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linuxdebug/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0
/*
* Mediatek ALSA SoC AFE platform driver for 2701
*
* Copyright (c) 2016 MediaTek Inc.
* Author: Garlic Tseng <garlic.tseng@mediatek.com>
* Ir Lian <ir.lian@mediatek.com>
* Ryder Lee <ryder.lee@mediatek.com>
*/
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/pm_runtime.h>
#include "mt2701-afe-common.h"
#include "mt2701-afe-clock-ctrl.h"
#include "../common/mtk-afe-platform-driver.h"
#include "../common/mtk-afe-fe-dai.h"
static const struct snd_pcm_hardware mt2701_afe_hardware = {
.info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED
| SNDRV_PCM_INFO_RESUME | SNDRV_PCM_INFO_MMAP_VALID,
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE,
.period_bytes_min = 1024,
.period_bytes_max = 1024 * 256,
.periods_min = 4,
.periods_max = 1024,
.buffer_bytes_max = 1024 * 1024,
.fifo_size = 0,
};
struct mt2701_afe_rate {
unsigned int rate;
unsigned int regvalue;
};
static const struct mt2701_afe_rate mt2701_afe_i2s_rates[] = {
{ .rate = 8000, .regvalue = 0 },
{ .rate = 12000, .regvalue = 1 },
{ .rate = 16000, .regvalue = 2 },
{ .rate = 24000, .regvalue = 3 },
{ .rate = 32000, .regvalue = 4 },
{ .rate = 48000, .regvalue = 5 },
{ .rate = 96000, .regvalue = 6 },
{ .rate = 192000, .regvalue = 7 },
{ .rate = 384000, .regvalue = 8 },
{ .rate = 7350, .regvalue = 16 },
{ .rate = 11025, .regvalue = 17 },
{ .rate = 14700, .regvalue = 18 },
{ .rate = 22050, .regvalue = 19 },
{ .rate = 29400, .regvalue = 20 },
{ .rate = 44100, .regvalue = 21 },
{ .rate = 88200, .regvalue = 22 },
{ .rate = 176400, .regvalue = 23 },
{ .rate = 352800, .regvalue = 24 },
};
static const unsigned int mt2701_afe_backup_list[] = {
AUDIO_TOP_CON0,
AUDIO_TOP_CON4,
AUDIO_TOP_CON5,
ASYS_TOP_CON,
AFE_CONN0,
AFE_CONN1,
AFE_CONN2,
AFE_CONN3,
AFE_CONN15,
AFE_CONN16,
AFE_CONN17,
AFE_CONN18,
AFE_CONN19,
AFE_CONN20,
AFE_CONN21,
AFE_CONN22,
AFE_DAC_CON0,
AFE_MEMIF_PBUF_SIZE,
};
static int mt2701_dai_num_to_i2s(struct mtk_base_afe *afe, int num)
{
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int val = num - MT2701_IO_I2S;
if (val < 0 || val >= afe_priv->soc->i2s_num) {
dev_err(afe->dev, "%s, num not available, num %d, val %d\n",
__func__, num, val);
return -EINVAL;
}
return val;
}
static int mt2701_afe_i2s_fs(unsigned int sample_rate)
{
int i;
for (i = 0; i < ARRAY_SIZE(mt2701_afe_i2s_rates); i++)
if (mt2701_afe_i2s_rates[i].rate == sample_rate)
return mt2701_afe_i2s_rates[i].regvalue;
return -EINVAL;
}
static int mt2701_afe_i2s_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
bool mode = afe_priv->soc->has_one_heart_mode;
if (i2s_num < 0)
return i2s_num;
return mt2701_afe_enable_mclk(afe, mode ? 1 : i2s_num);
}
static int mt2701_afe_i2s_path_disable(struct mtk_base_afe *afe,
struct mt2701_i2s_path *i2s_path,
int stream_dir)
{
const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
if (--i2s_path->on[stream_dir] < 0)
i2s_path->on[stream_dir] = 0;
if (i2s_path->on[stream_dir])
return 0;
/* disable i2s */
regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
ASYS_I2S_CON_I2S_EN, 0);
mt2701_afe_disable_i2s(afe, i2s_path, stream_dir);
return 0;
}
static void mt2701_afe_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
struct mt2701_i2s_path *i2s_path;
bool mode = afe_priv->soc->has_one_heart_mode;
if (i2s_num < 0)
return;
i2s_path = &afe_priv->i2s_path[i2s_num];
if (i2s_path->occupied[substream->stream])
i2s_path->occupied[substream->stream] = 0;
else
goto exit;
mt2701_afe_i2s_path_disable(afe, i2s_path, substream->stream);
/* need to disable i2s-out path when disable i2s-in */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
mt2701_afe_i2s_path_disable(afe, i2s_path, !substream->stream);
exit:
/* disable mclk */
mt2701_afe_disable_mclk(afe, mode ? 1 : i2s_num);
}
static int mt2701_i2s_path_enable(struct mtk_base_afe *afe,
struct mt2701_i2s_path *i2s_path,
int stream_dir, int rate)
{
const struct mt2701_i2s_data *i2s_data = i2s_path->i2s_data[stream_dir];
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int reg, fs, w_len = 1; /* now we support bck 64bits only */
unsigned int mask, val;
/* no need to enable if already done */
if (++i2s_path->on[stream_dir] != 1)
return 0;
fs = mt2701_afe_i2s_fs(rate);
mask = ASYS_I2S_CON_FS |
ASYS_I2S_CON_I2S_COUPLE_MODE | /* 0 */
ASYS_I2S_CON_I2S_MODE |
ASYS_I2S_CON_WIDE_MODE;
val = ASYS_I2S_CON_FS_SET(fs) |
ASYS_I2S_CON_I2S_MODE |
ASYS_I2S_CON_WIDE_MODE_SET(w_len);
if (stream_dir == SNDRV_PCM_STREAM_CAPTURE) {
mask |= ASYS_I2S_IN_PHASE_FIX;
val |= ASYS_I2S_IN_PHASE_FIX;
reg = ASMI_TIMING_CON1;
} else {
if (afe_priv->soc->has_one_heart_mode) {
mask |= ASYS_I2S_CON_ONE_HEART_MODE;
val |= ASYS_I2S_CON_ONE_HEART_MODE;
}
reg = ASMO_TIMING_CON1;
}
regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg, mask, val);
regmap_update_bits(afe->regmap, reg,
i2s_data->i2s_asrc_fs_mask
<< i2s_data->i2s_asrc_fs_shift,
fs << i2s_data->i2s_asrc_fs_shift);
/* enable i2s */
mt2701_afe_enable_i2s(afe, i2s_path, stream_dir);
/* reset i2s hw status before enable */
regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
ASYS_I2S_CON_RESET, ASYS_I2S_CON_RESET);
udelay(1);
regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
ASYS_I2S_CON_RESET, 0);
udelay(1);
regmap_update_bits(afe->regmap, i2s_data->i2s_ctrl_reg,
ASYS_I2S_CON_I2S_EN, ASYS_I2S_CON_I2S_EN);
return 0;
}
static int mt2701_afe_i2s_prepare(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int ret, i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
struct mt2701_i2s_path *i2s_path;
bool mode = afe_priv->soc->has_one_heart_mode;
if (i2s_num < 0)
return i2s_num;
i2s_path = &afe_priv->i2s_path[i2s_num];
if (i2s_path->occupied[substream->stream])
return -EBUSY;
ret = mt2701_mclk_configuration(afe, mode ? 1 : i2s_num);
if (ret)
return ret;
i2s_path->occupied[substream->stream] = 1;
/* need to enable i2s-out path when enable i2s-in */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
mt2701_i2s_path_enable(afe, i2s_path, !substream->stream,
substream->runtime->rate);
mt2701_i2s_path_enable(afe, i2s_path, substream->stream,
substream->runtime->rate);
return 0;
}
static int mt2701_afe_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
unsigned int freq, int dir)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int i2s_num = mt2701_dai_num_to_i2s(afe, dai->id);
bool mode = afe_priv->soc->has_one_heart_mode;
if (i2s_num < 0)
return i2s_num;
/* mclk */
if (dir == SND_SOC_CLOCK_IN) {
dev_warn(dai->dev, "The SoCs doesn't support mclk input\n");
return -EINVAL;
}
afe_priv->i2s_path[mode ? 1 : i2s_num].mclk_rate = freq;
return 0;
}
static int mt2701_btmrg_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
int ret;
ret = mt2701_enable_btmrg_clk(afe);
if (ret)
return ret;
afe_priv->mrg_enable[substream->stream] = 1;
return 0;
}
static int mt2701_btmrg_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);
int stream_fs;
u32 val, msk;
stream_fs = params_rate(params);
if (stream_fs != 8000 && stream_fs != 16000) {
dev_err(afe->dev, "unsupported rate %d\n", stream_fs);
return -EINVAL;
}
regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
AFE_MRGIF_CON_I2S_MODE_MASK,
AFE_MRGIF_CON_I2S_MODE_32K);
val = AFE_DAIBT_CON0_BT_FUNC_EN | AFE_DAIBT_CON0_BT_FUNC_RDY
| AFE_DAIBT_CON0_MRG_USE;
msk = val;
if (stream_fs == 16000)
val |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
msk |= AFE_DAIBT_CON0_BT_WIDE_MODE_EN;
regmap_update_bits(afe->regmap, AFE_DAIBT_CON0, msk, val);
regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
AFE_DAIBT_CON0_DAIBT_EN,
AFE_DAIBT_CON0_DAIBT_EN);
regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
AFE_MRGIF_CON_MRG_I2S_EN,
AFE_MRGIF_CON_MRG_I2S_EN);
regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
AFE_MRGIF_CON_MRG_EN,
AFE_MRGIF_CON_MRG_EN);
return 0;
}
static void mt2701_btmrg_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mt2701_afe_private *afe_priv = afe->platform_priv;
/* if the other direction stream is not occupied */
if (!afe_priv->mrg_enable[!substream->stream]) {
regmap_update_bits(afe->regmap, AFE_DAIBT_CON0,
AFE_DAIBT_CON0_DAIBT_EN, 0);
regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
AFE_MRGIF_CON_MRG_EN, 0);
regmap_update_bits(afe->regmap, AFE_MRGIF_CON,
AFE_MRGIF_CON_MRG_I2S_EN, 0);
mt2701_disable_btmrg_clk(afe);
}
afe_priv->mrg_enable[substream->stream] = 0;
}
static int mt2701_simple_fe_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mtk_base_afe_memif *memif_tmp;
int stream_dir = substream->stream;
/* can't run single DL & DLM at the same time */
if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK) {
memif_tmp = &afe->memif[MT2701_MEMIF_DLM];
if (memif_tmp->substream) {
dev_warn(afe->dev, "memif is not available");
return -EBUSY;
}
}
return mtk_afe_fe_startup(substream, dai);
}
static int mt2701_simple_fe_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);
int stream_dir = substream->stream;
/* single DL use PAIR_INTERLEAVE */
if (stream_dir == SNDRV_PCM_STREAM_PLAYBACK)
regmap_update_bits(afe->regmap,
AFE_MEMIF_PBUF_SIZE,
AFE_MEMIF_PBUF_SIZE_DLM_MASK,
AFE_MEMIF_PBUF_SIZE_PAIR_INTERLEAVE);
return mtk_afe_fe_hw_params(substream, params, dai);
}
static int mt2701_dlm_fe_startup(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mtk_base_afe_memif *memif_tmp;
const struct mtk_base_memif_data *memif_data;
int i;
for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
memif_tmp = &afe->memif[i];
if (memif_tmp->substream)
return -EBUSY;
}
/* enable agent for all signal DL (due to hw design) */
for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
memif_data = afe->memif[i].data;
regmap_update_bits(afe->regmap,
memif_data->agent_disable_reg,
1 << memif_data->agent_disable_shift,
0 << memif_data->agent_disable_shift);
}
return mtk_afe_fe_startup(substream, dai);
}
static void mt2701_dlm_fe_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
const struct mtk_base_memif_data *memif_data;
int i;
for (i = MT2701_MEMIF_DL1; i < MT2701_MEMIF_DL_SINGLE_NUM; ++i) {
memif_data = afe->memif[i].data;
regmap_update_bits(afe->regmap,
memif_data->agent_disable_reg,
1 << memif_data->agent_disable_shift,
1 << memif_data->agent_disable_shift);
}
return mtk_afe_fe_shutdown(substream, dai);
}
static int mt2701_dlm_fe_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);
int channels = params_channels(params);
regmap_update_bits(afe->regmap,
AFE_MEMIF_PBUF_SIZE,
AFE_MEMIF_PBUF_SIZE_DLM_MASK,
AFE_MEMIF_PBUF_SIZE_FULL_INTERLEAVE);
regmap_update_bits(afe->regmap,
AFE_MEMIF_PBUF_SIZE,
AFE_MEMIF_PBUF_SIZE_DLM_BYTE_MASK,
AFE_MEMIF_PBUF_SIZE_DLM_32BYTES);
regmap_update_bits(afe->regmap,
AFE_MEMIF_PBUF_SIZE,
AFE_MEMIF_PBUF_SIZE_DLM_CH_MASK,
AFE_MEMIF_PBUF_SIZE_DLM_CH(channels));
return mtk_afe_fe_hw_params(substream, params, dai);
}
static int mt2701_dlm_fe_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 mtk_base_afe_memif *memif_tmp = &afe->memif[MT2701_MEMIF_DL1];
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
1 << memif_tmp->data->enable_shift,
1 << memif_tmp->data->enable_shift);
mtk_afe_fe_trigger(substream, cmd, dai);
return 0;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
mtk_afe_fe_trigger(substream, cmd, dai);
regmap_update_bits(afe->regmap, memif_tmp->data->enable_reg,
1 << memif_tmp->data->enable_shift, 0);
return 0;
default:
return -EINVAL;
}
}
static int mt2701_memif_fs(struct snd_pcm_substream *substream,
unsigned int rate)
{
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
int fs;
if (asoc_rtd_to_cpu(rtd, 0)->id != MT2701_MEMIF_ULBT)
fs = mt2701_afe_i2s_fs(rate);
else
fs = (rate == 16000 ? 1 : 0);
return fs;
}
static int mt2701_irq_fs(struct snd_pcm_substream *substream, unsigned int rate)
{
return mt2701_afe_i2s_fs(rate);
}
/* FE DAIs */
static const struct snd_soc_dai_ops mt2701_single_memif_dai_ops = {
.startup = mt2701_simple_fe_startup,
.shutdown = mtk_afe_fe_shutdown,
.hw_params = mt2701_simple_fe_hw_params,
.hw_free = mtk_afe_fe_hw_free,
.prepare = mtk_afe_fe_prepare,
.trigger = mtk_afe_fe_trigger,
};
static const struct snd_soc_dai_ops mt2701_dlm_memif_dai_ops = {
.startup = mt2701_dlm_fe_startup,
.shutdown = mt2701_dlm_fe_shutdown,
.hw_params = mt2701_dlm_fe_hw_params,
.hw_free = mtk_afe_fe_hw_free,
.prepare = mtk_afe_fe_prepare,
.trigger = mt2701_dlm_fe_trigger,
};
/* I2S BE DAIs */
static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = {
.startup = mt2701_afe_i2s_startup,
.shutdown = mt2701_afe_i2s_shutdown,
.prepare = mt2701_afe_i2s_prepare,
.set_sysclk = mt2701_afe_i2s_set_sysclk,
};
/* MRG BE DAIs */
static const struct snd_soc_dai_ops mt2701_btmrg_ops = {
.startup = mt2701_btmrg_startup,
.shutdown = mt2701_btmrg_shutdown,
.hw_params = mt2701_btmrg_hw_params,
};
static struct snd_soc_dai_driver mt2701_afe_pcm_dais[] = {
/* FE DAIs: memory intefaces to CPU */
{
.name = "PCMO0",
.id = MT2701_MEMIF_DL1,
.playback = {
.stream_name = "DL1",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_single_memif_dai_ops,
},
{
.name = "PCM_multi",
.id = MT2701_MEMIF_DLM,
.playback = {
.stream_name = "DLM",
.channels_min = 1,
.channels_max = 8,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_dlm_memif_dai_ops,
},
{
.name = "PCM0",
.id = MT2701_MEMIF_UL1,
.capture = {
.stream_name = "UL1",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_48000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_single_memif_dai_ops,
},
{
.name = "PCM1",
.id = MT2701_MEMIF_UL2,
.capture = {
.stream_name = "UL2",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_single_memif_dai_ops,
},
{
.name = "PCM_BT_DL",
.id = MT2701_MEMIF_DLBT,
.playback = {
.stream_name = "DLBT",
.channels_min = 1,
.channels_max = 1,
.rates = (SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &mt2701_single_memif_dai_ops,
},
{
.name = "PCM_BT_UL",
.id = MT2701_MEMIF_ULBT,
.capture = {
.stream_name = "ULBT",
.channels_min = 1,
.channels_max = 1,
.rates = (SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &mt2701_single_memif_dai_ops,
},
/* BE DAIs */
{
.name = "I2S0",
.id = MT2701_IO_I2S,
.playback = {
.stream_name = "I2S0 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.capture = {
.stream_name = "I2S0 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_afe_i2s_ops,
.symmetric_rate = 1,
},
{
.name = "I2S1",
.id = MT2701_IO_2ND_I2S,
.playback = {
.stream_name = "I2S1 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.capture = {
.stream_name = "I2S1 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_afe_i2s_ops,
.symmetric_rate = 1,
},
{
.name = "I2S2",
.id = MT2701_IO_3RD_I2S,
.playback = {
.stream_name = "I2S2 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.capture = {
.stream_name = "I2S2 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_afe_i2s_ops,
.symmetric_rate = 1,
},
{
.name = "I2S3",
.id = MT2701_IO_4TH_I2S,
.playback = {
.stream_name = "I2S3 Playback",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.capture = {
.stream_name = "I2S3 Capture",
.channels_min = 1,
.channels_max = 2,
.rates = SNDRV_PCM_RATE_8000_192000,
.formats = (SNDRV_PCM_FMTBIT_S16_LE
| SNDRV_PCM_FMTBIT_S24_LE
| SNDRV_PCM_FMTBIT_S32_LE)
},
.ops = &mt2701_afe_i2s_ops,
.symmetric_rate = 1,
},
{
.name = "MRG BT",
.id = MT2701_IO_MRG,
.playback = {
.stream_name = "BT Playback",
.channels_min = 1,
.channels_max = 1,
.rates = (SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.capture = {
.stream_name = "BT Capture",
.channels_min = 1,
.channels_max = 1,
.rates = (SNDRV_PCM_RATE_8000
| SNDRV_PCM_RATE_16000),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
},
.ops = &mt2701_btmrg_ops,
.symmetric_rate = 1,
}
};
static const struct snd_kcontrol_new mt2701_afe_o00_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I00 Switch", AFE_CONN0, 0, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o01_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I01 Switch", AFE_CONN1, 1, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o02_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I02 Switch", AFE_CONN2, 2, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o03_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I03 Switch", AFE_CONN3, 3, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o14_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I26 Switch", AFE_CONN14, 26, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o15_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I12 Switch", AFE_CONN15, 12, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o16_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I13 Switch", AFE_CONN16, 13, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o17_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I14 Switch", AFE_CONN17, 14, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o18_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I15 Switch", AFE_CONN18, 15, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o19_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I16 Switch", AFE_CONN19, 16, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o20_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I17 Switch", AFE_CONN20, 17, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o21_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I18 Switch", AFE_CONN21, 18, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o22_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I19 Switch", AFE_CONN22, 19, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_o31_mix[] = {
SOC_DAPM_SINGLE_AUTODISABLE("I35 Switch", AFE_CONN41, 9, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_i02_mix[] = {
SOC_DAPM_SINGLE("I2S0 Switch", SND_SOC_NOPM, 0, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s0[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S0 Out Switch",
ASYS_I2SO1_CON, 26, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s1[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S1 Out Switch",
ASYS_I2SO2_CON, 26, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s2[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S2 Out Switch",
PWR2_TOP_CON, 17, 1, 0),
};
static const struct snd_kcontrol_new mt2701_afe_multi_ch_out_i2s3[] = {
SOC_DAPM_SINGLE_AUTODISABLE("Multich I2S3 Out Switch",
PWR2_TOP_CON, 18, 1, 0),
};
static const struct snd_soc_dapm_widget mt2701_afe_pcm_widgets[] = {
/* inter-connections */
SND_SOC_DAPM_MIXER("I00", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I01", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I02", SND_SOC_NOPM, 0, 0, mt2701_afe_i02_mix,
ARRAY_SIZE(mt2701_afe_i02_mix)),
SND_SOC_DAPM_MIXER("I03", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I12", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I13", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I14", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I15", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I16", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I17", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I18", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I19", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I26", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("I35", SND_SOC_NOPM, 0, 0, NULL, 0),
SND_SOC_DAPM_MIXER("O00", SND_SOC_NOPM, 0, 0, mt2701_afe_o00_mix,
ARRAY_SIZE(mt2701_afe_o00_mix)),
SND_SOC_DAPM_MIXER("O01", SND_SOC_NOPM, 0, 0, mt2701_afe_o01_mix,
ARRAY_SIZE(mt2701_afe_o01_mix)),
SND_SOC_DAPM_MIXER("O02", SND_SOC_NOPM, 0, 0, mt2701_afe_o02_mix,
ARRAY_SIZE(mt2701_afe_o02_mix)),
SND_SOC_DAPM_MIXER("O03", SND_SOC_NOPM, 0, 0, mt2701_afe_o03_mix,
ARRAY_SIZE(mt2701_afe_o03_mix)),
SND_SOC_DAPM_MIXER("O14", SND_SOC_NOPM, 0, 0, mt2701_afe_o14_mix,
ARRAY_SIZE(mt2701_afe_o14_mix)),
SND_SOC_DAPM_MIXER("O15", SND_SOC_NOPM, 0, 0, mt2701_afe_o15_mix,
ARRAY_SIZE(mt2701_afe_o15_mix)),
SND_SOC_DAPM_MIXER("O16", SND_SOC_NOPM, 0, 0, mt2701_afe_o16_mix,
ARRAY_SIZE(mt2701_afe_o16_mix)),
SND_SOC_DAPM_MIXER("O17", SND_SOC_NOPM, 0, 0, mt2701_afe_o17_mix,
ARRAY_SIZE(mt2701_afe_o17_mix)),
SND_SOC_DAPM_MIXER("O18", SND_SOC_NOPM, 0, 0, mt2701_afe_o18_mix,
ARRAY_SIZE(mt2701_afe_o18_mix)),
SND_SOC_DAPM_MIXER("O19", SND_SOC_NOPM, 0, 0, mt2701_afe_o19_mix,
ARRAY_SIZE(mt2701_afe_o19_mix)),
SND_SOC_DAPM_MIXER("O20", SND_SOC_NOPM, 0, 0, mt2701_afe_o20_mix,
ARRAY_SIZE(mt2701_afe_o20_mix)),
SND_SOC_DAPM_MIXER("O21", SND_SOC_NOPM, 0, 0, mt2701_afe_o21_mix,
ARRAY_SIZE(mt2701_afe_o21_mix)),
SND_SOC_DAPM_MIXER("O22", SND_SOC_NOPM, 0, 0, mt2701_afe_o22_mix,
ARRAY_SIZE(mt2701_afe_o22_mix)),
SND_SOC_DAPM_MIXER("O31", SND_SOC_NOPM, 0, 0, mt2701_afe_o31_mix,
ARRAY_SIZE(mt2701_afe_o31_mix)),
SND_SOC_DAPM_MIXER("I12I13", SND_SOC_NOPM, 0, 0,
mt2701_afe_multi_ch_out_i2s0,
ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s0)),
SND_SOC_DAPM_MIXER("I14I15", SND_SOC_NOPM, 0, 0,
mt2701_afe_multi_ch_out_i2s1,
ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s1)),
SND_SOC_DAPM_MIXER("I16I17", SND_SOC_NOPM, 0, 0,
mt2701_afe_multi_ch_out_i2s2,
ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s2)),
SND_SOC_DAPM_MIXER("I18I19", SND_SOC_NOPM, 0, 0,
mt2701_afe_multi_ch_out_i2s3,
ARRAY_SIZE(mt2701_afe_multi_ch_out_i2s3)),
};
static const struct snd_soc_dapm_route mt2701_afe_pcm_routes[] = {
{"I12", NULL, "DL1"},
{"I13", NULL, "DL1"},
{"I35", NULL, "DLBT"},
{"I2S0 Playback", NULL, "O15"},
{"I2S0 Playback", NULL, "O16"},
{"I2S1 Playback", NULL, "O17"},
{"I2S1 Playback", NULL, "O18"},
{"I2S2 Playback", NULL, "O19"},
{"I2S2 Playback", NULL, "O20"},
{"I2S3 Playback", NULL, "O21"},
{"I2S3 Playback", NULL, "O22"},
{"BT Playback", NULL, "O31"},
{"UL1", NULL, "O00"},
{"UL1", NULL, "O01"},
{"UL2", NULL, "O02"},
{"UL2", NULL, "O03"},
{"ULBT", NULL, "O14"},
{"I00", NULL, "I2S0 Capture"},
{"I01", NULL, "I2S0 Capture"},
{"I02", NULL, "I2S1 Capture"},
{"I03", NULL, "I2S1 Capture"},
/* I02,03 link to UL2, also need to open I2S0 */
{"I02", "I2S0 Switch", "I2S0 Capture"},
{"I26", NULL, "BT Capture"},
{"I12I13", "Multich I2S0 Out Switch", "DLM"},
{"I14I15", "Multich I2S1 Out Switch", "DLM"},
{"I16I17", "Multich I2S2 Out Switch", "DLM"},
{"I18I19", "Multich I2S3 Out Switch", "DLM"},
{ "I12", NULL, "I12I13" },
{ "I13", NULL, "I12I13" },
{ "I14", NULL, "I14I15" },
{ "I15", NULL, "I14I15" },
{ "I16", NULL, "I16I17" },
{ "I17", NULL, "I16I17" },
{ "I18", NULL, "I18I19" },
{ "I19", NULL, "I18I19" },
{ "O00", "I00 Switch", "I00" },
{ "O01", "I01 Switch", "I01" },
{ "O02", "I02 Switch", "I02" },
{ "O03", "I03 Switch", "I03" },
{ "O14", "I26 Switch", "I26" },
{ "O15", "I12 Switch", "I12" },
{ "O16", "I13 Switch", "I13" },
{ "O17", "I14 Switch", "I14" },
{ "O18", "I15 Switch", "I15" },
{ "O19", "I16 Switch", "I16" },
{ "O20", "I17 Switch", "I17" },
{ "O21", "I18 Switch", "I18" },
{ "O22", "I19 Switch", "I19" },
{ "O31", "I35 Switch", "I35" },
};
static int mt2701_afe_pcm_probe(struct snd_soc_component *component)
{
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(component);
snd_soc_component_init_regmap(component, afe->regmap);
return 0;
}
static const struct snd_soc_component_driver mt2701_afe_pcm_dai_component = {
.probe = mt2701_afe_pcm_probe,
.name = "mt2701-afe-pcm-dai",
.dapm_widgets = mt2701_afe_pcm_widgets,
.num_dapm_widgets = ARRAY_SIZE(mt2701_afe_pcm_widgets),
.dapm_routes = mt2701_afe_pcm_routes,
.num_dapm_routes = ARRAY_SIZE(mt2701_afe_pcm_routes),
.suspend = mtk_afe_suspend,
.resume = mtk_afe_resume,
};
static const struct mtk_base_memif_data memif_data_array[MT2701_MEMIF_NUM] = {
{
.name = "DL1",
.id = MT2701_MEMIF_DL1,
.reg_ofs_base = AFE_DL1_BASE,
.reg_ofs_cur = AFE_DL1_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 0,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 16,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 1,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 0,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 6,
.msb_reg = -1,
},
{
.name = "DL2",
.id = MT2701_MEMIF_DL2,
.reg_ofs_base = AFE_DL2_BASE,
.reg_ofs_cur = AFE_DL2_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 5,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 17,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 2,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 2,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 7,
.msb_reg = -1,
},
{
.name = "DL3",
.id = MT2701_MEMIF_DL3,
.reg_ofs_base = AFE_DL3_BASE,
.reg_ofs_cur = AFE_DL3_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 10,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 18,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 3,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 4,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 8,
.msb_reg = -1,
},
{
.name = "DL4",
.id = MT2701_MEMIF_DL4,
.reg_ofs_base = AFE_DL4_BASE,
.reg_ofs_cur = AFE_DL4_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 15,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 19,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 4,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 6,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 9,
.msb_reg = -1,
},
{
.name = "DL5",
.id = MT2701_MEMIF_DL5,
.reg_ofs_base = AFE_DL5_BASE,
.reg_ofs_cur = AFE_DL5_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 20,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 20,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 5,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 8,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 10,
.msb_reg = -1,
},
{
.name = "DLM",
.id = MT2701_MEMIF_DLM,
.reg_ofs_base = AFE_DLMCH_BASE,
.reg_ofs_cur = AFE_DLMCH_CUR,
.fs_reg = AFE_DAC_CON1,
.fs_shift = 0,
.fs_maskbit = 0x1f,
.mono_reg = -1,
.mono_shift = -1,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 7,
.hd_reg = AFE_MEMIF_PBUF_SIZE,
.hd_shift = 28,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 12,
.msb_reg = -1,
},
{
.name = "UL1",
.id = MT2701_MEMIF_UL1,
.reg_ofs_base = AFE_VUL_BASE,
.reg_ofs_cur = AFE_VUL_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 0,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON4,
.mono_shift = 0,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 10,
.hd_reg = AFE_MEMIF_HD_CON1,
.hd_shift = 0,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 0,
.msb_reg = -1,
},
{
.name = "UL2",
.id = MT2701_MEMIF_UL2,
.reg_ofs_base = AFE_UL2_BASE,
.reg_ofs_cur = AFE_UL2_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 5,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON4,
.mono_shift = 2,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 11,
.hd_reg = AFE_MEMIF_HD_CON1,
.hd_shift = 2,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 1,
.msb_reg = -1,
},
{
.name = "UL3",
.id = MT2701_MEMIF_UL3,
.reg_ofs_base = AFE_UL3_BASE,
.reg_ofs_cur = AFE_UL3_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 10,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON4,
.mono_shift = 4,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 12,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 0,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 2,
.msb_reg = -1,
},
{
.name = "UL4",
.id = MT2701_MEMIF_UL4,
.reg_ofs_base = AFE_UL4_BASE,
.reg_ofs_cur = AFE_UL4_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 15,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON4,
.mono_shift = 6,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 13,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 6,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 3,
.msb_reg = -1,
},
{
.name = "UL5",
.id = MT2701_MEMIF_UL5,
.reg_ofs_base = AFE_UL5_BASE,
.reg_ofs_cur = AFE_UL5_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 20,
.mono_reg = AFE_DAC_CON4,
.mono_shift = 8,
.fs_maskbit = 0x1f,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 14,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 8,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 4,
.msb_reg = -1,
},
{
.name = "DLBT",
.id = MT2701_MEMIF_DLBT,
.reg_ofs_base = AFE_ARB1_BASE,
.reg_ofs_cur = AFE_ARB1_CUR,
.fs_reg = AFE_DAC_CON3,
.fs_shift = 10,
.fs_maskbit = 0x1f,
.mono_reg = AFE_DAC_CON3,
.mono_shift = 22,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 8,
.hd_reg = AFE_MEMIF_HD_CON0,
.hd_shift = 14,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 13,
.msb_reg = -1,
},
{
.name = "ULBT",
.id = MT2701_MEMIF_ULBT,
.reg_ofs_base = AFE_DAI_BASE,
.reg_ofs_cur = AFE_DAI_CUR,
.fs_reg = AFE_DAC_CON2,
.fs_shift = 30,
.fs_maskbit = 0x1,
.mono_reg = -1,
.mono_shift = -1,
.enable_reg = AFE_DAC_CON0,
.enable_shift = 17,
.hd_reg = AFE_MEMIF_HD_CON1,
.hd_shift = 20,
.agent_disable_reg = AUDIO_TOP_CON5,
.agent_disable_shift = 16,
.msb_reg = -1,
},
};
static const struct mtk_base_irq_data irq_data[MT2701_IRQ_ASYS_END] = {
{
.id = MT2701_IRQ_ASYS_IRQ1,
.irq_cnt_reg = ASYS_IRQ1_CON,
.irq_cnt_shift = 0,
.irq_cnt_maskbit = 0xffffff,
.irq_fs_reg = ASYS_IRQ1_CON,
.irq_fs_shift = 24,
.irq_fs_maskbit = 0x1f,
.irq_en_reg = ASYS_IRQ1_CON,
.irq_en_shift = 31,
.irq_clr_reg = ASYS_IRQ_CLR,
.irq_clr_shift = 0,
},
{
.id = MT2701_IRQ_ASYS_IRQ2,
.irq_cnt_reg = ASYS_IRQ2_CON,
.irq_cnt_shift = 0,
.irq_cnt_maskbit = 0xffffff,
.irq_fs_reg = ASYS_IRQ2_CON,
.irq_fs_shift = 24,
.irq_fs_maskbit = 0x1f,
.irq_en_reg = ASYS_IRQ2_CON,
.irq_en_shift = 31,
.irq_clr_reg = ASYS_IRQ_CLR,
.irq_clr_shift = 1,
},
{
.id = MT2701_IRQ_ASYS_IRQ3,
.irq_cnt_reg = ASYS_IRQ3_CON,
.irq_cnt_shift = 0,
.irq_cnt_maskbit = 0xffffff,
.irq_fs_reg = ASYS_IRQ3_CON,
.irq_fs_shift = 24,
.irq_fs_maskbit = 0x1f,
.irq_en_reg = ASYS_IRQ3_CON,
.irq_en_shift = 31,
.irq_clr_reg = ASYS_IRQ_CLR,
.irq_clr_shift = 2,
}
};
static const struct mt2701_i2s_data mt2701_i2s_data[][2] = {
{
{ ASYS_I2SO1_CON, 0, 0x1f },
{ ASYS_I2SIN1_CON, 0, 0x1f },
},
{
{ ASYS_I2SO2_CON, 5, 0x1f },
{ ASYS_I2SIN2_CON, 5, 0x1f },
},
{
{ ASYS_I2SO3_CON, 10, 0x1f },
{ ASYS_I2SIN3_CON, 10, 0x1f },
},
{
{ ASYS_I2SO4_CON, 15, 0x1f },
{ ASYS_I2SIN4_CON, 15, 0x1f },
},
/* TODO - extend control registers supported by newer SoCs */
};
static irqreturn_t mt2701_asys_isr(int irq_id, void *dev)
{
int id;
struct mtk_base_afe *afe = dev;
struct mtk_base_afe_memif *memif;
struct mtk_base_afe_irq *irq;
u32 status;
regmap_read(afe->regmap, ASYS_IRQ_STATUS, &status);
regmap_write(afe->regmap, ASYS_IRQ_CLR, status);
for (id = 0; id < MT2701_MEMIF_NUM; ++id) {
memif = &afe->memif[id];
if (memif->irq_usage < 0)
continue;
irq = &afe->irqs[memif->irq_usage];
if (status & 1 << irq->irq_data->irq_clr_shift)
snd_pcm_period_elapsed(memif->substream);
}
return IRQ_HANDLED;
}
static int mt2701_afe_runtime_suspend(struct device *dev)
{
struct mtk_base_afe *afe = dev_get_drvdata(dev);
return mt2701_afe_disable_clock(afe);
}
static int mt2701_afe_runtime_resume(struct device *dev)
{
struct mtk_base_afe *afe = dev_get_drvdata(dev);
return mt2701_afe_enable_clock(afe);
}
static int mt2701_afe_pcm_dev_probe(struct platform_device *pdev)
{
struct mtk_base_afe *afe;
struct mt2701_afe_private *afe_priv;
struct device *dev;
int i, irq_id, ret;
afe = devm_kzalloc(&pdev->dev, sizeof(*afe), GFP_KERNEL);
if (!afe)
return -ENOMEM;
afe->platform_priv = devm_kzalloc(&pdev->dev, sizeof(*afe_priv),
GFP_KERNEL);
if (!afe->platform_priv)
return -ENOMEM;
afe_priv = afe->platform_priv;
afe_priv->soc = of_device_get_match_data(&pdev->dev);
afe->dev = &pdev->dev;
dev = afe->dev;
afe_priv->i2s_path = devm_kcalloc(dev,
afe_priv->soc->i2s_num,
sizeof(struct mt2701_i2s_path),
GFP_KERNEL);
if (!afe_priv->i2s_path)
return -ENOMEM;
irq_id = platform_get_irq_byname(pdev, "asys");
if (irq_id < 0)
return irq_id;
ret = devm_request_irq(dev, irq_id, mt2701_asys_isr,
IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);
if (ret) {
dev_err(dev, "could not request_irq for asys-isr\n");
return ret;
}
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");
return PTR_ERR(afe->regmap);
}
mutex_init(&afe->irq_alloc_lock);
/* memif initialize */
afe->memif_size = MT2701_MEMIF_NUM;
afe->memif = devm_kcalloc(dev, afe->memif_size, sizeof(*afe->memif),
GFP_KERNEL);
if (!afe->memif)
return -ENOMEM;
for (i = 0; i < afe->memif_size; i++) {
afe->memif[i].data = &memif_data_array[i];
afe->memif[i].irq_usage = -1;
}
/* irq initialize */
afe->irqs_size = MT2701_IRQ_ASYS_END;
afe->irqs = devm_kcalloc(dev, afe->irqs_size, sizeof(*afe->irqs),
GFP_KERNEL);
if (!afe->irqs)
return -ENOMEM;
for (i = 0; i < afe->irqs_size; i++)
afe->irqs[i].irq_data = &irq_data[i];
/* I2S initialize */
for (i = 0; i < afe_priv->soc->i2s_num; i++) {
afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_PLAYBACK] =
&mt2701_i2s_data[i][SNDRV_PCM_STREAM_PLAYBACK];
afe_priv->i2s_path[i].i2s_data[SNDRV_PCM_STREAM_CAPTURE] =
&mt2701_i2s_data[i][SNDRV_PCM_STREAM_CAPTURE];
}
afe->mtk_afe_hardware = &mt2701_afe_hardware;
afe->memif_fs = mt2701_memif_fs;
afe->irq_fs = mt2701_irq_fs;
afe->reg_back_up_list = mt2701_afe_backup_list;
afe->reg_back_up_list_num = ARRAY_SIZE(mt2701_afe_backup_list);
afe->runtime_resume = mt2701_afe_runtime_resume;
afe->runtime_suspend = mt2701_afe_runtime_suspend;
/* initial audio related clock */
ret = mt2701_init_clock(afe);
if (ret) {
dev_err(dev, "init clock error\n");
return ret;
}
platform_set_drvdata(pdev, afe);
pm_runtime_enable(dev);
if (!pm_runtime_enabled(dev)) {
ret = mt2701_afe_runtime_resume(dev);
if (ret)
goto err_pm_disable;
}
pm_runtime_get_sync(dev);
ret = devm_snd_soc_register_component(&pdev->dev, &mtk_afe_pcm_platform,
NULL, 0);
if (ret) {
dev_warn(dev, "err_platform\n");
goto err_platform;
}
ret = devm_snd_soc_register_component(&pdev->dev,
&mt2701_afe_pcm_dai_component,
mt2701_afe_pcm_dais,
ARRAY_SIZE(mt2701_afe_pcm_dais));
if (ret) {
dev_warn(dev, "err_dai_component\n");
goto err_platform;
}
return 0;
err_platform:
pm_runtime_put_sync(dev);
err_pm_disable:
pm_runtime_disable(dev);
return ret;
}
static int mt2701_afe_pcm_dev_remove(struct platform_device *pdev)
{
pm_runtime_put_sync(&pdev->dev);
pm_runtime_disable(&pdev->dev);
if (!pm_runtime_status_suspended(&pdev->dev))
mt2701_afe_runtime_suspend(&pdev->dev);
return 0;
}
static const struct mt2701_soc_variants mt2701_soc_v1 = {
.i2s_num = 4,
};
static const struct mt2701_soc_variants mt2701_soc_v2 = {
.has_one_heart_mode = true,
.i2s_num = 4,
};
static const struct of_device_id mt2701_afe_pcm_dt_match[] = {
{ .compatible = "mediatek,mt2701-audio", .data = &mt2701_soc_v1 },
{ .compatible = "mediatek,mt7622-audio", .data = &mt2701_soc_v2 },
{},
};
MODULE_DEVICE_TABLE(of, mt2701_afe_pcm_dt_match);
static const struct dev_pm_ops mt2701_afe_pm_ops = {
SET_RUNTIME_PM_OPS(mt2701_afe_runtime_suspend,
mt2701_afe_runtime_resume, NULL)
};
static struct platform_driver mt2701_afe_pcm_driver = {
.driver = {
.name = "mt2701-audio",
.of_match_table = mt2701_afe_pcm_dt_match,
.pm = &mt2701_afe_pm_ops,
},
.probe = mt2701_afe_pcm_dev_probe,
.remove = mt2701_afe_pcm_dev_remove,
};
module_platform_driver(mt2701_afe_pcm_driver);
MODULE_DESCRIPTION("Mediatek ALSA SoC AFE platform driver for 2701");
MODULE_AUTHOR("Garlic Tseng <garlic.tseng@mediatek.com>");
MODULE_LICENSE("GPL v2");