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Diffstat (limited to 'sound/soc/mediatek/mt6797/mt6797-dai-adda.c')
-rw-r--r--sound/soc/mediatek/mt6797/mt6797-dai-adda.c396
1 files changed, 396 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt6797/mt6797-dai-adda.c b/sound/soc/mediatek/mt6797/mt6797-dai-adda.c
new file mode 100644
index 0000000000000..ad083265ce944
--- /dev/null
+++ b/sound/soc/mediatek/mt6797/mt6797-dai-adda.c
@@ -0,0 +1,396 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI ADDA Control
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/regmap.h>
+#include <linux/delay.h>
+#include "mt6797-afe-common.h"
+#include "mt6797-interconnection.h"
+#include "mt6797-reg.h"
+
+enum {
+ MTK_AFE_ADDA_DL_RATE_8K = 0,
+ MTK_AFE_ADDA_DL_RATE_11K = 1,
+ MTK_AFE_ADDA_DL_RATE_12K = 2,
+ MTK_AFE_ADDA_DL_RATE_16K = 3,
+ MTK_AFE_ADDA_DL_RATE_22K = 4,
+ MTK_AFE_ADDA_DL_RATE_24K = 5,
+ MTK_AFE_ADDA_DL_RATE_32K = 6,
+ MTK_AFE_ADDA_DL_RATE_44K = 7,
+ MTK_AFE_ADDA_DL_RATE_48K = 8,
+ MTK_AFE_ADDA_DL_RATE_96K = 9,
+ MTK_AFE_ADDA_DL_RATE_192K = 10,
+};
+
+enum {
+ MTK_AFE_ADDA_UL_RATE_8K = 0,
+ MTK_AFE_ADDA_UL_RATE_16K = 1,
+ MTK_AFE_ADDA_UL_RATE_32K = 2,
+ MTK_AFE_ADDA_UL_RATE_48K = 3,
+ MTK_AFE_ADDA_UL_RATE_96K = 4,
+ MTK_AFE_ADDA_UL_RATE_192K = 5,
+ MTK_AFE_ADDA_UL_RATE_48K_HD = 6,
+};
+
+static unsigned int adda_dl_rate_transform(struct mtk_base_afe *afe,
+ unsigned int rate)
+{
+ switch (rate) {
+ case 8000:
+ return MTK_AFE_ADDA_DL_RATE_8K;
+ case 11025:
+ return MTK_AFE_ADDA_DL_RATE_11K;
+ case 12000:
+ return MTK_AFE_ADDA_DL_RATE_12K;
+ case 16000:
+ return MTK_AFE_ADDA_DL_RATE_16K;
+ case 22050:
+ return MTK_AFE_ADDA_DL_RATE_22K;
+ case 24000:
+ return MTK_AFE_ADDA_DL_RATE_24K;
+ case 32000:
+ return MTK_AFE_ADDA_DL_RATE_32K;
+ case 44100:
+ return MTK_AFE_ADDA_DL_RATE_44K;
+ case 48000:
+ return MTK_AFE_ADDA_DL_RATE_48K;
+ case 96000:
+ return MTK_AFE_ADDA_DL_RATE_96K;
+ case 192000:
+ return MTK_AFE_ADDA_DL_RATE_192K;
+ default:
+ dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+ __func__, rate);
+ return MTK_AFE_ADDA_DL_RATE_48K;
+ }
+}
+
+static unsigned int adda_ul_rate_transform(struct mtk_base_afe *afe,
+ unsigned int rate)
+{
+ switch (rate) {
+ case 8000:
+ return MTK_AFE_ADDA_UL_RATE_8K;
+ case 16000:
+ return MTK_AFE_ADDA_UL_RATE_16K;
+ case 32000:
+ return MTK_AFE_ADDA_UL_RATE_32K;
+ case 48000:
+ return MTK_AFE_ADDA_UL_RATE_48K;
+ case 96000:
+ return MTK_AFE_ADDA_UL_RATE_96K;
+ case 192000:
+ return MTK_AFE_ADDA_UL_RATE_192K;
+ default:
+ dev_warn(afe->dev, "%s(), rate %d invalid, use 48kHz!!!\n",
+ __func__, rate);
+ return MTK_AFE_ADDA_UL_RATE_48K;
+ }
+}
+
+/* dai component */
+static const struct snd_kcontrol_new mtk_adda_dl_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN3, I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN3, I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN3, I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN3,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN3,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN3,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN3,
+ I_PCM_2_CAP_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new mtk_adda_dl_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN4, I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN4, I_DL1_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN4, I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN4, I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN4, I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN4, I_DL3_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN4,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN4,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH1", AFE_CONN4,
+ I_PCM_1_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH1", AFE_CONN4,
+ I_PCM_2_CAP_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_1_CAP_CH2", AFE_CONN4,
+ I_PCM_1_CAP_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("PCM_2_CAP_CH2", AFE_CONN4,
+ I_PCM_2_CAP_CH2, 1, 0),
+};
+
+static int mtk_adda_ul_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol,
+ int event)
+{
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+
+ dev_dbg(afe->dev, "%s(), name %s, event 0x%x\n",
+ __func__, w->name, event);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMD:
+ /* should delayed 1/fs(smallest is 8k) = 125us before afe off */
+ usleep_range(125, 135);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+enum {
+ SUPPLY_SEQ_AUD_TOP_PDN,
+ SUPPLY_SEQ_ADDA_AFE_ON,
+ SUPPLY_SEQ_ADDA_DL_ON,
+ SUPPLY_SEQ_ADDA_UL_ON,
+};
+
+static const struct snd_soc_dapm_widget mtk_dai_adda_widgets[] = {
+ /* adda */
+ SND_SOC_DAPM_MIXER("ADDA_DL_CH1", SND_SOC_NOPM, 0, 0,
+ mtk_adda_dl_ch1_mix,
+ ARRAY_SIZE(mtk_adda_dl_ch1_mix)),
+ SND_SOC_DAPM_MIXER("ADDA_DL_CH2", SND_SOC_NOPM, 0, 0,
+ mtk_adda_dl_ch2_mix,
+ ARRAY_SIZE(mtk_adda_dl_ch2_mix)),
+
+ SND_SOC_DAPM_SUPPLY_S("ADDA Enable", SUPPLY_SEQ_ADDA_AFE_ON,
+ AFE_ADDA_UL_DL_CON0, ADDA_AFE_ON_SFT, 0,
+ NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY_S("ADDA Playback Enable", SUPPLY_SEQ_ADDA_DL_ON,
+ AFE_ADDA_DL_SRC2_CON0,
+ DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
+ NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY_S("ADDA Capture Enable", SUPPLY_SEQ_ADDA_UL_ON,
+ AFE_ADDA_UL_SRC_CON0,
+ UL_SRC_ON_TMP_CTL_SFT, 0,
+ mtk_adda_ul_event,
+ SND_SOC_DAPM_POST_PMD),
+
+ SND_SOC_DAPM_SUPPLY_S("aud_dac_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+ AUDIO_TOP_CON0, PDN_DAC_SFT, 1,
+ NULL, 0),
+ SND_SOC_DAPM_SUPPLY_S("aud_dac_predis_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+ AUDIO_TOP_CON0, PDN_DAC_PREDIS_SFT, 1,
+ NULL, 0),
+
+ SND_SOC_DAPM_SUPPLY_S("aud_adc_clk", SUPPLY_SEQ_AUD_TOP_PDN,
+ AUDIO_TOP_CON0, PDN_ADC_SFT, 1,
+ NULL, 0),
+
+ SND_SOC_DAPM_CLOCK_SUPPLY("mtkaif_26m_clk"),
+};
+
+static const struct snd_soc_dapm_route mtk_dai_adda_routes[] = {
+ /* playback */
+ {"ADDA_DL_CH1", "DL1_CH1", "DL1"},
+ {"ADDA_DL_CH2", "DL1_CH1", "DL1"},
+ {"ADDA_DL_CH2", "DL1_CH2", "DL1"},
+
+ {"ADDA_DL_CH1", "DL2_CH1", "DL2"},
+ {"ADDA_DL_CH2", "DL2_CH1", "DL2"},
+ {"ADDA_DL_CH2", "DL2_CH2", "DL2"},
+
+ {"ADDA_DL_CH1", "DL3_CH1", "DL3"},
+ {"ADDA_DL_CH2", "DL3_CH1", "DL3"},
+ {"ADDA_DL_CH2", "DL3_CH2", "DL3"},
+
+ {"ADDA Playback", NULL, "ADDA_DL_CH1"},
+ {"ADDA Playback", NULL, "ADDA_DL_CH2"},
+
+ /* adda enable */
+ {"ADDA Playback", NULL, "ADDA Enable"},
+ {"ADDA Playback", NULL, "ADDA Playback Enable"},
+ {"ADDA Capture", NULL, "ADDA Enable"},
+ {"ADDA Capture", NULL, "ADDA Capture Enable"},
+
+ /* clk */
+ {"ADDA Playback", NULL, "mtkaif_26m_clk"},
+ {"ADDA Playback", NULL, "aud_dac_clk"},
+ {"ADDA Playback", NULL, "aud_dac_predis_clk"},
+
+ {"ADDA Capture", NULL, "mtkaif_26m_clk"},
+ {"ADDA Capture", NULL, "aud_adc_clk"},
+};
+
+/* dai ops */
+static int mtk_dai_adda_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);
+
+ dev_dbg(afe->dev, "%s(), id %d, stream %d, rate %d\n",
+ __func__, dai->id, substream->stream, rate);
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ unsigned int dl_src2_con0 = 0;
+ unsigned int dl_src2_con1 = 0;
+
+ /* clean predistortion */
+ regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON0, 0);
+ regmap_write(afe->regmap, AFE_ADDA_PREDIS_CON1, 0);
+
+ /* set input sampling rate */
+ dl_src2_con0 = adda_dl_rate_transform(afe, rate) << 28;
+
+ /* set output mode */
+ switch (rate) {
+ case 192000:
+ dl_src2_con0 |= (0x1 << 24); /* UP_SAMPLING_RATE_X2 */
+ dl_src2_con0 |= 1 << 14;
+ break;
+ case 96000:
+ dl_src2_con0 |= (0x2 << 24); /* UP_SAMPLING_RATE_X4 */
+ dl_src2_con0 |= 1 << 14;
+ break;
+ default:
+ dl_src2_con0 |= (0x3 << 24); /* UP_SAMPLING_RATE_X8 */
+ break;
+ }
+
+ /* turn off mute function */
+ dl_src2_con0 |= (0x03 << 11);
+
+ /* set voice input data if input sample rate is 8k or 16k */
+ if (rate == 8000 || rate == 16000)
+ dl_src2_con0 |= 0x01 << 5;
+
+ if (rate < 96000) {
+ /* SA suggest apply -0.3db to audio/speech path */
+ dl_src2_con1 = 0xf74f0000;
+ } else {
+ /* SA suggest apply -0.3db to audio/speech path
+ * with DL gain set to half,
+ * 0xFFFF = 0dB -> 0x8000 = 0dB when 96k, 192k
+ */
+ dl_src2_con1 = 0x7ba70000;
+ }
+
+ /* turn on down-link gain */
+ dl_src2_con0 = dl_src2_con0 | (0x01 << 1);
+
+ regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON0, dl_src2_con0);
+ regmap_write(afe->regmap, AFE_ADDA_DL_SRC2_CON1, dl_src2_con1);
+ } else {
+ unsigned int voice_mode = 0;
+ unsigned int ul_src_con0 = 0; /* default value */
+
+ /* Using Internal ADC */
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_TOP_CON0,
+ 0x1 << 0,
+ 0x0 << 0);
+
+ voice_mode = adda_ul_rate_transform(afe, rate);
+
+ ul_src_con0 |= (voice_mode << 17) & (0x7 << 17);
+
+ /* up8x txif sat on */
+ regmap_write(afe->regmap, AFE_ADDA_NEWIF_CFG0, 0x03F87201);
+
+ if (rate >= 96000) { /* hires */
+ /* use hires format [1 0 23] */
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_NEWIF_CFG0,
+ 0x1 << 5,
+ 0x1 << 5);
+
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_NEWIF_CFG2,
+ 0xf << 28,
+ voice_mode << 28);
+ } else { /* normal 8~48k */
+ /* use fixed 260k anc path */
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_NEWIF_CFG2,
+ 0xf << 28,
+ 8 << 28);
+
+ /* ul_use_cic_out */
+ ul_src_con0 |= 0x1 << 20;
+ }
+
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_NEWIF_CFG2,
+ 0xf << 28,
+ 8 << 28);
+
+ regmap_update_bits(afe->regmap,
+ AFE_ADDA_UL_SRC_CON0,
+ 0xfffffffe,
+ ul_src_con0);
+ }
+
+ return 0;
+}
+
+static const struct snd_soc_dai_ops mtk_dai_adda_ops = {
+ .hw_params = mtk_dai_adda_hw_params,
+};
+
+/* dai driver */
+#define MTK_ADDA_PLAYBACK_RATES (SNDRV_PCM_RATE_8000_48000 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_CAPTURE_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 |\
+ SNDRV_PCM_RATE_48000 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_192000)
+
+#define MTK_ADDA_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mtk_dai_adda_driver[] = {
+ {
+ .name = "ADDA",
+ .id = MT6797_DAI_ADDA,
+ .playback = {
+ .stream_name = "ADDA Playback",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_ADDA_PLAYBACK_RATES,
+ .formats = MTK_ADDA_FORMATS,
+ },
+ .capture = {
+ .stream_name = "ADDA Capture",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_ADDA_CAPTURE_RATES,
+ .formats = MTK_ADDA_FORMATS,
+ },
+ .ops = &mtk_dai_adda_ops,
+ },
+};
+
+int mt6797_dai_adda_register(struct mtk_base_afe *afe)
+{
+ int id = MT6797_DAI_ADDA;
+
+ afe->sub_dais[id].dai_drivers = mtk_dai_adda_driver;
+ afe->sub_dais[id].num_dai_drivers = ARRAY_SIZE(mtk_dai_adda_driver);
+
+ afe->sub_dais[id].dapm_widgets = mtk_dai_adda_widgets;
+ afe->sub_dais[id].num_dapm_widgets = ARRAY_SIZE(mtk_dai_adda_widgets);
+ afe->sub_dais[id].dapm_routes = mtk_dai_adda_routes;
+ afe->sub_dais[id].num_dapm_routes = ARRAY_SIZE(mtk_dai_adda_routes);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-28 06:57:06 +0000