Il 17/02/22 14:41, Jiaxin Yu ha scritto:
This patch adds mt8186 src dai driver
Signed-off-by: Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
---
sound/soc/mediatek/mt8186/mt8186-dai-src.c | 758 +++++++++++++++++++++
1 file changed, 758 insertions(+)
create mode 100644 sound/soc/mediatek/mt8186/mt8186-dai-src.c
diff --git a/sound/soc/mediatek/mt8186/mt8186-dai-src.c b/sound/soc/mediatek/mt8186/mt8186-dai-src.c
new file mode 100644
index 000000000000..7ff1623b591a
--- /dev/null
+++ b/sound/soc/mediatek/mt8186/mt8186-dai-src.c
@@ -0,0 +1,758 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// MediaTek ALSA SoC Audio DAI SRC Control
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Jiaxin Yu <jiaxin.yu@xxxxxxxxxxxx>
+
+#include <linux/regmap.h>
+#include "mt8186-afe-common.h"
+#include "mt8186-interconnection.h"
+
+struct mtk_afe_src_priv {
+ int dl_rate;
+ int ul_rate;
+};
+
+static const unsigned int src_iir_coeff_32_to_16[] = {
+ 0x0dbae6, 0xff9b0a, 0x0dbae6, 0x05e488, 0xe072b9, 0x000002,
+ 0x0dbae6, 0x000f3b, 0x0dbae6, 0x06a537, 0xe17d79, 0x000002,
+ 0x0dbae6, 0x01246a, 0x0dbae6, 0x087261, 0xe306be, 0x000002,
+ 0x0dbae6, 0x03437d, 0x0dbae6, 0x0bc16f, 0xe57c87, 0x000002,
+ 0x0dbae6, 0x072981, 0x0dbae6, 0x111dd3, 0xe94f2a, 0x000002,
+ 0x0dbae6, 0x0dc4a6, 0x0dbae6, 0x188611, 0xee85a0, 0x000002,
+ 0x0dbae6, 0x168b9a, 0x0dbae6, 0x200e8f, 0xf3ccf1, 0x000002,
+ 0x000000, 0x1b75cb, 0x1b75cb, 0x2374a2, 0x000000, 0x000001
+};
+
+static const unsigned int src_iir_coeff_44_to_16[] = {
+ 0x09ae28, 0xf7d97d, 0x09ae28, 0x212a3d, 0xe0ac3a, 0x000002,
+ 0x09ae28, 0xf8525a, 0x09ae28, 0x216d72, 0xe234be, 0x000002,
+ 0x09ae28, 0xf980f5, 0x09ae28, 0x22a057, 0xe45a81, 0x000002,
+ 0x09ae28, 0xfc0a08, 0x09ae28, 0x24d3bd, 0xe7752d, 0x000002,
+ 0x09ae28, 0x016162, 0x09ae28, 0x27da01, 0xeb6ea8, 0x000002,
+ 0x09ae28, 0x0b67df, 0x09ae28, 0x2aca4a, 0xef34c4, 0x000002,
+ 0x000000, 0x135c50, 0x135c50, 0x2c1079, 0x000000, 0x000001
+};
+
+static const unsigned int src_iir_coeff_44_to_32[] = {
+ 0x096966, 0x0c4d35, 0x096966, 0xedee81, 0xf05070, 0x000003,
+ 0x12d2cc, 0x193910, 0x12d2cc, 0xddbf4f, 0xe21e1d, 0x000002,
+ 0x12d2cc, 0x1a9e60, 0x12d2cc, 0xe18916, 0xe470fd, 0x000002,
+ 0x12d2cc, 0x1d06e0, 0x12d2cc, 0xe8a4a6, 0xe87b24, 0x000002,
+ 0x12d2cc, 0x207578, 0x12d2cc, 0xf4fe62, 0xef5917, 0x000002,
+ 0x12d2cc, 0x24055f, 0x12d2cc, 0x05ee2b, 0xf8b502, 0x000002,
+ 0x000000, 0x25a599, 0x25a599, 0x0fabe2, 0x000000, 0x000001
+};
+
+static const unsigned int src_iir_coeff_48_to_16[] = {
+ 0x0296a4, 0xfd69dd, 0x0296a4, 0x209439, 0xe01ff9, 0x000002,
+ 0x0f4ff3, 0xf0d6d4, 0x0f4ff3, 0x209bc9, 0xe076c3, 0x000002,
+ 0x0e8490, 0xf1fe63, 0x0e8490, 0x20cfd6, 0xe12124, 0x000002,
+ 0x14852f, 0xed794a, 0x14852f, 0x21503d, 0xe28b32, 0x000002,
+ 0x136222, 0xf17677, 0x136222, 0x225be1, 0xe56964, 0x000002,
+ 0x0a8d85, 0xfc4a97, 0x0a8d85, 0x24310c, 0xea6952, 0x000002,
+ 0x05eff5, 0x043455, 0x05eff5, 0x4ced8f, 0xe134d6, 0x000001,
+ 0x000000, 0x3aebe6, 0x3aebe6, 0x04f3b0, 0x000000, 0x000004
+};
+
+static const unsigned int src_iir_coeff_48_to_32[] = {
+ 0x10c1b8, 0x10a7df, 0x10c1b8, 0xe7514e, 0xe0b41f, 0x000002,
+ 0x10c1b8, 0x116257, 0x10c1b8, 0xe9402f, 0xe25aaa, 0x000002,
+ 0x10c1b8, 0x130c89, 0x10c1b8, 0xed3cc3, 0xe4dddb, 0x000002,
+ 0x10c1b8, 0x1600dd, 0x10c1b8, 0xf48000, 0xe90c55, 0x000002,
+ 0x10c1b8, 0x1a672e, 0x10c1b8, 0x00494c, 0xefa807, 0x000002,
+ 0x10c1b8, 0x1f38e6, 0x10c1b8, 0x0ee076, 0xf7c5f3, 0x000002,
+ 0x000000, 0x218370, 0x218370, 0x168b40, 0x000000, 0x000001
+};
+
+static const unsigned int src_iir_coeff_48_to_44[] = {
+ 0x0bf71c, 0x170f3f, 0x0bf71c, 0xe3a4c8, 0xf096cb, 0x000003,
+ 0x0bf71c, 0x17395e, 0x0bf71c, 0xe58085, 0xf210c8, 0x000003,
+ 0x0bf71c, 0x1782bd, 0x0bf71c, 0xe95ef6, 0xf4c899, 0x000003,
+ 0x0bf71c, 0x17cd97, 0x0bf71c, 0xf1608a, 0xfa3b18, 0x000003,
+ 0x000000, 0x2fdc6f, 0x2fdc6f, 0xf15663, 0x000000, 0x000001
+};
+
+static const unsigned int src_iir_coeff_96_to_16[] = {
+ 0x0805a1, 0xf21ae3, 0x0805a1, 0x3840bb, 0xe02a2e, 0x000002,
+ 0x0d5dd8, 0xe8f259, 0x0d5dd8, 0x1c0af6, 0xf04700, 0x000003,
+ 0x0bb422, 0xec08d9, 0x0bb422, 0x1bfccc, 0xf09216, 0x000003,
+ 0x08fde6, 0xf108be, 0x08fde6, 0x1bf096, 0xf10ae0, 0x000003,
+ 0x0ae311, 0xeeeda3, 0x0ae311, 0x37c646, 0xe385f5, 0x000002,
+ 0x044089, 0xfa7242, 0x044089, 0x37a785, 0xe56526, 0x000002,
+ 0x00c75c, 0xffb947, 0x00c75c, 0x378ba3, 0xe72c5f, 0x000002,
+ 0x000000, 0x0ef76e, 0x0ef76e, 0x377fda, 0x000000, 0x000001,
+};
+
+static const unsigned int src_iir_coeff_96_to_44[] = {
+ 0x08b543, 0xfd80f4, 0x08b543, 0x0e2332, 0xe06ed0, 0x000002,
+ 0x1b6038, 0xf90e7e, 0x1b6038, 0x0ec1ac, 0xe16f66, 0x000002,
+ 0x188478, 0xfbb921, 0x188478, 0x105859, 0xe2e596, 0x000002,
+ 0x13eff3, 0xffa707, 0x13eff3, 0x13455c, 0xe533b7, 0x000002,
+ 0x0dc239, 0x03d458, 0x0dc239, 0x17f120, 0xe8b617, 0x000002,
+ 0x0745f1, 0x05d790, 0x0745f1, 0x1e3d75, 0xed5f18, 0x000002,
+ 0x05641f, 0x085e2b, 0x05641f, 0x48efd0, 0xe3e9c8, 0x000001,
+ 0x000000, 0x28f632, 0x28f632, 0x273905, 0x000000, 0x000001,
+};
+
+static unsigned int mtk_get_src_freq_mode(struct mtk_base_afe *afe, int rate)
+{
+ switch (rate) {
+ case 8000:
+ return 0x00050000;
No leading zeroes please
+ case 11025:
+ return 0x0006E400;
+ case 12000:
+ return 0x00078000;
+ case 16000:
+ return 0x000A0000;
+ case 22050:
+ return 0x000DC800;
+ case 24000:
+ return 0x000F0000;
+ case 32000:
+ return 0x00140000;
+ case 44100:
+ return 0x001B9000;
+ case 48000:
+ return 0x001E0000;
+ case 88200:
+ return 0x00372000;
+ case 96000:
+ return 0x003C0000;
+ case 176400:
+ return 0x006E4000;
+ case 192000:
+ return 0x00780000;
+ default:
+ dev_info(afe->dev, "%s(), rate %d invalid!!!\n",
+ __func__, rate);
dev_err()
+ return 0;
+ }
+}
+
+static const unsigned int *get_iir_coeff(unsigned int rate_in,
+ unsigned int rate_out,
+ unsigned int *param_num)
+{
+ if (rate_in == 32000 && rate_out == 16000) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_32_to_16);
+ return src_iir_coeff_32_to_16;
+ } else if (rate_in == 44100 && rate_out == 16000) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_44_to_16);
+ return src_iir_coeff_44_to_16;
+ } else if (rate_in == 44100 && rate_out == 32000) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_44_to_32);
+ return src_iir_coeff_44_to_32;
+ } else if ((rate_in == 48000 && rate_out == 16000) ||
+ (rate_in == 96000 && rate_out == 32000)) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_48_to_16);
+ return src_iir_coeff_48_to_16;
+ } else if (rate_in == 48000 && rate_out == 32000) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_48_to_32);
+ return src_iir_coeff_48_to_32;
+ } else if (rate_in == 48000 && rate_out == 44100) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_48_to_44);
+ return src_iir_coeff_48_to_44;
+ } else if (rate_in == 96000 && rate_out == 16000) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_96_to_16);
+ return src_iir_coeff_96_to_16;
+ } else if ((rate_in == 96000 && rate_out == 44100) ||
+ (rate_in == 48000 && rate_out == 22050)) {
+ *param_num = ARRAY_SIZE(src_iir_coeff_96_to_44);
+ return src_iir_coeff_96_to_44;
+ }
+
+ *param_num = 0;
+ return NULL;
+}
+
+#define DEBUG_COEFF
+static int mtk_set_src_1_param(struct mtk_base_afe *afe, int id)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
+ unsigned int iir_coeff_num;
+ unsigned int iir_stage;
+ int rate_in = src_priv->dl_rate;
+ int rate_out = src_priv->ul_rate;
+ unsigned int out_freq_mode = mtk_get_src_freq_mode(afe,
+ rate_out);
Fits in one line.
+ unsigned int in_freq_mode = mtk_get_src_freq_mode(afe,
+ rate_in);
ditto.
+
+ /* set out freq mode */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON3,
+ G_SRC_ASM_FREQ_4_MASK_SFT,
+ out_freq_mode << G_SRC_ASM_FREQ_4_SFT);
+
+ /* set in freq mode */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON4,
+ G_SRC_ASM_FREQ_5_MASK_SFT,
+ in_freq_mode << G_SRC_ASM_FREQ_5_SFT);
+
+ regmap_write(afe->regmap,
+ AFE_GENERAL1_ASRC_2CH_CON5, 0x003f5986);
+ regmap_write(afe->regmap,
+ AFE_GENERAL1_ASRC_2CH_CON5, 0x003f5987);
+ regmap_write(afe->regmap,
+ AFE_GENERAL1_ASRC_2CH_CON6, 0x00001fbd);
+ regmap_write(afe->regmap,
+ AFE_GENERAL1_ASRC_2CH_CON2, 0x00000000);
All single ones of these fit in a single line.
+
+ /* set iir if in_rate > out_rate */
+ if (rate_in > rate_out) {
+ int i;
+#ifdef DEBUG_COEFF
+ int reg_val;
+#endif
+ const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out,
+ &iir_coeff_num);
+
+ if (iir_coeff_num == 0 || !iir_coeff) {
+ dev_info(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n",
+ __func__, iir_coeff_num, iir_coeff);
+ return -EINVAL;
+ }
+
+ /* COEFF_SRAM_CTRL */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0,
+ G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
+ 0x1 << G_SRC_COEFF_SRAM_CTRL_SFT);
+ /* Clear coeff history to r/w coeff from the first position */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON13,
+ G_SRC_COEFF_SRAM_ADR_MASK_SFT,
+ 0x0);
+ /* Write SRC coeff, should not read the reg during write */
+ for (i = 0; i < iir_coeff_num; i++)
+ regmap_write(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON12,
+ iir_coeff[i]);
+
+#ifdef DEBUG_COEFF
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON13,
+ G_SRC_COEFF_SRAM_ADR_MASK_SFT,
+ 0x0);
+
+ for (i = 0; i < iir_coeff_num; i++) {
+ regmap_read(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON12,
+ ®_val);
+ dev_info(afe->dev, "%s(), i = %d, coeff = 0x%x\n",
+ __func__, i, reg_val);
+ }
+#endif
+ /* disable sram access */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON0,
+ G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
+ 0x0);
+ /* CHSET_IIR_STAGE */
+ iir_stage = (iir_coeff_num / 6) - 1;
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_STAGE_MASK_SFT,
+ iir_stage << G_SRC_CHSET_IIR_STAGE_SFT);
+ /* CHSET_IIR_EN */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_EN_MASK_SFT,
+ 0x1 << G_SRC_CHSET_IIR_EN_SFT);
BIT()
+ } else {
+ /* CHSET_IIR_EN off */
+ regmap_update_bits(afe->regmap, AFE_GENERAL1_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_EN_MASK_SFT,
+ 0x0);
+ }
+
+ return 0;
+}
+
+static int mtk_set_src_2_param(struct mtk_base_afe *afe, int id)
+{
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
+ unsigned int iir_coeff_num;
+ unsigned int iir_stage;
+ int rate_in = src_priv->dl_rate;
+ int rate_out = src_priv->ul_rate;
+ unsigned int out_freq_mode = mtk_get_src_freq_mode(afe,
+ rate_out);
+ unsigned int in_freq_mode = mtk_get_src_freq_mode(afe,
+ rate_in);
+
+ /* set out freq mode */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON3,
+ G_SRC_ASM_FREQ_4_MASK_SFT,
+ out_freq_mode << G_SRC_ASM_FREQ_4_SFT);
+
+ /* set in freq mode */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON4,
+ G_SRC_ASM_FREQ_5_MASK_SFT,
+ in_freq_mode << G_SRC_ASM_FREQ_5_SFT);
+
+ regmap_write(afe->regmap,
+ AFE_GENERAL2_ASRC_2CH_CON5, 0x003f5986);
+ regmap_write(afe->regmap,
+ AFE_GENERAL2_ASRC_2CH_CON5, 0x003f5987);
+ regmap_write(afe->regmap,
+ AFE_GENERAL2_ASRC_2CH_CON6, 0x00001fbd);
+ regmap_write(afe->regmap,
+ AFE_GENERAL2_ASRC_2CH_CON2, 0x00000000);
no leading zeros; fits in one line.
+
+ /* set iir if in_rate > out_rate */
+ if (rate_in > rate_out) {
+ int i;
+#ifdef DEBUG_COEFF
+ int reg_val;
+#endif
+ const unsigned int *iir_coeff = get_iir_coeff(rate_in, rate_out,
+ &iir_coeff_num);
+
+ if (iir_coeff_num == 0 || !iir_coeff) {
+ dev_info(afe->dev, "%s(), iir coeff error, num %d, coeff %p\n",
+ __func__, iir_coeff_num, iir_coeff);
dev_err()
+ return -EINVAL;
+ }
+
+ /* COEFF_SRAM_CTRL */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0,
+ G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
+ 0x1 << G_SRC_COEFF_SRAM_CTRL_SFT);
BIT()
+ /* Clear coeff history to r/w coeff from the first position */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON13,
+ G_SRC_COEFF_SRAM_ADR_MASK_SFT,
+ 0x0);
+ /* Write SRC coeff, should not read the reg during write */
+ for (i = 0; i < iir_coeff_num; i++)
+ regmap_write(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON12,
+ iir_coeff[i]);
+
+#ifdef DEBUG_COEFF
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON13,
+ G_SRC_COEFF_SRAM_ADR_MASK_SFT,
+ 0x0);
+
+ for (i = 0; i < iir_coeff_num; i++) {
+ regmap_read(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON12,
+ ®_val);
+ dev_info(afe->dev, "%s(), i = %d, coeff = 0x%x\n",
+ __func__, i, reg_val);
+ }
+#endif
+ /* disable sram access */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON0,
+ G_SRC_COEFF_SRAM_CTRL_MASK_SFT,
+ 0x0);
+ /* CHSET_IIR_STAGE */
+ iir_stage = (iir_coeff_num / 6) - 1;
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_STAGE_MASK_SFT,
+ iir_stage << G_SRC_CHSET_IIR_STAGE_SFT);
+ /* CHSET_IIR_EN */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_EN_MASK_SFT,
+ 0x1 << G_SRC_CHSET_IIR_EN_SFT);
+ } else {
+ /* CHSET_IIR_EN off */
+ regmap_update_bits(afe->regmap, AFE_GENERAL2_ASRC_2CH_CON2,
+ G_SRC_CHSET_IIR_EN_MASK_SFT, 0x0);
+ }
+
+ return 0;
+}
+
+#define HW_SRC_1_EN_W_NAME "HW_SRC_1_Enable"
+#define HW_SRC_2_EN_W_NAME "HW_SRC_2_Enable"
+
+static int mtk_hw_src_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);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ int id;
+ struct mtk_afe_src_priv *src_priv;
+ unsigned int reg;
+
+ if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0)
+ id = MT8186_DAI_SRC_1;
+ else
+ id = MT8186_DAI_SRC_2;
+
+ src_priv = afe_priv->dai_priv[id];
+
+ dev_dbg(afe->dev, "%s(), name %s, event 0x%x, id %d, src_priv %p, dl_rate %d, ul_rate %d\n",
+ __func__,
+ w->name, event,
+ id, src_priv,
+ src_priv->dl_rate,
+ src_priv->ul_rate);
dev_dbg(afe->dev,
"%s: name %s, event 0x%x, id %d, src_priv %p, dl_rate %d, ul_rate %d\n",
__func__, w->name, event, id, src_priv,
src_priv->dl_rate, src_priv->ul_rate);
+
+ switch (event) {
+ case SND_SOC_DAPM_PRE_PMU:
+ if (id == MT8186_DAI_SRC_1)
+ mtk_set_src_1_param(afe, id);
+ else
+ mtk_set_src_2_param(afe, id);
+ break;
+ case SND_SOC_DAPM_POST_PMU:
+ reg = (id == MT8186_DAI_SRC_1) ?
+ AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0;
+ /* ASM_ON */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_ASM_ON_MASK_SFT,
+ 0x1 << G_SRC_ASM_ON_SFT);
BIT()
+ /* CHSET_ON */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_CHSET_ON_MASK_SFT,
+ 0x1 << G_SRC_CHSET_ON_SFT);
same
+ /* CHSET_STR_CLR */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_CHSET_STR_CLR_MASK_SFT,
+ 0x1 << G_SRC_CHSET_STR_CLR_SFT);
again
+ break;
+ case SND_SOC_DAPM_PRE_PMD:
+ reg = (id == MT8186_DAI_SRC_1) ?
+ AFE_GENERAL1_ASRC_2CH_CON0 : AFE_GENERAL2_ASRC_2CH_CON0;
+ /* ASM_OFF */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_ASM_ON_MASK_SFT, 0x0);
Fits in one line
+ /* CHSET_OFF */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_CHSET_ON_MASK_SFT, 0x0);
+ /* CHSET_STR_CLR */
+ regmap_update_bits(afe->regmap, reg,
+ G_SRC_CHSET_STR_CLR_MASK_SFT, 0x0);
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
..snip..
+
+static int mtk_afe_src_en_connect(struct snd_soc_dapm_widget *source,
+ struct snd_soc_dapm_widget *sink)
+{
+ struct snd_soc_dapm_widget *w = source;
+ struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
+ struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ struct mtk_afe_src_priv *src_priv;
+
+ if (strcmp(w->name, HW_SRC_1_EN_W_NAME) == 0)
+ src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_1];
+ else
+ src_priv = afe_priv->dai_priv[MT8186_DAI_SRC_2];
+
+ dev_info(afe->dev,
+ "%s(), source %s, sink %s, dl_rate %d, ul_rate %d\n",
+ __func__, source->name, sink->name,
+ src_priv->dl_rate, src_priv->ul_rate);
dev_dbg()
+
+ return (src_priv->dl_rate > 0 && src_priv->ul_rate > 0) ? 1 : 0;
+}
+
+static const struct snd_soc_dapm_route mtk_dai_src_routes[] = {
+ {"HW_SRC_1_IN_CH1", "DL1_CH1 Switch", "DL1"},
+ {"HW_SRC_1_IN_CH2", "DL1_CH2 Switch", "DL1"},
+ {"HW_SRC_2_IN_CH1", "DL1_CH1 Switch", "DL1"},
+ {"HW_SRC_2_IN_CH2", "DL1_CH2 Switch", "DL1"},
+ {"HW_SRC_1_IN_CH1", "DL2_CH1 Switch", "DL2"},
+ {"HW_SRC_1_IN_CH2", "DL2_CH2 Switch", "DL2"},
+ {"HW_SRC_2_IN_CH1", "DL2_CH1 Switch", "DL2"},
+ {"HW_SRC_2_IN_CH2", "DL2_CH2 Switch", "DL2"},
+ {"HW_SRC_1_IN_CH1", "DL3_CH1 Switch", "DL3"},
+ {"HW_SRC_1_IN_CH2", "DL3_CH2 Switch", "DL3"},
+ {"HW_SRC_2_IN_CH1", "DL3_CH1 Switch", "DL3"},
+ {"HW_SRC_2_IN_CH2", "DL3_CH2 Switch", "DL3"},
+ {"HW_SRC_1_IN_CH1", "DL6_CH1 Switch", "DL6"},
+ {"HW_SRC_1_IN_CH2", "DL6_CH2 Switch", "DL6"},
+ {"HW_SRC_2_IN_CH1", "DL6_CH1 Switch", "DL6"},
+ {"HW_SRC_2_IN_CH2", "DL6_CH2 Switch", "DL6"},
+ {"HW_SRC_1_IN_CH1", "DL5_CH1 Switch", "DL5"},
+ {"HW_SRC_1_IN_CH2", "DL5_CH2 Switch", "DL5"},
+ {"HW_SRC_2_IN_CH1", "DL5_CH1 Switch", "DL5"},
+ {"HW_SRC_2_IN_CH2", "DL5_CH2 Switch", "DL5"},
+ {"HW_SRC_1_IN_CH1", "DL4_CH1 Switch", "DL4"},
+ {"HW_SRC_1_IN_CH2", "DL4_CH2 Switch", "DL4"},
+ {"HW_SRC_2_IN_CH1", "DL4_CH1 Switch", "DL4"},
+ {"HW_SRC_2_IN_CH2", "DL4_CH2 Switch", "DL4"},
+
+ {"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH1"},
+ {"HW_SRC_1_In", NULL, "HW_SRC_1_IN_CH2"},
+
+ {"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH1"},
+ {"HW_SRC_2_In", NULL, "HW_SRC_2_IN_CH2"},
+
+ {"HW_SRC_1_In", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect},
+ {"HW_SRC_1_Out", NULL, HW_SRC_1_EN_W_NAME, mtk_afe_src_en_connect},
+ {"HW_SRC_2_In", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect},
+ {"HW_SRC_2_Out", NULL, HW_SRC_2_EN_W_NAME, mtk_afe_src_en_connect},
+
+ {"HW SRC 1 In Endpoint", NULL, "HW_SRC_1_In"},
+ {"HW SRC 2 In Endpoint", NULL, "HW_SRC_2_In"},
+ {"HW_SRC_1_Out", NULL, "HW SRC 1 Out Endpoint"},
+ {"HW_SRC_2_Out", NULL, "HW SRC 2 Out Endpoint"},
+};
+
+/* dai ops */
+static int mtk_dai_src_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ int id = dai->id;
+ struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
+ unsigned int sft, mask;
+ unsigned int rate = params_rate(params);
+ unsigned int rate_reg = mt8186_rate_transform(afe->dev, rate, id);
+
+ dev_info(afe->dev, "%s(), id %d, stream %d, rate %d\n",
+ __func__,
+ id,
+ substream->stream,
+ rate);
Fits in two lines.
+
+ /* rate */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ src_priv->dl_rate = rate;
+ if (id == MT8186_DAI_SRC_1) {
+ sft = GENERAL1_ASRCIN_MODE_SFT;
+ mask = GENERAL1_ASRCIN_MODE_MASK;
+ } else {
+ sft = GENERAL2_ASRCIN_MODE_SFT;
+ mask = GENERAL2_ASRCIN_MODE_MASK;
+ }
+ } else {
+ src_priv->ul_rate = rate;
+ if (id == MT8186_DAI_SRC_1) {
+ sft = GENERAL1_ASRCOUT_MODE_SFT;
+ mask = GENERAL1_ASRCOUT_MODE_MASK;
+ } else {
+ sft = GENERAL2_ASRCOUT_MODE_SFT;
+ mask = GENERAL2_ASRCOUT_MODE_MASK;
+ }
+ }
+
+ regmap_update_bits(afe->regmap,
+ GENERAL_ASRC_MODE,
+ mask << sft,
+ rate_reg << sft);
Fits in one line (90 col is borderline ok)
+
+ return 0;
+}
+
+static int mtk_dai_src_hw_free(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
+ struct mt8186_afe_private *afe_priv = afe->platform_priv;
+ int id = dai->id;
+ struct mtk_afe_src_priv *src_priv = afe_priv->dai_priv[id];
+
+ dev_info(afe->dev, "%s(), id %d, stream %d\n",
+ __func__,
+ id,
+ substream->stream);
dev_dbg(), fits in two lines.
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ src_priv->dl_rate = 0;
+ else
+ src_priv->ul_rate = 0;
+
+ return 0;
+}
+
Thanks,
Angelo
