403 lines
11 KiB
C
403 lines
11 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// MediaTek ALSA SoC Audio DAI ADDA Control
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//
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// Copyright (c) 2018 MediaTek Inc.
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// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
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#include <linux/regmap.h>
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#include <linux/delay.h>
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#include "mt6797-afe-common.h"
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#include "mt6797-interconnection.h"
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#include "mt6797-reg.h"
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enum {
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MTK_AFE_ADDA_DL_RATE_8K = 0,
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MTK_AFE_ADDA_DL_RATE_11K = 1,
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MTK_AFE_ADDA_DL_RATE_12K = 2,
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MTK_AFE_ADDA_DL_RATE_16K = 3,
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MTK_AFE_ADDA_DL_RATE_22K = 4,
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MTK_AFE_ADDA_DL_RATE_24K = 5,
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MTK_AFE_ADDA_DL_RATE_32K = 6,
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MTK_AFE_ADDA_DL_RATE_44K = 7,
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MTK_AFE_ADDA_DL_RATE_48K = 8,
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MTK_AFE_ADDA_DL_RATE_96K = 9,
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MTK_AFE_ADDA_DL_RATE_192K = 10,
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};
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enum {
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MTK_AFE_ADDA_UL_RATE_8K = 0,
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MTK_AFE_ADDA_UL_RATE_16K = 1,
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MTK_AFE_ADDA_UL_RATE_32K = 2,
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MTK_AFE_ADDA_UL_RATE_48K = 3,
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MTK_AFE_ADDA_UL_RATE_96K = 4,
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MTK_AFE_ADDA_UL_RATE_192K = 5,
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MTK_AFE_ADDA_UL_RATE_48K_HD = 6,
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};
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static unsigned int adda_dl_rate_transform(struct mtk_base_afe *afe,
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unsigned int rate)
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{
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switch (rate) {
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case 8000:
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return MTK_AFE_ADDA_DL_RATE_8K;
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case 11025:
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return MTK_AFE_ADDA_DL_RATE_11K;
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case 12000:
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return MTK_AFE_ADDA_DL_RATE_12K;
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case 16000:
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return MTK_AFE_ADDA_DL_RATE_16K;
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case 22050:
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return MTK_AFE_ADDA_DL_RATE_22K;
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case 24000:
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return MTK_AFE_ADDA_DL_RATE_24K;
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case 32000:
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return MTK_AFE_ADDA_DL_RATE_32K;
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case 44100:
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return MTK_AFE_ADDA_DL_RATE_44K;
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case 48000:
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return MTK_AFE_ADDA_DL_RATE_48K;
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case 96000:
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return MTK_AFE_ADDA_DL_RATE_96K;
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case 192000:
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return MTK_AFE_ADDA_DL_RATE_192K;
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default:
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dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
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__func__, rate);
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return MTK_AFE_ADDA_DL_RATE_48K;
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}
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}
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static unsigned int adda_ul_rate_transform(struct mtk_base_afe *afe,
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unsigned int rate)
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{
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switch (rate) {
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case 8000:
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return MTK_AFE_ADDA_UL_RATE_8K;
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case 16000:
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return MTK_AFE_ADDA_UL_RATE_16K;
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case 32000:
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return MTK_AFE_ADDA_UL_RATE_32K;
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case 48000:
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return MTK_AFE_ADDA_UL_RATE_48K;
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case 96000:
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return MTK_AFE_ADDA_UL_RATE_96K;
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case 192000:
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return MTK_AFE_ADDA_UL_RATE_192K;
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default:
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dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
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__func__, rate);
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return MTK_AFE_ADDA_UL_RATE_48K;
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}
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}
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/* dai component */
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static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3,
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I_ADDA_UL_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3,
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I_ADDA_UL_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN3,
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I_PCM_1_CAP_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN3,
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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_adda_dl_ch2_mix[] = {
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4,
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I_ADDA_UL_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4,
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I_ADDA_UL_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN4,
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I_PCM_1_CAP_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN4,
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I_PCM_2_CAP_CH1, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN4,
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I_PCM_1_CAP_CH2, 1, 0),
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SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN4,
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I_PCM_2_CAP_CH2, 1, 0),
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};
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static int mtk_adda_ul_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_dbg(afe->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_POST_PMD:
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/* should delayed 1/fs(smallest is 8k) = 125us before afe off */
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usleep_range(125, 135);
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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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enum {
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SUPPLY_SEQ_AUD_TOP_PDN,
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SUPPLY_SEQ_ADDA_AFE_ON,
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SUPPLY_SEQ_ADDA_DL_ON,
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SUPPLY_SEQ_ADDA_UL_ON,
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};
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static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
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/* adda */
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SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0,
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mtk_adda_dl_ch1_mix,
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ARRAY_SIZE(mtk_adda_dl_ch1_mix)),
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SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0,
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mtk_adda_dl_ch2_mix,
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ARRAY_SIZE(mtk_adda_dl_ch2_mix)),
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SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
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AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0,
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NULL, 0),
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SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
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AFE_ADDA_DL_SRC2_CON0,
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DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
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NULL, 0),
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SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
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AFE_ADDA_UL_SRC_CON0,
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UL_SRC_ON_TMP_CTL_SFT, 0,
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mtk_adda_ul_event,
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SND_SOC_DAPM_POST_PMD),
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SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN,
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AUDIO_TOP_CON0, PDN_DAC_SFT, 1,
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NULL, 0),
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SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN,
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AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1,
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NULL, 0),
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SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN,
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AUDIO_TOP_CON0, PDN_ADC_SFT, 1,
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NULL, 0),
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SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"),
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};
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static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
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/* playback */
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{"ADDA_DL_CH1", "DL1_CH1", "DL1"},
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{"ADDA_DL_CH2", "DL1_CH1", "DL1"},
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{"ADDA_DL_CH2", "DL1_CH2", "DL1"},
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{"ADDA_DL_CH1", "DL2_CH1", "DL2"},
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{"ADDA_DL_CH2", "DL2_CH1", "DL2"},
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{"ADDA_DL_CH2", "DL2_CH2", "DL2"},
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{"ADDA_DL_CH1", "DL3_CH1", "DL3"},
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{"ADDA_DL_CH2", "DL3_CH1", "DL3"},
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{"ADDA_DL_CH2", "DL3_CH2", "DL3"},
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{"ADDA Playback", NULL, "ADDA_DL_CH1"},
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{"ADDA Playback", NULL, "ADDA_DL_CH2"},
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/* adda enable */
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{"ADDA Playback", NULL, "ADDA Enable"},
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{"ADDA Playback", NULL, "ADDA Playback Enable"},
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{"ADDA Capture", NULL, "ADDA Enable"},
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{"ADDA Capture", NULL, "ADDA Capture Enable"},
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/* clk */
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{"ADDA Playback", NULL, "mtkaif_26m_clk"},
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{"ADDA Playback", NULL, "aud_dac_clk"},
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{"ADDA Playback", NULL, "aud_dac_predis_clk"},
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{"ADDA Capture", NULL, "mtkaif_26m_clk"},
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{"ADDA Capture", NULL, "aud_adc_clk"},
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};
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/* dai ops */
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static int mtk_dai_adda_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params,
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struct snd_soc_dai *dai)
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{
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struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
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unsigned int rate = params_rate(params);
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dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
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__func__, dai->id, substream->stream, rate);
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
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unsigned int dl_src2_con0 = 0;
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unsigned int dl_src2_con1 = 0;
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/* clean predistortion */
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regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0);
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regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0);
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/* set input sampling rate */
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dl_src2_con0 = adda_dl_rate_transform(afe, rate) << 28;
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/* set output mode */
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switch (rate) {
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case 192000:
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dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */
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dl_src2_con0 |= 1 << 14;
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break;
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case 96000:
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dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */
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dl_src2_con0 |= 1 << 14;
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break;
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default:
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dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */
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break;
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}
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/* turn off mute function */
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dl_src2_con0 |= (0x03 << 11);
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/* set voice input data if input sample rate is 8k or 16k */
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if (rate == 8000 || rate == 16000)
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dl_src2_con0 |= 0x01 << 5;
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if (rate < 96000) {
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/* SA suggest apply -0.3db to audio/speech path */
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dl_src2_con1 = 0xf74f0000;
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} else {
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/* SA suggest apply -0.3db to audio/speech path
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* with DL gain set to half,
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* 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k
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*/
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dl_src2_con1 = 0x7ba70000;
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}
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/* turn on down-link gain */
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dl_src2_con0 = dl_src2_con0 | (0x01 << 1);
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regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0);
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regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1);
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} else {
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unsigned int voice_mode = 0;
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unsigned int ul_src_con0 = 0; /* default value */
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/* Using Internal ADC */
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regmap_update_bits(afe->regmap,
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AFE_ADDA_TOP_CON0,
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0x1 << 0,
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0x0 << 0);
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voice_mode = adda_ul_rate_transform(afe, rate);
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ul_src_con0 |= (voice_mode << 17) & (0x7 << 17);
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/* up8x txif sat on */
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regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201);
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if (rate >= 96000) { /* hires */
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/* use hires format [1 0 23] */
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regmap_update_bits(afe->regmap,
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AFE_ADDA_NEWIF_CFG0,
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0x1 << 5,
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0x1 << 5);
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regmap_update_bits(afe->regmap,
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AFE_ADDA_NEWIF_CFG2,
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0xf << 28,
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voice_mode << 28);
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} else { /* normal 8~48k */
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/* use fixed 260k anc path */
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regmap_update_bits(afe->regmap,
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AFE_ADDA_NEWIF_CFG2,
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0xf << 28,
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8 << 28);
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/* ul_use_cic_out */
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ul_src_con0 |= 0x1 << 20;
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}
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regmap_update_bits(afe->regmap,
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AFE_ADDA_NEWIF_CFG2,
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0xf << 28,
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8 << 28);
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regmap_update_bits(afe->regmap,
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AFE_ADDA_UL_SRC_CON0,
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0xfffffffe,
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ul_src_con0);
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}
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return 0;
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}
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static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
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.hw_params = mtk_dai_adda_hw_params,
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};
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/* dai driver */
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#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
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SNDRV_PCM_RATE_96000 |\
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SNDRV_PCM_RATE_192000)
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#define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
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SNDRV_PCM_RATE_16000 |\
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SNDRV_PCM_RATE_32000 |\
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SNDRV_PCM_RATE_48000 |\
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SNDRV_PCM_RATE_96000 |\
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SNDRV_PCM_RATE_192000)
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#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
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SNDRV_PCM_FMTBIT_S24_LE |\
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SNDRV_PCM_FMTBIT_S32_LE)
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static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
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{
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.name = "ADDA",
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.id = MT6797_DAI_ADDA,
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.playback = {
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.stream_name = "ADDA Playback",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_ADDA_PLAYBACK_RATES,
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.formats = MTK_ADDA_FORMATS,
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},
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.capture = {
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.stream_name = "ADDA Capture",
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.channels_min = 1,
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.channels_max = 2,
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.rates = MTK_ADDA_CAPTURE_RATES,
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.formats = MTK_ADDA_FORMATS,
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},
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.ops = &mtk_dai_adda_ops,
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},
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};
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int mt6797_dai_adda_register(struct mtk_base_afe *afe)
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{
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struct mtk_base_afe_dai *dai;
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dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);
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if (!dai)
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return -ENOMEM;
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list_add(&dai->list, &afe->sub_dais);
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dai->dai_drivers = mtk_dai_adda_driver;
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dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
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dai->dapm_widgets = mtk_dai_adda_widgets;
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dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
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dai->dapm_routes = mtk_dai_adda_routes;
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dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
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return 0;
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}
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