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-rw-r--r--sound/soc/mediatek/mt8183/mt8183-afe-pcm.c979
1 files changed, 979 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c b/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c
new file mode 100644
index 000000000000..a7fef772760a
--- /dev/null
+++ b/sound/soc/mediatek/mt8183/mt8183-afe-pcm.c
@@ -0,0 +1,979 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Mediatek ALSA SoC AFE platform driver for 8183
+//
+// Copyright (c) 2018 MediaTek Inc.
+// Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
+
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/of_address.h>
+#include <linux/of_reserved_mem.h>
+#include <linux/pm_runtime.h>
+#include <linux/reset.h>
+
+#include "mt8183-afe-common.h"
+#include "mt8183-afe-clk.h"
+#include "mt8183-interconnection.h"
+#include "mt8183-reg.h"
+#include "../common/mtk-afe-platform-driver.h"
+#include "../common/mtk-afe-fe-dai.h"
+
+enum {
+ MTK_AFE_RATE_8K = 0,
+ MTK_AFE_RATE_11K = 1,
+ MTK_AFE_RATE_12K = 2,
+ MTK_AFE_RATE_384K = 3,
+ MTK_AFE_RATE_16K = 4,
+ MTK_AFE_RATE_22K = 5,
+ MTK_AFE_RATE_24K = 6,
+ MTK_AFE_RATE_130K = 7,
+ MTK_AFE_RATE_32K = 8,
+ MTK_AFE_RATE_44K = 9,
+ MTK_AFE_RATE_48K = 10,
+ MTK_AFE_RATE_88K = 11,
+ MTK_AFE_RATE_96K = 12,
+ MTK_AFE_RATE_176K = 13,
+ MTK_AFE_RATE_192K = 14,
+ MTK_AFE_RATE_260K = 15,
+};
+
+enum {
+ MTK_AFE_DAI_MEMIF_RATE_8K = 0,
+ MTK_AFE_DAI_MEMIF_RATE_16K = 1,
+ MTK_AFE_DAI_MEMIF_RATE_32K = 2,
+ MTK_AFE_DAI_MEMIF_RATE_48K = 3,
+};
+
+enum {
+ MTK_AFE_PCM_RATE_8K = 0,
+ MTK_AFE_PCM_RATE_16K = 1,
+ MTK_AFE_PCM_RATE_32K = 2,
+ MTK_AFE_PCM_RATE_48K = 3,
+};
+
+unsigned int mt8183_general_rate_transform(struct device *dev,
+ unsigned int rate)
+{
+ switch (rate) {
+ case 8000:
+ return MTK_AFE_RATE_8K;
+ case 11025:
+ return MTK_AFE_RATE_11K;
+ case 12000:
+ return MTK_AFE_RATE_12K;
+ case 16000:
+ return MTK_AFE_RATE_16K;
+ case 22050:
+ return MTK_AFE_RATE_22K;
+ case 24000:
+ return MTK_AFE_RATE_24K;
+ case 32000:
+ return MTK_AFE_RATE_32K;
+ case 44100:
+ return MTK_AFE_RATE_44K;
+ case 48000:
+ return MTK_AFE_RATE_48K;
+ case 88200:
+ return MTK_AFE_RATE_88K;
+ case 96000:
+ return MTK_AFE_RATE_96K;
+ case 130000:
+ return MTK_AFE_RATE_130K;
+ case 176400:
+ return MTK_AFE_RATE_176K;
+ case 192000:
+ return MTK_AFE_RATE_192K;
+ case 260000:
+ return MTK_AFE_RATE_260K;
+ default:
+ dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+ __func__, rate, MTK_AFE_RATE_48K);
+ return MTK_AFE_RATE_48K;
+ }
+}
+
+static unsigned int dai_memif_rate_transform(struct device *dev,
+ unsigned int rate)
+{
+ switch (rate) {
+ case 8000:
+ return MTK_AFE_DAI_MEMIF_RATE_8K;
+ case 16000:
+ return MTK_AFE_DAI_MEMIF_RATE_16K;
+ case 32000:
+ return MTK_AFE_DAI_MEMIF_RATE_32K;
+ case 48000:
+ return MTK_AFE_DAI_MEMIF_RATE_48K;
+ default:
+ dev_warn(dev, "%s(), rate %u invalid, use %d!!!\n",
+ __func__, rate, MTK_AFE_DAI_MEMIF_RATE_16K);
+ return MTK_AFE_DAI_MEMIF_RATE_16K;
+ }
+}
+
+unsigned int mt8183_rate_transform(struct device *dev,
+ unsigned int rate, int aud_blk)
+{
+ switch (aud_blk) {
+ case MT8183_MEMIF_MOD_DAI:
+ return dai_memif_rate_transform(dev, rate);
+ default:
+ return mt8183_general_rate_transform(dev, rate);
+ }
+}
+
+static const struct snd_pcm_hardware mt8183_afe_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_MMAP_VALID,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .period_bytes_min = 256,
+ .period_bytes_max = 4 * 48 * 1024,
+ .periods_min = 2,
+ .periods_max = 256,
+ .buffer_bytes_max = 8 * 48 * 1024,
+ .fifo_size = 0,
+};
+
+static int mt8183_memif_fs(struct snd_pcm_substream *substream,
+ unsigned int rate)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_component *component =
+ snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+ int id = snd_soc_rtd_to_cpu(rtd, 0)->id;
+
+ return mt8183_rate_transform(afe->dev, rate, id);
+}
+
+static int mt8183_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
+{
+ struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
+ struct snd_soc_component *component =
+ snd_soc_rtdcom_lookup(rtd, AFE_PCM_NAME);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
+
+ return mt8183_general_rate_transform(afe->dev, rate);
+}
+
+#define MTK_PCM_RATES (SNDRV_PCM_RATE_8000_48000 |\
+ SNDRV_PCM_RATE_88200 |\
+ SNDRV_PCM_RATE_96000 |\
+ SNDRV_PCM_RATE_176400 |\
+ SNDRV_PCM_RATE_192000)
+
+#define MTK_PCM_DAI_RATES (SNDRV_PCM_RATE_8000 |\
+ SNDRV_PCM_RATE_16000 |\
+ SNDRV_PCM_RATE_32000 |\
+ SNDRV_PCM_RATE_48000)
+
+#define MTK_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE |\
+ SNDRV_PCM_FMTBIT_S24_LE |\
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+static struct snd_soc_dai_driver mt8183_memif_dai_driver[] = {
+ /* FE DAIs: memory intefaces to CPU */
+ {
+ .name = "DL1",
+ .id = MT8183_MEMIF_DL1,
+ .playback = {
+ .stream_name = "DL1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "DL2",
+ .id = MT8183_MEMIF_DL2,
+ .playback = {
+ .stream_name = "DL2",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "DL3",
+ .id = MT8183_MEMIF_DL3,
+ .playback = {
+ .stream_name = "DL3",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL1",
+ .id = MT8183_MEMIF_VUL12,
+ .capture = {
+ .stream_name = "UL1",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL2",
+ .id = MT8183_MEMIF_AWB,
+ .capture = {
+ .stream_name = "UL2",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL3",
+ .id = MT8183_MEMIF_VUL2,
+ .capture = {
+ .stream_name = "UL3",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL4",
+ .id = MT8183_MEMIF_AWB2,
+ .capture = {
+ .stream_name = "UL4",
+ .channels_min = 1,
+ .channels_max = 2,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "UL_MONO_1",
+ .id = MT8183_MEMIF_MOD_DAI,
+ .capture = {
+ .stream_name = "UL_MONO_1",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = MTK_PCM_DAI_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+ {
+ .name = "HDMI",
+ .id = MT8183_MEMIF_HDMI,
+ .playback = {
+ .stream_name = "HDMI",
+ .channels_min = 2,
+ .channels_max = 8,
+ .rates = MTK_PCM_RATES,
+ .formats = MTK_PCM_FORMATS,
+ },
+ .ops = &mtk_afe_fe_ops,
+ },
+};
+
+/* dma widget & routes*/
+static const struct snd_kcontrol_new memif_ul1_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN21,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH1", AFE_CONN21,
+ I_I2S0_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul1_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN22,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S0_CH2", AFE_CONN21,
+ I_I2S0_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul2_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN5,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH1", AFE_CONN5,
+ I_DL1_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH1", AFE_CONN5,
+ I_DL2_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH1", AFE_CONN5,
+ I_DL3_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN5,
+ I_I2S2_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul2_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN6,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL1_CH2", AFE_CONN6,
+ I_DL1_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL2_CH2", AFE_CONN6,
+ I_DL2_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("DL3_CH2", AFE_CONN6,
+ I_DL3_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN6,
+ I_I2S2_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul3_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN32,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH1", AFE_CONN32,
+ I_I2S2_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul3_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN33,
+ I_ADDA_UL_CH2, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("I2S2_CH2", AFE_CONN33,
+ I_I2S2_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul4_ch1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN38,
+ I_ADDA_UL_CH1, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul4_ch2_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN39,
+ I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_kcontrol_new memif_ul_mono_1_mix[] = {
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH1", AFE_CONN12,
+ I_ADDA_UL_CH1, 1, 0),
+ SOC_DAPM_SINGLE_AUTODISABLE("ADDA_UL_CH2", AFE_CONN12,
+ I_ADDA_UL_CH2, 1, 0),
+};
+
+static const struct snd_soc_dapm_widget mt8183_memif_widgets[] = {
+ /* memif */
+ SND_SOC_DAPM_MIXER("UL1_CH1", SND_SOC_NOPM, 0, 0,
+ memif_ul1_ch1_mix, ARRAY_SIZE(memif_ul1_ch1_mix)),
+ SND_SOC_DAPM_MIXER("UL1_CH2", SND_SOC_NOPM, 0, 0,
+ memif_ul1_ch2_mix, ARRAY_SIZE(memif_ul1_ch2_mix)),
+
+ SND_SOC_DAPM_MIXER("UL2_CH1", SND_SOC_NOPM, 0, 0,
+ memif_ul2_ch1_mix, ARRAY_SIZE(memif_ul2_ch1_mix)),
+ SND_SOC_DAPM_MIXER("UL2_CH2", SND_SOC_NOPM, 0, 0,
+ memif_ul2_ch2_mix, ARRAY_SIZE(memif_ul2_ch2_mix)),
+
+ SND_SOC_DAPM_MIXER("UL3_CH1", SND_SOC_NOPM, 0, 0,
+ memif_ul3_ch1_mix, ARRAY_SIZE(memif_ul3_ch1_mix)),
+ SND_SOC_DAPM_MIXER("UL3_CH2", SND_SOC_NOPM, 0, 0,
+ memif_ul3_ch2_mix, ARRAY_SIZE(memif_ul3_ch2_mix)),
+
+ SND_SOC_DAPM_MIXER("UL4_CH1", SND_SOC_NOPM, 0, 0,
+ memif_ul4_ch1_mix, ARRAY_SIZE(memif_ul4_ch1_mix)),
+ SND_SOC_DAPM_MIXER("UL4_CH2", SND_SOC_NOPM, 0, 0,
+ memif_ul4_ch2_mix, ARRAY_SIZE(memif_ul4_ch2_mix)),
+
+ SND_SOC_DAPM_MIXER("UL_MONO_1_CH1", SND_SOC_NOPM, 0, 0,
+ memif_ul_mono_1_mix,
+ ARRAY_SIZE(memif_ul_mono_1_mix)),
+};
+
+static const struct snd_soc_dapm_route mt8183_memif_routes[] = {
+ /* capture */
+ {"UL1", NULL, "UL1_CH1"},
+ {"UL1", NULL, "UL1_CH2"},
+ {"UL1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+ {"UL1_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+ {"UL1_CH1", "I2S0_CH1", "I2S0"},
+ {"UL1_CH2", "I2S0_CH2", "I2S0"},
+
+ {"UL2", NULL, "UL2_CH1"},
+ {"UL2", NULL, "UL2_CH2"},
+ {"UL2_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+ {"UL2_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+ {"UL2_CH1", "I2S2_CH1", "I2S2"},
+ {"UL2_CH2", "I2S2_CH2", "I2S2"},
+
+ {"UL3", NULL, "UL3_CH1"},
+ {"UL3", NULL, "UL3_CH2"},
+ {"UL3_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+ {"UL3_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+ {"UL3_CH1", "I2S2_CH1", "I2S2"},
+ {"UL3_CH2", "I2S2_CH2", "I2S2"},
+
+ {"UL4", NULL, "UL4_CH1"},
+ {"UL4", NULL, "UL4_CH2"},
+ {"UL4_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+ {"UL4_CH2", "ADDA_UL_CH2", "ADDA Capture"},
+
+ {"UL_MONO_1", NULL, "UL_MONO_1_CH1"},
+ {"UL_MONO_1_CH1", "ADDA_UL_CH1", "ADDA Capture"},
+ {"UL_MONO_1_CH1", "ADDA_UL_CH2", "ADDA Capture"},
+};
+
+static const struct snd_soc_component_driver mt8183_afe_pcm_dai_component = {
+ .name = "mt8183-afe-pcm-dai",
+};
+
+#define MT8183_MEMIF_BASE(_id, _en_reg, _fs_reg, _mono_reg) \
+ [MT8183_MEMIF_##_id] = { \
+ .name = #_id, \
+ .id = MT8183_MEMIF_##_id, \
+ .reg_ofs_base = AFE_##_id##_BASE, \
+ .reg_ofs_cur = AFE_##_id##_CUR, \
+ .reg_ofs_end = AFE_##_id##_END, \
+ .reg_ofs_base_msb = AFE_##_id##_BASE_MSB, \
+ .reg_ofs_cur_msb = AFE_##_id##_CUR_MSB, \
+ .reg_ofs_end_msb = AFE_##_id##_END_MSB, \
+ .fs_reg = (_fs_reg), \
+ .fs_shift = _id##_MODE_SFT, \
+ .fs_maskbit = _id##_MODE_MASK, \
+ .mono_reg = (_mono_reg), \
+ .mono_shift = _id##_DATA_SFT, \
+ .enable_reg = (_en_reg), \
+ .enable_shift = _id##_ON_SFT, \
+ .hd_reg = AFE_MEMIF_HD_MODE, \
+ .hd_align_reg = AFE_MEMIF_HDALIGN, \
+ .hd_shift = _id##_HD_SFT, \
+ .hd_align_mshift = _id##_HD_ALIGN_SFT, \
+ .agent_disable_reg = -1, \
+ .agent_disable_shift = -1, \
+ .msb_reg = -1, \
+ .msb_shift = -1, \
+ }
+
+#define MT8183_MEMIF(_id, _fs_reg, _mono_reg) \
+ MT8183_MEMIF_BASE(_id, AFE_DAC_CON0, _fs_reg, _mono_reg)
+
+/* For convenience with macros: missing register fields */
+#define MOD_DAI_DATA_SFT -1
+#define HDMI_MODE_SFT -1
+#define HDMI_MODE_MASK -1
+#define HDMI_DATA_SFT -1
+#define HDMI_ON_SFT -1
+
+/* For convenience with macros: register name differences */
+#define AFE_VUL12_BASE AFE_VUL_D2_BASE
+#define AFE_VUL12_CUR AFE_VUL_D2_CUR
+#define AFE_VUL12_END AFE_VUL_D2_END
+#define AFE_VUL12_BASE_MSB AFE_VUL_D2_BASE_MSB
+#define AFE_VUL12_CUR_MSB AFE_VUL_D2_CUR_MSB
+#define AFE_VUL12_END_MSB AFE_VUL_D2_END_MSB
+#define AWB2_HD_ALIGN_SFT AWB2_ALIGN_SFT
+#define VUL12_DATA_SFT VUL12_MONO_SFT
+#define AFE_HDMI_BASE AFE_HDMI_OUT_BASE
+#define AFE_HDMI_CUR AFE_HDMI_OUT_CUR
+#define AFE_HDMI_END AFE_HDMI_OUT_END
+#define AFE_HDMI_BASE_MSB AFE_HDMI_OUT_BASE_MSB
+#define AFE_HDMI_CUR_MSB AFE_HDMI_OUT_CUR_MSB
+#define AFE_HDMI_END_MSB AFE_HDMI_OUT_END_MSB
+
+static const struct mtk_base_memif_data memif_data[MT8183_MEMIF_NUM] = {
+ MT8183_MEMIF(DL1, AFE_DAC_CON1, AFE_DAC_CON1),
+ MT8183_MEMIF(DL2, AFE_DAC_CON1, AFE_DAC_CON1),
+ MT8183_MEMIF(DL3, AFE_DAC_CON2, AFE_DAC_CON1),
+ MT8183_MEMIF(VUL2, AFE_DAC_CON2, AFE_DAC_CON2),
+ MT8183_MEMIF(AWB, AFE_DAC_CON1, AFE_DAC_CON1),
+ MT8183_MEMIF(AWB2, AFE_DAC_CON2, AFE_DAC_CON2),
+ MT8183_MEMIF(VUL12, AFE_DAC_CON0, AFE_DAC_CON0),
+ MT8183_MEMIF(MOD_DAI, AFE_DAC_CON1, -1),
+ /* enable control in tdm for sync start */
+ MT8183_MEMIF_BASE(HDMI, -1, -1, -1),
+};
+
+#define MT8183_AFE_IRQ_BASE(_id, _fs_reg, _fs_shift, _fs_maskbit) \
+ [MT8183_IRQ_##_id] = { \
+ .id = MT8183_IRQ_##_id, \
+ .irq_cnt_reg = AFE_IRQ_MCU_CNT##_id, \
+ .irq_cnt_shift = 0, \
+ .irq_cnt_maskbit = 0x3ffff, \
+ .irq_fs_reg = _fs_reg, \
+ .irq_fs_shift = _fs_shift, \
+ .irq_fs_maskbit = _fs_maskbit, \
+ .irq_en_reg = AFE_IRQ_MCU_CON0, \
+ .irq_en_shift = IRQ##_id##_MCU_ON_SFT, \
+ .irq_clr_reg = AFE_IRQ_MCU_CLR, \
+ .irq_clr_shift = IRQ##_id##_MCU_CLR_SFT, \
+ }
+
+#define MT8183_AFE_IRQ(_id) \
+ MT8183_AFE_IRQ_BASE(_id, AFE_IRQ_MCU_CON1 + _id / 8 * 4, \
+ IRQ##_id##_MCU_MODE_SFT, \
+ IRQ##_id##_MCU_MODE_MASK)
+
+#define MT8183_AFE_IRQ_NOFS(_id) MT8183_AFE_IRQ_BASE(_id, -1, -1, -1)
+
+static const struct mtk_base_irq_data irq_data[MT8183_IRQ_NUM] = {
+ MT8183_AFE_IRQ(0),
+ MT8183_AFE_IRQ(1),
+ MT8183_AFE_IRQ(2),
+ MT8183_AFE_IRQ(3),
+ MT8183_AFE_IRQ(4),
+ MT8183_AFE_IRQ(5),
+ MT8183_AFE_IRQ(6),
+ MT8183_AFE_IRQ(7),
+ MT8183_AFE_IRQ_NOFS(8),
+ MT8183_AFE_IRQ(11),
+ MT8183_AFE_IRQ(12),
+};
+
+static bool mt8183_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+ /* these auto-gen reg has read-only bit, so put it as volatile */
+ /* volatile reg cannot be cached, so cannot be set when power off */
+ switch (reg) {
+ case AUDIO_TOP_CON0 ... AUDIO_TOP_CON1: /* reg bit controlled by CCF */
+ case AUDIO_TOP_CON3:
+ case AFE_DL1_CUR ... AFE_DL1_END:
+ case AFE_DL2_CUR ... AFE_DL2_END:
+ case AFE_AWB_END ... AFE_AWB_CUR:
+ case AFE_VUL_END ... AFE_VUL_CUR:
+ case AFE_MEMIF_MON0 ... AFE_MEMIF_MON9:
+ case AFE_ADDA_SRC_DEBUG_MON0 ... AFE_ADDA_SRC_DEBUG_MON1:
+ case AFE_ADDA_UL_SRC_MON0 ... AFE_ADDA_UL_SRC_MON1:
+ case AFE_SIDETONE_MON:
+ case AFE_SIDETONE_CON0 ... AFE_SIDETONE_COEFF:
+ case AFE_BUS_MON0:
+ case AFE_MRGIF_MON0 ... AFE_I2S_MON:
+ case AFE_DAC_MON:
+ case AFE_VUL2_END ... AFE_VUL2_CUR:
+ case AFE_IRQ0_MCU_CNT_MON ... AFE_IRQ6_MCU_CNT_MON:
+ case AFE_MOD_DAI_END ... AFE_MOD_DAI_CUR:
+ case AFE_VUL_D2_END ... AFE_VUL_D2_CUR:
+ case AFE_DL3_CUR ... AFE_DL3_END:
+ case AFE_HDMI_OUT_CON0:
+ case AFE_HDMI_OUT_CUR ... AFE_HDMI_OUT_END:
+ case AFE_IRQ3_MCU_CNT_MON... AFE_IRQ4_MCU_CNT_MON:
+ case AFE_IRQ_MCU_STATUS ... AFE_IRQ_MCU_CLR:
+ case AFE_IRQ_MCU_MON2:
+ case AFE_IRQ1_MCU_CNT_MON ... AFE_IRQ5_MCU_CNT_MON:
+ case AFE_IRQ7_MCU_CNT_MON:
+ case AFE_GAIN1_CUR:
+ case AFE_GAIN2_CUR:
+ case AFE_SRAM_DELSEL_CON0:
+ case AFE_SRAM_DELSEL_CON2 ... AFE_SRAM_DELSEL_CON3:
+ case AFE_ASRC_2CH_CON12 ... AFE_ASRC_2CH_CON13:
+ case PCM_INTF_CON2:
+ case FPGA_CFG0 ... FPGA_CFG1:
+ case FPGA_CFG2 ... FPGA_CFG3:
+ case AUDIO_TOP_DBG_MON0 ... AUDIO_TOP_DBG_MON1:
+ case AFE_IRQ8_MCU_CNT_MON ... AFE_IRQ12_MCU_CNT_MON:
+ case AFE_CBIP_MON0:
+ case AFE_CBIP_SLV_MUX_MON0 ... AFE_CBIP_SLV_DECODER_MON0:
+ case AFE_ADDA6_SRC_DEBUG_MON0:
+ case AFE_ADD6A_UL_SRC_MON0... AFE_ADDA6_UL_SRC_MON1:
+ case AFE_DL1_CUR_MSB:
+ case AFE_DL2_CUR_MSB:
+ case AFE_AWB_CUR_MSB:
+ case AFE_VUL_CUR_MSB:
+ case AFE_VUL2_CUR_MSB:
+ case AFE_MOD_DAI_CUR_MSB:
+ case AFE_VUL_D2_CUR_MSB:
+ case AFE_DL3_CUR_MSB:
+ case AFE_HDMI_OUT_CUR_MSB:
+ case AFE_AWB2_END ... AFE_AWB2_CUR:
+ case AFE_AWB2_CUR_MSB:
+ case AFE_ADDA_DL_SDM_FIFO_MON ... AFE_ADDA_DL_SDM_OUT_MON:
+ case AFE_CONNSYS_I2S_MON ... AFE_ASRC_2CH_CON0:
+ case AFE_ASRC_2CH_CON2 ... AFE_ASRC_2CH_CON5:
+ case AFE_ASRC_2CH_CON7 ... AFE_ASRC_2CH_CON8:
+ case AFE_MEMIF_MON12 ... AFE_MEMIF_MON24:
+ case AFE_ADDA_MTKAIF_MON0 ... AFE_ADDA_MTKAIF_MON1:
+ case AFE_AUD_PAD_TOP:
+ case AFE_GENERAL1_ASRC_2CH_CON0:
+ case AFE_GENERAL1_ASRC_2CH_CON2 ... AFE_GENERAL1_ASRC_2CH_CON5:
+ case AFE_GENERAL1_ASRC_2CH_CON7 ... AFE_GENERAL1_ASRC_2CH_CON8:
+ case AFE_GENERAL1_ASRC_2CH_CON12 ... AFE_GENERAL1_ASRC_2CH_CON13:
+ case AFE_GENERAL2_ASRC_2CH_CON0:
+ case AFE_GENERAL2_ASRC_2CH_CON2 ... AFE_GENERAL2_ASRC_2CH_CON5:
+ case AFE_GENERAL2_ASRC_2CH_CON7 ... AFE_GENERAL2_ASRC_2CH_CON8:
+ case AFE_GENERAL2_ASRC_2CH_CON12 ... AFE_GENERAL2_ASRC_2CH_CON13:
+ return true;
+ default:
+ return false;
+ };
+}
+
+static const struct regmap_config mt8183_afe_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+
+ .volatile_reg = mt8183_is_volatile_reg,
+
+ .max_register = AFE_MAX_REGISTER,
+ .num_reg_defaults_raw = AFE_MAX_REGISTER,
+
+ .cache_type = REGCACHE_FLAT,
+};
+
+static irqreturn_t mt8183_afe_irq_handler(int irq_id, void *dev)
+{
+ struct mtk_base_afe *afe = dev;
+ struct mtk_base_afe_irq *irq;
+ unsigned int status;
+ unsigned int status_mcu;
+ unsigned int mcu_en;
+ int ret;
+ int i;
+ irqreturn_t irq_ret = IRQ_HANDLED;
+
+ /* get irq that is sent to MCU */
+ regmap_read(afe->regmap, AFE_IRQ_MCU_EN, &mcu_en);
+
+ ret = regmap_read(afe->regmap, AFE_IRQ_MCU_STATUS, &status);
+ /* only care IRQ which is sent to MCU */
+ status_mcu = status & mcu_en & AFE_IRQ_STATUS_BITS;
+
+ if (ret || status_mcu == 0) {
+ dev_err(afe->dev, "%s(), irq status err, ret %d, status 0x%x, mcu_en 0x%x\n",
+ __func__, ret, status, mcu_en);
+
+ irq_ret = IRQ_NONE;
+ goto err_irq;
+ }
+
+ for (i = 0; i < MT8183_MEMIF_NUM; i++) {
+ struct mtk_base_afe_memif *memif = &afe->memif[i];
+
+ if (!memif->substream)
+ continue;
+
+ if (memif->irq_usage < 0)
+ continue;
+
+ irq = &afe->irqs[memif->irq_usage];
+
+ if (status_mcu & (1 << irq->irq_data->irq_en_shift))
+ snd_pcm_period_elapsed(memif->substream);
+ }
+
+err_irq:
+ /* clear irq */
+ regmap_write(afe->regmap,
+ AFE_IRQ_MCU_CLR,
+ status_mcu);
+
+ return irq_ret;
+}
+
+static int mt8183_afe_runtime_suspend(struct device *dev)
+{
+ struct mtk_base_afe *afe = dev_get_drvdata(dev);
+ struct mt8183_afe_private *afe_priv = afe->platform_priv;
+ unsigned int value;
+ int ret;
+
+ if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+ goto skip_regmap;
+
+ /* disable AFE */
+ regmap_update_bits(afe->regmap, AFE_DAC_CON0, AFE_ON_MASK_SFT, 0x0);
+
+ ret = regmap_read_poll_timeout(afe->regmap,
+ AFE_DAC_MON,
+ value,
+ (value & AFE_ON_RETM_MASK_SFT) == 0,
+ 20,
+ 1 * 1000 * 1000);
+ if (ret)
+ dev_warn(afe->dev, "%s(), ret %d\n", __func__, ret);
+
+ /* make sure all irq status are cleared, twice intended */
+ regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
+ regmap_update_bits(afe->regmap, AFE_IRQ_MCU_CLR, 0xffff, 0xffff);
+
+ /* cache only */
+ regcache_cache_only(afe->regmap, true);
+ regcache_mark_dirty(afe->regmap);
+
+skip_regmap:
+ return mt8183_afe_disable_clock(afe);
+}
+
+static int mt8183_afe_runtime_resume(struct device *dev)
+{
+ struct mtk_base_afe *afe = dev_get_drvdata(dev);
+ struct mt8183_afe_private *afe_priv = afe->platform_priv;
+ int ret;
+
+ ret = mt8183_afe_enable_clock(afe);
+ if (ret)
+ return ret;
+
+ if (!afe->regmap || afe_priv->pm_runtime_bypass_reg_ctl)
+ goto skip_regmap;
+
+ regcache_cache_only(afe->regmap, false);
+ regcache_sync(afe->regmap);
+
+ /* enable audio sys DCM for power saving */
+ regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, 0x1 << 29, 0x1 << 29);
+
+ /* force cpu use 8_24 format when writing 32bit data */
+ regmap_update_bits(afe->regmap, AFE_MEMIF_MSB,
+ CPU_HD_ALIGN_MASK_SFT, 0 << CPU_HD_ALIGN_SFT);
+
+ /* set all output port to 24bit */
+ regmap_write(afe->regmap, AFE_CONN_24BIT, 0xffffffff);
+ regmap_write(afe->regmap, AFE_CONN_24BIT_1, 0xffffffff);
+
+ /* enable AFE */
+ regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1);
+
+skip_regmap:
+ return 0;
+}
+
+static int mt8183_dai_memif_register(struct mtk_base_afe *afe)
+{
+ 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 = mt8183_memif_dai_driver;
+ dai->num_dai_drivers = ARRAY_SIZE(mt8183_memif_dai_driver);
+
+ dai->dapm_widgets = mt8183_memif_widgets;
+ dai->num_dapm_widgets = ARRAY_SIZE(mt8183_memif_widgets);
+ dai->dapm_routes = mt8183_memif_routes;
+ dai->num_dapm_routes = ARRAY_SIZE(mt8183_memif_routes);
+ return 0;
+}
+
+typedef int (*dai_register_cb)(struct mtk_base_afe *);
+static const dai_register_cb dai_register_cbs[] = {
+ mt8183_dai_adda_register,
+ mt8183_dai_i2s_register,
+ mt8183_dai_pcm_register,
+ mt8183_dai_tdm_register,
+ mt8183_dai_hostless_register,
+ mt8183_dai_memif_register,
+};
+
+static int mt8183_afe_pcm_dev_probe(struct platform_device *pdev)
+{
+ struct mtk_base_afe *afe;
+ struct mt8183_afe_private *afe_priv;
+ struct device *dev = &pdev->dev;
+ struct reset_control *rstc;
+ int i, irq_id, ret;
+
+ ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(34));
+ if (ret)
+ return ret;
+
+ afe = devm_kzalloc(dev, sizeof(*afe), GFP_KERNEL);
+ if (!afe)
+ return -ENOMEM;
+ platform_set_drvdata(pdev, afe);
+
+ afe->platform_priv = devm_kzalloc(dev, sizeof(*afe_priv), GFP_KERNEL);
+ if (!afe->platform_priv)
+ return -ENOMEM;
+
+ afe_priv = afe->platform_priv;
+ afe->dev = dev;
+
+ ret = of_reserved_mem_device_init(dev);
+ if (ret) {
+ dev_info(dev, "no reserved memory found, pre-allocating buffers instead\n");
+ afe->preallocate_buffers = true;
+ }
+
+ /* initial audio related clock */
+ ret = mt8183_init_clock(afe);
+ if (ret) {
+ dev_err(dev, "init clock error\n");
+ return ret;
+ }
+
+ pm_runtime_enable(dev);
+
+ /* regmap init */
+ afe->regmap = syscon_node_to_regmap(dev->parent->of_node);
+ if (IS_ERR(afe->regmap)) {
+ dev_err(dev, "could not get regmap from parent\n");
+ ret = PTR_ERR(afe->regmap);
+ goto err_pm_disable;
+ }
+ ret = regmap_attach_dev(dev, afe->regmap, &mt8183_afe_regmap_config);
+ if (ret) {
+ dev_warn(dev, "regmap_attach_dev fail, ret %d\n", ret);
+ goto err_pm_disable;
+ }
+
+ rstc = devm_reset_control_get(dev, "audiosys");
+ if (IS_ERR(rstc)) {
+ ret = PTR_ERR(rstc);
+ dev_err(dev, "could not get audiosys reset:%d\n", ret);
+ goto err_pm_disable;
+ }
+
+ ret = reset_control_reset(rstc);
+ if (ret) {
+ dev_err(dev, "failed to trigger audio reset:%d\n", ret);
+ goto err_pm_disable;
+ }
+
+ /* enable clock for regcache get default value from hw */
+ afe_priv->pm_runtime_bypass_reg_ctl = true;
+ pm_runtime_get_sync(dev);
+
+ ret = regmap_reinit_cache(afe->regmap, &mt8183_afe_regmap_config);
+ if (ret) {
+ dev_err(dev, "regmap_reinit_cache fail, ret %d\n", ret);
+ goto err_pm_disable;
+ }
+
+ pm_runtime_put_sync(dev);
+ afe_priv->pm_runtime_bypass_reg_ctl = false;
+
+ regcache_cache_only(afe->regmap, true);
+ regcache_mark_dirty(afe->regmap);
+
+ /* init memif */
+ afe->memif_size = MT8183_MEMIF_NUM;
+ afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
+ GFP_KERNEL);
+ if (!afe->memif) {
+ ret = -ENOMEM;
+ goto err_pm_disable;
+ }
+
+ for (i = 0; i < afe->memif_size; i++) {
+ afe->memif[i].data = &memif_data[i];
+ afe->memif[i].irq_usage = -1;
+ }
+
+ afe->memif[MT8183_MEMIF_HDMI].irq_usage = MT8183_IRQ_8;
+ afe->memif[MT8183_MEMIF_HDMI].const_irq = 1;
+
+ mutex_init(&afe->irq_alloc_lock);
+
+ /* init memif */
+ /* irq initialize */
+ afe->irqs_size = MT8183_IRQ_NUM;
+ afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
+ GFP_KERNEL);
+ if (!afe->irqs) {
+ ret = -ENOMEM;
+ goto err_pm_disable;
+ }
+
+ for (i = 0; i < afe->irqs_size; i++)
+ afe->irqs[i].irq_data = &irq_data[i];
+
+ /* request irq */
+ irq_id = platform_get_irq(pdev, 0);
+ if (irq_id < 0) {
+ ret = irq_id;
+ goto err_pm_disable;
+ }
+
+ ret = devm_request_irq(dev, irq_id, mt8183_afe_irq_handler,
+ IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
+ if (ret) {
+ dev_err(dev, "could not request_irq for asys-isr\n");
+ goto err_pm_disable;
+ }
+
+ /* init sub_dais */
+ INIT_LIST_HEAD(&afe->sub_dais);
+
+ for (i = 0; i < ARRAY_SIZE(dai_register_cbs); i++) {
+ ret = dai_register_cbs[i](afe);
+ if (ret) {
+ dev_warn(dev, "dai register i %d fail, ret %d\n",
+ i, ret);
+ goto err_pm_disable;
+ }
+ }
+
+ /* init dai_driver and component_driver */
+ ret = mtk_afe_combine_sub_dai(afe);
+ if (ret) {
+ dev_warn(dev, "mtk_afe_combine_sub_dai fail, ret %d\n", ret);
+ goto err_pm_disable;
+ }
+
+ afe->mtk_afe_hardware = &mt8183_afe_hardware;
+ afe->memif_fs = mt8183_memif_fs;
+ afe->irq_fs = mt8183_irq_fs;
+
+ afe->runtime_resume = mt8183_afe_runtime_resume;
+ afe->runtime_suspend = mt8183_afe_runtime_suspend;
+
+ /* register component */
+ ret = devm_snd_soc_register_component(dev, &mtk_afe_pcm_platform,
+ NULL, 0);
+ if (ret) {
+ dev_warn(dev, "err_platform\n");
+ goto err_pm_disable;
+ }
+
+ ret = devm_snd_soc_register_component(dev, &mt8183_afe_pcm_dai_component,
+ afe->dai_drivers,
+ afe->num_dai_drivers);
+ if (ret) {
+ dev_warn(dev, "err_dai_component\n");
+ goto err_pm_disable;
+ }
+
+ return ret;
+
+err_pm_disable:
+ pm_runtime_disable(dev);
+ return ret;
+}
+
+static void mt8183_afe_pcm_dev_remove(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+
+ pm_runtime_disable(dev);
+ if (!pm_runtime_status_suspended(dev))
+ mt8183_afe_runtime_suspend(dev);
+}
+
+static const struct of_device_id mt8183_afe_pcm_dt_match[] = {
+ { .compatible = "mediatek,mt8183-audio", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, mt8183_afe_pcm_dt_match);
+
+static const struct dev_pm_ops mt8183_afe_pm_ops = {
+ RUNTIME_PM_OPS(mt8183_afe_runtime_suspend,
+ mt8183_afe_runtime_resume, NULL)
+};
+
+static struct platform_driver mt8183_afe_pcm_driver = {
+ .driver = {
+ .name = "mt8183-audio",
+ .of_match_table = mt8183_afe_pcm_dt_match,
+ .pm = pm_ptr(&mt8183_afe_pm_ops),
+ },
+ .probe = mt8183_afe_pcm_dev_probe,
+ .remove = mt8183_afe_pcm_dev_remove,
+};
+
+module_platform_driver(mt8183_afe_pcm_driver);
+
+MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 8183");
+MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
+MODULE_LICENSE("GPL v2");
generated by cgit (git 2.34.1) at 2026-01-03 15:28:44 +0000