2s_priv) {
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AUDIO_AEE("i2s_priv == NULL");
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return -EINVAL;
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}
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switch (event) {
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case SND_SOC_DAPM_PRE_PMU:
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mt6768_mck_enable(afe, i2s_priv->mclk_id, i2s_priv->mclk_rate);
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break;
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case SND_SOC_DAPM_POST_PMD:
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i2s_priv->mclk_rate = 0;
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mt6768_mck_disable(afe, i2s_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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static const struct snd_soc_dapm_widget mtk_dai_i2s_widgets[] = {
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SND_SOC_DAPM_INPUT("CONNSYS"),
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SND_SOC_DAPM_MIXER("I2S1_CH1", SND_SOC_NOPM, 0, 0,
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mtk_i2s1_ch1_mix,
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ARRAY_SIZE(mtk_i2s1_ch1_mix)),
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SND_SOC_DAPM_MIXER("I2S1_CH2", SND_SOC_NOPM, 0, 0,
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mtk_i2s1_ch2_mix,
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ARRAY_SIZE(mtk_i2s1_ch2_mix)),
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SND_SOC_DAPM_MIXER("I2S3_CH1", SND_SOC_NOPM, 0, 0,
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mtk_i2s3_ch1_mix,
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ARRAY_SIZE(mtk_i2s3_ch1_mix)),
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SND_SOC_DAPM_MIXER("I2S3_CH2", SND_SOC_NOPM, 0, 0,
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mtk_i2s3_ch2_mix,
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ARRAY_SIZE(mtk_i2s3_ch2_mix)),
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/* i2s en*/
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SND_SOC_DAPM_SUPPLY_S("I2S0_EN", SUPPLY_SEQ_I2S_EN,
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AFE_I2S_CON, I2S_EN_SFT, 0,
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mtk_i2s_en_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_SUPPLY_S("I2S1_EN", SUPPLY_SEQ_I2S_EN,
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AFE_I2S_CON1, I2S_EN_SFT, 0,
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mtk_i2s_en_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_SUPPLY_S("I2S2_EN", SUPPLY_SEQ_I2S_EN,
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AFE_I2S_CON2, I2S_EN_SFT, 0,
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mtk_i2s_en_event,
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SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_SUPPLY_S("I2S3_EN", SUPPLY_SEQ_I2S_EN,
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AFE_I2S_CON3, I2S_EN_SFT, 0,
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mtk_i2s_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* i2s hd en */
|
|
SND_SOC_DAPM_SUPPLY_S(I2S0_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
|
|
AFE_I2S_CON, I2S1_HD_EN_SFT, 0,
|
|
mtk_i2s_hd_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S1_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
|
|
AFE_I2S_CON1, I2S2_HD_EN_SFT, 0,
|
|
mtk_i2s_hd_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S2_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
|
|
AFE_I2S_CON2, I2S3_HD_EN_SFT, 0,
|
|
mtk_i2s_hd_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S3_HD_EN_W_NAME, SUPPLY_SEQ_I2S_HD_EN,
|
|
AFE_I2S_CON3, I2S4_HD_EN_SFT, 0,
|
|
mtk_i2s_hd_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* i2s mclk en */
|
|
SND_SOC_DAPM_SUPPLY_S(I2S0_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_mclk_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S1_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_mclk_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S2_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_mclk_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(I2S3_MCLK_EN_W_NAME, SUPPLY_SEQ_I2S_MCLK_EN,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_mclk_en_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* apll */
|
|
SND_SOC_DAPM_SUPPLY_S(APLL1_W_NAME, SUPPLY_SEQ_APLL,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_apll_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
SND_SOC_DAPM_SUPPLY_S(APLL2_W_NAME, SUPPLY_SEQ_APLL,
|
|
SND_SOC_NOPM, 0, 0,
|
|
mtk_apll_event,
|
|
SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
|
|
|
|
/* allow i2s on without codec on */
|
|
SND_SOC_DAPM_OUTPUT("I2S_DUMMY_OUT"),
|
|
SND_SOC_DAPM_MUX("I2S1_Out_Mux",
|
|
SND_SOC_NOPM, 0, 0, &i2s1_out_mux_control),
|
|
SND_SOC_DAPM_MUX("I2S3_Out_Mux",
|
|
SND_SOC_NOPM, 0, 0, &i2s3_out_mux_control),
|
|
};
|
|
|
|
static int mtk_afe_i2s_share_connect(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_dapm_widget *w = sink;
|
|
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
|
|
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
|
|
struct mtk_afe_i2s_priv *i2s_priv;
|
|
|
|
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return 0;
|
|
}
|
|
|
|
if (i2s_priv->share_i2s_id < 0)
|
|
return 0;
|
|
|
|
return i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name);
|
|
}
|
|
|
|
static int mtk_afe_i2s_hd_connect(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_dapm_widget *w = sink;
|
|
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
|
|
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
|
|
struct mtk_afe_i2s_priv *i2s_priv;
|
|
|
|
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return 0;
|
|
}
|
|
|
|
if (get_i2s_id_by_name(afe, sink->name) ==
|
|
get_i2s_id_by_name(afe, source->name))
|
|
return i2s_priv->low_jitter_en;
|
|
|
|
/* check if share i2s need hd en */
|
|
if (i2s_priv->share_i2s_id < 0)
|
|
return 0;
|
|
|
|
if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
|
|
return i2s_priv->low_jitter_en;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_afe_i2s_apll_connect(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_dapm_widget *w = sink;
|
|
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
|
|
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
|
|
struct mtk_afe_i2s_priv *i2s_priv;
|
|
int cur_apll;
|
|
int i2s_need_apll;
|
|
|
|
i2s_priv = get_i2s_priv_by_name(afe, w->name);
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return 0;
|
|
}
|
|
|
|
/* which apll */
|
|
cur_apll = mt6768_get_apll_by_name(afe, source->name);
|
|
|
|
/* choose APLL from i2s rate */
|
|
i2s_need_apll = mt6768_get_apll_by_rate(afe, i2s_priv->rate);
|
|
|
|
return (i2s_need_apll == cur_apll) ? 1 : 0;
|
|
}
|
|
|
|
static int mtk_afe_i2s_mclk_connect(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_dapm_widget *w = sink;
|
|
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
|
|
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
|
|
struct mtk_afe_i2s_priv *i2s_priv;
|
|
|
|
i2s_priv = get_i2s_priv_by_name(afe, sink->name);
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return 0;
|
|
}
|
|
|
|
if (get_i2s_id_by_name(afe, sink->name) ==
|
|
get_i2s_id_by_name(afe, source->name))
|
|
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
|
|
|
|
/* check if share i2s need mclk */
|
|
if (i2s_priv->share_i2s_id < 0)
|
|
return 0;
|
|
|
|
if (i2s_priv->share_i2s_id == get_i2s_id_by_name(afe, source->name))
|
|
return (i2s_priv->mclk_rate > 0) ? 1 : 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_afe_mclk_apll_connect(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_dapm_widget *w = sink;
|
|
struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
|
|
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
|
|
struct mtk_afe_i2s_priv *i2s_priv;
|
|
int cur_apll;
|
|
|
|
i2s_priv = get_i2s_priv_by_name(afe, w->name);
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return 0;
|
|
}
|
|
|
|
/* which apll */
|
|
cur_apll = mt6768_get_apll_by_name(afe, source->name);
|
|
|
|
return (i2s_priv->mclk_apll == cur_apll) ? 1 : 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_route mtk_dai_i2s_routes[] = {
|
|
{"Connsys I2S", NULL, "CONNSYS"},
|
|
|
|
/* i2s0 */
|
|
{"I2S0", NULL, "I2S0_EN"},
|
|
{"I2S0", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S0", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S0", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
|
|
|
|
{"I2S0", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S0", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S0", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S0", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{I2S0_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
|
|
{I2S0_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
|
|
|
|
{"I2S0", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S0", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S0", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S0", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{I2S0_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
|
|
{I2S0_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
|
|
|
|
/* i2s1 */
|
|
{"I2S1_CH1", "DL1_CH1", "DL1"},
|
|
{"I2S1_CH2", "DL1_CH2", "DL1"},
|
|
|
|
{"I2S1_CH1", "DL2_CH1", "DL2"},
|
|
{"I2S1_CH2", "DL2_CH2", "DL2"},
|
|
|
|
{"I2S1_CH1", "DL3_CH1", "DL3"},
|
|
{"I2S1_CH2", "DL3_CH2", "DL3"},
|
|
|
|
{"I2S1_CH1", "DL12_CH1", "DL12"},
|
|
{"I2S1_CH2", "DL12_CH2", "DL12"},
|
|
|
|
{"I2S1", NULL, "I2S1_CH1"},
|
|
{"I2S1", NULL, "I2S1_CH2"},
|
|
|
|
{"I2S1", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S1", NULL, "I2S1_EN"},
|
|
{"I2S1", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S1", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
|
|
|
|
{"I2S1", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S1", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S1", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S1", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{I2S1_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
|
|
{I2S1_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
|
|
|
|
{"I2S1", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S1", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S1", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S1", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{I2S1_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
|
|
{I2S1_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
|
|
|
|
/* i2s2 */
|
|
{"I2S2", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S2", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S2", NULL, "I2S2_EN"},
|
|
{"I2S2", NULL, "I2S3_EN", mtk_afe_i2s_share_connect},
|
|
|
|
{"I2S2", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S2", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S2", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S2", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{I2S2_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
|
|
{I2S2_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
|
|
|
|
{"I2S2", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S2", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S2", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S2", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{I2S2_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
|
|
{I2S2_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
|
|
|
|
/* i2s3 */
|
|
{"I2S3_CH1", "DL1_CH1", "DL1"},
|
|
{"I2S3_CH2", "DL1_CH2", "DL1"},
|
|
|
|
{"I2S3_CH1", "DL2_CH1", "DL2"},
|
|
{"I2S3_CH2", "DL2_CH2", "DL2"},
|
|
|
|
{"I2S3_CH1", "DL3_CH1", "DL3"},
|
|
{"I2S3_CH2", "DL3_CH2", "DL3"},
|
|
|
|
{"I2S3_CH1", "DL12_CH1", "DL12"},
|
|
{"I2S3_CH2", "DL12_CH2", "DL12"},
|
|
|
|
{"I2S3", NULL, "I2S3_CH1"},
|
|
{"I2S3", NULL, "I2S3_CH2"},
|
|
|
|
{"I2S3", NULL, "I2S0_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S3", NULL, "I2S1_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S3", NULL, "I2S2_EN", mtk_afe_i2s_share_connect},
|
|
{"I2S3", NULL, "I2S3_EN"},
|
|
|
|
{"I2S3", NULL, I2S0_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S3", NULL, I2S1_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S3", NULL, I2S2_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{"I2S3", NULL, I2S3_HD_EN_W_NAME, mtk_afe_i2s_hd_connect},
|
|
{I2S3_HD_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_i2s_apll_connect},
|
|
{I2S3_HD_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_i2s_apll_connect},
|
|
|
|
{"I2S3", NULL, I2S0_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S3", NULL, I2S1_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S3", NULL, I2S2_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{"I2S3", NULL, I2S3_MCLK_EN_W_NAME, mtk_afe_i2s_mclk_connect},
|
|
{I2S3_MCLK_EN_W_NAME, NULL, APLL1_W_NAME, mtk_afe_mclk_apll_connect},
|
|
{I2S3_MCLK_EN_W_NAME, NULL, APLL2_W_NAME, mtk_afe_mclk_apll_connect},
|
|
|
|
/* allow i2s on without codec on */
|
|
{"I2S1_Out_Mux", "Output_Widget", "I2S1"},
|
|
{"I2S_DUMMY_OUT", NULL, "I2S1_Out_Mux"},
|
|
|
|
{"I2S3_Out_Mux", "Output_Widget", "I2S3"},
|
|
{"I2S_DUMMY_OUT", NULL, "I2S3_Out_Mux"},
|
|
};
|
|
|
|
/* dai ops */
|
|
static int mtk_dai_connsys_i2s_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);
|
|
unsigned int rate = params_rate(params);
|
|
unsigned int rate_reg = mt6768_rate_transform(afe->dev,
|
|
rate, dai->id);
|
|
unsigned int i2s_con = 0;
|
|
|
|
dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n",
|
|
__func__,
|
|
dai->id,
|
|
substream->stream,
|
|
rate);
|
|
|
|
/* non-inverse, i2s mode, slave, 16bits, from connsys */
|
|
i2s_con |= 0 << INV_PAD_CTRL_SFT;
|
|
i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
|
|
i2s_con |= 1 << I2S_SRC_SFT;
|
|
i2s_con |= get_i2s_wlen(SNDRV_PCM_FORMAT_S16_LE) << I2S_WLEN_SFT;
|
|
i2s_con |= 0 << I2SIN_PAD_SEL_SFT;
|
|
regmap_write(afe->regmap, AFE_CONNSYS_I2S_CON, i2s_con);
|
|
|
|
/* use asrc */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_CONNSYS_I2S_CON,
|
|
I2S_BYPSRC_MASK_SFT,
|
|
0x0 << I2S_BYPSRC_SFT);
|
|
|
|
/* slave mode, set i2s for asrc */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_CONNSYS_I2S_CON,
|
|
I2S_MODE_MASK_SFT,
|
|
rate_reg << I2S_MODE_SFT);
|
|
|
|
if (rate == 44100)
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x001B9000);
|
|
else if (rate == 32000)
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x140000);
|
|
else
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON3, 0x001E0000);
|
|
|
|
/* Calibration setting */
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON4, 0x00140000);
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON9, 0x00036000);
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON10, 0x0002FC00);
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON6, 0x00007EF4);
|
|
regmap_write(afe->regmap, AFE_ASRC_2CH_CON5, 0x00FF5986);
|
|
|
|
/* 0:Stereo 1:Mono */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON2,
|
|
CHSET_IS_MONO_MASK_SFT,
|
|
0x0 << CHSET_IS_MONO_SFT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mtk_dai_connsys_i2s_trigger(struct snd_pcm_substream *substream,
|
|
int cmd, struct snd_soc_dai *dai)
|
|
{
|
|
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
|
|
struct mt6768_afe_private *afe_priv = afe->platform_priv;
|
|
|
|
dev_info(afe->dev, "%s(), cmd %d, stream %d\n",
|
|
__func__,
|
|
cmd,
|
|
substream->stream);
|
|
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
/* i2s enable */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_CONNSYS_I2S_CON,
|
|
I2S_EN_MASK_SFT,
|
|
0x1 << I2S_EN_SFT);
|
|
|
|
/* calibrator enable */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON5,
|
|
CALI_EN_MASK_SFT,
|
|
0x1 << CALI_EN_SFT);
|
|
|
|
/* asrc enable */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON0,
|
|
CON0_CHSET_STR_CLR_MASK_SFT,
|
|
0x1 << CON0_CHSET_STR_CLR_SFT);
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON0,
|
|
CON0_ASM_ON_MASK_SFT,
|
|
0x1 << CON0_ASM_ON_SFT);
|
|
|
|
afe_priv->dai_on[dai->id] = true;
|
|
return 0;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON0,
|
|
CON0_ASM_ON_MASK_SFT,
|
|
0 << CON0_ASM_ON_SFT);
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_ASRC_2CH_CON5,
|
|
CALI_EN_MASK_SFT,
|
|
0 << CALI_EN_SFT);
|
|
|
|
/* i2s disable */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_CONNSYS_I2S_CON,
|
|
I2S_EN_MASK_SFT,
|
|
0x0 << I2S_EN_SFT);
|
|
|
|
/* bypass asrc */
|
|
regmap_update_bits(afe->regmap,
|
|
AFE_CONNSYS_I2S_CON,
|
|
I2S_BYPSRC_MASK_SFT,
|
|
0x1 << I2S_BYPSRC_SFT);
|
|
|
|
afe_priv->dai_on[dai->id] = false;
|
|
return 0;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops mtk_dai_connsys_i2s_ops = {
|
|
.hw_params = mtk_dai_connsys_i2s_hw_params,
|
|
.trigger = mtk_dai_connsys_i2s_trigger,
|
|
};
|
|
|
|
/* i2s */
|
|
static int mtk_dai_i2s_config(struct mtk_base_afe *afe,
|
|
struct snd_pcm_hw_params *params,
|
|
int i2s_id)
|
|
{
|
|
struct mt6768_afe_private *afe_priv = afe->platform_priv;
|
|
struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[i2s_id];
|
|
|
|
unsigned int rate = params_rate(params);
|
|
unsigned int rate_reg = mt6768_rate_transform(afe->dev,
|
|
rate, i2s_id);
|
|
snd_pcm_format_t format = params_format(params);
|
|
unsigned int i2s_con = 0;
|
|
int ret = 0;
|
|
|
|
dev_info(afe->dev, "%s(), id %d, rate %d, format %d\n",
|
|
__func__,
|
|
i2s_id,
|
|
rate, format);
|
|
|
|
if (i2s_priv)
|
|
i2s_priv->rate = rate;
|
|
else
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
|
|
switch (i2s_id) {
|
|
case MT6768_DAI_I2S_0:
|
|
regmap_update_bits(afe->regmap, AFE_DAC_CON1,
|
|
I2S_MODE_MASK_SFT, rate_reg << I2S_MODE_SFT);
|
|
|
|
i2s_con = I2S_IN_PAD_IO_MUX << I2SIN_PAD_SEL_SFT;
|
|
i2s_con |= I2S_FMT_I2S << I2S_FMT_SFT;
|
|
i2s_con |= get_i2s_wlen(format) << I2S_WLEN_SFT;
|
|
regmap_update_bits(afe->regmap, AFE_I2S_CON,
|
|
0xffffeffe, i2s_con);
|
|
break;
|
|
case MT6768_DAI_I2S_1:
|
|
i2s_con = I2S1_SEL_O28_O29 << I2S2_SEL_O03_O04_SFT;
|
|
i2s_con |= rate_reg << I2S2_OUT_MODE_SFT;
|
|
i2s_con |= I2S_FMT_I2S << I2S2_FMT_SFT;
|
|
i2s_con |= get_i2s_wlen(format) << I2S2_WLEN_SFT;
|
|
regmap_update_bits(afe->regmap, AFE_I2S_CON1,
|
|
0xffffeffe, i2s_con);
|
|
break;
|
|
case MT6768_DAI_I2S_2:
|
|
i2s_con = 8 << I2S3_UPDATE_WORD_SFT;
|
|
i2s_con |= rate_reg << I2S3_OUT_MODE_SFT;
|
|
i2s_con |= I2S_FMT_I2S << I2S3_FMT_SFT;
|
|
i2s_con |= get_i2s_wlen(format) << I2S3_WLEN_SFT;
|
|
regmap_update_bits(afe->regmap, AFE_I2S_CON2,
|
|
0xffffeffe, i2s_con);
|
|
break;
|
|
case MT6768_DAI_I2S_3:
|
|
i2s_con = rate_reg << I2S4_OUT_MODE_SFT;
|
|
i2s_con |= I2S_FMT_I2S << I2S4_FMT_SFT;
|
|
i2s_con |= get_i2s_wlen(format) << I2S4_WLEN_SFT;
|
|
regmap_update_bits(afe->regmap, AFE_I2S_CON3,
|
|
0xffffeffe, i2s_con);
|
|
break;
|
|
default:
|
|
dev_warn(afe->dev, "%s(), id %d not support\n",
|
|
__func__, i2s_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* set share i2s */
|
|
if (i2s_priv && i2s_priv->share_i2s_id >= 0)
|
|
ret = mtk_dai_i2s_config(afe, params, i2s_priv->share_i2s_id);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int mtk_dai_i2s_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);
|
|
|
|
return mtk_dai_i2s_config(afe, params, dai->id);
|
|
}
|
|
|
|
static int mtk_dai_i2s_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 mt6768_afe_private *afe_priv = afe->platform_priv;
|
|
struct mtk_afe_i2s_priv *i2s_priv = afe_priv->dai_priv[dai->id];
|
|
int apll;
|
|
int apll_rate;
|
|
|
|
if (!i2s_priv) {
|
|
AUDIO_AEE("i2s_priv == NULL");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (dir != SND_SOC_CLOCK_OUT) {
|
|
AUDIO_AEE("dir != SND_SOC_CLOCK_OUT");
|
|
return -EINVAL;
|
|
}
|
|
|
|
dev_info(afe->dev, "%s(), freq %d\n", __func__, freq);
|
|
|
|
apll = mt6768_get_apll_by_rate(afe, freq);
|
|
apll_rate = mt6768_get_apll_rate(afe, apll);
|
|
|
|
if (freq > apll_rate) {
|
|
AUDIO_AEE("freq > apll rate");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (apll_rate % freq != 0) {
|
|
AUDIO_AEE("APLL cannot generate freq Hz");
|
|
return -EINVAL;
|
|
}
|
|
|
|
i2s_priv->mclk_rate = freq;
|
|
i2s_priv->mclk_apll = apll;
|
|
|
|
if (i2s_priv->share_i2s_id > 0) {
|
|
struct mtk_afe_i2s_priv *share_i2s_priv;
|
|
|
|
share_i2s_priv = afe_priv->dai_priv[i2s_priv->share_i2s_id];
|
|
if (!share_i2s_priv) {
|
|
AUDIO_AEE("share_i2s_priv == NULL");
|
|
return -EINVAL;
|
|
}
|
|
|
|
share_i2s_priv->mclk_rate = i2s_priv->mclk_rate;
|
|
share_i2s_priv->mclk_apll = i2s_priv->mclk_apll;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dai_ops mtk_dai_i2s_ops = {
|
|
.hw_params = mtk_dai_i2s_hw_params,
|
|
.set_sysclk = mtk_dai_i2s_set_sysclk,
|
|
};
|
|
|
|
/* dai driver */
|
|
#define MTK_CONNSYS_I2S_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
|
|
|
|
#define MTK_I2S_RATES (SNDRV_PCM_RATE_8000_48000 |\
|
|
SNDRV_PCM_RATE_88200 |\
|
|
SNDRV_PCM_RATE_96000 |\
|
|
SNDRV_PCM_RATE_176400 |\
|
|
SNDRV_PCM_RATE_192000)
|
|
|
|
#define MTK_I2S_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
|
|
SNDRV_PCM_FMTBIT_S24_LE |\
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
static struct snd_soc_dai_driver mtk_dai_i2s_driver[] = {
|
|
{
|
|
.name = "CONNSYS_I2S",
|
|
.id = MT6768_DAI_CONNSYS_I2S,
|
|
.capture = {
|
|
.stream_name = "Connsys I2S",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_CONNSYS_I2S_RATES,
|
|
.formats = MTK_I2S_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_connsys_i2s_ops,
|
|
},
|
|
{
|
|
.name = "I2S0",
|
|
.id = MT6768_DAI_I2S_0,
|
|
.capture = {
|
|
.stream_name = "I2S0",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_I2S_RATES,
|
|
.formats = MTK_I2S_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_i2s_ops,
|
|
},
|
|
{
|
|
.name = "I2S1",
|
|
.id = MT6768_DAI_I2S_1,
|
|
.playback = {
|
|
.stream_name = "I2S1",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_I2S_RATES,
|
|
.formats = MTK_I2S_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_i2s_ops,
|
|
},
|
|
{
|
|
.name = "I2S2",
|
|
.id = MT6768_DAI_I2S_2,
|
|
.capture = {
|
|
.stream_name = "I2S2",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_I2S_RATES,
|
|
.formats = MTK_I2S_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_i2s_ops,
|
|
},
|
|
{
|
|
.name = "I2S3",
|
|
.id = MT6768_DAI_I2S_3,
|
|
.playback = {
|
|
.stream_name = "I2S3",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = MTK_I2S_RATES,
|
|
.formats = MTK_I2S_FORMATS,
|
|
},
|
|
.ops = &mtk_dai_i2s_ops,
|
|
},
|
|
};
|
|
|
|
/* this enum is merely for mtk_afe_i2s_priv declare */
|
|
enum {
|
|
DAI_I2S0 = 0,
|
|
DAI_I2S1,
|
|
DAI_I2S2,
|
|
DAI_I2S3,
|
|
DAI_I2S_NUM,
|
|
};
|
|
|
|
static const struct mtk_afe_i2s_priv mt6768_i2s_priv[DAI_I2S_NUM] = {
|
|
[DAI_I2S0] = {
|
|
.id = MT6768_DAI_I2S_0,
|
|
.mclk_id = MT6768_I2S0_MCK,
|
|
.share_property_name = "i2s0-share",
|
|
.share_i2s_id = -1,
|
|
},
|
|
[DAI_I2S1] = {
|
|
.id = MT6768_DAI_I2S_1,
|
|
.mclk_id = MT6768_I2S1_MCK,
|
|
.share_property_name = "i2s1-share",
|
|
.share_i2s_id = -1,
|
|
},
|
|
[DAI_I2S2] = {
|
|
.id = MT6768_DAI_I2S_2,
|
|
.mclk_id = MT6768_I2S2_MCK,
|
|
.share_property_name = "i2s2-share",
|
|
.share_i2s_id = -1,
|
|
},
|
|
[DAI_I2S3] = {
|
|
.id = MT6768_DAI_I2S_3,
|
|
.mclk_id = MT6768_I2S3_MCK,
|
|
.share_property_name = "i2s3-share",
|
|
.share_i2s_id = -1,
|
|
},
|
|
};
|
|
|
|
int mt6768_dai_i2s_get_share(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt6768_afe_private *afe_priv = afe->platform_priv;
|
|
const struct device_node *of_node = afe->dev->of_node;
|
|
const char *of_str = NULL;
|
|
const char *property_name = NULL;
|
|
struct mtk_afe_i2s_priv *i2s_priv = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < DAI_I2S_NUM; i++) {
|
|
i2s_priv = afe_priv->dai_priv[mt6768_i2s_priv[i].id];
|
|
property_name = mt6768_i2s_priv[i].share_property_name;
|
|
if (of_property_read_string(of_node, property_name, &of_str))
|
|
continue;
|
|
i2s_priv->share_i2s_id = get_i2s_id_by_name(afe, of_str);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt6768_dai_i2s_set_priv(struct mtk_base_afe *afe)
|
|
{
|
|
struct mt6768_afe_private *afe_priv = afe->platform_priv;
|
|
struct mtk_afe_i2s_priv *i2s_priv = NULL;
|
|
int i;
|
|
|
|
for (i = 0; i < DAI_I2S_NUM; i++) {
|
|
i2s_priv = devm_kzalloc(afe->dev,
|
|
sizeof(struct mtk_afe_i2s_priv),
|
|
GFP_KERNEL);
|
|
if (!i2s_priv)
|
|
return -ENOMEM;
|
|
|
|
memcpy(i2s_priv,
|
|
&mt6768_i2s_priv[i],
|
|
sizeof(struct mtk_afe_i2s_priv));
|
|
|
|
afe_priv->dai_priv[mt6768_i2s_priv[i].id] = i2s_priv;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mt6768_dai_i2s_register(struct mtk_base_afe *afe)
|
|
{
|
|
struct mtk_base_afe_dai *dai = NULL;
|
|
int ret = 0;
|
|
|
|
dev_info(afe->dev, "%s()\n", __func__);
|
|
|
|
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_i2s_driver;
|
|
dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_i2s_driver);
|
|
|
|
dai->controls = mtk_dai_i2s_controls;
|
|
dai->num_controls = ARRAY_SIZE(mtk_dai_i2s_controls);
|
|
dai->dapm_widgets = mtk_dai_i2s_widgets;
|
|
dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_i2s_widgets);
|
|
dai->dapm_routes = mtk_dai_i2s_routes;
|
|
dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_i2s_routes);
|
|
|
|
/* set all dai i2s private data */
|
|
ret = mt6768_dai_i2s_set_priv(afe);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* parse share i2s */
|
|
ret = mt6768_dai_i2s_get_share(afe);
|
|
if (ret)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|